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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-05-20 06:55:16 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-11 16:29:59 -0700
commit2b133ad6e9e96798007e64eb912c42fa00adef0a (patch)
tree34d1760a9257b150289893cda05b4adfa1990306 /drivers/net/atlx/atl1.c
parent3401299a1b9e747cbf7de2cc0c8f6376c3cbe565 (diff)
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 <jcliburn@gmail.com> CC: Chris Snook <chris.snook@gmail.com> CC: Jie Yang <jie.yang@atheros.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/atlx/atl1.c')
-rw-r--r--drivers/net/atlx/atl1.c3675
1 files changed, 0 insertions, 3675 deletions
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 <csnook@redhat.com>
- * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
- *
- * 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 <xiong.huang@atheros.com>
- * Jie Yang <jie.yang@atheros.com>
- * Chris Snook <csnook@redhat.com>
- * Jay Cliburn <jcliburn@gmail.com>
- *
- * 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 <linux/atomic.h>
-#include <asm/byteorder.h>
-
-#include <linux/compiler.h>
-#include <linux/crc32.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/etherdevice.h>
-#include <linux/hardirq.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/in.h>
-#include <linux/interrupt.h>
-#include <linux/ip.h>
-#include <linux/irqflags.h>
-#include <linux/irqreturn.h>
-#include <linux/jiffies.h>
-#include <linux/mii.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/net.h>
-#include <linux/netdevice.h>
-#include <linux/pci.h>
-#include <linux/pci_ids.h>
-#include <linux/pm.h>
-#include <linux/skbuff.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/string.h>
-#include <linux/tcp.h>
-#include <linux/timer.h>
-#include <linux/types.h>
-#include <linux/workqueue.h>
-
-#include <net/checksum.h>
-
-#include "atl1.h"
-
-#define ATLX_DRIVER_VERSION "2.1.3"
-MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, "
- "Chris Snook <csnook@redhat.com>, "
- "Jay Cliburn <jcliburn@gmail.com>");
-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 *) &eth_addr[2] = swab32(addr[0]);
- *(u16 *) &eth_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 *) &eth_addr[2] = swab32(addr[0]);
- *(u16 *) &eth_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 *) &eth_addr[2] = swab32(addr[0]);
- *(u16 *) &eth_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:
- * <vendor comment>
- * 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.
- * </vendor comment>
- */
-
-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,
-};