From 2b133ad6e9e96798007e64eb912c42fa00adef0a Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Fri, 20 May 2011 06:55:16 -0700 Subject: atl*: Move the Atheros drivers Move the Atheros drivers into drivers/net/ethernet/atheros/ and make the necessary Kconfig and Makefile changes. CC: Jay Cliburn CC: Chris Snook CC: Jie Yang Signed-off-by: Jeff Kirsher --- drivers/net/atlx/Makefile | 3 - drivers/net/atlx/atl1.c | 3675 --------------------------------------------- drivers/net/atlx/atl1.h | 792 ---------- drivers/net/atlx/atl2.c | 3119 -------------------------------------- drivers/net/atlx/atl2.h | 525 ------- drivers/net/atlx/atlx.c | 269 ---- drivers/net/atlx/atlx.h | 503 ------- 7 files changed, 8886 deletions(-) delete mode 100644 drivers/net/atlx/Makefile delete mode 100644 drivers/net/atlx/atl1.c delete mode 100644 drivers/net/atlx/atl1.h delete mode 100644 drivers/net/atlx/atl2.c delete mode 100644 drivers/net/atlx/atl2.h delete mode 100644 drivers/net/atlx/atlx.c delete mode 100644 drivers/net/atlx/atlx.h (limited to 'drivers/net/atlx') diff --git a/drivers/net/atlx/Makefile b/drivers/net/atlx/Makefile deleted file mode 100644 index e4f6022ca552..000000000000 --- a/drivers/net/atlx/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_ATL1) += atl1.o -obj-$(CONFIG_ATL2) += atl2.o - diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c deleted file mode 100644 index 97e6954304ea..000000000000 --- a/drivers/net/atlx/atl1.c +++ /dev/null @@ -1,3675 +0,0 @@ -/* - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution in the - * file called COPYING. - * - * Contact Information: - * Xiong Huang - * Jie Yang - * Chris Snook - * Jay Cliburn - * - * This version is adapted from the Attansic reference driver. - * - * TODO: - * Add more ethtool functions. - * Fix abstruse irq enable/disable condition described here: - * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 - * - * NEEDS TESTING: - * VLAN - * multicast - * promiscuous mode - * interrupt coalescing - * SMP torture testing - */ - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "atl1.h" - -#define ATLX_DRIVER_VERSION "2.1.3" -MODULE_AUTHOR("Xiong Huang , " - "Chris Snook , " - "Jay Cliburn "); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATLX_DRIVER_VERSION); - -/* Temporary hack for merging atl1 and atl2 */ -#include "atlx.c" - -static const struct ethtool_ops atl1_ethtool_ops; - -/* - * This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ -#define ATL1_MAX_NIC 4 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -#define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET } - -/* - * Interrupt Moderate Timer in units of 2 us - * - * Valid Range: 10-65535 - * - * Default Value: 100 (200us) - */ -static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT; -static unsigned int num_int_mod_timer; -module_param_array_named(int_mod_timer, int_mod_timer, int, - &num_int_mod_timer, 0); -MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer"); - -#define DEFAULT_INT_MOD_CNT 100 /* 200us */ -#define MAX_INT_MOD_CNT 65000 -#define MIN_INT_MOD_CNT 50 - -struct atl1_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl1_opt_list { - int i; - char *str; - } *p; - } l; - } arg; -}; - -static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, - struct pci_dev *pdev) -{ - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - dev_info(&pdev->dev, "%s enabled\n", opt->name); - return 0; - case OPTION_DISABLED: - dev_info(&pdev->dev, "%s disabled\n", opt->name); - return 0; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - dev_info(&pdev->dev, "%s set to %i\n", opt->name, - *value); - return 0; - } - break; - case list_option:{ - int i; - struct atl1_opt_list *ent; - - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - dev_info(&pdev->dev, "%s\n", - ent->str); - return 0; - } - } - } - break; - - default: - break; - } - - dev_info(&pdev->dev, "invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl1_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -static void __devinit atl1_check_options(struct atl1_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - int bd = adapter->bd_number; - if (bd >= ATL1_MAX_NIC) { - dev_notice(&pdev->dev, "no configuration for board#%i\n", bd); - dev_notice(&pdev->dev, "using defaults for all values\n"); - } - { /* Interrupt Moderate Timer */ - struct atl1_option opt = { - .type = range_option, - .name = "Interrupt Moderator Timer", - .err = "using default of " - __MODULE_STRING(DEFAULT_INT_MOD_CNT), - .def = DEFAULT_INT_MOD_CNT, - .arg = {.r = {.min = MIN_INT_MOD_CNT, - .max = MAX_INT_MOD_CNT} } - }; - int val; - if (num_int_mod_timer > bd) { - val = int_mod_timer[bd]; - atl1_validate_option(&val, &opt, pdev); - adapter->imt = (u16) val; - } else - adapter->imt = (u16) (opt.def); - } -} - -/* - * atl1_pci_tbl - PCI Device ID Table - */ -static DEFINE_PCI_DEVICE_TABLE(atl1_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1)}, - /* required last entry */ - {0,} -}; -MODULE_DEVICE_TABLE(pci, atl1_pci_tbl); - -static const u32 atl1_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | - NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; - -static int debug = -1; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Message level (0=none,...,16=all)"); - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static s32 atl1_reset_hw(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - u32 icr; - int i; - - /* - * Clear Interrupt mask to stop board from generating - * interrupts & Clear any pending interrupt events - */ - /* - * iowrite32(0, hw->hw_addr + REG_IMR); - * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); - */ - - /* - * Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); - ioread32(hw->hw_addr + REG_MASTER_CTRL); - - iowrite16(1, hw->hw_addr + REG_PHY_ENABLE); - ioread16(hw->hw_addr + REG_PHY_ENABLE); - - /* delay about 1ms */ - msleep(1); - - /* Wait at least 10ms for All module to be Idle */ - for (i = 0; i < 10; i++) { - icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); - if (!icr) - break; - /* delay 1 ms */ - msleep(1); - /* FIXME: still the right way to do this? */ - cpu_relax(); - } - - if (icr) { - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); - return icr; - } - - return 0; -} - -/* function about EEPROM - * - * check_eeprom_exist - * return 0 if eeprom exist - */ -static int atl1_check_eeprom_exist(struct atl1_hw *hw) -{ - u32 value; - value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - } - - value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) -{ - int i; - u32 control; - - if (offset & 3) - /* address do not align */ - return false; - - iowrite32(0, hw->hw_addr + REG_VPD_DATA); - control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - iowrite32(control, hw->hw_addr + REG_VPD_CAP); - ioread32(hw->hw_addr + REG_VPD_CAP); - - for (i = 0; i < 10; i++) { - msleep(2); - control = ioread32(hw->hw_addr + REG_VPD_CAP); - if (control & VPD_CAP_VPD_FLAG) - break; - } - if (control & VPD_CAP_VPD_FLAG) { - *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); - return true; - } - /* timeout */ - return false; -} - -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -static s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << - MDIO_CLK_SEL_SHIFT; - iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); - ioread32(hw->hw_addr + REG_MDIO_CTRL); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16) val; - return 0; - } - return ATLX_ERR_PHY; -} - -#define CUSTOM_SPI_CS_SETUP 2 -#define CUSTOM_SPI_CLK_HI 2 -#define CUSTOM_SPI_CLK_LO 2 -#define CUSTOM_SPI_CS_HOLD 2 -#define CUSTOM_SPI_CS_HI 3 - -static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) -{ - int i; - u32 value; - - iowrite32(0, hw->hw_addr + REG_SPI_DATA); - iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); - - value = SPI_FLASH_CTRL_WAIT_READY | - (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << - SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & - SPI_FLASH_CTRL_CLK_HI_MASK) << - SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & - SPI_FLASH_CTRL_CLK_LO_MASK) << - SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & - SPI_FLASH_CTRL_CS_HOLD_MASK) << - SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & - SPI_FLASH_CTRL_CS_HI_MASK) << - SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << - SPI_FLASH_CTRL_INS_SHIFT; - - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - - value |= SPI_FLASH_CTRL_START; - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - - for (i = 0; i < 10; i++) { - msleep(1); - value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - if (!(value & SPI_FLASH_CTRL_START)) - break; - } - - if (value & SPI_FLASH_CTRL_START) - return false; - - *buf = ioread32(hw->hw_addr + REG_SPI_DATA); - - return true; -} - -/* - * get_permanent_address - * return 0 if get valid mac address, - */ -static int atl1_get_permanent_address(struct atl1_hw *hw) -{ - u32 addr[2]; - u32 i, control; - u16 reg; - u8 eth_addr[ETH_ALEN]; - bool key_valid; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - /* init */ - addr[0] = addr[1] = 0; - - if (!atl1_check_eeprom_exist(hw)) { - reg = 0; - key_valid = false; - /* Read out all EEPROM content */ - i = 0; - while (1) { - if (atl1_read_eeprom(hw, i + 0x100, &control)) { - if (key_valid) { - if (reg == REG_MAC_STA_ADDR) - addr[0] = control; - else if (reg == (REG_MAC_STA_ADDR + 4)) - addr[1] = control; - key_valid = false; - } else if ((control & 0xff) == 0x5A) { - key_valid = true; - reg = (u16) (control >> 16); - } else - break; - } else - /* read error */ - break; - i += 4; - } - - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - } - - /* see if SPI FLAGS exist ? */ - addr[0] = addr[1] = 0; - reg = 0; - key_valid = false; - i = 0; - while (1) { - if (atl1_spi_read(hw, i + 0x1f000, &control)) { - if (key_valid) { - if (reg == REG_MAC_STA_ADDR) - addr[0] = control; - else if (reg == (REG_MAC_STA_ADDR + 4)) - addr[1] = control; - key_valid = false; - } else if ((control & 0xff) == 0x5A) { - key_valid = true; - reg = (u16) (control >> 16); - } else - /* data end */ - break; - } else - /* read error */ - break; - i += 4; - } - - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - /* - * On some motherboards, the MAC address is written by the - * BIOS directly to the MAC register during POST, and is - * not stored in eeprom. If all else thus far has failed - * to fetch the permanent MAC address, try reading it directly. - */ - addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); - addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - return 1; -} - -/* - * Reads the adapter's MAC address from the EEPROM - * hw - Struct containing variables accessed by shared code - */ -static s32 atl1_read_mac_addr(struct atl1_hw *hw) -{ - u16 i; - - if (atl1_get_permanent_address(hw)) - random_ether_addr(hw->perm_mac_addr); - - for (i = 0; i < ETH_ALEN; i++) - hw->mac_addr[i] = hw->perm_mac_addr[i]; - return 0; -} - -/* - * Hashes an address to determine its location in the multicast table - * hw - Struct containing variables accessed by shared code - * mc_addr - the multicast address to hash - * - * atl1_hash_mc_addr - * purpose - * set hash value for a multicast address - * hash calcu processing : - * 1. calcu 32bit CRC for multicast address - * 2. reverse crc with MSB to LSB - */ -static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) -{ - u32 crc32, value = 0; - int i; - - crc32 = ether_crc_le(6, mc_addr); - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* - * The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); - mta |= (1 << hash_bit); - iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -static s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); - ioread32(hw->hw_addr + REG_MDIO_CTRL); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return ATLX_ERR_PHY; -} - -/* - * Make L001's PHY out of Power Saving State (bug) - * hw - Struct containing variables accessed by shared code - * when power on, L001's PHY always on Power saving State - * (Gigabit Link forbidden) - */ -static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) -{ - s32 ret; - ret = atl1_write_phy_reg(hw, 29, 0x0029); - if (ret) - return ret; - return atl1_write_phy_reg(hw, 30, 0); -} - -/* - * Resets the PHY and make all config validate - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) - */ -static s32 atl1_phy_reset(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - u16 phy_data; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - } - - ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /* pcie serdes link may be down! */ - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "pcie phy link down\n"); - - for (i = 0; i < 25; i++) { - msleep(1); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if ((val & (MDIO_START | MDIO_BUSY)) != 0) { - if (netif_msg_hw(adapter)) - dev_warn(&pdev->dev, - "pcie link down at least 25ms\n"); - return ret_val; - } - } - return 0; -} - -/* - * Configures PHY autoneg and flow control advertisement settings - * hw - Struct containing variables accessed by shared code - */ -static s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) -{ - s32 ret_val; - s16 mii_autoneg_adv_reg; - s16 mii_1000t_ctrl_reg; - - /* Read the MII Auto-Neg Advertisement Register (Address 4). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - - /* Read the MII 1000Base-T Control Register (Address 9). */ - mii_1000t_ctrl_reg = MII_ATLX_CR_1000T_DEFAULT_CAP_MASK; - - /* - * First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T Control Register (Address 9). - */ - mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; - mii_1000t_ctrl_reg &= ~MII_ATLX_CR_1000T_SPEED_MASK; - - /* - * Need to parse media_type and set up - * the appropriate PHY registers. - */ - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | - MII_AR_10T_FD_CAPS | - MII_AR_100TX_HD_CAPS | - MII_AR_100TX_FD_CAPS); - mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; - break; - - case MEDIA_TYPE_1000M_FULL: - mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; - break; - - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; - break; - - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; - break; - - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; - break; - - default: - mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; - - ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - if (ret_val) - return ret_val; - - ret_val = atl1_write_phy_reg(hw, MII_ATLX_CR, mii_1000t_ctrl_reg); - if (ret_val) - return ret_val; - - return 0; -} - -/* - * Configures link settings. - * hw - Struct containing variables accessed by shared code - * Assumes the hardware has previously been reset and the - * transmitter and receiver are not enabled. - */ -static s32 atl1_setup_link(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - - /* - * Options: - * PHY will advertise value(s) parsed from - * autoneg_advertised and fc - * no matter what autoneg is , We will not wait link result. - */ - ret_val = atl1_phy_setup_autoneg_adv(hw); - if (ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&pdev->dev, - "error setting up autonegotiation\n"); - return ret_val; - } - /* SW.Reset , En-Auto-Neg if needed */ - ret_val = atl1_phy_reset(hw); - if (ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&pdev->dev, "error resetting phy\n"); - return ret_val; - } - hw->phy_configured = true; - return ret_val; -} - -static void atl1_init_flash_opcode(struct atl1_hw *hw) -{ - if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) - /* Atmel */ - hw->flash_vendor = 0; - - /* Init OP table */ - iowrite8(flash_table[hw->flash_vendor].cmd_program, - hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); - iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, - hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); - iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, - hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); - iowrite8(flash_table[hw->flash_vendor].cmd_rdid, - hw->hw_addr + REG_SPI_FLASH_OP_RDID); - iowrite8(flash_table[hw->flash_vendor].cmd_wren, - hw->hw_addr + REG_SPI_FLASH_OP_WREN); - iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, - hw->hw_addr + REG_SPI_FLASH_OP_RDSR); - iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, - hw->hw_addr + REG_SPI_FLASH_OP_WRSR); - iowrite8(flash_table[hw->flash_vendor].cmd_read, - hw->hw_addr + REG_SPI_FLASH_OP_READ); -} - -/* - * Performs basic configuration of the adapter. - * hw - Struct containing variables accessed by shared code - * Assumes that the controller has previously been reset and is in a - * post-reset uninitialized state. Initializes multicast table, - * and Calls routines to setup link - * Leaves the transmit and receive units disabled and uninitialized. - */ -static s32 atl1_init_hw(struct atl1_hw *hw) -{ - u32 ret_val = 0; - - /* Zero out the Multicast HASH table */ - iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); - /* clear the old settings from the multicast hash table */ - iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); - - atl1_init_flash_opcode(hw); - - if (!hw->phy_configured) { - /* enable GPHY LinkChange Interrrupt */ - ret_val = atl1_write_phy_reg(hw, 18, 0xC00); - if (ret_val) - return ret_val; - /* make PHY out of power-saving state */ - ret_val = atl1_phy_leave_power_saving(hw); - if (ret_val) - return ret_val; - /* Call a subroutine to configure the link */ - ret_val = atl1_setup_link(hw); - } - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -static s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - u16 phy_data; - - /* ; --- Read PHY Specific Status Register (17) */ - ret_val = atl1_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); - if (ret_val) - return ret_val; - - if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) - return ATLX_ERR_PHY_RES; - - switch (phy_data & MII_ATLX_PSSR_SPEED) { - case MII_ATLX_PSSR_1000MBS: - *speed = SPEED_1000; - break; - case MII_ATLX_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_ATLX_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "error getting speed\n"); - return ATLX_ERR_PHY_SPEED; - break; - } - if (phy_data & MII_ATLX_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -static void atl1_set_mac_addr(struct atl1_hw *hw) -{ - u32 value; - /* - * 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword - */ - value = (((u32) hw->mac_addr[2]) << 24) | - (((u32) hw->mac_addr[3]) << 16) | - (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); - iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); - /* high dword */ - value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); - iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); -} - -/* - * atl1_sw_init - Initialize general software structures (struct atl1_adapter) - * @adapter: board private structure to initialize - * - * atl1_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl1_sw_init(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; - - adapter->wol = 0; - device_set_wakeup_enable(&adapter->pdev->dev, false); - adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7; - adapter->ict = 50000; /* 100ms */ - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->ipgt = 0x60; - hw->min_ifg = 0x50; - hw->ipgr1 = 0x40; - hw->ipgr2 = 0x60; - hw->max_retry = 0xf; - hw->lcol = 0x37; - hw->jam_ipg = 7; - hw->rfd_burst = 8; - hw->rrd_burst = 8; - hw->rfd_fetch_gap = 1; - hw->rx_jumbo_th = adapter->rx_buffer_len / 8; - hw->rx_jumbo_lkah = 1; - hw->rrd_ret_timer = 16; - hw->tpd_burst = 4; - hw->tpd_fetch_th = 16; - hw->txf_burst = 0x100; - hw->tx_jumbo_task_th = (hw->max_frame_size + 7) >> 3; - hw->tpd_fetch_gap = 1; - hw->rcb_value = atl1_rcb_64; - hw->dma_ord = atl1_dma_ord_enh; - hw->dmar_block = atl1_dma_req_256; - hw->dmaw_block = atl1_dma_req_256; - hw->cmb_rrd = 4; - hw->cmb_tpd = 4; - hw->cmb_rx_timer = 1; /* about 2us */ - hw->cmb_tx_timer = 1; /* about 2us */ - hw->smb_timer = 100000; /* about 200ms */ - - spin_lock_init(&adapter->lock); - spin_lock_init(&adapter->mb_lock); - - return 0; -} - -static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1_read_phy_reg(&adapter->hw, reg_num & 0x1f, &result); - - return result; -} - -static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, - int val) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - atl1_write_phy_reg(&adapter->hw, reg_num, val); -} - -/* - * atl1_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - int retval; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->lock, flags); - retval = generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); - spin_unlock_irqrestore(&adapter->lock, flags); - - return retval; -} - -/* - * atl1_setup_mem_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_ring_header *ring_header = &adapter->ring_header; - struct pci_dev *pdev = adapter->pdev; - int size; - u8 offset = 0; - - size = sizeof(struct atl1_buffer) * (tpd_ring->count + rfd_ring->count); - tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); - if (unlikely(!tpd_ring->buffer_info)) { - if (netif_msg_drv(adapter)) - dev_err(&pdev->dev, "kzalloc failed , size = D%d\n", - size); - goto err_nomem; - } - rfd_ring->buffer_info = - (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); - - /* - * real ring DMA buffer - * each ring/block may need up to 8 bytes for alignment, hence the - * additional 40 bytes tacked onto the end. - */ - ring_header->size = size = - sizeof(struct tx_packet_desc) * tpd_ring->count - + sizeof(struct rx_free_desc) * rfd_ring->count - + sizeof(struct rx_return_desc) * rrd_ring->count - + sizeof(struct coals_msg_block) - + sizeof(struct stats_msg_block) - + 40; - - ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); - if (unlikely(!ring_header->desc)) { - if (netif_msg_drv(adapter)) - dev_err(&pdev->dev, "pci_alloc_consistent failed\n"); - goto err_nomem; - } - - memset(ring_header->desc, 0, ring_header->size); - - /* init TPD ring */ - tpd_ring->dma = ring_header->dma; - offset = (tpd_ring->dma & 0x7) ? (8 - (ring_header->dma & 0x7)) : 0; - tpd_ring->dma += offset; - tpd_ring->desc = (u8 *) ring_header->desc + offset; - tpd_ring->size = sizeof(struct tx_packet_desc) * tpd_ring->count; - - /* init RFD ring */ - rfd_ring->dma = tpd_ring->dma + tpd_ring->size; - offset = (rfd_ring->dma & 0x7) ? (8 - (rfd_ring->dma & 0x7)) : 0; - rfd_ring->dma += offset; - rfd_ring->desc = (u8 *) tpd_ring->desc + (tpd_ring->size + offset); - rfd_ring->size = sizeof(struct rx_free_desc) * rfd_ring->count; - - - /* init RRD ring */ - rrd_ring->dma = rfd_ring->dma + rfd_ring->size; - offset = (rrd_ring->dma & 0x7) ? (8 - (rrd_ring->dma & 0x7)) : 0; - rrd_ring->dma += offset; - rrd_ring->desc = (u8 *) rfd_ring->desc + (rfd_ring->size + offset); - rrd_ring->size = sizeof(struct rx_return_desc) * rrd_ring->count; - - - /* init CMB */ - adapter->cmb.dma = rrd_ring->dma + rrd_ring->size; - offset = (adapter->cmb.dma & 0x7) ? (8 - (adapter->cmb.dma & 0x7)) : 0; - adapter->cmb.dma += offset; - adapter->cmb.cmb = (struct coals_msg_block *) - ((u8 *) rrd_ring->desc + (rrd_ring->size + offset)); - - /* init SMB */ - adapter->smb.dma = adapter->cmb.dma + sizeof(struct coals_msg_block); - offset = (adapter->smb.dma & 0x7) ? (8 - (adapter->smb.dma & 0x7)) : 0; - adapter->smb.dma += offset; - adapter->smb.smb = (struct stats_msg_block *) - ((u8 *) adapter->cmb.cmb + - (sizeof(struct coals_msg_block) + offset)); - - return 0; - -err_nomem: - kfree(tpd_ring->buffer_info); - return -ENOMEM; -} - -static void atl1_init_ring_ptrs(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); - - rfd_ring->next_to_clean = 0; - atomic_set(&rfd_ring->next_to_use, 0); - - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); -} - -/* - * atl1_clean_rx_ring - Free RFD Buffers - * @adapter: board private structure - */ -static void atl1_clean_rx_ring(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; - - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rfd_ring->count; i++) { - buffer_info = &rfd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - buffer_info->dma = 0; - } - if (buffer_info->skb) { - dev_kfree_skb(buffer_info->skb); - buffer_info->skb = NULL; - } - } - - size = sizeof(struct atl1_buffer) * rfd_ring->count; - memset(rfd_ring->buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(rfd_ring->desc, 0, rfd_ring->size); - - rfd_ring->next_to_clean = 0; - atomic_set(&rfd_ring->next_to_use, 0); - - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); -} - -/* - * atl1_clean_tx_ring - Free Tx Buffers - * @adapter: board private structure - */ -static void atl1_clean_tx_ring(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; - - /* Free all the Tx ring sk_buffs */ - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - } - - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->skb) { - dev_kfree_skb_any(buffer_info->skb); - buffer_info->skb = NULL; - } - } - - size = sizeof(struct atl1_buffer) * tpd_ring->count; - memset(tpd_ring->buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(tpd_ring->desc, 0, tpd_ring->size); - - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); -} - -/* - * atl1_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl1_free_ring_resources(struct atl1_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_ring_header *ring_header = &adapter->ring_header; - - atl1_clean_tx_ring(adapter); - atl1_clean_rx_ring(adapter); - - kfree(tpd_ring->buffer_info); - pci_free_consistent(pdev, ring_header->size, ring_header->desc, - ring_header->dma); - - tpd_ring->buffer_info = NULL; - tpd_ring->desc = NULL; - tpd_ring->dma = 0; - - rfd_ring->buffer_info = NULL; - rfd_ring->desc = NULL; - rfd_ring->dma = 0; - - rrd_ring->desc = NULL; - rrd_ring->dma = 0; - - adapter->cmb.dma = 0; - adapter->cmb.cmb = NULL; - - adapter->smb.dma = 0; - adapter->smb.smb = NULL; -} - -static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter) -{ - u32 value; - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; - /* duplex */ - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - /* speed */ - value |= ((u32) ((SPEED_1000 == adapter->link_speed) ? - MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << - MAC_CTRL_SPEED_SHIFT); - /* flow control */ - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - /* PAD & CRC */ - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - /* preamble length */ - value |= (((u32) adapter->hw.preamble_len - & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - /* vlan */ - __atlx_vlan_mode(netdev->features, &value); - /* rx checksum - if (adapter->rx_csum) - value |= MAC_CTRL_RX_CHKSUM_EN; - */ - /* filter mode */ - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - /* value |= MAC_CTRL_LOOPBACK; */ - iowrite32(value, hw->hw_addr + REG_MAC_CTRL); -} - -static u32 atl1_check_link(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - u32 ret_val; - u16 speed, duplex, phy_data; - int reconfig = 0; - - /* MII_BMSR must read twice */ - atl1_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1_read_phy_reg(hw, MII_BMSR, &phy_data); - if (!(phy_data & BMSR_LSTATUS)) { - /* link down */ - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - if (netif_msg_link(adapter)) - dev_info(&adapter->pdev->dev, "link is down\n"); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - } - return 0; - } - - /* Link Up */ - ret_val = atl1_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) - return ret_val; - - switch (hw->media_type) { - case MEDIA_TYPE_1000M_FULL: - if (speed != SPEED_1000 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_FULL: - if (speed != SPEED_100 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_HALF: - if (speed != SPEED_100 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_FULL: - if (speed != SPEED_10 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_HALF: - if (speed != SPEED_10 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - } - - /* link result is our setting */ - if (!reconfig) { - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl1_setup_mac_ctrl(adapter); - if (netif_msg_link(adapter)) - dev_info(&adapter->pdev->dev, - "%s link is up %d Mbps %s\n", - netdev->name, adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "full duplex" : "half duplex"); - } - if (!netif_carrier_ok(netdev)) { - /* Link down -> Up */ - netif_carrier_on(netdev); - } - return 0; - } - - /* change original link status */ - if (netif_carrier_ok(netdev)) { - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - - if (hw->media_type != MEDIA_TYPE_AUTO_SENSOR && - hw->media_type != MEDIA_TYPE_1000M_FULL) { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); - return 0; - } - - /* auto-neg, insert timer to re-config phy */ - if (!adapter->phy_timer_pending) { - adapter->phy_timer_pending = true; - mod_timer(&adapter->phy_config_timer, - round_jiffies(jiffies + 3 * HZ)); - } - - return 0; -} - -static void set_flow_ctrl_old(struct atl1_adapter *adapter) -{ - u32 hi, lo, value; - - /* RFD Flow Control */ - value = adapter->rfd_ring.count; - hi = value / 16; - if (hi < 2) - hi = 2; - lo = value * 7 / 8; - - value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RXF_PAUSE_THRESH); - - /* RRD Flow Control */ - value = adapter->rrd_ring.count; - lo = value / 16; - hi = value * 7 / 8; - if (lo < 2) - lo = 2; - value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RRD_PAUSE_THRESH); -} - -static void set_flow_ctrl_new(struct atl1_hw *hw) -{ - u32 hi, lo, value; - - /* RXF Flow Control */ - value = ioread32(hw->hw_addr + REG_SRAM_RXF_LEN); - lo = value / 16; - if (lo < 192) - lo = 192; - hi = value * 7 / 8; - if (hi < lo) - hi = lo + 16; - value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_RXF_PAUSE_THRESH); - - /* RRD Flow Control */ - value = ioread32(hw->hw_addr + REG_SRAM_RRD_LEN); - lo = value / 8; - hi = value * 7 / 8; - if (lo < 2) - lo = 2; - if (hi < lo) - hi = lo + 3; - value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); -} - -/* - * atl1_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static u32 atl1_configure(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - u32 value; - - /* clear interrupt status */ - iowrite32(0xffffffff, adapter->hw.hw_addr + REG_ISR); - - /* set MAC Address */ - value = (((u32) hw->mac_addr[2]) << 24) | - (((u32) hw->mac_addr[3]) << 16) | - (((u32) hw->mac_addr[4]) << 8) | - (((u32) hw->mac_addr[5])); - iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); - value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); - iowrite32(value, hw->hw_addr + (REG_MAC_STA_ADDR + 4)); - - /* tx / rx ring */ - - /* HI base address */ - iowrite32((u32) ((adapter->tpd_ring.dma & 0xffffffff00000000ULL) >> 32), - hw->hw_addr + REG_DESC_BASE_ADDR_HI); - /* LO base address */ - iowrite32((u32) (adapter->rfd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_RFD_ADDR_LO); - iowrite32((u32) (adapter->rrd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_RRD_ADDR_LO); - iowrite32((u32) (adapter->tpd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_TPD_ADDR_LO); - iowrite32((u32) (adapter->cmb.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_CMB_ADDR_LO); - iowrite32((u32) (adapter->smb.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_SMB_ADDR_LO); - - /* element count */ - value = adapter->rrd_ring.count; - value <<= 16; - value += adapter->rfd_ring.count; - iowrite32(value, hw->hw_addr + REG_DESC_RFD_RRD_RING_SIZE); - iowrite32(adapter->tpd_ring.count, hw->hw_addr + - REG_DESC_TPD_RING_SIZE); - - /* Load Ptr */ - iowrite32(1, hw->hw_addr + REG_LOAD_PTR); - - /* config Mailbox */ - value = ((atomic_read(&adapter->tpd_ring.next_to_use) - & MB_TPD_PROD_INDX_MASK) << MB_TPD_PROD_INDX_SHIFT) | - ((atomic_read(&adapter->rrd_ring.next_to_clean) - & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | - ((atomic_read(&adapter->rfd_ring.next_to_use) - & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAILBOX); - - /* config IPG/IFG */ - value = (((u32) hw->ipgt & MAC_IPG_IFG_IPGT_MASK) - << MAC_IPG_IFG_IPGT_SHIFT) | - (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) - << MAC_IPG_IFG_MIFG_SHIFT) | - (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) - << MAC_IPG_IFG_IPGR1_SHIFT) | - (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) - << MAC_IPG_IFG_IPGR2_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAC_IPG_IFG); - - /* config Half-Duplex Control */ - value = ((u32) hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) - << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) - << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAC_HALF_DUPLX_CTRL); - - /* set Interrupt Moderator Timer */ - iowrite16(adapter->imt, hw->hw_addr + REG_IRQ_MODU_TIMER_INIT); - iowrite32(MASTER_CTRL_ITIMER_EN, hw->hw_addr + REG_MASTER_CTRL); - - /* set Interrupt Clear Timer */ - iowrite16(adapter->ict, hw->hw_addr + REG_CMBDISDMA_TIMER); - - /* set max frame size hw will accept */ - iowrite32(hw->max_frame_size, hw->hw_addr + REG_MTU); - - /* jumbo size & rrd retirement timer */ - value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) - << RXQ_JMBOSZ_TH_SHIFT) | - (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) - << RXQ_JMBO_LKAH_SHIFT) | - (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) - << RXQ_RRD_TIMER_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_JMBOSZ_RRDTIM); - - /* Flow Control */ - switch (hw->dev_rev) { - case 0x8001: - case 0x9001: - case 0x9002: - case 0x9003: - set_flow_ctrl_old(adapter); - break; - default: - set_flow_ctrl_new(hw); - break; - } - - /* config TXQ */ - value = (((u32) hw->tpd_burst & TXQ_CTRL_TPD_BURST_NUM_MASK) - << TXQ_CTRL_TPD_BURST_NUM_SHIFT) | - (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) - << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | - (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) - << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | - TXQ_CTRL_EN; - iowrite32(value, hw->hw_addr + REG_TXQ_CTRL); - - /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */ - value = (((u32) hw->tx_jumbo_task_th & TX_JUMBO_TASK_TH_MASK) - << TX_JUMBO_TASK_TH_SHIFT) | - (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) - << TX_TPD_MIN_IPG_SHIFT); - iowrite32(value, hw->hw_addr + REG_TX_JUMBO_TASK_TH_TPD_IPG); - - /* config RXQ */ - value = (((u32) hw->rfd_burst & RXQ_CTRL_RFD_BURST_NUM_MASK) - << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | - (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) - << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | - (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) - << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | RXQ_CTRL_CUT_THRU_EN | - RXQ_CTRL_EN; - iowrite32(value, hw->hw_addr + REG_RXQ_CTRL); - - /* config DMA Engine */ - value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - ((((u32) hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) - << DMA_CTRL_DMAW_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN | - DMA_CTRL_DMAW_EN; - value |= (u32) hw->dma_ord; - if (atl1_rcb_128 == hw->rcb_value) - value |= DMA_CTRL_RCB_VALUE; - iowrite32(value, hw->hw_addr + REG_DMA_CTRL); - - /* config CMB / SMB */ - value = (hw->cmb_tpd > adapter->tpd_ring.count) ? - hw->cmb_tpd : adapter->tpd_ring.count; - value <<= 16; - value |= hw->cmb_rrd; - iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TH); - value = hw->cmb_rx_timer | ((u32) hw->cmb_tx_timer << 16); - iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TIMER); - iowrite32(hw->smb_timer, hw->hw_addr + REG_SMB_TIMER); - - /* --- enable CMB / SMB */ - value = CSMB_CTRL_CMB_EN | CSMB_CTRL_SMB_EN; - iowrite32(value, hw->hw_addr + REG_CSMB_CTRL); - - value = ioread32(adapter->hw.hw_addr + REG_ISR); - if (unlikely((value & ISR_PHY_LINKDOWN) != 0)) - value = 1; /* config failed */ - else - value = 0; - - /* clear all interrupt status */ - iowrite32(0x3fffffff, adapter->hw.hw_addr + REG_ISR); - iowrite32(0, adapter->hw.hw_addr + REG_ISR); - return value; -} - -/* - * atl1_pcie_patch - Patch for PCIE module - */ -static void atl1_pcie_patch(struct atl1_adapter *adapter) -{ - u32 value; - - /* much vendor magic here */ - value = 0x6500; - iowrite32(value, adapter->hw.hw_addr + 0x12FC); - /* pcie flow control mode change */ - value = ioread32(adapter->hw.hw_addr + 0x1008); - value |= 0x8000; - iowrite32(value, adapter->hw.hw_addr + 0x1008); -} - -/* - * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400 - * on PCI Command register is disable. - * The function enable this bit. - * Brackett, 2006/03/15 - */ -static void atl1_via_workaround(struct atl1_adapter *adapter) -{ - unsigned long value; - - value = ioread16(adapter->hw.hw_addr + PCI_COMMAND); - if (value & PCI_COMMAND_INTX_DISABLE) - value &= ~PCI_COMMAND_INTX_DISABLE; - iowrite32(value, adapter->hw.hw_addr + PCI_COMMAND); -} - -static void atl1_inc_smb(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct stats_msg_block *smb = adapter->smb.smb; - - /* Fill out the OS statistics structure */ - adapter->soft_stats.rx_packets += smb->rx_ok; - adapter->soft_stats.tx_packets += smb->tx_ok; - adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; - adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; - adapter->soft_stats.multicast += smb->rx_mcast; - adapter->soft_stats.collisions += (smb->tx_1_col + smb->tx_2_col * 2 + - smb->tx_late_col + smb->tx_abort_col * adapter->hw.max_retry); - - /* Rx Errors */ - adapter->soft_stats.rx_errors += (smb->rx_frag + smb->rx_fcs_err + - smb->rx_len_err + smb->rx_sz_ov + smb->rx_rxf_ov + - smb->rx_rrd_ov + smb->rx_align_err); - adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; - adapter->soft_stats.rx_length_errors += smb->rx_len_err; - adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; - adapter->soft_stats.rx_frame_errors += smb->rx_align_err; - adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + - smb->rx_rxf_ov); - - adapter->soft_stats.rx_pause += smb->rx_pause; - adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; - adapter->soft_stats.rx_trunc += smb->rx_sz_ov; - - /* Tx Errors */ - adapter->soft_stats.tx_errors += (smb->tx_late_col + - smb->tx_abort_col + smb->tx_underrun + smb->tx_trunc); - adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; - adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; - adapter->soft_stats.tx_window_errors += smb->tx_late_col; - - adapter->soft_stats.excecol += smb->tx_abort_col; - adapter->soft_stats.deffer += smb->tx_defer; - adapter->soft_stats.scc += smb->tx_1_col; - adapter->soft_stats.mcc += smb->tx_2_col; - adapter->soft_stats.latecol += smb->tx_late_col; - adapter->soft_stats.tx_underun += smb->tx_underrun; - adapter->soft_stats.tx_trunc += smb->tx_trunc; - adapter->soft_stats.tx_pause += smb->tx_pause; - - netdev->stats.rx_packets = adapter->soft_stats.rx_packets; - netdev->stats.tx_packets = adapter->soft_stats.tx_packets; - netdev->stats.rx_bytes = adapter->soft_stats.rx_bytes; - netdev->stats.tx_bytes = adapter->soft_stats.tx_bytes; - netdev->stats.multicast = adapter->soft_stats.multicast; - netdev->stats.collisions = adapter->soft_stats.collisions; - netdev->stats.rx_errors = adapter->soft_stats.rx_errors; - netdev->stats.rx_over_errors = - adapter->soft_stats.rx_missed_errors; - netdev->stats.rx_length_errors = - adapter->soft_stats.rx_length_errors; - netdev->stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; - netdev->stats.rx_frame_errors = - adapter->soft_stats.rx_frame_errors; - netdev->stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; - netdev->stats.rx_missed_errors = - adapter->soft_stats.rx_missed_errors; - netdev->stats.tx_errors = adapter->soft_stats.tx_errors; - netdev->stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; - netdev->stats.tx_aborted_errors = - adapter->soft_stats.tx_aborted_errors; - netdev->stats.tx_window_errors = - adapter->soft_stats.tx_window_errors; - netdev->stats.tx_carrier_errors = - adapter->soft_stats.tx_carrier_errors; -} - -static void atl1_update_mailbox(struct atl1_adapter *adapter) -{ - unsigned long flags; - u32 tpd_next_to_use; - u32 rfd_next_to_use; - u32 rrd_next_to_clean; - u32 value; - - spin_lock_irqsave(&adapter->mb_lock, flags); - - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = atomic_read(&adapter->rrd_ring.next_to_clean); - - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - - spin_unlock_irqrestore(&adapter->mb_lock, flags); -} - -static void atl1_clean_alloc_flag(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, u16 offset) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - - while (rfd_ring->next_to_clean != (rrd->buf_indx + offset)) { - rfd_ring->buffer_info[rfd_ring->next_to_clean].alloced = 0; - if (++rfd_ring->next_to_clean == rfd_ring->count) { - rfd_ring->next_to_clean = 0; - } - } -} - -static void atl1_update_rfd_index(struct atl1_adapter *adapter, - struct rx_return_desc *rrd) -{ - u16 num_buf; - - num_buf = (rrd->xsz.xsum_sz.pkt_size + adapter->rx_buffer_len - 1) / - adapter->rx_buffer_len; - if (rrd->num_buf == num_buf) - /* clean alloc flag for bad rrd */ - atl1_clean_alloc_flag(adapter, rrd, num_buf); -} - -static void atl1_rx_checksum(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, struct sk_buff *skb) -{ - struct pci_dev *pdev = adapter->pdev; - - /* - * The L1 hardware contains a bug that erroneously sets the - * PACKET_FLAG_ERR and ERR_FLAG_L4_CHKSUM bits whenever a - * fragmented IP packet is received, even though the packet - * is perfectly valid and its checksum is correct. There's - * no way to distinguish between one of these good packets - * and a packet that actually contains a TCP/UDP checksum - * error, so all we can do is allow it to be handed up to - * the higher layers and let it be sorted out there. - */ - - skb_checksum_none_assert(skb); - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | - ERR_FLAG_CODE | ERR_FLAG_OV)) { - adapter->hw_csum_err++; - if (netif_msg_rx_err(adapter)) - dev_printk(KERN_DEBUG, &pdev->dev, - "rx checksum error\n"); - return; - } - } - - /* not IPv4 */ - if (!(rrd->pkt_flg & PACKET_FLAG_IPV4)) - /* checksum is invalid, but it's not an IPv4 pkt, so ok */ - return; - - /* IPv4 packet */ - if (likely(!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM)))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - adapter->hw_csum_good++; - return; - } -} - -/* - * atl1_alloc_rx_buffers - Replace used receive buffers - * @adapter: address of board private structure - */ -static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct pci_dev *pdev = adapter->pdev; - struct page *page; - unsigned long offset; - struct atl1_buffer *buffer_info, *next_info; - struct sk_buff *skb; - u16 num_alloc = 0; - u16 rfd_next_to_use, next_next; - struct rx_free_desc *rfd_desc; - - next_next = rfd_next_to_use = atomic_read(&rfd_ring->next_to_use); - if (++next_next == rfd_ring->count) - next_next = 0; - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - - while (!buffer_info->alloced && !next_info->alloced) { - if (buffer_info->skb) { - buffer_info->alloced = 1; - goto next; - } - - rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use); - - skb = netdev_alloc_skb_ip_align(adapter->netdev, - adapter->rx_buffer_len); - if (unlikely(!skb)) { - /* Better luck next round */ - adapter->netdev->stats.rx_dropped++; - break; - } - - buffer_info->alloced = 1; - buffer_info->skb = skb; - buffer_info->length = (u16) adapter->rx_buffer_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(pdev, page, offset, - adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); - rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); - rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len); - rfd_desc->coalese = 0; - -next: - rfd_next_to_use = next_next; - if (unlikely(++next_next == rfd_ring->count)) - next_next = 0; - - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - num_alloc++; - } - - if (num_alloc) { - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - atomic_set(&rfd_ring->next_to_use, (int)rfd_next_to_use); - } - return num_alloc; -} - -static void atl1_intr_rx(struct atl1_adapter *adapter) -{ - int i, count; - u16 length; - u16 rrd_next_to_clean; - u32 value; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_buffer *buffer_info; - struct rx_return_desc *rrd; - struct sk_buff *skb; - - count = 0; - - rrd_next_to_clean = atomic_read(&rrd_ring->next_to_clean); - - while (1) { - rrd = ATL1_RRD_DESC(rrd_ring, rrd_next_to_clean); - i = 1; - if (likely(rrd->xsz.valid)) { /* packet valid */ -chk_rrd: - /* check rrd status */ - if (likely(rrd->num_buf == 1)) - goto rrd_ok; - else if (netif_msg_rx_err(adapter)) { - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "unexpected RRD buffer count\n"); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "rx_buf_len = %d\n", - adapter->rx_buffer_len); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD num_buf = %d\n", - rrd->num_buf); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD pkt_len = %d\n", - rrd->xsz.xsum_sz.pkt_size); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD pkt_flg = 0x%08X\n", - rrd->pkt_flg); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD err_flg = 0x%08X\n", - rrd->err_flg); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD vlan_tag = 0x%08X\n", - rrd->vlan_tag); - } - - /* rrd seems to be bad */ - if (unlikely(i-- > 0)) { - /* rrd may not be DMAed completely */ - udelay(1); - goto chk_rrd; - } - /* bad rrd */ - if (netif_msg_rx_err(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "bad RRD\n"); - /* see if update RFD index */ - if (rrd->num_buf > 1) - atl1_update_rfd_index(adapter, rrd); - - /* update rrd */ - rrd->xsz.valid = 0; - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - continue; - } else { /* current rrd still not be updated */ - - break; - } -rrd_ok: - /* clean alloc flag for bad rrd */ - atl1_clean_alloc_flag(adapter, rrd, 0); - - buffer_info = &rfd_ring->buffer_info[rrd->buf_indx]; - if (++rfd_ring->next_to_clean == rfd_ring->count) - rfd_ring->next_to_clean = 0; - - /* update rrd next to clean */ - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM - | ERR_FLAG_LEN))) { - /* packet error, don't need upstream */ - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - continue; - } - } - - /* Good Receive */ - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - buffer_info->dma = 0; - skb = buffer_info->skb; - length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); - - skb_put(skb, length - ETH_FCS_LEN); - - /* Receive Checksum Offload */ - atl1_rx_checksum(adapter, rrd, skb); - skb->protocol = eth_type_trans(skb, adapter->netdev); - - if (rrd->pkt_flg & PACKET_FLAG_VLAN_INS) { - u16 vlan_tag = (rrd->vlan_tag >> 4) | - ((rrd->vlan_tag & 7) << 13) | - ((rrd->vlan_tag & 8) << 9); - - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_rx(skb); - - /* let protocol layer free skb */ - buffer_info->skb = NULL; - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - } - - atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean); - - atl1_alloc_rx_buffers(adapter); - - /* update mailbox ? */ - if (count) { - u32 tpd_next_to_use; - u32 rfd_next_to_use; - - spin_lock(&adapter->mb_lock); - - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = - atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = - atomic_read(&adapter->rrd_ring.next_to_clean); - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - spin_unlock(&adapter->mb_lock); - } -} - -static void atl1_intr_tx(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - u16 sw_tpd_next_to_clean; - u16 cmb_tpd_next_to_clean; - - sw_tpd_next_to_clean = atomic_read(&tpd_ring->next_to_clean); - cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx); - - while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) { - buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean]; - if (buffer_info->dma) { - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - - if (buffer_info->skb) { - dev_kfree_skb_irq(buffer_info->skb); - buffer_info->skb = NULL; - } - - if (++sw_tpd_next_to_clean == tpd_ring->count) - sw_tpd_next_to_clean = 0; - } - atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean); - - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) - netif_wake_queue(adapter->netdev); -} - -static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring) -{ - u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); - u16 next_to_use = atomic_read(&tpd_ring->next_to_use); - return (next_to_clean > next_to_use) ? - next_to_clean - next_to_use - 1 : - tpd_ring->count + next_to_clean - next_to_use - 1; -} - -static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - u8 hdr_len, ip_off; - u32 real_len; - int err; - - if (skb_shinfo(skb)->gso_size) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (unlikely(err)) - return -1; - } - - if (skb->protocol == htons(ETH_P_IP)) { - struct iphdr *iph = ip_hdr(skb); - - real_len = (((unsigned char *)iph - skb->data) + - ntohs(iph->tot_len)); - if (real_len < skb->len) - pskb_trim(skb, real_len); - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (skb->len == hdr_len) { - iph->check = 0; - tcp_hdr(skb)->check = - ~csum_tcpudp_magic(iph->saddr, - iph->daddr, tcp_hdrlen(skb), - IPPROTO_TCP, 0); - ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << - TPD_IPHL_SHIFT; - ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << - TPD_TCPHDRLEN_SHIFT; - ptpd->word3 |= 1 << TPD_IP_CSUM_SHIFT; - ptpd->word3 |= 1 << TPD_TCP_CSUM_SHIFT; - return 1; - } - - iph->check = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, IPPROTO_TCP, 0); - ip_off = (unsigned char *)iph - - (unsigned char *) skb_network_header(skb); - if (ip_off == 8) /* 802.3-SNAP frame */ - ptpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; - else if (ip_off != 0) - return -2; - - ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << - TPD_IPHL_SHIFT; - ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << TPD_TCPHDRLEN_SHIFT; - ptpd->word3 |= (skb_shinfo(skb)->gso_size & - TPD_MSS_MASK) << TPD_MSS_SHIFT; - ptpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; - return 3; - } - } - return false; -} - -static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - u8 css, cso; - - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - css = skb_checksum_start_offset(skb); - cso = css + (u8) skb->csum_offset; - if (unlikely(css & 0x1)) { - /* L1 hardware requires an even number here */ - if (netif_msg_tx_err(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "payload offset not an even number\n"); - return -1; - } - ptpd->word3 |= (css & TPD_PLOADOFFSET_MASK) << - TPD_PLOADOFFSET_SHIFT; - ptpd->word3 |= (cso & TPD_CCSUMOFFSET_MASK) << - TPD_CCSUMOFFSET_SHIFT; - ptpd->word3 |= 1 << TPD_CUST_CSUM_EN_SHIFT; - return true; - } - return 0; -} - -static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - u16 buf_len = skb->len; - struct page *page; - unsigned long offset; - unsigned int nr_frags; - unsigned int f; - int retval; - u16 next_to_use; - u16 data_len; - u8 hdr_len; - - buf_len -= skb->data_len; - nr_frags = skb_shinfo(skb)->nr_frags; - next_to_use = atomic_read(&tpd_ring->next_to_use); - buffer_info = &tpd_ring->buffer_info[next_to_use]; - BUG_ON(buffer_info->skb); - /* put skb in last TPD */ - buffer_info->skb = NULL; - - retval = (ptpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; - if (retval) { - /* TSO */ - hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - buffer_info->length = hdr_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, hdr_len, - PCI_DMA_TODEVICE); - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - - if (buf_len > hdr_len) { - int i, nseg; - - data_len = buf_len - hdr_len; - nseg = (data_len + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - for (i = 0; i < nseg; i++) { - buffer_info = - &tpd_ring->buffer_info[next_to_use]; - buffer_info->skb = NULL; - buffer_info->length = - (ATL1_MAX_TX_BUF_LEN >= - data_len) ? ATL1_MAX_TX_BUF_LEN : data_len; - data_len -= buffer_info->length; - page = virt_to_page(skb->data + - (hdr_len + i * ATL1_MAX_TX_BUF_LEN)); - offset = (unsigned long)(skb->data + - (hdr_len + i * ATL1_MAX_TX_BUF_LEN)) & - ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, - page, offset, buffer_info->length, - PCI_DMA_TODEVICE); - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - } - } else { - /* not TSO */ - buffer_info->length = buf_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, buf_len, PCI_DMA_TODEVICE); - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - u16 i, nseg; - - frag = &skb_shinfo(skb)->frags[f]; - buf_len = frag->size; - - nseg = (buf_len + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - for (i = 0; i < nseg; i++) { - buffer_info = &tpd_ring->buffer_info[next_to_use]; - BUG_ON(buffer_info->skb); - - buffer_info->skb = NULL; - buffer_info->length = (buf_len > ATL1_MAX_TX_BUF_LEN) ? - ATL1_MAX_TX_BUF_LEN : buf_len; - buf_len -= buffer_info->length; - buffer_info->dma = pci_map_page(adapter->pdev, - frag->page, - frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN), - buffer_info->length, PCI_DMA_TODEVICE); - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - } - - /* last tpd's buffer-info */ - buffer_info->skb = skb; -} - -static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count, - struct tx_packet_desc *ptpd) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - struct tx_packet_desc *tpd; - u16 j; - u32 val; - u16 next_to_use = (u16) atomic_read(&tpd_ring->next_to_use); - - for (j = 0; j < count; j++) { - buffer_info = &tpd_ring->buffer_info[next_to_use]; - tpd = ATL1_TPD_DESC(&adapter->tpd_ring, next_to_use); - if (tpd != ptpd) - memcpy(tpd, ptpd, sizeof(struct tx_packet_desc)); - tpd->buffer_addr = cpu_to_le64(buffer_info->dma); - tpd->word2 &= ~(TPD_BUFLEN_MASK << TPD_BUFLEN_SHIFT); - tpd->word2 |= (cpu_to_le16(buffer_info->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT; - - /* - * if this is the first packet in a TSO chain, set - * TPD_HDRFLAG, otherwise, clear it. - */ - val = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & - TPD_SEGMENT_EN_MASK; - if (val) { - if (!j) - tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; - else - tpd->word3 &= ~(1 << TPD_HDRFLAG_SHIFT); - } - - if (j == (count - 1)) - tpd->word3 |= 1 << TPD_EOP_SHIFT; - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - - atomic_set(&tpd_ring->next_to_use, next_to_use); -} - -static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - int len; - int tso; - int count = 1; - int ret_val; - struct tx_packet_desc *ptpd; - u16 frag_size; - u16 vlan_tag; - unsigned int nr_frags = 0; - unsigned int mss = 0; - unsigned int f; - unsigned int proto_hdr_len; - - len = skb_headlen(skb); - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - nr_frags = skb_shinfo(skb)->nr_frags; - for (f = 0; f < nr_frags; f++) { - frag_size = skb_shinfo(skb)->frags[f].size; - if (frag_size) - count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - } - - mss = skb_shinfo(skb)->gso_size; - if (mss) { - if (skb->protocol == htons(ETH_P_IP)) { - proto_hdr_len = (skb_transport_offset(skb) + - tcp_hdrlen(skb)); - if (unlikely(proto_hdr_len > len)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - /* need additional TPD ? */ - if (proto_hdr_len != len) - count += (len - proto_hdr_len + - ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - } - } - - if (atl1_tpd_avail(&adapter->tpd_ring) < count) { - /* not enough descriptors */ - netif_stop_queue(netdev); - if (netif_msg_tx_queued(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "tx busy\n"); - return NETDEV_TX_BUSY; - } - - ptpd = ATL1_TPD_DESC(tpd_ring, - (u16) atomic_read(&tpd_ring->next_to_use)); - memset(ptpd, 0, sizeof(struct tx_packet_desc)); - - if (vlan_tx_tag_present(skb)) { - vlan_tag = vlan_tx_tag_get(skb); - vlan_tag = (vlan_tag << 4) | (vlan_tag >> 13) | - ((vlan_tag >> 9) & 0x8); - ptpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; - ptpd->word2 |= (vlan_tag & TPD_VLANTAG_MASK) << - TPD_VLANTAG_SHIFT; - } - - tso = atl1_tso(adapter, skb, ptpd); - if (tso < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (!tso) { - ret_val = atl1_tx_csum(adapter, skb, ptpd); - if (ret_val < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - } - - atl1_tx_map(adapter, skb, ptpd); - atl1_tx_queue(adapter, count, ptpd); - atl1_update_mailbox(adapter); - mmiowb(); - return NETDEV_TX_OK; -} - -/* - * atl1_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1_intr(int irq, void *data) -{ - struct atl1_adapter *adapter = netdev_priv(data); - u32 status; - int max_ints = 10; - - status = adapter->cmb.cmb->int_stats; - if (!status) - return IRQ_NONE; - - do { - /* clear CMB interrupt status at once */ - adapter->cmb.cmb->int_stats = 0; - - if (status & ISR_GPHY) /* clear phy status */ - atlx_clear_phy_int(adapter); - - /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ - iowrite32(status | ISR_DIS_INT, adapter->hw.hw_addr + REG_ISR); - - /* check if SMB intr */ - if (status & ISR_SMB) - atl1_inc_smb(adapter); - - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "pcie phy link down %x\n", status); - if (netif_running(adapter->netdev)) { /* reset MAC */ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - } - - /* check if DMA read/write error ? */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "pcie DMA r/w error (status = 0x%x)\n", - status); - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - - /* link event */ - if (status & ISR_GPHY) { - adapter->soft_stats.tx_carrier_errors++; - atl1_check_for_link(adapter); - } - - /* transmit event */ - if (status & ISR_CMB_TX) - atl1_intr_tx(adapter); - - /* rx exception */ - if (unlikely(status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV | ISR_CMB_RX))) { - if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV)) - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, - &adapter->pdev->dev, - "rx exception, ISR = 0x%x\n", - status); - atl1_intr_rx(adapter); - } - - if (--max_ints < 0) - break; - - } while ((status = adapter->cmb.cmb->int_stats)); - - /* re-enable Interrupt */ - iowrite32(ISR_DIS_SMB | ISR_DIS_DMA, adapter->hw.hw_addr + REG_ISR); - return IRQ_HANDLED; -} - - -/* - * atl1_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1_phy_config(unsigned long data) -{ - struct atl1_adapter *adapter = (struct atl1_adapter *)data; - struct atl1_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - adapter->phy_timer_pending = false; - atl1_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - atl1_write_phy_reg(hw, MII_ATLX_CR, hw->mii_1000t_ctrl_reg); - atl1_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -/* - * Orphaned vendor comment left intact here: - * - * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT - * will assert. We do soft reset <0x1400=1> according - * with the SPEC. BUT, it seemes that PCIE or DMA - * state-machine will not be reset. DMAR_TO_INT will - * assert again and again. - * - */ - -static int atl1_reset(struct atl1_adapter *adapter) -{ - int ret; - ret = atl1_reset_hw(&adapter->hw); - if (ret) - return ret; - return atl1_init_hw(&adapter->hw); -} - -static s32 atl1_up(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err; - int irq_flags = 0; - - /* hardware has been reset, we need to reload some things */ - atlx_set_multi(netdev); - atl1_init_ring_ptrs(adapter); - atlx_restore_vlan(adapter); - err = atl1_alloc_rx_buffers(adapter); - if (unlikely(!err)) - /* no RX BUFFER allocated */ - return -ENOMEM; - - if (unlikely(atl1_configure(adapter))) { - err = -EIO; - goto err_up; - } - - err = pci_enable_msi(adapter->pdev); - if (err) { - if (netif_msg_ifup(adapter)) - dev_info(&adapter->pdev->dev, - "Unable to enable MSI: %d\n", err); - irq_flags |= IRQF_SHARED; - } - - err = request_irq(adapter->pdev->irq, atl1_intr, irq_flags, - netdev->name, netdev); - if (unlikely(err)) - goto err_up; - - atlx_irq_enable(adapter); - atl1_check_link(adapter); - netif_start_queue(netdev); - return 0; - -err_up: - pci_disable_msi(adapter->pdev); - /* free rx_buffers */ - atl1_clean_rx_ring(adapter); - return err; -} - -static void atl1_down(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - netif_stop_queue(netdev); - del_timer_sync(&adapter->phy_config_timer); - adapter->phy_timer_pending = false; - - atlx_irq_disable(adapter); - free_irq(adapter->pdev->irq, netdev); - pci_disable_msi(adapter->pdev); - atl1_reset_hw(&adapter->hw); - adapter->cmb.cmb->int_stats = 0; - - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; - netif_carrier_off(netdev); - - atl1_clean_tx_ring(adapter); - atl1_clean_rx_ring(adapter); -} - -static void atl1_tx_timeout_task(struct work_struct *work) -{ - struct atl1_adapter *adapter = - container_of(work, struct atl1_adapter, tx_timeout_task); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - atl1_down(adapter); - atl1_up(adapter); - netif_device_attach(netdev); -} - -/* - * atl1_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); - return -EINVAL; - } - - adapter->hw.max_frame_size = max_frame; - adapter->hw.tx_jumbo_task_th = (max_frame + 7) >> 3; - adapter->rx_buffer_len = (max_frame + 7) & ~7; - adapter->hw.rx_jumbo_th = adapter->rx_buffer_len / 8; - - netdev->mtu = new_mtu; - if ((old_mtu != new_mtu) && netif_running(netdev)) { - atl1_down(adapter); - atl1_up(adapter); - } - - return 0; -} - -/* - * atl1_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl1_open(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int err; - - netif_carrier_off(netdev); - - /* allocate transmit descriptors */ - err = atl1_setup_ring_resources(adapter); - if (err) - return err; - - err = atl1_up(adapter); - if (err) - goto err_up; - - return 0; - -err_up: - atl1_reset(adapter); - return err; -} - -/* - * atl1_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl1_close(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - atl1_down(adapter); - atl1_free_ring_resources(adapter); - return 0; -} - -#ifdef CONFIG_PM -static int atl1_suspend(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - u32 ctrl = 0; - u32 wufc = adapter->wol; - u32 val; - u16 speed; - u16 duplex; - - netif_device_detach(netdev); - if (netif_running(netdev)) - atl1_down(adapter); - - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - val = ctrl & BMSR_LSTATUS; - if (val) - wufc &= ~ATLX_WUFC_LNKC; - if (!wufc) - goto disable_wol; - - if (val) { - val = atl1_get_speed_and_duplex(hw, &speed, &duplex); - if (val) { - if (netif_msg_ifdown(adapter)) - dev_printk(KERN_DEBUG, &pdev->dev, - "error getting speed/duplex\n"); - goto disable_wol; - } - - ctrl = 0; - - /* enable magic packet WOL */ - if (wufc & ATLX_WUFC_MAG) - ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); - iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - - /* configure the mac */ - ctrl = MAC_CTRL_RX_EN; - ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 : - MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT); - if (duplex == FULL_DUPLEX) - ctrl |= MAC_CTRL_DUPLX; - ctrl |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - __atlx_vlan_mode(netdev->features, &ctrl); - if (wufc & ATLX_WUFC_MAG) - ctrl |= MAC_CTRL_BC_EN; - iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); - ioread32(hw->hw_addr + REG_MAC_CTRL); - - /* poke the PHY */ - ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); - ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - } else { - ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); - iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - iowrite32(0, hw->hw_addr + REG_MAC_CTRL); - ioread32(hw->hw_addr + REG_MAC_CTRL); - hw->phy_configured = false; - } - - return 0; - - disable_wol: - iowrite32(0, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); - ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - hw->phy_configured = false; - - return 0; -} - -static int atl1_resume(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - - iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); - - atl1_reset_hw(&adapter->hw); - - if (netif_running(netdev)) { - adapter->cmb.cmb->int_stats = 0; - atl1_up(adapter); - } - netif_device_attach(netdev); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(atl1_pm_ops, atl1_suspend, atl1_resume); -#define ATL1_PM_OPS (&atl1_pm_ops) - -#else - -static int atl1_suspend(struct device *dev) { return 0; } - -#define ATL1_PM_OPS NULL -#endif - -static void atl1_shutdown(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - - atl1_suspend(&pdev->dev); - pci_wake_from_d3(pdev, adapter->wol); - pci_set_power_state(pdev, PCI_D3hot); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void atl1_poll_controller(struct net_device *netdev) -{ - disable_irq(netdev->irq); - atl1_intr(netdev->irq, netdev); - enable_irq(netdev->irq); -} -#endif - -static const struct net_device_ops atl1_netdev_ops = { - .ndo_open = atl1_open, - .ndo_stop = atl1_close, - .ndo_start_xmit = atl1_xmit_frame, - .ndo_set_multicast_list = atlx_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl1_set_mac, - .ndo_change_mtu = atl1_change_mtu, - .ndo_fix_features = atlx_fix_features, - .ndo_set_features = atlx_set_features, - .ndo_do_ioctl = atlx_ioctl, - .ndo_tx_timeout = atlx_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl1_poll_controller, -#endif -}; - -/* - * atl1_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl1_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl1_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl1_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl1_adapter *adapter; - static int cards_found = 0; - int err; - - err = pci_enable_device(pdev); - if (err) - return err; - - /* - * The atl1 chip can DMA to 64-bit addresses, but it uses a single - * shared register for the high 32 bits, so only a single, aligned, - * 4 GB physical address range can be used at a time. - * - * Supporting 64-bit DMA on this hardware is more trouble than it's - * worth. It is far easier to limit to 32-bit DMA than update - * various kernel subsystems to support the mechanics required by a - * fixed-high-32-bit system. - */ - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, "no usable DMA configuration\n"); - goto err_dma; - } - /* - * Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl1_driver_name - */ - err = pci_request_regions(pdev, ATLX_DRIVER_NAME); - if (err) - goto err_request_regions; - - /* - * Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings - */ - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct atl1_adapter)); - if (!netdev) { - err = -ENOMEM; - goto err_alloc_etherdev; - } - SET_NETDEV_DEV(netdev, &pdev->dev); - - pci_set_drvdata(pdev, netdev); - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.back = adapter; - adapter->msg_enable = netif_msg_init(debug, atl1_default_msg); - - adapter->hw.hw_addr = pci_iomap(pdev, 0, 0); - if (!adapter->hw.hw_addr) { - err = -EIO; - goto err_pci_iomap; - } - /* get device revision number */ - adapter->hw.dev_rev = ioread16(adapter->hw.hw_addr + - (REG_MASTER_CTRL + 2)); - if (netif_msg_probe(adapter)) - dev_info(&pdev->dev, "version %s\n", ATLX_DRIVER_VERSION); - - /* set default ring resource counts */ - adapter->rfd_ring.count = adapter->rrd_ring.count = ATL1_DEFAULT_RFD; - adapter->tpd_ring.count = ATL1_DEFAULT_TPD; - - adapter->mii.dev = netdev; - adapter->mii.mdio_read = mdio_read; - adapter->mii.mdio_write = mdio_write; - adapter->mii.phy_id_mask = 0x1f; - adapter->mii.reg_num_mask = 0x1f; - - netdev->netdev_ops = &atl1_netdev_ops; - netdev->watchdog_timeo = 5 * HZ; - - netdev->ethtool_ops = &atl1_ethtool_ops; - adapter->bd_number = cards_found; - - /* setup the private structure */ - err = atl1_sw_init(adapter); - if (err) - goto err_common; - - netdev->features = NETIF_F_HW_CSUM; - netdev->features |= NETIF_F_SG; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - - netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; - - /* is this valid? see atl1_setup_mac_ctrl() */ - netdev->features |= NETIF_F_RXCSUM; - - /* - * patch for some L1 of old version, - * the final version of L1 may not need these - * patches - */ - /* atl1_pcie_patch(adapter); */ - - /* really reset GPHY core */ - iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); - - /* - * reset the controller to - * put the device in a known good starting state - */ - if (atl1_reset_hw(&adapter->hw)) { - err = -EIO; - goto err_common; - } - - /* copy the MAC address out of the EEPROM */ - atl1_read_mac_addr(&adapter->hw); - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - - if (!is_valid_ether_addr(netdev->dev_addr)) { - err = -EIO; - goto err_common; - } - - atl1_check_options(adapter); - - /* pre-init the MAC, and setup link */ - err = atl1_init_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_common; - } - - atl1_pcie_patch(adapter); - /* assume we have no link for now */ - netif_carrier_off(netdev); - - setup_timer(&adapter->phy_config_timer, atl1_phy_config, - (unsigned long)adapter); - adapter->phy_timer_pending = false; - - INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task); - - INIT_WORK(&adapter->link_chg_task, atlx_link_chg_task); - - INIT_WORK(&adapter->pcie_dma_to_rst_task, atl1_tx_timeout_task); - - err = register_netdev(netdev); - if (err) - goto err_common; - - cards_found++; - atl1_via_workaround(adapter); - return 0; - -err_common: - pci_iounmap(pdev, adapter->hw.hw_addr); -err_pci_iomap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_dma: -err_request_regions: - pci_disable_device(pdev); - return err; -} - -/* - * atl1_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl1_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -static void __devexit atl1_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter; - /* Device not available. Return. */ - if (!netdev) - return; - - adapter = netdev_priv(netdev); - - /* - * Some atl1 boards lack persistent storage for their MAC, and get it - * from the BIOS during POST. If we've been messing with the MAC - * address, we need to save the permanent one. - */ - if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) { - memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, - ETH_ALEN); - atl1_set_mac_addr(&adapter->hw); - } - - iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); - unregister_netdev(netdev); - pci_iounmap(pdev, adapter->hw.hw_addr); - pci_release_regions(pdev); - free_netdev(netdev); - pci_disable_device(pdev); -} - -static struct pci_driver atl1_driver = { - .name = ATLX_DRIVER_NAME, - .id_table = atl1_pci_tbl, - .probe = atl1_probe, - .remove = __devexit_p(atl1_remove), - .shutdown = atl1_shutdown, - .driver.pm = ATL1_PM_OPS, -}; - -/* - * atl1_exit_module - Driver Exit Cleanup Routine - * - * atl1_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl1_exit_module(void) -{ - pci_unregister_driver(&atl1_driver); -} - -/* - * atl1_init_module - Driver Registration Routine - * - * atl1_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl1_init_module(void) -{ - return pci_register_driver(&atl1_driver); -} - -module_init(atl1_init_module); -module_exit(atl1_exit_module); - -struct atl1_stats { - char stat_string[ETH_GSTRING_LEN]; - int sizeof_stat; - int stat_offset; -}; - -#define ATL1_STAT(m) \ - sizeof(((struct atl1_adapter *)0)->m), offsetof(struct atl1_adapter, m) - -static struct atl1_stats atl1_gstrings_stats[] = { - {"rx_packets", ATL1_STAT(soft_stats.rx_packets)}, - {"tx_packets", ATL1_STAT(soft_stats.tx_packets)}, - {"rx_bytes", ATL1_STAT(soft_stats.rx_bytes)}, - {"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)}, - {"rx_errors", ATL1_STAT(soft_stats.rx_errors)}, - {"tx_errors", ATL1_STAT(soft_stats.tx_errors)}, - {"multicast", ATL1_STAT(soft_stats.multicast)}, - {"collisions", ATL1_STAT(soft_stats.collisions)}, - {"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)}, - {"rx_over_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, - {"rx_crc_errors", ATL1_STAT(soft_stats.rx_crc_errors)}, - {"rx_frame_errors", ATL1_STAT(soft_stats.rx_frame_errors)}, - {"rx_fifo_errors", ATL1_STAT(soft_stats.rx_fifo_errors)}, - {"rx_missed_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, - {"tx_aborted_errors", ATL1_STAT(soft_stats.tx_aborted_errors)}, - {"tx_carrier_errors", ATL1_STAT(soft_stats.tx_carrier_errors)}, - {"tx_fifo_errors", ATL1_STAT(soft_stats.tx_fifo_errors)}, - {"tx_window_errors", ATL1_STAT(soft_stats.tx_window_errors)}, - {"tx_abort_exce_coll", ATL1_STAT(soft_stats.excecol)}, - {"tx_abort_late_coll", ATL1_STAT(soft_stats.latecol)}, - {"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)}, - {"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)}, - {"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)}, - {"tx_underun", ATL1_STAT(soft_stats.tx_underun)}, - {"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)}, - {"tx_pause", ATL1_STAT(soft_stats.tx_pause)}, - {"rx_pause", ATL1_STAT(soft_stats.rx_pause)}, - {"rx_rrd_ov", ATL1_STAT(soft_stats.rx_rrd_ov)}, - {"rx_trunc", ATL1_STAT(soft_stats.rx_trunc)} -}; - -static void atl1_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, u64 *data) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int i; - char *p; - - for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { - p = (char *)adapter+atl1_gstrings_stats[i].stat_offset; - data[i] = (atl1_gstrings_stats[i].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } - -} - -static int atl1_get_sset_count(struct net_device *netdev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return ARRAY_SIZE(atl1_gstrings_stats); - default: - return -EOPNOTSUPP; - } -} - -static int atl1_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | SUPPORTED_TP); - ecmd->advertising = ADVERTISED_TP; - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - ecmd->advertising |= ADVERTISED_Autoneg; - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR) { - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= - (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full); - } else - ecmd->advertising |= (ADVERTISED_1000baseT_Full); - } - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (netif_carrier_ok(adapter->netdev)) { - u16 link_speed, link_duplex; - atl1_get_speed_and_duplex(hw, &link_speed, &link_duplex); - ethtool_cmd_speed_set(ecmd, link_speed); - if (link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - ecmd->autoneg = AUTONEG_ENABLE; - else - ecmd->autoneg = AUTONEG_DISABLE; - - return 0; -} - -static int atl1_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - u16 phy_data; - int ret_val = 0; - u16 old_media_type = hw->media_type; - - if (netif_running(adapter->netdev)) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool shutting down adapter\n"); - atl1_down(adapter); - } - - if (ecmd->autoneg == AUTONEG_ENABLE) - hw->media_type = MEDIA_TYPE_AUTO_SENSOR; - else { - u32 speed = ethtool_cmd_speed(ecmd); - if (speed == SPEED_1000) { - if (ecmd->duplex != DUPLEX_FULL) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "1000M half is invalid\n"); - ret_val = -EINVAL; - goto exit_sset; - } - hw->media_type = MEDIA_TYPE_1000M_FULL; - } else if (speed == SPEED_100) { - if (ecmd->duplex == DUPLEX_FULL) - hw->media_type = MEDIA_TYPE_100M_FULL; - else - hw->media_type = MEDIA_TYPE_100M_HALF; - } else { - if (ecmd->duplex == DUPLEX_FULL) - hw->media_type = MEDIA_TYPE_10M_FULL; - else - hw->media_type = MEDIA_TYPE_10M_HALF; - } - } - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - ecmd->advertising = - ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | ADVERTISED_TP; - break; - case MEDIA_TYPE_1000M_FULL: - ecmd->advertising = - ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | ADVERTISED_TP; - break; - default: - ecmd->advertising = 0; - break; - } - if (atl1_phy_setup_autoneg_adv(hw)) { - ret_val = -EINVAL; - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "invalid ethtool speed/duplex setting\n"); - goto exit_sset; - } - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); -exit_sset: - if (ret_val) - hw->media_type = old_media_type; - - if (netif_running(adapter->netdev)) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool starting adapter\n"); - atl1_up(adapter); - } else if (!ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool resetting adapter\n"); - atl1_reset(adapter); - } - return ret_val; -} - -static void atl1_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - strlcpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, ATLX_DRIVER_VERSION, - sizeof(drvinfo->version)); - strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); - strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), - sizeof(drvinfo->bus_info)); - drvinfo->eedump_len = ATL1_EEDUMP_LEN; -} - -static void atl1_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC; - wol->wolopts = 0; - if (adapter->wol & ATLX_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; -} - -static int atl1_set_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_PHY | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | - WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - adapter->wol = 0; - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= ATLX_WUFC_MAG; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static u32 atl1_get_msglevel(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - return adapter->msg_enable; -} - -static void atl1_set_msglevel(struct net_device *netdev, u32 value) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - adapter->msg_enable = value; -} - -static int atl1_get_regs_len(struct net_device *netdev) -{ - return ATL1_REG_COUNT * sizeof(u32); -} - -static void atl1_get_regs(struct net_device *netdev, struct ethtool_regs *regs, - void *p) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - unsigned int i; - u32 *regbuf = p; - - for (i = 0; i < ATL1_REG_COUNT; i++) { - /* - * This switch statement avoids reserved regions - * of register space. - */ - switch (i) { - case 6 ... 9: - case 14: - case 29 ... 31: - case 34 ... 63: - case 75 ... 127: - case 136 ... 1023: - case 1027 ... 1087: - case 1091 ... 1151: - case 1194 ... 1195: - case 1200 ... 1201: - case 1206 ... 1213: - case 1216 ... 1279: - case 1290 ... 1311: - case 1323 ... 1343: - case 1358 ... 1359: - case 1368 ... 1375: - case 1378 ... 1383: - case 1388 ... 1391: - case 1393 ... 1395: - case 1402 ... 1403: - case 1410 ... 1471: - case 1522 ... 1535: - /* reserved region; don't read it */ - regbuf[i] = 0; - break; - default: - /* unreserved region */ - regbuf[i] = ioread32(hw->hw_addr + (i * sizeof(u32))); - } - } -} - -static void atl1_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *txdr = &adapter->tpd_ring; - struct atl1_rfd_ring *rxdr = &adapter->rfd_ring; - - ring->rx_max_pending = ATL1_MAX_RFD; - ring->tx_max_pending = ATL1_MAX_TPD; - ring->rx_mini_max_pending = 0; - ring->rx_jumbo_max_pending = 0; - ring->rx_pending = rxdr->count; - ring->tx_pending = txdr->count; - ring->rx_mini_pending = 0; - ring->rx_jumbo_pending = 0; -} - -static int atl1_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *tpdr = &adapter->tpd_ring; - struct atl1_rrd_ring *rrdr = &adapter->rrd_ring; - struct atl1_rfd_ring *rfdr = &adapter->rfd_ring; - - struct atl1_tpd_ring tpd_old, tpd_new; - struct atl1_rfd_ring rfd_old, rfd_new; - struct atl1_rrd_ring rrd_old, rrd_new; - struct atl1_ring_header rhdr_old, rhdr_new; - struct atl1_smb smb; - struct atl1_cmb cmb; - int err; - - tpd_old = adapter->tpd_ring; - rfd_old = adapter->rfd_ring; - rrd_old = adapter->rrd_ring; - rhdr_old = adapter->ring_header; - - if (netif_running(adapter->netdev)) - atl1_down(adapter); - - rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD); - rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD : - rfdr->count; - rfdr->count = (rfdr->count + 3) & ~3; - rrdr->count = rfdr->count; - - tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD); - tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD : - tpdr->count; - tpdr->count = (tpdr->count + 3) & ~3; - - if (netif_running(adapter->netdev)) { - /* try to get new resources before deleting old */ - err = atl1_setup_ring_resources(adapter); - if (err) - goto err_setup_ring; - - /* - * save the new, restore the old in order to free it, - * then restore the new back again - */ - - rfd_new = adapter->rfd_ring; - rrd_new = adapter->rrd_ring; - tpd_new = adapter->tpd_ring; - rhdr_new = adapter->ring_header; - adapter->rfd_ring = rfd_old; - adapter->rrd_ring = rrd_old; - adapter->tpd_ring = tpd_old; - adapter->ring_header = rhdr_old; - /* - * Save SMB and CMB, since atl1_free_ring_resources - * will clear them. - */ - smb = adapter->smb; - cmb = adapter->cmb; - atl1_free_ring_resources(adapter); - adapter->rfd_ring = rfd_new; - adapter->rrd_ring = rrd_new; - adapter->tpd_ring = tpd_new; - adapter->ring_header = rhdr_new; - adapter->smb = smb; - adapter->cmb = cmb; - - err = atl1_up(adapter); - if (err) - return err; - } - return 0; - -err_setup_ring: - adapter->rfd_ring = rfd_old; - adapter->rrd_ring = rrd_old; - adapter->tpd_ring = tpd_old; - adapter->ring_header = rhdr_old; - atl1_up(adapter); - return err; -} - -static void atl1_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *epause) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - epause->autoneg = AUTONEG_ENABLE; - } else { - epause->autoneg = AUTONEG_DISABLE; - } - epause->rx_pause = 1; - epause->tx_pause = 1; -} - -static int atl1_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *epause) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - epause->autoneg = AUTONEG_ENABLE; - } else { - epause->autoneg = AUTONEG_DISABLE; - } - - epause->rx_pause = 1; - epause->tx_pause = 1; - - return 0; -} - -static void atl1_get_strings(struct net_device *netdev, u32 stringset, - u8 *data) -{ - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { - memcpy(p, atl1_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - break; - } -} - -static int atl1_nway_reset(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (netif_running(netdev)) { - u16 phy_data; - atl1_down(adapter); - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - } else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = MII_CR_FULL_DUPLEX | - MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = MII_CR_FULL_DUPLEX | - MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - } - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); - atl1_up(adapter); - } - return 0; -} - -static const struct ethtool_ops atl1_ethtool_ops = { - .get_settings = atl1_get_settings, - .set_settings = atl1_set_settings, - .get_drvinfo = atl1_get_drvinfo, - .get_wol = atl1_get_wol, - .set_wol = atl1_set_wol, - .get_msglevel = atl1_get_msglevel, - .set_msglevel = atl1_set_msglevel, - .get_regs_len = atl1_get_regs_len, - .get_regs = atl1_get_regs, - .get_ringparam = atl1_get_ringparam, - .set_ringparam = atl1_set_ringparam, - .get_pauseparam = atl1_get_pauseparam, - .set_pauseparam = atl1_set_pauseparam, - .get_link = ethtool_op_get_link, - .get_strings = atl1_get_strings, - .nway_reset = atl1_nway_reset, - .get_ethtool_stats = atl1_get_ethtool_stats, - .get_sset_count = atl1_get_sset_count, -}; diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h deleted file mode 100644 index 109d6da8be97..000000000000 --- a/drivers/net/atlx/atl1.h +++ /dev/null @@ -1,792 +0,0 @@ -/* - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef ATL1_H -#define ATL1_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atlx.h" - -#define ATLX_DRIVER_NAME "atl1" - -MODULE_DESCRIPTION("Atheros L1 Gigabit Ethernet Driver"); - -#define atlx_adapter atl1_adapter -#define atlx_check_for_link atl1_check_for_link -#define atlx_check_link atl1_check_link -#define atlx_hash_mc_addr atl1_hash_mc_addr -#define atlx_hash_set atl1_hash_set -#define atlx_hw atl1_hw -#define atlx_mii_ioctl atl1_mii_ioctl -#define atlx_read_phy_reg atl1_read_phy_reg -#define atlx_set_mac atl1_set_mac -#define atlx_set_mac_addr atl1_set_mac_addr - -struct atl1_adapter; -struct atl1_hw; - -/* function prototypes needed by multiple files */ -static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); -static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value); -static void atl1_set_mac_addr(struct atl1_hw *hw); -static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, - int cmd); -static u32 atl1_check_link(struct atl1_adapter *adapter); - -/* hardware definitions specific to L1 */ - -/* Block IDLE Status Register */ -#define IDLE_STATUS_RXMAC 0x1 -#define IDLE_STATUS_TXMAC 0x2 -#define IDLE_STATUS_RXQ 0x4 -#define IDLE_STATUS_TXQ 0x8 -#define IDLE_STATUS_DMAR 0x10 -#define IDLE_STATUS_DMAW 0x20 -#define IDLE_STATUS_SMB 0x40 -#define IDLE_STATUS_CMB 0x80 - -/* MDIO Control Register */ -#define MDIO_WAIT_TIMES 30 - -/* MAC Control Register */ -#define MAC_CTRL_TX_PAUSE 0x10000 -#define MAC_CTRL_SCNT 0x20000 -#define MAC_CTRL_SRST_TX 0x40000 -#define MAC_CTRL_TX_SIMURST 0x80000 -#define MAC_CTRL_SPEED_SHIFT 20 -#define MAC_CTRL_SPEED_MASK 0x300000 -#define MAC_CTRL_SPEED_1000 0x2 -#define MAC_CTRL_SPEED_10_100 0x1 -#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 -#define MAC_CTRL_TX_HUGE 0x800000 -#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 -#define MAC_CTRL_DBG 0x8000000 - -/* Wake-On-Lan control register */ -#define WOL_CLK_SWITCH_EN 0x8000 -#define WOL_PT5_EN 0x200000 -#define WOL_PT6_EN 0x400000 -#define WOL_PT5_MATCH 0x8000000 -#define WOL_PT6_MATCH 0x10000000 - -/* WOL Length ( 2 DWORD ) */ -#define REG_WOL_PATTERN_LEN 0x14A4 -#define WOL_PT_LEN_MASK 0x7F -#define WOL_PT0_LEN_SHIFT 0 -#define WOL_PT1_LEN_SHIFT 8 -#define WOL_PT2_LEN_SHIFT 16 -#define WOL_PT3_LEN_SHIFT 24 -#define WOL_PT4_LEN_SHIFT 0 -#define WOL_PT5_LEN_SHIFT 8 -#define WOL_PT6_LEN_SHIFT 16 - -/* Internal SRAM Partition Registers, low 32 bits */ -#define REG_SRAM_RFD_LEN 0x1504 -#define REG_SRAM_RRD_ADDR 0x1508 -#define REG_SRAM_RRD_LEN 0x150C -#define REG_SRAM_TPD_ADDR 0x1510 -#define REG_SRAM_TPD_LEN 0x1514 -#define REG_SRAM_TRD_ADDR 0x1518 -#define REG_SRAM_TRD_LEN 0x151C -#define REG_SRAM_RXF_ADDR 0x1520 -#define REG_SRAM_RXF_LEN 0x1524 -#define REG_SRAM_TXF_ADDR 0x1528 -#define REG_SRAM_TXF_LEN 0x152C -#define REG_SRAM_TCPH_PATH_ADDR 0x1530 -#define SRAM_TCPH_ADDR_MASK 0xFFF -#define SRAM_TCPH_ADDR_SHIFT 0 -#define SRAM_PATH_ADDR_MASK 0xFFF -#define SRAM_PATH_ADDR_SHIFT 16 - -/* Load Ptr Register */ -#define REG_LOAD_PTR 0x1534 - -/* Descriptor Control registers, low 32 bits */ -#define REG_DESC_RFD_ADDR_LO 0x1544 -#define REG_DESC_RRD_ADDR_LO 0x1548 -#define REG_DESC_TPD_ADDR_LO 0x154C -#define REG_DESC_CMB_ADDR_LO 0x1550 -#define REG_DESC_SMB_ADDR_LO 0x1554 -#define REG_DESC_RFD_RRD_RING_SIZE 0x1558 -#define DESC_RFD_RING_SIZE_MASK 0x7FF -#define DESC_RFD_RING_SIZE_SHIFT 0 -#define DESC_RRD_RING_SIZE_MASK 0x7FF -#define DESC_RRD_RING_SIZE_SHIFT 16 -#define REG_DESC_TPD_RING_SIZE 0x155C -#define DESC_TPD_RING_SIZE_MASK 0x3FF -#define DESC_TPD_RING_SIZE_SHIFT 0 - -/* TXQ Control Register */ -#define REG_TXQ_CTRL 0x1580 -#define TXQ_CTRL_TPD_BURST_NUM_SHIFT 0 -#define TXQ_CTRL_TPD_BURST_NUM_MASK 0x1F -#define TXQ_CTRL_EN 0x20 -#define TXQ_CTRL_ENH_MODE 0x40 -#define TXQ_CTRL_TPD_FETCH_TH_SHIFT 8 -#define TXQ_CTRL_TPD_FETCH_TH_MASK 0x3F -#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 -#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xFFFF - -/* Jumbo packet Threshold for task offload */ -#define REG_TX_JUMBO_TASK_TH_TPD_IPG 0x1584 -#define TX_JUMBO_TASK_TH_MASK 0x7FF -#define TX_JUMBO_TASK_TH_SHIFT 0 -#define TX_TPD_MIN_IPG_MASK 0x1F -#define TX_TPD_MIN_IPG_SHIFT 16 - -/* RXQ Control Register */ -#define REG_RXQ_CTRL 0x15A0 -#define RXQ_CTRL_RFD_BURST_NUM_SHIFT 0 -#define RXQ_CTRL_RFD_BURST_NUM_MASK 0xFF -#define RXQ_CTRL_RRD_BURST_THRESH_SHIFT 8 -#define RXQ_CTRL_RRD_BURST_THRESH_MASK 0xFF -#define RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT 16 -#define RXQ_CTRL_RFD_PREF_MIN_IPG_MASK 0x1F -#define RXQ_CTRL_CUT_THRU_EN 0x40000000 -#define RXQ_CTRL_EN 0x80000000 - -/* Rx jumbo packet threshold and rrd retirement timer */ -#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 -#define RXQ_JMBOSZ_TH_MASK 0x7FF -#define RXQ_JMBOSZ_TH_SHIFT 0 -#define RXQ_JMBO_LKAH_MASK 0xF -#define RXQ_JMBO_LKAH_SHIFT 11 -#define RXQ_RRD_TIMER_MASK 0xFFFF -#define RXQ_RRD_TIMER_SHIFT 16 - -/* RFD flow control register */ -#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 -#define RXQ_RXF_PAUSE_TH_HI_SHIFT 16 -#define RXQ_RXF_PAUSE_TH_HI_MASK 0xFFF -#define RXQ_RXF_PAUSE_TH_LO_SHIFT 0 -#define RXQ_RXF_PAUSE_TH_LO_MASK 0xFFF - -/* RRD flow control register */ -#define REG_RXQ_RRD_PAUSE_THRESH 0x15AC -#define RXQ_RRD_PAUSE_TH_HI_SHIFT 0 -#define RXQ_RRD_PAUSE_TH_HI_MASK 0xFFF -#define RXQ_RRD_PAUSE_TH_LO_SHIFT 16 -#define RXQ_RRD_PAUSE_TH_LO_MASK 0xFFF - -/* DMA Engine Control Register */ -#define REG_DMA_CTRL 0x15C0 -#define DMA_CTRL_DMAR_IN_ORDER 0x1 -#define DMA_CTRL_DMAR_ENH_ORDER 0x2 -#define DMA_CTRL_DMAR_OUT_ORDER 0x4 -#define DMA_CTRL_RCB_VALUE 0x8 -#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 -#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 -#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAR_EN 0x400 -#define DMA_CTRL_DMAW_EN 0x800 - -/* CMB/SMB Control Register */ -#define REG_CSMB_CTRL 0x15D0 -#define CSMB_CTRL_CMB_NOW 1 -#define CSMB_CTRL_SMB_NOW 2 -#define CSMB_CTRL_CMB_EN 4 -#define CSMB_CTRL_SMB_EN 8 - -/* CMB DMA Write Threshold Register */ -#define REG_CMB_WRITE_TH 0x15D4 -#define CMB_RRD_TH_SHIFT 0 -#define CMB_RRD_TH_MASK 0x7FF -#define CMB_TPD_TH_SHIFT 16 -#define CMB_TPD_TH_MASK 0x7FF - -/* RX/TX count-down timer to trigger CMB-write. 2us resolution. */ -#define REG_CMB_WRITE_TIMER 0x15D8 -#define CMB_RX_TM_SHIFT 0 -#define CMB_RX_TM_MASK 0xFFFF -#define CMB_TX_TM_SHIFT 16 -#define CMB_TX_TM_MASK 0xFFFF - -/* Number of packet received since last CMB write */ -#define REG_CMB_RX_PKT_CNT 0x15DC - -/* Number of packet transmitted since last CMB write */ -#define REG_CMB_TX_PKT_CNT 0x15E0 - -/* SMB auto DMA timer register */ -#define REG_SMB_TIMER 0x15E4 - -/* Mailbox Register */ -#define REG_MAILBOX 0x15F0 -#define MB_RFD_PROD_INDX_SHIFT 0 -#define MB_RFD_PROD_INDX_MASK 0x7FF -#define MB_RRD_CONS_INDX_SHIFT 11 -#define MB_RRD_CONS_INDX_MASK 0x7FF -#define MB_TPD_PROD_INDX_SHIFT 22 -#define MB_TPD_PROD_INDX_MASK 0x3FF - -/* Interrupt Status Register */ -#define ISR_SMB 0x1 -#define ISR_TIMER 0x2 -#define ISR_MANUAL 0x4 -#define ISR_RXF_OV 0x8 -#define ISR_RFD_UNRUN 0x10 -#define ISR_RRD_OV 0x20 -#define ISR_TXF_UNRUN 0x40 -#define ISR_LINK 0x80 -#define ISR_HOST_RFD_UNRUN 0x100 -#define ISR_HOST_RRD_OV 0x200 -#define ISR_DMAR_TO_RST 0x400 -#define ISR_DMAW_TO_RST 0x800 -#define ISR_GPHY 0x1000 -#define ISR_RX_PKT 0x10000 -#define ISR_TX_PKT 0x20000 -#define ISR_TX_DMA 0x40000 -#define ISR_RX_DMA 0x80000 -#define ISR_CMB_RX 0x100000 -#define ISR_CMB_TX 0x200000 -#define ISR_MAC_RX 0x400000 -#define ISR_MAC_TX 0x800000 -#define ISR_DIS_SMB 0x20000000 -#define ISR_DIS_DMA 0x40000000 - -/* Normal Interrupt mask */ -#define IMR_NORMAL_MASK (\ - ISR_SMB |\ - ISR_GPHY |\ - ISR_PHY_LINKDOWN|\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_CMB_TX |\ - ISR_CMB_RX) - -/* Debug Interrupt Mask (enable all interrupt) */ -#define IMR_DEBUG_MASK (\ - ISR_SMB |\ - ISR_TIMER |\ - ISR_MANUAL |\ - ISR_RXF_OV |\ - ISR_RFD_UNRUN |\ - ISR_RRD_OV |\ - ISR_TXF_UNRUN |\ - ISR_LINK |\ - ISR_CMB_TX |\ - ISR_CMB_RX |\ - ISR_RX_PKT |\ - ISR_TX_PKT |\ - ISR_MAC_RX |\ - ISR_MAC_TX) - -#define MEDIA_TYPE_1000M_FULL 1 -#define MEDIA_TYPE_100M_FULL 2 -#define MEDIA_TYPE_100M_HALF 3 -#define MEDIA_TYPE_10M_FULL 4 -#define MEDIA_TYPE_10M_HALF 5 - -#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x002F /* All but 1000-Half */ - -#define MAX_JUMBO_FRAME_SIZE 10240 - -#define ATL1_EEDUMP_LEN 48 - -/* Statistics counters collected by the MAC */ -struct stats_msg_block { - /* rx */ - u32 rx_ok; /* good RX packets */ - u32 rx_bcast; /* good RX broadcast packets */ - u32 rx_mcast; /* good RX multicast packets */ - u32 rx_pause; /* RX pause frames */ - u32 rx_ctrl; /* RX control packets other than pause frames */ - u32 rx_fcs_err; /* RX packets with bad FCS */ - u32 rx_len_err; /* RX packets with length != actual size */ - u32 rx_byte_cnt; /* good bytes received. FCS is NOT included */ - u32 rx_runt; /* RX packets < 64 bytes with good FCS */ - u32 rx_frag; /* RX packets < 64 bytes with bad FCS */ - u32 rx_sz_64; /* 64 byte RX packets */ - u32 rx_sz_65_127; - u32 rx_sz_128_255; - u32 rx_sz_256_511; - u32 rx_sz_512_1023; - u32 rx_sz_1024_1518; - u32 rx_sz_1519_max; /* 1519 byte to MTU RX packets */ - u32 rx_sz_ov; /* truncated RX packets > MTU */ - u32 rx_rxf_ov; /* frames dropped due to RX FIFO overflow */ - u32 rx_rrd_ov; /* frames dropped due to RRD overflow */ - u32 rx_align_err; /* alignment errors */ - u32 rx_bcast_byte_cnt; /* RX broadcast bytes, excluding FCS */ - u32 rx_mcast_byte_cnt; /* RX multicast bytes, excluding FCS */ - u32 rx_err_addr; /* packets dropped due to address filtering */ - - /* tx */ - u32 tx_ok; /* good TX packets */ - u32 tx_bcast; /* good TX broadcast packets */ - u32 tx_mcast; /* good TX multicast packets */ - u32 tx_pause; /* TX pause frames */ - u32 tx_exc_defer; /* TX packets deferred excessively */ - u32 tx_ctrl; /* TX control frames, excluding pause frames */ - u32 tx_defer; /* TX packets deferred */ - u32 tx_byte_cnt; /* bytes transmitted, FCS is NOT included */ - u32 tx_sz_64; /* 64 byte TX packets */ - u32 tx_sz_65_127; - u32 tx_sz_128_255; - u32 tx_sz_256_511; - u32 tx_sz_512_1023; - u32 tx_sz_1024_1518; - u32 tx_sz_1519_max; /* 1519 byte to MTU TX packets */ - u32 tx_1_col; /* packets TX after a single collision */ - u32 tx_2_col; /* packets TX after multiple collisions */ - u32 tx_late_col; /* TX packets with late collisions */ - u32 tx_abort_col; /* TX packets aborted w/excessive collisions */ - u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun - * or TRD FIFO underrun */ - u32 tx_rd_eop; /* reads beyond the EOP into the next frame - * when TRD was not written timely */ - u32 tx_len_err; /* TX packets where length != actual size */ - u32 tx_trunc; /* TX packets truncated due to size > MTU */ - u32 tx_bcast_byte; /* broadcast bytes transmitted, excluding FCS */ - u32 tx_mcast_byte; /* multicast bytes transmitted, excluding FCS */ - u32 smb_updated; /* 1: SMB Updated. This is used by software to - * indicate the statistics update. Software - * should clear this bit after retrieving the - * statistics information. */ -}; - -/* Coalescing Message Block */ -struct coals_msg_block { - u32 int_stats; /* interrupt status */ - u16 rrd_prod_idx; /* TRD Producer Index. */ - u16 rfd_cons_idx; /* RFD Consumer Index. */ - u16 update; /* Selene sets this bit every time it DMAs the - * CMB to host memory. Software should clear - * this bit when CMB info is processed. */ - u16 tpd_cons_idx; /* TPD Consumer Index. */ -}; - -/* RRD descriptor */ -struct rx_return_desc { - u8 num_buf; /* Number of RFD buffers used by the received packet */ - u8 resved; - u16 buf_indx; /* RFD Index of the first buffer */ - union { - u32 valid; - struct { - u16 rx_chksum; - u16 pkt_size; - } xsum_sz; - } xsz; - - u16 pkt_flg; /* Packet flags */ - u16 err_flg; /* Error flags */ - u16 resved2; - u16 vlan_tag; /* VLAN TAG */ -}; - -#define PACKET_FLAG_ETH_TYPE 0x0080 -#define PACKET_FLAG_VLAN_INS 0x0100 -#define PACKET_FLAG_ERR 0x0200 -#define PACKET_FLAG_IPV4 0x0400 -#define PACKET_FLAG_UDP 0x0800 -#define PACKET_FLAG_TCP 0x1000 -#define PACKET_FLAG_BCAST 0x2000 -#define PACKET_FLAG_MCAST 0x4000 -#define PACKET_FLAG_PAUSE 0x8000 - -#define ERR_FLAG_CRC 0x0001 -#define ERR_FLAG_CODE 0x0002 -#define ERR_FLAG_DRIBBLE 0x0004 -#define ERR_FLAG_RUNT 0x0008 -#define ERR_FLAG_OV 0x0010 -#define ERR_FLAG_TRUNC 0x0020 -#define ERR_FLAG_IP_CHKSUM 0x0040 -#define ERR_FLAG_L4_CHKSUM 0x0080 -#define ERR_FLAG_LEN 0x0100 -#define ERR_FLAG_DES_ADDR 0x0200 - -/* RFD descriptor */ -struct rx_free_desc { - __le64 buffer_addr; /* Address of the descriptor's data buffer */ - __le16 buf_len; /* Size of the receive buffer in host memory */ - u16 coalese; /* Update consumer index to host after the - * reception of this frame */ - /* __packed is required */ -} __packed; - -/* - * The L1 transmit packet descriptor is comprised of four 32-bit words. - * - * 31 0 - * +---------------------------------------+ - * | Word 0: Buffer addr lo | - * +---------------------------------------+ - * | Word 1: Buffer addr hi | - * +---------------------------------------+ - * | Word 2 | - * +---------------------------------------+ - * | Word 3 | - * +---------------------------------------+ - * - * Words 0 and 1 combine to form a 64-bit buffer address. - * - * Word 2 is self explanatory in the #define block below. - * - * Word 3 has two forms, depending upon the state of bits 3 and 4. - * If bits 3 and 4 are both zero, then bits 14:31 are unused by the - * hardware. Otherwise, if either bit 3 or 4 is set, the definition - * of bits 14:31 vary according to the following depiction. - * - * 0 End of packet 0 End of packet - * 1 Coalesce 1 Coalesce - * 2 Insert VLAN tag 2 Insert VLAN tag - * 3 Custom csum enable = 0 3 Custom csum enable = 1 - * 4 Segment enable = 1 4 Segment enable = 0 - * 5 Generate IP checksum 5 Generate IP checksum - * 6 Generate TCP checksum 6 Generate TCP checksum - * 7 Generate UDP checksum 7 Generate UDP checksum - * 8 VLAN tagged 8 VLAN tagged - * 9 Ethernet frame type 9 Ethernet frame type - * 10-+ 10-+ - * 11 | IP hdr length (10:13) 11 | IP hdr length (10:13) - * 12 | (num 32-bit words) 12 | (num 32-bit words) - * 13-+ 13-+ - * 14-+ 14 Unused - * 15 | TCP hdr length (14:17) 15 Unused - * 16 | (num 32-bit words) 16-+ - * 17-+ 17 | - * 18 Header TPD flag 18 | - * 19-+ 19 | Payload offset - * 20 | 20 | (16:23) - * 21 | 21 | - * 22 | 22 | - * 23 | 23-+ - * 24 | 24-+ - * 25 | MSS (19:31) 25 | - * 26 | 26 | - * 27 | 27 | Custom csum offset - * 28 | 28 | (24:31) - * 29 | 29 | - * 30 | 30 | - * 31-+ 31-+ - */ - -/* tpd word 2 */ -#define TPD_BUFLEN_MASK 0x3FFF -#define TPD_BUFLEN_SHIFT 0 -#define TPD_DMAINT_MASK 0x0001 -#define TPD_DMAINT_SHIFT 14 -#define TPD_PKTNT_MASK 0x0001 -#define TPD_PKTINT_SHIFT 15 -#define TPD_VLANTAG_MASK 0xFFFF -#define TPD_VLANTAG_SHIFT 16 - -/* tpd word 3 bits 0:13 */ -#define TPD_EOP_MASK 0x0001 -#define TPD_EOP_SHIFT 0 -#define TPD_COALESCE_MASK 0x0001 -#define TPD_COALESCE_SHIFT 1 -#define TPD_INS_VL_TAG_MASK 0x0001 -#define TPD_INS_VL_TAG_SHIFT 2 -#define TPD_CUST_CSUM_EN_MASK 0x0001 -#define TPD_CUST_CSUM_EN_SHIFT 3 -#define TPD_SEGMENT_EN_MASK 0x0001 -#define TPD_SEGMENT_EN_SHIFT 4 -#define TPD_IP_CSUM_MASK 0x0001 -#define TPD_IP_CSUM_SHIFT 5 -#define TPD_TCP_CSUM_MASK 0x0001 -#define TPD_TCP_CSUM_SHIFT 6 -#define TPD_UDP_CSUM_MASK 0x0001 -#define TPD_UDP_CSUM_SHIFT 7 -#define TPD_VL_TAGGED_MASK 0x0001 -#define TPD_VL_TAGGED_SHIFT 8 -#define TPD_ETHTYPE_MASK 0x0001 -#define TPD_ETHTYPE_SHIFT 9 -#define TPD_IPHL_MASK 0x000F -#define TPD_IPHL_SHIFT 10 - -/* tpd word 3 bits 14:31 if segment enabled */ -#define TPD_TCPHDRLEN_MASK 0x000F -#define TPD_TCPHDRLEN_SHIFT 14 -#define TPD_HDRFLAG_MASK 0x0001 -#define TPD_HDRFLAG_SHIFT 18 -#define TPD_MSS_MASK 0x1FFF -#define TPD_MSS_SHIFT 19 - -/* tpd word 3 bits 16:31 if custom csum enabled */ -#define TPD_PLOADOFFSET_MASK 0x00FF -#define TPD_PLOADOFFSET_SHIFT 16 -#define TPD_CCSUMOFFSET_MASK 0x00FF -#define TPD_CCSUMOFFSET_SHIFT 24 - -struct tx_packet_desc { - __le64 buffer_addr; - __le32 word2; - __le32 word3; -}; - -/* DMA Order Settings */ -enum atl1_dma_order { - atl1_dma_ord_in = 1, - atl1_dma_ord_enh = 2, - atl1_dma_ord_out = 4 -}; - -enum atl1_dma_rcb { - atl1_rcb_64 = 0, - atl1_rcb_128 = 1 -}; - -enum atl1_dma_req_block { - atl1_dma_req_128 = 0, - atl1_dma_req_256 = 1, - atl1_dma_req_512 = 2, - atl1_dma_req_1024 = 3, - atl1_dma_req_2048 = 4, - atl1_dma_req_4096 = 5 -}; - -#define ATL1_MAX_INTR 3 -#define ATL1_MAX_TX_BUF_LEN 0x3000 /* 12288 bytes */ - -#define ATL1_DEFAULT_TPD 256 -#define ATL1_MAX_TPD 1024 -#define ATL1_MIN_TPD 64 -#define ATL1_DEFAULT_RFD 512 -#define ATL1_MIN_RFD 128 -#define ATL1_MAX_RFD 2048 -#define ATL1_REG_COUNT 1538 - -#define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) -#define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc) -#define ATL1_TPD_DESC(R, i) ATL1_GET_DESC(R, i, struct tx_packet_desc) -#define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc) - -/* - * atl1_ring_header represents a single, contiguous block of DMA space - * mapped for the three descriptor rings (tpd, rfd, rrd) and the two - * message blocks (cmb, smb) described below - */ -struct atl1_ring_header { - void *desc; /* virtual address */ - dma_addr_t dma; /* physical address*/ - unsigned int size; /* length in bytes */ -}; - -/* - * atl1_buffer is wrapper around a pointer to a socket buffer - * so a DMA handle can be stored along with the skb - */ -struct atl1_buffer { - struct sk_buff *skb; /* socket buffer */ - u16 length; /* rx buffer length */ - u16 alloced; /* 1 if skb allocated */ - dma_addr_t dma; -}; - -/* transmit packet descriptor (tpd) ring */ -struct atl1_tpd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 hw_idx; /* hardware index */ - atomic_t next_to_clean; - atomic_t next_to_use; - struct atl1_buffer *buffer_info; -}; - -/* receive free descriptor (rfd) ring */ -struct atl1_rfd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - atomic_t next_to_use; - u16 next_to_clean; - struct atl1_buffer *buffer_info; -}; - -/* receive return descriptor (rrd) ring */ -struct atl1_rrd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - unsigned int size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 next_to_use; - atomic_t next_to_clean; -}; - -/* coalescing message block (cmb) */ -struct atl1_cmb { - struct coals_msg_block *cmb; - dma_addr_t dma; -}; - -/* statistics message block (smb) */ -struct atl1_smb { - struct stats_msg_block *smb; - dma_addr_t dma; -}; - -/* Statistics counters */ -struct atl1_sft_stats { - u64 rx_packets; - u64 tx_packets; - u64 rx_bytes; - u64 tx_bytes; - u64 multicast; - u64 collisions; - u64 rx_errors; - u64 rx_length_errors; - u64 rx_crc_errors; - u64 rx_frame_errors; - u64 rx_fifo_errors; - u64 rx_missed_errors; - u64 tx_errors; - u64 tx_fifo_errors; - u64 tx_aborted_errors; - u64 tx_window_errors; - u64 tx_carrier_errors; - u64 tx_pause; /* TX pause frames */ - u64 excecol; /* TX packets w/ excessive collisions */ - u64 deffer; /* TX packets deferred */ - u64 scc; /* packets TX after a single collision */ - u64 mcc; /* packets TX after multiple collisions */ - u64 latecol; /* TX packets w/ late collisions */ - u64 tx_underun; /* TX packets aborted due to TX FIFO underrun - * or TRD FIFO underrun */ - u64 tx_trunc; /* TX packets truncated due to size > MTU */ - u64 rx_pause; /* num Pause packets received. */ - u64 rx_rrd_ov; - u64 rx_trunc; -}; - -/* hardware structure */ -struct atl1_hw { - u8 __iomem *hw_addr; - struct atl1_adapter *back; - enum atl1_dma_order dma_ord; - enum atl1_dma_rcb rcb_value; - enum atl1_dma_req_block dmar_block; - enum atl1_dma_req_block dmaw_block; - u8 preamble_len; - u8 max_retry; - u8 jam_ipg; /* IPG to start JAM for collision based flow - * control in half-duplex mode. In units of - * 8-bit time */ - u8 ipgt; /* Desired back to back inter-packet gap. - * The default is 96-bit time */ - u8 min_ifg; /* Minimum number of IFG to enforce in between - * receive frames. Frame gap below such IFP - * is dropped */ - u8 ipgr1; /* 64bit Carrier-Sense window */ - u8 ipgr2; /* 96-bit IPG window */ - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned - * burst. Each TPD is 16 bytes long */ - u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned - * burst. Each RFD is 12 bytes long */ - u8 rfd_fetch_gap; - u8 rrd_burst; /* Threshold number of RRDs that can be retired - * in a burst. Each RRD is 16 bytes long */ - u8 tpd_fetch_th; - u8 tpd_fetch_gap; - u16 tx_jumbo_task_th; - u16 txf_burst; /* Number of data bytes to read in a cache- - * aligned burst. Each SRAM entry is 8 bytes */ - u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN - * packets should add 4 bytes */ - u16 rx_jumbo_lkah; - u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after - * every 512ns passes. */ - u16 lcol; /* Collision Window */ - - u16 cmb_tpd; - u16 cmb_rrd; - u16 cmb_rx_timer; - u16 cmb_tx_timer; - u32 smb_timer; - u16 media_type; - u16 autoneg_advertised; - - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - u32 max_frame_size; - u32 min_frame_size; - - u16 dev_rev; - - /* spi flash */ - u8 flash_vendor; - - u8 mac_addr[ETH_ALEN]; - u8 perm_mac_addr[ETH_ALEN]; - - bool phy_configured; -}; - -struct atl1_adapter { - struct net_device *netdev; - struct pci_dev *pdev; - - struct atl1_sft_stats soft_stats; - u32 rx_buffer_len; - u32 wol; - u16 link_speed; - u16 link_duplex; - spinlock_t lock; - struct work_struct tx_timeout_task; - struct work_struct link_chg_task; - struct work_struct pcie_dma_to_rst_task; - - struct timer_list phy_config_timer; - bool phy_timer_pending; - - /* all descriptor rings' memory */ - struct atl1_ring_header ring_header; - - /* TX */ - struct atl1_tpd_ring tpd_ring; - spinlock_t mb_lock; - - /* RX */ - struct atl1_rfd_ring rfd_ring; - struct atl1_rrd_ring rrd_ring; - u64 hw_csum_err; - u64 hw_csum_good; - u32 msg_enable; - u16 imt; /* interrupt moderator timer (2us resolution) */ - u16 ict; /* interrupt clear timer (2us resolution */ - struct mii_if_info mii; /* MII interface info */ - - u32 bd_number; /* board number */ - bool pci_using_64; - struct atl1_hw hw; - struct atl1_smb smb; - struct atl1_cmb cmb; -}; - -#endif /* ATL1_H */ diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c deleted file mode 100644 index d4f7dda39721..000000000000 --- a/drivers/net/atlx/atl2.c +++ /dev/null @@ -1,3119 +0,0 @@ -/* - * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2007 - 2008 Chris Snook - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atl2.h" - -#define ATL2_DRV_VERSION "2.2.3" - -static const char atl2_driver_name[] = "atl2"; -static const char atl2_driver_string[] = "Atheros(R) L2 Ethernet Driver"; -static const char atl2_copyright[] = "Copyright (c) 2007 Atheros Corporation."; -static const char atl2_driver_version[] = ATL2_DRV_VERSION; - -MODULE_AUTHOR("Atheros Corporation , Chris Snook "); -MODULE_DESCRIPTION("Atheros Fast Ethernet Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATL2_DRV_VERSION); - -/* - * atl2_pci_tbl - PCI Device ID Table - */ -static DEFINE_PCI_DEVICE_TABLE(atl2_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)}, - /* required last entry */ - {0,} -}; -MODULE_DEVICE_TABLE(pci, atl2_pci_tbl); - -static void atl2_set_ethtool_ops(struct net_device *netdev); - -static void atl2_check_options(struct atl2_adapter *adapter); - -/* - * atl2_sw_init - Initialize general software structures (struct atl2_adapter) - * @adapter: board private structure to initialize - * - * atl2_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl2_sw_init(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - - /* PCI config space info */ - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_id = pdev->subsystem_device; - hw->revision_id = pdev->revision; - - pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); - - adapter->wol = 0; - adapter->ict = 50000; /* ~100ms */ - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->ipgt = 0x60; - hw->min_ifg = 0x50; - hw->ipgr1 = 0x40; - hw->ipgr2 = 0x60; - hw->retry_buf = 2; - hw->max_retry = 0xf; - hw->lcol = 0x37; - hw->jam_ipg = 7; - hw->fc_rxd_hi = 0; - hw->fc_rxd_lo = 0; - hw->max_frame_size = adapter->netdev->mtu; - - spin_lock_init(&adapter->stats_lock); - - set_bit(__ATL2_DOWN, &adapter->flags); - - return 0; -} - -/* - * atl2_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atl2_set_multi(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 rctl; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - rctl = ATL2_READ_REG(hw, REG_MAC_CTRL); - - if (netdev->flags & IFF_PROMISC) { - rctl |= MAC_CTRL_PROMIS_EN; - } else if (netdev->flags & IFF_ALLMULTI) { - rctl |= MAC_CTRL_MC_ALL_EN; - rctl &= ~MAC_CTRL_PROMIS_EN; - } else - rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, rctl); - - /* clear the old settings from the multicast hash table */ - ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - /* comoute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atl2_hash_mc_addr(hw, ha->addr); - atl2_hash_set(hw, hash_value); - } -} - -static void init_ring_ptrs(struct atl2_adapter *adapter) -{ - /* Read / Write Ptr Initialize: */ - adapter->txd_write_ptr = 0; - atomic_set(&adapter->txd_read_ptr, 0); - - adapter->rxd_read_ptr = 0; - adapter->rxd_write_ptr = 0; - - atomic_set(&adapter->txs_write_ptr, 0); - adapter->txs_next_clear = 0; -} - -/* - * atl2_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static int atl2_configure(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - u32 value; - - /* clear interrupt status */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0xffffffff); - - /* set MAC Address */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])); - ATL2_WRITE_REG(hw, REG_MAC_STA_ADDR, value); - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])); - ATL2_WRITE_REG(hw, (REG_MAC_STA_ADDR+4), value); - - /* HI base address */ - ATL2_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, - (u32)((adapter->ring_dma & 0xffffffff00000000ULL) >> 32)); - - /* LO base address */ - ATL2_WRITE_REG(hw, REG_TXD_BASE_ADDR_LO, - (u32)(adapter->txd_dma & 0x00000000ffffffffULL)); - ATL2_WRITE_REG(hw, REG_TXS_BASE_ADDR_LO, - (u32)(adapter->txs_dma & 0x00000000ffffffffULL)); - ATL2_WRITE_REG(hw, REG_RXD_BASE_ADDR_LO, - (u32)(adapter->rxd_dma & 0x00000000ffffffffULL)); - - /* element count */ - ATL2_WRITE_REGW(hw, REG_TXD_MEM_SIZE, (u16)(adapter->txd_ring_size/4)); - ATL2_WRITE_REGW(hw, REG_TXS_MEM_SIZE, (u16)adapter->txs_ring_size); - ATL2_WRITE_REGW(hw, REG_RXD_BUF_NUM, (u16)adapter->rxd_ring_size); - - /* config Internal SRAM */ -/* - ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_tx_end); - ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_rx_end); -*/ - - /* config IPG/IFG */ - value = (((u32)hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << - MAC_IPG_IFG_IPGT_SHIFT) | - (((u32)hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) << - MAC_IPG_IFG_MIFG_SHIFT) | - (((u32)hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) << - MAC_IPG_IFG_IPGR1_SHIFT)| - (((u32)hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) << - MAC_IPG_IFG_IPGR2_SHIFT); - ATL2_WRITE_REG(hw, REG_MAC_IPG_IFG, value); - - /* config Half-Duplex Control */ - value = ((u32)hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32)hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) << - MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32)hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) << - MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); - ATL2_WRITE_REG(hw, REG_MAC_HALF_DUPLX_CTRL, value); - - /* set Interrupt Moderator Timer */ - ATL2_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, adapter->imt); - ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_ITIMER_EN); - - /* set Interrupt Clear Timer */ - ATL2_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, adapter->ict); - - /* set MTU */ - ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu + - ENET_HEADER_SIZE + VLAN_SIZE + ETHERNET_FCS_SIZE); - - /* 1590 */ - ATL2_WRITE_REG(hw, REG_TX_CUT_THRESH, 0x177); - - /* flow control */ - ATL2_WRITE_REGW(hw, REG_PAUSE_ON_TH, hw->fc_rxd_hi); - ATL2_WRITE_REGW(hw, REG_PAUSE_OFF_TH, hw->fc_rxd_lo); - - /* Init mailbox */ - ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr); - ATL2_WRITE_REGW(hw, REG_MB_RXD_RD_IDX, (u16)adapter->rxd_read_ptr); - - /* enable DMA read/write */ - ATL2_WRITE_REGB(hw, REG_DMAR, DMAR_EN); - ATL2_WRITE_REGB(hw, REG_DMAW, DMAW_EN); - - value = ATL2_READ_REG(&adapter->hw, REG_ISR); - if ((value & ISR_PHY_LINKDOWN) != 0) - value = 1; /* config failed */ - else - value = 0; - - /* clear all interrupt status */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0x3fffffff); - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); - return value; -} - -/* - * atl2_setup_ring_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - int size; - u8 offset = 0; - - /* real ring DMA buffer */ - adapter->ring_size = size = - adapter->txd_ring_size * 1 + 7 + /* dword align */ - adapter->txs_ring_size * 4 + 7 + /* dword align */ - adapter->rxd_ring_size * 1536 + 127; /* 128bytes align */ - - adapter->ring_vir_addr = pci_alloc_consistent(pdev, size, - &adapter->ring_dma); - if (!adapter->ring_vir_addr) - return -ENOMEM; - memset(adapter->ring_vir_addr, 0, adapter->ring_size); - - /* Init TXD Ring */ - adapter->txd_dma = adapter->ring_dma ; - offset = (adapter->txd_dma & 0x7) ? (8 - (adapter->txd_dma & 0x7)) : 0; - adapter->txd_dma += offset; - adapter->txd_ring = adapter->ring_vir_addr + offset; - - /* Init TXS Ring */ - adapter->txs_dma = adapter->txd_dma + adapter->txd_ring_size; - offset = (adapter->txs_dma & 0x7) ? (8 - (adapter->txs_dma & 0x7)) : 0; - adapter->txs_dma += offset; - adapter->txs_ring = (struct tx_pkt_status *) - (((u8 *)adapter->txd_ring) + (adapter->txd_ring_size + offset)); - - /* Init RXD Ring */ - adapter->rxd_dma = adapter->txs_dma + adapter->txs_ring_size * 4; - offset = (adapter->rxd_dma & 127) ? - (128 - (adapter->rxd_dma & 127)) : 0; - if (offset > 7) - offset -= 8; - else - offset += (128 - 8); - - adapter->rxd_dma += offset; - adapter->rxd_ring = (struct rx_desc *) (((u8 *)adapter->txs_ring) + - (adapter->txs_ring_size * 4 + offset)); - -/* - * Read / Write Ptr Initialize: - * init_ring_ptrs(adapter); - */ - return 0; -} - -/* - * atl2_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static inline void atl2_irq_enable(struct atl2_adapter *adapter) -{ - ATL2_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); - ATL2_WRITE_FLUSH(&adapter->hw); -} - -/* - * atl2_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static inline void atl2_irq_disable(struct atl2_adapter *adapter) -{ - ATL2_WRITE_REG(&adapter->hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(&adapter->hw); - synchronize_irq(adapter->pdev->irq); -} - -static void __atl2_vlan_mode(u32 features, u32 *ctrl) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *ctrl |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *ctrl &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atl2_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - u32 ctrl; - - atl2_irq_disable(adapter); - - ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL); - __atl2_vlan_mode(features, &ctrl); - ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl); - - atl2_irq_enable(adapter); -} - -static void atl2_restore_vlan(struct atl2_adapter *adapter) -{ - atl2_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -static u32 atl2_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atl2_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atl2_vlan_mode(netdev, features); - - return 0; -} - -static void atl2_intr_rx(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct rx_desc *rxd; - struct sk_buff *skb; - - do { - rxd = adapter->rxd_ring+adapter->rxd_write_ptr; - if (!rxd->status.update) - break; /* end of tx */ - - /* clear this flag at once */ - rxd->status.update = 0; - - if (rxd->status.ok && rxd->status.pkt_size >= 60) { - int rx_size = (int)(rxd->status.pkt_size - 4); - /* alloc new buffer */ - skb = netdev_alloc_skb_ip_align(netdev, rx_size); - if (NULL == skb) { - printk(KERN_WARNING - "%s: Mem squeeze, deferring packet.\n", - netdev->name); - /* - * Check that some rx space is free. If not, - * free one and mark stats->rx_dropped++. - */ - netdev->stats.rx_dropped++; - break; - } - memcpy(skb->data, rxd->packet, rx_size); - skb_put(skb, rx_size); - skb->protocol = eth_type_trans(skb, netdev); - if (rxd->status.vlan) { - u16 vlan_tag = (rxd->status.vtag>>4) | - ((rxd->status.vtag&7) << 13) | - ((rxd->status.vtag&8) << 9); - - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_rx(skb); - netdev->stats.rx_bytes += rx_size; - netdev->stats.rx_packets++; - } else { - netdev->stats.rx_errors++; - - if (rxd->status.ok && rxd->status.pkt_size <= 60) - netdev->stats.rx_length_errors++; - if (rxd->status.mcast) - netdev->stats.multicast++; - if (rxd->status.crc) - netdev->stats.rx_crc_errors++; - if (rxd->status.align) - netdev->stats.rx_frame_errors++; - } - - /* advance write ptr */ - if (++adapter->rxd_write_ptr == adapter->rxd_ring_size) - adapter->rxd_write_ptr = 0; - } while (1); - - /* update mailbox? */ - adapter->rxd_read_ptr = adapter->rxd_write_ptr; - ATL2_WRITE_REGW(&adapter->hw, REG_MB_RXD_RD_IDX, adapter->rxd_read_ptr); -} - -static void atl2_intr_tx(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u32 txd_read_ptr; - u32 txs_write_ptr; - struct tx_pkt_status *txs; - struct tx_pkt_header *txph; - int free_hole = 0; - - do { - txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); - txs = adapter->txs_ring + txs_write_ptr; - if (!txs->update) - break; /* tx stop here */ - - free_hole = 1; - txs->update = 0; - - if (++txs_write_ptr == adapter->txs_ring_size) - txs_write_ptr = 0; - atomic_set(&adapter->txs_write_ptr, (int)txs_write_ptr); - - txd_read_ptr = (u32) atomic_read(&adapter->txd_read_ptr); - txph = (struct tx_pkt_header *) - (((u8 *)adapter->txd_ring) + txd_read_ptr); - - if (txph->pkt_size != txs->pkt_size) { - struct tx_pkt_status *old_txs = txs; - printk(KERN_WARNING - "%s: txs packet size not consistent with txd" - " txd_:0x%08x, txs_:0x%08x!\n", - adapter->netdev->name, - *(u32 *)txph, *(u32 *)txs); - printk(KERN_WARNING - "txd read ptr: 0x%x\n", - txd_read_ptr); - txs = adapter->txs_ring + txs_write_ptr; - printk(KERN_WARNING - "txs-behind:0x%08x\n", - *(u32 *)txs); - if (txs_write_ptr < 2) { - txs = adapter->txs_ring + - (adapter->txs_ring_size + - txs_write_ptr - 2); - } else { - txs = adapter->txs_ring + (txs_write_ptr - 2); - } - printk(KERN_WARNING - "txs-before:0x%08x\n", - *(u32 *)txs); - txs = old_txs; - } - - /* 4for TPH */ - txd_read_ptr += (((u32)(txph->pkt_size) + 7) & ~3); - if (txd_read_ptr >= adapter->txd_ring_size) - txd_read_ptr -= adapter->txd_ring_size; - - atomic_set(&adapter->txd_read_ptr, (int)txd_read_ptr); - - /* tx statistics: */ - if (txs->ok) { - netdev->stats.tx_bytes += txs->pkt_size; - netdev->stats.tx_packets++; - } - else - netdev->stats.tx_errors++; - - if (txs->defer) - netdev->stats.collisions++; - if (txs->abort_col) - netdev->stats.tx_aborted_errors++; - if (txs->late_col) - netdev->stats.tx_window_errors++; - if (txs->underun) - netdev->stats.tx_fifo_errors++; - } while (1); - - if (free_hole) { - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) - netif_wake_queue(adapter->netdev); - } -} - -static void atl2_check_for_link(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - - spin_lock(&adapter->stats_lock); - atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->stats_lock); - - /* notify upper layer link down ASAP */ - if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - printk(KERN_INFO "%s: %s NIC Link is Down\n", - atl2_driver_name, netdev->name); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -static inline void atl2_clear_phy_int(struct atl2_adapter *adapter) -{ - u16 phy_data; - spin_lock(&adapter->stats_lock); - atl2_read_phy_reg(&adapter->hw, 19, &phy_data); - spin_unlock(&adapter->stats_lock); -} - -/* - * atl2_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl2_intr(int irq, void *data) -{ - struct atl2_adapter *adapter = netdev_priv(data); - struct atl2_hw *hw = &adapter->hw; - u32 status; - - status = ATL2_READ_REG(hw, REG_ISR); - if (0 == status) - return IRQ_NONE; - - /* link event */ - if (status & ISR_PHY) - atl2_clear_phy_int(adapter); - - /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ - ATL2_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); - - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - if (netif_running(adapter->netdev)) { /* reset MAC */ - ATL2_WRITE_REG(hw, REG_ISR, 0); - ATL2_WRITE_REG(hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(hw); - schedule_work(&adapter->reset_task); - return IRQ_HANDLED; - } - } - - /* check if DMA read/write error? */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - ATL2_WRITE_REG(hw, REG_ISR, 0); - ATL2_WRITE_REG(hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(hw); - schedule_work(&adapter->reset_task); - return IRQ_HANDLED; - } - - /* link event */ - if (status & (ISR_PHY | ISR_MANUAL)) { - adapter->netdev->stats.tx_carrier_errors++; - atl2_check_for_link(adapter); - } - - /* transmit event */ - if (status & ISR_TX_EVENT) - atl2_intr_tx(adapter); - - /* rx exception */ - if (status & ISR_RX_EVENT) - atl2_intr_rx(adapter); - - /* re-enable Interrupt */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); - return IRQ_HANDLED; -} - -static int atl2_request_irq(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int flags, err = 0; - - flags = IRQF_SHARED; - adapter->have_msi = true; - err = pci_enable_msi(adapter->pdev); - if (err) - adapter->have_msi = false; - - if (adapter->have_msi) - flags &= ~IRQF_SHARED; - - return request_irq(adapter->pdev->irq, atl2_intr, flags, netdev->name, - netdev); -} - -/* - * atl2_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl2_free_ring_resources(struct atl2_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - pci_free_consistent(pdev, adapter->ring_size, adapter->ring_vir_addr, - adapter->ring_dma); -} - -/* - * atl2_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl2_open(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - int err; - u32 val; - - /* disallow open during test */ - if (test_bit(__ATL2_TESTING, &adapter->flags)) - return -EBUSY; - - /* allocate transmit descriptors */ - err = atl2_setup_ring_resources(adapter); - if (err) - return err; - - err = atl2_init_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_init_hw; - } - - /* hardware has been reset, we need to reload some things */ - atl2_set_multi(netdev); - init_ring_ptrs(adapter); - - atl2_restore_vlan(adapter); - - if (atl2_configure(adapter)) { - err = -EIO; - goto err_config; - } - - err = atl2_request_irq(adapter); - if (err) - goto err_req_irq; - - clear_bit(__ATL2_DOWN, &adapter->flags); - - mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 4*HZ)); - - val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); - ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, - val | MASTER_CTRL_MANUAL_INT); - - atl2_irq_enable(adapter); - - return 0; - -err_init_hw: -err_req_irq: -err_config: - atl2_free_ring_resources(adapter); - atl2_reset_hw(&adapter->hw); - - return err; -} - -static void atl2_down(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__ATL2_DOWN, &adapter->flags); - - netif_tx_disable(netdev); - - /* reset MAC to disable all RX/TX */ - atl2_reset_hw(&adapter->hw); - msleep(1); - - atl2_irq_disable(adapter); - - del_timer_sync(&adapter->watchdog_timer); - del_timer_sync(&adapter->phy_config_timer); - clear_bit(0, &adapter->cfg_phy); - - netif_carrier_off(netdev); - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; -} - -static void atl2_free_irq(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - free_irq(adapter->pdev->irq, netdev); - -#ifdef CONFIG_PCI_MSI - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); -#endif -} - -/* - * atl2_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl2_close(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); - - atl2_down(adapter); - atl2_free_irq(adapter); - atl2_free_ring_resources(adapter); - - return 0; -} - -static inline int TxsFreeUnit(struct atl2_adapter *adapter) -{ - u32 txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); - - return (adapter->txs_next_clear >= txs_write_ptr) ? - (int) (adapter->txs_ring_size - adapter->txs_next_clear + - txs_write_ptr - 1) : - (int) (txs_write_ptr - adapter->txs_next_clear - 1); -} - -static inline int TxdFreeBytes(struct atl2_adapter *adapter) -{ - u32 txd_read_ptr = (u32)atomic_read(&adapter->txd_read_ptr); - - return (adapter->txd_write_ptr >= txd_read_ptr) ? - (int) (adapter->txd_ring_size - adapter->txd_write_ptr + - txd_read_ptr - 1) : - (int) (txd_read_ptr - adapter->txd_write_ptr - 1); -} - -static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct tx_pkt_header *txph; - u32 offset, copy_len; - int txs_unused; - int txbuf_unused; - - if (test_bit(__ATL2_DOWN, &adapter->flags)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - txs_unused = TxsFreeUnit(adapter); - txbuf_unused = TxdFreeBytes(adapter); - - if (skb->len + sizeof(struct tx_pkt_header) + 4 > txbuf_unused || - txs_unused < 1) { - /* not enough resources */ - netif_stop_queue(netdev); - return NETDEV_TX_BUSY; - } - - offset = adapter->txd_write_ptr; - - txph = (struct tx_pkt_header *) (((u8 *)adapter->txd_ring) + offset); - - *(u32 *)txph = 0; - txph->pkt_size = skb->len; - - offset += 4; - if (offset >= adapter->txd_ring_size) - offset -= adapter->txd_ring_size; - copy_len = adapter->txd_ring_size - offset; - if (copy_len >= skb->len) { - memcpy(((u8 *)adapter->txd_ring) + offset, skb->data, skb->len); - offset += ((u32)(skb->len + 3) & ~3); - } else { - memcpy(((u8 *)adapter->txd_ring)+offset, skb->data, copy_len); - memcpy((u8 *)adapter->txd_ring, skb->data+copy_len, - skb->len-copy_len); - offset = ((u32)(skb->len-copy_len + 3) & ~3); - } -#ifdef NETIF_F_HW_VLAN_TX - if (vlan_tx_tag_present(skb)) { - u16 vlan_tag = vlan_tx_tag_get(skb); - vlan_tag = (vlan_tag << 4) | - (vlan_tag >> 13) | - ((vlan_tag >> 9) & 0x8); - txph->ins_vlan = 1; - txph->vlan = vlan_tag; - } -#endif - if (offset >= adapter->txd_ring_size) - offset -= adapter->txd_ring_size; - adapter->txd_write_ptr = offset; - - /* clear txs before send */ - adapter->txs_ring[adapter->txs_next_clear].update = 0; - if (++adapter->txs_next_clear == adapter->txs_ring_size) - adapter->txs_next_clear = 0; - - ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX, - (adapter->txd_write_ptr >> 2)); - - mmiowb(); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; -} - -/* - * atl2_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl2_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - if ((new_mtu < 40) || (new_mtu > (ETH_DATA_LEN + VLAN_SIZE))) - return -EINVAL; - - /* set MTU */ - if (hw->max_frame_size != new_mtu) { - netdev->mtu = new_mtu; - ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ENET_HEADER_SIZE + - VLAN_SIZE + ETHERNET_FCS_SIZE); - } - - return 0; -} - -/* - * atl2_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl2_set_mac(struct net_device *netdev, void *p) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl2_set_mac_addr(&adapter->hw); - - return 0; -} - -/* - * atl2_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct mii_ioctl_data *data = if_mii(ifr); - unsigned long flags; - - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = 0; - break; - case SIOCGMIIREG: - spin_lock_irqsave(&adapter->stats_lock, flags); - if (atl2_read_phy_reg(&adapter->hw, - data->reg_num & 0x1F, &data->val_out)) { - spin_unlock_irqrestore(&adapter->stats_lock, flags); - return -EIO; - } - spin_unlock_irqrestore(&adapter->stats_lock, flags); - break; - case SIOCSMIIREG: - if (data->reg_num & ~(0x1F)) - return -EFAULT; - spin_lock_irqsave(&adapter->stats_lock, flags); - if (atl2_write_phy_reg(&adapter->hw, data->reg_num, - data->val_in)) { - spin_unlock_irqrestore(&adapter->stats_lock, flags); - return -EIO; - } - spin_unlock_irqrestore(&adapter->stats_lock, flags); - break; - default: - return -EOPNOTSUPP; - } - return 0; -} - -/* - * atl2_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl2_mii_ioctl(netdev, ifr, cmd); -#ifdef ETHTOOL_OPS_COMPAT - case SIOCETHTOOL: - return ethtool_ioctl(ifr); -#endif - default: - return -EOPNOTSUPP; - } -} - -/* - * atl2_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl2_tx_timeout(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->reset_task); -} - -/* - * atl2_watchdog - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl2_watchdog(unsigned long data) -{ - struct atl2_adapter *adapter = (struct atl2_adapter *) data; - - if (!test_bit(__ATL2_DOWN, &adapter->flags)) { - u32 drop_rxd, drop_rxs; - unsigned long flags; - - spin_lock_irqsave(&adapter->stats_lock, flags); - drop_rxd = ATL2_READ_REG(&adapter->hw, REG_STS_RXD_OV); - drop_rxs = ATL2_READ_REG(&adapter->hw, REG_STS_RXS_OV); - spin_unlock_irqrestore(&adapter->stats_lock, flags); - - adapter->netdev->stats.rx_over_errors += drop_rxd + drop_rxs; - - /* Reset the timer */ - mod_timer(&adapter->watchdog_timer, - round_jiffies(jiffies + 4 * HZ)); - } -} - -/* - * atl2_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl2_phy_config(unsigned long data) -{ - struct atl2_adapter *adapter = (struct atl2_adapter *) data; - struct atl2_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->stats_lock, flags); - atl2_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - atl2_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN | - MII_CR_RESTART_AUTO_NEG); - spin_unlock_irqrestore(&adapter->stats_lock, flags); - clear_bit(0, &adapter->cfg_phy); -} - -static int atl2_up(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err = 0; - u32 val; - - /* hardware has been reset, we need to reload some things */ - - err = atl2_init_hw(&adapter->hw); - if (err) { - err = -EIO; - return err; - } - - atl2_set_multi(netdev); - init_ring_ptrs(adapter); - - atl2_restore_vlan(adapter); - - if (atl2_configure(adapter)) { - err = -EIO; - goto err_up; - } - - clear_bit(__ATL2_DOWN, &adapter->flags); - - val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); - ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, val | - MASTER_CTRL_MANUAL_INT); - - atl2_irq_enable(adapter); - -err_up: - return err; -} - -static void atl2_reinit_locked(struct atl2_adapter *adapter) -{ - WARN_ON(in_interrupt()); - while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) - msleep(1); - atl2_down(adapter); - atl2_up(adapter); - clear_bit(__ATL2_RESETTING, &adapter->flags); -} - -static void atl2_reset_task(struct work_struct *work) -{ - struct atl2_adapter *adapter; - adapter = container_of(work, struct atl2_adapter, reset_task); - - atl2_reinit_locked(adapter); -} - -static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter) -{ - u32 value; - struct atl2_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; - - /* duplex */ - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - - /* flow control */ - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - - /* PAD & CRC */ - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - - /* preamble length */ - value |= (((u32)adapter->hw.preamble_len & MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - - /* vlan */ - __atl2_vlan_mode(netdev->features, &value); - - /* filter mode */ - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - - /* half retry buffer */ - value |= (((u32)(adapter->hw.retry_buf & - MAC_CTRL_HALF_LEFT_BUF_MASK)) << MAC_CTRL_HALF_LEFT_BUF_SHIFT); - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); -} - -static int atl2_check_link(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int ret_val; - u16 speed, duplex, phy_data; - int reconfig = 0; - - /* MII_BMSR must read twise */ - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - if (!(phy_data&BMSR_LSTATUS)) { /* link down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - u32 value; - /* disable rx */ - value = ATL2_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - return 0; - } - - /* Link Up */ - ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) - return ret_val; - switch (hw->MediaType) { - case MEDIA_TYPE_100M_FULL: - if (speed != SPEED_100 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_HALF: - if (speed != SPEED_100 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_FULL: - if (speed != SPEED_10 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_HALF: - if (speed != SPEED_10 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - } - /* link result is our setting */ - if (reconfig == 0) { - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl2_setup_mac_ctrl(adapter); - printk(KERN_INFO "%s: %s NIC Link is Up<%d Mbps %s>\n", - atl2_driver_name, netdev->name, - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "Full Duplex" : "Half Duplex"); - } - - if (!netif_carrier_ok(netdev)) { /* Link down -> Up */ - netif_carrier_on(netdev); - netif_wake_queue(netdev); - } - return 0; - } - - /* change original link status */ - if (netif_carrier_ok(netdev)) { - u32 value; - /* disable rx */ - value = ATL2_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); - - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - - /* auto-neg, insert timer to re-config phy - * (if interval smaller than 5 seconds, something strange) */ - if (!test_bit(__ATL2_DOWN, &adapter->flags)) { - if (!test_and_set_bit(0, &adapter->cfg_phy)) - mod_timer(&adapter->phy_config_timer, - round_jiffies(jiffies + 5 * HZ)); - } - - return 0; -} - -/* - * atl2_link_chg_task - deal with link change event Out of interrupt context - * @netdev: network interface device structure - */ -static void atl2_link_chg_task(struct work_struct *work) -{ - struct atl2_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atl2_adapter, link_chg_task); - - spin_lock_irqsave(&adapter->stats_lock, flags); - atl2_check_link(adapter); - spin_unlock_irqrestore(&adapter->stats_lock, flags); -} - -static void atl2_setup_pcicmd(struct pci_dev *pdev) -{ - u16 cmd; - - pci_read_config_word(pdev, PCI_COMMAND, &cmd); - - if (cmd & PCI_COMMAND_INTX_DISABLE) - cmd &= ~PCI_COMMAND_INTX_DISABLE; - if (cmd & PCI_COMMAND_IO) - cmd &= ~PCI_COMMAND_IO; - if (0 == (cmd & PCI_COMMAND_MEMORY)) - cmd |= PCI_COMMAND_MEMORY; - if (0 == (cmd & PCI_COMMAND_MASTER)) - cmd |= PCI_COMMAND_MASTER; - pci_write_config_word(pdev, PCI_COMMAND, cmd); - - /* - * some motherboards BIOS(PXE/EFI) driver may set PME - * while they transfer control to OS (Windows/Linux) - * so we should clear this bit before NIC work normally - */ - pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void atl2_poll_controller(struct net_device *netdev) -{ - disable_irq(netdev->irq); - atl2_intr(netdev->irq, netdev); - enable_irq(netdev->irq); -} -#endif - - -static const struct net_device_ops atl2_netdev_ops = { - .ndo_open = atl2_open, - .ndo_stop = atl2_close, - .ndo_start_xmit = atl2_xmit_frame, - .ndo_set_multicast_list = atl2_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl2_set_mac, - .ndo_change_mtu = atl2_change_mtu, - .ndo_fix_features = atl2_fix_features, - .ndo_set_features = atl2_set_features, - .ndo_do_ioctl = atl2_ioctl, - .ndo_tx_timeout = atl2_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl2_poll_controller, -#endif -}; - -/* - * atl2_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl2_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl2_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl2_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl2_adapter *adapter; - static int cards_found; - unsigned long mmio_start; - int mmio_len; - int err; - - cards_found = 0; - - err = pci_enable_device(pdev); - if (err) - return err; - - /* - * atl2 is a shared-high-32-bit device, so we're stuck with 32-bit DMA - * until the kernel has the proper infrastructure to support 64-bit DMA - * on these devices. - */ - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n"); - goto err_dma; - } - - /* Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl2_driver_name */ - err = pci_request_regions(pdev, atl2_driver_name); - if (err) - goto err_pci_reg; - - /* Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings */ - pci_set_master(pdev); - - err = -ENOMEM; - netdev = alloc_etherdev(sizeof(struct atl2_adapter)); - if (!netdev) - goto err_alloc_etherdev; - - SET_NETDEV_DEV(netdev, &pdev->dev); - - pci_set_drvdata(pdev, netdev); - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.back = adapter; - - mmio_start = pci_resource_start(pdev, 0x0); - mmio_len = pci_resource_len(pdev, 0x0); - - adapter->hw.mem_rang = (u32)mmio_len; - adapter->hw.hw_addr = ioremap(mmio_start, mmio_len); - if (!adapter->hw.hw_addr) { - err = -EIO; - goto err_ioremap; - } - - atl2_setup_pcicmd(pdev); - - netdev->netdev_ops = &atl2_netdev_ops; - atl2_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; - strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); - - netdev->mem_start = mmio_start; - netdev->mem_end = mmio_start + mmio_len; - adapter->bd_number = cards_found; - adapter->pci_using_64 = false; - - /* setup the private structure */ - err = atl2_sw_init(adapter); - if (err) - goto err_sw_init; - - err = -EIO; - - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - - /* Init PHY as early as possible due to power saving issue */ - atl2_phy_init(&adapter->hw); - - /* reset the controller to - * put the device in a known good starting state */ - - if (atl2_reset_hw(&adapter->hw)) { - err = -EIO; - goto err_reset; - } - - /* copy the MAC address out of the EEPROM */ - atl2_read_mac_addr(&adapter->hw); - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); -/* FIXME: do we still need this? */ -#ifdef ETHTOOL_GPERMADDR - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - - if (!is_valid_ether_addr(netdev->perm_addr)) { -#else - if (!is_valid_ether_addr(netdev->dev_addr)) { -#endif - err = -EIO; - goto err_eeprom; - } - - atl2_check_options(adapter); - - init_timer(&adapter->watchdog_timer); - adapter->watchdog_timer.function = atl2_watchdog; - adapter->watchdog_timer.data = (unsigned long) adapter; - - init_timer(&adapter->phy_config_timer); - adapter->phy_config_timer.function = atl2_phy_config; - adapter->phy_config_timer.data = (unsigned long) adapter; - - INIT_WORK(&adapter->reset_task, atl2_reset_task); - INIT_WORK(&adapter->link_chg_task, atl2_link_chg_task); - - strcpy(netdev->name, "eth%d"); /* ?? */ - err = register_netdev(netdev); - if (err) - goto err_register; - - /* assume we have no link for now */ - netif_carrier_off(netdev); - netif_stop_queue(netdev); - - cards_found++; - - return 0; - -err_reset: -err_register: -err_sw_init: -err_eeprom: - iounmap(adapter->hw.hw_addr); -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/* - * atl2_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl2_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -/* FIXME: write the original MAC address back in case it was changed from a - * BIOS-set value, as in atl1 -- CHS */ -static void __devexit atl2_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - - /* flush_scheduled work may reschedule our watchdog task, so - * explicitly disable watchdog tasks from being rescheduled */ - set_bit(__ATL2_DOWN, &adapter->flags); - - del_timer_sync(&adapter->watchdog_timer); - del_timer_sync(&adapter->phy_config_timer); - cancel_work_sync(&adapter->reset_task); - cancel_work_sync(&adapter->link_chg_task); - - unregister_netdev(netdev); - - atl2_force_ps(&adapter->hw); - - iounmap(adapter->hw.hw_addr); - pci_release_regions(pdev); - - free_netdev(netdev); - - pci_disable_device(pdev); -} - -static int atl2_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u16 speed, duplex; - u32 ctrl = 0; - u32 wufc = adapter->wol; - -#ifdef CONFIG_PM - int retval = 0; -#endif - - netif_device_detach(netdev); - - if (netif_running(netdev)) { - WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); - atl2_down(adapter); - } - -#ifdef CONFIG_PM - retval = pci_save_state(pdev); - if (retval) - return retval; -#endif - - atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); - atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); - if (ctrl & BMSR_LSTATUS) - wufc &= ~ATLX_WUFC_LNKC; - - if (0 != (ctrl & BMSR_LSTATUS) && 0 != wufc) { - u32 ret_val; - /* get current link speed & duplex */ - ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) { - printk(KERN_DEBUG - "%s: get speed&duplex error while suspend\n", - atl2_driver_name); - goto wol_dis; - } - - ctrl = 0; - - /* turn on magic packet wol */ - if (wufc & ATLX_WUFC_MAG) - ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); - - /* ignore Link Chg event when Link is up */ - ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); - - /* Config MAC CTRL Register */ - ctrl = MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; - if (FULL_DUPLEX == adapter->link_duplex) - ctrl |= MAC_CTRL_DUPLX; - ctrl |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - ctrl |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - ctrl |= (((u32)(adapter->hw.retry_buf & - MAC_CTRL_HALF_LEFT_BUF_MASK)) << - MAC_CTRL_HALF_LEFT_BUF_SHIFT); - if (wufc & ATLX_WUFC_MAG) { - /* magic packet maybe Broadcast&multicast&Unicast */ - ctrl |= MAC_CTRL_BC_EN; - } - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, ctrl); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto suspend_exit; - } - - if (0 == (ctrl&BMSR_LSTATUS) && 0 != (wufc&ATLX_WUFC_LNKC)) { - /* link is down, so only LINK CHG WOL event enable */ - ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); - ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); - ATL2_WRITE_REG(hw, REG_MAC_CTRL, 0); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - - goto suspend_exit; - } - -wol_dis: - /* WOL disabled */ - ATL2_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - atl2_force_ps(hw); - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); - -suspend_exit: - if (netif_running(netdev)) - atl2_free_irq(adapter); - - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - return 0; -} - -#ifdef CONFIG_PM -static int atl2_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - u32 err; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR - "atl2: Cannot enable PCI device from suspend\n"); - return err; - } - - pci_set_master(pdev); - - ATL2_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - ATL2_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); - - if (netif_running(netdev)) { - err = atl2_request_irq(adapter); - if (err) - return err; - } - - atl2_reset_hw(&adapter->hw); - - if (netif_running(netdev)) - atl2_up(adapter); - - netif_device_attach(netdev); - - return 0; -} -#endif - -static void atl2_shutdown(struct pci_dev *pdev) -{ - atl2_suspend(pdev, PMSG_SUSPEND); -} - -static struct pci_driver atl2_driver = { - .name = atl2_driver_name, - .id_table = atl2_pci_tbl, - .probe = atl2_probe, - .remove = __devexit_p(atl2_remove), - /* Power Management Hooks */ - .suspend = atl2_suspend, -#ifdef CONFIG_PM - .resume = atl2_resume, -#endif - .shutdown = atl2_shutdown, -}; - -/* - * atl2_init_module - Driver Registration Routine - * - * atl2_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl2_init_module(void) -{ - printk(KERN_INFO "%s - version %s\n", atl2_driver_string, - atl2_driver_version); - printk(KERN_INFO "%s\n", atl2_copyright); - return pci_register_driver(&atl2_driver); -} -module_init(atl2_init_module); - -/* - * atl2_exit_module - Driver Exit Cleanup Routine - * - * atl2_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl2_exit_module(void) -{ - pci_unregister_driver(&atl2_driver); -} -module_exit(atl2_exit_module); - -static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) -{ - struct atl2_adapter *adapter = hw->back; - pci_read_config_word(adapter->pdev, reg, value); -} - -static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) -{ - struct atl2_adapter *adapter = hw->back; - pci_write_config_word(adapter->pdev, reg, *value); -} - -static int atl2_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP); - ecmd->advertising = ADVERTISED_TP; - - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= hw->autoneg_advertised; - - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (adapter->link_speed != SPEED_0) { - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = AUTONEG_ENABLE; - return 0; -} - -static int atl2_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { -#define MY_ADV_MASK (ADVERTISE_10_HALF | \ - ADVERTISE_10_FULL | \ - ADVERTISE_100_HALF| \ - ADVERTISE_100_FULL) - - if ((ecmd->advertising & MY_ADV_MASK) == MY_ADV_MASK) { - hw->MediaType = MEDIA_TYPE_AUTO_SENSOR; - hw->autoneg_advertised = MY_ADV_MASK; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_100_FULL) { - hw->MediaType = MEDIA_TYPE_100M_FULL; - hw->autoneg_advertised = ADVERTISE_100_FULL; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_100_HALF) { - hw->MediaType = MEDIA_TYPE_100M_HALF; - hw->autoneg_advertised = ADVERTISE_100_HALF; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_10_FULL) { - hw->MediaType = MEDIA_TYPE_10M_FULL; - hw->autoneg_advertised = ADVERTISE_10_FULL; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_10_HALF) { - hw->MediaType = MEDIA_TYPE_10M_HALF; - hw->autoneg_advertised = ADVERTISE_10_HALF; - } else { - clear_bit(__ATL2_RESETTING, &adapter->flags); - return -EINVAL; - } - ecmd->advertising = hw->autoneg_advertised | - ADVERTISED_TP | ADVERTISED_Autoneg; - } else { - clear_bit(__ATL2_RESETTING, &adapter->flags); - return -EINVAL; - } - - /* reset the link */ - if (netif_running(adapter->netdev)) { - atl2_down(adapter); - atl2_up(adapter); - } else - atl2_reset_hw(&adapter->hw); - - clear_bit(__ATL2_RESETTING, &adapter->flags); - return 0; -} - -static u32 atl2_get_msglevel(struct net_device *netdev) -{ - return 0; -} - -/* - * It's sane for this to be empty, but we might want to take advantage of this. - */ -static void atl2_set_msglevel(struct net_device *netdev, u32 data) -{ -} - -static int atl2_get_regs_len(struct net_device *netdev) -{ -#define ATL2_REGS_LEN 42 - return sizeof(u32) * ATL2_REGS_LEN; -} - -static void atl2_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, sizeof(u32) * ATL2_REGS_LEN); - - regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; - - regs_buff[0] = ATL2_READ_REG(hw, REG_VPD_CAP); - regs_buff[1] = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - regs_buff[2] = ATL2_READ_REG(hw, REG_SPI_FLASH_CONFIG); - regs_buff[3] = ATL2_READ_REG(hw, REG_TWSI_CTRL); - regs_buff[4] = ATL2_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); - regs_buff[5] = ATL2_READ_REG(hw, REG_MASTER_CTRL); - regs_buff[6] = ATL2_READ_REG(hw, REG_MANUAL_TIMER_INIT); - regs_buff[7] = ATL2_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); - regs_buff[8] = ATL2_READ_REG(hw, REG_PHY_ENABLE); - regs_buff[9] = ATL2_READ_REG(hw, REG_CMBDISDMA_TIMER); - regs_buff[10] = ATL2_READ_REG(hw, REG_IDLE_STATUS); - regs_buff[11] = ATL2_READ_REG(hw, REG_MDIO_CTRL); - regs_buff[12] = ATL2_READ_REG(hw, REG_SERDES_LOCK); - regs_buff[13] = ATL2_READ_REG(hw, REG_MAC_CTRL); - regs_buff[14] = ATL2_READ_REG(hw, REG_MAC_IPG_IFG); - regs_buff[15] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); - regs_buff[16] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR+4); - regs_buff[17] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE); - regs_buff[18] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE+4); - regs_buff[19] = ATL2_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); - regs_buff[20] = ATL2_READ_REG(hw, REG_MTU); - regs_buff[21] = ATL2_READ_REG(hw, REG_WOL_CTRL); - regs_buff[22] = ATL2_READ_REG(hw, REG_SRAM_TXRAM_END); - regs_buff[23] = ATL2_READ_REG(hw, REG_DESC_BASE_ADDR_HI); - regs_buff[24] = ATL2_READ_REG(hw, REG_TXD_BASE_ADDR_LO); - regs_buff[25] = ATL2_READ_REG(hw, REG_TXD_MEM_SIZE); - regs_buff[26] = ATL2_READ_REG(hw, REG_TXS_BASE_ADDR_LO); - regs_buff[27] = ATL2_READ_REG(hw, REG_TXS_MEM_SIZE); - regs_buff[28] = ATL2_READ_REG(hw, REG_RXD_BASE_ADDR_LO); - regs_buff[29] = ATL2_READ_REG(hw, REG_RXD_BUF_NUM); - regs_buff[30] = ATL2_READ_REG(hw, REG_DMAR); - regs_buff[31] = ATL2_READ_REG(hw, REG_TX_CUT_THRESH); - regs_buff[32] = ATL2_READ_REG(hw, REG_DMAW); - regs_buff[33] = ATL2_READ_REG(hw, REG_PAUSE_ON_TH); - regs_buff[34] = ATL2_READ_REG(hw, REG_PAUSE_OFF_TH); - regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX); - regs_buff[36] = ATL2_READ_REG(hw, REG_MB_RXD_RD_IDX); - regs_buff[38] = ATL2_READ_REG(hw, REG_ISR); - regs_buff[39] = ATL2_READ_REG(hw, REG_IMR); - - atl2_read_phy_reg(hw, MII_BMCR, &phy_data); - regs_buff[40] = (u32)phy_data; - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - regs_buff[41] = (u32)phy_data; -} - -static int atl2_get_eeprom_len(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - if (!atl2_check_eeprom_exist(&adapter->hw)) - return 512; - else - return 0; -} - -static int atl2_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *eeprom_buff; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EINVAL; - - if (atl2_check_eeprom_exist(hw)) - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - - eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1), - GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - for (i = first_dword; i < last_dword; i++) { - if (!atl2_read_eeprom(hw, i*4, &(eeprom_buff[i-first_dword]))) { - ret_val = -EIO; - goto free; - } - } - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), - eeprom->len); -free: - kfree(eeprom_buff); - - return ret_val; -} - -static int atl2_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *eeprom_buff; - u32 *ptr; - int max_len, first_dword, last_dword, ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) - return -EFAULT; - - max_len = 512; - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(max_len, GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - ptr = eeprom_buff; - - if (eeprom->offset & 3) { - /* need read/modify/write of first changed EEPROM word */ - /* only the second byte of the word is being modified */ - if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) { - ret_val = -EIO; - goto out; - } - ptr++; - } - if (((eeprom->offset + eeprom->len) & 3)) { - /* - * need read/modify/write of last changed EEPROM word - * only the first byte of the word is being modified - */ - if (!atl2_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) { - ret_val = -EIO; - goto out; - } - } - - /* Device's eeprom is always little-endian, word addressable */ - memcpy(ptr, bytes, eeprom->len); - - for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) { - ret_val = -EIO; - goto out; - } - } - out: - kfree(eeprom_buff); - return ret_val; -} - -static void atl2_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - strncpy(drvinfo->driver, atl2_driver_name, 32); - strncpy(drvinfo->version, atl2_driver_version, 32); - strncpy(drvinfo->fw_version, "L2", 32); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_stats = 0; - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = atl2_get_regs_len(netdev); - drvinfo->eedump_len = atl2_get_eeprom_len(netdev); -} - -static void atl2_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC; - wol->wolopts = 0; - - if (adapter->wol & ATLX_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & ATLX_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & ATLX_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & ATLX_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; - if (adapter->wol & ATLX_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - - if (wol->wolopts & (WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) - return -EOPNOTSUPP; - - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= ATLX_WUFC_MAG; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= ATLX_WUFC_LNKC; - - return 0; -} - -static int atl2_nway_reset(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - atl2_reinit_locked(adapter); - return 0; -} - -static const struct ethtool_ops atl2_ethtool_ops = { - .get_settings = atl2_get_settings, - .set_settings = atl2_set_settings, - .get_drvinfo = atl2_get_drvinfo, - .get_regs_len = atl2_get_regs_len, - .get_regs = atl2_get_regs, - .get_wol = atl2_get_wol, - .set_wol = atl2_set_wol, - .get_msglevel = atl2_get_msglevel, - .set_msglevel = atl2_set_msglevel, - .nway_reset = atl2_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = atl2_get_eeprom_len, - .get_eeprom = atl2_get_eeprom, - .set_eeprom = atl2_set_eeprom, -}; - -static void atl2_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &atl2_ethtool_ops); -} - -#define LBYTESWAP(a) ((((a) & 0x00ff00ff) << 8) | \ - (((a) & 0xff00ff00) >> 8)) -#define LONGSWAP(a) ((LBYTESWAP(a) << 16) | (LBYTESWAP(a) >> 16)) -#define SHORTSWAP(a) (((a) << 8) | ((a) >> 8)) - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static s32 atl2_reset_hw(struct atl2_hw *hw) -{ - u32 icr; - u16 pci_cfg_cmd_word; - int i; - - /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ - atl2_read_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); - if ((pci_cfg_cmd_word & - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) != - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) { - pci_cfg_cmd_word |= - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER); - atl2_write_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); - } - - /* Clear Interrupt mask to stop board from generating - * interrupts & Clear any pending interrupt events - */ - /* FIXME */ - /* ATL2_WRITE_REG(hw, REG_IMR, 0); */ - /* ATL2_WRITE_REG(hw, REG_ISR, 0xffffffff); */ - - /* Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST); - wmb(); - msleep(1); /* delay about 1ms */ - - /* Wait at least 10ms for All module to be Idle */ - for (i = 0; i < 10; i++) { - icr = ATL2_READ_REG(hw, REG_IDLE_STATUS); - if (!icr) - break; - msleep(1); /* delay 1 ms */ - cpu_relax(); - } - - if (icr) - return icr; - - return 0; -} - -#define CUSTOM_SPI_CS_SETUP 2 -#define CUSTOM_SPI_CLK_HI 2 -#define CUSTOM_SPI_CLK_LO 2 -#define CUSTOM_SPI_CS_HOLD 2 -#define CUSTOM_SPI_CS_HI 3 - -static struct atl2_spi_flash_dev flash_table[] = -{ -/* MFR WRSR READ PROGRAM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */ -{"Atmel", 0x0, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62 }, -{"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60 }, -{"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7 }, -}; - -static bool atl2_spi_read(struct atl2_hw *hw, u32 addr, u32 *buf) -{ - int i; - u32 value; - - ATL2_WRITE_REG(hw, REG_SPI_DATA, 0); - ATL2_WRITE_REG(hw, REG_SPI_ADDR, addr); - - value = SPI_FLASH_CTRL_WAIT_READY | - (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << - SPI_FLASH_CTRL_CS_SETUP_SHIFT | - (CUSTOM_SPI_CLK_HI & SPI_FLASH_CTRL_CLK_HI_MASK) << - SPI_FLASH_CTRL_CLK_HI_SHIFT | - (CUSTOM_SPI_CLK_LO & SPI_FLASH_CTRL_CLK_LO_MASK) << - SPI_FLASH_CTRL_CLK_LO_SHIFT | - (CUSTOM_SPI_CS_HOLD & SPI_FLASH_CTRL_CS_HOLD_MASK) << - SPI_FLASH_CTRL_CS_HOLD_SHIFT | - (CUSTOM_SPI_CS_HI & SPI_FLASH_CTRL_CS_HI_MASK) << - SPI_FLASH_CTRL_CS_HI_SHIFT | - (0x1 & SPI_FLASH_CTRL_INS_MASK) << SPI_FLASH_CTRL_INS_SHIFT; - - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - - value |= SPI_FLASH_CTRL_START; - - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - - for (i = 0; i < 10; i++) { - msleep(1); - value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (!(value & SPI_FLASH_CTRL_START)) - break; - } - - if (value & SPI_FLASH_CTRL_START) - return false; - - *buf = ATL2_READ_REG(hw, REG_SPI_DATA); - - return true; -} - -/* - * get_permanent_address - * return 0 if get valid mac address, - */ -static int get_permanent_address(struct atl2_hw *hw) -{ - u32 Addr[2]; - u32 i, Control; - u16 Register; - u8 EthAddr[NODE_ADDRESS_SIZE]; - bool KeyValid; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - Addr[0] = 0; - Addr[1] = 0; - - if (!atl2_check_eeprom_exist(hw)) { /* eeprom exists */ - Register = 0; - KeyValid = false; - - /* Read out all EEPROM content */ - i = 0; - while (1) { - if (atl2_read_eeprom(hw, i + 0x100, &Control)) { - if (KeyValid) { - if (Register == REG_MAC_STA_ADDR) - Addr[0] = Control; - else if (Register == - (REG_MAC_STA_ADDR + 4)) - Addr[1] = Control; - KeyValid = false; - } else if ((Control & 0xff) == 0x5A) { - KeyValid = true; - Register = (u16) (Control >> 16); - } else { - /* assume data end while encount an invalid KEYWORD */ - break; - } - } else { - break; /* read error */ - } - i += 4; - } - - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); - - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - return 1; - } - - /* see if SPI flash exists? */ - Addr[0] = 0; - Addr[1] = 0; - Register = 0; - KeyValid = false; - i = 0; - while (1) { - if (atl2_spi_read(hw, i + 0x1f000, &Control)) { - if (KeyValid) { - if (Register == REG_MAC_STA_ADDR) - Addr[0] = Control; - else if (Register == (REG_MAC_STA_ADDR + 4)) - Addr[1] = Control; - KeyValid = false; - } else if ((Control & 0xff) == 0x5A) { - KeyValid = true; - Register = (u16) (Control >> 16); - } else { - break; /* data end */ - } - } else { - break; /* read error */ - } - i += 4; - } - - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *)&Addr[1]); - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - /* maybe MAC-address is from BIOS */ - Addr[0] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); - Addr[1] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR + 4); - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); - - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - - return 1; -} - -/* - * Reads the adapter's MAC address from the EEPROM - * - * hw - Struct containing variables accessed by shared code - */ -static s32 atl2_read_mac_addr(struct atl2_hw *hw) -{ - u16 i; - - if (get_permanent_address(hw)) { - /* for test */ - /* FIXME: shouldn't we use random_ether_addr() here? */ - hw->perm_mac_addr[0] = 0x00; - hw->perm_mac_addr[1] = 0x13; - hw->perm_mac_addr[2] = 0x74; - hw->perm_mac_addr[3] = 0x00; - hw->perm_mac_addr[4] = 0x5c; - hw->perm_mac_addr[5] = 0x38; - } - - for (i = 0; i < NODE_ADDRESS_SIZE; i++) - hw->mac_addr[i] = hw->perm_mac_addr[i]; - - return 0; -} - -/* - * Hashes an address to determine its location in the multicast table - * - * hw - Struct containing variables accessed by shared code - * mc_addr - the multicast address to hash - * - * atl2_hash_mc_addr - * purpose - * set hash value for a multicast address - * hash calcu processing : - * 1. calcu 32bit CRC for multicast address - * 2. reverse crc with MSB to LSB - */ -static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr) -{ - u32 crc32, value; - int i; - - value = 0; - crc32 = ether_crc_le(6, mc_addr); - - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - - mta = ATL2_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); - - mta |= (1 << hash_bit); - - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); -} - -/* - * atl2_init_pcie - init PCIE module - */ -static void atl2_init_pcie(struct atl2_hw *hw) -{ - u32 value; - value = LTSSM_TEST_MODE_DEF; - ATL2_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); - - value = PCIE_DLL_TX_CTRL1_DEF; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, value); -} - -static void atl2_init_flash_opcode(struct atl2_hw *hw) -{ - if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) - hw->flash_vendor = 0; /* ATMEL */ - - /* Init OP table */ - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_PROGRAM, - flash_table[hw->flash_vendor].cmdPROGRAM); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_SC_ERASE, - flash_table[hw->flash_vendor].cmdSECTOR_ERASE); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_CHIP_ERASE, - flash_table[hw->flash_vendor].cmdCHIP_ERASE); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDID, - flash_table[hw->flash_vendor].cmdRDID); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WREN, - flash_table[hw->flash_vendor].cmdWREN); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDSR, - flash_table[hw->flash_vendor].cmdRDSR); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WRSR, - flash_table[hw->flash_vendor].cmdWRSR); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_READ, - flash_table[hw->flash_vendor].cmdREAD); -} - -/******************************************************************** -* Performs basic configuration of the adapter. -* -* hw - Struct containing variables accessed by shared code -* Assumes that the controller has previously been reset and is in a -* post-reset uninitialized state. Initializes multicast table, -* and Calls routines to setup link -* Leaves the transmit and receive units disabled and uninitialized. -********************************************************************/ -static s32 atl2_init_hw(struct atl2_hw *hw) -{ - u32 ret_val = 0; - - atl2_init_pcie(hw); - - /* Zero out the Multicast HASH table */ - /* clear the old settings from the multicast hash table */ - ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - atl2_init_flash_opcode(hw); - - ret_val = atl2_phy_init(hw); - - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, - u16 *duplex) -{ - s32 ret_val; - u16 phy_data; - - /* Read PHY Specific Status Register (17) */ - ret_val = atl2_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); - if (ret_val) - return ret_val; - - if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) - return ATLX_ERR_PHY_RES; - - switch (phy_data & MII_ATLX_PSSR_SPEED) { - case MII_ATLX_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_ATLX_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - return ATLX_ERR_PHY_SPEED; - break; - } - - if (phy_data & MII_ATLX_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | - MDIO_SUP_PREAMBLE | - MDIO_RW | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16)val; - return 0; - } - - return ATLX_ERR_PHY; -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - - wmb(); - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return ATLX_ERR_PHY; -} - -/* - * Configures PHY autoneg and flow control advertisement settings - * - * hw - Struct containing variables accessed by shared code - */ -static s32 atl2_phy_setup_autoneg_adv(struct atl2_hw *hw) -{ - s32 ret_val; - s16 mii_autoneg_adv_reg; - - /* Read the MII Auto-Neg Advertisement Register (Address 4). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - - /* Need to parse autoneg_advertised and set up - * the appropriate PHY registers. First we will parse for - * autoneg_advertised software override. Since we can advertise - * a plethora of combinations, we need to check each bit - * individually. - */ - - /* First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T Control Register (Address 9). */ - mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; - - /* Need to parse MediaType and setup the - * appropriate PHY registers. */ - switch (hw->MediaType) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= - (MII_AR_10T_HD_CAPS | - MII_AR_10T_FD_CAPS | - MII_AR_100TX_HD_CAPS| - MII_AR_100TX_FD_CAPS); - hw->autoneg_advertised = - ADVERTISE_10_HALF | - ADVERTISE_10_FULL | - ADVERTISE_100_HALF| - ADVERTISE_100_FULL; - break; - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; - hw->autoneg_advertised = ADVERTISE_100_FULL; - break; - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; - hw->autoneg_advertised = ADVERTISE_100_HALF; - break; - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; - hw->autoneg_advertised = ADVERTISE_10_FULL; - break; - default: - mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; - hw->autoneg_advertised = ADVERTISE_10_HALF; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - - ret_val = atl2_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - - if (ret_val) - return ret_val; - - return 0; -} - -/* - * Resets the PHY and make all config validate - * - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) - */ -static s32 atl2_phy_commit(struct atl2_hw *hw) -{ - s32 ret_val; - u16 phy_data; - - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG; - ret_val = atl2_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /* pcie serdes link may be down ! */ - for (i = 0; i < 25; i++) { - msleep(1); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (0 != (val & (MDIO_START | MDIO_BUSY))) { - printk(KERN_ERR "atl2: PCIe link down for at least 25ms !\n"); - return ret_val; - } - } - return 0; -} - -static s32 atl2_phy_init(struct atl2_hw *hw) -{ - s32 ret_val; - u16 phy_val; - - if (hw->phy_configured) - return 0; - - /* Enable PHY */ - ATL2_WRITE_REGW(hw, REG_PHY_ENABLE, 1); - ATL2_WRITE_FLUSH(hw); - msleep(1); - - /* check if the PHY is in powersaving mode */ - atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); - atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); - - /* 024E / 124E 0r 0274 / 1274 ? */ - if (phy_val & 0x1000) { - phy_val &= ~0x1000; - atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val); - } - - msleep(1); - - /*Enable PHY LinkChange Interrupt */ - ret_val = atl2_write_phy_reg(hw, 18, 0xC00); - if (ret_val) - return ret_val; - - /* setup AutoNeg parameters */ - ret_val = atl2_phy_setup_autoneg_adv(hw); - if (ret_val) - return ret_val; - - /* SW.Reset & En-Auto-Neg to restart Auto-Neg */ - ret_val = atl2_phy_commit(hw); - if (ret_val) - return ret_val; - - hw->phy_configured = true; - - return ret_val; -} - -static void atl2_set_mac_addr(struct atl2_hw *hw) -{ - u32 value; - /* 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])); - ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); - /* hight dword */ - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])); - ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); -} - -/* - * check_eeprom_exist - * return 0 if eeprom exist - */ -static int atl2_check_eeprom_exist(struct atl2_hw *hw) -{ - u32 value; - - value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - } - value = ATL2_READ_REGW(hw, REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -/* FIXME: This doesn't look right. -- CHS */ -static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value) -{ - return true; -} - -static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue) -{ - int i; - u32 Control; - - if (Offset & 0x3) - return false; /* address do not align */ - - ATL2_WRITE_REG(hw, REG_VPD_DATA, 0); - Control = (Offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - ATL2_WRITE_REG(hw, REG_VPD_CAP, Control); - - for (i = 0; i < 10; i++) { - msleep(2); - Control = ATL2_READ_REG(hw, REG_VPD_CAP); - if (Control & VPD_CAP_VPD_FLAG) - break; - } - - if (Control & VPD_CAP_VPD_FLAG) { - *pValue = ATL2_READ_REG(hw, REG_VPD_DATA); - return true; - } - return false; /* timeout */ -} - -static void atl2_force_ps(struct atl2_hw *hw) -{ - u16 phy_val; - - atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); - atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); - atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val | 0x1000); - - atl2_write_phy_reg(hw, MII_DBG_ADDR, 2); - atl2_write_phy_reg(hw, MII_DBG_DATA, 0x3000); - atl2_write_phy_reg(hw, MII_DBG_ADDR, 3); - atl2_write_phy_reg(hw, MII_DBG_DATA, 0); -} - -/* This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ -#define ATL2_MAX_NIC 4 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -/* All parameters are treated the same, as an integer array of values. - * This macro just reduces the need to repeat the same declaration code - * over and over (plus this helps to avoid typo bugs). - */ -#define ATL2_PARAM_INIT {[0 ... ATL2_MAX_NIC] = OPTION_UNSET} -#ifndef module_param_array -/* Module Parameters are always initialized to -1, so that the driver - * can tell the difference between no user specified value or the - * user asking for the default value. - * The true default values are loaded in when atl2_check_options is called. - * - * This is a GCC extension to ANSI C. - * See the item "Labeled Elements in Initializers" in the section - * "Extensions to the C Language Family" of the GCC documentation. - */ - -#define ATL2_PARAM(X, desc) \ - static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \ - MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \ - MODULE_PARM_DESC(X, desc); -#else -#define ATL2_PARAM(X, desc) \ - static int __devinitdata X[ATL2_MAX_NIC+1] = ATL2_PARAM_INIT; \ - static unsigned int num_##X; \ - module_param_array_named(X, X, int, &num_##X, 0); \ - MODULE_PARM_DESC(X, desc); -#endif - -/* - * Transmit Memory Size - * Valid Range: 64-2048 - * Default Value: 128 - */ -#define ATL2_MIN_TX_MEMSIZE 4 /* 4KB */ -#define ATL2_MAX_TX_MEMSIZE 64 /* 64KB */ -#define ATL2_DEFAULT_TX_MEMSIZE 8 /* 8KB */ -ATL2_PARAM(TxMemSize, "Bytes of Transmit Memory"); - -/* - * Receive Memory Block Count - * Valid Range: 16-512 - * Default Value: 128 - */ -#define ATL2_MIN_RXD_COUNT 16 -#define ATL2_MAX_RXD_COUNT 512 -#define ATL2_DEFAULT_RXD_COUNT 64 -ATL2_PARAM(RxMemBlock, "Number of receive memory block"); - -/* - * User Specified MediaType Override - * - * Valid Range: 0-5 - * - 0 - auto-negotiate at all supported speeds - * - 1 - only link at 1000Mbps Full Duplex - * - 2 - only link at 100Mbps Full Duplex - * - 3 - only link at 100Mbps Half Duplex - * - 4 - only link at 10Mbps Full Duplex - * - 5 - only link at 10Mbps Half Duplex - * Default Value: 0 - */ -ATL2_PARAM(MediaType, "MediaType Select"); - -/* - * Interrupt Moderate Timer in units of 2048 ns (~2 us) - * Valid Range: 10-65535 - * Default Value: 45000(90ms) - */ -#define INT_MOD_DEFAULT_CNT 100 /* 200us */ -#define INT_MOD_MAX_CNT 65000 -#define INT_MOD_MIN_CNT 50 -ATL2_PARAM(IntModTimer, "Interrupt Moderator Timer"); - -/* - * FlashVendor - * Valid Range: 0-2 - * 0 - Atmel - * 1 - SST - * 2 - ST - */ -ATL2_PARAM(FlashVendor, "SPI Flash Vendor"); - -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define FLASH_VENDOR_DEFAULT 0 -#define FLASH_VENDOR_MIN 0 -#define FLASH_VENDOR_MAX 2 - -struct atl2_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl2_opt_list { int i; char *str; } *p; - } l; - } arg; -}; - -static int __devinit atl2_validate_option(int *value, struct atl2_option *opt) -{ - int i; - struct atl2_opt_list *ent; - - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - printk(KERN_INFO "%s Enabled\n", opt->name); - return 0; - break; - case OPTION_DISABLED: - printk(KERN_INFO "%s Disabled\n", opt->name); - return 0; - break; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - printk(KERN_INFO "%s set to %i\n", opt->name, *value); - return 0; - } - break; - case list_option: - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - printk(KERN_INFO "%s\n", ent->str); - return 0; - } - } - break; - default: - BUG(); - } - - printk(KERN_INFO "Invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl2_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -static void __devinit atl2_check_options(struct atl2_adapter *adapter) -{ - int val; - struct atl2_option opt; - int bd = adapter->bd_number; - if (bd >= ATL2_MAX_NIC) { - printk(KERN_NOTICE "Warning: no configuration for board #%i\n", - bd); - printk(KERN_NOTICE "Using defaults for all values\n"); -#ifndef module_param_array - bd = ATL2_MAX_NIC; -#endif - } - - /* Bytes of Transmit Memory */ - opt.type = range_option; - opt.name = "Bytes of Transmit Memory"; - opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_TX_MEMSIZE); - opt.def = ATL2_DEFAULT_TX_MEMSIZE; - opt.arg.r.min = ATL2_MIN_TX_MEMSIZE; - opt.arg.r.max = ATL2_MAX_TX_MEMSIZE; -#ifdef module_param_array - if (num_TxMemSize > bd) { -#endif - val = TxMemSize[bd]; - atl2_validate_option(&val, &opt); - adapter->txd_ring_size = ((u32) val) * 1024; -#ifdef module_param_array - } else - adapter->txd_ring_size = ((u32)opt.def) * 1024; -#endif - /* txs ring size: */ - adapter->txs_ring_size = adapter->txd_ring_size / 128; - if (adapter->txs_ring_size > 160) - adapter->txs_ring_size = 160; - - /* Receive Memory Block Count */ - opt.type = range_option; - opt.name = "Number of receive memory block"; - opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_RXD_COUNT); - opt.def = ATL2_DEFAULT_RXD_COUNT; - opt.arg.r.min = ATL2_MIN_RXD_COUNT; - opt.arg.r.max = ATL2_MAX_RXD_COUNT; -#ifdef module_param_array - if (num_RxMemBlock > bd) { -#endif - val = RxMemBlock[bd]; - atl2_validate_option(&val, &opt); - adapter->rxd_ring_size = (u32)val; - /* FIXME */ - /* ((u16)val)&~1; */ /* even number */ -#ifdef module_param_array - } else - adapter->rxd_ring_size = (u32)opt.def; -#endif - /* init RXD Flow control value */ - adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7; - adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) > - (adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) : - (adapter->rxd_ring_size / 12); - - /* Interrupt Moderate Timer */ - opt.type = range_option; - opt.name = "Interrupt Moderate Timer"; - opt.err = "using default of " __MODULE_STRING(INT_MOD_DEFAULT_CNT); - opt.def = INT_MOD_DEFAULT_CNT; - opt.arg.r.min = INT_MOD_MIN_CNT; - opt.arg.r.max = INT_MOD_MAX_CNT; -#ifdef module_param_array - if (num_IntModTimer > bd) { -#endif - val = IntModTimer[bd]; - atl2_validate_option(&val, &opt); - adapter->imt = (u16) val; -#ifdef module_param_array - } else - adapter->imt = (u16)(opt.def); -#endif - /* Flash Vendor */ - opt.type = range_option; - opt.name = "SPI Flash Vendor"; - opt.err = "using default of " __MODULE_STRING(FLASH_VENDOR_DEFAULT); - opt.def = FLASH_VENDOR_DEFAULT; - opt.arg.r.min = FLASH_VENDOR_MIN; - opt.arg.r.max = FLASH_VENDOR_MAX; -#ifdef module_param_array - if (num_FlashVendor > bd) { -#endif - val = FlashVendor[bd]; - atl2_validate_option(&val, &opt); - adapter->hw.flash_vendor = (u8) val; -#ifdef module_param_array - } else - adapter->hw.flash_vendor = (u8)(opt.def); -#endif - /* MediaType */ - opt.type = range_option; - opt.name = "Speed/Duplex Selection"; - opt.err = "using default of " __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR); - opt.def = MEDIA_TYPE_AUTO_SENSOR; - opt.arg.r.min = MEDIA_TYPE_AUTO_SENSOR; - opt.arg.r.max = MEDIA_TYPE_10M_HALF; -#ifdef module_param_array - if (num_MediaType > bd) { -#endif - val = MediaType[bd]; - atl2_validate_option(&val, &opt); - adapter->hw.MediaType = (u16) val; -#ifdef module_param_array - } else - adapter->hw.MediaType = (u16)(opt.def); -#endif -} diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h deleted file mode 100644 index bf9016ebdd9b..000000000000 --- a/drivers/net/atlx/atl2.h +++ /dev/null @@ -1,525 +0,0 @@ -/* atl2.h -- atl2 driver definitions - * - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2006 xiong huang - * Copyright(c) 2007 Chris Snook - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATL2_H_ -#define _ATL2_H_ - -#include -#include - -#ifndef _ATL2_HW_H_ -#define _ATL2_HW_H_ - -#ifndef _ATL2_OSDEP_H_ -#define _ATL2_OSDEP_H_ - -#include -#include -#include -#include - -#include "atlx.h" - -#ifdef ETHTOOL_OPS_COMPAT -extern int ethtool_ioctl(struct ifreq *ifr); -#endif - -#define PCI_COMMAND_REGISTER PCI_COMMAND -#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE -#define ETH_ADDR_LEN ETH_ALEN - -#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr)) - -#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \ - (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2)))) - -#define ATL2_READ_REG_ARRAY(a, reg, offset) \ - (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2))) - -#endif /* _ATL2_OSDEP_H_ */ - -struct atl2_adapter; -struct atl2_hw; - -/* function prototype */ -static s32 atl2_reset_hw(struct atl2_hw *hw); -static s32 atl2_read_mac_addr(struct atl2_hw *hw); -static s32 atl2_init_hw(struct atl2_hw *hw); -static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, - u16 *duplex); -static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr); -static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value); -static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data); -static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data); -static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); -static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); -static void atl2_set_mac_addr(struct atl2_hw *hw); -static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue); -static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value); -static s32 atl2_phy_init(struct atl2_hw *hw); -static int atl2_check_eeprom_exist(struct atl2_hw *hw); -static void atl2_force_ps(struct atl2_hw *hw); - -/* register definition */ - -/* Block IDLE Status Register */ -#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */ -#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */ -#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */ -#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */ - -/* MDIO Control Register */ -#define MDIO_WAIT_TIMES 10 - -/* MAC Control Register */ -#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */ -#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */ -#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28 -#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */ - -/* Internal SRAM Partition Register */ -#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM - * default: 2byte*1024 */ -#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM - * default: 2byte*1024 */ - -/* Descriptor Control register */ -#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit - * Data Mem low 32-bit(dword align) */ -#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by - * double word , max 256KB) */ -#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit - * Status Memory low 32-bit(dword word - * align) */ -#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047 - * bytes. */ -#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit - * Status Memory low 32-bit(unit 8 - * bytes) */ -#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer - * number (unit 1536bytes, max - * 1536*2047) */ - -/* DMAR Control Register */ -#define REG_DMAR 0x1580 -#define DMAR_EN 0x1 /* 1: Enable DMAR */ - -/* TX Cur-Through (early tx threshold) Control Register */ -#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet - * threshold(unit word) */ - -/* DMAW Control Register */ -#define REG_DMAW 0x15A0 -#define DMAW_EN 0x1 - -/* Flow control register */ -#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow - * threshold configuration register */ -#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow - * threshold configuration register */ - -/* Mailbox Register */ -#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */ -#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */ - -/* Interrupt Status Register */ -#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */ -#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set - * when SW_MAN_INT_EN is set in Table 51 - * Selene Master Control Register - * (Offset 0x1400). */ -#define ISR_RXF_OV 4 /* RXF overflow interrupt */ -#define ISR_TXF_UR 8 /* TXF underrun interrupt */ -#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full - * interrupt */ -#define ISR_RXS_OV 0x20 /* Internal receive status buffer full - * interrupt */ -#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */ -#define ISR_HOST_TXD_UR 0x80 -#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */ -#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should - * do Reset */ -#define ISR_DMAW_TO_RST 0x400 -#define ISR_PHY 0x800 /* phy interrupt */ -#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written - * to host */ -#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written - * to host. */ -#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one - * packet */ - -#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\ - ISR_TS_UPDATE | ISR_TX_EARLY) -#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\ - ISR_RS_UPDATE) - -#define IMR_NORMAL_MASK (\ - /*ISR_LINK_CHG |*/\ - ISR_MANUAL |\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_PHY |\ - ISR_PHY_LINKDOWN |\ - ISR_TS_UPDATE |\ - ISR_RS_UPDATE) - -/* Receive MAC Statistics Registers */ -#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */ -#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX - * FIFO overflow */ -#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX - * Status Buffer Overflow */ -#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to - * address filtering */ - -/* MII definitions */ - -/* PHY Common Register */ -#define MII_SMARTSPEED 0x14 -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* PCI Command Register Bit Definitions */ -#define PCI_REG_COMMAND 0x04 -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -#define MEDIA_TYPE_100M_FULL 1 -#define MEDIA_TYPE_100M_HALF 2 -#define MEDIA_TYPE_10M_FULL 3 -#define MEDIA_TYPE_10M_HALF 4 - -#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */ - -/* The size (in bytes) of a ethernet packet */ -#define ENET_HEADER_SIZE 14 -#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ -#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ -#define ETHERNET_FCS_SIZE 4 -#define MAX_JUMBO_FRAME_SIZE 0x2000 -#define VLAN_SIZE 4 - -struct tx_pkt_header { - unsigned pkt_size:11; - unsigned:4; /* reserved */ - unsigned ins_vlan:1; /* txmac should insert vlan */ - unsigned short vlan; /* vlan tag */ -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define TX_PKT_HEADER_SIZE_MASK 0x7FF -#define TX_PKT_HEADER_SIZE_SHIFT 0 -#define TX_PKT_HEADER_INS_VLAN_MASK 0x1 -#define TX_PKT_HEADER_INS_VLAN_SHIFT 15 -#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF -#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16 - -struct tx_pkt_status { - unsigned pkt_size:11; - unsigned:5; /* reserved */ - unsigned ok:1; /* current packet transmitted without error */ - unsigned bcast:1; /* broadcast packet */ - unsigned mcast:1; /* multicast packet */ - unsigned pause:1; /* transmiited a pause frame */ - unsigned ctrl:1; - unsigned defer:1; /* current packet is xmitted with defer */ - unsigned exc_defer:1; - unsigned single_col:1; - unsigned multi_col:1; - unsigned late_col:1; - unsigned abort_col:1; - unsigned underun:1; /* current packet is aborted - * due to txram underrun */ - unsigned:3; /* reserved */ - unsigned update:1; /* always 1'b1 in tx_status_buf */ -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define TX_PKT_STATUS_SIZE_MASK 0x7FF -#define TX_PKT_STATUS_SIZE_SHIFT 0 -#define TX_PKT_STATUS_OK_MASK 0x1 -#define TX_PKT_STATUS_OK_SHIFT 16 -#define TX_PKT_STATUS_BCAST_MASK 0x1 -#define TX_PKT_STATUS_BCAST_SHIFT 17 -#define TX_PKT_STATUS_MCAST_MASK 0x1 -#define TX_PKT_STATUS_MCAST_SHIFT 18 -#define TX_PKT_STATUS_PAUSE_MASK 0x1 -#define TX_PKT_STATUS_PAUSE_SHIFT 19 -#define TX_PKT_STATUS_CTRL_MASK 0x1 -#define TX_PKT_STATUS_CTRL_SHIFT 20 -#define TX_PKT_STATUS_DEFER_MASK 0x1 -#define TX_PKT_STATUS_DEFER_SHIFT 21 -#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1 -#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22 -#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1 -#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23 -#define TX_PKT_STATUS_MULTI_COL_MASK 0x1 -#define TX_PKT_STATUS_MULTI_COL_SHIFT 24 -#define TX_PKT_STATUS_LATE_COL_MASK 0x1 -#define TX_PKT_STATUS_LATE_COL_SHIFT 25 -#define TX_PKT_STATUS_ABORT_COL_MASK 0x1 -#define TX_PKT_STATUS_ABORT_COL_SHIFT 26 -#define TX_PKT_STATUS_UNDERRUN_MASK 0x1 -#define TX_PKT_STATUS_UNDERRUN_SHIFT 27 -#define TX_PKT_STATUS_UPDATE_MASK 0x1 -#define TX_PKT_STATUS_UPDATE_SHIFT 31 - -struct rx_pkt_status { - unsigned pkt_size:11; /* packet size, max 2047 bytes */ - unsigned:5; /* reserved */ - unsigned ok:1; /* current packet received ok without error */ - unsigned bcast:1; /* current packet is broadcast */ - unsigned mcast:1; /* current packet is multicast */ - unsigned pause:1; - unsigned ctrl:1; - unsigned crc:1; /* received a packet with crc error */ - unsigned code:1; /* received a packet with code error */ - unsigned runt:1; /* received a packet less than 64 bytes - * with good crc */ - unsigned frag:1; /* received a packet less than 64 bytes - * with bad crc */ - unsigned trunc:1; /* current frame truncated due to rxram full */ - unsigned align:1; /* this packet is alignment error */ - unsigned vlan:1; /* this packet has vlan */ - unsigned:3; /* reserved */ - unsigned update:1; - unsigned short vtag; /* vlan tag */ - unsigned:16; -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define RX_PKT_STATUS_SIZE_MASK 0x7FF -#define RX_PKT_STATUS_SIZE_SHIFT 0 -#define RX_PKT_STATUS_OK_MASK 0x1 -#define RX_PKT_STATUS_OK_SHIFT 16 -#define RX_PKT_STATUS_BCAST_MASK 0x1 -#define RX_PKT_STATUS_BCAST_SHIFT 17 -#define RX_PKT_STATUS_MCAST_MASK 0x1 -#define RX_PKT_STATUS_MCAST_SHIFT 18 -#define RX_PKT_STATUS_PAUSE_MASK 0x1 -#define RX_PKT_STATUS_PAUSE_SHIFT 19 -#define RX_PKT_STATUS_CTRL_MASK 0x1 -#define RX_PKT_STATUS_CTRL_SHIFT 20 -#define RX_PKT_STATUS_CRC_MASK 0x1 -#define RX_PKT_STATUS_CRC_SHIFT 21 -#define RX_PKT_STATUS_CODE_MASK 0x1 -#define RX_PKT_STATUS_CODE_SHIFT 22 -#define RX_PKT_STATUS_RUNT_MASK 0x1 -#define RX_PKT_STATUS_RUNT_SHIFT 23 -#define RX_PKT_STATUS_FRAG_MASK 0x1 -#define RX_PKT_STATUS_FRAG_SHIFT 24 -#define RX_PKT_STATUS_TRUNK_MASK 0x1 -#define RX_PKT_STATUS_TRUNK_SHIFT 25 -#define RX_PKT_STATUS_ALIGN_MASK 0x1 -#define RX_PKT_STATUS_ALIGN_SHIFT 26 -#define RX_PKT_STATUS_VLAN_MASK 0x1 -#define RX_PKT_STATUS_VLAN_SHIFT 27 -#define RX_PKT_STATUS_UPDATE_MASK 0x1 -#define RX_PKT_STATUS_UPDATE_SHIFT 31 -#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF -#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32 - -struct rx_desc { - struct rx_pkt_status status; - unsigned char packet[1536-sizeof(struct rx_pkt_status)]; -}; - -enum atl2_speed_duplex { - atl2_10_half = 0, - atl2_10_full = 1, - atl2_100_half = 2, - atl2_100_full = 3 -}; - -struct atl2_spi_flash_dev { - const char *manu_name; /* manufacturer id */ - /* op-code */ - u8 cmdWRSR; - u8 cmdREAD; - u8 cmdPROGRAM; - u8 cmdWREN; - u8 cmdWRDI; - u8 cmdRDSR; - u8 cmdRDID; - u8 cmdSECTOR_ERASE; - u8 cmdCHIP_ERASE; -}; - -/* Structure containing variables used by the shared code (atl2_hw.c) */ -struct atl2_hw { - u8 __iomem *hw_addr; - void *back; - - u8 preamble_len; - u8 max_retry; /* Retransmission maximum, afterwards the - * packet will be discarded. */ - u8 jam_ipg; /* IPG to start JAM for collision based flow - * control in half-duplex mode. In unit of - * 8-bit time. */ - u8 ipgt; /* Desired back to back inter-packet gap. The - * default is 96-bit time. */ - u8 min_ifg; /* Minimum number of IFG to enforce in between - * RX frames. Frame gap below such IFP is - * dropped. */ - u8 ipgr1; /* 64bit Carrier-Sense window */ - u8 ipgr2; /* 96-bit IPG window */ - u8 retry_buf; /* When half-duplex mode, should hold some - * bytes for mac retry . (8*4bytes unit) */ - - u16 fc_rxd_hi; - u16 fc_rxd_lo; - u16 lcol; /* Collision Window */ - u16 max_frame_size; - - u16 MediaType; - u16 autoneg_advertised; - u16 pci_cmd_word; - - u16 mii_autoneg_adv_reg; - - u32 mem_rang; - u32 txcw; - u32 mc_filter_type; - u32 num_mc_addrs; - u32 collision_delta; - u32 tx_packet_delta; - u16 phy_spd_default; - - u16 device_id; - u16 vendor_id; - u16 subsystem_id; - u16 subsystem_vendor_id; - u8 revision_id; - - /* spi flash */ - u8 flash_vendor; - - u8 dma_fairness; - u8 mac_addr[NODE_ADDRESS_SIZE]; - u8 perm_mac_addr[NODE_ADDRESS_SIZE]; - - /* FIXME */ - /* bool phy_preamble_sup; */ - bool phy_configured; -}; - -#endif /* _ATL2_HW_H_ */ - -struct atl2_ring_header { - /* pointer to the descriptor ring memory */ - void *desc; - /* physical address of the descriptor ring */ - dma_addr_t dma; - /* length of descriptor ring in bytes */ - unsigned int size; -}; - -/* board specific private data structure */ -struct atl2_adapter { - /* OS defined structs */ - struct net_device *netdev; - struct pci_dev *pdev; - u32 wol; - u16 link_speed; - u16 link_duplex; - - spinlock_t stats_lock; - - struct work_struct reset_task; - struct work_struct link_chg_task; - struct timer_list watchdog_timer; - struct timer_list phy_config_timer; - - unsigned long cfg_phy; - bool mac_disabled; - - /* All Descriptor memory */ - dma_addr_t ring_dma; - void *ring_vir_addr; - int ring_size; - - struct tx_pkt_header *txd_ring; - dma_addr_t txd_dma; - - struct tx_pkt_status *txs_ring; - dma_addr_t txs_dma; - - struct rx_desc *rxd_ring; - dma_addr_t rxd_dma; - - u32 txd_ring_size; /* bytes per unit */ - u32 txs_ring_size; /* dwords per unit */ - u32 rxd_ring_size; /* 1536 bytes per unit */ - - /* read /write ptr: */ - /* host */ - u32 txd_write_ptr; - u32 txs_next_clear; - u32 rxd_read_ptr; - - /* nic */ - atomic_t txd_read_ptr; - atomic_t txs_write_ptr; - u32 rxd_write_ptr; - - /* Interrupt Moderator timer ( 2us resolution) */ - u16 imt; - /* Interrupt Clear timer (2us resolution) */ - u16 ict; - - unsigned long flags; - /* structs defined in atl2_hw.h */ - u32 bd_number; /* board number */ - bool pci_using_64; - bool have_msi; - struct atl2_hw hw; - - u32 usr_cmd; - /* FIXME */ - /* u32 regs_buff[ATL2_REGS_LEN]; */ - u32 pci_state[16]; - - u32 *config_space; -}; - -enum atl2_state_t { - __ATL2_TESTING, - __ATL2_RESETTING, - __ATL2_DOWN -}; - -#endif /* _ATL2_H_ */ diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c deleted file mode 100644 index aabcf4b5745a..000000000000 --- a/drivers/net/atlx/atlx.c +++ /dev/null @@ -1,269 +0,0 @@ -/* atlx.c -- common functions for Attansic network drivers - * - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* Including this file like a header is a temporary hack, I promise. -- CHS */ -#ifndef ATLX_C -#define ATLX_C - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atlx.h" - -static s32 atlx_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data); -static u32 atlx_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); -static void atlx_set_mac_addr(struct atl1_hw *hw); - -static struct atlx_spi_flash_dev flash_table[] = { -/* MFR_NAME WRSR READ PRGM WREN WRDI RDSR RDID SEC_ERS CHIP_ERS */ - {"Atmel", 0x00, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62}, - {"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60}, - {"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7}, -}; - -static int atlx_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atlx_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -/* - * atlx_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atlx_set_mac(struct net_device *netdev, void *p) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (netif_running(netdev)) - return -EBUSY; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atlx_set_mac_addr(&adapter->hw); - return 0; -} - -static void atlx_check_for_link(struct atlx_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - - spin_lock(&adapter->lock); - adapter->phy_timer_pending = false; - atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->lock); - - /* notify upper layer link down ASAP */ - if (!(phy_data & BMSR_LSTATUS)) { - /* Link Down */ - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - dev_info(&adapter->pdev->dev, "%s link is down\n", - netdev->name); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -/* - * atlx_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atlx_set_multi(struct net_device *netdev) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - struct atlx_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 rctl; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - rctl = ioread32(hw->hw_addr + REG_MAC_CTRL); - if (netdev->flags & IFF_PROMISC) - rctl |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) { - rctl |= MAC_CTRL_MC_ALL_EN; - rctl &= ~MAC_CTRL_PROMIS_EN; - } else - rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - - iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL); - - /* clear the old settings from the multicast hash table */ - iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); - iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); - - /* compute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atlx_hash_mc_addr(hw, ha->addr); - atlx_hash_set(hw, hash_value); - } -} - -/* - * atlx_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static void atlx_irq_enable(struct atlx_adapter *adapter) -{ - iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR); - ioread32(adapter->hw.hw_addr + REG_IMR); -} - -/* - * atlx_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static void atlx_irq_disable(struct atlx_adapter *adapter) -{ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - ioread32(adapter->hw.hw_addr + REG_IMR); - synchronize_irq(adapter->pdev->irq); -} - -static void atlx_clear_phy_int(struct atlx_adapter *adapter) -{ - u16 phy_data; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - atlx_read_phy_reg(&adapter->hw, 19, &phy_data); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -/* - * atlx_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atlx_tx_timeout(struct net_device *netdev) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->tx_timeout_task); -} - -/* - * atlx_link_chg_task - deal with link change event Out of interrupt context - */ -static void atlx_link_chg_task(struct work_struct *work) -{ - struct atlx_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atlx_adapter, link_chg_task); - - spin_lock_irqsave(&adapter->lock, flags); - atlx_check_link(adapter); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -static void __atlx_vlan_mode(u32 features, u32 *ctrl) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *ctrl |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *ctrl &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atlx_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - u32 ctrl; - - spin_lock_irqsave(&adapter->lock, flags); - /* atlx_irq_disable(adapter); FIXME: confirm/remove */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - __atlx_vlan_mode(features, &ctrl); - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); - /* atlx_irq_enable(adapter); FIXME */ - spin_unlock_irqrestore(&adapter->lock, flags); -} - -static void atlx_restore_vlan(struct atlx_adapter *adapter) -{ - atlx_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -static u32 atlx_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atlx_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atlx_vlan_mode(netdev, features); - - return 0; -} - -#endif /* ATLX_C */ diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h deleted file mode 100644 index 14054b75aa62..000000000000 --- a/drivers/net/atlx/atlx.h +++ /dev/null @@ -1,503 +0,0 @@ -/* atlx_hw.h -- common hardware definitions for Attansic network drivers - * - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef ATLX_H -#define ATLX_H - -#include -#include - -#define ATLX_ERR_PHY 2 -#define ATLX_ERR_PHY_SPEED 7 -#define ATLX_ERR_PHY_RES 8 - -#define SPEED_0 0xffff -#define SPEED_10 10 -#define SPEED_100 100 -#define SPEED_1000 1000 -#define HALF_DUPLEX 1 -#define FULL_DUPLEX 2 - -#define MEDIA_TYPE_AUTO_SENSOR 0 - -/* register definitions */ -#define REG_PM_CTRLSTAT 0x44 - -#define REG_PCIE_CAP_LIST 0x58 - -#define REG_VPD_CAP 0x6C -#define VPD_CAP_ID_MASK 0xFF -#define VPD_CAP_ID_SHIFT 0 -#define VPD_CAP_NEXT_PTR_MASK 0xFF -#define VPD_CAP_NEXT_PTR_SHIFT 8 -#define VPD_CAP_VPD_ADDR_MASK 0x7FFF -#define VPD_CAP_VPD_ADDR_SHIFT 16 -#define VPD_CAP_VPD_FLAG 0x80000000 - -#define REG_VPD_DATA 0x70 - -#define REG_SPI_FLASH_CTRL 0x200 -#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 -#define SPI_FLASH_CTRL_STS_WEN 0x2 -#define SPI_FLASH_CTRL_STS_WPEN 0x80 -#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF -#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 -#define SPI_FLASH_CTRL_INS_MASK 0x7 -#define SPI_FLASH_CTRL_INS_SHIFT 8 -#define SPI_FLASH_CTRL_START 0x800 -#define SPI_FLASH_CTRL_EN_VPD 0x2000 -#define SPI_FLASH_CTRL_LDSTART 0x8000 -#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 -#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 -#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 -#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 -#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 -#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 -#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 -#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 -#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 - -#define REG_SPI_ADDR 0x204 - -#define REG_SPI_DATA 0x208 - -#define REG_SPI_FLASH_CONFIG 0x20C -#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF -#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 -#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 -#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 -#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 - -#define REG_SPI_FLASH_OP_PROGRAM 0x210 -#define REG_SPI_FLASH_OP_SC_ERASE 0x211 -#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 -#define REG_SPI_FLASH_OP_RDID 0x213 -#define REG_SPI_FLASH_OP_WREN 0x214 -#define REG_SPI_FLASH_OP_RDSR 0x215 -#define REG_SPI_FLASH_OP_WRSR 0x216 -#define REG_SPI_FLASH_OP_READ 0x217 - -#define REG_TWSI_CTRL 0x218 -#define TWSI_CTRL_LD_OFFSET_MASK 0xFF -#define TWSI_CTRL_LD_OFFSET_SHIFT 0 -#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 -#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 -#define TWSI_CTRL_SW_LDSTART 0x800 -#define TWSI_CTRL_HW_LDSTART 0x1000 -#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F -#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 -#define TWSI_CTRL_LD_EXIST 0x400000 -#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 -#define TWSI_CTRL_FREQ_SEL_100K 0 -#define TWSI_CTRL_FREQ_SEL_200K 1 -#define TWSI_CTRL_FREQ_SEL_300K 2 -#define TWSI_CTRL_FREQ_SEL_400K 3 -#define TWSI_CTRL_SMB_SLV_ADDR /* FIXME: define or remove */ -#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 - -#define REG_PCIE_DEV_MISC_CTRL 0x21C -#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 -#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 -#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 -#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 -#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 - -#define REG_PCIE_PHYMISC 0x1000 -#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 - -#define REG_PCIE_DLL_TX_CTRL1 0x1104 -#define PCIE_DLL_TX_CTRL1_SEL_NOR_CLK 0x400 -#define PCIE_DLL_TX_CTRL1_DEF 0x568 - -#define REG_LTSSM_TEST_MODE 0x12FC -#define LTSSM_TEST_MODE_DEF 0x6500 - -/* Master Control Register */ -#define REG_MASTER_CTRL 0x1400 -#define MASTER_CTRL_SOFT_RST 0x1 -#define MASTER_CTRL_MTIMER_EN 0x2 -#define MASTER_CTRL_ITIMER_EN 0x4 -#define MASTER_CTRL_MANUAL_INT 0x8 -#define MASTER_CTRL_REV_NUM_SHIFT 16 -#define MASTER_CTRL_REV_NUM_MASK 0xFF -#define MASTER_CTRL_DEV_ID_SHIFT 24 -#define MASTER_CTRL_DEV_ID_MASK 0xFF - -/* Timer Initial Value Register */ -#define REG_MANUAL_TIMER_INIT 0x1404 - -/* IRQ Moderator Timer Initial Value Register */ -#define REG_IRQ_MODU_TIMER_INIT 0x1408 - -#define REG_PHY_ENABLE 0x140C - -/* IRQ Anti-Lost Timer Initial Value Register */ -#define REG_CMBDISDMA_TIMER 0x140E - -/* Block IDLE Status Register */ -#define REG_IDLE_STATUS 0x1410 - -/* MDIO Control Register */ -#define REG_MDIO_CTRL 0x1414 -#define MDIO_DATA_MASK 0xFFFF -#define MDIO_DATA_SHIFT 0 -#define MDIO_REG_ADDR_MASK 0x1F -#define MDIO_REG_ADDR_SHIFT 16 -#define MDIO_RW 0x200000 -#define MDIO_SUP_PREAMBLE 0x400000 -#define MDIO_START 0x800000 -#define MDIO_CLK_SEL_SHIFT 24 -#define MDIO_CLK_25_4 0 -#define MDIO_CLK_25_6 2 -#define MDIO_CLK_25_8 3 -#define MDIO_CLK_25_10 4 -#define MDIO_CLK_25_14 5 -#define MDIO_CLK_25_20 6 -#define MDIO_CLK_25_28 7 -#define MDIO_BUSY 0x8000000 - -/* MII PHY Status Register */ -#define REG_PHY_STATUS 0x1418 - -/* BIST Control and Status Register0 (for the Packet Memory) */ -#define REG_BIST0_CTRL 0x141C -#define BIST0_NOW 0x1 -#define BIST0_SRAM_FAIL 0x2 -#define BIST0_FUSE_FLAG 0x4 -#define REG_BIST1_CTRL 0x1420 -#define BIST1_NOW 0x1 -#define BIST1_SRAM_FAIL 0x2 -#define BIST1_FUSE_FLAG 0x4 - -/* SerDes Lock Detect Control and Status Register */ -#define REG_SERDES_LOCK 0x1424 -#define SERDES_LOCK_DETECT 1 -#define SERDES_LOCK_DETECT_EN 2 - -/* MAC Control Register */ -#define REG_MAC_CTRL 0x1480 -#define MAC_CTRL_TX_EN 1 -#define MAC_CTRL_RX_EN 2 -#define MAC_CTRL_TX_FLOW 4 -#define MAC_CTRL_RX_FLOW 8 -#define MAC_CTRL_LOOPBACK 0x10 -#define MAC_CTRL_DUPLX 0x20 -#define MAC_CTRL_ADD_CRC 0x40 -#define MAC_CTRL_PAD 0x80 -#define MAC_CTRL_LENCHK 0x100 -#define MAC_CTRL_HUGE_EN 0x200 -#define MAC_CTRL_PRMLEN_SHIFT 10 -#define MAC_CTRL_PRMLEN_MASK 0xF -#define MAC_CTRL_RMV_VLAN 0x4000 -#define MAC_CTRL_PROMIS_EN 0x8000 -#define MAC_CTRL_MC_ALL_EN 0x2000000 -#define MAC_CTRL_BC_EN 0x4000000 - -/* MAC IPG/IFG Control Register */ -#define REG_MAC_IPG_IFG 0x1484 -#define MAC_IPG_IFG_IPGT_SHIFT 0 -#define MAC_IPG_IFG_IPGT_MASK 0x7F -#define MAC_IPG_IFG_MIFG_SHIFT 8 -#define MAC_IPG_IFG_MIFG_MASK 0xFF -#define MAC_IPG_IFG_IPGR1_SHIFT 16 -#define MAC_IPG_IFG_IPGR1_MASK 0x7F -#define MAC_IPG_IFG_IPGR2_SHIFT 24 -#define MAC_IPG_IFG_IPGR2_MASK 0x7F - -/* MAC STATION ADDRESS */ -#define REG_MAC_STA_ADDR 0x1488 - -/* Hash table for multicast address */ -#define REG_RX_HASH_TABLE 0x1490 - -/* MAC Half-Duplex Control Register */ -#define REG_MAC_HALF_DUPLX_CTRL 0x1498 -#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 -#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3FF -#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 -#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xF -#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 -#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 -#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 -#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xF -#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 -#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xF - -/* Maximum Frame Length Control Register */ -#define REG_MTU 0x149C - -/* Wake-On-Lan control register */ -#define REG_WOL_CTRL 0x14A0 -#define WOL_PATTERN_EN 0x1 -#define WOL_PATTERN_PME_EN 0x2 -#define WOL_MAGIC_EN 0x4 -#define WOL_MAGIC_PME_EN 0x8 -#define WOL_LINK_CHG_EN 0x10 -#define WOL_LINK_CHG_PME_EN 0x20 -#define WOL_PATTERN_ST 0x100 -#define WOL_MAGIC_ST 0x200 -#define WOL_LINKCHG_ST 0x400 -#define WOL_PT0_EN 0x10000 -#define WOL_PT1_EN 0x20000 -#define WOL_PT2_EN 0x40000 -#define WOL_PT3_EN 0x80000 -#define WOL_PT4_EN 0x100000 -#define WOL_PT0_MATCH 0x1000000 -#define WOL_PT1_MATCH 0x2000000 -#define WOL_PT2_MATCH 0x4000000 -#define WOL_PT3_MATCH 0x8000000 -#define WOL_PT4_MATCH 0x10000000 - -/* Internal SRAM Partition Register, high 32 bits */ -#define REG_SRAM_RFD_ADDR 0x1500 - -/* Descriptor Control register, high 32 bits */ -#define REG_DESC_BASE_ADDR_HI 0x1540 - -/* Interrupt Status Register */ -#define REG_ISR 0x1600 -#define ISR_UR_DETECTED 0x1000000 -#define ISR_FERR_DETECTED 0x2000000 -#define ISR_NFERR_DETECTED 0x4000000 -#define ISR_CERR_DETECTED 0x8000000 -#define ISR_PHY_LINKDOWN 0x10000000 -#define ISR_DIS_INT 0x80000000 - -/* Interrupt Mask Register */ -#define REG_IMR 0x1604 - -#define REG_RFD_RRD_IDX 0x1800 -#define REG_TPD_IDX 0x1804 - -/* MII definitions */ - -/* PHY Common Register */ -#define MII_ATLX_CR 0x09 -#define MII_ATLX_SR 0x0A -#define MII_ATLX_ESR 0x0F -#define MII_ATLX_PSCR 0x10 -#define MII_ATLX_PSSR 0x11 - -/* PHY Control Register */ -#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, - * 00=10 - */ -#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ -#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ -#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ -#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */ -#define MII_CR_POWER_DOWN 0x0800 /* Power down */ -#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ -#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, - * 00=10 - */ -#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ -#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ -#define MII_CR_SPEED_MASK 0x2040 -#define MII_CR_SPEED_1000 0x0040 -#define MII_CR_SPEED_100 0x2000 -#define MII_CR_SPEED_10 0x0000 - -/* PHY Status Register */ -#define MII_SR_EXTENDED_CAPS 0x0001 /* Ext register capabilities */ -#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ -#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ -#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ -#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ -#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ -#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ -#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext stat info in Reg 0x0F */ -#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ -#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ -#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ -#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ -#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ -#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ -#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ - -/* Link partner ability register */ -#define MII_LPA_SLCT 0x001f /* Same as advertise selector */ -#define MII_LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ -#define MII_LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ -#define MII_LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ -#define MII_LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ -#define MII_LPA_100BASE4 0x0200 /* 100BASE-T4 */ -#define MII_LPA_PAUSE 0x0400 /* PAUSE */ -#define MII_LPA_ASYPAUSE 0x0800 /* Asymmetrical PAUSE */ -#define MII_LPA_RFAULT 0x2000 /* Link partner faulted */ -#define MII_LPA_LPACK 0x4000 /* Link partner acked us */ -#define MII_LPA_NPAGE 0x8000 /* Next page bit */ - -/* Autoneg Advertisement Register */ -#define MII_AR_SELECTOR_FIELD 0x0001 /* IEEE 802.3 CSMA/CD */ -#define MII_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */ -#define MII_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */ -#define MII_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */ -#define MII_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */ -#define MII_AR_100T4_CAPS 0x0200 /* 100T4 Capable */ -#define MII_AR_PAUSE 0x0400 /* Pause operation desired */ -#define MII_AR_ASM_DIR 0x0800 /* Asymmetric Pause Dir bit */ -#define MII_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */ -#define MII_AR_NEXT_PAGE 0x8000 /* Next Page ability support */ -#define MII_AR_SPEED_MASK 0x01E0 -#define MII_AR_DEFAULT_CAP_MASK 0x0DE0 - -/* 1000BASE-T Control Register */ -#define MII_ATLX_CR_1000T_HD_CAPS 0x0100 /* Adv 1000T HD cap */ -#define MII_ATLX_CR_1000T_FD_CAPS 0x0200 /* Adv 1000T FD cap */ -#define MII_ATLX_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device, - * 0=DTE device */ -#define MII_ATLX_CR_1000T_MS_VALUE 0x0800 /* 1=Config PHY as Master, - * 0=Configure PHY as Slave */ -#define MII_ATLX_CR_1000T_MS_ENABLE 0x1000 /* 1=Man Master/Slave config, - * 0=Auto Master/Slave config - */ -#define MII_ATLX_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ -#define MII_ATLX_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ -#define MII_ATLX_CR_1000T_TEST_MODE_2 0x4000 /* Master Xmit Jitter test */ -#define MII_ATLX_CR_1000T_TEST_MODE_3 0x6000 /* Slave Xmit Jitter test */ -#define MII_ATLX_CR_1000T_TEST_MODE_4 0x8000 /* Xmitter Distortion test */ -#define MII_ATLX_CR_1000T_SPEED_MASK 0x0300 -#define MII_ATLX_CR_1000T_DEFAULT_CAP_MASK 0x0300 - -/* 1000BASE-T Status Register */ -#define MII_ATLX_SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */ -#define MII_ATLX_SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */ -#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */ -#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */ -#define MII_ATLX_SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master - * 0=Slave - */ -#define MII_ATLX_SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config - * fault */ -#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS_SHIFT 12 -#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS_SHIFT 13 - -/* Extended Status Register */ -#define MII_ATLX_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */ -#define MII_ATLX_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */ -#define MII_ATLX_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */ -#define MII_ATLX_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */ - -/* ATLX PHY Specific Control Register */ -#define MII_ATLX_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Func disabled */ -#define MII_ATLX_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enbld */ -#define MII_ATLX_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ -#define MII_ATLX_PSCR_MAC_POWERDOWN 0x0008 -#define MII_ATLX_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low - * 0=CLK125 toggling - */ -#define MII_ATLX_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5, - * Manual MDI configuration - */ -#define MII_ATLX_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ -#define MII_ATLX_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover - * 100BASE-TX/10BASE-T: MDI - * Mode */ -#define MII_ATLX_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled - * all speeds. - */ -#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE 0x0080 /* 1=Enable Extended - * 10BASE-T distance - * (Lower 10BASE-T RX - * Threshold) - * 0=Normal 10BASE-T RX - * Threshold - */ -#define MII_ATLX_PSCR_MII_5BIT_ENABLE 0x0100 /* 1=5-Bit interface in - * 100BASE-TX - * 0=MII interface in - * 100BASE-TX - */ -#define MII_ATLX_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler dsbl */ -#define MII_ATLX_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ -#define MII_ATLX_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ -#define MII_ATLX_PSCR_POLARITY_REVERSAL_SHIFT 1 -#define MII_ATLX_PSCR_AUTO_X_MODE_SHIFT 5 -#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 - -/* ATLX PHY Specific Status Register */ -#define MII_ATLX_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ -#define MII_ATLX_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ -#define MII_ATLX_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ -#define MII_ATLX_PSSR_10MBS 0x0000 /* 00=10Mbs */ -#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */ -#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ - -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* PCI Command Register Bit Definitions */ -#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -/* Wake Up Filter Control */ -#define ATLX_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define ATLX_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define ATLX_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define ATLX_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ -#define ATLX_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ - -#define ADVERTISE_10_HALF 0x0001 -#define ADVERTISE_10_FULL 0x0002 -#define ADVERTISE_100_HALF 0x0004 -#define ADVERTISE_100_FULL 0x0008 -#define ADVERTISE_1000_HALF 0x0010 -#define ADVERTISE_1000_FULL 0x0020 -#define AUTONEG_ADVERTISE_10_100_ALL 0x000F /* All 10/100 speeds */ -#define AUTONEG_ADVERTISE_10_ALL 0x0003 /* 10Mbps Full & Half speeds */ - -#define PHY_AUTO_NEG_TIME 45 /* 4.5 Seconds */ -#define PHY_FORCE_TIME 20 /* 2.0 Seconds */ - -/* For checksumming, the sum of all words in the EEPROM should equal 0xBABA */ -#define EEPROM_SUM 0xBABA -#define NODE_ADDRESS_SIZE 6 - -struct atlx_spi_flash_dev { - const char *manu_name; /* manufacturer id */ - /* op-code */ - u8 cmd_wrsr; - u8 cmd_read; - u8 cmd_program; - u8 cmd_wren; - u8 cmd_wrdi; - u8 cmd_rdsr; - u8 cmd_rdid; - u8 cmd_sector_erase; - u8 cmd_chip_erase; -}; - -#endif /* ATLX_H */ -- cgit v1.2.3