drivers/net/sfc/sfc_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  * Copyright(c) 2019-2021 Xilinx, Inc.
   4  * Copyright(c) 2016-2019 Solarflare Communications Inc.
   5  *
   6  * This software was jointly developed between OKTET Labs (under contract
   7  * for Solarflare) and Solarflare Communications, Inc.
   8  */
   9
  10 #include <rte_dev.h>
  11 #include <ethdev_driver.h>
  12 #include <ethdev_pci.h>
  13 #include <rte_pci.h>
  14 #include <rte_bus_pci.h>
  15 #include <rte_errno.h>
  16 #include <rte_string_fns.h>
  17 #include <rte_ether.h>
  18
  19 #include "efx.h"
  20
  21 #include "sfc.h"
  22 #include "sfc_debug.h"
  23 #include "sfc_log.h"
  24 #include "sfc_kvargs.h"
  25 #include "sfc_ev.h"
  26 #include "sfc_rx.h"
  27 #include "sfc_tx.h"
  28 #include "sfc_flow.h"
  29 #include "sfc_dp.h"
  30 #include "sfc_dp_rx.h"
  31
  32 uint32_t sfc_logtype_driver;
  33
  34 static struct sfc_dp_list sfc_dp_head =
  35         TAILQ_HEAD_INITIALIZER(sfc_dp_head);
  36
  37
  38 static void sfc_eth_dev_clear_ops(struct rte_eth_dev *dev);
  39
  40
  41 static int
  42 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
  43 {
  44         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
  45         efx_nic_fw_info_t enfi;
  46         int ret;
  47         int rc;
  48
  49         rc = efx_nic_get_fw_version(sa->nic, &enfi);
  50         if (rc != 0)
  51                 return -rc;
  52
  53         ret = snprintf(fw_version, fw_size,
  54                        "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
  55                        enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
  56                        enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
  57         if (ret < 0)
  58                 return ret;
  59
  60         if (enfi.enfi_dpcpu_fw_ids_valid) {
  61                 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
  62                 int ret_extra;
  63
  64                 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
  65                                      fw_size - dpcpu_fw_ids_offset,
  66                                      " rx%" PRIx16 " tx%" PRIx16,
  67                                      enfi.enfi_rx_dpcpu_fw_id,
  68                                      enfi.enfi_tx_dpcpu_fw_id);
  69                 if (ret_extra < 0)
  70                         return ret_extra;
  71
  72                 ret += ret_extra;
  73         }
  74
  75         if (fw_size < (size_t)(++ret))
  76                 return ret;
  77         else
  78                 return 0;
  79 }
  80
  81 static int
  82 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
  83 {
  84         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
  85         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
  86         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
  87         struct sfc_rss *rss = &sas->rss;
  88         struct sfc_mae *mae = &sa->mae;
  89         uint64_t txq_offloads_def = 0;
  90
  91         sfc_log_init(sa, "entry");
  92
  93         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
  94         dev_info->max_mtu = EFX_MAC_SDU_MAX;
  95
  96         dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
  97
  98         dev_info->max_vfs = sa->sriov.num_vfs;
  99
 100         /* Autonegotiation may be disabled */
 101         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 102         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_1000FDX))
 103                 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
 104         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_10000FDX))
 105                 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
 106         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_25000FDX))
 107                 dev_info->speed_capa |= ETH_LINK_SPEED_25G;
 108         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_40000FDX))
 109                 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
 110         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_50000FDX))
 111                 dev_info->speed_capa |= ETH_LINK_SPEED_50G;
 112         if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_100000FDX))
 113                 dev_info->speed_capa |= ETH_LINK_SPEED_100G;
 114
 115         dev_info->max_rx_queues = sa->rxq_max;
 116         dev_info->max_tx_queues = sa->txq_max;
 117
 118         /* By default packets are dropped if no descriptors are available */
 119         dev_info->default_rxconf.rx_drop_en = 1;
 120
 121         dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
 122
 123         /*
 124          * rx_offload_capa includes both device and queue offloads since
 125          * the latter may be requested on a per device basis which makes
 126          * sense when some offloads are needed to be set on all queues.
 127          */
 128         dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
 129                                     dev_info->rx_queue_offload_capa;
 130
 131         dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
 132
 133         /*
 134          * tx_offload_capa includes both device and queue offloads since
 135          * the latter may be requested on a per device basis which makes
 136          * sense when some offloads are needed to be set on all queues.
 137          */
 138         dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
 139                                     dev_info->tx_queue_offload_capa;
 140
 141         if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 142                 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 143
 144         dev_info->default_txconf.offloads |= txq_offloads_def;
 145
 146         if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) {
 147                 uint64_t rte_hf = 0;
 148                 unsigned int i;
 149
 150                 for (i = 0; i < rss->hf_map_nb_entries; ++i)
 151                         rte_hf |= rss->hf_map[i].rte;
 152
 153                 dev_info->reta_size = EFX_RSS_TBL_SIZE;
 154                 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
 155                 dev_info->flow_type_rss_offloads = rte_hf;
 156         }
 157
 158         /* Initialize to hardware limits */
 159         dev_info->rx_desc_lim.nb_max = sa->rxq_max_entries;
 160         dev_info->rx_desc_lim.nb_min = sa->rxq_min_entries;
 161         /* The RXQ hardware requires that the descriptor count is a power
 162          * of 2, but rx_desc_lim cannot properly describe that constraint.
 163          */
 164         dev_info->rx_desc_lim.nb_align = sa->rxq_min_entries;
 165
 166         /* Initialize to hardware limits */
 167         dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
 168         dev_info->tx_desc_lim.nb_min = sa->txq_min_entries;
 169         /*
 170          * The TXQ hardware requires that the descriptor count is a power
 171          * of 2, but tx_desc_lim cannot properly describe that constraint
 172          */
 173         dev_info->tx_desc_lim.nb_align = sa->txq_min_entries;
 174
 175         if (sap->dp_rx->get_dev_info != NULL)
 176                 sap->dp_rx->get_dev_info(dev_info);
 177         if (sap->dp_tx->get_dev_info != NULL)
 178                 sap->dp_tx->get_dev_info(dev_info);
 179
 180         dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
 181                              RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
 182
 183         if (mae->status == SFC_MAE_STATUS_SUPPORTED) {
 184                 dev_info->switch_info.name = dev->device->driver->name;
 185                 dev_info->switch_info.domain_id = mae->switch_domain_id;
 186                 dev_info->switch_info.port_id = mae->switch_port_id;
 187         }
 188
 189         return 0;
 190 }
 191
 192 static const uint32_t *
 193 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 194 {
 195         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
 196
 197         return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps);
 198 }
 199
 200 static int
 201 sfc_dev_configure(struct rte_eth_dev *dev)
 202 {
 203         struct rte_eth_dev_data *dev_data = dev->data;
 204         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 205         int rc;
 206
 207         sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
 208                      dev_data->nb_rx_queues, dev_data->nb_tx_queues);
 209
 210         sfc_adapter_lock(sa);
 211         switch (sa->state) {
 212         case SFC_ADAPTER_CONFIGURED:
 213                 /* FALLTHROUGH */
 214         case SFC_ADAPTER_INITIALIZED:
 215                 rc = sfc_configure(sa);
 216                 break;
 217         default:
 218                 sfc_err(sa, "unexpected adapter state %u to configure",
 219                         sa->state);
 220                 rc = EINVAL;
 221                 break;
 222         }
 223         sfc_adapter_unlock(sa);
 224
 225         sfc_log_init(sa, "done %d", rc);
 226         SFC_ASSERT(rc >= 0);
 227         return -rc;
 228 }
 229
 230 static int
 231 sfc_dev_start(struct rte_eth_dev *dev)
 232 {
 233         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 234         int rc;
 235
 236         sfc_log_init(sa, "entry");
 237
 238         sfc_adapter_lock(sa);
 239         rc = sfc_start(sa);
 240         sfc_adapter_unlock(sa);
 241
 242         sfc_log_init(sa, "done %d", rc);
 243         SFC_ASSERT(rc >= 0);
 244         return -rc;
 245 }
 246
 247 static int
 248 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
 249 {
 250         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 251         struct rte_eth_link current_link;
 252         int ret;
 253
 254         sfc_log_init(sa, "entry");
 255
 256         if (sa->state != SFC_ADAPTER_STARTED) {
 257                 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, &current_link);
 258         } else if (wait_to_complete) {
 259                 efx_link_mode_t link_mode;
 260
 261                 if (efx_port_poll(sa->nic, &link_mode) != 0)
 262                         link_mode = EFX_LINK_UNKNOWN;
 263                 sfc_port_link_mode_to_info(link_mode, &current_link);
 264
 265         } else {
 266                 sfc_ev_mgmt_qpoll(sa);
 267                 rte_eth_linkstatus_get(dev, &current_link);
 268         }
 269
 270         ret = rte_eth_linkstatus_set(dev, &current_link);
 271         if (ret == 0)
 272                 sfc_notice(sa, "Link status is %s",
 273                            current_link.link_status ? "UP" : "DOWN");
 274
 275         return ret;
 276 }
 277
 278 static int
 279 sfc_dev_stop(struct rte_eth_dev *dev)
 280 {
 281         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 282
 283         sfc_log_init(sa, "entry");
 284
 285         sfc_adapter_lock(sa);
 286         sfc_stop(sa);
 287         sfc_adapter_unlock(sa);
 288
 289         sfc_log_init(sa, "done");
 290
 291         return 0;
 292 }
 293
 294 static int
 295 sfc_dev_set_link_up(struct rte_eth_dev *dev)
 296 {
 297         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 298         int rc;
 299
 300         sfc_log_init(sa, "entry");
 301
 302         sfc_adapter_lock(sa);
 303         rc = sfc_start(sa);
 304         sfc_adapter_unlock(sa);
 305
 306         SFC_ASSERT(rc >= 0);
 307         return -rc;
 308 }
 309
 310 static int
 311 sfc_dev_set_link_down(struct rte_eth_dev *dev)
 312 {
 313         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 314
 315         sfc_log_init(sa, "entry");
 316
 317         sfc_adapter_lock(sa);
 318         sfc_stop(sa);
 319         sfc_adapter_unlock(sa);
 320
 321         return 0;
 322 }
 323
 324 static void
 325 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
 326 {
 327         free(dev->process_private);
 328         rte_eth_dev_release_port(dev);
 329 }
 330
 331 static int
 332 sfc_dev_close(struct rte_eth_dev *dev)
 333 {
 334         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 335
 336         sfc_log_init(sa, "entry");
 337
 338         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 339                 sfc_eth_dev_secondary_clear_ops(dev);
 340                 return 0;
 341         }
 342
 343         sfc_adapter_lock(sa);
 344         switch (sa->state) {
 345         case SFC_ADAPTER_STARTED:
 346                 sfc_stop(sa);
 347                 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
 348                 /* FALLTHROUGH */
 349         case SFC_ADAPTER_CONFIGURED:
 350                 sfc_close(sa);
 351                 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
 352                 /* FALLTHROUGH */
 353         case SFC_ADAPTER_INITIALIZED:
 354                 break;
 355         default:
 356                 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
 357                 break;
 358         }
 359
 360         /*
 361          * Cleanup all resources.
 362          * Rollback primary process sfc_eth_dev_init() below.
 363          */
 364
 365         sfc_eth_dev_clear_ops(dev);
 366
 367         sfc_detach(sa);
 368         sfc_unprobe(sa);
 369
 370         sfc_kvargs_cleanup(sa);
 371
 372         sfc_adapter_unlock(sa);
 373         sfc_adapter_lock_fini(sa);
 374
 375         sfc_log_init(sa, "done");
 376
 377         /* Required for logging, so cleanup last */
 378         sa->eth_dev = NULL;
 379
 380         free(sa);
 381
 382         return 0;
 383 }
 384
 385 static int
 386 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
 387                    boolean_t enabled)
 388 {
 389         struct sfc_port *port;
 390         boolean_t *toggle;
 391         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 392         boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
 393         const char *desc = (allmulti) ? "all-multi" : "promiscuous";
 394         int rc = 0;
 395
 396         sfc_adapter_lock(sa);
 397
 398         port = &sa->port;
 399         toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
 400
 401         if (*toggle != enabled) {
 402                 *toggle = enabled;
 403
 404                 if (sfc_sa2shared(sa)->isolated) {
 405                         sfc_warn(sa, "isolated mode is active on the port");
 406                         sfc_warn(sa, "the change is to be applied on the next "
 407                                      "start provided that isolated mode is "
 408                                      "disabled prior the next start");
 409                 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
 410                            ((rc = sfc_set_rx_mode(sa)) != 0)) {
 411                         *toggle = !(enabled);
 412                         sfc_warn(sa, "Failed to %s %s mode, rc = %d",
 413                                  ((enabled) ? "enable" : "disable"), desc, rc);
 414
 415                         /*
 416                          * For promiscuous and all-multicast filters a
 417                          * permission failure should be reported as an
 418                          * unsupported filter.
 419                          */
 420                         if (rc == EPERM)
 421                                 rc = ENOTSUP;
 422                 }
 423         }
 424
 425         sfc_adapter_unlock(sa);
 426         return rc;
 427 }
 428
 429 static int
 430 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
 431 {
 432         int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
 433
 434         SFC_ASSERT(rc >= 0);
 435         return -rc;
 436 }
 437
 438 static int
 439 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
 440 {
 441         int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
 442
 443         SFC_ASSERT(rc >= 0);
 444         return -rc;
 445 }
 446
 447 static int
 448 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
 449 {
 450         int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
 451
 452         SFC_ASSERT(rc >= 0);
 453         return -rc;
 454 }
 455
 456 static int
 457 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
 458 {
 459         int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
 460
 461         SFC_ASSERT(rc >= 0);
 462         return -rc;
 463 }
 464
 465 static int
 466 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid,
 467                    uint16_t nb_rx_desc, unsigned int socket_id,
 468                    const struct rte_eth_rxconf *rx_conf,
 469                    struct rte_mempool *mb_pool)
 470 {
 471         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
 472         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 473         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
 474         struct sfc_rxq_info *rxq_info;
 475         sfc_sw_index_t sw_index;
 476         int rc;
 477
 478         sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
 479                      ethdev_qid, nb_rx_desc, socket_id);
 480
 481         sfc_adapter_lock(sa);
 482
 483         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
 484         rc = sfc_rx_qinit(sa, sw_index, nb_rx_desc, socket_id,
 485                           rx_conf, mb_pool);
 486         if (rc != 0)
 487                 goto fail_rx_qinit;
 488
 489         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
 490         dev->data->rx_queues[ethdev_qid] = rxq_info->dp;
 491
 492         sfc_adapter_unlock(sa);
 493
 494         return 0;
 495
 496 fail_rx_qinit:
 497         sfc_adapter_unlock(sa);
 498         SFC_ASSERT(rc > 0);
 499         return -rc;
 500 }
 501
 502 static void
 503 sfc_rx_queue_release(void *queue)
 504 {
 505         struct sfc_dp_rxq *dp_rxq = queue;
 506         struct sfc_rxq *rxq;
 507         struct sfc_adapter *sa;
 508         sfc_sw_index_t sw_index;
 509
 510         if (dp_rxq == NULL)
 511                 return;
 512
 513         rxq = sfc_rxq_by_dp_rxq(dp_rxq);
 514         sa = rxq->evq->sa;
 515         sfc_adapter_lock(sa);
 516
 517         sw_index = dp_rxq->dpq.queue_id;
 518
 519         sfc_log_init(sa, "RxQ=%u", sw_index);
 520
 521         sfc_rx_qfini(sa, sw_index);
 522
 523         sfc_adapter_unlock(sa);
 524 }
 525
 526 static int
 527 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid,
 528                    uint16_t nb_tx_desc, unsigned int socket_id,
 529                    const struct rte_eth_txconf *tx_conf)
 530 {
 531         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
 532         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 533         struct sfc_txq_info *txq_info;
 534         sfc_sw_index_t sw_index;
 535         int rc;
 536
 537         sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
 538                      ethdev_qid, nb_tx_desc, socket_id);
 539
 540         sfc_adapter_lock(sa);
 541
 542         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
 543         rc = sfc_tx_qinit(sa, sw_index, nb_tx_desc, socket_id, tx_conf);
 544         if (rc != 0)
 545                 goto fail_tx_qinit;
 546
 547         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
 548         dev->data->tx_queues[ethdev_qid] = txq_info->dp;
 549
 550         sfc_adapter_unlock(sa);
 551         return 0;
 552
 553 fail_tx_qinit:
 554         sfc_adapter_unlock(sa);
 555         SFC_ASSERT(rc > 0);
 556         return -rc;
 557 }
 558
 559 static void
 560 sfc_tx_queue_release(void *queue)
 561 {
 562         struct sfc_dp_txq *dp_txq = queue;
 563         struct sfc_txq *txq;
 564         sfc_sw_index_t sw_index;
 565         struct sfc_adapter *sa;
 566
 567         if (dp_txq == NULL)
 568                 return;
 569
 570         txq = sfc_txq_by_dp_txq(dp_txq);
 571         sw_index = dp_txq->dpq.queue_id;
 572
 573         SFC_ASSERT(txq->evq != NULL);
 574         sa = txq->evq->sa;
 575
 576         sfc_log_init(sa, "TxQ = %u", sw_index);
 577
 578         sfc_adapter_lock(sa);
 579
 580         sfc_tx_qfini(sa, sw_index);
 581
 582         sfc_adapter_unlock(sa);
 583 }
 584
 585 /*
 586  * Some statistics are computed as A - B where A and B each increase
 587  * monotonically with some hardware counter(s) and the counters are read
 588  * asynchronously.
 589  *
 590  * If packet X is counted in A, but not counted in B yet, computed value is
 591  * greater than real.
 592  *
 593  * If packet X is not counted in A at the moment of reading the counter,
 594  * but counted in B at the moment of reading the counter, computed value
 595  * is less than real.
 596  *
 597  * However, counter which grows backward is worse evil than slightly wrong
 598  * value. So, let's try to guarantee that it never happens except may be
 599  * the case when the MAC stats are zeroed as a result of a NIC reset.
 600  */
 601 static void
 602 sfc_update_diff_stat(uint64_t *stat, uint64_t newval)
 603 {
 604         if ((int64_t)(newval - *stat) > 0 || newval == 0)
 605                 *stat = newval;
 606 }
 607
 608 static int
 609 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 610 {
 611         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 612         struct sfc_port *port = &sa->port;
 613         uint64_t *mac_stats;
 614         int ret;
 615
 616         sfc_adapter_lock(sa);
 617
 618         ret = sfc_port_update_mac_stats(sa);
 619         if (ret != 0)
 620                 goto unlock;
 621
 622         mac_stats = port->mac_stats_buf;
 623
 624         if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
 625                                    EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
 626                 stats->ipackets =
 627                         mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
 628                         mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
 629                         mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
 630                 stats->opackets =
 631                         mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
 632                         mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
 633                         mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
 634                 stats->ibytes =
 635                         mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
 636                         mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
 637                         mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
 638                 stats->obytes =
 639                         mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
 640                         mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
 641                         mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
 642                 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
 643                 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
 644
 645                 /* CRC is included in these stats, but shouldn't be */
 646                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
 647                 stats->obytes -= stats->opackets * RTE_ETHER_CRC_LEN;
 648         } else {
 649                 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
 650                 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
 651                 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
 652
 653                 /* CRC is included in these stats, but shouldn't be */
 654                 stats->ibytes -= mac_stats[EFX_MAC_RX_PKTS] * RTE_ETHER_CRC_LEN;
 655                 stats->obytes -= mac_stats[EFX_MAC_TX_PKTS] * RTE_ETHER_CRC_LEN;
 656
 657                 /*
 658                  * Take into account stats which are whenever supported
 659                  * on EF10. If some stat is not supported by current
 660                  * firmware variant or HW revision, it is guaranteed
 661                  * to be zero in mac_stats.
 662                  */
 663                 stats->imissed =
 664                         mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
 665                         mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
 666                         mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
 667                         mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
 668                         mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
 669                         mac_stats[EFX_MAC_PM_TRUNC_QBB] +
 670                         mac_stats[EFX_MAC_PM_DISCARD_QBB] +
 671                         mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
 672                         mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
 673                         mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
 674                 stats->ierrors =
 675                         mac_stats[EFX_MAC_RX_FCS_ERRORS] +
 676                         mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
 677                         mac_stats[EFX_MAC_RX_JABBER_PKTS];
 678                 /* no oerrors counters supported on EF10 */
 679
 680                 /* Exclude missed, errors and pauses from Rx packets */
 681                 sfc_update_diff_stat(&port->ipackets,
 682                         mac_stats[EFX_MAC_RX_PKTS] -
 683                         mac_stats[EFX_MAC_RX_PAUSE_PKTS] -
 684                         stats->imissed - stats->ierrors);
 685                 stats->ipackets = port->ipackets;
 686         }
 687
 688 unlock:
 689         sfc_adapter_unlock(sa);
 690         SFC_ASSERT(ret >= 0);
 691         return -ret;
 692 }
 693
 694 static int
 695 sfc_stats_reset(struct rte_eth_dev *dev)
 696 {
 697         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 698         struct sfc_port *port = &sa->port;
 699         int rc;
 700
 701         sfc_adapter_lock(sa);
 702
 703         if (sa->state != SFC_ADAPTER_STARTED) {
 704                 /*
 705                  * The operation cannot be done if port is not started; it
 706                  * will be scheduled to be done during the next port start
 707                  */
 708                 port->mac_stats_reset_pending = B_TRUE;
 709                 sfc_adapter_unlock(sa);
 710                 return 0;
 711         }
 712
 713         rc = sfc_port_reset_mac_stats(sa);
 714         if (rc != 0)
 715                 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
 716
 717         sfc_adapter_unlock(sa);
 718
 719         SFC_ASSERT(rc >= 0);
 720         return -rc;
 721 }
 722
 723 static int
 724 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
 725                unsigned int xstats_count)
 726 {
 727         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 728         struct sfc_port *port = &sa->port;
 729         uint64_t *mac_stats;
 730         int rc;
 731         unsigned int i;
 732         int nstats = 0;
 733
 734         sfc_adapter_lock(sa);
 735
 736         rc = sfc_port_update_mac_stats(sa);
 737         if (rc != 0) {
 738                 SFC_ASSERT(rc > 0);
 739                 nstats = -rc;
 740                 goto unlock;
 741         }
 742
 743         mac_stats = port->mac_stats_buf;
 744
 745         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 746                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 747                         if (xstats != NULL && nstats < (int)xstats_count) {
 748                                 xstats[nstats].id = nstats;
 749                                 xstats[nstats].value = mac_stats[i];
 750                         }
 751                         nstats++;
 752                 }
 753         }
 754
 755 unlock:
 756         sfc_adapter_unlock(sa);
 757
 758         return nstats;
 759 }
 760
 761 static int
 762 sfc_xstats_get_names(struct rte_eth_dev *dev,
 763                      struct rte_eth_xstat_name *xstats_names,
 764                      unsigned int xstats_count)
 765 {
 766         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 767         struct sfc_port *port = &sa->port;
 768         unsigned int i;
 769         unsigned int nstats = 0;
 770
 771         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 772                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 773                         if (xstats_names != NULL && nstats < xstats_count)
 774                                 strlcpy(xstats_names[nstats].name,
 775                                         efx_mac_stat_name(sa->nic, i),
 776                                         sizeof(xstats_names[0].name));
 777                         nstats++;
 778                 }
 779         }
 780
 781         return nstats;
 782 }
 783
 784 static int
 785 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
 786                      uint64_t *values, unsigned int n)
 787 {
 788         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 789         struct sfc_port *port = &sa->port;
 790         uint64_t *mac_stats;
 791         unsigned int nb_supported = 0;
 792         unsigned int nb_written = 0;
 793         unsigned int i;
 794         int ret;
 795         int rc;
 796
 797         if (unlikely(ids == NULL || values == NULL))
 798                 return -EINVAL;
 799
 800         sfc_adapter_lock(sa);
 801
 802         rc = sfc_port_update_mac_stats(sa);
 803         if (rc != 0) {
 804                 SFC_ASSERT(rc > 0);
 805                 ret = -rc;
 806                 goto unlock;
 807         }
 808
 809         mac_stats = port->mac_stats_buf;
 810
 811         for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
 812                 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
 813                         continue;
 814
 815                 if (ids[nb_written] == nb_supported)
 816                         values[nb_written++] = mac_stats[i];
 817
 818                 ++nb_supported;
 819         }
 820
 821         ret = nb_written;
 822
 823 unlock:
 824         sfc_adapter_unlock(sa);
 825
 826         return ret;
 827 }
 828
 829 static int
 830 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
 831                            struct rte_eth_xstat_name *xstats_names,
 832                            const uint64_t *ids, unsigned int size)
 833 {
 834         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 835         struct sfc_port *port = &sa->port;
 836         unsigned int nb_supported = 0;
 837         unsigned int nb_written = 0;
 838         unsigned int i;
 839
 840         if (unlikely(xstats_names == NULL && ids != NULL) ||
 841             unlikely(xstats_names != NULL && ids == NULL))
 842                 return -EINVAL;
 843
 844         sfc_adapter_lock(sa);
 845
 846         if (unlikely(xstats_names == NULL && ids == NULL)) {
 847                 nb_supported = port->mac_stats_nb_supported;
 848                 sfc_adapter_unlock(sa);
 849                 return nb_supported;
 850         }
 851
 852         for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
 853                 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
 854                         continue;
 855
 856                 if (ids[nb_written] == nb_supported) {
 857                         char *name = xstats_names[nb_written++].name;
 858
 859                         strlcpy(name, efx_mac_stat_name(sa->nic, i),
 860                                 sizeof(xstats_names[0].name));
 861                 }
 862
 863                 ++nb_supported;
 864         }
 865
 866         sfc_adapter_unlock(sa);
 867
 868         return nb_written;
 869 }
 870
 871 static int
 872 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 873 {
 874         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 875         unsigned int wanted_fc, link_fc;
 876
 877         memset(fc_conf, 0, sizeof(*fc_conf));
 878
 879         sfc_adapter_lock(sa);
 880
 881         if (sa->state == SFC_ADAPTER_STARTED)
 882                 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
 883         else
 884                 link_fc = sa->port.flow_ctrl;
 885
 886         switch (link_fc) {
 887         case 0:
 888                 fc_conf->mode = RTE_FC_NONE;
 889                 break;
 890         case EFX_FCNTL_RESPOND:
 891                 fc_conf->mode = RTE_FC_RX_PAUSE;
 892                 break;
 893         case EFX_FCNTL_GENERATE:
 894                 fc_conf->mode = RTE_FC_TX_PAUSE;
 895                 break;
 896         case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
 897                 fc_conf->mode = RTE_FC_FULL;
 898                 break;
 899         default:
 900                 sfc_err(sa, "%s: unexpected flow control value %#x",
 901                         __func__, link_fc);
 902         }
 903
 904         fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
 905
 906         sfc_adapter_unlock(sa);
 907
 908         return 0;
 909 }
 910
 911 static int
 912 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 913 {
 914         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 915         struct sfc_port *port = &sa->port;
 916         unsigned int fcntl;
 917         int rc;
 918
 919         if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
 920             fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
 921             fc_conf->mac_ctrl_frame_fwd != 0) {
 922                 sfc_err(sa, "unsupported flow control settings specified");
 923                 rc = EINVAL;
 924                 goto fail_inval;
 925         }
 926
 927         switch (fc_conf->mode) {
 928         case RTE_FC_NONE:
 929                 fcntl = 0;
 930                 break;
 931         case RTE_FC_RX_PAUSE:
 932                 fcntl = EFX_FCNTL_RESPOND;
 933                 break;
 934         case RTE_FC_TX_PAUSE:
 935                 fcntl = EFX_FCNTL_GENERATE;
 936                 break;
 937         case RTE_FC_FULL:
 938                 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
 939                 break;
 940         default:
 941                 rc = EINVAL;
 942                 goto fail_inval;
 943         }
 944
 945         sfc_adapter_lock(sa);
 946
 947         if (sa->state == SFC_ADAPTER_STARTED) {
 948                 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
 949                 if (rc != 0)
 950                         goto fail_mac_fcntl_set;
 951         }
 952
 953         port->flow_ctrl = fcntl;
 954         port->flow_ctrl_autoneg = fc_conf->autoneg;
 955
 956         sfc_adapter_unlock(sa);
 957
 958         return 0;
 959
 960 fail_mac_fcntl_set:
 961         sfc_adapter_unlock(sa);
 962 fail_inval:
 963         SFC_ASSERT(rc > 0);
 964         return -rc;
 965 }
 966
 967 static int
 968 sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
 969 {
 970         struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
 971         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 972         boolean_t scatter_enabled;
 973         const char *error;
 974         unsigned int i;
 975
 976         for (i = 0; i < sas->rxq_count; i++) {
 977                 if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
 978                         continue;
 979
 980                 scatter_enabled = (sas->rxq_info[i].type_flags &
 981                                    EFX_RXQ_FLAG_SCATTER);
 982
 983                 if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
 984                                           encp->enc_rx_prefix_size,
 985                                           scatter_enabled,
 986                                           encp->enc_rx_scatter_max, &error)) {
 987                         sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
 988                                 error);
 989                         return EINVAL;
 990                 }
 991         }
 992
 993         return 0;
 994 }
 995
 996 static int
 997 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 998 {
 999         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1000         size_t pdu = EFX_MAC_PDU(mtu);
1001         size_t old_pdu;
1002         int rc;
1003
1004         sfc_log_init(sa, "mtu=%u", mtu);
1005
1006         rc = EINVAL;
1007         if (pdu < EFX_MAC_PDU_MIN) {
1008                 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
1009                         (unsigned int)mtu, (unsigned int)pdu,
1010                         EFX_MAC_PDU_MIN);
1011                 goto fail_inval;
1012         }
1013         if (pdu > EFX_MAC_PDU_MAX) {
1014                 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
1015                         (unsigned int)mtu, (unsigned int)pdu,
1016                         (unsigned int)EFX_MAC_PDU_MAX);
1017                 goto fail_inval;
1018         }
1019
1020         sfc_adapter_lock(sa);
1021
1022         rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
1023         if (rc != 0)
1024                 goto fail_check_scatter;
1025
1026         if (pdu != sa->port.pdu) {
1027                 if (sa->state == SFC_ADAPTER_STARTED) {
1028                         sfc_stop(sa);
1029
1030                         old_pdu = sa->port.pdu;
1031                         sa->port.pdu = pdu;
1032                         rc = sfc_start(sa);
1033                         if (rc != 0)
1034                                 goto fail_start;
1035                 } else {
1036                         sa->port.pdu = pdu;
1037                 }
1038         }
1039
1040         /*
1041          * The driver does not use it, but other PMDs update jumbo frame
1042          * flag and max_rx_pkt_len when MTU is set.
1043          */
1044         if (mtu > RTE_ETHER_MTU) {
1045                 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
1046                 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1047         }
1048
1049         dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
1050
1051         sfc_adapter_unlock(sa);
1052
1053         sfc_log_init(sa, "done");
1054         return 0;
1055
1056 fail_start:
1057         sa->port.pdu = old_pdu;
1058         if (sfc_start(sa) != 0)
1059                 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
1060                         "PDU max size - port is stopped",
1061                         (unsigned int)pdu, (unsigned int)old_pdu);
1062
1063 fail_check_scatter:
1064         sfc_adapter_unlock(sa);
1065
1066 fail_inval:
1067         sfc_log_init(sa, "failed %d", rc);
1068         SFC_ASSERT(rc > 0);
1069         return -rc;
1070 }
1071 static int
1072 sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1073 {
1074         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1075         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1076         struct sfc_port *port = &sa->port;
1077         struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
1078         int rc = 0;
1079
1080         sfc_adapter_lock(sa);
1081
1082         if (rte_is_same_ether_addr(mac_addr, &port->default_mac_addr))
1083                 goto unlock;
1084
1085         /*
1086          * Copy the address to the device private data so that
1087          * it could be recalled in the case of adapter restart.
1088          */
1089         rte_ether_addr_copy(mac_addr, &port->default_mac_addr);
1090
1091         /*
1092          * Neither of the two following checks can return
1093          * an error. The new MAC address is preserved in
1094          * the device private data and can be activated
1095          * on the next port start if the user prevents
1096          * isolated mode from being enabled.
1097          */
1098         if (sfc_sa2shared(sa)->isolated) {
1099                 sfc_warn(sa, "isolated mode is active on the port");
1100                 sfc_warn(sa, "will not set MAC address");
1101                 goto unlock;
1102         }
1103
1104         if (sa->state != SFC_ADAPTER_STARTED) {
1105                 sfc_notice(sa, "the port is not started");
1106                 sfc_notice(sa, "the new MAC address will be set on port start");
1107
1108                 goto unlock;
1109         }
1110
1111         if (encp->enc_allow_set_mac_with_installed_filters) {
1112                 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
1113                 if (rc != 0) {
1114                         sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
1115                         goto unlock;
1116                 }
1117
1118                 /*
1119                  * Changing the MAC address by means of MCDI request
1120                  * has no effect on received traffic, therefore
1121                  * we also need to update unicast filters
1122                  */
1123                 rc = sfc_set_rx_mode_unchecked(sa);
1124                 if (rc != 0) {
1125                         sfc_err(sa, "cannot set filter (rc = %u)", rc);
1126                         /* Rollback the old address */
1127                         (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
1128                         (void)sfc_set_rx_mode_unchecked(sa);
1129                 }
1130         } else {
1131                 sfc_warn(sa, "cannot set MAC address with filters installed");
1132                 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
1133                 sfc_warn(sa, "(some traffic may be dropped)");
1134
1135                 /*
1136                  * Since setting MAC address with filters installed is not
1137                  * allowed on the adapter, the new MAC address will be set
1138                  * by means of adapter restart. sfc_start() shall retrieve
1139                  * the new address from the device private data and set it.
1140                  */
1141                 sfc_stop(sa);
1142                 rc = sfc_start(sa);
1143                 if (rc != 0)
1144                         sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
1145         }
1146
1147 unlock:
1148         if (rc != 0)
1149                 rte_ether_addr_copy(old_addr, &port->default_mac_addr);
1150
1151         sfc_adapter_unlock(sa);
1152
1153         SFC_ASSERT(rc >= 0);
1154         return -rc;
1155 }
1156
1157
1158 static int
1159 sfc_set_mc_addr_list(struct rte_eth_dev *dev,
1160                 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1161 {
1162         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1163         struct sfc_port *port = &sa->port;
1164         uint8_t *mc_addrs = port->mcast_addrs;
1165         int rc;
1166         unsigned int i;
1167
1168         if (sfc_sa2shared(sa)->isolated) {
1169                 sfc_err(sa, "isolated mode is active on the port");
1170                 sfc_err(sa, "will not set multicast address list");
1171                 return -ENOTSUP;
1172         }
1173
1174         if (mc_addrs == NULL)
1175                 return -ENOBUFS;
1176
1177         if (nb_mc_addr > port->max_mcast_addrs) {
1178                 sfc_err(sa, "too many multicast addresses: %u > %u",
1179                          nb_mc_addr, port->max_mcast_addrs);
1180                 return -EINVAL;
1181         }
1182
1183         for (i = 0; i < nb_mc_addr; ++i) {
1184                 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1185                                  EFX_MAC_ADDR_LEN);
1186                 mc_addrs += EFX_MAC_ADDR_LEN;
1187         }
1188
1189         port->nb_mcast_addrs = nb_mc_addr;
1190
1191         if (sa->state != SFC_ADAPTER_STARTED)
1192                 return 0;
1193
1194         rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1195                                         port->nb_mcast_addrs);
1196         if (rc != 0)
1197                 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1198
1199         SFC_ASSERT(rc >= 0);
1200         return -rc;
1201 }
1202
1203 /*
1204  * The function is used by the secondary process as well. It must not
1205  * use any process-local pointers from the adapter data.
1206  */
1207 static void
1208 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1209                       struct rte_eth_rxq_info *qinfo)
1210 {
1211         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1212         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1213         struct sfc_rxq_info *rxq_info;
1214
1215         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1216
1217         qinfo->mp = rxq_info->refill_mb_pool;
1218         qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
1219         qinfo->conf.rx_drop_en = 1;
1220         qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1221         qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
1222         if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1223                 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1224                 qinfo->scattered_rx = 1;
1225         }
1226         qinfo->nb_desc = rxq_info->entries;
1227 }
1228
1229 /*
1230  * The function is used by the secondary process as well. It must not
1231  * use any process-local pointers from the adapter data.
1232  */
1233 static void
1234 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1235                       struct rte_eth_txq_info *qinfo)
1236 {
1237         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1238         struct sfc_txq_info *txq_info;
1239
1240         SFC_ASSERT(ethdev_qid < sas->ethdev_txq_count);
1241
1242         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1243
1244         memset(qinfo, 0, sizeof(*qinfo));
1245
1246         qinfo->conf.offloads = txq_info->offloads;
1247         qinfo->conf.tx_free_thresh = txq_info->free_thresh;
1248         qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1249         qinfo->nb_desc = txq_info->entries;
1250 }
1251
1252 /*
1253  * The function is used by the secondary process as well. It must not
1254  * use any process-local pointers from the adapter data.
1255  */
1256 static uint32_t
1257 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1258 {
1259         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1260         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1261         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1262         struct sfc_rxq_info *rxq_info;
1263
1264         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1265
1266         if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
1267                 return 0;
1268
1269         return sap->dp_rx->qdesc_npending(rxq_info->dp);
1270 }
1271
1272 /*
1273  * The function is used by the secondary process as well. It must not
1274  * use any process-local pointers from the adapter data.
1275  */
1276 static int
1277 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1278 {
1279         struct sfc_dp_rxq *dp_rxq = queue;
1280         const struct sfc_dp_rx *dp_rx;
1281
1282         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1283
1284         return offset < dp_rx->qdesc_npending(dp_rxq);
1285 }
1286
1287 /*
1288  * The function is used by the secondary process as well. It must not
1289  * use any process-local pointers from the adapter data.
1290  */
1291 static int
1292 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1293 {
1294         struct sfc_dp_rxq *dp_rxq = queue;
1295         const struct sfc_dp_rx *dp_rx;
1296
1297         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1298
1299         return dp_rx->qdesc_status(dp_rxq, offset);
1300 }
1301
1302 /*
1303  * The function is used by the secondary process as well. It must not
1304  * use any process-local pointers from the adapter data.
1305  */
1306 static int
1307 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1308 {
1309         struct sfc_dp_txq *dp_txq = queue;
1310         const struct sfc_dp_tx *dp_tx;
1311
1312         dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
1313
1314         return dp_tx->qdesc_status(dp_txq, offset);
1315 }
1316
1317 static int
1318 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1319 {
1320         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1321         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1322         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1323         struct sfc_rxq_info *rxq_info;
1324         sfc_sw_index_t sw_index;
1325         int rc;
1326
1327         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1328
1329         sfc_adapter_lock(sa);
1330
1331         rc = EINVAL;
1332         if (sa->state != SFC_ADAPTER_STARTED)
1333                 goto fail_not_started;
1334
1335         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1336         if (rxq_info->state != SFC_RXQ_INITIALIZED)
1337                 goto fail_not_setup;
1338
1339         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1340         rc = sfc_rx_qstart(sa, sw_index);
1341         if (rc != 0)
1342                 goto fail_rx_qstart;
1343
1344         rxq_info->deferred_started = B_TRUE;
1345
1346         sfc_adapter_unlock(sa);
1347
1348         return 0;
1349
1350 fail_rx_qstart:
1351 fail_not_setup:
1352 fail_not_started:
1353         sfc_adapter_unlock(sa);
1354         SFC_ASSERT(rc > 0);
1355         return -rc;
1356 }
1357
1358 static int
1359 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1360 {
1361         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1362         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1363         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1364         struct sfc_rxq_info *rxq_info;
1365         sfc_sw_index_t sw_index;
1366
1367         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1368
1369         sfc_adapter_lock(sa);
1370
1371         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1372         sfc_rx_qstop(sa, sw_index);
1373
1374         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1375         rxq_info->deferred_started = B_FALSE;
1376
1377         sfc_adapter_unlock(sa);
1378
1379         return 0;
1380 }
1381
1382 static int
1383 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1384 {
1385         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1386         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1387         struct sfc_txq_info *txq_info;
1388         sfc_sw_index_t sw_index;
1389         int rc;
1390
1391         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1392
1393         sfc_adapter_lock(sa);
1394
1395         rc = EINVAL;
1396         if (sa->state != SFC_ADAPTER_STARTED)
1397                 goto fail_not_started;
1398
1399         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1400         if (txq_info->state != SFC_TXQ_INITIALIZED)
1401                 goto fail_not_setup;
1402
1403         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1404         rc = sfc_tx_qstart(sa, sw_index);
1405         if (rc != 0)
1406                 goto fail_tx_qstart;
1407
1408         txq_info->deferred_started = B_TRUE;
1409
1410         sfc_adapter_unlock(sa);
1411         return 0;
1412
1413 fail_tx_qstart:
1414
1415 fail_not_setup:
1416 fail_not_started:
1417         sfc_adapter_unlock(sa);
1418         SFC_ASSERT(rc > 0);
1419         return -rc;
1420 }
1421
1422 static int
1423 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1424 {
1425         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1426         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1427         struct sfc_txq_info *txq_info;
1428         sfc_sw_index_t sw_index;
1429
1430         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1431
1432         sfc_adapter_lock(sa);
1433
1434         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1435         sfc_tx_qstop(sa, sw_index);
1436
1437         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1438         txq_info->deferred_started = B_FALSE;
1439
1440         sfc_adapter_unlock(sa);
1441         return 0;
1442 }
1443
1444 static efx_tunnel_protocol_t
1445 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1446 {
1447         switch (rte_type) {
1448         case RTE_TUNNEL_TYPE_VXLAN:
1449                 return EFX_TUNNEL_PROTOCOL_VXLAN;
1450         case RTE_TUNNEL_TYPE_GENEVE:
1451                 return EFX_TUNNEL_PROTOCOL_GENEVE;
1452         default:
1453                 return EFX_TUNNEL_NPROTOS;
1454         }
1455 }
1456
1457 enum sfc_udp_tunnel_op_e {
1458         SFC_UDP_TUNNEL_ADD_PORT,
1459         SFC_UDP_TUNNEL_DEL_PORT,
1460 };
1461
1462 static int
1463 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1464                       struct rte_eth_udp_tunnel *tunnel_udp,
1465                       enum sfc_udp_tunnel_op_e op)
1466 {
1467         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1468         efx_tunnel_protocol_t tunnel_proto;
1469         int rc;
1470
1471         sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1472                      (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1473                      (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1474                      tunnel_udp->udp_port, tunnel_udp->prot_type);
1475
1476         tunnel_proto =
1477                 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1478         if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1479                 rc = ENOTSUP;
1480                 goto fail_bad_proto;
1481         }
1482
1483         sfc_adapter_lock(sa);
1484
1485         switch (op) {
1486         case SFC_UDP_TUNNEL_ADD_PORT:
1487                 rc = efx_tunnel_config_udp_add(sa->nic,
1488                                                tunnel_udp->udp_port,
1489                                                tunnel_proto);
1490                 break;
1491         case SFC_UDP_TUNNEL_DEL_PORT:
1492                 rc = efx_tunnel_config_udp_remove(sa->nic,
1493                                                   tunnel_udp->udp_port,
1494                                                   tunnel_proto);
1495                 break;
1496         default:
1497                 rc = EINVAL;
1498                 goto fail_bad_op;
1499         }
1500
1501         if (rc != 0)
1502                 goto fail_op;
1503
1504         if (sa->state == SFC_ADAPTER_STARTED) {
1505                 rc = efx_tunnel_reconfigure(sa->nic);
1506                 if (rc == EAGAIN) {
1507                         /*
1508                          * Configuration is accepted by FW and MC reboot
1509                          * is initiated to apply the changes. MC reboot
1510                          * will be handled in a usual way (MC reboot
1511                          * event on management event queue and adapter
1512                          * restart).
1513                          */
1514                         rc = 0;
1515                 } else if (rc != 0) {
1516                         goto fail_reconfigure;
1517                 }
1518         }
1519
1520         sfc_adapter_unlock(sa);
1521         return 0;
1522
1523 fail_reconfigure:
1524         /* Remove/restore entry since the change makes the trouble */
1525         switch (op) {
1526         case SFC_UDP_TUNNEL_ADD_PORT:
1527                 (void)efx_tunnel_config_udp_remove(sa->nic,
1528                                                    tunnel_udp->udp_port,
1529                                                    tunnel_proto);
1530                 break;
1531         case SFC_UDP_TUNNEL_DEL_PORT:
1532                 (void)efx_tunnel_config_udp_add(sa->nic,
1533                                                 tunnel_udp->udp_port,
1534                                                 tunnel_proto);
1535                 break;
1536         }
1537
1538 fail_op:
1539 fail_bad_op:
1540         sfc_adapter_unlock(sa);
1541
1542 fail_bad_proto:
1543         SFC_ASSERT(rc > 0);
1544         return -rc;
1545 }
1546
1547 static int
1548 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1549                             struct rte_eth_udp_tunnel *tunnel_udp)
1550 {
1551         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1552 }
1553
1554 static int
1555 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1556                             struct rte_eth_udp_tunnel *tunnel_udp)
1557 {
1558         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1559 }
1560
1561 /*
1562  * The function is used by the secondary process as well. It must not
1563  * use any process-local pointers from the adapter data.
1564  */
1565 static int
1566 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1567                           struct rte_eth_rss_conf *rss_conf)
1568 {
1569         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1570         struct sfc_rss *rss = &sas->rss;
1571
1572         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
1573                 return -ENOTSUP;
1574
1575         /*
1576          * Mapping of hash configuration between RTE and EFX is not one-to-one,
1577          * hence, conversion is done here to derive a correct set of ETH_RSS
1578          * flags which corresponds to the active EFX configuration stored
1579          * locally in 'sfc_adapter' and kept up-to-date
1580          */
1581         rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(rss, rss->hash_types);
1582         rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1583         if (rss_conf->rss_key != NULL)
1584                 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
1585
1586         return 0;
1587 }
1588
1589 static int
1590 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1591                         struct rte_eth_rss_conf *rss_conf)
1592 {
1593         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1594         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1595         unsigned int efx_hash_types;
1596         uint32_t contexts[] = {EFX_RSS_CONTEXT_DEFAULT, rss->dummy_rss_context};
1597         unsigned int n_contexts;
1598         unsigned int mode_i = 0;
1599         unsigned int key_i = 0;
1600         unsigned int i = 0;
1601         int rc = 0;
1602
1603         n_contexts = rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT ? 1 : 2;
1604
1605         if (sfc_sa2shared(sa)->isolated)
1606                 return -ENOTSUP;
1607
1608         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1609                 sfc_err(sa, "RSS is not available");
1610                 return -ENOTSUP;
1611         }
1612
1613         if (rss->channels == 0) {
1614                 sfc_err(sa, "RSS is not configured");
1615                 return -EINVAL;
1616         }
1617
1618         if ((rss_conf->rss_key != NULL) &&
1619             (rss_conf->rss_key_len != sizeof(rss->key))) {
1620                 sfc_err(sa, "RSS key size is wrong (should be %zu)",
1621                         sizeof(rss->key));
1622                 return -EINVAL;
1623         }
1624
1625         sfc_adapter_lock(sa);
1626
1627         rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
1628         if (rc != 0)
1629                 goto fail_rx_hf_rte_to_efx;
1630
1631         for (mode_i = 0; mode_i < n_contexts; mode_i++) {
1632                 rc = efx_rx_scale_mode_set(sa->nic, contexts[mode_i],
1633                                            rss->hash_alg, efx_hash_types,
1634                                            B_TRUE);
1635                 if (rc != 0)
1636                         goto fail_scale_mode_set;
1637         }
1638
1639         if (rss_conf->rss_key != NULL) {
1640                 if (sa->state == SFC_ADAPTER_STARTED) {
1641                         for (key_i = 0; key_i < n_contexts; key_i++) {
1642                                 rc = efx_rx_scale_key_set(sa->nic,
1643                                                           contexts[key_i],
1644                                                           rss_conf->rss_key,
1645                                                           sizeof(rss->key));
1646                                 if (rc != 0)
1647                                         goto fail_scale_key_set;
1648                         }
1649                 }
1650
1651                 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
1652         }
1653
1654         rss->hash_types = efx_hash_types;
1655
1656         sfc_adapter_unlock(sa);
1657
1658         return 0;
1659
1660 fail_scale_key_set:
1661         for (i = 0; i < key_i; i++) {
1662                 if (efx_rx_scale_key_set(sa->nic, contexts[i], rss->key,
1663                                          sizeof(rss->key)) != 0)
1664                         sfc_err(sa, "failed to restore RSS key");
1665         }
1666
1667 fail_scale_mode_set:
1668         for (i = 0; i < mode_i; i++) {
1669                 if (efx_rx_scale_mode_set(sa->nic, contexts[i],
1670                                           EFX_RX_HASHALG_TOEPLITZ,
1671                                           rss->hash_types, B_TRUE) != 0)
1672                         sfc_err(sa, "failed to restore RSS mode");
1673         }
1674
1675 fail_rx_hf_rte_to_efx:
1676         sfc_adapter_unlock(sa);
1677         return -rc;
1678 }
1679
1680 /*
1681  * The function is used by the secondary process as well. It must not
1682  * use any process-local pointers from the adapter data.
1683  */
1684 static int
1685 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1686                        struct rte_eth_rss_reta_entry64 *reta_conf,
1687                        uint16_t reta_size)
1688 {
1689         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1690         struct sfc_rss *rss = &sas->rss;
1691         int entry;
1692
1693         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
1694                 return -ENOTSUP;
1695
1696         if (rss->channels == 0)
1697                 return -EINVAL;
1698
1699         if (reta_size != EFX_RSS_TBL_SIZE)
1700                 return -EINVAL;
1701
1702         for (entry = 0; entry < reta_size; entry++) {
1703                 int grp = entry / RTE_RETA_GROUP_SIZE;
1704                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1705
1706                 if ((reta_conf[grp].mask >> grp_idx) & 1)
1707                         reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
1708         }
1709
1710         return 0;
1711 }
1712
1713 static int
1714 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1715                         struct rte_eth_rss_reta_entry64 *reta_conf,
1716                         uint16_t reta_size)
1717 {
1718         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1719         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1720         unsigned int *rss_tbl_new;
1721         uint16_t entry;
1722         int rc = 0;
1723
1724
1725         if (sfc_sa2shared(sa)->isolated)
1726                 return -ENOTSUP;
1727
1728         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1729                 sfc_err(sa, "RSS is not available");
1730                 return -ENOTSUP;
1731         }
1732
1733         if (rss->channels == 0) {
1734                 sfc_err(sa, "RSS is not configured");
1735                 return -EINVAL;
1736         }
1737
1738         if (reta_size != EFX_RSS_TBL_SIZE) {
1739                 sfc_err(sa, "RETA size is wrong (should be %u)",
1740                         EFX_RSS_TBL_SIZE);
1741                 return -EINVAL;
1742         }
1743
1744         rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
1745         if (rss_tbl_new == NULL)
1746                 return -ENOMEM;
1747
1748         sfc_adapter_lock(sa);
1749
1750         rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
1751
1752         for (entry = 0; entry < reta_size; entry++) {
1753                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1754                 struct rte_eth_rss_reta_entry64 *grp;
1755
1756                 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1757
1758                 if (grp->mask & (1ull << grp_idx)) {
1759                         if (grp->reta[grp_idx] >= rss->channels) {
1760                                 rc = EINVAL;
1761                                 goto bad_reta_entry;
1762                         }
1763                         rss_tbl_new[entry] = grp->reta[grp_idx];
1764                 }
1765         }
1766
1767         if (sa->state == SFC_ADAPTER_STARTED) {
1768                 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1769                                           rss_tbl_new, EFX_RSS_TBL_SIZE);
1770                 if (rc != 0)
1771                         goto fail_scale_tbl_set;
1772         }
1773
1774         rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
1775
1776 fail_scale_tbl_set:
1777 bad_reta_entry:
1778         sfc_adapter_unlock(sa);
1779
1780         rte_free(rss_tbl_new);
1781
1782         SFC_ASSERT(rc >= 0);
1783         return -rc;
1784 }
1785
1786 static int
1787 sfc_dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
1788                      const struct rte_flow_ops **ops)
1789 {
1790         *ops = &sfc_flow_ops;
1791         return 0;
1792 }
1793
1794 static int
1795 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
1796 {
1797         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1798
1799         /*
1800          * If Rx datapath does not provide callback to check mempool,
1801          * all pools are supported.
1802          */
1803         if (sap->dp_rx->pool_ops_supported == NULL)
1804                 return 1;
1805
1806         return sap->dp_rx->pool_ops_supported(pool);
1807 }
1808
1809 static int
1810 sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1811 {
1812         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1813         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1814         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1815         struct sfc_rxq_info *rxq_info;
1816
1817         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1818
1819         return sap->dp_rx->intr_enable(rxq_info->dp);
1820 }
1821
1822 static int
1823 sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1824 {
1825         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1826         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1827         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1828         struct sfc_rxq_info *rxq_info;
1829
1830         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1831
1832         return sap->dp_rx->intr_disable(rxq_info->dp);
1833 }
1834
1835 static const struct eth_dev_ops sfc_eth_dev_ops = {
1836         .dev_configure                  = sfc_dev_configure,
1837         .dev_start                      = sfc_dev_start,
1838         .dev_stop                       = sfc_dev_stop,
1839         .dev_set_link_up                = sfc_dev_set_link_up,
1840         .dev_set_link_down              = sfc_dev_set_link_down,
1841         .dev_close                      = sfc_dev_close,
1842         .promiscuous_enable             = sfc_dev_promisc_enable,
1843         .promiscuous_disable            = sfc_dev_promisc_disable,
1844         .allmulticast_enable            = sfc_dev_allmulti_enable,
1845         .allmulticast_disable           = sfc_dev_allmulti_disable,
1846         .link_update                    = sfc_dev_link_update,
1847         .stats_get                      = sfc_stats_get,
1848         .stats_reset                    = sfc_stats_reset,
1849         .xstats_get                     = sfc_xstats_get,
1850         .xstats_reset                   = sfc_stats_reset,
1851         .xstats_get_names               = sfc_xstats_get_names,
1852         .dev_infos_get                  = sfc_dev_infos_get,
1853         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
1854         .mtu_set                        = sfc_dev_set_mtu,
1855         .rx_queue_start                 = sfc_rx_queue_start,
1856         .rx_queue_stop                  = sfc_rx_queue_stop,
1857         .tx_queue_start                 = sfc_tx_queue_start,
1858         .tx_queue_stop                  = sfc_tx_queue_stop,
1859         .rx_queue_setup                 = sfc_rx_queue_setup,
1860         .rx_queue_release               = sfc_rx_queue_release,
1861         .rx_queue_intr_enable           = sfc_rx_queue_intr_enable,
1862         .rx_queue_intr_disable          = sfc_rx_queue_intr_disable,
1863         .tx_queue_setup                 = sfc_tx_queue_setup,
1864         .tx_queue_release               = sfc_tx_queue_release,
1865         .flow_ctrl_get                  = sfc_flow_ctrl_get,
1866         .flow_ctrl_set                  = sfc_flow_ctrl_set,
1867         .mac_addr_set                   = sfc_mac_addr_set,
1868         .udp_tunnel_port_add            = sfc_dev_udp_tunnel_port_add,
1869         .udp_tunnel_port_del            = sfc_dev_udp_tunnel_port_del,
1870         .reta_update                    = sfc_dev_rss_reta_update,
1871         .reta_query                     = sfc_dev_rss_reta_query,
1872         .rss_hash_update                = sfc_dev_rss_hash_update,
1873         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
1874         .flow_ops_get                   = sfc_dev_flow_ops_get,
1875         .set_mc_addr_list               = sfc_set_mc_addr_list,
1876         .rxq_info_get                   = sfc_rx_queue_info_get,
1877         .txq_info_get                   = sfc_tx_queue_info_get,
1878         .fw_version_get                 = sfc_fw_version_get,
1879         .xstats_get_by_id               = sfc_xstats_get_by_id,
1880         .xstats_get_names_by_id         = sfc_xstats_get_names_by_id,
1881         .pool_ops_supported             = sfc_pool_ops_supported,
1882 };
1883
1884 /**
1885  * Duplicate a string in potentially shared memory required for
1886  * multi-process support.
1887  *
1888  * strdup() allocates from process-local heap/memory.
1889  */
1890 static char *
1891 sfc_strdup(const char *str)
1892 {
1893         size_t size;
1894         char *copy;
1895
1896         if (str == NULL)
1897                 return NULL;
1898
1899         size = strlen(str) + 1;
1900         copy = rte_malloc(__func__, size, 0);
1901         if (copy != NULL)
1902                 rte_memcpy(copy, str, size);
1903
1904         return copy;
1905 }
1906
1907 static int
1908 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1909 {
1910         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1911         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1912         const struct sfc_dp_rx *dp_rx;
1913         const struct sfc_dp_tx *dp_tx;
1914         const efx_nic_cfg_t *encp;
1915         unsigned int avail_caps = 0;
1916         const char *rx_name = NULL;
1917         const char *tx_name = NULL;
1918         int rc;
1919
1920         switch (sa->family) {
1921         case EFX_FAMILY_HUNTINGTON:
1922         case EFX_FAMILY_MEDFORD:
1923         case EFX_FAMILY_MEDFORD2:
1924                 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1925                 avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX;
1926                 avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX;
1927                 break;
1928         case EFX_FAMILY_RIVERHEAD:
1929                 avail_caps |= SFC_DP_HW_FW_CAP_EF100;
1930                 break;
1931         default:
1932                 break;
1933         }
1934
1935         encp = efx_nic_cfg_get(sa->nic);
1936         if (encp->enc_rx_es_super_buffer_supported)
1937                 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
1938
1939         rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1940                                 sfc_kvarg_string_handler, &rx_name);
1941         if (rc != 0)
1942                 goto fail_kvarg_rx_datapath;
1943
1944         if (rx_name != NULL) {
1945                 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1946                 if (dp_rx == NULL) {
1947                         sfc_err(sa, "Rx datapath %s not found", rx_name);
1948                         rc = ENOENT;
1949                         goto fail_dp_rx;
1950                 }
1951                 if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
1952                         sfc_err(sa,
1953                                 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1954                                 rx_name);
1955                         rc = EINVAL;
1956                         goto fail_dp_rx_caps;
1957                 }
1958         } else {
1959                 dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1960                 if (dp_rx == NULL) {
1961                         sfc_err(sa, "Rx datapath by caps %#x not found",
1962                                 avail_caps);
1963                         rc = ENOENT;
1964                         goto fail_dp_rx;
1965                 }
1966         }
1967
1968         sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
1969         if (sas->dp_rx_name == NULL) {
1970                 rc = ENOMEM;
1971                 goto fail_dp_rx_name;
1972         }
1973
1974         sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
1975
1976         rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1977                                 sfc_kvarg_string_handler, &tx_name);
1978         if (rc != 0)
1979                 goto fail_kvarg_tx_datapath;
1980
1981         if (tx_name != NULL) {
1982                 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1983                 if (dp_tx == NULL) {
1984                         sfc_err(sa, "Tx datapath %s not found", tx_name);
1985                         rc = ENOENT;
1986                         goto fail_dp_tx;
1987                 }
1988                 if (!sfc_dp_match_hw_fw_caps(&dp_tx->dp, avail_caps)) {
1989                         sfc_err(sa,
1990                                 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1991                                 tx_name);
1992                         rc = EINVAL;
1993                         goto fail_dp_tx_caps;
1994                 }
1995         } else {
1996                 dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1997                 if (dp_tx == NULL) {
1998                         sfc_err(sa, "Tx datapath by caps %#x not found",
1999                                 avail_caps);
2000                         rc = ENOENT;
2001                         goto fail_dp_tx;
2002                 }
2003         }
2004
2005         sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
2006         if (sas->dp_tx_name == NULL) {
2007                 rc = ENOMEM;
2008                 goto fail_dp_tx_name;
2009         }
2010
2011         sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
2012
2013         sa->priv.dp_rx = dp_rx;
2014         sa->priv.dp_tx = dp_tx;
2015
2016         dev->rx_pkt_burst = dp_rx->pkt_burst;
2017         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2018         dev->tx_pkt_burst = dp_tx->pkt_burst;
2019
2020         dev->rx_queue_count = sfc_rx_queue_count;
2021         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2022         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2023         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2024         dev->dev_ops = &sfc_eth_dev_ops;
2025
2026         return 0;
2027
2028 fail_dp_tx_name:
2029 fail_dp_tx_caps:
2030 fail_dp_tx:
2031 fail_kvarg_tx_datapath:
2032         rte_free(sas->dp_rx_name);
2033         sas->dp_rx_name = NULL;
2034
2035 fail_dp_rx_name:
2036 fail_dp_rx_caps:
2037 fail_dp_rx:
2038 fail_kvarg_rx_datapath:
2039         return rc;
2040 }
2041
2042 static void
2043 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
2044 {
2045         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
2046         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2047
2048         dev->dev_ops = NULL;
2049         dev->tx_pkt_prepare = NULL;
2050         dev->rx_pkt_burst = NULL;
2051         dev->tx_pkt_burst = NULL;
2052
2053         rte_free(sas->dp_tx_name);
2054         sas->dp_tx_name = NULL;
2055         sa->priv.dp_tx = NULL;
2056
2057         rte_free(sas->dp_rx_name);
2058         sas->dp_rx_name = NULL;
2059         sa->priv.dp_rx = NULL;
2060 }
2061
2062 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
2063         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
2064         .reta_query                     = sfc_dev_rss_reta_query,
2065         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
2066         .rxq_info_get                   = sfc_rx_queue_info_get,
2067         .txq_info_get                   = sfc_tx_queue_info_get,
2068 };
2069
2070 static int
2071 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
2072 {
2073         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2074         struct sfc_adapter_priv *sap;
2075         const struct sfc_dp_rx *dp_rx;
2076         const struct sfc_dp_tx *dp_tx;
2077         int rc;
2078
2079         /*
2080          * Allocate process private data from heap, since it should not
2081          * be located in shared memory allocated using rte_malloc() API.
2082          */
2083         sap = calloc(1, sizeof(*sap));
2084         if (sap == NULL) {
2085                 rc = ENOMEM;
2086                 goto fail_alloc_priv;
2087         }
2088
2089         sap->logtype_main = logtype_main;
2090
2091         dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
2092         if (dp_rx == NULL) {
2093                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2094                         "cannot find %s Rx datapath", sas->dp_rx_name);
2095                 rc = ENOENT;
2096                 goto fail_dp_rx;
2097         }
2098         if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
2099                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2100                         "%s Rx datapath does not support multi-process",
2101                         sas->dp_rx_name);
2102                 rc = EINVAL;
2103                 goto fail_dp_rx_multi_process;
2104         }
2105
2106         dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
2107         if (dp_tx == NULL) {
2108                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2109                         "cannot find %s Tx datapath", sas->dp_tx_name);
2110                 rc = ENOENT;
2111                 goto fail_dp_tx;
2112         }
2113         if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
2114                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2115                         "%s Tx datapath does not support multi-process",
2116                         sas->dp_tx_name);
2117                 rc = EINVAL;
2118                 goto fail_dp_tx_multi_process;
2119         }
2120
2121         sap->dp_rx = dp_rx;
2122         sap->dp_tx = dp_tx;
2123
2124         dev->process_private = sap;
2125         dev->rx_pkt_burst = dp_rx->pkt_burst;
2126         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2127         dev->tx_pkt_burst = dp_tx->pkt_burst;
2128         dev->rx_queue_count = sfc_rx_queue_count;
2129         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2130         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2131         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2132         dev->dev_ops = &sfc_eth_dev_secondary_ops;
2133
2134         return 0;
2135
2136 fail_dp_tx_multi_process:
2137 fail_dp_tx:
2138 fail_dp_rx_multi_process:
2139 fail_dp_rx:
2140         free(sap);
2141
2142 fail_alloc_priv:
2143         return rc;
2144 }
2145
2146 static void
2147 sfc_register_dp(void)
2148 {
2149         /* Register once */
2150         if (TAILQ_EMPTY(&sfc_dp_head)) {
2151                 /* Prefer EF10 datapath */
2152                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_rx.dp);
2153                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp);
2154                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
2155                 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
2156
2157                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_tx.dp);
2158                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
2159                 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
2160                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
2161         }
2162 }
2163
2164 static int
2165 sfc_eth_dev_init(struct rte_eth_dev *dev)
2166 {
2167         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2168         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2169         uint32_t logtype_main;
2170         struct sfc_adapter *sa;
2171         int rc;
2172         const efx_nic_cfg_t *encp;
2173         const struct rte_ether_addr *from;
2174         int ret;
2175
2176         if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
2177                         SFC_EFX_DEV_CLASS_NET) {
2178                 SFC_GENERIC_LOG(DEBUG,
2179                         "Incompatible device class: skip probing, should be probed by other sfc driver.");
2180                 return 1;
2181         }
2182
2183         sfc_register_dp();
2184
2185         logtype_main = sfc_register_logtype(&pci_dev->addr,
2186                                             SFC_LOGTYPE_MAIN_STR,
2187                                             RTE_LOG_NOTICE);
2188
2189         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2190                 return -sfc_eth_dev_secondary_init(dev, logtype_main);
2191
2192         /* Required for logging */
2193         ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix),
2194                         "PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ",
2195                         pci_dev->addr.domain, pci_dev->addr.bus,
2196                         pci_dev->addr.devid, pci_dev->addr.function,
2197                         dev->data->port_id);
2198         if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) {
2199                 SFC_GENERIC_LOG(ERR,
2200                         "reserved log prefix is too short for " PCI_PRI_FMT,
2201                         pci_dev->addr.domain, pci_dev->addr.bus,
2202                         pci_dev->addr.devid, pci_dev->addr.function);
2203                 return -EINVAL;
2204         }
2205         sas->pci_addr = pci_dev->addr;
2206         sas->port_id = dev->data->port_id;
2207
2208         /*
2209          * Allocate process private data from heap, since it should not
2210          * be located in shared memory allocated using rte_malloc() API.
2211          */
2212         sa = calloc(1, sizeof(*sa));
2213         if (sa == NULL) {
2214                 rc = ENOMEM;
2215                 goto fail_alloc_sa;
2216         }
2217
2218         dev->process_private = sa;
2219
2220         /* Required for logging */
2221         sa->priv.shared = sas;
2222         sa->priv.logtype_main = logtype_main;
2223
2224         sa->eth_dev = dev;
2225
2226         /* Copy PCI device info to the dev->data */
2227         rte_eth_copy_pci_info(dev, pci_dev);
2228         dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
2229         dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
2230
2231         rc = sfc_kvargs_parse(sa);
2232         if (rc != 0)
2233                 goto fail_kvargs_parse;
2234
2235         sfc_log_init(sa, "entry");
2236
2237         dev->data->mac_addrs = rte_zmalloc("sfc", RTE_ETHER_ADDR_LEN, 0);
2238         if (dev->data->mac_addrs == NULL) {
2239                 rc = ENOMEM;
2240                 goto fail_mac_addrs;
2241         }
2242
2243         sfc_adapter_lock_init(sa);
2244         sfc_adapter_lock(sa);
2245
2246         sfc_log_init(sa, "probing");
2247         rc = sfc_probe(sa);
2248         if (rc != 0)
2249                 goto fail_probe;
2250
2251         sfc_log_init(sa, "set device ops");
2252         rc = sfc_eth_dev_set_ops(dev);
2253         if (rc != 0)
2254                 goto fail_set_ops;
2255
2256         sfc_log_init(sa, "attaching");
2257         rc = sfc_attach(sa);
2258         if (rc != 0)
2259                 goto fail_attach;
2260
2261         encp = efx_nic_cfg_get(sa->nic);
2262
2263         /*
2264          * The arguments are really reverse order in comparison to
2265          * Linux kernel. Copy from NIC config to Ethernet device data.
2266          */
2267         from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
2268         rte_ether_addr_copy(from, &dev->data->mac_addrs[0]);
2269
2270         sfc_adapter_unlock(sa);
2271
2272         sfc_log_init(sa, "done");
2273         return 0;
2274
2275 fail_attach:
2276         sfc_eth_dev_clear_ops(dev);
2277
2278 fail_set_ops:
2279         sfc_unprobe(sa);
2280
2281 fail_probe:
2282         sfc_adapter_unlock(sa);
2283         sfc_adapter_lock_fini(sa);
2284         rte_free(dev->data->mac_addrs);
2285         dev->data->mac_addrs = NULL;
2286
2287 fail_mac_addrs:
2288         sfc_kvargs_cleanup(sa);
2289
2290 fail_kvargs_parse:
2291         sfc_log_init(sa, "failed %d", rc);
2292         dev->process_private = NULL;
2293         free(sa);
2294
2295 fail_alloc_sa:
2296         SFC_ASSERT(rc > 0);
2297         return -rc;
2298 }
2299
2300 static int
2301 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2302 {
2303         sfc_dev_close(dev);
2304
2305         return 0;
2306 }
2307
2308 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2309         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2310         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2311         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2312         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2313         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2314         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2315         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2316         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2317         { RTE_PCI_DEVICE(EFX_PCI_VENID_XILINX, EFX_PCI_DEVID_RIVERHEAD) },
2318         { .vendor_id = 0 /* sentinel */ }
2319 };
2320
2321 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2322         struct rte_pci_device *pci_dev)
2323 {
2324         return rte_eth_dev_pci_generic_probe(pci_dev,
2325                 sizeof(struct sfc_adapter_shared), sfc_eth_dev_init);
2326 }
2327
2328 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2329 {
2330         return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2331 }
2332
2333 static struct rte_pci_driver sfc_efx_pmd = {
2334         .id_table = pci_id_sfc_efx_map,
2335         .drv_flags =
2336                 RTE_PCI_DRV_INTR_LSC |
2337                 RTE_PCI_DRV_NEED_MAPPING,
2338         .probe = sfc_eth_dev_pci_probe,
2339         .remove = sfc_eth_dev_pci_remove,
2340 };
2341
2342 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2343 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2344 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2345 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2346         SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2347         SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2348         SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2349         SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2350         SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
2351         SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2352
2353 RTE_INIT(sfc_driver_register_logtype)
2354 {
2355         int ret;
2356
2357         ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2358                                                    RTE_LOG_NOTICE);
2359         sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;
2360 }