drivers/net/ethernet/sfc/ethtool_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /****************************************************************************
   3  * Driver for Solarflare network controllers and boards
   4  * Copyright 2019 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 #include <linux/module.h>
  11 #include <linux/netdevice.h>
  12 #include "net_driver.h"
  13 #include "mcdi.h"
  14 #include "nic.h"
  15 #include "selftest.h"
  16 #include "rx_common.h"
  17 #include "ethtool_common.h"
  18
  19 struct efx_sw_stat_desc {
  20         const char *name;
  21         enum {
  22                 EFX_ETHTOOL_STAT_SOURCE_nic,
  23                 EFX_ETHTOOL_STAT_SOURCE_channel,
  24                 EFX_ETHTOOL_STAT_SOURCE_tx_queue
  25         } source;
  26         unsigned int offset;
  27         u64 (*get_stat)(void *field); /* Reader function */
  28 };
  29
  30 /* Initialiser for a struct efx_sw_stat_desc with type-checking */
  31 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  32                                 get_stat_function) {                    \
  33         .name = #stat_name,                                             \
  34         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  35         .offset = ((((field_type *) 0) ==                               \
  36                       &((struct efx_##source_name *)0)->field) ?        \
  37                     offsetof(struct efx_##source_name, field) :         \
  38                     offsetof(struct efx_##source_name, field)),         \
  39         .get_stat = get_stat_function,                                  \
  40 }
  41
  42 static u64 efx_get_uint_stat(void *field)
  43 {
  44         return *(unsigned int *)field;
  45 }
  46
  47 static u64 efx_get_atomic_stat(void *field)
  48 {
  49         return atomic_read((atomic_t *) field);
  50 }
  51
  52 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  53         EFX_ETHTOOL_STAT(field, nic, field,                     \
  54                          atomic_t, efx_get_atomic_stat)
  55
  56 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  57         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  58                          unsigned int, efx_get_uint_stat)
  59 #define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field)               \
  60         EFX_ETHTOOL_STAT(field, channel, field,                 \
  61                          unsigned int, efx_get_uint_stat)
  62
  63 #define EFX_ETHTOOL_UINT_TXQ_STAT(field)                        \
  64         EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,           \
  65                          unsigned int, efx_get_uint_stat)
  66
  67 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
  68         EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
  69         EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
  70         EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
  71         EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
  72         EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
  73         EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
  74         EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
  75         EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
  76         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
  77         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
  78         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
  79         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
  80         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
  81         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
  82         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
  83         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
  84         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
  85         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
  86         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
  87         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
  88         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
  89         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops),
  90         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
  91         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
  92         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
  93 #ifdef CONFIG_RFS_ACCEL
  94         EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
  95         EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
  96         EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
  97 #endif
  98 };
  99
 100 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
 101
 102 void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 103                              struct ethtool_drvinfo *info)
 104 {
 105         struct efx_nic *efx = netdev_priv(net_dev);
 106
 107         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 108         strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 109         efx_mcdi_print_fwver(efx, info->fw_version,
 110                              sizeof(info->fw_version));
 111         strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 112 }
 113
 114 u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
 115 {
 116         struct efx_nic *efx = netdev_priv(net_dev);
 117
 118         return efx->msg_enable;
 119 }
 120
 121 void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
 122 {
 123         struct efx_nic *efx = netdev_priv(net_dev);
 124
 125         efx->msg_enable = msg_enable;
 126 }
 127
 128 void efx_ethtool_self_test(struct net_device *net_dev,
 129                            struct ethtool_test *test, u64 *data)
 130 {
 131         struct efx_nic *efx = netdev_priv(net_dev);
 132         struct efx_self_tests *efx_tests;
 133         bool already_up;
 134         int rc = -ENOMEM;
 135
 136         efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
 137         if (!efx_tests)
 138                 goto fail;
 139
 140         if (efx->state != STATE_READY) {
 141                 rc = -EBUSY;
 142                 goto out;
 143         }
 144
 145         netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
 146                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 147
 148         /* We need rx buffers and interrupts. */
 149         already_up = (efx->net_dev->flags & IFF_UP);
 150         if (!already_up) {
 151                 rc = dev_open(efx->net_dev, NULL);
 152                 if (rc) {
 153                         netif_err(efx, drv, efx->net_dev,
 154                                   "failed opening device.\n");
 155                         goto out;
 156                 }
 157         }
 158
 159         rc = efx_selftest(efx, efx_tests, test->flags);
 160
 161         if (!already_up)
 162                 dev_close(efx->net_dev);
 163
 164         netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
 165                    rc == 0 ? "passed" : "failed",
 166                    (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 167
 168 out:
 169         efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
 170         kfree(efx_tests);
 171 fail:
 172         if (rc)
 173                 test->flags |= ETH_TEST_FL_FAILED;
 174 }
 175
 176 void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 177                                 struct ethtool_pauseparam *pause)
 178 {
 179         struct efx_nic *efx = netdev_priv(net_dev);
 180
 181         pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
 182         pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
 183         pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
 184 }
 185
 186 int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 187                                struct ethtool_pauseparam *pause)
 188 {
 189         struct efx_nic *efx = netdev_priv(net_dev);
 190         u8 wanted_fc, old_fc;
 191         u32 old_adv;
 192         int rc = 0;
 193
 194         mutex_lock(&efx->mac_lock);
 195
 196         wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 197                      (pause->tx_pause ? EFX_FC_TX : 0) |
 198                      (pause->autoneg ? EFX_FC_AUTO : 0));
 199
 200         if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 201                 netif_dbg(efx, drv, efx->net_dev,
 202                           "Flow control unsupported: tx ON rx OFF\n");
 203                 rc = -EINVAL;
 204                 goto out;
 205         }
 206
 207         if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) {
 208                 netif_dbg(efx, drv, efx->net_dev,
 209                           "Autonegotiation is disabled\n");
 210                 rc = -EINVAL;
 211                 goto out;
 212         }
 213
 214         /* Hook for Falcon bug 11482 workaround */
 215         if (efx->type->prepare_enable_fc_tx &&
 216             (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
 217                 efx->type->prepare_enable_fc_tx(efx);
 218
 219         old_adv = efx->link_advertising[0];
 220         old_fc = efx->wanted_fc;
 221         efx_link_set_wanted_fc(efx, wanted_fc);
 222         if (efx->link_advertising[0] != old_adv ||
 223             (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
 224                 rc = efx->phy_op->reconfigure(efx);
 225                 if (rc) {
 226                         netif_err(efx, drv, efx->net_dev,
 227                                   "Unable to advertise requested flow "
 228                                   "control setting\n");
 229                         goto out;
 230                 }
 231         }
 232
 233         /* Reconfigure the MAC. The PHY *may* generate a link state change event
 234          * if the user just changed the advertised capabilities, but there's no
 235          * harm doing this twice */
 236         efx_mac_reconfigure(efx, false);
 237
 238 out:
 239         mutex_unlock(&efx->mac_lock);
 240
 241         return rc;
 242 }
 243
 244 /**
 245  * efx_fill_test - fill in an individual self-test entry
 246  * @test_index:         Index of the test
 247  * @strings:            Ethtool strings, or %NULL
 248  * @data:               Ethtool test results, or %NULL
 249  * @test:               Pointer to test result (used only if data != %NULL)
 250  * @unit_format:        Unit name format (e.g. "chan\%d")
 251  * @unit_id:            Unit id (e.g. 0 for "chan0")
 252  * @test_format:        Test name format (e.g. "loopback.\%s.tx.sent")
 253  * @test_id:            Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
 254  *
 255  * Fill in an individual self-test entry.
 256  */
 257 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
 258                           int *test, const char *unit_format, int unit_id,
 259                           const char *test_format, const char *test_id)
 260 {
 261         char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
 262
 263         /* Fill data value, if applicable */
 264         if (data)
 265                 data[test_index] = *test;
 266
 267         /* Fill string, if applicable */
 268         if (strings) {
 269                 if (strchr(unit_format, '%'))
 270                         snprintf(unit_str, sizeof(unit_str),
 271                                  unit_format, unit_id);
 272                 else
 273                         strcpy(unit_str, unit_format);
 274                 snprintf(test_str, sizeof(test_str), test_format, test_id);
 275                 snprintf(strings + test_index * ETH_GSTRING_LEN,
 276                          ETH_GSTRING_LEN,
 277                          "%-6s %-24s", unit_str, test_str);
 278         }
 279 }
 280
 281 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
 282 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label
 283 #define EFX_LOOPBACK_NAME(_mode, _counter)                      \
 284         "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 285
 286 /**
 287  * efx_fill_loopback_test - fill in a block of loopback self-test entries
 288  * @efx:                Efx NIC
 289  * @lb_tests:           Efx loopback self-test results structure
 290  * @mode:               Loopback test mode
 291  * @test_index:         Starting index of the test
 292  * @strings:            Ethtool strings, or %NULL
 293  * @data:               Ethtool test results, or %NULL
 294  *
 295  * Fill in a block of loopback self-test entries.  Return new test
 296  * index.
 297  */
 298 static int efx_fill_loopback_test(struct efx_nic *efx,
 299                                   struct efx_loopback_self_tests *lb_tests,
 300                                   enum efx_loopback_mode mode,
 301                                   unsigned int test_index,
 302                                   u8 *strings, u64 *data)
 303 {
 304         struct efx_channel *channel =
 305                 efx_get_channel(efx, efx->tx_channel_offset);
 306         struct efx_tx_queue *tx_queue;
 307
 308         efx_for_each_channel_tx_queue(tx_queue, channel) {
 309                 efx_fill_test(test_index++, strings, data,
 310                               &lb_tests->tx_sent[tx_queue->label],
 311                               EFX_TX_QUEUE_NAME(tx_queue),
 312                               EFX_LOOPBACK_NAME(mode, "tx_sent"));
 313                 efx_fill_test(test_index++, strings, data,
 314                               &lb_tests->tx_done[tx_queue->label],
 315                               EFX_TX_QUEUE_NAME(tx_queue),
 316                               EFX_LOOPBACK_NAME(mode, "tx_done"));
 317         }
 318         efx_fill_test(test_index++, strings, data,
 319                       &lb_tests->rx_good,
 320                       "rx", 0,
 321                       EFX_LOOPBACK_NAME(mode, "rx_good"));
 322         efx_fill_test(test_index++, strings, data,
 323                       &lb_tests->rx_bad,
 324                       "rx", 0,
 325                       EFX_LOOPBACK_NAME(mode, "rx_bad"));
 326
 327         return test_index;
 328 }
 329
 330 /**
 331  * efx_ethtool_fill_self_tests - get self-test details
 332  * @efx:                Efx NIC
 333  * @tests:              Efx self-test results structure, or %NULL
 334  * @strings:            Ethtool strings, or %NULL
 335  * @data:               Ethtool test results, or %NULL
 336  *
 337  * Get self-test number of strings, strings, and/or test results.
 338  * Return number of strings (== number of test results).
 339  *
 340  * The reason for merging these three functions is to make sure that
 341  * they can never be inconsistent.
 342  */
 343 int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 344                                 struct efx_self_tests *tests,
 345                                 u8 *strings, u64 *data)
 346 {
 347         struct efx_channel *channel;
 348         unsigned int n = 0, i;
 349         enum efx_loopback_mode mode;
 350
 351         efx_fill_test(n++, strings, data, &tests->phy_alive,
 352                       "phy", 0, "alive", NULL);
 353         efx_fill_test(n++, strings, data, &tests->nvram,
 354                       "core", 0, "nvram", NULL);
 355         efx_fill_test(n++, strings, data, &tests->interrupt,
 356                       "core", 0, "interrupt", NULL);
 357
 358         /* Event queues */
 359         efx_for_each_channel(channel, efx) {
 360                 efx_fill_test(n++, strings, data,
 361                               &tests->eventq_dma[channel->channel],
 362                               EFX_CHANNEL_NAME(channel),
 363                               "eventq.dma", NULL);
 364                 efx_fill_test(n++, strings, data,
 365                               &tests->eventq_int[channel->channel],
 366                               EFX_CHANNEL_NAME(channel),
 367                               "eventq.int", NULL);
 368         }
 369
 370         efx_fill_test(n++, strings, data, &tests->memory,
 371                       "core", 0, "memory", NULL);
 372         efx_fill_test(n++, strings, data, &tests->registers,
 373                       "core", 0, "registers", NULL);
 374
 375         if (efx->phy_op->run_tests != NULL) {
 376                 EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL);
 377
 378                 for (i = 0; true; ++i) {
 379                         const char *name;
 380
 381                         EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 382                         name = efx->phy_op->test_name(efx, i);
 383                         if (name == NULL)
 384                                 break;
 385
 386                         efx_fill_test(n++, strings, data, &tests->phy_ext[i],
 387                                       "phy", 0, name, NULL);
 388                 }
 389         }
 390
 391         /* Loopback tests */
 392         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 393                 if (!(efx->loopback_modes & (1 << mode)))
 394                         continue;
 395                 n = efx_fill_loopback_test(efx,
 396                                            &tests->loopback[mode], mode, n,
 397                                            strings, data);
 398         }
 399
 400         return n;
 401 }
 402
 403 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
 404 {
 405         size_t n_stats = 0;
 406         struct efx_channel *channel;
 407
 408         efx_for_each_channel(channel, efx) {
 409                 if (efx_channel_has_tx_queues(channel)) {
 410                         n_stats++;
 411                         if (strings != NULL) {
 412                                 snprintf(strings, ETH_GSTRING_LEN,
 413                                          "tx-%u.tx_packets",
 414                                          channel->tx_queue[0].queue /
 415                                          EFX_TXQ_TYPES);
 416
 417                                 strings += ETH_GSTRING_LEN;
 418                         }
 419                 }
 420         }
 421         efx_for_each_channel(channel, efx) {
 422                 if (efx_channel_has_rx_queue(channel)) {
 423                         n_stats++;
 424                         if (strings != NULL) {
 425                                 snprintf(strings, ETH_GSTRING_LEN,
 426                                          "rx-%d.rx_packets", channel->channel);
 427                                 strings += ETH_GSTRING_LEN;
 428                         }
 429                 }
 430         }
 431         if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
 432                 unsigned short xdp;
 433
 434                 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
 435                         n_stats++;
 436                         if (strings) {
 437                                 snprintf(strings, ETH_GSTRING_LEN,
 438                                          "tx-xdp-cpu-%hu.tx_packets", xdp);
 439                                 strings += ETH_GSTRING_LEN;
 440                         }
 441                 }
 442         }
 443
 444         return n_stats;
 445 }
 446
 447 int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set)
 448 {
 449         struct efx_nic *efx = netdev_priv(net_dev);
 450
 451         switch (string_set) {
 452         case ETH_SS_STATS:
 453                 return efx->type->describe_stats(efx, NULL) +
 454                        EFX_ETHTOOL_SW_STAT_COUNT +
 455                        efx_describe_per_queue_stats(efx, NULL) +
 456                        efx_ptp_describe_stats(efx, NULL);
 457         case ETH_SS_TEST:
 458                 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
 459         default:
 460                 return -EINVAL;
 461         }
 462 }
 463
 464 void efx_ethtool_get_strings(struct net_device *net_dev,
 465                              u32 string_set, u8 *strings)
 466 {
 467         struct efx_nic *efx = netdev_priv(net_dev);
 468         int i;
 469
 470         switch (string_set) {
 471         case ETH_SS_STATS:
 472                 strings += (efx->type->describe_stats(efx, strings) *
 473                             ETH_GSTRING_LEN);
 474                 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
 475                         strlcpy(strings + i * ETH_GSTRING_LEN,
 476                                 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
 477                 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
 478                 strings += (efx_describe_per_queue_stats(efx, strings) *
 479                             ETH_GSTRING_LEN);
 480                 efx_ptp_describe_stats(efx, strings);
 481                 break;
 482         case ETH_SS_TEST:
 483                 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
 484                 break;
 485         default:
 486                 /* No other string sets */
 487                 break;
 488         }
 489 }
 490
 491 void efx_ethtool_get_stats(struct net_device *net_dev,
 492                            struct ethtool_stats *stats,
 493                            u64 *data)
 494 {
 495         struct efx_nic *efx = netdev_priv(net_dev);
 496         const struct efx_sw_stat_desc *stat;
 497         struct efx_channel *channel;
 498         struct efx_tx_queue *tx_queue;
 499         struct efx_rx_queue *rx_queue;
 500         int i;
 501
 502         spin_lock_bh(&efx->stats_lock);
 503
 504         /* Get NIC statistics */
 505         data += efx->type->update_stats(efx, data, NULL);
 506
 507         /* Get software statistics */
 508         for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
 509                 stat = &efx_sw_stat_desc[i];
 510                 switch (stat->source) {
 511                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 512                         data[i] = stat->get_stat((void *)efx + stat->offset);
 513                         break;
 514                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 515                         data[i] = 0;
 516                         efx_for_each_channel(channel, efx)
 517                                 data[i] += stat->get_stat((void *)channel +
 518                                                           stat->offset);
 519                         break;
 520                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 521                         data[i] = 0;
 522                         efx_for_each_channel(channel, efx) {
 523                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 524                                         data[i] +=
 525                                                 stat->get_stat((void *)tx_queue
 526                                                                + stat->offset);
 527                         }
 528                         break;
 529                 }
 530         }
 531         data += EFX_ETHTOOL_SW_STAT_COUNT;
 532
 533         spin_unlock_bh(&efx->stats_lock);
 534
 535         efx_for_each_channel(channel, efx) {
 536                 if (efx_channel_has_tx_queues(channel)) {
 537                         *data = 0;
 538                         efx_for_each_channel_tx_queue(tx_queue, channel) {
 539                                 *data += tx_queue->tx_packets;
 540                         }
 541                         data++;
 542                 }
 543         }
 544         efx_for_each_channel(channel, efx) {
 545                 if (efx_channel_has_rx_queue(channel)) {
 546                         *data = 0;
 547                         efx_for_each_channel_rx_queue(rx_queue, channel) {
 548                                 *data += rx_queue->rx_packets;
 549                         }
 550                         data++;
 551                 }
 552         }
 553         if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
 554                 int xdp;
 555
 556                 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
 557                         data[0] = efx->xdp_tx_queues[xdp]->tx_packets;
 558                         data++;
 559                 }
 560         }
 561
 562         efx_ptp_update_stats(efx, data);
 563 }
 564
 565 /* This must be called with rtnl_lock held. */
 566 int efx_ethtool_get_link_ksettings(struct net_device *net_dev,
 567                                    struct ethtool_link_ksettings *cmd)
 568 {
 569         struct efx_nic *efx = netdev_priv(net_dev);
 570         struct efx_link_state *link_state = &efx->link_state;
 571         u32 supported;
 572
 573         mutex_lock(&efx->mac_lock);
 574         efx->phy_op->get_link_ksettings(efx, cmd);
 575         mutex_unlock(&efx->mac_lock);
 576
 577         /* Both MACs support pause frames (bidirectional and respond-only) */
 578         ethtool_convert_link_mode_to_legacy_u32(&supported,
 579                                                 cmd->link_modes.supported);
 580
 581         supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 582
 583         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 584                                                 supported);
 585
 586         if (LOOPBACK_INTERNAL(efx)) {
 587                 cmd->base.speed = link_state->speed;
 588                 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 589         }
 590
 591         return 0;
 592 }
 593
 594 /* This must be called with rtnl_lock held. */
 595 int efx_ethtool_set_link_ksettings(struct net_device *net_dev,
 596                                    const struct ethtool_link_ksettings *cmd)
 597 {
 598         struct efx_nic *efx = netdev_priv(net_dev);
 599         int rc;
 600
 601         /* GMAC does not support 1000Mbps HD */
 602         if ((cmd->base.speed == SPEED_1000) &&
 603             (cmd->base.duplex != DUPLEX_FULL)) {
 604                 netif_dbg(efx, drv, efx->net_dev,
 605                           "rejecting unsupported 1000Mbps HD setting\n");
 606                 return -EINVAL;
 607         }
 608
 609         mutex_lock(&efx->mac_lock);
 610         rc = efx->phy_op->set_link_ksettings(efx, cmd);
 611         mutex_unlock(&efx->mac_lock);
 612         return rc;
 613 }
 614
 615 int efx_ethtool_get_fecparam(struct net_device *net_dev,
 616                              struct ethtool_fecparam *fecparam)
 617 {
 618         struct efx_nic *efx = netdev_priv(net_dev);
 619         int rc;
 620
 621         if (!efx->phy_op || !efx->phy_op->get_fecparam)
 622                 return -EOPNOTSUPP;
 623         mutex_lock(&efx->mac_lock);
 624         rc = efx->phy_op->get_fecparam(efx, fecparam);
 625         mutex_unlock(&efx->mac_lock);
 626
 627         return rc;
 628 }
 629
 630 int efx_ethtool_set_fecparam(struct net_device *net_dev,
 631                              struct ethtool_fecparam *fecparam)
 632 {
 633         struct efx_nic *efx = netdev_priv(net_dev);
 634         int rc;
 635
 636         if (!efx->phy_op || !efx->phy_op->get_fecparam)
 637                 return -EOPNOTSUPP;
 638         mutex_lock(&efx->mac_lock);
 639         rc = efx->phy_op->set_fecparam(efx, fecparam);
 640         mutex_unlock(&efx->mac_lock);
 641
 642         return rc;
 643 }
 644
 645 /* MAC address mask including only I/G bit */
 646 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
 647
 648 #define IP4_ADDR_FULL_MASK      ((__force __be32)~0)
 649 #define IP_PROTO_FULL_MASK      0xFF
 650 #define PORT_FULL_MASK          ((__force __be16)~0)
 651 #define ETHER_TYPE_FULL_MASK    ((__force __be16)~0)
 652
 653 static inline void ip6_fill_mask(__be32 *mask)
 654 {
 655         mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
 656 }
 657
 658 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 659                                       struct ethtool_rx_flow_spec *rule,
 660                                       u32 *rss_context)
 661 {
 662         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 663         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 664         struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
 665         struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
 666         struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
 667         struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
 668         struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
 669         struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
 670         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 671         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 672         struct efx_filter_spec spec;
 673         int rc;
 674
 675         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 676                                         rule->location, &spec);
 677         if (rc)
 678                 return rc;
 679
 680         if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
 681                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 682         else
 683                 rule->ring_cookie = spec.dmaq_id;
 684
 685         if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 686             spec.ether_type == htons(ETH_P_IP) &&
 687             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 688             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 689             !(spec.match_flags &
 690               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 691                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 692                 EFX_FILTER_MATCH_IP_PROTO |
 693                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 694                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 695                                    TCP_V4_FLOW : UDP_V4_FLOW);
 696                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 697                         ip_entry->ip4dst = spec.loc_host[0];
 698                         ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 699                 }
 700                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 701                         ip_entry->ip4src = spec.rem_host[0];
 702                         ip_mask->ip4src = IP4_ADDR_FULL_MASK;
 703                 }
 704                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 705                         ip_entry->pdst = spec.loc_port;
 706                         ip_mask->pdst = PORT_FULL_MASK;
 707                 }
 708                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 709                         ip_entry->psrc = spec.rem_port;
 710                         ip_mask->psrc = PORT_FULL_MASK;
 711                 }
 712         } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 713             spec.ether_type == htons(ETH_P_IPV6) &&
 714             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 715             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 716             !(spec.match_flags &
 717               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 718                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 719                 EFX_FILTER_MATCH_IP_PROTO |
 720                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 721                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 722                                    TCP_V6_FLOW : UDP_V6_FLOW);
 723                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 724                         memcpy(ip6_entry->ip6dst, spec.loc_host,
 725                                sizeof(ip6_entry->ip6dst));
 726                         ip6_fill_mask(ip6_mask->ip6dst);
 727                 }
 728                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 729                         memcpy(ip6_entry->ip6src, spec.rem_host,
 730                                sizeof(ip6_entry->ip6src));
 731                         ip6_fill_mask(ip6_mask->ip6src);
 732                 }
 733                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 734                         ip6_entry->pdst = spec.loc_port;
 735                         ip6_mask->pdst = PORT_FULL_MASK;
 736                 }
 737                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 738                         ip6_entry->psrc = spec.rem_port;
 739                         ip6_mask->psrc = PORT_FULL_MASK;
 740                 }
 741         } else if (!(spec.match_flags &
 742                      ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
 743                        EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
 744                        EFX_FILTER_MATCH_OUTER_VID))) {
 745                 rule->flow_type = ETHER_FLOW;
 746                 if (spec.match_flags &
 747                     (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
 748                         ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
 749                         if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
 750                                 eth_broadcast_addr(mac_mask->h_dest);
 751                         else
 752                                 ether_addr_copy(mac_mask->h_dest,
 753                                                 mac_addr_ig_mask);
 754                 }
 755                 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
 756                         ether_addr_copy(mac_entry->h_source, spec.rem_mac);
 757                         eth_broadcast_addr(mac_mask->h_source);
 758                 }
 759                 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
 760                         mac_entry->h_proto = spec.ether_type;
 761                         mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
 762                 }
 763         } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
 764                    spec.ether_type == htons(ETH_P_IP) &&
 765                    !(spec.match_flags &
 766                      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 767                        EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 768                        EFX_FILTER_MATCH_IP_PROTO))) {
 769                 rule->flow_type = IPV4_USER_FLOW;
 770                 uip_entry->ip_ver = ETH_RX_NFC_IP4;
 771                 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
 772                         uip_mask->proto = IP_PROTO_FULL_MASK;
 773                         uip_entry->proto = spec.ip_proto;
 774                 }
 775                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 776                         uip_entry->ip4dst = spec.loc_host[0];
 777                         uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 778                 }
 779                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 780                         uip_entry->ip4src = spec.rem_host[0];
 781                         uip_mask->ip4src = IP4_ADDR_FULL_MASK;
 782                 }
 783         } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
 784                    spec.ether_type == htons(ETH_P_IPV6) &&
 785                    !(spec.match_flags &
 786                      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 787                        EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 788                        EFX_FILTER_MATCH_IP_PROTO))) {
 789                 rule->flow_type = IPV6_USER_FLOW;
 790                 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
 791                         uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
 792                         uip6_entry->l4_proto = spec.ip_proto;
 793                 }
 794                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 795                         memcpy(uip6_entry->ip6dst, spec.loc_host,
 796                                sizeof(uip6_entry->ip6dst));
 797                         ip6_fill_mask(uip6_mask->ip6dst);
 798                 }
 799                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 800                         memcpy(uip6_entry->ip6src, spec.rem_host,
 801                                sizeof(uip6_entry->ip6src));
 802                         ip6_fill_mask(uip6_mask->ip6src);
 803                 }
 804         } else {
 805                 /* The above should handle all filters that we insert */
 806                 WARN_ON(1);
 807                 return -EINVAL;
 808         }
 809
 810         if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
 811                 rule->flow_type |= FLOW_EXT;
 812                 rule->h_ext.vlan_tci = spec.outer_vid;
 813                 rule->m_ext.vlan_tci = htons(0xfff);
 814         }
 815
 816         if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
 817                 rule->flow_type |= FLOW_RSS;
 818                 *rss_context = spec.rss_context;
 819         }
 820
 821         return rc;
 822 }
 823
 824 int efx_ethtool_get_rxnfc(struct net_device *net_dev,
 825                           struct ethtool_rxnfc *info, u32 *rule_locs)
 826 {
 827         struct efx_nic *efx = netdev_priv(net_dev);
 828         u32 rss_context = 0;
 829         s32 rc = 0;
 830
 831         switch (info->cmd) {
 832         case ETHTOOL_GRXRINGS:
 833                 info->data = efx->n_rx_channels;
 834                 return 0;
 835
 836         case ETHTOOL_GRXFH: {
 837                 struct efx_rss_context *ctx = &efx->rss_context;
 838                 __u64 data;
 839
 840                 mutex_lock(&efx->rss_lock);
 841                 if (info->flow_type & FLOW_RSS && info->rss_context) {
 842                         ctx = efx_find_rss_context_entry(efx, info->rss_context);
 843                         if (!ctx) {
 844                                 rc = -ENOENT;
 845                                 goto out_unlock;
 846                         }
 847                 }
 848
 849                 data = 0;
 850                 if (!efx_rss_active(ctx)) /* No RSS */
 851                         goto out_setdata_unlock;
 852
 853                 switch (info->flow_type & ~FLOW_RSS) {
 854                 case UDP_V4_FLOW:
 855                 case UDP_V6_FLOW:
 856                         if (ctx->rx_hash_udp_4tuple)
 857                                 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
 858                                         RXH_IP_SRC | RXH_IP_DST);
 859                         else
 860                                 data = RXH_IP_SRC | RXH_IP_DST;
 861                         break;
 862                 case TCP_V4_FLOW:
 863                 case TCP_V6_FLOW:
 864                         data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
 865                                 RXH_IP_SRC | RXH_IP_DST);
 866                         break;
 867                 case SCTP_V4_FLOW:
 868                 case SCTP_V6_FLOW:
 869                 case AH_ESP_V4_FLOW:
 870                 case AH_ESP_V6_FLOW:
 871                 case IPV4_FLOW:
 872                 case IPV6_FLOW:
 873                         data = RXH_IP_SRC | RXH_IP_DST;
 874                         break;
 875                 default:
 876                         break;
 877                 }
 878 out_setdata_unlock:
 879                 info->data = data;
 880 out_unlock:
 881                 mutex_unlock(&efx->rss_lock);
 882                 return rc;
 883         }
 884
 885         case ETHTOOL_GRXCLSRLCNT:
 886                 info->data = efx_filter_get_rx_id_limit(efx);
 887                 if (info->data == 0)
 888                         return -EOPNOTSUPP;
 889                 info->data |= RX_CLS_LOC_SPECIAL;
 890                 info->rule_cnt =
 891                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 892                 return 0;
 893
 894         case ETHTOOL_GRXCLSRULE:
 895                 if (efx_filter_get_rx_id_limit(efx) == 0)
 896                         return -EOPNOTSUPP;
 897                 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
 898                 if (rc < 0)
 899                         return rc;
 900                 if (info->fs.flow_type & FLOW_RSS)
 901                         info->rss_context = rss_context;
 902                 return 0;
 903
 904         case ETHTOOL_GRXCLSRLALL:
 905                 info->data = efx_filter_get_rx_id_limit(efx);
 906                 if (info->data == 0)
 907                         return -EOPNOTSUPP;
 908                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 909                                            rule_locs, info->rule_cnt);
 910                 if (rc < 0)
 911                         return rc;
 912                 info->rule_cnt = rc;
 913                 return 0;
 914
 915         default:
 916                 return -EOPNOTSUPP;
 917         }
 918 }
 919
 920 static inline bool ip6_mask_is_full(__be32 mask[4])
 921 {
 922         return !~(mask[0] & mask[1] & mask[2] & mask[3]);
 923 }
 924
 925 static inline bool ip6_mask_is_empty(__be32 mask[4])
 926 {
 927         return !(mask[0] | mask[1] | mask[2] | mask[3]);
 928 }
 929
 930 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 931                                       struct ethtool_rx_flow_spec *rule,
 932                                       u32 rss_context)
 933 {
 934         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 935         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 936         struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
 937         struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
 938         struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
 939         struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
 940         struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
 941         struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
 942         u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
 943         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 944         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 945         enum efx_filter_flags flags = 0;
 946         struct efx_filter_spec spec;
 947         int rc;
 948
 949         /* Check that user wants us to choose the location */
 950         if (rule->location != RX_CLS_LOC_ANY)
 951                 return -EINVAL;
 952
 953         /* Range-check ring_cookie */
 954         if (rule->ring_cookie >= efx->n_rx_channels &&
 955             rule->ring_cookie != RX_CLS_FLOW_DISC)
 956                 return -EINVAL;
 957
 958         /* Check for unsupported extensions */
 959         if ((rule->flow_type & FLOW_EXT) &&
 960             (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
 961              rule->m_ext.data[1]))
 962                 return -EINVAL;
 963
 964         if (efx->rx_scatter)
 965                 flags |= EFX_FILTER_FLAG_RX_SCATTER;
 966         if (rule->flow_type & FLOW_RSS)
 967                 flags |= EFX_FILTER_FLAG_RX_RSS;
 968
 969         efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
 970                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 971                            EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
 972
 973         if (rule->flow_type & FLOW_RSS)
 974                 spec.rss_context = rss_context;
 975
 976         switch (flow_type) {
 977         case TCP_V4_FLOW:
 978         case UDP_V4_FLOW:
 979                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
 980                                     EFX_FILTER_MATCH_IP_PROTO);
 981                 spec.ether_type = htons(ETH_P_IP);
 982                 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
 983                                                          : IPPROTO_UDP;
 984                 if (ip_mask->ip4dst) {
 985                         if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
 986                                 return -EINVAL;
 987                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
 988                         spec.loc_host[0] = ip_entry->ip4dst;
 989                 }
 990                 if (ip_mask->ip4src) {
 991                         if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
 992                                 return -EINVAL;
 993                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
 994                         spec.rem_host[0] = ip_entry->ip4src;
 995                 }
 996                 if (ip_mask->pdst) {
 997                         if (ip_mask->pdst != PORT_FULL_MASK)
 998                                 return -EINVAL;
 999                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1000                         spec.loc_port = ip_entry->pdst;
1001                 }
1002                 if (ip_mask->psrc) {
1003                         if (ip_mask->psrc != PORT_FULL_MASK)
1004                                 return -EINVAL;
1005                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1006                         spec.rem_port = ip_entry->psrc;
1007                 }
1008                 if (ip_mask->tos)
1009                         return -EINVAL;
1010                 break;
1011
1012         case TCP_V6_FLOW:
1013         case UDP_V6_FLOW:
1014                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
1015                                     EFX_FILTER_MATCH_IP_PROTO);
1016                 spec.ether_type = htons(ETH_P_IPV6);
1017                 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
1018                                                          : IPPROTO_UDP;
1019                 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
1020                         if (!ip6_mask_is_full(ip6_mask->ip6dst))
1021                                 return -EINVAL;
1022                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1023                         memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
1024                 }
1025                 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
1026                         if (!ip6_mask_is_full(ip6_mask->ip6src))
1027                                 return -EINVAL;
1028                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1029                         memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
1030                 }
1031                 if (ip6_mask->pdst) {
1032                         if (ip6_mask->pdst != PORT_FULL_MASK)
1033                                 return -EINVAL;
1034                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1035                         spec.loc_port = ip6_entry->pdst;
1036                 }
1037                 if (ip6_mask->psrc) {
1038                         if (ip6_mask->psrc != PORT_FULL_MASK)
1039                                 return -EINVAL;
1040                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1041                         spec.rem_port = ip6_entry->psrc;
1042                 }
1043                 if (ip6_mask->tclass)
1044                         return -EINVAL;
1045                 break;
1046
1047         case IPV4_USER_FLOW:
1048                 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
1049                     uip_entry->ip_ver != ETH_RX_NFC_IP4)
1050                         return -EINVAL;
1051                 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1052                 spec.ether_type = htons(ETH_P_IP);
1053                 if (uip_mask->ip4dst) {
1054                         if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1055                                 return -EINVAL;
1056                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1057                         spec.loc_host[0] = uip_entry->ip4dst;
1058                 }
1059                 if (uip_mask->ip4src) {
1060                         if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
1061                                 return -EINVAL;
1062                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1063                         spec.rem_host[0] = uip_entry->ip4src;
1064                 }
1065                 if (uip_mask->proto) {
1066                         if (uip_mask->proto != IP_PROTO_FULL_MASK)
1067                                 return -EINVAL;
1068                         spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1069                         spec.ip_proto = uip_entry->proto;
1070                 }
1071                 break;
1072
1073         case IPV6_USER_FLOW:
1074                 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
1075                         return -EINVAL;
1076                 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1077                 spec.ether_type = htons(ETH_P_IPV6);
1078                 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
1079                         if (!ip6_mask_is_full(uip6_mask->ip6dst))
1080                                 return -EINVAL;
1081                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1082                         memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
1083                 }
1084                 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
1085                         if (!ip6_mask_is_full(uip6_mask->ip6src))
1086                                 return -EINVAL;
1087                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1088                         memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
1089                 }
1090                 if (uip6_mask->l4_proto) {
1091                         if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
1092                                 return -EINVAL;
1093                         spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1094                         spec.ip_proto = uip6_entry->l4_proto;
1095                 }
1096                 break;
1097
1098         case ETHER_FLOW:
1099                 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1100                         if (ether_addr_equal(mac_mask->h_dest,
1101                                              mac_addr_ig_mask))
1102                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1103                         else if (is_broadcast_ether_addr(mac_mask->h_dest))
1104                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1105                         else
1106                                 return -EINVAL;
1107                         ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
1108                 }
1109                 if (!is_zero_ether_addr(mac_mask->h_source)) {
1110                         if (!is_broadcast_ether_addr(mac_mask->h_source))
1111                                 return -EINVAL;
1112                         spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1113                         ether_addr_copy(spec.rem_mac, mac_entry->h_source);
1114                 }
1115                 if (mac_mask->h_proto) {
1116                         if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1117                                 return -EINVAL;
1118                         spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1119                         spec.ether_type = mac_entry->h_proto;
1120                 }
1121                 break;
1122
1123         default:
1124                 return -EINVAL;
1125         }
1126
1127         if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1128                 if (rule->m_ext.vlan_tci != htons(0xfff))
1129                         return -EINVAL;
1130                 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1131                 spec.outer_vid = rule->h_ext.vlan_tci;
1132         }
1133
1134         rc = efx_filter_insert_filter(efx, &spec, true);
1135         if (rc < 0)
1136                 return rc;
1137
1138         rule->location = rc;
1139         return 0;
1140 }
1141
1142 int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1143                           struct ethtool_rxnfc *info)
1144 {
1145         struct efx_nic *efx = netdev_priv(net_dev);
1146
1147         if (efx_filter_get_rx_id_limit(efx) == 0)
1148                 return -EOPNOTSUPP;
1149
1150         switch (info->cmd) {
1151         case ETHTOOL_SRXCLSRLINS:
1152                 return efx_ethtool_set_class_rule(efx, &info->fs,
1153                                                   info->rss_context);
1154
1155         case ETHTOOL_SRXCLSRLDEL:
1156                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1157                                                  info->fs.location);
1158
1159         default:
1160                 return -EOPNOTSUPP;
1161         }
1162 }
1163
1164 u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1165 {
1166         struct efx_nic *efx = netdev_priv(net_dev);
1167
1168         if (efx->n_rx_channels == 1)
1169                 return 0;
1170         return ARRAY_SIZE(efx->rss_context.rx_indir_table);
1171 }
1172
1173 u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
1174 {
1175         struct efx_nic *efx = netdev_priv(net_dev);
1176
1177         return efx->type->rx_hash_key_size;
1178 }
1179
1180 int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
1181                          u8 *hfunc)
1182 {
1183         struct efx_nic *efx = netdev_priv(net_dev);
1184         int rc;
1185
1186         rc = efx->type->rx_pull_rss_config(efx);
1187         if (rc)
1188                 return rc;
1189
1190         if (hfunc)
1191                 *hfunc = ETH_RSS_HASH_TOP;
1192         if (indir)
1193                 memcpy(indir, efx->rss_context.rx_indir_table,
1194                        sizeof(efx->rss_context.rx_indir_table));
1195         if (key)
1196                 memcpy(key, efx->rss_context.rx_hash_key,
1197                        efx->type->rx_hash_key_size);
1198         return 0;
1199 }
1200
1201 int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
1202                          const u8 *key, const u8 hfunc)
1203 {
1204         struct efx_nic *efx = netdev_priv(net_dev);
1205
1206         /* Hash function is Toeplitz, cannot be changed */
1207         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1208                 return -EOPNOTSUPP;
1209         if (!indir && !key)
1210                 return 0;
1211
1212         if (!key)
1213                 key = efx->rss_context.rx_hash_key;
1214         if (!indir)
1215                 indir = efx->rss_context.rx_indir_table;
1216
1217         return efx->type->rx_push_rss_config(efx, true, indir, key);
1218 }
1219
1220 int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
1221                                  u8 *key, u8 *hfunc, u32 rss_context)
1222 {
1223         struct efx_nic *efx = netdev_priv(net_dev);
1224         struct efx_rss_context *ctx;
1225         int rc = 0;
1226
1227         if (!efx->type->rx_pull_rss_context_config)
1228                 return -EOPNOTSUPP;
1229
1230         mutex_lock(&efx->rss_lock);
1231         ctx = efx_find_rss_context_entry(efx, rss_context);
1232         if (!ctx) {
1233                 rc = -ENOENT;
1234                 goto out_unlock;
1235         }
1236         rc = efx->type->rx_pull_rss_context_config(efx, ctx);
1237         if (rc)
1238                 goto out_unlock;
1239
1240         if (hfunc)
1241                 *hfunc = ETH_RSS_HASH_TOP;
1242         if (indir)
1243                 memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
1244         if (key)
1245                 memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
1246 out_unlock:
1247         mutex_unlock(&efx->rss_lock);
1248         return rc;
1249 }
1250
1251 int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
1252                                  const u32 *indir, const u8 *key,
1253                                  const u8 hfunc, u32 *rss_context,
1254                                  bool delete)
1255 {
1256         struct efx_nic *efx = netdev_priv(net_dev);
1257         struct efx_rss_context *ctx;
1258         bool allocated = false;
1259         int rc;
1260
1261         if (!efx->type->rx_push_rss_context_config)
1262                 return -EOPNOTSUPP;
1263         /* Hash function is Toeplitz, cannot be changed */
1264         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1265                 return -EOPNOTSUPP;
1266
1267         mutex_lock(&efx->rss_lock);
1268
1269         if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1270                 if (delete) {
1271                         /* alloc + delete == Nothing to do */
1272                         rc = -EINVAL;
1273                         goto out_unlock;
1274                 }
1275                 ctx = efx_alloc_rss_context_entry(efx);
1276                 if (!ctx) {
1277                         rc = -ENOMEM;
1278                         goto out_unlock;
1279                 }
1280                 ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
1281                 /* Initialise indir table and key to defaults */
1282                 efx_set_default_rx_indir_table(efx, ctx);
1283                 netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
1284                 allocated = true;
1285         } else {
1286                 ctx = efx_find_rss_context_entry(efx, *rss_context);
1287                 if (!ctx) {
1288                         rc = -ENOENT;
1289                         goto out_unlock;
1290                 }
1291         }
1292
1293         if (delete) {
1294                 /* delete this context */
1295                 rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
1296                 if (!rc)
1297                         efx_free_rss_context_entry(ctx);
1298                 goto out_unlock;
1299         }
1300
1301         if (!key)
1302                 key = ctx->rx_hash_key;
1303         if (!indir)
1304                 indir = ctx->rx_indir_table;
1305
1306         rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
1307         if (rc && allocated)
1308                 efx_free_rss_context_entry(ctx);
1309         else
1310                 *rss_context = ctx->user_id;
1311 out_unlock:
1312         mutex_unlock(&efx->rss_lock);
1313         return rc;
1314 }
1315
1316 int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
1317 {
1318         struct efx_nic *efx = netdev_priv(net_dev);
1319         int rc;
1320
1321         rc = efx->type->map_reset_flags(flags);
1322         if (rc < 0)
1323                 return rc;
1324
1325         return efx_reset(efx, rc);
1326 }
1327
1328 int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1329                                   struct ethtool_eeprom *ee,
1330                                   u8 *data)
1331 {
1332         struct efx_nic *efx = netdev_priv(net_dev);
1333         int ret;
1334
1335         if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1336                 return -EOPNOTSUPP;
1337
1338         mutex_lock(&efx->mac_lock);
1339         ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1340         mutex_unlock(&efx->mac_lock);
1341
1342         return ret;
1343 }
1344
1345 int efx_ethtool_get_module_info(struct net_device *net_dev,
1346                                 struct ethtool_modinfo *modinfo)
1347 {
1348         struct efx_nic *efx = netdev_priv(net_dev);
1349         int ret;
1350
1351         if (!efx->phy_op || !efx->phy_op->get_module_info)
1352                 return -EOPNOTSUPP;
1353
1354         mutex_lock(&efx->mac_lock);
1355         ret = efx->phy_op->get_module_info(efx, modinfo);
1356         mutex_unlock(&efx->mac_lock);
1357
1358         return ret;
1359 }