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_bus_pci.h>
  41 #include <rte_ethdev.h>
  42 #include <rte_ethdev_pci.h>
  43 #include <rte_string_fns.h>
  44
  45 #include "vnic_intr.h"
  46 #include "vnic_cq.h"
  47 #include "vnic_wq.h"
  48 #include "vnic_rq.h"
  49 #include "vnic_enet.h"
  50 #include "enic.h"
  51
  52 #ifdef RTE_LIBRTE_ENIC_DEBUG
  53 #define ENICPMD_FUNC_TRACE() \
  54         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  55 #else
  56 #define ENICPMD_FUNC_TRACE() (void)0
  57 #endif
  58
  59 /*
  60  * The set of PCI devices this driver supports
  61  */
  62 #define CISCO_PCI_VENDOR_ID 0x1137
  63 static const struct rte_pci_id pci_id_enic_map[] = {
  64         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  65         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  66         {.vendor_id = 0, /* sentinel */},
  67 };
  68
  69 static int
  70 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  71                         enum rte_filter_op filter_op, void *arg)
  72 {
  73         struct enic *enic = pmd_priv(eth_dev);
  74         int ret = 0;
  75
  76         ENICPMD_FUNC_TRACE();
  77         if (filter_op == RTE_ETH_FILTER_NOP)
  78                 return 0;
  79
  80         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  81                 return -EINVAL;
  82
  83         switch (filter_op) {
  84         case RTE_ETH_FILTER_ADD:
  85         case RTE_ETH_FILTER_UPDATE:
  86                 ret = enic_fdir_add_fltr(enic,
  87                         (struct rte_eth_fdir_filter *)arg);
  88                 break;
  89
  90         case RTE_ETH_FILTER_DELETE:
  91                 ret = enic_fdir_del_fltr(enic,
  92                         (struct rte_eth_fdir_filter *)arg);
  93                 break;
  94
  95         case RTE_ETH_FILTER_STATS:
  96                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  97                 break;
  98
  99         case RTE_ETH_FILTER_FLUSH:
 100                 dev_warning(enic, "unsupported operation %u", filter_op);
 101                 ret = -ENOTSUP;
 102                 break;
 103         case RTE_ETH_FILTER_INFO:
 104                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
 105                 break;
 106         default:
 107                 dev_err(enic, "unknown operation %u", filter_op);
 108                 ret = -EINVAL;
 109                 break;
 110         }
 111         return ret;
 112 }
 113
 114 static int
 115 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 116                      enum rte_filter_type filter_type,
 117                      enum rte_filter_op filter_op,
 118                      void *arg)
 119 {
 120         int ret = 0;
 121
 122         ENICPMD_FUNC_TRACE();
 123
 124         switch (filter_type) {
 125         case RTE_ETH_FILTER_GENERIC:
 126                 if (filter_op != RTE_ETH_FILTER_GET)
 127                         return -EINVAL;
 128                 *(const void **)arg = &enic_flow_ops;
 129                 break;
 130         case RTE_ETH_FILTER_FDIR:
 131                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 132                 break;
 133         default:
 134                 dev_warning(enic, "Filter type (%d) not supported",
 135                         filter_type);
 136                 ret = -EINVAL;
 137                 break;
 138         }
 139
 140         return ret;
 141 }
 142
 143 static void enicpmd_dev_tx_queue_release(void *txq)
 144 {
 145         ENICPMD_FUNC_TRACE();
 146
 147         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 148                 return;
 149
 150         enic_free_wq(txq);
 151 }
 152
 153 static int enicpmd_dev_setup_intr(struct enic *enic)
 154 {
 155         int ret;
 156         unsigned int index;
 157
 158         ENICPMD_FUNC_TRACE();
 159
 160         /* Are we done with the init of all the queues? */
 161         for (index = 0; index < enic->cq_count; index++) {
 162                 if (!enic->cq[index].ctrl)
 163                         break;
 164         }
 165         if (enic->cq_count != index)
 166                 return 0;
 167         for (index = 0; index < enic->wq_count; index++) {
 168                 if (!enic->wq[index].ctrl)
 169                         break;
 170         }
 171         if (enic->wq_count != index)
 172                 return 0;
 173         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 174         for (index = 0; index < enic->rq_count; index++) {
 175                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 176                         break;
 177         }
 178         if (enic->rq_count != index)
 179                 return 0;
 180
 181         ret = enic_alloc_intr_resources(enic);
 182         if (ret) {
 183                 dev_err(enic, "alloc intr failed\n");
 184                 return ret;
 185         }
 186         enic_init_vnic_resources(enic);
 187
 188         ret = enic_setup_finish(enic);
 189         if (ret)
 190                 dev_err(enic, "setup could not be finished\n");
 191
 192         return ret;
 193 }
 194
 195 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 196         uint16_t queue_idx,
 197         uint16_t nb_desc,
 198         unsigned int socket_id,
 199         __rte_unused const struct rte_eth_txconf *tx_conf)
 200 {
 201         int ret;
 202         struct enic *enic = pmd_priv(eth_dev);
 203
 204         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 205                 return -E_RTE_SECONDARY;
 206
 207         ENICPMD_FUNC_TRACE();
 208         if (queue_idx >= ENIC_WQ_MAX) {
 209                 dev_err(enic,
 210                         "Max number of TX queues exceeded.  Max is %d\n",
 211                         ENIC_WQ_MAX);
 212                 return -EINVAL;
 213         }
 214
 215         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 216
 217         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 218         if (ret) {
 219                 dev_err(enic, "error in allocating wq\n");
 220                 return ret;
 221         }
 222
 223         return enicpmd_dev_setup_intr(enic);
 224 }
 225
 226 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 227         uint16_t queue_idx)
 228 {
 229         struct enic *enic = pmd_priv(eth_dev);
 230
 231         ENICPMD_FUNC_TRACE();
 232
 233         enic_start_wq(enic, queue_idx);
 234
 235         return 0;
 236 }
 237
 238 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 239         uint16_t queue_idx)
 240 {
 241         int ret;
 242         struct enic *enic = pmd_priv(eth_dev);
 243
 244         ENICPMD_FUNC_TRACE();
 245
 246         ret = enic_stop_wq(enic, queue_idx);
 247         if (ret)
 248                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 249
 250         return ret;
 251 }
 252
 253 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 254         uint16_t queue_idx)
 255 {
 256         struct enic *enic = pmd_priv(eth_dev);
 257
 258         ENICPMD_FUNC_TRACE();
 259
 260         enic_start_rq(enic, queue_idx);
 261
 262         return 0;
 263 }
 264
 265 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 266         uint16_t queue_idx)
 267 {
 268         int ret;
 269         struct enic *enic = pmd_priv(eth_dev);
 270
 271         ENICPMD_FUNC_TRACE();
 272
 273         ret = enic_stop_rq(enic, queue_idx);
 274         if (ret)
 275                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 276
 277         return ret;
 278 }
 279
 280 static void enicpmd_dev_rx_queue_release(void *rxq)
 281 {
 282         ENICPMD_FUNC_TRACE();
 283
 284         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 285                 return;
 286
 287         enic_free_rq(rxq);
 288 }
 289
 290 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 291                                            uint16_t rx_queue_id)
 292 {
 293         struct enic *enic = pmd_priv(dev);
 294         uint32_t queue_count = 0;
 295         struct vnic_cq *cq;
 296         uint32_t cq_tail;
 297         uint16_t cq_idx;
 298         int rq_num;
 299
 300         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 301         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 302         cq_idx = cq->to_clean;
 303
 304         cq_tail = ioread32(&cq->ctrl->cq_tail);
 305
 306         if (cq_tail < cq_idx)
 307                 cq_tail += cq->ring.desc_count;
 308
 309         queue_count = cq_tail - cq_idx;
 310
 311         return queue_count;
 312 }
 313
 314 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 315         uint16_t queue_idx,
 316         uint16_t nb_desc,
 317         unsigned int socket_id,
 318         const struct rte_eth_rxconf *rx_conf,
 319         struct rte_mempool *mp)
 320 {
 321         int ret;
 322         struct enic *enic = pmd_priv(eth_dev);
 323
 324         ENICPMD_FUNC_TRACE();
 325
 326         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 327                 return -E_RTE_SECONDARY;
 328
 329         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 330          * by the application.
 331          */
 332         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 333                 dev_err(enic,
 334                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 335                         ENIC_RQ_MAX);
 336                 return -EINVAL;
 337         }
 338
 339         eth_dev->data->rx_queues[queue_idx] =
 340                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 341
 342         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 343                             rx_conf->rx_free_thresh);
 344         if (ret) {
 345                 dev_err(enic, "error in allocating rq\n");
 346                 return ret;
 347         }
 348
 349         return enicpmd_dev_setup_intr(enic);
 350 }
 351
 352 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 353         uint16_t vlan_id, int on)
 354 {
 355         struct enic *enic = pmd_priv(eth_dev);
 356         int err;
 357
 358         ENICPMD_FUNC_TRACE();
 359         if (on)
 360                 err = enic_add_vlan(enic, vlan_id);
 361         else
 362                 err = enic_del_vlan(enic, vlan_id);
 363         return err;
 364 }
 365
 366 static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 367 {
 368         struct enic *enic = pmd_priv(eth_dev);
 369
 370         ENICPMD_FUNC_TRACE();
 371
 372         if (mask & ETH_VLAN_STRIP_MASK) {
 373                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 374                         enic->ig_vlan_strip_en = 1;
 375                 else
 376                         enic->ig_vlan_strip_en = 0;
 377         }
 378         enic_set_rss_nic_cfg(enic);
 379
 380
 381         if (mask & ETH_VLAN_FILTER_MASK) {
 382                 dev_warning(enic,
 383                         "Configuration of VLAN filter is not supported\n");
 384         }
 385
 386         if (mask & ETH_VLAN_EXTEND_MASK) {
 387                 dev_warning(enic,
 388                         "Configuration of extended VLAN is not supported\n");
 389         }
 390
 391         return 0;
 392 }
 393
 394 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 395 {
 396         int ret;
 397         struct enic *enic = pmd_priv(eth_dev);
 398
 399         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 400                 return -E_RTE_SECONDARY;
 401
 402         ENICPMD_FUNC_TRACE();
 403         ret = enic_set_vnic_res(enic);
 404         if (ret) {
 405                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 406                 return ret;
 407         }
 408
 409         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 410                 eth_dev->data->dev_conf.rxmode.header_split) {
 411                 /* Enable header-data-split */
 412                 enic_set_hdr_split_size(enic,
 413                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 414         }
 415
 416         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 417         ret = enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 418
 419         return ret;
 420 }
 421
 422 /* Start the device.
 423  * It returns 0 on success.
 424  */
 425 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 426 {
 427         struct enic *enic = pmd_priv(eth_dev);
 428
 429         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 430                 return -E_RTE_SECONDARY;
 431
 432         ENICPMD_FUNC_TRACE();
 433         return enic_enable(enic);
 434 }
 435
 436 /*
 437  * Stop device: disable rx and tx functions to allow for reconfiguring.
 438  */
 439 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 440 {
 441         struct rte_eth_link link;
 442         struct enic *enic = pmd_priv(eth_dev);
 443
 444         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 445                 return;
 446
 447         ENICPMD_FUNC_TRACE();
 448         enic_disable(enic);
 449         memset(&link, 0, sizeof(link));
 450         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 451                 *(uint64_t *)&eth_dev->data->dev_link,
 452                 *(uint64_t *)&link);
 453 }
 454
 455 /*
 456  * Stop device.
 457  */
 458 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 459 {
 460         struct enic *enic = pmd_priv(eth_dev);
 461
 462         ENICPMD_FUNC_TRACE();
 463         enic_remove(enic);
 464 }
 465
 466 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 467         __rte_unused int wait_to_complete)
 468 {
 469         struct enic *enic = pmd_priv(eth_dev);
 470
 471         ENICPMD_FUNC_TRACE();
 472         return enic_link_update(enic);
 473 }
 474
 475 static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 476         struct rte_eth_stats *stats)
 477 {
 478         struct enic *enic = pmd_priv(eth_dev);
 479
 480         ENICPMD_FUNC_TRACE();
 481         return enic_dev_stats_get(enic, stats);
 482 }
 483
 484 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 485 {
 486         struct enic *enic = pmd_priv(eth_dev);
 487
 488         ENICPMD_FUNC_TRACE();
 489         enic_dev_stats_clear(enic);
 490 }
 491
 492 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 493         struct rte_eth_dev_info *device_info)
 494 {
 495         struct enic *enic = pmd_priv(eth_dev);
 496
 497         ENICPMD_FUNC_TRACE();
 498         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 499         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 500         device_info->max_rx_queues = enic->conf_rq_count / 2;
 501         device_info->max_tx_queues = enic->conf_wq_count;
 502         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 503         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 504         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 505         device_info->rx_offload_capa =
 506                 DEV_RX_OFFLOAD_VLAN_STRIP |
 507                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 508                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 509                 DEV_RX_OFFLOAD_TCP_CKSUM;
 510         device_info->tx_offload_capa =
 511                 DEV_TX_OFFLOAD_VLAN_INSERT |
 512                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 513                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 514                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 515                 DEV_TX_OFFLOAD_TCP_TSO;
 516         device_info->default_rxconf = (struct rte_eth_rxconf) {
 517                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 518         };
 519 }
 520
 521 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 522 {
 523         static const uint32_t ptypes[] = {
 524                 RTE_PTYPE_L2_ETHER,
 525                 RTE_PTYPE_L2_ETHER_VLAN,
 526                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 527                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 528                 RTE_PTYPE_L4_TCP,
 529                 RTE_PTYPE_L4_UDP,
 530                 RTE_PTYPE_L4_FRAG,
 531                 RTE_PTYPE_L4_NONFRAG,
 532                 RTE_PTYPE_UNKNOWN
 533         };
 534
 535         if (dev->rx_pkt_burst == enic_recv_pkts)
 536                 return ptypes;
 537         return NULL;
 538 }
 539
 540 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 541 {
 542         struct enic *enic = pmd_priv(eth_dev);
 543
 544         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 545                 return;
 546
 547         ENICPMD_FUNC_TRACE();
 548
 549         enic->promisc = 1;
 550         enic_add_packet_filter(enic);
 551 }
 552
 553 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 554 {
 555         struct enic *enic = pmd_priv(eth_dev);
 556
 557         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 558                 return;
 559
 560         ENICPMD_FUNC_TRACE();
 561         enic->promisc = 0;
 562         enic_add_packet_filter(enic);
 563 }
 564
 565 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 566 {
 567         struct enic *enic = pmd_priv(eth_dev);
 568
 569         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 570                 return;
 571
 572         ENICPMD_FUNC_TRACE();
 573         enic->allmulti = 1;
 574         enic_add_packet_filter(enic);
 575 }
 576
 577 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 578 {
 579         struct enic *enic = pmd_priv(eth_dev);
 580
 581         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 582                 return;
 583
 584         ENICPMD_FUNC_TRACE();
 585         enic->allmulti = 0;
 586         enic_add_packet_filter(enic);
 587 }
 588
 589 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 590         struct ether_addr *mac_addr,
 591         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 592 {
 593         struct enic *enic = pmd_priv(eth_dev);
 594
 595         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 596                 return -E_RTE_SECONDARY;
 597
 598         ENICPMD_FUNC_TRACE();
 599         return enic_set_mac_address(enic, mac_addr->addr_bytes);
 600 }
 601
 602 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 603 {
 604         struct enic *enic = pmd_priv(eth_dev);
 605
 606         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 607                 return;
 608
 609         ENICPMD_FUNC_TRACE();
 610         enic_del_mac_address(enic, index);
 611 }
 612
 613 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 614 {
 615         struct enic *enic = pmd_priv(eth_dev);
 616
 617         ENICPMD_FUNC_TRACE();
 618         return enic_set_mtu(enic, mtu);
 619 }
 620
 621 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 622         .dev_configure        = enicpmd_dev_configure,
 623         .dev_start            = enicpmd_dev_start,
 624         .dev_stop             = enicpmd_dev_stop,
 625         .dev_set_link_up      = NULL,
 626         .dev_set_link_down    = NULL,
 627         .dev_close            = enicpmd_dev_close,
 628         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 629         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 630         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 631         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 632         .link_update          = enicpmd_dev_link_update,
 633         .stats_get            = enicpmd_dev_stats_get,
 634         .stats_reset          = enicpmd_dev_stats_reset,
 635         .queue_stats_mapping_set = NULL,
 636         .dev_infos_get        = enicpmd_dev_info_get,
 637         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 638         .mtu_set              = enicpmd_mtu_set,
 639         .vlan_filter_set      = enicpmd_vlan_filter_set,
 640         .vlan_tpid_set        = NULL,
 641         .vlan_offload_set     = enicpmd_vlan_offload_set,
 642         .vlan_strip_queue_set = NULL,
 643         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 644         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 645         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 646         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 647         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 648         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 649         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 650         .rx_descriptor_done   = NULL,
 651         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 652         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 653         .dev_led_on           = NULL,
 654         .dev_led_off          = NULL,
 655         .flow_ctrl_get        = NULL,
 656         .flow_ctrl_set        = NULL,
 657         .priority_flow_ctrl_set = NULL,
 658         .mac_addr_add         = enicpmd_add_mac_addr,
 659         .mac_addr_remove      = enicpmd_remove_mac_addr,
 660         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 661 };
 662
 663 struct enic *enicpmd_list_head = NULL;
 664 /* Initialize the driver
 665  * It returns 0 on success.
 666  */
 667 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 668 {
 669         struct rte_pci_device *pdev;
 670         struct rte_pci_addr *addr;
 671         struct enic *enic = pmd_priv(eth_dev);
 672
 673         ENICPMD_FUNC_TRACE();
 674
 675         enic->port_id = eth_dev->data->port_id;
 676         enic->rte_dev = eth_dev;
 677         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 678         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 679         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 680
 681         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
 682         rte_eth_copy_pci_info(eth_dev, pdev);
 683         enic->pdev = pdev;
 684         addr = &pdev->addr;
 685
 686         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 687                 addr->domain, addr->bus, addr->devid, addr->function);
 688
 689         return enic_probe(enic);
 690 }
 691
 692 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 693         struct rte_pci_device *pci_dev)
 694 {
 695         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
 696                 eth_enicpmd_dev_init);
 697 }
 698
 699 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
 700 {
 701         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 702 }
 703
 704 static struct rte_pci_driver rte_enic_pmd = {
 705         .id_table = pci_id_enic_map,
 706         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 707         .probe = eth_enic_pci_probe,
 708         .remove = eth_enic_pci_remove,
 709 };
 710
 711 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
 712 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 713 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");