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         rte_spinlock_lock(&port->mac_stats_lock);
 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         rte_spinlock_unlock(&port->mac_stats_lock);
 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         if (sa->state != SFC_ADAPTER_STARTED) {
 702                 /*
 703                  * The operation cannot be done if port is not started; it
 704                  * will be scheduled to be done during the next port start
 705                  */
 706                 port->mac_stats_reset_pending = B_TRUE;
 707                 return 0;
 708         }
 709
 710         rc = sfc_port_reset_mac_stats(sa);
 711         if (rc != 0)
 712                 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
 713
 714         SFC_ASSERT(rc >= 0);
 715         return -rc;
 716 }
 717
 718 static int
 719 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
 720                unsigned int xstats_count)
 721 {
 722         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 723         struct sfc_port *port = &sa->port;
 724         uint64_t *mac_stats;
 725         int rc;
 726         unsigned int i;
 727         int nstats = 0;
 728
 729         rte_spinlock_lock(&port->mac_stats_lock);
 730
 731         rc = sfc_port_update_mac_stats(sa);
 732         if (rc != 0) {
 733                 SFC_ASSERT(rc > 0);
 734                 nstats = -rc;
 735                 goto unlock;
 736         }
 737
 738         mac_stats = port->mac_stats_buf;
 739
 740         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 741                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 742                         if (xstats != NULL && nstats < (int)xstats_count) {
 743                                 xstats[nstats].id = nstats;
 744                                 xstats[nstats].value = mac_stats[i];
 745                         }
 746                         nstats++;
 747                 }
 748         }
 749
 750 unlock:
 751         rte_spinlock_unlock(&port->mac_stats_lock);
 752
 753         return nstats;
 754 }
 755
 756 static int
 757 sfc_xstats_get_names(struct rte_eth_dev *dev,
 758                      struct rte_eth_xstat_name *xstats_names,
 759                      unsigned int xstats_count)
 760 {
 761         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 762         struct sfc_port *port = &sa->port;
 763         unsigned int i;
 764         unsigned int nstats = 0;
 765
 766         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 767                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 768                         if (xstats_names != NULL && nstats < xstats_count)
 769                                 strlcpy(xstats_names[nstats].name,
 770                                         efx_mac_stat_name(sa->nic, i),
 771                                         sizeof(xstats_names[0].name));
 772                         nstats++;
 773                 }
 774         }
 775
 776         return nstats;
 777 }
 778
 779 static int
 780 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
 781                      uint64_t *values, unsigned int n)
 782 {
 783         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 784         struct sfc_port *port = &sa->port;
 785         uint64_t *mac_stats;
 786         unsigned int nb_supported = 0;
 787         unsigned int nb_written = 0;
 788         unsigned int i;
 789         int ret;
 790         int rc;
 791
 792         if (unlikely(values == NULL) ||
 793             unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
 794                 return port->mac_stats_nb_supported;
 795
 796         rte_spinlock_lock(&port->mac_stats_lock);
 797
 798         rc = sfc_port_update_mac_stats(sa);
 799         if (rc != 0) {
 800                 SFC_ASSERT(rc > 0);
 801                 ret = -rc;
 802                 goto unlock;
 803         }
 804
 805         mac_stats = port->mac_stats_buf;
 806
 807         for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
 808                 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
 809                         continue;
 810
 811                 if ((ids == NULL) || (ids[nb_written] == nb_supported))
 812                         values[nb_written++] = mac_stats[i];
 813
 814                 ++nb_supported;
 815         }
 816
 817         ret = nb_written;
 818
 819 unlock:
 820         rte_spinlock_unlock(&port->mac_stats_lock);
 821
 822         return ret;
 823 }
 824
 825 static int
 826 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
 827                            struct rte_eth_xstat_name *xstats_names,
 828                            const uint64_t *ids, unsigned int size)
 829 {
 830         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 831         struct sfc_port *port = &sa->port;
 832         unsigned int nb_supported = 0;
 833         unsigned int nb_written = 0;
 834         unsigned int i;
 835
 836         if (unlikely(xstats_names == NULL) ||
 837             unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
 838                 return port->mac_stats_nb_supported;
 839
 840         for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
 841                 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
 842                         continue;
 843
 844                 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
 845                         char *name = xstats_names[nb_written++].name;
 846
 847                         strlcpy(name, efx_mac_stat_name(sa->nic, i),
 848                                 sizeof(xstats_names[0].name));
 849                 }
 850
 851                 ++nb_supported;
 852         }
 853
 854         return nb_written;
 855 }
 856
 857 static int
 858 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 859 {
 860         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 861         unsigned int wanted_fc, link_fc;
 862
 863         memset(fc_conf, 0, sizeof(*fc_conf));
 864
 865         sfc_adapter_lock(sa);
 866
 867         if (sa->state == SFC_ADAPTER_STARTED)
 868                 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
 869         else
 870                 link_fc = sa->port.flow_ctrl;
 871
 872         switch (link_fc) {
 873         case 0:
 874                 fc_conf->mode = RTE_FC_NONE;
 875                 break;
 876         case EFX_FCNTL_RESPOND:
 877                 fc_conf->mode = RTE_FC_RX_PAUSE;
 878                 break;
 879         case EFX_FCNTL_GENERATE:
 880                 fc_conf->mode = RTE_FC_TX_PAUSE;
 881                 break;
 882         case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
 883                 fc_conf->mode = RTE_FC_FULL;
 884                 break;
 885         default:
 886                 sfc_err(sa, "%s: unexpected flow control value %#x",
 887                         __func__, link_fc);
 888         }
 889
 890         fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
 891
 892         sfc_adapter_unlock(sa);
 893
 894         return 0;
 895 }
 896
 897 static int
 898 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 899 {
 900         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 901         struct sfc_port *port = &sa->port;
 902         unsigned int fcntl;
 903         int rc;
 904
 905         if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
 906             fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
 907             fc_conf->mac_ctrl_frame_fwd != 0) {
 908                 sfc_err(sa, "unsupported flow control settings specified");
 909                 rc = EINVAL;
 910                 goto fail_inval;
 911         }
 912
 913         switch (fc_conf->mode) {
 914         case RTE_FC_NONE:
 915                 fcntl = 0;
 916                 break;
 917         case RTE_FC_RX_PAUSE:
 918                 fcntl = EFX_FCNTL_RESPOND;
 919                 break;
 920         case RTE_FC_TX_PAUSE:
 921                 fcntl = EFX_FCNTL_GENERATE;
 922                 break;
 923         case RTE_FC_FULL:
 924                 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
 925                 break;
 926         default:
 927                 rc = EINVAL;
 928                 goto fail_inval;
 929         }
 930
 931         sfc_adapter_lock(sa);
 932
 933         if (sa->state == SFC_ADAPTER_STARTED) {
 934                 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
 935                 if (rc != 0)
 936                         goto fail_mac_fcntl_set;
 937         }
 938
 939         port->flow_ctrl = fcntl;
 940         port->flow_ctrl_autoneg = fc_conf->autoneg;
 941
 942         sfc_adapter_unlock(sa);
 943
 944         return 0;
 945
 946 fail_mac_fcntl_set:
 947         sfc_adapter_unlock(sa);
 948 fail_inval:
 949         SFC_ASSERT(rc > 0);
 950         return -rc;
 951 }
 952
 953 static int
 954 sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
 955 {
 956         struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
 957         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 958         boolean_t scatter_enabled;
 959         const char *error;
 960         unsigned int i;
 961
 962         for (i = 0; i < sas->rxq_count; i++) {
 963                 if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
 964                         continue;
 965
 966                 scatter_enabled = (sas->rxq_info[i].type_flags &
 967                                    EFX_RXQ_FLAG_SCATTER);
 968
 969                 if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
 970                                           encp->enc_rx_prefix_size,
 971                                           scatter_enabled,
 972                                           encp->enc_rx_scatter_max, &error)) {
 973                         sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
 974                                 error);
 975                         return EINVAL;
 976                 }
 977         }
 978
 979         return 0;
 980 }
 981
 982 static int
 983 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 984 {
 985         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
 986         size_t pdu = EFX_MAC_PDU(mtu);
 987         size_t old_pdu;
 988         int rc;
 989
 990         sfc_log_init(sa, "mtu=%u", mtu);
 991
 992         rc = EINVAL;
 993         if (pdu < EFX_MAC_PDU_MIN) {
 994                 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
 995                         (unsigned int)mtu, (unsigned int)pdu,
 996                         EFX_MAC_PDU_MIN);
 997                 goto fail_inval;
 998         }
 999         if (pdu > EFX_MAC_PDU_MAX) {
1000                 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
1001                         (unsigned int)mtu, (unsigned int)pdu,
1002                         (unsigned int)EFX_MAC_PDU_MAX);
1003                 goto fail_inval;
1004         }
1005
1006         sfc_adapter_lock(sa);
1007
1008         rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
1009         if (rc != 0)
1010                 goto fail_check_scatter;
1011
1012         if (pdu != sa->port.pdu) {
1013                 if (sa->state == SFC_ADAPTER_STARTED) {
1014                         sfc_stop(sa);
1015
1016                         old_pdu = sa->port.pdu;
1017                         sa->port.pdu = pdu;
1018                         rc = sfc_start(sa);
1019                         if (rc != 0)
1020                                 goto fail_start;
1021                 } else {
1022                         sa->port.pdu = pdu;
1023                 }
1024         }
1025
1026         /*
1027          * The driver does not use it, but other PMDs update jumbo frame
1028          * flag and max_rx_pkt_len when MTU is set.
1029          */
1030         if (mtu > RTE_ETHER_MTU) {
1031                 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
1032                 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1033         }
1034
1035         dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
1036
1037         sfc_adapter_unlock(sa);
1038
1039         sfc_log_init(sa, "done");
1040         return 0;
1041
1042 fail_start:
1043         sa->port.pdu = old_pdu;
1044         if (sfc_start(sa) != 0)
1045                 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
1046                         "PDU max size - port is stopped",
1047                         (unsigned int)pdu, (unsigned int)old_pdu);
1048
1049 fail_check_scatter:
1050         sfc_adapter_unlock(sa);
1051
1052 fail_inval:
1053         sfc_log_init(sa, "failed %d", rc);
1054         SFC_ASSERT(rc > 0);
1055         return -rc;
1056 }
1057 static int
1058 sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1059 {
1060         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1061         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1062         struct sfc_port *port = &sa->port;
1063         struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
1064         int rc = 0;
1065
1066         sfc_adapter_lock(sa);
1067
1068         if (rte_is_same_ether_addr(mac_addr, &port->default_mac_addr))
1069                 goto unlock;
1070
1071         /*
1072          * Copy the address to the device private data so that
1073          * it could be recalled in the case of adapter restart.
1074          */
1075         rte_ether_addr_copy(mac_addr, &port->default_mac_addr);
1076
1077         /*
1078          * Neither of the two following checks can return
1079          * an error. The new MAC address is preserved in
1080          * the device private data and can be activated
1081          * on the next port start if the user prevents
1082          * isolated mode from being enabled.
1083          */
1084         if (sfc_sa2shared(sa)->isolated) {
1085                 sfc_warn(sa, "isolated mode is active on the port");
1086                 sfc_warn(sa, "will not set MAC address");
1087                 goto unlock;
1088         }
1089
1090         if (sa->state != SFC_ADAPTER_STARTED) {
1091                 sfc_notice(sa, "the port is not started");
1092                 sfc_notice(sa, "the new MAC address will be set on port start");
1093
1094                 goto unlock;
1095         }
1096
1097         if (encp->enc_allow_set_mac_with_installed_filters) {
1098                 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
1099                 if (rc != 0) {
1100                         sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
1101                         goto unlock;
1102                 }
1103
1104                 /*
1105                  * Changing the MAC address by means of MCDI request
1106                  * has no effect on received traffic, therefore
1107                  * we also need to update unicast filters
1108                  */
1109                 rc = sfc_set_rx_mode_unchecked(sa);
1110                 if (rc != 0) {
1111                         sfc_err(sa, "cannot set filter (rc = %u)", rc);
1112                         /* Rollback the old address */
1113                         (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
1114                         (void)sfc_set_rx_mode_unchecked(sa);
1115                 }
1116         } else {
1117                 sfc_warn(sa, "cannot set MAC address with filters installed");
1118                 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
1119                 sfc_warn(sa, "(some traffic may be dropped)");
1120
1121                 /*
1122                  * Since setting MAC address with filters installed is not
1123                  * allowed on the adapter, the new MAC address will be set
1124                  * by means of adapter restart. sfc_start() shall retrieve
1125                  * the new address from the device private data and set it.
1126                  */
1127                 sfc_stop(sa);
1128                 rc = sfc_start(sa);
1129                 if (rc != 0)
1130                         sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
1131         }
1132
1133 unlock:
1134         if (rc != 0)
1135                 rte_ether_addr_copy(old_addr, &port->default_mac_addr);
1136
1137         sfc_adapter_unlock(sa);
1138
1139         SFC_ASSERT(rc >= 0);
1140         return -rc;
1141 }
1142
1143
1144 static int
1145 sfc_set_mc_addr_list(struct rte_eth_dev *dev,
1146                 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1147 {
1148         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1149         struct sfc_port *port = &sa->port;
1150         uint8_t *mc_addrs = port->mcast_addrs;
1151         int rc;
1152         unsigned int i;
1153
1154         if (sfc_sa2shared(sa)->isolated) {
1155                 sfc_err(sa, "isolated mode is active on the port");
1156                 sfc_err(sa, "will not set multicast address list");
1157                 return -ENOTSUP;
1158         }
1159
1160         if (mc_addrs == NULL)
1161                 return -ENOBUFS;
1162
1163         if (nb_mc_addr > port->max_mcast_addrs) {
1164                 sfc_err(sa, "too many multicast addresses: %u > %u",
1165                          nb_mc_addr, port->max_mcast_addrs);
1166                 return -EINVAL;
1167         }
1168
1169         for (i = 0; i < nb_mc_addr; ++i) {
1170                 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1171                                  EFX_MAC_ADDR_LEN);
1172                 mc_addrs += EFX_MAC_ADDR_LEN;
1173         }
1174
1175         port->nb_mcast_addrs = nb_mc_addr;
1176
1177         if (sa->state != SFC_ADAPTER_STARTED)
1178                 return 0;
1179
1180         rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1181                                         port->nb_mcast_addrs);
1182         if (rc != 0)
1183                 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1184
1185         SFC_ASSERT(rc >= 0);
1186         return -rc;
1187 }
1188
1189 /*
1190  * The function is used by the secondary process as well. It must not
1191  * use any process-local pointers from the adapter data.
1192  */
1193 static void
1194 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1195                       struct rte_eth_rxq_info *qinfo)
1196 {
1197         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1198         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1199         struct sfc_rxq_info *rxq_info;
1200
1201         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1202
1203         qinfo->mp = rxq_info->refill_mb_pool;
1204         qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
1205         qinfo->conf.rx_drop_en = 1;
1206         qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1207         qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
1208         if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1209                 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1210                 qinfo->scattered_rx = 1;
1211         }
1212         qinfo->nb_desc = rxq_info->entries;
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_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1221                       struct rte_eth_txq_info *qinfo)
1222 {
1223         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1224         struct sfc_txq_info *txq_info;
1225
1226         SFC_ASSERT(ethdev_qid < sas->ethdev_txq_count);
1227
1228         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1229
1230         memset(qinfo, 0, sizeof(*qinfo));
1231
1232         qinfo->conf.offloads = txq_info->offloads;
1233         qinfo->conf.tx_free_thresh = txq_info->free_thresh;
1234         qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1235         qinfo->nb_desc = txq_info->entries;
1236 }
1237
1238 /*
1239  * The function is used by the secondary process as well. It must not
1240  * use any process-local pointers from the adapter data.
1241  */
1242 static uint32_t
1243 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1244 {
1245         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1246         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1247         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1248         struct sfc_rxq_info *rxq_info;
1249
1250         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1251
1252         if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
1253                 return 0;
1254
1255         return sap->dp_rx->qdesc_npending(rxq_info->dp);
1256 }
1257
1258 /*
1259  * The function is used by the secondary process as well. It must not
1260  * use any process-local pointers from the adapter data.
1261  */
1262 static int
1263 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1264 {
1265         struct sfc_dp_rxq *dp_rxq = queue;
1266         const struct sfc_dp_rx *dp_rx;
1267
1268         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1269
1270         return offset < dp_rx->qdesc_npending(dp_rxq);
1271 }
1272
1273 /*
1274  * The function is used by the secondary process as well. It must not
1275  * use any process-local pointers from the adapter data.
1276  */
1277 static int
1278 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1279 {
1280         struct sfc_dp_rxq *dp_rxq = queue;
1281         const struct sfc_dp_rx *dp_rx;
1282
1283         dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1284
1285         return dp_rx->qdesc_status(dp_rxq, offset);
1286 }
1287
1288 /*
1289  * The function is used by the secondary process as well. It must not
1290  * use any process-local pointers from the adapter data.
1291  */
1292 static int
1293 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1294 {
1295         struct sfc_dp_txq *dp_txq = queue;
1296         const struct sfc_dp_tx *dp_tx;
1297
1298         dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
1299
1300         return dp_tx->qdesc_status(dp_txq, offset);
1301 }
1302
1303 static int
1304 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1305 {
1306         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1307         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1308         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1309         struct sfc_rxq_info *rxq_info;
1310         sfc_sw_index_t sw_index;
1311         int rc;
1312
1313         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1314
1315         sfc_adapter_lock(sa);
1316
1317         rc = EINVAL;
1318         if (sa->state != SFC_ADAPTER_STARTED)
1319                 goto fail_not_started;
1320
1321         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1322         if (rxq_info->state != SFC_RXQ_INITIALIZED)
1323                 goto fail_not_setup;
1324
1325         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1326         rc = sfc_rx_qstart(sa, sw_index);
1327         if (rc != 0)
1328                 goto fail_rx_qstart;
1329
1330         rxq_info->deferred_started = B_TRUE;
1331
1332         sfc_adapter_unlock(sa);
1333
1334         return 0;
1335
1336 fail_rx_qstart:
1337 fail_not_setup:
1338 fail_not_started:
1339         sfc_adapter_unlock(sa);
1340         SFC_ASSERT(rc > 0);
1341         return -rc;
1342 }
1343
1344 static int
1345 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1346 {
1347         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1348         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1349         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1350         struct sfc_rxq_info *rxq_info;
1351         sfc_sw_index_t sw_index;
1352
1353         sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1354
1355         sfc_adapter_lock(sa);
1356
1357         sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1358         sfc_rx_qstop(sa, sw_index);
1359
1360         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1361         rxq_info->deferred_started = B_FALSE;
1362
1363         sfc_adapter_unlock(sa);
1364
1365         return 0;
1366 }
1367
1368 static int
1369 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1370 {
1371         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1372         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1373         struct sfc_txq_info *txq_info;
1374         sfc_sw_index_t sw_index;
1375         int rc;
1376
1377         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1378
1379         sfc_adapter_lock(sa);
1380
1381         rc = EINVAL;
1382         if (sa->state != SFC_ADAPTER_STARTED)
1383                 goto fail_not_started;
1384
1385         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1386         if (txq_info->state != SFC_TXQ_INITIALIZED)
1387                 goto fail_not_setup;
1388
1389         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1390         rc = sfc_tx_qstart(sa, sw_index);
1391         if (rc != 0)
1392                 goto fail_tx_qstart;
1393
1394         txq_info->deferred_started = B_TRUE;
1395
1396         sfc_adapter_unlock(sa);
1397         return 0;
1398
1399 fail_tx_qstart:
1400
1401 fail_not_setup:
1402 fail_not_started:
1403         sfc_adapter_unlock(sa);
1404         SFC_ASSERT(rc > 0);
1405         return -rc;
1406 }
1407
1408 static int
1409 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1410 {
1411         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1412         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1413         struct sfc_txq_info *txq_info;
1414         sfc_sw_index_t sw_index;
1415
1416         sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1417
1418         sfc_adapter_lock(sa);
1419
1420         sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1421         sfc_tx_qstop(sa, sw_index);
1422
1423         txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1424         txq_info->deferred_started = B_FALSE;
1425
1426         sfc_adapter_unlock(sa);
1427         return 0;
1428 }
1429
1430 static efx_tunnel_protocol_t
1431 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1432 {
1433         switch (rte_type) {
1434         case RTE_TUNNEL_TYPE_VXLAN:
1435                 return EFX_TUNNEL_PROTOCOL_VXLAN;
1436         case RTE_TUNNEL_TYPE_GENEVE:
1437                 return EFX_TUNNEL_PROTOCOL_GENEVE;
1438         default:
1439                 return EFX_TUNNEL_NPROTOS;
1440         }
1441 }
1442
1443 enum sfc_udp_tunnel_op_e {
1444         SFC_UDP_TUNNEL_ADD_PORT,
1445         SFC_UDP_TUNNEL_DEL_PORT,
1446 };
1447
1448 static int
1449 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1450                       struct rte_eth_udp_tunnel *tunnel_udp,
1451                       enum sfc_udp_tunnel_op_e op)
1452 {
1453         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1454         efx_tunnel_protocol_t tunnel_proto;
1455         int rc;
1456
1457         sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1458                      (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1459                      (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1460                      tunnel_udp->udp_port, tunnel_udp->prot_type);
1461
1462         tunnel_proto =
1463                 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1464         if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1465                 rc = ENOTSUP;
1466                 goto fail_bad_proto;
1467         }
1468
1469         sfc_adapter_lock(sa);
1470
1471         switch (op) {
1472         case SFC_UDP_TUNNEL_ADD_PORT:
1473                 rc = efx_tunnel_config_udp_add(sa->nic,
1474                                                tunnel_udp->udp_port,
1475                                                tunnel_proto);
1476                 break;
1477         case SFC_UDP_TUNNEL_DEL_PORT:
1478                 rc = efx_tunnel_config_udp_remove(sa->nic,
1479                                                   tunnel_udp->udp_port,
1480                                                   tunnel_proto);
1481                 break;
1482         default:
1483                 rc = EINVAL;
1484                 goto fail_bad_op;
1485         }
1486
1487         if (rc != 0)
1488                 goto fail_op;
1489
1490         if (sa->state == SFC_ADAPTER_STARTED) {
1491                 rc = efx_tunnel_reconfigure(sa->nic);
1492                 if (rc == EAGAIN) {
1493                         /*
1494                          * Configuration is accepted by FW and MC reboot
1495                          * is initiated to apply the changes. MC reboot
1496                          * will be handled in a usual way (MC reboot
1497                          * event on management event queue and adapter
1498                          * restart).
1499                          */
1500                         rc = 0;
1501                 } else if (rc != 0) {
1502                         goto fail_reconfigure;
1503                 }
1504         }
1505
1506         sfc_adapter_unlock(sa);
1507         return 0;
1508
1509 fail_reconfigure:
1510         /* Remove/restore entry since the change makes the trouble */
1511         switch (op) {
1512         case SFC_UDP_TUNNEL_ADD_PORT:
1513                 (void)efx_tunnel_config_udp_remove(sa->nic,
1514                                                    tunnel_udp->udp_port,
1515                                                    tunnel_proto);
1516                 break;
1517         case SFC_UDP_TUNNEL_DEL_PORT:
1518                 (void)efx_tunnel_config_udp_add(sa->nic,
1519                                                 tunnel_udp->udp_port,
1520                                                 tunnel_proto);
1521                 break;
1522         }
1523
1524 fail_op:
1525 fail_bad_op:
1526         sfc_adapter_unlock(sa);
1527
1528 fail_bad_proto:
1529         SFC_ASSERT(rc > 0);
1530         return -rc;
1531 }
1532
1533 static int
1534 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1535                             struct rte_eth_udp_tunnel *tunnel_udp)
1536 {
1537         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1538 }
1539
1540 static int
1541 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1542                             struct rte_eth_udp_tunnel *tunnel_udp)
1543 {
1544         return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1545 }
1546
1547 /*
1548  * The function is used by the secondary process as well. It must not
1549  * use any process-local pointers from the adapter data.
1550  */
1551 static int
1552 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1553                           struct rte_eth_rss_conf *rss_conf)
1554 {
1555         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1556         struct sfc_rss *rss = &sas->rss;
1557
1558         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
1559                 return -ENOTSUP;
1560
1561         /*
1562          * Mapping of hash configuration between RTE and EFX is not one-to-one,
1563          * hence, conversion is done here to derive a correct set of ETH_RSS
1564          * flags which corresponds to the active EFX configuration stored
1565          * locally in 'sfc_adapter' and kept up-to-date
1566          */
1567         rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(rss, rss->hash_types);
1568         rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1569         if (rss_conf->rss_key != NULL)
1570                 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
1571
1572         return 0;
1573 }
1574
1575 static int
1576 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1577                         struct rte_eth_rss_conf *rss_conf)
1578 {
1579         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1580         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1581         unsigned int efx_hash_types;
1582         uint32_t contexts[] = {EFX_RSS_CONTEXT_DEFAULT, rss->dummy_rss_context};
1583         unsigned int n_contexts;
1584         unsigned int mode_i = 0;
1585         unsigned int key_i = 0;
1586         unsigned int i = 0;
1587         int rc = 0;
1588
1589         n_contexts = rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT ? 1 : 2;
1590
1591         if (sfc_sa2shared(sa)->isolated)
1592                 return -ENOTSUP;
1593
1594         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1595                 sfc_err(sa, "RSS is not available");
1596                 return -ENOTSUP;
1597         }
1598
1599         if (rss->channels == 0) {
1600                 sfc_err(sa, "RSS is not configured");
1601                 return -EINVAL;
1602         }
1603
1604         if ((rss_conf->rss_key != NULL) &&
1605             (rss_conf->rss_key_len != sizeof(rss->key))) {
1606                 sfc_err(sa, "RSS key size is wrong (should be %zu)",
1607                         sizeof(rss->key));
1608                 return -EINVAL;
1609         }
1610
1611         sfc_adapter_lock(sa);
1612
1613         rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
1614         if (rc != 0)
1615                 goto fail_rx_hf_rte_to_efx;
1616
1617         for (mode_i = 0; mode_i < n_contexts; mode_i++) {
1618                 rc = efx_rx_scale_mode_set(sa->nic, contexts[mode_i],
1619                                            rss->hash_alg, efx_hash_types,
1620                                            B_TRUE);
1621                 if (rc != 0)
1622                         goto fail_scale_mode_set;
1623         }
1624
1625         if (rss_conf->rss_key != NULL) {
1626                 if (sa->state == SFC_ADAPTER_STARTED) {
1627                         for (key_i = 0; key_i < n_contexts; key_i++) {
1628                                 rc = efx_rx_scale_key_set(sa->nic,
1629                                                           contexts[key_i],
1630                                                           rss_conf->rss_key,
1631                                                           sizeof(rss->key));
1632                                 if (rc != 0)
1633                                         goto fail_scale_key_set;
1634                         }
1635                 }
1636
1637                 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
1638         }
1639
1640         rss->hash_types = efx_hash_types;
1641
1642         sfc_adapter_unlock(sa);
1643
1644         return 0;
1645
1646 fail_scale_key_set:
1647         for (i = 0; i < key_i; i++) {
1648                 if (efx_rx_scale_key_set(sa->nic, contexts[i], rss->key,
1649                                          sizeof(rss->key)) != 0)
1650                         sfc_err(sa, "failed to restore RSS key");
1651         }
1652
1653 fail_scale_mode_set:
1654         for (i = 0; i < mode_i; i++) {
1655                 if (efx_rx_scale_mode_set(sa->nic, contexts[i],
1656                                           EFX_RX_HASHALG_TOEPLITZ,
1657                                           rss->hash_types, B_TRUE) != 0)
1658                         sfc_err(sa, "failed to restore RSS mode");
1659         }
1660
1661 fail_rx_hf_rte_to_efx:
1662         sfc_adapter_unlock(sa);
1663         return -rc;
1664 }
1665
1666 /*
1667  * The function is used by the secondary process as well. It must not
1668  * use any process-local pointers from the adapter data.
1669  */
1670 static int
1671 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1672                        struct rte_eth_rss_reta_entry64 *reta_conf,
1673                        uint16_t reta_size)
1674 {
1675         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1676         struct sfc_rss *rss = &sas->rss;
1677         int entry;
1678
1679         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
1680                 return -ENOTSUP;
1681
1682         if (rss->channels == 0)
1683                 return -EINVAL;
1684
1685         if (reta_size != EFX_RSS_TBL_SIZE)
1686                 return -EINVAL;
1687
1688         for (entry = 0; entry < reta_size; entry++) {
1689                 int grp = entry / RTE_RETA_GROUP_SIZE;
1690                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1691
1692                 if ((reta_conf[grp].mask >> grp_idx) & 1)
1693                         reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
1694         }
1695
1696         return 0;
1697 }
1698
1699 static int
1700 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1701                         struct rte_eth_rss_reta_entry64 *reta_conf,
1702                         uint16_t reta_size)
1703 {
1704         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1705         struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1706         unsigned int *rss_tbl_new;
1707         uint16_t entry;
1708         int rc = 0;
1709
1710
1711         if (sfc_sa2shared(sa)->isolated)
1712                 return -ENOTSUP;
1713
1714         if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1715                 sfc_err(sa, "RSS is not available");
1716                 return -ENOTSUP;
1717         }
1718
1719         if (rss->channels == 0) {
1720                 sfc_err(sa, "RSS is not configured");
1721                 return -EINVAL;
1722         }
1723
1724         if (reta_size != EFX_RSS_TBL_SIZE) {
1725                 sfc_err(sa, "RETA size is wrong (should be %u)",
1726                         EFX_RSS_TBL_SIZE);
1727                 return -EINVAL;
1728         }
1729
1730         rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
1731         if (rss_tbl_new == NULL)
1732                 return -ENOMEM;
1733
1734         sfc_adapter_lock(sa);
1735
1736         rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
1737
1738         for (entry = 0; entry < reta_size; entry++) {
1739                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1740                 struct rte_eth_rss_reta_entry64 *grp;
1741
1742                 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1743
1744                 if (grp->mask & (1ull << grp_idx)) {
1745                         if (grp->reta[grp_idx] >= rss->channels) {
1746                                 rc = EINVAL;
1747                                 goto bad_reta_entry;
1748                         }
1749                         rss_tbl_new[entry] = grp->reta[grp_idx];
1750                 }
1751         }
1752
1753         if (sa->state == SFC_ADAPTER_STARTED) {
1754                 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1755                                           rss_tbl_new, EFX_RSS_TBL_SIZE);
1756                 if (rc != 0)
1757                         goto fail_scale_tbl_set;
1758         }
1759
1760         rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
1761
1762 fail_scale_tbl_set:
1763 bad_reta_entry:
1764         sfc_adapter_unlock(sa);
1765
1766         rte_free(rss_tbl_new);
1767
1768         SFC_ASSERT(rc >= 0);
1769         return -rc;
1770 }
1771
1772 static int
1773 sfc_dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
1774                      const struct rte_flow_ops **ops)
1775 {
1776         *ops = &sfc_flow_ops;
1777         return 0;
1778 }
1779
1780 static int
1781 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
1782 {
1783         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1784
1785         /*
1786          * If Rx datapath does not provide callback to check mempool,
1787          * all pools are supported.
1788          */
1789         if (sap->dp_rx->pool_ops_supported == NULL)
1790                 return 1;
1791
1792         return sap->dp_rx->pool_ops_supported(pool);
1793 }
1794
1795 static int
1796 sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1797 {
1798         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1799         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1800         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1801         struct sfc_rxq_info *rxq_info;
1802
1803         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1804
1805         return sap->dp_rx->intr_enable(rxq_info->dp);
1806 }
1807
1808 static int
1809 sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1810 {
1811         const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1812         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1813         sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1814         struct sfc_rxq_info *rxq_info;
1815
1816         rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1817
1818         return sap->dp_rx->intr_disable(rxq_info->dp);
1819 }
1820
1821 static const struct eth_dev_ops sfc_eth_dev_ops = {
1822         .dev_configure                  = sfc_dev_configure,
1823         .dev_start                      = sfc_dev_start,
1824         .dev_stop                       = sfc_dev_stop,
1825         .dev_set_link_up                = sfc_dev_set_link_up,
1826         .dev_set_link_down              = sfc_dev_set_link_down,
1827         .dev_close                      = sfc_dev_close,
1828         .promiscuous_enable             = sfc_dev_promisc_enable,
1829         .promiscuous_disable            = sfc_dev_promisc_disable,
1830         .allmulticast_enable            = sfc_dev_allmulti_enable,
1831         .allmulticast_disable           = sfc_dev_allmulti_disable,
1832         .link_update                    = sfc_dev_link_update,
1833         .stats_get                      = sfc_stats_get,
1834         .stats_reset                    = sfc_stats_reset,
1835         .xstats_get                     = sfc_xstats_get,
1836         .xstats_reset                   = sfc_stats_reset,
1837         .xstats_get_names               = sfc_xstats_get_names,
1838         .dev_infos_get                  = sfc_dev_infos_get,
1839         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
1840         .mtu_set                        = sfc_dev_set_mtu,
1841         .rx_queue_start                 = sfc_rx_queue_start,
1842         .rx_queue_stop                  = sfc_rx_queue_stop,
1843         .tx_queue_start                 = sfc_tx_queue_start,
1844         .tx_queue_stop                  = sfc_tx_queue_stop,
1845         .rx_queue_setup                 = sfc_rx_queue_setup,
1846         .rx_queue_release               = sfc_rx_queue_release,
1847         .rx_queue_intr_enable           = sfc_rx_queue_intr_enable,
1848         .rx_queue_intr_disable          = sfc_rx_queue_intr_disable,
1849         .tx_queue_setup                 = sfc_tx_queue_setup,
1850         .tx_queue_release               = sfc_tx_queue_release,
1851         .flow_ctrl_get                  = sfc_flow_ctrl_get,
1852         .flow_ctrl_set                  = sfc_flow_ctrl_set,
1853         .mac_addr_set                   = sfc_mac_addr_set,
1854         .udp_tunnel_port_add            = sfc_dev_udp_tunnel_port_add,
1855         .udp_tunnel_port_del            = sfc_dev_udp_tunnel_port_del,
1856         .reta_update                    = sfc_dev_rss_reta_update,
1857         .reta_query                     = sfc_dev_rss_reta_query,
1858         .rss_hash_update                = sfc_dev_rss_hash_update,
1859         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
1860         .flow_ops_get                   = sfc_dev_flow_ops_get,
1861         .set_mc_addr_list               = sfc_set_mc_addr_list,
1862         .rxq_info_get                   = sfc_rx_queue_info_get,
1863         .txq_info_get                   = sfc_tx_queue_info_get,
1864         .fw_version_get                 = sfc_fw_version_get,
1865         .xstats_get_by_id               = sfc_xstats_get_by_id,
1866         .xstats_get_names_by_id         = sfc_xstats_get_names_by_id,
1867         .pool_ops_supported             = sfc_pool_ops_supported,
1868 };
1869
1870 /**
1871  * Duplicate a string in potentially shared memory required for
1872  * multi-process support.
1873  *
1874  * strdup() allocates from process-local heap/memory.
1875  */
1876 static char *
1877 sfc_strdup(const char *str)
1878 {
1879         size_t size;
1880         char *copy;
1881
1882         if (str == NULL)
1883                 return NULL;
1884
1885         size = strlen(str) + 1;
1886         copy = rte_malloc(__func__, size, 0);
1887         if (copy != NULL)
1888                 rte_memcpy(copy, str, size);
1889
1890         return copy;
1891 }
1892
1893 static int
1894 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1895 {
1896         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1897         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1898         const struct sfc_dp_rx *dp_rx;
1899         const struct sfc_dp_tx *dp_tx;
1900         const efx_nic_cfg_t *encp;
1901         unsigned int avail_caps = 0;
1902         const char *rx_name = NULL;
1903         const char *tx_name = NULL;
1904         int rc;
1905
1906         switch (sa->family) {
1907         case EFX_FAMILY_HUNTINGTON:
1908         case EFX_FAMILY_MEDFORD:
1909         case EFX_FAMILY_MEDFORD2:
1910                 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1911                 avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX;
1912                 avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX;
1913                 break;
1914         case EFX_FAMILY_RIVERHEAD:
1915                 avail_caps |= SFC_DP_HW_FW_CAP_EF100;
1916                 break;
1917         default:
1918                 break;
1919         }
1920
1921         encp = efx_nic_cfg_get(sa->nic);
1922         if (encp->enc_rx_es_super_buffer_supported)
1923                 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
1924
1925         rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1926                                 sfc_kvarg_string_handler, &rx_name);
1927         if (rc != 0)
1928                 goto fail_kvarg_rx_datapath;
1929
1930         if (rx_name != NULL) {
1931                 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1932                 if (dp_rx == NULL) {
1933                         sfc_err(sa, "Rx datapath %s not found", rx_name);
1934                         rc = ENOENT;
1935                         goto fail_dp_rx;
1936                 }
1937                 if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
1938                         sfc_err(sa,
1939                                 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1940                                 rx_name);
1941                         rc = EINVAL;
1942                         goto fail_dp_rx_caps;
1943                 }
1944         } else {
1945                 dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1946                 if (dp_rx == NULL) {
1947                         sfc_err(sa, "Rx datapath by caps %#x not found",
1948                                 avail_caps);
1949                         rc = ENOENT;
1950                         goto fail_dp_rx;
1951                 }
1952         }
1953
1954         sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
1955         if (sas->dp_rx_name == NULL) {
1956                 rc = ENOMEM;
1957                 goto fail_dp_rx_name;
1958         }
1959
1960         sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
1961
1962         rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1963                                 sfc_kvarg_string_handler, &tx_name);
1964         if (rc != 0)
1965                 goto fail_kvarg_tx_datapath;
1966
1967         if (tx_name != NULL) {
1968                 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1969                 if (dp_tx == NULL) {
1970                         sfc_err(sa, "Tx datapath %s not found", tx_name);
1971                         rc = ENOENT;
1972                         goto fail_dp_tx;
1973                 }
1974                 if (!sfc_dp_match_hw_fw_caps(&dp_tx->dp, avail_caps)) {
1975                         sfc_err(sa,
1976                                 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1977                                 tx_name);
1978                         rc = EINVAL;
1979                         goto fail_dp_tx_caps;
1980                 }
1981         } else {
1982                 dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1983                 if (dp_tx == NULL) {
1984                         sfc_err(sa, "Tx datapath by caps %#x not found",
1985                                 avail_caps);
1986                         rc = ENOENT;
1987                         goto fail_dp_tx;
1988                 }
1989         }
1990
1991         sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
1992         if (sas->dp_tx_name == NULL) {
1993                 rc = ENOMEM;
1994                 goto fail_dp_tx_name;
1995         }
1996
1997         sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
1998
1999         sa->priv.dp_rx = dp_rx;
2000         sa->priv.dp_tx = dp_tx;
2001
2002         dev->rx_pkt_burst = dp_rx->pkt_burst;
2003         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2004         dev->tx_pkt_burst = dp_tx->pkt_burst;
2005
2006         dev->rx_queue_count = sfc_rx_queue_count;
2007         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2008         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2009         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2010         dev->dev_ops = &sfc_eth_dev_ops;
2011
2012         return 0;
2013
2014 fail_dp_tx_name:
2015 fail_dp_tx_caps:
2016 fail_dp_tx:
2017 fail_kvarg_tx_datapath:
2018         rte_free(sas->dp_rx_name);
2019         sas->dp_rx_name = NULL;
2020
2021 fail_dp_rx_name:
2022 fail_dp_rx_caps:
2023 fail_dp_rx:
2024 fail_kvarg_rx_datapath:
2025         return rc;
2026 }
2027
2028 static void
2029 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
2030 {
2031         struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
2032         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2033
2034         dev->dev_ops = NULL;
2035         dev->tx_pkt_prepare = NULL;
2036         dev->rx_pkt_burst = NULL;
2037         dev->tx_pkt_burst = NULL;
2038
2039         rte_free(sas->dp_tx_name);
2040         sas->dp_tx_name = NULL;
2041         sa->priv.dp_tx = NULL;
2042
2043         rte_free(sas->dp_rx_name);
2044         sas->dp_rx_name = NULL;
2045         sa->priv.dp_rx = NULL;
2046 }
2047
2048 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
2049         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
2050         .reta_query                     = sfc_dev_rss_reta_query,
2051         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
2052         .rxq_info_get                   = sfc_rx_queue_info_get,
2053         .txq_info_get                   = sfc_tx_queue_info_get,
2054 };
2055
2056 static int
2057 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
2058 {
2059         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2060         struct sfc_adapter_priv *sap;
2061         const struct sfc_dp_rx *dp_rx;
2062         const struct sfc_dp_tx *dp_tx;
2063         int rc;
2064
2065         /*
2066          * Allocate process private data from heap, since it should not
2067          * be located in shared memory allocated using rte_malloc() API.
2068          */
2069         sap = calloc(1, sizeof(*sap));
2070         if (sap == NULL) {
2071                 rc = ENOMEM;
2072                 goto fail_alloc_priv;
2073         }
2074
2075         sap->logtype_main = logtype_main;
2076
2077         dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
2078         if (dp_rx == NULL) {
2079                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2080                         "cannot find %s Rx datapath", sas->dp_rx_name);
2081                 rc = ENOENT;
2082                 goto fail_dp_rx;
2083         }
2084         if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
2085                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2086                         "%s Rx datapath does not support multi-process",
2087                         sas->dp_rx_name);
2088                 rc = EINVAL;
2089                 goto fail_dp_rx_multi_process;
2090         }
2091
2092         dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
2093         if (dp_tx == NULL) {
2094                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2095                         "cannot find %s Tx datapath", sas->dp_tx_name);
2096                 rc = ENOENT;
2097                 goto fail_dp_tx;
2098         }
2099         if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
2100                 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2101                         "%s Tx datapath does not support multi-process",
2102                         sas->dp_tx_name);
2103                 rc = EINVAL;
2104                 goto fail_dp_tx_multi_process;
2105         }
2106
2107         sap->dp_rx = dp_rx;
2108         sap->dp_tx = dp_tx;
2109
2110         dev->process_private = sap;
2111         dev->rx_pkt_burst = dp_rx->pkt_burst;
2112         dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2113         dev->tx_pkt_burst = dp_tx->pkt_burst;
2114         dev->rx_queue_count = sfc_rx_queue_count;
2115         dev->rx_descriptor_done = sfc_rx_descriptor_done;
2116         dev->rx_descriptor_status = sfc_rx_descriptor_status;
2117         dev->tx_descriptor_status = sfc_tx_descriptor_status;
2118         dev->dev_ops = &sfc_eth_dev_secondary_ops;
2119
2120         return 0;
2121
2122 fail_dp_tx_multi_process:
2123 fail_dp_tx:
2124 fail_dp_rx_multi_process:
2125 fail_dp_rx:
2126         free(sap);
2127
2128 fail_alloc_priv:
2129         return rc;
2130 }
2131
2132 static void
2133 sfc_register_dp(void)
2134 {
2135         /* Register once */
2136         if (TAILQ_EMPTY(&sfc_dp_head)) {
2137                 /* Prefer EF10 datapath */
2138                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_rx.dp);
2139                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp);
2140                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
2141                 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
2142
2143                 sfc_dp_register(&sfc_dp_head, &sfc_ef100_tx.dp);
2144                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
2145                 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
2146                 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
2147         }
2148 }
2149
2150 static int
2151 sfc_eth_dev_init(struct rte_eth_dev *dev)
2152 {
2153         struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2154         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2155         uint32_t logtype_main;
2156         struct sfc_adapter *sa;
2157         int rc;
2158         const efx_nic_cfg_t *encp;
2159         const struct rte_ether_addr *from;
2160         int ret;
2161
2162         if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
2163                         SFC_EFX_DEV_CLASS_NET) {
2164                 SFC_GENERIC_LOG(DEBUG,
2165                         "Incompatible device class: skip probing, should be probed by other sfc driver.");
2166                 return 1;
2167         }
2168
2169         sfc_register_dp();
2170
2171         logtype_main = sfc_register_logtype(&pci_dev->addr,
2172                                             SFC_LOGTYPE_MAIN_STR,
2173                                             RTE_LOG_NOTICE);
2174
2175         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2176                 return -sfc_eth_dev_secondary_init(dev, logtype_main);
2177
2178         /* Required for logging */
2179         ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix),
2180                         "PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ",
2181                         pci_dev->addr.domain, pci_dev->addr.bus,
2182                         pci_dev->addr.devid, pci_dev->addr.function,
2183                         dev->data->port_id);
2184         if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) {
2185                 SFC_GENERIC_LOG(ERR,
2186                         "reserved log prefix is too short for " PCI_PRI_FMT,
2187                         pci_dev->addr.domain, pci_dev->addr.bus,
2188                         pci_dev->addr.devid, pci_dev->addr.function);
2189                 return -EINVAL;
2190         }
2191         sas->pci_addr = pci_dev->addr;
2192         sas->port_id = dev->data->port_id;
2193
2194         /*
2195          * Allocate process private data from heap, since it should not
2196          * be located in shared memory allocated using rte_malloc() API.
2197          */
2198         sa = calloc(1, sizeof(*sa));
2199         if (sa == NULL) {
2200                 rc = ENOMEM;
2201                 goto fail_alloc_sa;
2202         }
2203
2204         dev->process_private = sa;
2205
2206         /* Required for logging */
2207         sa->priv.shared = sas;
2208         sa->priv.logtype_main = logtype_main;
2209
2210         sa->eth_dev = dev;
2211
2212         /* Copy PCI device info to the dev->data */
2213         rte_eth_copy_pci_info(dev, pci_dev);
2214         dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
2215         dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
2216
2217         rc = sfc_kvargs_parse(sa);
2218         if (rc != 0)
2219                 goto fail_kvargs_parse;
2220
2221         sfc_log_init(sa, "entry");
2222
2223         dev->data->mac_addrs = rte_zmalloc("sfc", RTE_ETHER_ADDR_LEN, 0);
2224         if (dev->data->mac_addrs == NULL) {
2225                 rc = ENOMEM;
2226                 goto fail_mac_addrs;
2227         }
2228
2229         sfc_adapter_lock_init(sa);
2230         sfc_adapter_lock(sa);
2231
2232         sfc_log_init(sa, "probing");
2233         rc = sfc_probe(sa);
2234         if (rc != 0)
2235                 goto fail_probe;
2236
2237         sfc_log_init(sa, "set device ops");
2238         rc = sfc_eth_dev_set_ops(dev);
2239         if (rc != 0)
2240                 goto fail_set_ops;
2241
2242         sfc_log_init(sa, "attaching");
2243         rc = sfc_attach(sa);
2244         if (rc != 0)
2245                 goto fail_attach;
2246
2247         encp = efx_nic_cfg_get(sa->nic);
2248
2249         /*
2250          * The arguments are really reverse order in comparison to
2251          * Linux kernel. Copy from NIC config to Ethernet device data.
2252          */
2253         from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
2254         rte_ether_addr_copy(from, &dev->data->mac_addrs[0]);
2255
2256         sfc_adapter_unlock(sa);
2257
2258         sfc_log_init(sa, "done");
2259         return 0;
2260
2261 fail_attach:
2262         sfc_eth_dev_clear_ops(dev);
2263
2264 fail_set_ops:
2265         sfc_unprobe(sa);
2266
2267 fail_probe:
2268         sfc_adapter_unlock(sa);
2269         sfc_adapter_lock_fini(sa);
2270         rte_free(dev->data->mac_addrs);
2271         dev->data->mac_addrs = NULL;
2272
2273 fail_mac_addrs:
2274         sfc_kvargs_cleanup(sa);
2275
2276 fail_kvargs_parse:
2277         sfc_log_init(sa, "failed %d", rc);
2278         dev->process_private = NULL;
2279         free(sa);
2280
2281 fail_alloc_sa:
2282         SFC_ASSERT(rc > 0);
2283         return -rc;
2284 }
2285
2286 static int
2287 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2288 {
2289         sfc_dev_close(dev);
2290
2291         return 0;
2292 }
2293
2294 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2295         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2296         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2297         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2298         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2299         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2300         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2301         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2302         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2303         { RTE_PCI_DEVICE(EFX_PCI_VENID_XILINX, EFX_PCI_DEVID_RIVERHEAD) },
2304         { .vendor_id = 0 /* sentinel */ }
2305 };
2306
2307 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2308         struct rte_pci_device *pci_dev)
2309 {
2310         return rte_eth_dev_pci_generic_probe(pci_dev,
2311                 sizeof(struct sfc_adapter_shared), sfc_eth_dev_init);
2312 }
2313
2314 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2315 {
2316         return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2317 }
2318
2319 static struct rte_pci_driver sfc_efx_pmd = {
2320         .id_table = pci_id_sfc_efx_map,
2321         .drv_flags =
2322                 RTE_PCI_DRV_INTR_LSC |
2323                 RTE_PCI_DRV_NEED_MAPPING,
2324         .probe = sfc_eth_dev_pci_probe,
2325         .remove = sfc_eth_dev_pci_remove,
2326 };
2327
2328 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2329 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2330 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2331 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2332         SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2333         SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2334         SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2335         SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2336         SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
2337         SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2338
2339 RTE_INIT(sfc_driver_register_logtype)
2340 {
2341         int ret;
2342
2343         ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2344                                                    RTE_LOG_NOTICE);
2345         sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;
2346 }