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 efx_ethtool_stat {
  23         const char *name;
  24         enum {
  25                 EFX_ETHTOOL_STAT_SOURCE_mac_stats,
  26                 EFX_ETHTOOL_STAT_SOURCE_nic,
  27                 EFX_ETHTOOL_STAT_SOURCE_channel,
  28                 EFX_ETHTOOL_STAT_SOURCE_tx_queue
  29         } source;
  30         unsigned offset;
  31         u64(*get_stat) (void *field); /* Reader function */
  32 };
  33
  34 /* Initialiser for a struct #efx_ethtool_stat with type-checking */
  35 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  36                                 get_stat_function) {                    \
  37         .name = #stat_name,                                             \
  38         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  39         .offset = ((((field_type *) 0) ==                               \
  40                       &((struct efx_##source_name *)0)->field) ?        \
  41                     offsetof(struct efx_##source_name, field) :         \
  42                     offsetof(struct efx_##source_name, field)),         \
  43         .get_stat = get_stat_function,                                  \
  44 }
  45
  46 static u64 efx_get_uint_stat(void *field)
  47 {
  48         return *(unsigned int *)field;
  49 }
  50
  51 static u64 efx_get_u64_stat(void *field)
  52 {
  53         return *(u64 *) field;
  54 }
  55
  56 static u64 efx_get_atomic_stat(void *field)
  57 {
  58         return atomic_read((atomic_t *) field);
  59 }
  60
  61 #define EFX_ETHTOOL_U64_MAC_STAT(field)                         \
  62         EFX_ETHTOOL_STAT(field, mac_stats, field,               \
  63                           u64, efx_get_u64_stat)
  64
  65 #define EFX_ETHTOOL_UINT_NIC_STAT(name)                         \
  66         EFX_ETHTOOL_STAT(name, nic, n_##name,                   \
  67                          unsigned int, efx_get_uint_stat)
  68
  69 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  70         EFX_ETHTOOL_STAT(field, nic, field,                     \
  71                          atomic_t, efx_get_atomic_stat)
  72
  73 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  74         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  75                          unsigned int, efx_get_uint_stat)
  76
  77 #define EFX_ETHTOOL_UINT_TXQ_STAT(field)                        \
  78         EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,           \
  79                          unsigned int, efx_get_uint_stat)
  80
  81 static const struct efx_ethtool_stat efx_ethtool_stats[] = {
  82         EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
  83         EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
  84         EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes),
  85         EFX_ETHTOOL_U64_MAC_STAT(tx_packets),
  86         EFX_ETHTOOL_U64_MAC_STAT(tx_bad),
  87         EFX_ETHTOOL_U64_MAC_STAT(tx_pause),
  88         EFX_ETHTOOL_U64_MAC_STAT(tx_control),
  89         EFX_ETHTOOL_U64_MAC_STAT(tx_unicast),
  90         EFX_ETHTOOL_U64_MAC_STAT(tx_multicast),
  91         EFX_ETHTOOL_U64_MAC_STAT(tx_broadcast),
  92         EFX_ETHTOOL_U64_MAC_STAT(tx_lt64),
  93         EFX_ETHTOOL_U64_MAC_STAT(tx_64),
  94         EFX_ETHTOOL_U64_MAC_STAT(tx_65_to_127),
  95         EFX_ETHTOOL_U64_MAC_STAT(tx_128_to_255),
  96         EFX_ETHTOOL_U64_MAC_STAT(tx_256_to_511),
  97         EFX_ETHTOOL_U64_MAC_STAT(tx_512_to_1023),
  98         EFX_ETHTOOL_U64_MAC_STAT(tx_1024_to_15xx),
  99         EFX_ETHTOOL_U64_MAC_STAT(tx_15xx_to_jumbo),
 100         EFX_ETHTOOL_U64_MAC_STAT(tx_gtjumbo),
 101         EFX_ETHTOOL_U64_MAC_STAT(tx_collision),
 102         EFX_ETHTOOL_U64_MAC_STAT(tx_single_collision),
 103         EFX_ETHTOOL_U64_MAC_STAT(tx_multiple_collision),
 104         EFX_ETHTOOL_U64_MAC_STAT(tx_excessive_collision),
 105         EFX_ETHTOOL_U64_MAC_STAT(tx_deferred),
 106         EFX_ETHTOOL_U64_MAC_STAT(tx_late_collision),
 107         EFX_ETHTOOL_U64_MAC_STAT(tx_excessive_deferred),
 108         EFX_ETHTOOL_U64_MAC_STAT(tx_non_tcpudp),
 109         EFX_ETHTOOL_U64_MAC_STAT(tx_mac_src_error),
 110         EFX_ETHTOOL_U64_MAC_STAT(tx_ip_src_error),
 111         EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
 112         EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
 113         EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
 114         EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
 115         EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
 116         EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
 117         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
 118         EFX_ETHTOOL_U64_MAC_STAT(rx_packets),
 119         EFX_ETHTOOL_U64_MAC_STAT(rx_good),
 120         EFX_ETHTOOL_U64_MAC_STAT(rx_bad),
 121         EFX_ETHTOOL_U64_MAC_STAT(rx_pause),
 122         EFX_ETHTOOL_U64_MAC_STAT(rx_control),
 123         EFX_ETHTOOL_U64_MAC_STAT(rx_unicast),
 124         EFX_ETHTOOL_U64_MAC_STAT(rx_multicast),
 125         EFX_ETHTOOL_U64_MAC_STAT(rx_broadcast),
 126         EFX_ETHTOOL_U64_MAC_STAT(rx_lt64),
 127         EFX_ETHTOOL_U64_MAC_STAT(rx_64),
 128         EFX_ETHTOOL_U64_MAC_STAT(rx_65_to_127),
 129         EFX_ETHTOOL_U64_MAC_STAT(rx_128_to_255),
 130         EFX_ETHTOOL_U64_MAC_STAT(rx_256_to_511),
 131         EFX_ETHTOOL_U64_MAC_STAT(rx_512_to_1023),
 132         EFX_ETHTOOL_U64_MAC_STAT(rx_1024_to_15xx),
 133         EFX_ETHTOOL_U64_MAC_STAT(rx_15xx_to_jumbo),
 134         EFX_ETHTOOL_U64_MAC_STAT(rx_gtjumbo),
 135         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_lt64),
 136         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_64_to_15xx),
 137         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_15xx_to_jumbo),
 138         EFX_ETHTOOL_U64_MAC_STAT(rx_bad_gtjumbo),
 139         EFX_ETHTOOL_U64_MAC_STAT(rx_overflow),
 140         EFX_ETHTOOL_U64_MAC_STAT(rx_missed),
 141         EFX_ETHTOOL_U64_MAC_STAT(rx_false_carrier),
 142         EFX_ETHTOOL_U64_MAC_STAT(rx_symbol_error),
 143         EFX_ETHTOOL_U64_MAC_STAT(rx_align_error),
 144         EFX_ETHTOOL_U64_MAC_STAT(rx_length_error),
 145         EFX_ETHTOOL_U64_MAC_STAT(rx_internal_error),
 146         EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt),
 147         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
 148         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
 149         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
 150         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
 151         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
 152         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
 153         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_nodesc_trunc),
 154 };
 155
 156 /* Number of ethtool statistics */
 157 #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
 158
 159 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
 160
 161 /**************************************************************************
 162  *
 163  * Ethtool operations
 164  *
 165  **************************************************************************
 166  */
 167
 168 /* Identify device by flashing LEDs */
 169 static int efx_ethtool_phys_id(struct net_device *net_dev,
 170                                enum ethtool_phys_id_state state)
 171 {
 172         struct efx_nic *efx = netdev_priv(net_dev);
 173         enum efx_led_mode mode = EFX_LED_DEFAULT;
 174
 175         switch (state) {
 176         case ETHTOOL_ID_ON:
 177                 mode = EFX_LED_ON;
 178                 break;
 179         case ETHTOOL_ID_OFF:
 180                 mode = EFX_LED_OFF;
 181                 break;
 182         case ETHTOOL_ID_INACTIVE:
 183                 mode = EFX_LED_DEFAULT;
 184                 break;
 185         case ETHTOOL_ID_ACTIVE:
 186                 return 1;       /* cycle on/off once per second */
 187         }
 188
 189         efx->type->set_id_led(efx, mode);
 190         return 0;
 191 }
 192
 193 /* This must be called with rtnl_lock held. */
 194 static int efx_ethtool_get_settings(struct net_device *net_dev,
 195                                     struct ethtool_cmd *ecmd)
 196 {
 197         struct efx_nic *efx = netdev_priv(net_dev);
 198         struct efx_link_state *link_state = &efx->link_state;
 199
 200         mutex_lock(&efx->mac_lock);
 201         efx->phy_op->get_settings(efx, ecmd);
 202         mutex_unlock(&efx->mac_lock);
 203
 204         /* Both MACs support pause frames (bidirectional and respond-only) */
 205         ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 206
 207         if (LOOPBACK_INTERNAL(efx)) {
 208                 ethtool_cmd_speed_set(ecmd, link_state->speed);
 209                 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 210         }
 211
 212         return 0;
 213 }
 214
 215 /* This must be called with rtnl_lock held. */
 216 static int efx_ethtool_set_settings(struct net_device *net_dev,
 217                                     struct ethtool_cmd *ecmd)
 218 {
 219         struct efx_nic *efx = netdev_priv(net_dev);
 220         int rc;
 221
 222         /* GMAC does not support 1000Mbps HD */
 223         if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
 224             (ecmd->duplex != DUPLEX_FULL)) {
 225                 netif_dbg(efx, drv, efx->net_dev,
 226                           "rejecting unsupported 1000Mbps HD setting\n");
 227                 return -EINVAL;
 228         }
 229
 230         mutex_lock(&efx->mac_lock);
 231         rc = efx->phy_op->set_settings(efx, ecmd);
 232         mutex_unlock(&efx->mac_lock);
 233         return rc;
 234 }
 235
 236 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 237                                     struct ethtool_drvinfo *info)
 238 {
 239         struct efx_nic *efx = netdev_priv(net_dev);
 240
 241         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 242         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 243         if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
 244                 efx_mcdi_print_fwver(efx, info->fw_version,
 245                                      sizeof(info->fw_version));
 246         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 247 }
 248
 249 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
 250 {
 251         return efx_nic_get_regs_len(netdev_priv(net_dev));
 252 }
 253
 254 static void efx_ethtool_get_regs(struct net_device *net_dev,
 255                                  struct ethtool_regs *regs, void *buf)
 256 {
 257         struct efx_nic *efx = netdev_priv(net_dev);
 258
 259         regs->version = efx->type->revision;
 260         efx_nic_get_regs(efx, buf);
 261 }
 262
 263 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 264 {
 265         struct efx_nic *efx = netdev_priv(net_dev);
 266         return efx->msg_enable;
 267 }
 268
 269 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 270 {
 271         struct efx_nic *efx = netdev_priv(net_dev);
 272         efx->msg_enable = msg_enable;
 273 }
 274
 275 /**
 276  * efx_fill_test - fill in an individual self-test entry
 277  * @test_index:         Index of the test
 278  * @strings:            Ethtool strings, or %NULL
 279  * @data:               Ethtool test results, or %NULL
 280  * @test:               Pointer to test result (used only if data != %NULL)
 281  * @unit_format:        Unit name format (e.g. "chan\%d")
 282  * @unit_id:            Unit id (e.g. 0 for "chan0")
 283  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 284  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 285  *
 286  * Fill in an individual self-test entry.
 287  */
 288 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
 289                           int *test, const char *unit_format, int unit_id,
 290                           const char *test_format, const char *test_id)
 291 {
 292         char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
 293
 294         /* Fill data value, if applicable */
 295         if (data)
 296                 data[test_index] = *test;
 297
 298         /* Fill string, if applicable */
 299         if (strings) {
 300                 if (strchr(unit_format, '%'))
 301                         snprintf(unit_str, sizeof(unit_str),
 302                                  unit_format, unit_id);
 303                 else
 304                         strcpy(unit_str, unit_format);
 305                 snprintf(test_str, sizeof(test_str), test_format, test_id);
 306                 snprintf(strings + test_index * ETH_GSTRING_LEN,
 307                          ETH_GSTRING_LEN,
 308                          "%-6s %-24s", unit_str, test_str);
 309         }
 310 }
 311
 312 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 313 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 314 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 315 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 316         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 317
 318 /**
 319  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 320  * @efx:                Efx NIC
 321  * @lb_tests:           Efx loopback self-test results structure
 322  * @mode:               Loopback test mode
 323  * @test_index:         Starting index of the test
 324  * @strings:            Ethtool strings, or %NULL
 325  * @data:               Ethtool test results, or %NULL
 326  */
 327 static int efx_fill_loopback_test(struct efx_nic *efx,
 328                                   struct efx_loopback_self_tests *lb_tests,
 329                                   enum efx_loopback_mode mode,
 330                                   unsigned int test_index,
 331                                   u8 *strings, u64 *data)
 332 {
 333         struct efx_channel *channel =
 334                 efx_get_channel(efx, efx->tx_channel_offset);
 335         struct efx_tx_queue *tx_queue;
 336
 337         efx_for_each_channel_tx_queue(tx_queue, channel) {
 338                 efx_fill_test(test_index++, strings, data,
 339                               &lb_tests->tx_sent[tx_queue->queue],
 340                               EFX_TX_QUEUE_NAME(tx_queue),
 341                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 342                 efx_fill_test(test_index++, strings, data,
 343                               &lb_tests->tx_done[tx_queue->queue],
 344                               EFX_TX_QUEUE_NAME(tx_queue),
 345                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 346         }
 347         efx_fill_test(test_index++, strings, data,
 348                       &lb_tests->rx_good,
 349                       "rx", 0,
 350                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 351         efx_fill_test(test_index++, strings, data,
 352                       &lb_tests->rx_bad,
 353                       "rx", 0,
 354                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 355
 356         return test_index;
 357 }
 358
 359 /**
 360  * efx_ethtool_fill_self_tests - get self-test details
 361  * @efx:                Efx NIC
 362  * @tests:              Efx self-test results structure, or %NULL
 363  * @strings:            Ethtool strings, or %NULL
 364  * @data:               Ethtool test results, or %NULL
 365  */
 366 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 367                                        struct efx_self_tests *tests,
 368                                        u8 *strings, u64 *data)
 369 {
 370         struct efx_channel *channel;
 371         unsigned int n = 0, i;
 372         enum efx_loopback_mode mode;
 373
 374         efx_fill_test(n++, strings, data, &tests->phy_alive,
 375                       "phy", 0, "alive", NULL);
 376         efx_fill_test(n++, strings, data, &tests->nvram,
 377                       "core", 0, "nvram", NULL);
 378         efx_fill_test(n++, strings, data, &tests->interrupt,
 379                       "core", 0, "interrupt", NULL);
 380
 381         /* Event queues */
 382         efx_for_each_channel(channel, efx) {
 383                 efx_fill_test(n++, strings, data,
 384                               &tests->eventq_dma[channel->channel],
 385                               EFX_CHANNEL_NAME(channel),
 386                               "eventq.dma", NULL);
 387                 efx_fill_test(n++, strings, data,
 388                               &tests->eventq_int[channel->channel],
 389                               EFX_CHANNEL_NAME(channel),
 390                               "eventq.int", NULL);
 391         }
 392
 393         efx_fill_test(n++, strings, data, &tests->registers,
 394                       "core", 0, "registers", NULL);
 395
 396         if (efx->phy_op->run_tests != NULL) {
 397                 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
 398
 399                 for (i = 0; true; ++i) {
 400                         const char *name;
 401
 402                         EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 403                         name = efx->phy_op->test_name(efx, i);
 404                         if (name == NULL)
 405                                 break;
 406
 407                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 408                                       "phy", 0, name, NULL);
 409                 }
 410         }
 411
 412         /* Loopback tests */
 413         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 414                 if (!(efx->loopback_modes & (1 << mode)))
 415                         continue;
 416                 n = efx_fill_loopback_test(efx,
 417                                            &tests->loopback[mode], mode, n,
 418                                            strings, data);
 419         }
 420
 421         return n;
 422 }
 423
 424 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
 425                                       int string_set)
 426 {
 427         switch (string_set) {
 428         case ETH_SS_STATS:
 429                 return EFX_ETHTOOL_NUM_STATS;
 430         case ETH_SS_TEST:
 431                 return efx_ethtool_fill_self_tests(netdev_priv(net_dev),
 432                                                    NULL, NULL, NULL);
 433         default:
 434                 return -EINVAL;
 435         }
 436 }
 437
 438 static void efx_ethtool_get_strings(struct net_device *net_dev,
 439                                     u32 string_set, u8 *strings)
 440 {
 441         struct efx_nic *efx = netdev_priv(net_dev);
 442         int i;
 443
 444         switch (string_set) {
 445         case ETH_SS_STATS:
 446                 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
 447                         strlcpy(strings + i * ETH_GSTRING_LEN,
 448                                 efx_ethtool_stats[i].name, ETH_GSTRING_LEN);
 449                 break;
 450         case ETH_SS_TEST:
 451                 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
 452                 break;
 453         default:
 454                 /* No other string sets */
 455                 break;
 456         }
 457 }
 458
 459 static void efx_ethtool_get_stats(struct net_device *net_dev,
 460                                   struct ethtool_stats *stats,
 461                                   u64 *data)
 462 {
 463         struct efx_nic *efx = netdev_priv(net_dev);
 464         struct efx_mac_stats *mac_stats = &efx->mac_stats;
 465         const struct efx_ethtool_stat *stat;
 466         struct efx_channel *channel;
 467         struct efx_tx_queue *tx_queue;
 468         int i;
 469
 470         EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
 471
 472         spin_lock_bh(&efx->stats_lock);
 473
 474         /* Update MAC and NIC statistics */
 475         efx->type->update_stats(efx);
 476
 477         /* Fill detailed statistics buffer */
 478         for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
 479                 stat = &efx_ethtool_stats[i];
 480                 switch (stat->source) {
 481                 case EFX_ETHTOOL_STAT_SOURCE_mac_stats:
 482                         data[i] = stat->get_stat((void *)mac_stats +
 483                                                  stat->offset);
 484                         break;
 485                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 486                         data[i] = stat->get_stat((void *)efx + stat->offset);
 487                         break;
 488                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 489                         data[i] = 0;
 490                         efx_for_each_channel(channel, efx)
 491                                 data[i] += stat->get_stat((void *)channel +
 492                                                           stat->offset);
 493                         break;
 494                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 495                         data[i] = 0;
 496                         efx_for_each_channel(channel, efx) {
 497                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 498                                         data[i] +=
 499                                                 stat->get_stat((void *)tx_queue
 500                                                                + stat->offset);
 501                         }
 502                         break;
 503                 }
 504         }
 505
 506         spin_unlock_bh(&efx->stats_lock);
 507 }
 508
 509 static void efx_ethtool_self_test(struct net_device *net_dev,
 510                                   struct ethtool_test *test, u64 *data)
 511 {
 512         struct efx_nic *efx = netdev_priv(net_dev);
 513         struct efx_self_tests *efx_tests;
 514         int already_up;
 515         int rc = -ENOMEM;
 516
 517         efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
 518         if (!efx_tests)
 519                 goto fail;
 520
 521         if (efx->state != STATE_READY) {
 522                 rc = -EIO;
 523                 goto fail1;
 524         }
 525
 526         netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
 527                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 528
 529         /* We need rx buffers and interrupts. */
 530         already_up = (efx->net_dev->flags & IFF_UP);
 531         if (!already_up) {
 532                 rc = dev_open(efx->net_dev);
 533                 if (rc) {
 534                         netif_err(efx, drv, efx->net_dev,
 535                                   "failed opening device.\n");
 536                         goto fail1;
 537                 }
 538         }
 539
 540         rc = efx_selftest(efx, efx_tests, test->flags);
 541
 542         if (!already_up)
 543                 dev_close(efx->net_dev);
 544
 545         netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
 546                    rc == 0 ? "passed" : "failed",
 547                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 548
 549 fail1:
 550         /* Fill ethtool results structures */
 551         efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
 552         kfree(efx_tests);
 553 fail:
 554         if (rc)
 555                 test->flags |= ETH_TEST_FL_FAILED;
 556 }
 557
 558 /* Restart autonegotiation */
 559 static int efx_ethtool_nway_reset(struct net_device *net_dev)
 560 {
 561         struct efx_nic *efx = netdev_priv(net_dev);
 562
 563         return mdio45_nway_restart(&efx->mdio);
 564 }
 565
 566 /*
 567  * Each channel has a single IRQ and moderation timer, started by any
 568  * completion (or other event).  Unless the module parameter
 569  * separate_tx_channels is set, IRQs and moderation are therefore
 570  * shared between RX and TX completions.  In this case, when RX IRQ
 571  * moderation is explicitly changed then TX IRQ moderation is
 572  * automatically changed too, but otherwise we fail if the two values
 573  * are requested to be different.
 574  *
 575  * The hardware does not support a limit on the number of completions
 576  * before an IRQ, so we do not use the max_frames fields.  We should
 577  * report and require that max_frames == (usecs != 0), but this would
 578  * invalidate existing user documentation.
 579  *
 580  * The hardware does not have distinct settings for interrupt
 581  * moderation while the previous IRQ is being handled, so we should
 582  * not use the 'irq' fields.  However, an earlier developer
 583  * misunderstood the meaning of the 'irq' fields and the driver did
 584  * not support the standard fields.  To avoid invalidating existing
 585  * user documentation, we report and accept changes through either the
 586  * standard or 'irq' fields.  If both are changed at the same time, we
 587  * prefer the standard field.
 588  *
 589  * We implement adaptive IRQ moderation, but use a different algorithm
 590  * from that assumed in the definition of struct ethtool_coalesce.
 591  * Therefore we do not use any of the adaptive moderation parameters
 592  * in it.
 593  */
 594
 595 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 596                                     struct ethtool_coalesce *coalesce)
 597 {
 598         struct efx_nic *efx = netdev_priv(net_dev);
 599         unsigned int tx_usecs, rx_usecs;
 600         bool rx_adaptive;
 601
 602         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
 603
 604         coalesce->tx_coalesce_usecs = tx_usecs;
 605         coalesce->tx_coalesce_usecs_irq = tx_usecs;
 606         coalesce->rx_coalesce_usecs = rx_usecs;
 607         coalesce->rx_coalesce_usecs_irq = rx_usecs;
 608         coalesce->use_adaptive_rx_coalesce = rx_adaptive;
 609
 610         return 0;
 611 }
 612
 613 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 614                                     struct ethtool_coalesce *coalesce)
 615 {
 616         struct efx_nic *efx = netdev_priv(net_dev);
 617         struct efx_channel *channel;
 618         unsigned int tx_usecs, rx_usecs;
 619         bool adaptive, rx_may_override_tx;
 620         int rc;
 621
 622         if (coalesce->use_adaptive_tx_coalesce)
 623                 return -EINVAL;
 624
 625         efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
 626
 627         if (coalesce->rx_coalesce_usecs != rx_usecs)
 628                 rx_usecs = coalesce->rx_coalesce_usecs;
 629         else
 630                 rx_usecs = coalesce->rx_coalesce_usecs_irq;
 631
 632         adaptive = coalesce->use_adaptive_rx_coalesce;
 633
 634         /* If channels are shared, TX IRQ moderation can be quietly
 635          * overridden unless it is changed from its old value.
 636          */
 637         rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
 638                               coalesce->tx_coalesce_usecs_irq == tx_usecs);
 639         if (coalesce->tx_coalesce_usecs != tx_usecs)
 640                 tx_usecs = coalesce->tx_coalesce_usecs;
 641         else
 642                 tx_usecs = coalesce->tx_coalesce_usecs_irq;
 643
 644         rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
 645                                      rx_may_override_tx);
 646         if (rc != 0)
 647                 return rc;
 648
 649         efx_for_each_channel(channel, efx)
 650                 efx->type->push_irq_moderation(channel);
 651
 652         return 0;
 653 }
 654
 655 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
 656                                       struct ethtool_ringparam *ring)
 657 {
 658         struct efx_nic *efx = netdev_priv(net_dev);
 659
 660         ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
 661         ring->tx_max_pending = EFX_MAX_DMAQ_SIZE;
 662         ring->rx_pending = efx->rxq_entries;
 663         ring->tx_pending = efx->txq_entries;
 664 }
 665
 666 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
 667                                      struct ethtool_ringparam *ring)
 668 {
 669         struct efx_nic *efx = netdev_priv(net_dev);
 670         u32 txq_entries;
 671
 672         if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
 673             ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
 674             ring->tx_pending > EFX_MAX_DMAQ_SIZE)
 675                 return -EINVAL;
 676
 677         if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
 678                 netif_err(efx, drv, efx->net_dev,
 679                           "RX queues cannot be smaller than %u\n",
 680                           EFX_RXQ_MIN_ENT);
 681                 return -EINVAL;
 682         }
 683
 684         txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
 685         if (txq_entries != ring->tx_pending)
 686                 netif_warn(efx, drv, efx->net_dev,
 687                            "increasing TX queue size to minimum of %u\n",
 688                            txq_entries);
 689
 690         return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
 691 }
 692
 693 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 694                                       struct ethtool_pauseparam *pause)
 695 {
 696         struct efx_nic *efx = netdev_priv(net_dev);
 697         u8 wanted_fc, old_fc;
 698         u32 old_adv;
 699         int rc = 0;
 700
 701         mutex_lock(&efx->mac_lock);
 702
 703         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 704                      (pause->tx_pause ? EFX_FC_TX : 0) |
 705                      (pause->autoneg ? EFX_FC_AUTO : 0));
 706
 707         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 708                 netif_dbg(efx, drv, efx->net_dev,
 709                           "Flow control unsupported: tx ON rx OFF\n");
 710                 rc = -EINVAL;
 711                 goto out;
 712         }
 713
 714         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
 715                 netif_dbg(efx, drv, efx->net_dev,
 716                           "Autonegotiation is disabled\n");
 717                 rc = -EINVAL;
 718                 goto out;
 719         }
 720
 721         /* Hook for Falcon bug 11482 workaround */
 722         if (efx->type->prepare_enable_fc_tx &&
 723             (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
 724                 efx->type->prepare_enable_fc_tx(efx);
 725
 726         old_adv = efx->link_advertising;
 727         old_fc = efx->wanted_fc;
 728         efx_link_set_wanted_fc(efx, wanted_fc);
 729         if (efx->link_advertising != old_adv ||
 730             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 731                 rc = efx->phy_op->reconfigure(efx);
 732                 if (rc) {
 733                         netif_err(efx, drv, efx->net_dev,
 734                                   "Unable to advertise requested flow "
 735                                   "control setting\n");
 736                         goto out;
 737                 }
 738         }
 739
 740         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 741          * if the user just changed the advertised capabilities, but there's no
 742          * harm doing this twice */
 743         efx->type->reconfigure_mac(efx);
 744
 745 out:
 746         mutex_unlock(&efx->mac_lock);
 747
 748         return rc;
 749 }
 750
 751 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 752                                        struct ethtool_pauseparam *pause)
 753 {
 754         struct efx_nic *efx = netdev_priv(net_dev);
 755
 756         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 757         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 758         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 759 }
 760
 761
 762 static void efx_ethtool_get_wol(struct net_device *net_dev,
 763                                 struct ethtool_wolinfo *wol)
 764 {
 765         struct efx_nic *efx = netdev_priv(net_dev);
 766         return efx->type->get_wol(efx, wol);
 767 }
 768
 769
 770 static int efx_ethtool_set_wol(struct net_device *net_dev,
 771                                struct ethtool_wolinfo *wol)
 772 {
 773         struct efx_nic *efx = netdev_priv(net_dev);
 774         return efx->type->set_wol(efx, wol->wolopts);
 775 }
 776
 777 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 778 {
 779         struct efx_nic *efx = netdev_priv(net_dev);
 780         int rc;
 781
 782         rc = efx->type->map_reset_flags(flags);
 783         if (rc < 0)
 784                 return rc;
 785
 786         return efx_reset(efx, rc);
 787 }
 788
 789 /* MAC address mask including only I/G bit */
 790 static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
 791
 792 #define IP4_ADDR_FULL_MASK      ((__force __be32)~0)
 793 #define PORT_FULL_MASK          ((__force __be16)~0)
 794 #define ETHER_TYPE_FULL_MASK    ((__force __be16)~0)
 795
 796 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 797                                       struct ethtool_rx_flow_spec *rule)
 798 {
 799         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 800         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 801         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 802         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 803         struct efx_filter_spec spec;
 804         int rc;
 805
 806         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 807                                         rule->location, &spec);
 808         if (rc)
 809                 return rc;
 810
 811         if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
 812                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 813         else
 814                 rule->ring_cookie = spec.dmaq_id;
 815
 816         if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 817             spec.ether_type == htons(ETH_P_IP) &&
 818             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 819             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 820             !(spec.match_flags &
 821               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 822                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 823                 EFX_FILTER_MATCH_IP_PROTO |
 824                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 825                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 826                                    TCP_V4_FLOW : UDP_V4_FLOW);
 827                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 828                         ip_entry->ip4dst = spec.loc_host[0];
 829                         ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 830                 }
 831                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 832                         ip_entry->ip4src = spec.rem_host[0];
 833                         ip_mask->ip4src = IP4_ADDR_FULL_MASK;
 834                 }
 835                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 836                         ip_entry->pdst = spec.loc_port;
 837                         ip_mask->pdst = PORT_FULL_MASK;
 838                 }
 839                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 840                         ip_entry->psrc = spec.rem_port;
 841                         ip_mask->psrc = PORT_FULL_MASK;
 842                 }
 843         } else if (!(spec.match_flags &
 844                      ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
 845                        EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
 846                        EFX_FILTER_MATCH_OUTER_VID))) {
 847                 rule->flow_type = ETHER_FLOW;
 848                 if (spec.match_flags &
 849                     (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
 850                         memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
 851                         if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
 852                                 memset(mac_mask->h_dest, ~0, ETH_ALEN);
 853                         else
 854                                 memcpy(mac_mask->h_dest, mac_addr_ig_mask,
 855                                        ETH_ALEN);
 856                 }
 857                 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
 858                         memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
 859                         memset(mac_mask->h_source, ~0, ETH_ALEN);
 860                 }
 861                 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
 862                         mac_entry->h_proto = spec.ether_type;
 863                         mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
 864                 }
 865         } else {
 866                 /* The above should handle all filters that we insert */
 867                 WARN_ON(1);
 868                 return -EINVAL;
 869         }
 870
 871         if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
 872                 rule->flow_type |= FLOW_EXT;
 873                 rule->h_ext.vlan_tci = spec.outer_vid;
 874                 rule->m_ext.vlan_tci = htons(0xfff);
 875         }
 876
 877         return rc;
 878 }
 879
 880 static int
 881 efx_ethtool_get_rxnfc(struct net_device *net_dev,
 882                       struct ethtool_rxnfc *info, u32 *rule_locs)
 883 {
 884         struct efx_nic *efx = netdev_priv(net_dev);
 885
 886         switch (info->cmd) {
 887         case ETHTOOL_GRXRINGS:
 888                 info->data = efx->n_rx_channels;
 889                 return 0;
 890
 891         case ETHTOOL_GRXFH: {
 892                 unsigned min_revision = 0;
 893
 894                 info->data = 0;
 895                 switch (info->flow_type) {
 896                 case TCP_V4_FLOW:
 897                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 898                         /* fall through */
 899                 case UDP_V4_FLOW:
 900                 case SCTP_V4_FLOW:
 901                 case AH_ESP_V4_FLOW:
 902                 case IPV4_FLOW:
 903                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 904                         min_revision = EFX_REV_FALCON_B0;
 905                         break;
 906                 case TCP_V6_FLOW:
 907                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 908                         /* fall through */
 909                 case UDP_V6_FLOW:
 910                 case SCTP_V6_FLOW:
 911                 case AH_ESP_V6_FLOW:
 912                 case IPV6_FLOW:
 913                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 914                         min_revision = EFX_REV_SIENA_A0;
 915                         break;
 916                 default:
 917                         break;
 918                 }
 919                 if (efx_nic_rev(efx) < min_revision)
 920                         info->data = 0;
 921                 return 0;
 922         }
 923
 924         case ETHTOOL_GRXCLSRLCNT:
 925                 info->data = efx_filter_get_rx_id_limit(efx);
 926                 if (info->data == 0)
 927                         return -EOPNOTSUPP;
 928                 info->data |= RX_CLS_LOC_SPECIAL;
 929                 info->rule_cnt =
 930                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 931                 return 0;
 932
 933         case ETHTOOL_GRXCLSRULE:
 934                 if (efx_filter_get_rx_id_limit(efx) == 0)
 935                         return -EOPNOTSUPP;
 936                 return efx_ethtool_get_class_rule(efx, &info->fs);
 937
 938         case ETHTOOL_GRXCLSRLALL: {
 939                 s32 rc;
 940                 info->data = efx_filter_get_rx_id_limit(efx);
 941                 if (info->data == 0)
 942                         return -EOPNOTSUPP;
 943                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 944                                            rule_locs, info->rule_cnt);
 945                 if (rc < 0)
 946                         return rc;
 947                 info->rule_cnt = rc;
 948                 return 0;
 949         }
 950
 951         default:
 952                 return -EOPNOTSUPP;
 953         }
 954 }
 955
 956 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 957                                       struct ethtool_rx_flow_spec *rule)
 958 {
 959         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 960         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 961         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 962         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 963         struct efx_filter_spec spec;
 964         int rc;
 965
 966         /* Check that user wants us to choose the location */
 967         if (rule->location != RX_CLS_LOC_ANY)
 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                            efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
 983                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 984                            EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
 985
 986         switch (rule->flow_type & ~FLOW_EXT) {
 987         case TCP_V4_FLOW:
 988         case UDP_V4_FLOW:
 989                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
 990                                     EFX_FILTER_MATCH_IP_PROTO);
 991                 spec.ether_type = htons(ETH_P_IP);
 992                 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
 993                                  IPPROTO_TCP : IPPROTO_UDP);
 994                 if (ip_mask->ip4dst) {
 995                         if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
 996                                 return -EINVAL;
 997                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
 998                         spec.loc_host[0] = ip_entry->ip4dst;
 999                 }
1000                 if (ip_mask->ip4src) {
1001                         if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
1002                                 return -EINVAL;
1003                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1004                         spec.rem_host[0] = ip_entry->ip4src;
1005                 }
1006                 if (ip_mask->pdst) {
1007                         if (ip_mask->pdst != PORT_FULL_MASK)
1008                                 return -EINVAL;
1009                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1010                         spec.loc_port = ip_entry->pdst;
1011                 }
1012                 if (ip_mask->psrc) {
1013                         if (ip_mask->psrc != PORT_FULL_MASK)
1014                                 return -EINVAL;
1015                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1016                         spec.rem_port = ip_entry->psrc;
1017                 }
1018                 if (ip_mask->tos)
1019                         return -EINVAL;
1020                 break;
1021
1022         case ETHER_FLOW:
1023                 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1024                         if (ether_addr_equal(mac_mask->h_dest,
1025                                              mac_addr_ig_mask))
1026                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1027                         else if (is_broadcast_ether_addr(mac_mask->h_dest))
1028                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1029                         else
1030                                 return -EINVAL;
1031                         memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
1032                 }
1033                 if (!is_zero_ether_addr(mac_mask->h_source)) {
1034                         if (!is_broadcast_ether_addr(mac_mask->h_source))
1035                                 return -EINVAL;
1036                         spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1037                         memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
1038                 }
1039                 if (mac_mask->h_proto) {
1040                         if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1041                                 return -EINVAL;
1042                         spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1043                         spec.ether_type = mac_entry->h_proto;
1044                 }
1045                 break;
1046
1047         default:
1048                 return -EINVAL;
1049         }
1050
1051         if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1052                 if (rule->m_ext.vlan_tci != htons(0xfff))
1053                         return -EINVAL;
1054                 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1055                 spec.outer_vid = rule->h_ext.vlan_tci;
1056         }
1057
1058         rc = efx_filter_insert_filter(efx, &spec, true);
1059         if (rc < 0)
1060                 return rc;
1061
1062         rule->location = rc;
1063         return 0;
1064 }
1065
1066 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1067                                  struct ethtool_rxnfc *info)
1068 {
1069         struct efx_nic *efx = netdev_priv(net_dev);
1070
1071         if (efx_filter_get_rx_id_limit(efx) == 0)
1072                 return -EOPNOTSUPP;
1073
1074         switch (info->cmd) {
1075         case ETHTOOL_SRXCLSRLINS:
1076                 return efx_ethtool_set_class_rule(efx, &info->fs);
1077
1078         case ETHTOOL_SRXCLSRLDEL:
1079                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1080                                                  info->fs.location);
1081
1082         default:
1083                 return -EOPNOTSUPP;
1084         }
1085 }
1086
1087 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1088 {
1089         struct efx_nic *efx = netdev_priv(net_dev);
1090
1091         return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1092                  efx->n_rx_channels == 1) ?
1093                 0 : ARRAY_SIZE(efx->rx_indir_table));
1094 }
1095
1096 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1097 {
1098         struct efx_nic *efx = netdev_priv(net_dev);
1099
1100         memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1101         return 0;
1102 }
1103
1104 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1105                                       const u32 *indir)
1106 {
1107         struct efx_nic *efx = netdev_priv(net_dev);
1108
1109         memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1110         efx_nic_push_rx_indir_table(efx);
1111         return 0;
1112 }
1113
1114 int efx_ethtool_get_ts_info(struct net_device *net_dev,
1115                             struct ethtool_ts_info *ts_info)
1116 {
1117         struct efx_nic *efx = netdev_priv(net_dev);
1118
1119         /* Software capabilities */
1120         ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1121                                     SOF_TIMESTAMPING_SOFTWARE);
1122         ts_info->phc_index = -1;
1123
1124         efx_ptp_get_ts_info(efx, ts_info);
1125         return 0;
1126 }
1127
1128 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1129                                          struct ethtool_eeprom *ee,
1130                                          u8 *data)
1131 {
1132         struct efx_nic *efx = netdev_priv(net_dev);
1133         int ret;
1134
1135         if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1136                 return -EOPNOTSUPP;
1137
1138         mutex_lock(&efx->mac_lock);
1139         ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1140         mutex_unlock(&efx->mac_lock);
1141
1142         return ret;
1143 }
1144
1145 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1146                                        struct ethtool_modinfo *modinfo)
1147 {
1148         struct efx_nic *efx = netdev_priv(net_dev);
1149         int ret;
1150
1151         if (!efx->phy_op || !efx->phy_op->get_module_info)
1152                 return -EOPNOTSUPP;
1153
1154         mutex_lock(&efx->mac_lock);
1155         ret = efx->phy_op->get_module_info(efx, modinfo);
1156         mutex_unlock(&efx->mac_lock);
1157
1158         return ret;
1159 }
1160
1161 const struct ethtool_ops efx_ethtool_ops = {
1162         .get_settings           = efx_ethtool_get_settings,
1163         .set_settings           = efx_ethtool_set_settings,
1164         .get_drvinfo            = efx_ethtool_get_drvinfo,
1165         .get_regs_len           = efx_ethtool_get_regs_len,
1166         .get_regs               = efx_ethtool_get_regs,
1167         .get_msglevel           = efx_ethtool_get_msglevel,
1168         .set_msglevel           = efx_ethtool_set_msglevel,
1169         .nway_reset             = efx_ethtool_nway_reset,
1170         .get_link               = ethtool_op_get_link,
1171         .get_coalesce           = efx_ethtool_get_coalesce,
1172         .set_coalesce           = efx_ethtool_set_coalesce,
1173         .get_ringparam          = efx_ethtool_get_ringparam,
1174         .set_ringparam          = efx_ethtool_set_ringparam,
1175         .get_pauseparam         = efx_ethtool_get_pauseparam,
1176         .set_pauseparam         = efx_ethtool_set_pauseparam,
1177         .get_sset_count         = efx_ethtool_get_sset_count,
1178         .self_test              = efx_ethtool_self_test,
1179         .get_strings            = efx_ethtool_get_strings,
1180         .set_phys_id            = efx_ethtool_phys_id,
1181         .get_ethtool_stats      = efx_ethtool_get_stats,
1182         .get_wol                = efx_ethtool_get_wol,
1183         .set_wol                = efx_ethtool_set_wol,
1184         .reset                  = efx_ethtool_reset,
1185         .get_rxnfc              = efx_ethtool_get_rxnfc,
1186         .set_rxnfc              = efx_ethtool_set_rxnfc,
1187         .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
1188         .get_rxfh_indir         = efx_ethtool_get_rxfh_indir,
1189         .set_rxfh_indir         = efx_ethtool_set_rxfh_indir,
1190         .get_ts_info            = efx_ethtool_get_ts_info,
1191         .get_module_info        = efx_ethtool_get_module_info,
1192         .get_module_eeprom      = efx_ethtool_get_module_eeprom,
1193 };