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         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 276         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 277         cq_idx = cq->to_clean;
 278
 279         cq_tail = ioread32(&cq->ctrl->cq_tail);
 280
 281         if (cq_tail < cq_idx)
 282                 cq_tail += cq->ring.desc_count;
 283
 284         queue_count = cq_tail - cq_idx;
 285
 286         return queue_count;
 287 }
 288
 289 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 290         uint16_t queue_idx,
 291         uint16_t nb_desc,
 292         unsigned int socket_id,
 293         const struct rte_eth_rxconf *rx_conf,
 294         struct rte_mempool *mp)
 295 {
 296         int ret;
 297         struct enic *enic = pmd_priv(eth_dev);
 298
 299         ENICPMD_FUNC_TRACE();
 300         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 301          * by the application.
 302          */
 303         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 304                 dev_err(enic,
 305                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 306                         ENIC_RQ_MAX);
 307                 return -EINVAL;
 308         }
 309
 310         eth_dev->data->rx_queues[queue_idx] =
 311                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 312
 313         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 314                             rx_conf->rx_free_thresh);
 315         if (ret) {
 316                 dev_err(enic, "error in allocating rq\n");
 317                 return ret;
 318         }
 319
 320         return enicpmd_dev_setup_intr(enic);
 321 }
 322
 323 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 324         uint16_t vlan_id, int on)
 325 {
 326         struct enic *enic = pmd_priv(eth_dev);
 327         int err;
 328
 329         ENICPMD_FUNC_TRACE();
 330         if (on)
 331                 err = enic_add_vlan(enic, vlan_id);
 332         else
 333                 err = enic_del_vlan(enic, vlan_id);
 334         return err;
 335 }
 336
 337 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 338 {
 339         struct enic *enic = pmd_priv(eth_dev);
 340
 341         ENICPMD_FUNC_TRACE();
 342
 343         if (mask & ETH_VLAN_STRIP_MASK) {
 344                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 345                         enic->ig_vlan_strip_en = 1;
 346                 else
 347                         enic->ig_vlan_strip_en = 0;
 348         }
 349         enic_set_rss_nic_cfg(enic);
 350
 351
 352         if (mask & ETH_VLAN_FILTER_MASK) {
 353                 dev_warning(enic,
 354                         "Configuration of VLAN filter is not supported\n");
 355         }
 356
 357         if (mask & ETH_VLAN_EXTEND_MASK) {
 358                 dev_warning(enic,
 359                         "Configuration of extended VLAN is not supported\n");
 360         }
 361 }
 362
 363 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 364 {
 365         int ret;
 366         struct enic *enic = pmd_priv(eth_dev);
 367
 368         ENICPMD_FUNC_TRACE();
 369         ret = enic_set_vnic_res(enic);
 370         if (ret) {
 371                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 372                 return ret;
 373         }
 374
 375         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 376                 eth_dev->data->dev_conf.rxmode.header_split) {
 377                 /* Enable header-data-split */
 378                 enic_set_hdr_split_size(enic,
 379                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 380         }
 381
 382         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 383         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 384         return 0;
 385 }
 386
 387 /* Start the device.
 388  * It returns 0 on success.
 389  */
 390 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 391 {
 392         struct enic *enic = pmd_priv(eth_dev);
 393
 394         ENICPMD_FUNC_TRACE();
 395         return enic_enable(enic);
 396 }
 397
 398 /*
 399  * Stop device: disable rx and tx functions to allow for reconfiguring.
 400  */
 401 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 402 {
 403         struct rte_eth_link link;
 404         struct enic *enic = pmd_priv(eth_dev);
 405
 406         ENICPMD_FUNC_TRACE();
 407         enic_disable(enic);
 408         memset(&link, 0, sizeof(link));
 409         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 410                 *(uint64_t *)&eth_dev->data->dev_link,
 411                 *(uint64_t *)&link);
 412 }
 413
 414 /*
 415  * Stop device.
 416  */
 417 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 418 {
 419         struct enic *enic = pmd_priv(eth_dev);
 420
 421         ENICPMD_FUNC_TRACE();
 422         enic_remove(enic);
 423 }
 424
 425 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 426         __rte_unused int wait_to_complete)
 427 {
 428         struct enic *enic = pmd_priv(eth_dev);
 429
 430         ENICPMD_FUNC_TRACE();
 431         return enic_link_update(enic);
 432 }
 433
 434 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 435         struct rte_eth_stats *stats)
 436 {
 437         struct enic *enic = pmd_priv(eth_dev);
 438
 439         ENICPMD_FUNC_TRACE();
 440         enic_dev_stats_get(enic, stats);
 441 }
 442
 443 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 444 {
 445         struct enic *enic = pmd_priv(eth_dev);
 446
 447         ENICPMD_FUNC_TRACE();
 448         enic_dev_stats_clear(enic);
 449 }
 450
 451 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 452         struct rte_eth_dev_info *device_info)
 453 {
 454         struct enic *enic = pmd_priv(eth_dev);
 455
 456         ENICPMD_FUNC_TRACE();
 457         device_info->pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
 458         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 459         device_info->max_rx_queues = enic->conf_rq_count / 2;
 460         device_info->max_tx_queues = enic->conf_wq_count;
 461         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 462         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 463         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 464         device_info->rx_offload_capa =
 465                 DEV_RX_OFFLOAD_VLAN_STRIP |
 466                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 467                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 468                 DEV_RX_OFFLOAD_TCP_CKSUM;
 469         device_info->tx_offload_capa =
 470                 DEV_TX_OFFLOAD_VLAN_INSERT |
 471                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 472                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 473                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 474                 DEV_TX_OFFLOAD_TCP_TSO;
 475         device_info->default_rxconf = (struct rte_eth_rxconf) {
 476                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 477         };
 478 }
 479
 480 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 481 {
 482         static const uint32_t ptypes[] = {
 483                 RTE_PTYPE_L2_ETHER,
 484                 RTE_PTYPE_L2_ETHER_VLAN,
 485                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 486                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 487                 RTE_PTYPE_L4_TCP,
 488                 RTE_PTYPE_L4_UDP,
 489                 RTE_PTYPE_L4_FRAG,
 490                 RTE_PTYPE_L4_NONFRAG,
 491                 RTE_PTYPE_UNKNOWN
 492         };
 493
 494         if (dev->rx_pkt_burst == enic_recv_pkts)
 495                 return ptypes;
 496         return NULL;
 497 }
 498
 499 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 500 {
 501         struct enic *enic = pmd_priv(eth_dev);
 502
 503         ENICPMD_FUNC_TRACE();
 504         enic->promisc = 1;
 505         enic_add_packet_filter(enic);
 506 }
 507
 508 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 509 {
 510         struct enic *enic = pmd_priv(eth_dev);
 511
 512         ENICPMD_FUNC_TRACE();
 513         enic->promisc = 0;
 514         enic_add_packet_filter(enic);
 515 }
 516
 517 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 518 {
 519         struct enic *enic = pmd_priv(eth_dev);
 520
 521         ENICPMD_FUNC_TRACE();
 522         enic->allmulti = 1;
 523         enic_add_packet_filter(enic);
 524 }
 525
 526 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 527 {
 528         struct enic *enic = pmd_priv(eth_dev);
 529
 530         ENICPMD_FUNC_TRACE();
 531         enic->allmulti = 0;
 532         enic_add_packet_filter(enic);
 533 }
 534
 535 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 536         struct ether_addr *mac_addr,
 537         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 538 {
 539         struct enic *enic = pmd_priv(eth_dev);
 540
 541         ENICPMD_FUNC_TRACE();
 542         enic_set_mac_address(enic, mac_addr->addr_bytes);
 543 }
 544
 545 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 546 {
 547         struct enic *enic = pmd_priv(eth_dev);
 548
 549         ENICPMD_FUNC_TRACE();
 550         enic_del_mac_address(enic, index);
 551 }
 552
 553 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 554 {
 555         struct enic *enic = pmd_priv(eth_dev);
 556
 557         ENICPMD_FUNC_TRACE();
 558         return enic_set_mtu(enic, mtu);
 559 }
 560
 561 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 562         .dev_configure        = enicpmd_dev_configure,
 563         .dev_start            = enicpmd_dev_start,
 564         .dev_stop             = enicpmd_dev_stop,
 565         .dev_set_link_up      = NULL,
 566         .dev_set_link_down    = NULL,
 567         .dev_close            = enicpmd_dev_close,
 568         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 569         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 570         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 571         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 572         .link_update          = enicpmd_dev_link_update,
 573         .stats_get            = enicpmd_dev_stats_get,
 574         .stats_reset          = enicpmd_dev_stats_reset,
 575         .queue_stats_mapping_set = NULL,
 576         .dev_infos_get        = enicpmd_dev_info_get,
 577         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 578         .mtu_set              = enicpmd_mtu_set,
 579         .vlan_filter_set      = enicpmd_vlan_filter_set,
 580         .vlan_tpid_set        = NULL,
 581         .vlan_offload_set     = enicpmd_vlan_offload_set,
 582         .vlan_strip_queue_set = NULL,
 583         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 584         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 585         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 586         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 587         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 588         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 589         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 590         .rx_descriptor_done   = NULL,
 591         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 592         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 593         .dev_led_on           = NULL,
 594         .dev_led_off          = NULL,
 595         .flow_ctrl_get        = NULL,
 596         .flow_ctrl_set        = NULL,
 597         .priority_flow_ctrl_set = NULL,
 598         .mac_addr_add         = enicpmd_add_mac_addr,
 599         .mac_addr_remove      = enicpmd_remove_mac_addr,
 600         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 601 };
 602
 603 struct enic *enicpmd_list_head = NULL;
 604 /* Initialize the driver
 605  * It returns 0 on success.
 606  */
 607 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 608 {
 609         struct rte_pci_device *pdev;
 610         struct rte_pci_addr *addr;
 611         struct enic *enic = pmd_priv(eth_dev);
 612
 613         ENICPMD_FUNC_TRACE();
 614
 615         enic->port_id = eth_dev->data->port_id;
 616         enic->rte_dev = eth_dev;
 617         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 618         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 619         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 620
 621         pdev = RTE_DEV_TO_PCI(eth_dev->device);
 622         rte_eth_copy_pci_info(eth_dev, pdev);
 623         enic->pdev = pdev;
 624         addr = &pdev->addr;
 625
 626         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 627                 addr->domain, addr->bus, addr->devid, addr->function);
 628
 629         return enic_probe(enic);
 630 }
 631
 632 static struct eth_driver rte_enic_pmd = {
 633         .pci_drv = {
 634                 .id_table = pci_id_enic_map,
 635                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 636                 .probe = rte_eth_dev_pci_probe,
 637                 .remove = rte_eth_dev_pci_remove,
 638         },
 639         .eth_dev_init = eth_enicpmd_dev_init,
 640         .dev_private_size = sizeof(struct enic),
 641 };
 642
 643 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
 644 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 645 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio");