From f844a0ead401c3ce0f01a8bb4d6cea2f0f6ad863 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Fri, 13 May 2011 01:00:03 -0700 Subject: bna: Move the Brocade driver Moves the Brocade driver into drivers/net/ethernet/brocade/ and make the necessary Kconfig and Makefile changes. CC: Rasesh Mody CC: Debashis Dutt Signed-off-by: Jeff Kirsher --- drivers/net/Kconfig | 14 - drivers/net/Makefile | 1 - drivers/net/bna/Makefile | 11 - drivers/net/bna/bfa_cee.c | 304 -- drivers/net/bna/bfa_cee.h | 63 - drivers/net/bna/bfa_cs.h | 140 - drivers/net/bna/bfa_defs.h | 246 -- drivers/net/bna/bfa_defs_cna.h | 223 -- drivers/net/bna/bfa_defs_mfg_comm.h | 222 -- drivers/net/bna/bfa_defs_status.h | 216 - drivers/net/bna/bfa_ioc.c | 2326 ----------- drivers/net/bna/bfa_ioc.h | 315 -- drivers/net/bna/bfa_ioc_ct.c | 512 --- drivers/net/bna/bfi.h | 400 -- drivers/net/bna/bfi_cna.h | 199 - drivers/net/bna/bfi_ll.h | 438 -- drivers/net/bna/bfi_reg.h | 452 --- drivers/net/bna/bna.h | 548 --- drivers/net/bna/bna_ctrl.c | 3076 -------------- drivers/net/bna/bna_hw.h | 1492 ------- drivers/net/bna/bna_txrx.c | 4185 -------------------- drivers/net/bna/bna_types.h | 1127 ------ drivers/net/bna/bnad.c | 3266 --------------- drivers/net/bna/bnad.h | 341 -- drivers/net/bna/bnad_ethtool.c | 895 ----- drivers/net/bna/cna.h | 80 - drivers/net/bna/cna_fwimg.c | 64 - drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/brocade/Kconfig | 22 + drivers/net/ethernet/brocade/Makefile | 5 + drivers/net/ethernet/brocade/bna/Kconfig | 17 + drivers/net/ethernet/brocade/bna/Makefile | 11 + drivers/net/ethernet/brocade/bna/bfa_cee.c | 304 ++ drivers/net/ethernet/brocade/bna/bfa_cee.h | 63 + drivers/net/ethernet/brocade/bna/bfa_cs.h | 140 + drivers/net/ethernet/brocade/bna/bfa_defs.h | 246 ++ drivers/net/ethernet/brocade/bna/bfa_defs_cna.h | 223 ++ .../net/ethernet/brocade/bna/bfa_defs_mfg_comm.h | 222 ++ drivers/net/ethernet/brocade/bna/bfa_defs_status.h | 216 + drivers/net/ethernet/brocade/bna/bfa_ioc.c | 2326 +++++++++++ drivers/net/ethernet/brocade/bna/bfa_ioc.h | 315 ++ drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c | 512 +++ drivers/net/ethernet/brocade/bna/bfi.h | 400 ++ drivers/net/ethernet/brocade/bna/bfi_cna.h | 199 + drivers/net/ethernet/brocade/bna/bfi_ll.h | 438 ++ drivers/net/ethernet/brocade/bna/bfi_reg.h | 452 +++ drivers/net/ethernet/brocade/bna/bna.h | 548 +++ drivers/net/ethernet/brocade/bna/bna_ctrl.c | 3076 ++++++++++++++ drivers/net/ethernet/brocade/bna/bna_hw.h | 1492 +++++++ drivers/net/ethernet/brocade/bna/bna_txrx.c | 4185 ++++++++++++++++++++ drivers/net/ethernet/brocade/bna/bna_types.h | 1127 ++++++ drivers/net/ethernet/brocade/bna/bnad.c | 3266 +++++++++++++++ drivers/net/ethernet/brocade/bna/bnad.h | 341 ++ drivers/net/ethernet/brocade/bna/bnad_ethtool.c | 895 +++++ drivers/net/ethernet/brocade/bna/cna.h | 80 + drivers/net/ethernet/brocade/bna/cna_fwimg.c | 64 + 57 files changed, 21187 insertions(+), 21156 deletions(-) delete mode 100644 drivers/net/bna/Makefile delete mode 100644 drivers/net/bna/bfa_cee.c delete mode 100644 drivers/net/bna/bfa_cee.h delete mode 100644 drivers/net/bna/bfa_cs.h delete mode 100644 drivers/net/bna/bfa_defs.h delete mode 100644 drivers/net/bna/bfa_defs_cna.h delete mode 100644 drivers/net/bna/bfa_defs_mfg_comm.h delete mode 100644 drivers/net/bna/bfa_defs_status.h delete mode 100644 drivers/net/bna/bfa_ioc.c delete mode 100644 drivers/net/bna/bfa_ioc.h delete mode 100644 drivers/net/bna/bfa_ioc_ct.c delete mode 100644 drivers/net/bna/bfi.h delete mode 100644 drivers/net/bna/bfi_cna.h delete mode 100644 drivers/net/bna/bfi_ll.h delete mode 100644 drivers/net/bna/bfi_reg.h delete mode 100644 drivers/net/bna/bna.h delete mode 100644 drivers/net/bna/bna_ctrl.c delete mode 100644 drivers/net/bna/bna_hw.h delete mode 100644 drivers/net/bna/bna_txrx.c delete mode 100644 drivers/net/bna/bna_types.h delete mode 100644 drivers/net/bna/bnad.c delete mode 100644 drivers/net/bna/bnad.h delete mode 100644 drivers/net/bna/bnad_ethtool.c delete mode 100644 drivers/net/bna/cna.h delete mode 100644 drivers/net/bna/cna_fwimg.c create mode 100644 drivers/net/ethernet/brocade/Kconfig create mode 100644 drivers/net/ethernet/brocade/Makefile create mode 100644 drivers/net/ethernet/brocade/bna/Kconfig create mode 100644 drivers/net/ethernet/brocade/bna/Makefile create mode 100644 drivers/net/ethernet/brocade/bna/bfa_cee.c create mode 100644 drivers/net/ethernet/brocade/bna/bfa_cee.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_cs.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_defs.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_defs_cna.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_defs_status.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_ioc.c create mode 100644 drivers/net/ethernet/brocade/bna/bfa_ioc.h create mode 100644 drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c create mode 100644 drivers/net/ethernet/brocade/bna/bfi.h create mode 100644 drivers/net/ethernet/brocade/bna/bfi_cna.h create mode 100644 drivers/net/ethernet/brocade/bna/bfi_ll.h create mode 100644 drivers/net/ethernet/brocade/bna/bfi_reg.h create mode 100644 drivers/net/ethernet/brocade/bna/bna.h create mode 100644 drivers/net/ethernet/brocade/bna/bna_ctrl.c create mode 100644 drivers/net/ethernet/brocade/bna/bna_hw.h create mode 100644 drivers/net/ethernet/brocade/bna/bna_txrx.c create mode 100644 drivers/net/ethernet/brocade/bna/bna_types.h create mode 100644 drivers/net/ethernet/brocade/bna/bnad.c create mode 100644 drivers/net/ethernet/brocade/bna/bnad.h create mode 100644 drivers/net/ethernet/brocade/bna/bnad_ethtool.c create mode 100644 drivers/net/ethernet/brocade/bna/cna.h create mode 100644 drivers/net/ethernet/brocade/bna/cna_fwimg.c (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index db03c21af203..2701ee9190a1 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1584,20 +1584,6 @@ config TEHUTI help Tehuti Networks 10G Ethernet NIC -config BNA - tristate "Brocade 1010/1020 10Gb Ethernet Driver support" - depends on PCI - ---help--- - This driver supports Brocade 1010/1020 10Gb CEE capable Ethernet - cards. - To compile this driver as a module, choose M here: the module - will be called bna. - - For general information and support, go to the Brocade support - website at: - - - endif # NETDEV_10000 source "drivers/net/tokenring/Kconfig" diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 39b04e071af0..c8a176f585a3 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -25,7 +25,6 @@ obj-$(CONFIG_TEHUTI) += tehuti.o obj-$(CONFIG_ENIC) += enic/ obj-$(CONFIG_JME) += jme.o obj-$(CONFIG_VMXNET3) += vmxnet3/ -obj-$(CONFIG_BNA) += bna/ gianfar_driver-objs := gianfar.o \ gianfar_ethtool.o \ diff --git a/drivers/net/bna/Makefile b/drivers/net/bna/Makefile deleted file mode 100644 index a5d604de7fea..000000000000 --- a/drivers/net/bna/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Copyright (c) 2005-2010 Brocade Communications Systems, Inc. -# All rights reserved. -# - -obj-$(CONFIG_BNA) += bna.o - -bna-objs := bnad.o bnad_ethtool.o bna_ctrl.o bna_txrx.o -bna-objs += bfa_ioc.o bfa_ioc_ct.o bfa_cee.o cna_fwimg.o - -EXTRA_CFLAGS := -Idrivers/net/bna diff --git a/drivers/net/bna/bfa_cee.c b/drivers/net/bna/bfa_cee.c deleted file mode 100644 index 39e5ab9fde59..000000000000 --- a/drivers/net/bna/bfa_cee.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#include "bfa_defs_cna.h" -#include "cna.h" -#include "bfa_cee.h" -#include "bfi_cna.h" -#include "bfa_ioc.h" - -#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) -#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc) - -static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg); -static void bfa_cee_format_cee_cfg(void *buffer); - -static void -bfa_cee_format_cee_cfg(void *buffer) -{ - struct bfa_cee_attr *cee_cfg = buffer; - bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote); -} - -static void -bfa_cee_stats_swap(struct bfa_cee_stats *stats) -{ - u32 *buffer = (u32 *)stats; - int i; - - for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32)); - i++) { - buffer[i] = ntohl(buffer[i]); - } -} - -static void -bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg) -{ - lldp_cfg->time_to_live = - ntohs(lldp_cfg->time_to_live); - lldp_cfg->enabled_system_cap = - ntohs(lldp_cfg->enabled_system_cap); -} - -/** - * bfa_cee_attr_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE attributes - * - * @param[in] void - * - * @return Size of DMA region - */ -static u32 -bfa_cee_attr_meminfo(void) -{ - return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ); -} -/** - * bfa_cee_stats_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE stats - * - * @param[in] void - * - * @return Size of DMA region - */ -static u32 -bfa_cee_stats_meminfo(void) -{ - return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ); -} - -/** - * bfa_cee_get_attr_isr() - * - * @brief CEE ISR for get-attributes responses from f/w - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status) -{ - cee->get_attr_status = status; - if (status == BFA_STATUS_OK) { - memcpy(cee->attr, cee->attr_dma.kva, - sizeof(struct bfa_cee_attr)); - bfa_cee_format_cee_cfg(cee->attr); - } - cee->get_attr_pending = false; - if (cee->cbfn.get_attr_cbfn) - cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); -} - -/** - * bfa_cee_get_attr_isr() - * - * @brief CEE ISR for get-stats responses from f/w - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status) -{ - cee->get_stats_status = status; - if (status == BFA_STATUS_OK) { - memcpy(cee->stats, cee->stats_dma.kva, - sizeof(struct bfa_cee_stats)); - bfa_cee_stats_swap(cee->stats); - } - cee->get_stats_pending = false; - if (cee->cbfn.get_stats_cbfn) - cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); -} - -/** - * bfa_cee_get_attr_isr() - * - * @brief CEE ISR for reset-stats responses from f/w - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status) -{ - cee->reset_stats_status = status; - cee->reset_stats_pending = false; - if (cee->cbfn.reset_stats_cbfn) - cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); -} -/** - * bfa_nw_cee_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE module - * - * @param[in] void - * - * @return Size of DMA region - */ -u32 -bfa_nw_cee_meminfo(void) -{ - return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo(); -} - -/** - * bfa_nw_cee_mem_claim() - * - * @brief Initialized CEE DMA Memory - * - * @param[in] cee CEE module pointer - * dma_kva Kernel Virtual Address of CEE DMA Memory - * dma_pa Physical Address of CEE DMA Memory - * - * @return void - */ -void -bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa) -{ - cee->attr_dma.kva = dma_kva; - cee->attr_dma.pa = dma_pa; - cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo(); - cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo(); - cee->attr = (struct bfa_cee_attr *) dma_kva; - cee->stats = (struct bfa_cee_stats *) - (dma_kva + bfa_cee_attr_meminfo()); -} - -/** - * bfa_cee_isrs() - * - * @brief Handles Mail-box interrupts for CEE module. - * - * @param[in] Pointer to the CEE module data structure. - * - * @return void - */ - -static void -bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m) -{ - union bfi_cee_i2h_msg_u *msg; - struct bfi_cee_get_rsp *get_rsp; - struct bfa_cee *cee = (struct bfa_cee *) cbarg; - msg = (union bfi_cee_i2h_msg_u *) m; - get_rsp = (struct bfi_cee_get_rsp *) m; - switch (msg->mh.msg_id) { - case BFI_CEE_I2H_GET_CFG_RSP: - bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); - break; - case BFI_CEE_I2H_GET_STATS_RSP: - bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); - break; - case BFI_CEE_I2H_RESET_STATS_RSP: - bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); - break; - default: - BUG_ON(1); - } -} - -/** - * bfa_cee_notify() - * - * @brief CEE module heart-beat failure handler. - * @brief CEE module IOC event handler. - * - * @param[in] IOC event type - * - * @return void - */ - -static void -bfa_cee_notify(void *arg, enum bfa_ioc_event event) -{ - struct bfa_cee *cee; - cee = (struct bfa_cee *) arg; - - switch (event) { - case BFA_IOC_E_DISABLED: - case BFA_IOC_E_FAILED: - if (cee->get_attr_pending == true) { - cee->get_attr_status = BFA_STATUS_FAILED; - cee->get_attr_pending = false; - if (cee->cbfn.get_attr_cbfn) { - cee->cbfn.get_attr_cbfn( - cee->cbfn.get_attr_cbarg, - BFA_STATUS_FAILED); - } - } - if (cee->get_stats_pending == true) { - cee->get_stats_status = BFA_STATUS_FAILED; - cee->get_stats_pending = false; - if (cee->cbfn.get_stats_cbfn) { - cee->cbfn.get_stats_cbfn( - cee->cbfn.get_stats_cbarg, - BFA_STATUS_FAILED); - } - } - if (cee->reset_stats_pending == true) { - cee->reset_stats_status = BFA_STATUS_FAILED; - cee->reset_stats_pending = false; - if (cee->cbfn.reset_stats_cbfn) { - cee->cbfn.reset_stats_cbfn( - cee->cbfn.reset_stats_cbarg, - BFA_STATUS_FAILED); - } - } - break; - - default: - break; - } -} - -/** - * bfa_nw_cee_attach() - * - * @brief CEE module-attach API - * - * @param[in] cee - Pointer to the CEE module data structure - * ioc - Pointer to the ioc module data structure - * dev - Pointer to the device driver module data structure - * The device driver specific mbox ISR functions have - * this pointer as one of the parameters. - * - * @return void - */ -void -bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, - void *dev) -{ - BUG_ON(!(cee != NULL)); - cee->dev = dev; - cee->ioc = ioc; - - bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); - bfa_q_qe_init(&cee->ioc_notify); - bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee); - bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify); -} diff --git a/drivers/net/bna/bfa_cee.h b/drivers/net/bna/bfa_cee.h deleted file mode 100644 index 58d54e98d595..000000000000 --- a/drivers/net/bna/bfa_cee.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __BFA_CEE_H__ -#define __BFA_CEE_H__ - -#include "bfa_defs_cna.h" -#include "bfa_ioc.h" - -typedef void (*bfa_cee_get_attr_cbfn_t) (void *dev, enum bfa_status status); -typedef void (*bfa_cee_get_stats_cbfn_t) (void *dev, enum bfa_status status); -typedef void (*bfa_cee_reset_stats_cbfn_t) (void *dev, enum bfa_status status); - -struct bfa_cee_cbfn { - bfa_cee_get_attr_cbfn_t get_attr_cbfn; - void *get_attr_cbarg; - bfa_cee_get_stats_cbfn_t get_stats_cbfn; - void *get_stats_cbarg; - bfa_cee_reset_stats_cbfn_t reset_stats_cbfn; - void *reset_stats_cbarg; -}; - -struct bfa_cee { - void *dev; - bool get_attr_pending; - bool get_stats_pending; - bool reset_stats_pending; - enum bfa_status get_attr_status; - enum bfa_status get_stats_status; - enum bfa_status reset_stats_status; - struct bfa_cee_cbfn cbfn; - struct bfa_ioc_notify ioc_notify; - struct bfa_cee_attr *attr; - struct bfa_cee_stats *stats; - struct bfa_dma attr_dma; - struct bfa_dma stats_dma; - struct bfa_ioc *ioc; - struct bfa_mbox_cmd get_cfg_mb; - struct bfa_mbox_cmd get_stats_mb; - struct bfa_mbox_cmd reset_stats_mb; -}; - -u32 bfa_nw_cee_meminfo(void); -void bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, - u64 dma_pa); -void bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, void *dev); - -#endif /* __BFA_CEE_H__ */ diff --git a/drivers/net/bna/bfa_cs.h b/drivers/net/bna/bfa_cs.h deleted file mode 100644 index 3da1a946ccdd..000000000000 --- a/drivers/net/bna/bfa_cs.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2011 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -/** - * @file bfa_cs.h BFA common services - */ - -#ifndef __BFA_CS_H__ -#define __BFA_CS_H__ - -#include "cna.h" - -/** - * @ BFA state machine interfaces - */ - -typedef void (*bfa_sm_t)(void *sm, int event); - -/** - * oc - object class eg. bfa_ioc - * st - state, eg. reset - * otype - object type, eg. struct bfa_ioc - * etype - object type, eg. enum ioc_event - */ -#define bfa_sm_state_decl(oc, st, otype, etype) \ - static void oc ## _sm_ ## st(otype * fsm, etype event) - -#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state)) -#define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event))) -#define bfa_sm_get_state(_sm) ((_sm)->sm) -#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) - -/** - * For converting from state machine function to state encoding. - */ -struct bfa_sm_table { - bfa_sm_t sm; /*!< state machine function */ - int state; /*!< state machine encoding */ - char *name; /*!< state name for display */ -}; -#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) - -/** - * State machine with entry actions. - */ -typedef void (*bfa_fsm_t)(void *fsm, int event); - -/** - * oc - object class eg. bfa_ioc - * st - state, eg. reset - * otype - object type, eg. struct bfa_ioc - * etype - object type, eg. enum ioc_event - */ -#define bfa_fsm_state_decl(oc, st, otype, etype) \ - static void oc ## _sm_ ## st(otype * fsm, etype event); \ - static void oc ## _sm_ ## st ## _entry(otype * fsm) - -#define bfa_fsm_set_state(_fsm, _state) do { \ - (_fsm)->fsm = (bfa_fsm_t)(_state); \ - _state ## _entry(_fsm); \ -} while (0) - -#define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) -#define bfa_fsm_get_state(_fsm) ((_fsm)->fsm) -#define bfa_fsm_cmp_state(_fsm, _state) \ - ((_fsm)->fsm == (bfa_fsm_t)(_state)) - -static inline int -bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm) -{ - int i = 0; - - while (smt[i].sm && smt[i].sm != sm) - i++; - return smt[i].state; -} - -/** - * @ Generic wait counter. - */ - -typedef void (*bfa_wc_resume_t) (void *cbarg); - -struct bfa_wc { - bfa_wc_resume_t wc_resume; - void *wc_cbarg; - int wc_count; -}; - -static inline void -bfa_wc_up(struct bfa_wc *wc) -{ - wc->wc_count++; -} - -static inline void -bfa_wc_down(struct bfa_wc *wc) -{ - wc->wc_count--; - if (wc->wc_count == 0) - wc->wc_resume(wc->wc_cbarg); -} - -/** - * Initialize a waiting counter. - */ -static inline void -bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) -{ - wc->wc_resume = wc_resume; - wc->wc_cbarg = wc_cbarg; - wc->wc_count = 0; - bfa_wc_up(wc); -} - -/** - * Wait for counter to reach zero - */ -static inline void -bfa_wc_wait(struct bfa_wc *wc) -{ - bfa_wc_down(wc); -} - -#endif /* __BFA_CS_H__ */ diff --git a/drivers/net/bna/bfa_defs.h b/drivers/net/bna/bfa_defs.h deleted file mode 100644 index b080b3698f48..000000000000 --- a/drivers/net/bna/bfa_defs.h +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __BFA_DEFS_H__ -#define __BFA_DEFS_H__ - -#include "cna.h" -#include "bfa_defs_status.h" -#include "bfa_defs_mfg_comm.h" - -#define BFA_STRING_32 32 -#define BFA_VERSION_LEN 64 - -/** - * ---------------------- adapter definitions ------------ - */ - -/** - * BFA adapter level attributes. - */ -enum { - BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE), - /* - *!< adapter serial num length - */ - BFA_ADAPTER_MODEL_NAME_LEN = 16, /*!< model name length */ - BFA_ADAPTER_MODEL_DESCR_LEN = 128, /*!< model description length */ - BFA_ADAPTER_MFG_NAME_LEN = 8, /*!< manufacturer name length */ - BFA_ADAPTER_SYM_NAME_LEN = 64, /*!< adapter symbolic name length */ - BFA_ADAPTER_OS_TYPE_LEN = 64, /*!< adapter os type length */ -}; - -struct bfa_adapter_attr { - char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; - char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; - u32 card_type; - char model[BFA_ADAPTER_MODEL_NAME_LEN]; - char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN]; - u64 pwwn; - char node_symname[FC_SYMNAME_MAX]; - char hw_ver[BFA_VERSION_LEN]; - char fw_ver[BFA_VERSION_LEN]; - char optrom_ver[BFA_VERSION_LEN]; - char os_type[BFA_ADAPTER_OS_TYPE_LEN]; - struct bfa_mfg_vpd vpd; - struct mac mac; - - u8 nports; - u8 max_speed; - u8 prototype; - char asic_rev; - - u8 pcie_gen; - u8 pcie_lanes_orig; - u8 pcie_lanes; - u8 cna_capable; - - u8 is_mezz; - u8 trunk_capable; -}; - -/** - * ---------------------- IOC definitions ------------ - */ - -enum { - BFA_IOC_DRIVER_LEN = 16, - BFA_IOC_CHIP_REV_LEN = 8, -}; - -/** - * Driver and firmware versions. - */ -struct bfa_ioc_driver_attr { - char driver[BFA_IOC_DRIVER_LEN]; /*!< driver name */ - char driver_ver[BFA_VERSION_LEN]; /*!< driver version */ - char fw_ver[BFA_VERSION_LEN]; /*!< firmware version */ - char bios_ver[BFA_VERSION_LEN]; /*!< bios version */ - char efi_ver[BFA_VERSION_LEN]; /*!< EFI version */ - char ob_ver[BFA_VERSION_LEN]; /*!< openboot version */ -}; - -/** - * IOC PCI device attributes - */ -struct bfa_ioc_pci_attr { - u16 vendor_id; /*!< PCI vendor ID */ - u16 device_id; /*!< PCI device ID */ - u16 ssid; /*!< subsystem ID */ - u16 ssvid; /*!< subsystem vendor ID */ - u32 pcifn; /*!< PCI device function */ - u32 rsvd; /* padding */ - char chip_rev[BFA_IOC_CHIP_REV_LEN]; /*!< chip revision */ -}; - -/** - * IOC states - */ -enum bfa_ioc_state { - BFA_IOC_UNINIT = 1, /*!< IOC is in uninit state */ - BFA_IOC_RESET = 2, /*!< IOC is in reset state */ - BFA_IOC_SEMWAIT = 3, /*!< Waiting for IOC h/w semaphore */ - BFA_IOC_HWINIT = 4, /*!< IOC h/w is being initialized */ - BFA_IOC_GETATTR = 5, /*!< IOC is being configured */ - BFA_IOC_OPERATIONAL = 6, /*!< IOC is operational */ - BFA_IOC_INITFAIL = 7, /*!< IOC hardware failure */ - BFA_IOC_FAIL = 8, /*!< IOC heart-beat failure */ - BFA_IOC_DISABLING = 9, /*!< IOC is being disabled */ - BFA_IOC_DISABLED = 10, /*!< IOC is disabled */ - BFA_IOC_FWMISMATCH = 11, /*!< IOC f/w different from drivers */ - BFA_IOC_ENABLING = 12, /*!< IOC is being enabled */ -}; - -/** - * IOC firmware stats - */ -struct bfa_fw_ioc_stats { - u32 enable_reqs; - u32 disable_reqs; - u32 get_attr_reqs; - u32 dbg_sync; - u32 dbg_dump; - u32 unknown_reqs; -}; - -/** - * IOC driver stats - */ -struct bfa_ioc_drv_stats { - u32 ioc_isrs; - u32 ioc_enables; - u32 ioc_disables; - u32 ioc_hbfails; - u32 ioc_boots; - u32 stats_tmos; - u32 hb_count; - u32 disable_reqs; - u32 enable_reqs; - u32 disable_replies; - u32 enable_replies; - u32 rsvd; -}; - -/** - * IOC statistics - */ -struct bfa_ioc_stats { - struct bfa_ioc_drv_stats drv_stats; /*!< driver IOC stats */ - struct bfa_fw_ioc_stats fw_stats; /*!< firmware IOC stats */ -}; - -enum bfa_ioc_type { - BFA_IOC_TYPE_FC = 1, - BFA_IOC_TYPE_FCoE = 2, - BFA_IOC_TYPE_LL = 3, -}; - -/** - * IOC attributes returned in queries - */ -struct bfa_ioc_attr { - enum bfa_ioc_type ioc_type; - enum bfa_ioc_state state; /*!< IOC state */ - struct bfa_adapter_attr adapter_attr; /*!< HBA attributes */ - struct bfa_ioc_driver_attr driver_attr; /*!< driver attr */ - struct bfa_ioc_pci_attr pci_attr; - u8 port_id; /*!< port number */ - u8 rsvd[7]; /*!< 64bit align */ -}; - -/** - * ---------------------- mfg definitions ------------ - */ - -/** - * Checksum size - */ -#define BFA_MFG_CHKSUM_SIZE 16 - -#define BFA_MFG_PARTNUM_SIZE 14 -#define BFA_MFG_SUPPLIER_ID_SIZE 10 -#define BFA_MFG_SUPPLIER_PARTNUM_SIZE 20 -#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE 20 -#define BFA_MFG_SUPPLIER_REVISION_SIZE 4 - -#pragma pack(1) - -/** - * @brief BFA adapter manufacturing block definition. - * - * All numerical fields are in big-endian format. - */ -struct bfa_mfg_block { - u8 version; /*!< manufacturing block version */ - u8 mfg_sig[3]; /*!< characters 'M', 'F', 'G' */ - u16 mfgsize; /*!< mfg block size */ - u16 u16_chksum; /*!< old u16 checksum */ - char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; - char brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)]; - u8 mfg_day; /*!< manufacturing day */ - u8 mfg_month; /*!< manufacturing month */ - u16 mfg_year; /*!< manufacturing year */ - u64 mfg_wwn; /*!< wwn base for this adapter */ - u8 num_wwn; /*!< number of wwns assigned */ - u8 mfg_speeds; /*!< speeds allowed for this adapter */ - u8 rsv[2]; - char supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)]; - char supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)]; - char - supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)]; - char - supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)]; - mac_t mfg_mac; /*!< mac address */ - u8 num_mac; /*!< number of mac addresses */ - u8 rsv2; - u32 mfg_type; /*!< card type */ - u8 rsv3[108]; - u8 md5_chksum[BFA_MFG_CHKSUM_SIZE]; /*!< md5 checksum */ -}; - -#pragma pack() - -/** - * ---------------------- pci definitions ------------ - */ - -#define bfa_asic_id_ct(devid) \ - ((devid) == PCI_DEVICE_ID_BROCADE_CT || \ - (devid) == PCI_DEVICE_ID_BROCADE_CT_FC) - -#endif /* __BFA_DEFS_H__ */ diff --git a/drivers/net/bna/bfa_defs_cna.h b/drivers/net/bna/bfa_defs_cna.h deleted file mode 100644 index 7e0a9187bdd5..000000000000 --- a/drivers/net/bna/bfa_defs_cna.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __BFA_DEFS_CNA_H__ -#define __BFA_DEFS_CNA_H__ - -#include "bfa_defs.h" - -/** - * @brief - * FC physical port statistics. - */ -struct bfa_port_fc_stats { - u64 secs_reset; /*!< Seconds since stats is reset */ - u64 tx_frames; /*!< Tx frames */ - u64 tx_words; /*!< Tx words */ - u64 tx_lip; /*!< Tx LIP */ - u64 tx_nos; /*!< Tx NOS */ - u64 tx_ols; /*!< Tx OLS */ - u64 tx_lr; /*!< Tx LR */ - u64 tx_lrr; /*!< Tx LRR */ - u64 rx_frames; /*!< Rx frames */ - u64 rx_words; /*!< Rx words */ - u64 lip_count; /*!< Rx LIP */ - u64 nos_count; /*!< Rx NOS */ - u64 ols_count; /*!< Rx OLS */ - u64 lr_count; /*!< Rx LR */ - u64 lrr_count; /*!< Rx LRR */ - u64 invalid_crcs; /*!< Rx CRC err frames */ - u64 invalid_crc_gd_eof; /*!< Rx CRC err good EOF frames */ - u64 undersized_frm; /*!< Rx undersized frames */ - u64 oversized_frm; /*!< Rx oversized frames */ - u64 bad_eof_frm; /*!< Rx frames with bad EOF */ - u64 error_frames; /*!< Errored frames */ - u64 dropped_frames; /*!< Dropped frames */ - u64 link_failures; /*!< Link Failure (LF) count */ - u64 loss_of_syncs; /*!< Loss of sync count */ - u64 loss_of_signals; /*!< Loss of signal count */ - u64 primseq_errs; /*!< Primitive sequence protocol err. */ - u64 bad_os_count; /*!< Invalid ordered sets */ - u64 err_enc_out; /*!< Encoding err nonframe_8b10b */ - u64 err_enc; /*!< Encoding err frame_8b10b */ -}; - -/** - * @brief - * Eth Physical Port statistics. - */ -struct bfa_port_eth_stats { - u64 secs_reset; /*!< Seconds since stats is reset */ - u64 frame_64; /*!< Frames 64 bytes */ - u64 frame_65_127; /*!< Frames 65-127 bytes */ - u64 frame_128_255; /*!< Frames 128-255 bytes */ - u64 frame_256_511; /*!< Frames 256-511 bytes */ - u64 frame_512_1023; /*!< Frames 512-1023 bytes */ - u64 frame_1024_1518; /*!< Frames 1024-1518 bytes */ - u64 frame_1519_1522; /*!< Frames 1519-1522 bytes */ - u64 tx_bytes; /*!< Tx bytes */ - u64 tx_packets; /*!< Tx packets */ - u64 tx_mcast_packets; /*!< Tx multicast packets */ - u64 tx_bcast_packets; /*!< Tx broadcast packets */ - u64 tx_control_frame; /*!< Tx control frame */ - u64 tx_drop; /*!< Tx drops */ - u64 tx_jabber; /*!< Tx jabber */ - u64 tx_fcs_error; /*!< Tx FCS errors */ - u64 tx_fragments; /*!< Tx fragments */ - u64 rx_bytes; /*!< Rx bytes */ - u64 rx_packets; /*!< Rx packets */ - u64 rx_mcast_packets; /*!< Rx multicast packets */ - u64 rx_bcast_packets; /*!< Rx broadcast packets */ - u64 rx_control_frames; /*!< Rx control frames */ - u64 rx_unknown_opcode; /*!< Rx unknown opcode */ - u64 rx_drop; /*!< Rx drops */ - u64 rx_jabber; /*!< Rx jabber */ - u64 rx_fcs_error; /*!< Rx FCS errors */ - u64 rx_alignment_error; /*!< Rx alignment errors */ - u64 rx_frame_length_error; /*!< Rx frame len errors */ - u64 rx_code_error; /*!< Rx code errors */ - u64 rx_fragments; /*!< Rx fragments */ - u64 rx_pause; /*!< Rx pause */ - u64 rx_zero_pause; /*!< Rx zero pause */ - u64 tx_pause; /*!< Tx pause */ - u64 tx_zero_pause; /*!< Tx zero pause */ - u64 rx_fcoe_pause; /*!< Rx FCoE pause */ - u64 rx_fcoe_zero_pause; /*!< Rx FCoE zero pause */ - u64 tx_fcoe_pause; /*!< Tx FCoE pause */ - u64 tx_fcoe_zero_pause; /*!< Tx FCoE zero pause */ -}; - -/** - * @brief - * Port statistics. - */ -union bfa_port_stats_u { - struct bfa_port_fc_stats fc; - struct bfa_port_eth_stats eth; -}; - -#pragma pack(1) - -#define BFA_CEE_LLDP_MAX_STRING_LEN (128) -#define BFA_CEE_DCBX_MAX_PRIORITY (8) -#define BFA_CEE_DCBX_MAX_PGID (8) - -#define BFA_CEE_LLDP_SYS_CAP_OTHER 0x0001 -#define BFA_CEE_LLDP_SYS_CAP_REPEATER 0x0002 -#define BFA_CEE_LLDP_SYS_CAP_MAC_BRIDGE 0x0004 -#define BFA_CEE_LLDP_SYS_CAP_WLAN_AP 0x0008 -#define BFA_CEE_LLDP_SYS_CAP_ROUTER 0x0010 -#define BFA_CEE_LLDP_SYS_CAP_TELEPHONE 0x0020 -#define BFA_CEE_LLDP_SYS_CAP_DOCSIS_CD 0x0040 -#define BFA_CEE_LLDP_SYS_CAP_STATION 0x0080 -#define BFA_CEE_LLDP_SYS_CAP_CVLAN 0x0100 -#define BFA_CEE_LLDP_SYS_CAP_SVLAN 0x0200 -#define BFA_CEE_LLDP_SYS_CAP_TPMR 0x0400 - -/* LLDP string type */ -struct bfa_cee_lldp_str { - u8 sub_type; - u8 len; - u8 rsvd[2]; - u8 value[BFA_CEE_LLDP_MAX_STRING_LEN]; -}; - -/* LLDP paramters */ -struct bfa_cee_lldp_cfg { - struct bfa_cee_lldp_str chassis_id; - struct bfa_cee_lldp_str port_id; - struct bfa_cee_lldp_str port_desc; - struct bfa_cee_lldp_str sys_name; - struct bfa_cee_lldp_str sys_desc; - struct bfa_cee_lldp_str mgmt_addr; - u16 time_to_live; - u16 enabled_system_cap; -}; - -enum bfa_cee_dcbx_version { - DCBX_PROTOCOL_PRECEE = 1, - DCBX_PROTOCOL_CEE = 2, -}; - -enum bfa_cee_lls { - /* LLS is down because the TLV not sent by the peer */ - CEE_LLS_DOWN_NO_TLV = 0, - /* LLS is down as advertised by the peer */ - CEE_LLS_DOWN = 1, - CEE_LLS_UP = 2, -}; - -/* CEE/DCBX parameters */ -struct bfa_cee_dcbx_cfg { - u8 pgid[BFA_CEE_DCBX_MAX_PRIORITY]; - u8 pg_percentage[BFA_CEE_DCBX_MAX_PGID]; - u8 pfc_primap; /* bitmap of priorties with PFC enabled */ - u8 fcoe_primap; /* bitmap of priorities used for FcoE traffic */ - u8 iscsi_primap; /* bitmap of priorities used for iSCSI traffic */ - u8 dcbx_version; /* operating version:CEE or preCEE */ - u8 lls_fcoe; /* FCoE Logical Link Status */ - u8 lls_lan; /* LAN Logical Link Status */ - u8 rsvd[2]; -}; - -/* CEE status */ -/* Making this to tri-state for the benefit of port list command */ -enum bfa_cee_status { - CEE_UP = 0, - CEE_PHY_UP = 1, - CEE_LOOPBACK = 2, - CEE_PHY_DOWN = 3, -}; - -/* CEE Query */ -struct bfa_cee_attr { - u8 cee_status; - u8 error_reason; - struct bfa_cee_lldp_cfg lldp_remote; - struct bfa_cee_dcbx_cfg dcbx_remote; - mac_t src_mac; - u8 link_speed; - u8 nw_priority; - u8 filler[2]; -}; - -/* LLDP/DCBX/CEE Statistics */ -struct bfa_cee_stats { - u32 lldp_tx_frames; /*!< LLDP Tx Frames */ - u32 lldp_rx_frames; /*!< LLDP Rx Frames */ - u32 lldp_rx_frames_invalid; /*!< LLDP Rx Frames invalid */ - u32 lldp_rx_frames_new; /*!< LLDP Rx Frames new */ - u32 lldp_tlvs_unrecognized; /*!< LLDP Rx unrecognized TLVs */ - u32 lldp_rx_shutdown_tlvs; /*!< LLDP Rx shutdown TLVs */ - u32 lldp_info_aged_out; /*!< LLDP remote info aged out */ - u32 dcbx_phylink_ups; /*!< DCBX phy link ups */ - u32 dcbx_phylink_downs; /*!< DCBX phy link downs */ - u32 dcbx_rx_tlvs; /*!< DCBX Rx TLVs */ - u32 dcbx_rx_tlvs_invalid; /*!< DCBX Rx TLVs invalid */ - u32 dcbx_control_tlv_error; /*!< DCBX control TLV errors */ - u32 dcbx_feature_tlv_error; /*!< DCBX feature TLV errors */ - u32 dcbx_cee_cfg_new; /*!< DCBX new CEE cfg rcvd */ - u32 cee_status_down; /*!< CEE status down */ - u32 cee_status_up; /*!< CEE status up */ - u32 cee_hw_cfg_changed; /*!< CEE hw cfg changed */ - u32 cee_rx_invalid_cfg; /*!< CEE invalid cfg */ -}; - -#pragma pack() - -#endif /* __BFA_DEFS_CNA_H__ */ diff --git a/drivers/net/bna/bfa_defs_mfg_comm.h b/drivers/net/bna/bfa_defs_mfg_comm.h deleted file mode 100644 index 885ef3afdd4e..000000000000 --- a/drivers/net/bna/bfa_defs_mfg_comm.h +++ /dev/null @@ -1,222 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BFA_DEFS_MFG_COMM_H__ -#define __BFA_DEFS_MFG_COMM_H__ - -#include "cna.h" - -/** - * Manufacturing block version - */ -#define BFA_MFG_VERSION 2 -#define BFA_MFG_VERSION_UNINIT 0xFF - -/** - * Manufacturing block encrypted version - */ -#define BFA_MFG_ENC_VER 2 - -/** - * Manufacturing block version 1 length - */ -#define BFA_MFG_VER1_LEN 128 - -/** - * Manufacturing block header length - */ -#define BFA_MFG_HDR_LEN 4 - -#define BFA_MFG_SERIALNUM_SIZE 11 -#define STRSZ(_n) (((_n) + 4) & ~3) - -/** - * Manufacturing card type - */ -enum { - BFA_MFG_TYPE_CB_MAX = 825, /*!< Crossbow card type max */ - BFA_MFG_TYPE_FC8P2 = 825, /*!< 8G 2port FC card */ - BFA_MFG_TYPE_FC8P1 = 815, /*!< 8G 1port FC card */ - BFA_MFG_TYPE_FC4P2 = 425, /*!< 4G 2port FC card */ - BFA_MFG_TYPE_FC4P1 = 415, /*!< 4G 1port FC card */ - BFA_MFG_TYPE_CNA10P2 = 1020, /*!< 10G 2port CNA card */ - BFA_MFG_TYPE_CNA10P1 = 1010, /*!< 10G 1port CNA card */ - BFA_MFG_TYPE_JAYHAWK = 804, /*!< Jayhawk mezz card */ - BFA_MFG_TYPE_WANCHESE = 1007, /*!< Wanchese mezz card */ - BFA_MFG_TYPE_ASTRA = 807, /*!< Astra mezz card */ - BFA_MFG_TYPE_LIGHTNING_P0 = 902, /*!< Lightning mezz card - old */ - BFA_MFG_TYPE_LIGHTNING = 1741, /*!< Lightning mezz card */ - BFA_MFG_TYPE_INVALID = 0, /*!< Invalid card type */ -}; - -#pragma pack(1) - -/** - * Check if 1-port card - */ -#define bfa_mfg_is_1port(type) (( \ - (type) == BFA_MFG_TYPE_FC8P1 || \ - (type) == BFA_MFG_TYPE_FC4P1 || \ - (type) == BFA_MFG_TYPE_CNA10P1)) - -/** - * Check if Mezz card - */ -#define bfa_mfg_is_mezz(type) (( \ - (type) == BFA_MFG_TYPE_JAYHAWK || \ - (type) == BFA_MFG_TYPE_WANCHESE || \ - (type) == BFA_MFG_TYPE_ASTRA || \ - (type) == BFA_MFG_TYPE_LIGHTNING_P0 || \ - (type) == BFA_MFG_TYPE_LIGHTNING)) - -/** - * Check if card type valid - */ -#define bfa_mfg_is_card_type_valid(type) (( \ - (type) == BFA_MFG_TYPE_FC8P2 || \ - (type) == BFA_MFG_TYPE_FC8P1 || \ - (type) == BFA_MFG_TYPE_FC4P2 || \ - (type) == BFA_MFG_TYPE_FC4P1 || \ - (type) == BFA_MFG_TYPE_CNA10P2 || \ - (type) == BFA_MFG_TYPE_CNA10P1 || \ - bfa_mfg_is_mezz(type))) - -#define bfa_mfg_adapter_prop_init_flash(card_type, prop) \ -do { \ - switch ((card_type)) { \ - case BFA_MFG_TYPE_FC8P2: \ - case BFA_MFG_TYPE_JAYHAWK: \ - case BFA_MFG_TYPE_ASTRA: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \ - BFI_ADAPTER_SETP(SPEED, 8); \ - break; \ - case BFA_MFG_TYPE_FC8P1: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \ - BFI_ADAPTER_SETP(SPEED, 8); \ - break; \ - case BFA_MFG_TYPE_FC4P2: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \ - BFI_ADAPTER_SETP(SPEED, 4); \ - break; \ - case BFA_MFG_TYPE_FC4P1: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \ - BFI_ADAPTER_SETP(SPEED, 4); \ - break; \ - case BFA_MFG_TYPE_CNA10P2: \ - case BFA_MFG_TYPE_WANCHESE: \ - case BFA_MFG_TYPE_LIGHTNING_P0: \ - case BFA_MFG_TYPE_LIGHTNING: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 2); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \ - break; \ - case BFA_MFG_TYPE_CNA10P1: \ - (prop) = BFI_ADAPTER_SETP(NPORTS, 1); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \ - break; \ - default: \ - (prop) = BFI_ADAPTER_UNSUPP; \ - } \ -} while (0) - -enum { - CB_GPIO_TTV = (1), /*!< TTV debug capable cards */ - CB_GPIO_FC8P2 = (2), /*!< 8G 2port FC card */ - CB_GPIO_FC8P1 = (3), /*!< 8G 1port FC card */ - CB_GPIO_FC4P2 = (4), /*!< 4G 2port FC card */ - CB_GPIO_FC4P1 = (5), /*!< 4G 1port FC card */ - CB_GPIO_DFLY = (6), /*!< 8G 2port FC mezzanine card */ - CB_GPIO_PROTO = (1 << 7) /*!< 8G 2port FC prototypes */ -}; - -#define bfa_mfg_adapter_prop_init_gpio(gpio, card_type, prop) \ -do { \ - if ((gpio) & CB_GPIO_PROTO) { \ - (prop) |= BFI_ADAPTER_PROTO; \ - (gpio) &= ~CB_GPIO_PROTO; \ - } \ - switch ((gpio)) { \ - case CB_GPIO_TTV: \ - (prop) |= BFI_ADAPTER_TTV; \ - case CB_GPIO_DFLY: \ - case CB_GPIO_FC8P2: \ - (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \ - (card_type) = BFA_MFG_TYPE_FC8P2; \ - break; \ - case CB_GPIO_FC8P1: \ - (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \ - (card_type) = BFA_MFG_TYPE_FC8P1; \ - break; \ - case CB_GPIO_FC4P2: \ - (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \ - (card_type) = BFA_MFG_TYPE_FC4P2; \ - break; \ - case CB_GPIO_FC4P1: \ - (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \ - (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \ - (card_type) = BFA_MFG_TYPE_FC4P1; \ - break; \ - default: \ - (prop) |= BFI_ADAPTER_UNSUPP; \ - (card_type) = BFA_MFG_TYPE_INVALID; \ - } \ -} while (0) - -/** - * VPD data length - */ -#define BFA_MFG_VPD_LEN 512 -#define BFA_MFG_VPD_LEN_INVALID 0 - -#define BFA_MFG_VPD_PCI_HDR_OFF 137 -#define BFA_MFG_VPD_PCI_VER_MASK 0x07 /*!< version mask 3 bits */ -#define BFA_MFG_VPD_PCI_VDR_MASK 0xf8 /*!< vendor mask 5 bits */ - -/** - * VPD vendor tag - */ -enum { - BFA_MFG_VPD_UNKNOWN = 0, /*!< vendor unknown */ - BFA_MFG_VPD_IBM = 1, /*!< vendor IBM */ - BFA_MFG_VPD_HP = 2, /*!< vendor HP */ - BFA_MFG_VPD_DELL = 3, /*!< vendor DELL */ - BFA_MFG_VPD_PCI_IBM = 0x08, /*!< PCI VPD IBM */ - BFA_MFG_VPD_PCI_HP = 0x10, /*!< PCI VPD HP */ - BFA_MFG_VPD_PCI_DELL = 0x20, /*!< PCI VPD DELL */ - BFA_MFG_VPD_PCI_BRCD = 0xf8, /*!< PCI VPD Brocade */ -}; - -/** - * @brief BFA adapter flash vpd data definition. - * - * All numerical fields are in big-endian format. - */ -struct bfa_mfg_vpd { - u8 version; /*!< vpd data version */ - u8 vpd_sig[3]; /*!< characters 'V', 'P', 'D' */ - u8 chksum; /*!< u8 checksum */ - u8 vendor; /*!< vendor */ - u8 len; /*!< vpd data length excluding header */ - u8 rsv; - u8 data[BFA_MFG_VPD_LEN]; /*!< vpd data */ -}; - -#pragma pack() - -#endif /* __BFA_DEFS_MFG_H__ */ diff --git a/drivers/net/bna/bfa_defs_status.h b/drivers/net/bna/bfa_defs_status.h deleted file mode 100644 index 7c5fe6c2e80e..000000000000 --- a/drivers/net/bna/bfa_defs_status.h +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BFA_DEFS_STATUS_H__ -#define __BFA_DEFS_STATUS_H__ - -/** - * API status return values - * - * NOTE: The error msgs are auto generated from the comments. Only singe line - * comments are supported - */ -enum bfa_status { - BFA_STATUS_OK = 0, - BFA_STATUS_FAILED = 1, - BFA_STATUS_EINVAL = 2, - BFA_STATUS_ENOMEM = 3, - BFA_STATUS_ENOSYS = 4, - BFA_STATUS_ETIMER = 5, - BFA_STATUS_EPROTOCOL = 6, - BFA_STATUS_ENOFCPORTS = 7, - BFA_STATUS_NOFLASH = 8, - BFA_STATUS_BADFLASH = 9, - BFA_STATUS_SFP_UNSUPP = 10, - BFA_STATUS_UNKNOWN_VFID = 11, - BFA_STATUS_DATACORRUPTED = 12, - BFA_STATUS_DEVBUSY = 13, - BFA_STATUS_ABORTED = 14, - BFA_STATUS_NODEV = 15, - BFA_STATUS_HDMA_FAILED = 16, - BFA_STATUS_FLASH_BAD_LEN = 17, - BFA_STATUS_UNKNOWN_LWWN = 18, - BFA_STATUS_UNKNOWN_RWWN = 19, - BFA_STATUS_FCPT_LS_RJT = 20, - BFA_STATUS_VPORT_EXISTS = 21, - BFA_STATUS_VPORT_MAX = 22, - BFA_STATUS_UNSUPP_SPEED = 23, - BFA_STATUS_INVLD_DFSZ = 24, - BFA_STATUS_CNFG_FAILED = 25, - BFA_STATUS_CMD_NOTSUPP = 26, - BFA_STATUS_NO_ADAPTER = 27, - BFA_STATUS_LINKDOWN = 28, - BFA_STATUS_FABRIC_RJT = 29, - BFA_STATUS_UNKNOWN_VWWN = 30, - BFA_STATUS_NSLOGIN_FAILED = 31, - BFA_STATUS_NO_RPORTS = 32, - BFA_STATUS_NSQUERY_FAILED = 33, - BFA_STATUS_PORT_OFFLINE = 34, - BFA_STATUS_RPORT_OFFLINE = 35, - BFA_STATUS_TGTOPEN_FAILED = 36, - BFA_STATUS_BAD_LUNS = 37, - BFA_STATUS_IO_FAILURE = 38, - BFA_STATUS_NO_FABRIC = 39, - BFA_STATUS_EBADF = 40, - BFA_STATUS_EINTR = 41, - BFA_STATUS_EIO = 42, - BFA_STATUS_ENOTTY = 43, - BFA_STATUS_ENXIO = 44, - BFA_STATUS_EFOPEN = 45, - BFA_STATUS_VPORT_WWN_BP = 46, - BFA_STATUS_PORT_NOT_DISABLED = 47, - BFA_STATUS_BADFRMHDR = 48, - BFA_STATUS_BADFRMSZ = 49, - BFA_STATUS_MISSINGFRM = 50, - BFA_STATUS_LINKTIMEOUT = 51, - BFA_STATUS_NO_FCPIM_NEXUS = 52, - BFA_STATUS_CHECKSUM_FAIL = 53, - BFA_STATUS_GZME_FAILED = 54, - BFA_STATUS_SCSISTART_REQD = 55, - BFA_STATUS_IOC_FAILURE = 56, - BFA_STATUS_INVALID_WWN = 57, - BFA_STATUS_MISMATCH = 58, - BFA_STATUS_IOC_ENABLED = 59, - BFA_STATUS_ADAPTER_ENABLED = 60, - BFA_STATUS_IOC_NON_OP = 61, - BFA_STATUS_ADDR_MAP_FAILURE = 62, - BFA_STATUS_SAME_NAME = 63, - BFA_STATUS_PENDING = 64, - BFA_STATUS_8G_SPD = 65, - BFA_STATUS_4G_SPD = 66, - BFA_STATUS_AD_IS_ENABLE = 67, - BFA_STATUS_EINVAL_TOV = 68, - BFA_STATUS_EINVAL_QDEPTH = 69, - BFA_STATUS_VERSION_FAIL = 70, - BFA_STATUS_DIAG_BUSY = 71, - BFA_STATUS_BEACON_ON = 72, - BFA_STATUS_BEACON_OFF = 73, - BFA_STATUS_LBEACON_ON = 74, - BFA_STATUS_LBEACON_OFF = 75, - BFA_STATUS_PORT_NOT_INITED = 76, - BFA_STATUS_RPSC_ENABLED = 77, - BFA_STATUS_ENOFSAVE = 78, - BFA_STATUS_BAD_FILE = 79, - BFA_STATUS_RLIM_EN = 80, - BFA_STATUS_RLIM_DIS = 81, - BFA_STATUS_IOC_DISABLED = 82, - BFA_STATUS_ADAPTER_DISABLED = 83, - BFA_STATUS_BIOS_DISABLED = 84, - BFA_STATUS_AUTH_ENABLED = 85, - BFA_STATUS_AUTH_DISABLED = 86, - BFA_STATUS_ERROR_TRL_ENABLED = 87, - BFA_STATUS_ERROR_QOS_ENABLED = 88, - BFA_STATUS_NO_SFP_DEV = 89, - BFA_STATUS_MEMTEST_FAILED = 90, - BFA_STATUS_INVALID_DEVID = 91, - BFA_STATUS_QOS_ENABLED = 92, - BFA_STATUS_QOS_DISABLED = 93, - BFA_STATUS_INCORRECT_DRV_CONFIG = 94, - BFA_STATUS_REG_FAIL = 95, - BFA_STATUS_IM_INV_CODE = 96, - BFA_STATUS_IM_INV_VLAN = 97, - BFA_STATUS_IM_INV_ADAPT_NAME = 98, - BFA_STATUS_IM_LOW_RESOURCES = 99, - BFA_STATUS_IM_VLANID_IS_PVID = 100, - BFA_STATUS_IM_VLANID_EXISTS = 101, - BFA_STATUS_IM_FW_UPDATE_FAIL = 102, - BFA_STATUS_PORTLOG_ENABLED = 103, - BFA_STATUS_PORTLOG_DISABLED = 104, - BFA_STATUS_FILE_NOT_FOUND = 105, - BFA_STATUS_QOS_FC_ONLY = 106, - BFA_STATUS_RLIM_FC_ONLY = 107, - BFA_STATUS_CT_SPD = 108, - BFA_STATUS_LEDTEST_OP = 109, - BFA_STATUS_CEE_NOT_DN = 110, - BFA_STATUS_10G_SPD = 111, - BFA_STATUS_IM_INV_TEAM_NAME = 112, - BFA_STATUS_IM_DUP_TEAM_NAME = 113, - BFA_STATUS_IM_ADAPT_ALREADY_IN_TEAM = 114, - BFA_STATUS_IM_ADAPT_HAS_VLANS = 115, - BFA_STATUS_IM_PVID_MISMATCH = 116, - BFA_STATUS_IM_LINK_SPEED_MISMATCH = 117, - BFA_STATUS_IM_MTU_MISMATCH = 118, - BFA_STATUS_IM_RSS_MISMATCH = 119, - BFA_STATUS_IM_HDS_MISMATCH = 120, - BFA_STATUS_IM_OFFLOAD_MISMATCH = 121, - BFA_STATUS_IM_PORT_PARAMS = 122, - BFA_STATUS_IM_PORT_NOT_IN_TEAM = 123, - BFA_STATUS_IM_CANNOT_REM_PRI = 124, - BFA_STATUS_IM_MAX_PORTS_REACHED = 125, - BFA_STATUS_IM_LAST_PORT_DELETE = 126, - BFA_STATUS_IM_NO_DRIVER = 127, - BFA_STATUS_IM_MAX_VLANS_REACHED = 128, - BFA_STATUS_TOMCAT_SPD_NOT_ALLOWED = 129, - BFA_STATUS_NO_MINPORT_DRIVER = 130, - BFA_STATUS_CARD_TYPE_MISMATCH = 131, - BFA_STATUS_BAD_ASICBLK = 132, - BFA_STATUS_NO_DRIVER = 133, - BFA_STATUS_INVALID_MAC = 134, - BFA_STATUS_IM_NO_VLAN = 135, - BFA_STATUS_IM_ETH_LB_FAILED = 136, - BFA_STATUS_IM_PVID_REMOVE = 137, - BFA_STATUS_IM_PVID_EDIT = 138, - BFA_STATUS_CNA_NO_BOOT = 139, - BFA_STATUS_IM_PVID_NON_ZERO = 140, - BFA_STATUS_IM_INETCFG_LOCK_FAILED = 141, - BFA_STATUS_IM_GET_INETCFG_FAILED = 142, - BFA_STATUS_IM_NOT_BOUND = 143, - BFA_STATUS_INSUFFICIENT_PERMS = 144, - BFA_STATUS_IM_INV_VLAN_NAME = 145, - BFA_STATUS_CMD_NOTSUPP_CNA = 146, - BFA_STATUS_IM_PASSTHRU_EDIT = 147, - BFA_STATUS_IM_BIND_FAILED = 148, - BFA_STATUS_IM_UNBIND_FAILED = 149, - BFA_STATUS_IM_PORT_IN_TEAM = 150, - BFA_STATUS_IM_VLAN_NOT_FOUND = 151, - BFA_STATUS_IM_TEAM_NOT_FOUND = 152, - BFA_STATUS_IM_TEAM_CFG_NOT_ALLOWED = 153, - BFA_STATUS_PBC = 154, - BFA_STATUS_DEVID_MISSING = 155, - BFA_STATUS_BAD_FWCFG = 156, - BFA_STATUS_CREATE_FILE = 157, - BFA_STATUS_INVALID_VENDOR = 158, - BFA_STATUS_SFP_NOT_READY = 159, - BFA_STATUS_FLASH_UNINIT = 160, - BFA_STATUS_FLASH_EMPTY = 161, - BFA_STATUS_FLASH_CKFAIL = 162, - BFA_STATUS_TRUNK_UNSUPP = 163, - BFA_STATUS_TRUNK_ENABLED = 164, - BFA_STATUS_TRUNK_DISABLED = 165, - BFA_STATUS_TRUNK_ERROR_TRL_ENABLED = 166, - BFA_STATUS_BOOT_CODE_UPDATED = 167, - BFA_STATUS_BOOT_VERSION = 168, - BFA_STATUS_CARDTYPE_MISSING = 169, - BFA_STATUS_INVALID_CARDTYPE = 170, - BFA_STATUS_NO_TOPOLOGY_FOR_CNA = 171, - BFA_STATUS_IM_VLAN_OVER_TEAM_DELETE_FAILED = 172, - BFA_STATUS_ETHBOOT_ENABLED = 173, - BFA_STATUS_ETHBOOT_DISABLED = 174, - BFA_STATUS_IOPROFILE_OFF = 175, - BFA_STATUS_NO_PORT_INSTANCE = 176, - BFA_STATUS_BOOT_CODE_TIMEDOUT = 177, - BFA_STATUS_NO_VPORT_LOCK = 178, - BFA_STATUS_VPORT_NO_CNFG = 179, - BFA_STATUS_MAX_VAL -}; - -enum bfa_eproto_status { - BFA_EPROTO_BAD_ACCEPT = 0, - BFA_EPROTO_UNKNOWN_RSP = 1 -}; - -#endif /* __BFA_DEFS_STATUS_H__ */ diff --git a/drivers/net/bna/bfa_ioc.c b/drivers/net/bna/bfa_ioc.c deleted file mode 100644 index 3cdea65aee12..000000000000 --- a/drivers/net/bna/bfa_ioc.c +++ /dev/null @@ -1,2326 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#include "bfa_ioc.h" -#include "cna.h" -#include "bfi.h" -#include "bfi_reg.h" -#include "bfa_defs.h" - -/** - * IOC local definitions - */ - -/** - * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. - */ - -#define bfa_ioc_firmware_lock(__ioc) \ - ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) -#define bfa_ioc_firmware_unlock(__ioc) \ - ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) -#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) -#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) -#define bfa_ioc_notify_fail(__ioc) \ - ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) -#define bfa_ioc_sync_start(__ioc) \ - ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) -#define bfa_ioc_sync_join(__ioc) \ - ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) -#define bfa_ioc_sync_leave(__ioc) \ - ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) -#define bfa_ioc_sync_ack(__ioc) \ - ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) -#define bfa_ioc_sync_complete(__ioc) \ - ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) - -#define bfa_ioc_mbox_cmd_pending(__ioc) \ - (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ - readl((__ioc)->ioc_regs.hfn_mbox_cmd)) - -static bool bfa_nw_auto_recover = true; - -/* - * forward declarations - */ -static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc); -static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc); -static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc); -static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force); -static void bfa_ioc_send_enable(struct bfa_ioc *ioc); -static void bfa_ioc_send_disable(struct bfa_ioc *ioc); -static void bfa_ioc_send_getattr(struct bfa_ioc *ioc); -static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc); -static void bfa_ioc_hb_stop(struct bfa_ioc *ioc); -static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force); -static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc); -static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc); -static void bfa_ioc_recover(struct bfa_ioc *ioc); -static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc); -static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event); -static void bfa_ioc_disable_comp(struct bfa_ioc *ioc); -static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc); -static void bfa_ioc_fail_notify(struct bfa_ioc *ioc); -static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc); -static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc); -static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc); -static void bfa_ioc_pf_failed(struct bfa_ioc *ioc); -static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc); -static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, - u32 boot_param); -static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr); -static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, - char *serial_num); -static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, - char *fw_ver); -static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, - char *chip_rev); -static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, - char *optrom_ver); -static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, - char *manufacturer); -static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); -static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); - -/** - * IOC state machine definitions/declarations - */ -enum ioc_event { - IOC_E_RESET = 1, /*!< IOC reset request */ - IOC_E_ENABLE = 2, /*!< IOC enable request */ - IOC_E_DISABLE = 3, /*!< IOC disable request */ - IOC_E_DETACH = 4, /*!< driver detach cleanup */ - IOC_E_ENABLED = 5, /*!< f/w enabled */ - IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */ - IOC_E_DISABLED = 7, /*!< f/w disabled */ - IOC_E_INITFAILED = 8, /*!< failure notice by iocpf sm */ - IOC_E_PFFAILED = 9, /*!< failure notice by iocpf sm */ - IOC_E_HBFAIL = 10, /*!< heartbeat failure */ - IOC_E_HWERROR = 11, /*!< hardware error interrupt */ - IOC_E_TIMEOUT = 12, /*!< timeout */ -}; - -bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); - -static struct bfa_sm_table ioc_sm_table[] = { - {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, - {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, - {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, - {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, - {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, - {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, - {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, - {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, - {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, -}; - -/** - * IOCPF state machine definitions/declarations - */ - -/* - * Forward declareations for iocpf state machine - */ -static void bfa_iocpf_enable(struct bfa_ioc *ioc); -static void bfa_iocpf_disable(struct bfa_ioc *ioc); -static void bfa_iocpf_fail(struct bfa_ioc *ioc); -static void bfa_iocpf_initfail(struct bfa_ioc *ioc); -static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); -static void bfa_iocpf_stop(struct bfa_ioc *ioc); - -/** - * IOCPF state machine events - */ -enum iocpf_event { - IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */ - IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */ - IOCPF_E_STOP = 3, /*!< stop on driver detach */ - IOCPF_E_FWREADY = 4, /*!< f/w initialization done */ - IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */ - IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */ - IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */ - IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */ - IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */ - IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */ - IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */ -}; - -/** - * IOCPF states - */ -enum bfa_iocpf_state { - BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */ - BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */ - BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */ - BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */ - BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */ - BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */ - BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */ - BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */ - BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */ -}; - -bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf, - enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, - enum iocpf_event); -bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); - -static struct bfa_sm_table iocpf_sm_table[] = { - {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, - {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, - {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, - {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, - {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, - {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, - {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, - {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, - {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, - {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, - {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, - {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, - {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, - {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, -}; - -/** - * IOC State Machine - */ - -/** - * Beginning state. IOC uninit state. - */ -static void -bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc) -{ -} - -/** - * IOC is in uninit state. - */ -static void -bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_RESET: - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * Reset entry actions -- initialize state machine - */ -static void -bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) -{ - bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); -} - -/** - * IOC is in reset state. - */ -static void -bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); - break; - - case IOC_E_DISABLE: - bfa_ioc_disable_comp(ioc); - break; - - case IOC_E_DETACH: - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) -{ - bfa_iocpf_enable(ioc); -} - -/** - * Host IOC function is being enabled, awaiting response from firmware. - * Semaphore is acquired. - */ -static void -bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLED: - bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); - break; - - case IOC_E_PFFAILED: - /* !!! fall through !!! */ - case IOC_E_HWERROR: - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); - if (event != IOC_E_PFFAILED) - bfa_iocpf_initfail(ioc); - break; - - case IOC_E_DISABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_DETACH: - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - bfa_iocpf_stop(ioc); - break; - - case IOC_E_ENABLE: - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * Semaphore should be acquired for version check. - */ -static void -bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) -{ - mod_timer(&ioc->ioc_timer, jiffies + - msecs_to_jiffies(BFA_IOC_TOV)); - bfa_ioc_send_getattr(ioc); -} - -/** - * IOC configuration in progress. Timer is active. - */ -static void -bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_FWRSP_GETATTR: - del_timer(&ioc->ioc_timer); - bfa_ioc_check_attr_wwns(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_op); - break; - - case IOC_E_PFFAILED: - case IOC_E_HWERROR: - del_timer(&ioc->ioc_timer); - /* fall through */ - case IOC_E_TIMEOUT: - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); - if (event != IOC_E_PFFAILED) - bfa_iocpf_getattrfail(ioc); - break; - - case IOC_E_DISABLE: - del_timer(&ioc->ioc_timer); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_ENABLE: - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_ioc_sm_op_entry(struct bfa_ioc *ioc) -{ - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); - bfa_ioc_hb_monitor(ioc); -} - -static void -bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLE: - break; - - case IOC_E_DISABLE: - bfa_ioc_hb_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_PFFAILED: - case IOC_E_HWERROR: - bfa_ioc_hb_stop(ioc); - /* !!! fall through !!! */ - case IOC_E_HBFAIL: - bfa_ioc_fail_notify(ioc); - if (ioc->iocpf.auto_recover) - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); - else - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); - - if (event != IOC_E_PFFAILED) - bfa_iocpf_fail(ioc); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) -{ - bfa_iocpf_disable(ioc); -} - -/** - * IOC is being desabled - */ -static void -bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_DISABLED: - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); - break; - - case IOC_E_HWERROR: - /* - * No state change. Will move to disabled state - * after iocpf sm completes failure processing and - * moves to disabled state. - */ - bfa_iocpf_fail(ioc); - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * IOC desable completion entry. - */ -static void -bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) -{ - bfa_ioc_disable_comp(ioc); -} - -static void -bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); - break; - - case IOC_E_DISABLE: - ioc->cbfn->disable_cbfn(ioc->bfa); - break; - - case IOC_E_DETACH: - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - bfa_iocpf_stop(ioc); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) -{ -} - -/** - * Hardware initialization retry. - */ -static void -bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLED: - bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); - break; - - case IOC_E_PFFAILED: - case IOC_E_HWERROR: - /** - * Initialization retry failed. - */ - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - if (event != IOC_E_PFFAILED) - bfa_iocpf_initfail(ioc); - break; - - case IOC_E_INITFAILED: - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); - break; - - case IOC_E_ENABLE: - break; - - case IOC_E_DISABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_DETACH: - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - bfa_iocpf_stop(ioc); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) -{ -} - -/** - * IOC failure. - */ -static void -bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) -{ - switch (event) { - case IOC_E_ENABLE: - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - break; - - case IOC_E_DISABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_DETACH: - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - bfa_iocpf_stop(ioc); - break; - - case IOC_E_HWERROR: - /* HB failure notification, ignore. */ - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * IOCPF State Machine - */ - -/** - * Reset entry actions -- initialize state machine - */ -static void -bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) -{ - iocpf->retry_count = 0; - iocpf->auto_recover = bfa_nw_auto_recover; -} - -/** - * Beginning state. IOC is in reset state. - */ -static void -bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - switch (event) { - case IOCPF_E_ENABLE: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); - break; - - case IOCPF_E_STOP: - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * Semaphore should be acquired for version check. - */ -static void -bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_hw_sem_init(iocpf->ioc); - bfa_ioc_hw_sem_get(iocpf->ioc); -} - -/** - * Awaiting h/w semaphore to continue with version check. - */ -static void -bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_SEMLOCKED: - if (bfa_ioc_firmware_lock(ioc)) { - if (bfa_ioc_sync_start(ioc)) { - iocpf->retry_count = 0; - bfa_ioc_sync_join(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); - } else { - bfa_ioc_firmware_unlock(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - mod_timer(&ioc->sem_timer, jiffies + - msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); - } - } else { - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); - } - break; - - case IOCPF_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - bfa_ioc_pf_disabled(ioc); - break; - - case IOCPF_E_STOP: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * Notify enable completion callback - */ -static void -bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) -{ - /* Call only the first time sm enters fwmismatch state. */ - if (iocpf->retry_count == 0) - bfa_ioc_pf_fwmismatch(iocpf->ioc); - - iocpf->retry_count++; - mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + - msecs_to_jiffies(BFA_IOC_TOV)); -} - -/** - * Awaiting firmware version match. - */ -static void -bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_TIMEOUT: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); - break; - - case IOCPF_E_DISABLE: - del_timer(&ioc->iocpf_timer); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - bfa_ioc_pf_disabled(ioc); - break; - - case IOCPF_E_STOP: - del_timer(&ioc->iocpf_timer); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * Request for semaphore. - */ -static void -bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_hw_sem_get(iocpf->ioc); -} - -/** - * Awaiting semaphore for h/w initialzation. - */ -static void -bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_SEMLOCKED: - if (bfa_ioc_sync_complete(ioc)) { - bfa_ioc_sync_join(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); - } else { - bfa_nw_ioc_hw_sem_release(ioc); - mod_timer(&ioc->sem_timer, jiffies + - msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); - } - break; - - case IOCPF_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) -{ - mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + - msecs_to_jiffies(BFA_IOC_TOV)); - bfa_ioc_reset(iocpf->ioc, 0); -} - -/** - * Hardware is being initialized. Interrupts are enabled. - * Holding hardware semaphore lock. - */ -static void -bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_FWREADY: - del_timer(&ioc->iocpf_timer); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); - break; - - case IOCPF_E_INITFAIL: - del_timer(&ioc->iocpf_timer); - /* - * !!! fall through !!! - */ - - case IOCPF_E_TIMEOUT: - bfa_nw_ioc_hw_sem_release(ioc); - if (event == IOCPF_E_TIMEOUT) - bfa_ioc_pf_failed(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); - break; - - case IOCPF_E_DISABLE: - del_timer(&ioc->iocpf_timer); - bfa_ioc_sync_leave(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) -{ - mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + - msecs_to_jiffies(BFA_IOC_TOV)); - bfa_ioc_send_enable(iocpf->ioc); -} - -/** - * Host IOC function is being enabled, awaiting response from firmware. - * Semaphore is acquired. - */ -static void -bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_FWRSP_ENABLE: - del_timer(&ioc->iocpf_timer); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); - break; - - case IOCPF_E_INITFAIL: - del_timer(&ioc->iocpf_timer); - /* - * !!! fall through !!! - */ - case IOCPF_E_TIMEOUT: - bfa_nw_ioc_hw_sem_release(ioc); - if (event == IOCPF_E_TIMEOUT) - bfa_ioc_pf_failed(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); - break; - - case IOCPF_E_DISABLE: - del_timer(&ioc->iocpf_timer); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); - break; - - case IOCPF_E_FWREADY: - bfa_ioc_send_enable(ioc); - break; - - default: - bfa_sm_fault(event); - } -} - -static bool -bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) -{ - return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); -} - -static void -bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_pf_enabled(iocpf->ioc); -} - -static void -bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_DISABLE: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); - break; - - case IOCPF_E_GETATTRFAIL: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); - break; - - case IOCPF_E_FAIL: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); - break; - - case IOCPF_E_FWREADY: - bfa_ioc_pf_failed(ioc); - if (bfa_nw_ioc_is_operational(ioc)) - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); - else - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) -{ - mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + - msecs_to_jiffies(BFA_IOC_TOV)); - bfa_ioc_send_disable(iocpf->ioc); -} - -/** - * IOC is being disabled - */ -static void -bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_FWRSP_DISABLE: - case IOCPF_E_FWREADY: - del_timer(&ioc->iocpf_timer); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); - break; - - case IOCPF_E_FAIL: - del_timer(&ioc->iocpf_timer); - /* - * !!! fall through !!! - */ - - case IOCPF_E_TIMEOUT: - writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); - break; - - case IOCPF_E_FWRSP_ENABLE: - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_hw_sem_get(iocpf->ioc); -} - -/** - * IOC hb ack request is being removed. - */ -static void -bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_SEMLOCKED: - bfa_ioc_sync_leave(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); - break; - - case IOCPF_E_FAIL: - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * IOC disable completion entry. - */ -static void -bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_mbox_flush(iocpf->ioc); - bfa_ioc_pf_disabled(iocpf->ioc); -} - -static void -bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_ENABLE: - iocpf->retry_count = 0; - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); - break; - - case IOCPF_E_STOP: - bfa_ioc_firmware_unlock(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_hw_sem_get(iocpf->ioc); -} - -/** - * Hardware initialization failed. - */ -static void -bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_SEMLOCKED: - bfa_ioc_notify_fail(ioc); - bfa_ioc_sync_ack(ioc); - iocpf->retry_count++; - if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) { - bfa_ioc_sync_leave(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); - } else { - if (bfa_ioc_sync_complete(ioc)) - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); - else { - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); - } - } - break; - - case IOCPF_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); - break; - - case IOCPF_E_STOP: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_ioc_firmware_unlock(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - break; - - case IOCPF_E_FAIL: - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) -{ - bfa_ioc_pf_initfailed(iocpf->ioc); -} - -/** - * Hardware initialization failed. - */ -static void -bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_DISABLE: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); - break; - - case IOCPF_E_STOP: - bfa_ioc_firmware_unlock(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) -{ - /** - * Mark IOC as failed in hardware and stop firmware. - */ - bfa_ioc_lpu_stop(iocpf->ioc); - - /** - * Flush any queued up mailbox requests. - */ - bfa_ioc_mbox_flush(iocpf->ioc); - bfa_ioc_hw_sem_get(iocpf->ioc); -} - -/** - * IOC is in failed state. - */ -static void -bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - struct bfa_ioc *ioc = iocpf->ioc; - - switch (event) { - case IOCPF_E_SEMLOCKED: - iocpf->retry_count = 0; - bfa_ioc_sync_ack(ioc); - bfa_ioc_notify_fail(ioc); - if (!iocpf->auto_recover) { - bfa_ioc_sync_leave(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); - } else { - if (bfa_ioc_sync_complete(ioc)) - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); - else { - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); - } - } - break; - - case IOCPF_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); - break; - - case IOCPF_E_FAIL: - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) -{ -} - -/** - * @brief - * IOC is in failed state. - */ -static void -bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) -{ - switch (event) { - case IOCPF_E_DISABLE: - bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); - break; - - default: - bfa_sm_fault(event); - } -} - -/** - * BFA IOC private functions - */ - -/** - * Notify common modules registered for notification. - */ -static void -bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event) -{ - struct bfa_ioc_notify *notify; - struct list_head *qe; - - list_for_each(qe, &ioc->notify_q) { - notify = (struct bfa_ioc_notify *)qe; - notify->cbfn(notify->cbarg, event); - } -} - -static void -bfa_ioc_disable_comp(struct bfa_ioc *ioc) -{ - ioc->cbfn->disable_cbfn(ioc->bfa); - bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); -} - -bool -bfa_nw_ioc_sem_get(void __iomem *sem_reg) -{ - u32 r32; - int cnt = 0; -#define BFA_SEM_SPINCNT 3000 - - r32 = readl(sem_reg); - - while (r32 && (cnt < BFA_SEM_SPINCNT)) { - cnt++; - udelay(2); - r32 = readl(sem_reg); - } - - if (r32 == 0) - return true; - - BUG_ON(!(cnt < BFA_SEM_SPINCNT)); - return false; -} - -void -bfa_nw_ioc_sem_release(void __iomem *sem_reg) -{ - writel(1, sem_reg); -} - -static void -bfa_ioc_hw_sem_init(struct bfa_ioc *ioc) -{ - struct bfi_ioc_image_hdr fwhdr; - u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate); - - if (fwstate == BFI_IOC_UNINIT) - return; - - bfa_nw_ioc_fwver_get(ioc, &fwhdr); - - if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) - return; - - writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); - - /* - * Try to lock and then unlock the semaphore. - */ - readl(ioc->ioc_regs.ioc_sem_reg); - writel(1, ioc->ioc_regs.ioc_sem_reg); -} - -static void -bfa_ioc_hw_sem_get(struct bfa_ioc *ioc) -{ - u32 r32; - - /** - * First read to the semaphore register will return 0, subsequent reads - * will return 1. Semaphore is released by writing 1 to the register - */ - r32 = readl(ioc->ioc_regs.ioc_sem_reg); - if (r32 == 0) { - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); - return; - } - - mod_timer(&ioc->sem_timer, jiffies + - msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); -} - -void -bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc) -{ - writel(1, ioc->ioc_regs.ioc_sem_reg); -} - -static void -bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) -{ - del_timer(&ioc->sem_timer); -} - -/** - * @brief - * Initialize LPU local memory (aka secondary memory / SRAM) - */ -static void -bfa_ioc_lmem_init(struct bfa_ioc *ioc) -{ - u32 pss_ctl; - int i; -#define PSS_LMEM_INIT_TIME 10000 - - pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); - pss_ctl &= ~__PSS_LMEM_RESET; - pss_ctl |= __PSS_LMEM_INIT_EN; - - /* - * i2c workaround 12.5khz clock - */ - pss_ctl |= __PSS_I2C_CLK_DIV(3UL); - writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); - - /** - * wait for memory initialization to be complete - */ - i = 0; - do { - pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); - i++; - } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); - - /** - * If memory initialization is not successful, IOC timeout will catch - * such failures. - */ - BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); - - pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); - writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); -} - -static void -bfa_ioc_lpu_start(struct bfa_ioc *ioc) -{ - u32 pss_ctl; - - /** - * Take processor out of reset. - */ - pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); - pss_ctl &= ~__PSS_LPU0_RESET; - - writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); -} - -static void -bfa_ioc_lpu_stop(struct bfa_ioc *ioc) -{ - u32 pss_ctl; - - /** - * Put processors in reset. - */ - pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); - pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); - - writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); -} - -/** - * Get driver and firmware versions. - */ -void -bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) -{ - u32 pgnum; - u32 loff = 0; - int i; - u32 *fwsig = (u32 *) fwhdr; - - pgnum = bfa_ioc_smem_pgnum(ioc, loff); - writel(pgnum, ioc->ioc_regs.host_page_num_fn); - - for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); - i++) { - fwsig[i] = - swab32(readl((loff) + (ioc->ioc_regs.smem_page_start))); - loff += sizeof(u32); - } -} - -/** - * Returns TRUE if same. - */ -bool -bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) -{ - struct bfi_ioc_image_hdr *drv_fwhdr; - int i; - - drv_fwhdr = (struct bfi_ioc_image_hdr *) - bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); - - for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { - if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) - return false; - } - - return true; -} - -/** - * Return true if current running version is valid. Firmware signature and - * execution context (driver/bios) must match. - */ -static bool -bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env) -{ - struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr; - - bfa_nw_ioc_fwver_get(ioc, &fwhdr); - drv_fwhdr = (struct bfi_ioc_image_hdr *) - bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); - - if (fwhdr.signature != drv_fwhdr->signature) - return false; - - if (swab32(fwhdr.param) != boot_env) - return false; - - return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); -} - -/** - * Conditionally flush any pending message from firmware at start. - */ -static void -bfa_ioc_msgflush(struct bfa_ioc *ioc) -{ - u32 r32; - - r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); - if (r32) - writel(1, ioc->ioc_regs.lpu_mbox_cmd); -} - -/** - * @img ioc_init_logic.jpg - */ -static void -bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) -{ - enum bfi_ioc_state ioc_fwstate; - bool fwvalid; - u32 boot_env; - - ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); - - boot_env = BFI_BOOT_LOADER_OS; - - if (force) - ioc_fwstate = BFI_IOC_UNINIT; - - /** - * check if firmware is valid - */ - fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? - false : bfa_ioc_fwver_valid(ioc, boot_env); - - if (!fwvalid) { - bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); - return; - } - - /** - * If hardware initialization is in progress (initialized by other IOC), - * just wait for an initialization completion interrupt. - */ - if (ioc_fwstate == BFI_IOC_INITING) { - ioc->cbfn->reset_cbfn(ioc->bfa); - return; - } - - /** - * If IOC function is disabled and firmware version is same, - * just re-enable IOC. - */ - if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { - /** - * When using MSI-X any pending firmware ready event should - * be flushed. Otherwise MSI-X interrupts are not delivered. - */ - bfa_ioc_msgflush(ioc); - ioc->cbfn->reset_cbfn(ioc->bfa); - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); - return; - } - - /** - * Initialize the h/w for any other states. - */ - bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); -} - -void -bfa_nw_ioc_timeout(void *ioc_arg) -{ - struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; - - bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); -} - -static void -bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len) -{ - u32 *msgp = (u32 *) ioc_msg; - u32 i; - - BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX)); - - /* - * first write msg to mailbox registers - */ - for (i = 0; i < len / sizeof(u32); i++) - writel(cpu_to_le32(msgp[i]), - ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); - - for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) - writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); - - /* - * write 1 to mailbox CMD to trigger LPU event - */ - writel(1, ioc->ioc_regs.hfn_mbox_cmd); - (void) readl(ioc->ioc_regs.hfn_mbox_cmd); -} - -static void -bfa_ioc_send_enable(struct bfa_ioc *ioc) -{ - struct bfi_ioc_ctrl_req enable_req; - struct timeval tv; - - bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, - bfa_ioc_portid(ioc)); - enable_req.ioc_class = ioc->ioc_mc; - do_gettimeofday(&tv); - enable_req.tv_sec = ntohl(tv.tv_sec); - bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); -} - -static void -bfa_ioc_send_disable(struct bfa_ioc *ioc) -{ - struct bfi_ioc_ctrl_req disable_req; - - bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, - bfa_ioc_portid(ioc)); - bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); -} - -static void -bfa_ioc_send_getattr(struct bfa_ioc *ioc) -{ - struct bfi_ioc_getattr_req attr_req; - - bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, - bfa_ioc_portid(ioc)); - bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); - bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); -} - -void -bfa_nw_ioc_hb_check(void *cbarg) -{ - struct bfa_ioc *ioc = cbarg; - u32 hb_count; - - hb_count = readl(ioc->ioc_regs.heartbeat); - if (ioc->hb_count == hb_count) { - bfa_ioc_recover(ioc); - return; - } else { - ioc->hb_count = hb_count; - } - - bfa_ioc_mbox_poll(ioc); - mod_timer(&ioc->hb_timer, jiffies + - msecs_to_jiffies(BFA_IOC_HB_TOV)); -} - -static void -bfa_ioc_hb_monitor(struct bfa_ioc *ioc) -{ - ioc->hb_count = readl(ioc->ioc_regs.heartbeat); - mod_timer(&ioc->hb_timer, jiffies + - msecs_to_jiffies(BFA_IOC_HB_TOV)); -} - -static void -bfa_ioc_hb_stop(struct bfa_ioc *ioc) -{ - del_timer(&ioc->hb_timer); -} - -/** - * @brief - * Initiate a full firmware download. - */ -static void -bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, - u32 boot_env) -{ - u32 *fwimg; - u32 pgnum; - u32 loff = 0; - u32 chunkno = 0; - u32 i; - - /** - * Initialize LMEM first before code download - */ - bfa_ioc_lmem_init(ioc); - - fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); - - pgnum = bfa_ioc_smem_pgnum(ioc, loff); - - writel(pgnum, ioc->ioc_regs.host_page_num_fn); - - for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) { - if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { - chunkno = BFA_IOC_FLASH_CHUNK_NO(i); - fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), - BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); - } - - /** - * write smem - */ - writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])), - ((ioc->ioc_regs.smem_page_start) + (loff))); - - loff += sizeof(u32); - - /** - * handle page offset wrap around - */ - loff = PSS_SMEM_PGOFF(loff); - if (loff == 0) { - pgnum++; - writel(pgnum, - ioc->ioc_regs.host_page_num_fn); - } - } - - writel(bfa_ioc_smem_pgnum(ioc, 0), - ioc->ioc_regs.host_page_num_fn); - - /* - * Set boot type and boot param at the end. - */ - writel(boot_type, ((ioc->ioc_regs.smem_page_start) - + (BFI_BOOT_TYPE_OFF))); - writel(boot_env, ((ioc->ioc_regs.smem_page_start) - + (BFI_BOOT_LOADER_OFF))); -} - -static void -bfa_ioc_reset(struct bfa_ioc *ioc, bool force) -{ - bfa_ioc_hwinit(ioc, force); -} - -/** - * @brief - * Update BFA configuration from firmware configuration. - */ -static void -bfa_ioc_getattr_reply(struct bfa_ioc *ioc) -{ - struct bfi_ioc_attr *attr = ioc->attr; - - attr->adapter_prop = ntohl(attr->adapter_prop); - attr->card_type = ntohl(attr->card_type); - attr->maxfrsize = ntohs(attr->maxfrsize); - - bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); -} - -/** - * Attach time initialization of mbox logic. - */ -static void -bfa_ioc_mbox_attach(struct bfa_ioc *ioc) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - int mc; - - INIT_LIST_HEAD(&mod->cmd_q); - for (mc = 0; mc < BFI_MC_MAX; mc++) { - mod->mbhdlr[mc].cbfn = NULL; - mod->mbhdlr[mc].cbarg = ioc->bfa; - } -} - -/** - * Mbox poll timer -- restarts any pending mailbox requests. - */ -static void -bfa_ioc_mbox_poll(struct bfa_ioc *ioc) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - struct bfa_mbox_cmd *cmd; - u32 stat; - - /** - * If no command pending, do nothing - */ - if (list_empty(&mod->cmd_q)) - return; - - /** - * If previous command is not yet fetched by firmware, do nothing - */ - stat = readl(ioc->ioc_regs.hfn_mbox_cmd); - if (stat) - return; - - /** - * Enqueue command to firmware. - */ - bfa_q_deq(&mod->cmd_q, &cmd); - bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); -} - -/** - * Cleanup any pending requests. - */ -static void -bfa_ioc_mbox_flush(struct bfa_ioc *ioc) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - struct bfa_mbox_cmd *cmd; - - while (!list_empty(&mod->cmd_q)) - bfa_q_deq(&mod->cmd_q, &cmd); -} - -static void -bfa_ioc_fail_notify(struct bfa_ioc *ioc) -{ - /** - * Notify driver and common modules registered for notification. - */ - ioc->cbfn->hbfail_cbfn(ioc->bfa); - bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); -} - -static void -bfa_ioc_pf_enabled(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(ioc, IOC_E_ENABLED); -} - -static void -bfa_ioc_pf_disabled(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(ioc, IOC_E_DISABLED); -} - -static void -bfa_ioc_pf_initfailed(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(ioc, IOC_E_INITFAILED); -} - -static void -bfa_ioc_pf_failed(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(ioc, IOC_E_PFFAILED); -} - -static void -bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) -{ - /** - * Provide enable completion callback and AEN notification. - */ - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); -} - -/** - * IOC public - */ -static enum bfa_status -bfa_ioc_pll_init(struct bfa_ioc *ioc) -{ - /* - * Hold semaphore so that nobody can access the chip during init. - */ - bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); - - bfa_ioc_pll_init_asic(ioc); - - ioc->pllinit = true; - /* - * release semaphore. - */ - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); - - return BFA_STATUS_OK; -} - -/** - * Interface used by diag module to do firmware boot with memory test - * as the entry vector. - */ -static void -bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env) -{ - void __iomem *rb; - - bfa_ioc_stats(ioc, ioc_boots); - - if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) - return; - - /** - * Initialize IOC state of all functions on a chip reset. - */ - rb = ioc->pcidev.pci_bar_kva; - if (boot_type == BFI_BOOT_TYPE_MEMTEST) { - writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG)); - writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG)); - } else { - writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG)); - writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG)); - } - - bfa_ioc_msgflush(ioc); - bfa_ioc_download_fw(ioc, boot_type, boot_env); - - /** - * Enable interrupts just before starting LPU - */ - ioc->cbfn->reset_cbfn(ioc->bfa); - bfa_ioc_lpu_start(ioc); -} - -/** - * Enable/disable IOC failure auto recovery. - */ -void -bfa_nw_ioc_auto_recover(bool auto_recover) -{ - bfa_nw_auto_recover = auto_recover; -} - -static void -bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg) -{ - u32 *msgp = mbmsg; - u32 r32; - int i; - - /** - * read the MBOX msg - */ - for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); - i++) { - r32 = readl(ioc->ioc_regs.lpu_mbox + - i * sizeof(u32)); - msgp[i] = htonl(r32); - } - - /** - * turn off mailbox interrupt by clearing mailbox status - */ - writel(1, ioc->ioc_regs.lpu_mbox_cmd); - readl(ioc->ioc_regs.lpu_mbox_cmd); -} - -static void -bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) -{ - union bfi_ioc_i2h_msg_u *msg; - struct bfa_iocpf *iocpf = &ioc->iocpf; - - msg = (union bfi_ioc_i2h_msg_u *) m; - - bfa_ioc_stats(ioc, ioc_isrs); - - switch (msg->mh.msg_id) { - case BFI_IOC_I2H_HBEAT: - break; - - case BFI_IOC_I2H_READY_EVENT: - bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY); - break; - - case BFI_IOC_I2H_ENABLE_REPLY: - bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); - break; - - case BFI_IOC_I2H_DISABLE_REPLY: - bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); - break; - - case BFI_IOC_I2H_GETATTR_REPLY: - bfa_ioc_getattr_reply(ioc); - break; - - default: - BUG_ON(1); - } -} - -/** - * IOC attach time initialization and setup. - * - * @param[in] ioc memory for IOC - * @param[in] bfa driver instance structure - */ -void -bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) -{ - ioc->bfa = bfa; - ioc->cbfn = cbfn; - ioc->fcmode = false; - ioc->pllinit = false; - ioc->dbg_fwsave_once = true; - ioc->iocpf.ioc = ioc; - - bfa_ioc_mbox_attach(ioc); - INIT_LIST_HEAD(&ioc->notify_q); - - bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); - bfa_fsm_send_event(ioc, IOC_E_RESET); -} - -/** - * Driver detach time IOC cleanup. - */ -void -bfa_nw_ioc_detach(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(ioc, IOC_E_DETACH); -} - -/** - * Setup IOC PCI properties. - * - * @param[in] pcidev PCI device information for this IOC - */ -void -bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, - enum bfi_mclass mc) -{ - ioc->ioc_mc = mc; - ioc->pcidev = *pcidev; - ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id); - ioc->cna = ioc->ctdev && !ioc->fcmode; - - bfa_nw_ioc_set_ct_hwif(ioc); - - bfa_ioc_map_port(ioc); - bfa_ioc_reg_init(ioc); -} - -/** - * Initialize IOC dma memory - * - * @param[in] dm_kva kernel virtual address of IOC dma memory - * @param[in] dm_pa physical address of IOC dma memory - */ -void -bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) -{ - /** - * dma memory for firmware attribute - */ - ioc->attr_dma.kva = dm_kva; - ioc->attr_dma.pa = dm_pa; - ioc->attr = (struct bfi_ioc_attr *) dm_kva; -} - -/** - * Return size of dma memory required. - */ -u32 -bfa_nw_ioc_meminfo(void) -{ - return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ); -} - -void -bfa_nw_ioc_enable(struct bfa_ioc *ioc) -{ - bfa_ioc_stats(ioc, ioc_enables); - ioc->dbg_fwsave_once = true; - - bfa_fsm_send_event(ioc, IOC_E_ENABLE); -} - -void -bfa_nw_ioc_disable(struct bfa_ioc *ioc) -{ - bfa_ioc_stats(ioc, ioc_disables); - bfa_fsm_send_event(ioc, IOC_E_DISABLE); -} - -static u32 -bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) -{ - return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); -} - -/** - * Register mailbox message handler function, to be called by common modules - */ -void -bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, - bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - - mod->mbhdlr[mc].cbfn = cbfn; - mod->mbhdlr[mc].cbarg = cbarg; -} - -/** - * Queue a mailbox command request to firmware. Waits if mailbox is busy. - * Responsibility of caller to serialize - * - * @param[in] ioc IOC instance - * @param[i] cmd Mailbox command - */ -void -bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - u32 stat; - - /** - * If a previous command is pending, queue new command - */ - if (!list_empty(&mod->cmd_q)) { - list_add_tail(&cmd->qe, &mod->cmd_q); - return; - } - - /** - * If mailbox is busy, queue command for poll timer - */ - stat = readl(ioc->ioc_regs.hfn_mbox_cmd); - if (stat) { - list_add_tail(&cmd->qe, &mod->cmd_q); - return; - } - - /** - * mailbox is free -- queue command to firmware - */ - bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); - - return; -} - -/** - * Handle mailbox interrupts - */ -void -bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) -{ - struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; - struct bfi_mbmsg m; - int mc; - - bfa_ioc_msgget(ioc, &m); - - /** - * Treat IOC message class as special. - */ - mc = m.mh.msg_class; - if (mc == BFI_MC_IOC) { - bfa_ioc_isr(ioc, &m); - return; - } - - if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) - return; - - mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); -} - -void -bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) -{ - bfa_ioc_stats(ioc, ioc_hbfails); - bfa_ioc_stats_hb_count(ioc, ioc->hb_count); - bfa_fsm_send_event(ioc, IOC_E_HWERROR); -} - -/** - * return true if IOC is disabled - */ -bool -bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) -{ - return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || - bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); -} - -/** - * Add to IOC heartbeat failure notification queue. To be used by common - * modules such as cee, port, diag. - */ -void -bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, - struct bfa_ioc_notify *notify) -{ - list_add_tail(¬ify->qe, &ioc->notify_q); -} - -#define BFA_MFG_NAME "Brocade" -static void -bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc, - struct bfa_adapter_attr *ad_attr) -{ - struct bfi_ioc_attr *ioc_attr; - - ioc_attr = ioc->attr; - - bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); - bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); - bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); - bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); - memcpy(&ad_attr->vpd, &ioc_attr->vpd, - sizeof(struct bfa_mfg_vpd)); - - ad_attr->nports = bfa_ioc_get_nports(ioc); - ad_attr->max_speed = bfa_ioc_speed_sup(ioc); - - bfa_ioc_get_adapter_model(ioc, ad_attr->model); - /* For now, model descr uses same model string */ - bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); - - ad_attr->card_type = ioc_attr->card_type; - ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); - - if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) - ad_attr->prototype = 1; - else - ad_attr->prototype = 0; - - ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); - ad_attr->mac = bfa_nw_ioc_get_mac(ioc); - - ad_attr->pcie_gen = ioc_attr->pcie_gen; - ad_attr->pcie_lanes = ioc_attr->pcie_lanes; - ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; - ad_attr->asic_rev = ioc_attr->asic_rev; - - bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); - - ad_attr->cna_capable = ioc->cna; - ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna; -} - -static enum bfa_ioc_type -bfa_ioc_get_type(struct bfa_ioc *ioc) -{ - if (!ioc->ctdev || ioc->fcmode) - return BFA_IOC_TYPE_FC; - else if (ioc->ioc_mc == BFI_MC_IOCFC) - return BFA_IOC_TYPE_FCoE; - else if (ioc->ioc_mc == BFI_MC_LL) - return BFA_IOC_TYPE_LL; - else { - BUG_ON(!(ioc->ioc_mc == BFI_MC_LL)); - return BFA_IOC_TYPE_LL; - } -} - -static void -bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num) -{ - memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); - memcpy(serial_num, - (void *)ioc->attr->brcd_serialnum, - BFA_ADAPTER_SERIAL_NUM_LEN); -} - -static void -bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver) -{ - memset(fw_ver, 0, BFA_VERSION_LEN); - memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); -} - -static void -bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev) -{ - BUG_ON(!(chip_rev)); - - memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN); - - chip_rev[0] = 'R'; - chip_rev[1] = 'e'; - chip_rev[2] = 'v'; - chip_rev[3] = '-'; - chip_rev[4] = ioc->attr->asic_rev; - chip_rev[5] = '\0'; -} - -static void -bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver) -{ - memset(optrom_ver, 0, BFA_VERSION_LEN); - memcpy(optrom_ver, ioc->attr->optrom_version, - BFA_VERSION_LEN); -} - -static void -bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer) -{ - memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); - memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); -} - -static void -bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model) -{ - struct bfi_ioc_attr *ioc_attr; - - BUG_ON(!(model)); - memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN); - - ioc_attr = ioc->attr; - - /** - * model name - */ - snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", - BFA_MFG_NAME, ioc_attr->card_type); -} - -static enum bfa_ioc_state -bfa_ioc_get_state(struct bfa_ioc *ioc) -{ - enum bfa_iocpf_state iocpf_st; - enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); - - if (ioc_st == BFA_IOC_ENABLING || - ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { - - iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); - - switch (iocpf_st) { - case BFA_IOCPF_SEMWAIT: - ioc_st = BFA_IOC_SEMWAIT; - break; - - case BFA_IOCPF_HWINIT: - ioc_st = BFA_IOC_HWINIT; - break; - - case BFA_IOCPF_FWMISMATCH: - ioc_st = BFA_IOC_FWMISMATCH; - break; - - case BFA_IOCPF_FAIL: - ioc_st = BFA_IOC_FAIL; - break; - - case BFA_IOCPF_INITFAIL: - ioc_st = BFA_IOC_INITFAIL; - break; - - default: - break; - } - } - return ioc_st; -} - -void -bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) -{ - memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr)); - - ioc_attr->state = bfa_ioc_get_state(ioc); - ioc_attr->port_id = ioc->port_id; - - ioc_attr->ioc_type = bfa_ioc_get_type(ioc); - - bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); - - ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; - ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; - bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); -} - -/** - * WWN public - */ -static u64 -bfa_ioc_get_pwwn(struct bfa_ioc *ioc) -{ - return ioc->attr->pwwn; -} - -mac_t -bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) -{ - return ioc->attr->mac; -} - -/** - * Firmware failure detected. Start recovery actions. - */ -static void -bfa_ioc_recover(struct bfa_ioc *ioc) -{ - pr_crit("Heart Beat of IOC has failed\n"); - bfa_ioc_stats(ioc, ioc_hbfails); - bfa_ioc_stats_hb_count(ioc, ioc->hb_count); - bfa_fsm_send_event(ioc, IOC_E_HBFAIL); -} - -static void -bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc) -{ - if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) - return; -} - -/** - * @dg hal_iocpf_pvt BFA IOC PF private functions - * @{ - */ - -static void -bfa_iocpf_enable(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); -} - -static void -bfa_iocpf_disable(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); -} - -static void -bfa_iocpf_fail(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); -} - -static void -bfa_iocpf_initfail(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); -} - -static void -bfa_iocpf_getattrfail(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); -} - -static void -bfa_iocpf_stop(struct bfa_ioc *ioc) -{ - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); -} - -void -bfa_nw_iocpf_timeout(void *ioc_arg) -{ - struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; - - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); -} - -void -bfa_nw_iocpf_sem_timeout(void *ioc_arg) -{ - struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; - - bfa_ioc_hw_sem_get(ioc); -} diff --git a/drivers/net/bna/bfa_ioc.h b/drivers/net/bna/bfa_ioc.h deleted file mode 100644 index bda866ba6e90..000000000000 --- a/drivers/net/bna/bfa_ioc.h +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __BFA_IOC_H__ -#define __BFA_IOC_H__ - -#include "bfa_cs.h" -#include "bfi.h" -#include "cna.h" - -#define BFA_IOC_TOV 3000 /* msecs */ -#define BFA_IOC_HWSEM_TOV 500 /* msecs */ -#define BFA_IOC_HB_TOV 500 /* msecs */ -#define BFA_IOC_HWINIT_MAX 5 - -/** - * PCI device information required by IOC - */ -struct bfa_pcidev { - int pci_slot; - u8 pci_func; - u16 device_id; - void __iomem *pci_bar_kva; -}; - -/** - * Structure used to remember the DMA-able memory block's KVA and Physical - * Address - */ -struct bfa_dma { - void *kva; /* ! Kernel virtual address */ - u64 pa; /* ! Physical address */ -}; - -#define BFA_DMA_ALIGN_SZ 256 - -/** - * smem size for Crossbow and Catapult - */ -#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */ -#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */ - -/** - * @brief BFA dma address assignment macro. (big endian format) - */ -#define bfa_dma_be_addr_set(dma_addr, pa) \ - __bfa_dma_be_addr_set(&dma_addr, (u64)pa) -static inline void -__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa) -{ - dma_addr->a32.addr_lo = (u32) htonl(pa); - dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa)); -} - -struct bfa_ioc_regs { - void __iomem *hfn_mbox_cmd; - void __iomem *hfn_mbox; - void __iomem *lpu_mbox_cmd; - void __iomem *lpu_mbox; - void __iomem *pss_ctl_reg; - void __iomem *pss_err_status_reg; - void __iomem *app_pll_fast_ctl_reg; - void __iomem *app_pll_slow_ctl_reg; - void __iomem *ioc_sem_reg; - void __iomem *ioc_usage_sem_reg; - void __iomem *ioc_init_sem_reg; - void __iomem *ioc_usage_reg; - void __iomem *host_page_num_fn; - void __iomem *heartbeat; - void __iomem *ioc_fwstate; - void __iomem *alt_ioc_fwstate; - void __iomem *ll_halt; - void __iomem *alt_ll_halt; - void __iomem *err_set; - void __iomem *ioc_fail_sync; - void __iomem *shirq_isr_next; - void __iomem *shirq_msk_next; - void __iomem *smem_page_start; - u32 smem_pg0; -}; - -/** - * IOC Mailbox structures - */ -typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg); -struct bfa_mbox_cmd { - struct list_head qe; - bfa_mbox_cmd_cbfn_t cbfn; - void *cbarg; - u32 msg[BFI_IOC_MSGSZ]; -}; - -/** - * IOC mailbox module - */ -typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m); -struct bfa_ioc_mbox_mod { - struct list_head cmd_q; /*!< pending mbox queue */ - int nmclass; /*!< number of handlers */ - struct { - bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */ - void *cbarg; - } mbhdlr[BFI_MC_MAX]; -}; - -/** - * IOC callback function interfaces - */ -typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); -typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); -typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); -typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa); -struct bfa_ioc_cbfn { - bfa_ioc_enable_cbfn_t enable_cbfn; - bfa_ioc_disable_cbfn_t disable_cbfn; - bfa_ioc_hbfail_cbfn_t hbfail_cbfn; - bfa_ioc_reset_cbfn_t reset_cbfn; -}; - -/** - * IOC event notification mechanism. - */ -enum bfa_ioc_event { - BFA_IOC_E_ENABLED = 1, - BFA_IOC_E_DISABLED = 2, - BFA_IOC_E_FAILED = 3, -}; - -typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event); - -struct bfa_ioc_notify { - struct list_head qe; - bfa_ioc_notify_cbfn_t cbfn; - void *cbarg; -}; - -/** - * Heartbeat failure notification queue element. - */ -struct bfa_ioc_hbfail_notify { - struct list_head qe; - bfa_ioc_hbfail_cbfn_t cbfn; - void *cbarg; -}; - -/** - * Initialize a heartbeat failure notification structure - */ -#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \ - (__notify)->cbfn = (__cbfn); \ - (__notify)->cbarg = (__cbarg); \ -} while (0) - -struct bfa_iocpf { - bfa_fsm_t fsm; - struct bfa_ioc *ioc; - u32 retry_count; - bool auto_recover; -}; - -struct bfa_ioc { - bfa_fsm_t fsm; - struct bfa *bfa; - struct bfa_pcidev pcidev; - struct timer_list ioc_timer; - struct timer_list iocpf_timer; - struct timer_list sem_timer; - struct timer_list hb_timer; - u32 hb_count; - struct list_head notify_q; - void *dbg_fwsave; - int dbg_fwsave_len; - bool dbg_fwsave_once; - enum bfi_mclass ioc_mc; - struct bfa_ioc_regs ioc_regs; - struct bfa_ioc_drv_stats stats; - bool fcmode; - bool ctdev; - bool cna; - bool pllinit; - bool stats_busy; /*!< outstanding stats */ - u8 port_id; - - struct bfa_dma attr_dma; - struct bfi_ioc_attr *attr; - struct bfa_ioc_cbfn *cbfn; - struct bfa_ioc_mbox_mod mbox_mod; - struct bfa_ioc_hwif *ioc_hwif; - struct bfa_iocpf iocpf; -}; - -struct bfa_ioc_hwif { - enum bfa_status (*ioc_pll_init) (void __iomem *rb, bool fcmode); - bool (*ioc_firmware_lock) (struct bfa_ioc *ioc); - void (*ioc_firmware_unlock) (struct bfa_ioc *ioc); - void (*ioc_reg_init) (struct bfa_ioc *ioc); - void (*ioc_map_port) (struct bfa_ioc *ioc); - void (*ioc_isr_mode_set) (struct bfa_ioc *ioc, - bool msix); - void (*ioc_notify_fail) (struct bfa_ioc *ioc); - void (*ioc_ownership_reset) (struct bfa_ioc *ioc); - bool (*ioc_sync_start) (struct bfa_ioc *ioc); - void (*ioc_sync_join) (struct bfa_ioc *ioc); - void (*ioc_sync_leave) (struct bfa_ioc *ioc); - void (*ioc_sync_ack) (struct bfa_ioc *ioc); - bool (*ioc_sync_complete) (struct bfa_ioc *ioc); -}; - -#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func) -#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id) -#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva) -#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) -#define bfa_ioc_fetch_stats(__ioc, __stats) \ - (((__stats)->drv_stats) = (__ioc)->stats) -#define bfa_ioc_clr_stats(__ioc) \ - memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats)) -#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize) -#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit) -#define bfa_ioc_speed_sup(__ioc) \ - BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop) -#define bfa_ioc_get_nports(__ioc) \ - BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop) - -#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++) -#define bfa_ioc_stats_hb_count(_ioc, _hb_count) \ - ((_ioc)->stats.hb_count = (_hb_count)) -#define BFA_IOC_FWIMG_MINSZ (16 * 1024) -#define BFA_IOC_FWIMG_TYPE(__ioc) \ - (((__ioc)->ctdev) ? \ - (((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) : \ - BFI_IMAGE_CB_FC) -#define BFA_IOC_FW_SMEM_SIZE(__ioc) \ - (((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE) -#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS) -#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) -#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) - -/** - * IOC mailbox interface - */ -void bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd); -void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc); -void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, - bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); - -/** - * IOC interfaces - */ - -#define bfa_ioc_pll_init_asic(__ioc) \ - ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \ - (__ioc)->fcmode)) - -#define bfa_ioc_isr_mode_set(__ioc, __msix) \ - ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix)) -#define bfa_ioc_ownership_reset(__ioc) \ - ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc)) - -void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc); - -void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, - struct bfa_ioc_cbfn *cbfn); -void bfa_nw_ioc_auto_recover(bool auto_recover); -void bfa_nw_ioc_detach(struct bfa_ioc *ioc); -void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, - enum bfi_mclass mc); -u32 bfa_nw_ioc_meminfo(void); -void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa); -void bfa_nw_ioc_enable(struct bfa_ioc *ioc); -void bfa_nw_ioc_disable(struct bfa_ioc *ioc); - -void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc); -bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc); -void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr); -void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, - struct bfa_ioc_notify *notify); -bool bfa_nw_ioc_sem_get(void __iomem *sem_reg); -void bfa_nw_ioc_sem_release(void __iomem *sem_reg); -void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc); -void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, - struct bfi_ioc_image_hdr *fwhdr); -bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, - struct bfi_ioc_image_hdr *fwhdr); -mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc); - -/* - * Timeout APIs - */ -void bfa_nw_ioc_timeout(void *ioc); -void bfa_nw_ioc_hb_check(void *ioc); -void bfa_nw_iocpf_timeout(void *ioc); -void bfa_nw_iocpf_sem_timeout(void *ioc); - -/* - * F/W Image Size & Chunk - */ -u32 *bfa_cb_image_get_chunk(int type, u32 off); -u32 bfa_cb_image_get_size(int type); - -#endif /* __BFA_IOC_H__ */ diff --git a/drivers/net/bna/bfa_ioc_ct.c b/drivers/net/bna/bfa_ioc_ct.c deleted file mode 100644 index 209f1f320343..000000000000 --- a/drivers/net/bna/bfa_ioc_ct.c +++ /dev/null @@ -1,512 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#include "bfa_ioc.h" -#include "cna.h" -#include "bfi.h" -#include "bfi_reg.h" -#include "bfa_defs.h" - -#define bfa_ioc_ct_sync_pos(__ioc) \ - ((u32) (1 << bfa_ioc_pcifn(__ioc))) -#define BFA_IOC_SYNC_REQD_SH 16 -#define bfa_ioc_ct_get_sync_ackd(__val) (__val & 0x0000ffff) -#define bfa_ioc_ct_clear_sync_ackd(__val) (__val & 0xffff0000) -#define bfa_ioc_ct_get_sync_reqd(__val) (__val >> BFA_IOC_SYNC_REQD_SH) -#define bfa_ioc_ct_sync_reqd_pos(__ioc) \ - (bfa_ioc_ct_sync_pos(__ioc) << BFA_IOC_SYNC_REQD_SH) - -/* - * forward declarations - */ -static bool bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc); -static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc); -static void bfa_ioc_ct_reg_init(struct bfa_ioc *ioc); -static void bfa_ioc_ct_map_port(struct bfa_ioc *ioc); -static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix); -static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc); -static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc); -static bool bfa_ioc_ct_sync_start(struct bfa_ioc *ioc); -static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc); -static void bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc); -static void bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc); -static bool bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc); -static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode); - -static struct bfa_ioc_hwif nw_hwif_ct; - -static void -bfa_ioc_set_ctx_hwif(struct bfa_ioc *ioc, struct bfa_ioc_hwif *hwif) -{ - hwif->ioc_firmware_lock = bfa_ioc_ct_firmware_lock; - hwif->ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock; - hwif->ioc_notify_fail = bfa_ioc_ct_notify_fail; - hwif->ioc_ownership_reset = bfa_ioc_ct_ownership_reset; - hwif->ioc_sync_start = bfa_ioc_ct_sync_start; - hwif->ioc_sync_join = bfa_ioc_ct_sync_join; - hwif->ioc_sync_leave = bfa_ioc_ct_sync_leave; - hwif->ioc_sync_ack = bfa_ioc_ct_sync_ack; - hwif->ioc_sync_complete = bfa_ioc_ct_sync_complete; -} - -/** - * Called from bfa_ioc_attach() to map asic specific calls. - */ -void -bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc) -{ - bfa_ioc_set_ctx_hwif(ioc, &nw_hwif_ct); - - nw_hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init; - nw_hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init; - nw_hwif_ct.ioc_map_port = bfa_ioc_ct_map_port; - nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set; - ioc->ioc_hwif = &nw_hwif_ct; -} - -/** - * Return true if firmware of current driver matches the running firmware. - */ -static bool -bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc) -{ - enum bfi_ioc_state ioc_fwstate; - u32 usecnt; - struct bfi_ioc_image_hdr fwhdr; - - /** - * If bios boot (flash based) -- do not increment usage count - */ - if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < - BFA_IOC_FWIMG_MINSZ) - return true; - - bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); - usecnt = readl(ioc->ioc_regs.ioc_usage_reg); - - /** - * If usage count is 0, always return TRUE. - */ - if (usecnt == 0) { - writel(1, ioc->ioc_regs.ioc_usage_reg); - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); - writel(0, ioc->ioc_regs.ioc_fail_sync); - return true; - } - - ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); - - /** - * Use count cannot be non-zero and chip in uninitialized state. - */ - BUG_ON(!(ioc_fwstate != BFI_IOC_UNINIT)); - - /** - * Check if another driver with a different firmware is active - */ - bfa_nw_ioc_fwver_get(ioc, &fwhdr); - if (!bfa_nw_ioc_fwver_cmp(ioc, &fwhdr)) { - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); - return false; - } - - /** - * Same firmware version. Increment the reference count. - */ - usecnt++; - writel(usecnt, ioc->ioc_regs.ioc_usage_reg); - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); - return true; -} - -static void -bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc) -{ - u32 usecnt; - - /** - * If bios boot (flash based) -- do not decrement usage count - */ - if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < - BFA_IOC_FWIMG_MINSZ) - return; - - /** - * decrement usage count - */ - bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); - usecnt = readl(ioc->ioc_regs.ioc_usage_reg); - BUG_ON(!(usecnt > 0)); - - usecnt--; - writel(usecnt, ioc->ioc_regs.ioc_usage_reg); - - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); -} - -/** - * Notify other functions on HB failure. - */ -static void -bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc) -{ - if (ioc->cna) { - writel(__FW_INIT_HALT_P, ioc->ioc_regs.ll_halt); - writel(__FW_INIT_HALT_P, ioc->ioc_regs.alt_ll_halt); - /* Wait for halt to take effect */ - readl(ioc->ioc_regs.ll_halt); - readl(ioc->ioc_regs.alt_ll_halt); - } else { - writel(~0U, ioc->ioc_regs.err_set); - readl(ioc->ioc_regs.err_set); - } -} - -/** - * Host to LPU mailbox message addresses - */ -static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = { - { HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 }, - { HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 }, - { HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2 }, - { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 } -}; - -/** - * Host <-> LPU mailbox command/status registers - port 0 - */ -static struct { u32 hfn, lpu; } ct_p0reg[] = { - { HOSTFN0_LPU0_CMD_STAT, LPU0_HOSTFN0_CMD_STAT }, - { HOSTFN1_LPU0_CMD_STAT, LPU0_HOSTFN1_CMD_STAT }, - { HOSTFN2_LPU0_CMD_STAT, LPU0_HOSTFN2_CMD_STAT }, - { HOSTFN3_LPU0_CMD_STAT, LPU0_HOSTFN3_CMD_STAT } -}; - -/** - * Host <-> LPU mailbox command/status registers - port 1 - */ -static struct { u32 hfn, lpu; } ct_p1reg[] = { - { HOSTFN0_LPU1_CMD_STAT, LPU1_HOSTFN0_CMD_STAT }, - { HOSTFN1_LPU1_CMD_STAT, LPU1_HOSTFN1_CMD_STAT }, - { HOSTFN2_LPU1_CMD_STAT, LPU1_HOSTFN2_CMD_STAT }, - { HOSTFN3_LPU1_CMD_STAT, LPU1_HOSTFN3_CMD_STAT } -}; - -static void -bfa_ioc_ct_reg_init(struct bfa_ioc *ioc) -{ - void __iomem *rb; - int pcifn = bfa_ioc_pcifn(ioc); - - rb = bfa_ioc_bar0(ioc); - - ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox; - ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox; - ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn; - - if (ioc->port_id == 0) { - ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; - ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; - ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; - ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p0reg[pcifn].hfn; - ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p0reg[pcifn].lpu; - ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0; - ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P1; - } else { - ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); - ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); - ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC0_STATE_REG; - ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p1reg[pcifn].hfn; - ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p1reg[pcifn].lpu; - ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1; - ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P0; - } - - /* - * PSS control registers - */ - ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG); - ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG); - ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_LCLK_CTL_REG); - ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_SCLK_CTL_REG); - - /* - * IOC semaphore registers and serialization - */ - ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG); - ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG); - ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG); - ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT); - ioc->ioc_regs.ioc_fail_sync = (rb + BFA_IOC_FAIL_SYNC); - - /** - * sram memory access - */ - ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START); - ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT; - - /* - * err set reg : for notification of hb failure in fcmode - */ - ioc->ioc_regs.err_set = (rb + ERR_SET_REG); -} - -/** - * Initialize IOC to port mapping. - */ - -#define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8) -static void -bfa_ioc_ct_map_port(struct bfa_ioc *ioc) -{ - void __iomem *rb = ioc->pcidev.pci_bar_kva; - u32 r32; - - /** - * For catapult, base port id on personality register and IOC type - */ - r32 = readl(rb + FNC_PERS_REG); - r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)); - ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH; - -} - -/** - * Set interrupt mode for a function: INTX or MSIX - */ -static void -bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix) -{ - void __iomem *rb = ioc->pcidev.pci_bar_kva; - u32 r32, mode; - - r32 = readl(rb + FNC_PERS_REG); - - mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) & - __F0_INTX_STATUS; - - /** - * If already in desired mode, do not change anything - */ - if ((!msix && mode) || (msix && !mode)) - return; - - if (msix) - mode = __F0_INTX_STATUS_MSIX; - else - mode = __F0_INTX_STATUS_INTA; - - r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); - r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); - - writel(r32, rb + FNC_PERS_REG); -} - -/** - * Cleanup hw semaphore and usecnt registers - */ -static void -bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc) -{ - if (ioc->cna) { - bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); - writel(0, ioc->ioc_regs.ioc_usage_reg); - bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); - } - - /* - * Read the hw sem reg to make sure that it is locked - * before we clear it. If it is not locked, writing 1 - * will lock it instead of clearing it. - */ - readl(ioc->ioc_regs.ioc_sem_reg); - bfa_nw_ioc_hw_sem_release(ioc); -} - -/** - * Synchronized IOC failure processing routines - */ -static bool -bfa_ioc_ct_sync_start(struct bfa_ioc *ioc) -{ - u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); - u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32); - - /* - * Driver load time. If the sync required bit for this PCI fn - * is set, it is due to an unclean exit by the driver for this - * PCI fn in the previous incarnation. Whoever comes here first - * should clean it up, no matter which PCI fn. - */ - - if (sync_reqd & bfa_ioc_ct_sync_pos(ioc)) { - writel(0, ioc->ioc_regs.ioc_fail_sync); - writel(1, ioc->ioc_regs.ioc_usage_reg); - writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); - writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate); - return true; - } - - return bfa_ioc_ct_sync_complete(ioc); -} -/** - * Synchronized IOC failure processing routines - */ -static void -bfa_ioc_ct_sync_join(struct bfa_ioc *ioc) -{ - u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); - u32 sync_pos = bfa_ioc_ct_sync_reqd_pos(ioc); - - writel((r32 | sync_pos), ioc->ioc_regs.ioc_fail_sync); -} - -static void -bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc) -{ - u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); - u32 sync_msk = bfa_ioc_ct_sync_reqd_pos(ioc) | - bfa_ioc_ct_sync_pos(ioc); - - writel((r32 & ~sync_msk), ioc->ioc_regs.ioc_fail_sync); -} - -static void -bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc) -{ - u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); - - writel((r32 | bfa_ioc_ct_sync_pos(ioc)), ioc->ioc_regs.ioc_fail_sync); -} - -static bool -bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc) -{ - u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); - u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32); - u32 sync_ackd = bfa_ioc_ct_get_sync_ackd(r32); - u32 tmp_ackd; - - if (sync_ackd == 0) - return true; - - /** - * The check below is to see whether any other PCI fn - * has reinitialized the ASIC (reset sync_ackd bits) - * and failed again while this IOC was waiting for hw - * semaphore (in bfa_iocpf_sm_semwait()). - */ - tmp_ackd = sync_ackd; - if ((sync_reqd & bfa_ioc_ct_sync_pos(ioc)) && - !(sync_ackd & bfa_ioc_ct_sync_pos(ioc))) - sync_ackd |= bfa_ioc_ct_sync_pos(ioc); - - if (sync_reqd == sync_ackd) { - writel(bfa_ioc_ct_clear_sync_ackd(r32), - ioc->ioc_regs.ioc_fail_sync); - writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); - writel(BFI_IOC_FAIL, ioc->ioc_regs.alt_ioc_fwstate); - return true; - } - - /** - * If another PCI fn reinitialized and failed again while - * this IOC was waiting for hw sem, the sync_ackd bit for - * this IOC need to be set again to allow reinitialization. - */ - if (tmp_ackd != sync_ackd) - writel((r32 | sync_ackd), ioc->ioc_regs.ioc_fail_sync); - - return false; -} - -static enum bfa_status -bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode) -{ - u32 pll_sclk, pll_fclk, r32; - - pll_sclk = __APP_PLL_SCLK_LRESETN | __APP_PLL_SCLK_ENARST | - __APP_PLL_SCLK_RSEL200500 | __APP_PLL_SCLK_P0_1(3U) | - __APP_PLL_SCLK_JITLMT0_1(3U) | - __APP_PLL_SCLK_CNTLMT0_1(1U); - pll_fclk = __APP_PLL_LCLK_LRESETN | __APP_PLL_LCLK_ENARST | - __APP_PLL_LCLK_RSEL200500 | __APP_PLL_LCLK_P0_1(3U) | - __APP_PLL_LCLK_JITLMT0_1(3U) | - __APP_PLL_LCLK_CNTLMT0_1(1U); - - if (fcmode) { - writel(0, (rb + OP_MODE)); - writel(__APP_EMS_CMLCKSEL | - __APP_EMS_REFCKBUFEN2 | - __APP_EMS_CHANNEL_SEL, - (rb + ETH_MAC_SER_REG)); - } else { - writel(__GLOBAL_FCOE_MODE, (rb + OP_MODE)); - writel(__APP_EMS_REFCKBUFEN1, - (rb + ETH_MAC_SER_REG)); - } - writel(BFI_IOC_UNINIT, (rb + BFA_IOC0_STATE_REG)); - writel(BFI_IOC_UNINIT, (rb + BFA_IOC1_STATE_REG)); - writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); - writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); - writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); - writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); - writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); - writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); - writel(pll_sclk | - __APP_PLL_SCLK_LOGIC_SOFT_RESET, - rb + APP_PLL_SCLK_CTL_REG); - writel(pll_fclk | - __APP_PLL_LCLK_LOGIC_SOFT_RESET, - rb + APP_PLL_LCLK_CTL_REG); - writel(pll_sclk | - __APP_PLL_SCLK_LOGIC_SOFT_RESET | __APP_PLL_SCLK_ENABLE, - rb + APP_PLL_SCLK_CTL_REG); - writel(pll_fclk | - __APP_PLL_LCLK_LOGIC_SOFT_RESET | __APP_PLL_LCLK_ENABLE, - rb + APP_PLL_LCLK_CTL_REG); - readl(rb + HOSTFN0_INT_MSK); - udelay(2000); - writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); - writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); - writel(pll_sclk | - __APP_PLL_SCLK_ENABLE, - rb + APP_PLL_SCLK_CTL_REG); - writel(pll_fclk | - __APP_PLL_LCLK_ENABLE, - rb + APP_PLL_LCLK_CTL_REG); - - if (!fcmode) { - writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P0)); - writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P1)); - } - r32 = readl((rb + PSS_CTL_REG)); - r32 &= ~__PSS_LMEM_RESET; - writel(r32, (rb + PSS_CTL_REG)); - udelay(1000); - if (!fcmode) { - writel(0, (rb + PMM_1T_RESET_REG_P0)); - writel(0, (rb + PMM_1T_RESET_REG_P1)); - } - - writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG)); - udelay(1000); - r32 = readl((rb + MBIST_STAT_REG)); - writel(0, (rb + MBIST_CTL_REG)); - return BFA_STATUS_OK; -} diff --git a/drivers/net/bna/bfi.h b/drivers/net/bna/bfi.h deleted file mode 100644 index 088211c2724f..000000000000 --- a/drivers/net/bna/bfi.h +++ /dev/null @@ -1,400 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __BFI_H__ -#define __BFI_H__ - -#include "bfa_defs.h" - -#pragma pack(1) - -/** - * BFI FW image type - */ -#define BFI_FLASH_CHUNK_SZ 256 /*!< Flash chunk size */ -#define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32)) -enum { - BFI_IMAGE_CB_FC, - BFI_IMAGE_CT_FC, - BFI_IMAGE_CT_CNA, - BFI_IMAGE_MAX, -}; - -/** - * Msg header common to all msgs - */ -struct bfi_mhdr { - u8 msg_class; /*!< @ref enum bfi_mclass */ - u8 msg_id; /*!< msg opcode with in the class */ - union { - struct { - u8 rsvd; - u8 lpu_id; /*!< msg destination */ - } h2i; - u16 i2htok; /*!< token in msgs to host */ - } mtag; -}; - -#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \ - (_mh).msg_class = (_mc); \ - (_mh).msg_id = (_op); \ - (_mh).mtag.h2i.lpu_id = (_lpuid); \ -} while (0) - -#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \ - (_mh).msg_class = (_mc); \ - (_mh).msg_id = (_op); \ - (_mh).mtag.i2htok = (_i2htok); \ -} while (0) - -/* - * Message opcodes: 0-127 to firmware, 128-255 to host - */ -#define BFI_I2H_OPCODE_BASE 128 -#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE) - -/** - **************************************************************************** - * - * Scatter Gather Element and Page definition - * - **************************************************************************** - */ - -#define BFI_SGE_INLINE 1 -#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1) - -/** - * SG Flags - */ -enum { - BFI_SGE_DATA = 0, /*!< data address, not last */ - BFI_SGE_DATA_CPL = 1, /*!< data addr, last in current page */ - BFI_SGE_DATA_LAST = 3, /*!< data address, last */ - BFI_SGE_LINK = 2, /*!< link address */ - BFI_SGE_PGDLEN = 2, /*!< cumulative data length for page */ -}; - -/** - * DMA addresses - */ -union bfi_addr_u { - struct { - u32 addr_lo; - u32 addr_hi; - } a32; -}; - -/** - * Scatter Gather Element - */ -struct bfi_sge { -#ifdef __BIGENDIAN - u32 flags:2, - rsvd:2, - sg_len:28; -#else - u32 sg_len:28, - rsvd:2, - flags:2; -#endif - union bfi_addr_u sga; -}; - -/** - * Scatter Gather Page - */ -#define BFI_SGPG_DATA_SGES 7 -#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1) -#define BFI_SGPG_RSVD_WD_LEN 8 -struct bfi_sgpg { - struct bfi_sge sges[BFI_SGPG_SGES_MAX]; - u32 rsvd[BFI_SGPG_RSVD_WD_LEN]; -}; - -/* - * Large Message structure - 128 Bytes size Msgs - */ -#define BFI_LMSG_SZ 128 -#define BFI_LMSG_PL_WSZ \ - ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr)) / 4) - -struct bfi_msg { - struct bfi_mhdr mhdr; - u32 pl[BFI_LMSG_PL_WSZ]; -}; - -/** - * Mailbox message structure - */ -#define BFI_MBMSG_SZ 7 -struct bfi_mbmsg { - struct bfi_mhdr mh; - u32 pl[BFI_MBMSG_SZ]; -}; - -/** - * Message Classes - */ -enum bfi_mclass { - BFI_MC_IOC = 1, /*!< IO Controller (IOC) */ - BFI_MC_DIAG = 2, /*!< Diagnostic Msgs */ - BFI_MC_FLASH = 3, /*!< Flash message class */ - BFI_MC_CEE = 4, /*!< CEE */ - BFI_MC_FCPORT = 5, /*!< FC port */ - BFI_MC_IOCFC = 6, /*!< FC - IO Controller (IOC) */ - BFI_MC_LL = 7, /*!< Link Layer */ - BFI_MC_UF = 8, /*!< Unsolicited frame receive */ - BFI_MC_FCXP = 9, /*!< FC Transport */ - BFI_MC_LPS = 10, /*!< lport fc login services */ - BFI_MC_RPORT = 11, /*!< Remote port */ - BFI_MC_ITNIM = 12, /*!< I-T nexus (Initiator mode) */ - BFI_MC_IOIM_READ = 13, /*!< read IO (Initiator mode) */ - BFI_MC_IOIM_WRITE = 14, /*!< write IO (Initiator mode) */ - BFI_MC_IOIM_IO = 15, /*!< IO (Initiator mode) */ - BFI_MC_IOIM = 16, /*!< IO (Initiator mode) */ - BFI_MC_IOIM_IOCOM = 17, /*!< good IO completion */ - BFI_MC_TSKIM = 18, /*!< Initiator Task management */ - BFI_MC_SBOOT = 19, /*!< SAN boot services */ - BFI_MC_IPFC = 20, /*!< IP over FC Msgs */ - BFI_MC_PORT = 21, /*!< Physical port */ - BFI_MC_SFP = 22, /*!< SFP module */ - BFI_MC_MSGQ = 23, /*!< MSGQ */ - BFI_MC_ENET = 24, /*!< ENET commands/responses */ - BFI_MC_MAX = 32 -}; - -#define BFI_IOC_MAX_CQS 4 -#define BFI_IOC_MAX_CQS_ASIC 8 -#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */ - -#define BFI_BOOT_TYPE_OFF 8 -#define BFI_BOOT_LOADER_OFF 12 - -#define BFI_BOOT_TYPE_NORMAL 0 -#define BFI_BOOT_TYPE_FLASH 1 -#define BFI_BOOT_TYPE_MEMTEST 2 - -#define BFI_BOOT_LOADER_OS 0 - -#define BFI_BOOT_MEMTEST_RES_ADDR 0x900 -#define BFI_BOOT_MEMTEST_RES_SIG 0xA0A1A2A3 - -/** - *---------------------------------------------------------------------- - * IOC - *---------------------------------------------------------------------- - */ - -enum bfi_ioc_h2i_msgs { - BFI_IOC_H2I_ENABLE_REQ = 1, - BFI_IOC_H2I_DISABLE_REQ = 2, - BFI_IOC_H2I_GETATTR_REQ = 3, - BFI_IOC_H2I_DBG_SYNC = 4, - BFI_IOC_H2I_DBG_DUMP = 5, -}; - -enum bfi_ioc_i2h_msgs { - BFI_IOC_I2H_ENABLE_REPLY = BFA_I2HM(1), - BFI_IOC_I2H_DISABLE_REPLY = BFA_I2HM(2), - BFI_IOC_I2H_GETATTR_REPLY = BFA_I2HM(3), - BFI_IOC_I2H_READY_EVENT = BFA_I2HM(4), - BFI_IOC_I2H_HBEAT = BFA_I2HM(5), -}; - -/** - * BFI_IOC_H2I_GETATTR_REQ message - */ -struct bfi_ioc_getattr_req { - struct bfi_mhdr mh; - union bfi_addr_u attr_addr; -}; - -struct bfi_ioc_attr { - u64 mfg_pwwn; /*!< Mfg port wwn */ - u64 mfg_nwwn; /*!< Mfg node wwn */ - mac_t mfg_mac; /*!< Mfg mac */ - u16 rsvd_a; - u64 pwwn; - u64 nwwn; - mac_t mac; /*!< PBC or Mfg mac */ - u16 rsvd_b; - mac_t fcoe_mac; - u16 rsvd_c; - char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; - u8 pcie_gen; - u8 pcie_lanes_orig; - u8 pcie_lanes; - u8 rx_bbcredit; /*!< receive buffer credits */ - u32 adapter_prop; /*!< adapter properties */ - u16 maxfrsize; /*!< max receive frame size */ - char asic_rev; - u8 rsvd_d; - char fw_version[BFA_VERSION_LEN]; - char optrom_version[BFA_VERSION_LEN]; - struct bfa_mfg_vpd vpd; - u32 card_type; /*!< card type */ -}; - -/** - * BFI_IOC_I2H_GETATTR_REPLY message - */ -struct bfi_ioc_getattr_reply { - struct bfi_mhdr mh; /*!< Common msg header */ - u8 status; /*!< cfg reply status */ - u8 rsvd[3]; -}; - -/** - * Firmware memory page offsets - */ -#define BFI_IOC_SMEM_PG0_CB (0x40) -#define BFI_IOC_SMEM_PG0_CT (0x180) - -/** - * Firmware statistic offset - */ -#define BFI_IOC_FWSTATS_OFF (0x6B40) -#define BFI_IOC_FWSTATS_SZ (4096) - -/** - * Firmware trace offset - */ -#define BFI_IOC_TRC_OFF (0x4b00) -#define BFI_IOC_TRC_ENTS 256 - -#define BFI_IOC_FW_SIGNATURE (0xbfadbfad) -#define BFI_IOC_MD5SUM_SZ 4 -struct bfi_ioc_image_hdr { - u32 signature; /*!< constant signature */ - u32 rsvd_a; - u32 exec; /*!< exec vector */ - u32 param; /*!< parameters */ - u32 rsvd_b[4]; - u32 md5sum[BFI_IOC_MD5SUM_SZ]; -}; - -enum bfi_fwboot_type { - BFI_FWBOOT_TYPE_NORMAL = 0, - BFI_FWBOOT_TYPE_FLASH = 1, - BFI_FWBOOT_TYPE_MEMTEST = 2, -}; - -/** - * BFI_IOC_I2H_READY_EVENT message - */ -struct bfi_ioc_rdy_event { - struct bfi_mhdr mh; /*!< common msg header */ - u8 init_status; /*!< init event status */ - u8 rsvd[3]; -}; - -struct bfi_ioc_hbeat { - struct bfi_mhdr mh; /*!< common msg header */ - u32 hb_count; /*!< current heart beat count */ -}; - -/** - * IOC hardware/firmware state - */ -enum bfi_ioc_state { - BFI_IOC_UNINIT = 0, /*!< not initialized */ - BFI_IOC_INITING = 1, /*!< h/w is being initialized */ - BFI_IOC_HWINIT = 2, /*!< h/w is initialized */ - BFI_IOC_CFG = 3, /*!< IOC configuration in progress */ - BFI_IOC_OP = 4, /*!< IOC is operational */ - BFI_IOC_DISABLING = 5, /*!< IOC is being disabled */ - BFI_IOC_DISABLED = 6, /*!< IOC is disabled */ - BFI_IOC_CFG_DISABLED = 7, /*!< IOC is being disabled;transient */ - BFI_IOC_FAIL = 8, /*!< IOC heart-beat failure */ - BFI_IOC_MEMTEST = 9, /*!< IOC is doing memtest */ -}; - -#define BFI_IOC_ENDIAN_SIG 0x12345678 - -enum { - BFI_ADAPTER_TYPE_FC = 0x01, /*!< FC adapters */ - BFI_ADAPTER_TYPE_MK = 0x0f0000, /*!< adapter type mask */ - BFI_ADAPTER_TYPE_SH = 16, /*!< adapter type shift */ - BFI_ADAPTER_NPORTS_MK = 0xff00, /*!< number of ports mask */ - BFI_ADAPTER_NPORTS_SH = 8, /*!< number of ports shift */ - BFI_ADAPTER_SPEED_MK = 0xff, /*!< adapter speed mask */ - BFI_ADAPTER_SPEED_SH = 0, /*!< adapter speed shift */ - BFI_ADAPTER_PROTO = 0x100000, /*!< prototype adapaters */ - BFI_ADAPTER_TTV = 0x200000, /*!< TTV debug capable */ - BFI_ADAPTER_UNSUPP = 0x400000, /*!< unknown adapter type */ -}; - -#define BFI_ADAPTER_GETP(__prop, __adap_prop) \ - (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >> \ - BFI_ADAPTER_ ## __prop ## _SH) -#define BFI_ADAPTER_SETP(__prop, __val) \ - ((__val) << BFI_ADAPTER_ ## __prop ## _SH) -#define BFI_ADAPTER_IS_PROTO(__adap_type) \ - ((__adap_type) & BFI_ADAPTER_PROTO) -#define BFI_ADAPTER_IS_TTV(__adap_type) \ - ((__adap_type) & BFI_ADAPTER_TTV) -#define BFI_ADAPTER_IS_UNSUPP(__adap_type) \ - ((__adap_type) & BFI_ADAPTER_UNSUPP) -#define BFI_ADAPTER_IS_SPECIAL(__adap_type) \ - ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \ - BFI_ADAPTER_UNSUPP)) - -/** - * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages - */ -struct bfi_ioc_ctrl_req { - struct bfi_mhdr mh; - u8 ioc_class; - u8 rsvd[3]; - u32 tv_sec; -}; - -/** - * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages - */ -struct bfi_ioc_ctrl_reply { - struct bfi_mhdr mh; /*!< Common msg header */ - u8 status; /*!< enable/disable status */ - u8 rsvd[3]; -}; - -#define BFI_IOC_MSGSZ 8 -/** - * H2I Messages - */ -union bfi_ioc_h2i_msg_u { - struct bfi_mhdr mh; - struct bfi_ioc_ctrl_req enable_req; - struct bfi_ioc_ctrl_req disable_req; - struct bfi_ioc_getattr_req getattr_req; - u32 mboxmsg[BFI_IOC_MSGSZ]; -}; - -/** - * I2H Messages - */ -union bfi_ioc_i2h_msg_u { - struct bfi_mhdr mh; - struct bfi_ioc_rdy_event rdy_event; - u32 mboxmsg[BFI_IOC_MSGSZ]; -}; - -#pragma pack() - -#endif /* __BFI_H__ */ diff --git a/drivers/net/bna/bfi_cna.h b/drivers/net/bna/bfi_cna.h deleted file mode 100644 index 4eecabea397b..000000000000 --- a/drivers/net/bna/bfi_cna.h +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BFI_CNA_H__ -#define __BFI_CNA_H__ - -#include "bfi.h" -#include "bfa_defs_cna.h" - -#pragma pack(1) - -enum bfi_port_h2i { - BFI_PORT_H2I_ENABLE_REQ = (1), - BFI_PORT_H2I_DISABLE_REQ = (2), - BFI_PORT_H2I_GET_STATS_REQ = (3), - BFI_PORT_H2I_CLEAR_STATS_REQ = (4), -}; - -enum bfi_port_i2h { - BFI_PORT_I2H_ENABLE_RSP = BFA_I2HM(1), - BFI_PORT_I2H_DISABLE_RSP = BFA_I2HM(2), - BFI_PORT_I2H_GET_STATS_RSP = BFA_I2HM(3), - BFI_PORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4), -}; - -/** - * Generic REQ type - */ -struct bfi_port_generic_req { - struct bfi_mhdr mh; /*!< msg header */ - u32 msgtag; /*!< msgtag for reply */ - u32 rsvd; -}; - -/** - * Generic RSP type - */ -struct bfi_port_generic_rsp { - struct bfi_mhdr mh; /*!< common msg header */ - u8 status; /*!< port enable status */ - u8 rsvd[3]; - u32 msgtag; /*!< msgtag for reply */ -}; - -/** - * @todo - * BFI_PORT_H2I_ENABLE_REQ - */ - -/** - * @todo - * BFI_PORT_I2H_ENABLE_RSP - */ - -/** - * BFI_PORT_H2I_DISABLE_REQ - */ - -/** - * BFI_PORT_I2H_DISABLE_RSP - */ - -/** - * BFI_PORT_H2I_GET_STATS_REQ - */ -struct bfi_port_get_stats_req { - struct bfi_mhdr mh; /*!< common msg header */ - union bfi_addr_u dma_addr; -}; - -/** - * BFI_PORT_I2H_GET_STATS_RSP - */ - -/** - * BFI_PORT_H2I_CLEAR_STATS_REQ - */ - -/** - * BFI_PORT_I2H_CLEAR_STATS_RSP - */ - -union bfi_port_h2i_msg_u { - struct bfi_mhdr mh; - struct bfi_port_generic_req enable_req; - struct bfi_port_generic_req disable_req; - struct bfi_port_get_stats_req getstats_req; - struct bfi_port_generic_req clearstats_req; -}; - -union bfi_port_i2h_msg_u { - struct bfi_mhdr mh; - struct bfi_port_generic_rsp enable_rsp; - struct bfi_port_generic_rsp disable_rsp; - struct bfi_port_generic_rsp getstats_rsp; - struct bfi_port_generic_rsp clearstats_rsp; -}; - -/* @brief Mailbox commands from host to (DCBX/LLDP) firmware */ -enum bfi_cee_h2i_msgs { - BFI_CEE_H2I_GET_CFG_REQ = 1, - BFI_CEE_H2I_RESET_STATS = 2, - BFI_CEE_H2I_GET_STATS_REQ = 3, -}; - -/* @brief Mailbox reply and AEN messages from DCBX/LLDP firmware to host */ -enum bfi_cee_i2h_msgs { - BFI_CEE_I2H_GET_CFG_RSP = BFA_I2HM(1), - BFI_CEE_I2H_RESET_STATS_RSP = BFA_I2HM(2), - BFI_CEE_I2H_GET_STATS_RSP = BFA_I2HM(3), -}; - -/* Data structures */ - -/* - * @brief H2I command structure for resetting the stats. - * BFI_CEE_H2I_RESET_STATS - */ -struct bfi_lldp_reset_stats { - struct bfi_mhdr mh; -}; - -/* - * @brief H2I command structure for resetting the stats. - * BFI_CEE_H2I_RESET_STATS - */ -struct bfi_cee_reset_stats { - struct bfi_mhdr mh; -}; - -/* - * @brief get configuration command from host - * BFI_CEE_H2I_GET_CFG_REQ - */ -struct bfi_cee_get_req { - struct bfi_mhdr mh; - union bfi_addr_u dma_addr; -}; - -/* - * @brief reply message from firmware - * BFI_CEE_I2H_GET_CFG_RSP - */ -struct bfi_cee_get_rsp { - struct bfi_mhdr mh; - u8 cmd_status; - u8 rsvd[3]; -}; - -/* - * @brief get configuration command from host - * BFI_CEE_H2I_GET_STATS_REQ - */ -struct bfi_cee_stats_req { - struct bfi_mhdr mh; - union bfi_addr_u dma_addr; -}; - -/* - * @brief reply message from firmware - * BFI_CEE_I2H_GET_STATS_RSP - */ -struct bfi_cee_stats_rsp { - struct bfi_mhdr mh; - u8 cmd_status; - u8 rsvd[3]; -}; - -/* @brief mailbox command structures from host to firmware */ -union bfi_cee_h2i_msg_u { - struct bfi_mhdr mh; - struct bfi_cee_get_req get_req; - struct bfi_cee_stats_req stats_req; -}; - -/* @brief mailbox message structures from firmware to host */ -union bfi_cee_i2h_msg_u { - struct bfi_mhdr mh; - struct bfi_cee_get_rsp get_rsp; - struct bfi_cee_stats_rsp stats_rsp; -}; - -#pragma pack() - -#endif /* __BFI_CNA_H__ */ diff --git a/drivers/net/bna/bfi_ll.h b/drivers/net/bna/bfi_ll.h deleted file mode 100644 index bee4d054066a..000000000000 --- a/drivers/net/bna/bfi_ll.h +++ /dev/null @@ -1,438 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BFI_LL_H__ -#define __BFI_LL_H__ - -#include "bfi.h" - -#pragma pack(1) - -/** - * @brief - * "enums" for all LL mailbox messages other than IOC - */ -enum { - BFI_LL_H2I_MAC_UCAST_SET_REQ = 1, - BFI_LL_H2I_MAC_UCAST_ADD_REQ = 2, - BFI_LL_H2I_MAC_UCAST_DEL_REQ = 3, - - BFI_LL_H2I_MAC_MCAST_ADD_REQ = 4, - BFI_LL_H2I_MAC_MCAST_DEL_REQ = 5, - BFI_LL_H2I_MAC_MCAST_FILTER_REQ = 6, - BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ = 7, - - BFI_LL_H2I_PORT_ADMIN_REQ = 8, - BFI_LL_H2I_STATS_GET_REQ = 9, - BFI_LL_H2I_STATS_CLEAR_REQ = 10, - - BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ = 11, - BFI_LL_H2I_RXF_DEFAULT_SET_REQ = 12, - - BFI_LL_H2I_TXQ_STOP_REQ = 13, - BFI_LL_H2I_RXQ_STOP_REQ = 14, - - BFI_LL_H2I_DIAG_LOOPBACK_REQ = 15, - - BFI_LL_H2I_SET_PAUSE_REQ = 16, - BFI_LL_H2I_MTU_INFO_REQ = 17, - - BFI_LL_H2I_RX_REQ = 18, -} ; - -enum { - BFI_LL_I2H_MAC_UCAST_SET_RSP = BFA_I2HM(1), - BFI_LL_I2H_MAC_UCAST_ADD_RSP = BFA_I2HM(2), - BFI_LL_I2H_MAC_UCAST_DEL_RSP = BFA_I2HM(3), - - BFI_LL_I2H_MAC_MCAST_ADD_RSP = BFA_I2HM(4), - BFI_LL_I2H_MAC_MCAST_DEL_RSP = BFA_I2HM(5), - BFI_LL_I2H_MAC_MCAST_FILTER_RSP = BFA_I2HM(6), - BFI_LL_I2H_MAC_MCAST_DEL_ALL_RSP = BFA_I2HM(7), - - BFI_LL_I2H_PORT_ADMIN_RSP = BFA_I2HM(8), - BFI_LL_I2H_STATS_GET_RSP = BFA_I2HM(9), - BFI_LL_I2H_STATS_CLEAR_RSP = BFA_I2HM(10), - - BFI_LL_I2H_RXF_PROMISCUOUS_SET_RSP = BFA_I2HM(11), - BFI_LL_I2H_RXF_DEFAULT_SET_RSP = BFA_I2HM(12), - - BFI_LL_I2H_TXQ_STOP_RSP = BFA_I2HM(13), - BFI_LL_I2H_RXQ_STOP_RSP = BFA_I2HM(14), - - BFI_LL_I2H_DIAG_LOOPBACK_RSP = BFA_I2HM(15), - - BFI_LL_I2H_SET_PAUSE_RSP = BFA_I2HM(16), - - BFI_LL_I2H_MTU_INFO_RSP = BFA_I2HM(17), - BFI_LL_I2H_RX_RSP = BFA_I2HM(18), - - BFI_LL_I2H_LINK_DOWN_AEN = BFA_I2HM(19), - BFI_LL_I2H_LINK_UP_AEN = BFA_I2HM(20), - - BFI_LL_I2H_PORT_ENABLE_AEN = BFA_I2HM(21), - BFI_LL_I2H_PORT_DISABLE_AEN = BFA_I2HM(22), -} ; - -/** - * @brief bfi_ll_mac_addr_req is used by: - * BFI_LL_H2I_MAC_UCAST_SET_REQ - * BFI_LL_H2I_MAC_UCAST_ADD_REQ - * BFI_LL_H2I_MAC_UCAST_DEL_REQ - * BFI_LL_H2I_MAC_MCAST_ADD_REQ - * BFI_LL_H2I_MAC_MCAST_DEL_REQ - */ -struct bfi_ll_mac_addr_req { - struct bfi_mhdr mh; /*!< common msg header */ - u8 rxf_id; - u8 rsvd1[3]; - mac_t mac_addr; - u8 rsvd2[2]; -}; - -/** - * @brief bfi_ll_mcast_filter_req is used by: - * BFI_LL_H2I_MAC_MCAST_FILTER_REQ - */ -struct bfi_ll_mcast_filter_req { - struct bfi_mhdr mh; /*!< common msg header */ - u8 rxf_id; - u8 enable; - u8 rsvd[2]; -}; - -/** - * @brief bfi_ll_mcast_del_all is used by: - * BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ - */ -struct bfi_ll_mcast_del_all_req { - struct bfi_mhdr mh; /*!< common msg header */ - u8 rxf_id; - u8 rsvd[3]; -}; - -/** - * @brief bfi_ll_q_stop_req is used by: - * BFI_LL_H2I_TXQ_STOP_REQ - * BFI_LL_H2I_RXQ_STOP_REQ - */ -struct bfi_ll_q_stop_req { - struct bfi_mhdr mh; /*!< common msg header */ - u32 q_id_mask[2]; /* !< bit-mask for queue ids */ -}; - -/** - * @brief bfi_ll_stats_req is used by: - * BFI_LL_I2H_STATS_GET_REQ - * BFI_LL_I2H_STATS_CLEAR_REQ - */ -struct bfi_ll_stats_req { - struct bfi_mhdr mh; /*!< common msg header */ - u16 stats_mask; /* !< bit-mask for non-function statistics */ - u8 rsvd[2]; - u32 rxf_id_mask[2]; /* !< bit-mask for RxF Statistics */ - u32 txf_id_mask[2]; /* !< bit-mask for TxF Statistics */ - union bfi_addr_u host_buffer; /* !< where statistics are returned */ -}; - -/** - * @brief defines for "stats_mask" above. - */ -#define BFI_LL_STATS_MAC (1 << 0) /* !< MAC Statistics */ -#define BFI_LL_STATS_BPC (1 << 1) /* !< Pause Stats from BPC */ -#define BFI_LL_STATS_RAD (1 << 2) /* !< Rx Admission Statistics */ -#define BFI_LL_STATS_RX_FC (1 << 3) /* !< Rx FC Stats from RxA */ -#define BFI_LL_STATS_TX_FC (1 << 4) /* !< Tx FC Stats from TxA */ - -#define BFI_LL_STATS_ALL 0x1f - -/** - * @brief bfi_ll_port_admin_req - */ -struct bfi_ll_port_admin_req { - struct bfi_mhdr mh; /*!< common msg header */ - u8 up; - u8 rsvd[3]; -}; - -/** - * @brief bfi_ll_rxf_req is used by: - * BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ - * BFI_LL_H2I_RXF_DEFAULT_SET_REQ - */ -struct bfi_ll_rxf_req { - struct bfi_mhdr mh; /*!< common msg header */ - u8 rxf_id; - u8 enable; - u8 rsvd[2]; -}; - -/** - * @brief bfi_ll_rxf_multi_req is used by: - * BFI_LL_H2I_RX_REQ - */ -struct bfi_ll_rxf_multi_req { - struct bfi_mhdr mh; /*!< common msg header */ - u32 rxf_id_mask[2]; - u8 enable; - u8 rsvd[3]; -}; - -/** - * @brief enum for Loopback opmodes - */ -enum { - BFI_LL_DIAG_LB_OPMODE_EXT = 0, - BFI_LL_DIAG_LB_OPMODE_CBL = 1, -}; - -/** - * @brief bfi_ll_set_pause_req is used by: - * BFI_LL_H2I_SET_PAUSE_REQ - */ -struct bfi_ll_set_pause_req { - struct bfi_mhdr mh; - u8 tx_pause; /* 1 = enable, 0 = disable */ - u8 rx_pause; /* 1 = enable, 0 = disable */ - u8 rsvd[2]; -}; - -/** - * @brief bfi_ll_mtu_info_req is used by: - * BFI_LL_H2I_MTU_INFO_REQ - */ -struct bfi_ll_mtu_info_req { - struct bfi_mhdr mh; - u16 mtu; - u8 rsvd[2]; -}; - -/** - * @brief - * Response header format used by all responses - * For both responses and asynchronous notifications - */ -struct bfi_ll_rsp { - struct bfi_mhdr mh; /*!< common msg header */ - u8 error; - u8 rsvd[3]; -}; - -/** - * @brief bfi_ll_cee_aen is used by: - * BFI_LL_I2H_LINK_DOWN_AEN - * BFI_LL_I2H_LINK_UP_AEN - */ -struct bfi_ll_aen { - struct bfi_mhdr mh; /*!< common msg header */ - u32 reason; - u8 cee_linkup; - u8 prio_map; /*!< LL priority bit-map */ - u8 rsvd[2]; -}; - -/** - * @brief - * The following error codes can be returned - * by the mbox commands - */ -enum { - BFI_LL_CMD_OK = 0, - BFI_LL_CMD_FAIL = 1, - BFI_LL_CMD_DUP_ENTRY = 2, /* !< Duplicate entry in CAM */ - BFI_LL_CMD_CAM_FULL = 3, /* !< CAM is full */ - BFI_LL_CMD_NOT_OWNER = 4, /* !< Not permitted, b'cos not owner */ - BFI_LL_CMD_NOT_EXEC = 5, /* !< Was not sent to f/w at all */ - BFI_LL_CMD_WAITING = 6, /* !< Waiting for completion (VMware) */ - BFI_LL_CMD_PORT_DISABLED = 7, /* !< port in disabled state */ -} ; - -/* Statistics */ -#define BFI_LL_TXF_ID_MAX 64 -#define BFI_LL_RXF_ID_MAX 64 - -/* TxF Frame Statistics */ -struct bfi_ll_stats_txf { - u64 ucast_octets; - u64 ucast; - u64 ucast_vlan; - - u64 mcast_octets; - u64 mcast; - u64 mcast_vlan; - - u64 bcast_octets; - u64 bcast; - u64 bcast_vlan; - - u64 errors; - u64 filter_vlan; /* frames filtered due to VLAN */ - u64 filter_mac_sa; /* frames filtered due to SA check */ -}; - -/* RxF Frame Statistics */ -struct bfi_ll_stats_rxf { - u64 ucast_octets; - u64 ucast; - u64 ucast_vlan; - - u64 mcast_octets; - u64 mcast; - u64 mcast_vlan; - - u64 bcast_octets; - u64 bcast; - u64 bcast_vlan; - u64 frame_drops; -}; - -/* FC Tx Frame Statistics */ -struct bfi_ll_stats_fc_tx { - u64 txf_ucast_octets; - u64 txf_ucast; - u64 txf_ucast_vlan; - - u64 txf_mcast_octets; - u64 txf_mcast; - u64 txf_mcast_vlan; - - u64 txf_bcast_octets; - u64 txf_bcast; - u64 txf_bcast_vlan; - - u64 txf_parity_errors; - u64 txf_timeout; - u64 txf_fid_parity_errors; -}; - -/* FC Rx Frame Statistics */ -struct bfi_ll_stats_fc_rx { - u64 rxf_ucast_octets; - u64 rxf_ucast; - u64 rxf_ucast_vlan; - - u64 rxf_mcast_octets; - u64 rxf_mcast; - u64 rxf_mcast_vlan; - - u64 rxf_bcast_octets; - u64 rxf_bcast; - u64 rxf_bcast_vlan; -}; - -/* RAD Frame Statistics */ -struct bfi_ll_stats_rad { - u64 rx_frames; - u64 rx_octets; - u64 rx_vlan_frames; - - u64 rx_ucast; - u64 rx_ucast_octets; - u64 rx_ucast_vlan; - - u64 rx_mcast; - u64 rx_mcast_octets; - u64 rx_mcast_vlan; - - u64 rx_bcast; - u64 rx_bcast_octets; - u64 rx_bcast_vlan; - - u64 rx_drops; -}; - -/* BPC Tx Registers */ -struct bfi_ll_stats_bpc { - /* transmit stats */ - u64 tx_pause[8]; - u64 tx_zero_pause[8]; /*!< Pause cancellation */ - /*!> 15)) -#define PSS_SMEM_PGOFF(_ma) ((_ma) & 0x7fff) - -#endif /* __BFI_REG_H__ */ diff --git a/drivers/net/bna/bna.h b/drivers/net/bna/bna.h deleted file mode 100644 index 21e9155d6e56..000000000000 --- a/drivers/net/bna/bna.h +++ /dev/null @@ -1,548 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -#ifndef __BNA_H__ -#define __BNA_H__ - -#include "bfa_cs.h" -#include "bfa_ioc.h" -#include "cna.h" -#include "bfi_ll.h" -#include "bna_types.h" - -extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX]; - -/** - * - * Macros and constants - * - */ - -#define BNA_IOC_TIMER_FREQ 200 - -/* Log string size */ -#define BNA_MESSAGE_SIZE 256 - -/* MBOX API for PORT, TX, RX */ -#define bna_mbox_qe_fill(_qe, _cmd, _cmd_len, _cbfn, _cbarg) \ -do { \ - memcpy(&((_qe)->cmd.msg[0]), (_cmd), (_cmd_len)); \ - (_qe)->cbfn = (_cbfn); \ - (_qe)->cbarg = (_cbarg); \ -} while (0) - -#define bna_is_small_rxq(rcb) ((rcb)->id == 1) - -#define BNA_MAC_IS_EQUAL(_mac1, _mac2) \ - (!memcmp((_mac1), (_mac2), sizeof(mac_t))) - -#define BNA_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) - -#define BNA_TO_POWER_OF_2(x) \ -do { \ - int _shift = 0; \ - while ((x) && (x) != 1) { \ - (x) >>= 1; \ - _shift++; \ - } \ - (x) <<= _shift; \ -} while (0) - -#define BNA_TO_POWER_OF_2_HIGH(x) \ -do { \ - int n = 1; \ - while (n < (x)) \ - n <<= 1; \ - (x) = n; \ -} while (0) - -/* - * input : _addr-> os dma addr in host endian format, - * output : _bna_dma_addr-> pointer to hw dma addr - */ -#define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr) \ -do { \ - u64 tmp_addr = \ - cpu_to_be64((u64)(_addr)); \ - (_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \ - (_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \ -} while (0) - -/* - * input : _bna_dma_addr-> pointer to hw dma addr - * output : _addr-> os dma addr in host endian format - */ -#define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr) \ -do { \ - (_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32) \ - | ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff)); \ -} while (0) - -#define containing_rec(addr, type, field) \ - ((type *)((unsigned char *)(addr) - \ - (unsigned char *)(&((type *)0)->field))) - -#define BNA_TXQ_WI_NEEDED(_vectors) (((_vectors) + 3) >> 2) - -/* TxQ element is 64 bytes */ -#define BNA_TXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 6) -#define BNA_TXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 6) - -#define BNA_TXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ -{ \ - unsigned int page_index; /* index within a page */ \ - void *page_addr; \ - page_index = (_qe_idx) & (BNA_TXQ_PAGE_INDEX_MAX - 1); \ - (_qe_ptr_range) = (BNA_TXQ_PAGE_INDEX_MAX - page_index); \ - page_addr = (_qpt_ptr)[((_qe_idx) >> BNA_TXQ_PAGE_INDEX_MAX_SHIFT)];\ - (_qe_ptr) = &((struct bna_txq_entry *)(page_addr))[page_index]; \ -} - -/* RxQ element is 8 bytes */ -#define BNA_RXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 3) -#define BNA_RXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 3) - -#define BNA_RXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ -{ \ - unsigned int page_index; /* index within a page */ \ - void *page_addr; \ - page_index = (_qe_idx) & (BNA_RXQ_PAGE_INDEX_MAX - 1); \ - (_qe_ptr_range) = (BNA_RXQ_PAGE_INDEX_MAX - page_index); \ - page_addr = (_qpt_ptr)[((_qe_idx) >> \ - BNA_RXQ_PAGE_INDEX_MAX_SHIFT)]; \ - (_qe_ptr) = &((struct bna_rxq_entry *)(page_addr))[page_index]; \ -} - -/* CQ element is 16 bytes */ -#define BNA_CQ_PAGE_INDEX_MAX (PAGE_SIZE >> 4) -#define BNA_CQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 4) - -#define BNA_CQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ -{ \ - unsigned int page_index; /* index within a page */ \ - void *page_addr; \ - \ - page_index = (_qe_idx) & (BNA_CQ_PAGE_INDEX_MAX - 1); \ - (_qe_ptr_range) = (BNA_CQ_PAGE_INDEX_MAX - page_index); \ - page_addr = (_qpt_ptr)[((_qe_idx) >> \ - BNA_CQ_PAGE_INDEX_MAX_SHIFT)]; \ - (_qe_ptr) = &((struct bna_cq_entry *)(page_addr))[page_index];\ -} - -#define BNA_QE_INDX_2_PTR(_cast, _qe_idx, _q_base) \ - (&((_cast *)(_q_base))[(_qe_idx)]) - -#define BNA_QE_INDX_RANGE(_qe_idx, _q_depth) ((_q_depth) - (_qe_idx)) - -#define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth) \ - ((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1)) - -#define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth) \ - (((_updated_idx) - (_old_idx)) & ((_q_depth) - 1)) - -#define BNA_QE_FREE_CNT(_q_ptr, _q_depth) \ - (((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) & \ - ((_q_depth) - 1)) - -#define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth) \ - ((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) & \ - (_q_depth - 1)) - -#define BNA_Q_GET_CI(_q_ptr) ((_q_ptr)->q.consumer_index) - -#define BNA_Q_GET_PI(_q_ptr) ((_q_ptr)->q.producer_index) - -#define BNA_Q_PI_ADD(_q_ptr, _num) \ - (_q_ptr)->q.producer_index = \ - (((_q_ptr)->q.producer_index + (_num)) & \ - ((_q_ptr)->q.q_depth - 1)) - -#define BNA_Q_CI_ADD(_q_ptr, _num) \ - (_q_ptr)->q.consumer_index = \ - (((_q_ptr)->q.consumer_index + (_num)) \ - & ((_q_ptr)->q.q_depth - 1)) - -#define BNA_Q_FREE_COUNT(_q_ptr) \ - (BNA_QE_FREE_CNT(&((_q_ptr)->q), (_q_ptr)->q.q_depth)) - -#define BNA_Q_IN_USE_COUNT(_q_ptr) \ - (BNA_QE_IN_USE_CNT(&(_q_ptr)->q, (_q_ptr)->q.q_depth)) - -/* These macros build the data portion of the TxQ/RxQ doorbell */ -#define BNA_DOORBELL_Q_PRD_IDX(_pi) (0x80000000 | (_pi)) -#define BNA_DOORBELL_Q_STOP (0x40000000) - -/* These macros build the data portion of the IB doorbell */ -#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \ - (0x80000000 | ((_timeout) << 16) | (_events)) -#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000) - -/* Set the coalescing timer for the given ib */ -#define bna_ib_coalescing_timer_set(_i_dbell, _cls_timer) \ - ((_i_dbell)->doorbell_ack = BNA_DOORBELL_IB_INT_ACK((_cls_timer), 0)); - -/* Acks 'events' # of events for a given ib */ -#define bna_ib_ack(_i_dbell, _events) \ - (writel(((_i_dbell)->doorbell_ack | (_events)), \ - (_i_dbell)->doorbell_addr)); - -#define bna_txq_prod_indx_doorbell(_tcb) \ - (writel(BNA_DOORBELL_Q_PRD_IDX((_tcb)->producer_index), \ - (_tcb)->q_dbell)); - -#define bna_rxq_prod_indx_doorbell(_rcb) \ - (writel(BNA_DOORBELL_Q_PRD_IDX((_rcb)->producer_index), \ - (_rcb)->q_dbell)); - -#define BNA_LARGE_PKT_SIZE 1000 - -#define BNA_UPDATE_PKT_CNT(_pkt, _len) \ -do { \ - if ((_len) > BNA_LARGE_PKT_SIZE) { \ - (_pkt)->large_pkt_cnt++; \ - } else { \ - (_pkt)->small_pkt_cnt++; \ - } \ -} while (0) - -#define call_rxf_stop_cbfn(rxf, status) \ - if ((rxf)->stop_cbfn) { \ - (*(rxf)->stop_cbfn)((rxf)->stop_cbarg, (status)); \ - (rxf)->stop_cbfn = NULL; \ - (rxf)->stop_cbarg = NULL; \ - } - -#define call_rxf_start_cbfn(rxf, status) \ - if ((rxf)->start_cbfn) { \ - (*(rxf)->start_cbfn)((rxf)->start_cbarg, (status)); \ - (rxf)->start_cbfn = NULL; \ - (rxf)->start_cbarg = NULL; \ - } - -#define call_rxf_cam_fltr_cbfn(rxf, status) \ - if ((rxf)->cam_fltr_cbfn) { \ - (*(rxf)->cam_fltr_cbfn)((rxf)->cam_fltr_cbarg, rxf->rx, \ - (status)); \ - (rxf)->cam_fltr_cbfn = NULL; \ - (rxf)->cam_fltr_cbarg = NULL; \ - } - -#define call_rxf_pause_cbfn(rxf, status) \ - if ((rxf)->oper_state_cbfn) { \ - (*(rxf)->oper_state_cbfn)((rxf)->oper_state_cbarg, rxf->rx,\ - (status)); \ - (rxf)->rxf_flags &= ~BNA_RXF_FL_OPERSTATE_CHANGED; \ - (rxf)->oper_state_cbfn = NULL; \ - (rxf)->oper_state_cbarg = NULL; \ - } - -#define call_rxf_resume_cbfn(rxf, status) call_rxf_pause_cbfn(rxf, status) - -#define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx)) - -#define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx)) - -#define xxx_enable(mode, bitmask, xxx) \ -do { \ - bitmask |= xxx; \ - mode |= xxx; \ -} while (0) - -#define xxx_disable(mode, bitmask, xxx) \ -do { \ - bitmask |= xxx; \ - mode &= ~xxx; \ -} while (0) - -#define xxx_inactive(mode, bitmask, xxx) \ -do { \ - bitmask &= ~xxx; \ - mode &= ~xxx; \ -} while (0) - -#define is_promisc_enable(mode, bitmask) \ - is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC) - -#define is_promisc_disable(mode, bitmask) \ - is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC) - -#define promisc_enable(mode, bitmask) \ - xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC) - -#define promisc_disable(mode, bitmask) \ - xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC) - -#define promisc_inactive(mode, bitmask) \ - xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC) - -#define is_default_enable(mode, bitmask) \ - is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT) - -#define is_default_disable(mode, bitmask) \ - is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT) - -#define default_enable(mode, bitmask) \ - xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT) - -#define default_disable(mode, bitmask) \ - xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT) - -#define default_inactive(mode, bitmask) \ - xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT) - -#define is_allmulti_enable(mode, bitmask) \ - is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI) - -#define is_allmulti_disable(mode, bitmask) \ - is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI) - -#define allmulti_enable(mode, bitmask) \ - xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI) - -#define allmulti_disable(mode, bitmask) \ - xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI) - -#define allmulti_inactive(mode, bitmask) \ - xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI) - -#define GET_RXQS(rxp, q0, q1) do { \ - switch ((rxp)->type) { \ - case BNA_RXP_SINGLE: \ - (q0) = rxp->rxq.single.only; \ - (q1) = NULL; \ - break; \ - case BNA_RXP_SLR: \ - (q0) = rxp->rxq.slr.large; \ - (q1) = rxp->rxq.slr.small; \ - break; \ - case BNA_RXP_HDS: \ - (q0) = rxp->rxq.hds.data; \ - (q1) = rxp->rxq.hds.hdr; \ - break; \ - } \ -} while (0) - -/** - * - * Function prototypes - * - */ - -/** - * BNA - */ - -/* APIs for BNAD */ -void bna_res_req(struct bna_res_info *res_info); -void bna_init(struct bna *bna, struct bnad *bnad, - struct bfa_pcidev *pcidev, - struct bna_res_info *res_info); -void bna_uninit(struct bna *bna); -void bna_stats_get(struct bna *bna); -void bna_get_perm_mac(struct bna *bna, u8 *mac); - -/* APIs for Rx */ -int bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size); - -/* APIs for RxF */ -struct bna_mac *bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod); -void bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, - struct bna_mac *mac); -struct bna_mac *bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod); -void bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, - struct bna_mac *mac); -struct bna_rit_segment * -bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size); -void bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod, - struct bna_rit_segment *seg); - -/** - * DEVICE - */ - -/* APIs for BNAD */ -void bna_device_enable(struct bna_device *device); -void bna_device_disable(struct bna_device *device, - enum bna_cleanup_type type); - -/** - * MBOX - */ - -/* APIs for PORT, TX, RX */ -void bna_mbox_handler(struct bna *bna, u32 intr_status); -void bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe); - -/** - * PORT - */ - -/* API for RX */ -int bna_port_mtu_get(struct bna_port *port); -void bna_llport_rx_started(struct bna_llport *llport); -void bna_llport_rx_stopped(struct bna_llport *llport); - -/* API for BNAD */ -void bna_port_enable(struct bna_port *port); -void bna_port_disable(struct bna_port *port, enum bna_cleanup_type type, - void (*cbfn)(void *, enum bna_cb_status)); -void bna_port_pause_config(struct bna_port *port, - struct bna_pause_config *pause_config, - void (*cbfn)(struct bnad *, enum bna_cb_status)); -void bna_port_mtu_set(struct bna_port *port, int mtu, - void (*cbfn)(struct bnad *, enum bna_cb_status)); -void bna_port_mac_get(struct bna_port *port, mac_t *mac); - -/* Callbacks for TX, RX */ -void bna_port_cb_tx_stopped(struct bna_port *port, - enum bna_cb_status status); -void bna_port_cb_rx_stopped(struct bna_port *port, - enum bna_cb_status status); - -/** - * IB - */ - -/* APIs for BNA */ -void bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna, - struct bna_res_info *res_info); -void bna_ib_mod_uninit(struct bna_ib_mod *ib_mod); - -/** - * TX MODULE AND TX - */ - -/* APIs for BNA */ -void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna, - struct bna_res_info *res_info); -void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod); -int bna_tx_state_get(struct bna_tx *tx); - -/* APIs for PORT */ -void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type); -void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type); -void bna_tx_mod_fail(struct bna_tx_mod *tx_mod); -void bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio); -void bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link); - -/* APIs for BNAD */ -void bna_tx_res_req(int num_txq, int txq_depth, - struct bna_res_info *res_info); -struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad, - struct bna_tx_config *tx_cfg, - struct bna_tx_event_cbfn *tx_cbfn, - struct bna_res_info *res_info, void *priv); -void bna_tx_destroy(struct bna_tx *tx); -void bna_tx_enable(struct bna_tx *tx); -void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, - void (*cbfn)(void *, struct bna_tx *, - enum bna_cb_status)); -void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo); - -/** - * RX MODULE, RX, RXF - */ - -/* Internal APIs */ -void rxf_cb_cam_fltr_mbox_cmd(void *arg, int status); -void rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd, - const struct bna_mac *mac_addr); -void __rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status); -void bna_rxf_adv_init(struct bna_rxf *rxf, - struct bna_rx *rx, - struct bna_rx_config *q_config); -int rxf_process_packet_filter_ucast(struct bna_rxf *rxf); -int rxf_process_packet_filter_promisc(struct bna_rxf *rxf); -int rxf_process_packet_filter_default(struct bna_rxf *rxf); -int rxf_process_packet_filter_allmulti(struct bna_rxf *rxf); -int rxf_clear_packet_filter_ucast(struct bna_rxf *rxf); -int rxf_clear_packet_filter_promisc(struct bna_rxf *rxf); -int rxf_clear_packet_filter_default(struct bna_rxf *rxf); -int rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf); -void rxf_reset_packet_filter_ucast(struct bna_rxf *rxf); -void rxf_reset_packet_filter_promisc(struct bna_rxf *rxf); -void rxf_reset_packet_filter_default(struct bna_rxf *rxf); -void rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf); - -/* APIs for BNA */ -void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna, - struct bna_res_info *res_info); -void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod); -int bna_rx_state_get(struct bna_rx *rx); -int bna_rxf_state_get(struct bna_rxf *rxf); - -/* APIs for PORT */ -void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type); -void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type); -void bna_rx_mod_fail(struct bna_rx_mod *rx_mod); - -/* APIs for BNAD */ -void bna_rx_res_req(struct bna_rx_config *rx_config, - struct bna_res_info *res_info); -struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad, - struct bna_rx_config *rx_cfg, - struct bna_rx_event_cbfn *rx_cbfn, - struct bna_res_info *res_info, void *priv); -void bna_rx_destroy(struct bna_rx *rx); -void bna_rx_enable(struct bna_rx *rx); -void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type, - void (*cbfn)(void *, struct bna_rx *, - enum bna_cb_status)); -void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo); -void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]); -void bna_rx_dim_update(struct bna_ccb *ccb); -enum bna_cb_status -bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); -enum bna_cb_status -bna_rx_mcast_add(struct bna_rx *rx, u8 *mcmac, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); -enum bna_cb_status -bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mcmac, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); -enum bna_cb_status -bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode, - enum bna_rxmode bitmask, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); -void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id); -void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id); -void bna_rx_vlanfilter_enable(struct bna_rx *rx); -void bna_rx_hds_enable(struct bna_rx *rx, struct bna_rxf_hds *hds_config, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); -void bna_rx_hds_disable(struct bna_rx *rx, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)); - -/** - * BNAD - */ - -/* Callbacks for BNA */ -void bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status, - struct bna_stats *stats); - -/* Callbacks for DEVICE */ -void bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status); -void bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status); -void bnad_cb_device_enable_mbox_intr(struct bnad *bnad); -void bnad_cb_device_disable_mbox_intr(struct bnad *bnad); - -/* Callbacks for port */ -void bnad_cb_port_link_status(struct bnad *bnad, - enum bna_link_status status); - -#endif /* __BNA_H__ */ diff --git a/drivers/net/bna/bna_ctrl.c b/drivers/net/bna/bna_ctrl.c deleted file mode 100644 index cb2594c564dc..000000000000 --- a/drivers/net/bna/bna_ctrl.c +++ /dev/null @@ -1,3076 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#include "bna.h" -#include "bfa_cs.h" - -static void bna_device_cb_port_stopped(void *arg, enum bna_cb_status status); - -static void -bna_port_cb_link_up(struct bna_port *port, struct bfi_ll_aen *aen, - int status) -{ - int i; - u8 prio_map; - - port->llport.link_status = BNA_LINK_UP; - if (aen->cee_linkup) - port->llport.link_status = BNA_CEE_UP; - - /* Compute the priority */ - prio_map = aen->prio_map; - if (prio_map) { - for (i = 0; i < 8; i++) { - if ((prio_map >> i) & 0x1) - break; - } - port->priority = i; - } else - port->priority = 0; - - /* Dispatch events */ - bna_tx_mod_cee_link_status(&port->bna->tx_mod, aen->cee_linkup); - bna_tx_mod_prio_changed(&port->bna->tx_mod, port->priority); - port->link_cbfn(port->bna->bnad, port->llport.link_status); -} - -static void -bna_port_cb_link_down(struct bna_port *port, int status) -{ - port->llport.link_status = BNA_LINK_DOWN; - - /* Dispatch events */ - bna_tx_mod_cee_link_status(&port->bna->tx_mod, BNA_LINK_DOWN); - port->link_cbfn(port->bna->bnad, BNA_LINK_DOWN); -} - -static inline int -llport_can_be_up(struct bna_llport *llport) -{ - int ready = 0; - if (llport->type == BNA_PORT_T_REGULAR) - ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) && - (llport->flags & BNA_LLPORT_F_RX_STARTED) && - (llport->flags & BNA_LLPORT_F_PORT_ENABLED)); - else - ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) && - (llport->flags & BNA_LLPORT_F_RX_STARTED) && - !(llport->flags & BNA_LLPORT_F_PORT_ENABLED)); - return ready; -} - -#define llport_is_up llport_can_be_up - -enum bna_llport_event { - LLPORT_E_START = 1, - LLPORT_E_STOP = 2, - LLPORT_E_FAIL = 3, - LLPORT_E_UP = 4, - LLPORT_E_DOWN = 5, - LLPORT_E_FWRESP_UP_OK = 6, - LLPORT_E_FWRESP_UP_FAIL = 7, - LLPORT_E_FWRESP_DOWN = 8 -}; - -static void -bna_llport_cb_port_enabled(struct bna_llport *llport) -{ - llport->flags |= BNA_LLPORT_F_PORT_ENABLED; - - if (llport_can_be_up(llport)) - bfa_fsm_send_event(llport, LLPORT_E_UP); -} - -static void -bna_llport_cb_port_disabled(struct bna_llport *llport) -{ - int llport_up = llport_is_up(llport); - - llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; - - if (llport_up) - bfa_fsm_send_event(llport, LLPORT_E_DOWN); -} - -/** - * MBOX - */ -static int -bna_is_aen(u8 msg_id) -{ - switch (msg_id) { - case BFI_LL_I2H_LINK_DOWN_AEN: - case BFI_LL_I2H_LINK_UP_AEN: - case BFI_LL_I2H_PORT_ENABLE_AEN: - case BFI_LL_I2H_PORT_DISABLE_AEN: - return 1; - - default: - return 0; - } -} - -static void -bna_mbox_aen_callback(struct bna *bna, struct bfi_mbmsg *msg) -{ - struct bfi_ll_aen *aen = (struct bfi_ll_aen *)(msg); - - switch (aen->mh.msg_id) { - case BFI_LL_I2H_LINK_UP_AEN: - bna_port_cb_link_up(&bna->port, aen, aen->reason); - break; - case BFI_LL_I2H_LINK_DOWN_AEN: - bna_port_cb_link_down(&bna->port, aen->reason); - break; - case BFI_LL_I2H_PORT_ENABLE_AEN: - bna_llport_cb_port_enabled(&bna->port.llport); - break; - case BFI_LL_I2H_PORT_DISABLE_AEN: - bna_llport_cb_port_disabled(&bna->port.llport); - break; - default: - break; - } -} - -static void -bna_ll_isr(void *llarg, struct bfi_mbmsg *msg) -{ - struct bna *bna = (struct bna *)(llarg); - struct bfi_ll_rsp *mb_rsp = (struct bfi_ll_rsp *)(msg); - struct bfi_mhdr *cmd_h, *rsp_h; - struct bna_mbox_qe *mb_qe = NULL; - int to_post = 0; - u8 aen = 0; - char message[BNA_MESSAGE_SIZE]; - - aen = bna_is_aen(mb_rsp->mh.msg_id); - - if (!aen) { - mb_qe = bfa_q_first(&bna->mbox_mod.posted_q); - cmd_h = (struct bfi_mhdr *)(&mb_qe->cmd.msg[0]); - rsp_h = (struct bfi_mhdr *)(&mb_rsp->mh); - - if ((BFA_I2HM(cmd_h->msg_id) == rsp_h->msg_id) && - (cmd_h->mtag.i2htok == rsp_h->mtag.i2htok)) { - /* Remove the request from posted_q, update state */ - list_del(&mb_qe->qe); - bna->mbox_mod.msg_pending--; - if (list_empty(&bna->mbox_mod.posted_q)) - bna->mbox_mod.state = BNA_MBOX_FREE; - else - to_post = 1; - - /* Dispatch the cbfn */ - if (mb_qe->cbfn) - mb_qe->cbfn(mb_qe->cbarg, mb_rsp->error); - - /* Post the next entry, if needed */ - if (to_post) { - mb_qe = bfa_q_first(&bna->mbox_mod.posted_q); - bfa_nw_ioc_mbox_queue(&bna->device.ioc, - &mb_qe->cmd); - } - } else { - snprintf(message, BNA_MESSAGE_SIZE, - "No matching rsp for [%d:%d:%d]\n", - mb_rsp->mh.msg_class, mb_rsp->mh.msg_id, - mb_rsp->mh.mtag.i2htok); - pr_info("%s", message); - } - - } else - bna_mbox_aen_callback(bna, msg); -} - -static void -bna_err_handler(struct bna *bna, u32 intr_status) -{ - u32 init_halt; - - if (intr_status & __HALT_STATUS_BITS) { - init_halt = readl(bna->device.ioc.ioc_regs.ll_halt); - init_halt &= ~__FW_INIT_HALT_P; - writel(init_halt, bna->device.ioc.ioc_regs.ll_halt); - } - - bfa_nw_ioc_error_isr(&bna->device.ioc); -} - -void -bna_mbox_handler(struct bna *bna, u32 intr_status) -{ - if (BNA_IS_ERR_INTR(intr_status)) { - bna_err_handler(bna, intr_status); - return; - } - if (BNA_IS_MBOX_INTR(intr_status)) - bfa_nw_ioc_mbox_isr(&bna->device.ioc); -} - -void -bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe) -{ - struct bfi_mhdr *mh; - - mh = (struct bfi_mhdr *)(&mbox_qe->cmd.msg[0]); - - mh->mtag.i2htok = htons(bna->mbox_mod.msg_ctr); - bna->mbox_mod.msg_ctr++; - bna->mbox_mod.msg_pending++; - if (bna->mbox_mod.state == BNA_MBOX_FREE) { - list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q); - bfa_nw_ioc_mbox_queue(&bna->device.ioc, &mbox_qe->cmd); - bna->mbox_mod.state = BNA_MBOX_POSTED; - } else { - list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q); - } -} - -static void -bna_mbox_flush_q(struct bna *bna, struct list_head *q) -{ - struct bna_mbox_qe *mb_qe = NULL; - struct list_head *mb_q; - void (*cbfn)(void *arg, int status); - void *cbarg; - - mb_q = &bna->mbox_mod.posted_q; - - while (!list_empty(mb_q)) { - bfa_q_deq(mb_q, &mb_qe); - cbfn = mb_qe->cbfn; - cbarg = mb_qe->cbarg; - bfa_q_qe_init(mb_qe); - bna->mbox_mod.msg_pending--; - - if (cbfn) - cbfn(cbarg, BNA_CB_NOT_EXEC); - } - - bna->mbox_mod.state = BNA_MBOX_FREE; -} - -static void -bna_mbox_mod_start(struct bna_mbox_mod *mbox_mod) -{ -} - -static void -bna_mbox_mod_stop(struct bna_mbox_mod *mbox_mod) -{ - bna_mbox_flush_q(mbox_mod->bna, &mbox_mod->posted_q); -} - -static void -bna_mbox_mod_init(struct bna_mbox_mod *mbox_mod, struct bna *bna) -{ - bfa_nw_ioc_mbox_regisr(&bna->device.ioc, BFI_MC_LL, bna_ll_isr, bna); - mbox_mod->state = BNA_MBOX_FREE; - mbox_mod->msg_ctr = mbox_mod->msg_pending = 0; - INIT_LIST_HEAD(&mbox_mod->posted_q); - mbox_mod->bna = bna; -} - -static void -bna_mbox_mod_uninit(struct bna_mbox_mod *mbox_mod) -{ - mbox_mod->bna = NULL; -} - -/** - * LLPORT - */ -#define call_llport_stop_cbfn(llport, status)\ -do {\ - if ((llport)->stop_cbfn)\ - (llport)->stop_cbfn(&(llport)->bna->port, status);\ - (llport)->stop_cbfn = NULL;\ -} while (0) - -static void bna_fw_llport_up(struct bna_llport *llport); -static void bna_fw_cb_llport_up(void *arg, int status); -static void bna_fw_llport_down(struct bna_llport *llport); -static void bna_fw_cb_llport_down(void *arg, int status); -static void bna_llport_start(struct bna_llport *llport); -static void bna_llport_stop(struct bna_llport *llport); -static void bna_llport_fail(struct bna_llport *llport); - -enum bna_llport_state { - BNA_LLPORT_STOPPED = 1, - BNA_LLPORT_DOWN = 2, - BNA_LLPORT_UP_RESP_WAIT = 3, - BNA_LLPORT_DOWN_RESP_WAIT = 4, - BNA_LLPORT_UP = 5, - BNA_LLPORT_LAST_RESP_WAIT = 6 -}; - -bfa_fsm_state_decl(bna_llport, stopped, struct bna_llport, - enum bna_llport_event); -bfa_fsm_state_decl(bna_llport, down, struct bna_llport, - enum bna_llport_event); -bfa_fsm_state_decl(bna_llport, up_resp_wait, struct bna_llport, - enum bna_llport_event); -bfa_fsm_state_decl(bna_llport, down_resp_wait, struct bna_llport, - enum bna_llport_event); -bfa_fsm_state_decl(bna_llport, up, struct bna_llport, - enum bna_llport_event); -bfa_fsm_state_decl(bna_llport, last_resp_wait, struct bna_llport, - enum bna_llport_event); - -static struct bfa_sm_table llport_sm_table[] = { - {BFA_SM(bna_llport_sm_stopped), BNA_LLPORT_STOPPED}, - {BFA_SM(bna_llport_sm_down), BNA_LLPORT_DOWN}, - {BFA_SM(bna_llport_sm_up_resp_wait), BNA_LLPORT_UP_RESP_WAIT}, - {BFA_SM(bna_llport_sm_down_resp_wait), BNA_LLPORT_DOWN_RESP_WAIT}, - {BFA_SM(bna_llport_sm_up), BNA_LLPORT_UP}, - {BFA_SM(bna_llport_sm_last_resp_wait), BNA_LLPORT_LAST_RESP_WAIT} -}; - -static void -bna_llport_sm_stopped_entry(struct bna_llport *llport) -{ - llport->bna->port.link_cbfn((llport)->bna->bnad, BNA_LINK_DOWN); - call_llport_stop_cbfn(llport, BNA_CB_SUCCESS); -} - -static void -bna_llport_sm_stopped(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_START: - bfa_fsm_set_state(llport, bna_llport_sm_down); - break; - - case LLPORT_E_STOP: - call_llport_stop_cbfn(llport, BNA_CB_SUCCESS); - break; - - case LLPORT_E_FAIL: - break; - - case LLPORT_E_DOWN: - /* This event is received due to Rx objects failing */ - /* No-op */ - break; - - case LLPORT_E_FWRESP_UP_OK: - case LLPORT_E_FWRESP_DOWN: - /** - * These events are received due to flushing of mbox when - * device fails - */ - /* No-op */ - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_llport_sm_down_entry(struct bna_llport *llport) -{ - bnad_cb_port_link_status((llport)->bna->bnad, BNA_LINK_DOWN); -} - -static void -bna_llport_sm_down(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_STOP: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_UP: - bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait); - bna_fw_llport_up(llport); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_llport_sm_up_resp_wait_entry(struct bna_llport *llport) -{ - BUG_ON(!llport_can_be_up(llport)); - /** - * NOTE: Do not call bna_fw_llport_up() here. That will over step - * mbox due to down_resp_wait -> up_resp_wait transition on event - * LLPORT_E_UP - */ -} - -static void -bna_llport_sm_up_resp_wait(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_STOP: - bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); - break; - - case LLPORT_E_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_DOWN: - bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait); - break; - - case LLPORT_E_FWRESP_UP_OK: - bfa_fsm_set_state(llport, bna_llport_sm_up); - break; - - case LLPORT_E_FWRESP_UP_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_down); - break; - - case LLPORT_E_FWRESP_DOWN: - /* down_resp_wait -> up_resp_wait transition on LLPORT_E_UP */ - bna_fw_llport_up(llport); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_llport_sm_down_resp_wait_entry(struct bna_llport *llport) -{ - /** - * NOTE: Do not call bna_fw_llport_down() here. That will over step - * mbox due to up_resp_wait -> down_resp_wait transition on event - * LLPORT_E_DOWN - */ -} - -static void -bna_llport_sm_down_resp_wait(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_STOP: - bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); - break; - - case LLPORT_E_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_UP: - bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait); - break; - - case LLPORT_E_FWRESP_UP_OK: - /* up_resp_wait->down_resp_wait transition on LLPORT_E_DOWN */ - bna_fw_llport_down(llport); - break; - - case LLPORT_E_FWRESP_UP_FAIL: - case LLPORT_E_FWRESP_DOWN: - bfa_fsm_set_state(llport, bna_llport_sm_down); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_llport_sm_up_entry(struct bna_llport *llport) -{ -} - -static void -bna_llport_sm_up(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_STOP: - bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); - bna_fw_llport_down(llport); - break; - - case LLPORT_E_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_DOWN: - bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait); - bna_fw_llport_down(llport); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_llport_sm_last_resp_wait_entry(struct bna_llport *llport) -{ -} - -static void -bna_llport_sm_last_resp_wait(struct bna_llport *llport, - enum bna_llport_event event) -{ - switch (event) { - case LLPORT_E_FAIL: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - case LLPORT_E_DOWN: - /** - * This event is received due to Rx objects stopping in - * parallel to llport - */ - /* No-op */ - break; - - case LLPORT_E_FWRESP_UP_OK: - /* up_resp_wait->last_resp_wait transition on LLPORT_T_STOP */ - bna_fw_llport_down(llport); - break; - - case LLPORT_E_FWRESP_UP_FAIL: - case LLPORT_E_FWRESP_DOWN: - bfa_fsm_set_state(llport, bna_llport_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_fw_llport_admin_up(struct bna_llport *llport) -{ - struct bfi_ll_port_admin_req ll_req; - - memset(&ll_req, 0, sizeof(ll_req)); - ll_req.mh.msg_class = BFI_MC_LL; - ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ; - ll_req.mh.mtag.h2i.lpu_id = 0; - - ll_req.up = BNA_STATUS_T_ENABLED; - - bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req), - bna_fw_cb_llport_up, llport); - - bna_mbox_send(llport->bna, &llport->mbox_qe); -} - -static void -bna_fw_llport_up(struct bna_llport *llport) -{ - if (llport->type == BNA_PORT_T_REGULAR) - bna_fw_llport_admin_up(llport); -} - -static void -bna_fw_cb_llport_up(void *arg, int status) -{ - struct bna_llport *llport = (struct bna_llport *)arg; - - bfa_q_qe_init(&llport->mbox_qe.qe); - if (status == BFI_LL_CMD_FAIL) { - if (llport->type == BNA_PORT_T_REGULAR) - llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; - else - llport->flags &= ~BNA_LLPORT_F_ADMIN_UP; - bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_FAIL); - } else - bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_OK); -} - -static void -bna_fw_llport_admin_down(struct bna_llport *llport) -{ - struct bfi_ll_port_admin_req ll_req; - - memset(&ll_req, 0, sizeof(ll_req)); - ll_req.mh.msg_class = BFI_MC_LL; - ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ; - ll_req.mh.mtag.h2i.lpu_id = 0; - - ll_req.up = BNA_STATUS_T_DISABLED; - - bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req), - bna_fw_cb_llport_down, llport); - - bna_mbox_send(llport->bna, &llport->mbox_qe); -} - -static void -bna_fw_llport_down(struct bna_llport *llport) -{ - if (llport->type == BNA_PORT_T_REGULAR) - bna_fw_llport_admin_down(llport); -} - -static void -bna_fw_cb_llport_down(void *arg, int status) -{ - struct bna_llport *llport = (struct bna_llport *)arg; - - bfa_q_qe_init(&llport->mbox_qe.qe); - bfa_fsm_send_event(llport, LLPORT_E_FWRESP_DOWN); -} - -static void -bna_port_cb_llport_stopped(struct bna_port *port, - enum bna_cb_status status) -{ - bfa_wc_down(&port->chld_stop_wc); -} - -static void -bna_llport_init(struct bna_llport *llport, struct bna *bna) -{ - llport->flags |= BNA_LLPORT_F_ADMIN_UP; - llport->flags |= BNA_LLPORT_F_PORT_ENABLED; - llport->type = BNA_PORT_T_REGULAR; - llport->bna = bna; - - llport->link_status = BNA_LINK_DOWN; - - llport->rx_started_count = 0; - - llport->stop_cbfn = NULL; - - bfa_q_qe_init(&llport->mbox_qe.qe); - - bfa_fsm_set_state(llport, bna_llport_sm_stopped); -} - -static void -bna_llport_uninit(struct bna_llport *llport) -{ - llport->flags &= ~BNA_LLPORT_F_ADMIN_UP; - llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; - - llport->bna = NULL; -} - -static void -bna_llport_start(struct bna_llport *llport) -{ - bfa_fsm_send_event(llport, LLPORT_E_START); -} - -static void -bna_llport_stop(struct bna_llport *llport) -{ - llport->stop_cbfn = bna_port_cb_llport_stopped; - - bfa_fsm_send_event(llport, LLPORT_E_STOP); -} - -static void -bna_llport_fail(struct bna_llport *llport) -{ - /* Reset the physical port status to enabled */ - llport->flags |= BNA_LLPORT_F_PORT_ENABLED; - bfa_fsm_send_event(llport, LLPORT_E_FAIL); -} - -static int -bna_llport_state_get(struct bna_llport *llport) -{ - return bfa_sm_to_state(llport_sm_table, llport->fsm); -} - -void -bna_llport_rx_started(struct bna_llport *llport) -{ - llport->rx_started_count++; - - if (llport->rx_started_count == 1) { - - llport->flags |= BNA_LLPORT_F_RX_STARTED; - - if (llport_can_be_up(llport)) - bfa_fsm_send_event(llport, LLPORT_E_UP); - } -} - -void -bna_llport_rx_stopped(struct bna_llport *llport) -{ - int llport_up = llport_is_up(llport); - - llport->rx_started_count--; - - if (llport->rx_started_count == 0) { - - llport->flags &= ~BNA_LLPORT_F_RX_STARTED; - - if (llport_up) - bfa_fsm_send_event(llport, LLPORT_E_DOWN); - } -} - -/** - * PORT - */ -#define bna_port_chld_start(port)\ -do {\ - enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\ - enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ - bna_llport_start(&(port)->llport);\ - bna_tx_mod_start(&(port)->bna->tx_mod, tx_type);\ - bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\ -} while (0) - -#define bna_port_chld_stop(port)\ -do {\ - enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\ - enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ - bfa_wc_up(&(port)->chld_stop_wc);\ - bfa_wc_up(&(port)->chld_stop_wc);\ - bfa_wc_up(&(port)->chld_stop_wc);\ - bna_llport_stop(&(port)->llport);\ - bna_tx_mod_stop(&(port)->bna->tx_mod, tx_type);\ - bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\ -} while (0) - -#define bna_port_chld_fail(port)\ -do {\ - bna_llport_fail(&(port)->llport);\ - bna_tx_mod_fail(&(port)->bna->tx_mod);\ - bna_rx_mod_fail(&(port)->bna->rx_mod);\ -} while (0) - -#define bna_port_rx_start(port)\ -do {\ - enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ - bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\ -} while (0) - -#define bna_port_rx_stop(port)\ -do {\ - enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ - BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ - bfa_wc_up(&(port)->chld_stop_wc);\ - bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\ -} while (0) - -#define call_port_stop_cbfn(port, status)\ -do {\ - if ((port)->stop_cbfn)\ - (port)->stop_cbfn((port)->stop_cbarg, status);\ - (port)->stop_cbfn = NULL;\ - (port)->stop_cbarg = NULL;\ -} while (0) - -#define call_port_pause_cbfn(port, status)\ -do {\ - if ((port)->pause_cbfn)\ - (port)->pause_cbfn((port)->bna->bnad, status);\ - (port)->pause_cbfn = NULL;\ -} while (0) - -#define call_port_mtu_cbfn(port, status)\ -do {\ - if ((port)->mtu_cbfn)\ - (port)->mtu_cbfn((port)->bna->bnad, status);\ - (port)->mtu_cbfn = NULL;\ -} while (0) - -static void bna_fw_pause_set(struct bna_port *port); -static void bna_fw_cb_pause_set(void *arg, int status); -static void bna_fw_mtu_set(struct bna_port *port); -static void bna_fw_cb_mtu_set(void *arg, int status); - -enum bna_port_event { - PORT_E_START = 1, - PORT_E_STOP = 2, - PORT_E_FAIL = 3, - PORT_E_PAUSE_CFG = 4, - PORT_E_MTU_CFG = 5, - PORT_E_CHLD_STOPPED = 6, - PORT_E_FWRESP_PAUSE = 7, - PORT_E_FWRESP_MTU = 8 -}; - -enum bna_port_state { - BNA_PORT_STOPPED = 1, - BNA_PORT_MTU_INIT_WAIT = 2, - BNA_PORT_PAUSE_INIT_WAIT = 3, - BNA_PORT_LAST_RESP_WAIT = 4, - BNA_PORT_STARTED = 5, - BNA_PORT_PAUSE_CFG_WAIT = 6, - BNA_PORT_RX_STOP_WAIT = 7, - BNA_PORT_MTU_CFG_WAIT = 8, - BNA_PORT_CHLD_STOP_WAIT = 9 -}; - -bfa_fsm_state_decl(bna_port, stopped, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, mtu_init_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, pause_init_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, last_resp_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, started, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, pause_cfg_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, rx_stop_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, mtu_cfg_wait, struct bna_port, - enum bna_port_event); -bfa_fsm_state_decl(bna_port, chld_stop_wait, struct bna_port, - enum bna_port_event); - -static struct bfa_sm_table port_sm_table[] = { - {BFA_SM(bna_port_sm_stopped), BNA_PORT_STOPPED}, - {BFA_SM(bna_port_sm_mtu_init_wait), BNA_PORT_MTU_INIT_WAIT}, - {BFA_SM(bna_port_sm_pause_init_wait), BNA_PORT_PAUSE_INIT_WAIT}, - {BFA_SM(bna_port_sm_last_resp_wait), BNA_PORT_LAST_RESP_WAIT}, - {BFA_SM(bna_port_sm_started), BNA_PORT_STARTED}, - {BFA_SM(bna_port_sm_pause_cfg_wait), BNA_PORT_PAUSE_CFG_WAIT}, - {BFA_SM(bna_port_sm_rx_stop_wait), BNA_PORT_RX_STOP_WAIT}, - {BFA_SM(bna_port_sm_mtu_cfg_wait), BNA_PORT_MTU_CFG_WAIT}, - {BFA_SM(bna_port_sm_chld_stop_wait), BNA_PORT_CHLD_STOP_WAIT} -}; - -static void -bna_port_sm_stopped_entry(struct bna_port *port) -{ - call_port_pause_cbfn(port, BNA_CB_SUCCESS); - call_port_mtu_cbfn(port, BNA_CB_SUCCESS); - call_port_stop_cbfn(port, BNA_CB_SUCCESS); -} - -static void -bna_port_sm_stopped(struct bna_port *port, enum bna_port_event event) -{ - switch (event) { - case PORT_E_START: - bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait); - break; - - case PORT_E_STOP: - call_port_stop_cbfn(port, BNA_CB_SUCCESS); - break; - - case PORT_E_FAIL: - /* No-op */ - break; - - case PORT_E_PAUSE_CFG: - call_port_pause_cbfn(port, BNA_CB_SUCCESS); - break; - - case PORT_E_MTU_CFG: - call_port_mtu_cbfn(port, BNA_CB_SUCCESS); - break; - - case PORT_E_CHLD_STOPPED: - /** - * This event is received due to LLPort, Tx and Rx objects - * failing - */ - /* No-op */ - break; - - case PORT_E_FWRESP_PAUSE: - case PORT_E_FWRESP_MTU: - /** - * These events are received due to flushing of mbox when - * device fails - */ - /* No-op */ - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_mtu_init_wait_entry(struct bna_port *port) -{ - bna_fw_mtu_set(port); -} - -static void -bna_port_sm_mtu_init_wait(struct bna_port *port, enum bna_port_event event) -{ - switch (event) { - case PORT_E_STOP: - bfa_fsm_set_state(port, bna_port_sm_last_resp_wait); - break; - - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - break; - - case PORT_E_PAUSE_CFG: - /* No-op */ - break; - - case PORT_E_MTU_CFG: - port->flags |= BNA_PORT_F_MTU_CHANGED; - break; - - case PORT_E_FWRESP_MTU: - if (port->flags & BNA_PORT_F_MTU_CHANGED) { - port->flags &= ~BNA_PORT_F_MTU_CHANGED; - bna_fw_mtu_set(port); - } else { - bfa_fsm_set_state(port, bna_port_sm_pause_init_wait); - } - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_pause_init_wait_entry(struct bna_port *port) -{ - bna_fw_pause_set(port); -} - -static void -bna_port_sm_pause_init_wait(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_STOP: - bfa_fsm_set_state(port, bna_port_sm_last_resp_wait); - break; - - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - break; - - case PORT_E_PAUSE_CFG: - port->flags |= BNA_PORT_F_PAUSE_CHANGED; - break; - - case PORT_E_MTU_CFG: - port->flags |= BNA_PORT_F_MTU_CHANGED; - break; - - case PORT_E_FWRESP_PAUSE: - if (port->flags & BNA_PORT_F_PAUSE_CHANGED) { - port->flags &= ~BNA_PORT_F_PAUSE_CHANGED; - bna_fw_pause_set(port); - } else if (port->flags & BNA_PORT_F_MTU_CHANGED) { - port->flags &= ~BNA_PORT_F_MTU_CHANGED; - bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait); - } else { - bfa_fsm_set_state(port, bna_port_sm_started); - bna_port_chld_start(port); - } - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_last_resp_wait_entry(struct bna_port *port) -{ -} - -static void -bna_port_sm_last_resp_wait(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_FAIL: - case PORT_E_FWRESP_PAUSE: - case PORT_E_FWRESP_MTU: - bfa_fsm_set_state(port, bna_port_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_started_entry(struct bna_port *port) -{ - /** - * NOTE: Do not call bna_port_chld_start() here, since it will be - * inadvertently called during pause_cfg_wait->started transition - * as well - */ - call_port_pause_cbfn(port, BNA_CB_SUCCESS); - call_port_mtu_cbfn(port, BNA_CB_SUCCESS); -} - -static void -bna_port_sm_started(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_STOP: - bfa_fsm_set_state(port, bna_port_sm_chld_stop_wait); - break; - - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - bna_port_chld_fail(port); - break; - - case PORT_E_PAUSE_CFG: - bfa_fsm_set_state(port, bna_port_sm_pause_cfg_wait); - break; - - case PORT_E_MTU_CFG: - bfa_fsm_set_state(port, bna_port_sm_rx_stop_wait); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_pause_cfg_wait_entry(struct bna_port *port) -{ - bna_fw_pause_set(port); -} - -static void -bna_port_sm_pause_cfg_wait(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - bna_port_chld_fail(port); - break; - - case PORT_E_FWRESP_PAUSE: - bfa_fsm_set_state(port, bna_port_sm_started); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_rx_stop_wait_entry(struct bna_port *port) -{ - bna_port_rx_stop(port); -} - -static void -bna_port_sm_rx_stop_wait(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - bna_port_chld_fail(port); - break; - - case PORT_E_CHLD_STOPPED: - bfa_fsm_set_state(port, bna_port_sm_mtu_cfg_wait); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_mtu_cfg_wait_entry(struct bna_port *port) -{ - bna_fw_mtu_set(port); -} - -static void -bna_port_sm_mtu_cfg_wait(struct bna_port *port, enum bna_port_event event) -{ - switch (event) { - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - bna_port_chld_fail(port); - break; - - case PORT_E_FWRESP_MTU: - bfa_fsm_set_state(port, bna_port_sm_started); - bna_port_rx_start(port); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_port_sm_chld_stop_wait_entry(struct bna_port *port) -{ - bna_port_chld_stop(port); -} - -static void -bna_port_sm_chld_stop_wait(struct bna_port *port, - enum bna_port_event event) -{ - switch (event) { - case PORT_E_FAIL: - bfa_fsm_set_state(port, bna_port_sm_stopped); - bna_port_chld_fail(port); - break; - - case PORT_E_CHLD_STOPPED: - bfa_fsm_set_state(port, bna_port_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_fw_pause_set(struct bna_port *port) -{ - struct bfi_ll_set_pause_req ll_req; - - memset(&ll_req, 0, sizeof(ll_req)); - ll_req.mh.msg_class = BFI_MC_LL; - ll_req.mh.msg_id = BFI_LL_H2I_SET_PAUSE_REQ; - ll_req.mh.mtag.h2i.lpu_id = 0; - - ll_req.tx_pause = port->pause_config.tx_pause; - ll_req.rx_pause = port->pause_config.rx_pause; - - bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req), - bna_fw_cb_pause_set, port); - - bna_mbox_send(port->bna, &port->mbox_qe); -} - -static void -bna_fw_cb_pause_set(void *arg, int status) -{ - struct bna_port *port = (struct bna_port *)arg; - - bfa_q_qe_init(&port->mbox_qe.qe); - bfa_fsm_send_event(port, PORT_E_FWRESP_PAUSE); -} - -void -bna_fw_mtu_set(struct bna_port *port) -{ - struct bfi_ll_mtu_info_req ll_req; - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_MTU_INFO_REQ, 0); - ll_req.mtu = htons((u16)port->mtu); - - bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req), - bna_fw_cb_mtu_set, port); - bna_mbox_send(port->bna, &port->mbox_qe); -} - -void -bna_fw_cb_mtu_set(void *arg, int status) -{ - struct bna_port *port = (struct bna_port *)arg; - - bfa_q_qe_init(&port->mbox_qe.qe); - bfa_fsm_send_event(port, PORT_E_FWRESP_MTU); -} - -static void -bna_port_cb_chld_stopped(void *arg) -{ - struct bna_port *port = (struct bna_port *)arg; - - bfa_fsm_send_event(port, PORT_E_CHLD_STOPPED); -} - -static void -bna_port_init(struct bna_port *port, struct bna *bna) -{ - port->bna = bna; - port->flags = 0; - port->mtu = 0; - port->type = BNA_PORT_T_REGULAR; - - port->link_cbfn = bnad_cb_port_link_status; - - port->chld_stop_wc.wc_resume = bna_port_cb_chld_stopped; - port->chld_stop_wc.wc_cbarg = port; - port->chld_stop_wc.wc_count = 0; - - port->stop_cbfn = NULL; - port->stop_cbarg = NULL; - - port->pause_cbfn = NULL; - - port->mtu_cbfn = NULL; - - bfa_q_qe_init(&port->mbox_qe.qe); - - bfa_fsm_set_state(port, bna_port_sm_stopped); - - bna_llport_init(&port->llport, bna); -} - -static void -bna_port_uninit(struct bna_port *port) -{ - bna_llport_uninit(&port->llport); - - port->flags = 0; - - port->bna = NULL; -} - -static int -bna_port_state_get(struct bna_port *port) -{ - return bfa_sm_to_state(port_sm_table, port->fsm); -} - -static void -bna_port_start(struct bna_port *port) -{ - port->flags |= BNA_PORT_F_DEVICE_READY; - if (port->flags & BNA_PORT_F_ENABLED) - bfa_fsm_send_event(port, PORT_E_START); -} - -static void -bna_port_stop(struct bna_port *port) -{ - port->stop_cbfn = bna_device_cb_port_stopped; - port->stop_cbarg = &port->bna->device; - - port->flags &= ~BNA_PORT_F_DEVICE_READY; - bfa_fsm_send_event(port, PORT_E_STOP); -} - -static void -bna_port_fail(struct bna_port *port) -{ - port->flags &= ~BNA_PORT_F_DEVICE_READY; - bfa_fsm_send_event(port, PORT_E_FAIL); -} - -void -bna_port_cb_tx_stopped(struct bna_port *port, enum bna_cb_status status) -{ - bfa_wc_down(&port->chld_stop_wc); -} - -void -bna_port_cb_rx_stopped(struct bna_port *port, enum bna_cb_status status) -{ - bfa_wc_down(&port->chld_stop_wc); -} - -int -bna_port_mtu_get(struct bna_port *port) -{ - return port->mtu; -} - -void -bna_port_enable(struct bna_port *port) -{ - if (port->fsm != (bfa_sm_t)bna_port_sm_stopped) - return; - - port->flags |= BNA_PORT_F_ENABLED; - - if (port->flags & BNA_PORT_F_DEVICE_READY) - bfa_fsm_send_event(port, PORT_E_START); -} - -void -bna_port_disable(struct bna_port *port, enum bna_cleanup_type type, - void (*cbfn)(void *, enum bna_cb_status)) -{ - if (type == BNA_SOFT_CLEANUP) { - (*cbfn)(port->bna->bnad, BNA_CB_SUCCESS); - return; - } - - port->stop_cbfn = cbfn; - port->stop_cbarg = port->bna->bnad; - - port->flags &= ~BNA_PORT_F_ENABLED; - - bfa_fsm_send_event(port, PORT_E_STOP); -} - -void -bna_port_pause_config(struct bna_port *port, - struct bna_pause_config *pause_config, - void (*cbfn)(struct bnad *, enum bna_cb_status)) -{ - port->pause_config = *pause_config; - - port->pause_cbfn = cbfn; - - bfa_fsm_send_event(port, PORT_E_PAUSE_CFG); -} - -void -bna_port_mtu_set(struct bna_port *port, int mtu, - void (*cbfn)(struct bnad *, enum bna_cb_status)) -{ - port->mtu = mtu; - - port->mtu_cbfn = cbfn; - - bfa_fsm_send_event(port, PORT_E_MTU_CFG); -} - -void -bna_port_mac_get(struct bna_port *port, mac_t *mac) -{ - *mac = bfa_nw_ioc_get_mac(&port->bna->device.ioc); -} - -/** - * DEVICE - */ -#define enable_mbox_intr(_device)\ -do {\ - u32 intr_status;\ - bna_intr_status_get((_device)->bna, intr_status);\ - bnad_cb_device_enable_mbox_intr((_device)->bna->bnad);\ - bna_mbox_intr_enable((_device)->bna);\ -} while (0) - -#define disable_mbox_intr(_device)\ -do {\ - bna_mbox_intr_disable((_device)->bna);\ - bnad_cb_device_disable_mbox_intr((_device)->bna->bnad);\ -} while (0) - -static const struct bna_chip_regs_offset reg_offset[] = -{{HOST_PAGE_NUM_FN0, HOSTFN0_INT_STATUS, - HOSTFN0_INT_MASK, HOST_MSIX_ERR_INDEX_FN0}, -{HOST_PAGE_NUM_FN1, HOSTFN1_INT_STATUS, - HOSTFN1_INT_MASK, HOST_MSIX_ERR_INDEX_FN1}, -{HOST_PAGE_NUM_FN2, HOSTFN2_INT_STATUS, - HOSTFN2_INT_MASK, HOST_MSIX_ERR_INDEX_FN2}, -{HOST_PAGE_NUM_FN3, HOSTFN3_INT_STATUS, - HOSTFN3_INT_MASK, HOST_MSIX_ERR_INDEX_FN3}, -}; - -enum bna_device_event { - DEVICE_E_ENABLE = 1, - DEVICE_E_DISABLE = 2, - DEVICE_E_IOC_READY = 3, - DEVICE_E_IOC_FAILED = 4, - DEVICE_E_IOC_DISABLED = 5, - DEVICE_E_IOC_RESET = 6, - DEVICE_E_PORT_STOPPED = 7, -}; - -enum bna_device_state { - BNA_DEVICE_STOPPED = 1, - BNA_DEVICE_IOC_READY_WAIT = 2, - BNA_DEVICE_READY = 3, - BNA_DEVICE_PORT_STOP_WAIT = 4, - BNA_DEVICE_IOC_DISABLE_WAIT = 5, - BNA_DEVICE_FAILED = 6 -}; - -bfa_fsm_state_decl(bna_device, stopped, struct bna_device, - enum bna_device_event); -bfa_fsm_state_decl(bna_device, ioc_ready_wait, struct bna_device, - enum bna_device_event); -bfa_fsm_state_decl(bna_device, ready, struct bna_device, - enum bna_device_event); -bfa_fsm_state_decl(bna_device, port_stop_wait, struct bna_device, - enum bna_device_event); -bfa_fsm_state_decl(bna_device, ioc_disable_wait, struct bna_device, - enum bna_device_event); -bfa_fsm_state_decl(bna_device, failed, struct bna_device, - enum bna_device_event); - -static struct bfa_sm_table device_sm_table[] = { - {BFA_SM(bna_device_sm_stopped), BNA_DEVICE_STOPPED}, - {BFA_SM(bna_device_sm_ioc_ready_wait), BNA_DEVICE_IOC_READY_WAIT}, - {BFA_SM(bna_device_sm_ready), BNA_DEVICE_READY}, - {BFA_SM(bna_device_sm_port_stop_wait), BNA_DEVICE_PORT_STOP_WAIT}, - {BFA_SM(bna_device_sm_ioc_disable_wait), BNA_DEVICE_IOC_DISABLE_WAIT}, - {BFA_SM(bna_device_sm_failed), BNA_DEVICE_FAILED}, -}; - -static void -bna_device_sm_stopped_entry(struct bna_device *device) -{ - if (device->stop_cbfn) - device->stop_cbfn(device->stop_cbarg, BNA_CB_SUCCESS); - - device->stop_cbfn = NULL; - device->stop_cbarg = NULL; -} - -static void -bna_device_sm_stopped(struct bna_device *device, - enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_ENABLE: - if (device->intr_type == BNA_INTR_T_MSIX) - bna_mbox_msix_idx_set(device); - bfa_nw_ioc_enable(&device->ioc); - bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait); - break; - - case DEVICE_E_DISABLE: - bfa_fsm_set_state(device, bna_device_sm_stopped); - break; - - case DEVICE_E_IOC_RESET: - enable_mbox_intr(device); - break; - - case DEVICE_E_IOC_FAILED: - bfa_fsm_set_state(device, bna_device_sm_failed); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_device_sm_ioc_ready_wait_entry(struct bna_device *device) -{ - /** - * Do not call bfa_ioc_enable() here. It must be called in the - * previous state due to failed -> ioc_ready_wait transition. - */ -} - -static void -bna_device_sm_ioc_ready_wait(struct bna_device *device, - enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_DISABLE: - if (device->ready_cbfn) - device->ready_cbfn(device->ready_cbarg, - BNA_CB_INTERRUPT); - device->ready_cbfn = NULL; - device->ready_cbarg = NULL; - bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); - break; - - case DEVICE_E_IOC_READY: - bfa_fsm_set_state(device, bna_device_sm_ready); - break; - - case DEVICE_E_IOC_FAILED: - bfa_fsm_set_state(device, bna_device_sm_failed); - break; - - case DEVICE_E_IOC_RESET: - enable_mbox_intr(device); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_device_sm_ready_entry(struct bna_device *device) -{ - bna_mbox_mod_start(&device->bna->mbox_mod); - bna_port_start(&device->bna->port); - - if (device->ready_cbfn) - device->ready_cbfn(device->ready_cbarg, - BNA_CB_SUCCESS); - device->ready_cbfn = NULL; - device->ready_cbarg = NULL; -} - -static void -bna_device_sm_ready(struct bna_device *device, enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_DISABLE: - bfa_fsm_set_state(device, bna_device_sm_port_stop_wait); - break; - - case DEVICE_E_IOC_FAILED: - bfa_fsm_set_state(device, bna_device_sm_failed); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_device_sm_port_stop_wait_entry(struct bna_device *device) -{ - bna_port_stop(&device->bna->port); -} - -static void -bna_device_sm_port_stop_wait(struct bna_device *device, - enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_PORT_STOPPED: - bna_mbox_mod_stop(&device->bna->mbox_mod); - bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); - break; - - case DEVICE_E_IOC_FAILED: - disable_mbox_intr(device); - bna_port_fail(&device->bna->port); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_device_sm_ioc_disable_wait_entry(struct bna_device *device) -{ - bfa_nw_ioc_disable(&device->ioc); -} - -static void -bna_device_sm_ioc_disable_wait(struct bna_device *device, - enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_IOC_DISABLED: - disable_mbox_intr(device); - bfa_fsm_set_state(device, bna_device_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_device_sm_failed_entry(struct bna_device *device) -{ - disable_mbox_intr(device); - bna_port_fail(&device->bna->port); - bna_mbox_mod_stop(&device->bna->mbox_mod); - - if (device->ready_cbfn) - device->ready_cbfn(device->ready_cbarg, - BNA_CB_FAIL); - device->ready_cbfn = NULL; - device->ready_cbarg = NULL; -} - -static void -bna_device_sm_failed(struct bna_device *device, - enum bna_device_event event) -{ - switch (event) { - case DEVICE_E_DISABLE: - bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); - break; - - case DEVICE_E_IOC_RESET: - enable_mbox_intr(device); - bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait); - break; - - default: - bfa_sm_fault(event); - } -} - -/* IOC callback functions */ - -static void -bna_device_cb_iocll_ready(void *dev, enum bfa_status error) -{ - struct bna_device *device = (struct bna_device *)dev; - - if (error) - bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED); - else - bfa_fsm_send_event(device, DEVICE_E_IOC_READY); -} - -static void -bna_device_cb_iocll_disabled(void *dev) -{ - struct bna_device *device = (struct bna_device *)dev; - - bfa_fsm_send_event(device, DEVICE_E_IOC_DISABLED); -} - -static void -bna_device_cb_iocll_failed(void *dev) -{ - struct bna_device *device = (struct bna_device *)dev; - - bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED); -} - -static void -bna_device_cb_iocll_reset(void *dev) -{ - struct bna_device *device = (struct bna_device *)dev; - - bfa_fsm_send_event(device, DEVICE_E_IOC_RESET); -} - -static struct bfa_ioc_cbfn bfa_iocll_cbfn = { - bna_device_cb_iocll_ready, - bna_device_cb_iocll_disabled, - bna_device_cb_iocll_failed, - bna_device_cb_iocll_reset -}; - -/* device */ -static void -bna_adv_device_init(struct bna_device *device, struct bna *bna, - struct bna_res_info *res_info) -{ - u8 *kva; - u64 dma; - - device->bna = bna; - - kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva; - - /** - * Attach common modules (Diag, SFP, CEE, Port) and claim respective - * DMA memory. - */ - BNA_GET_DMA_ADDR( - &res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma); - kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva; - - bfa_nw_cee_attach(&bna->cee, &device->ioc, bna); - bfa_nw_cee_mem_claim(&bna->cee, kva, dma); - kva += bfa_nw_cee_meminfo(); - dma += bfa_nw_cee_meminfo(); - -} - -static void -bna_device_init(struct bna_device *device, struct bna *bna, - struct bna_res_info *res_info) -{ - u64 dma; - - device->bna = bna; - - /** - * Attach IOC and claim: - * 1. DMA memory for IOC attributes - * 2. Kernel memory for FW trace - */ - bfa_nw_ioc_attach(&device->ioc, device, &bfa_iocll_cbfn); - bfa_nw_ioc_pci_init(&device->ioc, &bna->pcidev, BFI_MC_LL); - - BNA_GET_DMA_ADDR( - &res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma); - bfa_nw_ioc_mem_claim(&device->ioc, - res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva, - dma); - - bna_adv_device_init(device, bna, res_info); - /* - * Initialize mbox_mod only after IOC, so that mbox handler - * registration goes through - */ - device->intr_type = - res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type; - device->vector = - res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.idl[0].vector; - bna_mbox_mod_init(&bna->mbox_mod, bna); - - device->ready_cbfn = device->stop_cbfn = NULL; - device->ready_cbarg = device->stop_cbarg = NULL; - - bfa_fsm_set_state(device, bna_device_sm_stopped); -} - -static void -bna_device_uninit(struct bna_device *device) -{ - bna_mbox_mod_uninit(&device->bna->mbox_mod); - - bfa_nw_ioc_detach(&device->ioc); - - device->bna = NULL; -} - -static void -bna_device_cb_port_stopped(void *arg, enum bna_cb_status status) -{ - struct bna_device *device = (struct bna_device *)arg; - - bfa_fsm_send_event(device, DEVICE_E_PORT_STOPPED); -} - -static int -bna_device_status_get(struct bna_device *device) -{ - return device->fsm == (bfa_fsm_t)bna_device_sm_ready; -} - -void -bna_device_enable(struct bna_device *device) -{ - if (device->fsm != (bfa_fsm_t)bna_device_sm_stopped) { - bnad_cb_device_enabled(device->bna->bnad, BNA_CB_BUSY); - return; - } - - device->ready_cbfn = bnad_cb_device_enabled; - device->ready_cbarg = device->bna->bnad; - - bfa_fsm_send_event(device, DEVICE_E_ENABLE); -} - -void -bna_device_disable(struct bna_device *device, enum bna_cleanup_type type) -{ - if (type == BNA_SOFT_CLEANUP) { - bnad_cb_device_disabled(device->bna->bnad, BNA_CB_SUCCESS); - return; - } - - device->stop_cbfn = bnad_cb_device_disabled; - device->stop_cbarg = device->bna->bnad; - - bfa_fsm_send_event(device, DEVICE_E_DISABLE); -} - -static int -bna_device_state_get(struct bna_device *device) -{ - return bfa_sm_to_state(device_sm_table, device->fsm); -} - -const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = { - {12, 12}, - {6, 10}, - {5, 10}, - {4, 8}, - {3, 6}, - {3, 6}, - {2, 4}, - {1, 2}, -}; - -/* utils */ - -static void -bna_adv_res_req(struct bna_res_info *res_info) -{ - /* DMA memory for COMMON_MODULE */ - res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA; - res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN( - bfa_nw_cee_meminfo(), PAGE_SIZE); - - /* Virtual memory for retreiving fw_trc */ - res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 0; - res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = 0; - - /* DMA memory for retreiving stats */ - res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA; - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len = - ALIGN(BFI_HW_STATS_SIZE, PAGE_SIZE); - - /* Virtual memory for soft stats */ - res_info[BNA_RES_MEM_T_SWSTATS].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mem_type = BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.len = - sizeof(struct bna_sw_stats); -} - -static void -bna_sw_stats_get(struct bna *bna, struct bna_sw_stats *sw_stats) -{ - struct bna_tx *tx; - struct bna_txq *txq; - struct bna_rx *rx; - struct bna_rxp *rxp; - struct list_head *qe; - struct list_head *txq_qe; - struct list_head *rxp_qe; - struct list_head *mac_qe; - int i; - - sw_stats->device_state = bna_device_state_get(&bna->device); - sw_stats->port_state = bna_port_state_get(&bna->port); - sw_stats->port_flags = bna->port.flags; - sw_stats->llport_state = bna_llport_state_get(&bna->port.llport); - sw_stats->priority = bna->port.priority; - - i = 0; - list_for_each(qe, &bna->tx_mod.tx_active_q) { - tx = (struct bna_tx *)qe; - sw_stats->tx_stats[i].tx_state = bna_tx_state_get(tx); - sw_stats->tx_stats[i].tx_flags = tx->flags; - - sw_stats->tx_stats[i].num_txqs = 0; - sw_stats->tx_stats[i].txq_bmap[0] = 0; - sw_stats->tx_stats[i].txq_bmap[1] = 0; - list_for_each(txq_qe, &tx->txq_q) { - txq = (struct bna_txq *)txq_qe; - if (txq->txq_id < 32) - sw_stats->tx_stats[i].txq_bmap[0] |= - ((u32)1 << txq->txq_id); - else - sw_stats->tx_stats[i].txq_bmap[1] |= - ((u32) - 1 << (txq->txq_id - 32)); - sw_stats->tx_stats[i].num_txqs++; - } - - sw_stats->tx_stats[i].txf_id = tx->txf.txf_id; - - i++; - } - sw_stats->num_active_tx = i; - - i = 0; - list_for_each(qe, &bna->rx_mod.rx_active_q) { - rx = (struct bna_rx *)qe; - sw_stats->rx_stats[i].rx_state = bna_rx_state_get(rx); - sw_stats->rx_stats[i].rx_flags = rx->rx_flags; - - sw_stats->rx_stats[i].num_rxps = 0; - sw_stats->rx_stats[i].num_rxqs = 0; - sw_stats->rx_stats[i].rxq_bmap[0] = 0; - sw_stats->rx_stats[i].rxq_bmap[1] = 0; - sw_stats->rx_stats[i].cq_bmap[0] = 0; - sw_stats->rx_stats[i].cq_bmap[1] = 0; - list_for_each(rxp_qe, &rx->rxp_q) { - rxp = (struct bna_rxp *)rxp_qe; - - sw_stats->rx_stats[i].num_rxqs += 1; - - if (rxp->type == BNA_RXP_SINGLE) { - if (rxp->rxq.single.only->rxq_id < 32) { - sw_stats->rx_stats[i].rxq_bmap[0] |= - ((u32)1 << - rxp->rxq.single.only->rxq_id); - } else { - sw_stats->rx_stats[i].rxq_bmap[1] |= - ((u32)1 << - (rxp->rxq.single.only->rxq_id - 32)); - } - } else { - if (rxp->rxq.slr.large->rxq_id < 32) { - sw_stats->rx_stats[i].rxq_bmap[0] |= - ((u32)1 << - rxp->rxq.slr.large->rxq_id); - } else { - sw_stats->rx_stats[i].rxq_bmap[1] |= - ((u32)1 << - (rxp->rxq.slr.large->rxq_id - 32)); - } - - if (rxp->rxq.slr.small->rxq_id < 32) { - sw_stats->rx_stats[i].rxq_bmap[0] |= - ((u32)1 << - rxp->rxq.slr.small->rxq_id); - } else { - sw_stats->rx_stats[i].rxq_bmap[1] |= - ((u32)1 << - (rxp->rxq.slr.small->rxq_id - 32)); - } - sw_stats->rx_stats[i].num_rxqs += 1; - } - - if (rxp->cq.cq_id < 32) - sw_stats->rx_stats[i].cq_bmap[0] |= - (1 << rxp->cq.cq_id); - else - sw_stats->rx_stats[i].cq_bmap[1] |= - (1 << (rxp->cq.cq_id - 32)); - - sw_stats->rx_stats[i].num_rxps++; - } - - sw_stats->rx_stats[i].rxf_id = rx->rxf.rxf_id; - sw_stats->rx_stats[i].rxf_state = bna_rxf_state_get(&rx->rxf); - sw_stats->rx_stats[i].rxf_oper_state = rx->rxf.rxf_oper_state; - - sw_stats->rx_stats[i].num_active_ucast = 0; - if (rx->rxf.ucast_active_mac) - sw_stats->rx_stats[i].num_active_ucast++; - list_for_each(mac_qe, &rx->rxf.ucast_active_q) - sw_stats->rx_stats[i].num_active_ucast++; - - sw_stats->rx_stats[i].num_active_mcast = 0; - list_for_each(mac_qe, &rx->rxf.mcast_active_q) - sw_stats->rx_stats[i].num_active_mcast++; - - sw_stats->rx_stats[i].rxmode_active = rx->rxf.rxmode_active; - sw_stats->rx_stats[i].vlan_filter_status = - rx->rxf.vlan_filter_status; - memcpy(sw_stats->rx_stats[i].vlan_filter_table, - rx->rxf.vlan_filter_table, - sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32)); - - sw_stats->rx_stats[i].rss_status = rx->rxf.rss_status; - sw_stats->rx_stats[i].hds_status = rx->rxf.hds_status; - - i++; - } - sw_stats->num_active_rx = i; -} - -static void -bna_fw_cb_stats_get(void *arg, int status) -{ - struct bna *bna = (struct bna *)arg; - u64 *p_stats; - int i, count; - int rxf_count, txf_count; - u64 rxf_bmap, txf_bmap; - - bfa_q_qe_init(&bna->mbox_qe.qe); - - if (status == 0) { - p_stats = (u64 *)bna->stats.hw_stats; - count = sizeof(struct bfi_ll_stats) / sizeof(u64); - for (i = 0; i < count; i++) - p_stats[i] = cpu_to_be64(p_stats[i]); - - rxf_count = 0; - rxf_bmap = (u64)bna->stats.rxf_bmap[0] | - ((u64)bna->stats.rxf_bmap[1] << 32); - for (i = 0; i < BFI_LL_RXF_ID_MAX; i++) - if (rxf_bmap & ((u64)1 << i)) - rxf_count++; - - txf_count = 0; - txf_bmap = (u64)bna->stats.txf_bmap[0] | - ((u64)bna->stats.txf_bmap[1] << 32); - for (i = 0; i < BFI_LL_TXF_ID_MAX; i++) - if (txf_bmap & ((u64)1 << i)) - txf_count++; - - p_stats = (u64 *)&bna->stats.hw_stats->rxf_stats[0] + - ((rxf_count * sizeof(struct bfi_ll_stats_rxf) + - txf_count * sizeof(struct bfi_ll_stats_txf))/ - sizeof(u64)); - - /* Populate the TXF stats from the firmware DMAed copy */ - for (i = (BFI_LL_TXF_ID_MAX - 1); i >= 0; i--) - if (txf_bmap & ((u64)1 << i)) { - p_stats -= sizeof(struct bfi_ll_stats_txf)/ - sizeof(u64); - memcpy(&bna->stats.hw_stats->txf_stats[i], - p_stats, - sizeof(struct bfi_ll_stats_txf)); - } - - /* Populate the RXF stats from the firmware DMAed copy */ - for (i = (BFI_LL_RXF_ID_MAX - 1); i >= 0; i--) - if (rxf_bmap & ((u64)1 << i)) { - p_stats -= sizeof(struct bfi_ll_stats_rxf)/ - sizeof(u64); - memcpy(&bna->stats.hw_stats->rxf_stats[i], - p_stats, - sizeof(struct bfi_ll_stats_rxf)); - } - - bna_sw_stats_get(bna, bna->stats.sw_stats); - bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats); - } else - bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats); -} - -static void -bna_fw_stats_get(struct bna *bna) -{ - struct bfi_ll_stats_req ll_req; - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_GET_REQ, 0); - ll_req.stats_mask = htons(BFI_LL_STATS_ALL); - - ll_req.rxf_id_mask[0] = htonl(bna->rx_mod.rxf_bmap[0]); - ll_req.rxf_id_mask[1] = htonl(bna->rx_mod.rxf_bmap[1]); - ll_req.txf_id_mask[0] = htonl(bna->tx_mod.txf_bmap[0]); - ll_req.txf_id_mask[1] = htonl(bna->tx_mod.txf_bmap[1]); - - ll_req.host_buffer.a32.addr_hi = bna->hw_stats_dma.msb; - ll_req.host_buffer.a32.addr_lo = bna->hw_stats_dma.lsb; - - bna_mbox_qe_fill(&bna->mbox_qe, &ll_req, sizeof(ll_req), - bna_fw_cb_stats_get, bna); - bna_mbox_send(bna, &bna->mbox_qe); - - bna->stats.rxf_bmap[0] = bna->rx_mod.rxf_bmap[0]; - bna->stats.rxf_bmap[1] = bna->rx_mod.rxf_bmap[1]; - bna->stats.txf_bmap[0] = bna->tx_mod.txf_bmap[0]; - bna->stats.txf_bmap[1] = bna->tx_mod.txf_bmap[1]; -} - -void -bna_stats_get(struct bna *bna) -{ - if (bna_device_status_get(&bna->device)) - bna_fw_stats_get(bna); - else - bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats); -} - -/* IB */ -static void -bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo) -{ - ib->ib_config.coalescing_timeo = coalescing_timeo; - - if (ib->start_count) - ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK( - (u32)ib->ib_config.coalescing_timeo, 0); -} - -/* RxF */ -void -bna_rxf_adv_init(struct bna_rxf *rxf, - struct bna_rx *rx, - struct bna_rx_config *q_config) -{ - switch (q_config->rxp_type) { - case BNA_RXP_SINGLE: - /* No-op */ - break; - case BNA_RXP_SLR: - rxf->ctrl_flags |= BNA_RXF_CF_SM_LG_RXQ; - break; - case BNA_RXP_HDS: - rxf->hds_cfg.hdr_type = q_config->hds_config.hdr_type; - rxf->hds_cfg.header_size = - q_config->hds_config.header_size; - rxf->forced_offset = 0; - break; - default: - break; - } - - if (q_config->rss_status == BNA_STATUS_T_ENABLED) { - rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE; - rxf->rss_cfg.hash_type = q_config->rss_config.hash_type; - rxf->rss_cfg.hash_mask = q_config->rss_config.hash_mask; - memcpy(&rxf->rss_cfg.toeplitz_hash_key[0], - &q_config->rss_config.toeplitz_hash_key[0], - sizeof(rxf->rss_cfg.toeplitz_hash_key)); - } -} - -static void -rxf_fltr_mbox_cmd(struct bna_rxf *rxf, u8 cmd, enum bna_status status) -{ - struct bfi_ll_rxf_req req; - - bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0); - - req.rxf_id = rxf->rxf_id; - req.enable = status; - - bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req), - rxf_cb_cam_fltr_mbox_cmd, rxf); - - bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); -} - -int -rxf_process_packet_filter_ucast(struct bna_rxf *rxf) -{ - struct bna_mac *mac = NULL; - struct list_head *qe; - - /* Add additional MAC entries */ - if (!list_empty(&rxf->ucast_pending_add_q)) { - bfa_q_deq(&rxf->ucast_pending_add_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_ADD_REQ, mac); - list_add_tail(&mac->qe, &rxf->ucast_active_q); - return 1; - } - - /* Delete MAC addresses previousely added */ - if (!list_empty(&rxf->ucast_pending_del_q)) { - bfa_q_deq(&rxf->ucast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); - bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); - return 1; - } - - return 0; -} - -int -rxf_process_packet_filter_promisc(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - - /* Enable/disable promiscuous mode */ - if (is_promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move promisc configuration from pending -> active */ - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active |= BNA_RXMODE_PROMISC; - - /* Disable VLAN filter to allow all VLANs */ - __rxf_vlan_filter_set(rxf, BNA_STATUS_T_DISABLED); - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, - BNA_STATUS_T_ENABLED); - return 1; - } else if (is_promisc_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move promisc configuration from pending -> active */ - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; - bna->rxf_promisc_id = BFI_MAX_RXF; - - /* Revert VLAN filter */ - __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - return 0; -} - -int -rxf_process_packet_filter_allmulti(struct bna_rxf *rxf) -{ - /* Enable/disable allmulti mode */ - if (is_allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move allmulti configuration from pending -> active */ - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active |= BNA_RXMODE_ALLMULTI; - - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, - BNA_STATUS_T_ENABLED); - return 1; - } else if (is_allmulti_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move allmulti configuration from pending -> active */ - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; - - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - return 0; -} - -int -rxf_clear_packet_filter_ucast(struct bna_rxf *rxf) -{ - struct bna_mac *mac = NULL; - struct list_head *qe; - - /* 1. delete pending ucast entries */ - if (!list_empty(&rxf->ucast_pending_del_q)) { - bfa_q_deq(&rxf->ucast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); - bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); - return 1; - } - - /* 2. clear active ucast entries; move them to pending_add_q */ - if (!list_empty(&rxf->ucast_active_q)) { - bfa_q_deq(&rxf->ucast_active_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); - list_add_tail(&mac->qe, &rxf->ucast_pending_add_q); - return 1; - } - - return 0; -} - -int -rxf_clear_packet_filter_promisc(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - - /* 6. Execute pending promisc mode disable command */ - if (is_promisc_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move promisc configuration from pending -> active */ - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; - bna->rxf_promisc_id = BFI_MAX_RXF; - - /* Revert VLAN filter */ - __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - /* 7. Clear active promisc mode; move it to pending enable */ - if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { - /* move promisc configuration from active -> pending */ - promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; - - /* Revert VLAN filter */ - __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - return 0; -} - -int -rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf) -{ - /* 10. Execute pending allmulti mode disable command */ - if (is_allmulti_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* move allmulti configuration from pending -> active */ - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - /* 11. Clear active allmulti mode; move it to pending enable */ - if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { - /* move allmulti configuration from active -> pending */ - allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; - rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, - BNA_STATUS_T_DISABLED); - return 1; - } - - return 0; -} - -void -rxf_reset_packet_filter_ucast(struct bna_rxf *rxf) -{ - struct list_head *qe; - struct bna_mac *mac; - - /* 1. Move active ucast entries to pending_add_q */ - while (!list_empty(&rxf->ucast_active_q)) { - bfa_q_deq(&rxf->ucast_active_q, &qe); - bfa_q_qe_init(qe); - list_add_tail(qe, &rxf->ucast_pending_add_q); - } - - /* 2. Throw away delete pending ucast entries */ - while (!list_empty(&rxf->ucast_pending_del_q)) { - bfa_q_deq(&rxf->ucast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); - } -} - -void -rxf_reset_packet_filter_promisc(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - - /* 6. Clear pending promisc mode disable */ - if (is_promisc_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; - bna->rxf_promisc_id = BFI_MAX_RXF; - } - - /* 7. Move promisc mode config from active -> pending */ - if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { - promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; - } - -} - -void -rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf) -{ - /* 10. Clear pending allmulti mode disable */ - if (is_allmulti_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; - } - - /* 11. Move allmulti mode config from active -> pending */ - if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { - allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; - } -} - -/** - * Should only be called by bna_rxf_mode_set. - * Helps deciding if h/w configuration is needed or not. - * Returns: - * 0 = no h/w change - * 1 = need h/w change - */ -static int -rxf_promisc_enable(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - int ret = 0; - - /* There can not be any pending disable command */ - - /* Do nothing if pending enable or already enabled */ - if (is_promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask) || - (rxf->rxmode_active & BNA_RXMODE_PROMISC)) { - /* Schedule enable */ - } else { - /* Promisc mode should not be active in the system */ - promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - bna->rxf_promisc_id = rxf->rxf_id; - ret = 1; - } - - return ret; -} - -/** - * Should only be called by bna_rxf_mode_set. - * Helps deciding if h/w configuration is needed or not. - * Returns: - * 0 = no h/w change - * 1 = need h/w change - */ -static int -rxf_promisc_disable(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - int ret = 0; - - /* There can not be any pending disable */ - - /* Turn off pending enable command , if any */ - if (is_promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* Promisc mode should not be active */ - /* system promisc state should be pending */ - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - /* Remove the promisc state from the system */ - bna->rxf_promisc_id = BFI_MAX_RXF; - - /* Schedule disable */ - } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { - /* Promisc mode should be active in the system */ - promisc_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - ret = 1; - - /* Do nothing if already disabled */ - } else { - } - - return ret; -} - -/** - * Should only be called by bna_rxf_mode_set. - * Helps deciding if h/w configuration is needed or not. - * Returns: - * 0 = no h/w change - * 1 = need h/w change - */ -static int -rxf_allmulti_enable(struct bna_rxf *rxf) -{ - int ret = 0; - - /* There can not be any pending disable command */ - - /* Do nothing if pending enable or already enabled */ - if (is_allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask) || - (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) { - /* Schedule enable */ - } else { - allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - ret = 1; - } - - return ret; -} - -/** - * Should only be called by bna_rxf_mode_set. - * Helps deciding if h/w configuration is needed or not. - * Returns: - * 0 = no h/w change - * 1 = need h/w change - */ -static int -rxf_allmulti_disable(struct bna_rxf *rxf) -{ - int ret = 0; - - /* There can not be any pending disable */ - - /* Turn off pending enable command , if any */ - if (is_allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* Allmulti mode should not be active */ - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - - /* Schedule disable */ - } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { - allmulti_disable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - ret = 1; - } - - return ret; -} - -/* RxF <- bnad */ -enum bna_cb_status -bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode, - enum bna_rxmode bitmask, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)) -{ - struct bna_rxf *rxf = &rx->rxf; - int need_hw_config = 0; - - /* Process the commands */ - - if (is_promisc_enable(new_mode, bitmask)) { - /* If promisc mode is already enabled elsewhere in the system */ - if ((rx->bna->rxf_promisc_id != BFI_MAX_RXF) && - (rx->bna->rxf_promisc_id != rxf->rxf_id)) - goto err_return; - if (rxf_promisc_enable(rxf)) - need_hw_config = 1; - } else if (is_promisc_disable(new_mode, bitmask)) { - if (rxf_promisc_disable(rxf)) - need_hw_config = 1; - } - - if (is_allmulti_enable(new_mode, bitmask)) { - if (rxf_allmulti_enable(rxf)) - need_hw_config = 1; - } else if (is_allmulti_disable(new_mode, bitmask)) { - if (rxf_allmulti_disable(rxf)) - need_hw_config = 1; - } - - /* Trigger h/w if needed */ - - if (need_hw_config) { - rxf->cam_fltr_cbfn = cbfn; - rxf->cam_fltr_cbarg = rx->bna->bnad; - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - } else if (cbfn) - (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); - - return BNA_CB_SUCCESS; - -err_return: - return BNA_CB_FAIL; -} - -void -/* RxF <- bnad */ -bna_rx_vlanfilter_enable(struct bna_rx *rx) -{ - struct bna_rxf *rxf = &rx->rxf; - - if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) { - rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; - rxf->vlan_filter_status = BNA_STATUS_T_ENABLED; - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - } -} - -/* Rx */ - -/* Rx <- bnad */ -void -bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo) -{ - struct bna_rxp *rxp; - struct list_head *qe; - - list_for_each(qe, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe; - rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo; - bna_ib_coalescing_timeo_set(rxp->cq.ib, coalescing_timeo); - } -} - -/* Rx <- bnad */ -void -bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]) -{ - int i, j; - - for (i = 0; i < BNA_LOAD_T_MAX; i++) - for (j = 0; j < BNA_BIAS_T_MAX; j++) - bna->rx_mod.dim_vector[i][j] = vector[i][j]; -} - -/* Rx <- bnad */ -void -bna_rx_dim_update(struct bna_ccb *ccb) -{ - struct bna *bna = ccb->cq->rx->bna; - u32 load, bias; - u32 pkt_rt, small_rt, large_rt; - u8 coalescing_timeo; - - if ((ccb->pkt_rate.small_pkt_cnt == 0) && - (ccb->pkt_rate.large_pkt_cnt == 0)) - return; - - /* Arrive at preconfigured coalescing timeo value based on pkt rate */ - - small_rt = ccb->pkt_rate.small_pkt_cnt; - large_rt = ccb->pkt_rate.large_pkt_cnt; - - pkt_rt = small_rt + large_rt; - - if (pkt_rt < BNA_PKT_RATE_10K) - load = BNA_LOAD_T_LOW_4; - else if (pkt_rt < BNA_PKT_RATE_20K) - load = BNA_LOAD_T_LOW_3; - else if (pkt_rt < BNA_PKT_RATE_30K) - load = BNA_LOAD_T_LOW_2; - else if (pkt_rt < BNA_PKT_RATE_40K) - load = BNA_LOAD_T_LOW_1; - else if (pkt_rt < BNA_PKT_RATE_50K) - load = BNA_LOAD_T_HIGH_1; - else if (pkt_rt < BNA_PKT_RATE_60K) - load = BNA_LOAD_T_HIGH_2; - else if (pkt_rt < BNA_PKT_RATE_80K) - load = BNA_LOAD_T_HIGH_3; - else - load = BNA_LOAD_T_HIGH_4; - - if (small_rt > (large_rt << 1)) - bias = 0; - else - bias = 1; - - ccb->pkt_rate.small_pkt_cnt = 0; - ccb->pkt_rate.large_pkt_cnt = 0; - - coalescing_timeo = bna->rx_mod.dim_vector[load][bias]; - ccb->rx_coalescing_timeo = coalescing_timeo; - - /* Set it to IB */ - bna_ib_coalescing_timeo_set(ccb->cq->ib, coalescing_timeo); -} - -/* Tx */ -/* TX <- bnad */ -void -bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo) -{ - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_coalescing_timeo_set(txq->ib, coalescing_timeo); - } -} - -/* - * Private data - */ - -struct bna_ritseg_pool_cfg { - u32 pool_size; - u32 pool_entry_size; -}; -init_ritseg_pool(ritseg_pool_cfg); - -/* - * Private functions - */ -static void -bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna, - struct bna_res_info *res_info) -{ - int i; - - ucam_mod->ucmac = (struct bna_mac *) - res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva; - - INIT_LIST_HEAD(&ucam_mod->free_q); - for (i = 0; i < BFI_MAX_UCMAC; i++) { - bfa_q_qe_init(&ucam_mod->ucmac[i].qe); - list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q); - } - - ucam_mod->bna = bna; -} - -static void -bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod) -{ - struct list_head *qe; - int i = 0; - - list_for_each(qe, &ucam_mod->free_q) - i++; - - ucam_mod->bna = NULL; -} - -static void -bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna, - struct bna_res_info *res_info) -{ - int i; - - mcam_mod->mcmac = (struct bna_mac *) - res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva; - - INIT_LIST_HEAD(&mcam_mod->free_q); - for (i = 0; i < BFI_MAX_MCMAC; i++) { - bfa_q_qe_init(&mcam_mod->mcmac[i].qe); - list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q); - } - - mcam_mod->bna = bna; -} - -static void -bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod) -{ - struct list_head *qe; - int i = 0; - - list_for_each(qe, &mcam_mod->free_q) - i++; - - mcam_mod->bna = NULL; -} - -static void -bna_rit_mod_init(struct bna_rit_mod *rit_mod, - struct bna_res_info *res_info) -{ - int i; - int j; - int count; - int offset; - - rit_mod->rit = (struct bna_rit_entry *) - res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mdl[0].kva; - rit_mod->rit_segment = (struct bna_rit_segment *) - res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mdl[0].kva; - - count = 0; - offset = 0; - for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { - INIT_LIST_HEAD(&rit_mod->rit_seg_pool[i]); - for (j = 0; j < ritseg_pool_cfg[i].pool_size; j++) { - bfa_q_qe_init(&rit_mod->rit_segment[count].qe); - rit_mod->rit_segment[count].max_rit_size = - ritseg_pool_cfg[i].pool_entry_size; - rit_mod->rit_segment[count].rit_offset = offset; - rit_mod->rit_segment[count].rit = - &rit_mod->rit[offset]; - list_add_tail(&rit_mod->rit_segment[count].qe, - &rit_mod->rit_seg_pool[i]); - count++; - offset += ritseg_pool_cfg[i].pool_entry_size; - } - } -} - -/* - * Public functions - */ - -/* Called during probe(), before calling bna_init() */ -void -bna_res_req(struct bna_res_info *res_info) -{ - bna_adv_res_req(res_info); - - /* DMA memory for retrieving IOC attributes */ - res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA; - res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len = - ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE); - - /* DMA memory for index segment of an IB */ - res_info[BNA_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mem_type = BNA_MEM_T_DMA; - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.len = - BFI_IBIDX_SIZE * BFI_IBIDX_MAX_SEGSIZE; - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.num = BFI_MAX_IB; - - /* Virtual memory for IB objects - stored by IB module */ - res_info[BNA_RES_MEM_T_IB_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.len = - BFI_MAX_IB * sizeof(struct bna_ib); - - /* Virtual memory for intr objects - stored by IB module */ - res_info[BNA_RES_MEM_T_INTR_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.len = - BFI_MAX_IB * sizeof(struct bna_intr); - - /* Virtual memory for idx_seg objects - stored by IB module */ - res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.len = - BFI_IBIDX_TOTAL_SEGS * sizeof(struct bna_ibidx_seg); - - /* Virtual memory for Tx objects - stored by Tx module */ - res_info[BNA_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.len = - BFI_MAX_TXQ * sizeof(struct bna_tx); - - /* Virtual memory for TxQ - stored by Tx module */ - res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len = - BFI_MAX_TXQ * sizeof(struct bna_txq); - - /* Virtual memory for Rx objects - stored by Rx module */ - res_info[BNA_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.len = - BFI_MAX_RXQ * sizeof(struct bna_rx); - - /* Virtual memory for RxPath - stored by Rx module */ - res_info[BNA_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len = - BFI_MAX_RXQ * sizeof(struct bna_rxp); - - /* Virtual memory for RxQ - stored by Rx module */ - res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len = - BFI_MAX_RXQ * sizeof(struct bna_rxq); - - /* Virtual memory for Unicast MAC address - stored by ucam module */ - res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len = - BFI_MAX_UCMAC * sizeof(struct bna_mac); - - /* Virtual memory for Multicast MAC address - stored by mcam module */ - res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len = - BFI_MAX_MCMAC * sizeof(struct bna_mac); - - /* Virtual memory for RIT entries */ - res_info[BNA_RES_MEM_T_RIT_ENTRY].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.len = - BFI_MAX_RIT_SIZE * sizeof(struct bna_rit_entry); - - /* Virtual memory for RIT segment table */ - res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_type = BNA_RES_T_MEM; - res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mem_type = - BNA_MEM_T_KVA; - res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.num = 1; - res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.len = - BFI_RIT_TOTAL_SEGS * sizeof(struct bna_rit_segment); - - /* Interrupt resource for mailbox interrupt */ - res_info[BNA_RES_INTR_T_MBOX].res_type = BNA_RES_T_INTR; - res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type = - BNA_INTR_T_MSIX; - res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.num = 1; -} - -/* Called during probe() */ -void -bna_init(struct bna *bna, struct bnad *bnad, struct bfa_pcidev *pcidev, - struct bna_res_info *res_info) -{ - bna->bnad = bnad; - bna->pcidev = *pcidev; - - bna->stats.hw_stats = (struct bfi_ll_stats *) - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva; - bna->hw_stats_dma.msb = - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb; - bna->hw_stats_dma.lsb = - res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb; - bna->stats.sw_stats = (struct bna_sw_stats *) - res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mdl[0].kva; - - bna->regs.page_addr = bna->pcidev.pci_bar_kva + - reg_offset[bna->pcidev.pci_func].page_addr; - bna->regs.fn_int_status = bna->pcidev.pci_bar_kva + - reg_offset[bna->pcidev.pci_func].fn_int_status; - bna->regs.fn_int_mask = bna->pcidev.pci_bar_kva + - reg_offset[bna->pcidev.pci_func].fn_int_mask; - - if (bna->pcidev.pci_func < 3) - bna->port_num = 0; - else - bna->port_num = 1; - - /* Also initializes diag, cee, sfp, phy_port and mbox_mod */ - bna_device_init(&bna->device, bna, res_info); - - bna_port_init(&bna->port, bna); - - bna_tx_mod_init(&bna->tx_mod, bna, res_info); - - bna_rx_mod_init(&bna->rx_mod, bna, res_info); - - bna_ib_mod_init(&bna->ib_mod, bna, res_info); - - bna_rit_mod_init(&bna->rit_mod, res_info); - - bna_ucam_mod_init(&bna->ucam_mod, bna, res_info); - - bna_mcam_mod_init(&bna->mcam_mod, bna, res_info); - - bna->rxf_promisc_id = BFI_MAX_RXF; - - /* Mbox q element for posting stat request to f/w */ - bfa_q_qe_init(&bna->mbox_qe.qe); -} - -void -bna_uninit(struct bna *bna) -{ - bna_mcam_mod_uninit(&bna->mcam_mod); - - bna_ucam_mod_uninit(&bna->ucam_mod); - - bna_ib_mod_uninit(&bna->ib_mod); - - bna_rx_mod_uninit(&bna->rx_mod); - - bna_tx_mod_uninit(&bna->tx_mod); - - bna_port_uninit(&bna->port); - - bna_device_uninit(&bna->device); - - bna->bnad = NULL; -} - -struct bna_mac * -bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod) -{ - struct list_head *qe; - - if (list_empty(&ucam_mod->free_q)) - return NULL; - - bfa_q_deq(&ucam_mod->free_q, &qe); - - return (struct bna_mac *)qe; -} - -void -bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, struct bna_mac *mac) -{ - list_add_tail(&mac->qe, &ucam_mod->free_q); -} - -struct bna_mac * -bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod) -{ - struct list_head *qe; - - if (list_empty(&mcam_mod->free_q)) - return NULL; - - bfa_q_deq(&mcam_mod->free_q, &qe); - - return (struct bna_mac *)qe; -} - -void -bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, struct bna_mac *mac) -{ - list_add_tail(&mac->qe, &mcam_mod->free_q); -} - -/** - * Note: This should be called in the same locking context as the call to - * bna_rit_mod_seg_get() - */ -int -bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size) -{ - int i; - - /* Select the pool for seg_size */ - for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { - if (seg_size <= ritseg_pool_cfg[i].pool_entry_size) - break; - } - - if (i == BFI_RIT_SEG_TOTAL_POOLS) - return 0; - - if (list_empty(&rit_mod->rit_seg_pool[i])) - return 0; - - return 1; -} - -struct bna_rit_segment * -bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size) -{ - struct bna_rit_segment *seg; - struct list_head *qe; - int i; - - /* Select the pool for seg_size */ - for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { - if (seg_size <= ritseg_pool_cfg[i].pool_entry_size) - break; - } - - if (i == BFI_RIT_SEG_TOTAL_POOLS) - return NULL; - - if (list_empty(&rit_mod->rit_seg_pool[i])) - return NULL; - - bfa_q_deq(&rit_mod->rit_seg_pool[i], &qe); - seg = (struct bna_rit_segment *)qe; - bfa_q_qe_init(&seg->qe); - seg->rit_size = seg_size; - - return seg; -} - -void -bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod, - struct bna_rit_segment *seg) -{ - int i; - - /* Select the pool for seg->max_rit_size */ - for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { - if (seg->max_rit_size == ritseg_pool_cfg[i].pool_entry_size) - break; - } - - seg->rit_size = 0; - list_add_tail(&seg->qe, &rit_mod->rit_seg_pool[i]); -} diff --git a/drivers/net/bna/bna_hw.h b/drivers/net/bna/bna_hw.h deleted file mode 100644 index 16a5eed4a03b..000000000000 --- a/drivers/net/bna/bna_hw.h +++ /dev/null @@ -1,1492 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -/** - * File for interrupt macros and functions - */ - -#ifndef __BNA_HW_H__ -#define __BNA_HW_H__ - -#include "bfi_reg.h" - -/** - * - * SW imposed limits - * - */ - -#ifndef BNA_BIOS_BUILD - -#define BFI_MAX_TXQ 64 -#define BFI_MAX_RXQ 64 -#define BFI_MAX_RXF 64 -#define BFI_MAX_IB 128 -#define BFI_MAX_RIT_SIZE 256 -#define BFI_RSS_RIT_SIZE 64 -#define BFI_NONRSS_RIT_SIZE 1 -#define BFI_MAX_UCMAC 256 -#define BFI_MAX_MCMAC 512 -#define BFI_IBIDX_SIZE 4 -#define BFI_MAX_VLAN 4095 - -/** - * There are 2 free IB index pools: - * pool1: 120 segments of 1 index each - * pool8: 1 segment of 8 indexes - */ -#define BFI_IBIDX_POOL1_SIZE 116 -#define BFI_IBIDX_POOL1_ENTRY_SIZE 1 -#define BFI_IBIDX_POOL2_SIZE 2 -#define BFI_IBIDX_POOL2_ENTRY_SIZE 2 -#define BFI_IBIDX_POOL8_SIZE 1 -#define BFI_IBIDX_POOL8_ENTRY_SIZE 8 -#define BFI_IBIDX_TOTAL_POOLS 3 -#define BFI_IBIDX_TOTAL_SEGS 119 /* (POOL1 + POOL2 + POOL8)_SIZE */ -#define BFI_IBIDX_MAX_SEGSIZE 8 -#define init_ibidx_pool(name) \ -static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \ -{ \ - { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE }, \ - { BFI_IBIDX_POOL2_SIZE, BFI_IBIDX_POOL2_ENTRY_SIZE }, \ - { BFI_IBIDX_POOL8_SIZE, BFI_IBIDX_POOL8_ENTRY_SIZE } \ -} - -/** - * There are 2 free RIT segment pools: - * Pool1: 192 segments of 1 RIT entry each - * Pool2: 1 segment of 64 RIT entry - */ -#define BFI_RIT_SEG_POOL1_SIZE 192 -#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1 -#define BFI_RIT_SEG_POOLRSS_SIZE 1 -#define BFI_RIT_SEG_POOLRSS_ENTRY_SIZE 64 -#define BFI_RIT_SEG_TOTAL_POOLS 2 -#define BFI_RIT_TOTAL_SEGS 193 /* POOL1_SIZE + POOLRSS_SIZE */ -#define init_ritseg_pool(name) \ -static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \ -{ \ - { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE }, \ - { BFI_RIT_SEG_POOLRSS_SIZE, BFI_RIT_SEG_POOLRSS_ENTRY_SIZE } \ -} - -#else /* BNA_BIOS_BUILD */ - -#define BFI_MAX_TXQ 1 -#define BFI_MAX_RXQ 1 -#define BFI_MAX_RXF 1 -#define BFI_MAX_IB 2 -#define BFI_MAX_RIT_SIZE 2 -#define BFI_RSS_RIT_SIZE 64 -#define BFI_NONRSS_RIT_SIZE 1 -#define BFI_MAX_UCMAC 1 -#define BFI_MAX_MCMAC 8 -#define BFI_IBIDX_SIZE 4 -#define BFI_MAX_VLAN 4095 -/* There is one free pool: 2 segments of 1 index each */ -#define BFI_IBIDX_POOL1_SIZE 2 -#define BFI_IBIDX_POOL1_ENTRY_SIZE 1 -#define BFI_IBIDX_TOTAL_POOLS 1 -#define BFI_IBIDX_TOTAL_SEGS 2 /* POOL1_SIZE */ -#define BFI_IBIDX_MAX_SEGSIZE 1 -#define init_ibidx_pool(name) \ -static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \ -{ \ - { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE } \ -} - -#define BFI_RIT_SEG_POOL1_SIZE 1 -#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1 -#define BFI_RIT_SEG_TOTAL_POOLS 1 -#define BFI_RIT_TOTAL_SEGS 1 /* POOL1_SIZE */ -#define init_ritseg_pool(name) \ -static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \ -{ \ - { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE } \ -} - -#endif /* BNA_BIOS_BUILD */ - -#define BFI_RSS_HASH_KEY_LEN 10 - -#define BFI_COALESCING_TIMER_UNIT 5 /* 5us */ -#define BFI_MAX_COALESCING_TIMEO 0xFF /* in 5us units */ -#define BFI_MAX_INTERPKT_COUNT 0xFF -#define BFI_MAX_INTERPKT_TIMEO 0xF /* in 0.5us units */ -#define BFI_TX_COALESCING_TIMEO 20 /* 20 * 5 = 100us */ -#define BFI_TX_INTERPKT_COUNT 32 -#define BFI_RX_COALESCING_TIMEO 12 /* 12 * 5 = 60us */ -#define BFI_RX_INTERPKT_COUNT 6 /* Pkt Cnt = 6 */ -#define BFI_RX_INTERPKT_TIMEO 3 /* 3 * 0.5 = 1.5us */ - -#define BFI_TXQ_WI_SIZE 64 /* bytes */ -#define BFI_RXQ_WI_SIZE 8 /* bytes */ -#define BFI_CQ_WI_SIZE 16 /* bytes */ -#define BFI_TX_MAX_WRR_QUOTA 0xFFF - -#define BFI_TX_MAX_VECTORS_PER_WI 4 -#define BFI_TX_MAX_VECTORS_PER_PKT 0xFF -#define BFI_TX_MAX_DATA_PER_VECTOR 0xFFFF -#define BFI_TX_MAX_DATA_PER_PKT 0xFFFFFF - -/* Small Q buffer size */ -#define BFI_SMALL_RXBUF_SIZE 128 - -/* Defined separately since BFA_FLASH_DMA_BUF_SZ is in bfa_flash.c */ -#define BFI_FLASH_DMA_BUF_SZ 0x010000 /* 64K DMA */ -#define BFI_HW_STATS_SIZE 0x4000 /* 16K DMA */ - -/** - * - * HW register offsets, macros - * - */ - -/* DMA Block Register Host Window Start Address */ -#define DMA_BLK_REG_ADDR 0x00013000 - -/* DMA Block Internal Registers */ -#define DMA_CTRL_REG0 (DMA_BLK_REG_ADDR + 0x000) -#define DMA_CTRL_REG1 (DMA_BLK_REG_ADDR + 0x004) -#define DMA_ERR_INT_STATUS (DMA_BLK_REG_ADDR + 0x008) -#define DMA_ERR_INT_ENABLE (DMA_BLK_REG_ADDR + 0x00c) -#define DMA_ERR_INT_STATUS_SET (DMA_BLK_REG_ADDR + 0x010) - -/* APP Block Register Address Offset from BAR0 */ -#define APP_BLK_REG_ADDR 0x00014000 - -/* Host Function Interrupt Mask Registers */ -#define HOSTFN0_INT_MASK (APP_BLK_REG_ADDR + 0x004) -#define HOSTFN1_INT_MASK (APP_BLK_REG_ADDR + 0x104) -#define HOSTFN2_INT_MASK (APP_BLK_REG_ADDR + 0x304) -#define HOSTFN3_INT_MASK (APP_BLK_REG_ADDR + 0x404) - -/** - * Host Function PCIe Error Registers - * Duplicates "Correctable" & "Uncorrectable" - * registers in PCIe Config space. - */ -#define FN0_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x014) -#define FN1_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x114) -#define FN2_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x314) -#define FN3_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x414) - -/* Host Function Error Type Status Registers */ -#define FN0_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x018) -#define FN1_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x118) -#define FN2_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x318) -#define FN3_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x418) - -/* Host Function Error Type Mask Registers */ -#define FN0_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x01c) -#define FN1_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x11c) -#define FN2_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x31c) -#define FN3_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x41c) - -/* Catapult Host Semaphore Status Registers (App block) */ -#define HOST_SEM_STS0_REG (APP_BLK_REG_ADDR + 0x630) -#define HOST_SEM_STS1_REG (APP_BLK_REG_ADDR + 0x634) -#define HOST_SEM_STS2_REG (APP_BLK_REG_ADDR + 0x638) -#define HOST_SEM_STS3_REG (APP_BLK_REG_ADDR + 0x63c) -#define HOST_SEM_STS4_REG (APP_BLK_REG_ADDR + 0x640) -#define HOST_SEM_STS5_REG (APP_BLK_REG_ADDR + 0x644) -#define HOST_SEM_STS6_REG (APP_BLK_REG_ADDR + 0x648) -#define HOST_SEM_STS7_REG (APP_BLK_REG_ADDR + 0x64c) - -/* PCIe Misc Register */ -#define PCIE_MISC_REG (APP_BLK_REG_ADDR + 0x200) - -/* Temp Sensor Control Registers */ -#define TEMPSENSE_CNTL_REG (APP_BLK_REG_ADDR + 0x250) -#define TEMPSENSE_STAT_REG (APP_BLK_REG_ADDR + 0x254) - -/* APP Block local error registers */ -#define APP_LOCAL_ERR_STAT (APP_BLK_REG_ADDR + 0x258) -#define APP_LOCAL_ERR_MSK (APP_BLK_REG_ADDR + 0x25c) - -/* PCIe Link Error registers */ -#define PCIE_LNK_ERR_STAT (APP_BLK_REG_ADDR + 0x260) -#define PCIE_LNK_ERR_MSK (APP_BLK_REG_ADDR + 0x264) - -/** - * FCoE/FIP Ethertype Register - * 31:16 -- Chip wide value for FIP type - * 15:0 -- Chip wide value for FCoE type - */ -#define FCOE_FIP_ETH_TYPE (APP_BLK_REG_ADDR + 0x280) - -/** - * Reserved Ethertype Register - * 31:16 -- Reserved - * 15:0 -- Other ethertype - */ -#define RESV_ETH_TYPE (APP_BLK_REG_ADDR + 0x284) - -/** - * Host Command Status Registers - * Each set consists of 3 registers : - * clear, set, cmd - * 16 such register sets in all - * See catapult_spec.pdf for detailed functionality - * Put each type in a single macro accessed by _num ? - */ -#define HOST_CMDSTS0_CLR_REG (APP_BLK_REG_ADDR + 0x500) -#define HOST_CMDSTS0_SET_REG (APP_BLK_REG_ADDR + 0x504) -#define HOST_CMDSTS0_REG (APP_BLK_REG_ADDR + 0x508) -#define HOST_CMDSTS1_CLR_REG (APP_BLK_REG_ADDR + 0x510) -#define HOST_CMDSTS1_SET_REG (APP_BLK_REG_ADDR + 0x514) -#define HOST_CMDSTS1_REG (APP_BLK_REG_ADDR + 0x518) -#define HOST_CMDSTS2_CLR_REG (APP_BLK_REG_ADDR + 0x520) -#define HOST_CMDSTS2_SET_REG (APP_BLK_REG_ADDR + 0x524) -#define HOST_CMDSTS2_REG (APP_BLK_REG_ADDR + 0x528) -#define HOST_CMDSTS3_CLR_REG (APP_BLK_REG_ADDR + 0x530) -#define HOST_CMDSTS3_SET_REG (APP_BLK_REG_ADDR + 0x534) -#define HOST_CMDSTS3_REG (APP_BLK_REG_ADDR + 0x538) -#define HOST_CMDSTS4_CLR_REG (APP_BLK_REG_ADDR + 0x540) -#define HOST_CMDSTS4_SET_REG (APP_BLK_REG_ADDR + 0x544) -#define HOST_CMDSTS4_REG (APP_BLK_REG_ADDR + 0x548) -#define HOST_CMDSTS5_CLR_REG (APP_BLK_REG_ADDR + 0x550) -#define HOST_CMDSTS5_SET_REG (APP_BLK_REG_ADDR + 0x554) -#define HOST_CMDSTS5_REG (APP_BLK_REG_ADDR + 0x558) -#define HOST_CMDSTS6_CLR_REG (APP_BLK_REG_ADDR + 0x560) -#define HOST_CMDSTS6_SET_REG (APP_BLK_REG_ADDR + 0x564) -#define HOST_CMDSTS6_REG (APP_BLK_REG_ADDR + 0x568) -#define HOST_CMDSTS7_CLR_REG (APP_BLK_REG_ADDR + 0x570) -#define HOST_CMDSTS7_SET_REG (APP_BLK_REG_ADDR + 0x574) -#define HOST_CMDSTS7_REG (APP_BLK_REG_ADDR + 0x578) -#define HOST_CMDSTS8_CLR_REG (APP_BLK_REG_ADDR + 0x580) -#define HOST_CMDSTS8_SET_REG (APP_BLK_REG_ADDR + 0x584) -#define HOST_CMDSTS8_REG (APP_BLK_REG_ADDR + 0x588) -#define HOST_CMDSTS9_CLR_REG (APP_BLK_REG_ADDR + 0x590) -#define HOST_CMDSTS9_SET_REG (APP_BLK_REG_ADDR + 0x594) -#define HOST_CMDSTS9_REG (APP_BLK_REG_ADDR + 0x598) -#define HOST_CMDSTS10_CLR_REG (APP_BLK_REG_ADDR + 0x5A0) -#define HOST_CMDSTS10_SET_REG (APP_BLK_REG_ADDR + 0x5A4) -#define HOST_CMDSTS10_REG (APP_BLK_REG_ADDR + 0x5A8) -#define HOST_CMDSTS11_CLR_REG (APP_BLK_REG_ADDR + 0x5B0) -#define HOST_CMDSTS11_SET_REG (APP_BLK_REG_ADDR + 0x5B4) -#define HOST_CMDSTS11_REG (APP_BLK_REG_ADDR + 0x5B8) -#define HOST_CMDSTS12_CLR_REG (APP_BLK_REG_ADDR + 0x5C0) -#define HOST_CMDSTS12_SET_REG (APP_BLK_REG_ADDR + 0x5C4) -#define HOST_CMDSTS12_REG (APP_BLK_REG_ADDR + 0x5C8) -#define HOST_CMDSTS13_CLR_REG (APP_BLK_REG_ADDR + 0x5D0) -#define HOST_CMDSTS13_SET_REG (APP_BLK_REG_ADDR + 0x5D4) -#define HOST_CMDSTS13_REG (APP_BLK_REG_ADDR + 0x5D8) -#define HOST_CMDSTS14_CLR_REG (APP_BLK_REG_ADDR + 0x5E0) -#define HOST_CMDSTS14_SET_REG (APP_BLK_REG_ADDR + 0x5E4) -#define HOST_CMDSTS14_REG (APP_BLK_REG_ADDR + 0x5E8) -#define HOST_CMDSTS15_CLR_REG (APP_BLK_REG_ADDR + 0x5F0) -#define HOST_CMDSTS15_SET_REG (APP_BLK_REG_ADDR + 0x5F4) -#define HOST_CMDSTS15_REG (APP_BLK_REG_ADDR + 0x5F8) - -/** - * LPU0 Block Register Address Offset from BAR0 - * Range 0x18000 - 0x18033 - */ -#define LPU0_BLK_REG_ADDR 0x00018000 - -/** - * LPU0 Registers - * Should they be directly used from host, - * except for diagnostics ? - * CTL_REG : Control register - * CMD_REG : Triggers exec. of cmd. in - * Mailbox memory - */ -#define LPU0_MBOX_CTL_REG (LPU0_BLK_REG_ADDR + 0x000) -#define LPU0_MBOX_CMD_REG (LPU0_BLK_REG_ADDR + 0x004) -#define LPU0_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x008) -#define LPU1_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x00c) -#define LPU0_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x010) -#define LPU1_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x014) -#define LPU0_ERR_STATUS_REG (LPU0_BLK_REG_ADDR + 0x018) -#define LPU0_ERR_SET_REG (LPU0_BLK_REG_ADDR + 0x020) - -/** - * LPU1 Block Register Address Offset from BAR0 - * Range 0x18400 - 0x18433 - */ -#define LPU1_BLK_REG_ADDR 0x00018400 - -/** - * LPU1 Registers - * Same as LPU0 registers above - */ -#define LPU1_MBOX_CTL_REG (LPU1_BLK_REG_ADDR + 0x000) -#define LPU1_MBOX_CMD_REG (LPU1_BLK_REG_ADDR + 0x004) -#define LPU0_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x008) -#define LPU1_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x00c) -#define LPU0_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x010) -#define LPU1_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x014) -#define LPU1_ERR_STATUS_REG (LPU1_BLK_REG_ADDR + 0x018) -#define LPU1_ERR_SET_REG (LPU1_BLK_REG_ADDR + 0x020) - -/** - * PSS Block Register Address Offset from BAR0 - * Range 0x18800 - 0x188DB - */ -#define PSS_BLK_REG_ADDR 0x00018800 - -/** - * PSS Registers - * For details, see catapult_spec.pdf - * ERR_STATUS_REG : Indicates error in PSS module - * RAM_ERR_STATUS_REG : Indicates RAM module that detected error - */ -#define ERR_STATUS_SET (PSS_BLK_REG_ADDR + 0x018) -#define PSS_RAM_ERR_STATUS_REG (PSS_BLK_REG_ADDR + 0x01C) - -/** - * PSS Semaphore Lock Registers, total 16 - * First read when unlocked returns 0, - * and is set to 1, atomically. - * Subsequent reads returns 1. - * To clear set the value to 0. - * Range : 0x20 to 0x5c - */ -#define PSS_SEM_LOCK_REG(_num) \ - (PSS_BLK_REG_ADDR + 0x020 + ((_num) << 2)) - -/** - * PSS Semaphore Status Registers, - * corresponding to the lock registers above - */ -#define PSS_SEM_STATUS_REG(_num) \ - (PSS_BLK_REG_ADDR + 0x060 + ((_num) << 2)) - -/** - * Catapult CPQ Registers - * Defines for Mailbox Registers - * Used to send mailbox commands to firmware from - * host. The data part is written to the MBox - * memory, registers are used to indicate that - * a commnad is resident in memory. - * - * Note : LPU0<->LPU1 mailboxes are not listed here - */ -#define CPQ_BLK_REG_ADDR 0x00019000 - -#define HOSTFN0_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x130) -#define HOSTFN0_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x134) -#define LPU0_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x138) -#define LPU1_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x13C) - -#define HOSTFN1_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x140) -#define HOSTFN1_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x144) -#define LPU0_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x148) -#define LPU1_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x14C) - -#define HOSTFN2_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x170) -#define HOSTFN2_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x174) -#define LPU0_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x178) -#define LPU1_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x17C) - -#define HOSTFN3_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x180) -#define HOSTFN3_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x184) -#define LPU0_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x188) -#define LPU1_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x18C) - -/* Host Function Force Parity Error Registers */ -#define HOSTFN0_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x120) -#define HOSTFN1_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x124) -#define HOSTFN2_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x128) -#define HOSTFN3_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x12C) - -/* LL Port[0|1] Halt Mask Registers */ -#define LL_HALT_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1A0) -#define LL_HALT_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1B0) - -/* LL Port[0|1] Error Mask Registers */ -#define LL_ERR_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1D0) -#define LL_ERR_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1D4) - -/* EMC FLI (Flash Controller) Block Register Address Offset from BAR0 */ -#define FLI_BLK_REG_ADDR 0x0001D000 - -/* EMC FLI Registers */ -#define FLI_CMD_REG (FLI_BLK_REG_ADDR + 0x000) -#define FLI_ADDR_REG (FLI_BLK_REG_ADDR + 0x004) -#define FLI_CTL_REG (FLI_BLK_REG_ADDR + 0x008) -#define FLI_WRDATA_REG (FLI_BLK_REG_ADDR + 0x00C) -#define FLI_RDDATA_REG (FLI_BLK_REG_ADDR + 0x010) -#define FLI_DEV_STATUS_REG (FLI_BLK_REG_ADDR + 0x014) -#define FLI_SIG_WD_REG (FLI_BLK_REG_ADDR + 0x018) - -/** - * RO register - * 31:16 -- Vendor Id - * 15:0 -- Device Id - */ -#define FLI_DEV_VENDOR_REG (FLI_BLK_REG_ADDR + 0x01C) -#define FLI_ERR_STATUS_REG (FLI_BLK_REG_ADDR + 0x020) - -/** - * RAD (RxAdm) Block Register Address Offset from BAR0 - * RAD0 Range : 0x20000 - 0x203FF - * RAD1 Range : 0x20400 - 0x207FF - */ -#define RAD0_BLK_REG_ADDR 0x00020000 -#define RAD1_BLK_REG_ADDR 0x00020400 - -/* RAD0 Registers */ -#define RAD0_CTL_REG (RAD0_BLK_REG_ADDR + 0x000) -#define RAD0_PE_PARM_REG (RAD0_BLK_REG_ADDR + 0x004) -#define RAD0_BCN_REG (RAD0_BLK_REG_ADDR + 0x008) - -/* Default function ID register */ -#define RAD0_DEFAULT_REG (RAD0_BLK_REG_ADDR + 0x00C) - -/* Default promiscuous ID register */ -#define RAD0_PROMISC_REG (RAD0_BLK_REG_ADDR + 0x010) - -#define RAD0_BCNQ_REG (RAD0_BLK_REG_ADDR + 0x014) - -/* - * This register selects 1 of 8 PM Q's using - * VLAN pri, for non-BCN packets without a VLAN tag - */ -#define RAD0_DEFAULTQ_REG (RAD0_BLK_REG_ADDR + 0x018) - -#define RAD0_ERR_STS (RAD0_BLK_REG_ADDR + 0x01C) -#define RAD0_SET_ERR_STS (RAD0_BLK_REG_ADDR + 0x020) -#define RAD0_ERR_INT_EN (RAD0_BLK_REG_ADDR + 0x024) -#define RAD0_FIRST_ERR (RAD0_BLK_REG_ADDR + 0x028) -#define RAD0_FORCE_ERR (RAD0_BLK_REG_ADDR + 0x02C) - -#define RAD0_IF_RCVD (RAD0_BLK_REG_ADDR + 0x030) -#define RAD0_IF_RCVD_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x034) -#define RAD0_IF_RCVD_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x038) -#define RAD0_IF_RCVD_VLAN (RAD0_BLK_REG_ADDR + 0x03C) -#define RAD0_IF_RCVD_UCAST (RAD0_BLK_REG_ADDR + 0x040) -#define RAD0_IF_RCVD_UCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x044) -#define RAD0_IF_RCVD_UCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x048) -#define RAD0_IF_RCVD_UCAST_VLAN (RAD0_BLK_REG_ADDR + 0x04C) -#define RAD0_IF_RCVD_MCAST (RAD0_BLK_REG_ADDR + 0x050) -#define RAD0_IF_RCVD_MCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x054) -#define RAD0_IF_RCVD_MCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x058) -#define RAD0_IF_RCVD_MCAST_VLAN (RAD0_BLK_REG_ADDR + 0x05C) -#define RAD0_IF_RCVD_BCAST (RAD0_BLK_REG_ADDR + 0x060) -#define RAD0_IF_RCVD_BCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x064) -#define RAD0_IF_RCVD_BCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x068) -#define RAD0_IF_RCVD_BCAST_VLAN (RAD0_BLK_REG_ADDR + 0x06C) -#define RAD0_DROPPED_FRAMES (RAD0_BLK_REG_ADDR + 0x070) - -#define RAD0_MAC_MAN_1H (RAD0_BLK_REG_ADDR + 0x080) -#define RAD0_MAC_MAN_1L (RAD0_BLK_REG_ADDR + 0x084) -#define RAD0_MAC_MAN_2H (RAD0_BLK_REG_ADDR + 0x088) -#define RAD0_MAC_MAN_2L (RAD0_BLK_REG_ADDR + 0x08C) -#define RAD0_MAC_MAN_3H (RAD0_BLK_REG_ADDR + 0x090) -#define RAD0_MAC_MAN_3L (RAD0_BLK_REG_ADDR + 0x094) -#define RAD0_MAC_MAN_4H (RAD0_BLK_REG_ADDR + 0x098) -#define RAD0_MAC_MAN_4L (RAD0_BLK_REG_ADDR + 0x09C) - -#define RAD0_LAST4_IP (RAD0_BLK_REG_ADDR + 0x100) - -/* RAD1 Registers */ -#define RAD1_CTL_REG (RAD1_BLK_REG_ADDR + 0x000) -#define RAD1_PE_PARM_REG (RAD1_BLK_REG_ADDR + 0x004) -#define RAD1_BCN_REG (RAD1_BLK_REG_ADDR + 0x008) - -/* Default function ID register */ -#define RAD1_DEFAULT_REG (RAD1_BLK_REG_ADDR + 0x00C) - -/* Promiscuous function ID register */ -#define RAD1_PROMISC_REG (RAD1_BLK_REG_ADDR + 0x010) - -#define RAD1_BCNQ_REG (RAD1_BLK_REG_ADDR + 0x014) - -/* - * This register selects 1 of 8 PM Q's using - * VLAN pri, for non-BCN packets without a VLAN tag - */ -#define RAD1_DEFAULTQ_REG (RAD1_BLK_REG_ADDR + 0x018) - -#define RAD1_ERR_STS (RAD1_BLK_REG_ADDR + 0x01C) -#define RAD1_SET_ERR_STS (RAD1_BLK_REG_ADDR + 0x020) -#define RAD1_ERR_INT_EN (RAD1_BLK_REG_ADDR + 0x024) - -/** - * TXA Block Register Address Offset from BAR0 - * TXA0 Range : 0x21000 - 0x213FF - * TXA1 Range : 0x21400 - 0x217FF - */ -#define TXA0_BLK_REG_ADDR 0x00021000 -#define TXA1_BLK_REG_ADDR 0x00021400 - -/* TXA Registers */ -#define TXA0_CTRL_REG (TXA0_BLK_REG_ADDR + 0x000) -#define TXA1_CTRL_REG (TXA1_BLK_REG_ADDR + 0x000) - -/** - * TSO Sequence # Registers (RO) - * Total 8 (for 8 queues) - * Holds the last seq.# for TSO frames - * See catapult_spec.pdf for more details - */ -#define TXA0_TSO_TCP_SEQ_REG(_num) \ - (TXA0_BLK_REG_ADDR + 0x020 + ((_num) << 2)) - -#define TXA1_TSO_TCP_SEQ_REG(_num) \ - (TXA1_BLK_REG_ADDR + 0x020 + ((_num) << 2)) - -/** - * TSO IP ID # Registers (RO) - * Total 8 (for 8 queues) - * Holds the last IP ID for TSO frames - * See catapult_spec.pdf for more details - */ -#define TXA0_TSO_IP_INFO_REG(_num) \ - (TXA0_BLK_REG_ADDR + 0x040 + ((_num) << 2)) - -#define TXA1_TSO_IP_INFO_REG(_num) \ - (TXA1_BLK_REG_ADDR + 0x040 + ((_num) << 2)) - -/** - * RXA Block Register Address Offset from BAR0 - * RXA0 Range : 0x21800 - 0x21BFF - * RXA1 Range : 0x21C00 - 0x21FFF - */ -#define RXA0_BLK_REG_ADDR 0x00021800 -#define RXA1_BLK_REG_ADDR 0x00021C00 - -/* RXA Registers */ -#define RXA0_CTL_REG (RXA0_BLK_REG_ADDR + 0x040) -#define RXA1_CTL_REG (RXA1_BLK_REG_ADDR + 0x040) - -/** - * PPLB Block Register Address Offset from BAR0 - * PPLB0 Range : 0x22000 - 0x223FF - * PPLB1 Range : 0x22400 - 0x227FF - */ -#define PLB0_BLK_REG_ADDR 0x00022000 -#define PLB1_BLK_REG_ADDR 0x00022400 - -/** - * PLB Registers - * Holds RL timer used time stamps in RLT tagged frames - */ -#define PLB0_ECM_TIMER_REG (PLB0_BLK_REG_ADDR + 0x05C) -#define PLB1_ECM_TIMER_REG (PLB1_BLK_REG_ADDR + 0x05C) - -/* Controls the rate-limiter on each of the priority class */ -#define PLB0_RL_CTL (PLB0_BLK_REG_ADDR + 0x060) -#define PLB1_RL_CTL (PLB1_BLK_REG_ADDR + 0x060) - -/** - * Max byte register, total 8, 0-7 - * see catapult_spec.pdf for details - */ -#define PLB0_RL_MAX_BC(_num) \ - (PLB0_BLK_REG_ADDR + 0x064 + ((_num) << 2)) -#define PLB1_RL_MAX_BC(_num) \ - (PLB1_BLK_REG_ADDR + 0x064 + ((_num) << 2)) - -/** - * RL Time Unit Register for priority 0-7 - * 4 bits per priority - * (2^rl_unit)*1us is the actual time period - */ -#define PLB0_RL_TU_PRIO (PLB0_BLK_REG_ADDR + 0x084) -#define PLB1_RL_TU_PRIO (PLB1_BLK_REG_ADDR + 0x084) - -/** - * RL byte count register, - * bytes transmitted in (rl_unit*1)us time period - * 1 per priority, 8 in all, 0-7. - */ -#define PLB0_RL_BYTE_CNT(_num) \ - (PLB0_BLK_REG_ADDR + 0x088 + ((_num) << 2)) -#define PLB1_RL_BYTE_CNT(_num) \ - (PLB1_BLK_REG_ADDR + 0x088 + ((_num) << 2)) - -/** - * RL Min factor register - * 2 bits per priority, - * 4 factors possible: 1, 0.5, 0.25, 0 - * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1 - */ -#define PLB0_RL_MIN_REG (PLB0_BLK_REG_ADDR + 0x0A8) -#define PLB1_RL_MIN_REG (PLB1_BLK_REG_ADDR + 0x0A8) - -/** - * RL Max factor register - * 2 bits per priority, - * 4 factors possible: 1, 0.5, 0.25, 0 - * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1 - */ -#define PLB0_RL_MAX_REG (PLB0_BLK_REG_ADDR + 0x0AC) -#define PLB1_RL_MAX_REG (PLB1_BLK_REG_ADDR + 0x0AC) - -/* MAC SERDES Address Paging register */ -#define PLB0_EMS_ADD_REG (PLB0_BLK_REG_ADDR + 0xD0) -#define PLB1_EMS_ADD_REG (PLB1_BLK_REG_ADDR + 0xD0) - -/* LL EMS Registers */ -#define LL_EMS0_BLK_REG_ADDR 0x00026800 -#define LL_EMS1_BLK_REG_ADDR 0x00026C00 - -/** - * BPC Block Register Address Offset from BAR0 - * BPC0 Range : 0x23000 - 0x233FF - * BPC1 Range : 0x23400 - 0x237FF - */ -#define BPC0_BLK_REG_ADDR 0x00023000 -#define BPC1_BLK_REG_ADDR 0x00023400 - -/** - * PMM Block Register Address Offset from BAR0 - * PMM0 Range : 0x23800 - 0x23BFF - * PMM1 Range : 0x23C00 - 0x23FFF - */ -#define PMM0_BLK_REG_ADDR 0x00023800 -#define PMM1_BLK_REG_ADDR 0x00023C00 - -/** - * HQM Block Register Address Offset from BAR0 - * HQM0 Range : 0x24000 - 0x243FF - * HQM1 Range : 0x24400 - 0x247FF - */ -#define HQM0_BLK_REG_ADDR 0x00024000 -#define HQM1_BLK_REG_ADDR 0x00024400 - -/** - * HQM Control Register - * Controls some aspects of IB - * See catapult_spec.pdf for details - */ -#define HQM0_CTL_REG (HQM0_BLK_REG_ADDR + 0x000) -#define HQM1_CTL_REG (HQM1_BLK_REG_ADDR + 0x000) - -/** - * HQM Stop Q Semaphore Registers. - * Only one Queue resource can be stopped at - * any given time. This register controls access - * to the single stop Q resource. - * See catapult_spec.pdf for details - */ -#define HQM0_RXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x028) -#define HQM0_TXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x02C) -#define HQM1_RXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x028) -#define HQM1_TXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x02C) - -/** - * LUT Block Register Address Offset from BAR0 - * LUT0 Range : 0x25800 - 0x25BFF - * LUT1 Range : 0x25C00 - 0x25FFF - */ -#define LUT0_BLK_REG_ADDR 0x00025800 -#define LUT1_BLK_REG_ADDR 0x00025C00 - -/** - * LUT Registers - * See catapult_spec.pdf for details - */ -#define LUT0_ERR_STS (LUT0_BLK_REG_ADDR + 0x000) -#define LUT1_ERR_STS (LUT1_BLK_REG_ADDR + 0x000) -#define LUT0_SET_ERR_STS (LUT0_BLK_REG_ADDR + 0x004) -#define LUT1_SET_ERR_STS (LUT1_BLK_REG_ADDR + 0x004) - -/** - * TRC (Debug/Trace) Register Offset from BAR0 - * Range : 0x26000 -- 0x263FFF - */ -#define TRC_BLK_REG_ADDR 0x00026000 - -/** - * TRC Registers - * See catapult_spec.pdf for details of each - */ -#define TRC_CTL_REG (TRC_BLK_REG_ADDR + 0x000) -#define TRC_MODS_REG (TRC_BLK_REG_ADDR + 0x004) -#define TRC_TRGC_REG (TRC_BLK_REG_ADDR + 0x008) -#define TRC_CNT1_REG (TRC_BLK_REG_ADDR + 0x010) -#define TRC_CNT2_REG (TRC_BLK_REG_ADDR + 0x014) -#define TRC_NXTS_REG (TRC_BLK_REG_ADDR + 0x018) -#define TRC_DIRR_REG (TRC_BLK_REG_ADDR + 0x01C) - -/** - * TRC Trigger match filters, total 10 - * Determines the trigger condition - */ -#define TRC_TRGM_REG(_num) \ - (TRC_BLK_REG_ADDR + 0x040 + ((_num) << 2)) - -/** - * TRC Next State filters, total 10 - * Determines the next state conditions - */ -#define TRC_NXTM_REG(_num) \ - (TRC_BLK_REG_ADDR + 0x080 + ((_num) << 2)) - -/** - * TRC Store Match filters, total 10 - * Determines the store conditions - */ -#define TRC_STRM_REG(_num) \ - (TRC_BLK_REG_ADDR + 0x0C0 + ((_num) << 2)) - -/* DOORBELLS ACCESS */ - -/** - * Catapult doorbells - * Each doorbell-queue set has - * 1 RxQ, 1 TxQ, 2 IBs in that order - * Size of each entry in 32 bytes, even though only 1 word - * is used. For Non-VM case each doorbell-q set is - * separated by 128 bytes, for VM case it is separated - * by 4K bytes - * Non VM case Range : 0x38000 - 0x39FFF - * VM case Range : 0x100000 - 0x11FFFF - * The range applies to both HQMs - */ -#define HQM_DOORBELL_BLK_BASE_ADDR 0x00038000 -#define HQM_DOORBELL_VM_BLK_BASE_ADDR 0x00100000 - -/* MEMORY ACCESS */ - -/** - * Catapult H/W Block Memory Access Address - * To the host a memory space of 32K (page) is visible - * at a time. The address range is from 0x08000 to 0x0FFFF - */ -#define HW_BLK_HOST_MEM_ADDR 0x08000 - -/** - * Catapult LUT Memory Access Page Numbers - * Range : LUT0 0xa0-0xa1 - * LUT1 0xa2-0xa3 - */ -#define LUT0_MEM_BLK_BASE_PG_NUM 0x000000A0 -#define LUT1_MEM_BLK_BASE_PG_NUM 0x000000A2 - -/** - * Catapult RxFn Database Memory Block Base Offset - * - * The Rx function database exists in LUT block. - * In PCIe space this is accessible as a 256x32 - * bit block. Each entry in this database is 4 - * (4 byte) words. Max. entries is 64. - * Address of an entry corresponding to a function - * = base_addr + (function_no. * 16) - */ -#define RX_FNDB_RAM_BASE_OFFSET 0x0000B400 - -/** - * Catapult TxFn Database Memory Block Base Offset Address - * - * The Tx function database exists in LUT block. - * In PCIe space this is accessible as a 64x32 - * bit block. Each entry in this database is 1 - * (4 byte) word. Max. entries is 64. - * Address of an entry corresponding to a function - * = base_addr + (function_no. * 4) - */ -#define TX_FNDB_RAM_BASE_OFFSET 0x0000B800 - -/** - * Catapult Unicast CAM Base Offset Address - * - * Exists in LUT memory space. - * Shared by both the LL & FCoE driver. - * Size is 256x48 bits; mapped to PCIe space - * 512x32 bit blocks. For each address, bits - * are written in the order : [47:32] and then - * [31:0]. - */ -#define UCAST_CAM_BASE_OFFSET 0x0000A800 - -/** - * Catapult Unicast RAM Base Offset Address - * - * Exists in LUT memory space. - * Shared by both the LL & FCoE driver. - * Size is 256x9 bits. - */ -#define UCAST_RAM_BASE_OFFSET 0x0000B000 - -/** - * Catapult Mulicast CAM Base Offset Address - * - * Exists in LUT memory space. - * Shared by both the LL & FCoE driver. - * Size is 256x48 bits; mapped to PCIe space - * 512x32 bit blocks. For each address, bits - * are written in the order : [47:32] and then - * [31:0]. - */ -#define MCAST_CAM_BASE_OFFSET 0x0000A000 - -/** - * Catapult VLAN RAM Base Offset Address - * - * Exists in LUT memory space. - * Size is 4096x66 bits; mapped to PCIe space as - * 8192x32 bit blocks. - * All the 4K entries are within the address range - * 0x0000 to 0x8000, so in the first LUT page. - */ -#define VLAN_RAM_BASE_OFFSET 0x00000000 - -/** - * Catapult Tx Stats RAM Base Offset Address - * - * Exists in LUT memory space. - * Size is 1024x33 bits; - * Each Tx function has 64 bytes of space - */ -#define TX_STATS_RAM_BASE_OFFSET 0x00009000 - -/** - * Catapult Rx Stats RAM Base Offset Address - * - * Exists in LUT memory space. - * Size is 1024x33 bits; - * Each Rx function has 64 bytes of space - */ -#define RX_STATS_RAM_BASE_OFFSET 0x00008000 - -/* Catapult RXA Memory Access Page Numbers */ -#define RXA0_MEM_BLK_BASE_PG_NUM 0x0000008C -#define RXA1_MEM_BLK_BASE_PG_NUM 0x0000008D - -/** - * Catapult Multicast Vector Table Base Offset Address - * - * Exists in RxA memory space. - * Organized as 512x65 bit block. - * However for each entry 16 bytes allocated (power of 2) - * Total size 512*16 bytes. - * There are two logical divisions, 256 entries each : - * a) Entries 0x00 to 0xff (256) -- Approx. MVT - * Offset 0x000 to 0xFFF - * b) Entries 0x100 to 0x1ff (256) -- Exact MVT - * Offsets 0x1000 to 0x1FFF - */ -#define MCAST_APPROX_MVT_BASE_OFFSET 0x00000000 -#define MCAST_EXACT_MVT_BASE_OFFSET 0x00001000 - -/** - * Catapult RxQ Translate Table (RIT) Base Offset Address - * - * Exists in RxA memory space - * Total no. of entries 64 - * Each entry is 1 (4 byte) word. - * 31:12 -- Reserved - * 11:0 -- Two 6 bit RxQ Ids - */ -#define FUNCTION_TO_RXQ_TRANSLATE 0x00002000 - -/* Catapult RxAdm (RAD) Memory Access Page Numbers */ -#define RAD0_MEM_BLK_BASE_PG_NUM 0x00000086 -#define RAD1_MEM_BLK_BASE_PG_NUM 0x00000087 - -/** - * Catapult RSS Table Base Offset Address - * - * Exists in RAD memory space. - * Each entry is 352 bits, but aligned on - * 64 byte (512 bit) boundary. Accessed - * 4 byte words, the whole entry can be - * broken into 11 word accesses. - */ -#define RSS_TABLE_BASE_OFFSET 0x00000800 - -/** - * Catapult CPQ Block Page Number - * This value is written to the page number registers - * to access the memory associated with the mailboxes. - */ -#define CPQ_BLK_PG_NUM 0x00000005 - -/** - * Clarification : - * LL functions are 2 & 3; can HostFn0/HostFn1 - * <-> LPU0/LPU1 memories be used ? - */ -/** - * Catapult HostFn0/HostFn1 to LPU0/LPU1 Mbox memory - * Per catapult_spec.pdf, the offset of the mbox - * memory is in the register space at an offset of 0x200 - */ -#define CPQ_BLK_REG_MBOX_ADDR (CPQ_BLK_REG_ADDR + 0x200) - -#define HOSTFN_LPU_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x000) - -/* Catapult LPU0/LPU1 to HostFn0/HostFn1 Mbox memory */ -#define LPU_HOSTFN_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x080) - -/** - * Catapult HQM Block Page Number - * This is written to the page number register for - * the appropriate function to access the memory - * associated with HQM - */ -#define HQM0_BLK_PG_NUM 0x00000096 -#define HQM1_BLK_PG_NUM 0x00000097 - -/** - * Note that TxQ and RxQ entries are interlaced - * the HQM memory, i.e RXQ0, TXQ0, RXQ1, TXQ1.. etc. - */ - -#define HQM_RXTX_Q_RAM_BASE_OFFSET 0x00004000 - -/** - * CQ Memory - * Exists in HQM Memory space - * Each entry is 16 (4 byte) words of which - * only 12 words are used for configuration - * Total 64 entries per HQM memory space - */ -#define HQM_CQ_RAM_BASE_OFFSET 0x00006000 - -/** - * Interrupt Block (IB) Memory - * Exists in HQM Memory space - * Each entry is 8 (4 byte) words of which - * only 5 words are used for configuration - * Total 128 entries per HQM memory space - */ -#define HQM_IB_RAM_BASE_OFFSET 0x00001000 - -/** - * Index Table (IT) Memory - * Exists in HQM Memory space - * Each entry is 1 (4 byte) word which - * is used for configuration - * Total 128 entries per HQM memory space - */ -#define HQM_INDX_TBL_RAM_BASE_OFFSET 0x00002000 - -/** - * PSS Block Memory Page Number - * This is written to the appropriate page number - * register to access the CPU memory. - * Also known as the PSS secondary memory (SMEM). - * Range : 0x180 to 0x1CF - * See catapult_spec.pdf for details - */ -#define PSS_BLK_PG_NUM 0x00000180 - -/** - * Offsets of different instances of PSS SMEM - * 2.5M of continuous 1T memory space : 2 blocks - * of 1M each (32 pages each, page=32KB) and 4 smaller - * blocks of 128K each (4 pages each, page=32KB) - * PSS_LMEM_INST0 is used for firmware download - */ -#define PSS_LMEM_INST0 0x00000000 -#define PSS_LMEM_INST1 0x00100000 -#define PSS_LMEM_INST2 0x00200000 -#define PSS_LMEM_INST3 0x00220000 -#define PSS_LMEM_INST4 0x00240000 -#define PSS_LMEM_INST5 0x00260000 - -#define BNA_PCI_REG_CT_ADDRSZ (0x40000) - -#define BNA_GET_PAGE_NUM(_base_page, _offset) \ - ((_base_page) + ((_offset) >> 15)) - -#define BNA_GET_PAGE_OFFSET(_offset) \ - ((_offset) & 0x7fff) - -#define BNA_GET_MEM_BASE_ADDR(_bar0, _base_offset) \ - ((_bar0) + HW_BLK_HOST_MEM_ADDR \ - + BNA_GET_PAGE_OFFSET((_base_offset))) - -#define BNA_GET_VLAN_MEM_ENTRY_ADDR(_bar0, _fn_id, _vlan_id)\ - (_bar0 + (HW_BLK_HOST_MEM_ADDR) \ - + (BNA_GET_PAGE_OFFSET(VLAN_RAM_BASE_OFFSET)) \ - + (((_fn_id) & 0x3f) << 9) \ - + (((_vlan_id) & 0xfe0) >> 3)) - -/** - * - * Interrupt related bits, flags and macros - * - */ - -#define __LPU02HOST_MBOX0_STATUS_BITS 0x00100000 -#define __LPU12HOST_MBOX0_STATUS_BITS 0x00200000 -#define __LPU02HOST_MBOX1_STATUS_BITS 0x00400000 -#define __LPU12HOST_MBOX1_STATUS_BITS 0x00800000 - -#define __LPU02HOST_MBOX0_MASK_BITS 0x00100000 -#define __LPU12HOST_MBOX0_MASK_BITS 0x00200000 -#define __LPU02HOST_MBOX1_MASK_BITS 0x00400000 -#define __LPU12HOST_MBOX1_MASK_BITS 0x00800000 - -#define __LPU2HOST_MBOX_MASK_BITS \ - (__LPU02HOST_MBOX0_MASK_BITS | __LPU02HOST_MBOX1_MASK_BITS | \ - __LPU12HOST_MBOX0_MASK_BITS | __LPU12HOST_MBOX1_MASK_BITS) - -#define __LPU2HOST_IB_STATUS_BITS 0x0000ffff - -#define BNA_IS_LPU0_MBOX_INTR(_intr_status) \ - ((_intr_status) & (__LPU02HOST_MBOX0_STATUS_BITS | \ - __LPU02HOST_MBOX1_STATUS_BITS)) - -#define BNA_IS_LPU1_MBOX_INTR(_intr_status) \ - ((_intr_status) & (__LPU12HOST_MBOX0_STATUS_BITS | \ - __LPU12HOST_MBOX1_STATUS_BITS)) - -#define BNA_IS_MBOX_INTR(_intr_status) \ - ((_intr_status) & \ - (__LPU02HOST_MBOX0_STATUS_BITS | \ - __LPU02HOST_MBOX1_STATUS_BITS | \ - __LPU12HOST_MBOX0_STATUS_BITS | \ - __LPU12HOST_MBOX1_STATUS_BITS)) - -#define __EMC_ERROR_STATUS_BITS 0x00010000 -#define __LPU0_ERROR_STATUS_BITS 0x00020000 -#define __LPU1_ERROR_STATUS_BITS 0x00040000 -#define __PSS_ERROR_STATUS_BITS 0x00080000 - -#define __HALT_STATUS_BITS 0x01000000 - -#define __EMC_ERROR_MASK_BITS 0x00010000 -#define __LPU0_ERROR_MASK_BITS 0x00020000 -#define __LPU1_ERROR_MASK_BITS 0x00040000 -#define __PSS_ERROR_MASK_BITS 0x00080000 - -#define __HALT_MASK_BITS 0x01000000 - -#define __ERROR_MASK_BITS \ - (__EMC_ERROR_MASK_BITS | __LPU0_ERROR_MASK_BITS | \ - __LPU1_ERROR_MASK_BITS | __PSS_ERROR_MASK_BITS | \ - __HALT_MASK_BITS) - -#define BNA_IS_ERR_INTR(_intr_status) \ - ((_intr_status) & \ - (__EMC_ERROR_STATUS_BITS | \ - __LPU0_ERROR_STATUS_BITS | \ - __LPU1_ERROR_STATUS_BITS | \ - __PSS_ERROR_STATUS_BITS | \ - __HALT_STATUS_BITS)) - -#define BNA_IS_MBOX_ERR_INTR(_intr_status) \ - (BNA_IS_MBOX_INTR((_intr_status)) | \ - BNA_IS_ERR_INTR((_intr_status))) - -#define BNA_IS_INTX_DATA_INTR(_intr_status) \ - ((_intr_status) & __LPU2HOST_IB_STATUS_BITS) - -#define BNA_INTR_STATUS_MBOX_CLR(_intr_status) \ -do { \ - (_intr_status) &= ~(__LPU02HOST_MBOX0_STATUS_BITS | \ - __LPU02HOST_MBOX1_STATUS_BITS | \ - __LPU12HOST_MBOX0_STATUS_BITS | \ - __LPU12HOST_MBOX1_STATUS_BITS); \ -} while (0) - -#define BNA_INTR_STATUS_ERR_CLR(_intr_status) \ -do { \ - (_intr_status) &= ~(__EMC_ERROR_STATUS_BITS | \ - __LPU0_ERROR_STATUS_BITS | \ - __LPU1_ERROR_STATUS_BITS | \ - __PSS_ERROR_STATUS_BITS | \ - __HALT_STATUS_BITS); \ -} while (0) - -#define bna_intx_disable(_bna, _cur_mask) \ -{ \ - (_cur_mask) = readl((_bna)->regs.fn_int_mask);\ - writel(0xffffffff, (_bna)->regs.fn_int_mask);\ -} - -#define bna_intx_enable(bna, new_mask) \ - writel((new_mask), (bna)->regs.fn_int_mask) - -#define bna_mbox_intr_disable(bna) \ - writel((readl((bna)->regs.fn_int_mask) | \ - (__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \ - (bna)->regs.fn_int_mask) - -#define bna_mbox_intr_enable(bna) \ - writel((readl((bna)->regs.fn_int_mask) & \ - ~(__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \ - (bna)->regs.fn_int_mask) - -#define bna_intr_status_get(_bna, _status) \ -{ \ - (_status) = readl((_bna)->regs.fn_int_status); \ - if ((_status)) { \ - writel((_status) & ~(__LPU02HOST_MBOX0_STATUS_BITS |\ - __LPU02HOST_MBOX1_STATUS_BITS |\ - __LPU12HOST_MBOX0_STATUS_BITS |\ - __LPU12HOST_MBOX1_STATUS_BITS), \ - (_bna)->regs.fn_int_status);\ - } \ -} - -#define bna_intr_status_get_no_clr(_bna, _status) \ - (_status) = readl((_bna)->regs.fn_int_status) - -#define bna_intr_mask_get(bna, mask) \ - (*mask) = readl((bna)->regs.fn_int_mask) - -#define bna_intr_ack(bna, intr_bmap) \ - writel((intr_bmap), (bna)->regs.fn_int_status) - -#define bna_ib_intx_disable(bna, ib_id) \ - writel(readl((bna)->regs.fn_int_mask) | \ - (1 << (ib_id)), \ - (bna)->regs.fn_int_mask) - -#define bna_ib_intx_enable(bna, ib_id) \ - writel(readl((bna)->regs.fn_int_mask) & \ - ~(1 << (ib_id)), \ - (bna)->regs.fn_int_mask) - -#define bna_mbox_msix_idx_set(_device) \ -do {\ - writel(((_device)->vector & 0x000001FF), \ - (_device)->bna->pcidev.pci_bar_kva + \ - reg_offset[(_device)->bna->pcidev.pci_func].msix_idx);\ -} while (0) - -/** - * - * TxQ, RxQ, CQ related bits, offsets, macros - * - */ - -#define BNA_Q_IDLE_STATE 0x00008001 - -#define BNA_GET_DOORBELL_BASE_ADDR(_bar0) \ - ((_bar0) + HQM_DOORBELL_BLK_BASE_ADDR) - -#define BNA_GET_DOORBELL_ENTRY_OFFSET(_entry) \ - ((HQM_DOORBELL_BLK_BASE_ADDR) \ - + (_entry << 7)) - -#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \ - (0x80000000 | ((_timeout) << 16) | (_events)) - -#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000) - -/* TxQ Entry Opcodes */ -#define BNA_TXQ_WI_SEND (0x402) /* Single Frame Transmission */ -#define BNA_TXQ_WI_SEND_LSO (0x403) /* Multi-Frame Transmission */ -#define BNA_TXQ_WI_EXTENSION (0x104) /* Extension WI */ - -/* TxQ Entry Control Flags */ -#define BNA_TXQ_WI_CF_FCOE_CRC (1 << 8) -#define BNA_TXQ_WI_CF_IPID_MODE (1 << 5) -#define BNA_TXQ_WI_CF_INS_PRIO (1 << 4) -#define BNA_TXQ_WI_CF_INS_VLAN (1 << 3) -#define BNA_TXQ_WI_CF_UDP_CKSUM (1 << 2) -#define BNA_TXQ_WI_CF_TCP_CKSUM (1 << 1) -#define BNA_TXQ_WI_CF_IP_CKSUM (1 << 0) - -#define BNA_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \ - (((_hdr_size) << 10) | ((_offset) & 0x3FF)) - -/* - * Completion Q defines - */ -/* CQ Entry Flags */ -#define BNA_CQ_EF_MAC_ERROR (1 << 0) -#define BNA_CQ_EF_FCS_ERROR (1 << 1) -#define BNA_CQ_EF_TOO_LONG (1 << 2) -#define BNA_CQ_EF_FC_CRC_OK (1 << 3) - -#define BNA_CQ_EF_RSVD1 (1 << 4) -#define BNA_CQ_EF_L4_CKSUM_OK (1 << 5) -#define BNA_CQ_EF_L3_CKSUM_OK (1 << 6) -#define BNA_CQ_EF_HDS_HEADER (1 << 7) - -#define BNA_CQ_EF_UDP (1 << 8) -#define BNA_CQ_EF_TCP (1 << 9) -#define BNA_CQ_EF_IP_OPTIONS (1 << 10) -#define BNA_CQ_EF_IPV6 (1 << 11) - -#define BNA_CQ_EF_IPV4 (1 << 12) -#define BNA_CQ_EF_VLAN (1 << 13) -#define BNA_CQ_EF_RSS (1 << 14) -#define BNA_CQ_EF_RSVD2 (1 << 15) - -#define BNA_CQ_EF_MCAST_MATCH (1 << 16) -#define BNA_CQ_EF_MCAST (1 << 17) -#define BNA_CQ_EF_BCAST (1 << 18) -#define BNA_CQ_EF_REMOTE (1 << 19) - -#define BNA_CQ_EF_LOCAL (1 << 20) - -/** - * - * Data structures - * - */ - -enum txf_flags { - BFI_TXF_CF_ENABLE = 1 << 0, - BFI_TXF_CF_VLAN_FILTER = 1 << 8, - BFI_TXF_CF_VLAN_ADMIT = 1 << 9, - BFI_TXF_CF_VLAN_INSERT = 1 << 10, - BFI_TXF_CF_RSVD1 = 1 << 11, - BFI_TXF_CF_MAC_SA_CHECK = 1 << 12, - BFI_TXF_CF_VLAN_WI_BASED = 1 << 13, - BFI_TXF_CF_VSWITCH_MCAST = 1 << 14, - BFI_TXF_CF_VSWITCH_UCAST = 1 << 15, - BFI_TXF_CF_RSVD2 = 0x7F << 1 -}; - -enum ib_flags { - BFI_IB_CF_MASTER_ENABLE = (1 << 0), - BFI_IB_CF_MSIX_MODE = (1 << 1), - BFI_IB_CF_COALESCING_MODE = (1 << 2), - BFI_IB_CF_INTER_PKT_ENABLE = (1 << 3), - BFI_IB_CF_INT_ENABLE = (1 << 4), - BFI_IB_CF_INTER_PKT_DMA = (1 << 5), - BFI_IB_CF_ACK_PENDING = (1 << 6), - BFI_IB_CF_RESERVED1 = (1 << 7) -}; - -enum rss_hash_type { - BFI_RSS_T_V4_TCP = (1 << 11), - BFI_RSS_T_V4_IP = (1 << 10), - BFI_RSS_T_V6_TCP = (1 << 9), - BFI_RSS_T_V6_IP = (1 << 8) -}; -enum hds_header_type { - BNA_HDS_T_V4_TCP = (1 << 11), - BNA_HDS_T_V4_UDP = (1 << 10), - BNA_HDS_T_V6_TCP = (1 << 9), - BNA_HDS_T_V6_UDP = (1 << 8), - BNA_HDS_FORCED = (1 << 7), -}; -enum rxf_flags { - BNA_RXF_CF_SM_LG_RXQ = (1 << 15), - BNA_RXF_CF_DEFAULT_VLAN = (1 << 14), - BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE = (1 << 13), - BNA_RXF_CF_VLAN_STRIP = (1 << 12), - BNA_RXF_CF_RSS_ENABLE = (1 << 8) -}; -struct bna_chip_regs_offset { - u32 page_addr; - u32 fn_int_status; - u32 fn_int_mask; - u32 msix_idx; -}; - -struct bna_chip_regs { - void __iomem *page_addr; - void __iomem *fn_int_status; - void __iomem *fn_int_mask; -}; - -struct bna_txq_mem { - u32 pg_tbl_addr_lo; - u32 pg_tbl_addr_hi; - u32 cur_q_entry_lo; - u32 cur_q_entry_hi; - u32 reserved1; - u32 reserved2; - u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ - /* 15:0 ->producer pointer (index?) */ - u32 entry_n_pg_size; /* 31:16->entry size */ - /* 15:0 ->page size */ - u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */ - /* 23:16->Int Blk Offset */ - /* 15:0 ->consumer pointer(index?) */ - u32 cns_ptr2_n_q_state; /* 31:16->cons. ptr 2; 15:0-> Q state */ - u32 nxt_qid_n_fid_n_pri; /* 17:10->next */ - /* QId;9:3->FID;2:0->Priority */ - u32 wvc_n_cquota_n_rquota; /* 31:24->WI Vector Count; */ - /* 23:12->Cfg Quota; */ - /* 11:0 ->Run Quota */ - u32 reserved3[4]; -}; - -struct bna_rxq_mem { - u32 pg_tbl_addr_lo; - u32 pg_tbl_addr_hi; - u32 cur_q_entry_lo; - u32 cur_q_entry_hi; - u32 reserved1; - u32 reserved2; - u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ - /* 15:0 ->producer pointer (index?) */ - u32 entry_n_pg_size; /* 31:16->entry size */ - /* 15:0 ->page size */ - u32 sg_n_cq_n_cns_ptr; /* 31:28->reserved; 27:24->sg count */ - /* 23:16->CQ; */ - /* 15:0->consumer pointer(index?) */ - u32 buf_sz_n_q_state; /* 31:16->buffer size; 15:0-> Q state */ - u32 next_qid; /* 17:10->next QId */ - u32 reserved3; - u32 reserved4[4]; -}; - -struct bna_rxtx_q_mem { - struct bna_rxq_mem rxq; - struct bna_txq_mem txq; -}; - -struct bna_cq_mem { - u32 pg_tbl_addr_lo; - u32 pg_tbl_addr_hi; - u32 cur_q_entry_lo; - u32 cur_q_entry_hi; - - u32 reserved1; - u32 reserved2; - u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ - /* 15:0 ->producer pointer (index?) */ - u32 entry_n_pg_size; /* 31:16->entry size */ - /* 15:0 ->page size */ - u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */ - /* 23:16->Int Blk Offset */ - /* 15:0 ->consumer pointer(index?) */ - u32 q_state; /* 31:16->reserved; 15:0-> Q state */ - u32 reserved3[2]; - u32 reserved4[4]; -}; - -struct bna_ib_blk_mem { - u32 host_addr_lo; - u32 host_addr_hi; - u32 clsc_n_ctrl_n_msix; /* 31:24->coalescing; */ - /* 23:16->coalescing cfg; */ - /* 15:8 ->control; */ - /* 7:0 ->msix; */ - u32 ipkt_n_ent_n_idxof; - u32 ipkt_cnt_cfg_n_unacked; - - u32 reserved[3]; -}; - -struct bna_idx_tbl_mem { - u32 idx; /* !< 31:16->res;15:0->idx; */ -}; - -struct bna_doorbell_qset { - u32 rxq[0x20 >> 2]; - u32 txq[0x20 >> 2]; - u32 ib0[0x20 >> 2]; - u32 ib1[0x20 >> 2]; -}; - -struct bna_rx_fndb_ram { - u32 rss_prop; - u32 size_routing_props; - u32 rit_hds_mcastq; - u32 control_flags; -}; - -struct bna_tx_fndb_ram { - u32 vlan_n_ctrl_flags; -}; - -/** - * @brief - * Structure which maps to RxFn Indirection Table (RIT) - * Size : 1 word - * See catapult_spec.pdf, RxA for details - */ -struct bna_rit_mem { - u32 rxq_ids; /* !< 31:12->res;11:0->two 6 bit RxQ Ids */ -}; - -/** - * @brief - * Structure which maps to RSS Table entry - * Size : 16 words - * See catapult_spec.pdf, RAD for details - */ -struct bna_rss_mem { - /* - * 31:12-> res - * 11:8 -> protocol type - * 7:0 -> hash index - */ - u32 type_n_hash; - u32 hash_key[10]; /* !< 40 byte Toeplitz hash key */ - u32 reserved[5]; -}; - -/* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */ -struct bna_dma_addr { - u32 msb; - u32 lsb; -}; - -struct bna_txq_wi_vector { - u16 reserved; - u16 length; /* Only 14 LSB are valid */ - struct bna_dma_addr host_addr; /* Tx-Buf DMA addr */ -}; - -typedef u16 bna_txq_wi_opcode_t; - -typedef u16 bna_txq_wi_ctrl_flag_t; - -/** - * TxQ Entry Structure - * - * BEWARE: Load values into this structure with correct endianess. - */ -struct bna_txq_entry { - union { - struct { - u8 reserved; - u8 num_vectors; /* number of vectors present */ - bna_txq_wi_opcode_t opcode; /* Either */ - /* BNA_TXQ_WI_SEND or */ - /* BNA_TXQ_WI_SEND_LSO */ - bna_txq_wi_ctrl_flag_t flags; /* OR of all the flags */ - u16 l4_hdr_size_n_offset; - u16 vlan_tag; - u16 lso_mss; /* Only 14 LSB are valid */ - u32 frame_length; /* Only 24 LSB are valid */ - } wi; - - struct { - u16 reserved; - bna_txq_wi_opcode_t opcode; /* Must be */ - /* BNA_TXQ_WI_EXTENSION */ - u32 reserved2[3]; /* Place holder for */ - /* removed vector (12 bytes) */ - } wi_ext; - } hdr; - struct bna_txq_wi_vector vector[4]; -}; -#define wi_hdr hdr.wi -#define wi_ext_hdr hdr.wi_ext - -/* RxQ Entry Structure */ -struct bna_rxq_entry { /* Rx-Buffer */ - struct bna_dma_addr host_addr; /* Rx-Buffer DMA address */ -}; - -typedef u32 bna_cq_e_flag_t; - -/* CQ Entry Structure */ -struct bna_cq_entry { - bna_cq_e_flag_t flags; - u16 vlan_tag; - u16 length; - u32 rss_hash; - u8 valid; - u8 reserved1; - u8 reserved2; - u8 rxq_id; -}; - -#endif /* __BNA_HW_H__ */ diff --git a/drivers/net/bna/bna_txrx.c b/drivers/net/bna/bna_txrx.c deleted file mode 100644 index f0983c832447..000000000000 --- a/drivers/net/bna/bna_txrx.c +++ /dev/null @@ -1,4185 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#include "bna.h" -#include "bfa_cs.h" -#include "bfi.h" - -/** - * IB - */ -#define bna_ib_find_free_ibidx(_mask, _pos)\ -do {\ - (_pos) = 0;\ - while (((_pos) < (BFI_IBIDX_MAX_SEGSIZE)) &&\ - ((1 << (_pos)) & (_mask)))\ - (_pos)++;\ -} while (0) - -#define bna_ib_count_ibidx(_mask, _count)\ -do {\ - int pos = 0;\ - (_count) = 0;\ - while (pos < (BFI_IBIDX_MAX_SEGSIZE)) {\ - if ((1 << pos) & (_mask))\ - (_count) = pos + 1;\ - pos++;\ - } \ -} while (0) - -#define bna_ib_select_segpool(_count, _q_idx)\ -do {\ - int i;\ - (_q_idx) = -1;\ - for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {\ - if ((_count <= ibidx_pool[i].pool_entry_size)) {\ - (_q_idx) = i;\ - break;\ - } \ - } \ -} while (0) - -struct bna_ibidx_pool { - int pool_size; - int pool_entry_size; -}; -init_ibidx_pool(ibidx_pool); - -static struct bna_intr * -bna_intr_get(struct bna_ib_mod *ib_mod, enum bna_intr_type intr_type, - int vector) -{ - struct bna_intr *intr; - struct list_head *qe; - - list_for_each(qe, &ib_mod->intr_active_q) { - intr = (struct bna_intr *)qe; - - if ((intr->intr_type == intr_type) && - (intr->vector == vector)) { - intr->ref_count++; - return intr; - } - } - - if (list_empty(&ib_mod->intr_free_q)) - return NULL; - - bfa_q_deq(&ib_mod->intr_free_q, &intr); - bfa_q_qe_init(&intr->qe); - - intr->ref_count = 1; - intr->intr_type = intr_type; - intr->vector = vector; - - list_add_tail(&intr->qe, &ib_mod->intr_active_q); - - return intr; -} - -static void -bna_intr_put(struct bna_ib_mod *ib_mod, - struct bna_intr *intr) -{ - intr->ref_count--; - - if (intr->ref_count == 0) { - intr->ib = NULL; - list_del(&intr->qe); - bfa_q_qe_init(&intr->qe); - list_add_tail(&intr->qe, &ib_mod->intr_free_q); - } -} - -void -bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna, - struct bna_res_info *res_info) -{ - int i; - int j; - int count; - u8 offset; - struct bna_doorbell_qset *qset; - unsigned long off; - - ib_mod->bna = bna; - - ib_mod->ib = (struct bna_ib *) - res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mdl[0].kva; - ib_mod->intr = (struct bna_intr *) - res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mdl[0].kva; - ib_mod->idx_seg = (struct bna_ibidx_seg *) - res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mdl[0].kva; - - INIT_LIST_HEAD(&ib_mod->ib_free_q); - INIT_LIST_HEAD(&ib_mod->intr_free_q); - INIT_LIST_HEAD(&ib_mod->intr_active_q); - - for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) - INIT_LIST_HEAD(&ib_mod->ibidx_seg_pool[i]); - - for (i = 0; i < BFI_MAX_IB; i++) { - ib_mod->ib[i].ib_id = i; - - ib_mod->ib[i].ib_seg_host_addr_kva = - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva; - ib_mod->ib[i].ib_seg_host_addr.lsb = - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb; - ib_mod->ib[i].ib_seg_host_addr.msb = - res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb; - - qset = (struct bna_doorbell_qset *)0; - off = (unsigned long)(&qset[i >> 1].ib0[(i & 0x1) - * (0x20 >> 2)]); - ib_mod->ib[i].door_bell.doorbell_addr = off + - BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva); - - bfa_q_qe_init(&ib_mod->ib[i].qe); - list_add_tail(&ib_mod->ib[i].qe, &ib_mod->ib_free_q); - - bfa_q_qe_init(&ib_mod->intr[i].qe); - list_add_tail(&ib_mod->intr[i].qe, &ib_mod->intr_free_q); - } - - count = 0; - offset = 0; - for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) { - for (j = 0; j < ibidx_pool[i].pool_size; j++) { - bfa_q_qe_init(&ib_mod->idx_seg[count]); - ib_mod->idx_seg[count].ib_seg_size = - ibidx_pool[i].pool_entry_size; - ib_mod->idx_seg[count].ib_idx_tbl_offset = offset; - list_add_tail(&ib_mod->idx_seg[count].qe, - &ib_mod->ibidx_seg_pool[i]); - count++; - offset += ibidx_pool[i].pool_entry_size; - } - } -} - -void -bna_ib_mod_uninit(struct bna_ib_mod *ib_mod) -{ - int i; - int j; - struct list_head *qe; - - i = 0; - list_for_each(qe, &ib_mod->ib_free_q) - i++; - - i = 0; - list_for_each(qe, &ib_mod->intr_free_q) - i++; - - for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) { - j = 0; - list_for_each(qe, &ib_mod->ibidx_seg_pool[i]) - j++; - } - - ib_mod->bna = NULL; -} - -static struct bna_ib * -bna_ib_get(struct bna_ib_mod *ib_mod, - enum bna_intr_type intr_type, - int vector) -{ - struct bna_ib *ib; - struct bna_intr *intr; - - if (intr_type == BNA_INTR_T_INTX) - vector = (1 << vector); - - intr = bna_intr_get(ib_mod, intr_type, vector); - if (intr == NULL) - return NULL; - - if (intr->ib) { - if (intr->ib->ref_count == BFI_IBIDX_MAX_SEGSIZE) { - bna_intr_put(ib_mod, intr); - return NULL; - } - intr->ib->ref_count++; - return intr->ib; - } - - if (list_empty(&ib_mod->ib_free_q)) { - bna_intr_put(ib_mod, intr); - return NULL; - } - - bfa_q_deq(&ib_mod->ib_free_q, &ib); - bfa_q_qe_init(&ib->qe); - - ib->ref_count = 1; - ib->start_count = 0; - ib->idx_mask = 0; - - ib->intr = intr; - ib->idx_seg = NULL; - intr->ib = ib; - - ib->bna = ib_mod->bna; - - return ib; -} - -static void -bna_ib_put(struct bna_ib_mod *ib_mod, struct bna_ib *ib) -{ - bna_intr_put(ib_mod, ib->intr); - - ib->ref_count--; - - if (ib->ref_count == 0) { - ib->intr = NULL; - ib->bna = NULL; - list_add_tail(&ib->qe, &ib_mod->ib_free_q); - } -} - -/* Returns index offset - starting from 0 */ -static int -bna_ib_reserve_idx(struct bna_ib *ib) -{ - struct bna_ib_mod *ib_mod = &ib->bna->ib_mod; - struct bna_ibidx_seg *idx_seg; - int idx; - int num_idx; - int q_idx; - - /* Find the first free index position */ - bna_ib_find_free_ibidx(ib->idx_mask, idx); - if (idx == BFI_IBIDX_MAX_SEGSIZE) - return -1; - - /* - * Calculate the total number of indexes held by this IB, - * including the index newly reserved above. - */ - bna_ib_count_ibidx((ib->idx_mask | (1 << idx)), num_idx); - - /* See if there is a free space in the index segment held by this IB */ - if (ib->idx_seg && (num_idx <= ib->idx_seg->ib_seg_size)) { - ib->idx_mask |= (1 << idx); - return idx; - } - - if (ib->start_count) - return -1; - - /* Allocate a new segment */ - bna_ib_select_segpool(num_idx, q_idx); - while (1) { - if (q_idx == BFI_IBIDX_TOTAL_POOLS) - return -1; - if (!list_empty(&ib_mod->ibidx_seg_pool[q_idx])) - break; - q_idx++; - } - bfa_q_deq(&ib_mod->ibidx_seg_pool[q_idx], &idx_seg); - bfa_q_qe_init(&idx_seg->qe); - - /* Free the old segment */ - if (ib->idx_seg) { - bna_ib_select_segpool(ib->idx_seg->ib_seg_size, q_idx); - list_add_tail(&ib->idx_seg->qe, &ib_mod->ibidx_seg_pool[q_idx]); - } - - ib->idx_seg = idx_seg; - - ib->idx_mask |= (1 << idx); - - return idx; -} - -static void -bna_ib_release_idx(struct bna_ib *ib, int idx) -{ - struct bna_ib_mod *ib_mod = &ib->bna->ib_mod; - struct bna_ibidx_seg *idx_seg; - int num_idx; - int cur_q_idx; - int new_q_idx; - - ib->idx_mask &= ~(1 << idx); - - if (ib->start_count) - return; - - bna_ib_count_ibidx(ib->idx_mask, num_idx); - - /* - * Free the segment, if there are no more indexes in the segment - * held by this IB - */ - if (!num_idx) { - bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx); - list_add_tail(&ib->idx_seg->qe, - &ib_mod->ibidx_seg_pool[cur_q_idx]); - ib->idx_seg = NULL; - return; - } - - /* See if we can move to a smaller segment */ - bna_ib_select_segpool(num_idx, new_q_idx); - bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx); - while (new_q_idx < cur_q_idx) { - if (!list_empty(&ib_mod->ibidx_seg_pool[new_q_idx])) - break; - new_q_idx++; - } - if (new_q_idx < cur_q_idx) { - /* Select the new smaller segment */ - bfa_q_deq(&ib_mod->ibidx_seg_pool[new_q_idx], &idx_seg); - bfa_q_qe_init(&idx_seg->qe); - /* Free the old segment */ - list_add_tail(&ib->idx_seg->qe, - &ib_mod->ibidx_seg_pool[cur_q_idx]); - ib->idx_seg = idx_seg; - } -} - -static int -bna_ib_config(struct bna_ib *ib, struct bna_ib_config *ib_config) -{ - if (ib->start_count) - return -1; - - ib->ib_config.coalescing_timeo = ib_config->coalescing_timeo; - ib->ib_config.interpkt_timeo = ib_config->interpkt_timeo; - ib->ib_config.interpkt_count = ib_config->interpkt_count; - ib->ib_config.ctrl_flags = ib_config->ctrl_flags; - - ib->ib_config.ctrl_flags |= BFI_IB_CF_MASTER_ENABLE; - if (ib->intr->intr_type == BNA_INTR_T_MSIX) - ib->ib_config.ctrl_flags |= BFI_IB_CF_MSIX_MODE; - - return 0; -} - -static void -bna_ib_start(struct bna_ib *ib) -{ - struct bna_ib_blk_mem ib_cfg; - struct bna_ib_blk_mem *ib_mem; - u32 pg_num; - u32 intx_mask; - int i; - void __iomem *base_addr; - unsigned long off; - - ib->start_count++; - - if (ib->start_count > 1) - return; - - ib_cfg.host_addr_lo = (u32)(ib->ib_seg_host_addr.lsb); - ib_cfg.host_addr_hi = (u32)(ib->ib_seg_host_addr.msb); - - ib_cfg.clsc_n_ctrl_n_msix = (((u32) - ib->ib_config.coalescing_timeo << 16) | - ((u32)ib->ib_config.ctrl_flags << 8) | - (ib->intr->vector)); - ib_cfg.ipkt_n_ent_n_idxof = - ((u32) - (ib->ib_config.interpkt_timeo & 0xf) << 16) | - ((u32)ib->idx_seg->ib_seg_size << 8) | - (ib->idx_seg->ib_idx_tbl_offset); - ib_cfg.ipkt_cnt_cfg_n_unacked = ((u32) - ib->ib_config.interpkt_count << 24); - - pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num, - HQM_IB_RAM_BASE_OFFSET); - writel(pg_num, ib->bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva, - HQM_IB_RAM_BASE_OFFSET); - - ib_mem = (struct bna_ib_blk_mem *)0; - off = (unsigned long)&ib_mem[ib->ib_id].host_addr_lo; - writel(htonl(ib_cfg.host_addr_lo), base_addr + off); - - off = (unsigned long)&ib_mem[ib->ib_id].host_addr_hi; - writel(htonl(ib_cfg.host_addr_hi), base_addr + off); - - off = (unsigned long)&ib_mem[ib->ib_id].clsc_n_ctrl_n_msix; - writel(ib_cfg.clsc_n_ctrl_n_msix, base_addr + off); - - off = (unsigned long)&ib_mem[ib->ib_id].ipkt_n_ent_n_idxof; - writel(ib_cfg.ipkt_n_ent_n_idxof, base_addr + off); - - off = (unsigned long)&ib_mem[ib->ib_id].ipkt_cnt_cfg_n_unacked; - writel(ib_cfg.ipkt_cnt_cfg_n_unacked, base_addr + off); - - ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK( - (u32)ib->ib_config.coalescing_timeo, 0); - - pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num, - HQM_INDX_TBL_RAM_BASE_OFFSET); - writel(pg_num, ib->bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva, - HQM_INDX_TBL_RAM_BASE_OFFSET); - for (i = 0; i < ib->idx_seg->ib_seg_size; i++) { - off = (unsigned long) - ((ib->idx_seg->ib_idx_tbl_offset + i) * BFI_IBIDX_SIZE); - writel(0, base_addr + off); - } - - if (ib->intr->intr_type == BNA_INTR_T_INTX) { - bna_intx_disable(ib->bna, intx_mask); - intx_mask &= ~(ib->intr->vector); - bna_intx_enable(ib->bna, intx_mask); - } -} - -static void -bna_ib_stop(struct bna_ib *ib) -{ - u32 intx_mask; - - ib->start_count--; - - if (ib->start_count == 0) { - writel(BNA_DOORBELL_IB_INT_DISABLE, - ib->door_bell.doorbell_addr); - if (ib->intr->intr_type == BNA_INTR_T_INTX) { - bna_intx_disable(ib->bna, intx_mask); - intx_mask |= (ib->intr->vector); - bna_intx_enable(ib->bna, intx_mask); - } - } -} - -static void -bna_ib_fail(struct bna_ib *ib) -{ - ib->start_count = 0; -} - -/** - * RXF - */ -static void rxf_enable(struct bna_rxf *rxf); -static void rxf_disable(struct bna_rxf *rxf); -static void __rxf_config_set(struct bna_rxf *rxf); -static void __rxf_rit_set(struct bna_rxf *rxf); -static void __bna_rxf_stat_clr(struct bna_rxf *rxf); -static int rxf_process_packet_filter(struct bna_rxf *rxf); -static int rxf_clear_packet_filter(struct bna_rxf *rxf); -static void rxf_reset_packet_filter(struct bna_rxf *rxf); -static void rxf_cb_enabled(void *arg, int status); -static void rxf_cb_disabled(void *arg, int status); -static void bna_rxf_cb_stats_cleared(void *arg, int status); -static void __rxf_enable(struct bna_rxf *rxf); -static void __rxf_disable(struct bna_rxf *rxf); - -bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, start_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, cam_fltr_mod_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, cam_fltr_clr_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, stop_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, pause_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, resume_wait, struct bna_rxf, - enum bna_rxf_event); -bfa_fsm_state_decl(bna_rxf, stat_clr_wait, struct bna_rxf, - enum bna_rxf_event); - -static struct bfa_sm_table rxf_sm_table[] = { - {BFA_SM(bna_rxf_sm_stopped), BNA_RXF_STOPPED}, - {BFA_SM(bna_rxf_sm_start_wait), BNA_RXF_START_WAIT}, - {BFA_SM(bna_rxf_sm_cam_fltr_mod_wait), BNA_RXF_CAM_FLTR_MOD_WAIT}, - {BFA_SM(bna_rxf_sm_started), BNA_RXF_STARTED}, - {BFA_SM(bna_rxf_sm_cam_fltr_clr_wait), BNA_RXF_CAM_FLTR_CLR_WAIT}, - {BFA_SM(bna_rxf_sm_stop_wait), BNA_RXF_STOP_WAIT}, - {BFA_SM(bna_rxf_sm_pause_wait), BNA_RXF_PAUSE_WAIT}, - {BFA_SM(bna_rxf_sm_resume_wait), BNA_RXF_RESUME_WAIT}, - {BFA_SM(bna_rxf_sm_stat_clr_wait), BNA_RXF_STAT_CLR_WAIT} -}; - -static void -bna_rxf_sm_stopped_entry(struct bna_rxf *rxf) -{ - call_rxf_stop_cbfn(rxf, BNA_CB_SUCCESS); -} - -static void -bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_START: - bfa_fsm_set_state(rxf, bna_rxf_sm_start_wait); - break; - - case RXF_E_STOP: - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_FAIL: - /* No-op */ - break; - - case RXF_E_CAM_FLTR_MOD: - call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); - break; - - case RXF_E_STARTED: - case RXF_E_STOPPED: - case RXF_E_CAM_FLTR_RESP: - /** - * These events are received due to flushing of mbox - * when device fails - */ - /* No-op */ - break; - - case RXF_E_PAUSE: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; - call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS); - break; - - case RXF_E_RESUME: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; - call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_start_wait_entry(struct bna_rxf *rxf) -{ - __rxf_config_set(rxf); - __rxf_rit_set(rxf); - rxf_enable(rxf); -} - -static void -bna_rxf_sm_start_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_STOP: - /** - * STOP is originated from bnad. When this happens, - * it can not be waiting for filter update - */ - call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT); - bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait); - break; - - case RXF_E_FAIL: - call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); - call_rxf_start_cbfn(rxf, BNA_CB_FAIL); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_CAM_FLTR_MOD: - /* No-op */ - break; - - case RXF_E_STARTED: - /** - * Force rxf_process_filter() to go through initial - * config - */ - if ((rxf->ucast_active_mac != NULL) && - (rxf->ucast_pending_set == 0)) - rxf->ucast_pending_set = 1; - - if (rxf->rss_status == BNA_STATUS_T_ENABLED) - rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING; - - rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; - - bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait); - break; - - case RXF_E_PAUSE: - case RXF_E_RESUME: - rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED; - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_cam_fltr_mod_wait_entry(struct bna_rxf *rxf) -{ - if (!rxf_process_packet_filter(rxf)) { - /* No more pending CAM entries to update */ - bfa_fsm_set_state(rxf, bna_rxf_sm_started); - } -} - -static void -bna_rxf_sm_cam_fltr_mod_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_STOP: - /** - * STOP is originated from bnad. When this happens, - * it can not be waiting for filter update - */ - call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT); - bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait); - break; - - case RXF_E_FAIL: - rxf_reset_packet_filter(rxf); - call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); - call_rxf_start_cbfn(rxf, BNA_CB_FAIL); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_CAM_FLTR_MOD: - /* No-op */ - break; - - case RXF_E_CAM_FLTR_RESP: - if (!rxf_process_packet_filter(rxf)) { - /* No more pending CAM entries to update */ - call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); - bfa_fsm_set_state(rxf, bna_rxf_sm_started); - } - break; - - case RXF_E_PAUSE: - case RXF_E_RESUME: - rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED; - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_started_entry(struct bna_rxf *rxf) -{ - call_rxf_start_cbfn(rxf, BNA_CB_SUCCESS); - - if (rxf->rxf_flags & BNA_RXF_FL_OPERSTATE_CHANGED) { - if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) - bfa_fsm_send_event(rxf, RXF_E_PAUSE); - else - bfa_fsm_send_event(rxf, RXF_E_RESUME); - } - -} - -static void -bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_STOP: - bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait); - /* Hack to get FSM start clearing CAM entries */ - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP); - break; - - case RXF_E_FAIL: - rxf_reset_packet_filter(rxf); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_CAM_FLTR_MOD: - bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait); - break; - - case RXF_E_PAUSE: - bfa_fsm_set_state(rxf, bna_rxf_sm_pause_wait); - break; - - case RXF_E_RESUME: - bfa_fsm_set_state(rxf, bna_rxf_sm_resume_wait); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_cam_fltr_clr_wait_entry(struct bna_rxf *rxf) -{ - /** - * Note: Do not add rxf_clear_packet_filter here. - * It will overstep mbox when this transition happens: - * cam_fltr_mod_wait -> cam_fltr_clr_wait on RXF_E_STOP event - */ -} - -static void -bna_rxf_sm_cam_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_FAIL: - /** - * FSM was in the process of stopping, initiated by - * bnad. When this happens, no one can be waiting for - * start or filter update - */ - rxf_reset_packet_filter(rxf); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_CAM_FLTR_RESP: - if (!rxf_clear_packet_filter(rxf)) { - /* No more pending CAM entries to clear */ - bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait); - rxf_disable(rxf); - } - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_stop_wait_entry(struct bna_rxf *rxf) -{ - /** - * NOTE: Do not add rxf_disable here. - * It will overstep mbox when this transition happens: - * start_wait -> stop_wait on RXF_E_STOP event - */ -} - -static void -bna_rxf_sm_stop_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_FAIL: - /** - * FSM was in the process of stopping, initiated by - * bnad. When this happens, no one can be waiting for - * start or filter update - */ - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_STARTED: - /** - * This event is received due to abrupt transition from - * bna_rxf_sm_start_wait state on receiving - * RXF_E_STOP event - */ - rxf_disable(rxf); - break; - - case RXF_E_STOPPED: - /** - * FSM was in the process of stopping, initiated by - * bnad. When this happens, no one can be waiting for - * start or filter update - */ - bfa_fsm_set_state(rxf, bna_rxf_sm_stat_clr_wait); - break; - - case RXF_E_PAUSE: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; - break; - - case RXF_E_RESUME: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_pause_wait_entry(struct bna_rxf *rxf) -{ - rxf->rxf_flags &= - ~(BNA_RXF_FL_OPERSTATE_CHANGED | BNA_RXF_FL_RXF_ENABLED); - __rxf_disable(rxf); -} - -static void -bna_rxf_sm_pause_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_FAIL: - /** - * FSM was in the process of disabling rxf, initiated by - * bnad. - */ - call_rxf_pause_cbfn(rxf, BNA_CB_FAIL); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_STOPPED: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; - call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS); - bfa_fsm_set_state(rxf, bna_rxf_sm_started); - break; - - /* - * Since PAUSE/RESUME can only be sent by bnad, we don't expect - * any other event during these states - */ - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_resume_wait_entry(struct bna_rxf *rxf) -{ - rxf->rxf_flags &= ~(BNA_RXF_FL_OPERSTATE_CHANGED); - rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED; - __rxf_enable(rxf); -} - -static void -bna_rxf_sm_resume_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_FAIL: - /** - * FSM was in the process of disabling rxf, initiated by - * bnad. - */ - call_rxf_resume_cbfn(rxf, BNA_CB_FAIL); - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - case RXF_E_STARTED: - rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; - call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS); - bfa_fsm_set_state(rxf, bna_rxf_sm_started); - break; - - /* - * Since PAUSE/RESUME can only be sent by bnad, we don't expect - * any other event during these states - */ - default: - bfa_sm_fault(event); - } -} - -static void -bna_rxf_sm_stat_clr_wait_entry(struct bna_rxf *rxf) -{ - __bna_rxf_stat_clr(rxf); -} - -static void -bna_rxf_sm_stat_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event) -{ - switch (event) { - case RXF_E_FAIL: - case RXF_E_STAT_CLEARED: - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -__rxf_enable(struct bna_rxf *rxf) -{ - struct bfi_ll_rxf_multi_req ll_req; - u32 bm[2] = {0, 0}; - - if (rxf->rxf_id < 32) - bm[0] = 1 << rxf->rxf_id; - else - bm[1] = 1 << (rxf->rxf_id - 32); - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0); - ll_req.rxf_id_mask[0] = htonl(bm[0]); - ll_req.rxf_id_mask[1] = htonl(bm[1]); - ll_req.enable = 1; - - bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), - rxf_cb_enabled, rxf); - - bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); -} - -static void -__rxf_disable(struct bna_rxf *rxf) -{ - struct bfi_ll_rxf_multi_req ll_req; - u32 bm[2] = {0, 0}; - - if (rxf->rxf_id < 32) - bm[0] = 1 << rxf->rxf_id; - else - bm[1] = 1 << (rxf->rxf_id - 32); - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0); - ll_req.rxf_id_mask[0] = htonl(bm[0]); - ll_req.rxf_id_mask[1] = htonl(bm[1]); - ll_req.enable = 0; - - bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), - rxf_cb_disabled, rxf); - - bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); -} - -static void -__rxf_config_set(struct bna_rxf *rxf) -{ - u32 i; - struct bna_rss_mem *rss_mem; - struct bna_rx_fndb_ram *rx_fndb_ram; - struct bna *bna = rxf->rx->bna; - void __iomem *base_addr; - unsigned long off; - - base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, - RSS_TABLE_BASE_OFFSET); - - rss_mem = (struct bna_rss_mem *)0; - - /* Configure RSS if required */ - if (rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE) { - /* configure RSS Table */ - writel(BNA_GET_PAGE_NUM(RAD0_MEM_BLK_BASE_PG_NUM + - bna->port_num, RSS_TABLE_BASE_OFFSET), - bna->regs.page_addr); - - /* temporarily disable RSS, while hash value is written */ - off = (unsigned long)&rss_mem[0].type_n_hash; - writel(0, base_addr + off); - - for (i = 0; i < BFI_RSS_HASH_KEY_LEN; i++) { - off = (unsigned long) - &rss_mem[0].hash_key[(BFI_RSS_HASH_KEY_LEN - 1) - i]; - writel(htonl(rxf->rss_cfg.toeplitz_hash_key[i]), - base_addr + off); - } - - off = (unsigned long)&rss_mem[0].type_n_hash; - writel(rxf->rss_cfg.hash_type | rxf->rss_cfg.hash_mask, - base_addr + off); - } - - /* Configure RxF */ - writel(BNA_GET_PAGE_NUM( - LUT0_MEM_BLK_BASE_PG_NUM + (bna->port_num * 2), - RX_FNDB_RAM_BASE_OFFSET), - bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, - RX_FNDB_RAM_BASE_OFFSET); - - rx_fndb_ram = (struct bna_rx_fndb_ram *)0; - - /* We always use RSS table 0 */ - off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rss_prop; - writel(rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE, - base_addr + off); - - /* small large buffer enable/disable */ - off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].size_routing_props; - writel((rxf->ctrl_flags & BNA_RXF_CF_SM_LG_RXQ) | 0x80, - base_addr + off); - - /* RIT offset, HDS forced offset, multicast RxQ Id */ - off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rit_hds_mcastq; - writel((rxf->rit_segment->rit_offset << 16) | - (rxf->forced_offset << 8) | - (rxf->hds_cfg.hdr_type & BNA_HDS_FORCED) | rxf->mcast_rxq_id, - base_addr + off); - - /* - * default vlan tag, default function enable, strip vlan bytes, - * HDS type, header size - */ - - off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].control_flags; - writel(((u32)rxf->default_vlan_tag << 16) | - (rxf->ctrl_flags & - (BNA_RXF_CF_DEFAULT_VLAN | - BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE | - BNA_RXF_CF_VLAN_STRIP)) | - (rxf->hds_cfg.hdr_type & ~BNA_HDS_FORCED) | - rxf->hds_cfg.header_size, - base_addr + off); -} - -void -__rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status) -{ - struct bna *bna = rxf->rx->bna; - int i; - - writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + - (bna->port_num * 2), VLAN_RAM_BASE_OFFSET), - bna->regs.page_addr); - - if (status == BNA_STATUS_T_ENABLED) { - /* enable VLAN filtering on this function */ - for (i = 0; i <= BFI_MAX_VLAN / 32; i++) { - writel(rxf->vlan_filter_table[i], - BNA_GET_VLAN_MEM_ENTRY_ADDR - (bna->pcidev.pci_bar_kva, rxf->rxf_id, - i * 32)); - } - } else { - /* disable VLAN filtering on this function */ - for (i = 0; i <= BFI_MAX_VLAN / 32; i++) { - writel(0xffffffff, - BNA_GET_VLAN_MEM_ENTRY_ADDR - (bna->pcidev.pci_bar_kva, rxf->rxf_id, - i * 32)); - } - } -} - -static void -__rxf_rit_set(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - struct bna_rit_mem *rit_mem; - int i; - void __iomem *base_addr; - unsigned long off; - - base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, - FUNCTION_TO_RXQ_TRANSLATE); - - rit_mem = (struct bna_rit_mem *)0; - - writel(BNA_GET_PAGE_NUM(RXA0_MEM_BLK_BASE_PG_NUM + bna->port_num, - FUNCTION_TO_RXQ_TRANSLATE), - bna->regs.page_addr); - - for (i = 0; i < rxf->rit_segment->rit_size; i++) { - off = (unsigned long)&rit_mem[i + rxf->rit_segment->rit_offset]; - writel(rxf->rit_segment->rit[i].large_rxq_id << 6 | - rxf->rit_segment->rit[i].small_rxq_id, - base_addr + off); - } -} - -static void -__bna_rxf_stat_clr(struct bna_rxf *rxf) -{ - struct bfi_ll_stats_req ll_req; - u32 bm[2] = {0, 0}; - - if (rxf->rxf_id < 32) - bm[0] = 1 << rxf->rxf_id; - else - bm[1] = 1 << (rxf->rxf_id - 32); - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0); - ll_req.stats_mask = 0; - ll_req.txf_id_mask[0] = 0; - ll_req.txf_id_mask[1] = 0; - - ll_req.rxf_id_mask[0] = htonl(bm[0]); - ll_req.rxf_id_mask[1] = htonl(bm[1]); - - bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), - bna_rxf_cb_stats_cleared, rxf); - bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); -} - -static void -rxf_enable(struct bna_rxf *rxf) -{ - if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) - bfa_fsm_send_event(rxf, RXF_E_STARTED); - else { - rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED; - __rxf_enable(rxf); - } -} - -static void -rxf_cb_enabled(void *arg, int status) -{ - struct bna_rxf *rxf = (struct bna_rxf *)arg; - - bfa_q_qe_init(&rxf->mbox_qe.qe); - bfa_fsm_send_event(rxf, RXF_E_STARTED); -} - -static void -rxf_disable(struct bna_rxf *rxf) -{ - if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) - bfa_fsm_send_event(rxf, RXF_E_STOPPED); - else - rxf->rxf_flags &= ~BNA_RXF_FL_RXF_ENABLED; - __rxf_disable(rxf); -} - -static void -rxf_cb_disabled(void *arg, int status) -{ - struct bna_rxf *rxf = (struct bna_rxf *)arg; - - bfa_q_qe_init(&rxf->mbox_qe.qe); - bfa_fsm_send_event(rxf, RXF_E_STOPPED); -} - -void -rxf_cb_cam_fltr_mbox_cmd(void *arg, int status) -{ - struct bna_rxf *rxf = (struct bna_rxf *)arg; - - bfa_q_qe_init(&rxf->mbox_qe.qe); - - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP); -} - -static void -bna_rxf_cb_stats_cleared(void *arg, int status) -{ - struct bna_rxf *rxf = (struct bna_rxf *)arg; - - bfa_q_qe_init(&rxf->mbox_qe.qe); - bfa_fsm_send_event(rxf, RXF_E_STAT_CLEARED); -} - -void -rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd, - const struct bna_mac *mac_addr) -{ - struct bfi_ll_mac_addr_req req; - - bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0); - - req.rxf_id = rxf->rxf_id; - memcpy(&req.mac_addr, (void *)&mac_addr->addr, ETH_ALEN); - - bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req), - rxf_cb_cam_fltr_mbox_cmd, rxf); - - bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); -} - -static int -rxf_process_packet_filter_mcast(struct bna_rxf *rxf) -{ - struct bna_mac *mac = NULL; - struct list_head *qe; - - /* Add multicast entries */ - if (!list_empty(&rxf->mcast_pending_add_q)) { - bfa_q_deq(&rxf->mcast_pending_add_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_ADD_REQ, mac); - list_add_tail(&mac->qe, &rxf->mcast_active_q); - return 1; - } - - /* Delete multicast entries previousely added */ - if (!list_empty(&rxf->mcast_pending_del_q)) { - bfa_q_deq(&rxf->mcast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - return 1; - } - - return 0; -} - -static int -rxf_process_packet_filter_vlan(struct bna_rxf *rxf) -{ - /* Apply the VLAN filter */ - if (rxf->rxf_flags & BNA_RXF_FL_VLAN_CONFIG_PENDING) { - rxf->rxf_flags &= ~BNA_RXF_FL_VLAN_CONFIG_PENDING; - if (!(rxf->rxmode_active & BNA_RXMODE_PROMISC)) - __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); - } - - /* Apply RSS configuration */ - if (rxf->rxf_flags & BNA_RXF_FL_RSS_CONFIG_PENDING) { - rxf->rxf_flags &= ~BNA_RXF_FL_RSS_CONFIG_PENDING; - if (rxf->rss_status == BNA_STATUS_T_DISABLED) { - /* RSS is being disabled */ - rxf->ctrl_flags &= ~BNA_RXF_CF_RSS_ENABLE; - __rxf_rit_set(rxf); - __rxf_config_set(rxf); - } else { - /* RSS is being enabled or reconfigured */ - rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE; - __rxf_rit_set(rxf); - __rxf_config_set(rxf); - } - } - - return 0; -} - -/** - * Processes pending ucast, mcast entry addition/deletion and issues mailbox - * command. Also processes pending filter configuration - promiscuous mode, - * default mode, allmutli mode and issues mailbox command or directly applies - * to h/w - */ -static int -rxf_process_packet_filter(struct bna_rxf *rxf) -{ - /* Set the default MAC first */ - if (rxf->ucast_pending_set > 0) { - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_SET_REQ, - rxf->ucast_active_mac); - rxf->ucast_pending_set--; - return 1; - } - - if (rxf_process_packet_filter_ucast(rxf)) - return 1; - - if (rxf_process_packet_filter_mcast(rxf)) - return 1; - - if (rxf_process_packet_filter_promisc(rxf)) - return 1; - - if (rxf_process_packet_filter_allmulti(rxf)) - return 1; - - if (rxf_process_packet_filter_vlan(rxf)) - return 1; - - return 0; -} - -static int -rxf_clear_packet_filter_mcast(struct bna_rxf *rxf) -{ - struct bna_mac *mac = NULL; - struct list_head *qe; - - /* 3. delete pending mcast entries */ - if (!list_empty(&rxf->mcast_pending_del_q)) { - bfa_q_deq(&rxf->mcast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - return 1; - } - - /* 4. clear active mcast entries; move them to pending_add_q */ - if (!list_empty(&rxf->mcast_active_q)) { - bfa_q_deq(&rxf->mcast_active_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); - list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); - return 1; - } - - return 0; -} - -/** - * In the rxf stop path, processes pending ucast/mcast delete queue and issues - * the mailbox command. Moves the active ucast/mcast entries to pending add q, - * so that they are added to CAM again in the rxf start path. Moves the current - * filter settings - promiscuous, default, allmutli - to pending filter - * configuration - */ -static int -rxf_clear_packet_filter(struct bna_rxf *rxf) -{ - if (rxf_clear_packet_filter_ucast(rxf)) - return 1; - - if (rxf_clear_packet_filter_mcast(rxf)) - return 1; - - /* 5. clear active default MAC in the CAM */ - if (rxf->ucast_pending_set > 0) - rxf->ucast_pending_set = 0; - - if (rxf_clear_packet_filter_promisc(rxf)) - return 1; - - if (rxf_clear_packet_filter_allmulti(rxf)) - return 1; - - return 0; -} - -static void -rxf_reset_packet_filter_mcast(struct bna_rxf *rxf) -{ - struct list_head *qe; - struct bna_mac *mac; - - /* 3. Move active mcast entries to pending_add_q */ - while (!list_empty(&rxf->mcast_active_q)) { - bfa_q_deq(&rxf->mcast_active_q, &qe); - bfa_q_qe_init(qe); - list_add_tail(qe, &rxf->mcast_pending_add_q); - } - - /* 4. Throw away delete pending mcast entries */ - while (!list_empty(&rxf->mcast_pending_del_q)) { - bfa_q_deq(&rxf->mcast_pending_del_q, &qe); - bfa_q_qe_init(qe); - mac = (struct bna_mac *)qe; - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - } -} - -/** - * In the rxf fail path, throws away the ucast/mcast entries pending for - * deletion, moves all active ucast/mcast entries to pending queue so that - * they are added back to CAM in the rxf start path. Also moves the current - * filter configuration to pending filter configuration. - */ -static void -rxf_reset_packet_filter(struct bna_rxf *rxf) -{ - rxf_reset_packet_filter_ucast(rxf); - - rxf_reset_packet_filter_mcast(rxf); - - /* 5. Turn off ucast set flag */ - rxf->ucast_pending_set = 0; - - rxf_reset_packet_filter_promisc(rxf); - - rxf_reset_packet_filter_allmulti(rxf); -} - -static void -bna_rxf_init(struct bna_rxf *rxf, - struct bna_rx *rx, - struct bna_rx_config *q_config) -{ - struct list_head *qe; - struct bna_rxp *rxp; - - /* rxf_id is initialized during rx_mod init */ - rxf->rx = rx; - - INIT_LIST_HEAD(&rxf->ucast_pending_add_q); - INIT_LIST_HEAD(&rxf->ucast_pending_del_q); - rxf->ucast_pending_set = 0; - INIT_LIST_HEAD(&rxf->ucast_active_q); - rxf->ucast_active_mac = NULL; - - INIT_LIST_HEAD(&rxf->mcast_pending_add_q); - INIT_LIST_HEAD(&rxf->mcast_pending_del_q); - INIT_LIST_HEAD(&rxf->mcast_active_q); - - bfa_q_qe_init(&rxf->mbox_qe.qe); - - if (q_config->vlan_strip_status == BNA_STATUS_T_ENABLED) - rxf->ctrl_flags |= BNA_RXF_CF_VLAN_STRIP; - - rxf->rxf_oper_state = (q_config->paused) ? - BNA_RXF_OPER_STATE_PAUSED : BNA_RXF_OPER_STATE_RUNNING; - - bna_rxf_adv_init(rxf, rx, q_config); - - rxf->rit_segment = bna_rit_mod_seg_get(&rxf->rx->bna->rit_mod, - q_config->num_paths); - - list_for_each(qe, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe; - if (q_config->rxp_type == BNA_RXP_SINGLE) - rxf->mcast_rxq_id = rxp->rxq.single.only->rxq_id; - else - rxf->mcast_rxq_id = rxp->rxq.slr.large->rxq_id; - break; - } - - rxf->vlan_filter_status = BNA_STATUS_T_DISABLED; - memset(rxf->vlan_filter_table, 0, - (sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32))); - - /* Set up VLAN 0 for pure priority tagged packets */ - rxf->vlan_filter_table[0] |= 1; - - bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); -} - -static void -bna_rxf_uninit(struct bna_rxf *rxf) -{ - struct bna *bna = rxf->rx->bna; - struct bna_mac *mac; - - bna_rit_mod_seg_put(&rxf->rx->bna->rit_mod, rxf->rit_segment); - rxf->rit_segment = NULL; - - rxf->ucast_pending_set = 0; - - while (!list_empty(&rxf->ucast_pending_add_q)) { - bfa_q_deq(&rxf->ucast_pending_add_q, &mac); - bfa_q_qe_init(&mac->qe); - bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); - } - - if (rxf->ucast_active_mac) { - bfa_q_qe_init(&rxf->ucast_active_mac->qe); - bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, - rxf->ucast_active_mac); - rxf->ucast_active_mac = NULL; - } - - while (!list_empty(&rxf->mcast_pending_add_q)) { - bfa_q_deq(&rxf->mcast_pending_add_q, &mac); - bfa_q_qe_init(&mac->qe); - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - } - - /* Turn off pending promisc mode */ - if (is_promisc_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - /* system promisc state should be pending */ - BUG_ON(!(bna->rxf_promisc_id == rxf->rxf_id)); - promisc_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - bna->rxf_promisc_id = BFI_MAX_RXF; - } - /* Promisc mode should not be active */ - BUG_ON(rxf->rxmode_active & BNA_RXMODE_PROMISC); - - /* Turn off pending all-multi mode */ - if (is_allmulti_enable(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask)) { - allmulti_inactive(rxf->rxmode_pending, - rxf->rxmode_pending_bitmask); - } - /* Allmulti mode should not be active */ - BUG_ON(rxf->rxmode_active & BNA_RXMODE_ALLMULTI); - - rxf->rx = NULL; -} - -static void -bna_rx_cb_rxf_started(struct bna_rx *rx, enum bna_cb_status status) -{ - bfa_fsm_send_event(rx, RX_E_RXF_STARTED); - if (rx->rxf.rxf_id < 32) - rx->bna->rx_mod.rxf_bmap[0] |= ((u32)1 << rx->rxf.rxf_id); - else - rx->bna->rx_mod.rxf_bmap[1] |= ((u32) - 1 << (rx->rxf.rxf_id - 32)); -} - -static void -bna_rxf_start(struct bna_rxf *rxf) -{ - rxf->start_cbfn = bna_rx_cb_rxf_started; - rxf->start_cbarg = rxf->rx; - rxf->rxf_flags &= ~BNA_RXF_FL_FAILED; - bfa_fsm_send_event(rxf, RXF_E_START); -} - -static void -bna_rx_cb_rxf_stopped(struct bna_rx *rx, enum bna_cb_status status) -{ - bfa_fsm_send_event(rx, RX_E_RXF_STOPPED); - if (rx->rxf.rxf_id < 32) - rx->bna->rx_mod.rxf_bmap[0] &= ~(u32)1 << rx->rxf.rxf_id; - else - rx->bna->rx_mod.rxf_bmap[1] &= ~(u32) - 1 << (rx->rxf.rxf_id - 32); -} - -static void -bna_rxf_stop(struct bna_rxf *rxf) -{ - rxf->stop_cbfn = bna_rx_cb_rxf_stopped; - rxf->stop_cbarg = rxf->rx; - bfa_fsm_send_event(rxf, RXF_E_STOP); -} - -static void -bna_rxf_fail(struct bna_rxf *rxf) -{ - rxf->rxf_flags |= BNA_RXF_FL_FAILED; - bfa_fsm_send_event(rxf, RXF_E_FAIL); -} - -int -bna_rxf_state_get(struct bna_rxf *rxf) -{ - return bfa_sm_to_state(rxf_sm_table, rxf->fsm); -} - -enum bna_cb_status -bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)) -{ - struct bna_rxf *rxf = &rx->rxf; - - if (rxf->ucast_active_mac == NULL) { - rxf->ucast_active_mac = - bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod); - if (rxf->ucast_active_mac == NULL) - return BNA_CB_UCAST_CAM_FULL; - bfa_q_qe_init(&rxf->ucast_active_mac->qe); - } - - memcpy(rxf->ucast_active_mac->addr, ucmac, ETH_ALEN); - rxf->ucast_pending_set++; - rxf->cam_fltr_cbfn = cbfn; - rxf->cam_fltr_cbarg = rx->bna->bnad; - - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - - return BNA_CB_SUCCESS; -} - -enum bna_cb_status -bna_rx_mcast_add(struct bna_rx *rx, u8 *addr, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)) -{ - struct bna_rxf *rxf = &rx->rxf; - struct list_head *qe; - struct bna_mac *mac; - - /* Check if already added */ - list_for_each(qe, &rxf->mcast_active_q) { - mac = (struct bna_mac *)qe; - if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { - if (cbfn) - (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); - return BNA_CB_SUCCESS; - } - } - - /* Check if pending addition */ - list_for_each(qe, &rxf->mcast_pending_add_q) { - mac = (struct bna_mac *)qe; - if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { - if (cbfn) - (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); - return BNA_CB_SUCCESS; - } - } - - mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod); - if (mac == NULL) - return BNA_CB_MCAST_LIST_FULL; - bfa_q_qe_init(&mac->qe); - memcpy(mac->addr, addr, ETH_ALEN); - list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); - - rxf->cam_fltr_cbfn = cbfn; - rxf->cam_fltr_cbarg = rx->bna->bnad; - - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - - return BNA_CB_SUCCESS; -} - -enum bna_cb_status -bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist, - void (*cbfn)(struct bnad *, struct bna_rx *, - enum bna_cb_status)) -{ - struct bna_rxf *rxf = &rx->rxf; - struct list_head list_head; - struct list_head *qe; - u8 *mcaddr; - struct bna_mac *mac; - struct bna_mac *mac1; - int skip; - int delete; - int need_hw_config = 0; - int i; - - /* Allocate nodes */ - INIT_LIST_HEAD(&list_head); - for (i = 0, mcaddr = mclist; i < count; i++) { - mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod); - if (mac == NULL) - goto err_return; - bfa_q_qe_init(&mac->qe); - memcpy(mac->addr, mcaddr, ETH_ALEN); - list_add_tail(&mac->qe, &list_head); - - mcaddr += ETH_ALEN; - } - - /* Schedule for addition */ - while (!list_empty(&list_head)) { - bfa_q_deq(&list_head, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - - skip = 0; - - /* Skip if already added */ - list_for_each(qe, &rxf->mcast_active_q) { - mac1 = (struct bna_mac *)qe; - if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) { - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, - mac); - skip = 1; - break; - } - } - - if (skip) - continue; - - /* Skip if pending addition */ - list_for_each(qe, &rxf->mcast_pending_add_q) { - mac1 = (struct bna_mac *)qe; - if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) { - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, - mac); - skip = 1; - break; - } - } - - if (skip) - continue; - - need_hw_config = 1; - list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); - } - - /** - * Delete the entries that are in the pending_add_q but not - * in the new list - */ - while (!list_empty(&rxf->mcast_pending_add_q)) { - bfa_q_deq(&rxf->mcast_pending_add_q, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) { - if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) { - delete = 0; - break; - } - mcaddr += ETH_ALEN; - } - if (delete) - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - else - list_add_tail(&mac->qe, &list_head); - } - while (!list_empty(&list_head)) { - bfa_q_deq(&list_head, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); - } - - /** - * Schedule entries for deletion that are in the active_q but not - * in the new list - */ - while (!list_empty(&rxf->mcast_active_q)) { - bfa_q_deq(&rxf->mcast_active_q, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) { - if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) { - delete = 0; - break; - } - mcaddr += ETH_ALEN; - } - if (delete) { - list_add_tail(&mac->qe, &rxf->mcast_pending_del_q); - need_hw_config = 1; - } else { - list_add_tail(&mac->qe, &list_head); - } - } - while (!list_empty(&list_head)) { - bfa_q_deq(&list_head, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - list_add_tail(&mac->qe, &rxf->mcast_active_q); - } - - if (need_hw_config) { - rxf->cam_fltr_cbfn = cbfn; - rxf->cam_fltr_cbarg = rx->bna->bnad; - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - } else if (cbfn) - (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); - - return BNA_CB_SUCCESS; - -err_return: - while (!list_empty(&list_head)) { - bfa_q_deq(&list_head, &qe); - mac = (struct bna_mac *)qe; - bfa_q_qe_init(&mac->qe); - bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); - } - - return BNA_CB_MCAST_LIST_FULL; -} - -void -bna_rx_vlan_add(struct bna_rx *rx, int vlan_id) -{ - struct bna_rxf *rxf = &rx->rxf; - int index = (vlan_id >> 5); - int bit = (1 << (vlan_id & 0x1F)); - - rxf->vlan_filter_table[index] |= bit; - if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { - rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - } -} - -void -bna_rx_vlan_del(struct bna_rx *rx, int vlan_id) -{ - struct bna_rxf *rxf = &rx->rxf; - int index = (vlan_id >> 5); - int bit = (1 << (vlan_id & 0x1F)); - - rxf->vlan_filter_table[index] &= ~bit; - if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { - rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; - bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); - } -} - -/** - * RX - */ -#define RXQ_RCB_INIT(q, rxp, qdepth, bna, _id, unmapq_mem) do { \ - struct bna_doorbell_qset *_qset; \ - unsigned long off; \ - (q)->rcb->producer_index = (q)->rcb->consumer_index = 0; \ - (q)->rcb->q_depth = (qdepth); \ - (q)->rcb->unmap_q = unmapq_mem; \ - (q)->rcb->rxq = (q); \ - (q)->rcb->cq = &(rxp)->cq; \ - (q)->rcb->bnad = (bna)->bnad; \ - _qset = (struct bna_doorbell_qset *)0; \ - off = (unsigned long)&_qset[(q)->rxq_id].rxq[0]; \ - (q)->rcb->q_dbell = off + \ - BNA_GET_DOORBELL_BASE_ADDR((bna)->pcidev.pci_bar_kva); \ - (q)->rcb->id = _id; \ -} while (0) - -#define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \ - (qcfg)->num_paths : ((qcfg)->num_paths * 2)) - -#define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\ - (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT)) - -#define call_rx_stop_callback(rx, status) \ - if ((rx)->stop_cbfn) { \ - (*(rx)->stop_cbfn)((rx)->stop_cbarg, rx, (status)); \ - (rx)->stop_cbfn = NULL; \ - (rx)->stop_cbarg = NULL; \ - } - -/* - * Since rx_enable is synchronous callback, there is no start_cbfn required. - * Instead, we'll call bnad_rx_post(rxp) so that bnad can post the buffers - * for each rxpath. - */ - -#define call_rx_disable_cbfn(rx, status) \ - if ((rx)->disable_cbfn) { \ - (*(rx)->disable_cbfn)((rx)->disable_cbarg, \ - status); \ - (rx)->disable_cbfn = NULL; \ - (rx)->disable_cbarg = NULL; \ - } \ - -#define rxqs_reqd(type, num_rxqs) \ - (((type) == BNA_RXP_SINGLE) ? (num_rxqs) : ((num_rxqs) * 2)) - -#define rx_ib_fail(rx) \ -do { \ - struct bna_rxp *rxp; \ - struct list_head *qe; \ - list_for_each(qe, &(rx)->rxp_q) { \ - rxp = (struct bna_rxp *)qe; \ - bna_ib_fail(rxp->cq.ib); \ - } \ -} while (0) - -static void __bna_multi_rxq_stop(struct bna_rxp *, u32 *); -static void __bna_rxq_start(struct bna_rxq *rxq); -static void __bna_cq_start(struct bna_cq *cq); -static void bna_rit_create(struct bna_rx *rx); -static void bna_rx_cb_multi_rxq_stopped(void *arg, int status); -static void bna_rx_cb_rxq_stopped_all(void *arg); - -bfa_fsm_state_decl(bna_rx, stopped, - struct bna_rx, enum bna_rx_event); -bfa_fsm_state_decl(bna_rx, rxf_start_wait, - struct bna_rx, enum bna_rx_event); -bfa_fsm_state_decl(bna_rx, started, - struct bna_rx, enum bna_rx_event); -bfa_fsm_state_decl(bna_rx, rxf_stop_wait, - struct bna_rx, enum bna_rx_event); -bfa_fsm_state_decl(bna_rx, rxq_stop_wait, - struct bna_rx, enum bna_rx_event); - -static const struct bfa_sm_table rx_sm_table[] = { - {BFA_SM(bna_rx_sm_stopped), BNA_RX_STOPPED}, - {BFA_SM(bna_rx_sm_rxf_start_wait), BNA_RX_RXF_START_WAIT}, - {BFA_SM(bna_rx_sm_started), BNA_RX_STARTED}, - {BFA_SM(bna_rx_sm_rxf_stop_wait), BNA_RX_RXF_STOP_WAIT}, - {BFA_SM(bna_rx_sm_rxq_stop_wait), BNA_RX_RXQ_STOP_WAIT}, -}; - -static void bna_rx_sm_stopped_entry(struct bna_rx *rx) -{ - struct bna_rxp *rxp; - struct list_head *qe_rxp; - - list_for_each(qe_rxp, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe_rxp; - rx->rx_cleanup_cbfn(rx->bna->bnad, rxp->cq.ccb); - } - - call_rx_stop_callback(rx, BNA_CB_SUCCESS); -} - -static void bna_rx_sm_stopped(struct bna_rx *rx, - enum bna_rx_event event) -{ - switch (event) { - case RX_E_START: - bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait); - break; - case RX_E_STOP: - call_rx_stop_callback(rx, BNA_CB_SUCCESS); - break; - case RX_E_FAIL: - /* no-op */ - break; - default: - bfa_sm_fault(event); - break; - } - -} - -static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx) -{ - struct bna_rxp *rxp; - struct list_head *qe_rxp; - struct bna_rxq *q0 = NULL, *q1 = NULL; - - /* Setup the RIT */ - bna_rit_create(rx); - - list_for_each(qe_rxp, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe_rxp; - bna_ib_start(rxp->cq.ib); - GET_RXQS(rxp, q0, q1); - q0->buffer_size = bna_port_mtu_get(&rx->bna->port); - __bna_rxq_start(q0); - rx->rx_post_cbfn(rx->bna->bnad, q0->rcb); - if (q1) { - __bna_rxq_start(q1); - rx->rx_post_cbfn(rx->bna->bnad, q1->rcb); - } - __bna_cq_start(&rxp->cq); - } - - bna_rxf_start(&rx->rxf); -} - -static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx, - enum bna_rx_event event) -{ - switch (event) { - case RX_E_STOP: - bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); - break; - case RX_E_FAIL: - bfa_fsm_set_state(rx, bna_rx_sm_stopped); - rx_ib_fail(rx); - bna_rxf_fail(&rx->rxf); - break; - case RX_E_RXF_STARTED: - bfa_fsm_set_state(rx, bna_rx_sm_started); - break; - default: - bfa_sm_fault(event); - break; - } -} - -void -bna_rx_sm_started_entry(struct bna_rx *rx) -{ - struct bna_rxp *rxp; - struct list_head *qe_rxp; - - /* Start IB */ - list_for_each(qe_rxp, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe_rxp; - bna_ib_ack(&rxp->cq.ib->door_bell, 0); - } - - bna_llport_rx_started(&rx->bna->port.llport); -} - -void -bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event) -{ - switch (event) { - case RX_E_FAIL: - bna_llport_rx_stopped(&rx->bna->port.llport); - bfa_fsm_set_state(rx, bna_rx_sm_stopped); - rx_ib_fail(rx); - bna_rxf_fail(&rx->rxf); - break; - case RX_E_STOP: - bna_llport_rx_stopped(&rx->bna->port.llport); - bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); - break; - default: - bfa_sm_fault(event); - break; - } -} - -void -bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx) -{ - bna_rxf_stop(&rx->rxf); -} - -void -bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event) -{ - switch (event) { - case RX_E_RXF_STOPPED: - bfa_fsm_set_state(rx, bna_rx_sm_rxq_stop_wait); - break; - case RX_E_RXF_STARTED: - /** - * RxF was in the process of starting up when - * RXF_E_STOP was issued. Ignore this event - */ - break; - case RX_E_FAIL: - bfa_fsm_set_state(rx, bna_rx_sm_stopped); - rx_ib_fail(rx); - bna_rxf_fail(&rx->rxf); - break; - default: - bfa_sm_fault(event); - break; - } - -} - -void -bna_rx_sm_rxq_stop_wait_entry(struct bna_rx *rx) -{ - struct bna_rxp *rxp = NULL; - struct bna_rxq *q0 = NULL; - struct bna_rxq *q1 = NULL; - struct list_head *qe; - u32 rxq_mask[2] = {0, 0}; - - /* Only one call to multi-rxq-stop for all RXPs in this RX */ - bfa_wc_up(&rx->rxq_stop_wc); - list_for_each(qe, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe; - GET_RXQS(rxp, q0, q1); - if (q0->rxq_id < 32) - rxq_mask[0] |= ((u32)1 << q0->rxq_id); - else - rxq_mask[1] |= ((u32)1 << (q0->rxq_id - 32)); - if (q1) { - if (q1->rxq_id < 32) - rxq_mask[0] |= ((u32)1 << q1->rxq_id); - else - rxq_mask[1] |= ((u32) - 1 << (q1->rxq_id - 32)); - } - } - - __bna_multi_rxq_stop(rxp, rxq_mask); -} - -void -bna_rx_sm_rxq_stop_wait(struct bna_rx *rx, enum bna_rx_event event) -{ - struct bna_rxp *rxp = NULL; - struct list_head *qe; - - switch (event) { - case RX_E_RXQ_STOPPED: - list_for_each(qe, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe; - bna_ib_stop(rxp->cq.ib); - } - /* Fall through */ - case RX_E_FAIL: - bfa_fsm_set_state(rx, bna_rx_sm_stopped); - break; - default: - bfa_sm_fault(event); - break; - } -} - -void -__bna_multi_rxq_stop(struct bna_rxp *rxp, u32 * rxq_id_mask) -{ - struct bfi_ll_q_stop_req ll_req; - - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RXQ_STOP_REQ, 0); - ll_req.q_id_mask[0] = htonl(rxq_id_mask[0]); - ll_req.q_id_mask[1] = htonl(rxq_id_mask[1]); - bna_mbox_qe_fill(&rxp->mbox_qe, &ll_req, sizeof(ll_req), - bna_rx_cb_multi_rxq_stopped, rxp); - bna_mbox_send(rxp->rx->bna, &rxp->mbox_qe); -} - -void -__bna_rxq_start(struct bna_rxq *rxq) -{ - struct bna_rxtx_q_mem *q_mem; - struct bna_rxq_mem rxq_cfg, *rxq_mem; - struct bna_dma_addr cur_q_addr; - /* struct bna_doorbell_qset *qset; */ - struct bna_qpt *qpt; - u32 pg_num; - struct bna *bna = rxq->rx->bna; - void __iomem *base_addr; - unsigned long off; - - qpt = &rxq->qpt; - cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr)); - - rxq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb; - rxq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb; - rxq_cfg.cur_q_entry_lo = cur_q_addr.lsb; - rxq_cfg.cur_q_entry_hi = cur_q_addr.msb; - - rxq_cfg.pg_cnt_n_prd_ptr = ((u32)qpt->page_count << 16) | 0x0; - rxq_cfg.entry_n_pg_size = ((u32)(BFI_RXQ_WI_SIZE >> 2) << 16) | - (qpt->page_size >> 2); - rxq_cfg.sg_n_cq_n_cns_ptr = - ((u32)(rxq->rxp->cq.cq_id & 0xff) << 16) | 0x0; - rxq_cfg.buf_sz_n_q_state = ((u32)rxq->buffer_size << 16) | - BNA_Q_IDLE_STATE; - rxq_cfg.next_qid = 0x0 | (0x3 << 8); - - /* Write the page number register */ - pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num, - HQM_RXTX_Q_RAM_BASE_OFFSET); - writel(pg_num, bna->regs.page_addr); - - /* Write to h/w */ - base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, - HQM_RXTX_Q_RAM_BASE_OFFSET); - - q_mem = (struct bna_rxtx_q_mem *)0; - rxq_mem = &q_mem[rxq->rxq_id].rxq; - - off = (unsigned long)&rxq_mem->pg_tbl_addr_lo; - writel(htonl(rxq_cfg.pg_tbl_addr_lo), base_addr + off); - - off = (unsigned long)&rxq_mem->pg_tbl_addr_hi; - writel(htonl(rxq_cfg.pg_tbl_addr_hi), base_addr + off); - - off = (unsigned long)&rxq_mem->cur_q_entry_lo; - writel(htonl(rxq_cfg.cur_q_entry_lo), base_addr + off); - - off = (unsigned long)&rxq_mem->cur_q_entry_hi; - writel(htonl(rxq_cfg.cur_q_entry_hi), base_addr + off); - - off = (unsigned long)&rxq_mem->pg_cnt_n_prd_ptr; - writel(rxq_cfg.pg_cnt_n_prd_ptr, base_addr + off); - - off = (unsigned long)&rxq_mem->entry_n_pg_size; - writel(rxq_cfg.entry_n_pg_size, base_addr + off); - - off = (unsigned long)&rxq_mem->sg_n_cq_n_cns_ptr; - writel(rxq_cfg.sg_n_cq_n_cns_ptr, base_addr + off); - - off = (unsigned long)&rxq_mem->buf_sz_n_q_state; - writel(rxq_cfg.buf_sz_n_q_state, base_addr + off); - - off = (unsigned long)&rxq_mem->next_qid; - writel(rxq_cfg.next_qid, base_addr + off); - - rxq->rcb->producer_index = 0; - rxq->rcb->consumer_index = 0; -} - -void -__bna_cq_start(struct bna_cq *cq) -{ - struct bna_cq_mem cq_cfg, *cq_mem; - const struct bna_qpt *qpt; - struct bna_dma_addr cur_q_addr; - u32 pg_num; - struct bna *bna = cq->rx->bna; - void __iomem *base_addr; - unsigned long off; - - qpt = &cq->qpt; - cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr)); - - /* - * Fill out structure, to be subsequently written - * to hardware - */ - cq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb; - cq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb; - cq_cfg.cur_q_entry_lo = cur_q_addr.lsb; - cq_cfg.cur_q_entry_hi = cur_q_addr.msb; - - cq_cfg.pg_cnt_n_prd_ptr = (qpt->page_count << 16) | 0x0; - cq_cfg.entry_n_pg_size = - ((u32)(BFI_CQ_WI_SIZE >> 2) << 16) | (qpt->page_size >> 2); - cq_cfg.int_blk_n_cns_ptr = ((((u32)cq->ib_seg_offset) << 24) | - ((u32)(cq->ib->ib_id & 0xff) << 16) | 0x0); - cq_cfg.q_state = BNA_Q_IDLE_STATE; - - /* Write the page number register */ - pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num, - HQM_CQ_RAM_BASE_OFFSET); - - writel(pg_num, bna->regs.page_addr); - - /* H/W write */ - base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, - HQM_CQ_RAM_BASE_OFFSET); - - cq_mem = (struct bna_cq_mem *)0; - - off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_lo; - writel(htonl(cq_cfg.pg_tbl_addr_lo), base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_hi; - writel(htonl(cq_cfg.pg_tbl_addr_hi), base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_lo; - writel(htonl(cq_cfg.cur_q_entry_lo), base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_hi; - writel(htonl(cq_cfg.cur_q_entry_hi), base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].pg_cnt_n_prd_ptr; - writel(cq_cfg.pg_cnt_n_prd_ptr, base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].entry_n_pg_size; - writel(cq_cfg.entry_n_pg_size, base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].int_blk_n_cns_ptr; - writel(cq_cfg.int_blk_n_cns_ptr, base_addr + off); - - off = (unsigned long)&cq_mem[cq->cq_id].q_state; - writel(cq_cfg.q_state, base_addr + off); - - cq->ccb->producer_index = 0; - *(cq->ccb->hw_producer_index) = 0; -} - -void -bna_rit_create(struct bna_rx *rx) -{ - struct list_head *qe_rxp; - struct bna_rxp *rxp; - struct bna_rxq *q0 = NULL; - struct bna_rxq *q1 = NULL; - int offset; - - offset = 0; - list_for_each(qe_rxp, &rx->rxp_q) { - rxp = (struct bna_rxp *)qe_rxp; - GET_RXQS(rxp, q0, q1); - rx->rxf.rit_segment->rit[offset].large_rxq_id = q0->rxq_id; - rx->rxf.rit_segment->rit[offset].small_rxq_id = - (q1 ? q1->rxq_id : 0); - offset++; - } -} - -static int -_rx_can_satisfy(struct bna_rx_mod *rx_mod, - struct bna_rx_config *rx_cfg) -{ - if ((rx_mod->rx_free_count == 0) || - (rx_mod->rxp_free_count == 0) || - (rx_mod->rxq_free_count == 0)) - return 0; - - if (rx_cfg->rxp_type == BNA_RXP_SINGLE) { - if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || - (rx_mod->rxq_free_count < rx_cfg->num_paths)) - return 0; - } else { - if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || - (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths))) - return 0; - } - - if (!bna_rit_mod_can_satisfy(&rx_mod->bna->rit_mod, rx_cfg->num_paths)) - return 0; - - return 1; -} - -static struct bna_rxq * -_get_free_rxq(struct bna_rx_mod *rx_mod) -{ - struct bna_rxq *rxq = NULL; - struct list_head *qe = NULL; - - bfa_q_deq(&rx_mod->rxq_free_q, &qe); - if (qe) { - rx_mod->rxq_free_count--; - rxq = (struct bna_rxq *)qe; - } - return rxq; -} - -static void -_put_free_rxq(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq) -{ - bfa_q_qe_init(&rxq->qe); - list_add_tail(&rxq->qe, &rx_mod->rxq_free_q); - rx_mod->rxq_free_count++; -} - -static struct bna_rxp * -_get_free_rxp(struct bna_rx_mod *rx_mod) -{ - struct list_head *qe = NULL; - struct bna_rxp *rxp = NULL; - - bfa_q_deq(&rx_mod->rxp_free_q, &qe); - if (qe) { - rx_mod->rxp_free_count--; - - rxp = (struct bna_rxp *)qe; - } - - return rxp; -} - -static void -_put_free_rxp(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp) -{ - bfa_q_qe_init(&rxp->qe); - list_add_tail(&rxp->qe, &rx_mod->rxp_free_q); - rx_mod->rxp_free_count++; -} - -static struct bna_rx * -_get_free_rx(struct bna_rx_mod *rx_mod) -{ - struct list_head *qe = NULL; - struct bna_rx *rx = NULL; - - bfa_q_deq(&rx_mod->rx_free_q, &qe); - if (qe) { - rx_mod->rx_free_count--; - - rx = (struct bna_rx *)qe; - bfa_q_qe_init(qe); - list_add_tail(&rx->qe, &rx_mod->rx_active_q); - } - - return rx; -} - -static void -_put_free_rx(struct bna_rx_mod *rx_mod, struct bna_rx *rx) -{ - bfa_q_qe_init(&rx->qe); - list_add_tail(&rx->qe, &rx_mod->rx_free_q); - rx_mod->rx_free_count++; -} - -static void -_rx_init(struct bna_rx *rx, struct bna *bna) -{ - rx->bna = bna; - rx->rx_flags = 0; - - INIT_LIST_HEAD(&rx->rxp_q); - - rx->rxq_stop_wc.wc_resume = bna_rx_cb_rxq_stopped_all; - rx->rxq_stop_wc.wc_cbarg = rx; - rx->rxq_stop_wc.wc_count = 0; - - rx->stop_cbfn = NULL; - rx->stop_cbarg = NULL; -} - -static void -_rxp_add_rxqs(struct bna_rxp *rxp, - struct bna_rxq *q0, - struct bna_rxq *q1) -{ - switch (rxp->type) { - case BNA_RXP_SINGLE: - rxp->rxq.single.only = q0; - rxp->rxq.single.reserved = NULL; - break; - case BNA_RXP_SLR: - rxp->rxq.slr.large = q0; - rxp->rxq.slr.small = q1; - break; - case BNA_RXP_HDS: - rxp->rxq.hds.data = q0; - rxp->rxq.hds.hdr = q1; - break; - default: - break; - } -} - -static void -_rxq_qpt_init(struct bna_rxq *rxq, - struct bna_rxp *rxp, - u32 page_count, - u32 page_size, - struct bna_mem_descr *qpt_mem, - struct bna_mem_descr *swqpt_mem, - struct bna_mem_descr *page_mem) -{ - int i; - - rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; - rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; - rxq->qpt.kv_qpt_ptr = qpt_mem->kva; - rxq->qpt.page_count = page_count; - rxq->qpt.page_size = page_size; - - rxq->rcb->sw_qpt = (void **) swqpt_mem->kva; - - for (i = 0; i < rxq->qpt.page_count; i++) { - rxq->rcb->sw_qpt[i] = page_mem[i].kva; - ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb = - page_mem[i].dma.lsb; - ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb = - page_mem[i].dma.msb; - - } -} - -static void -_rxp_cqpt_setup(struct bna_rxp *rxp, - u32 page_count, - u32 page_size, - struct bna_mem_descr *qpt_mem, - struct bna_mem_descr *swqpt_mem, - struct bna_mem_descr *page_mem) -{ - int i; - - rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; - rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; - rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva; - rxp->cq.qpt.page_count = page_count; - rxp->cq.qpt.page_size = page_size; - - rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva; - - for (i = 0; i < rxp->cq.qpt.page_count; i++) { - rxp->cq.ccb->sw_qpt[i] = page_mem[i].kva; - - ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb = - page_mem[i].dma.lsb; - ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb = - page_mem[i].dma.msb; - - } -} - -static void -_rx_add_rxp(struct bna_rx *rx, struct bna_rxp *rxp) -{ - list_add_tail(&rxp->qe, &rx->rxp_q); -} - -static void -_init_rxmod_queues(struct bna_rx_mod *rx_mod) -{ - INIT_LIST_HEAD(&rx_mod->rx_free_q); - INIT_LIST_HEAD(&rx_mod->rxq_free_q); - INIT_LIST_HEAD(&rx_mod->rxp_free_q); - INIT_LIST_HEAD(&rx_mod->rx_active_q); - - rx_mod->rx_free_count = 0; - rx_mod->rxq_free_count = 0; - rx_mod->rxp_free_count = 0; -} - -static void -_rx_ctor(struct bna_rx *rx, int id) -{ - bfa_q_qe_init(&rx->qe); - INIT_LIST_HEAD(&rx->rxp_q); - rx->bna = NULL; - - rx->rxf.rxf_id = id; - - /* FIXME: mbox_qe ctor()?? */ - bfa_q_qe_init(&rx->mbox_qe.qe); - - rx->stop_cbfn = NULL; - rx->stop_cbarg = NULL; -} - -void -bna_rx_cb_multi_rxq_stopped(void *arg, int status) -{ - struct bna_rxp *rxp = (struct bna_rxp *)arg; - - bfa_wc_down(&rxp->rx->rxq_stop_wc); -} - -void -bna_rx_cb_rxq_stopped_all(void *arg) -{ - struct bna_rx *rx = (struct bna_rx *)arg; - - bfa_fsm_send_event(rx, RX_E_RXQ_STOPPED); -} - -static void -bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx, - enum bna_cb_status status) -{ - struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; - - bfa_wc_down(&rx_mod->rx_stop_wc); -} - -static void -bna_rx_mod_cb_rx_stopped_all(void *arg) -{ - struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; - - if (rx_mod->stop_cbfn) - rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS); - rx_mod->stop_cbfn = NULL; -} - -static void -bna_rx_start(struct bna_rx *rx) -{ - rx->rx_flags |= BNA_RX_F_PORT_ENABLED; - if (rx->rx_flags & BNA_RX_F_ENABLE) - bfa_fsm_send_event(rx, RX_E_START); -} - -static void -bna_rx_stop(struct bna_rx *rx) -{ - rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED; - if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped) - bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx, BNA_CB_SUCCESS); - else { - rx->stop_cbfn = bna_rx_mod_cb_rx_stopped; - rx->stop_cbarg = &rx->bna->rx_mod; - bfa_fsm_send_event(rx, RX_E_STOP); - } -} - -static void -bna_rx_fail(struct bna_rx *rx) -{ - /* Indicate port is not enabled, and failed */ - rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED; - rx->rx_flags |= BNA_RX_F_PORT_FAILED; - bfa_fsm_send_event(rx, RX_E_FAIL); -} - -void -bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type) -{ - struct bna_rx *rx; - struct list_head *qe; - - rx_mod->flags |= BNA_RX_MOD_F_PORT_STARTED; - if (type == BNA_RX_T_LOOPBACK) - rx_mod->flags |= BNA_RX_MOD_F_PORT_LOOPBACK; - - list_for_each(qe, &rx_mod->rx_active_q) { - rx = (struct bna_rx *)qe; - if (rx->type == type) - bna_rx_start(rx); - } -} - -void -bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type) -{ - struct bna_rx *rx; - struct list_head *qe; - - rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED; - rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK; - - rx_mod->stop_cbfn = bna_port_cb_rx_stopped; - - /** - * Before calling bna_rx_stop(), increment rx_stop_wc as many times - * as we are going to call bna_rx_stop - */ - list_for_each(qe, &rx_mod->rx_active_q) { - rx = (struct bna_rx *)qe; - if (rx->type == type) - bfa_wc_up(&rx_mod->rx_stop_wc); - } - - if (rx_mod->rx_stop_wc.wc_count == 0) { - rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS); - rx_mod->stop_cbfn = NULL; - return; - } - - list_for_each(qe, &rx_mod->rx_active_q) { - rx = (struct bna_rx *)qe; - if (rx->type == type) - bna_rx_stop(rx); - } -} - -void -bna_rx_mod_fail(struct bna_rx_mod *rx_mod) -{ - struct bna_rx *rx; - struct list_head *qe; - - rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED; - rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK; - - list_for_each(qe, &rx_mod->rx_active_q) { - rx = (struct bna_rx *)qe; - bna_rx_fail(rx); - } -} - -void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna, - struct bna_res_info *res_info) -{ - int index; - struct bna_rx *rx_ptr; - struct bna_rxp *rxp_ptr; - struct bna_rxq *rxq_ptr; - - rx_mod->bna = bna; - rx_mod->flags = 0; - - rx_mod->rx = (struct bna_rx *) - res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva; - rx_mod->rxp = (struct bna_rxp *) - res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva; - rx_mod->rxq = (struct bna_rxq *) - res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva; - - /* Initialize the queues */ - _init_rxmod_queues(rx_mod); - - /* Build RX queues */ - for (index = 0; index < BFI_MAX_RXQ; index++) { - rx_ptr = &rx_mod->rx[index]; - _rx_ctor(rx_ptr, index); - list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q); - rx_mod->rx_free_count++; - } - - /* build RX-path queue */ - for (index = 0; index < BFI_MAX_RXQ; index++) { - rxp_ptr = &rx_mod->rxp[index]; - rxp_ptr->cq.cq_id = index; - bfa_q_qe_init(&rxp_ptr->qe); - list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q); - rx_mod->rxp_free_count++; - } - - /* build RXQ queue */ - for (index = 0; index < BFI_MAX_RXQ; index++) { - rxq_ptr = &rx_mod->rxq[index]; - rxq_ptr->rxq_id = index; - - bfa_q_qe_init(&rxq_ptr->qe); - list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q); - rx_mod->rxq_free_count++; - } - - rx_mod->rx_stop_wc.wc_resume = bna_rx_mod_cb_rx_stopped_all; - rx_mod->rx_stop_wc.wc_cbarg = rx_mod; - rx_mod->rx_stop_wc.wc_count = 0; -} - -void -bna_rx_mod_uninit(struct bna_rx_mod *rx_mod) -{ - struct list_head *qe; - int i; - - i = 0; - list_for_each(qe, &rx_mod->rx_free_q) - i++; - - i = 0; - list_for_each(qe, &rx_mod->rxp_free_q) - i++; - - i = 0; - list_for_each(qe, &rx_mod->rxq_free_q) - i++; - - rx_mod->bna = NULL; -} - -int -bna_rx_state_get(struct bna_rx *rx) -{ - return bfa_sm_to_state(rx_sm_table, rx->fsm); -} - -void -bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info) -{ - u32 cq_size, hq_size, dq_size; - u32 cpage_count, hpage_count, dpage_count; - struct bna_mem_info *mem_info; - u32 cq_depth; - u32 hq_depth; - u32 dq_depth; - - dq_depth = q_cfg->q_depth; - hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth); - cq_depth = dq_depth + hq_depth; - - BNA_TO_POWER_OF_2_HIGH(cq_depth); - cq_size = cq_depth * BFI_CQ_WI_SIZE; - cq_size = ALIGN(cq_size, PAGE_SIZE); - cpage_count = SIZE_TO_PAGES(cq_size); - - BNA_TO_POWER_OF_2_HIGH(dq_depth); - dq_size = dq_depth * BFI_RXQ_WI_SIZE; - dq_size = ALIGN(dq_size, PAGE_SIZE); - dpage_count = SIZE_TO_PAGES(dq_size); - - if (BNA_RXP_SINGLE != q_cfg->rxp_type) { - BNA_TO_POWER_OF_2_HIGH(hq_depth); - hq_size = hq_depth * BFI_RXQ_WI_SIZE; - hq_size = ALIGN(hq_size, PAGE_SIZE); - hpage_count = SIZE_TO_PAGES(hq_size); - } else { - hpage_count = 0; - } - - /* CCB structures */ - res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = sizeof(struct bna_ccb); - mem_info->num = q_cfg->num_paths; - - /* RCB structures */ - res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = sizeof(struct bna_rcb); - mem_info->num = BNA_GET_RXQS(q_cfg); - - /* Completion QPT */ - res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = cpage_count * sizeof(struct bna_dma_addr); - mem_info->num = q_cfg->num_paths; - - /* Completion s/w QPT */ - res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = cpage_count * sizeof(void *); - mem_info->num = q_cfg->num_paths; - - /* Completion QPT pages */ - res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = PAGE_SIZE; - mem_info->num = cpage_count * q_cfg->num_paths; - - /* Data QPTs */ - res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = dpage_count * sizeof(struct bna_dma_addr); - mem_info->num = q_cfg->num_paths; - - /* Data s/w QPTs */ - res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = dpage_count * sizeof(void *); - mem_info->num = q_cfg->num_paths; - - /* Data QPT pages */ - res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = PAGE_SIZE; - mem_info->num = dpage_count * q_cfg->num_paths; - - /* Hdr QPTs */ - res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = hpage_count * sizeof(struct bna_dma_addr); - mem_info->num = (hpage_count ? q_cfg->num_paths : 0); - - /* Hdr s/w QPTs */ - res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = hpage_count * sizeof(void *); - mem_info->num = (hpage_count ? q_cfg->num_paths : 0); - - /* Hdr QPT pages */ - res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = (hpage_count ? PAGE_SIZE : 0); - mem_info->num = (hpage_count ? (hpage_count * q_cfg->num_paths) : 0); - - /* RX Interrupts */ - res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR; - res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX; - res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths; -} - -struct bna_rx * -bna_rx_create(struct bna *bna, struct bnad *bnad, - struct bna_rx_config *rx_cfg, - struct bna_rx_event_cbfn *rx_cbfn, - struct bna_res_info *res_info, - void *priv) -{ - struct bna_rx_mod *rx_mod = &bna->rx_mod; - struct bna_rx *rx; - struct bna_rxp *rxp; - struct bna_rxq *q0; - struct bna_rxq *q1; - struct bna_intr_info *intr_info; - u32 page_count; - struct bna_mem_descr *ccb_mem; - struct bna_mem_descr *rcb_mem; - struct bna_mem_descr *unmapq_mem; - struct bna_mem_descr *cqpt_mem; - struct bna_mem_descr *cswqpt_mem; - struct bna_mem_descr *cpage_mem; - struct bna_mem_descr *hqpt_mem; /* Header/Small Q qpt */ - struct bna_mem_descr *dqpt_mem; /* Data/Large Q qpt */ - struct bna_mem_descr *hsqpt_mem; /* s/w qpt for hdr */ - struct bna_mem_descr *dsqpt_mem; /* s/w qpt for data */ - struct bna_mem_descr *hpage_mem; /* hdr page mem */ - struct bna_mem_descr *dpage_mem; /* data page mem */ - int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0; - int dpage_count, hpage_count, rcb_idx; - struct bna_ib_config ibcfg; - /* Fail if we don't have enough RXPs, RXQs */ - if (!_rx_can_satisfy(rx_mod, rx_cfg)) - return NULL; - - /* Initialize resource pointers */ - intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info; - ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0]; - rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0]; - unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[0]; - cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0]; - cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0]; - cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0]; - hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0]; - dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0]; - hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0]; - dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0]; - hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0]; - dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0]; - - /* Compute q depth & page count */ - page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.num / - rx_cfg->num_paths; - - dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num / - rx_cfg->num_paths; - - hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num / - rx_cfg->num_paths; - /* Get RX pointer */ - rx = _get_free_rx(rx_mod); - _rx_init(rx, bna); - rx->priv = priv; - rx->type = rx_cfg->rx_type; - - rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn; - rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn; - rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn; - rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn; - /* Following callbacks are mandatory */ - rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn; - rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn; - - if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_STARTED) { - switch (rx->type) { - case BNA_RX_T_REGULAR: - if (!(rx->bna->rx_mod.flags & - BNA_RX_MOD_F_PORT_LOOPBACK)) - rx->rx_flags |= BNA_RX_F_PORT_ENABLED; - break; - case BNA_RX_T_LOOPBACK: - if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_LOOPBACK) - rx->rx_flags |= BNA_RX_F_PORT_ENABLED; - break; - } - } - - for (i = 0, rcb_idx = 0; i < rx_cfg->num_paths; i++) { - rxp = _get_free_rxp(rx_mod); - rxp->type = rx_cfg->rxp_type; - rxp->rx = rx; - rxp->cq.rx = rx; - - /* Get required RXQs, and queue them to rx-path */ - q0 = _get_free_rxq(rx_mod); - if (BNA_RXP_SINGLE == rx_cfg->rxp_type) - q1 = NULL; - else - q1 = _get_free_rxq(rx_mod); - - /* Initialize IB */ - if (1 == intr_info->num) { - rxp->cq.ib = bna_ib_get(&bna->ib_mod, - intr_info->intr_type, - intr_info->idl[0].vector); - rxp->vector = intr_info->idl[0].vector; - } else { - rxp->cq.ib = bna_ib_get(&bna->ib_mod, - intr_info->intr_type, - intr_info->idl[i].vector); - - /* Map the MSI-x vector used for this RXP */ - rxp->vector = intr_info->idl[i].vector; - } - - rxp->cq.ib_seg_offset = bna_ib_reserve_idx(rxp->cq.ib); - - ibcfg.coalescing_timeo = BFI_RX_COALESCING_TIMEO; - ibcfg.interpkt_count = BFI_RX_INTERPKT_COUNT; - ibcfg.interpkt_timeo = BFI_RX_INTERPKT_TIMEO; - ibcfg.ctrl_flags = BFI_IB_CF_INT_ENABLE; - - bna_ib_config(rxp->cq.ib, &ibcfg); - - /* Link rxqs to rxp */ - _rxp_add_rxqs(rxp, q0, q1); - - /* Link rxp to rx */ - _rx_add_rxp(rx, rxp); - - q0->rx = rx; - q0->rxp = rxp; - - /* Initialize RCB for the large / data q */ - q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; - RXQ_RCB_INIT(q0, rxp, rx_cfg->q_depth, bna, 0, - (void *)unmapq_mem[rcb_idx].kva); - rcb_idx++; - (q0)->rx_packets = (q0)->rx_bytes = 0; - (q0)->rx_packets_with_error = (q0)->rxbuf_alloc_failed = 0; - - /* Initialize RXQs */ - _rxq_qpt_init(q0, rxp, dpage_count, PAGE_SIZE, - &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]); - q0->rcb->page_idx = dpage_idx; - q0->rcb->page_count = dpage_count; - dpage_idx += dpage_count; - - /* Call bnad to complete rcb setup */ - if (rx->rcb_setup_cbfn) - rx->rcb_setup_cbfn(bnad, q0->rcb); - - if (q1) { - q1->rx = rx; - q1->rxp = rxp; - - q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; - RXQ_RCB_INIT(q1, rxp, rx_cfg->q_depth, bna, 1, - (void *)unmapq_mem[rcb_idx].kva); - rcb_idx++; - (q1)->buffer_size = (rx_cfg)->small_buff_size; - (q1)->rx_packets = (q1)->rx_bytes = 0; - (q1)->rx_packets_with_error = - (q1)->rxbuf_alloc_failed = 0; - - _rxq_qpt_init(q1, rxp, hpage_count, PAGE_SIZE, - &hqpt_mem[i], &hsqpt_mem[i], - &hpage_mem[hpage_idx]); - q1->rcb->page_idx = hpage_idx; - q1->rcb->page_count = hpage_count; - hpage_idx += hpage_count; - - /* Call bnad to complete rcb setup */ - if (rx->rcb_setup_cbfn) - rx->rcb_setup_cbfn(bnad, q1->rcb); - } - /* Setup RXP::CQ */ - rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva; - _rxp_cqpt_setup(rxp, page_count, PAGE_SIZE, - &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[cpage_idx]); - rxp->cq.ccb->page_idx = cpage_idx; - rxp->cq.ccb->page_count = page_count; - cpage_idx += page_count; - - rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0; - rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0; - - rxp->cq.ccb->producer_index = 0; - rxp->cq.ccb->q_depth = rx_cfg->q_depth + - ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ? - 0 : rx_cfg->q_depth); - rxp->cq.ccb->i_dbell = &rxp->cq.ib->door_bell; - rxp->cq.ccb->rcb[0] = q0->rcb; - if (q1) - rxp->cq.ccb->rcb[1] = q1->rcb; - rxp->cq.ccb->cq = &rxp->cq; - rxp->cq.ccb->bnad = bna->bnad; - rxp->cq.ccb->hw_producer_index = - ((volatile u32 *)rxp->cq.ib->ib_seg_host_addr_kva + - (rxp->cq.ib_seg_offset * BFI_IBIDX_SIZE)); - *(rxp->cq.ccb->hw_producer_index) = 0; - rxp->cq.ccb->intr_type = intr_info->intr_type; - rxp->cq.ccb->intr_vector = (intr_info->num == 1) ? - intr_info->idl[0].vector : - intr_info->idl[i].vector; - rxp->cq.ccb->rx_coalescing_timeo = - rxp->cq.ib->ib_config.coalescing_timeo; - rxp->cq.ccb->id = i; - - /* Call bnad to complete CCB setup */ - if (rx->ccb_setup_cbfn) - rx->ccb_setup_cbfn(bnad, rxp->cq.ccb); - - } /* for each rx-path */ - - bna_rxf_init(&rx->rxf, rx, rx_cfg); - - bfa_fsm_set_state(rx, bna_rx_sm_stopped); - - return rx; -} - -void -bna_rx_destroy(struct bna_rx *rx) -{ - struct bna_rx_mod *rx_mod = &rx->bna->rx_mod; - struct bna_ib_mod *ib_mod = &rx->bna->ib_mod; - struct bna_rxq *q0 = NULL; - struct bna_rxq *q1 = NULL; - struct bna_rxp *rxp; - struct list_head *qe; - - bna_rxf_uninit(&rx->rxf); - - while (!list_empty(&rx->rxp_q)) { - bfa_q_deq(&rx->rxp_q, &rxp); - GET_RXQS(rxp, q0, q1); - /* Callback to bnad for destroying RCB */ - if (rx->rcb_destroy_cbfn) - rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb); - q0->rcb = NULL; - q0->rxp = NULL; - q0->rx = NULL; - _put_free_rxq(rx_mod, q0); - if (q1) { - /* Callback to bnad for destroying RCB */ - if (rx->rcb_destroy_cbfn) - rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb); - q1->rcb = NULL; - q1->rxp = NULL; - q1->rx = NULL; - _put_free_rxq(rx_mod, q1); - } - rxp->rxq.slr.large = NULL; - rxp->rxq.slr.small = NULL; - if (rxp->cq.ib) { - if (rxp->cq.ib_seg_offset != 0xff) - bna_ib_release_idx(rxp->cq.ib, - rxp->cq.ib_seg_offset); - bna_ib_put(ib_mod, rxp->cq.ib); - rxp->cq.ib = NULL; - } - /* Callback to bnad for destroying CCB */ - if (rx->ccb_destroy_cbfn) - rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb); - rxp->cq.ccb = NULL; - rxp->rx = NULL; - _put_free_rxp(rx_mod, rxp); - } - - list_for_each(qe, &rx_mod->rx_active_q) { - if (qe == &rx->qe) { - list_del(&rx->qe); - bfa_q_qe_init(&rx->qe); - break; - } - } - - rx->bna = NULL; - rx->priv = NULL; - _put_free_rx(rx_mod, rx); -} - -void -bna_rx_enable(struct bna_rx *rx) -{ - if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped) - return; - - rx->rx_flags |= BNA_RX_F_ENABLE; - if (rx->rx_flags & BNA_RX_F_PORT_ENABLED) - bfa_fsm_send_event(rx, RX_E_START); -} - -void -bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type, - void (*cbfn)(void *, struct bna_rx *, - enum bna_cb_status)) -{ - if (type == BNA_SOFT_CLEANUP) { - /* h/w should not be accessed. Treat we're stopped */ - (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); - } else { - rx->stop_cbfn = cbfn; - rx->stop_cbarg = rx->bna->bnad; - - rx->rx_flags &= ~BNA_RX_F_ENABLE; - - bfa_fsm_send_event(rx, RX_E_STOP); - } -} - -/** - * TX - */ -#define call_tx_stop_cbfn(tx, status)\ -do {\ - if ((tx)->stop_cbfn)\ - (tx)->stop_cbfn((tx)->stop_cbarg, (tx), status);\ - (tx)->stop_cbfn = NULL;\ - (tx)->stop_cbarg = NULL;\ -} while (0) - -#define call_tx_prio_change_cbfn(tx, status)\ -do {\ - if ((tx)->prio_change_cbfn)\ - (tx)->prio_change_cbfn((tx)->bna->bnad, (tx), status);\ - (tx)->prio_change_cbfn = NULL;\ -} while (0) - -static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx, - enum bna_cb_status status); -static void bna_tx_cb_txq_stopped(void *arg, int status); -static void bna_tx_cb_stats_cleared(void *arg, int status); -static void __bna_tx_stop(struct bna_tx *tx); -static void __bna_tx_start(struct bna_tx *tx); -static void __bna_txf_stat_clr(struct bna_tx *tx); - -enum bna_tx_event { - TX_E_START = 1, - TX_E_STOP = 2, - TX_E_FAIL = 3, - TX_E_TXQ_STOPPED = 4, - TX_E_PRIO_CHANGE = 5, - TX_E_STAT_CLEARED = 6, -}; - -enum bna_tx_state { - BNA_TX_STOPPED = 1, - BNA_TX_STARTED = 2, - BNA_TX_TXQ_STOP_WAIT = 3, - BNA_TX_PRIO_STOP_WAIT = 4, - BNA_TX_STAT_CLR_WAIT = 5, -}; - -bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, - enum bna_tx_event); -bfa_fsm_state_decl(bna_tx, started, struct bna_tx, - enum bna_tx_event); -bfa_fsm_state_decl(bna_tx, txq_stop_wait, struct bna_tx, - enum bna_tx_event); -bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx, - enum bna_tx_event); -bfa_fsm_state_decl(bna_tx, stat_clr_wait, struct bna_tx, - enum bna_tx_event); - -static struct bfa_sm_table tx_sm_table[] = { - {BFA_SM(bna_tx_sm_stopped), BNA_TX_STOPPED}, - {BFA_SM(bna_tx_sm_started), BNA_TX_STARTED}, - {BFA_SM(bna_tx_sm_txq_stop_wait), BNA_TX_TXQ_STOP_WAIT}, - {BFA_SM(bna_tx_sm_prio_stop_wait), BNA_TX_PRIO_STOP_WAIT}, - {BFA_SM(bna_tx_sm_stat_clr_wait), BNA_TX_STAT_CLR_WAIT}, -}; - -static void -bna_tx_sm_stopped_entry(struct bna_tx *tx) -{ - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb); - } - - call_tx_stop_cbfn(tx, BNA_CB_SUCCESS); -} - -static void -bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event) -{ - switch (event) { - case TX_E_START: - bfa_fsm_set_state(tx, bna_tx_sm_started); - break; - - case TX_E_STOP: - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - break; - - case TX_E_FAIL: - /* No-op */ - break; - - case TX_E_PRIO_CHANGE: - call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS); - break; - - case TX_E_TXQ_STOPPED: - /** - * This event is received due to flushing of mbox when - * device fails - */ - /* No-op */ - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_tx_sm_started_entry(struct bna_tx *tx) -{ - struct bna_txq *txq; - struct list_head *qe; - - __bna_tx_start(tx); - - /* Start IB */ - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_ack(&txq->ib->door_bell, 0); - } -} - -static void -bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event) -{ - struct bna_txq *txq; - struct list_head *qe; - - switch (event) { - case TX_E_STOP: - bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait); - __bna_tx_stop(tx); - break; - - case TX_E_FAIL: - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_fail(txq->ib); - (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb); - } - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - break; - - case TX_E_PRIO_CHANGE: - bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_tx_sm_txq_stop_wait_entry(struct bna_tx *tx) -{ -} - -static void -bna_tx_sm_txq_stop_wait(struct bna_tx *tx, enum bna_tx_event event) -{ - struct bna_txq *txq; - struct list_head *qe; - - switch (event) { - case TX_E_FAIL: - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - break; - - case TX_E_TXQ_STOPPED: - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_stop(txq->ib); - } - bfa_fsm_set_state(tx, bna_tx_sm_stat_clr_wait); - break; - - case TX_E_PRIO_CHANGE: - /* No-op */ - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx) -{ - __bna_tx_stop(tx); -} - -static void -bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event) -{ - struct bna_txq *txq; - struct list_head *qe; - - switch (event) { - case TX_E_STOP: - bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait); - break; - - case TX_E_FAIL: - call_tx_prio_change_cbfn(tx, BNA_CB_FAIL); - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - break; - - case TX_E_TXQ_STOPPED: - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_stop(txq->ib); - (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb); - } - call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS); - bfa_fsm_set_state(tx, bna_tx_sm_started); - break; - - case TX_E_PRIO_CHANGE: - /* No-op */ - break; - - default: - bfa_sm_fault(event); - } -} - -static void -bna_tx_sm_stat_clr_wait_entry(struct bna_tx *tx) -{ - __bna_txf_stat_clr(tx); -} - -static void -bna_tx_sm_stat_clr_wait(struct bna_tx *tx, enum bna_tx_event event) -{ - switch (event) { - case TX_E_FAIL: - case TX_E_STAT_CLEARED: - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - break; - - default: - bfa_sm_fault(event); - } -} - -static void -__bna_txq_start(struct bna_tx *tx, struct bna_txq *txq) -{ - struct bna_rxtx_q_mem *q_mem; - struct bna_txq_mem txq_cfg; - struct bna_txq_mem *txq_mem; - struct bna_dma_addr cur_q_addr; - u32 pg_num; - void __iomem *base_addr; - unsigned long off; - - /* Fill out structure, to be subsequently written to hardware */ - txq_cfg.pg_tbl_addr_lo = txq->qpt.hw_qpt_ptr.lsb; - txq_cfg.pg_tbl_addr_hi = txq->qpt.hw_qpt_ptr.msb; - cur_q_addr = *((struct bna_dma_addr *)(txq->qpt.kv_qpt_ptr)); - txq_cfg.cur_q_entry_lo = cur_q_addr.lsb; - txq_cfg.cur_q_entry_hi = cur_q_addr.msb; - - txq_cfg.pg_cnt_n_prd_ptr = (txq->qpt.page_count << 16) | 0x0; - - txq_cfg.entry_n_pg_size = ((u32)(BFI_TXQ_WI_SIZE >> 2) << 16) | - (txq->qpt.page_size >> 2); - txq_cfg.int_blk_n_cns_ptr = ((((u32)txq->ib_seg_offset) << 24) | - ((u32)(txq->ib->ib_id & 0xff) << 16) | 0x0); - - txq_cfg.cns_ptr2_n_q_state = BNA_Q_IDLE_STATE; - txq_cfg.nxt_qid_n_fid_n_pri = (((tx->txf.txf_id & 0x3f) << 3) | - (txq->priority & 0x7)); - txq_cfg.wvc_n_cquota_n_rquota = - ((((u32)BFI_TX_MAX_WRR_QUOTA & 0xfff) << 12) | - (BFI_TX_MAX_WRR_QUOTA & 0xfff)); - - /* Setup the page and write to H/W */ - - pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + tx->bna->port_num, - HQM_RXTX_Q_RAM_BASE_OFFSET); - writel(pg_num, tx->bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, - HQM_RXTX_Q_RAM_BASE_OFFSET); - q_mem = (struct bna_rxtx_q_mem *)0; - txq_mem = &q_mem[txq->txq_id].txq; - - /* - * The following 4 lines, is a hack b'cos the H/W needs to read - * these DMA addresses as little endian - */ - - off = (unsigned long)&txq_mem->pg_tbl_addr_lo; - writel(htonl(txq_cfg.pg_tbl_addr_lo), base_addr + off); - - off = (unsigned long)&txq_mem->pg_tbl_addr_hi; - writel(htonl(txq_cfg.pg_tbl_addr_hi), base_addr + off); - - off = (unsigned long)&txq_mem->cur_q_entry_lo; - writel(htonl(txq_cfg.cur_q_entry_lo), base_addr + off); - - off = (unsigned long)&txq_mem->cur_q_entry_hi; - writel(htonl(txq_cfg.cur_q_entry_hi), base_addr + off); - - off = (unsigned long)&txq_mem->pg_cnt_n_prd_ptr; - writel(txq_cfg.pg_cnt_n_prd_ptr, base_addr + off); - - off = (unsigned long)&txq_mem->entry_n_pg_size; - writel(txq_cfg.entry_n_pg_size, base_addr + off); - - off = (unsigned long)&txq_mem->int_blk_n_cns_ptr; - writel(txq_cfg.int_blk_n_cns_ptr, base_addr + off); - - off = (unsigned long)&txq_mem->cns_ptr2_n_q_state; - writel(txq_cfg.cns_ptr2_n_q_state, base_addr + off); - - off = (unsigned long)&txq_mem->nxt_qid_n_fid_n_pri; - writel(txq_cfg.nxt_qid_n_fid_n_pri, base_addr + off); - - off = (unsigned long)&txq_mem->wvc_n_cquota_n_rquota; - writel(txq_cfg.wvc_n_cquota_n_rquota, base_addr + off); - - txq->tcb->producer_index = 0; - txq->tcb->consumer_index = 0; - *(txq->tcb->hw_consumer_index) = 0; - -} - -static void -__bna_txq_stop(struct bna_tx *tx, struct bna_txq *txq) -{ - struct bfi_ll_q_stop_req ll_req; - u32 bit_mask[2] = {0, 0}; - if (txq->txq_id < 32) - bit_mask[0] = (u32)1 << txq->txq_id; - else - bit_mask[1] = (u32)1 << (txq->txq_id - 32); - - memset(&ll_req, 0, sizeof(ll_req)); - ll_req.mh.msg_class = BFI_MC_LL; - ll_req.mh.msg_id = BFI_LL_H2I_TXQ_STOP_REQ; - ll_req.mh.mtag.h2i.lpu_id = 0; - ll_req.q_id_mask[0] = htonl(bit_mask[0]); - ll_req.q_id_mask[1] = htonl(bit_mask[1]); - - bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req), - bna_tx_cb_txq_stopped, tx); - - bna_mbox_send(tx->bna, &tx->mbox_qe); -} - -static void -__bna_txf_start(struct bna_tx *tx) -{ - struct bna_tx_fndb_ram *tx_fndb; - struct bna_txf *txf = &tx->txf; - void __iomem *base_addr; - unsigned long off; - - writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + - (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET), - tx->bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, - TX_FNDB_RAM_BASE_OFFSET); - - tx_fndb = (struct bna_tx_fndb_ram *)0; - off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags; - - writel(((u32)txf->vlan << 16) | txf->ctrl_flags, - base_addr + off); - - if (tx->txf.txf_id < 32) - tx->bna->tx_mod.txf_bmap[0] |= ((u32)1 << tx->txf.txf_id); - else - tx->bna->tx_mod.txf_bmap[1] |= ((u32) - 1 << (tx->txf.txf_id - 32)); -} - -static void -__bna_txf_stop(struct bna_tx *tx) -{ - struct bna_tx_fndb_ram *tx_fndb; - u32 page_num; - u32 ctl_flags; - struct bna_txf *txf = &tx->txf; - void __iomem *base_addr; - unsigned long off; - - /* retrieve the running txf_flags & turn off enable bit */ - page_num = BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + - (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET); - writel(page_num, tx->bna->regs.page_addr); - - base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, - TX_FNDB_RAM_BASE_OFFSET); - tx_fndb = (struct bna_tx_fndb_ram *)0; - off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags; - - ctl_flags = readl(base_addr + off); - ctl_flags &= ~BFI_TXF_CF_ENABLE; - - writel(ctl_flags, base_addr + off); - - if (tx->txf.txf_id < 32) - tx->bna->tx_mod.txf_bmap[0] &= ~((u32)1 << tx->txf.txf_id); - else - tx->bna->tx_mod.txf_bmap[0] &= ~((u32) - 1 << (tx->txf.txf_id - 32)); -} - -static void -__bna_txf_stat_clr(struct bna_tx *tx) -{ - struct bfi_ll_stats_req ll_req; - u32 txf_bmap[2] = {0, 0}; - if (tx->txf.txf_id < 32) - txf_bmap[0] = ((u32)1 << tx->txf.txf_id); - else - txf_bmap[1] = ((u32)1 << (tx->txf.txf_id - 32)); - bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0); - ll_req.stats_mask = 0; - ll_req.rxf_id_mask[0] = 0; - ll_req.rxf_id_mask[1] = 0; - ll_req.txf_id_mask[0] = htonl(txf_bmap[0]); - ll_req.txf_id_mask[1] = htonl(txf_bmap[1]); - - bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req), - bna_tx_cb_stats_cleared, tx); - bna_mbox_send(tx->bna, &tx->mbox_qe); -} - -static void -__bna_tx_start(struct bna_tx *tx) -{ - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bna_ib_start(txq->ib); - __bna_txq_start(tx, txq); - } - - __bna_txf_start(tx); - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - txq->tcb->priority = txq->priority; - (tx->tx_resume_cbfn)(tx->bna->bnad, txq->tcb); - } -} - -static void -__bna_tx_stop(struct bna_tx *tx) -{ - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb); - } - - __bna_txf_stop(tx); - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - bfa_wc_up(&tx->txq_stop_wc); - } - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - __bna_txq_stop(tx, txq); - } -} - -static void -bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size, - struct bna_mem_descr *qpt_mem, - struct bna_mem_descr *swqpt_mem, - struct bna_mem_descr *page_mem) -{ - int i; - - txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; - txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; - txq->qpt.kv_qpt_ptr = qpt_mem->kva; - txq->qpt.page_count = page_count; - txq->qpt.page_size = page_size; - - txq->tcb->sw_qpt = (void **) swqpt_mem->kva; - - for (i = 0; i < page_count; i++) { - txq->tcb->sw_qpt[i] = page_mem[i].kva; - - ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb = - page_mem[i].dma.lsb; - ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb = - page_mem[i].dma.msb; - - } -} - -static void -bna_tx_free(struct bna_tx *tx) -{ - struct bna_tx_mod *tx_mod = &tx->bna->tx_mod; - struct bna_txq *txq; - struct bna_ib_mod *ib_mod = &tx->bna->ib_mod; - struct list_head *qe; - - while (!list_empty(&tx->txq_q)) { - bfa_q_deq(&tx->txq_q, &txq); - bfa_q_qe_init(&txq->qe); - if (txq->ib) { - if (txq->ib_seg_offset != -1) - bna_ib_release_idx(txq->ib, - txq->ib_seg_offset); - bna_ib_put(ib_mod, txq->ib); - txq->ib = NULL; - } - txq->tcb = NULL; - txq->tx = NULL; - list_add_tail(&txq->qe, &tx_mod->txq_free_q); - } - - list_for_each(qe, &tx_mod->tx_active_q) { - if (qe == &tx->qe) { - list_del(&tx->qe); - bfa_q_qe_init(&tx->qe); - break; - } - } - - tx->bna = NULL; - tx->priv = NULL; - list_add_tail(&tx->qe, &tx_mod->tx_free_q); -} - -static void -bna_tx_cb_txq_stopped(void *arg, int status) -{ - struct bna_tx *tx = (struct bna_tx *)arg; - - bfa_q_qe_init(&tx->mbox_qe.qe); - bfa_wc_down(&tx->txq_stop_wc); -} - -static void -bna_tx_cb_txq_stopped_all(void *arg) -{ - struct bna_tx *tx = (struct bna_tx *)arg; - - bfa_fsm_send_event(tx, TX_E_TXQ_STOPPED); -} - -static void -bna_tx_cb_stats_cleared(void *arg, int status) -{ - struct bna_tx *tx = (struct bna_tx *)arg; - - bfa_q_qe_init(&tx->mbox_qe.qe); - - bfa_fsm_send_event(tx, TX_E_STAT_CLEARED); -} - -static void -bna_tx_start(struct bna_tx *tx) -{ - tx->flags |= BNA_TX_F_PORT_STARTED; - if (tx->flags & BNA_TX_F_ENABLED) - bfa_fsm_send_event(tx, TX_E_START); -} - -static void -bna_tx_stop(struct bna_tx *tx) -{ - tx->stop_cbfn = bna_tx_mod_cb_tx_stopped; - tx->stop_cbarg = &tx->bna->tx_mod; - - tx->flags &= ~BNA_TX_F_PORT_STARTED; - bfa_fsm_send_event(tx, TX_E_STOP); -} - -static void -bna_tx_fail(struct bna_tx *tx) -{ - tx->flags &= ~BNA_TX_F_PORT_STARTED; - bfa_fsm_send_event(tx, TX_E_FAIL); -} - -static void -bna_tx_prio_changed(struct bna_tx *tx, int prio) -{ - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - txq->priority = prio; - } - - bfa_fsm_send_event(tx, TX_E_PRIO_CHANGE); -} - -static void -bna_tx_cee_link_status(struct bna_tx *tx, int cee_link) -{ - if (cee_link) - tx->flags |= BNA_TX_F_PRIO_LOCK; - else - tx->flags &= ~BNA_TX_F_PRIO_LOCK; -} - -static void -bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx, - enum bna_cb_status status) -{ - struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; - - bfa_wc_down(&tx_mod->tx_stop_wc); -} - -static void -bna_tx_mod_cb_tx_stopped_all(void *arg) -{ - struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; - - if (tx_mod->stop_cbfn) - tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS); - tx_mod->stop_cbfn = NULL; -} - -void -bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info) -{ - u32 q_size; - u32 page_count; - struct bna_mem_info *mem_info; - - res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = sizeof(struct bna_tcb); - mem_info->num = num_txq; - - q_size = txq_depth * BFI_TXQ_WI_SIZE; - q_size = ALIGN(q_size, PAGE_SIZE); - page_count = q_size >> PAGE_SHIFT; - - res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = page_count * sizeof(struct bna_dma_addr); - mem_info->num = num_txq; - - res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_KVA; - mem_info->len = page_count * sizeof(void *); - mem_info->num = num_txq; - - res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM; - mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info; - mem_info->mem_type = BNA_MEM_T_DMA; - mem_info->len = PAGE_SIZE; - mem_info->num = num_txq * page_count; - - res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR; - res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type = - BNA_INTR_T_MSIX; - res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq; -} - -struct bna_tx * -bna_tx_create(struct bna *bna, struct bnad *bnad, - struct bna_tx_config *tx_cfg, - struct bna_tx_event_cbfn *tx_cbfn, - struct bna_res_info *res_info, void *priv) -{ - struct bna_intr_info *intr_info; - struct bna_tx_mod *tx_mod = &bna->tx_mod; - struct bna_tx *tx; - struct bna_txq *txq; - struct list_head *qe; - struct bna_ib_mod *ib_mod = &bna->ib_mod; - struct bna_doorbell_qset *qset; - struct bna_ib_config ib_config; - int page_count; - int page_size; - int page_idx; - int i; - unsigned long off; - - intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info; - page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.num) / - tx_cfg->num_txq; - page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len; - - /** - * Get resources - */ - - if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq)) - return NULL; - - /* Tx */ - - if (list_empty(&tx_mod->tx_free_q)) - return NULL; - bfa_q_deq(&tx_mod->tx_free_q, &tx); - bfa_q_qe_init(&tx->qe); - - /* TxQs */ - - INIT_LIST_HEAD(&tx->txq_q); - for (i = 0; i < tx_cfg->num_txq; i++) { - if (list_empty(&tx_mod->txq_free_q)) - goto err_return; - - bfa_q_deq(&tx_mod->txq_free_q, &txq); - bfa_q_qe_init(&txq->qe); - list_add_tail(&txq->qe, &tx->txq_q); - txq->ib = NULL; - txq->ib_seg_offset = -1; - txq->tx = tx; - } - - /* IBs */ - i = 0; - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - - if (intr_info->num == 1) - txq->ib = bna_ib_get(ib_mod, intr_info->intr_type, - intr_info->idl[0].vector); - else - txq->ib = bna_ib_get(ib_mod, intr_info->intr_type, - intr_info->idl[i].vector); - - if (txq->ib == NULL) - goto err_return; - - txq->ib_seg_offset = bna_ib_reserve_idx(txq->ib); - if (txq->ib_seg_offset == -1) - goto err_return; - - i++; - } - - /* - * Initialize - */ - - /* Tx */ - - tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn; - tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn; - /* Following callbacks are mandatory */ - tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn; - tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn; - tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn; - - list_add_tail(&tx->qe, &tx_mod->tx_active_q); - tx->bna = bna; - tx->priv = priv; - tx->txq_stop_wc.wc_resume = bna_tx_cb_txq_stopped_all; - tx->txq_stop_wc.wc_cbarg = tx; - tx->txq_stop_wc.wc_count = 0; - - tx->type = tx_cfg->tx_type; - - tx->flags = 0; - if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_STARTED) { - switch (tx->type) { - case BNA_TX_T_REGULAR: - if (!(tx->bna->tx_mod.flags & - BNA_TX_MOD_F_PORT_LOOPBACK)) - tx->flags |= BNA_TX_F_PORT_STARTED; - break; - case BNA_TX_T_LOOPBACK: - if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_LOOPBACK) - tx->flags |= BNA_TX_F_PORT_STARTED; - break; - } - } - if (tx->bna->tx_mod.cee_link) - tx->flags |= BNA_TX_F_PRIO_LOCK; - - /* TxQ */ - - i = 0; - page_idx = 0; - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - txq->priority = tx_mod->priority; - txq->tcb = (struct bna_tcb *) - res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva; - txq->tx_packets = 0; - txq->tx_bytes = 0; - - /* IB */ - - ib_config.coalescing_timeo = BFI_TX_COALESCING_TIMEO; - ib_config.interpkt_timeo = 0; /* Not used */ - ib_config.interpkt_count = BFI_TX_INTERPKT_COUNT; - ib_config.ctrl_flags = (BFI_IB_CF_INTER_PKT_DMA | - BFI_IB_CF_INT_ENABLE | - BFI_IB_CF_COALESCING_MODE); - bna_ib_config(txq->ib, &ib_config); - - /* TCB */ - - txq->tcb->producer_index = 0; - txq->tcb->consumer_index = 0; - txq->tcb->hw_consumer_index = (volatile u32 *) - ((volatile u8 *)txq->ib->ib_seg_host_addr_kva + - (txq->ib_seg_offset * BFI_IBIDX_SIZE)); - *(txq->tcb->hw_consumer_index) = 0; - txq->tcb->q_depth = tx_cfg->txq_depth; - txq->tcb->unmap_q = (void *) - res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva; - qset = (struct bna_doorbell_qset *)0; - off = (unsigned long)&qset[txq->txq_id].txq[0]; - txq->tcb->q_dbell = off + - BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva); - txq->tcb->i_dbell = &txq->ib->door_bell; - txq->tcb->intr_type = intr_info->intr_type; - txq->tcb->intr_vector = (intr_info->num == 1) ? - intr_info->idl[0].vector : - intr_info->idl[i].vector; - txq->tcb->txq = txq; - txq->tcb->bnad = bnad; - txq->tcb->id = i; - - /* QPT, SWQPT, Pages */ - bna_txq_qpt_setup(txq, page_count, page_size, - &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i], - &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i], - &res_info[BNA_TX_RES_MEM_T_PAGE]. - res_u.mem_info.mdl[page_idx]); - txq->tcb->page_idx = page_idx; - txq->tcb->page_count = page_count; - page_idx += page_count; - - /* Callback to bnad for setting up TCB */ - if (tx->tcb_setup_cbfn) - (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb); - - i++; - } - - /* TxF */ - - tx->txf.ctrl_flags = BFI_TXF_CF_ENABLE | BFI_TXF_CF_VLAN_WI_BASED; - tx->txf.vlan = 0; - - /* Mbox element */ - bfa_q_qe_init(&tx->mbox_qe.qe); - - bfa_fsm_set_state(tx, bna_tx_sm_stopped); - - return tx; - -err_return: - bna_tx_free(tx); - return NULL; -} - -void -bna_tx_destroy(struct bna_tx *tx) -{ - /* Callback to bnad for destroying TCB */ - if (tx->tcb_destroy_cbfn) { - struct bna_txq *txq; - struct list_head *qe; - - list_for_each(qe, &tx->txq_q) { - txq = (struct bna_txq *)qe; - (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb); - } - } - - bna_tx_free(tx); -} - -void -bna_tx_enable(struct bna_tx *tx) -{ - if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped) - return; - - tx->flags |= BNA_TX_F_ENABLED; - - if (tx->flags & BNA_TX_F_PORT_STARTED) - bfa_fsm_send_event(tx, TX_E_START); -} - -void -bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, - void (*cbfn)(void *, struct bna_tx *, enum bna_cb_status)) -{ - if (type == BNA_SOFT_CLEANUP) { - (*cbfn)(tx->bna->bnad, tx, BNA_CB_SUCCESS); - return; - } - - tx->stop_cbfn = cbfn; - tx->stop_cbarg = tx->bna->bnad; - - tx->flags &= ~BNA_TX_F_ENABLED; - - bfa_fsm_send_event(tx, TX_E_STOP); -} - -int -bna_tx_state_get(struct bna_tx *tx) -{ - return bfa_sm_to_state(tx_sm_table, tx->fsm); -} - -void -bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna, - struct bna_res_info *res_info) -{ - int i; - - tx_mod->bna = bna; - tx_mod->flags = 0; - - tx_mod->tx = (struct bna_tx *) - res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva; - tx_mod->txq = (struct bna_txq *) - res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva; - - INIT_LIST_HEAD(&tx_mod->tx_free_q); - INIT_LIST_HEAD(&tx_mod->tx_active_q); - - INIT_LIST_HEAD(&tx_mod->txq_free_q); - - for (i = 0; i < BFI_MAX_TXQ; i++) { - tx_mod->tx[i].txf.txf_id = i; - bfa_q_qe_init(&tx_mod->tx[i].qe); - list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q); - - tx_mod->txq[i].txq_id = i; - bfa_q_qe_init(&tx_mod->txq[i].qe); - list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q); - } - - tx_mod->tx_stop_wc.wc_resume = bna_tx_mod_cb_tx_stopped_all; - tx_mod->tx_stop_wc.wc_cbarg = tx_mod; - tx_mod->tx_stop_wc.wc_count = 0; -} - -void -bna_tx_mod_uninit(struct bna_tx_mod *tx_mod) -{ - struct list_head *qe; - int i; - - i = 0; - list_for_each(qe, &tx_mod->tx_free_q) - i++; - - i = 0; - list_for_each(qe, &tx_mod->txq_free_q) - i++; - - tx_mod->bna = NULL; -} - -void -bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type) -{ - struct bna_tx *tx; - struct list_head *qe; - - tx_mod->flags |= BNA_TX_MOD_F_PORT_STARTED; - if (type == BNA_TX_T_LOOPBACK) - tx_mod->flags |= BNA_TX_MOD_F_PORT_LOOPBACK; - - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - if (tx->type == type) - bna_tx_start(tx); - } -} - -void -bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type) -{ - struct bna_tx *tx; - struct list_head *qe; - - tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED; - tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK; - - tx_mod->stop_cbfn = bna_port_cb_tx_stopped; - - /** - * Before calling bna_tx_stop(), increment tx_stop_wc as many times - * as we are going to call bna_tx_stop - */ - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - if (tx->type == type) - bfa_wc_up(&tx_mod->tx_stop_wc); - } - - if (tx_mod->tx_stop_wc.wc_count == 0) { - tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS); - tx_mod->stop_cbfn = NULL; - return; - } - - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - if (tx->type == type) - bna_tx_stop(tx); - } -} - -void -bna_tx_mod_fail(struct bna_tx_mod *tx_mod) -{ - struct bna_tx *tx; - struct list_head *qe; - - tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED; - tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK; - - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - bna_tx_fail(tx); - } -} - -void -bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio) -{ - struct bna_tx *tx; - struct list_head *qe; - - if (prio != tx_mod->priority) { - tx_mod->priority = prio; - - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - bna_tx_prio_changed(tx, prio); - } - } -} - -void -bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link) -{ - struct bna_tx *tx; - struct list_head *qe; - - tx_mod->cee_link = cee_link; - - list_for_each(qe, &tx_mod->tx_active_q) { - tx = (struct bna_tx *)qe; - bna_tx_cee_link_status(tx, cee_link); - } -} diff --git a/drivers/net/bna/bna_types.h b/drivers/net/bna/bna_types.h deleted file mode 100644 index 2f89cb235248..000000000000 --- a/drivers/net/bna/bna_types.h +++ /dev/null @@ -1,1127 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BNA_TYPES_H__ -#define __BNA_TYPES_H__ - -#include "cna.h" -#include "bna_hw.h" -#include "bfa_cee.h" - -/** - * - * Forward declarations - * - */ - -struct bna_txq; -struct bna_tx; -struct bna_rxq; -struct bna_cq; -struct bna_rx; -struct bna_rxf; -struct bna_port; -struct bna; -struct bnad; - -/** - * - * Enums, primitive data types - * - */ - -enum bna_status { - BNA_STATUS_T_DISABLED = 0, - BNA_STATUS_T_ENABLED = 1 -}; - -enum bna_cleanup_type { - BNA_HARD_CLEANUP = 0, - BNA_SOFT_CLEANUP = 1 -}; - -enum bna_cb_status { - BNA_CB_SUCCESS = 0, - BNA_CB_FAIL = 1, - BNA_CB_INTERRUPT = 2, - BNA_CB_BUSY = 3, - BNA_CB_INVALID_MAC = 4, - BNA_CB_MCAST_LIST_FULL = 5, - BNA_CB_UCAST_CAM_FULL = 6, - BNA_CB_WAITING = 7, - BNA_CB_NOT_EXEC = 8 -}; - -enum bna_res_type { - BNA_RES_T_MEM = 1, - BNA_RES_T_INTR = 2 -}; - -enum bna_mem_type { - BNA_MEM_T_KVA = 1, - BNA_MEM_T_DMA = 2 -}; - -enum bna_intr_type { - BNA_INTR_T_INTX = 1, - BNA_INTR_T_MSIX = 2 -}; - -enum bna_res_req_type { - BNA_RES_MEM_T_COM = 0, - BNA_RES_MEM_T_ATTR = 1, - BNA_RES_MEM_T_FWTRC = 2, - BNA_RES_MEM_T_STATS = 3, - BNA_RES_MEM_T_SWSTATS = 4, - BNA_RES_MEM_T_IBIDX = 5, - BNA_RES_MEM_T_IB_ARRAY = 6, - BNA_RES_MEM_T_INTR_ARRAY = 7, - BNA_RES_MEM_T_IDXSEG_ARRAY = 8, - BNA_RES_MEM_T_TX_ARRAY = 9, - BNA_RES_MEM_T_TXQ_ARRAY = 10, - BNA_RES_MEM_T_RX_ARRAY = 11, - BNA_RES_MEM_T_RXP_ARRAY = 12, - BNA_RES_MEM_T_RXQ_ARRAY = 13, - BNA_RES_MEM_T_UCMAC_ARRAY = 14, - BNA_RES_MEM_T_MCMAC_ARRAY = 15, - BNA_RES_MEM_T_RIT_ENTRY = 16, - BNA_RES_MEM_T_RIT_SEGMENT = 17, - BNA_RES_INTR_T_MBOX = 18, - BNA_RES_T_MAX -}; - -enum bna_tx_res_req_type { - BNA_TX_RES_MEM_T_TCB = 0, - BNA_TX_RES_MEM_T_UNMAPQ = 1, - BNA_TX_RES_MEM_T_QPT = 2, - BNA_TX_RES_MEM_T_SWQPT = 3, - BNA_TX_RES_MEM_T_PAGE = 4, - BNA_TX_RES_INTR_T_TXCMPL = 5, - BNA_TX_RES_T_MAX, -}; - -enum bna_rx_mem_type { - BNA_RX_RES_MEM_T_CCB = 0, /* CQ context */ - BNA_RX_RES_MEM_T_RCB = 1, /* CQ context */ - BNA_RX_RES_MEM_T_UNMAPQ = 2, /* UnmapQ for RxQs */ - BNA_RX_RES_MEM_T_CQPT = 3, /* CQ QPT */ - BNA_RX_RES_MEM_T_CSWQPT = 4, /* S/W QPT */ - BNA_RX_RES_MEM_T_CQPT_PAGE = 5, /* CQPT page */ - BNA_RX_RES_MEM_T_HQPT = 6, /* RX QPT */ - BNA_RX_RES_MEM_T_DQPT = 7, /* RX QPT */ - BNA_RX_RES_MEM_T_HSWQPT = 8, /* RX s/w QPT */ - BNA_RX_RES_MEM_T_DSWQPT = 9, /* RX s/w QPT */ - BNA_RX_RES_MEM_T_DPAGE = 10, /* RX s/w QPT */ - BNA_RX_RES_MEM_T_HPAGE = 11, /* RX s/w QPT */ - BNA_RX_RES_T_INTR = 12, /* Rx interrupts */ - BNA_RX_RES_T_MAX = 13 -}; - -enum bna_mbox_state { - BNA_MBOX_FREE = 0, - BNA_MBOX_POSTED = 1 -}; - -enum bna_tx_type { - BNA_TX_T_REGULAR = 0, - BNA_TX_T_LOOPBACK = 1, -}; - -enum bna_tx_flags { - BNA_TX_F_PORT_STARTED = 1, - BNA_TX_F_ENABLED = 2, - BNA_TX_F_PRIO_LOCK = 4, -}; - -enum bna_tx_mod_flags { - BNA_TX_MOD_F_PORT_STARTED = 1, - BNA_TX_MOD_F_PORT_LOOPBACK = 2, -}; - -enum bna_rx_type { - BNA_RX_T_REGULAR = 0, - BNA_RX_T_LOOPBACK = 1, -}; - -enum bna_rxp_type { - BNA_RXP_SINGLE = 1, - BNA_RXP_SLR = 2, - BNA_RXP_HDS = 3 -}; - -enum bna_rxmode { - BNA_RXMODE_PROMISC = 1, - BNA_RXMODE_ALLMULTI = 2 -}; - -enum bna_rx_event { - RX_E_START = 1, - RX_E_STOP = 2, - RX_E_FAIL = 3, - RX_E_RXF_STARTED = 4, - RX_E_RXF_STOPPED = 5, - RX_E_RXQ_STOPPED = 6, -}; - -enum bna_rx_state { - BNA_RX_STOPPED = 1, - BNA_RX_RXF_START_WAIT = 2, - BNA_RX_STARTED = 3, - BNA_RX_RXF_STOP_WAIT = 4, - BNA_RX_RXQ_STOP_WAIT = 5, -}; - -enum bna_rx_flags { - BNA_RX_F_ENABLE = 0x01, /* bnad enabled rxf */ - BNA_RX_F_PORT_ENABLED = 0x02, /* Port object is enabled */ - BNA_RX_F_PORT_FAILED = 0x04, /* Port in failed state */ -}; - -enum bna_rx_mod_flags { - BNA_RX_MOD_F_PORT_STARTED = 1, - BNA_RX_MOD_F_PORT_LOOPBACK = 2, -}; - -enum bna_rxf_oper_state { - BNA_RXF_OPER_STATE_RUNNING = 0x01, /* rxf operational */ - BNA_RXF_OPER_STATE_PAUSED = 0x02, /* rxf in PAUSED state */ -}; - -enum bna_rxf_flags { - BNA_RXF_FL_STOP_PENDING = 0x01, - BNA_RXF_FL_FAILED = 0x02, - BNA_RXF_FL_RSS_CONFIG_PENDING = 0x04, - BNA_RXF_FL_OPERSTATE_CHANGED = 0x08, - BNA_RXF_FL_RXF_ENABLED = 0x10, - BNA_RXF_FL_VLAN_CONFIG_PENDING = 0x20, -}; - -enum bna_rxf_event { - RXF_E_START = 1, - RXF_E_STOP = 2, - RXF_E_FAIL = 3, - RXF_E_CAM_FLTR_MOD = 4, - RXF_E_STARTED = 5, - RXF_E_STOPPED = 6, - RXF_E_CAM_FLTR_RESP = 7, - RXF_E_PAUSE = 8, - RXF_E_RESUME = 9, - RXF_E_STAT_CLEARED = 10, -}; - -enum bna_rxf_state { - BNA_RXF_STOPPED = 1, - BNA_RXF_START_WAIT = 2, - BNA_RXF_CAM_FLTR_MOD_WAIT = 3, - BNA_RXF_STARTED = 4, - BNA_RXF_CAM_FLTR_CLR_WAIT = 5, - BNA_RXF_STOP_WAIT = 6, - BNA_RXF_PAUSE_WAIT = 7, - BNA_RXF_RESUME_WAIT = 8, - BNA_RXF_STAT_CLR_WAIT = 9, -}; - -enum bna_port_type { - BNA_PORT_T_REGULAR = 0, - BNA_PORT_T_LOOPBACK_INTERNAL = 1, - BNA_PORT_T_LOOPBACK_EXTERNAL = 2, -}; - -enum bna_link_status { - BNA_LINK_DOWN = 0, - BNA_LINK_UP = 1, - BNA_CEE_UP = 2 -}; - -enum bna_llport_flags { - BNA_LLPORT_F_ADMIN_UP = 1, - BNA_LLPORT_F_PORT_ENABLED = 2, - BNA_LLPORT_F_RX_STARTED = 4 -}; - -enum bna_port_flags { - BNA_PORT_F_DEVICE_READY = 1, - BNA_PORT_F_ENABLED = 2, - BNA_PORT_F_PAUSE_CHANGED = 4, - BNA_PORT_F_MTU_CHANGED = 8 -}; - -enum bna_pkt_rates { - BNA_PKT_RATE_10K = 10000, - BNA_PKT_RATE_20K = 20000, - BNA_PKT_RATE_30K = 30000, - BNA_PKT_RATE_40K = 40000, - BNA_PKT_RATE_50K = 50000, - BNA_PKT_RATE_60K = 60000, - BNA_PKT_RATE_70K = 70000, - BNA_PKT_RATE_80K = 80000, -}; - -enum bna_dim_load_types { - BNA_LOAD_T_HIGH_4 = 0, /* 80K <= r */ - BNA_LOAD_T_HIGH_3 = 1, /* 60K <= r < 80K */ - BNA_LOAD_T_HIGH_2 = 2, /* 50K <= r < 60K */ - BNA_LOAD_T_HIGH_1 = 3, /* 40K <= r < 50K */ - BNA_LOAD_T_LOW_1 = 4, /* 30K <= r < 40K */ - BNA_LOAD_T_LOW_2 = 5, /* 20K <= r < 30K */ - BNA_LOAD_T_LOW_3 = 6, /* 10K <= r < 20K */ - BNA_LOAD_T_LOW_4 = 7, /* r < 10K */ - BNA_LOAD_T_MAX = 8 -}; - -enum bna_dim_bias_types { - BNA_BIAS_T_SMALL = 0, /* small pkts > (large pkts * 2) */ - BNA_BIAS_T_LARGE = 1, /* Not BNA_BIAS_T_SMALL */ - BNA_BIAS_T_MAX = 2 -}; - -struct bna_mac { - /* This should be the first one */ - struct list_head qe; - u8 addr[ETH_ALEN]; -}; - -struct bna_mem_descr { - u32 len; - void *kva; - struct bna_dma_addr dma; -}; - -struct bna_mem_info { - enum bna_mem_type mem_type; - u32 len; - u32 num; - u32 align_sz; /* 0/1 = no alignment */ - struct bna_mem_descr *mdl; - void *cookie; /* For bnad to unmap dma later */ -}; - -struct bna_intr_descr { - int vector; -}; - -struct bna_intr_info { - enum bna_intr_type intr_type; - int num; - struct bna_intr_descr *idl; -}; - -union bna_res_u { - struct bna_mem_info mem_info; - struct bna_intr_info intr_info; -}; - -struct bna_res_info { - enum bna_res_type res_type; - union bna_res_u res_u; -}; - -/* HW QPT */ -struct bna_qpt { - struct bna_dma_addr hw_qpt_ptr; - void *kv_qpt_ptr; - u32 page_count; - u32 page_size; -}; - -/** - * - * Device - * - */ - -struct bna_device { - bfa_fsm_t fsm; - struct bfa_ioc ioc; - - enum bna_intr_type intr_type; - int vector; - - void (*ready_cbfn)(struct bnad *bnad, enum bna_cb_status status); - struct bnad *ready_cbarg; - - void (*stop_cbfn)(struct bnad *bnad, enum bna_cb_status status); - struct bnad *stop_cbarg; - - struct bna *bna; -}; - -/** - * - * Mail box - * - */ - -struct bna_mbox_qe { - /* This should be the first one */ - struct list_head qe; - - struct bfa_mbox_cmd cmd; - u32 cmd_len; - /* Callback for port, tx, rx, rxf */ - void (*cbfn)(void *arg, int status); - void *cbarg; -}; - -struct bna_mbox_mod { - enum bna_mbox_state state; - struct list_head posted_q; - u32 msg_pending; - u32 msg_ctr; - struct bna *bna; -}; - -/** - * - * Port - * - */ - -/* Pause configuration */ -struct bna_pause_config { - enum bna_status tx_pause; - enum bna_status rx_pause; -}; - -struct bna_llport { - bfa_fsm_t fsm; - enum bna_llport_flags flags; - - enum bna_port_type type; - - enum bna_link_status link_status; - - int rx_started_count; - - void (*stop_cbfn)(struct bna_port *, enum bna_cb_status); - - struct bna_mbox_qe mbox_qe; - - struct bna *bna; -}; - -struct bna_port { - bfa_fsm_t fsm; - enum bna_port_flags flags; - - enum bna_port_type type; - - struct bna_llport llport; - - struct bna_pause_config pause_config; - u8 priority; - int mtu; - - /* Callback for bna_port_disable(), port_stop() */ - void (*stop_cbfn)(void *, enum bna_cb_status); - void *stop_cbarg; - - /* Callback for bna_port_pause_config() */ - void (*pause_cbfn)(struct bnad *, enum bna_cb_status); - - /* Callback for bna_port_mtu_set() */ - void (*mtu_cbfn)(struct bnad *, enum bna_cb_status); - - void (*link_cbfn)(struct bnad *, enum bna_link_status); - - struct bfa_wc chld_stop_wc; - - struct bna_mbox_qe mbox_qe; - - struct bna *bna; -}; - -/** - * - * Interrupt Block - * - */ - -/* IB index segment structure */ -struct bna_ibidx_seg { - /* This should be the first one */ - struct list_head qe; - - u8 ib_seg_size; - u8 ib_idx_tbl_offset; -}; - -/* Interrupt structure */ -struct bna_intr { - /* This should be the first one */ - struct list_head qe; - int ref_count; - - enum bna_intr_type intr_type; - int vector; - - struct bna_ib *ib; -}; - -/* Doorbell structure */ -struct bna_ib_dbell { - void *__iomem doorbell_addr; - u32 doorbell_ack; -}; - -/* Interrupt timer configuration */ -struct bna_ib_config { - u8 coalescing_timeo; /* Unit is 5usec. */ - - int interpkt_count; - int interpkt_timeo; - - enum ib_flags ctrl_flags; -}; - -/* IB structure */ -struct bna_ib { - /* This should be the first one */ - struct list_head qe; - - int ib_id; - - int ref_count; - int start_count; - - struct bna_dma_addr ib_seg_host_addr; - void *ib_seg_host_addr_kva; - u32 idx_mask; /* Size >= BNA_IBIDX_MAX_SEGSIZE */ - - struct bna_ibidx_seg *idx_seg; - - struct bna_ib_dbell door_bell; - - struct bna_intr *intr; - - struct bna_ib_config ib_config; - - struct bna *bna; -}; - -/* IB module - keeps track of IBs and interrupts */ -struct bna_ib_mod { - struct bna_ib *ib; /* BFI_MAX_IB entries */ - struct bna_intr *intr; /* BFI_MAX_IB entries */ - struct bna_ibidx_seg *idx_seg; /* BNA_IBIDX_TOTAL_SEGS */ - - struct list_head ib_free_q; - - struct list_head ibidx_seg_pool[BFI_IBIDX_TOTAL_POOLS]; - - struct list_head intr_free_q; - struct list_head intr_active_q; - - struct bna *bna; -}; - -/** - * - * Tx object - * - */ - -/* Tx datapath control structure */ -#define BNA_Q_NAME_SIZE 16 -struct bna_tcb { - /* Fast path */ - void **sw_qpt; - void *unmap_q; - u32 producer_index; - u32 consumer_index; - volatile u32 *hw_consumer_index; - u32 q_depth; - void *__iomem q_dbell; - struct bna_ib_dbell *i_dbell; - int page_idx; - int page_count; - /* Control path */ - struct bna_txq *txq; - struct bnad *bnad; - enum bna_intr_type intr_type; - int intr_vector; - u8 priority; /* Current priority */ - unsigned long flags; /* Used by bnad as required */ - int id; - char name[BNA_Q_NAME_SIZE]; -}; - -/* TxQ QPT and configuration */ -struct bna_txq { - /* This should be the first one */ - struct list_head qe; - - int txq_id; - - u8 priority; - - struct bna_qpt qpt; - struct bna_tcb *tcb; - struct bna_ib *ib; - int ib_seg_offset; - - struct bna_tx *tx; - - u64 tx_packets; - u64 tx_bytes; -}; - -/* TxF structure (hardware Tx Function) */ -struct bna_txf { - int txf_id; - enum txf_flags ctrl_flags; - u16 vlan; -}; - -/* Tx object */ -struct bna_tx { - /* This should be the first one */ - struct list_head qe; - - bfa_fsm_t fsm; - enum bna_tx_flags flags; - - enum bna_tx_type type; - - struct list_head txq_q; - struct bna_txf txf; - - /* Tx event handlers */ - void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *); - void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *); - void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *); - void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *); - void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *); - - /* callback for bna_tx_disable(), bna_tx_stop() */ - void (*stop_cbfn)(void *arg, struct bna_tx *tx, - enum bna_cb_status status); - void *stop_cbarg; - - /* callback for bna_tx_prio_set() */ - void (*prio_change_cbfn)(struct bnad *bnad, struct bna_tx *tx, - enum bna_cb_status status); - - struct bfa_wc txq_stop_wc; - - struct bna_mbox_qe mbox_qe; - - struct bna *bna; - void *priv; /* bnad's cookie */ -}; - -struct bna_tx_config { - int num_txq; - int txq_depth; - enum bna_tx_type tx_type; -}; - -struct bna_tx_event_cbfn { - /* Optional */ - void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *); - void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *); - /* Mandatory */ - void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *); - void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *); - void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *); -}; - -/* Tx module - keeps track of free, active tx objects */ -struct bna_tx_mod { - struct bna_tx *tx; /* BFI_MAX_TXQ entries */ - struct bna_txq *txq; /* BFI_MAX_TXQ entries */ - - struct list_head tx_free_q; - struct list_head tx_active_q; - - struct list_head txq_free_q; - - /* callback for bna_tx_mod_stop() */ - void (*stop_cbfn)(struct bna_port *port, - enum bna_cb_status status); - - struct bfa_wc tx_stop_wc; - - enum bna_tx_mod_flags flags; - - int priority; - int cee_link; - - u32 txf_bmap[2]; - - struct bna *bna; -}; - -/** - * - * Receive Indirection Table - * - */ - -/* One row of RIT table */ -struct bna_rit_entry { - u8 large_rxq_id; /* used for either large or data buffers */ - u8 small_rxq_id; /* used for either small or header buffers */ -}; - -/* RIT segment */ -struct bna_rit_segment { - struct list_head qe; - - u32 rit_offset; - u32 rit_size; - /** - * max_rit_size: Varies per RIT segment depending on how RIT is - * partitioned - */ - u32 max_rit_size; - - struct bna_rit_entry *rit; -}; - -struct bna_rit_mod { - struct bna_rit_entry *rit; - struct bna_rit_segment *rit_segment; - - struct list_head rit_seg_pool[BFI_RIT_SEG_TOTAL_POOLS]; -}; - -/** - * - * Rx object - * - */ - -/* Rx datapath control structure */ -struct bna_rcb { - /* Fast path */ - void **sw_qpt; - void *unmap_q; - u32 producer_index; - u32 consumer_index; - u32 q_depth; - void *__iomem q_dbell; - int page_idx; - int page_count; - /* Control path */ - struct bna_rxq *rxq; - struct bna_cq *cq; - struct bnad *bnad; - unsigned long flags; - int id; -}; - -/* RxQ structure - QPT, configuration */ -struct bna_rxq { - struct list_head qe; - int rxq_id; - - int buffer_size; - int q_depth; - - struct bna_qpt qpt; - struct bna_rcb *rcb; - - struct bna_rxp *rxp; - struct bna_rx *rx; - - u64 rx_packets; - u64 rx_bytes; - u64 rx_packets_with_error; - u64 rxbuf_alloc_failed; -}; - -/* RxQ pair */ -union bna_rxq_u { - struct { - struct bna_rxq *hdr; - struct bna_rxq *data; - } hds; - struct { - struct bna_rxq *small; - struct bna_rxq *large; - } slr; - struct { - struct bna_rxq *only; - struct bna_rxq *reserved; - } single; -}; - -/* Packet rate for Dynamic Interrupt Moderation */ -struct bna_pkt_rate { - u32 small_pkt_cnt; - u32 large_pkt_cnt; -}; - -/* Completion control structure */ -struct bna_ccb { - /* Fast path */ - void **sw_qpt; - u32 producer_index; - volatile u32 *hw_producer_index; - u32 q_depth; - struct bna_ib_dbell *i_dbell; - struct bna_rcb *rcb[2]; - void *ctrl; /* For bnad */ - struct bna_pkt_rate pkt_rate; - int page_idx; - int page_count; - - /* Control path */ - struct bna_cq *cq; - struct bnad *bnad; - enum bna_intr_type intr_type; - int intr_vector; - u8 rx_coalescing_timeo; /* For NAPI */ - int id; - char name[BNA_Q_NAME_SIZE]; -}; - -/* CQ QPT, configuration */ -struct bna_cq { - int cq_id; - - struct bna_qpt qpt; - struct bna_ccb *ccb; - - struct bna_ib *ib; - u8 ib_seg_offset; - - struct bna_rx *rx; -}; - -struct bna_rss_config { - enum rss_hash_type hash_type; - u8 hash_mask; - u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN]; -}; - -struct bna_hds_config { - enum hds_header_type hdr_type; - int header_size; -}; - -/* This structure is used during RX creation */ -struct bna_rx_config { - enum bna_rx_type rx_type; - int num_paths; - enum bna_rxp_type rxp_type; - int paused; - int q_depth; - /* - * Small/Large (or Header/Data) buffer size to be configured - * for SLR and HDS queue type. Large buffer size comes from - * port->mtu. - */ - int small_buff_size; - - enum bna_status rss_status; - struct bna_rss_config rss_config; - - enum bna_status hds_status; - struct bna_hds_config hds_config; - - enum bna_status vlan_strip_status; -}; - -/* Rx Path structure - one per MSIX vector/CPU */ -struct bna_rxp { - /* This should be the first one */ - struct list_head qe; - - enum bna_rxp_type type; - union bna_rxq_u rxq; - struct bna_cq cq; - - struct bna_rx *rx; - - /* MSI-x vector number for configuring RSS */ - int vector; - - struct bna_mbox_qe mbox_qe; -}; - -/* HDS configuration structure */ -struct bna_rxf_hds { - enum hds_header_type hdr_type; - int header_size; -}; - -/* RSS configuration structure */ -struct bna_rxf_rss { - enum rss_hash_type hash_type; - u8 hash_mask; - u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN]; -}; - -/* RxF structure (hardware Rx Function) */ -struct bna_rxf { - bfa_fsm_t fsm; - int rxf_id; - enum rxf_flags ctrl_flags; - u16 default_vlan_tag; - enum bna_rxf_oper_state rxf_oper_state; - enum bna_status hds_status; - struct bna_rxf_hds hds_cfg; - enum bna_status rss_status; - struct bna_rxf_rss rss_cfg; - struct bna_rit_segment *rit_segment; - struct bna_rx *rx; - u32 forced_offset; - struct bna_mbox_qe mbox_qe; - int mcast_rxq_id; - - /* callback for bna_rxf_start() */ - void (*start_cbfn) (struct bna_rx *rx, enum bna_cb_status status); - struct bna_rx *start_cbarg; - - /* callback for bna_rxf_stop() */ - void (*stop_cbfn) (struct bna_rx *rx, enum bna_cb_status status); - struct bna_rx *stop_cbarg; - - /* callback for bna_rxf_receive_enable() / bna_rxf_receive_disable() */ - void (*oper_state_cbfn) (struct bnad *bnad, struct bna_rx *rx, - enum bna_cb_status status); - struct bnad *oper_state_cbarg; - - /** - * callback for: - * bna_rxf_ucast_set() - * bna_rxf_{ucast/mcast}_add(), - * bna_rxf_{ucast/mcast}_del(), - * bna_rxf_mode_set() - */ - void (*cam_fltr_cbfn)(struct bnad *bnad, struct bna_rx *rx, - enum bna_cb_status status); - struct bnad *cam_fltr_cbarg; - - enum bna_rxf_flags rxf_flags; - - /* List of unicast addresses yet to be applied to h/w */ - struct list_head ucast_pending_add_q; - struct list_head ucast_pending_del_q; - int ucast_pending_set; - /* ucast addresses applied to the h/w */ - struct list_head ucast_active_q; - struct bna_mac *ucast_active_mac; - - /* List of multicast addresses yet to be applied to h/w */ - struct list_head mcast_pending_add_q; - struct list_head mcast_pending_del_q; - /* multicast addresses applied to the h/w */ - struct list_head mcast_active_q; - - /* Rx modes yet to be applied to h/w */ - enum bna_rxmode rxmode_pending; - enum bna_rxmode rxmode_pending_bitmask; - /* Rx modes applied to h/w */ - enum bna_rxmode rxmode_active; - - enum bna_status vlan_filter_status; - u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32]; -}; - -/* Rx object */ -struct bna_rx { - /* This should be the first one */ - struct list_head qe; - - bfa_fsm_t fsm; - - enum bna_rx_type type; - - /* list-head for RX path objects */ - struct list_head rxp_q; - - struct bna_rxf rxf; - - enum bna_rx_flags rx_flags; - - struct bna_mbox_qe mbox_qe; - - struct bfa_wc rxq_stop_wc; - - /* Rx event handlers */ - void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *); - void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); - void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); - void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); - void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *); - void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *); - - /* callback for bna_rx_disable(), bna_rx_stop() */ - void (*stop_cbfn)(void *arg, struct bna_rx *rx, - enum bna_cb_status status); - void *stop_cbarg; - - struct bna *bna; - void *priv; /* bnad's cookie */ -}; - -struct bna_rx_event_cbfn { - /* Optional */ - void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *); - void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); - void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); - void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); - /* Mandatory */ - void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *); - void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *); -}; - -/* Rx module - keeps track of free, active rx objects */ -struct bna_rx_mod { - struct bna *bna; /* back pointer to parent */ - struct bna_rx *rx; /* BFI_MAX_RXQ entries */ - struct bna_rxp *rxp; /* BFI_MAX_RXQ entries */ - struct bna_rxq *rxq; /* BFI_MAX_RXQ entries */ - - struct list_head rx_free_q; - struct list_head rx_active_q; - int rx_free_count; - - struct list_head rxp_free_q; - int rxp_free_count; - - struct list_head rxq_free_q; - int rxq_free_count; - - enum bna_rx_mod_flags flags; - - /* callback for bna_rx_mod_stop() */ - void (*stop_cbfn)(struct bna_port *port, - enum bna_cb_status status); - - struct bfa_wc rx_stop_wc; - u32 dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX]; - u32 rxf_bmap[2]; -}; - -/** - * - * CAM - * - */ - -struct bna_ucam_mod { - struct bna_mac *ucmac; /* BFI_MAX_UCMAC entries */ - struct list_head free_q; - - struct bna *bna; -}; - -struct bna_mcam_mod { - struct bna_mac *mcmac; /* BFI_MAX_MCMAC entries */ - struct list_head free_q; - - struct bna *bna; -}; - -/** - * - * Statistics - * - */ - -struct bna_tx_stats { - int tx_state; - int tx_flags; - int num_txqs; - u32 txq_bmap[2]; - int txf_id; -}; - -struct bna_rx_stats { - int rx_state; - int rx_flags; - int num_rxps; - int num_rxqs; - u32 rxq_bmap[2]; - u32 cq_bmap[2]; - int rxf_id; - int rxf_state; - int rxf_oper_state; - int num_active_ucast; - int num_active_mcast; - int rxmode_active; - int vlan_filter_status; - u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32]; - int rss_status; - int hds_status; -}; - -struct bna_sw_stats { - int device_state; - int port_state; - int port_flags; - int llport_state; - int priority; - int num_active_tx; - int num_active_rx; - struct bna_tx_stats tx_stats[BFI_MAX_TXQ]; - struct bna_rx_stats rx_stats[BFI_MAX_RXQ]; -}; - -struct bna_stats { - u32 txf_bmap[2]; - u32 rxf_bmap[2]; - struct bfi_ll_stats *hw_stats; - struct bna_sw_stats *sw_stats; -}; - -/** - * - * BNA - * - */ - -struct bna { - struct bfa_pcidev pcidev; - - int port_num; - - struct bna_chip_regs regs; - - struct bna_dma_addr hw_stats_dma; - struct bna_stats stats; - - struct bna_device device; - struct bfa_cee cee; - - struct bna_mbox_mod mbox_mod; - - struct bna_port port; - - struct bna_tx_mod tx_mod; - - struct bna_rx_mod rx_mod; - - struct bna_ib_mod ib_mod; - - struct bna_ucam_mod ucam_mod; - struct bna_mcam_mod mcam_mod; - - struct bna_rit_mod rit_mod; - - int rxf_promisc_id; - - struct bna_mbox_qe mbox_qe; - - struct bnad *bnad; -}; - -#endif /* __BNA_TYPES_H__ */ diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c deleted file mode 100644 index 8e35b2596f93..000000000000 --- a/drivers/net/bna/bnad.c +++ /dev/null @@ -1,3266 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "bnad.h" -#include "bna.h" -#include "cna.h" - -static DEFINE_MUTEX(bnad_fwimg_mutex); - -/* - * Module params - */ -static uint bnad_msix_disable; -module_param(bnad_msix_disable, uint, 0444); -MODULE_PARM_DESC(bnad_msix_disable, "Disable MSIX mode"); - -static uint bnad_ioc_auto_recover = 1; -module_param(bnad_ioc_auto_recover, uint, 0444); -MODULE_PARM_DESC(bnad_ioc_auto_recover, "Enable / Disable auto recovery"); - -/* - * Global variables - */ -u32 bnad_rxqs_per_cq = 2; - -static const u8 bnad_bcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - -/* - * Local MACROS - */ -#define BNAD_TX_UNMAPQ_DEPTH (bnad->txq_depth * 2) - -#define BNAD_RX_UNMAPQ_DEPTH (bnad->rxq_depth) - -#define BNAD_GET_MBOX_IRQ(_bnad) \ - (((_bnad)->cfg_flags & BNAD_CF_MSIX) ? \ - ((_bnad)->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector) : \ - ((_bnad)->pcidev->irq)) - -#define BNAD_FILL_UNMAPQ_MEM_REQ(_res_info, _num, _depth) \ -do { \ - (_res_info)->res_type = BNA_RES_T_MEM; \ - (_res_info)->res_u.mem_info.mem_type = BNA_MEM_T_KVA; \ - (_res_info)->res_u.mem_info.num = (_num); \ - (_res_info)->res_u.mem_info.len = \ - sizeof(struct bnad_unmap_q) + \ - (sizeof(struct bnad_skb_unmap) * ((_depth) - 1)); \ -} while (0) - -#define BNAD_TXRX_SYNC_MDELAY 250 /* 250 msecs */ - -/* - * Reinitialize completions in CQ, once Rx is taken down - */ -static void -bnad_cq_cmpl_init(struct bnad *bnad, struct bna_ccb *ccb) -{ - struct bna_cq_entry *cmpl, *next_cmpl; - unsigned int wi_range, wis = 0, ccb_prod = 0; - int i; - - BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt, cmpl, - wi_range); - - for (i = 0; i < ccb->q_depth; i++) { - wis++; - if (likely(--wi_range)) - next_cmpl = cmpl + 1; - else { - BNA_QE_INDX_ADD(ccb_prod, wis, ccb->q_depth); - wis = 0; - BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt, - next_cmpl, wi_range); - } - cmpl->valid = 0; - cmpl = next_cmpl; - } -} - -/* - * Frees all pending Tx Bufs - * At this point no activity is expected on the Q, - * so DMA unmap & freeing is fine. - */ -static void -bnad_free_all_txbufs(struct bnad *bnad, - struct bna_tcb *tcb) -{ - u32 unmap_cons; - struct bnad_unmap_q *unmap_q = tcb->unmap_q; - struct bnad_skb_unmap *unmap_array; - struct sk_buff *skb = NULL; - int i; - - unmap_array = unmap_q->unmap_array; - - unmap_cons = 0; - while (unmap_cons < unmap_q->q_depth) { - skb = unmap_array[unmap_cons].skb; - if (!skb) { - unmap_cons++; - continue; - } - unmap_array[unmap_cons].skb = NULL; - - dma_unmap_single(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), skb_headlen(skb), - DMA_TO_DEVICE); - - dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0); - if (++unmap_cons >= unmap_q->q_depth) - break; - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - dma_unmap_page(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), - skb_shinfo(skb)->frags[i].size, - DMA_TO_DEVICE); - dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, - 0); - if (++unmap_cons >= unmap_q->q_depth) - break; - } - dev_kfree_skb_any(skb); - } -} - -/* Data Path Handlers */ - -/* - * bnad_free_txbufs : Frees the Tx bufs on Tx completion - * Can be called in a) Interrupt context - * b) Sending context - * c) Tasklet context - */ -static u32 -bnad_free_txbufs(struct bnad *bnad, - struct bna_tcb *tcb) -{ - u32 sent_packets = 0, sent_bytes = 0; - u16 wis, unmap_cons, updated_hw_cons; - struct bnad_unmap_q *unmap_q = tcb->unmap_q; - struct bnad_skb_unmap *unmap_array; - struct sk_buff *skb; - int i; - - /* - * Just return if TX is stopped. This check is useful - * when bnad_free_txbufs() runs out of a tasklet scheduled - * before bnad_cb_tx_cleanup() cleared BNAD_TXQ_TX_STARTED bit - * but this routine runs actually after the cleanup has been - * executed. - */ - if (!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) - return 0; - - updated_hw_cons = *(tcb->hw_consumer_index); - - wis = BNA_Q_INDEX_CHANGE(tcb->consumer_index, - updated_hw_cons, tcb->q_depth); - - BUG_ON(!(wis <= BNA_QE_IN_USE_CNT(tcb, tcb->q_depth))); - - unmap_array = unmap_q->unmap_array; - unmap_cons = unmap_q->consumer_index; - - prefetch(&unmap_array[unmap_cons + 1]); - while (wis) { - skb = unmap_array[unmap_cons].skb; - - unmap_array[unmap_cons].skb = NULL; - - sent_packets++; - sent_bytes += skb->len; - wis -= BNA_TXQ_WI_NEEDED(1 + skb_shinfo(skb)->nr_frags); - - dma_unmap_single(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), skb_headlen(skb), - DMA_TO_DEVICE); - dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0); - BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth); - - prefetch(&unmap_array[unmap_cons + 1]); - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - prefetch(&unmap_array[unmap_cons + 1]); - - dma_unmap_page(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), - skb_shinfo(skb)->frags[i].size, - DMA_TO_DEVICE); - dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, - 0); - BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth); - } - dev_kfree_skb_any(skb); - } - - /* Update consumer pointers. */ - tcb->consumer_index = updated_hw_cons; - unmap_q->consumer_index = unmap_cons; - - tcb->txq->tx_packets += sent_packets; - tcb->txq->tx_bytes += sent_bytes; - - return sent_packets; -} - -/* Tx Free Tasklet function */ -/* Frees for all the tcb's in all the Tx's */ -/* - * Scheduled from sending context, so that - * the fat Tx lock is not held for too long - * in the sending context. - */ -static void -bnad_tx_free_tasklet(unsigned long bnad_ptr) -{ - struct bnad *bnad = (struct bnad *)bnad_ptr; - struct bna_tcb *tcb; - u32 acked = 0; - int i, j; - - for (i = 0; i < bnad->num_tx; i++) { - for (j = 0; j < bnad->num_txq_per_tx; j++) { - tcb = bnad->tx_info[i].tcb[j]; - if (!tcb) - continue; - if (((u16) (*tcb->hw_consumer_index) != - tcb->consumer_index) && - (!test_and_set_bit(BNAD_TXQ_FREE_SENT, - &tcb->flags))) { - acked = bnad_free_txbufs(bnad, tcb); - if (likely(test_bit(BNAD_TXQ_TX_STARTED, - &tcb->flags))) - bna_ib_ack(tcb->i_dbell, acked); - smp_mb__before_clear_bit(); - clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); - } - if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, - &tcb->flags))) - continue; - if (netif_queue_stopped(bnad->netdev)) { - if (acked && netif_carrier_ok(bnad->netdev) && - BNA_QE_FREE_CNT(tcb, tcb->q_depth) >= - BNAD_NETIF_WAKE_THRESHOLD) { - netif_wake_queue(bnad->netdev); - /* TODO */ - /* Counters for individual TxQs? */ - BNAD_UPDATE_CTR(bnad, - netif_queue_wakeup); - } - } - } - } -} - -static u32 -bnad_tx(struct bnad *bnad, struct bna_tcb *tcb) -{ - struct net_device *netdev = bnad->netdev; - u32 sent = 0; - - if (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) - return 0; - - sent = bnad_free_txbufs(bnad, tcb); - if (sent) { - if (netif_queue_stopped(netdev) && - netif_carrier_ok(netdev) && - BNA_QE_FREE_CNT(tcb, tcb->q_depth) >= - BNAD_NETIF_WAKE_THRESHOLD) { - if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) { - netif_wake_queue(netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); - } - } - } - - if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) - bna_ib_ack(tcb->i_dbell, sent); - - smp_mb__before_clear_bit(); - clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); - - return sent; -} - -/* MSIX Tx Completion Handler */ -static irqreturn_t -bnad_msix_tx(int irq, void *data) -{ - struct bna_tcb *tcb = (struct bna_tcb *)data; - struct bnad *bnad = tcb->bnad; - - bnad_tx(bnad, tcb); - - return IRQ_HANDLED; -} - -static void -bnad_reset_rcb(struct bnad *bnad, struct bna_rcb *rcb) -{ - struct bnad_unmap_q *unmap_q = rcb->unmap_q; - - rcb->producer_index = 0; - rcb->consumer_index = 0; - - unmap_q->producer_index = 0; - unmap_q->consumer_index = 0; -} - -static void -bnad_free_all_rxbufs(struct bnad *bnad, struct bna_rcb *rcb) -{ - struct bnad_unmap_q *unmap_q; - struct bnad_skb_unmap *unmap_array; - struct sk_buff *skb; - int unmap_cons; - - unmap_q = rcb->unmap_q; - unmap_array = unmap_q->unmap_array; - for (unmap_cons = 0; unmap_cons < unmap_q->q_depth; unmap_cons++) { - skb = unmap_array[unmap_cons].skb; - if (!skb) - continue; - unmap_array[unmap_cons].skb = NULL; - dma_unmap_single(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), - rcb->rxq->buffer_size, - DMA_FROM_DEVICE); - dev_kfree_skb(skb); - } - bnad_reset_rcb(bnad, rcb); -} - -static void -bnad_alloc_n_post_rxbufs(struct bnad *bnad, struct bna_rcb *rcb) -{ - u16 to_alloc, alloced, unmap_prod, wi_range; - struct bnad_unmap_q *unmap_q = rcb->unmap_q; - struct bnad_skb_unmap *unmap_array; - struct bna_rxq_entry *rxent; - struct sk_buff *skb; - dma_addr_t dma_addr; - - alloced = 0; - to_alloc = - BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth); - - unmap_array = unmap_q->unmap_array; - unmap_prod = unmap_q->producer_index; - - BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, wi_range); - - while (to_alloc--) { - if (!wi_range) { - BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, - wi_range); - } - skb = netdev_alloc_skb_ip_align(bnad->netdev, - rcb->rxq->buffer_size); - if (unlikely(!skb)) { - BNAD_UPDATE_CTR(bnad, rxbuf_alloc_failed); - goto finishing; - } - unmap_array[unmap_prod].skb = skb; - dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, - rcb->rxq->buffer_size, - DMA_FROM_DEVICE); - dma_unmap_addr_set(&unmap_array[unmap_prod], dma_addr, - dma_addr); - BNA_SET_DMA_ADDR(dma_addr, &rxent->host_addr); - BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); - - rxent++; - wi_range--; - alloced++; - } - -finishing: - if (likely(alloced)) { - unmap_q->producer_index = unmap_prod; - rcb->producer_index = unmap_prod; - smp_mb(); - if (likely(test_bit(BNAD_RXQ_STARTED, &rcb->flags))) - bna_rxq_prod_indx_doorbell(rcb); - } -} - -static inline void -bnad_refill_rxq(struct bnad *bnad, struct bna_rcb *rcb) -{ - struct bnad_unmap_q *unmap_q = rcb->unmap_q; - - if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) { - if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth) - >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT) - bnad_alloc_n_post_rxbufs(bnad, rcb); - smp_mb__before_clear_bit(); - clear_bit(BNAD_RXQ_REFILL, &rcb->flags); - } -} - -static u32 -bnad_poll_cq(struct bnad *bnad, struct bna_ccb *ccb, int budget) -{ - struct bna_cq_entry *cmpl, *next_cmpl; - struct bna_rcb *rcb = NULL; - unsigned int wi_range, packets = 0, wis = 0; - struct bnad_unmap_q *unmap_q; - struct bnad_skb_unmap *unmap_array; - struct sk_buff *skb; - u32 flags, unmap_cons; - u32 qid0 = ccb->rcb[0]->rxq->rxq_id; - struct bna_pkt_rate *pkt_rt = &ccb->pkt_rate; - - if (!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)) - return 0; - - prefetch(bnad->netdev); - BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt, cmpl, - wi_range); - BUG_ON(!(wi_range <= ccb->q_depth)); - while (cmpl->valid && packets < budget) { - packets++; - BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length)); - - if (qid0 == cmpl->rxq_id) - rcb = ccb->rcb[0]; - else - rcb = ccb->rcb[1]; - - unmap_q = rcb->unmap_q; - unmap_array = unmap_q->unmap_array; - unmap_cons = unmap_q->consumer_index; - - skb = unmap_array[unmap_cons].skb; - BUG_ON(!(skb)); - unmap_array[unmap_cons].skb = NULL; - dma_unmap_single(&bnad->pcidev->dev, - dma_unmap_addr(&unmap_array[unmap_cons], - dma_addr), - rcb->rxq->buffer_size, - DMA_FROM_DEVICE); - BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth); - - /* Should be more efficient ? Performance ? */ - BNA_QE_INDX_ADD(rcb->consumer_index, 1, rcb->q_depth); - - wis++; - if (likely(--wi_range)) - next_cmpl = cmpl + 1; - else { - BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth); - wis = 0; - BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt, - next_cmpl, wi_range); - BUG_ON(!(wi_range <= ccb->q_depth)); - } - prefetch(next_cmpl); - - flags = ntohl(cmpl->flags); - if (unlikely - (flags & - (BNA_CQ_EF_MAC_ERROR | BNA_CQ_EF_FCS_ERROR | - BNA_CQ_EF_TOO_LONG))) { - dev_kfree_skb_any(skb); - rcb->rxq->rx_packets_with_error++; - goto next; - } - - skb_put(skb, ntohs(cmpl->length)); - if (likely - ((bnad->netdev->features & NETIF_F_RXCSUM) && - (((flags & BNA_CQ_EF_IPV4) && - (flags & BNA_CQ_EF_L3_CKSUM_OK)) || - (flags & BNA_CQ_EF_IPV6)) && - (flags & (BNA_CQ_EF_TCP | BNA_CQ_EF_UDP)) && - (flags & BNA_CQ_EF_L4_CKSUM_OK))) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb_checksum_none_assert(skb); - - rcb->rxq->rx_packets++; - rcb->rxq->rx_bytes += skb->len; - skb->protocol = eth_type_trans(skb, bnad->netdev); - - if (flags & BNA_CQ_EF_VLAN) - __vlan_hwaccel_put_tag(skb, ntohs(cmpl->vlan_tag)); - - if (skb->ip_summed == CHECKSUM_UNNECESSARY) { - struct bnad_rx_ctrl *rx_ctrl; - - rx_ctrl = (struct bnad_rx_ctrl *) ccb->ctrl; - napi_gro_receive(&rx_ctrl->napi, skb); - } else { - netif_receive_skb(skb); - } - -next: - cmpl->valid = 0; - cmpl = next_cmpl; - } - - BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth); - - if (likely(ccb)) { - if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) - bna_ib_ack(ccb->i_dbell, packets); - bnad_refill_rxq(bnad, ccb->rcb[0]); - if (ccb->rcb[1]) - bnad_refill_rxq(bnad, ccb->rcb[1]); - } else { - if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) - bna_ib_ack(ccb->i_dbell, 0); - } - - return packets; -} - -static void -bnad_disable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb) -{ - if (unlikely(!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) - return; - - bna_ib_coalescing_timer_set(ccb->i_dbell, 0); - bna_ib_ack(ccb->i_dbell, 0); -} - -static void -bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb) -{ - unsigned long flags; - - /* Because of polling context */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bnad_enable_rx_irq_unsafe(ccb); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -static void -bnad_netif_rx_schedule_poll(struct bnad *bnad, struct bna_ccb *ccb) -{ - struct bnad_rx_ctrl *rx_ctrl = (struct bnad_rx_ctrl *)(ccb->ctrl); - struct napi_struct *napi = &rx_ctrl->napi; - - if (likely(napi_schedule_prep(napi))) { - bnad_disable_rx_irq(bnad, ccb); - __napi_schedule(napi); - } - BNAD_UPDATE_CTR(bnad, netif_rx_schedule); -} - -/* MSIX Rx Path Handler */ -static irqreturn_t -bnad_msix_rx(int irq, void *data) -{ - struct bna_ccb *ccb = (struct bna_ccb *)data; - struct bnad *bnad = ccb->bnad; - - bnad_netif_rx_schedule_poll(bnad, ccb); - - return IRQ_HANDLED; -} - -/* Interrupt handlers */ - -/* Mbox Interrupt Handlers */ -static irqreturn_t -bnad_msix_mbox_handler(int irq, void *data) -{ - u32 intr_status; - unsigned long flags; - struct bnad *bnad = (struct bnad *)data; - - if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags))) - return IRQ_HANDLED; - - spin_lock_irqsave(&bnad->bna_lock, flags); - - bna_intr_status_get(&bnad->bna, intr_status); - - if (BNA_IS_MBOX_ERR_INTR(intr_status)) - bna_mbox_handler(&bnad->bna, intr_status); - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - return IRQ_HANDLED; -} - -static irqreturn_t -bnad_isr(int irq, void *data) -{ - int i, j; - u32 intr_status; - unsigned long flags; - struct bnad *bnad = (struct bnad *)data; - struct bnad_rx_info *rx_info; - struct bnad_rx_ctrl *rx_ctrl; - - if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags))) - return IRQ_NONE; - - bna_intr_status_get(&bnad->bna, intr_status); - - if (unlikely(!intr_status)) - return IRQ_NONE; - - spin_lock_irqsave(&bnad->bna_lock, flags); - - if (BNA_IS_MBOX_ERR_INTR(intr_status)) - bna_mbox_handler(&bnad->bna, intr_status); - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - if (!BNA_IS_INTX_DATA_INTR(intr_status)) - return IRQ_HANDLED; - - /* Process data interrupts */ - /* Tx processing */ - for (i = 0; i < bnad->num_tx; i++) { - for (j = 0; j < bnad->num_txq_per_tx; j++) - bnad_tx(bnad, bnad->tx_info[i].tcb[j]); - } - /* Rx processing */ - for (i = 0; i < bnad->num_rx; i++) { - rx_info = &bnad->rx_info[i]; - if (!rx_info->rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - rx_ctrl = &rx_info->rx_ctrl[j]; - if (rx_ctrl->ccb) - bnad_netif_rx_schedule_poll(bnad, - rx_ctrl->ccb); - } - } - return IRQ_HANDLED; -} - -/* - * Called in interrupt / callback context - * with bna_lock held, so cfg_flags access is OK - */ -static void -bnad_enable_mbox_irq(struct bnad *bnad) -{ - clear_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); - - BNAD_UPDATE_CTR(bnad, mbox_intr_enabled); -} - -/* - * Called with bnad->bna_lock held b'cos of - * bnad->cfg_flags access. - */ -static void -bnad_disable_mbox_irq(struct bnad *bnad) -{ - set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); - - BNAD_UPDATE_CTR(bnad, mbox_intr_disabled); -} - -static void -bnad_set_netdev_perm_addr(struct bnad *bnad) -{ - struct net_device *netdev = bnad->netdev; - - memcpy(netdev->perm_addr, &bnad->perm_addr, netdev->addr_len); - if (is_zero_ether_addr(netdev->dev_addr)) - memcpy(netdev->dev_addr, &bnad->perm_addr, netdev->addr_len); -} - -/* Control Path Handlers */ - -/* Callbacks */ -void -bnad_cb_device_enable_mbox_intr(struct bnad *bnad) -{ - bnad_enable_mbox_irq(bnad); -} - -void -bnad_cb_device_disable_mbox_intr(struct bnad *bnad) -{ - bnad_disable_mbox_irq(bnad); -} - -void -bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status) -{ - complete(&bnad->bnad_completions.ioc_comp); - bnad->bnad_completions.ioc_comp_status = status; -} - -void -bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status) -{ - complete(&bnad->bnad_completions.ioc_comp); - bnad->bnad_completions.ioc_comp_status = status; -} - -static void -bnad_cb_port_disabled(void *arg, enum bna_cb_status status) -{ - struct bnad *bnad = (struct bnad *)arg; - - complete(&bnad->bnad_completions.port_comp); - - netif_carrier_off(bnad->netdev); -} - -void -bnad_cb_port_link_status(struct bnad *bnad, - enum bna_link_status link_status) -{ - bool link_up = 0; - - link_up = (link_status == BNA_LINK_UP) || (link_status == BNA_CEE_UP); - - if (link_status == BNA_CEE_UP) { - set_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags); - BNAD_UPDATE_CTR(bnad, cee_up); - } else - clear_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags); - - if (link_up) { - if (!netif_carrier_ok(bnad->netdev)) { - struct bna_tcb *tcb = bnad->tx_info[0].tcb[0]; - if (!tcb) - return; - pr_warn("bna: %s link up\n", - bnad->netdev->name); - netif_carrier_on(bnad->netdev); - BNAD_UPDATE_CTR(bnad, link_toggle); - if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) { - /* Force an immediate Transmit Schedule */ - pr_info("bna: %s TX_STARTED\n", - bnad->netdev->name); - netif_wake_queue(bnad->netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); - } else { - netif_stop_queue(bnad->netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_stop); - } - } - } else { - if (netif_carrier_ok(bnad->netdev)) { - pr_warn("bna: %s link down\n", - bnad->netdev->name); - netif_carrier_off(bnad->netdev); - BNAD_UPDATE_CTR(bnad, link_toggle); - } - } -} - -static void -bnad_cb_tx_disabled(void *arg, struct bna_tx *tx, - enum bna_cb_status status) -{ - struct bnad *bnad = (struct bnad *)arg; - - complete(&bnad->bnad_completions.tx_comp); -} - -static void -bnad_cb_tcb_setup(struct bnad *bnad, struct bna_tcb *tcb) -{ - struct bnad_tx_info *tx_info = - (struct bnad_tx_info *)tcb->txq->tx->priv; - struct bnad_unmap_q *unmap_q = tcb->unmap_q; - - tx_info->tcb[tcb->id] = tcb; - unmap_q->producer_index = 0; - unmap_q->consumer_index = 0; - unmap_q->q_depth = BNAD_TX_UNMAPQ_DEPTH; -} - -static void -bnad_cb_tcb_destroy(struct bnad *bnad, struct bna_tcb *tcb) -{ - struct bnad_tx_info *tx_info = - (struct bnad_tx_info *)tcb->txq->tx->priv; - struct bnad_unmap_q *unmap_q = tcb->unmap_q; - - while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) - cpu_relax(); - - bnad_free_all_txbufs(bnad, tcb); - - unmap_q->producer_index = 0; - unmap_q->consumer_index = 0; - - smp_mb__before_clear_bit(); - clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); - - tx_info->tcb[tcb->id] = NULL; -} - -static void -bnad_cb_rcb_setup(struct bnad *bnad, struct bna_rcb *rcb) -{ - struct bnad_unmap_q *unmap_q = rcb->unmap_q; - - unmap_q->producer_index = 0; - unmap_q->consumer_index = 0; - unmap_q->q_depth = BNAD_RX_UNMAPQ_DEPTH; -} - -static void -bnad_cb_rcb_destroy(struct bnad *bnad, struct bna_rcb *rcb) -{ - bnad_free_all_rxbufs(bnad, rcb); -} - -static void -bnad_cb_ccb_setup(struct bnad *bnad, struct bna_ccb *ccb) -{ - struct bnad_rx_info *rx_info = - (struct bnad_rx_info *)ccb->cq->rx->priv; - - rx_info->rx_ctrl[ccb->id].ccb = ccb; - ccb->ctrl = &rx_info->rx_ctrl[ccb->id]; -} - -static void -bnad_cb_ccb_destroy(struct bnad *bnad, struct bna_ccb *ccb) -{ - struct bnad_rx_info *rx_info = - (struct bnad_rx_info *)ccb->cq->rx->priv; - - rx_info->rx_ctrl[ccb->id].ccb = NULL; -} - -static void -bnad_cb_tx_stall(struct bnad *bnad, struct bna_tcb *tcb) -{ - struct bnad_tx_info *tx_info = - (struct bnad_tx_info *)tcb->txq->tx->priv; - - if (tx_info != &bnad->tx_info[0]) - return; - - clear_bit(BNAD_TXQ_TX_STARTED, &tcb->flags); - netif_stop_queue(bnad->netdev); - pr_info("bna: %s TX_STOPPED\n", bnad->netdev->name); -} - -static void -bnad_cb_tx_resume(struct bnad *bnad, struct bna_tcb *tcb) -{ - struct bnad_unmap_q *unmap_q = tcb->unmap_q; - - if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) - return; - - clear_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags); - - while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) - cpu_relax(); - - bnad_free_all_txbufs(bnad, tcb); - - unmap_q->producer_index = 0; - unmap_q->consumer_index = 0; - - smp_mb__before_clear_bit(); - clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); - - /* - * Workaround for first device enable failure & we - * get a 0 MAC address. We try to get the MAC address - * again here. - */ - if (is_zero_ether_addr(&bnad->perm_addr.mac[0])) { - bna_port_mac_get(&bnad->bna.port, &bnad->perm_addr); - bnad_set_netdev_perm_addr(bnad); - } - - set_bit(BNAD_TXQ_TX_STARTED, &tcb->flags); - - if (netif_carrier_ok(bnad->netdev)) { - pr_info("bna: %s TX_STARTED\n", bnad->netdev->name); - netif_wake_queue(bnad->netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); - } -} - -static void -bnad_cb_tx_cleanup(struct bnad *bnad, struct bna_tcb *tcb) -{ - /* Delay only once for the whole Tx Path Shutdown */ - if (!test_and_set_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags)) - mdelay(BNAD_TXRX_SYNC_MDELAY); -} - -static void -bnad_cb_rx_cleanup(struct bnad *bnad, - struct bna_ccb *ccb) -{ - clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags); - - if (ccb->rcb[1]) - clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[1]->flags); - - if (!test_and_set_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags)) - mdelay(BNAD_TXRX_SYNC_MDELAY); -} - -static void -bnad_cb_rx_post(struct bnad *bnad, struct bna_rcb *rcb) -{ - struct bnad_unmap_q *unmap_q = rcb->unmap_q; - - clear_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags); - - if (rcb == rcb->cq->ccb->rcb[0]) - bnad_cq_cmpl_init(bnad, rcb->cq->ccb); - - bnad_free_all_rxbufs(bnad, rcb); - - set_bit(BNAD_RXQ_STARTED, &rcb->flags); - - /* Now allocate & post buffers for this RCB */ - /* !!Allocation in callback context */ - if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) { - if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth) - >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT) - bnad_alloc_n_post_rxbufs(bnad, rcb); - smp_mb__before_clear_bit(); - clear_bit(BNAD_RXQ_REFILL, &rcb->flags); - } -} - -static void -bnad_cb_rx_disabled(void *arg, struct bna_rx *rx, - enum bna_cb_status status) -{ - struct bnad *bnad = (struct bnad *)arg; - - complete(&bnad->bnad_completions.rx_comp); -} - -static void -bnad_cb_rx_mcast_add(struct bnad *bnad, struct bna_rx *rx, - enum bna_cb_status status) -{ - bnad->bnad_completions.mcast_comp_status = status; - complete(&bnad->bnad_completions.mcast_comp); -} - -void -bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status, - struct bna_stats *stats) -{ - if (status == BNA_CB_SUCCESS) - BNAD_UPDATE_CTR(bnad, hw_stats_updates); - - if (!netif_running(bnad->netdev) || - !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) - return; - - mod_timer(&bnad->stats_timer, - jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ)); -} - -/* Resource allocation, free functions */ - -static void -bnad_mem_free(struct bnad *bnad, - struct bna_mem_info *mem_info) -{ - int i; - dma_addr_t dma_pa; - - if (mem_info->mdl == NULL) - return; - - for (i = 0; i < mem_info->num; i++) { - if (mem_info->mdl[i].kva != NULL) { - if (mem_info->mem_type == BNA_MEM_T_DMA) { - BNA_GET_DMA_ADDR(&(mem_info->mdl[i].dma), - dma_pa); - dma_free_coherent(&bnad->pcidev->dev, - mem_info->mdl[i].len, - mem_info->mdl[i].kva, dma_pa); - } else - kfree(mem_info->mdl[i].kva); - } - } - kfree(mem_info->mdl); - mem_info->mdl = NULL; -} - -static int -bnad_mem_alloc(struct bnad *bnad, - struct bna_mem_info *mem_info) -{ - int i; - dma_addr_t dma_pa; - - if ((mem_info->num == 0) || (mem_info->len == 0)) { - mem_info->mdl = NULL; - return 0; - } - - mem_info->mdl = kcalloc(mem_info->num, sizeof(struct bna_mem_descr), - GFP_KERNEL); - if (mem_info->mdl == NULL) - return -ENOMEM; - - if (mem_info->mem_type == BNA_MEM_T_DMA) { - for (i = 0; i < mem_info->num; i++) { - mem_info->mdl[i].len = mem_info->len; - mem_info->mdl[i].kva = - dma_alloc_coherent(&bnad->pcidev->dev, - mem_info->len, &dma_pa, - GFP_KERNEL); - - if (mem_info->mdl[i].kva == NULL) - goto err_return; - - BNA_SET_DMA_ADDR(dma_pa, - &(mem_info->mdl[i].dma)); - } - } else { - for (i = 0; i < mem_info->num; i++) { - mem_info->mdl[i].len = mem_info->len; - mem_info->mdl[i].kva = kzalloc(mem_info->len, - GFP_KERNEL); - if (mem_info->mdl[i].kva == NULL) - goto err_return; - } - } - - return 0; - -err_return: - bnad_mem_free(bnad, mem_info); - return -ENOMEM; -} - -/* Free IRQ for Mailbox */ -static void -bnad_mbox_irq_free(struct bnad *bnad, - struct bna_intr_info *intr_info) -{ - int irq; - unsigned long flags; - - if (intr_info->idl == NULL) - return; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bnad_disable_mbox_irq(bnad); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - irq = BNAD_GET_MBOX_IRQ(bnad); - free_irq(irq, bnad); - - kfree(intr_info->idl); -} - -/* - * Allocates IRQ for Mailbox, but keep it disabled - * This will be enabled once we get the mbox enable callback - * from bna - */ -static int -bnad_mbox_irq_alloc(struct bnad *bnad, - struct bna_intr_info *intr_info) -{ - int err = 0; - unsigned long irq_flags, flags; - u32 irq; - irq_handler_t irq_handler; - - /* Mbox should use only 1 vector */ - - intr_info->idl = kzalloc(sizeof(*(intr_info->idl)), GFP_KERNEL); - if (!intr_info->idl) - return -ENOMEM; - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (bnad->cfg_flags & BNAD_CF_MSIX) { - irq_handler = (irq_handler_t)bnad_msix_mbox_handler; - irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector; - irq_flags = 0; - intr_info->intr_type = BNA_INTR_T_MSIX; - intr_info->idl[0].vector = BNAD_MAILBOX_MSIX_INDEX; - } else { - irq_handler = (irq_handler_t)bnad_isr; - irq = bnad->pcidev->irq; - irq_flags = IRQF_SHARED; - intr_info->intr_type = BNA_INTR_T_INTX; - } - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - sprintf(bnad->mbox_irq_name, "%s", BNAD_NAME); - - /* - * Set the Mbox IRQ disable flag, so that the IRQ handler - * called from request_irq() for SHARED IRQs do not execute - */ - set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); - - BNAD_UPDATE_CTR(bnad, mbox_intr_disabled); - - err = request_irq(irq, irq_handler, irq_flags, - bnad->mbox_irq_name, bnad); - - if (err) { - kfree(intr_info->idl); - intr_info->idl = NULL; - } - - return err; -} - -static void -bnad_txrx_irq_free(struct bnad *bnad, struct bna_intr_info *intr_info) -{ - kfree(intr_info->idl); - intr_info->idl = NULL; -} - -/* Allocates Interrupt Descriptor List for MSIX/INT-X vectors */ -static int -bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src, - uint txrx_id, struct bna_intr_info *intr_info) -{ - int i, vector_start = 0; - u32 cfg_flags; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - cfg_flags = bnad->cfg_flags; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - if (cfg_flags & BNAD_CF_MSIX) { - intr_info->intr_type = BNA_INTR_T_MSIX; - intr_info->idl = kcalloc(intr_info->num, - sizeof(struct bna_intr_descr), - GFP_KERNEL); - if (!intr_info->idl) - return -ENOMEM; - - switch (src) { - case BNAD_INTR_TX: - vector_start = BNAD_MAILBOX_MSIX_VECTORS + txrx_id; - break; - - case BNAD_INTR_RX: - vector_start = BNAD_MAILBOX_MSIX_VECTORS + - (bnad->num_tx * bnad->num_txq_per_tx) + - txrx_id; - break; - - default: - BUG(); - } - - for (i = 0; i < intr_info->num; i++) - intr_info->idl[i].vector = vector_start + i; - } else { - intr_info->intr_type = BNA_INTR_T_INTX; - intr_info->num = 1; - intr_info->idl = kcalloc(intr_info->num, - sizeof(struct bna_intr_descr), - GFP_KERNEL); - if (!intr_info->idl) - return -ENOMEM; - - switch (src) { - case BNAD_INTR_TX: - intr_info->idl[0].vector = BNAD_INTX_TX_IB_BITMASK; - break; - - case BNAD_INTR_RX: - intr_info->idl[0].vector = BNAD_INTX_RX_IB_BITMASK; - break; - } - } - return 0; -} - -/** - * NOTE: Should be called for MSIX only - * Unregisters Tx MSIX vector(s) from the kernel - */ -static void -bnad_tx_msix_unregister(struct bnad *bnad, struct bnad_tx_info *tx_info, - int num_txqs) -{ - int i; - int vector_num; - - for (i = 0; i < num_txqs; i++) { - if (tx_info->tcb[i] == NULL) - continue; - - vector_num = tx_info->tcb[i]->intr_vector; - free_irq(bnad->msix_table[vector_num].vector, tx_info->tcb[i]); - } -} - -/** - * NOTE: Should be called for MSIX only - * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel - */ -static int -bnad_tx_msix_register(struct bnad *bnad, struct bnad_tx_info *tx_info, - uint tx_id, int num_txqs) -{ - int i; - int err; - int vector_num; - - for (i = 0; i < num_txqs; i++) { - vector_num = tx_info->tcb[i]->intr_vector; - sprintf(tx_info->tcb[i]->name, "%s TXQ %d", bnad->netdev->name, - tx_id + tx_info->tcb[i]->id); - err = request_irq(bnad->msix_table[vector_num].vector, - (irq_handler_t)bnad_msix_tx, 0, - tx_info->tcb[i]->name, - tx_info->tcb[i]); - if (err) - goto err_return; - } - - return 0; - -err_return: - if (i > 0) - bnad_tx_msix_unregister(bnad, tx_info, (i - 1)); - return -1; -} - -/** - * NOTE: Should be called for MSIX only - * Unregisters Rx MSIX vector(s) from the kernel - */ -static void -bnad_rx_msix_unregister(struct bnad *bnad, struct bnad_rx_info *rx_info, - int num_rxps) -{ - int i; - int vector_num; - - for (i = 0; i < num_rxps; i++) { - if (rx_info->rx_ctrl[i].ccb == NULL) - continue; - - vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; - free_irq(bnad->msix_table[vector_num].vector, - rx_info->rx_ctrl[i].ccb); - } -} - -/** - * NOTE: Should be called for MSIX only - * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel - */ -static int -bnad_rx_msix_register(struct bnad *bnad, struct bnad_rx_info *rx_info, - uint rx_id, int num_rxps) -{ - int i; - int err; - int vector_num; - - for (i = 0; i < num_rxps; i++) { - vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; - sprintf(rx_info->rx_ctrl[i].ccb->name, "%s CQ %d", - bnad->netdev->name, - rx_id + rx_info->rx_ctrl[i].ccb->id); - err = request_irq(bnad->msix_table[vector_num].vector, - (irq_handler_t)bnad_msix_rx, 0, - rx_info->rx_ctrl[i].ccb->name, - rx_info->rx_ctrl[i].ccb); - if (err) - goto err_return; - } - - return 0; - -err_return: - if (i > 0) - bnad_rx_msix_unregister(bnad, rx_info, (i - 1)); - return -1; -} - -/* Free Tx object Resources */ -static void -bnad_tx_res_free(struct bnad *bnad, struct bna_res_info *res_info) -{ - int i; - - for (i = 0; i < BNA_TX_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - bnad_mem_free(bnad, &res_info[i].res_u.mem_info); - else if (res_info[i].res_type == BNA_RES_T_INTR) - bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info); - } -} - -/* Allocates memory and interrupt resources for Tx object */ -static int -bnad_tx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info, - uint tx_id) -{ - int i, err = 0; - - for (i = 0; i < BNA_TX_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - err = bnad_mem_alloc(bnad, - &res_info[i].res_u.mem_info); - else if (res_info[i].res_type == BNA_RES_T_INTR) - err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_TX, tx_id, - &res_info[i].res_u.intr_info); - if (err) - goto err_return; - } - return 0; - -err_return: - bnad_tx_res_free(bnad, res_info); - return err; -} - -/* Free Rx object Resources */ -static void -bnad_rx_res_free(struct bnad *bnad, struct bna_res_info *res_info) -{ - int i; - - for (i = 0; i < BNA_RX_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - bnad_mem_free(bnad, &res_info[i].res_u.mem_info); - else if (res_info[i].res_type == BNA_RES_T_INTR) - bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info); - } -} - -/* Allocates memory and interrupt resources for Rx object */ -static int -bnad_rx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info, - uint rx_id) -{ - int i, err = 0; - - /* All memory needs to be allocated before setup_ccbs */ - for (i = 0; i < BNA_RX_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - err = bnad_mem_alloc(bnad, - &res_info[i].res_u.mem_info); - else if (res_info[i].res_type == BNA_RES_T_INTR) - err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_RX, rx_id, - &res_info[i].res_u.intr_info); - if (err) - goto err_return; - } - return 0; - -err_return: - bnad_rx_res_free(bnad, res_info); - return err; -} - -/* Timer callbacks */ -/* a) IOC timer */ -static void -bnad_ioc_timeout(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bfa_nw_ioc_timeout((void *) &bnad->bna.device.ioc); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -static void -bnad_ioc_hb_check(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bfa_nw_ioc_hb_check((void *) &bnad->bna.device.ioc); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -static void -bnad_iocpf_timeout(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bfa_nw_iocpf_timeout((void *) &bnad->bna.device.ioc); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -static void -bnad_iocpf_sem_timeout(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bfa_nw_iocpf_sem_timeout((void *) &bnad->bna.device.ioc); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -/* - * All timer routines use bnad->bna_lock to protect against - * the following race, which may occur in case of no locking: - * Time CPU m CPU n - * 0 1 = test_bit - * 1 clear_bit - * 2 del_timer_sync - * 3 mod_timer - */ - -/* b) Dynamic Interrupt Moderation Timer */ -static void -bnad_dim_timeout(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - struct bnad_rx_info *rx_info; - struct bnad_rx_ctrl *rx_ctrl; - int i, j; - unsigned long flags; - - if (!netif_carrier_ok(bnad->netdev)) - return; - - spin_lock_irqsave(&bnad->bna_lock, flags); - for (i = 0; i < bnad->num_rx; i++) { - rx_info = &bnad->rx_info[i]; - if (!rx_info->rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - rx_ctrl = &rx_info->rx_ctrl[j]; - if (!rx_ctrl->ccb) - continue; - bna_rx_dim_update(rx_ctrl->ccb); - } - } - - /* Check for BNAD_CF_DIM_ENABLED, does not eleminate a race */ - if (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) - mod_timer(&bnad->dim_timer, - jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ)); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -/* c) Statistics Timer */ -static void -bnad_stats_timeout(unsigned long data) -{ - struct bnad *bnad = (struct bnad *)data; - unsigned long flags; - - if (!netif_running(bnad->netdev) || - !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) - return; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_stats_get(&bnad->bna); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -/* - * Set up timer for DIM - * Called with bnad->bna_lock held - */ -void -bnad_dim_timer_start(struct bnad *bnad) -{ - if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED && - !test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) { - setup_timer(&bnad->dim_timer, bnad_dim_timeout, - (unsigned long)bnad); - set_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags); - mod_timer(&bnad->dim_timer, - jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ)); - } -} - -/* - * Set up timer for statistics - * Called with mutex_lock(&bnad->conf_mutex) held - */ -static void -bnad_stats_timer_start(struct bnad *bnad) -{ - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (!test_and_set_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) { - setup_timer(&bnad->stats_timer, bnad_stats_timeout, - (unsigned long)bnad); - mod_timer(&bnad->stats_timer, - jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ)); - } - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -/* - * Stops the stats timer - * Called with mutex_lock(&bnad->conf_mutex) held - */ -static void -bnad_stats_timer_stop(struct bnad *bnad) -{ - int to_del = 0; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (test_and_clear_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) - to_del = 1; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - if (to_del) - del_timer_sync(&bnad->stats_timer); -} - -/* Utilities */ - -static void -bnad_netdev_mc_list_get(struct net_device *netdev, u8 *mc_list) -{ - int i = 1; /* Index 0 has broadcast address */ - struct netdev_hw_addr *mc_addr; - - netdev_for_each_mc_addr(mc_addr, netdev) { - memcpy(&mc_list[i * ETH_ALEN], &mc_addr->addr[0], - ETH_ALEN); - i++; - } -} - -static int -bnad_napi_poll_rx(struct napi_struct *napi, int budget) -{ - struct bnad_rx_ctrl *rx_ctrl = - container_of(napi, struct bnad_rx_ctrl, napi); - struct bna_ccb *ccb; - struct bnad *bnad; - int rcvd = 0; - - ccb = rx_ctrl->ccb; - - bnad = ccb->bnad; - - if (!netif_carrier_ok(bnad->netdev)) - goto poll_exit; - - rcvd = bnad_poll_cq(bnad, ccb, budget); - if (rcvd == budget) - return rcvd; - -poll_exit: - napi_complete((napi)); - - BNAD_UPDATE_CTR(bnad, netif_rx_complete); - - bnad_enable_rx_irq(bnad, ccb); - return rcvd; -} - -static void -bnad_napi_enable(struct bnad *bnad, u32 rx_id) -{ - struct bnad_rx_ctrl *rx_ctrl; - int i; - - /* Initialize & enable NAPI */ - for (i = 0; i < bnad->num_rxp_per_rx; i++) { - rx_ctrl = &bnad->rx_info[rx_id].rx_ctrl[i]; - - netif_napi_add(bnad->netdev, &rx_ctrl->napi, - bnad_napi_poll_rx, 64); - - napi_enable(&rx_ctrl->napi); - } -} - -static void -bnad_napi_disable(struct bnad *bnad, u32 rx_id) -{ - int i; - - /* First disable and then clean up */ - for (i = 0; i < bnad->num_rxp_per_rx; i++) { - napi_disable(&bnad->rx_info[rx_id].rx_ctrl[i].napi); - netif_napi_del(&bnad->rx_info[rx_id].rx_ctrl[i].napi); - } -} - -/* Should be held with conf_lock held */ -void -bnad_cleanup_tx(struct bnad *bnad, uint tx_id) -{ - struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id]; - struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0]; - unsigned long flags; - - if (!tx_info->tx) - return; - - init_completion(&bnad->bnad_completions.tx_comp); - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_tx_disable(tx_info->tx, BNA_HARD_CLEANUP, bnad_cb_tx_disabled); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - wait_for_completion(&bnad->bnad_completions.tx_comp); - - if (tx_info->tcb[0]->intr_type == BNA_INTR_T_MSIX) - bnad_tx_msix_unregister(bnad, tx_info, - bnad->num_txq_per_tx); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_tx_destroy(tx_info->tx); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - tx_info->tx = NULL; - - if (0 == tx_id) - tasklet_kill(&bnad->tx_free_tasklet); - - bnad_tx_res_free(bnad, res_info); -} - -/* Should be held with conf_lock held */ -int -bnad_setup_tx(struct bnad *bnad, uint tx_id) -{ - int err; - struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id]; - struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0]; - struct bna_intr_info *intr_info = - &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info; - struct bna_tx_config *tx_config = &bnad->tx_config[tx_id]; - struct bna_tx_event_cbfn tx_cbfn; - struct bna_tx *tx; - unsigned long flags; - - /* Initialize the Tx object configuration */ - tx_config->num_txq = bnad->num_txq_per_tx; - tx_config->txq_depth = bnad->txq_depth; - tx_config->tx_type = BNA_TX_T_REGULAR; - - /* Initialize the tx event handlers */ - tx_cbfn.tcb_setup_cbfn = bnad_cb_tcb_setup; - tx_cbfn.tcb_destroy_cbfn = bnad_cb_tcb_destroy; - tx_cbfn.tx_stall_cbfn = bnad_cb_tx_stall; - tx_cbfn.tx_resume_cbfn = bnad_cb_tx_resume; - tx_cbfn.tx_cleanup_cbfn = bnad_cb_tx_cleanup; - - /* Get BNA's resource requirement for one tx object */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_tx_res_req(bnad->num_txq_per_tx, - bnad->txq_depth, res_info); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - /* Fill Unmap Q memory requirements */ - BNAD_FILL_UNMAPQ_MEM_REQ( - &res_info[BNA_TX_RES_MEM_T_UNMAPQ], - bnad->num_txq_per_tx, - BNAD_TX_UNMAPQ_DEPTH); - - /* Allocate resources */ - err = bnad_tx_res_alloc(bnad, res_info, tx_id); - if (err) - return err; - - /* Ask BNA to create one Tx object, supplying required resources */ - spin_lock_irqsave(&bnad->bna_lock, flags); - tx = bna_tx_create(&bnad->bna, bnad, tx_config, &tx_cbfn, res_info, - tx_info); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - if (!tx) - goto err_return; - tx_info->tx = tx; - - /* Register ISR for the Tx object */ - if (intr_info->intr_type == BNA_INTR_T_MSIX) { - err = bnad_tx_msix_register(bnad, tx_info, - tx_id, bnad->num_txq_per_tx); - if (err) - goto err_return; - } - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_tx_enable(tx); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - return 0; - -err_return: - bnad_tx_res_free(bnad, res_info); - return err; -} - -/* Setup the rx config for bna_rx_create */ -/* bnad decides the configuration */ -static void -bnad_init_rx_config(struct bnad *bnad, struct bna_rx_config *rx_config) -{ - rx_config->rx_type = BNA_RX_T_REGULAR; - rx_config->num_paths = bnad->num_rxp_per_rx; - - if (bnad->num_rxp_per_rx > 1) { - rx_config->rss_status = BNA_STATUS_T_ENABLED; - rx_config->rss_config.hash_type = - (BFI_RSS_T_V4_TCP | - BFI_RSS_T_V6_TCP | - BFI_RSS_T_V4_IP | - BFI_RSS_T_V6_IP); - rx_config->rss_config.hash_mask = - bnad->num_rxp_per_rx - 1; - get_random_bytes(rx_config->rss_config.toeplitz_hash_key, - sizeof(rx_config->rss_config.toeplitz_hash_key)); - } else { - rx_config->rss_status = BNA_STATUS_T_DISABLED; - memset(&rx_config->rss_config, 0, - sizeof(rx_config->rss_config)); - } - rx_config->rxp_type = BNA_RXP_SLR; - rx_config->q_depth = bnad->rxq_depth; - - rx_config->small_buff_size = BFI_SMALL_RXBUF_SIZE; - - rx_config->vlan_strip_status = BNA_STATUS_T_ENABLED; -} - -/* Called with mutex_lock(&bnad->conf_mutex) held */ -void -bnad_cleanup_rx(struct bnad *bnad, uint rx_id) -{ - struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id]; - struct bna_rx_config *rx_config = &bnad->rx_config[rx_id]; - struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0]; - unsigned long flags; - int dim_timer_del = 0; - - if (!rx_info->rx) - return; - - if (0 == rx_id) { - spin_lock_irqsave(&bnad->bna_lock, flags); - dim_timer_del = bnad_dim_timer_running(bnad); - if (dim_timer_del) - clear_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - if (dim_timer_del) - del_timer_sync(&bnad->dim_timer); - } - - bnad_napi_disable(bnad, rx_id); - - init_completion(&bnad->bnad_completions.rx_comp); - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_rx_disable(rx_info->rx, BNA_HARD_CLEANUP, bnad_cb_rx_disabled); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - wait_for_completion(&bnad->bnad_completions.rx_comp); - - if (rx_info->rx_ctrl[0].ccb->intr_type == BNA_INTR_T_MSIX) - bnad_rx_msix_unregister(bnad, rx_info, rx_config->num_paths); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_rx_destroy(rx_info->rx); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - rx_info->rx = NULL; - - bnad_rx_res_free(bnad, res_info); -} - -/* Called with mutex_lock(&bnad->conf_mutex) held */ -int -bnad_setup_rx(struct bnad *bnad, uint rx_id) -{ - int err; - struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id]; - struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0]; - struct bna_intr_info *intr_info = - &res_info[BNA_RX_RES_T_INTR].res_u.intr_info; - struct bna_rx_config *rx_config = &bnad->rx_config[rx_id]; - struct bna_rx_event_cbfn rx_cbfn; - struct bna_rx *rx; - unsigned long flags; - - /* Initialize the Rx object configuration */ - bnad_init_rx_config(bnad, rx_config); - - /* Initialize the Rx event handlers */ - rx_cbfn.rcb_setup_cbfn = bnad_cb_rcb_setup; - rx_cbfn.rcb_destroy_cbfn = bnad_cb_rcb_destroy; - rx_cbfn.ccb_setup_cbfn = bnad_cb_ccb_setup; - rx_cbfn.ccb_destroy_cbfn = bnad_cb_ccb_destroy; - rx_cbfn.rx_cleanup_cbfn = bnad_cb_rx_cleanup; - rx_cbfn.rx_post_cbfn = bnad_cb_rx_post; - - /* Get BNA's resource requirement for one Rx object */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_rx_res_req(rx_config, res_info); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - /* Fill Unmap Q memory requirements */ - BNAD_FILL_UNMAPQ_MEM_REQ( - &res_info[BNA_RX_RES_MEM_T_UNMAPQ], - rx_config->num_paths + - ((rx_config->rxp_type == BNA_RXP_SINGLE) ? 0 : - rx_config->num_paths), BNAD_RX_UNMAPQ_DEPTH); - - /* Allocate resource */ - err = bnad_rx_res_alloc(bnad, res_info, rx_id); - if (err) - return err; - - /* Ask BNA to create one Rx object, supplying required resources */ - spin_lock_irqsave(&bnad->bna_lock, flags); - rx = bna_rx_create(&bnad->bna, bnad, rx_config, &rx_cbfn, res_info, - rx_info); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - if (!rx) - goto err_return; - rx_info->rx = rx; - - /* Register ISR for the Rx object */ - if (intr_info->intr_type == BNA_INTR_T_MSIX) { - err = bnad_rx_msix_register(bnad, rx_info, rx_id, - rx_config->num_paths); - if (err) - goto err_return; - } - - /* Enable NAPI */ - bnad_napi_enable(bnad, rx_id); - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (0 == rx_id) { - /* Set up Dynamic Interrupt Moderation Vector */ - if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) - bna_rx_dim_reconfig(&bnad->bna, bna_napi_dim_vector); - - /* Enable VLAN filtering only on the default Rx */ - bna_rx_vlanfilter_enable(rx); - - /* Start the DIM timer */ - bnad_dim_timer_start(bnad); - } - - bna_rx_enable(rx); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - return 0; - -err_return: - bnad_cleanup_rx(bnad, rx_id); - return err; -} - -/* Called with conf_lock & bnad->bna_lock held */ -void -bnad_tx_coalescing_timeo_set(struct bnad *bnad) -{ - struct bnad_tx_info *tx_info; - - tx_info = &bnad->tx_info[0]; - if (!tx_info->tx) - return; - - bna_tx_coalescing_timeo_set(tx_info->tx, bnad->tx_coalescing_timeo); -} - -/* Called with conf_lock & bnad->bna_lock held */ -void -bnad_rx_coalescing_timeo_set(struct bnad *bnad) -{ - struct bnad_rx_info *rx_info; - int i; - - for (i = 0; i < bnad->num_rx; i++) { - rx_info = &bnad->rx_info[i]; - if (!rx_info->rx) - continue; - bna_rx_coalescing_timeo_set(rx_info->rx, - bnad->rx_coalescing_timeo); - } -} - -/* - * Called with bnad->bna_lock held - */ -static int -bnad_mac_addr_set_locked(struct bnad *bnad, u8 *mac_addr) -{ - int ret; - - if (!is_valid_ether_addr(mac_addr)) - return -EADDRNOTAVAIL; - - /* If datapath is down, pretend everything went through */ - if (!bnad->rx_info[0].rx) - return 0; - - ret = bna_rx_ucast_set(bnad->rx_info[0].rx, mac_addr, NULL); - if (ret != BNA_CB_SUCCESS) - return -EADDRNOTAVAIL; - - return 0; -} - -/* Should be called with conf_lock held */ -static int -bnad_enable_default_bcast(struct bnad *bnad) -{ - struct bnad_rx_info *rx_info = &bnad->rx_info[0]; - int ret; - unsigned long flags; - - init_completion(&bnad->bnad_completions.mcast_comp); - - spin_lock_irqsave(&bnad->bna_lock, flags); - ret = bna_rx_mcast_add(rx_info->rx, (u8 *)bnad_bcast_addr, - bnad_cb_rx_mcast_add); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - if (ret == BNA_CB_SUCCESS) - wait_for_completion(&bnad->bnad_completions.mcast_comp); - else - return -ENODEV; - - if (bnad->bnad_completions.mcast_comp_status != BNA_CB_SUCCESS) - return -ENODEV; - - return 0; -} - -/* Called with bnad_conf_lock() held */ -static void -bnad_restore_vlans(struct bnad *bnad, u32 rx_id) -{ - u16 vid; - unsigned long flags; - - BUG_ON(!(VLAN_N_VID == (BFI_MAX_VLAN + 1))); - - for_each_set_bit(vid, bnad->active_vlans, VLAN_N_VID) { - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_rx_vlan_add(bnad->rx_info[rx_id].rx, vid); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - } -} - -/* Statistics utilities */ -void -bnad_netdev_qstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats) -{ - int i, j; - - for (i = 0; i < bnad->num_rx; i++) { - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - if (bnad->rx_info[i].rx_ctrl[j].ccb) { - stats->rx_packets += bnad->rx_info[i]. - rx_ctrl[j].ccb->rcb[0]->rxq->rx_packets; - stats->rx_bytes += bnad->rx_info[i]. - rx_ctrl[j].ccb->rcb[0]->rxq->rx_bytes; - if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && - bnad->rx_info[i].rx_ctrl[j].ccb-> - rcb[1]->rxq) { - stats->rx_packets += - bnad->rx_info[i].rx_ctrl[j]. - ccb->rcb[1]->rxq->rx_packets; - stats->rx_bytes += - bnad->rx_info[i].rx_ctrl[j]. - ccb->rcb[1]->rxq->rx_bytes; - } - } - } - } - for (i = 0; i < bnad->num_tx; i++) { - for (j = 0; j < bnad->num_txq_per_tx; j++) { - if (bnad->tx_info[i].tcb[j]) { - stats->tx_packets += - bnad->tx_info[i].tcb[j]->txq->tx_packets; - stats->tx_bytes += - bnad->tx_info[i].tcb[j]->txq->tx_bytes; - } - } - } -} - -/* - * Must be called with the bna_lock held. - */ -void -bnad_netdev_hwstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats) -{ - struct bfi_ll_stats_mac *mac_stats; - u64 bmap; - int i; - - mac_stats = &bnad->stats.bna_stats->hw_stats->mac_stats; - stats->rx_errors = - mac_stats->rx_fcs_error + mac_stats->rx_alignment_error + - mac_stats->rx_frame_length_error + mac_stats->rx_code_error + - mac_stats->rx_undersize; - stats->tx_errors = mac_stats->tx_fcs_error + - mac_stats->tx_undersize; - stats->rx_dropped = mac_stats->rx_drop; - stats->tx_dropped = mac_stats->tx_drop; - stats->multicast = mac_stats->rx_multicast; - stats->collisions = mac_stats->tx_total_collision; - - stats->rx_length_errors = mac_stats->rx_frame_length_error; - - /* receive ring buffer overflow ?? */ - - stats->rx_crc_errors = mac_stats->rx_fcs_error; - stats->rx_frame_errors = mac_stats->rx_alignment_error; - /* recv'r fifo overrun */ - bmap = (u64)bnad->stats.bna_stats->rxf_bmap[0] | - ((u64)bnad->stats.bna_stats->rxf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { - if (bmap & 1) { - stats->rx_fifo_errors += - bnad->stats.bna_stats-> - hw_stats->rxf_stats[i].frame_drops; - break; - } - bmap >>= 1; - } -} - -static void -bnad_mbox_irq_sync(struct bnad *bnad) -{ - u32 irq; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (bnad->cfg_flags & BNAD_CF_MSIX) - irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector; - else - irq = bnad->pcidev->irq; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - synchronize_irq(irq); -} - -/* Utility used by bnad_start_xmit, for doing TSO */ -static int -bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb) -{ - int err; - - /* SKB_GSO_TCPV4 and SKB_GSO_TCPV6 is defined since 2.6.18. */ - BUG_ON(!(skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4 || - skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)); - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) { - BNAD_UPDATE_CTR(bnad, tso_err); - return err; - } - } - - /* - * For TSO, the TCP checksum field is seeded with pseudo-header sum - * excluding the length field. - */ - if (skb->protocol == htons(ETH_P_IP)) { - struct iphdr *iph = ip_hdr(skb); - - /* Do we really need these? */ - iph->tot_len = 0; - iph->check = 0; - - tcp_hdr(skb)->check = - ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0, - IPPROTO_TCP, 0); - BNAD_UPDATE_CTR(bnad, tso4); - } else { - struct ipv6hdr *ipv6h = ipv6_hdr(skb); - - BUG_ON(!(skb->protocol == htons(ETH_P_IPV6))); - ipv6h->payload_len = 0; - tcp_hdr(skb)->check = - ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, 0, - IPPROTO_TCP, 0); - BNAD_UPDATE_CTR(bnad, tso6); - } - - return 0; -} - -/* - * Initialize Q numbers depending on Rx Paths - * Called with bnad->bna_lock held, because of cfg_flags - * access. - */ -static void -bnad_q_num_init(struct bnad *bnad) -{ - int rxps; - - rxps = min((uint)num_online_cpus(), - (uint)(BNAD_MAX_RXS * BNAD_MAX_RXPS_PER_RX)); - - if (!(bnad->cfg_flags & BNAD_CF_MSIX)) - rxps = 1; /* INTx */ - - bnad->num_rx = 1; - bnad->num_tx = 1; - bnad->num_rxp_per_rx = rxps; - bnad->num_txq_per_tx = BNAD_TXQ_NUM; -} - -/* - * Adjusts the Q numbers, given a number of msix vectors - * Give preference to RSS as opposed to Tx priority Queues, - * in such a case, just use 1 Tx Q - * Called with bnad->bna_lock held b'cos of cfg_flags access - */ -static void -bnad_q_num_adjust(struct bnad *bnad, int msix_vectors) -{ - bnad->num_txq_per_tx = 1; - if ((msix_vectors >= (bnad->num_tx * bnad->num_txq_per_tx) + - bnad_rxqs_per_cq + BNAD_MAILBOX_MSIX_VECTORS) && - (bnad->cfg_flags & BNAD_CF_MSIX)) { - bnad->num_rxp_per_rx = msix_vectors - - (bnad->num_tx * bnad->num_txq_per_tx) - - BNAD_MAILBOX_MSIX_VECTORS; - } else - bnad->num_rxp_per_rx = 1; -} - -/* Enable / disable device */ -static void -bnad_device_disable(struct bnad *bnad) -{ - unsigned long flags; - - init_completion(&bnad->bnad_completions.ioc_comp); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_device_disable(&bnad->bna.device, BNA_HARD_CLEANUP); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - wait_for_completion(&bnad->bnad_completions.ioc_comp); -} - -static int -bnad_device_enable(struct bnad *bnad) -{ - int err = 0; - unsigned long flags; - - init_completion(&bnad->bnad_completions.ioc_comp); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_device_enable(&bnad->bna.device); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - wait_for_completion(&bnad->bnad_completions.ioc_comp); - - if (bnad->bnad_completions.ioc_comp_status) - err = bnad->bnad_completions.ioc_comp_status; - - return err; -} - -/* Free BNA resources */ -static void -bnad_res_free(struct bnad *bnad) -{ - int i; - struct bna_res_info *res_info = &bnad->res_info[0]; - - for (i = 0; i < BNA_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - bnad_mem_free(bnad, &res_info[i].res_u.mem_info); - else - bnad_mbox_irq_free(bnad, &res_info[i].res_u.intr_info); - } -} - -/* Allocates memory and interrupt resources for BNA */ -static int -bnad_res_alloc(struct bnad *bnad) -{ - int i, err; - struct bna_res_info *res_info = &bnad->res_info[0]; - - for (i = 0; i < BNA_RES_T_MAX; i++) { - if (res_info[i].res_type == BNA_RES_T_MEM) - err = bnad_mem_alloc(bnad, &res_info[i].res_u.mem_info); - else - err = bnad_mbox_irq_alloc(bnad, - &res_info[i].res_u.intr_info); - if (err) - goto err_return; - } - return 0; - -err_return: - bnad_res_free(bnad); - return err; -} - -/* Interrupt enable / disable */ -static void -bnad_enable_msix(struct bnad *bnad) -{ - int i, ret; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (!(bnad->cfg_flags & BNAD_CF_MSIX)) { - spin_unlock_irqrestore(&bnad->bna_lock, flags); - return; - } - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - if (bnad->msix_table) - return; - - bnad->msix_table = - kcalloc(bnad->msix_num, sizeof(struct msix_entry), GFP_KERNEL); - - if (!bnad->msix_table) - goto intx_mode; - - for (i = 0; i < bnad->msix_num; i++) - bnad->msix_table[i].entry = i; - - ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num); - if (ret > 0) { - /* Not enough MSI-X vectors. */ - - spin_lock_irqsave(&bnad->bna_lock, flags); - /* ret = #of vectors that we got */ - bnad_q_num_adjust(bnad, ret); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx) - + (bnad->num_rx - * bnad->num_rxp_per_rx) + - BNAD_MAILBOX_MSIX_VECTORS; - - /* Try once more with adjusted numbers */ - /* If this fails, fall back to INTx */ - ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, - bnad->msix_num); - if (ret) - goto intx_mode; - - } else if (ret < 0) - goto intx_mode; - return; - -intx_mode: - - kfree(bnad->msix_table); - bnad->msix_table = NULL; - bnad->msix_num = 0; - spin_lock_irqsave(&bnad->bna_lock, flags); - bnad->cfg_flags &= ~BNAD_CF_MSIX; - bnad_q_num_init(bnad); - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -static void -bnad_disable_msix(struct bnad *bnad) -{ - u32 cfg_flags; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - cfg_flags = bnad->cfg_flags; - if (bnad->cfg_flags & BNAD_CF_MSIX) - bnad->cfg_flags &= ~BNAD_CF_MSIX; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - if (cfg_flags & BNAD_CF_MSIX) { - pci_disable_msix(bnad->pcidev); - kfree(bnad->msix_table); - bnad->msix_table = NULL; - } -} - -/* Netdev entry points */ -static int -bnad_open(struct net_device *netdev) -{ - int err; - struct bnad *bnad = netdev_priv(netdev); - struct bna_pause_config pause_config; - int mtu; - unsigned long flags; - - mutex_lock(&bnad->conf_mutex); - - /* Tx */ - err = bnad_setup_tx(bnad, 0); - if (err) - goto err_return; - - /* Rx */ - err = bnad_setup_rx(bnad, 0); - if (err) - goto cleanup_tx; - - /* Port */ - pause_config.tx_pause = 0; - pause_config.rx_pause = 0; - - mtu = ETH_HLEN + bnad->netdev->mtu + ETH_FCS_LEN; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_port_mtu_set(&bnad->bna.port, mtu, NULL); - bna_port_pause_config(&bnad->bna.port, &pause_config, NULL); - bna_port_enable(&bnad->bna.port); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - /* Enable broadcast */ - bnad_enable_default_bcast(bnad); - - /* Restore VLANs, if any */ - bnad_restore_vlans(bnad, 0); - - /* Set the UCAST address */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bnad_mac_addr_set_locked(bnad, netdev->dev_addr); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - /* Start the stats timer */ - bnad_stats_timer_start(bnad); - - mutex_unlock(&bnad->conf_mutex); - - return 0; - -cleanup_tx: - bnad_cleanup_tx(bnad, 0); - -err_return: - mutex_unlock(&bnad->conf_mutex); - return err; -} - -static int -bnad_stop(struct net_device *netdev) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - - mutex_lock(&bnad->conf_mutex); - - /* Stop the stats timer */ - bnad_stats_timer_stop(bnad); - - init_completion(&bnad->bnad_completions.port_comp); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_port_disable(&bnad->bna.port, BNA_HARD_CLEANUP, - bnad_cb_port_disabled); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - wait_for_completion(&bnad->bnad_completions.port_comp); - - bnad_cleanup_tx(bnad, 0); - bnad_cleanup_rx(bnad, 0); - - /* Synchronize mailbox IRQ */ - bnad_mbox_irq_sync(bnad); - - mutex_unlock(&bnad->conf_mutex); - - return 0; -} - -/* TX */ -/* - * bnad_start_xmit : Netdev entry point for Transmit - * Called under lock held by net_device - */ -static netdev_tx_t -bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) -{ - struct bnad *bnad = netdev_priv(netdev); - - u16 txq_prod, vlan_tag = 0; - u32 unmap_prod, wis, wis_used, wi_range; - u32 vectors, vect_id, i, acked; - u32 tx_id; - int err; - - struct bnad_tx_info *tx_info; - struct bna_tcb *tcb; - struct bnad_unmap_q *unmap_q; - dma_addr_t dma_addr; - struct bna_txq_entry *txqent; - bna_txq_wi_ctrl_flag_t flags; - - if (unlikely - (skb->len <= ETH_HLEN || skb->len > BFI_TX_MAX_DATA_PER_PKT)) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - tx_id = 0; - - tx_info = &bnad->tx_info[tx_id]; - tcb = tx_info->tcb[tx_id]; - unmap_q = tcb->unmap_q; - - /* - * Takes care of the Tx that is scheduled between clearing the flag - * and the netif_stop_queue() call. - */ - if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - vectors = 1 + skb_shinfo(skb)->nr_frags; - if (vectors > BFI_TX_MAX_VECTORS_PER_PKT) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - wis = BNA_TXQ_WI_NEEDED(vectors); /* 4 vectors per work item */ - acked = 0; - if (unlikely - (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) || - vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) { - if ((u16) (*tcb->hw_consumer_index) != - tcb->consumer_index && - !test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) { - acked = bnad_free_txbufs(bnad, tcb); - if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) - bna_ib_ack(tcb->i_dbell, acked); - smp_mb__before_clear_bit(); - clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); - } else { - netif_stop_queue(netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_stop); - } - - smp_mb(); - /* - * Check again to deal with race condition between - * netif_stop_queue here, and netif_wake_queue in - * interrupt handler which is not inside netif tx lock. - */ - if (likely - (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) || - vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) { - BNAD_UPDATE_CTR(bnad, netif_queue_stop); - return NETDEV_TX_BUSY; - } else { - netif_wake_queue(netdev); - BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); - } - } - - unmap_prod = unmap_q->producer_index; - wis_used = 1; - vect_id = 0; - flags = 0; - - txq_prod = tcb->producer_index; - BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, txqent, wi_range); - BUG_ON(!(wi_range <= tcb->q_depth)); - txqent->hdr.wi.reserved = 0; - txqent->hdr.wi.num_vectors = vectors; - txqent->hdr.wi.opcode = - htons((skb_is_gso(skb) ? BNA_TXQ_WI_SEND_LSO : - BNA_TXQ_WI_SEND)); - - if (vlan_tx_tag_present(skb)) { - vlan_tag = (u16) vlan_tx_tag_get(skb); - flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN); - } - if (test_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags)) { - vlan_tag = - (tcb->priority & 0x7) << 13 | (vlan_tag & 0x1fff); - flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN); - } - - txqent->hdr.wi.vlan_tag = htons(vlan_tag); - - if (skb_is_gso(skb)) { - err = bnad_tso_prepare(bnad, skb); - if (err) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - txqent->hdr.wi.lso_mss = htons(skb_is_gso(skb)); - flags |= (BNA_TXQ_WI_CF_IP_CKSUM | BNA_TXQ_WI_CF_TCP_CKSUM); - txqent->hdr.wi.l4_hdr_size_n_offset = - htons(BNA_TXQ_WI_L4_HDR_N_OFFSET - (tcp_hdrlen(skb) >> 2, - skb_transport_offset(skb))); - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - u8 proto = 0; - - txqent->hdr.wi.lso_mss = 0; - - if (skb->protocol == htons(ETH_P_IP)) - proto = ip_hdr(skb)->protocol; - else if (skb->protocol == htons(ETH_P_IPV6)) { - /* nexthdr may not be TCP immediately. */ - proto = ipv6_hdr(skb)->nexthdr; - } - if (proto == IPPROTO_TCP) { - flags |= BNA_TXQ_WI_CF_TCP_CKSUM; - txqent->hdr.wi.l4_hdr_size_n_offset = - htons(BNA_TXQ_WI_L4_HDR_N_OFFSET - (0, skb_transport_offset(skb))); - - BNAD_UPDATE_CTR(bnad, tcpcsum_offload); - - BUG_ON(!(skb_headlen(skb) >= - skb_transport_offset(skb) + tcp_hdrlen(skb))); - - } else if (proto == IPPROTO_UDP) { - flags |= BNA_TXQ_WI_CF_UDP_CKSUM; - txqent->hdr.wi.l4_hdr_size_n_offset = - htons(BNA_TXQ_WI_L4_HDR_N_OFFSET - (0, skb_transport_offset(skb))); - - BNAD_UPDATE_CTR(bnad, udpcsum_offload); - - BUG_ON(!(skb_headlen(skb) >= - skb_transport_offset(skb) + - sizeof(struct udphdr))); - } else { - err = skb_checksum_help(skb); - BNAD_UPDATE_CTR(bnad, csum_help); - if (err) { - dev_kfree_skb(skb); - BNAD_UPDATE_CTR(bnad, csum_help_err); - return NETDEV_TX_OK; - } - } - } else { - txqent->hdr.wi.lso_mss = 0; - txqent->hdr.wi.l4_hdr_size_n_offset = 0; - } - - txqent->hdr.wi.flags = htons(flags); - - txqent->hdr.wi.frame_length = htonl(skb->len); - - unmap_q->unmap_array[unmap_prod].skb = skb; - BUG_ON(!(skb_headlen(skb) <= BFI_TX_MAX_DATA_PER_VECTOR)); - txqent->vector[vect_id].length = htons(skb_headlen(skb)); - dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr, - dma_addr); - - BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr); - BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; - u32 size = frag->size; - - if (++vect_id == BFI_TX_MAX_VECTORS_PER_WI) { - vect_id = 0; - if (--wi_range) - txqent++; - else { - BNA_QE_INDX_ADD(txq_prod, wis_used, - tcb->q_depth); - wis_used = 0; - BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, - txqent, wi_range); - BUG_ON(!(wi_range <= tcb->q_depth)); - } - wis_used++; - txqent->hdr.wi_ext.opcode = htons(BNA_TXQ_WI_EXTENSION); - } - - BUG_ON(!(size <= BFI_TX_MAX_DATA_PER_VECTOR)); - txqent->vector[vect_id].length = htons(size); - dma_addr = dma_map_page(&bnad->pcidev->dev, frag->page, - frag->page_offset, size, DMA_TO_DEVICE); - dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr, - dma_addr); - BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr); - BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); - } - - unmap_q->producer_index = unmap_prod; - BNA_QE_INDX_ADD(txq_prod, wis_used, tcb->q_depth); - tcb->producer_index = txq_prod; - - smp_mb(); - - if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) - return NETDEV_TX_OK; - - bna_txq_prod_indx_doorbell(tcb); - - if ((u16) (*tcb->hw_consumer_index) != tcb->consumer_index) - tasklet_schedule(&bnad->tx_free_tasklet); - - return NETDEV_TX_OK; -} - -/* - * Used spin_lock to synchronize reading of stats structures, which - * is written by BNA under the same lock. - */ -static struct rtnl_link_stats64 * -bnad_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - - bnad_netdev_qstats_fill(bnad, stats); - bnad_netdev_hwstats_fill(bnad, stats); - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - return stats; -} - -static void -bnad_set_rx_mode(struct net_device *netdev) -{ - struct bnad *bnad = netdev_priv(netdev); - u32 new_mask, valid_mask; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - - new_mask = valid_mask = 0; - - if (netdev->flags & IFF_PROMISC) { - if (!(bnad->cfg_flags & BNAD_CF_PROMISC)) { - new_mask = BNAD_RXMODE_PROMISC_DEFAULT; - valid_mask = BNAD_RXMODE_PROMISC_DEFAULT; - bnad->cfg_flags |= BNAD_CF_PROMISC; - } - } else { - if (bnad->cfg_flags & BNAD_CF_PROMISC) { - new_mask = ~BNAD_RXMODE_PROMISC_DEFAULT; - valid_mask = BNAD_RXMODE_PROMISC_DEFAULT; - bnad->cfg_flags &= ~BNAD_CF_PROMISC; - } - } - - if (netdev->flags & IFF_ALLMULTI) { - if (!(bnad->cfg_flags & BNAD_CF_ALLMULTI)) { - new_mask |= BNA_RXMODE_ALLMULTI; - valid_mask |= BNA_RXMODE_ALLMULTI; - bnad->cfg_flags |= BNAD_CF_ALLMULTI; - } - } else { - if (bnad->cfg_flags & BNAD_CF_ALLMULTI) { - new_mask &= ~BNA_RXMODE_ALLMULTI; - valid_mask |= BNA_RXMODE_ALLMULTI; - bnad->cfg_flags &= ~BNAD_CF_ALLMULTI; - } - } - - bna_rx_mode_set(bnad->rx_info[0].rx, new_mask, valid_mask, NULL); - - if (!netdev_mc_empty(netdev)) { - u8 *mcaddr_list; - int mc_count = netdev_mc_count(netdev); - - /* Index 0 holds the broadcast address */ - mcaddr_list = - kzalloc((mc_count + 1) * ETH_ALEN, - GFP_ATOMIC); - if (!mcaddr_list) - goto unlock; - - memcpy(&mcaddr_list[0], &bnad_bcast_addr[0], ETH_ALEN); - - /* Copy rest of the MC addresses */ - bnad_netdev_mc_list_get(netdev, mcaddr_list); - - bna_rx_mcast_listset(bnad->rx_info[0].rx, mc_count + 1, - mcaddr_list, NULL); - - /* Should we enable BNAD_CF_ALLMULTI for err != 0 ? */ - kfree(mcaddr_list); - } -unlock: - spin_unlock_irqrestore(&bnad->bna_lock, flags); -} - -/* - * bna_lock is used to sync writes to netdev->addr - * conf_lock cannot be used since this call may be made - * in a non-blocking context. - */ -static int -bnad_set_mac_address(struct net_device *netdev, void *mac_addr) -{ - int err; - struct bnad *bnad = netdev_priv(netdev); - struct sockaddr *sa = (struct sockaddr *)mac_addr; - unsigned long flags; - - spin_lock_irqsave(&bnad->bna_lock, flags); - - err = bnad_mac_addr_set_locked(bnad, sa->sa_data); - - if (!err) - memcpy(netdev->dev_addr, sa->sa_data, netdev->addr_len); - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - return err; -} - -static int -bnad_change_mtu(struct net_device *netdev, int new_mtu) -{ - int mtu, err = 0; - unsigned long flags; - - struct bnad *bnad = netdev_priv(netdev); - - if (new_mtu + ETH_HLEN < ETH_ZLEN || new_mtu > BNAD_JUMBO_MTU) - return -EINVAL; - - mutex_lock(&bnad->conf_mutex); - - netdev->mtu = new_mtu; - - mtu = ETH_HLEN + new_mtu + ETH_FCS_LEN; - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_port_mtu_set(&bnad->bna.port, mtu, NULL); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); - return err; -} - -static void -bnad_vlan_rx_add_vid(struct net_device *netdev, - unsigned short vid) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - - if (!bnad->rx_info[0].rx) - return; - - mutex_lock(&bnad->conf_mutex); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_rx_vlan_add(bnad->rx_info[0].rx, vid); - set_bit(vid, bnad->active_vlans); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); -} - -static void -bnad_vlan_rx_kill_vid(struct net_device *netdev, - unsigned short vid) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - - if (!bnad->rx_info[0].rx) - return; - - mutex_lock(&bnad->conf_mutex); - - spin_lock_irqsave(&bnad->bna_lock, flags); - clear_bit(vid, bnad->active_vlans); - bna_rx_vlan_del(bnad->rx_info[0].rx, vid); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void -bnad_netpoll(struct net_device *netdev) -{ - struct bnad *bnad = netdev_priv(netdev); - struct bnad_rx_info *rx_info; - struct bnad_rx_ctrl *rx_ctrl; - u32 curr_mask; - int i, j; - - if (!(bnad->cfg_flags & BNAD_CF_MSIX)) { - bna_intx_disable(&bnad->bna, curr_mask); - bnad_isr(bnad->pcidev->irq, netdev); - bna_intx_enable(&bnad->bna, curr_mask); - } else { - for (i = 0; i < bnad->num_rx; i++) { - rx_info = &bnad->rx_info[i]; - if (!rx_info->rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - rx_ctrl = &rx_info->rx_ctrl[j]; - if (rx_ctrl->ccb) { - bnad_disable_rx_irq(bnad, - rx_ctrl->ccb); - bnad_netif_rx_schedule_poll(bnad, - rx_ctrl->ccb); - } - } - } - } -} -#endif - -static const struct net_device_ops bnad_netdev_ops = { - .ndo_open = bnad_open, - .ndo_stop = bnad_stop, - .ndo_start_xmit = bnad_start_xmit, - .ndo_get_stats64 = bnad_get_stats64, - .ndo_set_rx_mode = bnad_set_rx_mode, - .ndo_set_multicast_list = bnad_set_rx_mode, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = bnad_set_mac_address, - .ndo_change_mtu = bnad_change_mtu, - .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = bnad_netpoll -#endif -}; - -static void -bnad_netdev_init(struct bnad *bnad, bool using_dac) -{ - struct net_device *netdev = bnad->netdev; - - netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_TX; - - netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA | - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6; - - netdev->features |= netdev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; - - if (using_dac) - netdev->features |= NETIF_F_HIGHDMA; - - netdev->mem_start = bnad->mmio_start; - netdev->mem_end = bnad->mmio_start + bnad->mmio_len - 1; - - netdev->netdev_ops = &bnad_netdev_ops; - bnad_set_ethtool_ops(netdev); -} - -/* - * 1. Initialize the bnad structure - * 2. Setup netdev pointer in pci_dev - * 3. Initialze Tx free tasklet - * 4. Initialize no. of TxQ & CQs & MSIX vectors - */ -static int -bnad_init(struct bnad *bnad, - struct pci_dev *pdev, struct net_device *netdev) -{ - unsigned long flags; - - SET_NETDEV_DEV(netdev, &pdev->dev); - pci_set_drvdata(pdev, netdev); - - bnad->netdev = netdev; - bnad->pcidev = pdev; - bnad->mmio_start = pci_resource_start(pdev, 0); - bnad->mmio_len = pci_resource_len(pdev, 0); - bnad->bar0 = ioremap_nocache(bnad->mmio_start, bnad->mmio_len); - if (!bnad->bar0) { - dev_err(&pdev->dev, "ioremap for bar0 failed\n"); - pci_set_drvdata(pdev, NULL); - return -ENOMEM; - } - pr_info("bar0 mapped to %p, len %llu\n", bnad->bar0, - (unsigned long long) bnad->mmio_len); - - spin_lock_irqsave(&bnad->bna_lock, flags); - if (!bnad_msix_disable) - bnad->cfg_flags = BNAD_CF_MSIX; - - bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; - - bnad_q_num_init(bnad); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx) + - (bnad->num_rx * bnad->num_rxp_per_rx) + - BNAD_MAILBOX_MSIX_VECTORS; - - bnad->txq_depth = BNAD_TXQ_DEPTH; - bnad->rxq_depth = BNAD_RXQ_DEPTH; - - bnad->tx_coalescing_timeo = BFI_TX_COALESCING_TIMEO; - bnad->rx_coalescing_timeo = BFI_RX_COALESCING_TIMEO; - - tasklet_init(&bnad->tx_free_tasklet, bnad_tx_free_tasklet, - (unsigned long)bnad); - - return 0; -} - -/* - * Must be called after bnad_pci_uninit() - * so that iounmap() and pci_set_drvdata(NULL) - * happens only after PCI uninitialization. - */ -static void -bnad_uninit(struct bnad *bnad) -{ - if (bnad->bar0) - iounmap(bnad->bar0); - pci_set_drvdata(bnad->pcidev, NULL); -} - -/* - * Initialize locks - a) Per device mutes used for serializing configuration - changes from OS interface - b) spin lock used to protect bna state machine - */ -static void -bnad_lock_init(struct bnad *bnad) -{ - spin_lock_init(&bnad->bna_lock); - mutex_init(&bnad->conf_mutex); -} - -static void -bnad_lock_uninit(struct bnad *bnad) -{ - mutex_destroy(&bnad->conf_mutex); -} - -/* PCI Initialization */ -static int -bnad_pci_init(struct bnad *bnad, - struct pci_dev *pdev, bool *using_dac) -{ - int err; - - err = pci_enable_device(pdev); - if (err) - return err; - err = pci_request_regions(pdev, BNAD_NAME); - if (err) - goto disable_device; - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && - !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { - *using_dac = 1; - } else { - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - err = dma_set_coherent_mask(&pdev->dev, - DMA_BIT_MASK(32)); - if (err) - goto release_regions; - } - *using_dac = 0; - } - pci_set_master(pdev); - return 0; - -release_regions: - pci_release_regions(pdev); -disable_device: - pci_disable_device(pdev); - - return err; -} - -static void -bnad_pci_uninit(struct pci_dev *pdev) -{ - pci_release_regions(pdev); - pci_disable_device(pdev); -} - -static int __devinit -bnad_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *pcidev_id) -{ - bool using_dac = false; - int err; - struct bnad *bnad; - struct bna *bna; - struct net_device *netdev; - struct bfa_pcidev pcidev_info; - unsigned long flags; - - pr_info("bnad_pci_probe : (0x%p, 0x%p) PCI Func : (%d)\n", - pdev, pcidev_id, PCI_FUNC(pdev->devfn)); - - mutex_lock(&bnad_fwimg_mutex); - if (!cna_get_firmware_buf(pdev)) { - mutex_unlock(&bnad_fwimg_mutex); - pr_warn("Failed to load Firmware Image!\n"); - return -ENODEV; - } - mutex_unlock(&bnad_fwimg_mutex); - - /* - * Allocates sizeof(struct net_device + struct bnad) - * bnad = netdev->priv - */ - netdev = alloc_etherdev(sizeof(struct bnad)); - if (!netdev) { - dev_err(&pdev->dev, "alloc_etherdev failed\n"); - err = -ENOMEM; - return err; - } - bnad = netdev_priv(netdev); - - /* - * PCI initialization - * Output : using_dac = 1 for 64 bit DMA - * = 0 for 32 bit DMA - */ - err = bnad_pci_init(bnad, pdev, &using_dac); - if (err) - goto free_netdev; - - bnad_lock_init(bnad); - /* - * Initialize bnad structure - * Setup relation between pci_dev & netdev - * Init Tx free tasklet - */ - err = bnad_init(bnad, pdev, netdev); - if (err) - goto pci_uninit; - /* Initialize netdev structure, set up ethtool ops */ - bnad_netdev_init(bnad, using_dac); - - /* Set link to down state */ - netif_carrier_off(netdev); - - bnad_enable_msix(bnad); - - /* Get resource requirement form bna */ - bna_res_req(&bnad->res_info[0]); - - /* Allocate resources from bna */ - err = bnad_res_alloc(bnad); - if (err) - goto free_netdev; - - bna = &bnad->bna; - - /* Setup pcidev_info for bna_init() */ - pcidev_info.pci_slot = PCI_SLOT(bnad->pcidev->devfn); - pcidev_info.pci_func = PCI_FUNC(bnad->pcidev->devfn); - pcidev_info.device_id = bnad->pcidev->device; - pcidev_info.pci_bar_kva = bnad->bar0; - - mutex_lock(&bnad->conf_mutex); - - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_init(bna, bnad, &pcidev_info, &bnad->res_info[0]); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - bnad->stats.bna_stats = &bna->stats; - - /* Set up timers */ - setup_timer(&bnad->bna.device.ioc.ioc_timer, bnad_ioc_timeout, - ((unsigned long)bnad)); - setup_timer(&bnad->bna.device.ioc.hb_timer, bnad_ioc_hb_check, - ((unsigned long)bnad)); - setup_timer(&bnad->bna.device.ioc.iocpf_timer, bnad_iocpf_timeout, - ((unsigned long)bnad)); - setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_iocpf_sem_timeout, - ((unsigned long)bnad)); - - /* Now start the timer before calling IOC */ - mod_timer(&bnad->bna.device.ioc.iocpf_timer, - jiffies + msecs_to_jiffies(BNA_IOC_TIMER_FREQ)); - - /* - * Start the chip - * Don't care even if err != 0, bna state machine will - * deal with it - */ - err = bnad_device_enable(bnad); - - /* Get the burnt-in mac */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_port_mac_get(&bna->port, &bnad->perm_addr); - bnad_set_netdev_perm_addr(bnad); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); - - /* Finally, reguister with net_device layer */ - err = register_netdev(netdev); - if (err) { - pr_err("BNA : Registering with netdev failed\n"); - goto disable_device; - } - - return 0; - -disable_device: - mutex_lock(&bnad->conf_mutex); - bnad_device_disable(bnad); - del_timer_sync(&bnad->bna.device.ioc.ioc_timer); - del_timer_sync(&bnad->bna.device.ioc.sem_timer); - del_timer_sync(&bnad->bna.device.ioc.hb_timer); - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_uninit(bna); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - mutex_unlock(&bnad->conf_mutex); - - bnad_res_free(bnad); - bnad_disable_msix(bnad); -pci_uninit: - bnad_pci_uninit(pdev); - bnad_lock_uninit(bnad); - bnad_uninit(bnad); -free_netdev: - free_netdev(netdev); - return err; -} - -static void __devexit -bnad_pci_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct bnad *bnad; - struct bna *bna; - unsigned long flags; - - if (!netdev) - return; - - pr_info("%s bnad_pci_remove\n", netdev->name); - bnad = netdev_priv(netdev); - bna = &bnad->bna; - - unregister_netdev(netdev); - - mutex_lock(&bnad->conf_mutex); - bnad_device_disable(bnad); - del_timer_sync(&bnad->bna.device.ioc.ioc_timer); - del_timer_sync(&bnad->bna.device.ioc.sem_timer); - del_timer_sync(&bnad->bna.device.ioc.hb_timer); - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_uninit(bna); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - mutex_unlock(&bnad->conf_mutex); - - bnad_res_free(bnad); - bnad_disable_msix(bnad); - bnad_pci_uninit(pdev); - bnad_lock_uninit(bnad); - bnad_uninit(bnad); - free_netdev(netdev); -} - -static DEFINE_PCI_DEVICE_TABLE(bnad_pci_id_table) = { - { - PCI_DEVICE(PCI_VENDOR_ID_BROCADE, - PCI_DEVICE_ID_BROCADE_CT), - .class = PCI_CLASS_NETWORK_ETHERNET << 8, - .class_mask = 0xffff00 - }, {0, } -}; - -MODULE_DEVICE_TABLE(pci, bnad_pci_id_table); - -static struct pci_driver bnad_pci_driver = { - .name = BNAD_NAME, - .id_table = bnad_pci_id_table, - .probe = bnad_pci_probe, - .remove = __devexit_p(bnad_pci_remove), -}; - -static int __init -bnad_module_init(void) -{ - int err; - - pr_info("Brocade 10G Ethernet driver - version: %s\n", - BNAD_VERSION); - - bfa_nw_ioc_auto_recover(bnad_ioc_auto_recover); - - err = pci_register_driver(&bnad_pci_driver); - if (err < 0) { - pr_err("bna : PCI registration failed in module init " - "(%d)\n", err); - return err; - } - - return 0; -} - -static void __exit -bnad_module_exit(void) -{ - pci_unregister_driver(&bnad_pci_driver); - - if (bfi_fw) - release_firmware(bfi_fw); -} - -module_init(bnad_module_init); -module_exit(bnad_module_exit); - -MODULE_AUTHOR("Brocade"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Brocade 10G PCIe Ethernet driver"); -MODULE_VERSION(BNAD_VERSION); -MODULE_FIRMWARE(CNA_FW_FILE_CT); diff --git a/drivers/net/bna/bnad.h b/drivers/net/bna/bnad.h deleted file mode 100644 index 458eb30371b5..000000000000 --- a/drivers/net/bna/bnad.h +++ /dev/null @@ -1,341 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#ifndef __BNAD_H__ -#define __BNAD_H__ - -#include -#include -#include -#include -#include -#include -#include - -/* Fix for IA64 */ -#include -#include - -#include -#include - -#include "bna.h" - -#define BNAD_TXQ_DEPTH 2048 -#define BNAD_RXQ_DEPTH 2048 - -#define BNAD_MAX_TXS 1 -#define BNAD_MAX_TXQ_PER_TX 8 /* 8 priority queues */ -#define BNAD_TXQ_NUM 1 - -#define BNAD_MAX_RXS 1 -#define BNAD_MAX_RXPS_PER_RX 16 - -/* - * Control structure pointed to ccb->ctrl, which - * determines the NAPI / LRO behavior CCB - * There is 1:1 corres. between ccb & ctrl - */ -struct bnad_rx_ctrl { - struct bna_ccb *ccb; - unsigned long flags; - struct napi_struct napi; -}; - -#define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC - -#define BNAD_GET_TX_ID(_skb) (0) - -/* - * GLOBAL #defines (CONSTANTS) - */ -#define BNAD_NAME "bna" -#define BNAD_NAME_LEN 64 - -#define BNAD_VERSION "2.3.2.3" - -#define BNAD_MAILBOX_MSIX_INDEX 0 -#define BNAD_MAILBOX_MSIX_VECTORS 1 -#define BNAD_INTX_TX_IB_BITMASK 0x1 -#define BNAD_INTX_RX_IB_BITMASK 0x2 - -#define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */ -#define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */ - -#define BNAD_MAX_Q_DEPTH 0x10000 -#define BNAD_MIN_Q_DEPTH 0x200 - -#define BNAD_JUMBO_MTU 9000 - -#define BNAD_NETIF_WAKE_THRESHOLD 8 - -#define BNAD_RXQ_REFILL_THRESHOLD_SHIFT 3 - -/* Bit positions for tcb->flags */ -#define BNAD_TXQ_FREE_SENT 0 -#define BNAD_TXQ_TX_STARTED 1 - -/* Bit positions for rcb->flags */ -#define BNAD_RXQ_REFILL 0 -#define BNAD_RXQ_STARTED 1 - -/* - * DATA STRUCTURES - */ - -/* enums */ -enum bnad_intr_source { - BNAD_INTR_TX = 1, - BNAD_INTR_RX = 2 -}; - -enum bnad_link_state { - BNAD_LS_DOWN = 0, - BNAD_LS_UP = 1 -}; - -struct bnad_completion { - struct completion ioc_comp; - struct completion ucast_comp; - struct completion mcast_comp; - struct completion tx_comp; - struct completion rx_comp; - struct completion stats_comp; - struct completion port_comp; - - u8 ioc_comp_status; - u8 ucast_comp_status; - u8 mcast_comp_status; - u8 tx_comp_status; - u8 rx_comp_status; - u8 stats_comp_status; - u8 port_comp_status; -}; - -/* Tx Rx Control Stats */ -struct bnad_drv_stats { - u64 netif_queue_stop; - u64 netif_queue_wakeup; - u64 netif_queue_stopped; - u64 tso4; - u64 tso6; - u64 tso_err; - u64 tcpcsum_offload; - u64 udpcsum_offload; - u64 csum_help; - u64 csum_help_err; - - u64 hw_stats_updates; - u64 netif_rx_schedule; - u64 netif_rx_complete; - u64 netif_rx_dropped; - - u64 link_toggle; - u64 cee_up; - - u64 rxp_info_alloc_failed; - u64 mbox_intr_disabled; - u64 mbox_intr_enabled; - u64 tx_unmap_q_alloc_failed; - u64 rx_unmap_q_alloc_failed; - - u64 rxbuf_alloc_failed; -}; - -/* Complete driver stats */ -struct bnad_stats { - struct bnad_drv_stats drv_stats; - struct bna_stats *bna_stats; -}; - -/* Tx / Rx Resources */ -struct bnad_tx_res_info { - struct bna_res_info res_info[BNA_TX_RES_T_MAX]; -}; - -struct bnad_rx_res_info { - struct bna_res_info res_info[BNA_RX_RES_T_MAX]; -}; - -struct bnad_tx_info { - struct bna_tx *tx; /* 1:1 between tx_info & tx */ - struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX]; -} ____cacheline_aligned; - -struct bnad_rx_info { - struct bna_rx *rx; /* 1:1 between rx_info & rx */ - - struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXPS_PER_RX]; -} ____cacheline_aligned; - -/* Unmap queues for Tx / Rx cleanup */ -struct bnad_skb_unmap { - struct sk_buff *skb; - DEFINE_DMA_UNMAP_ADDR(dma_addr); -}; - -struct bnad_unmap_q { - u32 producer_index; - u32 consumer_index; - u32 q_depth; - /* This should be the last one */ - struct bnad_skb_unmap unmap_array[1]; -}; - -/* Bit mask values for bnad->cfg_flags */ -#define BNAD_CF_DIM_ENABLED 0x01 /* DIM */ -#define BNAD_CF_PROMISC 0x02 -#define BNAD_CF_ALLMULTI 0x04 -#define BNAD_CF_MSIX 0x08 /* If in MSIx mode */ - -/* Defines for run_flags bit-mask */ -/* Set, tested & cleared using xxx_bit() functions */ -/* Values indicated bit positions */ -#define BNAD_RF_CEE_RUNNING 1 -#define BNAD_RF_MBOX_IRQ_DISABLED 2 -#define BNAD_RF_RX_STARTED 3 -#define BNAD_RF_DIM_TIMER_RUNNING 4 -#define BNAD_RF_STATS_TIMER_RUNNING 5 -#define BNAD_RF_TX_SHUTDOWN_DELAYED 6 -#define BNAD_RF_RX_SHUTDOWN_DELAYED 7 - -struct bnad { - struct net_device *netdev; - - /* Data path */ - struct bnad_tx_info tx_info[BNAD_MAX_TXS]; - struct bnad_rx_info rx_info[BNAD_MAX_RXS]; - - unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; - /* - * These q numbers are global only because - * they are used to calculate MSIx vectors. - * Actually the exact # of queues are per Tx/Rx - * object. - */ - u32 num_tx; - u32 num_rx; - u32 num_txq_per_tx; - u32 num_rxp_per_rx; - - u32 txq_depth; - u32 rxq_depth; - - u8 tx_coalescing_timeo; - u8 rx_coalescing_timeo; - - struct bna_rx_config rx_config[BNAD_MAX_RXS]; - struct bna_tx_config tx_config[BNAD_MAX_TXS]; - - void __iomem *bar0; /* BAR0 address */ - - struct bna bna; - - u32 cfg_flags; - unsigned long run_flags; - - struct pci_dev *pcidev; - u64 mmio_start; - u64 mmio_len; - - u32 msix_num; - struct msix_entry *msix_table; - - struct mutex conf_mutex; - spinlock_t bna_lock ____cacheline_aligned; - - /* Timers */ - struct timer_list ioc_timer; - struct timer_list dim_timer; - struct timer_list stats_timer; - - /* Control path resources, memory & irq */ - struct bna_res_info res_info[BNA_RES_T_MAX]; - struct bnad_tx_res_info tx_res_info[BNAD_MAX_TXS]; - struct bnad_rx_res_info rx_res_info[BNAD_MAX_RXS]; - - struct bnad_completion bnad_completions; - - /* Burnt in MAC address */ - mac_t perm_addr; - - struct tasklet_struct tx_free_tasklet; - - /* Statistics */ - struct bnad_stats stats; - - struct bnad_diag *diag; - - char adapter_name[BNAD_NAME_LEN]; - char port_name[BNAD_NAME_LEN]; - char mbox_irq_name[BNAD_NAME_LEN]; -}; - -/* - * EXTERN VARIABLES - */ -extern struct firmware *bfi_fw; -extern u32 bnad_rxqs_per_cq; - -/* - * EXTERN PROTOTYPES - */ -extern u32 *cna_get_firmware_buf(struct pci_dev *pdev); -/* Netdev entry point prototypes */ -extern void bnad_set_ethtool_ops(struct net_device *netdev); - -/* Configuration & setup */ -extern void bnad_tx_coalescing_timeo_set(struct bnad *bnad); -extern void bnad_rx_coalescing_timeo_set(struct bnad *bnad); - -extern int bnad_setup_rx(struct bnad *bnad, uint rx_id); -extern int bnad_setup_tx(struct bnad *bnad, uint tx_id); -extern void bnad_cleanup_tx(struct bnad *bnad, uint tx_id); -extern void bnad_cleanup_rx(struct bnad *bnad, uint rx_id); - -/* Timer start/stop protos */ -extern void bnad_dim_timer_start(struct bnad *bnad); - -/* Statistics */ -extern void bnad_netdev_qstats_fill(struct bnad *bnad, - struct rtnl_link_stats64 *stats); -extern void bnad_netdev_hwstats_fill(struct bnad *bnad, - struct rtnl_link_stats64 *stats); - -/** - * MACROS - */ -/* To set & get the stats counters */ -#define BNAD_UPDATE_CTR(_bnad, _ctr) \ - (((_bnad)->stats.drv_stats._ctr)++) - -#define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr) - -#define bnad_enable_rx_irq_unsafe(_ccb) \ -{ \ - if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) {\ - bna_ib_coalescing_timer_set((_ccb)->i_dbell, \ - (_ccb)->rx_coalescing_timeo); \ - bna_ib_ack((_ccb)->i_dbell, 0); \ - } \ -} - -#define bnad_dim_timer_running(_bnad) \ - (((_bnad)->cfg_flags & BNAD_CF_DIM_ENABLED) && \ - (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &((_bnad)->run_flags)))) - -#endif /* __BNAD_H__ */ diff --git a/drivers/net/bna/bnad_ethtool.c b/drivers/net/bna/bnad_ethtool.c deleted file mode 100644 index 49174f87f4d1..000000000000 --- a/drivers/net/bna/bnad_ethtool.c +++ /dev/null @@ -1,895 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#include "cna.h" - -#include -#include -#include -#include - -#include "bna.h" - -#include "bnad.h" - -#define BNAD_NUM_TXF_COUNTERS 12 -#define BNAD_NUM_RXF_COUNTERS 10 -#define BNAD_NUM_CQ_COUNTERS 3 -#define BNAD_NUM_RXQ_COUNTERS 6 -#define BNAD_NUM_TXQ_COUNTERS 5 - -#define BNAD_ETHTOOL_STATS_NUM \ - (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \ - sizeof(struct bnad_drv_stats) / sizeof(u64) + \ - offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64)) - -static char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { - "rx_packets", - "tx_packets", - "rx_bytes", - "tx_bytes", - "rx_errors", - "tx_errors", - "rx_dropped", - "tx_dropped", - "multicast", - "collisions", - - "rx_length_errors", - "rx_over_errors", - "rx_crc_errors", - "rx_frame_errors", - "rx_fifo_errors", - "rx_missed_errors", - - "tx_aborted_errors", - "tx_carrier_errors", - "tx_fifo_errors", - "tx_heartbeat_errors", - "tx_window_errors", - - "rx_compressed", - "tx_compressed", - - "netif_queue_stop", - "netif_queue_wakeup", - "netif_queue_stopped", - "tso4", - "tso6", - "tso_err", - "tcpcsum_offload", - "udpcsum_offload", - "csum_help", - "csum_help_err", - "hw_stats_updates", - "netif_rx_schedule", - "netif_rx_complete", - "netif_rx_dropped", - - "link_toggle", - "cee_up", - - "rxp_info_alloc_failed", - "mbox_intr_disabled", - "mbox_intr_enabled", - "tx_unmap_q_alloc_failed", - "rx_unmap_q_alloc_failed", - "rxbuf_alloc_failed", - - "mac_frame_64", - "mac_frame_65_127", - "mac_frame_128_255", - "mac_frame_256_511", - "mac_frame_512_1023", - "mac_frame_1024_1518", - "mac_frame_1518_1522", - "mac_rx_bytes", - "mac_rx_packets", - "mac_rx_fcs_error", - "mac_rx_multicast", - "mac_rx_broadcast", - "mac_rx_control_frames", - "mac_rx_pause", - "mac_rx_unknown_opcode", - "mac_rx_alignment_error", - "mac_rx_frame_length_error", - "mac_rx_code_error", - "mac_rx_carrier_sense_error", - "mac_rx_undersize", - "mac_rx_oversize", - "mac_rx_fragments", - "mac_rx_jabber", - "mac_rx_drop", - - "mac_tx_bytes", - "mac_tx_packets", - "mac_tx_multicast", - "mac_tx_broadcast", - "mac_tx_pause", - "mac_tx_deferral", - "mac_tx_excessive_deferral", - "mac_tx_single_collision", - "mac_tx_muliple_collision", - "mac_tx_late_collision", - "mac_tx_excessive_collision", - "mac_tx_total_collision", - "mac_tx_pause_honored", - "mac_tx_drop", - "mac_tx_jabber", - "mac_tx_fcs_error", - "mac_tx_control_frame", - "mac_tx_oversize", - "mac_tx_undersize", - "mac_tx_fragments", - - "bpc_tx_pause_0", - "bpc_tx_pause_1", - "bpc_tx_pause_2", - "bpc_tx_pause_3", - "bpc_tx_pause_4", - "bpc_tx_pause_5", - "bpc_tx_pause_6", - "bpc_tx_pause_7", - "bpc_tx_zero_pause_0", - "bpc_tx_zero_pause_1", - "bpc_tx_zero_pause_2", - "bpc_tx_zero_pause_3", - "bpc_tx_zero_pause_4", - "bpc_tx_zero_pause_5", - "bpc_tx_zero_pause_6", - "bpc_tx_zero_pause_7", - "bpc_tx_first_pause_0", - "bpc_tx_first_pause_1", - "bpc_tx_first_pause_2", - "bpc_tx_first_pause_3", - "bpc_tx_first_pause_4", - "bpc_tx_first_pause_5", - "bpc_tx_first_pause_6", - "bpc_tx_first_pause_7", - - "bpc_rx_pause_0", - "bpc_rx_pause_1", - "bpc_rx_pause_2", - "bpc_rx_pause_3", - "bpc_rx_pause_4", - "bpc_rx_pause_5", - "bpc_rx_pause_6", - "bpc_rx_pause_7", - "bpc_rx_zero_pause_0", - "bpc_rx_zero_pause_1", - "bpc_rx_zero_pause_2", - "bpc_rx_zero_pause_3", - "bpc_rx_zero_pause_4", - "bpc_rx_zero_pause_5", - "bpc_rx_zero_pause_6", - "bpc_rx_zero_pause_7", - "bpc_rx_first_pause_0", - "bpc_rx_first_pause_1", - "bpc_rx_first_pause_2", - "bpc_rx_first_pause_3", - "bpc_rx_first_pause_4", - "bpc_rx_first_pause_5", - "bpc_rx_first_pause_6", - "bpc_rx_first_pause_7", - - "rad_rx_frames", - "rad_rx_octets", - "rad_rx_vlan_frames", - "rad_rx_ucast", - "rad_rx_ucast_octets", - "rad_rx_ucast_vlan", - "rad_rx_mcast", - "rad_rx_mcast_octets", - "rad_rx_mcast_vlan", - "rad_rx_bcast", - "rad_rx_bcast_octets", - "rad_rx_bcast_vlan", - "rad_rx_drops", - - "fc_rx_ucast_octets", - "fc_rx_ucast", - "fc_rx_ucast_vlan", - "fc_rx_mcast_octets", - "fc_rx_mcast", - "fc_rx_mcast_vlan", - "fc_rx_bcast_octets", - "fc_rx_bcast", - "fc_rx_bcast_vlan", - - "fc_tx_ucast_octets", - "fc_tx_ucast", - "fc_tx_ucast_vlan", - "fc_tx_mcast_octets", - "fc_tx_mcast", - "fc_tx_mcast_vlan", - "fc_tx_bcast_octets", - "fc_tx_bcast", - "fc_tx_bcast_vlan", - "fc_tx_parity_errors", - "fc_tx_timeout", - "fc_tx_fid_parity_errors", -}; - -static int -bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) -{ - cmd->supported = SUPPORTED_10000baseT_Full; - cmd->advertising = ADVERTISED_10000baseT_Full; - cmd->autoneg = AUTONEG_DISABLE; - cmd->supported |= SUPPORTED_FIBRE; - cmd->advertising |= ADVERTISED_FIBRE; - cmd->port = PORT_FIBRE; - cmd->phy_address = 0; - - if (netif_carrier_ok(netdev)) { - ethtool_cmd_speed_set(cmd, SPEED_10000); - cmd->duplex = DUPLEX_FULL; - } else { - ethtool_cmd_speed_set(cmd, -1); - cmd->duplex = -1; - } - cmd->transceiver = XCVR_EXTERNAL; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 0; - - return 0; -} - -static int -bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd) -{ - /* 10G full duplex setting supported only */ - if (cmd->autoneg == AUTONEG_ENABLE) - return -EOPNOTSUPP; else { - if ((ethtool_cmd_speed(cmd) == SPEED_10000) - && (cmd->duplex == DUPLEX_FULL)) - return 0; - } - - return -EOPNOTSUPP; -} - -static void -bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) -{ - struct bnad *bnad = netdev_priv(netdev); - struct bfa_ioc_attr *ioc_attr; - unsigned long flags; - - strcpy(drvinfo->driver, BNAD_NAME); - strcpy(drvinfo->version, BNAD_VERSION); - - ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL); - if (ioc_attr) { - spin_lock_irqsave(&bnad->bna_lock, flags); - bfa_nw_ioc_get_attr(&bnad->bna.device.ioc, ioc_attr); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - strncpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, - sizeof(drvinfo->fw_version) - 1); - kfree(ioc_attr); - } - - strncpy(drvinfo->bus_info, pci_name(bnad->pcidev), ETHTOOL_BUSINFO_LEN); -} - -static void -bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo) -{ - wolinfo->supported = 0; - wolinfo->wolopts = 0; -} - -static int -bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - - /* Lock rqd. to access bnad->bna_lock */ - spin_lock_irqsave(&bnad->bna_lock, flags); - coalesce->use_adaptive_rx_coalesce = - (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo * - BFI_COALESCING_TIMER_UNIT; - coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo * - BFI_COALESCING_TIMER_UNIT; - coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT; - - return 0; -} - -static int -bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) -{ - struct bnad *bnad = netdev_priv(netdev); - unsigned long flags; - int dim_timer_del = 0; - - if (coalesce->rx_coalesce_usecs == 0 || - coalesce->rx_coalesce_usecs > - BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) - return -EINVAL; - - if (coalesce->tx_coalesce_usecs == 0 || - coalesce->tx_coalesce_usecs > - BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) - return -EINVAL; - - mutex_lock(&bnad->conf_mutex); - /* - * Do not need to store rx_coalesce_usecs here - * Every time DIM is disabled, we can get it from the - * stack. - */ - spin_lock_irqsave(&bnad->bna_lock, flags); - if (coalesce->use_adaptive_rx_coalesce) { - if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) { - bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; - bnad_dim_timer_start(bnad); - } - } else { - if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) { - bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED; - dim_timer_del = bnad_dim_timer_running(bnad); - if (dim_timer_del) { - clear_bit(BNAD_RF_DIM_TIMER_RUNNING, - &bnad->run_flags); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - del_timer_sync(&bnad->dim_timer); - spin_lock_irqsave(&bnad->bna_lock, flags); - } - bnad_rx_coalescing_timeo_set(bnad); - } - } - if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs / - BFI_COALESCING_TIMER_UNIT) { - bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs / - BFI_COALESCING_TIMER_UNIT; - bnad_tx_coalescing_timeo_set(bnad); - } - - if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs / - BFI_COALESCING_TIMER_UNIT) { - bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs / - BFI_COALESCING_TIMER_UNIT; - - if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) - bnad_rx_coalescing_timeo_set(bnad); - - } - - /* Add Tx Inter-pkt DMA count? */ - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); - return 0; -} - -static void -bnad_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ringparam) -{ - struct bnad *bnad = netdev_priv(netdev); - - ringparam->rx_max_pending = BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq; - ringparam->rx_mini_max_pending = 0; - ringparam->rx_jumbo_max_pending = 0; - ringparam->tx_max_pending = BNAD_MAX_Q_DEPTH; - - ringparam->rx_pending = bnad->rxq_depth; - ringparam->rx_mini_max_pending = 0; - ringparam->rx_jumbo_max_pending = 0; - ringparam->tx_pending = bnad->txq_depth; -} - -static int -bnad_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ringparam) -{ - int i, current_err, err = 0; - struct bnad *bnad = netdev_priv(netdev); - - mutex_lock(&bnad->conf_mutex); - if (ringparam->rx_pending == bnad->rxq_depth && - ringparam->tx_pending == bnad->txq_depth) { - mutex_unlock(&bnad->conf_mutex); - return 0; - } - - if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH || - ringparam->rx_pending > BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq || - !BNA_POWER_OF_2(ringparam->rx_pending)) { - mutex_unlock(&bnad->conf_mutex); - return -EINVAL; - } - if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH || - ringparam->tx_pending > BNAD_MAX_Q_DEPTH || - !BNA_POWER_OF_2(ringparam->tx_pending)) { - mutex_unlock(&bnad->conf_mutex); - return -EINVAL; - } - - if (ringparam->rx_pending != bnad->rxq_depth) { - bnad->rxq_depth = ringparam->rx_pending; - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - bnad_cleanup_rx(bnad, i); - current_err = bnad_setup_rx(bnad, i); - if (current_err && !err) - err = current_err; - } - } - if (ringparam->tx_pending != bnad->txq_depth) { - bnad->txq_depth = ringparam->tx_pending; - for (i = 0; i < bnad->num_tx; i++) { - if (!bnad->tx_info[i].tx) - continue; - bnad_cleanup_tx(bnad, i); - current_err = bnad_setup_tx(bnad, i); - if (current_err && !err) - err = current_err; - } - } - - mutex_unlock(&bnad->conf_mutex); - return err; -} - -static void -bnad_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pauseparam) -{ - struct bnad *bnad = netdev_priv(netdev); - - pauseparam->autoneg = 0; - pauseparam->rx_pause = bnad->bna.port.pause_config.rx_pause; - pauseparam->tx_pause = bnad->bna.port.pause_config.tx_pause; -} - -static int -bnad_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pauseparam) -{ - struct bnad *bnad = netdev_priv(netdev); - struct bna_pause_config pause_config; - unsigned long flags; - - if (pauseparam->autoneg == AUTONEG_ENABLE) - return -EINVAL; - - mutex_lock(&bnad->conf_mutex); - if (pauseparam->rx_pause != bnad->bna.port.pause_config.rx_pause || - pauseparam->tx_pause != bnad->bna.port.pause_config.tx_pause) { - pause_config.rx_pause = pauseparam->rx_pause; - pause_config.tx_pause = pauseparam->tx_pause; - spin_lock_irqsave(&bnad->bna_lock, flags); - bna_port_pause_config(&bnad->bna.port, &pause_config, NULL); - spin_unlock_irqrestore(&bnad->bna_lock, flags); - } - mutex_unlock(&bnad->conf_mutex); - return 0; -} - -static void -bnad_get_strings(struct net_device *netdev, u32 stringset, u8 * string) -{ - struct bnad *bnad = netdev_priv(netdev); - int i, j, q_num; - u64 bmap; - - mutex_lock(&bnad->conf_mutex); - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) { - BUG_ON(!(strlen(bnad_net_stats_strings[i]) < - ETH_GSTRING_LEN)); - memcpy(string, bnad_net_stats_strings[i], - ETH_GSTRING_LEN); - string += ETH_GSTRING_LEN; - } - bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | - ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { - if (bmap & 1) { - sprintf(string, "txf%d_ucast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_ucast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_ucast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_mcast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_mcast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_mcast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_bcast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_bcast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_bcast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_errors", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_filter_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "txf%d_filter_mac_sa", i); - string += ETH_GSTRING_LEN; - } - bmap >>= 1; - } - - bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | - ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { - if (bmap & 1) { - sprintf(string, "rxf%d_ucast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_ucast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_ucast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_mcast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_mcast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_mcast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_bcast_octets", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_bcast", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_bcast_vlan", i); - string += ETH_GSTRING_LEN; - sprintf(string, "rxf%d_frame_drops", i); - string += ETH_GSTRING_LEN; - } - bmap >>= 1; - } - - q_num = 0; - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - sprintf(string, "cq%d_producer_index", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "cq%d_consumer_index", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "cq%d_hw_producer_index", - q_num); - string += ETH_GSTRING_LEN; - q_num++; - } - } - - q_num = 0; - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) { - sprintf(string, "rxq%d_packets", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_bytes", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_packets_with_error", - q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_allocbuf_failed", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_producer_index", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_consumer_index", q_num); - string += ETH_GSTRING_LEN; - q_num++; - if (bnad->rx_info[i].rx_ctrl[j].ccb && - bnad->rx_info[i].rx_ctrl[j].ccb-> - rcb[1] && - bnad->rx_info[i].rx_ctrl[j].ccb-> - rcb[1]->rxq) { - sprintf(string, "rxq%d_packets", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_bytes", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, - "rxq%d_packets_with_error", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_allocbuf_failed", - q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_producer_index", - q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "rxq%d_consumer_index", - q_num); - string += ETH_GSTRING_LEN; - q_num++; - } - } - } - - q_num = 0; - for (i = 0; i < bnad->num_tx; i++) { - if (!bnad->tx_info[i].tx) - continue; - for (j = 0; j < bnad->num_txq_per_tx; j++) { - sprintf(string, "txq%d_packets", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "txq%d_bytes", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "txq%d_producer_index", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "txq%d_consumer_index", q_num); - string += ETH_GSTRING_LEN; - sprintf(string, "txq%d_hw_consumer_index", - q_num); - string += ETH_GSTRING_LEN; - q_num++; - } - } - - break; - - default: - break; - } - - mutex_unlock(&bnad->conf_mutex); -} - -static int -bnad_get_stats_count_locked(struct net_device *netdev) -{ - struct bnad *bnad = netdev_priv(netdev); - int i, j, count, rxf_active_num = 0, txf_active_num = 0; - u64 bmap; - - bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | - ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { - if (bmap & 1) - txf_active_num++; - bmap >>= 1; - } - bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | - ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { - if (bmap & 1) - rxf_active_num++; - bmap >>= 1; - } - count = BNAD_ETHTOOL_STATS_NUM + - txf_active_num * BNAD_NUM_TXF_COUNTERS + - rxf_active_num * BNAD_NUM_RXF_COUNTERS; - - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS; - count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS; - for (j = 0; j < bnad->num_rxp_per_rx; j++) - if (bnad->rx_info[i].rx_ctrl[j].ccb && - bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && - bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq) - count += BNAD_NUM_RXQ_COUNTERS; - } - - for (i = 0; i < bnad->num_tx; i++) { - if (!bnad->tx_info[i].tx) - continue; - count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS; - } - return count; -} - -static int -bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) -{ - int i, j; - struct bna_rcb *rcb = NULL; - struct bna_tcb *tcb = NULL; - - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) - if (bnad->rx_info[i].rx_ctrl[j].ccb && - bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && - bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) { - buf[bi++] = bnad->rx_info[i].rx_ctrl[j]. - ccb->producer_index; - buf[bi++] = 0; /* ccb->consumer_index */ - buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j]. - ccb->hw_producer_index); - } - } - for (i = 0; i < bnad->num_rx; i++) { - if (!bnad->rx_info[i].rx) - continue; - for (j = 0; j < bnad->num_rxp_per_rx; j++) - if (bnad->rx_info[i].rx_ctrl[j].ccb) { - if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && - bnad->rx_info[i].rx_ctrl[j].ccb-> - rcb[0]->rxq) { - rcb = bnad->rx_info[i].rx_ctrl[j]. - ccb->rcb[0]; - buf[bi++] = rcb->rxq->rx_packets; - buf[bi++] = rcb->rxq->rx_bytes; - buf[bi++] = rcb->rxq-> - rx_packets_with_error; - buf[bi++] = rcb->rxq-> - rxbuf_alloc_failed; - buf[bi++] = rcb->producer_index; - buf[bi++] = rcb->consumer_index; - } - if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && - bnad->rx_info[i].rx_ctrl[j].ccb-> - rcb[1]->rxq) { - rcb = bnad->rx_info[i].rx_ctrl[j]. - ccb->rcb[1]; - buf[bi++] = rcb->rxq->rx_packets; - buf[bi++] = rcb->rxq->rx_bytes; - buf[bi++] = rcb->rxq-> - rx_packets_with_error; - buf[bi++] = rcb->rxq-> - rxbuf_alloc_failed; - buf[bi++] = rcb->producer_index; - buf[bi++] = rcb->consumer_index; - } - } - } - - for (i = 0; i < bnad->num_tx; i++) { - if (!bnad->tx_info[i].tx) - continue; - for (j = 0; j < bnad->num_txq_per_tx; j++) - if (bnad->tx_info[i].tcb[j] && - bnad->tx_info[i].tcb[j]->txq) { - tcb = bnad->tx_info[i].tcb[j]; - buf[bi++] = tcb->txq->tx_packets; - buf[bi++] = tcb->txq->tx_bytes; - buf[bi++] = tcb->producer_index; - buf[bi++] = tcb->consumer_index; - buf[bi++] = *(tcb->hw_consumer_index); - } - } - - return bi; -} - -static void -bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, - u64 *buf) -{ - struct bnad *bnad = netdev_priv(netdev); - int i, j, bi; - unsigned long flags; - struct rtnl_link_stats64 *net_stats64; - u64 *stats64; - u64 bmap; - - mutex_lock(&bnad->conf_mutex); - if (bnad_get_stats_count_locked(netdev) != stats->n_stats) { - mutex_unlock(&bnad->conf_mutex); - return; - } - - /* - * Used bna_lock to sync reads from bna_stats, which is written - * under the same lock - */ - spin_lock_irqsave(&bnad->bna_lock, flags); - bi = 0; - memset(buf, 0, stats->n_stats * sizeof(u64)); - - net_stats64 = (struct rtnl_link_stats64 *)buf; - bnad_netdev_qstats_fill(bnad, net_stats64); - bnad_netdev_hwstats_fill(bnad, net_stats64); - - bi = sizeof(*net_stats64) / sizeof(u64); - - /* Get netif_queue_stopped from stack */ - bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev); - - /* Fill driver stats into ethtool buffers */ - stats64 = (u64 *)&bnad->stats.drv_stats; - for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++) - buf[bi++] = stats64[i]; - - /* Fill hardware stats excluding the rxf/txf into ethtool bufs */ - stats64 = (u64 *) bnad->stats.bna_stats->hw_stats; - for (i = 0; - i < offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64); - i++) - buf[bi++] = stats64[i]; - - /* Fill txf stats into ethtool buffers */ - bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | - ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { - if (bmap & 1) { - stats64 = (u64 *)&bnad->stats.bna_stats-> - hw_stats->txf_stats[i]; - for (j = 0; j < sizeof(struct bfi_ll_stats_txf) / - sizeof(u64); j++) - buf[bi++] = stats64[j]; - } - bmap >>= 1; - } - - /* Fill rxf stats into ethtool buffers */ - bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | - ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); - for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { - if (bmap & 1) { - stats64 = (u64 *)&bnad->stats.bna_stats-> - hw_stats->rxf_stats[i]; - for (j = 0; j < sizeof(struct bfi_ll_stats_rxf) / - sizeof(u64); j++) - buf[bi++] = stats64[j]; - } - bmap >>= 1; - } - - /* Fill per Q stats into ethtool buffers */ - bi = bnad_per_q_stats_fill(bnad, buf, bi); - - spin_unlock_irqrestore(&bnad->bna_lock, flags); - - mutex_unlock(&bnad->conf_mutex); -} - -static int -bnad_get_sset_count(struct net_device *netdev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return bnad_get_stats_count_locked(netdev); - default: - return -EOPNOTSUPP; - } -} - -static struct ethtool_ops bnad_ethtool_ops = { - .get_settings = bnad_get_settings, - .set_settings = bnad_set_settings, - .get_drvinfo = bnad_get_drvinfo, - .get_wol = bnad_get_wol, - .get_link = ethtool_op_get_link, - .get_coalesce = bnad_get_coalesce, - .set_coalesce = bnad_set_coalesce, - .get_ringparam = bnad_get_ringparam, - .set_ringparam = bnad_set_ringparam, - .get_pauseparam = bnad_get_pauseparam, - .set_pauseparam = bnad_set_pauseparam, - .get_strings = bnad_get_strings, - .get_ethtool_stats = bnad_get_ethtool_stats, - .get_sset_count = bnad_get_sset_count -}; - -void -bnad_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &bnad_ethtool_ops); -} diff --git a/drivers/net/bna/cna.h b/drivers/net/bna/cna.h deleted file mode 100644 index a679e038747b..000000000000 --- a/drivers/net/bna/cna.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2006-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ - -#ifndef __CNA_H__ -#define __CNA_H__ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#define bfa_sm_fault(__event) do { \ - pr_err("SM Assertion failure: %s: %d: event = %d", __FILE__, __LINE__, \ - __event); \ -} while (0) - -extern char bfa_version[]; - -#define CNA_FW_FILE_CT "ctfw_cna.bin" -#define FC_SYMNAME_MAX 256 /*!< max name server symbolic name size */ - -#pragma pack(1) - -#define MAC_ADDRLEN (6) -typedef struct mac { u8 mac[MAC_ADDRLEN]; } mac_t; - -#pragma pack() - -#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next)) -#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next) -#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev) - -/* - * bfa_q_qe_init - to initialize a queue element - */ -#define bfa_q_qe_init(_qe) { \ - bfa_q_next(_qe) = (struct list_head *) NULL; \ - bfa_q_prev(_qe) = (struct list_head *) NULL; \ -} - -/* - * bfa_q_deq - dequeue an element from head of the queue - */ -#define bfa_q_deq(_q, _qe) { \ - if (!list_empty(_q)) { \ - (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ - bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ - (struct list_head *) (_q); \ - bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \ - bfa_q_qe_init(*((struct list_head **) _qe)); \ - } else { \ - *((struct list_head **)(_qe)) = NULL; \ - } \ -} - -#endif /* __CNA_H__ */ diff --git a/drivers/net/bna/cna_fwimg.c b/drivers/net/bna/cna_fwimg.c deleted file mode 100644 index e8f4ecd9ebb5..000000000000 --- a/drivers/net/bna/cna_fwimg.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Linux network driver for Brocade Converged Network Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -/* - * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - */ -#include -#include "cna.h" - -const struct firmware *bfi_fw; -static u32 *bfi_image_ct_cna; -static u32 bfi_image_ct_cna_size; - -static u32 * -cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, - u32 *bfi_image_size, char *fw_name) -{ - const struct firmware *fw; - - if (request_firmware(&fw, fw_name, &pdev->dev)) { - pr_alert("Can't locate firmware %s\n", fw_name); - goto error; - } - - *bfi_image = (u32 *)fw->data; - *bfi_image_size = fw->size/sizeof(u32); - bfi_fw = fw; - - return *bfi_image; -error: - return NULL; -} - -u32 * -cna_get_firmware_buf(struct pci_dev *pdev) -{ - if (bfi_image_ct_cna_size == 0) - cna_read_firmware(pdev, &bfi_image_ct_cna, - &bfi_image_ct_cna_size, CNA_FW_FILE_CT); - return bfi_image_ct_cna; -} - -u32 * -bfa_cb_image_get_chunk(int type, u32 off) -{ - return (u32 *)(bfi_image_ct_cna + off); -} - -u32 -bfa_cb_image_get_size(int type) -{ - return bfi_image_ct_cna_size; -} diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 9c003f363a9d..225918df224d 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -15,6 +15,7 @@ source "drivers/net/ethernet/3com/Kconfig" source "drivers/net/ethernet/8390/Kconfig" source "drivers/net/ethernet/amd/Kconfig" source "drivers/net/ethernet/broadcom/Kconfig" +source "drivers/net/ethernet/brocade/Kconfig" source "drivers/net/ethernet/chelsio/Kconfig" source "drivers/net/ethernet/emulex/Kconfig" source "drivers/net/ethernet/intel/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 2ac05bacab8f..734f7c9d6649 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_NET_VENDOR_3COM) += 3com/ obj-$(CONFIG_NET_VENDOR_8390) += 8390/ obj-$(CONFIG_NET_VENDOR_AMD) += amd/ obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/ +obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/ obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/ obj-$(CONFIG_NET_VENDOR_EMULEX) += emulex/ obj-$(CONFIG_NET_VENDOR_INTEL) += intel/ diff --git a/drivers/net/ethernet/brocade/Kconfig b/drivers/net/ethernet/brocade/Kconfig new file mode 100644 index 000000000000..03f0b17b87c3 --- /dev/null +++ b/drivers/net/ethernet/brocade/Kconfig @@ -0,0 +1,22 @@ +# +# Brocade device configuration +# + +config NET_VENDOR_BROCADE + bool "Brocade devices" + depends on PCI + ---help--- + If you have a network (Ethernet) card belonging to this class, say Y + and read the Ethernet-HOWTO, available from + . + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Brocade cards. If you say Y, you will be asked for + your specific card in the following questions. + +if NET_VENDOR_BROCADE + +source "drivers/net/ethernet/brocade/bna/Kconfig" + +endif # NET_VENDOR_BROCADE diff --git a/drivers/net/ethernet/brocade/Makefile b/drivers/net/ethernet/brocade/Makefile new file mode 100644 index 000000000000..b58238d2df6a --- /dev/null +++ b/drivers/net/ethernet/brocade/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Brocade device drivers. +# + +obj-$(CONFIG_BNA) += bna/ diff --git a/drivers/net/ethernet/brocade/bna/Kconfig b/drivers/net/ethernet/brocade/bna/Kconfig new file mode 100644 index 000000000000..dc2eb526fbf7 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/Kconfig @@ -0,0 +1,17 @@ +# +# Brocade network device configuration +# + +config BNA + tristate "Brocade 1010/1020 10Gb Ethernet Driver support" + depends on PCI + ---help--- + This driver supports Brocade 1010/1020 10Gb CEE capable Ethernet + cards. + To compile this driver as a module, choose M here: the module + will be called bna. + + For general information and support, go to the Brocade support + website at: + + diff --git a/drivers/net/ethernet/brocade/bna/Makefile b/drivers/net/ethernet/brocade/bna/Makefile new file mode 100644 index 000000000000..a5d604de7fea --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/Makefile @@ -0,0 +1,11 @@ +# +# Copyright (c) 2005-2010 Brocade Communications Systems, Inc. +# All rights reserved. +# + +obj-$(CONFIG_BNA) += bna.o + +bna-objs := bnad.o bnad_ethtool.o bna_ctrl.o bna_txrx.o +bna-objs += bfa_ioc.o bfa_ioc_ct.o bfa_cee.o cna_fwimg.o + +EXTRA_CFLAGS := -Idrivers/net/bna diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.c b/drivers/net/ethernet/brocade/bna/bfa_cee.c new file mode 100644 index 000000000000..39e5ab9fde59 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_cee.c @@ -0,0 +1,304 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#include "bfa_defs_cna.h" +#include "cna.h" +#include "bfa_cee.h" +#include "bfi_cna.h" +#include "bfa_ioc.h" + +#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) +#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc) + +static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg); +static void bfa_cee_format_cee_cfg(void *buffer); + +static void +bfa_cee_format_cee_cfg(void *buffer) +{ + struct bfa_cee_attr *cee_cfg = buffer; + bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote); +} + +static void +bfa_cee_stats_swap(struct bfa_cee_stats *stats) +{ + u32 *buffer = (u32 *)stats; + int i; + + for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32)); + i++) { + buffer[i] = ntohl(buffer[i]); + } +} + +static void +bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg) +{ + lldp_cfg->time_to_live = + ntohs(lldp_cfg->time_to_live); + lldp_cfg->enabled_system_cap = + ntohs(lldp_cfg->enabled_system_cap); +} + +/** + * bfa_cee_attr_meminfo() + * + * @brief Returns the size of the DMA memory needed by CEE attributes + * + * @param[in] void + * + * @return Size of DMA region + */ +static u32 +bfa_cee_attr_meminfo(void) +{ + return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ); +} +/** + * bfa_cee_stats_meminfo() + * + * @brief Returns the size of the DMA memory needed by CEE stats + * + * @param[in] void + * + * @return Size of DMA region + */ +static u32 +bfa_cee_stats_meminfo(void) +{ + return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ); +} + +/** + * bfa_cee_get_attr_isr() + * + * @brief CEE ISR for get-attributes responses from f/w + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status) +{ + cee->get_attr_status = status; + if (status == BFA_STATUS_OK) { + memcpy(cee->attr, cee->attr_dma.kva, + sizeof(struct bfa_cee_attr)); + bfa_cee_format_cee_cfg(cee->attr); + } + cee->get_attr_pending = false; + if (cee->cbfn.get_attr_cbfn) + cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); +} + +/** + * bfa_cee_get_attr_isr() + * + * @brief CEE ISR for get-stats responses from f/w + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status) +{ + cee->get_stats_status = status; + if (status == BFA_STATUS_OK) { + memcpy(cee->stats, cee->stats_dma.kva, + sizeof(struct bfa_cee_stats)); + bfa_cee_stats_swap(cee->stats); + } + cee->get_stats_pending = false; + if (cee->cbfn.get_stats_cbfn) + cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); +} + +/** + * bfa_cee_get_attr_isr() + * + * @brief CEE ISR for reset-stats responses from f/w + * + * @param[in] cee - Pointer to the CEE module + * status - Return status from the f/w + * + * @return void + */ +static void +bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status) +{ + cee->reset_stats_status = status; + cee->reset_stats_pending = false; + if (cee->cbfn.reset_stats_cbfn) + cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); +} +/** + * bfa_nw_cee_meminfo() + * + * @brief Returns the size of the DMA memory needed by CEE module + * + * @param[in] void + * + * @return Size of DMA region + */ +u32 +bfa_nw_cee_meminfo(void) +{ + return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo(); +} + +/** + * bfa_nw_cee_mem_claim() + * + * @brief Initialized CEE DMA Memory + * + * @param[in] cee CEE module pointer + * dma_kva Kernel Virtual Address of CEE DMA Memory + * dma_pa Physical Address of CEE DMA Memory + * + * @return void + */ +void +bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa) +{ + cee->attr_dma.kva = dma_kva; + cee->attr_dma.pa = dma_pa; + cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo(); + cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo(); + cee->attr = (struct bfa_cee_attr *) dma_kva; + cee->stats = (struct bfa_cee_stats *) + (dma_kva + bfa_cee_attr_meminfo()); +} + +/** + * bfa_cee_isrs() + * + * @brief Handles Mail-box interrupts for CEE module. + * + * @param[in] Pointer to the CEE module data structure. + * + * @return void + */ + +static void +bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m) +{ + union bfi_cee_i2h_msg_u *msg; + struct bfi_cee_get_rsp *get_rsp; + struct bfa_cee *cee = (struct bfa_cee *) cbarg; + msg = (union bfi_cee_i2h_msg_u *) m; + get_rsp = (struct bfi_cee_get_rsp *) m; + switch (msg->mh.msg_id) { + case BFI_CEE_I2H_GET_CFG_RSP: + bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); + break; + case BFI_CEE_I2H_GET_STATS_RSP: + bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); + break; + case BFI_CEE_I2H_RESET_STATS_RSP: + bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); + break; + default: + BUG_ON(1); + } +} + +/** + * bfa_cee_notify() + * + * @brief CEE module heart-beat failure handler. + * @brief CEE module IOC event handler. + * + * @param[in] IOC event type + * + * @return void + */ + +static void +bfa_cee_notify(void *arg, enum bfa_ioc_event event) +{ + struct bfa_cee *cee; + cee = (struct bfa_cee *) arg; + + switch (event) { + case BFA_IOC_E_DISABLED: + case BFA_IOC_E_FAILED: + if (cee->get_attr_pending == true) { + cee->get_attr_status = BFA_STATUS_FAILED; + cee->get_attr_pending = false; + if (cee->cbfn.get_attr_cbfn) { + cee->cbfn.get_attr_cbfn( + cee->cbfn.get_attr_cbarg, + BFA_STATUS_FAILED); + } + } + if (cee->get_stats_pending == true) { + cee->get_stats_status = BFA_STATUS_FAILED; + cee->get_stats_pending = false; + if (cee->cbfn.get_stats_cbfn) { + cee->cbfn.get_stats_cbfn( + cee->cbfn.get_stats_cbarg, + BFA_STATUS_FAILED); + } + } + if (cee->reset_stats_pending == true) { + cee->reset_stats_status = BFA_STATUS_FAILED; + cee->reset_stats_pending = false; + if (cee->cbfn.reset_stats_cbfn) { + cee->cbfn.reset_stats_cbfn( + cee->cbfn.reset_stats_cbarg, + BFA_STATUS_FAILED); + } + } + break; + + default: + break; + } +} + +/** + * bfa_nw_cee_attach() + * + * @brief CEE module-attach API + * + * @param[in] cee - Pointer to the CEE module data structure + * ioc - Pointer to the ioc module data structure + * dev - Pointer to the device driver module data structure + * The device driver specific mbox ISR functions have + * this pointer as one of the parameters. + * + * @return void + */ +void +bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, + void *dev) +{ + BUG_ON(!(cee != NULL)); + cee->dev = dev; + cee->ioc = ioc; + + bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); + bfa_q_qe_init(&cee->ioc_notify); + bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee); + bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify); +} diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.h b/drivers/net/ethernet/brocade/bna/bfa_cee.h new file mode 100644 index 000000000000..58d54e98d595 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_cee.h @@ -0,0 +1,63 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __BFA_CEE_H__ +#define __BFA_CEE_H__ + +#include "bfa_defs_cna.h" +#include "bfa_ioc.h" + +typedef void (*bfa_cee_get_attr_cbfn_t) (void *dev, enum bfa_status status); +typedef void (*bfa_cee_get_stats_cbfn_t) (void *dev, enum bfa_status status); +typedef void (*bfa_cee_reset_stats_cbfn_t) (void *dev, enum bfa_status status); + +struct bfa_cee_cbfn { + bfa_cee_get_attr_cbfn_t get_attr_cbfn; + void *get_attr_cbarg; + bfa_cee_get_stats_cbfn_t get_stats_cbfn; + void *get_stats_cbarg; + bfa_cee_reset_stats_cbfn_t reset_stats_cbfn; + void *reset_stats_cbarg; +}; + +struct bfa_cee { + void *dev; + bool get_attr_pending; + bool get_stats_pending; + bool reset_stats_pending; + enum bfa_status get_attr_status; + enum bfa_status get_stats_status; + enum bfa_status reset_stats_status; + struct bfa_cee_cbfn cbfn; + struct bfa_ioc_notify ioc_notify; + struct bfa_cee_attr *attr; + struct bfa_cee_stats *stats; + struct bfa_dma attr_dma; + struct bfa_dma stats_dma; + struct bfa_ioc *ioc; + struct bfa_mbox_cmd get_cfg_mb; + struct bfa_mbox_cmd get_stats_mb; + struct bfa_mbox_cmd reset_stats_mb; +}; + +u32 bfa_nw_cee_meminfo(void); +void bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, + u64 dma_pa); +void bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, void *dev); + +#endif /* __BFA_CEE_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_cs.h b/drivers/net/ethernet/brocade/bna/bfa_cs.h new file mode 100644 index 000000000000..3da1a946ccdd --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_cs.h @@ -0,0 +1,140 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2011 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +/** + * @file bfa_cs.h BFA common services + */ + +#ifndef __BFA_CS_H__ +#define __BFA_CS_H__ + +#include "cna.h" + +/** + * @ BFA state machine interfaces + */ + +typedef void (*bfa_sm_t)(void *sm, int event); + +/** + * oc - object class eg. bfa_ioc + * st - state, eg. reset + * otype - object type, eg. struct bfa_ioc + * etype - object type, eg. enum ioc_event + */ +#define bfa_sm_state_decl(oc, st, otype, etype) \ + static void oc ## _sm_ ## st(otype * fsm, etype event) + +#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state)) +#define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event))) +#define bfa_sm_get_state(_sm) ((_sm)->sm) +#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) + +/** + * For converting from state machine function to state encoding. + */ +struct bfa_sm_table { + bfa_sm_t sm; /*!< state machine function */ + int state; /*!< state machine encoding */ + char *name; /*!< state name for display */ +}; +#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) + +/** + * State machine with entry actions. + */ +typedef void (*bfa_fsm_t)(void *fsm, int event); + +/** + * oc - object class eg. bfa_ioc + * st - state, eg. reset + * otype - object type, eg. struct bfa_ioc + * etype - object type, eg. enum ioc_event + */ +#define bfa_fsm_state_decl(oc, st, otype, etype) \ + static void oc ## _sm_ ## st(otype * fsm, etype event); \ + static void oc ## _sm_ ## st ## _entry(otype * fsm) + +#define bfa_fsm_set_state(_fsm, _state) do { \ + (_fsm)->fsm = (bfa_fsm_t)(_state); \ + _state ## _entry(_fsm); \ +} while (0) + +#define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) +#define bfa_fsm_get_state(_fsm) ((_fsm)->fsm) +#define bfa_fsm_cmp_state(_fsm, _state) \ + ((_fsm)->fsm == (bfa_fsm_t)(_state)) + +static inline int +bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm) +{ + int i = 0; + + while (smt[i].sm && smt[i].sm != sm) + i++; + return smt[i].state; +} + +/** + * @ Generic wait counter. + */ + +typedef void (*bfa_wc_resume_t) (void *cbarg); + +struct bfa_wc { + bfa_wc_resume_t wc_resume; + void *wc_cbarg; + int wc_count; +}; + +static inline void +bfa_wc_up(struct bfa_wc *wc) +{ + wc->wc_count++; +} + +static inline void +bfa_wc_down(struct bfa_wc *wc) +{ + wc->wc_count--; + if (wc->wc_count == 0) + wc->wc_resume(wc->wc_cbarg); +} + +/** + * Initialize a waiting counter. + */ +static inline void +bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) +{ + wc->wc_resume = wc_resume; + wc->wc_cbarg = wc_cbarg; + wc->wc_count = 0; + bfa_wc_up(wc); +} + +/** + * Wait for counter to reach zero + */ +static inline void +bfa_wc_wait(struct bfa_wc *wc) +{ + bfa_wc_down(wc); +} + +#endif /* __BFA_CS_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs.h b/drivers/net/ethernet/brocade/bna/bfa_defs.h new file mode 100644 index 000000000000..b080b3698f48 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_defs.h @@ -0,0 +1,246 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __BFA_DEFS_H__ +#define __BFA_DEFS_H__ + +#include "cna.h" +#include "bfa_defs_status.h" +#include "bfa_defs_mfg_comm.h" + +#define BFA_STRING_32 32 +#define BFA_VERSION_LEN 64 + +/** + * ---------------------- adapter definitions ------------ + */ + +/** + * BFA adapter level attributes. + */ +enum { + BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE), + /* + *!< adapter serial num length + */ + BFA_ADAPTER_MODEL_NAME_LEN = 16, /*!< model name length */ + BFA_ADAPTER_MODEL_DESCR_LEN = 128, /*!< model description length */ + BFA_ADAPTER_MFG_NAME_LEN = 8, /*!< manufacturer name length */ + BFA_ADAPTER_SYM_NAME_LEN = 64, /*!< adapter symbolic name length */ + BFA_ADAPTER_OS_TYPE_LEN = 64, /*!< adapter os type length */ +}; + +struct bfa_adapter_attr { + char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; + char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; + u32 card_type; + char model[BFA_ADAPTER_MODEL_NAME_LEN]; + char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN]; + u64 pwwn; + char node_symname[FC_SYMNAME_MAX]; + char hw_ver[BFA_VERSION_LEN]; + char fw_ver[BFA_VERSION_LEN]; + char optrom_ver[BFA_VERSION_LEN]; + char os_type[BFA_ADAPTER_OS_TYPE_LEN]; + struct bfa_mfg_vpd vpd; + struct mac mac; + + u8 nports; + u8 max_speed; + u8 prototype; + char asic_rev; + + u8 pcie_gen; + u8 pcie_lanes_orig; + u8 pcie_lanes; + u8 cna_capable; + + u8 is_mezz; + u8 trunk_capable; +}; + +/** + * ---------------------- IOC definitions ------------ + */ + +enum { + BFA_IOC_DRIVER_LEN = 16, + BFA_IOC_CHIP_REV_LEN = 8, +}; + +/** + * Driver and firmware versions. + */ +struct bfa_ioc_driver_attr { + char driver[BFA_IOC_DRIVER_LEN]; /*!< driver name */ + char driver_ver[BFA_VERSION_LEN]; /*!< driver version */ + char fw_ver[BFA_VERSION_LEN]; /*!< firmware version */ + char bios_ver[BFA_VERSION_LEN]; /*!< bios version */ + char efi_ver[BFA_VERSION_LEN]; /*!< EFI version */ + char ob_ver[BFA_VERSION_LEN]; /*!< openboot version */ +}; + +/** + * IOC PCI device attributes + */ +struct bfa_ioc_pci_attr { + u16 vendor_id; /*!< PCI vendor ID */ + u16 device_id; /*!< PCI device ID */ + u16 ssid; /*!< subsystem ID */ + u16 ssvid; /*!< subsystem vendor ID */ + u32 pcifn; /*!< PCI device function */ + u32 rsvd; /* padding */ + char chip_rev[BFA_IOC_CHIP_REV_LEN]; /*!< chip revision */ +}; + +/** + * IOC states + */ +enum bfa_ioc_state { + BFA_IOC_UNINIT = 1, /*!< IOC is in uninit state */ + BFA_IOC_RESET = 2, /*!< IOC is in reset state */ + BFA_IOC_SEMWAIT = 3, /*!< Waiting for IOC h/w semaphore */ + BFA_IOC_HWINIT = 4, /*!< IOC h/w is being initialized */ + BFA_IOC_GETATTR = 5, /*!< IOC is being configured */ + BFA_IOC_OPERATIONAL = 6, /*!< IOC is operational */ + BFA_IOC_INITFAIL = 7, /*!< IOC hardware failure */ + BFA_IOC_FAIL = 8, /*!< IOC heart-beat failure */ + BFA_IOC_DISABLING = 9, /*!< IOC is being disabled */ + BFA_IOC_DISABLED = 10, /*!< IOC is disabled */ + BFA_IOC_FWMISMATCH = 11, /*!< IOC f/w different from drivers */ + BFA_IOC_ENABLING = 12, /*!< IOC is being enabled */ +}; + +/** + * IOC firmware stats + */ +struct bfa_fw_ioc_stats { + u32 enable_reqs; + u32 disable_reqs; + u32 get_attr_reqs; + u32 dbg_sync; + u32 dbg_dump; + u32 unknown_reqs; +}; + +/** + * IOC driver stats + */ +struct bfa_ioc_drv_stats { + u32 ioc_isrs; + u32 ioc_enables; + u32 ioc_disables; + u32 ioc_hbfails; + u32 ioc_boots; + u32 stats_tmos; + u32 hb_count; + u32 disable_reqs; + u32 enable_reqs; + u32 disable_replies; + u32 enable_replies; + u32 rsvd; +}; + +/** + * IOC statistics + */ +struct bfa_ioc_stats { + struct bfa_ioc_drv_stats drv_stats; /*!< driver IOC stats */ + struct bfa_fw_ioc_stats fw_stats; /*!< firmware IOC stats */ +}; + +enum bfa_ioc_type { + BFA_IOC_TYPE_FC = 1, + BFA_IOC_TYPE_FCoE = 2, + BFA_IOC_TYPE_LL = 3, +}; + +/** + * IOC attributes returned in queries + */ +struct bfa_ioc_attr { + enum bfa_ioc_type ioc_type; + enum bfa_ioc_state state; /*!< IOC state */ + struct bfa_adapter_attr adapter_attr; /*!< HBA attributes */ + struct bfa_ioc_driver_attr driver_attr; /*!< driver attr */ + struct bfa_ioc_pci_attr pci_attr; + u8 port_id; /*!< port number */ + u8 rsvd[7]; /*!< 64bit align */ +}; + +/** + * ---------------------- mfg definitions ------------ + */ + +/** + * Checksum size + */ +#define BFA_MFG_CHKSUM_SIZE 16 + +#define BFA_MFG_PARTNUM_SIZE 14 +#define BFA_MFG_SUPPLIER_ID_SIZE 10 +#define BFA_MFG_SUPPLIER_PARTNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_REVISION_SIZE 4 + +#pragma pack(1) + +/** + * @brief BFA adapter manufacturing block definition. + * + * All numerical fields are in big-endian format. + */ +struct bfa_mfg_block { + u8 version; /*!< manufacturing block version */ + u8 mfg_sig[3]; /*!< characters 'M', 'F', 'G' */ + u16 mfgsize; /*!< mfg block size */ + u16 u16_chksum; /*!< old u16 checksum */ + char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; + char brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)]; + u8 mfg_day; /*!< manufacturing day */ + u8 mfg_month; /*!< manufacturing month */ + u16 mfg_year; /*!< manufacturing year */ + u64 mfg_wwn; /*!< wwn base for this adapter */ + u8 num_wwn; /*!< number of wwns assigned */ + u8 mfg_speeds; /*!< speeds allowed for this adapter */ + u8 rsv[2]; + char supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)]; + char supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)]; + char + supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)]; + char + supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)]; + mac_t mfg_mac; /*!< mac address */ + u8 num_mac; /*!< number of mac addresses */ + u8 rsv2; + u32 mfg_type; /*!< card type */ + u8 rsv3[108]; + u8 md5_chksum[BFA_MFG_CHKSUM_SIZE]; /*!< md5 checksum */ +}; + +#pragma pack() + +/** + * ---------------------- pci definitions ------------ + */ + +#define bfa_asic_id_ct(devid) \ + ((devid) == PCI_DEVICE_ID_BROCADE_CT || \ + (devid) == PCI_DEVICE_ID_BROCADE_CT_FC) + +#endif /* __BFA_DEFS_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h new file mode 100644 index 000000000000..7e0a9187bdd5 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h @@ -0,0 +1,223 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __BFA_DEFS_CNA_H__ +#define __BFA_DEFS_CNA_H__ + +#include "bfa_defs.h" + +/** + * @brief + * FC physical port statistics. + */ +struct bfa_port_fc_stats { + u64 secs_reset; /*!< Seconds since stats is reset */ + u64 tx_frames; /*!< Tx frames */ + u64 tx_words; /*!< Tx words */ + u64 tx_lip; /*!< Tx LIP */ + u64 tx_nos; /*!< Tx NOS */ + u64 tx_ols; /*!< Tx OLS */ + u64 tx_lr; /*!< Tx LR */ + u64 tx_lrr; /*!< Tx LRR */ + u64 rx_frames; /*!< Rx frames */ + u64 rx_words; /*!< Rx words */ + u64 lip_count; /*!< Rx LIP */ + u64 nos_count; /*!< Rx NOS */ + u64 ols_count; /*!< Rx OLS */ + u64 lr_count; /*!< Rx LR */ + u64 lrr_count; /*!< Rx LRR */ + u64 invalid_crcs; /*!< Rx CRC err frames */ + u64 invalid_crc_gd_eof; /*!< Rx CRC err good EOF frames */ + u64 undersized_frm; /*!< Rx undersized frames */ + u64 oversized_frm; /*!< Rx oversized frames */ + u64 bad_eof_frm; /*!< Rx frames with bad EOF */ + u64 error_frames; /*!< Errored frames */ + u64 dropped_frames; /*!< Dropped frames */ + u64 link_failures; /*!< Link Failure (LF) count */ + u64 loss_of_syncs; /*!< Loss of sync count */ + u64 loss_of_signals; /*!< Loss of signal count */ + u64 primseq_errs; /*!< Primitive sequence protocol err. */ + u64 bad_os_count; /*!< Invalid ordered sets */ + u64 err_enc_out; /*!< Encoding err nonframe_8b10b */ + u64 err_enc; /*!< Encoding err frame_8b10b */ +}; + +/** + * @brief + * Eth Physical Port statistics. + */ +struct bfa_port_eth_stats { + u64 secs_reset; /*!< Seconds since stats is reset */ + u64 frame_64; /*!< Frames 64 bytes */ + u64 frame_65_127; /*!< Frames 65-127 bytes */ + u64 frame_128_255; /*!< Frames 128-255 bytes */ + u64 frame_256_511; /*!< Frames 256-511 bytes */ + u64 frame_512_1023; /*!< Frames 512-1023 bytes */ + u64 frame_1024_1518; /*!< Frames 1024-1518 bytes */ + u64 frame_1519_1522; /*!< Frames 1519-1522 bytes */ + u64 tx_bytes; /*!< Tx bytes */ + u64 tx_packets; /*!< Tx packets */ + u64 tx_mcast_packets; /*!< Tx multicast packets */ + u64 tx_bcast_packets; /*!< Tx broadcast packets */ + u64 tx_control_frame; /*!< Tx control frame */ + u64 tx_drop; /*!< Tx drops */ + u64 tx_jabber; /*!< Tx jabber */ + u64 tx_fcs_error; /*!< Tx FCS errors */ + u64 tx_fragments; /*!< Tx fragments */ + u64 rx_bytes; /*!< Rx bytes */ + u64 rx_packets; /*!< Rx packets */ + u64 rx_mcast_packets; /*!< Rx multicast packets */ + u64 rx_bcast_packets; /*!< Rx broadcast packets */ + u64 rx_control_frames; /*!< Rx control frames */ + u64 rx_unknown_opcode; /*!< Rx unknown opcode */ + u64 rx_drop; /*!< Rx drops */ + u64 rx_jabber; /*!< Rx jabber */ + u64 rx_fcs_error; /*!< Rx FCS errors */ + u64 rx_alignment_error; /*!< Rx alignment errors */ + u64 rx_frame_length_error; /*!< Rx frame len errors */ + u64 rx_code_error; /*!< Rx code errors */ + u64 rx_fragments; /*!< Rx fragments */ + u64 rx_pause; /*!< Rx pause */ + u64 rx_zero_pause; /*!< Rx zero pause */ + u64 tx_pause; /*!< Tx pause */ + u64 tx_zero_pause; /*!< Tx zero pause */ + u64 rx_fcoe_pause; /*!< Rx FCoE pause */ + u64 rx_fcoe_zero_pause; /*!< Rx FCoE zero pause */ + u64 tx_fcoe_pause; /*!< Tx FCoE pause */ + u64 tx_fcoe_zero_pause; /*!< Tx FCoE zero pause */ +}; + +/** + * @brief + * Port statistics. + */ +union bfa_port_stats_u { + struct bfa_port_fc_stats fc; + struct bfa_port_eth_stats eth; +}; + +#pragma pack(1) + +#define BFA_CEE_LLDP_MAX_STRING_LEN (128) +#define BFA_CEE_DCBX_MAX_PRIORITY (8) +#define BFA_CEE_DCBX_MAX_PGID (8) + +#define BFA_CEE_LLDP_SYS_CAP_OTHER 0x0001 +#define BFA_CEE_LLDP_SYS_CAP_REPEATER 0x0002 +#define BFA_CEE_LLDP_SYS_CAP_MAC_BRIDGE 0x0004 +#define BFA_CEE_LLDP_SYS_CAP_WLAN_AP 0x0008 +#define BFA_CEE_LLDP_SYS_CAP_ROUTER 0x0010 +#define BFA_CEE_LLDP_SYS_CAP_TELEPHONE 0x0020 +#define BFA_CEE_LLDP_SYS_CAP_DOCSIS_CD 0x0040 +#define BFA_CEE_LLDP_SYS_CAP_STATION 0x0080 +#define BFA_CEE_LLDP_SYS_CAP_CVLAN 0x0100 +#define BFA_CEE_LLDP_SYS_CAP_SVLAN 0x0200 +#define BFA_CEE_LLDP_SYS_CAP_TPMR 0x0400 + +/* LLDP string type */ +struct bfa_cee_lldp_str { + u8 sub_type; + u8 len; + u8 rsvd[2]; + u8 value[BFA_CEE_LLDP_MAX_STRING_LEN]; +}; + +/* LLDP paramters */ +struct bfa_cee_lldp_cfg { + struct bfa_cee_lldp_str chassis_id; + struct bfa_cee_lldp_str port_id; + struct bfa_cee_lldp_str port_desc; + struct bfa_cee_lldp_str sys_name; + struct bfa_cee_lldp_str sys_desc; + struct bfa_cee_lldp_str mgmt_addr; + u16 time_to_live; + u16 enabled_system_cap; +}; + +enum bfa_cee_dcbx_version { + DCBX_PROTOCOL_PRECEE = 1, + DCBX_PROTOCOL_CEE = 2, +}; + +enum bfa_cee_lls { + /* LLS is down because the TLV not sent by the peer */ + CEE_LLS_DOWN_NO_TLV = 0, + /* LLS is down as advertised by the peer */ + CEE_LLS_DOWN = 1, + CEE_LLS_UP = 2, +}; + +/* CEE/DCBX parameters */ +struct bfa_cee_dcbx_cfg { + u8 pgid[BFA_CEE_DCBX_MAX_PRIORITY]; + u8 pg_percentage[BFA_CEE_DCBX_MAX_PGID]; + u8 pfc_primap; /* bitmap of priorties with PFC enabled */ + u8 fcoe_primap; /* bitmap of priorities used for FcoE traffic */ + u8 iscsi_primap; /* bitmap of priorities used for iSCSI traffic */ + u8 dcbx_version; /* operating version:CEE or preCEE */ + u8 lls_fcoe; /* FCoE Logical Link Status */ + u8 lls_lan; /* LAN Logical Link Status */ + u8 rsvd[2]; +}; + +/* CEE status */ +/* Making this to tri-state for the benefit of port list command */ +enum bfa_cee_status { + CEE_UP = 0, + CEE_PHY_UP = 1, + CEE_LOOPBACK = 2, + CEE_PHY_DOWN = 3, +}; + +/* CEE Query */ +struct bfa_cee_attr { + u8 cee_status; + u8 error_reason; + struct bfa_cee_lldp_cfg lldp_remote; + struct bfa_cee_dcbx_cfg dcbx_remote; + mac_t src_mac; + u8 link_speed; + u8 nw_priority; + u8 filler[2]; +}; + +/* LLDP/DCBX/CEE Statistics */ +struct bfa_cee_stats { + u32 lldp_tx_frames; /*!< LLDP Tx Frames */ + u32 lldp_rx_frames; /*!< LLDP Rx Frames */ + u32 lldp_rx_frames_invalid; /*!< LLDP Rx Frames invalid */ + u32 lldp_rx_frames_new; /*!< LLDP Rx Frames new */ + u32 lldp_tlvs_unrecognized; /*!< LLDP Rx unrecognized TLVs */ + u32 lldp_rx_shutdown_tlvs; /*!< LLDP Rx shutdown TLVs */ + u32 lldp_info_aged_out; /*!< LLDP remote info aged out */ + u32 dcbx_phylink_ups; /*!< DCBX phy link ups */ + u32 dcbx_phylink_downs; /*!< DCBX phy link downs */ + u32 dcbx_rx_tlvs; /*!< DCBX Rx TLVs */ + u32 dcbx_rx_tlvs_invalid; /*!< DCBX Rx TLVs invalid */ + u32 dcbx_control_tlv_error; /*!< DCBX control TLV errors */ + u32 dcbx_feature_tlv_error; /*!< DCBX feature TLV errors */ + u32 dcbx_cee_cfg_new; /*!< DCBX new CEE cfg rcvd */ + u32 cee_status_down; /*!< CEE status down */ + u32 cee_status_up; /*!< CEE status up */ + u32 cee_hw_cfg_changed; /*!< CEE hw cfg changed */ + u32 cee_rx_invalid_cfg; /*!< CEE invalid cfg */ +}; + +#pragma pack() + +#endif /* __BFA_DEFS_CNA_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h new file mode 100644 index 000000000000..885ef3afdd4e --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h @@ -0,0 +1,222 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BFA_DEFS_MFG_COMM_H__ +#define __BFA_DEFS_MFG_COMM_H__ + +#include "cna.h" + +/** + * Manufacturing block version + */ +#define BFA_MFG_VERSION 2 +#define BFA_MFG_VERSION_UNINIT 0xFF + +/** + * Manufacturing block encrypted version + */ +#define BFA_MFG_ENC_VER 2 + +/** + * Manufacturing block version 1 length + */ +#define BFA_MFG_VER1_LEN 128 + +/** + * Manufacturing block header length + */ +#define BFA_MFG_HDR_LEN 4 + +#define BFA_MFG_SERIALNUM_SIZE 11 +#define STRSZ(_n) (((_n) + 4) & ~3) + +/** + * Manufacturing card type + */ +enum { + BFA_MFG_TYPE_CB_MAX = 825, /*!< Crossbow card type max */ + BFA_MFG_TYPE_FC8P2 = 825, /*!< 8G 2port FC card */ + BFA_MFG_TYPE_FC8P1 = 815, /*!< 8G 1port FC card */ + BFA_MFG_TYPE_FC4P2 = 425, /*!< 4G 2port FC card */ + BFA_MFG_TYPE_FC4P1 = 415, /*!< 4G 1port FC card */ + BFA_MFG_TYPE_CNA10P2 = 1020, /*!< 10G 2port CNA card */ + BFA_MFG_TYPE_CNA10P1 = 1010, /*!< 10G 1port CNA card */ + BFA_MFG_TYPE_JAYHAWK = 804, /*!< Jayhawk mezz card */ + BFA_MFG_TYPE_WANCHESE = 1007, /*!< Wanchese mezz card */ + BFA_MFG_TYPE_ASTRA = 807, /*!< Astra mezz card */ + BFA_MFG_TYPE_LIGHTNING_P0 = 902, /*!< Lightning mezz card - old */ + BFA_MFG_TYPE_LIGHTNING = 1741, /*!< Lightning mezz card */ + BFA_MFG_TYPE_INVALID = 0, /*!< Invalid card type */ +}; + +#pragma pack(1) + +/** + * Check if 1-port card + */ +#define bfa_mfg_is_1port(type) (( \ + (type) == BFA_MFG_TYPE_FC8P1 || \ + (type) == BFA_MFG_TYPE_FC4P1 || \ + (type) == BFA_MFG_TYPE_CNA10P1)) + +/** + * Check if Mezz card + */ +#define bfa_mfg_is_mezz(type) (( \ + (type) == BFA_MFG_TYPE_JAYHAWK || \ + (type) == BFA_MFG_TYPE_WANCHESE || \ + (type) == BFA_MFG_TYPE_ASTRA || \ + (type) == BFA_MFG_TYPE_LIGHTNING_P0 || \ + (type) == BFA_MFG_TYPE_LIGHTNING)) + +/** + * Check if card type valid + */ +#define bfa_mfg_is_card_type_valid(type) (( \ + (type) == BFA_MFG_TYPE_FC8P2 || \ + (type) == BFA_MFG_TYPE_FC8P1 || \ + (type) == BFA_MFG_TYPE_FC4P2 || \ + (type) == BFA_MFG_TYPE_FC4P1 || \ + (type) == BFA_MFG_TYPE_CNA10P2 || \ + (type) == BFA_MFG_TYPE_CNA10P1 || \ + bfa_mfg_is_mezz(type))) + +#define bfa_mfg_adapter_prop_init_flash(card_type, prop) \ +do { \ + switch ((card_type)) { \ + case BFA_MFG_TYPE_FC8P2: \ + case BFA_MFG_TYPE_JAYHAWK: \ + case BFA_MFG_TYPE_ASTRA: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \ + BFI_ADAPTER_SETP(SPEED, 8); \ + break; \ + case BFA_MFG_TYPE_FC8P1: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \ + BFI_ADAPTER_SETP(SPEED, 8); \ + break; \ + case BFA_MFG_TYPE_FC4P2: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \ + BFI_ADAPTER_SETP(SPEED, 4); \ + break; \ + case BFA_MFG_TYPE_FC4P1: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \ + BFI_ADAPTER_SETP(SPEED, 4); \ + break; \ + case BFA_MFG_TYPE_CNA10P2: \ + case BFA_MFG_TYPE_WANCHESE: \ + case BFA_MFG_TYPE_LIGHTNING_P0: \ + case BFA_MFG_TYPE_LIGHTNING: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 2); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \ + break; \ + case BFA_MFG_TYPE_CNA10P1: \ + (prop) = BFI_ADAPTER_SETP(NPORTS, 1); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \ + break; \ + default: \ + (prop) = BFI_ADAPTER_UNSUPP; \ + } \ +} while (0) + +enum { + CB_GPIO_TTV = (1), /*!< TTV debug capable cards */ + CB_GPIO_FC8P2 = (2), /*!< 8G 2port FC card */ + CB_GPIO_FC8P1 = (3), /*!< 8G 1port FC card */ + CB_GPIO_FC4P2 = (4), /*!< 4G 2port FC card */ + CB_GPIO_FC4P1 = (5), /*!< 4G 1port FC card */ + CB_GPIO_DFLY = (6), /*!< 8G 2port FC mezzanine card */ + CB_GPIO_PROTO = (1 << 7) /*!< 8G 2port FC prototypes */ +}; + +#define bfa_mfg_adapter_prop_init_gpio(gpio, card_type, prop) \ +do { \ + if ((gpio) & CB_GPIO_PROTO) { \ + (prop) |= BFI_ADAPTER_PROTO; \ + (gpio) &= ~CB_GPIO_PROTO; \ + } \ + switch ((gpio)) { \ + case CB_GPIO_TTV: \ + (prop) |= BFI_ADAPTER_TTV; \ + case CB_GPIO_DFLY: \ + case CB_GPIO_FC8P2: \ + (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \ + (card_type) = BFA_MFG_TYPE_FC8P2; \ + break; \ + case CB_GPIO_FC8P1: \ + (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \ + (card_type) = BFA_MFG_TYPE_FC8P1; \ + break; \ + case CB_GPIO_FC4P2: \ + (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \ + (card_type) = BFA_MFG_TYPE_FC4P2; \ + break; \ + case CB_GPIO_FC4P1: \ + (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \ + (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \ + (card_type) = BFA_MFG_TYPE_FC4P1; \ + break; \ + default: \ + (prop) |= BFI_ADAPTER_UNSUPP; \ + (card_type) = BFA_MFG_TYPE_INVALID; \ + } \ +} while (0) + +/** + * VPD data length + */ +#define BFA_MFG_VPD_LEN 512 +#define BFA_MFG_VPD_LEN_INVALID 0 + +#define BFA_MFG_VPD_PCI_HDR_OFF 137 +#define BFA_MFG_VPD_PCI_VER_MASK 0x07 /*!< version mask 3 bits */ +#define BFA_MFG_VPD_PCI_VDR_MASK 0xf8 /*!< vendor mask 5 bits */ + +/** + * VPD vendor tag + */ +enum { + BFA_MFG_VPD_UNKNOWN = 0, /*!< vendor unknown */ + BFA_MFG_VPD_IBM = 1, /*!< vendor IBM */ + BFA_MFG_VPD_HP = 2, /*!< vendor HP */ + BFA_MFG_VPD_DELL = 3, /*!< vendor DELL */ + BFA_MFG_VPD_PCI_IBM = 0x08, /*!< PCI VPD IBM */ + BFA_MFG_VPD_PCI_HP = 0x10, /*!< PCI VPD HP */ + BFA_MFG_VPD_PCI_DELL = 0x20, /*!< PCI VPD DELL */ + BFA_MFG_VPD_PCI_BRCD = 0xf8, /*!< PCI VPD Brocade */ +}; + +/** + * @brief BFA adapter flash vpd data definition. + * + * All numerical fields are in big-endian format. + */ +struct bfa_mfg_vpd { + u8 version; /*!< vpd data version */ + u8 vpd_sig[3]; /*!< characters 'V', 'P', 'D' */ + u8 chksum; /*!< u8 checksum */ + u8 vendor; /*!< vendor */ + u8 len; /*!< vpd data length excluding header */ + u8 rsv; + u8 data[BFA_MFG_VPD_LEN]; /*!< vpd data */ +}; + +#pragma pack() + +#endif /* __BFA_DEFS_MFG_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h new file mode 100644 index 000000000000..7c5fe6c2e80e --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h @@ -0,0 +1,216 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BFA_DEFS_STATUS_H__ +#define __BFA_DEFS_STATUS_H__ + +/** + * API status return values + * + * NOTE: The error msgs are auto generated from the comments. Only singe line + * comments are supported + */ +enum bfa_status { + BFA_STATUS_OK = 0, + BFA_STATUS_FAILED = 1, + BFA_STATUS_EINVAL = 2, + BFA_STATUS_ENOMEM = 3, + BFA_STATUS_ENOSYS = 4, + BFA_STATUS_ETIMER = 5, + BFA_STATUS_EPROTOCOL = 6, + BFA_STATUS_ENOFCPORTS = 7, + BFA_STATUS_NOFLASH = 8, + BFA_STATUS_BADFLASH = 9, + BFA_STATUS_SFP_UNSUPP = 10, + BFA_STATUS_UNKNOWN_VFID = 11, + BFA_STATUS_DATACORRUPTED = 12, + BFA_STATUS_DEVBUSY = 13, + BFA_STATUS_ABORTED = 14, + BFA_STATUS_NODEV = 15, + BFA_STATUS_HDMA_FAILED = 16, + BFA_STATUS_FLASH_BAD_LEN = 17, + BFA_STATUS_UNKNOWN_LWWN = 18, + BFA_STATUS_UNKNOWN_RWWN = 19, + BFA_STATUS_FCPT_LS_RJT = 20, + BFA_STATUS_VPORT_EXISTS = 21, + BFA_STATUS_VPORT_MAX = 22, + BFA_STATUS_UNSUPP_SPEED = 23, + BFA_STATUS_INVLD_DFSZ = 24, + BFA_STATUS_CNFG_FAILED = 25, + BFA_STATUS_CMD_NOTSUPP = 26, + BFA_STATUS_NO_ADAPTER = 27, + BFA_STATUS_LINKDOWN = 28, + BFA_STATUS_FABRIC_RJT = 29, + BFA_STATUS_UNKNOWN_VWWN = 30, + BFA_STATUS_NSLOGIN_FAILED = 31, + BFA_STATUS_NO_RPORTS = 32, + BFA_STATUS_NSQUERY_FAILED = 33, + BFA_STATUS_PORT_OFFLINE = 34, + BFA_STATUS_RPORT_OFFLINE = 35, + BFA_STATUS_TGTOPEN_FAILED = 36, + BFA_STATUS_BAD_LUNS = 37, + BFA_STATUS_IO_FAILURE = 38, + BFA_STATUS_NO_FABRIC = 39, + BFA_STATUS_EBADF = 40, + BFA_STATUS_EINTR = 41, + BFA_STATUS_EIO = 42, + BFA_STATUS_ENOTTY = 43, + BFA_STATUS_ENXIO = 44, + BFA_STATUS_EFOPEN = 45, + BFA_STATUS_VPORT_WWN_BP = 46, + BFA_STATUS_PORT_NOT_DISABLED = 47, + BFA_STATUS_BADFRMHDR = 48, + BFA_STATUS_BADFRMSZ = 49, + BFA_STATUS_MISSINGFRM = 50, + BFA_STATUS_LINKTIMEOUT = 51, + BFA_STATUS_NO_FCPIM_NEXUS = 52, + BFA_STATUS_CHECKSUM_FAIL = 53, + BFA_STATUS_GZME_FAILED = 54, + BFA_STATUS_SCSISTART_REQD = 55, + BFA_STATUS_IOC_FAILURE = 56, + BFA_STATUS_INVALID_WWN = 57, + BFA_STATUS_MISMATCH = 58, + BFA_STATUS_IOC_ENABLED = 59, + BFA_STATUS_ADAPTER_ENABLED = 60, + BFA_STATUS_IOC_NON_OP = 61, + BFA_STATUS_ADDR_MAP_FAILURE = 62, + BFA_STATUS_SAME_NAME = 63, + BFA_STATUS_PENDING = 64, + BFA_STATUS_8G_SPD = 65, + BFA_STATUS_4G_SPD = 66, + BFA_STATUS_AD_IS_ENABLE = 67, + BFA_STATUS_EINVAL_TOV = 68, + BFA_STATUS_EINVAL_QDEPTH = 69, + BFA_STATUS_VERSION_FAIL = 70, + BFA_STATUS_DIAG_BUSY = 71, + BFA_STATUS_BEACON_ON = 72, + BFA_STATUS_BEACON_OFF = 73, + BFA_STATUS_LBEACON_ON = 74, + BFA_STATUS_LBEACON_OFF = 75, + BFA_STATUS_PORT_NOT_INITED = 76, + BFA_STATUS_RPSC_ENABLED = 77, + BFA_STATUS_ENOFSAVE = 78, + BFA_STATUS_BAD_FILE = 79, + BFA_STATUS_RLIM_EN = 80, + BFA_STATUS_RLIM_DIS = 81, + BFA_STATUS_IOC_DISABLED = 82, + BFA_STATUS_ADAPTER_DISABLED = 83, + BFA_STATUS_BIOS_DISABLED = 84, + BFA_STATUS_AUTH_ENABLED = 85, + BFA_STATUS_AUTH_DISABLED = 86, + BFA_STATUS_ERROR_TRL_ENABLED = 87, + BFA_STATUS_ERROR_QOS_ENABLED = 88, + BFA_STATUS_NO_SFP_DEV = 89, + BFA_STATUS_MEMTEST_FAILED = 90, + BFA_STATUS_INVALID_DEVID = 91, + BFA_STATUS_QOS_ENABLED = 92, + BFA_STATUS_QOS_DISABLED = 93, + BFA_STATUS_INCORRECT_DRV_CONFIG = 94, + BFA_STATUS_REG_FAIL = 95, + BFA_STATUS_IM_INV_CODE = 96, + BFA_STATUS_IM_INV_VLAN = 97, + BFA_STATUS_IM_INV_ADAPT_NAME = 98, + BFA_STATUS_IM_LOW_RESOURCES = 99, + BFA_STATUS_IM_VLANID_IS_PVID = 100, + BFA_STATUS_IM_VLANID_EXISTS = 101, + BFA_STATUS_IM_FW_UPDATE_FAIL = 102, + BFA_STATUS_PORTLOG_ENABLED = 103, + BFA_STATUS_PORTLOG_DISABLED = 104, + BFA_STATUS_FILE_NOT_FOUND = 105, + BFA_STATUS_QOS_FC_ONLY = 106, + BFA_STATUS_RLIM_FC_ONLY = 107, + BFA_STATUS_CT_SPD = 108, + BFA_STATUS_LEDTEST_OP = 109, + BFA_STATUS_CEE_NOT_DN = 110, + BFA_STATUS_10G_SPD = 111, + BFA_STATUS_IM_INV_TEAM_NAME = 112, + BFA_STATUS_IM_DUP_TEAM_NAME = 113, + BFA_STATUS_IM_ADAPT_ALREADY_IN_TEAM = 114, + BFA_STATUS_IM_ADAPT_HAS_VLANS = 115, + BFA_STATUS_IM_PVID_MISMATCH = 116, + BFA_STATUS_IM_LINK_SPEED_MISMATCH = 117, + BFA_STATUS_IM_MTU_MISMATCH = 118, + BFA_STATUS_IM_RSS_MISMATCH = 119, + BFA_STATUS_IM_HDS_MISMATCH = 120, + BFA_STATUS_IM_OFFLOAD_MISMATCH = 121, + BFA_STATUS_IM_PORT_PARAMS = 122, + BFA_STATUS_IM_PORT_NOT_IN_TEAM = 123, + BFA_STATUS_IM_CANNOT_REM_PRI = 124, + BFA_STATUS_IM_MAX_PORTS_REACHED = 125, + BFA_STATUS_IM_LAST_PORT_DELETE = 126, + BFA_STATUS_IM_NO_DRIVER = 127, + BFA_STATUS_IM_MAX_VLANS_REACHED = 128, + BFA_STATUS_TOMCAT_SPD_NOT_ALLOWED = 129, + BFA_STATUS_NO_MINPORT_DRIVER = 130, + BFA_STATUS_CARD_TYPE_MISMATCH = 131, + BFA_STATUS_BAD_ASICBLK = 132, + BFA_STATUS_NO_DRIVER = 133, + BFA_STATUS_INVALID_MAC = 134, + BFA_STATUS_IM_NO_VLAN = 135, + BFA_STATUS_IM_ETH_LB_FAILED = 136, + BFA_STATUS_IM_PVID_REMOVE = 137, + BFA_STATUS_IM_PVID_EDIT = 138, + BFA_STATUS_CNA_NO_BOOT = 139, + BFA_STATUS_IM_PVID_NON_ZERO = 140, + BFA_STATUS_IM_INETCFG_LOCK_FAILED = 141, + BFA_STATUS_IM_GET_INETCFG_FAILED = 142, + BFA_STATUS_IM_NOT_BOUND = 143, + BFA_STATUS_INSUFFICIENT_PERMS = 144, + BFA_STATUS_IM_INV_VLAN_NAME = 145, + BFA_STATUS_CMD_NOTSUPP_CNA = 146, + BFA_STATUS_IM_PASSTHRU_EDIT = 147, + BFA_STATUS_IM_BIND_FAILED = 148, + BFA_STATUS_IM_UNBIND_FAILED = 149, + BFA_STATUS_IM_PORT_IN_TEAM = 150, + BFA_STATUS_IM_VLAN_NOT_FOUND = 151, + BFA_STATUS_IM_TEAM_NOT_FOUND = 152, + BFA_STATUS_IM_TEAM_CFG_NOT_ALLOWED = 153, + BFA_STATUS_PBC = 154, + BFA_STATUS_DEVID_MISSING = 155, + BFA_STATUS_BAD_FWCFG = 156, + BFA_STATUS_CREATE_FILE = 157, + BFA_STATUS_INVALID_VENDOR = 158, + BFA_STATUS_SFP_NOT_READY = 159, + BFA_STATUS_FLASH_UNINIT = 160, + BFA_STATUS_FLASH_EMPTY = 161, + BFA_STATUS_FLASH_CKFAIL = 162, + BFA_STATUS_TRUNK_UNSUPP = 163, + BFA_STATUS_TRUNK_ENABLED = 164, + BFA_STATUS_TRUNK_DISABLED = 165, + BFA_STATUS_TRUNK_ERROR_TRL_ENABLED = 166, + BFA_STATUS_BOOT_CODE_UPDATED = 167, + BFA_STATUS_BOOT_VERSION = 168, + BFA_STATUS_CARDTYPE_MISSING = 169, + BFA_STATUS_INVALID_CARDTYPE = 170, + BFA_STATUS_NO_TOPOLOGY_FOR_CNA = 171, + BFA_STATUS_IM_VLAN_OVER_TEAM_DELETE_FAILED = 172, + BFA_STATUS_ETHBOOT_ENABLED = 173, + BFA_STATUS_ETHBOOT_DISABLED = 174, + BFA_STATUS_IOPROFILE_OFF = 175, + BFA_STATUS_NO_PORT_INSTANCE = 176, + BFA_STATUS_BOOT_CODE_TIMEDOUT = 177, + BFA_STATUS_NO_VPORT_LOCK = 178, + BFA_STATUS_VPORT_NO_CNFG = 179, + BFA_STATUS_MAX_VAL +}; + +enum bfa_eproto_status { + BFA_EPROTO_BAD_ACCEPT = 0, + BFA_EPROTO_UNKNOWN_RSP = 1 +}; + +#endif /* __BFA_DEFS_STATUS_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c new file mode 100644 index 000000000000..3cdea65aee12 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -0,0 +1,2326 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#include "bfa_ioc.h" +#include "cna.h" +#include "bfi.h" +#include "bfi_reg.h" +#include "bfa_defs.h" + +/** + * IOC local definitions + */ + +/** + * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. + */ + +#define bfa_ioc_firmware_lock(__ioc) \ + ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) +#define bfa_ioc_firmware_unlock(__ioc) \ + ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) +#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) +#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) +#define bfa_ioc_notify_fail(__ioc) \ + ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) +#define bfa_ioc_sync_start(__ioc) \ + ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) +#define bfa_ioc_sync_join(__ioc) \ + ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) +#define bfa_ioc_sync_leave(__ioc) \ + ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) +#define bfa_ioc_sync_ack(__ioc) \ + ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) +#define bfa_ioc_sync_complete(__ioc) \ + ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) + +#define bfa_ioc_mbox_cmd_pending(__ioc) \ + (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ + readl((__ioc)->ioc_regs.hfn_mbox_cmd)) + +static bool bfa_nw_auto_recover = true; + +/* + * forward declarations + */ +static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc); +static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc); +static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc); +static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force); +static void bfa_ioc_send_enable(struct bfa_ioc *ioc); +static void bfa_ioc_send_disable(struct bfa_ioc *ioc); +static void bfa_ioc_send_getattr(struct bfa_ioc *ioc); +static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc); +static void bfa_ioc_hb_stop(struct bfa_ioc *ioc); +static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force); +static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc); +static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc); +static void bfa_ioc_recover(struct bfa_ioc *ioc); +static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc); +static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event); +static void bfa_ioc_disable_comp(struct bfa_ioc *ioc); +static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc); +static void bfa_ioc_fail_notify(struct bfa_ioc *ioc); +static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc); +static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc); +static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc); +static void bfa_ioc_pf_failed(struct bfa_ioc *ioc); +static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc); +static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, + u32 boot_param); +static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr); +static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, + char *serial_num); +static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, + char *fw_ver); +static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, + char *chip_rev); +static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, + char *optrom_ver); +static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, + char *manufacturer); +static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); +static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); + +/** + * IOC state machine definitions/declarations + */ +enum ioc_event { + IOC_E_RESET = 1, /*!< IOC reset request */ + IOC_E_ENABLE = 2, /*!< IOC enable request */ + IOC_E_DISABLE = 3, /*!< IOC disable request */ + IOC_E_DETACH = 4, /*!< driver detach cleanup */ + IOC_E_ENABLED = 5, /*!< f/w enabled */ + IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */ + IOC_E_DISABLED = 7, /*!< f/w disabled */ + IOC_E_INITFAILED = 8, /*!< failure notice by iocpf sm */ + IOC_E_PFFAILED = 9, /*!< failure notice by iocpf sm */ + IOC_E_HBFAIL = 10, /*!< heartbeat failure */ + IOC_E_HWERROR = 11, /*!< hardware error interrupt */ + IOC_E_TIMEOUT = 12, /*!< timeout */ +}; + +bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); + +static struct bfa_sm_table ioc_sm_table[] = { + {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, + {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, + {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, + {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, + {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, + {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, + {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, + {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, + {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, +}; + +/** + * IOCPF state machine definitions/declarations + */ + +/* + * Forward declareations for iocpf state machine + */ +static void bfa_iocpf_enable(struct bfa_ioc *ioc); +static void bfa_iocpf_disable(struct bfa_ioc *ioc); +static void bfa_iocpf_fail(struct bfa_ioc *ioc); +static void bfa_iocpf_initfail(struct bfa_ioc *ioc); +static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); +static void bfa_iocpf_stop(struct bfa_ioc *ioc); + +/** + * IOCPF state machine events + */ +enum iocpf_event { + IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */ + IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */ + IOCPF_E_STOP = 3, /*!< stop on driver detach */ + IOCPF_E_FWREADY = 4, /*!< f/w initialization done */ + IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */ + IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */ + IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */ + IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */ + IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */ + IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */ + IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */ +}; + +/** + * IOCPF states + */ +enum bfa_iocpf_state { + BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */ + BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */ + BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */ + BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */ + BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */ + BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */ + BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */ + BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */ + BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */ +}; + +bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf, + enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, + enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); + +static struct bfa_sm_table iocpf_sm_table[] = { + {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, + {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, + {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, + {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, + {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, + {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, + {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, + {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, + {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, + {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, + {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, + {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, + {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, + {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, +}; + +/** + * IOC State Machine + */ + +/** + * Beginning state. IOC uninit state. + */ +static void +bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc) +{ +} + +/** + * IOC is in uninit state. + */ +static void +bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_RESET: + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * Reset entry actions -- initialize state machine + */ +static void +bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) +{ + bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); +} + +/** + * IOC is in reset state. + */ +static void +bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); + break; + + case IOC_E_DISABLE: + bfa_ioc_disable_comp(ioc); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) +{ + bfa_iocpf_enable(ioc); +} + +/** + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. + */ +static void +bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + break; + + case IOC_E_PFFAILED: + /* !!! fall through !!! */ + case IOC_E_HWERROR: + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); + if (event != IOC_E_PFFAILED) + bfa_iocpf_initfail(ioc); + break; + + case IOC_E_DISABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); + break; + + case IOC_E_ENABLE: + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * Semaphore should be acquired for version check. + */ +static void +bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) +{ + mod_timer(&ioc->ioc_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_send_getattr(ioc); +} + +/** + * IOC configuration in progress. Timer is active. + */ +static void +bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_FWRSP_GETATTR: + del_timer(&ioc->ioc_timer); + bfa_ioc_check_attr_wwns(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_op); + break; + + case IOC_E_PFFAILED: + case IOC_E_HWERROR: + del_timer(&ioc->ioc_timer); + /* fall through */ + case IOC_E_TIMEOUT: + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); + if (event != IOC_E_PFFAILED) + bfa_iocpf_getattrfail(ioc); + break; + + case IOC_E_DISABLE: + del_timer(&ioc->ioc_timer); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_ENABLE: + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_ioc_sm_op_entry(struct bfa_ioc *ioc) +{ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); + bfa_ioc_hb_monitor(ioc); +} + +static void +bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLE: + break; + + case IOC_E_DISABLE: + bfa_ioc_hb_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_PFFAILED: + case IOC_E_HWERROR: + bfa_ioc_hb_stop(ioc); + /* !!! fall through !!! */ + case IOC_E_HBFAIL: + bfa_ioc_fail_notify(ioc); + if (ioc->iocpf.auto_recover) + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); + else + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); + + if (event != IOC_E_PFFAILED) + bfa_iocpf_fail(ioc); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) +{ + bfa_iocpf_disable(ioc); +} + +/** + * IOC is being desabled + */ +static void +bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_DISABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + break; + + case IOC_E_HWERROR: + /* + * No state change. Will move to disabled state + * after iocpf sm completes failure processing and + * moves to disabled state. + */ + bfa_iocpf_fail(ioc); + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * IOC desable completion entry. + */ +static void +bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) +{ + bfa_ioc_disable_comp(ioc); +} + +static void +bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); + break; + + case IOC_E_DISABLE: + ioc->cbfn->disable_cbfn(ioc->bfa); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) +{ +} + +/** + * Hardware initialization retry. + */ +static void +bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + break; + + case IOC_E_PFFAILED: + case IOC_E_HWERROR: + /** + * Initialization retry failed. + */ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + if (event != IOC_E_PFFAILED) + bfa_iocpf_initfail(ioc); + break; + + case IOC_E_INITFAILED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); + break; + + case IOC_E_ENABLE: + break; + + case IOC_E_DISABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) +{ +} + +/** + * IOC failure. + */ +static void +bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) +{ + switch (event) { + case IOC_E_ENABLE: + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + break; + + case IOC_E_DISABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); + break; + + case IOC_E_HWERROR: + /* HB failure notification, ignore. */ + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * IOCPF State Machine + */ + +/** + * Reset entry actions -- initialize state machine + */ +static void +bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) +{ + iocpf->retry_count = 0; + iocpf->auto_recover = bfa_nw_auto_recover; +} + +/** + * Beginning state. IOC is in reset state. + */ +static void +bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + switch (event) { + case IOCPF_E_ENABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); + break; + + case IOCPF_E_STOP: + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * Semaphore should be acquired for version check. + */ +static void +bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_hw_sem_init(iocpf->ioc); + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * Awaiting h/w semaphore to continue with version check. + */ +static void +bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + if (bfa_ioc_firmware_lock(ioc)) { + if (bfa_ioc_sync_start(ioc)) { + iocpf->retry_count = 0; + bfa_ioc_sync_join(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + } else { + bfa_ioc_firmware_unlock(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + mod_timer(&ioc->sem_timer, jiffies + + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); + } + } else { + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); + } + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + bfa_ioc_pf_disabled(ioc); + break; + + case IOCPF_E_STOP: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * Notify enable completion callback + */ +static void +bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) +{ + /* Call only the first time sm enters fwmismatch state. */ + if (iocpf->retry_count == 0) + bfa_ioc_pf_fwmismatch(iocpf->ioc); + + iocpf->retry_count++; + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); +} + +/** + * Awaiting firmware version match. + */ +static void +bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_TIMEOUT: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); + break; + + case IOCPF_E_DISABLE: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + bfa_ioc_pf_disabled(ioc); + break; + + case IOCPF_E_STOP: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * Request for semaphore. + */ +static void +bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * Awaiting semaphore for h/w initialzation. + */ +static void +bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + if (bfa_ioc_sync_complete(ioc)) { + bfa_ioc_sync_join(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + } else { + bfa_nw_ioc_hw_sem_release(ioc); + mod_timer(&ioc->sem_timer, jiffies + + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); + } + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) +{ + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_reset(iocpf->ioc, 0); +} + +/** + * Hardware is being initialized. Interrupts are enabled. + * Holding hardware semaphore lock. + */ +static void +bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_FWREADY: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); + break; + + case IOCPF_E_INITFAIL: + del_timer(&ioc->iocpf_timer); + /* + * !!! fall through !!! + */ + + case IOCPF_E_TIMEOUT: + bfa_nw_ioc_hw_sem_release(ioc); + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); + break; + + case IOCPF_E_DISABLE: + del_timer(&ioc->iocpf_timer); + bfa_ioc_sync_leave(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) +{ + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_send_enable(iocpf->ioc); +} + +/** + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. + */ +static void +bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_FWRSP_ENABLE: + del_timer(&ioc->iocpf_timer); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); + break; + + case IOCPF_E_INITFAIL: + del_timer(&ioc->iocpf_timer); + /* + * !!! fall through !!! + */ + case IOCPF_E_TIMEOUT: + bfa_nw_ioc_hw_sem_release(ioc); + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); + break; + + case IOCPF_E_DISABLE: + del_timer(&ioc->iocpf_timer); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); + break; + + case IOCPF_E_FWREADY: + bfa_ioc_send_enable(ioc); + break; + + default: + bfa_sm_fault(event); + } +} + +static bool +bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) +{ + return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); +} + +static void +bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_pf_enabled(iocpf->ioc); +} + +static void +bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_DISABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); + break; + + case IOCPF_E_GETATTRFAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); + break; + + case IOCPF_E_FAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); + break; + + case IOCPF_E_FWREADY: + bfa_ioc_pf_failed(ioc); + if (bfa_nw_ioc_is_operational(ioc)) + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); + else + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) +{ + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_send_disable(iocpf->ioc); +} + +/** + * IOC is being disabled + */ +static void +bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_FWRSP_DISABLE: + case IOCPF_E_FWREADY: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + case IOCPF_E_FAIL: + del_timer(&ioc->iocpf_timer); + /* + * !!! fall through !!! + */ + + case IOCPF_E_TIMEOUT: + writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + case IOCPF_E_FWRSP_ENABLE: + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * IOC hb ack request is being removed. + */ +static void +bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + bfa_ioc_sync_leave(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); + break; + + case IOCPF_E_FAIL: + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * IOC disable completion entry. + */ +static void +bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_mbox_flush(iocpf->ioc); + bfa_ioc_pf_disabled(iocpf->ioc); +} + +static void +bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_ENABLE: + iocpf->retry_count = 0; + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); + break; + + case IOCPF_E_STOP: + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * Hardware initialization failed. + */ +static void +bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + bfa_ioc_notify_fail(ioc); + bfa_ioc_sync_ack(ioc); + iocpf->retry_count++; + if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) { + bfa_ioc_sync_leave(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); + } else { + if (bfa_ioc_sync_complete(ioc)) + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + else { + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); + } + } + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + case IOCPF_E_STOP: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + case IOCPF_E_FAIL: + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_pf_initfailed(iocpf->ioc); +} + +/** + * Hardware initialization failed. + */ +static void +bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_DISABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); + break; + + case IOCPF_E_STOP: + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) +{ + /** + * Mark IOC as failed in hardware and stop firmware. + */ + bfa_ioc_lpu_stop(iocpf->ioc); + + /** + * Flush any queued up mailbox requests. + */ + bfa_ioc_mbox_flush(iocpf->ioc); + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * IOC is in failed state. + */ +static void +bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + iocpf->retry_count = 0; + bfa_ioc_sync_ack(ioc); + bfa_ioc_notify_fail(ioc); + if (!iocpf->auto_recover) { + bfa_ioc_sync_leave(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); + } else { + if (bfa_ioc_sync_complete(ioc)) + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + else { + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); + } + } + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + case IOCPF_E_FAIL: + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) +{ +} + +/** + * @brief + * IOC is in failed state. + */ +static void +bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + switch (event) { + case IOCPF_E_DISABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); + break; + + default: + bfa_sm_fault(event); + } +} + +/** + * BFA IOC private functions + */ + +/** + * Notify common modules registered for notification. + */ +static void +bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event) +{ + struct bfa_ioc_notify *notify; + struct list_head *qe; + + list_for_each(qe, &ioc->notify_q) { + notify = (struct bfa_ioc_notify *)qe; + notify->cbfn(notify->cbarg, event); + } +} + +static void +bfa_ioc_disable_comp(struct bfa_ioc *ioc) +{ + ioc->cbfn->disable_cbfn(ioc->bfa); + bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); +} + +bool +bfa_nw_ioc_sem_get(void __iomem *sem_reg) +{ + u32 r32; + int cnt = 0; +#define BFA_SEM_SPINCNT 3000 + + r32 = readl(sem_reg); + + while (r32 && (cnt < BFA_SEM_SPINCNT)) { + cnt++; + udelay(2); + r32 = readl(sem_reg); + } + + if (r32 == 0) + return true; + + BUG_ON(!(cnt < BFA_SEM_SPINCNT)); + return false; +} + +void +bfa_nw_ioc_sem_release(void __iomem *sem_reg) +{ + writel(1, sem_reg); +} + +static void +bfa_ioc_hw_sem_init(struct bfa_ioc *ioc) +{ + struct bfi_ioc_image_hdr fwhdr; + u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate); + + if (fwstate == BFI_IOC_UNINIT) + return; + + bfa_nw_ioc_fwver_get(ioc, &fwhdr); + + if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) + return; + + writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); + + /* + * Try to lock and then unlock the semaphore. + */ + readl(ioc->ioc_regs.ioc_sem_reg); + writel(1, ioc->ioc_regs.ioc_sem_reg); +} + +static void +bfa_ioc_hw_sem_get(struct bfa_ioc *ioc) +{ + u32 r32; + + /** + * First read to the semaphore register will return 0, subsequent reads + * will return 1. Semaphore is released by writing 1 to the register + */ + r32 = readl(ioc->ioc_regs.ioc_sem_reg); + if (r32 == 0) { + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); + return; + } + + mod_timer(&ioc->sem_timer, jiffies + + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); +} + +void +bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc) +{ + writel(1, ioc->ioc_regs.ioc_sem_reg); +} + +static void +bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) +{ + del_timer(&ioc->sem_timer); +} + +/** + * @brief + * Initialize LPU local memory (aka secondary memory / SRAM) + */ +static void +bfa_ioc_lmem_init(struct bfa_ioc *ioc) +{ + u32 pss_ctl; + int i; +#define PSS_LMEM_INIT_TIME 10000 + + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); + pss_ctl &= ~__PSS_LMEM_RESET; + pss_ctl |= __PSS_LMEM_INIT_EN; + + /* + * i2c workaround 12.5khz clock + */ + pss_ctl |= __PSS_I2C_CLK_DIV(3UL); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); + + /** + * wait for memory initialization to be complete + */ + i = 0; + do { + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); + i++; + } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); + + /** + * If memory initialization is not successful, IOC timeout will catch + * such failures. + */ + BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); + + pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); +} + +static void +bfa_ioc_lpu_start(struct bfa_ioc *ioc) +{ + u32 pss_ctl; + + /** + * Take processor out of reset. + */ + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); + pss_ctl &= ~__PSS_LPU0_RESET; + + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); +} + +static void +bfa_ioc_lpu_stop(struct bfa_ioc *ioc) +{ + u32 pss_ctl; + + /** + * Put processors in reset. + */ + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); + pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); + + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); +} + +/** + * Get driver and firmware versions. + */ +void +bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) +{ + u32 pgnum; + u32 loff = 0; + int i; + u32 *fwsig = (u32 *) fwhdr; + + pgnum = bfa_ioc_smem_pgnum(ioc, loff); + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + + for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); + i++) { + fwsig[i] = + swab32(readl((loff) + (ioc->ioc_regs.smem_page_start))); + loff += sizeof(u32); + } +} + +/** + * Returns TRUE if same. + */ +bool +bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) +{ + struct bfi_ioc_image_hdr *drv_fwhdr; + int i; + + drv_fwhdr = (struct bfi_ioc_image_hdr *) + bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); + + for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { + if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) + return false; + } + + return true; +} + +/** + * Return true if current running version is valid. Firmware signature and + * execution context (driver/bios) must match. + */ +static bool +bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env) +{ + struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr; + + bfa_nw_ioc_fwver_get(ioc, &fwhdr); + drv_fwhdr = (struct bfi_ioc_image_hdr *) + bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); + + if (fwhdr.signature != drv_fwhdr->signature) + return false; + + if (swab32(fwhdr.param) != boot_env) + return false; + + return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); +} + +/** + * Conditionally flush any pending message from firmware at start. + */ +static void +bfa_ioc_msgflush(struct bfa_ioc *ioc) +{ + u32 r32; + + r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); + if (r32) + writel(1, ioc->ioc_regs.lpu_mbox_cmd); +} + +/** + * @img ioc_init_logic.jpg + */ +static void +bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) +{ + enum bfi_ioc_state ioc_fwstate; + bool fwvalid; + u32 boot_env; + + ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); + + boot_env = BFI_BOOT_LOADER_OS; + + if (force) + ioc_fwstate = BFI_IOC_UNINIT; + + /** + * check if firmware is valid + */ + fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? + false : bfa_ioc_fwver_valid(ioc, boot_env); + + if (!fwvalid) { + bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); + return; + } + + /** + * If hardware initialization is in progress (initialized by other IOC), + * just wait for an initialization completion interrupt. + */ + if (ioc_fwstate == BFI_IOC_INITING) { + ioc->cbfn->reset_cbfn(ioc->bfa); + return; + } + + /** + * If IOC function is disabled and firmware version is same, + * just re-enable IOC. + */ + if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { + /** + * When using MSI-X any pending firmware ready event should + * be flushed. Otherwise MSI-X interrupts are not delivered. + */ + bfa_ioc_msgflush(ioc); + ioc->cbfn->reset_cbfn(ioc->bfa); + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); + return; + } + + /** + * Initialize the h/w for any other states. + */ + bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); +} + +void +bfa_nw_ioc_timeout(void *ioc_arg) +{ + struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; + + bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); +} + +static void +bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len) +{ + u32 *msgp = (u32 *) ioc_msg; + u32 i; + + BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX)); + + /* + * first write msg to mailbox registers + */ + for (i = 0; i < len / sizeof(u32); i++) + writel(cpu_to_le32(msgp[i]), + ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); + + for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) + writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); + + /* + * write 1 to mailbox CMD to trigger LPU event + */ + writel(1, ioc->ioc_regs.hfn_mbox_cmd); + (void) readl(ioc->ioc_regs.hfn_mbox_cmd); +} + +static void +bfa_ioc_send_enable(struct bfa_ioc *ioc) +{ + struct bfi_ioc_ctrl_req enable_req; + struct timeval tv; + + bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, + bfa_ioc_portid(ioc)); + enable_req.ioc_class = ioc->ioc_mc; + do_gettimeofday(&tv); + enable_req.tv_sec = ntohl(tv.tv_sec); + bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); +} + +static void +bfa_ioc_send_disable(struct bfa_ioc *ioc) +{ + struct bfi_ioc_ctrl_req disable_req; + + bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, + bfa_ioc_portid(ioc)); + bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); +} + +static void +bfa_ioc_send_getattr(struct bfa_ioc *ioc) +{ + struct bfi_ioc_getattr_req attr_req; + + bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, + bfa_ioc_portid(ioc)); + bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); + bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); +} + +void +bfa_nw_ioc_hb_check(void *cbarg) +{ + struct bfa_ioc *ioc = cbarg; + u32 hb_count; + + hb_count = readl(ioc->ioc_regs.heartbeat); + if (ioc->hb_count == hb_count) { + bfa_ioc_recover(ioc); + return; + } else { + ioc->hb_count = hb_count; + } + + bfa_ioc_mbox_poll(ioc); + mod_timer(&ioc->hb_timer, jiffies + + msecs_to_jiffies(BFA_IOC_HB_TOV)); +} + +static void +bfa_ioc_hb_monitor(struct bfa_ioc *ioc) +{ + ioc->hb_count = readl(ioc->ioc_regs.heartbeat); + mod_timer(&ioc->hb_timer, jiffies + + msecs_to_jiffies(BFA_IOC_HB_TOV)); +} + +static void +bfa_ioc_hb_stop(struct bfa_ioc *ioc) +{ + del_timer(&ioc->hb_timer); +} + +/** + * @brief + * Initiate a full firmware download. + */ +static void +bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, + u32 boot_env) +{ + u32 *fwimg; + u32 pgnum; + u32 loff = 0; + u32 chunkno = 0; + u32 i; + + /** + * Initialize LMEM first before code download + */ + bfa_ioc_lmem_init(ioc); + + fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); + + pgnum = bfa_ioc_smem_pgnum(ioc, loff); + + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + + for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) { + if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { + chunkno = BFA_IOC_FLASH_CHUNK_NO(i); + fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), + BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); + } + + /** + * write smem + */ + writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])), + ((ioc->ioc_regs.smem_page_start) + (loff))); + + loff += sizeof(u32); + + /** + * handle page offset wrap around + */ + loff = PSS_SMEM_PGOFF(loff); + if (loff == 0) { + pgnum++; + writel(pgnum, + ioc->ioc_regs.host_page_num_fn); + } + } + + writel(bfa_ioc_smem_pgnum(ioc, 0), + ioc->ioc_regs.host_page_num_fn); + + /* + * Set boot type and boot param at the end. + */ + writel(boot_type, ((ioc->ioc_regs.smem_page_start) + + (BFI_BOOT_TYPE_OFF))); + writel(boot_env, ((ioc->ioc_regs.smem_page_start) + + (BFI_BOOT_LOADER_OFF))); +} + +static void +bfa_ioc_reset(struct bfa_ioc *ioc, bool force) +{ + bfa_ioc_hwinit(ioc, force); +} + +/** + * @brief + * Update BFA configuration from firmware configuration. + */ +static void +bfa_ioc_getattr_reply(struct bfa_ioc *ioc) +{ + struct bfi_ioc_attr *attr = ioc->attr; + + attr->adapter_prop = ntohl(attr->adapter_prop); + attr->card_type = ntohl(attr->card_type); + attr->maxfrsize = ntohs(attr->maxfrsize); + + bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); +} + +/** + * Attach time initialization of mbox logic. + */ +static void +bfa_ioc_mbox_attach(struct bfa_ioc *ioc) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + int mc; + + INIT_LIST_HEAD(&mod->cmd_q); + for (mc = 0; mc < BFI_MC_MAX; mc++) { + mod->mbhdlr[mc].cbfn = NULL; + mod->mbhdlr[mc].cbarg = ioc->bfa; + } +} + +/** + * Mbox poll timer -- restarts any pending mailbox requests. + */ +static void +bfa_ioc_mbox_poll(struct bfa_ioc *ioc) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd *cmd; + u32 stat; + + /** + * If no command pending, do nothing + */ + if (list_empty(&mod->cmd_q)) + return; + + /** + * If previous command is not yet fetched by firmware, do nothing + */ + stat = readl(ioc->ioc_regs.hfn_mbox_cmd); + if (stat) + return; + + /** + * Enqueue command to firmware. + */ + bfa_q_deq(&mod->cmd_q, &cmd); + bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); +} + +/** + * Cleanup any pending requests. + */ +static void +bfa_ioc_mbox_flush(struct bfa_ioc *ioc) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd *cmd; + + while (!list_empty(&mod->cmd_q)) + bfa_q_deq(&mod->cmd_q, &cmd); +} + +static void +bfa_ioc_fail_notify(struct bfa_ioc *ioc) +{ + /** + * Notify driver and common modules registered for notification. + */ + ioc->cbfn->hbfail_cbfn(ioc->bfa); + bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); +} + +static void +bfa_ioc_pf_enabled(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_ENABLED); +} + +static void +bfa_ioc_pf_disabled(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_DISABLED); +} + +static void +bfa_ioc_pf_initfailed(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_INITFAILED); +} + +static void +bfa_ioc_pf_failed(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_PFFAILED); +} + +static void +bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) +{ + /** + * Provide enable completion callback and AEN notification. + */ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); +} + +/** + * IOC public + */ +static enum bfa_status +bfa_ioc_pll_init(struct bfa_ioc *ioc) +{ + /* + * Hold semaphore so that nobody can access the chip during init. + */ + bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); + + bfa_ioc_pll_init_asic(ioc); + + ioc->pllinit = true; + /* + * release semaphore. + */ + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); + + return BFA_STATUS_OK; +} + +/** + * Interface used by diag module to do firmware boot with memory test + * as the entry vector. + */ +static void +bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env) +{ + void __iomem *rb; + + bfa_ioc_stats(ioc, ioc_boots); + + if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) + return; + + /** + * Initialize IOC state of all functions on a chip reset. + */ + rb = ioc->pcidev.pci_bar_kva; + if (boot_type == BFI_BOOT_TYPE_MEMTEST) { + writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG)); + } else { + writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG)); + } + + bfa_ioc_msgflush(ioc); + bfa_ioc_download_fw(ioc, boot_type, boot_env); + + /** + * Enable interrupts just before starting LPU + */ + ioc->cbfn->reset_cbfn(ioc->bfa); + bfa_ioc_lpu_start(ioc); +} + +/** + * Enable/disable IOC failure auto recovery. + */ +void +bfa_nw_ioc_auto_recover(bool auto_recover) +{ + bfa_nw_auto_recover = auto_recover; +} + +static void +bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg) +{ + u32 *msgp = mbmsg; + u32 r32; + int i; + + /** + * read the MBOX msg + */ + for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); + i++) { + r32 = readl(ioc->ioc_regs.lpu_mbox + + i * sizeof(u32)); + msgp[i] = htonl(r32); + } + + /** + * turn off mailbox interrupt by clearing mailbox status + */ + writel(1, ioc->ioc_regs.lpu_mbox_cmd); + readl(ioc->ioc_regs.lpu_mbox_cmd); +} + +static void +bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) +{ + union bfi_ioc_i2h_msg_u *msg; + struct bfa_iocpf *iocpf = &ioc->iocpf; + + msg = (union bfi_ioc_i2h_msg_u *) m; + + bfa_ioc_stats(ioc, ioc_isrs); + + switch (msg->mh.msg_id) { + case BFI_IOC_I2H_HBEAT: + break; + + case BFI_IOC_I2H_READY_EVENT: + bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY); + break; + + case BFI_IOC_I2H_ENABLE_REPLY: + bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); + break; + + case BFI_IOC_I2H_DISABLE_REPLY: + bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); + break; + + case BFI_IOC_I2H_GETATTR_REPLY: + bfa_ioc_getattr_reply(ioc); + break; + + default: + BUG_ON(1); + } +} + +/** + * IOC attach time initialization and setup. + * + * @param[in] ioc memory for IOC + * @param[in] bfa driver instance structure + */ +void +bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) +{ + ioc->bfa = bfa; + ioc->cbfn = cbfn; + ioc->fcmode = false; + ioc->pllinit = false; + ioc->dbg_fwsave_once = true; + ioc->iocpf.ioc = ioc; + + bfa_ioc_mbox_attach(ioc); + INIT_LIST_HEAD(&ioc->notify_q); + + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_fsm_send_event(ioc, IOC_E_RESET); +} + +/** + * Driver detach time IOC cleanup. + */ +void +bfa_nw_ioc_detach(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_DETACH); +} + +/** + * Setup IOC PCI properties. + * + * @param[in] pcidev PCI device information for this IOC + */ +void +bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, + enum bfi_mclass mc) +{ + ioc->ioc_mc = mc; + ioc->pcidev = *pcidev; + ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id); + ioc->cna = ioc->ctdev && !ioc->fcmode; + + bfa_nw_ioc_set_ct_hwif(ioc); + + bfa_ioc_map_port(ioc); + bfa_ioc_reg_init(ioc); +} + +/** + * Initialize IOC dma memory + * + * @param[in] dm_kva kernel virtual address of IOC dma memory + * @param[in] dm_pa physical address of IOC dma memory + */ +void +bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) +{ + /** + * dma memory for firmware attribute + */ + ioc->attr_dma.kva = dm_kva; + ioc->attr_dma.pa = dm_pa; + ioc->attr = (struct bfi_ioc_attr *) dm_kva; +} + +/** + * Return size of dma memory required. + */ +u32 +bfa_nw_ioc_meminfo(void) +{ + return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ); +} + +void +bfa_nw_ioc_enable(struct bfa_ioc *ioc) +{ + bfa_ioc_stats(ioc, ioc_enables); + ioc->dbg_fwsave_once = true; + + bfa_fsm_send_event(ioc, IOC_E_ENABLE); +} + +void +bfa_nw_ioc_disable(struct bfa_ioc *ioc) +{ + bfa_ioc_stats(ioc, ioc_disables); + bfa_fsm_send_event(ioc, IOC_E_DISABLE); +} + +static u32 +bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) +{ + return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); +} + +/** + * Register mailbox message handler function, to be called by common modules + */ +void +bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, + bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + + mod->mbhdlr[mc].cbfn = cbfn; + mod->mbhdlr[mc].cbarg = cbarg; +} + +/** + * Queue a mailbox command request to firmware. Waits if mailbox is busy. + * Responsibility of caller to serialize + * + * @param[in] ioc IOC instance + * @param[i] cmd Mailbox command + */ +void +bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + u32 stat; + + /** + * If a previous command is pending, queue new command + */ + if (!list_empty(&mod->cmd_q)) { + list_add_tail(&cmd->qe, &mod->cmd_q); + return; + } + + /** + * If mailbox is busy, queue command for poll timer + */ + stat = readl(ioc->ioc_regs.hfn_mbox_cmd); + if (stat) { + list_add_tail(&cmd->qe, &mod->cmd_q); + return; + } + + /** + * mailbox is free -- queue command to firmware + */ + bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); + + return; +} + +/** + * Handle mailbox interrupts + */ +void +bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) +{ + struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; + struct bfi_mbmsg m; + int mc; + + bfa_ioc_msgget(ioc, &m); + + /** + * Treat IOC message class as special. + */ + mc = m.mh.msg_class; + if (mc == BFI_MC_IOC) { + bfa_ioc_isr(ioc, &m); + return; + } + + if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) + return; + + mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); +} + +void +bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) +{ + bfa_ioc_stats(ioc, ioc_hbfails); + bfa_ioc_stats_hb_count(ioc, ioc->hb_count); + bfa_fsm_send_event(ioc, IOC_E_HWERROR); +} + +/** + * return true if IOC is disabled + */ +bool +bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) +{ + return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || + bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); +} + +/** + * Add to IOC heartbeat failure notification queue. To be used by common + * modules such as cee, port, diag. + */ +void +bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, + struct bfa_ioc_notify *notify) +{ + list_add_tail(¬ify->qe, &ioc->notify_q); +} + +#define BFA_MFG_NAME "Brocade" +static void +bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc, + struct bfa_adapter_attr *ad_attr) +{ + struct bfi_ioc_attr *ioc_attr; + + ioc_attr = ioc->attr; + + bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); + bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); + bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); + bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); + memcpy(&ad_attr->vpd, &ioc_attr->vpd, + sizeof(struct bfa_mfg_vpd)); + + ad_attr->nports = bfa_ioc_get_nports(ioc); + ad_attr->max_speed = bfa_ioc_speed_sup(ioc); + + bfa_ioc_get_adapter_model(ioc, ad_attr->model); + /* For now, model descr uses same model string */ + bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); + + ad_attr->card_type = ioc_attr->card_type; + ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); + + if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) + ad_attr->prototype = 1; + else + ad_attr->prototype = 0; + + ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); + ad_attr->mac = bfa_nw_ioc_get_mac(ioc); + + ad_attr->pcie_gen = ioc_attr->pcie_gen; + ad_attr->pcie_lanes = ioc_attr->pcie_lanes; + ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; + ad_attr->asic_rev = ioc_attr->asic_rev; + + bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); + + ad_attr->cna_capable = ioc->cna; + ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna; +} + +static enum bfa_ioc_type +bfa_ioc_get_type(struct bfa_ioc *ioc) +{ + if (!ioc->ctdev || ioc->fcmode) + return BFA_IOC_TYPE_FC; + else if (ioc->ioc_mc == BFI_MC_IOCFC) + return BFA_IOC_TYPE_FCoE; + else if (ioc->ioc_mc == BFI_MC_LL) + return BFA_IOC_TYPE_LL; + else { + BUG_ON(!(ioc->ioc_mc == BFI_MC_LL)); + return BFA_IOC_TYPE_LL; + } +} + +static void +bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num) +{ + memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); + memcpy(serial_num, + (void *)ioc->attr->brcd_serialnum, + BFA_ADAPTER_SERIAL_NUM_LEN); +} + +static void +bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver) +{ + memset(fw_ver, 0, BFA_VERSION_LEN); + memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); +} + +static void +bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev) +{ + BUG_ON(!(chip_rev)); + + memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN); + + chip_rev[0] = 'R'; + chip_rev[1] = 'e'; + chip_rev[2] = 'v'; + chip_rev[3] = '-'; + chip_rev[4] = ioc->attr->asic_rev; + chip_rev[5] = '\0'; +} + +static void +bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver) +{ + memset(optrom_ver, 0, BFA_VERSION_LEN); + memcpy(optrom_ver, ioc->attr->optrom_version, + BFA_VERSION_LEN); +} + +static void +bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer) +{ + memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); + memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); +} + +static void +bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model) +{ + struct bfi_ioc_attr *ioc_attr; + + BUG_ON(!(model)); + memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN); + + ioc_attr = ioc->attr; + + /** + * model name + */ + snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", + BFA_MFG_NAME, ioc_attr->card_type); +} + +static enum bfa_ioc_state +bfa_ioc_get_state(struct bfa_ioc *ioc) +{ + enum bfa_iocpf_state iocpf_st; + enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); + + if (ioc_st == BFA_IOC_ENABLING || + ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { + + iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); + + switch (iocpf_st) { + case BFA_IOCPF_SEMWAIT: + ioc_st = BFA_IOC_SEMWAIT; + break; + + case BFA_IOCPF_HWINIT: + ioc_st = BFA_IOC_HWINIT; + break; + + case BFA_IOCPF_FWMISMATCH: + ioc_st = BFA_IOC_FWMISMATCH; + break; + + case BFA_IOCPF_FAIL: + ioc_st = BFA_IOC_FAIL; + break; + + case BFA_IOCPF_INITFAIL: + ioc_st = BFA_IOC_INITFAIL; + break; + + default: + break; + } + } + return ioc_st; +} + +void +bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) +{ + memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr)); + + ioc_attr->state = bfa_ioc_get_state(ioc); + ioc_attr->port_id = ioc->port_id; + + ioc_attr->ioc_type = bfa_ioc_get_type(ioc); + + bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); + + ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; + ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; + bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); +} + +/** + * WWN public + */ +static u64 +bfa_ioc_get_pwwn(struct bfa_ioc *ioc) +{ + return ioc->attr->pwwn; +} + +mac_t +bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) +{ + return ioc->attr->mac; +} + +/** + * Firmware failure detected. Start recovery actions. + */ +static void +bfa_ioc_recover(struct bfa_ioc *ioc) +{ + pr_crit("Heart Beat of IOC has failed\n"); + bfa_ioc_stats(ioc, ioc_hbfails); + bfa_ioc_stats_hb_count(ioc, ioc->hb_count); + bfa_fsm_send_event(ioc, IOC_E_HBFAIL); +} + +static void +bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc) +{ + if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) + return; +} + +/** + * @dg hal_iocpf_pvt BFA IOC PF private functions + * @{ + */ + +static void +bfa_iocpf_enable(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); +} + +static void +bfa_iocpf_disable(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); +} + +static void +bfa_iocpf_fail(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); +} + +static void +bfa_iocpf_initfail(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); +} + +static void +bfa_iocpf_getattrfail(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); +} + +static void +bfa_iocpf_stop(struct bfa_ioc *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); +} + +void +bfa_nw_iocpf_timeout(void *ioc_arg) +{ + struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; + + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); +} + +void +bfa_nw_iocpf_sem_timeout(void *ioc_arg) +{ + struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; + + bfa_ioc_hw_sem_get(ioc); +} diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h new file mode 100644 index 000000000000..bda866ba6e90 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h @@ -0,0 +1,315 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __BFA_IOC_H__ +#define __BFA_IOC_H__ + +#include "bfa_cs.h" +#include "bfi.h" +#include "cna.h" + +#define BFA_IOC_TOV 3000 /* msecs */ +#define BFA_IOC_HWSEM_TOV 500 /* msecs */ +#define BFA_IOC_HB_TOV 500 /* msecs */ +#define BFA_IOC_HWINIT_MAX 5 + +/** + * PCI device information required by IOC + */ +struct bfa_pcidev { + int pci_slot; + u8 pci_func; + u16 device_id; + void __iomem *pci_bar_kva; +}; + +/** + * Structure used to remember the DMA-able memory block's KVA and Physical + * Address + */ +struct bfa_dma { + void *kva; /* ! Kernel virtual address */ + u64 pa; /* ! Physical address */ +}; + +#define BFA_DMA_ALIGN_SZ 256 + +/** + * smem size for Crossbow and Catapult + */ +#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */ +#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */ + +/** + * @brief BFA dma address assignment macro. (big endian format) + */ +#define bfa_dma_be_addr_set(dma_addr, pa) \ + __bfa_dma_be_addr_set(&dma_addr, (u64)pa) +static inline void +__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa) +{ + dma_addr->a32.addr_lo = (u32) htonl(pa); + dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa)); +} + +struct bfa_ioc_regs { + void __iomem *hfn_mbox_cmd; + void __iomem *hfn_mbox; + void __iomem *lpu_mbox_cmd; + void __iomem *lpu_mbox; + void __iomem *pss_ctl_reg; + void __iomem *pss_err_status_reg; + void __iomem *app_pll_fast_ctl_reg; + void __iomem *app_pll_slow_ctl_reg; + void __iomem *ioc_sem_reg; + void __iomem *ioc_usage_sem_reg; + void __iomem *ioc_init_sem_reg; + void __iomem *ioc_usage_reg; + void __iomem *host_page_num_fn; + void __iomem *heartbeat; + void __iomem *ioc_fwstate; + void __iomem *alt_ioc_fwstate; + void __iomem *ll_halt; + void __iomem *alt_ll_halt; + void __iomem *err_set; + void __iomem *ioc_fail_sync; + void __iomem *shirq_isr_next; + void __iomem *shirq_msk_next; + void __iomem *smem_page_start; + u32 smem_pg0; +}; + +/** + * IOC Mailbox structures + */ +typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg); +struct bfa_mbox_cmd { + struct list_head qe; + bfa_mbox_cmd_cbfn_t cbfn; + void *cbarg; + u32 msg[BFI_IOC_MSGSZ]; +}; + +/** + * IOC mailbox module + */ +typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m); +struct bfa_ioc_mbox_mod { + struct list_head cmd_q; /*!< pending mbox queue */ + int nmclass; /*!< number of handlers */ + struct { + bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */ + void *cbarg; + } mbhdlr[BFI_MC_MAX]; +}; + +/** + * IOC callback function interfaces + */ +typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); +typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); +typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); +typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa); +struct bfa_ioc_cbfn { + bfa_ioc_enable_cbfn_t enable_cbfn; + bfa_ioc_disable_cbfn_t disable_cbfn; + bfa_ioc_hbfail_cbfn_t hbfail_cbfn; + bfa_ioc_reset_cbfn_t reset_cbfn; +}; + +/** + * IOC event notification mechanism. + */ +enum bfa_ioc_event { + BFA_IOC_E_ENABLED = 1, + BFA_IOC_E_DISABLED = 2, + BFA_IOC_E_FAILED = 3, +}; + +typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event); + +struct bfa_ioc_notify { + struct list_head qe; + bfa_ioc_notify_cbfn_t cbfn; + void *cbarg; +}; + +/** + * Heartbeat failure notification queue element. + */ +struct bfa_ioc_hbfail_notify { + struct list_head qe; + bfa_ioc_hbfail_cbfn_t cbfn; + void *cbarg; +}; + +/** + * Initialize a heartbeat failure notification structure + */ +#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \ + (__notify)->cbfn = (__cbfn); \ + (__notify)->cbarg = (__cbarg); \ +} while (0) + +struct bfa_iocpf { + bfa_fsm_t fsm; + struct bfa_ioc *ioc; + u32 retry_count; + bool auto_recover; +}; + +struct bfa_ioc { + bfa_fsm_t fsm; + struct bfa *bfa; + struct bfa_pcidev pcidev; + struct timer_list ioc_timer; + struct timer_list iocpf_timer; + struct timer_list sem_timer; + struct timer_list hb_timer; + u32 hb_count; + struct list_head notify_q; + void *dbg_fwsave; + int dbg_fwsave_len; + bool dbg_fwsave_once; + enum bfi_mclass ioc_mc; + struct bfa_ioc_regs ioc_regs; + struct bfa_ioc_drv_stats stats; + bool fcmode; + bool ctdev; + bool cna; + bool pllinit; + bool stats_busy; /*!< outstanding stats */ + u8 port_id; + + struct bfa_dma attr_dma; + struct bfi_ioc_attr *attr; + struct bfa_ioc_cbfn *cbfn; + struct bfa_ioc_mbox_mod mbox_mod; + struct bfa_ioc_hwif *ioc_hwif; + struct bfa_iocpf iocpf; +}; + +struct bfa_ioc_hwif { + enum bfa_status (*ioc_pll_init) (void __iomem *rb, bool fcmode); + bool (*ioc_firmware_lock) (struct bfa_ioc *ioc); + void (*ioc_firmware_unlock) (struct bfa_ioc *ioc); + void (*ioc_reg_init) (struct bfa_ioc *ioc); + void (*ioc_map_port) (struct bfa_ioc *ioc); + void (*ioc_isr_mode_set) (struct bfa_ioc *ioc, + bool msix); + void (*ioc_notify_fail) (struct bfa_ioc *ioc); + void (*ioc_ownership_reset) (struct bfa_ioc *ioc); + bool (*ioc_sync_start) (struct bfa_ioc *ioc); + void (*ioc_sync_join) (struct bfa_ioc *ioc); + void (*ioc_sync_leave) (struct bfa_ioc *ioc); + void (*ioc_sync_ack) (struct bfa_ioc *ioc); + bool (*ioc_sync_complete) (struct bfa_ioc *ioc); +}; + +#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func) +#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id) +#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva) +#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) +#define bfa_ioc_fetch_stats(__ioc, __stats) \ + (((__stats)->drv_stats) = (__ioc)->stats) +#define bfa_ioc_clr_stats(__ioc) \ + memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats)) +#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize) +#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit) +#define bfa_ioc_speed_sup(__ioc) \ + BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop) +#define bfa_ioc_get_nports(__ioc) \ + BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop) + +#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++) +#define bfa_ioc_stats_hb_count(_ioc, _hb_count) \ + ((_ioc)->stats.hb_count = (_hb_count)) +#define BFA_IOC_FWIMG_MINSZ (16 * 1024) +#define BFA_IOC_FWIMG_TYPE(__ioc) \ + (((__ioc)->ctdev) ? \ + (((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) : \ + BFI_IMAGE_CB_FC) +#define BFA_IOC_FW_SMEM_SIZE(__ioc) \ + (((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE) +#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS) +#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) +#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) + +/** + * IOC mailbox interface + */ +void bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd); +void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc); +void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, + bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); + +/** + * IOC interfaces + */ + +#define bfa_ioc_pll_init_asic(__ioc) \ + ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \ + (__ioc)->fcmode)) + +#define bfa_ioc_isr_mode_set(__ioc, __msix) \ + ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix)) +#define bfa_ioc_ownership_reset(__ioc) \ + ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc)) + +void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc); + +void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, + struct bfa_ioc_cbfn *cbfn); +void bfa_nw_ioc_auto_recover(bool auto_recover); +void bfa_nw_ioc_detach(struct bfa_ioc *ioc); +void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, + enum bfi_mclass mc); +u32 bfa_nw_ioc_meminfo(void); +void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa); +void bfa_nw_ioc_enable(struct bfa_ioc *ioc); +void bfa_nw_ioc_disable(struct bfa_ioc *ioc); + +void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc); +bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc); +void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr); +void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, + struct bfa_ioc_notify *notify); +bool bfa_nw_ioc_sem_get(void __iomem *sem_reg); +void bfa_nw_ioc_sem_release(void __iomem *sem_reg); +void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc); +void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, + struct bfi_ioc_image_hdr *fwhdr); +bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, + struct bfi_ioc_image_hdr *fwhdr); +mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc); + +/* + * Timeout APIs + */ +void bfa_nw_ioc_timeout(void *ioc); +void bfa_nw_ioc_hb_check(void *ioc); +void bfa_nw_iocpf_timeout(void *ioc); +void bfa_nw_iocpf_sem_timeout(void *ioc); + +/* + * F/W Image Size & Chunk + */ +u32 *bfa_cb_image_get_chunk(int type, u32 off); +u32 bfa_cb_image_get_size(int type); + +#endif /* __BFA_IOC_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c new file mode 100644 index 000000000000..209f1f320343 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c @@ -0,0 +1,512 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#include "bfa_ioc.h" +#include "cna.h" +#include "bfi.h" +#include "bfi_reg.h" +#include "bfa_defs.h" + +#define bfa_ioc_ct_sync_pos(__ioc) \ + ((u32) (1 << bfa_ioc_pcifn(__ioc))) +#define BFA_IOC_SYNC_REQD_SH 16 +#define bfa_ioc_ct_get_sync_ackd(__val) (__val & 0x0000ffff) +#define bfa_ioc_ct_clear_sync_ackd(__val) (__val & 0xffff0000) +#define bfa_ioc_ct_get_sync_reqd(__val) (__val >> BFA_IOC_SYNC_REQD_SH) +#define bfa_ioc_ct_sync_reqd_pos(__ioc) \ + (bfa_ioc_ct_sync_pos(__ioc) << BFA_IOC_SYNC_REQD_SH) + +/* + * forward declarations + */ +static bool bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc); +static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc); +static void bfa_ioc_ct_reg_init(struct bfa_ioc *ioc); +static void bfa_ioc_ct_map_port(struct bfa_ioc *ioc); +static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix); +static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc); +static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc); +static bool bfa_ioc_ct_sync_start(struct bfa_ioc *ioc); +static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc); +static void bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc); +static void bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc); +static bool bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc); +static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode); + +static struct bfa_ioc_hwif nw_hwif_ct; + +static void +bfa_ioc_set_ctx_hwif(struct bfa_ioc *ioc, struct bfa_ioc_hwif *hwif) +{ + hwif->ioc_firmware_lock = bfa_ioc_ct_firmware_lock; + hwif->ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock; + hwif->ioc_notify_fail = bfa_ioc_ct_notify_fail; + hwif->ioc_ownership_reset = bfa_ioc_ct_ownership_reset; + hwif->ioc_sync_start = bfa_ioc_ct_sync_start; + hwif->ioc_sync_join = bfa_ioc_ct_sync_join; + hwif->ioc_sync_leave = bfa_ioc_ct_sync_leave; + hwif->ioc_sync_ack = bfa_ioc_ct_sync_ack; + hwif->ioc_sync_complete = bfa_ioc_ct_sync_complete; +} + +/** + * Called from bfa_ioc_attach() to map asic specific calls. + */ +void +bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc) +{ + bfa_ioc_set_ctx_hwif(ioc, &nw_hwif_ct); + + nw_hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init; + nw_hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init; + nw_hwif_ct.ioc_map_port = bfa_ioc_ct_map_port; + nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set; + ioc->ioc_hwif = &nw_hwif_ct; +} + +/** + * Return true if firmware of current driver matches the running firmware. + */ +static bool +bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc) +{ + enum bfi_ioc_state ioc_fwstate; + u32 usecnt; + struct bfi_ioc_image_hdr fwhdr; + + /** + * If bios boot (flash based) -- do not increment usage count + */ + if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < + BFA_IOC_FWIMG_MINSZ) + return true; + + bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); + usecnt = readl(ioc->ioc_regs.ioc_usage_reg); + + /** + * If usage count is 0, always return TRUE. + */ + if (usecnt == 0) { + writel(1, ioc->ioc_regs.ioc_usage_reg); + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); + writel(0, ioc->ioc_regs.ioc_fail_sync); + return true; + } + + ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); + + /** + * Use count cannot be non-zero and chip in uninitialized state. + */ + BUG_ON(!(ioc_fwstate != BFI_IOC_UNINIT)); + + /** + * Check if another driver with a different firmware is active + */ + bfa_nw_ioc_fwver_get(ioc, &fwhdr); + if (!bfa_nw_ioc_fwver_cmp(ioc, &fwhdr)) { + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); + return false; + } + + /** + * Same firmware version. Increment the reference count. + */ + usecnt++; + writel(usecnt, ioc->ioc_regs.ioc_usage_reg); + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); + return true; +} + +static void +bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc) +{ + u32 usecnt; + + /** + * If bios boot (flash based) -- do not decrement usage count + */ + if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < + BFA_IOC_FWIMG_MINSZ) + return; + + /** + * decrement usage count + */ + bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); + usecnt = readl(ioc->ioc_regs.ioc_usage_reg); + BUG_ON(!(usecnt > 0)); + + usecnt--; + writel(usecnt, ioc->ioc_regs.ioc_usage_reg); + + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); +} + +/** + * Notify other functions on HB failure. + */ +static void +bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc) +{ + if (ioc->cna) { + writel(__FW_INIT_HALT_P, ioc->ioc_regs.ll_halt); + writel(__FW_INIT_HALT_P, ioc->ioc_regs.alt_ll_halt); + /* Wait for halt to take effect */ + readl(ioc->ioc_regs.ll_halt); + readl(ioc->ioc_regs.alt_ll_halt); + } else { + writel(~0U, ioc->ioc_regs.err_set); + readl(ioc->ioc_regs.err_set); + } +} + +/** + * Host to LPU mailbox message addresses + */ +static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = { + { HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 }, + { HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 }, + { HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2 }, + { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 } +}; + +/** + * Host <-> LPU mailbox command/status registers - port 0 + */ +static struct { u32 hfn, lpu; } ct_p0reg[] = { + { HOSTFN0_LPU0_CMD_STAT, LPU0_HOSTFN0_CMD_STAT }, + { HOSTFN1_LPU0_CMD_STAT, LPU0_HOSTFN1_CMD_STAT }, + { HOSTFN2_LPU0_CMD_STAT, LPU0_HOSTFN2_CMD_STAT }, + { HOSTFN3_LPU0_CMD_STAT, LPU0_HOSTFN3_CMD_STAT } +}; + +/** + * Host <-> LPU mailbox command/status registers - port 1 + */ +static struct { u32 hfn, lpu; } ct_p1reg[] = { + { HOSTFN0_LPU1_CMD_STAT, LPU1_HOSTFN0_CMD_STAT }, + { HOSTFN1_LPU1_CMD_STAT, LPU1_HOSTFN1_CMD_STAT }, + { HOSTFN2_LPU1_CMD_STAT, LPU1_HOSTFN2_CMD_STAT }, + { HOSTFN3_LPU1_CMD_STAT, LPU1_HOSTFN3_CMD_STAT } +}; + +static void +bfa_ioc_ct_reg_init(struct bfa_ioc *ioc) +{ + void __iomem *rb; + int pcifn = bfa_ioc_pcifn(ioc); + + rb = bfa_ioc_bar0(ioc); + + ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox; + ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox; + ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn; + + if (ioc->port_id == 0) { + ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; + ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; + ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; + ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p0reg[pcifn].hfn; + ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p0reg[pcifn].lpu; + ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0; + ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P1; + } else { + ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); + ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); + ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC0_STATE_REG; + ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p1reg[pcifn].hfn; + ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p1reg[pcifn].lpu; + ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1; + ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P0; + } + + /* + * PSS control registers + */ + ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG); + ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG); + ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_LCLK_CTL_REG); + ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_SCLK_CTL_REG); + + /* + * IOC semaphore registers and serialization + */ + ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG); + ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG); + ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG); + ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT); + ioc->ioc_regs.ioc_fail_sync = (rb + BFA_IOC_FAIL_SYNC); + + /** + * sram memory access + */ + ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START); + ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT; + + /* + * err set reg : for notification of hb failure in fcmode + */ + ioc->ioc_regs.err_set = (rb + ERR_SET_REG); +} + +/** + * Initialize IOC to port mapping. + */ + +#define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8) +static void +bfa_ioc_ct_map_port(struct bfa_ioc *ioc) +{ + void __iomem *rb = ioc->pcidev.pci_bar_kva; + u32 r32; + + /** + * For catapult, base port id on personality register and IOC type + */ + r32 = readl(rb + FNC_PERS_REG); + r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)); + ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH; + +} + +/** + * Set interrupt mode for a function: INTX or MSIX + */ +static void +bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix) +{ + void __iomem *rb = ioc->pcidev.pci_bar_kva; + u32 r32, mode; + + r32 = readl(rb + FNC_PERS_REG); + + mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) & + __F0_INTX_STATUS; + + /** + * If already in desired mode, do not change anything + */ + if ((!msix && mode) || (msix && !mode)) + return; + + if (msix) + mode = __F0_INTX_STATUS_MSIX; + else + mode = __F0_INTX_STATUS_INTA; + + r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); + r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); + + writel(r32, rb + FNC_PERS_REG); +} + +/** + * Cleanup hw semaphore and usecnt registers + */ +static void +bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc) +{ + if (ioc->cna) { + bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); + writel(0, ioc->ioc_regs.ioc_usage_reg); + bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); + } + + /* + * Read the hw sem reg to make sure that it is locked + * before we clear it. If it is not locked, writing 1 + * will lock it instead of clearing it. + */ + readl(ioc->ioc_regs.ioc_sem_reg); + bfa_nw_ioc_hw_sem_release(ioc); +} + +/** + * Synchronized IOC failure processing routines + */ +static bool +bfa_ioc_ct_sync_start(struct bfa_ioc *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); + u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32); + + /* + * Driver load time. If the sync required bit for this PCI fn + * is set, it is due to an unclean exit by the driver for this + * PCI fn in the previous incarnation. Whoever comes here first + * should clean it up, no matter which PCI fn. + */ + + if (sync_reqd & bfa_ioc_ct_sync_pos(ioc)) { + writel(0, ioc->ioc_regs.ioc_fail_sync); + writel(1, ioc->ioc_regs.ioc_usage_reg); + writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); + writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate); + return true; + } + + return bfa_ioc_ct_sync_complete(ioc); +} +/** + * Synchronized IOC failure processing routines + */ +static void +bfa_ioc_ct_sync_join(struct bfa_ioc *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); + u32 sync_pos = bfa_ioc_ct_sync_reqd_pos(ioc); + + writel((r32 | sync_pos), ioc->ioc_regs.ioc_fail_sync); +} + +static void +bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); + u32 sync_msk = bfa_ioc_ct_sync_reqd_pos(ioc) | + bfa_ioc_ct_sync_pos(ioc); + + writel((r32 & ~sync_msk), ioc->ioc_regs.ioc_fail_sync); +} + +static void +bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); + + writel((r32 | bfa_ioc_ct_sync_pos(ioc)), ioc->ioc_regs.ioc_fail_sync); +} + +static bool +bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync); + u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32); + u32 sync_ackd = bfa_ioc_ct_get_sync_ackd(r32); + u32 tmp_ackd; + + if (sync_ackd == 0) + return true; + + /** + * The check below is to see whether any other PCI fn + * has reinitialized the ASIC (reset sync_ackd bits) + * and failed again while this IOC was waiting for hw + * semaphore (in bfa_iocpf_sm_semwait()). + */ + tmp_ackd = sync_ackd; + if ((sync_reqd & bfa_ioc_ct_sync_pos(ioc)) && + !(sync_ackd & bfa_ioc_ct_sync_pos(ioc))) + sync_ackd |= bfa_ioc_ct_sync_pos(ioc); + + if (sync_reqd == sync_ackd) { + writel(bfa_ioc_ct_clear_sync_ackd(r32), + ioc->ioc_regs.ioc_fail_sync); + writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); + writel(BFI_IOC_FAIL, ioc->ioc_regs.alt_ioc_fwstate); + return true; + } + + /** + * If another PCI fn reinitialized and failed again while + * this IOC was waiting for hw sem, the sync_ackd bit for + * this IOC need to be set again to allow reinitialization. + */ + if (tmp_ackd != sync_ackd) + writel((r32 | sync_ackd), ioc->ioc_regs.ioc_fail_sync); + + return false; +} + +static enum bfa_status +bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode) +{ + u32 pll_sclk, pll_fclk, r32; + + pll_sclk = __APP_PLL_SCLK_LRESETN | __APP_PLL_SCLK_ENARST | + __APP_PLL_SCLK_RSEL200500 | __APP_PLL_SCLK_P0_1(3U) | + __APP_PLL_SCLK_JITLMT0_1(3U) | + __APP_PLL_SCLK_CNTLMT0_1(1U); + pll_fclk = __APP_PLL_LCLK_LRESETN | __APP_PLL_LCLK_ENARST | + __APP_PLL_LCLK_RSEL200500 | __APP_PLL_LCLK_P0_1(3U) | + __APP_PLL_LCLK_JITLMT0_1(3U) | + __APP_PLL_LCLK_CNTLMT0_1(1U); + + if (fcmode) { + writel(0, (rb + OP_MODE)); + writel(__APP_EMS_CMLCKSEL | + __APP_EMS_REFCKBUFEN2 | + __APP_EMS_CHANNEL_SEL, + (rb + ETH_MAC_SER_REG)); + } else { + writel(__GLOBAL_FCOE_MODE, (rb + OP_MODE)); + writel(__APP_EMS_REFCKBUFEN1, + (rb + ETH_MAC_SER_REG)); + } + writel(BFI_IOC_UNINIT, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_UNINIT, (rb + BFA_IOC1_STATE_REG)); + writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); + writel(pll_sclk | + __APP_PLL_SCLK_LOGIC_SOFT_RESET, + rb + APP_PLL_SCLK_CTL_REG); + writel(pll_fclk | + __APP_PLL_LCLK_LOGIC_SOFT_RESET, + rb + APP_PLL_LCLK_CTL_REG); + writel(pll_sclk | + __APP_PLL_SCLK_LOGIC_SOFT_RESET | __APP_PLL_SCLK_ENABLE, + rb + APP_PLL_SCLK_CTL_REG); + writel(pll_fclk | + __APP_PLL_LCLK_LOGIC_SOFT_RESET | __APP_PLL_LCLK_ENABLE, + rb + APP_PLL_LCLK_CTL_REG); + readl(rb + HOSTFN0_INT_MSK); + udelay(2000); + writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); + writel(pll_sclk | + __APP_PLL_SCLK_ENABLE, + rb + APP_PLL_SCLK_CTL_REG); + writel(pll_fclk | + __APP_PLL_LCLK_ENABLE, + rb + APP_PLL_LCLK_CTL_REG); + + if (!fcmode) { + writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P0)); + writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P1)); + } + r32 = readl((rb + PSS_CTL_REG)); + r32 &= ~__PSS_LMEM_RESET; + writel(r32, (rb + PSS_CTL_REG)); + udelay(1000); + if (!fcmode) { + writel(0, (rb + PMM_1T_RESET_REG_P0)); + writel(0, (rb + PMM_1T_RESET_REG_P1)); + } + + writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG)); + udelay(1000); + r32 = readl((rb + MBIST_STAT_REG)); + writel(0, (rb + MBIST_CTL_REG)); + return BFA_STATUS_OK; +} diff --git a/drivers/net/ethernet/brocade/bna/bfi.h b/drivers/net/ethernet/brocade/bna/bfi.h new file mode 100644 index 000000000000..088211c2724f --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfi.h @@ -0,0 +1,400 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __BFI_H__ +#define __BFI_H__ + +#include "bfa_defs.h" + +#pragma pack(1) + +/** + * BFI FW image type + */ +#define BFI_FLASH_CHUNK_SZ 256 /*!< Flash chunk size */ +#define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32)) +enum { + BFI_IMAGE_CB_FC, + BFI_IMAGE_CT_FC, + BFI_IMAGE_CT_CNA, + BFI_IMAGE_MAX, +}; + +/** + * Msg header common to all msgs + */ +struct bfi_mhdr { + u8 msg_class; /*!< @ref enum bfi_mclass */ + u8 msg_id; /*!< msg opcode with in the class */ + union { + struct { + u8 rsvd; + u8 lpu_id; /*!< msg destination */ + } h2i; + u16 i2htok; /*!< token in msgs to host */ + } mtag; +}; + +#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \ + (_mh).msg_class = (_mc); \ + (_mh).msg_id = (_op); \ + (_mh).mtag.h2i.lpu_id = (_lpuid); \ +} while (0) + +#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \ + (_mh).msg_class = (_mc); \ + (_mh).msg_id = (_op); \ + (_mh).mtag.i2htok = (_i2htok); \ +} while (0) + +/* + * Message opcodes: 0-127 to firmware, 128-255 to host + */ +#define BFI_I2H_OPCODE_BASE 128 +#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE) + +/** + **************************************************************************** + * + * Scatter Gather Element and Page definition + * + **************************************************************************** + */ + +#define BFI_SGE_INLINE 1 +#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1) + +/** + * SG Flags + */ +enum { + BFI_SGE_DATA = 0, /*!< data address, not last */ + BFI_SGE_DATA_CPL = 1, /*!< data addr, last in current page */ + BFI_SGE_DATA_LAST = 3, /*!< data address, last */ + BFI_SGE_LINK = 2, /*!< link address */ + BFI_SGE_PGDLEN = 2, /*!< cumulative data length for page */ +}; + +/** + * DMA addresses + */ +union bfi_addr_u { + struct { + u32 addr_lo; + u32 addr_hi; + } a32; +}; + +/** + * Scatter Gather Element + */ +struct bfi_sge { +#ifdef __BIGENDIAN + u32 flags:2, + rsvd:2, + sg_len:28; +#else + u32 sg_len:28, + rsvd:2, + flags:2; +#endif + union bfi_addr_u sga; +}; + +/** + * Scatter Gather Page + */ +#define BFI_SGPG_DATA_SGES 7 +#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1) +#define BFI_SGPG_RSVD_WD_LEN 8 +struct bfi_sgpg { + struct bfi_sge sges[BFI_SGPG_SGES_MAX]; + u32 rsvd[BFI_SGPG_RSVD_WD_LEN]; +}; + +/* + * Large Message structure - 128 Bytes size Msgs + */ +#define BFI_LMSG_SZ 128 +#define BFI_LMSG_PL_WSZ \ + ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr)) / 4) + +struct bfi_msg { + struct bfi_mhdr mhdr; + u32 pl[BFI_LMSG_PL_WSZ]; +}; + +/** + * Mailbox message structure + */ +#define BFI_MBMSG_SZ 7 +struct bfi_mbmsg { + struct bfi_mhdr mh; + u32 pl[BFI_MBMSG_SZ]; +}; + +/** + * Message Classes + */ +enum bfi_mclass { + BFI_MC_IOC = 1, /*!< IO Controller (IOC) */ + BFI_MC_DIAG = 2, /*!< Diagnostic Msgs */ + BFI_MC_FLASH = 3, /*!< Flash message class */ + BFI_MC_CEE = 4, /*!< CEE */ + BFI_MC_FCPORT = 5, /*!< FC port */ + BFI_MC_IOCFC = 6, /*!< FC - IO Controller (IOC) */ + BFI_MC_LL = 7, /*!< Link Layer */ + BFI_MC_UF = 8, /*!< Unsolicited frame receive */ + BFI_MC_FCXP = 9, /*!< FC Transport */ + BFI_MC_LPS = 10, /*!< lport fc login services */ + BFI_MC_RPORT = 11, /*!< Remote port */ + BFI_MC_ITNIM = 12, /*!< I-T nexus (Initiator mode) */ + BFI_MC_IOIM_READ = 13, /*!< read IO (Initiator mode) */ + BFI_MC_IOIM_WRITE = 14, /*!< write IO (Initiator mode) */ + BFI_MC_IOIM_IO = 15, /*!< IO (Initiator mode) */ + BFI_MC_IOIM = 16, /*!< IO (Initiator mode) */ + BFI_MC_IOIM_IOCOM = 17, /*!< good IO completion */ + BFI_MC_TSKIM = 18, /*!< Initiator Task management */ + BFI_MC_SBOOT = 19, /*!< SAN boot services */ + BFI_MC_IPFC = 20, /*!< IP over FC Msgs */ + BFI_MC_PORT = 21, /*!< Physical port */ + BFI_MC_SFP = 22, /*!< SFP module */ + BFI_MC_MSGQ = 23, /*!< MSGQ */ + BFI_MC_ENET = 24, /*!< ENET commands/responses */ + BFI_MC_MAX = 32 +}; + +#define BFI_IOC_MAX_CQS 4 +#define BFI_IOC_MAX_CQS_ASIC 8 +#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */ + +#define BFI_BOOT_TYPE_OFF 8 +#define BFI_BOOT_LOADER_OFF 12 + +#define BFI_BOOT_TYPE_NORMAL 0 +#define BFI_BOOT_TYPE_FLASH 1 +#define BFI_BOOT_TYPE_MEMTEST 2 + +#define BFI_BOOT_LOADER_OS 0 + +#define BFI_BOOT_MEMTEST_RES_ADDR 0x900 +#define BFI_BOOT_MEMTEST_RES_SIG 0xA0A1A2A3 + +/** + *---------------------------------------------------------------------- + * IOC + *---------------------------------------------------------------------- + */ + +enum bfi_ioc_h2i_msgs { + BFI_IOC_H2I_ENABLE_REQ = 1, + BFI_IOC_H2I_DISABLE_REQ = 2, + BFI_IOC_H2I_GETATTR_REQ = 3, + BFI_IOC_H2I_DBG_SYNC = 4, + BFI_IOC_H2I_DBG_DUMP = 5, +}; + +enum bfi_ioc_i2h_msgs { + BFI_IOC_I2H_ENABLE_REPLY = BFA_I2HM(1), + BFI_IOC_I2H_DISABLE_REPLY = BFA_I2HM(2), + BFI_IOC_I2H_GETATTR_REPLY = BFA_I2HM(3), + BFI_IOC_I2H_READY_EVENT = BFA_I2HM(4), + BFI_IOC_I2H_HBEAT = BFA_I2HM(5), +}; + +/** + * BFI_IOC_H2I_GETATTR_REQ message + */ +struct bfi_ioc_getattr_req { + struct bfi_mhdr mh; + union bfi_addr_u attr_addr; +}; + +struct bfi_ioc_attr { + u64 mfg_pwwn; /*!< Mfg port wwn */ + u64 mfg_nwwn; /*!< Mfg node wwn */ + mac_t mfg_mac; /*!< Mfg mac */ + u16 rsvd_a; + u64 pwwn; + u64 nwwn; + mac_t mac; /*!< PBC or Mfg mac */ + u16 rsvd_b; + mac_t fcoe_mac; + u16 rsvd_c; + char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; + u8 pcie_gen; + u8 pcie_lanes_orig; + u8 pcie_lanes; + u8 rx_bbcredit; /*!< receive buffer credits */ + u32 adapter_prop; /*!< adapter properties */ + u16 maxfrsize; /*!< max receive frame size */ + char asic_rev; + u8 rsvd_d; + char fw_version[BFA_VERSION_LEN]; + char optrom_version[BFA_VERSION_LEN]; + struct bfa_mfg_vpd vpd; + u32 card_type; /*!< card type */ +}; + +/** + * BFI_IOC_I2H_GETATTR_REPLY message + */ +struct bfi_ioc_getattr_reply { + struct bfi_mhdr mh; /*!< Common msg header */ + u8 status; /*!< cfg reply status */ + u8 rsvd[3]; +}; + +/** + * Firmware memory page offsets + */ +#define BFI_IOC_SMEM_PG0_CB (0x40) +#define BFI_IOC_SMEM_PG0_CT (0x180) + +/** + * Firmware statistic offset + */ +#define BFI_IOC_FWSTATS_OFF (0x6B40) +#define BFI_IOC_FWSTATS_SZ (4096) + +/** + * Firmware trace offset + */ +#define BFI_IOC_TRC_OFF (0x4b00) +#define BFI_IOC_TRC_ENTS 256 + +#define BFI_IOC_FW_SIGNATURE (0xbfadbfad) +#define BFI_IOC_MD5SUM_SZ 4 +struct bfi_ioc_image_hdr { + u32 signature; /*!< constant signature */ + u32 rsvd_a; + u32 exec; /*!< exec vector */ + u32 param; /*!< parameters */ + u32 rsvd_b[4]; + u32 md5sum[BFI_IOC_MD5SUM_SZ]; +}; + +enum bfi_fwboot_type { + BFI_FWBOOT_TYPE_NORMAL = 0, + BFI_FWBOOT_TYPE_FLASH = 1, + BFI_FWBOOT_TYPE_MEMTEST = 2, +}; + +/** + * BFI_IOC_I2H_READY_EVENT message + */ +struct bfi_ioc_rdy_event { + struct bfi_mhdr mh; /*!< common msg header */ + u8 init_status; /*!< init event status */ + u8 rsvd[3]; +}; + +struct bfi_ioc_hbeat { + struct bfi_mhdr mh; /*!< common msg header */ + u32 hb_count; /*!< current heart beat count */ +}; + +/** + * IOC hardware/firmware state + */ +enum bfi_ioc_state { + BFI_IOC_UNINIT = 0, /*!< not initialized */ + BFI_IOC_INITING = 1, /*!< h/w is being initialized */ + BFI_IOC_HWINIT = 2, /*!< h/w is initialized */ + BFI_IOC_CFG = 3, /*!< IOC configuration in progress */ + BFI_IOC_OP = 4, /*!< IOC is operational */ + BFI_IOC_DISABLING = 5, /*!< IOC is being disabled */ + BFI_IOC_DISABLED = 6, /*!< IOC is disabled */ + BFI_IOC_CFG_DISABLED = 7, /*!< IOC is being disabled;transient */ + BFI_IOC_FAIL = 8, /*!< IOC heart-beat failure */ + BFI_IOC_MEMTEST = 9, /*!< IOC is doing memtest */ +}; + +#define BFI_IOC_ENDIAN_SIG 0x12345678 + +enum { + BFI_ADAPTER_TYPE_FC = 0x01, /*!< FC adapters */ + BFI_ADAPTER_TYPE_MK = 0x0f0000, /*!< adapter type mask */ + BFI_ADAPTER_TYPE_SH = 16, /*!< adapter type shift */ + BFI_ADAPTER_NPORTS_MK = 0xff00, /*!< number of ports mask */ + BFI_ADAPTER_NPORTS_SH = 8, /*!< number of ports shift */ + BFI_ADAPTER_SPEED_MK = 0xff, /*!< adapter speed mask */ + BFI_ADAPTER_SPEED_SH = 0, /*!< adapter speed shift */ + BFI_ADAPTER_PROTO = 0x100000, /*!< prototype adapaters */ + BFI_ADAPTER_TTV = 0x200000, /*!< TTV debug capable */ + BFI_ADAPTER_UNSUPP = 0x400000, /*!< unknown adapter type */ +}; + +#define BFI_ADAPTER_GETP(__prop, __adap_prop) \ + (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >> \ + BFI_ADAPTER_ ## __prop ## _SH) +#define BFI_ADAPTER_SETP(__prop, __val) \ + ((__val) << BFI_ADAPTER_ ## __prop ## _SH) +#define BFI_ADAPTER_IS_PROTO(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_PROTO) +#define BFI_ADAPTER_IS_TTV(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_TTV) +#define BFI_ADAPTER_IS_UNSUPP(__adap_type) \ + ((__adap_type) & BFI_ADAPTER_UNSUPP) +#define BFI_ADAPTER_IS_SPECIAL(__adap_type) \ + ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \ + BFI_ADAPTER_UNSUPP)) + +/** + * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages + */ +struct bfi_ioc_ctrl_req { + struct bfi_mhdr mh; + u8 ioc_class; + u8 rsvd[3]; + u32 tv_sec; +}; + +/** + * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages + */ +struct bfi_ioc_ctrl_reply { + struct bfi_mhdr mh; /*!< Common msg header */ + u8 status; /*!< enable/disable status */ + u8 rsvd[3]; +}; + +#define BFI_IOC_MSGSZ 8 +/** + * H2I Messages + */ +union bfi_ioc_h2i_msg_u { + struct bfi_mhdr mh; + struct bfi_ioc_ctrl_req enable_req; + struct bfi_ioc_ctrl_req disable_req; + struct bfi_ioc_getattr_req getattr_req; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +/** + * I2H Messages + */ +union bfi_ioc_i2h_msg_u { + struct bfi_mhdr mh; + struct bfi_ioc_rdy_event rdy_event; + u32 mboxmsg[BFI_IOC_MSGSZ]; +}; + +#pragma pack() + +#endif /* __BFI_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfi_cna.h b/drivers/net/ethernet/brocade/bna/bfi_cna.h new file mode 100644 index 000000000000..4eecabea397b --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfi_cna.h @@ -0,0 +1,199 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BFI_CNA_H__ +#define __BFI_CNA_H__ + +#include "bfi.h" +#include "bfa_defs_cna.h" + +#pragma pack(1) + +enum bfi_port_h2i { + BFI_PORT_H2I_ENABLE_REQ = (1), + BFI_PORT_H2I_DISABLE_REQ = (2), + BFI_PORT_H2I_GET_STATS_REQ = (3), + BFI_PORT_H2I_CLEAR_STATS_REQ = (4), +}; + +enum bfi_port_i2h { + BFI_PORT_I2H_ENABLE_RSP = BFA_I2HM(1), + BFI_PORT_I2H_DISABLE_RSP = BFA_I2HM(2), + BFI_PORT_I2H_GET_STATS_RSP = BFA_I2HM(3), + BFI_PORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4), +}; + +/** + * Generic REQ type + */ +struct bfi_port_generic_req { + struct bfi_mhdr mh; /*!< msg header */ + u32 msgtag; /*!< msgtag for reply */ + u32 rsvd; +}; + +/** + * Generic RSP type + */ +struct bfi_port_generic_rsp { + struct bfi_mhdr mh; /*!< common msg header */ + u8 status; /*!< port enable status */ + u8 rsvd[3]; + u32 msgtag; /*!< msgtag for reply */ +}; + +/** + * @todo + * BFI_PORT_H2I_ENABLE_REQ + */ + +/** + * @todo + * BFI_PORT_I2H_ENABLE_RSP + */ + +/** + * BFI_PORT_H2I_DISABLE_REQ + */ + +/** + * BFI_PORT_I2H_DISABLE_RSP + */ + +/** + * BFI_PORT_H2I_GET_STATS_REQ + */ +struct bfi_port_get_stats_req { + struct bfi_mhdr mh; /*!< common msg header */ + union bfi_addr_u dma_addr; +}; + +/** + * BFI_PORT_I2H_GET_STATS_RSP + */ + +/** + * BFI_PORT_H2I_CLEAR_STATS_REQ + */ + +/** + * BFI_PORT_I2H_CLEAR_STATS_RSP + */ + +union bfi_port_h2i_msg_u { + struct bfi_mhdr mh; + struct bfi_port_generic_req enable_req; + struct bfi_port_generic_req disable_req; + struct bfi_port_get_stats_req getstats_req; + struct bfi_port_generic_req clearstats_req; +}; + +union bfi_port_i2h_msg_u { + struct bfi_mhdr mh; + struct bfi_port_generic_rsp enable_rsp; + struct bfi_port_generic_rsp disable_rsp; + struct bfi_port_generic_rsp getstats_rsp; + struct bfi_port_generic_rsp clearstats_rsp; +}; + +/* @brief Mailbox commands from host to (DCBX/LLDP) firmware */ +enum bfi_cee_h2i_msgs { + BFI_CEE_H2I_GET_CFG_REQ = 1, + BFI_CEE_H2I_RESET_STATS = 2, + BFI_CEE_H2I_GET_STATS_REQ = 3, +}; + +/* @brief Mailbox reply and AEN messages from DCBX/LLDP firmware to host */ +enum bfi_cee_i2h_msgs { + BFI_CEE_I2H_GET_CFG_RSP = BFA_I2HM(1), + BFI_CEE_I2H_RESET_STATS_RSP = BFA_I2HM(2), + BFI_CEE_I2H_GET_STATS_RSP = BFA_I2HM(3), +}; + +/* Data structures */ + +/* + * @brief H2I command structure for resetting the stats. + * BFI_CEE_H2I_RESET_STATS + */ +struct bfi_lldp_reset_stats { + struct bfi_mhdr mh; +}; + +/* + * @brief H2I command structure for resetting the stats. + * BFI_CEE_H2I_RESET_STATS + */ +struct bfi_cee_reset_stats { + struct bfi_mhdr mh; +}; + +/* + * @brief get configuration command from host + * BFI_CEE_H2I_GET_CFG_REQ + */ +struct bfi_cee_get_req { + struct bfi_mhdr mh; + union bfi_addr_u dma_addr; +}; + +/* + * @brief reply message from firmware + * BFI_CEE_I2H_GET_CFG_RSP + */ +struct bfi_cee_get_rsp { + struct bfi_mhdr mh; + u8 cmd_status; + u8 rsvd[3]; +}; + +/* + * @brief get configuration command from host + * BFI_CEE_H2I_GET_STATS_REQ + */ +struct bfi_cee_stats_req { + struct bfi_mhdr mh; + union bfi_addr_u dma_addr; +}; + +/* + * @brief reply message from firmware + * BFI_CEE_I2H_GET_STATS_RSP + */ +struct bfi_cee_stats_rsp { + struct bfi_mhdr mh; + u8 cmd_status; + u8 rsvd[3]; +}; + +/* @brief mailbox command structures from host to firmware */ +union bfi_cee_h2i_msg_u { + struct bfi_mhdr mh; + struct bfi_cee_get_req get_req; + struct bfi_cee_stats_req stats_req; +}; + +/* @brief mailbox message structures from firmware to host */ +union bfi_cee_i2h_msg_u { + struct bfi_mhdr mh; + struct bfi_cee_get_rsp get_rsp; + struct bfi_cee_stats_rsp stats_rsp; +}; + +#pragma pack() + +#endif /* __BFI_CNA_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bfi_ll.h b/drivers/net/ethernet/brocade/bna/bfi_ll.h new file mode 100644 index 000000000000..bee4d054066a --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bfi_ll.h @@ -0,0 +1,438 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BFI_LL_H__ +#define __BFI_LL_H__ + +#include "bfi.h" + +#pragma pack(1) + +/** + * @brief + * "enums" for all LL mailbox messages other than IOC + */ +enum { + BFI_LL_H2I_MAC_UCAST_SET_REQ = 1, + BFI_LL_H2I_MAC_UCAST_ADD_REQ = 2, + BFI_LL_H2I_MAC_UCAST_DEL_REQ = 3, + + BFI_LL_H2I_MAC_MCAST_ADD_REQ = 4, + BFI_LL_H2I_MAC_MCAST_DEL_REQ = 5, + BFI_LL_H2I_MAC_MCAST_FILTER_REQ = 6, + BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ = 7, + + BFI_LL_H2I_PORT_ADMIN_REQ = 8, + BFI_LL_H2I_STATS_GET_REQ = 9, + BFI_LL_H2I_STATS_CLEAR_REQ = 10, + + BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ = 11, + BFI_LL_H2I_RXF_DEFAULT_SET_REQ = 12, + + BFI_LL_H2I_TXQ_STOP_REQ = 13, + BFI_LL_H2I_RXQ_STOP_REQ = 14, + + BFI_LL_H2I_DIAG_LOOPBACK_REQ = 15, + + BFI_LL_H2I_SET_PAUSE_REQ = 16, + BFI_LL_H2I_MTU_INFO_REQ = 17, + + BFI_LL_H2I_RX_REQ = 18, +} ; + +enum { + BFI_LL_I2H_MAC_UCAST_SET_RSP = BFA_I2HM(1), + BFI_LL_I2H_MAC_UCAST_ADD_RSP = BFA_I2HM(2), + BFI_LL_I2H_MAC_UCAST_DEL_RSP = BFA_I2HM(3), + + BFI_LL_I2H_MAC_MCAST_ADD_RSP = BFA_I2HM(4), + BFI_LL_I2H_MAC_MCAST_DEL_RSP = BFA_I2HM(5), + BFI_LL_I2H_MAC_MCAST_FILTER_RSP = BFA_I2HM(6), + BFI_LL_I2H_MAC_MCAST_DEL_ALL_RSP = BFA_I2HM(7), + + BFI_LL_I2H_PORT_ADMIN_RSP = BFA_I2HM(8), + BFI_LL_I2H_STATS_GET_RSP = BFA_I2HM(9), + BFI_LL_I2H_STATS_CLEAR_RSP = BFA_I2HM(10), + + BFI_LL_I2H_RXF_PROMISCUOUS_SET_RSP = BFA_I2HM(11), + BFI_LL_I2H_RXF_DEFAULT_SET_RSP = BFA_I2HM(12), + + BFI_LL_I2H_TXQ_STOP_RSP = BFA_I2HM(13), + BFI_LL_I2H_RXQ_STOP_RSP = BFA_I2HM(14), + + BFI_LL_I2H_DIAG_LOOPBACK_RSP = BFA_I2HM(15), + + BFI_LL_I2H_SET_PAUSE_RSP = BFA_I2HM(16), + + BFI_LL_I2H_MTU_INFO_RSP = BFA_I2HM(17), + BFI_LL_I2H_RX_RSP = BFA_I2HM(18), + + BFI_LL_I2H_LINK_DOWN_AEN = BFA_I2HM(19), + BFI_LL_I2H_LINK_UP_AEN = BFA_I2HM(20), + + BFI_LL_I2H_PORT_ENABLE_AEN = BFA_I2HM(21), + BFI_LL_I2H_PORT_DISABLE_AEN = BFA_I2HM(22), +} ; + +/** + * @brief bfi_ll_mac_addr_req is used by: + * BFI_LL_H2I_MAC_UCAST_SET_REQ + * BFI_LL_H2I_MAC_UCAST_ADD_REQ + * BFI_LL_H2I_MAC_UCAST_DEL_REQ + * BFI_LL_H2I_MAC_MCAST_ADD_REQ + * BFI_LL_H2I_MAC_MCAST_DEL_REQ + */ +struct bfi_ll_mac_addr_req { + struct bfi_mhdr mh; /*!< common msg header */ + u8 rxf_id; + u8 rsvd1[3]; + mac_t mac_addr; + u8 rsvd2[2]; +}; + +/** + * @brief bfi_ll_mcast_filter_req is used by: + * BFI_LL_H2I_MAC_MCAST_FILTER_REQ + */ +struct bfi_ll_mcast_filter_req { + struct bfi_mhdr mh; /*!< common msg header */ + u8 rxf_id; + u8 enable; + u8 rsvd[2]; +}; + +/** + * @brief bfi_ll_mcast_del_all is used by: + * BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ + */ +struct bfi_ll_mcast_del_all_req { + struct bfi_mhdr mh; /*!< common msg header */ + u8 rxf_id; + u8 rsvd[3]; +}; + +/** + * @brief bfi_ll_q_stop_req is used by: + * BFI_LL_H2I_TXQ_STOP_REQ + * BFI_LL_H2I_RXQ_STOP_REQ + */ +struct bfi_ll_q_stop_req { + struct bfi_mhdr mh; /*!< common msg header */ + u32 q_id_mask[2]; /* !< bit-mask for queue ids */ +}; + +/** + * @brief bfi_ll_stats_req is used by: + * BFI_LL_I2H_STATS_GET_REQ + * BFI_LL_I2H_STATS_CLEAR_REQ + */ +struct bfi_ll_stats_req { + struct bfi_mhdr mh; /*!< common msg header */ + u16 stats_mask; /* !< bit-mask for non-function statistics */ + u8 rsvd[2]; + u32 rxf_id_mask[2]; /* !< bit-mask for RxF Statistics */ + u32 txf_id_mask[2]; /* !< bit-mask for TxF Statistics */ + union bfi_addr_u host_buffer; /* !< where statistics are returned */ +}; + +/** + * @brief defines for "stats_mask" above. + */ +#define BFI_LL_STATS_MAC (1 << 0) /* !< MAC Statistics */ +#define BFI_LL_STATS_BPC (1 << 1) /* !< Pause Stats from BPC */ +#define BFI_LL_STATS_RAD (1 << 2) /* !< Rx Admission Statistics */ +#define BFI_LL_STATS_RX_FC (1 << 3) /* !< Rx FC Stats from RxA */ +#define BFI_LL_STATS_TX_FC (1 << 4) /* !< Tx FC Stats from TxA */ + +#define BFI_LL_STATS_ALL 0x1f + +/** + * @brief bfi_ll_port_admin_req + */ +struct bfi_ll_port_admin_req { + struct bfi_mhdr mh; /*!< common msg header */ + u8 up; + u8 rsvd[3]; +}; + +/** + * @brief bfi_ll_rxf_req is used by: + * BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ + * BFI_LL_H2I_RXF_DEFAULT_SET_REQ + */ +struct bfi_ll_rxf_req { + struct bfi_mhdr mh; /*!< common msg header */ + u8 rxf_id; + u8 enable; + u8 rsvd[2]; +}; + +/** + * @brief bfi_ll_rxf_multi_req is used by: + * BFI_LL_H2I_RX_REQ + */ +struct bfi_ll_rxf_multi_req { + struct bfi_mhdr mh; /*!< common msg header */ + u32 rxf_id_mask[2]; + u8 enable; + u8 rsvd[3]; +}; + +/** + * @brief enum for Loopback opmodes + */ +enum { + BFI_LL_DIAG_LB_OPMODE_EXT = 0, + BFI_LL_DIAG_LB_OPMODE_CBL = 1, +}; + +/** + * @brief bfi_ll_set_pause_req is used by: + * BFI_LL_H2I_SET_PAUSE_REQ + */ +struct bfi_ll_set_pause_req { + struct bfi_mhdr mh; + u8 tx_pause; /* 1 = enable, 0 = disable */ + u8 rx_pause; /* 1 = enable, 0 = disable */ + u8 rsvd[2]; +}; + +/** + * @brief bfi_ll_mtu_info_req is used by: + * BFI_LL_H2I_MTU_INFO_REQ + */ +struct bfi_ll_mtu_info_req { + struct bfi_mhdr mh; + u16 mtu; + u8 rsvd[2]; +}; + +/** + * @brief + * Response header format used by all responses + * For both responses and asynchronous notifications + */ +struct bfi_ll_rsp { + struct bfi_mhdr mh; /*!< common msg header */ + u8 error; + u8 rsvd[3]; +}; + +/** + * @brief bfi_ll_cee_aen is used by: + * BFI_LL_I2H_LINK_DOWN_AEN + * BFI_LL_I2H_LINK_UP_AEN + */ +struct bfi_ll_aen { + struct bfi_mhdr mh; /*!< common msg header */ + u32 reason; + u8 cee_linkup; + u8 prio_map; /*!< LL priority bit-map */ + u8 rsvd[2]; +}; + +/** + * @brief + * The following error codes can be returned + * by the mbox commands + */ +enum { + BFI_LL_CMD_OK = 0, + BFI_LL_CMD_FAIL = 1, + BFI_LL_CMD_DUP_ENTRY = 2, /* !< Duplicate entry in CAM */ + BFI_LL_CMD_CAM_FULL = 3, /* !< CAM is full */ + BFI_LL_CMD_NOT_OWNER = 4, /* !< Not permitted, b'cos not owner */ + BFI_LL_CMD_NOT_EXEC = 5, /* !< Was not sent to f/w at all */ + BFI_LL_CMD_WAITING = 6, /* !< Waiting for completion (VMware) */ + BFI_LL_CMD_PORT_DISABLED = 7, /* !< port in disabled state */ +} ; + +/* Statistics */ +#define BFI_LL_TXF_ID_MAX 64 +#define BFI_LL_RXF_ID_MAX 64 + +/* TxF Frame Statistics */ +struct bfi_ll_stats_txf { + u64 ucast_octets; + u64 ucast; + u64 ucast_vlan; + + u64 mcast_octets; + u64 mcast; + u64 mcast_vlan; + + u64 bcast_octets; + u64 bcast; + u64 bcast_vlan; + + u64 errors; + u64 filter_vlan; /* frames filtered due to VLAN */ + u64 filter_mac_sa; /* frames filtered due to SA check */ +}; + +/* RxF Frame Statistics */ +struct bfi_ll_stats_rxf { + u64 ucast_octets; + u64 ucast; + u64 ucast_vlan; + + u64 mcast_octets; + u64 mcast; + u64 mcast_vlan; + + u64 bcast_octets; + u64 bcast; + u64 bcast_vlan; + u64 frame_drops; +}; + +/* FC Tx Frame Statistics */ +struct bfi_ll_stats_fc_tx { + u64 txf_ucast_octets; + u64 txf_ucast; + u64 txf_ucast_vlan; + + u64 txf_mcast_octets; + u64 txf_mcast; + u64 txf_mcast_vlan; + + u64 txf_bcast_octets; + u64 txf_bcast; + u64 txf_bcast_vlan; + + u64 txf_parity_errors; + u64 txf_timeout; + u64 txf_fid_parity_errors; +}; + +/* FC Rx Frame Statistics */ +struct bfi_ll_stats_fc_rx { + u64 rxf_ucast_octets; + u64 rxf_ucast; + u64 rxf_ucast_vlan; + + u64 rxf_mcast_octets; + u64 rxf_mcast; + u64 rxf_mcast_vlan; + + u64 rxf_bcast_octets; + u64 rxf_bcast; + u64 rxf_bcast_vlan; +}; + +/* RAD Frame Statistics */ +struct bfi_ll_stats_rad { + u64 rx_frames; + u64 rx_octets; + u64 rx_vlan_frames; + + u64 rx_ucast; + u64 rx_ucast_octets; + u64 rx_ucast_vlan; + + u64 rx_mcast; + u64 rx_mcast_octets; + u64 rx_mcast_vlan; + + u64 rx_bcast; + u64 rx_bcast_octets; + u64 rx_bcast_vlan; + + u64 rx_drops; +}; + +/* BPC Tx Registers */ +struct bfi_ll_stats_bpc { + /* transmit stats */ + u64 tx_pause[8]; + u64 tx_zero_pause[8]; /*!< Pause cancellation */ + /*!> 15)) +#define PSS_SMEM_PGOFF(_ma) ((_ma) & 0x7fff) + +#endif /* __BFI_REG_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bna.h b/drivers/net/ethernet/brocade/bna/bna.h new file mode 100644 index 000000000000..21e9155d6e56 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bna.h @@ -0,0 +1,548 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BNA_H__ +#define __BNA_H__ + +#include "bfa_cs.h" +#include "bfa_ioc.h" +#include "cna.h" +#include "bfi_ll.h" +#include "bna_types.h" + +extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX]; + +/** + * + * Macros and constants + * + */ + +#define BNA_IOC_TIMER_FREQ 200 + +/* Log string size */ +#define BNA_MESSAGE_SIZE 256 + +/* MBOX API for PORT, TX, RX */ +#define bna_mbox_qe_fill(_qe, _cmd, _cmd_len, _cbfn, _cbarg) \ +do { \ + memcpy(&((_qe)->cmd.msg[0]), (_cmd), (_cmd_len)); \ + (_qe)->cbfn = (_cbfn); \ + (_qe)->cbarg = (_cbarg); \ +} while (0) + +#define bna_is_small_rxq(rcb) ((rcb)->id == 1) + +#define BNA_MAC_IS_EQUAL(_mac1, _mac2) \ + (!memcmp((_mac1), (_mac2), sizeof(mac_t))) + +#define BNA_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) + +#define BNA_TO_POWER_OF_2(x) \ +do { \ + int _shift = 0; \ + while ((x) && (x) != 1) { \ + (x) >>= 1; \ + _shift++; \ + } \ + (x) <<= _shift; \ +} while (0) + +#define BNA_TO_POWER_OF_2_HIGH(x) \ +do { \ + int n = 1; \ + while (n < (x)) \ + n <<= 1; \ + (x) = n; \ +} while (0) + +/* + * input : _addr-> os dma addr in host endian format, + * output : _bna_dma_addr-> pointer to hw dma addr + */ +#define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr) \ +do { \ + u64 tmp_addr = \ + cpu_to_be64((u64)(_addr)); \ + (_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \ + (_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \ +} while (0) + +/* + * input : _bna_dma_addr-> pointer to hw dma addr + * output : _addr-> os dma addr in host endian format + */ +#define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr) \ +do { \ + (_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32) \ + | ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff)); \ +} while (0) + +#define containing_rec(addr, type, field) \ + ((type *)((unsigned char *)(addr) - \ + (unsigned char *)(&((type *)0)->field))) + +#define BNA_TXQ_WI_NEEDED(_vectors) (((_vectors) + 3) >> 2) + +/* TxQ element is 64 bytes */ +#define BNA_TXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 6) +#define BNA_TXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 6) + +#define BNA_TXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ +{ \ + unsigned int page_index; /* index within a page */ \ + void *page_addr; \ + page_index = (_qe_idx) & (BNA_TXQ_PAGE_INDEX_MAX - 1); \ + (_qe_ptr_range) = (BNA_TXQ_PAGE_INDEX_MAX - page_index); \ + page_addr = (_qpt_ptr)[((_qe_idx) >> BNA_TXQ_PAGE_INDEX_MAX_SHIFT)];\ + (_qe_ptr) = &((struct bna_txq_entry *)(page_addr))[page_index]; \ +} + +/* RxQ element is 8 bytes */ +#define BNA_RXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 3) +#define BNA_RXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 3) + +#define BNA_RXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ +{ \ + unsigned int page_index; /* index within a page */ \ + void *page_addr; \ + page_index = (_qe_idx) & (BNA_RXQ_PAGE_INDEX_MAX - 1); \ + (_qe_ptr_range) = (BNA_RXQ_PAGE_INDEX_MAX - page_index); \ + page_addr = (_qpt_ptr)[((_qe_idx) >> \ + BNA_RXQ_PAGE_INDEX_MAX_SHIFT)]; \ + (_qe_ptr) = &((struct bna_rxq_entry *)(page_addr))[page_index]; \ +} + +/* CQ element is 16 bytes */ +#define BNA_CQ_PAGE_INDEX_MAX (PAGE_SIZE >> 4) +#define BNA_CQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 4) + +#define BNA_CQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \ +{ \ + unsigned int page_index; /* index within a page */ \ + void *page_addr; \ + \ + page_index = (_qe_idx) & (BNA_CQ_PAGE_INDEX_MAX - 1); \ + (_qe_ptr_range) = (BNA_CQ_PAGE_INDEX_MAX - page_index); \ + page_addr = (_qpt_ptr)[((_qe_idx) >> \ + BNA_CQ_PAGE_INDEX_MAX_SHIFT)]; \ + (_qe_ptr) = &((struct bna_cq_entry *)(page_addr))[page_index];\ +} + +#define BNA_QE_INDX_2_PTR(_cast, _qe_idx, _q_base) \ + (&((_cast *)(_q_base))[(_qe_idx)]) + +#define BNA_QE_INDX_RANGE(_qe_idx, _q_depth) ((_q_depth) - (_qe_idx)) + +#define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth) \ + ((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1)) + +#define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth) \ + (((_updated_idx) - (_old_idx)) & ((_q_depth) - 1)) + +#define BNA_QE_FREE_CNT(_q_ptr, _q_depth) \ + (((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) & \ + ((_q_depth) - 1)) + +#define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth) \ + ((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) & \ + (_q_depth - 1)) + +#define BNA_Q_GET_CI(_q_ptr) ((_q_ptr)->q.consumer_index) + +#define BNA_Q_GET_PI(_q_ptr) ((_q_ptr)->q.producer_index) + +#define BNA_Q_PI_ADD(_q_ptr, _num) \ + (_q_ptr)->q.producer_index = \ + (((_q_ptr)->q.producer_index + (_num)) & \ + ((_q_ptr)->q.q_depth - 1)) + +#define BNA_Q_CI_ADD(_q_ptr, _num) \ + (_q_ptr)->q.consumer_index = \ + (((_q_ptr)->q.consumer_index + (_num)) \ + & ((_q_ptr)->q.q_depth - 1)) + +#define BNA_Q_FREE_COUNT(_q_ptr) \ + (BNA_QE_FREE_CNT(&((_q_ptr)->q), (_q_ptr)->q.q_depth)) + +#define BNA_Q_IN_USE_COUNT(_q_ptr) \ + (BNA_QE_IN_USE_CNT(&(_q_ptr)->q, (_q_ptr)->q.q_depth)) + +/* These macros build the data portion of the TxQ/RxQ doorbell */ +#define BNA_DOORBELL_Q_PRD_IDX(_pi) (0x80000000 | (_pi)) +#define BNA_DOORBELL_Q_STOP (0x40000000) + +/* These macros build the data portion of the IB doorbell */ +#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \ + (0x80000000 | ((_timeout) << 16) | (_events)) +#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000) + +/* Set the coalescing timer for the given ib */ +#define bna_ib_coalescing_timer_set(_i_dbell, _cls_timer) \ + ((_i_dbell)->doorbell_ack = BNA_DOORBELL_IB_INT_ACK((_cls_timer), 0)); + +/* Acks 'events' # of events for a given ib */ +#define bna_ib_ack(_i_dbell, _events) \ + (writel(((_i_dbell)->doorbell_ack | (_events)), \ + (_i_dbell)->doorbell_addr)); + +#define bna_txq_prod_indx_doorbell(_tcb) \ + (writel(BNA_DOORBELL_Q_PRD_IDX((_tcb)->producer_index), \ + (_tcb)->q_dbell)); + +#define bna_rxq_prod_indx_doorbell(_rcb) \ + (writel(BNA_DOORBELL_Q_PRD_IDX((_rcb)->producer_index), \ + (_rcb)->q_dbell)); + +#define BNA_LARGE_PKT_SIZE 1000 + +#define BNA_UPDATE_PKT_CNT(_pkt, _len) \ +do { \ + if ((_len) > BNA_LARGE_PKT_SIZE) { \ + (_pkt)->large_pkt_cnt++; \ + } else { \ + (_pkt)->small_pkt_cnt++; \ + } \ +} while (0) + +#define call_rxf_stop_cbfn(rxf, status) \ + if ((rxf)->stop_cbfn) { \ + (*(rxf)->stop_cbfn)((rxf)->stop_cbarg, (status)); \ + (rxf)->stop_cbfn = NULL; \ + (rxf)->stop_cbarg = NULL; \ + } + +#define call_rxf_start_cbfn(rxf, status) \ + if ((rxf)->start_cbfn) { \ + (*(rxf)->start_cbfn)((rxf)->start_cbarg, (status)); \ + (rxf)->start_cbfn = NULL; \ + (rxf)->start_cbarg = NULL; \ + } + +#define call_rxf_cam_fltr_cbfn(rxf, status) \ + if ((rxf)->cam_fltr_cbfn) { \ + (*(rxf)->cam_fltr_cbfn)((rxf)->cam_fltr_cbarg, rxf->rx, \ + (status)); \ + (rxf)->cam_fltr_cbfn = NULL; \ + (rxf)->cam_fltr_cbarg = NULL; \ + } + +#define call_rxf_pause_cbfn(rxf, status) \ + if ((rxf)->oper_state_cbfn) { \ + (*(rxf)->oper_state_cbfn)((rxf)->oper_state_cbarg, rxf->rx,\ + (status)); \ + (rxf)->rxf_flags &= ~BNA_RXF_FL_OPERSTATE_CHANGED; \ + (rxf)->oper_state_cbfn = NULL; \ + (rxf)->oper_state_cbarg = NULL; \ + } + +#define call_rxf_resume_cbfn(rxf, status) call_rxf_pause_cbfn(rxf, status) + +#define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx)) + +#define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx)) + +#define xxx_enable(mode, bitmask, xxx) \ +do { \ + bitmask |= xxx; \ + mode |= xxx; \ +} while (0) + +#define xxx_disable(mode, bitmask, xxx) \ +do { \ + bitmask |= xxx; \ + mode &= ~xxx; \ +} while (0) + +#define xxx_inactive(mode, bitmask, xxx) \ +do { \ + bitmask &= ~xxx; \ + mode &= ~xxx; \ +} while (0) + +#define is_promisc_enable(mode, bitmask) \ + is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC) + +#define is_promisc_disable(mode, bitmask) \ + is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC) + +#define promisc_enable(mode, bitmask) \ + xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC) + +#define promisc_disable(mode, bitmask) \ + xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC) + +#define promisc_inactive(mode, bitmask) \ + xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC) + +#define is_default_enable(mode, bitmask) \ + is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT) + +#define is_default_disable(mode, bitmask) \ + is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT) + +#define default_enable(mode, bitmask) \ + xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT) + +#define default_disable(mode, bitmask) \ + xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT) + +#define default_inactive(mode, bitmask) \ + xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT) + +#define is_allmulti_enable(mode, bitmask) \ + is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI) + +#define is_allmulti_disable(mode, bitmask) \ + is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI) + +#define allmulti_enable(mode, bitmask) \ + xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI) + +#define allmulti_disable(mode, bitmask) \ + xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI) + +#define allmulti_inactive(mode, bitmask) \ + xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI) + +#define GET_RXQS(rxp, q0, q1) do { \ + switch ((rxp)->type) { \ + case BNA_RXP_SINGLE: \ + (q0) = rxp->rxq.single.only; \ + (q1) = NULL; \ + break; \ + case BNA_RXP_SLR: \ + (q0) = rxp->rxq.slr.large; \ + (q1) = rxp->rxq.slr.small; \ + break; \ + case BNA_RXP_HDS: \ + (q0) = rxp->rxq.hds.data; \ + (q1) = rxp->rxq.hds.hdr; \ + break; \ + } \ +} while (0) + +/** + * + * Function prototypes + * + */ + +/** + * BNA + */ + +/* APIs for BNAD */ +void bna_res_req(struct bna_res_info *res_info); +void bna_init(struct bna *bna, struct bnad *bnad, + struct bfa_pcidev *pcidev, + struct bna_res_info *res_info); +void bna_uninit(struct bna *bna); +void bna_stats_get(struct bna *bna); +void bna_get_perm_mac(struct bna *bna, u8 *mac); + +/* APIs for Rx */ +int bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size); + +/* APIs for RxF */ +struct bna_mac *bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod); +void bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, + struct bna_mac *mac); +struct bna_mac *bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod); +void bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, + struct bna_mac *mac); +struct bna_rit_segment * +bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size); +void bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod, + struct bna_rit_segment *seg); + +/** + * DEVICE + */ + +/* APIs for BNAD */ +void bna_device_enable(struct bna_device *device); +void bna_device_disable(struct bna_device *device, + enum bna_cleanup_type type); + +/** + * MBOX + */ + +/* APIs for PORT, TX, RX */ +void bna_mbox_handler(struct bna *bna, u32 intr_status); +void bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe); + +/** + * PORT + */ + +/* API for RX */ +int bna_port_mtu_get(struct bna_port *port); +void bna_llport_rx_started(struct bna_llport *llport); +void bna_llport_rx_stopped(struct bna_llport *llport); + +/* API for BNAD */ +void bna_port_enable(struct bna_port *port); +void bna_port_disable(struct bna_port *port, enum bna_cleanup_type type, + void (*cbfn)(void *, enum bna_cb_status)); +void bna_port_pause_config(struct bna_port *port, + struct bna_pause_config *pause_config, + void (*cbfn)(struct bnad *, enum bna_cb_status)); +void bna_port_mtu_set(struct bna_port *port, int mtu, + void (*cbfn)(struct bnad *, enum bna_cb_status)); +void bna_port_mac_get(struct bna_port *port, mac_t *mac); + +/* Callbacks for TX, RX */ +void bna_port_cb_tx_stopped(struct bna_port *port, + enum bna_cb_status status); +void bna_port_cb_rx_stopped(struct bna_port *port, + enum bna_cb_status status); + +/** + * IB + */ + +/* APIs for BNA */ +void bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna, + struct bna_res_info *res_info); +void bna_ib_mod_uninit(struct bna_ib_mod *ib_mod); + +/** + * TX MODULE AND TX + */ + +/* APIs for BNA */ +void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna, + struct bna_res_info *res_info); +void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod); +int bna_tx_state_get(struct bna_tx *tx); + +/* APIs for PORT */ +void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type); +void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type); +void bna_tx_mod_fail(struct bna_tx_mod *tx_mod); +void bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio); +void bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link); + +/* APIs for BNAD */ +void bna_tx_res_req(int num_txq, int txq_depth, + struct bna_res_info *res_info); +struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad, + struct bna_tx_config *tx_cfg, + struct bna_tx_event_cbfn *tx_cbfn, + struct bna_res_info *res_info, void *priv); +void bna_tx_destroy(struct bna_tx *tx); +void bna_tx_enable(struct bna_tx *tx); +void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, + void (*cbfn)(void *, struct bna_tx *, + enum bna_cb_status)); +void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo); + +/** + * RX MODULE, RX, RXF + */ + +/* Internal APIs */ +void rxf_cb_cam_fltr_mbox_cmd(void *arg, int status); +void rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd, + const struct bna_mac *mac_addr); +void __rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status); +void bna_rxf_adv_init(struct bna_rxf *rxf, + struct bna_rx *rx, + struct bna_rx_config *q_config); +int rxf_process_packet_filter_ucast(struct bna_rxf *rxf); +int rxf_process_packet_filter_promisc(struct bna_rxf *rxf); +int rxf_process_packet_filter_default(struct bna_rxf *rxf); +int rxf_process_packet_filter_allmulti(struct bna_rxf *rxf); +int rxf_clear_packet_filter_ucast(struct bna_rxf *rxf); +int rxf_clear_packet_filter_promisc(struct bna_rxf *rxf); +int rxf_clear_packet_filter_default(struct bna_rxf *rxf); +int rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf); +void rxf_reset_packet_filter_ucast(struct bna_rxf *rxf); +void rxf_reset_packet_filter_promisc(struct bna_rxf *rxf); +void rxf_reset_packet_filter_default(struct bna_rxf *rxf); +void rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf); + +/* APIs for BNA */ +void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna, + struct bna_res_info *res_info); +void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod); +int bna_rx_state_get(struct bna_rx *rx); +int bna_rxf_state_get(struct bna_rxf *rxf); + +/* APIs for PORT */ +void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type); +void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type); +void bna_rx_mod_fail(struct bna_rx_mod *rx_mod); + +/* APIs for BNAD */ +void bna_rx_res_req(struct bna_rx_config *rx_config, + struct bna_res_info *res_info); +struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad, + struct bna_rx_config *rx_cfg, + struct bna_rx_event_cbfn *rx_cbfn, + struct bna_res_info *res_info, void *priv); +void bna_rx_destroy(struct bna_rx *rx); +void bna_rx_enable(struct bna_rx *rx); +void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type, + void (*cbfn)(void *, struct bna_rx *, + enum bna_cb_status)); +void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo); +void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]); +void bna_rx_dim_update(struct bna_ccb *ccb); +enum bna_cb_status +bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); +enum bna_cb_status +bna_rx_mcast_add(struct bna_rx *rx, u8 *mcmac, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); +enum bna_cb_status +bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mcmac, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); +enum bna_cb_status +bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode, + enum bna_rxmode bitmask, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); +void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id); +void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id); +void bna_rx_vlanfilter_enable(struct bna_rx *rx); +void bna_rx_hds_enable(struct bna_rx *rx, struct bna_rxf_hds *hds_config, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); +void bna_rx_hds_disable(struct bna_rx *rx, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)); + +/** + * BNAD + */ + +/* Callbacks for BNA */ +void bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status, + struct bna_stats *stats); + +/* Callbacks for DEVICE */ +void bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status); +void bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status); +void bnad_cb_device_enable_mbox_intr(struct bnad *bnad); +void bnad_cb_device_disable_mbox_intr(struct bnad *bnad); + +/* Callbacks for port */ +void bnad_cb_port_link_status(struct bnad *bnad, + enum bna_link_status status); + +#endif /* __BNA_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bna_ctrl.c b/drivers/net/ethernet/brocade/bna/bna_ctrl.c new file mode 100644 index 000000000000..cb2594c564dc --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bna_ctrl.c @@ -0,0 +1,3076 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#include "bna.h" +#include "bfa_cs.h" + +static void bna_device_cb_port_stopped(void *arg, enum bna_cb_status status); + +static void +bna_port_cb_link_up(struct bna_port *port, struct bfi_ll_aen *aen, + int status) +{ + int i; + u8 prio_map; + + port->llport.link_status = BNA_LINK_UP; + if (aen->cee_linkup) + port->llport.link_status = BNA_CEE_UP; + + /* Compute the priority */ + prio_map = aen->prio_map; + if (prio_map) { + for (i = 0; i < 8; i++) { + if ((prio_map >> i) & 0x1) + break; + } + port->priority = i; + } else + port->priority = 0; + + /* Dispatch events */ + bna_tx_mod_cee_link_status(&port->bna->tx_mod, aen->cee_linkup); + bna_tx_mod_prio_changed(&port->bna->tx_mod, port->priority); + port->link_cbfn(port->bna->bnad, port->llport.link_status); +} + +static void +bna_port_cb_link_down(struct bna_port *port, int status) +{ + port->llport.link_status = BNA_LINK_DOWN; + + /* Dispatch events */ + bna_tx_mod_cee_link_status(&port->bna->tx_mod, BNA_LINK_DOWN); + port->link_cbfn(port->bna->bnad, BNA_LINK_DOWN); +} + +static inline int +llport_can_be_up(struct bna_llport *llport) +{ + int ready = 0; + if (llport->type == BNA_PORT_T_REGULAR) + ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) && + (llport->flags & BNA_LLPORT_F_RX_STARTED) && + (llport->flags & BNA_LLPORT_F_PORT_ENABLED)); + else + ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) && + (llport->flags & BNA_LLPORT_F_RX_STARTED) && + !(llport->flags & BNA_LLPORT_F_PORT_ENABLED)); + return ready; +} + +#define llport_is_up llport_can_be_up + +enum bna_llport_event { + LLPORT_E_START = 1, + LLPORT_E_STOP = 2, + LLPORT_E_FAIL = 3, + LLPORT_E_UP = 4, + LLPORT_E_DOWN = 5, + LLPORT_E_FWRESP_UP_OK = 6, + LLPORT_E_FWRESP_UP_FAIL = 7, + LLPORT_E_FWRESP_DOWN = 8 +}; + +static void +bna_llport_cb_port_enabled(struct bna_llport *llport) +{ + llport->flags |= BNA_LLPORT_F_PORT_ENABLED; + + if (llport_can_be_up(llport)) + bfa_fsm_send_event(llport, LLPORT_E_UP); +} + +static void +bna_llport_cb_port_disabled(struct bna_llport *llport) +{ + int llport_up = llport_is_up(llport); + + llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; + + if (llport_up) + bfa_fsm_send_event(llport, LLPORT_E_DOWN); +} + +/** + * MBOX + */ +static int +bna_is_aen(u8 msg_id) +{ + switch (msg_id) { + case BFI_LL_I2H_LINK_DOWN_AEN: + case BFI_LL_I2H_LINK_UP_AEN: + case BFI_LL_I2H_PORT_ENABLE_AEN: + case BFI_LL_I2H_PORT_DISABLE_AEN: + return 1; + + default: + return 0; + } +} + +static void +bna_mbox_aen_callback(struct bna *bna, struct bfi_mbmsg *msg) +{ + struct bfi_ll_aen *aen = (struct bfi_ll_aen *)(msg); + + switch (aen->mh.msg_id) { + case BFI_LL_I2H_LINK_UP_AEN: + bna_port_cb_link_up(&bna->port, aen, aen->reason); + break; + case BFI_LL_I2H_LINK_DOWN_AEN: + bna_port_cb_link_down(&bna->port, aen->reason); + break; + case BFI_LL_I2H_PORT_ENABLE_AEN: + bna_llport_cb_port_enabled(&bna->port.llport); + break; + case BFI_LL_I2H_PORT_DISABLE_AEN: + bna_llport_cb_port_disabled(&bna->port.llport); + break; + default: + break; + } +} + +static void +bna_ll_isr(void *llarg, struct bfi_mbmsg *msg) +{ + struct bna *bna = (struct bna *)(llarg); + struct bfi_ll_rsp *mb_rsp = (struct bfi_ll_rsp *)(msg); + struct bfi_mhdr *cmd_h, *rsp_h; + struct bna_mbox_qe *mb_qe = NULL; + int to_post = 0; + u8 aen = 0; + char message[BNA_MESSAGE_SIZE]; + + aen = bna_is_aen(mb_rsp->mh.msg_id); + + if (!aen) { + mb_qe = bfa_q_first(&bna->mbox_mod.posted_q); + cmd_h = (struct bfi_mhdr *)(&mb_qe->cmd.msg[0]); + rsp_h = (struct bfi_mhdr *)(&mb_rsp->mh); + + if ((BFA_I2HM(cmd_h->msg_id) == rsp_h->msg_id) && + (cmd_h->mtag.i2htok == rsp_h->mtag.i2htok)) { + /* Remove the request from posted_q, update state */ + list_del(&mb_qe->qe); + bna->mbox_mod.msg_pending--; + if (list_empty(&bna->mbox_mod.posted_q)) + bna->mbox_mod.state = BNA_MBOX_FREE; + else + to_post = 1; + + /* Dispatch the cbfn */ + if (mb_qe->cbfn) + mb_qe->cbfn(mb_qe->cbarg, mb_rsp->error); + + /* Post the next entry, if needed */ + if (to_post) { + mb_qe = bfa_q_first(&bna->mbox_mod.posted_q); + bfa_nw_ioc_mbox_queue(&bna->device.ioc, + &mb_qe->cmd); + } + } else { + snprintf(message, BNA_MESSAGE_SIZE, + "No matching rsp for [%d:%d:%d]\n", + mb_rsp->mh.msg_class, mb_rsp->mh.msg_id, + mb_rsp->mh.mtag.i2htok); + pr_info("%s", message); + } + + } else + bna_mbox_aen_callback(bna, msg); +} + +static void +bna_err_handler(struct bna *bna, u32 intr_status) +{ + u32 init_halt; + + if (intr_status & __HALT_STATUS_BITS) { + init_halt = readl(bna->device.ioc.ioc_regs.ll_halt); + init_halt &= ~__FW_INIT_HALT_P; + writel(init_halt, bna->device.ioc.ioc_regs.ll_halt); + } + + bfa_nw_ioc_error_isr(&bna->device.ioc); +} + +void +bna_mbox_handler(struct bna *bna, u32 intr_status) +{ + if (BNA_IS_ERR_INTR(intr_status)) { + bna_err_handler(bna, intr_status); + return; + } + if (BNA_IS_MBOX_INTR(intr_status)) + bfa_nw_ioc_mbox_isr(&bna->device.ioc); +} + +void +bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe) +{ + struct bfi_mhdr *mh; + + mh = (struct bfi_mhdr *)(&mbox_qe->cmd.msg[0]); + + mh->mtag.i2htok = htons(bna->mbox_mod.msg_ctr); + bna->mbox_mod.msg_ctr++; + bna->mbox_mod.msg_pending++; + if (bna->mbox_mod.state == BNA_MBOX_FREE) { + list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q); + bfa_nw_ioc_mbox_queue(&bna->device.ioc, &mbox_qe->cmd); + bna->mbox_mod.state = BNA_MBOX_POSTED; + } else { + list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q); + } +} + +static void +bna_mbox_flush_q(struct bna *bna, struct list_head *q) +{ + struct bna_mbox_qe *mb_qe = NULL; + struct list_head *mb_q; + void (*cbfn)(void *arg, int status); + void *cbarg; + + mb_q = &bna->mbox_mod.posted_q; + + while (!list_empty(mb_q)) { + bfa_q_deq(mb_q, &mb_qe); + cbfn = mb_qe->cbfn; + cbarg = mb_qe->cbarg; + bfa_q_qe_init(mb_qe); + bna->mbox_mod.msg_pending--; + + if (cbfn) + cbfn(cbarg, BNA_CB_NOT_EXEC); + } + + bna->mbox_mod.state = BNA_MBOX_FREE; +} + +static void +bna_mbox_mod_start(struct bna_mbox_mod *mbox_mod) +{ +} + +static void +bna_mbox_mod_stop(struct bna_mbox_mod *mbox_mod) +{ + bna_mbox_flush_q(mbox_mod->bna, &mbox_mod->posted_q); +} + +static void +bna_mbox_mod_init(struct bna_mbox_mod *mbox_mod, struct bna *bna) +{ + bfa_nw_ioc_mbox_regisr(&bna->device.ioc, BFI_MC_LL, bna_ll_isr, bna); + mbox_mod->state = BNA_MBOX_FREE; + mbox_mod->msg_ctr = mbox_mod->msg_pending = 0; + INIT_LIST_HEAD(&mbox_mod->posted_q); + mbox_mod->bna = bna; +} + +static void +bna_mbox_mod_uninit(struct bna_mbox_mod *mbox_mod) +{ + mbox_mod->bna = NULL; +} + +/** + * LLPORT + */ +#define call_llport_stop_cbfn(llport, status)\ +do {\ + if ((llport)->stop_cbfn)\ + (llport)->stop_cbfn(&(llport)->bna->port, status);\ + (llport)->stop_cbfn = NULL;\ +} while (0) + +static void bna_fw_llport_up(struct bna_llport *llport); +static void bna_fw_cb_llport_up(void *arg, int status); +static void bna_fw_llport_down(struct bna_llport *llport); +static void bna_fw_cb_llport_down(void *arg, int status); +static void bna_llport_start(struct bna_llport *llport); +static void bna_llport_stop(struct bna_llport *llport); +static void bna_llport_fail(struct bna_llport *llport); + +enum bna_llport_state { + BNA_LLPORT_STOPPED = 1, + BNA_LLPORT_DOWN = 2, + BNA_LLPORT_UP_RESP_WAIT = 3, + BNA_LLPORT_DOWN_RESP_WAIT = 4, + BNA_LLPORT_UP = 5, + BNA_LLPORT_LAST_RESP_WAIT = 6 +}; + +bfa_fsm_state_decl(bna_llport, stopped, struct bna_llport, + enum bna_llport_event); +bfa_fsm_state_decl(bna_llport, down, struct bna_llport, + enum bna_llport_event); +bfa_fsm_state_decl(bna_llport, up_resp_wait, struct bna_llport, + enum bna_llport_event); +bfa_fsm_state_decl(bna_llport, down_resp_wait, struct bna_llport, + enum bna_llport_event); +bfa_fsm_state_decl(bna_llport, up, struct bna_llport, + enum bna_llport_event); +bfa_fsm_state_decl(bna_llport, last_resp_wait, struct bna_llport, + enum bna_llport_event); + +static struct bfa_sm_table llport_sm_table[] = { + {BFA_SM(bna_llport_sm_stopped), BNA_LLPORT_STOPPED}, + {BFA_SM(bna_llport_sm_down), BNA_LLPORT_DOWN}, + {BFA_SM(bna_llport_sm_up_resp_wait), BNA_LLPORT_UP_RESP_WAIT}, + {BFA_SM(bna_llport_sm_down_resp_wait), BNA_LLPORT_DOWN_RESP_WAIT}, + {BFA_SM(bna_llport_sm_up), BNA_LLPORT_UP}, + {BFA_SM(bna_llport_sm_last_resp_wait), BNA_LLPORT_LAST_RESP_WAIT} +}; + +static void +bna_llport_sm_stopped_entry(struct bna_llport *llport) +{ + llport->bna->port.link_cbfn((llport)->bna->bnad, BNA_LINK_DOWN); + call_llport_stop_cbfn(llport, BNA_CB_SUCCESS); +} + +static void +bna_llport_sm_stopped(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_START: + bfa_fsm_set_state(llport, bna_llport_sm_down); + break; + + case LLPORT_E_STOP: + call_llport_stop_cbfn(llport, BNA_CB_SUCCESS); + break; + + case LLPORT_E_FAIL: + break; + + case LLPORT_E_DOWN: + /* This event is received due to Rx objects failing */ + /* No-op */ + break; + + case LLPORT_E_FWRESP_UP_OK: + case LLPORT_E_FWRESP_DOWN: + /** + * These events are received due to flushing of mbox when + * device fails + */ + /* No-op */ + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_llport_sm_down_entry(struct bna_llport *llport) +{ + bnad_cb_port_link_status((llport)->bna->bnad, BNA_LINK_DOWN); +} + +static void +bna_llport_sm_down(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_STOP: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_UP: + bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait); + bna_fw_llport_up(llport); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_llport_sm_up_resp_wait_entry(struct bna_llport *llport) +{ + BUG_ON(!llport_can_be_up(llport)); + /** + * NOTE: Do not call bna_fw_llport_up() here. That will over step + * mbox due to down_resp_wait -> up_resp_wait transition on event + * LLPORT_E_UP + */ +} + +static void +bna_llport_sm_up_resp_wait(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_STOP: + bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); + break; + + case LLPORT_E_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_DOWN: + bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait); + break; + + case LLPORT_E_FWRESP_UP_OK: + bfa_fsm_set_state(llport, bna_llport_sm_up); + break; + + case LLPORT_E_FWRESP_UP_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_down); + break; + + case LLPORT_E_FWRESP_DOWN: + /* down_resp_wait -> up_resp_wait transition on LLPORT_E_UP */ + bna_fw_llport_up(llport); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_llport_sm_down_resp_wait_entry(struct bna_llport *llport) +{ + /** + * NOTE: Do not call bna_fw_llport_down() here. That will over step + * mbox due to up_resp_wait -> down_resp_wait transition on event + * LLPORT_E_DOWN + */ +} + +static void +bna_llport_sm_down_resp_wait(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_STOP: + bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); + break; + + case LLPORT_E_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_UP: + bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait); + break; + + case LLPORT_E_FWRESP_UP_OK: + /* up_resp_wait->down_resp_wait transition on LLPORT_E_DOWN */ + bna_fw_llport_down(llport); + break; + + case LLPORT_E_FWRESP_UP_FAIL: + case LLPORT_E_FWRESP_DOWN: + bfa_fsm_set_state(llport, bna_llport_sm_down); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_llport_sm_up_entry(struct bna_llport *llport) +{ +} + +static void +bna_llport_sm_up(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_STOP: + bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait); + bna_fw_llport_down(llport); + break; + + case LLPORT_E_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_DOWN: + bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait); + bna_fw_llport_down(llport); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_llport_sm_last_resp_wait_entry(struct bna_llport *llport) +{ +} + +static void +bna_llport_sm_last_resp_wait(struct bna_llport *llport, + enum bna_llport_event event) +{ + switch (event) { + case LLPORT_E_FAIL: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + case LLPORT_E_DOWN: + /** + * This event is received due to Rx objects stopping in + * parallel to llport + */ + /* No-op */ + break; + + case LLPORT_E_FWRESP_UP_OK: + /* up_resp_wait->last_resp_wait transition on LLPORT_T_STOP */ + bna_fw_llport_down(llport); + break; + + case LLPORT_E_FWRESP_UP_FAIL: + case LLPORT_E_FWRESP_DOWN: + bfa_fsm_set_state(llport, bna_llport_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_fw_llport_admin_up(struct bna_llport *llport) +{ + struct bfi_ll_port_admin_req ll_req; + + memset(&ll_req, 0, sizeof(ll_req)); + ll_req.mh.msg_class = BFI_MC_LL; + ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ; + ll_req.mh.mtag.h2i.lpu_id = 0; + + ll_req.up = BNA_STATUS_T_ENABLED; + + bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_llport_up, llport); + + bna_mbox_send(llport->bna, &llport->mbox_qe); +} + +static void +bna_fw_llport_up(struct bna_llport *llport) +{ + if (llport->type == BNA_PORT_T_REGULAR) + bna_fw_llport_admin_up(llport); +} + +static void +bna_fw_cb_llport_up(void *arg, int status) +{ + struct bna_llport *llport = (struct bna_llport *)arg; + + bfa_q_qe_init(&llport->mbox_qe.qe); + if (status == BFI_LL_CMD_FAIL) { + if (llport->type == BNA_PORT_T_REGULAR) + llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; + else + llport->flags &= ~BNA_LLPORT_F_ADMIN_UP; + bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_FAIL); + } else + bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_OK); +} + +static void +bna_fw_llport_admin_down(struct bna_llport *llport) +{ + struct bfi_ll_port_admin_req ll_req; + + memset(&ll_req, 0, sizeof(ll_req)); + ll_req.mh.msg_class = BFI_MC_LL; + ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ; + ll_req.mh.mtag.h2i.lpu_id = 0; + + ll_req.up = BNA_STATUS_T_DISABLED; + + bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_llport_down, llport); + + bna_mbox_send(llport->bna, &llport->mbox_qe); +} + +static void +bna_fw_llport_down(struct bna_llport *llport) +{ + if (llport->type == BNA_PORT_T_REGULAR) + bna_fw_llport_admin_down(llport); +} + +static void +bna_fw_cb_llport_down(void *arg, int status) +{ + struct bna_llport *llport = (struct bna_llport *)arg; + + bfa_q_qe_init(&llport->mbox_qe.qe); + bfa_fsm_send_event(llport, LLPORT_E_FWRESP_DOWN); +} + +static void +bna_port_cb_llport_stopped(struct bna_port *port, + enum bna_cb_status status) +{ + bfa_wc_down(&port->chld_stop_wc); +} + +static void +bna_llport_init(struct bna_llport *llport, struct bna *bna) +{ + llport->flags |= BNA_LLPORT_F_ADMIN_UP; + llport->flags |= BNA_LLPORT_F_PORT_ENABLED; + llport->type = BNA_PORT_T_REGULAR; + llport->bna = bna; + + llport->link_status = BNA_LINK_DOWN; + + llport->rx_started_count = 0; + + llport->stop_cbfn = NULL; + + bfa_q_qe_init(&llport->mbox_qe.qe); + + bfa_fsm_set_state(llport, bna_llport_sm_stopped); +} + +static void +bna_llport_uninit(struct bna_llport *llport) +{ + llport->flags &= ~BNA_LLPORT_F_ADMIN_UP; + llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; + + llport->bna = NULL; +} + +static void +bna_llport_start(struct bna_llport *llport) +{ + bfa_fsm_send_event(llport, LLPORT_E_START); +} + +static void +bna_llport_stop(struct bna_llport *llport) +{ + llport->stop_cbfn = bna_port_cb_llport_stopped; + + bfa_fsm_send_event(llport, LLPORT_E_STOP); +} + +static void +bna_llport_fail(struct bna_llport *llport) +{ + /* Reset the physical port status to enabled */ + llport->flags |= BNA_LLPORT_F_PORT_ENABLED; + bfa_fsm_send_event(llport, LLPORT_E_FAIL); +} + +static int +bna_llport_state_get(struct bna_llport *llport) +{ + return bfa_sm_to_state(llport_sm_table, llport->fsm); +} + +void +bna_llport_rx_started(struct bna_llport *llport) +{ + llport->rx_started_count++; + + if (llport->rx_started_count == 1) { + + llport->flags |= BNA_LLPORT_F_RX_STARTED; + + if (llport_can_be_up(llport)) + bfa_fsm_send_event(llport, LLPORT_E_UP); + } +} + +void +bna_llport_rx_stopped(struct bna_llport *llport) +{ + int llport_up = llport_is_up(llport); + + llport->rx_started_count--; + + if (llport->rx_started_count == 0) { + + llport->flags &= ~BNA_LLPORT_F_RX_STARTED; + + if (llport_up) + bfa_fsm_send_event(llport, LLPORT_E_DOWN); + } +} + +/** + * PORT + */ +#define bna_port_chld_start(port)\ +do {\ + enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\ + enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ + bna_llport_start(&(port)->llport);\ + bna_tx_mod_start(&(port)->bna->tx_mod, tx_type);\ + bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\ +} while (0) + +#define bna_port_chld_stop(port)\ +do {\ + enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\ + enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ + bfa_wc_up(&(port)->chld_stop_wc);\ + bfa_wc_up(&(port)->chld_stop_wc);\ + bfa_wc_up(&(port)->chld_stop_wc);\ + bna_llport_stop(&(port)->llport);\ + bna_tx_mod_stop(&(port)->bna->tx_mod, tx_type);\ + bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\ +} while (0) + +#define bna_port_chld_fail(port)\ +do {\ + bna_llport_fail(&(port)->llport);\ + bna_tx_mod_fail(&(port)->bna->tx_mod);\ + bna_rx_mod_fail(&(port)->bna->rx_mod);\ +} while (0) + +#define bna_port_rx_start(port)\ +do {\ + enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ + bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\ +} while (0) + +#define bna_port_rx_stop(port)\ +do {\ + enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\ + BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\ + bfa_wc_up(&(port)->chld_stop_wc);\ + bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\ +} while (0) + +#define call_port_stop_cbfn(port, status)\ +do {\ + if ((port)->stop_cbfn)\ + (port)->stop_cbfn((port)->stop_cbarg, status);\ + (port)->stop_cbfn = NULL;\ + (port)->stop_cbarg = NULL;\ +} while (0) + +#define call_port_pause_cbfn(port, status)\ +do {\ + if ((port)->pause_cbfn)\ + (port)->pause_cbfn((port)->bna->bnad, status);\ + (port)->pause_cbfn = NULL;\ +} while (0) + +#define call_port_mtu_cbfn(port, status)\ +do {\ + if ((port)->mtu_cbfn)\ + (port)->mtu_cbfn((port)->bna->bnad, status);\ + (port)->mtu_cbfn = NULL;\ +} while (0) + +static void bna_fw_pause_set(struct bna_port *port); +static void bna_fw_cb_pause_set(void *arg, int status); +static void bna_fw_mtu_set(struct bna_port *port); +static void bna_fw_cb_mtu_set(void *arg, int status); + +enum bna_port_event { + PORT_E_START = 1, + PORT_E_STOP = 2, + PORT_E_FAIL = 3, + PORT_E_PAUSE_CFG = 4, + PORT_E_MTU_CFG = 5, + PORT_E_CHLD_STOPPED = 6, + PORT_E_FWRESP_PAUSE = 7, + PORT_E_FWRESP_MTU = 8 +}; + +enum bna_port_state { + BNA_PORT_STOPPED = 1, + BNA_PORT_MTU_INIT_WAIT = 2, + BNA_PORT_PAUSE_INIT_WAIT = 3, + BNA_PORT_LAST_RESP_WAIT = 4, + BNA_PORT_STARTED = 5, + BNA_PORT_PAUSE_CFG_WAIT = 6, + BNA_PORT_RX_STOP_WAIT = 7, + BNA_PORT_MTU_CFG_WAIT = 8, + BNA_PORT_CHLD_STOP_WAIT = 9 +}; + +bfa_fsm_state_decl(bna_port, stopped, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, mtu_init_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, pause_init_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, last_resp_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, started, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, pause_cfg_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, rx_stop_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, mtu_cfg_wait, struct bna_port, + enum bna_port_event); +bfa_fsm_state_decl(bna_port, chld_stop_wait, struct bna_port, + enum bna_port_event); + +static struct bfa_sm_table port_sm_table[] = { + {BFA_SM(bna_port_sm_stopped), BNA_PORT_STOPPED}, + {BFA_SM(bna_port_sm_mtu_init_wait), BNA_PORT_MTU_INIT_WAIT}, + {BFA_SM(bna_port_sm_pause_init_wait), BNA_PORT_PAUSE_INIT_WAIT}, + {BFA_SM(bna_port_sm_last_resp_wait), BNA_PORT_LAST_RESP_WAIT}, + {BFA_SM(bna_port_sm_started), BNA_PORT_STARTED}, + {BFA_SM(bna_port_sm_pause_cfg_wait), BNA_PORT_PAUSE_CFG_WAIT}, + {BFA_SM(bna_port_sm_rx_stop_wait), BNA_PORT_RX_STOP_WAIT}, + {BFA_SM(bna_port_sm_mtu_cfg_wait), BNA_PORT_MTU_CFG_WAIT}, + {BFA_SM(bna_port_sm_chld_stop_wait), BNA_PORT_CHLD_STOP_WAIT} +}; + +static void +bna_port_sm_stopped_entry(struct bna_port *port) +{ + call_port_pause_cbfn(port, BNA_CB_SUCCESS); + call_port_mtu_cbfn(port, BNA_CB_SUCCESS); + call_port_stop_cbfn(port, BNA_CB_SUCCESS); +} + +static void +bna_port_sm_stopped(struct bna_port *port, enum bna_port_event event) +{ + switch (event) { + case PORT_E_START: + bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait); + break; + + case PORT_E_STOP: + call_port_stop_cbfn(port, BNA_CB_SUCCESS); + break; + + case PORT_E_FAIL: + /* No-op */ + break; + + case PORT_E_PAUSE_CFG: + call_port_pause_cbfn(port, BNA_CB_SUCCESS); + break; + + case PORT_E_MTU_CFG: + call_port_mtu_cbfn(port, BNA_CB_SUCCESS); + break; + + case PORT_E_CHLD_STOPPED: + /** + * This event is received due to LLPort, Tx and Rx objects + * failing + */ + /* No-op */ + break; + + case PORT_E_FWRESP_PAUSE: + case PORT_E_FWRESP_MTU: + /** + * These events are received due to flushing of mbox when + * device fails + */ + /* No-op */ + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_mtu_init_wait_entry(struct bna_port *port) +{ + bna_fw_mtu_set(port); +} + +static void +bna_port_sm_mtu_init_wait(struct bna_port *port, enum bna_port_event event) +{ + switch (event) { + case PORT_E_STOP: + bfa_fsm_set_state(port, bna_port_sm_last_resp_wait); + break; + + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + break; + + case PORT_E_PAUSE_CFG: + /* No-op */ + break; + + case PORT_E_MTU_CFG: + port->flags |= BNA_PORT_F_MTU_CHANGED; + break; + + case PORT_E_FWRESP_MTU: + if (port->flags & BNA_PORT_F_MTU_CHANGED) { + port->flags &= ~BNA_PORT_F_MTU_CHANGED; + bna_fw_mtu_set(port); + } else { + bfa_fsm_set_state(port, bna_port_sm_pause_init_wait); + } + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_pause_init_wait_entry(struct bna_port *port) +{ + bna_fw_pause_set(port); +} + +static void +bna_port_sm_pause_init_wait(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_STOP: + bfa_fsm_set_state(port, bna_port_sm_last_resp_wait); + break; + + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + break; + + case PORT_E_PAUSE_CFG: + port->flags |= BNA_PORT_F_PAUSE_CHANGED; + break; + + case PORT_E_MTU_CFG: + port->flags |= BNA_PORT_F_MTU_CHANGED; + break; + + case PORT_E_FWRESP_PAUSE: + if (port->flags & BNA_PORT_F_PAUSE_CHANGED) { + port->flags &= ~BNA_PORT_F_PAUSE_CHANGED; + bna_fw_pause_set(port); + } else if (port->flags & BNA_PORT_F_MTU_CHANGED) { + port->flags &= ~BNA_PORT_F_MTU_CHANGED; + bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait); + } else { + bfa_fsm_set_state(port, bna_port_sm_started); + bna_port_chld_start(port); + } + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_last_resp_wait_entry(struct bna_port *port) +{ +} + +static void +bna_port_sm_last_resp_wait(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_FAIL: + case PORT_E_FWRESP_PAUSE: + case PORT_E_FWRESP_MTU: + bfa_fsm_set_state(port, bna_port_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_started_entry(struct bna_port *port) +{ + /** + * NOTE: Do not call bna_port_chld_start() here, since it will be + * inadvertently called during pause_cfg_wait->started transition + * as well + */ + call_port_pause_cbfn(port, BNA_CB_SUCCESS); + call_port_mtu_cbfn(port, BNA_CB_SUCCESS); +} + +static void +bna_port_sm_started(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_STOP: + bfa_fsm_set_state(port, bna_port_sm_chld_stop_wait); + break; + + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + bna_port_chld_fail(port); + break; + + case PORT_E_PAUSE_CFG: + bfa_fsm_set_state(port, bna_port_sm_pause_cfg_wait); + break; + + case PORT_E_MTU_CFG: + bfa_fsm_set_state(port, bna_port_sm_rx_stop_wait); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_pause_cfg_wait_entry(struct bna_port *port) +{ + bna_fw_pause_set(port); +} + +static void +bna_port_sm_pause_cfg_wait(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + bna_port_chld_fail(port); + break; + + case PORT_E_FWRESP_PAUSE: + bfa_fsm_set_state(port, bna_port_sm_started); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_rx_stop_wait_entry(struct bna_port *port) +{ + bna_port_rx_stop(port); +} + +static void +bna_port_sm_rx_stop_wait(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + bna_port_chld_fail(port); + break; + + case PORT_E_CHLD_STOPPED: + bfa_fsm_set_state(port, bna_port_sm_mtu_cfg_wait); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_mtu_cfg_wait_entry(struct bna_port *port) +{ + bna_fw_mtu_set(port); +} + +static void +bna_port_sm_mtu_cfg_wait(struct bna_port *port, enum bna_port_event event) +{ + switch (event) { + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + bna_port_chld_fail(port); + break; + + case PORT_E_FWRESP_MTU: + bfa_fsm_set_state(port, bna_port_sm_started); + bna_port_rx_start(port); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_port_sm_chld_stop_wait_entry(struct bna_port *port) +{ + bna_port_chld_stop(port); +} + +static void +bna_port_sm_chld_stop_wait(struct bna_port *port, + enum bna_port_event event) +{ + switch (event) { + case PORT_E_FAIL: + bfa_fsm_set_state(port, bna_port_sm_stopped); + bna_port_chld_fail(port); + break; + + case PORT_E_CHLD_STOPPED: + bfa_fsm_set_state(port, bna_port_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_fw_pause_set(struct bna_port *port) +{ + struct bfi_ll_set_pause_req ll_req; + + memset(&ll_req, 0, sizeof(ll_req)); + ll_req.mh.msg_class = BFI_MC_LL; + ll_req.mh.msg_id = BFI_LL_H2I_SET_PAUSE_REQ; + ll_req.mh.mtag.h2i.lpu_id = 0; + + ll_req.tx_pause = port->pause_config.tx_pause; + ll_req.rx_pause = port->pause_config.rx_pause; + + bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_pause_set, port); + + bna_mbox_send(port->bna, &port->mbox_qe); +} + +static void +bna_fw_cb_pause_set(void *arg, int status) +{ + struct bna_port *port = (struct bna_port *)arg; + + bfa_q_qe_init(&port->mbox_qe.qe); + bfa_fsm_send_event(port, PORT_E_FWRESP_PAUSE); +} + +void +bna_fw_mtu_set(struct bna_port *port) +{ + struct bfi_ll_mtu_info_req ll_req; + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_MTU_INFO_REQ, 0); + ll_req.mtu = htons((u16)port->mtu); + + bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_mtu_set, port); + bna_mbox_send(port->bna, &port->mbox_qe); +} + +void +bna_fw_cb_mtu_set(void *arg, int status) +{ + struct bna_port *port = (struct bna_port *)arg; + + bfa_q_qe_init(&port->mbox_qe.qe); + bfa_fsm_send_event(port, PORT_E_FWRESP_MTU); +} + +static void +bna_port_cb_chld_stopped(void *arg) +{ + struct bna_port *port = (struct bna_port *)arg; + + bfa_fsm_send_event(port, PORT_E_CHLD_STOPPED); +} + +static void +bna_port_init(struct bna_port *port, struct bna *bna) +{ + port->bna = bna; + port->flags = 0; + port->mtu = 0; + port->type = BNA_PORT_T_REGULAR; + + port->link_cbfn = bnad_cb_port_link_status; + + port->chld_stop_wc.wc_resume = bna_port_cb_chld_stopped; + port->chld_stop_wc.wc_cbarg = port; + port->chld_stop_wc.wc_count = 0; + + port->stop_cbfn = NULL; + port->stop_cbarg = NULL; + + port->pause_cbfn = NULL; + + port->mtu_cbfn = NULL; + + bfa_q_qe_init(&port->mbox_qe.qe); + + bfa_fsm_set_state(port, bna_port_sm_stopped); + + bna_llport_init(&port->llport, bna); +} + +static void +bna_port_uninit(struct bna_port *port) +{ + bna_llport_uninit(&port->llport); + + port->flags = 0; + + port->bna = NULL; +} + +static int +bna_port_state_get(struct bna_port *port) +{ + return bfa_sm_to_state(port_sm_table, port->fsm); +} + +static void +bna_port_start(struct bna_port *port) +{ + port->flags |= BNA_PORT_F_DEVICE_READY; + if (port->flags & BNA_PORT_F_ENABLED) + bfa_fsm_send_event(port, PORT_E_START); +} + +static void +bna_port_stop(struct bna_port *port) +{ + port->stop_cbfn = bna_device_cb_port_stopped; + port->stop_cbarg = &port->bna->device; + + port->flags &= ~BNA_PORT_F_DEVICE_READY; + bfa_fsm_send_event(port, PORT_E_STOP); +} + +static void +bna_port_fail(struct bna_port *port) +{ + port->flags &= ~BNA_PORT_F_DEVICE_READY; + bfa_fsm_send_event(port, PORT_E_FAIL); +} + +void +bna_port_cb_tx_stopped(struct bna_port *port, enum bna_cb_status status) +{ + bfa_wc_down(&port->chld_stop_wc); +} + +void +bna_port_cb_rx_stopped(struct bna_port *port, enum bna_cb_status status) +{ + bfa_wc_down(&port->chld_stop_wc); +} + +int +bna_port_mtu_get(struct bna_port *port) +{ + return port->mtu; +} + +void +bna_port_enable(struct bna_port *port) +{ + if (port->fsm != (bfa_sm_t)bna_port_sm_stopped) + return; + + port->flags |= BNA_PORT_F_ENABLED; + + if (port->flags & BNA_PORT_F_DEVICE_READY) + bfa_fsm_send_event(port, PORT_E_START); +} + +void +bna_port_disable(struct bna_port *port, enum bna_cleanup_type type, + void (*cbfn)(void *, enum bna_cb_status)) +{ + if (type == BNA_SOFT_CLEANUP) { + (*cbfn)(port->bna->bnad, BNA_CB_SUCCESS); + return; + } + + port->stop_cbfn = cbfn; + port->stop_cbarg = port->bna->bnad; + + port->flags &= ~BNA_PORT_F_ENABLED; + + bfa_fsm_send_event(port, PORT_E_STOP); +} + +void +bna_port_pause_config(struct bna_port *port, + struct bna_pause_config *pause_config, + void (*cbfn)(struct bnad *, enum bna_cb_status)) +{ + port->pause_config = *pause_config; + + port->pause_cbfn = cbfn; + + bfa_fsm_send_event(port, PORT_E_PAUSE_CFG); +} + +void +bna_port_mtu_set(struct bna_port *port, int mtu, + void (*cbfn)(struct bnad *, enum bna_cb_status)) +{ + port->mtu = mtu; + + port->mtu_cbfn = cbfn; + + bfa_fsm_send_event(port, PORT_E_MTU_CFG); +} + +void +bna_port_mac_get(struct bna_port *port, mac_t *mac) +{ + *mac = bfa_nw_ioc_get_mac(&port->bna->device.ioc); +} + +/** + * DEVICE + */ +#define enable_mbox_intr(_device)\ +do {\ + u32 intr_status;\ + bna_intr_status_get((_device)->bna, intr_status);\ + bnad_cb_device_enable_mbox_intr((_device)->bna->bnad);\ + bna_mbox_intr_enable((_device)->bna);\ +} while (0) + +#define disable_mbox_intr(_device)\ +do {\ + bna_mbox_intr_disable((_device)->bna);\ + bnad_cb_device_disable_mbox_intr((_device)->bna->bnad);\ +} while (0) + +static const struct bna_chip_regs_offset reg_offset[] = +{{HOST_PAGE_NUM_FN0, HOSTFN0_INT_STATUS, + HOSTFN0_INT_MASK, HOST_MSIX_ERR_INDEX_FN0}, +{HOST_PAGE_NUM_FN1, HOSTFN1_INT_STATUS, + HOSTFN1_INT_MASK, HOST_MSIX_ERR_INDEX_FN1}, +{HOST_PAGE_NUM_FN2, HOSTFN2_INT_STATUS, + HOSTFN2_INT_MASK, HOST_MSIX_ERR_INDEX_FN2}, +{HOST_PAGE_NUM_FN3, HOSTFN3_INT_STATUS, + HOSTFN3_INT_MASK, HOST_MSIX_ERR_INDEX_FN3}, +}; + +enum bna_device_event { + DEVICE_E_ENABLE = 1, + DEVICE_E_DISABLE = 2, + DEVICE_E_IOC_READY = 3, + DEVICE_E_IOC_FAILED = 4, + DEVICE_E_IOC_DISABLED = 5, + DEVICE_E_IOC_RESET = 6, + DEVICE_E_PORT_STOPPED = 7, +}; + +enum bna_device_state { + BNA_DEVICE_STOPPED = 1, + BNA_DEVICE_IOC_READY_WAIT = 2, + BNA_DEVICE_READY = 3, + BNA_DEVICE_PORT_STOP_WAIT = 4, + BNA_DEVICE_IOC_DISABLE_WAIT = 5, + BNA_DEVICE_FAILED = 6 +}; + +bfa_fsm_state_decl(bna_device, stopped, struct bna_device, + enum bna_device_event); +bfa_fsm_state_decl(bna_device, ioc_ready_wait, struct bna_device, + enum bna_device_event); +bfa_fsm_state_decl(bna_device, ready, struct bna_device, + enum bna_device_event); +bfa_fsm_state_decl(bna_device, port_stop_wait, struct bna_device, + enum bna_device_event); +bfa_fsm_state_decl(bna_device, ioc_disable_wait, struct bna_device, + enum bna_device_event); +bfa_fsm_state_decl(bna_device, failed, struct bna_device, + enum bna_device_event); + +static struct bfa_sm_table device_sm_table[] = { + {BFA_SM(bna_device_sm_stopped), BNA_DEVICE_STOPPED}, + {BFA_SM(bna_device_sm_ioc_ready_wait), BNA_DEVICE_IOC_READY_WAIT}, + {BFA_SM(bna_device_sm_ready), BNA_DEVICE_READY}, + {BFA_SM(bna_device_sm_port_stop_wait), BNA_DEVICE_PORT_STOP_WAIT}, + {BFA_SM(bna_device_sm_ioc_disable_wait), BNA_DEVICE_IOC_DISABLE_WAIT}, + {BFA_SM(bna_device_sm_failed), BNA_DEVICE_FAILED}, +}; + +static void +bna_device_sm_stopped_entry(struct bna_device *device) +{ + if (device->stop_cbfn) + device->stop_cbfn(device->stop_cbarg, BNA_CB_SUCCESS); + + device->stop_cbfn = NULL; + device->stop_cbarg = NULL; +} + +static void +bna_device_sm_stopped(struct bna_device *device, + enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_ENABLE: + if (device->intr_type == BNA_INTR_T_MSIX) + bna_mbox_msix_idx_set(device); + bfa_nw_ioc_enable(&device->ioc); + bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait); + break; + + case DEVICE_E_DISABLE: + bfa_fsm_set_state(device, bna_device_sm_stopped); + break; + + case DEVICE_E_IOC_RESET: + enable_mbox_intr(device); + break; + + case DEVICE_E_IOC_FAILED: + bfa_fsm_set_state(device, bna_device_sm_failed); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_device_sm_ioc_ready_wait_entry(struct bna_device *device) +{ + /** + * Do not call bfa_ioc_enable() here. It must be called in the + * previous state due to failed -> ioc_ready_wait transition. + */ +} + +static void +bna_device_sm_ioc_ready_wait(struct bna_device *device, + enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_DISABLE: + if (device->ready_cbfn) + device->ready_cbfn(device->ready_cbarg, + BNA_CB_INTERRUPT); + device->ready_cbfn = NULL; + device->ready_cbarg = NULL; + bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); + break; + + case DEVICE_E_IOC_READY: + bfa_fsm_set_state(device, bna_device_sm_ready); + break; + + case DEVICE_E_IOC_FAILED: + bfa_fsm_set_state(device, bna_device_sm_failed); + break; + + case DEVICE_E_IOC_RESET: + enable_mbox_intr(device); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_device_sm_ready_entry(struct bna_device *device) +{ + bna_mbox_mod_start(&device->bna->mbox_mod); + bna_port_start(&device->bna->port); + + if (device->ready_cbfn) + device->ready_cbfn(device->ready_cbarg, + BNA_CB_SUCCESS); + device->ready_cbfn = NULL; + device->ready_cbarg = NULL; +} + +static void +bna_device_sm_ready(struct bna_device *device, enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_DISABLE: + bfa_fsm_set_state(device, bna_device_sm_port_stop_wait); + break; + + case DEVICE_E_IOC_FAILED: + bfa_fsm_set_state(device, bna_device_sm_failed); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_device_sm_port_stop_wait_entry(struct bna_device *device) +{ + bna_port_stop(&device->bna->port); +} + +static void +bna_device_sm_port_stop_wait(struct bna_device *device, + enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_PORT_STOPPED: + bna_mbox_mod_stop(&device->bna->mbox_mod); + bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); + break; + + case DEVICE_E_IOC_FAILED: + disable_mbox_intr(device); + bna_port_fail(&device->bna->port); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_device_sm_ioc_disable_wait_entry(struct bna_device *device) +{ + bfa_nw_ioc_disable(&device->ioc); +} + +static void +bna_device_sm_ioc_disable_wait(struct bna_device *device, + enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_IOC_DISABLED: + disable_mbox_intr(device); + bfa_fsm_set_state(device, bna_device_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_device_sm_failed_entry(struct bna_device *device) +{ + disable_mbox_intr(device); + bna_port_fail(&device->bna->port); + bna_mbox_mod_stop(&device->bna->mbox_mod); + + if (device->ready_cbfn) + device->ready_cbfn(device->ready_cbarg, + BNA_CB_FAIL); + device->ready_cbfn = NULL; + device->ready_cbarg = NULL; +} + +static void +bna_device_sm_failed(struct bna_device *device, + enum bna_device_event event) +{ + switch (event) { + case DEVICE_E_DISABLE: + bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait); + break; + + case DEVICE_E_IOC_RESET: + enable_mbox_intr(device); + bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait); + break; + + default: + bfa_sm_fault(event); + } +} + +/* IOC callback functions */ + +static void +bna_device_cb_iocll_ready(void *dev, enum bfa_status error) +{ + struct bna_device *device = (struct bna_device *)dev; + + if (error) + bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED); + else + bfa_fsm_send_event(device, DEVICE_E_IOC_READY); +} + +static void +bna_device_cb_iocll_disabled(void *dev) +{ + struct bna_device *device = (struct bna_device *)dev; + + bfa_fsm_send_event(device, DEVICE_E_IOC_DISABLED); +} + +static void +bna_device_cb_iocll_failed(void *dev) +{ + struct bna_device *device = (struct bna_device *)dev; + + bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED); +} + +static void +bna_device_cb_iocll_reset(void *dev) +{ + struct bna_device *device = (struct bna_device *)dev; + + bfa_fsm_send_event(device, DEVICE_E_IOC_RESET); +} + +static struct bfa_ioc_cbfn bfa_iocll_cbfn = { + bna_device_cb_iocll_ready, + bna_device_cb_iocll_disabled, + bna_device_cb_iocll_failed, + bna_device_cb_iocll_reset +}; + +/* device */ +static void +bna_adv_device_init(struct bna_device *device, struct bna *bna, + struct bna_res_info *res_info) +{ + u8 *kva; + u64 dma; + + device->bna = bna; + + kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva; + + /** + * Attach common modules (Diag, SFP, CEE, Port) and claim respective + * DMA memory. + */ + BNA_GET_DMA_ADDR( + &res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma); + kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva; + + bfa_nw_cee_attach(&bna->cee, &device->ioc, bna); + bfa_nw_cee_mem_claim(&bna->cee, kva, dma); + kva += bfa_nw_cee_meminfo(); + dma += bfa_nw_cee_meminfo(); + +} + +static void +bna_device_init(struct bna_device *device, struct bna *bna, + struct bna_res_info *res_info) +{ + u64 dma; + + device->bna = bna; + + /** + * Attach IOC and claim: + * 1. DMA memory for IOC attributes + * 2. Kernel memory for FW trace + */ + bfa_nw_ioc_attach(&device->ioc, device, &bfa_iocll_cbfn); + bfa_nw_ioc_pci_init(&device->ioc, &bna->pcidev, BFI_MC_LL); + + BNA_GET_DMA_ADDR( + &res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma); + bfa_nw_ioc_mem_claim(&device->ioc, + res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva, + dma); + + bna_adv_device_init(device, bna, res_info); + /* + * Initialize mbox_mod only after IOC, so that mbox handler + * registration goes through + */ + device->intr_type = + res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type; + device->vector = + res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.idl[0].vector; + bna_mbox_mod_init(&bna->mbox_mod, bna); + + device->ready_cbfn = device->stop_cbfn = NULL; + device->ready_cbarg = device->stop_cbarg = NULL; + + bfa_fsm_set_state(device, bna_device_sm_stopped); +} + +static void +bna_device_uninit(struct bna_device *device) +{ + bna_mbox_mod_uninit(&device->bna->mbox_mod); + + bfa_nw_ioc_detach(&device->ioc); + + device->bna = NULL; +} + +static void +bna_device_cb_port_stopped(void *arg, enum bna_cb_status status) +{ + struct bna_device *device = (struct bna_device *)arg; + + bfa_fsm_send_event(device, DEVICE_E_PORT_STOPPED); +} + +static int +bna_device_status_get(struct bna_device *device) +{ + return device->fsm == (bfa_fsm_t)bna_device_sm_ready; +} + +void +bna_device_enable(struct bna_device *device) +{ + if (device->fsm != (bfa_fsm_t)bna_device_sm_stopped) { + bnad_cb_device_enabled(device->bna->bnad, BNA_CB_BUSY); + return; + } + + device->ready_cbfn = bnad_cb_device_enabled; + device->ready_cbarg = device->bna->bnad; + + bfa_fsm_send_event(device, DEVICE_E_ENABLE); +} + +void +bna_device_disable(struct bna_device *device, enum bna_cleanup_type type) +{ + if (type == BNA_SOFT_CLEANUP) { + bnad_cb_device_disabled(device->bna->bnad, BNA_CB_SUCCESS); + return; + } + + device->stop_cbfn = bnad_cb_device_disabled; + device->stop_cbarg = device->bna->bnad; + + bfa_fsm_send_event(device, DEVICE_E_DISABLE); +} + +static int +bna_device_state_get(struct bna_device *device) +{ + return bfa_sm_to_state(device_sm_table, device->fsm); +} + +const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = { + {12, 12}, + {6, 10}, + {5, 10}, + {4, 8}, + {3, 6}, + {3, 6}, + {2, 4}, + {1, 2}, +}; + +/* utils */ + +static void +bna_adv_res_req(struct bna_res_info *res_info) +{ + /* DMA memory for COMMON_MODULE */ + res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA; + res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN( + bfa_nw_cee_meminfo(), PAGE_SIZE); + + /* Virtual memory for retreiving fw_trc */ + res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 0; + res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = 0; + + /* DMA memory for retreiving stats */ + res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA; + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len = + ALIGN(BFI_HW_STATS_SIZE, PAGE_SIZE); + + /* Virtual memory for soft stats */ + res_info[BNA_RES_MEM_T_SWSTATS].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mem_type = BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.len = + sizeof(struct bna_sw_stats); +} + +static void +bna_sw_stats_get(struct bna *bna, struct bna_sw_stats *sw_stats) +{ + struct bna_tx *tx; + struct bna_txq *txq; + struct bna_rx *rx; + struct bna_rxp *rxp; + struct list_head *qe; + struct list_head *txq_qe; + struct list_head *rxp_qe; + struct list_head *mac_qe; + int i; + + sw_stats->device_state = bna_device_state_get(&bna->device); + sw_stats->port_state = bna_port_state_get(&bna->port); + sw_stats->port_flags = bna->port.flags; + sw_stats->llport_state = bna_llport_state_get(&bna->port.llport); + sw_stats->priority = bna->port.priority; + + i = 0; + list_for_each(qe, &bna->tx_mod.tx_active_q) { + tx = (struct bna_tx *)qe; + sw_stats->tx_stats[i].tx_state = bna_tx_state_get(tx); + sw_stats->tx_stats[i].tx_flags = tx->flags; + + sw_stats->tx_stats[i].num_txqs = 0; + sw_stats->tx_stats[i].txq_bmap[0] = 0; + sw_stats->tx_stats[i].txq_bmap[1] = 0; + list_for_each(txq_qe, &tx->txq_q) { + txq = (struct bna_txq *)txq_qe; + if (txq->txq_id < 32) + sw_stats->tx_stats[i].txq_bmap[0] |= + ((u32)1 << txq->txq_id); + else + sw_stats->tx_stats[i].txq_bmap[1] |= + ((u32) + 1 << (txq->txq_id - 32)); + sw_stats->tx_stats[i].num_txqs++; + } + + sw_stats->tx_stats[i].txf_id = tx->txf.txf_id; + + i++; + } + sw_stats->num_active_tx = i; + + i = 0; + list_for_each(qe, &bna->rx_mod.rx_active_q) { + rx = (struct bna_rx *)qe; + sw_stats->rx_stats[i].rx_state = bna_rx_state_get(rx); + sw_stats->rx_stats[i].rx_flags = rx->rx_flags; + + sw_stats->rx_stats[i].num_rxps = 0; + sw_stats->rx_stats[i].num_rxqs = 0; + sw_stats->rx_stats[i].rxq_bmap[0] = 0; + sw_stats->rx_stats[i].rxq_bmap[1] = 0; + sw_stats->rx_stats[i].cq_bmap[0] = 0; + sw_stats->rx_stats[i].cq_bmap[1] = 0; + list_for_each(rxp_qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)rxp_qe; + + sw_stats->rx_stats[i].num_rxqs += 1; + + if (rxp->type == BNA_RXP_SINGLE) { + if (rxp->rxq.single.only->rxq_id < 32) { + sw_stats->rx_stats[i].rxq_bmap[0] |= + ((u32)1 << + rxp->rxq.single.only->rxq_id); + } else { + sw_stats->rx_stats[i].rxq_bmap[1] |= + ((u32)1 << + (rxp->rxq.single.only->rxq_id - 32)); + } + } else { + if (rxp->rxq.slr.large->rxq_id < 32) { + sw_stats->rx_stats[i].rxq_bmap[0] |= + ((u32)1 << + rxp->rxq.slr.large->rxq_id); + } else { + sw_stats->rx_stats[i].rxq_bmap[1] |= + ((u32)1 << + (rxp->rxq.slr.large->rxq_id - 32)); + } + + if (rxp->rxq.slr.small->rxq_id < 32) { + sw_stats->rx_stats[i].rxq_bmap[0] |= + ((u32)1 << + rxp->rxq.slr.small->rxq_id); + } else { + sw_stats->rx_stats[i].rxq_bmap[1] |= + ((u32)1 << + (rxp->rxq.slr.small->rxq_id - 32)); + } + sw_stats->rx_stats[i].num_rxqs += 1; + } + + if (rxp->cq.cq_id < 32) + sw_stats->rx_stats[i].cq_bmap[0] |= + (1 << rxp->cq.cq_id); + else + sw_stats->rx_stats[i].cq_bmap[1] |= + (1 << (rxp->cq.cq_id - 32)); + + sw_stats->rx_stats[i].num_rxps++; + } + + sw_stats->rx_stats[i].rxf_id = rx->rxf.rxf_id; + sw_stats->rx_stats[i].rxf_state = bna_rxf_state_get(&rx->rxf); + sw_stats->rx_stats[i].rxf_oper_state = rx->rxf.rxf_oper_state; + + sw_stats->rx_stats[i].num_active_ucast = 0; + if (rx->rxf.ucast_active_mac) + sw_stats->rx_stats[i].num_active_ucast++; + list_for_each(mac_qe, &rx->rxf.ucast_active_q) + sw_stats->rx_stats[i].num_active_ucast++; + + sw_stats->rx_stats[i].num_active_mcast = 0; + list_for_each(mac_qe, &rx->rxf.mcast_active_q) + sw_stats->rx_stats[i].num_active_mcast++; + + sw_stats->rx_stats[i].rxmode_active = rx->rxf.rxmode_active; + sw_stats->rx_stats[i].vlan_filter_status = + rx->rxf.vlan_filter_status; + memcpy(sw_stats->rx_stats[i].vlan_filter_table, + rx->rxf.vlan_filter_table, + sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32)); + + sw_stats->rx_stats[i].rss_status = rx->rxf.rss_status; + sw_stats->rx_stats[i].hds_status = rx->rxf.hds_status; + + i++; + } + sw_stats->num_active_rx = i; +} + +static void +bna_fw_cb_stats_get(void *arg, int status) +{ + struct bna *bna = (struct bna *)arg; + u64 *p_stats; + int i, count; + int rxf_count, txf_count; + u64 rxf_bmap, txf_bmap; + + bfa_q_qe_init(&bna->mbox_qe.qe); + + if (status == 0) { + p_stats = (u64 *)bna->stats.hw_stats; + count = sizeof(struct bfi_ll_stats) / sizeof(u64); + for (i = 0; i < count; i++) + p_stats[i] = cpu_to_be64(p_stats[i]); + + rxf_count = 0; + rxf_bmap = (u64)bna->stats.rxf_bmap[0] | + ((u64)bna->stats.rxf_bmap[1] << 32); + for (i = 0; i < BFI_LL_RXF_ID_MAX; i++) + if (rxf_bmap & ((u64)1 << i)) + rxf_count++; + + txf_count = 0; + txf_bmap = (u64)bna->stats.txf_bmap[0] | + ((u64)bna->stats.txf_bmap[1] << 32); + for (i = 0; i < BFI_LL_TXF_ID_MAX; i++) + if (txf_bmap & ((u64)1 << i)) + txf_count++; + + p_stats = (u64 *)&bna->stats.hw_stats->rxf_stats[0] + + ((rxf_count * sizeof(struct bfi_ll_stats_rxf) + + txf_count * sizeof(struct bfi_ll_stats_txf))/ + sizeof(u64)); + + /* Populate the TXF stats from the firmware DMAed copy */ + for (i = (BFI_LL_TXF_ID_MAX - 1); i >= 0; i--) + if (txf_bmap & ((u64)1 << i)) { + p_stats -= sizeof(struct bfi_ll_stats_txf)/ + sizeof(u64); + memcpy(&bna->stats.hw_stats->txf_stats[i], + p_stats, + sizeof(struct bfi_ll_stats_txf)); + } + + /* Populate the RXF stats from the firmware DMAed copy */ + for (i = (BFI_LL_RXF_ID_MAX - 1); i >= 0; i--) + if (rxf_bmap & ((u64)1 << i)) { + p_stats -= sizeof(struct bfi_ll_stats_rxf)/ + sizeof(u64); + memcpy(&bna->stats.hw_stats->rxf_stats[i], + p_stats, + sizeof(struct bfi_ll_stats_rxf)); + } + + bna_sw_stats_get(bna, bna->stats.sw_stats); + bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats); + } else + bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats); +} + +static void +bna_fw_stats_get(struct bna *bna) +{ + struct bfi_ll_stats_req ll_req; + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_GET_REQ, 0); + ll_req.stats_mask = htons(BFI_LL_STATS_ALL); + + ll_req.rxf_id_mask[0] = htonl(bna->rx_mod.rxf_bmap[0]); + ll_req.rxf_id_mask[1] = htonl(bna->rx_mod.rxf_bmap[1]); + ll_req.txf_id_mask[0] = htonl(bna->tx_mod.txf_bmap[0]); + ll_req.txf_id_mask[1] = htonl(bna->tx_mod.txf_bmap[1]); + + ll_req.host_buffer.a32.addr_hi = bna->hw_stats_dma.msb; + ll_req.host_buffer.a32.addr_lo = bna->hw_stats_dma.lsb; + + bna_mbox_qe_fill(&bna->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_stats_get, bna); + bna_mbox_send(bna, &bna->mbox_qe); + + bna->stats.rxf_bmap[0] = bna->rx_mod.rxf_bmap[0]; + bna->stats.rxf_bmap[1] = bna->rx_mod.rxf_bmap[1]; + bna->stats.txf_bmap[0] = bna->tx_mod.txf_bmap[0]; + bna->stats.txf_bmap[1] = bna->tx_mod.txf_bmap[1]; +} + +void +bna_stats_get(struct bna *bna) +{ + if (bna_device_status_get(&bna->device)) + bna_fw_stats_get(bna); + else + bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats); +} + +/* IB */ +static void +bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo) +{ + ib->ib_config.coalescing_timeo = coalescing_timeo; + + if (ib->start_count) + ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK( + (u32)ib->ib_config.coalescing_timeo, 0); +} + +/* RxF */ +void +bna_rxf_adv_init(struct bna_rxf *rxf, + struct bna_rx *rx, + struct bna_rx_config *q_config) +{ + switch (q_config->rxp_type) { + case BNA_RXP_SINGLE: + /* No-op */ + break; + case BNA_RXP_SLR: + rxf->ctrl_flags |= BNA_RXF_CF_SM_LG_RXQ; + break; + case BNA_RXP_HDS: + rxf->hds_cfg.hdr_type = q_config->hds_config.hdr_type; + rxf->hds_cfg.header_size = + q_config->hds_config.header_size; + rxf->forced_offset = 0; + break; + default: + break; + } + + if (q_config->rss_status == BNA_STATUS_T_ENABLED) { + rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE; + rxf->rss_cfg.hash_type = q_config->rss_config.hash_type; + rxf->rss_cfg.hash_mask = q_config->rss_config.hash_mask; + memcpy(&rxf->rss_cfg.toeplitz_hash_key[0], + &q_config->rss_config.toeplitz_hash_key[0], + sizeof(rxf->rss_cfg.toeplitz_hash_key)); + } +} + +static void +rxf_fltr_mbox_cmd(struct bna_rxf *rxf, u8 cmd, enum bna_status status) +{ + struct bfi_ll_rxf_req req; + + bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0); + + req.rxf_id = rxf->rxf_id; + req.enable = status; + + bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req), + rxf_cb_cam_fltr_mbox_cmd, rxf); + + bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); +} + +int +rxf_process_packet_filter_ucast(struct bna_rxf *rxf) +{ + struct bna_mac *mac = NULL; + struct list_head *qe; + + /* Add additional MAC entries */ + if (!list_empty(&rxf->ucast_pending_add_q)) { + bfa_q_deq(&rxf->ucast_pending_add_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_ADD_REQ, mac); + list_add_tail(&mac->qe, &rxf->ucast_active_q); + return 1; + } + + /* Delete MAC addresses previousely added */ + if (!list_empty(&rxf->ucast_pending_del_q)) { + bfa_q_deq(&rxf->ucast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); + return 1; + } + + return 0; +} + +int +rxf_process_packet_filter_promisc(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* Enable/disable promiscuous mode */ + if (is_promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move promisc configuration from pending -> active */ + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active |= BNA_RXMODE_PROMISC; + + /* Disable VLAN filter to allow all VLANs */ + __rxf_vlan_filter_set(rxf, BNA_STATUS_T_DISABLED); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, + BNA_STATUS_T_ENABLED); + return 1; + } else if (is_promisc_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move promisc configuration from pending -> active */ + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; + bna->rxf_promisc_id = BFI_MAX_RXF; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + return 0; +} + +int +rxf_process_packet_filter_allmulti(struct bna_rxf *rxf) +{ + /* Enable/disable allmulti mode */ + if (is_allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move allmulti configuration from pending -> active */ + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active |= BNA_RXMODE_ALLMULTI; + + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, + BNA_STATUS_T_ENABLED); + return 1; + } else if (is_allmulti_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move allmulti configuration from pending -> active */ + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; + + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + return 0; +} + +int +rxf_clear_packet_filter_ucast(struct bna_rxf *rxf) +{ + struct bna_mac *mac = NULL; + struct list_head *qe; + + /* 1. delete pending ucast entries */ + if (!list_empty(&rxf->ucast_pending_del_q)) { + bfa_q_deq(&rxf->ucast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); + return 1; + } + + /* 2. clear active ucast entries; move them to pending_add_q */ + if (!list_empty(&rxf->ucast_active_q)) { + bfa_q_deq(&rxf->ucast_active_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac); + list_add_tail(&mac->qe, &rxf->ucast_pending_add_q); + return 1; + } + + return 0; +} + +int +rxf_clear_packet_filter_promisc(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* 6. Execute pending promisc mode disable command */ + if (is_promisc_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move promisc configuration from pending -> active */ + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; + bna->rxf_promisc_id = BFI_MAX_RXF; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + /* 7. Clear active promisc mode; move it to pending enable */ + if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { + /* move promisc configuration from active -> pending */ + promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + return 0; +} + +int +rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf) +{ + /* 10. Execute pending allmulti mode disable command */ + if (is_allmulti_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move allmulti configuration from pending -> active */ + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + /* 11. Clear active allmulti mode; move it to pending enable */ + if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { + /* move allmulti configuration from active -> pending */ + allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + return 0; +} + +void +rxf_reset_packet_filter_ucast(struct bna_rxf *rxf) +{ + struct list_head *qe; + struct bna_mac *mac; + + /* 1. Move active ucast entries to pending_add_q */ + while (!list_empty(&rxf->ucast_active_q)) { + bfa_q_deq(&rxf->ucast_active_q, &qe); + bfa_q_qe_init(qe); + list_add_tail(qe, &rxf->ucast_pending_add_q); + } + + /* 2. Throw away delete pending ucast entries */ + while (!list_empty(&rxf->ucast_pending_del_q)) { + bfa_q_deq(&rxf->ucast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); + } +} + +void +rxf_reset_packet_filter_promisc(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* 6. Clear pending promisc mode disable */ + if (is_promisc_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; + bna->rxf_promisc_id = BFI_MAX_RXF; + } + + /* 7. Move promisc mode config from active -> pending */ + if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { + promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; + } + +} + +void +rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf) +{ + /* 10. Clear pending allmulti mode disable */ + if (is_allmulti_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; + } + + /* 11. Move allmulti mode config from active -> pending */ + if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { + allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; + } +} + +/** + * Should only be called by bna_rxf_mode_set. + * Helps deciding if h/w configuration is needed or not. + * Returns: + * 0 = no h/w change + * 1 = need h/w change + */ +static int +rxf_promisc_enable(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + int ret = 0; + + /* There can not be any pending disable command */ + + /* Do nothing if pending enable or already enabled */ + if (is_promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask) || + (rxf->rxmode_active & BNA_RXMODE_PROMISC)) { + /* Schedule enable */ + } else { + /* Promisc mode should not be active in the system */ + promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + bna->rxf_promisc_id = rxf->rxf_id; + ret = 1; + } + + return ret; +} + +/** + * Should only be called by bna_rxf_mode_set. + * Helps deciding if h/w configuration is needed or not. + * Returns: + * 0 = no h/w change + * 1 = need h/w change + */ +static int +rxf_promisc_disable(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + int ret = 0; + + /* There can not be any pending disable */ + + /* Turn off pending enable command , if any */ + if (is_promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* Promisc mode should not be active */ + /* system promisc state should be pending */ + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + /* Remove the promisc state from the system */ + bna->rxf_promisc_id = BFI_MAX_RXF; + + /* Schedule disable */ + } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { + /* Promisc mode should be active in the system */ + promisc_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + ret = 1; + + /* Do nothing if already disabled */ + } else { + } + + return ret; +} + +/** + * Should only be called by bna_rxf_mode_set. + * Helps deciding if h/w configuration is needed or not. + * Returns: + * 0 = no h/w change + * 1 = need h/w change + */ +static int +rxf_allmulti_enable(struct bna_rxf *rxf) +{ + int ret = 0; + + /* There can not be any pending disable command */ + + /* Do nothing if pending enable or already enabled */ + if (is_allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask) || + (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) { + /* Schedule enable */ + } else { + allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + ret = 1; + } + + return ret; +} + +/** + * Should only be called by bna_rxf_mode_set. + * Helps deciding if h/w configuration is needed or not. + * Returns: + * 0 = no h/w change + * 1 = need h/w change + */ +static int +rxf_allmulti_disable(struct bna_rxf *rxf) +{ + int ret = 0; + + /* There can not be any pending disable */ + + /* Turn off pending enable command , if any */ + if (is_allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* Allmulti mode should not be active */ + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + + /* Schedule disable */ + } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { + allmulti_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + ret = 1; + } + + return ret; +} + +/* RxF <- bnad */ +enum bna_cb_status +bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode, + enum bna_rxmode bitmask, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + int need_hw_config = 0; + + /* Process the commands */ + + if (is_promisc_enable(new_mode, bitmask)) { + /* If promisc mode is already enabled elsewhere in the system */ + if ((rx->bna->rxf_promisc_id != BFI_MAX_RXF) && + (rx->bna->rxf_promisc_id != rxf->rxf_id)) + goto err_return; + if (rxf_promisc_enable(rxf)) + need_hw_config = 1; + } else if (is_promisc_disable(new_mode, bitmask)) { + if (rxf_promisc_disable(rxf)) + need_hw_config = 1; + } + + if (is_allmulti_enable(new_mode, bitmask)) { + if (rxf_allmulti_enable(rxf)) + need_hw_config = 1; + } else if (is_allmulti_disable(new_mode, bitmask)) { + if (rxf_allmulti_disable(rxf)) + need_hw_config = 1; + } + + /* Trigger h/w if needed */ + + if (need_hw_config) { + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } else if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + + return BNA_CB_SUCCESS; + +err_return: + return BNA_CB_FAIL; +} + +void +/* RxF <- bnad */ +bna_rx_vlanfilter_enable(struct bna_rx *rx) +{ + struct bna_rxf *rxf = &rx->rxf; + + if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) { + rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; + rxf->vlan_filter_status = BNA_STATUS_T_ENABLED; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } +} + +/* Rx */ + +/* Rx <- bnad */ +void +bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo) +{ + struct bna_rxp *rxp; + struct list_head *qe; + + list_for_each(qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe; + rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo; + bna_ib_coalescing_timeo_set(rxp->cq.ib, coalescing_timeo); + } +} + +/* Rx <- bnad */ +void +bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]) +{ + int i, j; + + for (i = 0; i < BNA_LOAD_T_MAX; i++) + for (j = 0; j < BNA_BIAS_T_MAX; j++) + bna->rx_mod.dim_vector[i][j] = vector[i][j]; +} + +/* Rx <- bnad */ +void +bna_rx_dim_update(struct bna_ccb *ccb) +{ + struct bna *bna = ccb->cq->rx->bna; + u32 load, bias; + u32 pkt_rt, small_rt, large_rt; + u8 coalescing_timeo; + + if ((ccb->pkt_rate.small_pkt_cnt == 0) && + (ccb->pkt_rate.large_pkt_cnt == 0)) + return; + + /* Arrive at preconfigured coalescing timeo value based on pkt rate */ + + small_rt = ccb->pkt_rate.small_pkt_cnt; + large_rt = ccb->pkt_rate.large_pkt_cnt; + + pkt_rt = small_rt + large_rt; + + if (pkt_rt < BNA_PKT_RATE_10K) + load = BNA_LOAD_T_LOW_4; + else if (pkt_rt < BNA_PKT_RATE_20K) + load = BNA_LOAD_T_LOW_3; + else if (pkt_rt < BNA_PKT_RATE_30K) + load = BNA_LOAD_T_LOW_2; + else if (pkt_rt < BNA_PKT_RATE_40K) + load = BNA_LOAD_T_LOW_1; + else if (pkt_rt < BNA_PKT_RATE_50K) + load = BNA_LOAD_T_HIGH_1; + else if (pkt_rt < BNA_PKT_RATE_60K) + load = BNA_LOAD_T_HIGH_2; + else if (pkt_rt < BNA_PKT_RATE_80K) + load = BNA_LOAD_T_HIGH_3; + else + load = BNA_LOAD_T_HIGH_4; + + if (small_rt > (large_rt << 1)) + bias = 0; + else + bias = 1; + + ccb->pkt_rate.small_pkt_cnt = 0; + ccb->pkt_rate.large_pkt_cnt = 0; + + coalescing_timeo = bna->rx_mod.dim_vector[load][bias]; + ccb->rx_coalescing_timeo = coalescing_timeo; + + /* Set it to IB */ + bna_ib_coalescing_timeo_set(ccb->cq->ib, coalescing_timeo); +} + +/* Tx */ +/* TX <- bnad */ +void +bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo) +{ + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_coalescing_timeo_set(txq->ib, coalescing_timeo); + } +} + +/* + * Private data + */ + +struct bna_ritseg_pool_cfg { + u32 pool_size; + u32 pool_entry_size; +}; +init_ritseg_pool(ritseg_pool_cfg); + +/* + * Private functions + */ +static void +bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna, + struct bna_res_info *res_info) +{ + int i; + + ucam_mod->ucmac = (struct bna_mac *) + res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva; + + INIT_LIST_HEAD(&ucam_mod->free_q); + for (i = 0; i < BFI_MAX_UCMAC; i++) { + bfa_q_qe_init(&ucam_mod->ucmac[i].qe); + list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q); + } + + ucam_mod->bna = bna; +} + +static void +bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod) +{ + struct list_head *qe; + int i = 0; + + list_for_each(qe, &ucam_mod->free_q) + i++; + + ucam_mod->bna = NULL; +} + +static void +bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna, + struct bna_res_info *res_info) +{ + int i; + + mcam_mod->mcmac = (struct bna_mac *) + res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva; + + INIT_LIST_HEAD(&mcam_mod->free_q); + for (i = 0; i < BFI_MAX_MCMAC; i++) { + bfa_q_qe_init(&mcam_mod->mcmac[i].qe); + list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q); + } + + mcam_mod->bna = bna; +} + +static void +bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod) +{ + struct list_head *qe; + int i = 0; + + list_for_each(qe, &mcam_mod->free_q) + i++; + + mcam_mod->bna = NULL; +} + +static void +bna_rit_mod_init(struct bna_rit_mod *rit_mod, + struct bna_res_info *res_info) +{ + int i; + int j; + int count; + int offset; + + rit_mod->rit = (struct bna_rit_entry *) + res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mdl[0].kva; + rit_mod->rit_segment = (struct bna_rit_segment *) + res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mdl[0].kva; + + count = 0; + offset = 0; + for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { + INIT_LIST_HEAD(&rit_mod->rit_seg_pool[i]); + for (j = 0; j < ritseg_pool_cfg[i].pool_size; j++) { + bfa_q_qe_init(&rit_mod->rit_segment[count].qe); + rit_mod->rit_segment[count].max_rit_size = + ritseg_pool_cfg[i].pool_entry_size; + rit_mod->rit_segment[count].rit_offset = offset; + rit_mod->rit_segment[count].rit = + &rit_mod->rit[offset]; + list_add_tail(&rit_mod->rit_segment[count].qe, + &rit_mod->rit_seg_pool[i]); + count++; + offset += ritseg_pool_cfg[i].pool_entry_size; + } + } +} + +/* + * Public functions + */ + +/* Called during probe(), before calling bna_init() */ +void +bna_res_req(struct bna_res_info *res_info) +{ + bna_adv_res_req(res_info); + + /* DMA memory for retrieving IOC attributes */ + res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA; + res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len = + ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE); + + /* DMA memory for index segment of an IB */ + res_info[BNA_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mem_type = BNA_MEM_T_DMA; + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.len = + BFI_IBIDX_SIZE * BFI_IBIDX_MAX_SEGSIZE; + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.num = BFI_MAX_IB; + + /* Virtual memory for IB objects - stored by IB module */ + res_info[BNA_RES_MEM_T_IB_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.len = + BFI_MAX_IB * sizeof(struct bna_ib); + + /* Virtual memory for intr objects - stored by IB module */ + res_info[BNA_RES_MEM_T_INTR_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.len = + BFI_MAX_IB * sizeof(struct bna_intr); + + /* Virtual memory for idx_seg objects - stored by IB module */ + res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.len = + BFI_IBIDX_TOTAL_SEGS * sizeof(struct bna_ibidx_seg); + + /* Virtual memory for Tx objects - stored by Tx module */ + res_info[BNA_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.len = + BFI_MAX_TXQ * sizeof(struct bna_tx); + + /* Virtual memory for TxQ - stored by Tx module */ + res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len = + BFI_MAX_TXQ * sizeof(struct bna_txq); + + /* Virtual memory for Rx objects - stored by Rx module */ + res_info[BNA_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.len = + BFI_MAX_RXQ * sizeof(struct bna_rx); + + /* Virtual memory for RxPath - stored by Rx module */ + res_info[BNA_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len = + BFI_MAX_RXQ * sizeof(struct bna_rxp); + + /* Virtual memory for RxQ - stored by Rx module */ + res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len = + BFI_MAX_RXQ * sizeof(struct bna_rxq); + + /* Virtual memory for Unicast MAC address - stored by ucam module */ + res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len = + BFI_MAX_UCMAC * sizeof(struct bna_mac); + + /* Virtual memory for Multicast MAC address - stored by mcam module */ + res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len = + BFI_MAX_MCMAC * sizeof(struct bna_mac); + + /* Virtual memory for RIT entries */ + res_info[BNA_RES_MEM_T_RIT_ENTRY].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.len = + BFI_MAX_RIT_SIZE * sizeof(struct bna_rit_entry); + + /* Virtual memory for RIT segment table */ + res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_type = BNA_RES_T_MEM; + res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mem_type = + BNA_MEM_T_KVA; + res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.num = 1; + res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.len = + BFI_RIT_TOTAL_SEGS * sizeof(struct bna_rit_segment); + + /* Interrupt resource for mailbox interrupt */ + res_info[BNA_RES_INTR_T_MBOX].res_type = BNA_RES_T_INTR; + res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type = + BNA_INTR_T_MSIX; + res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.num = 1; +} + +/* Called during probe() */ +void +bna_init(struct bna *bna, struct bnad *bnad, struct bfa_pcidev *pcidev, + struct bna_res_info *res_info) +{ + bna->bnad = bnad; + bna->pcidev = *pcidev; + + bna->stats.hw_stats = (struct bfi_ll_stats *) + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva; + bna->hw_stats_dma.msb = + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb; + bna->hw_stats_dma.lsb = + res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb; + bna->stats.sw_stats = (struct bna_sw_stats *) + res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mdl[0].kva; + + bna->regs.page_addr = bna->pcidev.pci_bar_kva + + reg_offset[bna->pcidev.pci_func].page_addr; + bna->regs.fn_int_status = bna->pcidev.pci_bar_kva + + reg_offset[bna->pcidev.pci_func].fn_int_status; + bna->regs.fn_int_mask = bna->pcidev.pci_bar_kva + + reg_offset[bna->pcidev.pci_func].fn_int_mask; + + if (bna->pcidev.pci_func < 3) + bna->port_num = 0; + else + bna->port_num = 1; + + /* Also initializes diag, cee, sfp, phy_port and mbox_mod */ + bna_device_init(&bna->device, bna, res_info); + + bna_port_init(&bna->port, bna); + + bna_tx_mod_init(&bna->tx_mod, bna, res_info); + + bna_rx_mod_init(&bna->rx_mod, bna, res_info); + + bna_ib_mod_init(&bna->ib_mod, bna, res_info); + + bna_rit_mod_init(&bna->rit_mod, res_info); + + bna_ucam_mod_init(&bna->ucam_mod, bna, res_info); + + bna_mcam_mod_init(&bna->mcam_mod, bna, res_info); + + bna->rxf_promisc_id = BFI_MAX_RXF; + + /* Mbox q element for posting stat request to f/w */ + bfa_q_qe_init(&bna->mbox_qe.qe); +} + +void +bna_uninit(struct bna *bna) +{ + bna_mcam_mod_uninit(&bna->mcam_mod); + + bna_ucam_mod_uninit(&bna->ucam_mod); + + bna_ib_mod_uninit(&bna->ib_mod); + + bna_rx_mod_uninit(&bna->rx_mod); + + bna_tx_mod_uninit(&bna->tx_mod); + + bna_port_uninit(&bna->port); + + bna_device_uninit(&bna->device); + + bna->bnad = NULL; +} + +struct bna_mac * +bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod) +{ + struct list_head *qe; + + if (list_empty(&ucam_mod->free_q)) + return NULL; + + bfa_q_deq(&ucam_mod->free_q, &qe); + + return (struct bna_mac *)qe; +} + +void +bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, struct bna_mac *mac) +{ + list_add_tail(&mac->qe, &ucam_mod->free_q); +} + +struct bna_mac * +bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod) +{ + struct list_head *qe; + + if (list_empty(&mcam_mod->free_q)) + return NULL; + + bfa_q_deq(&mcam_mod->free_q, &qe); + + return (struct bna_mac *)qe; +} + +void +bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, struct bna_mac *mac) +{ + list_add_tail(&mac->qe, &mcam_mod->free_q); +} + +/** + * Note: This should be called in the same locking context as the call to + * bna_rit_mod_seg_get() + */ +int +bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size) +{ + int i; + + /* Select the pool for seg_size */ + for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { + if (seg_size <= ritseg_pool_cfg[i].pool_entry_size) + break; + } + + if (i == BFI_RIT_SEG_TOTAL_POOLS) + return 0; + + if (list_empty(&rit_mod->rit_seg_pool[i])) + return 0; + + return 1; +} + +struct bna_rit_segment * +bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size) +{ + struct bna_rit_segment *seg; + struct list_head *qe; + int i; + + /* Select the pool for seg_size */ + for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { + if (seg_size <= ritseg_pool_cfg[i].pool_entry_size) + break; + } + + if (i == BFI_RIT_SEG_TOTAL_POOLS) + return NULL; + + if (list_empty(&rit_mod->rit_seg_pool[i])) + return NULL; + + bfa_q_deq(&rit_mod->rit_seg_pool[i], &qe); + seg = (struct bna_rit_segment *)qe; + bfa_q_qe_init(&seg->qe); + seg->rit_size = seg_size; + + return seg; +} + +void +bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod, + struct bna_rit_segment *seg) +{ + int i; + + /* Select the pool for seg->max_rit_size */ + for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) { + if (seg->max_rit_size == ritseg_pool_cfg[i].pool_entry_size) + break; + } + + seg->rit_size = 0; + list_add_tail(&seg->qe, &rit_mod->rit_seg_pool[i]); +} diff --git a/drivers/net/ethernet/brocade/bna/bna_hw.h b/drivers/net/ethernet/brocade/bna/bna_hw.h new file mode 100644 index 000000000000..16a5eed4a03b --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bna_hw.h @@ -0,0 +1,1492 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +/** + * File for interrupt macros and functions + */ + +#ifndef __BNA_HW_H__ +#define __BNA_HW_H__ + +#include "bfi_reg.h" + +/** + * + * SW imposed limits + * + */ + +#ifndef BNA_BIOS_BUILD + +#define BFI_MAX_TXQ 64 +#define BFI_MAX_RXQ 64 +#define BFI_MAX_RXF 64 +#define BFI_MAX_IB 128 +#define BFI_MAX_RIT_SIZE 256 +#define BFI_RSS_RIT_SIZE 64 +#define BFI_NONRSS_RIT_SIZE 1 +#define BFI_MAX_UCMAC 256 +#define BFI_MAX_MCMAC 512 +#define BFI_IBIDX_SIZE 4 +#define BFI_MAX_VLAN 4095 + +/** + * There are 2 free IB index pools: + * pool1: 120 segments of 1 index each + * pool8: 1 segment of 8 indexes + */ +#define BFI_IBIDX_POOL1_SIZE 116 +#define BFI_IBIDX_POOL1_ENTRY_SIZE 1 +#define BFI_IBIDX_POOL2_SIZE 2 +#define BFI_IBIDX_POOL2_ENTRY_SIZE 2 +#define BFI_IBIDX_POOL8_SIZE 1 +#define BFI_IBIDX_POOL8_ENTRY_SIZE 8 +#define BFI_IBIDX_TOTAL_POOLS 3 +#define BFI_IBIDX_TOTAL_SEGS 119 /* (POOL1 + POOL2 + POOL8)_SIZE */ +#define BFI_IBIDX_MAX_SEGSIZE 8 +#define init_ibidx_pool(name) \ +static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \ +{ \ + { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE }, \ + { BFI_IBIDX_POOL2_SIZE, BFI_IBIDX_POOL2_ENTRY_SIZE }, \ + { BFI_IBIDX_POOL8_SIZE, BFI_IBIDX_POOL8_ENTRY_SIZE } \ +} + +/** + * There are 2 free RIT segment pools: + * Pool1: 192 segments of 1 RIT entry each + * Pool2: 1 segment of 64 RIT entry + */ +#define BFI_RIT_SEG_POOL1_SIZE 192 +#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1 +#define BFI_RIT_SEG_POOLRSS_SIZE 1 +#define BFI_RIT_SEG_POOLRSS_ENTRY_SIZE 64 +#define BFI_RIT_SEG_TOTAL_POOLS 2 +#define BFI_RIT_TOTAL_SEGS 193 /* POOL1_SIZE + POOLRSS_SIZE */ +#define init_ritseg_pool(name) \ +static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \ +{ \ + { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE }, \ + { BFI_RIT_SEG_POOLRSS_SIZE, BFI_RIT_SEG_POOLRSS_ENTRY_SIZE } \ +} + +#else /* BNA_BIOS_BUILD */ + +#define BFI_MAX_TXQ 1 +#define BFI_MAX_RXQ 1 +#define BFI_MAX_RXF 1 +#define BFI_MAX_IB 2 +#define BFI_MAX_RIT_SIZE 2 +#define BFI_RSS_RIT_SIZE 64 +#define BFI_NONRSS_RIT_SIZE 1 +#define BFI_MAX_UCMAC 1 +#define BFI_MAX_MCMAC 8 +#define BFI_IBIDX_SIZE 4 +#define BFI_MAX_VLAN 4095 +/* There is one free pool: 2 segments of 1 index each */ +#define BFI_IBIDX_POOL1_SIZE 2 +#define BFI_IBIDX_POOL1_ENTRY_SIZE 1 +#define BFI_IBIDX_TOTAL_POOLS 1 +#define BFI_IBIDX_TOTAL_SEGS 2 /* POOL1_SIZE */ +#define BFI_IBIDX_MAX_SEGSIZE 1 +#define init_ibidx_pool(name) \ +static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \ +{ \ + { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE } \ +} + +#define BFI_RIT_SEG_POOL1_SIZE 1 +#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1 +#define BFI_RIT_SEG_TOTAL_POOLS 1 +#define BFI_RIT_TOTAL_SEGS 1 /* POOL1_SIZE */ +#define init_ritseg_pool(name) \ +static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \ +{ \ + { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE } \ +} + +#endif /* BNA_BIOS_BUILD */ + +#define BFI_RSS_HASH_KEY_LEN 10 + +#define BFI_COALESCING_TIMER_UNIT 5 /* 5us */ +#define BFI_MAX_COALESCING_TIMEO 0xFF /* in 5us units */ +#define BFI_MAX_INTERPKT_COUNT 0xFF +#define BFI_MAX_INTERPKT_TIMEO 0xF /* in 0.5us units */ +#define BFI_TX_COALESCING_TIMEO 20 /* 20 * 5 = 100us */ +#define BFI_TX_INTERPKT_COUNT 32 +#define BFI_RX_COALESCING_TIMEO 12 /* 12 * 5 = 60us */ +#define BFI_RX_INTERPKT_COUNT 6 /* Pkt Cnt = 6 */ +#define BFI_RX_INTERPKT_TIMEO 3 /* 3 * 0.5 = 1.5us */ + +#define BFI_TXQ_WI_SIZE 64 /* bytes */ +#define BFI_RXQ_WI_SIZE 8 /* bytes */ +#define BFI_CQ_WI_SIZE 16 /* bytes */ +#define BFI_TX_MAX_WRR_QUOTA 0xFFF + +#define BFI_TX_MAX_VECTORS_PER_WI 4 +#define BFI_TX_MAX_VECTORS_PER_PKT 0xFF +#define BFI_TX_MAX_DATA_PER_VECTOR 0xFFFF +#define BFI_TX_MAX_DATA_PER_PKT 0xFFFFFF + +/* Small Q buffer size */ +#define BFI_SMALL_RXBUF_SIZE 128 + +/* Defined separately since BFA_FLASH_DMA_BUF_SZ is in bfa_flash.c */ +#define BFI_FLASH_DMA_BUF_SZ 0x010000 /* 64K DMA */ +#define BFI_HW_STATS_SIZE 0x4000 /* 16K DMA */ + +/** + * + * HW register offsets, macros + * + */ + +/* DMA Block Register Host Window Start Address */ +#define DMA_BLK_REG_ADDR 0x00013000 + +/* DMA Block Internal Registers */ +#define DMA_CTRL_REG0 (DMA_BLK_REG_ADDR + 0x000) +#define DMA_CTRL_REG1 (DMA_BLK_REG_ADDR + 0x004) +#define DMA_ERR_INT_STATUS (DMA_BLK_REG_ADDR + 0x008) +#define DMA_ERR_INT_ENABLE (DMA_BLK_REG_ADDR + 0x00c) +#define DMA_ERR_INT_STATUS_SET (DMA_BLK_REG_ADDR + 0x010) + +/* APP Block Register Address Offset from BAR0 */ +#define APP_BLK_REG_ADDR 0x00014000 + +/* Host Function Interrupt Mask Registers */ +#define HOSTFN0_INT_MASK (APP_BLK_REG_ADDR + 0x004) +#define HOSTFN1_INT_MASK (APP_BLK_REG_ADDR + 0x104) +#define HOSTFN2_INT_MASK (APP_BLK_REG_ADDR + 0x304) +#define HOSTFN3_INT_MASK (APP_BLK_REG_ADDR + 0x404) + +/** + * Host Function PCIe Error Registers + * Duplicates "Correctable" & "Uncorrectable" + * registers in PCIe Config space. + */ +#define FN0_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x014) +#define FN1_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x114) +#define FN2_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x314) +#define FN3_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x414) + +/* Host Function Error Type Status Registers */ +#define FN0_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x018) +#define FN1_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x118) +#define FN2_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x318) +#define FN3_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x418) + +/* Host Function Error Type Mask Registers */ +#define FN0_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x01c) +#define FN1_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x11c) +#define FN2_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x31c) +#define FN3_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x41c) + +/* Catapult Host Semaphore Status Registers (App block) */ +#define HOST_SEM_STS0_REG (APP_BLK_REG_ADDR + 0x630) +#define HOST_SEM_STS1_REG (APP_BLK_REG_ADDR + 0x634) +#define HOST_SEM_STS2_REG (APP_BLK_REG_ADDR + 0x638) +#define HOST_SEM_STS3_REG (APP_BLK_REG_ADDR + 0x63c) +#define HOST_SEM_STS4_REG (APP_BLK_REG_ADDR + 0x640) +#define HOST_SEM_STS5_REG (APP_BLK_REG_ADDR + 0x644) +#define HOST_SEM_STS6_REG (APP_BLK_REG_ADDR + 0x648) +#define HOST_SEM_STS7_REG (APP_BLK_REG_ADDR + 0x64c) + +/* PCIe Misc Register */ +#define PCIE_MISC_REG (APP_BLK_REG_ADDR + 0x200) + +/* Temp Sensor Control Registers */ +#define TEMPSENSE_CNTL_REG (APP_BLK_REG_ADDR + 0x250) +#define TEMPSENSE_STAT_REG (APP_BLK_REG_ADDR + 0x254) + +/* APP Block local error registers */ +#define APP_LOCAL_ERR_STAT (APP_BLK_REG_ADDR + 0x258) +#define APP_LOCAL_ERR_MSK (APP_BLK_REG_ADDR + 0x25c) + +/* PCIe Link Error registers */ +#define PCIE_LNK_ERR_STAT (APP_BLK_REG_ADDR + 0x260) +#define PCIE_LNK_ERR_MSK (APP_BLK_REG_ADDR + 0x264) + +/** + * FCoE/FIP Ethertype Register + * 31:16 -- Chip wide value for FIP type + * 15:0 -- Chip wide value for FCoE type + */ +#define FCOE_FIP_ETH_TYPE (APP_BLK_REG_ADDR + 0x280) + +/** + * Reserved Ethertype Register + * 31:16 -- Reserved + * 15:0 -- Other ethertype + */ +#define RESV_ETH_TYPE (APP_BLK_REG_ADDR + 0x284) + +/** + * Host Command Status Registers + * Each set consists of 3 registers : + * clear, set, cmd + * 16 such register sets in all + * See catapult_spec.pdf for detailed functionality + * Put each type in a single macro accessed by _num ? + */ +#define HOST_CMDSTS0_CLR_REG (APP_BLK_REG_ADDR + 0x500) +#define HOST_CMDSTS0_SET_REG (APP_BLK_REG_ADDR + 0x504) +#define HOST_CMDSTS0_REG (APP_BLK_REG_ADDR + 0x508) +#define HOST_CMDSTS1_CLR_REG (APP_BLK_REG_ADDR + 0x510) +#define HOST_CMDSTS1_SET_REG (APP_BLK_REG_ADDR + 0x514) +#define HOST_CMDSTS1_REG (APP_BLK_REG_ADDR + 0x518) +#define HOST_CMDSTS2_CLR_REG (APP_BLK_REG_ADDR + 0x520) +#define HOST_CMDSTS2_SET_REG (APP_BLK_REG_ADDR + 0x524) +#define HOST_CMDSTS2_REG (APP_BLK_REG_ADDR + 0x528) +#define HOST_CMDSTS3_CLR_REG (APP_BLK_REG_ADDR + 0x530) +#define HOST_CMDSTS3_SET_REG (APP_BLK_REG_ADDR + 0x534) +#define HOST_CMDSTS3_REG (APP_BLK_REG_ADDR + 0x538) +#define HOST_CMDSTS4_CLR_REG (APP_BLK_REG_ADDR + 0x540) +#define HOST_CMDSTS4_SET_REG (APP_BLK_REG_ADDR + 0x544) +#define HOST_CMDSTS4_REG (APP_BLK_REG_ADDR + 0x548) +#define HOST_CMDSTS5_CLR_REG (APP_BLK_REG_ADDR + 0x550) +#define HOST_CMDSTS5_SET_REG (APP_BLK_REG_ADDR + 0x554) +#define HOST_CMDSTS5_REG (APP_BLK_REG_ADDR + 0x558) +#define HOST_CMDSTS6_CLR_REG (APP_BLK_REG_ADDR + 0x560) +#define HOST_CMDSTS6_SET_REG (APP_BLK_REG_ADDR + 0x564) +#define HOST_CMDSTS6_REG (APP_BLK_REG_ADDR + 0x568) +#define HOST_CMDSTS7_CLR_REG (APP_BLK_REG_ADDR + 0x570) +#define HOST_CMDSTS7_SET_REG (APP_BLK_REG_ADDR + 0x574) +#define HOST_CMDSTS7_REG (APP_BLK_REG_ADDR + 0x578) +#define HOST_CMDSTS8_CLR_REG (APP_BLK_REG_ADDR + 0x580) +#define HOST_CMDSTS8_SET_REG (APP_BLK_REG_ADDR + 0x584) +#define HOST_CMDSTS8_REG (APP_BLK_REG_ADDR + 0x588) +#define HOST_CMDSTS9_CLR_REG (APP_BLK_REG_ADDR + 0x590) +#define HOST_CMDSTS9_SET_REG (APP_BLK_REG_ADDR + 0x594) +#define HOST_CMDSTS9_REG (APP_BLK_REG_ADDR + 0x598) +#define HOST_CMDSTS10_CLR_REG (APP_BLK_REG_ADDR + 0x5A0) +#define HOST_CMDSTS10_SET_REG (APP_BLK_REG_ADDR + 0x5A4) +#define HOST_CMDSTS10_REG (APP_BLK_REG_ADDR + 0x5A8) +#define HOST_CMDSTS11_CLR_REG (APP_BLK_REG_ADDR + 0x5B0) +#define HOST_CMDSTS11_SET_REG (APP_BLK_REG_ADDR + 0x5B4) +#define HOST_CMDSTS11_REG (APP_BLK_REG_ADDR + 0x5B8) +#define HOST_CMDSTS12_CLR_REG (APP_BLK_REG_ADDR + 0x5C0) +#define HOST_CMDSTS12_SET_REG (APP_BLK_REG_ADDR + 0x5C4) +#define HOST_CMDSTS12_REG (APP_BLK_REG_ADDR + 0x5C8) +#define HOST_CMDSTS13_CLR_REG (APP_BLK_REG_ADDR + 0x5D0) +#define HOST_CMDSTS13_SET_REG (APP_BLK_REG_ADDR + 0x5D4) +#define HOST_CMDSTS13_REG (APP_BLK_REG_ADDR + 0x5D8) +#define HOST_CMDSTS14_CLR_REG (APP_BLK_REG_ADDR + 0x5E0) +#define HOST_CMDSTS14_SET_REG (APP_BLK_REG_ADDR + 0x5E4) +#define HOST_CMDSTS14_REG (APP_BLK_REG_ADDR + 0x5E8) +#define HOST_CMDSTS15_CLR_REG (APP_BLK_REG_ADDR + 0x5F0) +#define HOST_CMDSTS15_SET_REG (APP_BLK_REG_ADDR + 0x5F4) +#define HOST_CMDSTS15_REG (APP_BLK_REG_ADDR + 0x5F8) + +/** + * LPU0 Block Register Address Offset from BAR0 + * Range 0x18000 - 0x18033 + */ +#define LPU0_BLK_REG_ADDR 0x00018000 + +/** + * LPU0 Registers + * Should they be directly used from host, + * except for diagnostics ? + * CTL_REG : Control register + * CMD_REG : Triggers exec. of cmd. in + * Mailbox memory + */ +#define LPU0_MBOX_CTL_REG (LPU0_BLK_REG_ADDR + 0x000) +#define LPU0_MBOX_CMD_REG (LPU0_BLK_REG_ADDR + 0x004) +#define LPU0_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x008) +#define LPU1_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x00c) +#define LPU0_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x010) +#define LPU1_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x014) +#define LPU0_ERR_STATUS_REG (LPU0_BLK_REG_ADDR + 0x018) +#define LPU0_ERR_SET_REG (LPU0_BLK_REG_ADDR + 0x020) + +/** + * LPU1 Block Register Address Offset from BAR0 + * Range 0x18400 - 0x18433 + */ +#define LPU1_BLK_REG_ADDR 0x00018400 + +/** + * LPU1 Registers + * Same as LPU0 registers above + */ +#define LPU1_MBOX_CTL_REG (LPU1_BLK_REG_ADDR + 0x000) +#define LPU1_MBOX_CMD_REG (LPU1_BLK_REG_ADDR + 0x004) +#define LPU0_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x008) +#define LPU1_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x00c) +#define LPU0_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x010) +#define LPU1_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x014) +#define LPU1_ERR_STATUS_REG (LPU1_BLK_REG_ADDR + 0x018) +#define LPU1_ERR_SET_REG (LPU1_BLK_REG_ADDR + 0x020) + +/** + * PSS Block Register Address Offset from BAR0 + * Range 0x18800 - 0x188DB + */ +#define PSS_BLK_REG_ADDR 0x00018800 + +/** + * PSS Registers + * For details, see catapult_spec.pdf + * ERR_STATUS_REG : Indicates error in PSS module + * RAM_ERR_STATUS_REG : Indicates RAM module that detected error + */ +#define ERR_STATUS_SET (PSS_BLK_REG_ADDR + 0x018) +#define PSS_RAM_ERR_STATUS_REG (PSS_BLK_REG_ADDR + 0x01C) + +/** + * PSS Semaphore Lock Registers, total 16 + * First read when unlocked returns 0, + * and is set to 1, atomically. + * Subsequent reads returns 1. + * To clear set the value to 0. + * Range : 0x20 to 0x5c + */ +#define PSS_SEM_LOCK_REG(_num) \ + (PSS_BLK_REG_ADDR + 0x020 + ((_num) << 2)) + +/** + * PSS Semaphore Status Registers, + * corresponding to the lock registers above + */ +#define PSS_SEM_STATUS_REG(_num) \ + (PSS_BLK_REG_ADDR + 0x060 + ((_num) << 2)) + +/** + * Catapult CPQ Registers + * Defines for Mailbox Registers + * Used to send mailbox commands to firmware from + * host. The data part is written to the MBox + * memory, registers are used to indicate that + * a commnad is resident in memory. + * + * Note : LPU0<->LPU1 mailboxes are not listed here + */ +#define CPQ_BLK_REG_ADDR 0x00019000 + +#define HOSTFN0_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x130) +#define HOSTFN0_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x134) +#define LPU0_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x138) +#define LPU1_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x13C) + +#define HOSTFN1_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x140) +#define HOSTFN1_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x144) +#define LPU0_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x148) +#define LPU1_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x14C) + +#define HOSTFN2_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x170) +#define HOSTFN2_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x174) +#define LPU0_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x178) +#define LPU1_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x17C) + +#define HOSTFN3_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x180) +#define HOSTFN3_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x184) +#define LPU0_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x188) +#define LPU1_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x18C) + +/* Host Function Force Parity Error Registers */ +#define HOSTFN0_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x120) +#define HOSTFN1_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x124) +#define HOSTFN2_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x128) +#define HOSTFN3_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x12C) + +/* LL Port[0|1] Halt Mask Registers */ +#define LL_HALT_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1A0) +#define LL_HALT_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1B0) + +/* LL Port[0|1] Error Mask Registers */ +#define LL_ERR_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1D0) +#define LL_ERR_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1D4) + +/* EMC FLI (Flash Controller) Block Register Address Offset from BAR0 */ +#define FLI_BLK_REG_ADDR 0x0001D000 + +/* EMC FLI Registers */ +#define FLI_CMD_REG (FLI_BLK_REG_ADDR + 0x000) +#define FLI_ADDR_REG (FLI_BLK_REG_ADDR + 0x004) +#define FLI_CTL_REG (FLI_BLK_REG_ADDR + 0x008) +#define FLI_WRDATA_REG (FLI_BLK_REG_ADDR + 0x00C) +#define FLI_RDDATA_REG (FLI_BLK_REG_ADDR + 0x010) +#define FLI_DEV_STATUS_REG (FLI_BLK_REG_ADDR + 0x014) +#define FLI_SIG_WD_REG (FLI_BLK_REG_ADDR + 0x018) + +/** + * RO register + * 31:16 -- Vendor Id + * 15:0 -- Device Id + */ +#define FLI_DEV_VENDOR_REG (FLI_BLK_REG_ADDR + 0x01C) +#define FLI_ERR_STATUS_REG (FLI_BLK_REG_ADDR + 0x020) + +/** + * RAD (RxAdm) Block Register Address Offset from BAR0 + * RAD0 Range : 0x20000 - 0x203FF + * RAD1 Range : 0x20400 - 0x207FF + */ +#define RAD0_BLK_REG_ADDR 0x00020000 +#define RAD1_BLK_REG_ADDR 0x00020400 + +/* RAD0 Registers */ +#define RAD0_CTL_REG (RAD0_BLK_REG_ADDR + 0x000) +#define RAD0_PE_PARM_REG (RAD0_BLK_REG_ADDR + 0x004) +#define RAD0_BCN_REG (RAD0_BLK_REG_ADDR + 0x008) + +/* Default function ID register */ +#define RAD0_DEFAULT_REG (RAD0_BLK_REG_ADDR + 0x00C) + +/* Default promiscuous ID register */ +#define RAD0_PROMISC_REG (RAD0_BLK_REG_ADDR + 0x010) + +#define RAD0_BCNQ_REG (RAD0_BLK_REG_ADDR + 0x014) + +/* + * This register selects 1 of 8 PM Q's using + * VLAN pri, for non-BCN packets without a VLAN tag + */ +#define RAD0_DEFAULTQ_REG (RAD0_BLK_REG_ADDR + 0x018) + +#define RAD0_ERR_STS (RAD0_BLK_REG_ADDR + 0x01C) +#define RAD0_SET_ERR_STS (RAD0_BLK_REG_ADDR + 0x020) +#define RAD0_ERR_INT_EN (RAD0_BLK_REG_ADDR + 0x024) +#define RAD0_FIRST_ERR (RAD0_BLK_REG_ADDR + 0x028) +#define RAD0_FORCE_ERR (RAD0_BLK_REG_ADDR + 0x02C) + +#define RAD0_IF_RCVD (RAD0_BLK_REG_ADDR + 0x030) +#define RAD0_IF_RCVD_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x034) +#define RAD0_IF_RCVD_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x038) +#define RAD0_IF_RCVD_VLAN (RAD0_BLK_REG_ADDR + 0x03C) +#define RAD0_IF_RCVD_UCAST (RAD0_BLK_REG_ADDR + 0x040) +#define RAD0_IF_RCVD_UCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x044) +#define RAD0_IF_RCVD_UCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x048) +#define RAD0_IF_RCVD_UCAST_VLAN (RAD0_BLK_REG_ADDR + 0x04C) +#define RAD0_IF_RCVD_MCAST (RAD0_BLK_REG_ADDR + 0x050) +#define RAD0_IF_RCVD_MCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x054) +#define RAD0_IF_RCVD_MCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x058) +#define RAD0_IF_RCVD_MCAST_VLAN (RAD0_BLK_REG_ADDR + 0x05C) +#define RAD0_IF_RCVD_BCAST (RAD0_BLK_REG_ADDR + 0x060) +#define RAD0_IF_RCVD_BCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x064) +#define RAD0_IF_RCVD_BCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x068) +#define RAD0_IF_RCVD_BCAST_VLAN (RAD0_BLK_REG_ADDR + 0x06C) +#define RAD0_DROPPED_FRAMES (RAD0_BLK_REG_ADDR + 0x070) + +#define RAD0_MAC_MAN_1H (RAD0_BLK_REG_ADDR + 0x080) +#define RAD0_MAC_MAN_1L (RAD0_BLK_REG_ADDR + 0x084) +#define RAD0_MAC_MAN_2H (RAD0_BLK_REG_ADDR + 0x088) +#define RAD0_MAC_MAN_2L (RAD0_BLK_REG_ADDR + 0x08C) +#define RAD0_MAC_MAN_3H (RAD0_BLK_REG_ADDR + 0x090) +#define RAD0_MAC_MAN_3L (RAD0_BLK_REG_ADDR + 0x094) +#define RAD0_MAC_MAN_4H (RAD0_BLK_REG_ADDR + 0x098) +#define RAD0_MAC_MAN_4L (RAD0_BLK_REG_ADDR + 0x09C) + +#define RAD0_LAST4_IP (RAD0_BLK_REG_ADDR + 0x100) + +/* RAD1 Registers */ +#define RAD1_CTL_REG (RAD1_BLK_REG_ADDR + 0x000) +#define RAD1_PE_PARM_REG (RAD1_BLK_REG_ADDR + 0x004) +#define RAD1_BCN_REG (RAD1_BLK_REG_ADDR + 0x008) + +/* Default function ID register */ +#define RAD1_DEFAULT_REG (RAD1_BLK_REG_ADDR + 0x00C) + +/* Promiscuous function ID register */ +#define RAD1_PROMISC_REG (RAD1_BLK_REG_ADDR + 0x010) + +#define RAD1_BCNQ_REG (RAD1_BLK_REG_ADDR + 0x014) + +/* + * This register selects 1 of 8 PM Q's using + * VLAN pri, for non-BCN packets without a VLAN tag + */ +#define RAD1_DEFAULTQ_REG (RAD1_BLK_REG_ADDR + 0x018) + +#define RAD1_ERR_STS (RAD1_BLK_REG_ADDR + 0x01C) +#define RAD1_SET_ERR_STS (RAD1_BLK_REG_ADDR + 0x020) +#define RAD1_ERR_INT_EN (RAD1_BLK_REG_ADDR + 0x024) + +/** + * TXA Block Register Address Offset from BAR0 + * TXA0 Range : 0x21000 - 0x213FF + * TXA1 Range : 0x21400 - 0x217FF + */ +#define TXA0_BLK_REG_ADDR 0x00021000 +#define TXA1_BLK_REG_ADDR 0x00021400 + +/* TXA Registers */ +#define TXA0_CTRL_REG (TXA0_BLK_REG_ADDR + 0x000) +#define TXA1_CTRL_REG (TXA1_BLK_REG_ADDR + 0x000) + +/** + * TSO Sequence # Registers (RO) + * Total 8 (for 8 queues) + * Holds the last seq.# for TSO frames + * See catapult_spec.pdf for more details + */ +#define TXA0_TSO_TCP_SEQ_REG(_num) \ + (TXA0_BLK_REG_ADDR + 0x020 + ((_num) << 2)) + +#define TXA1_TSO_TCP_SEQ_REG(_num) \ + (TXA1_BLK_REG_ADDR + 0x020 + ((_num) << 2)) + +/** + * TSO IP ID # Registers (RO) + * Total 8 (for 8 queues) + * Holds the last IP ID for TSO frames + * See catapult_spec.pdf for more details + */ +#define TXA0_TSO_IP_INFO_REG(_num) \ + (TXA0_BLK_REG_ADDR + 0x040 + ((_num) << 2)) + +#define TXA1_TSO_IP_INFO_REG(_num) \ + (TXA1_BLK_REG_ADDR + 0x040 + ((_num) << 2)) + +/** + * RXA Block Register Address Offset from BAR0 + * RXA0 Range : 0x21800 - 0x21BFF + * RXA1 Range : 0x21C00 - 0x21FFF + */ +#define RXA0_BLK_REG_ADDR 0x00021800 +#define RXA1_BLK_REG_ADDR 0x00021C00 + +/* RXA Registers */ +#define RXA0_CTL_REG (RXA0_BLK_REG_ADDR + 0x040) +#define RXA1_CTL_REG (RXA1_BLK_REG_ADDR + 0x040) + +/** + * PPLB Block Register Address Offset from BAR0 + * PPLB0 Range : 0x22000 - 0x223FF + * PPLB1 Range : 0x22400 - 0x227FF + */ +#define PLB0_BLK_REG_ADDR 0x00022000 +#define PLB1_BLK_REG_ADDR 0x00022400 + +/** + * PLB Registers + * Holds RL timer used time stamps in RLT tagged frames + */ +#define PLB0_ECM_TIMER_REG (PLB0_BLK_REG_ADDR + 0x05C) +#define PLB1_ECM_TIMER_REG (PLB1_BLK_REG_ADDR + 0x05C) + +/* Controls the rate-limiter on each of the priority class */ +#define PLB0_RL_CTL (PLB0_BLK_REG_ADDR + 0x060) +#define PLB1_RL_CTL (PLB1_BLK_REG_ADDR + 0x060) + +/** + * Max byte register, total 8, 0-7 + * see catapult_spec.pdf for details + */ +#define PLB0_RL_MAX_BC(_num) \ + (PLB0_BLK_REG_ADDR + 0x064 + ((_num) << 2)) +#define PLB1_RL_MAX_BC(_num) \ + (PLB1_BLK_REG_ADDR + 0x064 + ((_num) << 2)) + +/** + * RL Time Unit Register for priority 0-7 + * 4 bits per priority + * (2^rl_unit)*1us is the actual time period + */ +#define PLB0_RL_TU_PRIO (PLB0_BLK_REG_ADDR + 0x084) +#define PLB1_RL_TU_PRIO (PLB1_BLK_REG_ADDR + 0x084) + +/** + * RL byte count register, + * bytes transmitted in (rl_unit*1)us time period + * 1 per priority, 8 in all, 0-7. + */ +#define PLB0_RL_BYTE_CNT(_num) \ + (PLB0_BLK_REG_ADDR + 0x088 + ((_num) << 2)) +#define PLB1_RL_BYTE_CNT(_num) \ + (PLB1_BLK_REG_ADDR + 0x088 + ((_num) << 2)) + +/** + * RL Min factor register + * 2 bits per priority, + * 4 factors possible: 1, 0.5, 0.25, 0 + * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1 + */ +#define PLB0_RL_MIN_REG (PLB0_BLK_REG_ADDR + 0x0A8) +#define PLB1_RL_MIN_REG (PLB1_BLK_REG_ADDR + 0x0A8) + +/** + * RL Max factor register + * 2 bits per priority, + * 4 factors possible: 1, 0.5, 0.25, 0 + * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1 + */ +#define PLB0_RL_MAX_REG (PLB0_BLK_REG_ADDR + 0x0AC) +#define PLB1_RL_MAX_REG (PLB1_BLK_REG_ADDR + 0x0AC) + +/* MAC SERDES Address Paging register */ +#define PLB0_EMS_ADD_REG (PLB0_BLK_REG_ADDR + 0xD0) +#define PLB1_EMS_ADD_REG (PLB1_BLK_REG_ADDR + 0xD0) + +/* LL EMS Registers */ +#define LL_EMS0_BLK_REG_ADDR 0x00026800 +#define LL_EMS1_BLK_REG_ADDR 0x00026C00 + +/** + * BPC Block Register Address Offset from BAR0 + * BPC0 Range : 0x23000 - 0x233FF + * BPC1 Range : 0x23400 - 0x237FF + */ +#define BPC0_BLK_REG_ADDR 0x00023000 +#define BPC1_BLK_REG_ADDR 0x00023400 + +/** + * PMM Block Register Address Offset from BAR0 + * PMM0 Range : 0x23800 - 0x23BFF + * PMM1 Range : 0x23C00 - 0x23FFF + */ +#define PMM0_BLK_REG_ADDR 0x00023800 +#define PMM1_BLK_REG_ADDR 0x00023C00 + +/** + * HQM Block Register Address Offset from BAR0 + * HQM0 Range : 0x24000 - 0x243FF + * HQM1 Range : 0x24400 - 0x247FF + */ +#define HQM0_BLK_REG_ADDR 0x00024000 +#define HQM1_BLK_REG_ADDR 0x00024400 + +/** + * HQM Control Register + * Controls some aspects of IB + * See catapult_spec.pdf for details + */ +#define HQM0_CTL_REG (HQM0_BLK_REG_ADDR + 0x000) +#define HQM1_CTL_REG (HQM1_BLK_REG_ADDR + 0x000) + +/** + * HQM Stop Q Semaphore Registers. + * Only one Queue resource can be stopped at + * any given time. This register controls access + * to the single stop Q resource. + * See catapult_spec.pdf for details + */ +#define HQM0_RXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x028) +#define HQM0_TXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x02C) +#define HQM1_RXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x028) +#define HQM1_TXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x02C) + +/** + * LUT Block Register Address Offset from BAR0 + * LUT0 Range : 0x25800 - 0x25BFF + * LUT1 Range : 0x25C00 - 0x25FFF + */ +#define LUT0_BLK_REG_ADDR 0x00025800 +#define LUT1_BLK_REG_ADDR 0x00025C00 + +/** + * LUT Registers + * See catapult_spec.pdf for details + */ +#define LUT0_ERR_STS (LUT0_BLK_REG_ADDR + 0x000) +#define LUT1_ERR_STS (LUT1_BLK_REG_ADDR + 0x000) +#define LUT0_SET_ERR_STS (LUT0_BLK_REG_ADDR + 0x004) +#define LUT1_SET_ERR_STS (LUT1_BLK_REG_ADDR + 0x004) + +/** + * TRC (Debug/Trace) Register Offset from BAR0 + * Range : 0x26000 -- 0x263FFF + */ +#define TRC_BLK_REG_ADDR 0x00026000 + +/** + * TRC Registers + * See catapult_spec.pdf for details of each + */ +#define TRC_CTL_REG (TRC_BLK_REG_ADDR + 0x000) +#define TRC_MODS_REG (TRC_BLK_REG_ADDR + 0x004) +#define TRC_TRGC_REG (TRC_BLK_REG_ADDR + 0x008) +#define TRC_CNT1_REG (TRC_BLK_REG_ADDR + 0x010) +#define TRC_CNT2_REG (TRC_BLK_REG_ADDR + 0x014) +#define TRC_NXTS_REG (TRC_BLK_REG_ADDR + 0x018) +#define TRC_DIRR_REG (TRC_BLK_REG_ADDR + 0x01C) + +/** + * TRC Trigger match filters, total 10 + * Determines the trigger condition + */ +#define TRC_TRGM_REG(_num) \ + (TRC_BLK_REG_ADDR + 0x040 + ((_num) << 2)) + +/** + * TRC Next State filters, total 10 + * Determines the next state conditions + */ +#define TRC_NXTM_REG(_num) \ + (TRC_BLK_REG_ADDR + 0x080 + ((_num) << 2)) + +/** + * TRC Store Match filters, total 10 + * Determines the store conditions + */ +#define TRC_STRM_REG(_num) \ + (TRC_BLK_REG_ADDR + 0x0C0 + ((_num) << 2)) + +/* DOORBELLS ACCESS */ + +/** + * Catapult doorbells + * Each doorbell-queue set has + * 1 RxQ, 1 TxQ, 2 IBs in that order + * Size of each entry in 32 bytes, even though only 1 word + * is used. For Non-VM case each doorbell-q set is + * separated by 128 bytes, for VM case it is separated + * by 4K bytes + * Non VM case Range : 0x38000 - 0x39FFF + * VM case Range : 0x100000 - 0x11FFFF + * The range applies to both HQMs + */ +#define HQM_DOORBELL_BLK_BASE_ADDR 0x00038000 +#define HQM_DOORBELL_VM_BLK_BASE_ADDR 0x00100000 + +/* MEMORY ACCESS */ + +/** + * Catapult H/W Block Memory Access Address + * To the host a memory space of 32K (page) is visible + * at a time. The address range is from 0x08000 to 0x0FFFF + */ +#define HW_BLK_HOST_MEM_ADDR 0x08000 + +/** + * Catapult LUT Memory Access Page Numbers + * Range : LUT0 0xa0-0xa1 + * LUT1 0xa2-0xa3 + */ +#define LUT0_MEM_BLK_BASE_PG_NUM 0x000000A0 +#define LUT1_MEM_BLK_BASE_PG_NUM 0x000000A2 + +/** + * Catapult RxFn Database Memory Block Base Offset + * + * The Rx function database exists in LUT block. + * In PCIe space this is accessible as a 256x32 + * bit block. Each entry in this database is 4 + * (4 byte) words. Max. entries is 64. + * Address of an entry corresponding to a function + * = base_addr + (function_no. * 16) + */ +#define RX_FNDB_RAM_BASE_OFFSET 0x0000B400 + +/** + * Catapult TxFn Database Memory Block Base Offset Address + * + * The Tx function database exists in LUT block. + * In PCIe space this is accessible as a 64x32 + * bit block. Each entry in this database is 1 + * (4 byte) word. Max. entries is 64. + * Address of an entry corresponding to a function + * = base_addr + (function_no. * 4) + */ +#define TX_FNDB_RAM_BASE_OFFSET 0x0000B800 + +/** + * Catapult Unicast CAM Base Offset Address + * + * Exists in LUT memory space. + * Shared by both the LL & FCoE driver. + * Size is 256x48 bits; mapped to PCIe space + * 512x32 bit blocks. For each address, bits + * are written in the order : [47:32] and then + * [31:0]. + */ +#define UCAST_CAM_BASE_OFFSET 0x0000A800 + +/** + * Catapult Unicast RAM Base Offset Address + * + * Exists in LUT memory space. + * Shared by both the LL & FCoE driver. + * Size is 256x9 bits. + */ +#define UCAST_RAM_BASE_OFFSET 0x0000B000 + +/** + * Catapult Mulicast CAM Base Offset Address + * + * Exists in LUT memory space. + * Shared by both the LL & FCoE driver. + * Size is 256x48 bits; mapped to PCIe space + * 512x32 bit blocks. For each address, bits + * are written in the order : [47:32] and then + * [31:0]. + */ +#define MCAST_CAM_BASE_OFFSET 0x0000A000 + +/** + * Catapult VLAN RAM Base Offset Address + * + * Exists in LUT memory space. + * Size is 4096x66 bits; mapped to PCIe space as + * 8192x32 bit blocks. + * All the 4K entries are within the address range + * 0x0000 to 0x8000, so in the first LUT page. + */ +#define VLAN_RAM_BASE_OFFSET 0x00000000 + +/** + * Catapult Tx Stats RAM Base Offset Address + * + * Exists in LUT memory space. + * Size is 1024x33 bits; + * Each Tx function has 64 bytes of space + */ +#define TX_STATS_RAM_BASE_OFFSET 0x00009000 + +/** + * Catapult Rx Stats RAM Base Offset Address + * + * Exists in LUT memory space. + * Size is 1024x33 bits; + * Each Rx function has 64 bytes of space + */ +#define RX_STATS_RAM_BASE_OFFSET 0x00008000 + +/* Catapult RXA Memory Access Page Numbers */ +#define RXA0_MEM_BLK_BASE_PG_NUM 0x0000008C +#define RXA1_MEM_BLK_BASE_PG_NUM 0x0000008D + +/** + * Catapult Multicast Vector Table Base Offset Address + * + * Exists in RxA memory space. + * Organized as 512x65 bit block. + * However for each entry 16 bytes allocated (power of 2) + * Total size 512*16 bytes. + * There are two logical divisions, 256 entries each : + * a) Entries 0x00 to 0xff (256) -- Approx. MVT + * Offset 0x000 to 0xFFF + * b) Entries 0x100 to 0x1ff (256) -- Exact MVT + * Offsets 0x1000 to 0x1FFF + */ +#define MCAST_APPROX_MVT_BASE_OFFSET 0x00000000 +#define MCAST_EXACT_MVT_BASE_OFFSET 0x00001000 + +/** + * Catapult RxQ Translate Table (RIT) Base Offset Address + * + * Exists in RxA memory space + * Total no. of entries 64 + * Each entry is 1 (4 byte) word. + * 31:12 -- Reserved + * 11:0 -- Two 6 bit RxQ Ids + */ +#define FUNCTION_TO_RXQ_TRANSLATE 0x00002000 + +/* Catapult RxAdm (RAD) Memory Access Page Numbers */ +#define RAD0_MEM_BLK_BASE_PG_NUM 0x00000086 +#define RAD1_MEM_BLK_BASE_PG_NUM 0x00000087 + +/** + * Catapult RSS Table Base Offset Address + * + * Exists in RAD memory space. + * Each entry is 352 bits, but aligned on + * 64 byte (512 bit) boundary. Accessed + * 4 byte words, the whole entry can be + * broken into 11 word accesses. + */ +#define RSS_TABLE_BASE_OFFSET 0x00000800 + +/** + * Catapult CPQ Block Page Number + * This value is written to the page number registers + * to access the memory associated with the mailboxes. + */ +#define CPQ_BLK_PG_NUM 0x00000005 + +/** + * Clarification : + * LL functions are 2 & 3; can HostFn0/HostFn1 + * <-> LPU0/LPU1 memories be used ? + */ +/** + * Catapult HostFn0/HostFn1 to LPU0/LPU1 Mbox memory + * Per catapult_spec.pdf, the offset of the mbox + * memory is in the register space at an offset of 0x200 + */ +#define CPQ_BLK_REG_MBOX_ADDR (CPQ_BLK_REG_ADDR + 0x200) + +#define HOSTFN_LPU_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x000) + +/* Catapult LPU0/LPU1 to HostFn0/HostFn1 Mbox memory */ +#define LPU_HOSTFN_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x080) + +/** + * Catapult HQM Block Page Number + * This is written to the page number register for + * the appropriate function to access the memory + * associated with HQM + */ +#define HQM0_BLK_PG_NUM 0x00000096 +#define HQM1_BLK_PG_NUM 0x00000097 + +/** + * Note that TxQ and RxQ entries are interlaced + * the HQM memory, i.e RXQ0, TXQ0, RXQ1, TXQ1.. etc. + */ + +#define HQM_RXTX_Q_RAM_BASE_OFFSET 0x00004000 + +/** + * CQ Memory + * Exists in HQM Memory space + * Each entry is 16 (4 byte) words of which + * only 12 words are used for configuration + * Total 64 entries per HQM memory space + */ +#define HQM_CQ_RAM_BASE_OFFSET 0x00006000 + +/** + * Interrupt Block (IB) Memory + * Exists in HQM Memory space + * Each entry is 8 (4 byte) words of which + * only 5 words are used for configuration + * Total 128 entries per HQM memory space + */ +#define HQM_IB_RAM_BASE_OFFSET 0x00001000 + +/** + * Index Table (IT) Memory + * Exists in HQM Memory space + * Each entry is 1 (4 byte) word which + * is used for configuration + * Total 128 entries per HQM memory space + */ +#define HQM_INDX_TBL_RAM_BASE_OFFSET 0x00002000 + +/** + * PSS Block Memory Page Number + * This is written to the appropriate page number + * register to access the CPU memory. + * Also known as the PSS secondary memory (SMEM). + * Range : 0x180 to 0x1CF + * See catapult_spec.pdf for details + */ +#define PSS_BLK_PG_NUM 0x00000180 + +/** + * Offsets of different instances of PSS SMEM + * 2.5M of continuous 1T memory space : 2 blocks + * of 1M each (32 pages each, page=32KB) and 4 smaller + * blocks of 128K each (4 pages each, page=32KB) + * PSS_LMEM_INST0 is used for firmware download + */ +#define PSS_LMEM_INST0 0x00000000 +#define PSS_LMEM_INST1 0x00100000 +#define PSS_LMEM_INST2 0x00200000 +#define PSS_LMEM_INST3 0x00220000 +#define PSS_LMEM_INST4 0x00240000 +#define PSS_LMEM_INST5 0x00260000 + +#define BNA_PCI_REG_CT_ADDRSZ (0x40000) + +#define BNA_GET_PAGE_NUM(_base_page, _offset) \ + ((_base_page) + ((_offset) >> 15)) + +#define BNA_GET_PAGE_OFFSET(_offset) \ + ((_offset) & 0x7fff) + +#define BNA_GET_MEM_BASE_ADDR(_bar0, _base_offset) \ + ((_bar0) + HW_BLK_HOST_MEM_ADDR \ + + BNA_GET_PAGE_OFFSET((_base_offset))) + +#define BNA_GET_VLAN_MEM_ENTRY_ADDR(_bar0, _fn_id, _vlan_id)\ + (_bar0 + (HW_BLK_HOST_MEM_ADDR) \ + + (BNA_GET_PAGE_OFFSET(VLAN_RAM_BASE_OFFSET)) \ + + (((_fn_id) & 0x3f) << 9) \ + + (((_vlan_id) & 0xfe0) >> 3)) + +/** + * + * Interrupt related bits, flags and macros + * + */ + +#define __LPU02HOST_MBOX0_STATUS_BITS 0x00100000 +#define __LPU12HOST_MBOX0_STATUS_BITS 0x00200000 +#define __LPU02HOST_MBOX1_STATUS_BITS 0x00400000 +#define __LPU12HOST_MBOX1_STATUS_BITS 0x00800000 + +#define __LPU02HOST_MBOX0_MASK_BITS 0x00100000 +#define __LPU12HOST_MBOX0_MASK_BITS 0x00200000 +#define __LPU02HOST_MBOX1_MASK_BITS 0x00400000 +#define __LPU12HOST_MBOX1_MASK_BITS 0x00800000 + +#define __LPU2HOST_MBOX_MASK_BITS \ + (__LPU02HOST_MBOX0_MASK_BITS | __LPU02HOST_MBOX1_MASK_BITS | \ + __LPU12HOST_MBOX0_MASK_BITS | __LPU12HOST_MBOX1_MASK_BITS) + +#define __LPU2HOST_IB_STATUS_BITS 0x0000ffff + +#define BNA_IS_LPU0_MBOX_INTR(_intr_status) \ + ((_intr_status) & (__LPU02HOST_MBOX0_STATUS_BITS | \ + __LPU02HOST_MBOX1_STATUS_BITS)) + +#define BNA_IS_LPU1_MBOX_INTR(_intr_status) \ + ((_intr_status) & (__LPU12HOST_MBOX0_STATUS_BITS | \ + __LPU12HOST_MBOX1_STATUS_BITS)) + +#define BNA_IS_MBOX_INTR(_intr_status) \ + ((_intr_status) & \ + (__LPU02HOST_MBOX0_STATUS_BITS | \ + __LPU02HOST_MBOX1_STATUS_BITS | \ + __LPU12HOST_MBOX0_STATUS_BITS | \ + __LPU12HOST_MBOX1_STATUS_BITS)) + +#define __EMC_ERROR_STATUS_BITS 0x00010000 +#define __LPU0_ERROR_STATUS_BITS 0x00020000 +#define __LPU1_ERROR_STATUS_BITS 0x00040000 +#define __PSS_ERROR_STATUS_BITS 0x00080000 + +#define __HALT_STATUS_BITS 0x01000000 + +#define __EMC_ERROR_MASK_BITS 0x00010000 +#define __LPU0_ERROR_MASK_BITS 0x00020000 +#define __LPU1_ERROR_MASK_BITS 0x00040000 +#define __PSS_ERROR_MASK_BITS 0x00080000 + +#define __HALT_MASK_BITS 0x01000000 + +#define __ERROR_MASK_BITS \ + (__EMC_ERROR_MASK_BITS | __LPU0_ERROR_MASK_BITS | \ + __LPU1_ERROR_MASK_BITS | __PSS_ERROR_MASK_BITS | \ + __HALT_MASK_BITS) + +#define BNA_IS_ERR_INTR(_intr_status) \ + ((_intr_status) & \ + (__EMC_ERROR_STATUS_BITS | \ + __LPU0_ERROR_STATUS_BITS | \ + __LPU1_ERROR_STATUS_BITS | \ + __PSS_ERROR_STATUS_BITS | \ + __HALT_STATUS_BITS)) + +#define BNA_IS_MBOX_ERR_INTR(_intr_status) \ + (BNA_IS_MBOX_INTR((_intr_status)) | \ + BNA_IS_ERR_INTR((_intr_status))) + +#define BNA_IS_INTX_DATA_INTR(_intr_status) \ + ((_intr_status) & __LPU2HOST_IB_STATUS_BITS) + +#define BNA_INTR_STATUS_MBOX_CLR(_intr_status) \ +do { \ + (_intr_status) &= ~(__LPU02HOST_MBOX0_STATUS_BITS | \ + __LPU02HOST_MBOX1_STATUS_BITS | \ + __LPU12HOST_MBOX0_STATUS_BITS | \ + __LPU12HOST_MBOX1_STATUS_BITS); \ +} while (0) + +#define BNA_INTR_STATUS_ERR_CLR(_intr_status) \ +do { \ + (_intr_status) &= ~(__EMC_ERROR_STATUS_BITS | \ + __LPU0_ERROR_STATUS_BITS | \ + __LPU1_ERROR_STATUS_BITS | \ + __PSS_ERROR_STATUS_BITS | \ + __HALT_STATUS_BITS); \ +} while (0) + +#define bna_intx_disable(_bna, _cur_mask) \ +{ \ + (_cur_mask) = readl((_bna)->regs.fn_int_mask);\ + writel(0xffffffff, (_bna)->regs.fn_int_mask);\ +} + +#define bna_intx_enable(bna, new_mask) \ + writel((new_mask), (bna)->regs.fn_int_mask) + +#define bna_mbox_intr_disable(bna) \ + writel((readl((bna)->regs.fn_int_mask) | \ + (__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \ + (bna)->regs.fn_int_mask) + +#define bna_mbox_intr_enable(bna) \ + writel((readl((bna)->regs.fn_int_mask) & \ + ~(__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \ + (bna)->regs.fn_int_mask) + +#define bna_intr_status_get(_bna, _status) \ +{ \ + (_status) = readl((_bna)->regs.fn_int_status); \ + if ((_status)) { \ + writel((_status) & ~(__LPU02HOST_MBOX0_STATUS_BITS |\ + __LPU02HOST_MBOX1_STATUS_BITS |\ + __LPU12HOST_MBOX0_STATUS_BITS |\ + __LPU12HOST_MBOX1_STATUS_BITS), \ + (_bna)->regs.fn_int_status);\ + } \ +} + +#define bna_intr_status_get_no_clr(_bna, _status) \ + (_status) = readl((_bna)->regs.fn_int_status) + +#define bna_intr_mask_get(bna, mask) \ + (*mask) = readl((bna)->regs.fn_int_mask) + +#define bna_intr_ack(bna, intr_bmap) \ + writel((intr_bmap), (bna)->regs.fn_int_status) + +#define bna_ib_intx_disable(bna, ib_id) \ + writel(readl((bna)->regs.fn_int_mask) | \ + (1 << (ib_id)), \ + (bna)->regs.fn_int_mask) + +#define bna_ib_intx_enable(bna, ib_id) \ + writel(readl((bna)->regs.fn_int_mask) & \ + ~(1 << (ib_id)), \ + (bna)->regs.fn_int_mask) + +#define bna_mbox_msix_idx_set(_device) \ +do {\ + writel(((_device)->vector & 0x000001FF), \ + (_device)->bna->pcidev.pci_bar_kva + \ + reg_offset[(_device)->bna->pcidev.pci_func].msix_idx);\ +} while (0) + +/** + * + * TxQ, RxQ, CQ related bits, offsets, macros + * + */ + +#define BNA_Q_IDLE_STATE 0x00008001 + +#define BNA_GET_DOORBELL_BASE_ADDR(_bar0) \ + ((_bar0) + HQM_DOORBELL_BLK_BASE_ADDR) + +#define BNA_GET_DOORBELL_ENTRY_OFFSET(_entry) \ + ((HQM_DOORBELL_BLK_BASE_ADDR) \ + + (_entry << 7)) + +#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \ + (0x80000000 | ((_timeout) << 16) | (_events)) + +#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000) + +/* TxQ Entry Opcodes */ +#define BNA_TXQ_WI_SEND (0x402) /* Single Frame Transmission */ +#define BNA_TXQ_WI_SEND_LSO (0x403) /* Multi-Frame Transmission */ +#define BNA_TXQ_WI_EXTENSION (0x104) /* Extension WI */ + +/* TxQ Entry Control Flags */ +#define BNA_TXQ_WI_CF_FCOE_CRC (1 << 8) +#define BNA_TXQ_WI_CF_IPID_MODE (1 << 5) +#define BNA_TXQ_WI_CF_INS_PRIO (1 << 4) +#define BNA_TXQ_WI_CF_INS_VLAN (1 << 3) +#define BNA_TXQ_WI_CF_UDP_CKSUM (1 << 2) +#define BNA_TXQ_WI_CF_TCP_CKSUM (1 << 1) +#define BNA_TXQ_WI_CF_IP_CKSUM (1 << 0) + +#define BNA_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \ + (((_hdr_size) << 10) | ((_offset) & 0x3FF)) + +/* + * Completion Q defines + */ +/* CQ Entry Flags */ +#define BNA_CQ_EF_MAC_ERROR (1 << 0) +#define BNA_CQ_EF_FCS_ERROR (1 << 1) +#define BNA_CQ_EF_TOO_LONG (1 << 2) +#define BNA_CQ_EF_FC_CRC_OK (1 << 3) + +#define BNA_CQ_EF_RSVD1 (1 << 4) +#define BNA_CQ_EF_L4_CKSUM_OK (1 << 5) +#define BNA_CQ_EF_L3_CKSUM_OK (1 << 6) +#define BNA_CQ_EF_HDS_HEADER (1 << 7) + +#define BNA_CQ_EF_UDP (1 << 8) +#define BNA_CQ_EF_TCP (1 << 9) +#define BNA_CQ_EF_IP_OPTIONS (1 << 10) +#define BNA_CQ_EF_IPV6 (1 << 11) + +#define BNA_CQ_EF_IPV4 (1 << 12) +#define BNA_CQ_EF_VLAN (1 << 13) +#define BNA_CQ_EF_RSS (1 << 14) +#define BNA_CQ_EF_RSVD2 (1 << 15) + +#define BNA_CQ_EF_MCAST_MATCH (1 << 16) +#define BNA_CQ_EF_MCAST (1 << 17) +#define BNA_CQ_EF_BCAST (1 << 18) +#define BNA_CQ_EF_REMOTE (1 << 19) + +#define BNA_CQ_EF_LOCAL (1 << 20) + +/** + * + * Data structures + * + */ + +enum txf_flags { + BFI_TXF_CF_ENABLE = 1 << 0, + BFI_TXF_CF_VLAN_FILTER = 1 << 8, + BFI_TXF_CF_VLAN_ADMIT = 1 << 9, + BFI_TXF_CF_VLAN_INSERT = 1 << 10, + BFI_TXF_CF_RSVD1 = 1 << 11, + BFI_TXF_CF_MAC_SA_CHECK = 1 << 12, + BFI_TXF_CF_VLAN_WI_BASED = 1 << 13, + BFI_TXF_CF_VSWITCH_MCAST = 1 << 14, + BFI_TXF_CF_VSWITCH_UCAST = 1 << 15, + BFI_TXF_CF_RSVD2 = 0x7F << 1 +}; + +enum ib_flags { + BFI_IB_CF_MASTER_ENABLE = (1 << 0), + BFI_IB_CF_MSIX_MODE = (1 << 1), + BFI_IB_CF_COALESCING_MODE = (1 << 2), + BFI_IB_CF_INTER_PKT_ENABLE = (1 << 3), + BFI_IB_CF_INT_ENABLE = (1 << 4), + BFI_IB_CF_INTER_PKT_DMA = (1 << 5), + BFI_IB_CF_ACK_PENDING = (1 << 6), + BFI_IB_CF_RESERVED1 = (1 << 7) +}; + +enum rss_hash_type { + BFI_RSS_T_V4_TCP = (1 << 11), + BFI_RSS_T_V4_IP = (1 << 10), + BFI_RSS_T_V6_TCP = (1 << 9), + BFI_RSS_T_V6_IP = (1 << 8) +}; +enum hds_header_type { + BNA_HDS_T_V4_TCP = (1 << 11), + BNA_HDS_T_V4_UDP = (1 << 10), + BNA_HDS_T_V6_TCP = (1 << 9), + BNA_HDS_T_V6_UDP = (1 << 8), + BNA_HDS_FORCED = (1 << 7), +}; +enum rxf_flags { + BNA_RXF_CF_SM_LG_RXQ = (1 << 15), + BNA_RXF_CF_DEFAULT_VLAN = (1 << 14), + BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE = (1 << 13), + BNA_RXF_CF_VLAN_STRIP = (1 << 12), + BNA_RXF_CF_RSS_ENABLE = (1 << 8) +}; +struct bna_chip_regs_offset { + u32 page_addr; + u32 fn_int_status; + u32 fn_int_mask; + u32 msix_idx; +}; + +struct bna_chip_regs { + void __iomem *page_addr; + void __iomem *fn_int_status; + void __iomem *fn_int_mask; +}; + +struct bna_txq_mem { + u32 pg_tbl_addr_lo; + u32 pg_tbl_addr_hi; + u32 cur_q_entry_lo; + u32 cur_q_entry_hi; + u32 reserved1; + u32 reserved2; + u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ + /* 15:0 ->producer pointer (index?) */ + u32 entry_n_pg_size; /* 31:16->entry size */ + /* 15:0 ->page size */ + u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */ + /* 23:16->Int Blk Offset */ + /* 15:0 ->consumer pointer(index?) */ + u32 cns_ptr2_n_q_state; /* 31:16->cons. ptr 2; 15:0-> Q state */ + u32 nxt_qid_n_fid_n_pri; /* 17:10->next */ + /* QId;9:3->FID;2:0->Priority */ + u32 wvc_n_cquota_n_rquota; /* 31:24->WI Vector Count; */ + /* 23:12->Cfg Quota; */ + /* 11:0 ->Run Quota */ + u32 reserved3[4]; +}; + +struct bna_rxq_mem { + u32 pg_tbl_addr_lo; + u32 pg_tbl_addr_hi; + u32 cur_q_entry_lo; + u32 cur_q_entry_hi; + u32 reserved1; + u32 reserved2; + u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ + /* 15:0 ->producer pointer (index?) */ + u32 entry_n_pg_size; /* 31:16->entry size */ + /* 15:0 ->page size */ + u32 sg_n_cq_n_cns_ptr; /* 31:28->reserved; 27:24->sg count */ + /* 23:16->CQ; */ + /* 15:0->consumer pointer(index?) */ + u32 buf_sz_n_q_state; /* 31:16->buffer size; 15:0-> Q state */ + u32 next_qid; /* 17:10->next QId */ + u32 reserved3; + u32 reserved4[4]; +}; + +struct bna_rxtx_q_mem { + struct bna_rxq_mem rxq; + struct bna_txq_mem txq; +}; + +struct bna_cq_mem { + u32 pg_tbl_addr_lo; + u32 pg_tbl_addr_hi; + u32 cur_q_entry_lo; + u32 cur_q_entry_hi; + + u32 reserved1; + u32 reserved2; + u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */ + /* 15:0 ->producer pointer (index?) */ + u32 entry_n_pg_size; /* 31:16->entry size */ + /* 15:0 ->page size */ + u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */ + /* 23:16->Int Blk Offset */ + /* 15:0 ->consumer pointer(index?) */ + u32 q_state; /* 31:16->reserved; 15:0-> Q state */ + u32 reserved3[2]; + u32 reserved4[4]; +}; + +struct bna_ib_blk_mem { + u32 host_addr_lo; + u32 host_addr_hi; + u32 clsc_n_ctrl_n_msix; /* 31:24->coalescing; */ + /* 23:16->coalescing cfg; */ + /* 15:8 ->control; */ + /* 7:0 ->msix; */ + u32 ipkt_n_ent_n_idxof; + u32 ipkt_cnt_cfg_n_unacked; + + u32 reserved[3]; +}; + +struct bna_idx_tbl_mem { + u32 idx; /* !< 31:16->res;15:0->idx; */ +}; + +struct bna_doorbell_qset { + u32 rxq[0x20 >> 2]; + u32 txq[0x20 >> 2]; + u32 ib0[0x20 >> 2]; + u32 ib1[0x20 >> 2]; +}; + +struct bna_rx_fndb_ram { + u32 rss_prop; + u32 size_routing_props; + u32 rit_hds_mcastq; + u32 control_flags; +}; + +struct bna_tx_fndb_ram { + u32 vlan_n_ctrl_flags; +}; + +/** + * @brief + * Structure which maps to RxFn Indirection Table (RIT) + * Size : 1 word + * See catapult_spec.pdf, RxA for details + */ +struct bna_rit_mem { + u32 rxq_ids; /* !< 31:12->res;11:0->two 6 bit RxQ Ids */ +}; + +/** + * @brief + * Structure which maps to RSS Table entry + * Size : 16 words + * See catapult_spec.pdf, RAD for details + */ +struct bna_rss_mem { + /* + * 31:12-> res + * 11:8 -> protocol type + * 7:0 -> hash index + */ + u32 type_n_hash; + u32 hash_key[10]; /* !< 40 byte Toeplitz hash key */ + u32 reserved[5]; +}; + +/* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */ +struct bna_dma_addr { + u32 msb; + u32 lsb; +}; + +struct bna_txq_wi_vector { + u16 reserved; + u16 length; /* Only 14 LSB are valid */ + struct bna_dma_addr host_addr; /* Tx-Buf DMA addr */ +}; + +typedef u16 bna_txq_wi_opcode_t; + +typedef u16 bna_txq_wi_ctrl_flag_t; + +/** + * TxQ Entry Structure + * + * BEWARE: Load values into this structure with correct endianess. + */ +struct bna_txq_entry { + union { + struct { + u8 reserved; + u8 num_vectors; /* number of vectors present */ + bna_txq_wi_opcode_t opcode; /* Either */ + /* BNA_TXQ_WI_SEND or */ + /* BNA_TXQ_WI_SEND_LSO */ + bna_txq_wi_ctrl_flag_t flags; /* OR of all the flags */ + u16 l4_hdr_size_n_offset; + u16 vlan_tag; + u16 lso_mss; /* Only 14 LSB are valid */ + u32 frame_length; /* Only 24 LSB are valid */ + } wi; + + struct { + u16 reserved; + bna_txq_wi_opcode_t opcode; /* Must be */ + /* BNA_TXQ_WI_EXTENSION */ + u32 reserved2[3]; /* Place holder for */ + /* removed vector (12 bytes) */ + } wi_ext; + } hdr; + struct bna_txq_wi_vector vector[4]; +}; +#define wi_hdr hdr.wi +#define wi_ext_hdr hdr.wi_ext + +/* RxQ Entry Structure */ +struct bna_rxq_entry { /* Rx-Buffer */ + struct bna_dma_addr host_addr; /* Rx-Buffer DMA address */ +}; + +typedef u32 bna_cq_e_flag_t; + +/* CQ Entry Structure */ +struct bna_cq_entry { + bna_cq_e_flag_t flags; + u16 vlan_tag; + u16 length; + u32 rss_hash; + u8 valid; + u8 reserved1; + u8 reserved2; + u8 rxq_id; +}; + +#endif /* __BNA_HW_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bna_txrx.c b/drivers/net/ethernet/brocade/bna/bna_txrx.c new file mode 100644 index 000000000000..f0983c832447 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bna_txrx.c @@ -0,0 +1,4185 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#include "bna.h" +#include "bfa_cs.h" +#include "bfi.h" + +/** + * IB + */ +#define bna_ib_find_free_ibidx(_mask, _pos)\ +do {\ + (_pos) = 0;\ + while (((_pos) < (BFI_IBIDX_MAX_SEGSIZE)) &&\ + ((1 << (_pos)) & (_mask)))\ + (_pos)++;\ +} while (0) + +#define bna_ib_count_ibidx(_mask, _count)\ +do {\ + int pos = 0;\ + (_count) = 0;\ + while (pos < (BFI_IBIDX_MAX_SEGSIZE)) {\ + if ((1 << pos) & (_mask))\ + (_count) = pos + 1;\ + pos++;\ + } \ +} while (0) + +#define bna_ib_select_segpool(_count, _q_idx)\ +do {\ + int i;\ + (_q_idx) = -1;\ + for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {\ + if ((_count <= ibidx_pool[i].pool_entry_size)) {\ + (_q_idx) = i;\ + break;\ + } \ + } \ +} while (0) + +struct bna_ibidx_pool { + int pool_size; + int pool_entry_size; +}; +init_ibidx_pool(ibidx_pool); + +static struct bna_intr * +bna_intr_get(struct bna_ib_mod *ib_mod, enum bna_intr_type intr_type, + int vector) +{ + struct bna_intr *intr; + struct list_head *qe; + + list_for_each(qe, &ib_mod->intr_active_q) { + intr = (struct bna_intr *)qe; + + if ((intr->intr_type == intr_type) && + (intr->vector == vector)) { + intr->ref_count++; + return intr; + } + } + + if (list_empty(&ib_mod->intr_free_q)) + return NULL; + + bfa_q_deq(&ib_mod->intr_free_q, &intr); + bfa_q_qe_init(&intr->qe); + + intr->ref_count = 1; + intr->intr_type = intr_type; + intr->vector = vector; + + list_add_tail(&intr->qe, &ib_mod->intr_active_q); + + return intr; +} + +static void +bna_intr_put(struct bna_ib_mod *ib_mod, + struct bna_intr *intr) +{ + intr->ref_count--; + + if (intr->ref_count == 0) { + intr->ib = NULL; + list_del(&intr->qe); + bfa_q_qe_init(&intr->qe); + list_add_tail(&intr->qe, &ib_mod->intr_free_q); + } +} + +void +bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna, + struct bna_res_info *res_info) +{ + int i; + int j; + int count; + u8 offset; + struct bna_doorbell_qset *qset; + unsigned long off; + + ib_mod->bna = bna; + + ib_mod->ib = (struct bna_ib *) + res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mdl[0].kva; + ib_mod->intr = (struct bna_intr *) + res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mdl[0].kva; + ib_mod->idx_seg = (struct bna_ibidx_seg *) + res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mdl[0].kva; + + INIT_LIST_HEAD(&ib_mod->ib_free_q); + INIT_LIST_HEAD(&ib_mod->intr_free_q); + INIT_LIST_HEAD(&ib_mod->intr_active_q); + + for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) + INIT_LIST_HEAD(&ib_mod->ibidx_seg_pool[i]); + + for (i = 0; i < BFI_MAX_IB; i++) { + ib_mod->ib[i].ib_id = i; + + ib_mod->ib[i].ib_seg_host_addr_kva = + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva; + ib_mod->ib[i].ib_seg_host_addr.lsb = + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb; + ib_mod->ib[i].ib_seg_host_addr.msb = + res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb; + + qset = (struct bna_doorbell_qset *)0; + off = (unsigned long)(&qset[i >> 1].ib0[(i & 0x1) + * (0x20 >> 2)]); + ib_mod->ib[i].door_bell.doorbell_addr = off + + BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva); + + bfa_q_qe_init(&ib_mod->ib[i].qe); + list_add_tail(&ib_mod->ib[i].qe, &ib_mod->ib_free_q); + + bfa_q_qe_init(&ib_mod->intr[i].qe); + list_add_tail(&ib_mod->intr[i].qe, &ib_mod->intr_free_q); + } + + count = 0; + offset = 0; + for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) { + for (j = 0; j < ibidx_pool[i].pool_size; j++) { + bfa_q_qe_init(&ib_mod->idx_seg[count]); + ib_mod->idx_seg[count].ib_seg_size = + ibidx_pool[i].pool_entry_size; + ib_mod->idx_seg[count].ib_idx_tbl_offset = offset; + list_add_tail(&ib_mod->idx_seg[count].qe, + &ib_mod->ibidx_seg_pool[i]); + count++; + offset += ibidx_pool[i].pool_entry_size; + } + } +} + +void +bna_ib_mod_uninit(struct bna_ib_mod *ib_mod) +{ + int i; + int j; + struct list_head *qe; + + i = 0; + list_for_each(qe, &ib_mod->ib_free_q) + i++; + + i = 0; + list_for_each(qe, &ib_mod->intr_free_q) + i++; + + for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) { + j = 0; + list_for_each(qe, &ib_mod->ibidx_seg_pool[i]) + j++; + } + + ib_mod->bna = NULL; +} + +static struct bna_ib * +bna_ib_get(struct bna_ib_mod *ib_mod, + enum bna_intr_type intr_type, + int vector) +{ + struct bna_ib *ib; + struct bna_intr *intr; + + if (intr_type == BNA_INTR_T_INTX) + vector = (1 << vector); + + intr = bna_intr_get(ib_mod, intr_type, vector); + if (intr == NULL) + return NULL; + + if (intr->ib) { + if (intr->ib->ref_count == BFI_IBIDX_MAX_SEGSIZE) { + bna_intr_put(ib_mod, intr); + return NULL; + } + intr->ib->ref_count++; + return intr->ib; + } + + if (list_empty(&ib_mod->ib_free_q)) { + bna_intr_put(ib_mod, intr); + return NULL; + } + + bfa_q_deq(&ib_mod->ib_free_q, &ib); + bfa_q_qe_init(&ib->qe); + + ib->ref_count = 1; + ib->start_count = 0; + ib->idx_mask = 0; + + ib->intr = intr; + ib->idx_seg = NULL; + intr->ib = ib; + + ib->bna = ib_mod->bna; + + return ib; +} + +static void +bna_ib_put(struct bna_ib_mod *ib_mod, struct bna_ib *ib) +{ + bna_intr_put(ib_mod, ib->intr); + + ib->ref_count--; + + if (ib->ref_count == 0) { + ib->intr = NULL; + ib->bna = NULL; + list_add_tail(&ib->qe, &ib_mod->ib_free_q); + } +} + +/* Returns index offset - starting from 0 */ +static int +bna_ib_reserve_idx(struct bna_ib *ib) +{ + struct bna_ib_mod *ib_mod = &ib->bna->ib_mod; + struct bna_ibidx_seg *idx_seg; + int idx; + int num_idx; + int q_idx; + + /* Find the first free index position */ + bna_ib_find_free_ibidx(ib->idx_mask, idx); + if (idx == BFI_IBIDX_MAX_SEGSIZE) + return -1; + + /* + * Calculate the total number of indexes held by this IB, + * including the index newly reserved above. + */ + bna_ib_count_ibidx((ib->idx_mask | (1 << idx)), num_idx); + + /* See if there is a free space in the index segment held by this IB */ + if (ib->idx_seg && (num_idx <= ib->idx_seg->ib_seg_size)) { + ib->idx_mask |= (1 << idx); + return idx; + } + + if (ib->start_count) + return -1; + + /* Allocate a new segment */ + bna_ib_select_segpool(num_idx, q_idx); + while (1) { + if (q_idx == BFI_IBIDX_TOTAL_POOLS) + return -1; + if (!list_empty(&ib_mod->ibidx_seg_pool[q_idx])) + break; + q_idx++; + } + bfa_q_deq(&ib_mod->ibidx_seg_pool[q_idx], &idx_seg); + bfa_q_qe_init(&idx_seg->qe); + + /* Free the old segment */ + if (ib->idx_seg) { + bna_ib_select_segpool(ib->idx_seg->ib_seg_size, q_idx); + list_add_tail(&ib->idx_seg->qe, &ib_mod->ibidx_seg_pool[q_idx]); + } + + ib->idx_seg = idx_seg; + + ib->idx_mask |= (1 << idx); + + return idx; +} + +static void +bna_ib_release_idx(struct bna_ib *ib, int idx) +{ + struct bna_ib_mod *ib_mod = &ib->bna->ib_mod; + struct bna_ibidx_seg *idx_seg; + int num_idx; + int cur_q_idx; + int new_q_idx; + + ib->idx_mask &= ~(1 << idx); + + if (ib->start_count) + return; + + bna_ib_count_ibidx(ib->idx_mask, num_idx); + + /* + * Free the segment, if there are no more indexes in the segment + * held by this IB + */ + if (!num_idx) { + bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx); + list_add_tail(&ib->idx_seg->qe, + &ib_mod->ibidx_seg_pool[cur_q_idx]); + ib->idx_seg = NULL; + return; + } + + /* See if we can move to a smaller segment */ + bna_ib_select_segpool(num_idx, new_q_idx); + bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx); + while (new_q_idx < cur_q_idx) { + if (!list_empty(&ib_mod->ibidx_seg_pool[new_q_idx])) + break; + new_q_idx++; + } + if (new_q_idx < cur_q_idx) { + /* Select the new smaller segment */ + bfa_q_deq(&ib_mod->ibidx_seg_pool[new_q_idx], &idx_seg); + bfa_q_qe_init(&idx_seg->qe); + /* Free the old segment */ + list_add_tail(&ib->idx_seg->qe, + &ib_mod->ibidx_seg_pool[cur_q_idx]); + ib->idx_seg = idx_seg; + } +} + +static int +bna_ib_config(struct bna_ib *ib, struct bna_ib_config *ib_config) +{ + if (ib->start_count) + return -1; + + ib->ib_config.coalescing_timeo = ib_config->coalescing_timeo; + ib->ib_config.interpkt_timeo = ib_config->interpkt_timeo; + ib->ib_config.interpkt_count = ib_config->interpkt_count; + ib->ib_config.ctrl_flags = ib_config->ctrl_flags; + + ib->ib_config.ctrl_flags |= BFI_IB_CF_MASTER_ENABLE; + if (ib->intr->intr_type == BNA_INTR_T_MSIX) + ib->ib_config.ctrl_flags |= BFI_IB_CF_MSIX_MODE; + + return 0; +} + +static void +bna_ib_start(struct bna_ib *ib) +{ + struct bna_ib_blk_mem ib_cfg; + struct bna_ib_blk_mem *ib_mem; + u32 pg_num; + u32 intx_mask; + int i; + void __iomem *base_addr; + unsigned long off; + + ib->start_count++; + + if (ib->start_count > 1) + return; + + ib_cfg.host_addr_lo = (u32)(ib->ib_seg_host_addr.lsb); + ib_cfg.host_addr_hi = (u32)(ib->ib_seg_host_addr.msb); + + ib_cfg.clsc_n_ctrl_n_msix = (((u32) + ib->ib_config.coalescing_timeo << 16) | + ((u32)ib->ib_config.ctrl_flags << 8) | + (ib->intr->vector)); + ib_cfg.ipkt_n_ent_n_idxof = + ((u32) + (ib->ib_config.interpkt_timeo & 0xf) << 16) | + ((u32)ib->idx_seg->ib_seg_size << 8) | + (ib->idx_seg->ib_idx_tbl_offset); + ib_cfg.ipkt_cnt_cfg_n_unacked = ((u32) + ib->ib_config.interpkt_count << 24); + + pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num, + HQM_IB_RAM_BASE_OFFSET); + writel(pg_num, ib->bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva, + HQM_IB_RAM_BASE_OFFSET); + + ib_mem = (struct bna_ib_blk_mem *)0; + off = (unsigned long)&ib_mem[ib->ib_id].host_addr_lo; + writel(htonl(ib_cfg.host_addr_lo), base_addr + off); + + off = (unsigned long)&ib_mem[ib->ib_id].host_addr_hi; + writel(htonl(ib_cfg.host_addr_hi), base_addr + off); + + off = (unsigned long)&ib_mem[ib->ib_id].clsc_n_ctrl_n_msix; + writel(ib_cfg.clsc_n_ctrl_n_msix, base_addr + off); + + off = (unsigned long)&ib_mem[ib->ib_id].ipkt_n_ent_n_idxof; + writel(ib_cfg.ipkt_n_ent_n_idxof, base_addr + off); + + off = (unsigned long)&ib_mem[ib->ib_id].ipkt_cnt_cfg_n_unacked; + writel(ib_cfg.ipkt_cnt_cfg_n_unacked, base_addr + off); + + ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK( + (u32)ib->ib_config.coalescing_timeo, 0); + + pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num, + HQM_INDX_TBL_RAM_BASE_OFFSET); + writel(pg_num, ib->bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva, + HQM_INDX_TBL_RAM_BASE_OFFSET); + for (i = 0; i < ib->idx_seg->ib_seg_size; i++) { + off = (unsigned long) + ((ib->idx_seg->ib_idx_tbl_offset + i) * BFI_IBIDX_SIZE); + writel(0, base_addr + off); + } + + if (ib->intr->intr_type == BNA_INTR_T_INTX) { + bna_intx_disable(ib->bna, intx_mask); + intx_mask &= ~(ib->intr->vector); + bna_intx_enable(ib->bna, intx_mask); + } +} + +static void +bna_ib_stop(struct bna_ib *ib) +{ + u32 intx_mask; + + ib->start_count--; + + if (ib->start_count == 0) { + writel(BNA_DOORBELL_IB_INT_DISABLE, + ib->door_bell.doorbell_addr); + if (ib->intr->intr_type == BNA_INTR_T_INTX) { + bna_intx_disable(ib->bna, intx_mask); + intx_mask |= (ib->intr->vector); + bna_intx_enable(ib->bna, intx_mask); + } + } +} + +static void +bna_ib_fail(struct bna_ib *ib) +{ + ib->start_count = 0; +} + +/** + * RXF + */ +static void rxf_enable(struct bna_rxf *rxf); +static void rxf_disable(struct bna_rxf *rxf); +static void __rxf_config_set(struct bna_rxf *rxf); +static void __rxf_rit_set(struct bna_rxf *rxf); +static void __bna_rxf_stat_clr(struct bna_rxf *rxf); +static int rxf_process_packet_filter(struct bna_rxf *rxf); +static int rxf_clear_packet_filter(struct bna_rxf *rxf); +static void rxf_reset_packet_filter(struct bna_rxf *rxf); +static void rxf_cb_enabled(void *arg, int status); +static void rxf_cb_disabled(void *arg, int status); +static void bna_rxf_cb_stats_cleared(void *arg, int status); +static void __rxf_enable(struct bna_rxf *rxf); +static void __rxf_disable(struct bna_rxf *rxf); + +bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, start_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, cam_fltr_mod_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, cam_fltr_clr_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, stop_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, pause_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, resume_wait, struct bna_rxf, + enum bna_rxf_event); +bfa_fsm_state_decl(bna_rxf, stat_clr_wait, struct bna_rxf, + enum bna_rxf_event); + +static struct bfa_sm_table rxf_sm_table[] = { + {BFA_SM(bna_rxf_sm_stopped), BNA_RXF_STOPPED}, + {BFA_SM(bna_rxf_sm_start_wait), BNA_RXF_START_WAIT}, + {BFA_SM(bna_rxf_sm_cam_fltr_mod_wait), BNA_RXF_CAM_FLTR_MOD_WAIT}, + {BFA_SM(bna_rxf_sm_started), BNA_RXF_STARTED}, + {BFA_SM(bna_rxf_sm_cam_fltr_clr_wait), BNA_RXF_CAM_FLTR_CLR_WAIT}, + {BFA_SM(bna_rxf_sm_stop_wait), BNA_RXF_STOP_WAIT}, + {BFA_SM(bna_rxf_sm_pause_wait), BNA_RXF_PAUSE_WAIT}, + {BFA_SM(bna_rxf_sm_resume_wait), BNA_RXF_RESUME_WAIT}, + {BFA_SM(bna_rxf_sm_stat_clr_wait), BNA_RXF_STAT_CLR_WAIT} +}; + +static void +bna_rxf_sm_stopped_entry(struct bna_rxf *rxf) +{ + call_rxf_stop_cbfn(rxf, BNA_CB_SUCCESS); +} + +static void +bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_START: + bfa_fsm_set_state(rxf, bna_rxf_sm_start_wait); + break; + + case RXF_E_STOP: + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_FAIL: + /* No-op */ + break; + + case RXF_E_CAM_FLTR_MOD: + call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); + break; + + case RXF_E_STARTED: + case RXF_E_STOPPED: + case RXF_E_CAM_FLTR_RESP: + /** + * These events are received due to flushing of mbox + * when device fails + */ + /* No-op */ + break; + + case RXF_E_PAUSE: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; + call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS); + break; + + case RXF_E_RESUME: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; + call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_start_wait_entry(struct bna_rxf *rxf) +{ + __rxf_config_set(rxf); + __rxf_rit_set(rxf); + rxf_enable(rxf); +} + +static void +bna_rxf_sm_start_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_STOP: + /** + * STOP is originated from bnad. When this happens, + * it can not be waiting for filter update + */ + call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT); + bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait); + break; + + case RXF_E_FAIL: + call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); + call_rxf_start_cbfn(rxf, BNA_CB_FAIL); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_CAM_FLTR_MOD: + /* No-op */ + break; + + case RXF_E_STARTED: + /** + * Force rxf_process_filter() to go through initial + * config + */ + if ((rxf->ucast_active_mac != NULL) && + (rxf->ucast_pending_set == 0)) + rxf->ucast_pending_set = 1; + + if (rxf->rss_status == BNA_STATUS_T_ENABLED) + rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING; + + rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; + + bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait); + break; + + case RXF_E_PAUSE: + case RXF_E_RESUME: + rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED; + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_cam_fltr_mod_wait_entry(struct bna_rxf *rxf) +{ + if (!rxf_process_packet_filter(rxf)) { + /* No more pending CAM entries to update */ + bfa_fsm_set_state(rxf, bna_rxf_sm_started); + } +} + +static void +bna_rxf_sm_cam_fltr_mod_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_STOP: + /** + * STOP is originated from bnad. When this happens, + * it can not be waiting for filter update + */ + call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT); + bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait); + break; + + case RXF_E_FAIL: + rxf_reset_packet_filter(rxf); + call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); + call_rxf_start_cbfn(rxf, BNA_CB_FAIL); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_CAM_FLTR_MOD: + /* No-op */ + break; + + case RXF_E_CAM_FLTR_RESP: + if (!rxf_process_packet_filter(rxf)) { + /* No more pending CAM entries to update */ + call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS); + bfa_fsm_set_state(rxf, bna_rxf_sm_started); + } + break; + + case RXF_E_PAUSE: + case RXF_E_RESUME: + rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED; + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_started_entry(struct bna_rxf *rxf) +{ + call_rxf_start_cbfn(rxf, BNA_CB_SUCCESS); + + if (rxf->rxf_flags & BNA_RXF_FL_OPERSTATE_CHANGED) { + if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) + bfa_fsm_send_event(rxf, RXF_E_PAUSE); + else + bfa_fsm_send_event(rxf, RXF_E_RESUME); + } + +} + +static void +bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_STOP: + bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait); + /* Hack to get FSM start clearing CAM entries */ + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP); + break; + + case RXF_E_FAIL: + rxf_reset_packet_filter(rxf); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_CAM_FLTR_MOD: + bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait); + break; + + case RXF_E_PAUSE: + bfa_fsm_set_state(rxf, bna_rxf_sm_pause_wait); + break; + + case RXF_E_RESUME: + bfa_fsm_set_state(rxf, bna_rxf_sm_resume_wait); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_cam_fltr_clr_wait_entry(struct bna_rxf *rxf) +{ + /** + * Note: Do not add rxf_clear_packet_filter here. + * It will overstep mbox when this transition happens: + * cam_fltr_mod_wait -> cam_fltr_clr_wait on RXF_E_STOP event + */ +} + +static void +bna_rxf_sm_cam_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_FAIL: + /** + * FSM was in the process of stopping, initiated by + * bnad. When this happens, no one can be waiting for + * start or filter update + */ + rxf_reset_packet_filter(rxf); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_CAM_FLTR_RESP: + if (!rxf_clear_packet_filter(rxf)) { + /* No more pending CAM entries to clear */ + bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait); + rxf_disable(rxf); + } + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_stop_wait_entry(struct bna_rxf *rxf) +{ + /** + * NOTE: Do not add rxf_disable here. + * It will overstep mbox when this transition happens: + * start_wait -> stop_wait on RXF_E_STOP event + */ +} + +static void +bna_rxf_sm_stop_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_FAIL: + /** + * FSM was in the process of stopping, initiated by + * bnad. When this happens, no one can be waiting for + * start or filter update + */ + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_STARTED: + /** + * This event is received due to abrupt transition from + * bna_rxf_sm_start_wait state on receiving + * RXF_E_STOP event + */ + rxf_disable(rxf); + break; + + case RXF_E_STOPPED: + /** + * FSM was in the process of stopping, initiated by + * bnad. When this happens, no one can be waiting for + * start or filter update + */ + bfa_fsm_set_state(rxf, bna_rxf_sm_stat_clr_wait); + break; + + case RXF_E_PAUSE: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; + break; + + case RXF_E_RESUME: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_pause_wait_entry(struct bna_rxf *rxf) +{ + rxf->rxf_flags &= + ~(BNA_RXF_FL_OPERSTATE_CHANGED | BNA_RXF_FL_RXF_ENABLED); + __rxf_disable(rxf); +} + +static void +bna_rxf_sm_pause_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_FAIL: + /** + * FSM was in the process of disabling rxf, initiated by + * bnad. + */ + call_rxf_pause_cbfn(rxf, BNA_CB_FAIL); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_STOPPED: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED; + call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS); + bfa_fsm_set_state(rxf, bna_rxf_sm_started); + break; + + /* + * Since PAUSE/RESUME can only be sent by bnad, we don't expect + * any other event during these states + */ + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_resume_wait_entry(struct bna_rxf *rxf) +{ + rxf->rxf_flags &= ~(BNA_RXF_FL_OPERSTATE_CHANGED); + rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED; + __rxf_enable(rxf); +} + +static void +bna_rxf_sm_resume_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_FAIL: + /** + * FSM was in the process of disabling rxf, initiated by + * bnad. + */ + call_rxf_resume_cbfn(rxf, BNA_CB_FAIL); + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + case RXF_E_STARTED: + rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING; + call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS); + bfa_fsm_set_state(rxf, bna_rxf_sm_started); + break; + + /* + * Since PAUSE/RESUME can only be sent by bnad, we don't expect + * any other event during these states + */ + default: + bfa_sm_fault(event); + } +} + +static void +bna_rxf_sm_stat_clr_wait_entry(struct bna_rxf *rxf) +{ + __bna_rxf_stat_clr(rxf); +} + +static void +bna_rxf_sm_stat_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event) +{ + switch (event) { + case RXF_E_FAIL: + case RXF_E_STAT_CLEARED: + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +__rxf_enable(struct bna_rxf *rxf) +{ + struct bfi_ll_rxf_multi_req ll_req; + u32 bm[2] = {0, 0}; + + if (rxf->rxf_id < 32) + bm[0] = 1 << rxf->rxf_id; + else + bm[1] = 1 << (rxf->rxf_id - 32); + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0); + ll_req.rxf_id_mask[0] = htonl(bm[0]); + ll_req.rxf_id_mask[1] = htonl(bm[1]); + ll_req.enable = 1; + + bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), + rxf_cb_enabled, rxf); + + bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); +} + +static void +__rxf_disable(struct bna_rxf *rxf) +{ + struct bfi_ll_rxf_multi_req ll_req; + u32 bm[2] = {0, 0}; + + if (rxf->rxf_id < 32) + bm[0] = 1 << rxf->rxf_id; + else + bm[1] = 1 << (rxf->rxf_id - 32); + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0); + ll_req.rxf_id_mask[0] = htonl(bm[0]); + ll_req.rxf_id_mask[1] = htonl(bm[1]); + ll_req.enable = 0; + + bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), + rxf_cb_disabled, rxf); + + bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); +} + +static void +__rxf_config_set(struct bna_rxf *rxf) +{ + u32 i; + struct bna_rss_mem *rss_mem; + struct bna_rx_fndb_ram *rx_fndb_ram; + struct bna *bna = rxf->rx->bna; + void __iomem *base_addr; + unsigned long off; + + base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, + RSS_TABLE_BASE_OFFSET); + + rss_mem = (struct bna_rss_mem *)0; + + /* Configure RSS if required */ + if (rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE) { + /* configure RSS Table */ + writel(BNA_GET_PAGE_NUM(RAD0_MEM_BLK_BASE_PG_NUM + + bna->port_num, RSS_TABLE_BASE_OFFSET), + bna->regs.page_addr); + + /* temporarily disable RSS, while hash value is written */ + off = (unsigned long)&rss_mem[0].type_n_hash; + writel(0, base_addr + off); + + for (i = 0; i < BFI_RSS_HASH_KEY_LEN; i++) { + off = (unsigned long) + &rss_mem[0].hash_key[(BFI_RSS_HASH_KEY_LEN - 1) - i]; + writel(htonl(rxf->rss_cfg.toeplitz_hash_key[i]), + base_addr + off); + } + + off = (unsigned long)&rss_mem[0].type_n_hash; + writel(rxf->rss_cfg.hash_type | rxf->rss_cfg.hash_mask, + base_addr + off); + } + + /* Configure RxF */ + writel(BNA_GET_PAGE_NUM( + LUT0_MEM_BLK_BASE_PG_NUM + (bna->port_num * 2), + RX_FNDB_RAM_BASE_OFFSET), + bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, + RX_FNDB_RAM_BASE_OFFSET); + + rx_fndb_ram = (struct bna_rx_fndb_ram *)0; + + /* We always use RSS table 0 */ + off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rss_prop; + writel(rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE, + base_addr + off); + + /* small large buffer enable/disable */ + off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].size_routing_props; + writel((rxf->ctrl_flags & BNA_RXF_CF_SM_LG_RXQ) | 0x80, + base_addr + off); + + /* RIT offset, HDS forced offset, multicast RxQ Id */ + off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rit_hds_mcastq; + writel((rxf->rit_segment->rit_offset << 16) | + (rxf->forced_offset << 8) | + (rxf->hds_cfg.hdr_type & BNA_HDS_FORCED) | rxf->mcast_rxq_id, + base_addr + off); + + /* + * default vlan tag, default function enable, strip vlan bytes, + * HDS type, header size + */ + + off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].control_flags; + writel(((u32)rxf->default_vlan_tag << 16) | + (rxf->ctrl_flags & + (BNA_RXF_CF_DEFAULT_VLAN | + BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE | + BNA_RXF_CF_VLAN_STRIP)) | + (rxf->hds_cfg.hdr_type & ~BNA_HDS_FORCED) | + rxf->hds_cfg.header_size, + base_addr + off); +} + +void +__rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status) +{ + struct bna *bna = rxf->rx->bna; + int i; + + writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + + (bna->port_num * 2), VLAN_RAM_BASE_OFFSET), + bna->regs.page_addr); + + if (status == BNA_STATUS_T_ENABLED) { + /* enable VLAN filtering on this function */ + for (i = 0; i <= BFI_MAX_VLAN / 32; i++) { + writel(rxf->vlan_filter_table[i], + BNA_GET_VLAN_MEM_ENTRY_ADDR + (bna->pcidev.pci_bar_kva, rxf->rxf_id, + i * 32)); + } + } else { + /* disable VLAN filtering on this function */ + for (i = 0; i <= BFI_MAX_VLAN / 32; i++) { + writel(0xffffffff, + BNA_GET_VLAN_MEM_ENTRY_ADDR + (bna->pcidev.pci_bar_kva, rxf->rxf_id, + i * 32)); + } + } +} + +static void +__rxf_rit_set(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + struct bna_rit_mem *rit_mem; + int i; + void __iomem *base_addr; + unsigned long off; + + base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, + FUNCTION_TO_RXQ_TRANSLATE); + + rit_mem = (struct bna_rit_mem *)0; + + writel(BNA_GET_PAGE_NUM(RXA0_MEM_BLK_BASE_PG_NUM + bna->port_num, + FUNCTION_TO_RXQ_TRANSLATE), + bna->regs.page_addr); + + for (i = 0; i < rxf->rit_segment->rit_size; i++) { + off = (unsigned long)&rit_mem[i + rxf->rit_segment->rit_offset]; + writel(rxf->rit_segment->rit[i].large_rxq_id << 6 | + rxf->rit_segment->rit[i].small_rxq_id, + base_addr + off); + } +} + +static void +__bna_rxf_stat_clr(struct bna_rxf *rxf) +{ + struct bfi_ll_stats_req ll_req; + u32 bm[2] = {0, 0}; + + if (rxf->rxf_id < 32) + bm[0] = 1 << rxf->rxf_id; + else + bm[1] = 1 << (rxf->rxf_id - 32); + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0); + ll_req.stats_mask = 0; + ll_req.txf_id_mask[0] = 0; + ll_req.txf_id_mask[1] = 0; + + ll_req.rxf_id_mask[0] = htonl(bm[0]); + ll_req.rxf_id_mask[1] = htonl(bm[1]); + + bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req), + bna_rxf_cb_stats_cleared, rxf); + bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); +} + +static void +rxf_enable(struct bna_rxf *rxf) +{ + if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) + bfa_fsm_send_event(rxf, RXF_E_STARTED); + else { + rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED; + __rxf_enable(rxf); + } +} + +static void +rxf_cb_enabled(void *arg, int status) +{ + struct bna_rxf *rxf = (struct bna_rxf *)arg; + + bfa_q_qe_init(&rxf->mbox_qe.qe); + bfa_fsm_send_event(rxf, RXF_E_STARTED); +} + +static void +rxf_disable(struct bna_rxf *rxf) +{ + if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) + bfa_fsm_send_event(rxf, RXF_E_STOPPED); + else + rxf->rxf_flags &= ~BNA_RXF_FL_RXF_ENABLED; + __rxf_disable(rxf); +} + +static void +rxf_cb_disabled(void *arg, int status) +{ + struct bna_rxf *rxf = (struct bna_rxf *)arg; + + bfa_q_qe_init(&rxf->mbox_qe.qe); + bfa_fsm_send_event(rxf, RXF_E_STOPPED); +} + +void +rxf_cb_cam_fltr_mbox_cmd(void *arg, int status) +{ + struct bna_rxf *rxf = (struct bna_rxf *)arg; + + bfa_q_qe_init(&rxf->mbox_qe.qe); + + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP); +} + +static void +bna_rxf_cb_stats_cleared(void *arg, int status) +{ + struct bna_rxf *rxf = (struct bna_rxf *)arg; + + bfa_q_qe_init(&rxf->mbox_qe.qe); + bfa_fsm_send_event(rxf, RXF_E_STAT_CLEARED); +} + +void +rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd, + const struct bna_mac *mac_addr) +{ + struct bfi_ll_mac_addr_req req; + + bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0); + + req.rxf_id = rxf->rxf_id; + memcpy(&req.mac_addr, (void *)&mac_addr->addr, ETH_ALEN); + + bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req), + rxf_cb_cam_fltr_mbox_cmd, rxf); + + bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe); +} + +static int +rxf_process_packet_filter_mcast(struct bna_rxf *rxf) +{ + struct bna_mac *mac = NULL; + struct list_head *qe; + + /* Add multicast entries */ + if (!list_empty(&rxf->mcast_pending_add_q)) { + bfa_q_deq(&rxf->mcast_pending_add_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_ADD_REQ, mac); + list_add_tail(&mac->qe, &rxf->mcast_active_q); + return 1; + } + + /* Delete multicast entries previousely added */ + if (!list_empty(&rxf->mcast_pending_del_q)) { + bfa_q_deq(&rxf->mcast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + return 1; + } + + return 0; +} + +static int +rxf_process_packet_filter_vlan(struct bna_rxf *rxf) +{ + /* Apply the VLAN filter */ + if (rxf->rxf_flags & BNA_RXF_FL_VLAN_CONFIG_PENDING) { + rxf->rxf_flags &= ~BNA_RXF_FL_VLAN_CONFIG_PENDING; + if (!(rxf->rxmode_active & BNA_RXMODE_PROMISC)) + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + } + + /* Apply RSS configuration */ + if (rxf->rxf_flags & BNA_RXF_FL_RSS_CONFIG_PENDING) { + rxf->rxf_flags &= ~BNA_RXF_FL_RSS_CONFIG_PENDING; + if (rxf->rss_status == BNA_STATUS_T_DISABLED) { + /* RSS is being disabled */ + rxf->ctrl_flags &= ~BNA_RXF_CF_RSS_ENABLE; + __rxf_rit_set(rxf); + __rxf_config_set(rxf); + } else { + /* RSS is being enabled or reconfigured */ + rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE; + __rxf_rit_set(rxf); + __rxf_config_set(rxf); + } + } + + return 0; +} + +/** + * Processes pending ucast, mcast entry addition/deletion and issues mailbox + * command. Also processes pending filter configuration - promiscuous mode, + * default mode, allmutli mode and issues mailbox command or directly applies + * to h/w + */ +static int +rxf_process_packet_filter(struct bna_rxf *rxf) +{ + /* Set the default MAC first */ + if (rxf->ucast_pending_set > 0) { + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_SET_REQ, + rxf->ucast_active_mac); + rxf->ucast_pending_set--; + return 1; + } + + if (rxf_process_packet_filter_ucast(rxf)) + return 1; + + if (rxf_process_packet_filter_mcast(rxf)) + return 1; + + if (rxf_process_packet_filter_promisc(rxf)) + return 1; + + if (rxf_process_packet_filter_allmulti(rxf)) + return 1; + + if (rxf_process_packet_filter_vlan(rxf)) + return 1; + + return 0; +} + +static int +rxf_clear_packet_filter_mcast(struct bna_rxf *rxf) +{ + struct bna_mac *mac = NULL; + struct list_head *qe; + + /* 3. delete pending mcast entries */ + if (!list_empty(&rxf->mcast_pending_del_q)) { + bfa_q_deq(&rxf->mcast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + return 1; + } + + /* 4. clear active mcast entries; move them to pending_add_q */ + if (!list_empty(&rxf->mcast_active_q)) { + bfa_q_deq(&rxf->mcast_active_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac); + list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); + return 1; + } + + return 0; +} + +/** + * In the rxf stop path, processes pending ucast/mcast delete queue and issues + * the mailbox command. Moves the active ucast/mcast entries to pending add q, + * so that they are added to CAM again in the rxf start path. Moves the current + * filter settings - promiscuous, default, allmutli - to pending filter + * configuration + */ +static int +rxf_clear_packet_filter(struct bna_rxf *rxf) +{ + if (rxf_clear_packet_filter_ucast(rxf)) + return 1; + + if (rxf_clear_packet_filter_mcast(rxf)) + return 1; + + /* 5. clear active default MAC in the CAM */ + if (rxf->ucast_pending_set > 0) + rxf->ucast_pending_set = 0; + + if (rxf_clear_packet_filter_promisc(rxf)) + return 1; + + if (rxf_clear_packet_filter_allmulti(rxf)) + return 1; + + return 0; +} + +static void +rxf_reset_packet_filter_mcast(struct bna_rxf *rxf) +{ + struct list_head *qe; + struct bna_mac *mac; + + /* 3. Move active mcast entries to pending_add_q */ + while (!list_empty(&rxf->mcast_active_q)) { + bfa_q_deq(&rxf->mcast_active_q, &qe); + bfa_q_qe_init(qe); + list_add_tail(qe, &rxf->mcast_pending_add_q); + } + + /* 4. Throw away delete pending mcast entries */ + while (!list_empty(&rxf->mcast_pending_del_q)) { + bfa_q_deq(&rxf->mcast_pending_del_q, &qe); + bfa_q_qe_init(qe); + mac = (struct bna_mac *)qe; + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + } +} + +/** + * In the rxf fail path, throws away the ucast/mcast entries pending for + * deletion, moves all active ucast/mcast entries to pending queue so that + * they are added back to CAM in the rxf start path. Also moves the current + * filter configuration to pending filter configuration. + */ +static void +rxf_reset_packet_filter(struct bna_rxf *rxf) +{ + rxf_reset_packet_filter_ucast(rxf); + + rxf_reset_packet_filter_mcast(rxf); + + /* 5. Turn off ucast set flag */ + rxf->ucast_pending_set = 0; + + rxf_reset_packet_filter_promisc(rxf); + + rxf_reset_packet_filter_allmulti(rxf); +} + +static void +bna_rxf_init(struct bna_rxf *rxf, + struct bna_rx *rx, + struct bna_rx_config *q_config) +{ + struct list_head *qe; + struct bna_rxp *rxp; + + /* rxf_id is initialized during rx_mod init */ + rxf->rx = rx; + + INIT_LIST_HEAD(&rxf->ucast_pending_add_q); + INIT_LIST_HEAD(&rxf->ucast_pending_del_q); + rxf->ucast_pending_set = 0; + INIT_LIST_HEAD(&rxf->ucast_active_q); + rxf->ucast_active_mac = NULL; + + INIT_LIST_HEAD(&rxf->mcast_pending_add_q); + INIT_LIST_HEAD(&rxf->mcast_pending_del_q); + INIT_LIST_HEAD(&rxf->mcast_active_q); + + bfa_q_qe_init(&rxf->mbox_qe.qe); + + if (q_config->vlan_strip_status == BNA_STATUS_T_ENABLED) + rxf->ctrl_flags |= BNA_RXF_CF_VLAN_STRIP; + + rxf->rxf_oper_state = (q_config->paused) ? + BNA_RXF_OPER_STATE_PAUSED : BNA_RXF_OPER_STATE_RUNNING; + + bna_rxf_adv_init(rxf, rx, q_config); + + rxf->rit_segment = bna_rit_mod_seg_get(&rxf->rx->bna->rit_mod, + q_config->num_paths); + + list_for_each(qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe; + if (q_config->rxp_type == BNA_RXP_SINGLE) + rxf->mcast_rxq_id = rxp->rxq.single.only->rxq_id; + else + rxf->mcast_rxq_id = rxp->rxq.slr.large->rxq_id; + break; + } + + rxf->vlan_filter_status = BNA_STATUS_T_DISABLED; + memset(rxf->vlan_filter_table, 0, + (sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32))); + + /* Set up VLAN 0 for pure priority tagged packets */ + rxf->vlan_filter_table[0] |= 1; + + bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); +} + +static void +bna_rxf_uninit(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + struct bna_mac *mac; + + bna_rit_mod_seg_put(&rxf->rx->bna->rit_mod, rxf->rit_segment); + rxf->rit_segment = NULL; + + rxf->ucast_pending_set = 0; + + while (!list_empty(&rxf->ucast_pending_add_q)) { + bfa_q_deq(&rxf->ucast_pending_add_q, &mac); + bfa_q_qe_init(&mac->qe); + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); + } + + if (rxf->ucast_active_mac) { + bfa_q_qe_init(&rxf->ucast_active_mac->qe); + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, + rxf->ucast_active_mac); + rxf->ucast_active_mac = NULL; + } + + while (!list_empty(&rxf->mcast_pending_add_q)) { + bfa_q_deq(&rxf->mcast_pending_add_q, &mac); + bfa_q_qe_init(&mac->qe); + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + } + + /* Turn off pending promisc mode */ + if (is_promisc_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* system promisc state should be pending */ + BUG_ON(!(bna->rxf_promisc_id == rxf->rxf_id)); + promisc_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + bna->rxf_promisc_id = BFI_MAX_RXF; + } + /* Promisc mode should not be active */ + BUG_ON(rxf->rxmode_active & BNA_RXMODE_PROMISC); + + /* Turn off pending all-multi mode */ + if (is_allmulti_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + allmulti_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + } + /* Allmulti mode should not be active */ + BUG_ON(rxf->rxmode_active & BNA_RXMODE_ALLMULTI); + + rxf->rx = NULL; +} + +static void +bna_rx_cb_rxf_started(struct bna_rx *rx, enum bna_cb_status status) +{ + bfa_fsm_send_event(rx, RX_E_RXF_STARTED); + if (rx->rxf.rxf_id < 32) + rx->bna->rx_mod.rxf_bmap[0] |= ((u32)1 << rx->rxf.rxf_id); + else + rx->bna->rx_mod.rxf_bmap[1] |= ((u32) + 1 << (rx->rxf.rxf_id - 32)); +} + +static void +bna_rxf_start(struct bna_rxf *rxf) +{ + rxf->start_cbfn = bna_rx_cb_rxf_started; + rxf->start_cbarg = rxf->rx; + rxf->rxf_flags &= ~BNA_RXF_FL_FAILED; + bfa_fsm_send_event(rxf, RXF_E_START); +} + +static void +bna_rx_cb_rxf_stopped(struct bna_rx *rx, enum bna_cb_status status) +{ + bfa_fsm_send_event(rx, RX_E_RXF_STOPPED); + if (rx->rxf.rxf_id < 32) + rx->bna->rx_mod.rxf_bmap[0] &= ~(u32)1 << rx->rxf.rxf_id; + else + rx->bna->rx_mod.rxf_bmap[1] &= ~(u32) + 1 << (rx->rxf.rxf_id - 32); +} + +static void +bna_rxf_stop(struct bna_rxf *rxf) +{ + rxf->stop_cbfn = bna_rx_cb_rxf_stopped; + rxf->stop_cbarg = rxf->rx; + bfa_fsm_send_event(rxf, RXF_E_STOP); +} + +static void +bna_rxf_fail(struct bna_rxf *rxf) +{ + rxf->rxf_flags |= BNA_RXF_FL_FAILED; + bfa_fsm_send_event(rxf, RXF_E_FAIL); +} + +int +bna_rxf_state_get(struct bna_rxf *rxf) +{ + return bfa_sm_to_state(rxf_sm_table, rxf->fsm); +} + +enum bna_cb_status +bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + + if (rxf->ucast_active_mac == NULL) { + rxf->ucast_active_mac = + bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod); + if (rxf->ucast_active_mac == NULL) + return BNA_CB_UCAST_CAM_FULL; + bfa_q_qe_init(&rxf->ucast_active_mac->qe); + } + + memcpy(rxf->ucast_active_mac->addr, ucmac, ETH_ALEN); + rxf->ucast_pending_set++; + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + + return BNA_CB_SUCCESS; +} + +enum bna_cb_status +bna_rx_mcast_add(struct bna_rx *rx, u8 *addr, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + struct list_head *qe; + struct bna_mac *mac; + + /* Check if already added */ + list_for_each(qe, &rxf->mcast_active_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + return BNA_CB_SUCCESS; + } + } + + /* Check if pending addition */ + list_for_each(qe, &rxf->mcast_pending_add_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + return BNA_CB_SUCCESS; + } + } + + mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod); + if (mac == NULL) + return BNA_CB_MCAST_LIST_FULL; + bfa_q_qe_init(&mac->qe); + memcpy(mac->addr, addr, ETH_ALEN); + list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); + + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + + return BNA_CB_SUCCESS; +} + +enum bna_cb_status +bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + struct list_head list_head; + struct list_head *qe; + u8 *mcaddr; + struct bna_mac *mac; + struct bna_mac *mac1; + int skip; + int delete; + int need_hw_config = 0; + int i; + + /* Allocate nodes */ + INIT_LIST_HEAD(&list_head); + for (i = 0, mcaddr = mclist; i < count; i++) { + mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod); + if (mac == NULL) + goto err_return; + bfa_q_qe_init(&mac->qe); + memcpy(mac->addr, mcaddr, ETH_ALEN); + list_add_tail(&mac->qe, &list_head); + + mcaddr += ETH_ALEN; + } + + /* Schedule for addition */ + while (!list_empty(&list_head)) { + bfa_q_deq(&list_head, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + + skip = 0; + + /* Skip if already added */ + list_for_each(qe, &rxf->mcast_active_q) { + mac1 = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) { + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, + mac); + skip = 1; + break; + } + } + + if (skip) + continue; + + /* Skip if pending addition */ + list_for_each(qe, &rxf->mcast_pending_add_q) { + mac1 = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) { + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, + mac); + skip = 1; + break; + } + } + + if (skip) + continue; + + need_hw_config = 1; + list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); + } + + /** + * Delete the entries that are in the pending_add_q but not + * in the new list + */ + while (!list_empty(&rxf->mcast_pending_add_q)) { + bfa_q_deq(&rxf->mcast_pending_add_q, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) { + if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) { + delete = 0; + break; + } + mcaddr += ETH_ALEN; + } + if (delete) + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + else + list_add_tail(&mac->qe, &list_head); + } + while (!list_empty(&list_head)) { + bfa_q_deq(&list_head, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); + } + + /** + * Schedule entries for deletion that are in the active_q but not + * in the new list + */ + while (!list_empty(&rxf->mcast_active_q)) { + bfa_q_deq(&rxf->mcast_active_q, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) { + if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) { + delete = 0; + break; + } + mcaddr += ETH_ALEN; + } + if (delete) { + list_add_tail(&mac->qe, &rxf->mcast_pending_del_q); + need_hw_config = 1; + } else { + list_add_tail(&mac->qe, &list_head); + } + } + while (!list_empty(&list_head)) { + bfa_q_deq(&list_head, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + list_add_tail(&mac->qe, &rxf->mcast_active_q); + } + + if (need_hw_config) { + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } else if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + + return BNA_CB_SUCCESS; + +err_return: + while (!list_empty(&list_head)) { + bfa_q_deq(&list_head, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + } + + return BNA_CB_MCAST_LIST_FULL; +} + +void +bna_rx_vlan_add(struct bna_rx *rx, int vlan_id) +{ + struct bna_rxf *rxf = &rx->rxf; + int index = (vlan_id >> 5); + int bit = (1 << (vlan_id & 0x1F)); + + rxf->vlan_filter_table[index] |= bit; + if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { + rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } +} + +void +bna_rx_vlan_del(struct bna_rx *rx, int vlan_id) +{ + struct bna_rxf *rxf = &rx->rxf; + int index = (vlan_id >> 5); + int bit = (1 << (vlan_id & 0x1F)); + + rxf->vlan_filter_table[index] &= ~bit; + if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { + rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } +} + +/** + * RX + */ +#define RXQ_RCB_INIT(q, rxp, qdepth, bna, _id, unmapq_mem) do { \ + struct bna_doorbell_qset *_qset; \ + unsigned long off; \ + (q)->rcb->producer_index = (q)->rcb->consumer_index = 0; \ + (q)->rcb->q_depth = (qdepth); \ + (q)->rcb->unmap_q = unmapq_mem; \ + (q)->rcb->rxq = (q); \ + (q)->rcb->cq = &(rxp)->cq; \ + (q)->rcb->bnad = (bna)->bnad; \ + _qset = (struct bna_doorbell_qset *)0; \ + off = (unsigned long)&_qset[(q)->rxq_id].rxq[0]; \ + (q)->rcb->q_dbell = off + \ + BNA_GET_DOORBELL_BASE_ADDR((bna)->pcidev.pci_bar_kva); \ + (q)->rcb->id = _id; \ +} while (0) + +#define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \ + (qcfg)->num_paths : ((qcfg)->num_paths * 2)) + +#define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\ + (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT)) + +#define call_rx_stop_callback(rx, status) \ + if ((rx)->stop_cbfn) { \ + (*(rx)->stop_cbfn)((rx)->stop_cbarg, rx, (status)); \ + (rx)->stop_cbfn = NULL; \ + (rx)->stop_cbarg = NULL; \ + } + +/* + * Since rx_enable is synchronous callback, there is no start_cbfn required. + * Instead, we'll call bnad_rx_post(rxp) so that bnad can post the buffers + * for each rxpath. + */ + +#define call_rx_disable_cbfn(rx, status) \ + if ((rx)->disable_cbfn) { \ + (*(rx)->disable_cbfn)((rx)->disable_cbarg, \ + status); \ + (rx)->disable_cbfn = NULL; \ + (rx)->disable_cbarg = NULL; \ + } \ + +#define rxqs_reqd(type, num_rxqs) \ + (((type) == BNA_RXP_SINGLE) ? (num_rxqs) : ((num_rxqs) * 2)) + +#define rx_ib_fail(rx) \ +do { \ + struct bna_rxp *rxp; \ + struct list_head *qe; \ + list_for_each(qe, &(rx)->rxp_q) { \ + rxp = (struct bna_rxp *)qe; \ + bna_ib_fail(rxp->cq.ib); \ + } \ +} while (0) + +static void __bna_multi_rxq_stop(struct bna_rxp *, u32 *); +static void __bna_rxq_start(struct bna_rxq *rxq); +static void __bna_cq_start(struct bna_cq *cq); +static void bna_rit_create(struct bna_rx *rx); +static void bna_rx_cb_multi_rxq_stopped(void *arg, int status); +static void bna_rx_cb_rxq_stopped_all(void *arg); + +bfa_fsm_state_decl(bna_rx, stopped, + struct bna_rx, enum bna_rx_event); +bfa_fsm_state_decl(bna_rx, rxf_start_wait, + struct bna_rx, enum bna_rx_event); +bfa_fsm_state_decl(bna_rx, started, + struct bna_rx, enum bna_rx_event); +bfa_fsm_state_decl(bna_rx, rxf_stop_wait, + struct bna_rx, enum bna_rx_event); +bfa_fsm_state_decl(bna_rx, rxq_stop_wait, + struct bna_rx, enum bna_rx_event); + +static const struct bfa_sm_table rx_sm_table[] = { + {BFA_SM(bna_rx_sm_stopped), BNA_RX_STOPPED}, + {BFA_SM(bna_rx_sm_rxf_start_wait), BNA_RX_RXF_START_WAIT}, + {BFA_SM(bna_rx_sm_started), BNA_RX_STARTED}, + {BFA_SM(bna_rx_sm_rxf_stop_wait), BNA_RX_RXF_STOP_WAIT}, + {BFA_SM(bna_rx_sm_rxq_stop_wait), BNA_RX_RXQ_STOP_WAIT}, +}; + +static void bna_rx_sm_stopped_entry(struct bna_rx *rx) +{ + struct bna_rxp *rxp; + struct list_head *qe_rxp; + + list_for_each(qe_rxp, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe_rxp; + rx->rx_cleanup_cbfn(rx->bna->bnad, rxp->cq.ccb); + } + + call_rx_stop_callback(rx, BNA_CB_SUCCESS); +} + +static void bna_rx_sm_stopped(struct bna_rx *rx, + enum bna_rx_event event) +{ + switch (event) { + case RX_E_START: + bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait); + break; + case RX_E_STOP: + call_rx_stop_callback(rx, BNA_CB_SUCCESS); + break; + case RX_E_FAIL: + /* no-op */ + break; + default: + bfa_sm_fault(event); + break; + } + +} + +static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx) +{ + struct bna_rxp *rxp; + struct list_head *qe_rxp; + struct bna_rxq *q0 = NULL, *q1 = NULL; + + /* Setup the RIT */ + bna_rit_create(rx); + + list_for_each(qe_rxp, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe_rxp; + bna_ib_start(rxp->cq.ib); + GET_RXQS(rxp, q0, q1); + q0->buffer_size = bna_port_mtu_get(&rx->bna->port); + __bna_rxq_start(q0); + rx->rx_post_cbfn(rx->bna->bnad, q0->rcb); + if (q1) { + __bna_rxq_start(q1); + rx->rx_post_cbfn(rx->bna->bnad, q1->rcb); + } + __bna_cq_start(&rxp->cq); + } + + bna_rxf_start(&rx->rxf); +} + +static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx, + enum bna_rx_event event) +{ + switch (event) { + case RX_E_STOP: + bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); + break; + case RX_E_FAIL: + bfa_fsm_set_state(rx, bna_rx_sm_stopped); + rx_ib_fail(rx); + bna_rxf_fail(&rx->rxf); + break; + case RX_E_RXF_STARTED: + bfa_fsm_set_state(rx, bna_rx_sm_started); + break; + default: + bfa_sm_fault(event); + break; + } +} + +void +bna_rx_sm_started_entry(struct bna_rx *rx) +{ + struct bna_rxp *rxp; + struct list_head *qe_rxp; + + /* Start IB */ + list_for_each(qe_rxp, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe_rxp; + bna_ib_ack(&rxp->cq.ib->door_bell, 0); + } + + bna_llport_rx_started(&rx->bna->port.llport); +} + +void +bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event) +{ + switch (event) { + case RX_E_FAIL: + bna_llport_rx_stopped(&rx->bna->port.llport); + bfa_fsm_set_state(rx, bna_rx_sm_stopped); + rx_ib_fail(rx); + bna_rxf_fail(&rx->rxf); + break; + case RX_E_STOP: + bna_llport_rx_stopped(&rx->bna->port.llport); + bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); + break; + default: + bfa_sm_fault(event); + break; + } +} + +void +bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx) +{ + bna_rxf_stop(&rx->rxf); +} + +void +bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event) +{ + switch (event) { + case RX_E_RXF_STOPPED: + bfa_fsm_set_state(rx, bna_rx_sm_rxq_stop_wait); + break; + case RX_E_RXF_STARTED: + /** + * RxF was in the process of starting up when + * RXF_E_STOP was issued. Ignore this event + */ + break; + case RX_E_FAIL: + bfa_fsm_set_state(rx, bna_rx_sm_stopped); + rx_ib_fail(rx); + bna_rxf_fail(&rx->rxf); + break; + default: + bfa_sm_fault(event); + break; + } + +} + +void +bna_rx_sm_rxq_stop_wait_entry(struct bna_rx *rx) +{ + struct bna_rxp *rxp = NULL; + struct bna_rxq *q0 = NULL; + struct bna_rxq *q1 = NULL; + struct list_head *qe; + u32 rxq_mask[2] = {0, 0}; + + /* Only one call to multi-rxq-stop for all RXPs in this RX */ + bfa_wc_up(&rx->rxq_stop_wc); + list_for_each(qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe; + GET_RXQS(rxp, q0, q1); + if (q0->rxq_id < 32) + rxq_mask[0] |= ((u32)1 << q0->rxq_id); + else + rxq_mask[1] |= ((u32)1 << (q0->rxq_id - 32)); + if (q1) { + if (q1->rxq_id < 32) + rxq_mask[0] |= ((u32)1 << q1->rxq_id); + else + rxq_mask[1] |= ((u32) + 1 << (q1->rxq_id - 32)); + } + } + + __bna_multi_rxq_stop(rxp, rxq_mask); +} + +void +bna_rx_sm_rxq_stop_wait(struct bna_rx *rx, enum bna_rx_event event) +{ + struct bna_rxp *rxp = NULL; + struct list_head *qe; + + switch (event) { + case RX_E_RXQ_STOPPED: + list_for_each(qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe; + bna_ib_stop(rxp->cq.ib); + } + /* Fall through */ + case RX_E_FAIL: + bfa_fsm_set_state(rx, bna_rx_sm_stopped); + break; + default: + bfa_sm_fault(event); + break; + } +} + +void +__bna_multi_rxq_stop(struct bna_rxp *rxp, u32 * rxq_id_mask) +{ + struct bfi_ll_q_stop_req ll_req; + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RXQ_STOP_REQ, 0); + ll_req.q_id_mask[0] = htonl(rxq_id_mask[0]); + ll_req.q_id_mask[1] = htonl(rxq_id_mask[1]); + bna_mbox_qe_fill(&rxp->mbox_qe, &ll_req, sizeof(ll_req), + bna_rx_cb_multi_rxq_stopped, rxp); + bna_mbox_send(rxp->rx->bna, &rxp->mbox_qe); +} + +void +__bna_rxq_start(struct bna_rxq *rxq) +{ + struct bna_rxtx_q_mem *q_mem; + struct bna_rxq_mem rxq_cfg, *rxq_mem; + struct bna_dma_addr cur_q_addr; + /* struct bna_doorbell_qset *qset; */ + struct bna_qpt *qpt; + u32 pg_num; + struct bna *bna = rxq->rx->bna; + void __iomem *base_addr; + unsigned long off; + + qpt = &rxq->qpt; + cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr)); + + rxq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb; + rxq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb; + rxq_cfg.cur_q_entry_lo = cur_q_addr.lsb; + rxq_cfg.cur_q_entry_hi = cur_q_addr.msb; + + rxq_cfg.pg_cnt_n_prd_ptr = ((u32)qpt->page_count << 16) | 0x0; + rxq_cfg.entry_n_pg_size = ((u32)(BFI_RXQ_WI_SIZE >> 2) << 16) | + (qpt->page_size >> 2); + rxq_cfg.sg_n_cq_n_cns_ptr = + ((u32)(rxq->rxp->cq.cq_id & 0xff) << 16) | 0x0; + rxq_cfg.buf_sz_n_q_state = ((u32)rxq->buffer_size << 16) | + BNA_Q_IDLE_STATE; + rxq_cfg.next_qid = 0x0 | (0x3 << 8); + + /* Write the page number register */ + pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num, + HQM_RXTX_Q_RAM_BASE_OFFSET); + writel(pg_num, bna->regs.page_addr); + + /* Write to h/w */ + base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, + HQM_RXTX_Q_RAM_BASE_OFFSET); + + q_mem = (struct bna_rxtx_q_mem *)0; + rxq_mem = &q_mem[rxq->rxq_id].rxq; + + off = (unsigned long)&rxq_mem->pg_tbl_addr_lo; + writel(htonl(rxq_cfg.pg_tbl_addr_lo), base_addr + off); + + off = (unsigned long)&rxq_mem->pg_tbl_addr_hi; + writel(htonl(rxq_cfg.pg_tbl_addr_hi), base_addr + off); + + off = (unsigned long)&rxq_mem->cur_q_entry_lo; + writel(htonl(rxq_cfg.cur_q_entry_lo), base_addr + off); + + off = (unsigned long)&rxq_mem->cur_q_entry_hi; + writel(htonl(rxq_cfg.cur_q_entry_hi), base_addr + off); + + off = (unsigned long)&rxq_mem->pg_cnt_n_prd_ptr; + writel(rxq_cfg.pg_cnt_n_prd_ptr, base_addr + off); + + off = (unsigned long)&rxq_mem->entry_n_pg_size; + writel(rxq_cfg.entry_n_pg_size, base_addr + off); + + off = (unsigned long)&rxq_mem->sg_n_cq_n_cns_ptr; + writel(rxq_cfg.sg_n_cq_n_cns_ptr, base_addr + off); + + off = (unsigned long)&rxq_mem->buf_sz_n_q_state; + writel(rxq_cfg.buf_sz_n_q_state, base_addr + off); + + off = (unsigned long)&rxq_mem->next_qid; + writel(rxq_cfg.next_qid, base_addr + off); + + rxq->rcb->producer_index = 0; + rxq->rcb->consumer_index = 0; +} + +void +__bna_cq_start(struct bna_cq *cq) +{ + struct bna_cq_mem cq_cfg, *cq_mem; + const struct bna_qpt *qpt; + struct bna_dma_addr cur_q_addr; + u32 pg_num; + struct bna *bna = cq->rx->bna; + void __iomem *base_addr; + unsigned long off; + + qpt = &cq->qpt; + cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr)); + + /* + * Fill out structure, to be subsequently written + * to hardware + */ + cq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb; + cq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb; + cq_cfg.cur_q_entry_lo = cur_q_addr.lsb; + cq_cfg.cur_q_entry_hi = cur_q_addr.msb; + + cq_cfg.pg_cnt_n_prd_ptr = (qpt->page_count << 16) | 0x0; + cq_cfg.entry_n_pg_size = + ((u32)(BFI_CQ_WI_SIZE >> 2) << 16) | (qpt->page_size >> 2); + cq_cfg.int_blk_n_cns_ptr = ((((u32)cq->ib_seg_offset) << 24) | + ((u32)(cq->ib->ib_id & 0xff) << 16) | 0x0); + cq_cfg.q_state = BNA_Q_IDLE_STATE; + + /* Write the page number register */ + pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num, + HQM_CQ_RAM_BASE_OFFSET); + + writel(pg_num, bna->regs.page_addr); + + /* H/W write */ + base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva, + HQM_CQ_RAM_BASE_OFFSET); + + cq_mem = (struct bna_cq_mem *)0; + + off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_lo; + writel(htonl(cq_cfg.pg_tbl_addr_lo), base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_hi; + writel(htonl(cq_cfg.pg_tbl_addr_hi), base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_lo; + writel(htonl(cq_cfg.cur_q_entry_lo), base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_hi; + writel(htonl(cq_cfg.cur_q_entry_hi), base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].pg_cnt_n_prd_ptr; + writel(cq_cfg.pg_cnt_n_prd_ptr, base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].entry_n_pg_size; + writel(cq_cfg.entry_n_pg_size, base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].int_blk_n_cns_ptr; + writel(cq_cfg.int_blk_n_cns_ptr, base_addr + off); + + off = (unsigned long)&cq_mem[cq->cq_id].q_state; + writel(cq_cfg.q_state, base_addr + off); + + cq->ccb->producer_index = 0; + *(cq->ccb->hw_producer_index) = 0; +} + +void +bna_rit_create(struct bna_rx *rx) +{ + struct list_head *qe_rxp; + struct bna_rxp *rxp; + struct bna_rxq *q0 = NULL; + struct bna_rxq *q1 = NULL; + int offset; + + offset = 0; + list_for_each(qe_rxp, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe_rxp; + GET_RXQS(rxp, q0, q1); + rx->rxf.rit_segment->rit[offset].large_rxq_id = q0->rxq_id; + rx->rxf.rit_segment->rit[offset].small_rxq_id = + (q1 ? q1->rxq_id : 0); + offset++; + } +} + +static int +_rx_can_satisfy(struct bna_rx_mod *rx_mod, + struct bna_rx_config *rx_cfg) +{ + if ((rx_mod->rx_free_count == 0) || + (rx_mod->rxp_free_count == 0) || + (rx_mod->rxq_free_count == 0)) + return 0; + + if (rx_cfg->rxp_type == BNA_RXP_SINGLE) { + if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || + (rx_mod->rxq_free_count < rx_cfg->num_paths)) + return 0; + } else { + if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || + (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths))) + return 0; + } + + if (!bna_rit_mod_can_satisfy(&rx_mod->bna->rit_mod, rx_cfg->num_paths)) + return 0; + + return 1; +} + +static struct bna_rxq * +_get_free_rxq(struct bna_rx_mod *rx_mod) +{ + struct bna_rxq *rxq = NULL; + struct list_head *qe = NULL; + + bfa_q_deq(&rx_mod->rxq_free_q, &qe); + if (qe) { + rx_mod->rxq_free_count--; + rxq = (struct bna_rxq *)qe; + } + return rxq; +} + +static void +_put_free_rxq(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq) +{ + bfa_q_qe_init(&rxq->qe); + list_add_tail(&rxq->qe, &rx_mod->rxq_free_q); + rx_mod->rxq_free_count++; +} + +static struct bna_rxp * +_get_free_rxp(struct bna_rx_mod *rx_mod) +{ + struct list_head *qe = NULL; + struct bna_rxp *rxp = NULL; + + bfa_q_deq(&rx_mod->rxp_free_q, &qe); + if (qe) { + rx_mod->rxp_free_count--; + + rxp = (struct bna_rxp *)qe; + } + + return rxp; +} + +static void +_put_free_rxp(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp) +{ + bfa_q_qe_init(&rxp->qe); + list_add_tail(&rxp->qe, &rx_mod->rxp_free_q); + rx_mod->rxp_free_count++; +} + +static struct bna_rx * +_get_free_rx(struct bna_rx_mod *rx_mod) +{ + struct list_head *qe = NULL; + struct bna_rx *rx = NULL; + + bfa_q_deq(&rx_mod->rx_free_q, &qe); + if (qe) { + rx_mod->rx_free_count--; + + rx = (struct bna_rx *)qe; + bfa_q_qe_init(qe); + list_add_tail(&rx->qe, &rx_mod->rx_active_q); + } + + return rx; +} + +static void +_put_free_rx(struct bna_rx_mod *rx_mod, struct bna_rx *rx) +{ + bfa_q_qe_init(&rx->qe); + list_add_tail(&rx->qe, &rx_mod->rx_free_q); + rx_mod->rx_free_count++; +} + +static void +_rx_init(struct bna_rx *rx, struct bna *bna) +{ + rx->bna = bna; + rx->rx_flags = 0; + + INIT_LIST_HEAD(&rx->rxp_q); + + rx->rxq_stop_wc.wc_resume = bna_rx_cb_rxq_stopped_all; + rx->rxq_stop_wc.wc_cbarg = rx; + rx->rxq_stop_wc.wc_count = 0; + + rx->stop_cbfn = NULL; + rx->stop_cbarg = NULL; +} + +static void +_rxp_add_rxqs(struct bna_rxp *rxp, + struct bna_rxq *q0, + struct bna_rxq *q1) +{ + switch (rxp->type) { + case BNA_RXP_SINGLE: + rxp->rxq.single.only = q0; + rxp->rxq.single.reserved = NULL; + break; + case BNA_RXP_SLR: + rxp->rxq.slr.large = q0; + rxp->rxq.slr.small = q1; + break; + case BNA_RXP_HDS: + rxp->rxq.hds.data = q0; + rxp->rxq.hds.hdr = q1; + break; + default: + break; + } +} + +static void +_rxq_qpt_init(struct bna_rxq *rxq, + struct bna_rxp *rxp, + u32 page_count, + u32 page_size, + struct bna_mem_descr *qpt_mem, + struct bna_mem_descr *swqpt_mem, + struct bna_mem_descr *page_mem) +{ + int i; + + rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; + rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; + rxq->qpt.kv_qpt_ptr = qpt_mem->kva; + rxq->qpt.page_count = page_count; + rxq->qpt.page_size = page_size; + + rxq->rcb->sw_qpt = (void **) swqpt_mem->kva; + + for (i = 0; i < rxq->qpt.page_count; i++) { + rxq->rcb->sw_qpt[i] = page_mem[i].kva; + ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb = + page_mem[i].dma.lsb; + ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb = + page_mem[i].dma.msb; + + } +} + +static void +_rxp_cqpt_setup(struct bna_rxp *rxp, + u32 page_count, + u32 page_size, + struct bna_mem_descr *qpt_mem, + struct bna_mem_descr *swqpt_mem, + struct bna_mem_descr *page_mem) +{ + int i; + + rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; + rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; + rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva; + rxp->cq.qpt.page_count = page_count; + rxp->cq.qpt.page_size = page_size; + + rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva; + + for (i = 0; i < rxp->cq.qpt.page_count; i++) { + rxp->cq.ccb->sw_qpt[i] = page_mem[i].kva; + + ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb = + page_mem[i].dma.lsb; + ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb = + page_mem[i].dma.msb; + + } +} + +static void +_rx_add_rxp(struct bna_rx *rx, struct bna_rxp *rxp) +{ + list_add_tail(&rxp->qe, &rx->rxp_q); +} + +static void +_init_rxmod_queues(struct bna_rx_mod *rx_mod) +{ + INIT_LIST_HEAD(&rx_mod->rx_free_q); + INIT_LIST_HEAD(&rx_mod->rxq_free_q); + INIT_LIST_HEAD(&rx_mod->rxp_free_q); + INIT_LIST_HEAD(&rx_mod->rx_active_q); + + rx_mod->rx_free_count = 0; + rx_mod->rxq_free_count = 0; + rx_mod->rxp_free_count = 0; +} + +static void +_rx_ctor(struct bna_rx *rx, int id) +{ + bfa_q_qe_init(&rx->qe); + INIT_LIST_HEAD(&rx->rxp_q); + rx->bna = NULL; + + rx->rxf.rxf_id = id; + + /* FIXME: mbox_qe ctor()?? */ + bfa_q_qe_init(&rx->mbox_qe.qe); + + rx->stop_cbfn = NULL; + rx->stop_cbarg = NULL; +} + +void +bna_rx_cb_multi_rxq_stopped(void *arg, int status) +{ + struct bna_rxp *rxp = (struct bna_rxp *)arg; + + bfa_wc_down(&rxp->rx->rxq_stop_wc); +} + +void +bna_rx_cb_rxq_stopped_all(void *arg) +{ + struct bna_rx *rx = (struct bna_rx *)arg; + + bfa_fsm_send_event(rx, RX_E_RXQ_STOPPED); +} + +static void +bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx, + enum bna_cb_status status) +{ + struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; + + bfa_wc_down(&rx_mod->rx_stop_wc); +} + +static void +bna_rx_mod_cb_rx_stopped_all(void *arg) +{ + struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; + + if (rx_mod->stop_cbfn) + rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS); + rx_mod->stop_cbfn = NULL; +} + +static void +bna_rx_start(struct bna_rx *rx) +{ + rx->rx_flags |= BNA_RX_F_PORT_ENABLED; + if (rx->rx_flags & BNA_RX_F_ENABLE) + bfa_fsm_send_event(rx, RX_E_START); +} + +static void +bna_rx_stop(struct bna_rx *rx) +{ + rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED; + if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped) + bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx, BNA_CB_SUCCESS); + else { + rx->stop_cbfn = bna_rx_mod_cb_rx_stopped; + rx->stop_cbarg = &rx->bna->rx_mod; + bfa_fsm_send_event(rx, RX_E_STOP); + } +} + +static void +bna_rx_fail(struct bna_rx *rx) +{ + /* Indicate port is not enabled, and failed */ + rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED; + rx->rx_flags |= BNA_RX_F_PORT_FAILED; + bfa_fsm_send_event(rx, RX_E_FAIL); +} + +void +bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type) +{ + struct bna_rx *rx; + struct list_head *qe; + + rx_mod->flags |= BNA_RX_MOD_F_PORT_STARTED; + if (type == BNA_RX_T_LOOPBACK) + rx_mod->flags |= BNA_RX_MOD_F_PORT_LOOPBACK; + + list_for_each(qe, &rx_mod->rx_active_q) { + rx = (struct bna_rx *)qe; + if (rx->type == type) + bna_rx_start(rx); + } +} + +void +bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type) +{ + struct bna_rx *rx; + struct list_head *qe; + + rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED; + rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK; + + rx_mod->stop_cbfn = bna_port_cb_rx_stopped; + + /** + * Before calling bna_rx_stop(), increment rx_stop_wc as many times + * as we are going to call bna_rx_stop + */ + list_for_each(qe, &rx_mod->rx_active_q) { + rx = (struct bna_rx *)qe; + if (rx->type == type) + bfa_wc_up(&rx_mod->rx_stop_wc); + } + + if (rx_mod->rx_stop_wc.wc_count == 0) { + rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS); + rx_mod->stop_cbfn = NULL; + return; + } + + list_for_each(qe, &rx_mod->rx_active_q) { + rx = (struct bna_rx *)qe; + if (rx->type == type) + bna_rx_stop(rx); + } +} + +void +bna_rx_mod_fail(struct bna_rx_mod *rx_mod) +{ + struct bna_rx *rx; + struct list_head *qe; + + rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED; + rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK; + + list_for_each(qe, &rx_mod->rx_active_q) { + rx = (struct bna_rx *)qe; + bna_rx_fail(rx); + } +} + +void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna, + struct bna_res_info *res_info) +{ + int index; + struct bna_rx *rx_ptr; + struct bna_rxp *rxp_ptr; + struct bna_rxq *rxq_ptr; + + rx_mod->bna = bna; + rx_mod->flags = 0; + + rx_mod->rx = (struct bna_rx *) + res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva; + rx_mod->rxp = (struct bna_rxp *) + res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva; + rx_mod->rxq = (struct bna_rxq *) + res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva; + + /* Initialize the queues */ + _init_rxmod_queues(rx_mod); + + /* Build RX queues */ + for (index = 0; index < BFI_MAX_RXQ; index++) { + rx_ptr = &rx_mod->rx[index]; + _rx_ctor(rx_ptr, index); + list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q); + rx_mod->rx_free_count++; + } + + /* build RX-path queue */ + for (index = 0; index < BFI_MAX_RXQ; index++) { + rxp_ptr = &rx_mod->rxp[index]; + rxp_ptr->cq.cq_id = index; + bfa_q_qe_init(&rxp_ptr->qe); + list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q); + rx_mod->rxp_free_count++; + } + + /* build RXQ queue */ + for (index = 0; index < BFI_MAX_RXQ; index++) { + rxq_ptr = &rx_mod->rxq[index]; + rxq_ptr->rxq_id = index; + + bfa_q_qe_init(&rxq_ptr->qe); + list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q); + rx_mod->rxq_free_count++; + } + + rx_mod->rx_stop_wc.wc_resume = bna_rx_mod_cb_rx_stopped_all; + rx_mod->rx_stop_wc.wc_cbarg = rx_mod; + rx_mod->rx_stop_wc.wc_count = 0; +} + +void +bna_rx_mod_uninit(struct bna_rx_mod *rx_mod) +{ + struct list_head *qe; + int i; + + i = 0; + list_for_each(qe, &rx_mod->rx_free_q) + i++; + + i = 0; + list_for_each(qe, &rx_mod->rxp_free_q) + i++; + + i = 0; + list_for_each(qe, &rx_mod->rxq_free_q) + i++; + + rx_mod->bna = NULL; +} + +int +bna_rx_state_get(struct bna_rx *rx) +{ + return bfa_sm_to_state(rx_sm_table, rx->fsm); +} + +void +bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info) +{ + u32 cq_size, hq_size, dq_size; + u32 cpage_count, hpage_count, dpage_count; + struct bna_mem_info *mem_info; + u32 cq_depth; + u32 hq_depth; + u32 dq_depth; + + dq_depth = q_cfg->q_depth; + hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth); + cq_depth = dq_depth + hq_depth; + + BNA_TO_POWER_OF_2_HIGH(cq_depth); + cq_size = cq_depth * BFI_CQ_WI_SIZE; + cq_size = ALIGN(cq_size, PAGE_SIZE); + cpage_count = SIZE_TO_PAGES(cq_size); + + BNA_TO_POWER_OF_2_HIGH(dq_depth); + dq_size = dq_depth * BFI_RXQ_WI_SIZE; + dq_size = ALIGN(dq_size, PAGE_SIZE); + dpage_count = SIZE_TO_PAGES(dq_size); + + if (BNA_RXP_SINGLE != q_cfg->rxp_type) { + BNA_TO_POWER_OF_2_HIGH(hq_depth); + hq_size = hq_depth * BFI_RXQ_WI_SIZE; + hq_size = ALIGN(hq_size, PAGE_SIZE); + hpage_count = SIZE_TO_PAGES(hq_size); + } else { + hpage_count = 0; + } + + /* CCB structures */ + res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = sizeof(struct bna_ccb); + mem_info->num = q_cfg->num_paths; + + /* RCB structures */ + res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = sizeof(struct bna_rcb); + mem_info->num = BNA_GET_RXQS(q_cfg); + + /* Completion QPT */ + res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = cpage_count * sizeof(struct bna_dma_addr); + mem_info->num = q_cfg->num_paths; + + /* Completion s/w QPT */ + res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = cpage_count * sizeof(void *); + mem_info->num = q_cfg->num_paths; + + /* Completion QPT pages */ + res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = PAGE_SIZE; + mem_info->num = cpage_count * q_cfg->num_paths; + + /* Data QPTs */ + res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = dpage_count * sizeof(struct bna_dma_addr); + mem_info->num = q_cfg->num_paths; + + /* Data s/w QPTs */ + res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = dpage_count * sizeof(void *); + mem_info->num = q_cfg->num_paths; + + /* Data QPT pages */ + res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = PAGE_SIZE; + mem_info->num = dpage_count * q_cfg->num_paths; + + /* Hdr QPTs */ + res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = hpage_count * sizeof(struct bna_dma_addr); + mem_info->num = (hpage_count ? q_cfg->num_paths : 0); + + /* Hdr s/w QPTs */ + res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = hpage_count * sizeof(void *); + mem_info->num = (hpage_count ? q_cfg->num_paths : 0); + + /* Hdr QPT pages */ + res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = (hpage_count ? PAGE_SIZE : 0); + mem_info->num = (hpage_count ? (hpage_count * q_cfg->num_paths) : 0); + + /* RX Interrupts */ + res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR; + res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX; + res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths; +} + +struct bna_rx * +bna_rx_create(struct bna *bna, struct bnad *bnad, + struct bna_rx_config *rx_cfg, + struct bna_rx_event_cbfn *rx_cbfn, + struct bna_res_info *res_info, + void *priv) +{ + struct bna_rx_mod *rx_mod = &bna->rx_mod; + struct bna_rx *rx; + struct bna_rxp *rxp; + struct bna_rxq *q0; + struct bna_rxq *q1; + struct bna_intr_info *intr_info; + u32 page_count; + struct bna_mem_descr *ccb_mem; + struct bna_mem_descr *rcb_mem; + struct bna_mem_descr *unmapq_mem; + struct bna_mem_descr *cqpt_mem; + struct bna_mem_descr *cswqpt_mem; + struct bna_mem_descr *cpage_mem; + struct bna_mem_descr *hqpt_mem; /* Header/Small Q qpt */ + struct bna_mem_descr *dqpt_mem; /* Data/Large Q qpt */ + struct bna_mem_descr *hsqpt_mem; /* s/w qpt for hdr */ + struct bna_mem_descr *dsqpt_mem; /* s/w qpt for data */ + struct bna_mem_descr *hpage_mem; /* hdr page mem */ + struct bna_mem_descr *dpage_mem; /* data page mem */ + int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0; + int dpage_count, hpage_count, rcb_idx; + struct bna_ib_config ibcfg; + /* Fail if we don't have enough RXPs, RXQs */ + if (!_rx_can_satisfy(rx_mod, rx_cfg)) + return NULL; + + /* Initialize resource pointers */ + intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info; + ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0]; + rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0]; + unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[0]; + cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0]; + cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0]; + cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0]; + hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0]; + dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0]; + hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0]; + dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0]; + hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0]; + dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0]; + + /* Compute q depth & page count */ + page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.num / + rx_cfg->num_paths; + + dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num / + rx_cfg->num_paths; + + hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num / + rx_cfg->num_paths; + /* Get RX pointer */ + rx = _get_free_rx(rx_mod); + _rx_init(rx, bna); + rx->priv = priv; + rx->type = rx_cfg->rx_type; + + rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn; + rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn; + rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn; + rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn; + /* Following callbacks are mandatory */ + rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn; + rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn; + + if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_STARTED) { + switch (rx->type) { + case BNA_RX_T_REGULAR: + if (!(rx->bna->rx_mod.flags & + BNA_RX_MOD_F_PORT_LOOPBACK)) + rx->rx_flags |= BNA_RX_F_PORT_ENABLED; + break; + case BNA_RX_T_LOOPBACK: + if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_LOOPBACK) + rx->rx_flags |= BNA_RX_F_PORT_ENABLED; + break; + } + } + + for (i = 0, rcb_idx = 0; i < rx_cfg->num_paths; i++) { + rxp = _get_free_rxp(rx_mod); + rxp->type = rx_cfg->rxp_type; + rxp->rx = rx; + rxp->cq.rx = rx; + + /* Get required RXQs, and queue them to rx-path */ + q0 = _get_free_rxq(rx_mod); + if (BNA_RXP_SINGLE == rx_cfg->rxp_type) + q1 = NULL; + else + q1 = _get_free_rxq(rx_mod); + + /* Initialize IB */ + if (1 == intr_info->num) { + rxp->cq.ib = bna_ib_get(&bna->ib_mod, + intr_info->intr_type, + intr_info->idl[0].vector); + rxp->vector = intr_info->idl[0].vector; + } else { + rxp->cq.ib = bna_ib_get(&bna->ib_mod, + intr_info->intr_type, + intr_info->idl[i].vector); + + /* Map the MSI-x vector used for this RXP */ + rxp->vector = intr_info->idl[i].vector; + } + + rxp->cq.ib_seg_offset = bna_ib_reserve_idx(rxp->cq.ib); + + ibcfg.coalescing_timeo = BFI_RX_COALESCING_TIMEO; + ibcfg.interpkt_count = BFI_RX_INTERPKT_COUNT; + ibcfg.interpkt_timeo = BFI_RX_INTERPKT_TIMEO; + ibcfg.ctrl_flags = BFI_IB_CF_INT_ENABLE; + + bna_ib_config(rxp->cq.ib, &ibcfg); + + /* Link rxqs to rxp */ + _rxp_add_rxqs(rxp, q0, q1); + + /* Link rxp to rx */ + _rx_add_rxp(rx, rxp); + + q0->rx = rx; + q0->rxp = rxp; + + /* Initialize RCB for the large / data q */ + q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; + RXQ_RCB_INIT(q0, rxp, rx_cfg->q_depth, bna, 0, + (void *)unmapq_mem[rcb_idx].kva); + rcb_idx++; + (q0)->rx_packets = (q0)->rx_bytes = 0; + (q0)->rx_packets_with_error = (q0)->rxbuf_alloc_failed = 0; + + /* Initialize RXQs */ + _rxq_qpt_init(q0, rxp, dpage_count, PAGE_SIZE, + &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]); + q0->rcb->page_idx = dpage_idx; + q0->rcb->page_count = dpage_count; + dpage_idx += dpage_count; + + /* Call bnad to complete rcb setup */ + if (rx->rcb_setup_cbfn) + rx->rcb_setup_cbfn(bnad, q0->rcb); + + if (q1) { + q1->rx = rx; + q1->rxp = rxp; + + q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; + RXQ_RCB_INIT(q1, rxp, rx_cfg->q_depth, bna, 1, + (void *)unmapq_mem[rcb_idx].kva); + rcb_idx++; + (q1)->buffer_size = (rx_cfg)->small_buff_size; + (q1)->rx_packets = (q1)->rx_bytes = 0; + (q1)->rx_packets_with_error = + (q1)->rxbuf_alloc_failed = 0; + + _rxq_qpt_init(q1, rxp, hpage_count, PAGE_SIZE, + &hqpt_mem[i], &hsqpt_mem[i], + &hpage_mem[hpage_idx]); + q1->rcb->page_idx = hpage_idx; + q1->rcb->page_count = hpage_count; + hpage_idx += hpage_count; + + /* Call bnad to complete rcb setup */ + if (rx->rcb_setup_cbfn) + rx->rcb_setup_cbfn(bnad, q1->rcb); + } + /* Setup RXP::CQ */ + rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva; + _rxp_cqpt_setup(rxp, page_count, PAGE_SIZE, + &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[cpage_idx]); + rxp->cq.ccb->page_idx = cpage_idx; + rxp->cq.ccb->page_count = page_count; + cpage_idx += page_count; + + rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0; + rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0; + + rxp->cq.ccb->producer_index = 0; + rxp->cq.ccb->q_depth = rx_cfg->q_depth + + ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ? + 0 : rx_cfg->q_depth); + rxp->cq.ccb->i_dbell = &rxp->cq.ib->door_bell; + rxp->cq.ccb->rcb[0] = q0->rcb; + if (q1) + rxp->cq.ccb->rcb[1] = q1->rcb; + rxp->cq.ccb->cq = &rxp->cq; + rxp->cq.ccb->bnad = bna->bnad; + rxp->cq.ccb->hw_producer_index = + ((volatile u32 *)rxp->cq.ib->ib_seg_host_addr_kva + + (rxp->cq.ib_seg_offset * BFI_IBIDX_SIZE)); + *(rxp->cq.ccb->hw_producer_index) = 0; + rxp->cq.ccb->intr_type = intr_info->intr_type; + rxp->cq.ccb->intr_vector = (intr_info->num == 1) ? + intr_info->idl[0].vector : + intr_info->idl[i].vector; + rxp->cq.ccb->rx_coalescing_timeo = + rxp->cq.ib->ib_config.coalescing_timeo; + rxp->cq.ccb->id = i; + + /* Call bnad to complete CCB setup */ + if (rx->ccb_setup_cbfn) + rx->ccb_setup_cbfn(bnad, rxp->cq.ccb); + + } /* for each rx-path */ + + bna_rxf_init(&rx->rxf, rx, rx_cfg); + + bfa_fsm_set_state(rx, bna_rx_sm_stopped); + + return rx; +} + +void +bna_rx_destroy(struct bna_rx *rx) +{ + struct bna_rx_mod *rx_mod = &rx->bna->rx_mod; + struct bna_ib_mod *ib_mod = &rx->bna->ib_mod; + struct bna_rxq *q0 = NULL; + struct bna_rxq *q1 = NULL; + struct bna_rxp *rxp; + struct list_head *qe; + + bna_rxf_uninit(&rx->rxf); + + while (!list_empty(&rx->rxp_q)) { + bfa_q_deq(&rx->rxp_q, &rxp); + GET_RXQS(rxp, q0, q1); + /* Callback to bnad for destroying RCB */ + if (rx->rcb_destroy_cbfn) + rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb); + q0->rcb = NULL; + q0->rxp = NULL; + q0->rx = NULL; + _put_free_rxq(rx_mod, q0); + if (q1) { + /* Callback to bnad for destroying RCB */ + if (rx->rcb_destroy_cbfn) + rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb); + q1->rcb = NULL; + q1->rxp = NULL; + q1->rx = NULL; + _put_free_rxq(rx_mod, q1); + } + rxp->rxq.slr.large = NULL; + rxp->rxq.slr.small = NULL; + if (rxp->cq.ib) { + if (rxp->cq.ib_seg_offset != 0xff) + bna_ib_release_idx(rxp->cq.ib, + rxp->cq.ib_seg_offset); + bna_ib_put(ib_mod, rxp->cq.ib); + rxp->cq.ib = NULL; + } + /* Callback to bnad for destroying CCB */ + if (rx->ccb_destroy_cbfn) + rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb); + rxp->cq.ccb = NULL; + rxp->rx = NULL; + _put_free_rxp(rx_mod, rxp); + } + + list_for_each(qe, &rx_mod->rx_active_q) { + if (qe == &rx->qe) { + list_del(&rx->qe); + bfa_q_qe_init(&rx->qe); + break; + } + } + + rx->bna = NULL; + rx->priv = NULL; + _put_free_rx(rx_mod, rx); +} + +void +bna_rx_enable(struct bna_rx *rx) +{ + if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped) + return; + + rx->rx_flags |= BNA_RX_F_ENABLE; + if (rx->rx_flags & BNA_RX_F_PORT_ENABLED) + bfa_fsm_send_event(rx, RX_E_START); +} + +void +bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type, + void (*cbfn)(void *, struct bna_rx *, + enum bna_cb_status)) +{ + if (type == BNA_SOFT_CLEANUP) { + /* h/w should not be accessed. Treat we're stopped */ + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + } else { + rx->stop_cbfn = cbfn; + rx->stop_cbarg = rx->bna->bnad; + + rx->rx_flags &= ~BNA_RX_F_ENABLE; + + bfa_fsm_send_event(rx, RX_E_STOP); + } +} + +/** + * TX + */ +#define call_tx_stop_cbfn(tx, status)\ +do {\ + if ((tx)->stop_cbfn)\ + (tx)->stop_cbfn((tx)->stop_cbarg, (tx), status);\ + (tx)->stop_cbfn = NULL;\ + (tx)->stop_cbarg = NULL;\ +} while (0) + +#define call_tx_prio_change_cbfn(tx, status)\ +do {\ + if ((tx)->prio_change_cbfn)\ + (tx)->prio_change_cbfn((tx)->bna->bnad, (tx), status);\ + (tx)->prio_change_cbfn = NULL;\ +} while (0) + +static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx, + enum bna_cb_status status); +static void bna_tx_cb_txq_stopped(void *arg, int status); +static void bna_tx_cb_stats_cleared(void *arg, int status); +static void __bna_tx_stop(struct bna_tx *tx); +static void __bna_tx_start(struct bna_tx *tx); +static void __bna_txf_stat_clr(struct bna_tx *tx); + +enum bna_tx_event { + TX_E_START = 1, + TX_E_STOP = 2, + TX_E_FAIL = 3, + TX_E_TXQ_STOPPED = 4, + TX_E_PRIO_CHANGE = 5, + TX_E_STAT_CLEARED = 6, +}; + +enum bna_tx_state { + BNA_TX_STOPPED = 1, + BNA_TX_STARTED = 2, + BNA_TX_TXQ_STOP_WAIT = 3, + BNA_TX_PRIO_STOP_WAIT = 4, + BNA_TX_STAT_CLR_WAIT = 5, +}; + +bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, + enum bna_tx_event); +bfa_fsm_state_decl(bna_tx, started, struct bna_tx, + enum bna_tx_event); +bfa_fsm_state_decl(bna_tx, txq_stop_wait, struct bna_tx, + enum bna_tx_event); +bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx, + enum bna_tx_event); +bfa_fsm_state_decl(bna_tx, stat_clr_wait, struct bna_tx, + enum bna_tx_event); + +static struct bfa_sm_table tx_sm_table[] = { + {BFA_SM(bna_tx_sm_stopped), BNA_TX_STOPPED}, + {BFA_SM(bna_tx_sm_started), BNA_TX_STARTED}, + {BFA_SM(bna_tx_sm_txq_stop_wait), BNA_TX_TXQ_STOP_WAIT}, + {BFA_SM(bna_tx_sm_prio_stop_wait), BNA_TX_PRIO_STOP_WAIT}, + {BFA_SM(bna_tx_sm_stat_clr_wait), BNA_TX_STAT_CLR_WAIT}, +}; + +static void +bna_tx_sm_stopped_entry(struct bna_tx *tx) +{ + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb); + } + + call_tx_stop_cbfn(tx, BNA_CB_SUCCESS); +} + +static void +bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event) +{ + switch (event) { + case TX_E_START: + bfa_fsm_set_state(tx, bna_tx_sm_started); + break; + + case TX_E_STOP: + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + break; + + case TX_E_FAIL: + /* No-op */ + break; + + case TX_E_PRIO_CHANGE: + call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS); + break; + + case TX_E_TXQ_STOPPED: + /** + * This event is received due to flushing of mbox when + * device fails + */ + /* No-op */ + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_tx_sm_started_entry(struct bna_tx *tx) +{ + struct bna_txq *txq; + struct list_head *qe; + + __bna_tx_start(tx); + + /* Start IB */ + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_ack(&txq->ib->door_bell, 0); + } +} + +static void +bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event) +{ + struct bna_txq *txq; + struct list_head *qe; + + switch (event) { + case TX_E_STOP: + bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait); + __bna_tx_stop(tx); + break; + + case TX_E_FAIL: + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_fail(txq->ib); + (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb); + } + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + break; + + case TX_E_PRIO_CHANGE: + bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_tx_sm_txq_stop_wait_entry(struct bna_tx *tx) +{ +} + +static void +bna_tx_sm_txq_stop_wait(struct bna_tx *tx, enum bna_tx_event event) +{ + struct bna_txq *txq; + struct list_head *qe; + + switch (event) { + case TX_E_FAIL: + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + break; + + case TX_E_TXQ_STOPPED: + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_stop(txq->ib); + } + bfa_fsm_set_state(tx, bna_tx_sm_stat_clr_wait); + break; + + case TX_E_PRIO_CHANGE: + /* No-op */ + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx) +{ + __bna_tx_stop(tx); +} + +static void +bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event) +{ + struct bna_txq *txq; + struct list_head *qe; + + switch (event) { + case TX_E_STOP: + bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait); + break; + + case TX_E_FAIL: + call_tx_prio_change_cbfn(tx, BNA_CB_FAIL); + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + break; + + case TX_E_TXQ_STOPPED: + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_stop(txq->ib); + (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb); + } + call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS); + bfa_fsm_set_state(tx, bna_tx_sm_started); + break; + + case TX_E_PRIO_CHANGE: + /* No-op */ + break; + + default: + bfa_sm_fault(event); + } +} + +static void +bna_tx_sm_stat_clr_wait_entry(struct bna_tx *tx) +{ + __bna_txf_stat_clr(tx); +} + +static void +bna_tx_sm_stat_clr_wait(struct bna_tx *tx, enum bna_tx_event event) +{ + switch (event) { + case TX_E_FAIL: + case TX_E_STAT_CLEARED: + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + break; + + default: + bfa_sm_fault(event); + } +} + +static void +__bna_txq_start(struct bna_tx *tx, struct bna_txq *txq) +{ + struct bna_rxtx_q_mem *q_mem; + struct bna_txq_mem txq_cfg; + struct bna_txq_mem *txq_mem; + struct bna_dma_addr cur_q_addr; + u32 pg_num; + void __iomem *base_addr; + unsigned long off; + + /* Fill out structure, to be subsequently written to hardware */ + txq_cfg.pg_tbl_addr_lo = txq->qpt.hw_qpt_ptr.lsb; + txq_cfg.pg_tbl_addr_hi = txq->qpt.hw_qpt_ptr.msb; + cur_q_addr = *((struct bna_dma_addr *)(txq->qpt.kv_qpt_ptr)); + txq_cfg.cur_q_entry_lo = cur_q_addr.lsb; + txq_cfg.cur_q_entry_hi = cur_q_addr.msb; + + txq_cfg.pg_cnt_n_prd_ptr = (txq->qpt.page_count << 16) | 0x0; + + txq_cfg.entry_n_pg_size = ((u32)(BFI_TXQ_WI_SIZE >> 2) << 16) | + (txq->qpt.page_size >> 2); + txq_cfg.int_blk_n_cns_ptr = ((((u32)txq->ib_seg_offset) << 24) | + ((u32)(txq->ib->ib_id & 0xff) << 16) | 0x0); + + txq_cfg.cns_ptr2_n_q_state = BNA_Q_IDLE_STATE; + txq_cfg.nxt_qid_n_fid_n_pri = (((tx->txf.txf_id & 0x3f) << 3) | + (txq->priority & 0x7)); + txq_cfg.wvc_n_cquota_n_rquota = + ((((u32)BFI_TX_MAX_WRR_QUOTA & 0xfff) << 12) | + (BFI_TX_MAX_WRR_QUOTA & 0xfff)); + + /* Setup the page and write to H/W */ + + pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + tx->bna->port_num, + HQM_RXTX_Q_RAM_BASE_OFFSET); + writel(pg_num, tx->bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, + HQM_RXTX_Q_RAM_BASE_OFFSET); + q_mem = (struct bna_rxtx_q_mem *)0; + txq_mem = &q_mem[txq->txq_id].txq; + + /* + * The following 4 lines, is a hack b'cos the H/W needs to read + * these DMA addresses as little endian + */ + + off = (unsigned long)&txq_mem->pg_tbl_addr_lo; + writel(htonl(txq_cfg.pg_tbl_addr_lo), base_addr + off); + + off = (unsigned long)&txq_mem->pg_tbl_addr_hi; + writel(htonl(txq_cfg.pg_tbl_addr_hi), base_addr + off); + + off = (unsigned long)&txq_mem->cur_q_entry_lo; + writel(htonl(txq_cfg.cur_q_entry_lo), base_addr + off); + + off = (unsigned long)&txq_mem->cur_q_entry_hi; + writel(htonl(txq_cfg.cur_q_entry_hi), base_addr + off); + + off = (unsigned long)&txq_mem->pg_cnt_n_prd_ptr; + writel(txq_cfg.pg_cnt_n_prd_ptr, base_addr + off); + + off = (unsigned long)&txq_mem->entry_n_pg_size; + writel(txq_cfg.entry_n_pg_size, base_addr + off); + + off = (unsigned long)&txq_mem->int_blk_n_cns_ptr; + writel(txq_cfg.int_blk_n_cns_ptr, base_addr + off); + + off = (unsigned long)&txq_mem->cns_ptr2_n_q_state; + writel(txq_cfg.cns_ptr2_n_q_state, base_addr + off); + + off = (unsigned long)&txq_mem->nxt_qid_n_fid_n_pri; + writel(txq_cfg.nxt_qid_n_fid_n_pri, base_addr + off); + + off = (unsigned long)&txq_mem->wvc_n_cquota_n_rquota; + writel(txq_cfg.wvc_n_cquota_n_rquota, base_addr + off); + + txq->tcb->producer_index = 0; + txq->tcb->consumer_index = 0; + *(txq->tcb->hw_consumer_index) = 0; + +} + +static void +__bna_txq_stop(struct bna_tx *tx, struct bna_txq *txq) +{ + struct bfi_ll_q_stop_req ll_req; + u32 bit_mask[2] = {0, 0}; + if (txq->txq_id < 32) + bit_mask[0] = (u32)1 << txq->txq_id; + else + bit_mask[1] = (u32)1 << (txq->txq_id - 32); + + memset(&ll_req, 0, sizeof(ll_req)); + ll_req.mh.msg_class = BFI_MC_LL; + ll_req.mh.msg_id = BFI_LL_H2I_TXQ_STOP_REQ; + ll_req.mh.mtag.h2i.lpu_id = 0; + ll_req.q_id_mask[0] = htonl(bit_mask[0]); + ll_req.q_id_mask[1] = htonl(bit_mask[1]); + + bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req), + bna_tx_cb_txq_stopped, tx); + + bna_mbox_send(tx->bna, &tx->mbox_qe); +} + +static void +__bna_txf_start(struct bna_tx *tx) +{ + struct bna_tx_fndb_ram *tx_fndb; + struct bna_txf *txf = &tx->txf; + void __iomem *base_addr; + unsigned long off; + + writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + + (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET), + tx->bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, + TX_FNDB_RAM_BASE_OFFSET); + + tx_fndb = (struct bna_tx_fndb_ram *)0; + off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags; + + writel(((u32)txf->vlan << 16) | txf->ctrl_flags, + base_addr + off); + + if (tx->txf.txf_id < 32) + tx->bna->tx_mod.txf_bmap[0] |= ((u32)1 << tx->txf.txf_id); + else + tx->bna->tx_mod.txf_bmap[1] |= ((u32) + 1 << (tx->txf.txf_id - 32)); +} + +static void +__bna_txf_stop(struct bna_tx *tx) +{ + struct bna_tx_fndb_ram *tx_fndb; + u32 page_num; + u32 ctl_flags; + struct bna_txf *txf = &tx->txf; + void __iomem *base_addr; + unsigned long off; + + /* retrieve the running txf_flags & turn off enable bit */ + page_num = BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM + + (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET); + writel(page_num, tx->bna->regs.page_addr); + + base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva, + TX_FNDB_RAM_BASE_OFFSET); + tx_fndb = (struct bna_tx_fndb_ram *)0; + off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags; + + ctl_flags = readl(base_addr + off); + ctl_flags &= ~BFI_TXF_CF_ENABLE; + + writel(ctl_flags, base_addr + off); + + if (tx->txf.txf_id < 32) + tx->bna->tx_mod.txf_bmap[0] &= ~((u32)1 << tx->txf.txf_id); + else + tx->bna->tx_mod.txf_bmap[0] &= ~((u32) + 1 << (tx->txf.txf_id - 32)); +} + +static void +__bna_txf_stat_clr(struct bna_tx *tx) +{ + struct bfi_ll_stats_req ll_req; + u32 txf_bmap[2] = {0, 0}; + if (tx->txf.txf_id < 32) + txf_bmap[0] = ((u32)1 << tx->txf.txf_id); + else + txf_bmap[1] = ((u32)1 << (tx->txf.txf_id - 32)); + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0); + ll_req.stats_mask = 0; + ll_req.rxf_id_mask[0] = 0; + ll_req.rxf_id_mask[1] = 0; + ll_req.txf_id_mask[0] = htonl(txf_bmap[0]); + ll_req.txf_id_mask[1] = htonl(txf_bmap[1]); + + bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req), + bna_tx_cb_stats_cleared, tx); + bna_mbox_send(tx->bna, &tx->mbox_qe); +} + +static void +__bna_tx_start(struct bna_tx *tx) +{ + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bna_ib_start(txq->ib); + __bna_txq_start(tx, txq); + } + + __bna_txf_start(tx); + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + txq->tcb->priority = txq->priority; + (tx->tx_resume_cbfn)(tx->bna->bnad, txq->tcb); + } +} + +static void +__bna_tx_stop(struct bna_tx *tx) +{ + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb); + } + + __bna_txf_stop(tx); + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + bfa_wc_up(&tx->txq_stop_wc); + } + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + __bna_txq_stop(tx, txq); + } +} + +static void +bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size, + struct bna_mem_descr *qpt_mem, + struct bna_mem_descr *swqpt_mem, + struct bna_mem_descr *page_mem) +{ + int i; + + txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; + txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; + txq->qpt.kv_qpt_ptr = qpt_mem->kva; + txq->qpt.page_count = page_count; + txq->qpt.page_size = page_size; + + txq->tcb->sw_qpt = (void **) swqpt_mem->kva; + + for (i = 0; i < page_count; i++) { + txq->tcb->sw_qpt[i] = page_mem[i].kva; + + ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb = + page_mem[i].dma.lsb; + ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb = + page_mem[i].dma.msb; + + } +} + +static void +bna_tx_free(struct bna_tx *tx) +{ + struct bna_tx_mod *tx_mod = &tx->bna->tx_mod; + struct bna_txq *txq; + struct bna_ib_mod *ib_mod = &tx->bna->ib_mod; + struct list_head *qe; + + while (!list_empty(&tx->txq_q)) { + bfa_q_deq(&tx->txq_q, &txq); + bfa_q_qe_init(&txq->qe); + if (txq->ib) { + if (txq->ib_seg_offset != -1) + bna_ib_release_idx(txq->ib, + txq->ib_seg_offset); + bna_ib_put(ib_mod, txq->ib); + txq->ib = NULL; + } + txq->tcb = NULL; + txq->tx = NULL; + list_add_tail(&txq->qe, &tx_mod->txq_free_q); + } + + list_for_each(qe, &tx_mod->tx_active_q) { + if (qe == &tx->qe) { + list_del(&tx->qe); + bfa_q_qe_init(&tx->qe); + break; + } + } + + tx->bna = NULL; + tx->priv = NULL; + list_add_tail(&tx->qe, &tx_mod->tx_free_q); +} + +static void +bna_tx_cb_txq_stopped(void *arg, int status) +{ + struct bna_tx *tx = (struct bna_tx *)arg; + + bfa_q_qe_init(&tx->mbox_qe.qe); + bfa_wc_down(&tx->txq_stop_wc); +} + +static void +bna_tx_cb_txq_stopped_all(void *arg) +{ + struct bna_tx *tx = (struct bna_tx *)arg; + + bfa_fsm_send_event(tx, TX_E_TXQ_STOPPED); +} + +static void +bna_tx_cb_stats_cleared(void *arg, int status) +{ + struct bna_tx *tx = (struct bna_tx *)arg; + + bfa_q_qe_init(&tx->mbox_qe.qe); + + bfa_fsm_send_event(tx, TX_E_STAT_CLEARED); +} + +static void +bna_tx_start(struct bna_tx *tx) +{ + tx->flags |= BNA_TX_F_PORT_STARTED; + if (tx->flags & BNA_TX_F_ENABLED) + bfa_fsm_send_event(tx, TX_E_START); +} + +static void +bna_tx_stop(struct bna_tx *tx) +{ + tx->stop_cbfn = bna_tx_mod_cb_tx_stopped; + tx->stop_cbarg = &tx->bna->tx_mod; + + tx->flags &= ~BNA_TX_F_PORT_STARTED; + bfa_fsm_send_event(tx, TX_E_STOP); +} + +static void +bna_tx_fail(struct bna_tx *tx) +{ + tx->flags &= ~BNA_TX_F_PORT_STARTED; + bfa_fsm_send_event(tx, TX_E_FAIL); +} + +static void +bna_tx_prio_changed(struct bna_tx *tx, int prio) +{ + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + txq->priority = prio; + } + + bfa_fsm_send_event(tx, TX_E_PRIO_CHANGE); +} + +static void +bna_tx_cee_link_status(struct bna_tx *tx, int cee_link) +{ + if (cee_link) + tx->flags |= BNA_TX_F_PRIO_LOCK; + else + tx->flags &= ~BNA_TX_F_PRIO_LOCK; +} + +static void +bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx, + enum bna_cb_status status) +{ + struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; + + bfa_wc_down(&tx_mod->tx_stop_wc); +} + +static void +bna_tx_mod_cb_tx_stopped_all(void *arg) +{ + struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; + + if (tx_mod->stop_cbfn) + tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS); + tx_mod->stop_cbfn = NULL; +} + +void +bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info) +{ + u32 q_size; + u32 page_count; + struct bna_mem_info *mem_info; + + res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = sizeof(struct bna_tcb); + mem_info->num = num_txq; + + q_size = txq_depth * BFI_TXQ_WI_SIZE; + q_size = ALIGN(q_size, PAGE_SIZE); + page_count = q_size >> PAGE_SHIFT; + + res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = page_count * sizeof(struct bna_dma_addr); + mem_info->num = num_txq; + + res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_KVA; + mem_info->len = page_count * sizeof(void *); + mem_info->num = num_txq; + + res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM; + mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info; + mem_info->mem_type = BNA_MEM_T_DMA; + mem_info->len = PAGE_SIZE; + mem_info->num = num_txq * page_count; + + res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR; + res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type = + BNA_INTR_T_MSIX; + res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq; +} + +struct bna_tx * +bna_tx_create(struct bna *bna, struct bnad *bnad, + struct bna_tx_config *tx_cfg, + struct bna_tx_event_cbfn *tx_cbfn, + struct bna_res_info *res_info, void *priv) +{ + struct bna_intr_info *intr_info; + struct bna_tx_mod *tx_mod = &bna->tx_mod; + struct bna_tx *tx; + struct bna_txq *txq; + struct list_head *qe; + struct bna_ib_mod *ib_mod = &bna->ib_mod; + struct bna_doorbell_qset *qset; + struct bna_ib_config ib_config; + int page_count; + int page_size; + int page_idx; + int i; + unsigned long off; + + intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info; + page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.num) / + tx_cfg->num_txq; + page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len; + + /** + * Get resources + */ + + if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq)) + return NULL; + + /* Tx */ + + if (list_empty(&tx_mod->tx_free_q)) + return NULL; + bfa_q_deq(&tx_mod->tx_free_q, &tx); + bfa_q_qe_init(&tx->qe); + + /* TxQs */ + + INIT_LIST_HEAD(&tx->txq_q); + for (i = 0; i < tx_cfg->num_txq; i++) { + if (list_empty(&tx_mod->txq_free_q)) + goto err_return; + + bfa_q_deq(&tx_mod->txq_free_q, &txq); + bfa_q_qe_init(&txq->qe); + list_add_tail(&txq->qe, &tx->txq_q); + txq->ib = NULL; + txq->ib_seg_offset = -1; + txq->tx = tx; + } + + /* IBs */ + i = 0; + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + + if (intr_info->num == 1) + txq->ib = bna_ib_get(ib_mod, intr_info->intr_type, + intr_info->idl[0].vector); + else + txq->ib = bna_ib_get(ib_mod, intr_info->intr_type, + intr_info->idl[i].vector); + + if (txq->ib == NULL) + goto err_return; + + txq->ib_seg_offset = bna_ib_reserve_idx(txq->ib); + if (txq->ib_seg_offset == -1) + goto err_return; + + i++; + } + + /* + * Initialize + */ + + /* Tx */ + + tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn; + tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn; + /* Following callbacks are mandatory */ + tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn; + tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn; + tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn; + + list_add_tail(&tx->qe, &tx_mod->tx_active_q); + tx->bna = bna; + tx->priv = priv; + tx->txq_stop_wc.wc_resume = bna_tx_cb_txq_stopped_all; + tx->txq_stop_wc.wc_cbarg = tx; + tx->txq_stop_wc.wc_count = 0; + + tx->type = tx_cfg->tx_type; + + tx->flags = 0; + if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_STARTED) { + switch (tx->type) { + case BNA_TX_T_REGULAR: + if (!(tx->bna->tx_mod.flags & + BNA_TX_MOD_F_PORT_LOOPBACK)) + tx->flags |= BNA_TX_F_PORT_STARTED; + break; + case BNA_TX_T_LOOPBACK: + if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_LOOPBACK) + tx->flags |= BNA_TX_F_PORT_STARTED; + break; + } + } + if (tx->bna->tx_mod.cee_link) + tx->flags |= BNA_TX_F_PRIO_LOCK; + + /* TxQ */ + + i = 0; + page_idx = 0; + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + txq->priority = tx_mod->priority; + txq->tcb = (struct bna_tcb *) + res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva; + txq->tx_packets = 0; + txq->tx_bytes = 0; + + /* IB */ + + ib_config.coalescing_timeo = BFI_TX_COALESCING_TIMEO; + ib_config.interpkt_timeo = 0; /* Not used */ + ib_config.interpkt_count = BFI_TX_INTERPKT_COUNT; + ib_config.ctrl_flags = (BFI_IB_CF_INTER_PKT_DMA | + BFI_IB_CF_INT_ENABLE | + BFI_IB_CF_COALESCING_MODE); + bna_ib_config(txq->ib, &ib_config); + + /* TCB */ + + txq->tcb->producer_index = 0; + txq->tcb->consumer_index = 0; + txq->tcb->hw_consumer_index = (volatile u32 *) + ((volatile u8 *)txq->ib->ib_seg_host_addr_kva + + (txq->ib_seg_offset * BFI_IBIDX_SIZE)); + *(txq->tcb->hw_consumer_index) = 0; + txq->tcb->q_depth = tx_cfg->txq_depth; + txq->tcb->unmap_q = (void *) + res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva; + qset = (struct bna_doorbell_qset *)0; + off = (unsigned long)&qset[txq->txq_id].txq[0]; + txq->tcb->q_dbell = off + + BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva); + txq->tcb->i_dbell = &txq->ib->door_bell; + txq->tcb->intr_type = intr_info->intr_type; + txq->tcb->intr_vector = (intr_info->num == 1) ? + intr_info->idl[0].vector : + intr_info->idl[i].vector; + txq->tcb->txq = txq; + txq->tcb->bnad = bnad; + txq->tcb->id = i; + + /* QPT, SWQPT, Pages */ + bna_txq_qpt_setup(txq, page_count, page_size, + &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i], + &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i], + &res_info[BNA_TX_RES_MEM_T_PAGE]. + res_u.mem_info.mdl[page_idx]); + txq->tcb->page_idx = page_idx; + txq->tcb->page_count = page_count; + page_idx += page_count; + + /* Callback to bnad for setting up TCB */ + if (tx->tcb_setup_cbfn) + (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb); + + i++; + } + + /* TxF */ + + tx->txf.ctrl_flags = BFI_TXF_CF_ENABLE | BFI_TXF_CF_VLAN_WI_BASED; + tx->txf.vlan = 0; + + /* Mbox element */ + bfa_q_qe_init(&tx->mbox_qe.qe); + + bfa_fsm_set_state(tx, bna_tx_sm_stopped); + + return tx; + +err_return: + bna_tx_free(tx); + return NULL; +} + +void +bna_tx_destroy(struct bna_tx *tx) +{ + /* Callback to bnad for destroying TCB */ + if (tx->tcb_destroy_cbfn) { + struct bna_txq *txq; + struct list_head *qe; + + list_for_each(qe, &tx->txq_q) { + txq = (struct bna_txq *)qe; + (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb); + } + } + + bna_tx_free(tx); +} + +void +bna_tx_enable(struct bna_tx *tx) +{ + if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped) + return; + + tx->flags |= BNA_TX_F_ENABLED; + + if (tx->flags & BNA_TX_F_PORT_STARTED) + bfa_fsm_send_event(tx, TX_E_START); +} + +void +bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, + void (*cbfn)(void *, struct bna_tx *, enum bna_cb_status)) +{ + if (type == BNA_SOFT_CLEANUP) { + (*cbfn)(tx->bna->bnad, tx, BNA_CB_SUCCESS); + return; + } + + tx->stop_cbfn = cbfn; + tx->stop_cbarg = tx->bna->bnad; + + tx->flags &= ~BNA_TX_F_ENABLED; + + bfa_fsm_send_event(tx, TX_E_STOP); +} + +int +bna_tx_state_get(struct bna_tx *tx) +{ + return bfa_sm_to_state(tx_sm_table, tx->fsm); +} + +void +bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna, + struct bna_res_info *res_info) +{ + int i; + + tx_mod->bna = bna; + tx_mod->flags = 0; + + tx_mod->tx = (struct bna_tx *) + res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva; + tx_mod->txq = (struct bna_txq *) + res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva; + + INIT_LIST_HEAD(&tx_mod->tx_free_q); + INIT_LIST_HEAD(&tx_mod->tx_active_q); + + INIT_LIST_HEAD(&tx_mod->txq_free_q); + + for (i = 0; i < BFI_MAX_TXQ; i++) { + tx_mod->tx[i].txf.txf_id = i; + bfa_q_qe_init(&tx_mod->tx[i].qe); + list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q); + + tx_mod->txq[i].txq_id = i; + bfa_q_qe_init(&tx_mod->txq[i].qe); + list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q); + } + + tx_mod->tx_stop_wc.wc_resume = bna_tx_mod_cb_tx_stopped_all; + tx_mod->tx_stop_wc.wc_cbarg = tx_mod; + tx_mod->tx_stop_wc.wc_count = 0; +} + +void +bna_tx_mod_uninit(struct bna_tx_mod *tx_mod) +{ + struct list_head *qe; + int i; + + i = 0; + list_for_each(qe, &tx_mod->tx_free_q) + i++; + + i = 0; + list_for_each(qe, &tx_mod->txq_free_q) + i++; + + tx_mod->bna = NULL; +} + +void +bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type) +{ + struct bna_tx *tx; + struct list_head *qe; + + tx_mod->flags |= BNA_TX_MOD_F_PORT_STARTED; + if (type == BNA_TX_T_LOOPBACK) + tx_mod->flags |= BNA_TX_MOD_F_PORT_LOOPBACK; + + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + if (tx->type == type) + bna_tx_start(tx); + } +} + +void +bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type) +{ + struct bna_tx *tx; + struct list_head *qe; + + tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED; + tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK; + + tx_mod->stop_cbfn = bna_port_cb_tx_stopped; + + /** + * Before calling bna_tx_stop(), increment tx_stop_wc as many times + * as we are going to call bna_tx_stop + */ + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + if (tx->type == type) + bfa_wc_up(&tx_mod->tx_stop_wc); + } + + if (tx_mod->tx_stop_wc.wc_count == 0) { + tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS); + tx_mod->stop_cbfn = NULL; + return; + } + + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + if (tx->type == type) + bna_tx_stop(tx); + } +} + +void +bna_tx_mod_fail(struct bna_tx_mod *tx_mod) +{ + struct bna_tx *tx; + struct list_head *qe; + + tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED; + tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK; + + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + bna_tx_fail(tx); + } +} + +void +bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio) +{ + struct bna_tx *tx; + struct list_head *qe; + + if (prio != tx_mod->priority) { + tx_mod->priority = prio; + + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + bna_tx_prio_changed(tx, prio); + } + } +} + +void +bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link) +{ + struct bna_tx *tx; + struct list_head *qe; + + tx_mod->cee_link = cee_link; + + list_for_each(qe, &tx_mod->tx_active_q) { + tx = (struct bna_tx *)qe; + bna_tx_cee_link_status(tx, cee_link); + } +} diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h new file mode 100644 index 000000000000..2f89cb235248 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -0,0 +1,1127 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BNA_TYPES_H__ +#define __BNA_TYPES_H__ + +#include "cna.h" +#include "bna_hw.h" +#include "bfa_cee.h" + +/** + * + * Forward declarations + * + */ + +struct bna_txq; +struct bna_tx; +struct bna_rxq; +struct bna_cq; +struct bna_rx; +struct bna_rxf; +struct bna_port; +struct bna; +struct bnad; + +/** + * + * Enums, primitive data types + * + */ + +enum bna_status { + BNA_STATUS_T_DISABLED = 0, + BNA_STATUS_T_ENABLED = 1 +}; + +enum bna_cleanup_type { + BNA_HARD_CLEANUP = 0, + BNA_SOFT_CLEANUP = 1 +}; + +enum bna_cb_status { + BNA_CB_SUCCESS = 0, + BNA_CB_FAIL = 1, + BNA_CB_INTERRUPT = 2, + BNA_CB_BUSY = 3, + BNA_CB_INVALID_MAC = 4, + BNA_CB_MCAST_LIST_FULL = 5, + BNA_CB_UCAST_CAM_FULL = 6, + BNA_CB_WAITING = 7, + BNA_CB_NOT_EXEC = 8 +}; + +enum bna_res_type { + BNA_RES_T_MEM = 1, + BNA_RES_T_INTR = 2 +}; + +enum bna_mem_type { + BNA_MEM_T_KVA = 1, + BNA_MEM_T_DMA = 2 +}; + +enum bna_intr_type { + BNA_INTR_T_INTX = 1, + BNA_INTR_T_MSIX = 2 +}; + +enum bna_res_req_type { + BNA_RES_MEM_T_COM = 0, + BNA_RES_MEM_T_ATTR = 1, + BNA_RES_MEM_T_FWTRC = 2, + BNA_RES_MEM_T_STATS = 3, + BNA_RES_MEM_T_SWSTATS = 4, + BNA_RES_MEM_T_IBIDX = 5, + BNA_RES_MEM_T_IB_ARRAY = 6, + BNA_RES_MEM_T_INTR_ARRAY = 7, + BNA_RES_MEM_T_IDXSEG_ARRAY = 8, + BNA_RES_MEM_T_TX_ARRAY = 9, + BNA_RES_MEM_T_TXQ_ARRAY = 10, + BNA_RES_MEM_T_RX_ARRAY = 11, + BNA_RES_MEM_T_RXP_ARRAY = 12, + BNA_RES_MEM_T_RXQ_ARRAY = 13, + BNA_RES_MEM_T_UCMAC_ARRAY = 14, + BNA_RES_MEM_T_MCMAC_ARRAY = 15, + BNA_RES_MEM_T_RIT_ENTRY = 16, + BNA_RES_MEM_T_RIT_SEGMENT = 17, + BNA_RES_INTR_T_MBOX = 18, + BNA_RES_T_MAX +}; + +enum bna_tx_res_req_type { + BNA_TX_RES_MEM_T_TCB = 0, + BNA_TX_RES_MEM_T_UNMAPQ = 1, + BNA_TX_RES_MEM_T_QPT = 2, + BNA_TX_RES_MEM_T_SWQPT = 3, + BNA_TX_RES_MEM_T_PAGE = 4, + BNA_TX_RES_INTR_T_TXCMPL = 5, + BNA_TX_RES_T_MAX, +}; + +enum bna_rx_mem_type { + BNA_RX_RES_MEM_T_CCB = 0, /* CQ context */ + BNA_RX_RES_MEM_T_RCB = 1, /* CQ context */ + BNA_RX_RES_MEM_T_UNMAPQ = 2, /* UnmapQ for RxQs */ + BNA_RX_RES_MEM_T_CQPT = 3, /* CQ QPT */ + BNA_RX_RES_MEM_T_CSWQPT = 4, /* S/W QPT */ + BNA_RX_RES_MEM_T_CQPT_PAGE = 5, /* CQPT page */ + BNA_RX_RES_MEM_T_HQPT = 6, /* RX QPT */ + BNA_RX_RES_MEM_T_DQPT = 7, /* RX QPT */ + BNA_RX_RES_MEM_T_HSWQPT = 8, /* RX s/w QPT */ + BNA_RX_RES_MEM_T_DSWQPT = 9, /* RX s/w QPT */ + BNA_RX_RES_MEM_T_DPAGE = 10, /* RX s/w QPT */ + BNA_RX_RES_MEM_T_HPAGE = 11, /* RX s/w QPT */ + BNA_RX_RES_T_INTR = 12, /* Rx interrupts */ + BNA_RX_RES_T_MAX = 13 +}; + +enum bna_mbox_state { + BNA_MBOX_FREE = 0, + BNA_MBOX_POSTED = 1 +}; + +enum bna_tx_type { + BNA_TX_T_REGULAR = 0, + BNA_TX_T_LOOPBACK = 1, +}; + +enum bna_tx_flags { + BNA_TX_F_PORT_STARTED = 1, + BNA_TX_F_ENABLED = 2, + BNA_TX_F_PRIO_LOCK = 4, +}; + +enum bna_tx_mod_flags { + BNA_TX_MOD_F_PORT_STARTED = 1, + BNA_TX_MOD_F_PORT_LOOPBACK = 2, +}; + +enum bna_rx_type { + BNA_RX_T_REGULAR = 0, + BNA_RX_T_LOOPBACK = 1, +}; + +enum bna_rxp_type { + BNA_RXP_SINGLE = 1, + BNA_RXP_SLR = 2, + BNA_RXP_HDS = 3 +}; + +enum bna_rxmode { + BNA_RXMODE_PROMISC = 1, + BNA_RXMODE_ALLMULTI = 2 +}; + +enum bna_rx_event { + RX_E_START = 1, + RX_E_STOP = 2, + RX_E_FAIL = 3, + RX_E_RXF_STARTED = 4, + RX_E_RXF_STOPPED = 5, + RX_E_RXQ_STOPPED = 6, +}; + +enum bna_rx_state { + BNA_RX_STOPPED = 1, + BNA_RX_RXF_START_WAIT = 2, + BNA_RX_STARTED = 3, + BNA_RX_RXF_STOP_WAIT = 4, + BNA_RX_RXQ_STOP_WAIT = 5, +}; + +enum bna_rx_flags { + BNA_RX_F_ENABLE = 0x01, /* bnad enabled rxf */ + BNA_RX_F_PORT_ENABLED = 0x02, /* Port object is enabled */ + BNA_RX_F_PORT_FAILED = 0x04, /* Port in failed state */ +}; + +enum bna_rx_mod_flags { + BNA_RX_MOD_F_PORT_STARTED = 1, + BNA_RX_MOD_F_PORT_LOOPBACK = 2, +}; + +enum bna_rxf_oper_state { + BNA_RXF_OPER_STATE_RUNNING = 0x01, /* rxf operational */ + BNA_RXF_OPER_STATE_PAUSED = 0x02, /* rxf in PAUSED state */ +}; + +enum bna_rxf_flags { + BNA_RXF_FL_STOP_PENDING = 0x01, + BNA_RXF_FL_FAILED = 0x02, + BNA_RXF_FL_RSS_CONFIG_PENDING = 0x04, + BNA_RXF_FL_OPERSTATE_CHANGED = 0x08, + BNA_RXF_FL_RXF_ENABLED = 0x10, + BNA_RXF_FL_VLAN_CONFIG_PENDING = 0x20, +}; + +enum bna_rxf_event { + RXF_E_START = 1, + RXF_E_STOP = 2, + RXF_E_FAIL = 3, + RXF_E_CAM_FLTR_MOD = 4, + RXF_E_STARTED = 5, + RXF_E_STOPPED = 6, + RXF_E_CAM_FLTR_RESP = 7, + RXF_E_PAUSE = 8, + RXF_E_RESUME = 9, + RXF_E_STAT_CLEARED = 10, +}; + +enum bna_rxf_state { + BNA_RXF_STOPPED = 1, + BNA_RXF_START_WAIT = 2, + BNA_RXF_CAM_FLTR_MOD_WAIT = 3, + BNA_RXF_STARTED = 4, + BNA_RXF_CAM_FLTR_CLR_WAIT = 5, + BNA_RXF_STOP_WAIT = 6, + BNA_RXF_PAUSE_WAIT = 7, + BNA_RXF_RESUME_WAIT = 8, + BNA_RXF_STAT_CLR_WAIT = 9, +}; + +enum bna_port_type { + BNA_PORT_T_REGULAR = 0, + BNA_PORT_T_LOOPBACK_INTERNAL = 1, + BNA_PORT_T_LOOPBACK_EXTERNAL = 2, +}; + +enum bna_link_status { + BNA_LINK_DOWN = 0, + BNA_LINK_UP = 1, + BNA_CEE_UP = 2 +}; + +enum bna_llport_flags { + BNA_LLPORT_F_ADMIN_UP = 1, + BNA_LLPORT_F_PORT_ENABLED = 2, + BNA_LLPORT_F_RX_STARTED = 4 +}; + +enum bna_port_flags { + BNA_PORT_F_DEVICE_READY = 1, + BNA_PORT_F_ENABLED = 2, + BNA_PORT_F_PAUSE_CHANGED = 4, + BNA_PORT_F_MTU_CHANGED = 8 +}; + +enum bna_pkt_rates { + BNA_PKT_RATE_10K = 10000, + BNA_PKT_RATE_20K = 20000, + BNA_PKT_RATE_30K = 30000, + BNA_PKT_RATE_40K = 40000, + BNA_PKT_RATE_50K = 50000, + BNA_PKT_RATE_60K = 60000, + BNA_PKT_RATE_70K = 70000, + BNA_PKT_RATE_80K = 80000, +}; + +enum bna_dim_load_types { + BNA_LOAD_T_HIGH_4 = 0, /* 80K <= r */ + BNA_LOAD_T_HIGH_3 = 1, /* 60K <= r < 80K */ + BNA_LOAD_T_HIGH_2 = 2, /* 50K <= r < 60K */ + BNA_LOAD_T_HIGH_1 = 3, /* 40K <= r < 50K */ + BNA_LOAD_T_LOW_1 = 4, /* 30K <= r < 40K */ + BNA_LOAD_T_LOW_2 = 5, /* 20K <= r < 30K */ + BNA_LOAD_T_LOW_3 = 6, /* 10K <= r < 20K */ + BNA_LOAD_T_LOW_4 = 7, /* r < 10K */ + BNA_LOAD_T_MAX = 8 +}; + +enum bna_dim_bias_types { + BNA_BIAS_T_SMALL = 0, /* small pkts > (large pkts * 2) */ + BNA_BIAS_T_LARGE = 1, /* Not BNA_BIAS_T_SMALL */ + BNA_BIAS_T_MAX = 2 +}; + +struct bna_mac { + /* This should be the first one */ + struct list_head qe; + u8 addr[ETH_ALEN]; +}; + +struct bna_mem_descr { + u32 len; + void *kva; + struct bna_dma_addr dma; +}; + +struct bna_mem_info { + enum bna_mem_type mem_type; + u32 len; + u32 num; + u32 align_sz; /* 0/1 = no alignment */ + struct bna_mem_descr *mdl; + void *cookie; /* For bnad to unmap dma later */ +}; + +struct bna_intr_descr { + int vector; +}; + +struct bna_intr_info { + enum bna_intr_type intr_type; + int num; + struct bna_intr_descr *idl; +}; + +union bna_res_u { + struct bna_mem_info mem_info; + struct bna_intr_info intr_info; +}; + +struct bna_res_info { + enum bna_res_type res_type; + union bna_res_u res_u; +}; + +/* HW QPT */ +struct bna_qpt { + struct bna_dma_addr hw_qpt_ptr; + void *kv_qpt_ptr; + u32 page_count; + u32 page_size; +}; + +/** + * + * Device + * + */ + +struct bna_device { + bfa_fsm_t fsm; + struct bfa_ioc ioc; + + enum bna_intr_type intr_type; + int vector; + + void (*ready_cbfn)(struct bnad *bnad, enum bna_cb_status status); + struct bnad *ready_cbarg; + + void (*stop_cbfn)(struct bnad *bnad, enum bna_cb_status status); + struct bnad *stop_cbarg; + + struct bna *bna; +}; + +/** + * + * Mail box + * + */ + +struct bna_mbox_qe { + /* This should be the first one */ + struct list_head qe; + + struct bfa_mbox_cmd cmd; + u32 cmd_len; + /* Callback for port, tx, rx, rxf */ + void (*cbfn)(void *arg, int status); + void *cbarg; +}; + +struct bna_mbox_mod { + enum bna_mbox_state state; + struct list_head posted_q; + u32 msg_pending; + u32 msg_ctr; + struct bna *bna; +}; + +/** + * + * Port + * + */ + +/* Pause configuration */ +struct bna_pause_config { + enum bna_status tx_pause; + enum bna_status rx_pause; +}; + +struct bna_llport { + bfa_fsm_t fsm; + enum bna_llport_flags flags; + + enum bna_port_type type; + + enum bna_link_status link_status; + + int rx_started_count; + + void (*stop_cbfn)(struct bna_port *, enum bna_cb_status); + + struct bna_mbox_qe mbox_qe; + + struct bna *bna; +}; + +struct bna_port { + bfa_fsm_t fsm; + enum bna_port_flags flags; + + enum bna_port_type type; + + struct bna_llport llport; + + struct bna_pause_config pause_config; + u8 priority; + int mtu; + + /* Callback for bna_port_disable(), port_stop() */ + void (*stop_cbfn)(void *, enum bna_cb_status); + void *stop_cbarg; + + /* Callback for bna_port_pause_config() */ + void (*pause_cbfn)(struct bnad *, enum bna_cb_status); + + /* Callback for bna_port_mtu_set() */ + void (*mtu_cbfn)(struct bnad *, enum bna_cb_status); + + void (*link_cbfn)(struct bnad *, enum bna_link_status); + + struct bfa_wc chld_stop_wc; + + struct bna_mbox_qe mbox_qe; + + struct bna *bna; +}; + +/** + * + * Interrupt Block + * + */ + +/* IB index segment structure */ +struct bna_ibidx_seg { + /* This should be the first one */ + struct list_head qe; + + u8 ib_seg_size; + u8 ib_idx_tbl_offset; +}; + +/* Interrupt structure */ +struct bna_intr { + /* This should be the first one */ + struct list_head qe; + int ref_count; + + enum bna_intr_type intr_type; + int vector; + + struct bna_ib *ib; +}; + +/* Doorbell structure */ +struct bna_ib_dbell { + void *__iomem doorbell_addr; + u32 doorbell_ack; +}; + +/* Interrupt timer configuration */ +struct bna_ib_config { + u8 coalescing_timeo; /* Unit is 5usec. */ + + int interpkt_count; + int interpkt_timeo; + + enum ib_flags ctrl_flags; +}; + +/* IB structure */ +struct bna_ib { + /* This should be the first one */ + struct list_head qe; + + int ib_id; + + int ref_count; + int start_count; + + struct bna_dma_addr ib_seg_host_addr; + void *ib_seg_host_addr_kva; + u32 idx_mask; /* Size >= BNA_IBIDX_MAX_SEGSIZE */ + + struct bna_ibidx_seg *idx_seg; + + struct bna_ib_dbell door_bell; + + struct bna_intr *intr; + + struct bna_ib_config ib_config; + + struct bna *bna; +}; + +/* IB module - keeps track of IBs and interrupts */ +struct bna_ib_mod { + struct bna_ib *ib; /* BFI_MAX_IB entries */ + struct bna_intr *intr; /* BFI_MAX_IB entries */ + struct bna_ibidx_seg *idx_seg; /* BNA_IBIDX_TOTAL_SEGS */ + + struct list_head ib_free_q; + + struct list_head ibidx_seg_pool[BFI_IBIDX_TOTAL_POOLS]; + + struct list_head intr_free_q; + struct list_head intr_active_q; + + struct bna *bna; +}; + +/** + * + * Tx object + * + */ + +/* Tx datapath control structure */ +#define BNA_Q_NAME_SIZE 16 +struct bna_tcb { + /* Fast path */ + void **sw_qpt; + void *unmap_q; + u32 producer_index; + u32 consumer_index; + volatile u32 *hw_consumer_index; + u32 q_depth; + void *__iomem q_dbell; + struct bna_ib_dbell *i_dbell; + int page_idx; + int page_count; + /* Control path */ + struct bna_txq *txq; + struct bnad *bnad; + enum bna_intr_type intr_type; + int intr_vector; + u8 priority; /* Current priority */ + unsigned long flags; /* Used by bnad as required */ + int id; + char name[BNA_Q_NAME_SIZE]; +}; + +/* TxQ QPT and configuration */ +struct bna_txq { + /* This should be the first one */ + struct list_head qe; + + int txq_id; + + u8 priority; + + struct bna_qpt qpt; + struct bna_tcb *tcb; + struct bna_ib *ib; + int ib_seg_offset; + + struct bna_tx *tx; + + u64 tx_packets; + u64 tx_bytes; +}; + +/* TxF structure (hardware Tx Function) */ +struct bna_txf { + int txf_id; + enum txf_flags ctrl_flags; + u16 vlan; +}; + +/* Tx object */ +struct bna_tx { + /* This should be the first one */ + struct list_head qe; + + bfa_fsm_t fsm; + enum bna_tx_flags flags; + + enum bna_tx_type type; + + struct list_head txq_q; + struct bna_txf txf; + + /* Tx event handlers */ + void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *); + void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *); + void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *); + void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *); + void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *); + + /* callback for bna_tx_disable(), bna_tx_stop() */ + void (*stop_cbfn)(void *arg, struct bna_tx *tx, + enum bna_cb_status status); + void *stop_cbarg; + + /* callback for bna_tx_prio_set() */ + void (*prio_change_cbfn)(struct bnad *bnad, struct bna_tx *tx, + enum bna_cb_status status); + + struct bfa_wc txq_stop_wc; + + struct bna_mbox_qe mbox_qe; + + struct bna *bna; + void *priv; /* bnad's cookie */ +}; + +struct bna_tx_config { + int num_txq; + int txq_depth; + enum bna_tx_type tx_type; +}; + +struct bna_tx_event_cbfn { + /* Optional */ + void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *); + void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *); + /* Mandatory */ + void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *); + void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *); + void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *); +}; + +/* Tx module - keeps track of free, active tx objects */ +struct bna_tx_mod { + struct bna_tx *tx; /* BFI_MAX_TXQ entries */ + struct bna_txq *txq; /* BFI_MAX_TXQ entries */ + + struct list_head tx_free_q; + struct list_head tx_active_q; + + struct list_head txq_free_q; + + /* callback for bna_tx_mod_stop() */ + void (*stop_cbfn)(struct bna_port *port, + enum bna_cb_status status); + + struct bfa_wc tx_stop_wc; + + enum bna_tx_mod_flags flags; + + int priority; + int cee_link; + + u32 txf_bmap[2]; + + struct bna *bna; +}; + +/** + * + * Receive Indirection Table + * + */ + +/* One row of RIT table */ +struct bna_rit_entry { + u8 large_rxq_id; /* used for either large or data buffers */ + u8 small_rxq_id; /* used for either small or header buffers */ +}; + +/* RIT segment */ +struct bna_rit_segment { + struct list_head qe; + + u32 rit_offset; + u32 rit_size; + /** + * max_rit_size: Varies per RIT segment depending on how RIT is + * partitioned + */ + u32 max_rit_size; + + struct bna_rit_entry *rit; +}; + +struct bna_rit_mod { + struct bna_rit_entry *rit; + struct bna_rit_segment *rit_segment; + + struct list_head rit_seg_pool[BFI_RIT_SEG_TOTAL_POOLS]; +}; + +/** + * + * Rx object + * + */ + +/* Rx datapath control structure */ +struct bna_rcb { + /* Fast path */ + void **sw_qpt; + void *unmap_q; + u32 producer_index; + u32 consumer_index; + u32 q_depth; + void *__iomem q_dbell; + int page_idx; + int page_count; + /* Control path */ + struct bna_rxq *rxq; + struct bna_cq *cq; + struct bnad *bnad; + unsigned long flags; + int id; +}; + +/* RxQ structure - QPT, configuration */ +struct bna_rxq { + struct list_head qe; + int rxq_id; + + int buffer_size; + int q_depth; + + struct bna_qpt qpt; + struct bna_rcb *rcb; + + struct bna_rxp *rxp; + struct bna_rx *rx; + + u64 rx_packets; + u64 rx_bytes; + u64 rx_packets_with_error; + u64 rxbuf_alloc_failed; +}; + +/* RxQ pair */ +union bna_rxq_u { + struct { + struct bna_rxq *hdr; + struct bna_rxq *data; + } hds; + struct { + struct bna_rxq *small; + struct bna_rxq *large; + } slr; + struct { + struct bna_rxq *only; + struct bna_rxq *reserved; + } single; +}; + +/* Packet rate for Dynamic Interrupt Moderation */ +struct bna_pkt_rate { + u32 small_pkt_cnt; + u32 large_pkt_cnt; +}; + +/* Completion control structure */ +struct bna_ccb { + /* Fast path */ + void **sw_qpt; + u32 producer_index; + volatile u32 *hw_producer_index; + u32 q_depth; + struct bna_ib_dbell *i_dbell; + struct bna_rcb *rcb[2]; + void *ctrl; /* For bnad */ + struct bna_pkt_rate pkt_rate; + int page_idx; + int page_count; + + /* Control path */ + struct bna_cq *cq; + struct bnad *bnad; + enum bna_intr_type intr_type; + int intr_vector; + u8 rx_coalescing_timeo; /* For NAPI */ + int id; + char name[BNA_Q_NAME_SIZE]; +}; + +/* CQ QPT, configuration */ +struct bna_cq { + int cq_id; + + struct bna_qpt qpt; + struct bna_ccb *ccb; + + struct bna_ib *ib; + u8 ib_seg_offset; + + struct bna_rx *rx; +}; + +struct bna_rss_config { + enum rss_hash_type hash_type; + u8 hash_mask; + u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN]; +}; + +struct bna_hds_config { + enum hds_header_type hdr_type; + int header_size; +}; + +/* This structure is used during RX creation */ +struct bna_rx_config { + enum bna_rx_type rx_type; + int num_paths; + enum bna_rxp_type rxp_type; + int paused; + int q_depth; + /* + * Small/Large (or Header/Data) buffer size to be configured + * for SLR and HDS queue type. Large buffer size comes from + * port->mtu. + */ + int small_buff_size; + + enum bna_status rss_status; + struct bna_rss_config rss_config; + + enum bna_status hds_status; + struct bna_hds_config hds_config; + + enum bna_status vlan_strip_status; +}; + +/* Rx Path structure - one per MSIX vector/CPU */ +struct bna_rxp { + /* This should be the first one */ + struct list_head qe; + + enum bna_rxp_type type; + union bna_rxq_u rxq; + struct bna_cq cq; + + struct bna_rx *rx; + + /* MSI-x vector number for configuring RSS */ + int vector; + + struct bna_mbox_qe mbox_qe; +}; + +/* HDS configuration structure */ +struct bna_rxf_hds { + enum hds_header_type hdr_type; + int header_size; +}; + +/* RSS configuration structure */ +struct bna_rxf_rss { + enum rss_hash_type hash_type; + u8 hash_mask; + u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN]; +}; + +/* RxF structure (hardware Rx Function) */ +struct bna_rxf { + bfa_fsm_t fsm; + int rxf_id; + enum rxf_flags ctrl_flags; + u16 default_vlan_tag; + enum bna_rxf_oper_state rxf_oper_state; + enum bna_status hds_status; + struct bna_rxf_hds hds_cfg; + enum bna_status rss_status; + struct bna_rxf_rss rss_cfg; + struct bna_rit_segment *rit_segment; + struct bna_rx *rx; + u32 forced_offset; + struct bna_mbox_qe mbox_qe; + int mcast_rxq_id; + + /* callback for bna_rxf_start() */ + void (*start_cbfn) (struct bna_rx *rx, enum bna_cb_status status); + struct bna_rx *start_cbarg; + + /* callback for bna_rxf_stop() */ + void (*stop_cbfn) (struct bna_rx *rx, enum bna_cb_status status); + struct bna_rx *stop_cbarg; + + /* callback for bna_rxf_receive_enable() / bna_rxf_receive_disable() */ + void (*oper_state_cbfn) (struct bnad *bnad, struct bna_rx *rx, + enum bna_cb_status status); + struct bnad *oper_state_cbarg; + + /** + * callback for: + * bna_rxf_ucast_set() + * bna_rxf_{ucast/mcast}_add(), + * bna_rxf_{ucast/mcast}_del(), + * bna_rxf_mode_set() + */ + void (*cam_fltr_cbfn)(struct bnad *bnad, struct bna_rx *rx, + enum bna_cb_status status); + struct bnad *cam_fltr_cbarg; + + enum bna_rxf_flags rxf_flags; + + /* List of unicast addresses yet to be applied to h/w */ + struct list_head ucast_pending_add_q; + struct list_head ucast_pending_del_q; + int ucast_pending_set; + /* ucast addresses applied to the h/w */ + struct list_head ucast_active_q; + struct bna_mac *ucast_active_mac; + + /* List of multicast addresses yet to be applied to h/w */ + struct list_head mcast_pending_add_q; + struct list_head mcast_pending_del_q; + /* multicast addresses applied to the h/w */ + struct list_head mcast_active_q; + + /* Rx modes yet to be applied to h/w */ + enum bna_rxmode rxmode_pending; + enum bna_rxmode rxmode_pending_bitmask; + /* Rx modes applied to h/w */ + enum bna_rxmode rxmode_active; + + enum bna_status vlan_filter_status; + u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32]; +}; + +/* Rx object */ +struct bna_rx { + /* This should be the first one */ + struct list_head qe; + + bfa_fsm_t fsm; + + enum bna_rx_type type; + + /* list-head for RX path objects */ + struct list_head rxp_q; + + struct bna_rxf rxf; + + enum bna_rx_flags rx_flags; + + struct bna_mbox_qe mbox_qe; + + struct bfa_wc rxq_stop_wc; + + /* Rx event handlers */ + void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *); + void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); + void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); + void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); + void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *); + void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *); + + /* callback for bna_rx_disable(), bna_rx_stop() */ + void (*stop_cbfn)(void *arg, struct bna_rx *rx, + enum bna_cb_status status); + void *stop_cbarg; + + struct bna *bna; + void *priv; /* bnad's cookie */ +}; + +struct bna_rx_event_cbfn { + /* Optional */ + void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *); + void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); + void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); + void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); + /* Mandatory */ + void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *); + void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *); +}; + +/* Rx module - keeps track of free, active rx objects */ +struct bna_rx_mod { + struct bna *bna; /* back pointer to parent */ + struct bna_rx *rx; /* BFI_MAX_RXQ entries */ + struct bna_rxp *rxp; /* BFI_MAX_RXQ entries */ + struct bna_rxq *rxq; /* BFI_MAX_RXQ entries */ + + struct list_head rx_free_q; + struct list_head rx_active_q; + int rx_free_count; + + struct list_head rxp_free_q; + int rxp_free_count; + + struct list_head rxq_free_q; + int rxq_free_count; + + enum bna_rx_mod_flags flags; + + /* callback for bna_rx_mod_stop() */ + void (*stop_cbfn)(struct bna_port *port, + enum bna_cb_status status); + + struct bfa_wc rx_stop_wc; + u32 dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX]; + u32 rxf_bmap[2]; +}; + +/** + * + * CAM + * + */ + +struct bna_ucam_mod { + struct bna_mac *ucmac; /* BFI_MAX_UCMAC entries */ + struct list_head free_q; + + struct bna *bna; +}; + +struct bna_mcam_mod { + struct bna_mac *mcmac; /* BFI_MAX_MCMAC entries */ + struct list_head free_q; + + struct bna *bna; +}; + +/** + * + * Statistics + * + */ + +struct bna_tx_stats { + int tx_state; + int tx_flags; + int num_txqs; + u32 txq_bmap[2]; + int txf_id; +}; + +struct bna_rx_stats { + int rx_state; + int rx_flags; + int num_rxps; + int num_rxqs; + u32 rxq_bmap[2]; + u32 cq_bmap[2]; + int rxf_id; + int rxf_state; + int rxf_oper_state; + int num_active_ucast; + int num_active_mcast; + int rxmode_active; + int vlan_filter_status; + u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32]; + int rss_status; + int hds_status; +}; + +struct bna_sw_stats { + int device_state; + int port_state; + int port_flags; + int llport_state; + int priority; + int num_active_tx; + int num_active_rx; + struct bna_tx_stats tx_stats[BFI_MAX_TXQ]; + struct bna_rx_stats rx_stats[BFI_MAX_RXQ]; +}; + +struct bna_stats { + u32 txf_bmap[2]; + u32 rxf_bmap[2]; + struct bfi_ll_stats *hw_stats; + struct bna_sw_stats *sw_stats; +}; + +/** + * + * BNA + * + */ + +struct bna { + struct bfa_pcidev pcidev; + + int port_num; + + struct bna_chip_regs regs; + + struct bna_dma_addr hw_stats_dma; + struct bna_stats stats; + + struct bna_device device; + struct bfa_cee cee; + + struct bna_mbox_mod mbox_mod; + + struct bna_port port; + + struct bna_tx_mod tx_mod; + + struct bna_rx_mod rx_mod; + + struct bna_ib_mod ib_mod; + + struct bna_ucam_mod ucam_mod; + struct bna_mcam_mod mcam_mod; + + struct bna_rit_mod rit_mod; + + int rxf_promisc_id; + + struct bna_mbox_qe mbox_qe; + + struct bnad *bnad; +}; + +#endif /* __BNA_TYPES_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c new file mode 100644 index 000000000000..8e35b2596f93 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -0,0 +1,3266 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "bnad.h" +#include "bna.h" +#include "cna.h" + +static DEFINE_MUTEX(bnad_fwimg_mutex); + +/* + * Module params + */ +static uint bnad_msix_disable; +module_param(bnad_msix_disable, uint, 0444); +MODULE_PARM_DESC(bnad_msix_disable, "Disable MSIX mode"); + +static uint bnad_ioc_auto_recover = 1; +module_param(bnad_ioc_auto_recover, uint, 0444); +MODULE_PARM_DESC(bnad_ioc_auto_recover, "Enable / Disable auto recovery"); + +/* + * Global variables + */ +u32 bnad_rxqs_per_cq = 2; + +static const u8 bnad_bcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + +/* + * Local MACROS + */ +#define BNAD_TX_UNMAPQ_DEPTH (bnad->txq_depth * 2) + +#define BNAD_RX_UNMAPQ_DEPTH (bnad->rxq_depth) + +#define BNAD_GET_MBOX_IRQ(_bnad) \ + (((_bnad)->cfg_flags & BNAD_CF_MSIX) ? \ + ((_bnad)->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector) : \ + ((_bnad)->pcidev->irq)) + +#define BNAD_FILL_UNMAPQ_MEM_REQ(_res_info, _num, _depth) \ +do { \ + (_res_info)->res_type = BNA_RES_T_MEM; \ + (_res_info)->res_u.mem_info.mem_type = BNA_MEM_T_KVA; \ + (_res_info)->res_u.mem_info.num = (_num); \ + (_res_info)->res_u.mem_info.len = \ + sizeof(struct bnad_unmap_q) + \ + (sizeof(struct bnad_skb_unmap) * ((_depth) - 1)); \ +} while (0) + +#define BNAD_TXRX_SYNC_MDELAY 250 /* 250 msecs */ + +/* + * Reinitialize completions in CQ, once Rx is taken down + */ +static void +bnad_cq_cmpl_init(struct bnad *bnad, struct bna_ccb *ccb) +{ + struct bna_cq_entry *cmpl, *next_cmpl; + unsigned int wi_range, wis = 0, ccb_prod = 0; + int i; + + BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt, cmpl, + wi_range); + + for (i = 0; i < ccb->q_depth; i++) { + wis++; + if (likely(--wi_range)) + next_cmpl = cmpl + 1; + else { + BNA_QE_INDX_ADD(ccb_prod, wis, ccb->q_depth); + wis = 0; + BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt, + next_cmpl, wi_range); + } + cmpl->valid = 0; + cmpl = next_cmpl; + } +} + +/* + * Frees all pending Tx Bufs + * At this point no activity is expected on the Q, + * so DMA unmap & freeing is fine. + */ +static void +bnad_free_all_txbufs(struct bnad *bnad, + struct bna_tcb *tcb) +{ + u32 unmap_cons; + struct bnad_unmap_q *unmap_q = tcb->unmap_q; + struct bnad_skb_unmap *unmap_array; + struct sk_buff *skb = NULL; + int i; + + unmap_array = unmap_q->unmap_array; + + unmap_cons = 0; + while (unmap_cons < unmap_q->q_depth) { + skb = unmap_array[unmap_cons].skb; + if (!skb) { + unmap_cons++; + continue; + } + unmap_array[unmap_cons].skb = NULL; + + dma_unmap_single(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), skb_headlen(skb), + DMA_TO_DEVICE); + + dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0); + if (++unmap_cons >= unmap_q->q_depth) + break; + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + dma_unmap_page(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), + skb_shinfo(skb)->frags[i].size, + DMA_TO_DEVICE); + dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, + 0); + if (++unmap_cons >= unmap_q->q_depth) + break; + } + dev_kfree_skb_any(skb); + } +} + +/* Data Path Handlers */ + +/* + * bnad_free_txbufs : Frees the Tx bufs on Tx completion + * Can be called in a) Interrupt context + * b) Sending context + * c) Tasklet context + */ +static u32 +bnad_free_txbufs(struct bnad *bnad, + struct bna_tcb *tcb) +{ + u32 sent_packets = 0, sent_bytes = 0; + u16 wis, unmap_cons, updated_hw_cons; + struct bnad_unmap_q *unmap_q = tcb->unmap_q; + struct bnad_skb_unmap *unmap_array; + struct sk_buff *skb; + int i; + + /* + * Just return if TX is stopped. This check is useful + * when bnad_free_txbufs() runs out of a tasklet scheduled + * before bnad_cb_tx_cleanup() cleared BNAD_TXQ_TX_STARTED bit + * but this routine runs actually after the cleanup has been + * executed. + */ + if (!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) + return 0; + + updated_hw_cons = *(tcb->hw_consumer_index); + + wis = BNA_Q_INDEX_CHANGE(tcb->consumer_index, + updated_hw_cons, tcb->q_depth); + + BUG_ON(!(wis <= BNA_QE_IN_USE_CNT(tcb, tcb->q_depth))); + + unmap_array = unmap_q->unmap_array; + unmap_cons = unmap_q->consumer_index; + + prefetch(&unmap_array[unmap_cons + 1]); + while (wis) { + skb = unmap_array[unmap_cons].skb; + + unmap_array[unmap_cons].skb = NULL; + + sent_packets++; + sent_bytes += skb->len; + wis -= BNA_TXQ_WI_NEEDED(1 + skb_shinfo(skb)->nr_frags); + + dma_unmap_single(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), skb_headlen(skb), + DMA_TO_DEVICE); + dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0); + BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth); + + prefetch(&unmap_array[unmap_cons + 1]); + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + prefetch(&unmap_array[unmap_cons + 1]); + + dma_unmap_page(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), + skb_shinfo(skb)->frags[i].size, + DMA_TO_DEVICE); + dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, + 0); + BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth); + } + dev_kfree_skb_any(skb); + } + + /* Update consumer pointers. */ + tcb->consumer_index = updated_hw_cons; + unmap_q->consumer_index = unmap_cons; + + tcb->txq->tx_packets += sent_packets; + tcb->txq->tx_bytes += sent_bytes; + + return sent_packets; +} + +/* Tx Free Tasklet function */ +/* Frees for all the tcb's in all the Tx's */ +/* + * Scheduled from sending context, so that + * the fat Tx lock is not held for too long + * in the sending context. + */ +static void +bnad_tx_free_tasklet(unsigned long bnad_ptr) +{ + struct bnad *bnad = (struct bnad *)bnad_ptr; + struct bna_tcb *tcb; + u32 acked = 0; + int i, j; + + for (i = 0; i < bnad->num_tx; i++) { + for (j = 0; j < bnad->num_txq_per_tx; j++) { + tcb = bnad->tx_info[i].tcb[j]; + if (!tcb) + continue; + if (((u16) (*tcb->hw_consumer_index) != + tcb->consumer_index) && + (!test_and_set_bit(BNAD_TXQ_FREE_SENT, + &tcb->flags))) { + acked = bnad_free_txbufs(bnad, tcb); + if (likely(test_bit(BNAD_TXQ_TX_STARTED, + &tcb->flags))) + bna_ib_ack(tcb->i_dbell, acked); + smp_mb__before_clear_bit(); + clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); + } + if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, + &tcb->flags))) + continue; + if (netif_queue_stopped(bnad->netdev)) { + if (acked && netif_carrier_ok(bnad->netdev) && + BNA_QE_FREE_CNT(tcb, tcb->q_depth) >= + BNAD_NETIF_WAKE_THRESHOLD) { + netif_wake_queue(bnad->netdev); + /* TODO */ + /* Counters for individual TxQs? */ + BNAD_UPDATE_CTR(bnad, + netif_queue_wakeup); + } + } + } + } +} + +static u32 +bnad_tx(struct bnad *bnad, struct bna_tcb *tcb) +{ + struct net_device *netdev = bnad->netdev; + u32 sent = 0; + + if (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) + return 0; + + sent = bnad_free_txbufs(bnad, tcb); + if (sent) { + if (netif_queue_stopped(netdev) && + netif_carrier_ok(netdev) && + BNA_QE_FREE_CNT(tcb, tcb->q_depth) >= + BNAD_NETIF_WAKE_THRESHOLD) { + if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) { + netif_wake_queue(netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); + } + } + } + + if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) + bna_ib_ack(tcb->i_dbell, sent); + + smp_mb__before_clear_bit(); + clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); + + return sent; +} + +/* MSIX Tx Completion Handler */ +static irqreturn_t +bnad_msix_tx(int irq, void *data) +{ + struct bna_tcb *tcb = (struct bna_tcb *)data; + struct bnad *bnad = tcb->bnad; + + bnad_tx(bnad, tcb); + + return IRQ_HANDLED; +} + +static void +bnad_reset_rcb(struct bnad *bnad, struct bna_rcb *rcb) +{ + struct bnad_unmap_q *unmap_q = rcb->unmap_q; + + rcb->producer_index = 0; + rcb->consumer_index = 0; + + unmap_q->producer_index = 0; + unmap_q->consumer_index = 0; +} + +static void +bnad_free_all_rxbufs(struct bnad *bnad, struct bna_rcb *rcb) +{ + struct bnad_unmap_q *unmap_q; + struct bnad_skb_unmap *unmap_array; + struct sk_buff *skb; + int unmap_cons; + + unmap_q = rcb->unmap_q; + unmap_array = unmap_q->unmap_array; + for (unmap_cons = 0; unmap_cons < unmap_q->q_depth; unmap_cons++) { + skb = unmap_array[unmap_cons].skb; + if (!skb) + continue; + unmap_array[unmap_cons].skb = NULL; + dma_unmap_single(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), + rcb->rxq->buffer_size, + DMA_FROM_DEVICE); + dev_kfree_skb(skb); + } + bnad_reset_rcb(bnad, rcb); +} + +static void +bnad_alloc_n_post_rxbufs(struct bnad *bnad, struct bna_rcb *rcb) +{ + u16 to_alloc, alloced, unmap_prod, wi_range; + struct bnad_unmap_q *unmap_q = rcb->unmap_q; + struct bnad_skb_unmap *unmap_array; + struct bna_rxq_entry *rxent; + struct sk_buff *skb; + dma_addr_t dma_addr; + + alloced = 0; + to_alloc = + BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth); + + unmap_array = unmap_q->unmap_array; + unmap_prod = unmap_q->producer_index; + + BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, wi_range); + + while (to_alloc--) { + if (!wi_range) { + BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, + wi_range); + } + skb = netdev_alloc_skb_ip_align(bnad->netdev, + rcb->rxq->buffer_size); + if (unlikely(!skb)) { + BNAD_UPDATE_CTR(bnad, rxbuf_alloc_failed); + goto finishing; + } + unmap_array[unmap_prod].skb = skb; + dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, + rcb->rxq->buffer_size, + DMA_FROM_DEVICE); + dma_unmap_addr_set(&unmap_array[unmap_prod], dma_addr, + dma_addr); + BNA_SET_DMA_ADDR(dma_addr, &rxent->host_addr); + BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); + + rxent++; + wi_range--; + alloced++; + } + +finishing: + if (likely(alloced)) { + unmap_q->producer_index = unmap_prod; + rcb->producer_index = unmap_prod; + smp_mb(); + if (likely(test_bit(BNAD_RXQ_STARTED, &rcb->flags))) + bna_rxq_prod_indx_doorbell(rcb); + } +} + +static inline void +bnad_refill_rxq(struct bnad *bnad, struct bna_rcb *rcb) +{ + struct bnad_unmap_q *unmap_q = rcb->unmap_q; + + if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) { + if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth) + >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT) + bnad_alloc_n_post_rxbufs(bnad, rcb); + smp_mb__before_clear_bit(); + clear_bit(BNAD_RXQ_REFILL, &rcb->flags); + } +} + +static u32 +bnad_poll_cq(struct bnad *bnad, struct bna_ccb *ccb, int budget) +{ + struct bna_cq_entry *cmpl, *next_cmpl; + struct bna_rcb *rcb = NULL; + unsigned int wi_range, packets = 0, wis = 0; + struct bnad_unmap_q *unmap_q; + struct bnad_skb_unmap *unmap_array; + struct sk_buff *skb; + u32 flags, unmap_cons; + u32 qid0 = ccb->rcb[0]->rxq->rxq_id; + struct bna_pkt_rate *pkt_rt = &ccb->pkt_rate; + + if (!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)) + return 0; + + prefetch(bnad->netdev); + BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt, cmpl, + wi_range); + BUG_ON(!(wi_range <= ccb->q_depth)); + while (cmpl->valid && packets < budget) { + packets++; + BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length)); + + if (qid0 == cmpl->rxq_id) + rcb = ccb->rcb[0]; + else + rcb = ccb->rcb[1]; + + unmap_q = rcb->unmap_q; + unmap_array = unmap_q->unmap_array; + unmap_cons = unmap_q->consumer_index; + + skb = unmap_array[unmap_cons].skb; + BUG_ON(!(skb)); + unmap_array[unmap_cons].skb = NULL; + dma_unmap_single(&bnad->pcidev->dev, + dma_unmap_addr(&unmap_array[unmap_cons], + dma_addr), + rcb->rxq->buffer_size, + DMA_FROM_DEVICE); + BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth); + + /* Should be more efficient ? Performance ? */ + BNA_QE_INDX_ADD(rcb->consumer_index, 1, rcb->q_depth); + + wis++; + if (likely(--wi_range)) + next_cmpl = cmpl + 1; + else { + BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth); + wis = 0; + BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt, + next_cmpl, wi_range); + BUG_ON(!(wi_range <= ccb->q_depth)); + } + prefetch(next_cmpl); + + flags = ntohl(cmpl->flags); + if (unlikely + (flags & + (BNA_CQ_EF_MAC_ERROR | BNA_CQ_EF_FCS_ERROR | + BNA_CQ_EF_TOO_LONG))) { + dev_kfree_skb_any(skb); + rcb->rxq->rx_packets_with_error++; + goto next; + } + + skb_put(skb, ntohs(cmpl->length)); + if (likely + ((bnad->netdev->features & NETIF_F_RXCSUM) && + (((flags & BNA_CQ_EF_IPV4) && + (flags & BNA_CQ_EF_L3_CKSUM_OK)) || + (flags & BNA_CQ_EF_IPV6)) && + (flags & (BNA_CQ_EF_TCP | BNA_CQ_EF_UDP)) && + (flags & BNA_CQ_EF_L4_CKSUM_OK))) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb_checksum_none_assert(skb); + + rcb->rxq->rx_packets++; + rcb->rxq->rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, bnad->netdev); + + if (flags & BNA_CQ_EF_VLAN) + __vlan_hwaccel_put_tag(skb, ntohs(cmpl->vlan_tag)); + + if (skb->ip_summed == CHECKSUM_UNNECESSARY) { + struct bnad_rx_ctrl *rx_ctrl; + + rx_ctrl = (struct bnad_rx_ctrl *) ccb->ctrl; + napi_gro_receive(&rx_ctrl->napi, skb); + } else { + netif_receive_skb(skb); + } + +next: + cmpl->valid = 0; + cmpl = next_cmpl; + } + + BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth); + + if (likely(ccb)) { + if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) + bna_ib_ack(ccb->i_dbell, packets); + bnad_refill_rxq(bnad, ccb->rcb[0]); + if (ccb->rcb[1]) + bnad_refill_rxq(bnad, ccb->rcb[1]); + } else { + if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) + bna_ib_ack(ccb->i_dbell, 0); + } + + return packets; +} + +static void +bnad_disable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb) +{ + if (unlikely(!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) + return; + + bna_ib_coalescing_timer_set(ccb->i_dbell, 0); + bna_ib_ack(ccb->i_dbell, 0); +} + +static void +bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb) +{ + unsigned long flags; + + /* Because of polling context */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bnad_enable_rx_irq_unsafe(ccb); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +static void +bnad_netif_rx_schedule_poll(struct bnad *bnad, struct bna_ccb *ccb) +{ + struct bnad_rx_ctrl *rx_ctrl = (struct bnad_rx_ctrl *)(ccb->ctrl); + struct napi_struct *napi = &rx_ctrl->napi; + + if (likely(napi_schedule_prep(napi))) { + bnad_disable_rx_irq(bnad, ccb); + __napi_schedule(napi); + } + BNAD_UPDATE_CTR(bnad, netif_rx_schedule); +} + +/* MSIX Rx Path Handler */ +static irqreturn_t +bnad_msix_rx(int irq, void *data) +{ + struct bna_ccb *ccb = (struct bna_ccb *)data; + struct bnad *bnad = ccb->bnad; + + bnad_netif_rx_schedule_poll(bnad, ccb); + + return IRQ_HANDLED; +} + +/* Interrupt handlers */ + +/* Mbox Interrupt Handlers */ +static irqreturn_t +bnad_msix_mbox_handler(int irq, void *data) +{ + u32 intr_status; + unsigned long flags; + struct bnad *bnad = (struct bnad *)data; + + if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags))) + return IRQ_HANDLED; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + bna_intr_status_get(&bnad->bna, intr_status); + + if (BNA_IS_MBOX_ERR_INTR(intr_status)) + bna_mbox_handler(&bnad->bna, intr_status); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + return IRQ_HANDLED; +} + +static irqreturn_t +bnad_isr(int irq, void *data) +{ + int i, j; + u32 intr_status; + unsigned long flags; + struct bnad *bnad = (struct bnad *)data; + struct bnad_rx_info *rx_info; + struct bnad_rx_ctrl *rx_ctrl; + + if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags))) + return IRQ_NONE; + + bna_intr_status_get(&bnad->bna, intr_status); + + if (unlikely(!intr_status)) + return IRQ_NONE; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + if (BNA_IS_MBOX_ERR_INTR(intr_status)) + bna_mbox_handler(&bnad->bna, intr_status); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + if (!BNA_IS_INTX_DATA_INTR(intr_status)) + return IRQ_HANDLED; + + /* Process data interrupts */ + /* Tx processing */ + for (i = 0; i < bnad->num_tx; i++) { + for (j = 0; j < bnad->num_txq_per_tx; j++) + bnad_tx(bnad, bnad->tx_info[i].tcb[j]); + } + /* Rx processing */ + for (i = 0; i < bnad->num_rx; i++) { + rx_info = &bnad->rx_info[i]; + if (!rx_info->rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + rx_ctrl = &rx_info->rx_ctrl[j]; + if (rx_ctrl->ccb) + bnad_netif_rx_schedule_poll(bnad, + rx_ctrl->ccb); + } + } + return IRQ_HANDLED; +} + +/* + * Called in interrupt / callback context + * with bna_lock held, so cfg_flags access is OK + */ +static void +bnad_enable_mbox_irq(struct bnad *bnad) +{ + clear_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); + + BNAD_UPDATE_CTR(bnad, mbox_intr_enabled); +} + +/* + * Called with bnad->bna_lock held b'cos of + * bnad->cfg_flags access. + */ +static void +bnad_disable_mbox_irq(struct bnad *bnad) +{ + set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); + + BNAD_UPDATE_CTR(bnad, mbox_intr_disabled); +} + +static void +bnad_set_netdev_perm_addr(struct bnad *bnad) +{ + struct net_device *netdev = bnad->netdev; + + memcpy(netdev->perm_addr, &bnad->perm_addr, netdev->addr_len); + if (is_zero_ether_addr(netdev->dev_addr)) + memcpy(netdev->dev_addr, &bnad->perm_addr, netdev->addr_len); +} + +/* Control Path Handlers */ + +/* Callbacks */ +void +bnad_cb_device_enable_mbox_intr(struct bnad *bnad) +{ + bnad_enable_mbox_irq(bnad); +} + +void +bnad_cb_device_disable_mbox_intr(struct bnad *bnad) +{ + bnad_disable_mbox_irq(bnad); +} + +void +bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status) +{ + complete(&bnad->bnad_completions.ioc_comp); + bnad->bnad_completions.ioc_comp_status = status; +} + +void +bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status) +{ + complete(&bnad->bnad_completions.ioc_comp); + bnad->bnad_completions.ioc_comp_status = status; +} + +static void +bnad_cb_port_disabled(void *arg, enum bna_cb_status status) +{ + struct bnad *bnad = (struct bnad *)arg; + + complete(&bnad->bnad_completions.port_comp); + + netif_carrier_off(bnad->netdev); +} + +void +bnad_cb_port_link_status(struct bnad *bnad, + enum bna_link_status link_status) +{ + bool link_up = 0; + + link_up = (link_status == BNA_LINK_UP) || (link_status == BNA_CEE_UP); + + if (link_status == BNA_CEE_UP) { + set_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags); + BNAD_UPDATE_CTR(bnad, cee_up); + } else + clear_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags); + + if (link_up) { + if (!netif_carrier_ok(bnad->netdev)) { + struct bna_tcb *tcb = bnad->tx_info[0].tcb[0]; + if (!tcb) + return; + pr_warn("bna: %s link up\n", + bnad->netdev->name); + netif_carrier_on(bnad->netdev); + BNAD_UPDATE_CTR(bnad, link_toggle); + if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) { + /* Force an immediate Transmit Schedule */ + pr_info("bna: %s TX_STARTED\n", + bnad->netdev->name); + netif_wake_queue(bnad->netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); + } else { + netif_stop_queue(bnad->netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_stop); + } + } + } else { + if (netif_carrier_ok(bnad->netdev)) { + pr_warn("bna: %s link down\n", + bnad->netdev->name); + netif_carrier_off(bnad->netdev); + BNAD_UPDATE_CTR(bnad, link_toggle); + } + } +} + +static void +bnad_cb_tx_disabled(void *arg, struct bna_tx *tx, + enum bna_cb_status status) +{ + struct bnad *bnad = (struct bnad *)arg; + + complete(&bnad->bnad_completions.tx_comp); +} + +static void +bnad_cb_tcb_setup(struct bnad *bnad, struct bna_tcb *tcb) +{ + struct bnad_tx_info *tx_info = + (struct bnad_tx_info *)tcb->txq->tx->priv; + struct bnad_unmap_q *unmap_q = tcb->unmap_q; + + tx_info->tcb[tcb->id] = tcb; + unmap_q->producer_index = 0; + unmap_q->consumer_index = 0; + unmap_q->q_depth = BNAD_TX_UNMAPQ_DEPTH; +} + +static void +bnad_cb_tcb_destroy(struct bnad *bnad, struct bna_tcb *tcb) +{ + struct bnad_tx_info *tx_info = + (struct bnad_tx_info *)tcb->txq->tx->priv; + struct bnad_unmap_q *unmap_q = tcb->unmap_q; + + while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) + cpu_relax(); + + bnad_free_all_txbufs(bnad, tcb); + + unmap_q->producer_index = 0; + unmap_q->consumer_index = 0; + + smp_mb__before_clear_bit(); + clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); + + tx_info->tcb[tcb->id] = NULL; +} + +static void +bnad_cb_rcb_setup(struct bnad *bnad, struct bna_rcb *rcb) +{ + struct bnad_unmap_q *unmap_q = rcb->unmap_q; + + unmap_q->producer_index = 0; + unmap_q->consumer_index = 0; + unmap_q->q_depth = BNAD_RX_UNMAPQ_DEPTH; +} + +static void +bnad_cb_rcb_destroy(struct bnad *bnad, struct bna_rcb *rcb) +{ + bnad_free_all_rxbufs(bnad, rcb); +} + +static void +bnad_cb_ccb_setup(struct bnad *bnad, struct bna_ccb *ccb) +{ + struct bnad_rx_info *rx_info = + (struct bnad_rx_info *)ccb->cq->rx->priv; + + rx_info->rx_ctrl[ccb->id].ccb = ccb; + ccb->ctrl = &rx_info->rx_ctrl[ccb->id]; +} + +static void +bnad_cb_ccb_destroy(struct bnad *bnad, struct bna_ccb *ccb) +{ + struct bnad_rx_info *rx_info = + (struct bnad_rx_info *)ccb->cq->rx->priv; + + rx_info->rx_ctrl[ccb->id].ccb = NULL; +} + +static void +bnad_cb_tx_stall(struct bnad *bnad, struct bna_tcb *tcb) +{ + struct bnad_tx_info *tx_info = + (struct bnad_tx_info *)tcb->txq->tx->priv; + + if (tx_info != &bnad->tx_info[0]) + return; + + clear_bit(BNAD_TXQ_TX_STARTED, &tcb->flags); + netif_stop_queue(bnad->netdev); + pr_info("bna: %s TX_STOPPED\n", bnad->netdev->name); +} + +static void +bnad_cb_tx_resume(struct bnad *bnad, struct bna_tcb *tcb) +{ + struct bnad_unmap_q *unmap_q = tcb->unmap_q; + + if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) + return; + + clear_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags); + + while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) + cpu_relax(); + + bnad_free_all_txbufs(bnad, tcb); + + unmap_q->producer_index = 0; + unmap_q->consumer_index = 0; + + smp_mb__before_clear_bit(); + clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); + + /* + * Workaround for first device enable failure & we + * get a 0 MAC address. We try to get the MAC address + * again here. + */ + if (is_zero_ether_addr(&bnad->perm_addr.mac[0])) { + bna_port_mac_get(&bnad->bna.port, &bnad->perm_addr); + bnad_set_netdev_perm_addr(bnad); + } + + set_bit(BNAD_TXQ_TX_STARTED, &tcb->flags); + + if (netif_carrier_ok(bnad->netdev)) { + pr_info("bna: %s TX_STARTED\n", bnad->netdev->name); + netif_wake_queue(bnad->netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); + } +} + +static void +bnad_cb_tx_cleanup(struct bnad *bnad, struct bna_tcb *tcb) +{ + /* Delay only once for the whole Tx Path Shutdown */ + if (!test_and_set_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags)) + mdelay(BNAD_TXRX_SYNC_MDELAY); +} + +static void +bnad_cb_rx_cleanup(struct bnad *bnad, + struct bna_ccb *ccb) +{ + clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags); + + if (ccb->rcb[1]) + clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[1]->flags); + + if (!test_and_set_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags)) + mdelay(BNAD_TXRX_SYNC_MDELAY); +} + +static void +bnad_cb_rx_post(struct bnad *bnad, struct bna_rcb *rcb) +{ + struct bnad_unmap_q *unmap_q = rcb->unmap_q; + + clear_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags); + + if (rcb == rcb->cq->ccb->rcb[0]) + bnad_cq_cmpl_init(bnad, rcb->cq->ccb); + + bnad_free_all_rxbufs(bnad, rcb); + + set_bit(BNAD_RXQ_STARTED, &rcb->flags); + + /* Now allocate & post buffers for this RCB */ + /* !!Allocation in callback context */ + if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) { + if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth) + >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT) + bnad_alloc_n_post_rxbufs(bnad, rcb); + smp_mb__before_clear_bit(); + clear_bit(BNAD_RXQ_REFILL, &rcb->flags); + } +} + +static void +bnad_cb_rx_disabled(void *arg, struct bna_rx *rx, + enum bna_cb_status status) +{ + struct bnad *bnad = (struct bnad *)arg; + + complete(&bnad->bnad_completions.rx_comp); +} + +static void +bnad_cb_rx_mcast_add(struct bnad *bnad, struct bna_rx *rx, + enum bna_cb_status status) +{ + bnad->bnad_completions.mcast_comp_status = status; + complete(&bnad->bnad_completions.mcast_comp); +} + +void +bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status, + struct bna_stats *stats) +{ + if (status == BNA_CB_SUCCESS) + BNAD_UPDATE_CTR(bnad, hw_stats_updates); + + if (!netif_running(bnad->netdev) || + !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) + return; + + mod_timer(&bnad->stats_timer, + jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ)); +} + +/* Resource allocation, free functions */ + +static void +bnad_mem_free(struct bnad *bnad, + struct bna_mem_info *mem_info) +{ + int i; + dma_addr_t dma_pa; + + if (mem_info->mdl == NULL) + return; + + for (i = 0; i < mem_info->num; i++) { + if (mem_info->mdl[i].kva != NULL) { + if (mem_info->mem_type == BNA_MEM_T_DMA) { + BNA_GET_DMA_ADDR(&(mem_info->mdl[i].dma), + dma_pa); + dma_free_coherent(&bnad->pcidev->dev, + mem_info->mdl[i].len, + mem_info->mdl[i].kva, dma_pa); + } else + kfree(mem_info->mdl[i].kva); + } + } + kfree(mem_info->mdl); + mem_info->mdl = NULL; +} + +static int +bnad_mem_alloc(struct bnad *bnad, + struct bna_mem_info *mem_info) +{ + int i; + dma_addr_t dma_pa; + + if ((mem_info->num == 0) || (mem_info->len == 0)) { + mem_info->mdl = NULL; + return 0; + } + + mem_info->mdl = kcalloc(mem_info->num, sizeof(struct bna_mem_descr), + GFP_KERNEL); + if (mem_info->mdl == NULL) + return -ENOMEM; + + if (mem_info->mem_type == BNA_MEM_T_DMA) { + for (i = 0; i < mem_info->num; i++) { + mem_info->mdl[i].len = mem_info->len; + mem_info->mdl[i].kva = + dma_alloc_coherent(&bnad->pcidev->dev, + mem_info->len, &dma_pa, + GFP_KERNEL); + + if (mem_info->mdl[i].kva == NULL) + goto err_return; + + BNA_SET_DMA_ADDR(dma_pa, + &(mem_info->mdl[i].dma)); + } + } else { + for (i = 0; i < mem_info->num; i++) { + mem_info->mdl[i].len = mem_info->len; + mem_info->mdl[i].kva = kzalloc(mem_info->len, + GFP_KERNEL); + if (mem_info->mdl[i].kva == NULL) + goto err_return; + } + } + + return 0; + +err_return: + bnad_mem_free(bnad, mem_info); + return -ENOMEM; +} + +/* Free IRQ for Mailbox */ +static void +bnad_mbox_irq_free(struct bnad *bnad, + struct bna_intr_info *intr_info) +{ + int irq; + unsigned long flags; + + if (intr_info->idl == NULL) + return; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bnad_disable_mbox_irq(bnad); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + irq = BNAD_GET_MBOX_IRQ(bnad); + free_irq(irq, bnad); + + kfree(intr_info->idl); +} + +/* + * Allocates IRQ for Mailbox, but keep it disabled + * This will be enabled once we get the mbox enable callback + * from bna + */ +static int +bnad_mbox_irq_alloc(struct bnad *bnad, + struct bna_intr_info *intr_info) +{ + int err = 0; + unsigned long irq_flags, flags; + u32 irq; + irq_handler_t irq_handler; + + /* Mbox should use only 1 vector */ + + intr_info->idl = kzalloc(sizeof(*(intr_info->idl)), GFP_KERNEL); + if (!intr_info->idl) + return -ENOMEM; + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (bnad->cfg_flags & BNAD_CF_MSIX) { + irq_handler = (irq_handler_t)bnad_msix_mbox_handler; + irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector; + irq_flags = 0; + intr_info->intr_type = BNA_INTR_T_MSIX; + intr_info->idl[0].vector = BNAD_MAILBOX_MSIX_INDEX; + } else { + irq_handler = (irq_handler_t)bnad_isr; + irq = bnad->pcidev->irq; + irq_flags = IRQF_SHARED; + intr_info->intr_type = BNA_INTR_T_INTX; + } + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + sprintf(bnad->mbox_irq_name, "%s", BNAD_NAME); + + /* + * Set the Mbox IRQ disable flag, so that the IRQ handler + * called from request_irq() for SHARED IRQs do not execute + */ + set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags); + + BNAD_UPDATE_CTR(bnad, mbox_intr_disabled); + + err = request_irq(irq, irq_handler, irq_flags, + bnad->mbox_irq_name, bnad); + + if (err) { + kfree(intr_info->idl); + intr_info->idl = NULL; + } + + return err; +} + +static void +bnad_txrx_irq_free(struct bnad *bnad, struct bna_intr_info *intr_info) +{ + kfree(intr_info->idl); + intr_info->idl = NULL; +} + +/* Allocates Interrupt Descriptor List for MSIX/INT-X vectors */ +static int +bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src, + uint txrx_id, struct bna_intr_info *intr_info) +{ + int i, vector_start = 0; + u32 cfg_flags; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + cfg_flags = bnad->cfg_flags; + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + if (cfg_flags & BNAD_CF_MSIX) { + intr_info->intr_type = BNA_INTR_T_MSIX; + intr_info->idl = kcalloc(intr_info->num, + sizeof(struct bna_intr_descr), + GFP_KERNEL); + if (!intr_info->idl) + return -ENOMEM; + + switch (src) { + case BNAD_INTR_TX: + vector_start = BNAD_MAILBOX_MSIX_VECTORS + txrx_id; + break; + + case BNAD_INTR_RX: + vector_start = BNAD_MAILBOX_MSIX_VECTORS + + (bnad->num_tx * bnad->num_txq_per_tx) + + txrx_id; + break; + + default: + BUG(); + } + + for (i = 0; i < intr_info->num; i++) + intr_info->idl[i].vector = vector_start + i; + } else { + intr_info->intr_type = BNA_INTR_T_INTX; + intr_info->num = 1; + intr_info->idl = kcalloc(intr_info->num, + sizeof(struct bna_intr_descr), + GFP_KERNEL); + if (!intr_info->idl) + return -ENOMEM; + + switch (src) { + case BNAD_INTR_TX: + intr_info->idl[0].vector = BNAD_INTX_TX_IB_BITMASK; + break; + + case BNAD_INTR_RX: + intr_info->idl[0].vector = BNAD_INTX_RX_IB_BITMASK; + break; + } + } + return 0; +} + +/** + * NOTE: Should be called for MSIX only + * Unregisters Tx MSIX vector(s) from the kernel + */ +static void +bnad_tx_msix_unregister(struct bnad *bnad, struct bnad_tx_info *tx_info, + int num_txqs) +{ + int i; + int vector_num; + + for (i = 0; i < num_txqs; i++) { + if (tx_info->tcb[i] == NULL) + continue; + + vector_num = tx_info->tcb[i]->intr_vector; + free_irq(bnad->msix_table[vector_num].vector, tx_info->tcb[i]); + } +} + +/** + * NOTE: Should be called for MSIX only + * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel + */ +static int +bnad_tx_msix_register(struct bnad *bnad, struct bnad_tx_info *tx_info, + uint tx_id, int num_txqs) +{ + int i; + int err; + int vector_num; + + for (i = 0; i < num_txqs; i++) { + vector_num = tx_info->tcb[i]->intr_vector; + sprintf(tx_info->tcb[i]->name, "%s TXQ %d", bnad->netdev->name, + tx_id + tx_info->tcb[i]->id); + err = request_irq(bnad->msix_table[vector_num].vector, + (irq_handler_t)bnad_msix_tx, 0, + tx_info->tcb[i]->name, + tx_info->tcb[i]); + if (err) + goto err_return; + } + + return 0; + +err_return: + if (i > 0) + bnad_tx_msix_unregister(bnad, tx_info, (i - 1)); + return -1; +} + +/** + * NOTE: Should be called for MSIX only + * Unregisters Rx MSIX vector(s) from the kernel + */ +static void +bnad_rx_msix_unregister(struct bnad *bnad, struct bnad_rx_info *rx_info, + int num_rxps) +{ + int i; + int vector_num; + + for (i = 0; i < num_rxps; i++) { + if (rx_info->rx_ctrl[i].ccb == NULL) + continue; + + vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; + free_irq(bnad->msix_table[vector_num].vector, + rx_info->rx_ctrl[i].ccb); + } +} + +/** + * NOTE: Should be called for MSIX only + * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel + */ +static int +bnad_rx_msix_register(struct bnad *bnad, struct bnad_rx_info *rx_info, + uint rx_id, int num_rxps) +{ + int i; + int err; + int vector_num; + + for (i = 0; i < num_rxps; i++) { + vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; + sprintf(rx_info->rx_ctrl[i].ccb->name, "%s CQ %d", + bnad->netdev->name, + rx_id + rx_info->rx_ctrl[i].ccb->id); + err = request_irq(bnad->msix_table[vector_num].vector, + (irq_handler_t)bnad_msix_rx, 0, + rx_info->rx_ctrl[i].ccb->name, + rx_info->rx_ctrl[i].ccb); + if (err) + goto err_return; + } + + return 0; + +err_return: + if (i > 0) + bnad_rx_msix_unregister(bnad, rx_info, (i - 1)); + return -1; +} + +/* Free Tx object Resources */ +static void +bnad_tx_res_free(struct bnad *bnad, struct bna_res_info *res_info) +{ + int i; + + for (i = 0; i < BNA_TX_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + bnad_mem_free(bnad, &res_info[i].res_u.mem_info); + else if (res_info[i].res_type == BNA_RES_T_INTR) + bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info); + } +} + +/* Allocates memory and interrupt resources for Tx object */ +static int +bnad_tx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info, + uint tx_id) +{ + int i, err = 0; + + for (i = 0; i < BNA_TX_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + err = bnad_mem_alloc(bnad, + &res_info[i].res_u.mem_info); + else if (res_info[i].res_type == BNA_RES_T_INTR) + err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_TX, tx_id, + &res_info[i].res_u.intr_info); + if (err) + goto err_return; + } + return 0; + +err_return: + bnad_tx_res_free(bnad, res_info); + return err; +} + +/* Free Rx object Resources */ +static void +bnad_rx_res_free(struct bnad *bnad, struct bna_res_info *res_info) +{ + int i; + + for (i = 0; i < BNA_RX_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + bnad_mem_free(bnad, &res_info[i].res_u.mem_info); + else if (res_info[i].res_type == BNA_RES_T_INTR) + bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info); + } +} + +/* Allocates memory and interrupt resources for Rx object */ +static int +bnad_rx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info, + uint rx_id) +{ + int i, err = 0; + + /* All memory needs to be allocated before setup_ccbs */ + for (i = 0; i < BNA_RX_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + err = bnad_mem_alloc(bnad, + &res_info[i].res_u.mem_info); + else if (res_info[i].res_type == BNA_RES_T_INTR) + err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_RX, rx_id, + &res_info[i].res_u.intr_info); + if (err) + goto err_return; + } + return 0; + +err_return: + bnad_rx_res_free(bnad, res_info); + return err; +} + +/* Timer callbacks */ +/* a) IOC timer */ +static void +bnad_ioc_timeout(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bfa_nw_ioc_timeout((void *) &bnad->bna.device.ioc); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +static void +bnad_ioc_hb_check(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bfa_nw_ioc_hb_check((void *) &bnad->bna.device.ioc); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +static void +bnad_iocpf_timeout(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bfa_nw_iocpf_timeout((void *) &bnad->bna.device.ioc); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +static void +bnad_iocpf_sem_timeout(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bfa_nw_iocpf_sem_timeout((void *) &bnad->bna.device.ioc); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +/* + * All timer routines use bnad->bna_lock to protect against + * the following race, which may occur in case of no locking: + * Time CPU m CPU n + * 0 1 = test_bit + * 1 clear_bit + * 2 del_timer_sync + * 3 mod_timer + */ + +/* b) Dynamic Interrupt Moderation Timer */ +static void +bnad_dim_timeout(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + struct bnad_rx_info *rx_info; + struct bnad_rx_ctrl *rx_ctrl; + int i, j; + unsigned long flags; + + if (!netif_carrier_ok(bnad->netdev)) + return; + + spin_lock_irqsave(&bnad->bna_lock, flags); + for (i = 0; i < bnad->num_rx; i++) { + rx_info = &bnad->rx_info[i]; + if (!rx_info->rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + rx_ctrl = &rx_info->rx_ctrl[j]; + if (!rx_ctrl->ccb) + continue; + bna_rx_dim_update(rx_ctrl->ccb); + } + } + + /* Check for BNAD_CF_DIM_ENABLED, does not eleminate a race */ + if (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) + mod_timer(&bnad->dim_timer, + jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ)); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +/* c) Statistics Timer */ +static void +bnad_stats_timeout(unsigned long data) +{ + struct bnad *bnad = (struct bnad *)data; + unsigned long flags; + + if (!netif_running(bnad->netdev) || + !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) + return; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_stats_get(&bnad->bna); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +/* + * Set up timer for DIM + * Called with bnad->bna_lock held + */ +void +bnad_dim_timer_start(struct bnad *bnad) +{ + if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED && + !test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) { + setup_timer(&bnad->dim_timer, bnad_dim_timeout, + (unsigned long)bnad); + set_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags); + mod_timer(&bnad->dim_timer, + jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ)); + } +} + +/* + * Set up timer for statistics + * Called with mutex_lock(&bnad->conf_mutex) held + */ +static void +bnad_stats_timer_start(struct bnad *bnad) +{ + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (!test_and_set_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) { + setup_timer(&bnad->stats_timer, bnad_stats_timeout, + (unsigned long)bnad); + mod_timer(&bnad->stats_timer, + jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ)); + } + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +/* + * Stops the stats timer + * Called with mutex_lock(&bnad->conf_mutex) held + */ +static void +bnad_stats_timer_stop(struct bnad *bnad) +{ + int to_del = 0; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (test_and_clear_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) + to_del = 1; + spin_unlock_irqrestore(&bnad->bna_lock, flags); + if (to_del) + del_timer_sync(&bnad->stats_timer); +} + +/* Utilities */ + +static void +bnad_netdev_mc_list_get(struct net_device *netdev, u8 *mc_list) +{ + int i = 1; /* Index 0 has broadcast address */ + struct netdev_hw_addr *mc_addr; + + netdev_for_each_mc_addr(mc_addr, netdev) { + memcpy(&mc_list[i * ETH_ALEN], &mc_addr->addr[0], + ETH_ALEN); + i++; + } +} + +static int +bnad_napi_poll_rx(struct napi_struct *napi, int budget) +{ + struct bnad_rx_ctrl *rx_ctrl = + container_of(napi, struct bnad_rx_ctrl, napi); + struct bna_ccb *ccb; + struct bnad *bnad; + int rcvd = 0; + + ccb = rx_ctrl->ccb; + + bnad = ccb->bnad; + + if (!netif_carrier_ok(bnad->netdev)) + goto poll_exit; + + rcvd = bnad_poll_cq(bnad, ccb, budget); + if (rcvd == budget) + return rcvd; + +poll_exit: + napi_complete((napi)); + + BNAD_UPDATE_CTR(bnad, netif_rx_complete); + + bnad_enable_rx_irq(bnad, ccb); + return rcvd; +} + +static void +bnad_napi_enable(struct bnad *bnad, u32 rx_id) +{ + struct bnad_rx_ctrl *rx_ctrl; + int i; + + /* Initialize & enable NAPI */ + for (i = 0; i < bnad->num_rxp_per_rx; i++) { + rx_ctrl = &bnad->rx_info[rx_id].rx_ctrl[i]; + + netif_napi_add(bnad->netdev, &rx_ctrl->napi, + bnad_napi_poll_rx, 64); + + napi_enable(&rx_ctrl->napi); + } +} + +static void +bnad_napi_disable(struct bnad *bnad, u32 rx_id) +{ + int i; + + /* First disable and then clean up */ + for (i = 0; i < bnad->num_rxp_per_rx; i++) { + napi_disable(&bnad->rx_info[rx_id].rx_ctrl[i].napi); + netif_napi_del(&bnad->rx_info[rx_id].rx_ctrl[i].napi); + } +} + +/* Should be held with conf_lock held */ +void +bnad_cleanup_tx(struct bnad *bnad, uint tx_id) +{ + struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id]; + struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0]; + unsigned long flags; + + if (!tx_info->tx) + return; + + init_completion(&bnad->bnad_completions.tx_comp); + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_tx_disable(tx_info->tx, BNA_HARD_CLEANUP, bnad_cb_tx_disabled); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + wait_for_completion(&bnad->bnad_completions.tx_comp); + + if (tx_info->tcb[0]->intr_type == BNA_INTR_T_MSIX) + bnad_tx_msix_unregister(bnad, tx_info, + bnad->num_txq_per_tx); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_tx_destroy(tx_info->tx); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + tx_info->tx = NULL; + + if (0 == tx_id) + tasklet_kill(&bnad->tx_free_tasklet); + + bnad_tx_res_free(bnad, res_info); +} + +/* Should be held with conf_lock held */ +int +bnad_setup_tx(struct bnad *bnad, uint tx_id) +{ + int err; + struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id]; + struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0]; + struct bna_intr_info *intr_info = + &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info; + struct bna_tx_config *tx_config = &bnad->tx_config[tx_id]; + struct bna_tx_event_cbfn tx_cbfn; + struct bna_tx *tx; + unsigned long flags; + + /* Initialize the Tx object configuration */ + tx_config->num_txq = bnad->num_txq_per_tx; + tx_config->txq_depth = bnad->txq_depth; + tx_config->tx_type = BNA_TX_T_REGULAR; + + /* Initialize the tx event handlers */ + tx_cbfn.tcb_setup_cbfn = bnad_cb_tcb_setup; + tx_cbfn.tcb_destroy_cbfn = bnad_cb_tcb_destroy; + tx_cbfn.tx_stall_cbfn = bnad_cb_tx_stall; + tx_cbfn.tx_resume_cbfn = bnad_cb_tx_resume; + tx_cbfn.tx_cleanup_cbfn = bnad_cb_tx_cleanup; + + /* Get BNA's resource requirement for one tx object */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_tx_res_req(bnad->num_txq_per_tx, + bnad->txq_depth, res_info); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + /* Fill Unmap Q memory requirements */ + BNAD_FILL_UNMAPQ_MEM_REQ( + &res_info[BNA_TX_RES_MEM_T_UNMAPQ], + bnad->num_txq_per_tx, + BNAD_TX_UNMAPQ_DEPTH); + + /* Allocate resources */ + err = bnad_tx_res_alloc(bnad, res_info, tx_id); + if (err) + return err; + + /* Ask BNA to create one Tx object, supplying required resources */ + spin_lock_irqsave(&bnad->bna_lock, flags); + tx = bna_tx_create(&bnad->bna, bnad, tx_config, &tx_cbfn, res_info, + tx_info); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + if (!tx) + goto err_return; + tx_info->tx = tx; + + /* Register ISR for the Tx object */ + if (intr_info->intr_type == BNA_INTR_T_MSIX) { + err = bnad_tx_msix_register(bnad, tx_info, + tx_id, bnad->num_txq_per_tx); + if (err) + goto err_return; + } + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_tx_enable(tx); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + return 0; + +err_return: + bnad_tx_res_free(bnad, res_info); + return err; +} + +/* Setup the rx config for bna_rx_create */ +/* bnad decides the configuration */ +static void +bnad_init_rx_config(struct bnad *bnad, struct bna_rx_config *rx_config) +{ + rx_config->rx_type = BNA_RX_T_REGULAR; + rx_config->num_paths = bnad->num_rxp_per_rx; + + if (bnad->num_rxp_per_rx > 1) { + rx_config->rss_status = BNA_STATUS_T_ENABLED; + rx_config->rss_config.hash_type = + (BFI_RSS_T_V4_TCP | + BFI_RSS_T_V6_TCP | + BFI_RSS_T_V4_IP | + BFI_RSS_T_V6_IP); + rx_config->rss_config.hash_mask = + bnad->num_rxp_per_rx - 1; + get_random_bytes(rx_config->rss_config.toeplitz_hash_key, + sizeof(rx_config->rss_config.toeplitz_hash_key)); + } else { + rx_config->rss_status = BNA_STATUS_T_DISABLED; + memset(&rx_config->rss_config, 0, + sizeof(rx_config->rss_config)); + } + rx_config->rxp_type = BNA_RXP_SLR; + rx_config->q_depth = bnad->rxq_depth; + + rx_config->small_buff_size = BFI_SMALL_RXBUF_SIZE; + + rx_config->vlan_strip_status = BNA_STATUS_T_ENABLED; +} + +/* Called with mutex_lock(&bnad->conf_mutex) held */ +void +bnad_cleanup_rx(struct bnad *bnad, uint rx_id) +{ + struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id]; + struct bna_rx_config *rx_config = &bnad->rx_config[rx_id]; + struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0]; + unsigned long flags; + int dim_timer_del = 0; + + if (!rx_info->rx) + return; + + if (0 == rx_id) { + spin_lock_irqsave(&bnad->bna_lock, flags); + dim_timer_del = bnad_dim_timer_running(bnad); + if (dim_timer_del) + clear_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + if (dim_timer_del) + del_timer_sync(&bnad->dim_timer); + } + + bnad_napi_disable(bnad, rx_id); + + init_completion(&bnad->bnad_completions.rx_comp); + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_rx_disable(rx_info->rx, BNA_HARD_CLEANUP, bnad_cb_rx_disabled); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + wait_for_completion(&bnad->bnad_completions.rx_comp); + + if (rx_info->rx_ctrl[0].ccb->intr_type == BNA_INTR_T_MSIX) + bnad_rx_msix_unregister(bnad, rx_info, rx_config->num_paths); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_rx_destroy(rx_info->rx); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + rx_info->rx = NULL; + + bnad_rx_res_free(bnad, res_info); +} + +/* Called with mutex_lock(&bnad->conf_mutex) held */ +int +bnad_setup_rx(struct bnad *bnad, uint rx_id) +{ + int err; + struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id]; + struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0]; + struct bna_intr_info *intr_info = + &res_info[BNA_RX_RES_T_INTR].res_u.intr_info; + struct bna_rx_config *rx_config = &bnad->rx_config[rx_id]; + struct bna_rx_event_cbfn rx_cbfn; + struct bna_rx *rx; + unsigned long flags; + + /* Initialize the Rx object configuration */ + bnad_init_rx_config(bnad, rx_config); + + /* Initialize the Rx event handlers */ + rx_cbfn.rcb_setup_cbfn = bnad_cb_rcb_setup; + rx_cbfn.rcb_destroy_cbfn = bnad_cb_rcb_destroy; + rx_cbfn.ccb_setup_cbfn = bnad_cb_ccb_setup; + rx_cbfn.ccb_destroy_cbfn = bnad_cb_ccb_destroy; + rx_cbfn.rx_cleanup_cbfn = bnad_cb_rx_cleanup; + rx_cbfn.rx_post_cbfn = bnad_cb_rx_post; + + /* Get BNA's resource requirement for one Rx object */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_rx_res_req(rx_config, res_info); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + /* Fill Unmap Q memory requirements */ + BNAD_FILL_UNMAPQ_MEM_REQ( + &res_info[BNA_RX_RES_MEM_T_UNMAPQ], + rx_config->num_paths + + ((rx_config->rxp_type == BNA_RXP_SINGLE) ? 0 : + rx_config->num_paths), BNAD_RX_UNMAPQ_DEPTH); + + /* Allocate resource */ + err = bnad_rx_res_alloc(bnad, res_info, rx_id); + if (err) + return err; + + /* Ask BNA to create one Rx object, supplying required resources */ + spin_lock_irqsave(&bnad->bna_lock, flags); + rx = bna_rx_create(&bnad->bna, bnad, rx_config, &rx_cbfn, res_info, + rx_info); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + if (!rx) + goto err_return; + rx_info->rx = rx; + + /* Register ISR for the Rx object */ + if (intr_info->intr_type == BNA_INTR_T_MSIX) { + err = bnad_rx_msix_register(bnad, rx_info, rx_id, + rx_config->num_paths); + if (err) + goto err_return; + } + + /* Enable NAPI */ + bnad_napi_enable(bnad, rx_id); + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (0 == rx_id) { + /* Set up Dynamic Interrupt Moderation Vector */ + if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) + bna_rx_dim_reconfig(&bnad->bna, bna_napi_dim_vector); + + /* Enable VLAN filtering only on the default Rx */ + bna_rx_vlanfilter_enable(rx); + + /* Start the DIM timer */ + bnad_dim_timer_start(bnad); + } + + bna_rx_enable(rx); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + return 0; + +err_return: + bnad_cleanup_rx(bnad, rx_id); + return err; +} + +/* Called with conf_lock & bnad->bna_lock held */ +void +bnad_tx_coalescing_timeo_set(struct bnad *bnad) +{ + struct bnad_tx_info *tx_info; + + tx_info = &bnad->tx_info[0]; + if (!tx_info->tx) + return; + + bna_tx_coalescing_timeo_set(tx_info->tx, bnad->tx_coalescing_timeo); +} + +/* Called with conf_lock & bnad->bna_lock held */ +void +bnad_rx_coalescing_timeo_set(struct bnad *bnad) +{ + struct bnad_rx_info *rx_info; + int i; + + for (i = 0; i < bnad->num_rx; i++) { + rx_info = &bnad->rx_info[i]; + if (!rx_info->rx) + continue; + bna_rx_coalescing_timeo_set(rx_info->rx, + bnad->rx_coalescing_timeo); + } +} + +/* + * Called with bnad->bna_lock held + */ +static int +bnad_mac_addr_set_locked(struct bnad *bnad, u8 *mac_addr) +{ + int ret; + + if (!is_valid_ether_addr(mac_addr)) + return -EADDRNOTAVAIL; + + /* If datapath is down, pretend everything went through */ + if (!bnad->rx_info[0].rx) + return 0; + + ret = bna_rx_ucast_set(bnad->rx_info[0].rx, mac_addr, NULL); + if (ret != BNA_CB_SUCCESS) + return -EADDRNOTAVAIL; + + return 0; +} + +/* Should be called with conf_lock held */ +static int +bnad_enable_default_bcast(struct bnad *bnad) +{ + struct bnad_rx_info *rx_info = &bnad->rx_info[0]; + int ret; + unsigned long flags; + + init_completion(&bnad->bnad_completions.mcast_comp); + + spin_lock_irqsave(&bnad->bna_lock, flags); + ret = bna_rx_mcast_add(rx_info->rx, (u8 *)bnad_bcast_addr, + bnad_cb_rx_mcast_add); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + if (ret == BNA_CB_SUCCESS) + wait_for_completion(&bnad->bnad_completions.mcast_comp); + else + return -ENODEV; + + if (bnad->bnad_completions.mcast_comp_status != BNA_CB_SUCCESS) + return -ENODEV; + + return 0; +} + +/* Called with bnad_conf_lock() held */ +static void +bnad_restore_vlans(struct bnad *bnad, u32 rx_id) +{ + u16 vid; + unsigned long flags; + + BUG_ON(!(VLAN_N_VID == (BFI_MAX_VLAN + 1))); + + for_each_set_bit(vid, bnad->active_vlans, VLAN_N_VID) { + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_rx_vlan_add(bnad->rx_info[rx_id].rx, vid); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + } +} + +/* Statistics utilities */ +void +bnad_netdev_qstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats) +{ + int i, j; + + for (i = 0; i < bnad->num_rx; i++) { + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + if (bnad->rx_info[i].rx_ctrl[j].ccb) { + stats->rx_packets += bnad->rx_info[i]. + rx_ctrl[j].ccb->rcb[0]->rxq->rx_packets; + stats->rx_bytes += bnad->rx_info[i]. + rx_ctrl[j].ccb->rcb[0]->rxq->rx_bytes; + if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && + bnad->rx_info[i].rx_ctrl[j].ccb-> + rcb[1]->rxq) { + stats->rx_packets += + bnad->rx_info[i].rx_ctrl[j]. + ccb->rcb[1]->rxq->rx_packets; + stats->rx_bytes += + bnad->rx_info[i].rx_ctrl[j]. + ccb->rcb[1]->rxq->rx_bytes; + } + } + } + } + for (i = 0; i < bnad->num_tx; i++) { + for (j = 0; j < bnad->num_txq_per_tx; j++) { + if (bnad->tx_info[i].tcb[j]) { + stats->tx_packets += + bnad->tx_info[i].tcb[j]->txq->tx_packets; + stats->tx_bytes += + bnad->tx_info[i].tcb[j]->txq->tx_bytes; + } + } + } +} + +/* + * Must be called with the bna_lock held. + */ +void +bnad_netdev_hwstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats) +{ + struct bfi_ll_stats_mac *mac_stats; + u64 bmap; + int i; + + mac_stats = &bnad->stats.bna_stats->hw_stats->mac_stats; + stats->rx_errors = + mac_stats->rx_fcs_error + mac_stats->rx_alignment_error + + mac_stats->rx_frame_length_error + mac_stats->rx_code_error + + mac_stats->rx_undersize; + stats->tx_errors = mac_stats->tx_fcs_error + + mac_stats->tx_undersize; + stats->rx_dropped = mac_stats->rx_drop; + stats->tx_dropped = mac_stats->tx_drop; + stats->multicast = mac_stats->rx_multicast; + stats->collisions = mac_stats->tx_total_collision; + + stats->rx_length_errors = mac_stats->rx_frame_length_error; + + /* receive ring buffer overflow ?? */ + + stats->rx_crc_errors = mac_stats->rx_fcs_error; + stats->rx_frame_errors = mac_stats->rx_alignment_error; + /* recv'r fifo overrun */ + bmap = (u64)bnad->stats.bna_stats->rxf_bmap[0] | + ((u64)bnad->stats.bna_stats->rxf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { + if (bmap & 1) { + stats->rx_fifo_errors += + bnad->stats.bna_stats-> + hw_stats->rxf_stats[i].frame_drops; + break; + } + bmap >>= 1; + } +} + +static void +bnad_mbox_irq_sync(struct bnad *bnad) +{ + u32 irq; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (bnad->cfg_flags & BNAD_CF_MSIX) + irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector; + else + irq = bnad->pcidev->irq; + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + synchronize_irq(irq); +} + +/* Utility used by bnad_start_xmit, for doing TSO */ +static int +bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb) +{ + int err; + + /* SKB_GSO_TCPV4 and SKB_GSO_TCPV6 is defined since 2.6.18. */ + BUG_ON(!(skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4 || + skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)); + if (skb_header_cloned(skb)) { + err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (err) { + BNAD_UPDATE_CTR(bnad, tso_err); + return err; + } + } + + /* + * For TSO, the TCP checksum field is seeded with pseudo-header sum + * excluding the length field. + */ + if (skb->protocol == htons(ETH_P_IP)) { + struct iphdr *iph = ip_hdr(skb); + + /* Do we really need these? */ + iph->tot_len = 0; + iph->check = 0; + + tcp_hdr(skb)->check = + ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0, + IPPROTO_TCP, 0); + BNAD_UPDATE_CTR(bnad, tso4); + } else { + struct ipv6hdr *ipv6h = ipv6_hdr(skb); + + BUG_ON(!(skb->protocol == htons(ETH_P_IPV6))); + ipv6h->payload_len = 0; + tcp_hdr(skb)->check = + ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, 0, + IPPROTO_TCP, 0); + BNAD_UPDATE_CTR(bnad, tso6); + } + + return 0; +} + +/* + * Initialize Q numbers depending on Rx Paths + * Called with bnad->bna_lock held, because of cfg_flags + * access. + */ +static void +bnad_q_num_init(struct bnad *bnad) +{ + int rxps; + + rxps = min((uint)num_online_cpus(), + (uint)(BNAD_MAX_RXS * BNAD_MAX_RXPS_PER_RX)); + + if (!(bnad->cfg_flags & BNAD_CF_MSIX)) + rxps = 1; /* INTx */ + + bnad->num_rx = 1; + bnad->num_tx = 1; + bnad->num_rxp_per_rx = rxps; + bnad->num_txq_per_tx = BNAD_TXQ_NUM; +} + +/* + * Adjusts the Q numbers, given a number of msix vectors + * Give preference to RSS as opposed to Tx priority Queues, + * in such a case, just use 1 Tx Q + * Called with bnad->bna_lock held b'cos of cfg_flags access + */ +static void +bnad_q_num_adjust(struct bnad *bnad, int msix_vectors) +{ + bnad->num_txq_per_tx = 1; + if ((msix_vectors >= (bnad->num_tx * bnad->num_txq_per_tx) + + bnad_rxqs_per_cq + BNAD_MAILBOX_MSIX_VECTORS) && + (bnad->cfg_flags & BNAD_CF_MSIX)) { + bnad->num_rxp_per_rx = msix_vectors - + (bnad->num_tx * bnad->num_txq_per_tx) - + BNAD_MAILBOX_MSIX_VECTORS; + } else + bnad->num_rxp_per_rx = 1; +} + +/* Enable / disable device */ +static void +bnad_device_disable(struct bnad *bnad) +{ + unsigned long flags; + + init_completion(&bnad->bnad_completions.ioc_comp); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_device_disable(&bnad->bna.device, BNA_HARD_CLEANUP); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + wait_for_completion(&bnad->bnad_completions.ioc_comp); +} + +static int +bnad_device_enable(struct bnad *bnad) +{ + int err = 0; + unsigned long flags; + + init_completion(&bnad->bnad_completions.ioc_comp); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_device_enable(&bnad->bna.device); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + wait_for_completion(&bnad->bnad_completions.ioc_comp); + + if (bnad->bnad_completions.ioc_comp_status) + err = bnad->bnad_completions.ioc_comp_status; + + return err; +} + +/* Free BNA resources */ +static void +bnad_res_free(struct bnad *bnad) +{ + int i; + struct bna_res_info *res_info = &bnad->res_info[0]; + + for (i = 0; i < BNA_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + bnad_mem_free(bnad, &res_info[i].res_u.mem_info); + else + bnad_mbox_irq_free(bnad, &res_info[i].res_u.intr_info); + } +} + +/* Allocates memory and interrupt resources for BNA */ +static int +bnad_res_alloc(struct bnad *bnad) +{ + int i, err; + struct bna_res_info *res_info = &bnad->res_info[0]; + + for (i = 0; i < BNA_RES_T_MAX; i++) { + if (res_info[i].res_type == BNA_RES_T_MEM) + err = bnad_mem_alloc(bnad, &res_info[i].res_u.mem_info); + else + err = bnad_mbox_irq_alloc(bnad, + &res_info[i].res_u.intr_info); + if (err) + goto err_return; + } + return 0; + +err_return: + bnad_res_free(bnad); + return err; +} + +/* Interrupt enable / disable */ +static void +bnad_enable_msix(struct bnad *bnad) +{ + int i, ret; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (!(bnad->cfg_flags & BNAD_CF_MSIX)) { + spin_unlock_irqrestore(&bnad->bna_lock, flags); + return; + } + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + if (bnad->msix_table) + return; + + bnad->msix_table = + kcalloc(bnad->msix_num, sizeof(struct msix_entry), GFP_KERNEL); + + if (!bnad->msix_table) + goto intx_mode; + + for (i = 0; i < bnad->msix_num; i++) + bnad->msix_table[i].entry = i; + + ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num); + if (ret > 0) { + /* Not enough MSI-X vectors. */ + + spin_lock_irqsave(&bnad->bna_lock, flags); + /* ret = #of vectors that we got */ + bnad_q_num_adjust(bnad, ret); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx) + + (bnad->num_rx + * bnad->num_rxp_per_rx) + + BNAD_MAILBOX_MSIX_VECTORS; + + /* Try once more with adjusted numbers */ + /* If this fails, fall back to INTx */ + ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, + bnad->msix_num); + if (ret) + goto intx_mode; + + } else if (ret < 0) + goto intx_mode; + return; + +intx_mode: + + kfree(bnad->msix_table); + bnad->msix_table = NULL; + bnad->msix_num = 0; + spin_lock_irqsave(&bnad->bna_lock, flags); + bnad->cfg_flags &= ~BNAD_CF_MSIX; + bnad_q_num_init(bnad); + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +static void +bnad_disable_msix(struct bnad *bnad) +{ + u32 cfg_flags; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + cfg_flags = bnad->cfg_flags; + if (bnad->cfg_flags & BNAD_CF_MSIX) + bnad->cfg_flags &= ~BNAD_CF_MSIX; + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + if (cfg_flags & BNAD_CF_MSIX) { + pci_disable_msix(bnad->pcidev); + kfree(bnad->msix_table); + bnad->msix_table = NULL; + } +} + +/* Netdev entry points */ +static int +bnad_open(struct net_device *netdev) +{ + int err; + struct bnad *bnad = netdev_priv(netdev); + struct bna_pause_config pause_config; + int mtu; + unsigned long flags; + + mutex_lock(&bnad->conf_mutex); + + /* Tx */ + err = bnad_setup_tx(bnad, 0); + if (err) + goto err_return; + + /* Rx */ + err = bnad_setup_rx(bnad, 0); + if (err) + goto cleanup_tx; + + /* Port */ + pause_config.tx_pause = 0; + pause_config.rx_pause = 0; + + mtu = ETH_HLEN + bnad->netdev->mtu + ETH_FCS_LEN; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_port_mtu_set(&bnad->bna.port, mtu, NULL); + bna_port_pause_config(&bnad->bna.port, &pause_config, NULL); + bna_port_enable(&bnad->bna.port); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + /* Enable broadcast */ + bnad_enable_default_bcast(bnad); + + /* Restore VLANs, if any */ + bnad_restore_vlans(bnad, 0); + + /* Set the UCAST address */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bnad_mac_addr_set_locked(bnad, netdev->dev_addr); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + /* Start the stats timer */ + bnad_stats_timer_start(bnad); + + mutex_unlock(&bnad->conf_mutex); + + return 0; + +cleanup_tx: + bnad_cleanup_tx(bnad, 0); + +err_return: + mutex_unlock(&bnad->conf_mutex); + return err; +} + +static int +bnad_stop(struct net_device *netdev) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + + mutex_lock(&bnad->conf_mutex); + + /* Stop the stats timer */ + bnad_stats_timer_stop(bnad); + + init_completion(&bnad->bnad_completions.port_comp); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_port_disable(&bnad->bna.port, BNA_HARD_CLEANUP, + bnad_cb_port_disabled); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + wait_for_completion(&bnad->bnad_completions.port_comp); + + bnad_cleanup_tx(bnad, 0); + bnad_cleanup_rx(bnad, 0); + + /* Synchronize mailbox IRQ */ + bnad_mbox_irq_sync(bnad); + + mutex_unlock(&bnad->conf_mutex); + + return 0; +} + +/* TX */ +/* + * bnad_start_xmit : Netdev entry point for Transmit + * Called under lock held by net_device + */ +static netdev_tx_t +bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + struct bnad *bnad = netdev_priv(netdev); + + u16 txq_prod, vlan_tag = 0; + u32 unmap_prod, wis, wis_used, wi_range; + u32 vectors, vect_id, i, acked; + u32 tx_id; + int err; + + struct bnad_tx_info *tx_info; + struct bna_tcb *tcb; + struct bnad_unmap_q *unmap_q; + dma_addr_t dma_addr; + struct bna_txq_entry *txqent; + bna_txq_wi_ctrl_flag_t flags; + + if (unlikely + (skb->len <= ETH_HLEN || skb->len > BFI_TX_MAX_DATA_PER_PKT)) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + + tx_id = 0; + + tx_info = &bnad->tx_info[tx_id]; + tcb = tx_info->tcb[tx_id]; + unmap_q = tcb->unmap_q; + + /* + * Takes care of the Tx that is scheduled between clearing the flag + * and the netif_stop_queue() call. + */ + if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + + vectors = 1 + skb_shinfo(skb)->nr_frags; + if (vectors > BFI_TX_MAX_VECTORS_PER_PKT) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + wis = BNA_TXQ_WI_NEEDED(vectors); /* 4 vectors per work item */ + acked = 0; + if (unlikely + (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) || + vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) { + if ((u16) (*tcb->hw_consumer_index) != + tcb->consumer_index && + !test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) { + acked = bnad_free_txbufs(bnad, tcb); + if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) + bna_ib_ack(tcb->i_dbell, acked); + smp_mb__before_clear_bit(); + clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags); + } else { + netif_stop_queue(netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_stop); + } + + smp_mb(); + /* + * Check again to deal with race condition between + * netif_stop_queue here, and netif_wake_queue in + * interrupt handler which is not inside netif tx lock. + */ + if (likely + (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) || + vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) { + BNAD_UPDATE_CTR(bnad, netif_queue_stop); + return NETDEV_TX_BUSY; + } else { + netif_wake_queue(netdev); + BNAD_UPDATE_CTR(bnad, netif_queue_wakeup); + } + } + + unmap_prod = unmap_q->producer_index; + wis_used = 1; + vect_id = 0; + flags = 0; + + txq_prod = tcb->producer_index; + BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, txqent, wi_range); + BUG_ON(!(wi_range <= tcb->q_depth)); + txqent->hdr.wi.reserved = 0; + txqent->hdr.wi.num_vectors = vectors; + txqent->hdr.wi.opcode = + htons((skb_is_gso(skb) ? BNA_TXQ_WI_SEND_LSO : + BNA_TXQ_WI_SEND)); + + if (vlan_tx_tag_present(skb)) { + vlan_tag = (u16) vlan_tx_tag_get(skb); + flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN); + } + if (test_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags)) { + vlan_tag = + (tcb->priority & 0x7) << 13 | (vlan_tag & 0x1fff); + flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN); + } + + txqent->hdr.wi.vlan_tag = htons(vlan_tag); + + if (skb_is_gso(skb)) { + err = bnad_tso_prepare(bnad, skb); + if (err) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + txqent->hdr.wi.lso_mss = htons(skb_is_gso(skb)); + flags |= (BNA_TXQ_WI_CF_IP_CKSUM | BNA_TXQ_WI_CF_TCP_CKSUM); + txqent->hdr.wi.l4_hdr_size_n_offset = + htons(BNA_TXQ_WI_L4_HDR_N_OFFSET + (tcp_hdrlen(skb) >> 2, + skb_transport_offset(skb))); + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + u8 proto = 0; + + txqent->hdr.wi.lso_mss = 0; + + if (skb->protocol == htons(ETH_P_IP)) + proto = ip_hdr(skb)->protocol; + else if (skb->protocol == htons(ETH_P_IPV6)) { + /* nexthdr may not be TCP immediately. */ + proto = ipv6_hdr(skb)->nexthdr; + } + if (proto == IPPROTO_TCP) { + flags |= BNA_TXQ_WI_CF_TCP_CKSUM; + txqent->hdr.wi.l4_hdr_size_n_offset = + htons(BNA_TXQ_WI_L4_HDR_N_OFFSET + (0, skb_transport_offset(skb))); + + BNAD_UPDATE_CTR(bnad, tcpcsum_offload); + + BUG_ON(!(skb_headlen(skb) >= + skb_transport_offset(skb) + tcp_hdrlen(skb))); + + } else if (proto == IPPROTO_UDP) { + flags |= BNA_TXQ_WI_CF_UDP_CKSUM; + txqent->hdr.wi.l4_hdr_size_n_offset = + htons(BNA_TXQ_WI_L4_HDR_N_OFFSET + (0, skb_transport_offset(skb))); + + BNAD_UPDATE_CTR(bnad, udpcsum_offload); + + BUG_ON(!(skb_headlen(skb) >= + skb_transport_offset(skb) + + sizeof(struct udphdr))); + } else { + err = skb_checksum_help(skb); + BNAD_UPDATE_CTR(bnad, csum_help); + if (err) { + dev_kfree_skb(skb); + BNAD_UPDATE_CTR(bnad, csum_help_err); + return NETDEV_TX_OK; + } + } + } else { + txqent->hdr.wi.lso_mss = 0; + txqent->hdr.wi.l4_hdr_size_n_offset = 0; + } + + txqent->hdr.wi.flags = htons(flags); + + txqent->hdr.wi.frame_length = htonl(skb->len); + + unmap_q->unmap_array[unmap_prod].skb = skb; + BUG_ON(!(skb_headlen(skb) <= BFI_TX_MAX_DATA_PER_VECTOR)); + txqent->vector[vect_id].length = htons(skb_headlen(skb)); + dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, + skb_headlen(skb), DMA_TO_DEVICE); + dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr, + dma_addr); + + BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr); + BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + u32 size = frag->size; + + if (++vect_id == BFI_TX_MAX_VECTORS_PER_WI) { + vect_id = 0; + if (--wi_range) + txqent++; + else { + BNA_QE_INDX_ADD(txq_prod, wis_used, + tcb->q_depth); + wis_used = 0; + BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, + txqent, wi_range); + BUG_ON(!(wi_range <= tcb->q_depth)); + } + wis_used++; + txqent->hdr.wi_ext.opcode = htons(BNA_TXQ_WI_EXTENSION); + } + + BUG_ON(!(size <= BFI_TX_MAX_DATA_PER_VECTOR)); + txqent->vector[vect_id].length = htons(size); + dma_addr = dma_map_page(&bnad->pcidev->dev, frag->page, + frag->page_offset, size, DMA_TO_DEVICE); + dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr, + dma_addr); + BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr); + BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth); + } + + unmap_q->producer_index = unmap_prod; + BNA_QE_INDX_ADD(txq_prod, wis_used, tcb->q_depth); + tcb->producer_index = txq_prod; + + smp_mb(); + + if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) + return NETDEV_TX_OK; + + bna_txq_prod_indx_doorbell(tcb); + + if ((u16) (*tcb->hw_consumer_index) != tcb->consumer_index) + tasklet_schedule(&bnad->tx_free_tasklet); + + return NETDEV_TX_OK; +} + +/* + * Used spin_lock to synchronize reading of stats structures, which + * is written by BNA under the same lock. + */ +static struct rtnl_link_stats64 * +bnad_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + bnad_netdev_qstats_fill(bnad, stats); + bnad_netdev_hwstats_fill(bnad, stats); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + return stats; +} + +static void +bnad_set_rx_mode(struct net_device *netdev) +{ + struct bnad *bnad = netdev_priv(netdev); + u32 new_mask, valid_mask; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + new_mask = valid_mask = 0; + + if (netdev->flags & IFF_PROMISC) { + if (!(bnad->cfg_flags & BNAD_CF_PROMISC)) { + new_mask = BNAD_RXMODE_PROMISC_DEFAULT; + valid_mask = BNAD_RXMODE_PROMISC_DEFAULT; + bnad->cfg_flags |= BNAD_CF_PROMISC; + } + } else { + if (bnad->cfg_flags & BNAD_CF_PROMISC) { + new_mask = ~BNAD_RXMODE_PROMISC_DEFAULT; + valid_mask = BNAD_RXMODE_PROMISC_DEFAULT; + bnad->cfg_flags &= ~BNAD_CF_PROMISC; + } + } + + if (netdev->flags & IFF_ALLMULTI) { + if (!(bnad->cfg_flags & BNAD_CF_ALLMULTI)) { + new_mask |= BNA_RXMODE_ALLMULTI; + valid_mask |= BNA_RXMODE_ALLMULTI; + bnad->cfg_flags |= BNAD_CF_ALLMULTI; + } + } else { + if (bnad->cfg_flags & BNAD_CF_ALLMULTI) { + new_mask &= ~BNA_RXMODE_ALLMULTI; + valid_mask |= BNA_RXMODE_ALLMULTI; + bnad->cfg_flags &= ~BNAD_CF_ALLMULTI; + } + } + + bna_rx_mode_set(bnad->rx_info[0].rx, new_mask, valid_mask, NULL); + + if (!netdev_mc_empty(netdev)) { + u8 *mcaddr_list; + int mc_count = netdev_mc_count(netdev); + + /* Index 0 holds the broadcast address */ + mcaddr_list = + kzalloc((mc_count + 1) * ETH_ALEN, + GFP_ATOMIC); + if (!mcaddr_list) + goto unlock; + + memcpy(&mcaddr_list[0], &bnad_bcast_addr[0], ETH_ALEN); + + /* Copy rest of the MC addresses */ + bnad_netdev_mc_list_get(netdev, mcaddr_list); + + bna_rx_mcast_listset(bnad->rx_info[0].rx, mc_count + 1, + mcaddr_list, NULL); + + /* Should we enable BNAD_CF_ALLMULTI for err != 0 ? */ + kfree(mcaddr_list); + } +unlock: + spin_unlock_irqrestore(&bnad->bna_lock, flags); +} + +/* + * bna_lock is used to sync writes to netdev->addr + * conf_lock cannot be used since this call may be made + * in a non-blocking context. + */ +static int +bnad_set_mac_address(struct net_device *netdev, void *mac_addr) +{ + int err; + struct bnad *bnad = netdev_priv(netdev); + struct sockaddr *sa = (struct sockaddr *)mac_addr; + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + err = bnad_mac_addr_set_locked(bnad, sa->sa_data); + + if (!err) + memcpy(netdev->dev_addr, sa->sa_data, netdev->addr_len); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + return err; +} + +static int +bnad_change_mtu(struct net_device *netdev, int new_mtu) +{ + int mtu, err = 0; + unsigned long flags; + + struct bnad *bnad = netdev_priv(netdev); + + if (new_mtu + ETH_HLEN < ETH_ZLEN || new_mtu > BNAD_JUMBO_MTU) + return -EINVAL; + + mutex_lock(&bnad->conf_mutex); + + netdev->mtu = new_mtu; + + mtu = ETH_HLEN + new_mtu + ETH_FCS_LEN; + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_port_mtu_set(&bnad->bna.port, mtu, NULL); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); + return err; +} + +static void +bnad_vlan_rx_add_vid(struct net_device *netdev, + unsigned short vid) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + + if (!bnad->rx_info[0].rx) + return; + + mutex_lock(&bnad->conf_mutex); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_rx_vlan_add(bnad->rx_info[0].rx, vid); + set_bit(vid, bnad->active_vlans); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); +} + +static void +bnad_vlan_rx_kill_vid(struct net_device *netdev, + unsigned short vid) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + + if (!bnad->rx_info[0].rx) + return; + + mutex_lock(&bnad->conf_mutex); + + spin_lock_irqsave(&bnad->bna_lock, flags); + clear_bit(vid, bnad->active_vlans); + bna_rx_vlan_del(bnad->rx_info[0].rx, vid); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void +bnad_netpoll(struct net_device *netdev) +{ + struct bnad *bnad = netdev_priv(netdev); + struct bnad_rx_info *rx_info; + struct bnad_rx_ctrl *rx_ctrl; + u32 curr_mask; + int i, j; + + if (!(bnad->cfg_flags & BNAD_CF_MSIX)) { + bna_intx_disable(&bnad->bna, curr_mask); + bnad_isr(bnad->pcidev->irq, netdev); + bna_intx_enable(&bnad->bna, curr_mask); + } else { + for (i = 0; i < bnad->num_rx; i++) { + rx_info = &bnad->rx_info[i]; + if (!rx_info->rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + rx_ctrl = &rx_info->rx_ctrl[j]; + if (rx_ctrl->ccb) { + bnad_disable_rx_irq(bnad, + rx_ctrl->ccb); + bnad_netif_rx_schedule_poll(bnad, + rx_ctrl->ccb); + } + } + } + } +} +#endif + +static const struct net_device_ops bnad_netdev_ops = { + .ndo_open = bnad_open, + .ndo_stop = bnad_stop, + .ndo_start_xmit = bnad_start_xmit, + .ndo_get_stats64 = bnad_get_stats64, + .ndo_set_rx_mode = bnad_set_rx_mode, + .ndo_set_multicast_list = bnad_set_rx_mode, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = bnad_set_mac_address, + .ndo_change_mtu = bnad_change_mtu, + .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = bnad_netpoll +#endif +}; + +static void +bnad_netdev_init(struct bnad *bnad, bool using_dac) +{ + struct net_device *netdev = bnad->netdev; + + netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_TX; + + netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO6; + + netdev->features |= netdev->hw_features | + NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + + if (using_dac) + netdev->features |= NETIF_F_HIGHDMA; + + netdev->mem_start = bnad->mmio_start; + netdev->mem_end = bnad->mmio_start + bnad->mmio_len - 1; + + netdev->netdev_ops = &bnad_netdev_ops; + bnad_set_ethtool_ops(netdev); +} + +/* + * 1. Initialize the bnad structure + * 2. Setup netdev pointer in pci_dev + * 3. Initialze Tx free tasklet + * 4. Initialize no. of TxQ & CQs & MSIX vectors + */ +static int +bnad_init(struct bnad *bnad, + struct pci_dev *pdev, struct net_device *netdev) +{ + unsigned long flags; + + SET_NETDEV_DEV(netdev, &pdev->dev); + pci_set_drvdata(pdev, netdev); + + bnad->netdev = netdev; + bnad->pcidev = pdev; + bnad->mmio_start = pci_resource_start(pdev, 0); + bnad->mmio_len = pci_resource_len(pdev, 0); + bnad->bar0 = ioremap_nocache(bnad->mmio_start, bnad->mmio_len); + if (!bnad->bar0) { + dev_err(&pdev->dev, "ioremap for bar0 failed\n"); + pci_set_drvdata(pdev, NULL); + return -ENOMEM; + } + pr_info("bar0 mapped to %p, len %llu\n", bnad->bar0, + (unsigned long long) bnad->mmio_len); + + spin_lock_irqsave(&bnad->bna_lock, flags); + if (!bnad_msix_disable) + bnad->cfg_flags = BNAD_CF_MSIX; + + bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; + + bnad_q_num_init(bnad); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx) + + (bnad->num_rx * bnad->num_rxp_per_rx) + + BNAD_MAILBOX_MSIX_VECTORS; + + bnad->txq_depth = BNAD_TXQ_DEPTH; + bnad->rxq_depth = BNAD_RXQ_DEPTH; + + bnad->tx_coalescing_timeo = BFI_TX_COALESCING_TIMEO; + bnad->rx_coalescing_timeo = BFI_RX_COALESCING_TIMEO; + + tasklet_init(&bnad->tx_free_tasklet, bnad_tx_free_tasklet, + (unsigned long)bnad); + + return 0; +} + +/* + * Must be called after bnad_pci_uninit() + * so that iounmap() and pci_set_drvdata(NULL) + * happens only after PCI uninitialization. + */ +static void +bnad_uninit(struct bnad *bnad) +{ + if (bnad->bar0) + iounmap(bnad->bar0); + pci_set_drvdata(bnad->pcidev, NULL); +} + +/* + * Initialize locks + a) Per device mutes used for serializing configuration + changes from OS interface + b) spin lock used to protect bna state machine + */ +static void +bnad_lock_init(struct bnad *bnad) +{ + spin_lock_init(&bnad->bna_lock); + mutex_init(&bnad->conf_mutex); +} + +static void +bnad_lock_uninit(struct bnad *bnad) +{ + mutex_destroy(&bnad->conf_mutex); +} + +/* PCI Initialization */ +static int +bnad_pci_init(struct bnad *bnad, + struct pci_dev *pdev, bool *using_dac) +{ + int err; + + err = pci_enable_device(pdev); + if (err) + return err; + err = pci_request_regions(pdev, BNAD_NAME); + if (err) + goto disable_device; + if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && + !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { + *using_dac = 1; + } else { + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { + err = dma_set_coherent_mask(&pdev->dev, + DMA_BIT_MASK(32)); + if (err) + goto release_regions; + } + *using_dac = 0; + } + pci_set_master(pdev); + return 0; + +release_regions: + pci_release_regions(pdev); +disable_device: + pci_disable_device(pdev); + + return err; +} + +static void +bnad_pci_uninit(struct pci_dev *pdev) +{ + pci_release_regions(pdev); + pci_disable_device(pdev); +} + +static int __devinit +bnad_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *pcidev_id) +{ + bool using_dac = false; + int err; + struct bnad *bnad; + struct bna *bna; + struct net_device *netdev; + struct bfa_pcidev pcidev_info; + unsigned long flags; + + pr_info("bnad_pci_probe : (0x%p, 0x%p) PCI Func : (%d)\n", + pdev, pcidev_id, PCI_FUNC(pdev->devfn)); + + mutex_lock(&bnad_fwimg_mutex); + if (!cna_get_firmware_buf(pdev)) { + mutex_unlock(&bnad_fwimg_mutex); + pr_warn("Failed to load Firmware Image!\n"); + return -ENODEV; + } + mutex_unlock(&bnad_fwimg_mutex); + + /* + * Allocates sizeof(struct net_device + struct bnad) + * bnad = netdev->priv + */ + netdev = alloc_etherdev(sizeof(struct bnad)); + if (!netdev) { + dev_err(&pdev->dev, "alloc_etherdev failed\n"); + err = -ENOMEM; + return err; + } + bnad = netdev_priv(netdev); + + /* + * PCI initialization + * Output : using_dac = 1 for 64 bit DMA + * = 0 for 32 bit DMA + */ + err = bnad_pci_init(bnad, pdev, &using_dac); + if (err) + goto free_netdev; + + bnad_lock_init(bnad); + /* + * Initialize bnad structure + * Setup relation between pci_dev & netdev + * Init Tx free tasklet + */ + err = bnad_init(bnad, pdev, netdev); + if (err) + goto pci_uninit; + /* Initialize netdev structure, set up ethtool ops */ + bnad_netdev_init(bnad, using_dac); + + /* Set link to down state */ + netif_carrier_off(netdev); + + bnad_enable_msix(bnad); + + /* Get resource requirement form bna */ + bna_res_req(&bnad->res_info[0]); + + /* Allocate resources from bna */ + err = bnad_res_alloc(bnad); + if (err) + goto free_netdev; + + bna = &bnad->bna; + + /* Setup pcidev_info for bna_init() */ + pcidev_info.pci_slot = PCI_SLOT(bnad->pcidev->devfn); + pcidev_info.pci_func = PCI_FUNC(bnad->pcidev->devfn); + pcidev_info.device_id = bnad->pcidev->device; + pcidev_info.pci_bar_kva = bnad->bar0; + + mutex_lock(&bnad->conf_mutex); + + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_init(bna, bnad, &pcidev_info, &bnad->res_info[0]); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + bnad->stats.bna_stats = &bna->stats; + + /* Set up timers */ + setup_timer(&bnad->bna.device.ioc.ioc_timer, bnad_ioc_timeout, + ((unsigned long)bnad)); + setup_timer(&bnad->bna.device.ioc.hb_timer, bnad_ioc_hb_check, + ((unsigned long)bnad)); + setup_timer(&bnad->bna.device.ioc.iocpf_timer, bnad_iocpf_timeout, + ((unsigned long)bnad)); + setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_iocpf_sem_timeout, + ((unsigned long)bnad)); + + /* Now start the timer before calling IOC */ + mod_timer(&bnad->bna.device.ioc.iocpf_timer, + jiffies + msecs_to_jiffies(BNA_IOC_TIMER_FREQ)); + + /* + * Start the chip + * Don't care even if err != 0, bna state machine will + * deal with it + */ + err = bnad_device_enable(bnad); + + /* Get the burnt-in mac */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_port_mac_get(&bna->port, &bnad->perm_addr); + bnad_set_netdev_perm_addr(bnad); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); + + /* Finally, reguister with net_device layer */ + err = register_netdev(netdev); + if (err) { + pr_err("BNA : Registering with netdev failed\n"); + goto disable_device; + } + + return 0; + +disable_device: + mutex_lock(&bnad->conf_mutex); + bnad_device_disable(bnad); + del_timer_sync(&bnad->bna.device.ioc.ioc_timer); + del_timer_sync(&bnad->bna.device.ioc.sem_timer); + del_timer_sync(&bnad->bna.device.ioc.hb_timer); + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_uninit(bna); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + mutex_unlock(&bnad->conf_mutex); + + bnad_res_free(bnad); + bnad_disable_msix(bnad); +pci_uninit: + bnad_pci_uninit(pdev); + bnad_lock_uninit(bnad); + bnad_uninit(bnad); +free_netdev: + free_netdev(netdev); + return err; +} + +static void __devexit +bnad_pci_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct bnad *bnad; + struct bna *bna; + unsigned long flags; + + if (!netdev) + return; + + pr_info("%s bnad_pci_remove\n", netdev->name); + bnad = netdev_priv(netdev); + bna = &bnad->bna; + + unregister_netdev(netdev); + + mutex_lock(&bnad->conf_mutex); + bnad_device_disable(bnad); + del_timer_sync(&bnad->bna.device.ioc.ioc_timer); + del_timer_sync(&bnad->bna.device.ioc.sem_timer); + del_timer_sync(&bnad->bna.device.ioc.hb_timer); + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_uninit(bna); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + mutex_unlock(&bnad->conf_mutex); + + bnad_res_free(bnad); + bnad_disable_msix(bnad); + bnad_pci_uninit(pdev); + bnad_lock_uninit(bnad); + bnad_uninit(bnad); + free_netdev(netdev); +} + +static DEFINE_PCI_DEVICE_TABLE(bnad_pci_id_table) = { + { + PCI_DEVICE(PCI_VENDOR_ID_BROCADE, + PCI_DEVICE_ID_BROCADE_CT), + .class = PCI_CLASS_NETWORK_ETHERNET << 8, + .class_mask = 0xffff00 + }, {0, } +}; + +MODULE_DEVICE_TABLE(pci, bnad_pci_id_table); + +static struct pci_driver bnad_pci_driver = { + .name = BNAD_NAME, + .id_table = bnad_pci_id_table, + .probe = bnad_pci_probe, + .remove = __devexit_p(bnad_pci_remove), +}; + +static int __init +bnad_module_init(void) +{ + int err; + + pr_info("Brocade 10G Ethernet driver - version: %s\n", + BNAD_VERSION); + + bfa_nw_ioc_auto_recover(bnad_ioc_auto_recover); + + err = pci_register_driver(&bnad_pci_driver); + if (err < 0) { + pr_err("bna : PCI registration failed in module init " + "(%d)\n", err); + return err; + } + + return 0; +} + +static void __exit +bnad_module_exit(void) +{ + pci_unregister_driver(&bnad_pci_driver); + + if (bfi_fw) + release_firmware(bfi_fw); +} + +module_init(bnad_module_init); +module_exit(bnad_module_exit); + +MODULE_AUTHOR("Brocade"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Brocade 10G PCIe Ethernet driver"); +MODULE_VERSION(BNAD_VERSION); +MODULE_FIRMWARE(CNA_FW_FILE_CT); diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h new file mode 100644 index 000000000000..458eb30371b5 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bnad.h @@ -0,0 +1,341 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#ifndef __BNAD_H__ +#define __BNAD_H__ + +#include +#include +#include +#include +#include +#include +#include + +/* Fix for IA64 */ +#include +#include + +#include +#include + +#include "bna.h" + +#define BNAD_TXQ_DEPTH 2048 +#define BNAD_RXQ_DEPTH 2048 + +#define BNAD_MAX_TXS 1 +#define BNAD_MAX_TXQ_PER_TX 8 /* 8 priority queues */ +#define BNAD_TXQ_NUM 1 + +#define BNAD_MAX_RXS 1 +#define BNAD_MAX_RXPS_PER_RX 16 + +/* + * Control structure pointed to ccb->ctrl, which + * determines the NAPI / LRO behavior CCB + * There is 1:1 corres. between ccb & ctrl + */ +struct bnad_rx_ctrl { + struct bna_ccb *ccb; + unsigned long flags; + struct napi_struct napi; +}; + +#define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC + +#define BNAD_GET_TX_ID(_skb) (0) + +/* + * GLOBAL #defines (CONSTANTS) + */ +#define BNAD_NAME "bna" +#define BNAD_NAME_LEN 64 + +#define BNAD_VERSION "2.3.2.3" + +#define BNAD_MAILBOX_MSIX_INDEX 0 +#define BNAD_MAILBOX_MSIX_VECTORS 1 +#define BNAD_INTX_TX_IB_BITMASK 0x1 +#define BNAD_INTX_RX_IB_BITMASK 0x2 + +#define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */ +#define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */ + +#define BNAD_MAX_Q_DEPTH 0x10000 +#define BNAD_MIN_Q_DEPTH 0x200 + +#define BNAD_JUMBO_MTU 9000 + +#define BNAD_NETIF_WAKE_THRESHOLD 8 + +#define BNAD_RXQ_REFILL_THRESHOLD_SHIFT 3 + +/* Bit positions for tcb->flags */ +#define BNAD_TXQ_FREE_SENT 0 +#define BNAD_TXQ_TX_STARTED 1 + +/* Bit positions for rcb->flags */ +#define BNAD_RXQ_REFILL 0 +#define BNAD_RXQ_STARTED 1 + +/* + * DATA STRUCTURES + */ + +/* enums */ +enum bnad_intr_source { + BNAD_INTR_TX = 1, + BNAD_INTR_RX = 2 +}; + +enum bnad_link_state { + BNAD_LS_DOWN = 0, + BNAD_LS_UP = 1 +}; + +struct bnad_completion { + struct completion ioc_comp; + struct completion ucast_comp; + struct completion mcast_comp; + struct completion tx_comp; + struct completion rx_comp; + struct completion stats_comp; + struct completion port_comp; + + u8 ioc_comp_status; + u8 ucast_comp_status; + u8 mcast_comp_status; + u8 tx_comp_status; + u8 rx_comp_status; + u8 stats_comp_status; + u8 port_comp_status; +}; + +/* Tx Rx Control Stats */ +struct bnad_drv_stats { + u64 netif_queue_stop; + u64 netif_queue_wakeup; + u64 netif_queue_stopped; + u64 tso4; + u64 tso6; + u64 tso_err; + u64 tcpcsum_offload; + u64 udpcsum_offload; + u64 csum_help; + u64 csum_help_err; + + u64 hw_stats_updates; + u64 netif_rx_schedule; + u64 netif_rx_complete; + u64 netif_rx_dropped; + + u64 link_toggle; + u64 cee_up; + + u64 rxp_info_alloc_failed; + u64 mbox_intr_disabled; + u64 mbox_intr_enabled; + u64 tx_unmap_q_alloc_failed; + u64 rx_unmap_q_alloc_failed; + + u64 rxbuf_alloc_failed; +}; + +/* Complete driver stats */ +struct bnad_stats { + struct bnad_drv_stats drv_stats; + struct bna_stats *bna_stats; +}; + +/* Tx / Rx Resources */ +struct bnad_tx_res_info { + struct bna_res_info res_info[BNA_TX_RES_T_MAX]; +}; + +struct bnad_rx_res_info { + struct bna_res_info res_info[BNA_RX_RES_T_MAX]; +}; + +struct bnad_tx_info { + struct bna_tx *tx; /* 1:1 between tx_info & tx */ + struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX]; +} ____cacheline_aligned; + +struct bnad_rx_info { + struct bna_rx *rx; /* 1:1 between rx_info & rx */ + + struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXPS_PER_RX]; +} ____cacheline_aligned; + +/* Unmap queues for Tx / Rx cleanup */ +struct bnad_skb_unmap { + struct sk_buff *skb; + DEFINE_DMA_UNMAP_ADDR(dma_addr); +}; + +struct bnad_unmap_q { + u32 producer_index; + u32 consumer_index; + u32 q_depth; + /* This should be the last one */ + struct bnad_skb_unmap unmap_array[1]; +}; + +/* Bit mask values for bnad->cfg_flags */ +#define BNAD_CF_DIM_ENABLED 0x01 /* DIM */ +#define BNAD_CF_PROMISC 0x02 +#define BNAD_CF_ALLMULTI 0x04 +#define BNAD_CF_MSIX 0x08 /* If in MSIx mode */ + +/* Defines for run_flags bit-mask */ +/* Set, tested & cleared using xxx_bit() functions */ +/* Values indicated bit positions */ +#define BNAD_RF_CEE_RUNNING 1 +#define BNAD_RF_MBOX_IRQ_DISABLED 2 +#define BNAD_RF_RX_STARTED 3 +#define BNAD_RF_DIM_TIMER_RUNNING 4 +#define BNAD_RF_STATS_TIMER_RUNNING 5 +#define BNAD_RF_TX_SHUTDOWN_DELAYED 6 +#define BNAD_RF_RX_SHUTDOWN_DELAYED 7 + +struct bnad { + struct net_device *netdev; + + /* Data path */ + struct bnad_tx_info tx_info[BNAD_MAX_TXS]; + struct bnad_rx_info rx_info[BNAD_MAX_RXS]; + + unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + /* + * These q numbers are global only because + * they are used to calculate MSIx vectors. + * Actually the exact # of queues are per Tx/Rx + * object. + */ + u32 num_tx; + u32 num_rx; + u32 num_txq_per_tx; + u32 num_rxp_per_rx; + + u32 txq_depth; + u32 rxq_depth; + + u8 tx_coalescing_timeo; + u8 rx_coalescing_timeo; + + struct bna_rx_config rx_config[BNAD_MAX_RXS]; + struct bna_tx_config tx_config[BNAD_MAX_TXS]; + + void __iomem *bar0; /* BAR0 address */ + + struct bna bna; + + u32 cfg_flags; + unsigned long run_flags; + + struct pci_dev *pcidev; + u64 mmio_start; + u64 mmio_len; + + u32 msix_num; + struct msix_entry *msix_table; + + struct mutex conf_mutex; + spinlock_t bna_lock ____cacheline_aligned; + + /* Timers */ + struct timer_list ioc_timer; + struct timer_list dim_timer; + struct timer_list stats_timer; + + /* Control path resources, memory & irq */ + struct bna_res_info res_info[BNA_RES_T_MAX]; + struct bnad_tx_res_info tx_res_info[BNAD_MAX_TXS]; + struct bnad_rx_res_info rx_res_info[BNAD_MAX_RXS]; + + struct bnad_completion bnad_completions; + + /* Burnt in MAC address */ + mac_t perm_addr; + + struct tasklet_struct tx_free_tasklet; + + /* Statistics */ + struct bnad_stats stats; + + struct bnad_diag *diag; + + char adapter_name[BNAD_NAME_LEN]; + char port_name[BNAD_NAME_LEN]; + char mbox_irq_name[BNAD_NAME_LEN]; +}; + +/* + * EXTERN VARIABLES + */ +extern struct firmware *bfi_fw; +extern u32 bnad_rxqs_per_cq; + +/* + * EXTERN PROTOTYPES + */ +extern u32 *cna_get_firmware_buf(struct pci_dev *pdev); +/* Netdev entry point prototypes */ +extern void bnad_set_ethtool_ops(struct net_device *netdev); + +/* Configuration & setup */ +extern void bnad_tx_coalescing_timeo_set(struct bnad *bnad); +extern void bnad_rx_coalescing_timeo_set(struct bnad *bnad); + +extern int bnad_setup_rx(struct bnad *bnad, uint rx_id); +extern int bnad_setup_tx(struct bnad *bnad, uint tx_id); +extern void bnad_cleanup_tx(struct bnad *bnad, uint tx_id); +extern void bnad_cleanup_rx(struct bnad *bnad, uint rx_id); + +/* Timer start/stop protos */ +extern void bnad_dim_timer_start(struct bnad *bnad); + +/* Statistics */ +extern void bnad_netdev_qstats_fill(struct bnad *bnad, + struct rtnl_link_stats64 *stats); +extern void bnad_netdev_hwstats_fill(struct bnad *bnad, + struct rtnl_link_stats64 *stats); + +/** + * MACROS + */ +/* To set & get the stats counters */ +#define BNAD_UPDATE_CTR(_bnad, _ctr) \ + (((_bnad)->stats.drv_stats._ctr)++) + +#define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr) + +#define bnad_enable_rx_irq_unsafe(_ccb) \ +{ \ + if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) {\ + bna_ib_coalescing_timer_set((_ccb)->i_dbell, \ + (_ccb)->rx_coalescing_timeo); \ + bna_ib_ack((_ccb)->i_dbell, 0); \ + } \ +} + +#define bnad_dim_timer_running(_bnad) \ + (((_bnad)->cfg_flags & BNAD_CF_DIM_ENABLED) && \ + (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &((_bnad)->run_flags)))) + +#endif /* __BNAD_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c new file mode 100644 index 000000000000..49174f87f4d1 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -0,0 +1,895 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#include "cna.h" + +#include +#include +#include +#include + +#include "bna.h" + +#include "bnad.h" + +#define BNAD_NUM_TXF_COUNTERS 12 +#define BNAD_NUM_RXF_COUNTERS 10 +#define BNAD_NUM_CQ_COUNTERS 3 +#define BNAD_NUM_RXQ_COUNTERS 6 +#define BNAD_NUM_TXQ_COUNTERS 5 + +#define BNAD_ETHTOOL_STATS_NUM \ + (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \ + sizeof(struct bnad_drv_stats) / sizeof(u64) + \ + offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64)) + +static char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { + "rx_packets", + "tx_packets", + "rx_bytes", + "tx_bytes", + "rx_errors", + "tx_errors", + "rx_dropped", + "tx_dropped", + "multicast", + "collisions", + + "rx_length_errors", + "rx_over_errors", + "rx_crc_errors", + "rx_frame_errors", + "rx_fifo_errors", + "rx_missed_errors", + + "tx_aborted_errors", + "tx_carrier_errors", + "tx_fifo_errors", + "tx_heartbeat_errors", + "tx_window_errors", + + "rx_compressed", + "tx_compressed", + + "netif_queue_stop", + "netif_queue_wakeup", + "netif_queue_stopped", + "tso4", + "tso6", + "tso_err", + "tcpcsum_offload", + "udpcsum_offload", + "csum_help", + "csum_help_err", + "hw_stats_updates", + "netif_rx_schedule", + "netif_rx_complete", + "netif_rx_dropped", + + "link_toggle", + "cee_up", + + "rxp_info_alloc_failed", + "mbox_intr_disabled", + "mbox_intr_enabled", + "tx_unmap_q_alloc_failed", + "rx_unmap_q_alloc_failed", + "rxbuf_alloc_failed", + + "mac_frame_64", + "mac_frame_65_127", + "mac_frame_128_255", + "mac_frame_256_511", + "mac_frame_512_1023", + "mac_frame_1024_1518", + "mac_frame_1518_1522", + "mac_rx_bytes", + "mac_rx_packets", + "mac_rx_fcs_error", + "mac_rx_multicast", + "mac_rx_broadcast", + "mac_rx_control_frames", + "mac_rx_pause", + "mac_rx_unknown_opcode", + "mac_rx_alignment_error", + "mac_rx_frame_length_error", + "mac_rx_code_error", + "mac_rx_carrier_sense_error", + "mac_rx_undersize", + "mac_rx_oversize", + "mac_rx_fragments", + "mac_rx_jabber", + "mac_rx_drop", + + "mac_tx_bytes", + "mac_tx_packets", + "mac_tx_multicast", + "mac_tx_broadcast", + "mac_tx_pause", + "mac_tx_deferral", + "mac_tx_excessive_deferral", + "mac_tx_single_collision", + "mac_tx_muliple_collision", + "mac_tx_late_collision", + "mac_tx_excessive_collision", + "mac_tx_total_collision", + "mac_tx_pause_honored", + "mac_tx_drop", + "mac_tx_jabber", + "mac_tx_fcs_error", + "mac_tx_control_frame", + "mac_tx_oversize", + "mac_tx_undersize", + "mac_tx_fragments", + + "bpc_tx_pause_0", + "bpc_tx_pause_1", + "bpc_tx_pause_2", + "bpc_tx_pause_3", + "bpc_tx_pause_4", + "bpc_tx_pause_5", + "bpc_tx_pause_6", + "bpc_tx_pause_7", + "bpc_tx_zero_pause_0", + "bpc_tx_zero_pause_1", + "bpc_tx_zero_pause_2", + "bpc_tx_zero_pause_3", + "bpc_tx_zero_pause_4", + "bpc_tx_zero_pause_5", + "bpc_tx_zero_pause_6", + "bpc_tx_zero_pause_7", + "bpc_tx_first_pause_0", + "bpc_tx_first_pause_1", + "bpc_tx_first_pause_2", + "bpc_tx_first_pause_3", + "bpc_tx_first_pause_4", + "bpc_tx_first_pause_5", + "bpc_tx_first_pause_6", + "bpc_tx_first_pause_7", + + "bpc_rx_pause_0", + "bpc_rx_pause_1", + "bpc_rx_pause_2", + "bpc_rx_pause_3", + "bpc_rx_pause_4", + "bpc_rx_pause_5", + "bpc_rx_pause_6", + "bpc_rx_pause_7", + "bpc_rx_zero_pause_0", + "bpc_rx_zero_pause_1", + "bpc_rx_zero_pause_2", + "bpc_rx_zero_pause_3", + "bpc_rx_zero_pause_4", + "bpc_rx_zero_pause_5", + "bpc_rx_zero_pause_6", + "bpc_rx_zero_pause_7", + "bpc_rx_first_pause_0", + "bpc_rx_first_pause_1", + "bpc_rx_first_pause_2", + "bpc_rx_first_pause_3", + "bpc_rx_first_pause_4", + "bpc_rx_first_pause_5", + "bpc_rx_first_pause_6", + "bpc_rx_first_pause_7", + + "rad_rx_frames", + "rad_rx_octets", + "rad_rx_vlan_frames", + "rad_rx_ucast", + "rad_rx_ucast_octets", + "rad_rx_ucast_vlan", + "rad_rx_mcast", + "rad_rx_mcast_octets", + "rad_rx_mcast_vlan", + "rad_rx_bcast", + "rad_rx_bcast_octets", + "rad_rx_bcast_vlan", + "rad_rx_drops", + + "fc_rx_ucast_octets", + "fc_rx_ucast", + "fc_rx_ucast_vlan", + "fc_rx_mcast_octets", + "fc_rx_mcast", + "fc_rx_mcast_vlan", + "fc_rx_bcast_octets", + "fc_rx_bcast", + "fc_rx_bcast_vlan", + + "fc_tx_ucast_octets", + "fc_tx_ucast", + "fc_tx_ucast_vlan", + "fc_tx_mcast_octets", + "fc_tx_mcast", + "fc_tx_mcast_vlan", + "fc_tx_bcast_octets", + "fc_tx_bcast", + "fc_tx_bcast_vlan", + "fc_tx_parity_errors", + "fc_tx_timeout", + "fc_tx_fid_parity_errors", +}; + +static int +bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) +{ + cmd->supported = SUPPORTED_10000baseT_Full; + cmd->advertising = ADVERTISED_10000baseT_Full; + cmd->autoneg = AUTONEG_DISABLE; + cmd->supported |= SUPPORTED_FIBRE; + cmd->advertising |= ADVERTISED_FIBRE; + cmd->port = PORT_FIBRE; + cmd->phy_address = 0; + + if (netif_carrier_ok(netdev)) { + ethtool_cmd_speed_set(cmd, SPEED_10000); + cmd->duplex = DUPLEX_FULL; + } else { + ethtool_cmd_speed_set(cmd, -1); + cmd->duplex = -1; + } + cmd->transceiver = XCVR_EXTERNAL; + cmd->maxtxpkt = 0; + cmd->maxrxpkt = 0; + + return 0; +} + +static int +bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd) +{ + /* 10G full duplex setting supported only */ + if (cmd->autoneg == AUTONEG_ENABLE) + return -EOPNOTSUPP; else { + if ((ethtool_cmd_speed(cmd) == SPEED_10000) + && (cmd->duplex == DUPLEX_FULL)) + return 0; + } + + return -EOPNOTSUPP; +} + +static void +bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) +{ + struct bnad *bnad = netdev_priv(netdev); + struct bfa_ioc_attr *ioc_attr; + unsigned long flags; + + strcpy(drvinfo->driver, BNAD_NAME); + strcpy(drvinfo->version, BNAD_VERSION); + + ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL); + if (ioc_attr) { + spin_lock_irqsave(&bnad->bna_lock, flags); + bfa_nw_ioc_get_attr(&bnad->bna.device.ioc, ioc_attr); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + strncpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, + sizeof(drvinfo->fw_version) - 1); + kfree(ioc_attr); + } + + strncpy(drvinfo->bus_info, pci_name(bnad->pcidev), ETHTOOL_BUSINFO_LEN); +} + +static void +bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo) +{ + wolinfo->supported = 0; + wolinfo->wolopts = 0; +} + +static int +bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + + /* Lock rqd. to access bnad->bna_lock */ + spin_lock_irqsave(&bnad->bna_lock, flags); + coalesce->use_adaptive_rx_coalesce = + (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false; + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo * + BFI_COALESCING_TIMER_UNIT; + coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo * + BFI_COALESCING_TIMER_UNIT; + coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT; + + return 0; +} + +static int +bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) +{ + struct bnad *bnad = netdev_priv(netdev); + unsigned long flags; + int dim_timer_del = 0; + + if (coalesce->rx_coalesce_usecs == 0 || + coalesce->rx_coalesce_usecs > + BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) + return -EINVAL; + + if (coalesce->tx_coalesce_usecs == 0 || + coalesce->tx_coalesce_usecs > + BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) + return -EINVAL; + + mutex_lock(&bnad->conf_mutex); + /* + * Do not need to store rx_coalesce_usecs here + * Every time DIM is disabled, we can get it from the + * stack. + */ + spin_lock_irqsave(&bnad->bna_lock, flags); + if (coalesce->use_adaptive_rx_coalesce) { + if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) { + bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; + bnad_dim_timer_start(bnad); + } + } else { + if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) { + bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED; + dim_timer_del = bnad_dim_timer_running(bnad); + if (dim_timer_del) { + clear_bit(BNAD_RF_DIM_TIMER_RUNNING, + &bnad->run_flags); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + del_timer_sync(&bnad->dim_timer); + spin_lock_irqsave(&bnad->bna_lock, flags); + } + bnad_rx_coalescing_timeo_set(bnad); + } + } + if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs / + BFI_COALESCING_TIMER_UNIT) { + bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs / + BFI_COALESCING_TIMER_UNIT; + bnad_tx_coalescing_timeo_set(bnad); + } + + if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs / + BFI_COALESCING_TIMER_UNIT) { + bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs / + BFI_COALESCING_TIMER_UNIT; + + if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) + bnad_rx_coalescing_timeo_set(bnad); + + } + + /* Add Tx Inter-pkt DMA count? */ + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); + return 0; +} + +static void +bnad_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ringparam) +{ + struct bnad *bnad = netdev_priv(netdev); + + ringparam->rx_max_pending = BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq; + ringparam->rx_mini_max_pending = 0; + ringparam->rx_jumbo_max_pending = 0; + ringparam->tx_max_pending = BNAD_MAX_Q_DEPTH; + + ringparam->rx_pending = bnad->rxq_depth; + ringparam->rx_mini_max_pending = 0; + ringparam->rx_jumbo_max_pending = 0; + ringparam->tx_pending = bnad->txq_depth; +} + +static int +bnad_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ringparam) +{ + int i, current_err, err = 0; + struct bnad *bnad = netdev_priv(netdev); + + mutex_lock(&bnad->conf_mutex); + if (ringparam->rx_pending == bnad->rxq_depth && + ringparam->tx_pending == bnad->txq_depth) { + mutex_unlock(&bnad->conf_mutex); + return 0; + } + + if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH || + ringparam->rx_pending > BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq || + !BNA_POWER_OF_2(ringparam->rx_pending)) { + mutex_unlock(&bnad->conf_mutex); + return -EINVAL; + } + if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH || + ringparam->tx_pending > BNAD_MAX_Q_DEPTH || + !BNA_POWER_OF_2(ringparam->tx_pending)) { + mutex_unlock(&bnad->conf_mutex); + return -EINVAL; + } + + if (ringparam->rx_pending != bnad->rxq_depth) { + bnad->rxq_depth = ringparam->rx_pending; + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + bnad_cleanup_rx(bnad, i); + current_err = bnad_setup_rx(bnad, i); + if (current_err && !err) + err = current_err; + } + } + if (ringparam->tx_pending != bnad->txq_depth) { + bnad->txq_depth = ringparam->tx_pending; + for (i = 0; i < bnad->num_tx; i++) { + if (!bnad->tx_info[i].tx) + continue; + bnad_cleanup_tx(bnad, i); + current_err = bnad_setup_tx(bnad, i); + if (current_err && !err) + err = current_err; + } + } + + mutex_unlock(&bnad->conf_mutex); + return err; +} + +static void +bnad_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pauseparam) +{ + struct bnad *bnad = netdev_priv(netdev); + + pauseparam->autoneg = 0; + pauseparam->rx_pause = bnad->bna.port.pause_config.rx_pause; + pauseparam->tx_pause = bnad->bna.port.pause_config.tx_pause; +} + +static int +bnad_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pauseparam) +{ + struct bnad *bnad = netdev_priv(netdev); + struct bna_pause_config pause_config; + unsigned long flags; + + if (pauseparam->autoneg == AUTONEG_ENABLE) + return -EINVAL; + + mutex_lock(&bnad->conf_mutex); + if (pauseparam->rx_pause != bnad->bna.port.pause_config.rx_pause || + pauseparam->tx_pause != bnad->bna.port.pause_config.tx_pause) { + pause_config.rx_pause = pauseparam->rx_pause; + pause_config.tx_pause = pauseparam->tx_pause; + spin_lock_irqsave(&bnad->bna_lock, flags); + bna_port_pause_config(&bnad->bna.port, &pause_config, NULL); + spin_unlock_irqrestore(&bnad->bna_lock, flags); + } + mutex_unlock(&bnad->conf_mutex); + return 0; +} + +static void +bnad_get_strings(struct net_device *netdev, u32 stringset, u8 * string) +{ + struct bnad *bnad = netdev_priv(netdev); + int i, j, q_num; + u64 bmap; + + mutex_lock(&bnad->conf_mutex); + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) { + BUG_ON(!(strlen(bnad_net_stats_strings[i]) < + ETH_GSTRING_LEN)); + memcpy(string, bnad_net_stats_strings[i], + ETH_GSTRING_LEN); + string += ETH_GSTRING_LEN; + } + bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | + ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { + if (bmap & 1) { + sprintf(string, "txf%d_ucast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_ucast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_ucast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_mcast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_mcast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_mcast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_bcast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_bcast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_bcast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_errors", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_filter_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "txf%d_filter_mac_sa", i); + string += ETH_GSTRING_LEN; + } + bmap >>= 1; + } + + bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | + ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { + if (bmap & 1) { + sprintf(string, "rxf%d_ucast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_ucast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_ucast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_mcast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_mcast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_mcast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_bcast_octets", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_bcast", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_bcast_vlan", i); + string += ETH_GSTRING_LEN; + sprintf(string, "rxf%d_frame_drops", i); + string += ETH_GSTRING_LEN; + } + bmap >>= 1; + } + + q_num = 0; + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + sprintf(string, "cq%d_producer_index", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "cq%d_consumer_index", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "cq%d_hw_producer_index", + q_num); + string += ETH_GSTRING_LEN; + q_num++; + } + } + + q_num = 0; + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) { + sprintf(string, "rxq%d_packets", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_bytes", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_packets_with_error", + q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_allocbuf_failed", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_producer_index", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_consumer_index", q_num); + string += ETH_GSTRING_LEN; + q_num++; + if (bnad->rx_info[i].rx_ctrl[j].ccb && + bnad->rx_info[i].rx_ctrl[j].ccb-> + rcb[1] && + bnad->rx_info[i].rx_ctrl[j].ccb-> + rcb[1]->rxq) { + sprintf(string, "rxq%d_packets", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_bytes", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, + "rxq%d_packets_with_error", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_allocbuf_failed", + q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_producer_index", + q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_consumer_index", + q_num); + string += ETH_GSTRING_LEN; + q_num++; + } + } + } + + q_num = 0; + for (i = 0; i < bnad->num_tx; i++) { + if (!bnad->tx_info[i].tx) + continue; + for (j = 0; j < bnad->num_txq_per_tx; j++) { + sprintf(string, "txq%d_packets", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "txq%d_bytes", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "txq%d_producer_index", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "txq%d_consumer_index", q_num); + string += ETH_GSTRING_LEN; + sprintf(string, "txq%d_hw_consumer_index", + q_num); + string += ETH_GSTRING_LEN; + q_num++; + } + } + + break; + + default: + break; + } + + mutex_unlock(&bnad->conf_mutex); +} + +static int +bnad_get_stats_count_locked(struct net_device *netdev) +{ + struct bnad *bnad = netdev_priv(netdev); + int i, j, count, rxf_active_num = 0, txf_active_num = 0; + u64 bmap; + + bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | + ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { + if (bmap & 1) + txf_active_num++; + bmap >>= 1; + } + bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | + ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { + if (bmap & 1) + rxf_active_num++; + bmap >>= 1; + } + count = BNAD_ETHTOOL_STATS_NUM + + txf_active_num * BNAD_NUM_TXF_COUNTERS + + rxf_active_num * BNAD_NUM_RXF_COUNTERS; + + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS; + count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS; + for (j = 0; j < bnad->num_rxp_per_rx; j++) + if (bnad->rx_info[i].rx_ctrl[j].ccb && + bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && + bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq) + count += BNAD_NUM_RXQ_COUNTERS; + } + + for (i = 0; i < bnad->num_tx; i++) { + if (!bnad->tx_info[i].tx) + continue; + count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS; + } + return count; +} + +static int +bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) +{ + int i, j; + struct bna_rcb *rcb = NULL; + struct bna_tcb *tcb = NULL; + + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) + if (bnad->rx_info[i].rx_ctrl[j].ccb && + bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && + bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) { + buf[bi++] = bnad->rx_info[i].rx_ctrl[j]. + ccb->producer_index; + buf[bi++] = 0; /* ccb->consumer_index */ + buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j]. + ccb->hw_producer_index); + } + } + for (i = 0; i < bnad->num_rx; i++) { + if (!bnad->rx_info[i].rx) + continue; + for (j = 0; j < bnad->num_rxp_per_rx; j++) + if (bnad->rx_info[i].rx_ctrl[j].ccb) { + if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && + bnad->rx_info[i].rx_ctrl[j].ccb-> + rcb[0]->rxq) { + rcb = bnad->rx_info[i].rx_ctrl[j]. + ccb->rcb[0]; + buf[bi++] = rcb->rxq->rx_packets; + buf[bi++] = rcb->rxq->rx_bytes; + buf[bi++] = rcb->rxq-> + rx_packets_with_error; + buf[bi++] = rcb->rxq-> + rxbuf_alloc_failed; + buf[bi++] = rcb->producer_index; + buf[bi++] = rcb->consumer_index; + } + if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && + bnad->rx_info[i].rx_ctrl[j].ccb-> + rcb[1]->rxq) { + rcb = bnad->rx_info[i].rx_ctrl[j]. + ccb->rcb[1]; + buf[bi++] = rcb->rxq->rx_packets; + buf[bi++] = rcb->rxq->rx_bytes; + buf[bi++] = rcb->rxq-> + rx_packets_with_error; + buf[bi++] = rcb->rxq-> + rxbuf_alloc_failed; + buf[bi++] = rcb->producer_index; + buf[bi++] = rcb->consumer_index; + } + } + } + + for (i = 0; i < bnad->num_tx; i++) { + if (!bnad->tx_info[i].tx) + continue; + for (j = 0; j < bnad->num_txq_per_tx; j++) + if (bnad->tx_info[i].tcb[j] && + bnad->tx_info[i].tcb[j]->txq) { + tcb = bnad->tx_info[i].tcb[j]; + buf[bi++] = tcb->txq->tx_packets; + buf[bi++] = tcb->txq->tx_bytes; + buf[bi++] = tcb->producer_index; + buf[bi++] = tcb->consumer_index; + buf[bi++] = *(tcb->hw_consumer_index); + } + } + + return bi; +} + +static void +bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, + u64 *buf) +{ + struct bnad *bnad = netdev_priv(netdev); + int i, j, bi; + unsigned long flags; + struct rtnl_link_stats64 *net_stats64; + u64 *stats64; + u64 bmap; + + mutex_lock(&bnad->conf_mutex); + if (bnad_get_stats_count_locked(netdev) != stats->n_stats) { + mutex_unlock(&bnad->conf_mutex); + return; + } + + /* + * Used bna_lock to sync reads from bna_stats, which is written + * under the same lock + */ + spin_lock_irqsave(&bnad->bna_lock, flags); + bi = 0; + memset(buf, 0, stats->n_stats * sizeof(u64)); + + net_stats64 = (struct rtnl_link_stats64 *)buf; + bnad_netdev_qstats_fill(bnad, net_stats64); + bnad_netdev_hwstats_fill(bnad, net_stats64); + + bi = sizeof(*net_stats64) / sizeof(u64); + + /* Get netif_queue_stopped from stack */ + bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev); + + /* Fill driver stats into ethtool buffers */ + stats64 = (u64 *)&bnad->stats.drv_stats; + for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++) + buf[bi++] = stats64[i]; + + /* Fill hardware stats excluding the rxf/txf into ethtool bufs */ + stats64 = (u64 *) bnad->stats.bna_stats->hw_stats; + for (i = 0; + i < offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64); + i++) + buf[bi++] = stats64[i]; + + /* Fill txf stats into ethtool buffers */ + bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] | + ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) { + if (bmap & 1) { + stats64 = (u64 *)&bnad->stats.bna_stats-> + hw_stats->txf_stats[i]; + for (j = 0; j < sizeof(struct bfi_ll_stats_txf) / + sizeof(u64); j++) + buf[bi++] = stats64[j]; + } + bmap >>= 1; + } + + /* Fill rxf stats into ethtool buffers */ + bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] | + ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32); + for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) { + if (bmap & 1) { + stats64 = (u64 *)&bnad->stats.bna_stats-> + hw_stats->rxf_stats[i]; + for (j = 0; j < sizeof(struct bfi_ll_stats_rxf) / + sizeof(u64); j++) + buf[bi++] = stats64[j]; + } + bmap >>= 1; + } + + /* Fill per Q stats into ethtool buffers */ + bi = bnad_per_q_stats_fill(bnad, buf, bi); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + + mutex_unlock(&bnad->conf_mutex); +} + +static int +bnad_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return bnad_get_stats_count_locked(netdev); + default: + return -EOPNOTSUPP; + } +} + +static struct ethtool_ops bnad_ethtool_ops = { + .get_settings = bnad_get_settings, + .set_settings = bnad_set_settings, + .get_drvinfo = bnad_get_drvinfo, + .get_wol = bnad_get_wol, + .get_link = ethtool_op_get_link, + .get_coalesce = bnad_get_coalesce, + .set_coalesce = bnad_set_coalesce, + .get_ringparam = bnad_get_ringparam, + .set_ringparam = bnad_set_ringparam, + .get_pauseparam = bnad_get_pauseparam, + .set_pauseparam = bnad_set_pauseparam, + .get_strings = bnad_get_strings, + .get_ethtool_stats = bnad_get_ethtool_stats, + .get_sset_count = bnad_get_sset_count +}; + +void +bnad_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &bnad_ethtool_ops); +} diff --git a/drivers/net/ethernet/brocade/bna/cna.h b/drivers/net/ethernet/brocade/bna/cna.h new file mode 100644 index 000000000000..a679e038747b --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/cna.h @@ -0,0 +1,80 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2006-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ + +#ifndef __CNA_H__ +#define __CNA_H__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define bfa_sm_fault(__event) do { \ + pr_err("SM Assertion failure: %s: %d: event = %d", __FILE__, __LINE__, \ + __event); \ +} while (0) + +extern char bfa_version[]; + +#define CNA_FW_FILE_CT "ctfw_cna.bin" +#define FC_SYMNAME_MAX 256 /*!< max name server symbolic name size */ + +#pragma pack(1) + +#define MAC_ADDRLEN (6) +typedef struct mac { u8 mac[MAC_ADDRLEN]; } mac_t; + +#pragma pack() + +#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next)) +#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next) +#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev) + +/* + * bfa_q_qe_init - to initialize a queue element + */ +#define bfa_q_qe_init(_qe) { \ + bfa_q_next(_qe) = (struct list_head *) NULL; \ + bfa_q_prev(_qe) = (struct list_head *) NULL; \ +} + +/* + * bfa_q_deq - dequeue an element from head of the queue + */ +#define bfa_q_deq(_q, _qe) { \ + if (!list_empty(_q)) { \ + (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ + bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ + (struct list_head *) (_q); \ + bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \ + bfa_q_qe_init(*((struct list_head **) _qe)); \ + } else { \ + *((struct list_head **)(_qe)) = NULL; \ + } \ +} + +#endif /* __CNA_H__ */ diff --git a/drivers/net/ethernet/brocade/bna/cna_fwimg.c b/drivers/net/ethernet/brocade/bna/cna_fwimg.c new file mode 100644 index 000000000000..e8f4ecd9ebb5 --- /dev/null +++ b/drivers/net/ethernet/brocade/bna/cna_fwimg.c @@ -0,0 +1,64 @@ +/* + * Linux network driver for Brocade Converged Network Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + */ +#include +#include "cna.h" + +const struct firmware *bfi_fw; +static u32 *bfi_image_ct_cna; +static u32 bfi_image_ct_cna_size; + +static u32 * +cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, + u32 *bfi_image_size, char *fw_name) +{ + const struct firmware *fw; + + if (request_firmware(&fw, fw_name, &pdev->dev)) { + pr_alert("Can't locate firmware %s\n", fw_name); + goto error; + } + + *bfi_image = (u32 *)fw->data; + *bfi_image_size = fw->size/sizeof(u32); + bfi_fw = fw; + + return *bfi_image; +error: + return NULL; +} + +u32 * +cna_get_firmware_buf(struct pci_dev *pdev) +{ + if (bfi_image_ct_cna_size == 0) + cna_read_firmware(pdev, &bfi_image_ct_cna, + &bfi_image_ct_cna_size, CNA_FW_FILE_CT); + return bfi_image_ct_cna; +} + +u32 * +bfa_cb_image_get_chunk(int type, u32 off) +{ + return (u32 *)(bfi_image_ct_cna + off); +} + +u32 +bfa_cb_image_get_size(int type) +{ + return bfi_image_ct_cna_size; +} -- cgit v1.2.3