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                 dev_warning(enic, "unsupported operation %u", filter_op);
  99                 ret = -ENOTSUP;
 100                 break;
 101         case RTE_ETH_FILTER_INFO:
 102                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
 103                 break;
 104         default:
 105                 dev_err(enic, "unknown operation %u", filter_op);
 106                 ret = -EINVAL;
 107                 break;
 108         }
 109         return ret;
 110 }
 111
 112 static int
 113 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 114                      enum rte_filter_type filter_type,
 115                      enum rte_filter_op filter_op,
 116                      void *arg)
 117 {
 118         int ret = -EINVAL;
 119
 120         if (RTE_ETH_FILTER_FDIR == filter_type)
 121                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 122         else
 123                 dev_warning(enic, "Filter type (%d) not supported",
 124                         filter_type);
 125
 126         return ret;
 127 }
 128
 129 static void enicpmd_dev_tx_queue_release(void *txq)
 130 {
 131         ENICPMD_FUNC_TRACE();
 132         enic_free_wq(txq);
 133 }
 134
 135 static int enicpmd_dev_setup_intr(struct enic *enic)
 136 {
 137         int ret;
 138         unsigned int index;
 139
 140         ENICPMD_FUNC_TRACE();
 141
 142         /* Are we done with the init of all the queues? */
 143         for (index = 0; index < enic->cq_count; index++) {
 144                 if (!enic->cq[index].ctrl)
 145                         break;
 146         }
 147         if (enic->cq_count != index)
 148                 return 0;
 149         for (index = 0; index < enic->wq_count; index++) {
 150                 if (!enic->wq[index].ctrl)
 151                         break;
 152         }
 153         if (enic->wq_count != index)
 154                 return 0;
 155         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 156         for (index = 0; index < enic->rq_count; index++) {
 157                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 158                         break;
 159         }
 160         if (enic->rq_count != index)
 161                 return 0;
 162
 163         ret = enic_alloc_intr_resources(enic);
 164         if (ret) {
 165                 dev_err(enic, "alloc intr failed\n");
 166                 return ret;
 167         }
 168         enic_init_vnic_resources(enic);
 169
 170         ret = enic_setup_finish(enic);
 171         if (ret)
 172                 dev_err(enic, "setup could not be finished\n");
 173
 174         return ret;
 175 }
 176
 177 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 178         uint16_t queue_idx,
 179         uint16_t nb_desc,
 180         unsigned int socket_id,
 181         __rte_unused const struct rte_eth_txconf *tx_conf)
 182 {
 183         int ret;
 184         struct enic *enic = pmd_priv(eth_dev);
 185
 186         ENICPMD_FUNC_TRACE();
 187         if (queue_idx >= ENIC_WQ_MAX) {
 188                 dev_err(enic,
 189                         "Max number of TX queues exceeded.  Max is %d\n",
 190                         ENIC_WQ_MAX);
 191                 return -EINVAL;
 192         }
 193
 194         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 195
 196         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 197         if (ret) {
 198                 dev_err(enic, "error in allocating wq\n");
 199                 return ret;
 200         }
 201
 202         return enicpmd_dev_setup_intr(enic);
 203 }
 204
 205 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 206         uint16_t queue_idx)
 207 {
 208         struct enic *enic = pmd_priv(eth_dev);
 209
 210         ENICPMD_FUNC_TRACE();
 211
 212         enic_start_wq(enic, queue_idx);
 213
 214         return 0;
 215 }
 216
 217 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 218         uint16_t queue_idx)
 219 {
 220         int ret;
 221         struct enic *enic = pmd_priv(eth_dev);
 222
 223         ENICPMD_FUNC_TRACE();
 224
 225         ret = enic_stop_wq(enic, queue_idx);
 226         if (ret)
 227                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 228
 229         return ret;
 230 }
 231
 232 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 233         uint16_t queue_idx)
 234 {
 235         struct enic *enic = pmd_priv(eth_dev);
 236
 237         ENICPMD_FUNC_TRACE();
 238
 239         enic_start_rq(enic, queue_idx);
 240
 241         return 0;
 242 }
 243
 244 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 245         uint16_t queue_idx)
 246 {
 247         int ret;
 248         struct enic *enic = pmd_priv(eth_dev);
 249
 250         ENICPMD_FUNC_TRACE();
 251
 252         ret = enic_stop_rq(enic, queue_idx);
 253         if (ret)
 254                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 255
 256         return ret;
 257 }
 258
 259 static void enicpmd_dev_rx_queue_release(void *rxq)
 260 {
 261         ENICPMD_FUNC_TRACE();
 262         enic_free_rq(rxq);
 263 }
 264
 265 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 266                                            uint16_t rx_queue_id)
 267 {
 268         struct enic *enic = pmd_priv(dev);
 269         uint32_t queue_count = 0;
 270         struct vnic_cq *cq;
 271         uint32_t cq_tail;
 272         uint16_t cq_idx;
 273         int rq_num;
 274
 275         if (rx_queue_id >= dev->data->nb_rx_queues) {
 276                 dev_err(enic, "Invalid RX queue id=%d", rx_queue_id);
 277                 return 0;
 278         }
 279
 280         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 281         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 282         cq_idx = cq->to_clean;
 283
 284         cq_tail = ioread32(&cq->ctrl->cq_tail);
 285
 286         if (cq_tail < cq_idx)
 287                 cq_tail += cq->ring.desc_count;
 288
 289         queue_count = cq_tail - cq_idx;
 290
 291         return queue_count;
 292 }
 293
 294 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 295         uint16_t queue_idx,
 296         uint16_t nb_desc,
 297         unsigned int socket_id,
 298         const struct rte_eth_rxconf *rx_conf,
 299         struct rte_mempool *mp)
 300 {
 301         int ret;
 302         struct enic *enic = pmd_priv(eth_dev);
 303
 304         ENICPMD_FUNC_TRACE();
 305         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 306          * by the application.
 307          */
 308         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 309                 dev_err(enic,
 310                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 311                         ENIC_RQ_MAX);
 312                 return -EINVAL;
 313         }
 314
 315         eth_dev->data->rx_queues[queue_idx] =
 316                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 317
 318         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 319                             rx_conf->rx_free_thresh);
 320         if (ret) {
 321                 dev_err(enic, "error in allocating rq\n");
 322                 return ret;
 323         }
 324
 325         return enicpmd_dev_setup_intr(enic);
 326 }
 327
 328 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 329         uint16_t vlan_id, int on)
 330 {
 331         struct enic *enic = pmd_priv(eth_dev);
 332         int err;
 333
 334         ENICPMD_FUNC_TRACE();
 335         if (on)
 336                 err = enic_add_vlan(enic, vlan_id);
 337         else
 338                 err = enic_del_vlan(enic, vlan_id);
 339         return err;
 340 }
 341
 342 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 343 {
 344         struct enic *enic = pmd_priv(eth_dev);
 345
 346         ENICPMD_FUNC_TRACE();
 347
 348         if (mask & ETH_VLAN_STRIP_MASK) {
 349                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 350                         enic->ig_vlan_strip_en = 1;
 351                 else
 352                         enic->ig_vlan_strip_en = 0;
 353         }
 354         enic_set_rss_nic_cfg(enic);
 355
 356
 357         if (mask & ETH_VLAN_FILTER_MASK) {
 358                 dev_warning(enic,
 359                         "Configuration of VLAN filter is not supported\n");
 360         }
 361
 362         if (mask & ETH_VLAN_EXTEND_MASK) {
 363                 dev_warning(enic,
 364                         "Configuration of extended VLAN is not supported\n");
 365         }
 366 }
 367
 368 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 369 {
 370         int ret;
 371         struct enic *enic = pmd_priv(eth_dev);
 372
 373         ENICPMD_FUNC_TRACE();
 374         ret = enic_set_vnic_res(enic);
 375         if (ret) {
 376                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 377                 return ret;
 378         }
 379
 380         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 381                 eth_dev->data->dev_conf.rxmode.header_split) {
 382                 /* Enable header-data-split */
 383                 enic_set_hdr_split_size(enic,
 384                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 385         }
 386
 387         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 388         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 389         return 0;
 390 }
 391
 392 /* Start the device.
 393  * It returns 0 on success.
 394  */
 395 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 396 {
 397         struct enic *enic = pmd_priv(eth_dev);
 398
 399         ENICPMD_FUNC_TRACE();
 400         return enic_enable(enic);
 401 }
 402
 403 /*
 404  * Stop device: disable rx and tx functions to allow for reconfiguring.
 405  */
 406 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 407 {
 408         struct rte_eth_link link;
 409         struct enic *enic = pmd_priv(eth_dev);
 410
 411         ENICPMD_FUNC_TRACE();
 412         enic_disable(enic);
 413         memset(&link, 0, sizeof(link));
 414         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 415                 *(uint64_t *)&eth_dev->data->dev_link,
 416                 *(uint64_t *)&link);
 417 }
 418
 419 /*
 420  * Stop device.
 421  */
 422 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 423 {
 424         struct enic *enic = pmd_priv(eth_dev);
 425
 426         ENICPMD_FUNC_TRACE();
 427         enic_remove(enic);
 428 }
 429
 430 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 431         __rte_unused int wait_to_complete)
 432 {
 433         struct enic *enic = pmd_priv(eth_dev);
 434
 435         ENICPMD_FUNC_TRACE();
 436         return enic_link_update(enic);
 437 }
 438
 439 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 440         struct rte_eth_stats *stats)
 441 {
 442         struct enic *enic = pmd_priv(eth_dev);
 443
 444         ENICPMD_FUNC_TRACE();
 445         enic_dev_stats_get(enic, stats);
 446 }
 447
 448 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 449 {
 450         struct enic *enic = pmd_priv(eth_dev);
 451
 452         ENICPMD_FUNC_TRACE();
 453         enic_dev_stats_clear(enic);
 454 }
 455
 456 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 457         struct rte_eth_dev_info *device_info)
 458 {
 459         struct enic *enic = pmd_priv(eth_dev);
 460
 461         ENICPMD_FUNC_TRACE();
 462         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 463         device_info->max_rx_queues = enic->conf_rq_count / 2;
 464         device_info->max_tx_queues = enic->conf_wq_count;
 465         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 466         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 467         device_info->max_mac_addrs = 1;
 468         device_info->rx_offload_capa =
 469                 DEV_RX_OFFLOAD_VLAN_STRIP |
 470                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 471                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 472                 DEV_RX_OFFLOAD_TCP_CKSUM;
 473         device_info->tx_offload_capa =
 474                 DEV_TX_OFFLOAD_VLAN_INSERT |
 475                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 476                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 477                 DEV_TX_OFFLOAD_TCP_CKSUM;
 478         device_info->default_rxconf = (struct rte_eth_rxconf) {
 479                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 480         };
 481 }
 482
 483 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 484 {
 485         static const uint32_t ptypes[] = {
 486                 RTE_PTYPE_L2_ETHER,
 487                 RTE_PTYPE_L2_ETHER_VLAN,
 488                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 489                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 490                 RTE_PTYPE_L4_TCP,
 491                 RTE_PTYPE_L4_UDP,
 492                 RTE_PTYPE_L4_FRAG,
 493                 RTE_PTYPE_L4_NONFRAG,
 494                 RTE_PTYPE_UNKNOWN
 495         };
 496
 497         if (dev->rx_pkt_burst == enic_recv_pkts)
 498                 return ptypes;
 499         return NULL;
 500 }
 501
 502 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 503 {
 504         struct enic *enic = pmd_priv(eth_dev);
 505
 506         ENICPMD_FUNC_TRACE();
 507         enic->promisc = 1;
 508         enic_add_packet_filter(enic);
 509 }
 510
 511 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 512 {
 513         struct enic *enic = pmd_priv(eth_dev);
 514
 515         ENICPMD_FUNC_TRACE();
 516         enic->promisc = 0;
 517         enic_add_packet_filter(enic);
 518 }
 519
 520 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 521 {
 522         struct enic *enic = pmd_priv(eth_dev);
 523
 524         ENICPMD_FUNC_TRACE();
 525         enic->allmulti = 1;
 526         enic_add_packet_filter(enic);
 527 }
 528
 529 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 530 {
 531         struct enic *enic = pmd_priv(eth_dev);
 532
 533         ENICPMD_FUNC_TRACE();
 534         enic->allmulti = 0;
 535         enic_add_packet_filter(enic);
 536 }
 537
 538 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 539         struct ether_addr *mac_addr,
 540         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 541 {
 542         struct enic *enic = pmd_priv(eth_dev);
 543
 544         ENICPMD_FUNC_TRACE();
 545         enic_set_mac_address(enic, mac_addr->addr_bytes);
 546 }
 547
 548 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 549 {
 550         struct enic *enic = pmd_priv(eth_dev);
 551
 552         ENICPMD_FUNC_TRACE();
 553         enic_del_mac_address(enic);
 554 }
 555
 556 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 557 {
 558         struct enic *enic = pmd_priv(eth_dev);
 559
 560         ENICPMD_FUNC_TRACE();
 561         return enic_set_mtu(enic, mtu);
 562 }
 563
 564 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 565         .dev_configure        = enicpmd_dev_configure,
 566         .dev_start            = enicpmd_dev_start,
 567         .dev_stop             = enicpmd_dev_stop,
 568         .dev_set_link_up      = NULL,
 569         .dev_set_link_down    = NULL,
 570         .dev_close            = enicpmd_dev_close,
 571         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 572         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 573         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 574         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 575         .link_update          = enicpmd_dev_link_update,
 576         .stats_get            = enicpmd_dev_stats_get,
 577         .stats_reset          = enicpmd_dev_stats_reset,
 578         .queue_stats_mapping_set = NULL,
 579         .dev_infos_get        = enicpmd_dev_info_get,
 580         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 581         .mtu_set              = enicpmd_mtu_set,
 582         .vlan_filter_set      = enicpmd_vlan_filter_set,
 583         .vlan_tpid_set        = NULL,
 584         .vlan_offload_set     = enicpmd_vlan_offload_set,
 585         .vlan_strip_queue_set = NULL,
 586         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 587         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 588         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 589         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 590         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 591         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 592         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 593         .rx_descriptor_done   = NULL,
 594         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 595         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 596         .dev_led_on           = NULL,
 597         .dev_led_off          = NULL,
 598         .flow_ctrl_get        = NULL,
 599         .flow_ctrl_set        = NULL,
 600         .priority_flow_ctrl_set = NULL,
 601         .mac_addr_add         = enicpmd_add_mac_addr,
 602         .mac_addr_remove      = enicpmd_remove_mac_addr,
 603         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 604 };
 605
 606 struct enic *enicpmd_list_head = NULL;
 607 /* Initialize the driver
 608  * It returns 0 on success.
 609  */
 610 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 611 {
 612         struct rte_pci_device *pdev;
 613         struct rte_pci_addr *addr;
 614         struct enic *enic = pmd_priv(eth_dev);
 615
 616         ENICPMD_FUNC_TRACE();
 617
 618         enic->port_id = eth_dev->data->port_id;
 619         enic->rte_dev = eth_dev;
 620         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 621         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 622         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 623
 624         pdev = eth_dev->pci_dev;
 625         rte_eth_copy_pci_info(eth_dev, pdev);
 626         enic->pdev = pdev;
 627         addr = &pdev->addr;
 628
 629         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 630                 addr->domain, addr->bus, addr->devid, addr->function);
 631
 632         return enic_probe(enic);
 633 }
 634
 635 static struct eth_driver rte_enic_pmd = {
 636         .pci_drv = {
 637                 .id_table = pci_id_enic_map,
 638                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 639                 .probe = rte_eth_dev_pci_probe,
 640                 .remove = rte_eth_dev_pci_remove,
 641         },
 642         .eth_dev_init = eth_enicpmd_dev_init,
 643         .dev_private_size = sizeof(struct enic),
 644 };
 645
 646 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
 647 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 648 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio");