drivers/net/enic/enic_ethdev.c

   1 /*
   2  * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  *
   5  * Copyright (c) 2014, Cisco Systems, Inc.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  * notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  * notice, this list of conditions and the following disclaimer in
  17  * the documentation and/or other materials provided with the
  18  * distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 #include <stdio.h>
  36 #include <stdint.h>
  37
  38 #include <rte_dev.h>
  39 #include <rte_pci.h>
  40 #include <rte_ethdev.h>
  41 #include <rte_ethdev_pci.h>
  42 #include <rte_string_fns.h>
  43
  44 #include "vnic_intr.h"
  45 #include "vnic_cq.h"
  46 #include "vnic_wq.h"
  47 #include "vnic_rq.h"
  48 #include "vnic_enet.h"
  49 #include "enic.h"
  50
  51 #ifdef RTE_LIBRTE_ENIC_DEBUG
  52 #define ENICPMD_FUNC_TRACE() \
  53         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  54 #else
  55 #define ENICPMD_FUNC_TRACE() (void)0
  56 #endif
  57
  58 /*
  59  * The set of PCI devices this driver supports
  60  */
  61 #define CISCO_PCI_VENDOR_ID 0x1137
  62 static const struct rte_pci_id pci_id_enic_map[] = {
  63         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  64         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  65         {.vendor_id = 0, /* sentinel */},
  66 };
  67
  68 static int
  69 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  70                         enum rte_filter_op filter_op, void *arg)
  71 {
  72         struct enic *enic = pmd_priv(eth_dev);
  73         int ret = 0;
  74
  75         ENICPMD_FUNC_TRACE();
  76         if (filter_op == RTE_ETH_FILTER_NOP)
  77                 return 0;
  78
  79         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  80                 return -EINVAL;
  81
  82         switch (filter_op) {
  83         case RTE_ETH_FILTER_ADD:
  84         case RTE_ETH_FILTER_UPDATE:
  85                 ret = enic_fdir_add_fltr(enic,
  86                         (struct rte_eth_fdir_filter *)arg);
  87                 break;
  88
  89         case RTE_ETH_FILTER_DELETE:
  90                 ret = enic_fdir_del_fltr(enic,
  91                         (struct rte_eth_fdir_filter *)arg);
  92                 break;
  93
  94         case RTE_ETH_FILTER_STATS:
  95                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  96                 break;
  97
  98         case RTE_ETH_FILTER_FLUSH:
  99                 dev_warning(enic, "unsupported operation %u", filter_op);
 100                 ret = -ENOTSUP;
 101                 break;
 102         case RTE_ETH_FILTER_INFO:
 103                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
 104                 break;
 105         default:
 106                 dev_err(enic, "unknown operation %u", filter_op);
 107                 ret = -EINVAL;
 108                 break;
 109         }
 110         return ret;
 111 }
 112
 113 static int
 114 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 115                      enum rte_filter_type filter_type,
 116                      enum rte_filter_op filter_op,
 117                      void *arg)
 118 {
 119         int ret = 0;
 120
 121         ENICPMD_FUNC_TRACE();
 122
 123         switch (filter_type) {
 124         case RTE_ETH_FILTER_GENERIC:
 125                 if (filter_op != RTE_ETH_FILTER_GET)
 126                         return -EINVAL;
 127                 *(const void **)arg = &enic_flow_ops;
 128                 break;
 129         case RTE_ETH_FILTER_FDIR:
 130                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 131                 break;
 132         default:
 133                 dev_warning(enic, "Filter type (%d) not supported",
 134                         filter_type);
 135                 ret = -EINVAL;
 136                 break;
 137         }
 138
 139         return ret;
 140 }
 141
 142 static void enicpmd_dev_tx_queue_release(void *txq)
 143 {
 144         ENICPMD_FUNC_TRACE();
 145         enic_free_wq(txq);
 146 }
 147
 148 static int enicpmd_dev_setup_intr(struct enic *enic)
 149 {
 150         int ret;
 151         unsigned int index;
 152
 153         ENICPMD_FUNC_TRACE();
 154
 155         /* Are we done with the init of all the queues? */
 156         for (index = 0; index < enic->cq_count; index++) {
 157                 if (!enic->cq[index].ctrl)
 158                         break;
 159         }
 160         if (enic->cq_count != index)
 161                 return 0;
 162         for (index = 0; index < enic->wq_count; index++) {
 163                 if (!enic->wq[index].ctrl)
 164                         break;
 165         }
 166         if (enic->wq_count != index)
 167                 return 0;
 168         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 169         for (index = 0; index < enic->rq_count; index++) {
 170                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 171                         break;
 172         }
 173         if (enic->rq_count != index)
 174                 return 0;
 175
 176         ret = enic_alloc_intr_resources(enic);
 177         if (ret) {
 178                 dev_err(enic, "alloc intr failed\n");
 179                 return ret;
 180         }
 181         enic_init_vnic_resources(enic);
 182
 183         ret = enic_setup_finish(enic);
 184         if (ret)
 185                 dev_err(enic, "setup could not be finished\n");
 186
 187         return ret;
 188 }
 189
 190 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 191         uint16_t queue_idx,
 192         uint16_t nb_desc,
 193         unsigned int socket_id,
 194         __rte_unused const struct rte_eth_txconf *tx_conf)
 195 {
 196         int ret;
 197         struct enic *enic = pmd_priv(eth_dev);
 198
 199         ENICPMD_FUNC_TRACE();
 200         if (queue_idx >= ENIC_WQ_MAX) {
 201                 dev_err(enic,
 202                         "Max number of TX queues exceeded.  Max is %d\n",
 203                         ENIC_WQ_MAX);
 204                 return -EINVAL;
 205         }
 206
 207         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 208
 209         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 210         if (ret) {
 211                 dev_err(enic, "error in allocating wq\n");
 212                 return ret;
 213         }
 214
 215         return enicpmd_dev_setup_intr(enic);
 216 }
 217
 218 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 219         uint16_t queue_idx)
 220 {
 221         struct enic *enic = pmd_priv(eth_dev);
 222
 223         ENICPMD_FUNC_TRACE();
 224
 225         enic_start_wq(enic, queue_idx);
 226
 227         return 0;
 228 }
 229
 230 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 231         uint16_t queue_idx)
 232 {
 233         int ret;
 234         struct enic *enic = pmd_priv(eth_dev);
 235
 236         ENICPMD_FUNC_TRACE();
 237
 238         ret = enic_stop_wq(enic, queue_idx);
 239         if (ret)
 240                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 241
 242         return ret;
 243 }
 244
 245 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 246         uint16_t queue_idx)
 247 {
 248         struct enic *enic = pmd_priv(eth_dev);
 249
 250         ENICPMD_FUNC_TRACE();
 251
 252         enic_start_rq(enic, queue_idx);
 253
 254         return 0;
 255 }
 256
 257 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 258         uint16_t queue_idx)
 259 {
 260         int ret;
 261         struct enic *enic = pmd_priv(eth_dev);
 262
 263         ENICPMD_FUNC_TRACE();
 264
 265         ret = enic_stop_rq(enic, queue_idx);
 266         if (ret)
 267                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 268
 269         return ret;
 270 }
 271
 272 static void enicpmd_dev_rx_queue_release(void *rxq)
 273 {
 274         ENICPMD_FUNC_TRACE();
 275         enic_free_rq(rxq);
 276 }
 277
 278 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 279                                            uint16_t rx_queue_id)
 280 {
 281         struct enic *enic = pmd_priv(dev);
 282         uint32_t queue_count = 0;
 283         struct vnic_cq *cq;
 284         uint32_t cq_tail;
 285         uint16_t cq_idx;
 286         int rq_num;
 287
 288         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 289         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 290         cq_idx = cq->to_clean;
 291
 292         cq_tail = ioread32(&cq->ctrl->cq_tail);
 293
 294         if (cq_tail < cq_idx)
 295                 cq_tail += cq->ring.desc_count;
 296
 297         queue_count = cq_tail - cq_idx;
 298
 299         return queue_count;
 300 }
 301
 302 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 303         uint16_t queue_idx,
 304         uint16_t nb_desc,
 305         unsigned int socket_id,
 306         const struct rte_eth_rxconf *rx_conf,
 307         struct rte_mempool *mp)
 308 {
 309         int ret;
 310         struct enic *enic = pmd_priv(eth_dev);
 311
 312         ENICPMD_FUNC_TRACE();
 313         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 314          * by the application.
 315          */
 316         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 317                 dev_err(enic,
 318                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 319                         ENIC_RQ_MAX);
 320                 return -EINVAL;
 321         }
 322
 323         eth_dev->data->rx_queues[queue_idx] =
 324                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 325
 326         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 327                             rx_conf->rx_free_thresh);
 328         if (ret) {
 329                 dev_err(enic, "error in allocating rq\n");
 330                 return ret;
 331         }
 332
 333         return enicpmd_dev_setup_intr(enic);
 334 }
 335
 336 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 337         uint16_t vlan_id, int on)
 338 {
 339         struct enic *enic = pmd_priv(eth_dev);
 340         int err;
 341
 342         ENICPMD_FUNC_TRACE();
 343         if (on)
 344                 err = enic_add_vlan(enic, vlan_id);
 345         else
 346                 err = enic_del_vlan(enic, vlan_id);
 347         return err;
 348 }
 349
 350 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 351 {
 352         struct enic *enic = pmd_priv(eth_dev);
 353
 354         ENICPMD_FUNC_TRACE();
 355
 356         if (mask & ETH_VLAN_STRIP_MASK) {
 357                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 358                         enic->ig_vlan_strip_en = 1;
 359                 else
 360                         enic->ig_vlan_strip_en = 0;
 361         }
 362         enic_set_rss_nic_cfg(enic);
 363
 364
 365         if (mask & ETH_VLAN_FILTER_MASK) {
 366                 dev_warning(enic,
 367                         "Configuration of VLAN filter is not supported\n");
 368         }
 369
 370         if (mask & ETH_VLAN_EXTEND_MASK) {
 371                 dev_warning(enic,
 372                         "Configuration of extended VLAN is not supported\n");
 373         }
 374 }
 375
 376 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 377 {
 378         int ret;
 379         struct enic *enic = pmd_priv(eth_dev);
 380
 381         ENICPMD_FUNC_TRACE();
 382         ret = enic_set_vnic_res(enic);
 383         if (ret) {
 384                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 385                 return ret;
 386         }
 387
 388         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 389                 eth_dev->data->dev_conf.rxmode.header_split) {
 390                 /* Enable header-data-split */
 391                 enic_set_hdr_split_size(enic,
 392                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 393         }
 394
 395         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 396         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 397         return 0;
 398 }
 399
 400 /* Start the device.
 401  * It returns 0 on success.
 402  */
 403 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 404 {
 405         struct enic *enic = pmd_priv(eth_dev);
 406
 407         ENICPMD_FUNC_TRACE();
 408         return enic_enable(enic);
 409 }
 410
 411 /*
 412  * Stop device: disable rx and tx functions to allow for reconfiguring.
 413  */
 414 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 415 {
 416         struct rte_eth_link link;
 417         struct enic *enic = pmd_priv(eth_dev);
 418
 419         ENICPMD_FUNC_TRACE();
 420         enic_disable(enic);
 421         memset(&link, 0, sizeof(link));
 422         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 423                 *(uint64_t *)&eth_dev->data->dev_link,
 424                 *(uint64_t *)&link);
 425 }
 426
 427 /*
 428  * Stop device.
 429  */
 430 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 431 {
 432         struct enic *enic = pmd_priv(eth_dev);
 433
 434         ENICPMD_FUNC_TRACE();
 435         enic_remove(enic);
 436 }
 437
 438 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 439         __rte_unused int wait_to_complete)
 440 {
 441         struct enic *enic = pmd_priv(eth_dev);
 442
 443         ENICPMD_FUNC_TRACE();
 444         return enic_link_update(enic);
 445 }
 446
 447 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 448         struct rte_eth_stats *stats)
 449 {
 450         struct enic *enic = pmd_priv(eth_dev);
 451
 452         ENICPMD_FUNC_TRACE();
 453         enic_dev_stats_get(enic, stats);
 454 }
 455
 456 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 457 {
 458         struct enic *enic = pmd_priv(eth_dev);
 459
 460         ENICPMD_FUNC_TRACE();
 461         enic_dev_stats_clear(enic);
 462 }
 463
 464 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 465         struct rte_eth_dev_info *device_info)
 466 {
 467         struct enic *enic = pmd_priv(eth_dev);
 468
 469         ENICPMD_FUNC_TRACE();
 470         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 471         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 472         device_info->max_rx_queues = enic->conf_rq_count / 2;
 473         device_info->max_tx_queues = enic->conf_wq_count;
 474         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 475         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 476         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 477         device_info->rx_offload_capa =
 478                 DEV_RX_OFFLOAD_VLAN_STRIP |
 479                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 480                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 481                 DEV_RX_OFFLOAD_TCP_CKSUM;
 482         device_info->tx_offload_capa =
 483                 DEV_TX_OFFLOAD_VLAN_INSERT |
 484                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 485                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 486                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 487                 DEV_TX_OFFLOAD_TCP_TSO;
 488         device_info->default_rxconf = (struct rte_eth_rxconf) {
 489                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 490         };
 491 }
 492
 493 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 494 {
 495         static const uint32_t ptypes[] = {
 496                 RTE_PTYPE_L2_ETHER,
 497                 RTE_PTYPE_L2_ETHER_VLAN,
 498                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 499                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 500                 RTE_PTYPE_L4_TCP,
 501                 RTE_PTYPE_L4_UDP,
 502                 RTE_PTYPE_L4_FRAG,
 503                 RTE_PTYPE_L4_NONFRAG,
 504                 RTE_PTYPE_UNKNOWN
 505         };
 506
 507         if (dev->rx_pkt_burst == enic_recv_pkts)
 508                 return ptypes;
 509         return NULL;
 510 }
 511
 512 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 513 {
 514         struct enic *enic = pmd_priv(eth_dev);
 515
 516         ENICPMD_FUNC_TRACE();
 517         enic->promisc = 1;
 518         enic_add_packet_filter(enic);
 519 }
 520
 521 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 522 {
 523         struct enic *enic = pmd_priv(eth_dev);
 524
 525         ENICPMD_FUNC_TRACE();
 526         enic->promisc = 0;
 527         enic_add_packet_filter(enic);
 528 }
 529
 530 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 531 {
 532         struct enic *enic = pmd_priv(eth_dev);
 533
 534         ENICPMD_FUNC_TRACE();
 535         enic->allmulti = 1;
 536         enic_add_packet_filter(enic);
 537 }
 538
 539 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 540 {
 541         struct enic *enic = pmd_priv(eth_dev);
 542
 543         ENICPMD_FUNC_TRACE();
 544         enic->allmulti = 0;
 545         enic_add_packet_filter(enic);
 546 }
 547
 548 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 549         struct ether_addr *mac_addr,
 550         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 551 {
 552         struct enic *enic = pmd_priv(eth_dev);
 553
 554         ENICPMD_FUNC_TRACE();
 555         return enic_set_mac_address(enic, mac_addr->addr_bytes);
 556 }
 557
 558 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 559 {
 560         struct enic *enic = pmd_priv(eth_dev);
 561
 562         ENICPMD_FUNC_TRACE();
 563         enic_del_mac_address(enic, index);
 564 }
 565
 566 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 567 {
 568         struct enic *enic = pmd_priv(eth_dev);
 569
 570         ENICPMD_FUNC_TRACE();
 571         return enic_set_mtu(enic, mtu);
 572 }
 573
 574 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 575         .dev_configure        = enicpmd_dev_configure,
 576         .dev_start            = enicpmd_dev_start,
 577         .dev_stop             = enicpmd_dev_stop,
 578         .dev_set_link_up      = NULL,
 579         .dev_set_link_down    = NULL,
 580         .dev_close            = enicpmd_dev_close,
 581         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 582         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 583         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 584         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 585         .link_update          = enicpmd_dev_link_update,
 586         .stats_get            = enicpmd_dev_stats_get,
 587         .stats_reset          = enicpmd_dev_stats_reset,
 588         .queue_stats_mapping_set = NULL,
 589         .dev_infos_get        = enicpmd_dev_info_get,
 590         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 591         .mtu_set              = enicpmd_mtu_set,
 592         .vlan_filter_set      = enicpmd_vlan_filter_set,
 593         .vlan_tpid_set        = NULL,
 594         .vlan_offload_set     = enicpmd_vlan_offload_set,
 595         .vlan_strip_queue_set = NULL,
 596         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 597         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 598         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 599         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 600         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 601         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 602         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 603         .rx_descriptor_done   = NULL,
 604         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 605         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 606         .dev_led_on           = NULL,
 607         .dev_led_off          = NULL,
 608         .flow_ctrl_get        = NULL,
 609         .flow_ctrl_set        = NULL,
 610         .priority_flow_ctrl_set = NULL,
 611         .mac_addr_add         = enicpmd_add_mac_addr,
 612         .mac_addr_remove      = enicpmd_remove_mac_addr,
 613         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 614 };
 615
 616 struct enic *enicpmd_list_head = NULL;
 617 /* Initialize the driver
 618  * It returns 0 on success.
 619  */
 620 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 621 {
 622         struct rte_pci_device *pdev;
 623         struct rte_pci_addr *addr;
 624         struct enic *enic = pmd_priv(eth_dev);
 625
 626         ENICPMD_FUNC_TRACE();
 627
 628         enic->port_id = eth_dev->data->port_id;
 629         enic->rte_dev = eth_dev;
 630         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 631         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 632         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 633
 634         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
 635         rte_eth_copy_pci_info(eth_dev, pdev);
 636         enic->pdev = pdev;
 637         addr = &pdev->addr;
 638
 639         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 640                 addr->domain, addr->bus, addr->devid, addr->function);
 641
 642         return enic_probe(enic);
 643 }
 644
 645 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 646         struct rte_pci_device *pci_dev)
 647 {
 648         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
 649                 eth_enicpmd_dev_init);
 650 }
 651
 652 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
 653 {
 654         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 655 }
 656
 657 static struct rte_pci_driver rte_enic_pmd = {
 658         .id_table = pci_id_enic_map,
 659         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 660         .probe = eth_enic_pci_probe,
 661         .remove = eth_enic_pci_remove,
 662 };
 663
 664 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
 665 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 666 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");