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 #define CISCO_PCI_VENDOR_ID 0x1137
  61 static const struct rte_pci_id pci_id_enic_map[] = {
  62         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  63         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  64         {.vendor_id = 0, /* sentinel */},
  65 };
  66
  67 static int
  68 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  69                         enum rte_filter_op filter_op, void *arg)
  70 {
  71         struct enic *enic = pmd_priv(eth_dev);
  72         int ret = 0;
  73
  74         ENICPMD_FUNC_TRACE();
  75         if (filter_op == RTE_ETH_FILTER_NOP)
  76                 return 0;
  77
  78         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  79                 return -EINVAL;
  80
  81         switch (filter_op) {
  82         case RTE_ETH_FILTER_ADD:
  83         case RTE_ETH_FILTER_UPDATE:
  84                 ret = enic_fdir_add_fltr(enic,
  85                         (struct rte_eth_fdir_filter *)arg);
  86                 break;
  87
  88         case RTE_ETH_FILTER_DELETE:
  89                 ret = enic_fdir_del_fltr(enic,
  90                         (struct rte_eth_fdir_filter *)arg);
  91                 break;
  92
  93         case RTE_ETH_FILTER_STATS:
  94                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  95                 break;
  96
  97         case RTE_ETH_FILTER_FLUSH:
  98         case RTE_ETH_FILTER_INFO:
  99                 dev_warning(enic, "unsupported operation %u", filter_op);
 100                 ret = -ENOTSUP;
 101                 break;
 102         default:
 103                 dev_err(enic, "unknown operation %u", filter_op);
 104                 ret = -EINVAL;
 105                 break;
 106         }
 107         return ret;
 108 }
 109
 110 static int
 111 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 112                      enum rte_filter_type filter_type,
 113                      enum rte_filter_op filter_op,
 114                      void *arg)
 115 {
 116         int ret = -EINVAL;
 117
 118         if (RTE_ETH_FILTER_FDIR == filter_type)
 119                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 120         else
 121                 dev_warning(enic, "Filter type (%d) not supported",
 122                         filter_type);
 123
 124         return ret;
 125 }
 126
 127 static void enicpmd_dev_tx_queue_release(void *txq)
 128 {
 129         ENICPMD_FUNC_TRACE();
 130         enic_free_wq(txq);
 131 }
 132
 133 static int enicpmd_dev_setup_intr(struct enic *enic)
 134 {
 135         int ret;
 136         unsigned int index;
 137
 138         ENICPMD_FUNC_TRACE();
 139
 140         /* Are we done with the init of all the queues? */
 141         for (index = 0; index < enic->cq_count; index++) {
 142                 if (!enic->cq[index].ctrl)
 143                         break;
 144         }
 145         if (enic->cq_count != index)
 146                 return 0;
 147         for (index = 0; index < enic->wq_count; index++) {
 148                 if (!enic->wq[index].ctrl)
 149                         break;
 150         }
 151         if (enic->wq_count != index)
 152                 return 0;
 153         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 154         for (index = 0; index < enic->rq_count; index++) {
 155                 if (!enic->rq[enic_sop_rq(index)].ctrl)
 156                         break;
 157         }
 158         if (enic->rq_count != index)
 159                 return 0;
 160
 161         ret = enic_alloc_intr_resources(enic);
 162         if (ret) {
 163                 dev_err(enic, "alloc intr failed\n");
 164                 return ret;
 165         }
 166         enic_init_vnic_resources(enic);
 167
 168         ret = enic_setup_finish(enic);
 169         if (ret)
 170                 dev_err(enic, "setup could not be finished\n");
 171
 172         return ret;
 173 }
 174
 175 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 176         uint16_t queue_idx,
 177         uint16_t nb_desc,
 178         unsigned int socket_id,
 179         __rte_unused const struct rte_eth_txconf *tx_conf)
 180 {
 181         int ret;
 182         struct enic *enic = pmd_priv(eth_dev);
 183
 184         ENICPMD_FUNC_TRACE();
 185         if (queue_idx >= ENIC_WQ_MAX) {
 186                 dev_err(enic,
 187                         "Max number of TX queues exceeded.  Max is %d\n",
 188                         ENIC_WQ_MAX);
 189                 return -EINVAL;
 190         }
 191
 192         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 193
 194         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 195         if (ret) {
 196                 dev_err(enic, "error in allocating wq\n");
 197                 return ret;
 198         }
 199
 200         return enicpmd_dev_setup_intr(enic);
 201 }
 202
 203 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 204         uint16_t queue_idx)
 205 {
 206         struct enic *enic = pmd_priv(eth_dev);
 207
 208         ENICPMD_FUNC_TRACE();
 209
 210         enic_start_wq(enic, queue_idx);
 211
 212         return 0;
 213 }
 214
 215 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 216         uint16_t queue_idx)
 217 {
 218         int ret;
 219         struct enic *enic = pmd_priv(eth_dev);
 220
 221         ENICPMD_FUNC_TRACE();
 222
 223         ret = enic_stop_wq(enic, queue_idx);
 224         if (ret)
 225                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 226
 227         return ret;
 228 }
 229
 230 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 231         uint16_t queue_idx)
 232 {
 233         struct enic *enic = pmd_priv(eth_dev);
 234
 235         ENICPMD_FUNC_TRACE();
 236
 237         enic_start_rq(enic, queue_idx);
 238
 239         return 0;
 240 }
 241
 242 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 243         uint16_t queue_idx)
 244 {
 245         int ret;
 246         struct enic *enic = pmd_priv(eth_dev);
 247
 248         ENICPMD_FUNC_TRACE();
 249
 250         ret = enic_stop_rq(enic, queue_idx);
 251         if (ret)
 252                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 253
 254         return ret;
 255 }
 256
 257 static void enicpmd_dev_rx_queue_release(void *rxq)
 258 {
 259         ENICPMD_FUNC_TRACE();
 260         enic_free_rq(rxq);
 261 }
 262
 263 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 264         uint16_t queue_idx,
 265         uint16_t nb_desc,
 266         unsigned int socket_id,
 267         const struct rte_eth_rxconf *rx_conf,
 268         struct rte_mempool *mp)
 269 {
 270         int ret;
 271         struct enic *enic = pmd_priv(eth_dev);
 272
 273         ENICPMD_FUNC_TRACE();
 274         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 275          * by the application.
 276          */
 277         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 278                 dev_err(enic,
 279                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 280                         ENIC_RQ_MAX);
 281                 return -EINVAL;
 282         }
 283
 284         eth_dev->data->rx_queues[queue_idx] =
 285                 (void *)&enic->rq[enic_sop_rq(queue_idx)];
 286
 287         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 288         if (ret) {
 289                 dev_err(enic, "error in allocating rq\n");
 290                 return ret;
 291         }
 292
 293         enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
 294         dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
 295                         enic->rq[queue_idx].rx_free_thresh);
 296
 297         return enicpmd_dev_setup_intr(enic);
 298 }
 299
 300 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 301         uint16_t vlan_id, int on)
 302 {
 303         struct enic *enic = pmd_priv(eth_dev);
 304         int err;
 305
 306         ENICPMD_FUNC_TRACE();
 307         if (on)
 308                 err = enic_add_vlan(enic, vlan_id);
 309         else
 310                 err = enic_del_vlan(enic, vlan_id);
 311         return err;
 312 }
 313
 314 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 315 {
 316         struct enic *enic = pmd_priv(eth_dev);
 317
 318         ENICPMD_FUNC_TRACE();
 319
 320         if (mask & ETH_VLAN_STRIP_MASK) {
 321                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 322                         enic->ig_vlan_strip_en = 1;
 323                 else
 324                         enic->ig_vlan_strip_en = 0;
 325         }
 326         enic_set_rss_nic_cfg(enic);
 327
 328
 329         if (mask & ETH_VLAN_FILTER_MASK) {
 330                 dev_warning(enic,
 331                         "Configuration of VLAN filter is not supported\n");
 332         }
 333
 334         if (mask & ETH_VLAN_EXTEND_MASK) {
 335                 dev_warning(enic,
 336                         "Configuration of extended VLAN is not supported\n");
 337         }
 338 }
 339
 340 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 341 {
 342         int ret;
 343         struct enic *enic = pmd_priv(eth_dev);
 344
 345         ENICPMD_FUNC_TRACE();
 346         ret = enic_set_vnic_res(enic);
 347         if (ret) {
 348                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 349                 return ret;
 350         }
 351
 352         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 353                 eth_dev->data->dev_conf.rxmode.header_split) {
 354                 /* Enable header-data-split */
 355                 enic_set_hdr_split_size(enic,
 356                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 357         }
 358
 359         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 360         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 361         return 0;
 362 }
 363
 364 /* Start the device.
 365  * It returns 0 on success.
 366  */
 367 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 368 {
 369         struct enic *enic = pmd_priv(eth_dev);
 370
 371         ENICPMD_FUNC_TRACE();
 372         return enic_enable(enic);
 373 }
 374
 375 /*
 376  * Stop device: disable rx and tx functions to allow for reconfiguring.
 377  */
 378 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 379 {
 380         struct rte_eth_link link;
 381         struct enic *enic = pmd_priv(eth_dev);
 382
 383         ENICPMD_FUNC_TRACE();
 384         enic_disable(enic);
 385         memset(&link, 0, sizeof(link));
 386         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 387                 *(uint64_t *)&eth_dev->data->dev_link,
 388                 *(uint64_t *)&link);
 389 }
 390
 391 /*
 392  * Stop device.
 393  */
 394 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 395 {
 396         struct enic *enic = pmd_priv(eth_dev);
 397
 398         ENICPMD_FUNC_TRACE();
 399         enic_remove(enic);
 400 }
 401
 402 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 403         __rte_unused int wait_to_complete)
 404 {
 405         struct enic *enic = pmd_priv(eth_dev);
 406         int ret;
 407         int link_status = 0;
 408
 409         ENICPMD_FUNC_TRACE();
 410         link_status = enic_get_link_status(enic);
 411         ret = (link_status == enic->link_status);
 412         enic->link_status = link_status;
 413         eth_dev->data->dev_link.link_status = link_status;
 414         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 415         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 416         return ret;
 417 }
 418
 419 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 420         struct rte_eth_stats *stats)
 421 {
 422         struct enic *enic = pmd_priv(eth_dev);
 423
 424         ENICPMD_FUNC_TRACE();
 425         enic_dev_stats_get(enic, stats);
 426 }
 427
 428 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 429 {
 430         struct enic *enic = pmd_priv(eth_dev);
 431
 432         ENICPMD_FUNC_TRACE();
 433         enic_dev_stats_clear(enic);
 434 }
 435
 436 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 437         struct rte_eth_dev_info *device_info)
 438 {
 439         struct enic *enic = pmd_priv(eth_dev);
 440
 441         ENICPMD_FUNC_TRACE();
 442         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 443         device_info->max_rx_queues = enic->conf_rq_count / 2;
 444         device_info->max_tx_queues = enic->conf_wq_count;
 445         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 446         device_info->max_rx_pktlen = enic->rte_dev->data->mtu
 447                                    + ETHER_HDR_LEN + 4;
 448         device_info->max_mac_addrs = 1;
 449         device_info->rx_offload_capa =
 450                 DEV_RX_OFFLOAD_VLAN_STRIP |
 451                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 452                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 453                 DEV_RX_OFFLOAD_TCP_CKSUM;
 454         device_info->tx_offload_capa =
 455                 DEV_TX_OFFLOAD_VLAN_INSERT |
 456                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 457                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 458                 DEV_TX_OFFLOAD_TCP_CKSUM;
 459         device_info->default_rxconf = (struct rte_eth_rxconf) {
 460                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 461         };
 462 }
 463
 464 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 465 {
 466         static const uint32_t ptypes[] = {
 467                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 468                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 469                 RTE_PTYPE_L4_TCP,
 470                 RTE_PTYPE_L4_UDP,
 471                 RTE_PTYPE_L4_FRAG,
 472                 RTE_PTYPE_L4_NONFRAG,
 473                 RTE_PTYPE_UNKNOWN
 474         };
 475
 476         if (dev->rx_pkt_burst == enic_recv_pkts)
 477                 return ptypes;
 478         return NULL;
 479 }
 480
 481 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 482 {
 483         struct enic *enic = pmd_priv(eth_dev);
 484
 485         ENICPMD_FUNC_TRACE();
 486         enic->promisc = 1;
 487         enic_add_packet_filter(enic);
 488 }
 489
 490 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 491 {
 492         struct enic *enic = pmd_priv(eth_dev);
 493
 494         ENICPMD_FUNC_TRACE();
 495         enic->promisc = 0;
 496         enic_add_packet_filter(enic);
 497 }
 498
 499 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 500 {
 501         struct enic *enic = pmd_priv(eth_dev);
 502
 503         ENICPMD_FUNC_TRACE();
 504         enic->allmulti = 1;
 505         enic_add_packet_filter(enic);
 506 }
 507
 508 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 509 {
 510         struct enic *enic = pmd_priv(eth_dev);
 511
 512         ENICPMD_FUNC_TRACE();
 513         enic->allmulti = 0;
 514         enic_add_packet_filter(enic);
 515 }
 516
 517 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 518         struct ether_addr *mac_addr,
 519         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 520 {
 521         struct enic *enic = pmd_priv(eth_dev);
 522
 523         ENICPMD_FUNC_TRACE();
 524         enic_set_mac_address(enic, mac_addr->addr_bytes);
 525 }
 526
 527 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 528 {
 529         struct enic *enic = pmd_priv(eth_dev);
 530
 531         ENICPMD_FUNC_TRACE();
 532         enic_del_mac_address(enic);
 533 }
 534
 535 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 536 {
 537         struct enic *enic = pmd_priv(eth_dev);
 538
 539         ENICPMD_FUNC_TRACE();
 540         return enic_set_mtu(enic, mtu);
 541 }
 542
 543 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 544         .dev_configure        = enicpmd_dev_configure,
 545         .dev_start            = enicpmd_dev_start,
 546         .dev_stop             = enicpmd_dev_stop,
 547         .dev_set_link_up      = NULL,
 548         .dev_set_link_down    = NULL,
 549         .dev_close            = enicpmd_dev_close,
 550         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 551         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 552         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 553         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 554         .link_update          = enicpmd_dev_link_update,
 555         .stats_get            = enicpmd_dev_stats_get,
 556         .stats_reset          = enicpmd_dev_stats_reset,
 557         .queue_stats_mapping_set = NULL,
 558         .dev_infos_get        = enicpmd_dev_info_get,
 559         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 560         .mtu_set              = enicpmd_mtu_set,
 561         .vlan_filter_set      = enicpmd_vlan_filter_set,
 562         .vlan_tpid_set        = NULL,
 563         .vlan_offload_set     = enicpmd_vlan_offload_set,
 564         .vlan_strip_queue_set = NULL,
 565         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 566         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 567         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 568         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 569         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 570         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 571         .rx_queue_count       = NULL,
 572         .rx_descriptor_done   = NULL,
 573         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 574         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 575         .dev_led_on           = NULL,
 576         .dev_led_off          = NULL,
 577         .flow_ctrl_get        = NULL,
 578         .flow_ctrl_set        = NULL,
 579         .priority_flow_ctrl_set = NULL,
 580         .mac_addr_add         = enicpmd_add_mac_addr,
 581         .mac_addr_remove      = enicpmd_remove_mac_addr,
 582         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 583 };
 584
 585 struct enic *enicpmd_list_head = NULL;
 586 /* Initialize the driver
 587  * It returns 0 on success.
 588  */
 589 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 590 {
 591         struct rte_pci_device *pdev;
 592         struct rte_pci_addr *addr;
 593         struct enic *enic = pmd_priv(eth_dev);
 594
 595         ENICPMD_FUNC_TRACE();
 596
 597         enic->port_id = eth_dev->data->port_id;
 598         enic->rte_dev = eth_dev;
 599         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 600         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 601         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 602
 603         pdev = eth_dev->pci_dev;
 604         rte_eth_copy_pci_info(eth_dev, pdev);
 605         enic->pdev = pdev;
 606         addr = &pdev->addr;
 607
 608         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 609                 addr->domain, addr->bus, addr->devid, addr->function);
 610
 611         return enic_probe(enic);
 612 }
 613
 614 static struct eth_driver rte_enic_pmd = {
 615         .pci_drv = {
 616                 .name = "rte_enic_pmd",
 617                 .id_table = pci_id_enic_map,
 618                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 619         },
 620         .eth_dev_init = eth_enicpmd_dev_init,
 621         .dev_private_size = sizeof(struct enic),
 622 };
 623
 624 /* Driver initialization routine.
 625  * Invoked once at EAL init time.
 626  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 627  */
 628 static int
 629 rte_enic_pmd_init(__rte_unused const char *name,
 630          __rte_unused const char *params)
 631 {
 632         ENICPMD_FUNC_TRACE();
 633
 634         rte_eth_driver_register(&rte_enic_pmd);
 635         return 0;
 636 }
 637
 638 static struct rte_driver rte_enic_driver = {
 639         .type = PMD_PDEV,
 640         .init = rte_enic_pmd_init,
 641 };
 642
 643 PMD_REGISTER_DRIVER(rte_enic_driver, enic);
 644 DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);