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_string_fns.h>
  42
  43 #include "vnic_intr.h"
  44 #include "vnic_cq.h"
  45 #include "vnic_wq.h"
  46 #include "vnic_rq.h"
  47 #include "vnic_enet.h"
  48 #include "enic.h"
  49
  50 #ifdef RTE_LIBRTE_ENIC_DEBUG
  51 #define ENICPMD_FUNC_TRACE() \
  52         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  53 #else
  54 #define ENICPMD_FUNC_TRACE() (void)0
  55 #endif
  56
  57 /*
  58  * The set of PCI devices this driver supports
  59  */
  60 static const struct rte_pci_id pci_id_enic_map[] = {
  61 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
  62 #ifndef PCI_VENDOR_ID_CISCO
  63 #define PCI_VENDOR_ID_CISCO     0x1137
  64 #endif
  65 #include "rte_pci_dev_ids.h"
  66 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
  67 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
  68 {.vendor_id = 0, /* Sentinal */},
  69 };
  70
  71 static int
  72 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  73                         enum rte_filter_op filter_op, void *arg)
  74 {
  75         struct enic *enic = pmd_priv(eth_dev);
  76         int ret = 0;
  77
  78         ENICPMD_FUNC_TRACE();
  79         if (filter_op == RTE_ETH_FILTER_NOP)
  80                 return 0;
  81
  82         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  83                 return -EINVAL;
  84
  85         switch (filter_op) {
  86         case RTE_ETH_FILTER_ADD:
  87         case RTE_ETH_FILTER_UPDATE:
  88                 ret = enic_fdir_add_fltr(enic,
  89                         (struct rte_eth_fdir_filter *)arg);
  90                 break;
  91
  92         case RTE_ETH_FILTER_DELETE:
  93                 ret = enic_fdir_del_fltr(enic,
  94                         (struct rte_eth_fdir_filter *)arg);
  95                 break;
  96
  97         case RTE_ETH_FILTER_STATS:
  98                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  99                 break;
 100
 101         case RTE_ETH_FILTER_FLUSH:
 102         case RTE_ETH_FILTER_INFO:
 103                 dev_warning(enic, "unsupported operation %u", filter_op);
 104                 ret = -ENOTSUP;
 105                 break;
 106         default:
 107                 dev_err(enic, "unknown operation %u", filter_op);
 108                 ret = -EINVAL;
 109                 break;
 110         }
 111         return ret;
 112 }
 113
 114 static int
 115 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 116                      enum rte_filter_type filter_type,
 117                      enum rte_filter_op filter_op,
 118                      void *arg)
 119 {
 120         int ret = -EINVAL;
 121
 122         if (RTE_ETH_FILTER_FDIR == filter_type)
 123                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 124         else
 125                 dev_warning(enic, "Filter type (%d) not supported",
 126                         filter_type);
 127
 128         return ret;
 129 }
 130
 131 static void enicpmd_dev_tx_queue_release(void *txq)
 132 {
 133         ENICPMD_FUNC_TRACE();
 134         enic_free_wq(txq);
 135 }
 136
 137 static int enicpmd_dev_setup_intr(struct enic *enic)
 138 {
 139         int ret;
 140         unsigned int index;
 141
 142         ENICPMD_FUNC_TRACE();
 143
 144         /* Are we done with the init of all the queues? */
 145         for (index = 0; index < enic->cq_count; index++) {
 146                 if (!enic->cq[index].ctrl)
 147                         break;
 148         }
 149
 150         if (enic->cq_count != index)
 151                 return 0;
 152
 153         ret = enic_alloc_intr_resources(enic);
 154         if (ret) {
 155                 dev_err(enic, "alloc intr failed\n");
 156                 return ret;
 157         }
 158         enic_init_vnic_resources(enic);
 159
 160         ret = enic_setup_finish(enic);
 161         if (ret)
 162                 dev_err(enic, "setup could not be finished\n");
 163
 164         return ret;
 165 }
 166
 167 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 168         uint16_t queue_idx,
 169         uint16_t nb_desc,
 170         unsigned int socket_id,
 171         __rte_unused const struct rte_eth_txconf *tx_conf)
 172 {
 173         int ret;
 174         struct enic *enic = pmd_priv(eth_dev);
 175
 176         ENICPMD_FUNC_TRACE();
 177         if (queue_idx >= ENIC_WQ_MAX) {
 178                 dev_err(enic,
 179                         "Max number of TX queues exceeded.  Max is %d\n",
 180                         ENIC_WQ_MAX);
 181                 return -EINVAL;
 182         }
 183
 184         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 185
 186         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 187         if (ret) {
 188                 dev_err(enic, "error in allocating wq\n");
 189                 return ret;
 190         }
 191
 192         return enicpmd_dev_setup_intr(enic);
 193 }
 194
 195 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 196         uint16_t queue_idx)
 197 {
 198         struct enic *enic = pmd_priv(eth_dev);
 199
 200         ENICPMD_FUNC_TRACE();
 201
 202         enic_start_wq(enic, queue_idx);
 203         eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 204
 205         return 0;
 206 }
 207
 208 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 209         uint16_t queue_idx)
 210 {
 211         int ret;
 212         struct enic *enic = pmd_priv(eth_dev);
 213
 214         ENICPMD_FUNC_TRACE();
 215
 216         ret = enic_stop_wq(enic, queue_idx);
 217         if (ret)
 218                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 219         else
 220                 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 221
 222         return ret;
 223 }
 224
 225 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 226         uint16_t queue_idx)
 227 {
 228         struct enic *enic = pmd_priv(eth_dev);
 229
 230         ENICPMD_FUNC_TRACE();
 231
 232         enic_start_rq(enic, queue_idx);
 233         eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 234
 235         return 0;
 236 }
 237
 238 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 239         uint16_t queue_idx)
 240 {
 241         int ret;
 242         struct enic *enic = pmd_priv(eth_dev);
 243
 244         ENICPMD_FUNC_TRACE();
 245
 246         ret = enic_stop_rq(enic, queue_idx);
 247         if (ret)
 248                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 249         else
 250                 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 251
 252         return ret;
 253 }
 254
 255 static void enicpmd_dev_rx_queue_release(void *rxq)
 256 {
 257         ENICPMD_FUNC_TRACE();
 258         enic_free_rq(rxq);
 259 }
 260
 261 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 262         uint16_t queue_idx,
 263         uint16_t nb_desc,
 264         unsigned int socket_id,
 265         const struct rte_eth_rxconf *rx_conf,
 266         struct rte_mempool *mp)
 267 {
 268         int ret;
 269         struct enic *enic = pmd_priv(eth_dev);
 270
 271         ENICPMD_FUNC_TRACE();
 272         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 273          * by the application.
 274          */
 275         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 276                 dev_err(enic,
 277                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 278                         ENIC_RQ_MAX);
 279                 return -EINVAL;
 280         }
 281
 282         eth_dev->data->rx_queues[queue_idx] =
 283                 (void *)&enic->rq[enic_sop_rq(queue_idx)];
 284
 285         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 286         if (ret) {
 287                 dev_err(enic, "error in allocating rq\n");
 288                 return ret;
 289         }
 290
 291         enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
 292         dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
 293                         enic->rq[queue_idx].rx_free_thresh);
 294
 295         return enicpmd_dev_setup_intr(enic);
 296 }
 297
 298 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 299         uint16_t vlan_id, int on)
 300 {
 301         struct enic *enic = pmd_priv(eth_dev);
 302         int err;
 303
 304         ENICPMD_FUNC_TRACE();
 305         if (on)
 306                 err = enic_add_vlan(enic, vlan_id);
 307         else
 308                 err = enic_del_vlan(enic, vlan_id);
 309         return err;
 310 }
 311
 312 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 313 {
 314         struct enic *enic = pmd_priv(eth_dev);
 315
 316         ENICPMD_FUNC_TRACE();
 317
 318         if (mask & ETH_VLAN_STRIP_MASK) {
 319                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 320                         enic->ig_vlan_strip_en = 1;
 321                 else
 322                         enic->ig_vlan_strip_en = 0;
 323         }
 324         enic_set_rss_nic_cfg(enic);
 325
 326
 327         if (mask & ETH_VLAN_FILTER_MASK) {
 328                 dev_warning(enic,
 329                         "Configuration of VLAN filter is not supported\n");
 330         }
 331
 332         if (mask & ETH_VLAN_EXTEND_MASK) {
 333                 dev_warning(enic,
 334                         "Configuration of extended VLAN is not supported\n");
 335         }
 336 }
 337
 338 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 339 {
 340         int ret;
 341         struct enic *enic = pmd_priv(eth_dev);
 342
 343         ENICPMD_FUNC_TRACE();
 344         ret = enic_set_vnic_res(enic);
 345         if (ret) {
 346                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 347                 return ret;
 348         }
 349
 350         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 351                 eth_dev->data->dev_conf.rxmode.header_split) {
 352                 /* Enable header-data-split */
 353                 enic_set_hdr_split_size(enic,
 354                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 355         }
 356
 357         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 358         return 0;
 359 }
 360
 361 /* Start the device.
 362  * It returns 0 on success.
 363  */
 364 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 365 {
 366         struct enic *enic = pmd_priv(eth_dev);
 367
 368         ENICPMD_FUNC_TRACE();
 369         return enic_enable(enic);
 370 }
 371
 372 /*
 373  * Stop device: disable rx and tx functions to allow for reconfiguring.
 374  */
 375 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 376 {
 377         struct rte_eth_link link;
 378         struct enic *enic = pmd_priv(eth_dev);
 379
 380         ENICPMD_FUNC_TRACE();
 381         enic_disable(enic);
 382         memset(&link, 0, sizeof(link));
 383         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 384                 *(uint64_t *)&eth_dev->data->dev_link,
 385                 *(uint64_t *)&link);
 386 }
 387
 388 /*
 389  * Stop device.
 390  */
 391 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 392 {
 393         struct enic *enic = pmd_priv(eth_dev);
 394
 395         ENICPMD_FUNC_TRACE();
 396         enic_remove(enic);
 397 }
 398
 399 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 400         __rte_unused int wait_to_complete)
 401 {
 402         struct enic *enic = pmd_priv(eth_dev);
 403         int ret;
 404         int link_status = 0;
 405
 406         ENICPMD_FUNC_TRACE();
 407         link_status = enic_get_link_status(enic);
 408         ret = (link_status == enic->link_status);
 409         enic->link_status = link_status;
 410         eth_dev->data->dev_link.link_status = link_status;
 411         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 412         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 413         return ret;
 414 }
 415
 416 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 417         struct rte_eth_stats *stats)
 418 {
 419         struct enic *enic = pmd_priv(eth_dev);
 420
 421         ENICPMD_FUNC_TRACE();
 422         enic_dev_stats_get(enic, stats);
 423 }
 424
 425 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 426 {
 427         struct enic *enic = pmd_priv(eth_dev);
 428
 429         ENICPMD_FUNC_TRACE();
 430         enic_dev_stats_clear(enic);
 431 }
 432
 433 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 434         struct rte_eth_dev_info *device_info)
 435 {
 436         struct enic *enic = pmd_priv(eth_dev);
 437
 438         ENICPMD_FUNC_TRACE();
 439         device_info->max_rx_queues = enic->rq_count;
 440         device_info->max_tx_queues = enic->wq_count;
 441         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 442         device_info->max_rx_pktlen = enic->rte_dev->data->mtu
 443                                    + ETHER_HDR_LEN + 4;
 444         device_info->max_mac_addrs = 1;
 445         device_info->rx_offload_capa =
 446                 DEV_RX_OFFLOAD_VLAN_STRIP |
 447                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 448                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 449                 DEV_RX_OFFLOAD_TCP_CKSUM;
 450         device_info->tx_offload_capa =
 451                 DEV_TX_OFFLOAD_VLAN_INSERT |
 452                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 453                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 454                 DEV_TX_OFFLOAD_TCP_CKSUM;
 455         device_info->default_rxconf = (struct rte_eth_rxconf) {
 456                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 457         };
 458 }
 459
 460 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 461 {
 462         static const uint32_t ptypes[] = {
 463                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 464                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 465                 RTE_PTYPE_L4_TCP,
 466                 RTE_PTYPE_L4_UDP,
 467                 RTE_PTYPE_L4_FRAG,
 468                 RTE_PTYPE_L4_NONFRAG,
 469                 RTE_PTYPE_UNKNOWN
 470         };
 471
 472         if (dev->rx_pkt_burst == enic_recv_pkts)
 473                 return ptypes;
 474         return NULL;
 475 }
 476
 477 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 478 {
 479         struct enic *enic = pmd_priv(eth_dev);
 480
 481         ENICPMD_FUNC_TRACE();
 482         enic->promisc = 1;
 483         enic_add_packet_filter(enic);
 484 }
 485
 486 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 487 {
 488         struct enic *enic = pmd_priv(eth_dev);
 489
 490         ENICPMD_FUNC_TRACE();
 491         enic->promisc = 0;
 492         enic_add_packet_filter(enic);
 493 }
 494
 495 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 496 {
 497         struct enic *enic = pmd_priv(eth_dev);
 498
 499         ENICPMD_FUNC_TRACE();
 500         enic->allmulti = 1;
 501         enic_add_packet_filter(enic);
 502 }
 503
 504 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 505 {
 506         struct enic *enic = pmd_priv(eth_dev);
 507
 508         ENICPMD_FUNC_TRACE();
 509         enic->allmulti = 0;
 510         enic_add_packet_filter(enic);
 511 }
 512
 513 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 514         struct ether_addr *mac_addr,
 515         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 516 {
 517         struct enic *enic = pmd_priv(eth_dev);
 518
 519         ENICPMD_FUNC_TRACE();
 520         enic_set_mac_address(enic, mac_addr->addr_bytes);
 521 }
 522
 523 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 524 {
 525         struct enic *enic = pmd_priv(eth_dev);
 526
 527         ENICPMD_FUNC_TRACE();
 528         enic_del_mac_address(enic);
 529 }
 530
 531 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 532 {
 533         struct enic *enic = pmd_priv(eth_dev);
 534
 535         ENICPMD_FUNC_TRACE();
 536         return enic_set_mtu(enic, mtu);
 537 }
 538
 539 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 540         .dev_configure        = enicpmd_dev_configure,
 541         .dev_start            = enicpmd_dev_start,
 542         .dev_stop             = enicpmd_dev_stop,
 543         .dev_set_link_up      = NULL,
 544         .dev_set_link_down    = NULL,
 545         .dev_close            = enicpmd_dev_close,
 546         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 547         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 548         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 549         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 550         .link_update          = enicpmd_dev_link_update,
 551         .stats_get            = enicpmd_dev_stats_get,
 552         .stats_reset          = enicpmd_dev_stats_reset,
 553         .queue_stats_mapping_set = NULL,
 554         .dev_infos_get        = enicpmd_dev_info_get,
 555         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 556         .mtu_set              = enicpmd_mtu_set,
 557         .vlan_filter_set      = enicpmd_vlan_filter_set,
 558         .vlan_tpid_set        = NULL,
 559         .vlan_offload_set     = enicpmd_vlan_offload_set,
 560         .vlan_strip_queue_set = NULL,
 561         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 562         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 563         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 564         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 565         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 566         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 567         .rx_queue_count       = NULL,
 568         .rx_descriptor_done   = NULL,
 569         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 570         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 571         .dev_led_on           = NULL,
 572         .dev_led_off          = NULL,
 573         .flow_ctrl_get        = NULL,
 574         .flow_ctrl_set        = NULL,
 575         .priority_flow_ctrl_set = NULL,
 576         .mac_addr_add         = enicpmd_add_mac_addr,
 577         .mac_addr_remove      = enicpmd_remove_mac_addr,
 578         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 579 };
 580
 581 struct enic *enicpmd_list_head = NULL;
 582 /* Initialize the driver
 583  * It returns 0 on success.
 584  */
 585 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 586 {
 587         struct rte_pci_device *pdev;
 588         struct rte_pci_addr *addr;
 589         struct enic *enic = pmd_priv(eth_dev);
 590
 591         ENICPMD_FUNC_TRACE();
 592
 593         enic->port_id = eth_dev->data->port_id;
 594         enic->rte_dev = eth_dev;
 595         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 596         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 597         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 598
 599         pdev = eth_dev->pci_dev;
 600         rte_eth_copy_pci_info(eth_dev, pdev);
 601         enic->pdev = pdev;
 602         addr = &pdev->addr;
 603
 604         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 605                 addr->domain, addr->bus, addr->devid, addr->function);
 606
 607         return enic_probe(enic);
 608 }
 609
 610 static struct eth_driver rte_enic_pmd = {
 611         .pci_drv = {
 612                 .name = "rte_enic_pmd",
 613                 .id_table = pci_id_enic_map,
 614                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 615         },
 616         .eth_dev_init = eth_enicpmd_dev_init,
 617         .dev_private_size = sizeof(struct enic),
 618 };
 619
 620 /* Driver initialization routine.
 621  * Invoked once at EAL init time.
 622  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 623  */
 624 static int
 625 rte_enic_pmd_init(__rte_unused const char *name,
 626          __rte_unused const char *params)
 627 {
 628         ENICPMD_FUNC_TRACE();
 629
 630         rte_eth_driver_register(&rte_enic_pmd);
 631         return 0;
 632 }
 633
 634 static struct rte_driver rte_enic_driver = {
 635         .type = PMD_PDEV,
 636         .init = rte_enic_pmd_init,
 637 };
 638
 639 PMD_REGISTER_DRIVER(rte_enic_driver);