atl1e: Atheros L1E Gigabit Ethernet driver

Full patch for the Atheros L1E Gigabit Ethernet driver.
Supportring AR8121, AR8113 and AR8114

Signed-off-by: Jie Yang <jie.yang @atheros.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

7 files changed, 5229 insertions, 0 deletions

diff --git a/drivers/net/atl1e/Makefile b/drivers/net/atl1e/Makefile
new file mode 100644
index 000000000000..bc11be824e76
--- /dev/null
+++ b/drivers/net/atl1e/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_ATL1E)     += atl1e.o
+atl1e-objs              += atl1e_main.o atl1e_hw.o atl1e_ethtool.o atl1e_param.o
diff --git a/drivers/net/atl1e/atl1e.h b/drivers/net/atl1e/atl1e.h
new file mode 100644
index 000000000000..b645fa0f3f64
--- /dev/null
+++ b/drivers/net/atl1e/atl1e.h
@@ -0,0 +1,503 @@
+/*
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ * Copyright(c) 2007 xiong huang <xiong.huang@atheros.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 _ATL1E_H_
+#define _ATL1E_H_
+
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/udp.h>
+#include <linux/mii.h>
+#include <linux/io.h>
+#include <linux/vmalloc.h>
+#include <linux/pagemap.h>
+#include <linux/tcp.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <net/checksum.h>
+#include <net/ip6_checksum.h>
+
+#include "atl1e_hw.h"
+
+#define PCI_REG_COMMAND  0x04    /* PCI Command Register */
+#define CMD_IO_SPACE     0x0001
+#define CMD_MEMORY_SPACE 0x0002
+#define CMD_BUS_MASTER   0x0004
+
+#define BAR_0   0
+#define BAR_1   1
+#define BAR_5   5
+
+/* Wake Up Filter Control */
+#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
+#define AT_WUFC_MAG  0x00000002 /* Magic Packet Wakeup Enable */
+#define AT_WUFC_EX   0x00000004 /* Directed Exact Wakeup Enable */
+#define AT_WUFC_MC   0x00000008 /* Multicast Wakeup Enable */
+#define AT_WUFC_BC   0x00000010 /* Broadcast Wakeup Enable */
+
+#define SPEED_0            0xffff
+#define HALF_DUPLEX        1
+#define FULL_DUPLEX        2
+
+/* Error Codes */
+#define AT_ERR_EEPROM      1
+#define AT_ERR_PHY         2
+#define AT_ERR_CONFIG      3
+#define AT_ERR_PARAM       4
+#define AT_ERR_MAC_TYPE    5
+#define AT_ERR_PHY_TYPE    6
+#define AT_ERR_PHY_SPEED   7
+#define AT_ERR_PHY_RES     8
+#define AT_ERR_TIMEOUT     9
+
+#define MAX_JUMBO_FRAME_SIZE 0x2000
+
+#define AT_VLAN_TAG_TO_TPD_TAG(_vlan, _tpd)    \
+        _tpd = (((_vlan) << (4)) | (((_vlan) >> 13) & 7) |\
+                 (((_vlan) >> 9) & 8))
+
+#define AT_TPD_TAG_TO_VLAN_TAG(_tpd, _vlan)    \
+        _vlan = (((_tpd) >> 8) | (((_tpd) & 0x77) << 9) |\
+                   (((_tdp) & 0x88) << 5))
+
+#define AT_MAX_RECEIVE_QUEUE    4
+#define AT_PAGE_NUM_PER_QUEUE   2
+
+#define AT_DMA_HI_ADDR_MASK     0xffffffff00000000ULL
+#define AT_DMA_LO_ADDR_MASK     0x00000000ffffffffULL
+
+#define AT_TX_WATCHDOG  (5 * HZ)
+#define AT_MAX_INT_WORK         10
+#define AT_TWSI_EEPROM_TIMEOUT  100
+#define AT_HW_MAX_IDLE_DELAY    10
+#define AT_SUSPEND_LINK_TIMEOUT 28
+
+#define AT_REGS_LEN     75
+#define AT_EEPROM_LEN   512
+#define AT_ADV_MASK     (ADVERTISE_10_HALF  |\
+                         ADVERTISE_10_FULL  |\
+                         ADVERTISE_100_HALF |\
+                         ADVERTISE_100_FULL |\
+                         ADVERTISE_1000_FULL)
+
+/* 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_VLAN_SHIFT          16
+
+/* tpd word 3 bits 0:4 */
+#define TPD_EOP_MASK            0x0001
+#define TPD_EOP_SHIFT           0
+#define TPD_IP_VERSION_MASK     0x0001
+#define TPD_IP_VERSION_SHIFT    1       /* 0 : IPV4, 1 : IPV6 */
+#define TPD_INS_VL_TAG_MASK     0x0001
+#define TPD_INS_VL_TAG_SHIFT    2
+#define TPD_CC_SEGMENT_EN_MASK  0x0001
+#define TPD_CC_SEGMENT_EN_SHIFT 3
+#define TPD_SEGMENT_EN_MASK     0x0001
+#define TPD_SEGMENT_EN_SHIFT    4
+
+/* tdp word 3 bits 5:7 if ip version is 0 */
+#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
+
+/* tdp word 3 bits 5:7 if ip version is 1 */
+#define TPD_V6_IPHLLO_MASK      0x0007
+#define TPD_V6_IPHLLO_SHIFT     7
+
+/* tpd word 3 bits 8:9 bit */
+#define TPD_VL_TAGGED_MASK      0x0001
+#define TPD_VL_TAGGED_SHIFT     8
+#define TPD_ETHTYPE_MASK        0x0001
+#define TPD_ETHTYPE_SHIFT       9
+
+/* tdp word 3 bits 10:13 if ip version is 0 */
+#define TDP_V4_IPHL_MASK        0x000F
+#define TPD_V4_IPHL_SHIFT       10
+
+/* tdp word 3 bits 10:13 if ip version is 1 */
+#define TPD_V6_IPHLHI_MASK      0x000F
+#define TPD_V6_IPHLHI_SHIFT     10
+
+/* tpd word 3 bit 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
+
+/* tdp word 3 bit 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 atl1e_tpd_desc {
+        __le64 buffer_addr;
+        __le32 word2;
+        __le32 word3;
+};
+
+/* how about 0x2000 */
+#define MAX_TX_BUF_LEN      0x2000
+#define MAX_TX_BUF_SHIFT    13
+/*#define MAX_TX_BUF_LEN  0x3000 */
+
+/* rrs word 1 bit 0:31 */
+#define RRS_RX_CSUM_MASK        0xFFFF
+#define RRS_RX_CSUM_SHIFT       0
+#define RRS_PKT_SIZE_MASK       0x3FFF
+#define RRS_PKT_SIZE_SHIFT      16
+#define RRS_CPU_NUM_MASK        0x0003
+#define RRS_CPU_NUM_SHIFT       30
+
+#define RRS_IS_RSS_IPV4         0x0001
+#define RRS_IS_RSS_IPV4_TCP     0x0002
+#define RRS_IS_RSS_IPV6         0x0004
+#define RRS_IS_RSS_IPV6_TCP     0x0008
+#define RRS_IS_IPV6             0x0010
+#define RRS_IS_IP_FRAG          0x0020
+#define RRS_IS_IP_DF            0x0040
+#define RRS_IS_802_3            0x0080
+#define RRS_IS_VLAN_TAG         0x0100
+#define RRS_IS_ERR_FRAME        0x0200
+#define RRS_IS_IPV4             0x0400
+#define RRS_IS_UDP              0x0800
+#define RRS_IS_TCP              0x1000
+#define RRS_IS_BCAST            0x2000
+#define RRS_IS_MCAST            0x4000
+#define RRS_IS_PAUSE            0x8000
+
+#define RRS_ERR_BAD_CRC         0x0001
+#define RRS_ERR_CODE            0x0002
+#define RRS_ERR_DRIBBLE         0x0004
+#define RRS_ERR_RUNT            0x0008
+#define RRS_ERR_RX_OVERFLOW     0x0010
+#define RRS_ERR_TRUNC           0x0020
+#define RRS_ERR_IP_CSUM         0x0040
+#define RRS_ERR_L4_CSUM         0x0080
+#define RRS_ERR_LENGTH          0x0100
+#define RRS_ERR_DES_ADDR        0x0200
+
+struct atl1e_recv_ret_status {
+        u16 seq_num;
+        u16 hash_lo;
+        __le32  word1;
+        u16 pkt_flag;
+        u16 err_flag;
+        u16 hash_hi;
+        u16 vtag;
+};
+
+enum atl1e_dma_req_block {
+        atl1e_dma_req_128 = 0,
+        atl1e_dma_req_256 = 1,
+        atl1e_dma_req_512 = 2,
+        atl1e_dma_req_1024 = 3,
+        atl1e_dma_req_2048 = 4,
+        atl1e_dma_req_4096 = 5
+};
+
+enum atl1e_rrs_type {
+        atl1e_rrs_disable = 0,
+        atl1e_rrs_ipv4 = 1,
+        atl1e_rrs_ipv4_tcp = 2,
+        atl1e_rrs_ipv6 = 4,
+        atl1e_rrs_ipv6_tcp = 8
+};
+
+enum atl1e_nic_type {
+        athr_l1e = 0,
+        athr_l2e_revA = 1,
+        athr_l2e_revB = 2
+};
+
+struct atl1e_hw_stats {
+        /* rx */
+        unsigned long rx_ok;          /* The number of good packet received. */
+        unsigned long rx_bcast;       /* The number of good broadcast packet received. */
+        unsigned long rx_mcast;       /* The number of good multicast packet received. */
+        unsigned long rx_pause;       /* The number of Pause packet received. */
+        unsigned long rx_ctrl;        /* The number of Control packet received other than Pause frame. */
+        unsigned long rx_fcs_err;     /* The number of packets with bad FCS. */
+        unsigned long rx_len_err;     /* The number of packets with mismatch of length field and actual size. */
+        unsigned long rx_byte_cnt;    /* The number of bytes of good packet received. FCS is NOT included. */
+        unsigned long rx_runt;        /* The number of packets received that are less than 64 byte long and with good FCS. */
+        unsigned long rx_frag;        /* The number of packets received that are less than 64 byte long and with bad FCS. */
+        unsigned long rx_sz_64;       /* The number of good and bad packets received that are 64 byte long. */
+        unsigned long rx_sz_65_127;   /* The number of good and bad packets received that are between 65 and 127-byte long. */
+        unsigned long rx_sz_128_255;  /* The number of good and bad packets received that are between 128 and 255-byte long. */
+        unsigned long rx_sz_256_511;  /* The number of good and bad packets received that are between 256 and 511-byte long. */
+        unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */
+        unsigned long rx_sz_1024_1518;    /* The number of good and bad packets received that are between 1024 and 1518-byte long. */
+        unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */
+        unsigned long rx_sz_ov;       /* The number of good and bad packets received that are more than MTU size truncated by Selene. */
+        unsigned long rx_rxf_ov;      /* The number of frame dropped due to occurrence of RX FIFO overflow. */
+        unsigned long rx_rrd_ov;      /* The number of frame dropped due to occurrence of RRD overflow. */
+        unsigned long rx_align_err;   /* Alignment Error */
+        unsigned long rx_bcast_byte_cnt;  /* The byte count of broadcast packet received, excluding FCS. */
+        unsigned long rx_mcast_byte_cnt;  /* The byte count of multicast packet received, excluding FCS. */
+        unsigned long rx_err_addr;    /* The number of packets dropped due to address filtering. */
+
+        /* tx */
+        unsigned long tx_ok;      /* The number of good packet transmitted. */
+        unsigned long tx_bcast;       /* The number of good broadcast packet transmitted. */
+        unsigned long tx_mcast;       /* The number of good multicast packet transmitted. */
+        unsigned long tx_pause;       /* The number of Pause packet transmitted. */
+        unsigned long tx_exc_defer;   /* The number of packets transmitted with excessive deferral. */
+        unsigned long tx_ctrl;        /* The number of packets transmitted is a control frame, excluding Pause frame. */
+        unsigned long tx_defer;       /* The number of packets transmitted that is deferred. */
+        unsigned long tx_byte_cnt;    /* The number of bytes of data transmitted. FCS is NOT included. */
+        unsigned long tx_sz_64;       /* The number of good and bad packets transmitted that are 64 byte long. */
+        unsigned long tx_sz_65_127;   /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */
+        unsigned long tx_sz_128_255;  /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */
+        unsigned long tx_sz_256_511;  /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */
+        unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */
+        unsigned long tx_sz_1024_1518;    /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */
+        unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */
+        unsigned long tx_1_col;       /* The number of packets subsequently transmitted successfully with a single prior collision. */
+        unsigned long tx_2_col;       /* The number of packets subsequently transmitted successfully with multiple prior collisions. */
+        unsigned long tx_late_col;    /* The number of packets transmitted with late collisions. */
+        unsigned long tx_abort_col;   /* The number of transmit packets aborted due to excessive collisions. */
+        unsigned long tx_underrun;    /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */
+        unsigned long tx_rd_eop;      /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */
+        unsigned long tx_len_err;     /* The number of transmit packets with length field does NOT match the actual frame size. */
+        unsigned long tx_trunc;       /* The number of transmit packets truncated due to size exceeding MTU. */
+        unsigned long tx_bcast_byte;  /* The byte count of broadcast packet transmitted, excluding FCS. */
+        unsigned long tx_mcast_byte;  /* The byte count of multicast packet transmitted, excluding FCS. */
+};
+
+struct atl1e_hw {
+        u8 __iomem      *hw_addr;            /* inner register address */
+        resource_size_t mem_rang;
+        struct atl1e_adapter *adapter;
+        enum atl1e_nic_type  nic_type;
+        u16 device_id;
+        u16 vendor_id;
+        u16 subsystem_id;
+        u16 subsystem_vendor_id;
+        u8  revision_id;
+        u16 pci_cmd_word;
+        u8 mac_addr[ETH_ALEN];
+        u8 perm_mac_addr[ETH_ALEN];
+        u8 preamble_len;
+        u16 max_frame_size;
+        u16 rx_jumbo_th;
+        u16 tx_jumbo_th;
+
+        u16 media_type;
+#define MEDIA_TYPE_AUTO_SENSOR  0
+#define MEDIA_TYPE_100M_FULL    1
+#define MEDIA_TYPE_100M_HALF    2
+#define MEDIA_TYPE_10M_FULL     3
+#define MEDIA_TYPE_10M_HALF     4
+
+        u16 autoneg_advertised;
+#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 /* Not used, just FYI */
+#define ADVERTISE_1000_FULL             0x0020
+        u16 mii_autoneg_adv_reg;
+        u16 mii_1000t_ctrl_reg;
+
+        u16 imt;        /* Interrupt Moderator timer ( 2us resolution) */
+        u16 ict;        /* Interrupt Clear timer (2us resolution) */
+        u32 smb_timer;
+        u16 rrd_thresh; /* Threshold of number of RRD produced to trigger
+                          interrupt request */
+        u16 tpd_thresh;
+        u16 rx_count_down; /* 2us resolution */
+        u16 tx_count_down;
+
+        u8 tpd_burst;   /* Number of TPD to prefetch in cache-aligned burst. */
+        enum atl1e_rrs_type rrs_type;
+        u32 base_cpu;
+        u32 indirect_tab;
+
+        enum atl1e_dma_req_block dmar_block;
+        enum atl1e_dma_req_block dmaw_block;
+        u8 dmaw_dly_cnt;
+        u8 dmar_dly_cnt;
+
+        bool phy_configured;
+        bool re_autoneg;
+        bool emi_ca;
+};
+
+/*
+ * wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer
+ */
+struct atl1e_tx_buffer {
+        struct sk_buff *skb;
+        u16 length;
+        dma_addr_t dma;
+};
+
+struct atl1e_rx_page {
+        dma_addr_t      dma;    /* receive rage DMA address */
+        u8              *addr;   /* receive rage virtual address */
+        dma_addr_t      write_offset_dma;  /* the DMA address which contain the
+                                              receive data offset in the page */
+        u32             *write_offset_addr; /* the virtaul address which contain
+                                             the receive data offset in the page */
+        u32             read_offset;       /* the offset where we have read */
+};
+
+struct atl1e_rx_page_desc {
+        struct atl1e_rx_page   rx_page[AT_PAGE_NUM_PER_QUEUE];
+        u8  rx_using;
+        u16 rx_nxseq;
+};
+
+/* transmit packet descriptor (tpd) ring */
+struct atl1e_tx_ring {
+        struct atl1e_tpd_desc *desc;  /* descriptor ring virtual address  */
+        dma_addr_t         dma;    /* descriptor ring physical address */
+        u16                count;  /* the count of transmit rings  */
+        rwlock_t           tx_lock;
+        u16                next_to_use;
+        atomic_t           next_to_clean;
+        struct atl1e_tx_buffer *tx_buffer;
+        dma_addr_t         cmb_dma;
+        u32                *cmb;
+};
+
+/* receive packet descriptor ring */
+struct atl1e_rx_ring {
+        void            *desc;
+        dma_addr_t      dma;
+        int             size;
+        u32             page_size; /* bytes length of rxf page */
+        u32             real_page_size; /* real_page_size = page_size + jumbo + aliagn */
+        struct atl1e_rx_page_desc       rx_page_desc[AT_MAX_RECEIVE_QUEUE];
+};
+
+/* board specific private data structure */
+struct atl1e_adapter {
+        struct net_device   *netdev;
+        struct pci_dev      *pdev;
+        struct vlan_group   *vlgrp;
+        struct napi_struct  napi;
+        struct mii_if_info  mii;    /* MII interface info */
+        struct atl1e_hw        hw;
+        struct atl1e_hw_stats  hw_stats;
+        struct net_device_stats net_stats;
+
+        bool have_msi;
+        u32 wol;
+        u16 link_speed;
+        u16 link_duplex;
+
+        spinlock_t mdio_lock;
+        spinlock_t tx_lock;
+        atomic_t irq_sem;
+
+        struct work_struct reset_task;
+        struct work_struct link_chg_task;
+        struct timer_list watchdog_timer;
+        struct timer_list phy_config_timer;
+
+        /* All Descriptor memory */
+        dma_addr_t      ring_dma;
+        void            *ring_vir_addr;
+        int             ring_size;
+
+        struct atl1e_tx_ring tx_ring;
+        struct atl1e_rx_ring rx_ring;
+        int num_rx_queues;
+        unsigned long flags;
+#define __AT_TESTING        0x0001
+#define __AT_RESETTING      0x0002
+#define __AT_DOWN           0x0003
+
+        u32 bd_number;     /* board number;*/
+        u32 pci_state[16];
+        u32 *config_space;
+};
+
+#define AT_WRITE_REG(a, reg, value) ( \
+                writel((value), ((a)->hw_addr + reg)))
+
+#define AT_WRITE_FLUSH(a) (\
+                readl((a)->hw_addr))
+
+#define AT_READ_REG(a, reg) ( \
+                readl((a)->hw_addr + reg))
+
+#define AT_WRITE_REGB(a, reg, value) (\
+                writeb((value), ((a)->hw_addr + reg)))
+
+#define AT_READ_REGB(a, reg) (\
+                readb((a)->hw_addr + reg))
+
+#define AT_WRITE_REGW(a, reg, value) (\
+                writew((value), ((a)->hw_addr + reg)))
+
+#define AT_READ_REGW(a, reg) (\
+                readw((a)->hw_addr + reg))
+
+#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \
+                writel((value), (((a)->hw_addr + reg) + ((offset) << 2))))
+
+#define AT_READ_REG_ARRAY(a, reg, offset) ( \
+                readl(((a)->hw_addr + reg) + ((offset) << 2)))
+
+extern char atl1e_driver_name[];
+extern char atl1e_driver_version[];
+
+extern void atl1e_check_options(struct atl1e_adapter *adapter);
+extern int atl1e_up(struct atl1e_adapter *adapter);
+extern void atl1e_down(struct atl1e_adapter *adapter);
+extern void atl1e_reinit_locked(struct atl1e_adapter *adapter);
+extern s32 atl1e_reset_hw(struct atl1e_hw *hw);
+extern void atl1e_set_ethtool_ops(struct net_device *netdev);
+#endif /* _ATL1_E_H_ */
diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c
new file mode 100644
index 000000000000..cdc3b85b10b9
--- /dev/null
+++ b/drivers/net/atl1e/atl1e_ethtool.c
@@ -0,0 +1,405 @@
+/*
+ * 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 <linux/netdevice.h>
+#include <linux/ethtool.h>
+
+#include "atl1e.h"
+
+static int atl1e_get_settings(struct net_device *netdev,
+                              struct ethtool_cmd *ecmd)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct atl1e_hw *hw = &adapter->hw;
+
+        ecmd->supported = (SUPPORTED_10baseT_Half  |
+                           SUPPORTED_10baseT_Full  |
+                           SUPPORTED_100baseT_Half |
+                           SUPPORTED_100baseT_Full |
+                           SUPPORTED_Autoneg       |
+                           SUPPORTED_TP);
+        if (hw->nic_type == athr_l1e)
+                ecmd->supported |= SUPPORTED_1000baseT_Full;
+
+        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) {
+                ecmd->speed = adapter->link_speed;
+                if (adapter->link_duplex == FULL_DUPLEX)
+                        ecmd->duplex = DUPLEX_FULL;
+                else
+                        ecmd->duplex = DUPLEX_HALF;
+        } else {
+                ecmd->speed = -1;
+                ecmd->duplex = -1;
+        }
+
+        ecmd->autoneg = AUTONEG_ENABLE;
+        return 0;
+}
+
+static int atl1e_set_settings(struct net_device *netdev,
+                              struct ethtool_cmd *ecmd)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct atl1e_hw *hw = &adapter->hw;
+
+        while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
+                msleep(1);
+
+        if (ecmd->autoneg == AUTONEG_ENABLE) {
+                u16 adv4, adv9;
+
+                if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
+                        if (hw->nic_type == athr_l1e) {
+                                hw->autoneg_advertised =
+                                        ecmd->advertising & AT_ADV_MASK;
+                        } else {
+                                clear_bit(__AT_RESETTING, &adapter->flags);
+                                return -EINVAL;
+                        }
+                } else if (ecmd->advertising&ADVERTISE_1000_HALF) {
+                        clear_bit(__AT_RESETTING, &adapter->flags);
+                        return -EINVAL;
+                } else {
+                        hw->autoneg_advertised =
+                                ecmd->advertising & AT_ADV_MASK;
+                }
+                ecmd->advertising = hw->autoneg_advertised |
+                                    ADVERTISED_TP | ADVERTISED_Autoneg;
+
+                adv4 = hw->mii_autoneg_adv_reg & ~MII_AR_SPEED_MASK;
+                adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
+                if (hw->autoneg_advertised & ADVERTISE_10_HALF)
+                        adv4 |= MII_AR_10T_HD_CAPS;
+                if (hw->autoneg_advertised & ADVERTISE_10_FULL)
+                        adv4 |= MII_AR_10T_FD_CAPS;
+                if (hw->autoneg_advertised & ADVERTISE_100_HALF)
+                        adv4 |= MII_AR_100TX_HD_CAPS;
+                if (hw->autoneg_advertised & ADVERTISE_100_FULL)
+                        adv4 |= MII_AR_100TX_FD_CAPS;
+                if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
+                        adv9 |= MII_AT001_CR_1000T_FD_CAPS;
+
+                if (adv4 != hw->mii_autoneg_adv_reg ||
+                                adv9 != hw->mii_1000t_ctrl_reg) {
+                        hw->mii_autoneg_adv_reg = adv4;
+                        hw->mii_1000t_ctrl_reg = adv9;
+                        hw->re_autoneg = true;
+                }
+
+        } else {
+                clear_bit(__AT_RESETTING, &adapter->flags);
+                return -EINVAL;
+        }
+
+        /* reset the link */
+
+        if (netif_running(adapter->netdev)) {
+                atl1e_down(adapter);
+                atl1e_up(adapter);
+        } else
+                atl1e_reset_hw(&adapter->hw);
+
+        clear_bit(__AT_RESETTING, &adapter->flags);
+        return 0;
+}
+
+static u32 atl1e_get_tx_csum(struct net_device *netdev)
+{
+        return (netdev->features & NETIF_F_HW_CSUM) != 0;
+}
+
+static u32 atl1e_get_msglevel(struct net_device *netdev)
+{
+#ifdef DBG
+        return 1;
+#else
+        return 0;
+#endif
+}
+
+static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
+{
+}
+
+static int atl1e_get_regs_len(struct net_device *netdev)
+{
+        return AT_REGS_LEN * sizeof(u32);
+}
+
+static void atl1e_get_regs(struct net_device *netdev,
+                           struct ethtool_regs *regs, void *p)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct atl1e_hw *hw = &adapter->hw;
+        u32 *regs_buff = p;
+        u16 phy_data;
+
+        memset(p, 0, AT_REGS_LEN * sizeof(u32));
+
+        regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
+
+        regs_buff[0]  = AT_READ_REG(hw, REG_VPD_CAP);
+        regs_buff[1]  = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
+        regs_buff[2]  = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
+        regs_buff[3]  = AT_READ_REG(hw, REG_TWSI_CTRL);
+        regs_buff[4]  = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
+        regs_buff[5]  = AT_READ_REG(hw, REG_MASTER_CTRL);
+        regs_buff[6]  = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
+        regs_buff[7]  = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
+        regs_buff[8]  = AT_READ_REG(hw, REG_GPHY_CTRL);
+        regs_buff[9]  = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
+        regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
+        regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
+        regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
+        regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
+        regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
+        regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
+        regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
+        regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
+        regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
+        regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
+        regs_buff[20] = AT_READ_REG(hw, REG_MTU);
+        regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
+        regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
+        regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
+        regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
+        regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
+        regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
+        regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
+        regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
+        regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
+
+        atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
+        regs_buff[73] = (u32)phy_data;
+        atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
+        regs_buff[74] = (u32)phy_data;
+}
+
+static int atl1e_get_eeprom_len(struct net_device *netdev)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+        if (!atl1e_check_eeprom_exist(&adapter->hw))
+                return AT_EEPROM_LEN;
+        else
+                return 0;
+}
+
+static int atl1e_get_eeprom(struct net_device *netdev,
+                struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct atl1e_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 (atl1e_check_eeprom_exist(hw)) /* not exist */
+                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 == NULL)
+                return -ENOMEM;
+
+        for (i = first_dword; i < last_dword; i++) {
+                if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
+                        kfree(eeprom_buff);
+                        return -EIO;
+                }
+        }
+
+        memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
+                        eeprom->len);
+        kfree(eeprom_buff);
+
+        return ret_val;
+}
+
+static int atl1e_set_eeprom(struct net_device *netdev,
+                            struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct atl1e_hw *hw = &adapter->hw;
+        u32 *eeprom_buff;
+        u32 *ptr;
+        int first_dword, last_dword;
+        int ret_val = 0;
+        int i;
+
+        if (eeprom->len == 0)
+                return -EOPNOTSUPP;
+
+        if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+                return -EINVAL;
+
+        first_dword = eeprom->offset >> 2;
+        last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
+        eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
+        if (eeprom_buff == NULL)
+                return -ENOMEM;
+
+        ptr = (u32 *)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 (!atl1e_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 (!atl1e_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 (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
+                                  eeprom_buff[i])) {
+                        ret_val = -EIO;
+                        goto out;
+                }
+        }
+out:
+        kfree(eeprom_buff);
+        return ret_val;
+}
+
+static void atl1e_get_drvinfo(struct net_device *netdev,
+                struct ethtool_drvinfo *drvinfo)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+        strncpy(drvinfo->driver,  atl1e_driver_name, 32);
+        strncpy(drvinfo->version, atl1e_driver_version, 32);
+        strncpy(drvinfo->fw_version, "L1e", 32);
+        strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
+        drvinfo->n_stats = 0;
+        drvinfo->testinfo_len = 0;
+        drvinfo->regdump_len = atl1e_get_regs_len(netdev);
+        drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
+}
+
+static void atl1e_get_wol(struct net_device *netdev,
+                          struct ethtool_wolinfo *wol)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+        wol->supported = WAKE_MAGIC | WAKE_PHY;
+        wol->wolopts = 0;
+
+        if (adapter->wol & AT_WUFC_EX)
+                wol->wolopts |= WAKE_UCAST;
+        if (adapter->wol & AT_WUFC_MC)
+                wol->wolopts |= WAKE_MCAST;
+        if (adapter->wol & AT_WUFC_BC)
+                wol->wolopts |= WAKE_BCAST;
+        if (adapter->wol & AT_WUFC_MAG)
+                wol->wolopts |= WAKE_MAGIC;
+        if (adapter->wol & AT_WUFC_LNKC)
+                wol->wolopts |= WAKE_PHY;
+
+        return;
+}
+
+static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+        if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
+                            WAKE_MCAST | 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 |= AT_WUFC_MAG;
+        if (wol->wolopts & WAKE_PHY)
+                adapter->wol |= AT_WUFC_LNKC;
+
+        return 0;
+}
+
+static int atl1e_nway_reset(struct net_device *netdev)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        if (netif_running(netdev))
+                atl1e_reinit_locked(adapter);
+        return 0;
+}
+
+static struct ethtool_ops atl1e_ethtool_ops = {
+        .get_settings           = atl1e_get_settings,
+        .set_settings           = atl1e_set_settings,
+        .get_drvinfo            = atl1e_get_drvinfo,
+        .get_regs_len           = atl1e_get_regs_len,
+        .get_regs               = atl1e_get_regs,
+        .get_wol                = atl1e_get_wol,
+        .set_wol                = atl1e_set_wol,
+        .get_msglevel           = atl1e_get_msglevel,
+        .set_msglevel           = atl1e_set_msglevel,
+        .nway_reset             = atl1e_nway_reset,
+        .get_link               = ethtool_op_get_link,
+        .get_eeprom_len         = atl1e_get_eeprom_len,
+        .get_eeprom             = atl1e_get_eeprom,
+        .set_eeprom             = atl1e_set_eeprom,
+        .get_tx_csum            = atl1e_get_tx_csum,
+        .get_sg                 = ethtool_op_get_sg,
+        .set_sg                 = ethtool_op_set_sg,
+#ifdef NETIF_F_TSO
+        .get_tso                = ethtool_op_get_tso,
+#endif
+};
+
+void atl1e_set_ethtool_ops(struct net_device *netdev)
+{
+        SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
+}
diff --git a/drivers/net/atl1e/atl1e_hw.c b/drivers/net/atl1e/atl1e_hw.c
new file mode 100644
index 000000000000..949e75358bf0
--- /dev/null
+++ b/drivers/net/atl1e/atl1e_hw.c
@@ -0,0 +1,664 @@
+/*
+ * 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 <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/mii.h>
+#include <linux/crc32.h>
+
+#include "atl1e.h"
+
+/*
+ * check_eeprom_exist
+ * return 0 if eeprom exist
+ */
+int atl1e_check_eeprom_exist(struct atl1e_hw *hw)
+{
+        u32 value;
+
+        value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
+        if (value & SPI_FLASH_CTRL_EN_VPD) {
+                value &= ~SPI_FLASH_CTRL_EN_VPD;
+                AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
+        }
+        value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST);
+        return ((value & 0xFF00) == 0x6C00) ? 0 : 1;
+}
+
+void atl1e_hw_set_mac_addr(struct atl1e_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])) ;
+        AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);
+        /* hight dword */
+        value = (((u32)hw->mac_addr[0]) << 8) |
+                (((u32)hw->mac_addr[1])) ;
+        AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);
+}
+
+/*
+ * atl1e_get_permanent_address
+ * return 0 if get valid mac address,
+ */
+static int atl1e_get_permanent_address(struct atl1e_hw *hw)
+{
+        u32 addr[2];
+        u32 i;
+        u32 twsi_ctrl_data;
+        u8  eth_addr[ETH_ALEN];
+
+        if (is_valid_ether_addr(hw->perm_mac_addr))
+                return 0;
+
+        /* init */
+        addr[0] = addr[1] = 0;
+
+        if (!atl1e_check_eeprom_exist(hw)) {
+                /* eeprom exist */
+                twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
+                twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART;
+                AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data);
+                for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) {
+                        msleep(10);
+                        twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
+                        if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0)
+                                break;
+                }
+                if (i >= AT_TWSI_EEPROM_TIMEOUT)
+                        return AT_ERR_TIMEOUT;
+        }
+
+        /* maybe MAC-address is from BIOS */
+        addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
+        addr[1] = AT_READ_REG(hw, 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 AT_ERR_EEPROM;
+}
+
+bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value)
+{
+        return true;
+}
+
+bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value)
+{
+        int i;
+        u32 control;
+
+        if (offset & 3)
+                return false; /* address do not align */
+
+        AT_WRITE_REG(hw, REG_VPD_DATA, 0);
+        control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT;
+        AT_WRITE_REG(hw, REG_VPD_CAP, control);
+
+        for (i = 0; i < 10; i++) {
+                msleep(2);
+                control = AT_READ_REG(hw, REG_VPD_CAP);
+                if (control & VPD_CAP_VPD_FLAG)
+                        break;
+        }
+        if (control & VPD_CAP_VPD_FLAG) {
+                *p_value = AT_READ_REG(hw, REG_VPD_DATA);
+                return true;
+        }
+        return false; /* timeout */
+}
+
+void atl1e_force_ps(struct atl1e_hw *hw)
+{
+        AT_WRITE_REGW(hw, REG_GPHY_CTRL,
+                        GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET);
+}
+
+/*
+ * Reads the adapter's MAC address from the EEPROM
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+int atl1e_read_mac_addr(struct atl1e_hw *hw)
+{
+        int err = 0;
+
+        err = atl1e_get_permanent_address(hw);
+        if (err)
+                return AT_ERR_EEPROM;
+        memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr));
+        return 0;
+}
+
+/*
+ * atl1e_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
+ */
+u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
+{
+        u32 crc32;
+        u32 value = 0;
+        int i;
+
+        crc32 = ether_crc_le(6, mc_addr);
+        crc32 = ~crc32;
+        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
+ */
+void atl1e_hash_set(struct atl1e_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 = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg);
+
+        mta |= (1 << hash_bit);
+
+        AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta);
+}
+/*
+ * Reads the value from a PHY register
+ * hw - Struct containing variables accessed by shared code
+ * reg_addr - address of the PHY register to read
+ */
+int atl1e_read_phy_reg(struct atl1e_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;
+
+        AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
+
+        wmb();
+
+        for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+                udelay(2);
+                val = AT_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 AT_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
+ */
+int atl1e_write_phy_reg(struct atl1e_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;
+
+        AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
+        wmb();
+
+        for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+                udelay(2);
+                val = AT_READ_REG(hw, REG_MDIO_CTRL);
+                if (!(val & (MDIO_START | MDIO_BUSY)))
+                        break;
+                wmb();
+        }
+
+        if (!(val & (MDIO_START | MDIO_BUSY)))
+                return 0;
+
+        return AT_ERR_PHY;
+}
+
+/*
+ * atl1e_init_pcie - init PCIE module
+ */
+static void atl1e_init_pcie(struct atl1e_hw *hw)
+{
+        u32 value;
+        /* comment 2lines below to save more power when sususpend
+           value = LTSSM_TEST_MODE_DEF;
+           AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value);
+         */
+
+        /* pcie flow control mode change */
+        value = AT_READ_REG(hw, 0x1008);
+        value |= 0x8000;
+        AT_WRITE_REG(hw, 0x1008, value);
+}
+/*
+ * Configures PHY autoneg and flow control advertisement settings
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw)
+{
+        s32 ret_val;
+        u16 mii_autoneg_adv_reg;
+        u16 mii_1000t_ctrl_reg;
+
+        if (0 != hw->mii_autoneg_adv_reg)
+                return 0;
+        /* Read the MII Auto-Neg Advertisement Register (Address 4/9). */
+        mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK;
+        mii_1000t_ctrl_reg  = MII_AT001_CR_1000T_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;
+        mii_1000t_ctrl_reg  &= ~MII_AT001_CR_1000T_SPEED_MASK;
+
+        /*
+         * Need to parse MediaType and setup 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);
+                hw->autoneg_advertised = ADVERTISE_10_HALF  |
+                                         ADVERTISE_10_FULL  |
+                                         ADVERTISE_100_HALF |
+                                         ADVERTISE_100_FULL;
+                if (hw->nic_type == athr_l1e) {
+                        mii_1000t_ctrl_reg |=
+                                MII_AT001_CR_1000T_FD_CAPS;
+                        hw->autoneg_advertised |= ADVERTISE_1000_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;
+        hw->mii_1000t_ctrl_reg  = mii_1000t_ctrl_reg;
+
+        ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
+        if (ret_val)
+                return ret_val;
+
+        if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
+                ret_val = atl1e_write_phy_reg(hw, MII_AT001_CR,
+                                           mii_1000t_ctrl_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)
+ */
+int atl1e_phy_commit(struct atl1e_hw *hw)
+{
+        struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
+        struct pci_dev *pdev = adapter->pdev;
+        int ret_val;
+        u16 phy_data;
+
+        phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
+
+        ret_val = atl1e_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 = AT_READ_REG(hw, REG_MDIO_CTRL);
+                        if (!(val & (MDIO_START | MDIO_BUSY)))
+                                break;
+                }
+
+                if (0 != (val & (MDIO_START | MDIO_BUSY))) {
+                        dev_err(&pdev->dev,
+                                "pcie linkdown at least for 25ms\n");
+                        return ret_val;
+                }
+
+                dev_err(&pdev->dev, "pcie linkup after %d ms\n", i);
+        }
+        return 0;
+}
+
+int atl1e_phy_init(struct atl1e_hw *hw)
+{
+        struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
+        struct pci_dev *pdev = adapter->pdev;
+        s32 ret_val;
+        u16 phy_val;
+
+        if (hw->phy_configured) {
+                if (hw->re_autoneg) {
+                        hw->re_autoneg = false;
+                        return atl1e_restart_autoneg(hw);
+                }
+                return 0;
+        }
+
+        /* RESET GPHY Core */
+        AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT);
+        msleep(2);
+        AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT |
+                      GPHY_CTRL_EXT_RESET);
+        msleep(2);
+
+        /* patches */
+        /* p1. eable hibernation mode */
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB);
+        if (ret_val)
+                return ret_val;
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00);
+        if (ret_val)
+                return ret_val;
+        /* p2. set Class A/B for all modes */
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0);
+        if (ret_val)
+                return ret_val;
+        phy_val = 0x02ef;
+        /* remove Class AB */
+        /* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val);
+        if (ret_val)
+                return ret_val;
+        /* p3. 10B ??? */
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12);
+        if (ret_val)
+                return ret_val;
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04);
+        if (ret_val)
+                return ret_val;
+        /* p4. 1000T power */
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4);
+        if (ret_val)
+                return ret_val;
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB);
+        if (ret_val)
+                return ret_val;
+
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5);
+        if (ret_val)
+                return ret_val;
+        ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46);
+        if (ret_val)
+                return ret_val;
+
+        msleep(1);
+
+        /*Enable PHY LinkChange Interrupt */
+        ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00);
+        if (ret_val) {
+                dev_err(&pdev->dev, "Error enable PHY linkChange Interrupt\n");
+                return ret_val;
+        }
+        /* setup AutoNeg parameters */
+        ret_val = atl1e_phy_setup_autoneg_adv(hw);
+        if (ret_val) {
+                dev_err(&pdev->dev, "Error Setting up Auto-Negotiation\n");
+                return ret_val;
+        }
+        /* SW.Reset & En-Auto-Neg to restart Auto-Neg*/
+        dev_dbg(&pdev->dev, "Restarting Auto-Neg");
+        ret_val = atl1e_phy_commit(hw);
+        if (ret_val) {
+                dev_err(&pdev->dev, "Error Resetting the phy");
+                return ret_val;
+        }
+
+        hw->phy_configured = true;
+
+        return 0;
+}
+
+/*
+ * 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)
+ */
+int atl1e_reset_hw(struct atl1e_hw *hw)
+{
+        struct atl1e_adapter *adapter = (struct atl1e_adapter *)hw->adapter;
+        struct pci_dev *pdev = adapter->pdev;
+
+        u32 idle_status_data = 0;
+        u16 pci_cfg_cmd_word = 0;
+        int timeout = 0;
+
+        /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
+        pci_read_config_word(pdev, 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);
+                pci_write_config_word(pdev, PCI_REG_COMMAND, pci_cfg_cmd_word);
+        }
+
+        /*
+         * 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.
+         */
+        AT_WRITE_REG(hw, REG_MASTER_CTRL,
+                        MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST);
+        wmb();
+        msleep(1);
+
+        /* Wait at least 10ms for All module to be Idle */
+        for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) {
+                idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS);
+                if (idle_status_data == 0)
+                        break;
+                msleep(1);
+                cpu_relax();
+        }
+
+        if (timeout >= AT_HW_MAX_IDLE_DELAY) {
+                dev_err(&pdev->dev,
+                        "MAC state machine cann't be idle since"
+                        " disabled for 10ms second\n");
+                return AT_ERR_TIMEOUT;
+        }
+
+        return 0;
+}
+
+
+/*
+ * 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.
+ */
+int atl1e_init_hw(struct atl1e_hw *hw)
+{
+        s32 ret_val = 0;
+
+        atl1e_init_pcie(hw);
+
+        /* Zero out the Multicast HASH table */
+        /* 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);
+
+        ret_val = atl1e_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
+ */
+int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex)
+{
+        int err;
+        u16 phy_data;
+
+        /* Read   PHY Specific Status Register (17) */
+        err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data);
+        if (err)
+                return err;
+
+        if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED))
+                return AT_ERR_PHY_RES;
+
+        switch (phy_data & MII_AT001_PSSR_SPEED) {
+        case MII_AT001_PSSR_1000MBS:
+                *speed = SPEED_1000;
+                break;
+        case MII_AT001_PSSR_100MBS:
+                *speed = SPEED_100;
+                break;
+        case MII_AT001_PSSR_10MBS:
+                *speed = SPEED_10;
+                break;
+        default:
+                return AT_ERR_PHY_SPEED;
+                break;
+        }
+
+        if (phy_data & MII_AT001_PSSR_DPLX)
+                *duplex = FULL_DUPLEX;
+        else
+                *duplex = HALF_DUPLEX;
+
+        return 0;
+}
+
+int atl1e_restart_autoneg(struct atl1e_hw *hw)
+{
+        int err = 0;
+
+        err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg);
+        if (err)
+                return err;
+
+        if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
+                err = atl1e_write_phy_reg(hw, MII_AT001_CR,
+                                       hw->mii_1000t_ctrl_reg);
+                if (err)
+                        return err;
+        }
+
+        err = atl1e_write_phy_reg(hw, MII_BMCR,
+                        MII_CR_RESET | MII_CR_AUTO_NEG_EN |
+                        MII_CR_RESTART_AUTO_NEG);
+        return err;
+}
+
diff --git a/drivers/net/atl1e/atl1e_hw.h b/drivers/net/atl1e/atl1e_hw.h
new file mode 100644
index 000000000000..5ea2f4d86cfa
--- /dev/null
+++ b/drivers/net/atl1e/atl1e_hw.h
@@ -0,0 +1,793 @@
+/*
+ * 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 _ATHL1E_HW_H_
+#define _ATHL1E_HW_H_
+
+#include <linux/types.h>
+#include <linux/mii.h>
+
+struct atl1e_adapter;
+struct atl1e_hw;
+
+/* function prototype */
+s32 atl1e_reset_hw(struct atl1e_hw *hw);
+s32 atl1e_read_mac_addr(struct atl1e_hw *hw);
+s32 atl1e_init_hw(struct atl1e_hw *hw);
+s32 atl1e_phy_commit(struct atl1e_hw *hw);
+s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex);
+u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex);
+u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr);
+void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value);
+s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data);
+s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data);
+s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw);
+void atl1e_hw_set_mac_addr(struct atl1e_hw *hw);
+bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value);
+bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value);
+s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw);
+s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw);
+s32 atl1e_phy_init(struct atl1e_hw *hw);
+int atl1e_check_eeprom_exist(struct atl1e_hw *hw);
+void atl1e_force_ps(struct atl1e_hw *hw);
+s32 atl1e_restart_autoneg(struct atl1e_hw *hw);
+
+/* register definition */
+#define REG_PM_CTRLSTAT             0x44
+
+#define REG_PCIE_CAP_LIST           0x58
+
+#define REG_DEVICE_CAP              0x5C
+#define     DEVICE_CAP_MAX_PAYLOAD_MASK     0x7
+#define     DEVICE_CAP_MAX_PAYLOAD_SHIFT    0
+
+#define REG_DEVICE_CTRL             0x60
+#define     DEVICE_CTRL_MAX_PAYLOAD_MASK    0x7
+#define     DEVICE_CTRL_MAX_PAYLOAD_SHIFT   5
+#define     DEVICE_CTRL_MAX_RREQ_SZ_MASK    0x7
+#define     DEVICE_CTRL_MAX_RREQ_SZ_SHIFT   12
+
+#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     0x0x7F
+#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
+#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_LTSSM_TEST_MODE         0x12FC
+#define         LTSSM_TEST_MODE_DEF     0xE000
+
+/* Selene 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_ITIMER2_EN          0x20
+#define     MASTER_CTRL_INT_RDCLR           0x40
+#define     MASTER_CTRL_LED_MODE            0x200
+#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 ModeratorTimer Initial Value Register */
+#define REG_IRQ_MODU_TIMER_INIT     0x1408   /* w */
+#define REG_IRQ_MODU_TIMER2_INIT    0x140A   /* w */
+
+
+#define REG_GPHY_CTRL               0x140C
+#define     GPHY_CTRL_EXT_RESET         1
+#define     GPHY_CTRL_PIPE_MOD          2
+#define     GPHY_CTRL_TEST_MODE_MASK    3
+#define     GPHY_CTRL_TEST_MODE_SHIFT   2
+#define     GPHY_CTRL_BERT_START        0x10
+#define     GPHY_CTRL_GATE_25M_EN       0x20
+#define     GPHY_CTRL_LPW_EXIT          0x40
+#define     GPHY_CTRL_PHY_IDDQ          0x80
+#define     GPHY_CTRL_PHY_IDDQ_DIS      0x100
+#define     GPHY_CTRL_PCLK_SEL_DIS      0x200
+#define     GPHY_CTRL_HIB_EN            0x400
+#define     GPHY_CTRL_HIB_PULSE         0x800
+#define     GPHY_CTRL_SEL_ANA_RST       0x1000
+#define     GPHY_CTRL_PHY_PLL_ON        0x2000
+#define     GPHY_CTRL_PWDOWN_HW         0x4000
+#define     GPHY_CTRL_DEFAULT (\
+                GPHY_CTRL_PHY_PLL_ON    |\
+                GPHY_CTRL_SEL_ANA_RST   |\
+                GPHY_CTRL_HIB_PULSE     |\
+                GPHY_CTRL_HIB_EN)
+
+#define     GPHY_CTRL_PW_WOL_DIS (\
+                GPHY_CTRL_PHY_PLL_ON    |\
+                GPHY_CTRL_SEL_ANA_RST   |\
+                GPHY_CTRL_HIB_PULSE     |\
+                GPHY_CTRL_HIB_EN        |\
+                GPHY_CTRL_PWDOWN_HW     |\
+                GPHY_CTRL_PCLK_SEL_DIS  |\
+                GPHY_CTRL_PHY_IDDQ)
+
+/* IRQ Anti-Lost Timer Initial Value Register */
+#define REG_CMBDISDMA_TIMER         0x140E
+
+
+/* Block IDLE Status Register */
+#define REG_IDLE_STATUS         0x1410
+#define     IDLE_STATUS_RXMAC       1    /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */
+#define     IDLE_STATUS_TXMAC       2    /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */
+#define     IDLE_STATUS_RXQ         4    /* 1: RXQ state machine is in non-IDLE state.   0: RXQ is idling   */
+#define     IDLE_STATUS_TXQ         8    /* 1: TXQ state machine is in non-IDLE state.   0: TXQ is idling   */
+#define     IDLE_STATUS_DMAR        0x10 /* 1: DMAR state machine is in non-IDLE state.  0: DMAR is idling  */
+#define     IDLE_STATUS_DMAW        0x20 /* 1: DMAW state machine is in non-IDLE state.  0: DMAW is idling  */
+#define     IDLE_STATUS_SMB         0x40 /* 1: SMB state machine is in non-IDLE state.   0: SMB is idling   */
+#define     IDLE_STATUS_CMB         0x80 /* 1: CMB state machine is in non-IDLE state.   0: CMB is idling   */
+
+/* MDIO Control Register */
+#define REG_MDIO_CTRL           0x1414
+#define     MDIO_DATA_MASK          0xffff  /* On MDIO write, the 16-bit control data to write to PHY MII management register */
+#define     MDIO_DATA_SHIFT         0       /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/
+#define     MDIO_REG_ADDR_MASK      0x1f    /* MDIO register address */
+#define     MDIO_REG_ADDR_SHIFT     16
+#define     MDIO_RW                 0x200000      /* 1: read, 0: write */
+#define     MDIO_SUP_PREAMBLE       0x400000      /* Suppress preamble */
+#define     MDIO_START              0x800000      /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/
+#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
+#define     MDIO_AP_EN              0x10000000
+#define MDIO_WAIT_TIMES         10
+
+/* MII PHY Status Register */
+#define REG_PHY_STATUS           0x1418
+#define     PHY_STATUS_100M           0x20000
+#define     PHY_STATUS_EMI_CA         0x40000
+
+/* BIST Control and Status Register0 (for the Packet Memory) */
+#define REG_BIST0_CTRL              0x141c
+#define     BIST0_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
+/* BIST process and reset to zero when BIST is done */
+#define     BIST0_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
+/* decoder failure or more than 1 cell stuck-to-x failure */
+#define     BIST0_FUSE_FLAG             0x4 /* 1: Indicating one cell has been fixed */
+
+/* BIST Control and Status Register1(for the retry buffer of PCI Express) */
+#define REG_BIST1_CTRL              0x1420
+#define     BIST1_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
+/* BIST process and reset to zero when BIST is done */
+#define     BIST1_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
+/* decoder failure or more than 1 cell stuck-to-x failure.*/
+#define     BIST1_FUSE_FLAG             0x4
+
+/* SerDes Lock Detect Control and Status Register */
+#define REG_SERDES_LOCK             0x1424
+#define     SERDES_LOCK_DETECT          1  /* 1: SerDes lock detected . This signal comes from Analog SerDes */
+#define     SERDES_LOCK_DETECT_EN       2  /* 1: Enable SerDes Lock detect function */
+
+/* MAC Control Register  */
+#define REG_MAC_CTRL                0x1480
+#define     MAC_CTRL_TX_EN              1  /* 1: Transmit Enable */
+#define     MAC_CTRL_RX_EN              2  /* 1: Receive Enable */
+#define     MAC_CTRL_TX_FLOW            4  /* 1: Transmit Flow Control Enable */
+#define     MAC_CTRL_RX_FLOW            8  /* 1: Receive Flow Control Enable */
+#define     MAC_CTRL_LOOPBACK           0x10      /* 1: Loop back at G/MII Interface */
+#define     MAC_CTRL_DUPLX              0x20      /* 1: Full-duplex mode  0: Half-duplex mode */
+#define     MAC_CTRL_ADD_CRC            0x40      /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */
+#define     MAC_CTRL_PAD                0x80      /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */
+#define     MAC_CTRL_LENCHK             0x100     /* 1: Instruct MAC to check if length field matches the real packet length */
+#define     MAC_CTRL_HUGE_EN            0x200     /* 1: receive Jumbo frame enable */
+#define     MAC_CTRL_PRMLEN_SHIFT       10        /* Preamble length */
+#define     MAC_CTRL_PRMLEN_MASK        0xf
+#define     MAC_CTRL_RMV_VLAN           0x4000    /* 1: to remove VLAN Tag automatically from all receive packets */
+#define     MAC_CTRL_PROMIS_EN          0x8000    /* 1: Promiscuous Mode Enable */
+#define     MAC_CTRL_TX_PAUSE           0x10000   /* 1: transmit test pause */
+#define     MAC_CTRL_SCNT               0x20000   /* 1: shortcut slot time counter */
+#define     MAC_CTRL_SRST_TX            0x40000   /* 1: synchronized reset Transmit MAC module */
+#define     MAC_CTRL_TX_SIMURST         0x80000   /* 1: transmit simulation reset */
+#define     MAC_CTRL_SPEED_SHIFT        20        /* 10: gigabit 01:10M/100M */
+#define     MAC_CTRL_SPEED_MASK         0x300000
+#define     MAC_CTRL_SPEED_1000         2
+#define     MAC_CTRL_SPEED_10_100       1
+#define     MAC_CTRL_DBG_TX_BKPRESURE   0x400000  /* 1: transmit maximum backoff (half-duplex test bit) */
+#define     MAC_CTRL_TX_HUGE            0x800000  /* 1: transmit huge enable */
+#define     MAC_CTRL_RX_CHKSUM_EN       0x1000000 /* 1: RX checksum enable */
+#define     MAC_CTRL_MC_ALL_EN          0x2000000 /* 1: upload all multicast frame without error to system */
+#define     MAC_CTRL_BC_EN              0x4000000 /* 1: upload all broadcast frame without error to system */
+#define     MAC_CTRL_DBG                0x8000000 /* 1: upload all received frame to system (Debug Mode) */
+
+/* MAC IPG/IFG Control Register  */
+#define REG_MAC_IPG_IFG             0x1484
+#define     MAC_IPG_IFG_IPGT_SHIFT      0     /* Desired back to back inter-packet gap. The default is 96-bit time */
+#define     MAC_IPG_IFG_IPGT_MASK       0x7f
+#define     MAC_IPG_IFG_MIFG_SHIFT      8     /* Minimum number of IFG to enforce in between RX frames */
+#define     MAC_IPG_IFG_MIFG_MASK       0xff  /* Frame gap below such IFP is dropped */
+#define     MAC_IPG_IFG_IPGR1_SHIFT     16    /* 64bit Carrier-Sense window */
+#define     MAC_IPG_IFG_IPGR1_MASK      0x7f
+#define     MAC_IPG_IFG_IPGR2_SHIFT     24    /* 96-bit IPG window */
+#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      /* Collision Window */
+#define     MAC_HALF_DUPLX_CTRL_LCOL_MASK    0x3ff
+#define     MAC_HALF_DUPLX_CTRL_RETRY_SHIFT  12     /* Retransmission maximum, afterwards the packet will be discarded */
+#define     MAC_HALF_DUPLX_CTRL_RETRY_MASK   0xf
+#define     MAC_HALF_DUPLX_CTRL_EXC_DEF_EN   0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */
+#define     MAC_HALF_DUPLX_CTRL_NO_BACK_C    0x20000 /* 1: No back-off on collision, immediately start the retransmission */
+#define     MAC_HALF_DUPLX_CTRL_NO_BACK_P    0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */
+#define     MAC_HALF_DUPLX_CTRL_ABEBE        0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */
+#define     MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT  20      /* Maximum binary exponential number */
+#define     MAC_HALF_DUPLX_CTRL_ABEBT_MASK   0xf
+#define     MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24      /* IPG to start JAM for collision based flow control in half-duplex */
+#define     MAC_HALF_DUPLX_CTRL_JAMIPG_MASK  0xf     /* mode. In unit of 8-bit time */
+
+/* Maximum Frame Length Control Register   */
+#define REG_MTU                     0x149c
+
+/* Wake-On-Lan control register */
+#define REG_WOL_CTRL                0x14a0
+#define     WOL_PATTERN_EN                  0x00000001
+#define     WOL_PATTERN_PME_EN              0x00000002
+#define     WOL_MAGIC_EN                    0x00000004
+#define     WOL_MAGIC_PME_EN                0x00000008
+#define     WOL_LINK_CHG_EN                 0x00000010
+#define     WOL_LINK_CHG_PME_EN             0x00000020
+#define     WOL_PATTERN_ST                  0x00000100
+#define     WOL_MAGIC_ST                    0x00000200
+#define     WOL_LINKCHG_ST                  0x00000400
+#define     WOL_CLK_SWITCH_EN               0x00008000
+#define     WOL_PT0_EN                      0x00010000
+#define     WOL_PT1_EN                      0x00020000
+#define     WOL_PT2_EN                      0x00040000
+#define     WOL_PT3_EN                      0x00080000
+#define     WOL_PT4_EN                      0x00100000
+#define     WOL_PT5_EN                      0x00200000
+#define     WOL_PT6_EN                      0x00400000
+/* 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 Register */
+#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_ADDR          0x1530
+#define REG_SRAM_PKTH_ADDR          0x1532
+
+/* Load Ptr Register */
+#define REG_LOAD_PTR                0x1534  /* Software sets this bit after the initialization of the head and tail */
+
+/*
+ * addresses of all descriptors, as well as the following descriptor
+ * control register, which triggers each function block to load the head
+ * pointer to prepare for the operation. This bit is then self-cleared
+ * after one cycle.
+ */
+
+/* Descriptor Control register  */
+#define REG_RXF3_BASE_ADDR_HI           0x153C
+#define REG_DESC_BASE_ADDR_HI           0x1540
+#define REG_RXF0_BASE_ADDR_HI           0x1540 /* share with DESC BASE ADDR HI */
+#define REG_HOST_RXF0_PAGE0_LO          0x1544
+#define REG_HOST_RXF0_PAGE1_LO          0x1548
+#define REG_TPD_BASE_ADDR_LO            0x154C
+#define REG_RXF1_BASE_ADDR_HI           0x1550
+#define REG_RXF2_BASE_ADDR_HI           0x1554
+#define REG_HOST_RXFPAGE_SIZE           0x1558
+#define REG_TPD_RING_SIZE               0x155C
+/* RSS about */
+#define REG_RSS_KEY0                    0x14B0
+#define REG_RSS_KEY1                    0x14B4
+#define REG_RSS_KEY2                    0x14B8
+#define REG_RSS_KEY3                    0x14BC
+#define REG_RSS_KEY4                    0x14C0
+#define REG_RSS_KEY5                    0x14C4
+#define REG_RSS_KEY6                    0x14C8
+#define REG_RSS_KEY7                    0x14CC
+#define REG_RSS_KEY8                    0x14D0
+#define REG_RSS_KEY9                    0x14D4
+#define REG_IDT_TABLE4                  0x14E0
+#define REG_IDT_TABLE5                  0x14E4
+#define REG_IDT_TABLE6                  0x14E8
+#define REG_IDT_TABLE7                  0x14EC
+#define REG_IDT_TABLE0                  0x1560
+#define REG_IDT_TABLE1                  0x1564
+#define REG_IDT_TABLE2                  0x1568
+#define REG_IDT_TABLE3                  0x156C
+#define REG_IDT_TABLE                   REG_IDT_TABLE0
+#define REG_RSS_HASH_VALUE              0x1570
+#define REG_RSS_HASH_FLAG               0x1574
+#define REG_BASE_CPU_NUMBER             0x157C
+
+
+/* TXQ Control Register */
+#define REG_TXQ_CTRL                0x1580
+#define     TXQ_CTRL_NUM_TPD_BURST_MASK     0xF
+#define     TXQ_CTRL_NUM_TPD_BURST_SHIFT    0
+#define     TXQ_CTRL_EN                     0x20  /* 1: Enable TXQ */
+#define     TXQ_CTRL_ENH_MODE               0x40  /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */
+#define     TXQ_CTRL_TXF_BURST_NUM_SHIFT    16    /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */
+#define     TXQ_CTRL_TXF_BURST_NUM_MASK     0xffff
+
+/* Jumbo packet Threshold for task offload */
+#define REG_TX_EARLY_TH                     0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */
+/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */
+#define     TX_TX_EARLY_TH_MASK             0x7ff
+#define     TX_TX_EARLY_TH_SHIFT            0
+
+
+/* RXQ Control Register */
+#define REG_RXQ_CTRL                0x15A0
+#define         RXQ_CTRL_PBA_ALIGN_32                   0   /* rx-packet alignment */
+#define         RXQ_CTRL_PBA_ALIGN_64                   1
+#define         RXQ_CTRL_PBA_ALIGN_128                  2
+#define         RXQ_CTRL_PBA_ALIGN_256                  3
+#define         RXQ_CTRL_Q1_EN                          0x10
+#define         RXQ_CTRL_Q2_EN                          0x20
+#define         RXQ_CTRL_Q3_EN                          0x40
+#define         RXQ_CTRL_IPV6_XSUM_VERIFY_EN            0x80
+#define         RXQ_CTRL_HASH_TLEN_SHIFT                8
+#define         RXQ_CTRL_HASH_TLEN_MASK                 0xFF
+#define         RXQ_CTRL_HASH_TYPE_IPV4                 0x10000
+#define         RXQ_CTRL_HASH_TYPE_IPV4_TCP             0x20000
+#define         RXQ_CTRL_HASH_TYPE_IPV6                 0x40000
+#define         RXQ_CTRL_HASH_TYPE_IPV6_TCP             0x80000
+#define         RXQ_CTRL_RSS_MODE_DISABLE               0
+#define         RXQ_CTRL_RSS_MODE_SQSINT                0x4000000
+#define         RXQ_CTRL_RSS_MODE_MQUESINT              0x8000000
+#define         RXQ_CTRL_RSS_MODE_MQUEMINT              0xC000000
+#define         RXQ_CTRL_NIP_QUEUE_SEL_TBL              0x10000000
+#define         RXQ_CTRL_HASH_ENABLE                    0x20000000
+#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
+/*
+ * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit.
+ * When the packet length greater than or equal to this value, RXQ
+ * shall start cut-through forwarding of the received packet.
+ */
+#define         RXQ_JMBOSZ_TH_MASK      0x7ff
+#define         RXQ_JMBOSZ_TH_SHIFT         0  /* RRD retirement timer. Decrement by 1 after every 512ns passes*/
+#define         RXQ_JMBO_LKAH_MASK          0xf
+#define         RXQ_JMBO_LKAH_SHIFT         11
+
+/* RXF flow control register */
+#define REG_RXQ_RXF_PAUSE_THRESH    0x15A8
+#define     RXQ_RXF_PAUSE_TH_HI_SHIFT       0
+#define     RXQ_RXF_PAUSE_TH_HI_MASK        0xfff
+#define     RXQ_RXF_PAUSE_TH_LO_SHIFT       16
+#define     RXQ_RXF_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_REQ_PRI           0x400
+#define     DMA_CTRL_DMAR_DLY_CNT_MASK      0x1F
+#define     DMA_CTRL_DMAR_DLY_CNT_SHIFT     11
+#define     DMA_CTRL_DMAW_DLY_CNT_MASK      0xF
+#define     DMA_CTRL_DMAW_DLY_CNT_SHIFT     16
+#define     DMA_CTRL_TXCMB_EN               0x100000
+#define     DMA_CTRL_RXCMB_EN                           0x200000
+
+
+/* CMB/SMB Control Register */
+#define REG_SMB_STAT_TIMER                      0x15C4
+#define REG_TRIG_RRD_THRESH                     0x15CA
+#define REG_TRIG_TPD_THRESH                     0x15C8
+#define REG_TRIG_TXTIMER                        0x15CC
+#define REG_TRIG_RXTIMER                        0x15CE
+
+/* HOST RXF Page 1,2,3 address */
+#define REG_HOST_RXF1_PAGE0_LO                  0x15D0
+#define REG_HOST_RXF1_PAGE1_LO                  0x15D4
+#define REG_HOST_RXF2_PAGE0_LO                  0x15D8
+#define REG_HOST_RXF2_PAGE1_LO                  0x15DC
+#define REG_HOST_RXF3_PAGE0_LO                  0x15E0
+#define REG_HOST_RXF3_PAGE1_LO                  0x15E4
+
+/* Mail box */
+#define REG_MB_RXF1_RADDR                       0x15B4
+#define REG_MB_RXF2_RADDR                       0x15B8
+#define REG_MB_RXF3_RADDR                       0x15BC
+#define REG_MB_TPD_PROD_IDX                     0x15F0
+
+/* RXF-Page 0-3  PageNo & Valid bit */
+#define REG_HOST_RXF0_PAGE0_VLD     0x15F4
+#define     HOST_RXF_VALID              1
+#define     HOST_RXF_PAGENO_SHIFT       1
+#define     HOST_RXF_PAGENO_MASK        0x7F
+#define REG_HOST_RXF0_PAGE1_VLD     0x15F5
+#define REG_HOST_RXF1_PAGE0_VLD     0x15F6
+#define REG_HOST_RXF1_PAGE1_VLD     0x15F7
+#define REG_HOST_RXF2_PAGE0_VLD     0x15F8
+#define REG_HOST_RXF2_PAGE1_VLD     0x15F9
+#define REG_HOST_RXF3_PAGE0_VLD     0x15FA
+#define REG_HOST_RXF3_PAGE1_VLD     0x15FB
+
+/* Interrupt Status Register */
+#define REG_ISR    0x1600
+#define  ISR_SMB                1
+#define  ISR_TIMER              2       /* Interrupt when Timer is counted down to zero */
+/*
+ * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set
+ * in Table 51 Selene Master Control Register (Offset 0x1400).
+ */
+#define  ISR_MANUAL             4
+#define  ISR_HW_RXF_OV          8        /* RXF overflow interrupt */
+#define  ISR_HOST_RXF0_OV       0x10
+#define  ISR_HOST_RXF1_OV       0x20
+#define  ISR_HOST_RXF2_OV       0x40
+#define  ISR_HOST_RXF3_OV       0x80
+#define  ISR_TXF_UN             0x100
+#define  ISR_RX0_PAGE_FULL      0x200
+#define  ISR_DMAR_TO_RST        0x400
+#define  ISR_DMAW_TO_RST        0x800
+#define  ISR_GPHY               0x1000
+#define  ISR_TX_CREDIT          0x2000
+#define  ISR_GPHY_LPW           0x4000    /* GPHY low power state interrupt */
+#define  ISR_RX_PKT             0x10000   /* One packet received, triggered by RFD */
+#define  ISR_TX_PKT             0x20000   /* One packet transmitted, triggered by TPD */
+#define  ISR_TX_DMA             0x40000
+#define  ISR_RX_PKT_1           0x80000
+#define  ISR_RX_PKT_2           0x100000
+#define  ISR_RX_PKT_3           0x200000
+#define  ISR_MAC_RX             0x400000
+#define  ISR_MAC_TX             0x800000
+#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 IMR_NORMAL_MASK (\
+                ISR_SMB         |\
+                ISR_TXF_UN      |\
+                ISR_HW_RXF_OV   |\
+                ISR_HOST_RXF0_OV|\
+                ISR_MANUAL      |\
+                ISR_GPHY        |\
+                ISR_GPHY_LPW    |\
+                ISR_DMAR_TO_RST |\
+                ISR_DMAW_TO_RST |\
+                ISR_PHY_LINKDOWN|\
+                ISR_RX_PKT      |\
+                ISR_TX_PKT)
+
+#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT)
+#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT)
+
+#define REG_MAC_RX_STATUS_BIN 0x1700
+#define REG_MAC_RX_STATUS_END 0x175c
+#define REG_MAC_TX_STATUS_BIN 0x1760
+#define REG_MAC_TX_STATUS_END 0x17c0
+
+/* Hardware Offset Register */
+#define REG_HOST_RXF0_PAGEOFF 0x1800
+#define REG_TPD_CONS_IDX      0x1804
+#define REG_HOST_RXF1_PAGEOFF 0x1808
+#define REG_HOST_RXF2_PAGEOFF 0x180C
+#define REG_HOST_RXF3_PAGEOFF 0x1810
+
+/* RXF-Page 0-3 Offset DMA Address */
+#define REG_HOST_RXF0_MB0_LO  0x1820
+#define REG_HOST_RXF0_MB1_LO  0x1824
+#define REG_HOST_RXF1_MB0_LO  0x1828
+#define REG_HOST_RXF1_MB1_LO  0x182C
+#define REG_HOST_RXF2_MB0_LO  0x1830
+#define REG_HOST_RXF2_MB1_LO  0x1834
+#define REG_HOST_RXF3_MB0_LO  0x1838
+#define REG_HOST_RXF3_MB1_LO  0x183C
+
+/* Tpd CMB DMA Address */
+#define REG_HOST_TX_CMB_LO    0x1840
+#define REG_HOST_SMB_ADDR_LO  0x1844
+
+/* DEBUG ADDR */
+#define REG_DEBUG_DATA0 0x1900
+#define REG_DEBUG_DATA1 0x1904
+
+/***************************** MII definition ***************************************/
+/* PHY Common Register */
+#define MII_BMCR                        0x00
+#define MII_BMSR                        0x01
+#define MII_PHYSID1                     0x02
+#define MII_PHYSID2                     0x03
+#define MII_ADVERTISE                   0x04
+#define MII_LPA                         0x05
+#define MII_EXPANSION                   0x06
+#define MII_AT001_CR                    0x09
+#define MII_AT001_SR                    0x0A
+#define MII_AT001_ESR                   0x0F
+#define MII_AT001_PSCR                  0x10
+#define MII_AT001_PSSR                  0x11
+#define MII_INT_CTRL                    0x12
+#define MII_INT_STATUS                  0x13
+#define MII_SMARTSPEED                  0x14
+#define MII_RERRCOUNTER                 0x15
+#define MII_SREVISION                   0x16
+#define MII_RESV1                       0x17
+#define MII_LBRERROR                    0x18
+#define MII_PHYADDR                     0x19
+#define MII_RESV2                       0x1a
+#define MII_TPISTATUS                   0x1b
+#define MII_NCONFIG                     0x1c
+
+#define MII_DBG_ADDR                    0x1D
+#define MII_DBG_DATA                    0x1E
+
+
+/* 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  /* Extended 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. status 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  /* indicates 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 Direction bit */
+#define MII_AR_REMOTE_FAULT                     0x2000  /* Remote Fault detected */
+#define MII_AR_NEXT_PAGE                        0x8000  /* Next Page ability supported */
+#define MII_AR_SPEED_MASK                       0x01E0
+#define MII_AR_DEFAULT_CAP_MASK                 0x0DE0
+
+/* 1000BASE-T Control Register */
+#define MII_AT001_CR_1000T_HD_CAPS              0x0100  /* Advertise 1000T HD capability */
+#define MII_AT001_CR_1000T_FD_CAPS              0x0200  /* Advertise 1000T FD capability  */
+#define MII_AT001_CR_1000T_REPEATER_DTE         0x0400  /* 1=Repeater/switch device port */
+/* 0=DTE device */
+#define MII_AT001_CR_1000T_MS_VALUE             0x0800  /* 1=Configure PHY as Master */
+/* 0=Configure PHY as Slave */
+#define MII_AT001_CR_1000T_MS_ENABLE            0x1000  /* 1=Master/Slave manual config value */
+/* 0=Automatic Master/Slave config */
+#define MII_AT001_CR_1000T_TEST_MODE_NORMAL     0x0000  /* Normal Operation */
+#define MII_AT001_CR_1000T_TEST_MODE_1          0x2000  /* Transmit Waveform test */
+#define MII_AT001_CR_1000T_TEST_MODE_2          0x4000  /* Master Transmit Jitter test */
+#define MII_AT001_CR_1000T_TEST_MODE_3          0x6000  /* Slave Transmit Jitter test */
+#define MII_AT001_CR_1000T_TEST_MODE_4          0x8000  /* Transmitter Distortion test */
+#define MII_AT001_CR_1000T_SPEED_MASK           0x0300
+#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK     0x0300
+
+/* 1000BASE-T Status Register */
+#define MII_AT001_SR_1000T_LP_HD_CAPS           0x0400  /* LP is 1000T HD capable */
+#define MII_AT001_SR_1000T_LP_FD_CAPS           0x0800  /* LP is 1000T FD capable */
+#define MII_AT001_SR_1000T_REMOTE_RX_STATUS     0x1000  /* Remote receiver OK */
+#define MII_AT001_SR_1000T_LOCAL_RX_STATUS      0x2000  /* Local receiver OK */
+#define MII_AT001_SR_1000T_MS_CONFIG_RES        0x4000  /* 1=Local TX is Master, 0=Slave */
+#define MII_AT001_SR_1000T_MS_CONFIG_FAULT      0x8000  /* Master/Slave config fault */
+#define MII_AT001_SR_1000T_REMOTE_RX_STATUS_SHIFT   12
+#define MII_AT001_SR_1000T_LOCAL_RX_STATUS_SHIFT    13
+
+/* Extended Status Register */
+#define MII_AT001_ESR_1000T_HD_CAPS             0x1000  /* 1000T HD capable */
+#define MII_AT001_ESR_1000T_FD_CAPS             0x2000  /* 1000T FD capable */
+#define MII_AT001_ESR_1000X_HD_CAPS             0x4000  /* 1000X HD capable */
+#define MII_AT001_ESR_1000X_FD_CAPS             0x8000  /* 1000X FD capable */
+
+/* AT001 PHY Specific Control Register */
+#define MII_AT001_PSCR_JABBER_DISABLE           0x0001  /* 1=Jabber Function disabled */
+#define MII_AT001_PSCR_POLARITY_REVERSAL        0x0002  /* 1=Polarity Reversal enabled */
+#define MII_AT001_PSCR_SQE_TEST                 0x0004  /* 1=SQE Test enabled */
+#define MII_AT001_PSCR_MAC_POWERDOWN            0x0008
+#define MII_AT001_PSCR_CLK125_DISABLE           0x0010  /* 1=CLK125 low,
+                                                         * 0=CLK125 toggling
+                                                         */
+#define MII_AT001_PSCR_MDI_MANUAL_MODE          0x0000  /* MDI Crossover Mode bits 6:5 */
+/* Manual MDI configuration */
+#define MII_AT001_PSCR_MDIX_MANUAL_MODE         0x0020  /* Manual MDIX configuration */
+#define MII_AT001_PSCR_AUTO_X_1000T             0x0040  /* 1000BASE-T: Auto crossover,
+                                                         *  100BASE-TX/10BASE-T:
+                                                         *  MDI Mode
+                                                         */
+#define MII_AT001_PSCR_AUTO_X_MODE              0x0060  /* Auto crossover enabled
+                                                         * all speeds.
+                                                         */
+#define MII_AT001_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_AT001_PSCR_MII_5BIT_ENABLE          0x0100
+/* 1=5-Bit interface in 100BASE-TX
+ * 0=MII interface in 100BASE-TX */
+#define MII_AT001_PSCR_SCRAMBLER_DISABLE        0x0200  /* 1=Scrambler disable */
+#define MII_AT001_PSCR_FORCE_LINK_GOOD          0x0400  /* 1=Force link good */
+#define MII_AT001_PSCR_ASSERT_CRS_ON_TX         0x0800  /* 1=Assert CRS on Transmit */
+#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT    1
+#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT          5
+#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
+/* AT001 PHY Specific Status Register */
+#define MII_AT001_PSSR_SPD_DPLX_RESOLVED        0x0800  /* 1=Speed & Duplex resolved */
+#define MII_AT001_PSSR_DPLX                     0x2000  /* 1=Duplex 0=Half Duplex */
+#define MII_AT001_PSSR_SPEED                    0xC000  /* Speed, bits 14:15 */
+#define MII_AT001_PSSR_10MBS                    0x0000  /* 00=10Mbs */
+#define MII_AT001_PSSR_100MBS                   0x4000  /* 01=100Mbs */
+#define MII_AT001_PSSR_1000MBS                  0x8000  /* 10=1000Mbs */
+
+#endif /*_ATHL1E_HW_H_*/
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
new file mode 100644
index 000000000000..367c72750635
--- /dev/null
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -0,0 +1,2599 @@
+/*
+ * 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 struct pci_device_id atl1e_pci_tbl[] = {
+        {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)},
+        /* 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 inline 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;
+        struct pci_dev    *pdev   = adapter->pdev;
+        int err = 0;
+        u16 speed, duplex, phy_data;
+
+        /* MII_BMSR must read twise */
+        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);
+                        dev_info(&pdev->dev,
+                                "%s: %s NIC Link is Up<%d Mbps %s>\n",
+                                atl1e_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;
+}
+
+/*
+ * 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;
+        struct pci_dev    *pdev   = adapter->pdev;
+        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 */
+                        dev_info(&pdev->dev, "%s: %s NIC Link is Down\n",
+                                        atl1e_driver_name, netdev->name);
+                        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 dev_mc_list *mc_ptr;
+        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 */
+        for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) {
+                hash_value = atl1e_hash_mc_addr(hw, mc_ptr->dmi_addr);
+                atl1e_hash_set(hw, hash_value);
+        }
+}
+
+static void atl1e_vlan_rx_register(struct net_device *netdev,
+                                   struct vlan_group *grp)
+{
+        struct atl1e_adapter *adapter = netdev_priv(netdev);
+        struct pci_dev *pdev = adapter->pdev;
+        u32 mac_ctrl_data = 0;
+
+        dev_dbg(&pdev->dev, "atl1e_vlan_rx_register\n");
+
+        atl1e_irq_disable(adapter);
+
+        adapter->vlgrp = grp;
+        mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL);
+
+        if (grp) {
+                /* 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;
+        }
+
+        AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data);
+        atl1e_irq_enable(adapter);
+}
+
+static void atl1e_restore_vlan(struct atl1e_adapter *adapter)
+{
+        struct pci_dev *pdev = adapter->pdev;
+
+        dev_dbg(&pdev->dev, "atl1e_restore_vlan !");
+        atl1e_vlan_rx_register(adapter->netdev, adapter->vlgrp);
+}
+/*
+ * 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;
+}
+
+/*
+ * 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)) {
+                dev_warn(&adapter->pdev->dev, "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 pci_dev *pdev = adapter->pdev;
+        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 (!capable(CAP_NET_ADMIN)) {
+                        retval = -EPERM;
+                        goto out;
+                }
+                if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
+                                    &data->val_out)) {
+                        retval = -EIO;
+                        goto out;
+                }
+                break;
+
+        case SIOCSMIIREG:
+                if (!capable(CAP_NET_ADMIN)) {
+                        retval = -EPERM;
+                        goto out;
+                }
+                if (data->reg_num & ~(0x1F)) {
+                        retval = -EFAULT;
+                        goto out;
+                }
+
+                dev_dbg(&pdev->dev, "<atl1e_mii_ioctl> write %x %x",
+                                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;
+
+        pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
+        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)) {
+                dev_err(&pdev->dev, "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) {
+                        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_tx_ring *tx_ring = NULL;
+        struct atl1e_rx_ring *rx_ring = NULL;
+
+        tx_ring = &adapter->tx_ring;
+        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);
+
+        return;
+}
+
+/*
+ * 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) {
+                dev_err(&pdev->dev, "pci_alloc_consistent failed, "
+                                    "size = D%d", 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 = (struct atl1e_tpd_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) {
+                dev_err(&pdev->dev, "kzalloc failed , size = D%d", 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     = (u32 *)(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)) {
+                dev_err(&pdev->dev, "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);
+
+        return;
+}
+
+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(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(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);
+        return;
+}
+
+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);
+        return;
+}
+
+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);
+        return;
+}
+
+static inline 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);
+
+        if (adapter->vlgrp)
+                value |= MAC_CTRL_RMV_VLAN;
+
+        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;
+        struct pci_dev *pdev = adapter->pdev;
+
+        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)) {
+                dev_err(&pdev->dev, "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 = &adapter->net_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 &adapter->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) {
+                        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 pci_dev *pdev = adapter->pdev;
+        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) {
+                        dev_err(&pdev->dev,
+                                "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)) {
+                        dev_err(&pdev->dev,
+                                "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)) {
+                        adapter->net_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(netif_rx_schedule_prep(netdev,
+                                   &adapter->napi)))
+                                __netif_rx_schedule(netdev, &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->ip_summed = CHECKSUM_NONE;
+        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 pci_dev *pdev = adapter->pdev;
+        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) {
+                                dev_err(&pdev->dev,
+                                        "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*/
+                                        dev_err(&pdev->dev,
+                                                "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(netdev,
+                                               packet_size + NET_IP_ALIGN);
+                        if (skb == NULL) {
+                                dev_warn(&pdev->dev, "%s: Memory squeeze,"
+                                        "deferring packet.\n", netdev->name);
+                                goto skip_pkt;
+                        }
+                        skb_reserve(skb, NET_IP_ALIGN);
+                        skb->dev = netdev;
+                        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 (unlikely(adapter->vlgrp &&
+                                (prrs->pkt_flag & RRS_IS_VLAN_TAG))) {
+                                u16 vlan_tag = (prrs->vtag >> 4) |
+                                               ((prrs->vtag & 7) << 13) |
+                                               ((prrs->vtag & 8) << 9);
+                                dev_dbg(&pdev->dev,
+                                        "RXD VLAN TAG<RRD>=0x%04x\n",
+                                        prrs->vtag);
+                                vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
+                                                         vlan_tag);
+                        } else {
+                                netif_receive_skb(skb);
+                        }
+
+                        netdev->last_rx = jiffies;
+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);
+        struct net_device *netdev  = adapter->netdev;
+        struct pci_dev    *pdev    = adapter->pdev;
+        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:
+                netif_rx_complete(netdev, 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);
+                        dev_err(&pdev->dev,
+                                "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 == ntohs(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)
+{
+        struct pci_dev *pdev = adapter->pdev;
+        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 */
+                                dev_warn(&pdev->dev,
+                                      "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;
+                }
+
+                if (offload_type & SKB_GSO_TCPV6) {
+                        real_len = (((unsigned char *)ipv6_hdr(skb) - skb->data)
+                                        + ntohs(ipv6_hdr(skb)->payload_len));
+                        if (real_len < skb->len)
+                                pskb_trim(skb, real_len);
+
+                        /* check payload == 0 byte ? */
+                        hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb));
+                        if (unlikely(skb->len == hdr_len)) {
+                                /* only xsum need */
+                                dev_warn(&pdev->dev,
+                                        "IPV6 tso with zero data??\n");
+                                goto check_sum;
+                        } else {
+                                tcp_hdr(skb)->check = ~csum_ipv6_magic(
+                                                &ipv6_hdr(skb)->saddr,
+                                                &ipv6_hdr(skb)->daddr,
+                                                0, IPPROTO_TCP, 0);
+                                tpd->word3 |= 1 << TPD_IP_VERSION_SHIFT;
+                                hdr_len >>= 1;
+                                tpd->word3 |= (hdr_len & TPD_V6_IPHLLO_MASK) <<
+                                        TPD_V6_IPHLLO_SHIFT;
+                                tpd->word3 |= ((hdr_len >> 3) &
+                                        TPD_V6_IPHLHI_MASK) <<
+                                        TPD_V6_IPHLHI_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_transport_offset(skb);
+                if (unlikely(cso & 0x1)) {
+                        dev_err(&adapter->pdev->dev,
+                           "pay load 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->len - skb->data_len;
+        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);
+                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);
+                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);
+                        if (tx_buffer->skb)
+                                BUG();
+
+                        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);
+                        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 int 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 (unlikely(adapter->vlgrp && 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 == ntohs(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;
+        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) {
+                dev_dbg(&pdev->dev,
+                        "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) {
+                dev_dbg(&pdev->dev,
+                        "Unable to allocate interrupt Error: %d\n", err);
+                if (adapter->have_msi)
+                        pci_disable_msi(adapter->pdev);
+                return err;
+        }
+        dev_dbg(&pdev->dev, "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);
+
+#ifdef NETIF_F_LLTX
+        netif_stop_queue(netdev);
+#else
+        netif_tx_disable(netdev);
+#endif
+
+        /* 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;
+}
+
+#ifdef CONFIG_PM
+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 = MII_AR_10T_HD_CAPS;
+
+                if ((atl1e_write_phy_reg(hw, MII_AT001_CR, 0) != 0) ||
+                    (atl1e_write_phy_reg(hw,
+                           MII_ADVERTISE, mii_advertise_data) != 0) ||
+                    (atl1e_phy_commit(hw)) != 0) {
+                        dev_dbg(&pdev->dev, "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)
+                                        dev_dbg(&pdev->dev,
+                                                "%s: Link may change"
+                                                "when suspend\n",
+                                                atl1e_driver_name);
+                        }
+                        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) {
+                                dev_dbg(&pdev->dev, "%s: read write phy "
+                                                  "register failed.\n",
+                                                  atl1e_driver_name);
+                                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);
+
+                if (adapter->vlgrp)
+                        mac_ctrl_data |= MAC_CTRL_RMV_VLAN;
+
+                /* magic packet maybe Broadcast&multicast&Unicast frame */
+                if (wufc & AT_WUFC_MAG)
+                        mac_ctrl_data |= MAC_CTRL_BC_EN;
+
+                dev_dbg(&pdev->dev,
+                        "%s: suspend MAC=0x%x\n",
+                        atl1e_driver_name, 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;
+}
+
+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) {
+                dev_err(&pdev->dev, "ATL1e: 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 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->open = &atl1e_open;
+        netdev->stop = &atl1e_close;
+        netdev->hard_start_xmit = &atl1e_xmit_frame;
+        netdev->get_stats = &atl1e_get_stats;
+        netdev->set_multicast_list = &atl1e_set_multi;
+        netdev->set_mac_address = &atl1e_set_mac_addr;
+        netdev->change_mtu = &atl1e_change_mtu;
+        netdev->do_ioctl = &atl1e_ioctl;
+        netdev->tx_timeout = &atl1e_tx_timeout;
+        netdev->watchdog_timeo = AT_TX_WATCHDOG;
+        netdev->vlan_rx_register = atl1e_vlan_rx_register;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        netdev->poll_controller = atl1e_netpoll;
+#endif
+        atl1e_set_ethtool_ops(netdev);
+
+        netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM |
+                NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+        netdev->features |= NETIF_F_LLTX;
+        netdev->features |= NETIF_F_TSO;
+        netdev->features |= NETIF_F_TSO6;
+
+        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_32BIT_MASK) != 0) ||
+            (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) != 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) {
+                dev_err(&pdev->dev, "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;
+                dev_err(&pdev->dev, "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) {
+                dev_err(&pdev->dev, "net device private data init failed\n");
+                goto err_sw_init;
+        }
+
+        /* Init GPHY as early as possible due to power saving issue  */
+        spin_lock(&adapter->mdio_lock);
+        atl1e_phy_init(&adapter->hw);
+        spin_unlock(&adapter->mdio_lock);
+        /* 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;
+                dev_err(&pdev->dev, "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);
+        dev_dbg(&pdev->dev, "mac address : %02x-%02x-%02x-%02x-%02x-%02x\n",
+                        adapter->hw.mac_addr[0], adapter->hw.mac_addr[1],
+                        adapter->hw.mac_addr[2], adapter->hw.mac_addr[3],
+                        adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]);
+
+        INIT_WORK(&adapter->reset_task, atl1e_reset_task);
+        INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
+        err = register_netdev(netdev);
+        if (err) {
+                dev_err(&pdev->dev, "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;
+
+        netif_device_detach(netdev);
+
+        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;
+
+        if (pci_enable_device(pdev)) {
+                dev_err(&pdev->dev,
+                       "ATL1e: 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;
+
+        if (netif_running(netdev)) {
+                if (atl1e_up(adapter)) {
+                        dev_err(&pdev->dev,
+                          "ATL1e: 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 Managment 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);
diff --git a/drivers/net/atl1e/atl1e_param.c b/drivers/net/atl1e/atl1e_param.c
new file mode 100644
index 000000000000..f72abb34b0cd
--- /dev/null
+++ b/drivers/net/atl1e/atl1e_param.c
@@ -0,0 +1,263 @@
+/*
+ * 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 <linux/netdevice.h>
+
+#include "atl1e.h"
+
+/* This is the only thing that needs to be changed to adjust the
+ * maximum number of ports that the driver can manage.
+ */
+
+#define ATL1E_MAX_NIC 32
+
+#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 ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET }
+
+#define ATL1E_PARAM(x, desc) \
+        static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \
+        static int num_##x; \
+        module_param_array_named(x, x, int, &num_##x, 0); \
+        MODULE_PARM_DESC(x, desc);
+
+/* Transmit Memory count
+ *
+ * Valid Range: 64-2048
+ *
+ * Default Value: 128
+ */
+#define ATL1E_MIN_TX_DESC_CNT           32
+#define ATL1E_MAX_TX_DESC_CNT           1020
+#define ATL1E_DEFAULT_TX_DESC_CNT       128
+ATL1E_PARAM(tx_desc_cnt, "Transmit description count");
+
+/* Receive Memory Block Count
+ *
+ * Valid Range: 16-512
+ *
+ * Default Value: 128
+ */
+#define ATL1E_MIN_RX_MEM_SIZE           8    /* 8KB   */
+#define ATL1E_MAX_RX_MEM_SIZE           1024 /* 1MB   */
+#define ATL1E_DEFAULT_RX_MEM_SIZE       256  /* 128KB */
+ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)");
+
+/* User Specified MediaType Override
+ *
+ * Valid Range: 0-5
+ *  - 0    - auto-negotiate at all supported speeds
+ *  - 1    - only link at 100Mbps Full Duplex
+ *  - 2    - only link at 100Mbps Half Duplex
+ *  - 3    - only link at 10Mbps Full Duplex
+ *  - 4    - only link at 10Mbps Half Duplex
+ * Default Value: 0
+ */
+
+ATL1E_PARAM(media_type, "MediaType Select");
+
+/* Interrupt Moderate Timer in units of 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
+ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer");
+
+#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 atl1e_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 atl1e_opt_list { int i; char *str; } *p;
+                } l;
+        } arg;
+};
+
+static int __devinit atl1e_validate_option(int *value, struct atl1e_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 atl1e_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:
+                BUG();
+        }
+
+        dev_info(&pdev->dev, "Invalid %s specified (%i) %s\n",
+                        opt->name, *value, opt->err);
+        *value = opt->def;
+        return -1;
+}
+
+/*
+ * atl1e_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.
+ */
+void __devinit atl1e_check_options(struct atl1e_adapter *adapter)
+{
+        struct pci_dev *pdev = adapter->pdev;
+        int bd = adapter->bd_number;
+        if (bd >= ATL1E_MAX_NIC) {
+                dev_notice(&pdev->dev, "no configuration for board #%i\n", bd);
+                dev_notice(&pdev->dev, "Using defaults for all values\n");
+        }
+
+        {               /* Transmit Ring Size */
+                struct atl1e_option opt = {
+                        .type = range_option,
+                        .name = "Transmit Ddescription Count",
+                        .err  = "using default of "
+                                __MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT),
+                        .def  = ATL1E_DEFAULT_TX_DESC_CNT,
+                        .arg  = { .r = { .min = ATL1E_MIN_TX_DESC_CNT,
+                                         .max = ATL1E_MAX_TX_DESC_CNT} }
+                };
+                int val;
+                if (num_tx_desc_cnt > bd) {
+                        val = tx_desc_cnt[bd];
+                        atl1e_validate_option(&val, &opt, pdev);
+                        adapter->tx_ring.count = (u16) val & 0xFFFC;
+                } else
+                        adapter->tx_ring.count = (u16)opt.def;
+        }
+
+        {               /* Receive Memory Block Count */
+                struct atl1e_option opt = {
+                        .type = range_option,
+                        .name = "Memory size of rx buffer(KB)",
+                        .err  = "using default of "
+                                __MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE),
+                        .def  = ATL1E_DEFAULT_RX_MEM_SIZE,
+                        .arg  = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE,
+                                         .max = ATL1E_MAX_RX_MEM_SIZE} }
+                };
+                int val;
+                if (num_rx_mem_size > bd) {
+                        val = rx_mem_size[bd];
+                        atl1e_validate_option(&val, &opt, pdev);
+                        adapter->rx_ring.page_size = (u32)val * 1024;
+                } else {
+                        adapter->rx_ring.page_size = (u32)opt.def * 1024;
+                }
+        }
+
+        {               /* Interrupt Moderate Timer */
+                struct atl1e_option opt = {
+                        .type = range_option,
+                        .name = "Interrupt Moderate Timer",
+                        .err  = "using default of "
+                                __MODULE_STRING(INT_MOD_DEFAULT_CNT),
+                        .def  = INT_MOD_DEFAULT_CNT,
+                        .arg  = { .r = { .min = INT_MOD_MIN_CNT,
+                                         .max = INT_MOD_MAX_CNT} }
+                } ;
+                int val;
+                if (num_int_mod_timer > bd) {
+                        val = int_mod_timer[bd];
+                        atl1e_validate_option(&val, &opt, pdev);
+                        adapter->hw.imt = (u16) val;
+                } else
+                        adapter->hw.imt = (u16)(opt.def);
+        }
+
+        {               /* MediaType */
+                struct atl1e_option opt = {
+                        .type = range_option,
+                        .name = "Speed/Duplex Selection",
+                        .err  = "using default of "
+                                __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR),
+                        .def  = MEDIA_TYPE_AUTO_SENSOR,
+                        .arg  = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR,
+                                         .max = MEDIA_TYPE_10M_HALF} }
+                } ;
+                int val;
+                if (num_media_type > bd) {
+                        val = media_type[bd];
+                        atl1e_validate_option(&val, &opt, pdev);
+                        adapter->hw.media_type = (u16) val;
+                } else
+                        adapter->hw.media_type = (u16)(opt.def);
+
+        }
+}