git.oblomov.eu Git - linux-2.6/blob - drivers/net/e1000e/ethtool.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2008 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.gorc) },
  50         { "tx_bytes", E1000_STAT(stats.gotc) },
  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.gorc) },
  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  ARRAY_SIZE(e1000_gstrings_stats)
  99 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 100 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 101         "Register test  (offline)", "Eeprom test    (offline)",
 102         "Interrupt test (offline)", "Loopback test  (offline)",
 103         "Link test   (on/offline)"
 104 };
 105 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 106
 107 static int e1000_get_settings(struct net_device *netdev,
 108                               struct ethtool_cmd *ecmd)
 109 {
 110         struct e1000_adapter *adapter = netdev_priv(netdev);
 111         struct e1000_hw *hw = &adapter->hw;
 112         u32 status;
 113
 114         if (hw->phy.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         status = er32(STATUS);
 151         if (status & E1000_STATUS_LU) {
 152                 if (status & E1000_STATUS_SPEED_1000)
 153                         ecmd->speed = 1000;
 154                 else if (status & E1000_STATUS_SPEED_100)
 155                         ecmd->speed = 100;
 156                 else
 157                         ecmd->speed = 10;
 158
 159                 if (status & E1000_STATUS_FD)
 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->phy.media_type == e1000_media_type_fiber) ||
 169                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 170         return 0;
 171 }
 172
 173 static u32 e1000_get_link(struct net_device *netdev)
 174 {
 175         struct e1000_adapter *adapter = netdev_priv(netdev);
 176         struct e1000_hw *hw = &adapter->hw;
 177         u32 status;
 178
 179         status = er32(STATUS);
 180         return (status & E1000_STATUS_LU) ? 1 : 0;
 181 }
 182
 183 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
 184 {
 185         struct e1000_mac_info *mac = &adapter->hw.mac;
 186
 187         mac->autoneg = 0;
 188
 189         /* Fiber NICs only allow 1000 gbps Full duplex */
 190         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 191                 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
 192                 e_err("Unsupported Speed/Duplex configuration\n");
 193                 return -EINVAL;
 194         }
 195
 196         switch (spddplx) {
 197         case SPEED_10 + DUPLEX_HALF:
 198                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 199                 break;
 200         case SPEED_10 + DUPLEX_FULL:
 201                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 202                 break;
 203         case SPEED_100 + DUPLEX_HALF:
 204                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 205                 break;
 206         case SPEED_100 + DUPLEX_FULL:
 207                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 208                 break;
 209         case SPEED_1000 + DUPLEX_FULL:
 210                 mac->autoneg = 1;
 211                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 212                 break;
 213         case SPEED_1000 + DUPLEX_HALF: /* not supported */
 214         default:
 215                 e_err("Unsupported Speed/Duplex configuration\n");
 216                 return -EINVAL;
 217         }
 218         return 0;
 219 }
 220
 221 static int e1000_set_settings(struct net_device *netdev,
 222                               struct ethtool_cmd *ecmd)
 223 {
 224         struct e1000_adapter *adapter = netdev_priv(netdev);
 225         struct e1000_hw *hw = &adapter->hw;
 226
 227         /*
 228          * When SoL/IDER sessions are active, autoneg/speed/duplex
 229          * cannot be changed
 230          */
 231         if (e1000_check_reset_block(hw)) {
 232                 e_err("Cannot change link characteristics when SoL/IDER is "
 233                       "active.\n");
 234                 return -EINVAL;
 235         }
 236
 237         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 238                 msleep(1);
 239
 240         if (ecmd->autoneg == AUTONEG_ENABLE) {
 241                 hw->mac.autoneg = 1;
 242                 if (hw->phy.media_type == e1000_media_type_fiber)
 243                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 244                                                      ADVERTISED_FIBRE |
 245                                                      ADVERTISED_Autoneg;
 246                 else
 247                         hw->phy.autoneg_advertised = ecmd->advertising |
 248                                                      ADVERTISED_TP |
 249                                                      ADVERTISED_Autoneg;
 250                 ecmd->advertising = hw->phy.autoneg_advertised;
 251                 if (adapter->fc_autoneg)
 252                         hw->fc.original_type = e1000_fc_default;
 253         } else {
 254                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
 255                         clear_bit(__E1000_RESETTING, &adapter->state);
 256                         return -EINVAL;
 257                 }
 258         }
 259
 260         /* reset the link */
 261
 262         if (netif_running(adapter->netdev)) {
 263                 e1000e_down(adapter);
 264                 e1000e_up(adapter);
 265         } else {
 266                 e1000e_reset(adapter);
 267         }
 268
 269         clear_bit(__E1000_RESETTING, &adapter->state);
 270         return 0;
 271 }
 272
 273 static void e1000_get_pauseparam(struct net_device *netdev,
 274                                  struct ethtool_pauseparam *pause)
 275 {
 276         struct e1000_adapter *adapter = netdev_priv(netdev);
 277         struct e1000_hw *hw = &adapter->hw;
 278
 279         pause->autoneg =
 280                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 281
 282         if (hw->fc.type == e1000_fc_rx_pause) {
 283                 pause->rx_pause = 1;
 284         } else if (hw->fc.type == e1000_fc_tx_pause) {
 285                 pause->tx_pause = 1;
 286         } else if (hw->fc.type == e1000_fc_full) {
 287                 pause->rx_pause = 1;
 288                 pause->tx_pause = 1;
 289         }
 290 }
 291
 292 static int e1000_set_pauseparam(struct net_device *netdev,
 293                                 struct ethtool_pauseparam *pause)
 294 {
 295         struct e1000_adapter *adapter = netdev_priv(netdev);
 296         struct e1000_hw *hw = &adapter->hw;
 297         int retval = 0;
 298
 299         adapter->fc_autoneg = pause->autoneg;
 300
 301         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 302                 msleep(1);
 303
 304         if (pause->rx_pause && pause->tx_pause)
 305                 hw->fc.type = e1000_fc_full;
 306         else if (pause->rx_pause && !pause->tx_pause)
 307                 hw->fc.type = e1000_fc_rx_pause;
 308         else if (!pause->rx_pause && pause->tx_pause)
 309                 hw->fc.type = e1000_fc_tx_pause;
 310         else if (!pause->rx_pause && !pause->tx_pause)
 311                 hw->fc.type = e1000_fc_none;
 312
 313         hw->fc.original_type = hw->fc.type;
 314
 315         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 316                 hw->fc.type = e1000_fc_default;
 317                 if (netif_running(adapter->netdev)) {
 318                         e1000e_down(adapter);
 319                         e1000e_up(adapter);
 320                 } else {
 321                         e1000e_reset(adapter);
 322                 }
 323         } else {
 324                 retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
 325                           hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
 326         }
 327
 328         clear_bit(__E1000_RESETTING, &adapter->state);
 329         return retval;
 330 }
 331
 332 static u32 e1000_get_rx_csum(struct net_device *netdev)
 333 {
 334         struct e1000_adapter *adapter = netdev_priv(netdev);
 335         return (adapter->flags & FLAG_RX_CSUM_ENABLED);
 336 }
 337
 338 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 339 {
 340         struct e1000_adapter *adapter = netdev_priv(netdev);
 341
 342         if (data)
 343                 adapter->flags |= FLAG_RX_CSUM_ENABLED;
 344         else
 345                 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
 346
 347         if (netif_running(netdev))
 348                 e1000e_reinit_locked(adapter);
 349         else
 350                 e1000e_reset(adapter);
 351         return 0;
 352 }
 353
 354 static u32 e1000_get_tx_csum(struct net_device *netdev)
 355 {
 356         return ((netdev->features & NETIF_F_HW_CSUM) != 0);
 357 }
 358
 359 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 360 {
 361         if (data)
 362                 netdev->features |= NETIF_F_HW_CSUM;
 363         else
 364                 netdev->features &= ~NETIF_F_HW_CSUM;
 365
 366         return 0;
 367 }
 368
 369 static int e1000_set_tso(struct net_device *netdev, u32 data)
 370 {
 371         struct e1000_adapter *adapter = netdev_priv(netdev);
 372
 373         if (data) {
 374                 netdev->features |= NETIF_F_TSO;
 375                 netdev->features |= NETIF_F_TSO6;
 376         } else {
 377                 netdev->features &= ~NETIF_F_TSO;
 378                 netdev->features &= ~NETIF_F_TSO6;
 379         }
 380
 381         e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
 382         adapter->flags |= FLAG_TSO_FORCE;
 383         return 0;
 384 }
 385
 386 static u32 e1000_get_msglevel(struct net_device *netdev)
 387 {
 388         struct e1000_adapter *adapter = netdev_priv(netdev);
 389         return adapter->msg_enable;
 390 }
 391
 392 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 393 {
 394         struct e1000_adapter *adapter = netdev_priv(netdev);
 395         adapter->msg_enable = data;
 396 }
 397
 398 static int e1000_get_regs_len(struct net_device *netdev)
 399 {
 400 #define E1000_REGS_LEN 32 /* overestimate */
 401         return E1000_REGS_LEN * sizeof(u32);
 402 }
 403
 404 static void e1000_get_regs(struct net_device *netdev,
 405                            struct ethtool_regs *regs, void *p)
 406 {
 407         struct e1000_adapter *adapter = netdev_priv(netdev);
 408         struct e1000_hw *hw = &adapter->hw;
 409         u32 *regs_buff = p;
 410         u16 phy_data;
 411         u8 revision_id;
 412
 413         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 414
 415         pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
 416
 417         regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
 418
 419         regs_buff[0]  = er32(CTRL);
 420         regs_buff[1]  = er32(STATUS);
 421
 422         regs_buff[2]  = er32(RCTL);
 423         regs_buff[3]  = er32(RDLEN);
 424         regs_buff[4]  = er32(RDH);
 425         regs_buff[5]  = er32(RDT);
 426         regs_buff[6]  = er32(RDTR);
 427
 428         regs_buff[7]  = er32(TCTL);
 429         regs_buff[8]  = er32(TDLEN);
 430         regs_buff[9]  = er32(TDH);
 431         regs_buff[10] = er32(TDT);
 432         regs_buff[11] = er32(TIDV);
 433
 434         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 435
 436         /* ethtool doesn't use anything past this point, so all this
 437          * code is likely legacy junk for apps that may or may not
 438          * exist */
 439         if (hw->phy.type == e1000_phy_m88) {
 440                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 441                 regs_buff[13] = (u32)phy_data; /* cable length */
 442                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 443                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 444                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 445                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 446                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 447                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 448                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 449                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 450                 /* phy receive errors */
 451                 regs_buff[22] = adapter->phy_stats.receive_errors;
 452                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 453         }
 454         regs_buff[21] = 0; /* was idle_errors */
 455         e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
 456         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 457         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 458 }
 459
 460 static int e1000_get_eeprom_len(struct net_device *netdev)
 461 {
 462         struct e1000_adapter *adapter = netdev_priv(netdev);
 463         return adapter->hw.nvm.word_size * 2;
 464 }
 465
 466 static int e1000_get_eeprom(struct net_device *netdev,
 467                             struct ethtool_eeprom *eeprom, u8 *bytes)
 468 {
 469         struct e1000_adapter *adapter = netdev_priv(netdev);
 470         struct e1000_hw *hw = &adapter->hw;
 471         u16 *eeprom_buff;
 472         int first_word;
 473         int last_word;
 474         int ret_val = 0;
 475         u16 i;
 476
 477         if (eeprom->len == 0)
 478                 return -EINVAL;
 479
 480         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 481
 482         first_word = eeprom->offset >> 1;
 483         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 484
 485         eeprom_buff = kmalloc(sizeof(u16) *
 486                         (last_word - first_word + 1), GFP_KERNEL);
 487         if (!eeprom_buff)
 488                 return -ENOMEM;
 489
 490         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 491                 ret_val = e1000_read_nvm(hw, first_word,
 492                                          last_word - first_word + 1,
 493                                          eeprom_buff);
 494         } else {
 495                 for (i = 0; i < last_word - first_word + 1; i++) {
 496                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 497                                                       &eeprom_buff[i]);
 498                         if (ret_val) {
 499                                 /* a read error occurred, throw away the
 500                                  * result */
 501                                 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
 502                                 break;
 503                         }
 504                 }
 505         }
 506
 507         /* Device's eeprom is always little-endian, word addressable */
 508         for (i = 0; i < last_word - first_word + 1; i++)
 509                 le16_to_cpus(&eeprom_buff[i]);
 510
 511         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 512         kfree(eeprom_buff);
 513
 514         return ret_val;
 515 }
 516
 517 static int e1000_set_eeprom(struct net_device *netdev,
 518                             struct ethtool_eeprom *eeprom, u8 *bytes)
 519 {
 520         struct e1000_adapter *adapter = netdev_priv(netdev);
 521         struct e1000_hw *hw = &adapter->hw;
 522         u16 *eeprom_buff;
 523         void *ptr;
 524         int max_len;
 525         int first_word;
 526         int last_word;
 527         int ret_val = 0;
 528         u16 i;
 529
 530         if (eeprom->len == 0)
 531                 return -EOPNOTSUPP;
 532
 533         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 534                 return -EFAULT;
 535
 536         if (adapter->flags & FLAG_READ_ONLY_NVM)
 537                 return -EINVAL;
 538
 539         max_len = hw->nvm.word_size * 2;
 540
 541         first_word = eeprom->offset >> 1;
 542         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 543         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 544         if (!eeprom_buff)
 545                 return -ENOMEM;
 546
 547         ptr = (void *)eeprom_buff;
 548
 549         if (eeprom->offset & 1) {
 550                 /* need read/modify/write of first changed EEPROM word */
 551                 /* only the second byte of the word is being modified */
 552                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 553                 ptr++;
 554         }
 555         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
 556                 /* need read/modify/write of last changed EEPROM word */
 557                 /* only the first byte of the word is being modified */
 558                 ret_val = e1000_read_nvm(hw, last_word, 1,
 559                                   &eeprom_buff[last_word - first_word]);
 560
 561         /* Device's eeprom is always little-endian, word addressable */
 562         for (i = 0; i < last_word - first_word + 1; i++)
 563                 le16_to_cpus(&eeprom_buff[i]);
 564
 565         memcpy(ptr, bytes, eeprom->len);
 566
 567         for (i = 0; i < last_word - first_word + 1; i++)
 568                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 569
 570         ret_val = e1000_write_nvm(hw, first_word,
 571                                   last_word - first_word + 1, eeprom_buff);
 572
 573         /*
 574          * Update the checksum over the first part of the EEPROM if needed
 575          * and flush shadow RAM for 82573 controllers
 576          */
 577         if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
 578                                (hw->mac.type == e1000_82574) ||
 579                                (hw->mac.type == e1000_82573)))
 580                 e1000e_update_nvm_checksum(hw);
 581
 582         kfree(eeprom_buff);
 583         return ret_val;
 584 }
 585
 586 static void e1000_get_drvinfo(struct net_device *netdev,
 587                               struct ethtool_drvinfo *drvinfo)
 588 {
 589         struct e1000_adapter *adapter = netdev_priv(netdev);
 590         char firmware_version[32];
 591         u16 eeprom_data;
 592
 593         strncpy(drvinfo->driver,  e1000e_driver_name, 32);
 594         strncpy(drvinfo->version, e1000e_driver_version, 32);
 595
 596         /*
 597          * EEPROM image version # is reported as firmware version # for
 598          * PCI-E controllers
 599          */
 600         e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
 601         sprintf(firmware_version, "%d.%d-%d",
 602                 (eeprom_data & 0xF000) >> 12,
 603                 (eeprom_data & 0x0FF0) >> 4,
 604                 eeprom_data & 0x000F);
 605
 606         strncpy(drvinfo->fw_version, firmware_version, 32);
 607         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 608         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 609         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 610 }
 611
 612 static void e1000_get_ringparam(struct net_device *netdev,
 613                                 struct ethtool_ringparam *ring)
 614 {
 615         struct e1000_adapter *adapter = netdev_priv(netdev);
 616         struct e1000_ring *tx_ring = adapter->tx_ring;
 617         struct e1000_ring *rx_ring = adapter->rx_ring;
 618
 619         ring->rx_max_pending = E1000_MAX_RXD;
 620         ring->tx_max_pending = E1000_MAX_TXD;
 621         ring->rx_mini_max_pending = 0;
 622         ring->rx_jumbo_max_pending = 0;
 623         ring->rx_pending = rx_ring->count;
 624         ring->tx_pending = tx_ring->count;
 625         ring->rx_mini_pending = 0;
 626         ring->rx_jumbo_pending = 0;
 627 }
 628
 629 static int e1000_set_ringparam(struct net_device *netdev,
 630                                struct ethtool_ringparam *ring)
 631 {
 632         struct e1000_adapter *adapter = netdev_priv(netdev);
 633         struct e1000_ring *tx_ring, *tx_old;
 634         struct e1000_ring *rx_ring, *rx_old;
 635         int err;
 636
 637         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 638                 return -EINVAL;
 639
 640         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 641                 msleep(1);
 642
 643         if (netif_running(adapter->netdev))
 644                 e1000e_down(adapter);
 645
 646         tx_old = adapter->tx_ring;
 647         rx_old = adapter->rx_ring;
 648
 649         err = -ENOMEM;
 650         tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 651         if (!tx_ring)
 652                 goto err_alloc_tx;
 653         /*
 654          * use a memcpy to save any previously configured
 655          * items like napi structs from having to be
 656          * reinitialized
 657          */
 658         memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
 659
 660         rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 661         if (!rx_ring)
 662                 goto err_alloc_rx;
 663         memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
 664
 665         adapter->tx_ring = tx_ring;
 666         adapter->rx_ring = rx_ring;
 667
 668         rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
 669         rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
 670         rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 671
 672         tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
 673         tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
 674         tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 675
 676         if (netif_running(adapter->netdev)) {
 677                 /* Try to get new resources before deleting old */
 678                 err = e1000e_setup_rx_resources(adapter);
 679                 if (err)
 680                         goto err_setup_rx;
 681                 err = e1000e_setup_tx_resources(adapter);
 682                 if (err)
 683                         goto err_setup_tx;
 684
 685                 /*
 686                  * restore the old in order to free it,
 687                  * then add in the new
 688                  */
 689                 adapter->rx_ring = rx_old;
 690                 adapter->tx_ring = tx_old;
 691                 e1000e_free_rx_resources(adapter);
 692                 e1000e_free_tx_resources(adapter);
 693                 kfree(tx_old);
 694                 kfree(rx_old);
 695                 adapter->rx_ring = rx_ring;
 696                 adapter->tx_ring = tx_ring;
 697                 err = e1000e_up(adapter);
 698                 if (err)
 699                         goto err_setup;
 700         }
 701
 702         clear_bit(__E1000_RESETTING, &adapter->state);
 703         return 0;
 704 err_setup_tx:
 705         e1000e_free_rx_resources(adapter);
 706 err_setup_rx:
 707         adapter->rx_ring = rx_old;
 708         adapter->tx_ring = tx_old;
 709         kfree(rx_ring);
 710 err_alloc_rx:
 711         kfree(tx_ring);
 712 err_alloc_tx:
 713         e1000e_up(adapter);
 714 err_setup:
 715         clear_bit(__E1000_RESETTING, &adapter->state);
 716         return err;
 717 }
 718
 719 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 720                              int reg, int offset, u32 mask, u32 write)
 721 {
 722         u32 pat, val;
 723         static const u32 test[] =
 724                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 725         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 726                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 727                                       (test[pat] & write));
 728                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 729                 if (val != (test[pat] & write & mask)) {
 730                         e_err("pattern test reg %04X failed: got 0x%08X "
 731                               "expected 0x%08X\n", reg + offset, val,
 732                               (test[pat] & write & mask));
 733                         *data = reg;
 734                         return 1;
 735                 }
 736         }
 737         return 0;
 738 }
 739
 740 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 741                               int reg, u32 mask, u32 write)
 742 {
 743         u32 val;
 744         __ew32(&adapter->hw, reg, write & mask);
 745         val = __er32(&adapter->hw, reg);
 746         if ((write & mask) != (val & mask)) {
 747                 e_err("set/check reg %04X test failed: got 0x%08X "
 748                       "expected 0x%08X\n", reg, (val & mask), (write & mask));
 749                 *data = reg;
 750                 return 1;
 751         }
 752         return 0;
 753 }
 754 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 755         do {                                                                   \
 756                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 757                         return 1;                                              \
 758         } while (0)
 759 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 760         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 761
 762 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 763         do {                                                                   \
 764                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 765                         return 1;                                              \
 766         } while (0)
 767
 768 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 769 {
 770         struct e1000_hw *hw = &adapter->hw;
 771         struct e1000_mac_info *mac = &adapter->hw.mac;
 772         u32 value;
 773         u32 before;
 774         u32 after;
 775         u32 i;
 776         u32 toggle;
 777
 778         /*
 779          * The status register is Read Only, so a write should fail.
 780          * Some bits that get toggled are ignored.
 781          */
 782         switch (mac->type) {
 783         /* there are several bits on newer hardware that are r/w */
 784         case e1000_82571:
 785         case e1000_82572:
 786         case e1000_80003es2lan:
 787                 toggle = 0x7FFFF3FF;
 788                 break;
 789         case e1000_82573:
 790         case e1000_82574:
 791         case e1000_ich8lan:
 792         case e1000_ich9lan:
 793         case e1000_ich10lan:
 794                 toggle = 0x7FFFF033;
 795                 break;
 796         default:
 797                 toggle = 0xFFFFF833;
 798                 break;
 799         }
 800
 801         before = er32(STATUS);
 802         value = (er32(STATUS) & toggle);
 803         ew32(STATUS, toggle);
 804         after = er32(STATUS) & toggle;
 805         if (value != after) {
 806                 e_err("failed STATUS register test got: 0x%08X expected: "
 807                       "0x%08X\n", after, value);
 808                 *data = 1;
 809                 return 1;
 810         }
 811         /* restore previous status */
 812         ew32(STATUS, before);
 813
 814         if (!(adapter->flags & FLAG_IS_ICH)) {
 815                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 816                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 817                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 818                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 819         }
 820
 821         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 822         REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 823         REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
 824         REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
 825         REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
 826         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 827         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 828         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 829         REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 830         REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
 831
 832         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 833
 834         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 835         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 836         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 837
 838         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 839         REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 840         if (!(adapter->flags & FLAG_IS_ICH))
 841                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 842         REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 843         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 844         for (i = 0; i < mac->rar_entry_count; i++)
 845                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
 846                                        ((mac->type == e1000_ich10lan) ?
 847                                            0x8007FFFF : 0x8003FFFF),
 848                                        0xFFFFFFFF);
 849
 850         for (i = 0; i < mac->mta_reg_count; i++)
 851                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 852
 853         *data = 0;
 854         return 0;
 855 }
 856
 857 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 858 {
 859         u16 temp;
 860         u16 checksum = 0;
 861         u16 i;
 862
 863         *data = 0;
 864         /* Read and add up the contents of the EEPROM */
 865         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 866                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 867                         *data = 1;
 868                         break;
 869                 }
 870                 checksum += temp;
 871         }
 872
 873         /* If Checksum is not Correct return error else test passed */
 874         if ((checksum != (u16) NVM_SUM) && !(*data))
 875                 *data = 2;
 876
 877         return *data;
 878 }
 879
 880 static irqreturn_t e1000_test_intr(int irq, void *data)
 881 {
 882         struct net_device *netdev = (struct net_device *) data;
 883         struct e1000_adapter *adapter = netdev_priv(netdev);
 884         struct e1000_hw *hw = &adapter->hw;
 885
 886         adapter->test_icr |= er32(ICR);
 887
 888         return IRQ_HANDLED;
 889 }
 890
 891 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 892 {
 893         struct net_device *netdev = adapter->netdev;
 894         struct e1000_hw *hw = &adapter->hw;
 895         u32 mask;
 896         u32 shared_int = 1;
 897         u32 irq = adapter->pdev->irq;
 898         int i;
 899         int ret_val = 0;
 900         int int_mode = E1000E_INT_MODE_LEGACY;
 901
 902         *data = 0;
 903
 904         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 905         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 906                 int_mode = adapter->int_mode;
 907                 e1000e_reset_interrupt_capability(adapter);
 908                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
 909                 e1000e_set_interrupt_capability(adapter);
 910         }
 911         /* Hook up test interrupt handler just for this test */
 912         if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 913                          netdev)) {
 914                 shared_int = 0;
 915         } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
 916                  netdev->name, netdev)) {
 917                 *data = 1;
 918                 ret_val = -1;
 919                 goto out;
 920         }
 921         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
 922
 923         /* Disable all the interrupts */
 924         ew32(IMC, 0xFFFFFFFF);
 925         msleep(10);
 926
 927         /* Test each interrupt */
 928         for (i = 0; i < 10; i++) {
 929                 /* Interrupt to test */
 930                 mask = 1 << i;
 931
 932                 if (adapter->flags & FLAG_IS_ICH) {
 933                         switch (mask) {
 934                         case E1000_ICR_RXSEQ:
 935                                 continue;
 936                         case 0x00000100:
 937                                 if (adapter->hw.mac.type == e1000_ich8lan ||
 938                                     adapter->hw.mac.type == e1000_ich9lan)
 939                                         continue;
 940                                 break;
 941                         default:
 942                                 break;
 943                         }
 944                 }
 945
 946                 if (!shared_int) {
 947                         /*
 948                          * Disable the interrupt to be reported in
 949                          * the cause register and then force the same
 950                          * interrupt and see if one gets posted.  If
 951                          * an interrupt was posted to the bus, the
 952                          * test failed.
 953                          */
 954                         adapter->test_icr = 0;
 955                         ew32(IMC, mask);
 956                         ew32(ICS, mask);
 957                         msleep(10);
 958
 959                         if (adapter->test_icr & mask) {
 960                                 *data = 3;
 961                                 break;
 962                         }
 963                 }
 964
 965                 /*
 966                  * Enable the interrupt to be reported in
 967                  * the cause register and then force the same
 968                  * interrupt and see if one gets posted.  If
 969                  * an interrupt was not posted to the bus, the
 970                  * test failed.
 971                  */
 972                 adapter->test_icr = 0;
 973                 ew32(IMS, mask);
 974                 ew32(ICS, mask);
 975                 msleep(10);
 976
 977                 if (!(adapter->test_icr & mask)) {
 978                         *data = 4;
 979                         break;
 980                 }
 981
 982                 if (!shared_int) {
 983                         /*
 984                          * Disable the other interrupts to be reported in
 985                          * the cause register and then force the other
 986                          * interrupts and see if any get posted.  If
 987                          * an interrupt was posted to the bus, the
 988                          * test failed.
 989                          */
 990                         adapter->test_icr = 0;
 991                         ew32(IMC, ~mask & 0x00007FFF);
 992                         ew32(ICS, ~mask & 0x00007FFF);
 993                         msleep(10);
 994
 995                         if (adapter->test_icr) {
 996                                 *data = 5;
 997                                 break;
 998                         }
 999                 }
1000         }
1001
1002         /* Disable all the interrupts */
1003         ew32(IMC, 0xFFFFFFFF);
1004         msleep(10);
1005
1006         /* Unhook test interrupt handler */
1007         free_irq(irq, netdev);
1008
1009 out:
1010         if (int_mode == E1000E_INT_MODE_MSIX) {
1011                 e1000e_reset_interrupt_capability(adapter);
1012                 adapter->int_mode = int_mode;
1013                 e1000e_set_interrupt_capability(adapter);
1014         }
1015
1016         return ret_val;
1017 }
1018
1019 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1020 {
1021         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1022         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1023         struct pci_dev *pdev = adapter->pdev;
1024         int i;
1025
1026         if (tx_ring->desc && tx_ring->buffer_info) {
1027                 for (i = 0; i < tx_ring->count; i++) {
1028                         if (tx_ring->buffer_info[i].dma)
1029                                 pci_unmap_single(pdev,
1030                                         tx_ring->buffer_info[i].dma,
1031                                         tx_ring->buffer_info[i].length,
1032                                         PCI_DMA_TODEVICE);
1033                         if (tx_ring->buffer_info[i].skb)
1034                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1035                 }
1036         }
1037
1038         if (rx_ring->desc && rx_ring->buffer_info) {
1039                 for (i = 0; i < rx_ring->count; i++) {
1040                         if (rx_ring->buffer_info[i].dma)
1041                                 pci_unmap_single(pdev,
1042                                         rx_ring->buffer_info[i].dma,
1043                                         2048, PCI_DMA_FROMDEVICE);
1044                         if (rx_ring->buffer_info[i].skb)
1045                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1046                 }
1047         }
1048
1049         if (tx_ring->desc) {
1050                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1051                                   tx_ring->dma);
1052                 tx_ring->desc = NULL;
1053         }
1054         if (rx_ring->desc) {
1055                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1056                                   rx_ring->dma);
1057                 rx_ring->desc = NULL;
1058         }
1059
1060         kfree(tx_ring->buffer_info);
1061         tx_ring->buffer_info = NULL;
1062         kfree(rx_ring->buffer_info);
1063         rx_ring->buffer_info = NULL;
1064 }
1065
1066 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1067 {
1068         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1069         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1070         struct pci_dev *pdev = adapter->pdev;
1071         struct e1000_hw *hw = &adapter->hw;
1072         u32 rctl;
1073         int i;
1074         int ret_val;
1075
1076         /* Setup Tx descriptor ring and Tx buffers */
1077
1078         if (!tx_ring->count)
1079                 tx_ring->count = E1000_DEFAULT_TXD;
1080
1081         tx_ring->buffer_info = kcalloc(tx_ring->count,
1082                                        sizeof(struct e1000_buffer),
1083                                        GFP_KERNEL);
1084         if (!(tx_ring->buffer_info)) {
1085                 ret_val = 1;
1086                 goto err_nomem;
1087         }
1088
1089         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1090         tx_ring->size = ALIGN(tx_ring->size, 4096);
1091         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1092                                            &tx_ring->dma, GFP_KERNEL);
1093         if (!tx_ring->desc) {
1094                 ret_val = 2;
1095                 goto err_nomem;
1096         }
1097         tx_ring->next_to_use = 0;
1098         tx_ring->next_to_clean = 0;
1099
1100         ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1101         ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1102         ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1103         ew32(TDH, 0);
1104         ew32(TDT, 0);
1105         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1106              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1107              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1108
1109         for (i = 0; i < tx_ring->count; i++) {
1110                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1111                 struct sk_buff *skb;
1112                 unsigned int skb_size = 1024;
1113
1114                 skb = alloc_skb(skb_size, GFP_KERNEL);
1115                 if (!skb) {
1116                         ret_val = 3;
1117                         goto err_nomem;
1118                 }
1119                 skb_put(skb, skb_size);
1120                 tx_ring->buffer_info[i].skb = skb;
1121                 tx_ring->buffer_info[i].length = skb->len;
1122                 tx_ring->buffer_info[i].dma =
1123                         pci_map_single(pdev, skb->data, skb->len,
1124                                        PCI_DMA_TODEVICE);
1125                 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1126                         ret_val = 4;
1127                         goto err_nomem;
1128                 }
1129                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1130                 tx_desc->lower.data = cpu_to_le32(skb->len);
1131                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1132                                                    E1000_TXD_CMD_IFCS |
1133                                                    E1000_TXD_CMD_RS);
1134                 tx_desc->upper.data = 0;
1135         }
1136
1137         /* Setup Rx descriptor ring and Rx buffers */
1138
1139         if (!rx_ring->count)
1140                 rx_ring->count = E1000_DEFAULT_RXD;
1141
1142         rx_ring->buffer_info = kcalloc(rx_ring->count,
1143                                        sizeof(struct e1000_buffer),
1144                                        GFP_KERNEL);
1145         if (!(rx_ring->buffer_info)) {
1146                 ret_val = 5;
1147                 goto err_nomem;
1148         }
1149
1150         rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1151         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1152                                            &rx_ring->dma, GFP_KERNEL);
1153         if (!rx_ring->desc) {
1154                 ret_val = 6;
1155                 goto err_nomem;
1156         }
1157         rx_ring->next_to_use = 0;
1158         rx_ring->next_to_clean = 0;
1159
1160         rctl = er32(RCTL);
1161         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1162         ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1163         ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1164         ew32(RDLEN, rx_ring->size);
1165         ew32(RDH, 0);
1166         ew32(RDT, 0);
1167         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1168                 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1169                 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1170                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1171                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1172         ew32(RCTL, rctl);
1173
1174         for (i = 0; i < rx_ring->count; i++) {
1175                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1176                 struct sk_buff *skb;
1177
1178                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1179                 if (!skb) {
1180                         ret_val = 7;
1181                         goto err_nomem;
1182                 }
1183                 skb_reserve(skb, NET_IP_ALIGN);
1184                 rx_ring->buffer_info[i].skb = skb;
1185                 rx_ring->buffer_info[i].dma =
1186                         pci_map_single(pdev, skb->data, 2048,
1187                                        PCI_DMA_FROMDEVICE);
1188                 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1189                         ret_val = 8;
1190                         goto err_nomem;
1191                 }
1192                 rx_desc->buffer_addr =
1193                         cpu_to_le64(rx_ring->buffer_info[i].dma);
1194                 memset(skb->data, 0x00, skb->len);
1195         }
1196
1197         return 0;
1198
1199 err_nomem:
1200         e1000_free_desc_rings(adapter);
1201         return ret_val;
1202 }
1203
1204 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1205 {
1206         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1207         e1e_wphy(&adapter->hw, 29, 0x001F);
1208         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1209         e1e_wphy(&adapter->hw, 29, 0x001A);
1210         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1211 }
1212
1213 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1214 {
1215         struct e1000_hw *hw = &adapter->hw;
1216         u32 ctrl_reg = 0;
1217         u32 stat_reg = 0;
1218         u16 phy_reg = 0;
1219
1220         hw->mac.autoneg = 0;
1221
1222         if (hw->phy.type == e1000_phy_m88) {
1223                 /* Auto-MDI/MDIX Off */
1224                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1225                 /* reset to update Auto-MDI/MDIX */
1226                 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1227                 /* autoneg off */
1228                 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1229         } else if (hw->phy.type == e1000_phy_gg82563)
1230                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1231
1232         ctrl_reg = er32(CTRL);
1233
1234         switch (hw->phy.type) {
1235         case e1000_phy_ife:
1236                 /* force 100, set loopback */
1237                 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1238
1239                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1240                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1241                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1242                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1243                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1244                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1245                 break;
1246         case e1000_phy_bm:
1247                 /* Set Default MAC Interface speed to 1GB */
1248                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1249                 phy_reg &= ~0x0007;
1250                 phy_reg |= 0x006;
1251                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1252                 /* Assert SW reset for above settings to take effect */
1253                 e1000e_commit_phy(hw);
1254                 mdelay(1);
1255                 /* Force Full Duplex */
1256                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1257                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1258                 /* Set Link Up (in force link) */
1259                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1260                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1261                 /* Force Link */
1262                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1263                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1264                 /* Set Early Link Enable */
1265                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1266                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1267                 /* fall through */
1268         default:
1269                 /* force 1000, set loopback */
1270                 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1271                 mdelay(250);
1272
1273                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1274                 ctrl_reg = er32(CTRL);
1275                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1276                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1277                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1278                              E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1279                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1280
1281                 if (adapter->flags & FLAG_IS_ICH)
1282                         ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1283         }
1284
1285         if (hw->phy.media_type == e1000_media_type_copper &&
1286             hw->phy.type == e1000_phy_m88) {
1287                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1288         } else {
1289                 /*
1290                  * Set the ILOS bit on the fiber Nic if half duplex link is
1291                  * detected.
1292                  */
1293                 stat_reg = er32(STATUS);
1294                 if ((stat_reg & E1000_STATUS_FD) == 0)
1295                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1296         }
1297
1298         ew32(CTRL, ctrl_reg);
1299
1300         /*
1301          * Disable the receiver on the PHY so when a cable is plugged in, the
1302          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1303          */
1304         if (hw->phy.type == e1000_phy_m88)
1305                 e1000_phy_disable_receiver(adapter);
1306
1307         udelay(500);
1308
1309         return 0;
1310 }
1311
1312 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1313 {
1314         struct e1000_hw *hw = &adapter->hw;
1315         u32 ctrl = er32(CTRL);
1316         int link = 0;
1317
1318         /* special requirements for 82571/82572 fiber adapters */
1319
1320         /*
1321          * jump through hoops to make sure link is up because serdes
1322          * link is hardwired up
1323          */
1324         ctrl |= E1000_CTRL_SLU;
1325         ew32(CTRL, ctrl);
1326
1327         /* disable autoneg */
1328         ctrl = er32(TXCW);
1329         ctrl &= ~(1 << 31);
1330         ew32(TXCW, ctrl);
1331
1332         link = (er32(STATUS) & E1000_STATUS_LU);
1333
1334         if (!link) {
1335                 /* set invert loss of signal */
1336                 ctrl = er32(CTRL);
1337                 ctrl |= E1000_CTRL_ILOS;
1338                 ew32(CTRL, ctrl);
1339         }
1340
1341         /*
1342          * special write to serdes control register to enable SerDes analog
1343          * loopback
1344          */
1345 #define E1000_SERDES_LB_ON 0x410
1346         ew32(SCTL, E1000_SERDES_LB_ON);
1347         msleep(10);
1348
1349         return 0;
1350 }
1351
1352 /* only call this for fiber/serdes connections to es2lan */
1353 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1354 {
1355         struct e1000_hw *hw = &adapter->hw;
1356         u32 ctrlext = er32(CTRL_EXT);
1357         u32 ctrl = er32(CTRL);
1358
1359         /*
1360          * save CTRL_EXT to restore later, reuse an empty variable (unused
1361          * on mac_type 80003es2lan)
1362          */
1363         adapter->tx_fifo_head = ctrlext;
1364
1365         /* clear the serdes mode bits, putting the device into mac loopback */
1366         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1367         ew32(CTRL_EXT, ctrlext);
1368
1369         /* force speed to 1000/FD, link up */
1370         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1371         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1372                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1373         ew32(CTRL, ctrl);
1374
1375         /* set mac loopback */
1376         ctrl = er32(RCTL);
1377         ctrl |= E1000_RCTL_LBM_MAC;
1378         ew32(RCTL, ctrl);
1379
1380         /* set testing mode parameters (no need to reset later) */
1381 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1382 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1383         ew32(KMRNCTRLSTA,
1384              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1385
1386         return 0;
1387 }
1388
1389 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1390 {
1391         struct e1000_hw *hw = &adapter->hw;
1392         u32 rctl;
1393
1394         if (hw->phy.media_type == e1000_media_type_fiber ||
1395             hw->phy.media_type == e1000_media_type_internal_serdes) {
1396                 switch (hw->mac.type) {
1397                 case e1000_80003es2lan:
1398                         return e1000_set_es2lan_mac_loopback(adapter);
1399                         break;
1400                 case e1000_82571:
1401                 case e1000_82572:
1402                         return e1000_set_82571_fiber_loopback(adapter);
1403                         break;
1404                 default:
1405                         rctl = er32(RCTL);
1406                         rctl |= E1000_RCTL_LBM_TCVR;
1407                         ew32(RCTL, rctl);
1408                         return 0;
1409                 }
1410         } else if (hw->phy.media_type == e1000_media_type_copper) {
1411                 return e1000_integrated_phy_loopback(adapter);
1412         }
1413
1414         return 7;
1415 }
1416
1417 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1418 {
1419         struct e1000_hw *hw = &adapter->hw;
1420         u32 rctl;
1421         u16 phy_reg;
1422
1423         rctl = er32(RCTL);
1424         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1425         ew32(RCTL, rctl);
1426
1427         switch (hw->mac.type) {
1428         case e1000_80003es2lan:
1429                 if (hw->phy.media_type == e1000_media_type_fiber ||
1430                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1431                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1432                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1433                         adapter->tx_fifo_head = 0;
1434                 }
1435                 /* fall through */
1436         case e1000_82571:
1437         case e1000_82572:
1438                 if (hw->phy.media_type == e1000_media_type_fiber ||
1439                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1440 #define E1000_SERDES_LB_OFF 0x400
1441                         ew32(SCTL, E1000_SERDES_LB_OFF);
1442                         msleep(10);
1443                         break;
1444                 }
1445                 /* Fall Through */
1446         default:
1447                 hw->mac.autoneg = 1;
1448                 if (hw->phy.type == e1000_phy_gg82563)
1449                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1450                 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1451                 if (phy_reg & MII_CR_LOOPBACK) {
1452                         phy_reg &= ~MII_CR_LOOPBACK;
1453                         e1e_wphy(hw, PHY_CONTROL, phy_reg);
1454                         e1000e_commit_phy(hw);
1455                 }
1456                 break;
1457         }
1458 }
1459
1460 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1461                                       unsigned int frame_size)
1462 {
1463         memset(skb->data, 0xFF, frame_size);
1464         frame_size &= ~1;
1465         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1466         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1467         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1468 }
1469
1470 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1471                                     unsigned int frame_size)
1472 {
1473         frame_size &= ~1;
1474         if (*(skb->data + 3) == 0xFF)
1475                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1476                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1477                         return 0;
1478         return 13;
1479 }
1480
1481 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1482 {
1483         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1484         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1485         struct pci_dev *pdev = adapter->pdev;
1486         struct e1000_hw *hw = &adapter->hw;
1487         int i, j, k, l;
1488         int lc;
1489         int good_cnt;
1490         int ret_val = 0;
1491         unsigned long time;
1492
1493         ew32(RDT, rx_ring->count - 1);
1494
1495         /*
1496          * Calculate the loop count based on the largest descriptor ring
1497          * The idea is to wrap the largest ring a number of times using 64
1498          * send/receive pairs during each loop
1499          */
1500
1501         if (rx_ring->count <= tx_ring->count)
1502                 lc = ((tx_ring->count / 64) * 2) + 1;
1503         else
1504                 lc = ((rx_ring->count / 64) * 2) + 1;
1505
1506         k = 0;
1507         l = 0;
1508         for (j = 0; j <= lc; j++) { /* loop count loop */
1509                 for (i = 0; i < 64; i++) { /* send the packets */
1510                         e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1511                                                   1024);
1512                         pci_dma_sync_single_for_device(pdev,
1513                                         tx_ring->buffer_info[k].dma,
1514                                         tx_ring->buffer_info[k].length,
1515                                         PCI_DMA_TODEVICE);
1516                         k++;
1517                         if (k == tx_ring->count)
1518                                 k = 0;
1519                 }
1520                 ew32(TDT, k);
1521                 msleep(200);
1522                 time = jiffies; /* set the start time for the receive */
1523                 good_cnt = 0;
1524                 do { /* receive the sent packets */
1525                         pci_dma_sync_single_for_cpu(pdev,
1526                                         rx_ring->buffer_info[l].dma, 2048,
1527                                         PCI_DMA_FROMDEVICE);
1528
1529                         ret_val = e1000_check_lbtest_frame(
1530                                         rx_ring->buffer_info[l].skb, 1024);
1531                         if (!ret_val)
1532                                 good_cnt++;
1533                         l++;
1534                         if (l == rx_ring->count)
1535                                 l = 0;
1536                         /*
1537                          * time + 20 msecs (200 msecs on 2.4) is more than
1538                          * enough time to complete the receives, if it's
1539                          * exceeded, break and error off
1540                          */
1541                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1542                 if (good_cnt != 64) {
1543                         ret_val = 13; /* ret_val is the same as mis-compare */
1544                         break;
1545                 }
1546                 if (jiffies >= (time + 20)) {
1547                         ret_val = 14; /* error code for time out error */
1548                         break;
1549                 }
1550         } /* end loop count loop */
1551         return ret_val;
1552 }
1553
1554 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1555 {
1556         /*
1557          * PHY loopback cannot be performed if SoL/IDER
1558          * sessions are active
1559          */
1560         if (e1000_check_reset_block(&adapter->hw)) {
1561                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1562                 *data = 0;
1563                 goto out;
1564         }
1565
1566         *data = e1000_setup_desc_rings(adapter);
1567         if (*data)
1568                 goto out;
1569
1570         *data = e1000_setup_loopback_test(adapter);
1571         if (*data)
1572                 goto err_loopback;
1573
1574         *data = e1000_run_loopback_test(adapter);
1575         e1000_loopback_cleanup(adapter);
1576
1577 err_loopback:
1578         e1000_free_desc_rings(adapter);
1579 out:
1580         return *data;
1581 }
1582
1583 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1584 {
1585         struct e1000_hw *hw = &adapter->hw;
1586
1587         *data = 0;
1588         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1589                 int i = 0;
1590                 hw->mac.serdes_has_link = 0;
1591
1592                 /*
1593                  * On some blade server designs, link establishment
1594                  * could take as long as 2-3 minutes
1595                  */
1596                 do {
1597                         hw->mac.ops.check_for_link(hw);
1598                         if (hw->mac.serdes_has_link)
1599                                 return *data;
1600                         msleep(20);
1601                 } while (i++ < 3750);
1602
1603                 *data = 1;
1604         } else {
1605                 hw->mac.ops.check_for_link(hw);
1606                 if (hw->mac.autoneg)
1607                         msleep(4000);
1608
1609                 if (!(er32(STATUS) &
1610                       E1000_STATUS_LU))
1611                         *data = 1;
1612         }
1613         return *data;
1614 }
1615
1616 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1617 {
1618         switch (sset) {
1619         case ETH_SS_TEST:
1620                 return E1000_TEST_LEN;
1621         case ETH_SS_STATS:
1622                 return E1000_STATS_LEN;
1623         default:
1624                 return -EOPNOTSUPP;
1625         }
1626 }
1627
1628 static void e1000_diag_test(struct net_device *netdev,
1629                             struct ethtool_test *eth_test, u64 *data)
1630 {
1631         struct e1000_adapter *adapter = netdev_priv(netdev);
1632         u16 autoneg_advertised;
1633         u8 forced_speed_duplex;
1634         u8 autoneg;
1635         bool if_running = netif_running(netdev);
1636
1637         set_bit(__E1000_TESTING, &adapter->state);
1638         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1639                 /* Offline tests */
1640
1641                 /* save speed, duplex, autoneg settings */
1642                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1643                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1644                 autoneg = adapter->hw.mac.autoneg;
1645
1646                 e_info("offline testing starting\n");
1647
1648                 /*
1649                  * Link test performed before hardware reset so autoneg doesn't
1650                  * interfere with test result
1651                  */
1652                 if (e1000_link_test(adapter, &data[4]))
1653                         eth_test->flags |= ETH_TEST_FL_FAILED;
1654
1655                 if (if_running)
1656                         /* indicate we're in test mode */
1657                         dev_close(netdev);
1658                 else
1659                         e1000e_reset(adapter);
1660
1661                 if (e1000_reg_test(adapter, &data[0]))
1662                         eth_test->flags |= ETH_TEST_FL_FAILED;
1663
1664                 e1000e_reset(adapter);
1665                 if (e1000_eeprom_test(adapter, &data[1]))
1666                         eth_test->flags |= ETH_TEST_FL_FAILED;
1667
1668                 e1000e_reset(adapter);
1669                 if (e1000_intr_test(adapter, &data[2]))
1670                         eth_test->flags |= ETH_TEST_FL_FAILED;
1671
1672                 e1000e_reset(adapter);
1673                 /* make sure the phy is powered up */
1674                 e1000e_power_up_phy(adapter);
1675                 if (e1000_loopback_test(adapter, &data[3]))
1676                         eth_test->flags |= ETH_TEST_FL_FAILED;
1677
1678                 /* restore speed, duplex, autoneg settings */
1679                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1680                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1681                 adapter->hw.mac.autoneg = autoneg;
1682
1683                 /* force this routine to wait until autoneg complete/timeout */
1684                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1685                 e1000e_reset(adapter);
1686                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1687
1688                 clear_bit(__E1000_TESTING, &adapter->state);
1689                 if (if_running)
1690                         dev_open(netdev);
1691         } else {
1692                 e_info("online testing starting\n");
1693                 /* Online tests */
1694                 if (e1000_link_test(adapter, &data[4]))
1695                         eth_test->flags |= ETH_TEST_FL_FAILED;
1696
1697                 /* Online tests aren't run; pass by default */
1698                 data[0] = 0;
1699                 data[1] = 0;
1700                 data[2] = 0;
1701                 data[3] = 0;
1702
1703                 clear_bit(__E1000_TESTING, &adapter->state);
1704         }
1705         msleep_interruptible(4 * 1000);
1706 }
1707
1708 static void e1000_get_wol(struct net_device *netdev,
1709                           struct ethtool_wolinfo *wol)
1710 {
1711         struct e1000_adapter *adapter = netdev_priv(netdev);
1712
1713         wol->supported = 0;
1714         wol->wolopts = 0;
1715
1716         if (!(adapter->flags & FLAG_HAS_WOL))
1717                 return;
1718
1719         wol->supported = WAKE_UCAST | WAKE_MCAST |
1720                          WAKE_BCAST | WAKE_MAGIC |
1721                          WAKE_PHY | WAKE_ARP;
1722
1723         /* apply any specific unsupported masks here */
1724         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1725                 wol->supported &= ~WAKE_UCAST;
1726
1727                 if (adapter->wol & E1000_WUFC_EX)
1728                         e_err("Interface does not support directed (unicast) "
1729                               "frame wake-up packets\n");
1730         }
1731
1732         if (adapter->wol & E1000_WUFC_EX)
1733                 wol->wolopts |= WAKE_UCAST;
1734         if (adapter->wol & E1000_WUFC_MC)
1735                 wol->wolopts |= WAKE_MCAST;
1736         if (adapter->wol & E1000_WUFC_BC)
1737                 wol->wolopts |= WAKE_BCAST;
1738         if (adapter->wol & E1000_WUFC_MAG)
1739                 wol->wolopts |= WAKE_MAGIC;
1740         if (adapter->wol & E1000_WUFC_LNKC)
1741                 wol->wolopts |= WAKE_PHY;
1742         if (adapter->wol & E1000_WUFC_ARP)
1743                 wol->wolopts |= WAKE_ARP;
1744 }
1745
1746 static int e1000_set_wol(struct net_device *netdev,
1747                          struct ethtool_wolinfo *wol)
1748 {
1749         struct e1000_adapter *adapter = netdev_priv(netdev);
1750
1751         if (wol->wolopts & WAKE_MAGICSECURE)
1752                 return -EOPNOTSUPP;
1753
1754         if (!(adapter->flags & FLAG_HAS_WOL))
1755                 return wol->wolopts ? -EOPNOTSUPP : 0;
1756
1757         /* these settings will always override what we currently have */
1758         adapter->wol = 0;
1759
1760         if (wol->wolopts & WAKE_UCAST)
1761                 adapter->wol |= E1000_WUFC_EX;
1762         if (wol->wolopts & WAKE_MCAST)
1763                 adapter->wol |= E1000_WUFC_MC;
1764         if (wol->wolopts & WAKE_BCAST)
1765                 adapter->wol |= E1000_WUFC_BC;
1766         if (wol->wolopts & WAKE_MAGIC)
1767                 adapter->wol |= E1000_WUFC_MAG;
1768         if (wol->wolopts & WAKE_PHY)
1769                 adapter->wol |= E1000_WUFC_LNKC;
1770         if (wol->wolopts & WAKE_ARP)
1771                 adapter->wol |= E1000_WUFC_ARP;
1772
1773         return 0;
1774 }
1775
1776 /* toggle LED 4 times per second = 2 "blinks" per second */
1777 #define E1000_ID_INTERVAL       (HZ/4)
1778
1779 /* bit defines for adapter->led_status */
1780 #define E1000_LED_ON            0
1781
1782 static void e1000_led_blink_callback(unsigned long data)
1783 {
1784         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1785
1786         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1787                 adapter->hw.mac.ops.led_off(&adapter->hw);
1788         else
1789                 adapter->hw.mac.ops.led_on(&adapter->hw);
1790
1791         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1792 }
1793
1794 static int e1000_phys_id(struct net_device *netdev, u32 data)
1795 {
1796         struct e1000_adapter *adapter = netdev_priv(netdev);
1797         struct e1000_hw *hw = &adapter->hw;
1798
1799         if (!data)
1800                 data = INT_MAX;
1801
1802         if ((hw->phy.type == e1000_phy_ife) ||
1803             (hw->mac.type == e1000_82574)) {
1804                 if (!adapter->blink_timer.function) {
1805                         init_timer(&adapter->blink_timer);
1806                         adapter->blink_timer.function =
1807                                 e1000_led_blink_callback;
1808                         adapter->blink_timer.data = (unsigned long) adapter;
1809                 }
1810                 mod_timer(&adapter->blink_timer, jiffies);
1811                 msleep_interruptible(data * 1000);
1812                 del_timer_sync(&adapter->blink_timer);
1813                 if (hw->phy.type == e1000_phy_ife)
1814                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1815         } else {
1816                 e1000e_blink_led(hw);
1817                 msleep_interruptible(data * 1000);
1818         }
1819
1820         hw->mac.ops.led_off(hw);
1821         clear_bit(E1000_LED_ON, &adapter->led_status);
1822         hw->mac.ops.cleanup_led(hw);
1823
1824         return 0;
1825 }
1826
1827 static int e1000_get_coalesce(struct net_device *netdev,
1828                               struct ethtool_coalesce *ec)
1829 {
1830         struct e1000_adapter *adapter = netdev_priv(netdev);
1831
1832         if (adapter->itr_setting <= 3)
1833                 ec->rx_coalesce_usecs = adapter->itr_setting;
1834         else
1835                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1836
1837         return 0;
1838 }
1839
1840 static int e1000_set_coalesce(struct net_device *netdev,
1841                               struct ethtool_coalesce *ec)
1842 {
1843         struct e1000_adapter *adapter = netdev_priv(netdev);
1844         struct e1000_hw *hw = &adapter->hw;
1845
1846         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1847             ((ec->rx_coalesce_usecs > 3) &&
1848              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1849             (ec->rx_coalesce_usecs == 2))
1850                 return -EINVAL;
1851
1852         if (ec->rx_coalesce_usecs <= 3) {
1853                 adapter->itr = 20000;
1854                 adapter->itr_setting = ec->rx_coalesce_usecs;
1855         } else {
1856                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1857                 adapter->itr_setting = adapter->itr & ~3;
1858         }
1859
1860         if (adapter->itr_setting != 0)
1861                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1862         else
1863                 ew32(ITR, 0);
1864
1865         return 0;
1866 }
1867
1868 static int e1000_nway_reset(struct net_device *netdev)
1869 {
1870         struct e1000_adapter *adapter = netdev_priv(netdev);
1871         if (netif_running(netdev))
1872                 e1000e_reinit_locked(adapter);
1873         return 0;
1874 }
1875
1876 static void e1000_get_ethtool_stats(struct net_device *netdev,
1877                                     struct ethtool_stats *stats,
1878                                     u64 *data)
1879 {
1880         struct e1000_adapter *adapter = netdev_priv(netdev);
1881         int i;
1882
1883         e1000e_update_stats(adapter);
1884         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1885                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1886                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1887                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1888         }
1889 }
1890
1891 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1892                               u8 *data)
1893 {
1894         u8 *p = data;
1895         int i;
1896
1897         switch (stringset) {
1898         case ETH_SS_TEST:
1899                 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1900                 break;
1901         case ETH_SS_STATS:
1902                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1903                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1904                                ETH_GSTRING_LEN);
1905                         p += ETH_GSTRING_LEN;
1906                 }
1907                 break;
1908         }
1909 }
1910
1911 static const struct ethtool_ops e1000_ethtool_ops = {
1912         .get_settings           = e1000_get_settings,
1913         .set_settings           = e1000_set_settings,
1914         .get_drvinfo            = e1000_get_drvinfo,
1915         .get_regs_len           = e1000_get_regs_len,
1916         .get_regs               = e1000_get_regs,
1917         .get_wol                = e1000_get_wol,
1918         .set_wol                = e1000_set_wol,
1919         .get_msglevel           = e1000_get_msglevel,
1920         .set_msglevel           = e1000_set_msglevel,
1921         .nway_reset             = e1000_nway_reset,
1922         .get_link               = e1000_get_link,
1923         .get_eeprom_len         = e1000_get_eeprom_len,
1924         .get_eeprom             = e1000_get_eeprom,
1925         .set_eeprom             = e1000_set_eeprom,
1926         .get_ringparam          = e1000_get_ringparam,
1927         .set_ringparam          = e1000_set_ringparam,
1928         .get_pauseparam         = e1000_get_pauseparam,
1929         .set_pauseparam         = e1000_set_pauseparam,
1930         .get_rx_csum            = e1000_get_rx_csum,
1931         .set_rx_csum            = e1000_set_rx_csum,
1932         .get_tx_csum            = e1000_get_tx_csum,
1933         .set_tx_csum            = e1000_set_tx_csum,
1934         .get_sg                 = ethtool_op_get_sg,
1935         .set_sg                 = ethtool_op_set_sg,
1936         .get_tso                = ethtool_op_get_tso,
1937         .set_tso                = e1000_set_tso,
1938         .self_test              = e1000_diag_test,
1939         .get_strings            = e1000_get_strings,
1940         .phys_id                = e1000_phys_id,
1941         .get_ethtool_stats      = e1000_get_ethtool_stats,
1942         .get_sset_count         = e1000e_get_sset_count,
1943         .get_coalesce           = e1000_get_coalesce,
1944         .set_coalesce           = e1000_set_coalesce,
1945 };
1946
1947 void e1000e_set_ethtool_ops(struct net_device *netdev)
1948 {
1949         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1950 }