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   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2007 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include <linux/netdevice.h>
  32 #include <linux/ethtool.h>
  33 #include <linux/pci.h>
  34 #include <linux/delay.h>
  35
  36 #include "e1000.h"
  37
  38 struct e1000_stats {
  39         char stat_string[ETH_GSTRING_LEN];
  40         int sizeof_stat;
  41         int stat_offset;
  42 };
  43
  44 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
  45                       offsetof(struct e1000_adapter, m)
  46 static const struct e1000_stats e1000_gstrings_stats[] = {
  47         { "rx_packets", E1000_STAT(stats.gprc) },
  48         { "tx_packets", E1000_STAT(stats.gptc) },
  49         { "rx_bytes", E1000_STAT(stats.gorcl) },
  50         { "tx_bytes", E1000_STAT(stats.gotcl) },
  51         { "rx_broadcast", E1000_STAT(stats.bprc) },
  52         { "tx_broadcast", E1000_STAT(stats.bptc) },
  53         { "rx_multicast", E1000_STAT(stats.mprc) },
  54         { "tx_multicast", E1000_STAT(stats.mptc) },
  55         { "rx_errors", E1000_STAT(net_stats.rx_errors) },
  56         { "tx_errors", E1000_STAT(net_stats.tx_errors) },
  57         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  58         { "multicast", E1000_STAT(stats.mprc) },
  59         { "collisions", E1000_STAT(stats.colc) },
  60         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  61         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  62         { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  63         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  64         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  65         { "rx_missed_errors", E1000_STAT(stats.mpc) },
  66         { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  67         { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  68         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  69         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  70         { "tx_window_errors", E1000_STAT(stats.latecol) },
  71         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  72         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  73         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  74         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  75         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  76         { "tx_restart_queue", E1000_STAT(restart_queue) },
  77         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  78         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  79         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  80         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  81         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  82         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  83         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  84         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  85         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  86         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  87         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  88         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  89         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  90         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  91         { "tx_smbus", E1000_STAT(stats.mgptc) },
  92         { "rx_smbus", E1000_STAT(stats.mgprc) },
  93         { "dropped_smbus", E1000_STAT(stats.mgpdc) },
  94         { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
  95         { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
  96 };
  97
  98 #define E1000_GLOBAL_STATS_LEN  \
  99         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
 100 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 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 e1000_get_settings(struct net_device *netdev,
 109                               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                 if (hw->phy.type == e1000_phy_ife)
 124                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 125                 ecmd->advertising = ADVERTISED_TP;
 126
 127                 if (hw->mac.autoneg == 1) {
 128                         ecmd->advertising |= ADVERTISED_Autoneg;
 129                         /* the e1000 autoneg seems to match ethtool nicely */
 130                         ecmd->advertising |= hw->phy.autoneg_advertised;
 131                 }
 132
 133                 ecmd->port = PORT_TP;
 134                 ecmd->phy_address = hw->phy.addr;
 135                 ecmd->transceiver = XCVR_INTERNAL;
 136
 137         } else {
 138                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 139                                      SUPPORTED_FIBRE |
 140                                      SUPPORTED_Autoneg);
 141
 142                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 143                                      ADVERTISED_FIBRE |
 144                                      ADVERTISED_Autoneg);
 145
 146                 ecmd->port = PORT_FIBRE;
 147                 ecmd->transceiver = XCVR_EXTERNAL;
 148         }
 149
 150         if (er32(STATUS) & E1000_STATUS_LU) {
 151
 152                 adapter->hw.mac.ops.get_link_up_info(hw, &adapter->link_speed,
 153                                                   &adapter->link_duplex);
 154                 ecmd->speed = adapter->link_speed;
 155
 156                 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
 157                  *        and HALF_DUPLEX != DUPLEX_HALF */
 158
 159                 if (adapter->link_duplex == FULL_DUPLEX)
 160                         ecmd->duplex = DUPLEX_FULL;
 161                 else
 162                         ecmd->duplex = DUPLEX_HALF;
 163         } else {
 164                 ecmd->speed = -1;
 165                 ecmd->duplex = -1;
 166         }
 167
 168         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 169                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 170         return 0;
 171 }
 172
 173 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
 174 {
 175         struct e1000_mac_info *mac = &adapter->hw.mac;
 176
 177         mac->autoneg = 0;
 178
 179         /* Fiber NICs only allow 1000 gbps Full duplex */
 180         if ((adapter->hw.media_type == e1000_media_type_fiber) &&
 181                 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
 182                 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
 183                          "configuration\n");
 184                 return -EINVAL;
 185         }
 186
 187         switch (spddplx) {
 188         case SPEED_10 + DUPLEX_HALF:
 189                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 190                 break;
 191         case SPEED_10 + DUPLEX_FULL:
 192                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 193                 break;
 194         case SPEED_100 + DUPLEX_HALF:
 195                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 196                 break;
 197         case SPEED_100 + DUPLEX_FULL:
 198                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 199                 break;
 200         case SPEED_1000 + DUPLEX_FULL:
 201                 mac->autoneg = 1;
 202                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 203                 break;
 204         case SPEED_1000 + DUPLEX_HALF: /* not supported */
 205         default:
 206                 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
 207                          "configuration\n");
 208                 return -EINVAL;
 209         }
 210         return 0;
 211 }
 212
 213 static int e1000_set_settings(struct net_device *netdev,
 214                               struct ethtool_cmd *ecmd)
 215 {
 216         struct e1000_adapter *adapter = netdev_priv(netdev);
 217         struct e1000_hw *hw = &adapter->hw;
 218
 219         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 220          * cannot be changed */
 221         if (e1000_check_reset_block(hw)) {
 222                 ndev_err(netdev, "Cannot change link "
 223                          "characteristics when SoL/IDER is active.\n");
 224                 return -EINVAL;
 225         }
 226
 227         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 228                 msleep(1);
 229
 230         if (ecmd->autoneg == AUTONEG_ENABLE) {
 231                 hw->mac.autoneg = 1;
 232                 if (hw->media_type == e1000_media_type_fiber)
 233                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 234                                                      ADVERTISED_FIBRE |
 235                                                      ADVERTISED_Autoneg;
 236                 else
 237                         hw->phy.autoneg_advertised = ecmd->advertising |
 238                                                      ADVERTISED_TP |
 239                                                      ADVERTISED_Autoneg;
 240                 ecmd->advertising = hw->phy.autoneg_advertised;
 241         } else {
 242                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
 243                         clear_bit(__E1000_RESETTING, &adapter->state);
 244                         return -EINVAL;
 245                 }
 246         }
 247
 248         /* reset the link */
 249
 250         if (netif_running(adapter->netdev)) {
 251                 e1000e_down(adapter);
 252                 e1000e_up(adapter);
 253         } else {
 254                 e1000e_reset(adapter);
 255         }
 256
 257         clear_bit(__E1000_RESETTING, &adapter->state);
 258         return 0;
 259 }
 260
 261 static void e1000_get_pauseparam(struct net_device *netdev,
 262                                  struct ethtool_pauseparam *pause)
 263 {
 264         struct e1000_adapter *adapter = netdev_priv(netdev);
 265         struct e1000_hw *hw = &adapter->hw;
 266
 267         pause->autoneg =
 268                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 269
 270         if (hw->mac.fc == e1000_fc_rx_pause) {
 271                 pause->rx_pause = 1;
 272         } else if (hw->mac.fc == e1000_fc_tx_pause) {
 273                 pause->tx_pause = 1;
 274         } else if (hw->mac.fc == e1000_fc_full) {
 275                 pause->rx_pause = 1;
 276                 pause->tx_pause = 1;
 277         }
 278 }
 279
 280 static int e1000_set_pauseparam(struct net_device *netdev,
 281                                 struct ethtool_pauseparam *pause)
 282 {
 283         struct e1000_adapter *adapter = netdev_priv(netdev);
 284         struct e1000_hw *hw = &adapter->hw;
 285         int retval = 0;
 286
 287         adapter->fc_autoneg = pause->autoneg;
 288
 289         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 290                 msleep(1);
 291
 292         if (pause->rx_pause && pause->tx_pause)
 293                 hw->mac.fc = e1000_fc_full;
 294         else if (pause->rx_pause && !pause->tx_pause)
 295                 hw->mac.fc = e1000_fc_rx_pause;
 296         else if (!pause->rx_pause && pause->tx_pause)
 297                 hw->mac.fc = e1000_fc_tx_pause;
 298         else if (!pause->rx_pause && !pause->tx_pause)
 299                 hw->mac.fc = e1000_fc_none;
 300
 301         hw->mac.original_fc = hw->mac.fc;
 302
 303         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 304                 hw->mac.fc = e1000_fc_default;
 305                 if (netif_running(adapter->netdev)) {
 306                         e1000e_down(adapter);
 307                         e1000e_up(adapter);
 308                 } else {
 309                         e1000e_reset(adapter);
 310                 }
 311         } else {
 312                 retval = ((hw->media_type == e1000_media_type_fiber) ?
 313                           hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
 314         }
 315
 316         clear_bit(__E1000_RESETTING, &adapter->state);
 317         return retval;
 318 }
 319
 320 static u32 e1000_get_rx_csum(struct net_device *netdev)
 321 {
 322         struct e1000_adapter *adapter = netdev_priv(netdev);
 323         return (adapter->flags & FLAG_RX_CSUM_ENABLED);
 324 }
 325
 326 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 327 {
 328         struct e1000_adapter *adapter = netdev_priv(netdev);
 329
 330         if (data)
 331                 adapter->flags |= FLAG_RX_CSUM_ENABLED;
 332         else
 333                 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
 334
 335         if (netif_running(netdev))
 336                 e1000e_reinit_locked(adapter);
 337         else
 338                 e1000e_reset(adapter);
 339         return 0;
 340 }
 341
 342 static u32 e1000_get_tx_csum(struct net_device *netdev)
 343 {
 344         return ((netdev->features & NETIF_F_HW_CSUM) != 0);
 345 }
 346
 347 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 348 {
 349         if (data)
 350                 netdev->features |= NETIF_F_HW_CSUM;
 351         else
 352                 netdev->features &= ~NETIF_F_HW_CSUM;
 353
 354         return 0;
 355 }
 356
 357 static int e1000_set_tso(struct net_device *netdev, u32 data)
 358 {
 359         struct e1000_adapter *adapter = netdev_priv(netdev);
 360
 361         if (data) {
 362                 netdev->features |= NETIF_F_TSO;
 363                 netdev->features |= NETIF_F_TSO6;
 364         } else {
 365                 netdev->features &= ~NETIF_F_TSO;
 366                 netdev->features &= ~NETIF_F_TSO6;
 367         }
 368
 369         ndev_info(netdev, "TSO is %s\n",
 370                   data ? "Enabled" : "Disabled");
 371         adapter->flags |= FLAG_TSO_FORCE;
 372         return 0;
 373 }
 374
 375 static u32 e1000_get_msglevel(struct net_device *netdev)
 376 {
 377         struct e1000_adapter *adapter = netdev_priv(netdev);
 378         return adapter->msg_enable;
 379 }
 380
 381 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 382 {
 383         struct e1000_adapter *adapter = netdev_priv(netdev);
 384         adapter->msg_enable = data;
 385 }
 386
 387 static int e1000_get_regs_len(struct net_device *netdev)
 388 {
 389 #define E1000_REGS_LEN 32 /* overestimate */
 390         return E1000_REGS_LEN * sizeof(u32);
 391 }
 392
 393 static void e1000_get_regs(struct net_device *netdev,
 394                            struct ethtool_regs *regs, void *p)
 395 {
 396         struct e1000_adapter *adapter = netdev_priv(netdev);
 397         struct e1000_hw *hw = &adapter->hw;
 398         u32 *regs_buff = p;
 399         u16 phy_data;
 400         u8 revision_id;
 401
 402         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 403
 404         pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
 405
 406         regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
 407
 408         regs_buff[0]  = er32(CTRL);
 409         regs_buff[1]  = er32(STATUS);
 410
 411         regs_buff[2]  = er32(RCTL);
 412         regs_buff[3]  = er32(RDLEN);
 413         regs_buff[4]  = er32(RDH);
 414         regs_buff[5]  = er32(RDT);
 415         regs_buff[6]  = er32(RDTR);
 416
 417         regs_buff[7]  = er32(TCTL);
 418         regs_buff[8]  = er32(TDLEN);
 419         regs_buff[9]  = er32(TDH);
 420         regs_buff[10] = er32(TDT);
 421         regs_buff[11] = er32(TIDV);
 422
 423         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 424         if (hw->phy.type == e1000_phy_m88) {
 425                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 426                 regs_buff[13] = (u32)phy_data; /* cable length */
 427                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 428                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 429                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 430                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 431                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 432                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 433                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 434                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 435                 /* phy receive errors */
 436                 regs_buff[22] = adapter->phy_stats.receive_errors;
 437                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 438         }
 439         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 440         e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
 441         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 442         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 443 }
 444
 445 static int e1000_get_eeprom_len(struct net_device *netdev)
 446 {
 447         struct e1000_adapter *adapter = netdev_priv(netdev);
 448         return adapter->hw.nvm.word_size * 2;
 449 }
 450
 451 static int e1000_get_eeprom(struct net_device *netdev,
 452                             struct ethtool_eeprom *eeprom, u8 *bytes)
 453 {
 454         struct e1000_adapter *adapter = netdev_priv(netdev);
 455         struct e1000_hw *hw = &adapter->hw;
 456         u16 *eeprom_buff;
 457         int first_word;
 458         int last_word;
 459         int ret_val = 0;
 460         u16 i;
 461
 462         if (eeprom->len == 0)
 463                 return -EINVAL;
 464
 465         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 466
 467         first_word = eeprom->offset >> 1;
 468         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 469
 470         eeprom_buff = kmalloc(sizeof(u16) *
 471                         (last_word - first_word + 1), GFP_KERNEL);
 472         if (!eeprom_buff)
 473                 return -ENOMEM;
 474
 475         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 476                 ret_val = e1000_read_nvm(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                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 482                                                       &eeprom_buff[i]);
 483                         if (ret_val)
 484                                 break;
 485                 }
 486         }
 487
 488         /* Device's eeprom is always little-endian, word addressable */
 489         for (i = 0; i < last_word - first_word + 1; i++)
 490                 le16_to_cpus(&eeprom_buff[i]);
 491
 492         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 493         kfree(eeprom_buff);
 494
 495         return ret_val;
 496 }
 497
 498 static int e1000_set_eeprom(struct net_device *netdev,
 499                             struct ethtool_eeprom *eeprom, u8 *bytes)
 500 {
 501         struct e1000_adapter *adapter = netdev_priv(netdev);
 502         struct e1000_hw *hw = &adapter->hw;
 503         u16 *eeprom_buff;
 504         void *ptr;
 505         int max_len;
 506         int first_word;
 507         int last_word;
 508         int ret_val = 0;
 509         u16 i;
 510
 511         if (eeprom->len == 0)
 512                 return -EOPNOTSUPP;
 513
 514         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 515                 return -EFAULT;
 516
 517         max_len = hw->nvm.word_size * 2;
 518
 519         first_word = eeprom->offset >> 1;
 520         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 521         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 522         if (!eeprom_buff)
 523                 return -ENOMEM;
 524
 525         ptr = (void *)eeprom_buff;
 526
 527         if (eeprom->offset & 1) {
 528                 /* need read/modify/write of first changed EEPROM word */
 529                 /* only the second byte of the word is being modified */
 530                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 531                 ptr++;
 532         }
 533         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
 534                 /* need read/modify/write of last changed EEPROM word */
 535                 /* only the first byte of the word is being modified */
 536                 ret_val = e1000_read_nvm(hw, last_word, 1,
 537                                   &eeprom_buff[last_word - first_word]);
 538
 539         /* Device's eeprom is always little-endian, word addressable */
 540         for (i = 0; i < last_word - first_word + 1; i++)
 541                 le16_to_cpus(&eeprom_buff[i]);
 542
 543         memcpy(ptr, bytes, eeprom->len);
 544
 545         for (i = 0; i < last_word - first_word + 1; i++)
 546                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 547
 548         ret_val = e1000_write_nvm(hw, first_word,
 549                                   last_word - first_word + 1, eeprom_buff);
 550
 551         /* Update the checksum over the first part of the EEPROM if needed
 552          * and flush shadow RAM for 82573 controllers */
 553         if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
 554                                (hw->mac.type == e1000_82573)))
 555                 e1000e_update_nvm_checksum(hw);
 556
 557         kfree(eeprom_buff);
 558         return ret_val;
 559 }
 560
 561 static void 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         u16 eeprom_data;
 567
 568         strncpy(drvinfo->driver,  e1000e_driver_name, 32);
 569         strncpy(drvinfo->version, e1000e_driver_version, 32);
 570
 571         /* EEPROM image version # is reported as firmware version # for
 572          * PCI-E controllers */
 573         e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
 574         sprintf(firmware_version, "%d.%d-%d",
 575                 (eeprom_data & 0xF000) >> 12,
 576                 (eeprom_data & 0x0FF0) >> 4,
 577                 eeprom_data & 0x000F);
 578
 579         strncpy(drvinfo->fw_version, firmware_version, 32);
 580         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 581         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 582         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 583 }
 584
 585 static void e1000_get_ringparam(struct net_device *netdev,
 586                                 struct ethtool_ringparam *ring)
 587 {
 588         struct e1000_adapter *adapter = netdev_priv(netdev);
 589         struct e1000_ring *tx_ring = adapter->tx_ring;
 590         struct e1000_ring *rx_ring = adapter->rx_ring;
 591
 592         ring->rx_max_pending = E1000_MAX_RXD;
 593         ring->tx_max_pending = E1000_MAX_TXD;
 594         ring->rx_mini_max_pending = 0;
 595         ring->rx_jumbo_max_pending = 0;
 596         ring->rx_pending = rx_ring->count;
 597         ring->tx_pending = tx_ring->count;
 598         ring->rx_mini_pending = 0;
 599         ring->rx_jumbo_pending = 0;
 600 }
 601
 602 static int e1000_set_ringparam(struct net_device *netdev,
 603                                struct ethtool_ringparam *ring)
 604 {
 605         struct e1000_adapter *adapter = netdev_priv(netdev);
 606         struct e1000_ring *tx_ring, *tx_old;
 607         struct e1000_ring *rx_ring, *rx_old;
 608         int err;
 609
 610         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 611                 return -EINVAL;
 612
 613         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 614                 msleep(1);
 615
 616         if (netif_running(adapter->netdev))
 617                 e1000e_down(adapter);
 618
 619         tx_old = adapter->tx_ring;
 620         rx_old = adapter->rx_ring;
 621
 622         err = -ENOMEM;
 623         tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 624         if (!tx_ring)
 625                 goto err_alloc_tx;
 626
 627         rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 628         if (!rx_ring)
 629                 goto err_alloc_rx;
 630
 631         adapter->tx_ring = tx_ring;
 632         adapter->rx_ring = rx_ring;
 633
 634         rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
 635         rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
 636         rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 637
 638         tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
 639         tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
 640         tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 641
 642         if (netif_running(adapter->netdev)) {
 643                 /* Try to get new resources before deleting old */
 644                 err = e1000e_setup_rx_resources(adapter);
 645                 if (err)
 646                         goto err_setup_rx;
 647                 err = e1000e_setup_tx_resources(adapter);
 648                 if (err)
 649                         goto err_setup_tx;
 650
 651                 /* save the new, restore the old in order to free it,
 652                  * then restore the new back again */
 653                 adapter->rx_ring = rx_old;
 654                 adapter->tx_ring = tx_old;
 655                 e1000e_free_rx_resources(adapter);
 656                 e1000e_free_tx_resources(adapter);
 657                 kfree(tx_old);
 658                 kfree(rx_old);
 659                 adapter->rx_ring = rx_ring;
 660                 adapter->tx_ring = tx_ring;
 661                 err = e1000e_up(adapter);
 662                 if (err)
 663                         goto err_setup;
 664         }
 665
 666         clear_bit(__E1000_RESETTING, &adapter->state);
 667         return 0;
 668 err_setup_tx:
 669         e1000e_free_rx_resources(adapter);
 670 err_setup_rx:
 671         adapter->rx_ring = rx_old;
 672         adapter->tx_ring = tx_old;
 673         kfree(rx_ring);
 674 err_alloc_rx:
 675         kfree(tx_ring);
 676 err_alloc_tx:
 677         e1000e_up(adapter);
 678 err_setup:
 679         clear_bit(__E1000_RESETTING, &adapter->state);
 680         return err;
 681 }
 682
 683 #define REG_PATTERN_TEST(R, M, W) REG_PATTERN_TEST_ARRAY(R, 0, M, W)
 684 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, writeable)                  \
 685 {                                                                             \
 686         u32 _pat;                                                             \
 687         u32 _value;                                                           \
 688         u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};       \
 689         for (_pat = 0; _pat < ARRAY_SIZE(_test); _pat++) {                    \
 690                 E1000_WRITE_REG_ARRAY(hw, reg, offset,        \
 691                                       (_test[_pat] & writeable));             \
 692                 _value = E1000_READ_REG_ARRAY(hw, reg, offset);     \
 693                 if (_value != (_test[_pat] & writeable & mask)) {             \
 694                         ndev_err(netdev, "pattern test reg %04X "             \
 695                                  "failed: got 0x%08X expected 0x%08X\n",      \
 696                                  reg + offset,  \
 697                                  value, (_test[_pat] & writeable & mask));    \
 698                         *data = reg;                                          \
 699                         return 1;                                             \
 700                 }                                                             \
 701         }                                                                     \
 702 }
 703
 704 #define REG_SET_AND_CHECK(R, M, W)                                            \
 705 {                                                                             \
 706         u32 _value;                                                           \
 707         __ew32(hw, R, W & M);                                           \
 708         _value = __er32(hw, R);                                         \
 709         if ((W & M) != (_value & M)) {                                        \
 710                 ndev_err(netdev, "set/check reg %04X test failed: "           \
 711                          "got 0x%08X expected 0x%08X\n", R, (_value & M),     \
 712                          (W & M));                                            \
 713                 *data = R;                                                    \
 714                 return 1;                                                     \
 715         }                                                                     \
 716 }
 717
 718 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 719 {
 720         struct e1000_hw *hw = &adapter->hw;
 721         struct e1000_mac_info *mac = &adapter->hw.mac;
 722         struct net_device *netdev = adapter->netdev;
 723         u32 value;
 724         u32 before;
 725         u32 after;
 726         u32 i;
 727         u32 toggle;
 728
 729         /* The status register is Read Only, so a write should fail.
 730          * Some bits that get toggled are ignored.
 731          */
 732         switch (mac->type) {
 733         /* there are several bits on newer hardware that are r/w */
 734         case e1000_82571:
 735         case e1000_82572:
 736         case e1000_80003es2lan:
 737                 toggle = 0x7FFFF3FF;
 738                 break;
 739         case e1000_82573:
 740         case e1000_ich8lan:
 741         case e1000_ich9lan:
 742                 toggle = 0x7FFFF033;
 743                 break;
 744         default:
 745                 toggle = 0xFFFFF833;
 746                 break;
 747         }
 748
 749         before = er32(STATUS);
 750         value = (er32(STATUS) & toggle);
 751         ew32(STATUS, toggle);
 752         after = er32(STATUS) & toggle;
 753         if (value != after) {
 754                 ndev_err(netdev, "failed STATUS register test got: "
 755                          "0x%08X expected: 0x%08X\n", after, value);
 756                 *data = 1;
 757                 return 1;
 758         }
 759         /* restore previous status */
 760         ew32(STATUS, before);
 761
 762         if ((mac->type != e1000_ich8lan) &&
 763             (mac->type != e1000_ich9lan)) {
 764                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 765                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 766                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 767                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 768         }
 769
 770         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 771         REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 772         REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
 773         REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
 774         REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
 775         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 776         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 777         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 778         REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 779         REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
 780
 781         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 782
 783         before = (((mac->type == e1000_ich8lan) ||
 784                    (mac->type == e1000_ich9lan)) ? 0x06C3B33E : 0x06DFB3FE);
 785         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 786         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 787
 788         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 789         REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 790         if ((mac->type != e1000_ich8lan) &&
 791             (mac->type != e1000_ich9lan))
 792                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 793         REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 794         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 795         for (i = 0; i < mac->rar_entry_count; i++)
 796                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
 797                                        0x8003FFFF, 0xFFFFFFFF);
 798
 799         for (i = 0; i < mac->mta_reg_count; i++)
 800                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 801
 802         *data = 0;
 803         return 0;
 804 }
 805
 806 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 807 {
 808         u16 temp;
 809         u16 checksum = 0;
 810         u16 i;
 811
 812         *data = 0;
 813         /* Read and add up the contents of the EEPROM */
 814         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 815                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 816                         *data = 1;
 817                         break;
 818                 }
 819                 checksum += temp;
 820         }
 821
 822         /* If Checksum is not Correct return error else test passed */
 823         if ((checksum != (u16) NVM_SUM) && !(*data))
 824                 *data = 2;
 825
 826         return *data;
 827 }
 828
 829 static irqreturn_t e1000_test_intr(int irq, void *data)
 830 {
 831         struct net_device *netdev = (struct net_device *) data;
 832         struct e1000_adapter *adapter = netdev_priv(netdev);
 833         struct e1000_hw *hw = &adapter->hw;
 834
 835         adapter->test_icr |= er32(ICR);
 836
 837         return IRQ_HANDLED;
 838 }
 839
 840 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 841 {
 842         struct net_device *netdev = adapter->netdev;
 843         struct e1000_hw *hw = &adapter->hw;
 844         u32 mask;
 845         u32 shared_int = 1;
 846         u32 irq = adapter->pdev->irq;
 847         int i;
 848
 849         *data = 0;
 850
 851         /* NOTE: we don't test MSI interrupts here, yet */
 852         /* Hook up test interrupt handler just for this test */
 853         if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 854                          netdev)) {
 855                 shared_int = 0;
 856         } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
 857                  netdev->name, netdev)) {
 858                 *data = 1;
 859                 return -1;
 860         }
 861         ndev_info(netdev, "testing %s interrupt\n",
 862                   (shared_int ? "shared" : "unshared"));
 863
 864         /* Disable all the interrupts */
 865         ew32(IMC, 0xFFFFFFFF);
 866         msleep(10);
 867
 868         /* Test each interrupt */
 869         for (i = 0; i < 10; i++) {
 870
 871                 if (((adapter->hw.mac.type == e1000_ich8lan) ||
 872                      (adapter->hw.mac.type == e1000_ich9lan)) && i == 8)
 873                         continue;
 874
 875                 /* Interrupt to test */
 876                 mask = 1 << i;
 877
 878                 if (!shared_int) {
 879                         /* Disable the interrupt to be reported in
 880                          * the cause register and then force the same
 881                          * interrupt and see if one gets posted.  If
 882                          * an interrupt was posted to the bus, the
 883                          * test failed.
 884                          */
 885                         adapter->test_icr = 0;
 886                         ew32(IMC, mask);
 887                         ew32(ICS, mask);
 888                         msleep(10);
 889
 890                         if (adapter->test_icr & mask) {
 891                                 *data = 3;
 892                                 break;
 893                         }
 894                 }
 895
 896                 /* Enable the interrupt to be reported in
 897                  * the cause register and then force the same
 898                  * interrupt and see if one gets posted.  If
 899                  * an interrupt was not posted to the bus, the
 900                  * test failed.
 901                  */
 902                 adapter->test_icr = 0;
 903                 ew32(IMS, mask);
 904                 ew32(ICS, mask);
 905                 msleep(10);
 906
 907                 if (!(adapter->test_icr & mask)) {
 908                         *data = 4;
 909                         break;
 910                 }
 911
 912                 if (!shared_int) {
 913                         /* Disable the other interrupts to be reported in
 914                          * the cause register and then force the other
 915                          * interrupts and see if any get posted.  If
 916                          * an interrupt was posted to the bus, the
 917                          * test failed.
 918                          */
 919                         adapter->test_icr = 0;
 920                         ew32(IMC, ~mask & 0x00007FFF);
 921                         ew32(ICS, ~mask & 0x00007FFF);
 922                         msleep(10);
 923
 924                         if (adapter->test_icr) {
 925                                 *data = 5;
 926                                 break;
 927                         }
 928                 }
 929         }
 930
 931         /* Disable all the interrupts */
 932         ew32(IMC, 0xFFFFFFFF);
 933         msleep(10);
 934
 935         /* Unhook test interrupt handler */
 936         free_irq(irq, netdev);
 937
 938         return *data;
 939 }
 940
 941 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 942 {
 943         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
 944         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
 945         struct pci_dev *pdev = adapter->pdev;
 946         int i;
 947
 948         if (tx_ring->desc && tx_ring->buffer_info) {
 949                 for (i = 0; i < tx_ring->count; i++) {
 950                         if (tx_ring->buffer_info[i].dma)
 951                                 pci_unmap_single(pdev,
 952                                         tx_ring->buffer_info[i].dma,
 953                                         tx_ring->buffer_info[i].length,
 954                                         PCI_DMA_TODEVICE);
 955                         if (tx_ring->buffer_info[i].skb)
 956                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
 957                 }
 958         }
 959
 960         if (rx_ring->desc && rx_ring->buffer_info) {
 961                 for (i = 0; i < rx_ring->count; i++) {
 962                         if (rx_ring->buffer_info[i].dma)
 963                                 pci_unmap_single(pdev,
 964                                         rx_ring->buffer_info[i].dma,
 965                                         2048, PCI_DMA_FROMDEVICE);
 966                         if (rx_ring->buffer_info[i].skb)
 967                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
 968                 }
 969         }
 970
 971         if (tx_ring->desc) {
 972                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
 973                                   tx_ring->dma);
 974                 tx_ring->desc = NULL;
 975         }
 976         if (rx_ring->desc) {
 977                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
 978                                   rx_ring->dma);
 979                 rx_ring->desc = NULL;
 980         }
 981
 982         kfree(tx_ring->buffer_info);
 983         tx_ring->buffer_info = NULL;
 984         kfree(rx_ring->buffer_info);
 985         rx_ring->buffer_info = NULL;
 986 }
 987
 988 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 989 {
 990         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
 991         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
 992         struct pci_dev *pdev = adapter->pdev;
 993         struct e1000_hw *hw = &adapter->hw;
 994         u32 rctl;
 995         int size;
 996         int i;
 997         int ret_val;
 998
 999         /* Setup Tx descriptor ring and Tx buffers */
1000
1001         if (!tx_ring->count)
1002                 tx_ring->count = E1000_DEFAULT_TXD;
1003
1004         size = tx_ring->count * sizeof(struct e1000_buffer);
1005         tx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
1006         if (!tx_ring->buffer_info) {
1007                 ret_val = 1;
1008                 goto err_nomem;
1009         }
1010         memset(tx_ring->buffer_info, 0, size);
1011
1012         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1013         tx_ring->size = ALIGN(tx_ring->size, 4096);
1014         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1015                                            &tx_ring->dma, GFP_KERNEL);
1016         if (!tx_ring->desc) {
1017                 ret_val = 2;
1018                 goto err_nomem;
1019         }
1020         memset(tx_ring->desc, 0, tx_ring->size);
1021         tx_ring->next_to_use = 0;
1022         tx_ring->next_to_clean = 0;
1023
1024         ew32(TDBAL,
1025                         ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1026         ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1027         ew32(TDLEN,
1028                         tx_ring->count * sizeof(struct e1000_tx_desc));
1029         ew32(TDH, 0);
1030         ew32(TDT, 0);
1031         ew32(TCTL,
1032                         E1000_TCTL_PSP | E1000_TCTL_EN |
1033                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1034                         E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1035
1036         for (i = 0; i < tx_ring->count; i++) {
1037                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1038                 struct sk_buff *skb;
1039                 unsigned int skb_size = 1024;
1040
1041                 skb = alloc_skb(skb_size, GFP_KERNEL);
1042                 if (!skb) {
1043                         ret_val = 3;
1044                         goto err_nomem;
1045                 }
1046                 skb_put(skb, skb_size);
1047                 tx_ring->buffer_info[i].skb = skb;
1048                 tx_ring->buffer_info[i].length = skb->len;
1049                 tx_ring->buffer_info[i].dma =
1050                         pci_map_single(pdev, skb->data, skb->len,
1051                                        PCI_DMA_TODEVICE);
1052                 if (pci_dma_mapping_error(tx_ring->buffer_info[i].dma)) {
1053                         ret_val = 4;
1054                         goto err_nomem;
1055                 }
1056                 tx_desc->buffer_addr = cpu_to_le64(
1057                                          tx_ring->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 (!rx_ring->count)
1068                 rx_ring->count = E1000_DEFAULT_RXD;
1069
1070         size = rx_ring->count * sizeof(struct e1000_buffer);
1071         rx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
1072         if (!rx_ring->buffer_info) {
1073                 ret_val = 5;
1074                 goto err_nomem;
1075         }
1076         memset(rx_ring->buffer_info, 0, size);
1077
1078         rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1079         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1080                                            &rx_ring->dma, GFP_KERNEL);
1081         if (!rx_ring->desc) {
1082                 ret_val = 6;
1083                 goto err_nomem;
1084         }
1085         memset(rx_ring->desc, 0, rx_ring->size);
1086         rx_ring->next_to_use = 0;
1087         rx_ring->next_to_clean = 0;
1088
1089         rctl = er32(RCTL);
1090         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1091         ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1092         ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1093         ew32(RDLEN, rx_ring->size);
1094         ew32(RDH, 0);
1095         ew32(RDT, 0);
1096         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1097                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1098                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1099         ew32(RCTL, rctl);
1100
1101         for (i = 0; i < rx_ring->count; i++) {
1102                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1103                 struct sk_buff *skb;
1104
1105                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1106                 if (!skb) {
1107                         ret_val = 7;
1108                         goto err_nomem;
1109                 }
1110                 skb_reserve(skb, NET_IP_ALIGN);
1111                 rx_ring->buffer_info[i].skb = skb;
1112                 rx_ring->buffer_info[i].dma =
1113                         pci_map_single(pdev, skb->data, 2048,
1114                                        PCI_DMA_FROMDEVICE);
1115                 if (pci_dma_mapping_error(rx_ring->buffer_info[i].dma)) {
1116                         ret_val = 8;
1117                         goto err_nomem;
1118                 }
1119                 rx_desc->buffer_addr =
1120                         cpu_to_le64(rx_ring->buffer_info[i].dma);
1121                 memset(skb->data, 0x00, skb->len);
1122         }
1123
1124         return 0;
1125
1126 err_nomem:
1127         e1000_free_desc_rings(adapter);
1128         return ret_val;
1129 }
1130
1131 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1132 {
1133         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1134         e1e_wphy(&adapter->hw, 29, 0x001F);
1135         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1136         e1e_wphy(&adapter->hw, 29, 0x001A);
1137         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1138 }
1139
1140 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1141 {
1142         struct e1000_hw *hw = &adapter->hw;
1143         u32 ctrl_reg = 0;
1144         u32 stat_reg = 0;
1145
1146         adapter->hw.mac.autoneg = 0;
1147
1148         if (adapter->hw.phy.type == e1000_phy_m88) {
1149                 /* Auto-MDI/MDIX Off */
1150                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1151                 /* reset to update Auto-MDI/MDIX */
1152                 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1153                 /* autoneg off */
1154                 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1155         } else if (adapter->hw.phy.type == e1000_phy_gg82563)
1156                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1157
1158         ctrl_reg = er32(CTRL);
1159
1160         if (adapter->hw.phy.type == e1000_phy_ife) {
1161                 /* force 100, set loopback */
1162                 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1163
1164                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1165                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1166                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1167                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1168                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1169                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1170         } else {
1171                 /* force 1000, set loopback */
1172                 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1173
1174                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1175                 ctrl_reg = er32(CTRL);
1176                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1177                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1178                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1179                              E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1180                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1181         }
1182
1183         if (adapter->hw.media_type == e1000_media_type_copper &&
1184            adapter->hw.phy.type == e1000_phy_m88) {
1185                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1186         } else {
1187                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1188                  * detected. */
1189                 stat_reg = er32(STATUS);
1190                 if ((stat_reg & E1000_STATUS_FD) == 0)
1191                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1192         }
1193
1194         ew32(CTRL, ctrl_reg);
1195
1196         /* Disable the receiver on the PHY so when a cable is plugged in, the
1197          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1198          */
1199         if (adapter->hw.phy.type == e1000_phy_m88)
1200                 e1000_phy_disable_receiver(adapter);
1201
1202         udelay(500);
1203
1204         return 0;
1205 }
1206
1207 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1208 {
1209         struct e1000_hw *hw = &adapter->hw;
1210         u32 ctrl = er32(CTRL);
1211         int link = 0;
1212
1213         /* special requirements for 82571/82572 fiber adapters */
1214
1215         /* jump through hoops to make sure link is up because serdes
1216          * link is hardwired up */
1217         ctrl |= E1000_CTRL_SLU;
1218         ew32(CTRL, ctrl);
1219
1220         /* disable autoneg */
1221         ctrl = er32(TXCW);
1222         ctrl &= ~(1 << 31);
1223         ew32(TXCW, ctrl);
1224
1225         link = (er32(STATUS) & E1000_STATUS_LU);
1226
1227         if (!link) {
1228                 /* set invert loss of signal */
1229                 ctrl = er32(CTRL);
1230                 ctrl |= E1000_CTRL_ILOS;
1231                 ew32(CTRL, ctrl);
1232         }
1233
1234         /* special write to serdes control register to enable SerDes analog
1235          * loopback */
1236 #define E1000_SERDES_LB_ON 0x410
1237         ew32(SCTL, E1000_SERDES_LB_ON);
1238         msleep(10);
1239
1240         return 0;
1241 }
1242
1243 /* only call this for fiber/serdes connections to es2lan */
1244 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1245 {
1246         struct e1000_hw *hw = &adapter->hw;
1247         u32 ctrlext = er32(CTRL_EXT);
1248         u32 ctrl = er32(CTRL);
1249
1250         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1251            on mac_type 80003es2lan) */
1252         adapter->tx_fifo_head = ctrlext;
1253
1254         /* clear the serdes mode bits, putting the device into mac loopback */
1255         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1256         ew32(CTRL_EXT, ctrlext);
1257
1258         /* force speed to 1000/FD, link up */
1259         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1260         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1261                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1262         ew32(CTRL, ctrl);
1263
1264         /* set mac loopback */
1265         ctrl = er32(RCTL);
1266         ctrl |= E1000_RCTL_LBM_MAC;
1267         ew32(RCTL, ctrl);
1268
1269         /* set testing mode parameters (no need to reset later) */
1270 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1271 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1272         ew32(KMRNCTRLSTA,
1273                 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1274
1275         return 0;
1276 }
1277
1278 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1279 {
1280         struct e1000_hw *hw = &adapter->hw;
1281         u32 rctl;
1282
1283         if (hw->media_type == e1000_media_type_fiber ||
1284             hw->media_type == e1000_media_type_internal_serdes) {
1285                 switch (hw->mac.type) {
1286                 case e1000_80003es2lan:
1287                         return e1000_set_es2lan_mac_loopback(adapter);
1288                         break;
1289                 case e1000_82571:
1290                 case e1000_82572:
1291                         return e1000_set_82571_fiber_loopback(adapter);
1292                         break;
1293                 default:
1294                         rctl = er32(RCTL);
1295                         rctl |= E1000_RCTL_LBM_TCVR;
1296                         ew32(RCTL, rctl);
1297                         return 0;
1298                 }
1299         } else if (hw->media_type == e1000_media_type_copper) {
1300                 return e1000_integrated_phy_loopback(adapter);
1301         }
1302
1303         return 7;
1304 }
1305
1306 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1307 {
1308         struct e1000_hw *hw = &adapter->hw;
1309         u32 rctl;
1310         u16 phy_reg;
1311
1312         rctl = er32(RCTL);
1313         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1314         ew32(RCTL, rctl);
1315
1316         switch (hw->mac.type) {
1317         case e1000_80003es2lan:
1318                 if (hw->media_type == e1000_media_type_fiber ||
1319                     hw->media_type == e1000_media_type_internal_serdes) {
1320                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1321                         ew32(CTRL_EXT,
1322                                         adapter->tx_fifo_head);
1323                         adapter->tx_fifo_head = 0;
1324                 }
1325                 /* fall through */
1326         case e1000_82571:
1327         case e1000_82572:
1328                 if (hw->media_type == e1000_media_type_fiber ||
1329                     hw->media_type == e1000_media_type_internal_serdes) {
1330 #define E1000_SERDES_LB_OFF 0x400
1331                         ew32(SCTL, E1000_SERDES_LB_OFF);
1332                         msleep(10);
1333                         break;
1334                 }
1335                 /* Fall Through */
1336         default:
1337                 hw->mac.autoneg = 1;
1338                 if (hw->phy.type == e1000_phy_gg82563)
1339                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1340                 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1341                 if (phy_reg & MII_CR_LOOPBACK) {
1342                         phy_reg &= ~MII_CR_LOOPBACK;
1343                         e1e_wphy(hw, PHY_CONTROL, phy_reg);
1344                         e1000e_commit_phy(hw);
1345                 }
1346                 break;
1347         }
1348 }
1349
1350 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1351                                       unsigned int frame_size)
1352 {
1353         memset(skb->data, 0xFF, frame_size);
1354         frame_size &= ~1;
1355         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1356         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1357         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1358 }
1359
1360 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1361                                     unsigned int frame_size)
1362 {
1363         frame_size &= ~1;
1364         if (*(skb->data + 3) == 0xFF)
1365                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1366                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1367                         return 0;
1368         return 13;
1369 }
1370
1371 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1372 {
1373         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1374         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1375         struct pci_dev *pdev = adapter->pdev;
1376         struct e1000_hw *hw = &adapter->hw;
1377         int i, j, k, l;
1378         int lc;
1379         int good_cnt;
1380         int ret_val = 0;
1381         unsigned long time;
1382
1383         ew32(RDT, rx_ring->count - 1);
1384
1385         /* Calculate the loop count based on the largest descriptor ring
1386          * The idea is to wrap the largest ring a number of times using 64
1387          * send/receive pairs during each loop
1388          */
1389
1390         if (rx_ring->count <= tx_ring->count)
1391                 lc = ((tx_ring->count / 64) * 2) + 1;
1392         else
1393                 lc = ((rx_ring->count / 64) * 2) + 1;
1394
1395         k = 0;
1396         l = 0;
1397         for (j = 0; j <= lc; j++) { /* loop count loop */
1398                 for (i = 0; i < 64; i++) { /* send the packets */
1399                         e1000_create_lbtest_frame(
1400                                 tx_ring->buffer_info[i].skb, 1024);
1401                         pci_dma_sync_single_for_device(pdev,
1402                                         tx_ring->buffer_info[k].dma,
1403                                         tx_ring->buffer_info[k].length,
1404                                         PCI_DMA_TODEVICE);
1405                         k++;
1406                         if (k == tx_ring->count)
1407                                 k = 0;
1408                 }
1409                 ew32(TDT, k);
1410                 msleep(200);
1411                 time = jiffies; /* set the start time for the receive */
1412                 good_cnt = 0;
1413                 do { /* receive the sent packets */
1414                         pci_dma_sync_single_for_cpu(pdev,
1415                                         rx_ring->buffer_info[l].dma, 2048,
1416                                         PCI_DMA_FROMDEVICE);
1417
1418                         ret_val = e1000_check_lbtest_frame(
1419                                         rx_ring->buffer_info[l].skb, 1024);
1420                         if (!ret_val)
1421                                 good_cnt++;
1422                         l++;
1423                         if (l == rx_ring->count)
1424                                 l = 0;
1425                         /* time + 20 msecs (200 msecs on 2.4) is more than
1426                          * enough time to complete the receives, if it's
1427                          * exceeded, break and error off
1428                          */
1429                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1430                 if (good_cnt != 64) {
1431                         ret_val = 13; /* ret_val is the same as mis-compare */
1432                         break;
1433                 }
1434                 if (jiffies >= (time + 2)) {
1435                         ret_val = 14; /* error code for time out error */
1436                         break;
1437                 }
1438         } /* end loop count loop */
1439         return ret_val;
1440 }
1441
1442 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1443 {
1444         /* PHY loopback cannot be performed if SoL/IDER
1445          * sessions are active */
1446         if (e1000_check_reset_block(&adapter->hw)) {
1447                 ndev_err(adapter->netdev, "Cannot do PHY loopback test "
1448                          "when SoL/IDER is active.\n");
1449                 *data = 0;
1450                 goto out;
1451         }
1452
1453         *data = e1000_setup_desc_rings(adapter);
1454         if (*data)
1455                 goto out;
1456
1457         *data = e1000_setup_loopback_test(adapter);
1458         if (*data)
1459                 goto err_loopback;
1460
1461         *data = e1000_run_loopback_test(adapter);
1462         e1000_loopback_cleanup(adapter);
1463
1464 err_loopback:
1465         e1000_free_desc_rings(adapter);
1466 out:
1467         return *data;
1468 }
1469
1470 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1471 {
1472         struct e1000_hw *hw = &adapter->hw;
1473
1474         *data = 0;
1475         if (hw->media_type == e1000_media_type_internal_serdes) {
1476                 int i = 0;
1477                 hw->mac.serdes_has_link = 0;
1478
1479                 /* On some blade server designs, link establishment
1480                  * could take as long as 2-3 minutes */
1481                 do {
1482                         hw->mac.ops.check_for_link(hw);
1483                         if (hw->mac.serdes_has_link)
1484                                 return *data;
1485                         msleep(20);
1486                 } while (i++ < 3750);
1487
1488                 *data = 1;
1489         } else {
1490                 hw->mac.ops.check_for_link(hw);
1491                 if (hw->mac.autoneg)
1492                         msleep(4000);
1493
1494                 if (!(er32(STATUS) &
1495                       E1000_STATUS_LU))
1496                         *data = 1;
1497         }
1498         return *data;
1499 }
1500
1501 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1502 {
1503         switch (sset) {
1504         case ETH_SS_TEST:
1505                 return E1000_TEST_LEN;
1506         case ETH_SS_STATS:
1507                 return E1000_STATS_LEN;
1508         default:
1509                 return -EOPNOTSUPP;
1510         }
1511 }
1512
1513 static void e1000_diag_test(struct net_device *netdev,
1514                             struct ethtool_test *eth_test, u64 *data)
1515 {
1516         struct e1000_adapter *adapter = netdev_priv(netdev);
1517         u16 autoneg_advertised;
1518         u8 forced_speed_duplex;
1519         u8 autoneg;
1520         bool if_running = netif_running(netdev);
1521
1522         set_bit(__E1000_TESTING, &adapter->state);
1523         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1524                 /* Offline tests */
1525
1526                 /* save speed, duplex, autoneg settings */
1527                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1528                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1529                 autoneg = adapter->hw.mac.autoneg;
1530
1531                 ndev_info(netdev, "offline testing starting\n");
1532
1533                 /* Link test performed before hardware reset so autoneg doesn't
1534                  * interfere with test result */
1535                 if (e1000_link_test(adapter, &data[4]))
1536                         eth_test->flags |= ETH_TEST_FL_FAILED;
1537
1538                 if (if_running)
1539                         /* indicate we're in test mode */
1540                         dev_close(netdev);
1541                 else
1542                         e1000e_reset(adapter);
1543
1544                 if (e1000_reg_test(adapter, &data[0]))
1545                         eth_test->flags |= ETH_TEST_FL_FAILED;
1546
1547                 e1000e_reset(adapter);
1548                 if (e1000_eeprom_test(adapter, &data[1]))
1549                         eth_test->flags |= ETH_TEST_FL_FAILED;
1550
1551                 e1000e_reset(adapter);
1552                 if (e1000_intr_test(adapter, &data[2]))
1553                         eth_test->flags |= ETH_TEST_FL_FAILED;
1554
1555                 e1000e_reset(adapter);
1556                 /* make sure the phy is powered up */
1557                 e1000e_power_up_phy(adapter);
1558                 if (e1000_loopback_test(adapter, &data[3]))
1559                         eth_test->flags |= ETH_TEST_FL_FAILED;
1560
1561                 /* restore speed, duplex, autoneg settings */
1562                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1563                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1564                 adapter->hw.mac.autoneg = autoneg;
1565
1566                 /* force this routine to wait until autoneg complete/timeout */
1567                 adapter->hw.phy.wait_for_link = 1;
1568                 e1000e_reset(adapter);
1569                 adapter->hw.phy.wait_for_link = 0;
1570
1571                 clear_bit(__E1000_TESTING, &adapter->state);
1572                 if (if_running)
1573                         dev_open(netdev);
1574         } else {
1575                 ndev_info(netdev, "online testing starting\n");
1576                 /* Online tests */
1577                 if (e1000_link_test(adapter, &data[4]))
1578                         eth_test->flags |= ETH_TEST_FL_FAILED;
1579
1580                 /* Online tests aren't run; pass by default */
1581                 data[0] = 0;
1582                 data[1] = 0;
1583                 data[2] = 0;
1584                 data[3] = 0;
1585
1586                 clear_bit(__E1000_TESTING, &adapter->state);
1587         }
1588         msleep_interruptible(4 * 1000);
1589 }
1590
1591 static void e1000_get_wol(struct net_device *netdev,
1592                           struct ethtool_wolinfo *wol)
1593 {
1594         struct e1000_adapter *adapter = netdev_priv(netdev);
1595
1596         wol->supported = 0;
1597         wol->wolopts = 0;
1598
1599         if (!(adapter->flags & FLAG_HAS_WOL))
1600                 return;
1601
1602         wol->supported = WAKE_UCAST | WAKE_MCAST |
1603                          WAKE_BCAST | WAKE_MAGIC;
1604
1605         /* apply any specific unsupported masks here */
1606         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1607                 wol->supported &= ~WAKE_UCAST;
1608
1609                 if (adapter->wol & E1000_WUFC_EX)
1610                         ndev_err(netdev, "Interface does not support "
1611                                  "directed (unicast) frame wake-up packets\n");
1612         }
1613
1614         if (adapter->wol & E1000_WUFC_EX)
1615                 wol->wolopts |= WAKE_UCAST;
1616         if (adapter->wol & E1000_WUFC_MC)
1617                 wol->wolopts |= WAKE_MCAST;
1618         if (adapter->wol & E1000_WUFC_BC)
1619                 wol->wolopts |= WAKE_BCAST;
1620         if (adapter->wol & E1000_WUFC_MAG)
1621                 wol->wolopts |= WAKE_MAGIC;
1622 }
1623
1624 static int e1000_set_wol(struct net_device *netdev,
1625                          struct ethtool_wolinfo *wol)
1626 {
1627         struct e1000_adapter *adapter = netdev_priv(netdev);
1628
1629         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1630                 return -EOPNOTSUPP;
1631
1632         if (!(adapter->flags & FLAG_HAS_WOL))
1633                 return wol->wolopts ? -EOPNOTSUPP : 0;
1634
1635         /* these settings will always override what we currently have */
1636         adapter->wol = 0;
1637
1638         if (wol->wolopts & WAKE_UCAST)
1639                 adapter->wol |= E1000_WUFC_EX;
1640         if (wol->wolopts & WAKE_MCAST)
1641                 adapter->wol |= E1000_WUFC_MC;
1642         if (wol->wolopts & WAKE_BCAST)
1643                 adapter->wol |= E1000_WUFC_BC;
1644         if (wol->wolopts & WAKE_MAGIC)
1645                 adapter->wol |= E1000_WUFC_MAG;
1646
1647         return 0;
1648 }
1649
1650 /* toggle LED 4 times per second = 2 "blinks" per second */
1651 #define E1000_ID_INTERVAL       (HZ/4)
1652
1653 /* bit defines for adapter->led_status */
1654 #define E1000_LED_ON            0
1655
1656 static void e1000_led_blink_callback(unsigned long data)
1657 {
1658         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1659
1660         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1661                 adapter->hw.mac.ops.led_off(&adapter->hw);
1662         else
1663                 adapter->hw.mac.ops.led_on(&adapter->hw);
1664
1665         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1666 }
1667
1668 static int e1000_phys_id(struct net_device *netdev, u32 data)
1669 {
1670         struct e1000_adapter *adapter = netdev_priv(netdev);
1671
1672         if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
1673                 data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
1674
1675         if (adapter->hw.phy.type == e1000_phy_ife) {
1676                 if (!adapter->blink_timer.function) {
1677                         init_timer(&adapter->blink_timer);
1678                         adapter->blink_timer.function =
1679                                 e1000_led_blink_callback;
1680                         adapter->blink_timer.data = (unsigned long) adapter;
1681                 }
1682                 mod_timer(&adapter->blink_timer, jiffies);
1683                 msleep_interruptible(data * 1000);
1684                 del_timer_sync(&adapter->blink_timer);
1685                 e1e_wphy(&adapter->hw,
1686                                     IFE_PHY_SPECIAL_CONTROL_LED, 0);
1687         } else {
1688                 e1000e_blink_led(&adapter->hw);
1689                 msleep_interruptible(data * 1000);
1690         }
1691
1692         adapter->hw.mac.ops.led_off(&adapter->hw);
1693         clear_bit(E1000_LED_ON, &adapter->led_status);
1694         adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1695
1696         return 0;
1697 }
1698
1699 static int e1000_nway_reset(struct net_device *netdev)
1700 {
1701         struct e1000_adapter *adapter = netdev_priv(netdev);
1702         if (netif_running(netdev))
1703                 e1000e_reinit_locked(adapter);
1704         return 0;
1705 }
1706
1707 static void e1000_get_ethtool_stats(struct net_device *netdev,
1708                                     struct ethtool_stats *stats,
1709                                     u64 *data)
1710 {
1711         struct e1000_adapter *adapter = netdev_priv(netdev);
1712         int i;
1713
1714         e1000e_update_stats(adapter);
1715         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1716                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1717                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1718                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1719         }
1720 }
1721
1722 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1723                               u8 *data)
1724 {
1725         u8 *p = data;
1726         int i;
1727
1728         switch (stringset) {
1729         case ETH_SS_TEST:
1730                 memcpy(data, *e1000_gstrings_test,
1731                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1732                 break;
1733         case ETH_SS_STATS:
1734                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1735                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1736                                ETH_GSTRING_LEN);
1737                         p += ETH_GSTRING_LEN;
1738                 }
1739                 break;
1740         }
1741 }
1742
1743 static const struct ethtool_ops e1000_ethtool_ops = {
1744         .get_settings           = e1000_get_settings,
1745         .set_settings           = e1000_set_settings,
1746         .get_drvinfo            = e1000_get_drvinfo,
1747         .get_regs_len           = e1000_get_regs_len,
1748         .get_regs               = e1000_get_regs,
1749         .get_wol                = e1000_get_wol,
1750         .set_wol                = e1000_set_wol,
1751         .get_msglevel           = e1000_get_msglevel,
1752         .set_msglevel           = e1000_set_msglevel,
1753         .nway_reset             = e1000_nway_reset,
1754         .get_link               = ethtool_op_get_link,
1755         .get_eeprom_len         = e1000_get_eeprom_len,
1756         .get_eeprom             = e1000_get_eeprom,
1757         .set_eeprom             = e1000_set_eeprom,
1758         .get_ringparam          = e1000_get_ringparam,
1759         .set_ringparam          = e1000_set_ringparam,
1760         .get_pauseparam         = e1000_get_pauseparam,
1761         .set_pauseparam         = e1000_set_pauseparam,
1762         .get_rx_csum            = e1000_get_rx_csum,
1763         .set_rx_csum            = e1000_set_rx_csum,
1764         .get_tx_csum            = e1000_get_tx_csum,
1765         .set_tx_csum            = e1000_set_tx_csum,
1766         .get_sg                 = ethtool_op_get_sg,
1767         .set_sg                 = ethtool_op_set_sg,
1768         .get_tso                = ethtool_op_get_tso,
1769         .set_tso                = e1000_set_tso,
1770         .self_test              = e1000_diag_test,
1771         .get_strings            = e1000_get_strings,
1772         .phys_id                = e1000_phys_id,
1773         .get_ethtool_stats      = e1000_get_ethtool_stats,
1774         .get_sset_count         = e1000e_get_sset_count,
1775 };
1776
1777 void e1000e_set_ethtool_ops(struct net_device *netdev)
1778 {
1779         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1780 }