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