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 static const struct rte_pci_id pci_id_enic_map[] = {
  61 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
  62 #ifndef PCI_VENDOR_ID_CISCO
  63 #define PCI_VENDOR_ID_CISCO     0x1137
  64 #endif
  65 #include "rte_pci_dev_ids.h"
  66 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
  67 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
  68 {.vendor_id = 0, /* Sentinal */},
  69 };
  70
  71 static int
  72 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  73                         enum rte_filter_op filter_op, void *arg)
  74 {
  75         struct enic *enic = pmd_priv(eth_dev);
  76         int ret = 0;
  77
  78         ENICPMD_FUNC_TRACE();
  79         if (filter_op == RTE_ETH_FILTER_NOP)
  80                 return 0;
  81
  82         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  83                 return -EINVAL;
  84
  85         switch (filter_op) {
  86         case RTE_ETH_FILTER_ADD:
  87         case RTE_ETH_FILTER_UPDATE:
  88                 ret = enic_fdir_add_fltr(enic,
  89                         (struct rte_eth_fdir_filter *)arg);
  90                 break;
  91
  92         case RTE_ETH_FILTER_DELETE:
  93                 ret = enic_fdir_del_fltr(enic,
  94                         (struct rte_eth_fdir_filter *)arg);
  95                 break;
  96
  97         case RTE_ETH_FILTER_STATS:
  98                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
  99                 break;
 100
 101         case RTE_ETH_FILTER_FLUSH:
 102         case RTE_ETH_FILTER_INFO:
 103                 dev_warning(enic, "unsupported operation %u", filter_op);
 104                 ret = -ENOTSUP;
 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 = -EINVAL;
 121
 122         if (RTE_ETH_FILTER_FDIR == filter_type)
 123                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 124         else
 125                 dev_warning(enic, "Filter type (%d) not supported",
 126                         filter_type);
 127
 128         return ret;
 129 }
 130
 131 static void enicpmd_dev_tx_queue_release(void *txq)
 132 {
 133         ENICPMD_FUNC_TRACE();
 134         enic_free_wq(txq);
 135 }
 136
 137 static int enicpmd_dev_setup_intr(struct enic *enic)
 138 {
 139         int ret;
 140         unsigned int index;
 141
 142         ENICPMD_FUNC_TRACE();
 143
 144         /* Are we done with the init of all the queues? */
 145         for (index = 0; index < enic->cq_count; index++) {
 146                 if (!enic->cq[index].ctrl)
 147                         break;
 148         }
 149
 150         if (enic->cq_count != index)
 151                 return 0;
 152
 153         ret = enic_alloc_intr_resources(enic);
 154         if (ret) {
 155                 dev_err(enic, "alloc intr failed\n");
 156                 return ret;
 157         }
 158         enic_init_vnic_resources(enic);
 159
 160         ret = enic_setup_finish(enic);
 161         if (ret)
 162                 dev_err(enic, "setup could not be finished\n");
 163
 164         return ret;
 165 }
 166
 167 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 168         uint16_t queue_idx,
 169         uint16_t nb_desc,
 170         unsigned int socket_id,
 171         __rte_unused const struct rte_eth_txconf *tx_conf)
 172 {
 173         int ret;
 174         struct enic *enic = pmd_priv(eth_dev);
 175
 176         ENICPMD_FUNC_TRACE();
 177         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 178
 179         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 180         if (ret) {
 181                 dev_err(enic, "error in allocating wq\n");
 182                 return ret;
 183         }
 184
 185         return enicpmd_dev_setup_intr(enic);
 186 }
 187
 188 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 189         uint16_t queue_idx)
 190 {
 191         struct enic *enic = pmd_priv(eth_dev);
 192
 193         ENICPMD_FUNC_TRACE();
 194
 195         enic_start_wq(enic, queue_idx);
 196         eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 197
 198         return 0;
 199 }
 200
 201 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 202         uint16_t queue_idx)
 203 {
 204         int ret;
 205         struct enic *enic = pmd_priv(eth_dev);
 206
 207         ENICPMD_FUNC_TRACE();
 208
 209         ret = enic_stop_wq(enic, queue_idx);
 210         if (ret)
 211                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 212         else
 213                 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 214
 215         return ret;
 216 }
 217
 218 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 219         uint16_t queue_idx)
 220 {
 221         struct enic *enic = pmd_priv(eth_dev);
 222
 223         ENICPMD_FUNC_TRACE();
 224
 225         enic_start_rq(enic, queue_idx);
 226         eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 227
 228         return 0;
 229 }
 230
 231 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 232         uint16_t queue_idx)
 233 {
 234         int ret;
 235         struct enic *enic = pmd_priv(eth_dev);
 236
 237         ENICPMD_FUNC_TRACE();
 238
 239         ret = enic_stop_rq(enic, queue_idx);
 240         if (ret)
 241                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 242         else
 243                 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 244
 245         return ret;
 246 }
 247
 248 static void enicpmd_dev_rx_queue_release(void *rxq)
 249 {
 250         ENICPMD_FUNC_TRACE();
 251         enic_free_rq(rxq);
 252 }
 253
 254 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 255         uint16_t queue_idx,
 256         uint16_t nb_desc,
 257         unsigned int socket_id,
 258         const struct rte_eth_rxconf *rx_conf,
 259         struct rte_mempool *mp)
 260 {
 261         int ret;
 262         struct enic *enic = pmd_priv(eth_dev);
 263
 264         ENICPMD_FUNC_TRACE();
 265         eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
 266
 267         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 268         if (ret) {
 269                 dev_err(enic, "error in allocating rq\n");
 270                 return ret;
 271         }
 272
 273         enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
 274         dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
 275                         enic->rq[queue_idx].rx_free_thresh);
 276
 277         return enicpmd_dev_setup_intr(enic);
 278 }
 279
 280 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 281         uint16_t vlan_id, int on)
 282 {
 283         struct enic *enic = pmd_priv(eth_dev);
 284         int err;
 285
 286         ENICPMD_FUNC_TRACE();
 287         if (on)
 288                 err = enic_add_vlan(enic, vlan_id);
 289         else
 290                 err = enic_del_vlan(enic, vlan_id);
 291         return err;
 292 }
 293
 294 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 295 {
 296         struct enic *enic = pmd_priv(eth_dev);
 297
 298         ENICPMD_FUNC_TRACE();
 299
 300         if (mask & ETH_VLAN_STRIP_MASK) {
 301                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 302                         enic->ig_vlan_strip_en = 1;
 303                 else
 304                         enic->ig_vlan_strip_en = 0;
 305         }
 306         enic_set_rss_nic_cfg(enic);
 307
 308
 309         if (mask & ETH_VLAN_FILTER_MASK) {
 310                 dev_warning(enic,
 311                         "Configuration of VLAN filter is not supported\n");
 312         }
 313
 314         if (mask & ETH_VLAN_EXTEND_MASK) {
 315                 dev_warning(enic,
 316                         "Configuration of extended VLAN is not supported\n");
 317         }
 318 }
 319
 320 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 321 {
 322         int ret;
 323         struct enic *enic = pmd_priv(eth_dev);
 324
 325         ENICPMD_FUNC_TRACE();
 326         ret = enic_set_vnic_res(enic);
 327         if (ret) {
 328                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 329                 return ret;
 330         }
 331
 332         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 333                 eth_dev->data->dev_conf.rxmode.header_split) {
 334                 /* Enable header-data-split */
 335                 enic_set_hdr_split_size(enic,
 336                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 337         }
 338
 339         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 340         return 0;
 341 }
 342
 343 /* Start the device.
 344  * It returns 0 on success.
 345  */
 346 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 347 {
 348         struct enic *enic = pmd_priv(eth_dev);
 349
 350         ENICPMD_FUNC_TRACE();
 351         return enic_enable(enic);
 352 }
 353
 354 /*
 355  * Stop device: disable rx and tx functions to allow for reconfiguring.
 356  */
 357 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 358 {
 359         struct rte_eth_link link;
 360         struct enic *enic = pmd_priv(eth_dev);
 361
 362         ENICPMD_FUNC_TRACE();
 363         enic_disable(enic);
 364         memset(&link, 0, sizeof(link));
 365         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 366                 *(uint64_t *)&eth_dev->data->dev_link,
 367                 *(uint64_t *)&link);
 368 }
 369
 370 /*
 371  * Stop device.
 372  */
 373 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 374 {
 375         struct enic *enic = pmd_priv(eth_dev);
 376
 377         ENICPMD_FUNC_TRACE();
 378         enic_remove(enic);
 379 }
 380
 381 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 382         __rte_unused int wait_to_complete)
 383 {
 384         struct enic *enic = pmd_priv(eth_dev);
 385         int ret;
 386         int link_status = 0;
 387
 388         ENICPMD_FUNC_TRACE();
 389         link_status = enic_get_link_status(enic);
 390         ret = (link_status == enic->link_status);
 391         enic->link_status = link_status;
 392         eth_dev->data->dev_link.link_status = link_status;
 393         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 394         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 395         return ret;
 396 }
 397
 398 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 399         struct rte_eth_stats *stats)
 400 {
 401         struct enic *enic = pmd_priv(eth_dev);
 402
 403         ENICPMD_FUNC_TRACE();
 404         enic_dev_stats_get(enic, stats);
 405 }
 406
 407 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 408 {
 409         struct enic *enic = pmd_priv(eth_dev);
 410
 411         ENICPMD_FUNC_TRACE();
 412         enic_dev_stats_clear(enic);
 413 }
 414
 415 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 416         struct rte_eth_dev_info *device_info)
 417 {
 418         struct enic *enic = pmd_priv(eth_dev);
 419
 420         ENICPMD_FUNC_TRACE();
 421         device_info->max_rx_queues = enic->rq_count;
 422         device_info->max_tx_queues = enic->wq_count;
 423         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 424         device_info->max_rx_pktlen = enic->config.mtu;
 425         device_info->max_mac_addrs = 1;
 426         device_info->rx_offload_capa =
 427                 DEV_RX_OFFLOAD_VLAN_STRIP |
 428                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 429                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 430                 DEV_RX_OFFLOAD_TCP_CKSUM;
 431         device_info->tx_offload_capa =
 432                 DEV_TX_OFFLOAD_VLAN_INSERT |
 433                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 434                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 435                 DEV_TX_OFFLOAD_TCP_CKSUM;
 436         device_info->default_rxconf = (struct rte_eth_rxconf) {
 437                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 438         };
 439 }
 440
 441 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 442 {
 443         struct enic *enic = pmd_priv(eth_dev);
 444
 445         ENICPMD_FUNC_TRACE();
 446         enic->promisc = 1;
 447         enic_add_packet_filter(enic);
 448 }
 449
 450 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 451 {
 452         struct enic *enic = pmd_priv(eth_dev);
 453
 454         ENICPMD_FUNC_TRACE();
 455         enic->promisc = 0;
 456         enic_add_packet_filter(enic);
 457 }
 458
 459 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 460 {
 461         struct enic *enic = pmd_priv(eth_dev);
 462
 463         ENICPMD_FUNC_TRACE();
 464         enic->allmulti = 1;
 465         enic_add_packet_filter(enic);
 466 }
 467
 468 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 469 {
 470         struct enic *enic = pmd_priv(eth_dev);
 471
 472         ENICPMD_FUNC_TRACE();
 473         enic->allmulti = 0;
 474         enic_add_packet_filter(enic);
 475 }
 476
 477 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 478         struct ether_addr *mac_addr,
 479         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 480 {
 481         struct enic *enic = pmd_priv(eth_dev);
 482
 483         ENICPMD_FUNC_TRACE();
 484         enic_set_mac_address(enic, mac_addr->addr_bytes);
 485 }
 486
 487 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
 488 {
 489         struct enic *enic = pmd_priv(eth_dev);
 490
 491         ENICPMD_FUNC_TRACE();
 492         enic_del_mac_address(enic);
 493 }
 494
 495
 496 static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 497         uint16_t nb_pkts)
 498 {
 499         unsigned int index;
 500         unsigned int frags;
 501         unsigned int pkt_len;
 502         unsigned int seg_len;
 503         unsigned int inc_len;
 504         unsigned int nb_segs;
 505         struct rte_mbuf *tx_pkt, *next_tx_pkt;
 506         struct vnic_wq *wq = (struct vnic_wq *)tx_queue;
 507         struct enic *enic = vnic_dev_priv(wq->vdev);
 508         unsigned short vlan_id;
 509         unsigned short ol_flags;
 510         uint8_t last_seg, eop;
 511
 512         for (index = 0; index < nb_pkts; index++) {
 513                 tx_pkt = *tx_pkts++;
 514                 inc_len = 0;
 515                 nb_segs = tx_pkt->nb_segs;
 516                 if (nb_segs > vnic_wq_desc_avail(wq)) {
 517                         if (index > 0)
 518                                 enic_post_wq_index(wq);
 519
 520                         /* wq cleanup and try again */
 521                         if (!enic_cleanup_wq(enic, wq) ||
 522                                 (nb_segs > vnic_wq_desc_avail(wq))) {
 523                                 return index;
 524                         }
 525                 }
 526                 pkt_len = tx_pkt->pkt_len;
 527                 vlan_id = tx_pkt->vlan_tci;
 528                 ol_flags = tx_pkt->ol_flags;
 529                 for (frags = 0; inc_len < pkt_len; frags++) {
 530                         if (!tx_pkt)
 531                                 break;
 532                         next_tx_pkt = tx_pkt->next;
 533                         seg_len = tx_pkt->data_len;
 534                         inc_len += seg_len;
 535                         eop = (pkt_len == inc_len) || (!next_tx_pkt);
 536                         last_seg = eop &&
 537                                 (index == ((unsigned int)nb_pkts - 1));
 538                         enic_send_pkt(enic, wq, tx_pkt, (unsigned short)seg_len,
 539                                       !frags, eop, last_seg, ol_flags, vlan_id);
 540                         tx_pkt = next_tx_pkt;
 541                 }
 542         }
 543
 544         enic_cleanup_wq(enic, wq);
 545         return index;
 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         .mtu_set              = NULL,
 565         .vlan_filter_set      = enicpmd_vlan_filter_set,
 566         .vlan_tpid_set        = NULL,
 567         .vlan_offload_set     = enicpmd_vlan_offload_set,
 568         .vlan_strip_queue_set = NULL,
 569         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 570         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 571         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 572         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 573         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 574         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 575         .rx_queue_count       = NULL,
 576         .rx_descriptor_done   = NULL,
 577         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 578         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 579         .dev_led_on           = NULL,
 580         .dev_led_off          = NULL,
 581         .flow_ctrl_get        = NULL,
 582         .flow_ctrl_set        = NULL,
 583         .priority_flow_ctrl_set = NULL,
 584         .mac_addr_add         = enicpmd_add_mac_addr,
 585         .mac_addr_remove      = enicpmd_remove_mac_addr,
 586         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 587 };
 588
 589 struct enic *enicpmd_list_head = NULL;
 590 /* Initialize the driver
 591  * It returns 0 on success.
 592  */
 593 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 594 {
 595         struct rte_pci_device *pdev;
 596         struct rte_pci_addr *addr;
 597         struct enic *enic = pmd_priv(eth_dev);
 598
 599         ENICPMD_FUNC_TRACE();
 600
 601         enic->port_id = eth_dev->data->port_id;
 602         enic->rte_dev = eth_dev;
 603         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 604         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 605         eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
 606
 607         pdev = eth_dev->pci_dev;
 608         rte_eth_copy_pci_info(eth_dev, pdev);
 609         enic->pdev = pdev;
 610         addr = &pdev->addr;
 611
 612         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 613                 addr->domain, addr->bus, addr->devid, addr->function);
 614
 615         return enic_probe(enic);
 616 }
 617
 618 static struct eth_driver rte_enic_pmd = {
 619         .pci_drv = {
 620                 .name = "rte_enic_pmd",
 621                 .id_table = pci_id_enic_map,
 622                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 623         },
 624         .eth_dev_init = eth_enicpmd_dev_init,
 625         .dev_private_size = sizeof(struct enic),
 626 };
 627
 628 /* Driver initialization routine.
 629  * Invoked once at EAL init time.
 630  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 631  */
 632 static int
 633 rte_enic_pmd_init(__rte_unused const char *name,
 634          __rte_unused const char *params)
 635 {
 636         ENICPMD_FUNC_TRACE();
 637
 638         rte_eth_driver_register(&rte_enic_pmd);
 639         return 0;
 640 }
 641
 642 static struct rte_driver rte_enic_driver = {
 643         .type = PMD_PDEV,
 644         .init = rte_enic_pmd_init,
 645 };
 646
 647 PMD_REGISTER_DRIVER(rte_enic_driver);