SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/e1000e/ethtool.c

   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                 if (netif_running(adapter->netdev)) {
 305                         e1000e_down(adapter);
 306                         e1000e_up(adapter);
 307                 } else {
 308                         e1000e_reset(adapter);
 309                 }
 310         } else {
 311                 retval = ((hw->media_type == e1000_media_type_fiber) ?
 312                           hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
 313         }
 314
 315         clear_bit(__E1000_RESETTING, &adapter->state);
 316         return retval;
 317 }
 318
 319 static u32 e1000_get_rx_csum(struct net_device *netdev)
 320 {
 321         struct e1000_adapter *adapter = netdev_priv(netdev);
 322         return (adapter->flags & FLAG_RX_CSUM_ENABLED);
 323 }
 324
 325 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 326 {
 327         struct e1000_adapter *adapter = netdev_priv(netdev);
 328
 329         if (data)
 330                 adapter->flags |= FLAG_RX_CSUM_ENABLED;
 331         else
 332                 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
 333
 334         if (netif_running(netdev))
 335                 e1000e_reinit_locked(adapter);
 336         else
 337                 e1000e_reset(adapter);
 338         return 0;
 339 }
 340
 341 static u32 e1000_get_tx_csum(struct net_device *netdev)
 342 {
 343         return ((netdev->features & NETIF_F_HW_CSUM) != 0);
 344 }
 345
 346 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 347 {
 348         if (data)
 349                 netdev->features |= NETIF_F_HW_CSUM;
 350         else
 351                 netdev->features &= ~NETIF_F_HW_CSUM;
 352
 353         return 0;
 354 }
 355
 356 static int e1000_set_tso(struct net_device *netdev, u32 data)
 357 {
 358         struct e1000_adapter *adapter = netdev_priv(netdev);
 359
 360         if (data) {
 361                 netdev->features |= NETIF_F_TSO;
 362                 netdev->features |= NETIF_F_TSO6;
 363         } else {
 364                 netdev->features &= ~NETIF_F_TSO;
 365                 netdev->features &= ~NETIF_F_TSO6;
 366         }
 367
 368         ndev_info(netdev, "TSO is %s\n",
 369                   data ? "Enabled" : "Disabled");
 370         adapter->flags |= FLAG_TSO_FORCE;
 371         return 0;
 372 }
 373
 374 static u32 e1000_get_msglevel(struct net_device *netdev)
 375 {
 376         struct e1000_adapter *adapter = netdev_priv(netdev);
 377         return adapter->msg_enable;
 378 }
 379
 380 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 381 {
 382         struct e1000_adapter *adapter = netdev_priv(netdev);
 383         adapter->msg_enable = data;
 384 }
 385
 386 static int e1000_get_regs_len(struct net_device *netdev)
 387 {
 388 #define E1000_REGS_LEN 32 /* overestimate */
 389         return E1000_REGS_LEN * sizeof(u32);
 390 }
 391
 392 static void e1000_get_regs(struct net_device *netdev,
 393                            struct ethtool_regs *regs, void *p)
 394 {
 395         struct e1000_adapter *adapter = netdev_priv(netdev);
 396         struct e1000_hw *hw = &adapter->hw;
 397         u32 *regs_buff = p;
 398         u16 phy_data;
 399         u8 revision_id;
 400
 401         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 402
 403         pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
 404
 405         regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
 406
 407         regs_buff[0]  = er32(CTRL);
 408         regs_buff[1]  = er32(STATUS);
 409
 410         regs_buff[2]  = er32(RCTL);
 411         regs_buff[3]  = er32(RDLEN);
 412         regs_buff[4]  = er32(RDH);
 413         regs_buff[5]  = er32(RDT);
 414         regs_buff[6]  = er32(RDTR);
 415
 416         regs_buff[7]  = er32(TCTL);
 417         regs_buff[8]  = er32(TDLEN);
 418         regs_buff[9]  = er32(TDH);
 419         regs_buff[10] = er32(TDT);
 420         regs_buff[11] = er32(TIDV);
 421
 422         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 423         if (hw->phy.type == e1000_phy_m88) {
 424                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 425                 regs_buff[13] = (u32)phy_data; /* cable length */
 426                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 427                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 428                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 429                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 430                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 431                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 432                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 433                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 434                 /* phy receive errors */
 435                 regs_buff[22] = adapter->phy_stats.receive_errors;
 436                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 437         }
 438         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 439         e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
 440         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 441         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 442 }
 443
 444 static int e1000_get_eeprom_len(struct net_device *netdev)
 445 {
 446         struct e1000_adapter *adapter = netdev_priv(netdev);
 447         return adapter->hw.nvm.word_size * 2;
 448 }
 449
 450 static int e1000_get_eeprom(struct net_device *netdev,
 451                             struct ethtool_eeprom *eeprom, u8 *bytes)
 452 {
 453         struct e1000_adapter *adapter = netdev_priv(netdev);
 454         struct e1000_hw *hw = &adapter->hw;
 455         u16 *eeprom_buff;
 456         int first_word;
 457         int last_word;
 458         int ret_val = 0;
 459         u16 i;
 460
 461         if (eeprom->len == 0)
 462                 return -EINVAL;
 463
 464         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 465
 466         first_word = eeprom->offset >> 1;
 467         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 468
 469         eeprom_buff = kmalloc(sizeof(u16) *
 470                         (last_word - first_word + 1), GFP_KERNEL);
 471         if (!eeprom_buff)
 472                 return -ENOMEM;
 473
 474         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 475                 ret_val = e1000_read_nvm(hw, first_word,
 476                                          last_word - first_word + 1,
 477                                          eeprom_buff);
 478         } else {
 479                 for (i = 0; i < last_word - first_word + 1; i++) {
 480                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 481                                                       &eeprom_buff[i]);
 482                         if (ret_val)
 483                                 break;
 484                 }
 485         }
 486
 487         /* Device's eeprom is always little-endian, word addressable */
 488         for (i = 0; i < last_word - first_word + 1; i++)
 489                 le16_to_cpus(&eeprom_buff[i]);
 490
 491         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 492         kfree(eeprom_buff);
 493
 494         return ret_val;
 495 }
 496
 497 static int e1000_set_eeprom(struct net_device *netdev,
 498                             struct ethtool_eeprom *eeprom, u8 *bytes)
 499 {
 500         struct e1000_adapter *adapter = netdev_priv(netdev);
 501         struct e1000_hw *hw = &adapter->hw;
 502         u16 *eeprom_buff;
 503         void *ptr;
 504         int max_len;
 505         int first_word;
 506         int last_word;
 507         int ret_val = 0;
 508         u16 i;
 509
 510         if (eeprom->len == 0)
 511                 return -EOPNOTSUPP;
 512
 513         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 514                 return -EFAULT;
 515
 516         max_len = hw->nvm.word_size * 2;
 517
 518         first_word = eeprom->offset >> 1;
 519         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 520         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 521         if (!eeprom_buff)
 522                 return -ENOMEM;
 523
 524         ptr = (void *)eeprom_buff;
 525
 526         if (eeprom->offset & 1) {
 527                 /* need read/modify/write of first changed EEPROM word */
 528                 /* only the second byte of the word is being modified */
 529                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 530                 ptr++;
 531         }
 532         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
 533                 /* need read/modify/write of last changed EEPROM word */
 534                 /* only the first byte of the word is being modified */
 535                 ret_val = e1000_read_nvm(hw, last_word, 1,
 536                                   &eeprom_buff[last_word - first_word]);
 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_nvm(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 controllers */
 552         if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
 553                                (hw->mac.type == e1000_82573)))
 554                 e1000e_update_nvm_checksum(hw);
 555
 556         kfree(eeprom_buff);
 557         return ret_val;
 558 }
 559
 560 static void e1000_get_drvinfo(struct net_device *netdev,
 561                               struct ethtool_drvinfo *drvinfo)
 562 {
 563         struct e1000_adapter *adapter = netdev_priv(netdev);
 564         char firmware_version[32];
 565         u16 eeprom_data;
 566
 567         strncpy(drvinfo->driver,  e1000e_driver_name, 32);
 568         strncpy(drvinfo->version, e1000e_driver_version, 32);
 569
 570         /* EEPROM image version # is reported as firmware version # for
 571          * PCI-E controllers */
 572         e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
 573         sprintf(firmware_version, "%d.%d-%d",
 574                 (eeprom_data & 0xF000) >> 12,
 575                 (eeprom_data & 0x0FF0) >> 4,
 576                 eeprom_data & 0x000F);
 577
 578         strncpy(drvinfo->fw_version, firmware_version, 32);
 579         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 580         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 581         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 582 }
 583
 584 static void e1000_get_ringparam(struct net_device *netdev,
 585                                 struct ethtool_ringparam *ring)
 586 {
 587         struct e1000_adapter *adapter = netdev_priv(netdev);
 588         struct e1000_ring *tx_ring = adapter->tx_ring;
 589         struct e1000_ring *rx_ring = adapter->rx_ring;
 590
 591         ring->rx_max_pending = E1000_MAX_RXD;
 592         ring->tx_max_pending = E1000_MAX_TXD;
 593         ring->rx_mini_max_pending = 0;
 594         ring->rx_jumbo_max_pending = 0;
 595         ring->rx_pending = rx_ring->count;
 596         ring->tx_pending = tx_ring->count;
 597         ring->rx_mini_pending = 0;
 598         ring->rx_jumbo_pending = 0;
 599 }
 600
 601 static int e1000_set_ringparam(struct net_device *netdev,
 602                                struct ethtool_ringparam *ring)
 603 {
 604         struct e1000_adapter *adapter = netdev_priv(netdev);
 605         struct e1000_ring *tx_ring, *tx_old;
 606         struct e1000_ring *rx_ring, *rx_old;
 607         int err;
 608
 609         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 610                 return -EINVAL;
 611
 612         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 613                 msleep(1);
 614
 615         if (netif_running(adapter->netdev))
 616                 e1000e_down(adapter);
 617
 618         tx_old = adapter->tx_ring;
 619         rx_old = adapter->rx_ring;
 620
 621         err = -ENOMEM;
 622         tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 623         if (!tx_ring)
 624                 goto err_alloc_tx;
 625
 626         rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 627         if (!rx_ring)
 628                 goto err_alloc_rx;
 629
 630         adapter->tx_ring = tx_ring;
 631         adapter->rx_ring = rx_ring;
 632
 633         rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
 634         rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
 635         rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 636
 637         tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
 638         tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
 639         tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 640
 641         if (netif_running(adapter->netdev)) {
 642                 /* Try to get new resources before deleting old */
 643                 err = e1000e_setup_rx_resources(adapter);
 644                 if (err)
 645                         goto err_setup_rx;
 646                 err = e1000e_setup_tx_resources(adapter);
 647                 if (err)
 648                         goto err_setup_tx;
 649
 650                 /* save the new, restore the old in order to free it,
 651                  * then restore the new back again */
 652                 adapter->rx_ring = rx_old;
 653                 adapter->tx_ring = tx_old;
 654                 e1000e_free_rx_resources(adapter);
 655                 e1000e_free_tx_resources(adapter);
 656                 kfree(tx_old);
 657                 kfree(rx_old);
 658                 adapter->rx_ring = rx_ring;
 659                 adapter->tx_ring = tx_ring;
 660                 err = e1000e_up(adapter);
 661                 if (err)
 662                         goto err_setup;
 663         }
 664
 665         clear_bit(__E1000_RESETTING, &adapter->state);
 666         return 0;
 667 err_setup_tx:
 668         e1000e_free_rx_resources(adapter);
 669 err_setup_rx:
 670         adapter->rx_ring = rx_old;
 671         adapter->tx_ring = tx_old;
 672         kfree(rx_ring);
 673 err_alloc_rx:
 674         kfree(tx_ring);
 675 err_alloc_tx:
 676         e1000e_up(adapter);
 677 err_setup:
 678         clear_bit(__E1000_RESETTING, &adapter->state);
 679         return err;
 680 }
 681
 682 #define REG_PATTERN_TEST(R, M, W) REG_PATTERN_TEST_ARRAY(R, 0, M, W)
 683 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, writeable)                  \
 684 {                                                                             \
 685         u32 _pat;                                                             \
 686         u32 _value;                                                           \
 687         u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};       \
 688         for (_pat = 0; _pat < ARRAY_SIZE(_test); _pat++) {                    \
 689                 E1000_WRITE_REG_ARRAY(hw, reg, offset,        \
 690                                       (_test[_pat] & writeable));             \
 691                 _value = E1000_READ_REG_ARRAY(hw, reg, offset);     \
 692                 if (_value != (_test[_pat] & writeable & mask)) {             \
 693                         ndev_err(netdev, "pattern test reg %04X "             \
 694                                  "failed: got 0x%08X expected 0x%08X\n",      \
 695                                  reg + offset,  \
 696                                  value, (_test[_pat] & writeable & mask));    \
 697                         *data = reg;                                          \
 698                         return 1;                                             \
 699                 }                                                             \
 700         }                                                                     \
 701 }
 702
 703 #define REG_SET_AND_CHECK(R, M, W)                                            \
 704 {                                                                             \
 705         u32 _value;                                                           \
 706         __ew32(hw, R, W & M);                                           \
 707         _value = __er32(hw, R);                                         \
 708         if ((W & M) != (_value & M)) {                                        \
 709                 ndev_err(netdev, "set/check reg %04X test failed: "           \
 710                          "got 0x%08X expected 0x%08X\n", R, (_value & M),     \
 711                          (W & M));                                            \
 712                 *data = R;                                                    \
 713                 return 1;                                                     \
 714         }                                                                     \
 715 }
 716
 717 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 718 {
 719         struct e1000_hw *hw = &adapter->hw;
 720         struct e1000_mac_info *mac = &adapter->hw.mac;
 721         struct net_device *netdev = adapter->netdev;
 722         u32 value;
 723         u32 before;
 724         u32 after;
 725         u32 i;
 726         u32 toggle;
 727
 728         /* The status register is Read Only, so a write should fail.
 729          * Some bits that get toggled are ignored.
 730          */
 731         switch (mac->type) {
 732         /* there are several bits on newer hardware that are r/w */
 733         case e1000_82571:
 734         case e1000_82572:
 735         case e1000_80003es2lan:
 736                 toggle = 0x7FFFF3FF;
 737                 break;
 738         case e1000_82573:
 739         case e1000_ich8lan:
 740         case e1000_ich9lan:
 741                 toggle = 0x7FFFF033;
 742                 break;
 743         default:
 744                 toggle = 0xFFFFF833;
 745                 break;
 746         }
 747
 748         before = er32(STATUS);
 749         value = (er32(STATUS) & toggle);
 750         ew32(STATUS, toggle);
 751         after = er32(STATUS) & toggle;
 752         if (value != after) {
 753                 ndev_err(netdev, "failed STATUS register test got: "
 754                          "0x%08X expected: 0x%08X\n", after, value);
 755                 *data = 1;
 756                 return 1;
 757         }
 758         /* restore previous status */
 759         ew32(STATUS, before);
 760
 761         if ((mac->type != e1000_ich8lan) &&
 762             (mac->type != e1000_ich9lan)) {
 763                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 764                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 765                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 766                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 767         }
 768
 769         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 770         REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 771         REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
 772         REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
 773         REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
 774         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 775         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 776         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 777         REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 778         REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
 779
 780         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 781
 782         before = (((mac->type == e1000_ich8lan) ||
 783                    (mac->type == e1000_ich9lan)) ? 0x06C3B33E : 0x06DFB3FE);
 784         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 785         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 786
 787         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 788         REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 789         REG_PATTERN_TEST(E1000_TXCW, 0x0000FFFF, 0x0000FFFF);
 790         REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 791
 792         for (i = 0; i < mac->mta_reg_count; i++)
 793                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 794
 795         *data = 0;
 796         return 0;
 797 }
 798
 799 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 800 {
 801         u16 temp;
 802         u16 checksum = 0;
 803         u16 i;
 804
 805         *data = 0;
 806         /* Read and add up the contents of the EEPROM */
 807         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 808                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 809                         *data = 1;
 810                         break;
 811                 }
 812                 checksum += temp;
 813         }
 814
 815         /* If Checksum is not Correct return error else test passed */
 816         if ((checksum != (u16) NVM_SUM) && !(*data))
 817                 *data = 2;
 818
 819         return *data;
 820 }
 821
 822 static irqreturn_t e1000_test_intr(int irq, void *data)
 823 {
 824         struct net_device *netdev = (struct net_device *) data;
 825         struct e1000_adapter *adapter = netdev_priv(netdev);
 826         struct e1000_hw *hw = &adapter->hw;
 827
 828         adapter->test_icr |= er32(ICR);
 829
 830         return IRQ_HANDLED;
 831 }
 832
 833 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 834 {
 835         struct net_device *netdev = adapter->netdev;
 836         struct e1000_hw *hw = &adapter->hw;
 837         u32 mask;
 838         u32 shared_int = 1;
 839         u32 irq = adapter->pdev->irq;
 840         int i;
 841
 842         *data = 0;
 843
 844         /* NOTE: we don't test MSI interrupts here, yet */
 845         /* Hook up test interrupt handler just for this test */
 846         if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 847                          netdev)) {
 848                 shared_int = 0;
 849         } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
 850                  netdev->name, netdev)) {
 851                 *data = 1;
 852                 return -1;
 853         }
 854         ndev_info(netdev, "testing %s interrupt\n",
 855                   (shared_int ? "shared" : "unshared"));
 856
 857         /* Disable all the interrupts */
 858         ew32(IMC, 0xFFFFFFFF);
 859         msleep(10);
 860
 861         /* Test each interrupt */
 862         for (i = 0; i < 10; i++) {
 863
 864                 if (((adapter->hw.mac.type == e1000_ich8lan) ||
 865                      (adapter->hw.mac.type == e1000_ich9lan)) && i == 8)
 866                         continue;
 867
 868                 /* Interrupt to test */
 869                 mask = 1 << i;
 870
 871                 if (!shared_int) {
 872                         /* Disable the interrupt to be reported in
 873                          * the cause register and then force the same
 874                          * interrupt and see if one gets posted.  If
 875                          * an interrupt was posted to the bus, the
 876                          * test failed.
 877                          */
 878                         adapter->test_icr = 0;
 879                         ew32(IMC, mask);
 880                         ew32(ICS, mask);
 881                         msleep(10);
 882
 883                         if (adapter->test_icr & mask) {
 884                                 *data = 3;
 885                                 break;
 886                         }
 887                 }
 888
 889                 /* Enable the interrupt to be reported in
 890                  * the cause register and then force the same
 891                  * interrupt and see if one gets posted.  If
 892                  * an interrupt was not posted to the bus, the
 893                  * test failed.
 894                  */
 895                 adapter->test_icr = 0;
 896                 ew32(IMS, mask);
 897                 ew32(ICS, mask);
 898                 msleep(10);
 899
 900                 if (!(adapter->test_icr & mask)) {
 901                         *data = 4;
 902                         break;
 903                 }
 904
 905                 if (!shared_int) {
 906                         /* Disable the other interrupts to be reported in
 907                          * the cause register and then force the other
 908                          * interrupts and see if any get posted.  If
 909                          * an interrupt was posted to the bus, the
 910                          * test failed.
 911                          */
 912                         adapter->test_icr = 0;
 913                         ew32(IMC, ~mask & 0x00007FFF);
 914                         ew32(ICS, ~mask & 0x00007FFF);
 915                         msleep(10);
 916
 917                         if (adapter->test_icr) {
 918                                 *data = 5;
 919                                 break;
 920                         }
 921                 }
 922         }
 923
 924         /* Disable all the interrupts */
 925         ew32(IMC, 0xFFFFFFFF);
 926         msleep(10);
 927
 928         /* Unhook test interrupt handler */
 929         free_irq(irq, netdev);
 930
 931         return *data;
 932 }
 933
 934 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 935 {
 936         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
 937         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
 938         struct pci_dev *pdev = adapter->pdev;
 939         int i;
 940
 941         if (tx_ring->desc && tx_ring->buffer_info) {
 942                 for (i = 0; i < tx_ring->count; i++) {
 943                         if (tx_ring->buffer_info[i].dma)
 944                                 pci_unmap_single(pdev,
 945                                         tx_ring->buffer_info[i].dma,
 946                                         tx_ring->buffer_info[i].length,
 947                                         PCI_DMA_TODEVICE);
 948                         if (tx_ring->buffer_info[i].skb)
 949                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
 950                 }
 951         }
 952
 953         if (rx_ring->desc && rx_ring->buffer_info) {
 954                 for (i = 0; i < rx_ring->count; i++) {
 955                         if (rx_ring->buffer_info[i].dma)
 956                                 pci_unmap_single(pdev,
 957                                         rx_ring->buffer_info[i].dma,
 958                                         2048, PCI_DMA_FROMDEVICE);
 959                         if (rx_ring->buffer_info[i].skb)
 960                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
 961                 }
 962         }
 963
 964         if (tx_ring->desc) {
 965                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
 966                                   tx_ring->dma);
 967                 tx_ring->desc = NULL;
 968         }
 969         if (rx_ring->desc) {
 970                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
 971                                   rx_ring->dma);
 972                 rx_ring->desc = NULL;
 973         }
 974
 975         kfree(tx_ring->buffer_info);
 976         tx_ring->buffer_info = NULL;
 977         kfree(rx_ring->buffer_info);
 978         rx_ring->buffer_info = NULL;
 979 }
 980
 981 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 982 {
 983         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
 984         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
 985         struct pci_dev *pdev = adapter->pdev;
 986         struct e1000_hw *hw = &adapter->hw;
 987         u32 rctl;
 988         int size;
 989         int i;
 990         int ret_val;
 991
 992         /* Setup Tx descriptor ring and Tx buffers */
 993
 994         if (!tx_ring->count)
 995                 tx_ring->count = E1000_DEFAULT_TXD;
 996
 997         size = tx_ring->count * sizeof(struct e1000_buffer);
 998         tx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
 999         if (!tx_ring->buffer_info) {
1000                 ret_val = 1;
1001                 goto err_nomem;
1002         }
1003         memset(tx_ring->buffer_info, 0, size);
1004
1005         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1006         tx_ring->size = ALIGN(tx_ring->size, 4096);
1007         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1008                                            &tx_ring->dma, GFP_KERNEL);
1009         if (!tx_ring->desc) {
1010                 ret_val = 2;
1011                 goto err_nomem;
1012         }
1013         memset(tx_ring->desc, 0, tx_ring->size);
1014         tx_ring->next_to_use = 0;
1015         tx_ring->next_to_clean = 0;
1016
1017         ew32(TDBAL,
1018                         ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1019         ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1020         ew32(TDLEN,
1021                         tx_ring->count * sizeof(struct e1000_tx_desc));
1022         ew32(TDH, 0);
1023         ew32(TDT, 0);
1024         ew32(TCTL,
1025                         E1000_TCTL_PSP | E1000_TCTL_EN |
1026                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1027                         E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1028
1029         for (i = 0; i < tx_ring->count; i++) {
1030                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1031                 struct sk_buff *skb;
1032                 unsigned int skb_size = 1024;
1033
1034                 skb = alloc_skb(skb_size, GFP_KERNEL);
1035                 if (!skb) {
1036                         ret_val = 3;
1037                         goto err_nomem;
1038                 }
1039                 skb_put(skb, skb_size);
1040                 tx_ring->buffer_info[i].skb = skb;
1041                 tx_ring->buffer_info[i].length = skb->len;
1042                 tx_ring->buffer_info[i].dma =
1043                         pci_map_single(pdev, skb->data, skb->len,
1044                                        PCI_DMA_TODEVICE);
1045                 if (pci_dma_mapping_error(tx_ring->buffer_info[i].dma)) {
1046                         ret_val = 4;
1047                         goto err_nomem;
1048                 }
1049                 tx_desc->buffer_addr = cpu_to_le64(
1050                                          tx_ring->buffer_info[i].dma);
1051                 tx_desc->lower.data = cpu_to_le32(skb->len);
1052                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1053                                                    E1000_TXD_CMD_IFCS |
1054                                                    E1000_TXD_CMD_RPS);
1055                 tx_desc->upper.data = 0;
1056         }
1057
1058         /* Setup Rx descriptor ring and Rx buffers */
1059
1060         if (!rx_ring->count)
1061                 rx_ring->count = E1000_DEFAULT_RXD;
1062
1063         size = rx_ring->count * sizeof(struct e1000_buffer);
1064         rx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
1065         if (!rx_ring->buffer_info) {
1066                 ret_val = 5;
1067                 goto err_nomem;
1068         }
1069         memset(rx_ring->buffer_info, 0, size);
1070
1071         rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1072         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1073                                            &rx_ring->dma, GFP_KERNEL);
1074         if (!rx_ring->desc) {
1075                 ret_val = 6;
1076                 goto err_nomem;
1077         }
1078         memset(rx_ring->desc, 0, rx_ring->size);
1079         rx_ring->next_to_use = 0;
1080         rx_ring->next_to_clean = 0;
1081
1082         rctl = er32(RCTL);
1083         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1084         ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1085         ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1086         ew32(RDLEN, rx_ring->size);
1087         ew32(RDH, 0);
1088         ew32(RDT, 0);
1089         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1090                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1091                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1092         ew32(RCTL, rctl);
1093
1094         for (i = 0; i < rx_ring->count; i++) {
1095                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1096                 struct sk_buff *skb;
1097
1098                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1099                 if (!skb) {
1100                         ret_val = 7;
1101                         goto err_nomem;
1102                 }
1103                 skb_reserve(skb, NET_IP_ALIGN);
1104                 rx_ring->buffer_info[i].skb = skb;
1105                 rx_ring->buffer_info[i].dma =
1106                         pci_map_single(pdev, skb->data, 2048,
1107                                        PCI_DMA_FROMDEVICE);
1108                 if (pci_dma_mapping_error(rx_ring->buffer_info[i].dma)) {
1109                         ret_val = 8;
1110                         goto err_nomem;
1111                 }
1112                 rx_desc->buffer_addr =
1113                         cpu_to_le64(rx_ring->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 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1125 {
1126         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1127         e1e_wphy(&adapter->hw, 29, 0x001F);
1128         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1129         e1e_wphy(&adapter->hw, 29, 0x001A);
1130         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1131 }
1132
1133 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1134 {
1135         struct e1000_hw *hw = &adapter->hw;
1136         u32 ctrl_reg = 0;
1137         u32 stat_reg = 0;
1138
1139         adapter->hw.mac.autoneg = 0;
1140
1141         if (adapter->hw.phy.type == e1000_phy_m88) {
1142                 /* Auto-MDI/MDIX Off */
1143                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1144                 /* reset to update Auto-MDI/MDIX */
1145                 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1146                 /* autoneg off */
1147                 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1148         } else if (adapter->hw.phy.type == e1000_phy_gg82563)
1149                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1150
1151         ctrl_reg = er32(CTRL);
1152
1153         if (adapter->hw.phy.type == e1000_phy_ife) {
1154                 /* force 100, set loopback */
1155                 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1156
1157                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1158                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1159                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1160                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1161                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1162                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1163         } else {
1164                 /* force 1000, set loopback */
1165                 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1166
1167                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1168                 ctrl_reg = er32(CTRL);
1169                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1170                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1171                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1172                              E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1173                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1174         }
1175
1176         if (adapter->hw.media_type == e1000_media_type_copper &&
1177            adapter->hw.phy.type == e1000_phy_m88) {
1178                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1179         } else {
1180                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1181                  * detected. */
1182                 stat_reg = er32(STATUS);
1183                 if ((stat_reg & E1000_STATUS_FD) == 0)
1184                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1185         }
1186
1187         ew32(CTRL, ctrl_reg);
1188
1189         /* Disable the receiver on the PHY so when a cable is plugged in, the
1190          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1191          */
1192         if (adapter->hw.phy.type == e1000_phy_m88)
1193                 e1000_phy_disable_receiver(adapter);
1194
1195         udelay(500);
1196
1197         return 0;
1198 }
1199
1200 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1201 {
1202         struct e1000_hw *hw = &adapter->hw;
1203         u32 ctrl = er32(CTRL);
1204         int link = 0;
1205
1206         /* special requirements for 82571/82572 fiber adapters */
1207
1208         /* jump through hoops to make sure link is up because serdes
1209          * link is hardwired up */
1210         ctrl |= E1000_CTRL_SLU;
1211         ew32(CTRL, ctrl);
1212
1213         /* disable autoneg */
1214         ctrl = er32(TXCW);
1215         ctrl &= ~(1 << 31);
1216         ew32(TXCW, ctrl);
1217
1218         link = (er32(STATUS) & E1000_STATUS_LU);
1219
1220         if (!link) {
1221                 /* set invert loss of signal */
1222                 ctrl = er32(CTRL);
1223                 ctrl |= E1000_CTRL_ILOS;
1224                 ew32(CTRL, ctrl);
1225         }
1226
1227         /* special write to serdes control register to enable SerDes analog
1228          * loopback */
1229 #define E1000_SERDES_LB_ON 0x410
1230         ew32(SCTL, E1000_SERDES_LB_ON);
1231         msleep(10);
1232
1233         return 0;
1234 }
1235
1236 /* only call this for fiber/serdes connections to es2lan */
1237 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1238 {
1239         struct e1000_hw *hw = &adapter->hw;
1240         u32 ctrlext = er32(CTRL_EXT);
1241         u32 ctrl = er32(CTRL);
1242
1243         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1244            on mac_type 80003es2lan) */
1245         adapter->tx_fifo_head = ctrlext;
1246
1247         /* clear the serdes mode bits, putting the device into mac loopback */
1248         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1249         ew32(CTRL_EXT, ctrlext);
1250
1251         /* force speed to 1000/FD, link up */
1252         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1253         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1254                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1255         ew32(CTRL, ctrl);
1256
1257         /* set mac loopback */
1258         ctrl = er32(RCTL);
1259         ctrl |= E1000_RCTL_LBM_MAC;
1260         ew32(RCTL, ctrl);
1261
1262         /* set testing mode parameters (no need to reset later) */
1263 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1264 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1265         ew32(KMRNCTRLSTA,
1266                 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1267
1268         return 0;
1269 }
1270
1271 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1272 {
1273         struct e1000_hw *hw = &adapter->hw;
1274         u32 rctl;
1275
1276         if (hw->media_type == e1000_media_type_fiber ||
1277             hw->media_type == e1000_media_type_internal_serdes) {
1278                 switch (hw->mac.type) {
1279                 case e1000_80003es2lan:
1280                         return e1000_set_es2lan_mac_loopback(adapter);
1281                         break;
1282                 case e1000_82571:
1283                 case e1000_82572:
1284                         return e1000_set_82571_fiber_loopback(adapter);
1285                         break;
1286                 default:
1287                         rctl = er32(RCTL);
1288                         rctl |= E1000_RCTL_LBM_TCVR;
1289                         ew32(RCTL, rctl);
1290                         return 0;
1291                 }
1292         } else if (hw->media_type == e1000_media_type_copper) {
1293                 return e1000_integrated_phy_loopback(adapter);
1294         }
1295
1296         return 7;
1297 }
1298
1299 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1300 {
1301         struct e1000_hw *hw = &adapter->hw;
1302         u32 rctl;
1303         u16 phy_reg;
1304
1305         rctl = er32(RCTL);
1306         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1307         ew32(RCTL, rctl);
1308
1309         switch (hw->mac.type) {
1310         case e1000_80003es2lan:
1311                 if (hw->media_type == e1000_media_type_fiber ||
1312                     hw->media_type == e1000_media_type_internal_serdes) {
1313                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1314                         ew32(CTRL_EXT,
1315                                         adapter->tx_fifo_head);
1316                         adapter->tx_fifo_head = 0;
1317                 }
1318                 /* fall through */
1319         case e1000_82571:
1320         case e1000_82572:
1321                 if (hw->media_type == e1000_media_type_fiber ||
1322                     hw->media_type == e1000_media_type_internal_serdes) {
1323 #define E1000_SERDES_LB_OFF 0x400
1324                         ew32(SCTL, E1000_SERDES_LB_OFF);
1325                         msleep(10);
1326                         break;
1327                 }
1328                 /* Fall Through */
1329         default:
1330                 hw->mac.autoneg = 1;
1331                 if (hw->phy.type == e1000_phy_gg82563)
1332                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1333                 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1334                 if (phy_reg & MII_CR_LOOPBACK) {
1335                         phy_reg &= ~MII_CR_LOOPBACK;
1336                         e1e_wphy(hw, PHY_CONTROL, phy_reg);
1337                         e1000e_commit_phy(hw);
1338                 }
1339                 break;
1340         }
1341 }
1342
1343 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1344                                       unsigned int frame_size)
1345 {
1346         memset(skb->data, 0xFF, frame_size);
1347         frame_size &= ~1;
1348         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1349         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1350         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1351 }
1352
1353 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1354                                     unsigned int frame_size)
1355 {
1356         frame_size &= ~1;
1357         if (*(skb->data + 3) == 0xFF)
1358                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1359                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1360                         return 0;
1361         return 13;
1362 }
1363
1364 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1365 {
1366         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1367         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1368         struct pci_dev *pdev = adapter->pdev;
1369         struct e1000_hw *hw = &adapter->hw;
1370         int i, j, k, l;
1371         int lc;
1372         int good_cnt;
1373         int ret_val = 0;
1374         unsigned long time;
1375
1376         ew32(RDT, rx_ring->count - 1);
1377
1378         /* Calculate the loop count based on the largest descriptor ring
1379          * The idea is to wrap the largest ring a number of times using 64
1380          * send/receive pairs during each loop
1381          */
1382
1383         if (rx_ring->count <= tx_ring->count)
1384                 lc = ((tx_ring->count / 64) * 2) + 1;
1385         else
1386                 lc = ((rx_ring->count / 64) * 2) + 1;
1387
1388         k = 0;
1389         l = 0;
1390         for (j = 0; j <= lc; j++) { /* loop count loop */
1391                 for (i = 0; i < 64; i++) { /* send the packets */
1392                         e1000_create_lbtest_frame(
1393                                 tx_ring->buffer_info[i].skb, 1024);
1394                         pci_dma_sync_single_for_device(pdev,
1395                                         tx_ring->buffer_info[k].dma,
1396                                         tx_ring->buffer_info[k].length,
1397                                         PCI_DMA_TODEVICE);
1398                         k++;
1399                         if (k == tx_ring->count)
1400                                 k = 0;
1401                 }
1402                 ew32(TDT, k);
1403                 msleep(200);
1404                 time = jiffies; /* set the start time for the receive */
1405                 good_cnt = 0;
1406                 do { /* receive the sent packets */
1407                         pci_dma_sync_single_for_cpu(pdev,
1408                                         rx_ring->buffer_info[l].dma, 2048,
1409                                         PCI_DMA_FROMDEVICE);
1410
1411                         ret_val = e1000_check_lbtest_frame(
1412                                         rx_ring->buffer_info[l].skb, 1024);
1413                         if (!ret_val)
1414                                 good_cnt++;
1415                         l++;
1416                         if (l == rx_ring->count)
1417                                 l = 0;
1418                         /* time + 20 msecs (200 msecs on 2.4) is more than
1419                          * enough time to complete the receives, if it's
1420                          * exceeded, break and error off
1421                          */
1422                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1423                 if (good_cnt != 64) {
1424                         ret_val = 13; /* ret_val is the same as mis-compare */
1425                         break;
1426                 }
1427                 if (jiffies >= (time + 2)) {
1428                         ret_val = 14; /* error code for time out error */
1429                         break;
1430                 }
1431         } /* end loop count loop */
1432         return ret_val;
1433 }
1434
1435 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1436 {
1437         /* PHY loopback cannot be performed if SoL/IDER
1438          * sessions are active */
1439         if (e1000_check_reset_block(&adapter->hw)) {
1440                 ndev_err(adapter->netdev, "Cannot do PHY loopback test "
1441                          "when SoL/IDER is active.\n");
1442                 *data = 0;
1443                 goto out;
1444         }
1445
1446         *data = e1000_setup_desc_rings(adapter);
1447         if (data)
1448                 goto out;
1449
1450         *data = e1000_setup_loopback_test(adapter);
1451         if (data)
1452                 goto err_loopback;
1453
1454         *data = e1000_run_loopback_test(adapter);
1455         e1000_loopback_cleanup(adapter);
1456
1457 err_loopback:
1458         e1000_free_desc_rings(adapter);
1459 out:
1460         return *data;
1461 }
1462
1463 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1464 {
1465         struct e1000_hw *hw = &adapter->hw;
1466
1467         *data = 0;
1468         if (hw->media_type == e1000_media_type_internal_serdes) {
1469                 int i = 0;
1470                 hw->mac.serdes_has_link = 0;
1471
1472                 /* On some blade server designs, link establishment
1473                  * could take as long as 2-3 minutes */
1474                 do {
1475                         hw->mac.ops.check_for_link(hw);
1476                         if (hw->mac.serdes_has_link)
1477                                 return *data;
1478                         msleep(20);
1479                 } while (i++ < 3750);
1480
1481                 *data = 1;
1482         } else {
1483                 hw->mac.ops.check_for_link(hw);
1484                 if (hw->mac.autoneg)
1485                         msleep(4000);
1486
1487                 if (!(er32(STATUS) &
1488                       E1000_STATUS_LU))
1489                         *data = 1;
1490         }
1491         return *data;
1492 }
1493
1494 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1495 {
1496         switch (sset) {
1497         case ETH_SS_TEST:
1498                 return E1000_TEST_LEN;
1499         case ETH_SS_STATS:
1500                 return E1000_STATS_LEN;
1501         default:
1502                 return -EOPNOTSUPP;
1503         }
1504 }
1505
1506 static void e1000_diag_test(struct net_device *netdev,
1507                             struct ethtool_test *eth_test, u64 *data)
1508 {
1509         struct e1000_adapter *adapter = netdev_priv(netdev);
1510         u16 autoneg_advertised;
1511         u8 forced_speed_duplex;
1512         u8 autoneg;
1513         bool if_running = netif_running(netdev);
1514
1515         set_bit(__E1000_TESTING, &adapter->state);
1516         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1517                 /* Offline tests */
1518
1519                 /* save speed, duplex, autoneg settings */
1520                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1521                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1522                 autoneg = adapter->hw.mac.autoneg;
1523
1524                 ndev_info(netdev, "offline testing starting\n");
1525
1526                 /* Link test performed before hardware reset so autoneg doesn't
1527                  * interfere with test result */
1528                 if (e1000_link_test(adapter, &data[4]))
1529                         eth_test->flags |= ETH_TEST_FL_FAILED;
1530
1531                 if (if_running)
1532                         /* indicate we're in test mode */
1533                         dev_close(netdev);
1534                 else
1535                         e1000e_reset(adapter);
1536
1537                 if (e1000_reg_test(adapter, &data[0]))
1538                         eth_test->flags |= ETH_TEST_FL_FAILED;
1539
1540                 e1000e_reset(adapter);
1541                 if (e1000_eeprom_test(adapter, &data[1]))
1542                         eth_test->flags |= ETH_TEST_FL_FAILED;
1543
1544                 e1000e_reset(adapter);
1545                 if (e1000_intr_test(adapter, &data[2]))
1546                         eth_test->flags |= ETH_TEST_FL_FAILED;
1547
1548                 e1000e_reset(adapter);
1549                 /* make sure the phy is powered up */
1550                 e1000e_power_up_phy(adapter);
1551                 if (e1000_loopback_test(adapter, &data[3]))
1552                         eth_test->flags |= ETH_TEST_FL_FAILED;
1553
1554                 /* restore speed, duplex, autoneg settings */
1555                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1556                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1557                 adapter->hw.mac.autoneg = autoneg;
1558
1559                 /* force this routine to wait until autoneg complete/timeout */
1560                 adapter->hw.phy.wait_for_link = 1;
1561                 e1000e_reset(adapter);
1562                 adapter->hw.phy.wait_for_link = 0;
1563
1564                 clear_bit(__E1000_TESTING, &adapter->state);
1565                 if (if_running)
1566                         dev_open(netdev);
1567         } else {
1568                 ndev_info(netdev, "online testing starting\n");
1569                 /* Online tests */
1570                 if (e1000_link_test(adapter, &data[4]))
1571                         eth_test->flags |= ETH_TEST_FL_FAILED;
1572
1573                 /* Online tests aren't run; pass by default */
1574                 data[0] = 0;
1575                 data[1] = 0;
1576                 data[2] = 0;
1577                 data[3] = 0;
1578
1579                 clear_bit(__E1000_TESTING, &adapter->state);
1580         }
1581         msleep_interruptible(4 * 1000);
1582 }
1583
1584 static void e1000_get_wol(struct net_device *netdev,
1585                           struct ethtool_wolinfo *wol)
1586 {
1587         struct e1000_adapter *adapter = netdev_priv(netdev);
1588
1589         wol->supported = 0;
1590         wol->wolopts = 0;
1591
1592         if (!(adapter->flags & FLAG_HAS_WOL))
1593                 return;
1594
1595         wol->supported = WAKE_UCAST | WAKE_MCAST |
1596                          WAKE_BCAST | WAKE_MAGIC;
1597
1598         /* apply any specific unsupported masks here */
1599         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1600                 wol->supported &= ~WAKE_UCAST;
1601
1602                 if (adapter->wol & E1000_WUFC_EX)
1603                         ndev_err(netdev, "Interface does not support "
1604                                  "directed (unicast) frame wake-up packets\n");
1605         }
1606
1607         if (adapter->wol & E1000_WUFC_EX)
1608                 wol->wolopts |= WAKE_UCAST;
1609         if (adapter->wol & E1000_WUFC_MC)
1610                 wol->wolopts |= WAKE_MCAST;
1611         if (adapter->wol & E1000_WUFC_BC)
1612                 wol->wolopts |= WAKE_BCAST;
1613         if (adapter->wol & E1000_WUFC_MAG)
1614                 wol->wolopts |= WAKE_MAGIC;
1615 }
1616
1617 static int e1000_set_wol(struct net_device *netdev,
1618                          struct ethtool_wolinfo *wol)
1619 {
1620         struct e1000_adapter *adapter = netdev_priv(netdev);
1621
1622         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1623                 return -EOPNOTSUPP;
1624
1625         if (!(adapter->flags & FLAG_HAS_WOL))
1626                 return wol->wolopts ? -EOPNOTSUPP : 0;
1627
1628         /* these settings will always override what we currently have */
1629         adapter->wol = 0;
1630
1631         if (wol->wolopts & WAKE_UCAST)
1632                 adapter->wol |= E1000_WUFC_EX;
1633         if (wol->wolopts & WAKE_MCAST)
1634                 adapter->wol |= E1000_WUFC_MC;
1635         if (wol->wolopts & WAKE_BCAST)
1636                 adapter->wol |= E1000_WUFC_BC;
1637         if (wol->wolopts & WAKE_MAGIC)
1638                 adapter->wol |= E1000_WUFC_MAG;
1639
1640         return 0;
1641 }
1642
1643 /* toggle LED 4 times per second = 2 "blinks" per second */
1644 #define E1000_ID_INTERVAL       (HZ/4)
1645
1646 /* bit defines for adapter->led_status */
1647 #define E1000_LED_ON            0
1648
1649 static void e1000_led_blink_callback(unsigned long data)
1650 {
1651         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1652
1653         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1654                 adapter->hw.mac.ops.led_off(&adapter->hw);
1655         else
1656                 adapter->hw.mac.ops.led_on(&adapter->hw);
1657
1658         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1659 }
1660
1661 static int e1000_phys_id(struct net_device *netdev, u32 data)
1662 {
1663         struct e1000_adapter *adapter = netdev_priv(netdev);
1664
1665         if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
1666                 data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
1667
1668         if (adapter->hw.phy.type == e1000_phy_ife) {
1669                 if (!adapter->blink_timer.function) {
1670                         init_timer(&adapter->blink_timer);
1671                         adapter->blink_timer.function =
1672                                 e1000_led_blink_callback;
1673                         adapter->blink_timer.data = (unsigned long) adapter;
1674                 }
1675                 mod_timer(&adapter->blink_timer, jiffies);
1676                 msleep_interruptible(data * 1000);
1677                 del_timer_sync(&adapter->blink_timer);
1678                 e1e_wphy(&adapter->hw,
1679                                     IFE_PHY_SPECIAL_CONTROL_LED, 0);
1680         } else {
1681                 e1000e_blink_led(&adapter->hw);
1682                 msleep_interruptible(data * 1000);
1683         }
1684
1685         adapter->hw.mac.ops.led_off(&adapter->hw);
1686         clear_bit(E1000_LED_ON, &adapter->led_status);
1687         adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1688
1689         return 0;
1690 }
1691
1692 static int e1000_nway_reset(struct net_device *netdev)
1693 {
1694         struct e1000_adapter *adapter = netdev_priv(netdev);
1695         if (netif_running(netdev))
1696                 e1000e_reinit_locked(adapter);
1697         return 0;
1698 }
1699
1700 static void e1000_get_ethtool_stats(struct net_device *netdev,
1701                                     struct ethtool_stats *stats,
1702                                     u64 *data)
1703 {
1704         struct e1000_adapter *adapter = netdev_priv(netdev);
1705         int i;
1706
1707         e1000e_update_stats(adapter);
1708         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1709                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1710                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1711                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1712         }
1713 }
1714
1715 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1716                               u8 *data)
1717 {
1718         u8 *p = data;
1719         int i;
1720
1721         switch (stringset) {
1722         case ETH_SS_TEST:
1723                 memcpy(data, *e1000_gstrings_test,
1724                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1725                 break;
1726         case ETH_SS_STATS:
1727                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1728                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1729                                ETH_GSTRING_LEN);
1730                         p += ETH_GSTRING_LEN;
1731                 }
1732                 break;
1733         }
1734 }
1735
1736 static const struct ethtool_ops e1000_ethtool_ops = {
1737         .get_settings           = e1000_get_settings,
1738         .set_settings           = e1000_set_settings,
1739         .get_drvinfo            = e1000_get_drvinfo,
1740         .get_regs_len           = e1000_get_regs_len,
1741         .get_regs               = e1000_get_regs,
1742         .get_wol                = e1000_get_wol,
1743         .set_wol                = e1000_set_wol,
1744         .get_msglevel           = e1000_get_msglevel,
1745         .set_msglevel           = e1000_set_msglevel,
1746         .nway_reset             = e1000_nway_reset,
1747         .get_link               = ethtool_op_get_link,
1748         .get_eeprom_len         = e1000_get_eeprom_len,
1749         .get_eeprom             = e1000_get_eeprom,
1750         .set_eeprom             = e1000_set_eeprom,
1751         .get_ringparam          = e1000_get_ringparam,
1752         .set_ringparam          = e1000_set_ringparam,
1753         .get_pauseparam         = e1000_get_pauseparam,
1754         .set_pauseparam         = e1000_set_pauseparam,
1755         .get_rx_csum            = e1000_get_rx_csum,
1756         .set_rx_csum            = e1000_set_rx_csum,
1757         .get_tx_csum            = e1000_get_tx_csum,
1758         .set_tx_csum            = e1000_set_tx_csum,
1759         .get_sg                 = ethtool_op_get_sg,
1760         .set_sg                 = ethtool_op_set_sg,
1761         .get_tso                = ethtool_op_get_tso,
1762         .set_tso                = e1000_set_tso,
1763         .self_test              = e1000_diag_test,
1764         .get_strings            = e1000_get_strings,
1765         .phys_id                = e1000_phys_id,
1766         .get_ethtool_stats      = e1000_get_ethtool_stats,
1767         .get_sset_count         = e1000e_get_sset_count,
1768 };
1769
1770 void e1000e_set_ethtool_ops(struct net_device *netdev)
1771 {
1772         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1773 }