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         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 178
 179         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 180         if (ret) {
 181                 dev_err(enic, "error in allocating wq\n");
 182                 return ret;
 183         }
 184
 185         return enicpmd_dev_setup_intr(enic);
 186 }
 187
 188 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 189         uint16_t queue_idx)
 190 {
 191         struct enic *enic = pmd_priv(eth_dev);
 192
 193         ENICPMD_FUNC_TRACE();
 194
 195         enic_start_wq(enic, queue_idx);
 196
 197         return 0;
 198 }
 199
 200 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 201         uint16_t queue_idx)
 202 {
 203         int ret;
 204         struct enic *enic = pmd_priv(eth_dev);
 205
 206         ENICPMD_FUNC_TRACE();
 207
 208         ret = enic_stop_wq(enic, queue_idx);
 209         if (ret)
 210                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 211
 212         return ret;
 213 }
 214
 215 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 216         uint16_t queue_idx)
 217 {
 218         struct enic *enic = pmd_priv(eth_dev);
 219
 220         ENICPMD_FUNC_TRACE();
 221
 222         enic_start_rq(enic, queue_idx);
 223
 224         return 0;
 225 }
 226
 227 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 228         uint16_t queue_idx)
 229 {
 230         int ret;
 231         struct enic *enic = pmd_priv(eth_dev);
 232
 233         ENICPMD_FUNC_TRACE();
 234
 235         ret = enic_stop_rq(enic, queue_idx);
 236         if (ret)
 237                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 238
 239         return ret;
 240 }
 241
 242 static void enicpmd_dev_rx_queue_release(void *rxq)
 243 {
 244         ENICPMD_FUNC_TRACE();
 245         enic_free_rq(rxq);
 246 }
 247
 248 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 249         uint16_t queue_idx,
 250         uint16_t nb_desc,
 251         unsigned int socket_id,
 252         __rte_unused const struct rte_eth_rxconf *rx_conf,
 253         struct rte_mempool *mp)
 254 {
 255         int ret;
 256         struct enic *enic = pmd_priv(eth_dev);
 257
 258         ENICPMD_FUNC_TRACE();
 259         eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
 260
 261         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 262         if (ret) {
 263                 dev_err(enic, "error in allocating rq\n");
 264                 return ret;
 265         }
 266
 267         return enicpmd_dev_setup_intr(enic);
 268 }
 269
 270 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 271         uint16_t vlan_id, int on)
 272 {
 273         struct enic *enic = pmd_priv(eth_dev);
 274
 275         ENICPMD_FUNC_TRACE();
 276         if (on)
 277                 enic_add_vlan(enic, vlan_id);
 278         else
 279                 enic_del_vlan(enic, vlan_id);
 280         return 0;
 281 }
 282
 283 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 284 {
 285         struct enic *enic = pmd_priv(eth_dev);
 286
 287         ENICPMD_FUNC_TRACE();
 288
 289         if (mask & ETH_VLAN_STRIP_MASK) {
 290                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 291                         enic->ig_vlan_strip_en = 1;
 292                 else
 293                         enic->ig_vlan_strip_en = 0;
 294         }
 295         enic_set_rss_nic_cfg(enic);
 296
 297
 298         if (mask & ETH_VLAN_FILTER_MASK) {
 299                 dev_warning(enic,
 300                         "Configuration of VLAN filter is not supported\n");
 301         }
 302
 303         if (mask & ETH_VLAN_EXTEND_MASK) {
 304                 dev_warning(enic,
 305                         "Configuration of extended VLAN is not supported\n");
 306         }
 307 }
 308
 309 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 310 {
 311         int ret;
 312         struct enic *enic = pmd_priv(eth_dev);
 313
 314         ENICPMD_FUNC_TRACE();
 315         ret = enic_set_vnic_res(enic);
 316         if (ret) {
 317                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 318                 return ret;
 319         }
 320
 321         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 322                 eth_dev->data->dev_conf.rxmode.header_split) {
 323                 /* Enable header-data-split */
 324                 enic_set_hdr_split_size(enic,
 325                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 326         }
 327
 328         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 329         return 0;
 330 }
 331
 332 /* Start the device.
 333  * It returns 0 on success.
 334  */
 335 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 336 {
 337         struct enic *enic = pmd_priv(eth_dev);
 338
 339         ENICPMD_FUNC_TRACE();
 340         return enic_enable(enic);
 341 }
 342
 343 /*
 344  * Stop device: disable rx and tx functions to allow for reconfiguring.
 345  */
 346 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 347 {
 348         struct rte_eth_link link;
 349         struct enic *enic = pmd_priv(eth_dev);
 350
 351         ENICPMD_FUNC_TRACE();
 352         enic_disable(enic);
 353         memset(&link, 0, sizeof(link));
 354         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 355                 *(uint64_t *)&eth_dev->data->dev_link,
 356                 *(uint64_t *)&link);
 357 }
 358
 359 /*
 360  * Stop device.
 361  */
 362 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 363 {
 364         struct enic *enic = pmd_priv(eth_dev);
 365
 366         ENICPMD_FUNC_TRACE();
 367         enic_remove(enic);
 368 }
 369
 370 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 371         __rte_unused int wait_to_complete)
 372 {
 373         struct enic *enic = pmd_priv(eth_dev);
 374         int ret;
 375         int link_status = 0;
 376
 377         ENICPMD_FUNC_TRACE();
 378         link_status = enic_get_link_status(enic);
 379         ret = (link_status == enic->link_status);
 380         enic->link_status = link_status;
 381         eth_dev->data->dev_link.link_status = link_status;
 382         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 383         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 384         return ret;
 385 }
 386
 387 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 388         struct rte_eth_stats *stats)
 389 {
 390         struct enic *enic = pmd_priv(eth_dev);
 391
 392         ENICPMD_FUNC_TRACE();
 393         enic_dev_stats_get(enic, stats);
 394 }
 395
 396 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 397 {
 398         struct enic *enic = pmd_priv(eth_dev);
 399
 400         ENICPMD_FUNC_TRACE();
 401         enic_dev_stats_clear(enic);
 402 }
 403
 404 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 405         struct rte_eth_dev_info *device_info)
 406 {
 407         struct enic *enic = pmd_priv(eth_dev);
 408
 409         ENICPMD_FUNC_TRACE();
 410         device_info->max_rx_queues = enic->rq_count;
 411         device_info->max_tx_queues = enic->wq_count;
 412         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 413         device_info->max_rx_pktlen = enic->config.mtu;
 414         device_info->max_mac_addrs = 1;
 415         device_info->rx_offload_capa =
 416                 DEV_RX_OFFLOAD_VLAN_STRIP |
 417                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 418                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 419                 DEV_RX_OFFLOAD_TCP_CKSUM;
 420         device_info->tx_offload_capa =
 421                 DEV_TX_OFFLOAD_VLAN_INSERT |
 422                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 423                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 424                 DEV_TX_OFFLOAD_TCP_CKSUM;
 425 }
 426
 427 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 428 {
 429         struct enic *enic = pmd_priv(eth_dev);
 430
 431         ENICPMD_FUNC_TRACE();
 432         enic->promisc = 1;
 433         enic_add_packet_filter(enic);
 434 }
 435
 436 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 437 {
 438         struct enic *enic = pmd_priv(eth_dev);
 439
 440         ENICPMD_FUNC_TRACE();
 441         enic->promisc = 0;
 442         enic_add_packet_filter(enic);
 443 }
 444
 445 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 446 {
 447         struct enic *enic = pmd_priv(eth_dev);
 448
 449         ENICPMD_FUNC_TRACE();
 450         enic->allmulti = 1;
 451         enic_add_packet_filter(enic);
 452 }
 453
 454 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 455 {
 456         struct enic *enic = pmd_priv(eth_dev);
 457
 458         ENICPMD_FUNC_TRACE();
 459         enic->allmulti = 0;
 460         enic_add_packet_filter(enic);
 461 }
 462
 463 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 464         struct ether_addr *mac_addr,
 465         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 466 {
 467         struct enic *enic = pmd_priv(eth_dev);
 468
 469         ENICPMD_FUNC_TRACE();
 470         enic_set_mac_address(enic, mac_addr->addr_bytes);
 471 }
 472
 473 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 474 {
 475         struct enic *enic = pmd_priv(eth_dev);
 476
 477         ENICPMD_FUNC_TRACE();
 478         enic_del_mac_address(enic);
 479 }
 480
 481
 482 static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 483         uint16_t nb_pkts)
 484 {
 485         unsigned int index;
 486         unsigned int frags;
 487         unsigned int pkt_len;
 488         unsigned int seg_len;
 489         unsigned int inc_len;
 490         unsigned int nb_segs;
 491         struct rte_mbuf *tx_pkt;
 492         struct vnic_wq *wq = (struct vnic_wq *)tx_queue;
 493         struct enic *enic = vnic_dev_priv(wq->vdev);
 494         unsigned short vlan_id;
 495         unsigned short ol_flags;
 496
 497         for (index = 0; index < nb_pkts; index++) {
 498                 tx_pkt = *tx_pkts++;
 499                 inc_len = 0;
 500                 nb_segs = tx_pkt->nb_segs;
 501                 if (nb_segs > vnic_wq_desc_avail(wq)) {
 502                         /* wq cleanup and try again */
 503                         if (!enic_cleanup_wq(enic, wq) ||
 504                                 (nb_segs > vnic_wq_desc_avail(wq)))
 505                                 return index;
 506                 }
 507                 pkt_len = tx_pkt->pkt_len;
 508                 vlan_id = tx_pkt->vlan_tci;
 509                 ol_flags = tx_pkt->ol_flags;
 510                 for (frags = 0; inc_len < pkt_len; frags++) {
 511                         if (!tx_pkt)
 512                                 break;
 513                         seg_len = tx_pkt->data_len;
 514                         inc_len += seg_len;
 515                         if (enic_send_pkt(enic, wq, tx_pkt,
 516                                     (unsigned short)seg_len, !frags,
 517                                     (pkt_len == inc_len), ol_flags, vlan_id)) {
 518                                 break;
 519                         }
 520                         tx_pkt = tx_pkt->next;
 521                 }
 522         }
 523
 524         enic_cleanup_wq(enic, wq);
 525         return index;
 526 }
 527
 528 static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 529         uint16_t nb_pkts)
 530 {
 531         struct vnic_rq *rq = (struct vnic_rq *)rx_queue;
 532         unsigned int work_done;
 533
 534         if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 535                 dev_err(enic, "error in enicpmd poll\n");
 536
 537         return work_done;
 538 }
 539
 540 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 541         .dev_configure        = enicpmd_dev_configure,
 542         .dev_start            = enicpmd_dev_start,
 543         .dev_stop             = enicpmd_dev_stop,
 544         .dev_set_link_up      = NULL,
 545         .dev_set_link_down    = NULL,
 546         .dev_close            = enicpmd_dev_close,
 547         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 548         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 549         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 550         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 551         .link_update          = enicpmd_dev_link_update,
 552         .stats_get            = enicpmd_dev_stats_get,
 553         .stats_reset          = enicpmd_dev_stats_reset,
 554         .queue_stats_mapping_set = NULL,
 555         .dev_infos_get        = enicpmd_dev_info_get,
 556         .mtu_set              = NULL,
 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 = &enicpmd_recv_pkts;
 597         eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
 598
 599         pdev = eth_dev->pci_dev;
 600         enic->pdev = pdev;
 601         addr = &pdev->addr;
 602
 603         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 604                 addr->domain, addr->bus, addr->devid, addr->function);
 605
 606         return enic_probe(enic);
 607 }
 608
 609 static struct eth_driver rte_enic_pmd = {
 610         .pci_drv = {
 611                 .name = "rte_enic_pmd",
 612                 .id_table = pci_id_enic_map,
 613                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 614         },
 615         .eth_dev_init = eth_enicpmd_dev_init,
 616         .dev_private_size = sizeof(struct enic),
 617 };
 618
 619 /* Driver initialization routine.
 620  * Invoked once at EAL init time.
 621  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 622  */
 623 static int
 624 rte_enic_pmd_init(const char *name __rte_unused,
 625         const char *params __rte_unused)
 626 {
 627         ENICPMD_FUNC_TRACE();
 628
 629         rte_eth_driver_register(&rte_enic_pmd);
 630         return 0;
 631 }
 632
 633 static struct rte_driver rte_enic_driver = {
 634         .type = PMD_PDEV,
 635         .init = rte_enic_pmd_init,
 636 };
 637
 638 PMD_REGISTER_DRIVER(rte_enic_driver);