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