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

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2013 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include <linux/netdevice.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/pci.h>
  35 #include <linux/slab.h>
  36 #include <linux/delay.h>
  37 #include <linux/vmalloc.h>
  38 #include <linux/mdio.h>
  39
  40 #include "e1000.h"
  41
  42 enum {NETDEV_STATS, E1000_STATS};
  43
  44 struct e1000_stats {
  45         char stat_string[ETH_GSTRING_LEN];
  46         int type;
  47         int sizeof_stat;
  48         int stat_offset;
  49 };
  50
  51 #define E1000_STAT(str, m) { \
  52                 .stat_string = str, \
  53                 .type = E1000_STATS, \
  54                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  55                 .stat_offset = offsetof(struct e1000_adapter, m) }
  56 #define E1000_NETDEV_STAT(str, m) { \
  57                 .stat_string = str, \
  58                 .type = NETDEV_STATS, \
  59                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  60                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  61
  62 static const struct e1000_stats e1000_gstrings_stats[] = {
  63         E1000_STAT("rx_packets", stats.gprc),
  64         E1000_STAT("tx_packets", stats.gptc),
  65         E1000_STAT("rx_bytes", stats.gorc),
  66         E1000_STAT("tx_bytes", stats.gotc),
  67         E1000_STAT("rx_broadcast", stats.bprc),
  68         E1000_STAT("tx_broadcast", stats.bptc),
  69         E1000_STAT("rx_multicast", stats.mprc),
  70         E1000_STAT("tx_multicast", stats.mptc),
  71         E1000_NETDEV_STAT("rx_errors", rx_errors),
  72         E1000_NETDEV_STAT("tx_errors", tx_errors),
  73         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  74         E1000_STAT("multicast", stats.mprc),
  75         E1000_STAT("collisions", stats.colc),
  76         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  77         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  78         E1000_STAT("rx_crc_errors", stats.crcerrs),
  79         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  80         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  81         E1000_STAT("rx_missed_errors", stats.mpc),
  82         E1000_STAT("tx_aborted_errors", stats.ecol),
  83         E1000_STAT("tx_carrier_errors", stats.tncrs),
  84         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  85         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  86         E1000_STAT("tx_window_errors", stats.latecol),
  87         E1000_STAT("tx_abort_late_coll", stats.latecol),
  88         E1000_STAT("tx_deferred_ok", stats.dc),
  89         E1000_STAT("tx_single_coll_ok", stats.scc),
  90         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  91         E1000_STAT("tx_timeout_count", tx_timeout_count),
  92         E1000_STAT("tx_restart_queue", restart_queue),
  93         E1000_STAT("rx_long_length_errors", stats.roc),
  94         E1000_STAT("rx_short_length_errors", stats.ruc),
  95         E1000_STAT("rx_align_errors", stats.algnerrc),
  96         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  97         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  98         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  99         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
 100         E1000_STAT("tx_flow_control_xon", stats.xontxc),
 101         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
 102         E1000_STAT("rx_csum_offload_good", hw_csum_good),
 103         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
 104         E1000_STAT("rx_header_split", rx_hdr_split),
 105         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
 106         E1000_STAT("tx_smbus", stats.mgptc),
 107         E1000_STAT("rx_smbus", stats.mgprc),
 108         E1000_STAT("dropped_smbus", stats.mgpdc),
 109         E1000_STAT("rx_dma_failed", rx_dma_failed),
 110         E1000_STAT("tx_dma_failed", tx_dma_failed),
 111         E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 112         E1000_STAT("uncorr_ecc_errors", uncorr_errors),
 113         E1000_STAT("corr_ecc_errors", corr_errors),
 114 };
 115
 116 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 117 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 118 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 119         "Register test  (offline)", "Eeprom test    (offline)",
 120         "Interrupt test (offline)", "Loopback test  (offline)",
 121         "Link test   (on/offline)"
 122 };
 123 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 124
 125 static int e1000_get_settings(struct net_device *netdev,
 126                               struct ethtool_cmd *ecmd)
 127 {
 128         struct e1000_adapter *adapter = netdev_priv(netdev);
 129         struct e1000_hw *hw = &adapter->hw;
 130         u32 speed;
 131
 132         if (hw->phy.media_type == e1000_media_type_copper) {
 133                 ecmd->supported = (SUPPORTED_10baseT_Half |
 134                                    SUPPORTED_10baseT_Full |
 135                                    SUPPORTED_100baseT_Half |
 136                                    SUPPORTED_100baseT_Full |
 137                                    SUPPORTED_1000baseT_Full |
 138                                    SUPPORTED_Autoneg |
 139                                    SUPPORTED_TP);
 140                 if (hw->phy.type == e1000_phy_ife)
 141                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 142                 ecmd->advertising = ADVERTISED_TP;
 143
 144                 if (hw->mac.autoneg == 1) {
 145                         ecmd->advertising |= ADVERTISED_Autoneg;
 146                         /* the e1000 autoneg seems to match ethtool nicely */
 147                         ecmd->advertising |= hw->phy.autoneg_advertised;
 148                 }
 149
 150                 ecmd->port = PORT_TP;
 151                 ecmd->phy_address = hw->phy.addr;
 152                 ecmd->transceiver = XCVR_INTERNAL;
 153
 154         } else {
 155                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 156                                      SUPPORTED_FIBRE |
 157                                      SUPPORTED_Autoneg);
 158
 159                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 160                                      ADVERTISED_FIBRE |
 161                                      ADVERTISED_Autoneg);
 162
 163                 ecmd->port = PORT_FIBRE;
 164                 ecmd->transceiver = XCVR_EXTERNAL;
 165         }
 166
 167         speed = -1;
 168         ecmd->duplex = -1;
 169
 170         if (netif_running(netdev)) {
 171                 if (netif_carrier_ok(netdev)) {
 172                         speed = adapter->link_speed;
 173                         ecmd->duplex = adapter->link_duplex - 1;
 174                 }
 175         } else {
 176                 u32 status = er32(STATUS);
 177                 if (status & E1000_STATUS_LU) {
 178                         if (status & E1000_STATUS_SPEED_1000)
 179                                 speed = SPEED_1000;
 180                         else if (status & E1000_STATUS_SPEED_100)
 181                                 speed = SPEED_100;
 182                         else
 183                                 speed = SPEED_10;
 184
 185                         if (status & E1000_STATUS_FD)
 186                                 ecmd->duplex = DUPLEX_FULL;
 187                         else
 188                                 ecmd->duplex = DUPLEX_HALF;
 189                 }
 190         }
 191
 192         ethtool_cmd_speed_set(ecmd, speed);
 193         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 194                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 195
 196         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 197         if ((hw->phy.media_type == e1000_media_type_copper) &&
 198             netif_carrier_ok(netdev))
 199                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
 200                                                       ETH_TP_MDI;
 201         else
 202                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 203
 204         if (hw->phy.mdix == AUTO_ALL_MODES)
 205                 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 206         else
 207                 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
 208
 209         return 0;
 210 }
 211
 212 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 213 {
 214         struct e1000_mac_info *mac = &adapter->hw.mac;
 215
 216         mac->autoneg = 0;
 217
 218         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 219          * for the switch() below to work
 220          */
 221         if ((spd & 1) || (dplx & ~1))
 222                 goto err_inval;
 223
 224         /* Fiber NICs only allow 1000 gbps Full duplex */
 225         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 226             spd != SPEED_1000 &&
 227             dplx != DUPLEX_FULL) {
 228                 goto err_inval;
 229         }
 230
 231         switch (spd + dplx) {
 232         case SPEED_10 + DUPLEX_HALF:
 233                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 234                 break;
 235         case SPEED_10 + DUPLEX_FULL:
 236                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 237                 break;
 238         case SPEED_100 + DUPLEX_HALF:
 239                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 240                 break;
 241         case SPEED_100 + DUPLEX_FULL:
 242                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 243                 break;
 244         case SPEED_1000 + DUPLEX_FULL:
 245                 mac->autoneg = 1;
 246                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 247                 break;
 248         case SPEED_1000 + DUPLEX_HALF: /* not supported */
 249         default:
 250                 goto err_inval;
 251         }
 252
 253         /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 254         adapter->hw.phy.mdix = AUTO_ALL_MODES;
 255
 256         return 0;
 257
 258 err_inval:
 259         e_err("Unsupported Speed/Duplex configuration\n");
 260         return -EINVAL;
 261 }
 262
 263 static int e1000_set_settings(struct net_device *netdev,
 264                               struct ethtool_cmd *ecmd)
 265 {
 266         struct e1000_adapter *adapter = netdev_priv(netdev);
 267         struct e1000_hw *hw = &adapter->hw;
 268
 269         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 270          * cannot be changed
 271          */
 272         if (hw->phy.ops.check_reset_block &&
 273             hw->phy.ops.check_reset_block(hw)) {
 274                 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 275                 return -EINVAL;
 276         }
 277
 278         /* MDI setting is only allowed when autoneg enabled because
 279          * some hardware doesn't allow MDI setting when speed or
 280          * duplex is forced.
 281          */
 282         if (ecmd->eth_tp_mdix_ctrl) {
 283                 if (hw->phy.media_type != e1000_media_type_copper)
 284                         return -EOPNOTSUPP;
 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                         return -EINVAL;
 290                 }
 291         }
 292
 293         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 294                 usleep_range(1000, 2000);
 295
 296         if (ecmd->autoneg == AUTONEG_ENABLE) {
 297                 hw->mac.autoneg = 1;
 298                 if (hw->phy.media_type == e1000_media_type_fiber)
 299                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 300                                                      ADVERTISED_FIBRE |
 301                                                      ADVERTISED_Autoneg;
 302                 else
 303                         hw->phy.autoneg_advertised = ecmd->advertising |
 304                                                      ADVERTISED_TP |
 305                                                      ADVERTISED_Autoneg;
 306                 ecmd->advertising = hw->phy.autoneg_advertised;
 307                 if (adapter->fc_autoneg)
 308                         hw->fc.requested_mode = e1000_fc_default;
 309         } else {
 310                 u32 speed = ethtool_cmd_speed(ecmd);
 311                 /* calling this overrides forced MDI setting */
 312                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 313                         clear_bit(__E1000_RESETTING, &adapter->state);
 314                         return -EINVAL;
 315                 }
 316         }
 317
 318         /* MDI-X => 2; MDI => 1; Auto => 3 */
 319         if (ecmd->eth_tp_mdix_ctrl) {
 320                 /* fix up the value for auto (3 => 0) as zero is mapped
 321                  * internally to auto
 322                  */
 323                 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 324                         hw->phy.mdix = AUTO_ALL_MODES;
 325                 else
 326                         hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
 327         }
 328
 329         /* reset the link */
 330         if (netif_running(adapter->netdev)) {
 331                 e1000e_down(adapter);
 332                 e1000e_up(adapter);
 333         } else {
 334                 e1000e_reset(adapter);
 335         }
 336
 337         clear_bit(__E1000_RESETTING, &adapter->state);
 338         return 0;
 339 }
 340
 341 static void e1000_get_pauseparam(struct net_device *netdev,
 342                                  struct ethtool_pauseparam *pause)
 343 {
 344         struct e1000_adapter *adapter = netdev_priv(netdev);
 345         struct e1000_hw *hw = &adapter->hw;
 346
 347         pause->autoneg =
 348                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 349
 350         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 351                 pause->rx_pause = 1;
 352         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 353                 pause->tx_pause = 1;
 354         } else if (hw->fc.current_mode == e1000_fc_full) {
 355                 pause->rx_pause = 1;
 356                 pause->tx_pause = 1;
 357         }
 358 }
 359
 360 static int e1000_set_pauseparam(struct net_device *netdev,
 361                                 struct ethtool_pauseparam *pause)
 362 {
 363         struct e1000_adapter *adapter = netdev_priv(netdev);
 364         struct e1000_hw *hw = &adapter->hw;
 365         int retval = 0;
 366
 367         adapter->fc_autoneg = pause->autoneg;
 368
 369         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 370                 usleep_range(1000, 2000);
 371
 372         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 373                 hw->fc.requested_mode = e1000_fc_default;
 374                 if (netif_running(adapter->netdev)) {
 375                         e1000e_down(adapter);
 376                         e1000e_up(adapter);
 377                 } else {
 378                         e1000e_reset(adapter);
 379                 }
 380         } else {
 381                 if (pause->rx_pause && pause->tx_pause)
 382                         hw->fc.requested_mode = e1000_fc_full;
 383                 else if (pause->rx_pause && !pause->tx_pause)
 384                         hw->fc.requested_mode = e1000_fc_rx_pause;
 385                 else if (!pause->rx_pause && pause->tx_pause)
 386                         hw->fc.requested_mode = e1000_fc_tx_pause;
 387                 else if (!pause->rx_pause && !pause->tx_pause)
 388                         hw->fc.requested_mode = e1000_fc_none;
 389
 390                 hw->fc.current_mode = hw->fc.requested_mode;
 391
 392                 if (hw->phy.media_type == e1000_media_type_fiber) {
 393                         retval = hw->mac.ops.setup_link(hw);
 394                         /* implicit goto out */
 395                 } else {
 396                         retval = e1000e_force_mac_fc(hw);
 397                         if (retval)
 398                                 goto out;
 399                         e1000e_set_fc_watermarks(hw);
 400                 }
 401         }
 402
 403 out:
 404         clear_bit(__E1000_RESETTING, &adapter->state);
 405         return retval;
 406 }
 407
 408 static u32 e1000_get_msglevel(struct net_device *netdev)
 409 {
 410         struct e1000_adapter *adapter = netdev_priv(netdev);
 411         return adapter->msg_enable;
 412 }
 413
 414 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 415 {
 416         struct e1000_adapter *adapter = netdev_priv(netdev);
 417         adapter->msg_enable = data;
 418 }
 419
 420 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 421 {
 422 #define E1000_REGS_LEN 32 /* overestimate */
 423         return E1000_REGS_LEN * sizeof(u32);
 424 }
 425
 426 static void e1000_get_regs(struct net_device *netdev,
 427                            struct ethtool_regs *regs, void *p)
 428 {
 429         struct e1000_adapter *adapter = netdev_priv(netdev);
 430         struct e1000_hw *hw = &adapter->hw;
 431         u32 *regs_buff = p;
 432         u16 phy_data;
 433
 434         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 435
 436         regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
 437                         adapter->pdev->device;
 438
 439         regs_buff[0]  = er32(CTRL);
 440         regs_buff[1]  = er32(STATUS);
 441
 442         regs_buff[2]  = er32(RCTL);
 443         regs_buff[3]  = er32(RDLEN(0));
 444         regs_buff[4]  = er32(RDH(0));
 445         regs_buff[5]  = er32(RDT(0));
 446         regs_buff[6]  = er32(RDTR);
 447
 448         regs_buff[7]  = er32(TCTL);
 449         regs_buff[8]  = er32(TDLEN(0));
 450         regs_buff[9]  = er32(TDH(0));
 451         regs_buff[10] = er32(TDT(0));
 452         regs_buff[11] = er32(TIDV);
 453
 454         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 455
 456         /* ethtool doesn't use anything past this point, so all this
 457          * code is likely legacy junk for apps that may or may not exist
 458          */
 459         if (hw->phy.type == e1000_phy_m88) {
 460                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 461                 regs_buff[13] = (u32)phy_data; /* cable length */
 462                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 463                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 464                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 465                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 466                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 467                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 468                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 469                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 470                 /* phy receive errors */
 471                 regs_buff[22] = adapter->phy_stats.receive_errors;
 472                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 473         }
 474         regs_buff[21] = 0;      /* was idle_errors */
 475         e1e_rphy(hw, MII_STAT1000, &phy_data);
 476         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 477         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 478 }
 479
 480 static int e1000_get_eeprom_len(struct net_device *netdev)
 481 {
 482         struct e1000_adapter *adapter = netdev_priv(netdev);
 483         return adapter->hw.nvm.word_size * 2;
 484 }
 485
 486 static int e1000_get_eeprom(struct net_device *netdev,
 487                             struct ethtool_eeprom *eeprom, u8 *bytes)
 488 {
 489         struct e1000_adapter *adapter = netdev_priv(netdev);
 490         struct e1000_hw *hw = &adapter->hw;
 491         u16 *eeprom_buff;
 492         int first_word;
 493         int last_word;
 494         int ret_val = 0;
 495         u16 i;
 496
 497         if (eeprom->len == 0)
 498                 return -EINVAL;
 499
 500         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 501
 502         first_word = eeprom->offset >> 1;
 503         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 504
 505         eeprom_buff = kmalloc(sizeof(u16) *
 506                         (last_word - first_word + 1), GFP_KERNEL);
 507         if (!eeprom_buff)
 508                 return -ENOMEM;
 509
 510         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 511                 ret_val = e1000_read_nvm(hw, first_word,
 512                                          last_word - first_word + 1,
 513                                          eeprom_buff);
 514         } else {
 515                 for (i = 0; i < last_word - first_word + 1; i++) {
 516                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 517                                                       &eeprom_buff[i]);
 518                         if (ret_val)
 519                                 break;
 520                 }
 521         }
 522
 523         if (ret_val) {
 524                 /* a read error occurred, throw away the result */
 525                 memset(eeprom_buff, 0xff, sizeof(u16) *
 526                        (last_word - first_word + 1));
 527         } else {
 528                 /* Device's eeprom is always little-endian, word addressable */
 529                 for (i = 0; i < last_word - first_word + 1; i++)
 530                         le16_to_cpus(&eeprom_buff[i]);
 531         }
 532
 533         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 534         kfree(eeprom_buff);
 535
 536         return ret_val;
 537 }
 538
 539 static int e1000_set_eeprom(struct net_device *netdev,
 540                             struct ethtool_eeprom *eeprom, u8 *bytes)
 541 {
 542         struct e1000_adapter *adapter = netdev_priv(netdev);
 543         struct e1000_hw *hw = &adapter->hw;
 544         u16 *eeprom_buff;
 545         void *ptr;
 546         int max_len;
 547         int first_word;
 548         int last_word;
 549         int ret_val = 0;
 550         u16 i;
 551
 552         if (eeprom->len == 0)
 553                 return -EOPNOTSUPP;
 554
 555         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 556                 return -EFAULT;
 557
 558         if (adapter->flags & FLAG_READ_ONLY_NVM)
 559                 return -EINVAL;
 560
 561         max_len = hw->nvm.word_size * 2;
 562
 563         first_word = eeprom->offset >> 1;
 564         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 565         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 566         if (!eeprom_buff)
 567                 return -ENOMEM;
 568
 569         ptr = (void *)eeprom_buff;
 570
 571         if (eeprom->offset & 1) {
 572                 /* need read/modify/write of first changed EEPROM word */
 573                 /* only the second byte of the word is being modified */
 574                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 575                 ptr++;
 576         }
 577         if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
 578                 /* need read/modify/write of last changed EEPROM word */
 579                 /* only the first byte of the word is being modified */
 580                 ret_val = e1000_read_nvm(hw, last_word, 1,
 581                                   &eeprom_buff[last_word - first_word]);
 582
 583         if (ret_val)
 584                 goto out;
 585
 586         /* Device's eeprom is always little-endian, word addressable */
 587         for (i = 0; i < last_word - first_word + 1; i++)
 588                 le16_to_cpus(&eeprom_buff[i]);
 589
 590         memcpy(ptr, bytes, eeprom->len);
 591
 592         for (i = 0; i < last_word - first_word + 1; i++)
 593                 cpu_to_le16s(&eeprom_buff[i]);
 594
 595         ret_val = e1000_write_nvm(hw, first_word,
 596                                   last_word - first_word + 1, eeprom_buff);
 597
 598         if (ret_val)
 599                 goto out;
 600
 601         /* Update the checksum over the first part of the EEPROM if needed
 602          * and flush shadow RAM for applicable controllers
 603          */
 604         if ((first_word <= NVM_CHECKSUM_REG) ||
 605             (hw->mac.type == e1000_82583) ||
 606             (hw->mac.type == e1000_82574) ||
 607             (hw->mac.type == e1000_82573))
 608                 ret_val = e1000e_update_nvm_checksum(hw);
 609
 610 out:
 611         kfree(eeprom_buff);
 612         return ret_val;
 613 }
 614
 615 static void e1000_get_drvinfo(struct net_device *netdev,
 616                               struct ethtool_drvinfo *drvinfo)
 617 {
 618         struct e1000_adapter *adapter = netdev_priv(netdev);
 619
 620         strlcpy(drvinfo->driver,  e1000e_driver_name,
 621                 sizeof(drvinfo->driver));
 622         strlcpy(drvinfo->version, e1000e_driver_version,
 623                 sizeof(drvinfo->version));
 624
 625         /* EEPROM image version # is reported as firmware version # for
 626          * PCI-E controllers
 627          */
 628         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 629                 "%d.%d-%d",
 630                 (adapter->eeprom_vers & 0xF000) >> 12,
 631                 (adapter->eeprom_vers & 0x0FF0) >> 4,
 632                 (adapter->eeprom_vers & 0x000F));
 633
 634         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 635                 sizeof(drvinfo->bus_info));
 636         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 637         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 638 }
 639
 640 static void e1000_get_ringparam(struct net_device *netdev,
 641                                 struct ethtool_ringparam *ring)
 642 {
 643         struct e1000_adapter *adapter = netdev_priv(netdev);
 644
 645         ring->rx_max_pending = E1000_MAX_RXD;
 646         ring->tx_max_pending = E1000_MAX_TXD;
 647         ring->rx_pending = adapter->rx_ring_count;
 648         ring->tx_pending = adapter->tx_ring_count;
 649 }
 650
 651 static int e1000_set_ringparam(struct net_device *netdev,
 652                                struct ethtool_ringparam *ring)
 653 {
 654         struct e1000_adapter *adapter = netdev_priv(netdev);
 655         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 656         int err = 0, size = sizeof(struct e1000_ring);
 657         bool set_tx = false, set_rx = false;
 658         u16 new_rx_count, new_tx_count;
 659
 660         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 661                 return -EINVAL;
 662
 663         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 664                                E1000_MAX_RXD);
 665         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 666
 667         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 668                                E1000_MAX_TXD);
 669         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 670
 671         if ((new_tx_count == adapter->tx_ring_count) &&
 672             (new_rx_count == adapter->rx_ring_count))
 673                 /* nothing to do */
 674                 return 0;
 675
 676         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 677                 usleep_range(1000, 2000);
 678
 679         if (!netif_running(adapter->netdev)) {
 680                 /* Set counts now and allocate resources during open() */
 681                 adapter->tx_ring->count = new_tx_count;
 682                 adapter->rx_ring->count = new_rx_count;
 683                 adapter->tx_ring_count = new_tx_count;
 684                 adapter->rx_ring_count = new_rx_count;
 685                 goto clear_reset;
 686         }
 687
 688         set_tx = (new_tx_count != adapter->tx_ring_count);
 689         set_rx = (new_rx_count != adapter->rx_ring_count);
 690
 691         /* Allocate temporary storage for ring updates */
 692         if (set_tx) {
 693                 temp_tx = vmalloc(size);
 694                 if (!temp_tx) {
 695                         err = -ENOMEM;
 696                         goto free_temp;
 697                 }
 698         }
 699         if (set_rx) {
 700                 temp_rx = vmalloc(size);
 701                 if (!temp_rx) {
 702                         err = -ENOMEM;
 703                         goto free_temp;
 704                 }
 705         }
 706
 707         e1000e_down(adapter);
 708
 709         /* We can't just free everything and then setup again, because the
 710          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 711          * structs.  First, attempt to allocate new resources...
 712          */
 713         if (set_tx) {
 714                 memcpy(temp_tx, adapter->tx_ring, size);
 715                 temp_tx->count = new_tx_count;
 716                 err = e1000e_setup_tx_resources(temp_tx);
 717                 if (err)
 718                         goto err_setup;
 719         }
 720         if (set_rx) {
 721                 memcpy(temp_rx, adapter->rx_ring, size);
 722                 temp_rx->count = new_rx_count;
 723                 err = e1000e_setup_rx_resources(temp_rx);
 724                 if (err)
 725                         goto err_setup_rx;
 726         }
 727
 728         /* ...then free the old resources and copy back any new ring data */
 729         if (set_tx) {
 730                 e1000e_free_tx_resources(adapter->tx_ring);
 731                 memcpy(adapter->tx_ring, temp_tx, size);
 732                 adapter->tx_ring_count = new_tx_count;
 733         }
 734         if (set_rx) {
 735                 e1000e_free_rx_resources(adapter->rx_ring);
 736                 memcpy(adapter->rx_ring, temp_rx, size);
 737                 adapter->rx_ring_count = new_rx_count;
 738         }
 739
 740 err_setup_rx:
 741         if (err && set_tx)
 742                 e1000e_free_tx_resources(temp_tx);
 743 err_setup:
 744         e1000e_up(adapter);
 745 free_temp:
 746         vfree(temp_tx);
 747         vfree(temp_rx);
 748 clear_reset:
 749         clear_bit(__E1000_RESETTING, &adapter->state);
 750         return err;
 751 }
 752
 753 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 754                              int reg, int offset, u32 mask, u32 write)
 755 {
 756         u32 pat, val;
 757         static const u32 test[] = {
 758                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 759         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 760                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 761                                       (test[pat] & write));
 762                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 763                 if (val != (test[pat] & write & mask)) {
 764                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 765                               reg + (offset << 2), val,
 766                               (test[pat] & write & mask));
 767                         *data = reg;
 768                         return 1;
 769                 }
 770         }
 771         return 0;
 772 }
 773
 774 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 775                               int reg, u32 mask, u32 write)
 776 {
 777         u32 val;
 778         __ew32(&adapter->hw, reg, write & mask);
 779         val = __er32(&adapter->hw, reg);
 780         if ((write & mask) != (val & mask)) {
 781                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 782                       reg, (val & mask), (write & mask));
 783                 *data = reg;
 784                 return 1;
 785         }
 786         return 0;
 787 }
 788 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 789         do {                                                                   \
 790                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 791                         return 1;                                              \
 792         } while (0)
 793 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 794         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 795
 796 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 797         do {                                                                   \
 798                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 799                         return 1;                                              \
 800         } while (0)
 801
 802 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 803 {
 804         struct e1000_hw *hw = &adapter->hw;
 805         struct e1000_mac_info *mac = &adapter->hw.mac;
 806         u32 value;
 807         u32 before;
 808         u32 after;
 809         u32 i;
 810         u32 toggle;
 811         u32 mask;
 812         u32 wlock_mac = 0;
 813
 814         /* The status register is Read Only, so a write should fail.
 815          * Some bits that get toggled are ignored.
 816          */
 817         switch (mac->type) {
 818         /* there are several bits on newer hardware that are r/w */
 819         case e1000_82571:
 820         case e1000_82572:
 821         case e1000_80003es2lan:
 822                 toggle = 0x7FFFF3FF;
 823                 break;
 824         default:
 825                 toggle = 0x7FFFF033;
 826                 break;
 827         }
 828
 829         before = er32(STATUS);
 830         value = (er32(STATUS) & toggle);
 831         ew32(STATUS, toggle);
 832         after = er32(STATUS) & toggle;
 833         if (value != after) {
 834                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 835                       after, value);
 836                 *data = 1;
 837                 return 1;
 838         }
 839         /* restore previous status */
 840         ew32(STATUS, before);
 841
 842         if (!(adapter->flags & FLAG_IS_ICH)) {
 843                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 844                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 845                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 846                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 847         }
 848
 849         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 850         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 851         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 852         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 853         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 854         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 855         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 856         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 857         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 858         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 859
 860         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 861
 862         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 863         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 864         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 865
 866         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 867         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 868         if (!(adapter->flags & FLAG_IS_ICH))
 869                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 870         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 871         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 872         mask = 0x8003FFFF;
 873         switch (mac->type) {
 874         case e1000_ich10lan:
 875         case e1000_pchlan:
 876         case e1000_pch2lan:
 877         case e1000_pch_lpt:
 878                 mask |= (1 << 18);
 879                 break;
 880         default:
 881                 break;
 882         }
 883
 884         if (mac->type == e1000_pch_lpt)
 885                 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 886                     E1000_FWSM_WLOCK_MAC_SHIFT;
 887
 888         for (i = 0; i < mac->rar_entry_count; i++) {
 889                 if (mac->type == e1000_pch_lpt) {
 890                         /* Cannot test write-protected SHRAL[n] registers */
 891                         if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
 892                                 continue;
 893
 894                         /* SHRAH[9] different than the others */
 895                         if (i == 10)
 896                                 mask |= (1 << 30);
 897                         else
 898                                 mask &= ~(1 << 30);
 899                 }
 900
 901                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
 902                                        0xFFFFFFFF);
 903         }
 904
 905         for (i = 0; i < mac->mta_reg_count; i++)
 906                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 907
 908         *data = 0;
 909
 910         return 0;
 911 }
 912
 913 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 914 {
 915         u16 temp;
 916         u16 checksum = 0;
 917         u16 i;
 918
 919         *data = 0;
 920         /* Read and add up the contents of the EEPROM */
 921         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 922                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 923                         *data = 1;
 924                         return *data;
 925                 }
 926                 checksum += temp;
 927         }
 928
 929         /* If Checksum is not Correct return error else test passed */
 930         if ((checksum != (u16) NVM_SUM) && !(*data))
 931                 *data = 2;
 932
 933         return *data;
 934 }
 935
 936 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 937 {
 938         struct net_device *netdev = (struct net_device *) data;
 939         struct e1000_adapter *adapter = netdev_priv(netdev);
 940         struct e1000_hw *hw = &adapter->hw;
 941
 942         adapter->test_icr |= er32(ICR);
 943
 944         return IRQ_HANDLED;
 945 }
 946
 947 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 948 {
 949         struct net_device *netdev = adapter->netdev;
 950         struct e1000_hw *hw = &adapter->hw;
 951         u32 mask;
 952         u32 shared_int = 1;
 953         u32 irq = adapter->pdev->irq;
 954         int i;
 955         int ret_val = 0;
 956         int int_mode = E1000E_INT_MODE_LEGACY;
 957
 958         *data = 0;
 959
 960         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 961         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 962                 int_mode = adapter->int_mode;
 963                 e1000e_reset_interrupt_capability(adapter);
 964                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
 965                 e1000e_set_interrupt_capability(adapter);
 966         }
 967         /* Hook up test interrupt handler just for this test */
 968         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 969                          netdev)) {
 970                 shared_int = 0;
 971         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 972                  netdev->name, netdev)) {
 973                 *data = 1;
 974                 ret_val = -1;
 975                 goto out;
 976         }
 977         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
 978
 979         /* Disable all the interrupts */
 980         ew32(IMC, 0xFFFFFFFF);
 981         e1e_flush();
 982         usleep_range(10000, 20000);
 983
 984         /* Test each interrupt */
 985         for (i = 0; i < 10; i++) {
 986                 /* Interrupt to test */
 987                 mask = 1 << i;
 988
 989                 if (adapter->flags & FLAG_IS_ICH) {
 990                         switch (mask) {
 991                         case E1000_ICR_RXSEQ:
 992                                 continue;
 993                         case 0x00000100:
 994                                 if (adapter->hw.mac.type == e1000_ich8lan ||
 995                                     adapter->hw.mac.type == e1000_ich9lan)
 996                                         continue;
 997                                 break;
 998                         default:
 999                                 break;
1000                         }
1001                 }
1002
1003                 if (!shared_int) {
1004                         /* Disable the interrupt to be reported in
1005                          * the cause register and then force the same
1006                          * interrupt and see if one gets posted.  If
1007                          * an interrupt was posted to the bus, the
1008                          * test failed.
1009                          */
1010                         adapter->test_icr = 0;
1011                         ew32(IMC, mask);
1012                         ew32(ICS, mask);
1013                         e1e_flush();
1014                         usleep_range(10000, 20000);
1015
1016                         if (adapter->test_icr & mask) {
1017                                 *data = 3;
1018                                 break;
1019                         }
1020                 }
1021
1022                 /* Enable the interrupt to be reported in
1023                  * the cause register and then force the same
1024                  * interrupt and see if one gets posted.  If
1025                  * an interrupt was not posted to the bus, the
1026                  * test failed.
1027                  */
1028                 adapter->test_icr = 0;
1029                 ew32(IMS, mask);
1030                 ew32(ICS, mask);
1031                 e1e_flush();
1032                 usleep_range(10000, 20000);
1033
1034                 if (!(adapter->test_icr & mask)) {
1035                         *data = 4;
1036                         break;
1037                 }
1038
1039                 if (!shared_int) {
1040                         /* Disable the other interrupts to be reported in
1041                          * the cause register and then force the other
1042                          * interrupts and see if any get posted.  If
1043                          * an interrupt was posted to the bus, the
1044                          * test failed.
1045                          */
1046                         adapter->test_icr = 0;
1047                         ew32(IMC, ~mask & 0x00007FFF);
1048                         ew32(ICS, ~mask & 0x00007FFF);
1049                         e1e_flush();
1050                         usleep_range(10000, 20000);
1051
1052                         if (adapter->test_icr) {
1053                                 *data = 5;
1054                                 break;
1055                         }
1056                 }
1057         }
1058
1059         /* Disable all the interrupts */
1060         ew32(IMC, 0xFFFFFFFF);
1061         e1e_flush();
1062         usleep_range(10000, 20000);
1063
1064         /* Unhook test interrupt handler */
1065         free_irq(irq, netdev);
1066
1067 out:
1068         if (int_mode == E1000E_INT_MODE_MSIX) {
1069                 e1000e_reset_interrupt_capability(adapter);
1070                 adapter->int_mode = int_mode;
1071                 e1000e_set_interrupt_capability(adapter);
1072         }
1073
1074         return ret_val;
1075 }
1076
1077 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1078 {
1079         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1080         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1081         struct pci_dev *pdev = adapter->pdev;
1082         int i;
1083
1084         if (tx_ring->desc && tx_ring->buffer_info) {
1085                 for (i = 0; i < tx_ring->count; i++) {
1086                         if (tx_ring->buffer_info[i].dma)
1087                                 dma_unmap_single(&pdev->dev,
1088                                         tx_ring->buffer_info[i].dma,
1089                                         tx_ring->buffer_info[i].length,
1090                                         DMA_TO_DEVICE);
1091                         if (tx_ring->buffer_info[i].skb)
1092                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1093                 }
1094         }
1095
1096         if (rx_ring->desc && rx_ring->buffer_info) {
1097                 for (i = 0; i < rx_ring->count; i++) {
1098                         if (rx_ring->buffer_info[i].dma)
1099                                 dma_unmap_single(&pdev->dev,
1100                                         rx_ring->buffer_info[i].dma,
1101                                         2048, DMA_FROM_DEVICE);
1102                         if (rx_ring->buffer_info[i].skb)
1103                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1104                 }
1105         }
1106
1107         if (tx_ring->desc) {
1108                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1109                                   tx_ring->dma);
1110                 tx_ring->desc = NULL;
1111         }
1112         if (rx_ring->desc) {
1113                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1114                                   rx_ring->dma);
1115                 rx_ring->desc = NULL;
1116         }
1117
1118         kfree(tx_ring->buffer_info);
1119         tx_ring->buffer_info = NULL;
1120         kfree(rx_ring->buffer_info);
1121         rx_ring->buffer_info = NULL;
1122 }
1123
1124 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1125 {
1126         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1127         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1128         struct pci_dev *pdev = adapter->pdev;
1129         struct e1000_hw *hw = &adapter->hw;
1130         u32 rctl;
1131         int i;
1132         int ret_val;
1133
1134         /* Setup Tx descriptor ring and Tx buffers */
1135
1136         if (!tx_ring->count)
1137                 tx_ring->count = E1000_DEFAULT_TXD;
1138
1139         tx_ring->buffer_info = kcalloc(tx_ring->count,
1140                                        sizeof(struct e1000_buffer),
1141                                        GFP_KERNEL);
1142         if (!tx_ring->buffer_info) {
1143                 ret_val = 1;
1144                 goto err_nomem;
1145         }
1146
1147         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1148         tx_ring->size = ALIGN(tx_ring->size, 4096);
1149         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1150                                            &tx_ring->dma, GFP_KERNEL);
1151         if (!tx_ring->desc) {
1152                 ret_val = 2;
1153                 goto err_nomem;
1154         }
1155         tx_ring->next_to_use = 0;
1156         tx_ring->next_to_clean = 0;
1157
1158         ew32(TDBAL(0), ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1159         ew32(TDBAH(0), ((u64) tx_ring->dma >> 32));
1160         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1161         ew32(TDH(0), 0);
1162         ew32(TDT(0), 0);
1163         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1164              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1165              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1166
1167         for (i = 0; i < tx_ring->count; i++) {
1168                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1169                 struct sk_buff *skb;
1170                 unsigned int skb_size = 1024;
1171
1172                 skb = alloc_skb(skb_size, GFP_KERNEL);
1173                 if (!skb) {
1174                         ret_val = 3;
1175                         goto err_nomem;
1176                 }
1177                 skb_put(skb, skb_size);
1178                 tx_ring->buffer_info[i].skb = skb;
1179                 tx_ring->buffer_info[i].length = skb->len;
1180                 tx_ring->buffer_info[i].dma =
1181                         dma_map_single(&pdev->dev, skb->data, skb->len,
1182                                        DMA_TO_DEVICE);
1183                 if (dma_mapping_error(&pdev->dev,
1184                                       tx_ring->buffer_info[i].dma)) {
1185                         ret_val = 4;
1186                         goto err_nomem;
1187                 }
1188                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1189                 tx_desc->lower.data = cpu_to_le32(skb->len);
1190                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1191                                                    E1000_TXD_CMD_IFCS |
1192                                                    E1000_TXD_CMD_RS);
1193                 tx_desc->upper.data = 0;
1194         }
1195
1196         /* Setup Rx descriptor ring and Rx buffers */
1197
1198         if (!rx_ring->count)
1199                 rx_ring->count = E1000_DEFAULT_RXD;
1200
1201         rx_ring->buffer_info = kcalloc(rx_ring->count,
1202                                        sizeof(struct e1000_buffer),
1203                                        GFP_KERNEL);
1204         if (!rx_ring->buffer_info) {
1205                 ret_val = 5;
1206                 goto err_nomem;
1207         }
1208
1209         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1210         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1211                                            &rx_ring->dma, GFP_KERNEL);
1212         if (!rx_ring->desc) {
1213                 ret_val = 6;
1214                 goto err_nomem;
1215         }
1216         rx_ring->next_to_use = 0;
1217         rx_ring->next_to_clean = 0;
1218
1219         rctl = er32(RCTL);
1220         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1221                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1222         ew32(RDBAL(0), ((u64) rx_ring->dma & 0xFFFFFFFF));
1223         ew32(RDBAH(0), ((u64) rx_ring->dma >> 32));
1224         ew32(RDLEN(0), rx_ring->size);
1225         ew32(RDH(0), 0);
1226         ew32(RDT(0), 0);
1227         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1228                 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1229                 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1230                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1231                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1232         ew32(RCTL, rctl);
1233
1234         for (i = 0; i < rx_ring->count; i++) {
1235                 union e1000_rx_desc_extended *rx_desc;
1236                 struct sk_buff *skb;
1237
1238                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1239                 if (!skb) {
1240                         ret_val = 7;
1241                         goto err_nomem;
1242                 }
1243                 skb_reserve(skb, NET_IP_ALIGN);
1244                 rx_ring->buffer_info[i].skb = skb;
1245                 rx_ring->buffer_info[i].dma =
1246                         dma_map_single(&pdev->dev, skb->data, 2048,
1247                                        DMA_FROM_DEVICE);
1248                 if (dma_mapping_error(&pdev->dev,
1249                                       rx_ring->buffer_info[i].dma)) {
1250                         ret_val = 8;
1251                         goto err_nomem;
1252                 }
1253                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1254                 rx_desc->read.buffer_addr =
1255                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1256                 memset(skb->data, 0x00, skb->len);
1257         }
1258
1259         return 0;
1260
1261 err_nomem:
1262         e1000_free_desc_rings(adapter);
1263         return ret_val;
1264 }
1265
1266 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1267 {
1268         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1269         e1e_wphy(&adapter->hw, 29, 0x001F);
1270         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1271         e1e_wphy(&adapter->hw, 29, 0x001A);
1272         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1273 }
1274
1275 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1276 {
1277         struct e1000_hw *hw = &adapter->hw;
1278         u32 ctrl_reg = 0;
1279         u16 phy_reg = 0;
1280         s32 ret_val = 0;
1281
1282         hw->mac.autoneg = 0;
1283
1284         if (hw->phy.type == e1000_phy_ife) {
1285                 /* force 100, set loopback */
1286                 e1e_wphy(hw, MII_BMCR, 0x6100);
1287
1288                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1289                 ctrl_reg = er32(CTRL);
1290                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1291                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1292                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1293                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1294                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1295
1296                 ew32(CTRL, ctrl_reg);
1297                 e1e_flush();
1298                 udelay(500);
1299
1300                 return 0;
1301         }
1302
1303         /* Specific PHY configuration for loopback */
1304         switch (hw->phy.type) {
1305         case e1000_phy_m88:
1306                 /* Auto-MDI/MDIX Off */
1307                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1308                 /* reset to update Auto-MDI/MDIX */
1309                 e1e_wphy(hw, MII_BMCR, 0x9140);
1310                 /* autoneg off */
1311                 e1e_wphy(hw, MII_BMCR, 0x8140);
1312                 break;
1313         case e1000_phy_gg82563:
1314                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1315                 break;
1316         case e1000_phy_bm:
1317                 /* Set Default MAC Interface speed to 1GB */
1318                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1319                 phy_reg &= ~0x0007;
1320                 phy_reg |= 0x006;
1321                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1322                 /* Assert SW reset for above settings to take effect */
1323                 hw->phy.ops.commit(hw);
1324                 mdelay(1);
1325                 /* Force Full Duplex */
1326                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1327                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1328                 /* Set Link Up (in force link) */
1329                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1330                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1331                 /* Force Link */
1332                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1333                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1334                 /* Set Early Link Enable */
1335                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1336                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1337                 break;
1338         case e1000_phy_82577:
1339         case e1000_phy_82578:
1340                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1341                 ret_val = hw->phy.ops.acquire(hw);
1342                 if (ret_val) {
1343                         e_err("Cannot setup 1Gbps loopback.\n");
1344                         return ret_val;
1345                 }
1346                 e1000_configure_k1_ich8lan(hw, false);
1347                 hw->phy.ops.release(hw);
1348                 break;
1349         case e1000_phy_82579:
1350                 /* Disable PHY energy detect power down */
1351                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1352                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1353                 /* Disable full chip energy detect */
1354                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1355                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1356                 /* Enable loopback on the PHY */
1357                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1358                 break;
1359         default:
1360                 break;
1361         }
1362
1363         /* force 1000, set loopback */
1364         e1e_wphy(hw, MII_BMCR, 0x4140);
1365         mdelay(250);
1366
1367         /* Now set up the MAC to the same speed/duplex as the PHY. */
1368         ctrl_reg = er32(CTRL);
1369         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1370         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1371                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1372                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1373                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1374
1375         if (adapter->flags & FLAG_IS_ICH)
1376                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1377
1378         if (hw->phy.media_type == e1000_media_type_copper &&
1379             hw->phy.type == e1000_phy_m88) {
1380                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1381         } else {
1382                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1383                  * detected.
1384                  */
1385                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1386                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1387         }
1388
1389         ew32(CTRL, ctrl_reg);
1390
1391         /* Disable the receiver on the PHY so when a cable is plugged in, the
1392          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1393          */
1394         if (hw->phy.type == e1000_phy_m88)
1395                 e1000_phy_disable_receiver(adapter);
1396
1397         udelay(500);
1398
1399         return 0;
1400 }
1401
1402 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1403 {
1404         struct e1000_hw *hw = &adapter->hw;
1405         u32 ctrl = er32(CTRL);
1406         int link;
1407
1408         /* special requirements for 82571/82572 fiber adapters */
1409
1410         /* jump through hoops to make sure link is up because serdes
1411          * link is hardwired up
1412          */
1413         ctrl |= E1000_CTRL_SLU;
1414         ew32(CTRL, ctrl);
1415
1416         /* disable autoneg */
1417         ctrl = er32(TXCW);
1418         ctrl &= ~(1 << 31);
1419         ew32(TXCW, ctrl);
1420
1421         link = (er32(STATUS) & E1000_STATUS_LU);
1422
1423         if (!link) {
1424                 /* set invert loss of signal */
1425                 ctrl = er32(CTRL);
1426                 ctrl |= E1000_CTRL_ILOS;
1427                 ew32(CTRL, ctrl);
1428         }
1429
1430         /* special write to serdes control register to enable SerDes analog
1431          * loopback
1432          */
1433 #define E1000_SERDES_LB_ON 0x410
1434         ew32(SCTL, E1000_SERDES_LB_ON);
1435         e1e_flush();
1436         usleep_range(10000, 20000);
1437
1438         return 0;
1439 }
1440
1441 /* only call this for fiber/serdes connections to es2lan */
1442 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1443 {
1444         struct e1000_hw *hw = &adapter->hw;
1445         u32 ctrlext = er32(CTRL_EXT);
1446         u32 ctrl = er32(CTRL);
1447
1448         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1449          * on mac_type 80003es2lan)
1450          */
1451         adapter->tx_fifo_head = ctrlext;
1452
1453         /* clear the serdes mode bits, putting the device into mac loopback */
1454         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1455         ew32(CTRL_EXT, ctrlext);
1456
1457         /* force speed to 1000/FD, link up */
1458         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1459         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1460                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1461         ew32(CTRL, ctrl);
1462
1463         /* set mac loopback */
1464         ctrl = er32(RCTL);
1465         ctrl |= E1000_RCTL_LBM_MAC;
1466         ew32(RCTL, ctrl);
1467
1468         /* set testing mode parameters (no need to reset later) */
1469 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1470 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1471         ew32(KMRNCTRLSTA,
1472              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1473
1474         return 0;
1475 }
1476
1477 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1478 {
1479         struct e1000_hw *hw = &adapter->hw;
1480         u32 rctl;
1481
1482         if (hw->phy.media_type == e1000_media_type_fiber ||
1483             hw->phy.media_type == e1000_media_type_internal_serdes) {
1484                 switch (hw->mac.type) {
1485                 case e1000_80003es2lan:
1486                         return e1000_set_es2lan_mac_loopback(adapter);
1487                         break;
1488                 case e1000_82571:
1489                 case e1000_82572:
1490                         return e1000_set_82571_fiber_loopback(adapter);
1491                         break;
1492                 default:
1493                         rctl = er32(RCTL);
1494                         rctl |= E1000_RCTL_LBM_TCVR;
1495                         ew32(RCTL, rctl);
1496                         return 0;
1497                 }
1498         } else if (hw->phy.media_type == e1000_media_type_copper) {
1499                 return e1000_integrated_phy_loopback(adapter);
1500         }
1501
1502         return 7;
1503 }
1504
1505 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1506 {
1507         struct e1000_hw *hw = &adapter->hw;
1508         u32 rctl;
1509         u16 phy_reg;
1510
1511         rctl = er32(RCTL);
1512         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1513         ew32(RCTL, rctl);
1514
1515         switch (hw->mac.type) {
1516         case e1000_80003es2lan:
1517                 if (hw->phy.media_type == e1000_media_type_fiber ||
1518                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1519                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1520                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1521                         adapter->tx_fifo_head = 0;
1522                 }
1523                 /* fall through */
1524         case e1000_82571:
1525         case e1000_82572:
1526                 if (hw->phy.media_type == e1000_media_type_fiber ||
1527                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1528 #define E1000_SERDES_LB_OFF 0x400
1529                         ew32(SCTL, E1000_SERDES_LB_OFF);
1530                         e1e_flush();
1531                         usleep_range(10000, 20000);
1532                         break;
1533                 }
1534                 /* Fall Through */
1535         default:
1536                 hw->mac.autoneg = 1;
1537                 if (hw->phy.type == e1000_phy_gg82563)
1538                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1539                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1540                 if (phy_reg & BMCR_LOOPBACK) {
1541                         phy_reg &= ~BMCR_LOOPBACK;
1542                         e1e_wphy(hw, MII_BMCR, phy_reg);
1543                         if (hw->phy.ops.commit)
1544                                 hw->phy.ops.commit(hw);
1545                 }
1546                 break;
1547         }
1548 }
1549
1550 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1551                                       unsigned int frame_size)
1552 {
1553         memset(skb->data, 0xFF, frame_size);
1554         frame_size &= ~1;
1555         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1556         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1557         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1558 }
1559
1560 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1561                                     unsigned int frame_size)
1562 {
1563         frame_size &= ~1;
1564         if (*(skb->data + 3) == 0xFF)
1565                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1566                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1567                         return 0;
1568         return 13;
1569 }
1570
1571 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1572 {
1573         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1574         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1575         struct pci_dev *pdev = adapter->pdev;
1576         struct e1000_hw *hw = &adapter->hw;
1577         int i, j, k, l;
1578         int lc;
1579         int good_cnt;
1580         int ret_val = 0;
1581         unsigned long time;
1582
1583         ew32(RDT(0), rx_ring->count - 1);
1584
1585         /* Calculate the loop count based on the largest descriptor ring
1586          * The idea is to wrap the largest ring a number of times using 64
1587          * send/receive pairs during each loop
1588          */
1589
1590         if (rx_ring->count <= tx_ring->count)
1591                 lc = ((tx_ring->count / 64) * 2) + 1;
1592         else
1593                 lc = ((rx_ring->count / 64) * 2) + 1;
1594
1595         k = 0;
1596         l = 0;
1597         for (j = 0; j <= lc; j++) { /* loop count loop */
1598                 for (i = 0; i < 64; i++) { /* send the packets */
1599                         e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1600                                                   1024);
1601                         dma_sync_single_for_device(&pdev->dev,
1602                                         tx_ring->buffer_info[k].dma,
1603                                         tx_ring->buffer_info[k].length,
1604                                         DMA_TO_DEVICE);
1605                         k++;
1606                         if (k == tx_ring->count)
1607                                 k = 0;
1608                 }
1609                 ew32(TDT(0), k);
1610                 e1e_flush();
1611                 msleep(200);
1612                 time = jiffies; /* set the start time for the receive */
1613                 good_cnt = 0;
1614                 do { /* receive the sent packets */
1615                         dma_sync_single_for_cpu(&pdev->dev,
1616                                         rx_ring->buffer_info[l].dma, 2048,
1617                                         DMA_FROM_DEVICE);
1618
1619                         ret_val = e1000_check_lbtest_frame(
1620                                         rx_ring->buffer_info[l].skb, 1024);
1621                         if (!ret_val)
1622                                 good_cnt++;
1623                         l++;
1624                         if (l == rx_ring->count)
1625                                 l = 0;
1626                         /* time + 20 msecs (200 msecs on 2.4) is more than
1627                          * enough time to complete the receives, if it's
1628                          * exceeded, break and error off
1629                          */
1630                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1631                 if (good_cnt != 64) {
1632                         ret_val = 13; /* ret_val is the same as mis-compare */
1633                         break;
1634                 }
1635                 if (jiffies >= (time + 20)) {
1636                         ret_val = 14; /* error code for time out error */
1637                         break;
1638                 }
1639         } /* end loop count loop */
1640         return ret_val;
1641 }
1642
1643 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1644 {
1645         struct e1000_hw *hw = &adapter->hw;
1646
1647         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1648         if (hw->phy.ops.check_reset_block &&
1649             hw->phy.ops.check_reset_block(hw)) {
1650                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1651                 *data = 0;
1652                 goto out;
1653         }
1654
1655         *data = e1000_setup_desc_rings(adapter);
1656         if (*data)
1657                 goto out;
1658
1659         *data = e1000_setup_loopback_test(adapter);
1660         if (*data)
1661                 goto err_loopback;
1662
1663         *data = e1000_run_loopback_test(adapter);
1664         e1000_loopback_cleanup(adapter);
1665
1666 err_loopback:
1667         e1000_free_desc_rings(adapter);
1668 out:
1669         return *data;
1670 }
1671
1672 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1673 {
1674         struct e1000_hw *hw = &adapter->hw;
1675
1676         *data = 0;
1677         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1678                 int i = 0;
1679                 hw->mac.serdes_has_link = false;
1680
1681                 /* On some blade server designs, link establishment
1682                  * could take as long as 2-3 minutes
1683                  */
1684                 do {
1685                         hw->mac.ops.check_for_link(hw);
1686                         if (hw->mac.serdes_has_link)
1687                                 return *data;
1688                         msleep(20);
1689                 } while (i++ < 3750);
1690
1691                 *data = 1;
1692         } else {
1693                 hw->mac.ops.check_for_link(hw);
1694                 if (hw->mac.autoneg)
1695                         /* On some Phy/switch combinations, link establishment
1696                          * can take a few seconds more than expected.
1697                          */
1698                         msleep(5000);
1699
1700                 if (!(er32(STATUS) & E1000_STATUS_LU))
1701                         *data = 1;
1702         }
1703         return *data;
1704 }
1705
1706 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1707                                  int sset)
1708 {
1709         switch (sset) {
1710         case ETH_SS_TEST:
1711                 return E1000_TEST_LEN;
1712         case ETH_SS_STATS:
1713                 return E1000_STATS_LEN;
1714         default:
1715                 return -EOPNOTSUPP;
1716         }
1717 }
1718
1719 static void e1000_diag_test(struct net_device *netdev,
1720                             struct ethtool_test *eth_test, u64 *data)
1721 {
1722         struct e1000_adapter *adapter = netdev_priv(netdev);
1723         u16 autoneg_advertised;
1724         u8 forced_speed_duplex;
1725         u8 autoneg;
1726         bool if_running = netif_running(netdev);
1727
1728         set_bit(__E1000_TESTING, &adapter->state);
1729
1730         if (!if_running) {
1731                 /* Get control of and reset hardware */
1732                 if (adapter->flags & FLAG_HAS_AMT)
1733                         e1000e_get_hw_control(adapter);
1734
1735                 e1000e_power_up_phy(adapter);
1736
1737                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1738                 e1000e_reset(adapter);
1739                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1740         }
1741
1742         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1743                 /* Offline tests */
1744
1745                 /* save speed, duplex, autoneg settings */
1746                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1747                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1748                 autoneg = adapter->hw.mac.autoneg;
1749
1750                 e_info("offline testing starting\n");
1751
1752                 if (if_running)
1753                         /* indicate we're in test mode */
1754                         dev_close(netdev);
1755
1756                 if (e1000_reg_test(adapter, &data[0]))
1757                         eth_test->flags |= ETH_TEST_FL_FAILED;
1758
1759                 e1000e_reset(adapter);
1760                 if (e1000_eeprom_test(adapter, &data[1]))
1761                         eth_test->flags |= ETH_TEST_FL_FAILED;
1762
1763                 e1000e_reset(adapter);
1764                 if (e1000_intr_test(adapter, &data[2]))
1765                         eth_test->flags |= ETH_TEST_FL_FAILED;
1766
1767                 e1000e_reset(adapter);
1768                 if (e1000_loopback_test(adapter, &data[3]))
1769                         eth_test->flags |= ETH_TEST_FL_FAILED;
1770
1771                 /* force this routine to wait until autoneg complete/timeout */
1772                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1773                 e1000e_reset(adapter);
1774                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1775
1776                 if (e1000_link_test(adapter, &data[4]))
1777                         eth_test->flags |= ETH_TEST_FL_FAILED;
1778
1779                 /* restore speed, duplex, autoneg settings */
1780                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1781                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1782                 adapter->hw.mac.autoneg = autoneg;
1783                 e1000e_reset(adapter);
1784
1785                 clear_bit(__E1000_TESTING, &adapter->state);
1786                 if (if_running)
1787                         dev_open(netdev);
1788         } else {
1789                 /* Online tests */
1790
1791                 e_info("online testing starting\n");
1792
1793                 /* register, eeprom, intr and loopback tests not run online */
1794                 data[0] = 0;
1795                 data[1] = 0;
1796                 data[2] = 0;
1797                 data[3] = 0;
1798
1799                 if (e1000_link_test(adapter, &data[4]))
1800                         eth_test->flags |= ETH_TEST_FL_FAILED;
1801
1802                 clear_bit(__E1000_TESTING, &adapter->state);
1803         }
1804
1805         if (!if_running) {
1806                 e1000e_reset(adapter);
1807
1808                 if (adapter->flags & FLAG_HAS_AMT)
1809                         e1000e_release_hw_control(adapter);
1810         }
1811
1812         msleep_interruptible(4 * 1000);
1813 }
1814
1815 static void e1000_get_wol(struct net_device *netdev,
1816                           struct ethtool_wolinfo *wol)
1817 {
1818         struct e1000_adapter *adapter = netdev_priv(netdev);
1819
1820         wol->supported = 0;
1821         wol->wolopts = 0;
1822
1823         if (!(adapter->flags & FLAG_HAS_WOL) ||
1824             !device_can_wakeup(&adapter->pdev->dev))
1825                 return;
1826
1827         wol->supported = WAKE_UCAST | WAKE_MCAST |
1828             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1829
1830         /* apply any specific unsupported masks here */
1831         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1832                 wol->supported &= ~WAKE_UCAST;
1833
1834                 if (adapter->wol & E1000_WUFC_EX)
1835                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1836         }
1837
1838         if (adapter->wol & E1000_WUFC_EX)
1839                 wol->wolopts |= WAKE_UCAST;
1840         if (adapter->wol & E1000_WUFC_MC)
1841                 wol->wolopts |= WAKE_MCAST;
1842         if (adapter->wol & E1000_WUFC_BC)
1843                 wol->wolopts |= WAKE_BCAST;
1844         if (adapter->wol & E1000_WUFC_MAG)
1845                 wol->wolopts |= WAKE_MAGIC;
1846         if (adapter->wol & E1000_WUFC_LNKC)
1847                 wol->wolopts |= WAKE_PHY;
1848 }
1849
1850 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1851 {
1852         struct e1000_adapter *adapter = netdev_priv(netdev);
1853
1854         if (!(adapter->flags & FLAG_HAS_WOL) ||
1855             !device_can_wakeup(&adapter->pdev->dev) ||
1856             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1857                               WAKE_MAGIC | WAKE_PHY)))
1858                 return -EOPNOTSUPP;
1859
1860         /* these settings will always override what we currently have */
1861         adapter->wol = 0;
1862
1863         if (wol->wolopts & WAKE_UCAST)
1864                 adapter->wol |= E1000_WUFC_EX;
1865         if (wol->wolopts & WAKE_MCAST)
1866                 adapter->wol |= E1000_WUFC_MC;
1867         if (wol->wolopts & WAKE_BCAST)
1868                 adapter->wol |= E1000_WUFC_BC;
1869         if (wol->wolopts & WAKE_MAGIC)
1870                 adapter->wol |= E1000_WUFC_MAG;
1871         if (wol->wolopts & WAKE_PHY)
1872                 adapter->wol |= E1000_WUFC_LNKC;
1873
1874         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1875
1876         return 0;
1877 }
1878
1879 static int e1000_set_phys_id(struct net_device *netdev,
1880                              enum ethtool_phys_id_state state)
1881 {
1882         struct e1000_adapter *adapter = netdev_priv(netdev);
1883         struct e1000_hw *hw = &adapter->hw;
1884
1885         switch (state) {
1886         case ETHTOOL_ID_ACTIVE:
1887                 if (!hw->mac.ops.blink_led)
1888                         return 2;       /* cycle on/off twice per second */
1889
1890                 hw->mac.ops.blink_led(hw);
1891                 break;
1892
1893         case ETHTOOL_ID_INACTIVE:
1894                 if (hw->phy.type == e1000_phy_ife)
1895                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1896                 hw->mac.ops.led_off(hw);
1897                 hw->mac.ops.cleanup_led(hw);
1898                 break;
1899
1900         case ETHTOOL_ID_ON:
1901                 hw->mac.ops.led_on(hw);
1902                 break;
1903
1904         case ETHTOOL_ID_OFF:
1905                 hw->mac.ops.led_off(hw);
1906                 break;
1907         }
1908         return 0;
1909 }
1910
1911 static int e1000_get_coalesce(struct net_device *netdev,
1912                               struct ethtool_coalesce *ec)
1913 {
1914         struct e1000_adapter *adapter = netdev_priv(netdev);
1915
1916         if (adapter->itr_setting <= 4)
1917                 ec->rx_coalesce_usecs = adapter->itr_setting;
1918         else
1919                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1920
1921         return 0;
1922 }
1923
1924 static int e1000_set_coalesce(struct net_device *netdev,
1925                               struct ethtool_coalesce *ec)
1926 {
1927         struct e1000_adapter *adapter = netdev_priv(netdev);
1928
1929         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1930             ((ec->rx_coalesce_usecs > 4) &&
1931              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1932             (ec->rx_coalesce_usecs == 2))
1933                 return -EINVAL;
1934
1935         if (ec->rx_coalesce_usecs == 4) {
1936                 adapter->itr_setting = 4;
1937                 adapter->itr = adapter->itr_setting;
1938         } else if (ec->rx_coalesce_usecs <= 3) {
1939                 adapter->itr = 20000;
1940                 adapter->itr_setting = ec->rx_coalesce_usecs;
1941         } else {
1942                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1943                 adapter->itr_setting = adapter->itr & ~3;
1944         }
1945
1946         if (adapter->itr_setting != 0)
1947                 e1000e_write_itr(adapter, adapter->itr);
1948         else
1949                 e1000e_write_itr(adapter, 0);
1950
1951         return 0;
1952 }
1953
1954 static int e1000_nway_reset(struct net_device *netdev)
1955 {
1956         struct e1000_adapter *adapter = netdev_priv(netdev);
1957
1958         if (!netif_running(netdev))
1959                 return -EAGAIN;
1960
1961         if (!adapter->hw.mac.autoneg)
1962                 return -EINVAL;
1963
1964         e1000e_reinit_locked(adapter);
1965
1966         return 0;
1967 }
1968
1969 static void e1000_get_ethtool_stats(struct net_device *netdev,
1970                                     struct ethtool_stats __always_unused *stats,
1971                                     u64 *data)
1972 {
1973         struct e1000_adapter *adapter = netdev_priv(netdev);
1974         struct rtnl_link_stats64 net_stats;
1975         int i;
1976         char *p = NULL;
1977
1978         e1000e_get_stats64(netdev, &net_stats);
1979         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1980                 switch (e1000_gstrings_stats[i].type) {
1981                 case NETDEV_STATS:
1982                         p = (char *) &net_stats +
1983                                         e1000_gstrings_stats[i].stat_offset;
1984                         break;
1985                 case E1000_STATS:
1986                         p = (char *) adapter +
1987                                         e1000_gstrings_stats[i].stat_offset;
1988                         break;
1989                 default:
1990                         data[i] = 0;
1991                         continue;
1992                 }
1993
1994                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1995                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1996         }
1997 }
1998
1999 static void e1000_get_strings(struct net_device __always_unused *netdev,
2000                               u32 stringset, u8 *data)
2001 {
2002         u8 *p = data;
2003         int i;
2004
2005         switch (stringset) {
2006         case ETH_SS_TEST:
2007                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2008                 break;
2009         case ETH_SS_STATS:
2010                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2011                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2012                                ETH_GSTRING_LEN);
2013                         p += ETH_GSTRING_LEN;
2014                 }
2015                 break;
2016         }
2017 }
2018
2019 static int e1000_get_rxnfc(struct net_device *netdev,
2020                            struct ethtool_rxnfc *info,
2021                            u32 __always_unused *rule_locs)
2022 {
2023         info->data = 0;
2024
2025         switch (info->cmd) {
2026         case ETHTOOL_GRXFH: {
2027                 struct e1000_adapter *adapter = netdev_priv(netdev);
2028                 struct e1000_hw *hw = &adapter->hw;
2029                 u32 mrqc = er32(MRQC);
2030
2031                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2032                         return 0;
2033
2034                 switch (info->flow_type) {
2035                 case TCP_V4_FLOW:
2036                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2037                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2038                         /* fall through */
2039                 case UDP_V4_FLOW:
2040                 case SCTP_V4_FLOW:
2041                 case AH_ESP_V4_FLOW:
2042                 case IPV4_FLOW:
2043                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2044                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2045                         break;
2046                 case TCP_V6_FLOW:
2047                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2048                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2049                         /* fall through */
2050                 case UDP_V6_FLOW:
2051                 case SCTP_V6_FLOW:
2052                 case AH_ESP_V6_FLOW:
2053                 case IPV6_FLOW:
2054                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2055                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2056                         break;
2057                 default:
2058                         break;
2059                 }
2060                 return 0;
2061         }
2062         default:
2063                 return -EOPNOTSUPP;
2064         }
2065 }
2066
2067 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2068 {
2069         struct e1000_adapter *adapter = netdev_priv(netdev);
2070         struct e1000_hw *hw = &adapter->hw;
2071         u16 cap_addr, adv_addr, lpa_addr, pcs_stat_addr, phy_data, lpi_ctrl;
2072         u32 status, ret_val;
2073
2074         if (!(adapter->flags & FLAG_IS_ICH) ||
2075             !(adapter->flags2 & FLAG2_HAS_EEE))
2076                 return -EOPNOTSUPP;
2077
2078         switch (hw->phy.type) {
2079         case e1000_phy_82579:
2080                 cap_addr = I82579_EEE_CAPABILITY;
2081                 adv_addr = I82579_EEE_ADVERTISEMENT;
2082                 lpa_addr = I82579_EEE_LP_ABILITY;
2083                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2084                 break;
2085         case e1000_phy_i217:
2086                 cap_addr = I217_EEE_CAPABILITY;
2087                 adv_addr = I217_EEE_ADVERTISEMENT;
2088                 lpa_addr = I217_EEE_LP_ABILITY;
2089                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2090                 break;
2091         default:
2092                 return -EOPNOTSUPP;
2093         }
2094
2095         ret_val = hw->phy.ops.acquire(hw);
2096         if (ret_val)
2097                 return -EBUSY;
2098
2099         /* EEE Capability */
2100         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2101         if (ret_val)
2102                 goto release;
2103         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2104
2105         /* EEE Advertised */
2106         ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &phy_data);
2107         if (ret_val)
2108                 goto release;
2109         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2110
2111         /* EEE Link Partner Advertised */
2112         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2113         if (ret_val)
2114                 goto release;
2115         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2116
2117         /* EEE PCS Status */
2118         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2119         if (hw->phy.type == e1000_phy_82579)
2120                 phy_data <<= 8;
2121
2122 release:
2123         hw->phy.ops.release(hw);
2124         if (ret_val)
2125                 return -ENODATA;
2126
2127         e1e_rphy(hw, I82579_LPI_CTRL, &lpi_ctrl);
2128         status = er32(STATUS);
2129
2130         /* Result of the EEE auto negotiation - there is no register that
2131          * has the status of the EEE negotiation so do a best-guess based
2132          * on whether both Tx and Rx LPI indications have been received or
2133          * base it on the link speed, the EEE advertised speeds on both ends
2134          * and the speeds on which EEE is enabled locally.
2135          */
2136         if (((phy_data & E1000_EEE_TX_LPI_RCVD) &&
2137              (phy_data & E1000_EEE_RX_LPI_RCVD)) ||
2138             ((status & E1000_STATUS_SPEED_100) &&
2139              (edata->advertised & ADVERTISED_100baseT_Full) &&
2140              (edata->lp_advertised & ADVERTISED_100baseT_Full) &&
2141              (lpi_ctrl & I82579_LPI_CTRL_100_ENABLE)) ||
2142             ((status & E1000_STATUS_SPEED_1000) &&
2143              (edata->advertised & ADVERTISED_1000baseT_Full) &&
2144              (edata->lp_advertised & ADVERTISED_1000baseT_Full) &&
2145              (lpi_ctrl & I82579_LPI_CTRL_1000_ENABLE)))
2146                 edata->eee_active = true;
2147
2148         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2149         edata->tx_lpi_enabled = true;
2150         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2151
2152         return 0;
2153 }
2154
2155 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2156 {
2157         struct e1000_adapter *adapter = netdev_priv(netdev);
2158         struct e1000_hw *hw = &adapter->hw;
2159         struct ethtool_eee eee_curr;
2160         s32 ret_val;
2161
2162         if (!(adapter->flags & FLAG_IS_ICH) ||
2163             !(adapter->flags2 & FLAG2_HAS_EEE))
2164                 return -EOPNOTSUPP;
2165
2166         ret_val = e1000e_get_eee(netdev, &eee_curr);
2167         if (ret_val)
2168                 return ret_val;
2169
2170         if (eee_curr.advertised != edata->advertised) {
2171                 e_err("Setting EEE advertisement is not supported\n");
2172                 return -EINVAL;
2173         }
2174
2175         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2176                 e_err("Setting EEE tx-lpi is not supported\n");
2177                 return -EINVAL;
2178         }
2179
2180         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2181                 e_err("Setting EEE Tx LPI timer is not supported\n");
2182                 return -EINVAL;
2183         }
2184
2185         if (hw->dev_spec.ich8lan.eee_disable != !edata->eee_enabled) {
2186                 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2187
2188                 /* reset the link */
2189                 if (netif_running(netdev))
2190                         e1000e_reinit_locked(adapter);
2191                 else
2192                         e1000e_reset(adapter);
2193         }
2194
2195         return 0;
2196 }
2197
2198 static int e1000e_get_ts_info(struct net_device *netdev,
2199                               struct ethtool_ts_info *info)
2200 {
2201         struct e1000_adapter *adapter = netdev_priv(netdev);
2202
2203         ethtool_op_get_ts_info(netdev, info);
2204
2205         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2206                 return 0;
2207
2208         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2209                                   SOF_TIMESTAMPING_RX_HARDWARE |
2210                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2211
2212         info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2213
2214         info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
2215                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2216                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2217                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2218                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2219                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2220                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2221                             (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2222                             (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2223                             (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2224                             (1 << HWTSTAMP_FILTER_ALL));
2225
2226         if (adapter->ptp_clock)
2227                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2228
2229         return 0;
2230 }
2231
2232 static const struct ethtool_ops e1000_ethtool_ops = {
2233         .get_settings           = e1000_get_settings,
2234         .set_settings           = e1000_set_settings,
2235         .get_drvinfo            = e1000_get_drvinfo,
2236         .get_regs_len           = e1000_get_regs_len,
2237         .get_regs               = e1000_get_regs,
2238         .get_wol                = e1000_get_wol,
2239         .set_wol                = e1000_set_wol,
2240         .get_msglevel           = e1000_get_msglevel,
2241         .set_msglevel           = e1000_set_msglevel,
2242         .nway_reset             = e1000_nway_reset,
2243         .get_link               = ethtool_op_get_link,
2244         .get_eeprom_len         = e1000_get_eeprom_len,
2245         .get_eeprom             = e1000_get_eeprom,
2246         .set_eeprom             = e1000_set_eeprom,
2247         .get_ringparam          = e1000_get_ringparam,
2248         .set_ringparam          = e1000_set_ringparam,
2249         .get_pauseparam         = e1000_get_pauseparam,
2250         .set_pauseparam         = e1000_set_pauseparam,
2251         .self_test              = e1000_diag_test,
2252         .get_strings            = e1000_get_strings,
2253         .set_phys_id            = e1000_set_phys_id,
2254         .get_ethtool_stats      = e1000_get_ethtool_stats,
2255         .get_sset_count         = e1000e_get_sset_count,
2256         .get_coalesce           = e1000_get_coalesce,
2257         .set_coalesce           = e1000_set_coalesce,
2258         .get_rxnfc              = e1000_get_rxnfc,
2259         .get_ts_info            = e1000e_get_ts_info,
2260         .get_eee                = e1000e_get_eee,
2261         .set_eee                = e1000e_set_eee,
2262 };
2263
2264 void e1000e_set_ethtool_ops(struct net_device *netdev)
2265 {
2266         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2267 }