drivers/net/ethernet/sfc/ethtool.c

   1 /****************************************************************************
   2  * Driver for Solarflare network controllers and boards
   3  * Copyright 2005-2006 Fen Systems Ltd.
   4  * Copyright 2006-2013 Solarflare Communications Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published
   8  * by the Free Software Foundation, incorporated herein by reference.
   9  */
  10
  11 #include <linux/netdevice.h>
  12 #include <linux/ethtool.h>
  13 #include <linux/rtnetlink.h>
  14 #include <linux/in.h>
  15 #include "net_driver.h"
  16 #include "workarounds.h"
  17 #include "selftest.h"
  18 #include "efx.h"
  19 #include "filter.h"
  20 #include "nic.h"
  21
  22 struct efx_sw_stat_desc {
  23         const char *name;
  24         enum {
  25                 EFX_ETHTOOL_STAT_SOURCE_nic,
  26                 EFX_ETHTOOL_STAT_SOURCE_channel,
  27                 EFX_ETHTOOL_STAT_SOURCE_tx_queue
  28         } source;
  29         unsigned offset;
  30         u64(*get_stat) (void *field); /* Reader function */
  31 };
  32
  33 /* Initialiser for a struct efx_sw_stat_desc with type-checking */
  34 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  35                                 get_stat_function) {                    \
  36         .name = #stat_name,                                             \
  37         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  38         .offset = ((((field_type *) 0) ==                               \
  39                       &((struct efx_##source_name *)0)->field) ?        \
  40                     offsetof(struct efx_##source_name, field) :         \
  41                     offsetof(struct efx_##source_name, field)),         \
  42         .get_stat = get_stat_function,                                  \
  43 }
  44
  45 static u64 efx_get_uint_stat(void *field)
  46 {
  47         return *(unsigned int *)field;
  48 }
  49
  50 static u64 efx_get_atomic_stat(void *field)
  51 {
  52         return atomic_read((atomic_t *) field);
  53 }
  54
  55 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  56         EFX_ETHTOOL_STAT(field, nic, field,                     \
  57                          atomic_t, efx_get_atomic_stat)
  58
  59 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  60         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  61                          unsigned int, efx_get_uint_stat)
  62
  63 #define EFX_ETHTOOL_UINT_TXQ_STAT(field)                        \
  64         EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,           \
  65                          unsigned int, efx_get_uint_stat)
  66
  67 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
  68         EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
  69         EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
  70         EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
  71         EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
  72         EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
  73         EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
  74         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
  75         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
  76         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
  77         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
  78         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
  79         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
  80         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_nodesc_trunc),
  81         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
  82         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
  83 };
  84
  85 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
  86
  87 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
  88
  89 /**************************************************************************
  90  *
  91  * Ethtool operations
  92  *
  93  **************************************************************************
  94  */
  95
  96 /* Identify device by flashing LEDs */
  97 static int efx_ethtool_phys_id(struct net_device *net_dev,
  98                                enum ethtool_phys_id_state state)
  99 {
 100         struct efx_nic *efx = netdev_priv(net_dev);
 101         enum efx_led_mode mode = EFX_LED_DEFAULT;
 102
 103         switch (state) {
 104         case ETHTOOL_ID_ON:
 105                 mode = EFX_LED_ON;
 106                 break;
 107         case ETHTOOL_ID_OFF:
 108                 mode = EFX_LED_OFF;
 109                 break;
 110         case ETHTOOL_ID_INACTIVE:
 111                 mode = EFX_LED_DEFAULT;
 112                 break;
 113         case ETHTOOL_ID_ACTIVE:
 114                 return 1;       /* cycle on/off once per second */
 115         }
 116
 117         efx->type->set_id_led(efx, mode);
 118         return 0;
 119 }
 120
 121 /* This must be called with rtnl_lock held. */
 122 static int efx_ethtool_get_settings(struct net_device *net_dev,
 123                                     struct ethtool_cmd *ecmd)
 124 {
 125         struct efx_nic *efx = netdev_priv(net_dev);
 126         struct efx_link_state *link_state = &efx->link_state;
 127
 128         mutex_lock(&efx->mac_lock);
 129         efx->phy_op->get_settings(efx, ecmd);
 130         mutex_unlock(&efx->mac_lock);
 131
 132         /* Both MACs support pause frames (bidirectional and respond-only) */
 133         ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 134
 135         if (LOOPBACK_INTERNAL(efx)) {
 136                 ethtool_cmd_speed_set(ecmd, link_state->speed);
 137                 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 138         }
 139
 140         return 0;
 141 }
 142
 143 /* This must be called with rtnl_lock held. */
 144 static int efx_ethtool_set_settings(struct net_device *net_dev,
 145                                     struct ethtool_cmd *ecmd)
 146 {
 147         struct efx_nic *efx = netdev_priv(net_dev);
 148         int rc;
 149
 150         /* GMAC does not support 1000Mbps HD */
 151         if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
 152             (ecmd->duplex != DUPLEX_FULL)) {
 153                 netif_dbg(efx, drv, efx->net_dev,
 154                           "rejecting unsupported 1000Mbps HD setting\n");
 155                 return -EINVAL;
 156         }
 157
 158         mutex_lock(&efx->mac_lock);
 159         rc = efx->phy_op->set_settings(efx, ecmd);
 160         mutex_unlock(&efx->mac_lock);
 161         return rc;
 162 }
 163
 164 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 165                                     struct ethtool_drvinfo *info)
 166 {
 167         struct efx_nic *efx = netdev_priv(net_dev);
 168
 169         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 170         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 171         if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
 172                 efx_mcdi_print_fwver(efx, info->fw_version,
 173                                      sizeof(info->fw_version));
 174         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 175 }
 176
 177 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
 178 {
 179         return efx_nic_get_regs_len(netdev_priv(net_dev));
 180 }
 181
 182 static void efx_ethtool_get_regs(struct net_device *net_dev,
 183                                  struct ethtool_regs *regs, void *buf)
 184 {
 185         struct efx_nic *efx = netdev_priv(net_dev);
 186
 187         regs->version = efx->type->revision;
 188         efx_nic_get_regs(efx, buf);
 189 }
 190
 191 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 192 {
 193         struct efx_nic *efx = netdev_priv(net_dev);
 194         return efx->msg_enable;
 195 }
 196
 197 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 198 {
 199         struct efx_nic *efx = netdev_priv(net_dev);
 200         efx->msg_enable = msg_enable;
 201 }
 202
 203 /**
 204  * efx_fill_test - fill in an individual self-test entry
 205  * @test_index:         Index of the test
 206  * @strings:            Ethtool strings, or %NULL
 207  * @data:               Ethtool test results, or %NULL
 208  * @test:               Pointer to test result (used only if data != %NULL)
 209  * @unit_format:        Unit name format (e.g. "chan\%d")
 210  * @unit_id:            Unit id (e.g. 0 for "chan0")
 211  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 212  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 213  *
 214  * Fill in an individual self-test entry.
 215  */
 216 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
 217                           int *test, const char *unit_format, int unit_id,
 218                           const char *test_format, const char *test_id)
 219 {
 220         char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
 221
 222         /* Fill data value, if applicable */
 223         if (data)
 224                 data[test_index] = *test;
 225
 226         /* Fill string, if applicable */
 227         if (strings) {
 228                 if (strchr(unit_format, '%'))
 229                         snprintf(unit_str, sizeof(unit_str),
 230                                  unit_format, unit_id);
 231                 else
 232                         strcpy(unit_str, unit_format);
 233                 snprintf(test_str, sizeof(test_str), test_format, test_id);
 234                 snprintf(strings + test_index * ETH_GSTRING_LEN,
 235                          ETH_GSTRING_LEN,
 236                          "%-6s %-24s", unit_str, test_str);
 237         }
 238 }
 239
 240 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 241 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 242 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 243 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 244         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 245
 246 /**
 247  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 248  * @efx:                Efx NIC
 249  * @lb_tests:           Efx loopback self-test results structure
 250  * @mode:               Loopback test mode
 251  * @test_index:         Starting index of the test
 252  * @strings:            Ethtool strings, or %NULL
 253  * @data:               Ethtool test results, or %NULL
 254  */
 255 static int efx_fill_loopback_test(struct efx_nic *efx,
 256                                   struct efx_loopback_self_tests *lb_tests,
 257                                   enum efx_loopback_mode mode,
 258                                   unsigned int test_index,
 259                                   u8 *strings, u64 *data)
 260 {
 261         struct efx_channel *channel =
 262                 efx_get_channel(efx, efx->tx_channel_offset);
 263         struct efx_tx_queue *tx_queue;
 264
 265         efx_for_each_channel_tx_queue(tx_queue, channel) {
 266                 efx_fill_test(test_index++, strings, data,
 267                               &lb_tests->tx_sent[tx_queue->queue],
 268                               EFX_TX_QUEUE_NAME(tx_queue),
 269                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 270                 efx_fill_test(test_index++, strings, data,
 271                               &lb_tests->tx_done[tx_queue->queue],
 272                               EFX_TX_QUEUE_NAME(tx_queue),
 273                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 274         }
 275         efx_fill_test(test_index++, strings, data,
 276                       &lb_tests->rx_good,
 277                       "rx", 0,
 278                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 279         efx_fill_test(test_index++, strings, data,
 280                       &lb_tests->rx_bad,
 281                       "rx", 0,
 282                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 283
 284         return test_index;
 285 }
 286
 287 /**
 288  * efx_ethtool_fill_self_tests - get self-test details
 289  * @efx:                Efx NIC
 290  * @tests:              Efx self-test results structure, or %NULL
 291  * @strings:            Ethtool strings, or %NULL
 292  * @data:               Ethtool test results, or %NULL
 293  */
 294 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 295                                        struct efx_self_tests *tests,
 296                                        u8 *strings, u64 *data)
 297 {
 298         struct efx_channel *channel;
 299         unsigned int n = 0, i;
 300         enum efx_loopback_mode mode;
 301
 302         efx_fill_test(n++, strings, data, &tests->phy_alive,
 303                       "phy", 0, "alive", NULL);
 304         efx_fill_test(n++, strings, data, &tests->nvram,
 305                       "core", 0, "nvram", NULL);
 306         efx_fill_test(n++, strings, data, &tests->interrupt,
 307                       "core", 0, "interrupt", NULL);
 308
 309         /* Event queues */
 310         efx_for_each_channel(channel, efx) {
 311                 efx_fill_test(n++, strings, data,
 312                               &tests->eventq_dma[channel->channel],
 313                               EFX_CHANNEL_NAME(channel),
 314                               "eventq.dma", NULL);
 315                 efx_fill_test(n++, strings, data,
 316                               &tests->eventq_int[channel->channel],
 317                               EFX_CHANNEL_NAME(channel),
 318                               "eventq.int", NULL);
 319         }
 320
 321         efx_fill_test(n++, strings, data, &tests->memory,
 322                       "core", 0, "memory", NULL);
 323         efx_fill_test(n++, strings, data, &tests->registers,
 324                       "core", 0, "registers", NULL);
 325
 326         if (efx->phy_op->run_tests != NULL) {
 327                 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
 328
 329                 for (i = 0; true; ++i) {
 330                         const char *name;
 331
 332                         EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 333                         name = efx->phy_op->test_name(efx, i);
 334                         if (name == NULL)
 335                                 break;
 336
 337                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 338                                       "phy", 0, name, NULL);
 339                 }
 340         }
 341
 342         /* Loopback tests */
 343         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 344                 if (!(efx->loopback_modes & (1 << mode)))
 345                         continue;
 346                 n = efx_fill_loopback_test(efx,
 347                                            &tests->loopback[mode], mode, n,
 348                                            strings, data);
 349         }
 350
 351         return n;
 352 }
 353
 354 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
 355                                       int string_set)
 356 {
 357         struct efx_nic *efx = netdev_priv(net_dev);
 358
 359         switch (string_set) {
 360         case ETH_SS_STATS:
 361                 return efx->type->describe_stats(efx, NULL) +
 362                         EFX_ETHTOOL_SW_STAT_COUNT +
 363                         efx_ptp_describe_stats(efx, NULL);
 364         case ETH_SS_TEST:
 365                 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
 366         default:
 367                 return -EINVAL;
 368         }
 369 }
 370
 371 static void efx_ethtool_get_strings(struct net_device *net_dev,
 372                                     u32 string_set, u8 *strings)
 373 {
 374         struct efx_nic *efx = netdev_priv(net_dev);
 375         int i;
 376
 377         switch (string_set) {
 378         case ETH_SS_STATS:
 379                 strings += (efx->type->describe_stats(efx, strings) *
 380                             ETH_GSTRING_LEN);
 381                 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
 382                         strlcpy(strings + i * ETH_GSTRING_LEN,
 383                                 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
 384                 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
 385                 efx_ptp_describe_stats(efx, strings);
 386                 break;
 387         case ETH_SS_TEST:
 388                 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
 389                 break;
 390         default:
 391                 /* No other string sets */
 392                 break;
 393         }
 394 }
 395
 396 static void efx_ethtool_get_stats(struct net_device *net_dev,
 397                                   struct ethtool_stats *stats,
 398                                   u64 *data)
 399 {
 400         struct efx_nic *efx = netdev_priv(net_dev);
 401         const struct efx_sw_stat_desc *stat;
 402         struct efx_channel *channel;
 403         struct efx_tx_queue *tx_queue;
 404         int i;
 405
 406         spin_lock_bh(&efx->stats_lock);
 407
 408         /* Get NIC statistics */
 409         data += efx->type->update_stats(efx, data, NULL);
 410
 411         /* Get software statistics */
 412         for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
 413                 stat = &efx_sw_stat_desc[i];
 414                 switch (stat->source) {
 415                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 416                         data[i] = stat->get_stat((void *)efx + stat->offset);
 417                         break;
 418                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 419                         data[i] = 0;
 420                         efx_for_each_channel(channel, efx)
 421                                 data[i] += stat->get_stat((void *)channel +
 422                                                           stat->offset);
 423                         break;
 424                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 425                         data[i] = 0;
 426                         efx_for_each_channel(channel, efx) {
 427                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 428                                         data[i] +=
 429                                                 stat->get_stat((void *)tx_queue
 430                                                                + stat->offset);
 431                         }
 432                         break;
 433                 }
 434         }
 435         data += EFX_ETHTOOL_SW_STAT_COUNT;
 436
 437         spin_unlock_bh(&efx->stats_lock);
 438
 439         efx_ptp_update_stats(efx, data);
 440 }
 441
 442 static void efx_ethtool_self_test(struct net_device *net_dev,
 443                                   struct ethtool_test *test, u64 *data)
 444 {
 445         struct efx_nic *efx = netdev_priv(net_dev);
 446         struct efx_self_tests *efx_tests;
 447         int already_up;
 448         int rc = -ENOMEM;
 449
 450         efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
 451         if (!efx_tests)
 452                 goto fail;
 453
 454         if (efx->state != STATE_READY) {
 455                 rc = -EIO;
 456                 goto fail1;
 457         }
 458
 459         netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
 460                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 461
 462         /* We need rx buffers and interrupts. */
 463         already_up = (efx->net_dev->flags & IFF_UP);
 464         if (!already_up) {
 465                 rc = dev_open(efx->net_dev);
 466                 if (rc) {
 467                         netif_err(efx, drv, efx->net_dev,
 468                                   "failed opening device.\n");
 469                         goto fail1;
 470                 }
 471         }
 472
 473         rc = efx_selftest(efx, efx_tests, test->flags);
 474
 475         if (!already_up)
 476                 dev_close(efx->net_dev);
 477
 478         netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
 479                    rc == 0 ? "passed" : "failed",
 480                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 481
 482 fail1:
 483         /* Fill ethtool results structures */
 484         efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
 485         kfree(efx_tests);
 486 fail:
 487         if (rc)
 488                 test->flags |= ETH_TEST_FL_FAILED;
 489 }
 490
 491 /* Restart autonegotiation */
 492 static int efx_ethtool_nway_reset(struct net_device *net_dev)
 493 {
 494         struct efx_nic *efx = netdev_priv(net_dev);
 495
 496         return mdio45_nway_restart(&efx->mdio);
 497 }
 498
 499 /*
 500  * Each channel has a single IRQ and moderation timer, started by any
 501  * completion (or other event).  Unless the module parameter
 502  * separate_tx_channels is set, IRQs and moderation are therefore
 503  * shared between RX and TX completions.  In this case, when RX IRQ
 504  * moderation is explicitly changed then TX IRQ moderation is
 505  * automatically changed too, but otherwise we fail if the two values
 506  * are requested to be different.
 507  *
 508  * The hardware does not support a limit on the number of completions
 509  * before an IRQ, so we do not use the max_frames fields.  We should
 510  * report and require that max_frames == (usecs != 0), but this would
 511  * invalidate existing user documentation.
 512  *
 513  * The hardware does not have distinct settings for interrupt
 514  * moderation while the previous IRQ is being handled, so we should
 515  * not use the 'irq' fields.  However, an earlier developer
 516  * misunderstood the meaning of the 'irq' fields and the driver did
 517  * not support the standard fields.  To avoid invalidating existing
 518  * user documentation, we report and accept changes through either the
 519  * standard or 'irq' fields.  If both are changed at the same time, we
 520  * prefer the standard field.
 521  *
 522  * We implement adaptive IRQ moderation, but use a different algorithm
 523  * from that assumed in the definition of struct ethtool_coalesce.
 524  * Therefore we do not use any of the adaptive moderation parameters
 525  * in it.
 526  */
 527
 528 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 529                                     struct ethtool_coalesce *coalesce)
 530 {
 531         struct efx_nic *efx = netdev_priv(net_dev);
 532         unsigned int tx_usecs, rx_usecs;
 533         bool rx_adaptive;
 534
 535         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
 536
 537         coalesce->tx_coalesce_usecs = tx_usecs;
 538         coalesce->tx_coalesce_usecs_irq = tx_usecs;
 539         coalesce->rx_coalesce_usecs = rx_usecs;
 540         coalesce->rx_coalesce_usecs_irq = rx_usecs;
 541         coalesce->use_adaptive_rx_coalesce = rx_adaptive;
 542
 543         return 0;
 544 }
 545
 546 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 547                                     struct ethtool_coalesce *coalesce)
 548 {
 549         struct efx_nic *efx = netdev_priv(net_dev);
 550         struct efx_channel *channel;
 551         unsigned int tx_usecs, rx_usecs;
 552         bool adaptive, rx_may_override_tx;
 553         int rc;
 554
 555         if (coalesce->use_adaptive_tx_coalesce)
 556                 return -EINVAL;
 557
 558         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
 559
 560         if (coalesce->rx_coalesce_usecs != rx_usecs)
 561                 rx_usecs = coalesce->rx_coalesce_usecs;
 562         else
 563                 rx_usecs = coalesce->rx_coalesce_usecs_irq;
 564
 565         adaptive = coalesce->use_adaptive_rx_coalesce;
 566
 567         /* If channels are shared, TX IRQ moderation can be quietly
 568          * overridden unless it is changed from its old value.
 569          */
 570         rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
 571                               coalesce->tx_coalesce_usecs_irq == tx_usecs);
 572         if (coalesce->tx_coalesce_usecs != tx_usecs)
 573                 tx_usecs = coalesce->tx_coalesce_usecs;
 574         else
 575                 tx_usecs = coalesce->tx_coalesce_usecs_irq;
 576
 577         rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
 578                                      rx_may_override_tx);
 579         if (rc != 0)
 580                 return rc;
 581
 582         efx_for_each_channel(channel, efx)
 583                 efx->type->push_irq_moderation(channel);
 584
 585         return 0;
 586 }
 587
 588 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
 589                                       struct ethtool_ringparam *ring)
 590 {
 591         struct efx_nic *efx = netdev_priv(net_dev);
 592
 593         ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
 594         ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx);
 595         ring->rx_pending = efx->rxq_entries;
 596         ring->tx_pending = efx->txq_entries;
 597 }
 598
 599 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
 600                                      struct ethtool_ringparam *ring)
 601 {
 602         struct efx_nic *efx = netdev_priv(net_dev);
 603         u32 txq_entries;
 604
 605         if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
 606             ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
 607             ring->tx_pending > EFX_TXQ_MAX_ENT(efx))
 608                 return -EINVAL;
 609
 610         if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
 611                 netif_err(efx, drv, efx->net_dev,
 612                           "RX queues cannot be smaller than %u\n",
 613                           EFX_RXQ_MIN_ENT);
 614                 return -EINVAL;
 615         }
 616
 617         txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
 618         if (txq_entries != ring->tx_pending)
 619                 netif_warn(efx, drv, efx->net_dev,
 620                            "increasing TX queue size to minimum of %u\n",
 621                            txq_entries);
 622
 623         return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
 624 }
 625
 626 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 627                                       struct ethtool_pauseparam *pause)
 628 {
 629         struct efx_nic *efx = netdev_priv(net_dev);
 630         u8 wanted_fc, old_fc;
 631         u32 old_adv;
 632         int rc = 0;
 633
 634         mutex_lock(&efx->mac_lock);
 635
 636         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 637                      (pause->tx_pause ? EFX_FC_TX : 0) |
 638                      (pause->autoneg ? EFX_FC_AUTO : 0));
 639
 640         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 641                 netif_dbg(efx, drv, efx->net_dev,
 642                           "Flow control unsupported: tx ON rx OFF\n");
 643                 rc = -EINVAL;
 644                 goto out;
 645         }
 646
 647         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
 648                 netif_dbg(efx, drv, efx->net_dev,
 649                           "Autonegotiation is disabled\n");
 650                 rc = -EINVAL;
 651                 goto out;
 652         }
 653
 654         /* Hook for Falcon bug 11482 workaround */
 655         if (efx->type->prepare_enable_fc_tx &&
 656             (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
 657                 efx->type->prepare_enable_fc_tx(efx);
 658
 659         old_adv = efx->link_advertising;
 660         old_fc = efx->wanted_fc;
 661         efx_link_set_wanted_fc(efx, wanted_fc);
 662         if (efx->link_advertising != old_adv ||
 663             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 664                 rc = efx->phy_op->reconfigure(efx);
 665                 if (rc) {
 666                         netif_err(efx, drv, efx->net_dev,
 667                                   "Unable to advertise requested flow "
 668                                   "control setting\n");
 669                         goto out;
 670                 }
 671         }
 672
 673         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 674          * if the user just changed the advertised capabilities, but there's no
 675          * harm doing this twice */
 676         efx->type->reconfigure_mac(efx);
 677
 678 out:
 679         mutex_unlock(&efx->mac_lock);
 680
 681         return rc;
 682 }
 683
 684 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 685                                        struct ethtool_pauseparam *pause)
 686 {
 687         struct efx_nic *efx = netdev_priv(net_dev);
 688
 689         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 690         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 691         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 692 }
 693
 694
 695 static void efx_ethtool_get_wol(struct net_device *net_dev,
 696                                 struct ethtool_wolinfo *wol)
 697 {
 698         struct efx_nic *efx = netdev_priv(net_dev);
 699         return efx->type->get_wol(efx, wol);
 700 }
 701
 702
 703 static int efx_ethtool_set_wol(struct net_device *net_dev,
 704                                struct ethtool_wolinfo *wol)
 705 {
 706         struct efx_nic *efx = netdev_priv(net_dev);
 707         return efx->type->set_wol(efx, wol->wolopts);
 708 }
 709
 710 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 711 {
 712         struct efx_nic *efx = netdev_priv(net_dev);
 713         int rc;
 714
 715         rc = efx->type->map_reset_flags(flags);
 716         if (rc < 0)
 717                 return rc;
 718
 719         return efx_reset(efx, rc);
 720 }
 721
 722 /* MAC address mask including only I/G bit */
 723 static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
 724
 725 #define IP4_ADDR_FULL_MASK      ((__force __be32)~0)
 726 #define PORT_FULL_MASK          ((__force __be16)~0)
 727 #define ETHER_TYPE_FULL_MASK    ((__force __be16)~0)
 728
 729 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 730                                       struct ethtool_rx_flow_spec *rule)
 731 {
 732         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 733         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 734         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 735         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 736         struct efx_filter_spec spec;
 737         int rc;
 738
 739         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 740                                         rule->location, &spec);
 741         if (rc)
 742                 return rc;
 743
 744         if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
 745                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 746         else
 747                 rule->ring_cookie = spec.dmaq_id;
 748
 749         if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 750             spec.ether_type == htons(ETH_P_IP) &&
 751             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 752             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 753             !(spec.match_flags &
 754               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 755                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 756                 EFX_FILTER_MATCH_IP_PROTO |
 757                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 758                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 759                                    TCP_V4_FLOW : UDP_V4_FLOW);
 760                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 761                         ip_entry->ip4dst = spec.loc_host[0];
 762                         ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 763                 }
 764                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 765                         ip_entry->ip4src = spec.rem_host[0];
 766                         ip_mask->ip4src = IP4_ADDR_FULL_MASK;
 767                 }
 768                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 769                         ip_entry->pdst = spec.loc_port;
 770                         ip_mask->pdst = PORT_FULL_MASK;
 771                 }
 772                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 773                         ip_entry->psrc = spec.rem_port;
 774                         ip_mask->psrc = PORT_FULL_MASK;
 775                 }
 776         } else if (!(spec.match_flags &
 777                      ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
 778                        EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
 779                        EFX_FILTER_MATCH_OUTER_VID))) {
 780                 rule->flow_type = ETHER_FLOW;
 781                 if (spec.match_flags &
 782                     (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
 783                         memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
 784                         if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
 785                                 memset(mac_mask->h_dest, ~0, ETH_ALEN);
 786                         else
 787                                 memcpy(mac_mask->h_dest, mac_addr_ig_mask,
 788                                        ETH_ALEN);
 789                 }
 790                 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
 791                         memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
 792                         memset(mac_mask->h_source, ~0, ETH_ALEN);
 793                 }
 794                 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
 795                         mac_entry->h_proto = spec.ether_type;
 796                         mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
 797                 }
 798         } else {
 799                 /* The above should handle all filters that we insert */
 800                 WARN_ON(1);
 801                 return -EINVAL;
 802         }
 803
 804         if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
 805                 rule->flow_type |= FLOW_EXT;
 806                 rule->h_ext.vlan_tci = spec.outer_vid;
 807                 rule->m_ext.vlan_tci = htons(0xfff);
 808         }
 809
 810         return rc;
 811 }
 812
 813 static int
 814 efx_ethtool_get_rxnfc(struct net_device *net_dev,
 815                       struct ethtool_rxnfc *info, u32 *rule_locs)
 816 {
 817         struct efx_nic *efx = netdev_priv(net_dev);
 818
 819         switch (info->cmd) {
 820         case ETHTOOL_GRXRINGS:
 821                 info->data = efx->n_rx_channels;
 822                 return 0;
 823
 824         case ETHTOOL_GRXFH: {
 825                 unsigned min_revision = 0;
 826
 827                 info->data = 0;
 828                 switch (info->flow_type) {
 829                 case TCP_V4_FLOW:
 830                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 831                         /* fall through */
 832                 case UDP_V4_FLOW:
 833                 case SCTP_V4_FLOW:
 834                 case AH_ESP_V4_FLOW:
 835                 case IPV4_FLOW:
 836                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 837                         min_revision = EFX_REV_FALCON_B0;
 838                         break;
 839                 case TCP_V6_FLOW:
 840                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 841                         /* fall through */
 842                 case UDP_V6_FLOW:
 843                 case SCTP_V6_FLOW:
 844                 case AH_ESP_V6_FLOW:
 845                 case IPV6_FLOW:
 846                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 847                         min_revision = EFX_REV_SIENA_A0;
 848                         break;
 849                 default:
 850                         break;
 851                 }
 852                 if (efx_nic_rev(efx) < min_revision)
 853                         info->data = 0;
 854                 return 0;
 855         }
 856
 857         case ETHTOOL_GRXCLSRLCNT:
 858                 info->data = efx_filter_get_rx_id_limit(efx);
 859                 if (info->data == 0)
 860                         return -EOPNOTSUPP;
 861                 info->data |= RX_CLS_LOC_SPECIAL;
 862                 info->rule_cnt =
 863                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 864                 return 0;
 865
 866         case ETHTOOL_GRXCLSRULE:
 867                 if (efx_filter_get_rx_id_limit(efx) == 0)
 868                         return -EOPNOTSUPP;
 869                 return efx_ethtool_get_class_rule(efx, &info->fs);
 870
 871         case ETHTOOL_GRXCLSRLALL: {
 872                 s32 rc;
 873                 info->data = efx_filter_get_rx_id_limit(efx);
 874                 if (info->data == 0)
 875                         return -EOPNOTSUPP;
 876                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 877                                            rule_locs, info->rule_cnt);
 878                 if (rc < 0)
 879                         return rc;
 880                 info->rule_cnt = rc;
 881                 return 0;
 882         }
 883
 884         default:
 885                 return -EOPNOTSUPP;
 886         }
 887 }
 888
 889 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 890                                       struct ethtool_rx_flow_spec *rule)
 891 {
 892         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 893         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 894         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 895         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 896         struct efx_filter_spec spec;
 897         int rc;
 898
 899         /* Check that user wants us to choose the location */
 900         if (rule->location != RX_CLS_LOC_ANY)
 901                 return -EINVAL;
 902
 903         /* Range-check ring_cookie */
 904         if (rule->ring_cookie >= efx->n_rx_channels &&
 905             rule->ring_cookie != RX_CLS_FLOW_DISC)
 906                 return -EINVAL;
 907
 908         /* Check for unsupported extensions */
 909         if ((rule->flow_type & FLOW_EXT) &&
 910             (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
 911              rule->m_ext.data[1]))
 912                 return -EINVAL;
 913
 914         efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
 915                            efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
 916                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 917                            EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
 918
 919         switch (rule->flow_type & ~FLOW_EXT) {
 920         case TCP_V4_FLOW:
 921         case UDP_V4_FLOW:
 922                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
 923                                     EFX_FILTER_MATCH_IP_PROTO);
 924                 spec.ether_type = htons(ETH_P_IP);
 925                 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
 926                                  IPPROTO_TCP : IPPROTO_UDP);
 927                 if (ip_mask->ip4dst) {
 928                         if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
 929                                 return -EINVAL;
 930                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
 931                         spec.loc_host[0] = ip_entry->ip4dst;
 932                 }
 933                 if (ip_mask->ip4src) {
 934                         if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
 935                                 return -EINVAL;
 936                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
 937                         spec.rem_host[0] = ip_entry->ip4src;
 938                 }
 939                 if (ip_mask->pdst) {
 940                         if (ip_mask->pdst != PORT_FULL_MASK)
 941                                 return -EINVAL;
 942                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
 943                         spec.loc_port = ip_entry->pdst;
 944                 }
 945                 if (ip_mask->psrc) {
 946                         if (ip_mask->psrc != PORT_FULL_MASK)
 947                                 return -EINVAL;
 948                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
 949                         spec.rem_port = ip_entry->psrc;
 950                 }
 951                 if (ip_mask->tos)
 952                         return -EINVAL;
 953                 break;
 954
 955         case ETHER_FLOW:
 956                 if (!is_zero_ether_addr(mac_mask->h_dest)) {
 957                         if (ether_addr_equal(mac_mask->h_dest,
 958                                              mac_addr_ig_mask))
 959                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
 960                         else if (is_broadcast_ether_addr(mac_mask->h_dest))
 961                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
 962                         else
 963                                 return -EINVAL;
 964                         memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
 965                 }
 966                 if (!is_zero_ether_addr(mac_mask->h_source)) {
 967                         if (!is_broadcast_ether_addr(mac_mask->h_source))
 968                                 return -EINVAL;
 969                         spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
 970                         memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
 971                 }
 972                 if (mac_mask->h_proto) {
 973                         if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
 974                                 return -EINVAL;
 975                         spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
 976                         spec.ether_type = mac_entry->h_proto;
 977                 }
 978                 break;
 979
 980         default:
 981                 return -EINVAL;
 982         }
 983
 984         if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
 985                 if (rule->m_ext.vlan_tci != htons(0xfff))
 986                         return -EINVAL;
 987                 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
 988                 spec.outer_vid = rule->h_ext.vlan_tci;
 989         }
 990
 991         rc = efx_filter_insert_filter(efx, &spec, true);
 992         if (rc < 0)
 993                 return rc;
 994
 995         rule->location = rc;
 996         return 0;
 997 }
 998
 999 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1000                                  struct ethtool_rxnfc *info)
1001 {
1002         struct efx_nic *efx = netdev_priv(net_dev);
1003
1004         if (efx_filter_get_rx_id_limit(efx) == 0)
1005                 return -EOPNOTSUPP;
1006
1007         switch (info->cmd) {
1008         case ETHTOOL_SRXCLSRLINS:
1009                 return efx_ethtool_set_class_rule(efx, &info->fs);
1010
1011         case ETHTOOL_SRXCLSRLDEL:
1012                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1013                                                  info->fs.location);
1014
1015         default:
1016                 return -EOPNOTSUPP;
1017         }
1018 }
1019
1020 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1021 {
1022         struct efx_nic *efx = netdev_priv(net_dev);
1023
1024         return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1025                  efx->n_rx_channels == 1) ?
1026                 0 : ARRAY_SIZE(efx->rx_indir_table));
1027 }
1028
1029 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1030 {
1031         struct efx_nic *efx = netdev_priv(net_dev);
1032
1033         memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1034         return 0;
1035 }
1036
1037 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1038                                       const u32 *indir)
1039 {
1040         struct efx_nic *efx = netdev_priv(net_dev);
1041
1042         memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1043         efx->type->rx_push_rss_config(efx);
1044         return 0;
1045 }
1046
1047 static int efx_ethtool_get_ts_info(struct net_device *net_dev,
1048                                    struct ethtool_ts_info *ts_info)
1049 {
1050         struct efx_nic *efx = netdev_priv(net_dev);
1051
1052         /* Software capabilities */
1053         ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1054                                     SOF_TIMESTAMPING_SOFTWARE);
1055         ts_info->phc_index = -1;
1056
1057         efx_ptp_get_ts_info(efx, ts_info);
1058         return 0;
1059 }
1060
1061 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1062                                          struct ethtool_eeprom *ee,
1063                                          u8 *data)
1064 {
1065         struct efx_nic *efx = netdev_priv(net_dev);
1066         int ret;
1067
1068         if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1069                 return -EOPNOTSUPP;
1070
1071         mutex_lock(&efx->mac_lock);
1072         ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1073         mutex_unlock(&efx->mac_lock);
1074
1075         return ret;
1076 }
1077
1078 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1079                                        struct ethtool_modinfo *modinfo)
1080 {
1081         struct efx_nic *efx = netdev_priv(net_dev);
1082         int ret;
1083
1084         if (!efx->phy_op || !efx->phy_op->get_module_info)
1085                 return -EOPNOTSUPP;
1086
1087         mutex_lock(&efx->mac_lock);
1088         ret = efx->phy_op->get_module_info(efx, modinfo);
1089         mutex_unlock(&efx->mac_lock);
1090
1091         return ret;
1092 }
1093
1094 const struct ethtool_ops efx_ethtool_ops = {
1095         .get_settings           = efx_ethtool_get_settings,
1096         .set_settings           = efx_ethtool_set_settings,
1097         .get_drvinfo            = efx_ethtool_get_drvinfo,
1098         .get_regs_len           = efx_ethtool_get_regs_len,
1099         .get_regs               = efx_ethtool_get_regs,
1100         .get_msglevel           = efx_ethtool_get_msglevel,
1101         .set_msglevel           = efx_ethtool_set_msglevel,
1102         .nway_reset             = efx_ethtool_nway_reset,
1103         .get_link               = ethtool_op_get_link,
1104         .get_coalesce           = efx_ethtool_get_coalesce,
1105         .set_coalesce           = efx_ethtool_set_coalesce,
1106         .get_ringparam          = efx_ethtool_get_ringparam,
1107         .set_ringparam          = efx_ethtool_set_ringparam,
1108         .get_pauseparam         = efx_ethtool_get_pauseparam,
1109         .set_pauseparam         = efx_ethtool_set_pauseparam,
1110         .get_sset_count         = efx_ethtool_get_sset_count,
1111         .self_test              = efx_ethtool_self_test,
1112         .get_strings            = efx_ethtool_get_strings,
1113         .set_phys_id            = efx_ethtool_phys_id,
1114         .get_ethtool_stats      = efx_ethtool_get_stats,
1115         .get_wol                = efx_ethtool_get_wol,
1116         .set_wol                = efx_ethtool_set_wol,
1117         .reset                  = efx_ethtool_reset,
1118         .get_rxnfc              = efx_ethtool_get_rxnfc,
1119         .set_rxnfc              = efx_ethtool_set_rxnfc,
1120         .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
1121         .get_rxfh_indir         = efx_ethtool_get_rxfh_indir,
1122         .set_rxfh_indir         = efx_ethtool_set_rxfh_indir,
1123         .get_ts_info            = efx_ethtool_get_ts_info,
1124         .get_module_info        = efx_ethtool_get_module_info,
1125         .get_module_eeprom      = efx_ethtool_get_module_eeprom,
1126 };