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_ethdev_pci.h>
  42 #include <rte_string_fns.h>
  43
  44 #include "vnic_intr.h"
  45 #include "vnic_cq.h"
  46 #include "vnic_wq.h"
  47 #include "vnic_rq.h"
  48 #include "vnic_enet.h"
  49 #include "enic.h"
  50
  51 #ifdef RTE_LIBRTE_ENIC_DEBUG
  52 #define ENICPMD_FUNC_TRACE() \
  53         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  54 #else
  55 #define ENICPMD_FUNC_TRACE() (void)0
  56 #endif
  57
  58 /*
  59  * The set of PCI devices this driver supports
  60  */
  61 #define CISCO_PCI_VENDOR_ID 0x1137
  62 static const struct rte_pci_id pci_id_enic_map[] = {
  63         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  64         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  65         {.vendor_id = 0, /* sentinel */},
  66 };
  67
  68 static int
  69 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  70                         enum rte_filter_op filter_op, void *arg)
  71 {
  72         struct enic *enic = pmd_priv(eth_dev);
  73         int ret = 0;
  74
  75         ENICPMD_FUNC_TRACE();
  76         if (filter_op == RTE_ETH_FILTER_NOP)
  77                 return 0;
  78
  79         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  80                 return -EINVAL;
  81
  82         switch (filter_op) {
  83         case RTE_ETH_FILTER_ADD:
  84         case RTE_ETH_FILTER_UPDATE:
  85                 ret = enic_fdir_add_fltr(enic,
  86                         (struct rte_eth_fdir_filter *)arg);
  87                 break;
  88
  89         case RTE_ETH_FILTER_DELETE:
  90                 ret = enic_fdir_del_fltr(enic,
  91                         (struct rte_eth_fdir_filter *)arg);
  92                 break;
  93
  94         case RTE_ETH_FILTER_STATS:
  95                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  96                 break;
  97
  98         case RTE_ETH_FILTER_FLUSH:
  99                 dev_warning(enic, "unsupported operation %u", filter_op);
 100                 ret = -ENOTSUP;
 101                 break;
 102         case RTE_ETH_FILTER_INFO:
 103                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
 104                 break;
 105         default:
 106                 dev_err(enic, "unknown operation %u", filter_op);
 107                 ret = -EINVAL;
 108                 break;
 109         }
 110         return ret;
 111 }
 112
 113 static int
 114 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 115                      enum rte_filter_type filter_type,
 116                      enum rte_filter_op filter_op,
 117                      void *arg)
 118 {
 119         int ret = -EINVAL;
 120
 121         if (RTE_ETH_FILTER_FDIR == filter_type)
 122                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 123         else
 124                 dev_warning(enic, "Filter type (%d) not supported",
 125                         filter_type);
 126
 127         return ret;
 128 }
 129
 130 static void enicpmd_dev_tx_queue_release(void *txq)
 131 {
 132         ENICPMD_FUNC_TRACE();
 133         enic_free_wq(txq);
 134 }
 135
 136 static int enicpmd_dev_setup_intr(struct enic *enic)
 137 {
 138         int ret;
 139         unsigned int index;
 140
 141         ENICPMD_FUNC_TRACE();
 142
 143         /* Are we done with the init of all the queues? */
 144         for (index = 0; index < enic->cq_count; index++) {
 145                 if (!enic->cq[index].ctrl)
 146                         break;
 147         }
 148         if (enic->cq_count != index)
 149                 return 0;
 150         for (index = 0; index < enic->wq_count; index++) {
 151                 if (!enic->wq[index].ctrl)
 152                         break;
 153         }
 154         if (enic->wq_count != index)
 155                 return 0;
 156         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 157         for (index = 0; index < enic->rq_count; index++) {
 158                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 159                         break;
 160         }
 161         if (enic->rq_count != index)
 162                 return 0;
 163
 164         ret = enic_alloc_intr_resources(enic);
 165         if (ret) {
 166                 dev_err(enic, "alloc intr failed\n");
 167                 return ret;
 168         }
 169         enic_init_vnic_resources(enic);
 170
 171         ret = enic_setup_finish(enic);
 172         if (ret)
 173                 dev_err(enic, "setup could not be finished\n");
 174
 175         return ret;
 176 }
 177
 178 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 179         uint16_t queue_idx,
 180         uint16_t nb_desc,
 181         unsigned int socket_id,
 182         __rte_unused const struct rte_eth_txconf *tx_conf)
 183 {
 184         int ret;
 185         struct enic *enic = pmd_priv(eth_dev);
 186
 187         ENICPMD_FUNC_TRACE();
 188         if (queue_idx >= ENIC_WQ_MAX) {
 189                 dev_err(enic,
 190                         "Max number of TX queues exceeded.  Max is %d\n",
 191                         ENIC_WQ_MAX);
 192                 return -EINVAL;
 193         }
 194
 195         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 196
 197         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 198         if (ret) {
 199                 dev_err(enic, "error in allocating wq\n");
 200                 return ret;
 201         }
 202
 203         return enicpmd_dev_setup_intr(enic);
 204 }
 205
 206 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 207         uint16_t queue_idx)
 208 {
 209         struct enic *enic = pmd_priv(eth_dev);
 210
 211         ENICPMD_FUNC_TRACE();
 212
 213         enic_start_wq(enic, queue_idx);
 214
 215         return 0;
 216 }
 217
 218 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 219         uint16_t queue_idx)
 220 {
 221         int ret;
 222         struct enic *enic = pmd_priv(eth_dev);
 223
 224         ENICPMD_FUNC_TRACE();
 225
 226         ret = enic_stop_wq(enic, queue_idx);
 227         if (ret)
 228                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 229
 230         return ret;
 231 }
 232
 233 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 234         uint16_t queue_idx)
 235 {
 236         struct enic *enic = pmd_priv(eth_dev);
 237
 238         ENICPMD_FUNC_TRACE();
 239
 240         enic_start_rq(enic, queue_idx);
 241
 242         return 0;
 243 }
 244
 245 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 246         uint16_t queue_idx)
 247 {
 248         int ret;
 249         struct enic *enic = pmd_priv(eth_dev);
 250
 251         ENICPMD_FUNC_TRACE();
 252
 253         ret = enic_stop_rq(enic, queue_idx);
 254         if (ret)
 255                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 256
 257         return ret;
 258 }
 259
 260 static void enicpmd_dev_rx_queue_release(void *rxq)
 261 {
 262         ENICPMD_FUNC_TRACE();
 263         enic_free_rq(rxq);
 264 }
 265
 266 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 267                                            uint16_t rx_queue_id)
 268 {
 269         struct enic *enic = pmd_priv(dev);
 270         uint32_t queue_count = 0;
 271         struct vnic_cq *cq;
 272         uint32_t cq_tail;
 273         uint16_t cq_idx;
 274         int rq_num;
 275
 276         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 277         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 278         cq_idx = cq->to_clean;
 279
 280         cq_tail = ioread32(&cq->ctrl->cq_tail);
 281
 282         if (cq_tail < cq_idx)
 283                 cq_tail += cq->ring.desc_count;
 284
 285         queue_count = cq_tail - cq_idx;
 286
 287         return queue_count;
 288 }
 289
 290 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 291         uint16_t queue_idx,
 292         uint16_t nb_desc,
 293         unsigned int socket_id,
 294         const struct rte_eth_rxconf *rx_conf,
 295         struct rte_mempool *mp)
 296 {
 297         int ret;
 298         struct enic *enic = pmd_priv(eth_dev);
 299
 300         ENICPMD_FUNC_TRACE();
 301         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 302          * by the application.
 303          */
 304         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 305                 dev_err(enic,
 306                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 307                         ENIC_RQ_MAX);
 308                 return -EINVAL;
 309         }
 310
 311         eth_dev->data->rx_queues[queue_idx] =
 312                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 313
 314         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 315                             rx_conf->rx_free_thresh);
 316         if (ret) {
 317                 dev_err(enic, "error in allocating rq\n");
 318                 return ret;
 319         }
 320
 321         return enicpmd_dev_setup_intr(enic);
 322 }
 323
 324 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 325         uint16_t vlan_id, int on)
 326 {
 327         struct enic *enic = pmd_priv(eth_dev);
 328         int err;
 329
 330         ENICPMD_FUNC_TRACE();
 331         if (on)
 332                 err = enic_add_vlan(enic, vlan_id);
 333         else
 334                 err = enic_del_vlan(enic, vlan_id);
 335         return err;
 336 }
 337
 338 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 339 {
 340         struct enic *enic = pmd_priv(eth_dev);
 341
 342         ENICPMD_FUNC_TRACE();
 343
 344         if (mask & ETH_VLAN_STRIP_MASK) {
 345                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 346                         enic->ig_vlan_strip_en = 1;
 347                 else
 348                         enic->ig_vlan_strip_en = 0;
 349         }
 350         enic_set_rss_nic_cfg(enic);
 351
 352
 353         if (mask & ETH_VLAN_FILTER_MASK) {
 354                 dev_warning(enic,
 355                         "Configuration of VLAN filter is not supported\n");
 356         }
 357
 358         if (mask & ETH_VLAN_EXTEND_MASK) {
 359                 dev_warning(enic,
 360                         "Configuration of extended VLAN is not supported\n");
 361         }
 362 }
 363
 364 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 365 {
 366         int ret;
 367         struct enic *enic = pmd_priv(eth_dev);
 368
 369         ENICPMD_FUNC_TRACE();
 370         ret = enic_set_vnic_res(enic);
 371         if (ret) {
 372                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 373                 return ret;
 374         }
 375
 376         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 377                 eth_dev->data->dev_conf.rxmode.header_split) {
 378                 /* Enable header-data-split */
 379                 enic_set_hdr_split_size(enic,
 380                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 381         }
 382
 383         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 384         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 385         return 0;
 386 }
 387
 388 /* Start the device.
 389  * It returns 0 on success.
 390  */
 391 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 392 {
 393         struct enic *enic = pmd_priv(eth_dev);
 394
 395         ENICPMD_FUNC_TRACE();
 396         return enic_enable(enic);
 397 }
 398
 399 /*
 400  * Stop device: disable rx and tx functions to allow for reconfiguring.
 401  */
 402 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 403 {
 404         struct rte_eth_link link;
 405         struct enic *enic = pmd_priv(eth_dev);
 406
 407         ENICPMD_FUNC_TRACE();
 408         enic_disable(enic);
 409         memset(&link, 0, sizeof(link));
 410         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 411                 *(uint64_t *)&eth_dev->data->dev_link,
 412                 *(uint64_t *)&link);
 413 }
 414
 415 /*
 416  * Stop device.
 417  */
 418 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 419 {
 420         struct enic *enic = pmd_priv(eth_dev);
 421
 422         ENICPMD_FUNC_TRACE();
 423         enic_remove(enic);
 424 }
 425
 426 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 427         __rte_unused int wait_to_complete)
 428 {
 429         struct enic *enic = pmd_priv(eth_dev);
 430
 431         ENICPMD_FUNC_TRACE();
 432         return enic_link_update(enic);
 433 }
 434
 435 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 436         struct rte_eth_stats *stats)
 437 {
 438         struct enic *enic = pmd_priv(eth_dev);
 439
 440         ENICPMD_FUNC_TRACE();
 441         enic_dev_stats_get(enic, stats);
 442 }
 443
 444 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 445 {
 446         struct enic *enic = pmd_priv(eth_dev);
 447
 448         ENICPMD_FUNC_TRACE();
 449         enic_dev_stats_clear(enic);
 450 }
 451
 452 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 453         struct rte_eth_dev_info *device_info)
 454 {
 455         struct enic *enic = pmd_priv(eth_dev);
 456
 457         ENICPMD_FUNC_TRACE();
 458         device_info->pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
 459         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 460         device_info->max_rx_queues = enic->conf_rq_count / 2;
 461         device_info->max_tx_queues = enic->conf_wq_count;
 462         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 463         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 464         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 465         device_info->rx_offload_capa =
 466                 DEV_RX_OFFLOAD_VLAN_STRIP |
 467                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 468                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 469                 DEV_RX_OFFLOAD_TCP_CKSUM;
 470         device_info->tx_offload_capa =
 471                 DEV_TX_OFFLOAD_VLAN_INSERT |
 472                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 473                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 474                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 475                 DEV_TX_OFFLOAD_TCP_TSO;
 476         device_info->default_rxconf = (struct rte_eth_rxconf) {
 477                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 478         };
 479 }
 480
 481 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 482 {
 483         static const uint32_t ptypes[] = {
 484                 RTE_PTYPE_L2_ETHER,
 485                 RTE_PTYPE_L2_ETHER_VLAN,
 486                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 487                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 488                 RTE_PTYPE_L4_TCP,
 489                 RTE_PTYPE_L4_UDP,
 490                 RTE_PTYPE_L4_FRAG,
 491                 RTE_PTYPE_L4_NONFRAG,
 492                 RTE_PTYPE_UNKNOWN
 493         };
 494
 495         if (dev->rx_pkt_burst == enic_recv_pkts)
 496                 return ptypes;
 497         return NULL;
 498 }
 499
 500 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 501 {
 502         struct enic *enic = pmd_priv(eth_dev);
 503
 504         ENICPMD_FUNC_TRACE();
 505         enic->promisc = 1;
 506         enic_add_packet_filter(enic);
 507 }
 508
 509 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 510 {
 511         struct enic *enic = pmd_priv(eth_dev);
 512
 513         ENICPMD_FUNC_TRACE();
 514         enic->promisc = 0;
 515         enic_add_packet_filter(enic);
 516 }
 517
 518 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 519 {
 520         struct enic *enic = pmd_priv(eth_dev);
 521
 522         ENICPMD_FUNC_TRACE();
 523         enic->allmulti = 1;
 524         enic_add_packet_filter(enic);
 525 }
 526
 527 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 528 {
 529         struct enic *enic = pmd_priv(eth_dev);
 530
 531         ENICPMD_FUNC_TRACE();
 532         enic->allmulti = 0;
 533         enic_add_packet_filter(enic);
 534 }
 535
 536 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 537         struct ether_addr *mac_addr,
 538         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 539 {
 540         struct enic *enic = pmd_priv(eth_dev);
 541
 542         ENICPMD_FUNC_TRACE();
 543         return enic_set_mac_address(enic, mac_addr->addr_bytes);
 544 }
 545
 546 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 547 {
 548         struct enic *enic = pmd_priv(eth_dev);
 549
 550         ENICPMD_FUNC_TRACE();
 551         enic_del_mac_address(enic, index);
 552 }
 553
 554 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 555 {
 556         struct enic *enic = pmd_priv(eth_dev);
 557
 558         ENICPMD_FUNC_TRACE();
 559         return enic_set_mtu(enic, mtu);
 560 }
 561
 562 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 563         .dev_configure        = enicpmd_dev_configure,
 564         .dev_start            = enicpmd_dev_start,
 565         .dev_stop             = enicpmd_dev_stop,
 566         .dev_set_link_up      = NULL,
 567         .dev_set_link_down    = NULL,
 568         .dev_close            = enicpmd_dev_close,
 569         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 570         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 571         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 572         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 573         .link_update          = enicpmd_dev_link_update,
 574         .stats_get            = enicpmd_dev_stats_get,
 575         .stats_reset          = enicpmd_dev_stats_reset,
 576         .queue_stats_mapping_set = NULL,
 577         .dev_infos_get        = enicpmd_dev_info_get,
 578         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 579         .mtu_set              = enicpmd_mtu_set,
 580         .vlan_filter_set      = enicpmd_vlan_filter_set,
 581         .vlan_tpid_set        = NULL,
 582         .vlan_offload_set     = enicpmd_vlan_offload_set,
 583         .vlan_strip_queue_set = NULL,
 584         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 585         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 586         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 587         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 588         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 589         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 590         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 591         .rx_descriptor_done   = NULL,
 592         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 593         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 594         .dev_led_on           = NULL,
 595         .dev_led_off          = NULL,
 596         .flow_ctrl_get        = NULL,
 597         .flow_ctrl_set        = NULL,
 598         .priority_flow_ctrl_set = NULL,
 599         .mac_addr_add         = enicpmd_add_mac_addr,
 600         .mac_addr_remove      = enicpmd_remove_mac_addr,
 601         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 602 };
 603
 604 struct enic *enicpmd_list_head = NULL;
 605 /* Initialize the driver
 606  * It returns 0 on success.
 607  */
 608 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 609 {
 610         struct rte_pci_device *pdev;
 611         struct rte_pci_addr *addr;
 612         struct enic *enic = pmd_priv(eth_dev);
 613
 614         ENICPMD_FUNC_TRACE();
 615
 616         enic->port_id = eth_dev->data->port_id;
 617         enic->rte_dev = eth_dev;
 618         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 619         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 620         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 621
 622         pdev = RTE_DEV_TO_PCI(eth_dev->device);
 623         rte_eth_copy_pci_info(eth_dev, pdev);
 624         enic->pdev = pdev;
 625         addr = &pdev->addr;
 626
 627         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 628                 addr->domain, addr->bus, addr->devid, addr->function);
 629
 630         return enic_probe(enic);
 631 }
 632
 633 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 634         struct rte_pci_device *pci_dev)
 635 {
 636         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
 637                 eth_enicpmd_dev_init);
 638 }
 639
 640 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
 641 {
 642         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 643 }
 644
 645 static struct rte_pci_driver rte_enic_pmd = {
 646         .id_table = pci_id_enic_map,
 647         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 648         .probe = eth_enic_pci_probe,
 649         .remove = eth_enic_pci_remove,
 650 };
 651
 652 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
 653 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 654 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio");