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