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
 637         /* EEPROM image version # is reported as firmware version # for
 638          * PCI-E controllers
 639          */
 640         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 641                  "%d.%d-%d",
 642                  (adapter->eeprom_vers & 0xF000) >> 12,
 643                  (adapter->eeprom_vers & 0x0FF0) >> 4,
 644                  (adapter->eeprom_vers & 0x000F));
 645
 646         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 647                 sizeof(drvinfo->bus_info));
 648 }
 649
 650 static void e1000_get_ringparam(struct net_device *netdev,
 651                                 struct ethtool_ringparam *ring)
 652 {
 653         struct e1000_adapter *adapter = netdev_priv(netdev);
 654
 655         ring->rx_max_pending = E1000_MAX_RXD;
 656         ring->tx_max_pending = E1000_MAX_TXD;
 657         ring->rx_pending = adapter->rx_ring_count;
 658         ring->tx_pending = adapter->tx_ring_count;
 659 }
 660
 661 static int e1000_set_ringparam(struct net_device *netdev,
 662                                struct ethtool_ringparam *ring)
 663 {
 664         struct e1000_adapter *adapter = netdev_priv(netdev);
 665         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 666         int err = 0, size = sizeof(struct e1000_ring);
 667         bool set_tx = false, set_rx = false;
 668         u16 new_rx_count, new_tx_count;
 669
 670         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 671                 return -EINVAL;
 672
 673         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 674                                E1000_MAX_RXD);
 675         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 676
 677         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 678                                E1000_MAX_TXD);
 679         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 680
 681         if ((new_tx_count == adapter->tx_ring_count) &&
 682             (new_rx_count == adapter->rx_ring_count))
 683                 /* nothing to do */
 684                 return 0;
 685
 686         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 687                 usleep_range(1000, 2000);
 688
 689         if (!netif_running(adapter->netdev)) {
 690                 /* Set counts now and allocate resources during open() */
 691                 adapter->tx_ring->count = new_tx_count;
 692                 adapter->rx_ring->count = new_rx_count;
 693                 adapter->tx_ring_count = new_tx_count;
 694                 adapter->rx_ring_count = new_rx_count;
 695                 goto clear_reset;
 696         }
 697
 698         set_tx = (new_tx_count != adapter->tx_ring_count);
 699         set_rx = (new_rx_count != adapter->rx_ring_count);
 700
 701         /* Allocate temporary storage for ring updates */
 702         if (set_tx) {
 703                 temp_tx = vmalloc(size);
 704                 if (!temp_tx) {
 705                         err = -ENOMEM;
 706                         goto free_temp;
 707                 }
 708         }
 709         if (set_rx) {
 710                 temp_rx = vmalloc(size);
 711                 if (!temp_rx) {
 712                         err = -ENOMEM;
 713                         goto free_temp;
 714                 }
 715         }
 716
 717         pm_runtime_get_sync(netdev->dev.parent);
 718
 719         e1000e_down(adapter, true);
 720
 721         /* We can't just free everything and then setup again, because the
 722          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 723          * structs.  First, attempt to allocate new resources...
 724          */
 725         if (set_tx) {
 726                 memcpy(temp_tx, adapter->tx_ring, size);
 727                 temp_tx->count = new_tx_count;
 728                 err = e1000e_setup_tx_resources(temp_tx);
 729                 if (err)
 730                         goto err_setup;
 731         }
 732         if (set_rx) {
 733                 memcpy(temp_rx, adapter->rx_ring, size);
 734                 temp_rx->count = new_rx_count;
 735                 err = e1000e_setup_rx_resources(temp_rx);
 736                 if (err)
 737                         goto err_setup_rx;
 738         }
 739
 740         /* ...then free the old resources and copy back any new ring data */
 741         if (set_tx) {
 742                 e1000e_free_tx_resources(adapter->tx_ring);
 743                 memcpy(adapter->tx_ring, temp_tx, size);
 744                 adapter->tx_ring_count = new_tx_count;
 745         }
 746         if (set_rx) {
 747                 e1000e_free_rx_resources(adapter->rx_ring);
 748                 memcpy(adapter->rx_ring, temp_rx, size);
 749                 adapter->rx_ring_count = new_rx_count;
 750         }
 751
 752 err_setup_rx:
 753         if (err && set_tx)
 754                 e1000e_free_tx_resources(temp_tx);
 755 err_setup:
 756         e1000e_up(adapter);
 757         pm_runtime_put_sync(netdev->dev.parent);
 758 free_temp:
 759         vfree(temp_tx);
 760         vfree(temp_rx);
 761 clear_reset:
 762         clear_bit(__E1000_RESETTING, &adapter->state);
 763         return err;
 764 }
 765
 766 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 767                              int reg, int offset, u32 mask, u32 write)
 768 {
 769         u32 pat, val;
 770         static const u32 test[] = {
 771                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 772         };
 773         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 774                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 775                                       (test[pat] & write));
 776                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 777                 if (val != (test[pat] & write & mask)) {
 778                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 779                               reg + (offset << 2), val,
 780                               (test[pat] & write & mask));
 781                         *data = reg;
 782                         return true;
 783                 }
 784         }
 785         return false;
 786 }
 787
 788 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 789                               int reg, u32 mask, u32 write)
 790 {
 791         u32 val;
 792
 793         __ew32(&adapter->hw, reg, write & mask);
 794         val = __er32(&adapter->hw, reg);
 795         if ((write & mask) != (val & mask)) {
 796                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 797                       reg, (val & mask), (write & mask));
 798                 *data = reg;
 799                 return true;
 800         }
 801         return false;
 802 }
 803
 804 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 805         do {                                                                   \
 806                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 807                         return 1;                                              \
 808         } while (0)
 809 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 810         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 811
 812 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 813         do {                                                                   \
 814                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 815                         return 1;                                              \
 816         } while (0)
 817
 818 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 819 {
 820         struct e1000_hw *hw = &adapter->hw;
 821         struct e1000_mac_info *mac = &adapter->hw.mac;
 822         u32 value;
 823         u32 before;
 824         u32 after;
 825         u32 i;
 826         u32 toggle;
 827         u32 mask;
 828         u32 wlock_mac = 0;
 829
 830         /* The status register is Read Only, so a write should fail.
 831          * Some bits that get toggled are ignored.  There are several bits
 832          * on newer hardware that are r/w.
 833          */
 834         switch (mac->type) {
 835         case e1000_82571:
 836         case e1000_82572:
 837         case e1000_80003es2lan:
 838                 toggle = 0x7FFFF3FF;
 839                 break;
 840         default:
 841                 toggle = 0x7FFFF033;
 842                 break;
 843         }
 844
 845         before = er32(STATUS);
 846         value = (er32(STATUS) & toggle);
 847         ew32(STATUS, toggle);
 848         after = er32(STATUS) & toggle;
 849         if (value != after) {
 850                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 851                       after, value);
 852                 *data = 1;
 853                 return 1;
 854         }
 855         /* restore previous status */
 856         ew32(STATUS, before);
 857
 858         if (!(adapter->flags & FLAG_IS_ICH)) {
 859                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 860                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 861                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 862                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 863         }
 864
 865         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 866         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 867         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 868         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 869         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 870         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 871         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 872         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 873         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 874         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 875
 876         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 877
 878         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 879         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 880         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 881
 882         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 883         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 884         if (!(adapter->flags & FLAG_IS_ICH))
 885                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 886         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 887         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 888         mask = 0x8003FFFF;
 889         switch (mac->type) {
 890         case e1000_ich10lan:
 891         case e1000_pchlan:
 892         case e1000_pch2lan:
 893         case e1000_pch_lpt:
 894         case e1000_pch_spt:
 895         case e1000_pch_cnp:
 896         case e1000_pch_tgp:
 897         case e1000_pch_adp:
 898         case e1000_pch_mtp:
 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                         dev_kfree_skb(buffer_info->skb);
1130                 }
1131         }
1132
1133         if (rx_ring->desc && rx_ring->buffer_info) {
1134                 for (i = 0; i < rx_ring->count; i++) {
1135                         buffer_info = &rx_ring->buffer_info[i];
1136
1137                         if (buffer_info->dma)
1138                                 dma_unmap_single(&pdev->dev,
1139                                                  buffer_info->dma,
1140                                                  2048, DMA_FROM_DEVICE);
1141                         dev_kfree_skb(buffer_info->skb);
1142                 }
1143         }
1144
1145         if (tx_ring->desc) {
1146                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1147                                   tx_ring->dma);
1148                 tx_ring->desc = NULL;
1149         }
1150         if (rx_ring->desc) {
1151                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1152                                   rx_ring->dma);
1153                 rx_ring->desc = NULL;
1154         }
1155
1156         kfree(tx_ring->buffer_info);
1157         tx_ring->buffer_info = NULL;
1158         kfree(rx_ring->buffer_info);
1159         rx_ring->buffer_info = NULL;
1160 }
1161
1162 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1163 {
1164         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1165         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1166         struct pci_dev *pdev = adapter->pdev;
1167         struct e1000_hw *hw = &adapter->hw;
1168         u32 rctl;
1169         int i;
1170         int ret_val;
1171
1172         /* Setup Tx descriptor ring and Tx buffers */
1173
1174         if (!tx_ring->count)
1175                 tx_ring->count = E1000_DEFAULT_TXD;
1176
1177         tx_ring->buffer_info = kcalloc(tx_ring->count,
1178                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1179         if (!tx_ring->buffer_info) {
1180                 ret_val = 1;
1181                 goto err_nomem;
1182         }
1183
1184         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1185         tx_ring->size = ALIGN(tx_ring->size, 4096);
1186         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1187                                            &tx_ring->dma, GFP_KERNEL);
1188         if (!tx_ring->desc) {
1189                 ret_val = 2;
1190                 goto err_nomem;
1191         }
1192         tx_ring->next_to_use = 0;
1193         tx_ring->next_to_clean = 0;
1194
1195         ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1196         ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1197         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1198         ew32(TDH(0), 0);
1199         ew32(TDT(0), 0);
1200         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1201              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1202              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1203
1204         for (i = 0; i < tx_ring->count; i++) {
1205                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1206                 struct sk_buff *skb;
1207                 unsigned int skb_size = 1024;
1208
1209                 skb = alloc_skb(skb_size, GFP_KERNEL);
1210                 if (!skb) {
1211                         ret_val = 3;
1212                         goto err_nomem;
1213                 }
1214                 skb_put(skb, skb_size);
1215                 tx_ring->buffer_info[i].skb = skb;
1216                 tx_ring->buffer_info[i].length = skb->len;
1217                 tx_ring->buffer_info[i].dma =
1218                     dma_map_single(&pdev->dev, skb->data, skb->len,
1219                                    DMA_TO_DEVICE);
1220                 if (dma_mapping_error(&pdev->dev,
1221                                       tx_ring->buffer_info[i].dma)) {
1222                         ret_val = 4;
1223                         goto err_nomem;
1224                 }
1225                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1226                 tx_desc->lower.data = cpu_to_le32(skb->len);
1227                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1228                                                    E1000_TXD_CMD_IFCS |
1229                                                    E1000_TXD_CMD_RS);
1230                 tx_desc->upper.data = 0;
1231         }
1232
1233         /* Setup Rx descriptor ring and Rx buffers */
1234
1235         if (!rx_ring->count)
1236                 rx_ring->count = E1000_DEFAULT_RXD;
1237
1238         rx_ring->buffer_info = kcalloc(rx_ring->count,
1239                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1240         if (!rx_ring->buffer_info) {
1241                 ret_val = 5;
1242                 goto err_nomem;
1243         }
1244
1245         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1246         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1247                                            &rx_ring->dma, GFP_KERNEL);
1248         if (!rx_ring->desc) {
1249                 ret_val = 6;
1250                 goto err_nomem;
1251         }
1252         rx_ring->next_to_use = 0;
1253         rx_ring->next_to_clean = 0;
1254
1255         rctl = er32(RCTL);
1256         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1257                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1258         ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1259         ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1260         ew32(RDLEN(0), rx_ring->size);
1261         ew32(RDH(0), 0);
1262         ew32(RDT(0), 0);
1263         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1264             E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1265             E1000_RCTL_SBP | E1000_RCTL_SECRC |
1266             E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1267             (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1268         ew32(RCTL, rctl);
1269
1270         for (i = 0; i < rx_ring->count; i++) {
1271                 union e1000_rx_desc_extended *rx_desc;
1272                 struct sk_buff *skb;
1273
1274                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1275                 if (!skb) {
1276                         ret_val = 7;
1277                         goto err_nomem;
1278                 }
1279                 skb_reserve(skb, NET_IP_ALIGN);
1280                 rx_ring->buffer_info[i].skb = skb;
1281                 rx_ring->buffer_info[i].dma =
1282                     dma_map_single(&pdev->dev, skb->data, 2048,
1283                                    DMA_FROM_DEVICE);
1284                 if (dma_mapping_error(&pdev->dev,
1285                                       rx_ring->buffer_info[i].dma)) {
1286                         ret_val = 8;
1287                         goto err_nomem;
1288                 }
1289                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1290                 rx_desc->read.buffer_addr =
1291                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1292                 memset(skb->data, 0x00, skb->len);
1293         }
1294
1295         return 0;
1296
1297 err_nomem:
1298         e1000_free_desc_rings(adapter);
1299         return ret_val;
1300 }
1301
1302 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1303 {
1304         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1305         e1e_wphy(&adapter->hw, 29, 0x001F);
1306         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1307         e1e_wphy(&adapter->hw, 29, 0x001A);
1308         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1309 }
1310
1311 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1312 {
1313         struct e1000_hw *hw = &adapter->hw;
1314         u32 ctrl_reg = 0;
1315         u16 phy_reg = 0;
1316         s32 ret_val = 0;
1317
1318         hw->mac.autoneg = 0;
1319
1320         if (hw->phy.type == e1000_phy_ife) {
1321                 /* force 100, set loopback */
1322                 e1e_wphy(hw, MII_BMCR, 0x6100);
1323
1324                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1325                 ctrl_reg = er32(CTRL);
1326                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1327                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1328                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1329                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1330                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1331
1332                 ew32(CTRL, ctrl_reg);
1333                 e1e_flush();
1334                 usleep_range(500, 1000);
1335
1336                 return 0;
1337         }
1338
1339         /* Specific PHY configuration for loopback */
1340         switch (hw->phy.type) {
1341         case e1000_phy_m88:
1342                 /* Auto-MDI/MDIX Off */
1343                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1344                 /* reset to update Auto-MDI/MDIX */
1345                 e1e_wphy(hw, MII_BMCR, 0x9140);
1346                 /* autoneg off */
1347                 e1e_wphy(hw, MII_BMCR, 0x8140);
1348                 break;
1349         case e1000_phy_gg82563:
1350                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1351                 break;
1352         case e1000_phy_bm:
1353                 /* Set Default MAC Interface speed to 1GB */
1354                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1355                 phy_reg &= ~0x0007;
1356                 phy_reg |= 0x006;
1357                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1358                 /* Assert SW reset for above settings to take effect */
1359                 hw->phy.ops.commit(hw);
1360                 usleep_range(1000, 2000);
1361                 /* Force Full Duplex */
1362                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1363                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1364                 /* Set Link Up (in force link) */
1365                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1366                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1367                 /* Force Link */
1368                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1369                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1370                 /* Set Early Link Enable */
1371                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1372                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1373                 break;
1374         case e1000_phy_82577:
1375         case e1000_phy_82578:
1376                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1377                 ret_val = hw->phy.ops.acquire(hw);
1378                 if (ret_val) {
1379                         e_err("Cannot setup 1Gbps loopback.\n");
1380                         return ret_val;
1381                 }
1382                 e1000_configure_k1_ich8lan(hw, false);
1383                 hw->phy.ops.release(hw);
1384                 break;
1385         case e1000_phy_82579:
1386                 /* Disable PHY energy detect power down */
1387                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1388                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1389                 /* Disable full chip energy detect */
1390                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1391                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1392                 /* Enable loopback on the PHY */
1393                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1394                 break;
1395         default:
1396                 break;
1397         }
1398
1399         /* force 1000, set loopback */
1400         e1e_wphy(hw, MII_BMCR, 0x4140);
1401         msleep(250);
1402
1403         /* Now set up the MAC to the same speed/duplex as the PHY. */
1404         ctrl_reg = er32(CTRL);
1405         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1406         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1407                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1408                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1409                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1410
1411         if (adapter->flags & FLAG_IS_ICH)
1412                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1413
1414         if (hw->phy.media_type == e1000_media_type_copper &&
1415             hw->phy.type == e1000_phy_m88) {
1416                 ctrl_reg |= E1000_CTRL_ILOS;    /* Invert Loss of Signal */
1417         } else {
1418                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1419                  * detected.
1420                  */
1421                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1422                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1423         }
1424
1425         ew32(CTRL, ctrl_reg);
1426
1427         /* Disable the receiver on the PHY so when a cable is plugged in, the
1428          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1429          */
1430         if (hw->phy.type == e1000_phy_m88)
1431                 e1000_phy_disable_receiver(adapter);
1432
1433         usleep_range(500, 1000);
1434
1435         return 0;
1436 }
1437
1438 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1439 {
1440         struct e1000_hw *hw = &adapter->hw;
1441         u32 ctrl = er32(CTRL);
1442         int link;
1443
1444         /* special requirements for 82571/82572 fiber adapters */
1445
1446         /* jump through hoops to make sure link is up because serdes
1447          * link is hardwired up
1448          */
1449         ctrl |= E1000_CTRL_SLU;
1450         ew32(CTRL, ctrl);
1451
1452         /* disable autoneg */
1453         ctrl = er32(TXCW);
1454         ctrl &= ~BIT(31);
1455         ew32(TXCW, ctrl);
1456
1457         link = (er32(STATUS) & E1000_STATUS_LU);
1458
1459         if (!link) {
1460                 /* set invert loss of signal */
1461                 ctrl = er32(CTRL);
1462                 ctrl |= E1000_CTRL_ILOS;
1463                 ew32(CTRL, ctrl);
1464         }
1465
1466         /* special write to serdes control register to enable SerDes analog
1467          * loopback
1468          */
1469         ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1470         e1e_flush();
1471         usleep_range(10000, 11000);
1472
1473         return 0;
1474 }
1475
1476 /* only call this for fiber/serdes connections to es2lan */
1477 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1478 {
1479         struct e1000_hw *hw = &adapter->hw;
1480         u32 ctrlext = er32(CTRL_EXT);
1481         u32 ctrl = er32(CTRL);
1482
1483         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1484          * on mac_type 80003es2lan)
1485          */
1486         adapter->tx_fifo_head = ctrlext;
1487
1488         /* clear the serdes mode bits, putting the device into mac loopback */
1489         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1490         ew32(CTRL_EXT, ctrlext);
1491
1492         /* force speed to 1000/FD, link up */
1493         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1494         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1495                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1496         ew32(CTRL, ctrl);
1497
1498         /* set mac loopback */
1499         ctrl = er32(RCTL);
1500         ctrl |= E1000_RCTL_LBM_MAC;
1501         ew32(RCTL, ctrl);
1502
1503         /* set testing mode parameters (no need to reset later) */
1504 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1505 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1506         ew32(KMRNCTRLSTA,
1507              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1508
1509         return 0;
1510 }
1511
1512 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1513 {
1514         struct e1000_hw *hw = &adapter->hw;
1515         u32 rctl, fext_nvm11, tarc0;
1516
1517         if (hw->mac.type >= e1000_pch_spt) {
1518                 fext_nvm11 = er32(FEXTNVM11);
1519                 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1520                 ew32(FEXTNVM11, fext_nvm11);
1521                 tarc0 = er32(TARC(0));
1522                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1523                 tarc0 &= 0xcfffffff;
1524                 /* set bit 29 (value of MULR requests is now 2) */
1525                 tarc0 |= 0x20000000;
1526                 ew32(TARC(0), tarc0);
1527         }
1528         if (hw->phy.media_type == e1000_media_type_fiber ||
1529             hw->phy.media_type == e1000_media_type_internal_serdes) {
1530                 switch (hw->mac.type) {
1531                 case e1000_80003es2lan:
1532                         return e1000_set_es2lan_mac_loopback(adapter);
1533                 case e1000_82571:
1534                 case e1000_82572:
1535                         return e1000_set_82571_fiber_loopback(adapter);
1536                 default:
1537                         rctl = er32(RCTL);
1538                         rctl |= E1000_RCTL_LBM_TCVR;
1539                         ew32(RCTL, rctl);
1540                         return 0;
1541                 }
1542         } else if (hw->phy.media_type == e1000_media_type_copper) {
1543                 return e1000_integrated_phy_loopback(adapter);
1544         }
1545
1546         return 7;
1547 }
1548
1549 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1550 {
1551         struct e1000_hw *hw = &adapter->hw;
1552         u32 rctl, fext_nvm11, tarc0;
1553         u16 phy_reg;
1554
1555         rctl = er32(RCTL);
1556         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1557         ew32(RCTL, rctl);
1558
1559         switch (hw->mac.type) {
1560         case e1000_pch_spt:
1561         case e1000_pch_cnp:
1562         case e1000_pch_tgp:
1563         case e1000_pch_adp:
1564         case e1000_pch_mtp:
1565                 fext_nvm11 = er32(FEXTNVM11);
1566                 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1567                 ew32(FEXTNVM11, fext_nvm11);
1568                 tarc0 = er32(TARC(0));
1569                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1570                 /* set bit 29 (value of MULR requests is now 0) */
1571                 tarc0 &= 0xcfffffff;
1572                 ew32(TARC(0), tarc0);
1573                 fallthrough;
1574         case e1000_80003es2lan:
1575                 if (hw->phy.media_type == e1000_media_type_fiber ||
1576                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1577                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1578                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1579                         adapter->tx_fifo_head = 0;
1580                 }
1581                 fallthrough;
1582         case e1000_82571:
1583         case e1000_82572:
1584                 if (hw->phy.media_type == e1000_media_type_fiber ||
1585                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1586                         ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1587                         e1e_flush();
1588                         usleep_range(10000, 11000);
1589                         break;
1590                 }
1591                 fallthrough;
1592         default:
1593                 hw->mac.autoneg = 1;
1594                 if (hw->phy.type == e1000_phy_gg82563)
1595                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1596                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1597                 if (phy_reg & BMCR_LOOPBACK) {
1598                         phy_reg &= ~BMCR_LOOPBACK;
1599                         e1e_wphy(hw, MII_BMCR, phy_reg);
1600                         if (hw->phy.ops.commit)
1601                                 hw->phy.ops.commit(hw);
1602                 }
1603                 break;
1604         }
1605 }
1606
1607 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1608                                       unsigned int frame_size)
1609 {
1610         memset(skb->data, 0xFF, frame_size);
1611         frame_size &= ~1;
1612         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1613         skb->data[frame_size / 2 + 10] = 0xBE;
1614         skb->data[frame_size / 2 + 12] = 0xAF;
1615 }
1616
1617 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1618                                     unsigned int frame_size)
1619 {
1620         frame_size &= ~1;
1621         if (*(skb->data + 3) == 0xFF)
1622                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1623                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
1624                         return 0;
1625         return 13;
1626 }
1627
1628 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1629 {
1630         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1631         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1632         struct pci_dev *pdev = adapter->pdev;
1633         struct e1000_hw *hw = &adapter->hw;
1634         struct e1000_buffer *buffer_info;
1635         int i, j, k, l;
1636         int lc;
1637         int good_cnt;
1638         int ret_val = 0;
1639         unsigned long time;
1640
1641         ew32(RDT(0), rx_ring->count - 1);
1642
1643         /* Calculate the loop count based on the largest descriptor ring
1644          * The idea is to wrap the largest ring a number of times using 64
1645          * send/receive pairs during each loop
1646          */
1647
1648         if (rx_ring->count <= tx_ring->count)
1649                 lc = ((tx_ring->count / 64) * 2) + 1;
1650         else
1651                 lc = ((rx_ring->count / 64) * 2) + 1;
1652
1653         k = 0;
1654         l = 0;
1655         /* loop count loop */
1656         for (j = 0; j <= lc; j++) {
1657                 /* send the packets */
1658                 for (i = 0; i < 64; i++) {
1659                         buffer_info = &tx_ring->buffer_info[k];
1660
1661                         e1000_create_lbtest_frame(buffer_info->skb, 1024);
1662                         dma_sync_single_for_device(&pdev->dev,
1663                                                    buffer_info->dma,
1664                                                    buffer_info->length,
1665                                                    DMA_TO_DEVICE);
1666                         k++;
1667                         if (k == tx_ring->count)
1668                                 k = 0;
1669                 }
1670                 ew32(TDT(0), k);
1671                 e1e_flush();
1672                 msleep(200);
1673                 time = jiffies; /* set the start time for the receive */
1674                 good_cnt = 0;
1675                 /* receive the sent packets */
1676                 do {
1677                         buffer_info = &rx_ring->buffer_info[l];
1678
1679                         dma_sync_single_for_cpu(&pdev->dev,
1680                                                 buffer_info->dma, 2048,
1681                                                 DMA_FROM_DEVICE);
1682
1683                         ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1684                                                            1024);
1685                         if (!ret_val)
1686                                 good_cnt++;
1687                         l++;
1688                         if (l == rx_ring->count)
1689                                 l = 0;
1690                         /* time + 20 msecs (200 msecs on 2.4) is more than
1691                          * enough time to complete the receives, if it's
1692                          * exceeded, break and error off
1693                          */
1694                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1695                 if (good_cnt != 64) {
1696                         ret_val = 13;   /* ret_val is the same as mis-compare */
1697                         break;
1698                 }
1699                 if (time_after(jiffies, time + 20)) {
1700                         ret_val = 14;   /* error code for time out error */
1701                         break;
1702                 }
1703         }
1704         return ret_val;
1705 }
1706
1707 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1708 {
1709         struct e1000_hw *hw = &adapter->hw;
1710
1711         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1712         if (hw->phy.ops.check_reset_block &&
1713             hw->phy.ops.check_reset_block(hw)) {
1714                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1715                 *data = 0;
1716                 goto out;
1717         }
1718
1719         *data = e1000_setup_desc_rings(adapter);
1720         if (*data)
1721                 goto out;
1722
1723         *data = e1000_setup_loopback_test(adapter);
1724         if (*data)
1725                 goto err_loopback;
1726
1727         *data = e1000_run_loopback_test(adapter);
1728         e1000_loopback_cleanup(adapter);
1729
1730 err_loopback:
1731         e1000_free_desc_rings(adapter);
1732 out:
1733         return *data;
1734 }
1735
1736 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1737 {
1738         struct e1000_hw *hw = &adapter->hw;
1739
1740         *data = 0;
1741         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1742                 int i = 0;
1743
1744                 hw->mac.serdes_has_link = false;
1745
1746                 /* On some blade server designs, link establishment
1747                  * could take as long as 2-3 minutes
1748                  */
1749                 do {
1750                         hw->mac.ops.check_for_link(hw);
1751                         if (hw->mac.serdes_has_link)
1752                                 return *data;
1753                         msleep(20);
1754                 } while (i++ < 3750);
1755
1756                 *data = 1;
1757         } else {
1758                 hw->mac.ops.check_for_link(hw);
1759                 if (hw->mac.autoneg)
1760                         /* On some Phy/switch combinations, link establishment
1761                          * can take a few seconds more than expected.
1762                          */
1763                         msleep_interruptible(5000);
1764
1765                 if (!(er32(STATUS) & E1000_STATUS_LU))
1766                         *data = 1;
1767         }
1768         return *data;
1769 }
1770
1771 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1772                                  int sset)
1773 {
1774         switch (sset) {
1775         case ETH_SS_TEST:
1776                 return E1000_TEST_LEN;
1777         case ETH_SS_STATS:
1778                 return E1000_STATS_LEN;
1779         default:
1780                 return -EOPNOTSUPP;
1781         }
1782 }
1783
1784 static void e1000_diag_test(struct net_device *netdev,
1785                             struct ethtool_test *eth_test, u64 *data)
1786 {
1787         struct e1000_adapter *adapter = netdev_priv(netdev);
1788         u16 autoneg_advertised;
1789         u8 forced_speed_duplex;
1790         u8 autoneg;
1791         bool if_running = netif_running(netdev);
1792
1793         pm_runtime_get_sync(netdev->dev.parent);
1794
1795         set_bit(__E1000_TESTING, &adapter->state);
1796
1797         if (!if_running) {
1798                 /* Get control of and reset hardware */
1799                 if (adapter->flags & FLAG_HAS_AMT)
1800                         e1000e_get_hw_control(adapter);
1801
1802                 e1000e_power_up_phy(adapter);
1803
1804                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1805                 e1000e_reset(adapter);
1806                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1807         }
1808
1809         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1810                 /* Offline tests */
1811
1812                 /* save speed, duplex, autoneg settings */
1813                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1814                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1815                 autoneg = adapter->hw.mac.autoneg;
1816
1817                 e_info("offline testing starting\n");
1818
1819                 if (if_running)
1820                         /* indicate we're in test mode */
1821                         e1000e_close(netdev);
1822
1823                 if (e1000_reg_test(adapter, &data[0]))
1824                         eth_test->flags |= ETH_TEST_FL_FAILED;
1825
1826                 e1000e_reset(adapter);
1827                 if (e1000_eeprom_test(adapter, &data[1]))
1828                         eth_test->flags |= ETH_TEST_FL_FAILED;
1829
1830                 e1000e_reset(adapter);
1831                 if (e1000_intr_test(adapter, &data[2]))
1832                         eth_test->flags |= ETH_TEST_FL_FAILED;
1833
1834                 e1000e_reset(adapter);
1835                 if (e1000_loopback_test(adapter, &data[3]))
1836                         eth_test->flags |= ETH_TEST_FL_FAILED;
1837
1838                 /* force this routine to wait until autoneg complete/timeout */
1839                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1840                 e1000e_reset(adapter);
1841                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1842
1843                 if (e1000_link_test(adapter, &data[4]))
1844                         eth_test->flags |= ETH_TEST_FL_FAILED;
1845
1846                 /* restore speed, duplex, autoneg settings */
1847                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1848                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1849                 adapter->hw.mac.autoneg = autoneg;
1850                 e1000e_reset(adapter);
1851
1852                 clear_bit(__E1000_TESTING, &adapter->state);
1853                 if (if_running)
1854                         e1000e_open(netdev);
1855         } else {
1856                 /* Online tests */
1857
1858                 e_info("online testing starting\n");
1859
1860                 /* register, eeprom, intr and loopback tests not run online */
1861                 data[0] = 0;
1862                 data[1] = 0;
1863                 data[2] = 0;
1864                 data[3] = 0;
1865
1866                 if (e1000_link_test(adapter, &data[4]))
1867                         eth_test->flags |= ETH_TEST_FL_FAILED;
1868
1869                 clear_bit(__E1000_TESTING, &adapter->state);
1870         }
1871
1872         if (!if_running) {
1873                 e1000e_reset(adapter);
1874
1875                 if (adapter->flags & FLAG_HAS_AMT)
1876                         e1000e_release_hw_control(adapter);
1877         }
1878
1879         msleep_interruptible(4 * 1000);
1880
1881         pm_runtime_put_sync(netdev->dev.parent);
1882 }
1883
1884 static void e1000_get_wol(struct net_device *netdev,
1885                           struct ethtool_wolinfo *wol)
1886 {
1887         struct e1000_adapter *adapter = netdev_priv(netdev);
1888
1889         wol->supported = 0;
1890         wol->wolopts = 0;
1891
1892         if (!(adapter->flags & FLAG_HAS_WOL) ||
1893             !device_can_wakeup(&adapter->pdev->dev))
1894                 return;
1895
1896         wol->supported = WAKE_UCAST | WAKE_MCAST |
1897             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1898
1899         /* apply any specific unsupported masks here */
1900         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1901                 wol->supported &= ~WAKE_UCAST;
1902
1903                 if (adapter->wol & E1000_WUFC_EX)
1904                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1905         }
1906
1907         if (adapter->wol & E1000_WUFC_EX)
1908                 wol->wolopts |= WAKE_UCAST;
1909         if (adapter->wol & E1000_WUFC_MC)
1910                 wol->wolopts |= WAKE_MCAST;
1911         if (adapter->wol & E1000_WUFC_BC)
1912                 wol->wolopts |= WAKE_BCAST;
1913         if (adapter->wol & E1000_WUFC_MAG)
1914                 wol->wolopts |= WAKE_MAGIC;
1915         if (adapter->wol & E1000_WUFC_LNKC)
1916                 wol->wolopts |= WAKE_PHY;
1917 }
1918
1919 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1920 {
1921         struct e1000_adapter *adapter = netdev_priv(netdev);
1922
1923         if (!(adapter->flags & FLAG_HAS_WOL) ||
1924             !device_can_wakeup(&adapter->pdev->dev) ||
1925             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1926                               WAKE_MAGIC | WAKE_PHY)))
1927                 return -EOPNOTSUPP;
1928
1929         /* these settings will always override what we currently have */
1930         adapter->wol = 0;
1931
1932         if (wol->wolopts & WAKE_UCAST)
1933                 adapter->wol |= E1000_WUFC_EX;
1934         if (wol->wolopts & WAKE_MCAST)
1935                 adapter->wol |= E1000_WUFC_MC;
1936         if (wol->wolopts & WAKE_BCAST)
1937                 adapter->wol |= E1000_WUFC_BC;
1938         if (wol->wolopts & WAKE_MAGIC)
1939                 adapter->wol |= E1000_WUFC_MAG;
1940         if (wol->wolopts & WAKE_PHY)
1941                 adapter->wol |= E1000_WUFC_LNKC;
1942
1943         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1944
1945         return 0;
1946 }
1947
1948 static int e1000_set_phys_id(struct net_device *netdev,
1949                              enum ethtool_phys_id_state state)
1950 {
1951         struct e1000_adapter *adapter = netdev_priv(netdev);
1952         struct e1000_hw *hw = &adapter->hw;
1953
1954         switch (state) {
1955         case ETHTOOL_ID_ACTIVE:
1956                 pm_runtime_get_sync(netdev->dev.parent);
1957
1958                 if (!hw->mac.ops.blink_led)
1959                         return 2;       /* cycle on/off twice per second */
1960
1961                 hw->mac.ops.blink_led(hw);
1962                 break;
1963
1964         case ETHTOOL_ID_INACTIVE:
1965                 if (hw->phy.type == e1000_phy_ife)
1966                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1967                 hw->mac.ops.led_off(hw);
1968                 hw->mac.ops.cleanup_led(hw);
1969                 pm_runtime_put_sync(netdev->dev.parent);
1970                 break;
1971
1972         case ETHTOOL_ID_ON:
1973                 hw->mac.ops.led_on(hw);
1974                 break;
1975
1976         case ETHTOOL_ID_OFF:
1977                 hw->mac.ops.led_off(hw);
1978                 break;
1979         }
1980
1981         return 0;
1982 }
1983
1984 static int e1000_get_coalesce(struct net_device *netdev,
1985                               struct ethtool_coalesce *ec)
1986 {
1987         struct e1000_adapter *adapter = netdev_priv(netdev);
1988
1989         if (adapter->itr_setting <= 4)
1990                 ec->rx_coalesce_usecs = adapter->itr_setting;
1991         else
1992                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1993
1994         return 0;
1995 }
1996
1997 static int e1000_set_coalesce(struct net_device *netdev,
1998                               struct ethtool_coalesce *ec)
1999 {
2000         struct e1000_adapter *adapter = netdev_priv(netdev);
2001
2002         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2003             ((ec->rx_coalesce_usecs > 4) &&
2004              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2005             (ec->rx_coalesce_usecs == 2))
2006                 return -EINVAL;
2007
2008         if (ec->rx_coalesce_usecs == 4) {
2009                 adapter->itr_setting = 4;
2010                 adapter->itr = adapter->itr_setting;
2011         } else if (ec->rx_coalesce_usecs <= 3) {
2012                 adapter->itr = 20000;
2013                 adapter->itr_setting = ec->rx_coalesce_usecs;
2014         } else {
2015                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2016                 adapter->itr_setting = adapter->itr & ~3;
2017         }
2018
2019         pm_runtime_get_sync(netdev->dev.parent);
2020
2021         if (adapter->itr_setting != 0)
2022                 e1000e_write_itr(adapter, adapter->itr);
2023         else
2024                 e1000e_write_itr(adapter, 0);
2025
2026         pm_runtime_put_sync(netdev->dev.parent);
2027
2028         return 0;
2029 }
2030
2031 static int e1000_nway_reset(struct net_device *netdev)
2032 {
2033         struct e1000_adapter *adapter = netdev_priv(netdev);
2034
2035         if (!netif_running(netdev))
2036                 return -EAGAIN;
2037
2038         if (!adapter->hw.mac.autoneg)
2039                 return -EINVAL;
2040
2041         pm_runtime_get_sync(netdev->dev.parent);
2042         e1000e_reinit_locked(adapter);
2043         pm_runtime_put_sync(netdev->dev.parent);
2044
2045         return 0;
2046 }
2047
2048 static void e1000_get_ethtool_stats(struct net_device *netdev,
2049                                     struct ethtool_stats __always_unused *stats,
2050                                     u64 *data)
2051 {
2052         struct e1000_adapter *adapter = netdev_priv(netdev);
2053         struct rtnl_link_stats64 net_stats;
2054         int i;
2055         char *p = NULL;
2056
2057         pm_runtime_get_sync(netdev->dev.parent);
2058
2059         dev_get_stats(netdev, &net_stats);
2060
2061         pm_runtime_put_sync(netdev->dev.parent);
2062
2063         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2064                 switch (e1000_gstrings_stats[i].type) {
2065                 case NETDEV_STATS:
2066                         p = (char *)&net_stats +
2067                             e1000_gstrings_stats[i].stat_offset;
2068                         break;
2069                 case E1000_STATS:
2070                         p = (char *)adapter +
2071                             e1000_gstrings_stats[i].stat_offset;
2072                         break;
2073                 default:
2074                         data[i] = 0;
2075                         continue;
2076                 }
2077
2078                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2079                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2080         }
2081 }
2082
2083 static void e1000_get_strings(struct net_device __always_unused *netdev,
2084                               u32 stringset, u8 *data)
2085 {
2086         u8 *p = data;
2087         int i;
2088
2089         switch (stringset) {
2090         case ETH_SS_TEST:
2091                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2092                 break;
2093         case ETH_SS_STATS:
2094                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2095                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2096                                ETH_GSTRING_LEN);
2097                         p += ETH_GSTRING_LEN;
2098                 }
2099                 break;
2100         }
2101 }
2102
2103 static int e1000_get_rxnfc(struct net_device *netdev,
2104                            struct ethtool_rxnfc *info,
2105                            u32 __always_unused *rule_locs)
2106 {
2107         info->data = 0;
2108
2109         switch (info->cmd) {
2110         case ETHTOOL_GRXFH: {
2111                 struct e1000_adapter *adapter = netdev_priv(netdev);
2112                 struct e1000_hw *hw = &adapter->hw;
2113                 u32 mrqc;
2114
2115                 pm_runtime_get_sync(netdev->dev.parent);
2116                 mrqc = er32(MRQC);
2117                 pm_runtime_put_sync(netdev->dev.parent);
2118
2119                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2120                         return 0;
2121
2122                 switch (info->flow_type) {
2123                 case TCP_V4_FLOW:
2124                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2125                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2126                         fallthrough;
2127                 case UDP_V4_FLOW:
2128                 case SCTP_V4_FLOW:
2129                 case AH_ESP_V4_FLOW:
2130                 case IPV4_FLOW:
2131                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2132                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2133                         break;
2134                 case TCP_V6_FLOW:
2135                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2136                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2137                         fallthrough;
2138                 case UDP_V6_FLOW:
2139                 case SCTP_V6_FLOW:
2140                 case AH_ESP_V6_FLOW:
2141                 case IPV6_FLOW:
2142                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2143                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2144                         break;
2145                 default:
2146                         break;
2147                 }
2148                 return 0;
2149         }
2150         default:
2151                 return -EOPNOTSUPP;
2152         }
2153 }
2154
2155 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2156 {
2157         struct e1000_adapter *adapter = netdev_priv(netdev);
2158         struct e1000_hw *hw = &adapter->hw;
2159         u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2160         u32 ret_val;
2161
2162         if (!(adapter->flags2 & FLAG2_HAS_EEE))
2163                 return -EOPNOTSUPP;
2164
2165         switch (hw->phy.type) {
2166         case e1000_phy_82579:
2167                 cap_addr = I82579_EEE_CAPABILITY;
2168                 lpa_addr = I82579_EEE_LP_ABILITY;
2169                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2170                 break;
2171         case e1000_phy_i217:
2172                 cap_addr = I217_EEE_CAPABILITY;
2173                 lpa_addr = I217_EEE_LP_ABILITY;
2174                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2175                 break;
2176         default:
2177                 return -EOPNOTSUPP;
2178         }
2179
2180         pm_runtime_get_sync(netdev->dev.parent);
2181
2182         ret_val = hw->phy.ops.acquire(hw);
2183         if (ret_val) {
2184                 pm_runtime_put_sync(netdev->dev.parent);
2185                 return -EBUSY;
2186         }
2187
2188         /* EEE Capability */
2189         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2190         if (ret_val)
2191                 goto release;
2192         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2193
2194         /* EEE Advertised */
2195         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2196
2197         /* EEE Link Partner Advertised */
2198         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2199         if (ret_val)
2200                 goto release;
2201         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2202
2203         /* EEE PCS Status */
2204         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2205         if (ret_val)
2206                 goto release;
2207         if (hw->phy.type == e1000_phy_82579)
2208                 phy_data <<= 8;
2209
2210         /* Result of the EEE auto negotiation - there is no register that
2211          * has the status of the EEE negotiation so do a best-guess based
2212          * on whether Tx or Rx LPI indications have been received.
2213          */
2214         if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2215                 edata->eee_active = true;
2216
2217         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2218         edata->tx_lpi_enabled = true;
2219         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2220
2221 release:
2222         hw->phy.ops.release(hw);
2223         if (ret_val)
2224                 ret_val = -ENODATA;
2225
2226         pm_runtime_put_sync(netdev->dev.parent);
2227
2228         return ret_val;
2229 }
2230
2231 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2232 {
2233         struct e1000_adapter *adapter = netdev_priv(netdev);
2234         struct e1000_hw *hw = &adapter->hw;
2235         struct ethtool_eee eee_curr;
2236         s32 ret_val;
2237
2238         ret_val = e1000e_get_eee(netdev, &eee_curr);
2239         if (ret_val)
2240                 return ret_val;
2241
2242         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2243                 e_err("Setting EEE tx-lpi is not supported\n");
2244                 return -EINVAL;
2245         }
2246
2247         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2248                 e_err("Setting EEE Tx LPI timer is not supported\n");
2249                 return -EINVAL;
2250         }
2251
2252         if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2253                 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2254                 return -EINVAL;
2255         }
2256
2257         adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2258
2259         hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2260
2261         pm_runtime_get_sync(netdev->dev.parent);
2262
2263         /* reset the link */
2264         if (netif_running(netdev))
2265                 e1000e_reinit_locked(adapter);
2266         else
2267                 e1000e_reset(adapter);
2268
2269         pm_runtime_put_sync(netdev->dev.parent);
2270
2271         return 0;
2272 }
2273
2274 static int e1000e_get_ts_info(struct net_device *netdev,
2275                               struct ethtool_ts_info *info)
2276 {
2277         struct e1000_adapter *adapter = netdev_priv(netdev);
2278
2279         ethtool_op_get_ts_info(netdev, info);
2280
2281         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2282                 return 0;
2283
2284         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2285                                   SOF_TIMESTAMPING_RX_HARDWARE |
2286                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2287
2288         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2289
2290         info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2291                             BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2292                             BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2293                             BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2294                             BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2295                             BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2296                             BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2297                             BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2298                             BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2299                             BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2300                             BIT(HWTSTAMP_FILTER_ALL));
2301
2302         if (adapter->ptp_clock)
2303                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2304
2305         return 0;
2306 }
2307
2308 static const struct ethtool_ops e1000_ethtool_ops = {
2309         .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
2310         .get_drvinfo            = e1000_get_drvinfo,
2311         .get_regs_len           = e1000_get_regs_len,
2312         .get_regs               = e1000_get_regs,
2313         .get_wol                = e1000_get_wol,
2314         .set_wol                = e1000_set_wol,
2315         .get_msglevel           = e1000_get_msglevel,
2316         .set_msglevel           = e1000_set_msglevel,
2317         .nway_reset             = e1000_nway_reset,
2318         .get_link               = ethtool_op_get_link,
2319         .get_eeprom_len         = e1000_get_eeprom_len,
2320         .get_eeprom             = e1000_get_eeprom,
2321         .set_eeprom             = e1000_set_eeprom,
2322         .get_ringparam          = e1000_get_ringparam,
2323         .set_ringparam          = e1000_set_ringparam,
2324         .get_pauseparam         = e1000_get_pauseparam,
2325         .set_pauseparam         = e1000_set_pauseparam,
2326         .self_test              = e1000_diag_test,
2327         .get_strings            = e1000_get_strings,
2328         .set_phys_id            = e1000_set_phys_id,
2329         .get_ethtool_stats      = e1000_get_ethtool_stats,
2330         .get_sset_count         = e1000e_get_sset_count,
2331         .get_coalesce           = e1000_get_coalesce,
2332         .set_coalesce           = e1000_set_coalesce,
2333         .get_rxnfc              = e1000_get_rxnfc,
2334         .get_ts_info            = e1000e_get_ts_info,
2335         .get_eee                = e1000e_get_eee,
2336         .set_eee                = e1000e_set_eee,
2337         .get_link_ksettings     = e1000_get_link_ksettings,
2338         .set_link_ksettings     = e1000_set_link_ksettings,
2339 };
2340
2341 void e1000e_set_ethtool_ops(struct net_device *netdev)
2342 {
2343         netdev->ethtool_ops = &e1000_ethtool_ops;
2344 }