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

   1 /* Intel PRO/1000 Linux driver
   2  * Copyright(c) 1999 - 2015 Intel Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  *
  16  * Contact Information:
  17  * Linux NICS <linux.nics@intel.com>
  18  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  20  */
  21
  22 /* ethtool support for e1000 */
  23
  24 #include <linux/netdevice.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/ethtool.h>
  27 #include <linux/pci.h>
  28 #include <linux/slab.h>
  29 #include <linux/delay.h>
  30 #include <linux/vmalloc.h>
  31 #include <linux/pm_runtime.h>
  32
  33 #include "e1000.h"
  34
  35 enum { NETDEV_STATS, E1000_STATS };
  36
  37 struct e1000_stats {
  38         char stat_string[ETH_GSTRING_LEN];
  39         int type;
  40         int sizeof_stat;
  41         int stat_offset;
  42 };
  43
  44 #define E1000_STAT(str, m) { \
  45                 .stat_string = str, \
  46                 .type = E1000_STATS, \
  47                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  48                 .stat_offset = offsetof(struct e1000_adapter, m) }
  49 #define E1000_NETDEV_STAT(str, m) { \
  50                 .stat_string = str, \
  51                 .type = NETDEV_STATS, \
  52                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  53                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  54
  55 static const struct e1000_stats e1000_gstrings_stats[] = {
  56         E1000_STAT("rx_packets", stats.gprc),
  57         E1000_STAT("tx_packets", stats.gptc),
  58         E1000_STAT("rx_bytes", stats.gorc),
  59         E1000_STAT("tx_bytes", stats.gotc),
  60         E1000_STAT("rx_broadcast", stats.bprc),
  61         E1000_STAT("tx_broadcast", stats.bptc),
  62         E1000_STAT("rx_multicast", stats.mprc),
  63         E1000_STAT("tx_multicast", stats.mptc),
  64         E1000_NETDEV_STAT("rx_errors", rx_errors),
  65         E1000_NETDEV_STAT("tx_errors", tx_errors),
  66         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  67         E1000_STAT("multicast", stats.mprc),
  68         E1000_STAT("collisions", stats.colc),
  69         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  70         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  71         E1000_STAT("rx_crc_errors", stats.crcerrs),
  72         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  73         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  74         E1000_STAT("rx_missed_errors", stats.mpc),
  75         E1000_STAT("tx_aborted_errors", stats.ecol),
  76         E1000_STAT("tx_carrier_errors", stats.tncrs),
  77         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  78         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  79         E1000_STAT("tx_window_errors", stats.latecol),
  80         E1000_STAT("tx_abort_late_coll", stats.latecol),
  81         E1000_STAT("tx_deferred_ok", stats.dc),
  82         E1000_STAT("tx_single_coll_ok", stats.scc),
  83         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  84         E1000_STAT("tx_timeout_count", tx_timeout_count),
  85         E1000_STAT("tx_restart_queue", restart_queue),
  86         E1000_STAT("rx_long_length_errors", stats.roc),
  87         E1000_STAT("rx_short_length_errors", stats.ruc),
  88         E1000_STAT("rx_align_errors", stats.algnerrc),
  89         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  90         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  91         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  92         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  93         E1000_STAT("tx_flow_control_xon", stats.xontxc),
  94         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
  95         E1000_STAT("rx_csum_offload_good", hw_csum_good),
  96         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
  97         E1000_STAT("rx_header_split", rx_hdr_split),
  98         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
  99         E1000_STAT("tx_smbus", stats.mgptc),
 100         E1000_STAT("rx_smbus", stats.mgprc),
 101         E1000_STAT("dropped_smbus", stats.mgpdc),
 102         E1000_STAT("rx_dma_failed", rx_dma_failed),
 103         E1000_STAT("tx_dma_failed", tx_dma_failed),
 104         E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 105         E1000_STAT("uncorr_ecc_errors", uncorr_errors),
 106         E1000_STAT("corr_ecc_errors", corr_errors),
 107         E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
 108 };
 109
 110 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 111 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 112 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 113         "Register test  (offline)", "Eeprom test    (offline)",
 114         "Interrupt test (offline)", "Loopback test  (offline)",
 115         "Link test   (on/offline)"
 116 };
 117
 118 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 119
 120 static int e1000_get_settings(struct net_device *netdev,
 121                               struct ethtool_cmd *ecmd)
 122 {
 123         struct e1000_adapter *adapter = netdev_priv(netdev);
 124         struct e1000_hw *hw = &adapter->hw;
 125         u32 speed;
 126
 127         if (hw->phy.media_type == e1000_media_type_copper) {
 128                 ecmd->supported = (SUPPORTED_10baseT_Half |
 129                                    SUPPORTED_10baseT_Full |
 130                                    SUPPORTED_100baseT_Half |
 131                                    SUPPORTED_100baseT_Full |
 132                                    SUPPORTED_1000baseT_Full |
 133                                    SUPPORTED_Autoneg |
 134                                    SUPPORTED_TP);
 135                 if (hw->phy.type == e1000_phy_ife)
 136                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 137                 ecmd->advertising = ADVERTISED_TP;
 138
 139                 if (hw->mac.autoneg == 1) {
 140                         ecmd->advertising |= ADVERTISED_Autoneg;
 141                         /* the e1000 autoneg seems to match ethtool nicely */
 142                         ecmd->advertising |= hw->phy.autoneg_advertised;
 143                 }
 144
 145                 ecmd->port = PORT_TP;
 146                 ecmd->phy_address = hw->phy.addr;
 147                 ecmd->transceiver = XCVR_INTERNAL;
 148
 149         } else {
 150                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 151                                      SUPPORTED_FIBRE |
 152                                      SUPPORTED_Autoneg);
 153
 154                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 155                                      ADVERTISED_FIBRE |
 156                                      ADVERTISED_Autoneg);
 157
 158                 ecmd->port = PORT_FIBRE;
 159                 ecmd->transceiver = XCVR_EXTERNAL;
 160         }
 161
 162         speed = SPEED_UNKNOWN;
 163         ecmd->duplex = DUPLEX_UNKNOWN;
 164
 165         if (netif_running(netdev)) {
 166                 if (netif_carrier_ok(netdev)) {
 167                         speed = adapter->link_speed;
 168                         ecmd->duplex = adapter->link_duplex - 1;
 169                 }
 170         } else if (!pm_runtime_suspended(netdev->dev.parent)) {
 171                 u32 status = er32(STATUS);
 172
 173                 if (status & E1000_STATUS_LU) {
 174                         if (status & E1000_STATUS_SPEED_1000)
 175                                 speed = SPEED_1000;
 176                         else if (status & E1000_STATUS_SPEED_100)
 177                                 speed = SPEED_100;
 178                         else
 179                                 speed = SPEED_10;
 180
 181                         if (status & E1000_STATUS_FD)
 182                                 ecmd->duplex = DUPLEX_FULL;
 183                         else
 184                                 ecmd->duplex = DUPLEX_HALF;
 185                 }
 186         }
 187
 188         ethtool_cmd_speed_set(ecmd, speed);
 189         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 190                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 191
 192         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 193         if ((hw->phy.media_type == e1000_media_type_copper) &&
 194             netif_carrier_ok(netdev))
 195                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI;
 196         else
 197                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 198
 199         if (hw->phy.mdix == AUTO_ALL_MODES)
 200                 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 201         else
 202                 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
 203
 204         return 0;
 205 }
 206
 207 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 208 {
 209         struct e1000_mac_info *mac = &adapter->hw.mac;
 210
 211         mac->autoneg = 0;
 212
 213         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 214          * for the switch() below to work
 215          */
 216         if ((spd & 1) || (dplx & ~1))
 217                 goto err_inval;
 218
 219         /* Fiber NICs only allow 1000 gbps Full duplex */
 220         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 221             (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
 222                 goto err_inval;
 223         }
 224
 225         switch (spd + dplx) {
 226         case SPEED_10 + DUPLEX_HALF:
 227                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 228                 break;
 229         case SPEED_10 + DUPLEX_FULL:
 230                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 231                 break;
 232         case SPEED_100 + DUPLEX_HALF:
 233                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 234                 break;
 235         case SPEED_100 + DUPLEX_FULL:
 236                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 237                 break;
 238         case SPEED_1000 + DUPLEX_FULL:
 239                 mac->autoneg = 1;
 240                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 241                 break;
 242         case SPEED_1000 + DUPLEX_HALF:  /* not supported */
 243         default:
 244                 goto err_inval;
 245         }
 246
 247         /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 248         adapter->hw.phy.mdix = AUTO_ALL_MODES;
 249
 250         return 0;
 251
 252 err_inval:
 253         e_err("Unsupported Speed/Duplex configuration\n");
 254         return -EINVAL;
 255 }
 256
 257 static int e1000_set_settings(struct net_device *netdev,
 258                               struct ethtool_cmd *ecmd)
 259 {
 260         struct e1000_adapter *adapter = netdev_priv(netdev);
 261         struct e1000_hw *hw = &adapter->hw;
 262         int ret_val = 0;
 263
 264         pm_runtime_get_sync(netdev->dev.parent);
 265
 266         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 267          * cannot be changed
 268          */
 269         if (hw->phy.ops.check_reset_block &&
 270             hw->phy.ops.check_reset_block(hw)) {
 271                 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 272                 ret_val = -EINVAL;
 273                 goto out;
 274         }
 275
 276         /* MDI setting is only allowed when autoneg enabled because
 277          * some hardware doesn't allow MDI setting when speed or
 278          * duplex is forced.
 279          */
 280         if (ecmd->eth_tp_mdix_ctrl) {
 281                 if (hw->phy.media_type != e1000_media_type_copper) {
 282                         ret_val = -EOPNOTSUPP;
 283                         goto out;
 284                 }
 285
 286                 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 287                     (ecmd->autoneg != AUTONEG_ENABLE)) {
 288                         e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 289                         ret_val = -EINVAL;
 290                         goto out;
 291                 }
 292         }
 293
 294         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 295                 usleep_range(1000, 2000);
 296
 297         if (ecmd->autoneg == AUTONEG_ENABLE) {
 298                 hw->mac.autoneg = 1;
 299                 if (hw->phy.media_type == e1000_media_type_fiber)
 300                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 301                             ADVERTISED_FIBRE | ADVERTISED_Autoneg;
 302                 else
 303                         hw->phy.autoneg_advertised = ecmd->advertising |
 304                             ADVERTISED_TP | ADVERTISED_Autoneg;
 305                 ecmd->advertising = hw->phy.autoneg_advertised;
 306                 if (adapter->fc_autoneg)
 307                         hw->fc.requested_mode = e1000_fc_default;
 308         } else {
 309                 u32 speed = ethtool_cmd_speed(ecmd);
 310                 /* calling this overrides forced MDI setting */
 311                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 312                         ret_val = -EINVAL;
 313                         goto out;
 314                 }
 315         }
 316
 317         /* MDI-X => 2; MDI => 1; Auto => 3 */
 318         if (ecmd->eth_tp_mdix_ctrl) {
 319                 /* fix up the value for auto (3 => 0) as zero is mapped
 320                  * internally to auto
 321                  */
 322                 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 323                         hw->phy.mdix = AUTO_ALL_MODES;
 324                 else
 325                         hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
 326         }
 327
 328         /* reset the link */
 329         if (netif_running(adapter->netdev)) {
 330                 e1000e_down(adapter, true);
 331                 e1000e_up(adapter);
 332         } else {
 333                 e1000e_reset(adapter);
 334         }
 335
 336 out:
 337         pm_runtime_put_sync(netdev->dev.parent);
 338         clear_bit(__E1000_RESETTING, &adapter->state);
 339         return ret_val;
 340 }
 341
 342 static void e1000_get_pauseparam(struct net_device *netdev,
 343                                  struct ethtool_pauseparam *pause)
 344 {
 345         struct e1000_adapter *adapter = netdev_priv(netdev);
 346         struct e1000_hw *hw = &adapter->hw;
 347
 348         pause->autoneg =
 349             (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 350
 351         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 352                 pause->rx_pause = 1;
 353         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 354                 pause->tx_pause = 1;
 355         } else if (hw->fc.current_mode == e1000_fc_full) {
 356                 pause->rx_pause = 1;
 357                 pause->tx_pause = 1;
 358         }
 359 }
 360
 361 static int e1000_set_pauseparam(struct net_device *netdev,
 362                                 struct ethtool_pauseparam *pause)
 363 {
 364         struct e1000_adapter *adapter = netdev_priv(netdev);
 365         struct e1000_hw *hw = &adapter->hw;
 366         int retval = 0;
 367
 368         adapter->fc_autoneg = pause->autoneg;
 369
 370         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 371                 usleep_range(1000, 2000);
 372
 373         pm_runtime_get_sync(netdev->dev.parent);
 374
 375         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 376                 hw->fc.requested_mode = e1000_fc_default;
 377                 if (netif_running(adapter->netdev)) {
 378                         e1000e_down(adapter, true);
 379                         e1000e_up(adapter);
 380                 } else {
 381                         e1000e_reset(adapter);
 382                 }
 383         } else {
 384                 if (pause->rx_pause && pause->tx_pause)
 385                         hw->fc.requested_mode = e1000_fc_full;
 386                 else if (pause->rx_pause && !pause->tx_pause)
 387                         hw->fc.requested_mode = e1000_fc_rx_pause;
 388                 else if (!pause->rx_pause && pause->tx_pause)
 389                         hw->fc.requested_mode = e1000_fc_tx_pause;
 390                 else if (!pause->rx_pause && !pause->tx_pause)
 391                         hw->fc.requested_mode = e1000_fc_none;
 392
 393                 hw->fc.current_mode = hw->fc.requested_mode;
 394
 395                 if (hw->phy.media_type == e1000_media_type_fiber) {
 396                         retval = hw->mac.ops.setup_link(hw);
 397                         /* implicit goto out */
 398                 } else {
 399                         retval = e1000e_force_mac_fc(hw);
 400                         if (retval)
 401                                 goto out;
 402                         e1000e_set_fc_watermarks(hw);
 403                 }
 404         }
 405
 406 out:
 407         pm_runtime_put_sync(netdev->dev.parent);
 408         clear_bit(__E1000_RESETTING, &adapter->state);
 409         return retval;
 410 }
 411
 412 static u32 e1000_get_msglevel(struct net_device *netdev)
 413 {
 414         struct e1000_adapter *adapter = netdev_priv(netdev);
 415         return adapter->msg_enable;
 416 }
 417
 418 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 419 {
 420         struct e1000_adapter *adapter = netdev_priv(netdev);
 421         adapter->msg_enable = data;
 422 }
 423
 424 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 425 {
 426 #define E1000_REGS_LEN 32       /* overestimate */
 427         return E1000_REGS_LEN * sizeof(u32);
 428 }
 429
 430 static void e1000_get_regs(struct net_device *netdev,
 431                            struct ethtool_regs *regs, void *p)
 432 {
 433         struct e1000_adapter *adapter = netdev_priv(netdev);
 434         struct e1000_hw *hw = &adapter->hw;
 435         u32 *regs_buff = p;
 436         u16 phy_data;
 437
 438         pm_runtime_get_sync(netdev->dev.parent);
 439
 440         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 441
 442         regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
 443             adapter->pdev->device;
 444
 445         regs_buff[0] = er32(CTRL);
 446         regs_buff[1] = er32(STATUS);
 447
 448         regs_buff[2] = er32(RCTL);
 449         regs_buff[3] = er32(RDLEN(0));
 450         regs_buff[4] = er32(RDH(0));
 451         regs_buff[5] = er32(RDT(0));
 452         regs_buff[6] = er32(RDTR);
 453
 454         regs_buff[7] = er32(TCTL);
 455         regs_buff[8] = er32(TDLEN(0));
 456         regs_buff[9] = er32(TDH(0));
 457         regs_buff[10] = er32(TDT(0));
 458         regs_buff[11] = er32(TIDV);
 459
 460         regs_buff[12] = adapter->hw.phy.type;   /* PHY type (IGP=1, M88=0) */
 461
 462         /* ethtool doesn't use anything past this point, so all this
 463          * code is likely legacy junk for apps that may or may not exist
 464          */
 465         if (hw->phy.type == e1000_phy_m88) {
 466                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 467                 regs_buff[13] = (u32)phy_data; /* cable length */
 468                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 469                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 470                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 471                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 472                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 473                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 474                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 475                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 476                 /* phy receive errors */
 477                 regs_buff[22] = adapter->phy_stats.receive_errors;
 478                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 479         }
 480         regs_buff[21] = 0;      /* was idle_errors */
 481         e1e_rphy(hw, MII_STAT1000, &phy_data);
 482         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 483         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 484
 485         pm_runtime_put_sync(netdev->dev.parent);
 486 }
 487
 488 static int e1000_get_eeprom_len(struct net_device *netdev)
 489 {
 490         struct e1000_adapter *adapter = netdev_priv(netdev);
 491         return adapter->hw.nvm.word_size * 2;
 492 }
 493
 494 static int e1000_get_eeprom(struct net_device *netdev,
 495                             struct ethtool_eeprom *eeprom, u8 *bytes)
 496 {
 497         struct e1000_adapter *adapter = netdev_priv(netdev);
 498         struct e1000_hw *hw = &adapter->hw;
 499         u16 *eeprom_buff;
 500         int first_word;
 501         int last_word;
 502         int ret_val = 0;
 503         u16 i;
 504
 505         if (eeprom->len == 0)
 506                 return -EINVAL;
 507
 508         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 509
 510         first_word = eeprom->offset >> 1;
 511         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 512
 513         eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
 514                               GFP_KERNEL);
 515         if (!eeprom_buff)
 516                 return -ENOMEM;
 517
 518         pm_runtime_get_sync(netdev->dev.parent);
 519
 520         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 521                 ret_val = e1000_read_nvm(hw, first_word,
 522                                          last_word - first_word + 1,
 523                                          eeprom_buff);
 524         } else {
 525                 for (i = 0; i < last_word - first_word + 1; i++) {
 526                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 527                                                  &eeprom_buff[i]);
 528                         if (ret_val)
 529                                 break;
 530                 }
 531         }
 532
 533         pm_runtime_put_sync(netdev->dev.parent);
 534
 535         if (ret_val) {
 536                 /* a read error occurred, throw away the result */
 537                 memset(eeprom_buff, 0xff, sizeof(u16) *
 538                        (last_word - first_word + 1));
 539         } else {
 540                 /* Device's eeprom is always little-endian, word addressable */
 541                 for (i = 0; i < last_word - first_word + 1; i++)
 542                         le16_to_cpus(&eeprom_buff[i]);
 543         }
 544
 545         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 546         kfree(eeprom_buff);
 547
 548         return ret_val;
 549 }
 550
 551 static int e1000_set_eeprom(struct net_device *netdev,
 552                             struct ethtool_eeprom *eeprom, u8 *bytes)
 553 {
 554         struct e1000_adapter *adapter = netdev_priv(netdev);
 555         struct e1000_hw *hw = &adapter->hw;
 556         u16 *eeprom_buff;
 557         void *ptr;
 558         int max_len;
 559         int first_word;
 560         int last_word;
 561         int ret_val = 0;
 562         u16 i;
 563
 564         if (eeprom->len == 0)
 565                 return -EOPNOTSUPP;
 566
 567         if (eeprom->magic !=
 568             (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 569                 return -EFAULT;
 570
 571         if (adapter->flags & FLAG_READ_ONLY_NVM)
 572                 return -EINVAL;
 573
 574         max_len = hw->nvm.word_size * 2;
 575
 576         first_word = eeprom->offset >> 1;
 577         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 578         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 579         if (!eeprom_buff)
 580                 return -ENOMEM;
 581
 582         ptr = (void *)eeprom_buff;
 583
 584         pm_runtime_get_sync(netdev->dev.parent);
 585
 586         if (eeprom->offset & 1) {
 587                 /* need read/modify/write of first changed EEPROM word */
 588                 /* only the second byte of the word is being modified */
 589                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 590                 ptr++;
 591         }
 592         if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
 593                 /* need read/modify/write of last changed EEPROM word */
 594                 /* only the first byte of the word is being modified */
 595                 ret_val = e1000_read_nvm(hw, last_word, 1,
 596                                          &eeprom_buff[last_word - first_word]);
 597
 598         if (ret_val)
 599                 goto out;
 600
 601         /* Device's eeprom is always little-endian, word addressable */
 602         for (i = 0; i < last_word - first_word + 1; i++)
 603                 le16_to_cpus(&eeprom_buff[i]);
 604
 605         memcpy(ptr, bytes, eeprom->len);
 606
 607         for (i = 0; i < last_word - first_word + 1; i++)
 608                 cpu_to_le16s(&eeprom_buff[i]);
 609
 610         ret_val = e1000_write_nvm(hw, first_word,
 611                                   last_word - first_word + 1, eeprom_buff);
 612
 613         if (ret_val)
 614                 goto out;
 615
 616         /* Update the checksum over the first part of the EEPROM if needed
 617          * and flush shadow RAM for applicable controllers
 618          */
 619         if ((first_word <= NVM_CHECKSUM_REG) ||
 620             (hw->mac.type == e1000_82583) ||
 621             (hw->mac.type == e1000_82574) ||
 622             (hw->mac.type == e1000_82573))
 623                 ret_val = e1000e_update_nvm_checksum(hw);
 624
 625 out:
 626         pm_runtime_put_sync(netdev->dev.parent);
 627         kfree(eeprom_buff);
 628         return ret_val;
 629 }
 630
 631 static void e1000_get_drvinfo(struct net_device *netdev,
 632                               struct ethtool_drvinfo *drvinfo)
 633 {
 634         struct e1000_adapter *adapter = netdev_priv(netdev);
 635
 636         strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
 637         strlcpy(drvinfo->version, e1000e_driver_version,
 638                 sizeof(drvinfo->version));
 639
 640         /* EEPROM image version # is reported as firmware version # for
 641          * PCI-E controllers
 642          */
 643         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 644                  "%d.%d-%d",
 645                  (adapter->eeprom_vers & 0xF000) >> 12,
 646                  (adapter->eeprom_vers & 0x0FF0) >> 4,
 647                  (adapter->eeprom_vers & 0x000F));
 648
 649         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 650                 sizeof(drvinfo->bus_info));
 651         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 652         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 653 }
 654
 655 static void e1000_get_ringparam(struct net_device *netdev,
 656                                 struct ethtool_ringparam *ring)
 657 {
 658         struct e1000_adapter *adapter = netdev_priv(netdev);
 659
 660         ring->rx_max_pending = E1000_MAX_RXD;
 661         ring->tx_max_pending = E1000_MAX_TXD;
 662         ring->rx_pending = adapter->rx_ring_count;
 663         ring->tx_pending = adapter->tx_ring_count;
 664 }
 665
 666 static int e1000_set_ringparam(struct net_device *netdev,
 667                                struct ethtool_ringparam *ring)
 668 {
 669         struct e1000_adapter *adapter = netdev_priv(netdev);
 670         struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 671         int err = 0, size = sizeof(struct e1000_ring);
 672         bool set_tx = false, set_rx = false;
 673         u16 new_rx_count, new_tx_count;
 674
 675         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 676                 return -EINVAL;
 677
 678         new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 679                                E1000_MAX_RXD);
 680         new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 681
 682         new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 683                                E1000_MAX_TXD);
 684         new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 685
 686         if ((new_tx_count == adapter->tx_ring_count) &&
 687             (new_rx_count == adapter->rx_ring_count))
 688                 /* nothing to do */
 689                 return 0;
 690
 691         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 692                 usleep_range(1000, 2000);
 693
 694         if (!netif_running(adapter->netdev)) {
 695                 /* Set counts now and allocate resources during open() */
 696                 adapter->tx_ring->count = new_tx_count;
 697                 adapter->rx_ring->count = new_rx_count;
 698                 adapter->tx_ring_count = new_tx_count;
 699                 adapter->rx_ring_count = new_rx_count;
 700                 goto clear_reset;
 701         }
 702
 703         set_tx = (new_tx_count != adapter->tx_ring_count);
 704         set_rx = (new_rx_count != adapter->rx_ring_count);
 705
 706         /* Allocate temporary storage for ring updates */
 707         if (set_tx) {
 708                 temp_tx = vmalloc(size);
 709                 if (!temp_tx) {
 710                         err = -ENOMEM;
 711                         goto free_temp;
 712                 }
 713         }
 714         if (set_rx) {
 715                 temp_rx = vmalloc(size);
 716                 if (!temp_rx) {
 717                         err = -ENOMEM;
 718                         goto free_temp;
 719                 }
 720         }
 721
 722         pm_runtime_get_sync(netdev->dev.parent);
 723
 724         e1000e_down(adapter, true);
 725
 726         /* We can't just free everything and then setup again, because the
 727          * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 728          * structs.  First, attempt to allocate new resources...
 729          */
 730         if (set_tx) {
 731                 memcpy(temp_tx, adapter->tx_ring, size);
 732                 temp_tx->count = new_tx_count;
 733                 err = e1000e_setup_tx_resources(temp_tx);
 734                 if (err)
 735                         goto err_setup;
 736         }
 737         if (set_rx) {
 738                 memcpy(temp_rx, adapter->rx_ring, size);
 739                 temp_rx->count = new_rx_count;
 740                 err = e1000e_setup_rx_resources(temp_rx);
 741                 if (err)
 742                         goto err_setup_rx;
 743         }
 744
 745         /* ...then free the old resources and copy back any new ring data */
 746         if (set_tx) {
 747                 e1000e_free_tx_resources(adapter->tx_ring);
 748                 memcpy(adapter->tx_ring, temp_tx, size);
 749                 adapter->tx_ring_count = new_tx_count;
 750         }
 751         if (set_rx) {
 752                 e1000e_free_rx_resources(adapter->rx_ring);
 753                 memcpy(adapter->rx_ring, temp_rx, size);
 754                 adapter->rx_ring_count = new_rx_count;
 755         }
 756
 757 err_setup_rx:
 758         if (err && set_tx)
 759                 e1000e_free_tx_resources(temp_tx);
 760 err_setup:
 761         e1000e_up(adapter);
 762         pm_runtime_put_sync(netdev->dev.parent);
 763 free_temp:
 764         vfree(temp_tx);
 765         vfree(temp_rx);
 766 clear_reset:
 767         clear_bit(__E1000_RESETTING, &adapter->state);
 768         return err;
 769 }
 770
 771 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 772                              int reg, int offset, u32 mask, u32 write)
 773 {
 774         u32 pat, val;
 775         static const u32 test[] = {
 776                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 777         };
 778         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 779                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 780                                       (test[pat] & write));
 781                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 782                 if (val != (test[pat] & write & mask)) {
 783                         e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 784                               reg + (offset << 2), val,
 785                               (test[pat] & write & mask));
 786                         *data = reg;
 787                         return true;
 788                 }
 789         }
 790         return false;
 791 }
 792
 793 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 794                               int reg, u32 mask, u32 write)
 795 {
 796         u32 val;
 797
 798         __ew32(&adapter->hw, reg, write & mask);
 799         val = __er32(&adapter->hw, reg);
 800         if ((write & mask) != (val & mask)) {
 801                 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 802                       reg, (val & mask), (write & mask));
 803                 *data = reg;
 804                 return true;
 805         }
 806         return false;
 807 }
 808
 809 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 810         do {                                                                   \
 811                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 812                         return 1;                                              \
 813         } while (0)
 814 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 815         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 816
 817 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 818         do {                                                                   \
 819                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 820                         return 1;                                              \
 821         } while (0)
 822
 823 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 824 {
 825         struct e1000_hw *hw = &adapter->hw;
 826         struct e1000_mac_info *mac = &adapter->hw.mac;
 827         u32 value;
 828         u32 before;
 829         u32 after;
 830         u32 i;
 831         u32 toggle;
 832         u32 mask;
 833         u32 wlock_mac = 0;
 834
 835         /* The status register is Read Only, so a write should fail.
 836          * Some bits that get toggled are ignored.  There are several bits
 837          * on newer hardware that are r/w.
 838          */
 839         switch (mac->type) {
 840         case e1000_82571:
 841         case e1000_82572:
 842         case e1000_80003es2lan:
 843                 toggle = 0x7FFFF3FF;
 844                 break;
 845         default:
 846                 toggle = 0x7FFFF033;
 847                 break;
 848         }
 849
 850         before = er32(STATUS);
 851         value = (er32(STATUS) & toggle);
 852         ew32(STATUS, toggle);
 853         after = er32(STATUS) & toggle;
 854         if (value != after) {
 855                 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 856                       after, value);
 857                 *data = 1;
 858                 return 1;
 859         }
 860         /* restore previous status */
 861         ew32(STATUS, before);
 862
 863         if (!(adapter->flags & FLAG_IS_ICH)) {
 864                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 865                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 866                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 867                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 868         }
 869
 870         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 871         REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 872         REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 873         REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 874         REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 875         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 876         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 877         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 878         REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 879         REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 880
 881         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 882
 883         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 884         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 885         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 886
 887         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 888         REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 889         if (!(adapter->flags & FLAG_IS_ICH))
 890                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 891         REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 892         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 893         mask = 0x8003FFFF;
 894         switch (mac->type) {
 895         case e1000_ich10lan:
 896         case e1000_pchlan:
 897         case e1000_pch2lan:
 898         case e1000_pch_lpt:
 899         case e1000_pch_spt:
 900                 mask |= (1 << 18);
 901                 break;
 902         default:
 903                 break;
 904         }
 905
 906         if ((mac->type == e1000_pch_lpt) || (mac->type == e1000_pch_spt))
 907                 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 908                     E1000_FWSM_WLOCK_MAC_SHIFT;
 909
 910         for (i = 0; i < mac->rar_entry_count; i++) {
 911                 if ((mac->type == e1000_pch_lpt) ||
 912                     (mac->type == e1000_pch_spt)) {
 913                         /* Cannot test write-protected SHRAL[n] registers */
 914                         if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
 915                                 continue;
 916
 917                         /* SHRAH[9] different than the others */
 918                         if (i == 10)
 919                                 mask |= (1 << 30);
 920                         else
 921                                 mask &= ~(1 << 30);
 922                 }
 923                 if (mac->type == e1000_pch2lan) {
 924                         /* SHRAH[0,1,2] different than previous */
 925                         if (i == 1)
 926                                 mask &= 0xFFF4FFFF;
 927                         /* SHRAH[3] different than SHRAH[0,1,2] */
 928                         if (i == 4)
 929                                 mask |= (1 << 30);
 930                         /* RAR[1-6] owned by management engine - skipping */
 931                         if (i > 0)
 932                                 i += 6;
 933                 }
 934
 935                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
 936                                        0xFFFFFFFF);
 937                 /* reset index to actual value */
 938                 if ((mac->type == e1000_pch2lan) && (i > 6))
 939                         i -= 6;
 940         }
 941
 942         for (i = 0; i < mac->mta_reg_count; i++)
 943                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 944
 945         *data = 0;
 946
 947         return 0;
 948 }
 949
 950 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 951 {
 952         u16 temp;
 953         u16 checksum = 0;
 954         u16 i;
 955
 956         *data = 0;
 957         /* Read and add up the contents of the EEPROM */
 958         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 959                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 960                         *data = 1;
 961                         return *data;
 962                 }
 963                 checksum += temp;
 964         }
 965
 966         /* If Checksum is not Correct return error else test passed */
 967         if ((checksum != (u16)NVM_SUM) && !(*data))
 968                 *data = 2;
 969
 970         return *data;
 971 }
 972
 973 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 974 {
 975         struct net_device *netdev = (struct net_device *)data;
 976         struct e1000_adapter *adapter = netdev_priv(netdev);
 977         struct e1000_hw *hw = &adapter->hw;
 978
 979         adapter->test_icr |= er32(ICR);
 980
 981         return IRQ_HANDLED;
 982 }
 983
 984 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 985 {
 986         struct net_device *netdev = adapter->netdev;
 987         struct e1000_hw *hw = &adapter->hw;
 988         u32 mask;
 989         u32 shared_int = 1;
 990         u32 irq = adapter->pdev->irq;
 991         int i;
 992         int ret_val = 0;
 993         int int_mode = E1000E_INT_MODE_LEGACY;
 994
 995         *data = 0;
 996
 997         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 998         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 999                 int_mode = adapter->int_mode;
1000                 e1000e_reset_interrupt_capability(adapter);
1001                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
1002                 e1000e_set_interrupt_capability(adapter);
1003         }
1004         /* Hook up test interrupt handler just for this test */
1005         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1006                          netdev)) {
1007                 shared_int = 0;
1008         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1009                                netdev)) {
1010                 *data = 1;
1011                 ret_val = -1;
1012                 goto out;
1013         }
1014         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1015
1016         /* Disable all the interrupts */
1017         ew32(IMC, 0xFFFFFFFF);
1018         e1e_flush();
1019         usleep_range(10000, 20000);
1020
1021         /* Test each interrupt */
1022         for (i = 0; i < 10; i++) {
1023                 /* Interrupt to test */
1024                 mask = 1 << i;
1025
1026                 if (adapter->flags & FLAG_IS_ICH) {
1027                         switch (mask) {
1028                         case E1000_ICR_RXSEQ:
1029                                 continue;
1030                         case 0x00000100:
1031                                 if (adapter->hw.mac.type == e1000_ich8lan ||
1032                                     adapter->hw.mac.type == e1000_ich9lan)
1033                                         continue;
1034                                 break;
1035                         default:
1036                                 break;
1037                         }
1038                 }
1039
1040                 if (!shared_int) {
1041                         /* Disable the interrupt to be reported in
1042                          * the cause register and then force the same
1043                          * interrupt and see if one gets posted.  If
1044                          * an interrupt was posted to the bus, the
1045                          * test failed.
1046                          */
1047                         adapter->test_icr = 0;
1048                         ew32(IMC, mask);
1049                         ew32(ICS, mask);
1050                         e1e_flush();
1051                         usleep_range(10000, 20000);
1052
1053                         if (adapter->test_icr & mask) {
1054                                 *data = 3;
1055                                 break;
1056                         }
1057                 }
1058
1059                 /* Enable the interrupt to be reported in
1060                  * the cause register and then force the same
1061                  * interrupt and see if one gets posted.  If
1062                  * an interrupt was not posted to the bus, the
1063                  * test failed.
1064                  */
1065                 adapter->test_icr = 0;
1066                 ew32(IMS, mask);
1067                 ew32(ICS, mask);
1068                 e1e_flush();
1069                 usleep_range(10000, 20000);
1070
1071                 if (!(adapter->test_icr & mask)) {
1072                         *data = 4;
1073                         break;
1074                 }
1075
1076                 if (!shared_int) {
1077                         /* Disable the other interrupts to be reported in
1078                          * the cause register and then force the other
1079                          * interrupts and see if any get posted.  If
1080                          * an interrupt was posted to the bus, the
1081                          * test failed.
1082                          */
1083                         adapter->test_icr = 0;
1084                         ew32(IMC, ~mask & 0x00007FFF);
1085                         ew32(ICS, ~mask & 0x00007FFF);
1086                         e1e_flush();
1087                         usleep_range(10000, 20000);
1088
1089                         if (adapter->test_icr) {
1090                                 *data = 5;
1091                                 break;
1092                         }
1093                 }
1094         }
1095
1096         /* Disable all the interrupts */
1097         ew32(IMC, 0xFFFFFFFF);
1098         e1e_flush();
1099         usleep_range(10000, 20000);
1100
1101         /* Unhook test interrupt handler */
1102         free_irq(irq, netdev);
1103
1104 out:
1105         if (int_mode == E1000E_INT_MODE_MSIX) {
1106                 e1000e_reset_interrupt_capability(adapter);
1107                 adapter->int_mode = int_mode;
1108                 e1000e_set_interrupt_capability(adapter);
1109         }
1110
1111         return ret_val;
1112 }
1113
1114 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1115 {
1116         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1117         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1118         struct pci_dev *pdev = adapter->pdev;
1119         struct e1000_buffer *buffer_info;
1120         int i;
1121
1122         if (tx_ring->desc && tx_ring->buffer_info) {
1123                 for (i = 0; i < tx_ring->count; i++) {
1124                         buffer_info = &tx_ring->buffer_info[i];
1125
1126                         if (buffer_info->dma)
1127                                 dma_unmap_single(&pdev->dev,
1128                                                  buffer_info->dma,
1129                                                  buffer_info->length,
1130                                                  DMA_TO_DEVICE);
1131                         if (buffer_info->skb)
1132                                 dev_kfree_skb(buffer_info->skb);
1133                 }
1134         }
1135
1136         if (rx_ring->desc && rx_ring->buffer_info) {
1137                 for (i = 0; i < rx_ring->count; i++) {
1138                         buffer_info = &rx_ring->buffer_info[i];
1139
1140                         if (buffer_info->dma)
1141                                 dma_unmap_single(&pdev->dev,
1142                                                  buffer_info->dma,
1143                                                  2048, DMA_FROM_DEVICE);
1144                         if (buffer_info->skb)
1145                                 dev_kfree_skb(buffer_info->skb);
1146                 }
1147         }
1148
1149         if (tx_ring->desc) {
1150                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1151                                   tx_ring->dma);
1152                 tx_ring->desc = NULL;
1153         }
1154         if (rx_ring->desc) {
1155                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1156                                   rx_ring->dma);
1157                 rx_ring->desc = NULL;
1158         }
1159
1160         kfree(tx_ring->buffer_info);
1161         tx_ring->buffer_info = NULL;
1162         kfree(rx_ring->buffer_info);
1163         rx_ring->buffer_info = NULL;
1164 }
1165
1166 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1167 {
1168         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1169         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1170         struct pci_dev *pdev = adapter->pdev;
1171         struct e1000_hw *hw = &adapter->hw;
1172         u32 rctl;
1173         int i;
1174         int ret_val;
1175
1176         /* Setup Tx descriptor ring and Tx buffers */
1177
1178         if (!tx_ring->count)
1179                 tx_ring->count = E1000_DEFAULT_TXD;
1180
1181         tx_ring->buffer_info = kcalloc(tx_ring->count,
1182                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1183         if (!tx_ring->buffer_info) {
1184                 ret_val = 1;
1185                 goto err_nomem;
1186         }
1187
1188         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1189         tx_ring->size = ALIGN(tx_ring->size, 4096);
1190         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1191                                            &tx_ring->dma, GFP_KERNEL);
1192         if (!tx_ring->desc) {
1193                 ret_val = 2;
1194                 goto err_nomem;
1195         }
1196         tx_ring->next_to_use = 0;
1197         tx_ring->next_to_clean = 0;
1198
1199         ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1200         ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1201         ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1202         ew32(TDH(0), 0);
1203         ew32(TDT(0), 0);
1204         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1205              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1206              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1207
1208         for (i = 0; i < tx_ring->count; i++) {
1209                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1210                 struct sk_buff *skb;
1211                 unsigned int skb_size = 1024;
1212
1213                 skb = alloc_skb(skb_size, GFP_KERNEL);
1214                 if (!skb) {
1215                         ret_val = 3;
1216                         goto err_nomem;
1217                 }
1218                 skb_put(skb, skb_size);
1219                 tx_ring->buffer_info[i].skb = skb;
1220                 tx_ring->buffer_info[i].length = skb->len;
1221                 tx_ring->buffer_info[i].dma =
1222                     dma_map_single(&pdev->dev, skb->data, skb->len,
1223                                    DMA_TO_DEVICE);
1224                 if (dma_mapping_error(&pdev->dev,
1225                                       tx_ring->buffer_info[i].dma)) {
1226                         ret_val = 4;
1227                         goto err_nomem;
1228                 }
1229                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1230                 tx_desc->lower.data = cpu_to_le32(skb->len);
1231                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1232                                                    E1000_TXD_CMD_IFCS |
1233                                                    E1000_TXD_CMD_RS);
1234                 tx_desc->upper.data = 0;
1235         }
1236
1237         /* Setup Rx descriptor ring and Rx buffers */
1238
1239         if (!rx_ring->count)
1240                 rx_ring->count = E1000_DEFAULT_RXD;
1241
1242         rx_ring->buffer_info = kcalloc(rx_ring->count,
1243                                        sizeof(struct e1000_buffer), GFP_KERNEL);
1244         if (!rx_ring->buffer_info) {
1245                 ret_val = 5;
1246                 goto err_nomem;
1247         }
1248
1249         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1250         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1251                                            &rx_ring->dma, GFP_KERNEL);
1252         if (!rx_ring->desc) {
1253                 ret_val = 6;
1254                 goto err_nomem;
1255         }
1256         rx_ring->next_to_use = 0;
1257         rx_ring->next_to_clean = 0;
1258
1259         rctl = er32(RCTL);
1260         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1261                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1262         ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1263         ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1264         ew32(RDLEN(0), rx_ring->size);
1265         ew32(RDH(0), 0);
1266         ew32(RDT(0), 0);
1267         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1268             E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1269             E1000_RCTL_SBP | E1000_RCTL_SECRC |
1270             E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1271             (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1272         ew32(RCTL, rctl);
1273
1274         for (i = 0; i < rx_ring->count; i++) {
1275                 union e1000_rx_desc_extended *rx_desc;
1276                 struct sk_buff *skb;
1277
1278                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1279                 if (!skb) {
1280                         ret_val = 7;
1281                         goto err_nomem;
1282                 }
1283                 skb_reserve(skb, NET_IP_ALIGN);
1284                 rx_ring->buffer_info[i].skb = skb;
1285                 rx_ring->buffer_info[i].dma =
1286                     dma_map_single(&pdev->dev, skb->data, 2048,
1287                                    DMA_FROM_DEVICE);
1288                 if (dma_mapping_error(&pdev->dev,
1289                                       rx_ring->buffer_info[i].dma)) {
1290                         ret_val = 8;
1291                         goto err_nomem;
1292                 }
1293                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1294                 rx_desc->read.buffer_addr =
1295                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1296                 memset(skb->data, 0x00, skb->len);
1297         }
1298
1299         return 0;
1300
1301 err_nomem:
1302         e1000_free_desc_rings(adapter);
1303         return ret_val;
1304 }
1305
1306 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1307 {
1308         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1309         e1e_wphy(&adapter->hw, 29, 0x001F);
1310         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1311         e1e_wphy(&adapter->hw, 29, 0x001A);
1312         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1313 }
1314
1315 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1316 {
1317         struct e1000_hw *hw = &adapter->hw;
1318         u32 ctrl_reg = 0;
1319         u16 phy_reg = 0;
1320         s32 ret_val = 0;
1321
1322         hw->mac.autoneg = 0;
1323
1324         if (hw->phy.type == e1000_phy_ife) {
1325                 /* force 100, set loopback */
1326                 e1e_wphy(hw, MII_BMCR, 0x6100);
1327
1328                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1329                 ctrl_reg = er32(CTRL);
1330                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1331                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1332                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1333                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1334                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1335
1336                 ew32(CTRL, ctrl_reg);
1337                 e1e_flush();
1338                 usleep_range(500, 1000);
1339
1340                 return 0;
1341         }
1342
1343         /* Specific PHY configuration for loopback */
1344         switch (hw->phy.type) {
1345         case e1000_phy_m88:
1346                 /* Auto-MDI/MDIX Off */
1347                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1348                 /* reset to update Auto-MDI/MDIX */
1349                 e1e_wphy(hw, MII_BMCR, 0x9140);
1350                 /* autoneg off */
1351                 e1e_wphy(hw, MII_BMCR, 0x8140);
1352                 break;
1353         case e1000_phy_gg82563:
1354                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1355                 break;
1356         case e1000_phy_bm:
1357                 /* Set Default MAC Interface speed to 1GB */
1358                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1359                 phy_reg &= ~0x0007;
1360                 phy_reg |= 0x006;
1361                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1362                 /* Assert SW reset for above settings to take effect */
1363                 hw->phy.ops.commit(hw);
1364                 usleep_range(1000, 2000);
1365                 /* Force Full Duplex */
1366                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1367                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1368                 /* Set Link Up (in force link) */
1369                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1370                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1371                 /* Force Link */
1372                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1373                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1374                 /* Set Early Link Enable */
1375                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1376                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1377                 break;
1378         case e1000_phy_82577:
1379         case e1000_phy_82578:
1380                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1381                 ret_val = hw->phy.ops.acquire(hw);
1382                 if (ret_val) {
1383                         e_err("Cannot setup 1Gbps loopback.\n");
1384                         return ret_val;
1385                 }
1386                 e1000_configure_k1_ich8lan(hw, false);
1387                 hw->phy.ops.release(hw);
1388                 break;
1389         case e1000_phy_82579:
1390                 /* Disable PHY energy detect power down */
1391                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1392                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1393                 /* Disable full chip energy detect */
1394                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1395                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1396                 /* Enable loopback on the PHY */
1397                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1398                 break;
1399         default:
1400                 break;
1401         }
1402
1403         /* force 1000, set loopback */
1404         e1e_wphy(hw, MII_BMCR, 0x4140);
1405         msleep(250);
1406
1407         /* Now set up the MAC to the same speed/duplex as the PHY. */
1408         ctrl_reg = er32(CTRL);
1409         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1410         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1411                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1412                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1413                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1414
1415         if (adapter->flags & FLAG_IS_ICH)
1416                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1417
1418         if (hw->phy.media_type == e1000_media_type_copper &&
1419             hw->phy.type == e1000_phy_m88) {
1420                 ctrl_reg |= E1000_CTRL_ILOS;    /* Invert Loss of Signal */
1421         } else {
1422                 /* Set the ILOS bit on the fiber Nic if half duplex link is
1423                  * detected.
1424                  */
1425                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1426                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1427         }
1428
1429         ew32(CTRL, ctrl_reg);
1430
1431         /* Disable the receiver on the PHY so when a cable is plugged in, the
1432          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1433          */
1434         if (hw->phy.type == e1000_phy_m88)
1435                 e1000_phy_disable_receiver(adapter);
1436
1437         usleep_range(500, 1000);
1438
1439         return 0;
1440 }
1441
1442 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1443 {
1444         struct e1000_hw *hw = &adapter->hw;
1445         u32 ctrl = er32(CTRL);
1446         int link;
1447
1448         /* special requirements for 82571/82572 fiber adapters */
1449
1450         /* jump through hoops to make sure link is up because serdes
1451          * link is hardwired up
1452          */
1453         ctrl |= E1000_CTRL_SLU;
1454         ew32(CTRL, ctrl);
1455
1456         /* disable autoneg */
1457         ctrl = er32(TXCW);
1458         ctrl &= ~(1 << 31);
1459         ew32(TXCW, ctrl);
1460
1461         link = (er32(STATUS) & E1000_STATUS_LU);
1462
1463         if (!link) {
1464                 /* set invert loss of signal */
1465                 ctrl = er32(CTRL);
1466                 ctrl |= E1000_CTRL_ILOS;
1467                 ew32(CTRL, ctrl);
1468         }
1469
1470         /* special write to serdes control register to enable SerDes analog
1471          * loopback
1472          */
1473         ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1474         e1e_flush();
1475         usleep_range(10000, 20000);
1476
1477         return 0;
1478 }
1479
1480 /* only call this for fiber/serdes connections to es2lan */
1481 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1482 {
1483         struct e1000_hw *hw = &adapter->hw;
1484         u32 ctrlext = er32(CTRL_EXT);
1485         u32 ctrl = er32(CTRL);
1486
1487         /* save CTRL_EXT to restore later, reuse an empty variable (unused
1488          * on mac_type 80003es2lan)
1489          */
1490         adapter->tx_fifo_head = ctrlext;
1491
1492         /* clear the serdes mode bits, putting the device into mac loopback */
1493         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1494         ew32(CTRL_EXT, ctrlext);
1495
1496         /* force speed to 1000/FD, link up */
1497         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1498         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1499                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1500         ew32(CTRL, ctrl);
1501
1502         /* set mac loopback */
1503         ctrl = er32(RCTL);
1504         ctrl |= E1000_RCTL_LBM_MAC;
1505         ew32(RCTL, ctrl);
1506
1507         /* set testing mode parameters (no need to reset later) */
1508 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1509 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1510         ew32(KMRNCTRLSTA,
1511              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1512
1513         return 0;
1514 }
1515
1516 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1517 {
1518         struct e1000_hw *hw = &adapter->hw;
1519         u32 rctl, fext_nvm11, tarc0;
1520
1521         if (hw->mac.type == e1000_pch_spt) {
1522                 fext_nvm11 = er32(FEXTNVM11);
1523                 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1524                 ew32(FEXTNVM11, fext_nvm11);
1525                 tarc0 = er32(TARC(0));
1526                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1527                 tarc0 &= 0xcfffffff;
1528                 /* set bit 29 (value of MULR requests is now 2) */
1529                 tarc0 |= 0x20000000;
1530                 ew32(TARC(0), tarc0);
1531         }
1532         if (hw->phy.media_type == e1000_media_type_fiber ||
1533             hw->phy.media_type == e1000_media_type_internal_serdes) {
1534                 switch (hw->mac.type) {
1535                 case e1000_80003es2lan:
1536                         return e1000_set_es2lan_mac_loopback(adapter);
1537                 case e1000_82571:
1538                 case e1000_82572:
1539                         return e1000_set_82571_fiber_loopback(adapter);
1540                 default:
1541                         rctl = er32(RCTL);
1542                         rctl |= E1000_RCTL_LBM_TCVR;
1543                         ew32(RCTL, rctl);
1544                         return 0;
1545                 }
1546         } else if (hw->phy.media_type == e1000_media_type_copper) {
1547                 return e1000_integrated_phy_loopback(adapter);
1548         }
1549
1550         return 7;
1551 }
1552
1553 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1554 {
1555         struct e1000_hw *hw = &adapter->hw;
1556         u32 rctl, fext_nvm11, tarc0;
1557         u16 phy_reg;
1558
1559         rctl = er32(RCTL);
1560         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1561         ew32(RCTL, rctl);
1562
1563         switch (hw->mac.type) {
1564         case e1000_pch_spt:
1565                 fext_nvm11 = er32(FEXTNVM11);
1566                 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1567                 ew32(FEXTNVM11, fext_nvm11);
1568                 tarc0 = er32(TARC(0));
1569                 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1570                 /* set bit 29 (value of MULR requests is now 0) */
1571                 tarc0 &= 0xcfffffff;
1572                 ew32(TARC(0), tarc0);
1573                 /* fall through */
1574         case e1000_80003es2lan:
1575                 if (hw->phy.media_type == e1000_media_type_fiber ||
1576                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1577                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1578                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1579                         adapter->tx_fifo_head = 0;
1580                 }
1581                 /* fall through */
1582         case e1000_82571:
1583         case e1000_82572:
1584                 if (hw->phy.media_type == e1000_media_type_fiber ||
1585                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1586                         ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1587                         e1e_flush();
1588                         usleep_range(10000, 20000);
1589                         break;
1590                 }
1591                 /* Fall Through */
1592         default:
1593                 hw->mac.autoneg = 1;
1594                 if (hw->phy.type == e1000_phy_gg82563)
1595                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1596                 e1e_rphy(hw, MII_BMCR, &phy_reg);
1597                 if (phy_reg & BMCR_LOOPBACK) {
1598                         phy_reg &= ~BMCR_LOOPBACK;
1599                         e1e_wphy(hw, MII_BMCR, phy_reg);
1600                         if (hw->phy.ops.commit)
1601                                 hw->phy.ops.commit(hw);
1602                 }
1603                 break;
1604         }
1605 }
1606
1607 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1608                                       unsigned int frame_size)
1609 {
1610         memset(skb->data, 0xFF, frame_size);
1611         frame_size &= ~1;
1612         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1613         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1614         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1615 }
1616
1617 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1618                                     unsigned int frame_size)
1619 {
1620         frame_size &= ~1;
1621         if (*(skb->data + 3) == 0xFF)
1622                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1623                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
1624                         return 0;
1625         return 13;
1626 }
1627
1628 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1629 {
1630         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1631         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1632         struct pci_dev *pdev = adapter->pdev;
1633         struct e1000_hw *hw = &adapter->hw;
1634         struct e1000_buffer *buffer_info;
1635         int i, j, k, l;
1636         int lc;
1637         int good_cnt;
1638         int ret_val = 0;
1639         unsigned long time;
1640
1641         ew32(RDT(0), rx_ring->count - 1);
1642
1643         /* Calculate the loop count based on the largest descriptor ring
1644          * The idea is to wrap the largest ring a number of times using 64
1645          * send/receive pairs during each loop
1646          */
1647
1648         if (rx_ring->count <= tx_ring->count)
1649                 lc = ((tx_ring->count / 64) * 2) + 1;
1650         else
1651                 lc = ((rx_ring->count / 64) * 2) + 1;
1652
1653         k = 0;
1654         l = 0;
1655         /* loop count loop */
1656         for (j = 0; j <= lc; j++) {
1657                 /* send the packets */
1658                 for (i = 0; i < 64; i++) {
1659                         buffer_info = &tx_ring->buffer_info[k];
1660
1661                         e1000_create_lbtest_frame(buffer_info->skb, 1024);
1662                         dma_sync_single_for_device(&pdev->dev,
1663                                                    buffer_info->dma,
1664                                                    buffer_info->length,
1665                                                    DMA_TO_DEVICE);
1666                         k++;
1667                         if (k == tx_ring->count)
1668                                 k = 0;
1669                 }
1670                 ew32(TDT(0), k);
1671                 e1e_flush();
1672                 msleep(200);
1673                 time = jiffies; /* set the start time for the receive */
1674                 good_cnt = 0;
1675                 /* receive the sent packets */
1676                 do {
1677                         buffer_info = &rx_ring->buffer_info[l];
1678
1679                         dma_sync_single_for_cpu(&pdev->dev,
1680                                                 buffer_info->dma, 2048,
1681                                                 DMA_FROM_DEVICE);
1682
1683                         ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1684                                                            1024);
1685                         if (!ret_val)
1686                                 good_cnt++;
1687                         l++;
1688                         if (l == rx_ring->count)
1689                                 l = 0;
1690                         /* time + 20 msecs (200 msecs on 2.4) is more than
1691                          * enough time to complete the receives, if it's
1692                          * exceeded, break and error off
1693                          */
1694                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1695                 if (good_cnt != 64) {
1696                         ret_val = 13;   /* ret_val is the same as mis-compare */
1697                         break;
1698                 }
1699                 if (time_after(jiffies, time + 20)) {
1700                         ret_val = 14;   /* error code for time out error */
1701                         break;
1702                 }
1703         }
1704         return ret_val;
1705 }
1706
1707 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1708 {
1709         struct e1000_hw *hw = &adapter->hw;
1710
1711         /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1712         if (hw->phy.ops.check_reset_block &&
1713             hw->phy.ops.check_reset_block(hw)) {
1714                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1715                 *data = 0;
1716                 goto out;
1717         }
1718
1719         *data = e1000_setup_desc_rings(adapter);
1720         if (*data)
1721                 goto out;
1722
1723         *data = e1000_setup_loopback_test(adapter);
1724         if (*data)
1725                 goto err_loopback;
1726
1727         *data = e1000_run_loopback_test(adapter);
1728         e1000_loopback_cleanup(adapter);
1729
1730 err_loopback:
1731         e1000_free_desc_rings(adapter);
1732 out:
1733         return *data;
1734 }
1735
1736 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1737 {
1738         struct e1000_hw *hw = &adapter->hw;
1739
1740         *data = 0;
1741         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1742                 int i = 0;
1743
1744                 hw->mac.serdes_has_link = false;
1745
1746                 /* On some blade server designs, link establishment
1747                  * could take as long as 2-3 minutes
1748                  */
1749                 do {
1750                         hw->mac.ops.check_for_link(hw);
1751                         if (hw->mac.serdes_has_link)
1752                                 return *data;
1753                         msleep(20);
1754                 } while (i++ < 3750);
1755
1756                 *data = 1;
1757         } else {
1758                 hw->mac.ops.check_for_link(hw);
1759                 if (hw->mac.autoneg)
1760                         /* On some Phy/switch combinations, link establishment
1761                          * can take a few seconds more than expected.
1762                          */
1763                         msleep_interruptible(5000);
1764
1765                 if (!(er32(STATUS) & E1000_STATUS_LU))
1766                         *data = 1;
1767         }
1768         return *data;
1769 }
1770
1771 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1772                                  int sset)
1773 {
1774         switch (sset) {
1775         case ETH_SS_TEST:
1776                 return E1000_TEST_LEN;
1777         case ETH_SS_STATS:
1778                 return E1000_STATS_LEN;
1779         default:
1780                 return -EOPNOTSUPP;
1781         }
1782 }
1783
1784 static void e1000_diag_test(struct net_device *netdev,
1785                             struct ethtool_test *eth_test, u64 *data)
1786 {
1787         struct e1000_adapter *adapter = netdev_priv(netdev);
1788         u16 autoneg_advertised;
1789         u8 forced_speed_duplex;
1790         u8 autoneg;
1791         bool if_running = netif_running(netdev);
1792
1793         pm_runtime_get_sync(netdev->dev.parent);
1794
1795         set_bit(__E1000_TESTING, &adapter->state);
1796
1797         if (!if_running) {
1798                 /* Get control of and reset hardware */
1799                 if (adapter->flags & FLAG_HAS_AMT)
1800                         e1000e_get_hw_control(adapter);
1801
1802                 e1000e_power_up_phy(adapter);
1803
1804                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1805                 e1000e_reset(adapter);
1806                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1807         }
1808
1809         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1810                 /* Offline tests */
1811
1812                 /* save speed, duplex, autoneg settings */
1813                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1814                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1815                 autoneg = adapter->hw.mac.autoneg;
1816
1817                 e_info("offline testing starting\n");
1818
1819                 if (if_running)
1820                         /* indicate we're in test mode */
1821                         dev_close(netdev);
1822
1823                 if (e1000_reg_test(adapter, &data[0]))
1824                         eth_test->flags |= ETH_TEST_FL_FAILED;
1825
1826                 e1000e_reset(adapter);
1827                 if (e1000_eeprom_test(adapter, &data[1]))
1828                         eth_test->flags |= ETH_TEST_FL_FAILED;
1829
1830                 e1000e_reset(adapter);
1831                 if (e1000_intr_test(adapter, &data[2]))
1832                         eth_test->flags |= ETH_TEST_FL_FAILED;
1833
1834                 e1000e_reset(adapter);
1835                 if (e1000_loopback_test(adapter, &data[3]))
1836                         eth_test->flags |= ETH_TEST_FL_FAILED;
1837
1838                 /* force this routine to wait until autoneg complete/timeout */
1839                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1840                 e1000e_reset(adapter);
1841                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1842
1843                 if (e1000_link_test(adapter, &data[4]))
1844                         eth_test->flags |= ETH_TEST_FL_FAILED;
1845
1846                 /* restore speed, duplex, autoneg settings */
1847                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1848                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1849                 adapter->hw.mac.autoneg = autoneg;
1850                 e1000e_reset(adapter);
1851
1852                 clear_bit(__E1000_TESTING, &adapter->state);
1853                 if (if_running)
1854                         dev_open(netdev);
1855         } else {
1856                 /* Online tests */
1857
1858                 e_info("online testing starting\n");
1859
1860                 /* register, eeprom, intr and loopback tests not run online */
1861                 data[0] = 0;
1862                 data[1] = 0;
1863                 data[2] = 0;
1864                 data[3] = 0;
1865
1866                 if (e1000_link_test(adapter, &data[4]))
1867                         eth_test->flags |= ETH_TEST_FL_FAILED;
1868
1869                 clear_bit(__E1000_TESTING, &adapter->state);
1870         }
1871
1872         if (!if_running) {
1873                 e1000e_reset(adapter);
1874
1875                 if (adapter->flags & FLAG_HAS_AMT)
1876                         e1000e_release_hw_control(adapter);
1877         }
1878
1879         msleep_interruptible(4 * 1000);
1880
1881         pm_runtime_put_sync(netdev->dev.parent);
1882 }
1883
1884 static void e1000_get_wol(struct net_device *netdev,
1885                           struct ethtool_wolinfo *wol)
1886 {
1887         struct e1000_adapter *adapter = netdev_priv(netdev);
1888
1889         wol->supported = 0;
1890         wol->wolopts = 0;
1891
1892         if (!(adapter->flags & FLAG_HAS_WOL) ||
1893             !device_can_wakeup(&adapter->pdev->dev))
1894                 return;
1895
1896         wol->supported = WAKE_UCAST | WAKE_MCAST |
1897             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1898
1899         /* apply any specific unsupported masks here */
1900         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1901                 wol->supported &= ~WAKE_UCAST;
1902
1903                 if (adapter->wol & E1000_WUFC_EX)
1904                         e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1905         }
1906
1907         if (adapter->wol & E1000_WUFC_EX)
1908                 wol->wolopts |= WAKE_UCAST;
1909         if (adapter->wol & E1000_WUFC_MC)
1910                 wol->wolopts |= WAKE_MCAST;
1911         if (adapter->wol & E1000_WUFC_BC)
1912                 wol->wolopts |= WAKE_BCAST;
1913         if (adapter->wol & E1000_WUFC_MAG)
1914                 wol->wolopts |= WAKE_MAGIC;
1915         if (adapter->wol & E1000_WUFC_LNKC)
1916                 wol->wolopts |= WAKE_PHY;
1917 }
1918
1919 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1920 {
1921         struct e1000_adapter *adapter = netdev_priv(netdev);
1922
1923         if (!(adapter->flags & FLAG_HAS_WOL) ||
1924             !device_can_wakeup(&adapter->pdev->dev) ||
1925             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1926                               WAKE_MAGIC | WAKE_PHY)))
1927                 return -EOPNOTSUPP;
1928
1929         /* these settings will always override what we currently have */
1930         adapter->wol = 0;
1931
1932         if (wol->wolopts & WAKE_UCAST)
1933                 adapter->wol |= E1000_WUFC_EX;
1934         if (wol->wolopts & WAKE_MCAST)
1935                 adapter->wol |= E1000_WUFC_MC;
1936         if (wol->wolopts & WAKE_BCAST)
1937                 adapter->wol |= E1000_WUFC_BC;
1938         if (wol->wolopts & WAKE_MAGIC)
1939                 adapter->wol |= E1000_WUFC_MAG;
1940         if (wol->wolopts & WAKE_PHY)
1941                 adapter->wol |= E1000_WUFC_LNKC;
1942
1943         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1944
1945         return 0;
1946 }
1947
1948 static int e1000_set_phys_id(struct net_device *netdev,
1949                              enum ethtool_phys_id_state state)
1950 {
1951         struct e1000_adapter *adapter = netdev_priv(netdev);
1952         struct e1000_hw *hw = &adapter->hw;
1953
1954         switch (state) {
1955         case ETHTOOL_ID_ACTIVE:
1956                 pm_runtime_get_sync(netdev->dev.parent);
1957
1958                 if (!hw->mac.ops.blink_led)
1959                         return 2;       /* cycle on/off twice per second */
1960
1961                 hw->mac.ops.blink_led(hw);
1962                 break;
1963
1964         case ETHTOOL_ID_INACTIVE:
1965                 if (hw->phy.type == e1000_phy_ife)
1966                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1967                 hw->mac.ops.led_off(hw);
1968                 hw->mac.ops.cleanup_led(hw);
1969                 pm_runtime_put_sync(netdev->dev.parent);
1970                 break;
1971
1972         case ETHTOOL_ID_ON:
1973                 hw->mac.ops.led_on(hw);
1974                 break;
1975
1976         case ETHTOOL_ID_OFF:
1977                 hw->mac.ops.led_off(hw);
1978                 break;
1979         }
1980
1981         return 0;
1982 }
1983
1984 static int e1000_get_coalesce(struct net_device *netdev,
1985                               struct ethtool_coalesce *ec)
1986 {
1987         struct e1000_adapter *adapter = netdev_priv(netdev);
1988
1989         if (adapter->itr_setting <= 4)
1990                 ec->rx_coalesce_usecs = adapter->itr_setting;
1991         else
1992                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1993
1994         return 0;
1995 }
1996
1997 static int e1000_set_coalesce(struct net_device *netdev,
1998                               struct ethtool_coalesce *ec)
1999 {
2000         struct e1000_adapter *adapter = netdev_priv(netdev);
2001
2002         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2003             ((ec->rx_coalesce_usecs > 4) &&
2004              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2005             (ec->rx_coalesce_usecs == 2))
2006                 return -EINVAL;
2007
2008         if (ec->rx_coalesce_usecs == 4) {
2009                 adapter->itr_setting = 4;
2010                 adapter->itr = adapter->itr_setting;
2011         } else if (ec->rx_coalesce_usecs <= 3) {
2012                 adapter->itr = 20000;
2013                 adapter->itr_setting = ec->rx_coalesce_usecs;
2014         } else {
2015                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2016                 adapter->itr_setting = adapter->itr & ~3;
2017         }
2018
2019         pm_runtime_get_sync(netdev->dev.parent);
2020
2021         if (adapter->itr_setting != 0)
2022                 e1000e_write_itr(adapter, adapter->itr);
2023         else
2024                 e1000e_write_itr(adapter, 0);
2025
2026         pm_runtime_put_sync(netdev->dev.parent);
2027
2028         return 0;
2029 }
2030
2031 static int e1000_nway_reset(struct net_device *netdev)
2032 {
2033         struct e1000_adapter *adapter = netdev_priv(netdev);
2034
2035         if (!netif_running(netdev))
2036                 return -EAGAIN;
2037
2038         if (!adapter->hw.mac.autoneg)
2039                 return -EINVAL;
2040
2041         pm_runtime_get_sync(netdev->dev.parent);
2042         e1000e_reinit_locked(adapter);
2043         pm_runtime_put_sync(netdev->dev.parent);
2044
2045         return 0;
2046 }
2047
2048 static void e1000_get_ethtool_stats(struct net_device *netdev,
2049                                     struct ethtool_stats __always_unused *stats,
2050                                     u64 *data)
2051 {
2052         struct e1000_adapter *adapter = netdev_priv(netdev);
2053         struct rtnl_link_stats64 net_stats;
2054         int i;
2055         char *p = NULL;
2056
2057         pm_runtime_get_sync(netdev->dev.parent);
2058
2059         e1000e_get_stats64(netdev, &net_stats);
2060
2061         pm_runtime_put_sync(netdev->dev.parent);
2062
2063         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2064                 switch (e1000_gstrings_stats[i].type) {
2065                 case NETDEV_STATS:
2066                         p = (char *)&net_stats +
2067                             e1000_gstrings_stats[i].stat_offset;
2068                         break;
2069                 case E1000_STATS:
2070                         p = (char *)adapter +
2071                             e1000_gstrings_stats[i].stat_offset;
2072                         break;
2073                 default:
2074                         data[i] = 0;
2075                         continue;
2076                 }
2077
2078                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2079                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2080         }
2081 }
2082
2083 static void e1000_get_strings(struct net_device __always_unused *netdev,
2084                               u32 stringset, u8 *data)
2085 {
2086         u8 *p = data;
2087         int i;
2088
2089         switch (stringset) {
2090         case ETH_SS_TEST:
2091                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2092                 break;
2093         case ETH_SS_STATS:
2094                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2095                         memcpy(p, e1000_gstrings_stats[i].stat_string,
2096                                ETH_GSTRING_LEN);
2097                         p += ETH_GSTRING_LEN;
2098                 }
2099                 break;
2100         }
2101 }
2102
2103 static int e1000_get_rxnfc(struct net_device *netdev,
2104                            struct ethtool_rxnfc *info,
2105                            u32 __always_unused *rule_locs)
2106 {
2107         info->data = 0;
2108
2109         switch (info->cmd) {
2110         case ETHTOOL_GRXFH: {
2111                 struct e1000_adapter *adapter = netdev_priv(netdev);
2112                 struct e1000_hw *hw = &adapter->hw;
2113                 u32 mrqc;
2114
2115                 pm_runtime_get_sync(netdev->dev.parent);
2116                 mrqc = er32(MRQC);
2117                 pm_runtime_put_sync(netdev->dev.parent);
2118
2119                 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2120                         return 0;
2121
2122                 switch (info->flow_type) {
2123                 case TCP_V4_FLOW:
2124                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2125                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2126                         /* fall through */
2127                 case UDP_V4_FLOW:
2128                 case SCTP_V4_FLOW:
2129                 case AH_ESP_V4_FLOW:
2130                 case IPV4_FLOW:
2131                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2132                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2133                         break;
2134                 case TCP_V6_FLOW:
2135                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2136                                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2137                         /* fall through */
2138                 case UDP_V6_FLOW:
2139                 case SCTP_V6_FLOW:
2140                 case AH_ESP_V6_FLOW:
2141                 case IPV6_FLOW:
2142                         if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2143                                 info->data |= RXH_IP_SRC | RXH_IP_DST;
2144                         break;
2145                 default:
2146                         break;
2147                 }
2148                 return 0;
2149         }
2150         default:
2151                 return -EOPNOTSUPP;
2152         }
2153 }
2154
2155 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2156 {
2157         struct e1000_adapter *adapter = netdev_priv(netdev);
2158         struct e1000_hw *hw = &adapter->hw;
2159         u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2160         u32 ret_val;
2161
2162         if (!(adapter->flags2 & FLAG2_HAS_EEE))
2163                 return -EOPNOTSUPP;
2164
2165         switch (hw->phy.type) {
2166         case e1000_phy_82579:
2167                 cap_addr = I82579_EEE_CAPABILITY;
2168                 lpa_addr = I82579_EEE_LP_ABILITY;
2169                 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2170                 break;
2171         case e1000_phy_i217:
2172                 cap_addr = I217_EEE_CAPABILITY;
2173                 lpa_addr = I217_EEE_LP_ABILITY;
2174                 pcs_stat_addr = I217_EEE_PCS_STATUS;
2175                 break;
2176         default:
2177                 return -EOPNOTSUPP;
2178         }
2179
2180         pm_runtime_get_sync(netdev->dev.parent);
2181
2182         ret_val = hw->phy.ops.acquire(hw);
2183         if (ret_val) {
2184                 pm_runtime_put_sync(netdev->dev.parent);
2185                 return -EBUSY;
2186         }
2187
2188         /* EEE Capability */
2189         ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2190         if (ret_val)
2191                 goto release;
2192         edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2193
2194         /* EEE Advertised */
2195         edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2196
2197         /* EEE Link Partner Advertised */
2198         ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2199         if (ret_val)
2200                 goto release;
2201         edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2202
2203         /* EEE PCS Status */
2204         ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2205         if (ret_val)
2206                 goto release;
2207         if (hw->phy.type == e1000_phy_82579)
2208                 phy_data <<= 8;
2209
2210         /* Result of the EEE auto negotiation - there is no register that
2211          * has the status of the EEE negotiation so do a best-guess based
2212          * on whether Tx or Rx LPI indications have been received.
2213          */
2214         if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2215                 edata->eee_active = true;
2216
2217         edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2218         edata->tx_lpi_enabled = true;
2219         edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2220
2221 release:
2222         hw->phy.ops.release(hw);
2223         if (ret_val)
2224                 ret_val = -ENODATA;
2225
2226         pm_runtime_put_sync(netdev->dev.parent);
2227
2228         return ret_val;
2229 }
2230
2231 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2232 {
2233         struct e1000_adapter *adapter = netdev_priv(netdev);
2234         struct e1000_hw *hw = &adapter->hw;
2235         struct ethtool_eee eee_curr;
2236         s32 ret_val;
2237
2238         ret_val = e1000e_get_eee(netdev, &eee_curr);
2239         if (ret_val)
2240                 return ret_val;
2241
2242         if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2243                 e_err("Setting EEE tx-lpi is not supported\n");
2244                 return -EINVAL;
2245         }
2246
2247         if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2248                 e_err("Setting EEE Tx LPI timer is not supported\n");
2249                 return -EINVAL;
2250         }
2251
2252         if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2253                 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2254                 return -EINVAL;
2255         }
2256
2257         adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2258
2259         hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2260
2261         pm_runtime_get_sync(netdev->dev.parent);
2262
2263         /* reset the link */
2264         if (netif_running(netdev))
2265                 e1000e_reinit_locked(adapter);
2266         else
2267                 e1000e_reset(adapter);
2268
2269         pm_runtime_put_sync(netdev->dev.parent);
2270
2271         return 0;
2272 }
2273
2274 static int e1000e_get_ts_info(struct net_device *netdev,
2275                               struct ethtool_ts_info *info)
2276 {
2277         struct e1000_adapter *adapter = netdev_priv(netdev);
2278
2279         ethtool_op_get_ts_info(netdev, info);
2280
2281         if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2282                 return 0;
2283
2284         info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2285                                   SOF_TIMESTAMPING_RX_HARDWARE |
2286                                   SOF_TIMESTAMPING_RAW_HARDWARE);
2287
2288         info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2289
2290         info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
2291                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2292                             (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2293                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2294                             (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2295                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2296                             (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2297                             (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2298                             (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2299                             (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2300                             (1 << HWTSTAMP_FILTER_ALL));
2301
2302         if (adapter->ptp_clock)
2303                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2304
2305         return 0;
2306 }
2307
2308 static const struct ethtool_ops e1000_ethtool_ops = {
2309         .get_settings           = e1000_get_settings,
2310         .set_settings           = e1000_set_settings,
2311         .get_drvinfo            = e1000_get_drvinfo,
2312         .get_regs_len           = e1000_get_regs_len,
2313         .get_regs               = e1000_get_regs,
2314         .get_wol                = e1000_get_wol,
2315         .set_wol                = e1000_set_wol,
2316         .get_msglevel           = e1000_get_msglevel,
2317         .set_msglevel           = e1000_set_msglevel,
2318         .nway_reset             = e1000_nway_reset,
2319         .get_link               = ethtool_op_get_link,
2320         .get_eeprom_len         = e1000_get_eeprom_len,
2321         .get_eeprom             = e1000_get_eeprom,
2322         .set_eeprom             = e1000_set_eeprom,
2323         .get_ringparam          = e1000_get_ringparam,
2324         .set_ringparam          = e1000_set_ringparam,
2325         .get_pauseparam         = e1000_get_pauseparam,
2326         .set_pauseparam         = e1000_set_pauseparam,
2327         .self_test              = e1000_diag_test,
2328         .get_strings            = e1000_get_strings,
2329         .set_phys_id            = e1000_set_phys_id,
2330         .get_ethtool_stats      = e1000_get_ethtool_stats,
2331         .get_sset_count         = e1000e_get_sset_count,
2332         .get_coalesce           = e1000_get_coalesce,
2333         .set_coalesce           = e1000_set_coalesce,
2334         .get_rxnfc              = e1000_get_rxnfc,
2335         .get_ts_info            = e1000e_get_ts_info,
2336         .get_eee                = e1000e_get_eee,
2337         .set_eee                = e1000e_set_eee,
2338 };
2339
2340 void e1000e_set_ethtool_ops(struct net_device *netdev)
2341 {
2342         netdev->ethtool_ops = &e1000_ethtool_ops;
2343 }