LXR linux/drivers/net/e1000e/hw.h

   1/*******************************************************************************
   2
   3  Intel PRO/1000 Linux driver
   4  Copyright(c) 1999 - 2011 Intel Corporation.
   5
   6  This program is free software; you can redistribute it and/or modify it
   7  under the terms and conditions of the GNU General Public License,
   8  version 2, as published by the Free Software Foundation.
   9
  10  This program is distributed in the hope it will be useful, but WITHOUT
  11  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  more details.
  14
  15  You should have received a copy of the GNU General Public License along with
  16  this program; if not, write to the Free Software Foundation, Inc.,
  17  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19  The full GNU General Public License is included in this distribution in
  20  the file called "COPYING".
  21
  22  Contact Information:
  23  Linux NICS <linux.nics@intel.com>
  24  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27*******************************************************************************/
  28
  29#ifndef _E1000_HW_H_
  30#define _E1000_HW_H_
  31
  32#include <linux/types.h>
  33
  34struct e1000_hw;
  35struct e1000_adapter;
  36
  37#include "defines.h"
  38
  39#define er32(reg)       __er32(hw, E1000_##reg)
  40#define ew32(reg,val)   __ew32(hw, E1000_##reg, (val))
  41#define e1e_flush()     er32(STATUS)
  42
  43#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) \
  44        (writel((value), ((a)->hw_addr + reg + ((offset) << 2))))
  45
  46#define E1000_READ_REG_ARRAY(a, reg, offset) \
  47        (readl((a)->hw_addr + reg + ((offset) << 2)))
  48
  49enum e1e_registers {
  50        E1000_CTRL     = 0x00000, /* Device Control - RW */
  51        E1000_STATUS   = 0x00008, /* Device Status - RO */
  52        E1000_EECD     = 0x00010, /* EEPROM/Flash Control - RW */
  53        E1000_EERD     = 0x00014, /* EEPROM Read - RW */
  54        E1000_CTRL_EXT = 0x00018, /* Extended Device Control - RW */
  55        E1000_FLA      = 0x0001C, /* Flash Access - RW */
  56        E1000_MDIC     = 0x00020, /* MDI Control - RW */
  57        E1000_SCTL     = 0x00024, /* SerDes Control - RW */
  58        E1000_FCAL     = 0x00028, /* Flow Control Address Low - RW */
  59        E1000_FCAH     = 0x0002C, /* Flow Control Address High -RW */
  60        E1000_FEXTNVM4 = 0x00024, /* Future Extended NVM 4 - RW */
  61        E1000_FEXTNVM  = 0x00028, /* Future Extended NVM - RW */
  62        E1000_FCT      = 0x00030, /* Flow Control Type - RW */
  63        E1000_VET      = 0x00038, /* VLAN Ether Type - RW */
  64        E1000_ICR      = 0x000C0, /* Interrupt Cause Read - R/clr */
  65        E1000_ITR      = 0x000C4, /* Interrupt Throttling Rate - RW */
  66        E1000_ICS      = 0x000C8, /* Interrupt Cause Set - WO */
  67        E1000_IMS      = 0x000D0, /* Interrupt Mask Set - RW */
  68        E1000_IMC      = 0x000D8, /* Interrupt Mask Clear - WO */
  69        E1000_EIAC_82574 = 0x000DC, /* Ext. Interrupt Auto Clear - RW */
  70        E1000_IAM      = 0x000E0, /* Interrupt Acknowledge Auto Mask */
  71        E1000_IVAR     = 0x000E4, /* Interrupt Vector Allocation - RW */
  72        E1000_EITR_82574_BASE = 0x000E8, /* Interrupt Throttling - RW */
  73#define E1000_EITR_82574(_n) (E1000_EITR_82574_BASE + (_n << 2))
  74        E1000_RCTL     = 0x00100, /* Rx Control - RW */
  75        E1000_FCTTV    = 0x00170, /* Flow Control Transmit Timer Value - RW */
  76        E1000_TXCW     = 0x00178, /* Tx Configuration Word - RW */
  77        E1000_RXCW     = 0x00180, /* Rx Configuration Word - RO */
  78        E1000_TCTL     = 0x00400, /* Tx Control - RW */
  79        E1000_TCTL_EXT = 0x00404, /* Extended Tx Control - RW */
  80        E1000_TIPG     = 0x00410, /* Tx Inter-packet gap -RW */
  81        E1000_AIT      = 0x00458, /* Adaptive Interframe Spacing Throttle -RW */
  82        E1000_LEDCTL   = 0x00E00, /* LED Control - RW */
  83        E1000_EXTCNF_CTRL  = 0x00F00, /* Extended Configuration Control */
  84        E1000_EXTCNF_SIZE  = 0x00F08, /* Extended Configuration Size */
  85        E1000_PHY_CTRL     = 0x00F10, /* PHY Control Register in CSR */
  86#define E1000_POEMB     E1000_PHY_CTRL  /* PHY OEM Bits */
  87        E1000_PBA      = 0x01000, /* Packet Buffer Allocation - RW */
  88        E1000_PBS      = 0x01008, /* Packet Buffer Size */
  89        E1000_EEMNGCTL = 0x01010, /* MNG EEprom Control */
  90        E1000_EEWR     = 0x0102C, /* EEPROM Write Register - RW */
  91        E1000_FLOP     = 0x0103C, /* FLASH Opcode Register */
  92        E1000_PBA_ECC  = 0x01100, /* PBA ECC Register */
  93        E1000_ERT      = 0x02008, /* Early Rx Threshold - RW */
  94        E1000_FCRTL    = 0x02160, /* Flow Control Receive Threshold Low - RW */
  95        E1000_FCRTH    = 0x02168, /* Flow Control Receive Threshold High - RW */
  96        E1000_PSRCTL   = 0x02170, /* Packet Split Receive Control - RW */
  97        E1000_RDBAL    = 0x02800, /* Rx Descriptor Base Address Low - RW */
  98        E1000_RDBAH    = 0x02804, /* Rx Descriptor Base Address High - RW */
  99        E1000_RDLEN    = 0x02808, /* Rx Descriptor Length - RW */
 100        E1000_RDH      = 0x02810, /* Rx Descriptor Head - RW */
 101        E1000_RDT      = 0x02818, /* Rx Descriptor Tail - RW */
 102        E1000_RDTR     = 0x02820, /* Rx Delay Timer - RW */
 103        E1000_RXDCTL_BASE = 0x02828, /* Rx Descriptor Control - RW */
 104#define E1000_RXDCTL(_n)   (E1000_RXDCTL_BASE + (_n << 8))
 105        E1000_RADV     = 0x0282C, /* Rx Interrupt Absolute Delay Timer - RW */
 106
 107/* Convenience macros
 108 *
 109 * Note: "_n" is the queue number of the register to be written to.
 110 *
 111 * Example usage:
 112 * E1000_RDBAL_REG(current_rx_queue)
 113 *
 114 */
 115#define E1000_RDBAL_REG(_n)   (E1000_RDBAL + (_n << 8))
 116        E1000_KABGTXD  = 0x03004, /* AFE Band Gap Transmit Ref Data */
 117        E1000_TDBAL    = 0x03800, /* Tx Descriptor Base Address Low - RW */
 118        E1000_TDBAH    = 0x03804, /* Tx Descriptor Base Address High - RW */
 119        E1000_TDLEN    = 0x03808, /* Tx Descriptor Length - RW */
 120        E1000_TDH      = 0x03810, /* Tx Descriptor Head - RW */
 121        E1000_TDT      = 0x03818, /* Tx Descriptor Tail - RW */
 122        E1000_TIDV     = 0x03820, /* Tx Interrupt Delay Value - RW */
 123        E1000_TXDCTL_BASE = 0x03828, /* Tx Descriptor Control - RW */
 124#define E1000_TXDCTL(_n)   (E1000_TXDCTL_BASE + (_n << 8))
 125        E1000_TADV     = 0x0382C, /* Tx Interrupt Absolute Delay Val - RW */
 126        E1000_TARC_BASE = 0x03840, /* Tx Arbitration Count (0) */
 127#define E1000_TARC(_n)   (E1000_TARC_BASE + (_n << 8))
 128        E1000_CRCERRS  = 0x04000, /* CRC Error Count - R/clr */
 129        E1000_ALGNERRC = 0x04004, /* Alignment Error Count - R/clr */
 130        E1000_SYMERRS  = 0x04008, /* Symbol Error Count - R/clr */
 131        E1000_RXERRC   = 0x0400C, /* Receive Error Count - R/clr */
 132        E1000_MPC      = 0x04010, /* Missed Packet Count - R/clr */
 133        E1000_SCC      = 0x04014, /* Single Collision Count - R/clr */
 134        E1000_ECOL     = 0x04018, /* Excessive Collision Count - R/clr */
 135        E1000_MCC      = 0x0401C, /* Multiple Collision Count - R/clr */
 136        E1000_LATECOL  = 0x04020, /* Late Collision Count - R/clr */
 137        E1000_COLC     = 0x04028, /* Collision Count - R/clr */
 138        E1000_DC       = 0x04030, /* Defer Count - R/clr */
 139        E1000_TNCRS    = 0x04034, /* Tx-No CRS - R/clr */
 140        E1000_SEC      = 0x04038, /* Sequence Error Count - R/clr */
 141        E1000_CEXTERR  = 0x0403C, /* Carrier Extension Error Count - R/clr */
 142        E1000_RLEC     = 0x04040, /* Receive Length Error Count - R/clr */
 143        E1000_XONRXC   = 0x04048, /* XON Rx Count - R/clr */
 144        E1000_XONTXC   = 0x0404C, /* XON Tx Count - R/clr */
 145        E1000_XOFFRXC  = 0x04050, /* XOFF Rx Count - R/clr */
 146        E1000_XOFFTXC  = 0x04054, /* XOFF Tx Count - R/clr */
 147        E1000_FCRUC    = 0x04058, /* Flow Control Rx Unsupported Count- R/clr */
 148        E1000_PRC64    = 0x0405C, /* Packets Rx (64 bytes) - R/clr */
 149        E1000_PRC127   = 0x04060, /* Packets Rx (65-127 bytes) - R/clr */
 150        E1000_PRC255   = 0x04064, /* Packets Rx (128-255 bytes) - R/clr */
 151        E1000_PRC511   = 0x04068, /* Packets Rx (255-511 bytes) - R/clr */
 152        E1000_PRC1023  = 0x0406C, /* Packets Rx (512-1023 bytes) - R/clr */
 153        E1000_PRC1522  = 0x04070, /* Packets Rx (1024-1522 bytes) - R/clr */
 154        E1000_GPRC     = 0x04074, /* Good Packets Rx Count - R/clr */
 155        E1000_BPRC     = 0x04078, /* Broadcast Packets Rx Count - R/clr */
 156        E1000_MPRC     = 0x0407C, /* Multicast Packets Rx Count - R/clr */
 157        E1000_GPTC     = 0x04080, /* Good Packets Tx Count - R/clr */
 158        E1000_GORCL    = 0x04088, /* Good Octets Rx Count Low - R/clr */
 159        E1000_GORCH    = 0x0408C, /* Good Octets Rx Count High - R/clr */
 160        E1000_GOTCL    = 0x04090, /* Good Octets Tx Count Low - R/clr */
 161        E1000_GOTCH    = 0x04094, /* Good Octets Tx Count High - R/clr */
 162        E1000_RNBC     = 0x040A0, /* Rx No Buffers Count - R/clr */
 163        E1000_RUC      = 0x040A4, /* Rx Undersize Count - R/clr */
 164        E1000_RFC      = 0x040A8, /* Rx Fragment Count - R/clr */
 165        E1000_ROC      = 0x040AC, /* Rx Oversize Count - R/clr */
 166        E1000_RJC      = 0x040B0, /* Rx Jabber Count - R/clr */
 167        E1000_MGTPRC   = 0x040B4, /* Management Packets Rx Count - R/clr */
 168        E1000_MGTPDC   = 0x040B8, /* Management Packets Dropped Count - R/clr */
 169        E1000_MGTPTC   = 0x040BC, /* Management Packets Tx Count - R/clr */
 170        E1000_TORL     = 0x040C0, /* Total Octets Rx Low - R/clr */
 171        E1000_TORH     = 0x040C4, /* Total Octets Rx High - R/clr */
 172        E1000_TOTL     = 0x040C8, /* Total Octets Tx Low - R/clr */
 173        E1000_TOTH     = 0x040CC, /* Total Octets Tx High - R/clr */
 174        E1000_TPR      = 0x040D0, /* Total Packets Rx - R/clr */
 175        E1000_TPT      = 0x040D4, /* Total Packets Tx - R/clr */
 176        E1000_PTC64    = 0x040D8, /* Packets Tx (64 bytes) - R/clr */
 177        E1000_PTC127   = 0x040DC, /* Packets Tx (65-127 bytes) - R/clr */
 178        E1000_PTC255   = 0x040E0, /* Packets Tx (128-255 bytes) - R/clr */
 179        E1000_PTC511   = 0x040E4, /* Packets Tx (256-511 bytes) - R/clr */
 180        E1000_PTC1023  = 0x040E8, /* Packets Tx (512-1023 bytes) - R/clr */
 181        E1000_PTC1522  = 0x040EC, /* Packets Tx (1024-1522 Bytes) - R/clr */
 182        E1000_MPTC     = 0x040F0, /* Multicast Packets Tx Count - R/clr */
 183        E1000_BPTC     = 0x040F4, /* Broadcast Packets Tx Count - R/clr */
 184        E1000_TSCTC    = 0x040F8, /* TCP Segmentation Context Tx - R/clr */
 185        E1000_TSCTFC   = 0x040FC, /* TCP Segmentation Context Tx Fail - R/clr */
 186        E1000_IAC      = 0x04100, /* Interrupt Assertion Count */
 187        E1000_ICRXPTC  = 0x04104, /* Irq Cause Rx Packet Timer Expire Count */
 188        E1000_ICRXATC  = 0x04108, /* Irq Cause Rx Abs Timer Expire Count */
 189        E1000_ICTXPTC  = 0x0410C, /* Irq Cause Tx Packet Timer Expire Count */
 190        E1000_ICTXATC  = 0x04110, /* Irq Cause Tx Abs Timer Expire Count */
 191        E1000_ICTXQEC  = 0x04118, /* Irq Cause Tx Queue Empty Count */
 192        E1000_ICTXQMTC = 0x0411C, /* Irq Cause Tx Queue MinThreshold Count */
 193        E1000_ICRXDMTC = 0x04120, /* Irq Cause Rx Desc MinThreshold Count */
 194        E1000_ICRXOC   = 0x04124, /* Irq Cause Receiver Overrun Count */
 195        E1000_RXCSUM   = 0x05000, /* Rx Checksum Control - RW */
 196        E1000_RFCTL    = 0x05008, /* Receive Filter Control */
 197        E1000_MTA      = 0x05200, /* Multicast Table Array - RW Array */
 198        E1000_RAL_BASE = 0x05400, /* Receive Address Low - RW */
 199#define E1000_RAL(_n)   (E1000_RAL_BASE + ((_n) * 8))
 200#define E1000_RA        (E1000_RAL(0))
 201        E1000_RAH_BASE = 0x05404, /* Receive Address High - RW */
 202#define E1000_RAH(_n)   (E1000_RAH_BASE + ((_n) * 8))
 203        E1000_VFTA     = 0x05600, /* VLAN Filter Table Array - RW Array */
 204        E1000_WUC      = 0x05800, /* Wakeup Control - RW */
 205        E1000_WUFC     = 0x05808, /* Wakeup Filter Control - RW */
 206        E1000_WUS      = 0x05810, /* Wakeup Status - RO */
 207        E1000_MANC     = 0x05820, /* Management Control - RW */
 208        E1000_FFLT     = 0x05F00, /* Flexible Filter Length Table - RW Array */
 209        E1000_HOST_IF  = 0x08800, /* Host Interface */
 210
 211        E1000_KMRNCTRLSTA = 0x00034, /* MAC-PHY interface - RW */
 212        E1000_MANC2H    = 0x05860, /* Management Control To Host - RW */
 213        E1000_MDEF_BASE = 0x05890, /* Management Decision Filters */
 214#define E1000_MDEF(_n)   (E1000_MDEF_BASE + ((_n) * 4))
 215        E1000_SW_FW_SYNC = 0x05B5C, /* Software-Firmware Synchronization - RW */
 216        E1000_GCR       = 0x05B00, /* PCI-Ex Control */
 217        E1000_GCR2      = 0x05B64, /* PCI-Ex Control #2 */
 218        E1000_FACTPS    = 0x05B30, /* Function Active and Power State to MNG */
 219        E1000_SWSM      = 0x05B50, /* SW Semaphore */
 220        E1000_FWSM      = 0x05B54, /* FW Semaphore */
 221        E1000_SWSM2     = 0x05B58, /* Driver-only SW semaphore */
 222        E1000_FFLT_DBG  = 0x05F04, /* Debug Register */
 223        E1000_PCH_RAICC_BASE = 0x05F50, /* Receive Address Initial CRC */
 224#define E1000_PCH_RAICC(_n)     (E1000_PCH_RAICC_BASE + ((_n) * 4))
 225#define E1000_CRC_OFFSET        E1000_PCH_RAICC_BASE
 226        E1000_HICR      = 0x08F00, /* Host Interface Control */
 227};
 228
 229#define E1000_MAX_PHY_ADDR              4
 230
 231/* IGP01E1000 Specific Registers */
 232#define IGP01E1000_PHY_PORT_CONFIG      0x10 /* Port Config */
 233#define IGP01E1000_PHY_PORT_STATUS      0x11 /* Status */
 234#define IGP01E1000_PHY_PORT_CTRL        0x12 /* Control */
 235#define IGP01E1000_PHY_LINK_HEALTH      0x13 /* PHY Link Health */
 236#define IGP02E1000_PHY_POWER_MGMT       0x19 /* Power Management */
 237#define IGP01E1000_PHY_PAGE_SELECT      0x1F /* Page Select */
 238#define BM_PHY_PAGE_SELECT              22   /* Page Select for BM */
 239#define IGP_PAGE_SHIFT                  5
 240#define PHY_REG_MASK                    0x1F
 241
 242#define BM_WUC_PAGE                     800
 243#define BM_WUC_ADDRESS_OPCODE           0x11
 244#define BM_WUC_DATA_OPCODE              0x12
 245#define BM_WUC_ENABLE_PAGE              769
 246#define BM_WUC_ENABLE_REG               17
 247#define BM_WUC_ENABLE_BIT               (1 << 2)
 248#define BM_WUC_HOST_WU_BIT              (1 << 4)
 249#define BM_WUC_ME_WU_BIT                (1 << 5)
 250
 251#define BM_WUC  PHY_REG(BM_WUC_PAGE, 1)
 252#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2)
 253#define BM_WUS  PHY_REG(BM_WUC_PAGE, 3)
 254
 255#define IGP01E1000_PHY_PCS_INIT_REG     0x00B4
 256#define IGP01E1000_PHY_POLARITY_MASK    0x0078
 257
 258#define IGP01E1000_PSCR_AUTO_MDIX       0x1000
 259#define IGP01E1000_PSCR_FORCE_MDI_MDIX  0x2000 /* 0=MDI, 1=MDIX */
 260
 261#define IGP01E1000_PSCFR_SMART_SPEED    0x0080
 262
 263#define IGP02E1000_PM_SPD               0x0001 /* Smart Power Down */
 264#define IGP02E1000_PM_D0_LPLU           0x0002 /* For D0a states */
 265#define IGP02E1000_PM_D3_LPLU           0x0004 /* For all other states */
 266
 267#define IGP01E1000_PLHR_SS_DOWNGRADE    0x8000
 268
 269#define IGP01E1000_PSSR_POLARITY_REVERSED       0x0002
 270#define IGP01E1000_PSSR_MDIX                    0x0800
 271#define IGP01E1000_PSSR_SPEED_MASK              0xC000
 272#define IGP01E1000_PSSR_SPEED_1000MBPS          0xC000
 273
 274#define IGP02E1000_PHY_CHANNEL_NUM              4
 275#define IGP02E1000_PHY_AGC_A                    0x11B1
 276#define IGP02E1000_PHY_AGC_B                    0x12B1
 277#define IGP02E1000_PHY_AGC_C                    0x14B1
 278#define IGP02E1000_PHY_AGC_D                    0x18B1
 279
 280#define IGP02E1000_AGC_LENGTH_SHIFT     9 /* Course - 15:13, Fine - 12:9 */
 281#define IGP02E1000_AGC_LENGTH_MASK      0x7F
 282#define IGP02E1000_AGC_RANGE            15
 283
 284/* manage.c */
 285#define E1000_VFTA_ENTRY_SHIFT          5
 286#define E1000_VFTA_ENTRY_MASK           0x7F
 287#define E1000_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F
 288
 289#define E1000_HICR_EN                   0x01  /* Enable bit - RO */
 290/* Driver sets this bit when done to put command in RAM */
 291#define E1000_HICR_C                    0x02
 292#define E1000_HICR_FW_RESET_ENABLE      0x40
 293#define E1000_HICR_FW_RESET             0x80
 294
 295#define E1000_FWSM_MODE_MASK            0xE
 296#define E1000_FWSM_MODE_SHIFT           1
 297
 298#define E1000_MNG_IAMT_MODE             0x3
 299#define E1000_MNG_DHCP_COOKIE_LENGTH    0x10
 300#define E1000_MNG_DHCP_COOKIE_OFFSET    0x6F0
 301#define E1000_MNG_DHCP_COMMAND_TIMEOUT  10
 302#define E1000_MNG_DHCP_TX_PAYLOAD_CMD   64
 303#define E1000_MNG_DHCP_COOKIE_STATUS_PARSING    0x1
 304#define E1000_MNG_DHCP_COOKIE_STATUS_VLAN       0x2
 305
 306/* nvm.c */
 307#define E1000_STM_OPCODE  0xDB00
 308
 309#define E1000_KMRNCTRLSTA_OFFSET        0x001F0000
 310#define E1000_KMRNCTRLSTA_OFFSET_SHIFT  16
 311#define E1000_KMRNCTRLSTA_REN           0x00200000
 312#define E1000_KMRNCTRLSTA_CTRL_OFFSET   0x1    /* Kumeran Control */
 313#define E1000_KMRNCTRLSTA_DIAG_OFFSET   0x3    /* Kumeran Diagnostic */
 314#define E1000_KMRNCTRLSTA_TIMEOUTS      0x4    /* Kumeran Timeouts */
 315#define E1000_KMRNCTRLSTA_INBAND_PARAM  0x9    /* Kumeran InBand Parameters */
 316#define E1000_KMRNCTRLSTA_IBIST_DISABLE 0x0200 /* Kumeran IBIST Disable */
 317#define E1000_KMRNCTRLSTA_DIAG_NELPBK   0x1000 /* Nearend Loopback mode */
 318#define E1000_KMRNCTRLSTA_K1_CONFIG     0x7
 319#define E1000_KMRNCTRLSTA_K1_ENABLE     0x0002
 320#define E1000_KMRNCTRLSTA_HD_CTRL       0x10   /* Kumeran HD Control */
 321
 322#define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10
 323#define IFE_PHY_SPECIAL_CONTROL         0x11 /* 100BaseTx PHY Special Control */
 324#define IFE_PHY_SPECIAL_CONTROL_LED     0x1B /* PHY Special and LED Control */
 325#define IFE_PHY_MDIX_CONTROL            0x1C /* MDI/MDI-X Control */
 326
 327/* IFE PHY Extended Status Control */
 328#define IFE_PESC_POLARITY_REVERSED      0x0100
 329
 330/* IFE PHY Special Control */
 331#define IFE_PSC_AUTO_POLARITY_DISABLE           0x0010
 332#define IFE_PSC_FORCE_POLARITY                  0x0020
 333
 334/* IFE PHY Special Control and LED Control */
 335#define IFE_PSCL_PROBE_MODE             0x0020
 336#define IFE_PSCL_PROBE_LEDS_OFF         0x0006 /* Force LEDs 0 and 2 off */
 337#define IFE_PSCL_PROBE_LEDS_ON          0x0007 /* Force LEDs 0 and 2 on */
 338
 339/* IFE PHY MDIX Control */
 340#define IFE_PMC_MDIX_STATUS     0x0020 /* 1=MDI-X, 0=MDI */
 341#define IFE_PMC_FORCE_MDIX      0x0040 /* 1=force MDI-X, 0=force MDI */
 342#define IFE_PMC_AUTO_MDIX       0x0080 /* 1=enable auto MDI/MDI-X, 0=disable */
 343
 344#define E1000_CABLE_LENGTH_UNDEFINED    0xFF
 345
 346#define E1000_DEV_ID_82571EB_COPPER             0x105E
 347#define E1000_DEV_ID_82571EB_FIBER              0x105F
 348#define E1000_DEV_ID_82571EB_SERDES             0x1060
 349#define E1000_DEV_ID_82571EB_QUAD_COPPER        0x10A4
 350#define E1000_DEV_ID_82571PT_QUAD_COPPER        0x10D5
 351#define E1000_DEV_ID_82571EB_QUAD_FIBER         0x10A5
 352#define E1000_DEV_ID_82571EB_QUAD_COPPER_LP     0x10BC
 353#define E1000_DEV_ID_82571EB_SERDES_DUAL        0x10D9
 354#define E1000_DEV_ID_82571EB_SERDES_QUAD        0x10DA
 355#define E1000_DEV_ID_82572EI_COPPER             0x107D
 356#define E1000_DEV_ID_82572EI_FIBER              0x107E
 357#define E1000_DEV_ID_82572EI_SERDES             0x107F
 358#define E1000_DEV_ID_82572EI                    0x10B9
 359#define E1000_DEV_ID_82573E                     0x108B
 360#define E1000_DEV_ID_82573E_IAMT                0x108C
 361#define E1000_DEV_ID_82573L                     0x109A
 362#define E1000_DEV_ID_82574L                     0x10D3
 363#define E1000_DEV_ID_82574LA                    0x10F6
 364#define E1000_DEV_ID_82583V                     0x150C
 365
 366#define E1000_DEV_ID_80003ES2LAN_COPPER_DPT     0x1096
 367#define E1000_DEV_ID_80003ES2LAN_SERDES_DPT     0x1098
 368#define E1000_DEV_ID_80003ES2LAN_COPPER_SPT     0x10BA
 369#define E1000_DEV_ID_80003ES2LAN_SERDES_SPT     0x10BB
 370
 371#define E1000_DEV_ID_ICH8_82567V_3              0x1501
 372#define E1000_DEV_ID_ICH8_IGP_M_AMT             0x1049
 373#define E1000_DEV_ID_ICH8_IGP_AMT               0x104A
 374#define E1000_DEV_ID_ICH8_IGP_C                 0x104B
 375#define E1000_DEV_ID_ICH8_IFE                   0x104C
 376#define E1000_DEV_ID_ICH8_IFE_GT                0x10C4
 377#define E1000_DEV_ID_ICH8_IFE_G                 0x10C5
 378#define E1000_DEV_ID_ICH8_IGP_M                 0x104D
 379#define E1000_DEV_ID_ICH9_IGP_AMT               0x10BD
 380#define E1000_DEV_ID_ICH9_BM                    0x10E5
 381#define E1000_DEV_ID_ICH9_IGP_M_AMT             0x10F5
 382#define E1000_DEV_ID_ICH9_IGP_M                 0x10BF
 383#define E1000_DEV_ID_ICH9_IGP_M_V               0x10CB
 384#define E1000_DEV_ID_ICH9_IGP_C                 0x294C
 385#define E1000_DEV_ID_ICH9_IFE                   0x10C0
 386#define E1000_DEV_ID_ICH9_IFE_GT                0x10C3
 387#define E1000_DEV_ID_ICH9_IFE_G                 0x10C2
 388#define E1000_DEV_ID_ICH10_R_BM_LM              0x10CC
 389#define E1000_DEV_ID_ICH10_R_BM_LF              0x10CD
 390#define E1000_DEV_ID_ICH10_R_BM_V               0x10CE
 391#define E1000_DEV_ID_ICH10_D_BM_LM              0x10DE
 392#define E1000_DEV_ID_ICH10_D_BM_LF              0x10DF
 393#define E1000_DEV_ID_ICH10_D_BM_V               0x1525
 394#define E1000_DEV_ID_PCH_M_HV_LM                0x10EA
 395#define E1000_DEV_ID_PCH_M_HV_LC                0x10EB
 396#define E1000_DEV_ID_PCH_D_HV_DM                0x10EF
 397#define E1000_DEV_ID_PCH_D_HV_DC                0x10F0
 398#define E1000_DEV_ID_PCH2_LV_LM                 0x1502
 399#define E1000_DEV_ID_PCH2_LV_V                  0x1503
 400
 401#define E1000_REVISION_4 4
 402
 403#define E1000_FUNC_1 1
 404
 405#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
 406#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
 407
 408enum e1000_mac_type {
 409        e1000_82571,
 410        e1000_82572,
 411        e1000_82573,
 412        e1000_82574,
 413        e1000_82583,
 414        e1000_80003es2lan,
 415        e1000_ich8lan,
 416        e1000_ich9lan,
 417        e1000_ich10lan,
 418        e1000_pchlan,
 419        e1000_pch2lan,
 420};
 421
 422enum e1000_media_type {
 423        e1000_media_type_unknown = 0,
 424        e1000_media_type_copper = 1,
 425        e1000_media_type_fiber = 2,
 426        e1000_media_type_internal_serdes = 3,
 427        e1000_num_media_types
 428};
 429
 430enum e1000_nvm_type {
 431        e1000_nvm_unknown = 0,
 432        e1000_nvm_none,
 433        e1000_nvm_eeprom_spi,
 434        e1000_nvm_flash_hw,
 435        e1000_nvm_flash_sw
 436};
 437
 438enum e1000_nvm_override {
 439        e1000_nvm_override_none = 0,
 440        e1000_nvm_override_spi_small,
 441        e1000_nvm_override_spi_large
 442};
 443
 444enum e1000_phy_type {
 445        e1000_phy_unknown = 0,
 446        e1000_phy_none,
 447        e1000_phy_m88,
 448        e1000_phy_igp,
 449        e1000_phy_igp_2,
 450        e1000_phy_gg82563,
 451        e1000_phy_igp_3,
 452        e1000_phy_ife,
 453        e1000_phy_bm,
 454        e1000_phy_82578,
 455        e1000_phy_82577,
 456        e1000_phy_82579,
 457};
 458
 459enum e1000_bus_width {
 460        e1000_bus_width_unknown = 0,
 461        e1000_bus_width_pcie_x1,
 462        e1000_bus_width_pcie_x2,
 463        e1000_bus_width_pcie_x4 = 4,
 464        e1000_bus_width_32,
 465        e1000_bus_width_64,
 466        e1000_bus_width_reserved
 467};
 468
 469enum e1000_1000t_rx_status {
 470        e1000_1000t_rx_status_not_ok = 0,
 471        e1000_1000t_rx_status_ok,
 472        e1000_1000t_rx_status_undefined = 0xFF
 473};
 474
 475enum e1000_rev_polarity{
 476        e1000_rev_polarity_normal = 0,
 477        e1000_rev_polarity_reversed,
 478        e1000_rev_polarity_undefined = 0xFF
 479};
 480
 481enum e1000_fc_mode {
 482        e1000_fc_none = 0,
 483        e1000_fc_rx_pause,
 484        e1000_fc_tx_pause,
 485        e1000_fc_full,
 486        e1000_fc_default = 0xFF
 487};
 488
 489enum e1000_ms_type {
 490        e1000_ms_hw_default = 0,
 491        e1000_ms_force_master,
 492        e1000_ms_force_slave,
 493        e1000_ms_auto
 494};
 495
 496enum e1000_smart_speed {
 497        e1000_smart_speed_default = 0,
 498        e1000_smart_speed_on,
 499        e1000_smart_speed_off
 500};
 501
 502enum e1000_serdes_link_state {
 503        e1000_serdes_link_down = 0,
 504        e1000_serdes_link_autoneg_progress,
 505        e1000_serdes_link_autoneg_complete,
 506        e1000_serdes_link_forced_up
 507};
 508
 509/* Receive Descriptor */
 510struct e1000_rx_desc {
 511        __le64 buffer_addr; /* Address of the descriptor's data buffer */
 512        __le16 length;      /* Length of data DMAed into data buffer */
 513        __le16 csum;    /* Packet checksum */
 514        u8  status;      /* Descriptor status */
 515        u8  errors;      /* Descriptor Errors */
 516        __le16 special;
 517};
 518
 519/* Receive Descriptor - Extended */
 520union e1000_rx_desc_extended {
 521        struct {
 522                __le64 buffer_addr;
 523                __le64 reserved;
 524        } read;
 525        struct {
 526                struct {
 527                        __le32 mrq;           /* Multiple Rx Queues */
 528                        union {
 529                                __le32 rss;         /* RSS Hash */
 530                                struct {
 531                                        __le16 ip_id;  /* IP id */
 532                                        __le16 csum;   /* Packet Checksum */
 533                                } csum_ip;
 534                        } hi_dword;
 535                } lower;
 536                struct {
 537                        __le32 status_error;     /* ext status/error */
 538                        __le16 length;
 539                        __le16 vlan;         /* VLAN tag */
 540                } upper;
 541        } wb;  /* writeback */
 542};
 543
 544#define MAX_PS_BUFFERS 4
 545/* Receive Descriptor - Packet Split */
 546union e1000_rx_desc_packet_split {
 547        struct {
 548                /* one buffer for protocol header(s), three data buffers */
 549                __le64 buffer_addr[MAX_PS_BUFFERS];
 550        } read;
 551        struct {
 552                struct {
 553                        __le32 mrq;           /* Multiple Rx Queues */
 554                        union {
 555                                __le32 rss;           /* RSS Hash */
 556                                struct {
 557                                        __le16 ip_id;    /* IP id */
 558                                        __le16 csum;     /* Packet Checksum */
 559                                } csum_ip;
 560                        } hi_dword;
 561                } lower;
 562                struct {
 563                        __le32 status_error;     /* ext status/error */
 564                        __le16 length0;   /* length of buffer 0 */
 565                        __le16 vlan;         /* VLAN tag */
 566                } middle;
 567                struct {
 568                        __le16 header_status;
 569                        __le16 length[3];       /* length of buffers 1-3 */
 570                } upper;
 571                __le64 reserved;
 572        } wb; /* writeback */
 573};
 574
 575/* Transmit Descriptor */
 576struct e1000_tx_desc {
 577        __le64 buffer_addr;      /* Address of the descriptor's data buffer */
 578        union {
 579                __le32 data;
 580                struct {
 581                        __le16 length;    /* Data buffer length */
 582                        u8 cso; /* Checksum offset */
 583                        u8 cmd; /* Descriptor control */
 584                } flags;
 585        } lower;
 586        union {
 587                __le32 data;
 588                struct {
 589                        u8 status;     /* Descriptor status */
 590                        u8 css; /* Checksum start */
 591                        __le16 special;
 592                } fields;
 593        } upper;
 594};
 595
 596/* Offload Context Descriptor */
 597struct e1000_context_desc {
 598        union {
 599                __le32 ip_config;
 600                struct {
 601                        u8 ipcss;      /* IP checksum start */
 602                        u8 ipcso;      /* IP checksum offset */
 603                        __le16 ipcse;     /* IP checksum end */
 604                } ip_fields;
 605        } lower_setup;
 606        union {
 607                __le32 tcp_config;
 608                struct {
 609                        u8 tucss;      /* TCP checksum start */
 610                        u8 tucso;      /* TCP checksum offset */
 611                        __le16 tucse;     /* TCP checksum end */
 612                } tcp_fields;
 613        } upper_setup;
 614        __le32 cmd_and_length;
 615        union {
 616                __le32 data;
 617                struct {
 618                        u8 status;     /* Descriptor status */
 619                        u8 hdr_len;    /* Header length */
 620                        __le16 mss;       /* Maximum segment size */
 621                } fields;
 622        } tcp_seg_setup;
 623};
 624
 625/* Offload data descriptor */
 626struct e1000_data_desc {
 627        __le64 buffer_addr;   /* Address of the descriptor's buffer address */
 628        union {
 629                __le32 data;
 630                struct {
 631                        __le16 length;    /* Data buffer length */
 632                        u8 typ_len_ext;
 633                        u8 cmd;
 634                } flags;
 635        } lower;
 636        union {
 637                __le32 data;
 638                struct {
 639                        u8 status;     /* Descriptor status */
 640                        u8 popts;      /* Packet Options */
 641                        __le16 special;   /* */
 642                } fields;
 643        } upper;
 644};
 645
 646/* Statistics counters collected by the MAC */
 647struct e1000_hw_stats {
 648        u64 crcerrs;
 649        u64 algnerrc;
 650        u64 symerrs;
 651        u64 rxerrc;
 652        u64 mpc;
 653        u64 scc;
 654        u64 ecol;
 655        u64 mcc;
 656        u64 latecol;
 657        u64 colc;
 658        u64 dc;
 659        u64 tncrs;
 660        u64 sec;
 661        u64 cexterr;
 662        u64 rlec;
 663        u64 xonrxc;
 664        u64 xontxc;
 665        u64 xoffrxc;
 666        u64 xofftxc;
 667        u64 fcruc;
 668        u64 prc64;
 669        u64 prc127;
 670        u64 prc255;
 671        u64 prc511;
 672        u64 prc1023;
 673        u64 prc1522;
 674        u64 gprc;
 675        u64 bprc;
 676        u64 mprc;
 677        u64 gptc;
 678        u64 gorc;
 679        u64 gotc;
 680        u64 rnbc;
 681        u64 ruc;
 682        u64 rfc;
 683        u64 roc;
 684        u64 rjc;
 685        u64 mgprc;
 686        u64 mgpdc;
 687        u64 mgptc;
 688        u64 tor;
 689        u64 tot;
 690        u64 tpr;
 691        u64 tpt;
 692        u64 ptc64;
 693        u64 ptc127;
 694        u64 ptc255;
 695        u64 ptc511;
 696        u64 ptc1023;
 697        u64 ptc1522;
 698        u64 mptc;
 699        u64 bptc;
 700        u64 tsctc;
 701        u64 tsctfc;
 702        u64 iac;
 703        u64 icrxptc;
 704        u64 icrxatc;
 705        u64 ictxptc;
 706        u64 ictxatc;
 707        u64 ictxqec;
 708        u64 ictxqmtc;
 709        u64 icrxdmtc;
 710        u64 icrxoc;
 711};
 712
 713struct e1000_phy_stats {
 714        u32 idle_errors;
 715        u32 receive_errors;
 716};
 717
 718struct e1000_host_mng_dhcp_cookie {
 719        u32 signature;
 720        u8  status;
 721        u8  reserved0;
 722        u16 vlan_id;
 723        u32 reserved1;
 724        u16 reserved2;
 725        u8  reserved3;
 726        u8  checksum;
 727};
 728
 729/* Host Interface "Rev 1" */
 730struct e1000_host_command_header {
 731        u8 command_id;
 732        u8 command_length;
 733        u8 command_options;
 734        u8 checksum;
 735};
 736
 737#define E1000_HI_MAX_DATA_LENGTH     252
 738struct e1000_host_command_info {
 739        struct e1000_host_command_header command_header;
 740        u8 command_data[E1000_HI_MAX_DATA_LENGTH];
 741};
 742
 743/* Host Interface "Rev 2" */
 744struct e1000_host_mng_command_header {
 745        u8  command_id;
 746        u8  checksum;
 747        u16 reserved1;
 748        u16 reserved2;
 749        u16 command_length;
 750};
 751
 752#define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
 753struct e1000_host_mng_command_info {
 754        struct e1000_host_mng_command_header command_header;
 755        u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
 756};
 757
 758/* Function pointers and static data for the MAC. */
 759struct e1000_mac_operations {
 760        s32  (*id_led_init)(struct e1000_hw *);
 761        s32  (*blink_led)(struct e1000_hw *);
 762        bool (*check_mng_mode)(struct e1000_hw *);
 763        s32  (*check_for_link)(struct e1000_hw *);
 764        s32  (*cleanup_led)(struct e1000_hw *);
 765        void (*clear_hw_cntrs)(struct e1000_hw *);
 766        void (*clear_vfta)(struct e1000_hw *);
 767        s32  (*get_bus_info)(struct e1000_hw *);
 768        void (*set_lan_id)(struct e1000_hw *);
 769        s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
 770        s32  (*led_on)(struct e1000_hw *);
 771        s32  (*led_off)(struct e1000_hw *);
 772        void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
 773        s32  (*reset_hw)(struct e1000_hw *);
 774        s32  (*init_hw)(struct e1000_hw *);
 775        s32  (*setup_link)(struct e1000_hw *);
 776        s32  (*setup_physical_interface)(struct e1000_hw *);
 777        s32  (*setup_led)(struct e1000_hw *);
 778        void (*write_vfta)(struct e1000_hw *, u32, u32);
 779        s32  (*read_mac_addr)(struct e1000_hw *);
 780};
 781
 782/*
 783 * When to use various PHY register access functions:
 784 *
 785 *                 Func   Caller
 786 *   Function      Does   Does    When to use
 787 *   ~~~~~~~~~~~~  ~~~~~  ~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 788 *   X_reg         L,P,A  n/a     for simple PHY reg accesses
 789 *   X_reg_locked  P,A    L       for multiple accesses of different regs
 790 *                                on different pages
 791 *   X_reg_page    A      L,P     for multiple accesses of different regs
 792 *                                on the same page
 793 *
 794 * Where X=[read|write], L=locking, P=sets page, A=register access
 795 *
 796 */
 797struct e1000_phy_operations {
 798        s32  (*acquire)(struct e1000_hw *);
 799        s32  (*cfg_on_link_up)(struct e1000_hw *);
 800        s32  (*check_polarity)(struct e1000_hw *);
 801        s32  (*check_reset_block)(struct e1000_hw *);
 802        s32  (*commit)(struct e1000_hw *);
 803        s32  (*force_speed_duplex)(struct e1000_hw *);
 804        s32  (*get_cfg_done)(struct e1000_hw *hw);
 805        s32  (*get_cable_length)(struct e1000_hw *);
 806        s32  (*get_info)(struct e1000_hw *);
 807        s32  (*set_page)(struct e1000_hw *, u16);
 808        s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
 809        s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
 810        s32  (*read_reg_page)(struct e1000_hw *, u32, u16 *);
 811        void (*release)(struct e1000_hw *);
 812        s32  (*reset)(struct e1000_hw *);
 813        s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
 814        s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
 815        s32  (*write_reg)(struct e1000_hw *, u32, u16);
 816        s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
 817        s32  (*write_reg_page)(struct e1000_hw *, u32, u16);
 818        void (*power_up)(struct e1000_hw *);
 819        void (*power_down)(struct e1000_hw *);
 820};
 821
 822/* Function pointers for the NVM. */
 823struct e1000_nvm_operations {
 824        s32  (*acquire)(struct e1000_hw *);
 825        s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
 826        void (*release)(struct e1000_hw *);
 827        s32  (*update)(struct e1000_hw *);
 828        s32  (*valid_led_default)(struct e1000_hw *, u16 *);
 829        s32  (*validate)(struct e1000_hw *);
 830        s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
 831};
 832
 833struct e1000_mac_info {
 834        struct e1000_mac_operations ops;
 835        u8 addr[ETH_ALEN];
 836        u8 perm_addr[ETH_ALEN];
 837
 838        enum e1000_mac_type type;
 839
 840        u32 collision_delta;
 841        u32 ledctl_default;
 842        u32 ledctl_mode1;
 843        u32 ledctl_mode2;
 844        u32 mc_filter_type;
 845        u32 tx_packet_delta;
 846        u32 txcw;
 847
 848        u16 current_ifs_val;
 849        u16 ifs_max_val;
 850        u16 ifs_min_val;
 851        u16 ifs_ratio;
 852        u16 ifs_step_size;
 853        u16 mta_reg_count;
 854
 855        /* Maximum size of the MTA register table in all supported adapters */
 856        #define MAX_MTA_REG 128
 857        u32 mta_shadow[MAX_MTA_REG];
 858        u16 rar_entry_count;
 859
 860        u8  forced_speed_duplex;
 861
 862        bool adaptive_ifs;
 863        bool has_fwsm;
 864        bool arc_subsystem_valid;
 865        bool autoneg;
 866        bool autoneg_failed;
 867        bool get_link_status;
 868        bool in_ifs_mode;
 869        bool serdes_has_link;
 870        bool tx_pkt_filtering;
 871        enum e1000_serdes_link_state serdes_link_state;
 872};
 873
 874struct e1000_phy_info {
 875        struct e1000_phy_operations ops;
 876
 877        enum e1000_phy_type type;
 878
 879        enum e1000_1000t_rx_status local_rx;
 880        enum e1000_1000t_rx_status remote_rx;
 881        enum e1000_ms_type ms_type;
 882        enum e1000_ms_type original_ms_type;
 883        enum e1000_rev_polarity cable_polarity;
 884        enum e1000_smart_speed smart_speed;
 885
 886        u32 addr;
 887        u32 id;
 888        u32 reset_delay_us; /* in usec */
 889        u32 revision;
 890
 891        enum e1000_media_type media_type;
 892
 893        u16 autoneg_advertised;
 894        u16 autoneg_mask;
 895        u16 cable_length;
 896        u16 max_cable_length;
 897        u16 min_cable_length;
 898
 899        u8 mdix;
 900
 901        bool disable_polarity_correction;
 902        bool is_mdix;
 903        bool polarity_correction;
 904        bool speed_downgraded;
 905        bool autoneg_wait_to_complete;
 906};
 907
 908struct e1000_nvm_info {
 909        struct e1000_nvm_operations ops;
 910
 911        enum e1000_nvm_type type;
 912        enum e1000_nvm_override override;
 913
 914        u32 flash_bank_size;
 915        u32 flash_base_addr;
 916
 917        u16 word_size;
 918        u16 delay_usec;
 919        u16 address_bits;
 920        u16 opcode_bits;
 921        u16 page_size;
 922};
 923
 924struct e1000_bus_info {
 925        enum e1000_bus_width width;
 926
 927        u16 func;
 928};
 929
 930struct e1000_fc_info {
 931        u32 high_water;          /* Flow control high-water mark */
 932        u32 low_water;           /* Flow control low-water mark */
 933        u16 pause_time;          /* Flow control pause timer */
 934        u16 refresh_time;        /* Flow control refresh timer */
 935        bool send_xon;           /* Flow control send XON */
 936        bool strict_ieee;        /* Strict IEEE mode */
 937        enum e1000_fc_mode current_mode; /* FC mode in effect */
 938        enum e1000_fc_mode requested_mode; /* FC mode requested by caller */
 939};
 940
 941struct e1000_dev_spec_82571 {
 942        bool laa_is_present;
 943        u32 smb_counter;
 944};
 945
 946struct e1000_dev_spec_80003es2lan {
 947        bool  mdic_wa_enable;
 948};
 949
 950struct e1000_shadow_ram {
 951        u16  value;
 952        bool modified;
 953};
 954
 955#define E1000_ICH8_SHADOW_RAM_WORDS             2048
 956
 957struct e1000_dev_spec_ich8lan {
 958        bool kmrn_lock_loss_workaround_enabled;
 959        struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
 960        bool nvm_k1_enabled;
 961        bool eee_disable;
 962};
 963
 964struct e1000_hw {
 965        struct e1000_adapter *adapter;
 966
 967        u8 __iomem *hw_addr;
 968        u8 __iomem *flash_address;
 969
 970        struct e1000_mac_info  mac;
 971        struct e1000_fc_info   fc;
 972        struct e1000_phy_info  phy;
 973        struct e1000_nvm_info  nvm;
 974        struct e1000_bus_info  bus;
 975        struct e1000_host_mng_dhcp_cookie mng_cookie;
 976
 977        union {
 978                struct e1000_dev_spec_82571     e82571;
 979                struct e1000_dev_spec_80003es2lan e80003es2lan;
 980                struct e1000_dev_spec_ich8lan   ich8lan;
 981        } dev_spec;
 982};
 983
 984#endif
 985