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 #include "mcdi_port_common.h"
  19
  20 struct efx_sw_stat_desc {
  21         const char *name;
  22         enum {
  23                 EFX_ETHTOOL_STAT_SOURCE_nic,
  24                 EFX_ETHTOOL_STAT_SOURCE_channel,
  25                 EFX_ETHTOOL_STAT_SOURCE_tx_queue
  26         } source;
  27         unsigned int offset;
  28         u64 (*get_stat)(void *field); /* Reader function */
  29 };
  30
  31 /* Initialiser for a struct efx_sw_stat_desc with type-checking */
  32 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
  33                                 get_stat_function) {                    \
  34         .name = #stat_name,                                             \
  35         .source = EFX_ETHTOOL_STAT_SOURCE_##source_name,                \
  36         .offset = ((((field_type *) 0) ==                               \
  37                       &((struct efx_##source_name *)0)->field) ?        \
  38                     offsetof(struct efx_##source_name, field) :         \
  39                     offsetof(struct efx_##source_name, field)),         \
  40         .get_stat = get_stat_function,                                  \
  41 }
  42
  43 static u64 efx_get_uint_stat(void *field)
  44 {
  45         return *(unsigned int *)field;
  46 }
  47
  48 static u64 efx_get_atomic_stat(void *field)
  49 {
  50         return atomic_read((atomic_t *) field);
  51 }
  52
  53 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field)                \
  54         EFX_ETHTOOL_STAT(field, nic, field,                     \
  55                          atomic_t, efx_get_atomic_stat)
  56
  57 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field)                    \
  58         EFX_ETHTOOL_STAT(field, channel, n_##field,             \
  59                          unsigned int, efx_get_uint_stat)
  60 #define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field)               \
  61         EFX_ETHTOOL_STAT(field, channel, field,                 \
  62                          unsigned int, efx_get_uint_stat)
  63
  64 #define EFX_ETHTOOL_UINT_TXQ_STAT(field)                        \
  65         EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,           \
  66                          unsigned int, efx_get_uint_stat)
  67
  68 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
  69         EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
  70         EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
  71         EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
  72         EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
  73         EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
  74         EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
  75         EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
  76         EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
  77         EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
  78         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
  79         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
  80         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
  81         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
  82         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
  83         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
  84         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
  85         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
  86         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
  87         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
  88         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
  89         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
  90         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops),
  91         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
  92         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
  93         EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
  94 #ifdef CONFIG_RFS_ACCEL
  95         EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
  96         EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
  97         EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
  98 #endif
  99 };
 100
 101 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
 102
 103 void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 104                              struct ethtool_drvinfo *info)
 105 {
 106         struct efx_nic *efx = netdev_priv(net_dev);
 107
 108         strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 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_mcdi_port_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         for (i = 0; true; ++i) {
 376                 const char *name;
 377
 378                 EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
 379                 name = efx_mcdi_phy_test_name(efx, i);
 380                 if (name == NULL)
 381                         break;
 382
 383                 efx_fill_test(n++, strings, data, &tests->phy_ext[i], "phy", 0, name, NULL);
 384         }
 385
 386         /* Loopback tests */
 387         for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
 388                 if (!(efx->loopback_modes & (1 << mode)))
 389                         continue;
 390                 n = efx_fill_loopback_test(efx,
 391                                            &tests->loopback[mode], mode, n,
 392                                            strings, data);
 393         }
 394
 395         return n;
 396 }
 397
 398 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
 399 {
 400         size_t n_stats = 0;
 401         struct efx_channel *channel;
 402
 403         efx_for_each_channel(channel, efx) {
 404                 if (efx_channel_has_tx_queues(channel)) {
 405                         n_stats++;
 406                         if (strings != NULL) {
 407                                 snprintf(strings, ETH_GSTRING_LEN,
 408                                          "tx-%u.tx_packets",
 409                                          channel->tx_queue[0].queue /
 410                                          EFX_MAX_TXQ_PER_CHANNEL);
 411
 412                                 strings += ETH_GSTRING_LEN;
 413                         }
 414                 }
 415         }
 416         efx_for_each_channel(channel, efx) {
 417                 if (efx_channel_has_rx_queue(channel)) {
 418                         n_stats++;
 419                         if (strings != NULL) {
 420                                 snprintf(strings, ETH_GSTRING_LEN,
 421                                          "rx-%d.rx_packets", channel->channel);
 422                                 strings += ETH_GSTRING_LEN;
 423                         }
 424                 }
 425         }
 426         if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
 427                 unsigned short xdp;
 428
 429                 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
 430                         n_stats++;
 431                         if (strings) {
 432                                 snprintf(strings, ETH_GSTRING_LEN,
 433                                          "tx-xdp-cpu-%hu.tx_packets", xdp);
 434                                 strings += ETH_GSTRING_LEN;
 435                         }
 436                 }
 437         }
 438
 439         return n_stats;
 440 }
 441
 442 int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set)
 443 {
 444         struct efx_nic *efx = netdev_priv(net_dev);
 445
 446         switch (string_set) {
 447         case ETH_SS_STATS:
 448                 return efx->type->describe_stats(efx, NULL) +
 449                        EFX_ETHTOOL_SW_STAT_COUNT +
 450                        efx_describe_per_queue_stats(efx, NULL) +
 451                        efx_ptp_describe_stats(efx, NULL);
 452         case ETH_SS_TEST:
 453                 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
 454         default:
 455                 return -EINVAL;
 456         }
 457 }
 458
 459 void efx_ethtool_get_strings(struct net_device *net_dev,
 460                              u32 string_set, u8 *strings)
 461 {
 462         struct efx_nic *efx = netdev_priv(net_dev);
 463         int i;
 464
 465         switch (string_set) {
 466         case ETH_SS_STATS:
 467                 strings += (efx->type->describe_stats(efx, strings) *
 468                             ETH_GSTRING_LEN);
 469                 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
 470                         strlcpy(strings + i * ETH_GSTRING_LEN,
 471                                 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
 472                 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
 473                 strings += (efx_describe_per_queue_stats(efx, strings) *
 474                             ETH_GSTRING_LEN);
 475                 efx_ptp_describe_stats(efx, strings);
 476                 break;
 477         case ETH_SS_TEST:
 478                 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
 479                 break;
 480         default:
 481                 /* No other string sets */
 482                 break;
 483         }
 484 }
 485
 486 void efx_ethtool_get_stats(struct net_device *net_dev,
 487                            struct ethtool_stats *stats,
 488                            u64 *data)
 489 {
 490         struct efx_nic *efx = netdev_priv(net_dev);
 491         const struct efx_sw_stat_desc *stat;
 492         struct efx_channel *channel;
 493         struct efx_tx_queue *tx_queue;
 494         struct efx_rx_queue *rx_queue;
 495         int i;
 496
 497         spin_lock_bh(&efx->stats_lock);
 498
 499         /* Get NIC statistics */
 500         data += efx->type->update_stats(efx, data, NULL);
 501
 502         /* Get software statistics */
 503         for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
 504                 stat = &efx_sw_stat_desc[i];
 505                 switch (stat->source) {
 506                 case EFX_ETHTOOL_STAT_SOURCE_nic:
 507                         data[i] = stat->get_stat((void *)efx + stat->offset);
 508                         break;
 509                 case EFX_ETHTOOL_STAT_SOURCE_channel:
 510                         data[i] = 0;
 511                         efx_for_each_channel(channel, efx)
 512                                 data[i] += stat->get_stat((void *)channel +
 513                                                           stat->offset);
 514                         break;
 515                 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
 516                         data[i] = 0;
 517                         efx_for_each_channel(channel, efx) {
 518                                 efx_for_each_channel_tx_queue(tx_queue, channel)
 519                                         data[i] +=
 520                                                 stat->get_stat((void *)tx_queue
 521                                                                + stat->offset);
 522                         }
 523                         break;
 524                 }
 525         }
 526         data += EFX_ETHTOOL_SW_STAT_COUNT;
 527
 528         spin_unlock_bh(&efx->stats_lock);
 529
 530         efx_for_each_channel(channel, efx) {
 531                 if (efx_channel_has_tx_queues(channel)) {
 532                         *data = 0;
 533                         efx_for_each_channel_tx_queue(tx_queue, channel) {
 534                                 *data += tx_queue->tx_packets;
 535                         }
 536                         data++;
 537                 }
 538         }
 539         efx_for_each_channel(channel, efx) {
 540                 if (efx_channel_has_rx_queue(channel)) {
 541                         *data = 0;
 542                         efx_for_each_channel_rx_queue(rx_queue, channel) {
 543                                 *data += rx_queue->rx_packets;
 544                         }
 545                         data++;
 546                 }
 547         }
 548         if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
 549                 int xdp;
 550
 551                 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
 552                         data[0] = efx->xdp_tx_queues[xdp]->tx_packets;
 553                         data++;
 554                 }
 555         }
 556
 557         efx_ptp_update_stats(efx, data);
 558 }
 559
 560 /* This must be called with rtnl_lock held. */
 561 int efx_ethtool_get_link_ksettings(struct net_device *net_dev,
 562                                    struct ethtool_link_ksettings *cmd)
 563 {
 564         struct efx_nic *efx = netdev_priv(net_dev);
 565         struct efx_link_state *link_state = &efx->link_state;
 566         u32 supported;
 567
 568         mutex_lock(&efx->mac_lock);
 569         efx_mcdi_phy_get_link_ksettings(efx, cmd);
 570         mutex_unlock(&efx->mac_lock);
 571
 572         /* Both MACs support pause frames (bidirectional and respond-only) */
 573         ethtool_convert_link_mode_to_legacy_u32(&supported,
 574                                                 cmd->link_modes.supported);
 575
 576         supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 577
 578         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 579                                                 supported);
 580
 581         if (LOOPBACK_INTERNAL(efx)) {
 582                 cmd->base.speed = link_state->speed;
 583                 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 584         }
 585
 586         return 0;
 587 }
 588
 589 /* This must be called with rtnl_lock held. */
 590 int efx_ethtool_set_link_ksettings(struct net_device *net_dev,
 591                                    const struct ethtool_link_ksettings *cmd)
 592 {
 593         struct efx_nic *efx = netdev_priv(net_dev);
 594         int rc;
 595
 596         /* GMAC does not support 1000Mbps HD */
 597         if ((cmd->base.speed == SPEED_1000) &&
 598             (cmd->base.duplex != DUPLEX_FULL)) {
 599                 netif_dbg(efx, drv, efx->net_dev,
 600                           "rejecting unsupported 1000Mbps HD setting\n");
 601                 return -EINVAL;
 602         }
 603
 604         mutex_lock(&efx->mac_lock);
 605         rc = efx_mcdi_phy_set_link_ksettings(efx, cmd);
 606         mutex_unlock(&efx->mac_lock);
 607         return rc;
 608 }
 609
 610 int efx_ethtool_get_fecparam(struct net_device *net_dev,
 611                              struct ethtool_fecparam *fecparam)
 612 {
 613         struct efx_nic *efx = netdev_priv(net_dev);
 614         int rc;
 615
 616         mutex_lock(&efx->mac_lock);
 617         rc = efx_mcdi_phy_get_fecparam(efx, fecparam);
 618         mutex_unlock(&efx->mac_lock);
 619
 620         return rc;
 621 }
 622
 623 int efx_ethtool_set_fecparam(struct net_device *net_dev,
 624                              struct ethtool_fecparam *fecparam)
 625 {
 626         struct efx_nic *efx = netdev_priv(net_dev);
 627         int rc;
 628
 629         mutex_lock(&efx->mac_lock);
 630         rc = efx_mcdi_phy_set_fecparam(efx, fecparam);
 631         mutex_unlock(&efx->mac_lock);
 632
 633         return rc;
 634 }
 635
 636 /* MAC address mask including only I/G bit */
 637 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
 638
 639 #define IP4_ADDR_FULL_MASK      ((__force __be32)~0)
 640 #define IP_PROTO_FULL_MASK      0xFF
 641 #define PORT_FULL_MASK          ((__force __be16)~0)
 642 #define ETHER_TYPE_FULL_MASK    ((__force __be16)~0)
 643
 644 static inline void ip6_fill_mask(__be32 *mask)
 645 {
 646         mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
 647 }
 648
 649 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
 650                                       struct ethtool_rx_flow_spec *rule,
 651                                       u32 *rss_context)
 652 {
 653         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 654         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 655         struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
 656         struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
 657         struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
 658         struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
 659         struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
 660         struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
 661         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 662         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 663         struct efx_filter_spec spec;
 664         int rc;
 665
 666         rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
 667                                         rule->location, &spec);
 668         if (rc)
 669                 return rc;
 670
 671         if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
 672                 rule->ring_cookie = RX_CLS_FLOW_DISC;
 673         else
 674                 rule->ring_cookie = spec.dmaq_id;
 675
 676         if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 677             spec.ether_type == htons(ETH_P_IP) &&
 678             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 679             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 680             !(spec.match_flags &
 681               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 682                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 683                 EFX_FILTER_MATCH_IP_PROTO |
 684                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 685                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 686                                    TCP_V4_FLOW : UDP_V4_FLOW);
 687                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 688                         ip_entry->ip4dst = spec.loc_host[0];
 689                         ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 690                 }
 691                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 692                         ip_entry->ip4src = spec.rem_host[0];
 693                         ip_mask->ip4src = IP4_ADDR_FULL_MASK;
 694                 }
 695                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 696                         ip_entry->pdst = spec.loc_port;
 697                         ip_mask->pdst = PORT_FULL_MASK;
 698                 }
 699                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 700                         ip_entry->psrc = spec.rem_port;
 701                         ip_mask->psrc = PORT_FULL_MASK;
 702                 }
 703         } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
 704             spec.ether_type == htons(ETH_P_IPV6) &&
 705             (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
 706             (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
 707             !(spec.match_flags &
 708               ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 709                 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 710                 EFX_FILTER_MATCH_IP_PROTO |
 711                 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
 712                 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
 713                                    TCP_V6_FLOW : UDP_V6_FLOW);
 714                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 715                         memcpy(ip6_entry->ip6dst, spec.loc_host,
 716                                sizeof(ip6_entry->ip6dst));
 717                         ip6_fill_mask(ip6_mask->ip6dst);
 718                 }
 719                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 720                         memcpy(ip6_entry->ip6src, spec.rem_host,
 721                                sizeof(ip6_entry->ip6src));
 722                         ip6_fill_mask(ip6_mask->ip6src);
 723                 }
 724                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
 725                         ip6_entry->pdst = spec.loc_port;
 726                         ip6_mask->pdst = PORT_FULL_MASK;
 727                 }
 728                 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
 729                         ip6_entry->psrc = spec.rem_port;
 730                         ip6_mask->psrc = PORT_FULL_MASK;
 731                 }
 732         } else if (!(spec.match_flags &
 733                      ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
 734                        EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
 735                        EFX_FILTER_MATCH_OUTER_VID))) {
 736                 rule->flow_type = ETHER_FLOW;
 737                 if (spec.match_flags &
 738                     (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
 739                         ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
 740                         if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
 741                                 eth_broadcast_addr(mac_mask->h_dest);
 742                         else
 743                                 ether_addr_copy(mac_mask->h_dest,
 744                                                 mac_addr_ig_mask);
 745                 }
 746                 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
 747                         ether_addr_copy(mac_entry->h_source, spec.rem_mac);
 748                         eth_broadcast_addr(mac_mask->h_source);
 749                 }
 750                 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
 751                         mac_entry->h_proto = spec.ether_type;
 752                         mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
 753                 }
 754         } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
 755                    spec.ether_type == htons(ETH_P_IP) &&
 756                    !(spec.match_flags &
 757                      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 758                        EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 759                        EFX_FILTER_MATCH_IP_PROTO))) {
 760                 rule->flow_type = IPV4_USER_FLOW;
 761                 uip_entry->ip_ver = ETH_RX_NFC_IP4;
 762                 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
 763                         uip_mask->proto = IP_PROTO_FULL_MASK;
 764                         uip_entry->proto = spec.ip_proto;
 765                 }
 766                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 767                         uip_entry->ip4dst = spec.loc_host[0];
 768                         uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
 769                 }
 770                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 771                         uip_entry->ip4src = spec.rem_host[0];
 772                         uip_mask->ip4src = IP4_ADDR_FULL_MASK;
 773                 }
 774         } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
 775                    spec.ether_type == htons(ETH_P_IPV6) &&
 776                    !(spec.match_flags &
 777                      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
 778                        EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
 779                        EFX_FILTER_MATCH_IP_PROTO))) {
 780                 rule->flow_type = IPV6_USER_FLOW;
 781                 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
 782                         uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
 783                         uip6_entry->l4_proto = spec.ip_proto;
 784                 }
 785                 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
 786                         memcpy(uip6_entry->ip6dst, spec.loc_host,
 787                                sizeof(uip6_entry->ip6dst));
 788                         ip6_fill_mask(uip6_mask->ip6dst);
 789                 }
 790                 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
 791                         memcpy(uip6_entry->ip6src, spec.rem_host,
 792                                sizeof(uip6_entry->ip6src));
 793                         ip6_fill_mask(uip6_mask->ip6src);
 794                 }
 795         } else {
 796                 /* The above should handle all filters that we insert */
 797                 WARN_ON(1);
 798                 return -EINVAL;
 799         }
 800
 801         if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
 802                 rule->flow_type |= FLOW_EXT;
 803                 rule->h_ext.vlan_tci = spec.outer_vid;
 804                 rule->m_ext.vlan_tci = htons(0xfff);
 805         }
 806
 807         if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
 808                 rule->flow_type |= FLOW_RSS;
 809                 *rss_context = spec.rss_context;
 810         }
 811
 812         return rc;
 813 }
 814
 815 int efx_ethtool_get_rxnfc(struct net_device *net_dev,
 816                           struct ethtool_rxnfc *info, u32 *rule_locs)
 817 {
 818         struct efx_nic *efx = netdev_priv(net_dev);
 819         u32 rss_context = 0;
 820         s32 rc = 0;
 821
 822         switch (info->cmd) {
 823         case ETHTOOL_GRXRINGS:
 824                 info->data = efx->n_rx_channels;
 825                 return 0;
 826
 827         case ETHTOOL_GRXFH: {
 828                 struct efx_rss_context *ctx = &efx->rss_context;
 829                 __u64 data;
 830
 831                 mutex_lock(&efx->rss_lock);
 832                 if (info->flow_type & FLOW_RSS && info->rss_context) {
 833                         ctx = efx_find_rss_context_entry(efx, info->rss_context);
 834                         if (!ctx) {
 835                                 rc = -ENOENT;
 836                                 goto out_unlock;
 837                         }
 838                 }
 839
 840                 data = 0;
 841                 if (!efx_rss_active(ctx)) /* No RSS */
 842                         goto out_setdata_unlock;
 843
 844                 switch (info->flow_type & ~FLOW_RSS) {
 845                 case UDP_V4_FLOW:
 846                 case UDP_V6_FLOW:
 847                         if (ctx->rx_hash_udp_4tuple)
 848                                 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
 849                                         RXH_IP_SRC | RXH_IP_DST);
 850                         else
 851                                 data = RXH_IP_SRC | RXH_IP_DST;
 852                         break;
 853                 case TCP_V4_FLOW:
 854                 case TCP_V6_FLOW:
 855                         data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
 856                                 RXH_IP_SRC | RXH_IP_DST);
 857                         break;
 858                 case SCTP_V4_FLOW:
 859                 case SCTP_V6_FLOW:
 860                 case AH_ESP_V4_FLOW:
 861                 case AH_ESP_V6_FLOW:
 862                 case IPV4_FLOW:
 863                 case IPV6_FLOW:
 864                         data = RXH_IP_SRC | RXH_IP_DST;
 865                         break;
 866                 default:
 867                         break;
 868                 }
 869 out_setdata_unlock:
 870                 info->data = data;
 871 out_unlock:
 872                 mutex_unlock(&efx->rss_lock);
 873                 return rc;
 874         }
 875
 876         case ETHTOOL_GRXCLSRLCNT:
 877                 info->data = efx_filter_get_rx_id_limit(efx);
 878                 if (info->data == 0)
 879                         return -EOPNOTSUPP;
 880                 info->data |= RX_CLS_LOC_SPECIAL;
 881                 info->rule_cnt =
 882                         efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
 883                 return 0;
 884
 885         case ETHTOOL_GRXCLSRULE:
 886                 if (efx_filter_get_rx_id_limit(efx) == 0)
 887                         return -EOPNOTSUPP;
 888                 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
 889                 if (rc < 0)
 890                         return rc;
 891                 if (info->fs.flow_type & FLOW_RSS)
 892                         info->rss_context = rss_context;
 893                 return 0;
 894
 895         case ETHTOOL_GRXCLSRLALL:
 896                 info->data = efx_filter_get_rx_id_limit(efx);
 897                 if (info->data == 0)
 898                         return -EOPNOTSUPP;
 899                 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
 900                                            rule_locs, info->rule_cnt);
 901                 if (rc < 0)
 902                         return rc;
 903                 info->rule_cnt = rc;
 904                 return 0;
 905
 906         default:
 907                 return -EOPNOTSUPP;
 908         }
 909 }
 910
 911 static inline bool ip6_mask_is_full(__be32 mask[4])
 912 {
 913         return !~(mask[0] & mask[1] & mask[2] & mask[3]);
 914 }
 915
 916 static inline bool ip6_mask_is_empty(__be32 mask[4])
 917 {
 918         return !(mask[0] | mask[1] | mask[2] | mask[3]);
 919 }
 920
 921 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
 922                                       struct ethtool_rx_flow_spec *rule,
 923                                       u32 rss_context)
 924 {
 925         struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
 926         struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
 927         struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
 928         struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
 929         struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
 930         struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
 931         struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
 932         struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
 933         u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
 934         struct ethhdr *mac_entry = &rule->h_u.ether_spec;
 935         struct ethhdr *mac_mask = &rule->m_u.ether_spec;
 936         enum efx_filter_flags flags = 0;
 937         struct efx_filter_spec spec;
 938         int rc;
 939
 940         /* Check that user wants us to choose the location */
 941         if (rule->location != RX_CLS_LOC_ANY)
 942                 return -EINVAL;
 943
 944         /* Range-check ring_cookie */
 945         if (rule->ring_cookie >= efx->n_rx_channels &&
 946             rule->ring_cookie != RX_CLS_FLOW_DISC)
 947                 return -EINVAL;
 948
 949         /* Check for unsupported extensions */
 950         if ((rule->flow_type & FLOW_EXT) &&
 951             (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
 952              rule->m_ext.data[1]))
 953                 return -EINVAL;
 954
 955         if (efx->rx_scatter)
 956                 flags |= EFX_FILTER_FLAG_RX_SCATTER;
 957         if (rule->flow_type & FLOW_RSS)
 958                 flags |= EFX_FILTER_FLAG_RX_RSS;
 959
 960         efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
 961                            (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
 962                            EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
 963
 964         if (rule->flow_type & FLOW_RSS)
 965                 spec.rss_context = rss_context;
 966
 967         switch (flow_type) {
 968         case TCP_V4_FLOW:
 969         case UDP_V4_FLOW:
 970                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
 971                                     EFX_FILTER_MATCH_IP_PROTO);
 972                 spec.ether_type = htons(ETH_P_IP);
 973                 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
 974                                                          : IPPROTO_UDP;
 975                 if (ip_mask->ip4dst) {
 976                         if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
 977                                 return -EINVAL;
 978                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
 979                         spec.loc_host[0] = ip_entry->ip4dst;
 980                 }
 981                 if (ip_mask->ip4src) {
 982                         if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
 983                                 return -EINVAL;
 984                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
 985                         spec.rem_host[0] = ip_entry->ip4src;
 986                 }
 987                 if (ip_mask->pdst) {
 988                         if (ip_mask->pdst != PORT_FULL_MASK)
 989                                 return -EINVAL;
 990                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
 991                         spec.loc_port = ip_entry->pdst;
 992                 }
 993                 if (ip_mask->psrc) {
 994                         if (ip_mask->psrc != PORT_FULL_MASK)
 995                                 return -EINVAL;
 996                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
 997                         spec.rem_port = ip_entry->psrc;
 998                 }
 999                 if (ip_mask->tos)
1000                         return -EINVAL;
1001                 break;
1002
1003         case TCP_V6_FLOW:
1004         case UDP_V6_FLOW:
1005                 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
1006                                     EFX_FILTER_MATCH_IP_PROTO);
1007                 spec.ether_type = htons(ETH_P_IPV6);
1008                 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
1009                                                          : IPPROTO_UDP;
1010                 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
1011                         if (!ip6_mask_is_full(ip6_mask->ip6dst))
1012                                 return -EINVAL;
1013                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1014                         memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
1015                 }
1016                 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
1017                         if (!ip6_mask_is_full(ip6_mask->ip6src))
1018                                 return -EINVAL;
1019                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1020                         memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
1021                 }
1022                 if (ip6_mask->pdst) {
1023                         if (ip6_mask->pdst != PORT_FULL_MASK)
1024                                 return -EINVAL;
1025                         spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1026                         spec.loc_port = ip6_entry->pdst;
1027                 }
1028                 if (ip6_mask->psrc) {
1029                         if (ip6_mask->psrc != PORT_FULL_MASK)
1030                                 return -EINVAL;
1031                         spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1032                         spec.rem_port = ip6_entry->psrc;
1033                 }
1034                 if (ip6_mask->tclass)
1035                         return -EINVAL;
1036                 break;
1037
1038         case IPV4_USER_FLOW:
1039                 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
1040                     uip_entry->ip_ver != ETH_RX_NFC_IP4)
1041                         return -EINVAL;
1042                 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1043                 spec.ether_type = htons(ETH_P_IP);
1044                 if (uip_mask->ip4dst) {
1045                         if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1046                                 return -EINVAL;
1047                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1048                         spec.loc_host[0] = uip_entry->ip4dst;
1049                 }
1050                 if (uip_mask->ip4src) {
1051                         if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
1052                                 return -EINVAL;
1053                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1054                         spec.rem_host[0] = uip_entry->ip4src;
1055                 }
1056                 if (uip_mask->proto) {
1057                         if (uip_mask->proto != IP_PROTO_FULL_MASK)
1058                                 return -EINVAL;
1059                         spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1060                         spec.ip_proto = uip_entry->proto;
1061                 }
1062                 break;
1063
1064         case IPV6_USER_FLOW:
1065                 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
1066                         return -EINVAL;
1067                 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1068                 spec.ether_type = htons(ETH_P_IPV6);
1069                 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
1070                         if (!ip6_mask_is_full(uip6_mask->ip6dst))
1071                                 return -EINVAL;
1072                         spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1073                         memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
1074                 }
1075                 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
1076                         if (!ip6_mask_is_full(uip6_mask->ip6src))
1077                                 return -EINVAL;
1078                         spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1079                         memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
1080                 }
1081                 if (uip6_mask->l4_proto) {
1082                         if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
1083                                 return -EINVAL;
1084                         spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1085                         spec.ip_proto = uip6_entry->l4_proto;
1086                 }
1087                 break;
1088
1089         case ETHER_FLOW:
1090                 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1091                         if (ether_addr_equal(mac_mask->h_dest,
1092                                              mac_addr_ig_mask))
1093                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1094                         else if (is_broadcast_ether_addr(mac_mask->h_dest))
1095                                 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1096                         else
1097                                 return -EINVAL;
1098                         ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
1099                 }
1100                 if (!is_zero_ether_addr(mac_mask->h_source)) {
1101                         if (!is_broadcast_ether_addr(mac_mask->h_source))
1102                                 return -EINVAL;
1103                         spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1104                         ether_addr_copy(spec.rem_mac, mac_entry->h_source);
1105                 }
1106                 if (mac_mask->h_proto) {
1107                         if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1108                                 return -EINVAL;
1109                         spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1110                         spec.ether_type = mac_entry->h_proto;
1111                 }
1112                 break;
1113
1114         default:
1115                 return -EINVAL;
1116         }
1117
1118         if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1119                 if (rule->m_ext.vlan_tci != htons(0xfff))
1120                         return -EINVAL;
1121                 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1122                 spec.outer_vid = rule->h_ext.vlan_tci;
1123         }
1124
1125         rc = efx_filter_insert_filter(efx, &spec, true);
1126         if (rc < 0)
1127                 return rc;
1128
1129         rule->location = rc;
1130         return 0;
1131 }
1132
1133 int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1134                           struct ethtool_rxnfc *info)
1135 {
1136         struct efx_nic *efx = netdev_priv(net_dev);
1137
1138         if (efx_filter_get_rx_id_limit(efx) == 0)
1139                 return -EOPNOTSUPP;
1140
1141         switch (info->cmd) {
1142         case ETHTOOL_SRXCLSRLINS:
1143                 return efx_ethtool_set_class_rule(efx, &info->fs,
1144                                                   info->rss_context);
1145
1146         case ETHTOOL_SRXCLSRLDEL:
1147                 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1148                                                  info->fs.location);
1149
1150         default:
1151                 return -EOPNOTSUPP;
1152         }
1153 }
1154
1155 u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1156 {
1157         struct efx_nic *efx = netdev_priv(net_dev);
1158
1159         if (efx->n_rx_channels == 1)
1160                 return 0;
1161         return ARRAY_SIZE(efx->rss_context.rx_indir_table);
1162 }
1163
1164 u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
1165 {
1166         struct efx_nic *efx = netdev_priv(net_dev);
1167
1168         return efx->type->rx_hash_key_size;
1169 }
1170
1171 int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
1172                          u8 *hfunc)
1173 {
1174         struct efx_nic *efx = netdev_priv(net_dev);
1175         int rc;
1176
1177         rc = efx->type->rx_pull_rss_config(efx);
1178         if (rc)
1179                 return rc;
1180
1181         if (hfunc)
1182                 *hfunc = ETH_RSS_HASH_TOP;
1183         if (indir)
1184                 memcpy(indir, efx->rss_context.rx_indir_table,
1185                        sizeof(efx->rss_context.rx_indir_table));
1186         if (key)
1187                 memcpy(key, efx->rss_context.rx_hash_key,
1188                        efx->type->rx_hash_key_size);
1189         return 0;
1190 }
1191
1192 int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
1193                          const u8 *key, const u8 hfunc)
1194 {
1195         struct efx_nic *efx = netdev_priv(net_dev);
1196
1197         /* Hash function is Toeplitz, cannot be changed */
1198         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1199                 return -EOPNOTSUPP;
1200         if (!indir && !key)
1201                 return 0;
1202
1203         if (!key)
1204                 key = efx->rss_context.rx_hash_key;
1205         if (!indir)
1206                 indir = efx->rss_context.rx_indir_table;
1207
1208         return efx->type->rx_push_rss_config(efx, true, indir, key);
1209 }
1210
1211 int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
1212                                  u8 *key, u8 *hfunc, u32 rss_context)
1213 {
1214         struct efx_nic *efx = netdev_priv(net_dev);
1215         struct efx_rss_context *ctx;
1216         int rc = 0;
1217
1218         if (!efx->type->rx_pull_rss_context_config)
1219                 return -EOPNOTSUPP;
1220
1221         mutex_lock(&efx->rss_lock);
1222         ctx = efx_find_rss_context_entry(efx, rss_context);
1223         if (!ctx) {
1224                 rc = -ENOENT;
1225                 goto out_unlock;
1226         }
1227         rc = efx->type->rx_pull_rss_context_config(efx, ctx);
1228         if (rc)
1229                 goto out_unlock;
1230
1231         if (hfunc)
1232                 *hfunc = ETH_RSS_HASH_TOP;
1233         if (indir)
1234                 memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
1235         if (key)
1236                 memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
1237 out_unlock:
1238         mutex_unlock(&efx->rss_lock);
1239         return rc;
1240 }
1241
1242 int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
1243                                  const u32 *indir, const u8 *key,
1244                                  const u8 hfunc, u32 *rss_context,
1245                                  bool delete)
1246 {
1247         struct efx_nic *efx = netdev_priv(net_dev);
1248         struct efx_rss_context *ctx;
1249         bool allocated = false;
1250         int rc;
1251
1252         if (!efx->type->rx_push_rss_context_config)
1253                 return -EOPNOTSUPP;
1254         /* Hash function is Toeplitz, cannot be changed */
1255         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1256                 return -EOPNOTSUPP;
1257
1258         mutex_lock(&efx->rss_lock);
1259
1260         if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1261                 if (delete) {
1262                         /* alloc + delete == Nothing to do */
1263                         rc = -EINVAL;
1264                         goto out_unlock;
1265                 }
1266                 ctx = efx_alloc_rss_context_entry(efx);
1267                 if (!ctx) {
1268                         rc = -ENOMEM;
1269                         goto out_unlock;
1270                 }
1271                 ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
1272                 /* Initialise indir table and key to defaults */
1273                 efx_set_default_rx_indir_table(efx, ctx);
1274                 netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
1275                 allocated = true;
1276         } else {
1277                 ctx = efx_find_rss_context_entry(efx, *rss_context);
1278                 if (!ctx) {
1279                         rc = -ENOENT;
1280                         goto out_unlock;
1281                 }
1282         }
1283
1284         if (delete) {
1285                 /* delete this context */
1286                 rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
1287                 if (!rc)
1288                         efx_free_rss_context_entry(ctx);
1289                 goto out_unlock;
1290         }
1291
1292         if (!key)
1293                 key = ctx->rx_hash_key;
1294         if (!indir)
1295                 indir = ctx->rx_indir_table;
1296
1297         rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
1298         if (rc && allocated)
1299                 efx_free_rss_context_entry(ctx);
1300         else
1301                 *rss_context = ctx->user_id;
1302 out_unlock:
1303         mutex_unlock(&efx->rss_lock);
1304         return rc;
1305 }
1306
1307 int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
1308 {
1309         struct efx_nic *efx = netdev_priv(net_dev);
1310         int rc;
1311
1312         rc = efx->type->map_reset_flags(flags);
1313         if (rc < 0)
1314                 return rc;
1315
1316         return efx_reset(efx, rc);
1317 }
1318
1319 int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1320                                   struct ethtool_eeprom *ee,
1321                                   u8 *data)
1322 {
1323         struct efx_nic *efx = netdev_priv(net_dev);
1324         int ret;
1325
1326         mutex_lock(&efx->mac_lock);
1327         ret = efx_mcdi_phy_get_module_eeprom(efx, ee, data);
1328         mutex_unlock(&efx->mac_lock);
1329
1330         return ret;
1331 }
1332
1333 int efx_ethtool_get_module_info(struct net_device *net_dev,
1334                                 struct ethtool_modinfo *modinfo)
1335 {
1336         struct efx_nic *efx = netdev_priv(net_dev);
1337         int ret;
1338
1339         mutex_lock(&efx->mac_lock);
1340         ret = efx_mcdi_phy_get_module_info(efx, modinfo);
1341         mutex_unlock(&efx->mac_lock);
1342
1343         return ret;
1344 }