drivers/net/enic/enic_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdint.h>
   8
   9 #include <rte_dev.h>
  10 #include <rte_pci.h>
  11 #include <rte_bus_pci.h>
  12 #include <rte_ethdev_driver.h>
  13 #include <rte_ethdev_pci.h>
  14 #include <rte_string_fns.h>
  15
  16 #include "vnic_intr.h"
  17 #include "vnic_cq.h"
  18 #include "vnic_wq.h"
  19 #include "vnic_rq.h"
  20 #include "vnic_enet.h"
  21 #include "enic.h"
  22
  23 int enicpmd_logtype_init;
  24 int enicpmd_logtype_flow;
  25
  26 #define PMD_INIT_LOG(level, fmt, args...) \
  27         rte_log(RTE_LOG_ ## level, enicpmd_logtype_init, \
  28                 "%s" fmt "\n", __func__, ##args)
  29
  30 #define ENICPMD_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
  31
  32 /*
  33  * The set of PCI devices this driver supports
  34  */
  35 #define CISCO_PCI_VENDOR_ID 0x1137
  36 static const struct rte_pci_id pci_id_enic_map[] = {
  37         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  38         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  39         {.vendor_id = 0, /* sentinel */},
  40 };
  41
  42 RTE_INIT(enicpmd_init_log);
  43 static void
  44 enicpmd_init_log(void)
  45 {
  46         enicpmd_logtype_init = rte_log_register("pmd.enic.init");
  47         if (enicpmd_logtype_init >= 0)
  48                 rte_log_set_level(enicpmd_logtype_init, RTE_LOG_NOTICE);
  49         enicpmd_logtype_flow = rte_log_register("pmd.enic.flow");
  50         if (enicpmd_logtype_flow >= 0)
  51                 rte_log_set_level(enicpmd_logtype_flow, RTE_LOG_NOTICE);
  52 }
  53
  54 static int
  55 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  56                         enum rte_filter_op filter_op, void *arg)
  57 {
  58         struct enic *enic = pmd_priv(eth_dev);
  59         int ret = 0;
  60
  61         ENICPMD_FUNC_TRACE();
  62         if (filter_op == RTE_ETH_FILTER_NOP)
  63                 return 0;
  64
  65         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  66                 return -EINVAL;
  67
  68         switch (filter_op) {
  69         case RTE_ETH_FILTER_ADD:
  70         case RTE_ETH_FILTER_UPDATE:
  71                 ret = enic_fdir_add_fltr(enic,
  72                         (struct rte_eth_fdir_filter *)arg);
  73                 break;
  74
  75         case RTE_ETH_FILTER_DELETE:
  76                 ret = enic_fdir_del_fltr(enic,
  77                         (struct rte_eth_fdir_filter *)arg);
  78                 break;
  79
  80         case RTE_ETH_FILTER_STATS:
  81                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  82                 break;
  83
  84         case RTE_ETH_FILTER_FLUSH:
  85                 dev_warning(enic, "unsupported operation %u", filter_op);
  86                 ret = -ENOTSUP;
  87                 break;
  88         case RTE_ETH_FILTER_INFO:
  89                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
  90                 break;
  91         default:
  92                 dev_err(enic, "unknown operation %u", filter_op);
  93                 ret = -EINVAL;
  94                 break;
  95         }
  96         return ret;
  97 }
  98
  99 static int
 100 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 101                      enum rte_filter_type filter_type,
 102                      enum rte_filter_op filter_op,
 103                      void *arg)
 104 {
 105         int ret = 0;
 106
 107         ENICPMD_FUNC_TRACE();
 108
 109         switch (filter_type) {
 110         case RTE_ETH_FILTER_GENERIC:
 111                 if (filter_op != RTE_ETH_FILTER_GET)
 112                         return -EINVAL;
 113                 *(const void **)arg = &enic_flow_ops;
 114                 break;
 115         case RTE_ETH_FILTER_FDIR:
 116                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 117                 break;
 118         default:
 119                 dev_warning(enic, "Filter type (%d) not supported",
 120                         filter_type);
 121                 ret = -EINVAL;
 122                 break;
 123         }
 124
 125         return ret;
 126 }
 127
 128 static void enicpmd_dev_tx_queue_release(void *txq)
 129 {
 130         ENICPMD_FUNC_TRACE();
 131
 132         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 133                 return;
 134
 135         enic_free_wq(txq);
 136 }
 137
 138 static int enicpmd_dev_setup_intr(struct enic *enic)
 139 {
 140         int ret;
 141         unsigned int index;
 142
 143         ENICPMD_FUNC_TRACE();
 144
 145         /* Are we done with the init of all the queues? */
 146         for (index = 0; index < enic->cq_count; index++) {
 147                 if (!enic->cq[index].ctrl)
 148                         break;
 149         }
 150         if (enic->cq_count != index)
 151                 return 0;
 152         for (index = 0; index < enic->wq_count; index++) {
 153                 if (!enic->wq[index].ctrl)
 154                         break;
 155         }
 156         if (enic->wq_count != index)
 157                 return 0;
 158         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 159         for (index = 0; index < enic->rq_count; index++) {
 160                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 161                         break;
 162         }
 163         if (enic->rq_count != index)
 164                 return 0;
 165
 166         ret = enic_alloc_intr_resources(enic);
 167         if (ret) {
 168                 dev_err(enic, "alloc intr failed\n");
 169                 return ret;
 170         }
 171         enic_init_vnic_resources(enic);
 172
 173         ret = enic_setup_finish(enic);
 174         if (ret)
 175                 dev_err(enic, "setup could not be finished\n");
 176
 177         return ret;
 178 }
 179
 180 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 181         uint16_t queue_idx,
 182         uint16_t nb_desc,
 183         unsigned int socket_id,
 184         __rte_unused const struct rte_eth_txconf *tx_conf)
 185 {
 186         int ret;
 187         struct enic *enic = pmd_priv(eth_dev);
 188
 189         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 190                 return -E_RTE_SECONDARY;
 191
 192         ENICPMD_FUNC_TRACE();
 193         if (queue_idx >= ENIC_WQ_MAX) {
 194                 dev_err(enic,
 195                         "Max number of TX queues exceeded.  Max is %d\n",
 196                         ENIC_WQ_MAX);
 197                 return -EINVAL;
 198         }
 199
 200         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 201
 202         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 203         if (ret) {
 204                 dev_err(enic, "error in allocating wq\n");
 205                 return ret;
 206         }
 207
 208         return enicpmd_dev_setup_intr(enic);
 209 }
 210
 211 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 212         uint16_t queue_idx)
 213 {
 214         struct enic *enic = pmd_priv(eth_dev);
 215
 216         ENICPMD_FUNC_TRACE();
 217
 218         enic_start_wq(enic, queue_idx);
 219
 220         return 0;
 221 }
 222
 223 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 224         uint16_t queue_idx)
 225 {
 226         int ret;
 227         struct enic *enic = pmd_priv(eth_dev);
 228
 229         ENICPMD_FUNC_TRACE();
 230
 231         ret = enic_stop_wq(enic, queue_idx);
 232         if (ret)
 233                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 234
 235         return ret;
 236 }
 237
 238 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 239         uint16_t queue_idx)
 240 {
 241         struct enic *enic = pmd_priv(eth_dev);
 242
 243         ENICPMD_FUNC_TRACE();
 244
 245         enic_start_rq(enic, queue_idx);
 246
 247         return 0;
 248 }
 249
 250 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 251         uint16_t queue_idx)
 252 {
 253         int ret;
 254         struct enic *enic = pmd_priv(eth_dev);
 255
 256         ENICPMD_FUNC_TRACE();
 257
 258         ret = enic_stop_rq(enic, queue_idx);
 259         if (ret)
 260                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 261
 262         return ret;
 263 }
 264
 265 static void enicpmd_dev_rx_queue_release(void *rxq)
 266 {
 267         ENICPMD_FUNC_TRACE();
 268
 269         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 270                 return;
 271
 272         enic_free_rq(rxq);
 273 }
 274
 275 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 276                                            uint16_t rx_queue_id)
 277 {
 278         struct enic *enic = pmd_priv(dev);
 279         uint32_t queue_count = 0;
 280         struct vnic_cq *cq;
 281         uint32_t cq_tail;
 282         uint16_t cq_idx;
 283         int rq_num;
 284
 285         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 286         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 287         cq_idx = cq->to_clean;
 288
 289         cq_tail = ioread32(&cq->ctrl->cq_tail);
 290
 291         if (cq_tail < cq_idx)
 292                 cq_tail += cq->ring.desc_count;
 293
 294         queue_count = cq_tail - cq_idx;
 295
 296         return queue_count;
 297 }
 298
 299 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 300         uint16_t queue_idx,
 301         uint16_t nb_desc,
 302         unsigned int socket_id,
 303         const struct rte_eth_rxconf *rx_conf,
 304         struct rte_mempool *mp)
 305 {
 306         int ret;
 307         struct enic *enic = pmd_priv(eth_dev);
 308
 309         ENICPMD_FUNC_TRACE();
 310
 311         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 312                 return -E_RTE_SECONDARY;
 313
 314         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 315          * by the application.
 316          */
 317         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 318                 dev_err(enic,
 319                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 320                         ENIC_RQ_MAX);
 321                 return -EINVAL;
 322         }
 323
 324         eth_dev->data->rx_queues[queue_idx] =
 325                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 326
 327         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 328                             rx_conf->rx_free_thresh);
 329         if (ret) {
 330                 dev_err(enic, "error in allocating rq\n");
 331                 return ret;
 332         }
 333
 334         return enicpmd_dev_setup_intr(enic);
 335 }
 336
 337 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 338         uint16_t vlan_id, int on)
 339 {
 340         struct enic *enic = pmd_priv(eth_dev);
 341         int err;
 342
 343         ENICPMD_FUNC_TRACE();
 344         if (on)
 345                 err = enic_add_vlan(enic, vlan_id);
 346         else
 347                 err = enic_del_vlan(enic, vlan_id);
 348         return err;
 349 }
 350
 351 static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 352 {
 353         struct enic *enic = pmd_priv(eth_dev);
 354
 355         ENICPMD_FUNC_TRACE();
 356
 357         if (mask & ETH_VLAN_STRIP_MASK) {
 358                 if (eth_dev->data->dev_conf.rxmode.offloads &
 359                     DEV_RX_OFFLOAD_VLAN_STRIP)
 360                         enic->ig_vlan_strip_en = 1;
 361                 else
 362                         enic->ig_vlan_strip_en = 0;
 363         }
 364         enic_set_rss_nic_cfg(enic);
 365
 366
 367         if (mask & ETH_VLAN_FILTER_MASK) {
 368                 dev_warning(enic,
 369                         "Configuration of VLAN filter is not supported\n");
 370         }
 371
 372         if (mask & ETH_VLAN_EXTEND_MASK) {
 373                 dev_warning(enic,
 374                         "Configuration of extended VLAN is not supported\n");
 375         }
 376
 377         return 0;
 378 }
 379
 380 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 381 {
 382         int ret;
 383         struct enic *enic = pmd_priv(eth_dev);
 384
 385         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 386                 return -E_RTE_SECONDARY;
 387
 388         ENICPMD_FUNC_TRACE();
 389         ret = enic_set_vnic_res(enic);
 390         if (ret) {
 391                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 392                 return ret;
 393         }
 394
 395         enic->hw_ip_checksum = !!(eth_dev->data->dev_conf.rxmode.offloads &
 396                                   DEV_RX_OFFLOAD_CHECKSUM);
 397         ret = enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 398
 399         return ret;
 400 }
 401
 402 /* Start the device.
 403  * It returns 0 on success.
 404  */
 405 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 406 {
 407         struct enic *enic = pmd_priv(eth_dev);
 408
 409         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 410                 return -E_RTE_SECONDARY;
 411
 412         ENICPMD_FUNC_TRACE();
 413         return enic_enable(enic);
 414 }
 415
 416 /*
 417  * Stop device: disable rx and tx functions to allow for reconfiguring.
 418  */
 419 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 420 {
 421         struct rte_eth_link link;
 422         struct enic *enic = pmd_priv(eth_dev);
 423
 424         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 425                 return;
 426
 427         ENICPMD_FUNC_TRACE();
 428         enic_disable(enic);
 429         memset(&link, 0, sizeof(link));
 430         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 431                 *(uint64_t *)&eth_dev->data->dev_link,
 432                 *(uint64_t *)&link);
 433 }
 434
 435 /*
 436  * Stop device.
 437  */
 438 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 439 {
 440         struct enic *enic = pmd_priv(eth_dev);
 441
 442         ENICPMD_FUNC_TRACE();
 443         enic_remove(enic);
 444 }
 445
 446 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 447         __rte_unused int wait_to_complete)
 448 {
 449         struct enic *enic = pmd_priv(eth_dev);
 450
 451         ENICPMD_FUNC_TRACE();
 452         return enic_link_update(enic);
 453 }
 454
 455 static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 456         struct rte_eth_stats *stats)
 457 {
 458         struct enic *enic = pmd_priv(eth_dev);
 459
 460         ENICPMD_FUNC_TRACE();
 461         return enic_dev_stats_get(enic, stats);
 462 }
 463
 464 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 465 {
 466         struct enic *enic = pmd_priv(eth_dev);
 467
 468         ENICPMD_FUNC_TRACE();
 469         enic_dev_stats_clear(enic);
 470 }
 471
 472 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 473         struct rte_eth_dev_info *device_info)
 474 {
 475         struct enic *enic = pmd_priv(eth_dev);
 476
 477         ENICPMD_FUNC_TRACE();
 478         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 479         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 480         device_info->max_rx_queues = enic->conf_rq_count / 2;
 481         device_info->max_tx_queues = enic->conf_wq_count;
 482         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 483         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 484         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 485         device_info->rx_offload_capa =
 486                 DEV_RX_OFFLOAD_VLAN_STRIP |
 487                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 488                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 489                 DEV_RX_OFFLOAD_TCP_CKSUM;
 490         device_info->tx_offload_capa =
 491                 DEV_TX_OFFLOAD_VLAN_INSERT |
 492                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 493                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 494                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 495                 DEV_TX_OFFLOAD_TCP_TSO;
 496         device_info->default_rxconf = (struct rte_eth_rxconf) {
 497                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 498         };
 499 }
 500
 501 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 502 {
 503         static const uint32_t ptypes[] = {
 504                 RTE_PTYPE_L2_ETHER,
 505                 RTE_PTYPE_L2_ETHER_VLAN,
 506                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 507                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 508                 RTE_PTYPE_L4_TCP,
 509                 RTE_PTYPE_L4_UDP,
 510                 RTE_PTYPE_L4_FRAG,
 511                 RTE_PTYPE_L4_NONFRAG,
 512                 RTE_PTYPE_UNKNOWN
 513         };
 514
 515         if (dev->rx_pkt_burst == enic_recv_pkts)
 516                 return ptypes;
 517         return NULL;
 518 }
 519
 520 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 521 {
 522         struct enic *enic = pmd_priv(eth_dev);
 523
 524         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 525                 return;
 526
 527         ENICPMD_FUNC_TRACE();
 528
 529         enic->promisc = 1;
 530         enic_add_packet_filter(enic);
 531 }
 532
 533 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 534 {
 535         struct enic *enic = pmd_priv(eth_dev);
 536
 537         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 538                 return;
 539
 540         ENICPMD_FUNC_TRACE();
 541         enic->promisc = 0;
 542         enic_add_packet_filter(enic);
 543 }
 544
 545 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 546 {
 547         struct enic *enic = pmd_priv(eth_dev);
 548
 549         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 550                 return;
 551
 552         ENICPMD_FUNC_TRACE();
 553         enic->allmulti = 1;
 554         enic_add_packet_filter(enic);
 555 }
 556
 557 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 558 {
 559         struct enic *enic = pmd_priv(eth_dev);
 560
 561         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 562                 return;
 563
 564         ENICPMD_FUNC_TRACE();
 565         enic->allmulti = 0;
 566         enic_add_packet_filter(enic);
 567 }
 568
 569 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 570         struct ether_addr *mac_addr,
 571         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 572 {
 573         struct enic *enic = pmd_priv(eth_dev);
 574
 575         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 576                 return -E_RTE_SECONDARY;
 577
 578         ENICPMD_FUNC_TRACE();
 579         return enic_set_mac_address(enic, mac_addr->addr_bytes);
 580 }
 581
 582 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 583 {
 584         struct enic *enic = pmd_priv(eth_dev);
 585
 586         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 587                 return;
 588
 589         ENICPMD_FUNC_TRACE();
 590         enic_del_mac_address(enic, index);
 591 }
 592
 593 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 594 {
 595         struct enic *enic = pmd_priv(eth_dev);
 596
 597         ENICPMD_FUNC_TRACE();
 598         return enic_set_mtu(enic, mtu);
 599 }
 600
 601 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 602         .dev_configure        = enicpmd_dev_configure,
 603         .dev_start            = enicpmd_dev_start,
 604         .dev_stop             = enicpmd_dev_stop,
 605         .dev_set_link_up      = NULL,
 606         .dev_set_link_down    = NULL,
 607         .dev_close            = enicpmd_dev_close,
 608         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 609         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 610         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 611         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 612         .link_update          = enicpmd_dev_link_update,
 613         .stats_get            = enicpmd_dev_stats_get,
 614         .stats_reset          = enicpmd_dev_stats_reset,
 615         .queue_stats_mapping_set = NULL,
 616         .dev_infos_get        = enicpmd_dev_info_get,
 617         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 618         .mtu_set              = enicpmd_mtu_set,
 619         .vlan_filter_set      = enicpmd_vlan_filter_set,
 620         .vlan_tpid_set        = NULL,
 621         .vlan_offload_set     = enicpmd_vlan_offload_set,
 622         .vlan_strip_queue_set = NULL,
 623         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 624         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 625         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 626         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 627         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 628         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 629         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 630         .rx_descriptor_done   = NULL,
 631         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 632         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 633         .dev_led_on           = NULL,
 634         .dev_led_off          = NULL,
 635         .flow_ctrl_get        = NULL,
 636         .flow_ctrl_set        = NULL,
 637         .priority_flow_ctrl_set = NULL,
 638         .mac_addr_add         = enicpmd_add_mac_addr,
 639         .mac_addr_remove      = enicpmd_remove_mac_addr,
 640         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 641 };
 642
 643 struct enic *enicpmd_list_head = NULL;
 644 /* Initialize the driver
 645  * It returns 0 on success.
 646  */
 647 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 648 {
 649         struct rte_pci_device *pdev;
 650         struct rte_pci_addr *addr;
 651         struct enic *enic = pmd_priv(eth_dev);
 652
 653         ENICPMD_FUNC_TRACE();
 654
 655         enic->port_id = eth_dev->data->port_id;
 656         enic->rte_dev = eth_dev;
 657         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 658         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 659         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 660
 661         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
 662         rte_eth_copy_pci_info(eth_dev, pdev);
 663         enic->pdev = pdev;
 664         addr = &pdev->addr;
 665
 666         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 667                 addr->domain, addr->bus, addr->devid, addr->function);
 668
 669         return enic_probe(enic);
 670 }
 671
 672 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 673         struct rte_pci_device *pci_dev)
 674 {
 675         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
 676                 eth_enicpmd_dev_init);
 677 }
 678
 679 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
 680 {
 681         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 682 }
 683
 684 static struct rte_pci_driver rte_enic_pmd = {
 685         .id_table = pci_id_enic_map,
 686         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 687         .probe = eth_enic_pci_probe,
 688         .remove = eth_enic_pci_remove,
 689 };
 690
 691 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
 692 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 693 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");