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