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

   1 /* Intel PRO/1000 Linux driver
   2  * Copyright(c) 1999 - 2015 Intel Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  *
  16  * Contact Information:
  17  * Linux NICS <linux.nics@intel.com>
  18  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  20  */
  21
  22 /* ethtool support for e1000 */
  23
  24 #include <linux/netdevice.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/ethtool.h>
  27 #include <linux/pci.h>
  28 #include <linux/slab.h>
  29 #include <linux/delay.h>
  30 #include <linux/vmalloc.h>
  31 #include <linux/pm_runtime.h>
  32
  33 #include "e1000.h"
  34
  35 enum { NETDEV_STATS, E1000_STATS };
  36
  37 struct e1000_stats {
  38         char stat_string[ETH_GSTRING_LEN];
  39         int type;
  40         int sizeof_stat;
  41         int stat_offset;
  42 };
  43
  44 #define E1000_STAT(str, m) { \
  45                 .stat_string = str, \
  46                 .type = E1000_STATS, \
  47                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  48                 .stat_offset = offsetof(struct e1000_adapter, m) }
  49 #define E1000_NETDEV_STAT(str, m) { \
  50                 .stat_string = str, \
  51                 .type = NETDEV_STATS, \
  52                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  53                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  54
  55 static const struct e1000_stats e1000_gstrings_stats[] = {
  56         E1000_STAT("rx_packets", stats.gprc),
  57         E1000_STAT("tx_packets", stats.gptc),
  58         E1000_STAT("rx_bytes", stats.gorc),
  59         E1000_STAT("tx_bytes", stats.gotc),
  60         E1000_STAT("rx_broadcast", stats.bprc),
  61         E1000_STAT("tx_broadcast", stats.bptc),
  62         E1000_STAT("rx_multicast", stats.mprc),
  63         E1000_STAT("tx_multicast", stats.mptc),
  64         E1000_NETDEV_STAT("rx_errors", rx_errors),
  65         E1000_NETDEV_STAT("tx_errors", tx_errors),
  66         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  67         E1000_STAT("multicast", stats.mprc),
  68         E1000_STAT("collisions", stats.colc),
  69         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  70         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  71         E1000_STAT("rx_crc_errors", stats.crcerrs),
  72         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  73         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  74         E1000_STAT("rx_missed_errors", stats.mpc),
  75         E1000_STAT("tx_aborted_errors", stats.ecol),
  76         E1000_STAT("tx_carrier_errors", stats.tncrs),
  77         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  78         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  79         E1000_STAT("tx_window_errors", stats.latecol),
  80         E1000_STAT("tx_abort_late_coll", stats.latecol),
  81         E1000_STAT("tx_deferred_ok", stats.dc),
  82         E1000_STAT("tx_single_coll_ok", stats.scc),
  83         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  84         E1000_STAT("tx_timeout_count", tx_timeout_count),
  85         E1000_STAT("tx_restart_queue", restart_queue),
  86         E1000_STAT("rx_long_length_errors", stats.roc),
  87         E1000_STAT("rx_short_length_errors", stats.ruc),
  88         E1000_STAT("rx_align_errors", stats.algnerrc),
  89         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  90         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  91         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  92         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  93         E1000_STAT("tx_flow_control_xon", stats.xontxc),
  94         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
  95         E1000_STAT("rx_csum_offload_good", hw_csum_good),
  96         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
  97         E1000_STAT("rx_header_split", rx_hdr_split),
  98         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
  99         E1000_STAT("tx_smbus", stats.mgptc),
 100         E1000_STAT("rx_smbus", stats.mgprc),
 101         E1000_STAT("dropped_smbus", stats.mgpdc),
 102         E1000_STAT("rx_dma_failed", rx_dma_failed),
 103         E1000_STAT("tx_dma_failed", tx_dma_failed),
 104         E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 105         E1000_STAT("uncorr_ecc_errors", uncorr_errors),
 106         E1000_STAT("corr_ecc_errors", corr_errors),
 107         E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
 108 };
 109
 110 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 111 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 112 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 113         "Register test  (offline)", "Eeprom test    (offline)",
 114         "Interrupt test (offline)", "Loopback test  (offline)",
 115         "Link test   (on/offline)"
 116 };
 117
 118 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 119
 120 static int e1000_get_settings(struct net_device *netdev,
 121                               struct ethtool_cmd *ecmd)
 122 {
 123         struct e1000_adapter *adapter = netdev_priv(netdev);
 124         struct e1000_hw *hw = &adapter->hw;
 125         u32 speed;
 126
 127         if (hw->phy.media_type == e1000_media_type_copper) {
 128                 ecmd->supported = (SUPPORTED_10baseT_Half |
 129                                    SUPPORTED_10baseT_Full |
 130                                    SUPPORTED_100baseT_Half |
 131                                    SUPPORTED_100baseT_Full |
 132                                    SUPPORTED_1000baseT_Full |
 133                                    SUPPORTED_Autoneg |
 134                                    SUPPORTED_TP);
 135                 if (hw->phy.type == e1000_phy_ife)
 136                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 137                 ecmd->advertising = ADVERTISED_TP;
 138
 139                 if (hw->mac.autoneg == 1) {
 140                         ecmd->advertising |= ADVERTISED_Autoneg;
 141                         /* the e1000 autoneg seems to match ethtool nicely */
 142                         ecmd->advertising |= hw->phy.autoneg_advertised;
 143                 }
 144
 145                 ecmd->port = PORT_TP;
 146                 ecmd->phy_address = hw->phy.addr;
 147                 ecmd->transceiver = XCVR_INTERNAL;
 148
 149         } else {
 150                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 151                                      SUPPORTED_FIBRE |
 152                                      SUPPORTED_Autoneg);
 153
 154                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 155                                      ADVERTISED_FIBRE |
 156                                      ADVERTISED_Autoneg);
 157
 158                 ecmd->port = PORT_FIBRE;
 159                 ecmd->transceiver = XCVR_EXTERNAL;
 160         }
 161
 162         speed = SPEED_UNKNOWN;
 163         ecmd->duplex = DUPLEX_UNKNOWN;
 164
 165         if (netif_running(netdev)) {
 166                 if (netif_carrier_ok(netdev)) {
 167                         speed = adapter->link_speed;
 168                         ecmd->duplex = adapter->link_duplex - 1;
 169                 }
 170         } else if (!pm_runtime_suspended(netdev->dev.parent)) {
 171                 u32 status = er32(STATUS);
 172
 173                 if (status & E1000_STATUS_LU) {
 174                         if (status & E1000_STATUS_SPEED_1000)
 175                                 speed = SPEED_1000;
 176                         else if (status & E1000_STATUS_SPEED_100)
 177                                 speed = SPEED_100;
 178                         else
 179                                 speed = SPEED_10;
 180
 181                         if (status & E1000_STATUS_FD)
 182                                 ecmd->duplex = DUPLEX_FULL;
 183                         else
 184                                 ecmd->duplex = DUPLEX_HALF;
 185                 }
 186         }
 187
 188         ethtool_cmd_speed_set(ecmd, speed);
 189         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 190                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 191
 192         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 193         if ((hw->phy.media_type == e1000_media_type_copper) &&
 194             netif_carrier_ok(netdev))
 195                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI;
 196         else
 197                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 198
 199         if (hw->phy.mdix == AUTO_ALL_MODES)
 200                 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 201         else
 202                 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
 203
 204         return 0;
 205 }
 206
 207 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 208 {
 209         struct e1000_mac_info *mac = &adapter->hw.mac;
 210
 211         mac->autoneg = 0;
 212
 213         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 214          * for the switch() below to work
 215          */
 216         if ((spd & 1) || (dplx & ~1))
 217                 goto err_inval;
 218
 219         /* Fiber NICs only allow 1000 gbps Full duplex */
 220         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 221             (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
 222                 goto err_inval;
 223         }
 224
 225         switch (spd + dplx) {
 226         case SPEED_10 + DUPLEX_HALF:
 227                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 228                 break;
 229         case SPEED_10 + DUPLEX_FULL:
 230                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 231                 break;
 232         case SPEED_100 + DUPLEX_HALF:
 233                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 234                 break;
 235         case SPEED_100 + DUPLEX_FULL:
 236                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 237                 break;
 238         case SPEED_1000 + DUPLEX_FULL:
 239                 mac->autoneg = 1;
 240                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 241                 break;
 242         case SPEED_1000 + DUPLEX_HALF:  /* not supported */
 243         default:
 244                 goto err_inval;
 245         }
 246
 247         /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 248         adapter->hw.phy.mdix = AUTO_ALL_MODES;
 249
 250         return 0;
 251
 252 err_inval:
 253         e_err("Unsupported Speed/Duplex configuration\n");
 254         return -EINVAL;
 255 }
 256
 257 static int e1000_set_settings(struct net_device *netdev,
 258                               struct ethtool_cmd *ecmd)
 259 {
 260         struct e1000_adapter *adapter = netdev_priv(netdev);
 261         struct e1000_hw *hw = &adapter->hw;
 262         int ret_val = 0;
 263
 264         pm_runtime_get_sync(netdev->dev.parent);
 265
 266         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 267          * cannot be changed
 268          */
 269         if (hw->phy.ops.check_reset_block &&
 270             hw->phy.ops.check_reset_block(hw)) {
 271                 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 272                 ret_val = -EINVAL;
 273                 goto out;
 274         }
 275
 276         /* MDI setting is only allowed when autoneg enabled because
 277          * some hardware doesn't allow MDI setting when speed or
 278          * duplex is forced.
 279          */
 280         if (ecmd->eth_tp_mdix_ctrl) {
 281                 if (hw->phy.media_type != e1000_media_type_copper) {
 282                         ret_val = -EOPNOTSUPP;
 283                         goto out;
 284                 }
 285
 286                 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 287                     (ecmd->autoneg != AUTONEG_ENABLE)) {
 288                         e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 289                         ret_val = -EINVAL;
 290                         goto out;
 291                 }
 292         }
 293
 294         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 295                 usleep_range(1000, 2000);
 296
 297         if (ecmd->autoneg == AUTONEG_ENABLE) {
 298                 hw->mac.autoneg = 1;
 299                 if (hw->phy.media_type == e1000_media_type_fiber)
 300                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 301                             ADVERTISED_FIBRE | ADVERTISED_Autoneg;
 302                 else
 303                         hw->phy.autoneg_advertised = ecmd->advertising |
 304                             ADVERTISED_TP | ADVERTISED_Autoneg;
 305                 ecmd->advertising = hw->phy.autoneg_advertised;
 306                 if (adapter->fc_autoneg)
 307                         hw->fc.requested_mode = e1000_fc_default;
 308         } else {
 309                 u32 speed = ethtool_cmd_speed(ecmd);
 310                 /* calling this overrides forced MDI setting */
 311                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 312                         ret_val = -EINVAL;
 313                         goto out;
 314                 }
 315         }
 316
 317         /* MDI-X => 2; MDI => 1; Auto => 3 */
 318         if (ecmd->eth_tp_mdix_ctrl) {
 319                 /* fix up the value for auto (3 => 0) as zero is mapped
 320                  * internally to auto
 321                  */
 322                 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 323                         hw->phy.mdix = AUTO_ALL_MODES;
 324                 else
 325                         hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
 326         }
 327
 328         /* reset the link */
 329         if (netif_running(adapter->netdev)) {
 330                 e1000e_down(adapter, true);
 331                 e1000e_up(adapter);
 332         } else {
 333                 e1000e_reset(adapter);
 334         }
 335
 336 out:
 337         pm_runtime_put_sync(netdev->dev.parent);
 338         clear_bit(__E1000_RESETTING, &adapter->state);
 339         return ret_val;
 340 }
 341
 342 static void e1000_get_pauseparam(struct net_device *netdev,
 343                                  struct ethtool_pauseparam *pause)
 344 {
 345         struct e1000_adapter *adapter = netdev_priv(netdev);
 346         struct e1000_hw *hw = &adapter->hw;
 347
 348         pause->autoneg =
 349             (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 350
 351         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 352                 pause->rx_pause = 1;
 353         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 354                 pause->tx_pause = 1;
 355         } else if (hw->fc.current_mode == e1000_fc_full) {
 356                 pause->rx_pause = 1;
 357                 pause->tx_pause = 1;
 358         }
 359 }
 360
 361 static int e1000_set_pauseparam(struct net_device *netdev,
 362                                 struct ethtool_pauseparam *pause)
 363 {
 364         struct e1000_adapter *adapter = netdev_priv(netdev);
 365         struct e1000_hw *hw = &adapter->hw;
 366         int retval = 0;
 367
 368         adapter->fc_autoneg = pause->autoneg;
 369
 370         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 371                 usleep_range(1000, 2000);
 372
 373         pm_runtime_get_sync(netdev->dev.parent);
 374
 375         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 376                 hw->fc.requested_mode = e1000_fc_default;
 377                 if (netif_running(adapter->netdev)) {
 378                         e1000e_down(adapter, true);
 379                         e1000e_up(adapter);
 380                 } else {
 381                         e1000e_reset(adapter);
 382                 }
 383         } else {
 384                 if (pause->rx_pause && pause->tx_pause)
 385                         hw->fc.requested_mode = e1000_fc_full;
 386                 else if (pause->rx_pause && !pause->tx_pause)
 387                         hw->fc.requested_mode = e1000_fc_rx_pause;
 388                 else if (!pause->rx_pause && pause->tx_pause)
 389                         hw->fc.requested_mode = e1000_fc_tx_pause;
 390                 else if (!pause->rx_pause && !pause->tx_pause)
 391                         hw->fc.requested_mode = e1000_fc_none;
 392
 393                 hw->fc.current_mode = hw->fc.requested_mode;
 394
 395                 if (hw->phy.media_type == e1000_media_type_fiber) {
 396                         retval = hw->mac.ops.setup_link(hw);
 397                         /* implicit goto out */
 398                 } else {
 399                         retval = e1000e_force_mac_fc(hw);
 400                         if (retval)
 401                                 goto out;
 402                         e1000e_set_fc_watermarks(hw);
 403                 }
 404         }
 405
 406 out:
 407         pm_runtime_put_sync(netdev->dev.parent);
 408         clear_bit(__E1000_RESETTING, &adapter->state);
 409         return retval;
 410 }
 411
 412 static u32 e1000_get_msglevel(struct net_device *netdev)
 413 {
 414         struct e1000_adapter *adapter = netdev_priv(netdev);
 415         return adapter->msg_enable;
 416 }
 417
 418 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 419 {
 420         struct e1000_adapter *adapter = netdev_priv(netdev);
 421         adapter->msg_enable = data;
 422 }
 423
 424 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 425 {
 426 #define E1000_REGS_LEN 32       /* overestimate */
 427         return E1000_REGS_LEN * sizeof(u32);
 428 }
 429
 430 static void e1000_get_regs(struct net_device *netdev,
 431                            struct ethtool_regs *regs, void *p)
 432 {
 433         struct e1000_adapter *adapter = netdev_priv(netdev);
 434         struct e1000_hw *hw = &adapter->hw;
 435         u32 *regs_buff = p;
 436         u16 phy_data;
 437
 438         pm_runtime_get_sync(netdev->dev.parent);
 439
 440         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 441
 442         regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
 443             adapter->pdev->device;
 444
 445         regs_buff[0] = er32(CTRL);
 446         regs_buff[1] = er32(STATUS);
 447
 448         regs_buff[2] = er32(RCTL);
 449         regs_buff[3] = er32(RDLEN(0));
 450         regs_buff[4] = er32(RDH(0));
 451         regs_buff[5] = er32(RDT(0));
 452         regs_buff[6] = er32(RDTR);
 453
 454         regs_buff[7] = er32(TCTL);
 455         regs_buff[8] = er32(TDLEN(0));
 456         regs_buff[9] = er32(TDH(0));
 457         regs_buff[10] = er32(TDT(0));
 458         regs_buff[11] = er32(TIDV);
 459
 460         regs_buff[12] = adapter->hw.phy.type;   /* PHY type (IGP=1, M88=0) */
 461
 462         /* ethtool doesn't use anything past this point, so all this
 463          * code is likely legacy junk for apps that may or may not exist
 464          */
 465         if (hw->phy.type == e1000_phy_m88) {
 466                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 467                 regs_buff[13] = (u32)phy_data; /* cable length */
 468                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 469                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 470                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 471                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 472                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 473                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 474                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 475                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 476                 /* phy receive errors */
 477                 regs_buff[22] = adapter->phy_stats.receive_errors;
 478                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 479         }
 480         regs_buff[21] = 0;      /* was idle_errors */
 481         e1e_rphy(hw, MII_STAT1000, &phy_data);
 482         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 483         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 484
 485         pm_runtime_put_sync(netdev->dev.parent);
 486 }
 487
 488 static int e1000_get_eeprom_len(struct net_device *netdev)
 489 {
 490         struct e1000_adapter *adapter = netdev_priv(netdev);
 491         return adapter->hw.nvm.word_size * 2;
 492 }
 493
 494 static int e1000_get_eeprom(struct net_device *netdev,
 495                             struct ethtool_eeprom *eeprom, u8 *bytes)
 496 {
 497         struct e1000_adapter *adapter = netdev_priv(netdev);
 498         struct e1000_hw *hw = &adapter->hw;
 499         u16 *eeprom_buff;
 500         int first_word;
 501         int last_word;
 502         int ret_val = 0;
 503         u16 i;
 504
 505         if (eeprom->len == 0)
 506                 return -EINVAL;
 507
 508         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 509
 510         first_word = eeprom->offset >> 1;
 511         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 512
 513         eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
 514                               GFP_KERNEL);
 515         if (!eeprom_buff)
 516                 return -ENOMEM;
 517
 518         pm_runtime_get_sync(netdev->dev.parent);
 519
 520         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 521                 ret_val = e1000_read_nvm(hw, first_word,
 522                                          last_word - first_word + 1,
 523                                          eeprom_buff);
 524         } else {
 525                 for (i = 0; i < last_word - first_word + 1; i++) {
 526                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 527                                                  &eeprom_buff[i]);
 528                         if (ret_val)
 529                                 break;
 530                 }
 531         }
 532
 533         pm_runtime_put_sync(netdev->dev.parent);
 534
 535         if (ret_val) {
 536                 /* a read error occurred, throw away the result */
 537                 memset(eeprom_buff, 0xff, sizeof(u16) *
 538                        (last_word - first_word + 1));
 539         } else {
 540                 /* Device's eeprom is always little-endian, word addressable */
 541                 for (i = 0; i < last_word - first_word + 1; i++)
 542                         le16_to_cpus(&eeprom_buff[i]);
 543         }
 544
 545         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 546         kfree(eeprom_buff);
 547
 548         return ret_val;
 549 }
 550
 551 static int e1000_set_eeprom(struct net_device *netdev,
 552                             struct ethtool_eeprom *eeprom, u8 *bytes)
 553 {
 554         struct e1000_adapter *adapter = netdev_priv(netdev);
 555         struct e1000_hw *hw = &adapter->hw;
 556         u16 *eeprom_buff;
 557         void *ptr;
 558         int max_len;
 559         int first_word;
 560         int last_word;
 561         int ret_val = 0;
 562         u16 i;
 563
 564         if (eeprom->len == 0)
 565                 return -EOPNOTSUPP;
 566
 567         if (eeprom->magic !=
 568             (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 569                 return -EFAULT;
 570
 571         if (adapter->flags & FLAG_READ_ONLY_NVM)
 572                 return -EINVAL;
 573
 574         max_len = hw->nvm.word_size * 2;
 575
 576         first_word = eeprom->offset >> 1;
 577         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 578         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 579         if (!eeprom_buff)
 580                 return -ENOMEM;
 581
 582         ptr = (void *)eeprom_buff;
 583
 584         pm_runtime_get_sync(netdev->dev.parent);
 585
 586         if (eeprom->offset & 1) {
 587                 /* need read/modify/write of first changed EEPROM word */
 588                 /* only the second byte of the word is being modified */
 589                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 590                 ptr++;
 591         }
 592         if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
 593                 /* need read/modify/write of last changed EEPROM word */
 594                 /* only the first byte of the word is being modified */
 595                 ret_val = e1000_read_nvm(hw, last_word, 1,
 596                                          &eeprom_buff[last_word - first_word]);
 597
 598         if (ret_val)
 599                 goto out;
 600
 601         /* Device's eeprom is always little-endian, word addressable */
 602         for (i = 0; i < last_word - first_word + 1; i++)
 603                 le16_to_cpus(&eeprom_buff[i]);
 604
 605         memcpy(ptr, bytes, eeprom->len);
 606
 607         for (i = 0; i < last_word - first_word + 1; i++)
 608                 cpu_to_le16s(&eeprom_buff[i]);
 609
 610         ret_val = e1000_write_nvm(hw, first_word,
 611                                   last_word - first_word + 1, eeprom_buff);
 612
 613         if (ret_val)
 614                 goto out;
 615
 616         /* Update the checksum over the first part of the EEPROM if needed
 617          * and flush shadow RAM for applicable controllers
 618          */
 619         if ((first_word <= NVM_CHECKSUM_REG) ||
 620             (hw->mac.type == e1000_82583) ||
 621             (hw->mac.type == e1000_82574) ||
 622             (hw->mac.type == e1000_82573))
 623                 ret_val = e1000e_update_nvm_checksum(hw);
 624
 625 out:
 626         pm_runtime_put_sync(netdev->dev.parent);
 627         kfree(eeprom_buff);
 628         return ret_val;
 629 }
 630
 631 static void e1000_get_drvinfo(struct net_device *netdev,
 632                               struct ethtool_drvinfo *drvinfo)
 633 {
 634         struct e1000_adapter *adapter = netdev_priv(netdev);
 635
 636         strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
 637         strlcpy(drvinfo->version, e1000e_driver_version,
 638                 sizeof(drvinfo->version));
 639
 640         /* EEPROM image version # is reported as firmware version # for
 641          * PCI-E controllers
 642          */
 643         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 644                  "%d.%d-%d",
 645                  (adapter->eeprom_vers & 0xF000) >> 12,
 646                  (adapter->eeprom_vers & 0x0FF0) >> 4,
 647                  (adapter->eeprom_vers & 0x000F));
 648
 649         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 650                 sizeof(drvinfo->bus_info));
 651 }
 652
 653 static void e1000_get_ringparam(struct net_device *netdev,
 654                                 struct ethtool_ringparam *ring)
 655 {
 656         struct e1000_adapter *adapter = netdev_priv(netdev);
 657
 658         ring->rx_max_pending = E1000_MAX_RXD;
 659         ring->tx_max_pending = E1000_MAX_TXD;
 660         ring->rx_pending = adapter->rx_ring_count;
 661         ring->tx_pending = adapter->tx_ring_count;
 662 }
 663
 664 static int e1000_set_ringparam(struct net_device *netdev,
 665                                struct ethtool_ringparam *ring)
 666 {
 667         struct e1000_adapter *adapter = netdev_priv(netdev);
 668         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 669         int err = 0, size = sizeof(struct e1000_ring);
 670         bool set_tx = false, set_rx = false;
 671         u16 new_rx_count, new_tx_count;
 672
 673         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 674                 return -EINVAL;
 675
 676         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 677                                E1000_MAX_RXD);
 678         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 679
 680         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 681                                E1000_MAX_TXD);
 682         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 683
 684         if ((new_tx_count == adapter->tx_ring_count) &&
 685             (new_rx_count == adapter->rx_ring_count))
 686                 /* nothing to do */
 687                 return 0;
 688
 689         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 690                 usleep_range(1000, 2000);
 691
 692         if (!netif_running(adapter->netdev)) {
 693                 /* Set counts now and allocate resources during open() */
 694                 adapter->tx_ring->count = new_tx_count;
 695                 adapter->rx_ring->count = new_rx_count;
 696                 adapter->tx_ring_count = new_tx_count;
 697                 adapter->rx_ring_count = new_rx_count;
 698                 goto clear_reset;
 699         }
 700
 701         set_tx = (new_tx_count != adapter->tx_ring_count);
 702         set_rx = (new_rx_count != adapter->rx_ring_count);
 703
 704         /* Allocate temporary storage for ring updates */
 705         if (set_tx) {
 706                 temp_tx = vmalloc(size);
 707                 if (!temp_tx) {
 708                         err = -ENOMEM;
 709                         goto free_temp;
 710                 }
 711         }
 712         if (set_rx) {
 713                 temp_rx = vmalloc(size);
 714                 if (!temp_rx) {
 715                         err = -ENOMEM;
 716                         goto free_temp;
 717                 }
 718         }
 719
 720         pm_runtime_get_sync(netdev->dev.parent);
 721
 722         e1000e_down(adapter, true);
 723
 724         /* We can't just free everything and then setup again, because the
 725          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 726          * structs.  First, attempt to allocate new resources...
 727          */
 728         if (set_tx) {
 729                 memcpy(temp_tx, adapter->tx_ring, size);
 730                 temp_tx->count = new_tx_count;
 731                 err = e1000e_setup_tx_resources(temp_tx);
 732                 if (err)
 733                         goto err_setup;
 734         }
 735         if (set_rx) {
 736                 memcpy(temp_rx, adapter->rx_ring, size);
 737                 temp_rx->count = new_rx_count;
 738                 err = e1000e_setup_rx_resources(temp_rx);
 739                 if (err)
 740                         goto err_setup_rx;
 741         }
 742
 743         /* ...then free the old resources and copy back any new ring data */
 744         if (set_tx) {
 745                 e1000e_free_tx_resources(adapter->tx_ring);
 746                 memcpy(adapter->tx_ring, temp_tx, size);
 747                 adapter->tx_ring_count = new_tx_count;
 748         }
 749         if (set_rx) {
 750                 e1000e_free_rx_resources(adapter->rx_ring);
 751                 memcpy(adapter->rx_ring, temp_rx, size);
 752                 adapter->rx_ring_count = new_rx_count;
 753         }
 754
 755 err_setup_rx:
 756         if (err && set_tx)
 757                 e1000e_free_tx_resources(temp_tx);
 758 err_setup:
 759         e1000e_up(adapter);
 760         pm_runtime_put_sync(netdev->dev.parent);
 761 free_temp:
 762         vfree(temp_tx);
 763         vfree(temp_rx);
 764 clear_reset:
 765         clear_bit(__E1000_RESETTING, &adapter->state);
 766         return err;
 767 }
 768
 769 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 770                              int reg, int offset, u32 mask, u32 write)
 771 {
 772         u32 pat, val;
 773         static const u32 test[] = {
 774                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 775         };
 776         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 777                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 778                                       (test[pat] & write));
 779                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 780                 if (val != (test[pat] & write & mask)) {
 781                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 782                               reg + (offset << 2), val,
 783                               (test[pat] & write & mask));
 784                         *data = reg;
 785                         return true;
 786                 }
 787         }
 788         return false;
 789 }
 790
 791 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 792                               int reg, u32 mask, u32 write)
 793 {
 794         u32 val;
 795
 796         __ew32(&adapter->hw, reg, write & mask);
 797         val = __er32(&adapter->hw, reg);
 798         if ((write & mask) != (val & mask)) {
 799                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 800                       reg, (val & mask), (write & mask));
 801                 *data = reg;
 802                 return true;
 803         }
 804         return false;
 805 }
 806
 807 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 808         do {                                                                   \
 809                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 810                         return 1;                                              \
 811         } while (0)
 812 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 813         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 814
 815 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 816         do {                                                                   \
 817                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 818                         return 1;                                              \
 819         } while (0)
 820
 821 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 822 {
 823         struct e1000_hw *hw = &adapter->hw;
 824         struct e1000_mac_info *mac = &adapter->hw.mac;
 825         u32 value;
 826         u32 before;
 827         u32 after;
 828         u32 i;
 829         u32 toggle;
 830         u32 mask;
 831         u32 wlock_mac = 0;
 832
 833         /* The status register is Read Only, so a write should fail.
 834          * Some bits that get toggled are ignored.  There are several bits
 835          * on newer hardware that are r/w.
 836          */
 837         switch (mac->type) {
 838         case e1000_82571:
 839         case e1000_82572:
 840         case e1000_80003es2lan:
 841                 toggle = 0x7FFFF3FF;
 842                 break;
 843         default:
 844                 toggle = 0x7FFFF033;
 845                 break;
 846         }
 847
 848         before = er32(STATUS);
 849         value = (er32(STATUS) & toggle);
 850         ew32(STATUS, toggle);
 851         after = er32(STATUS) & toggle;
 852         if (value != after) {
 853                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 854                       after, value);
 855                 *data = 1;
 856                 return 1;
 857         }
 858         /* restore previous status */
 859         ew32(STATUS, before);
 860
 861         if (!(adapter->flags & FLAG_IS_ICH)) {
 862                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 863                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 864                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 865                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 866         }
 867
 868         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 869         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 870         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 871         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 872         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 873         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 874         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 875         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 876         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 877         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 878
 879         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 880
 881         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 882         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 883         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 884
 885         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 886         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 887         if (!(adapter->flags & FLAG_IS_ICH))
 888                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 889         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 890         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 891         mask = 0x8003FFFF;
 892         switch (mac->type) {
 893         case e1000_ich10lan:
 894         case e1000_pchlan:
 895         case e1000_pch2lan:
 896         case e1000_pch_lpt:
 897         case e1000_pch_spt:
 898                 mask |= (1 << 18);
 899                 break;
 900         default:
 901                 break;
 902         }
 903
 904         if ((mac->type == e1000_pch_lpt) || (mac->type == e1000_pch_spt))
 905                 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 906                     E1000_FWSM_WLOCK_MAC_SHIFT;
 907
 908         for (i = 0; i < mac->rar_entry_count; i++) {
 909                 if ((mac->type == e1000_pch_lpt) ||
 910                     (mac->type == e1000_pch_spt)) {
 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 |= (1 << 30);
 918                         else
 919                                 mask &= ~(1 << 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 |= (1 << 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, 20000);
1018
1019         /* Test each interrupt */
1020         for (i = 0; i < 10; i++) {
1021                 /* Interrupt to test */
1022                 mask = 1 << 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, 20000);
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, 20000);
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, 20000);
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, 20000);
1098
1099         /* Unhook test interrupt handler */
1100         free_irq(irq, netdev);
1101
1102 out:
1103         if (int_mode == E1000E_INT_MODE_MSIX) {
1104                 e1000e_reset_interrupt_capability(adapter);
1105                 adapter->int_mode = int_mode;
1106                 e1000e_set_interrupt_capability(adapter);
1107         }
1108
1109         return ret_val;
1110 }
1111
1112 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1113 {
1114         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1115         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1116         struct pci_dev *pdev = adapter->pdev;
1117         struct e1000_buffer *buffer_info;
1118         int i;
1119
1120         if (tx_ring->desc && tx_ring->buffer_info) {
1121                 for (i = 0; i < tx_ring->count; i++) {
1122                         buffer_info = &tx_ring->buffer_info[i];
1123
1124                         if (buffer_info->dma)
1125                                 dma_unmap_single(&pdev->dev,
1126                                                  buffer_info->dma,
1127                                                  buffer_info->length,
1128                                                  DMA_TO_DEVICE);
1129                         if (buffer_info->skb)
1130                                 dev_kfree_skb(buffer_info->skb);
1131                 }
1132         }
1133
1134         if (rx_ring->desc && rx_ring->buffer_info) {
1135                 for (i = 0; i < rx_ring->count; i++) {
1136                         buffer_info = &rx_ring->buffer_info[i];
1137
1138                         if (buffer_info->dma)
1139                                 dma_unmap_single(&pdev->dev,
1140                                                  buffer_info->dma,
1141                                                  2048, DMA_FROM_DEVICE);
1142                         if (buffer_info->skb)
1143                                 dev_kfree_skb(buffer_info->skb);
1144                 }
1145         }
1146
1147         if (tx_ring->desc) {
1148                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1149                                   tx_ring->dma);
1150                 tx_ring->desc = NULL;
1151         }
1152         if (rx_ring->desc) {
1153                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1154                                   rx_ring->dma);
1155                 rx_ring->desc = NULL;
1156         }
1157
1158         kfree(tx_ring->buffer_info);
1159         tx_ring->buffer_info = NULL;
1160         kfree(rx_ring->buffer_info);
1161         rx_ring->buffer_info = NULL;
1162 }
1163
1164 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1165 {
1166         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1167         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1168         struct pci_dev *pdev = adapter->pdev;
1169         struct e1000_hw *hw = &adapter->hw;
1170         u32 rctl;
1171         int i;
1172         int ret_val;
1173
1174         /* Setup Tx descriptor ring and Tx buffers */
1175
1176         if (!tx_ring->count)
1177                 tx_ring->count = E1000_DEFAULT_TXD;
1178
1179         tx_ring->buffer_info = kcalloc(tx_ring->count,
1180                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1181         if (!tx_ring->buffer_info) {
1182                 ret_val = 1;
1183                 goto err_nomem;
1184         }
1185
1186         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1187         tx_ring->size = ALIGN(tx_ring->size, 4096);
1188         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1189                                            &tx_ring->dma, GFP_KERNEL);
1190         if (!tx_ring->desc) {
1191                 ret_val = 2;
1192                 goto err_nomem;
1193         }
1194         tx_ring->next_to_use = 0;
1195         tx_ring->next_to_clean = 0;
1196
1197         ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1198         ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1199         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1200         ew32(TDH(0), 0);
1201         ew32(TDT(0), 0);
1202         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1203              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1204              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1205
1206         for (i = 0; i < tx_ring->count; i++) {
1207                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1208                 struct sk_buff *skb;
1209                 unsigned int skb_size = 1024;
1210
1211                 skb = alloc_skb(skb_size, GFP_KERNEL);
1212                 if (!skb) {
1213                         ret_val = 3;
1214                         goto err_nomem;
1215                 }
1216                 skb_put(skb, skb_size);
1217                 tx_ring->buffer_info[i].skb = skb;
1218                 tx_ring->buffer_info[i].length = skb->len;
1219                 tx_ring->buffer_info[i].dma =
1220                     dma_map_single(&pdev->dev, skb->data, skb->len,
1221                                    DMA_TO_DEVICE);
1222                 if (dma_mapping_error(&pdev->dev,
1223                                       tx_ring->buffer_info[i].dma)) {
1224                         ret_val = 4;
1225                         goto err_nomem;
1226                 }
1227                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1228                 tx_desc->lower.data = cpu_to_le32(skb->len);
1229                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1230                                                    E1000_TXD_CMD_IFCS |
1231                                                    E1000_TXD_CMD_RS);
1232                 tx_desc->upper.data = 0;
1233         }
1234
1235         /* Setup Rx descriptor ring and Rx buffers */
1236
1237         if (!rx_ring->count)
1238                 rx_ring->count = E1000_DEFAULT_RXD;
1239
1240         rx_ring->buffer_info = kcalloc(rx_ring->count,
1241                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1242         if (!rx_ring->buffer_info) {
1243                 ret_val = 5;
1244                 goto err_nomem;
1245         }
1246
1247         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1248         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1249                                            &rx_ring->dma, GFP_KERNEL);
1250         if (!rx_ring->desc) {
1251                 ret_val = 6;
1252                 goto err_nomem;
1253         }
1254         rx_ring->next_to_use = 0;
1255         rx_ring->next_to_clean = 0;
1256
1257         rctl = er32(RCTL);
1258         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1259                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1260         ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1261         ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1262         ew32(RDLEN(0), rx_ring->size);
1263         ew32(RDH(0), 0);
1264         ew32(RDT(0), 0);
1265         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1266             E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1267             E1000_RCTL_SBP | E1000_RCTL_SECRC |
1268             E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1269             (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1270         ew32(RCTL, rctl);
1271
1272         for (i = 0; i < rx_ring->count; i++) {
1273                 union e1000_rx_desc_extended *rx_desc;
1274                 struct sk_buff *skb;
1275
1276                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1277                 if (!skb) {
1278                         ret_val = 7;
1279                         goto err_nomem;
1280                 }
1281                 skb_reserve(skb, NET_IP_ALIGN);
1282                 rx_ring->buffer_info[i].skb = skb;
1283                 rx_ring->buffer_info[i].dma =
1284                     dma_map_single(&pdev->dev, skb->data, 2048,
1285                                    DMA_FROM_DEVICE);
1286                 if (dma_mapping_error(&pdev->dev,
1287                                       rx_ring->buffer_info[i].dma)) {
1288                         ret_val = 8;
1289                         goto err_nomem;
1290                 }
1291                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1292                 rx_desc->read.buffer_addr =
1293                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1294                 memset(skb->data, 0x00, skb->len);
1295         }
1296
1297         return 0;
1298
1299 err_nomem:
1300         e1000_free_desc_rings(adapter);
1301         return ret_val;
1302 }
1303
1304 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1305 {
1306         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1307         e1e_wphy(&adapter->hw, 29, 0x001F);
1308         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1309         e1e_wphy(&adapter->hw, 29, 0x001A);
1310         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1311 }
1312
1313 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1314 {
1315         struct e1000_hw *hw = &adapter->hw;
1316         u32 ctrl_reg = 0;
1317         u16 phy_reg = 0;
1318         s32 ret_val = 0;
1319
1320         hw->mac.autoneg = 0;
1321
1322         if (hw->phy.type == e1000_phy_ife) {
1323                 /* force 100, set loopback */
1324                 e1e_wphy(hw, MII_BMCR, 0x6100);
1325
1326                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1327                 ctrl_reg = er32(CTRL);
1328                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1329                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1330                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1331                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1332                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1333
1334                 ew32(CTRL, ctrl_reg);
1335                 e1e_flush();
1336                 usleep_range(500, 1000);
1337
1338                 return 0;
1339         }
1340
1341         /* Specific PHY configuration for loopback */
1342         switch (hw->phy.type) {
1343         case e1000_phy_m88:
1344                 /* Auto-MDI/MDIX Off */
1345                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1346                 /* reset to update Auto-MDI/MDIX */
1347                 e1e_wphy(hw, MII_BMCR, 0x9140);
1348                 /* autoneg off */
1349                 e1e_wphy(hw, MII_BMCR, 0x8140);
1350                 break;
1351         case e1000_phy_gg82563:
1352                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1353                 break;
1354         case e1000_phy_bm:
1355                 /* Set Default MAC Interface speed to 1GB */
1356                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1357                 phy_reg &= ~0x0007;
1358                 phy_reg |= 0x006;
1359                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1360                 /* Assert SW reset for above settings to take effect */
1361                 hw->phy.ops.commit(hw);
1362                 usleep_range(1000, 2000);
1363                 /* Force Full Duplex */
1364                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1365                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1366                 /* Set Link Up (in force link) */
1367                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1368                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1369                 /* Force Link */
1370                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1371                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1372                 /* Set Early Link Enable */
1373                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1374                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1375                 break;
1376         case e1000_phy_82577:
1377         case e1000_phy_82578:
1378                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1379                 ret_val = hw->phy.ops.acquire(hw);
1380                 if (ret_val) {
1381                         e_err("Cannot setup 1Gbps loopback.\n");
1382                         return ret_val;
1383                 }
1384                 e1000_configure_k1_ich8lan(hw, false);
1385                 hw->phy.ops.release(hw);
1386                 break;
1387         case e1000_phy_82579:
1388                 /* Disable PHY energy detect power down */
1389                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1390                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1391                 /* Disable full chip energy detect */
1392                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1393                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1394                 /* Enable loopback on the PHY */
1395                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1396                 break;
1397         default:
1398                 break;
1399         }
1400
1401         /* force 1000, set loopback */
1402         e1e_wphy(hw, MII_BMCR, 0x4140);
1403         msleep(250);
1404
1405         /* Now set up the MAC to the same speed/duplex as the PHY. */
1406         ctrl_reg = er32(CTRL);
1407         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1408         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1409                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1410                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1411                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1412
1413         if (adapter->flags & FLAG_IS_ICH)
1414                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1415
1416         if (hw->phy.media_type == e1000_media_type_copper &&
1417             hw->phy.type == e1000_phy_m88) {
1418                 ctrl_reg |= E1000_CTRL_ILOS;    /* Invert Loss of Signal */
1419         } else {
1420                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1421                  * detected.
1422                  */
1423                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1424                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1425         }
1426
1427         ew32(CTRL, ctrl_reg);
1428
1429         /* Disable the receiver on the PHY so when a cable is plugged in, the
1430          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1431          */
1432         if (hw->phy.type == e1000_phy_m88)
1433                 e1000_phy_disable_receiver(adapter);
1434
1435         usleep_range(500, 1000);
1436
1437         return 0;
1438 }
1439
1440 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1441 {
1442         struct e1000_hw *hw = &adapter->hw;
1443         u32 ctrl = er32(CTRL);
1444         int link;
1445
1446         /* special requirements for 82571/82572 fiber adapters */
1447
1448         /* jump through hoops to make sure link is up because serdes
1449          * link is hardwired up
1450          */
1451         ctrl |= E1000_CTRL_SLU;
1452         ew32(CTRL, ctrl);
1453
1454         /* disable autoneg */
1455         ctrl = er32(TXCW);
1456         ctrl &= ~(1 << 31);
1457         ew32(TXCW, ctrl);
1458
1459         link = (er32(STATUS) & E1000_STATUS_LU);
1460
1461         if (!link) {
1462                 /* set invert loss of signal */
1463                 ctrl = er32(CTRL);
1464                 ctrl |= E1000_CTRL_ILOS;
1465                 ew32(CTRL, ctrl);
1466         }
1467
1468         /* special write to serdes control register to enable SerDes analog
1469          * loopback
1470          */
1471         ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1472         e1e_flush();
1473         usleep_range(10000, 20000);
1474
1475         return 0;
1476 }
1477
1478 /* only call this for fiber/serdes connections to es2lan */
1479 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1480 {
1481         struct e1000_hw *hw = &adapter->hw;
1482         u32 ctrlext = er32(CTRL_EXT);
1483         u32 ctrl = er32(CTRL);
1484
1485         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1486          * on mac_type 80003es2lan)
1487          */
1488         adapter->tx_fifo_head = ctrlext;
1489
1490         /* clear the serdes mode bits, putting the device into mac loopback */
1491         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1492         ew32(CTRL_EXT, ctrlext);
1493
1494         /* force speed to 1000/FD, link up */
1495         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1496         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1497                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1498         ew32(CTRL, ctrl);
1499
1500         /* set mac loopback */
1501         ctrl = er32(RCTL);
1502         ctrl |= E1000_RCTL_LBM_MAC;
1503         ew32(RCTL, ctrl);
1504
1505         /* set testing mode parameters (no need to reset later) */
1506 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1507 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1508         ew32(KMRNCTRLSTA,
1509              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1510
1511         return 0;
1512 }
1513
1514 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1515 {
1516         struct e1000_hw *hw = &adapter->hw;
1517         u32 rctl, fext_nvm11, tarc0;
1518
1519         if (hw->mac.type == e1000_pch_spt) {
1520                 fext_nvm11 = er32(FEXTNVM11);
1521                 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1522                 ew32(FEXTNVM11, fext_nvm11);
1523                 tarc0 = er32(TARC(0));
1524                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1525                 tarc0 &= 0xcfffffff;
1526                 /* set bit 29 (value of MULR requests is now 2) */
1527                 tarc0 |= 0x20000000;
1528                 ew32(TARC(0), tarc0);
1529         }
1530         if (hw->phy.media_type == e1000_media_type_fiber ||
1531             hw->phy.media_type == e1000_media_type_internal_serdes) {
1532                 switch (hw->mac.type) {
1533                 case e1000_80003es2lan:
1534                         return e1000_set_es2lan_mac_loopback(adapter);
1535                 case e1000_82571:
1536                 case e1000_82572:
1537                         return e1000_set_82571_fiber_loopback(adapter);
1538                 default:
1539                         rctl = er32(RCTL);
1540                         rctl |= E1000_RCTL_LBM_TCVR;
1541                         ew32(RCTL, rctl);
1542                         return 0;
1543                 }
1544         } else if (hw->phy.media_type == e1000_media_type_copper) {
1545                 return e1000_integrated_phy_loopback(adapter);
1546         }
1547
1548         return 7;
1549 }
1550
1551 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1552 {
1553         struct e1000_hw *hw = &adapter->hw;
1554         u32 rctl, fext_nvm11, tarc0;
1555         u16 phy_reg;
1556
1557         rctl = er32(RCTL);
1558         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1559         ew32(RCTL, rctl);
1560
1561         switch (hw->mac.type) {
1562         case e1000_pch_spt:
1563                 fext_nvm11 = er32(FEXTNVM11);
1564                 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1565                 ew32(FEXTNVM11, fext_nvm11);
1566                 tarc0 = er32(TARC(0));
1567                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1568                 /* set bit 29 (value of MULR requests is now 0) */
1569                 tarc0 &= 0xcfffffff;
1570                 ew32(TARC(0), tarc0);
1571                 /* fall through */
1572         case e1000_80003es2lan:
1573                 if (hw->phy.media_type == e1000_media_type_fiber ||
1574                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1575                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1576                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1577                         adapter->tx_fifo_head = 0;
1578                 }
1579                 /* fall through */
1580         case e1000_82571:
1581         case e1000_82572:
1582                 if (hw->phy.media_type == e1000_media_type_fiber ||
1583                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1584                         ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1585                         e1e_flush();
1586                         usleep_range(10000, 20000);
1587                         break;
1588                 }
1589                 /* Fall Through */
1590         default:
1591                 hw->mac.autoneg = 1;
1592                 if (hw->phy.type == e1000_phy_gg82563)
1593                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1594                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1595                 if (phy_reg & BMCR_LOOPBACK) {
1596                         phy_reg &= ~BMCR_LOOPBACK;
1597                         e1e_wphy(hw, MII_BMCR, phy_reg);
1598                         if (hw->phy.ops.commit)
1599                                 hw->phy.ops.commit(hw);
1600                 }
1601                 break;
1602         }
1603 }
1604
1605 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1606                                       unsigned int frame_size)
1607 {
1608         memset(skb->data, 0xFF, frame_size);
1609         frame_size &= ~1;
1610         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1611         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1612         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1613 }
1614
1615 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1616                                     unsigned int frame_size)
1617 {
1618         frame_size &= ~1;
1619         if (*(skb->data + 3) == 0xFF)
1620                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1621                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
1622                         return 0;
1623         return 13;
1624 }
1625
1626 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1627 {
1628         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1629         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1630         struct pci_dev *pdev = adapter->pdev;
1631         struct e1000_hw *hw = &adapter->hw;
1632         struct e1000_buffer *buffer_info;
1633         int i, j, k, l;
1634         int lc;
1635         int good_cnt;
1636         int ret_val = 0;
1637         unsigned long time;
1638
1639         ew32(RDT(0), rx_ring->count - 1);
1640
1641         /* Calculate the loop count based on the largest descriptor ring
1642          * The idea is to wrap the largest ring a number of times using 64
1643          * send/receive pairs during each loop
1644          */
1645
1646         if (rx_ring->count <= tx_ring->count)
1647                 lc = ((tx_ring->count / 64) * 2) + 1;
1648         else
1649                 lc = ((rx_ring->count / 64) * 2) + 1;
1650
1651         k = 0;
1652         l = 0;
1653         /* loop count loop */
1654         for (j = 0; j <= lc; j++) {
1655                 /* send the packets */
1656                 for (i = 0; i < 64; i++) {
1657                         buffer_info = &tx_ring->buffer_info[k];
1658
1659                         e1000_create_lbtest_frame(buffer_info->skb, 1024);
1660                         dma_sync_single_for_device(&pdev->dev,
1661                                                    buffer_info->dma,
1662                                                    buffer_info->length,
1663                                                    DMA_TO_DEVICE);
1664                         k++;
1665                         if (k == tx_ring->count)
1666                                 k = 0;
1667                 }
1668                 ew32(TDT(0), k);
1669                 e1e_flush();
1670                 msleep(200);
1671                 time = jiffies; /* set the start time for the receive */
1672                 good_cnt = 0;
1673                 /* receive the sent packets */
1674                 do {
1675                         buffer_info = &rx_ring->buffer_info[l];
1676
1677                         dma_sync_single_for_cpu(&pdev->dev,
1678                                                 buffer_info->dma, 2048,
1679                                                 DMA_FROM_DEVICE);
1680
1681                         ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1682                                                            1024);
1683                         if (!ret_val)
1684                                 good_cnt++;
1685                         l++;
1686                         if (l == rx_ring->count)
1687                                 l = 0;
1688                         /* time + 20 msecs (200 msecs on 2.4) is more than
1689                          * enough time to complete the receives, if it's
1690                          * exceeded, break and error off
1691                          */
1692                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1693                 if (good_cnt != 64) {
1694                         ret_val = 13;   /* ret_val is the same as mis-compare */
1695                         break;
1696                 }
1697                 if (time_after(jiffies, time + 20)) {
1698                         ret_val = 14;   /* error code for time out error */
1699                         break;
1700                 }
1701         }
1702         return ret_val;
1703 }
1704
1705 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1706 {
1707         struct e1000_hw *hw = &adapter->hw;
1708
1709         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1710         if (hw->phy.ops.check_reset_block &&
1711             hw->phy.ops.check_reset_block(hw)) {
1712                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1713                 *data = 0;
1714                 goto out;
1715         }
1716
1717         *data = e1000_setup_desc_rings(adapter);
1718         if (*data)
1719                 goto out;
1720
1721         *data = e1000_setup_loopback_test(adapter);
1722         if (*data)
1723                 goto err_loopback;
1724
1725         *data = e1000_run_loopback_test(adapter);
1726         e1000_loopback_cleanup(adapter);
1727
1728 err_loopback:
1729         e1000_free_desc_rings(adapter);
1730 out:
1731         return *data;
1732 }
1733
1734 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1735 {
1736         struct e1000_hw *hw = &adapter->hw;
1737
1738         *data = 0;
1739         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1740                 int i = 0;
1741
1742                 hw->mac.serdes_has_link = false;
1743
1744                 /* On some blade server designs, link establishment
1745                  * could take as long as 2-3 minutes
1746                  */
1747                 do {
1748                         hw->mac.ops.check_for_link(hw);
1749                         if (hw->mac.serdes_has_link)
1750                                 return *data;
1751                         msleep(20);
1752                 } while (i++ < 3750);
1753
1754                 *data = 1;
1755         } else {
1756                 hw->mac.ops.check_for_link(hw);
1757                 if (hw->mac.autoneg)
1758                         /* On some Phy/switch combinations, link establishment
1759                          * can take a few seconds more than expected.
1760                          */
1761                         msleep_interruptible(5000);
1762
1763                 if (!(er32(STATUS) & E1000_STATUS_LU))
1764                         *data = 1;
1765         }
1766         return *data;
1767 }
1768
1769 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1770                                  int sset)
1771 {
1772         switch (sset) {
1773         case ETH_SS_TEST:
1774                 return E1000_TEST_LEN;
1775         case ETH_SS_STATS:
1776                 return E1000_STATS_LEN;
1777         default:
1778                 return -EOPNOTSUPP;
1779         }
1780 }
1781
1782 static void e1000_diag_test(struct net_device *netdev,
1783                             struct ethtool_test *eth_test, u64 *data)
1784 {
1785         struct e1000_adapter *adapter = netdev_priv(netdev);
1786         u16 autoneg_advertised;
1787         u8 forced_speed_duplex;
1788         u8 autoneg;
1789         bool if_running = netif_running(netdev);
1790
1791         pm_runtime_get_sync(netdev->dev.parent);
1792
1793         set_bit(__E1000_TESTING, &adapter->state);
1794
1795         if (!if_running) {
1796                 /* Get control of and reset hardware */
1797                 if (adapter->flags & FLAG_HAS_AMT)
1798                         e1000e_get_hw_control(adapter);
1799
1800                 e1000e_power_up_phy(adapter);
1801
1802                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1803                 e1000e_reset(adapter);
1804                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1805         }
1806
1807         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1808                 /* Offline tests */
1809
1810                 /* save speed, duplex, autoneg settings */
1811                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1812                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1813                 autoneg = adapter->hw.mac.autoneg;
1814
1815                 e_info("offline testing starting\n");
1816
1817                 if (if_running)
1818                         /* indicate we're in test mode */
1819                         dev_close(netdev);
1820
1821                 if (e1000_reg_test(adapter, &data[0]))
1822                         eth_test->flags |= ETH_TEST_FL_FAILED;
1823
1824                 e1000e_reset(adapter);
1825                 if (e1000_eeprom_test(adapter, &data[1]))
1826                         eth_test->flags |= ETH_TEST_FL_FAILED;
1827
1828                 e1000e_reset(adapter);
1829                 if (e1000_intr_test(adapter, &data[2]))
1830                         eth_test->flags |= ETH_TEST_FL_FAILED;
1831
1832                 e1000e_reset(adapter);
1833                 if (e1000_loopback_test(adapter, &data[3]))
1834                         eth_test->flags |= ETH_TEST_FL_FAILED;
1835
1836                 /* force this routine to wait until autoneg complete/timeout */
1837                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1838                 e1000e_reset(adapter);
1839                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1840
1841                 if (e1000_link_test(adapter, &data[4]))
1842                         eth_test->flags |= ETH_TEST_FL_FAILED;
1843
1844                 /* restore speed, duplex, autoneg settings */
1845                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1846                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1847                 adapter->hw.mac.autoneg = autoneg;
1848                 e1000e_reset(adapter);
1849
1850                 clear_bit(__E1000_TESTING, &adapter->state);
1851                 if (if_running)
1852                         dev_open(netdev);
1853         } else {
1854                 /* Online tests */
1855
1856                 e_info("online testing starting\n");
1857
1858                 /* register, eeprom, intr and loopback tests not run online */
1859                 data[0] = 0;
1860                 data[1] = 0;
1861                 data[2] = 0;
1862                 data[3] = 0;
1863
1864                 if (e1000_link_test(adapter, &data[4]))
1865                         eth_test->flags |= ETH_TEST_FL_FAILED;
1866
1867                 clear_bit(__E1000_TESTING, &adapter->state);
1868         }
1869
1870         if (!if_running) {
1871                 e1000e_reset(adapter);
1872
1873                 if (adapter->flags & FLAG_HAS_AMT)
1874                         e1000e_release_hw_control(adapter);
1875         }
1876
1877         msleep_interruptible(4 * 1000);
1878
1879         pm_runtime_put_sync(netdev->dev.parent);
1880 }
1881
1882 static void e1000_get_wol(struct net_device *netdev,
1883                           struct ethtool_wolinfo *wol)
1884 {
1885         struct e1000_adapter *adapter = netdev_priv(netdev);
1886
1887         wol->supported = 0;
1888         wol->wolopts = 0;
1889
1890         if (!(adapter->flags & FLAG_HAS_WOL) ||
1891             !device_can_wakeup(&adapter->pdev->dev))
1892                 return;
1893
1894         wol->supported = WAKE_UCAST | WAKE_MCAST |
1895             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1896
1897         /* apply any specific unsupported masks here */
1898         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1899                 wol->supported &= ~WAKE_UCAST;
1900
1901                 if (adapter->wol & E1000_WUFC_EX)
1902                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1903         }
1904
1905         if (adapter->wol & E1000_WUFC_EX)
1906                 wol->wolopts |= WAKE_UCAST;
1907         if (adapter->wol & E1000_WUFC_MC)
1908                 wol->wolopts |= WAKE_MCAST;
1909         if (adapter->wol & E1000_WUFC_BC)
1910                 wol->wolopts |= WAKE_BCAST;
1911         if (adapter->wol & E1000_WUFC_MAG)
1912                 wol->wolopts |= WAKE_MAGIC;
1913         if (adapter->wol & E1000_WUFC_LNKC)
1914                 wol->wolopts |= WAKE_PHY;
1915 }
1916
1917 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1918 {
1919         struct e1000_adapter *adapter = netdev_priv(netdev);
1920
1921         if (!(adapter->flags & FLAG_HAS_WOL) ||
1922             !device_can_wakeup(&adapter->pdev->dev) ||
1923             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1924                               WAKE_MAGIC | WAKE_PHY)))
1925                 return -EOPNOTSUPP;
1926
1927         /* these settings will always override what we currently have */
1928         adapter->wol = 0;
1929
1930         if (wol->wolopts & WAKE_UCAST)
1931                 adapter->wol |= E1000_WUFC_EX;
1932         if (wol->wolopts & WAKE_MCAST)
1933                 adapter->wol |= E1000_WUFC_MC;
1934         if (wol->wolopts & WAKE_BCAST)
1935                 adapter->wol |= E1000_WUFC_BC;
1936         if (wol->wolopts & WAKE_MAGIC)
1937                 adapter->wol |= E1000_WUFC_MAG;
1938         if (wol->wolopts & WAKE_PHY)
1939                 adapter->wol |= E1000_WUFC_LNKC;
1940
1941         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1942
1943         return 0;
1944 }
1945
1946 static int e1000_set_phys_id(struct net_device *netdev,
1947                              enum ethtool_phys_id_state state)
1948 {
1949         struct e1000_adapter *adapter = netdev_priv(netdev);
1950         struct e1000_hw *hw = &adapter->hw;
1951
1952         switch (state) {
1953         case ETHTOOL_ID_ACTIVE:
1954                 pm_runtime_get_sync(netdev->dev.parent);
1955
1956                 if (!hw->mac.ops.blink_led)
1957                         return 2;       /* cycle on/off twice per second */
1958
1959                 hw->mac.ops.blink_led(hw);
1960                 break;
1961
1962         case ETHTOOL_ID_INACTIVE:
1963                 if (hw->phy.type == e1000_phy_ife)
1964                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1965                 hw->mac.ops.led_off(hw);
1966                 hw->mac.ops.cleanup_led(hw);
1967                 pm_runtime_put_sync(netdev->dev.parent);
1968                 break;
1969
1970         case ETHTOOL_ID_ON:
1971                 hw->mac.ops.led_on(hw);
1972                 break;
1973
1974         case ETHTOOL_ID_OFF:
1975                 hw->mac.ops.led_off(hw);
1976                 break;
1977         }
1978
1979         return 0;
1980 }
1981
1982 static int e1000_get_coalesce(struct net_device *netdev,
1983                               struct ethtool_coalesce *ec)
1984 {
1985         struct e1000_adapter *adapter = netdev_priv(netdev);
1986
1987         if (adapter->itr_setting <= 4)
1988                 ec->rx_coalesce_usecs = adapter->itr_setting;
1989         else
1990                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1991
1992         return 0;
1993 }
1994
1995 static int e1000_set_coalesce(struct net_device *netdev,
1996                               struct ethtool_coalesce *ec)
1997 {
1998         struct e1000_adapter *adapter = netdev_priv(netdev);
1999
2000         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2001             ((ec->rx_coalesce_usecs > 4) &&
2002              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2003             (ec->rx_coalesce_usecs == 2))
2004                 return -EINVAL;
2005
2006         if (ec->rx_coalesce_usecs == 4) {
2007                 adapter->itr_setting = 4;
2008                 adapter->itr = adapter->itr_setting;
2009         } else if (ec->rx_coalesce_usecs <= 3) {
2010                 adapter->itr = 20000;
2011                 adapter->itr_setting = ec->rx_coalesce_usecs;
2012         } else {
2013                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2014                 adapter->itr_setting = adapter->itr & ~3;
2015         }
2016
2017         pm_runtime_get_sync(netdev->dev.parent);
2018
2019         if (adapter->itr_setting != 0)
2020                 e1000e_write_itr(adapter, adapter->itr);
2021         else
2022                 e1000e_write_itr(adapter, 0);
2023
2024         pm_runtime_put_sync(netdev->dev.parent);
2025
2026         return 0;
2027 }
2028
2029 static int e1000_nway_reset(struct net_device *netdev)
2030 {
2031         struct e1000_adapter *adapter = netdev_priv(netdev);
2032
2033         if (!netif_running(netdev))
2034                 return -EAGAIN;
2035
2036         if (!adapter->hw.mac.autoneg)
2037                 return -EINVAL;
2038
2039         pm_runtime_get_sync(netdev->dev.parent);
2040         e1000e_reinit_locked(adapter);
2041         pm_runtime_put_sync(netdev->dev.parent);
2042
2043         return 0;
2044 }
2045
2046 static void e1000_get_ethtool_stats(struct net_device *netdev,
2047                                     struct ethtool_stats __always_unused *stats,
2048                                     u64 *data)
2049 {
2050         struct e1000_adapter *adapter = netdev_priv(netdev);
2051         struct rtnl_link_stats64 net_stats;
2052         int i;
2053         char *p = NULL;
2054
2055         pm_runtime_get_sync(netdev->dev.parent);
2056
2057         e1000e_get_stats64(netdev, &net_stats);
2058
2059         pm_runtime_put_sync(netdev->dev.parent);
2060
2061         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2062                 switch (e1000_gstrings_stats[i].type) {
2063                 case NETDEV_STATS:
2064                         p = (char *)&net_stats +
2065                             e1000_gstrings_stats[i].stat_offset;
2066                         break;
2067                 case E1000_STATS:
2068                         p = (char *)adapter +
2069                             e1000_gstrings_stats[i].stat_offset;
2070                         break;
2071                 default:
2072                         data[i] = 0;
2073                         continue;
2074                 }
2075
2076                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2077                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2078         }
2079 }
2080
2081 static void e1000_get_strings(struct net_device __always_unused *netdev,
2082                               u32 stringset, u8 *data)
2083 {
2084         u8 *p = data;
2085         int i;
2086
2087         switch (stringset) {
2088         case ETH_SS_TEST:
2089                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2090                 break;
2091         case ETH_SS_STATS:
2092                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2093                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2094                                ETH_GSTRING_LEN);
2095                         p += ETH_GSTRING_LEN;
2096                 }
2097                 break;
2098         }
2099 }
2100
2101 static int e1000_get_rxnfc(struct net_device *netdev,
2102                            struct ethtool_rxnfc *info,
2103                            u32 __always_unused *rule_locs)
2104 {
2105         info->data = 0;
2106
2107         switch (info->cmd) {
2108         case ETHTOOL_GRXFH: {
2109                 struct e1000_adapter *adapter = netdev_priv(netdev);
2110                 struct e1000_hw *hw = &adapter->hw;
2111                 u32 mrqc;
2112
2113                 pm_runtime_get_sync(netdev->dev.parent);
2114                 mrqc = er32(MRQC);
2115                 pm_runtime_put_sync(netdev->dev.parent);
2116
2117                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2118                         return 0;
2119
2120                 switch (info->flow_type) {
2121                 case TCP_V4_FLOW:
2122                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2123                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2124                         /* fall through */
2125                 case UDP_V4_FLOW:
2126                 case SCTP_V4_FLOW:
2127                 case AH_ESP_V4_FLOW:
2128                 case IPV4_FLOW:
2129                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2130                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2131                         break;
2132                 case TCP_V6_FLOW:
2133                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2134                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2135                         /* fall through */
2136                 case UDP_V6_FLOW:
2137                 case SCTP_V6_FLOW:
2138                 case AH_ESP_V6_FLOW:
2139                 case IPV6_FLOW:
2140                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2141                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2142                         break;
2143                 default:
2144                         break;
2145                 }
2146                 return 0;
2147         }
2148         default:
2149                 return -EOPNOTSUPP;
2150         }
2151 }
2152
2153 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2154 {
2155         struct e1000_adapter *adapter = netdev_priv(netdev);
2156         struct e1000_hw *hw = &adapter->hw;
2157         u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2158         u32 ret_val;
2159
2160         if (!(adapter->flags2 & FLAG2_HAS_EEE))
2161                 return -EOPNOTSUPP;
2162
2163         switch (hw->phy.type) {
2164         case e1000_phy_82579:
2165                 cap_addr = I82579_EEE_CAPABILITY;
2166                 lpa_addr = I82579_EEE_LP_ABILITY;
2167                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2168                 break;
2169         case e1000_phy_i217:
2170                 cap_addr = I217_EEE_CAPABILITY;
2171                 lpa_addr = I217_EEE_LP_ABILITY;
2172                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2173                 break;
2174         default:
2175                 return -EOPNOTSUPP;
2176         }
2177
2178         pm_runtime_get_sync(netdev->dev.parent);
2179
2180         ret_val = hw->phy.ops.acquire(hw);
2181         if (ret_val) {
2182                 pm_runtime_put_sync(netdev->dev.parent);
2183                 return -EBUSY;
2184         }
2185
2186         /* EEE Capability */
2187         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2188         if (ret_val)
2189                 goto release;
2190         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2191
2192         /* EEE Advertised */
2193         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2194
2195         /* EEE Link Partner Advertised */
2196         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2197         if (ret_val)
2198                 goto release;
2199         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2200
2201         /* EEE PCS Status */
2202         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2203         if (ret_val)
2204                 goto release;
2205         if (hw->phy.type == e1000_phy_82579)
2206                 phy_data <<= 8;
2207
2208         /* Result of the EEE auto negotiation - there is no register that
2209          * has the status of the EEE negotiation so do a best-guess based
2210          * on whether Tx or Rx LPI indications have been received.
2211          */
2212         if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2213                 edata->eee_active = true;
2214
2215         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2216         edata->tx_lpi_enabled = true;
2217         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2218
2219 release:
2220         hw->phy.ops.release(hw);
2221         if (ret_val)
2222                 ret_val = -ENODATA;
2223
2224         pm_runtime_put_sync(netdev->dev.parent);
2225
2226         return ret_val;
2227 }
2228
2229 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2230 {
2231         struct e1000_adapter *adapter = netdev_priv(netdev);
2232         struct e1000_hw *hw = &adapter->hw;
2233         struct ethtool_eee eee_curr;
2234         s32 ret_val;
2235
2236         ret_val = e1000e_get_eee(netdev, &eee_curr);
2237         if (ret_val)
2238                 return ret_val;
2239
2240         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2241                 e_err("Setting EEE tx-lpi is not supported\n");
2242                 return -EINVAL;
2243         }
2244
2245         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2246                 e_err("Setting EEE Tx LPI timer is not supported\n");
2247                 return -EINVAL;
2248         }
2249
2250         if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2251                 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2252                 return -EINVAL;
2253         }
2254
2255         adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2256
2257         hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2258
2259         pm_runtime_get_sync(netdev->dev.parent);
2260
2261         /* reset the link */
2262         if (netif_running(netdev))
2263                 e1000e_reinit_locked(adapter);
2264         else
2265                 e1000e_reset(adapter);
2266
2267         pm_runtime_put_sync(netdev->dev.parent);
2268
2269         return 0;
2270 }
2271
2272 static int e1000e_get_ts_info(struct net_device *netdev,
2273                               struct ethtool_ts_info *info)
2274 {
2275         struct e1000_adapter *adapter = netdev_priv(netdev);
2276
2277         ethtool_op_get_ts_info(netdev, info);
2278
2279         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2280                 return 0;
2281
2282         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2283                                   SOF_TIMESTAMPING_RX_HARDWARE |
2284                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2285
2286         info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2287
2288         info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
2289                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2290                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2291                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2292                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2293                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2294                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2295                             (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2296                             (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2297                             (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2298                             (1 << HWTSTAMP_FILTER_ALL));
2299
2300         if (adapter->ptp_clock)
2301                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2302
2303         return 0;
2304 }
2305
2306 static const struct ethtool_ops e1000_ethtool_ops = {
2307         .get_settings           = e1000_get_settings,
2308         .set_settings           = e1000_set_settings,
2309         .get_drvinfo            = e1000_get_drvinfo,
2310         .get_regs_len           = e1000_get_regs_len,
2311         .get_regs               = e1000_get_regs,
2312         .get_wol                = e1000_get_wol,
2313         .set_wol                = e1000_set_wol,
2314         .get_msglevel           = e1000_get_msglevel,
2315         .set_msglevel           = e1000_set_msglevel,
2316         .nway_reset             = e1000_nway_reset,
2317         .get_link               = ethtool_op_get_link,
2318         .get_eeprom_len         = e1000_get_eeprom_len,
2319         .get_eeprom             = e1000_get_eeprom,
2320         .set_eeprom             = e1000_set_eeprom,
2321         .get_ringparam          = e1000_get_ringparam,
2322         .set_ringparam          = e1000_set_ringparam,
2323         .get_pauseparam         = e1000_get_pauseparam,
2324         .set_pauseparam         = e1000_set_pauseparam,
2325         .self_test              = e1000_diag_test,
2326         .get_strings            = e1000_get_strings,
2327         .set_phys_id            = e1000_set_phys_id,
2328         .get_ethtool_stats      = e1000_get_ethtool_stats,
2329         .get_sset_count         = e1000e_get_sset_count,
2330         .get_coalesce           = e1000_get_coalesce,
2331         .set_coalesce           = e1000_set_coalesce,
2332         .get_rxnfc              = e1000_get_rxnfc,
2333         .get_ts_info            = e1000e_get_ts_info,
2334         .get_eee                = e1000e_get_eee,
2335         .set_eee                = e1000e_set_eee,
2336 };
2337
2338 void e1000e_set_ethtool_ops(struct net_device *netdev)
2339 {
2340         netdev->ethtool_ops = &e1000_ethtool_ops;
2341 }