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-rw-r--r--drivers/net/ethernet/atheros/atlx/Makefile3
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl1.c3668
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl1.h792
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl2.c3119
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl2.h525
-rw-r--r--drivers/net/ethernet/atheros/atlx/atlx.c269
-rw-r--r--drivers/net/ethernet/atheros/atlx/atlx.h503
7 files changed, 8879 insertions, 0 deletions
diff --git a/drivers/net/ethernet/atheros/atlx/Makefile b/drivers/net/ethernet/atheros/atlx/Makefile
new file mode 100644
index 000000000000..e4f6022ca552
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_ATL1) += atl1.o
+obj-$(CONFIG_ATL2) += atl2.o
+
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
new file mode 100644
index 000000000000..33a4e35f5ee8
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -0,0 +1,3668 @@
+/*
+ * 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 Interrupt */
+ 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++) {
+ const struct skb_frag_struct *frag;
+ u16 i, nseg;
+
+ frag = &skb_shinfo(skb)->frags[f];
+ buf_len = skb_frag_size(frag);
+
+ 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 = skb_frag_dma_map(&adapter->pdev->dev,
+ frag, i * ATL1_MAX_TX_BUF_LEN,
+ buffer_info->length, DMA_TO_DEVICE);
+
+ 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 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++) {
+ unsigned int f_size = skb_frag_size(&skb_shinfo(skb)->frags[f]);
+ count += (f_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_rx_mode = 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_pending = rxdr->count;
+ ring->tx_pending = txdr->count;
+}
+
+static int atl1_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct atl1_adapter *adapter = netdev_priv(netdev);
+ struct atl1_tpd_ring *tpdr = &adapter->tpd_ring;
+ struct atl1_rrd_ring *rrdr = &adapter->rrd_ring;
+ struct atl1_rfd_ring *rfdr = &adapter->rfd_ring;
+
+ struct atl1_tpd_ring tpd_old, tpd_new;
+ struct atl1_rfd_ring rfd_old, rfd_new;
+ struct atl1_rrd_ring rrd_old, rrd_new;
+ struct atl1_ring_header rhdr_old, rhdr_new;
+ struct atl1_smb smb;
+ struct atl1_cmb cmb;
+ int err;
+
+ tpd_old = adapter->tpd_ring;
+ rfd_old = adapter->rfd_ring;
+ rrd_old = adapter->rrd_ring;
+ rhdr_old = adapter->ring_header;
+
+ if (netif_running(adapter->netdev))
+ atl1_down(adapter);
+
+ rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD);
+ rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD :
+ rfdr->count;
+ rfdr->count = (rfdr->count + 3) & ~3;
+ rrdr->count = rfdr->count;
+
+ tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD);
+ tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD :
+ tpdr->count;
+ tpdr->count = (tpdr->count + 3) & ~3;
+
+ if (netif_running(adapter->netdev)) {
+ /* try to get new resources before deleting old */
+ err = atl1_setup_ring_resources(adapter);
+ if (err)
+ goto err_setup_ring;
+
+ /*
+ * save the new, restore the old in order to free it,
+ * then restore the new back again
+ */
+
+ rfd_new = adapter->rfd_ring;
+ rrd_new = adapter->rrd_ring;
+ tpd_new = adapter->tpd_ring;
+ rhdr_new = adapter->ring_header;
+ adapter->rfd_ring = rfd_old;
+ adapter->rrd_ring = rrd_old;
+ adapter->tpd_ring = tpd_old;
+ adapter->ring_header = rhdr_old;
+ /*
+ * Save SMB and CMB, since atl1_free_ring_resources
+ * will clear them.
+ */
+ smb = adapter->smb;
+ cmb = adapter->cmb;
+ atl1_free_ring_resources(adapter);
+ adapter->rfd_ring = rfd_new;
+ adapter->rrd_ring = rrd_new;
+ adapter->tpd_ring = tpd_new;
+ adapter->ring_header = rhdr_new;
+ adapter->smb = smb;
+ adapter->cmb = cmb;
+
+ err = atl1_up(adapter);
+ if (err)
+ return err;
+ }
+ return 0;
+
+err_setup_ring:
+ adapter->rfd_ring = rfd_old;
+ adapter->rrd_ring = rrd_old;
+ adapter->tpd_ring = tpd_old;
+ adapter->ring_header = rhdr_old;
+ atl1_up(adapter);
+ return err;
+}
+
+static void atl1_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *epause)
+{
+ struct atl1_adapter *adapter = netdev_priv(netdev);
+ struct atl1_hw *hw = &adapter->hw;
+
+ if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
+ hw->media_type == MEDIA_TYPE_1000M_FULL) {
+ epause->autoneg = AUTONEG_ENABLE;
+ } else {
+ epause->autoneg = AUTONEG_DISABLE;
+ }
+ epause->rx_pause = 1;
+ epause->tx_pause = 1;
+}
+
+static int atl1_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *epause)
+{
+ struct atl1_adapter *adapter = netdev_priv(netdev);
+ struct atl1_hw *hw = &adapter->hw;
+
+ if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
+ hw->media_type == MEDIA_TYPE_1000M_FULL) {
+ epause->autoneg = AUTONEG_ENABLE;
+ } else {
+ epause->autoneg = AUTONEG_DISABLE;
+ }
+
+ epause->rx_pause = 1;
+ epause->tx_pause = 1;
+
+ return 0;
+}
+
+static void atl1_get_strings(struct net_device *netdev, u32 stringset,
+ u8 *data)
+{
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) {
+ memcpy(p, atl1_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ break;
+ }
+}
+
+static int atl1_nway_reset(struct net_device *netdev)
+{
+ struct atl1_adapter *adapter = netdev_priv(netdev);
+ struct atl1_hw *hw = &adapter->hw;
+
+ if (netif_running(netdev)) {
+ u16 phy_data;
+ atl1_down(adapter);
+
+ if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
+ hw->media_type == MEDIA_TYPE_1000M_FULL) {
+ phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN;
+ } else {
+ switch (hw->media_type) {
+ case MEDIA_TYPE_100M_FULL:
+ phy_data = MII_CR_FULL_DUPLEX |
+ MII_CR_SPEED_100 | MII_CR_RESET;
+ break;
+ case MEDIA_TYPE_100M_HALF:
+ phy_data = MII_CR_SPEED_100 | MII_CR_RESET;
+ break;
+ case MEDIA_TYPE_10M_FULL:
+ phy_data = MII_CR_FULL_DUPLEX |
+ MII_CR_SPEED_10 | MII_CR_RESET;
+ break;
+ default:
+ /* MEDIA_TYPE_10M_HALF */
+ phy_data = MII_CR_SPEED_10 | MII_CR_RESET;
+ }
+ }
+ atl1_write_phy_reg(hw, MII_BMCR, phy_data);
+ atl1_up(adapter);
+ }
+ return 0;
+}
+
+static const struct ethtool_ops atl1_ethtool_ops = {
+ .get_settings = atl1_get_settings,
+ .set_settings = atl1_set_settings,
+ .get_drvinfo = atl1_get_drvinfo,
+ .get_wol = atl1_get_wol,
+ .set_wol = atl1_set_wol,
+ .get_msglevel = atl1_get_msglevel,
+ .set_msglevel = atl1_set_msglevel,
+ .get_regs_len = atl1_get_regs_len,
+ .get_regs = atl1_get_regs,
+ .get_ringparam = atl1_get_ringparam,
+ .set_ringparam = atl1_set_ringparam,
+ .get_pauseparam = atl1_get_pauseparam,
+ .set_pauseparam = atl1_set_pauseparam,
+ .get_link = ethtool_op_get_link,
+ .get_strings = atl1_get_strings,
+ .nway_reset = atl1_nway_reset,
+ .get_ethtool_stats = atl1_get_ethtool_stats,
+ .get_sset_count = atl1_get_sset_count,
+};
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.h b/drivers/net/ethernet/atheros/atlx/atl1.h
new file mode 100644
index 000000000000..109d6da8be97
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atl1.h
@@ -0,0 +1,792 @@
+/*
+ * 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.
+ */
+
+#ifndef ATL1_H
+#define ATL1_H
+
+#include <linux/compiler.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+#include <linux/mii.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include "atlx.h"
+
+#define ATLX_DRIVER_NAME "atl1"
+
+MODULE_DESCRIPTION("Atheros L1 Gigabit Ethernet Driver");
+
+#define atlx_adapter atl1_adapter
+#define atlx_check_for_link atl1_check_for_link
+#define atlx_check_link atl1_check_link
+#define atlx_hash_mc_addr atl1_hash_mc_addr
+#define atlx_hash_set atl1_hash_set
+#define atlx_hw atl1_hw
+#define atlx_mii_ioctl atl1_mii_ioctl
+#define atlx_read_phy_reg atl1_read_phy_reg
+#define atlx_set_mac atl1_set_mac
+#define atlx_set_mac_addr atl1_set_mac_addr
+
+struct atl1_adapter;
+struct atl1_hw;
+
+/* function prototypes needed by multiple files */
+static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr);
+static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value);
+static void atl1_set_mac_addr(struct atl1_hw *hw);
+static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
+ int cmd);
+static u32 atl1_check_link(struct atl1_adapter *adapter);
+
+/* hardware definitions specific to L1 */
+
+/* Block IDLE Status Register */
+#define IDLE_STATUS_RXMAC 0x1
+#define IDLE_STATUS_TXMAC 0x2
+#define IDLE_STATUS_RXQ 0x4
+#define IDLE_STATUS_TXQ 0x8
+#define IDLE_STATUS_DMAR 0x10
+#define IDLE_STATUS_DMAW 0x20
+#define IDLE_STATUS_SMB 0x40
+#define IDLE_STATUS_CMB 0x80
+
+/* MDIO Control Register */
+#define MDIO_WAIT_TIMES 30
+
+/* MAC Control Register */
+#define MAC_CTRL_TX_PAUSE 0x10000
+#define MAC_CTRL_SCNT 0x20000
+#define MAC_CTRL_SRST_TX 0x40000
+#define MAC_CTRL_TX_SIMURST 0x80000
+#define MAC_CTRL_SPEED_SHIFT 20
+#define MAC_CTRL_SPEED_MASK 0x300000
+#define MAC_CTRL_SPEED_1000 0x2
+#define MAC_CTRL_SPEED_10_100 0x1
+#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000
+#define MAC_CTRL_TX_HUGE 0x800000
+#define MAC_CTRL_RX_CHKSUM_EN 0x1000000
+#define MAC_CTRL_DBG 0x8000000
+
+/* Wake-On-Lan control register */
+#define WOL_CLK_SWITCH_EN 0x8000
+#define WOL_PT5_EN 0x200000
+#define WOL_PT6_EN 0x400000
+#define WOL_PT5_MATCH 0x8000000
+#define WOL_PT6_MATCH 0x10000000
+
+/* WOL Length ( 2 DWORD ) */
+#define REG_WOL_PATTERN_LEN 0x14A4
+#define WOL_PT_LEN_MASK 0x7F
+#define WOL_PT0_LEN_SHIFT 0
+#define WOL_PT1_LEN_SHIFT 8
+#define WOL_PT2_LEN_SHIFT 16
+#define WOL_PT3_LEN_SHIFT 24
+#define WOL_PT4_LEN_SHIFT 0
+#define WOL_PT5_LEN_SHIFT 8
+#define WOL_PT6_LEN_SHIFT 16
+
+/* Internal SRAM Partition Registers, low 32 bits */
+#define REG_SRAM_RFD_LEN 0x1504
+#define REG_SRAM_RRD_ADDR 0x1508
+#define REG_SRAM_RRD_LEN 0x150C
+#define REG_SRAM_TPD_ADDR 0x1510
+#define REG_SRAM_TPD_LEN 0x1514
+#define REG_SRAM_TRD_ADDR 0x1518
+#define REG_SRAM_TRD_LEN 0x151C
+#define REG_SRAM_RXF_ADDR 0x1520
+#define REG_SRAM_RXF_LEN 0x1524
+#define REG_SRAM_TXF_ADDR 0x1528
+#define REG_SRAM_TXF_LEN 0x152C
+#define REG_SRAM_TCPH_PATH_ADDR 0x1530
+#define SRAM_TCPH_ADDR_MASK 0xFFF
+#define SRAM_TCPH_ADDR_SHIFT 0
+#define SRAM_PATH_ADDR_MASK 0xFFF
+#define SRAM_PATH_ADDR_SHIFT 16
+
+/* Load Ptr Register */
+#define REG_LOAD_PTR 0x1534
+
+/* Descriptor Control registers, low 32 bits */
+#define REG_DESC_RFD_ADDR_LO 0x1544
+#define REG_DESC_RRD_ADDR_LO 0x1548
+#define REG_DESC_TPD_ADDR_LO 0x154C
+#define REG_DESC_CMB_ADDR_LO 0x1550
+#define REG_DESC_SMB_ADDR_LO 0x1554
+#define REG_DESC_RFD_RRD_RING_SIZE 0x1558
+#define DESC_RFD_RING_SIZE_MASK 0x7FF
+#define DESC_RFD_RING_SIZE_SHIFT 0
+#define DESC_RRD_RING_SIZE_MASK 0x7FF
+#define DESC_RRD_RING_SIZE_SHIFT 16
+#define REG_DESC_TPD_RING_SIZE 0x155C
+#define DESC_TPD_RING_SIZE_MASK 0x3FF
+#define DESC_TPD_RING_SIZE_SHIFT 0
+
+/* TXQ Control Register */
+#define REG_TXQ_CTRL 0x1580
+#define TXQ_CTRL_TPD_BURST_NUM_SHIFT 0
+#define TXQ_CTRL_TPD_BURST_NUM_MASK 0x1F
+#define TXQ_CTRL_EN 0x20
+#define TXQ_CTRL_ENH_MODE 0x40
+#define TXQ_CTRL_TPD_FETCH_TH_SHIFT 8
+#define TXQ_CTRL_TPD_FETCH_TH_MASK 0x3F
+#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16
+#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xFFFF
+
+/* Jumbo packet Threshold for task offload */
+#define REG_TX_JUMBO_TASK_TH_TPD_IPG 0x1584
+#define TX_JUMBO_TASK_TH_MASK 0x7FF
+#define TX_JUMBO_TASK_TH_SHIFT 0
+#define TX_TPD_MIN_IPG_MASK 0x1F
+#define TX_TPD_MIN_IPG_SHIFT 16
+
+/* RXQ Control Register */
+#define REG_RXQ_CTRL 0x15A0
+#define RXQ_CTRL_RFD_BURST_NUM_SHIFT 0
+#define RXQ_CTRL_RFD_BURST_NUM_MASK 0xFF
+#define RXQ_CTRL_RRD_BURST_THRESH_SHIFT 8
+#define RXQ_CTRL_RRD_BURST_THRESH_MASK 0xFF
+#define RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT 16
+#define RXQ_CTRL_RFD_PREF_MIN_IPG_MASK 0x1F
+#define RXQ_CTRL_CUT_THRU_EN 0x40000000
+#define RXQ_CTRL_EN 0x80000000
+
+/* Rx jumbo packet threshold and rrd retirement timer */
+#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4
+#define RXQ_JMBOSZ_TH_MASK 0x7FF
+#define RXQ_JMBOSZ_TH_SHIFT 0
+#define RXQ_JMBO_LKAH_MASK 0xF
+#define RXQ_JMBO_LKAH_SHIFT 11
+#define RXQ_RRD_TIMER_MASK 0xFFFF
+#define RXQ_RRD_TIMER_SHIFT 16
+
+/* RFD flow control register */
+#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8
+#define RXQ_RXF_PAUSE_TH_HI_SHIFT 16
+#define RXQ_RXF_PAUSE_TH_HI_MASK 0xFFF
+#define RXQ_RXF_PAUSE_TH_LO_SHIFT 0
+#define RXQ_RXF_PAUSE_TH_LO_MASK 0xFFF
+
+/* RRD flow control register */
+#define REG_RXQ_RRD_PAUSE_THRESH 0x15AC
+#define RXQ_RRD_PAUSE_TH_HI_SHIFT 0
+#define RXQ_RRD_PAUSE_TH_HI_MASK 0xFFF
+#define RXQ_RRD_PAUSE_TH_LO_SHIFT 16
+#define RXQ_RRD_PAUSE_TH_LO_MASK 0xFFF
+
+/* DMA Engine Control Register */
+#define REG_DMA_CTRL 0x15C0
+#define DMA_CTRL_DMAR_IN_ORDER 0x1
+#define DMA_CTRL_DMAR_ENH_ORDER 0x2
+#define DMA_CTRL_DMAR_OUT_ORDER 0x4
+#define DMA_CTRL_RCB_VALUE 0x8
+#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4
+#define DMA_CTRL_DMAR_BURST_LEN_MASK 7
+#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7
+#define DMA_CTRL_DMAW_BURST_LEN_MASK 7
+#define DMA_CTRL_DMAR_EN 0x400
+#define DMA_CTRL_DMAW_EN 0x800
+
+/* CMB/SMB Control Register */
+#define REG_CSMB_CTRL 0x15D0
+#define CSMB_CTRL_CMB_NOW 1
+#define CSMB_CTRL_SMB_NOW 2
+#define CSMB_CTRL_CMB_EN 4
+#define CSMB_CTRL_SMB_EN 8
+
+/* CMB DMA Write Threshold Register */
+#define REG_CMB_WRITE_TH 0x15D4
+#define CMB_RRD_TH_SHIFT 0
+#define CMB_RRD_TH_MASK 0x7FF
+#define CMB_TPD_TH_SHIFT 16
+#define CMB_TPD_TH_MASK 0x7FF
+
+/* RX/TX count-down timer to trigger CMB-write. 2us resolution. */
+#define REG_CMB_WRITE_TIMER 0x15D8
+#define CMB_RX_TM_SHIFT 0
+#define CMB_RX_TM_MASK 0xFFFF
+#define CMB_TX_TM_SHIFT 16
+#define CMB_TX_TM_MASK 0xFFFF
+
+/* Number of packet received since last CMB write */
+#define REG_CMB_RX_PKT_CNT 0x15DC
+
+/* Number of packet transmitted since last CMB write */
+#define REG_CMB_TX_PKT_CNT 0x15E0
+
+/* SMB auto DMA timer register */
+#define REG_SMB_TIMER 0x15E4
+
+/* Mailbox Register */
+#define REG_MAILBOX 0x15F0
+#define MB_RFD_PROD_INDX_SHIFT 0
+#define MB_RFD_PROD_INDX_MASK 0x7FF
+#define MB_RRD_CONS_INDX_SHIFT 11
+#define MB_RRD_CONS_INDX_MASK 0x7FF
+#define MB_TPD_PROD_INDX_SHIFT 22
+#define MB_TPD_PROD_INDX_MASK 0x3FF
+
+/* Interrupt Status Register */
+#define ISR_SMB 0x1
+#define ISR_TIMER 0x2
+#define ISR_MANUAL 0x4
+#define ISR_RXF_OV 0x8
+#define ISR_RFD_UNRUN 0x10
+#define ISR_RRD_OV 0x20
+#define ISR_TXF_UNRUN 0x40
+#define ISR_LINK 0x80
+#define ISR_HOST_RFD_UNRUN 0x100
+#define ISR_HOST_RRD_OV 0x200
+#define ISR_DMAR_TO_RST 0x400
+#define ISR_DMAW_TO_RST 0x800
+#define ISR_GPHY 0x1000
+#define ISR_RX_PKT 0x10000
+#define ISR_TX_PKT 0x20000
+#define ISR_TX_DMA 0x40000
+#define ISR_RX_DMA 0x80000
+#define ISR_CMB_RX 0x100000
+#define ISR_CMB_TX 0x200000
+#define ISR_MAC_RX 0x400000
+#define ISR_MAC_TX 0x800000
+#define ISR_DIS_SMB 0x20000000
+#define ISR_DIS_DMA 0x40000000
+
+/* Normal Interrupt mask */
+#define IMR_NORMAL_MASK (\
+ ISR_SMB |\
+ ISR_GPHY |\
+ ISR_PHY_LINKDOWN|\
+ ISR_DMAR_TO_RST |\
+ ISR_DMAW_TO_RST |\
+ ISR_CMB_TX |\
+ ISR_CMB_RX)
+
+/* Debug Interrupt Mask (enable all interrupt) */
+#define IMR_DEBUG_MASK (\
+ ISR_SMB |\
+ ISR_TIMER |\
+ ISR_MANUAL |\
+ ISR_RXF_OV |\
+ ISR_RFD_UNRUN |\
+ ISR_RRD_OV |\
+ ISR_TXF_UNRUN |\
+ ISR_LINK |\
+ ISR_CMB_TX |\
+ ISR_CMB_RX |\
+ ISR_RX_PKT |\
+ ISR_TX_PKT |\
+ ISR_MAC_RX |\
+ ISR_MAC_TX)
+
+#define MEDIA_TYPE_1000M_FULL 1
+#define MEDIA_TYPE_100M_FULL 2
+#define MEDIA_TYPE_100M_HALF 3
+#define MEDIA_TYPE_10M_FULL 4
+#define MEDIA_TYPE_10M_HALF 5
+
+#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x002F /* All but 1000-Half */
+
+#define MAX_JUMBO_FRAME_SIZE 10240
+
+#define ATL1_EEDUMP_LEN 48
+
+/* Statistics counters collected by the MAC */
+struct stats_msg_block {
+ /* rx */
+ u32 rx_ok; /* good RX packets */
+ u32 rx_bcast; /* good RX broadcast packets */
+ u32 rx_mcast; /* good RX multicast packets */
+ u32 rx_pause; /* RX pause frames */
+ u32 rx_ctrl; /* RX control packets other than pause frames */
+ u32 rx_fcs_err; /* RX packets with bad FCS */
+ u32 rx_len_err; /* RX packets with length != actual size */
+ u32 rx_byte_cnt; /* good bytes received. FCS is NOT included */
+ u32 rx_runt; /* RX packets < 64 bytes with good FCS */
+ u32 rx_frag; /* RX packets < 64 bytes with bad FCS */
+ u32 rx_sz_64; /* 64 byte RX packets */
+ u32 rx_sz_65_127;
+ u32 rx_sz_128_255;
+ u32 rx_sz_256_511;
+ u32 rx_sz_512_1023;
+ u32 rx_sz_1024_1518;
+ u32 rx_sz_1519_max; /* 1519 byte to MTU RX packets */
+ u32 rx_sz_ov; /* truncated RX packets > MTU */
+ u32 rx_rxf_ov; /* frames dropped due to RX FIFO overflow */
+ u32 rx_rrd_ov; /* frames dropped due to RRD overflow */
+ u32 rx_align_err; /* alignment errors */
+ u32 rx_bcast_byte_cnt; /* RX broadcast bytes, excluding FCS */
+ u32 rx_mcast_byte_cnt; /* RX multicast bytes, excluding FCS */
+ u32 rx_err_addr; /* packets dropped due to address filtering */
+
+ /* tx */
+ u32 tx_ok; /* good TX packets */
+ u32 tx_bcast; /* good TX broadcast packets */
+ u32 tx_mcast; /* good TX multicast packets */
+ u32 tx_pause; /* TX pause frames */
+ u32 tx_exc_defer; /* TX packets deferred excessively */
+ u32 tx_ctrl; /* TX control frames, excluding pause frames */
+ u32 tx_defer; /* TX packets deferred */
+ u32 tx_byte_cnt; /* bytes transmitted, FCS is NOT included */
+ u32 tx_sz_64; /* 64 byte TX packets */
+ u32 tx_sz_65_127;
+ u32 tx_sz_128_255;
+ u32 tx_sz_256_511;
+ u32 tx_sz_512_1023;
+ u32 tx_sz_1024_1518;
+ u32 tx_sz_1519_max; /* 1519 byte to MTU TX packets */
+ u32 tx_1_col; /* packets TX after a single collision */
+ u32 tx_2_col; /* packets TX after multiple collisions */
+ u32 tx_late_col; /* TX packets with late collisions */
+ u32 tx_abort_col; /* TX packets aborted w/excessive collisions */
+ u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun
+ * or TRD FIFO underrun */
+ u32 tx_rd_eop; /* reads beyond the EOP into the next frame
+ * when TRD was not written timely */
+ u32 tx_len_err; /* TX packets where length != actual size */
+ u32 tx_trunc; /* TX packets truncated due to size > MTU */
+ u32 tx_bcast_byte; /* broadcast bytes transmitted, excluding FCS */
+ u32 tx_mcast_byte; /* multicast bytes transmitted, excluding FCS */
+ u32 smb_updated; /* 1: SMB Updated. This is used by software to
+ * indicate the statistics update. Software
+ * should clear this bit after retrieving the
+ * statistics information. */
+};
+
+/* Coalescing Message Block */
+struct coals_msg_block {
+ u32 int_stats; /* interrupt status */
+ u16 rrd_prod_idx; /* TRD Producer Index. */
+ u16 rfd_cons_idx; /* RFD Consumer Index. */
+ u16 update; /* Selene sets this bit every time it DMAs the
+ * CMB to host memory. Software should clear
+ * this bit when CMB info is processed. */
+ u16 tpd_cons_idx; /* TPD Consumer Index. */
+};
+
+/* RRD descriptor */
+struct rx_return_desc {
+ u8 num_buf; /* Number of RFD buffers used by the received packet */
+ u8 resved;
+ u16 buf_indx; /* RFD Index of the first buffer */
+ union {
+ u32 valid;
+ struct {
+ u16 rx_chksum;
+ u16 pkt_size;
+ } xsum_sz;
+ } xsz;
+
+ u16 pkt_flg; /* Packet flags */
+ u16 err_flg; /* Error flags */
+ u16 resved2;
+ u16 vlan_tag; /* VLAN TAG */
+};
+
+#define PACKET_FLAG_ETH_TYPE 0x0080
+#define PACKET_FLAG_VLAN_INS 0x0100
+#define PACKET_FLAG_ERR 0x0200
+#define PACKET_FLAG_IPV4 0x0400
+#define PACKET_FLAG_UDP 0x0800
+#define PACKET_FLAG_TCP 0x1000
+#define PACKET_FLAG_BCAST 0x2000
+#define PACKET_FLAG_MCAST 0x4000
+#define PACKET_FLAG_PAUSE 0x8000
+
+#define ERR_FLAG_CRC 0x0001
+#define ERR_FLAG_CODE 0x0002
+#define ERR_FLAG_DRIBBLE 0x0004
+#define ERR_FLAG_RUNT 0x0008
+#define ERR_FLAG_OV 0x0010
+#define ERR_FLAG_TRUNC 0x0020
+#define ERR_FLAG_IP_CHKSUM 0x0040
+#define ERR_FLAG_L4_CHKSUM 0x0080
+#define ERR_FLAG_LEN 0x0100
+#define ERR_FLAG_DES_ADDR 0x0200
+
+/* RFD descriptor */
+struct rx_free_desc {
+ __le64 buffer_addr; /* Address of the descriptor's data buffer */
+ __le16 buf_len; /* Size of the receive buffer in host memory */
+ u16 coalese; /* Update consumer index to host after the
+ * reception of this frame */
+ /* __packed is required */
+} __packed;
+
+/*
+ * The L1 transmit packet descriptor is comprised of four 32-bit words.
+ *
+ * 31 0
+ * +---------------------------------------+
+ * | Word 0: Buffer addr lo |
+ * +---------------------------------------+
+ * | Word 1: Buffer addr hi |
+ * +---------------------------------------+
+ * | Word 2 |
+ * +---------------------------------------+
+ * | Word 3 |
+ * +---------------------------------------+
+ *
+ * Words 0 and 1 combine to form a 64-bit buffer address.
+ *
+ * Word 2 is self explanatory in the #define block below.
+ *
+ * Word 3 has two forms, depending upon the state of bits 3 and 4.
+ * If bits 3 and 4 are both zero, then bits 14:31 are unused by the
+ * hardware. Otherwise, if either bit 3 or 4 is set, the definition
+ * of bits 14:31 vary according to the following depiction.
+ *
+ * 0 End of packet 0 End of packet
+ * 1 Coalesce 1 Coalesce
+ * 2 Insert VLAN tag 2 Insert VLAN tag
+ * 3 Custom csum enable = 0 3 Custom csum enable = 1
+ * 4 Segment enable = 1 4 Segment enable = 0
+ * 5 Generate IP checksum 5 Generate IP checksum
+ * 6 Generate TCP checksum 6 Generate TCP checksum
+ * 7 Generate UDP checksum 7 Generate UDP checksum
+ * 8 VLAN tagged 8 VLAN tagged
+ * 9 Ethernet frame type 9 Ethernet frame type
+ * 10-+ 10-+
+ * 11 | IP hdr length (10:13) 11 | IP hdr length (10:13)
+ * 12 | (num 32-bit words) 12 | (num 32-bit words)
+ * 13-+ 13-+
+ * 14-+ 14 Unused
+ * 15 | TCP hdr length (14:17) 15 Unused
+ * 16 | (num 32-bit words) 16-+
+ * 17-+ 17 |
+ * 18 Header TPD flag 18 |
+ * 19-+ 19 | Payload offset
+ * 20 | 20 | (16:23)
+ * 21 | 21 |
+ * 22 | 22 |
+ * 23 | 23-+
+ * 24 | 24-+
+ * 25 | MSS (19:31) 25 |
+ * 26 | 26 |
+ * 27 | 27 | Custom csum offset
+ * 28 | 28 | (24:31)
+ * 29 | 29 |
+ * 30 | 30 |
+ * 31-+ 31-+
+ */
+
+/* tpd word 2 */
+#define TPD_BUFLEN_MASK 0x3FFF
+#define TPD_BUFLEN_SHIFT 0
+#define TPD_DMAINT_MASK 0x0001
+#define TPD_DMAINT_SHIFT 14
+#define TPD_PKTNT_MASK 0x0001
+#define TPD_PKTINT_SHIFT 15
+#define TPD_VLANTAG_MASK 0xFFFF
+#define TPD_VLANTAG_SHIFT 16
+
+/* tpd word 3 bits 0:13 */
+#define TPD_EOP_MASK 0x0001
+#define TPD_EOP_SHIFT 0
+#define TPD_COALESCE_MASK 0x0001
+#define TPD_COALESCE_SHIFT 1
+#define TPD_INS_VL_TAG_MASK 0x0001
+#define TPD_INS_VL_TAG_SHIFT 2
+#define TPD_CUST_CSUM_EN_MASK 0x0001
+#define TPD_CUST_CSUM_EN_SHIFT 3
+#define TPD_SEGMENT_EN_MASK 0x0001
+#define TPD_SEGMENT_EN_SHIFT 4
+#define TPD_IP_CSUM_MASK 0x0001
+#define TPD_IP_CSUM_SHIFT 5
+#define TPD_TCP_CSUM_MASK 0x0001
+#define TPD_TCP_CSUM_SHIFT 6
+#define TPD_UDP_CSUM_MASK 0x0001
+#define TPD_UDP_CSUM_SHIFT 7
+#define TPD_VL_TAGGED_MASK 0x0001
+#define TPD_VL_TAGGED_SHIFT 8
+#define TPD_ETHTYPE_MASK 0x0001
+#define TPD_ETHTYPE_SHIFT 9
+#define TPD_IPHL_MASK 0x000F
+#define TPD_IPHL_SHIFT 10
+
+/* tpd word 3 bits 14:31 if segment enabled */
+#define TPD_TCPHDRLEN_MASK 0x000F
+#define TPD_TCPHDRLEN_SHIFT 14
+#define TPD_HDRFLAG_MASK 0x0001
+#define TPD_HDRFLAG_SHIFT 18
+#define TPD_MSS_MASK 0x1FFF
+#define TPD_MSS_SHIFT 19
+
+/* tpd word 3 bits 16:31 if custom csum enabled */
+#define TPD_PLOADOFFSET_MASK 0x00FF
+#define TPD_PLOADOFFSET_SHIFT 16
+#define TPD_CCSUMOFFSET_MASK 0x00FF
+#define TPD_CCSUMOFFSET_SHIFT 24
+
+struct tx_packet_desc {
+ __le64 buffer_addr;
+ __le32 word2;
+ __le32 word3;
+};
+
+/* DMA Order Settings */
+enum atl1_dma_order {
+ atl1_dma_ord_in = 1,
+ atl1_dma_ord_enh = 2,
+ atl1_dma_ord_out = 4
+};
+
+enum atl1_dma_rcb {
+ atl1_rcb_64 = 0,
+ atl1_rcb_128 = 1
+};
+
+enum atl1_dma_req_block {
+ atl1_dma_req_128 = 0,
+ atl1_dma_req_256 = 1,
+ atl1_dma_req_512 = 2,
+ atl1_dma_req_1024 = 3,
+ atl1_dma_req_2048 = 4,
+ atl1_dma_req_4096 = 5
+};
+
+#define ATL1_MAX_INTR 3
+#define ATL1_MAX_TX_BUF_LEN 0x3000 /* 12288 bytes */
+
+#define ATL1_DEFAULT_TPD 256
+#define ATL1_MAX_TPD 1024
+#define ATL1_MIN_TPD 64
+#define ATL1_DEFAULT_RFD 512
+#define ATL1_MIN_RFD 128
+#define ATL1_MAX_RFD 2048
+#define ATL1_REG_COUNT 1538
+
+#define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i]))
+#define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc)
+#define ATL1_TPD_DESC(R, i) ATL1_GET_DESC(R, i, struct tx_packet_desc)
+#define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc)
+
+/*
+ * atl1_ring_header represents a single, contiguous block of DMA space
+ * mapped for the three descriptor rings (tpd, rfd, rrd) and the two
+ * message blocks (cmb, smb) described below
+ */
+struct atl1_ring_header {
+ void *desc; /* virtual address */
+ dma_addr_t dma; /* physical address*/
+ unsigned int size; /* length in bytes */
+};
+
+/*
+ * atl1_buffer is wrapper around a pointer to a socket buffer
+ * so a DMA handle can be stored along with the skb
+ */
+struct atl1_buffer {
+ struct sk_buff *skb; /* socket buffer */
+ u16 length; /* rx buffer length */
+ u16 alloced; /* 1 if skb allocated */
+ dma_addr_t dma;
+};
+
+/* transmit packet descriptor (tpd) ring */
+struct atl1_tpd_ring {
+ void *desc; /* descriptor ring virtual address */
+ dma_addr_t dma; /* descriptor ring physical address */
+ u16 size; /* descriptor ring length in bytes */
+ u16 count; /* number of descriptors in the ring */
+ u16 hw_idx; /* hardware index */
+ atomic_t next_to_clean;
+ atomic_t next_to_use;
+ struct atl1_buffer *buffer_info;
+};
+
+/* receive free descriptor (rfd) ring */
+struct atl1_rfd_ring {
+ void *desc; /* descriptor ring virtual address */
+ dma_addr_t dma; /* descriptor ring physical address */
+ u16 size; /* descriptor ring length in bytes */
+ u16 count; /* number of descriptors in the ring */
+ atomic_t next_to_use;
+ u16 next_to_clean;
+ struct atl1_buffer *buffer_info;
+};
+
+/* receive return descriptor (rrd) ring */
+struct atl1_rrd_ring {
+ void *desc; /* descriptor ring virtual address */
+ dma_addr_t dma; /* descriptor ring physical address */
+ unsigned int size; /* descriptor ring length in bytes */
+ u16 count; /* number of descriptors in the ring */
+ u16 next_to_use;
+ atomic_t next_to_clean;
+};
+
+/* coalescing message block (cmb) */
+struct atl1_cmb {
+ struct coals_msg_block *cmb;
+ dma_addr_t dma;
+};
+
+/* statistics message block (smb) */
+struct atl1_smb {
+ struct stats_msg_block *smb;
+ dma_addr_t dma;
+};
+
+/* Statistics counters */
+struct atl1_sft_stats {
+ u64 rx_packets;
+ u64 tx_packets;
+ u64 rx_bytes;
+ u64 tx_bytes;
+ u64 multicast;
+ u64 collisions;
+ u64 rx_errors;
+ u64 rx_length_errors;
+ u64 rx_crc_errors;
+ u64 rx_frame_errors;
+ u64 rx_fifo_errors;
+ u64 rx_missed_errors;
+ u64 tx_errors;
+ u64 tx_fifo_errors;
+ u64 tx_aborted_errors;
+ u64 tx_window_errors;
+ u64 tx_carrier_errors;
+ u64 tx_pause; /* TX pause frames */
+ u64 excecol; /* TX packets w/ excessive collisions */
+ u64 deffer; /* TX packets deferred */
+ u64 scc; /* packets TX after a single collision */
+ u64 mcc; /* packets TX after multiple collisions */
+ u64 latecol; /* TX packets w/ late collisions */
+ u64 tx_underun; /* TX packets aborted due to TX FIFO underrun
+ * or TRD FIFO underrun */
+ u64 tx_trunc; /* TX packets truncated due to size > MTU */
+ u64 rx_pause; /* num Pause packets received. */
+ u64 rx_rrd_ov;
+ u64 rx_trunc;
+};
+
+/* hardware structure */
+struct atl1_hw {
+ u8 __iomem *hw_addr;
+ struct atl1_adapter *back;
+ enum atl1_dma_order dma_ord;
+ enum atl1_dma_rcb rcb_value;
+ enum atl1_dma_req_block dmar_block;
+ enum atl1_dma_req_block dmaw_block;
+ u8 preamble_len;
+ u8 max_retry;
+ u8 jam_ipg; /* IPG to start JAM for collision based flow
+ * control in half-duplex mode. In units of
+ * 8-bit time */
+ u8 ipgt; /* Desired back to back inter-packet gap.
+ * The default is 96-bit time */
+ u8 min_ifg; /* Minimum number of IFG to enforce in between
+ * receive frames. Frame gap below such IFP
+ * is dropped */
+ u8 ipgr1; /* 64bit Carrier-Sense window */
+ u8 ipgr2; /* 96-bit IPG window */
+ u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned
+ * burst. Each TPD is 16 bytes long */
+ u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned
+ * burst. Each RFD is 12 bytes long */
+ u8 rfd_fetch_gap;
+ u8 rrd_burst; /* Threshold number of RRDs that can be retired
+ * in a burst. Each RRD is 16 bytes long */
+ u8 tpd_fetch_th;
+ u8 tpd_fetch_gap;
+ u16 tx_jumbo_task_th;
+ u16 txf_burst; /* Number of data bytes to read in a cache-
+ * aligned burst. Each SRAM entry is 8 bytes */
+ u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN
+ * packets should add 4 bytes */
+ u16 rx_jumbo_lkah;
+ u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after
+ * every 512ns passes. */
+ u16 lcol; /* Collision Window */
+
+ u16 cmb_tpd;
+ u16 cmb_rrd;
+ u16 cmb_rx_timer;
+ u16 cmb_tx_timer;
+ u32 smb_timer;
+ u16 media_type;
+ u16 autoneg_advertised;
+
+ u16 mii_autoneg_adv_reg;
+ u16 mii_1000t_ctrl_reg;
+
+ u32 max_frame_size;
+ u32 min_frame_size;
+
+ u16 dev_rev;
+
+ /* spi flash */
+ u8 flash_vendor;
+
+ u8 mac_addr[ETH_ALEN];
+ u8 perm_mac_addr[ETH_ALEN];
+
+ bool phy_configured;
+};
+
+struct atl1_adapter {
+ struct net_device *netdev;
+ struct pci_dev *pdev;
+
+ struct atl1_sft_stats soft_stats;
+ u32 rx_buffer_len;
+ u32 wol;
+ u16 link_speed;
+ u16 link_duplex;
+ spinlock_t lock;
+ struct work_struct tx_timeout_task;
+ struct work_struct link_chg_task;
+ struct work_struct pcie_dma_to_rst_task;
+
+ struct timer_list phy_config_timer;
+ bool phy_timer_pending;
+
+ /* all descriptor rings' memory */
+ struct atl1_ring_header ring_header;
+
+ /* TX */
+ struct atl1_tpd_ring tpd_ring;
+ spinlock_t mb_lock;
+
+ /* RX */
+ struct atl1_rfd_ring rfd_ring;
+ struct atl1_rrd_ring rrd_ring;
+ u64 hw_csum_err;
+ u64 hw_csum_good;
+ u32 msg_enable;
+ u16 imt; /* interrupt moderator timer (2us resolution) */
+ u16 ict; /* interrupt clear timer (2us resolution */
+ struct mii_if_info mii; /* MII interface info */
+
+ u32 bd_number; /* board number */
+ bool pci_using_64;
+ struct atl1_hw hw;
+ struct atl1_smb smb;
+ struct atl1_cmb cmb;
+};
+
+#endif /* ATL1_H */
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
new file mode 100644
index 000000000000..1feae5928a4b
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
@@ -0,0 +1,3119 @@
+/*
+ * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved.
+ * Copyright(c) 2007 - 2008 Chris Snook <csnook@redhat.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.
+ */
+
+#include <linux/atomic.h>
+#include <linux/crc32.h>
+#include <linux/dma-mapping.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/hardirq.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/mii.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 "atl2.h"
+
+#define ATL2_DRV_VERSION "2.2.3"
+
+static const char atl2_driver_name[] = "atl2";
+static const char atl2_driver_string[] = "Atheros(R) L2 Ethernet Driver";
+static const char atl2_copyright[] = "Copyright (c) 2007 Atheros Corporation.";
+static const char atl2_driver_version[] = ATL2_DRV_VERSION;
+
+MODULE_AUTHOR("Atheros Corporation <xiong.huang@atheros.com>, Chris Snook <csnook@redhat.com>");
+MODULE_DESCRIPTION("Atheros Fast Ethernet Network Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(ATL2_DRV_VERSION);
+
+/*
+ * atl2_pci_tbl - PCI Device ID Table
+ */
+static DEFINE_PCI_DEVICE_TABLE(atl2_pci_tbl) = {
+ {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)},
+ /* required last entry */
+ {0,}
+};
+MODULE_DEVICE_TABLE(pci, atl2_pci_tbl);
+
+static void atl2_set_ethtool_ops(struct net_device *netdev);
+
+static void atl2_check_options(struct atl2_adapter *adapter);
+
+/*
+ * atl2_sw_init - Initialize general software structures (struct atl2_adapter)
+ * @adapter: board private structure to initialize
+ *
+ * atl2_sw_init initializes the Adapter private data structure.
+ * Fields are initialized based on PCI device information and
+ * OS network device settings (MTU size).
+ */
+static int __devinit atl2_sw_init(struct atl2_adapter *adapter)
+{
+ struct atl2_hw *hw = &adapter->hw;
+ struct pci_dev *pdev = adapter->pdev;
+
+ /* PCI config space info */
+ hw->vendor_id = pdev->vendor;
+ hw->device_id = pdev->device;
+ hw->subsystem_vendor_id = pdev->subsystem_vendor;
+ hw->subsystem_id = pdev->subsystem_device;
+ hw->revision_id = pdev->revision;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
+
+ adapter->wol = 0;
+ adapter->ict = 50000; /* ~100ms */
+ adapter->link_speed = SPEED_0; /* hardware init */
+ adapter->link_duplex = FULL_DUPLEX;
+
+ hw->phy_configured = false;
+ hw->preamble_len = 7;
+ hw->ipgt = 0x60;
+ hw->min_ifg = 0x50;
+ hw->ipgr1 = 0x40;
+ hw->ipgr2 = 0x60;
+ hw->retry_buf = 2;
+ hw->max_retry = 0xf;
+ hw->lcol = 0x37;
+ hw->jam_ipg = 7;
+ hw->fc_rxd_hi = 0;
+ hw->fc_rxd_lo = 0;
+ hw->max_frame_size = adapter->netdev->mtu;
+
+ spin_lock_init(&adapter->stats_lock);
+
+ set_bit(__ATL2_DOWN, &adapter->flags);
+
+ return 0;
+}
+
+/*
+ * atl2_set_multi - Multicast and Promiscuous mode set
+ * @netdev: network interface device structure
+ *
+ * The set_multi entry point is called whenever the multicast address
+ * list or the network interface flags are updated. This routine is
+ * responsible for configuring the hardware for proper multicast,
+ * promiscuous mode, and all-multi behavior.
+ */
+static void atl2_set_multi(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+ struct netdev_hw_addr *ha;
+ u32 rctl;
+ u32 hash_value;
+
+ /* Check for Promiscuous and All Multicast modes */
+ rctl = ATL2_READ_REG(hw, REG_MAC_CTRL);
+
+ if (netdev->flags & IFF_PROMISC) {
+ rctl |= MAC_CTRL_PROMIS_EN;
+ } else if (netdev->flags & IFF_ALLMULTI) {
+ rctl |= MAC_CTRL_MC_ALL_EN;
+ rctl &= ~MAC_CTRL_PROMIS_EN;
+ } else
+ rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN);
+
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, rctl);
+
+ /* clear the old settings from the multicast hash table */
+ ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
+ ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
+
+ /* comoute mc addresses' hash value ,and put it into hash table */
+ netdev_for_each_mc_addr(ha, netdev) {
+ hash_value = atl2_hash_mc_addr(hw, ha->addr);
+ atl2_hash_set(hw, hash_value);
+ }
+}
+
+static void init_ring_ptrs(struct atl2_adapter *adapter)
+{
+ /* Read / Write Ptr Initialize: */
+ adapter->txd_write_ptr = 0;
+ atomic_set(&adapter->txd_read_ptr, 0);
+
+ adapter->rxd_read_ptr = 0;
+ adapter->rxd_write_ptr = 0;
+
+ atomic_set(&adapter->txs_write_ptr, 0);
+ adapter->txs_next_clear = 0;
+}
+
+/*
+ * atl2_configure - Configure Transmit&Receive Unit after Reset
+ * @adapter: board private structure
+ *
+ * Configure the Tx /Rx unit of the MAC after a reset.
+ */
+static int atl2_configure(struct atl2_adapter *adapter)
+{
+ struct atl2_hw *hw = &adapter->hw;
+ u32 value;
+
+ /* clear interrupt status */
+ ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0xffffffff);
+
+ /* set MAC Address */
+ value = (((u32)hw->mac_addr[2]) << 24) |
+ (((u32)hw->mac_addr[3]) << 16) |
+ (((u32)hw->mac_addr[4]) << 8) |
+ (((u32)hw->mac_addr[5]));
+ ATL2_WRITE_REG(hw, REG_MAC_STA_ADDR, value);
+ value = (((u32)hw->mac_addr[0]) << 8) |
+ (((u32)hw->mac_addr[1]));
+ ATL2_WRITE_REG(hw, (REG_MAC_STA_ADDR+4), value);
+
+ /* HI base address */
+ ATL2_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI,
+ (u32)((adapter->ring_dma & 0xffffffff00000000ULL) >> 32));
+
+ /* LO base address */
+ ATL2_WRITE_REG(hw, REG_TXD_BASE_ADDR_LO,
+ (u32)(adapter->txd_dma & 0x00000000ffffffffULL));
+ ATL2_WRITE_REG(hw, REG_TXS_BASE_ADDR_LO,
+ (u32)(adapter->txs_dma & 0x00000000ffffffffULL));
+ ATL2_WRITE_REG(hw, REG_RXD_BASE_ADDR_LO,
+ (u32)(adapter->rxd_dma & 0x00000000ffffffffULL));
+
+ /* element count */
+ ATL2_WRITE_REGW(hw, REG_TXD_MEM_SIZE, (u16)(adapter->txd_ring_size/4));
+ ATL2_WRITE_REGW(hw, REG_TXS_MEM_SIZE, (u16)adapter->txs_ring_size);
+ ATL2_WRITE_REGW(hw, REG_RXD_BUF_NUM, (u16)adapter->rxd_ring_size);
+
+ /* config Internal SRAM */
+/*
+ ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_tx_end);
+ ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_rx_end);
+*/
+
+ /* config IPG/IFG */
+ value = (((u32)hw->ipgt & MAC_IPG_IFG_IPGT_MASK) <<
+ MAC_IPG_IFG_IPGT_SHIFT) |
+ (((u32)hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) <<
+ MAC_IPG_IFG_MIFG_SHIFT) |
+ (((u32)hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) <<
+ MAC_IPG_IFG_IPGR1_SHIFT)|
+ (((u32)hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) <<
+ MAC_IPG_IFG_IPGR2_SHIFT);
+ ATL2_WRITE_REG(hw, REG_MAC_IPG_IFG, value);
+
+ /* config Half-Duplex Control */
+ value = ((u32)hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) |
+ (((u32)hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) <<
+ MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) |
+ MAC_HALF_DUPLX_CTRL_EXC_DEF_EN |
+ (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) |
+ (((u32)hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) <<
+ MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT);
+ ATL2_WRITE_REG(hw, REG_MAC_HALF_DUPLX_CTRL, value);
+
+ /* set Interrupt Moderator Timer */
+ ATL2_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, adapter->imt);
+ ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_ITIMER_EN);
+
+ /* set Interrupt Clear Timer */
+ ATL2_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, adapter->ict);
+
+ /* set MTU */
+ ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu +
+ ENET_HEADER_SIZE + VLAN_SIZE + ETHERNET_FCS_SIZE);
+
+ /* 1590 */
+ ATL2_WRITE_REG(hw, REG_TX_CUT_THRESH, 0x177);
+
+ /* flow control */
+ ATL2_WRITE_REGW(hw, REG_PAUSE_ON_TH, hw->fc_rxd_hi);
+ ATL2_WRITE_REGW(hw, REG_PAUSE_OFF_TH, hw->fc_rxd_lo);
+
+ /* Init mailbox */
+ ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr);
+ ATL2_WRITE_REGW(hw, REG_MB_RXD_RD_IDX, (u16)adapter->rxd_read_ptr);
+
+ /* enable DMA read/write */
+ ATL2_WRITE_REGB(hw, REG_DMAR, DMAR_EN);
+ ATL2_WRITE_REGB(hw, REG_DMAW, DMAW_EN);
+
+ value = ATL2_READ_REG(&adapter->hw, REG_ISR);
+ if ((value & ISR_PHY_LINKDOWN) != 0)
+ value = 1; /* config failed */
+ else
+ value = 0;
+
+ /* clear all interrupt status */
+ ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0x3fffffff);
+ ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0);
+ return value;
+}
+
+/*
+ * atl2_setup_ring_resources - allocate Tx / RX descriptor resources
+ * @adapter: board private structure
+ *
+ * Return 0 on success, negative on failure
+ */
+static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ int size;
+ u8 offset = 0;
+
+ /* real ring DMA buffer */
+ adapter->ring_size = size =
+ adapter->txd_ring_size * 1 + 7 + /* dword align */
+ adapter->txs_ring_size * 4 + 7 + /* dword align */
+ adapter->rxd_ring_size * 1536 + 127; /* 128bytes align */
+
+ adapter->ring_vir_addr = pci_alloc_consistent(pdev, size,
+ &adapter->ring_dma);
+ if (!adapter->ring_vir_addr)
+ return -ENOMEM;
+ memset(adapter->ring_vir_addr, 0, adapter->ring_size);
+
+ /* Init TXD Ring */
+ adapter->txd_dma = adapter->ring_dma ;
+ offset = (adapter->txd_dma & 0x7) ? (8 - (adapter->txd_dma & 0x7)) : 0;
+ adapter->txd_dma += offset;
+ adapter->txd_ring = adapter->ring_vir_addr + offset;
+
+ /* Init TXS Ring */
+ adapter->txs_dma = adapter->txd_dma + adapter->txd_ring_size;
+ offset = (adapter->txs_dma & 0x7) ? (8 - (adapter->txs_dma & 0x7)) : 0;
+ adapter->txs_dma += offset;
+ adapter->txs_ring = (struct tx_pkt_status *)
+ (((u8 *)adapter->txd_ring) + (adapter->txd_ring_size + offset));
+
+ /* Init RXD Ring */
+ adapter->rxd_dma = adapter->txs_dma + adapter->txs_ring_size * 4;
+ offset = (adapter->rxd_dma & 127) ?
+ (128 - (adapter->rxd_dma & 127)) : 0;
+ if (offset > 7)
+ offset -= 8;
+ else
+ offset += (128 - 8);
+
+ adapter->rxd_dma += offset;
+ adapter->rxd_ring = (struct rx_desc *) (((u8 *)adapter->txs_ring) +
+ (adapter->txs_ring_size * 4 + offset));
+
+/*
+ * Read / Write Ptr Initialize:
+ * init_ring_ptrs(adapter);
+ */
+ return 0;
+}
+
+/*
+ * atl2_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
+ */
+static inline void atl2_irq_enable(struct atl2_adapter *adapter)
+{
+ ATL2_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK);
+ ATL2_WRITE_FLUSH(&adapter->hw);
+}
+
+/*
+ * atl2_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ */
+static inline void atl2_irq_disable(struct atl2_adapter *adapter)
+{
+ ATL2_WRITE_REG(&adapter->hw, REG_IMR, 0);
+ ATL2_WRITE_FLUSH(&adapter->hw);
+ synchronize_irq(adapter->pdev->irq);
+}
+
+static void __atl2_vlan_mode(u32 features, u32 *ctrl)
+{
+ if (features & NETIF_F_HW_VLAN_RX) {
+ /* enable VLAN tag insert/strip */
+ *ctrl |= MAC_CTRL_RMV_VLAN;
+ } else {
+ /* disable VLAN tag insert/strip */
+ *ctrl &= ~MAC_CTRL_RMV_VLAN;
+ }
+}
+
+static void atl2_vlan_mode(struct net_device *netdev, u32 features)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ u32 ctrl;
+
+ atl2_irq_disable(adapter);
+
+ ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL);
+ __atl2_vlan_mode(features, &ctrl);
+ ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl);
+
+ atl2_irq_enable(adapter);
+}
+
+static void atl2_restore_vlan(struct atl2_adapter *adapter)
+{
+ atl2_vlan_mode(adapter->netdev, adapter->netdev->features);
+}
+
+static u32 atl2_fix_features(struct net_device *netdev, u32 features)
+{
+ /*
+ * Since there is no support for separate rx/tx vlan accel
+ * enable/disable make sure tx flag is always in same state as rx.
+ */
+ if (features & NETIF_F_HW_VLAN_RX)
+ features |= NETIF_F_HW_VLAN_TX;
+ else
+ features &= ~NETIF_F_HW_VLAN_TX;
+
+ return features;
+}
+
+static int atl2_set_features(struct net_device *netdev, u32 features)
+{
+ u32 changed = netdev->features ^ features;
+
+ if (changed & NETIF_F_HW_VLAN_RX)
+ atl2_vlan_mode(netdev, features);
+
+ return 0;
+}
+
+static void atl2_intr_rx(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct rx_desc *rxd;
+ struct sk_buff *skb;
+
+ do {
+ rxd = adapter->rxd_ring+adapter->rxd_write_ptr;
+ if (!rxd->status.update)
+ break; /* end of tx */
+
+ /* clear this flag at once */
+ rxd->status.update = 0;
+
+ if (rxd->status.ok && rxd->status.pkt_size >= 60) {
+ int rx_size = (int)(rxd->status.pkt_size - 4);
+ /* alloc new buffer */
+ skb = netdev_alloc_skb_ip_align(netdev, rx_size);
+ if (NULL == skb) {
+ printk(KERN_WARNING
+ "%s: Mem squeeze, deferring packet.\n",
+ netdev->name);
+ /*
+ * Check that some rx space is free. If not,
+ * free one and mark stats->rx_dropped++.
+ */
+ netdev->stats.rx_dropped++;
+ break;
+ }
+ memcpy(skb->data, rxd->packet, rx_size);
+ skb_put(skb, rx_size);
+ skb->protocol = eth_type_trans(skb, netdev);
+ if (rxd->status.vlan) {
+ u16 vlan_tag = (rxd->status.vtag>>4) |
+ ((rxd->status.vtag&7) << 13) |
+ ((rxd->status.vtag&8) << 9);
+
+ __vlan_hwaccel_put_tag(skb, vlan_tag);
+ }
+ netif_rx(skb);
+ netdev->stats.rx_bytes += rx_size;
+ netdev->stats.rx_packets++;
+ } else {
+ netdev->stats.rx_errors++;
+
+ if (rxd->status.ok && rxd->status.pkt_size <= 60)
+ netdev->stats.rx_length_errors++;
+ if (rxd->status.mcast)
+ netdev->stats.multicast++;
+ if (rxd->status.crc)
+ netdev->stats.rx_crc_errors++;
+ if (rxd->status.align)
+ netdev->stats.rx_frame_errors++;
+ }
+
+ /* advance write ptr */
+ if (++adapter->rxd_write_ptr == adapter->rxd_ring_size)
+ adapter->rxd_write_ptr = 0;
+ } while (1);
+
+ /* update mailbox? */
+ adapter->rxd_read_ptr = adapter->rxd_write_ptr;
+ ATL2_WRITE_REGW(&adapter->hw, REG_MB_RXD_RD_IDX, adapter->rxd_read_ptr);
+}
+
+static void atl2_intr_tx(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ u32 txd_read_ptr;
+ u32 txs_write_ptr;
+ struct tx_pkt_status *txs;
+ struct tx_pkt_header *txph;
+ int free_hole = 0;
+
+ do {
+ txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr);
+ txs = adapter->txs_ring + txs_write_ptr;
+ if (!txs->update)
+ break; /* tx stop here */
+
+ free_hole = 1;
+ txs->update = 0;
+
+ if (++txs_write_ptr == adapter->txs_ring_size)
+ txs_write_ptr = 0;
+ atomic_set(&adapter->txs_write_ptr, (int)txs_write_ptr);
+
+ txd_read_ptr = (u32) atomic_read(&adapter->txd_read_ptr);
+ txph = (struct tx_pkt_header *)
+ (((u8 *)adapter->txd_ring) + txd_read_ptr);
+
+ if (txph->pkt_size != txs->pkt_size) {
+ struct tx_pkt_status *old_txs = txs;
+ printk(KERN_WARNING
+ "%s: txs packet size not consistent with txd"
+ " txd_:0x%08x, txs_:0x%08x!\n",
+ adapter->netdev->name,
+ *(u32 *)txph, *(u32 *)txs);
+ printk(KERN_WARNING
+ "txd read ptr: 0x%x\n",
+ txd_read_ptr);
+ txs = adapter->txs_ring + txs_write_ptr;
+ printk(KERN_WARNING
+ "txs-behind:0x%08x\n",
+ *(u32 *)txs);
+ if (txs_write_ptr < 2) {
+ txs = adapter->txs_ring +
+ (adapter->txs_ring_size +
+ txs_write_ptr - 2);
+ } else {
+ txs = adapter->txs_ring + (txs_write_ptr - 2);
+ }
+ printk(KERN_WARNING
+ "txs-before:0x%08x\n",
+ *(u32 *)txs);
+ txs = old_txs;
+ }
+
+ /* 4for TPH */
+ txd_read_ptr += (((u32)(txph->pkt_size) + 7) & ~3);
+ if (txd_read_ptr >= adapter->txd_ring_size)
+ txd_read_ptr -= adapter->txd_ring_size;
+
+ atomic_set(&adapter->txd_read_ptr, (int)txd_read_ptr);
+
+ /* tx statistics: */
+ if (txs->ok) {
+ netdev->stats.tx_bytes += txs->pkt_size;
+ netdev->stats.tx_packets++;
+ }
+ else
+ netdev->stats.tx_errors++;
+
+ if (txs->defer)
+ netdev->stats.collisions++;
+ if (txs->abort_col)
+ netdev->stats.tx_aborted_errors++;
+ if (txs->late_col)
+ netdev->stats.tx_window_errors++;
+ if (txs->underun)
+ netdev->stats.tx_fifo_errors++;
+ } while (1);
+
+ if (free_hole) {
+ if (netif_queue_stopped(adapter->netdev) &&
+ netif_carrier_ok(adapter->netdev))
+ netif_wake_queue(adapter->netdev);
+ }
+}
+
+static void atl2_check_for_link(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ u16 phy_data = 0;
+
+ spin_lock(&adapter->stats_lock);
+ atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
+ atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
+ spin_unlock(&adapter->stats_lock);
+
+ /* notify upper layer link down ASAP */
+ if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */
+ if (netif_carrier_ok(netdev)) { /* old link state: Up */
+ printk(KERN_INFO "%s: %s NIC Link is Down\n",
+ atl2_driver_name, netdev->name);
+ adapter->link_speed = SPEED_0;
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
+ }
+ schedule_work(&adapter->link_chg_task);
+}
+
+static inline void atl2_clear_phy_int(struct atl2_adapter *adapter)
+{
+ u16 phy_data;
+ spin_lock(&adapter->stats_lock);
+ atl2_read_phy_reg(&adapter->hw, 19, &phy_data);
+ spin_unlock(&adapter->stats_lock);
+}
+
+/*
+ * atl2_intr - Interrupt Handler
+ * @irq: interrupt number
+ * @data: pointer to a network interface device structure
+ * @pt_regs: CPU registers structure
+ */
+static irqreturn_t atl2_intr(int irq, void *data)
+{
+ struct atl2_adapter *adapter = netdev_priv(data);
+ struct atl2_hw *hw = &adapter->hw;
+ u32 status;
+
+ status = ATL2_READ_REG(hw, REG_ISR);
+ if (0 == status)
+ return IRQ_NONE;
+
+ /* link event */
+ if (status & ISR_PHY)
+ atl2_clear_phy_int(adapter);
+
+ /* clear ISR status, and Enable CMB DMA/Disable Interrupt */
+ ATL2_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT);
+
+ /* check if PCIE PHY Link down */
+ if (status & ISR_PHY_LINKDOWN) {
+ if (netif_running(adapter->netdev)) { /* reset MAC */
+ ATL2_WRITE_REG(hw, REG_ISR, 0);
+ ATL2_WRITE_REG(hw, REG_IMR, 0);
+ ATL2_WRITE_FLUSH(hw);
+ schedule_work(&adapter->reset_task);
+ return IRQ_HANDLED;
+ }
+ }
+
+ /* check if DMA read/write error? */
+ if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) {
+ ATL2_WRITE_REG(hw, REG_ISR, 0);
+ ATL2_WRITE_REG(hw, REG_IMR, 0);
+ ATL2_WRITE_FLUSH(hw);
+ schedule_work(&adapter->reset_task);
+ return IRQ_HANDLED;
+ }
+
+ /* link event */
+ if (status & (ISR_PHY | ISR_MANUAL)) {
+ adapter->netdev->stats.tx_carrier_errors++;
+ atl2_check_for_link(adapter);
+ }
+
+ /* transmit event */
+ if (status & ISR_TX_EVENT)
+ atl2_intr_tx(adapter);
+
+ /* rx exception */
+ if (status & ISR_RX_EVENT)
+ atl2_intr_rx(adapter);
+
+ /* re-enable Interrupt */
+ ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0);
+ return IRQ_HANDLED;
+}
+
+static int atl2_request_irq(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ int flags, err = 0;
+
+ flags = IRQF_SHARED;
+ adapter->have_msi = true;
+ err = pci_enable_msi(adapter->pdev);
+ if (err)
+ adapter->have_msi = false;
+
+ if (adapter->have_msi)
+ flags &= ~IRQF_SHARED;
+
+ return request_irq(adapter->pdev->irq, atl2_intr, flags, netdev->name,
+ netdev);
+}
+
+/*
+ * atl2_free_ring_resources - Free Tx / RX descriptor Resources
+ * @adapter: board private structure
+ *
+ * Free all transmit software resources
+ */
+static void atl2_free_ring_resources(struct atl2_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ pci_free_consistent(pdev, adapter->ring_size, adapter->ring_vir_addr,
+ adapter->ring_dma);
+}
+
+/*
+ * atl2_open - Called when a network interface is made active
+ * @netdev: network interface device structure
+ *
+ * Returns 0 on success, negative value on failure
+ *
+ * The open entry point is called when a network interface is made
+ * active by the system (IFF_UP). At this point all resources needed
+ * for transmit and receive operations are allocated, the interrupt
+ * handler is registered with the OS, the watchdog timer is started,
+ * and the stack is notified that the interface is ready.
+ */
+static int atl2_open(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ int err;
+ u32 val;
+
+ /* disallow open during test */
+ if (test_bit(__ATL2_TESTING, &adapter->flags))
+ return -EBUSY;
+
+ /* allocate transmit descriptors */
+ err = atl2_setup_ring_resources(adapter);
+ if (err)
+ return err;
+
+ err = atl2_init_hw(&adapter->hw);
+ if (err) {
+ err = -EIO;
+ goto err_init_hw;
+ }
+
+ /* hardware has been reset, we need to reload some things */
+ atl2_set_multi(netdev);
+ init_ring_ptrs(adapter);
+
+ atl2_restore_vlan(adapter);
+
+ if (atl2_configure(adapter)) {
+ err = -EIO;
+ goto err_config;
+ }
+
+ err = atl2_request_irq(adapter);
+ if (err)
+ goto err_req_irq;
+
+ clear_bit(__ATL2_DOWN, &adapter->flags);
+
+ mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 4*HZ));
+
+ val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL);
+ ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL,
+ val | MASTER_CTRL_MANUAL_INT);
+
+ atl2_irq_enable(adapter);
+
+ return 0;
+
+err_init_hw:
+err_req_irq:
+err_config:
+ atl2_free_ring_resources(adapter);
+ atl2_reset_hw(&adapter->hw);
+
+ return err;
+}
+
+static void atl2_down(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+
+ /* signal that we're down so the interrupt handler does not
+ * reschedule our watchdog timer */
+ set_bit(__ATL2_DOWN, &adapter->flags);
+
+ netif_tx_disable(netdev);
+
+ /* reset MAC to disable all RX/TX */
+ atl2_reset_hw(&adapter->hw);
+ msleep(1);
+
+ atl2_irq_disable(adapter);
+
+ del_timer_sync(&adapter->watchdog_timer);
+ del_timer_sync(&adapter->phy_config_timer);
+ clear_bit(0, &adapter->cfg_phy);
+
+ netif_carrier_off(netdev);
+ adapter->link_speed = SPEED_0;
+ adapter->link_duplex = -1;
+}
+
+static void atl2_free_irq(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+
+ free_irq(adapter->pdev->irq, netdev);
+
+#ifdef CONFIG_PCI_MSI
+ if (adapter->have_msi)
+ pci_disable_msi(adapter->pdev);
+#endif
+}
+
+/*
+ * atl2_close - Disables a network interface
+ * @netdev: network interface device structure
+ *
+ * Returns 0, this is not allowed to fail
+ *
+ * The close entry point is called when an interface is de-activated
+ * by the OS. The hardware is still under the drivers control, but
+ * needs to be disabled. A global MAC reset is issued to stop the
+ * hardware, and all transmit and receive resources are freed.
+ */
+static int atl2_close(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags));
+
+ atl2_down(adapter);
+ atl2_free_irq(adapter);
+ atl2_free_ring_resources(adapter);
+
+ return 0;
+}
+
+static inline int TxsFreeUnit(struct atl2_adapter *adapter)
+{
+ u32 txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr);
+
+ return (adapter->txs_next_clear >= txs_write_ptr) ?
+ (int) (adapter->txs_ring_size - adapter->txs_next_clear +
+ txs_write_ptr - 1) :
+ (int) (txs_write_ptr - adapter->txs_next_clear - 1);
+}
+
+static inline int TxdFreeBytes(struct atl2_adapter *adapter)
+{
+ u32 txd_read_ptr = (u32)atomic_read(&adapter->txd_read_ptr);
+
+ return (adapter->txd_write_ptr >= txd_read_ptr) ?
+ (int) (adapter->txd_ring_size - adapter->txd_write_ptr +
+ txd_read_ptr - 1) :
+ (int) (txd_read_ptr - adapter->txd_write_ptr - 1);
+}
+
+static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb,
+ struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct tx_pkt_header *txph;
+ u32 offset, copy_len;
+ int txs_unused;
+ int txbuf_unused;
+
+ if (test_bit(__ATL2_DOWN, &adapter->flags)) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+ if (unlikely(skb->len <= 0)) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+ txs_unused = TxsFreeUnit(adapter);
+ txbuf_unused = TxdFreeBytes(adapter);
+
+ if (skb->len + sizeof(struct tx_pkt_header) + 4 > txbuf_unused ||
+ txs_unused < 1) {
+ /* not enough resources */
+ netif_stop_queue(netdev);
+ return NETDEV_TX_BUSY;
+ }
+
+ offset = adapter->txd_write_ptr;
+
+ txph = (struct tx_pkt_header *) (((u8 *)adapter->txd_ring) + offset);
+
+ *(u32 *)txph = 0;
+ txph->pkt_size = skb->len;
+
+ offset += 4;
+ if (offset >= adapter->txd_ring_size)
+ offset -= adapter->txd_ring_size;
+ copy_len = adapter->txd_ring_size - offset;
+ if (copy_len >= skb->len) {
+ memcpy(((u8 *)adapter->txd_ring) + offset, skb->data, skb->len);
+ offset += ((u32)(skb->len + 3) & ~3);
+ } else {
+ memcpy(((u8 *)adapter->txd_ring)+offset, skb->data, copy_len);
+ memcpy((u8 *)adapter->txd_ring, skb->data+copy_len,
+ skb->len-copy_len);
+ offset = ((u32)(skb->len-copy_len + 3) & ~3);
+ }
+#ifdef NETIF_F_HW_VLAN_TX
+ if (vlan_tx_tag_present(skb)) {
+ u16 vlan_tag = vlan_tx_tag_get(skb);
+ vlan_tag = (vlan_tag << 4) |
+ (vlan_tag >> 13) |
+ ((vlan_tag >> 9) & 0x8);
+ txph->ins_vlan = 1;
+ txph->vlan = vlan_tag;
+ }
+#endif
+ if (offset >= adapter->txd_ring_size)
+ offset -= adapter->txd_ring_size;
+ adapter->txd_write_ptr = offset;
+
+ /* clear txs before send */
+ adapter->txs_ring[adapter->txs_next_clear].update = 0;
+ if (++adapter->txs_next_clear == adapter->txs_ring_size)
+ adapter->txs_next_clear = 0;
+
+ ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX,
+ (adapter->txd_write_ptr >> 2));
+
+ mmiowb();
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+}
+
+/*
+ * atl2_change_mtu - Change the Maximum Transfer Unit
+ * @netdev: network interface device structure
+ * @new_mtu: new value for maximum frame size
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int atl2_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+
+ if ((new_mtu < 40) || (new_mtu > (ETH_DATA_LEN + VLAN_SIZE)))
+ return -EINVAL;
+
+ /* set MTU */
+ if (hw->max_frame_size != new_mtu) {
+ netdev->mtu = new_mtu;
+ ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ENET_HEADER_SIZE +
+ VLAN_SIZE + ETHERNET_FCS_SIZE);
+ }
+
+ return 0;
+}
+
+/*
+ * atl2_set_mac - Change the Ethernet Address of the NIC
+ * @netdev: network interface device structure
+ * @p: pointer to an address structure
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int atl2_set_mac(struct net_device *netdev, void *p)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct sockaddr *addr = p;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (netif_running(netdev))
+ return -EBUSY;
+
+ memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+ memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
+
+ atl2_set_mac_addr(&adapter->hw);
+
+ return 0;
+}
+
+/*
+ * atl2_mii_ioctl -
+ * @netdev:
+ * @ifreq:
+ * @cmd:
+ */
+static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct mii_ioctl_data *data = if_mii(ifr);
+ unsigned long flags;
+
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ data->phy_id = 0;
+ break;
+ case SIOCGMIIREG:
+ spin_lock_irqsave(&adapter->stats_lock, flags);
+ if (atl2_read_phy_reg(&adapter->hw,
+ data->reg_num & 0x1F, &data->val_out)) {
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+ return -EIO;
+ }
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+ break;
+ case SIOCSMIIREG:
+ if (data->reg_num & ~(0x1F))
+ return -EFAULT;
+ spin_lock_irqsave(&adapter->stats_lock, flags);
+ if (atl2_write_phy_reg(&adapter->hw, data->reg_num,
+ data->val_in)) {
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+ return -EIO;
+ }
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+
+/*
+ * atl2_ioctl -
+ * @netdev:
+ * @ifreq:
+ * @cmd:
+ */
+static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ case SIOCSMIIREG:
+ return atl2_mii_ioctl(netdev, ifr, cmd);
+#ifdef ETHTOOL_OPS_COMPAT
+ case SIOCETHTOOL:
+ return ethtool_ioctl(ifr);
+#endif
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+/*
+ * atl2_tx_timeout - Respond to a Tx Hang
+ * @netdev: network interface device structure
+ */
+static void atl2_tx_timeout(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ /* Do the reset outside of interrupt context */
+ schedule_work(&adapter->reset_task);
+}
+
+/*
+ * atl2_watchdog - Timer Call-back
+ * @data: pointer to netdev cast into an unsigned long
+ */
+static void atl2_watchdog(unsigned long data)
+{
+ struct atl2_adapter *adapter = (struct atl2_adapter *) data;
+
+ if (!test_bit(__ATL2_DOWN, &adapter->flags)) {
+ u32 drop_rxd, drop_rxs;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->stats_lock, flags);
+ drop_rxd = ATL2_READ_REG(&adapter->hw, REG_STS_RXD_OV);
+ drop_rxs = ATL2_READ_REG(&adapter->hw, REG_STS_RXS_OV);
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+
+ adapter->netdev->stats.rx_over_errors += drop_rxd + drop_rxs;
+
+ /* Reset the timer */
+ mod_timer(&adapter->watchdog_timer,
+ round_jiffies(jiffies + 4 * HZ));
+ }
+}
+
+/*
+ * atl2_phy_config - Timer Call-back
+ * @data: pointer to netdev cast into an unsigned long
+ */
+static void atl2_phy_config(unsigned long data)
+{
+ struct atl2_adapter *adapter = (struct atl2_adapter *) data;
+ struct atl2_hw *hw = &adapter->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->stats_lock, flags);
+ atl2_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg);
+ atl2_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN |
+ MII_CR_RESTART_AUTO_NEG);
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+ clear_bit(0, &adapter->cfg_phy);
+}
+
+static int atl2_up(struct atl2_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ int err = 0;
+ u32 val;
+
+ /* hardware has been reset, we need to reload some things */
+
+ err = atl2_init_hw(&adapter->hw);
+ if (err) {
+ err = -EIO;
+ return err;
+ }
+
+ atl2_set_multi(netdev);
+ init_ring_ptrs(adapter);
+
+ atl2_restore_vlan(adapter);
+
+ if (atl2_configure(adapter)) {
+ err = -EIO;
+ goto err_up;
+ }
+
+ clear_bit(__ATL2_DOWN, &adapter->flags);
+
+ val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL);
+ ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, val |
+ MASTER_CTRL_MANUAL_INT);
+
+ atl2_irq_enable(adapter);
+
+err_up:
+ return err;
+}
+
+static void atl2_reinit_locked(struct atl2_adapter *adapter)
+{
+ WARN_ON(in_interrupt());
+ while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags))
+ msleep(1);
+ atl2_down(adapter);
+ atl2_up(adapter);
+ clear_bit(__ATL2_RESETTING, &adapter->flags);
+}
+
+static void atl2_reset_task(struct work_struct *work)
+{
+ struct atl2_adapter *adapter;
+ adapter = container_of(work, struct atl2_adapter, reset_task);
+
+ atl2_reinit_locked(adapter);
+}
+
+static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter)
+{
+ u32 value;
+ struct atl2_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+
+ /* Config MAC CTRL Register */
+ value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY;
+
+ /* duplex */
+ if (FULL_DUPLEX == adapter->link_duplex)
+ value |= MAC_CTRL_DUPLX;
+
+ /* flow control */
+ value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW);
+
+ /* PAD & CRC */
+ value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD);
+
+ /* preamble length */
+ value |= (((u32)adapter->hw.preamble_len & MAC_CTRL_PRMLEN_MASK) <<
+ MAC_CTRL_PRMLEN_SHIFT);
+
+ /* vlan */
+ __atl2_vlan_mode(netdev->features, &value);
+
+ /* filter mode */
+ value |= MAC_CTRL_BC_EN;
+ if (netdev->flags & IFF_PROMISC)
+ value |= MAC_CTRL_PROMIS_EN;
+ else if (netdev->flags & IFF_ALLMULTI)
+ value |= MAC_CTRL_MC_ALL_EN;
+
+ /* half retry buffer */
+ value |= (((u32)(adapter->hw.retry_buf &
+ MAC_CTRL_HALF_LEFT_BUF_MASK)) << MAC_CTRL_HALF_LEFT_BUF_SHIFT);
+
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, value);
+}
+
+static int atl2_check_link(struct atl2_adapter *adapter)
+{
+ struct atl2_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+ int ret_val;
+ u16 speed, duplex, phy_data;
+ int reconfig = 0;
+
+ /* MII_BMSR must read twise */
+ atl2_read_phy_reg(hw, MII_BMSR, &phy_data);
+ atl2_read_phy_reg(hw, MII_BMSR, &phy_data);
+ if (!(phy_data&BMSR_LSTATUS)) { /* link down */
+ if (netif_carrier_ok(netdev)) { /* old link state: Up */
+ u32 value;
+ /* disable rx */
+ value = ATL2_READ_REG(hw, REG_MAC_CTRL);
+ value &= ~MAC_CTRL_RX_EN;
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, value);
+ adapter->link_speed = SPEED_0;
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
+ return 0;
+ }
+
+ /* Link Up */
+ ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex);
+ if (ret_val)
+ return ret_val;
+ switch (hw->MediaType) {
+ case MEDIA_TYPE_100M_FULL:
+ if (speed != SPEED_100 || duplex != FULL_DUPLEX)
+ reconfig = 1;
+ break;
+ case MEDIA_TYPE_100M_HALF:
+ if (speed != SPEED_100 || duplex != HALF_DUPLEX)
+ reconfig = 1;
+ break;
+ case MEDIA_TYPE_10M_FULL:
+ if (speed != SPEED_10 || duplex != FULL_DUPLEX)
+ reconfig = 1;
+ break;
+ case MEDIA_TYPE_10M_HALF:
+ if (speed != SPEED_10 || duplex != HALF_DUPLEX)
+ reconfig = 1;
+ break;
+ }
+ /* link result is our setting */
+ if (reconfig == 0) {
+ if (adapter->link_speed != speed ||
+ adapter->link_duplex != duplex) {
+ adapter->link_speed = speed;
+ adapter->link_duplex = duplex;
+ atl2_setup_mac_ctrl(adapter);
+ printk(KERN_INFO "%s: %s NIC Link is Up<%d Mbps %s>\n",
+ atl2_driver_name, netdev->name,
+ adapter->link_speed,
+ adapter->link_duplex == FULL_DUPLEX ?
+ "Full Duplex" : "Half Duplex");
+ }
+
+ if (!netif_carrier_ok(netdev)) { /* Link down -> Up */
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
+ }
+ return 0;
+ }
+
+ /* change original link status */
+ if (netif_carrier_ok(netdev)) {
+ u32 value;
+ /* disable rx */
+ value = ATL2_READ_REG(hw, REG_MAC_CTRL);
+ value &= ~MAC_CTRL_RX_EN;
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, value);
+
+ adapter->link_speed = SPEED_0;
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
+
+ /* auto-neg, insert timer to re-config phy
+ * (if interval smaller than 5 seconds, something strange) */
+ if (!test_bit(__ATL2_DOWN, &adapter->flags)) {
+ if (!test_and_set_bit(0, &adapter->cfg_phy))
+ mod_timer(&adapter->phy_config_timer,
+ round_jiffies(jiffies + 5 * HZ));
+ }
+
+ return 0;
+}
+
+/*
+ * atl2_link_chg_task - deal with link change event Out of interrupt context
+ * @netdev: network interface device structure
+ */
+static void atl2_link_chg_task(struct work_struct *work)
+{
+ struct atl2_adapter *adapter;
+ unsigned long flags;
+
+ adapter = container_of(work, struct atl2_adapter, link_chg_task);
+
+ spin_lock_irqsave(&adapter->stats_lock, flags);
+ atl2_check_link(adapter);
+ spin_unlock_irqrestore(&adapter->stats_lock, flags);
+}
+
+static void atl2_setup_pcicmd(struct pci_dev *pdev)
+{
+ u16 cmd;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+
+ if (cmd & PCI_COMMAND_INTX_DISABLE)
+ cmd &= ~PCI_COMMAND_INTX_DISABLE;
+ if (cmd & PCI_COMMAND_IO)
+ cmd &= ~PCI_COMMAND_IO;
+ if (0 == (cmd & PCI_COMMAND_MEMORY))
+ cmd |= PCI_COMMAND_MEMORY;
+ if (0 == (cmd & PCI_COMMAND_MASTER))
+ cmd |= PCI_COMMAND_MASTER;
+ pci_write_config_word(pdev, PCI_COMMAND, cmd);
+
+ /*
+ * some motherboards BIOS(PXE/EFI) driver may set PME
+ * while they transfer control to OS (Windows/Linux)
+ * so we should clear this bit before NIC work normally
+ */
+ pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void atl2_poll_controller(struct net_device *netdev)
+{
+ disable_irq(netdev->irq);
+ atl2_intr(netdev->irq, netdev);
+ enable_irq(netdev->irq);
+}
+#endif
+
+
+static const struct net_device_ops atl2_netdev_ops = {
+ .ndo_open = atl2_open,
+ .ndo_stop = atl2_close,
+ .ndo_start_xmit = atl2_xmit_frame,
+ .ndo_set_rx_mode = atl2_set_multi,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = atl2_set_mac,
+ .ndo_change_mtu = atl2_change_mtu,
+ .ndo_fix_features = atl2_fix_features,
+ .ndo_set_features = atl2_set_features,
+ .ndo_do_ioctl = atl2_ioctl,
+ .ndo_tx_timeout = atl2_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = atl2_poll_controller,
+#endif
+};
+
+/*
+ * atl2_probe - Device Initialization Routine
+ * @pdev: PCI device information struct
+ * @ent: entry in atl2_pci_tbl
+ *
+ * Returns 0 on success, negative on failure
+ *
+ * atl2_probe initializes an adapter identified by a pci_dev structure.
+ * The OS initialization, configuring of the adapter private structure,
+ * and a hardware reset occur.
+ */
+static int __devinit atl2_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct net_device *netdev;
+ struct atl2_adapter *adapter;
+ static int cards_found;
+ unsigned long mmio_start;
+ int mmio_len;
+ int err;
+
+ cards_found = 0;
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ /*
+ * atl2 is a shared-high-32-bit device, so we're stuck with 32-bit DMA
+ * until the kernel has the proper infrastructure to support 64-bit DMA
+ * on these devices.
+ */
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
+ pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n");
+ goto err_dma;
+ }
+
+ /* Mark all PCI regions associated with PCI device
+ * pdev as being reserved by owner atl2_driver_name */
+ err = pci_request_regions(pdev, atl2_driver_name);
+ if (err)
+ goto err_pci_reg;
+
+ /* Enables bus-mastering on the device and calls
+ * pcibios_set_master to do the needed arch specific settings */
+ pci_set_master(pdev);
+
+ err = -ENOMEM;
+ netdev = alloc_etherdev(sizeof(struct atl2_adapter));
+ if (!netdev)
+ goto err_alloc_etherdev;
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+
+ pci_set_drvdata(pdev, netdev);
+ adapter = netdev_priv(netdev);
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
+ adapter->hw.back = adapter;
+
+ mmio_start = pci_resource_start(pdev, 0x0);
+ mmio_len = pci_resource_len(pdev, 0x0);
+
+ adapter->hw.mem_rang = (u32)mmio_len;
+ adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
+ if (!adapter->hw.hw_addr) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+
+ atl2_setup_pcicmd(pdev);
+
+ netdev->netdev_ops = &atl2_netdev_ops;
+ atl2_set_ethtool_ops(netdev);
+ netdev->watchdog_timeo = 5 * HZ;
+ strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
+
+ netdev->mem_start = mmio_start;
+ netdev->mem_end = mmio_start + mmio_len;
+ adapter->bd_number = cards_found;
+ adapter->pci_using_64 = false;
+
+ /* setup the private structure */
+ err = atl2_sw_init(adapter);
+ if (err)
+ goto err_sw_init;
+
+ err = -EIO;
+
+ netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX;
+ netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
+
+ /* Init PHY as early as possible due to power saving issue */
+ atl2_phy_init(&adapter->hw);
+
+ /* reset the controller to
+ * put the device in a known good starting state */
+
+ if (atl2_reset_hw(&adapter->hw)) {
+ err = -EIO;
+ goto err_reset;
+ }
+
+ /* copy the MAC address out of the EEPROM */
+ atl2_read_mac_addr(&adapter->hw);
+ memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
+/* FIXME: do we still need this? */
+#ifdef ETHTOOL_GPERMADDR
+ memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
+
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
+#else
+ if (!is_valid_ether_addr(netdev->dev_addr)) {
+#endif
+ err = -EIO;
+ goto err_eeprom;
+ }
+
+ atl2_check_options(adapter);
+
+ init_timer(&adapter->watchdog_timer);
+ adapter->watchdog_timer.function = atl2_watchdog;
+ adapter->watchdog_timer.data = (unsigned long) adapter;
+
+ init_timer(&adapter->phy_config_timer);
+ adapter->phy_config_timer.function = atl2_phy_config;
+ adapter->phy_config_timer.data = (unsigned long) adapter;
+
+ INIT_WORK(&adapter->reset_task, atl2_reset_task);
+ INIT_WORK(&adapter->link_chg_task, atl2_link_chg_task);
+
+ strcpy(netdev->name, "eth%d"); /* ?? */
+ err = register_netdev(netdev);
+ if (err)
+ goto err_register;
+
+ /* assume we have no link for now */
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ cards_found++;
+
+ return 0;
+
+err_reset:
+err_register:
+err_sw_init:
+err_eeprom:
+ iounmap(adapter->hw.hw_addr);
+err_ioremap:
+ free_netdev(netdev);
+err_alloc_etherdev:
+ pci_release_regions(pdev);
+err_pci_reg:
+err_dma:
+ pci_disable_device(pdev);
+ return err;
+}
+
+/*
+ * atl2_remove - Device Removal Routine
+ * @pdev: PCI device information struct
+ *
+ * atl2_remove is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device. The could be caused by a
+ * Hot-Plug event, or because the driver is going to be removed from
+ * memory.
+ */
+/* FIXME: write the original MAC address back in case it was changed from a
+ * BIOS-set value, as in atl1 -- CHS */
+static void __devexit atl2_remove(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ /* flush_scheduled work may reschedule our watchdog task, so
+ * explicitly disable watchdog tasks from being rescheduled */
+ set_bit(__ATL2_DOWN, &adapter->flags);
+
+ del_timer_sync(&adapter->watchdog_timer);
+ del_timer_sync(&adapter->phy_config_timer);
+ cancel_work_sync(&adapter->reset_task);
+ cancel_work_sync(&adapter->link_chg_task);
+
+ unregister_netdev(netdev);
+
+ atl2_force_ps(&adapter->hw);
+
+ iounmap(adapter->hw.hw_addr);
+ pci_release_regions(pdev);
+
+ free_netdev(netdev);
+
+ pci_disable_device(pdev);
+}
+
+static int atl2_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+ u16 speed, duplex;
+ u32 ctrl = 0;
+ u32 wufc = adapter->wol;
+
+#ifdef CONFIG_PM
+ int retval = 0;
+#endif
+
+ netif_device_detach(netdev);
+
+ if (netif_running(netdev)) {
+ WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags));
+ atl2_down(adapter);
+ }
+
+#ifdef CONFIG_PM
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
+#endif
+
+ atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl);
+ atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl);
+ if (ctrl & BMSR_LSTATUS)
+ wufc &= ~ATLX_WUFC_LNKC;
+
+ if (0 != (ctrl & BMSR_LSTATUS) && 0 != wufc) {
+ u32 ret_val;
+ /* get current link speed & duplex */
+ ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex);
+ if (ret_val) {
+ printk(KERN_DEBUG
+ "%s: get speed&duplex error while suspend\n",
+ atl2_driver_name);
+ goto wol_dis;
+ }
+
+ ctrl = 0;
+
+ /* turn on magic packet wol */
+ if (wufc & ATLX_WUFC_MAG)
+ ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN);
+
+ /* ignore Link Chg event when Link is up */
+ ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl);
+
+ /* Config MAC CTRL Register */
+ ctrl = MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY;
+ if (FULL_DUPLEX == adapter->link_duplex)
+ ctrl |= MAC_CTRL_DUPLX;
+ ctrl |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD);
+ ctrl |= (((u32)adapter->hw.preamble_len &
+ MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
+ ctrl |= (((u32)(adapter->hw.retry_buf &
+ MAC_CTRL_HALF_LEFT_BUF_MASK)) <<
+ MAC_CTRL_HALF_LEFT_BUF_SHIFT);
+ if (wufc & ATLX_WUFC_MAG) {
+ /* magic packet maybe Broadcast&multicast&Unicast */
+ ctrl |= MAC_CTRL_BC_EN;
+ }
+
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, ctrl);
+
+ /* pcie patch */
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC);
+ ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+ ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl);
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1);
+ ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK;
+ ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl);
+
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+ goto suspend_exit;
+ }
+
+ if (0 == (ctrl&BMSR_LSTATUS) && 0 != (wufc&ATLX_WUFC_LNKC)) {
+ /* link is down, so only LINK CHG WOL event enable */
+ ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
+ ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl);
+ ATL2_WRITE_REG(hw, REG_MAC_CTRL, 0);
+
+ /* pcie patch */
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC);
+ ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+ ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl);
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1);
+ ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK;
+ ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl);
+
+ hw->phy_configured = false; /* re-init PHY when resume */
+
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+
+ goto suspend_exit;
+ }
+
+wol_dis:
+ /* WOL disabled */
+ ATL2_WRITE_REG(hw, REG_WOL_CTRL, 0);
+
+ /* pcie patch */
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC);
+ ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+ ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl);
+ ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1);
+ ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK;
+ ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl);
+
+ atl2_force_ps(hw);
+ hw->phy_configured = false; /* re-init PHY when resume */
+
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+
+suspend_exit:
+ if (netif_running(netdev))
+ atl2_free_irq(adapter);
+
+ pci_disable_device(pdev);
+
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int atl2_resume(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ u32 err;
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR
+ "atl2: Cannot enable PCI device from suspend\n");
+ return err;
+ }
+
+ pci_set_master(pdev);
+
+ ATL2_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */
+
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
+
+ ATL2_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0);
+
+ if (netif_running(netdev)) {
+ err = atl2_request_irq(adapter);
+ if (err)
+ return err;
+ }
+
+ atl2_reset_hw(&adapter->hw);
+
+ if (netif_running(netdev))
+ atl2_up(adapter);
+
+ netif_device_attach(netdev);
+
+ return 0;
+}
+#endif
+
+static void atl2_shutdown(struct pci_dev *pdev)
+{
+ atl2_suspend(pdev, PMSG_SUSPEND);
+}
+
+static struct pci_driver atl2_driver = {
+ .name = atl2_driver_name,
+ .id_table = atl2_pci_tbl,
+ .probe = atl2_probe,
+ .remove = __devexit_p(atl2_remove),
+ /* Power Management Hooks */
+ .suspend = atl2_suspend,
+#ifdef CONFIG_PM
+ .resume = atl2_resume,
+#endif
+ .shutdown = atl2_shutdown,
+};
+
+/*
+ * atl2_init_module - Driver Registration Routine
+ *
+ * atl2_init_module is the first routine called when the driver is
+ * loaded. All it does is register with the PCI subsystem.
+ */
+static int __init atl2_init_module(void)
+{
+ printk(KERN_INFO "%s - version %s\n", atl2_driver_string,
+ atl2_driver_version);
+ printk(KERN_INFO "%s\n", atl2_copyright);
+ return pci_register_driver(&atl2_driver);
+}
+module_init(atl2_init_module);
+
+/*
+ * atl2_exit_module - Driver Exit Cleanup Routine
+ *
+ * atl2_exit_module is called just before the driver is removed
+ * from memory.
+ */
+static void __exit atl2_exit_module(void)
+{
+ pci_unregister_driver(&atl2_driver);
+}
+module_exit(atl2_exit_module);
+
+static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value)
+{
+ struct atl2_adapter *adapter = hw->back;
+ pci_read_config_word(adapter->pdev, reg, value);
+}
+
+static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value)
+{
+ struct atl2_adapter *adapter = hw->back;
+ pci_write_config_word(adapter->pdev, reg, *value);
+}
+
+static int atl2_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+
+ ecmd->supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_Autoneg |
+ SUPPORTED_TP);
+ ecmd->advertising = ADVERTISED_TP;
+
+ ecmd->advertising |= ADVERTISED_Autoneg;
+ ecmd->advertising |= hw->autoneg_advertised;
+
+ ecmd->port = PORT_TP;
+ ecmd->phy_address = 0;
+ ecmd->transceiver = XCVR_INTERNAL;
+
+ if (adapter->link_speed != SPEED_0) {
+ ethtool_cmd_speed_set(ecmd, adapter->link_speed);
+ if (adapter->link_duplex == FULL_DUPLEX)
+ ecmd->duplex = DUPLEX_FULL;
+ else
+ ecmd->duplex = DUPLEX_HALF;
+ } else {
+ ethtool_cmd_speed_set(ecmd, -1);
+ ecmd->duplex = -1;
+ }
+
+ ecmd->autoneg = AUTONEG_ENABLE;
+ return 0;
+}
+
+static int atl2_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+
+ while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags))
+ msleep(1);
+
+ if (ecmd->autoneg == AUTONEG_ENABLE) {
+#define MY_ADV_MASK (ADVERTISE_10_HALF | \
+ ADVERTISE_10_FULL | \
+ ADVERTISE_100_HALF| \
+ ADVERTISE_100_FULL)
+
+ if ((ecmd->advertising & MY_ADV_MASK) == MY_ADV_MASK) {
+ hw->MediaType = MEDIA_TYPE_AUTO_SENSOR;
+ hw->autoneg_advertised = MY_ADV_MASK;
+ } else if ((ecmd->advertising & MY_ADV_MASK) ==
+ ADVERTISE_100_FULL) {
+ hw->MediaType = MEDIA_TYPE_100M_FULL;
+ hw->autoneg_advertised = ADVERTISE_100_FULL;
+ } else if ((ecmd->advertising & MY_ADV_MASK) ==
+ ADVERTISE_100_HALF) {
+ hw->MediaType = MEDIA_TYPE_100M_HALF;
+ hw->autoneg_advertised = ADVERTISE_100_HALF;
+ } else if ((ecmd->advertising & MY_ADV_MASK) ==
+ ADVERTISE_10_FULL) {
+ hw->MediaType = MEDIA_TYPE_10M_FULL;
+ hw->autoneg_advertised = ADVERTISE_10_FULL;
+ } else if ((ecmd->advertising & MY_ADV_MASK) ==
+ ADVERTISE_10_HALF) {
+ hw->MediaType = MEDIA_TYPE_10M_HALF;
+ hw->autoneg_advertised = ADVERTISE_10_HALF;
+ } else {
+ clear_bit(__ATL2_RESETTING, &adapter->flags);
+ return -EINVAL;
+ }
+ ecmd->advertising = hw->autoneg_advertised |
+ ADVERTISED_TP | ADVERTISED_Autoneg;
+ } else {
+ clear_bit(__ATL2_RESETTING, &adapter->flags);
+ return -EINVAL;
+ }
+
+ /* reset the link */
+ if (netif_running(adapter->netdev)) {
+ atl2_down(adapter);
+ atl2_up(adapter);
+ } else
+ atl2_reset_hw(&adapter->hw);
+
+ clear_bit(__ATL2_RESETTING, &adapter->flags);
+ return 0;
+}
+
+static u32 atl2_get_msglevel(struct net_device *netdev)
+{
+ return 0;
+}
+
+/*
+ * It's sane for this to be empty, but we might want to take advantage of this.
+ */
+static void atl2_set_msglevel(struct net_device *netdev, u32 data)
+{
+}
+
+static int atl2_get_regs_len(struct net_device *netdev)
+{
+#define ATL2_REGS_LEN 42
+ return sizeof(u32) * ATL2_REGS_LEN;
+}
+
+static void atl2_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+ u32 *regs_buff = p;
+ u16 phy_data;
+
+ memset(p, 0, sizeof(u32) * ATL2_REGS_LEN);
+
+ regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
+
+ regs_buff[0] = ATL2_READ_REG(hw, REG_VPD_CAP);
+ regs_buff[1] = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL);
+ regs_buff[2] = ATL2_READ_REG(hw, REG_SPI_FLASH_CONFIG);
+ regs_buff[3] = ATL2_READ_REG(hw, REG_TWSI_CTRL);
+ regs_buff[4] = ATL2_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
+ regs_buff[5] = ATL2_READ_REG(hw, REG_MASTER_CTRL);
+ regs_buff[6] = ATL2_READ_REG(hw, REG_MANUAL_TIMER_INIT);
+ regs_buff[7] = ATL2_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
+ regs_buff[8] = ATL2_READ_REG(hw, REG_PHY_ENABLE);
+ regs_buff[9] = ATL2_READ_REG(hw, REG_CMBDISDMA_TIMER);
+ regs_buff[10] = ATL2_READ_REG(hw, REG_IDLE_STATUS);
+ regs_buff[11] = ATL2_READ_REG(hw, REG_MDIO_CTRL);
+ regs_buff[12] = ATL2_READ_REG(hw, REG_SERDES_LOCK);
+ regs_buff[13] = ATL2_READ_REG(hw, REG_MAC_CTRL);
+ regs_buff[14] = ATL2_READ_REG(hw, REG_MAC_IPG_IFG);
+ regs_buff[15] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR);
+ regs_buff[16] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR+4);
+ regs_buff[17] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE);
+ regs_buff[18] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE+4);
+ regs_buff[19] = ATL2_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
+ regs_buff[20] = ATL2_READ_REG(hw, REG_MTU);
+ regs_buff[21] = ATL2_READ_REG(hw, REG_WOL_CTRL);
+ regs_buff[22] = ATL2_READ_REG(hw, REG_SRAM_TXRAM_END);
+ regs_buff[23] = ATL2_READ_REG(hw, REG_DESC_BASE_ADDR_HI);
+ regs_buff[24] = ATL2_READ_REG(hw, REG_TXD_BASE_ADDR_LO);
+ regs_buff[25] = ATL2_READ_REG(hw, REG_TXD_MEM_SIZE);
+ regs_buff[26] = ATL2_READ_REG(hw, REG_TXS_BASE_ADDR_LO);
+ regs_buff[27] = ATL2_READ_REG(hw, REG_TXS_MEM_SIZE);
+ regs_buff[28] = ATL2_READ_REG(hw, REG_RXD_BASE_ADDR_LO);
+ regs_buff[29] = ATL2_READ_REG(hw, REG_RXD_BUF_NUM);
+ regs_buff[30] = ATL2_READ_REG(hw, REG_DMAR);
+ regs_buff[31] = ATL2_READ_REG(hw, REG_TX_CUT_THRESH);
+ regs_buff[32] = ATL2_READ_REG(hw, REG_DMAW);
+ regs_buff[33] = ATL2_READ_REG(hw, REG_PAUSE_ON_TH);
+ regs_buff[34] = ATL2_READ_REG(hw, REG_PAUSE_OFF_TH);
+ regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX);
+ regs_buff[36] = ATL2_READ_REG(hw, REG_MB_RXD_RD_IDX);
+ regs_buff[38] = ATL2_READ_REG(hw, REG_ISR);
+ regs_buff[39] = ATL2_READ_REG(hw, REG_IMR);
+
+ atl2_read_phy_reg(hw, MII_BMCR, &phy_data);
+ regs_buff[40] = (u32)phy_data;
+ atl2_read_phy_reg(hw, MII_BMSR, &phy_data);
+ regs_buff[41] = (u32)phy_data;
+}
+
+static int atl2_get_eeprom_len(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ if (!atl2_check_eeprom_exist(&adapter->hw))
+ return 512;
+ else
+ return 0;
+}
+
+static int atl2_get_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+ u32 *eeprom_buff;
+ int first_dword, last_dword;
+ int ret_val = 0;
+ int i;
+
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ if (atl2_check_eeprom_exist(hw))
+ return -EINVAL;
+
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+ first_dword = eeprom->offset >> 2;
+ last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
+
+ eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1),
+ GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ for (i = first_dword; i < last_dword; i++) {
+ if (!atl2_read_eeprom(hw, i*4, &(eeprom_buff[i-first_dword]))) {
+ ret_val = -EIO;
+ goto free;
+ }
+ }
+
+ memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
+ eeprom->len);
+free:
+ kfree(eeprom_buff);
+
+ return ret_val;
+}
+
+static int atl2_set_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ struct atl2_hw *hw = &adapter->hw;
+ u32 *eeprom_buff;
+ u32 *ptr;
+ int max_len, first_dword, last_dword, ret_val = 0;
+ int i;
+
+ if (eeprom->len == 0)
+ return -EOPNOTSUPP;
+
+ if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+ return -EFAULT;
+
+ max_len = 512;
+
+ first_dword = eeprom->offset >> 2;
+ last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
+ eeprom_buff = kmalloc(max_len, GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ ptr = eeprom_buff;
+
+ if (eeprom->offset & 3) {
+ /* need read/modify/write of first changed EEPROM word */
+ /* only the second byte of the word is being modified */
+ if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) {
+ ret_val = -EIO;
+ goto out;
+ }
+ ptr++;
+ }
+ if (((eeprom->offset + eeprom->len) & 3)) {
+ /*
+ * need read/modify/write of last changed EEPROM word
+ * only the first byte of the word is being modified
+ */
+ if (!atl2_read_eeprom(hw, last_dword * 4,
+ &(eeprom_buff[last_dword - first_dword]))) {
+ ret_val = -EIO;
+ goto out;
+ }
+ }
+
+ /* Device's eeprom is always little-endian, word addressable */
+ memcpy(ptr, bytes, eeprom->len);
+
+ for (i = 0; i < last_dword - first_dword + 1; i++) {
+ if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) {
+ ret_val = -EIO;
+ goto out;
+ }
+ }
+ out:
+ kfree(eeprom_buff);
+ return ret_val;
+}
+
+static void atl2_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ strncpy(drvinfo->driver, atl2_driver_name, 32);
+ strncpy(drvinfo->version, atl2_driver_version, 32);
+ strncpy(drvinfo->fw_version, "L2", 32);
+ strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
+ drvinfo->n_stats = 0;
+ drvinfo->testinfo_len = 0;
+ drvinfo->regdump_len = atl2_get_regs_len(netdev);
+ drvinfo->eedump_len = atl2_get_eeprom_len(netdev);
+}
+
+static void atl2_get_wol(struct net_device *netdev,
+ struct ethtool_wolinfo *wol)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ wol->supported = WAKE_MAGIC;
+ wol->wolopts = 0;
+
+ if (adapter->wol & ATLX_WUFC_EX)
+ wol->wolopts |= WAKE_UCAST;
+ if (adapter->wol & ATLX_WUFC_MC)
+ wol->wolopts |= WAKE_MCAST;
+ if (adapter->wol & ATLX_WUFC_BC)
+ wol->wolopts |= WAKE_BCAST;
+ if (adapter->wol & ATLX_WUFC_MAG)
+ wol->wolopts |= WAKE_MAGIC;
+ if (adapter->wol & ATLX_WUFC_LNKC)
+ wol->wolopts |= WAKE_PHY;
+}
+
+static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+
+ if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE))
+ return -EOPNOTSUPP;
+
+ if (wol->wolopts & (WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
+ return -EOPNOTSUPP;
+
+ /* these settings will always override what we currently have */
+ adapter->wol = 0;
+
+ if (wol->wolopts & WAKE_MAGIC)
+ adapter->wol |= ATLX_WUFC_MAG;
+ if (wol->wolopts & WAKE_PHY)
+ adapter->wol |= ATLX_WUFC_LNKC;
+
+ return 0;
+}
+
+static int atl2_nway_reset(struct net_device *netdev)
+{
+ struct atl2_adapter *adapter = netdev_priv(netdev);
+ if (netif_running(netdev))
+ atl2_reinit_locked(adapter);
+ return 0;
+}
+
+static const struct ethtool_ops atl2_ethtool_ops = {
+ .get_settings = atl2_get_settings,
+ .set_settings = atl2_set_settings,
+ .get_drvinfo = atl2_get_drvinfo,
+ .get_regs_len = atl2_get_regs_len,
+ .get_regs = atl2_get_regs,
+ .get_wol = atl2_get_wol,
+ .set_wol = atl2_set_wol,
+ .get_msglevel = atl2_get_msglevel,
+ .set_msglevel = atl2_set_msglevel,
+ .nway_reset = atl2_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = atl2_get_eeprom_len,
+ .get_eeprom = atl2_get_eeprom,
+ .set_eeprom = atl2_set_eeprom,
+};
+
+static void atl2_set_ethtool_ops(struct net_device *netdev)
+{
+ SET_ETHTOOL_OPS(netdev, &atl2_ethtool_ops);
+}
+
+#define LBYTESWAP(a) ((((a) & 0x00ff00ff) << 8) | \
+ (((a) & 0xff00ff00) >> 8))
+#define LONGSWAP(a) ((LBYTESWAP(a) << 16) | (LBYTESWAP(a) >> 16))
+#define SHORTSWAP(a) (((a) << 8) | ((a) >> 8))
+
+/*
+ * Reset the transmit and receive units; mask and clear all interrupts.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * return : 0 or idle status (if error)
+ */
+static s32 atl2_reset_hw(struct atl2_hw *hw)
+{
+ u32 icr;
+ u16 pci_cfg_cmd_word;
+ int i;
+
+ /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
+ atl2_read_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word);
+ if ((pci_cfg_cmd_word &
+ (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) !=
+ (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) {
+ pci_cfg_cmd_word |=
+ (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER);
+ atl2_write_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word);
+ }
+
+ /* Clear Interrupt mask to stop board from generating
+ * interrupts & Clear any pending interrupt events
+ */
+ /* FIXME */
+ /* ATL2_WRITE_REG(hw, REG_IMR, 0); */
+ /* ATL2_WRITE_REG(hw, REG_ISR, 0xffffffff); */
+
+ /* Issue Soft Reset to the MAC. This will reset the chip's
+ * transmit, receive, DMA. It will not effect
+ * the current PCI configuration. The global reset bit is self-
+ * clearing, and should clear within a microsecond.
+ */
+ ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST);
+ wmb();
+ msleep(1); /* delay about 1ms */
+
+ /* Wait at least 10ms for All module to be Idle */
+ for (i = 0; i < 10; i++) {
+ icr = ATL2_READ_REG(hw, REG_IDLE_STATUS);
+ if (!icr)
+ break;
+ msleep(1); /* delay 1 ms */
+ cpu_relax();
+ }
+
+ if (icr)
+ return icr;
+
+ return 0;
+}
+
+#define CUSTOM_SPI_CS_SETUP 2
+#define CUSTOM_SPI_CLK_HI 2
+#define CUSTOM_SPI_CLK_LO 2
+#define CUSTOM_SPI_CS_HOLD 2
+#define CUSTOM_SPI_CS_HI 3
+
+static struct atl2_spi_flash_dev flash_table[] =
+{
+/* MFR WRSR READ PROGRAM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */
+{"Atmel", 0x0, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62 },
+{"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60 },
+{"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7 },
+};
+
+static bool atl2_spi_read(struct atl2_hw *hw, u32 addr, u32 *buf)
+{
+ int i;
+ u32 value;
+
+ ATL2_WRITE_REG(hw, REG_SPI_DATA, 0);
+ ATL2_WRITE_REG(hw, REG_SPI_ADDR, addr);
+
+ value = SPI_FLASH_CTRL_WAIT_READY |
+ (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) <<
+ SPI_FLASH_CTRL_CS_SETUP_SHIFT |
+ (CUSTOM_SPI_CLK_HI & SPI_FLASH_CTRL_CLK_HI_MASK) <<
+ SPI_FLASH_CTRL_CLK_HI_SHIFT |
+ (CUSTOM_SPI_CLK_LO & SPI_FLASH_CTRL_CLK_LO_MASK) <<
+ SPI_FLASH_CTRL_CLK_LO_SHIFT |
+ (CUSTOM_SPI_CS_HOLD & SPI_FLASH_CTRL_CS_HOLD_MASK) <<
+ SPI_FLASH_CTRL_CS_HOLD_SHIFT |
+ (CUSTOM_SPI_CS_HI & SPI_FLASH_CTRL_CS_HI_MASK) <<
+ SPI_FLASH_CTRL_CS_HI_SHIFT |
+ (0x1 & SPI_FLASH_CTRL_INS_MASK) << SPI_FLASH_CTRL_INS_SHIFT;
+
+ ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
+
+ value |= SPI_FLASH_CTRL_START;
+
+ ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
+
+ for (i = 0; i < 10; i++) {
+ msleep(1);
+ value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL);
+ if (!(value & SPI_FLASH_CTRL_START))
+ break;
+ }
+
+ if (value & SPI_FLASH_CTRL_START)
+ return false;
+
+ *buf = ATL2_READ_REG(hw, REG_SPI_DATA);
+
+ return true;
+}
+
+/*
+ * get_permanent_address
+ * return 0 if get valid mac address,
+ */
+static int get_permanent_address(struct atl2_hw *hw)
+{
+ u32 Addr[2];
+ u32 i, Control;
+ u16 Register;
+ u8 EthAddr[NODE_ADDRESS_SIZE];
+ bool KeyValid;
+
+ if (is_valid_ether_addr(hw->perm_mac_addr))
+ return 0;
+
+ Addr[0] = 0;
+ Addr[1] = 0;
+
+ if (!atl2_check_eeprom_exist(hw)) { /* eeprom exists */
+ Register = 0;
+ KeyValid = false;
+
+ /* Read out all EEPROM content */
+ i = 0;
+ while (1) {
+ if (atl2_read_eeprom(hw, i + 0x100, &Control)) {
+ if (KeyValid) {
+ if (Register == REG_MAC_STA_ADDR)
+ Addr[0] = Control;
+ else if (Register ==
+ (REG_MAC_STA_ADDR + 4))
+ Addr[1] = Control;
+ KeyValid = false;
+ } else if ((Control & 0xff) == 0x5A) {
+ KeyValid = true;
+ Register = (u16) (Control >> 16);
+ } else {
+ /* assume data end while encount an invalid KEYWORD */
+ break;
+ }
+ } else {
+ break; /* read error */
+ }
+ i += 4;
+ }
+
+ *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]);
+ *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]);
+
+ if (is_valid_ether_addr(EthAddr)) {
+ memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE);
+ return 0;
+ }
+ return 1;
+ }
+
+ /* see if SPI flash exists? */
+ Addr[0] = 0;
+ Addr[1] = 0;
+ Register = 0;
+ KeyValid = false;
+ i = 0;
+ while (1) {
+ if (atl2_spi_read(hw, i + 0x1f000, &Control)) {
+ if (KeyValid) {
+ if (Register == REG_MAC_STA_ADDR)
+ Addr[0] = Control;
+ else if (Register == (REG_MAC_STA_ADDR + 4))
+ Addr[1] = Control;
+ KeyValid = false;
+ } else if ((Control & 0xff) == 0x5A) {
+ KeyValid = true;
+ Register = (u16) (Control >> 16);
+ } else {
+ break; /* data end */
+ }
+ } else {
+ break; /* read error */
+ }
+ i += 4;
+ }
+
+ *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]);
+ *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *)&Addr[1]);
+ if (is_valid_ether_addr(EthAddr)) {
+ memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE);
+ return 0;
+ }
+ /* maybe MAC-address is from BIOS */
+ Addr[0] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR);
+ Addr[1] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR + 4);
+ *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]);
+ *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]);
+
+ if (is_valid_ether_addr(EthAddr)) {
+ memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE);
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ * Reads the adapter's MAC address from the EEPROM
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+static s32 atl2_read_mac_addr(struct atl2_hw *hw)
+{
+ u16 i;
+
+ if (get_permanent_address(hw)) {
+ /* for test */
+ /* FIXME: shouldn't we use random_ether_addr() here? */
+ hw->perm_mac_addr[0] = 0x00;
+ hw->perm_mac_addr[1] = 0x13;
+ hw->perm_mac_addr[2] = 0x74;
+ hw->perm_mac_addr[3] = 0x00;
+ hw->perm_mac_addr[4] = 0x5c;
+ hw->perm_mac_addr[5] = 0x38;
+ }
+
+ for (i = 0; i < NODE_ADDRESS_SIZE; i++)
+ hw->mac_addr[i] = hw->perm_mac_addr[i];
+
+ return 0;
+}
+
+/*
+ * Hashes an address to determine its location in the multicast table
+ *
+ * hw - Struct containing variables accessed by shared code
+ * mc_addr - the multicast address to hash
+ *
+ * atl2_hash_mc_addr
+ * purpose
+ * set hash value for a multicast address
+ * hash calcu processing :
+ * 1. calcu 32bit CRC for multicast address
+ * 2. reverse crc with MSB to LSB
+ */
+static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr)
+{
+ u32 crc32, value;
+ int i;
+
+ value = 0;
+ crc32 = ether_crc_le(6, mc_addr);
+
+ for (i = 0; i < 32; i++)
+ value |= (((crc32 >> i) & 1) << (31 - i));
+
+ return value;
+}
+
+/*
+ * Sets the bit in the multicast table corresponding to the hash value.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * hash_value - Multicast address hash value
+ */
+static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value)
+{
+ u32 hash_bit, hash_reg;
+ u32 mta;
+
+ /* The HASH Table is a register array of 2 32-bit registers.
+ * It is treated like an array of 64 bits. We want to set
+ * bit BitArray[hash_value]. So we figure out what register
+ * the bit is in, read it, OR in the new bit, then write
+ * back the new value. The register is determined by the
+ * upper 7 bits of the hash value and the bit within that
+ * register are determined by the lower 5 bits of the value.
+ */
+ hash_reg = (hash_value >> 31) & 0x1;
+ hash_bit = (hash_value >> 26) & 0x1F;
+
+ mta = ATL2_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg);
+
+ mta |= (1 << hash_bit);
+
+ ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta);
+}
+
+/*
+ * atl2_init_pcie - init PCIE module
+ */
+static void atl2_init_pcie(struct atl2_hw *hw)
+{
+ u32 value;
+ value = LTSSM_TEST_MODE_DEF;
+ ATL2_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value);
+
+ value = PCIE_DLL_TX_CTRL1_DEF;
+ ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, value);
+}
+
+static void atl2_init_flash_opcode(struct atl2_hw *hw)
+{
+ if (hw->flash_vendor >= ARRAY_SIZE(flash_table))
+ hw->flash_vendor = 0; /* ATMEL */
+
+ /* Init OP table */
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_PROGRAM,
+ flash_table[hw->flash_vendor].cmdPROGRAM);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_SC_ERASE,
+ flash_table[hw->flash_vendor].cmdSECTOR_ERASE);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_CHIP_ERASE,
+ flash_table[hw->flash_vendor].cmdCHIP_ERASE);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDID,
+ flash_table[hw->flash_vendor].cmdRDID);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WREN,
+ flash_table[hw->flash_vendor].cmdWREN);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDSR,
+ flash_table[hw->flash_vendor].cmdRDSR);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WRSR,
+ flash_table[hw->flash_vendor].cmdWRSR);
+ ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_READ,
+ flash_table[hw->flash_vendor].cmdREAD);
+}
+
+/********************************************************************
+* Performs basic configuration of the adapter.
+*
+* hw - Struct containing variables accessed by shared code
+* Assumes that the controller has previously been reset and is in a
+* post-reset uninitialized state. Initializes multicast table,
+* and Calls routines to setup link
+* Leaves the transmit and receive units disabled and uninitialized.
+********************************************************************/
+static s32 atl2_init_hw(struct atl2_hw *hw)
+{
+ u32 ret_val = 0;
+
+ atl2_init_pcie(hw);
+
+ /* Zero out the Multicast HASH table */
+ /* clear the old settings from the multicast hash table */
+ ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
+ ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
+
+ atl2_init_flash_opcode(hw);
+
+ ret_val = atl2_phy_init(hw);
+
+ return ret_val;
+}
+
+/*
+ * Detects the current speed and duplex settings of the hardware.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * speed - Speed of the connection
+ * duplex - Duplex setting of the connection
+ */
+static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed,
+ u16 *duplex)
+{
+ s32 ret_val;
+ u16 phy_data;
+
+ /* Read PHY Specific Status Register (17) */
+ ret_val = atl2_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data);
+ if (ret_val)
+ return ret_val;
+
+ if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED))
+ return ATLX_ERR_PHY_RES;
+
+ switch (phy_data & MII_ATLX_PSSR_SPEED) {
+ case MII_ATLX_PSSR_100MBS:
+ *speed = SPEED_100;
+ break;
+ case MII_ATLX_PSSR_10MBS:
+ *speed = SPEED_10;
+ break;
+ default:
+ return ATLX_ERR_PHY_SPEED;
+ break;
+ }
+
+ if (phy_data & MII_ATLX_PSSR_DPLX)
+ *duplex = FULL_DUPLEX;
+ else
+ *duplex = HALF_DUPLEX;
+
+ return 0;
+}
+
+/*
+ * Reads the value from a PHY register
+ * hw - Struct containing variables accessed by shared code
+ * reg_addr - address of the PHY register to read
+ */
+static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data)
+{
+ u32 val;
+ int i;
+
+ val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT |
+ MDIO_START |
+ MDIO_SUP_PREAMBLE |
+ MDIO_RW |
+ MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
+ ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val);
+
+ wmb();
+
+ for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+ udelay(2);
+ val = ATL2_READ_REG(hw, REG_MDIO_CTRL);
+ if (!(val & (MDIO_START | MDIO_BUSY)))
+ break;
+ wmb();
+ }
+ if (!(val & (MDIO_START | MDIO_BUSY))) {
+ *phy_data = (u16)val;
+ return 0;
+ }
+
+ return ATLX_ERR_PHY;
+}
+
+/*
+ * Writes a value to a PHY register
+ * hw - Struct containing variables accessed by shared code
+ * reg_addr - address of the PHY register to write
+ * data - data to write to the PHY
+ */
+static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data)
+{
+ int i;
+ u32 val;
+
+ val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT |
+ (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT |
+ MDIO_SUP_PREAMBLE |
+ MDIO_START |
+ MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
+ ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val);
+
+ wmb();
+
+ for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+ udelay(2);
+ val = ATL2_READ_REG(hw, REG_MDIO_CTRL);
+ if (!(val & (MDIO_START | MDIO_BUSY)))
+ break;
+
+ wmb();
+ }
+
+ if (!(val & (MDIO_START | MDIO_BUSY)))
+ return 0;
+
+ return ATLX_ERR_PHY;
+}
+
+/*
+ * Configures PHY autoneg and flow control advertisement settings
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+static s32 atl2_phy_setup_autoneg_adv(struct atl2_hw *hw)
+{
+ s32 ret_val;
+ s16 mii_autoneg_adv_reg;
+
+ /* Read the MII Auto-Neg Advertisement Register (Address 4). */
+ mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK;
+
+ /* Need to parse autoneg_advertised and set up
+ * the appropriate PHY registers. First we will parse for
+ * autoneg_advertised software override. Since we can advertise
+ * a plethora of combinations, we need to check each bit
+ * individually.
+ */
+
+ /* First we clear all the 10/100 mb speed bits in the Auto-Neg
+ * Advertisement Register (Address 4) and the 1000 mb speed bits in
+ * the 1000Base-T Control Register (Address 9). */
+ mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK;
+
+ /* Need to parse MediaType and setup the
+ * appropriate PHY registers. */
+ switch (hw->MediaType) {
+ case MEDIA_TYPE_AUTO_SENSOR:
+ mii_autoneg_adv_reg |=
+ (MII_AR_10T_HD_CAPS |
+ MII_AR_10T_FD_CAPS |
+ MII_AR_100TX_HD_CAPS|
+ MII_AR_100TX_FD_CAPS);
+ hw->autoneg_advertised =
+ ADVERTISE_10_HALF |
+ ADVERTISE_10_FULL |
+ ADVERTISE_100_HALF|
+ ADVERTISE_100_FULL;
+ break;
+ case MEDIA_TYPE_100M_FULL:
+ mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS;
+ hw->autoneg_advertised = ADVERTISE_100_FULL;
+ break;
+ case MEDIA_TYPE_100M_HALF:
+ mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS;
+ hw->autoneg_advertised = ADVERTISE_100_HALF;
+ break;
+ case MEDIA_TYPE_10M_FULL:
+ mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS;
+ hw->autoneg_advertised = ADVERTISE_10_FULL;
+ break;
+ default:
+ mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS;
+ hw->autoneg_advertised = ADVERTISE_10_HALF;
+ break;
+ }
+
+ /* flow control fixed to enable all */
+ mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE);
+
+ hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg;
+
+ ret_val = atl2_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
+
+ if (ret_val)
+ return ret_val;
+
+ return 0;
+}
+
+/*
+ * Resets the PHY and make all config validate
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * Sets bit 15 and 12 of the MII Control regiser (for F001 bug)
+ */
+static s32 atl2_phy_commit(struct atl2_hw *hw)
+{
+ s32 ret_val;
+ u16 phy_data;
+
+ phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
+ ret_val = atl2_write_phy_reg(hw, MII_BMCR, phy_data);
+ if (ret_val) {
+ u32 val;
+ int i;
+ /* pcie serdes link may be down ! */
+ for (i = 0; i < 25; i++) {
+ msleep(1);
+ val = ATL2_READ_REG(hw, REG_MDIO_CTRL);
+ if (!(val & (MDIO_START | MDIO_BUSY)))
+ break;
+ }
+
+ if (0 != (val & (MDIO_START | MDIO_BUSY))) {
+ printk(KERN_ERR "atl2: PCIe link down for at least 25ms !\n");
+ return ret_val;
+ }
+ }
+ return 0;
+}
+
+static s32 atl2_phy_init(struct atl2_hw *hw)
+{
+ s32 ret_val;
+ u16 phy_val;
+
+ if (hw->phy_configured)
+ return 0;
+
+ /* Enable PHY */
+ ATL2_WRITE_REGW(hw, REG_PHY_ENABLE, 1);
+ ATL2_WRITE_FLUSH(hw);
+ msleep(1);
+
+ /* check if the PHY is in powersaving mode */
+ atl2_write_phy_reg(hw, MII_DBG_ADDR, 0);
+ atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val);
+
+ /* 024E / 124E 0r 0274 / 1274 ? */
+ if (phy_val & 0x1000) {
+ phy_val &= ~0x1000;
+ atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val);
+ }
+
+ msleep(1);
+
+ /*Enable PHY LinkChange Interrupt */
+ ret_val = atl2_write_phy_reg(hw, 18, 0xC00);
+ if (ret_val)
+ return ret_val;
+
+ /* setup AutoNeg parameters */
+ ret_val = atl2_phy_setup_autoneg_adv(hw);
+ if (ret_val)
+ return ret_val;
+
+ /* SW.Reset & En-Auto-Neg to restart Auto-Neg */
+ ret_val = atl2_phy_commit(hw);
+ if (ret_val)
+ return ret_val;
+
+ hw->phy_configured = true;
+
+ return ret_val;
+}
+
+static void atl2_set_mac_addr(struct atl2_hw *hw)
+{
+ u32 value;
+ /* 00-0B-6A-F6-00-DC
+ * 0: 6AF600DC 1: 000B
+ * low dword */
+ value = (((u32)hw->mac_addr[2]) << 24) |
+ (((u32)hw->mac_addr[3]) << 16) |
+ (((u32)hw->mac_addr[4]) << 8) |
+ (((u32)hw->mac_addr[5]));
+ ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);
+ /* hight dword */
+ value = (((u32)hw->mac_addr[0]) << 8) |
+ (((u32)hw->mac_addr[1]));
+ ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);
+}
+
+/*
+ * check_eeprom_exist
+ * return 0 if eeprom exist
+ */
+static int atl2_check_eeprom_exist(struct atl2_hw *hw)
+{
+ u32 value;
+
+ value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL);
+ if (value & SPI_FLASH_CTRL_EN_VPD) {
+ value &= ~SPI_FLASH_CTRL_EN_VPD;
+ ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
+ }
+ value = ATL2_READ_REGW(hw, REG_PCIE_CAP_LIST);
+ return ((value & 0xFF00) == 0x6C00) ? 0 : 1;
+}
+
+/* FIXME: This doesn't look right. -- CHS */
+static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value)
+{
+ return true;
+}
+
+static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue)
+{
+ int i;
+ u32 Control;
+
+ if (Offset & 0x3)
+ return false; /* address do not align */
+
+ ATL2_WRITE_REG(hw, REG_VPD_DATA, 0);
+ Control = (Offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT;
+ ATL2_WRITE_REG(hw, REG_VPD_CAP, Control);
+
+ for (i = 0; i < 10; i++) {
+ msleep(2);
+ Control = ATL2_READ_REG(hw, REG_VPD_CAP);
+ if (Control & VPD_CAP_VPD_FLAG)
+ break;
+ }
+
+ if (Control & VPD_CAP_VPD_FLAG) {
+ *pValue = ATL2_READ_REG(hw, REG_VPD_DATA);
+ return true;
+ }
+ return false; /* timeout */
+}
+
+static void atl2_force_ps(struct atl2_hw *hw)
+{
+ u16 phy_val;
+
+ atl2_write_phy_reg(hw, MII_DBG_ADDR, 0);
+ atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val);
+ atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val | 0x1000);
+
+ atl2_write_phy_reg(hw, MII_DBG_ADDR, 2);
+ atl2_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
+ atl2_write_phy_reg(hw, MII_DBG_ADDR, 3);
+ atl2_write_phy_reg(hw, MII_DBG_DATA, 0);
+}
+
+/* This is the only thing that needs to be changed to adjust the
+ * maximum number of ports that the driver can manage.
+ */
+#define ATL2_MAX_NIC 4
+
+#define OPTION_UNSET -1
+#define OPTION_DISABLED 0
+#define OPTION_ENABLED 1
+
+/* All parameters are treated the same, as an integer array of values.
+ * This macro just reduces the need to repeat the same declaration code
+ * over and over (plus this helps to avoid typo bugs).
+ */
+#define ATL2_PARAM_INIT {[0 ... ATL2_MAX_NIC] = OPTION_UNSET}
+#ifndef module_param_array
+/* Module Parameters are always initialized to -1, so that the driver
+ * can tell the difference between no user specified value or the
+ * user asking for the default value.
+ * The true default values are loaded in when atl2_check_options is called.
+ *
+ * This is a GCC extension to ANSI C.
+ * See the item "Labeled Elements in Initializers" in the section
+ * "Extensions to the C Language Family" of the GCC documentation.
+ */
+
+#define ATL2_PARAM(X, desc) \
+ static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \
+ MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \
+ MODULE_PARM_DESC(X, desc);
+#else
+#define ATL2_PARAM(X, desc) \
+ static int __devinitdata X[ATL2_MAX_NIC+1] = ATL2_PARAM_INIT; \
+ static unsigned int num_##X; \
+ module_param_array_named(X, X, int, &num_##X, 0); \
+ MODULE_PARM_DESC(X, desc);
+#endif
+
+/*
+ * Transmit Memory Size
+ * Valid Range: 64-2048
+ * Default Value: 128
+ */
+#define ATL2_MIN_TX_MEMSIZE 4 /* 4KB */
+#define ATL2_MAX_TX_MEMSIZE 64 /* 64KB */
+#define ATL2_DEFAULT_TX_MEMSIZE 8 /* 8KB */
+ATL2_PARAM(TxMemSize, "Bytes of Transmit Memory");
+
+/*
+ * Receive Memory Block Count
+ * Valid Range: 16-512
+ * Default Value: 128
+ */
+#define ATL2_MIN_RXD_COUNT 16
+#define ATL2_MAX_RXD_COUNT 512
+#define ATL2_DEFAULT_RXD_COUNT 64
+ATL2_PARAM(RxMemBlock, "Number of receive memory block");
+
+/*
+ * User Specified MediaType Override
+ *
+ * Valid Range: 0-5
+ * - 0 - auto-negotiate at all supported speeds
+ * - 1 - only link at 1000Mbps Full Duplex
+ * - 2 - only link at 100Mbps Full Duplex
+ * - 3 - only link at 100Mbps Half Duplex
+ * - 4 - only link at 10Mbps Full Duplex
+ * - 5 - only link at 10Mbps Half Duplex
+ * Default Value: 0
+ */
+ATL2_PARAM(MediaType, "MediaType Select");
+
+/*
+ * Interrupt Moderate Timer in units of 2048 ns (~2 us)
+ * Valid Range: 10-65535
+ * Default Value: 45000(90ms)
+ */
+#define INT_MOD_DEFAULT_CNT 100 /* 200us */
+#define INT_MOD_MAX_CNT 65000
+#define INT_MOD_MIN_CNT 50
+ATL2_PARAM(IntModTimer, "Interrupt Moderator Timer");
+
+/*
+ * FlashVendor
+ * Valid Range: 0-2
+ * 0 - Atmel
+ * 1 - SST
+ * 2 - ST
+ */
+ATL2_PARAM(FlashVendor, "SPI Flash Vendor");
+
+#define AUTONEG_ADV_DEFAULT 0x2F
+#define AUTONEG_ADV_MASK 0x2F
+#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
+
+#define FLASH_VENDOR_DEFAULT 0
+#define FLASH_VENDOR_MIN 0
+#define FLASH_VENDOR_MAX 2
+
+struct atl2_option {
+ enum { enable_option, range_option, list_option } type;
+ char *name;
+ char *err;
+ int def;
+ union {
+ struct { /* range_option info */
+ int min;
+ int max;
+ } r;
+ struct { /* list_option info */
+ int nr;
+ struct atl2_opt_list { int i; char *str; } *p;
+ } l;
+ } arg;
+};
+
+static int __devinit atl2_validate_option(int *value, struct atl2_option *opt)
+{
+ int i;
+ struct atl2_opt_list *ent;
+
+ if (*value == OPTION_UNSET) {
+ *value = opt->def;
+ return 0;
+ }
+
+ switch (opt->type) {
+ case enable_option:
+ switch (*value) {
+ case OPTION_ENABLED:
+ printk(KERN_INFO "%s Enabled\n", opt->name);
+ return 0;
+ break;
+ case OPTION_DISABLED:
+ printk(KERN_INFO "%s Disabled\n", opt->name);
+ return 0;
+ break;
+ }
+ break;
+ case range_option:
+ if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
+ printk(KERN_INFO "%s set to %i\n", opt->name, *value);
+ return 0;
+ }
+ break;
+ case list_option:
+ for (i = 0; i < opt->arg.l.nr; i++) {
+ ent = &opt->arg.l.p[i];
+ if (*value == ent->i) {
+ if (ent->str[0] != '\0')
+ printk(KERN_INFO "%s\n", ent->str);
+ return 0;
+ }
+ }
+ break;
+ default:
+ BUG();
+ }
+
+ printk(KERN_INFO "Invalid %s specified (%i) %s\n",
+ opt->name, *value, opt->err);
+ *value = opt->def;
+ return -1;
+}
+
+/*
+ * atl2_check_options - Range Checking for Command Line Parameters
+ * @adapter: board private structure
+ *
+ * This routine checks all command line parameters for valid user
+ * input. If an invalid value is given, or if no user specified
+ * value exists, a default value is used. The final value is stored
+ * in a variable in the adapter structure.
+ */
+static void __devinit atl2_check_options(struct atl2_adapter *adapter)
+{
+ int val;
+ struct atl2_option opt;
+ int bd = adapter->bd_number;
+ if (bd >= ATL2_MAX_NIC) {
+ printk(KERN_NOTICE "Warning: no configuration for board #%i\n",
+ bd);
+ printk(KERN_NOTICE "Using defaults for all values\n");
+#ifndef module_param_array
+ bd = ATL2_MAX_NIC;
+#endif
+ }
+
+ /* Bytes of Transmit Memory */
+ opt.type = range_option;
+ opt.name = "Bytes of Transmit Memory";
+ opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_TX_MEMSIZE);
+ opt.def = ATL2_DEFAULT_TX_MEMSIZE;
+ opt.arg.r.min = ATL2_MIN_TX_MEMSIZE;
+ opt.arg.r.max = ATL2_MAX_TX_MEMSIZE;
+#ifdef module_param_array
+ if (num_TxMemSize > bd) {
+#endif
+ val = TxMemSize[bd];
+ atl2_validate_option(&val, &opt);
+ adapter->txd_ring_size = ((u32) val) * 1024;
+#ifdef module_param_array
+ } else
+ adapter->txd_ring_size = ((u32)opt.def) * 1024;
+#endif
+ /* txs ring size: */
+ adapter->txs_ring_size = adapter->txd_ring_size / 128;
+ if (adapter->txs_ring_size > 160)
+ adapter->txs_ring_size = 160;
+
+ /* Receive Memory Block Count */
+ opt.type = range_option;
+ opt.name = "Number of receive memory block";
+ opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_RXD_COUNT);
+ opt.def = ATL2_DEFAULT_RXD_COUNT;
+ opt.arg.r.min = ATL2_MIN_RXD_COUNT;
+ opt.arg.r.max = ATL2_MAX_RXD_COUNT;
+#ifdef module_param_array
+ if (num_RxMemBlock > bd) {
+#endif
+ val = RxMemBlock[bd];
+ atl2_validate_option(&val, &opt);
+ adapter->rxd_ring_size = (u32)val;
+ /* FIXME */
+ /* ((u16)val)&~1; */ /* even number */
+#ifdef module_param_array
+ } else
+ adapter->rxd_ring_size = (u32)opt.def;
+#endif
+ /* init RXD Flow control value */
+ adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7;
+ adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) >
+ (adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) :
+ (adapter->rxd_ring_size / 12);
+
+ /* Interrupt Moderate Timer */
+ opt.type = range_option;
+ opt.name = "Interrupt Moderate Timer";
+ opt.err = "using default of " __MODULE_STRING(INT_MOD_DEFAULT_CNT);
+ opt.def = INT_MOD_DEFAULT_CNT;
+ opt.arg.r.min = INT_MOD_MIN_CNT;
+ opt.arg.r.max = INT_MOD_MAX_CNT;
+#ifdef module_param_array
+ if (num_IntModTimer > bd) {
+#endif
+ val = IntModTimer[bd];
+ atl2_validate_option(&val, &opt);
+ adapter->imt = (u16) val;
+#ifdef module_param_array
+ } else
+ adapter->imt = (u16)(opt.def);
+#endif
+ /* Flash Vendor */
+ opt.type = range_option;
+ opt.name = "SPI Flash Vendor";
+ opt.err = "using default of " __MODULE_STRING(FLASH_VENDOR_DEFAULT);
+ opt.def = FLASH_VENDOR_DEFAULT;
+ opt.arg.r.min = FLASH_VENDOR_MIN;
+ opt.arg.r.max = FLASH_VENDOR_MAX;
+#ifdef module_param_array
+ if (num_FlashVendor > bd) {
+#endif
+ val = FlashVendor[bd];
+ atl2_validate_option(&val, &opt);
+ adapter->hw.flash_vendor = (u8) val;
+#ifdef module_param_array
+ } else
+ adapter->hw.flash_vendor = (u8)(opt.def);
+#endif
+ /* MediaType */
+ opt.type = range_option;
+ opt.name = "Speed/Duplex Selection";
+ opt.err = "using default of " __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR);
+ opt.def = MEDIA_TYPE_AUTO_SENSOR;
+ opt.arg.r.min = MEDIA_TYPE_AUTO_SENSOR;
+ opt.arg.r.max = MEDIA_TYPE_10M_HALF;
+#ifdef module_param_array
+ if (num_MediaType > bd) {
+#endif
+ val = MediaType[bd];
+ atl2_validate_option(&val, &opt);
+ adapter->hw.MediaType = (u16) val;
+#ifdef module_param_array
+ } else
+ adapter->hw.MediaType = (u16)(opt.def);
+#endif
+}
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.h b/drivers/net/ethernet/atheros/atlx/atl2.h
new file mode 100644
index 000000000000..bf9016ebdd9b
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atl2.h
@@ -0,0 +1,525 @@
+/* atl2.h -- atl2 driver definitions
+ *
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ * Copyright(c) 2006 xiong huang <xiong.huang@atheros.com>
+ * Copyright(c) 2007 Chris Snook <csnook@redhat.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.
+ */
+
+#ifndef _ATL2_H_
+#define _ATL2_H_
+
+#include <linux/atomic.h>
+#include <linux/netdevice.h>
+
+#ifndef _ATL2_HW_H_
+#define _ATL2_HW_H_
+
+#ifndef _ATL2_OSDEP_H_
+#define _ATL2_OSDEP_H_
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+
+#include "atlx.h"
+
+#ifdef ETHTOOL_OPS_COMPAT
+extern int ethtool_ioctl(struct ifreq *ifr);
+#endif
+
+#define PCI_COMMAND_REGISTER PCI_COMMAND
+#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE
+#define ETH_ADDR_LEN ETH_ALEN
+
+#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr))
+
+#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \
+ (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2))))
+
+#define ATL2_READ_REG_ARRAY(a, reg, offset) \
+ (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2)))
+
+#endif /* _ATL2_OSDEP_H_ */
+
+struct atl2_adapter;
+struct atl2_hw;
+
+/* function prototype */
+static s32 atl2_reset_hw(struct atl2_hw *hw);
+static s32 atl2_read_mac_addr(struct atl2_hw *hw);
+static s32 atl2_init_hw(struct atl2_hw *hw);
+static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed,
+ u16 *duplex);
+static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr);
+static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value);
+static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data);
+static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data);
+static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value);
+static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value);
+static void atl2_set_mac_addr(struct atl2_hw *hw);
+static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue);
+static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value);
+static s32 atl2_phy_init(struct atl2_hw *hw);
+static int atl2_check_eeprom_exist(struct atl2_hw *hw);
+static void atl2_force_ps(struct atl2_hw *hw);
+
+/* register definition */
+
+/* Block IDLE Status Register */
+#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */
+#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */
+#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */
+#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */
+
+/* MDIO Control Register */
+#define MDIO_WAIT_TIMES 10
+
+/* MAC Control Register */
+#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */
+#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */
+#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28
+#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */
+
+/* Internal SRAM Partition Register */
+#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM
+ * default: 2byte*1024 */
+#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM
+ * default: 2byte*1024 */
+
+/* Descriptor Control register */
+#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit
+ * Data Mem low 32-bit(dword align) */
+#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by
+ * double word , max 256KB) */
+#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit
+ * Status Memory low 32-bit(dword word
+ * align) */
+#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047
+ * bytes. */
+#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit
+ * Status Memory low 32-bit(unit 8
+ * bytes) */
+#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer
+ * number (unit 1536bytes, max
+ * 1536*2047) */
+
+/* DMAR Control Register */
+#define REG_DMAR 0x1580
+#define DMAR_EN 0x1 /* 1: Enable DMAR */
+
+/* TX Cur-Through (early tx threshold) Control Register */
+#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet
+ * threshold(unit word) */
+
+/* DMAW Control Register */
+#define REG_DMAW 0x15A0
+#define DMAW_EN 0x1
+
+/* Flow control register */
+#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow
+ * threshold configuration register */
+#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow
+ * threshold configuration register */
+
+/* Mailbox Register */
+#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */
+#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */
+
+/* Interrupt Status Register */
+#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */
+#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set
+ * when SW_MAN_INT_EN is set in Table 51
+ * Selene Master Control Register
+ * (Offset 0x1400). */
+#define ISR_RXF_OV 4 /* RXF overflow interrupt */
+#define ISR_TXF_UR 8 /* TXF underrun interrupt */
+#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full
+ * interrupt */
+#define ISR_RXS_OV 0x20 /* Internal receive status buffer full
+ * interrupt */
+#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */
+#define ISR_HOST_TXD_UR 0x80
+#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */
+#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should
+ * do Reset */
+#define ISR_DMAW_TO_RST 0x400
+#define ISR_PHY 0x800 /* phy interrupt */
+#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written
+ * to host */
+#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written
+ * to host. */
+#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one
+ * packet */
+
+#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\
+ ISR_TS_UPDATE | ISR_TX_EARLY)
+#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\
+ ISR_RS_UPDATE)
+
+#define IMR_NORMAL_MASK (\
+ /*ISR_LINK_CHG |*/\
+ ISR_MANUAL |\
+ ISR_DMAR_TO_RST |\
+ ISR_DMAW_TO_RST |\
+ ISR_PHY |\
+ ISR_PHY_LINKDOWN |\
+ ISR_TS_UPDATE |\
+ ISR_RS_UPDATE)
+
+/* Receive MAC Statistics Registers */
+#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */
+#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX
+ * FIFO overflow */
+#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX
+ * Status Buffer Overflow */
+#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to
+ * address filtering */
+
+/* MII definitions */
+
+/* PHY Common Register */
+#define MII_SMARTSPEED 0x14
+#define MII_DBG_ADDR 0x1D
+#define MII_DBG_DATA 0x1E
+
+/* PCI Command Register Bit Definitions */
+#define PCI_REG_COMMAND 0x04
+#define CMD_IO_SPACE 0x0001
+#define CMD_MEMORY_SPACE 0x0002
+#define CMD_BUS_MASTER 0x0004
+
+#define MEDIA_TYPE_100M_FULL 1
+#define MEDIA_TYPE_100M_HALF 2
+#define MEDIA_TYPE_10M_FULL 3
+#define MEDIA_TYPE_10M_HALF 4
+
+#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */
+
+/* The size (in bytes) of a ethernet packet */
+#define ENET_HEADER_SIZE 14
+#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */
+#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */
+#define ETHERNET_FCS_SIZE 4
+#define MAX_JUMBO_FRAME_SIZE 0x2000
+#define VLAN_SIZE 4
+
+struct tx_pkt_header {
+ unsigned pkt_size:11;
+ unsigned:4; /* reserved */
+ unsigned ins_vlan:1; /* txmac should insert vlan */
+ unsigned short vlan; /* vlan tag */
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define TX_PKT_HEADER_SIZE_MASK 0x7FF
+#define TX_PKT_HEADER_SIZE_SHIFT 0
+#define TX_PKT_HEADER_INS_VLAN_MASK 0x1
+#define TX_PKT_HEADER_INS_VLAN_SHIFT 15
+#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF
+#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16
+
+struct tx_pkt_status {
+ unsigned pkt_size:11;
+ unsigned:5; /* reserved */
+ unsigned ok:1; /* current packet transmitted without error */
+ unsigned bcast:1; /* broadcast packet */
+ unsigned mcast:1; /* multicast packet */
+ unsigned pause:1; /* transmiited a pause frame */
+ unsigned ctrl:1;
+ unsigned defer:1; /* current packet is xmitted with defer */
+ unsigned exc_defer:1;
+ unsigned single_col:1;
+ unsigned multi_col:1;
+ unsigned late_col:1;
+ unsigned abort_col:1;
+ unsigned underun:1; /* current packet is aborted
+ * due to txram underrun */
+ unsigned:3; /* reserved */
+ unsigned update:1; /* always 1'b1 in tx_status_buf */
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define TX_PKT_STATUS_SIZE_MASK 0x7FF
+#define TX_PKT_STATUS_SIZE_SHIFT 0
+#define TX_PKT_STATUS_OK_MASK 0x1
+#define TX_PKT_STATUS_OK_SHIFT 16
+#define TX_PKT_STATUS_BCAST_MASK 0x1
+#define TX_PKT_STATUS_BCAST_SHIFT 17
+#define TX_PKT_STATUS_MCAST_MASK 0x1
+#define TX_PKT_STATUS_MCAST_SHIFT 18
+#define TX_PKT_STATUS_PAUSE_MASK 0x1
+#define TX_PKT_STATUS_PAUSE_SHIFT 19
+#define TX_PKT_STATUS_CTRL_MASK 0x1
+#define TX_PKT_STATUS_CTRL_SHIFT 20
+#define TX_PKT_STATUS_DEFER_MASK 0x1
+#define TX_PKT_STATUS_DEFER_SHIFT 21
+#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1
+#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22
+#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1
+#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23
+#define TX_PKT_STATUS_MULTI_COL_MASK 0x1
+#define TX_PKT_STATUS_MULTI_COL_SHIFT 24
+#define TX_PKT_STATUS_LATE_COL_MASK 0x1
+#define TX_PKT_STATUS_LATE_COL_SHIFT 25
+#define TX_PKT_STATUS_ABORT_COL_MASK 0x1
+#define TX_PKT_STATUS_ABORT_COL_SHIFT 26
+#define TX_PKT_STATUS_UNDERRUN_MASK 0x1
+#define TX_PKT_STATUS_UNDERRUN_SHIFT 27
+#define TX_PKT_STATUS_UPDATE_MASK 0x1
+#define TX_PKT_STATUS_UPDATE_SHIFT 31
+
+struct rx_pkt_status {
+ unsigned pkt_size:11; /* packet size, max 2047 bytes */
+ unsigned:5; /* reserved */
+ unsigned ok:1; /* current packet received ok without error */
+ unsigned bcast:1; /* current packet is broadcast */
+ unsigned mcast:1; /* current packet is multicast */
+ unsigned pause:1;
+ unsigned ctrl:1;
+ unsigned crc:1; /* received a packet with crc error */
+ unsigned code:1; /* received a packet with code error */
+ unsigned runt:1; /* received a packet less than 64 bytes
+ * with good crc */
+ unsigned frag:1; /* received a packet less than 64 bytes
+ * with bad crc */
+ unsigned trunc:1; /* current frame truncated due to rxram full */
+ unsigned align:1; /* this packet is alignment error */
+ unsigned vlan:1; /* this packet has vlan */
+ unsigned:3; /* reserved */
+ unsigned update:1;
+ unsigned short vtag; /* vlan tag */
+ unsigned:16;
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define RX_PKT_STATUS_SIZE_MASK 0x7FF
+#define RX_PKT_STATUS_SIZE_SHIFT 0
+#define RX_PKT_STATUS_OK_MASK 0x1
+#define RX_PKT_STATUS_OK_SHIFT 16
+#define RX_PKT_STATUS_BCAST_MASK 0x1
+#define RX_PKT_STATUS_BCAST_SHIFT 17
+#define RX_PKT_STATUS_MCAST_MASK 0x1
+#define RX_PKT_STATUS_MCAST_SHIFT 18
+#define RX_PKT_STATUS_PAUSE_MASK 0x1
+#define RX_PKT_STATUS_PAUSE_SHIFT 19
+#define RX_PKT_STATUS_CTRL_MASK 0x1
+#define RX_PKT_STATUS_CTRL_SHIFT 20
+#define RX_PKT_STATUS_CRC_MASK 0x1
+#define RX_PKT_STATUS_CRC_SHIFT 21
+#define RX_PKT_STATUS_CODE_MASK 0x1
+#define RX_PKT_STATUS_CODE_SHIFT 22
+#define RX_PKT_STATUS_RUNT_MASK 0x1
+#define RX_PKT_STATUS_RUNT_SHIFT 23
+#define RX_PKT_STATUS_FRAG_MASK 0x1
+#define RX_PKT_STATUS_FRAG_SHIFT 24
+#define RX_PKT_STATUS_TRUNK_MASK 0x1
+#define RX_PKT_STATUS_TRUNK_SHIFT 25
+#define RX_PKT_STATUS_ALIGN_MASK 0x1
+#define RX_PKT_STATUS_ALIGN_SHIFT 26
+#define RX_PKT_STATUS_VLAN_MASK 0x1
+#define RX_PKT_STATUS_VLAN_SHIFT 27
+#define RX_PKT_STATUS_UPDATE_MASK 0x1
+#define RX_PKT_STATUS_UPDATE_SHIFT 31
+#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF
+#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32
+
+struct rx_desc {
+ struct rx_pkt_status status;
+ unsigned char packet[1536-sizeof(struct rx_pkt_status)];
+};
+
+enum atl2_speed_duplex {
+ atl2_10_half = 0,
+ atl2_10_full = 1,
+ atl2_100_half = 2,
+ atl2_100_full = 3
+};
+
+struct atl2_spi_flash_dev {
+ const char *manu_name; /* manufacturer id */
+ /* op-code */
+ u8 cmdWRSR;
+ u8 cmdREAD;
+ u8 cmdPROGRAM;
+ u8 cmdWREN;
+ u8 cmdWRDI;
+ u8 cmdRDSR;
+ u8 cmdRDID;
+ u8 cmdSECTOR_ERASE;
+ u8 cmdCHIP_ERASE;
+};
+
+/* Structure containing variables used by the shared code (atl2_hw.c) */
+struct atl2_hw {
+ u8 __iomem *hw_addr;
+ void *back;
+
+ u8 preamble_len;
+ u8 max_retry; /* Retransmission maximum, afterwards the
+ * packet will be discarded. */
+ u8 jam_ipg; /* IPG to start JAM for collision based flow
+ * control in half-duplex mode. In unit of
+ * 8-bit time. */
+ u8 ipgt; /* Desired back to back inter-packet gap. The
+ * default is 96-bit time. */
+ u8 min_ifg; /* Minimum number of IFG to enforce in between
+ * RX frames. Frame gap below such IFP is
+ * dropped. */
+ u8 ipgr1; /* 64bit Carrier-Sense window */
+ u8 ipgr2; /* 96-bit IPG window */
+ u8 retry_buf; /* When half-duplex mode, should hold some
+ * bytes for mac retry . (8*4bytes unit) */
+
+ u16 fc_rxd_hi;
+ u16 fc_rxd_lo;
+ u16 lcol; /* Collision Window */
+ u16 max_frame_size;
+
+ u16 MediaType;
+ u16 autoneg_advertised;
+ u16 pci_cmd_word;
+
+ u16 mii_autoneg_adv_reg;
+
+ u32 mem_rang;
+ u32 txcw;
+ u32 mc_filter_type;
+ u32 num_mc_addrs;
+ u32 collision_delta;
+ u32 tx_packet_delta;
+ u16 phy_spd_default;
+
+ u16 device_id;
+ u16 vendor_id;
+ u16 subsystem_id;
+ u16 subsystem_vendor_id;
+ u8 revision_id;
+
+ /* spi flash */
+ u8 flash_vendor;
+
+ u8 dma_fairness;
+ u8 mac_addr[NODE_ADDRESS_SIZE];
+ u8 perm_mac_addr[NODE_ADDRESS_SIZE];
+
+ /* FIXME */
+ /* bool phy_preamble_sup; */
+ bool phy_configured;
+};
+
+#endif /* _ATL2_HW_H_ */
+
+struct atl2_ring_header {
+ /* pointer to the descriptor ring memory */
+ void *desc;
+ /* physical address of the descriptor ring */
+ dma_addr_t dma;
+ /* length of descriptor ring in bytes */
+ unsigned int size;
+};
+
+/* board specific private data structure */
+struct atl2_adapter {
+ /* OS defined structs */
+ struct net_device *netdev;
+ struct pci_dev *pdev;
+ u32 wol;
+ u16 link_speed;
+ u16 link_duplex;
+
+ spinlock_t stats_lock;
+
+ struct work_struct reset_task;
+ struct work_struct link_chg_task;
+ struct timer_list watchdog_timer;
+ struct timer_list phy_config_timer;
+
+ unsigned long cfg_phy;
+ bool mac_disabled;
+
+ /* All Descriptor memory */
+ dma_addr_t ring_dma;
+ void *ring_vir_addr;
+ int ring_size;
+
+ struct tx_pkt_header *txd_ring;
+ dma_addr_t txd_dma;
+
+ struct tx_pkt_status *txs_ring;
+ dma_addr_t txs_dma;
+
+ struct rx_desc *rxd_ring;
+ dma_addr_t rxd_dma;
+
+ u32 txd_ring_size; /* bytes per unit */
+ u32 txs_ring_size; /* dwords per unit */
+ u32 rxd_ring_size; /* 1536 bytes per unit */
+
+ /* read /write ptr: */
+ /* host */
+ u32 txd_write_ptr;
+ u32 txs_next_clear;
+ u32 rxd_read_ptr;
+
+ /* nic */
+ atomic_t txd_read_ptr;
+ atomic_t txs_write_ptr;
+ u32 rxd_write_ptr;
+
+ /* Interrupt Moderator timer ( 2us resolution) */
+ u16 imt;
+ /* Interrupt Clear timer (2us resolution) */
+ u16 ict;
+
+ unsigned long flags;
+ /* structs defined in atl2_hw.h */
+ u32 bd_number; /* board number */
+ bool pci_using_64;
+ bool have_msi;
+ struct atl2_hw hw;
+
+ u32 usr_cmd;
+ /* FIXME */
+ /* u32 regs_buff[ATL2_REGS_LEN]; */
+ u32 pci_state[16];
+
+ u32 *config_space;
+};
+
+enum atl2_state_t {
+ __ATL2_TESTING,
+ __ATL2_RESETTING,
+ __ATL2_DOWN
+};
+
+#endif /* _ATL2_H_ */
diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c
new file mode 100644
index 000000000000..aabcf4b5745a
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atlx.c
@@ -0,0 +1,269 @@
+/* atlx.c -- common functions for Attansic network drivers
+ *
+ * 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>
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ *
+ * Derived from Intel e1000 driver
+ * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* Including this file like a header is a temporary hack, I promise. -- CHS */
+#ifndef ATLX_C
+#define ATLX_C
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/etherdevice.h>
+#include <linux/if.h>
+#include <linux/netdevice.h>
+#include <linux/socket.h>
+#include <linux/sockios.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include "atlx.h"
+
+static s32 atlx_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data);
+static u32 atlx_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr);
+static void atlx_set_mac_addr(struct atl1_hw *hw);
+
+static struct atlx_spi_flash_dev flash_table[] = {
+/* MFR_NAME WRSR READ PRGM WREN WRDI RDSR RDID SEC_ERS CHIP_ERS */
+ {"Atmel", 0x00, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62},
+ {"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60},
+ {"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7},
+};
+
+static int atlx_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ case SIOCSMIIREG:
+ return atlx_mii_ioctl(netdev, ifr, cmd);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+/*
+ * atlx_set_mac - Change the Ethernet Address of the NIC
+ * @netdev: network interface device structure
+ * @p: pointer to an address structure
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int atlx_set_mac(struct net_device *netdev, void *p)
+{
+ struct atlx_adapter *adapter = netdev_priv(netdev);
+ struct sockaddr *addr = p;
+
+ if (netif_running(netdev))
+ return -EBUSY;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+ memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
+
+ atlx_set_mac_addr(&adapter->hw);
+ return 0;
+}
+
+static void atlx_check_for_link(struct atlx_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ u16 phy_data = 0;
+
+ spin_lock(&adapter->lock);
+ adapter->phy_timer_pending = false;
+ atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
+ atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
+ spin_unlock(&adapter->lock);
+
+ /* notify upper layer link down ASAP */
+ if (!(phy_data & BMSR_LSTATUS)) {
+ /* Link Down */
+ if (netif_carrier_ok(netdev)) {
+ /* old link state: Up */
+ dev_info(&adapter->pdev->dev, "%s link is down\n",
+ netdev->name);
+ adapter->link_speed = SPEED_0;
+ netif_carrier_off(netdev);
+ }
+ }
+ schedule_work(&adapter->link_chg_task);
+}
+
+/*
+ * atlx_set_multi - Multicast and Promiscuous mode set
+ * @netdev: network interface device structure
+ *
+ * The set_multi entry point is called whenever the multicast address
+ * list or the network interface flags are updated. This routine is
+ * responsible for configuring the hardware for proper multicast,
+ * promiscuous mode, and all-multi behavior.
+ */
+static void atlx_set_multi(struct net_device *netdev)
+{
+ struct atlx_adapter *adapter = netdev_priv(netdev);
+ struct atlx_hw *hw = &adapter->hw;
+ struct netdev_hw_addr *ha;
+ u32 rctl;
+ u32 hash_value;
+
+ /* Check for Promiscuous and All Multicast modes */
+ rctl = ioread32(hw->hw_addr + REG_MAC_CTRL);
+ if (netdev->flags & IFF_PROMISC)
+ rctl |= MAC_CTRL_PROMIS_EN;
+ else if (netdev->flags & IFF_ALLMULTI) {
+ rctl |= MAC_CTRL_MC_ALL_EN;
+ rctl &= ~MAC_CTRL_PROMIS_EN;
+ } else
+ rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN);
+
+ iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL);
+
+ /* clear the old settings from the multicast hash table */
+ iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE);
+ iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2));
+
+ /* compute mc addresses' hash value ,and put it into hash table */
+ netdev_for_each_mc_addr(ha, netdev) {
+ hash_value = atlx_hash_mc_addr(hw, ha->addr);
+ atlx_hash_set(hw, hash_value);
+ }
+}
+
+/*
+ * atlx_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
+ */
+static void atlx_irq_enable(struct atlx_adapter *adapter)
+{
+ iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR);
+ ioread32(adapter->hw.hw_addr + REG_IMR);
+}
+
+/*
+ * atlx_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ */
+static void atlx_irq_disable(struct atlx_adapter *adapter)
+{
+ iowrite32(0, adapter->hw.hw_addr + REG_IMR);
+ ioread32(adapter->hw.hw_addr + REG_IMR);
+ synchronize_irq(adapter->pdev->irq);
+}
+
+static void atlx_clear_phy_int(struct atlx_adapter *adapter)
+{
+ u16 phy_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->lock, flags);
+ atlx_read_phy_reg(&adapter->hw, 19, &phy_data);
+ spin_unlock_irqrestore(&adapter->lock, flags);
+}
+
+/*
+ * atlx_tx_timeout - Respond to a Tx Hang
+ * @netdev: network interface device structure
+ */
+static void atlx_tx_timeout(struct net_device *netdev)
+{
+ struct atlx_adapter *adapter = netdev_priv(netdev);
+ /* Do the reset outside of interrupt context */
+ schedule_work(&adapter->tx_timeout_task);
+}
+
+/*
+ * atlx_link_chg_task - deal with link change event Out of interrupt context
+ */
+static void atlx_link_chg_task(struct work_struct *work)
+{
+ struct atlx_adapter *adapter;
+ unsigned long flags;
+
+ adapter = container_of(work, struct atlx_adapter, link_chg_task);
+
+ spin_lock_irqsave(&adapter->lock, flags);
+ atlx_check_link(adapter);
+ spin_unlock_irqrestore(&adapter->lock, flags);
+}
+
+static void __atlx_vlan_mode(u32 features, u32 *ctrl)
+{
+ if (features & NETIF_F_HW_VLAN_RX) {
+ /* enable VLAN tag insert/strip */
+ *ctrl |= MAC_CTRL_RMV_VLAN;
+ } else {
+ /* disable VLAN tag insert/strip */
+ *ctrl &= ~MAC_CTRL_RMV_VLAN;
+ }
+}
+
+static void atlx_vlan_mode(struct net_device *netdev, u32 features)
+{
+ struct atlx_adapter *adapter = netdev_priv(netdev);
+ unsigned long flags;
+ u32 ctrl;
+
+ spin_lock_irqsave(&adapter->lock, flags);
+ /* atlx_irq_disable(adapter); FIXME: confirm/remove */
+ ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL);
+ __atlx_vlan_mode(features, &ctrl);
+ iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL);
+ /* atlx_irq_enable(adapter); FIXME */
+ spin_unlock_irqrestore(&adapter->lock, flags);
+}
+
+static void atlx_restore_vlan(struct atlx_adapter *adapter)
+{
+ atlx_vlan_mode(adapter->netdev, adapter->netdev->features);
+}
+
+static u32 atlx_fix_features(struct net_device *netdev, u32 features)
+{
+ /*
+ * Since there is no support for separate rx/tx vlan accel
+ * enable/disable make sure tx flag is always in same state as rx.
+ */
+ if (features & NETIF_F_HW_VLAN_RX)
+ features |= NETIF_F_HW_VLAN_TX;
+ else
+ features &= ~NETIF_F_HW_VLAN_TX;
+
+ return features;
+}
+
+static int atlx_set_features(struct net_device *netdev, u32 features)
+{
+ u32 changed = netdev->features ^ features;
+
+ if (changed & NETIF_F_HW_VLAN_RX)
+ atlx_vlan_mode(netdev, features);
+
+ return 0;
+}
+
+#endif /* ATLX_C */
diff --git a/drivers/net/ethernet/atheros/atlx/atlx.h b/drivers/net/ethernet/atheros/atlx/atlx.h
new file mode 100644
index 000000000000..14054b75aa62
--- /dev/null
+++ b/drivers/net/ethernet/atheros/atlx/atlx.h
@@ -0,0 +1,503 @@
+/* atlx_hw.h -- common hardware definitions for Attansic network drivers
+ *
+ * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
+ * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ *
+ * Derived from Intel e1000 driver
+ * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef ATLX_H
+#define ATLX_H
+
+#include <linux/module.h>
+#include <linux/types.h>
+
+#define ATLX_ERR_PHY 2
+#define ATLX_ERR_PHY_SPEED 7
+#define ATLX_ERR_PHY_RES 8
+
+#define SPEED_0 0xffff
+#define SPEED_10 10
+#define SPEED_100 100
+#define SPEED_1000 1000
+#define HALF_DUPLEX 1
+#define FULL_DUPLEX 2
+
+#define MEDIA_TYPE_AUTO_SENSOR 0
+
+/* register definitions */
+#define REG_PM_CTRLSTAT 0x44
+
+#define REG_PCIE_CAP_LIST 0x58
+
+#define REG_VPD_CAP 0x6C
+#define VPD_CAP_ID_MASK 0xFF
+#define VPD_CAP_ID_SHIFT 0
+#define VPD_CAP_NEXT_PTR_MASK 0xFF
+#define VPD_CAP_NEXT_PTR_SHIFT 8
+#define VPD_CAP_VPD_ADDR_MASK 0x7FFF
+#define VPD_CAP_VPD_ADDR_SHIFT 16
+#define VPD_CAP_VPD_FLAG 0x80000000
+
+#define REG_VPD_DATA 0x70
+
+#define REG_SPI_FLASH_CTRL 0x200
+#define SPI_FLASH_CTRL_STS_NON_RDY 0x1
+#define SPI_FLASH_CTRL_STS_WEN 0x2
+#define SPI_FLASH_CTRL_STS_WPEN 0x80
+#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF
+#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0
+#define SPI_FLASH_CTRL_INS_MASK 0x7
+#define SPI_FLASH_CTRL_INS_SHIFT 8
+#define SPI_FLASH_CTRL_START 0x800
+#define SPI_FLASH_CTRL_EN_VPD 0x2000
+#define SPI_FLASH_CTRL_LDSTART 0x8000
+#define SPI_FLASH_CTRL_CS_HI_MASK 0x3
+#define SPI_FLASH_CTRL_CS_HI_SHIFT 16
+#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3
+#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18
+#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3
+#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20
+#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3
+#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22
+#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3
+#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24
+#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3
+#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26
+#define SPI_FLASH_CTRL_WAIT_READY 0x10000000
+
+#define REG_SPI_ADDR 0x204
+
+#define REG_SPI_DATA 0x208
+
+#define REG_SPI_FLASH_CONFIG 0x20C
+#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF
+#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0
+#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3
+#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24
+#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000
+
+#define REG_SPI_FLASH_OP_PROGRAM 0x210
+#define REG_SPI_FLASH_OP_SC_ERASE 0x211
+#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212
+#define REG_SPI_FLASH_OP_RDID 0x213
+#define REG_SPI_FLASH_OP_WREN 0x214
+#define REG_SPI_FLASH_OP_RDSR 0x215
+#define REG_SPI_FLASH_OP_WRSR 0x216
+#define REG_SPI_FLASH_OP_READ 0x217
+
+#define REG_TWSI_CTRL 0x218
+#define TWSI_CTRL_LD_OFFSET_MASK 0xFF
+#define TWSI_CTRL_LD_OFFSET_SHIFT 0
+#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7
+#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8
+#define TWSI_CTRL_SW_LDSTART 0x800
+#define TWSI_CTRL_HW_LDSTART 0x1000
+#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F
+#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15
+#define TWSI_CTRL_LD_EXIST 0x400000
+#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3
+#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23
+#define TWSI_CTRL_FREQ_SEL_100K 0
+#define TWSI_CTRL_FREQ_SEL_200K 1
+#define TWSI_CTRL_FREQ_SEL_300K 2
+#define TWSI_CTRL_FREQ_SEL_400K 3
+#define TWSI_CTRL_SMB_SLV_ADDR /* FIXME: define or remove */
+#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3
+#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24
+
+#define REG_PCIE_DEV_MISC_CTRL 0x21C
+#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2
+#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1
+#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4
+#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8
+#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10
+
+#define REG_PCIE_PHYMISC 0x1000
+#define PCIE_PHYMISC_FORCE_RCV_DET 0x4
+
+#define REG_PCIE_DLL_TX_CTRL1 0x1104
+#define PCIE_DLL_TX_CTRL1_SEL_NOR_CLK 0x400
+#define PCIE_DLL_TX_CTRL1_DEF 0x568
+
+#define REG_LTSSM_TEST_MODE 0x12FC
+#define LTSSM_TEST_MODE_DEF 0x6500
+
+/* Master Control Register */
+#define REG_MASTER_CTRL 0x1400
+#define MASTER_CTRL_SOFT_RST 0x1
+#define MASTER_CTRL_MTIMER_EN 0x2
+#define MASTER_CTRL_ITIMER_EN 0x4
+#define MASTER_CTRL_MANUAL_INT 0x8
+#define MASTER_CTRL_REV_NUM_SHIFT 16
+#define MASTER_CTRL_REV_NUM_MASK 0xFF
+#define MASTER_CTRL_DEV_ID_SHIFT 24
+#define MASTER_CTRL_DEV_ID_MASK 0xFF
+
+/* Timer Initial Value Register */
+#define REG_MANUAL_TIMER_INIT 0x1404
+
+/* IRQ Moderator Timer Initial Value Register */
+#define REG_IRQ_MODU_TIMER_INIT 0x1408
+
+#define REG_PHY_ENABLE 0x140C
+
+/* IRQ Anti-Lost Timer Initial Value Register */
+#define REG_CMBDISDMA_TIMER 0x140E
+
+/* Block IDLE Status Register */
+#define REG_IDLE_STATUS 0x1410
+
+/* MDIO Control Register */
+#define REG_MDIO_CTRL 0x1414
+#define MDIO_DATA_MASK 0xFFFF
+#define MDIO_DATA_SHIFT 0
+#define MDIO_REG_ADDR_MASK 0x1F
+#define MDIO_REG_ADDR_SHIFT 16
+#define MDIO_RW 0x200000
+#define MDIO_SUP_PREAMBLE 0x400000
+#define MDIO_START 0x800000
+#define MDIO_CLK_SEL_SHIFT 24
+#define MDIO_CLK_25_4 0
+#define MDIO_CLK_25_6 2
+#define MDIO_CLK_25_8 3
+#define MDIO_CLK_25_10 4
+#define MDIO_CLK_25_14 5
+#define MDIO_CLK_25_20 6
+#define MDIO_CLK_25_28 7
+#define MDIO_BUSY 0x8000000
+
+/* MII PHY Status Register */
+#define REG_PHY_STATUS 0x1418
+
+/* BIST Control and Status Register0 (for the Packet Memory) */
+#define REG_BIST0_CTRL 0x141C
+#define BIST0_NOW 0x1
+#define BIST0_SRAM_FAIL 0x2
+#define BIST0_FUSE_FLAG 0x4
+#define REG_BIST1_CTRL 0x1420
+#define BIST1_NOW 0x1
+#define BIST1_SRAM_FAIL 0x2
+#define BIST1_FUSE_FLAG 0x4
+
+/* SerDes Lock Detect Control and Status Register */
+#define REG_SERDES_LOCK 0x1424
+#define SERDES_LOCK_DETECT 1
+#define SERDES_LOCK_DETECT_EN 2
+
+/* MAC Control Register */
+#define REG_MAC_CTRL 0x1480
+#define MAC_CTRL_TX_EN 1
+#define MAC_CTRL_RX_EN 2
+#define MAC_CTRL_TX_FLOW 4
+#define MAC_CTRL_RX_FLOW 8
+#define MAC_CTRL_LOOPBACK 0x10
+#define MAC_CTRL_DUPLX 0x20
+#define MAC_CTRL_ADD_CRC 0x40
+#define MAC_CTRL_PAD 0x80
+#define MAC_CTRL_LENCHK 0x100
+#define MAC_CTRL_HUGE_EN 0x200
+#define MAC_CTRL_PRMLEN_SHIFT 10
+#define MAC_CTRL_PRMLEN_MASK 0xF
+#define MAC_CTRL_RMV_VLAN 0x4000
+#define MAC_CTRL_PROMIS_EN 0x8000
+#define MAC_CTRL_MC_ALL_EN 0x2000000
+#define MAC_CTRL_BC_EN 0x4000000
+
+/* MAC IPG/IFG Control Register */
+#define REG_MAC_IPG_IFG 0x1484
+#define MAC_IPG_IFG_IPGT_SHIFT 0
+#define MAC_IPG_IFG_IPGT_MASK 0x7F
+#define MAC_IPG_IFG_MIFG_SHIFT 8
+#define MAC_IPG_IFG_MIFG_MASK 0xFF
+#define MAC_IPG_IFG_IPGR1_SHIFT 16
+#define MAC_IPG_IFG_IPGR1_MASK 0x7F
+#define MAC_IPG_IFG_IPGR2_SHIFT 24
+#define MAC_IPG_IFG_IPGR2_MASK 0x7F
+
+/* MAC STATION ADDRESS */
+#define REG_MAC_STA_ADDR 0x1488
+
+/* Hash table for multicast address */
+#define REG_RX_HASH_TABLE 0x1490
+
+/* MAC Half-Duplex Control Register */
+#define REG_MAC_HALF_DUPLX_CTRL 0x1498
+#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0
+#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3FF
+#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12
+#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xF
+#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000
+#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000
+#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000
+#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000
+#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20
+#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xF
+#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24
+#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xF
+
+/* Maximum Frame Length Control Register */
+#define REG_MTU 0x149C
+
+/* Wake-On-Lan control register */
+#define REG_WOL_CTRL 0x14A0
+#define WOL_PATTERN_EN 0x1
+#define WOL_PATTERN_PME_EN 0x2
+#define WOL_MAGIC_EN 0x4
+#define WOL_MAGIC_PME_EN 0x8
+#define WOL_LINK_CHG_EN 0x10
+#define WOL_LINK_CHG_PME_EN 0x20
+#define WOL_PATTERN_ST 0x100
+#define WOL_MAGIC_ST 0x200
+#define WOL_LINKCHG_ST 0x400
+#define WOL_PT0_EN 0x10000
+#define WOL_PT1_EN 0x20000
+#define WOL_PT2_EN 0x40000
+#define WOL_PT3_EN 0x80000
+#define WOL_PT4_EN 0x100000
+#define WOL_PT0_MATCH 0x1000000
+#define WOL_PT1_MATCH 0x2000000
+#define WOL_PT2_MATCH 0x4000000
+#define WOL_PT3_MATCH 0x8000000
+#define WOL_PT4_MATCH 0x10000000
+
+/* Internal SRAM Partition Register, high 32 bits */
+#define REG_SRAM_RFD_ADDR 0x1500
+
+/* Descriptor Control register, high 32 bits */
+#define REG_DESC_BASE_ADDR_HI 0x1540
+
+/* Interrupt Status Register */
+#define REG_ISR 0x1600
+#define ISR_UR_DETECTED 0x1000000
+#define ISR_FERR_DETECTED 0x2000000
+#define ISR_NFERR_DETECTED 0x4000000
+#define ISR_CERR_DETECTED 0x8000000
+#define ISR_PHY_LINKDOWN 0x10000000
+#define ISR_DIS_INT 0x80000000
+
+/* Interrupt Mask Register */
+#define REG_IMR 0x1604
+
+#define REG_RFD_RRD_IDX 0x1800
+#define REG_TPD_IDX 0x1804
+
+/* MII definitions */
+
+/* PHY Common Register */
+#define MII_ATLX_CR 0x09
+#define MII_ATLX_SR 0x0A
+#define MII_ATLX_ESR 0x0F
+#define MII_ATLX_PSCR 0x10
+#define MII_ATLX_PSSR 0x11
+
+/* PHY Control Register */
+#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100,
+ * 00=10
+ */
+#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */
+#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
+#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
+#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */
+#define MII_CR_POWER_DOWN 0x0800 /* Power down */
+#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
+#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100,
+ * 00=10
+ */
+#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
+#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
+#define MII_CR_SPEED_MASK 0x2040
+#define MII_CR_SPEED_1000 0x0040
+#define MII_CR_SPEED_100 0x2000
+#define MII_CR_SPEED_10 0x0000
+
+/* PHY Status Register */
+#define MII_SR_EXTENDED_CAPS 0x0001 /* Ext register capabilities */
+#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */
+#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
+#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */
+#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */
+#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
+#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */
+#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext stat info in Reg 0x0F */
+#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */
+#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */
+#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */
+#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */
+#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */
+#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */
+#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */
+
+/* Link partner ability register */
+#define MII_LPA_SLCT 0x001f /* Same as advertise selector */
+#define MII_LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
+#define MII_LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */
+#define MII_LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */
+#define MII_LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */
+#define MII_LPA_100BASE4 0x0200 /* 100BASE-T4 */
+#define MII_LPA_PAUSE 0x0400 /* PAUSE */
+#define MII_LPA_ASYPAUSE 0x0800 /* Asymmetrical PAUSE */
+#define MII_LPA_RFAULT 0x2000 /* Link partner faulted */
+#define MII_LPA_LPACK 0x4000 /* Link partner acked us */
+#define MII_LPA_NPAGE 0x8000 /* Next page bit */
+
+/* Autoneg Advertisement Register */
+#define MII_AR_SELECTOR_FIELD 0x0001 /* IEEE 802.3 CSMA/CD */
+#define MII_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
+#define MII_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
+#define MII_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
+#define MII_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
+#define MII_AR_100T4_CAPS 0x0200 /* 100T4 Capable */
+#define MII_AR_PAUSE 0x0400 /* Pause operation desired */
+#define MII_AR_ASM_DIR 0x0800 /* Asymmetric Pause Dir bit */
+#define MII_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */
+#define MII_AR_NEXT_PAGE 0x8000 /* Next Page ability support */
+#define MII_AR_SPEED_MASK 0x01E0
+#define MII_AR_DEFAULT_CAP_MASK 0x0DE0
+
+/* 1000BASE-T Control Register */
+#define MII_ATLX_CR_1000T_HD_CAPS 0x0100 /* Adv 1000T HD cap */
+#define MII_ATLX_CR_1000T_FD_CAPS 0x0200 /* Adv 1000T FD cap */
+#define MII_ATLX_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device,
+ * 0=DTE device */
+#define MII_ATLX_CR_1000T_MS_VALUE 0x0800 /* 1=Config PHY as Master,
+ * 0=Configure PHY as Slave */
+#define MII_ATLX_CR_1000T_MS_ENABLE 0x1000 /* 1=Man Master/Slave config,
+ * 0=Auto Master/Slave config
+ */
+#define MII_ATLX_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */
+#define MII_ATLX_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */
+#define MII_ATLX_CR_1000T_TEST_MODE_2 0x4000 /* Master Xmit Jitter test */
+#define MII_ATLX_CR_1000T_TEST_MODE_3 0x6000 /* Slave Xmit Jitter test */
+#define MII_ATLX_CR_1000T_TEST_MODE_4 0x8000 /* Xmitter Distortion test */
+#define MII_ATLX_CR_1000T_SPEED_MASK 0x0300
+#define MII_ATLX_CR_1000T_DEFAULT_CAP_MASK 0x0300
+
+/* 1000BASE-T Status Register */
+#define MII_ATLX_SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */
+#define MII_ATLX_SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */
+#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
+#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
+#define MII_ATLX_SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master
+ * 0=Slave
+ */
+#define MII_ATLX_SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config
+ * fault */
+#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS_SHIFT 12
+#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS_SHIFT 13
+
+/* Extended Status Register */
+#define MII_ATLX_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */
+#define MII_ATLX_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */
+#define MII_ATLX_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */
+#define MII_ATLX_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */
+
+/* ATLX PHY Specific Control Register */
+#define MII_ATLX_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Func disabled */
+#define MII_ATLX_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enbld */
+#define MII_ATLX_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */
+#define MII_ATLX_PSCR_MAC_POWERDOWN 0x0008
+#define MII_ATLX_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low
+ * 0=CLK125 toggling
+ */
+#define MII_ATLX_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5,
+ * Manual MDI configuration
+ */
+#define MII_ATLX_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
+#define MII_ATLX_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover
+ * 100BASE-TX/10BASE-T: MDI
+ * Mode */
+#define MII_ATLX_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled
+ * all speeds.
+ */
+#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE 0x0080 /* 1=Enable Extended
+ * 10BASE-T distance
+ * (Lower 10BASE-T RX
+ * Threshold)
+ * 0=Normal 10BASE-T RX
+ * Threshold
+ */
+#define MII_ATLX_PSCR_MII_5BIT_ENABLE 0x0100 /* 1=5-Bit interface in
+ * 100BASE-TX
+ * 0=MII interface in
+ * 100BASE-TX
+ */
+#define MII_ATLX_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler dsbl */
+#define MII_ATLX_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */
+#define MII_ATLX_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
+#define MII_ATLX_PSCR_POLARITY_REVERSAL_SHIFT 1
+#define MII_ATLX_PSCR_AUTO_X_MODE_SHIFT 5
+#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
+
+/* ATLX PHY Specific Status Register */
+#define MII_ATLX_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */
+#define MII_ATLX_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */
+#define MII_ATLX_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
+#define MII_ATLX_PSSR_10MBS 0x0000 /* 00=10Mbs */
+#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */
+#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
+
+#define MII_DBG_ADDR 0x1D
+#define MII_DBG_DATA 0x1E
+
+/* PCI Command Register Bit Definitions */
+#define PCI_REG_COMMAND 0x04 /* PCI Command Register */
+#define CMD_IO_SPACE 0x0001
+#define CMD_MEMORY_SPACE 0x0002
+#define CMD_BUS_MASTER 0x0004
+
+/* Wake Up Filter Control */
+#define ATLX_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
+#define ATLX_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
+#define ATLX_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
+#define ATLX_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */
+#define ATLX_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
+
+#define ADVERTISE_10_HALF 0x0001
+#define ADVERTISE_10_FULL 0x0002
+#define ADVERTISE_100_HALF 0x0004
+#define ADVERTISE_100_FULL 0x0008
+#define ADVERTISE_1000_HALF 0x0010
+#define ADVERTISE_1000_FULL 0x0020
+#define AUTONEG_ADVERTISE_10_100_ALL 0x000F /* All 10/100 speeds */
+#define AUTONEG_ADVERTISE_10_ALL 0x0003 /* 10Mbps Full & Half speeds */
+
+#define PHY_AUTO_NEG_TIME 45 /* 4.5 Seconds */
+#define PHY_FORCE_TIME 20 /* 2.0 Seconds */
+
+/* For checksumming, the sum of all words in the EEPROM should equal 0xBABA */
+#define EEPROM_SUM 0xBABA
+#define NODE_ADDRESS_SIZE 6
+
+struct atlx_spi_flash_dev {
+ const char *manu_name; /* manufacturer id */
+ /* op-code */
+ u8 cmd_wrsr;
+ u8 cmd_read;
+ u8 cmd_program;
+ u8 cmd_wren;
+ u8 cmd_wrdi;
+ u8 cmd_rdsr;
+ u8 cmd_rdid;
+ u8 cmd_sector_erase;
+ u8 cmd_chip_erase;
+};
+
+#endif /* ATLX_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 10:57:45 +0000