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