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 #ident "$Id$"
  35
  36 #include <stdio.h>
  37 #include <stdint.h>
  38
  39 #include <rte_dev.h>
  40 #include <rte_pci.h>
  41 #include <rte_ethdev.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 static const struct rte_pci_id pci_id_enic_map[] = {
  62 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
  63 #ifndef PCI_VENDOR_ID_CISCO
  64 #define PCI_VENDOR_ID_CISCO     0x1137
  65 #endif
  66 #include "rte_pci_dev_ids.h"
  67 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
  68 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
  69 {.vendor_id = 0, /* Sentinal */},
  70 };
  71
  72 static int
  73 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  74                         enum rte_filter_op filter_op, void *arg)
  75 {
  76         struct enic *enic = pmd_priv(eth_dev);
  77         int ret = 0;
  78
  79         ENICPMD_FUNC_TRACE();
  80         if (filter_op == RTE_ETH_FILTER_NOP)
  81                 return 0;
  82
  83         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  84                 return -EINVAL;
  85
  86         switch (filter_op) {
  87         case RTE_ETH_FILTER_ADD:
  88         case RTE_ETH_FILTER_UPDATE:
  89                 ret = enic_fdir_add_fltr(enic,
  90                         (struct rte_eth_fdir_filter *)arg);
  91                 break;
  92
  93         case RTE_ETH_FILTER_DELETE:
  94                 ret = enic_fdir_del_fltr(enic,
  95                         (struct rte_eth_fdir_filter *)arg);
  96                 break;
  97
  98         case RTE_ETH_FILTER_STATS:
  99                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
 100                 break;
 101
 102         case RTE_ETH_FILTER_FLUSH:
 103         case RTE_ETH_FILTER_INFO:
 104                 dev_warning(enic, "unsupported operation %u", filter_op);
 105                 ret = -ENOTSUP;
 106                 break;
 107         default:
 108                 dev_err(enic, "unknown operation %u", filter_op);
 109                 ret = -EINVAL;
 110                 break;
 111         }
 112         return ret;
 113 }
 114
 115 static int
 116 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 117                      enum rte_filter_type filter_type,
 118                      enum rte_filter_op filter_op,
 119                      void *arg)
 120 {
 121         int ret = -EINVAL;
 122
 123         if (RTE_ETH_FILTER_FDIR == filter_type)
 124                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 125         else
 126                 dev_warning(enic, "Filter type (%d) not supported",
 127                         filter_type);
 128
 129         return ret;
 130 }
 131
 132 static void enicpmd_dev_tx_queue_release(void *txq)
 133 {
 134         ENICPMD_FUNC_TRACE();
 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
 151         if (enic->cq_count != index)
 152                 return 0;
 153
 154         ret = enic_alloc_intr_resources(enic);
 155         if (ret) {
 156                 dev_err(enic, "alloc intr failed\n");
 157                 return ret;
 158         }
 159         enic_init_vnic_resources(enic);
 160
 161         ret = enic_setup_finish(enic);
 162         if (ret)
 163                 dev_err(enic, "setup could not be finished\n");
 164
 165         return ret;
 166 }
 167
 168 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 169         uint16_t queue_idx,
 170         uint16_t nb_desc,
 171         unsigned int socket_id,
 172         __rte_unused const struct rte_eth_txconf *tx_conf)
 173 {
 174         int ret;
 175         struct enic *enic = pmd_priv(eth_dev);
 176
 177         ENICPMD_FUNC_TRACE();
 178         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 179
 180         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 181         if (ret) {
 182                 dev_err(enic, "error in allocating wq\n");
 183                 return ret;
 184         }
 185
 186         return enicpmd_dev_setup_intr(enic);
 187 }
 188
 189 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 190         uint16_t queue_idx)
 191 {
 192         struct enic *enic = pmd_priv(eth_dev);
 193
 194         ENICPMD_FUNC_TRACE();
 195
 196         enic_start_wq(enic, queue_idx);
 197
 198         return 0;
 199 }
 200
 201 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 202         uint16_t queue_idx)
 203 {
 204         int ret;
 205         struct enic *enic = pmd_priv(eth_dev);
 206
 207         ENICPMD_FUNC_TRACE();
 208
 209         ret = enic_stop_wq(enic, queue_idx);
 210         if (ret)
 211                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 212
 213         return ret;
 214 }
 215
 216 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 217         uint16_t queue_idx)
 218 {
 219         struct enic *enic = pmd_priv(eth_dev);
 220
 221         ENICPMD_FUNC_TRACE();
 222
 223         enic_start_rq(enic, queue_idx);
 224
 225         return 0;
 226 }
 227
 228 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 229         uint16_t queue_idx)
 230 {
 231         int ret;
 232         struct enic *enic = pmd_priv(eth_dev);
 233
 234         ENICPMD_FUNC_TRACE();
 235
 236         ret = enic_stop_rq(enic, queue_idx);
 237         if (ret)
 238                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 239
 240         return ret;
 241 }
 242
 243 static void enicpmd_dev_rx_queue_release(void *rxq)
 244 {
 245         ENICPMD_FUNC_TRACE();
 246         enic_free_rq(rxq);
 247 }
 248
 249 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 250         uint16_t queue_idx,
 251         uint16_t nb_desc,
 252         unsigned int socket_id,
 253         __rte_unused const struct rte_eth_rxconf *rx_conf,
 254         struct rte_mempool *mp)
 255 {
 256         int ret;
 257         struct enic *enic = pmd_priv(eth_dev);
 258
 259         ENICPMD_FUNC_TRACE();
 260         eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
 261
 262         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 263         if (ret) {
 264                 dev_err(enic, "error in allocating rq\n");
 265                 return ret;
 266         }
 267
 268         return enicpmd_dev_setup_intr(enic);
 269 }
 270
 271 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 272         uint16_t vlan_id, int on)
 273 {
 274         struct enic *enic = pmd_priv(eth_dev);
 275
 276         ENICPMD_FUNC_TRACE();
 277         if (on)
 278                 enic_add_vlan(enic, vlan_id);
 279         else
 280                 enic_del_vlan(enic, vlan_id);
 281         return 0;
 282 }
 283
 284 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 285 {
 286         struct enic *enic = pmd_priv(eth_dev);
 287
 288         ENICPMD_FUNC_TRACE();
 289
 290         if (mask & ETH_VLAN_STRIP_MASK) {
 291                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 292                         enic->ig_vlan_strip_en = 1;
 293                 else
 294                         enic->ig_vlan_strip_en = 0;
 295         }
 296         enic_set_rss_nic_cfg(enic);
 297
 298
 299         if (mask & ETH_VLAN_FILTER_MASK) {
 300                 dev_warning(enic,
 301                         "Configuration of VLAN filter is not supported\n");
 302         }
 303
 304         if (mask & ETH_VLAN_EXTEND_MASK) {
 305                 dev_warning(enic,
 306                         "Configuration of extended VLAN is not supported\n");
 307         }
 308 }
 309
 310 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 311 {
 312         int ret;
 313         struct enic *enic = pmd_priv(eth_dev);
 314
 315         ENICPMD_FUNC_TRACE();
 316         ret = enic_set_vnic_res(enic);
 317         if (ret) {
 318                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 319                 return ret;
 320         }
 321
 322         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 323                 eth_dev->data->dev_conf.rxmode.header_split) {
 324                 /* Enable header-data-split */
 325                 enic_set_hdr_split_size(enic,
 326                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 327         }
 328
 329         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 330         return 0;
 331 }
 332
 333 /* Start the device.
 334  * It returns 0 on success.
 335  */
 336 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 337 {
 338         struct enic *enic = pmd_priv(eth_dev);
 339
 340         ENICPMD_FUNC_TRACE();
 341         return enic_enable(enic);
 342 }
 343
 344 /*
 345  * Stop device: disable rx and tx functions to allow for reconfiguring.
 346  */
 347 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 348 {
 349         struct rte_eth_link link;
 350         struct enic *enic = pmd_priv(eth_dev);
 351
 352         ENICPMD_FUNC_TRACE();
 353         enic_disable(enic);
 354         memset(&link, 0, sizeof(link));
 355         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 356                 *(uint64_t *)&eth_dev->data->dev_link,
 357                 *(uint64_t *)&link);
 358 }
 359
 360 /*
 361  * Stop device.
 362  */
 363 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 364 {
 365         struct enic *enic = pmd_priv(eth_dev);
 366
 367         ENICPMD_FUNC_TRACE();
 368         enic_remove(enic);
 369 }
 370
 371 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 372         __rte_unused int wait_to_complete)
 373 {
 374         struct enic *enic = pmd_priv(eth_dev);
 375         int ret;
 376         int link_status = 0;
 377
 378         ENICPMD_FUNC_TRACE();
 379         link_status = enic_get_link_status(enic);
 380         ret = (link_status == enic->link_status);
 381         enic->link_status = link_status;
 382         eth_dev->data->dev_link.link_status = link_status;
 383         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 384         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 385         return ret;
 386 }
 387
 388 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 389         struct rte_eth_stats *stats)
 390 {
 391         struct enic *enic = pmd_priv(eth_dev);
 392
 393         ENICPMD_FUNC_TRACE();
 394         enic_dev_stats_get(enic, stats);
 395 }
 396
 397 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 398 {
 399         struct enic *enic = pmd_priv(eth_dev);
 400
 401         ENICPMD_FUNC_TRACE();
 402         enic_dev_stats_clear(enic);
 403 }
 404
 405 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 406         struct rte_eth_dev_info *device_info)
 407 {
 408         struct enic *enic = pmd_priv(eth_dev);
 409
 410         ENICPMD_FUNC_TRACE();
 411         device_info->max_rx_queues = enic->rq_count;
 412         device_info->max_tx_queues = enic->wq_count;
 413         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 414         device_info->max_rx_pktlen = enic->config.mtu;
 415         device_info->max_mac_addrs = 1;
 416         device_info->rx_offload_capa =
 417                 DEV_RX_OFFLOAD_VLAN_STRIP |
 418                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 419                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 420                 DEV_RX_OFFLOAD_TCP_CKSUM;
 421         device_info->tx_offload_capa =
 422                 DEV_TX_OFFLOAD_VLAN_INSERT |
 423                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 424                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 425                 DEV_TX_OFFLOAD_TCP_CKSUM;
 426 }
 427
 428 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 429 {
 430         struct enic *enic = pmd_priv(eth_dev);
 431
 432         ENICPMD_FUNC_TRACE();
 433         enic->promisc = 1;
 434         enic_add_packet_filter(enic);
 435 }
 436
 437 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 438 {
 439         struct enic *enic = pmd_priv(eth_dev);
 440
 441         ENICPMD_FUNC_TRACE();
 442         enic->promisc = 0;
 443         enic_add_packet_filter(enic);
 444 }
 445
 446 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 447 {
 448         struct enic *enic = pmd_priv(eth_dev);
 449
 450         ENICPMD_FUNC_TRACE();
 451         enic->allmulti = 1;
 452         enic_add_packet_filter(enic);
 453 }
 454
 455 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 456 {
 457         struct enic *enic = pmd_priv(eth_dev);
 458
 459         ENICPMD_FUNC_TRACE();
 460         enic->allmulti = 0;
 461         enic_add_packet_filter(enic);
 462 }
 463
 464 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 465         struct ether_addr *mac_addr,
 466         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 467 {
 468         struct enic *enic = pmd_priv(eth_dev);
 469
 470         ENICPMD_FUNC_TRACE();
 471         enic_set_mac_address(enic, mac_addr->addr_bytes);
 472 }
 473
 474 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 475 {
 476         struct enic *enic = pmd_priv(eth_dev);
 477
 478         ENICPMD_FUNC_TRACE();
 479         enic_del_mac_address(enic);
 480 }
 481
 482
 483 static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 484         uint16_t nb_pkts)
 485 {
 486         unsigned int index;
 487         unsigned int frags;
 488         unsigned int pkt_len;
 489         unsigned int seg_len;
 490         unsigned int inc_len;
 491         unsigned int nb_segs;
 492         struct rte_mbuf *tx_pkt;
 493         struct vnic_wq *wq = (struct vnic_wq *)tx_queue;
 494         struct enic *enic = vnic_dev_priv(wq->vdev);
 495         unsigned short vlan_id;
 496         unsigned short ol_flags;
 497
 498         for (index = 0; index < nb_pkts; index++) {
 499                 tx_pkt = *tx_pkts++;
 500                 inc_len = 0;
 501                 nb_segs = tx_pkt->nb_segs;
 502                 if (nb_segs > vnic_wq_desc_avail(wq)) {
 503                         /* wq cleanup and try again */
 504                         if (!enic_cleanup_wq(enic, wq) ||
 505                                 (nb_segs > vnic_wq_desc_avail(wq)))
 506                                 return index;
 507                 }
 508                 pkt_len = tx_pkt->pkt_len;
 509                 vlan_id = tx_pkt->vlan_tci;
 510                 ol_flags = tx_pkt->ol_flags;
 511                 for (frags = 0; inc_len < pkt_len; frags++) {
 512                         if (!tx_pkt)
 513                                 break;
 514                         seg_len = tx_pkt->data_len;
 515                         inc_len += seg_len;
 516                         if (enic_send_pkt(enic, wq, tx_pkt,
 517                                     (unsigned short)seg_len, !frags,
 518                                     (pkt_len == inc_len), ol_flags, vlan_id)) {
 519                                 break;
 520                         }
 521                         tx_pkt = tx_pkt->next;
 522                 }
 523         }
 524
 525         enic_cleanup_wq(enic, wq);
 526         return index;
 527 }
 528
 529 static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 530         uint16_t nb_pkts)
 531 {
 532         struct vnic_rq *rq = (struct vnic_rq *)rx_queue;
 533         unsigned int work_done;
 534
 535         if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 536                 dev_err(enic, "error in enicpmd poll\n");
 537
 538         return work_done;
 539 }
 540
 541 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 542         .dev_configure        = enicpmd_dev_configure,
 543         .dev_start            = enicpmd_dev_start,
 544         .dev_stop             = enicpmd_dev_stop,
 545         .dev_set_link_up      = NULL,
 546         .dev_set_link_down    = NULL,
 547         .dev_close            = enicpmd_dev_close,
 548         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 549         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 550         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 551         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 552         .link_update          = enicpmd_dev_link_update,
 553         .stats_get            = enicpmd_dev_stats_get,
 554         .stats_reset          = enicpmd_dev_stats_reset,
 555         .queue_stats_mapping_set = NULL,
 556         .dev_infos_get        = enicpmd_dev_info_get,
 557         .mtu_set              = NULL,
 558         .vlan_filter_set      = enicpmd_vlan_filter_set,
 559         .vlan_tpid_set        = NULL,
 560         .vlan_offload_set     = enicpmd_vlan_offload_set,
 561         .vlan_strip_queue_set = NULL,
 562         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 563         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 564         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 565         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 566         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 567         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 568         .rx_queue_count       = NULL,
 569         .rx_descriptor_done   = NULL,
 570         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 571         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 572         .dev_led_on           = NULL,
 573         .dev_led_off          = NULL,
 574         .flow_ctrl_get        = NULL,
 575         .flow_ctrl_set        = NULL,
 576         .priority_flow_ctrl_set = NULL,
 577         .mac_addr_add         = enicpmd_add_mac_addr,
 578         .mac_addr_remove      = enicpmd_remove_mac_addr,
 579         .fdir_set_masks               = NULL,
 580         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 581 };
 582
 583 struct enic *enicpmd_list_head = NULL;
 584 /* Initialize the driver
 585  * It returns 0 on success.
 586  */
 587 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 588 {
 589         struct rte_pci_device *pdev;
 590         struct rte_pci_addr *addr;
 591         struct enic *enic = pmd_priv(eth_dev);
 592
 593         ENICPMD_FUNC_TRACE();
 594
 595         enic->port_id = eth_dev->data->port_id;
 596         enic->rte_dev = eth_dev;
 597         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 598         eth_dev->rx_pkt_burst = &enicpmd_recv_pkts;
 599         eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
 600
 601         pdev = eth_dev->pci_dev;
 602         enic->pdev = pdev;
 603         addr = &pdev->addr;
 604
 605         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 606                 addr->domain, addr->bus, addr->devid, addr->function);
 607
 608         return enic_probe(enic);
 609 }
 610
 611 static struct eth_driver rte_enic_pmd = {
 612         .pci_drv = {
 613                 .name = "rte_enic_pmd",
 614                 .id_table = pci_id_enic_map,
 615                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 616         },
 617         .eth_dev_init = eth_enicpmd_dev_init,
 618         .dev_private_size = sizeof(struct enic),
 619 };
 620
 621 /* Driver initialization routine.
 622  * Invoked once at EAL init time.
 623  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 624  */
 625 static int
 626 rte_enic_pmd_init(const char *name __rte_unused,
 627         const char *params __rte_unused)
 628 {
 629         ENICPMD_FUNC_TRACE();
 630
 631         rte_eth_driver_register(&rte_enic_pmd);
 632         return 0;
 633 }
 634
 635 static struct rte_driver rte_enic_driver = {
 636         .type = PMD_PDEV,
 637         .init = rte_enic_pmd_init,
 638 };
 639
 640 PMD_REGISTER_DRIVER(rte_enic_driver);