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, B_FALSE);
 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         if (unlikely(xstats == NULL)) {
 737                 nstats = port->mac_stats_nb_supported;
 738                 goto unlock;
 739         }
 740
 741         rc = sfc_port_update_mac_stats(sa, B_FALSE);
 742         if (rc != 0) {
 743                 SFC_ASSERT(rc > 0);
 744                 nstats = -rc;
 745                 goto unlock;
 746         }
 747
 748         mac_stats = port->mac_stats_buf;
 749
 750         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 751                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 752                         if (nstats < (int)xstats_count) {
 753                                 xstats[nstats].id = nstats;
 754                                 xstats[nstats].value = mac_stats[i];
 755                         }
 756                         nstats++;
 757                 }
 758         }
 759
 760 unlock:
 761         sfc_adapter_unlock(sa);
 762
 763         return nstats;
 764 }
 765
 766 static int
 767 sfc_xstats_get_names(struct rte_eth_dev *dev,
 768                      struct rte_eth_xstat_name *xstats_names,
 769                      unsigned int xstats_count)
 770 {
 771         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 772         struct sfc_port *port = &sa->port;
 773         unsigned int i;
 774         unsigned int nstats = 0;
 775
 776         if (unlikely(xstats_names == NULL)) {
 777                 sfc_adapter_lock(sa);
 778                 nstats = port->mac_stats_nb_supported;
 779                 sfc_adapter_unlock(sa);
 780                 return nstats;
 781         }
 782
 783         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 784                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 785                         if (nstats < xstats_count)
 786                                 strlcpy(xstats_names[nstats].name,
 787                                         efx_mac_stat_name(sa->nic, i),
 788                                         sizeof(xstats_names[0].name));
 789                         nstats++;
 790                 }
 791         }
 792
 793         return nstats;
 794 }
 795
 796 static int
 797 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
 798                      uint64_t *values, unsigned int n)
 799 {
 800         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 801         struct sfc_port *port = &sa->port;
 802         uint64_t *mac_stats;
 803         unsigned int i;
 804         int ret;
 805         int rc;
 806
 807         if (unlikely(ids == NULL || values == NULL))
 808                 return -EINVAL;
 809
 810         sfc_adapter_lock(sa);
 811
 812         rc = sfc_port_update_mac_stats(sa, B_FALSE);
 813         if (rc != 0) {
 814                 SFC_ASSERT(rc > 0);
 815                 ret = -rc;
 816                 goto unlock;
 817         }
 818
 819         mac_stats = port->mac_stats_buf;
 820
 821         SFC_ASSERT(port->mac_stats_nb_supported <=
 822                    RTE_DIM(port->mac_stats_by_id));
 823
 824         for (i = 0; i < n; i++) {
 825                 if (ids[i] < port->mac_stats_nb_supported) {
 826                         values[i] = mac_stats[port->mac_stats_by_id[ids[i]]];
 827                 } else {
 828                         ret = i;
 829                         goto unlock;
 830                 }
 831         }
 832
 833         ret = n;
 834
 835 unlock:
 836         sfc_adapter_unlock(sa);
 837
 838         return ret;
 839 }
 840
 841 static int
 842 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
 843                            struct rte_eth_xstat_name *xstats_names,
 844                            const uint64_t *ids, unsigned int size)
 845 {
 846         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 847         struct sfc_port *port = &sa->port;
 848         unsigned int nb_supported;
 849         unsigned int i;
 850
 851         if (unlikely(xstats_names == NULL && ids != NULL) ||
 852             unlikely(xstats_names != NULL && ids == NULL))
 853                 return -EINVAL;
 854
 855         sfc_adapter_lock(sa);
 856
 857         if (unlikely(xstats_names == NULL && ids == NULL)) {
 858                 nb_supported = port->mac_stats_nb_supported;
 859                 sfc_adapter_unlock(sa);
 860                 return nb_supported;
 861         }
 862
 863         SFC_ASSERT(port->mac_stats_nb_supported <=
 864                    RTE_DIM(port->mac_stats_by_id));
 865
 866         for (i = 0; i < size; i++) {
 867                 if (ids[i] < port->mac_stats_nb_supported) {
 868                         strlcpy(xstats_names[i].name,
 869                                 efx_mac_stat_name(sa->nic,
 870                                                  port->mac_stats_by_id[ids[i]]),
 871                                 sizeof(xstats_names[0].name));
 872                 } else {
 873                         sfc_adapter_unlock(sa);
 874                         return i;
 875                 }
 876         }
 877
 878         sfc_adapter_unlock(sa);
 879
 880         return size;
 881 }
 882
 883 static int
 884 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 885 {
 886         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 887         unsigned int wanted_fc, link_fc;
 888
 889         memset(fc_conf, 0, sizeof(*fc_conf));
 890
 891         sfc_adapter_lock(sa);
 892
 893         if (sa->state == SFC_ADAPTER_STARTED)
 894                 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
 895         else
 896                 link_fc = sa->port.flow_ctrl;
 897
 898         switch (link_fc) {
 899         case 0:
 900                 fc_conf->mode = RTE_FC_NONE;
 901                 break;
 902         case EFX_FCNTL_RESPOND:
 903                 fc_conf->mode = RTE_FC_RX_PAUSE;
 904                 break;
 905         case EFX_FCNTL_GENERATE:
 906                 fc_conf->mode = RTE_FC_TX_PAUSE;
 907                 break;
 908         case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
 909                 fc_conf->mode = RTE_FC_FULL;
 910                 break;
 911         default:
 912                 sfc_err(sa, "%s: unexpected flow control value %#x",
 913                         __func__, link_fc);
 914         }
 915
 916         fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
 917
 918         sfc_adapter_unlock(sa);
 919
 920         return 0;
 921 }
 922
 923 static int
 924 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 925 {
 926         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 927         struct sfc_port *port = &sa->port;
 928         unsigned int fcntl;
 929         int rc;
 930
 931         if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
 932             fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
 933             fc_conf->mac_ctrl_frame_fwd != 0) {
 934                 sfc_err(sa, "unsupported flow control settings specified");
 935                 rc = EINVAL;
 936                 goto fail_inval;
 937         }
 938
 939         switch (fc_conf->mode) {
 940         case RTE_FC_NONE:
 941                 fcntl = 0;
 942                 break;
 943         case RTE_FC_RX_PAUSE:
 944                 fcntl = EFX_FCNTL_RESPOND;
 945                 break;
 946         case RTE_FC_TX_PAUSE:
 947                 fcntl = EFX_FCNTL_GENERATE;
 948                 break;
 949         case RTE_FC_FULL:
 950                 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
 951                 break;
 952         default:
 953                 rc = EINVAL;
 954                 goto fail_inval;
 955         }
 956
 957         sfc_adapter_lock(sa);
 958
 959         if (sa->state == SFC_ADAPTER_STARTED) {
 960                 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
 961                 if (rc != 0)
 962                         goto fail_mac_fcntl_set;
 963         }
 964
 965         port->flow_ctrl = fcntl;
 966         port->flow_ctrl_autoneg = fc_conf->autoneg;
 967
 968         sfc_adapter_unlock(sa);
 969
 970         return 0;
 971
 972 fail_mac_fcntl_set:
 973         sfc_adapter_unlock(sa);
 974 fail_inval:
 975         SFC_ASSERT(rc > 0);
 976         return -rc;
 977 }
 978
 979 static int
 980 sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
 981 {
 982         struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
 983         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 984         boolean_t scatter_enabled;
 985         const char *error;
 986         unsigned int i;
 987
 988         for (i = 0; i < sas->rxq_count; i++) {
 989                 if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
 990                         continue;
 991
 992                 scatter_enabled = (sas->rxq_info[i].type_flags &
 993                                    EFX_RXQ_FLAG_SCATTER);
 994
 995                 if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
 996                                           encp->enc_rx_prefix_size,
 997                                           scatter_enabled,
 998                                           encp->enc_rx_scatter_max, &error)) {
 999                         sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
1000                                 error);
1001                         return EINVAL;
1002                 }
1003         }
1004
1005         return 0;
1006 }
1007
1008 static int
1009 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
1010 {
1011         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1012         size_t pdu = EFX_MAC_PDU(mtu);
1013         size_t old_pdu;
1014         int rc;
1015
1016         sfc_log_init(sa, "mtu=%u", mtu);
1017
1018         rc = EINVAL;
1019         if (pdu < EFX_MAC_PDU_MIN) {
1020                 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
1021                         (unsigned int)mtu, (unsigned int)pdu,
1022                         EFX_MAC_PDU_MIN);
1023                 goto fail_inval;
1024         }
1025         if (pdu > EFX_MAC_PDU_MAX) {
1026                 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
1027                         (unsigned int)mtu, (unsigned int)pdu,
1028                         (unsigned int)EFX_MAC_PDU_MAX);
1029                 goto fail_inval;
1030         }
1031
1032         sfc_adapter_lock(sa);
1033
1034         rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
1035         if (rc != 0)
1036                 goto fail_check_scatter;
1037
1038         if (pdu != sa->port.pdu) {
1039                 if (sa->state == SFC_ADAPTER_STARTED) {
1040                         sfc_stop(sa);
1041
1042                         old_pdu = sa->port.pdu;
1043                         sa->port.pdu = pdu;
1044                         rc = sfc_start(sa);
1045                         if (rc != 0)
1046                                 goto fail_start;
1047                 } else {
1048                         sa->port.pdu = pdu;
1049                 }
1050         }
1051
1052         /*
1053          * The driver does not use it, but other PMDs update jumbo frame
1054          * flag and max_rx_pkt_len when MTU is set.
1055          */
1056         if (mtu > RTE_ETHER_MTU) {
1057                 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
1058                 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1059         }
1060
1061         dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
1062
1063         sfc_adapter_unlock(sa);
1064
1065         sfc_log_init(sa, "done");
1066         return 0;
1067
1068 fail_start:
1069         sa->port.pdu = old_pdu;
1070         if (sfc_start(sa) != 0)
1071                 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
1072                         "PDU max size - port is stopped",
1073                         (unsigned int)pdu, (unsigned int)old_pdu);
1074
1075 fail_check_scatter:
1076         sfc_adapter_unlock(sa);
1077
1078 fail_inval:
1079         sfc_log_init(sa, "failed %d", rc);
1080         SFC_ASSERT(rc > 0);
1081         return -rc;
1082 }
1083 static int
1084 sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1085 {
1086         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1087         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1088         struct sfc_port *port = &sa->port;
1089         struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
1090         int rc = 0;
1091
1092         sfc_adapter_lock(sa);
1093
1094         if (rte_is_same_ether_addr(mac_addr, &port->default_mac_addr))
1095                 goto unlock;
1096
1097         /*
1098          * Copy the address to the device private data so that
1099          * it could be recalled in the case of adapter restart.
1100          */
1101         rte_ether_addr_copy(mac_addr, &port->default_mac_addr);
1102
1103         /*
1104          * Neither of the two following checks can return
1105          * an error. The new MAC address is preserved in
1106          * the device private data and can be activated
1107          * on the next port start if the user prevents
1108          * isolated mode from being enabled.
1109          */
1110         if (sfc_sa2shared(sa)->isolated) {
1111                 sfc_warn(sa, "isolated mode is active on the port");
1112                 sfc_warn(sa, "will not set MAC address");
1113                 goto unlock;
1114         }
1115
1116         if (sa->state != SFC_ADAPTER_STARTED) {
1117                 sfc_notice(sa, "the port is not started");
1118                 sfc_notice(sa, "the new MAC address will be set on port start");
1119
1120                 goto unlock;
1121         }
1122
1123         if (encp->enc_allow_set_mac_with_installed_filters) {
1124                 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
1125                 if (rc != 0) {
1126                         sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
1127                         goto unlock;
1128                 }
1129
1130                 /*
1131                  * Changing the MAC address by means of MCDI request
1132                  * has no effect on received traffic, therefore
1133                  * we also need to update unicast filters
1134                  */
1135                 rc = sfc_set_rx_mode_unchecked(sa);
1136                 if (rc != 0) {
1137                         sfc_err(sa, "cannot set filter (rc = %u)", rc);
1138                         /* Rollback the old address */
1139                         (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
1140                         (void)sfc_set_rx_mode_unchecked(sa);
1141                 }
1142         } else {
1143                 sfc_warn(sa, "cannot set MAC address with filters installed");
1144                 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
1145                 sfc_warn(sa, "(some traffic may be dropped)");
1146
1147                 /*
1148                  * Since setting MAC address with filters installed is not
1149                  * allowed on the adapter, the new MAC address will be set
1150                  * by means of adapter restart. sfc_start() shall retrieve
1151                  * the new address from the device private data and set it.
1152                  */
1153                 sfc_stop(sa);
1154                 rc = sfc_start(sa);
1155                 if (rc != 0)
1156                         sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
1157         }
1158
1159 unlock:
1160         if (rc != 0)
1161                 rte_ether_addr_copy(old_addr, &port->default_mac_addr);
1162
1163         sfc_adapter_unlock(sa);
1164
1165         SFC_ASSERT(rc >= 0);
1166         return -rc;
1167 }
1168
1169
1170 static int
1171 sfc_set_mc_addr_list(struct rte_eth_dev *dev,
1172                 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1173 {
1174         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1175         struct sfc_port *port = &sa->port;
1176         uint8_t *mc_addrs = port->mcast_addrs;
1177         int rc;
1178         unsigned int i;
1179
1180         if (sfc_sa2shared(sa)->isolated) {
1181                 sfc_err(sa, "isolated mode is active on the port");
1182                 sfc_err(sa, "will not set multicast address list");
1183                 return -ENOTSUP;
1184         }
1185
1186         if (mc_addrs == NULL)
1187                 return -ENOBUFS;
1188
1189         if (nb_mc_addr > port->max_mcast_addrs) {
1190                 sfc_err(sa, "too many multicast addresses: %u > %u",
1191                          nb_mc_addr, port->max_mcast_addrs);
1192                 return -EINVAL;
1193         }
1194
1195         for (i = 0; i < nb_mc_addr; ++i) {
1196                 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1197                                  EFX_MAC_ADDR_LEN);
1198                 mc_addrs += EFX_MAC_ADDR_LEN;
1199         }
1200
1201         port->nb_mcast_addrs = nb_mc_addr;
1202
1203         if (sa->state != SFC_ADAPTER_STARTED)
1204                 return 0;
1205
1206         rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1207                                         port->nb_mcast_addrs);
1208         if (rc != 0)
1209                 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1210
1211         SFC_ASSERT(rc >= 0);
1212         return -rc;
1213 }
1214
1215 /*
1216  * The function is used by the secondary process as well. It must not
1217  * use any process-local pointers from the adapter data.
1218  */
1219 static void
1220 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1221                       struct rte_eth_rxq_info *qinfo)
1222 {
1223         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1224         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1225         struct sfc_rxq_info *rxq_info;
1226
1227         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1228
1229         qinfo->mp = rxq_info->refill_mb_pool;
1230         qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
1231         qinfo->conf.rx_drop_en = 1;
1232         qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1233         qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
1234         if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1235                 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1236                 qinfo->scattered_rx = 1;
1237         }
1238         qinfo->nb_desc = rxq_info->entries;
1239 }
1240
1241 /*
1242  * The function is used by the secondary process as well. It must not
1243  * use any process-local pointers from the adapter data.
1244  */
1245 static void
1246 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1247                       struct rte_eth_txq_info *qinfo)
1248 {
1249         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1250         struct sfc_txq_info *txq_info;
1251
1252         SFC_ASSERT(ethdev_qid < sas->ethdev_txq_count);
1253
1254         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1255
1256         memset(qinfo, 0, sizeof(*qinfo));
1257
1258         qinfo->conf.offloads = txq_info->offloads;
1259         qinfo->conf.tx_free_thresh = txq_info->free_thresh;
1260         qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1261         qinfo->nb_desc = txq_info->entries;
1262 }
1263
1264 /*
1265  * The function is used by the secondary process as well. It must not
1266  * use any process-local pointers from the adapter data.
1267  */
1268 static uint32_t
1269 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1270 {
1271         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1272         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1273         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1274         struct sfc_rxq_info *rxq_info;
1275
1276         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1277
1278         if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
1279                 return 0;
1280
1281         return sap->dp_rx->qdesc_npending(rxq_info->dp);
1282 }
1283
1284 /*
1285  * The function is used by the secondary process as well. It must not
1286  * use any process-local pointers from the adapter data.
1287  */
1288 static int
1289 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1290 {
1291         struct sfc_dp_rxq *dp_rxq = queue;
1292         const struct sfc_dp_rx *dp_rx;
1293
1294         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1295
1296         return offset < dp_rx->qdesc_npending(dp_rxq);
1297 }
1298
1299 /*
1300  * The function is used by the secondary process as well. It must not
1301  * use any process-local pointers from the adapter data.
1302  */
1303 static int
1304 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1305 {
1306         struct sfc_dp_rxq *dp_rxq = queue;
1307         const struct sfc_dp_rx *dp_rx;
1308
1309         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1310
1311         return dp_rx->qdesc_status(dp_rxq, offset);
1312 }
1313
1314 /*
1315  * The function is used by the secondary process as well. It must not
1316  * use any process-local pointers from the adapter data.
1317  */
1318 static int
1319 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1320 {
1321         struct sfc_dp_txq *dp_txq = queue;
1322         const struct sfc_dp_tx *dp_tx;
1323
1324         dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
1325
1326         return dp_tx->qdesc_status(dp_txq, offset);
1327 }
1328
1329 static int
1330 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1331 {
1332         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1333         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1334         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1335         struct sfc_rxq_info *rxq_info;
1336         sfc_sw_index_t sw_index;
1337         int rc;
1338
1339         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1340
1341         sfc_adapter_lock(sa);
1342
1343         rc = EINVAL;
1344         if (sa->state != SFC_ADAPTER_STARTED)
1345                 goto fail_not_started;
1346
1347         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1348         if (rxq_info->state != SFC_RXQ_INITIALIZED)
1349                 goto fail_not_setup;
1350
1351         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1352         rc = sfc_rx_qstart(sa, sw_index);
1353         if (rc != 0)
1354                 goto fail_rx_qstart;
1355
1356         rxq_info->deferred_started = B_TRUE;
1357
1358         sfc_adapter_unlock(sa);
1359
1360         return 0;
1361
1362 fail_rx_qstart:
1363 fail_not_setup:
1364 fail_not_started:
1365         sfc_adapter_unlock(sa);
1366         SFC_ASSERT(rc > 0);
1367         return -rc;
1368 }
1369
1370 static int
1371 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1372 {
1373         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1374         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1375         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1376         struct sfc_rxq_info *rxq_info;
1377         sfc_sw_index_t sw_index;
1378
1379         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1380
1381         sfc_adapter_lock(sa);
1382
1383         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1384         sfc_rx_qstop(sa, sw_index);
1385
1386         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1387         rxq_info->deferred_started = B_FALSE;
1388
1389         sfc_adapter_unlock(sa);
1390
1391         return 0;
1392 }
1393
1394 static int
1395 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1396 {
1397         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1398         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1399         struct sfc_txq_info *txq_info;
1400         sfc_sw_index_t sw_index;
1401         int rc;
1402
1403         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1404
1405         sfc_adapter_lock(sa);
1406
1407         rc = EINVAL;
1408         if (sa->state != SFC_ADAPTER_STARTED)
1409                 goto fail_not_started;
1410
1411         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1412         if (txq_info->state != SFC_TXQ_INITIALIZED)
1413                 goto fail_not_setup;
1414
1415         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1416         rc = sfc_tx_qstart(sa, sw_index);
1417         if (rc != 0)
1418                 goto fail_tx_qstart;
1419
1420         txq_info->deferred_started = B_TRUE;
1421
1422         sfc_adapter_unlock(sa);
1423         return 0;
1424
1425 fail_tx_qstart:
1426
1427 fail_not_setup:
1428 fail_not_started:
1429         sfc_adapter_unlock(sa);
1430         SFC_ASSERT(rc > 0);
1431         return -rc;
1432 }
1433
1434 static int
1435 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1436 {
1437         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1438         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1439         struct sfc_txq_info *txq_info;
1440         sfc_sw_index_t sw_index;
1441
1442         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1443
1444         sfc_adapter_lock(sa);
1445
1446         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1447         sfc_tx_qstop(sa, sw_index);
1448
1449         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1450         txq_info->deferred_started = B_FALSE;
1451
1452         sfc_adapter_unlock(sa);
1453         return 0;
1454 }
1455
1456 static efx_tunnel_protocol_t
1457 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1458 {
1459         switch (rte_type) {
1460         case RTE_TUNNEL_TYPE_VXLAN:
1461                 return EFX_TUNNEL_PROTOCOL_VXLAN;
1462         case RTE_TUNNEL_TYPE_GENEVE:
1463                 return EFX_TUNNEL_PROTOCOL_GENEVE;
1464         default:
1465                 return EFX_TUNNEL_NPROTOS;
1466         }
1467 }
1468
1469 enum sfc_udp_tunnel_op_e {
1470         SFC_UDP_TUNNEL_ADD_PORT,
1471         SFC_UDP_TUNNEL_DEL_PORT,
1472 };
1473
1474 static int
1475 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1476                       struct rte_eth_udp_tunnel *tunnel_udp,
1477                       enum sfc_udp_tunnel_op_e op)
1478 {
1479         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1480         efx_tunnel_protocol_t tunnel_proto;
1481         int rc;
1482
1483         sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1484                      (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1485                      (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1486                      tunnel_udp->udp_port, tunnel_udp->prot_type);
1487
1488         tunnel_proto =
1489                 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1490         if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1491                 rc = ENOTSUP;
1492                 goto fail_bad_proto;
1493         }
1494
1495         sfc_adapter_lock(sa);
1496
1497         switch (op) {
1498         case SFC_UDP_TUNNEL_ADD_PORT:
1499                 rc = efx_tunnel_config_udp_add(sa->nic,
1500                                                tunnel_udp->udp_port,
1501                                                tunnel_proto);
1502                 break;
1503         case SFC_UDP_TUNNEL_DEL_PORT:
1504                 rc = efx_tunnel_config_udp_remove(sa->nic,
1505                                                   tunnel_udp->udp_port,
1506                                                   tunnel_proto);
1507                 break;
1508         default:
1509                 rc = EINVAL;
1510                 goto fail_bad_op;
1511         }
1512
1513         if (rc != 0)
1514                 goto fail_op;
1515
1516         if (sa->state == SFC_ADAPTER_STARTED) {
1517                 rc = efx_tunnel_reconfigure(sa->nic);
1518                 if (rc == EAGAIN) {
1519                         /*
1520                          * Configuration is accepted by FW and MC reboot
1521                          * is initiated to apply the changes. MC reboot
1522                          * will be handled in a usual way (MC reboot
1523                          * event on management event queue and adapter
1524                          * restart).
1525                          */
1526                         rc = 0;
1527                 } else if (rc != 0) {
1528                         goto fail_reconfigure;
1529                 }
1530         }
1531
1532         sfc_adapter_unlock(sa);
1533         return 0;
1534
1535 fail_reconfigure:
1536         /* Remove/restore entry since the change makes the trouble */
1537         switch (op) {
1538         case SFC_UDP_TUNNEL_ADD_PORT:
1539                 (void)efx_tunnel_config_udp_remove(sa->nic,
1540                                                    tunnel_udp->udp_port,
1541                                                    tunnel_proto);
1542                 break;
1543         case SFC_UDP_TUNNEL_DEL_PORT:
1544                 (void)efx_tunnel_config_udp_add(sa->nic,
1545                                                 tunnel_udp->udp_port,
1546                                                 tunnel_proto);
1547                 break;
1548         }
1549
1550 fail_op:
1551 fail_bad_op:
1552         sfc_adapter_unlock(sa);
1553
1554 fail_bad_proto:
1555         SFC_ASSERT(rc > 0);
1556         return -rc;
1557 }
1558
1559 static int
1560 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1561                             struct rte_eth_udp_tunnel *tunnel_udp)
1562 {
1563         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1564 }
1565
1566 static int
1567 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1568                             struct rte_eth_udp_tunnel *tunnel_udp)
1569 {
1570         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1571 }
1572
1573 /*
1574  * The function is used by the secondary process as well. It must not
1575  * use any process-local pointers from the adapter data.
1576  */
1577 static int
1578 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1579                           struct rte_eth_rss_conf *rss_conf)
1580 {
1581         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1582         struct sfc_rss *rss = &sas->rss;
1583
1584         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
1585                 return -ENOTSUP;
1586
1587         /*
1588          * Mapping of hash configuration between RTE and EFX is not one-to-one,
1589          * hence, conversion is done here to derive a correct set of ETH_RSS
1590          * flags which corresponds to the active EFX configuration stored
1591          * locally in 'sfc_adapter' and kept up-to-date
1592          */
1593         rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(rss, rss->hash_types);
1594         rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1595         if (rss_conf->rss_key != NULL)
1596                 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
1597
1598         return 0;
1599 }
1600
1601 static int
1602 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1603                         struct rte_eth_rss_conf *rss_conf)
1604 {
1605         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1606         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1607         unsigned int efx_hash_types;
1608         uint32_t contexts[] = {EFX_RSS_CONTEXT_DEFAULT, rss->dummy_rss_context};
1609         unsigned int n_contexts;
1610         unsigned int mode_i = 0;
1611         unsigned int key_i = 0;
1612         unsigned int i = 0;
1613         int rc = 0;
1614
1615         n_contexts = rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT ? 1 : 2;
1616
1617         if (sfc_sa2shared(sa)->isolated)
1618                 return -ENOTSUP;
1619
1620         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1621                 sfc_err(sa, "RSS is not available");
1622                 return -ENOTSUP;
1623         }
1624
1625         if (rss->channels == 0) {
1626                 sfc_err(sa, "RSS is not configured");
1627                 return -EINVAL;
1628         }
1629
1630         if ((rss_conf->rss_key != NULL) &&
1631             (rss_conf->rss_key_len != sizeof(rss->key))) {
1632                 sfc_err(sa, "RSS key size is wrong (should be %zu)",
1633                         sizeof(rss->key));
1634                 return -EINVAL;
1635         }
1636
1637         sfc_adapter_lock(sa);
1638
1639         rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
1640         if (rc != 0)
1641                 goto fail_rx_hf_rte_to_efx;
1642
1643         for (mode_i = 0; mode_i < n_contexts; mode_i++) {
1644                 rc = efx_rx_scale_mode_set(sa->nic, contexts[mode_i],
1645                                            rss->hash_alg, efx_hash_types,
1646                                            B_TRUE);
1647                 if (rc != 0)
1648                         goto fail_scale_mode_set;
1649         }
1650
1651         if (rss_conf->rss_key != NULL) {
1652                 if (sa->state == SFC_ADAPTER_STARTED) {
1653                         for (key_i = 0; key_i < n_contexts; key_i++) {
1654                                 rc = efx_rx_scale_key_set(sa->nic,
1655                                                           contexts[key_i],
1656                                                           rss_conf->rss_key,
1657                                                           sizeof(rss->key));
1658                                 if (rc != 0)
1659                                         goto fail_scale_key_set;
1660                         }
1661                 }
1662
1663                 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
1664         }
1665
1666         rss->hash_types = efx_hash_types;
1667
1668         sfc_adapter_unlock(sa);
1669
1670         return 0;
1671
1672 fail_scale_key_set:
1673         for (i = 0; i < key_i; i++) {
1674                 if (efx_rx_scale_key_set(sa->nic, contexts[i], rss->key,
1675                                          sizeof(rss->key)) != 0)
1676                         sfc_err(sa, "failed to restore RSS key");
1677         }
1678
1679 fail_scale_mode_set:
1680         for (i = 0; i < mode_i; i++) {
1681                 if (efx_rx_scale_mode_set(sa->nic, contexts[i],
1682                                           EFX_RX_HASHALG_TOEPLITZ,
1683                                           rss->hash_types, B_TRUE) != 0)
1684                         sfc_err(sa, "failed to restore RSS mode");
1685         }
1686
1687 fail_rx_hf_rte_to_efx:
1688         sfc_adapter_unlock(sa);
1689         return -rc;
1690 }
1691
1692 /*
1693  * The function is used by the secondary process as well. It must not
1694  * use any process-local pointers from the adapter data.
1695  */
1696 static int
1697 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1698                        struct rte_eth_rss_reta_entry64 *reta_conf,
1699                        uint16_t reta_size)
1700 {
1701         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1702         struct sfc_rss *rss = &sas->rss;
1703         int entry;
1704
1705         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
1706                 return -ENOTSUP;
1707
1708         if (rss->channels == 0)
1709                 return -EINVAL;
1710
1711         if (reta_size != EFX_RSS_TBL_SIZE)
1712                 return -EINVAL;
1713
1714         for (entry = 0; entry < reta_size; entry++) {
1715                 int grp = entry / RTE_RETA_GROUP_SIZE;
1716                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1717
1718                 if ((reta_conf[grp].mask >> grp_idx) & 1)
1719                         reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
1720         }
1721
1722         return 0;
1723 }
1724
1725 static int
1726 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1727                         struct rte_eth_rss_reta_entry64 *reta_conf,
1728                         uint16_t reta_size)
1729 {
1730         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1731         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1732         unsigned int *rss_tbl_new;
1733         uint16_t entry;
1734         int rc = 0;
1735
1736
1737         if (sfc_sa2shared(sa)->isolated)
1738                 return -ENOTSUP;
1739
1740         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1741                 sfc_err(sa, "RSS is not available");
1742                 return -ENOTSUP;
1743         }
1744
1745         if (rss->channels == 0) {
1746                 sfc_err(sa, "RSS is not configured");
1747                 return -EINVAL;
1748         }
1749
1750         if (reta_size != EFX_RSS_TBL_SIZE) {
1751                 sfc_err(sa, "RETA size is wrong (should be %u)",
1752                         EFX_RSS_TBL_SIZE);
1753                 return -EINVAL;
1754         }
1755
1756         rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
1757         if (rss_tbl_new == NULL)
1758                 return -ENOMEM;
1759
1760         sfc_adapter_lock(sa);
1761
1762         rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
1763
1764         for (entry = 0; entry < reta_size; entry++) {
1765                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1766                 struct rte_eth_rss_reta_entry64 *grp;
1767
1768                 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1769
1770                 if (grp->mask & (1ull << grp_idx)) {
1771                         if (grp->reta[grp_idx] >= rss->channels) {
1772                                 rc = EINVAL;
1773                                 goto bad_reta_entry;
1774                         }
1775                         rss_tbl_new[entry] = grp->reta[grp_idx];
1776                 }
1777         }
1778
1779         if (sa->state == SFC_ADAPTER_STARTED) {
1780                 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1781                                           rss_tbl_new, EFX_RSS_TBL_SIZE);
1782                 if (rc != 0)
1783                         goto fail_scale_tbl_set;
1784         }
1785
1786         rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
1787
1788 fail_scale_tbl_set:
1789 bad_reta_entry:
1790         sfc_adapter_unlock(sa);
1791
1792         rte_free(rss_tbl_new);
1793
1794         SFC_ASSERT(rc >= 0);
1795         return -rc;
1796 }
1797
1798 static int
1799 sfc_dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
1800                      const struct rte_flow_ops **ops)
1801 {
1802         *ops = &sfc_flow_ops;
1803         return 0;
1804 }
1805
1806 static int
1807 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
1808 {
1809         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1810
1811         /*
1812          * If Rx datapath does not provide callback to check mempool,
1813          * all pools are supported.
1814          */
1815         if (sap->dp_rx->pool_ops_supported == NULL)
1816                 return 1;
1817
1818         return sap->dp_rx->pool_ops_supported(pool);
1819 }
1820
1821 static int
1822 sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1823 {
1824         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1825         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1826         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1827         struct sfc_rxq_info *rxq_info;
1828
1829         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1830
1831         return sap->dp_rx->intr_enable(rxq_info->dp);
1832 }
1833
1834 static int
1835 sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1836 {
1837         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1838         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1839         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1840         struct sfc_rxq_info *rxq_info;
1841
1842         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1843
1844         return sap->dp_rx->intr_disable(rxq_info->dp);
1845 }
1846
1847 static const struct eth_dev_ops sfc_eth_dev_ops = {
1848         .dev_configure                  = sfc_dev_configure,
1849         .dev_start                      = sfc_dev_start,
1850         .dev_stop                       = sfc_dev_stop,
1851         .dev_set_link_up                = sfc_dev_set_link_up,
1852         .dev_set_link_down              = sfc_dev_set_link_down,
1853         .dev_close                      = sfc_dev_close,
1854         .promiscuous_enable             = sfc_dev_promisc_enable,
1855         .promiscuous_disable            = sfc_dev_promisc_disable,
1856         .allmulticast_enable            = sfc_dev_allmulti_enable,
1857         .allmulticast_disable           = sfc_dev_allmulti_disable,
1858         .link_update                    = sfc_dev_link_update,
1859         .stats_get                      = sfc_stats_get,
1860         .stats_reset                    = sfc_stats_reset,
1861         .xstats_get                     = sfc_xstats_get,
1862         .xstats_reset                   = sfc_stats_reset,
1863         .xstats_get_names               = sfc_xstats_get_names,
1864         .dev_infos_get                  = sfc_dev_infos_get,
1865         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
1866         .mtu_set                        = sfc_dev_set_mtu,
1867         .rx_queue_start                 = sfc_rx_queue_start,
1868         .rx_queue_stop                  = sfc_rx_queue_stop,
1869         .tx_queue_start                 = sfc_tx_queue_start,
1870         .tx_queue_stop                  = sfc_tx_queue_stop,
1871         .rx_queue_setup                 = sfc_rx_queue_setup,
1872         .rx_queue_release               = sfc_rx_queue_release,
1873         .rx_queue_intr_enable           = sfc_rx_queue_intr_enable,
1874         .rx_queue_intr_disable          = sfc_rx_queue_intr_disable,
1875         .tx_queue_setup                 = sfc_tx_queue_setup,
1876         .tx_queue_release               = sfc_tx_queue_release,
1877         .flow_ctrl_get                  = sfc_flow_ctrl_get,
1878         .flow_ctrl_set                  = sfc_flow_ctrl_set,
1879         .mac_addr_set                   = sfc_mac_addr_set,
1880         .udp_tunnel_port_add            = sfc_dev_udp_tunnel_port_add,
1881         .udp_tunnel_port_del            = sfc_dev_udp_tunnel_port_del,
1882         .reta_update                    = sfc_dev_rss_reta_update,
1883         .reta_query                     = sfc_dev_rss_reta_query,
1884         .rss_hash_update                = sfc_dev_rss_hash_update,
1885         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
1886         .flow_ops_get                   = sfc_dev_flow_ops_get,
1887         .set_mc_addr_list               = sfc_set_mc_addr_list,
1888         .rxq_info_get                   = sfc_rx_queue_info_get,
1889         .txq_info_get                   = sfc_tx_queue_info_get,
1890         .fw_version_get                 = sfc_fw_version_get,
1891         .xstats_get_by_id               = sfc_xstats_get_by_id,
1892         .xstats_get_names_by_id         = sfc_xstats_get_names_by_id,
1893         .pool_ops_supported             = sfc_pool_ops_supported,
1894 };
1895
1896 /**
1897  * Duplicate a string in potentially shared memory required for
1898  * multi-process support.
1899  *
1900  * strdup() allocates from process-local heap/memory.
1901  */
1902 static char *
1903 sfc_strdup(const char *str)
1904 {
1905         size_t size;
1906         char *copy;
1907
1908         if (str == NULL)
1909                 return NULL;
1910
1911         size = strlen(str) + 1;
1912         copy = rte_malloc(__func__, size, 0);
1913         if (copy != NULL)
1914                 rte_memcpy(copy, str, size);
1915
1916         return copy;
1917 }
1918
1919 static int
1920 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1921 {
1922         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1923         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1924         const struct sfc_dp_rx *dp_rx;
1925         const struct sfc_dp_tx *dp_tx;
1926         const efx_nic_cfg_t *encp;
1927         unsigned int avail_caps = 0;
1928         const char *rx_name = NULL;
1929         const char *tx_name = NULL;
1930         int rc;
1931
1932         switch (sa->family) {
1933         case EFX_FAMILY_HUNTINGTON:
1934         case EFX_FAMILY_MEDFORD:
1935         case EFX_FAMILY_MEDFORD2:
1936                 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1937                 avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX;
1938                 avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX;
1939                 break;
1940         case EFX_FAMILY_RIVERHEAD:
1941                 avail_caps |= SFC_DP_HW_FW_CAP_EF100;
1942                 break;
1943         default:
1944                 break;
1945         }
1946
1947         encp = efx_nic_cfg_get(sa->nic);
1948         if (encp->enc_rx_es_super_buffer_supported)
1949                 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
1950
1951         rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1952                                 sfc_kvarg_string_handler, &rx_name);
1953         if (rc != 0)
1954                 goto fail_kvarg_rx_datapath;
1955
1956         if (rx_name != NULL) {
1957                 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1958                 if (dp_rx == NULL) {
1959                         sfc_err(sa, "Rx datapath %s not found", rx_name);
1960                         rc = ENOENT;
1961                         goto fail_dp_rx;
1962                 }
1963                 if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
1964                         sfc_err(sa,
1965                                 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1966                                 rx_name);
1967                         rc = EINVAL;
1968                         goto fail_dp_rx_caps;
1969                 }
1970         } else {
1971                 dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1972                 if (dp_rx == NULL) {
1973                         sfc_err(sa, "Rx datapath by caps %#x not found",
1974                                 avail_caps);
1975                         rc = ENOENT;
1976                         goto fail_dp_rx;
1977                 }
1978         }
1979
1980         sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
1981         if (sas->dp_rx_name == NULL) {
1982                 rc = ENOMEM;
1983                 goto fail_dp_rx_name;
1984         }
1985
1986         sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
1987
1988         rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1989                                 sfc_kvarg_string_handler, &tx_name);
1990         if (rc != 0)
1991                 goto fail_kvarg_tx_datapath;
1992
1993         if (tx_name != NULL) {
1994                 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1995                 if (dp_tx == NULL) {
1996                         sfc_err(sa, "Tx datapath %s not found", tx_name);
1997                         rc = ENOENT;
1998                         goto fail_dp_tx;
1999                 }
2000                 if (!sfc_dp_match_hw_fw_caps(&dp_tx->dp, avail_caps)) {
2001                         sfc_err(sa,
2002                                 "Insufficient Hw/FW capabilities to use Tx datapath %s",
2003                                 tx_name);
2004                         rc = EINVAL;
2005                         goto fail_dp_tx_caps;
2006                 }
2007         } else {
2008                 dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
2009                 if (dp_tx == NULL) {
2010                         sfc_err(sa, "Tx datapath by caps %#x not found",
2011                                 avail_caps);
2012                         rc = ENOENT;
2013                         goto fail_dp_tx;
2014                 }
2015         }
2016
2017         sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
2018         if (sas->dp_tx_name == NULL) {
2019                 rc = ENOMEM;
2020                 goto fail_dp_tx_name;
2021         }
2022
2023         sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
2024
2025         sa->priv.dp_rx = dp_rx;
2026         sa->priv.dp_tx = dp_tx;
2027
2028         dev->rx_pkt_burst = dp_rx->pkt_burst;
2029         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2030         dev->tx_pkt_burst = dp_tx->pkt_burst;
2031
2032         dev->rx_queue_count = sfc_rx_queue_count;
2033         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2034         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2035         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2036         dev->dev_ops = &sfc_eth_dev_ops;
2037
2038         return 0;
2039
2040 fail_dp_tx_name:
2041 fail_dp_tx_caps:
2042 fail_dp_tx:
2043 fail_kvarg_tx_datapath:
2044         rte_free(sas->dp_rx_name);
2045         sas->dp_rx_name = NULL;
2046
2047 fail_dp_rx_name:
2048 fail_dp_rx_caps:
2049 fail_dp_rx:
2050 fail_kvarg_rx_datapath:
2051         return rc;
2052 }
2053
2054 static void
2055 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
2056 {
2057         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
2058         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2059
2060         dev->dev_ops = NULL;
2061         dev->tx_pkt_prepare = NULL;
2062         dev->rx_pkt_burst = NULL;
2063         dev->tx_pkt_burst = NULL;
2064
2065         rte_free(sas->dp_tx_name);
2066         sas->dp_tx_name = NULL;
2067         sa->priv.dp_tx = NULL;
2068
2069         rte_free(sas->dp_rx_name);
2070         sas->dp_rx_name = NULL;
2071         sa->priv.dp_rx = NULL;
2072 }
2073
2074 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
2075         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
2076         .reta_query                     = sfc_dev_rss_reta_query,
2077         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
2078         .rxq_info_get                   = sfc_rx_queue_info_get,
2079         .txq_info_get                   = sfc_tx_queue_info_get,
2080 };
2081
2082 static int
2083 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
2084 {
2085         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2086         struct sfc_adapter_priv *sap;
2087         const struct sfc_dp_rx *dp_rx;
2088         const struct sfc_dp_tx *dp_tx;
2089         int rc;
2090
2091         /*
2092          * Allocate process private data from heap, since it should not
2093          * be located in shared memory allocated using rte_malloc() API.
2094          */
2095         sap = calloc(1, sizeof(*sap));
2096         if (sap == NULL) {
2097                 rc = ENOMEM;
2098                 goto fail_alloc_priv;
2099         }
2100
2101         sap->logtype_main = logtype_main;
2102
2103         dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
2104         if (dp_rx == NULL) {
2105                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2106                         "cannot find %s Rx datapath", sas->dp_rx_name);
2107                 rc = ENOENT;
2108                 goto fail_dp_rx;
2109         }
2110         if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
2111                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2112                         "%s Rx datapath does not support multi-process",
2113                         sas->dp_rx_name);
2114                 rc = EINVAL;
2115                 goto fail_dp_rx_multi_process;
2116         }
2117
2118         dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
2119         if (dp_tx == NULL) {
2120                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2121                         "cannot find %s Tx datapath", sas->dp_tx_name);
2122                 rc = ENOENT;
2123                 goto fail_dp_tx;
2124         }
2125         if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
2126                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2127                         "%s Tx datapath does not support multi-process",
2128                         sas->dp_tx_name);
2129                 rc = EINVAL;
2130                 goto fail_dp_tx_multi_process;
2131         }
2132
2133         sap->dp_rx = dp_rx;
2134         sap->dp_tx = dp_tx;
2135
2136         dev->process_private = sap;
2137         dev->rx_pkt_burst = dp_rx->pkt_burst;
2138         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2139         dev->tx_pkt_burst = dp_tx->pkt_burst;
2140         dev->rx_queue_count = sfc_rx_queue_count;
2141         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2142         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2143         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2144         dev->dev_ops = &sfc_eth_dev_secondary_ops;
2145
2146         return 0;
2147
2148 fail_dp_tx_multi_process:
2149 fail_dp_tx:
2150 fail_dp_rx_multi_process:
2151 fail_dp_rx:
2152         free(sap);
2153
2154 fail_alloc_priv:
2155         return rc;
2156 }
2157
2158 static void
2159 sfc_register_dp(void)
2160 {
2161         /* Register once */
2162         if (TAILQ_EMPTY(&sfc_dp_head)) {
2163                 /* Prefer EF10 datapath */
2164                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_rx.dp);
2165                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp);
2166                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
2167                 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
2168
2169                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_tx.dp);
2170                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
2171                 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
2172                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
2173         }
2174 }
2175
2176 static int
2177 sfc_eth_dev_init(struct rte_eth_dev *dev)
2178 {
2179         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2180         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2181         uint32_t logtype_main;
2182         struct sfc_adapter *sa;
2183         int rc;
2184         const efx_nic_cfg_t *encp;
2185         const struct rte_ether_addr *from;
2186         int ret;
2187
2188         if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
2189                         SFC_EFX_DEV_CLASS_NET) {
2190                 SFC_GENERIC_LOG(DEBUG,
2191                         "Incompatible device class: skip probing, should be probed by other sfc driver.");
2192                 return 1;
2193         }
2194
2195         sfc_register_dp();
2196
2197         logtype_main = sfc_register_logtype(&pci_dev->addr,
2198                                             SFC_LOGTYPE_MAIN_STR,
2199                                             RTE_LOG_NOTICE);
2200
2201         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2202                 return -sfc_eth_dev_secondary_init(dev, logtype_main);
2203
2204         /* Required for logging */
2205         ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix),
2206                         "PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ",
2207                         pci_dev->addr.domain, pci_dev->addr.bus,
2208                         pci_dev->addr.devid, pci_dev->addr.function,
2209                         dev->data->port_id);
2210         if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) {
2211                 SFC_GENERIC_LOG(ERR,
2212                         "reserved log prefix is too short for " PCI_PRI_FMT,
2213                         pci_dev->addr.domain, pci_dev->addr.bus,
2214                         pci_dev->addr.devid, pci_dev->addr.function);
2215                 return -EINVAL;
2216         }
2217         sas->pci_addr = pci_dev->addr;
2218         sas->port_id = dev->data->port_id;
2219
2220         /*
2221          * Allocate process private data from heap, since it should not
2222          * be located in shared memory allocated using rte_malloc() API.
2223          */
2224         sa = calloc(1, sizeof(*sa));
2225         if (sa == NULL) {
2226                 rc = ENOMEM;
2227                 goto fail_alloc_sa;
2228         }
2229
2230         dev->process_private = sa;
2231
2232         /* Required for logging */
2233         sa->priv.shared = sas;
2234         sa->priv.logtype_main = logtype_main;
2235
2236         sa->eth_dev = dev;
2237
2238         /* Copy PCI device info to the dev->data */
2239         rte_eth_copy_pci_info(dev, pci_dev);
2240         dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
2241         dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
2242
2243         rc = sfc_kvargs_parse(sa);
2244         if (rc != 0)
2245                 goto fail_kvargs_parse;
2246
2247         sfc_log_init(sa, "entry");
2248
2249         dev->data->mac_addrs = rte_zmalloc("sfc", RTE_ETHER_ADDR_LEN, 0);
2250         if (dev->data->mac_addrs == NULL) {
2251                 rc = ENOMEM;
2252                 goto fail_mac_addrs;
2253         }
2254
2255         sfc_adapter_lock_init(sa);
2256         sfc_adapter_lock(sa);
2257
2258         sfc_log_init(sa, "probing");
2259         rc = sfc_probe(sa);
2260         if (rc != 0)
2261                 goto fail_probe;
2262
2263         sfc_log_init(sa, "set device ops");
2264         rc = sfc_eth_dev_set_ops(dev);
2265         if (rc != 0)
2266                 goto fail_set_ops;
2267
2268         sfc_log_init(sa, "attaching");
2269         rc = sfc_attach(sa);
2270         if (rc != 0)
2271                 goto fail_attach;
2272
2273         encp = efx_nic_cfg_get(sa->nic);
2274
2275         /*
2276          * The arguments are really reverse order in comparison to
2277          * Linux kernel. Copy from NIC config to Ethernet device data.
2278          */
2279         from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
2280         rte_ether_addr_copy(from, &dev->data->mac_addrs[0]);
2281
2282         sfc_adapter_unlock(sa);
2283
2284         sfc_log_init(sa, "done");
2285         return 0;
2286
2287 fail_attach:
2288         sfc_eth_dev_clear_ops(dev);
2289
2290 fail_set_ops:
2291         sfc_unprobe(sa);
2292
2293 fail_probe:
2294         sfc_adapter_unlock(sa);
2295         sfc_adapter_lock_fini(sa);
2296         rte_free(dev->data->mac_addrs);
2297         dev->data->mac_addrs = NULL;
2298
2299 fail_mac_addrs:
2300         sfc_kvargs_cleanup(sa);
2301
2302 fail_kvargs_parse:
2303         sfc_log_init(sa, "failed %d", rc);
2304         dev->process_private = NULL;
2305         free(sa);
2306
2307 fail_alloc_sa:
2308         SFC_ASSERT(rc > 0);
2309         return -rc;
2310 }
2311
2312 static int
2313 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2314 {
2315         sfc_dev_close(dev);
2316
2317         return 0;
2318 }
2319
2320 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2321         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2322         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2323         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2324         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2325         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2326         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2327         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2328         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2329         { RTE_PCI_DEVICE(EFX_PCI_VENID_XILINX, EFX_PCI_DEVID_RIVERHEAD) },
2330         { .vendor_id = 0 /* sentinel */ }
2331 };
2332
2333 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2334         struct rte_pci_device *pci_dev)
2335 {
2336         return rte_eth_dev_pci_generic_probe(pci_dev,
2337                 sizeof(struct sfc_adapter_shared), sfc_eth_dev_init);
2338 }
2339
2340 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2341 {
2342         return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2343 }
2344
2345 static struct rte_pci_driver sfc_efx_pmd = {
2346         .id_table = pci_id_sfc_efx_map,
2347         .drv_flags =
2348                 RTE_PCI_DRV_INTR_LSC |
2349                 RTE_PCI_DRV_NEED_MAPPING,
2350         .probe = sfc_eth_dev_pci_probe,
2351         .remove = sfc_eth_dev_pci_remove,
2352 };
2353
2354 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2355 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2356 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2357 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2358         SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2359         SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2360         SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2361         SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2362         SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
2363         SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2364
2365 RTE_INIT(sfc_driver_register_logtype)
2366 {
2367         int ret;
2368
2369         ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2370                                                    RTE_LOG_NOTICE);
2371         sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;
2372 }