drivers/net/ethernet/intel/e1000e/ethtool.c

   1 /* Intel PRO/1000 Linux driver
   2  * Copyright(c) 1999 - 2014 Intel Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  *
  16  * Contact Information:
  17  * Linux NICS <[email protected]>
  18  * e1000-devel Mailing List <[email protected]>
  19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  20  */
  21
  22 /* ethtool support for e1000 */
  23
  24 #include <linux/netdevice.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/ethtool.h>
  27 #include <linux/pci.h>
  28 #include <linux/slab.h>
  29 #include <linux/delay.h>
  30 #include <linux/vmalloc.h>
  31 #include <linux/pm_runtime.h>
  32
  33 #include "e1000.h"
  34
  35 enum { NETDEV_STATS, E1000_STATS };
  36
  37 struct e1000_stats {
  38         char stat_string[ETH_GSTRING_LEN];
  39         int type;
  40         int sizeof_stat;
  41         int stat_offset;
  42 };
  43
  44 #define E1000_STAT(str, m) { \
  45                 .stat_string = str, \
  46                 .type = E1000_STATS, \
  47                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  48                 .stat_offset = offsetof(struct e1000_adapter, m) }
  49 #define E1000_NETDEV_STAT(str, m) { \
  50                 .stat_string = str, \
  51                 .type = NETDEV_STATS, \
  52                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  53                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  54
  55 static const struct e1000_stats e1000_gstrings_stats[] = {
  56         E1000_STAT("rx_packets", stats.gprc),
  57         E1000_STAT("tx_packets", stats.gptc),
  58         E1000_STAT("rx_bytes", stats.gorc),
  59         E1000_STAT("tx_bytes", stats.gotc),
  60         E1000_STAT("rx_broadcast", stats.bprc),
  61         E1000_STAT("tx_broadcast", stats.bptc),
  62         E1000_STAT("rx_multicast", stats.mprc),
  63         E1000_STAT("tx_multicast", stats.mptc),
  64         E1000_NETDEV_STAT("rx_errors", rx_errors),
  65         E1000_NETDEV_STAT("tx_errors", tx_errors),
  66         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  67         E1000_STAT("multicast", stats.mprc),
  68         E1000_STAT("collisions", stats.colc),
  69         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  70         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  71         E1000_STAT("rx_crc_errors", stats.crcerrs),
  72         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  73         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  74         E1000_STAT("rx_missed_errors", stats.mpc),
  75         E1000_STAT("tx_aborted_errors", stats.ecol),
  76         E1000_STAT("tx_carrier_errors", stats.tncrs),
  77         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  78         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  79         E1000_STAT("tx_window_errors", stats.latecol),
  80         E1000_STAT("tx_abort_late_coll", stats.latecol),
  81         E1000_STAT("tx_deferred_ok", stats.dc),
  82         E1000_STAT("tx_single_coll_ok", stats.scc),
  83         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  84         E1000_STAT("tx_timeout_count", tx_timeout_count),
  85         E1000_STAT("tx_restart_queue", restart_queue),
  86         E1000_STAT("rx_long_length_errors", stats.roc),
  87         E1000_STAT("rx_short_length_errors", stats.ruc),
  88         E1000_STAT("rx_align_errors", stats.algnerrc),
  89         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  90         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  91         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  92         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  93         E1000_STAT("tx_flow_control_xon", stats.xontxc),
  94         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
  95         E1000_STAT("rx_csum_offload_good", hw_csum_good),
  96         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
  97         E1000_STAT("rx_header_split", rx_hdr_split),
  98         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
  99         E1000_STAT("tx_smbus", stats.mgptc),
 100         E1000_STAT("rx_smbus", stats.mgprc),
 101         E1000_STAT("dropped_smbus", stats.mgpdc),
 102         E1000_STAT("rx_dma_failed", rx_dma_failed),
 103         E1000_STAT("tx_dma_failed", tx_dma_failed),
 104         E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 105         E1000_STAT("uncorr_ecc_errors", uncorr_errors),
 106         E1000_STAT("corr_ecc_errors", corr_errors),
 107         E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
 108 };
 109
 110 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 111 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 112 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 113         "Register test  (offline)", "Eeprom test    (offline)",
 114         "Interrupt test (offline)", "Loopback test  (offline)",
 115         "Link test   (on/offline)"
 116 };
 117
 118 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 119
 120 static int e1000_get_settings(struct net_device *netdev,
 121                               struct ethtool_cmd *ecmd)
 122 {
 123         struct e1000_adapter *adapter = netdev_priv(netdev);
 124         struct e1000_hw *hw = &adapter->hw;
 125         u32 speed;
 126
 127         if (hw->phy.media_type == e1000_media_type_copper) {
 128                 ecmd->supported = (SUPPORTED_10baseT_Half |
 129                                    SUPPORTED_10baseT_Full |
 130                                    SUPPORTED_100baseT_Half |
 131                                    SUPPORTED_100baseT_Full |
 132                                    SUPPORTED_1000baseT_Full |
 133                                    SUPPORTED_Autoneg |
 134                                    SUPPORTED_TP);
 135                 if (hw->phy.type == e1000_phy_ife)
 136                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 137                 ecmd->advertising = ADVERTISED_TP;
 138
 139                 if (hw->mac.autoneg == 1) {
 140                         ecmd->advertising |= ADVERTISED_Autoneg;
 141                         /* the e1000 autoneg seems to match ethtool nicely */
 142                         ecmd->advertising |= hw->phy.autoneg_advertised;
 143                 }
 144
 145                 ecmd->port = PORT_TP;
 146                 ecmd->phy_address = hw->phy.addr;
 147                 ecmd->transceiver = XCVR_INTERNAL;
 148
 149         } else {
 150                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 151                                      SUPPORTED_FIBRE |
 152                                      SUPPORTED_Autoneg);
 153
 154                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 155                                      ADVERTISED_FIBRE |
 156                                      ADVERTISED_Autoneg);
 157
 158                 ecmd->port = PORT_FIBRE;
 159                 ecmd->transceiver = XCVR_EXTERNAL;
 160         }
 161
 162         speed = -1;
 163         ecmd->duplex = -1;
 164
 165         if (netif_running(netdev)) {
 166                 if (netif_carrier_ok(netdev)) {
 167                         speed = adapter->link_speed;
 168                         ecmd->duplex = adapter->link_duplex - 1;
 169                 }
 170         } else if (!pm_runtime_suspended(netdev->dev.parent)) {
 171                 u32 status = er32(STATUS);
 172                 if (status & E1000_STATUS_LU) {
 173                         if (status & E1000_STATUS_SPEED_1000)
 174                                 speed = SPEED_1000;
 175                         else if (status & E1000_STATUS_SPEED_100)
 176                                 speed = SPEED_100;
 177                         else
 178                                 speed = SPEED_10;
 179
 180                         if (status & E1000_STATUS_FD)
 181                                 ecmd->duplex = DUPLEX_FULL;
 182                         else
 183                                 ecmd->duplex = DUPLEX_HALF;
 184                 }
 185         }
 186
 187         ethtool_cmd_speed_set(ecmd, speed);
 188         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 189                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 190
 191         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 192         if ((hw->phy.media_type == e1000_media_type_copper) &&
 193             netif_carrier_ok(netdev))
 194                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI;
 195         else
 196                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 197
 198         if (hw->phy.mdix == AUTO_ALL_MODES)
 199                 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 200         else
 201                 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
 202
 203         return 0;
 204 }
 205
 206 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 207 {
 208         struct e1000_mac_info *mac = &adapter->hw.mac;
 209
 210         mac->autoneg = 0;
 211
 212         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 213          * for the switch() below to work
 214          */
 215         if ((spd & 1) || (dplx & ~1))
 216                 goto err_inval;
 217
 218         /* Fiber NICs only allow 1000 gbps Full duplex */
 219         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 220             (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
 221                 goto err_inval;
 222         }
 223
 224         switch (spd + dplx) {
 225         case SPEED_10 + DUPLEX_HALF:
 226                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 227                 break;
 228         case SPEED_10 + DUPLEX_FULL:
 229                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 230                 break;
 231         case SPEED_100 + DUPLEX_HALF:
 232                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 233                 break;
 234         case SPEED_100 + DUPLEX_FULL:
 235                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 236                 break;
 237         case SPEED_1000 + DUPLEX_FULL:
 238                 mac->autoneg = 1;
 239                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 240                 break;
 241         case SPEED_1000 + DUPLEX_HALF:  /* not supported */
 242         default:
 243                 goto err_inval;
 244         }
 245
 246         /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 247         adapter->hw.phy.mdix = AUTO_ALL_MODES;
 248
 249         return 0;
 250
 251 err_inval:
 252         e_err("Unsupported Speed/Duplex configuration\n");
 253         return -EINVAL;
 254 }
 255
 256 static int e1000_set_settings(struct net_device *netdev,
 257                               struct ethtool_cmd *ecmd)
 258 {
 259         struct e1000_adapter *adapter = netdev_priv(netdev);
 260         struct e1000_hw *hw = &adapter->hw;
 261         int ret_val = 0;
 262
 263         pm_runtime_get_sync(netdev->dev.parent);
 264
 265         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 266          * cannot be changed
 267          */
 268         if (hw->phy.ops.check_reset_block &&
 269             hw->phy.ops.check_reset_block(hw)) {
 270                 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 271                 ret_val = -EINVAL;
 272                 goto out;
 273         }
 274
 275         /* MDI setting is only allowed when autoneg enabled because
 276          * some hardware doesn't allow MDI setting when speed or
 277          * duplex is forced.
 278          */
 279         if (ecmd->eth_tp_mdix_ctrl) {
 280                 if (hw->phy.media_type != e1000_media_type_copper) {
 281                         ret_val = -EOPNOTSUPP;
 282                         goto out;
 283                 }
 284
 285                 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 286                     (ecmd->autoneg != AUTONEG_ENABLE)) {
 287                         e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 288                         ret_val = -EINVAL;
 289                         goto out;
 290                 }
 291         }
 292
 293         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 294                 usleep_range(1000, 2000);
 295
 296         if (ecmd->autoneg == AUTONEG_ENABLE) {
 297                 hw->mac.autoneg = 1;
 298                 if (hw->phy.media_type == e1000_media_type_fiber)
 299                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 300                             ADVERTISED_FIBRE | ADVERTISED_Autoneg;
 301                 else
 302                         hw->phy.autoneg_advertised = ecmd->advertising |
 303                             ADVERTISED_TP | ADVERTISED_Autoneg;
 304                 ecmd->advertising = hw->phy.autoneg_advertised;
 305                 if (adapter->fc_autoneg)
 306                         hw->fc.requested_mode = e1000_fc_default;
 307         } else {
 308                 u32 speed = ethtool_cmd_speed(ecmd);
 309                 /* calling this overrides forced MDI setting */
 310                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 311                         ret_val = -EINVAL;
 312                         goto out;
 313                 }
 314         }
 315
 316         /* MDI-X => 2; MDI => 1; Auto => 3 */
 317         if (ecmd->eth_tp_mdix_ctrl) {
 318                 /* fix up the value for auto (3 => 0) as zero is mapped
 319                  * internally to auto
 320                  */
 321                 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 322                         hw->phy.mdix = AUTO_ALL_MODES;
 323                 else
 324                         hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
 325         }
 326
 327         /* reset the link */
 328         if (netif_running(adapter->netdev)) {
 329                 e1000e_down(adapter, true);
 330                 e1000e_up(adapter);
 331         } else {
 332                 e1000e_reset(adapter);
 333         }
 334
 335 out:
 336         pm_runtime_put_sync(netdev->dev.parent);
 337         clear_bit(__E1000_RESETTING, &adapter->state);
 338         return ret_val;
 339 }
 340
 341 static void e1000_get_pauseparam(struct net_device *netdev,
 342                                  struct ethtool_pauseparam *pause)
 343 {
 344         struct e1000_adapter *adapter = netdev_priv(netdev);
 345         struct e1000_hw *hw = &adapter->hw;
 346
 347         pause->autoneg =
 348             (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 349
 350         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 351                 pause->rx_pause = 1;
 352         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 353                 pause->tx_pause = 1;
 354         } else if (hw->fc.current_mode == e1000_fc_full) {
 355                 pause->rx_pause = 1;
 356                 pause->tx_pause = 1;
 357         }
 358 }
 359
 360 static int e1000_set_pauseparam(struct net_device *netdev,
 361                                 struct ethtool_pauseparam *pause)
 362 {
 363         struct e1000_adapter *adapter = netdev_priv(netdev);
 364         struct e1000_hw *hw = &adapter->hw;
 365         int retval = 0;
 366
 367         adapter->fc_autoneg = pause->autoneg;
 368
 369         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 370                 usleep_range(1000, 2000);
 371
 372         pm_runtime_get_sync(netdev->dev.parent);
 373
 374         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 375                 hw->fc.requested_mode = e1000_fc_default;
 376                 if (netif_running(adapter->netdev)) {
 377                         e1000e_down(adapter, true);
 378                         e1000e_up(adapter);
 379                 } else {
 380                         e1000e_reset(adapter);
 381                 }
 382         } else {
 383                 if (pause->rx_pause && pause->tx_pause)
 384                         hw->fc.requested_mode = e1000_fc_full;
 385                 else if (pause->rx_pause && !pause->tx_pause)
 386                         hw->fc.requested_mode = e1000_fc_rx_pause;
 387                 else if (!pause->rx_pause && pause->tx_pause)
 388                         hw->fc.requested_mode = e1000_fc_tx_pause;
 389                 else if (!pause->rx_pause && !pause->tx_pause)
 390                         hw->fc.requested_mode = e1000_fc_none;
 391
 392                 hw->fc.current_mode = hw->fc.requested_mode;
 393
 394                 if (hw->phy.media_type == e1000_media_type_fiber) {
 395                         retval = hw->mac.ops.setup_link(hw);
 396                         /* implicit goto out */
 397                 } else {
 398                         retval = e1000e_force_mac_fc(hw);
 399                         if (retval)
 400                                 goto out;
 401                         e1000e_set_fc_watermarks(hw);
 402                 }
 403         }
 404
 405 out:
 406         pm_runtime_put_sync(netdev->dev.parent);
 407         clear_bit(__E1000_RESETTING, &adapter->state);
 408         return retval;
 409 }
 410
 411 static u32 e1000_get_msglevel(struct net_device *netdev)
 412 {
 413         struct e1000_adapter *adapter = netdev_priv(netdev);
 414         return adapter->msg_enable;
 415 }
 416
 417 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 418 {
 419         struct e1000_adapter *adapter = netdev_priv(netdev);
 420         adapter->msg_enable = data;
 421 }
 422
 423 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 424 {
 425 #define E1000_REGS_LEN 32       /* overestimate */
 426         return E1000_REGS_LEN * sizeof(u32);
 427 }
 428
 429 static void e1000_get_regs(struct net_device *netdev,
 430                            struct ethtool_regs *regs, void *p)
 431 {
 432         struct e1000_adapter *adapter = netdev_priv(netdev);
 433         struct e1000_hw *hw = &adapter->hw;
 434         u32 *regs_buff = p;
 435         u16 phy_data;
 436
 437         pm_runtime_get_sync(netdev->dev.parent);
 438
 439         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 440
 441         regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
 442             adapter->pdev->device;
 443
 444         regs_buff[0] = er32(CTRL);
 445         regs_buff[1] = er32(STATUS);
 446
 447         regs_buff[2] = er32(RCTL);
 448         regs_buff[3] = er32(RDLEN(0));
 449         regs_buff[4] = er32(RDH(0));
 450         regs_buff[5] = er32(RDT(0));
 451         regs_buff[6] = er32(RDTR);
 452
 453         regs_buff[7] = er32(TCTL);
 454         regs_buff[8] = er32(TDLEN(0));
 455         regs_buff[9] = er32(TDH(0));
 456         regs_buff[10] = er32(TDT(0));
 457         regs_buff[11] = er32(TIDV);
 458
 459         regs_buff[12] = adapter->hw.phy.type;   /* PHY type (IGP=1, M88=0) */
 460
 461         /* ethtool doesn't use anything past this point, so all this
 462          * code is likely legacy junk for apps that may or may not exist
 463          */
 464         if (hw->phy.type == e1000_phy_m88) {
 465                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 466                 regs_buff[13] = (u32)phy_data; /* cable length */
 467                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 468                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 469                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 470                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 471                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 472                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 473                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 474                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 475                 /* phy receive errors */
 476                 regs_buff[22] = adapter->phy_stats.receive_errors;
 477                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 478         }
 479         regs_buff[21] = 0;      /* was idle_errors */
 480         e1e_rphy(hw, MII_STAT1000, &phy_data);
 481         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 482         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 483
 484         pm_runtime_put_sync(netdev->dev.parent);
 485 }
 486
 487 static int e1000_get_eeprom_len(struct net_device *netdev)
 488 {
 489         struct e1000_adapter *adapter = netdev_priv(netdev);
 490         return adapter->hw.nvm.word_size * 2;
 491 }
 492
 493 static int e1000_get_eeprom(struct net_device *netdev,
 494                             struct ethtool_eeprom *eeprom, u8 *bytes)
 495 {
 496         struct e1000_adapter *adapter = netdev_priv(netdev);
 497         struct e1000_hw *hw = &adapter->hw;
 498         u16 *eeprom_buff;
 499         int first_word;
 500         int last_word;
 501         int ret_val = 0;
 502         u16 i;
 503
 504         if (eeprom->len == 0)
 505                 return -EINVAL;
 506
 507         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 508
 509         first_word = eeprom->offset >> 1;
 510         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 511
 512         eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
 513                               GFP_KERNEL);
 514         if (!eeprom_buff)
 515                 return -ENOMEM;
 516
 517         pm_runtime_get_sync(netdev->dev.parent);
 518
 519         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 520                 ret_val = e1000_read_nvm(hw, first_word,
 521                                          last_word - first_word + 1,
 522                                          eeprom_buff);
 523         } else {
 524                 for (i = 0; i < last_word - first_word + 1; i++) {
 525                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 526                                                  &eeprom_buff[i]);
 527                         if (ret_val)
 528                                 break;
 529                 }
 530         }
 531
 532         pm_runtime_put_sync(netdev->dev.parent);
 533
 534         if (ret_val) {
 535                 /* a read error occurred, throw away the result */
 536                 memset(eeprom_buff, 0xff, sizeof(u16) *
 537                        (last_word - first_word + 1));
 538         } else {
 539                 /* Device's eeprom is always little-endian, word addressable */
 540                 for (i = 0; i < last_word - first_word + 1; i++)
 541                         le16_to_cpus(&eeprom_buff[i]);
 542         }
 543
 544         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 545         kfree(eeprom_buff);
 546
 547         return ret_val;
 548 }
 549
 550 static int e1000_set_eeprom(struct net_device *netdev,
 551                             struct ethtool_eeprom *eeprom, u8 *bytes)
 552 {
 553         struct e1000_adapter *adapter = netdev_priv(netdev);
 554         struct e1000_hw *hw = &adapter->hw;
 555         u16 *eeprom_buff;
 556         void *ptr;
 557         int max_len;
 558         int first_word;
 559         int last_word;
 560         int ret_val = 0;
 561         u16 i;
 562
 563         if (eeprom->len == 0)
 564                 return -EOPNOTSUPP;
 565
 566         if (eeprom->magic !=
 567             (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 568                 return -EFAULT;
 569
 570         if (adapter->flags & FLAG_READ_ONLY_NVM)
 571                 return -EINVAL;
 572
 573         max_len = hw->nvm.word_size * 2;
 574
 575         first_word = eeprom->offset >> 1;
 576         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 577         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 578         if (!eeprom_buff)
 579                 return -ENOMEM;
 580
 581         ptr = (void *)eeprom_buff;
 582
 583         pm_runtime_get_sync(netdev->dev.parent);
 584
 585         if (eeprom->offset & 1) {
 586                 /* need read/modify/write of first changed EEPROM word */
 587                 /* only the second byte of the word is being modified */
 588                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 589                 ptr++;
 590         }
 591         if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
 592                 /* need read/modify/write of last changed EEPROM word */
 593                 /* only the first byte of the word is being modified */
 594                 ret_val = e1000_read_nvm(hw, last_word, 1,
 595                                          &eeprom_buff[last_word - first_word]);
 596
 597         if (ret_val)
 598                 goto out;
 599
 600         /* Device's eeprom is always little-endian, word addressable */
 601         for (i = 0; i < last_word - first_word + 1; i++)
 602                 le16_to_cpus(&eeprom_buff[i]);
 603
 604         memcpy(ptr, bytes, eeprom->len);
 605
 606         for (i = 0; i < last_word - first_word + 1; i++)
 607                 cpu_to_le16s(&eeprom_buff[i]);
 608
 609         ret_val = e1000_write_nvm(hw, first_word,
 610                                   last_word - first_word + 1, eeprom_buff);
 611
 612         if (ret_val)
 613                 goto out;
 614
 615         /* Update the checksum over the first part of the EEPROM if needed
 616          * and flush shadow RAM for applicable controllers
 617          */
 618         if ((first_word <= NVM_CHECKSUM_REG) ||
 619             (hw->mac.type == e1000_82583) ||
 620             (hw->mac.type == e1000_82574) ||
 621             (hw->mac.type == e1000_82573))
 622                 ret_val = e1000e_update_nvm_checksum(hw);
 623
 624 out:
 625         pm_runtime_put_sync(netdev->dev.parent);
 626         kfree(eeprom_buff);
 627         return ret_val;
 628 }
 629
 630 static void e1000_get_drvinfo(struct net_device *netdev,
 631                               struct ethtool_drvinfo *drvinfo)
 632 {
 633         struct e1000_adapter *adapter = netdev_priv(netdev);
 634
 635         strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
 636         strlcpy(drvinfo->version, e1000e_driver_version,
 637                 sizeof(drvinfo->version));
 638
 639         /* EEPROM image version # is reported as firmware version # for
 640          * PCI-E controllers
 641          */
 642         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 643                  "%d.%d-%d",
 644                  (adapter->eeprom_vers & 0xF000) >> 12,
 645                  (adapter->eeprom_vers & 0x0FF0) >> 4,
 646                  (adapter->eeprom_vers & 0x000F));
 647
 648         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 649                 sizeof(drvinfo->bus_info));
 650         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 651         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 652 }
 653
 654 static void e1000_get_ringparam(struct net_device *netdev,
 655                                 struct ethtool_ringparam *ring)
 656 {
 657         struct e1000_adapter *adapter = netdev_priv(netdev);
 658
 659         ring->rx_max_pending = E1000_MAX_RXD;
 660         ring->tx_max_pending = E1000_MAX_TXD;
 661         ring->rx_pending = adapter->rx_ring_count;
 662         ring->tx_pending = adapter->tx_ring_count;
 663 }
 664
 665 static int e1000_set_ringparam(struct net_device *netdev,
 666                                struct ethtool_ringparam *ring)
 667 {
 668         struct e1000_adapter *adapter = netdev_priv(netdev);
 669         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 670         int err = 0, size = sizeof(struct e1000_ring);
 671         bool set_tx = false, set_rx = false;
 672         u16 new_rx_count, new_tx_count;
 673
 674         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 675                 return -EINVAL;
 676
 677         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 678                                E1000_MAX_RXD);
 679         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 680
 681         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 682                                E1000_MAX_TXD);
 683         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 684
 685         if ((new_tx_count == adapter->tx_ring_count) &&
 686             (new_rx_count == adapter->rx_ring_count))
 687                 /* nothing to do */
 688                 return 0;
 689
 690         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 691                 usleep_range(1000, 2000);
 692
 693         if (!netif_running(adapter->netdev)) {
 694                 /* Set counts now and allocate resources during open() */
 695                 adapter->tx_ring->count = new_tx_count;
 696                 adapter->rx_ring->count = new_rx_count;
 697                 adapter->tx_ring_count = new_tx_count;
 698                 adapter->rx_ring_count = new_rx_count;
 699                 goto clear_reset;
 700         }
 701
 702         set_tx = (new_tx_count != adapter->tx_ring_count);
 703         set_rx = (new_rx_count != adapter->rx_ring_count);
 704
 705         /* Allocate temporary storage for ring updates */
 706         if (set_tx) {
 707                 temp_tx = vmalloc(size);
 708                 if (!temp_tx) {
 709                         err = -ENOMEM;
 710                         goto free_temp;
 711                 }
 712         }
 713         if (set_rx) {
 714                 temp_rx = vmalloc(size);
 715                 if (!temp_rx) {
 716                         err = -ENOMEM;
 717                         goto free_temp;
 718                 }
 719         }
 720
 721         pm_runtime_get_sync(netdev->dev.parent);
 722
 723         e1000e_down(adapter, true);
 724
 725         /* We can't just free everything and then setup again, because the
 726          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 727          * structs.  First, attempt to allocate new resources...
 728          */
 729         if (set_tx) {
 730                 memcpy(temp_tx, adapter->tx_ring, size);
 731                 temp_tx->count = new_tx_count;
 732                 err = e1000e_setup_tx_resources(temp_tx);
 733                 if (err)
 734                         goto err_setup;
 735         }
 736         if (set_rx) {
 737                 memcpy(temp_rx, adapter->rx_ring, size);
 738                 temp_rx->count = new_rx_count;
 739                 err = e1000e_setup_rx_resources(temp_rx);
 740                 if (err)
 741                         goto err_setup_rx;
 742         }
 743
 744         /* ...then free the old resources and copy back any new ring data */
 745         if (set_tx) {
 746                 e1000e_free_tx_resources(adapter->tx_ring);
 747                 memcpy(adapter->tx_ring, temp_tx, size);
 748                 adapter->tx_ring_count = new_tx_count;
 749         }
 750         if (set_rx) {
 751                 e1000e_free_rx_resources(adapter->rx_ring);
 752                 memcpy(adapter->rx_ring, temp_rx, size);
 753                 adapter->rx_ring_count = new_rx_count;
 754         }
 755
 756 err_setup_rx:
 757         if (err && set_tx)
 758                 e1000e_free_tx_resources(temp_tx);
 759 err_setup:
 760         e1000e_up(adapter);
 761         pm_runtime_put_sync(netdev->dev.parent);
 762 free_temp:
 763         vfree(temp_tx);
 764         vfree(temp_rx);
 765 clear_reset:
 766         clear_bit(__E1000_RESETTING, &adapter->state);
 767         return err;
 768 }
 769
 770 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 771                              int reg, int offset, u32 mask, u32 write)
 772 {
 773         u32 pat, val;
 774         static const u32 test[] = {
 775                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 776         };
 777         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 778                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 779                                       (test[pat] & write));
 780                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 781                 if (val != (test[pat] & write & mask)) {
 782                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 783                               reg + (offset << 2), val,
 784                               (test[pat] & write & mask));
 785                         *data = reg;
 786                         return 1;
 787                 }
 788         }
 789         return 0;
 790 }
 791
 792 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 793                               int reg, u32 mask, u32 write)
 794 {
 795         u32 val;
 796         __ew32(&adapter->hw, reg, write & mask);
 797         val = __er32(&adapter->hw, reg);
 798         if ((write & mask) != (val & mask)) {
 799                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 800                       reg, (val & mask), (write & mask));
 801                 *data = reg;
 802                 return 1;
 803         }
 804         return 0;
 805 }
 806
 807 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 808         do {                                                                   \
 809                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 810                         return 1;                                              \
 811         } while (0)
 812 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 813         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 814
 815 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 816         do {                                                                   \
 817                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 818                         return 1;                                              \
 819         } while (0)
 820
 821 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 822 {
 823         struct e1000_hw *hw = &adapter->hw;
 824         struct e1000_mac_info *mac = &adapter->hw.mac;
 825         u32 value;
 826         u32 before;
 827         u32 after;
 828         u32 i;
 829         u32 toggle;
 830         u32 mask;
 831         u32 wlock_mac = 0;
 832
 833         /* The status register is Read Only, so a write should fail.
 834          * Some bits that get toggled are ignored.  There are several bits
 835          * on newer hardware that are r/w.
 836          */
 837         switch (mac->type) {
 838         case e1000_82571:
 839         case e1000_82572:
 840         case e1000_80003es2lan:
 841                 toggle = 0x7FFFF3FF;
 842                 break;
 843         default:
 844                 toggle = 0x7FFFF033;
 845                 break;
 846         }
 847
 848         before = er32(STATUS);
 849         value = (er32(STATUS) & toggle);
 850         ew32(STATUS, toggle);
 851         after = er32(STATUS) & toggle;
 852         if (value != after) {
 853                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 854                       after, value);
 855                 *data = 1;
 856                 return 1;
 857         }
 858         /* restore previous status */
 859         ew32(STATUS, before);
 860
 861         if (!(adapter->flags & FLAG_IS_ICH)) {
 862                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 863                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 864                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 865                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 866         }
 867
 868         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 869         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 870         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 871         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 872         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 873         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 874         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 875         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 876         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 877         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 878
 879         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 880
 881         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 882         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 883         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 884
 885         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 886         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 887         if (!(adapter->flags & FLAG_IS_ICH))
 888                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 889         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 890         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 891         mask = 0x8003FFFF;
 892         switch (mac->type) {
 893         case e1000_ich10lan:
 894         case e1000_pchlan:
 895         case e1000_pch2lan:
 896         case e1000_pch_lpt:
 897                 mask |= (1 << 18);
 898                 break;
 899         default:
 900                 break;
 901         }
 902
 903         if (mac->type == e1000_pch_lpt)
 904                 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 905                     E1000_FWSM_WLOCK_MAC_SHIFT;
 906
 907         for (i = 0; i < mac->rar_entry_count; i++) {
 908                 if (mac->type == e1000_pch_lpt) {
 909                         /* Cannot test write-protected SHRAL[n] registers */
 910                         if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
 911                                 continue;
 912
 913                         /* SHRAH[9] different than the others */
 914                         if (i == 10)
 915                                 mask |= (1 << 30);
 916                         else
 917                                 mask &= ~(1 << 30);
 918                 }
 919                 if (mac->type == e1000_pch2lan) {
 920                         /* SHRAH[0,1,2] different than previous */
 921                         if (i == 1)
 922                                 mask &= 0xFFF4FFFF;
 923                         /* SHRAH[3] different than SHRAH[0,1,2] */
 924                         if (i == 4)
 925                                 mask |= (1 << 30);
 926                         /* RAR[1-6] owned by management engine - skipping */
 927                         if (i > 0)
 928                                 i += 6;
 929                 }
 930
 931                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
 932                                        0xFFFFFFFF);
 933                 /* reset index to actual value */
 934                 if ((mac->type == e1000_pch2lan) && (i > 6))
 935                         i -= 6;
 936         }
 937
 938         for (i = 0; i < mac->mta_reg_count; i++)
 939                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 940
 941         *data = 0;
 942
 943         return 0;
 944 }
 945
 946 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 947 {
 948         u16 temp;
 949         u16 checksum = 0;
 950         u16 i;
 951
 952         *data = 0;
 953         /* Read and add up the contents of the EEPROM */
 954         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 955                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 956                         *data = 1;
 957                         return *data;
 958                 }
 959                 checksum += temp;
 960         }
 961
 962         /* If Checksum is not Correct return error else test passed */
 963         if ((checksum != (u16)NVM_SUM) && !(*data))
 964                 *data = 2;
 965
 966         return *data;
 967 }
 968
 969 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 970 {
 971         struct net_device *netdev = (struct net_device *)data;
 972         struct e1000_adapter *adapter = netdev_priv(netdev);
 973         struct e1000_hw *hw = &adapter->hw;
 974
 975         adapter->test_icr |= er32(ICR);
 976
 977         return IRQ_HANDLED;
 978 }
 979
 980 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 981 {
 982         struct net_device *netdev = adapter->netdev;
 983         struct e1000_hw *hw = &adapter->hw;
 984         u32 mask;
 985         u32 shared_int = 1;
 986         u32 irq = adapter->pdev->irq;
 987         int i;
 988         int ret_val = 0;
 989         int int_mode = E1000E_INT_MODE_LEGACY;
 990
 991         *data = 0;
 992
 993         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 994         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 995                 int_mode = adapter->int_mode;
 996                 e1000e_reset_interrupt_capability(adapter);
 997                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
 998                 e1000e_set_interrupt_capability(adapter);
 999         }
1000         /* Hook up test interrupt handler just for this test */
1001         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1002                          netdev)) {
1003                 shared_int = 0;
1004         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1005                                netdev)) {
1006                 *data = 1;
1007                 ret_val = -1;
1008                 goto out;
1009         }
1010         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1011
1012         /* Disable all the interrupts */
1013         ew32(IMC, 0xFFFFFFFF);
1014         e1e_flush();
1015         usleep_range(10000, 20000);
1016
1017         /* Test each interrupt */
1018         for (i = 0; i < 10; i++) {
1019                 /* Interrupt to test */
1020                 mask = 1 << i;
1021
1022                 if (adapter->flags & FLAG_IS_ICH) {
1023                         switch (mask) {
1024                         case E1000_ICR_RXSEQ:
1025                                 continue;
1026                         case 0x00000100:
1027                                 if (adapter->hw.mac.type == e1000_ich8lan ||
1028                                     adapter->hw.mac.type == e1000_ich9lan)
1029                                         continue;
1030                                 break;
1031                         default:
1032                                 break;
1033                         }
1034                 }
1035
1036                 if (!shared_int) {
1037                         /* Disable the interrupt to be reported in
1038                          * the cause register and then force the same
1039                          * interrupt and see if one gets posted.  If
1040                          * an interrupt was posted to the bus, the
1041                          * test failed.
1042                          */
1043                         adapter->test_icr = 0;
1044                         ew32(IMC, mask);
1045                         ew32(ICS, mask);
1046                         e1e_flush();
1047                         usleep_range(10000, 20000);
1048
1049                         if (adapter->test_icr & mask) {
1050                                 *data = 3;
1051                                 break;
1052                         }
1053                 }
1054
1055                 /* Enable the interrupt to be reported in
1056                  * the cause register and then force the same
1057                  * interrupt and see if one gets posted.  If
1058                  * an interrupt was not posted to the bus, the
1059                  * test failed.
1060                  */
1061                 adapter->test_icr = 0;
1062                 ew32(IMS, mask);
1063                 ew32(ICS, mask);
1064                 e1e_flush();
1065                 usleep_range(10000, 20000);
1066
1067                 if (!(adapter->test_icr & mask)) {
1068                         *data = 4;
1069                         break;
1070                 }
1071
1072                 if (!shared_int) {
1073                         /* Disable the other interrupts to be reported in
1074                          * the cause register and then force the other
1075                          * interrupts and see if any get posted.  If
1076                          * an interrupt was posted to the bus, the
1077                          * test failed.
1078                          */
1079                         adapter->test_icr = 0;
1080                         ew32(IMC, ~mask & 0x00007FFF);
1081                         ew32(ICS, ~mask & 0x00007FFF);
1082                         e1e_flush();
1083                         usleep_range(10000, 20000);
1084
1085                         if (adapter->test_icr) {
1086                                 *data = 5;
1087                                 break;
1088                         }
1089                 }
1090         }
1091
1092         /* Disable all the interrupts */
1093         ew32(IMC, 0xFFFFFFFF);
1094         e1e_flush();
1095         usleep_range(10000, 20000);
1096
1097         /* Unhook test interrupt handler */
1098         free_irq(irq, netdev);
1099
1100 out:
1101         if (int_mode == E1000E_INT_MODE_MSIX) {
1102                 e1000e_reset_interrupt_capability(adapter);
1103                 adapter->int_mode = int_mode;
1104                 e1000e_set_interrupt_capability(adapter);
1105         }
1106
1107         return ret_val;
1108 }
1109
1110 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1111 {
1112         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1113         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1114         struct pci_dev *pdev = adapter->pdev;
1115         struct e1000_buffer *buffer_info;
1116         int i;
1117
1118         if (tx_ring->desc && tx_ring->buffer_info) {
1119                 for (i = 0; i < tx_ring->count; i++) {
1120                         buffer_info = &tx_ring->buffer_info[i];
1121
1122                         if (buffer_info->dma)
1123                                 dma_unmap_single(&pdev->dev,
1124                                                  buffer_info->dma,
1125                                                  buffer_info->length,
1126                                                  DMA_TO_DEVICE);
1127                         if (buffer_info->skb)
1128                                 dev_kfree_skb(buffer_info->skb);
1129                 }
1130         }
1131
1132         if (rx_ring->desc && rx_ring->buffer_info) {
1133                 for (i = 0; i < rx_ring->count; i++) {
1134                         buffer_info = &rx_ring->buffer_info[i];
1135
1136                         if (buffer_info->dma)
1137                                 dma_unmap_single(&pdev->dev,
1138                                                  buffer_info->dma,
1139                                                  2048, DMA_FROM_DEVICE);
1140                         if (buffer_info->skb)
1141                                 dev_kfree_skb(buffer_info->skb);
1142                 }
1143         }
1144
1145         if (tx_ring->desc) {
1146                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1147                                   tx_ring->dma);
1148                 tx_ring->desc = NULL;
1149         }
1150         if (rx_ring->desc) {
1151                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1152                                   rx_ring->dma);
1153                 rx_ring->desc = NULL;
1154         }
1155
1156         kfree(tx_ring->buffer_info);
1157         tx_ring->buffer_info = NULL;
1158         kfree(rx_ring->buffer_info);
1159         rx_ring->buffer_info = NULL;
1160 }
1161
1162 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1163 {
1164         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1165         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1166         struct pci_dev *pdev = adapter->pdev;
1167         struct e1000_hw *hw = &adapter->hw;
1168         u32 rctl;
1169         int i;
1170         int ret_val;
1171
1172         /* Setup Tx descriptor ring and Tx buffers */
1173
1174         if (!tx_ring->count)
1175                 tx_ring->count = E1000_DEFAULT_TXD;
1176
1177         tx_ring->buffer_info = kcalloc(tx_ring->count,
1178                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1179         if (!tx_ring->buffer_info) {
1180                 ret_val = 1;
1181                 goto err_nomem;
1182         }
1183
1184         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1185         tx_ring->size = ALIGN(tx_ring->size, 4096);
1186         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1187                                            &tx_ring->dma, GFP_KERNEL);
1188         if (!tx_ring->desc) {
1189                 ret_val = 2;
1190                 goto err_nomem;
1191         }
1192         tx_ring->next_to_use = 0;
1193         tx_ring->next_to_clean = 0;
1194
1195         ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1196         ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1197         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1198         ew32(TDH(0), 0);
1199         ew32(TDT(0), 0);
1200         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1201              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1202              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1203
1204         for (i = 0; i < tx_ring->count; i++) {
1205                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1206                 struct sk_buff *skb;
1207                 unsigned int skb_size = 1024;
1208
1209                 skb = alloc_skb(skb_size, GFP_KERNEL);
1210                 if (!skb) {
1211                         ret_val = 3;
1212                         goto err_nomem;
1213                 }
1214                 skb_put(skb, skb_size);
1215                 tx_ring->buffer_info[i].skb = skb;
1216                 tx_ring->buffer_info[i].length = skb->len;
1217                 tx_ring->buffer_info[i].dma =
1218                     dma_map_single(&pdev->dev, skb->data, skb->len,
1219                                    DMA_TO_DEVICE);
1220                 if (dma_mapping_error(&pdev->dev,
1221                                       tx_ring->buffer_info[i].dma)) {
1222                         ret_val = 4;
1223                         goto err_nomem;
1224                 }
1225                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1226                 tx_desc->lower.data = cpu_to_le32(skb->len);
1227                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1228                                                    E1000_TXD_CMD_IFCS |
1229                                                    E1000_TXD_CMD_RS);
1230                 tx_desc->upper.data = 0;
1231         }
1232
1233         /* Setup Rx descriptor ring and Rx buffers */
1234
1235         if (!rx_ring->count)
1236                 rx_ring->count = E1000_DEFAULT_RXD;
1237
1238         rx_ring->buffer_info = kcalloc(rx_ring->count,
1239                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1240         if (!rx_ring->buffer_info) {
1241                 ret_val = 5;
1242                 goto err_nomem;
1243         }
1244
1245         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1246         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1247                                            &rx_ring->dma, GFP_KERNEL);
1248         if (!rx_ring->desc) {
1249                 ret_val = 6;
1250                 goto err_nomem;
1251         }
1252         rx_ring->next_to_use = 0;
1253         rx_ring->next_to_clean = 0;
1254
1255         rctl = er32(RCTL);
1256         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1257                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1258         ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1259         ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1260         ew32(RDLEN(0), rx_ring->size);
1261         ew32(RDH(0), 0);
1262         ew32(RDT(0), 0);
1263         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1264             E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1265             E1000_RCTL_SBP | E1000_RCTL_SECRC |
1266             E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1267             (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1268         ew32(RCTL, rctl);
1269
1270         for (i = 0; i < rx_ring->count; i++) {
1271                 union e1000_rx_desc_extended *rx_desc;
1272                 struct sk_buff *skb;
1273
1274                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1275                 if (!skb) {
1276                         ret_val = 7;
1277                         goto err_nomem;
1278                 }
1279                 skb_reserve(skb, NET_IP_ALIGN);
1280                 rx_ring->buffer_info[i].skb = skb;
1281                 rx_ring->buffer_info[i].dma =
1282                     dma_map_single(&pdev->dev, skb->data, 2048,
1283                                    DMA_FROM_DEVICE);
1284                 if (dma_mapping_error(&pdev->dev,
1285                                       rx_ring->buffer_info[i].dma)) {
1286                         ret_val = 8;
1287                         goto err_nomem;
1288                 }
1289                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1290                 rx_desc->read.buffer_addr =
1291                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1292                 memset(skb->data, 0x00, skb->len);
1293         }
1294
1295         return 0;
1296
1297 err_nomem:
1298         e1000_free_desc_rings(adapter);
1299         return ret_val;
1300 }
1301
1302 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1303 {
1304         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1305         e1e_wphy(&adapter->hw, 29, 0x001F);
1306         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1307         e1e_wphy(&adapter->hw, 29, 0x001A);
1308         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1309 }
1310
1311 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1312 {
1313         struct e1000_hw *hw = &adapter->hw;
1314         u32 ctrl_reg = 0;
1315         u16 phy_reg = 0;
1316         s32 ret_val = 0;
1317
1318         hw->mac.autoneg = 0;
1319
1320         if (hw->phy.type == e1000_phy_ife) {
1321                 /* force 100, set loopback */
1322                 e1e_wphy(hw, MII_BMCR, 0x6100);
1323
1324                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1325                 ctrl_reg = er32(CTRL);
1326                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1327                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1328                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1329                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1330                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1331
1332                 ew32(CTRL, ctrl_reg);
1333                 e1e_flush();
1334                 usleep_range(500, 1000);
1335
1336                 return 0;
1337         }
1338
1339         /* Specific PHY configuration for loopback */
1340         switch (hw->phy.type) {
1341         case e1000_phy_m88:
1342                 /* Auto-MDI/MDIX Off */
1343                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1344                 /* reset to update Auto-MDI/MDIX */
1345                 e1e_wphy(hw, MII_BMCR, 0x9140);
1346                 /* autoneg off */
1347                 e1e_wphy(hw, MII_BMCR, 0x8140);
1348                 break;
1349         case e1000_phy_gg82563:
1350                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1351                 break;
1352         case e1000_phy_bm:
1353                 /* Set Default MAC Interface speed to 1GB */
1354                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1355                 phy_reg &= ~0x0007;
1356                 phy_reg |= 0x006;
1357                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1358                 /* Assert SW reset for above settings to take effect */
1359                 hw->phy.ops.commit(hw);
1360                 usleep_range(1000, 2000);
1361                 /* Force Full Duplex */
1362                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1363                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1364                 /* Set Link Up (in force link) */
1365                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1366                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1367                 /* Force Link */
1368                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1369                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1370                 /* Set Early Link Enable */
1371                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1372                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1373                 break;
1374         case e1000_phy_82577:
1375         case e1000_phy_82578:
1376                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1377                 ret_val = hw->phy.ops.acquire(hw);
1378                 if (ret_val) {
1379                         e_err("Cannot setup 1Gbps loopback.\n");
1380                         return ret_val;
1381                 }
1382                 e1000_configure_k1_ich8lan(hw, false);
1383                 hw->phy.ops.release(hw);
1384                 break;
1385         case e1000_phy_82579:
1386                 /* Disable PHY energy detect power down */
1387                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1388                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1389                 /* Disable full chip energy detect */
1390                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1391                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1392                 /* Enable loopback on the PHY */
1393                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1394                 break;
1395         default:
1396                 break;
1397         }
1398
1399         /* force 1000, set loopback */
1400         e1e_wphy(hw, MII_BMCR, 0x4140);
1401         msleep(250);
1402
1403         /* Now set up the MAC to the same speed/duplex as the PHY. */
1404         ctrl_reg = er32(CTRL);
1405         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1406         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1407                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1408                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1409                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1410
1411         if (adapter->flags & FLAG_IS_ICH)
1412                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1413
1414         if (hw->phy.media_type == e1000_media_type_copper &&
1415             hw->phy.type == e1000_phy_m88) {
1416                 ctrl_reg |= E1000_CTRL_ILOS;    /* Invert Loss of Signal */
1417         } else {
1418                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1419                  * detected.
1420                  */
1421                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1422                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1423         }
1424
1425         ew32(CTRL, ctrl_reg);
1426
1427         /* Disable the receiver on the PHY so when a cable is plugged in, the
1428          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1429          */
1430         if (hw->phy.type == e1000_phy_m88)
1431                 e1000_phy_disable_receiver(adapter);
1432
1433         usleep_range(500, 1000);
1434
1435         return 0;
1436 }
1437
1438 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1439 {
1440         struct e1000_hw *hw = &adapter->hw;
1441         u32 ctrl = er32(CTRL);
1442         int link;
1443
1444         /* special requirements for 82571/82572 fiber adapters */
1445
1446         /* jump through hoops to make sure link is up because serdes
1447          * link is hardwired up
1448          */
1449         ctrl |= E1000_CTRL_SLU;
1450         ew32(CTRL, ctrl);
1451
1452         /* disable autoneg */
1453         ctrl = er32(TXCW);
1454         ctrl &= ~(1 << 31);
1455         ew32(TXCW, ctrl);
1456
1457         link = (er32(STATUS) & E1000_STATUS_LU);
1458
1459         if (!link) {
1460                 /* set invert loss of signal */
1461                 ctrl = er32(CTRL);
1462                 ctrl |= E1000_CTRL_ILOS;
1463                 ew32(CTRL, ctrl);
1464         }
1465
1466         /* special write to serdes control register to enable SerDes analog
1467          * loopback
1468          */
1469         ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1470         e1e_flush();
1471         usleep_range(10000, 20000);
1472
1473         return 0;
1474 }
1475
1476 /* only call this for fiber/serdes connections to es2lan */
1477 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1478 {
1479         struct e1000_hw *hw = &adapter->hw;
1480         u32 ctrlext = er32(CTRL_EXT);
1481         u32 ctrl = er32(CTRL);
1482
1483         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1484          * on mac_type 80003es2lan)
1485          */
1486         adapter->tx_fifo_head = ctrlext;
1487
1488         /* clear the serdes mode bits, putting the device into mac loopback */
1489         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1490         ew32(CTRL_EXT, ctrlext);
1491
1492         /* force speed to 1000/FD, link up */
1493         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1494         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1495                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1496         ew32(CTRL, ctrl);
1497
1498         /* set mac loopback */
1499         ctrl = er32(RCTL);
1500         ctrl |= E1000_RCTL_LBM_MAC;
1501         ew32(RCTL, ctrl);
1502
1503         /* set testing mode parameters (no need to reset later) */
1504 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1505 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1506         ew32(KMRNCTRLSTA,
1507              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1508
1509         return 0;
1510 }
1511
1512 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1513 {
1514         struct e1000_hw *hw = &adapter->hw;
1515         u32 rctl;
1516
1517         if (hw->phy.media_type == e1000_media_type_fiber ||
1518             hw->phy.media_type == e1000_media_type_internal_serdes) {
1519                 switch (hw->mac.type) {
1520                 case e1000_80003es2lan:
1521                         return e1000_set_es2lan_mac_loopback(adapter);
1522                         break;
1523                 case e1000_82571:
1524                 case e1000_82572:
1525                         return e1000_set_82571_fiber_loopback(adapter);
1526                         break;
1527                 default:
1528                         rctl = er32(RCTL);
1529                         rctl |= E1000_RCTL_LBM_TCVR;
1530                         ew32(RCTL, rctl);
1531                         return 0;
1532                 }
1533         } else if (hw->phy.media_type == e1000_media_type_copper) {
1534                 return e1000_integrated_phy_loopback(adapter);
1535         }
1536
1537         return 7;
1538 }
1539
1540 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1541 {
1542         struct e1000_hw *hw = &adapter->hw;
1543         u32 rctl;
1544         u16 phy_reg;
1545
1546         rctl = er32(RCTL);
1547         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1548         ew32(RCTL, rctl);
1549
1550         switch (hw->mac.type) {
1551         case e1000_80003es2lan:
1552                 if (hw->phy.media_type == e1000_media_type_fiber ||
1553                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1554                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1555                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1556                         adapter->tx_fifo_head = 0;
1557                 }
1558                 /* fall through */
1559         case e1000_82571:
1560         case e1000_82572:
1561                 if (hw->phy.media_type == e1000_media_type_fiber ||
1562                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1563                         ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1564                         e1e_flush();
1565                         usleep_range(10000, 20000);
1566                         break;
1567                 }
1568                 /* Fall Through */
1569         default:
1570                 hw->mac.autoneg = 1;
1571                 if (hw->phy.type == e1000_phy_gg82563)
1572                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1573                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1574                 if (phy_reg & BMCR_LOOPBACK) {
1575                         phy_reg &= ~BMCR_LOOPBACK;
1576                         e1e_wphy(hw, MII_BMCR, phy_reg);
1577                         if (hw->phy.ops.commit)
1578                                 hw->phy.ops.commit(hw);
1579                 }
1580                 break;
1581         }
1582 }
1583
1584 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1585                                       unsigned int frame_size)
1586 {
1587         memset(skb->data, 0xFF, frame_size);
1588         frame_size &= ~1;
1589         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1590         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1591         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1592 }
1593
1594 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1595                                     unsigned int frame_size)
1596 {
1597         frame_size &= ~1;
1598         if (*(skb->data + 3) == 0xFF)
1599                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1600                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
1601                         return 0;
1602         return 13;
1603 }
1604
1605 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1606 {
1607         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1608         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1609         struct pci_dev *pdev = adapter->pdev;
1610         struct e1000_hw *hw = &adapter->hw;
1611         struct e1000_buffer *buffer_info;
1612         int i, j, k, l;
1613         int lc;
1614         int good_cnt;
1615         int ret_val = 0;
1616         unsigned long time;
1617
1618         ew32(RDT(0), rx_ring->count - 1);
1619
1620         /* Calculate the loop count based on the largest descriptor ring
1621          * The idea is to wrap the largest ring a number of times using 64
1622          * send/receive pairs during each loop
1623          */
1624
1625         if (rx_ring->count <= tx_ring->count)
1626                 lc = ((tx_ring->count / 64) * 2) + 1;
1627         else
1628                 lc = ((rx_ring->count / 64) * 2) + 1;
1629
1630         k = 0;
1631         l = 0;
1632         /* loop count loop */
1633         for (j = 0; j <= lc; j++) {
1634                 /* send the packets */
1635                 for (i = 0; i < 64; i++) {
1636                         buffer_info = &tx_ring->buffer_info[k];
1637
1638                         e1000_create_lbtest_frame(buffer_info->skb, 1024);
1639                         dma_sync_single_for_device(&pdev->dev,
1640                                                    buffer_info->dma,
1641                                                    buffer_info->length,
1642                                                    DMA_TO_DEVICE);
1643                         k++;
1644                         if (k == tx_ring->count)
1645                                 k = 0;
1646                 }
1647                 ew32(TDT(0), k);
1648                 e1e_flush();
1649                 msleep(200);
1650                 time = jiffies; /* set the start time for the receive */
1651                 good_cnt = 0;
1652                 /* receive the sent packets */
1653                 do {
1654                         buffer_info = &rx_ring->buffer_info[l];
1655
1656                         dma_sync_single_for_cpu(&pdev->dev,
1657                                                 buffer_info->dma, 2048,
1658                                                 DMA_FROM_DEVICE);
1659
1660                         ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1661                                                            1024);
1662                         if (!ret_val)
1663                                 good_cnt++;
1664                         l++;
1665                         if (l == rx_ring->count)
1666                                 l = 0;
1667                         /* time + 20 msecs (200 msecs on 2.4) is more than
1668                          * enough time to complete the receives, if it's
1669                          * exceeded, break and error off
1670                          */
1671                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1672                 if (good_cnt != 64) {
1673                         ret_val = 13;   /* ret_val is the same as mis-compare */
1674                         break;
1675                 }
1676                 if (time_after(jiffies, time + 20)) {
1677                         ret_val = 14;   /* error code for time out error */
1678                         break;
1679                 }
1680         }
1681         return ret_val;
1682 }
1683
1684 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1685 {
1686         struct e1000_hw *hw = &adapter->hw;
1687
1688         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1689         if (hw->phy.ops.check_reset_block &&
1690             hw->phy.ops.check_reset_block(hw)) {
1691                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1692                 *data = 0;
1693                 goto out;
1694         }
1695
1696         *data = e1000_setup_desc_rings(adapter);
1697         if (*data)
1698                 goto out;
1699
1700         *data = e1000_setup_loopback_test(adapter);
1701         if (*data)
1702                 goto err_loopback;
1703
1704         *data = e1000_run_loopback_test(adapter);
1705         e1000_loopback_cleanup(adapter);
1706
1707 err_loopback:
1708         e1000_free_desc_rings(adapter);
1709 out:
1710         return *data;
1711 }
1712
1713 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1714 {
1715         struct e1000_hw *hw = &adapter->hw;
1716
1717         *data = 0;
1718         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1719                 int i = 0;
1720                 hw->mac.serdes_has_link = false;
1721
1722                 /* On some blade server designs, link establishment
1723                  * could take as long as 2-3 minutes
1724                  */
1725                 do {
1726                         hw->mac.ops.check_for_link(hw);
1727                         if (hw->mac.serdes_has_link)
1728                                 return *data;
1729                         msleep(20);
1730                 } while (i++ < 3750);
1731
1732                 *data = 1;
1733         } else {
1734                 hw->mac.ops.check_for_link(hw);
1735                 if (hw->mac.autoneg)
1736                         /* On some Phy/switch combinations, link establishment
1737                          * can take a few seconds more than expected.
1738                          */
1739                         msleep_interruptible(5000);
1740
1741                 if (!(er32(STATUS) & E1000_STATUS_LU))
1742                         *data = 1;
1743         }
1744         return *data;
1745 }
1746
1747 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1748                                  int sset)
1749 {
1750         switch (sset) {
1751         case ETH_SS_TEST:
1752                 return E1000_TEST_LEN;
1753         case ETH_SS_STATS:
1754                 return E1000_STATS_LEN;
1755         default:
1756                 return -EOPNOTSUPP;
1757         }
1758 }
1759
1760 static void e1000_diag_test(struct net_device *netdev,
1761                             struct ethtool_test *eth_test, u64 *data)
1762 {
1763         struct e1000_adapter *adapter = netdev_priv(netdev);
1764         u16 autoneg_advertised;
1765         u8 forced_speed_duplex;
1766         u8 autoneg;
1767         bool if_running = netif_running(netdev);
1768
1769         pm_runtime_get_sync(netdev->dev.parent);
1770
1771         set_bit(__E1000_TESTING, &adapter->state);
1772
1773         if (!if_running) {
1774                 /* Get control of and reset hardware */
1775                 if (adapter->flags & FLAG_HAS_AMT)
1776                         e1000e_get_hw_control(adapter);
1777
1778                 e1000e_power_up_phy(adapter);
1779
1780                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1781                 e1000e_reset(adapter);
1782                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1783         }
1784
1785         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1786                 /* Offline tests */
1787
1788                 /* save speed, duplex, autoneg settings */
1789                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1790                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1791                 autoneg = adapter->hw.mac.autoneg;
1792
1793                 e_info("offline testing starting\n");
1794
1795                 if (if_running)
1796                         /* indicate we're in test mode */
1797                         dev_close(netdev);
1798
1799                 if (e1000_reg_test(adapter, &data[0]))
1800                         eth_test->flags |= ETH_TEST_FL_FAILED;
1801
1802                 e1000e_reset(adapter);
1803                 if (e1000_eeprom_test(adapter, &data[1]))
1804                         eth_test->flags |= ETH_TEST_FL_FAILED;
1805
1806                 e1000e_reset(adapter);
1807                 if (e1000_intr_test(adapter, &data[2]))
1808                         eth_test->flags |= ETH_TEST_FL_FAILED;
1809
1810                 e1000e_reset(adapter);
1811                 if (e1000_loopback_test(adapter, &data[3]))
1812                         eth_test->flags |= ETH_TEST_FL_FAILED;
1813
1814                 /* force this routine to wait until autoneg complete/timeout */
1815                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1816                 e1000e_reset(adapter);
1817                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1818
1819                 if (e1000_link_test(adapter, &data[4]))
1820                         eth_test->flags |= ETH_TEST_FL_FAILED;
1821
1822                 /* restore speed, duplex, autoneg settings */
1823                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1824                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1825                 adapter->hw.mac.autoneg = autoneg;
1826                 e1000e_reset(adapter);
1827
1828                 clear_bit(__E1000_TESTING, &adapter->state);
1829                 if (if_running)
1830                         dev_open(netdev);
1831         } else {
1832                 /* Online tests */
1833
1834                 e_info("online testing starting\n");
1835
1836                 /* register, eeprom, intr and loopback tests not run online */
1837                 data[0] = 0;
1838                 data[1] = 0;
1839                 data[2] = 0;
1840                 data[3] = 0;
1841
1842                 if (e1000_link_test(adapter, &data[4]))
1843                         eth_test->flags |= ETH_TEST_FL_FAILED;
1844
1845                 clear_bit(__E1000_TESTING, &adapter->state);
1846         }
1847
1848         if (!if_running) {
1849                 e1000e_reset(adapter);
1850
1851                 if (adapter->flags & FLAG_HAS_AMT)
1852                         e1000e_release_hw_control(adapter);
1853         }
1854
1855         msleep_interruptible(4 * 1000);
1856
1857         pm_runtime_put_sync(netdev->dev.parent);
1858 }
1859
1860 static void e1000_get_wol(struct net_device *netdev,
1861                           struct ethtool_wolinfo *wol)
1862 {
1863         struct e1000_adapter *adapter = netdev_priv(netdev);
1864
1865         wol->supported = 0;
1866         wol->wolopts = 0;
1867
1868         if (!(adapter->flags & FLAG_HAS_WOL) ||
1869             !device_can_wakeup(&adapter->pdev->dev))
1870                 return;
1871
1872         wol->supported = WAKE_UCAST | WAKE_MCAST |
1873             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1874
1875         /* apply any specific unsupported masks here */
1876         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1877                 wol->supported &= ~WAKE_UCAST;
1878
1879                 if (adapter->wol & E1000_WUFC_EX)
1880                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1881         }
1882
1883         if (adapter->wol & E1000_WUFC_EX)
1884                 wol->wolopts |= WAKE_UCAST;
1885         if (adapter->wol & E1000_WUFC_MC)
1886                 wol->wolopts |= WAKE_MCAST;
1887         if (adapter->wol & E1000_WUFC_BC)
1888                 wol->wolopts |= WAKE_BCAST;
1889         if (adapter->wol & E1000_WUFC_MAG)
1890                 wol->wolopts |= WAKE_MAGIC;
1891         if (adapter->wol & E1000_WUFC_LNKC)
1892                 wol->wolopts |= WAKE_PHY;
1893 }
1894
1895 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1896 {
1897         struct e1000_adapter *adapter = netdev_priv(netdev);
1898
1899         if (!(adapter->flags & FLAG_HAS_WOL) ||
1900             !device_can_wakeup(&adapter->pdev->dev) ||
1901             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1902                               WAKE_MAGIC | WAKE_PHY)))
1903                 return -EOPNOTSUPP;
1904
1905         /* these settings will always override what we currently have */
1906         adapter->wol = 0;
1907
1908         if (wol->wolopts & WAKE_UCAST)
1909                 adapter->wol |= E1000_WUFC_EX;
1910         if (wol->wolopts & WAKE_MCAST)
1911                 adapter->wol |= E1000_WUFC_MC;
1912         if (wol->wolopts & WAKE_BCAST)
1913                 adapter->wol |= E1000_WUFC_BC;
1914         if (wol->wolopts & WAKE_MAGIC)
1915                 adapter->wol |= E1000_WUFC_MAG;
1916         if (wol->wolopts & WAKE_PHY)
1917                 adapter->wol |= E1000_WUFC_LNKC;
1918
1919         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1920
1921         return 0;
1922 }
1923
1924 static int e1000_set_phys_id(struct net_device *netdev,
1925                              enum ethtool_phys_id_state state)
1926 {
1927         struct e1000_adapter *adapter = netdev_priv(netdev);
1928         struct e1000_hw *hw = &adapter->hw;
1929
1930         switch (state) {
1931         case ETHTOOL_ID_ACTIVE:
1932                 pm_runtime_get_sync(netdev->dev.parent);
1933
1934                 if (!hw->mac.ops.blink_led)
1935                         return 2;       /* cycle on/off twice per second */
1936
1937                 hw->mac.ops.blink_led(hw);
1938                 break;
1939
1940         case ETHTOOL_ID_INACTIVE:
1941                 if (hw->phy.type == e1000_phy_ife)
1942                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1943                 hw->mac.ops.led_off(hw);
1944                 hw->mac.ops.cleanup_led(hw);
1945                 pm_runtime_put_sync(netdev->dev.parent);
1946                 break;
1947
1948         case ETHTOOL_ID_ON:
1949                 hw->mac.ops.led_on(hw);
1950                 break;
1951
1952         case ETHTOOL_ID_OFF:
1953                 hw->mac.ops.led_off(hw);
1954                 break;
1955         }
1956
1957         return 0;
1958 }
1959
1960 static int e1000_get_coalesce(struct net_device *netdev,
1961                               struct ethtool_coalesce *ec)
1962 {
1963         struct e1000_adapter *adapter = netdev_priv(netdev);
1964
1965         if (adapter->itr_setting <= 4)
1966                 ec->rx_coalesce_usecs = adapter->itr_setting;
1967         else
1968                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1969
1970         return 0;
1971 }
1972
1973 static int e1000_set_coalesce(struct net_device *netdev,
1974                               struct ethtool_coalesce *ec)
1975 {
1976         struct e1000_adapter *adapter = netdev_priv(netdev);
1977
1978         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1979             ((ec->rx_coalesce_usecs > 4) &&
1980              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1981             (ec->rx_coalesce_usecs == 2))
1982                 return -EINVAL;
1983
1984         if (ec->rx_coalesce_usecs == 4) {
1985                 adapter->itr_setting = 4;
1986                 adapter->itr = adapter->itr_setting;
1987         } else if (ec->rx_coalesce_usecs <= 3) {
1988                 adapter->itr = 20000;
1989                 adapter->itr_setting = ec->rx_coalesce_usecs;
1990         } else {
1991                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1992                 adapter->itr_setting = adapter->itr & ~3;
1993         }
1994
1995         pm_runtime_get_sync(netdev->dev.parent);
1996
1997         if (adapter->itr_setting != 0)
1998                 e1000e_write_itr(adapter, adapter->itr);
1999         else
2000                 e1000e_write_itr(adapter, 0);
2001
2002         pm_runtime_put_sync(netdev->dev.parent);
2003
2004         return 0;
2005 }
2006
2007 static int e1000_nway_reset(struct net_device *netdev)
2008 {
2009         struct e1000_adapter *adapter = netdev_priv(netdev);
2010
2011         if (!netif_running(netdev))
2012                 return -EAGAIN;
2013
2014         if (!adapter->hw.mac.autoneg)
2015                 return -EINVAL;
2016
2017         pm_runtime_get_sync(netdev->dev.parent);
2018         e1000e_reinit_locked(adapter);
2019         pm_runtime_put_sync(netdev->dev.parent);
2020
2021         return 0;
2022 }
2023
2024 static void e1000_get_ethtool_stats(struct net_device *netdev,
2025                                     struct ethtool_stats __always_unused *stats,
2026                                     u64 *data)
2027 {
2028         struct e1000_adapter *adapter = netdev_priv(netdev);
2029         struct rtnl_link_stats64 net_stats;
2030         int i;
2031         char *p = NULL;
2032
2033         pm_runtime_get_sync(netdev->dev.parent);
2034
2035         e1000e_get_stats64(netdev, &net_stats);
2036
2037         pm_runtime_put_sync(netdev->dev.parent);
2038
2039         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2040                 switch (e1000_gstrings_stats[i].type) {
2041                 case NETDEV_STATS:
2042                         p = (char *)&net_stats +
2043                             e1000_gstrings_stats[i].stat_offset;
2044                         break;
2045                 case E1000_STATS:
2046                         p = (char *)adapter +
2047                             e1000_gstrings_stats[i].stat_offset;
2048                         break;
2049                 default:
2050                         data[i] = 0;
2051                         continue;
2052                 }
2053
2054                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2055                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2056         }
2057 }
2058
2059 static void e1000_get_strings(struct net_device __always_unused *netdev,
2060                               u32 stringset, u8 *data)
2061 {
2062         u8 *p = data;
2063         int i;
2064
2065         switch (stringset) {
2066         case ETH_SS_TEST:
2067                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2068                 break;
2069         case ETH_SS_STATS:
2070                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2071                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2072                                ETH_GSTRING_LEN);
2073                         p += ETH_GSTRING_LEN;
2074                 }
2075                 break;
2076         }
2077 }
2078
2079 static int e1000_get_rxnfc(struct net_device *netdev,
2080                            struct ethtool_rxnfc *info,
2081                            u32 __always_unused *rule_locs)
2082 {
2083         info->data = 0;
2084
2085         switch (info->cmd) {
2086         case ETHTOOL_GRXFH: {
2087                 struct e1000_adapter *adapter = netdev_priv(netdev);
2088                 struct e1000_hw *hw = &adapter->hw;
2089                 u32 mrqc;
2090
2091                 pm_runtime_get_sync(netdev->dev.parent);
2092                 mrqc = er32(MRQC);
2093                 pm_runtime_put_sync(netdev->dev.parent);
2094
2095                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2096                         return 0;
2097
2098                 switch (info->flow_type) {
2099                 case TCP_V4_FLOW:
2100                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2101                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2102                         /* fall through */
2103                 case UDP_V4_FLOW:
2104                 case SCTP_V4_FLOW:
2105                 case AH_ESP_V4_FLOW:
2106                 case IPV4_FLOW:
2107                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2108                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2109                         break;
2110                 case TCP_V6_FLOW:
2111                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2112                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2113                         /* fall through */
2114                 case UDP_V6_FLOW:
2115                 case SCTP_V6_FLOW:
2116                 case AH_ESP_V6_FLOW:
2117                 case IPV6_FLOW:
2118                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2119                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2120                         break;
2121                 default:
2122                         break;
2123                 }
2124                 return 0;
2125         }
2126         default:
2127                 return -EOPNOTSUPP;
2128         }
2129 }
2130
2131 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2132 {
2133         struct e1000_adapter *adapter = netdev_priv(netdev);
2134         struct e1000_hw *hw = &adapter->hw;
2135         u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2136         u32 ret_val;
2137
2138         if (!(adapter->flags2 & FLAG2_HAS_EEE))
2139                 return -EOPNOTSUPP;
2140
2141         switch (hw->phy.type) {
2142         case e1000_phy_82579:
2143                 cap_addr = I82579_EEE_CAPABILITY;
2144                 lpa_addr = I82579_EEE_LP_ABILITY;
2145                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2146                 break;
2147         case e1000_phy_i217:
2148                 cap_addr = I217_EEE_CAPABILITY;
2149                 lpa_addr = I217_EEE_LP_ABILITY;
2150                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2151                 break;
2152         default:
2153                 return -EOPNOTSUPP;
2154         }
2155
2156         pm_runtime_get_sync(netdev->dev.parent);
2157
2158         ret_val = hw->phy.ops.acquire(hw);
2159         if (ret_val) {
2160                 pm_runtime_put_sync(netdev->dev.parent);
2161                 return -EBUSY;
2162         }
2163
2164         /* EEE Capability */
2165         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2166         if (ret_val)
2167                 goto release;
2168         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2169
2170         /* EEE Advertised */
2171         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2172
2173         /* EEE Link Partner Advertised */
2174         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2175         if (ret_val)
2176                 goto release;
2177         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2178
2179         /* EEE PCS Status */
2180         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2181         if (ret_val)
2182                 goto release;
2183         if (hw->phy.type == e1000_phy_82579)
2184                 phy_data <<= 8;
2185
2186         /* Result of the EEE auto negotiation - there is no register that
2187          * has the status of the EEE negotiation so do a best-guess based
2188          * on whether Tx or Rx LPI indications have been received.
2189          */
2190         if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2191                 edata->eee_active = true;
2192
2193         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2194         edata->tx_lpi_enabled = true;
2195         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2196
2197 release:
2198         hw->phy.ops.release(hw);
2199         if (ret_val)
2200                 ret_val = -ENODATA;
2201
2202         pm_runtime_put_sync(netdev->dev.parent);
2203
2204         return ret_val;
2205 }
2206
2207 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2208 {
2209         struct e1000_adapter *adapter = netdev_priv(netdev);
2210         struct e1000_hw *hw = &adapter->hw;
2211         struct ethtool_eee eee_curr;
2212         s32 ret_val;
2213
2214         ret_val = e1000e_get_eee(netdev, &eee_curr);
2215         if (ret_val)
2216                 return ret_val;
2217
2218         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2219                 e_err("Setting EEE tx-lpi is not supported\n");
2220                 return -EINVAL;
2221         }
2222
2223         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2224                 e_err("Setting EEE Tx LPI timer is not supported\n");
2225                 return -EINVAL;
2226         }
2227
2228         if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2229                 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2230                 return -EINVAL;
2231         }
2232
2233         adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2234
2235         hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2236
2237         pm_runtime_get_sync(netdev->dev.parent);
2238
2239         /* reset the link */
2240         if (netif_running(netdev))
2241                 e1000e_reinit_locked(adapter);
2242         else
2243                 e1000e_reset(adapter);
2244
2245         pm_runtime_put_sync(netdev->dev.parent);
2246
2247         return 0;
2248 }
2249
2250 static int e1000e_get_ts_info(struct net_device *netdev,
2251                               struct ethtool_ts_info *info)
2252 {
2253         struct e1000_adapter *adapter = netdev_priv(netdev);
2254
2255         ethtool_op_get_ts_info(netdev, info);
2256
2257         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2258                 return 0;
2259
2260         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2261                                   SOF_TIMESTAMPING_RX_HARDWARE |
2262                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2263
2264         info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2265
2266         info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
2267                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2268                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2269                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2270                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2271                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2272                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2273                             (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2274                             (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2275                             (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2276                             (1 << HWTSTAMP_FILTER_ALL));
2277
2278         if (adapter->ptp_clock)
2279                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2280
2281         return 0;
2282 }
2283
2284 static const struct ethtool_ops e1000_ethtool_ops = {
2285         .get_settings           = e1000_get_settings,
2286         .set_settings           = e1000_set_settings,
2287         .get_drvinfo            = e1000_get_drvinfo,
2288         .get_regs_len           = e1000_get_regs_len,
2289         .get_regs               = e1000_get_regs,
2290         .get_wol                = e1000_get_wol,
2291         .set_wol                = e1000_set_wol,
2292         .get_msglevel           = e1000_get_msglevel,
2293         .set_msglevel           = e1000_set_msglevel,
2294         .nway_reset             = e1000_nway_reset,
2295         .get_link               = ethtool_op_get_link,
2296         .get_eeprom_len         = e1000_get_eeprom_len,
2297         .get_eeprom             = e1000_get_eeprom,
2298         .set_eeprom             = e1000_set_eeprom,
2299         .get_ringparam          = e1000_get_ringparam,
2300         .set_ringparam          = e1000_set_ringparam,
2301         .get_pauseparam         = e1000_get_pauseparam,
2302         .set_pauseparam         = e1000_set_pauseparam,
2303         .self_test              = e1000_diag_test,
2304         .get_strings            = e1000_get_strings,
2305         .set_phys_id            = e1000_set_phys_id,
2306         .get_ethtool_stats      = e1000_get_ethtool_stats,
2307         .get_sset_count         = e1000e_get_sset_count,
2308         .get_coalesce           = e1000_get_coalesce,
2309         .set_coalesce           = e1000_set_coalesce,
2310         .get_rxnfc              = e1000_get_rxnfc,
2311         .get_ts_info            = e1000e_get_ts_info,
2312         .get_eee                = e1000e_get_eee,
2313         .set_eee                = e1000e_set_eee,
2314 };
2315
2316 void e1000e_set_ethtool_ops(struct net_device *netdev)
2317 {
2318         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2319 }