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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
   3
   4 /* ethtool support for e1000 */
   5
   6 #include <linux/netdevice.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/ethtool.h>
   9 #include <linux/pci.h>
  10 #include <linux/slab.h>
  11 #include <linux/delay.h>
  12 #include <linux/vmalloc.h>
  13 #include <linux/pm_runtime.h>
  14
  15 #include "e1000.h"
  16
  17 enum { NETDEV_STATS, E1000_STATS };
  18
  19 struct e1000_stats {
  20         char stat_string[ETH_GSTRING_LEN];
  21         int type;
  22         int sizeof_stat;
  23         int stat_offset;
  24 };
  25
  26 #define E1000_STAT(str, m) { \
  27                 .stat_string = str, \
  28                 .type = E1000_STATS, \
  29                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  30                 .stat_offset = offsetof(struct e1000_adapter, m) }
  31 #define E1000_NETDEV_STAT(str, m) { \
  32                 .stat_string = str, \
  33                 .type = NETDEV_STATS, \
  34                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  35                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  36
  37 static const struct e1000_stats e1000_gstrings_stats[] = {
  38         E1000_STAT("rx_packets", stats.gprc),
  39         E1000_STAT("tx_packets", stats.gptc),
  40         E1000_STAT("rx_bytes", stats.gorc),
  41         E1000_STAT("tx_bytes", stats.gotc),
  42         E1000_STAT("rx_broadcast", stats.bprc),
  43         E1000_STAT("tx_broadcast", stats.bptc),
  44         E1000_STAT("rx_multicast", stats.mprc),
  45         E1000_STAT("tx_multicast", stats.mptc),
  46         E1000_NETDEV_STAT("rx_errors", rx_errors),
  47         E1000_NETDEV_STAT("tx_errors", tx_errors),
  48         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  49         E1000_STAT("multicast", stats.mprc),
  50         E1000_STAT("collisions", stats.colc),
  51         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  52         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  53         E1000_STAT("rx_crc_errors", stats.crcerrs),
  54         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  55         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  56         E1000_STAT("rx_missed_errors", stats.mpc),
  57         E1000_STAT("tx_aborted_errors", stats.ecol),
  58         E1000_STAT("tx_carrier_errors", stats.tncrs),
  59         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  60         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  61         E1000_STAT("tx_window_errors", stats.latecol),
  62         E1000_STAT("tx_abort_late_coll", stats.latecol),
  63         E1000_STAT("tx_deferred_ok", stats.dc),
  64         E1000_STAT("tx_single_coll_ok", stats.scc),
  65         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  66         E1000_STAT("tx_timeout_count", tx_timeout_count),
  67         E1000_STAT("tx_restart_queue", restart_queue),
  68         E1000_STAT("rx_long_length_errors", stats.roc),
  69         E1000_STAT("rx_short_length_errors", stats.ruc),
  70         E1000_STAT("rx_align_errors", stats.algnerrc),
  71         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  72         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  73         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  74         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  75         E1000_STAT("tx_flow_control_xon", stats.xontxc),
  76         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
  77         E1000_STAT("rx_csum_offload_good", hw_csum_good),
  78         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
  79         E1000_STAT("rx_header_split", rx_hdr_split),
  80         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
  81         E1000_STAT("tx_smbus", stats.mgptc),
  82         E1000_STAT("rx_smbus", stats.mgprc),
  83         E1000_STAT("dropped_smbus", stats.mgpdc),
  84         E1000_STAT("rx_dma_failed", rx_dma_failed),
  85         E1000_STAT("tx_dma_failed", tx_dma_failed),
  86         E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
  87         E1000_STAT("uncorr_ecc_errors", uncorr_errors),
  88         E1000_STAT("corr_ecc_errors", corr_errors),
  89         E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
  90         E1000_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
  91 };
  92
  93 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
  94 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
  95 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
  96         "Register test  (offline)", "Eeprom test    (offline)",
  97         "Interrupt test (offline)", "Loopback test  (offline)",
  98         "Link test   (on/offline)"
  99 };
 100
 101 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 102
 103 static int e1000_get_link_ksettings(struct net_device *netdev,
 104                                     struct ethtool_link_ksettings *cmd)
 105 {
 106         struct e1000_adapter *adapter = netdev_priv(netdev);
 107         struct e1000_hw *hw = &adapter->hw;
 108         u32 speed, supported, advertising;
 109
 110         if (hw->phy.media_type == e1000_media_type_copper) {
 111                 supported = (SUPPORTED_10baseT_Half |
 112                              SUPPORTED_10baseT_Full |
 113                              SUPPORTED_100baseT_Half |
 114                              SUPPORTED_100baseT_Full |
 115                              SUPPORTED_1000baseT_Full |
 116                              SUPPORTED_Autoneg |
 117                              SUPPORTED_TP);
 118                 if (hw->phy.type == e1000_phy_ife)
 119                         supported &= ~SUPPORTED_1000baseT_Full;
 120                 advertising = ADVERTISED_TP;
 121
 122                 if (hw->mac.autoneg == 1) {
 123                         advertising |= ADVERTISED_Autoneg;
 124                         /* the e1000 autoneg seems to match ethtool nicely */
 125                         advertising |= hw->phy.autoneg_advertised;
 126                 }
 127
 128                 cmd->base.port = PORT_TP;
 129                 cmd->base.phy_address = hw->phy.addr;
 130         } else {
 131                 supported   = (SUPPORTED_1000baseT_Full |
 132                                SUPPORTED_FIBRE |
 133                                SUPPORTED_Autoneg);
 134
 135                 advertising = (ADVERTISED_1000baseT_Full |
 136                                ADVERTISED_FIBRE |
 137                                ADVERTISED_Autoneg);
 138
 139                 cmd->base.port = PORT_FIBRE;
 140         }
 141
 142         speed = SPEED_UNKNOWN;
 143         cmd->base.duplex = DUPLEX_UNKNOWN;
 144
 145         if (netif_running(netdev)) {
 146                 if (netif_carrier_ok(netdev)) {
 147                         speed = adapter->link_speed;
 148                         cmd->base.duplex = adapter->link_duplex - 1;
 149                 }
 150         } else if (!pm_runtime_suspended(netdev->dev.parent)) {
 151                 u32 status = er32(STATUS);
 152
 153                 if (status & E1000_STATUS_LU) {
 154                         if (status & E1000_STATUS_SPEED_1000)
 155                                 speed = SPEED_1000;
 156                         else if (status & E1000_STATUS_SPEED_100)
 157                                 speed = SPEED_100;
 158                         else
 159                                 speed = SPEED_10;
 160
 161                         if (status & E1000_STATUS_FD)
 162                                 cmd->base.duplex = DUPLEX_FULL;
 163                         else
 164                                 cmd->base.duplex = DUPLEX_HALF;
 165                 }
 166         }
 167
 168         cmd->base.speed = speed;
 169         cmd->base.autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 170                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 171
 172         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 173         if ((hw->phy.media_type == e1000_media_type_copper) &&
 174             netif_carrier_ok(netdev))
 175                 cmd->base.eth_tp_mdix = hw->phy.is_mdix ?
 176                         ETH_TP_MDI_X : ETH_TP_MDI;
 177         else
 178                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 179
 180         if (hw->phy.mdix == AUTO_ALL_MODES)
 181                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 182         else
 183                 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
 184
 185         if (hw->phy.media_type != e1000_media_type_copper)
 186                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 187
 188         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 189                                                 supported);
 190         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 191                                                 advertising);
 192
 193         return 0;
 194 }
 195
 196 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 197 {
 198         struct e1000_mac_info *mac = &adapter->hw.mac;
 199
 200         mac->autoneg = 0;
 201
 202         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 203          * for the switch() below to work
 204          */
 205         if ((spd & 1) || (dplx & ~1))
 206                 goto err_inval;
 207
 208         /* Fiber NICs only allow 1000 gbps Full duplex */
 209         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 210             (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
 211                 goto err_inval;
 212         }
 213
 214         switch (spd + dplx) {
 215         case SPEED_10 + DUPLEX_HALF:
 216                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 217                 break;
 218         case SPEED_10 + DUPLEX_FULL:
 219                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 220                 break;
 221         case SPEED_100 + DUPLEX_HALF:
 222                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 223                 break;
 224         case SPEED_100 + DUPLEX_FULL:
 225                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 226                 break;
 227         case SPEED_1000 + DUPLEX_FULL:
 228                 if (adapter->hw.phy.media_type == e1000_media_type_copper) {
 229                         mac->autoneg = 1;
 230                         adapter->hw.phy.autoneg_advertised =
 231                                 ADVERTISE_1000_FULL;
 232                 } else {
 233                         mac->forced_speed_duplex = ADVERTISE_1000_FULL;
 234                 }
 235                 break;
 236         case SPEED_1000 + DUPLEX_HALF:  /* not supported */
 237         default:
 238                 goto err_inval;
 239         }
 240
 241         /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 242         adapter->hw.phy.mdix = AUTO_ALL_MODES;
 243
 244         return 0;
 245
 246 err_inval:
 247         e_err("Unsupported Speed/Duplex configuration\n");
 248         return -EINVAL;
 249 }
 250
 251 static int e1000_set_link_ksettings(struct net_device *netdev,
 252                                     const struct ethtool_link_ksettings *cmd)
 253 {
 254         struct e1000_adapter *adapter = netdev_priv(netdev);
 255         struct e1000_hw *hw = &adapter->hw;
 256         int ret_val = 0;
 257         u32 advertising;
 258
 259         ethtool_convert_link_mode_to_legacy_u32(&advertising,
 260                                                 cmd->link_modes.advertising);
 261
 262         pm_runtime_get_sync(netdev->dev.parent);
 263
 264         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 265          * cannot be changed
 266          */
 267         if (hw->phy.ops.check_reset_block &&
 268             hw->phy.ops.check_reset_block(hw)) {
 269                 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 270                 ret_val = -EINVAL;
 271                 goto out;
 272         }
 273
 274         /* MDI setting is only allowed when autoneg enabled because
 275          * some hardware doesn't allow MDI setting when speed or
 276          * duplex is forced.
 277          */
 278         if (cmd->base.eth_tp_mdix_ctrl) {
 279                 if (hw->phy.media_type != e1000_media_type_copper) {
 280                         ret_val = -EOPNOTSUPP;
 281                         goto out;
 282                 }
 283
 284                 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 285                     (cmd->base.autoneg != AUTONEG_ENABLE)) {
 286                         e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 287                         ret_val = -EINVAL;
 288                         goto out;
 289                 }
 290         }
 291
 292         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 293                 usleep_range(1000, 2000);
 294
 295         if (cmd->base.autoneg == AUTONEG_ENABLE) {
 296                 hw->mac.autoneg = 1;
 297                 if (hw->phy.media_type == e1000_media_type_fiber)
 298                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 299                             ADVERTISED_FIBRE | ADVERTISED_Autoneg;
 300                 else
 301                         hw->phy.autoneg_advertised = advertising |
 302                             ADVERTISED_TP | ADVERTISED_Autoneg;
 303                 advertising = hw->phy.autoneg_advertised;
 304                 if (adapter->fc_autoneg)
 305                         hw->fc.requested_mode = e1000_fc_default;
 306         } else {
 307                 u32 speed = cmd->base.speed;
 308                 /* calling this overrides forced MDI setting */
 309                 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
 310                         ret_val = -EINVAL;
 311                         goto out;
 312                 }
 313         }
 314
 315         /* MDI-X => 2; MDI => 1; Auto => 3 */
 316         if (cmd->base.eth_tp_mdix_ctrl) {
 317                 /* fix up the value for auto (3 => 0) as zero is mapped
 318                  * internally to auto
 319                  */
 320                 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 321                         hw->phy.mdix = AUTO_ALL_MODES;
 322                 else
 323                         hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
 324         }
 325
 326         /* reset the link */
 327         if (netif_running(adapter->netdev)) {
 328                 e1000e_down(adapter, true);
 329                 e1000e_up(adapter);
 330         } else {
 331                 e1000e_reset(adapter);
 332         }
 333
 334 out:
 335         pm_runtime_put_sync(netdev->dev.parent);
 336         clear_bit(__E1000_RESETTING, &adapter->state);
 337         return ret_val;
 338 }
 339
 340 static void e1000_get_pauseparam(struct net_device *netdev,
 341                                  struct ethtool_pauseparam *pause)
 342 {
 343         struct e1000_adapter *adapter = netdev_priv(netdev);
 344         struct e1000_hw *hw = &adapter->hw;
 345
 346         pause->autoneg =
 347             (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 348
 349         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 350                 pause->rx_pause = 1;
 351         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 352                 pause->tx_pause = 1;
 353         } else if (hw->fc.current_mode == e1000_fc_full) {
 354                 pause->rx_pause = 1;
 355                 pause->tx_pause = 1;
 356         }
 357 }
 358
 359 static int e1000_set_pauseparam(struct net_device *netdev,
 360                                 struct ethtool_pauseparam *pause)
 361 {
 362         struct e1000_adapter *adapter = netdev_priv(netdev);
 363         struct e1000_hw *hw = &adapter->hw;
 364         int retval = 0;
 365
 366         adapter->fc_autoneg = pause->autoneg;
 367
 368         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 369                 usleep_range(1000, 2000);
 370
 371         pm_runtime_get_sync(netdev->dev.parent);
 372
 373         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 374                 hw->fc.requested_mode = e1000_fc_default;
 375                 if (netif_running(adapter->netdev)) {
 376                         e1000e_down(adapter, true);
 377                         e1000e_up(adapter);
 378                 } else {
 379                         e1000e_reset(adapter);
 380                 }
 381         } else {
 382                 if (pause->rx_pause && pause->tx_pause)
 383                         hw->fc.requested_mode = e1000_fc_full;
 384                 else if (pause->rx_pause && !pause->tx_pause)
 385                         hw->fc.requested_mode = e1000_fc_rx_pause;
 386                 else if (!pause->rx_pause && pause->tx_pause)
 387                         hw->fc.requested_mode = e1000_fc_tx_pause;
 388                 else if (!pause->rx_pause && !pause->tx_pause)
 389                         hw->fc.requested_mode = e1000_fc_none;
 390
 391                 hw->fc.current_mode = hw->fc.requested_mode;
 392
 393                 if (hw->phy.media_type == e1000_media_type_fiber) {
 394                         retval = hw->mac.ops.setup_link(hw);
 395                         /* implicit goto out */
 396                 } else {
 397                         retval = e1000e_force_mac_fc(hw);
 398                         if (retval)
 399                                 goto out;
 400                         e1000e_set_fc_watermarks(hw);
 401                 }
 402         }
 403
 404 out:
 405         pm_runtime_put_sync(netdev->dev.parent);
 406         clear_bit(__E1000_RESETTING, &adapter->state);
 407         return retval;
 408 }
 409
 410 static u32 e1000_get_msglevel(struct net_device *netdev)
 411 {
 412         struct e1000_adapter *adapter = netdev_priv(netdev);
 413         return adapter->msg_enable;
 414 }
 415
 416 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 417 {
 418         struct e1000_adapter *adapter = netdev_priv(netdev);
 419         adapter->msg_enable = data;
 420 }
 421
 422 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 423 {
 424 #define E1000_REGS_LEN 32       /* overestimate */
 425         return E1000_REGS_LEN * sizeof(u32);
 426 }
 427
 428 static void e1000_get_regs(struct net_device *netdev,
 429                            struct ethtool_regs *regs, void *p)
 430 {
 431         struct e1000_adapter *adapter = netdev_priv(netdev);
 432         struct e1000_hw *hw = &adapter->hw;
 433         u32 *regs_buff = p;
 434         u16 phy_data;
 435
 436         pm_runtime_get_sync(netdev->dev.parent);
 437
 438         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 439
 440         regs->version = (1u << 24) |
 441                         (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_array(last_word - first_word + 1, sizeof(u16),
 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 }
 651
 652 static void e1000_get_ringparam(struct net_device *netdev,
 653                                 struct ethtool_ringparam *ring)
 654 {
 655         struct e1000_adapter *adapter = netdev_priv(netdev);
 656
 657         ring->rx_max_pending = E1000_MAX_RXD;
 658         ring->tx_max_pending = E1000_MAX_TXD;
 659         ring->rx_pending = adapter->rx_ring_count;
 660         ring->tx_pending = adapter->tx_ring_count;
 661 }
 662
 663 static int e1000_set_ringparam(struct net_device *netdev,
 664                                struct ethtool_ringparam *ring)
 665 {
 666         struct e1000_adapter *adapter = netdev_priv(netdev);
 667         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 668         int err = 0, size = sizeof(struct e1000_ring);
 669         bool set_tx = false, set_rx = false;
 670         u16 new_rx_count, new_tx_count;
 671
 672         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 673                 return -EINVAL;
 674
 675         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 676                                E1000_MAX_RXD);
 677         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 678
 679         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 680                                E1000_MAX_TXD);
 681         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 682
 683         if ((new_tx_count == adapter->tx_ring_count) &&
 684             (new_rx_count == adapter->rx_ring_count))
 685                 /* nothing to do */
 686                 return 0;
 687
 688         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 689                 usleep_range(1000, 2000);
 690
 691         if (!netif_running(adapter->netdev)) {
 692                 /* Set counts now and allocate resources during open() */
 693                 adapter->tx_ring->count = new_tx_count;
 694                 adapter->rx_ring->count = new_rx_count;
 695                 adapter->tx_ring_count = new_tx_count;
 696                 adapter->rx_ring_count = new_rx_count;
 697                 goto clear_reset;
 698         }
 699
 700         set_tx = (new_tx_count != adapter->tx_ring_count);
 701         set_rx = (new_rx_count != adapter->rx_ring_count);
 702
 703         /* Allocate temporary storage for ring updates */
 704         if (set_tx) {
 705                 temp_tx = vmalloc(size);
 706                 if (!temp_tx) {
 707                         err = -ENOMEM;
 708                         goto free_temp;
 709                 }
 710         }
 711         if (set_rx) {
 712                 temp_rx = vmalloc(size);
 713                 if (!temp_rx) {
 714                         err = -ENOMEM;
 715                         goto free_temp;
 716                 }
 717         }
 718
 719         pm_runtime_get_sync(netdev->dev.parent);
 720
 721         e1000e_down(adapter, true);
 722
 723         /* We can't just free everything and then setup again, because the
 724          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 725          * structs.  First, attempt to allocate new resources...
 726          */
 727         if (set_tx) {
 728                 memcpy(temp_tx, adapter->tx_ring, size);
 729                 temp_tx->count = new_tx_count;
 730                 err = e1000e_setup_tx_resources(temp_tx);
 731                 if (err)
 732                         goto err_setup;
 733         }
 734         if (set_rx) {
 735                 memcpy(temp_rx, adapter->rx_ring, size);
 736                 temp_rx->count = new_rx_count;
 737                 err = e1000e_setup_rx_resources(temp_rx);
 738                 if (err)
 739                         goto err_setup_rx;
 740         }
 741
 742         /* ...then free the old resources and copy back any new ring data */
 743         if (set_tx) {
 744                 e1000e_free_tx_resources(adapter->tx_ring);
 745                 memcpy(adapter->tx_ring, temp_tx, size);
 746                 adapter->tx_ring_count = new_tx_count;
 747         }
 748         if (set_rx) {
 749                 e1000e_free_rx_resources(adapter->rx_ring);
 750                 memcpy(adapter->rx_ring, temp_rx, size);
 751                 adapter->rx_ring_count = new_rx_count;
 752         }
 753
 754 err_setup_rx:
 755         if (err && set_tx)
 756                 e1000e_free_tx_resources(temp_tx);
 757 err_setup:
 758         e1000e_up(adapter);
 759         pm_runtime_put_sync(netdev->dev.parent);
 760 free_temp:
 761         vfree(temp_tx);
 762         vfree(temp_rx);
 763 clear_reset:
 764         clear_bit(__E1000_RESETTING, &adapter->state);
 765         return err;
 766 }
 767
 768 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 769                              int reg, int offset, u32 mask, u32 write)
 770 {
 771         u32 pat, val;
 772         static const u32 test[] = {
 773                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 774         };
 775         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 776                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 777                                       (test[pat] & write));
 778                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 779                 if (val != (test[pat] & write & mask)) {
 780                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 781                               reg + (offset << 2), val,
 782                               (test[pat] & write & mask));
 783                         *data = reg;
 784                         return true;
 785                 }
 786         }
 787         return false;
 788 }
 789
 790 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 791                               int reg, u32 mask, u32 write)
 792 {
 793         u32 val;
 794
 795         __ew32(&adapter->hw, reg, write & mask);
 796         val = __er32(&adapter->hw, reg);
 797         if ((write & mask) != (val & mask)) {
 798                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 799                       reg, (val & mask), (write & mask));
 800                 *data = reg;
 801                 return true;
 802         }
 803         return false;
 804 }
 805
 806 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 807         do {                                                                   \
 808                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 809                         return 1;                                              \
 810         } while (0)
 811 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 812         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 813
 814 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 815         do {                                                                   \
 816                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 817                         return 1;                                              \
 818         } while (0)
 819
 820 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 821 {
 822         struct e1000_hw *hw = &adapter->hw;
 823         struct e1000_mac_info *mac = &adapter->hw.mac;
 824         u32 value;
 825         u32 before;
 826         u32 after;
 827         u32 i;
 828         u32 toggle;
 829         u32 mask;
 830         u32 wlock_mac = 0;
 831
 832         /* The status register is Read Only, so a write should fail.
 833          * Some bits that get toggled are ignored.  There are several bits
 834          * on newer hardware that are r/w.
 835          */
 836         switch (mac->type) {
 837         case e1000_82571:
 838         case e1000_82572:
 839         case e1000_80003es2lan:
 840                 toggle = 0x7FFFF3FF;
 841                 break;
 842         default:
 843                 toggle = 0x7FFFF033;
 844                 break;
 845         }
 846
 847         before = er32(STATUS);
 848         value = (er32(STATUS) & toggle);
 849         ew32(STATUS, toggle);
 850         after = er32(STATUS) & toggle;
 851         if (value != after) {
 852                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 853                       after, value);
 854                 *data = 1;
 855                 return 1;
 856         }
 857         /* restore previous status */
 858         ew32(STATUS, before);
 859
 860         if (!(adapter->flags & FLAG_IS_ICH)) {
 861                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 862                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 863                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 864                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 865         }
 866
 867         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 868         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 869         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 870         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 871         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 872         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 873         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 874         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 875         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 876         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 877
 878         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 879
 880         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 881         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 882         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 883
 884         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 885         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 886         if (!(adapter->flags & FLAG_IS_ICH))
 887                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 888         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 889         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 890         mask = 0x8003FFFF;
 891         switch (mac->type) {
 892         case e1000_ich10lan:
 893         case e1000_pchlan:
 894         case e1000_pch2lan:
 895         case e1000_pch_lpt:
 896         case e1000_pch_spt:
 897                 /* fall through */
 898         case e1000_pch_cnp:
 899                 mask |= BIT(18);
 900                 break;
 901         default:
 902                 break;
 903         }
 904
 905         if (mac->type >= e1000_pch_lpt)
 906                 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 907                     E1000_FWSM_WLOCK_MAC_SHIFT;
 908
 909         for (i = 0; i < mac->rar_entry_count; i++) {
 910                 if (mac->type >= e1000_pch_lpt) {
 911                         /* Cannot test write-protected SHRAL[n] registers */
 912                         if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
 913                                 continue;
 914
 915                         /* SHRAH[9] different than the others */
 916                         if (i == 10)
 917                                 mask |= BIT(30);
 918                         else
 919                                 mask &= ~BIT(30);
 920                 }
 921                 if (mac->type == e1000_pch2lan) {
 922                         /* SHRAH[0,1,2] different than previous */
 923                         if (i == 1)
 924                                 mask &= 0xFFF4FFFF;
 925                         /* SHRAH[3] different than SHRAH[0,1,2] */
 926                         if (i == 4)
 927                                 mask |= BIT(30);
 928                         /* RAR[1-6] owned by management engine - skipping */
 929                         if (i > 0)
 930                                 i += 6;
 931                 }
 932
 933                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
 934                                        0xFFFFFFFF);
 935                 /* reset index to actual value */
 936                 if ((mac->type == e1000_pch2lan) && (i > 6))
 937                         i -= 6;
 938         }
 939
 940         for (i = 0; i < mac->mta_reg_count; i++)
 941                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 942
 943         *data = 0;
 944
 945         return 0;
 946 }
 947
 948 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 949 {
 950         u16 temp;
 951         u16 checksum = 0;
 952         u16 i;
 953
 954         *data = 0;
 955         /* Read and add up the contents of the EEPROM */
 956         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 957                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 958                         *data = 1;
 959                         return *data;
 960                 }
 961                 checksum += temp;
 962         }
 963
 964         /* If Checksum is not Correct return error else test passed */
 965         if ((checksum != (u16)NVM_SUM) && !(*data))
 966                 *data = 2;
 967
 968         return *data;
 969 }
 970
 971 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 972 {
 973         struct net_device *netdev = (struct net_device *)data;
 974         struct e1000_adapter *adapter = netdev_priv(netdev);
 975         struct e1000_hw *hw = &adapter->hw;
 976
 977         adapter->test_icr |= er32(ICR);
 978
 979         return IRQ_HANDLED;
 980 }
 981
 982 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 983 {
 984         struct net_device *netdev = adapter->netdev;
 985         struct e1000_hw *hw = &adapter->hw;
 986         u32 mask;
 987         u32 shared_int = 1;
 988         u32 irq = adapter->pdev->irq;
 989         int i;
 990         int ret_val = 0;
 991         int int_mode = E1000E_INT_MODE_LEGACY;
 992
 993         *data = 0;
 994
 995         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 996         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 997                 int_mode = adapter->int_mode;
 998                 e1000e_reset_interrupt_capability(adapter);
 999                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
1000                 e1000e_set_interrupt_capability(adapter);
1001         }
1002         /* Hook up test interrupt handler just for this test */
1003         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1004                          netdev)) {
1005                 shared_int = 0;
1006         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1007                                netdev)) {
1008                 *data = 1;
1009                 ret_val = -1;
1010                 goto out;
1011         }
1012         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1013
1014         /* Disable all the interrupts */
1015         ew32(IMC, 0xFFFFFFFF);
1016         e1e_flush();
1017         usleep_range(10000, 11000);
1018
1019         /* Test each interrupt */
1020         for (i = 0; i < 10; i++) {
1021                 /* Interrupt to test */
1022                 mask = BIT(i);
1023
1024                 if (adapter->flags & FLAG_IS_ICH) {
1025                         switch (mask) {
1026                         case E1000_ICR_RXSEQ:
1027                                 continue;
1028                         case 0x00000100:
1029                                 if (adapter->hw.mac.type == e1000_ich8lan ||
1030                                     adapter->hw.mac.type == e1000_ich9lan)
1031                                         continue;
1032                                 break;
1033                         default:
1034                                 break;
1035                         }
1036                 }
1037
1038                 if (!shared_int) {
1039                         /* Disable the interrupt to be reported in
1040                          * the cause register and then force the same
1041                          * interrupt and see if one gets posted.  If
1042                          * an interrupt was posted to the bus, the
1043                          * test failed.
1044                          */
1045                         adapter->test_icr = 0;
1046                         ew32(IMC, mask);
1047                         ew32(ICS, mask);
1048                         e1e_flush();
1049                         usleep_range(10000, 11000);
1050
1051                         if (adapter->test_icr & mask) {
1052                                 *data = 3;
1053                                 break;
1054                         }
1055                 }
1056
1057                 /* Enable the interrupt to be reported in
1058                  * the cause register and then force the same
1059                  * interrupt and see if one gets posted.  If
1060                  * an interrupt was not posted to the bus, the
1061                  * test failed.
1062                  */
1063                 adapter->test_icr = 0;
1064                 ew32(IMS, mask);
1065                 ew32(ICS, mask);
1066                 e1e_flush();
1067                 usleep_range(10000, 11000);
1068
1069                 if (!(adapter->test_icr & mask)) {
1070                         *data = 4;
1071                         break;
1072                 }
1073
1074                 if (!shared_int) {
1075                         /* Disable the other interrupts to be reported in
1076                          * the cause register and then force the other
1077                          * interrupts and see if any get posted.  If
1078                          * an interrupt was posted to the bus, the
1079                          * test failed.
1080                          */
1081                         adapter->test_icr = 0;
1082                         ew32(IMC, ~mask & 0x00007FFF);
1083                         ew32(ICS, ~mask & 0x00007FFF);
1084                         e1e_flush();
1085                         usleep_range(10000, 11000);
1086
1087                         if (adapter->test_icr) {
1088                                 *data = 5;
1089                                 break;
1090                         }
1091                 }
1092         }
1093
1094         /* Disable all the interrupts */
1095         ew32(IMC, 0xFFFFFFFF);
1096         e1e_flush();
1097         usleep_range(10000, 11000);
1098
1099         /* Unhook test interrupt handler */
1100         free_irq(irq, netdev);
1101
1102 out:
1103         if (int_mode == E1000E_INT_MODE_MSIX) {
1104                 e1000e_reset_interrupt_capability(adapter);
1105                 adapter->int_mode = int_mode;
1106                 e1000e_set_interrupt_capability(adapter);
1107         }
1108
1109         return ret_val;
1110 }
1111
1112 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1113 {
1114         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1115         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1116         struct pci_dev *pdev = adapter->pdev;
1117         struct e1000_buffer *buffer_info;
1118         int i;
1119
1120         if (tx_ring->desc && tx_ring->buffer_info) {
1121                 for (i = 0; i < tx_ring->count; i++) {
1122                         buffer_info = &tx_ring->buffer_info[i];
1123
1124                         if (buffer_info->dma)
1125                                 dma_unmap_single(&pdev->dev,
1126                                                  buffer_info->dma,
1127                                                  buffer_info->length,
1128                                                  DMA_TO_DEVICE);
1129                         if (buffer_info->skb)
1130                                 dev_kfree_skb(buffer_info->skb);
1131                 }
1132         }
1133
1134         if (rx_ring->desc && rx_ring->buffer_info) {
1135                 for (i = 0; i < rx_ring->count; i++) {
1136                         buffer_info = &rx_ring->buffer_info[i];
1137
1138                         if (buffer_info->dma)
1139                                 dma_unmap_single(&pdev->dev,
1140                                                  buffer_info->dma,
1141                                                  2048, DMA_FROM_DEVICE);
1142                         if (buffer_info->skb)
1143                                 dev_kfree_skb(buffer_info->skb);
1144                 }
1145         }
1146
1147         if (tx_ring->desc) {
1148                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1149                                   tx_ring->dma);
1150                 tx_ring->desc = NULL;
1151         }
1152         if (rx_ring->desc) {
1153                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1154                                   rx_ring->dma);
1155                 rx_ring->desc = NULL;
1156         }
1157
1158         kfree(tx_ring->buffer_info);
1159         tx_ring->buffer_info = NULL;
1160         kfree(rx_ring->buffer_info);
1161         rx_ring->buffer_info = NULL;
1162 }
1163
1164 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1165 {
1166         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1167         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1168         struct pci_dev *pdev = adapter->pdev;
1169         struct e1000_hw *hw = &adapter->hw;
1170         u32 rctl;
1171         int i;
1172         int ret_val;
1173
1174         /* Setup Tx descriptor ring and Tx buffers */
1175
1176         if (!tx_ring->count)
1177                 tx_ring->count = E1000_DEFAULT_TXD;
1178
1179         tx_ring->buffer_info = kcalloc(tx_ring->count,
1180                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1181         if (!tx_ring->buffer_info) {
1182                 ret_val = 1;
1183                 goto err_nomem;
1184         }
1185
1186         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1187         tx_ring->size = ALIGN(tx_ring->size, 4096);
1188         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1189                                            &tx_ring->dma, GFP_KERNEL);
1190         if (!tx_ring->desc) {
1191                 ret_val = 2;
1192                 goto err_nomem;
1193         }
1194         tx_ring->next_to_use = 0;
1195         tx_ring->next_to_clean = 0;
1196
1197         ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1198         ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1199         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1200         ew32(TDH(0), 0);
1201         ew32(TDT(0), 0);
1202         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1203              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1204              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1205
1206         for (i = 0; i < tx_ring->count; i++) {
1207                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1208                 struct sk_buff *skb;
1209                 unsigned int skb_size = 1024;
1210
1211                 skb = alloc_skb(skb_size, GFP_KERNEL);
1212                 if (!skb) {
1213                         ret_val = 3;
1214                         goto err_nomem;
1215                 }
1216                 skb_put(skb, skb_size);
1217                 tx_ring->buffer_info[i].skb = skb;
1218                 tx_ring->buffer_info[i].length = skb->len;
1219                 tx_ring->buffer_info[i].dma =
1220                     dma_map_single(&pdev->dev, skb->data, skb->len,
1221                                    DMA_TO_DEVICE);
1222                 if (dma_mapping_error(&pdev->dev,
1223                                       tx_ring->buffer_info[i].dma)) {
1224                         ret_val = 4;
1225                         goto err_nomem;
1226                 }
1227                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1228                 tx_desc->lower.data = cpu_to_le32(skb->len);
1229                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1230                                                    E1000_TXD_CMD_IFCS |
1231                                                    E1000_TXD_CMD_RS);
1232                 tx_desc->upper.data = 0;
1233         }
1234
1235         /* Setup Rx descriptor ring and Rx buffers */
1236
1237         if (!rx_ring->count)
1238                 rx_ring->count = E1000_DEFAULT_RXD;
1239
1240         rx_ring->buffer_info = kcalloc(rx_ring->count,
1241                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1242         if (!rx_ring->buffer_info) {
1243                 ret_val = 5;
1244                 goto err_nomem;
1245         }
1246
1247         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1248         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1249                                            &rx_ring->dma, GFP_KERNEL);
1250         if (!rx_ring->desc) {
1251                 ret_val = 6;
1252                 goto err_nomem;
1253         }
1254         rx_ring->next_to_use = 0;
1255         rx_ring->next_to_clean = 0;
1256
1257         rctl = er32(RCTL);
1258         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1259                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1260         ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1261         ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1262         ew32(RDLEN(0), rx_ring->size);
1263         ew32(RDH(0), 0);
1264         ew32(RDT(0), 0);
1265         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1266             E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1267             E1000_RCTL_SBP | E1000_RCTL_SECRC |
1268             E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1269             (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1270         ew32(RCTL, rctl);
1271
1272         for (i = 0; i < rx_ring->count; i++) {
1273                 union e1000_rx_desc_extended *rx_desc;
1274                 struct sk_buff *skb;
1275
1276                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1277                 if (!skb) {
1278                         ret_val = 7;
1279                         goto err_nomem;
1280                 }
1281                 skb_reserve(skb, NET_IP_ALIGN);
1282                 rx_ring->buffer_info[i].skb = skb;
1283                 rx_ring->buffer_info[i].dma =
1284                     dma_map_single(&pdev->dev, skb->data, 2048,
1285                                    DMA_FROM_DEVICE);
1286                 if (dma_mapping_error(&pdev->dev,
1287                                       rx_ring->buffer_info[i].dma)) {
1288                         ret_val = 8;
1289                         goto err_nomem;
1290                 }
1291                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1292                 rx_desc->read.buffer_addr =
1293                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1294                 memset(skb->data, 0x00, skb->len);
1295         }
1296
1297         return 0;
1298
1299 err_nomem:
1300         e1000_free_desc_rings(adapter);
1301         return ret_val;
1302 }
1303
1304 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1305 {
1306         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1307         e1e_wphy(&adapter->hw, 29, 0x001F);
1308         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1309         e1e_wphy(&adapter->hw, 29, 0x001A);
1310         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1311 }
1312
1313 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1314 {
1315         struct e1000_hw *hw = &adapter->hw;
1316         u32 ctrl_reg = 0;
1317         u16 phy_reg = 0;
1318         s32 ret_val = 0;
1319
1320         hw->mac.autoneg = 0;
1321
1322         if (hw->phy.type == e1000_phy_ife) {
1323                 /* force 100, set loopback */
1324                 e1e_wphy(hw, MII_BMCR, 0x6100);
1325
1326                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1327                 ctrl_reg = er32(CTRL);
1328                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1329                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1330                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1331                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1332                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1333
1334                 ew32(CTRL, ctrl_reg);
1335                 e1e_flush();
1336                 usleep_range(500, 1000);
1337
1338                 return 0;
1339         }
1340
1341         /* Specific PHY configuration for loopback */
1342         switch (hw->phy.type) {
1343         case e1000_phy_m88:
1344                 /* Auto-MDI/MDIX Off */
1345                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1346                 /* reset to update Auto-MDI/MDIX */
1347                 e1e_wphy(hw, MII_BMCR, 0x9140);
1348                 /* autoneg off */
1349                 e1e_wphy(hw, MII_BMCR, 0x8140);
1350                 break;
1351         case e1000_phy_gg82563:
1352                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1353                 break;
1354         case e1000_phy_bm:
1355                 /* Set Default MAC Interface speed to 1GB */
1356                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1357                 phy_reg &= ~0x0007;
1358                 phy_reg |= 0x006;
1359                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1360                 /* Assert SW reset for above settings to take effect */
1361                 hw->phy.ops.commit(hw);
1362                 usleep_range(1000, 2000);
1363                 /* Force Full Duplex */
1364                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1365                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1366                 /* Set Link Up (in force link) */
1367                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1368                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1369                 /* Force Link */
1370                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1371                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1372                 /* Set Early Link Enable */
1373                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1374                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1375                 break;
1376         case e1000_phy_82577:
1377         case e1000_phy_82578:
1378                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1379                 ret_val = hw->phy.ops.acquire(hw);
1380                 if (ret_val) {
1381                         e_err("Cannot setup 1Gbps loopback.\n");
1382                         return ret_val;
1383                 }
1384                 e1000_configure_k1_ich8lan(hw, false);
1385                 hw->phy.ops.release(hw);
1386                 break;
1387         case e1000_phy_82579:
1388                 /* Disable PHY energy detect power down */
1389                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1390                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1391                 /* Disable full chip energy detect */
1392                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1393                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1394                 /* Enable loopback on the PHY */
1395                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1396                 break;
1397         default:
1398                 break;
1399         }
1400
1401         /* force 1000, set loopback */
1402         e1e_wphy(hw, MII_BMCR, 0x4140);
1403         msleep(250);
1404
1405         /* Now set up the MAC to the same speed/duplex as the PHY. */
1406         ctrl_reg = er32(CTRL);
1407         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1408         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1409                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1410                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1411                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1412
1413         if (adapter->flags & FLAG_IS_ICH)
1414                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1415
1416         if (hw->phy.media_type == e1000_media_type_copper &&
1417             hw->phy.type == e1000_phy_m88) {
1418                 ctrl_reg |= E1000_CTRL_ILOS;    /* Invert Loss of Signal */
1419         } else {
1420                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1421                  * detected.
1422                  */
1423                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1424                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1425         }
1426
1427         ew32(CTRL, ctrl_reg);
1428
1429         /* Disable the receiver on the PHY so when a cable is plugged in, the
1430          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1431          */
1432         if (hw->phy.type == e1000_phy_m88)
1433                 e1000_phy_disable_receiver(adapter);
1434
1435         usleep_range(500, 1000);
1436
1437         return 0;
1438 }
1439
1440 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1441 {
1442         struct e1000_hw *hw = &adapter->hw;
1443         u32 ctrl = er32(CTRL);
1444         int link;
1445
1446         /* special requirements for 82571/82572 fiber adapters */
1447
1448         /* jump through hoops to make sure link is up because serdes
1449          * link is hardwired up
1450          */
1451         ctrl |= E1000_CTRL_SLU;
1452         ew32(CTRL, ctrl);
1453
1454         /* disable autoneg */
1455         ctrl = er32(TXCW);
1456         ctrl &= ~BIT(31);
1457         ew32(TXCW, ctrl);
1458
1459         link = (er32(STATUS) & E1000_STATUS_LU);
1460
1461         if (!link) {
1462                 /* set invert loss of signal */
1463                 ctrl = er32(CTRL);
1464                 ctrl |= E1000_CTRL_ILOS;
1465                 ew32(CTRL, ctrl);
1466         }
1467
1468         /* special write to serdes control register to enable SerDes analog
1469          * loopback
1470          */
1471         ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1472         e1e_flush();
1473         usleep_range(10000, 11000);
1474
1475         return 0;
1476 }
1477
1478 /* only call this for fiber/serdes connections to es2lan */
1479 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1480 {
1481         struct e1000_hw *hw = &adapter->hw;
1482         u32 ctrlext = er32(CTRL_EXT);
1483         u32 ctrl = er32(CTRL);
1484
1485         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1486          * on mac_type 80003es2lan)
1487          */
1488         adapter->tx_fifo_head = ctrlext;
1489
1490         /* clear the serdes mode bits, putting the device into mac loopback */
1491         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1492         ew32(CTRL_EXT, ctrlext);
1493
1494         /* force speed to 1000/FD, link up */
1495         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1496         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1497                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1498         ew32(CTRL, ctrl);
1499
1500         /* set mac loopback */
1501         ctrl = er32(RCTL);
1502         ctrl |= E1000_RCTL_LBM_MAC;
1503         ew32(RCTL, ctrl);
1504
1505         /* set testing mode parameters (no need to reset later) */
1506 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1507 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1508         ew32(KMRNCTRLSTA,
1509              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1510
1511         return 0;
1512 }
1513
1514 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1515 {
1516         struct e1000_hw *hw = &adapter->hw;
1517         u32 rctl, fext_nvm11, tarc0;
1518
1519         if (hw->mac.type >= e1000_pch_spt) {
1520                 fext_nvm11 = er32(FEXTNVM11);
1521                 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1522                 ew32(FEXTNVM11, fext_nvm11);
1523                 tarc0 = er32(TARC(0));
1524                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1525                 tarc0 &= 0xcfffffff;
1526                 /* set bit 29 (value of MULR requests is now 2) */
1527                 tarc0 |= 0x20000000;
1528                 ew32(TARC(0), tarc0);
1529         }
1530         if (hw->phy.media_type == e1000_media_type_fiber ||
1531             hw->phy.media_type == e1000_media_type_internal_serdes) {
1532                 switch (hw->mac.type) {
1533                 case e1000_80003es2lan:
1534                         return e1000_set_es2lan_mac_loopback(adapter);
1535                 case e1000_82571:
1536                 case e1000_82572:
1537                         return e1000_set_82571_fiber_loopback(adapter);
1538                 default:
1539                         rctl = er32(RCTL);
1540                         rctl |= E1000_RCTL_LBM_TCVR;
1541                         ew32(RCTL, rctl);
1542                         return 0;
1543                 }
1544         } else if (hw->phy.media_type == e1000_media_type_copper) {
1545                 return e1000_integrated_phy_loopback(adapter);
1546         }
1547
1548         return 7;
1549 }
1550
1551 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1552 {
1553         struct e1000_hw *hw = &adapter->hw;
1554         u32 rctl, fext_nvm11, tarc0;
1555         u16 phy_reg;
1556
1557         rctl = er32(RCTL);
1558         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1559         ew32(RCTL, rctl);
1560
1561         switch (hw->mac.type) {
1562         case e1000_pch_spt:
1563         case e1000_pch_cnp:
1564                 fext_nvm11 = er32(FEXTNVM11);
1565                 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1566                 ew32(FEXTNVM11, fext_nvm11);
1567                 tarc0 = er32(TARC(0));
1568                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1569                 /* set bit 29 (value of MULR requests is now 0) */
1570                 tarc0 &= 0xcfffffff;
1571                 ew32(TARC(0), tarc0);
1572                 /* fall through */
1573         case e1000_80003es2lan:
1574                 if (hw->phy.media_type == e1000_media_type_fiber ||
1575                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1576                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1577                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1578                         adapter->tx_fifo_head = 0;
1579                 }
1580                 /* fall through */
1581         case e1000_82571:
1582         case e1000_82572:
1583                 if (hw->phy.media_type == e1000_media_type_fiber ||
1584                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1585                         ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1586                         e1e_flush();
1587                         usleep_range(10000, 11000);
1588                         break;
1589                 }
1590                 /* Fall Through */
1591         default:
1592                 hw->mac.autoneg = 1;
1593                 if (hw->phy.type == e1000_phy_gg82563)
1594                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1595                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1596                 if (phy_reg & BMCR_LOOPBACK) {
1597                         phy_reg &= ~BMCR_LOOPBACK;
1598                         e1e_wphy(hw, MII_BMCR, phy_reg);
1599                         if (hw->phy.ops.commit)
1600                                 hw->phy.ops.commit(hw);
1601                 }
1602                 break;
1603         }
1604 }
1605
1606 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1607                                       unsigned int frame_size)
1608 {
1609         memset(skb->data, 0xFF, frame_size);
1610         frame_size &= ~1;
1611         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1612         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1613         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1614 }
1615
1616 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1617                                     unsigned int frame_size)
1618 {
1619         frame_size &= ~1;
1620         if (*(skb->data + 3) == 0xFF)
1621                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1622                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
1623                         return 0;
1624         return 13;
1625 }
1626
1627 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1628 {
1629         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1630         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1631         struct pci_dev *pdev = adapter->pdev;
1632         struct e1000_hw *hw = &adapter->hw;
1633         struct e1000_buffer *buffer_info;
1634         int i, j, k, l;
1635         int lc;
1636         int good_cnt;
1637         int ret_val = 0;
1638         unsigned long time;
1639
1640         ew32(RDT(0), rx_ring->count - 1);
1641
1642         /* Calculate the loop count based on the largest descriptor ring
1643          * The idea is to wrap the largest ring a number of times using 64
1644          * send/receive pairs during each loop
1645          */
1646
1647         if (rx_ring->count <= tx_ring->count)
1648                 lc = ((tx_ring->count / 64) * 2) + 1;
1649         else
1650                 lc = ((rx_ring->count / 64) * 2) + 1;
1651
1652         k = 0;
1653         l = 0;
1654         /* loop count loop */
1655         for (j = 0; j <= lc; j++) {
1656                 /* send the packets */
1657                 for (i = 0; i < 64; i++) {
1658                         buffer_info = &tx_ring->buffer_info[k];
1659
1660                         e1000_create_lbtest_frame(buffer_info->skb, 1024);
1661                         dma_sync_single_for_device(&pdev->dev,
1662                                                    buffer_info->dma,
1663                                                    buffer_info->length,
1664                                                    DMA_TO_DEVICE);
1665                         k++;
1666                         if (k == tx_ring->count)
1667                                 k = 0;
1668                 }
1669                 ew32(TDT(0), k);
1670                 e1e_flush();
1671                 msleep(200);
1672                 time = jiffies; /* set the start time for the receive */
1673                 good_cnt = 0;
1674                 /* receive the sent packets */
1675                 do {
1676                         buffer_info = &rx_ring->buffer_info[l];
1677
1678                         dma_sync_single_for_cpu(&pdev->dev,
1679                                                 buffer_info->dma, 2048,
1680                                                 DMA_FROM_DEVICE);
1681
1682                         ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1683                                                            1024);
1684                         if (!ret_val)
1685                                 good_cnt++;
1686                         l++;
1687                         if (l == rx_ring->count)
1688                                 l = 0;
1689                         /* time + 20 msecs (200 msecs on 2.4) is more than
1690                          * enough time to complete the receives, if it's
1691                          * exceeded, break and error off
1692                          */
1693                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1694                 if (good_cnt != 64) {
1695                         ret_val = 13;   /* ret_val is the same as mis-compare */
1696                         break;
1697                 }
1698                 if (time_after(jiffies, time + 20)) {
1699                         ret_val = 14;   /* error code for time out error */
1700                         break;
1701                 }
1702         }
1703         return ret_val;
1704 }
1705
1706 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1707 {
1708         struct e1000_hw *hw = &adapter->hw;
1709
1710         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1711         if (hw->phy.ops.check_reset_block &&
1712             hw->phy.ops.check_reset_block(hw)) {
1713                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1714                 *data = 0;
1715                 goto out;
1716         }
1717
1718         *data = e1000_setup_desc_rings(adapter);
1719         if (*data)
1720                 goto out;
1721
1722         *data = e1000_setup_loopback_test(adapter);
1723         if (*data)
1724                 goto err_loopback;
1725
1726         *data = e1000_run_loopback_test(adapter);
1727         e1000_loopback_cleanup(adapter);
1728
1729 err_loopback:
1730         e1000_free_desc_rings(adapter);
1731 out:
1732         return *data;
1733 }
1734
1735 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1736 {
1737         struct e1000_hw *hw = &adapter->hw;
1738
1739         *data = 0;
1740         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1741                 int i = 0;
1742
1743                 hw->mac.serdes_has_link = false;
1744
1745                 /* On some blade server designs, link establishment
1746                  * could take as long as 2-3 minutes
1747                  */
1748                 do {
1749                         hw->mac.ops.check_for_link(hw);
1750                         if (hw->mac.serdes_has_link)
1751                                 return *data;
1752                         msleep(20);
1753                 } while (i++ < 3750);
1754
1755                 *data = 1;
1756         } else {
1757                 hw->mac.ops.check_for_link(hw);
1758                 if (hw->mac.autoneg)
1759                         /* On some Phy/switch combinations, link establishment
1760                          * can take a few seconds more than expected.
1761                          */
1762                         msleep_interruptible(5000);
1763
1764                 if (!(er32(STATUS) & E1000_STATUS_LU))
1765                         *data = 1;
1766         }
1767         return *data;
1768 }
1769
1770 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1771                                  int sset)
1772 {
1773         switch (sset) {
1774         case ETH_SS_TEST:
1775                 return E1000_TEST_LEN;
1776         case ETH_SS_STATS:
1777                 return E1000_STATS_LEN;
1778         default:
1779                 return -EOPNOTSUPP;
1780         }
1781 }
1782
1783 static void e1000_diag_test(struct net_device *netdev,
1784                             struct ethtool_test *eth_test, u64 *data)
1785 {
1786         struct e1000_adapter *adapter = netdev_priv(netdev);
1787         u16 autoneg_advertised;
1788         u8 forced_speed_duplex;
1789         u8 autoneg;
1790         bool if_running = netif_running(netdev);
1791
1792         pm_runtime_get_sync(netdev->dev.parent);
1793
1794         set_bit(__E1000_TESTING, &adapter->state);
1795
1796         if (!if_running) {
1797                 /* Get control of and reset hardware */
1798                 if (adapter->flags & FLAG_HAS_AMT)
1799                         e1000e_get_hw_control(adapter);
1800
1801                 e1000e_power_up_phy(adapter);
1802
1803                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1804                 e1000e_reset(adapter);
1805                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1806         }
1807
1808         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1809                 /* Offline tests */
1810
1811                 /* save speed, duplex, autoneg settings */
1812                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1813                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1814                 autoneg = adapter->hw.mac.autoneg;
1815
1816                 e_info("offline testing starting\n");
1817
1818                 if (if_running)
1819                         /* indicate we're in test mode */
1820                         e1000e_close(netdev);
1821
1822                 if (e1000_reg_test(adapter, &data[0]))
1823                         eth_test->flags |= ETH_TEST_FL_FAILED;
1824
1825                 e1000e_reset(adapter);
1826                 if (e1000_eeprom_test(adapter, &data[1]))
1827                         eth_test->flags |= ETH_TEST_FL_FAILED;
1828
1829                 e1000e_reset(adapter);
1830                 if (e1000_intr_test(adapter, &data[2]))
1831                         eth_test->flags |= ETH_TEST_FL_FAILED;
1832
1833                 e1000e_reset(adapter);
1834                 if (e1000_loopback_test(adapter, &data[3]))
1835                         eth_test->flags |= ETH_TEST_FL_FAILED;
1836
1837                 /* force this routine to wait until autoneg complete/timeout */
1838                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1839                 e1000e_reset(adapter);
1840                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1841
1842                 if (e1000_link_test(adapter, &data[4]))
1843                         eth_test->flags |= ETH_TEST_FL_FAILED;
1844
1845                 /* restore speed, duplex, autoneg settings */
1846                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1847                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1848                 adapter->hw.mac.autoneg = autoneg;
1849                 e1000e_reset(adapter);
1850
1851                 clear_bit(__E1000_TESTING, &adapter->state);
1852                 if (if_running)
1853                         e1000e_open(netdev);
1854         } else {
1855                 /* Online tests */
1856
1857                 e_info("online testing starting\n");
1858
1859                 /* register, eeprom, intr and loopback tests not run online */
1860                 data[0] = 0;
1861                 data[1] = 0;
1862                 data[2] = 0;
1863                 data[3] = 0;
1864
1865                 if (e1000_link_test(adapter, &data[4]))
1866                         eth_test->flags |= ETH_TEST_FL_FAILED;
1867
1868                 clear_bit(__E1000_TESTING, &adapter->state);
1869         }
1870
1871         if (!if_running) {
1872                 e1000e_reset(adapter);
1873
1874                 if (adapter->flags & FLAG_HAS_AMT)
1875                         e1000e_release_hw_control(adapter);
1876         }
1877
1878         msleep_interruptible(4 * 1000);
1879
1880         pm_runtime_put_sync(netdev->dev.parent);
1881 }
1882
1883 static void e1000_get_wol(struct net_device *netdev,
1884                           struct ethtool_wolinfo *wol)
1885 {
1886         struct e1000_adapter *adapter = netdev_priv(netdev);
1887
1888         wol->supported = 0;
1889         wol->wolopts = 0;
1890
1891         if (!(adapter->flags & FLAG_HAS_WOL) ||
1892             !device_can_wakeup(&adapter->pdev->dev))
1893                 return;
1894
1895         wol->supported = WAKE_UCAST | WAKE_MCAST |
1896             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1897
1898         /* apply any specific unsupported masks here */
1899         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1900                 wol->supported &= ~WAKE_UCAST;
1901
1902                 if (adapter->wol & E1000_WUFC_EX)
1903                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1904         }
1905
1906         if (adapter->wol & E1000_WUFC_EX)
1907                 wol->wolopts |= WAKE_UCAST;
1908         if (adapter->wol & E1000_WUFC_MC)
1909                 wol->wolopts |= WAKE_MCAST;
1910         if (adapter->wol & E1000_WUFC_BC)
1911                 wol->wolopts |= WAKE_BCAST;
1912         if (adapter->wol & E1000_WUFC_MAG)
1913                 wol->wolopts |= WAKE_MAGIC;
1914         if (adapter->wol & E1000_WUFC_LNKC)
1915                 wol->wolopts |= WAKE_PHY;
1916 }
1917
1918 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1919 {
1920         struct e1000_adapter *adapter = netdev_priv(netdev);
1921
1922         if (!(adapter->flags & FLAG_HAS_WOL) ||
1923             !device_can_wakeup(&adapter->pdev->dev) ||
1924             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1925                               WAKE_MAGIC | WAKE_PHY)))
1926                 return -EOPNOTSUPP;
1927
1928         /* these settings will always override what we currently have */
1929         adapter->wol = 0;
1930
1931         if (wol->wolopts & WAKE_UCAST)
1932                 adapter->wol |= E1000_WUFC_EX;
1933         if (wol->wolopts & WAKE_MCAST)
1934                 adapter->wol |= E1000_WUFC_MC;
1935         if (wol->wolopts & WAKE_BCAST)
1936                 adapter->wol |= E1000_WUFC_BC;
1937         if (wol->wolopts & WAKE_MAGIC)
1938                 adapter->wol |= E1000_WUFC_MAG;
1939         if (wol->wolopts & WAKE_PHY)
1940                 adapter->wol |= E1000_WUFC_LNKC;
1941
1942         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1943
1944         return 0;
1945 }
1946
1947 static int e1000_set_phys_id(struct net_device *netdev,
1948                              enum ethtool_phys_id_state state)
1949 {
1950         struct e1000_adapter *adapter = netdev_priv(netdev);
1951         struct e1000_hw *hw = &adapter->hw;
1952
1953         switch (state) {
1954         case ETHTOOL_ID_ACTIVE:
1955                 pm_runtime_get_sync(netdev->dev.parent);
1956
1957                 if (!hw->mac.ops.blink_led)
1958                         return 2;       /* cycle on/off twice per second */
1959
1960                 hw->mac.ops.blink_led(hw);
1961                 break;
1962
1963         case ETHTOOL_ID_INACTIVE:
1964                 if (hw->phy.type == e1000_phy_ife)
1965                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1966                 hw->mac.ops.led_off(hw);
1967                 hw->mac.ops.cleanup_led(hw);
1968                 pm_runtime_put_sync(netdev->dev.parent);
1969                 break;
1970
1971         case ETHTOOL_ID_ON:
1972                 hw->mac.ops.led_on(hw);
1973                 break;
1974
1975         case ETHTOOL_ID_OFF:
1976                 hw->mac.ops.led_off(hw);
1977                 break;
1978         }
1979
1980         return 0;
1981 }
1982
1983 static int e1000_get_coalesce(struct net_device *netdev,
1984                               struct ethtool_coalesce *ec)
1985 {
1986         struct e1000_adapter *adapter = netdev_priv(netdev);
1987
1988         if (adapter->itr_setting <= 4)
1989                 ec->rx_coalesce_usecs = adapter->itr_setting;
1990         else
1991                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1992
1993         return 0;
1994 }
1995
1996 static int e1000_set_coalesce(struct net_device *netdev,
1997                               struct ethtool_coalesce *ec)
1998 {
1999         struct e1000_adapter *adapter = netdev_priv(netdev);
2000
2001         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2002             ((ec->rx_coalesce_usecs > 4) &&
2003              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2004             (ec->rx_coalesce_usecs == 2))
2005                 return -EINVAL;
2006
2007         if (ec->rx_coalesce_usecs == 4) {
2008                 adapter->itr_setting = 4;
2009                 adapter->itr = adapter->itr_setting;
2010         } else if (ec->rx_coalesce_usecs <= 3) {
2011                 adapter->itr = 20000;
2012                 adapter->itr_setting = ec->rx_coalesce_usecs;
2013         } else {
2014                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2015                 adapter->itr_setting = adapter->itr & ~3;
2016         }
2017
2018         pm_runtime_get_sync(netdev->dev.parent);
2019
2020         if (adapter->itr_setting != 0)
2021                 e1000e_write_itr(adapter, adapter->itr);
2022         else
2023                 e1000e_write_itr(adapter, 0);
2024
2025         pm_runtime_put_sync(netdev->dev.parent);
2026
2027         return 0;
2028 }
2029
2030 static int e1000_nway_reset(struct net_device *netdev)
2031 {
2032         struct e1000_adapter *adapter = netdev_priv(netdev);
2033
2034         if (!netif_running(netdev))
2035                 return -EAGAIN;
2036
2037         if (!adapter->hw.mac.autoneg)
2038                 return -EINVAL;
2039
2040         pm_runtime_get_sync(netdev->dev.parent);
2041         e1000e_reinit_locked(adapter);
2042         pm_runtime_put_sync(netdev->dev.parent);
2043
2044         return 0;
2045 }
2046
2047 static void e1000_get_ethtool_stats(struct net_device *netdev,
2048                                     struct ethtool_stats __always_unused *stats,
2049                                     u64 *data)
2050 {
2051         struct e1000_adapter *adapter = netdev_priv(netdev);
2052         struct rtnl_link_stats64 net_stats;
2053         int i;
2054         char *p = NULL;
2055
2056         pm_runtime_get_sync(netdev->dev.parent);
2057
2058         dev_get_stats(netdev, &net_stats);
2059
2060         pm_runtime_put_sync(netdev->dev.parent);
2061
2062         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2063                 switch (e1000_gstrings_stats[i].type) {
2064                 case NETDEV_STATS:
2065                         p = (char *)&net_stats +
2066                             e1000_gstrings_stats[i].stat_offset;
2067                         break;
2068                 case E1000_STATS:
2069                         p = (char *)adapter +
2070                             e1000_gstrings_stats[i].stat_offset;
2071                         break;
2072                 default:
2073                         data[i] = 0;
2074                         continue;
2075                 }
2076
2077                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2078                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2079         }
2080 }
2081
2082 static void e1000_get_strings(struct net_device __always_unused *netdev,
2083                               u32 stringset, u8 *data)
2084 {
2085         u8 *p = data;
2086         int i;
2087
2088         switch (stringset) {
2089         case ETH_SS_TEST:
2090                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2091                 break;
2092         case ETH_SS_STATS:
2093                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2094                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2095                                ETH_GSTRING_LEN);
2096                         p += ETH_GSTRING_LEN;
2097                 }
2098                 break;
2099         }
2100 }
2101
2102 static int e1000_get_rxnfc(struct net_device *netdev,
2103                            struct ethtool_rxnfc *info,
2104                            u32 __always_unused *rule_locs)
2105 {
2106         info->data = 0;
2107
2108         switch (info->cmd) {
2109         case ETHTOOL_GRXFH: {
2110                 struct e1000_adapter *adapter = netdev_priv(netdev);
2111                 struct e1000_hw *hw = &adapter->hw;
2112                 u32 mrqc;
2113
2114                 pm_runtime_get_sync(netdev->dev.parent);
2115                 mrqc = er32(MRQC);
2116                 pm_runtime_put_sync(netdev->dev.parent);
2117
2118                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2119                         return 0;
2120
2121                 switch (info->flow_type) {
2122                 case TCP_V4_FLOW:
2123                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2124                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2125                         /* fall through */
2126                 case UDP_V4_FLOW:
2127                 case SCTP_V4_FLOW:
2128                 case AH_ESP_V4_FLOW:
2129                 case IPV4_FLOW:
2130                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2131                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2132                         break;
2133                 case TCP_V6_FLOW:
2134                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2135                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2136                         /* fall through */
2137                 case UDP_V6_FLOW:
2138                 case SCTP_V6_FLOW:
2139                 case AH_ESP_V6_FLOW:
2140                 case IPV6_FLOW:
2141                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2142                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2143                         break;
2144                 default:
2145                         break;
2146                 }
2147                 return 0;
2148         }
2149         default:
2150                 return -EOPNOTSUPP;
2151         }
2152 }
2153
2154 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2155 {
2156         struct e1000_adapter *adapter = netdev_priv(netdev);
2157         struct e1000_hw *hw = &adapter->hw;
2158         u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2159         u32 ret_val;
2160
2161         if (!(adapter->flags2 & FLAG2_HAS_EEE))
2162                 return -EOPNOTSUPP;
2163
2164         switch (hw->phy.type) {
2165         case e1000_phy_82579:
2166                 cap_addr = I82579_EEE_CAPABILITY;
2167                 lpa_addr = I82579_EEE_LP_ABILITY;
2168                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2169                 break;
2170         case e1000_phy_i217:
2171                 cap_addr = I217_EEE_CAPABILITY;
2172                 lpa_addr = I217_EEE_LP_ABILITY;
2173                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2174                 break;
2175         default:
2176                 return -EOPNOTSUPP;
2177         }
2178
2179         pm_runtime_get_sync(netdev->dev.parent);
2180
2181         ret_val = hw->phy.ops.acquire(hw);
2182         if (ret_val) {
2183                 pm_runtime_put_sync(netdev->dev.parent);
2184                 return -EBUSY;
2185         }
2186
2187         /* EEE Capability */
2188         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2189         if (ret_val)
2190                 goto release;
2191         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2192
2193         /* EEE Advertised */
2194         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2195
2196         /* EEE Link Partner Advertised */
2197         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2198         if (ret_val)
2199                 goto release;
2200         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2201
2202         /* EEE PCS Status */
2203         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2204         if (ret_val)
2205                 goto release;
2206         if (hw->phy.type == e1000_phy_82579)
2207                 phy_data <<= 8;
2208
2209         /* Result of the EEE auto negotiation - there is no register that
2210          * has the status of the EEE negotiation so do a best-guess based
2211          * on whether Tx or Rx LPI indications have been received.
2212          */
2213         if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2214                 edata->eee_active = true;
2215
2216         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2217         edata->tx_lpi_enabled = true;
2218         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2219
2220 release:
2221         hw->phy.ops.release(hw);
2222         if (ret_val)
2223                 ret_val = -ENODATA;
2224
2225         pm_runtime_put_sync(netdev->dev.parent);
2226
2227         return ret_val;
2228 }
2229
2230 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2231 {
2232         struct e1000_adapter *adapter = netdev_priv(netdev);
2233         struct e1000_hw *hw = &adapter->hw;
2234         struct ethtool_eee eee_curr;
2235         s32 ret_val;
2236
2237         ret_val = e1000e_get_eee(netdev, &eee_curr);
2238         if (ret_val)
2239                 return ret_val;
2240
2241         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2242                 e_err("Setting EEE tx-lpi is not supported\n");
2243                 return -EINVAL;
2244         }
2245
2246         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2247                 e_err("Setting EEE Tx LPI timer is not supported\n");
2248                 return -EINVAL;
2249         }
2250
2251         if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2252                 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2253                 return -EINVAL;
2254         }
2255
2256         adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2257
2258         hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2259
2260         pm_runtime_get_sync(netdev->dev.parent);
2261
2262         /* reset the link */
2263         if (netif_running(netdev))
2264                 e1000e_reinit_locked(adapter);
2265         else
2266                 e1000e_reset(adapter);
2267
2268         pm_runtime_put_sync(netdev->dev.parent);
2269
2270         return 0;
2271 }
2272
2273 static int e1000e_get_ts_info(struct net_device *netdev,
2274                               struct ethtool_ts_info *info)
2275 {
2276         struct e1000_adapter *adapter = netdev_priv(netdev);
2277
2278         ethtool_op_get_ts_info(netdev, info);
2279
2280         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2281                 return 0;
2282
2283         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2284                                   SOF_TIMESTAMPING_RX_HARDWARE |
2285                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2286
2287         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2288
2289         info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2290                             BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2291                             BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2292                             BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2293                             BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2294                             BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2295                             BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2296                             BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2297                             BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2298                             BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2299                             BIT(HWTSTAMP_FILTER_ALL));
2300
2301         if (adapter->ptp_clock)
2302                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2303
2304         return 0;
2305 }
2306
2307 static const struct ethtool_ops e1000_ethtool_ops = {
2308         .get_drvinfo            = e1000_get_drvinfo,
2309         .get_regs_len           = e1000_get_regs_len,
2310         .get_regs               = e1000_get_regs,
2311         .get_wol                = e1000_get_wol,
2312         .set_wol                = e1000_set_wol,
2313         .get_msglevel           = e1000_get_msglevel,
2314         .set_msglevel           = e1000_set_msglevel,
2315         .nway_reset             = e1000_nway_reset,
2316         .get_link               = ethtool_op_get_link,
2317         .get_eeprom_len         = e1000_get_eeprom_len,
2318         .get_eeprom             = e1000_get_eeprom,
2319         .set_eeprom             = e1000_set_eeprom,
2320         .get_ringparam          = e1000_get_ringparam,
2321         .set_ringparam          = e1000_set_ringparam,
2322         .get_pauseparam         = e1000_get_pauseparam,
2323         .set_pauseparam         = e1000_set_pauseparam,
2324         .self_test              = e1000_diag_test,
2325         .get_strings            = e1000_get_strings,
2326         .set_phys_id            = e1000_set_phys_id,
2327         .get_ethtool_stats      = e1000_get_ethtool_stats,
2328         .get_sset_count         = e1000e_get_sset_count,
2329         .get_coalesce           = e1000_get_coalesce,
2330         .set_coalesce           = e1000_set_coalesce,
2331         .get_rxnfc              = e1000_get_rxnfc,
2332         .get_ts_info            = e1000e_get_ts_info,
2333         .get_eee                = e1000e_get_eee,
2334         .set_eee                = e1000e_set_eee,
2335         .get_link_ksettings     = e1000_get_link_ksettings,
2336         .set_link_ksettings     = e1000_set_link_ksettings,
2337 };
2338
2339 void e1000e_set_ethtool_ops(struct net_device *netdev)
2340 {
2341         netdev->ethtool_ops = &e1000_ethtool_ops;
2342 }