diff options
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_utils.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_utils.c | 916 |
1 files changed, 0 insertions, 916 deletions
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c deleted file mode 100644 index 21b4a8373acf..000000000000 --- a/drivers/infiniband/hw/nes/nes_utils.c +++ /dev/null @@ -1,916 +0,0 @@ -/* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/if_vlan.h> -#include <linux/slab.h> -#include <linux/crc32.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/init.h> -#include <linux/kernel.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/byteorder.h> - -#include "nes.h" - -static u16 nes_read16_eeprom(void __iomem *addr, u16 offset); - -u32 mh_detected; -u32 mh_pauses_sent; - -static u32 nes_set_pau(struct nes_device *nesdev) -{ - u32 ret = 0; - u32 counter; - - nes_write_indexed(nesdev, NES_IDX_GPR2, NES_ENABLE_PAU); - nes_write_indexed(nesdev, NES_IDX_GPR_TRIGGER, 1); - - for (counter = 0; counter < NES_PAU_COUNTER; counter++) { - udelay(30); - if (!nes_read_indexed(nesdev, NES_IDX_GPR2)) { - printk(KERN_INFO PFX "PAU is supported.\n"); - break; - } - nes_write_indexed(nesdev, NES_IDX_GPR_TRIGGER, 1); - } - if (counter == NES_PAU_COUNTER) { - printk(KERN_INFO PFX "PAU is not supported.\n"); - return -EPERM; - } - return ret; -} - -/** - * nes_read_eeprom_values - - */ -int nes_read_eeprom_values(struct nes_device *nesdev, struct nes_adapter *nesadapter) -{ - u32 mac_addr_low; - u16 mac_addr_high; - u16 eeprom_data; - u16 eeprom_offset; - u16 next_section_address; - u16 sw_section_ver; - u8 major_ver = 0; - u8 minor_ver = 0; - - /* TODO: deal with EEPROM endian issues */ - if (nesadapter->firmware_eeprom_offset == 0) { - /* Read the EEPROM Parameters */ - eeprom_data = nes_read16_eeprom(nesdev->regs, 0); - nes_debug(NES_DBG_HW, "EEPROM Offset 0 = 0x%04X\n", eeprom_data); - eeprom_offset = 2 + (((eeprom_data & 0x007f) << 3) << - ((eeprom_data & 0x0080) >> 7)); - nes_debug(NES_DBG_HW, "Firmware Offset = 0x%04X\n", eeprom_offset); - nesadapter->firmware_eeprom_offset = eeprom_offset; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 4); - if (eeprom_data != 0x5746) { - nes_debug(NES_DBG_HW, "Not a valid Firmware Image = 0x%04X\n", eeprom_data); - return -1; - } - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - eeprom_offset += ((eeprom_data & 0x00ff) << 3) << ((eeprom_data & 0x0100) >> 8); - nes_debug(NES_DBG_HW, "Software Offset = 0x%04X\n", eeprom_offset); - nesadapter->software_eeprom_offset = eeprom_offset; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 4); - if (eeprom_data != 0x5753) { - printk("Not a valid Software Image = 0x%04X\n", eeprom_data); - return -1; - } - sw_section_ver = nes_read16_eeprom(nesdev->regs, nesadapter->software_eeprom_offset + 6); - nes_debug(NES_DBG_HW, "Software section version number = 0x%04X\n", - sw_section_ver); - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + (((eeprom_data & 0x00ff) << 3) << - ((eeprom_data & 0x0100) >> 8)); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x414d) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x414d but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_offset = next_section_address; - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + (((eeprom_data & 0x00ff) << 3) << - ((eeprom_data & 0x0100) >> 8)); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x4f52) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x4f52 but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_offset = next_section_address; - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + ((eeprom_data & 0x00ff) << 3); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x5746) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x5746 but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_offset = next_section_address; - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + ((eeprom_data & 0x00ff) << 3); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x5753) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x5753 but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_offset = next_section_address; - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + ((eeprom_data & 0x00ff) << 3); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x414d) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x414d but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_offset = next_section_address; - - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset + 2); - nes_debug(NES_DBG_HW, "EEPROM Offset %u (next section) = 0x%04X\n", - eeprom_offset + 2, eeprom_data); - next_section_address = eeprom_offset + ((eeprom_data & 0x00ff) << 3); - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 4); - if (eeprom_data != 0x464e) { - nes_debug(NES_DBG_HW, "EEPROM Changed offset should be 0x464e but was 0x%04X\n", - eeprom_data); - goto no_fw_rev; - } - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 8); - printk(PFX "Firmware version %u.%u\n", (u8)(eeprom_data>>8), (u8)eeprom_data); - major_ver = (u8)(eeprom_data >> 8); - minor_ver = (u8)(eeprom_data); - - if (nes_drv_opt & NES_DRV_OPT_DISABLE_VIRT_WQ) { - nes_debug(NES_DBG_HW, "Virtual WQs have been disabled\n"); - } else if (((major_ver == 2) && (minor_ver > 21)) || ((major_ver > 2) && (major_ver != 255))) { - nesadapter->virtwq = 1; - } - if (((major_ver == 3) && (minor_ver >= 16)) || (major_ver > 3)) - nesadapter->send_term_ok = 1; - - if (nes_drv_opt & NES_DRV_OPT_ENABLE_PAU) { - if (!nes_set_pau(nesdev)) - nesadapter->allow_unaligned_fpdus = 1; - } - - nesadapter->firmware_version = (((u32)(u8)(eeprom_data>>8)) << 16) + - (u32)((u8)eeprom_data); - - eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 10); - printk(PFX "EEPROM version %u.%u\n", (u8)(eeprom_data>>8), (u8)eeprom_data); - nesadapter->eeprom_version = (((u32)(u8)(eeprom_data>>8)) << 16) + - (u32)((u8)eeprom_data); - -no_fw_rev: - /* eeprom is valid */ - eeprom_offset = nesadapter->software_eeprom_offset; - eeprom_offset += 8; - nesadapter->netdev_max = (u8)nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - mac_addr_high = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - mac_addr_low = (u32)nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - mac_addr_low <<= 16; - mac_addr_low += (u32)nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "Base MAC Address = 0x%04X%08X\n", - mac_addr_high, mac_addr_low); - nes_debug(NES_DBG_HW, "MAC Address count = %u\n", nesadapter->netdev_max); - - nesadapter->mac_addr_low = mac_addr_low; - nesadapter->mac_addr_high = mac_addr_high; - - /* Read the Phy Type array */ - eeprom_offset += 10; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->phy_type[0] = (u8)(eeprom_data >> 8); - nesadapter->phy_type[1] = (u8)eeprom_data; - - /* Read the port array */ - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->phy_type[2] = (u8)(eeprom_data >> 8); - nesadapter->phy_type[3] = (u8)eeprom_data; - /* port_count is set by soft reset reg */ - nes_debug(NES_DBG_HW, "port_count = %u, port 0 -> %u, port 1 -> %u," - " port 2 -> %u, port 3 -> %u\n", - nesadapter->port_count, - nesadapter->phy_type[0], nesadapter->phy_type[1], - nesadapter->phy_type[2], nesadapter->phy_type[3]); - - /* Read PD config array */ - eeprom_offset += 10; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_size[0] = eeprom_data; - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_base[0] = eeprom_data; - nes_debug(NES_DBG_HW, "PD0 config, size=0x%04x, base=0x%04x\n", - nesadapter->pd_config_size[0], nesadapter->pd_config_base[0]); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_size[1] = eeprom_data; - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_base[1] = eeprom_data; - nes_debug(NES_DBG_HW, "PD1 config, size=0x%04x, base=0x%04x\n", - nesadapter->pd_config_size[1], nesadapter->pd_config_base[1]); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_size[2] = eeprom_data; - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_base[2] = eeprom_data; - nes_debug(NES_DBG_HW, "PD2 config, size=0x%04x, base=0x%04x\n", - nesadapter->pd_config_size[2], nesadapter->pd_config_base[2]); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_size[3] = eeprom_data; - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->pd_config_base[3] = eeprom_data; - nes_debug(NES_DBG_HW, "PD3 config, size=0x%04x, base=0x%04x\n", - nesadapter->pd_config_size[3], nesadapter->pd_config_base[3]); - - /* Read Rx Pool Size */ - eeprom_offset += 22; /* 46 */ - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->rx_pool_size = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "rx_pool_size = 0x%08X\n", nesadapter->rx_pool_size); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->tx_pool_size = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "tx_pool_size = 0x%08X\n", nesadapter->tx_pool_size); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->rx_threshold = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "rx_threshold = 0x%08X\n", nesadapter->rx_threshold); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->tcp_timer_core_clk_divisor = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "tcp_timer_core_clk_divisor = 0x%08X\n", - nesadapter->tcp_timer_core_clk_divisor); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->iwarp_config = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "iwarp_config = 0x%08X\n", nesadapter->iwarp_config); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->cm_config = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "cm_config = 0x%08X\n", nesadapter->cm_config); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->sws_timer_config = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "sws_timer_config = 0x%08X\n", nesadapter->sws_timer_config); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->tcp_config1 = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "tcp_config1 = 0x%08X\n", nesadapter->tcp_config1); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->wqm_wat = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "wqm_wat = 0x%08X\n", nesadapter->wqm_wat); - - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - eeprom_offset += 2; - nesadapter->core_clock = (((u32)eeprom_data) << 16) + - nes_read16_eeprom(nesdev->regs, eeprom_offset); - nes_debug(NES_DBG_HW, "core_clock = 0x%08X\n", nesadapter->core_clock); - - if ((sw_section_ver) && (nesadapter->hw_rev != NE020_REV)) { - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->phy_index[0] = (eeprom_data & 0xff00)>>8; - nesadapter->phy_index[1] = eeprom_data & 0x00ff; - eeprom_offset += 2; - eeprom_data = nes_read16_eeprom(nesdev->regs, eeprom_offset); - nesadapter->phy_index[2] = (eeprom_data & 0xff00)>>8; - nesadapter->phy_index[3] = eeprom_data & 0x00ff; - } else { - nesadapter->phy_index[0] = 4; - nesadapter->phy_index[1] = 5; - nesadapter->phy_index[2] = 6; - nesadapter->phy_index[3] = 7; - } - nes_debug(NES_DBG_HW, "Phy address map = 0 > %u, 1 > %u, 2 > %u, 3 > %u\n", - nesadapter->phy_index[0],nesadapter->phy_index[1], - nesadapter->phy_index[2],nesadapter->phy_index[3]); - } - - return 0; -} - - -/** - * nes_read16_eeprom - */ -static u16 nes_read16_eeprom(void __iomem *addr, u16 offset) -{ - writel(NES_EEPROM_READ_REQUEST + (offset >> 1), - (void __iomem *)addr + NES_EEPROM_COMMAND); - - do { - } while (readl((void __iomem *)addr + NES_EEPROM_COMMAND) & - NES_EEPROM_READ_REQUEST); - - return readw((void __iomem *)addr + NES_EEPROM_DATA); -} - - -/** - * nes_write_1G_phy_reg - */ -void nes_write_1G_phy_reg(struct nes_device *nesdev, u8 phy_reg, u8 phy_addr, u16 data) -{ - u32 u32temp; - u32 counter; - - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x50020000 | data | ((u32)phy_reg << 18) | ((u32)phy_addr << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - /* nes_debug(NES_DBG_PHY, "Phy interrupt status = 0x%X.\n", u32temp); */ - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); -} - - -/** - * nes_read_1G_phy_reg - * This routine only issues the read, the data must be read - * separately. - */ -void nes_read_1G_phy_reg(struct nes_device *nesdev, u8 phy_reg, u8 phy_addr, u16 *data) -{ - u32 u32temp; - u32 counter; - - /* nes_debug(NES_DBG_PHY, "phy addr = %d, mac_index = %d\n", - phy_addr, nesdev->mac_index); */ - - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x60020000 | ((u32)phy_reg << 18) | ((u32)phy_addr << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - /* nes_debug(NES_DBG_PHY, "Phy interrupt status = 0x%X.\n", u32temp); */ - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) { - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); - *data = 0xffff; - } else { - *data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL); - } -} - - -/** - * nes_write_10G_phy_reg - */ -void nes_write_10G_phy_reg(struct nes_device *nesdev, u16 phy_addr, u8 dev_addr, u16 phy_reg, - u16 data) -{ - u32 port_addr; - u32 u32temp; - u32 counter; - - port_addr = phy_addr; - - /* set address */ - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x00020000 | (u32)phy_reg | (((u32)dev_addr) << 18) | (((u32)port_addr) << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); - - /* set data */ - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x10020000 | (u32)data | (((u32)dev_addr) << 18) | (((u32)port_addr) << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); -} - - -/** - * nes_read_10G_phy_reg - * This routine only issues the read, the data must be read - * separately. - */ -void nes_read_10G_phy_reg(struct nes_device *nesdev, u8 phy_addr, u8 dev_addr, u16 phy_reg) -{ - u32 port_addr; - u32 u32temp; - u32 counter; - - port_addr = phy_addr; - - /* set address */ - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x00020000 | (u32)phy_reg | (((u32)dev_addr) << 18) | (((u32)port_addr) << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); - - /* issue read */ - nes_write_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL, - 0x30020000 | (((u32)dev_addr) << 18) | (((u32)port_addr) << 23)); - for (counter = 0; counter < 100 ; counter++) { - udelay(30); - u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS); - if (u32temp & 1) { - nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS, 1); - break; - } - } - if (!(u32temp & 1)) - nes_debug(NES_DBG_PHY, "Phy is not responding. interrupt status = 0x%X.\n", - u32temp); -} - - -/** - * nes_get_cqp_request - */ -struct nes_cqp_request *nes_get_cqp_request(struct nes_device *nesdev) -{ - unsigned long flags; - struct nes_cqp_request *cqp_request = NULL; - - if (!list_empty(&nesdev->cqp_avail_reqs)) { - spin_lock_irqsave(&nesdev->cqp.lock, flags); - if (!list_empty(&nesdev->cqp_avail_reqs)) { - cqp_request = list_entry(nesdev->cqp_avail_reqs.next, - struct nes_cqp_request, list); - list_del_init(&cqp_request->list); - } - spin_unlock_irqrestore(&nesdev->cqp.lock, flags); - } - if (cqp_request == NULL) { - cqp_request = kzalloc(sizeof(struct nes_cqp_request), GFP_ATOMIC); - if (cqp_request) { - cqp_request->dynamic = 1; - INIT_LIST_HEAD(&cqp_request->list); - } - } - - if (cqp_request) { - init_waitqueue_head(&cqp_request->waitq); - cqp_request->waiting = 0; - cqp_request->request_done = 0; - cqp_request->callback = 0; - init_waitqueue_head(&cqp_request->waitq); - nes_debug(NES_DBG_CQP, "Got cqp request %p from the available list \n", - cqp_request); - } else - printk(KERN_ERR PFX "%s: Could not allocated a CQP request.\n", - __func__); - - return cqp_request; -} - -void nes_free_cqp_request(struct nes_device *nesdev, - struct nes_cqp_request *cqp_request) -{ - unsigned long flags; - - nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n", - cqp_request, - le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX]) & 0x3f); - - if (cqp_request->dynamic) { - kfree(cqp_request); - } else { - spin_lock_irqsave(&nesdev->cqp.lock, flags); - list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs); - spin_unlock_irqrestore(&nesdev->cqp.lock, flags); - } -} - -void nes_put_cqp_request(struct nes_device *nesdev, - struct nes_cqp_request *cqp_request) -{ - if (atomic_dec_and_test(&cqp_request->refcount)) - nes_free_cqp_request(nesdev, cqp_request); -} - - -/** - * nes_post_cqp_request - */ -void nes_post_cqp_request(struct nes_device *nesdev, - struct nes_cqp_request *cqp_request) -{ - struct nes_hw_cqp_wqe *cqp_wqe; - unsigned long flags; - u32 cqp_head; - u64 u64temp; - u32 opcode; - int ctx_index = NES_CQP_WQE_COMP_CTX_LOW_IDX; - - spin_lock_irqsave(&nesdev->cqp.lock, flags); - - if (((((nesdev->cqp.sq_tail+(nesdev->cqp.sq_size*2))-nesdev->cqp.sq_head) & - (nesdev->cqp.sq_size - 1)) != 1) - && (list_empty(&nesdev->cqp_pending_reqs))) { - cqp_head = nesdev->cqp.sq_head++; - nesdev->cqp.sq_head &= nesdev->cqp.sq_size-1; - cqp_wqe = &nesdev->cqp.sq_vbase[cqp_head]; - memcpy(cqp_wqe, &cqp_request->cqp_wqe, sizeof(*cqp_wqe)); - opcode = le32_to_cpu(cqp_wqe->wqe_words[NES_CQP_WQE_OPCODE_IDX]); - if ((opcode & NES_CQP_OPCODE_MASK) == NES_CQP_DOWNLOAD_SEGMENT) - ctx_index = NES_CQP_WQE_DL_COMP_CTX_LOW_IDX; - barrier(); - u64temp = (unsigned long)cqp_request; - set_wqe_64bit_value(cqp_wqe->wqe_words, ctx_index, u64temp); - nes_debug(NES_DBG_CQP, "CQP request (opcode 0x%02X), line 1 = 0x%08X put on CQPs SQ," - " request = %p, cqp_head = %u, cqp_tail = %u, cqp_size = %u," - " waiting = %d, refcount = %d.\n", - opcode & NES_CQP_OPCODE_MASK, - le32_to_cpu(cqp_wqe->wqe_words[NES_CQP_WQE_ID_IDX]), cqp_request, - nesdev->cqp.sq_head, nesdev->cqp.sq_tail, nesdev->cqp.sq_size, - cqp_request->waiting, atomic_read(&cqp_request->refcount)); - - barrier(); - - /* Ring doorbell (1 WQEs) */ - nes_write32(nesdev->regs+NES_WQE_ALLOC, 0x01800000 | nesdev->cqp.qp_id); - - barrier(); - } else { - nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X), line 1 = 0x%08X" - " put on the pending queue.\n", - cqp_request, - le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX])&0x3f, - le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_ID_IDX])); - list_add_tail(&cqp_request->list, &nesdev->cqp_pending_reqs); - } - - spin_unlock_irqrestore(&nesdev->cqp.lock, flags); - - return; -} - -/** - * nes_arp_table - */ -int nes_arp_table(struct nes_device *nesdev, u32 ip_addr, u8 *mac_addr, u32 action) -{ - struct nes_adapter *nesadapter = nesdev->nesadapter; - int arp_index; - int err = 0; - __be32 tmp_addr; - - for (arp_index = 0; (u32) arp_index < nesadapter->arp_table_size; arp_index++) { - if (nesadapter->arp_table[arp_index].ip_addr == ip_addr) - break; - } - - if (action == NES_ARP_ADD) { - if (arp_index != nesadapter->arp_table_size) { - return -1; - } - - arp_index = 0; - err = nes_alloc_resource(nesadapter, nesadapter->allocated_arps, - nesadapter->arp_table_size, (u32 *)&arp_index, &nesadapter->next_arp_index, NES_RESOURCE_ARP); - if (err) { - nes_debug(NES_DBG_NETDEV, "nes_alloc_resource returned error = %u\n", err); - return err; - } - nes_debug(NES_DBG_NETDEV, "ADD, arp_index=%d\n", arp_index); - - nesadapter->arp_table[arp_index].ip_addr = ip_addr; - memcpy(nesadapter->arp_table[arp_index].mac_addr, mac_addr, ETH_ALEN); - return arp_index; - } - - /* DELETE or RESOLVE */ - if (arp_index == nesadapter->arp_table_size) { - tmp_addr = cpu_to_be32(ip_addr); - nes_debug(NES_DBG_NETDEV, "MAC for %pI4 not in ARP table - cannot %s\n", - &tmp_addr, action == NES_ARP_RESOLVE ? "resolve" : "delete"); - return -1; - } - - if (action == NES_ARP_RESOLVE) { - nes_debug(NES_DBG_NETDEV, "RESOLVE, arp_index=%d\n", arp_index); - return arp_index; - } - - if (action == NES_ARP_DELETE) { - nes_debug(NES_DBG_NETDEV, "DELETE, arp_index=%d\n", arp_index); - nesadapter->arp_table[arp_index].ip_addr = 0; - eth_zero_addr(nesadapter->arp_table[arp_index].mac_addr); - nes_free_resource(nesadapter, nesadapter->allocated_arps, arp_index); - return arp_index; - } - - return -1; -} - - -/** - * nes_mh_fix - */ -void nes_mh_fix(struct timer_list *t) -{ - struct nes_adapter *nesadapter = from_timer(nesadapter, t, mh_timer); - struct nes_device *nesdev = nesadapter->nesdev; - unsigned long flags; - struct nes_vnic *nesvnic; - u32 used_chunks_tx; - u32 temp_used_chunks_tx; - u32 temp_last_used_chunks_tx; - u32 used_chunks_mask; - u32 mac_tx_frames_low; - u32 mac_tx_frames_high; - u32 mac_tx_pauses; - u32 reset_value; - u32 tx_control; - u32 tx_config; - u32 tx_pause_quanta; - u32 rx_control; - u32 rx_config; - u32 mac_exact_match; - u32 mpp_debug; - u32 i=0; - u32 chunks_tx_progress = 0; - - spin_lock_irqsave(&nesadapter->phy_lock, flags); - if ((nesadapter->mac_sw_state[0] != NES_MAC_SW_IDLE) || (nesadapter->mac_link_down[0])) { - spin_unlock_irqrestore(&nesadapter->phy_lock, flags); - goto no_mh_work; - } - nesadapter->mac_sw_state[0] = NES_MAC_SW_MH; - spin_unlock_irqrestore(&nesadapter->phy_lock, flags); - do { - mac_tx_frames_low = nes_read_indexed(nesdev, NES_IDX_MAC_TX_FRAMES_LOW); - mac_tx_frames_high = nes_read_indexed(nesdev, NES_IDX_MAC_TX_FRAMES_HIGH); - mac_tx_pauses = nes_read_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_FRAMES); - used_chunks_tx = nes_read_indexed(nesdev, NES_IDX_USED_CHUNKS_TX); - nesdev->mac_pause_frames_sent += mac_tx_pauses; - used_chunks_mask = 0; - temp_used_chunks_tx = used_chunks_tx; - temp_last_used_chunks_tx = nesdev->last_used_chunks_tx; - - if (nesdev->netdev[0]) { - nesvnic = netdev_priv(nesdev->netdev[0]); - } else { - break; - } - - for (i=0; i<4; i++) { - used_chunks_mask <<= 8; - if (nesvnic->qp_nic_index[i] != 0xff) { - used_chunks_mask |= 0xff; - if ((temp_used_chunks_tx&0xff)<(temp_last_used_chunks_tx&0xff)) { - chunks_tx_progress = 1; - } - } - temp_used_chunks_tx >>= 8; - temp_last_used_chunks_tx >>= 8; - } - if ((mac_tx_frames_low) || (mac_tx_frames_high) || - (!(used_chunks_tx&used_chunks_mask)) || - (!(nesdev->last_used_chunks_tx&used_chunks_mask)) || - (chunks_tx_progress) ) { - nesdev->last_used_chunks_tx = used_chunks_tx; - break; - } - nesdev->last_used_chunks_tx = used_chunks_tx; - barrier(); - - nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONTROL, 0x00000005); - mh_pauses_sent++; - mac_tx_pauses = nes_read_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_FRAMES); - if (mac_tx_pauses) { - nesdev->mac_pause_frames_sent += mac_tx_pauses; - break; - } - - tx_control = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONTROL); - tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG); - tx_pause_quanta = nes_read_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_QUANTA); - rx_control = nes_read_indexed(nesdev, NES_IDX_MAC_RX_CONTROL); - rx_config = nes_read_indexed(nesdev, NES_IDX_MAC_RX_CONFIG); - mac_exact_match = nes_read_indexed(nesdev, NES_IDX_MAC_EXACT_MATCH_BOTTOM); - mpp_debug = nes_read_indexed(nesdev, NES_IDX_MPP_DEBUG); - - /* one last ditch effort to avoid a false positive */ - mac_tx_pauses = nes_read_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_FRAMES); - if (mac_tx_pauses) { - nesdev->last_mac_tx_pauses = nesdev->mac_pause_frames_sent; - nes_debug(NES_DBG_HW, "failsafe caught slow outbound pause\n"); - break; - } - mh_detected++; - - nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONTROL, 0x00000000); - nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, 0x00000000); - reset_value = nes_read32(nesdev->regs+NES_SOFTWARE_RESET); - - nes_write32(nesdev->regs+NES_SOFTWARE_RESET, reset_value | 0x0000001d); - - while (((nes_read32(nesdev->regs+NES_SOFTWARE_RESET) - & 0x00000040) != 0x00000040) && (i++ < 5000)) { - /* mdelay(1); */ - } - - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008); - nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS0); - - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP0, 0x000bdef7); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_DRIVE0, 0x9ce73000); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_RX_MODE0, 0x0ff00000); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_RX_SIGDET0, 0x00000000); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_BYPASS0, 0x00000000); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_LOOPBACK_CONTROL0, 0x00000000); - if (nesadapter->OneG_Mode) { - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_RX_EQ_CONTROL0, 0xf0182222); - } else { - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_RX_EQ_CONTROL0, 0xf0042222); - } - nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_RX_EQ_STATUS0); - nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000ff); - - nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONTROL, tx_control); - nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config); - nes_write_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_QUANTA, tx_pause_quanta); - nes_write_indexed(nesdev, NES_IDX_MAC_RX_CONTROL, rx_control); - nes_write_indexed(nesdev, NES_IDX_MAC_RX_CONFIG, rx_config); - nes_write_indexed(nesdev, NES_IDX_MAC_EXACT_MATCH_BOTTOM, mac_exact_match); - nes_write_indexed(nesdev, NES_IDX_MPP_DEBUG, mpp_debug); - - } while (0); - - nesadapter->mac_sw_state[0] = NES_MAC_SW_IDLE; -no_mh_work: - nesdev->nesadapter->mh_timer.expires = jiffies + (HZ/5); - add_timer(&nesdev->nesadapter->mh_timer); -} - -/** - * nes_clc - */ -void nes_clc(struct timer_list *t) -{ - struct nes_adapter *nesadapter = from_timer(nesadapter, t, lc_timer); - unsigned long flags; - - spin_lock_irqsave(&nesadapter->phy_lock, flags); - nesadapter->link_interrupt_count[0] = 0; - nesadapter->link_interrupt_count[1] = 0; - nesadapter->link_interrupt_count[2] = 0; - nesadapter->link_interrupt_count[3] = 0; - spin_unlock_irqrestore(&nesadapter->phy_lock, flags); - - nesadapter->lc_timer.expires = jiffies + 3600 * HZ; /* 1 hour */ - add_timer(&nesadapter->lc_timer); -} - - -/** - * nes_dump_mem - */ -void nes_dump_mem(unsigned int dump_debug_level, void *addr, int length) -{ - if (!(nes_debug_level & dump_debug_level)) { - return; - } - - if (length > 0x100) { - nes_debug(dump_debug_level, "Length truncated from %x to %x\n", length, 0x100); - length = 0x100; - } - nes_debug(dump_debug_level, "Address=0x%p, length=0x%x (%d)\n", addr, length, length); - - print_hex_dump(KERN_ERR, PFX, DUMP_PREFIX_NONE, 16, 1, addr, length, true); -} |