drivers/net/sfc/ethtool.c

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2005-2006 Fen Systems Ltd.
   4  * Copyright 2006-2009 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 "net_driver.h"
  15 #include "workarounds.h"
  16 #include "selftest.h"
  17 #include "efx.h"
  18 #include "filter.h"
  19 #include "nic.h"
  20
  21 struct ethtool_string {
  22         char name[ETH_GSTRING_LEN];
  23 };
  24
  25 struct efx_ethtool_stat {
  26         const char *name;
  27         enum {
  28                 EFX_ETHTOOL_STAT_SOURCE_mac_stats,
  29                 EFX_ETHTOOL_STAT_SOURCE_nic,
  30                 EFX_ETHTOOL_STAT_SOURCE_channel
  31         } source;
  32         unsigned offset;
  33         u64(*get_stat) (void *field); /* Reader function */
  34 };
  35
  36 /* Initialiser for a struct #efx_ethtool_stat with type-checking */
  37 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  38                                 get_stat_function) {                    \
  39         .name = #stat_name,                                             \
  40         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  41         .offset = ((((field_type *) 0) ==                               \
  42                       &((struct efx_##source_name *)0)->field) ?        \
  43                     offsetof(struct efx_##source_name, field) :         \
  44                     offsetof(struct efx_##source_name, field)),         \
  45         .get_stat = get_stat_function,                                  \
  46 }
  47
  48 static u64 efx_get_uint_stat(void *field)
  49 {
  50         return *(unsigned int *)field;
  51 }
  52
  53 static u64 efx_get_ulong_stat(void *field)
  54 {
  55         return *(unsigned long *)field;
  56 }
  57
  58 static u64 efx_get_u64_stat(void *field)
  59 {
  60         return *(u64 *) field;
  61 }
  62
  63 static u64 efx_get_atomic_stat(void *field)
  64 {
  65         return atomic_read((atomic_t *) field);
  66 }
  67
  68 #define EFX_ETHTOOL_ULONG_MAC_STAT(field)                       \
  69         EFX_ETHTOOL_STAT(field, mac_stats, field,               \
  70                           unsigned long, efx_get_ulong_stat)
  71
  72 #define EFX_ETHTOOL_U64_MAC_STAT(field)                         \
  73         EFX_ETHTOOL_STAT(field, mac_stats, field,               \
  74                           u64, efx_get_u64_stat)
  75
  76 #define EFX_ETHTOOL_UINT_NIC_STAT(name)                         \
  77         EFX_ETHTOOL_STAT(name, nic, n_##name,                   \
  78                          unsigned int, efx_get_uint_stat)
  79
  80 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  81         EFX_ETHTOOL_STAT(field, nic, field,                     \
  82                          atomic_t, efx_get_atomic_stat)
  83
  84 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  85         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  86                          unsigned int, efx_get_uint_stat)
  87
  88 static struct efx_ethtool_stat efx_ethtool_stats[] = {
  89         EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
  90         EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
  91         EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes),
  92         EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets),
  93         EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad),
  94         EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause),
  95         EFX_ETHTOOL_ULONG_MAC_STAT(tx_control),
  96         EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast),
  97         EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast),
  98         EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast),
  99         EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64),
 100         EFX_ETHTOOL_ULONG_MAC_STAT(tx_64),
 101         EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127),
 102         EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255),
 103         EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511),
 104         EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023),
 105         EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx),
 106         EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo),
 107         EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo),
 108         EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision),
 109         EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision),
 110         EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision),
 111         EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision),
 112         EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred),
 113         EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision),
 114         EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred),
 115         EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp),
 116         EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error),
 117         EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error),
 118         EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
 119         EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
 120         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
 121         EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets),
 122         EFX_ETHTOOL_ULONG_MAC_STAT(rx_good),
 123         EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad),
 124         EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause),
 125         EFX_ETHTOOL_ULONG_MAC_STAT(rx_control),
 126         EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast),
 127         EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast),
 128         EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast),
 129         EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64),
 130         EFX_ETHTOOL_ULONG_MAC_STAT(rx_64),
 131         EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127),
 132         EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255),
 133         EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511),
 134         EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023),
 135         EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx),
 136         EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo),
 137         EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo),
 138         EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64),
 139         EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx),
 140         EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo),
 141         EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo),
 142         EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow),
 143         EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed),
 144         EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier),
 145         EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error),
 146         EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error),
 147         EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error),
 148         EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error),
 149         EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt),
 150         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
 151         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
 152         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
 153         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
 154         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
 155         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
 156 };
 157
 158 /* Number of ethtool statistics */
 159 #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
 160
 161 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
 162
 163 /**************************************************************************
 164  *
 165  * Ethtool operations
 166  *
 167  **************************************************************************
 168  */
 169
 170 /* Identify device by flashing LEDs */
 171 static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 172 {
 173         struct efx_nic *efx = netdev_priv(net_dev);
 174
 175         do {
 176                 efx->type->set_id_led(efx, EFX_LED_ON);
 177                 schedule_timeout_interruptible(HZ / 2);
 178
 179                 efx->type->set_id_led(efx, EFX_LED_OFF);
 180                 schedule_timeout_interruptible(HZ / 2);
 181         } while (!signal_pending(current) && --count != 0);
 182
 183         efx->type->set_id_led(efx, EFX_LED_DEFAULT);
 184         return 0;
 185 }
 186
 187 /* This must be called with rtnl_lock held. */
 188 static int efx_ethtool_get_settings(struct net_device *net_dev,
 189                                     struct ethtool_cmd *ecmd)
 190 {
 191         struct efx_nic *efx = netdev_priv(net_dev);
 192         struct efx_link_state *link_state = &efx->link_state;
 193
 194         mutex_lock(&efx->mac_lock);
 195         efx->phy_op->get_settings(efx, ecmd);
 196         mutex_unlock(&efx->mac_lock);
 197
 198         /* GMAC does not support 1000Mbps HD */
 199         ecmd->supported &= ~SUPPORTED_1000baseT_Half;
 200         /* Both MACs support pause frames (bidirectional and respond-only) */
 201         ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 202
 203         if (LOOPBACK_INTERNAL(efx)) {
 204                 ecmd->speed = link_state->speed;
 205                 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 206         }
 207
 208         return 0;
 209 }
 210
 211 /* This must be called with rtnl_lock held. */
 212 static int efx_ethtool_set_settings(struct net_device *net_dev,
 213                                     struct ethtool_cmd *ecmd)
 214 {
 215         struct efx_nic *efx = netdev_priv(net_dev);
 216         int rc;
 217
 218         /* GMAC does not support 1000Mbps HD */
 219         if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
 220                 netif_dbg(efx, drv, efx->net_dev,
 221                           "rejecting unsupported 1000Mbps HD setting\n");
 222                 return -EINVAL;
 223         }
 224
 225         mutex_lock(&efx->mac_lock);
 226         rc = efx->phy_op->set_settings(efx, ecmd);
 227         mutex_unlock(&efx->mac_lock);
 228         return rc;
 229 }
 230
 231 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 232                                     struct ethtool_drvinfo *info)
 233 {
 234         struct efx_nic *efx = netdev_priv(net_dev);
 235
 236         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 237         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 238         if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
 239                 siena_print_fwver(efx, info->fw_version,
 240                                   sizeof(info->fw_version));
 241         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 242 }
 243
 244 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
 245 {
 246         return efx_nic_get_regs_len(netdev_priv(net_dev));
 247 }
 248
 249 static void efx_ethtool_get_regs(struct net_device *net_dev,
 250                                  struct ethtool_regs *regs, void *buf)
 251 {
 252         struct efx_nic *efx = netdev_priv(net_dev);
 253
 254         regs->version = efx->type->revision;
 255         efx_nic_get_regs(efx, buf);
 256 }
 257
 258 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 259 {
 260         struct efx_nic *efx = netdev_priv(net_dev);
 261         return efx->msg_enable;
 262 }
 263
 264 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 265 {
 266         struct efx_nic *efx = netdev_priv(net_dev);
 267         efx->msg_enable = msg_enable;
 268 }
 269
 270 /**
 271  * efx_fill_test - fill in an individual self-test entry
 272  * @test_index:         Index of the test
 273  * @strings:            Ethtool strings, or %NULL
 274  * @data:               Ethtool test results, or %NULL
 275  * @test:               Pointer to test result (used only if data != %NULL)
 276  * @unit_format:        Unit name format (e.g. "chan\%d")
 277  * @unit_id:            Unit id (e.g. 0 for "chan0")
 278  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 279  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 280  *
 281  * Fill in an individual self-test entry.
 282  */
 283 static void efx_fill_test(unsigned int test_index,
 284                           struct ethtool_string *strings, u64 *data,
 285                           int *test, const char *unit_format, int unit_id,
 286                           const char *test_format, const char *test_id)
 287 {
 288         struct ethtool_string unit_str, test_str;
 289
 290         /* Fill data value, if applicable */
 291         if (data)
 292                 data[test_index] = *test;
 293
 294         /* Fill string, if applicable */
 295         if (strings) {
 296                 if (strchr(unit_format, '%'))
 297                         snprintf(unit_str.name, sizeof(unit_str.name),
 298                                  unit_format, unit_id);
 299                 else
 300                         strcpy(unit_str.name, unit_format);
 301                 snprintf(test_str.name, sizeof(test_str.name),
 302                          test_format, test_id);
 303                 snprintf(strings[test_index].name,
 304                          sizeof(strings[test_index].name),
 305                          "%-6s %-24s", unit_str.name, test_str.name);
 306         }
 307 }
 308
 309 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 310 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 311 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 312 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 313         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 314
 315 /**
 316  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 317  * @efx:                Efx NIC
 318  * @lb_tests:           Efx loopback self-test results structure
 319  * @mode:               Loopback test mode
 320  * @test_index:         Starting index of the test
 321  * @strings:            Ethtool strings, or %NULL
 322  * @data:               Ethtool test results, or %NULL
 323  */
 324 static int efx_fill_loopback_test(struct efx_nic *efx,
 325                                   struct efx_loopback_self_tests *lb_tests,
 326                                   enum efx_loopback_mode mode,
 327                                   unsigned int test_index,
 328                                   struct ethtool_string *strings, u64 *data)
 329 {
 330         struct efx_channel *channel = efx_get_channel(efx, 0);
 331         struct efx_tx_queue *tx_queue;
 332
 333         efx_for_each_channel_tx_queue(tx_queue, channel) {
 334                 efx_fill_test(test_index++, strings, data,
 335                               &lb_tests->tx_sent[tx_queue->queue],
 336                               EFX_TX_QUEUE_NAME(tx_queue),
 337                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 338                 efx_fill_test(test_index++, strings, data,
 339                               &lb_tests->tx_done[tx_queue->queue],
 340                               EFX_TX_QUEUE_NAME(tx_queue),
 341                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 342         }
 343         efx_fill_test(test_index++, strings, data,
 344                       &lb_tests->rx_good,
 345                       "rx", 0,
 346                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 347         efx_fill_test(test_index++, strings, data,
 348                       &lb_tests->rx_bad,
 349                       "rx", 0,
 350                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 351
 352         return test_index;
 353 }
 354
 355 /**
 356  * efx_ethtool_fill_self_tests - get self-test details
 357  * @efx:                Efx NIC
 358  * @tests:              Efx self-test results structure, or %NULL
 359  * @strings:            Ethtool strings, or %NULL
 360  * @data:               Ethtool test results, or %NULL
 361  */
 362 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 363                                        struct efx_self_tests *tests,
 364                                        struct ethtool_string *strings,
 365                                        u64 *data)
 366 {
 367         struct efx_channel *channel;
 368         unsigned int n = 0, i;
 369         enum efx_loopback_mode mode;
 370
 371         efx_fill_test(n++, strings, data, &tests->phy_alive,
 372                       "phy", 0, "alive", NULL);
 373         efx_fill_test(n++, strings, data, &tests->nvram,
 374                       "core", 0, "nvram", NULL);
 375         efx_fill_test(n++, strings, data, &tests->interrupt,
 376                       "core", 0, "interrupt", NULL);
 377
 378         /* Event queues */
 379         efx_for_each_channel(channel, efx) {
 380                 efx_fill_test(n++, strings, data,
 381                               &tests->eventq_dma[channel->channel],
 382                               EFX_CHANNEL_NAME(channel),
 383                               "eventq.dma", NULL);
 384                 efx_fill_test(n++, strings, data,
 385                               &tests->eventq_int[channel->channel],
 386                               EFX_CHANNEL_NAME(channel),
 387                               "eventq.int", NULL);
 388                 efx_fill_test(n++, strings, data,
 389                               &tests->eventq_poll[channel->channel],
 390                               EFX_CHANNEL_NAME(channel),
 391                               "eventq.poll", NULL);
 392         }
 393
 394         efx_fill_test(n++, strings, data, &tests->registers,
 395                       "core", 0, "registers", NULL);
 396
 397         if (efx->phy_op->run_tests != NULL) {
 398                 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
 399
 400                 for (i = 0; true; ++i) {
 401                         const char *name;
 402
 403                         EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 404                         name = efx->phy_op->test_name(efx, i);
 405                         if (name == NULL)
 406                                 break;
 407
 408                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 409                                       "phy", 0, name, NULL);
 410                 }
 411         }
 412
 413         /* Loopback tests */
 414         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 415                 if (!(efx->loopback_modes & (1 << mode)))
 416                         continue;
 417                 n = efx_fill_loopback_test(efx,
 418                                            &tests->loopback[mode], mode, n,
 419                                            strings, data);
 420         }
 421
 422         return n;
 423 }
 424
 425 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
 426                                       int string_set)
 427 {
 428         switch (string_set) {
 429         case ETH_SS_STATS:
 430                 return EFX_ETHTOOL_NUM_STATS;
 431         case ETH_SS_TEST:
 432                 return efx_ethtool_fill_self_tests(netdev_priv(net_dev),
 433                                                    NULL, NULL, NULL);
 434         default:
 435                 return -EINVAL;
 436         }
 437 }
 438
 439 static void efx_ethtool_get_strings(struct net_device *net_dev,
 440                                     u32 string_set, u8 *strings)
 441 {
 442         struct efx_nic *efx = netdev_priv(net_dev);
 443         struct ethtool_string *ethtool_strings =
 444                 (struct ethtool_string *)strings;
 445         int i;
 446
 447         switch (string_set) {
 448         case ETH_SS_STATS:
 449                 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
 450                         strncpy(ethtool_strings[i].name,
 451                                 efx_ethtool_stats[i].name,
 452                                 sizeof(ethtool_strings[i].name));
 453                 break;
 454         case ETH_SS_TEST:
 455                 efx_ethtool_fill_self_tests(efx, NULL,
 456                                             ethtool_strings, NULL);
 457                 break;
 458         default:
 459                 /* No other string sets */
 460                 break;
 461         }
 462 }
 463
 464 static void efx_ethtool_get_stats(struct net_device *net_dev,
 465                                   struct ethtool_stats *stats,
 466                                   u64 *data)
 467 {
 468         struct efx_nic *efx = netdev_priv(net_dev);
 469         struct efx_mac_stats *mac_stats = &efx->mac_stats;
 470         struct efx_ethtool_stat *stat;
 471         struct efx_channel *channel;
 472         struct rtnl_link_stats64 temp;
 473         int i;
 474
 475         EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
 476
 477         /* Update MAC and NIC statistics */
 478         dev_get_stats(net_dev, &temp);
 479
 480         /* Fill detailed statistics buffer */
 481         for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
 482                 stat = &efx_ethtool_stats[i];
 483                 switch (stat->source) {
 484                 case EFX_ETHTOOL_STAT_SOURCE_mac_stats:
 485                         data[i] = stat->get_stat((void *)mac_stats +
 486                                                  stat->offset);
 487                         break;
 488                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 489                         data[i] = stat->get_stat((void *)efx + stat->offset);
 490                         break;
 491                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 492                         data[i] = 0;
 493                         efx_for_each_channel(channel, efx)
 494                                 data[i] += stat->get_stat((void *)channel +
 495                                                           stat->offset);
 496                         break;
 497                 }
 498         }
 499 }
 500
 501 static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
 502 {
 503         struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
 504         unsigned long features;
 505
 506         features = NETIF_F_TSO;
 507         if (efx->type->offload_features & NETIF_F_V6_CSUM)
 508                 features |= NETIF_F_TSO6;
 509
 510         if (enable)
 511                 net_dev->features |= features;
 512         else
 513                 net_dev->features &= ~features;
 514
 515         return 0;
 516 }
 517
 518 static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
 519 {
 520         struct efx_nic *efx = netdev_priv(net_dev);
 521         unsigned long features = efx->type->offload_features & NETIF_F_ALL_CSUM;
 522
 523         if (enable)
 524                 net_dev->features |= features;
 525         else
 526                 net_dev->features &= ~features;
 527
 528         return 0;
 529 }
 530
 531 static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable)
 532 {
 533         struct efx_nic *efx = netdev_priv(net_dev);
 534
 535         /* No way to stop the hardware doing the checks; we just
 536          * ignore the result.
 537          */
 538         efx->rx_checksum_enabled = !!enable;
 539
 540         return 0;
 541 }
 542
 543 static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
 544 {
 545         struct efx_nic *efx = netdev_priv(net_dev);
 546
 547         return efx->rx_checksum_enabled;
 548 }
 549
 550 static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data)
 551 {
 552         struct efx_nic *efx = netdev_priv(net_dev);
 553         u32 supported = (efx->type->offload_features &
 554                          (ETH_FLAG_RXHASH | ETH_FLAG_NTUPLE));
 555         int rc;
 556
 557         rc = ethtool_op_set_flags(net_dev, data, supported);
 558         if (rc)
 559                 return rc;
 560
 561         if (!(data & ETH_FLAG_NTUPLE)) {
 562                 efx_filter_table_clear(efx, EFX_FILTER_TABLE_RX_IP,
 563                                        EFX_FILTER_PRI_MANUAL);
 564                 efx_filter_table_clear(efx, EFX_FILTER_TABLE_RX_MAC,
 565                                        EFX_FILTER_PRI_MANUAL);
 566         }
 567
 568         return 0;
 569 }
 570
 571 static void efx_ethtool_self_test(struct net_device *net_dev,
 572                                   struct ethtool_test *test, u64 *data)
 573 {
 574         struct efx_nic *efx = netdev_priv(net_dev);
 575         struct efx_self_tests efx_tests;
 576         int already_up;
 577         int rc;
 578
 579         ASSERT_RTNL();
 580         if (efx->state != STATE_RUNNING) {
 581                 rc = -EIO;
 582                 goto fail1;
 583         }
 584
 585         netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
 586                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 587
 588         /* We need rx buffers and interrupts. */
 589         already_up = (efx->net_dev->flags & IFF_UP);
 590         if (!already_up) {
 591                 rc = dev_open(efx->net_dev);
 592                 if (rc) {
 593                         netif_err(efx, drv, efx->net_dev,
 594                                   "failed opening device.\n");
 595                         goto fail2;
 596                 }
 597         }
 598
 599         memset(&efx_tests, 0, sizeof(efx_tests));
 600
 601         rc = efx_selftest(efx, &efx_tests, test->flags);
 602
 603         if (!already_up)
 604                 dev_close(efx->net_dev);
 605
 606         netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
 607                    rc == 0 ? "passed" : "failed",
 608                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 609
 610  fail2:
 611  fail1:
 612         /* Fill ethtool results structures */
 613         efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
 614         if (rc)
 615                 test->flags |= ETH_TEST_FL_FAILED;
 616 }
 617
 618 /* Restart autonegotiation */
 619 static int efx_ethtool_nway_reset(struct net_device *net_dev)
 620 {
 621         struct efx_nic *efx = netdev_priv(net_dev);
 622
 623         return mdio45_nway_restart(&efx->mdio);
 624 }
 625
 626 static u32 efx_ethtool_get_link(struct net_device *net_dev)
 627 {
 628         struct efx_nic *efx = netdev_priv(net_dev);
 629
 630         return efx->link_state.up;
 631 }
 632
 633 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 634                                     struct ethtool_coalesce *coalesce)
 635 {
 636         struct efx_nic *efx = netdev_priv(net_dev);
 637         struct efx_channel *channel;
 638
 639         memset(coalesce, 0, sizeof(*coalesce));
 640
 641         /* Find lowest IRQ moderation across all used TX queues */
 642         coalesce->tx_coalesce_usecs_irq = ~((u32) 0);
 643         efx_for_each_channel(channel, efx) {
 644                 if (!efx_channel_get_tx_queue(channel, 0))
 645                         continue;
 646                 if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) {
 647                         if (channel->channel < efx->n_rx_channels)
 648                                 coalesce->tx_coalesce_usecs_irq =
 649                                         channel->irq_moderation;
 650                         else
 651                                 coalesce->tx_coalesce_usecs_irq = 0;
 652                 }
 653         }
 654
 655         coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive;
 656         coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation;
 657
 658         coalesce->tx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
 659         coalesce->rx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
 660
 661         return 0;
 662 }
 663
 664 /* Set coalescing parameters
 665  * The difficulties occur for shared channels
 666  */
 667 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 668                                     struct ethtool_coalesce *coalesce)
 669 {
 670         struct efx_nic *efx = netdev_priv(net_dev);
 671         struct efx_channel *channel;
 672         unsigned tx_usecs, rx_usecs, adaptive;
 673
 674         if (coalesce->use_adaptive_tx_coalesce)
 675                 return -EOPNOTSUPP;
 676
 677         if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) {
 678                 netif_err(efx, drv, efx->net_dev, "invalid coalescing setting. "
 679                           "Only rx/tx_coalesce_usecs_irq are supported\n");
 680                 return -EOPNOTSUPP;
 681         }
 682
 683         rx_usecs = coalesce->rx_coalesce_usecs_irq;
 684         tx_usecs = coalesce->tx_coalesce_usecs_irq;
 685         adaptive = coalesce->use_adaptive_rx_coalesce;
 686
 687         /* If the channel is shared only allow RX parameters to be set */
 688         efx_for_each_channel(channel, efx) {
 689                 if (efx_channel_get_rx_queue(channel) &&
 690                     efx_channel_get_tx_queue(channel, 0) &&
 691                     tx_usecs) {
 692                         netif_err(efx, drv, efx->net_dev, "Channel is shared. "
 693                                   "Only RX coalescing may be set\n");
 694                         return -EOPNOTSUPP;
 695                 }
 696         }
 697
 698         efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
 699         efx_for_each_channel(channel, efx)
 700                 efx->type->push_irq_moderation(channel);
 701
 702         return 0;
 703 }
 704
 705 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
 706                                       struct ethtool_ringparam *ring)
 707 {
 708         struct efx_nic *efx = netdev_priv(net_dev);
 709
 710         ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
 711         ring->tx_max_pending = EFX_MAX_DMAQ_SIZE;
 712         ring->rx_mini_max_pending = 0;
 713         ring->rx_jumbo_max_pending = 0;
 714         ring->rx_pending = efx->rxq_entries;
 715         ring->tx_pending = efx->txq_entries;
 716         ring->rx_mini_pending = 0;
 717         ring->rx_jumbo_pending = 0;
 718 }
 719
 720 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
 721                                      struct ethtool_ringparam *ring)
 722 {
 723         struct efx_nic *efx = netdev_priv(net_dev);
 724
 725         if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
 726             ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
 727             ring->tx_pending > EFX_MAX_DMAQ_SIZE)
 728                 return -EINVAL;
 729
 730         if (ring->rx_pending < EFX_MIN_RING_SIZE ||
 731             ring->tx_pending < EFX_MIN_RING_SIZE) {
 732                 netif_err(efx, drv, efx->net_dev,
 733                           "TX and RX queues cannot be smaller than %ld\n",
 734                           EFX_MIN_RING_SIZE);
 735                 return -EINVAL;
 736         }
 737
 738         return efx_realloc_channels(efx, ring->rx_pending, ring->tx_pending);
 739 }
 740
 741 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 742                                       struct ethtool_pauseparam *pause)
 743 {
 744         struct efx_nic *efx = netdev_priv(net_dev);
 745         enum efx_fc_type wanted_fc, old_fc;
 746         u32 old_adv;
 747         bool reset;
 748         int rc = 0;
 749
 750         mutex_lock(&efx->mac_lock);
 751
 752         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 753                      (pause->tx_pause ? EFX_FC_TX : 0) |
 754                      (pause->autoneg ? EFX_FC_AUTO : 0));
 755
 756         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 757                 netif_dbg(efx, drv, efx->net_dev,
 758                           "Flow control unsupported: tx ON rx OFF\n");
 759                 rc = -EINVAL;
 760                 goto out;
 761         }
 762
 763         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
 764                 netif_dbg(efx, drv, efx->net_dev,
 765                           "Autonegotiation is disabled\n");
 766                 rc = -EINVAL;
 767                 goto out;
 768         }
 769
 770         /* TX flow control may automatically turn itself off if the
 771          * link partner (intermittently) stops responding to pause
 772          * frames. There isn't any indication that this has happened,
 773          * so the best we do is leave it up to the user to spot this
 774          * and fix it be cycling transmit flow control on this end. */
 775         reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
 776         if (EFX_WORKAROUND_11482(efx) && reset) {
 777                 if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
 778                         /* Recover by resetting the EM block */
 779                         falcon_stop_nic_stats(efx);
 780                         falcon_drain_tx_fifo(efx);
 781                         efx->mac_op->reconfigure(efx);
 782                         falcon_start_nic_stats(efx);
 783                 } else {
 784                         /* Schedule a reset to recover */
 785                         efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
 786                 }
 787         }
 788
 789         old_adv = efx->link_advertising;
 790         old_fc = efx->wanted_fc;
 791         efx_link_set_wanted_fc(efx, wanted_fc);
 792         if (efx->link_advertising != old_adv ||
 793             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 794                 rc = efx->phy_op->reconfigure(efx);
 795                 if (rc) {
 796                         netif_err(efx, drv, efx->net_dev,
 797                                   "Unable to advertise requested flow "
 798                                   "control setting\n");
 799                         goto out;
 800                 }
 801         }
 802
 803         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 804          * if the user just changed the advertised capabilities, but there's no
 805          * harm doing this twice */
 806         efx->mac_op->reconfigure(efx);
 807
 808 out:
 809         mutex_unlock(&efx->mac_lock);
 810
 811         return rc;
 812 }
 813
 814 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 815                                        struct ethtool_pauseparam *pause)
 816 {
 817         struct efx_nic *efx = netdev_priv(net_dev);
 818
 819         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 820         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 821         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 822 }
 823
 824
 825 static void efx_ethtool_get_wol(struct net_device *net_dev,
 826                                 struct ethtool_wolinfo *wol)
 827 {
 828         struct efx_nic *efx = netdev_priv(net_dev);
 829         return efx->type->get_wol(efx, wol);
 830 }
 831
 832
 833 static int efx_ethtool_set_wol(struct net_device *net_dev,
 834                                struct ethtool_wolinfo *wol)
 835 {
 836         struct efx_nic *efx = netdev_priv(net_dev);
 837         return efx->type->set_wol(efx, wol->wolopts);
 838 }
 839
 840 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 841 {
 842         struct efx_nic *efx = netdev_priv(net_dev);
 843         enum reset_type method;
 844         enum {
 845                 ETH_RESET_EFX_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER |
 846                                            ETH_RESET_OFFLOAD | ETH_RESET_MAC)
 847         };
 848
 849         /* Check for minimal reset flags */
 850         if ((*flags & ETH_RESET_EFX_INVISIBLE) != ETH_RESET_EFX_INVISIBLE)
 851                 return -EINVAL;
 852         *flags ^= ETH_RESET_EFX_INVISIBLE;
 853         method = RESET_TYPE_INVISIBLE;
 854
 855         if (*flags & ETH_RESET_PHY) {
 856                 *flags ^= ETH_RESET_PHY;
 857                 method = RESET_TYPE_ALL;
 858         }
 859
 860         if ((*flags & efx->type->reset_world_flags) ==
 861             efx->type->reset_world_flags) {
 862                 *flags ^= efx->type->reset_world_flags;
 863                 method = RESET_TYPE_WORLD;
 864         }
 865
 866         return efx_reset(efx, method);
 867 }
 868
 869 static int
 870 efx_ethtool_get_rxnfc(struct net_device *net_dev,
 871                       struct ethtool_rxnfc *info, void *rules __always_unused)
 872 {
 873         struct efx_nic *efx = netdev_priv(net_dev);
 874
 875         switch (info->cmd) {
 876         case ETHTOOL_GRXRINGS:
 877                 info->data = efx->n_rx_channels;
 878                 return 0;
 879
 880         case ETHTOOL_GRXFH: {
 881                 unsigned min_revision = 0;
 882
 883                 info->data = 0;
 884                 switch (info->flow_type) {
 885                 case TCP_V4_FLOW:
 886                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 887                         /* fall through */
 888                 case UDP_V4_FLOW:
 889                 case SCTP_V4_FLOW:
 890                 case AH_ESP_V4_FLOW:
 891                 case IPV4_FLOW:
 892                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 893                         min_revision = EFX_REV_FALCON_B0;
 894                         break;
 895                 case TCP_V6_FLOW:
 896                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 897                         /* fall through */
 898                 case UDP_V6_FLOW:
 899                 case SCTP_V6_FLOW:
 900                 case AH_ESP_V6_FLOW:
 901                 case IPV6_FLOW:
 902                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 903                         min_revision = EFX_REV_SIENA_A0;
 904                         break;
 905                 default:
 906                         break;
 907                 }
 908                 if (efx_nic_rev(efx) < min_revision)
 909                         info->data = 0;
 910                 return 0;
 911         }
 912
 913         default:
 914                 return -EOPNOTSUPP;
 915         }
 916 }
 917
 918 static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 919                                      struct ethtool_rx_ntuple *ntuple)
 920 {
 921         struct efx_nic *efx = netdev_priv(net_dev);
 922         struct ethtool_tcpip4_spec *ip_entry = &ntuple->fs.h_u.tcp_ip4_spec;
 923         struct ethtool_tcpip4_spec *ip_mask = &ntuple->fs.m_u.tcp_ip4_spec;
 924         struct ethhdr *mac_entry = &ntuple->fs.h_u.ether_spec;
 925         struct ethhdr *mac_mask = &ntuple->fs.m_u.ether_spec;
 926         struct efx_filter_spec filter;
 927
 928         /* Range-check action */
 929         if (ntuple->fs.action < ETHTOOL_RXNTUPLE_ACTION_CLEAR ||
 930             ntuple->fs.action >= (s32)efx->n_rx_channels)
 931                 return -EINVAL;
 932
 933         if (~ntuple->fs.data_mask)
 934                 return -EINVAL;
 935
 936         switch (ntuple->fs.flow_type) {
 937         case TCP_V4_FLOW:
 938         case UDP_V4_FLOW:
 939                 /* Must match all of destination, */
 940                 if (ip_mask->ip4dst | ip_mask->pdst)
 941                         return -EINVAL;
 942                 /* all or none of source, */
 943                 if ((ip_mask->ip4src | ip_mask->psrc) &&
 944                     ((__force u32)~ip_mask->ip4src |
 945                      (__force u16)~ip_mask->psrc))
 946                         return -EINVAL;
 947                 /* and nothing else */
 948                 if ((u8)~ip_mask->tos | (u16)~ntuple->fs.vlan_tag_mask)
 949                         return -EINVAL;
 950                 break;
 951         case ETHER_FLOW:
 952                 /* Must match all of destination, */
 953                 if (!is_zero_ether_addr(mac_mask->h_dest))
 954                         return -EINVAL;
 955                 /* all or none of VID, */
 956                 if (ntuple->fs.vlan_tag_mask != 0xf000 &&
 957                     ntuple->fs.vlan_tag_mask != 0xffff)
 958                         return -EINVAL;
 959                 /* and nothing else */
 960                 if (!is_broadcast_ether_addr(mac_mask->h_source) ||
 961                     mac_mask->h_proto != htons(0xffff))
 962                         return -EINVAL;
 963                 break;
 964         default:
 965                 return -EINVAL;
 966         }
 967
 968         filter.priority = EFX_FILTER_PRI_MANUAL;
 969         filter.flags = 0;
 970
 971         switch (ntuple->fs.flow_type) {
 972         case TCP_V4_FLOW:
 973                 if (!ip_mask->ip4src)
 974                         efx_filter_set_rx_tcp_full(&filter,
 975                                                    htonl(ip_entry->ip4src),
 976                                                    htons(ip_entry->psrc),
 977                                                    htonl(ip_entry->ip4dst),
 978                                                    htons(ip_entry->pdst));
 979                 else
 980                         efx_filter_set_rx_tcp_wild(&filter,
 981                                                    htonl(ip_entry->ip4dst),
 982                                                    htons(ip_entry->pdst));
 983                 break;
 984         case UDP_V4_FLOW:
 985                 if (!ip_mask->ip4src)
 986                         efx_filter_set_rx_udp_full(&filter,
 987                                                    htonl(ip_entry->ip4src),
 988                                                    htons(ip_entry->psrc),
 989                                                    htonl(ip_entry->ip4dst),
 990                                                    htons(ip_entry->pdst));
 991                 else
 992                         efx_filter_set_rx_udp_wild(&filter,
 993                                                    htonl(ip_entry->ip4dst),
 994                                                    htons(ip_entry->pdst));
 995                 break;
 996         case ETHER_FLOW:
 997                 if (ntuple->fs.vlan_tag_mask == 0xf000)
 998                         efx_filter_set_rx_mac_full(&filter,
 999                                                    ntuple->fs.vlan_tag & 0xfff,
1000                                                    mac_entry->h_dest);
1001                 else
1002                         efx_filter_set_rx_mac_wild(&filter, mac_entry->h_dest);
1003                 break;
1004         }
1005
1006         if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_CLEAR) {
1007                 return efx_filter_remove_filter(efx, &filter);
1008         } else {
1009                 if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
1010                         filter.dmaq_id = 0xfff;
1011                 else
1012                         filter.dmaq_id = ntuple->fs.action;
1013                 return efx_filter_insert_filter(efx, &filter, true);
1014         }
1015 }
1016
1017 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev,
1018                                       struct ethtool_rxfh_indir *indir)
1019 {
1020         struct efx_nic *efx = netdev_priv(net_dev);
1021         size_t copy_size =
1022                 min_t(size_t, indir->size, ARRAY_SIZE(efx->rx_indir_table));
1023
1024         if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
1025                 return -EOPNOTSUPP;
1026
1027         indir->size = ARRAY_SIZE(efx->rx_indir_table);
1028         memcpy(indir->ring_index, efx->rx_indir_table,
1029                copy_size * sizeof(indir->ring_index[0]));
1030         return 0;
1031 }
1032
1033 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1034                                       const struct ethtool_rxfh_indir *indir)
1035 {
1036         struct efx_nic *efx = netdev_priv(net_dev);
1037         size_t i;
1038
1039         if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
1040                 return -EOPNOTSUPP;
1041
1042         /* Validate size and indices */
1043         if (indir->size != ARRAY_SIZE(efx->rx_indir_table))
1044                 return -EINVAL;
1045         for (i = 0; i < ARRAY_SIZE(efx->rx_indir_table); i++)
1046                 if (indir->ring_index[i] >= efx->n_rx_channels)
1047                         return -EINVAL;
1048
1049         memcpy(efx->rx_indir_table, indir->ring_index,
1050                sizeof(efx->rx_indir_table));
1051         efx_nic_push_rx_indir_table(efx);
1052         return 0;
1053 }
1054
1055 const struct ethtool_ops efx_ethtool_ops = {
1056         .get_settings           = efx_ethtool_get_settings,
1057         .set_settings           = efx_ethtool_set_settings,
1058         .get_drvinfo            = efx_ethtool_get_drvinfo,
1059         .get_regs_len           = efx_ethtool_get_regs_len,
1060         .get_regs               = efx_ethtool_get_regs,
1061         .get_msglevel           = efx_ethtool_get_msglevel,
1062         .set_msglevel           = efx_ethtool_set_msglevel,
1063         .nway_reset             = efx_ethtool_nway_reset,
1064         .get_link               = efx_ethtool_get_link,
1065         .get_coalesce           = efx_ethtool_get_coalesce,
1066         .set_coalesce           = efx_ethtool_set_coalesce,
1067         .get_ringparam          = efx_ethtool_get_ringparam,
1068         .set_ringparam          = efx_ethtool_set_ringparam,
1069         .get_pauseparam         = efx_ethtool_get_pauseparam,
1070         .set_pauseparam         = efx_ethtool_set_pauseparam,
1071         .get_rx_csum            = efx_ethtool_get_rx_csum,
1072         .set_rx_csum            = efx_ethtool_set_rx_csum,
1073         .get_tx_csum            = ethtool_op_get_tx_csum,
1074         /* Need to enable/disable IPv6 too */
1075         .set_tx_csum            = efx_ethtool_set_tx_csum,
1076         .get_sg                 = ethtool_op_get_sg,
1077         .set_sg                 = ethtool_op_set_sg,
1078         .get_tso                = ethtool_op_get_tso,
1079         /* Need to enable/disable TSO-IPv6 too */
1080         .set_tso                = efx_ethtool_set_tso,
1081         .get_flags              = ethtool_op_get_flags,
1082         .set_flags              = efx_ethtool_set_flags,
1083         .get_sset_count         = efx_ethtool_get_sset_count,
1084         .self_test              = efx_ethtool_self_test,
1085         .get_strings            = efx_ethtool_get_strings,
1086         .phys_id                = efx_ethtool_phys_id,
1087         .get_ethtool_stats      = efx_ethtool_get_stats,
1088         .get_wol                = efx_ethtool_get_wol,
1089         .set_wol                = efx_ethtool_set_wol,
1090         .reset                  = efx_ethtool_reset,
1091         .get_rxnfc              = efx_ethtool_get_rxnfc,
1092         .set_rx_ntuple          = efx_ethtool_set_rx_ntuple,
1093         .get_rxfh_indir         = efx_ethtool_get_rxfh_indir,
1094         .set_rxfh_indir         = efx_ethtool_set_rxfh_indir,
1095 };