drivers/net/enic/enic_ethdev.c

   1 /*
   2  * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  *
   5  * Copyright (c) 2014, Cisco Systems, Inc.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  * notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  * notice, this list of conditions and the following disclaimer in
  17  * the documentation and/or other materials provided with the
  18  * distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 #include <stdio.h>
  36 #include <stdint.h>
  37
  38 #include <rte_dev.h>
  39 #include <rte_pci.h>
  40 #include <rte_ethdev.h>
  41 #include <rte_string_fns.h>
  42
  43 #include "vnic_intr.h"
  44 #include "vnic_cq.h"
  45 #include "vnic_wq.h"
  46 #include "vnic_rq.h"
  47 #include "vnic_enet.h"
  48 #include "enic.h"
  49
  50 #ifdef RTE_LIBRTE_ENIC_DEBUG
  51 #define ENICPMD_FUNC_TRACE() \
  52         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  53 #else
  54 #define ENICPMD_FUNC_TRACE() (void)0
  55 #endif
  56
  57 /*
  58  * The set of PCI devices this driver supports
  59  */
  60 #define CISCO_PCI_VENDOR_ID 0x1137
  61 static const struct rte_pci_id pci_id_enic_map[] = {
  62         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  63         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  64         {.vendor_id = 0, /* sentinel */},
  65 };
  66
  67 static int
  68 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  69                         enum rte_filter_op filter_op, void *arg)
  70 {
  71         struct enic *enic = pmd_priv(eth_dev);
  72         int ret = 0;
  73
  74         ENICPMD_FUNC_TRACE();
  75         if (filter_op == RTE_ETH_FILTER_NOP)
  76                 return 0;
  77
  78         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  79                 return -EINVAL;
  80
  81         switch (filter_op) {
  82         case RTE_ETH_FILTER_ADD:
  83         case RTE_ETH_FILTER_UPDATE:
  84                 ret = enic_fdir_add_fltr(enic,
  85                         (struct rte_eth_fdir_filter *)arg);
  86                 break;
  87
  88         case RTE_ETH_FILTER_DELETE:
  89                 ret = enic_fdir_del_fltr(enic,
  90                         (struct rte_eth_fdir_filter *)arg);
  91                 break;
  92
  93         case RTE_ETH_FILTER_STATS:
  94                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  95                 break;
  96
  97         case RTE_ETH_FILTER_FLUSH:
  98         case RTE_ETH_FILTER_INFO:
  99                 dev_warning(enic, "unsupported operation %u", filter_op);
 100                 ret = -ENOTSUP;
 101                 break;
 102         default:
 103                 dev_err(enic, "unknown operation %u", filter_op);
 104                 ret = -EINVAL;
 105                 break;
 106         }
 107         return ret;
 108 }
 109
 110 static int
 111 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 112                      enum rte_filter_type filter_type,
 113                      enum rte_filter_op filter_op,
 114                      void *arg)
 115 {
 116         int ret = -EINVAL;
 117
 118         if (RTE_ETH_FILTER_FDIR == filter_type)
 119                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 120         else
 121                 dev_warning(enic, "Filter type (%d) not supported",
 122                         filter_type);
 123
 124         return ret;
 125 }
 126
 127 static void enicpmd_dev_tx_queue_release(void *txq)
 128 {
 129         ENICPMD_FUNC_TRACE();
 130         enic_free_wq(txq);
 131 }
 132
 133 static int enicpmd_dev_setup_intr(struct enic *enic)
 134 {
 135         int ret;
 136         unsigned int index;
 137
 138         ENICPMD_FUNC_TRACE();
 139
 140         /* Are we done with the init of all the queues? */
 141         for (index = 0; index < enic->cq_count; index++) {
 142                 if (!enic->cq[index].ctrl)
 143                         break;
 144         }
 145         if (enic->cq_count != index)
 146                 return 0;
 147         for (index = 0; index < enic->wq_count; index++) {
 148                 if (!enic->wq[index].ctrl)
 149                         break;
 150         }
 151         if (enic->wq_count != index)
 152                 return 0;
 153         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 154         for (index = 0; index < enic->rq_count; index++) {
 155                 if (!enic->rq[enic_sop_rq(index)].ctrl)
 156                         break;
 157         }
 158         if (enic->rq_count != index)
 159                 return 0;
 160
 161         ret = enic_alloc_intr_resources(enic);
 162         if (ret) {
 163                 dev_err(enic, "alloc intr failed\n");
 164                 return ret;
 165         }
 166         enic_init_vnic_resources(enic);
 167
 168         ret = enic_setup_finish(enic);
 169         if (ret)
 170                 dev_err(enic, "setup could not be finished\n");
 171
 172         return ret;
 173 }
 174
 175 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 176         uint16_t queue_idx,
 177         uint16_t nb_desc,
 178         unsigned int socket_id,
 179         __rte_unused const struct rte_eth_txconf *tx_conf)
 180 {
 181         int ret;
 182         struct enic *enic = pmd_priv(eth_dev);
 183
 184         ENICPMD_FUNC_TRACE();
 185         if (queue_idx >= ENIC_WQ_MAX) {
 186                 dev_err(enic,
 187                         "Max number of TX queues exceeded.  Max is %d\n",
 188                         ENIC_WQ_MAX);
 189                 return -EINVAL;
 190         }
 191
 192         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 193
 194         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 195         if (ret) {
 196                 dev_err(enic, "error in allocating wq\n");
 197                 return ret;
 198         }
 199
 200         return enicpmd_dev_setup_intr(enic);
 201 }
 202
 203 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 204         uint16_t queue_idx)
 205 {
 206         struct enic *enic = pmd_priv(eth_dev);
 207
 208         ENICPMD_FUNC_TRACE();
 209
 210         enic_start_wq(enic, queue_idx);
 211         eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 212
 213         return 0;
 214 }
 215
 216 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 217         uint16_t queue_idx)
 218 {
 219         int ret;
 220         struct enic *enic = pmd_priv(eth_dev);
 221
 222         ENICPMD_FUNC_TRACE();
 223
 224         ret = enic_stop_wq(enic, queue_idx);
 225         if (ret)
 226                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 227         else
 228                 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 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         eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 242
 243         return 0;
 244 }
 245
 246 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 247         uint16_t queue_idx)
 248 {
 249         int ret;
 250         struct enic *enic = pmd_priv(eth_dev);
 251
 252         ENICPMD_FUNC_TRACE();
 253
 254         ret = enic_stop_rq(enic, queue_idx);
 255         if (ret)
 256                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 257         else
 258                 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 259
 260         return ret;
 261 }
 262
 263 static void enicpmd_dev_rx_queue_release(void *rxq)
 264 {
 265         ENICPMD_FUNC_TRACE();
 266         enic_free_rq(rxq);
 267 }
 268
 269 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 270         uint16_t queue_idx,
 271         uint16_t nb_desc,
 272         unsigned int socket_id,
 273         const struct rte_eth_rxconf *rx_conf,
 274         struct rte_mempool *mp)
 275 {
 276         int ret;
 277         struct enic *enic = pmd_priv(eth_dev);
 278
 279         ENICPMD_FUNC_TRACE();
 280         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 281          * by the application.
 282          */
 283         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 284                 dev_err(enic,
 285                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 286                         ENIC_RQ_MAX);
 287                 return -EINVAL;
 288         }
 289
 290         eth_dev->data->rx_queues[queue_idx] =
 291                 (void *)&enic->rq[enic_sop_rq(queue_idx)];
 292
 293         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 294         if (ret) {
 295                 dev_err(enic, "error in allocating rq\n");
 296                 return ret;
 297         }
 298
 299         enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
 300         dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
 301                         enic->rq[queue_idx].rx_free_thresh);
 302
 303         return enicpmd_dev_setup_intr(enic);
 304 }
 305
 306 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 307         uint16_t vlan_id, int on)
 308 {
 309         struct enic *enic = pmd_priv(eth_dev);
 310         int err;
 311
 312         ENICPMD_FUNC_TRACE();
 313         if (on)
 314                 err = enic_add_vlan(enic, vlan_id);
 315         else
 316                 err = enic_del_vlan(enic, vlan_id);
 317         return err;
 318 }
 319
 320 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 321 {
 322         struct enic *enic = pmd_priv(eth_dev);
 323
 324         ENICPMD_FUNC_TRACE();
 325
 326         if (mask & ETH_VLAN_STRIP_MASK) {
 327                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 328                         enic->ig_vlan_strip_en = 1;
 329                 else
 330                         enic->ig_vlan_strip_en = 0;
 331         }
 332         enic_set_rss_nic_cfg(enic);
 333
 334
 335         if (mask & ETH_VLAN_FILTER_MASK) {
 336                 dev_warning(enic,
 337                         "Configuration of VLAN filter is not supported\n");
 338         }
 339
 340         if (mask & ETH_VLAN_EXTEND_MASK) {
 341                 dev_warning(enic,
 342                         "Configuration of extended VLAN is not supported\n");
 343         }
 344 }
 345
 346 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 347 {
 348         int ret;
 349         struct enic *enic = pmd_priv(eth_dev);
 350
 351         ENICPMD_FUNC_TRACE();
 352         ret = enic_set_vnic_res(enic);
 353         if (ret) {
 354                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 355                 return ret;
 356         }
 357
 358         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 359                 eth_dev->data->dev_conf.rxmode.header_split) {
 360                 /* Enable header-data-split */
 361                 enic_set_hdr_split_size(enic,
 362                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 363         }
 364
 365         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 366         return 0;
 367 }
 368
 369 /* Start the device.
 370  * It returns 0 on success.
 371  */
 372 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 373 {
 374         struct enic *enic = pmd_priv(eth_dev);
 375
 376         ENICPMD_FUNC_TRACE();
 377         return enic_enable(enic);
 378 }
 379
 380 /*
 381  * Stop device: disable rx and tx functions to allow for reconfiguring.
 382  */
 383 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 384 {
 385         struct rte_eth_link link;
 386         struct enic *enic = pmd_priv(eth_dev);
 387
 388         ENICPMD_FUNC_TRACE();
 389         enic_disable(enic);
 390         memset(&link, 0, sizeof(link));
 391         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 392                 *(uint64_t *)&eth_dev->data->dev_link,
 393                 *(uint64_t *)&link);
 394 }
 395
 396 /*
 397  * Stop device.
 398  */
 399 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 400 {
 401         struct enic *enic = pmd_priv(eth_dev);
 402
 403         ENICPMD_FUNC_TRACE();
 404         enic_remove(enic);
 405 }
 406
 407 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 408         __rte_unused int wait_to_complete)
 409 {
 410         struct enic *enic = pmd_priv(eth_dev);
 411         int ret;
 412         int link_status = 0;
 413
 414         ENICPMD_FUNC_TRACE();
 415         link_status = enic_get_link_status(enic);
 416         ret = (link_status == enic->link_status);
 417         enic->link_status = link_status;
 418         eth_dev->data->dev_link.link_status = link_status;
 419         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 420         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 421         return ret;
 422 }
 423
 424 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 425         struct rte_eth_stats *stats)
 426 {
 427         struct enic *enic = pmd_priv(eth_dev);
 428
 429         ENICPMD_FUNC_TRACE();
 430         enic_dev_stats_get(enic, stats);
 431 }
 432
 433 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 434 {
 435         struct enic *enic = pmd_priv(eth_dev);
 436
 437         ENICPMD_FUNC_TRACE();
 438         enic_dev_stats_clear(enic);
 439 }
 440
 441 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 442         struct rte_eth_dev_info *device_info)
 443 {
 444         struct enic *enic = pmd_priv(eth_dev);
 445
 446         ENICPMD_FUNC_TRACE();
 447         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 448         device_info->max_rx_queues = enic->conf_rq_count / 2;
 449         device_info->max_tx_queues = enic->conf_wq_count;
 450         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 451         device_info->max_rx_pktlen = enic->rte_dev->data->mtu
 452                                    + ETHER_HDR_LEN + 4;
 453         device_info->max_mac_addrs = 1;
 454         device_info->rx_offload_capa =
 455                 DEV_RX_OFFLOAD_VLAN_STRIP |
 456                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 457                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 458                 DEV_RX_OFFLOAD_TCP_CKSUM;
 459         device_info->tx_offload_capa =
 460                 DEV_TX_OFFLOAD_VLAN_INSERT |
 461                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 462                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 463                 DEV_TX_OFFLOAD_TCP_CKSUM;
 464         device_info->default_rxconf = (struct rte_eth_rxconf) {
 465                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 466         };
 467 }
 468
 469 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 470 {
 471         static const uint32_t ptypes[] = {
 472                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 473                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 474                 RTE_PTYPE_L4_TCP,
 475                 RTE_PTYPE_L4_UDP,
 476                 RTE_PTYPE_L4_FRAG,
 477                 RTE_PTYPE_L4_NONFRAG,
 478                 RTE_PTYPE_UNKNOWN
 479         };
 480
 481         if (dev->rx_pkt_burst == enic_recv_pkts)
 482                 return ptypes;
 483         return NULL;
 484 }
 485
 486 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 487 {
 488         struct enic *enic = pmd_priv(eth_dev);
 489
 490         ENICPMD_FUNC_TRACE();
 491         enic->promisc = 1;
 492         enic_add_packet_filter(enic);
 493 }
 494
 495 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 496 {
 497         struct enic *enic = pmd_priv(eth_dev);
 498
 499         ENICPMD_FUNC_TRACE();
 500         enic->promisc = 0;
 501         enic_add_packet_filter(enic);
 502 }
 503
 504 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 505 {
 506         struct enic *enic = pmd_priv(eth_dev);
 507
 508         ENICPMD_FUNC_TRACE();
 509         enic->allmulti = 1;
 510         enic_add_packet_filter(enic);
 511 }
 512
 513 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 514 {
 515         struct enic *enic = pmd_priv(eth_dev);
 516
 517         ENICPMD_FUNC_TRACE();
 518         enic->allmulti = 0;
 519         enic_add_packet_filter(enic);
 520 }
 521
 522 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 523         struct ether_addr *mac_addr,
 524         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 525 {
 526         struct enic *enic = pmd_priv(eth_dev);
 527
 528         ENICPMD_FUNC_TRACE();
 529         enic_set_mac_address(enic, mac_addr->addr_bytes);
 530 }
 531
 532 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 533 {
 534         struct enic *enic = pmd_priv(eth_dev);
 535
 536         ENICPMD_FUNC_TRACE();
 537         enic_del_mac_address(enic);
 538 }
 539
 540 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 541 {
 542         struct enic *enic = pmd_priv(eth_dev);
 543
 544         ENICPMD_FUNC_TRACE();
 545         return enic_set_mtu(enic, mtu);
 546 }
 547
 548 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 549         .dev_configure        = enicpmd_dev_configure,
 550         .dev_start            = enicpmd_dev_start,
 551         .dev_stop             = enicpmd_dev_stop,
 552         .dev_set_link_up      = NULL,
 553         .dev_set_link_down    = NULL,
 554         .dev_close            = enicpmd_dev_close,
 555         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 556         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 557         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 558         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 559         .link_update          = enicpmd_dev_link_update,
 560         .stats_get            = enicpmd_dev_stats_get,
 561         .stats_reset          = enicpmd_dev_stats_reset,
 562         .queue_stats_mapping_set = NULL,
 563         .dev_infos_get        = enicpmd_dev_info_get,
 564         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 565         .mtu_set              = enicpmd_mtu_set,
 566         .vlan_filter_set      = enicpmd_vlan_filter_set,
 567         .vlan_tpid_set        = NULL,
 568         .vlan_offload_set     = enicpmd_vlan_offload_set,
 569         .vlan_strip_queue_set = NULL,
 570         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 571         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 572         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 573         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 574         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 575         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 576         .rx_queue_count       = NULL,
 577         .rx_descriptor_done   = NULL,
 578         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 579         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 580         .dev_led_on           = NULL,
 581         .dev_led_off          = NULL,
 582         .flow_ctrl_get        = NULL,
 583         .flow_ctrl_set        = NULL,
 584         .priority_flow_ctrl_set = NULL,
 585         .mac_addr_add         = enicpmd_add_mac_addr,
 586         .mac_addr_remove      = enicpmd_remove_mac_addr,
 587         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 588 };
 589
 590 struct enic *enicpmd_list_head = NULL;
 591 /* Initialize the driver
 592  * It returns 0 on success.
 593  */
 594 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 595 {
 596         struct rte_pci_device *pdev;
 597         struct rte_pci_addr *addr;
 598         struct enic *enic = pmd_priv(eth_dev);
 599
 600         ENICPMD_FUNC_TRACE();
 601
 602         enic->port_id = eth_dev->data->port_id;
 603         enic->rte_dev = eth_dev;
 604         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 605         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 606         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 607
 608         pdev = eth_dev->pci_dev;
 609         rte_eth_copy_pci_info(eth_dev, pdev);
 610         enic->pdev = pdev;
 611         addr = &pdev->addr;
 612
 613         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 614                 addr->domain, addr->bus, addr->devid, addr->function);
 615
 616         return enic_probe(enic);
 617 }
 618
 619 static struct eth_driver rte_enic_pmd = {
 620         .pci_drv = {
 621                 .name = "rte_enic_pmd",
 622                 .id_table = pci_id_enic_map,
 623                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 624         },
 625         .eth_dev_init = eth_enicpmd_dev_init,
 626         .dev_private_size = sizeof(struct enic),
 627 };
 628
 629 /* Driver initialization routine.
 630  * Invoked once at EAL init time.
 631  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 632  */
 633 static int
 634 rte_enic_pmd_init(__rte_unused const char *name,
 635          __rte_unused const char *params)
 636 {
 637         ENICPMD_FUNC_TRACE();
 638
 639         rte_eth_driver_register(&rte_enic_pmd);
 640         return 0;
 641 }
 642
 643 static struct rte_driver rte_enic_driver = {
 644         .type = PMD_PDEV,
 645         .init = rte_enic_pmd_init,
 646 };
 647
 648 PMD_REGISTER_DRIVER(rte_enic_driver, enic);
 649 DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);