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         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  84         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  85         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  86         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  87         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  88         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  89         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  90         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  91         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  92         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  93         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  94         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  95         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  96 };
  97 #define E1000_STATS_LEN \
  98         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
  99 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 100         "Register test  (offline)", "Eeprom test    (offline)",
 101         "Interrupt test (offline)", "Loopback test  (offline)",
 102         "Link test   (on/offline)"
 103 };
 104 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
 105
 106 static int
 107 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 108 {
 109         struct e1000_adapter *adapter = netdev_priv(netdev);
 110         struct e1000_hw *hw = &adapter->hw;
 111
 112         if(hw->media_type == e1000_media_type_copper) {
 113
 114                 ecmd->supported = (SUPPORTED_10baseT_Half |
 115                                    SUPPORTED_10baseT_Full |
 116                                    SUPPORTED_100baseT_Half |
 117                                    SUPPORTED_100baseT_Full |
 118                                    SUPPORTED_1000baseT_Full|
 119                                    SUPPORTED_Autoneg |
 120                                    SUPPORTED_TP);
 121
 122                 ecmd->advertising = ADVERTISED_TP;
 123
 124                 if(hw->autoneg == 1) {
 125                         ecmd->advertising |= ADVERTISED_Autoneg;
 126
 127                         /* the e1000 autoneg seems to match ethtool nicely */
 128
 129                         ecmd->advertising |= hw->autoneg_advertised;
 130                 }
 131
 132                 ecmd->port = PORT_TP;
 133                 ecmd->phy_address = hw->phy_addr;
 134
 135                 if(hw->mac_type == e1000_82543)
 136                         ecmd->transceiver = XCVR_EXTERNAL;
 137                 else
 138                         ecmd->transceiver = XCVR_INTERNAL;
 139
 140         } else {
 141                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 142                                      SUPPORTED_FIBRE |
 143                                      SUPPORTED_Autoneg);
 144
 145                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 146                                      ADVERTISED_FIBRE |
 147                                      ADVERTISED_Autoneg);
 148
 149                 ecmd->port = PORT_FIBRE;
 150
 151                 if(hw->mac_type >= e1000_82545)
 152                         ecmd->transceiver = XCVR_INTERNAL;
 153                 else
 154                         ecmd->transceiver = XCVR_EXTERNAL;
 155         }
 156
 157         if(netif_carrier_ok(adapter->netdev)) {
 158
 159                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 160                                                    &adapter->link_duplex);
 161                 ecmd->speed = adapter->link_speed;
 162
 163                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 164                  *          and HALF_DUPLEX != DUPLEX_HALF */
 165
 166                 if(adapter->link_duplex == FULL_DUPLEX)
 167                         ecmd->duplex = DUPLEX_FULL;
 168                 else
 169                         ecmd->duplex = DUPLEX_HALF;
 170         } else {
 171                 ecmd->speed = -1;
 172                 ecmd->duplex = -1;
 173         }
 174
 175         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 176                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 177         return 0;
 178 }
 179
 180 static int
 181 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 182 {
 183         struct e1000_adapter *adapter = netdev_priv(netdev);
 184         struct e1000_hw *hw = &adapter->hw;
 185
 186         if(ecmd->autoneg == AUTONEG_ENABLE) {
 187                 hw->autoneg = 1;
 188                 if(hw->media_type == e1000_media_type_fiber)
 189                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 190                                      ADVERTISED_FIBRE |
 191                                      ADVERTISED_Autoneg;
 192                 else
 193                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 194                                                   ADVERTISED_10baseT_Full |
 195                                                   ADVERTISED_100baseT_Half |
 196                                                   ADVERTISED_100baseT_Full |
 197                                                   ADVERTISED_1000baseT_Full|
 198                                                   ADVERTISED_Autoneg |
 199                                                   ADVERTISED_TP;
 200                 ecmd->advertising = hw->autoneg_advertised;
 201         } else
 202                 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 203                         return -EINVAL;
 204
 205         /* reset the link */
 206
 207         if(netif_running(adapter->netdev)) {
 208                 e1000_down(adapter);
 209                 e1000_reset(adapter);
 210                 e1000_up(adapter);
 211         } else
 212                 e1000_reset(adapter);
 213
 214         return 0;
 215 }
 216
 217 static void
 218 e1000_get_pauseparam(struct net_device *netdev,
 219                      struct ethtool_pauseparam *pause)
 220 {
 221         struct e1000_adapter *adapter = netdev_priv(netdev);
 222         struct e1000_hw *hw = &adapter->hw;
 223
 224         pause->autoneg =
 225                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 226
 227         if(hw->fc == e1000_fc_rx_pause)
 228                 pause->rx_pause = 1;
 229         else if(hw->fc == e1000_fc_tx_pause)
 230                 pause->tx_pause = 1;
 231         else if(hw->fc == e1000_fc_full) {
 232                 pause->rx_pause = 1;
 233                 pause->tx_pause = 1;
 234         }
 235 }
 236
 237 static int
 238 e1000_set_pauseparam(struct net_device *netdev,
 239                      struct ethtool_pauseparam *pause)
 240 {
 241         struct e1000_adapter *adapter = netdev_priv(netdev);
 242         struct e1000_hw *hw = &adapter->hw;
 243
 244         adapter->fc_autoneg = pause->autoneg;
 245
 246         if(pause->rx_pause && pause->tx_pause)
 247                 hw->fc = e1000_fc_full;
 248         else if(pause->rx_pause && !pause->tx_pause)
 249                 hw->fc = e1000_fc_rx_pause;
 250         else if(!pause->rx_pause && pause->tx_pause)
 251                 hw->fc = e1000_fc_tx_pause;
 252         else if(!pause->rx_pause && !pause->tx_pause)
 253                 hw->fc = e1000_fc_none;
 254
 255         hw->original_fc = hw->fc;
 256
 257         if(adapter->fc_autoneg == AUTONEG_ENABLE) {
 258                 if(netif_running(adapter->netdev)) {
 259                         e1000_down(adapter);
 260                         e1000_up(adapter);
 261                 } else
 262                         e1000_reset(adapter);
 263         }
 264         else
 265                 return ((hw->media_type == e1000_media_type_fiber) ?
 266                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 267
 268         return 0;
 269 }
 270
 271 static uint32_t
 272 e1000_get_rx_csum(struct net_device *netdev)
 273 {
 274         struct e1000_adapter *adapter = netdev_priv(netdev);
 275         return adapter->rx_csum;
 276 }
 277
 278 static int
 279 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 280 {
 281         struct e1000_adapter *adapter = netdev_priv(netdev);
 282         adapter->rx_csum = data;
 283
 284         if(netif_running(netdev)) {
 285                 e1000_down(adapter);
 286                 e1000_up(adapter);
 287         } else
 288                 e1000_reset(adapter);
 289         return 0;
 290 }
 291
 292 static uint32_t
 293 e1000_get_tx_csum(struct net_device *netdev)
 294 {
 295         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 296 }
 297
 298 static int
 299 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 300 {
 301         struct e1000_adapter *adapter = netdev_priv(netdev);
 302
 303         if(adapter->hw.mac_type < e1000_82543) {
 304                 if (!data)
 305                         return -EINVAL;
 306                 return 0;
 307         }
 308
 309         if (data)
 310                 netdev->features |= NETIF_F_HW_CSUM;
 311         else
 312                 netdev->features &= ~NETIF_F_HW_CSUM;
 313
 314         return 0;
 315 }
 316
 317 #ifdef NETIF_F_TSO
 318 static int
 319 e1000_set_tso(struct net_device *netdev, uint32_t data)
 320 {
 321         struct e1000_adapter *adapter = netdev_priv(netdev);
 322         if((adapter->hw.mac_type < e1000_82544) ||
 323             (adapter->hw.mac_type == e1000_82547))
 324                 return data ? -EINVAL : 0;
 325
 326         if (data)
 327                 netdev->features |= NETIF_F_TSO;
 328         else
 329                 netdev->features &= ~NETIF_F_TSO;
 330         return 0;
 331 }
 332 #endif /* NETIF_F_TSO */
 333
 334 static uint32_t
 335 e1000_get_msglevel(struct net_device *netdev)
 336 {
 337         struct e1000_adapter *adapter = netdev_priv(netdev);
 338         return adapter->msg_enable;
 339 }
 340
 341 static void
 342 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 343 {
 344         struct e1000_adapter *adapter = netdev_priv(netdev);
 345         adapter->msg_enable = data;
 346 }
 347
 348 static int
 349 e1000_get_regs_len(struct net_device *netdev)
 350 {
 351 #define E1000_REGS_LEN 32
 352         return E1000_REGS_LEN * sizeof(uint32_t);
 353 }
 354
 355 static void
 356 e1000_get_regs(struct net_device *netdev,
 357                struct ethtool_regs *regs, void *p)
 358 {
 359         struct e1000_adapter *adapter = netdev_priv(netdev);
 360         struct e1000_hw *hw = &adapter->hw;
 361         uint32_t *regs_buff = p;
 362         uint16_t phy_data;
 363
 364         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 365
 366         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 367
 368         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 369         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 370
 371         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 372         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 373         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 374         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 375         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 376
 377         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 378         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 379         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 380         regs_buff[10] = E1000_READ_REG(hw, TDT);
 381         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 382
 383         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 384         if(hw->phy_type == e1000_phy_igp) {
 385                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 386                                     IGP01E1000_PHY_AGC_A);
 387                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 388                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 389                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 390                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 391                                     IGP01E1000_PHY_AGC_B);
 392                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 393                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 394                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 395                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 396                                     IGP01E1000_PHY_AGC_C);
 397                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 398                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 399                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 400                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 401                                     IGP01E1000_PHY_AGC_D);
 402                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 403                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 404                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 405                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 406                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 407                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 408                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 409                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 410                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 411                                     IGP01E1000_PHY_PCS_INIT_REG);
 412                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 413                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 414                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 415                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 416                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 417                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 418                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 419         } else {
 420                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 421                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 422                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 423                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 424                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 425                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 426                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 427                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 428                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 429                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 430                 /* phy receive errors */
 431                 regs_buff[22] = adapter->phy_stats.receive_errors;
 432                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 433         }
 434         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 435         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 436         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 437         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 438         if(hw->mac_type >= e1000_82540 &&
 439            hw->media_type == e1000_media_type_copper) {
 440                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 441         }
 442 }
 443
 444 static int
 445 e1000_get_eeprom_len(struct net_device *netdev)
 446 {
 447         struct e1000_adapter *adapter = netdev_priv(netdev);
 448         return adapter->hw.eeprom.word_size * 2;
 449 }
 450
 451 static int
 452 e1000_get_eeprom(struct net_device *netdev,
 453                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 454 {
 455         struct e1000_adapter *adapter = netdev_priv(netdev);
 456         struct e1000_hw *hw = &adapter->hw;
 457         uint16_t *eeprom_buff;
 458         int first_word, last_word;
 459         int ret_val = 0;
 460         uint16_t i;
 461
 462         if(eeprom->len == 0)
 463                 return -EINVAL;
 464
 465         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 466
 467         first_word = eeprom->offset >> 1;
 468         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 469
 470         eeprom_buff = kmalloc(sizeof(uint16_t) *
 471                         (last_word - first_word + 1), GFP_KERNEL);
 472         if(!eeprom_buff)
 473                 return -ENOMEM;
 474
 475         if(hw->eeprom.type == e1000_eeprom_spi)
 476                 ret_val = e1000_read_eeprom(hw, first_word,
 477                                             last_word - first_word + 1,
 478                                             eeprom_buff);
 479         else {
 480                 for (i = 0; i < last_word - first_word + 1; i++)
 481                         if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 482                                                         &eeprom_buff[i])))
 483                                 break;
 484         }
 485
 486         /* Device's eeprom is always little-endian, word addressable */
 487         for (i = 0; i < last_word - first_word + 1; i++)
 488                 le16_to_cpus(&eeprom_buff[i]);
 489
 490         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 491                         eeprom->len);
 492         kfree(eeprom_buff);
 493
 494         return ret_val;
 495 }
 496
 497 static int
 498 e1000_set_eeprom(struct net_device *netdev,
 499                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 500 {
 501         struct e1000_adapter *adapter = netdev_priv(netdev);
 502         struct e1000_hw *hw = &adapter->hw;
 503         uint16_t *eeprom_buff;
 504         void *ptr;
 505         int max_len, first_word, last_word, ret_val = 0;
 506         uint16_t i;
 507
 508         if(eeprom->len == 0)
 509                 return -EOPNOTSUPP;
 510
 511         if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 512                 return -EFAULT;
 513
 514         max_len = hw->eeprom.word_size * 2;
 515
 516         first_word = eeprom->offset >> 1;
 517         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 518         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 519         if(!eeprom_buff)
 520                 return -ENOMEM;
 521
 522         ptr = (void *)eeprom_buff;
 523
 524         if(eeprom->offset & 1) {
 525                 /* need read/modify/write of first changed EEPROM word */
 526                 /* only the second byte of the word is being modified */
 527                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 528                                             &eeprom_buff[0]);
 529                 ptr++;
 530         }
 531         if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 532                 /* need read/modify/write of last changed EEPROM word */
 533                 /* only the first byte of the word is being modified */
 534                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 535                                   &eeprom_buff[last_word - first_word]);
 536         }
 537
 538         /* Device's eeprom is always little-endian, word addressable */
 539         for (i = 0; i < last_word - first_word + 1; i++)
 540                 le16_to_cpus(&eeprom_buff[i]);
 541
 542         memcpy(ptr, bytes, eeprom->len);
 543
 544         for (i = 0; i < last_word - first_word + 1; i++)
 545                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 546
 547         ret_val = e1000_write_eeprom(hw, first_word,
 548                                      last_word - first_word + 1, eeprom_buff);
 549
 550         /* Update the checksum over the first part of the EEPROM if needed
 551          * and flush shadow RAM for 82573 conrollers */
 552         if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 553                                 (hw->mac_type == e1000_82573)))
 554                 e1000_update_eeprom_checksum(hw);
 555
 556         kfree(eeprom_buff);
 557         return ret_val;
 558 }
 559
 560 static void
 561 e1000_get_drvinfo(struct net_device *netdev,
 562                        struct ethtool_drvinfo *drvinfo)
 563 {
 564         struct e1000_adapter *adapter = netdev_priv(netdev);
 565         char firmware_version[32];
 566         uint16_t eeprom_data;
 567
 568         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 569         strncpy(drvinfo->version, e1000_driver_version, 32);
 570
 571         /* EEPROM image version # is reported as firware version # for
 572          * 8257{1|2|3} controllers */
 573         e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
 574         switch (adapter->hw.mac_type) {
 575         case e1000_82571:
 576         case e1000_82572:
 577         case e1000_82573:
 578                 sprintf(firmware_version, "%d.%d-%d",
 579                         (eeprom_data & 0xF000) >> 12,
 580                         (eeprom_data & 0x0FF0) >> 4,
 581                         eeprom_data & 0x000F);
 582                 break;
 583         default:
 584                 sprintf(firmware_version, "n/a");
 585         }
 586
 587         strncpy(drvinfo->fw_version, firmware_version, 32);
 588         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 589         drvinfo->n_stats = E1000_STATS_LEN;
 590         drvinfo->testinfo_len = E1000_TEST_LEN;
 591         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 592         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 593 }
 594
 595 static void
 596 e1000_get_ringparam(struct net_device *netdev,
 597                     struct ethtool_ringparam *ring)
 598 {
 599         struct e1000_adapter *adapter = netdev_priv(netdev);
 600         e1000_mac_type mac_type = adapter->hw.mac_type;
 601         struct e1000_tx_ring *txdr = adapter->tx_ring;
 602         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 603
 604         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 605                 E1000_MAX_82544_RXD;
 606         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 607                 E1000_MAX_82544_TXD;
 608         ring->rx_mini_max_pending = 0;
 609         ring->rx_jumbo_max_pending = 0;
 610         ring->rx_pending = rxdr->count;
 611         ring->tx_pending = txdr->count;
 612         ring->rx_mini_pending = 0;
 613         ring->rx_jumbo_pending = 0;
 614 }
 615
 616 static int
 617 e1000_set_ringparam(struct net_device *netdev,
 618                     struct ethtool_ringparam *ring)
 619 {
 620         struct e1000_adapter *adapter = netdev_priv(netdev);
 621         e1000_mac_type mac_type = adapter->hw.mac_type;
 622         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 623         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 624         int i, err, tx_ring_size, rx_ring_size;
 625
 626         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
 627         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
 628
 629         if (netif_running(adapter->netdev))
 630                 e1000_down(adapter);
 631
 632         tx_old = adapter->tx_ring;
 633         rx_old = adapter->rx_ring;
 634
 635         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 636         if (!adapter->tx_ring) {
 637                 err = -ENOMEM;
 638                 goto err_setup_rx;
 639         }
 640         memset(adapter->tx_ring, 0, tx_ring_size);
 641
 642         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 643         if (!adapter->rx_ring) {
 644                 kfree(adapter->tx_ring);
 645                 err = -ENOMEM;
 646                 goto err_setup_rx;
 647         }
 648         memset(adapter->rx_ring, 0, rx_ring_size);
 649
 650         txdr = adapter->tx_ring;
 651         rxdr = adapter->rx_ring;
 652
 653         if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 654                 return -EINVAL;
 655
 656         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 657         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 658                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 659         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 660
 661         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 662         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 663                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 664         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 665
 666         for (i = 0; i < adapter->num_queues; i++) {
 667                 txdr[i].count = txdr->count;
 668                 rxdr[i].count = rxdr->count;
 669         }
 670
 671         if(netif_running(adapter->netdev)) {
 672                 /* Try to get new resources before deleting old */
 673                 if ((err = e1000_setup_all_rx_resources(adapter)))
 674                         goto err_setup_rx;
 675                 if ((err = e1000_setup_all_tx_resources(adapter)))
 676                         goto err_setup_tx;
 677
 678                 /* save the new, restore the old in order to free it,
 679                  * then restore the new back again */
 680
 681                 rx_new = adapter->rx_ring;
 682                 tx_new = adapter->tx_ring;
 683                 adapter->rx_ring = rx_old;
 684                 adapter->tx_ring = tx_old;
 685                 e1000_free_all_rx_resources(adapter);
 686                 e1000_free_all_tx_resources(adapter);
 687                 kfree(tx_old);
 688                 kfree(rx_old);
 689                 adapter->rx_ring = rx_new;
 690                 adapter->tx_ring = tx_new;
 691                 if((err = e1000_up(adapter)))
 692                         return err;
 693         }
 694
 695         return 0;
 696 err_setup_tx:
 697         e1000_free_all_rx_resources(adapter);
 698 err_setup_rx:
 699         adapter->rx_ring = rx_old;
 700         adapter->tx_ring = tx_old;
 701         e1000_up(adapter);
 702         return err;
 703 }
 704
 705 #define REG_PATTERN_TEST(R, M, W)                                              \
 706 {                                                                              \
 707         uint32_t pat, value;                                                   \
 708         uint32_t test[] =                                                      \
 709                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 710         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 711                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 712                 value = E1000_READ_REG(&adapter->hw, R);                       \
 713                 if(value != (test[pat] & W & M)) {                             \
 714                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 715                                 "0x%08X expected 0x%08X\n",                    \
 716                                 E1000_##R, value, (test[pat] & W & M));        \
 717                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 718                                 E1000_82542_##R : E1000_##R;                   \
 719                         return 1;                                              \
 720                 }                                                              \
 721         }                                                                      \
 722 }
 723
 724 #define REG_SET_AND_CHECK(R, M, W)                                             \
 725 {                                                                              \
 726         uint32_t value;                                                        \
 727         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 728         value = E1000_READ_REG(&adapter->hw, R);                               \
 729         if((W & M) != (value & M)) {                                          \
 730                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 731                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 732                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 733                         E1000_82542_##R : E1000_##R;                           \
 734                 return 1;                                                      \
 735         }                                                                      \
 736 }
 737
 738 static int
 739 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 740 {
 741         uint32_t value, before, after;
 742         uint32_t i, toggle;
 743
 744         /* The status register is Read Only, so a write should fail.
 745          * Some bits that get toggled are ignored.
 746          */
 747         switch (adapter->hw.mac_type) {
 748         /* there are several bits on newer hardware that are r/w */
 749         case e1000_82571:
 750         case e1000_82572:
 751                 toggle = 0x7FFFF3FF;
 752                 break;
 753         case e1000_82573:
 754                 toggle = 0x7FFFF033;
 755                 break;
 756         default:
 757                 toggle = 0xFFFFF833;
 758                 break;
 759         }
 760
 761         before = E1000_READ_REG(&adapter->hw, STATUS);
 762         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 763         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 764         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 765         if(value != after) {
 766                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 767                         "0x%08X expected: 0x%08X\n", after, value);
 768                 *data = 1;
 769                 return 1;
 770         }
 771         /* restore previous status */
 772         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 773
 774         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 775         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 776         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 777         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 778         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 779         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 780         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 781         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 782         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 783         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 784         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 785         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 786         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 787         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 788
 789         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 790         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 791         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 792
 793         if(adapter->hw.mac_type >= e1000_82543) {
 794
 795                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 796                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 797                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 798                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 799                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 800
 801                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 802                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 803                                          0xFFFFFFFF);
 804                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 805                                          0xFFFFFFFF);
 806                 }
 807
 808         } else {
 809
 810                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 811                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 812                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 813                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 814
 815         }
 816
 817         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 818                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 819
 820         *data = 0;
 821         return 0;
 822 }
 823
 824 static int
 825 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 826 {
 827         uint16_t temp;
 828         uint16_t checksum = 0;
 829         uint16_t i;
 830
 831         *data = 0;
 832         /* Read and add up the contents of the EEPROM */
 833         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 834                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 835                         *data = 1;
 836                         break;
 837                 }
 838                 checksum += temp;
 839         }
 840
 841         /* If Checksum is not Correct return error else test passed */
 842         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 843                 *data = 2;
 844
 845         return *data;
 846 }
 847
 848 static irqreturn_t
 849 e1000_test_intr(int irq,
 850                 void *data,
 851                 struct pt_regs *regs)
 852 {
 853         struct net_device *netdev = (struct net_device *) data;
 854         struct e1000_adapter *adapter = netdev_priv(netdev);
 855
 856         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 857
 858         return IRQ_HANDLED;
 859 }
 860
 861 static int
 862 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 863 {
 864         struct net_device *netdev = adapter->netdev;
 865         uint32_t mask, i=0, shared_int = TRUE;
 866         uint32_t irq = adapter->pdev->irq;
 867
 868         *data = 0;
 869
 870         /* Hook up test interrupt handler just for this test */
 871         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 872                 shared_int = FALSE;
 873         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 874                               netdev->name, netdev)){
 875                 *data = 1;
 876                 return -1;
 877         }
 878
 879         /* Disable all the interrupts */
 880         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 881         msec_delay(10);
 882
 883         /* Test each interrupt */
 884         for(; i < 10; i++) {
 885
 886                 /* Interrupt to test */
 887                 mask = 1 << i;
 888
 889                 if(!shared_int) {
 890                         /* Disable the interrupt to be reported in
 891                          * the cause register and then force the same
 892                          * interrupt and see if one gets posted.  If
 893                          * an interrupt was posted to the bus, the
 894                          * test failed.
 895                          */
 896                         adapter->test_icr = 0;
 897                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 898                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 899                         msec_delay(10);
 900
 901                         if(adapter->test_icr & mask) {
 902                                 *data = 3;
 903                                 break;
 904                         }
 905                 }
 906
 907                 /* Enable the interrupt to be reported in
 908                  * the cause register and then force the same
 909                  * interrupt and see if one gets posted.  If
 910                  * an interrupt was not posted to the bus, the
 911                  * test failed.
 912                  */
 913                 adapter->test_icr = 0;
 914                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 915                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 916                 msec_delay(10);
 917
 918                 if(!(adapter->test_icr & mask)) {
 919                         *data = 4;
 920                         break;
 921                 }
 922
 923                 if(!shared_int) {
 924                         /* Disable the other interrupts to be reported in
 925                          * the cause register and then force the other
 926                          * interrupts and see if any get posted.  If
 927                          * an interrupt was posted to the bus, the
 928                          * test failed.
 929                          */
 930                         adapter->test_icr = 0;
 931                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 932                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 933                         msec_delay(10);
 934
 935                         if(adapter->test_icr) {
 936                                 *data = 5;
 937                                 break;
 938                         }
 939                 }
 940         }
 941
 942         /* Disable all the interrupts */
 943         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 944         msec_delay(10);
 945
 946         /* Unhook test interrupt handler */
 947         free_irq(irq, netdev);
 948
 949         return *data;
 950 }
 951
 952 static void
 953 e1000_free_desc_rings(struct e1000_adapter *adapter)
 954 {
 955         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 956         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 957         struct pci_dev *pdev = adapter->pdev;
 958         int i;
 959
 960         if(txdr->desc && txdr->buffer_info) {
 961                 for(i = 0; i < txdr->count; i++) {
 962                         if(txdr->buffer_info[i].dma)
 963                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 964                                                  txdr->buffer_info[i].length,
 965                                                  PCI_DMA_TODEVICE);
 966                         if(txdr->buffer_info[i].skb)
 967                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 968                 }
 969         }
 970
 971         if(rxdr->desc && rxdr->buffer_info) {
 972                 for(i = 0; i < rxdr->count; i++) {
 973                         if(rxdr->buffer_info[i].dma)
 974                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 975                                                  rxdr->buffer_info[i].length,
 976                                                  PCI_DMA_FROMDEVICE);
 977                         if(rxdr->buffer_info[i].skb)
 978                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 979                 }
 980         }
 981
 982         if(txdr->desc) {
 983                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 984                 txdr->desc = NULL;
 985         }
 986         if(rxdr->desc) {
 987                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 988                 rxdr->desc = NULL;
 989         }
 990
 991         kfree(txdr->buffer_info);
 992         txdr->buffer_info = NULL;
 993
 994         kfree(rxdr->buffer_info);
 995         rxdr->buffer_info = NULL;
 996
 997         return;
 998 }
 999
1000 static int
1001 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1002 {
1003         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1004         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1005         struct pci_dev *pdev = adapter->pdev;
1006         uint32_t rctl;
1007         int size, i, ret_val;
1008
1009         /* Setup Tx descriptor ring and Tx buffers */
1010
1011         if(!txdr->count)
1012                 txdr->count = E1000_DEFAULT_TXD;
1013
1014         size = txdr->count * sizeof(struct e1000_buffer);
1015         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1016                 ret_val = 1;
1017                 goto err_nomem;
1018         }
1019         memset(txdr->buffer_info, 0, size);
1020
1021         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1022         E1000_ROUNDUP(txdr->size, 4096);
1023         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1024                 ret_val = 2;
1025                 goto err_nomem;
1026         }
1027         memset(txdr->desc, 0, txdr->size);
1028         txdr->next_to_use = txdr->next_to_clean = 0;
1029
1030         E1000_WRITE_REG(&adapter->hw, TDBAL,
1031                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1032         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1033         E1000_WRITE_REG(&adapter->hw, TDLEN,
1034                         txdr->count * sizeof(struct e1000_tx_desc));
1035         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1036         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1037         E1000_WRITE_REG(&adapter->hw, TCTL,
1038                         E1000_TCTL_PSP | E1000_TCTL_EN |
1039                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1040                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1041
1042         for(i = 0; i < txdr->count; i++) {
1043                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1044                 struct sk_buff *skb;
1045                 unsigned int size = 1024;
1046
1047                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1048                         ret_val = 3;
1049                         goto err_nomem;
1050                 }
1051                 skb_put(skb, size);
1052                 txdr->buffer_info[i].skb = skb;
1053                 txdr->buffer_info[i].length = skb->len;
1054                 txdr->buffer_info[i].dma =
1055                         pci_map_single(pdev, skb->data, skb->len,
1056                                        PCI_DMA_TODEVICE);
1057                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1058                 tx_desc->lower.data = cpu_to_le32(skb->len);
1059                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1060                                                    E1000_TXD_CMD_IFCS |
1061                                                    E1000_TXD_CMD_RPS);
1062                 tx_desc->upper.data = 0;
1063         }
1064
1065         /* Setup Rx descriptor ring and Rx buffers */
1066
1067         if(!rxdr->count)
1068                 rxdr->count = E1000_DEFAULT_RXD;
1069
1070         size = rxdr->count * sizeof(struct e1000_buffer);
1071         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1072                 ret_val = 4;
1073                 goto err_nomem;
1074         }
1075         memset(rxdr->buffer_info, 0, size);
1076
1077         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1078         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1079                 ret_val = 5;
1080                 goto err_nomem;
1081         }
1082         memset(rxdr->desc, 0, rxdr->size);
1083         rxdr->next_to_use = rxdr->next_to_clean = 0;
1084
1085         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1086         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1087         E1000_WRITE_REG(&adapter->hw, RDBAL,
1088                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1089         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1090         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1091         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1092         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1093         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1094                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1095                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1096         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1097
1098         for(i = 0; i < rxdr->count; i++) {
1099                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1100                 struct sk_buff *skb;
1101
1102                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1103                                 GFP_KERNEL))) {
1104                         ret_val = 6;
1105                         goto err_nomem;
1106                 }
1107                 skb_reserve(skb, NET_IP_ALIGN);
1108                 rxdr->buffer_info[i].skb = skb;
1109                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1110                 rxdr->buffer_info[i].dma =
1111                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1112                                        PCI_DMA_FROMDEVICE);
1113                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1114                 memset(skb->data, 0x00, skb->len);
1115         }
1116
1117         return 0;
1118
1119 err_nomem:
1120         e1000_free_desc_rings(adapter);
1121         return ret_val;
1122 }
1123
1124 static void
1125 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1126 {
1127         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1128         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1129         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1130         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1131         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1132 }
1133
1134 static void
1135 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1136 {
1137         uint16_t phy_reg;
1138
1139         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1140          * Extended PHY Specific Control Register to 25MHz clock.  This
1141          * value defaults back to a 2.5MHz clock when the PHY is reset.
1142          */
1143         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1144         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1145         e1000_write_phy_reg(&adapter->hw,
1146                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1147
1148         /* In addition, because of the s/w reset above, we need to enable
1149          * CRS on TX.  This must be set for both full and half duplex
1150          * operation.
1151          */
1152         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1153         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1154         e1000_write_phy_reg(&adapter->hw,
1155                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1156 }
1157
1158 static int
1159 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1160 {
1161         uint32_t ctrl_reg;
1162         uint16_t phy_reg;
1163
1164         /* Setup the Device Control Register for PHY loopback test. */
1165
1166         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1167         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1168                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1169                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1170                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1171                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1172
1173         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1174
1175         /* Read the PHY Specific Control Register (0x10) */
1176         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1177
1178         /* Clear Auto-Crossover bits in PHY Specific Control Register
1179          * (bits 6:5).
1180          */
1181         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1182         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1183
1184         /* Perform software reset on the PHY */
1185         e1000_phy_reset(&adapter->hw);
1186
1187         /* Have to setup TX_CLK and TX_CRS after software reset */
1188         e1000_phy_reset_clk_and_crs(adapter);
1189
1190         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1191
1192         /* Wait for reset to complete. */
1193         udelay(500);
1194
1195         /* Have to setup TX_CLK and TX_CRS after software reset */
1196         e1000_phy_reset_clk_and_crs(adapter);
1197
1198         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1199         e1000_phy_disable_receiver(adapter);
1200
1201         /* Set the loopback bit in the PHY control register. */
1202         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1203         phy_reg |= MII_CR_LOOPBACK;
1204         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1205
1206         /* Setup TX_CLK and TX_CRS one more time. */
1207         e1000_phy_reset_clk_and_crs(adapter);
1208
1209         /* Check Phy Configuration */
1210         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1211         if(phy_reg != 0x4100)
1212                  return 9;
1213
1214         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1215         if(phy_reg != 0x0070)
1216                 return 10;
1217
1218         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1219         if(phy_reg != 0x001A)
1220                 return 11;
1221
1222         return 0;
1223 }
1224
1225 static int
1226 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1227 {
1228         uint32_t ctrl_reg = 0;
1229         uint32_t stat_reg = 0;
1230
1231         adapter->hw.autoneg = FALSE;
1232
1233         if(adapter->hw.phy_type == e1000_phy_m88) {
1234                 /* Auto-MDI/MDIX Off */
1235                 e1000_write_phy_reg(&adapter->hw,
1236                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1237                 /* reset to update Auto-MDI/MDIX */
1238                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1239                 /* autoneg off */
1240                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1241         }
1242         /* force 1000, set loopback */
1243         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1244
1245         /* Now set up the MAC to the same speed/duplex as the PHY. */
1246         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1247         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1248         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1249                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1250                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1251                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1252
1253         if(adapter->hw.media_type == e1000_media_type_copper &&
1254            adapter->hw.phy_type == e1000_phy_m88) {
1255                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1256         } else {
1257                 /* Set the ILOS bit on the fiber Nic is half
1258                  * duplex link is detected. */
1259                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1260                 if((stat_reg & E1000_STATUS_FD) == 0)
1261                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1262         }
1263
1264         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1265
1266         /* Disable the receiver on the PHY so when a cable is plugged in, the
1267          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1268          */
1269         if(adapter->hw.phy_type == e1000_phy_m88)
1270                 e1000_phy_disable_receiver(adapter);
1271
1272         udelay(500);
1273
1274         return 0;
1275 }
1276
1277 static int
1278 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1279 {
1280         uint16_t phy_reg = 0;
1281         uint16_t count = 0;
1282
1283         switch (adapter->hw.mac_type) {
1284         case e1000_82543:
1285                 if(adapter->hw.media_type == e1000_media_type_copper) {
1286                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1287                          * Some PHY registers get corrupted at random, so
1288                          * attempt this 10 times.
1289                          */
1290                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1291                               count++ < 10);
1292                         if(count < 11)
1293                                 return 0;
1294                 }
1295                 break;
1296
1297         case e1000_82544:
1298         case e1000_82540:
1299         case e1000_82545:
1300         case e1000_82545_rev_3:
1301         case e1000_82546:
1302         case e1000_82546_rev_3:
1303         case e1000_82541:
1304         case e1000_82541_rev_2:
1305         case e1000_82547:
1306         case e1000_82547_rev_2:
1307         case e1000_82571:
1308         case e1000_82572:
1309         case e1000_82573:
1310                 return e1000_integrated_phy_loopback(adapter);
1311                 break;
1312
1313         default:
1314                 /* Default PHY loopback work is to read the MII
1315                  * control register and assert bit 14 (loopback mode).
1316                  */
1317                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1318                 phy_reg |= MII_CR_LOOPBACK;
1319                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1320                 return 0;
1321                 break;
1322         }
1323
1324         return 8;
1325 }
1326
1327 static int
1328 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1329 {
1330         uint32_t rctl;
1331         struct e1000_hw *hw = &adapter->hw;
1332
1333         if (hw->media_type == e1000_media_type_fiber ||
1334            hw->media_type == e1000_media_type_internal_serdes) {
1335                 switch (hw->mac_type) {
1336                 case e1000_82545:
1337                 case e1000_82546:
1338                 case e1000_82545_rev_3:
1339                 case e1000_82546_rev_3:
1340                         return e1000_set_phy_loopback(adapter);
1341                         break;
1342                 case e1000_82571:
1343                 case e1000_82572:
1344 #define E1000_SERDES_LB_ON 0x410
1345                         e1000_set_phy_loopback(adapter);
1346                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1347                         msec_delay(10);
1348                         return 0;
1349                         break;
1350                 default:
1351                         rctl = E1000_READ_REG(hw, RCTL);
1352                         rctl |= E1000_RCTL_LBM_TCVR;
1353                         E1000_WRITE_REG(hw, RCTL, rctl);
1354                         return 0;
1355                 }
1356         } else if (hw->media_type == e1000_media_type_copper)
1357                 return e1000_set_phy_loopback(adapter);
1358
1359         return 7;
1360 }
1361
1362 static void
1363 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1364 {
1365         uint32_t rctl;
1366         uint16_t phy_reg;
1367         struct e1000_hw *hw = &adapter->hw;
1368
1369         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1370         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1371         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1372
1373         switch (hw->mac_type) {
1374         case e1000_82571:
1375         case e1000_82572:
1376                 if (hw->media_type == e1000_media_type_fiber ||
1377                    hw->media_type == e1000_media_type_internal_serdes){
1378 #define E1000_SERDES_LB_OFF 0x400
1379                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1380                         msec_delay(10);
1381                         break;
1382                 }
1383                 /* fall thru for Cu adapters */
1384         case e1000_82545:
1385         case e1000_82546:
1386         case e1000_82545_rev_3:
1387         case e1000_82546_rev_3:
1388         default:
1389                 hw->autoneg = TRUE;
1390                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1391                 if (phy_reg & MII_CR_LOOPBACK) {
1392                         phy_reg &= ~MII_CR_LOOPBACK;
1393                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1394                         e1000_phy_reset(hw);
1395                 }
1396                 break;
1397         }
1398 }
1399
1400 static void
1401 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1402 {
1403         memset(skb->data, 0xFF, frame_size);
1404         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1405         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1406         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1407         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1408 }
1409
1410 static int
1411 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1412 {
1413         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1414         if(*(skb->data + 3) == 0xFF) {
1415                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1416                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1417                         return 0;
1418                 }
1419         }
1420         return 13;
1421 }
1422
1423 static int
1424 e1000_run_loopback_test(struct e1000_adapter *adapter)
1425 {
1426         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1427         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1428         struct pci_dev *pdev = adapter->pdev;
1429         int i, j, k, l, lc, good_cnt, ret_val=0;
1430         unsigned long time;
1431
1432         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1433
1434         /* Calculate the loop count based on the largest descriptor ring
1435          * The idea is to wrap the largest ring a number of times using 64
1436          * send/receive pairs during each loop
1437          */
1438
1439         if(rxdr->count <= txdr->count)
1440                 lc = ((txdr->count / 64) * 2) + 1;
1441         else
1442                 lc = ((rxdr->count / 64) * 2) + 1;
1443
1444         k = l = 0;
1445         for(j = 0; j <= lc; j++) { /* loop count loop */
1446                 for(i = 0; i < 64; i++) { /* send the packets */
1447                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1448                                         1024);
1449                         pci_dma_sync_single_for_device(pdev,
1450                                         txdr->buffer_info[k].dma,
1451                                         txdr->buffer_info[k].length,
1452                                         PCI_DMA_TODEVICE);
1453                         if(unlikely(++k == txdr->count)) k = 0;
1454                 }
1455                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1456                 msec_delay(200);
1457                 time = jiffies; /* set the start time for the receive */
1458                 good_cnt = 0;
1459                 do { /* receive the sent packets */
1460                         pci_dma_sync_single_for_cpu(pdev,
1461                                         rxdr->buffer_info[l].dma,
1462                                         rxdr->buffer_info[l].length,
1463                                         PCI_DMA_FROMDEVICE);
1464
1465                         ret_val = e1000_check_lbtest_frame(
1466                                         rxdr->buffer_info[l].skb,
1467                                         1024);
1468                         if(!ret_val)
1469                                 good_cnt++;
1470                         if(unlikely(++l == rxdr->count)) l = 0;
1471                         /* time + 20 msecs (200 msecs on 2.4) is more than
1472                          * enough time to complete the receives, if it's
1473                          * exceeded, break and error off
1474                          */
1475                 } while (good_cnt < 64 && jiffies < (time + 20));
1476                 if(good_cnt != 64) {
1477                         ret_val = 13; /* ret_val is the same as mis-compare */
1478                         break;
1479                 }
1480                 if(jiffies >= (time + 2)) {
1481                         ret_val = 14; /* error code for time out error */
1482                         break;
1483                 }
1484         } /* end loop count loop */
1485         return ret_val;
1486 }
1487
1488 static int
1489 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1490 {
1491         if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
1492         if((*data = e1000_setup_loopback_test(adapter)))
1493                 goto err_loopback_setup;
1494         *data = e1000_run_loopback_test(adapter);
1495         e1000_loopback_cleanup(adapter);
1496 err_loopback_setup:
1497         e1000_free_desc_rings(adapter);
1498 err_loopback:
1499         return *data;
1500 }
1501
1502 static int
1503 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1504 {
1505         *data = 0;
1506         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1507                 int i = 0;
1508                 adapter->hw.serdes_link_down = TRUE;
1509
1510                 /* On some blade server designs, link establishment
1511                  * could take as long as 2-3 minutes */
1512                 do {
1513                         e1000_check_for_link(&adapter->hw);
1514                         if (adapter->hw.serdes_link_down == FALSE)
1515                                 return *data;
1516                         msec_delay(20);
1517                 } while (i++ < 3750);
1518
1519                 *data = 1;
1520         } else {
1521                 e1000_check_for_link(&adapter->hw);
1522                 if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1523                         msec_delay(4000);
1524
1525                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1526                         *data = 1;
1527                 }
1528         }
1529         return *data;
1530 }
1531
1532 static int
1533 e1000_diag_test_count(struct net_device *netdev)
1534 {
1535         return E1000_TEST_LEN;
1536 }
1537
1538 static void
1539 e1000_diag_test(struct net_device *netdev,
1540                    struct ethtool_test *eth_test, uint64_t *data)
1541 {
1542         struct e1000_adapter *adapter = netdev_priv(netdev);
1543         boolean_t if_running = netif_running(netdev);
1544
1545         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1546                 /* Offline tests */
1547
1548                 /* save speed, duplex, autoneg settings */
1549                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1550                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1551                 uint8_t autoneg = adapter->hw.autoneg;
1552
1553                 /* Link test performed before hardware reset so autoneg doesn't
1554                  * interfere with test result */
1555                 if(e1000_link_test(adapter, &data[4]))
1556                         eth_test->flags |= ETH_TEST_FL_FAILED;
1557
1558                 if(if_running)
1559                         e1000_down(adapter);
1560                 else
1561                         e1000_reset(adapter);
1562
1563                 if(e1000_reg_test(adapter, &data[0]))
1564                         eth_test->flags |= ETH_TEST_FL_FAILED;
1565
1566                 e1000_reset(adapter);
1567                 if(e1000_eeprom_test(adapter, &data[1]))
1568                         eth_test->flags |= ETH_TEST_FL_FAILED;
1569
1570                 e1000_reset(adapter);
1571                 if(e1000_intr_test(adapter, &data[2]))
1572                         eth_test->flags |= ETH_TEST_FL_FAILED;
1573
1574                 e1000_reset(adapter);
1575                 if(e1000_loopback_test(adapter, &data[3]))
1576                         eth_test->flags |= ETH_TEST_FL_FAILED;
1577
1578                 /* restore speed, duplex, autoneg settings */
1579                 adapter->hw.autoneg_advertised = autoneg_advertised;
1580                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1581                 adapter->hw.autoneg = autoneg;
1582
1583                 e1000_reset(adapter);
1584                 if(if_running)
1585                         e1000_up(adapter);
1586         } else {
1587                 /* Online tests */
1588                 if(e1000_link_test(adapter, &data[4]))
1589                         eth_test->flags |= ETH_TEST_FL_FAILED;
1590
1591                 /* Offline tests aren't run; pass by default */
1592                 data[0] = 0;
1593                 data[1] = 0;
1594                 data[2] = 0;
1595                 data[3] = 0;
1596         }
1597         msleep_interruptible(4 * 1000);
1598 }
1599
1600 static void
1601 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1602 {
1603         struct e1000_adapter *adapter = netdev_priv(netdev);
1604         struct e1000_hw *hw = &adapter->hw;
1605
1606         switch(adapter->hw.device_id) {
1607         case E1000_DEV_ID_82542:
1608         case E1000_DEV_ID_82543GC_FIBER:
1609         case E1000_DEV_ID_82543GC_COPPER:
1610         case E1000_DEV_ID_82544EI_FIBER:
1611         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1612         case E1000_DEV_ID_82545EM_FIBER:
1613         case E1000_DEV_ID_82545EM_COPPER:
1614                 wol->supported = 0;
1615                 wol->wolopts   = 0;
1616                 return;
1617
1618         case E1000_DEV_ID_82546EB_FIBER:
1619         case E1000_DEV_ID_82546GB_FIBER:
1620                 /* Wake events only supported on port A for dual fiber */
1621                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1622                         wol->supported = 0;
1623                         wol->wolopts   = 0;
1624                         return;
1625                 }
1626                 /* Fall Through */
1627
1628         default:
1629                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1630                                  WAKE_BCAST | WAKE_MAGIC;
1631
1632                 wol->wolopts = 0;
1633                 if(adapter->wol & E1000_WUFC_EX)
1634                         wol->wolopts |= WAKE_UCAST;
1635                 if(adapter->wol & E1000_WUFC_MC)
1636                         wol->wolopts |= WAKE_MCAST;
1637                 if(adapter->wol & E1000_WUFC_BC)
1638                         wol->wolopts |= WAKE_BCAST;
1639                 if(adapter->wol & E1000_WUFC_MAG)
1640                         wol->wolopts |= WAKE_MAGIC;
1641                 return;
1642         }
1643 }
1644
1645 static int
1646 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1647 {
1648         struct e1000_adapter *adapter = netdev_priv(netdev);
1649         struct e1000_hw *hw = &adapter->hw;
1650
1651         switch(adapter->hw.device_id) {
1652         case E1000_DEV_ID_82542:
1653         case E1000_DEV_ID_82543GC_FIBER:
1654         case E1000_DEV_ID_82543GC_COPPER:
1655         case E1000_DEV_ID_82544EI_FIBER:
1656         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1657         case E1000_DEV_ID_82545EM_FIBER:
1658         case E1000_DEV_ID_82545EM_COPPER:
1659                 return wol->wolopts ? -EOPNOTSUPP : 0;
1660
1661         case E1000_DEV_ID_82546EB_FIBER:
1662         case E1000_DEV_ID_82546GB_FIBER:
1663                 /* Wake events only supported on port A for dual fiber */
1664                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1665                         return wol->wolopts ? -EOPNOTSUPP : 0;
1666                 /* Fall Through */
1667
1668         default:
1669                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1670                         return -EOPNOTSUPP;
1671
1672                 adapter->wol = 0;
1673
1674                 if(wol->wolopts & WAKE_UCAST)
1675                         adapter->wol |= E1000_WUFC_EX;
1676                 if(wol->wolopts & WAKE_MCAST)
1677                         adapter->wol |= E1000_WUFC_MC;
1678                 if(wol->wolopts & WAKE_BCAST)
1679                         adapter->wol |= E1000_WUFC_BC;
1680                 if(wol->wolopts & WAKE_MAGIC)
1681                         adapter->wol |= E1000_WUFC_MAG;
1682         }
1683
1684         return 0;
1685 }
1686
1687 /* toggle LED 4 times per second = 2 "blinks" per second */
1688 #define E1000_ID_INTERVAL       (HZ/4)
1689
1690 /* bit defines for adapter->led_status */
1691 #define E1000_LED_ON            0
1692
1693 static void
1694 e1000_led_blink_callback(unsigned long data)
1695 {
1696         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1697
1698         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1699                 e1000_led_off(&adapter->hw);
1700         else
1701                 e1000_led_on(&adapter->hw);
1702
1703         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1704 }
1705
1706 static int
1707 e1000_phys_id(struct net_device *netdev, uint32_t data)
1708 {
1709         struct e1000_adapter *adapter = netdev_priv(netdev);
1710
1711         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1712                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1713
1714         if(adapter->hw.mac_type < e1000_82571) {
1715                 if(!adapter->blink_timer.function) {
1716                         init_timer(&adapter->blink_timer);
1717                         adapter->blink_timer.function = e1000_led_blink_callback;
1718                         adapter->blink_timer.data = (unsigned long) adapter;
1719                 }
1720                 e1000_setup_led(&adapter->hw);
1721                 mod_timer(&adapter->blink_timer, jiffies);
1722                 msleep_interruptible(data * 1000);
1723                 del_timer_sync(&adapter->blink_timer);
1724         }
1725         else if(adapter->hw.mac_type < e1000_82573) {
1726                 E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
1727                         E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1728                         (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1729                         (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1730                         (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1731                 msleep_interruptible(data * 1000);
1732         }
1733         else {
1734                 E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
1735                         E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1736                         (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1737                         (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1738                         (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1739                 msleep_interruptible(data * 1000);
1740         }
1741
1742         e1000_led_off(&adapter->hw);
1743         clear_bit(E1000_LED_ON, &adapter->led_status);
1744         e1000_cleanup_led(&adapter->hw);
1745
1746         return 0;
1747 }
1748
1749 static int
1750 e1000_nway_reset(struct net_device *netdev)
1751 {
1752         struct e1000_adapter *adapter = netdev_priv(netdev);
1753         if(netif_running(netdev)) {
1754                 e1000_down(adapter);
1755                 e1000_up(adapter);
1756         }
1757         return 0;
1758 }
1759
1760 static int
1761 e1000_get_stats_count(struct net_device *netdev)
1762 {
1763         return E1000_STATS_LEN;
1764 }
1765
1766 static void
1767 e1000_get_ethtool_stats(struct net_device *netdev,
1768                 struct ethtool_stats *stats, uint64_t *data)
1769 {
1770         struct e1000_adapter *adapter = netdev_priv(netdev);
1771         int i;
1772
1773         e1000_update_stats(adapter);
1774         for(i = 0; i < E1000_STATS_LEN; i++) {
1775                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1776                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1777                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1778         }
1779 }
1780
1781 static void
1782 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1783 {
1784         int i;
1785
1786         switch(stringset) {
1787         case ETH_SS_TEST:
1788                 memcpy(data, *e1000_gstrings_test,
1789                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1790                 break;
1791         case ETH_SS_STATS:
1792                 for (i=0; i < E1000_STATS_LEN; i++) {
1793                         memcpy(data + i * ETH_GSTRING_LEN,
1794                         e1000_gstrings_stats[i].stat_string,
1795                         ETH_GSTRING_LEN);
1796                 }
1797                 break;
1798         }
1799 }
1800
1801 static struct ethtool_ops e1000_ethtool_ops = {
1802         .get_settings           = e1000_get_settings,
1803         .set_settings           = e1000_set_settings,
1804         .get_drvinfo            = e1000_get_drvinfo,
1805         .get_regs_len           = e1000_get_regs_len,
1806         .get_regs               = e1000_get_regs,
1807         .get_wol                = e1000_get_wol,
1808         .set_wol                = e1000_set_wol,
1809         .get_msglevel           = e1000_get_msglevel,
1810         .set_msglevel           = e1000_set_msglevel,
1811         .nway_reset             = e1000_nway_reset,
1812         .get_link               = ethtool_op_get_link,
1813         .get_eeprom_len         = e1000_get_eeprom_len,
1814         .get_eeprom             = e1000_get_eeprom,
1815         .set_eeprom             = e1000_set_eeprom,
1816         .get_ringparam          = e1000_get_ringparam,
1817         .set_ringparam          = e1000_set_ringparam,
1818         .get_pauseparam         = e1000_get_pauseparam,
1819         .set_pauseparam         = e1000_set_pauseparam,
1820         .get_rx_csum            = e1000_get_rx_csum,
1821         .set_rx_csum            = e1000_set_rx_csum,
1822         .get_tx_csum            = e1000_get_tx_csum,
1823         .set_tx_csum            = e1000_set_tx_csum,
1824         .get_sg                 = ethtool_op_get_sg,
1825         .set_sg                 = ethtool_op_set_sg,
1826 #ifdef NETIF_F_TSO
1827         .get_tso                = ethtool_op_get_tso,
1828         .set_tso                = e1000_set_tso,
1829 #endif
1830         .self_test_count        = e1000_diag_test_count,
1831         .self_test              = e1000_diag_test,
1832         .get_strings            = e1000_get_strings,
1833         .phys_id                = e1000_phys_id,
1834         .get_stats_count        = e1000_get_stats_count,
1835         .get_ethtool_stats      = e1000_get_ethtool_stats,
1836         .get_perm_addr          = ethtool_op_get_perm_addr,
1837 };
1838
1839 void e1000_set_ethtool_ops(struct net_device *netdev)
1840 {
1841         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1842 }