atl*: Move the Atheros drivers

Move the Atheros drivers into drivers/net/ethernet/atheros/ and
make the necessary Kconfig and Makefile changes.

CC: Jay Cliburn <jcliburn@gmail.com>
CC: Chris Snook <chris.snook@gmail.com>
CC: Jie Yang <jie.yang@atheros.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2558 deletions

diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
deleted file mode 100644
index d8d411998fa..00000000000
--- a/drivers/net/atl1e/atl1e_main.c
+++ /dev/null
@@ -1,2558 +0,0 @@
-/*
- * 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.
- */
-
-#include "atl1e.h"
-
-#define DRV_VERSION "1.0.0.7-NAPI"
-
-char atl1e_driver_name[] = "ATL1E";
-char atl1e_driver_version[] = DRV_VERSION;
-#define PCI_DEVICE_ID_ATTANSIC_L1E      0x1026
-/*
- * atl1e_pci_tbl - PCI Device ID Table
- *
- * Wildcard entries (PCI_ANY_ID) should come last
- * Last entry must be all 0s
- *
- * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
- *   Class, Class Mask, private data (not used) }
- */
-static DEFINE_PCI_DEVICE_TABLE(atl1e_pci_tbl) = {
-	{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)},
-	{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)},
-	/* required last entry */
-	{ 0 }
-};
-MODULE_DEVICE_TABLE(pci, atl1e_pci_tbl);
-
-MODULE_AUTHOR("Atheros Corporation, <xiong.huang@atheros.com>, Jie Yang <jie.yang@atheros.com>");
-MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
-
-static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter);
-
-static const u16
-atl1e_rx_page_vld_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] =
-{
-	{REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD},
-	{REG_HOST_RXF1_PAGE0_VLD, REG_HOST_RXF1_PAGE1_VLD},
-	{REG_HOST_RXF2_PAGE0_VLD, REG_HOST_RXF2_PAGE1_VLD},
-	{REG_HOST_RXF3_PAGE0_VLD, REG_HOST_RXF3_PAGE1_VLD}
-};
-
-static const u16 atl1e_rx_page_hi_addr_regs[AT_MAX_RECEIVE_QUEUE] =
-{
-	REG_RXF0_BASE_ADDR_HI,
-	REG_RXF1_BASE_ADDR_HI,
-	REG_RXF2_BASE_ADDR_HI,
-	REG_RXF3_BASE_ADDR_HI
-};
-
-static const u16
-atl1e_rx_page_lo_addr_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] =
-{
-	{REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO},
-	{REG_HOST_RXF1_PAGE0_LO, REG_HOST_RXF1_PAGE1_LO},
-	{REG_HOST_RXF2_PAGE0_LO, REG_HOST_RXF2_PAGE1_LO},
-	{REG_HOST_RXF3_PAGE0_LO, REG_HOST_RXF3_PAGE1_LO}
-};
-
-static const u16
-atl1e_rx_page_write_offset_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] =
-{
-	{REG_HOST_RXF0_MB0_LO,  REG_HOST_RXF0_MB1_LO},
-	{REG_HOST_RXF1_MB0_LO,  REG_HOST_RXF1_MB1_LO},
-	{REG_HOST_RXF2_MB0_LO,  REG_HOST_RXF2_MB1_LO},
-	{REG_HOST_RXF3_MB0_LO,  REG_HOST_RXF3_MB1_LO}
-};
-
-static const u16 atl1e_pay_load_size[] = {
-	128, 256, 512, 1024, 2048, 4096,
-};
-
-/*
- * atl1e_irq_enable - Enable default interrupt generation settings
- * @adapter: board private structure
- */
-static inline void atl1e_irq_enable(struct atl1e_adapter *adapter)
-{
-	if (likely(atomic_dec_and_test(&adapter->irq_sem))) {
-		AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
-		AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK);
-		AT_WRITE_FLUSH(&adapter->hw);
-	}
-}
-
-/*
- * atl1e_irq_disable - Mask off interrupt generation on the NIC
- * @adapter: board private structure
- */
-static inline void atl1e_irq_disable(struct atl1e_adapter *adapter)
-{
-	atomic_inc(&adapter->irq_sem);
-	AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
-	AT_WRITE_FLUSH(&adapter->hw);
-	synchronize_irq(adapter->pdev->irq);
-}
-
-/*
- * atl1e_irq_reset - reset interrupt confiure on the NIC
- * @adapter: board private structure
- */
-static inline void atl1e_irq_reset(struct atl1e_adapter *adapter)
-{
-	atomic_set(&adapter->irq_sem, 0);
-	AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
-	AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
-	AT_WRITE_FLUSH(&adapter->hw);
-}
-
-/*
- * atl1e_phy_config - Timer Call-back
- * @data: pointer to netdev cast into an unsigned long
- */
-static void atl1e_phy_config(unsigned long data)
-{
-	struct atl1e_adapter *adapter = (struct atl1e_adapter *) data;
-	struct atl1e_hw *hw = &adapter->hw;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adapter->mdio_lock, flags);
-	atl1e_restart_autoneg(hw);
-	spin_unlock_irqrestore(&adapter->mdio_lock, flags);
-}
-
-void atl1e_reinit_locked(struct atl1e_adapter *adapter)
-{
-
-	WARN_ON(in_interrupt());
-	while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
-		msleep(1);
-	atl1e_down(adapter);
-	atl1e_up(adapter);
-	clear_bit(__AT_RESETTING, &adapter->flags);
-}
-
-static void atl1e_reset_task(struct work_struct *work)
-{
-	struct atl1e_adapter *adapter;
-	adapter = container_of(work, struct atl1e_adapter, reset_task);
-
-	atl1e_reinit_locked(adapter);
-}
-
-static int atl1e_check_link(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw = &adapter->hw;
-	struct net_device *netdev = adapter->netdev;
-	int err = 0;
-	u16 speed, duplex, phy_data;
-
-	/* MII_BMSR must read twice */
-	atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
-	atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
-	if ((phy_data & BMSR_LSTATUS) == 0) {
-		/* link down */
-		if (netif_carrier_ok(netdev)) { /* old link state: Up */
-			u32 value;
-			/* disable rx */
-			value = AT_READ_REG(hw, REG_MAC_CTRL);
-			value &= ~MAC_CTRL_RX_EN;
-			AT_WRITE_REG(hw, REG_MAC_CTRL, value);
-			adapter->link_speed = SPEED_0;
-			netif_carrier_off(netdev);
-			netif_stop_queue(netdev);
-		}
-	} else {
-		/* Link Up */
-		err = atl1e_get_speed_and_duplex(hw, &speed, &duplex);
-		if (unlikely(err))
-			return err;
-
-		/* link result is our setting */
-		if (adapter->link_speed != speed ||
-		    adapter->link_duplex != duplex) {
-			adapter->link_speed  = speed;
-			adapter->link_duplex = duplex;
-			atl1e_setup_mac_ctrl(adapter);
-			netdev_info(netdev,
-				    "NIC Link is Up <%d Mbps %s Duplex>\n",
-				    adapter->link_speed,
-				    adapter->link_duplex == FULL_DUPLEX ?
-				    "Full" : "Half");
-		}
-
-		if (!netif_carrier_ok(netdev)) {
-			/* Link down -> Up */
-			netif_carrier_on(netdev);
-			netif_wake_queue(netdev);
-		}
-	}
-	return 0;
-}
-
-/*
- * atl1e_link_chg_task - deal with link change event Out of interrupt context
- * @netdev: network interface device structure
- */
-static void atl1e_link_chg_task(struct work_struct *work)
-{
-	struct atl1e_adapter *adapter;
-	unsigned long flags;
-
-	adapter = container_of(work, struct atl1e_adapter, link_chg_task);
-	spin_lock_irqsave(&adapter->mdio_lock, flags);
-	atl1e_check_link(adapter);
-	spin_unlock_irqrestore(&adapter->mdio_lock, flags);
-}
-
-static void atl1e_link_chg_event(struct atl1e_adapter *adapter)
-{
-	struct net_device *netdev = adapter->netdev;
-	u16 phy_data = 0;
-	u16 link_up = 0;
-
-	spin_lock(&adapter->mdio_lock);
-	atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
-	atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data);
-	spin_unlock(&adapter->mdio_lock);
-	link_up = phy_data & BMSR_LSTATUS;
-	/* notify upper layer link down ASAP */
-	if (!link_up) {
-		if (netif_carrier_ok(netdev)) {
-			/* old link state: Up */
-			netdev_info(netdev, "NIC Link is Down\n");
-			adapter->link_speed = SPEED_0;
-			netif_stop_queue(netdev);
-		}
-	}
-	schedule_work(&adapter->link_chg_task);
-}
-
-static void atl1e_del_timer(struct atl1e_adapter *adapter)
-{
-	del_timer_sync(&adapter->phy_config_timer);
-}
-
-static void atl1e_cancel_work(struct atl1e_adapter *adapter)
-{
-	cancel_work_sync(&adapter->reset_task);
-	cancel_work_sync(&adapter->link_chg_task);
-}
-
-/*
- * atl1e_tx_timeout - Respond to a Tx Hang
- * @netdev: network interface device structure
- */
-static void atl1e_tx_timeout(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	/* Do the reset outside of interrupt context */
-	schedule_work(&adapter->reset_task);
-}
-
-/*
- * atl1e_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 atl1e_set_multi(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	struct atl1e_hw *hw = &adapter->hw;
-	struct netdev_hw_addr *ha;
-	u32 mac_ctrl_data = 0;
-	u32 hash_value;
-
-	/* Check for Promiscuous and All Multicast modes */
-	mac_ctrl_data = AT_READ_REG(hw, REG_MAC_CTRL);
-
-	if (netdev->flags & IFF_PROMISC) {
-		mac_ctrl_data |= MAC_CTRL_PROMIS_EN;
-	} else if (netdev->flags & IFF_ALLMULTI) {
-		mac_ctrl_data |= MAC_CTRL_MC_ALL_EN;
-		mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN;
-	} else {
-		mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN);
-	}
-
-	AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data);
-
-	/* clear the old settings from the multicast hash table */
-	AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
-	AT_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 = atl1e_hash_mc_addr(hw, ha->addr);
-		atl1e_hash_set(hw, hash_value);
-	}
-}
-
-static void __atl1e_vlan_mode(u32 features, u32 *mac_ctrl_data)
-{
-	if (features & NETIF_F_HW_VLAN_RX) {
-		/* enable VLAN tag insert/strip */
-		*mac_ctrl_data |= MAC_CTRL_RMV_VLAN;
-	} else {
-		/* disable VLAN tag insert/strip */
-		*mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN;
-	}
-}
-
-static void atl1e_vlan_mode(struct net_device *netdev, u32 features)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	u32 mac_ctrl_data = 0;
-
-	netdev_dbg(adapter->netdev, "%s\n", __func__);
-
-	atl1e_irq_disable(adapter);
-	mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL);
-	__atl1e_vlan_mode(features, &mac_ctrl_data);
-	AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data);
-	atl1e_irq_enable(adapter);
-}
-
-static void atl1e_restore_vlan(struct atl1e_adapter *adapter)
-{
-	netdev_dbg(adapter->netdev, "%s\n", __func__);
-	atl1e_vlan_mode(adapter->netdev, adapter->netdev->features);
-}
-
-/*
- * atl1e_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 atl1e_set_mac_addr(struct net_device *netdev, void *p)
-{
-	struct atl1e_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);
-
-	atl1e_hw_set_mac_addr(&adapter->hw);
-
-	return 0;
-}
-
-static u32 atl1e_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 atl1e_set_features(struct net_device *netdev, u32 features)
-{
-	u32 changed = netdev->features ^ features;
-
-	if (changed & NETIF_F_HW_VLAN_RX)
-		atl1e_vlan_mode(netdev, features);
-
-	return 0;
-}
-
-/*
- * atl1e_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 atl1e_change_mtu(struct net_device *netdev, int new_mtu)
-{
-	struct atl1e_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)) {
-		netdev_warn(adapter->netdev, "invalid MTU setting\n");
-		return -EINVAL;
-	}
-	/* set MTU */
-	if (old_mtu != new_mtu && netif_running(netdev)) {
-		while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
-			msleep(1);
-		netdev->mtu = new_mtu;
-		adapter->hw.max_frame_size = new_mtu;
-		adapter->hw.rx_jumbo_th = (max_frame + 7) >> 3;
-		atl1e_down(adapter);
-		atl1e_up(adapter);
-		clear_bit(__AT_RESETTING, &adapter->flags);
-	}
-	return 0;
-}
-
-/*
- *  caller should hold mdio_lock
- */
-static int atl1e_mdio_read(struct net_device *netdev, int phy_id, int reg_num)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	u16 result;
-
-	atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result);
-	return result;
-}
-
-static void atl1e_mdio_write(struct net_device *netdev, int phy_id,
-			     int reg_num, int val)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
-}
-
-/*
- * atl1e_mii_ioctl -
- * @netdev:
- * @ifreq:
- * @cmd:
- */
-static int atl1e_mii_ioctl(struct net_device *netdev,
-			   struct ifreq *ifr, int cmd)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	struct mii_ioctl_data *data = if_mii(ifr);
-	unsigned long flags;
-	int retval = 0;
-
-	if (!netif_running(netdev))
-		return -EINVAL;
-
-	spin_lock_irqsave(&adapter->mdio_lock, flags);
-	switch (cmd) {
-	case SIOCGMIIPHY:
-		data->phy_id = 0;
-		break;
-
-	case SIOCGMIIREG:
-		if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
-				    &data->val_out)) {
-			retval = -EIO;
-			goto out;
-		}
-		break;
-
-	case SIOCSMIIREG:
-		if (data->reg_num & ~(0x1F)) {
-			retval = -EFAULT;
-			goto out;
-		}
-
-		netdev_dbg(adapter->netdev, "<atl1e_mii_ioctl> write %x %x\n",
-			   data->reg_num, data->val_in);
-		if (atl1e_write_phy_reg(&adapter->hw,
-				     data->reg_num, data->val_in)) {
-			retval = -EIO;
-			goto out;
-		}
-		break;
-
-	default:
-		retval = -EOPNOTSUPP;
-		break;
-	}
-out:
-	spin_unlock_irqrestore(&adapter->mdio_lock, flags);
-	return retval;
-
-}
-
-/*
- * atl1e_ioctl -
- * @netdev:
- * @ifreq:
- * @cmd:
- */
-static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
-{
-	switch (cmd) {
-	case SIOCGMIIPHY:
-	case SIOCGMIIREG:
-	case SIOCSMIIREG:
-		return atl1e_mii_ioctl(netdev, ifr, cmd);
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static void atl1e_setup_pcicmd(struct pci_dev *pdev)
-{
-	u16 cmd;
-
-	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
-	cmd &= ~(PCI_COMMAND_INTX_DISABLE | PCI_COMMAND_IO);
-	cmd |=  (PCI_COMMAND_MEMORY | 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);
-	msleep(1);
-}
-
-/*
- * atl1e_alloc_queues - Allocate memory for all rings
- * @adapter: board private structure to initialize
- *
- */
-static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter)
-{
-	return 0;
-}
-
-/*
- * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter)
- * @adapter: board private structure to initialize
- *
- * atl1e_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 atl1e_sw_init(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw   = &adapter->hw;
-	struct pci_dev	*pdev = adapter->pdev;
-	u32 phy_status_data = 0;
-
-	adapter->wol = 0;
-	adapter->link_speed = SPEED_0;   /* hardware init */
-	adapter->link_duplex = FULL_DUPLEX;
-	adapter->num_rx_queues = 1;
-
-	/* 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);
-
-	phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
-	/* nic type */
-	if (hw->revision_id >= 0xF0) {
-		hw->nic_type = athr_l2e_revB;
-	} else {
-		if (phy_status_data & PHY_STATUS_100M)
-			hw->nic_type = athr_l1e;
-		else
-			hw->nic_type = athr_l2e_revA;
-	}
-
-	phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
-
-	if (phy_status_data & PHY_STATUS_EMI_CA)
-		hw->emi_ca = true;
-	else
-		hw->emi_ca = false;
-
-	hw->phy_configured = false;
-	hw->preamble_len = 7;
-	hw->max_frame_size = adapter->netdev->mtu;
-	hw->rx_jumbo_th = (hw->max_frame_size + ETH_HLEN +
-				VLAN_HLEN + ETH_FCS_LEN + 7) >> 3;
-
-	hw->rrs_type = atl1e_rrs_disable;
-	hw->indirect_tab = 0;
-	hw->base_cpu = 0;
-
-	/* need confirm */
-
-	hw->ict = 50000;                 /* 100ms */
-	hw->smb_timer = 200000;          /* 200ms  */
-	hw->tpd_burst = 5;
-	hw->rrd_thresh = 1;
-	hw->tpd_thresh = adapter->tx_ring.count / 2;
-	hw->rx_count_down = 4;  /* 2us resolution */
-	hw->tx_count_down = hw->imt * 4 / 3;
-	hw->dmar_block = atl1e_dma_req_1024;
-	hw->dmaw_block = atl1e_dma_req_1024;
-	hw->dmar_dly_cnt = 15;
-	hw->dmaw_dly_cnt = 4;
-
-	if (atl1e_alloc_queues(adapter)) {
-		netdev_err(adapter->netdev, "Unable to allocate memory for queues\n");
-		return -ENOMEM;
-	}
-
-	atomic_set(&adapter->irq_sem, 1);
-	spin_lock_init(&adapter->mdio_lock);
-	spin_lock_init(&adapter->tx_lock);
-
-	set_bit(__AT_DOWN, &adapter->flags);
-
-	return 0;
-}
-
-/*
- * atl1e_clean_tx_ring - Free Tx-skb
- * @adapter: board private structure
- */
-static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter)
-{
-	struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
-				&adapter->tx_ring;
-	struct atl1e_tx_buffer *tx_buffer = NULL;
-	struct pci_dev *pdev = adapter->pdev;
-	u16 index, ring_count;
-
-	if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL)
-		return;
-
-	ring_count = tx_ring->count;
-	/* first unmmap dma */
-	for (index = 0; index < ring_count; index++) {
-		tx_buffer = &tx_ring->tx_buffer[index];
-		if (tx_buffer->dma) {
-			if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE)
-				pci_unmap_single(pdev, tx_buffer->dma,
-					tx_buffer->length, PCI_DMA_TODEVICE);
-			else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE)
-				pci_unmap_page(pdev, tx_buffer->dma,
-					tx_buffer->length, PCI_DMA_TODEVICE);
-			tx_buffer->dma = 0;
-		}
-	}
-	/* second free skb */
-	for (index = 0; index < ring_count; index++) {
-		tx_buffer = &tx_ring->tx_buffer[index];
-		if (tx_buffer->skb) {
-			dev_kfree_skb_any(tx_buffer->skb);
-			tx_buffer->skb = NULL;
-		}
-	}
-	/* Zero out Tx-buffers */
-	memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) *
-				ring_count);
-	memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) *
-				ring_count);
-}
-
-/*
- * atl1e_clean_rx_ring - Free rx-reservation skbs
- * @adapter: board private structure
- */
-static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter)
-{
-	struct atl1e_rx_ring *rx_ring =
-		(struct atl1e_rx_ring *)&adapter->rx_ring;
-	struct atl1e_rx_page_desc *rx_page_desc = rx_ring->rx_page_desc;
-	u16 i, j;
-
-
-	if (adapter->ring_vir_addr == NULL)
-		return;
-	/* Zero out the descriptor ring */
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
-			if (rx_page_desc[i].rx_page[j].addr != NULL) {
-				memset(rx_page_desc[i].rx_page[j].addr, 0,
-						rx_ring->real_page_size);
-			}
-		}
-	}
-}
-
-static void atl1e_cal_ring_size(struct atl1e_adapter *adapter, u32 *ring_size)
-{
-	*ring_size = ((u32)(adapter->tx_ring.count *
-		     sizeof(struct atl1e_tpd_desc) + 7
-			/* tx ring, qword align */
-		     + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE *
-			adapter->num_rx_queues + 31
-			/* rx ring,  32 bytes align */
-		     + (1 + AT_PAGE_NUM_PER_QUEUE * adapter->num_rx_queues) *
-			sizeof(u32) + 3));
-			/* tx, rx cmd, dword align   */
-}
-
-static void atl1e_init_ring_resources(struct atl1e_adapter *adapter)
-{
-	struct atl1e_rx_ring *rx_ring = NULL;
-
-	rx_ring = &adapter->rx_ring;
-
-	rx_ring->real_page_size = adapter->rx_ring.page_size
-				 + adapter->hw.max_frame_size
-				 + ETH_HLEN + VLAN_HLEN
-				 + ETH_FCS_LEN;
-	rx_ring->real_page_size = roundup(rx_ring->real_page_size, 32);
-	atl1e_cal_ring_size(adapter, &adapter->ring_size);
-
-	adapter->ring_vir_addr = NULL;
-	adapter->rx_ring.desc = NULL;
-	rwlock_init(&adapter->tx_ring.tx_lock);
-}
-
-/*
- * Read / Write Ptr Initialize:
- */
-static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter)
-{
-	struct atl1e_tx_ring *tx_ring = NULL;
-	struct atl1e_rx_ring *rx_ring = NULL;
-	struct atl1e_rx_page_desc *rx_page_desc = NULL;
-	int i, j;
-
-	tx_ring = &adapter->tx_ring;
-	rx_ring = &adapter->rx_ring;
-	rx_page_desc = rx_ring->rx_page_desc;
-
-	tx_ring->next_to_use = 0;
-	atomic_set(&tx_ring->next_to_clean, 0);
-
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		rx_page_desc[i].rx_using  = 0;
-		rx_page_desc[i].rx_nxseq = 0;
-		for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
-			*rx_page_desc[i].rx_page[j].write_offset_addr = 0;
-			rx_page_desc[i].rx_page[j].read_offset = 0;
-		}
-	}
-}
-
-/*
- * atl1e_free_ring_resources - Free Tx / RX descriptor Resources
- * @adapter: board private structure
- *
- * Free all transmit software resources
- */
-static void atl1e_free_ring_resources(struct atl1e_adapter *adapter)
-{
-	struct pci_dev *pdev = adapter->pdev;
-
-	atl1e_clean_tx_ring(adapter);
-	atl1e_clean_rx_ring(adapter);
-
-	if (adapter->ring_vir_addr) {
-		pci_free_consistent(pdev, adapter->ring_size,
-				adapter->ring_vir_addr, adapter->ring_dma);
-		adapter->ring_vir_addr = NULL;
-	}
-
-	if (adapter->tx_ring.tx_buffer) {
-		kfree(adapter->tx_ring.tx_buffer);
-		adapter->tx_ring.tx_buffer = NULL;
-	}
-}
-
-/*
- * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources
- * @adapter: board private structure
- *
- * Return 0 on success, negative on failure
- */
-static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter)
-{
-	struct pci_dev *pdev = adapter->pdev;
-	struct atl1e_tx_ring *tx_ring;
-	struct atl1e_rx_ring *rx_ring;
-	struct atl1e_rx_page_desc  *rx_page_desc;
-	int size, i, j;
-	u32 offset = 0;
-	int err = 0;
-
-	if (adapter->ring_vir_addr != NULL)
-		return 0; /* alloced already */
-
-	tx_ring = &adapter->tx_ring;
-	rx_ring = &adapter->rx_ring;
-
-	/* real ring DMA buffer */
-
-	size = adapter->ring_size;
-	adapter->ring_vir_addr = pci_alloc_consistent(pdev,
-			adapter->ring_size, &adapter->ring_dma);
-
-	if (adapter->ring_vir_addr == NULL) {
-		netdev_err(adapter->netdev,
-			   "pci_alloc_consistent failed, size = D%d\n", size);
-		return -ENOMEM;
-	}
-
-	memset(adapter->ring_vir_addr, 0, adapter->ring_size);
-
-	rx_page_desc = rx_ring->rx_page_desc;
-
-	/* Init TPD Ring */
-	tx_ring->dma = roundup(adapter->ring_dma, 8);
-	offset = tx_ring->dma - adapter->ring_dma;
-	tx_ring->desc = adapter->ring_vir_addr + offset;
-	size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count);
-	tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL);
-	if (tx_ring->tx_buffer == NULL) {
-		netdev_err(adapter->netdev, "kzalloc failed, size = D%d\n",
-			   size);
-		err = -ENOMEM;
-		goto failed;
-	}
-
-	/* Init RXF-Pages */
-	offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count);
-	offset = roundup(offset, 32);
-
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
-			rx_page_desc[i].rx_page[j].dma =
-				adapter->ring_dma + offset;
-			rx_page_desc[i].rx_page[j].addr =
-				adapter->ring_vir_addr + offset;
-			offset += rx_ring->real_page_size;
-		}
-	}
-
-	/* Init CMB dma address */
-	tx_ring->cmb_dma = adapter->ring_dma + offset;
-	tx_ring->cmb = adapter->ring_vir_addr + offset;
-	offset += sizeof(u32);
-
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
-			rx_page_desc[i].rx_page[j].write_offset_dma =
-				adapter->ring_dma + offset;
-			rx_page_desc[i].rx_page[j].write_offset_addr =
-				adapter->ring_vir_addr + offset;
-			offset += sizeof(u32);
-		}
-	}
-
-	if (unlikely(offset > adapter->ring_size)) {
-		netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n",
-			   offset, adapter->ring_size);
-		err = -1;
-		goto failed;
-	}
-
-	return 0;
-failed:
-	if (adapter->ring_vir_addr != NULL) {
-		pci_free_consistent(pdev, adapter->ring_size,
-				adapter->ring_vir_addr, adapter->ring_dma);
-		adapter->ring_vir_addr = NULL;
-	}
-	return err;
-}
-
-static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter)
-{
-
-	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
-	struct atl1e_rx_ring *rx_ring =
-			(struct atl1e_rx_ring *)&adapter->rx_ring;
-	struct atl1e_tx_ring *tx_ring =
-			(struct atl1e_tx_ring *)&adapter->tx_ring;
-	struct atl1e_rx_page_desc *rx_page_desc = NULL;
-	int i, j;
-
-	AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI,
-			(u32)((adapter->ring_dma & AT_DMA_HI_ADDR_MASK) >> 32));
-	AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO,
-			(u32)((tx_ring->dma) & AT_DMA_LO_ADDR_MASK));
-	AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count));
-	AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO,
-			(u32)((tx_ring->cmb_dma) & AT_DMA_LO_ADDR_MASK));
-
-	rx_page_desc = rx_ring->rx_page_desc;
-	/* RXF Page Physical address / Page Length */
-	for (i = 0; i < AT_MAX_RECEIVE_QUEUE; i++) {
-		AT_WRITE_REG(hw, atl1e_rx_page_hi_addr_regs[i],
-				 (u32)((adapter->ring_dma &
-				 AT_DMA_HI_ADDR_MASK) >> 32));
-		for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
-			u32 page_phy_addr;
-			u32 offset_phy_addr;
-
-			page_phy_addr = rx_page_desc[i].rx_page[j].dma;
-			offset_phy_addr =
-				   rx_page_desc[i].rx_page[j].write_offset_dma;
-
-			AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[i][j],
-					page_phy_addr & AT_DMA_LO_ADDR_MASK);
-			AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[i][j],
-					offset_phy_addr & AT_DMA_LO_ADDR_MASK);
-			AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[i][j], 1);
-		}
-	}
-	/* Page Length */
-	AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size);
-	/* Load all of base address above */
-	AT_WRITE_REG(hw, REG_LOAD_PTR, 1);
-}
-
-static inline void atl1e_configure_tx(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
-	u32 dev_ctrl_data = 0;
-	u32 max_pay_load = 0;
-	u32 jumbo_thresh = 0;
-	u32 extra_size = 0;     /* Jumbo frame threshold in QWORD unit */
-
-	/* configure TXQ param */
-	if (hw->nic_type != athr_l2e_revB) {
-		extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
-		if (hw->max_frame_size <= 1500) {
-			jumbo_thresh = hw->max_frame_size + extra_size;
-		} else if (hw->max_frame_size < 6*1024) {
-			jumbo_thresh =
-				(hw->max_frame_size + extra_size) * 2 / 3;
-		} else {
-			jumbo_thresh = (hw->max_frame_size + extra_size) / 2;
-		}
-		AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3);
-	}
-
-	dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL);
-
-	max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) &
-			DEVICE_CTRL_MAX_PAYLOAD_MASK;
-
-	hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block);
-
-	max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) &
-			DEVICE_CTRL_MAX_RREQ_SZ_MASK;
-	hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block);
-
-	if (hw->nic_type != athr_l2e_revB)
-		AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2,
-			      atl1e_pay_load_size[hw->dmar_block]);
-	/* enable TXQ */
-	AT_WRITE_REGW(hw, REG_TXQ_CTRL,
-			(((u16)hw->tpd_burst & TXQ_CTRL_NUM_TPD_BURST_MASK)
-			 << TXQ_CTRL_NUM_TPD_BURST_SHIFT)
-			| TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN);
-}
-
-static inline void atl1e_configure_rx(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
-	u32 rxf_len  = 0;
-	u32 rxf_low  = 0;
-	u32 rxf_high = 0;
-	u32 rxf_thresh_data = 0;
-	u32 rxq_ctrl_data = 0;
-
-	if (hw->nic_type != athr_l2e_revB) {
-		AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM,
-			      (u16)((hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) <<
-			      RXQ_JMBOSZ_TH_SHIFT |
-			      (1 & RXQ_JMBO_LKAH_MASK) <<
-			      RXQ_JMBO_LKAH_SHIFT));
-
-		rxf_len  = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
-		rxf_high = rxf_len * 4 / 5;
-		rxf_low  = rxf_len / 5;
-		rxf_thresh_data = ((rxf_high  & RXQ_RXF_PAUSE_TH_HI_MASK)
-				  << RXQ_RXF_PAUSE_TH_HI_SHIFT) |
-				  ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK)
-				  << RXQ_RXF_PAUSE_TH_LO_SHIFT);
-
-		AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data);
-	}
-
-	/* RRS */
-	AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab);
-	AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu);
-
-	if (hw->rrs_type & atl1e_rrs_ipv4)
-		rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4;
-
-	if (hw->rrs_type & atl1e_rrs_ipv4_tcp)
-		rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4_TCP;
-
-	if (hw->rrs_type & atl1e_rrs_ipv6)
-		rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6;
-
-	if (hw->rrs_type & atl1e_rrs_ipv6_tcp)
-		rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6_TCP;
-
-	if (hw->rrs_type != atl1e_rrs_disable)
-		rxq_ctrl_data |=
-			(RXQ_CTRL_HASH_ENABLE | RXQ_CTRL_RSS_MODE_MQUESINT);
-
-	rxq_ctrl_data |= RXQ_CTRL_IPV6_XSUM_VERIFY_EN | RXQ_CTRL_PBA_ALIGN_32 |
-			 RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN;
-
-	AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data);
-}
-
-static inline void atl1e_configure_dma(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw = &adapter->hw;
-	u32 dma_ctrl_data = 0;
-
-	dma_ctrl_data = DMA_CTRL_RXCMB_EN;
-	dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK)
-		<< DMA_CTRL_DMAR_BURST_LEN_SHIFT;
-	dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK)
-		<< DMA_CTRL_DMAW_BURST_LEN_SHIFT;
-	dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER;
-	dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK)
-		<< DMA_CTRL_DMAR_DLY_CNT_SHIFT;
-	dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK)
-		<< DMA_CTRL_DMAW_DLY_CNT_SHIFT;
-
-	AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data);
-}
-
-static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter)
-{
-	u32 value;
-	struct atl1e_hw *hw = &adapter->hw;
-	struct net_device *netdev = adapter->netdev;
-
-	/* Config MAC CTRL Register */
-	value = MAC_CTRL_TX_EN |
-		MAC_CTRL_RX_EN ;
-
-	if (FULL_DUPLEX == adapter->link_duplex)
-		value |= MAC_CTRL_DUPLX;
-
-	value |= ((u32)((SPEED_1000 == adapter->link_speed) ?
-			  MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) <<
-			  MAC_CTRL_SPEED_SHIFT);
-	value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW);
-
-	value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD);
-	value |= (((u32)adapter->hw.preamble_len &
-		  MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
-
-	__atl1e_vlan_mode(netdev->features, &value);
-
-	value |= MAC_CTRL_BC_EN;
-	if (netdev->flags & IFF_PROMISC)
-		value |= MAC_CTRL_PROMIS_EN;
-	if (netdev->flags & IFF_ALLMULTI)
-		value |= MAC_CTRL_MC_ALL_EN;
-
-	AT_WRITE_REG(hw, REG_MAC_CTRL, value);
-}
-
-/*
- * atl1e_configure - Configure Transmit&Receive Unit after Reset
- * @adapter: board private structure
- *
- * Configure the Tx /Rx unit of the MAC after a reset.
- */
-static int atl1e_configure(struct atl1e_adapter *adapter)
-{
-	struct atl1e_hw *hw = &adapter->hw;
-
-	u32 intr_status_data = 0;
-
-	/* clear interrupt status */
-	AT_WRITE_REG(hw, REG_ISR, ~0);
-
-	/* 1. set MAC Address */
-	atl1e_hw_set_mac_addr(hw);
-
-	/* 2. Init the Multicast HASH table done by set_muti */
-
-	/* 3. Clear any WOL status */
-	AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
-
-	/* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr
-	 *    TPD Ring/SMB/RXF0 Page CMBs, they use the same
-	 *    High 32bits memory */
-	atl1e_configure_des_ring(adapter);
-
-	/* 5. set Interrupt Moderator Timer */
-	AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, hw->imt);
-	AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, hw->imt);
-	AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE |
-			MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN);
-
-	/* 6. rx/tx threshold to trig interrupt */
-	AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, hw->rrd_thresh);
-	AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, hw->tpd_thresh);
-	AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, hw->rx_count_down);
-	AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, hw->tx_count_down);
-
-	/* 7. set Interrupt Clear Timer */
-	AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, hw->ict);
-
-	/* 8. set MTU */
-	AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN +
-			VLAN_HLEN + ETH_FCS_LEN);
-
-	/* 9. config TXQ early tx threshold */
-	atl1e_configure_tx(adapter);
-
-	/* 10. config RXQ */
-	atl1e_configure_rx(adapter);
-
-	/* 11. config  DMA Engine */
-	atl1e_configure_dma(adapter);
-
-	/* 12. smb timer to trig interrupt */
-	AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, hw->smb_timer);
-
-	intr_status_data = AT_READ_REG(hw, REG_ISR);
-	if (unlikely((intr_status_data & ISR_PHY_LINKDOWN) != 0)) {
-		netdev_err(adapter->netdev,
-			   "atl1e_configure failed, PCIE phy link down\n");
-		return -1;
-	}
-
-	AT_WRITE_REG(hw, REG_ISR, 0x7fffffff);
-	return 0;
-}
-
-/*
- * atl1e_get_stats - Get System Network Statistics
- * @netdev: network interface device structure
- *
- * Returns the address of the device statistics structure.
- * The statistics are actually updated from the timer callback.
- */
-static struct net_device_stats *atl1e_get_stats(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	struct atl1e_hw_stats  *hw_stats = &adapter->hw_stats;
-	struct net_device_stats *net_stats = &netdev->stats;
-
-	net_stats->rx_packets = hw_stats->rx_ok;
-	net_stats->tx_packets = hw_stats->tx_ok;
-	net_stats->rx_bytes   = hw_stats->rx_byte_cnt;
-	net_stats->tx_bytes   = hw_stats->tx_byte_cnt;
-	net_stats->multicast  = hw_stats->rx_mcast;
-	net_stats->collisions = hw_stats->tx_1_col +
-				hw_stats->tx_2_col * 2 +
-				hw_stats->tx_late_col + hw_stats->tx_abort_col;
-
-	net_stats->rx_errors  = hw_stats->rx_frag + hw_stats->rx_fcs_err +
-				hw_stats->rx_len_err + hw_stats->rx_sz_ov +
-				hw_stats->rx_rrd_ov + hw_stats->rx_align_err;
-	net_stats->rx_fifo_errors   = hw_stats->rx_rxf_ov;
-	net_stats->rx_length_errors = hw_stats->rx_len_err;
-	net_stats->rx_crc_errors    = hw_stats->rx_fcs_err;
-	net_stats->rx_frame_errors  = hw_stats->rx_align_err;
-	net_stats->rx_over_errors   = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov;
-
-	net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov;
-
-	net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col +
-			       hw_stats->tx_underrun + hw_stats->tx_trunc;
-	net_stats->tx_fifo_errors    = hw_stats->tx_underrun;
-	net_stats->tx_aborted_errors = hw_stats->tx_abort_col;
-	net_stats->tx_window_errors  = hw_stats->tx_late_col;
-
-	return net_stats;
-}
-
-static void atl1e_update_hw_stats(struct atl1e_adapter *adapter)
-{
-	u16 hw_reg_addr = 0;
-	unsigned long *stats_item = NULL;
-
-	/* update rx status */
-	hw_reg_addr = REG_MAC_RX_STATUS_BIN;
-	stats_item  = &adapter->hw_stats.rx_ok;
-	while (hw_reg_addr <= REG_MAC_RX_STATUS_END) {
-		*stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr);
-		stats_item++;
-		hw_reg_addr += 4;
-	}
-	/* update tx status */
-	hw_reg_addr = REG_MAC_TX_STATUS_BIN;
-	stats_item  = &adapter->hw_stats.tx_ok;
-	while (hw_reg_addr <= REG_MAC_TX_STATUS_END) {
-		*stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr);
-		stats_item++;
-		hw_reg_addr += 4;
-	}
-}
-
-static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter)
-{
-	u16 phy_data;
-
-	spin_lock(&adapter->mdio_lock);
-	atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data);
-	spin_unlock(&adapter->mdio_lock);
-}
-
-static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter)
-{
-	struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
-					&adapter->tx_ring;
-	struct atl1e_tx_buffer *tx_buffer = NULL;
-	u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX);
-	u16 next_to_clean = atomic_read(&tx_ring->next_to_clean);
-
-	while (next_to_clean != hw_next_to_clean) {
-		tx_buffer = &tx_ring->tx_buffer[next_to_clean];
-		if (tx_buffer->dma) {
-			if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE)
-				pci_unmap_single(adapter->pdev, tx_buffer->dma,
-					tx_buffer->length, PCI_DMA_TODEVICE);
-			else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE)
-				pci_unmap_page(adapter->pdev, tx_buffer->dma,
-					tx_buffer->length, PCI_DMA_TODEVICE);
-			tx_buffer->dma = 0;
-		}
-
-		if (tx_buffer->skb) {
-			dev_kfree_skb_irq(tx_buffer->skb);
-			tx_buffer->skb = NULL;
-		}
-
-		if (++next_to_clean == tx_ring->count)
-			next_to_clean = 0;
-	}
-
-	atomic_set(&tx_ring->next_to_clean, next_to_clean);
-
-	if (netif_queue_stopped(adapter->netdev) &&
-			netif_carrier_ok(adapter->netdev)) {
-		netif_wake_queue(adapter->netdev);
-	}
-
-	return true;
-}
-
-/*
- * atl1e_intr - Interrupt Handler
- * @irq: interrupt number
- * @data: pointer to a network interface device structure
- * @pt_regs: CPU registers structure
- */
-static irqreturn_t atl1e_intr(int irq, void *data)
-{
-	struct net_device *netdev  = data;
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	struct atl1e_hw *hw = &adapter->hw;
-	int max_ints = AT_MAX_INT_WORK;
-	int handled = IRQ_NONE;
-	u32 status;
-
-	do {
-		status = AT_READ_REG(hw, REG_ISR);
-		if ((status & IMR_NORMAL_MASK) == 0 ||
-				(status & ISR_DIS_INT) != 0) {
-			if (max_ints != AT_MAX_INT_WORK)
-				handled = IRQ_HANDLED;
-			break;
-		}
-		/* link event */
-		if (status & ISR_GPHY)
-			atl1e_clear_phy_int(adapter);
-		/* Ack ISR */
-		AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT);
-
-		handled = IRQ_HANDLED;
-		/* check if PCIE PHY Link down */
-		if (status & ISR_PHY_LINKDOWN) {
-			netdev_err(adapter->netdev,
-				   "pcie phy linkdown %x\n", status);
-			if (netif_running(adapter->netdev)) {
-				/* reset MAC */
-				atl1e_irq_reset(adapter);
-				schedule_work(&adapter->reset_task);
-				break;
-			}
-		}
-
-		/* check if DMA read/write error */
-		if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) {
-			netdev_err(adapter->netdev,
-				   "PCIE DMA RW error (status = 0x%x)\n",
-				   status);
-			atl1e_irq_reset(adapter);
-			schedule_work(&adapter->reset_task);
-			break;
-		}
-
-		if (status & ISR_SMB)
-			atl1e_update_hw_stats(adapter);
-
-		/* link event */
-		if (status & (ISR_GPHY | ISR_MANUAL)) {
-			netdev->stats.tx_carrier_errors++;
-			atl1e_link_chg_event(adapter);
-			break;
-		}
-
-		/* transmit event */
-		if (status & ISR_TX_EVENT)
-			atl1e_clean_tx_irq(adapter);
-
-		if (status & ISR_RX_EVENT) {
-			/*
-			 * disable rx interrupts, without
-			 * the synchronize_irq bit
-			 */
-			AT_WRITE_REG(hw, REG_IMR,
-				     IMR_NORMAL_MASK & ~ISR_RX_EVENT);
-			AT_WRITE_FLUSH(hw);
-			if (likely(napi_schedule_prep(
-				   &adapter->napi)))
-				__napi_schedule(&adapter->napi);
-		}
-	} while (--max_ints > 0);
-	/* re-enable Interrupt*/
-	AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
-
-	return handled;
-}
-
-static inline void atl1e_rx_checksum(struct atl1e_adapter *adapter,
-		  struct sk_buff *skb, struct atl1e_recv_ret_status *prrs)
-{
-	u8 *packet = (u8 *)(prrs + 1);
-	struct iphdr *iph;
-	u16 head_len = ETH_HLEN;
-	u16 pkt_flags;
-	u16 err_flags;
-
-	skb_checksum_none_assert(skb);
-	pkt_flags = prrs->pkt_flag;
-	err_flags = prrs->err_flag;
-	if (((pkt_flags & RRS_IS_IPV4) || (pkt_flags & RRS_IS_IPV6)) &&
-		((pkt_flags & RRS_IS_TCP) || (pkt_flags & RRS_IS_UDP))) {
-		if (pkt_flags & RRS_IS_IPV4) {
-			if (pkt_flags & RRS_IS_802_3)
-				head_len += 8;
-			iph = (struct iphdr *) (packet + head_len);
-			if (iph->frag_off != 0 && !(pkt_flags & RRS_IS_IP_DF))
-				goto hw_xsum;
-		}
-		if (!(err_flags & (RRS_ERR_IP_CSUM | RRS_ERR_L4_CSUM))) {
-			skb->ip_summed = CHECKSUM_UNNECESSARY;
-			return;
-		}
-	}
-
-hw_xsum :
-	return;
-}
-
-static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter,
-					       u8 que)
-{
-	struct atl1e_rx_page_desc *rx_page_desc =
-		(struct atl1e_rx_page_desc *) adapter->rx_ring.rx_page_desc;
-	u8 rx_using = rx_page_desc[que].rx_using;
-
-	return (struct atl1e_rx_page *)&(rx_page_desc[que].rx_page[rx_using]);
-}
-
-static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
-		   int *work_done, int work_to_do)
-{
-	struct net_device *netdev  = adapter->netdev;
-	struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *)
-					 &adapter->rx_ring;
-	struct atl1e_rx_page_desc *rx_page_desc =
-		(struct atl1e_rx_page_desc *) rx_ring->rx_page_desc;
-	struct sk_buff *skb = NULL;
-	struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter, que);
-	u32 packet_size, write_offset;
-	struct atl1e_recv_ret_status *prrs;
-
-	write_offset = *(rx_page->write_offset_addr);
-	if (likely(rx_page->read_offset < write_offset)) {
-		do {
-			if (*work_done >= work_to_do)
-				break;
-			(*work_done)++;
-			/* get new packet's  rrs */
-			prrs = (struct atl1e_recv_ret_status *) (rx_page->addr +
-						 rx_page->read_offset);
-			/* check sequence number */
-			if (prrs->seq_num != rx_page_desc[que].rx_nxseq) {
-				netdev_err(netdev,
-					   "rx sequence number error (rx=%d) (expect=%d)\n",
-					   prrs->seq_num,
-					   rx_page_desc[que].rx_nxseq);
-				rx_page_desc[que].rx_nxseq++;
-				/* just for debug use */
-				AT_WRITE_REG(&adapter->hw, REG_DEBUG_DATA0,
-					     (((u32)prrs->seq_num) << 16) |
-					     rx_page_desc[que].rx_nxseq);
-				goto fatal_err;
-			}
-			rx_page_desc[que].rx_nxseq++;
-
-			/* error packet */
-			if (prrs->pkt_flag & RRS_IS_ERR_FRAME) {
-				if (prrs->err_flag & (RRS_ERR_BAD_CRC |
-					RRS_ERR_DRIBBLE | RRS_ERR_CODE |
-					RRS_ERR_TRUNC)) {
-				/* hardware error, discard this packet*/
-					netdev_err(netdev,
-						   "rx packet desc error %x\n",
-						   *((u32 *)prrs + 1));
-					goto skip_pkt;
-				}
-			}
-
-			packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
-					RRS_PKT_SIZE_MASK) - 4; /* CRC */
-			skb = netdev_alloc_skb_ip_align(netdev, packet_size);
-			if (skb == NULL) {
-				netdev_warn(netdev,
-					    "Memory squeeze, deferring packet\n");
-				goto skip_pkt;
-			}
-			memcpy(skb->data, (u8 *)(prrs + 1), packet_size);
-			skb_put(skb, packet_size);
-			skb->protocol = eth_type_trans(skb, netdev);
-			atl1e_rx_checksum(adapter, skb, prrs);
-
-			if (prrs->pkt_flag & RRS_IS_VLAN_TAG) {
-				u16 vlan_tag = (prrs->vtag >> 4) |
-					       ((prrs->vtag & 7) << 13) |
-					       ((prrs->vtag & 8) << 9);
-				netdev_dbg(netdev,
-					   "RXD VLAN TAG<RRD>=0x%04x\n",
-					   prrs->vtag);
-				__vlan_hwaccel_put_tag(skb, vlan_tag);
-			}
-			netif_receive_skb(skb);
-
-skip_pkt:
-	/* skip current packet whether it's ok or not. */
-			rx_page->read_offset +=
-				(((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
-				RRS_PKT_SIZE_MASK) +
-				sizeof(struct atl1e_recv_ret_status) + 31) &
-						0xFFFFFFE0);
-
-			if (rx_page->read_offset >= rx_ring->page_size) {
-				/* mark this page clean */
-				u16 reg_addr;
-				u8  rx_using;
-
-				rx_page->read_offset =
-					*(rx_page->write_offset_addr) = 0;
-				rx_using = rx_page_desc[que].rx_using;
-				reg_addr =
-					atl1e_rx_page_vld_regs[que][rx_using];
-				AT_WRITE_REGB(&adapter->hw, reg_addr, 1);
-				rx_page_desc[que].rx_using ^= 1;
-				rx_page = atl1e_get_rx_page(adapter, que);
-			}
-			write_offset = *(rx_page->write_offset_addr);
-		} while (rx_page->read_offset < write_offset);
-	}
-
-	return;
-
-fatal_err:
-	if (!test_bit(__AT_DOWN, &adapter->flags))
-		schedule_work(&adapter->reset_task);
-}
-
-/*
- * atl1e_clean - NAPI Rx polling callback
- * @adapter: board private structure
- */
-static int atl1e_clean(struct napi_struct *napi, int budget)
-{
-	struct atl1e_adapter *adapter =
-			container_of(napi, struct atl1e_adapter, napi);
-	u32 imr_data;
-	int work_done = 0;
-
-	/* Keep link state information with original netdev */
-	if (!netif_carrier_ok(adapter->netdev))
-		goto quit_polling;
-
-	atl1e_clean_rx_irq(adapter, 0, &work_done, budget);
-
-	/* If no Tx and not enough Rx work done, exit the polling mode */
-	if (work_done < budget) {
-quit_polling:
-		napi_complete(napi);
-		imr_data = AT_READ_REG(&adapter->hw, REG_IMR);
-		AT_WRITE_REG(&adapter->hw, REG_IMR, imr_data | ISR_RX_EVENT);
-		/* test debug */
-		if (test_bit(__AT_DOWN, &adapter->flags)) {
-			atomic_dec(&adapter->irq_sem);
-			netdev_err(adapter->netdev,
-				   "atl1e_clean is called when AT_DOWN\n");
-		}
-		/* reenable RX intr */
-		/*atl1e_irq_enable(adapter); */
-
-	}
-	return work_done;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-
-/*
- * Polling 'interrupt' - used by things like netconsole to send skbs
- * without having to re-enable interrupts. It's not called while
- * the interrupt routine is executing.
- */
-static void atl1e_netpoll(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	disable_irq(adapter->pdev->irq);
-	atl1e_intr(adapter->pdev->irq, netdev);
-	enable_irq(adapter->pdev->irq);
-}
-#endif
-
-static inline u16 atl1e_tpd_avail(struct atl1e_adapter *adapter)
-{
-	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
-	u16 next_to_use = 0;
-	u16 next_to_clean = 0;
-
-	next_to_clean = atomic_read(&tx_ring->next_to_clean);
-	next_to_use   = tx_ring->next_to_use;
-
-	return (u16)(next_to_clean > next_to_use) ?
-		(next_to_clean - next_to_use - 1) :
-		(tx_ring->count + next_to_clean - next_to_use - 1);
-}
-
-/*
- * get next usable tpd
- * Note: should call atl1e_tdp_avail to make sure
- * there is enough tpd to use
- */
-static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter)
-{
-	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
-	u16 next_to_use = 0;
-
-	next_to_use = tx_ring->next_to_use;
-	if (++tx_ring->next_to_use == tx_ring->count)
-		tx_ring->next_to_use = 0;
-
-	memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc));
-	return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use];
-}
-
-static struct atl1e_tx_buffer *
-atl1e_get_tx_buffer(struct atl1e_adapter *adapter, struct atl1e_tpd_desc *tpd)
-{
-	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
-
-	return &tx_ring->tx_buffer[tpd - tx_ring->desc];
-}
-
-/* Calculate the transmit packet descript needed*/
-static u16 atl1e_cal_tdp_req(const struct sk_buff *skb)
-{
-	int i = 0;
-	u16 tpd_req = 1;
-	u16 fg_size = 0;
-	u16 proto_hdr_len = 0;
-
-	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
-		fg_size = skb_shinfo(skb)->frags[i].size;
-		tpd_req += ((fg_size + MAX_TX_BUF_LEN - 1) >> MAX_TX_BUF_SHIFT);
-	}
-
-	if (skb_is_gso(skb)) {
-		if (skb->protocol == htons(ETH_P_IP) ||
-		   (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)) {
-			proto_hdr_len = skb_transport_offset(skb) +
-					tcp_hdrlen(skb);
-			if (proto_hdr_len < skb_headlen(skb)) {
-				tpd_req += ((skb_headlen(skb) - proto_hdr_len +
-					   MAX_TX_BUF_LEN - 1) >>
-					   MAX_TX_BUF_SHIFT);
-			}
-		}
-
-	}
-	return tpd_req;
-}
-
-static int atl1e_tso_csum(struct atl1e_adapter *adapter,
-		       struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
-{
-	u8 hdr_len;
-	u32 real_len;
-	unsigned short offload_type;
-	int err;
-
-	if (skb_is_gso(skb)) {
-		if (skb_header_cloned(skb)) {
-			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-			if (unlikely(err))
-				return -1;
-		}
-		offload_type = skb_shinfo(skb)->gso_type;
-
-		if (offload_type & SKB_GSO_TCPV4) {
-			real_len = (((unsigned char *)ip_hdr(skb) - skb->data)
-					+ ntohs(ip_hdr(skb)->tot_len));
-
-			if (real_len < skb->len)
-				pskb_trim(skb, real_len);
-
-			hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb));
-			if (unlikely(skb->len == hdr_len)) {
-				/* only xsum need */
-				netdev_warn(adapter->netdev,
-					    "IPV4 tso with zero data??\n");
-				goto check_sum;
-			} else {
-				ip_hdr(skb)->check = 0;
-				ip_hdr(skb)->tot_len = 0;
-				tcp_hdr(skb)->check = ~csum_tcpudp_magic(
-							ip_hdr(skb)->saddr,
-							ip_hdr(skb)->daddr,
-							0, IPPROTO_TCP, 0);
-				tpd->word3 |= (ip_hdr(skb)->ihl &
-					TDP_V4_IPHL_MASK) <<
-					TPD_V4_IPHL_SHIFT;
-				tpd->word3 |= ((tcp_hdrlen(skb) >> 2) &
-					TPD_TCPHDRLEN_MASK) <<
-					TPD_TCPHDRLEN_SHIFT;
-				tpd->word3 |= ((skb_shinfo(skb)->gso_size) &
-					TPD_MSS_MASK) << TPD_MSS_SHIFT;
-				tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT;
-			}
-			return 0;
-		}
-	}
-
-check_sum:
-	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
-		u8 css, cso;
-
-		cso = skb_checksum_start_offset(skb);
-		if (unlikely(cso & 0x1)) {
-			netdev_err(adapter->netdev,
-				   "payload offset should not ant event number\n");
-			return -1;
-		} else {
-			css = cso + skb->csum_offset;
-			tpd->word3 |= (cso & TPD_PLOADOFFSET_MASK) <<
-					TPD_PLOADOFFSET_SHIFT;
-			tpd->word3 |= (css & TPD_CCSUMOFFSET_MASK) <<
-					TPD_CCSUMOFFSET_SHIFT;
-			tpd->word3 |= 1 << TPD_CC_SEGMENT_EN_SHIFT;
-		}
-	}
-
-	return 0;
-}
-
-static void atl1e_tx_map(struct atl1e_adapter *adapter,
-		      struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
-{
-	struct atl1e_tpd_desc *use_tpd = NULL;
-	struct atl1e_tx_buffer *tx_buffer = NULL;
-	u16 buf_len = skb_headlen(skb);
-	u16 map_len = 0;
-	u16 mapped_len = 0;
-	u16 hdr_len = 0;
-	u16 nr_frags;
-	u16 f;
-	int segment;
-
-	nr_frags = skb_shinfo(skb)->nr_frags;
-	segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK;
-	if (segment) {
-		/* TSO */
-		map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-		use_tpd = tpd;
-
-		tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd);
-		tx_buffer->length = map_len;
-		tx_buffer->dma = pci_map_single(adapter->pdev,
-					skb->data, hdr_len, PCI_DMA_TODEVICE);
-		ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
-		mapped_len += map_len;
-		use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
-		use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |
-			((cpu_to_le32(tx_buffer->length) &
-			TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT);
-	}
-
-	while (mapped_len < buf_len) {
-		/* mapped_len == 0, means we should use the first tpd,
-		   which is given by caller  */
-		if (mapped_len == 0) {
-			use_tpd = tpd;
-		} else {
-			use_tpd = atl1e_get_tpd(adapter);
-			memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc));
-		}
-		tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd);
-		tx_buffer->skb = NULL;
-
-		tx_buffer->length = map_len =
-			((buf_len - mapped_len) >= MAX_TX_BUF_LEN) ?
-			MAX_TX_BUF_LEN : (buf_len - mapped_len);
-		tx_buffer->dma =
-			pci_map_single(adapter->pdev, skb->data + mapped_len,
-					map_len, PCI_DMA_TODEVICE);
-		ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
-		mapped_len  += map_len;
-		use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
-		use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |
-			((cpu_to_le32(tx_buffer->length) &
-			TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT);
-	}
-
-	for (f = 0; f < nr_frags; f++) {
-		struct skb_frag_struct *frag;
-		u16 i;
-		u16 seg_num;
-
-		frag = &skb_shinfo(skb)->frags[f];
-		buf_len = frag->size;
-
-		seg_num = (buf_len + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN;
-		for (i = 0; i < seg_num; i++) {
-			use_tpd = atl1e_get_tpd(adapter);
-			memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc));
-
-			tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd);
-			BUG_ON(tx_buffer->skb);
-
-			tx_buffer->skb = NULL;
-			tx_buffer->length =
-				(buf_len > MAX_TX_BUF_LEN) ?
-				MAX_TX_BUF_LEN : buf_len;
-			buf_len -= tx_buffer->length;
-
-			tx_buffer->dma =
-				pci_map_page(adapter->pdev, frag->page,
-						frag->page_offset +
-						(i * MAX_TX_BUF_LEN),
-						tx_buffer->length,
-						PCI_DMA_TODEVICE);
-			ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE);
-			use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
-			use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |
-					((cpu_to_le32(tx_buffer->length) &
-					TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT);
-		}
-	}
-
-	if ((tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK)
-		/* note this one is a tcp header */
-		tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT;
-	/* The last tpd */
-
-	use_tpd->word3 |= 1 << TPD_EOP_SHIFT;
-	/* The last buffer info contain the skb address,
-	   so it will be free after unmap */
-	tx_buffer->skb = skb;
-}
-
-static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count,
-			   struct atl1e_tpd_desc *tpd)
-{
-	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
-	/* 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();
-	AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use);
-}
-
-static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb,
-					  struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	unsigned long flags;
-	u16 tpd_req = 1;
-	struct atl1e_tpd_desc *tpd;
-
-	if (test_bit(__AT_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;
-	}
-	tpd_req = atl1e_cal_tdp_req(skb);
-	if (!spin_trylock_irqsave(&adapter->tx_lock, flags))
-		return NETDEV_TX_LOCKED;
-
-	if (atl1e_tpd_avail(adapter) < tpd_req) {
-		/* no enough descriptor, just stop queue */
-		netif_stop_queue(netdev);
-		spin_unlock_irqrestore(&adapter->tx_lock, flags);
-		return NETDEV_TX_BUSY;
-	}
-
-	tpd = atl1e_get_tpd(adapter);
-
-	if (vlan_tx_tag_present(skb)) {
-		u16 vlan_tag = vlan_tx_tag_get(skb);
-		u16 atl1e_vlan_tag;
-
-		tpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT;
-		AT_VLAN_TAG_TO_TPD_TAG(vlan_tag, atl1e_vlan_tag);
-		tpd->word2 |= (atl1e_vlan_tag & TPD_VLANTAG_MASK) <<
-				TPD_VLAN_SHIFT;
-	}
-
-	if (skb->protocol == htons(ETH_P_8021Q))
-		tpd->word3 |= 1 << TPD_VL_TAGGED_SHIFT;
-
-	if (skb_network_offset(skb) != ETH_HLEN)
-		tpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; /* 802.3 frame */
-
-	/* do TSO and check sum */
-	if (atl1e_tso_csum(adapter, skb, tpd) != 0) {
-		spin_unlock_irqrestore(&adapter->tx_lock, flags);
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
-
-	atl1e_tx_map(adapter, skb, tpd);
-	atl1e_tx_queue(adapter, tpd_req, tpd);
-
-	netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
-	spin_unlock_irqrestore(&adapter->tx_lock, flags);
-	return NETDEV_TX_OK;
-}
-
-static void atl1e_free_irq(struct atl1e_adapter *adapter)
-{
-	struct net_device *netdev = adapter->netdev;
-
-	free_irq(adapter->pdev->irq, netdev);
-
-	if (adapter->have_msi)
-		pci_disable_msi(adapter->pdev);
-}
-
-static int atl1e_request_irq(struct atl1e_adapter *adapter)
-{
-	struct pci_dev    *pdev   = adapter->pdev;
-	struct net_device *netdev = adapter->netdev;
-	int flags = 0;
-	int err = 0;
-
-	adapter->have_msi = true;
-	err = pci_enable_msi(adapter->pdev);
-	if (err) {
-		netdev_dbg(adapter->netdev,
-			   "Unable to allocate MSI interrupt Error: %d\n", err);
-		adapter->have_msi = false;
-	} else
-		netdev->irq = pdev->irq;
-
-
-	if (!adapter->have_msi)
-		flags |= IRQF_SHARED;
-	err = request_irq(adapter->pdev->irq, atl1e_intr, flags,
-			netdev->name, netdev);
-	if (err) {
-		netdev_dbg(adapter->netdev,
-			   "Unable to allocate interrupt Error: %d\n", err);
-		if (adapter->have_msi)
-			pci_disable_msi(adapter->pdev);
-		return err;
-	}
-	netdev_dbg(adapter->netdev, "atl1e_request_irq OK\n");
-	return err;
-}
-
-int atl1e_up(struct atl1e_adapter *adapter)
-{
-	struct net_device *netdev = adapter->netdev;
-	int err = 0;
-	u32 val;
-
-	/* hardware has been reset, we need to reload some things */
-	err = atl1e_init_hw(&adapter->hw);
-	if (err) {
-		err = -EIO;
-		return err;
-	}
-	atl1e_init_ring_ptrs(adapter);
-	atl1e_set_multi(netdev);
-	atl1e_restore_vlan(adapter);
-
-	if (atl1e_configure(adapter)) {
-		err = -EIO;
-		goto err_up;
-	}
-
-	clear_bit(__AT_DOWN, &adapter->flags);
-	napi_enable(&adapter->napi);
-	atl1e_irq_enable(adapter);
-	val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL);
-	AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL,
-		      val | MASTER_CTRL_MANUAL_INT);
-
-err_up:
-	return err;
-}
-
-void atl1e_down(struct atl1e_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(__AT_DOWN, &adapter->flags);
-
-	netif_stop_queue(netdev);
-
-	/* reset MAC to disable all RX/TX */
-	atl1e_reset_hw(&adapter->hw);
-	msleep(1);
-
-	napi_disable(&adapter->napi);
-	atl1e_del_timer(adapter);
-	atl1e_irq_disable(adapter);
-
-	netif_carrier_off(netdev);
-	adapter->link_speed = SPEED_0;
-	adapter->link_duplex = -1;
-	atl1e_clean_tx_ring(adapter);
-	atl1e_clean_rx_ring(adapter);
-}
-
-/*
- * atl1e_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 atl1e_open(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	int err;
-
-	/* disallow open during test */
-	if (test_bit(__AT_TESTING, &adapter->flags))
-		return -EBUSY;
-
-	/* allocate rx/tx dma buffer & descriptors */
-	atl1e_init_ring_resources(adapter);
-	err = atl1e_setup_ring_resources(adapter);
-	if (unlikely(err))
-		return err;
-
-	err = atl1e_request_irq(adapter);
-	if (unlikely(err))
-		goto err_req_irq;
-
-	err = atl1e_up(adapter);
-	if (unlikely(err))
-		goto err_up;
-
-	return 0;
-
-err_up:
-	atl1e_free_irq(adapter);
-err_req_irq:
-	atl1e_free_ring_resources(adapter);
-	atl1e_reset_hw(&adapter->hw);
-
-	return err;
-}
-
-/*
- * atl1e_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 atl1e_close(struct net_device *netdev)
-{
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	WARN_ON(test_bit(__AT_RESETTING, &adapter->flags));
-	atl1e_down(adapter);
-	atl1e_free_irq(adapter);
-	atl1e_free_ring_resources(adapter);
-
-	return 0;
-}
-
-static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-	struct atl1e_hw *hw = &adapter->hw;
-	u32 ctrl = 0;
-	u32 mac_ctrl_data = 0;
-	u32 wol_ctrl_data = 0;
-	u16 mii_advertise_data = 0;
-	u16 mii_bmsr_data = 0;
-	u16 mii_intr_status_data = 0;
-	u32 wufc = adapter->wol;
-	u32 i;
-#ifdef CONFIG_PM
-	int retval = 0;
-#endif
-
-	if (netif_running(netdev)) {
-		WARN_ON(test_bit(__AT_RESETTING, &adapter->flags));
-		atl1e_down(adapter);
-	}
-	netif_device_detach(netdev);
-
-#ifdef CONFIG_PM
-	retval = pci_save_state(pdev);
-	if (retval)
-		return retval;
-#endif
-
-	if (wufc) {
-		/* get link status */
-		atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data);
-		atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data);
-
-		mii_advertise_data = ADVERTISE_10HALF;
-
-		if ((atl1e_write_phy_reg(hw, MII_CTRL1000, 0) != 0) ||
-		    (atl1e_write_phy_reg(hw,
-			   MII_ADVERTISE, mii_advertise_data) != 0) ||
-		    (atl1e_phy_commit(hw)) != 0) {
-			netdev_dbg(adapter->netdev, "set phy register failed\n");
-			goto wol_dis;
-		}
-
-		hw->phy_configured = false; /* re-init PHY when resume */
-
-		/* turn on magic packet wol */
-		if (wufc & AT_WUFC_MAG)
-			wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN;
-
-		if (wufc & AT_WUFC_LNKC) {
-		/* if orignal link status is link, just wait for retrive link */
-			if (mii_bmsr_data & BMSR_LSTATUS) {
-				for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) {
-					msleep(100);
-					atl1e_read_phy_reg(hw, MII_BMSR,
-							(u16 *)&mii_bmsr_data);
-					if (mii_bmsr_data & BMSR_LSTATUS)
-						break;
-				}
-
-				if ((mii_bmsr_data & BMSR_LSTATUS) == 0)
-					netdev_dbg(adapter->netdev,
-						   "Link may change when suspend\n");
-			}
-			wol_ctrl_data |=  WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN;
-			/* only link up can wake up */
-			if (atl1e_write_phy_reg(hw, MII_INT_CTRL, 0x400) != 0) {
-				netdev_dbg(adapter->netdev,
-					   "read write phy register failed\n");
-				goto wol_dis;
-			}
-		}
-		/* clear phy interrupt */
-		atl1e_read_phy_reg(hw, MII_INT_STATUS, &mii_intr_status_data);
-		/* Config MAC Ctrl register */
-		mac_ctrl_data = MAC_CTRL_RX_EN;
-		/* set to 10/100M halt duplex */
-		mac_ctrl_data |= MAC_CTRL_SPEED_10_100 << MAC_CTRL_SPEED_SHIFT;
-		mac_ctrl_data |= (((u32)adapter->hw.preamble_len &
-				 MAC_CTRL_PRMLEN_MASK) <<
-				 MAC_CTRL_PRMLEN_SHIFT);
-
-		__atl1e_vlan_mode(netdev->features, &mac_ctrl_data);
-
-		/* magic packet maybe Broadcast&multicast&Unicast frame */
-		if (wufc & AT_WUFC_MAG)
-			mac_ctrl_data |= MAC_CTRL_BC_EN;
-
-		netdev_dbg(adapter->netdev, "suspend MAC=0x%x\n",
-			   mac_ctrl_data);
-
-		AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data);
-		AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data);
-		/* pcie patch */
-		ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC);
-		ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
-		AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl);
-		pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
-		goto suspend_exit;
-	}
-wol_dis:
-
-	/* WOL disabled */
-	AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
-
-	/* pcie patch */
-	ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC);
-	ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
-	AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl);
-
-	atl1e_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))
-		atl1e_free_irq(adapter);
-
-	pci_disable_device(pdev);
-
-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int atl1e_resume(struct pci_dev *pdev)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_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) {
-		netdev_err(adapter->netdev,
-			   "Cannot enable PCI device from suspend\n");
-		return err;
-	}
-
-	pci_set_master(pdev);
-
-	AT_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */
-
-	pci_enable_wake(pdev, PCI_D3hot, 0);
-	pci_enable_wake(pdev, PCI_D3cold, 0);
-
-	AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0);
-
-	if (netif_running(netdev)) {
-		err = atl1e_request_irq(adapter);
-		if (err)
-			return err;
-	}
-
-	atl1e_reset_hw(&adapter->hw);
-
-	if (netif_running(netdev))
-		atl1e_up(adapter);
-
-	netif_device_attach(netdev);
-
-	return 0;
-}
-#endif
-
-static void atl1e_shutdown(struct pci_dev *pdev)
-{
-	atl1e_suspend(pdev, PMSG_SUSPEND);
-}
-
-static const struct net_device_ops atl1e_netdev_ops = {
-	.ndo_open		= atl1e_open,
-	.ndo_stop		= atl1e_close,
-	.ndo_start_xmit		= atl1e_xmit_frame,
-	.ndo_get_stats		= atl1e_get_stats,
-	.ndo_set_multicast_list	= atl1e_set_multi,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= atl1e_set_mac_addr,
-	.ndo_fix_features	= atl1e_fix_features,
-	.ndo_set_features	= atl1e_set_features,
-	.ndo_change_mtu		= atl1e_change_mtu,
-	.ndo_do_ioctl		= atl1e_ioctl,
-	.ndo_tx_timeout		= atl1e_tx_timeout,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	.ndo_poll_controller	= atl1e_netpoll,
-#endif
-
-};
-
-static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
-{
-	SET_NETDEV_DEV(netdev, &pdev->dev);
-	pci_set_drvdata(pdev, netdev);
-
-	netdev->irq  = pdev->irq;
-	netdev->netdev_ops = &atl1e_netdev_ops;
-
-	netdev->watchdog_timeo = AT_TX_WATCHDOG;
-	atl1e_set_ethtool_ops(netdev);
-
-	netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO |
-			      NETIF_F_HW_VLAN_RX;
-	netdev->features = netdev->hw_features | NETIF_F_LLTX |
-			   NETIF_F_HW_VLAN_TX;
-
-	return 0;
-}
-
-/*
- * atl1e_probe - Device Initialization Routine
- * @pdev: PCI device information struct
- * @ent: entry in atl1e_pci_tbl
- *
- * Returns 0 on success, negative on failure
- *
- * atl1e_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 atl1e_probe(struct pci_dev *pdev,
-				 const struct pci_device_id *ent)
-{
-	struct net_device *netdev;
-	struct atl1e_adapter *adapter = NULL;
-	static int cards_found;
-
-	int err = 0;
-
-	err = pci_enable_device(pdev);
-	if (err) {
-		dev_err(&pdev->dev, "cannot enable PCI device\n");
-		return err;
-	}
-
-	/*
-	 * The atl1e 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.
-	 */
-	if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
-	    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
-		dev_err(&pdev->dev, "No usable DMA configuration,aborting\n");
-		goto err_dma;
-	}
-
-	err = pci_request_regions(pdev, atl1e_driver_name);
-	if (err) {
-		dev_err(&pdev->dev, "cannot obtain PCI resources\n");
-		goto err_pci_reg;
-	}
-
-	pci_set_master(pdev);
-
-	netdev = alloc_etherdev(sizeof(struct atl1e_adapter));
-	if (netdev == NULL) {
-		err = -ENOMEM;
-		dev_err(&pdev->dev, "etherdev alloc failed\n");
-		goto err_alloc_etherdev;
-	}
-
-	err = atl1e_init_netdev(netdev, pdev);
-	if (err) {
-		netdev_err(netdev, "init netdevice failed\n");
-		goto err_init_netdev;
-	}
-	adapter = netdev_priv(netdev);
-	adapter->bd_number = cards_found;
-	adapter->netdev = netdev;
-	adapter->pdev = pdev;
-	adapter->hw.adapter = adapter;
-	adapter->hw.hw_addr = pci_iomap(pdev, BAR_0, 0);
-	if (!adapter->hw.hw_addr) {
-		err = -EIO;
-		netdev_err(netdev, "cannot map device registers\n");
-		goto err_ioremap;
-	}
-	netdev->base_addr = (unsigned long)adapter->hw.hw_addr;
-
-	/* init mii data */
-	adapter->mii.dev = netdev;
-	adapter->mii.mdio_read  = atl1e_mdio_read;
-	adapter->mii.mdio_write = atl1e_mdio_write;
-	adapter->mii.phy_id_mask = 0x1f;
-	adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK;
-
-	netif_napi_add(netdev, &adapter->napi, atl1e_clean, 64);
-
-	init_timer(&adapter->phy_config_timer);
-	adapter->phy_config_timer.function = atl1e_phy_config;
-	adapter->phy_config_timer.data = (unsigned long) adapter;
-
-	/* get user settings */
-	atl1e_check_options(adapter);
-	/*
-	 * Mark all PCI regions associated with PCI device
-	 * pdev as being reserved by owner atl1e_driver_name
-	 * Enables bus-mastering on the device and calls
-	 * pcibios_set_master to do the needed arch specific settings
-	 */
-	atl1e_setup_pcicmd(pdev);
-	/* setup the private structure */
-	err = atl1e_sw_init(adapter);
-	if (err) {
-		netdev_err(netdev, "net device private data init failed\n");
-		goto err_sw_init;
-	}
-
-	/* Init GPHY as early as possible due to power saving issue  */
-	atl1e_phy_init(&adapter->hw);
-	/* reset the controller to
-	 * put the device in a known good starting state */
-	err = atl1e_reset_hw(&adapter->hw);
-	if (err) {
-		err = -EIO;
-		goto err_reset;
-	}
-
-	if (atl1e_read_mac_addr(&adapter->hw) != 0) {
-		err = -EIO;
-		netdev_err(netdev, "get mac address failed\n");
-		goto err_eeprom;
-	}
-
-	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
-	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
-	netdev_dbg(netdev, "mac address : %pM\n", adapter->hw.mac_addr);
-
-	INIT_WORK(&adapter->reset_task, atl1e_reset_task);
-	INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
-	err = register_netdev(netdev);
-	if (err) {
-		netdev_err(netdev, "register netdevice failed\n");
-		goto err_register;
-	}
-
-	/* assume we have no link for now */
-	netif_stop_queue(netdev);
-	netif_carrier_off(netdev);
-
-	cards_found++;
-
-	return 0;
-
-err_reset:
-err_register:
-err_sw_init:
-err_eeprom:
-	iounmap(adapter->hw.hw_addr);
-err_init_netdev:
-err_ioremap:
-	free_netdev(netdev);
-err_alloc_etherdev:
-	pci_release_regions(pdev);
-err_pci_reg:
-err_dma:
-	pci_disable_device(pdev);
-	return err;
-}
-
-/*
- * atl1e_remove - Device Removal Routine
- * @pdev: PCI device information struct
- *
- * atl1e_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 atl1e_remove(struct pci_dev *pdev)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	/*
-	 * flush_scheduled work may reschedule our watchdog task, so
-	 * explicitly disable watchdog tasks from being rescheduled
-	 */
-	set_bit(__AT_DOWN, &adapter->flags);
-
-	atl1e_del_timer(adapter);
-	atl1e_cancel_work(adapter);
-
-	unregister_netdev(netdev);
-	atl1e_free_ring_resources(adapter);
-	atl1e_force_ps(&adapter->hw);
-	iounmap(adapter->hw.hw_addr);
-	pci_release_regions(pdev);
-	free_netdev(netdev);
-	pci_disable_device(pdev);
-}
-
-/*
- * atl1e_io_error_detected - called when PCI error is detected
- * @pdev: Pointer to PCI device
- * @state: The current pci connection state
- *
- * This function is called after a PCI bus error affecting
- * this device has been detected.
- */
-static pci_ers_result_t
-atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	netif_device_detach(netdev);
-
-	if (state == pci_channel_io_perm_failure)
-		return PCI_ERS_RESULT_DISCONNECT;
-
-	if (netif_running(netdev))
-		atl1e_down(adapter);
-
-	pci_disable_device(pdev);
-
-	/* Request a slot slot reset. */
-	return PCI_ERS_RESULT_NEED_RESET;
-}
-
-/*
- * atl1e_io_slot_reset - called after the pci bus has been reset.
- * @pdev: Pointer to PCI device
- *
- * Restart the card from scratch, as if from a cold-boot. Implementation
- * resembles the first-half of the e1000_resume routine.
- */
-static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	if (pci_enable_device(pdev)) {
-		netdev_err(adapter->netdev,
-			   "Cannot re-enable PCI device after reset\n");
-		return PCI_ERS_RESULT_DISCONNECT;
-	}
-	pci_set_master(pdev);
-
-	pci_enable_wake(pdev, PCI_D3hot, 0);
-	pci_enable_wake(pdev, PCI_D3cold, 0);
-
-	atl1e_reset_hw(&adapter->hw);
-
-	return PCI_ERS_RESULT_RECOVERED;
-}
-
-/*
- * atl1e_io_resume - called when traffic can start flowing again.
- * @pdev: Pointer to PCI device
- *
- * This callback is called when the error recovery driver tells us that
- * its OK to resume normal operation. Implementation resembles the
- * second-half of the atl1e_resume routine.
- */
-static void atl1e_io_resume(struct pci_dev *pdev)
-{
-	struct net_device *netdev = pci_get_drvdata(pdev);
-	struct atl1e_adapter *adapter = netdev_priv(netdev);
-
-	if (netif_running(netdev)) {
-		if (atl1e_up(adapter)) {
-			netdev_err(adapter->netdev,
-				   "can't bring device back up after reset\n");
-			return;
-		}
-	}
-
-	netif_device_attach(netdev);
-}
-
-static struct pci_error_handlers atl1e_err_handler = {
-	.error_detected = atl1e_io_error_detected,
-	.slot_reset = atl1e_io_slot_reset,
-	.resume = atl1e_io_resume,
-};
-
-static struct pci_driver atl1e_driver = {
-	.name     = atl1e_driver_name,
-	.id_table = atl1e_pci_tbl,
-	.probe    = atl1e_probe,
-	.remove   = __devexit_p(atl1e_remove),
-	/* Power Management Hooks */
-#ifdef CONFIG_PM
-	.suspend  = atl1e_suspend,
-	.resume   = atl1e_resume,
-#endif
-	.shutdown = atl1e_shutdown,
-	.err_handler = &atl1e_err_handler
-};
-
-/*
- * atl1e_init_module - Driver Registration Routine
- *
- * atl1e_init_module is the first routine called when the driver is
- * loaded. All it does is register with the PCI subsystem.
- */
-static int __init atl1e_init_module(void)
-{
-	return pci_register_driver(&atl1e_driver);
-}
-
-/*
- * atl1e_exit_module - Driver Exit Cleanup Routine
- *
- * atl1e_exit_module is called just before the driver is removed
- * from memory.
- */
-static void __exit atl1e_exit_module(void)
-{
-	pci_unregister_driver(&atl1e_driver);
-}
-
-module_init(atl1e_init_module);
-module_exit(atl1e_exit_module);