drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the Free
   8   Software Foundation; either version 2 of the License, or (at your option)
   9   any later version.
  10
  11   This program is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14   more details.
  15
  16   You should have received a copy of the GNU General Public License along with
  17   this program; if not, write to the Free Software Foundation, Inc., 59
  18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20   The full GNU General Public License is included in this distribution in the
  21   file called LICENSE.
  22
  23   Contact Information:
  24   Linux NICS <linux.nics@intel.com>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include "e1000.h"
  32
  33 #include <asm/uaccess.h>
  34
  35 extern char e1000_driver_name[];
  36 extern char e1000_driver_version[];
  37
  38 extern int e1000_up(struct e1000_adapter *adapter);
  39 extern void e1000_down(struct e1000_adapter *adapter);
  40 extern void e1000_reset(struct e1000_adapter *adapter);
  41 extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
  42 extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
  43 extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
  44 extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
  45 extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
  46 extern void e1000_update_stats(struct e1000_adapter *adapter);
  47
  48 struct e1000_stats {
  49         char stat_string[ETH_GSTRING_LEN];
  50         int sizeof_stat;
  51         int stat_offset;
  52 };
  53
  54 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
  55                       offsetof(struct e1000_adapter, m)
  56 static const struct e1000_stats e1000_gstrings_stats[] = {
  57         { "rx_packets", E1000_STAT(net_stats.rx_packets) },
  58         { "tx_packets", E1000_STAT(net_stats.tx_packets) },
  59         { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
  60         { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
  61         { "rx_errors", E1000_STAT(net_stats.rx_errors) },
  62         { "tx_errors", E1000_STAT(net_stats.tx_errors) },
  63         { "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
  64         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  65         { "multicast", E1000_STAT(net_stats.multicast) },
  66         { "collisions", E1000_STAT(net_stats.collisions) },
  67         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  68         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  69         { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
  70         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  71         { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
  72         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  73         { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
  74         { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
  75         { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
  76         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  77         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  78         { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
  79         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  80         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  81         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  82         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  83         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  84         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  85         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  86         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  87         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  88         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  89         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  90         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  91         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  92         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  93         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  94         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  95         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  96         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  97         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  98 };
  99 #define E1000_STATS_LEN \
 100         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
 101 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 102         "Register test  (offline)", "Eeprom test    (offline)",
 103         "Interrupt test (offline)", "Loopback test  (offline)",
 104         "Link test   (on/offline)"
 105 };
 106 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
 107
 108 static int
 109 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 110 {
 111         struct e1000_adapter *adapter = netdev_priv(netdev);
 112         struct e1000_hw *hw = &adapter->hw;
 113
 114         if(hw->media_type == e1000_media_type_copper) {
 115
 116                 ecmd->supported = (SUPPORTED_10baseT_Half |
 117                                    SUPPORTED_10baseT_Full |
 118                                    SUPPORTED_100baseT_Half |
 119                                    SUPPORTED_100baseT_Full |
 120                                    SUPPORTED_1000baseT_Full|
 121                                    SUPPORTED_Autoneg |
 122                                    SUPPORTED_TP);
 123
 124                 ecmd->advertising = ADVERTISED_TP;
 125
 126                 if(hw->autoneg == 1) {
 127                         ecmd->advertising |= ADVERTISED_Autoneg;
 128
 129                         /* the e1000 autoneg seems to match ethtool nicely */
 130
 131                         ecmd->advertising |= hw->autoneg_advertised;
 132                 }
 133
 134                 ecmd->port = PORT_TP;
 135                 ecmd->phy_address = hw->phy_addr;
 136
 137                 if(hw->mac_type == e1000_82543)
 138                         ecmd->transceiver = XCVR_EXTERNAL;
 139                 else
 140                         ecmd->transceiver = XCVR_INTERNAL;
 141
 142         } else {
 143                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 144                                      SUPPORTED_FIBRE |
 145                                      SUPPORTED_Autoneg);
 146
 147                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 148                                      ADVERTISED_FIBRE |
 149                                      ADVERTISED_Autoneg);
 150
 151                 ecmd->port = PORT_FIBRE;
 152
 153                 if(hw->mac_type >= e1000_82545)
 154                         ecmd->transceiver = XCVR_INTERNAL;
 155                 else
 156                         ecmd->transceiver = XCVR_EXTERNAL;
 157         }
 158
 159         if(netif_carrier_ok(adapter->netdev)) {
 160
 161                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 162                                                    &adapter->link_duplex);
 163                 ecmd->speed = adapter->link_speed;
 164
 165                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 166                  *          and HALF_DUPLEX != DUPLEX_HALF */
 167
 168                 if(adapter->link_duplex == FULL_DUPLEX)
 169                         ecmd->duplex = DUPLEX_FULL;
 170                 else
 171                         ecmd->duplex = DUPLEX_HALF;
 172         } else {
 173                 ecmd->speed = -1;
 174                 ecmd->duplex = -1;
 175         }
 176
 177         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 178                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 179         return 0;
 180 }
 181
 182 static int
 183 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 184 {
 185         struct e1000_adapter *adapter = netdev_priv(netdev);
 186         struct e1000_hw *hw = &adapter->hw;
 187
 188         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 189          * cannot be changed */
 190         if (e1000_check_phy_reset_block(hw)) {
 191                 DPRINTK(DRV, ERR, "Cannot change link characteristics "
 192                         "when SoL/IDER is active.\n");
 193                 return -EINVAL;
 194         }
 195
 196         if (ecmd->autoneg == AUTONEG_ENABLE) {
 197                 hw->autoneg = 1;
 198                 if(hw->media_type == e1000_media_type_fiber)
 199                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 200                                      ADVERTISED_FIBRE |
 201                                      ADVERTISED_Autoneg;
 202                 else
 203                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 204                                                   ADVERTISED_10baseT_Full |
 205                                                   ADVERTISED_100baseT_Half |
 206                                                   ADVERTISED_100baseT_Full |
 207                                                   ADVERTISED_1000baseT_Full|
 208                                                   ADVERTISED_Autoneg |
 209                                                   ADVERTISED_TP;
 210                 ecmd->advertising = hw->autoneg_advertised;
 211         } else
 212                 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 213                         return -EINVAL;
 214
 215         /* reset the link */
 216
 217         if(netif_running(adapter->netdev)) {
 218                 e1000_down(adapter);
 219                 e1000_reset(adapter);
 220                 e1000_up(adapter);
 221         } else
 222                 e1000_reset(adapter);
 223
 224         return 0;
 225 }
 226
 227 static void
 228 e1000_get_pauseparam(struct net_device *netdev,
 229                      struct ethtool_pauseparam *pause)
 230 {
 231         struct e1000_adapter *adapter = netdev_priv(netdev);
 232         struct e1000_hw *hw = &adapter->hw;
 233
 234         pause->autoneg =
 235                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 236
 237         if(hw->fc == e1000_fc_rx_pause)
 238                 pause->rx_pause = 1;
 239         else if(hw->fc == e1000_fc_tx_pause)
 240                 pause->tx_pause = 1;
 241         else if(hw->fc == e1000_fc_full) {
 242                 pause->rx_pause = 1;
 243                 pause->tx_pause = 1;
 244         }
 245 }
 246
 247 static int
 248 e1000_set_pauseparam(struct net_device *netdev,
 249                      struct ethtool_pauseparam *pause)
 250 {
 251         struct e1000_adapter *adapter = netdev_priv(netdev);
 252         struct e1000_hw *hw = &adapter->hw;
 253
 254         adapter->fc_autoneg = pause->autoneg;
 255
 256         if(pause->rx_pause && pause->tx_pause)
 257                 hw->fc = e1000_fc_full;
 258         else if(pause->rx_pause && !pause->tx_pause)
 259                 hw->fc = e1000_fc_rx_pause;
 260         else if(!pause->rx_pause && pause->tx_pause)
 261                 hw->fc = e1000_fc_tx_pause;
 262         else if(!pause->rx_pause && !pause->tx_pause)
 263                 hw->fc = e1000_fc_none;
 264
 265         hw->original_fc = hw->fc;
 266
 267         if(adapter->fc_autoneg == AUTONEG_ENABLE) {
 268                 if(netif_running(adapter->netdev)) {
 269                         e1000_down(adapter);
 270                         e1000_up(adapter);
 271                 } else
 272                         e1000_reset(adapter);
 273         }
 274         else
 275                 return ((hw->media_type == e1000_media_type_fiber) ?
 276                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 277
 278         return 0;
 279 }
 280
 281 static uint32_t
 282 e1000_get_rx_csum(struct net_device *netdev)
 283 {
 284         struct e1000_adapter *adapter = netdev_priv(netdev);
 285         return adapter->rx_csum;
 286 }
 287
 288 static int
 289 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 290 {
 291         struct e1000_adapter *adapter = netdev_priv(netdev);
 292         adapter->rx_csum = data;
 293
 294         if(netif_running(netdev)) {
 295                 e1000_down(adapter);
 296                 e1000_up(adapter);
 297         } else
 298                 e1000_reset(adapter);
 299         return 0;
 300 }
 301
 302 static uint32_t
 303 e1000_get_tx_csum(struct net_device *netdev)
 304 {
 305         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 306 }
 307
 308 static int
 309 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 310 {
 311         struct e1000_adapter *adapter = netdev_priv(netdev);
 312
 313         if(adapter->hw.mac_type < e1000_82543) {
 314                 if (!data)
 315                         return -EINVAL;
 316                 return 0;
 317         }
 318
 319         if (data)
 320                 netdev->features |= NETIF_F_HW_CSUM;
 321         else
 322                 netdev->features &= ~NETIF_F_HW_CSUM;
 323
 324         return 0;
 325 }
 326
 327 #ifdef NETIF_F_TSO
 328 static int
 329 e1000_set_tso(struct net_device *netdev, uint32_t data)
 330 {
 331         struct e1000_adapter *adapter = netdev_priv(netdev);
 332         if((adapter->hw.mac_type < e1000_82544) ||
 333             (adapter->hw.mac_type == e1000_82547))
 334                 return data ? -EINVAL : 0;
 335
 336         if (data)
 337                 netdev->features |= NETIF_F_TSO;
 338         else
 339                 netdev->features &= ~NETIF_F_TSO;
 340         return 0;
 341 }
 342 #endif /* NETIF_F_TSO */
 343
 344 static uint32_t
 345 e1000_get_msglevel(struct net_device *netdev)
 346 {
 347         struct e1000_adapter *adapter = netdev_priv(netdev);
 348         return adapter->msg_enable;
 349 }
 350
 351 static void
 352 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 353 {
 354         struct e1000_adapter *adapter = netdev_priv(netdev);
 355         adapter->msg_enable = data;
 356 }
 357
 358 static int
 359 e1000_get_regs_len(struct net_device *netdev)
 360 {
 361 #define E1000_REGS_LEN 32
 362         return E1000_REGS_LEN * sizeof(uint32_t);
 363 }
 364
 365 static void
 366 e1000_get_regs(struct net_device *netdev,
 367                struct ethtool_regs *regs, void *p)
 368 {
 369         struct e1000_adapter *adapter = netdev_priv(netdev);
 370         struct e1000_hw *hw = &adapter->hw;
 371         uint32_t *regs_buff = p;
 372         uint16_t phy_data;
 373
 374         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 375
 376         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 377
 378         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 379         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 380
 381         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 382         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 383         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 384         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 385         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 386
 387         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 388         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 389         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 390         regs_buff[10] = E1000_READ_REG(hw, TDT);
 391         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 392
 393         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 394         if(hw->phy_type == e1000_phy_igp) {
 395                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 396                                     IGP01E1000_PHY_AGC_A);
 397                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 398                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 399                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 400                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 401                                     IGP01E1000_PHY_AGC_B);
 402                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 403                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 404                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 405                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 406                                     IGP01E1000_PHY_AGC_C);
 407                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 408                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 409                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 410                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 411                                     IGP01E1000_PHY_AGC_D);
 412                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 413                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 414                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 415                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 416                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 417                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 418                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 419                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 420                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 421                                     IGP01E1000_PHY_PCS_INIT_REG);
 422                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 423                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 424                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 425                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 426                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 427                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 428                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 429         } else {
 430                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 431                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 432                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 433                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 434                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 435                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 436                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 437                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 438                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 439                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 440                 /* phy receive errors */
 441                 regs_buff[22] = adapter->phy_stats.receive_errors;
 442                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 443         }
 444         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 445         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 446         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 447         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 448         if(hw->mac_type >= e1000_82540 &&
 449            hw->media_type == e1000_media_type_copper) {
 450                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 451         }
 452 }
 453
 454 static int
 455 e1000_get_eeprom_len(struct net_device *netdev)
 456 {
 457         struct e1000_adapter *adapter = netdev_priv(netdev);
 458         return adapter->hw.eeprom.word_size * 2;
 459 }
 460
 461 static int
 462 e1000_get_eeprom(struct net_device *netdev,
 463                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 464 {
 465         struct e1000_adapter *adapter = netdev_priv(netdev);
 466         struct e1000_hw *hw = &adapter->hw;
 467         uint16_t *eeprom_buff;
 468         int first_word, last_word;
 469         int ret_val = 0;
 470         uint16_t i;
 471
 472         if(eeprom->len == 0)
 473                 return -EINVAL;
 474
 475         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 476
 477         first_word = eeprom->offset >> 1;
 478         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 479
 480         eeprom_buff = kmalloc(sizeof(uint16_t) *
 481                         (last_word - first_word + 1), GFP_KERNEL);
 482         if(!eeprom_buff)
 483                 return -ENOMEM;
 484
 485         if(hw->eeprom.type == e1000_eeprom_spi)
 486                 ret_val = e1000_read_eeprom(hw, first_word,
 487                                             last_word - first_word + 1,
 488                                             eeprom_buff);
 489         else {
 490                 for (i = 0; i < last_word - first_word + 1; i++)
 491                         if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 492                                                         &eeprom_buff[i])))
 493                                 break;
 494         }
 495
 496         /* Device's eeprom is always little-endian, word addressable */
 497         for (i = 0; i < last_word - first_word + 1; i++)
 498                 le16_to_cpus(&eeprom_buff[i]);
 499
 500         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 501                         eeprom->len);
 502         kfree(eeprom_buff);
 503
 504         return ret_val;
 505 }
 506
 507 static int
 508 e1000_set_eeprom(struct net_device *netdev,
 509                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 510 {
 511         struct e1000_adapter *adapter = netdev_priv(netdev);
 512         struct e1000_hw *hw = &adapter->hw;
 513         uint16_t *eeprom_buff;
 514         void *ptr;
 515         int max_len, first_word, last_word, ret_val = 0;
 516         uint16_t i;
 517
 518         if(eeprom->len == 0)
 519                 return -EOPNOTSUPP;
 520
 521         if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 522                 return -EFAULT;
 523
 524         max_len = hw->eeprom.word_size * 2;
 525
 526         first_word = eeprom->offset >> 1;
 527         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 528         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 529         if(!eeprom_buff)
 530                 return -ENOMEM;
 531
 532         ptr = (void *)eeprom_buff;
 533
 534         if(eeprom->offset & 1) {
 535                 /* need read/modify/write of first changed EEPROM word */
 536                 /* only the second byte of the word is being modified */
 537                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 538                                             &eeprom_buff[0]);
 539                 ptr++;
 540         }
 541         if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 542                 /* need read/modify/write of last changed EEPROM word */
 543                 /* only the first byte of the word is being modified */
 544                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 545                                   &eeprom_buff[last_word - first_word]);
 546         }
 547
 548         /* Device's eeprom is always little-endian, word addressable */
 549         for (i = 0; i < last_word - first_word + 1; i++)
 550                 le16_to_cpus(&eeprom_buff[i]);
 551
 552         memcpy(ptr, bytes, eeprom->len);
 553
 554         for (i = 0; i < last_word - first_word + 1; i++)
 555                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 556
 557         ret_val = e1000_write_eeprom(hw, first_word,
 558                                      last_word - first_word + 1, eeprom_buff);
 559
 560         /* Update the checksum over the first part of the EEPROM if needed
 561          * and flush shadow RAM for 82573 conrollers */
 562         if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 563                                 (hw->mac_type == e1000_82573)))
 564                 e1000_update_eeprom_checksum(hw);
 565
 566         kfree(eeprom_buff);
 567         return ret_val;
 568 }
 569
 570 static void
 571 e1000_get_drvinfo(struct net_device *netdev,
 572                        struct ethtool_drvinfo *drvinfo)
 573 {
 574         struct e1000_adapter *adapter = netdev_priv(netdev);
 575
 576         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 577         strncpy(drvinfo->version, e1000_driver_version, 32);
 578         strncpy(drvinfo->fw_version, "N/A", 32);
 579         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 580         drvinfo->n_stats = E1000_STATS_LEN;
 581         drvinfo->testinfo_len = E1000_TEST_LEN;
 582         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 583         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 584 }
 585
 586 static void
 587 e1000_get_ringparam(struct net_device *netdev,
 588                     struct ethtool_ringparam *ring)
 589 {
 590         struct e1000_adapter *adapter = netdev_priv(netdev);
 591         e1000_mac_type mac_type = adapter->hw.mac_type;
 592         struct e1000_tx_ring *txdr = adapter->tx_ring;
 593         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 594
 595         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 596                 E1000_MAX_82544_RXD;
 597         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 598                 E1000_MAX_82544_TXD;
 599         ring->rx_mini_max_pending = 0;
 600         ring->rx_jumbo_max_pending = 0;
 601         ring->rx_pending = rxdr->count;
 602         ring->tx_pending = txdr->count;
 603         ring->rx_mini_pending = 0;
 604         ring->rx_jumbo_pending = 0;
 605 }
 606
 607 static int
 608 e1000_set_ringparam(struct net_device *netdev,
 609                     struct ethtool_ringparam *ring)
 610 {
 611         struct e1000_adapter *adapter = netdev_priv(netdev);
 612         e1000_mac_type mac_type = adapter->hw.mac_type;
 613         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 614         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 615         int i, err, tx_ring_size, rx_ring_size;
 616
 617         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 618         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 619
 620         if (netif_running(adapter->netdev))
 621                 e1000_down(adapter);
 622
 623         tx_old = adapter->tx_ring;
 624         rx_old = adapter->rx_ring;
 625
 626         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 627         if (!adapter->tx_ring) {
 628                 err = -ENOMEM;
 629                 goto err_setup_rx;
 630         }
 631         memset(adapter->tx_ring, 0, tx_ring_size);
 632
 633         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 634         if (!adapter->rx_ring) {
 635                 kfree(adapter->tx_ring);
 636                 err = -ENOMEM;
 637                 goto err_setup_rx;
 638         }
 639         memset(adapter->rx_ring, 0, rx_ring_size);
 640
 641         txdr = adapter->tx_ring;
 642         rxdr = adapter->rx_ring;
 643
 644         if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 645                 return -EINVAL;
 646
 647         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 648         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 649                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 650         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 651
 652         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 653         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 654                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 655         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 656
 657         for (i = 0; i < adapter->num_tx_queues; i++)
 658                 txdr[i].count = txdr->count;
 659         for (i = 0; i < adapter->num_rx_queues; i++)
 660                 rxdr[i].count = rxdr->count;
 661
 662         if(netif_running(adapter->netdev)) {
 663                 /* Try to get new resources before deleting old */
 664                 if ((err = e1000_setup_all_rx_resources(adapter)))
 665                         goto err_setup_rx;
 666                 if ((err = e1000_setup_all_tx_resources(adapter)))
 667                         goto err_setup_tx;
 668
 669                 /* save the new, restore the old in order to free it,
 670                  * then restore the new back again */
 671
 672                 rx_new = adapter->rx_ring;
 673                 tx_new = adapter->tx_ring;
 674                 adapter->rx_ring = rx_old;
 675                 adapter->tx_ring = tx_old;
 676                 e1000_free_all_rx_resources(adapter);
 677                 e1000_free_all_tx_resources(adapter);
 678                 kfree(tx_old);
 679                 kfree(rx_old);
 680                 adapter->rx_ring = rx_new;
 681                 adapter->tx_ring = tx_new;
 682                 if((err = e1000_up(adapter)))
 683                         return err;
 684         }
 685
 686         return 0;
 687 err_setup_tx:
 688         e1000_free_all_rx_resources(adapter);
 689 err_setup_rx:
 690         adapter->rx_ring = rx_old;
 691         adapter->tx_ring = tx_old;
 692         e1000_up(adapter);
 693         return err;
 694 }
 695
 696 #define REG_PATTERN_TEST(R, M, W)                                              \
 697 {                                                                              \
 698         uint32_t pat, value;                                                   \
 699         uint32_t test[] =                                                      \
 700                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 701         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 702                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 703                 value = E1000_READ_REG(&adapter->hw, R);                       \
 704                 if(value != (test[pat] & W & M)) {                             \
 705                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 706                                 "0x%08X expected 0x%08X\n",                    \
 707                                 E1000_##R, value, (test[pat] & W & M));        \
 708                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 709                                 E1000_82542_##R : E1000_##R;                   \
 710                         return 1;                                              \
 711                 }                                                              \
 712         }                                                                      \
 713 }
 714
 715 #define REG_SET_AND_CHECK(R, M, W)                                             \
 716 {                                                                              \
 717         uint32_t value;                                                        \
 718         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 719         value = E1000_READ_REG(&adapter->hw, R);                               \
 720         if((W & M) != (value & M)) {                                          \
 721                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 722                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 723                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 724                         E1000_82542_##R : E1000_##R;                           \
 725                 return 1;                                                      \
 726         }                                                                      \
 727 }
 728
 729 static int
 730 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 731 {
 732         uint32_t value, before, after;
 733         uint32_t i, toggle;
 734
 735         /* The status register is Read Only, so a write should fail.
 736          * Some bits that get toggled are ignored.
 737          */
 738         switch (adapter->hw.mac_type) {
 739         /* there are several bits on newer hardware that are r/w */
 740         case e1000_82571:
 741         case e1000_82572:
 742                 toggle = 0x7FFFF3FF;
 743                 break;
 744         case e1000_82573:
 745                 toggle = 0x7FFFF033;
 746                 break;
 747         default:
 748                 toggle = 0xFFFFF833;
 749                 break;
 750         }
 751
 752         before = E1000_READ_REG(&adapter->hw, STATUS);
 753         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 754         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 755         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 756         if(value != after) {
 757                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 758                         "0x%08X expected: 0x%08X\n", after, value);
 759                 *data = 1;
 760                 return 1;
 761         }
 762         /* restore previous status */
 763         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 764
 765         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 766         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 767         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 768         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 769         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 770         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 771         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 772         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 773         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 774         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 775         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 776         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 777         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 778         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 779
 780         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 781         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 782         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 783
 784         if(adapter->hw.mac_type >= e1000_82543) {
 785
 786                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 787                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 788                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 789                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 790                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 791
 792                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 793                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 794                                          0xFFFFFFFF);
 795                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 796                                          0xFFFFFFFF);
 797                 }
 798
 799         } else {
 800
 801                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 802                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 803                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 804                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 805
 806         }
 807
 808         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 809                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 810
 811         *data = 0;
 812         return 0;
 813 }
 814
 815 static int
 816 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 817 {
 818         uint16_t temp;
 819         uint16_t checksum = 0;
 820         uint16_t i;
 821
 822         *data = 0;
 823         /* Read and add up the contents of the EEPROM */
 824         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 825                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 826                         *data = 1;
 827                         break;
 828                 }
 829                 checksum += temp;
 830         }
 831
 832         /* If Checksum is not Correct return error else test passed */
 833         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 834                 *data = 2;
 835
 836         return *data;
 837 }
 838
 839 static irqreturn_t
 840 e1000_test_intr(int irq,
 841                 void *data,
 842                 struct pt_regs *regs)
 843 {
 844         struct net_device *netdev = (struct net_device *) data;
 845         struct e1000_adapter *adapter = netdev_priv(netdev);
 846
 847         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 848
 849         return IRQ_HANDLED;
 850 }
 851
 852 static int
 853 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 854 {
 855         struct net_device *netdev = adapter->netdev;
 856         uint32_t mask, i=0, shared_int = TRUE;
 857         uint32_t irq = adapter->pdev->irq;
 858
 859         *data = 0;
 860
 861         /* Hook up test interrupt handler just for this test */
 862         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 863                 shared_int = FALSE;
 864         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 865                               netdev->name, netdev)){
 866                 *data = 1;
 867                 return -1;
 868         }
 869
 870         /* Disable all the interrupts */
 871         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 872         msec_delay(10);
 873
 874         /* Test each interrupt */
 875         for(; i < 10; i++) {
 876
 877                 /* Interrupt to test */
 878                 mask = 1 << i;
 879
 880                 if(!shared_int) {
 881                         /* Disable the interrupt to be reported in
 882                          * the cause register and then force the same
 883                          * interrupt and see if one gets posted.  If
 884                          * an interrupt was posted to the bus, the
 885                          * test failed.
 886                          */
 887                         adapter->test_icr = 0;
 888                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 889                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 890                         msec_delay(10);
 891
 892                         if(adapter->test_icr & mask) {
 893                                 *data = 3;
 894                                 break;
 895                         }
 896                 }
 897
 898                 /* Enable the interrupt to be reported in
 899                  * the cause register and then force the same
 900                  * interrupt and see if one gets posted.  If
 901                  * an interrupt was not posted to the bus, the
 902                  * test failed.
 903                  */
 904                 adapter->test_icr = 0;
 905                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 906                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 907                 msec_delay(10);
 908
 909                 if(!(adapter->test_icr & mask)) {
 910                         *data = 4;
 911                         break;
 912                 }
 913
 914                 if(!shared_int) {
 915                         /* Disable the other interrupts to be reported in
 916                          * the cause register and then force the other
 917                          * interrupts and see if any get posted.  If
 918                          * an interrupt was posted to the bus, the
 919                          * test failed.
 920                          */
 921                         adapter->test_icr = 0;
 922                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 923                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 924                         msec_delay(10);
 925
 926                         if(adapter->test_icr) {
 927                                 *data = 5;
 928                                 break;
 929                         }
 930                 }
 931         }
 932
 933         /* Disable all the interrupts */
 934         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 935         msec_delay(10);
 936
 937         /* Unhook test interrupt handler */
 938         free_irq(irq, netdev);
 939
 940         return *data;
 941 }
 942
 943 static void
 944 e1000_free_desc_rings(struct e1000_adapter *adapter)
 945 {
 946         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 947         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 948         struct pci_dev *pdev = adapter->pdev;
 949         int i;
 950
 951         if(txdr->desc && txdr->buffer_info) {
 952                 for(i = 0; i < txdr->count; i++) {
 953                         if(txdr->buffer_info[i].dma)
 954                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 955                                                  txdr->buffer_info[i].length,
 956                                                  PCI_DMA_TODEVICE);
 957                         if(txdr->buffer_info[i].skb)
 958                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 959                 }
 960         }
 961
 962         if(rxdr->desc && rxdr->buffer_info) {
 963                 for(i = 0; i < rxdr->count; i++) {
 964                         if(rxdr->buffer_info[i].dma)
 965                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 966                                                  rxdr->buffer_info[i].length,
 967                                                  PCI_DMA_FROMDEVICE);
 968                         if(rxdr->buffer_info[i].skb)
 969                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 970                 }
 971         }
 972
 973         if(txdr->desc) {
 974                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 975                 txdr->desc = NULL;
 976         }
 977         if(rxdr->desc) {
 978                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 979                 rxdr->desc = NULL;
 980         }
 981
 982         kfree(txdr->buffer_info);
 983         txdr->buffer_info = NULL;
 984         kfree(rxdr->buffer_info);
 985         rxdr->buffer_info = NULL;
 986         return;
 987 }
 988
 989 static int
 990 e1000_setup_desc_rings(struct e1000_adapter *adapter)
 991 {
 992         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 993         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 994         struct pci_dev *pdev = adapter->pdev;
 995         uint32_t rctl;
 996         int size, i, ret_val;
 997
 998         /* Setup Tx descriptor ring and Tx buffers */
 999
1000         if(!txdr->count)
1001                 txdr->count = E1000_DEFAULT_TXD;
1002
1003         size = txdr->count * sizeof(struct e1000_buffer);
1004         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1005                 ret_val = 1;
1006                 goto err_nomem;
1007         }
1008         memset(txdr->buffer_info, 0, size);
1009
1010         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1011         E1000_ROUNDUP(txdr->size, 4096);
1012         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1013                 ret_val = 2;
1014                 goto err_nomem;
1015         }
1016         memset(txdr->desc, 0, txdr->size);
1017         txdr->next_to_use = txdr->next_to_clean = 0;
1018
1019         E1000_WRITE_REG(&adapter->hw, TDBAL,
1020                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1021         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1022         E1000_WRITE_REG(&adapter->hw, TDLEN,
1023                         txdr->count * sizeof(struct e1000_tx_desc));
1024         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1025         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1026         E1000_WRITE_REG(&adapter->hw, TCTL,
1027                         E1000_TCTL_PSP | E1000_TCTL_EN |
1028                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1029                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1030
1031         for(i = 0; i < txdr->count; i++) {
1032                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1033                 struct sk_buff *skb;
1034                 unsigned int size = 1024;
1035
1036                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1037                         ret_val = 3;
1038                         goto err_nomem;
1039                 }
1040                 skb_put(skb, size);
1041                 txdr->buffer_info[i].skb = skb;
1042                 txdr->buffer_info[i].length = skb->len;
1043                 txdr->buffer_info[i].dma =
1044                         pci_map_single(pdev, skb->data, skb->len,
1045                                        PCI_DMA_TODEVICE);
1046                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1047                 tx_desc->lower.data = cpu_to_le32(skb->len);
1048                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1049                                                    E1000_TXD_CMD_IFCS |
1050                                                    E1000_TXD_CMD_RPS);
1051                 tx_desc->upper.data = 0;
1052         }
1053
1054         /* Setup Rx descriptor ring and Rx buffers */
1055
1056         if(!rxdr->count)
1057                 rxdr->count = E1000_DEFAULT_RXD;
1058
1059         size = rxdr->count * sizeof(struct e1000_buffer);
1060         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1061                 ret_val = 4;
1062                 goto err_nomem;
1063         }
1064         memset(rxdr->buffer_info, 0, size);
1065
1066         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1067         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1068                 ret_val = 5;
1069                 goto err_nomem;
1070         }
1071         memset(rxdr->desc, 0, rxdr->size);
1072         rxdr->next_to_use = rxdr->next_to_clean = 0;
1073
1074         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1075         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1076         E1000_WRITE_REG(&adapter->hw, RDBAL,
1077                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1078         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1079         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1080         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1081         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1082         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1083                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1084                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1085         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1086
1087         for(i = 0; i < rxdr->count; i++) {
1088                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1089                 struct sk_buff *skb;
1090
1091                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1092                                 GFP_KERNEL))) {
1093                         ret_val = 6;
1094                         goto err_nomem;
1095                 }
1096                 skb_reserve(skb, NET_IP_ALIGN);
1097                 rxdr->buffer_info[i].skb = skb;
1098                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1099                 rxdr->buffer_info[i].dma =
1100                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1101                                        PCI_DMA_FROMDEVICE);
1102                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1103                 memset(skb->data, 0x00, skb->len);
1104         }
1105
1106         return 0;
1107
1108 err_nomem:
1109         e1000_free_desc_rings(adapter);
1110         return ret_val;
1111 }
1112
1113 static void
1114 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1115 {
1116         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1117         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1118         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1119         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1120         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1121 }
1122
1123 static void
1124 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1125 {
1126         uint16_t phy_reg;
1127
1128         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1129          * Extended PHY Specific Control Register to 25MHz clock.  This
1130          * value defaults back to a 2.5MHz clock when the PHY is reset.
1131          */
1132         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1133         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1134         e1000_write_phy_reg(&adapter->hw,
1135                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1136
1137         /* In addition, because of the s/w reset above, we need to enable
1138          * CRS on TX.  This must be set for both full and half duplex
1139          * operation.
1140          */
1141         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1142         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1143         e1000_write_phy_reg(&adapter->hw,
1144                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1145 }
1146
1147 static int
1148 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1149 {
1150         uint32_t ctrl_reg;
1151         uint16_t phy_reg;
1152
1153         /* Setup the Device Control Register for PHY loopback test. */
1154
1155         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1156         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1157                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1158                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1159                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1160                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1161
1162         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1163
1164         /* Read the PHY Specific Control Register (0x10) */
1165         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1166
1167         /* Clear Auto-Crossover bits in PHY Specific Control Register
1168          * (bits 6:5).
1169          */
1170         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1171         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1172
1173         /* Perform software reset on the PHY */
1174         e1000_phy_reset(&adapter->hw);
1175
1176         /* Have to setup TX_CLK and TX_CRS after software reset */
1177         e1000_phy_reset_clk_and_crs(adapter);
1178
1179         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1180
1181         /* Wait for reset to complete. */
1182         udelay(500);
1183
1184         /* Have to setup TX_CLK and TX_CRS after software reset */
1185         e1000_phy_reset_clk_and_crs(adapter);
1186
1187         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1188         e1000_phy_disable_receiver(adapter);
1189
1190         /* Set the loopback bit in the PHY control register. */
1191         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1192         phy_reg |= MII_CR_LOOPBACK;
1193         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1194
1195         /* Setup TX_CLK and TX_CRS one more time. */
1196         e1000_phy_reset_clk_and_crs(adapter);
1197
1198         /* Check Phy Configuration */
1199         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1200         if(phy_reg != 0x4100)
1201                  return 9;
1202
1203         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1204         if(phy_reg != 0x0070)
1205                 return 10;
1206
1207         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1208         if(phy_reg != 0x001A)
1209                 return 11;
1210
1211         return 0;
1212 }
1213
1214 static int
1215 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1216 {
1217         uint32_t ctrl_reg = 0;
1218         uint32_t stat_reg = 0;
1219
1220         adapter->hw.autoneg = FALSE;
1221
1222         if(adapter->hw.phy_type == e1000_phy_m88) {
1223                 /* Auto-MDI/MDIX Off */
1224                 e1000_write_phy_reg(&adapter->hw,
1225                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1226                 /* reset to update Auto-MDI/MDIX */
1227                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1228                 /* autoneg off */
1229                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1230         }
1231         /* force 1000, set loopback */
1232         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1233
1234         /* Now set up the MAC to the same speed/duplex as the PHY. */
1235         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1236         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1237         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1238                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1239                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1240                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1241
1242         if(adapter->hw.media_type == e1000_media_type_copper &&
1243            adapter->hw.phy_type == e1000_phy_m88) {
1244                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1245         } else {
1246                 /* Set the ILOS bit on the fiber Nic is half
1247                  * duplex link is detected. */
1248                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1249                 if((stat_reg & E1000_STATUS_FD) == 0)
1250                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1251         }
1252
1253         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1254
1255         /* Disable the receiver on the PHY so when a cable is plugged in, the
1256          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1257          */
1258         if(adapter->hw.phy_type == e1000_phy_m88)
1259                 e1000_phy_disable_receiver(adapter);
1260
1261         udelay(500);
1262
1263         return 0;
1264 }
1265
1266 static int
1267 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1268 {
1269         uint16_t phy_reg = 0;
1270         uint16_t count = 0;
1271
1272         switch (adapter->hw.mac_type) {
1273         case e1000_82543:
1274                 if(adapter->hw.media_type == e1000_media_type_copper) {
1275                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1276                          * Some PHY registers get corrupted at random, so
1277                          * attempt this 10 times.
1278                          */
1279                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1280                               count++ < 10);
1281                         if(count < 11)
1282                                 return 0;
1283                 }
1284                 break;
1285
1286         case e1000_82544:
1287         case e1000_82540:
1288         case e1000_82545:
1289         case e1000_82545_rev_3:
1290         case e1000_82546:
1291         case e1000_82546_rev_3:
1292         case e1000_82541:
1293         case e1000_82541_rev_2:
1294         case e1000_82547:
1295         case e1000_82547_rev_2:
1296         case e1000_82571:
1297         case e1000_82572:
1298         case e1000_82573:
1299                 return e1000_integrated_phy_loopback(adapter);
1300                 break;
1301
1302         default:
1303                 /* Default PHY loopback work is to read the MII
1304                  * control register and assert bit 14 (loopback mode).
1305                  */
1306                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1307                 phy_reg |= MII_CR_LOOPBACK;
1308                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1309                 return 0;
1310                 break;
1311         }
1312
1313         return 8;
1314 }
1315
1316 static int
1317 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1318 {
1319         uint32_t rctl;
1320
1321         if(adapter->hw.media_type == e1000_media_type_fiber ||
1322            adapter->hw.media_type == e1000_media_type_internal_serdes) {
1323                 if(adapter->hw.mac_type == e1000_82545 ||
1324                    adapter->hw.mac_type == e1000_82546 ||
1325                    adapter->hw.mac_type == e1000_82545_rev_3 ||
1326                    adapter->hw.mac_type == e1000_82546_rev_3)
1327                         return e1000_set_phy_loopback(adapter);
1328                 else {
1329                         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1330                         rctl |= E1000_RCTL_LBM_TCVR;
1331                         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1332                         return 0;
1333                 }
1334         } else if(adapter->hw.media_type == e1000_media_type_copper)
1335                 return e1000_set_phy_loopback(adapter);
1336
1337         return 7;
1338 }
1339
1340 static void
1341 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1342 {
1343         uint32_t rctl;
1344         uint16_t phy_reg;
1345
1346         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1347         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1348         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1349
1350         if(adapter->hw.media_type == e1000_media_type_copper ||
1351            ((adapter->hw.media_type == e1000_media_type_fiber ||
1352              adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1353             (adapter->hw.mac_type == e1000_82545 ||
1354              adapter->hw.mac_type == e1000_82546 ||
1355              adapter->hw.mac_type == e1000_82545_rev_3 ||
1356              adapter->hw.mac_type == e1000_82546_rev_3))) {
1357                 adapter->hw.autoneg = TRUE;
1358                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1359                 if(phy_reg & MII_CR_LOOPBACK) {
1360                         phy_reg &= ~MII_CR_LOOPBACK;
1361                         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1362                         e1000_phy_reset(&adapter->hw);
1363                 }
1364         }
1365 }
1366
1367 static void
1368 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1369 {
1370         memset(skb->data, 0xFF, frame_size);
1371         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1372         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1373         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1374         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1375 }
1376
1377 static int
1378 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1379 {
1380         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1381         if(*(skb->data + 3) == 0xFF) {
1382                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1383                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1384                         return 0;
1385                 }
1386         }
1387         return 13;
1388 }
1389
1390 static int
1391 e1000_run_loopback_test(struct e1000_adapter *adapter)
1392 {
1393         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1394         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1395         struct pci_dev *pdev = adapter->pdev;
1396         int i, j, k, l, lc, good_cnt, ret_val=0;
1397         unsigned long time;
1398
1399         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1400
1401         /* Calculate the loop count based on the largest descriptor ring
1402          * The idea is to wrap the largest ring a number of times using 64
1403          * send/receive pairs during each loop
1404          */
1405
1406         if(rxdr->count <= txdr->count)
1407                 lc = ((txdr->count / 64) * 2) + 1;
1408         else
1409                 lc = ((rxdr->count / 64) * 2) + 1;
1410
1411         k = l = 0;
1412         for(j = 0; j <= lc; j++) { /* loop count loop */
1413                 for(i = 0; i < 64; i++) { /* send the packets */
1414                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1415                                         1024);
1416                         pci_dma_sync_single_for_device(pdev,
1417                                         txdr->buffer_info[k].dma,
1418                                         txdr->buffer_info[k].length,
1419                                         PCI_DMA_TODEVICE);
1420                         if(unlikely(++k == txdr->count)) k = 0;
1421                 }
1422                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1423                 msec_delay(200);
1424                 time = jiffies; /* set the start time for the receive */
1425                 good_cnt = 0;
1426                 do { /* receive the sent packets */
1427                         pci_dma_sync_single_for_cpu(pdev,
1428                                         rxdr->buffer_info[l].dma,
1429                                         rxdr->buffer_info[l].length,
1430                                         PCI_DMA_FROMDEVICE);
1431
1432                         ret_val = e1000_check_lbtest_frame(
1433                                         rxdr->buffer_info[l].skb,
1434                                         1024);
1435                         if(!ret_val)
1436                                 good_cnt++;
1437                         if(unlikely(++l == rxdr->count)) l = 0;
1438                         /* time + 20 msecs (200 msecs on 2.4) is more than
1439                          * enough time to complete the receives, if it's
1440                          * exceeded, break and error off
1441                          */
1442                 } while (good_cnt < 64 && jiffies < (time + 20));
1443                 if(good_cnt != 64) {
1444                         ret_val = 13; /* ret_val is the same as mis-compare */
1445                         break;
1446                 }
1447                 if(jiffies >= (time + 2)) {
1448                         ret_val = 14; /* error code for time out error */
1449                         break;
1450                 }
1451         } /* end loop count loop */
1452         return ret_val;
1453 }
1454
1455 static int
1456 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1457 {
1458         /* PHY loopback cannot be performed if SoL/IDER
1459          * sessions are active */
1460         if (e1000_check_phy_reset_block(&adapter->hw)) {
1461                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1462                         "when SoL/IDER is active.\n");
1463                 *data = 0;
1464                 goto out;
1465         }
1466
1467         if ((*data = e1000_setup_desc_rings(adapter)))
1468                 goto out;
1469         if ((*data = e1000_setup_loopback_test(adapter)))
1470                 goto err_loopback;
1471         *data = e1000_run_loopback_test(adapter);
1472         e1000_loopback_cleanup(adapter);
1473
1474 err_loopback:
1475         e1000_free_desc_rings(adapter);
1476 out:
1477         return *data;
1478 }
1479
1480 static int
1481 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1482 {
1483         *data = 0;
1484         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1485                 int i = 0;
1486                 adapter->hw.serdes_link_down = TRUE;
1487
1488                 /* On some blade server designs, link establishment
1489                  * could take as long as 2-3 minutes */
1490                 do {
1491                         e1000_check_for_link(&adapter->hw);
1492                         if (adapter->hw.serdes_link_down == FALSE)
1493                                 return *data;
1494                         msec_delay(20);
1495                 } while (i++ < 3750);
1496
1497                 *data = 1;
1498         } else {
1499                 e1000_check_for_link(&adapter->hw);
1500                 if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1501                         msec_delay(4000);
1502
1503                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1504                         *data = 1;
1505                 }
1506         }
1507         return *data;
1508 }
1509
1510 static int
1511 e1000_diag_test_count(struct net_device *netdev)
1512 {
1513         return E1000_TEST_LEN;
1514 }
1515
1516 static void
1517 e1000_diag_test(struct net_device *netdev,
1518                    struct ethtool_test *eth_test, uint64_t *data)
1519 {
1520         struct e1000_adapter *adapter = netdev_priv(netdev);
1521         boolean_t if_running = netif_running(netdev);
1522
1523         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1524                 /* Offline tests */
1525
1526                 /* save speed, duplex, autoneg settings */
1527                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1528                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1529                 uint8_t autoneg = adapter->hw.autoneg;
1530
1531                 /* Link test performed before hardware reset so autoneg doesn't
1532                  * interfere with test result */
1533                 if(e1000_link_test(adapter, &data[4]))
1534                         eth_test->flags |= ETH_TEST_FL_FAILED;
1535
1536                 if(if_running)
1537                         e1000_down(adapter);
1538                 else
1539                         e1000_reset(adapter);
1540
1541                 if(e1000_reg_test(adapter, &data[0]))
1542                         eth_test->flags |= ETH_TEST_FL_FAILED;
1543
1544                 e1000_reset(adapter);
1545                 if(e1000_eeprom_test(adapter, &data[1]))
1546                         eth_test->flags |= ETH_TEST_FL_FAILED;
1547
1548                 e1000_reset(adapter);
1549                 if(e1000_intr_test(adapter, &data[2]))
1550                         eth_test->flags |= ETH_TEST_FL_FAILED;
1551
1552                 e1000_reset(adapter);
1553                 if(e1000_loopback_test(adapter, &data[3]))
1554                         eth_test->flags |= ETH_TEST_FL_FAILED;
1555
1556                 /* restore speed, duplex, autoneg settings */
1557                 adapter->hw.autoneg_advertised = autoneg_advertised;
1558                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1559                 adapter->hw.autoneg = autoneg;
1560
1561                 e1000_reset(adapter);
1562                 if(if_running)
1563                         e1000_up(adapter);
1564         } else {
1565                 /* Online tests */
1566                 if(e1000_link_test(adapter, &data[4]))
1567                         eth_test->flags |= ETH_TEST_FL_FAILED;
1568
1569                 /* Offline tests aren't run; pass by default */
1570                 data[0] = 0;
1571                 data[1] = 0;
1572                 data[2] = 0;
1573                 data[3] = 0;
1574         }
1575         msleep_interruptible(4 * 1000);
1576 }
1577
1578 static void
1579 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1580 {
1581         struct e1000_adapter *adapter = netdev_priv(netdev);
1582         struct e1000_hw *hw = &adapter->hw;
1583
1584         switch(adapter->hw.device_id) {
1585         case E1000_DEV_ID_82542:
1586         case E1000_DEV_ID_82543GC_FIBER:
1587         case E1000_DEV_ID_82543GC_COPPER:
1588         case E1000_DEV_ID_82544EI_FIBER:
1589         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1590         case E1000_DEV_ID_82545EM_FIBER:
1591         case E1000_DEV_ID_82545EM_COPPER:
1592                 wol->supported = 0;
1593                 wol->wolopts   = 0;
1594                 return;
1595
1596         case E1000_DEV_ID_82546EB_FIBER:
1597         case E1000_DEV_ID_82546GB_FIBER:
1598                 /* Wake events only supported on port A for dual fiber */
1599                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1600                         wol->supported = 0;
1601                         wol->wolopts   = 0;
1602                         return;
1603                 }
1604                 /* Fall Through */
1605
1606         default:
1607                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1608                                  WAKE_BCAST | WAKE_MAGIC;
1609
1610                 wol->wolopts = 0;
1611                 if(adapter->wol & E1000_WUFC_EX)
1612                         wol->wolopts |= WAKE_UCAST;
1613                 if(adapter->wol & E1000_WUFC_MC)
1614                         wol->wolopts |= WAKE_MCAST;
1615                 if(adapter->wol & E1000_WUFC_BC)
1616                         wol->wolopts |= WAKE_BCAST;
1617                 if(adapter->wol & E1000_WUFC_MAG)
1618                         wol->wolopts |= WAKE_MAGIC;
1619                 return;
1620         }
1621 }
1622
1623 static int
1624 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1625 {
1626         struct e1000_adapter *adapter = netdev_priv(netdev);
1627         struct e1000_hw *hw = &adapter->hw;
1628
1629         switch(adapter->hw.device_id) {
1630         case E1000_DEV_ID_82542:
1631         case E1000_DEV_ID_82543GC_FIBER:
1632         case E1000_DEV_ID_82543GC_COPPER:
1633         case E1000_DEV_ID_82544EI_FIBER:
1634         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1635         case E1000_DEV_ID_82545EM_FIBER:
1636         case E1000_DEV_ID_82545EM_COPPER:
1637                 return wol->wolopts ? -EOPNOTSUPP : 0;
1638
1639         case E1000_DEV_ID_82546EB_FIBER:
1640         case E1000_DEV_ID_82546GB_FIBER:
1641                 /* Wake events only supported on port A for dual fiber */
1642                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1643                         return wol->wolopts ? -EOPNOTSUPP : 0;
1644                 /* Fall Through */
1645
1646         default:
1647                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1648                         return -EOPNOTSUPP;
1649
1650                 adapter->wol = 0;
1651
1652                 if(wol->wolopts & WAKE_UCAST)
1653                         adapter->wol |= E1000_WUFC_EX;
1654                 if(wol->wolopts & WAKE_MCAST)
1655                         adapter->wol |= E1000_WUFC_MC;
1656                 if(wol->wolopts & WAKE_BCAST)
1657                         adapter->wol |= E1000_WUFC_BC;
1658                 if(wol->wolopts & WAKE_MAGIC)
1659                         adapter->wol |= E1000_WUFC_MAG;
1660         }
1661
1662         return 0;
1663 }
1664
1665 /* toggle LED 4 times per second = 2 "blinks" per second */
1666 #define E1000_ID_INTERVAL       (HZ/4)
1667
1668 /* bit defines for adapter->led_status */
1669 #define E1000_LED_ON            0
1670
1671 static void
1672 e1000_led_blink_callback(unsigned long data)
1673 {
1674         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1675
1676         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1677                 e1000_led_off(&adapter->hw);
1678         else
1679                 e1000_led_on(&adapter->hw);
1680
1681         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1682 }
1683
1684 static int
1685 e1000_phys_id(struct net_device *netdev, uint32_t data)
1686 {
1687         struct e1000_adapter *adapter = netdev_priv(netdev);
1688
1689         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1690                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1691
1692         if(adapter->hw.mac_type < e1000_82571) {
1693                 if(!adapter->blink_timer.function) {
1694                         init_timer(&adapter->blink_timer);
1695                         adapter->blink_timer.function = e1000_led_blink_callback;
1696                         adapter->blink_timer.data = (unsigned long) adapter;
1697                 }
1698                 e1000_setup_led(&adapter->hw);
1699                 mod_timer(&adapter->blink_timer, jiffies);
1700                 msleep_interruptible(data * 1000);
1701                 del_timer_sync(&adapter->blink_timer);
1702         } else if (adapter->hw.mac_type < e1000_82573) {
1703                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1704                         (E1000_LEDCTL_LED2_BLINK_RATE |
1705                          E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1706                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1707                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1708                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1709                 msleep_interruptible(data * 1000);
1710         } else {
1711                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1712                         (E1000_LEDCTL_LED2_BLINK_RATE |
1713                          E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1714                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1715                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1716                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1717                 msleep_interruptible(data * 1000);
1718         }
1719
1720         e1000_led_off(&adapter->hw);
1721         clear_bit(E1000_LED_ON, &adapter->led_status);
1722         e1000_cleanup_led(&adapter->hw);
1723
1724         return 0;
1725 }
1726
1727 static int
1728 e1000_nway_reset(struct net_device *netdev)
1729 {
1730         struct e1000_adapter *adapter = netdev_priv(netdev);
1731         if(netif_running(netdev)) {
1732                 e1000_down(adapter);
1733                 e1000_up(adapter);
1734         }
1735         return 0;
1736 }
1737
1738 static int
1739 e1000_get_stats_count(struct net_device *netdev)
1740 {
1741         return E1000_STATS_LEN;
1742 }
1743
1744 static void
1745 e1000_get_ethtool_stats(struct net_device *netdev,
1746                 struct ethtool_stats *stats, uint64_t *data)
1747 {
1748         struct e1000_adapter *adapter = netdev_priv(netdev);
1749         int i;
1750
1751         e1000_update_stats(adapter);
1752         for(i = 0; i < E1000_STATS_LEN; i++) {
1753                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1754                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1755                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1756         }
1757 }
1758
1759 static void
1760 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1761 {
1762         int i;
1763
1764         switch(stringset) {
1765         case ETH_SS_TEST:
1766                 memcpy(data, *e1000_gstrings_test,
1767                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1768                 break;
1769         case ETH_SS_STATS:
1770                 for (i=0; i < E1000_STATS_LEN; i++) {
1771                         memcpy(data + i * ETH_GSTRING_LEN,
1772                         e1000_gstrings_stats[i].stat_string,
1773                         ETH_GSTRING_LEN);
1774                 }
1775                 break;
1776         }
1777 }
1778
1779 static struct ethtool_ops e1000_ethtool_ops = {
1780         .get_settings           = e1000_get_settings,
1781         .set_settings           = e1000_set_settings,
1782         .get_drvinfo            = e1000_get_drvinfo,
1783         .get_regs_len           = e1000_get_regs_len,
1784         .get_regs               = e1000_get_regs,
1785         .get_wol                = e1000_get_wol,
1786         .set_wol                = e1000_set_wol,
1787         .get_msglevel           = e1000_get_msglevel,
1788         .set_msglevel           = e1000_set_msglevel,
1789         .nway_reset             = e1000_nway_reset,
1790         .get_link               = ethtool_op_get_link,
1791         .get_eeprom_len         = e1000_get_eeprom_len,
1792         .get_eeprom             = e1000_get_eeprom,
1793         .set_eeprom             = e1000_set_eeprom,
1794         .get_ringparam          = e1000_get_ringparam,
1795         .set_ringparam          = e1000_set_ringparam,
1796         .get_pauseparam         = e1000_get_pauseparam,
1797         .set_pauseparam         = e1000_set_pauseparam,
1798         .get_rx_csum            = e1000_get_rx_csum,
1799         .set_rx_csum            = e1000_set_rx_csum,
1800         .get_tx_csum            = e1000_get_tx_csum,
1801         .set_tx_csum            = e1000_set_tx_csum,
1802         .get_sg                 = ethtool_op_get_sg,
1803         .set_sg                 = ethtool_op_set_sg,
1804 #ifdef NETIF_F_TSO
1805         .get_tso                = ethtool_op_get_tso,
1806         .set_tso                = e1000_set_tso,
1807 #endif
1808         .self_test_count        = e1000_diag_test_count,
1809         .self_test              = e1000_diag_test,
1810         .get_strings            = e1000_get_strings,
1811         .phys_id                = e1000_phys_id,
1812         .get_stats_count        = e1000_get_stats_count,
1813         .get_ethtool_stats      = e1000_get_ethtool_stats,
1814         .get_perm_addr          = ethtool_op_get_perm_addr,
1815 };
1816
1817 void e1000_set_ethtool_ops(struct net_device *netdev)
1818 {
1819         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1820 }