lib/librte_pmd_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 #ident "$Id$"
  35
  36 #include <stdio.h>
  37 #include <stdint.h>
  38
  39 #include <rte_dev.h>
  40 #include <rte_pci.h>
  41 #include <rte_ethdev.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 #define ENICPMD_FUNC_TRACE() \
  52         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
  53
  54 /*
  55  * The set of PCI devices this driver supports
  56  */
  57 static struct rte_pci_id pci_id_enic_map[] = {
  58 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
  59 #ifndef PCI_VENDOR_ID_CISCO
  60 #define PCI_VENDOR_ID_CISCO     0x1137
  61 #endif
  62 #include "rte_pci_dev_ids.h"
  63 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
  64 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
  65 {.vendor_id = 0, /* Sentinal */},
  66 };
  67
  68 static int enicpmd_fdir_remove_perfect_filter(struct rte_eth_dev *eth_dev,
  69                 struct rte_fdir_filter *fdir_filter,
  70                 uint16_t soft_id)
  71 {
  72         struct enic *enic = pmd_priv(eth_dev);
  73
  74         ENICPMD_FUNC_TRACE();
  75         return enic_fdir_del_fltr(enic, fdir_filter);
  76 }
  77
  78 static int enicpmd_fdir_add_perfect_filter(struct rte_eth_dev *eth_dev,
  79         struct rte_fdir_filter *fdir_filter, uint16_t soft_id,
  80         uint8_t queue, uint8_t drop)
  81 {
  82         struct enic *enic = pmd_priv(eth_dev);
  83
  84         ENICPMD_FUNC_TRACE();
  85         return enic_fdir_add_fltr(enic, fdir_filter, (uint16_t)queue, drop);
  86 }
  87
  88 static void enicpmd_fdir_info_get(struct rte_eth_dev *eth_dev,
  89         struct rte_eth_fdir *fdir)
  90 {
  91         struct enic *enic = pmd_priv(eth_dev);
  92
  93         ENICPMD_FUNC_TRACE();
  94         *fdir = enic->fdir.stats;
  95 }
  96
  97 static void enicpmd_dev_tx_queue_release(void *txq)
  98 {
  99         ENICPMD_FUNC_TRACE();
 100         enic_free_wq(txq);
 101 }
 102
 103 static int enicpmd_dev_setup_intr(struct enic *enic)
 104 {
 105         int ret;
 106         int index;
 107
 108         ENICPMD_FUNC_TRACE();
 109
 110         /* Are we done with the init of all the queues? */
 111         for (index = 0; index < enic->cq_count; index++) {
 112                 if (!enic->cq[index].ctrl)
 113                         break;
 114         }
 115
 116         if (enic->cq_count != index)
 117                 return 0;
 118
 119         ret = enic_alloc_intr_resources(enic);
 120         if (ret) {
 121                 dev_err(enic, "alloc intr failed\n");
 122                 return ret;
 123         }
 124         enic_init_vnic_resources(enic);
 125
 126         ret = enic_setup_finish(enic);
 127         if (ret)
 128                 dev_err(enic, "setup could not be finished\n");
 129
 130         return ret;
 131 }
 132
 133 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 134         uint16_t queue_idx,
 135         uint16_t nb_desc,
 136         unsigned int socket_id,
 137         const struct rte_eth_txconf *tx_conf)
 138 {
 139         int ret;
 140         struct enic *enic = pmd_priv(eth_dev);
 141
 142         ENICPMD_FUNC_TRACE();
 143         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 144
 145         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 146         if (ret) {
 147                 dev_err(enic, "error in allocating wq\n");
 148                 return ret;
 149         }
 150
 151         return enicpmd_dev_setup_intr(enic);
 152 }
 153
 154 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 155         uint16_t queue_idx)
 156 {
 157         struct enic *enic = pmd_priv(eth_dev);
 158
 159         ENICPMD_FUNC_TRACE();
 160
 161         enic_start_wq(enic, queue_idx);
 162
 163         return 0;
 164 }
 165
 166 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 167         uint16_t queue_idx)
 168 {
 169         int ret;
 170         struct enic *enic = pmd_priv(eth_dev);
 171
 172         ENICPMD_FUNC_TRACE();
 173
 174         ret = enic_stop_wq(enic, queue_idx);
 175         if (ret)
 176                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 177
 178         return ret;
 179 }
 180
 181 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 182         uint16_t queue_idx)
 183 {
 184         struct enic *enic = pmd_priv(eth_dev);
 185
 186         ENICPMD_FUNC_TRACE();
 187
 188         enic_start_rq(enic, queue_idx);
 189
 190         return 0;
 191 }
 192
 193 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 194         uint16_t queue_idx)
 195 {
 196         int ret;
 197         struct enic *enic = pmd_priv(eth_dev);
 198
 199         ENICPMD_FUNC_TRACE();
 200
 201         ret = enic_stop_rq(enic, queue_idx);
 202         if (ret)
 203                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 204
 205         return ret;
 206 }
 207
 208 static void enicpmd_dev_rx_queue_release(void *rxq)
 209 {
 210         ENICPMD_FUNC_TRACE();
 211         enic_free_rq(rxq);
 212 }
 213
 214 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 215         uint16_t queue_idx,
 216         uint16_t nb_desc,
 217         unsigned int socket_id,
 218         const struct rte_eth_rxconf *rx_conf,
 219         struct rte_mempool *mp)
 220 {
 221         int ret;
 222         struct enic *enic = pmd_priv(eth_dev);
 223
 224         ENICPMD_FUNC_TRACE();
 225         eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
 226
 227         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
 228         if (ret) {
 229                 dev_err(enic, "error in allocating rq\n");
 230                 return ret;
 231         }
 232
 233         return enicpmd_dev_setup_intr(enic);
 234 }
 235
 236 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 237         uint16_t vlan_id, int on)
 238 {
 239         struct enic *enic = pmd_priv(eth_dev);
 240
 241         ENICPMD_FUNC_TRACE();
 242         if (on)
 243                 enic_add_vlan(enic, vlan_id);
 244         else
 245                 enic_del_vlan(enic, vlan_id);
 246         return 0;
 247 }
 248
 249 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 250 {
 251         struct enic *enic = pmd_priv(eth_dev);
 252
 253         ENICPMD_FUNC_TRACE();
 254
 255         if (mask & ETH_VLAN_STRIP_MASK) {
 256                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
 257                         enic->ig_vlan_strip_en = 1;
 258                 else
 259                         enic->ig_vlan_strip_en = 0;
 260         }
 261         enic_set_rss_nic_cfg(enic);
 262
 263
 264         if (mask & ETH_VLAN_FILTER_MASK) {
 265                 dev_warning(enic,
 266                         "Configuration of VLAN filter is not supported\n");
 267         }
 268
 269         if (mask & ETH_VLAN_EXTEND_MASK) {
 270                 dev_warning(enic,
 271                         "Configuration of extended VLAN is not supported\n");
 272         }
 273 }
 274
 275 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 276 {
 277         int ret;
 278         struct enic *enic = pmd_priv(eth_dev);
 279
 280         ENICPMD_FUNC_TRACE();
 281         ret = enic_set_vnic_res(enic);
 282         if (ret) {
 283                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 284                 return ret;
 285         }
 286
 287         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
 288                 eth_dev->data->dev_conf.rxmode.header_split) {
 289                 /* Enable header-data-split */
 290                 enic_set_hdr_split_size(enic,
 291                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
 292         }
 293
 294         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
 295         return 0;
 296 }
 297
 298 /* Start the device.
 299  * It returns 0 on success.
 300  */
 301 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 302 {
 303         struct enic *enic = pmd_priv(eth_dev);
 304
 305         ENICPMD_FUNC_TRACE();
 306         return enic_enable(enic);
 307 }
 308
 309 /*
 310  * Stop device: disable rx and tx functions to allow for reconfiguring.
 311  */
 312 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 313 {
 314         struct rte_eth_link link;
 315         struct enic *enic = pmd_priv(eth_dev);
 316
 317         ENICPMD_FUNC_TRACE();
 318         enic_disable(enic);
 319         memset(&link, 0, sizeof(link));
 320         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 321                 *(uint64_t *)&eth_dev->data->dev_link,
 322                 *(uint64_t *)&link);
 323 }
 324
 325 /*
 326  * Stop device.
 327  */
 328 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 329 {
 330         struct enic *enic = pmd_priv(eth_dev);
 331
 332         ENICPMD_FUNC_TRACE();
 333         enic_remove(enic);
 334 }
 335
 336 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 337         int wait_to_complete)
 338 {
 339         struct enic *enic = pmd_priv(eth_dev);
 340         int ret;
 341         int link_status = 0;
 342
 343         ENICPMD_FUNC_TRACE();
 344         link_status = enic_get_link_status(enic);
 345         ret = (link_status == enic->link_status);
 346         enic->link_status = link_status;
 347         eth_dev->data->dev_link.link_status = link_status;
 348         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 349         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 350         return ret;
 351 }
 352
 353 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 354         struct rte_eth_stats *stats)
 355 {
 356         struct enic *enic = pmd_priv(eth_dev);
 357
 358         ENICPMD_FUNC_TRACE();
 359         enic_dev_stats_get(enic, stats);
 360 }
 361
 362 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 363 {
 364         struct enic *enic = pmd_priv(eth_dev);
 365
 366         ENICPMD_FUNC_TRACE();
 367         enic_dev_stats_clear(enic);
 368 }
 369
 370 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 371         struct rte_eth_dev_info *device_info)
 372 {
 373         struct enic *enic = pmd_priv(eth_dev);
 374
 375         ENICPMD_FUNC_TRACE();
 376         device_info->max_rx_queues = enic->rq_count;
 377         device_info->max_tx_queues = enic->wq_count;
 378         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 379         device_info->max_rx_pktlen = enic->config.mtu;
 380         device_info->max_mac_addrs = 1;
 381         device_info->rx_offload_capa =
 382                 DEV_RX_OFFLOAD_VLAN_STRIP |
 383                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 384                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 385                 DEV_RX_OFFLOAD_TCP_CKSUM;
 386         device_info->tx_offload_capa =
 387                 DEV_TX_OFFLOAD_VLAN_INSERT |
 388                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 389                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 390                 DEV_TX_OFFLOAD_TCP_CKSUM;
 391 }
 392
 393 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 394 {
 395         struct enic *enic = pmd_priv(eth_dev);
 396
 397         ENICPMD_FUNC_TRACE();
 398         enic->promisc = 1;
 399         enic_add_packet_filter(enic);
 400 }
 401
 402 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 403 {
 404         struct enic *enic = pmd_priv(eth_dev);
 405
 406         ENICPMD_FUNC_TRACE();
 407         enic->promisc = 0;
 408         enic_add_packet_filter(enic);
 409 }
 410
 411 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 412 {
 413         struct enic *enic = pmd_priv(eth_dev);
 414
 415         ENICPMD_FUNC_TRACE();
 416         enic->allmulti = 1;
 417         enic_add_packet_filter(enic);
 418 }
 419
 420 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 421 {
 422         struct enic *enic = pmd_priv(eth_dev);
 423
 424         ENICPMD_FUNC_TRACE();
 425         enic->allmulti = 0;
 426         enic_add_packet_filter(enic);
 427 }
 428
 429 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 430         struct ether_addr *mac_addr,
 431         uint32_t index, uint32_t pool)
 432 {
 433         struct enic *enic = pmd_priv(eth_dev);
 434
 435         ENICPMD_FUNC_TRACE();
 436         enic_set_mac_address(enic, mac_addr->addr_bytes);
 437 }
 438
 439 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 440 {
 441         struct enic *enic = pmd_priv(eth_dev);
 442
 443         ENICPMD_FUNC_TRACE();
 444         enic_del_mac_address(enic);
 445 }
 446
 447
 448 static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 449         uint16_t nb_pkts)
 450 {
 451         unsigned int index;
 452         unsigned int frags;
 453         unsigned int pkt_len;
 454         unsigned int seg_len;
 455         unsigned int inc_len;
 456         unsigned int nb_segs;
 457         struct rte_mbuf *tx_pkt;
 458         struct vnic_wq *wq = (struct vnic_wq *)tx_queue;
 459         struct enic *enic = vnic_dev_priv(wq->vdev);
 460         unsigned char *buf;
 461         unsigned short vlan_id;
 462         unsigned short ol_flags;
 463
 464         for (index = 0; index < nb_pkts; index++) {
 465                 tx_pkt = *tx_pkts++;
 466                 inc_len = 0;
 467                 nb_segs = tx_pkt->nb_segs;
 468                 if (nb_segs > vnic_wq_desc_avail(wq)) {
 469                         /* wq cleanup and try again */
 470                         if (!enic_cleanup_wq(enic, wq) ||
 471                                 (nb_segs > vnic_wq_desc_avail(wq)))
 472                                 return index;
 473                 }
 474                 pkt_len = tx_pkt->pkt_len;
 475                 vlan_id = tx_pkt->vlan_tci;
 476                 ol_flags = tx_pkt->ol_flags;
 477                 for (frags = 0; inc_len < pkt_len; frags++) {
 478                         if (!tx_pkt)
 479                                 break;
 480                         seg_len = tx_pkt->data_len;
 481                         inc_len += seg_len;
 482                         if (enic_send_pkt(enic, wq, tx_pkt,
 483                                     (unsigned short)seg_len, !frags,
 484                                     (pkt_len == inc_len), ol_flags, vlan_id)) {
 485                                 break;
 486                         }
 487                         tx_pkt = tx_pkt->next;
 488                 }
 489         }
 490
 491         enic_cleanup_wq(enic, wq);
 492         return index;
 493 }
 494
 495 static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 496         uint16_t nb_pkts)
 497 {
 498         struct vnic_rq *rq = (struct vnic_rq *)rx_queue;
 499         unsigned int work_done;
 500
 501         if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 502                 dev_err(enic, "error in enicpmd poll\n");
 503
 504         return work_done;
 505 }
 506
 507 static struct eth_dev_ops enicpmd_eth_dev_ops = {
 508         .dev_configure        = enicpmd_dev_configure,
 509         .dev_start            = enicpmd_dev_start,
 510         .dev_stop             = enicpmd_dev_stop,
 511         .dev_set_link_up      = NULL,
 512         .dev_set_link_down    = NULL,
 513         .dev_close            = enicpmd_dev_close,
 514         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 515         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 516         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 517         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 518         .link_update          = enicpmd_dev_link_update,
 519         .stats_get            = enicpmd_dev_stats_get,
 520         .stats_reset          = enicpmd_dev_stats_reset,
 521         .queue_stats_mapping_set = NULL,
 522         .dev_infos_get        = enicpmd_dev_info_get,
 523         .mtu_set              = NULL,
 524         .vlan_filter_set      = enicpmd_vlan_filter_set,
 525         .vlan_tpid_set        = NULL,
 526         .vlan_offload_set     = enicpmd_vlan_offload_set,
 527         .vlan_strip_queue_set = NULL,
 528         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 529         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 530         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 531         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 532         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 533         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 534         .rx_queue_count       = NULL,
 535         .rx_descriptor_done   = NULL,
 536         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 537         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 538         .dev_led_on           = NULL,
 539         .dev_led_off          = NULL,
 540         .flow_ctrl_get        = NULL,
 541         .flow_ctrl_set        = NULL,
 542         .priority_flow_ctrl_set = NULL,
 543         .mac_addr_add         = enicpmd_add_mac_addr,
 544         .mac_addr_remove      = enicpmd_remove_mac_addr,
 545         .fdir_add_signature_filter    = NULL,
 546         .fdir_update_signature_filter = NULL,
 547         .fdir_remove_signature_filter = NULL,
 548         .fdir_infos_get               = enicpmd_fdir_info_get,
 549         .fdir_add_perfect_filter      = enicpmd_fdir_add_perfect_filter,
 550         .fdir_update_perfect_filter   = enicpmd_fdir_add_perfect_filter,
 551         .fdir_remove_perfect_filter   = enicpmd_fdir_remove_perfect_filter,
 552         .fdir_set_masks               = NULL,
 553 };
 554
 555 struct enic *enicpmd_list_head = NULL;
 556 /* Initialize the driver
 557  * It returns 0 on success.
 558  */
 559 static int eth_enicpmd_dev_init(
 560         __attribute__((unused))struct eth_driver *eth_drv,
 561         struct rte_eth_dev *eth_dev)
 562 {
 563         struct rte_pci_device *pdev;
 564         struct rte_pci_addr *addr;
 565         struct enic *enic = pmd_priv(eth_dev);
 566
 567         ENICPMD_FUNC_TRACE();
 568
 569         enic->rte_dev = eth_dev;
 570         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 571         eth_dev->rx_pkt_burst = &enicpmd_recv_pkts;
 572         eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
 573
 574         pdev = eth_dev->pci_dev;
 575         enic->pdev = pdev;
 576         addr = &pdev->addr;
 577
 578         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 579                 addr->domain, addr->bus, addr->devid, addr->function);
 580
 581         return enic_probe(enic);
 582 }
 583
 584 static struct eth_driver rte_enic_pmd = {
 585         {
 586                 .name = "rte_enic_pmd",
 587                 .id_table = pci_id_enic_map,
 588                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 589         },
 590         .eth_dev_init = eth_enicpmd_dev_init,
 591         .dev_private_size = sizeof(struct enic),
 592 };
 593
 594 /* Driver initialization routine.
 595  * Invoked once at EAL init time.
 596  * Register as the [Poll Mode] Driver of Cisco ENIC device.
 597  */
 598 int rte_enic_pmd_init(const char *name __rte_unused,
 599         const char *params __rte_unused)
 600 {
 601         ENICPMD_FUNC_TRACE();
 602
 603         rte_eth_driver_register(&rte_enic_pmd);
 604         return 0;
 605 }
 606
 607 static struct rte_driver rte_enic_driver = {
 608         .type = PMD_PDEV,
 609         .init = rte_enic_pmd_init,
 610 };
 611
 612 PMD_REGISTER_DRIVER(rte_enic_driver);