drivers/net/ethernet/sfc/ethtool.c

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2005-2006 Fen Systems Ltd.
   4  * Copyright 2006-2010 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 ethtool_string {
  23         char name[ETH_GSTRING_LEN];
  24 };
  25
  26 struct efx_ethtool_stat {
  27         const char *name;
  28         enum {
  29                 EFX_ETHTOOL_STAT_SOURCE_mac_stats,
  30                 EFX_ETHTOOL_STAT_SOURCE_nic,
  31                 EFX_ETHTOOL_STAT_SOURCE_channel,
  32                 EFX_ETHTOOL_STAT_SOURCE_tx_queue
  33         } source;
  34         unsigned offset;
  35         u64(*get_stat) (void *field); /* Reader function */
  36 };
  37
  38 /* Initialiser for a struct #efx_ethtool_stat with type-checking */
  39 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  40                                 get_stat_function) {                    \
  41         .name = #stat_name,                                             \
  42         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  43         .offset = ((((field_type *) 0) ==                               \
  44                       &((struct efx_##source_name *)0)->field) ?        \
  45                     offsetof(struct efx_##source_name, field) :         \
  46                     offsetof(struct efx_##source_name, field)),         \
  47         .get_stat = get_stat_function,                                  \
  48 }
  49
  50 static u64 efx_get_uint_stat(void *field)
  51 {
  52         return *(unsigned int *)field;
  53 }
  54
  55 static u64 efx_get_u64_stat(void *field)
  56 {
  57         return *(u64 *) field;
  58 }
  59
  60 static u64 efx_get_atomic_stat(void *field)
  61 {
  62         return atomic_read((atomic_t *) field);
  63 }
  64
  65 #define EFX_ETHTOOL_U64_MAC_STAT(field)                         \
  66         EFX_ETHTOOL_STAT(field, mac_stats, field,               \
  67                           u64, efx_get_u64_stat)
  68
  69 #define EFX_ETHTOOL_UINT_NIC_STAT(name)                         \
  70         EFX_ETHTOOL_STAT(name, nic, n_##name,                   \
  71                          unsigned int, efx_get_uint_stat)
  72
  73 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  74         EFX_ETHTOOL_STAT(field, nic, field,                     \
  75                          atomic_t, efx_get_atomic_stat)
  76
  77 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  78         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  79                          unsigned int, efx_get_uint_stat)
  80
  81 #define EFX_ETHTOOL_UINT_TXQ_STAT(field)                        \
  82         EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,           \
  83                          unsigned int, efx_get_uint_stat)
  84
  85 static const struct efx_ethtool_stat efx_ethtool_stats[] = {
  86         EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
  87         EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
  88         EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes),
  89         EFX_ETHTOOL_U64_MAC_STAT(tx_packets),
  90         EFX_ETHTOOL_U64_MAC_STAT(tx_bad),
  91         EFX_ETHTOOL_U64_MAC_STAT(tx_pause),
  92         EFX_ETHTOOL_U64_MAC_STAT(tx_control),
  93         EFX_ETHTOOL_U64_MAC_STAT(tx_unicast),
  94         EFX_ETHTOOL_U64_MAC_STAT(tx_multicast),
  95         EFX_ETHTOOL_U64_MAC_STAT(tx_broadcast),
  96         EFX_ETHTOOL_U64_MAC_STAT(tx_lt64),
  97         EFX_ETHTOOL_U64_MAC_STAT(tx_64),
  98         EFX_ETHTOOL_U64_MAC_STAT(tx_65_to_127),
  99         EFX_ETHTOOL_U64_MAC_STAT(tx_128_to_255),
 100         EFX_ETHTOOL_U64_MAC_STAT(tx_256_to_511),
 101         EFX_ETHTOOL_U64_MAC_STAT(tx_512_to_1023),
 102         EFX_ETHTOOL_U64_MAC_STAT(tx_1024_to_15xx),
 103         EFX_ETHTOOL_U64_MAC_STAT(tx_15xx_to_jumbo),
 104         EFX_ETHTOOL_U64_MAC_STAT(tx_gtjumbo),
 105         EFX_ETHTOOL_U64_MAC_STAT(tx_collision),
 106         EFX_ETHTOOL_U64_MAC_STAT(tx_single_collision),
 107         EFX_ETHTOOL_U64_MAC_STAT(tx_multiple_collision),
 108         EFX_ETHTOOL_U64_MAC_STAT(tx_excessive_collision),
 109         EFX_ETHTOOL_U64_MAC_STAT(tx_deferred),
 110         EFX_ETHTOOL_U64_MAC_STAT(tx_late_collision),
 111         EFX_ETHTOOL_U64_MAC_STAT(tx_excessive_deferred),
 112         EFX_ETHTOOL_U64_MAC_STAT(tx_non_tcpudp),
 113         EFX_ETHTOOL_U64_MAC_STAT(tx_mac_src_error),
 114         EFX_ETHTOOL_U64_MAC_STAT(tx_ip_src_error),
 115         EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
 116         EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
 117         EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
 118         EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
 119         EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
 120         EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
 121         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
 122         EFX_ETHTOOL_U64_MAC_STAT(rx_packets),
 123         EFX_ETHTOOL_U64_MAC_STAT(rx_good),
 124         EFX_ETHTOOL_U64_MAC_STAT(rx_bad),
 125         EFX_ETHTOOL_U64_MAC_STAT(rx_pause),
 126         EFX_ETHTOOL_U64_MAC_STAT(rx_control),
 127         EFX_ETHTOOL_U64_MAC_STAT(rx_unicast),
 128         EFX_ETHTOOL_U64_MAC_STAT(rx_multicast),
 129         EFX_ETHTOOL_U64_MAC_STAT(rx_broadcast),
 130         EFX_ETHTOOL_U64_MAC_STAT(rx_lt64),
 131         EFX_ETHTOOL_U64_MAC_STAT(rx_64),
 132         EFX_ETHTOOL_U64_MAC_STAT(rx_65_to_127),
 133         EFX_ETHTOOL_U64_MAC_STAT(rx_128_to_255),
 134         EFX_ETHTOOL_U64_MAC_STAT(rx_256_to_511),
 135         EFX_ETHTOOL_U64_MAC_STAT(rx_512_to_1023),
 136         EFX_ETHTOOL_U64_MAC_STAT(rx_1024_to_15xx),
 137         EFX_ETHTOOL_U64_MAC_STAT(rx_15xx_to_jumbo),
 138         EFX_ETHTOOL_U64_MAC_STAT(rx_gtjumbo),
 139         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_lt64),
 140         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_64_to_15xx),
 141         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_15xx_to_jumbo),
 142         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_gtjumbo),
 143         EFX_ETHTOOL_U64_MAC_STAT(rx_overflow),
 144         EFX_ETHTOOL_U64_MAC_STAT(rx_missed),
 145         EFX_ETHTOOL_U64_MAC_STAT(rx_false_carrier),
 146         EFX_ETHTOOL_U64_MAC_STAT(rx_symbol_error),
 147         EFX_ETHTOOL_U64_MAC_STAT(rx_align_error),
 148         EFX_ETHTOOL_U64_MAC_STAT(rx_length_error),
 149         EFX_ETHTOOL_U64_MAC_STAT(rx_internal_error),
 150         EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt),
 151         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
 152         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
 153         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
 154         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
 155         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
 156         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
 157 };
 158
 159 /* Number of ethtool statistics */
 160 #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
 161
 162 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
 163
 164 /**************************************************************************
 165  *
 166  * Ethtool operations
 167  *
 168  **************************************************************************
 169  */
 170
 171 /* Identify device by flashing LEDs */
 172 static int efx_ethtool_phys_id(struct net_device *net_dev,
 173                                enum ethtool_phys_id_state state)
 174 {
 175         struct efx_nic *efx = netdev_priv(net_dev);
 176         enum efx_led_mode mode = EFX_LED_DEFAULT;
 177
 178         switch (state) {
 179         case ETHTOOL_ID_ON:
 180                 mode = EFX_LED_ON;
 181                 break;
 182         case ETHTOOL_ID_OFF:
 183                 mode = EFX_LED_OFF;
 184                 break;
 185         case ETHTOOL_ID_INACTIVE:
 186                 mode = EFX_LED_DEFAULT;
 187                 break;
 188         case ETHTOOL_ID_ACTIVE:
 189                 return 1;       /* cycle on/off once per second */
 190         }
 191
 192         efx->type->set_id_led(efx, mode);
 193         return 0;
 194 }
 195
 196 /* This must be called with rtnl_lock held. */
 197 static int efx_ethtool_get_settings(struct net_device *net_dev,
 198                                     struct ethtool_cmd *ecmd)
 199 {
 200         struct efx_nic *efx = netdev_priv(net_dev);
 201         struct efx_link_state *link_state = &efx->link_state;
 202
 203         mutex_lock(&efx->mac_lock);
 204         efx->phy_op->get_settings(efx, ecmd);
 205         mutex_unlock(&efx->mac_lock);
 206
 207         /* GMAC does not support 1000Mbps HD */
 208         ecmd->supported &= ~SUPPORTED_1000baseT_Half;
 209         /* Both MACs support pause frames (bidirectional and respond-only) */
 210         ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 211
 212         if (LOOPBACK_INTERNAL(efx)) {
 213                 ethtool_cmd_speed_set(ecmd, link_state->speed);
 214                 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 215         }
 216
 217         return 0;
 218 }
 219
 220 /* This must be called with rtnl_lock held. */
 221 static int efx_ethtool_set_settings(struct net_device *net_dev,
 222                                     struct ethtool_cmd *ecmd)
 223 {
 224         struct efx_nic *efx = netdev_priv(net_dev);
 225         int rc;
 226
 227         /* GMAC does not support 1000Mbps HD */
 228         if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
 229             (ecmd->duplex != DUPLEX_FULL)) {
 230                 netif_dbg(efx, drv, efx->net_dev,
 231                           "rejecting unsupported 1000Mbps HD setting\n");
 232                 return -EINVAL;
 233         }
 234
 235         mutex_lock(&efx->mac_lock);
 236         rc = efx->phy_op->set_settings(efx, ecmd);
 237         mutex_unlock(&efx->mac_lock);
 238         return rc;
 239 }
 240
 241 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 242                                     struct ethtool_drvinfo *info)
 243 {
 244         struct efx_nic *efx = netdev_priv(net_dev);
 245
 246         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 247         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 248         if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
 249                 efx_mcdi_print_fwver(efx, info->fw_version,
 250                                      sizeof(info->fw_version));
 251         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 252 }
 253
 254 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
 255 {
 256         return efx_nic_get_regs_len(netdev_priv(net_dev));
 257 }
 258
 259 static void efx_ethtool_get_regs(struct net_device *net_dev,
 260                                  struct ethtool_regs *regs, void *buf)
 261 {
 262         struct efx_nic *efx = netdev_priv(net_dev);
 263
 264         regs->version = efx->type->revision;
 265         efx_nic_get_regs(efx, buf);
 266 }
 267
 268 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 269 {
 270         struct efx_nic *efx = netdev_priv(net_dev);
 271         return efx->msg_enable;
 272 }
 273
 274 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 275 {
 276         struct efx_nic *efx = netdev_priv(net_dev);
 277         efx->msg_enable = msg_enable;
 278 }
 279
 280 /**
 281  * efx_fill_test - fill in an individual self-test entry
 282  * @test_index:         Index of the test
 283  * @strings:            Ethtool strings, or %NULL
 284  * @data:               Ethtool test results, or %NULL
 285  * @test:               Pointer to test result (used only if data != %NULL)
 286  * @unit_format:        Unit name format (e.g. "chan\%d")
 287  * @unit_id:            Unit id (e.g. 0 for "chan0")
 288  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 289  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 290  *
 291  * Fill in an individual self-test entry.
 292  */
 293 static void efx_fill_test(unsigned int test_index,
 294                           struct ethtool_string *strings, u64 *data,
 295                           int *test, const char *unit_format, int unit_id,
 296                           const char *test_format, const char *test_id)
 297 {
 298         struct ethtool_string unit_str, test_str;
 299
 300         /* Fill data value, if applicable */
 301         if (data)
 302                 data[test_index] = *test;
 303
 304         /* Fill string, if applicable */
 305         if (strings) {
 306                 if (strchr(unit_format, '%'))
 307                         snprintf(unit_str.name, sizeof(unit_str.name),
 308                                  unit_format, unit_id);
 309                 else
 310                         strcpy(unit_str.name, unit_format);
 311                 snprintf(test_str.name, sizeof(test_str.name),
 312                          test_format, test_id);
 313                 snprintf(strings[test_index].name,
 314                          sizeof(strings[test_index].name),
 315                          "%-6s %-24s", unit_str.name, test_str.name);
 316         }
 317 }
 318
 319 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 320 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 321 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 322 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 323         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 324
 325 /**
 326  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 327  * @efx:                Efx NIC
 328  * @lb_tests:           Efx loopback self-test results structure
 329  * @mode:               Loopback test mode
 330  * @test_index:         Starting index of the test
 331  * @strings:            Ethtool strings, or %NULL
 332  * @data:               Ethtool test results, or %NULL
 333  */
 334 static int efx_fill_loopback_test(struct efx_nic *efx,
 335                                   struct efx_loopback_self_tests *lb_tests,
 336                                   enum efx_loopback_mode mode,
 337                                   unsigned int test_index,
 338                                   struct ethtool_string *strings, u64 *data)
 339 {
 340         struct efx_channel *channel = efx_get_channel(efx, 0);
 341         struct efx_tx_queue *tx_queue;
 342
 343         efx_for_each_channel_tx_queue(tx_queue, channel) {
 344                 efx_fill_test(test_index++, strings, data,
 345                               &lb_tests->tx_sent[tx_queue->queue],
 346                               EFX_TX_QUEUE_NAME(tx_queue),
 347                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 348                 efx_fill_test(test_index++, strings, data,
 349                               &lb_tests->tx_done[tx_queue->queue],
 350                               EFX_TX_QUEUE_NAME(tx_queue),
 351                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 352         }
 353         efx_fill_test(test_index++, strings, data,
 354                       &lb_tests->rx_good,
 355                       "rx", 0,
 356                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 357         efx_fill_test(test_index++, strings, data,
 358                       &lb_tests->rx_bad,
 359                       "rx", 0,
 360                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 361
 362         return test_index;
 363 }
 364
 365 /**
 366  * efx_ethtool_fill_self_tests - get self-test details
 367  * @efx:                Efx NIC
 368  * @tests:              Efx self-test results structure, or %NULL
 369  * @strings:            Ethtool strings, or %NULL
 370  * @data:               Ethtool test results, or %NULL
 371  */
 372 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 373                                        struct efx_self_tests *tests,
 374                                        struct ethtool_string *strings,
 375                                        u64 *data)
 376 {
 377         struct efx_channel *channel;
 378         unsigned int n = 0, i;
 379         enum efx_loopback_mode mode;
 380
 381         efx_fill_test(n++, strings, data, &tests->phy_alive,
 382                       "phy", 0, "alive", NULL);
 383         efx_fill_test(n++, strings, data, &tests->nvram,
 384                       "core", 0, "nvram", NULL);
 385         efx_fill_test(n++, strings, data, &tests->interrupt,
 386                       "core", 0, "interrupt", NULL);
 387
 388         /* Event queues */
 389         efx_for_each_channel(channel, efx) {
 390                 efx_fill_test(n++, strings, data,
 391                               &tests->eventq_dma[channel->channel],
 392                               EFX_CHANNEL_NAME(channel),
 393                               "eventq.dma", NULL);
 394                 efx_fill_test(n++, strings, data,
 395                               &tests->eventq_int[channel->channel],
 396                               EFX_CHANNEL_NAME(channel),
 397                               "eventq.int", NULL);
 398         }
 399
 400         efx_fill_test(n++, strings, data, &tests->registers,
 401                       "core", 0, "registers", NULL);
 402
 403         if (efx->phy_op->run_tests != NULL) {
 404                 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
 405
 406                 for (i = 0; true; ++i) {
 407                         const char *name;
 408
 409                         EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 410                         name = efx->phy_op->test_name(efx, i);
 411                         if (name == NULL)
 412                                 break;
 413
 414                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 415                                       "phy", 0, name, NULL);
 416                 }
 417         }
 418
 419         /* Loopback tests */
 420         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 421                 if (!(efx->loopback_modes & (1 << mode)))
 422                         continue;
 423                 n = efx_fill_loopback_test(efx,
 424                                            &tests->loopback[mode], mode, n,
 425                                            strings, data);
 426         }
 427
 428         return n;
 429 }
 430
 431 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
 432                                       int string_set)
 433 {
 434         switch (string_set) {
 435         case ETH_SS_STATS:
 436                 return EFX_ETHTOOL_NUM_STATS;
 437         case ETH_SS_TEST:
 438                 return efx_ethtool_fill_self_tests(netdev_priv(net_dev),
 439                                                    NULL, NULL, NULL);
 440         default:
 441                 return -EINVAL;
 442         }
 443 }
 444
 445 static void efx_ethtool_get_strings(struct net_device *net_dev,
 446                                     u32 string_set, u8 *strings)
 447 {
 448         struct efx_nic *efx = netdev_priv(net_dev);
 449         struct ethtool_string *ethtool_strings =
 450                 (struct ethtool_string *)strings;
 451         int i;
 452
 453         switch (string_set) {
 454         case ETH_SS_STATS:
 455                 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
 456                         strlcpy(ethtool_strings[i].name,
 457                                 efx_ethtool_stats[i].name,
 458                                 sizeof(ethtool_strings[i].name));
 459                 break;
 460         case ETH_SS_TEST:
 461                 efx_ethtool_fill_self_tests(efx, NULL,
 462                                             ethtool_strings, NULL);
 463                 break;
 464         default:
 465                 /* No other string sets */
 466                 break;
 467         }
 468 }
 469
 470 static void efx_ethtool_get_stats(struct net_device *net_dev,
 471                                   struct ethtool_stats *stats,
 472                                   u64 *data)
 473 {
 474         struct efx_nic *efx = netdev_priv(net_dev);
 475         struct efx_mac_stats *mac_stats = &efx->mac_stats;
 476         const struct efx_ethtool_stat *stat;
 477         struct efx_channel *channel;
 478         struct efx_tx_queue *tx_queue;
 479         int i;
 480
 481         EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
 482
 483         spin_lock_bh(&efx->stats_lock);
 484
 485         /* Update MAC and NIC statistics */
 486         efx->type->update_stats(efx);
 487
 488         /* Fill detailed statistics buffer */
 489         for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
 490                 stat = &efx_ethtool_stats[i];
 491                 switch (stat->source) {
 492                 case EFX_ETHTOOL_STAT_SOURCE_mac_stats:
 493                         data[i] = stat->get_stat((void *)mac_stats +
 494                                                  stat->offset);
 495                         break;
 496                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 497                         data[i] = stat->get_stat((void *)efx + stat->offset);
 498                         break;
 499                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 500                         data[i] = 0;
 501                         efx_for_each_channel(channel, efx)
 502                                 data[i] += stat->get_stat((void *)channel +
 503                                                           stat->offset);
 504                         break;
 505                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 506                         data[i] = 0;
 507                         efx_for_each_channel(channel, efx) {
 508                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 509                                         data[i] +=
 510                                                 stat->get_stat((void *)tx_queue
 511                                                                + stat->offset);
 512                         }
 513                         break;
 514                 }
 515         }
 516
 517         spin_unlock_bh(&efx->stats_lock);
 518 }
 519
 520 static void efx_ethtool_self_test(struct net_device *net_dev,
 521                                   struct ethtool_test *test, u64 *data)
 522 {
 523         struct efx_nic *efx = netdev_priv(net_dev);
 524         struct efx_self_tests *efx_tests;
 525         int already_up;
 526         int rc = -ENOMEM;
 527
 528         efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
 529         if (!efx_tests)
 530                 goto fail;
 531
 532
 533         ASSERT_RTNL();
 534         if (efx->state != STATE_RUNNING) {
 535                 rc = -EIO;
 536                 goto fail1;
 537         }
 538
 539         netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
 540                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 541
 542         /* We need rx buffers and interrupts. */
 543         already_up = (efx->net_dev->flags & IFF_UP);
 544         if (!already_up) {
 545                 rc = dev_open(efx->net_dev);
 546                 if (rc) {
 547                         netif_err(efx, drv, efx->net_dev,
 548                                   "failed opening device.\n");
 549                         goto fail1;
 550                 }
 551         }
 552
 553         rc = efx_selftest(efx, efx_tests, test->flags);
 554
 555         if (!already_up)
 556                 dev_close(efx->net_dev);
 557
 558         netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
 559                    rc == 0 ? "passed" : "failed",
 560                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 561
 562 fail1:
 563         /* Fill ethtool results structures */
 564         efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
 565         kfree(efx_tests);
 566 fail:
 567         if (rc)
 568                 test->flags |= ETH_TEST_FL_FAILED;
 569 }
 570
 571 /* Restart autonegotiation */
 572 static int efx_ethtool_nway_reset(struct net_device *net_dev)
 573 {
 574         struct efx_nic *efx = netdev_priv(net_dev);
 575
 576         return mdio45_nway_restart(&efx->mdio);
 577 }
 578
 579 /*
 580  * Each channel has a single IRQ and moderation timer, started by any
 581  * completion (or other event).  Unless the module parameter
 582  * separate_tx_channels is set, IRQs and moderation are therefore
 583  * shared between RX and TX completions.  In this case, when RX IRQ
 584  * moderation is explicitly changed then TX IRQ moderation is
 585  * automatically changed too, but otherwise we fail if the two values
 586  * are requested to be different.
 587  *
 588  * The hardware does not support a limit on the number of completions
 589  * before an IRQ, so we do not use the max_frames fields.  We should
 590  * report and require that max_frames == (usecs != 0), but this would
 591  * invalidate existing user documentation.
 592  *
 593  * The hardware does not have distinct settings for interrupt
 594  * moderation while the previous IRQ is being handled, so we should
 595  * not use the 'irq' fields.  However, an earlier developer
 596  * misunderstood the meaning of the 'irq' fields and the driver did
 597  * not support the standard fields.  To avoid invalidating existing
 598  * user documentation, we report and accept changes through either the
 599  * standard or 'irq' fields.  If both are changed at the same time, we
 600  * prefer the standard field.
 601  *
 602  * We implement adaptive IRQ moderation, but use a different algorithm
 603  * from that assumed in the definition of struct ethtool_coalesce.
 604  * Therefore we do not use any of the adaptive moderation parameters
 605  * in it.
 606  */
 607
 608 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 609                                     struct ethtool_coalesce *coalesce)
 610 {
 611         struct efx_nic *efx = netdev_priv(net_dev);
 612         unsigned int tx_usecs, rx_usecs;
 613         bool rx_adaptive;
 614
 615         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
 616
 617         coalesce->tx_coalesce_usecs = tx_usecs;
 618         coalesce->tx_coalesce_usecs_irq = tx_usecs;
 619         coalesce->rx_coalesce_usecs = rx_usecs;
 620         coalesce->rx_coalesce_usecs_irq = rx_usecs;
 621         coalesce->use_adaptive_rx_coalesce = rx_adaptive;
 622
 623         return 0;
 624 }
 625
 626 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 627                                     struct ethtool_coalesce *coalesce)
 628 {
 629         struct efx_nic *efx = netdev_priv(net_dev);
 630         struct efx_channel *channel;
 631         unsigned int tx_usecs, rx_usecs;
 632         bool adaptive, rx_may_override_tx;
 633         int rc;
 634
 635         if (coalesce->use_adaptive_tx_coalesce)
 636                 return -EINVAL;
 637
 638         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
 639
 640         if (coalesce->rx_coalesce_usecs != rx_usecs)
 641                 rx_usecs = coalesce->rx_coalesce_usecs;
 642         else
 643                 rx_usecs = coalesce->rx_coalesce_usecs_irq;
 644
 645         adaptive = coalesce->use_adaptive_rx_coalesce;
 646
 647         /* If channels are shared, TX IRQ moderation can be quietly
 648          * overridden unless it is changed from its old value.
 649          */
 650         rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
 651                               coalesce->tx_coalesce_usecs_irq == tx_usecs);
 652         if (coalesce->tx_coalesce_usecs != tx_usecs)
 653                 tx_usecs = coalesce->tx_coalesce_usecs;
 654         else
 655                 tx_usecs = coalesce->tx_coalesce_usecs_irq;
 656
 657         rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
 658                                      rx_may_override_tx);
 659         if (rc != 0)
 660                 return rc;
 661
 662         efx_for_each_channel(channel, efx)
 663                 efx->type->push_irq_moderation(channel);
 664
 665         return 0;
 666 }
 667
 668 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
 669                                       struct ethtool_ringparam *ring)
 670 {
 671         struct efx_nic *efx = netdev_priv(net_dev);
 672
 673         ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
 674         ring->tx_max_pending = EFX_MAX_DMAQ_SIZE;
 675         ring->rx_pending = efx->rxq_entries;
 676         ring->tx_pending = efx->txq_entries;
 677 }
 678
 679 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
 680                                      struct ethtool_ringparam *ring)
 681 {
 682         struct efx_nic *efx = netdev_priv(net_dev);
 683         u32 txq_entries;
 684
 685         if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
 686             ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
 687             ring->tx_pending > EFX_MAX_DMAQ_SIZE)
 688                 return -EINVAL;
 689
 690         if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
 691                 netif_err(efx, drv, efx->net_dev,
 692                           "RX queues cannot be smaller than %u\n",
 693                           EFX_RXQ_MIN_ENT);
 694                 return -EINVAL;
 695         }
 696
 697         txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
 698         if (txq_entries != ring->tx_pending)
 699                 netif_warn(efx, drv, efx->net_dev,
 700                            "increasing TX queue size to minimum of %u\n",
 701                            txq_entries);
 702
 703         return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
 704 }
 705
 706 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 707                                       struct ethtool_pauseparam *pause)
 708 {
 709         struct efx_nic *efx = netdev_priv(net_dev);
 710         u8 wanted_fc, old_fc;
 711         u32 old_adv;
 712         bool reset;
 713         int rc = 0;
 714
 715         mutex_lock(&efx->mac_lock);
 716
 717         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 718                      (pause->tx_pause ? EFX_FC_TX : 0) |
 719                      (pause->autoneg ? EFX_FC_AUTO : 0));
 720
 721         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 722                 netif_dbg(efx, drv, efx->net_dev,
 723                           "Flow control unsupported: tx ON rx OFF\n");
 724                 rc = -EINVAL;
 725                 goto out;
 726         }
 727
 728         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
 729                 netif_dbg(efx, drv, efx->net_dev,
 730                           "Autonegotiation is disabled\n");
 731                 rc = -EINVAL;
 732                 goto out;
 733         }
 734
 735         /* TX flow control may automatically turn itself off if the
 736          * link partner (intermittently) stops responding to pause
 737          * frames. There isn't any indication that this has happened,
 738          * so the best we do is leave it up to the user to spot this
 739          * and fix it be cycling transmit flow control on this end. */
 740         reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
 741         if (EFX_WORKAROUND_11482(efx) && reset) {
 742                 if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
 743                         /* Recover by resetting the EM block */
 744                         falcon_stop_nic_stats(efx);
 745                         falcon_drain_tx_fifo(efx);
 746                         falcon_reconfigure_xmac(efx);
 747                         falcon_start_nic_stats(efx);
 748                 } else {
 749                         /* Schedule a reset to recover */
 750                         efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
 751                 }
 752         }
 753
 754         old_adv = efx->link_advertising;
 755         old_fc = efx->wanted_fc;
 756         efx_link_set_wanted_fc(efx, wanted_fc);
 757         if (efx->link_advertising != old_adv ||
 758             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 759                 rc = efx->phy_op->reconfigure(efx);
 760                 if (rc) {
 761                         netif_err(efx, drv, efx->net_dev,
 762                                   "Unable to advertise requested flow "
 763                                   "control setting\n");
 764                         goto out;
 765                 }
 766         }
 767
 768         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 769          * if the user just changed the advertised capabilities, but there's no
 770          * harm doing this twice */
 771         efx->type->reconfigure_mac(efx);
 772
 773 out:
 774         mutex_unlock(&efx->mac_lock);
 775
 776         return rc;
 777 }
 778
 779 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 780                                        struct ethtool_pauseparam *pause)
 781 {
 782         struct efx_nic *efx = netdev_priv(net_dev);
 783
 784         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 785         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 786         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 787 }
 788
 789
 790 static void efx_ethtool_get_wol(struct net_device *net_dev,
 791                                 struct ethtool_wolinfo *wol)
 792 {
 793         struct efx_nic *efx = netdev_priv(net_dev);
 794         return efx->type->get_wol(efx, wol);
 795 }
 796
 797
 798 static int efx_ethtool_set_wol(struct net_device *net_dev,
 799                                struct ethtool_wolinfo *wol)
 800 {
 801         struct efx_nic *efx = netdev_priv(net_dev);
 802         return efx->type->set_wol(efx, wol->wolopts);
 803 }
 804
 805 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 806 {
 807         struct efx_nic *efx = netdev_priv(net_dev);
 808         int rc;
 809
 810         rc = efx->type->map_reset_flags(flags);
 811         if (rc < 0)
 812                 return rc;
 813
 814         return efx_reset(efx, rc);
 815 }
 816
 817 /* MAC address mask including only MC flag */
 818 static const u8 mac_addr_mc_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
 819
 820 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 821                                       struct ethtool_rx_flow_spec *rule)
 822 {
 823         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 824         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 825         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 826         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 827         struct efx_filter_spec spec;
 828         u16 vid;
 829         u8 proto;
 830         int rc;
 831
 832         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 833                                         rule->location, &spec);
 834         if (rc)
 835                 return rc;
 836
 837         if (spec.dmaq_id == 0xfff)
 838                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 839         else
 840                 rule->ring_cookie = spec.dmaq_id;
 841
 842         if (spec.type == EFX_FILTER_MC_DEF || spec.type == EFX_FILTER_UC_DEF) {
 843                 rule->flow_type = ETHER_FLOW;
 844                 memcpy(mac_mask->h_dest, mac_addr_mc_mask, ETH_ALEN);
 845                 if (spec.type == EFX_FILTER_MC_DEF)
 846                         memcpy(mac_entry->h_dest, mac_addr_mc_mask, ETH_ALEN);
 847                 return 0;
 848         }
 849
 850         rc = efx_filter_get_eth_local(&spec, &vid, mac_entry->h_dest);
 851         if (rc == 0) {
 852                 rule->flow_type = ETHER_FLOW;
 853                 memset(mac_mask->h_dest, ~0, ETH_ALEN);
 854                 if (vid != EFX_FILTER_VID_UNSPEC) {
 855                         rule->flow_type |= FLOW_EXT;
 856                         rule->h_ext.vlan_tci = htons(vid);
 857                         rule->m_ext.vlan_tci = htons(0xfff);
 858                 }
 859                 return 0;
 860         }
 861
 862         rc = efx_filter_get_ipv4_local(&spec, &proto,
 863                                        &ip_entry->ip4dst, &ip_entry->pdst);
 864         if (rc != 0) {
 865                 rc = efx_filter_get_ipv4_full(
 866                         &spec, &proto, &ip_entry->ip4src, &ip_entry->psrc,
 867                         &ip_entry->ip4dst, &ip_entry->pdst);
 868                 EFX_WARN_ON_PARANOID(rc);
 869                 ip_mask->ip4src = ~0;
 870                 ip_mask->psrc = ~0;
 871         }
 872         rule->flow_type = (proto == IPPROTO_TCP) ? TCP_V4_FLOW : UDP_V4_FLOW;
 873         ip_mask->ip4dst = ~0;
 874         ip_mask->pdst = ~0;
 875         return rc;
 876 }
 877
 878 static int
 879 efx_ethtool_get_rxnfc(struct net_device *net_dev,
 880                       struct ethtool_rxnfc *info, u32 *rule_locs)
 881 {
 882         struct efx_nic *efx = netdev_priv(net_dev);
 883
 884         switch (info->cmd) {
 885         case ETHTOOL_GRXRINGS:
 886                 info->data = efx->n_rx_channels;
 887                 return 0;
 888
 889         case ETHTOOL_GRXFH: {
 890                 unsigned min_revision = 0;
 891
 892                 info->data = 0;
 893                 switch (info->flow_type) {
 894                 case TCP_V4_FLOW:
 895                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 896                         /* fall through */
 897                 case UDP_V4_FLOW:
 898                 case SCTP_V4_FLOW:
 899                 case AH_ESP_V4_FLOW:
 900                 case IPV4_FLOW:
 901                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 902                         min_revision = EFX_REV_FALCON_B0;
 903                         break;
 904                 case TCP_V6_FLOW:
 905                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 906                         /* fall through */
 907                 case UDP_V6_FLOW:
 908                 case SCTP_V6_FLOW:
 909                 case AH_ESP_V6_FLOW:
 910                 case IPV6_FLOW:
 911                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 912                         min_revision = EFX_REV_SIENA_A0;
 913                         break;
 914                 default:
 915                         break;
 916                 }
 917                 if (efx_nic_rev(efx) < min_revision)
 918                         info->data = 0;
 919                 return 0;
 920         }
 921
 922         case ETHTOOL_GRXCLSRLCNT:
 923                 info->data = efx_filter_get_rx_id_limit(efx);
 924                 if (info->data == 0)
 925                         return -EOPNOTSUPP;
 926                 info->data |= RX_CLS_LOC_SPECIAL;
 927                 info->rule_cnt =
 928                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 929                 return 0;
 930
 931         case ETHTOOL_GRXCLSRULE:
 932                 if (efx_filter_get_rx_id_limit(efx) == 0)
 933                         return -EOPNOTSUPP;
 934                 return efx_ethtool_get_class_rule(efx, &info->fs);
 935
 936         case ETHTOOL_GRXCLSRLALL: {
 937                 s32 rc;
 938                 info->data = efx_filter_get_rx_id_limit(efx);
 939                 if (info->data == 0)
 940                         return -EOPNOTSUPP;
 941                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 942                                            rule_locs, info->rule_cnt);
 943                 if (rc < 0)
 944                         return rc;
 945                 info->rule_cnt = rc;
 946                 return 0;
 947         }
 948
 949         default:
 950                 return -EOPNOTSUPP;
 951         }
 952 }
 953
 954 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 955                                       struct ethtool_rx_flow_spec *rule)
 956 {
 957         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 958         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 959         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 960         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 961         struct efx_filter_spec spec;
 962         int rc;
 963
 964         /* Check that user wants us to choose the location */
 965         if (rule->location != RX_CLS_LOC_ANY &&
 966             rule->location != RX_CLS_LOC_FIRST &&
 967             rule->location != RX_CLS_LOC_LAST)
 968                 return -EINVAL;
 969
 970         /* Range-check ring_cookie */
 971         if (rule->ring_cookie >= efx->n_rx_channels &&
 972             rule->ring_cookie != RX_CLS_FLOW_DISC)
 973                 return -EINVAL;
 974
 975         /* Check for unsupported extensions */
 976         if ((rule->flow_type & FLOW_EXT) &&
 977             (rule->m_ext.vlan_etype | rule->m_ext.data[0] |
 978              rule->m_ext.data[1]))
 979                 return -EINVAL;
 980
 981         efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
 982                            (rule->location == RX_CLS_LOC_FIRST) ?
 983                            EFX_FILTER_FLAG_RX_OVERRIDE_IP : 0,
 984                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 985                            0xfff : rule->ring_cookie);
 986
 987         switch (rule->flow_type) {
 988         case TCP_V4_FLOW:
 989         case UDP_V4_FLOW: {
 990                 u8 proto = (rule->flow_type == TCP_V4_FLOW ?
 991                             IPPROTO_TCP : IPPROTO_UDP);
 992
 993                 /* Must match all of destination, */
 994                 if ((__force u32)~ip_mask->ip4dst |
 995                     (__force u16)~ip_mask->pdst)
 996                         return -EINVAL;
 997                 /* all or none of source, */
 998                 if ((ip_mask->ip4src | ip_mask->psrc) &&
 999                     ((__force u32)~ip_mask->ip4src |
1000                      (__force u16)~ip_mask->psrc))
1001                         return -EINVAL;
1002                 /* and nothing else */
1003                 if (ip_mask->tos | rule->m_ext.vlan_tci)
1004                         return -EINVAL;
1005
1006                 if (ip_mask->ip4src)
1007                         rc = efx_filter_set_ipv4_full(&spec, proto,
1008                                                       ip_entry->ip4dst,
1009                                                       ip_entry->pdst,
1010                                                       ip_entry->ip4src,
1011                                                       ip_entry->psrc);
1012                 else
1013                         rc = efx_filter_set_ipv4_local(&spec, proto,
1014                                                        ip_entry->ip4dst,
1015                                                        ip_entry->pdst);
1016                 if (rc)
1017                         return rc;
1018                 break;
1019         }
1020
1021         case ETHER_FLOW | FLOW_EXT:
1022         case ETHER_FLOW: {
1023                 u16 vlan_tag_mask = (rule->flow_type & FLOW_EXT ?
1024                                      ntohs(rule->m_ext.vlan_tci) : 0);
1025
1026                 /* Must not match on source address or Ethertype */
1027                 if (!is_zero_ether_addr(mac_mask->h_source) ||
1028                     mac_mask->h_proto)
1029                         return -EINVAL;
1030
1031                 /* Is it a default UC or MC filter? */
1032                 if (ether_addr_equal(mac_mask->h_dest, mac_addr_mc_mask) &&
1033                     vlan_tag_mask == 0) {
1034                         if (is_multicast_ether_addr(mac_entry->h_dest))
1035                                 rc = efx_filter_set_mc_def(&spec);
1036                         else
1037                                 rc = efx_filter_set_uc_def(&spec);
1038                 }
1039                 /* Otherwise, it must match all of destination and all
1040                  * or none of VID.
1041                  */
1042                 else if (is_broadcast_ether_addr(mac_mask->h_dest) &&
1043                          (vlan_tag_mask == 0xfff || vlan_tag_mask == 0)) {
1044                         rc = efx_filter_set_eth_local(
1045                                 &spec,
1046                                 vlan_tag_mask ?
1047                                 ntohs(rule->h_ext.vlan_tci) : EFX_FILTER_VID_UNSPEC,
1048                                 mac_entry->h_dest);
1049                 } else {
1050                         rc = -EINVAL;
1051                 }
1052                 if (rc)
1053                         return rc;
1054                 break;
1055         }
1056
1057         default:
1058                 return -EINVAL;
1059         }
1060
1061         rc = efx_filter_insert_filter(efx, &spec, true);
1062         if (rc < 0)
1063                 return rc;
1064
1065         rule->location = rc;
1066         return 0;
1067 }
1068
1069 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1070                                  struct ethtool_rxnfc *info)
1071 {
1072         struct efx_nic *efx = netdev_priv(net_dev);
1073
1074         if (efx_filter_get_rx_id_limit(efx) == 0)
1075                 return -EOPNOTSUPP;
1076
1077         switch (info->cmd) {
1078         case ETHTOOL_SRXCLSRLINS:
1079                 return efx_ethtool_set_class_rule(efx, &info->fs);
1080
1081         case ETHTOOL_SRXCLSRLDEL:
1082                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1083                                                  info->fs.location);
1084
1085         default:
1086                 return -EOPNOTSUPP;
1087         }
1088 }
1089
1090 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1091 {
1092         struct efx_nic *efx = netdev_priv(net_dev);
1093
1094         return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1095                  efx->n_rx_channels == 1) ?
1096                 0 : ARRAY_SIZE(efx->rx_indir_table));
1097 }
1098
1099 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1100 {
1101         struct efx_nic *efx = netdev_priv(net_dev);
1102
1103         memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1104         return 0;
1105 }
1106
1107 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1108                                       const u32 *indir)
1109 {
1110         struct efx_nic *efx = netdev_priv(net_dev);
1111
1112         memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1113         efx_nic_push_rx_indir_table(efx);
1114         return 0;
1115 }
1116
1117 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1118                                          struct ethtool_eeprom *ee,
1119                                          u8 *data)
1120 {
1121         struct efx_nic *efx = netdev_priv(net_dev);
1122         int ret;
1123
1124         if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1125                 return -EOPNOTSUPP;
1126
1127         mutex_lock(&efx->mac_lock);
1128         ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1129         mutex_unlock(&efx->mac_lock);
1130
1131         return ret;
1132 }
1133
1134 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1135                                        struct ethtool_modinfo *modinfo)
1136 {
1137         struct efx_nic *efx = netdev_priv(net_dev);
1138         int ret;
1139
1140         if (!efx->phy_op || !efx->phy_op->get_module_info)
1141                 return -EOPNOTSUPP;
1142
1143         mutex_lock(&efx->mac_lock);
1144         ret = efx->phy_op->get_module_info(efx, modinfo);
1145         mutex_unlock(&efx->mac_lock);
1146
1147         return ret;
1148 }
1149
1150 const struct ethtool_ops efx_ethtool_ops = {
1151         .get_settings           = efx_ethtool_get_settings,
1152         .set_settings           = efx_ethtool_set_settings,
1153         .get_drvinfo            = efx_ethtool_get_drvinfo,
1154         .get_regs_len           = efx_ethtool_get_regs_len,
1155         .get_regs               = efx_ethtool_get_regs,
1156         .get_msglevel           = efx_ethtool_get_msglevel,
1157         .set_msglevel           = efx_ethtool_set_msglevel,
1158         .nway_reset             = efx_ethtool_nway_reset,
1159         .get_link               = ethtool_op_get_link,
1160         .get_coalesce           = efx_ethtool_get_coalesce,
1161         .set_coalesce           = efx_ethtool_set_coalesce,
1162         .get_ringparam          = efx_ethtool_get_ringparam,
1163         .set_ringparam          = efx_ethtool_set_ringparam,
1164         .get_pauseparam         = efx_ethtool_get_pauseparam,
1165         .set_pauseparam         = efx_ethtool_set_pauseparam,
1166         .get_sset_count         = efx_ethtool_get_sset_count,
1167         .self_test              = efx_ethtool_self_test,
1168         .get_strings            = efx_ethtool_get_strings,
1169         .set_phys_id            = efx_ethtool_phys_id,
1170         .get_ethtool_stats      = efx_ethtool_get_stats,
1171         .get_wol                = efx_ethtool_get_wol,
1172         .set_wol                = efx_ethtool_set_wol,
1173         .reset                  = efx_ethtool_reset,
1174         .get_rxnfc              = efx_ethtool_get_rxnfc,
1175         .set_rxnfc              = efx_ethtool_set_rxnfc,
1176         .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
1177         .get_rxfh_indir         = efx_ethtool_get_rxfh_indir,
1178         .set_rxfh_indir         = efx_ethtool_set_rxfh_indir,
1179         .get_module_info        = efx_ethtool_get_module_info,
1180         .get_module_eeprom      = efx_ethtool_get_module_eeprom,
1181 };