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         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_nodesc_trunc),
 158 };
 159
 160 /* Number of ethtool statistics */
 161 #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
 162
 163 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
 164
 165 /**************************************************************************
 166  *
 167  * Ethtool operations
 168  *
 169  **************************************************************************
 170  */
 171
 172 /* Identify device by flashing LEDs */
 173 static int efx_ethtool_phys_id(struct net_device *net_dev,
 174                                enum ethtool_phys_id_state state)
 175 {
 176         struct efx_nic *efx = netdev_priv(net_dev);
 177         enum efx_led_mode mode = EFX_LED_DEFAULT;
 178
 179         switch (state) {
 180         case ETHTOOL_ID_ON:
 181                 mode = EFX_LED_ON;
 182                 break;
 183         case ETHTOOL_ID_OFF:
 184                 mode = EFX_LED_OFF;
 185                 break;
 186         case ETHTOOL_ID_INACTIVE:
 187                 mode = EFX_LED_DEFAULT;
 188                 break;
 189         case ETHTOOL_ID_ACTIVE:
 190                 return 1;       /* cycle on/off once per second */
 191         }
 192
 193         efx->type->set_id_led(efx, mode);
 194         return 0;
 195 }
 196
 197 /* This must be called with rtnl_lock held. */
 198 static int efx_ethtool_get_settings(struct net_device *net_dev,
 199                                     struct ethtool_cmd *ecmd)
 200 {
 201         struct efx_nic *efx = netdev_priv(net_dev);
 202         struct efx_link_state *link_state = &efx->link_state;
 203
 204         mutex_lock(&efx->mac_lock);
 205         efx->phy_op->get_settings(efx, ecmd);
 206         mutex_unlock(&efx->mac_lock);
 207
 208         /* GMAC does not support 1000Mbps HD */
 209         ecmd->supported &= ~SUPPORTED_1000baseT_Half;
 210         /* Both MACs support pause frames (bidirectional and respond-only) */
 211         ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 212
 213         if (LOOPBACK_INTERNAL(efx)) {
 214                 ethtool_cmd_speed_set(ecmd, link_state->speed);
 215                 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 216         }
 217
 218         return 0;
 219 }
 220
 221 /* This must be called with rtnl_lock held. */
 222 static int efx_ethtool_set_settings(struct net_device *net_dev,
 223                                     struct ethtool_cmd *ecmd)
 224 {
 225         struct efx_nic *efx = netdev_priv(net_dev);
 226         int rc;
 227
 228         /* GMAC does not support 1000Mbps HD */
 229         if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
 230             (ecmd->duplex != DUPLEX_FULL)) {
 231                 netif_dbg(efx, drv, efx->net_dev,
 232                           "rejecting unsupported 1000Mbps HD setting\n");
 233                 return -EINVAL;
 234         }
 235
 236         mutex_lock(&efx->mac_lock);
 237         rc = efx->phy_op->set_settings(efx, ecmd);
 238         mutex_unlock(&efx->mac_lock);
 239         return rc;
 240 }
 241
 242 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 243                                     struct ethtool_drvinfo *info)
 244 {
 245         struct efx_nic *efx = netdev_priv(net_dev);
 246
 247         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 248         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 249         if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
 250                 efx_mcdi_print_fwver(efx, info->fw_version,
 251                                      sizeof(info->fw_version));
 252         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 253 }
 254
 255 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
 256 {
 257         return efx_nic_get_regs_len(netdev_priv(net_dev));
 258 }
 259
 260 static void efx_ethtool_get_regs(struct net_device *net_dev,
 261                                  struct ethtool_regs *regs, void *buf)
 262 {
 263         struct efx_nic *efx = netdev_priv(net_dev);
 264
 265         regs->version = efx->type->revision;
 266         efx_nic_get_regs(efx, buf);
 267 }
 268
 269 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 270 {
 271         struct efx_nic *efx = netdev_priv(net_dev);
 272         return efx->msg_enable;
 273 }
 274
 275 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 276 {
 277         struct efx_nic *efx = netdev_priv(net_dev);
 278         efx->msg_enable = msg_enable;
 279 }
 280
 281 /**
 282  * efx_fill_test - fill in an individual self-test entry
 283  * @test_index:         Index of the test
 284  * @strings:            Ethtool strings, or %NULL
 285  * @data:               Ethtool test results, or %NULL
 286  * @test:               Pointer to test result (used only if data != %NULL)
 287  * @unit_format:        Unit name format (e.g. "chan\%d")
 288  * @unit_id:            Unit id (e.g. 0 for "chan0")
 289  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 290  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 291  *
 292  * Fill in an individual self-test entry.
 293  */
 294 static void efx_fill_test(unsigned int test_index,
 295                           struct ethtool_string *strings, u64 *data,
 296                           int *test, const char *unit_format, int unit_id,
 297                           const char *test_format, const char *test_id)
 298 {
 299         struct ethtool_string unit_str, test_str;
 300
 301         /* Fill data value, if applicable */
 302         if (data)
 303                 data[test_index] = *test;
 304
 305         /* Fill string, if applicable */
 306         if (strings) {
 307                 if (strchr(unit_format, '%'))
 308                         snprintf(unit_str.name, sizeof(unit_str.name),
 309                                  unit_format, unit_id);
 310                 else
 311                         strcpy(unit_str.name, unit_format);
 312                 snprintf(test_str.name, sizeof(test_str.name),
 313                          test_format, test_id);
 314                 snprintf(strings[test_index].name,
 315                          sizeof(strings[test_index].name),
 316                          "%-6s %-24s", unit_str.name, test_str.name);
 317         }
 318 }
 319
 320 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 321 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 322 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 323 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 324         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 325
 326 /**
 327  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 328  * @efx:                Efx NIC
 329  * @lb_tests:           Efx loopback self-test results structure
 330  * @mode:               Loopback test mode
 331  * @test_index:         Starting index of the test
 332  * @strings:            Ethtool strings, or %NULL
 333  * @data:               Ethtool test results, or %NULL
 334  */
 335 static int efx_fill_loopback_test(struct efx_nic *efx,
 336                                   struct efx_loopback_self_tests *lb_tests,
 337                                   enum efx_loopback_mode mode,
 338                                   unsigned int test_index,
 339                                   struct ethtool_string *strings, u64 *data)
 340 {
 341         struct efx_channel *channel =
 342                 efx_get_channel(efx, efx->tx_channel_offset);
 343         struct efx_tx_queue *tx_queue;
 344
 345         efx_for_each_channel_tx_queue(tx_queue, channel) {
 346                 efx_fill_test(test_index++, strings, data,
 347                               &lb_tests->tx_sent[tx_queue->queue],
 348                               EFX_TX_QUEUE_NAME(tx_queue),
 349                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 350                 efx_fill_test(test_index++, strings, data,
 351                               &lb_tests->tx_done[tx_queue->queue],
 352                               EFX_TX_QUEUE_NAME(tx_queue),
 353                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 354         }
 355         efx_fill_test(test_index++, strings, data,
 356                       &lb_tests->rx_good,
 357                       "rx", 0,
 358                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 359         efx_fill_test(test_index++, strings, data,
 360                       &lb_tests->rx_bad,
 361                       "rx", 0,
 362                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 363
 364         return test_index;
 365 }
 366
 367 /**
 368  * efx_ethtool_fill_self_tests - get self-test details
 369  * @efx:                Efx NIC
 370  * @tests:              Efx self-test results structure, or %NULL
 371  * @strings:            Ethtool strings, or %NULL
 372  * @data:               Ethtool test results, or %NULL
 373  */
 374 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 375                                        struct efx_self_tests *tests,
 376                                        struct ethtool_string *strings,
 377                                        u64 *data)
 378 {
 379         struct efx_channel *channel;
 380         unsigned int n = 0, i;
 381         enum efx_loopback_mode mode;
 382
 383         efx_fill_test(n++, strings, data, &tests->phy_alive,
 384                       "phy", 0, "alive", NULL);
 385         efx_fill_test(n++, strings, data, &tests->nvram,
 386                       "core", 0, "nvram", NULL);
 387         efx_fill_test(n++, strings, data, &tests->interrupt,
 388                       "core", 0, "interrupt", NULL);
 389
 390         /* Event queues */
 391         efx_for_each_channel(channel, efx) {
 392                 efx_fill_test(n++, strings, data,
 393                               &tests->eventq_dma[channel->channel],
 394                               EFX_CHANNEL_NAME(channel),
 395                               "eventq.dma", NULL);
 396                 efx_fill_test(n++, strings, data,
 397                               &tests->eventq_int[channel->channel],
 398                               EFX_CHANNEL_NAME(channel),
 399                               "eventq.int", NULL);
 400         }
 401
 402         efx_fill_test(n++, strings, data, &tests->registers,
 403                       "core", 0, "registers", NULL);
 404
 405         if (efx->phy_op->run_tests != NULL) {
 406                 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
 407
 408                 for (i = 0; true; ++i) {
 409                         const char *name;
 410
 411                         EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 412                         name = efx->phy_op->test_name(efx, i);
 413                         if (name == NULL)
 414                                 break;
 415
 416                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 417                                       "phy", 0, name, NULL);
 418                 }
 419         }
 420
 421         /* Loopback tests */
 422         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 423                 if (!(efx->loopback_modes & (1 << mode)))
 424                         continue;
 425                 n = efx_fill_loopback_test(efx,
 426                                            &tests->loopback[mode], mode, n,
 427                                            strings, data);
 428         }
 429
 430         return n;
 431 }
 432
 433 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
 434                                       int string_set)
 435 {
 436         switch (string_set) {
 437         case ETH_SS_STATS:
 438                 return EFX_ETHTOOL_NUM_STATS;
 439         case ETH_SS_TEST:
 440                 return efx_ethtool_fill_self_tests(netdev_priv(net_dev),
 441                                                    NULL, NULL, NULL);
 442         default:
 443                 return -EINVAL;
 444         }
 445 }
 446
 447 static void efx_ethtool_get_strings(struct net_device *net_dev,
 448                                     u32 string_set, u8 *strings)
 449 {
 450         struct efx_nic *efx = netdev_priv(net_dev);
 451         struct ethtool_string *ethtool_strings =
 452                 (struct ethtool_string *)strings;
 453         int i;
 454
 455         switch (string_set) {
 456         case ETH_SS_STATS:
 457                 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
 458                         strlcpy(ethtool_strings[i].name,
 459                                 efx_ethtool_stats[i].name,
 460                                 sizeof(ethtool_strings[i].name));
 461                 break;
 462         case ETH_SS_TEST:
 463                 efx_ethtool_fill_self_tests(efx, NULL,
 464                                             ethtool_strings, NULL);
 465                 break;
 466         default:
 467                 /* No other string sets */
 468                 break;
 469         }
 470 }
 471
 472 static void efx_ethtool_get_stats(struct net_device *net_dev,
 473                                   struct ethtool_stats *stats,
 474                                   u64 *data)
 475 {
 476         struct efx_nic *efx = netdev_priv(net_dev);
 477         struct efx_mac_stats *mac_stats = &efx->mac_stats;
 478         const struct efx_ethtool_stat *stat;
 479         struct efx_channel *channel;
 480         struct efx_tx_queue *tx_queue;
 481         int i;
 482
 483         EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
 484
 485         spin_lock_bh(&efx->stats_lock);
 486
 487         /* Update MAC and NIC statistics */
 488         efx->type->update_stats(efx);
 489
 490         /* Fill detailed statistics buffer */
 491         for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
 492                 stat = &efx_ethtool_stats[i];
 493                 switch (stat->source) {
 494                 case EFX_ETHTOOL_STAT_SOURCE_mac_stats:
 495                         data[i] = stat->get_stat((void *)mac_stats +
 496                                                  stat->offset);
 497                         break;
 498                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 499                         data[i] = stat->get_stat((void *)efx + stat->offset);
 500                         break;
 501                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 502                         data[i] = 0;
 503                         efx_for_each_channel(channel, efx)
 504                                 data[i] += stat->get_stat((void *)channel +
 505                                                           stat->offset);
 506                         break;
 507                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 508                         data[i] = 0;
 509                         efx_for_each_channel(channel, efx) {
 510                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 511                                         data[i] +=
 512                                                 stat->get_stat((void *)tx_queue
 513                                                                + stat->offset);
 514                         }
 515                         break;
 516                 }
 517         }
 518
 519         spin_unlock_bh(&efx->stats_lock);
 520 }
 521
 522 static void efx_ethtool_self_test(struct net_device *net_dev,
 523                                   struct ethtool_test *test, u64 *data)
 524 {
 525         struct efx_nic *efx = netdev_priv(net_dev);
 526         struct efx_self_tests *efx_tests;
 527         int already_up;
 528         int rc = -ENOMEM;
 529
 530         efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
 531         if (!efx_tests)
 532                 goto fail;
 533
 534         if (efx->state != STATE_READY) {
 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         int rc = 0;
 713
 714         mutex_lock(&efx->mac_lock);
 715
 716         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 717                      (pause->tx_pause ? EFX_FC_TX : 0) |
 718                      (pause->autoneg ? EFX_FC_AUTO : 0));
 719
 720         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 721                 netif_dbg(efx, drv, efx->net_dev,
 722                           "Flow control unsupported: tx ON rx OFF\n");
 723                 rc = -EINVAL;
 724                 goto out;
 725         }
 726
 727         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
 728                 netif_dbg(efx, drv, efx->net_dev,
 729                           "Autonegotiation is disabled\n");
 730                 rc = -EINVAL;
 731                 goto out;
 732         }
 733
 734         /* Hook for Falcon bug 11482 workaround */
 735         if (efx->type->prepare_enable_fc_tx &&
 736             (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
 737                 efx->type->prepare_enable_fc_tx(efx);
 738
 739         old_adv = efx->link_advertising;
 740         old_fc = efx->wanted_fc;
 741         efx_link_set_wanted_fc(efx, wanted_fc);
 742         if (efx->link_advertising != old_adv ||
 743             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 744                 rc = efx->phy_op->reconfigure(efx);
 745                 if (rc) {
 746                         netif_err(efx, drv, efx->net_dev,
 747                                   "Unable to advertise requested flow "
 748                                   "control setting\n");
 749                         goto out;
 750                 }
 751         }
 752
 753         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 754          * if the user just changed the advertised capabilities, but there's no
 755          * harm doing this twice */
 756         efx->type->reconfigure_mac(efx);
 757
 758 out:
 759         mutex_unlock(&efx->mac_lock);
 760
 761         return rc;
 762 }
 763
 764 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 765                                        struct ethtool_pauseparam *pause)
 766 {
 767         struct efx_nic *efx = netdev_priv(net_dev);
 768
 769         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 770         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 771         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 772 }
 773
 774
 775 static void efx_ethtool_get_wol(struct net_device *net_dev,
 776                                 struct ethtool_wolinfo *wol)
 777 {
 778         struct efx_nic *efx = netdev_priv(net_dev);
 779         return efx->type->get_wol(efx, wol);
 780 }
 781
 782
 783 static int efx_ethtool_set_wol(struct net_device *net_dev,
 784                                struct ethtool_wolinfo *wol)
 785 {
 786         struct efx_nic *efx = netdev_priv(net_dev);
 787         return efx->type->set_wol(efx, wol->wolopts);
 788 }
 789
 790 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
 791 {
 792         struct efx_nic *efx = netdev_priv(net_dev);
 793         int rc;
 794
 795         rc = efx->type->map_reset_flags(flags);
 796         if (rc < 0)
 797                 return rc;
 798
 799         return efx_reset(efx, rc);
 800 }
 801
 802 /* MAC address mask including only I/G bit */
 803 static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
 804
 805 #define IP4_ADDR_FULL_MASK      ((__force __be32)~0)
 806 #define PORT_FULL_MASK          ((__force __be16)~0)
 807 #define ETHER_TYPE_FULL_MASK    ((__force __be16)~0)
 808
 809 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 810                                       struct ethtool_rx_flow_spec *rule)
 811 {
 812         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 813         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 814         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 815         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 816         struct efx_filter_spec spec;
 817         int rc;
 818
 819         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 820                                         rule->location, &spec);
 821         if (rc)
 822                 return rc;
 823
 824         if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
 825                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 826         else
 827                 rule->ring_cookie = spec.dmaq_id;
 828
 829         if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 830             spec.ether_type == htons(ETH_P_IP) &&
 831             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 832             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 833             !(spec.match_flags &
 834               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 835                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 836                 EFX_FILTER_MATCH_IP_PROTO |
 837                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 838                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 839                                    TCP_V4_FLOW : UDP_V4_FLOW);
 840                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 841                         ip_entry->ip4dst = spec.loc_host[0];
 842                         ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 843                 }
 844                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 845                         ip_entry->ip4src = spec.rem_host[0];
 846                         ip_mask->ip4src = IP4_ADDR_FULL_MASK;
 847                 }
 848                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 849                         ip_entry->pdst = spec.loc_port;
 850                         ip_mask->pdst = PORT_FULL_MASK;
 851                 }
 852                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 853                         ip_entry->psrc = spec.rem_port;
 854                         ip_mask->psrc = PORT_FULL_MASK;
 855                 }
 856         } else if (!(spec.match_flags &
 857                      ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
 858                        EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
 859                        EFX_FILTER_MATCH_OUTER_VID))) {
 860                 rule->flow_type = ETHER_FLOW;
 861                 if (spec.match_flags &
 862                     (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
 863                         memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
 864                         if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
 865                                 memset(mac_mask->h_dest, ~0, ETH_ALEN);
 866                         else
 867                                 memcpy(mac_mask->h_dest, mac_addr_ig_mask,
 868                                        ETH_ALEN);
 869                 }
 870                 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
 871                         memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
 872                         memset(mac_mask->h_source, ~0, ETH_ALEN);
 873                 }
 874                 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
 875                         mac_entry->h_proto = spec.ether_type;
 876                         mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
 877                 }
 878         } else {
 879                 /* The above should handle all filters that we insert */
 880                 WARN_ON(1);
 881                 return -EINVAL;
 882         }
 883
 884         if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
 885                 rule->flow_type |= FLOW_EXT;
 886                 rule->h_ext.vlan_tci = spec.outer_vid;
 887                 rule->m_ext.vlan_tci = htons(0xfff);
 888         }
 889
 890         return rc;
 891 }
 892
 893 static int
 894 efx_ethtool_get_rxnfc(struct net_device *net_dev,
 895                       struct ethtool_rxnfc *info, u32 *rule_locs)
 896 {
 897         struct efx_nic *efx = netdev_priv(net_dev);
 898
 899         switch (info->cmd) {
 900         case ETHTOOL_GRXRINGS:
 901                 info->data = efx->n_rx_channels;
 902                 return 0;
 903
 904         case ETHTOOL_GRXFH: {
 905                 unsigned min_revision = 0;
 906
 907                 info->data = 0;
 908                 switch (info->flow_type) {
 909                 case TCP_V4_FLOW:
 910                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 911                         /* fall through */
 912                 case UDP_V4_FLOW:
 913                 case SCTP_V4_FLOW:
 914                 case AH_ESP_V4_FLOW:
 915                 case IPV4_FLOW:
 916                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 917                         min_revision = EFX_REV_FALCON_B0;
 918                         break;
 919                 case TCP_V6_FLOW:
 920                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 921                         /* fall through */
 922                 case UDP_V6_FLOW:
 923                 case SCTP_V6_FLOW:
 924                 case AH_ESP_V6_FLOW:
 925                 case IPV6_FLOW:
 926                         info->data |= RXH_IP_SRC | RXH_IP_DST;
 927                         min_revision = EFX_REV_SIENA_A0;
 928                         break;
 929                 default:
 930                         break;
 931                 }
 932                 if (efx_nic_rev(efx) < min_revision)
 933                         info->data = 0;
 934                 return 0;
 935         }
 936
 937         case ETHTOOL_GRXCLSRLCNT:
 938                 info->data = efx_filter_get_rx_id_limit(efx);
 939                 if (info->data == 0)
 940                         return -EOPNOTSUPP;
 941                 info->data |= RX_CLS_LOC_SPECIAL;
 942                 info->rule_cnt =
 943                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 944                 return 0;
 945
 946         case ETHTOOL_GRXCLSRULE:
 947                 if (efx_filter_get_rx_id_limit(efx) == 0)
 948                         return -EOPNOTSUPP;
 949                 return efx_ethtool_get_class_rule(efx, &info->fs);
 950
 951         case ETHTOOL_GRXCLSRLALL: {
 952                 s32 rc;
 953                 info->data = efx_filter_get_rx_id_limit(efx);
 954                 if (info->data == 0)
 955                         return -EOPNOTSUPP;
 956                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 957                                            rule_locs, info->rule_cnt);
 958                 if (rc < 0)
 959                         return rc;
 960                 info->rule_cnt = rc;
 961                 return 0;
 962         }
 963
 964         default:
 965                 return -EOPNOTSUPP;
 966         }
 967 }
 968
 969 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 970                                       struct ethtool_rx_flow_spec *rule)
 971 {
 972         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 973         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 974         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 975         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 976         struct efx_filter_spec spec;
 977         int rc;
 978
 979         /* Check that user wants us to choose the location */
 980         if (rule->location != RX_CLS_LOC_ANY)
 981                 return -EINVAL;
 982
 983         /* Range-check ring_cookie */
 984         if (rule->ring_cookie >= efx->n_rx_channels &&
 985             rule->ring_cookie != RX_CLS_FLOW_DISC)
 986                 return -EINVAL;
 987
 988         /* Check for unsupported extensions */
 989         if ((rule->flow_type & FLOW_EXT) &&
 990             (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
 991              rule->m_ext.data[1]))
 992                 return -EINVAL;
 993
 994         efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
 995                            efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
 996                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 997                            EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
 998
 999         switch (rule->flow_type & ~FLOW_EXT) {
1000         case TCP_V4_FLOW:
1001         case UDP_V4_FLOW:
1002                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
1003                                     EFX_FILTER_MATCH_IP_PROTO);
1004                 spec.ether_type = htons(ETH_P_IP);
1005                 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
1006                                  IPPROTO_TCP : IPPROTO_UDP);
1007                 if (ip_mask->ip4dst) {
1008                         if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1009                                 return -EINVAL;
1010                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1011                         spec.loc_host[0] = ip_entry->ip4dst;
1012                 }
1013                 if (ip_mask->ip4src) {
1014                         if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
1015                                 return -EINVAL;
1016                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1017                         spec.rem_host[0] = ip_entry->ip4src;
1018                 }
1019                 if (ip_mask->pdst) {
1020                         if (ip_mask->pdst != PORT_FULL_MASK)
1021                                 return -EINVAL;
1022                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1023                         spec.loc_port = ip_entry->pdst;
1024                 }
1025                 if (ip_mask->psrc) {
1026                         if (ip_mask->psrc != PORT_FULL_MASK)
1027                                 return -EINVAL;
1028                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1029                         spec.rem_port = ip_entry->psrc;
1030                 }
1031                 if (ip_mask->tos)
1032                         return -EINVAL;
1033                 break;
1034
1035         case ETHER_FLOW:
1036                 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1037                         if (ether_addr_equal(mac_mask->h_dest,
1038                                              mac_addr_ig_mask))
1039                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1040                         else if (is_broadcast_ether_addr(mac_mask->h_dest))
1041                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1042                         else
1043                                 return -EINVAL;
1044                         memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
1045                 }
1046                 if (!is_zero_ether_addr(mac_mask->h_source)) {
1047                         if (!is_broadcast_ether_addr(mac_mask->h_source))
1048                                 return -EINVAL;
1049                         spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1050                         memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
1051                 }
1052                 if (mac_mask->h_proto) {
1053                         if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1054                                 return -EINVAL;
1055                         spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1056                         spec.ether_type = mac_entry->h_proto;
1057                 }
1058                 break;
1059
1060         default:
1061                 return -EINVAL;
1062         }
1063
1064         if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1065                 if (rule->m_ext.vlan_tci != htons(0xfff))
1066                         return -EINVAL;
1067                 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1068                 spec.outer_vid = rule->h_ext.vlan_tci;
1069         }
1070
1071         rc = efx_filter_insert_filter(efx, &spec, true);
1072         if (rc < 0)
1073                 return rc;
1074
1075         rule->location = rc;
1076         return 0;
1077 }
1078
1079 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1080                                  struct ethtool_rxnfc *info)
1081 {
1082         struct efx_nic *efx = netdev_priv(net_dev);
1083
1084         if (efx_filter_get_rx_id_limit(efx) == 0)
1085                 return -EOPNOTSUPP;
1086
1087         switch (info->cmd) {
1088         case ETHTOOL_SRXCLSRLINS:
1089                 return efx_ethtool_set_class_rule(efx, &info->fs);
1090
1091         case ETHTOOL_SRXCLSRLDEL:
1092                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1093                                                  info->fs.location);
1094
1095         default:
1096                 return -EOPNOTSUPP;
1097         }
1098 }
1099
1100 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1101 {
1102         struct efx_nic *efx = netdev_priv(net_dev);
1103
1104         return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1105                  efx->n_rx_channels == 1) ?
1106                 0 : ARRAY_SIZE(efx->rx_indir_table));
1107 }
1108
1109 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1110 {
1111         struct efx_nic *efx = netdev_priv(net_dev);
1112
1113         memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1114         return 0;
1115 }
1116
1117 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1118                                       const u32 *indir)
1119 {
1120         struct efx_nic *efx = netdev_priv(net_dev);
1121
1122         memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1123         efx_nic_push_rx_indir_table(efx);
1124         return 0;
1125 }
1126
1127 int efx_ethtool_get_ts_info(struct net_device *net_dev,
1128                             struct ethtool_ts_info *ts_info)
1129 {
1130         struct efx_nic *efx = netdev_priv(net_dev);
1131
1132         /* Software capabilities */
1133         ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1134                                     SOF_TIMESTAMPING_SOFTWARE);
1135         ts_info->phc_index = -1;
1136
1137         efx_ptp_get_ts_info(efx, ts_info);
1138         return 0;
1139 }
1140
1141 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1142                                          struct ethtool_eeprom *ee,
1143                                          u8 *data)
1144 {
1145         struct efx_nic *efx = netdev_priv(net_dev);
1146         int ret;
1147
1148         if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1149                 return -EOPNOTSUPP;
1150
1151         mutex_lock(&efx->mac_lock);
1152         ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1153         mutex_unlock(&efx->mac_lock);
1154
1155         return ret;
1156 }
1157
1158 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1159                                        struct ethtool_modinfo *modinfo)
1160 {
1161         struct efx_nic *efx = netdev_priv(net_dev);
1162         int ret;
1163
1164         if (!efx->phy_op || !efx->phy_op->get_module_info)
1165                 return -EOPNOTSUPP;
1166
1167         mutex_lock(&efx->mac_lock);
1168         ret = efx->phy_op->get_module_info(efx, modinfo);
1169         mutex_unlock(&efx->mac_lock);
1170
1171         return ret;
1172 }
1173
1174 const struct ethtool_ops efx_ethtool_ops = {
1175         .get_settings           = efx_ethtool_get_settings,
1176         .set_settings           = efx_ethtool_set_settings,
1177         .get_drvinfo            = efx_ethtool_get_drvinfo,
1178         .get_regs_len           = efx_ethtool_get_regs_len,
1179         .get_regs               = efx_ethtool_get_regs,
1180         .get_msglevel           = efx_ethtool_get_msglevel,
1181         .set_msglevel           = efx_ethtool_set_msglevel,
1182         .nway_reset             = efx_ethtool_nway_reset,
1183         .get_link               = ethtool_op_get_link,
1184         .get_coalesce           = efx_ethtool_get_coalesce,
1185         .set_coalesce           = efx_ethtool_set_coalesce,
1186         .get_ringparam          = efx_ethtool_get_ringparam,
1187         .set_ringparam          = efx_ethtool_set_ringparam,
1188         .get_pauseparam         = efx_ethtool_get_pauseparam,
1189         .set_pauseparam         = efx_ethtool_set_pauseparam,
1190         .get_sset_count         = efx_ethtool_get_sset_count,
1191         .self_test              = efx_ethtool_self_test,
1192         .get_strings            = efx_ethtool_get_strings,
1193         .set_phys_id            = efx_ethtool_phys_id,
1194         .get_ethtool_stats      = efx_ethtool_get_stats,
1195         .get_wol                = efx_ethtool_get_wol,
1196         .set_wol                = efx_ethtool_set_wol,
1197         .reset                  = efx_ethtool_reset,
1198         .get_rxnfc              = efx_ethtool_get_rxnfc,
1199         .set_rxnfc              = efx_ethtool_set_rxnfc,
1200         .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
1201         .get_rxfh_indir         = efx_ethtool_get_rxfh_indir,
1202         .set_rxfh_indir         = efx_ethtool_set_rxfh_indir,
1203         .get_ts_info            = efx_ethtool_get_ts_info,
1204         .get_module_info        = efx_ethtool_get_module_info,
1205         .get_module_eeprom      = efx_ethtool_get_module_eeprom,
1206 };