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 int enicpmd_logtype_init;
  53 int enicpmd_logtype_flow;
  54
  55 #define PMD_INIT_LOG(level, fmt, args...) \
  56         rte_log(RTE_LOG_ ## level, enicpmd_logtype_init, \
  57                 "%s" fmt "\n", __func__, ##args)
  58
  59 #define ENICPMD_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
  60
  61 /*
  62  * The set of PCI devices this driver supports
  63  */
  64 #define CISCO_PCI_VENDOR_ID 0x1137
  65 static const struct rte_pci_id pci_id_enic_map[] = {
  66         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
  67         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
  68         {.vendor_id = 0, /* sentinel */},
  69 };
  70
  71 RTE_INIT(enicpmd_init_log);
  72 static void
  73 enicpmd_init_log(void)
  74 {
  75         enicpmd_logtype_init = rte_log_register("pmd.enic.init");
  76         if (enicpmd_logtype_init >= 0)
  77                 rte_log_set_level(enicpmd_logtype_init, RTE_LOG_NOTICE);
  78         enicpmd_logtype_flow = rte_log_register("pmd.enic.flow");
  79         if (enicpmd_logtype_flow >= 0)
  80                 rte_log_set_level(enicpmd_logtype_flow, RTE_LOG_NOTICE);
  81 }
  82
  83 static int
  84 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
  85                         enum rte_filter_op filter_op, void *arg)
  86 {
  87         struct enic *enic = pmd_priv(eth_dev);
  88         int ret = 0;
  89
  90         ENICPMD_FUNC_TRACE();
  91         if (filter_op == RTE_ETH_FILTER_NOP)
  92                 return 0;
  93
  94         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
  95                 return -EINVAL;
  96
  97         switch (filter_op) {
  98         case RTE_ETH_FILTER_ADD:
  99         case RTE_ETH_FILTER_UPDATE:
 100                 ret = enic_fdir_add_fltr(enic,
 101                         (struct rte_eth_fdir_filter *)arg);
 102                 break;
 103
 104         case RTE_ETH_FILTER_DELETE:
 105                 ret = enic_fdir_del_fltr(enic,
 106                         (struct rte_eth_fdir_filter *)arg);
 107                 break;
 108
 109         case RTE_ETH_FILTER_STATS:
 110                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
 111                 break;
 112
 113         case RTE_ETH_FILTER_FLUSH:
 114                 dev_warning(enic, "unsupported operation %u", filter_op);
 115                 ret = -ENOTSUP;
 116                 break;
 117         case RTE_ETH_FILTER_INFO:
 118                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
 119                 break;
 120         default:
 121                 dev_err(enic, "unknown operation %u", filter_op);
 122                 ret = -EINVAL;
 123                 break;
 124         }
 125         return ret;
 126 }
 127
 128 static int
 129 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
 130                      enum rte_filter_type filter_type,
 131                      enum rte_filter_op filter_op,
 132                      void *arg)
 133 {
 134         int ret = 0;
 135
 136         ENICPMD_FUNC_TRACE();
 137
 138         switch (filter_type) {
 139         case RTE_ETH_FILTER_GENERIC:
 140                 if (filter_op != RTE_ETH_FILTER_GET)
 141                         return -EINVAL;
 142                 *(const void **)arg = &enic_flow_ops;
 143                 break;
 144         case RTE_ETH_FILTER_FDIR:
 145                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
 146                 break;
 147         default:
 148                 dev_warning(enic, "Filter type (%d) not supported",
 149                         filter_type);
 150                 ret = -EINVAL;
 151                 break;
 152         }
 153
 154         return ret;
 155 }
 156
 157 static void enicpmd_dev_tx_queue_release(void *txq)
 158 {
 159         ENICPMD_FUNC_TRACE();
 160
 161         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 162                 return;
 163
 164         enic_free_wq(txq);
 165 }
 166
 167 static int enicpmd_dev_setup_intr(struct enic *enic)
 168 {
 169         int ret;
 170         unsigned int index;
 171
 172         ENICPMD_FUNC_TRACE();
 173
 174         /* Are we done with the init of all the queues? */
 175         for (index = 0; index < enic->cq_count; index++) {
 176                 if (!enic->cq[index].ctrl)
 177                         break;
 178         }
 179         if (enic->cq_count != index)
 180                 return 0;
 181         for (index = 0; index < enic->wq_count; index++) {
 182                 if (!enic->wq[index].ctrl)
 183                         break;
 184         }
 185         if (enic->wq_count != index)
 186                 return 0;
 187         /* check start of packet (SOP) RQs only in case scatter is disabled. */
 188         for (index = 0; index < enic->rq_count; index++) {
 189                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
 190                         break;
 191         }
 192         if (enic->rq_count != index)
 193                 return 0;
 194
 195         ret = enic_alloc_intr_resources(enic);
 196         if (ret) {
 197                 dev_err(enic, "alloc intr failed\n");
 198                 return ret;
 199         }
 200         enic_init_vnic_resources(enic);
 201
 202         ret = enic_setup_finish(enic);
 203         if (ret)
 204                 dev_err(enic, "setup could not be finished\n");
 205
 206         return ret;
 207 }
 208
 209 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 210         uint16_t queue_idx,
 211         uint16_t nb_desc,
 212         unsigned int socket_id,
 213         __rte_unused const struct rte_eth_txconf *tx_conf)
 214 {
 215         int ret;
 216         struct enic *enic = pmd_priv(eth_dev);
 217
 218         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 219                 return -E_RTE_SECONDARY;
 220
 221         ENICPMD_FUNC_TRACE();
 222         if (queue_idx >= ENIC_WQ_MAX) {
 223                 dev_err(enic,
 224                         "Max number of TX queues exceeded.  Max is %d\n",
 225                         ENIC_WQ_MAX);
 226                 return -EINVAL;
 227         }
 228
 229         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
 230
 231         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
 232         if (ret) {
 233                 dev_err(enic, "error in allocating wq\n");
 234                 return ret;
 235         }
 236
 237         return enicpmd_dev_setup_intr(enic);
 238 }
 239
 240 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 241         uint16_t queue_idx)
 242 {
 243         struct enic *enic = pmd_priv(eth_dev);
 244
 245         ENICPMD_FUNC_TRACE();
 246
 247         enic_start_wq(enic, queue_idx);
 248
 249         return 0;
 250 }
 251
 252 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 253         uint16_t queue_idx)
 254 {
 255         int ret;
 256         struct enic *enic = pmd_priv(eth_dev);
 257
 258         ENICPMD_FUNC_TRACE();
 259
 260         ret = enic_stop_wq(enic, queue_idx);
 261         if (ret)
 262                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
 263
 264         return ret;
 265 }
 266
 267 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 268         uint16_t queue_idx)
 269 {
 270         struct enic *enic = pmd_priv(eth_dev);
 271
 272         ENICPMD_FUNC_TRACE();
 273
 274         enic_start_rq(enic, queue_idx);
 275
 276         return 0;
 277 }
 278
 279 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 280         uint16_t queue_idx)
 281 {
 282         int ret;
 283         struct enic *enic = pmd_priv(eth_dev);
 284
 285         ENICPMD_FUNC_TRACE();
 286
 287         ret = enic_stop_rq(enic, queue_idx);
 288         if (ret)
 289                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
 290
 291         return ret;
 292 }
 293
 294 static void enicpmd_dev_rx_queue_release(void *rxq)
 295 {
 296         ENICPMD_FUNC_TRACE();
 297
 298         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 299                 return;
 300
 301         enic_free_rq(rxq);
 302 }
 303
 304 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
 305                                            uint16_t rx_queue_id)
 306 {
 307         struct enic *enic = pmd_priv(dev);
 308         uint32_t queue_count = 0;
 309         struct vnic_cq *cq;
 310         uint32_t cq_tail;
 311         uint16_t cq_idx;
 312         int rq_num;
 313
 314         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
 315         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
 316         cq_idx = cq->to_clean;
 317
 318         cq_tail = ioread32(&cq->ctrl->cq_tail);
 319
 320         if (cq_tail < cq_idx)
 321                 cq_tail += cq->ring.desc_count;
 322
 323         queue_count = cq_tail - cq_idx;
 324
 325         return queue_count;
 326 }
 327
 328 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 329         uint16_t queue_idx,
 330         uint16_t nb_desc,
 331         unsigned int socket_id,
 332         const struct rte_eth_rxconf *rx_conf,
 333         struct rte_mempool *mp)
 334 {
 335         int ret;
 336         struct enic *enic = pmd_priv(eth_dev);
 337
 338         ENICPMD_FUNC_TRACE();
 339
 340         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 341                 return -E_RTE_SECONDARY;
 342
 343         /* With Rx scatter support, two RQs are now used on VIC per RQ used
 344          * by the application.
 345          */
 346         if (queue_idx * 2 >= ENIC_RQ_MAX) {
 347                 dev_err(enic,
 348                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
 349                         ENIC_RQ_MAX);
 350                 return -EINVAL;
 351         }
 352
 353         eth_dev->data->rx_queues[queue_idx] =
 354                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
 355
 356         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
 357                             rx_conf->rx_free_thresh);
 358         if (ret) {
 359                 dev_err(enic, "error in allocating rq\n");
 360                 return ret;
 361         }
 362
 363         return enicpmd_dev_setup_intr(enic);
 364 }
 365
 366 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
 367         uint16_t vlan_id, int on)
 368 {
 369         struct enic *enic = pmd_priv(eth_dev);
 370         int err;
 371
 372         ENICPMD_FUNC_TRACE();
 373         if (on)
 374                 err = enic_add_vlan(enic, vlan_id);
 375         else
 376                 err = enic_del_vlan(enic, vlan_id);
 377         return err;
 378 }
 379
 380 static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 381 {
 382         struct enic *enic = pmd_priv(eth_dev);
 383
 384         ENICPMD_FUNC_TRACE();
 385
 386         if (mask & ETH_VLAN_STRIP_MASK) {
 387                 if (eth_dev->data->dev_conf.rxmode.offloads &
 388                     DEV_RX_OFFLOAD_VLAN_STRIP)
 389                         enic->ig_vlan_strip_en = 1;
 390                 else
 391                         enic->ig_vlan_strip_en = 0;
 392         }
 393         enic_set_rss_nic_cfg(enic);
 394
 395
 396         if (mask & ETH_VLAN_FILTER_MASK) {
 397                 dev_warning(enic,
 398                         "Configuration of VLAN filter is not supported\n");
 399         }
 400
 401         if (mask & ETH_VLAN_EXTEND_MASK) {
 402                 dev_warning(enic,
 403                         "Configuration of extended VLAN is not supported\n");
 404         }
 405
 406         return 0;
 407 }
 408
 409 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
 410 {
 411         int ret;
 412         struct enic *enic = pmd_priv(eth_dev);
 413
 414         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 415                 return -E_RTE_SECONDARY;
 416
 417         ENICPMD_FUNC_TRACE();
 418         ret = enic_set_vnic_res(enic);
 419         if (ret) {
 420                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
 421                 return ret;
 422         }
 423
 424         enic->hw_ip_checksum = !!(eth_dev->data->dev_conf.rxmode.offloads &
 425                                   DEV_RX_OFFLOAD_CHECKSUM);
 426         ret = enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
 427
 428         return ret;
 429 }
 430
 431 /* Start the device.
 432  * It returns 0 on success.
 433  */
 434 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
 435 {
 436         struct enic *enic = pmd_priv(eth_dev);
 437
 438         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 439                 return -E_RTE_SECONDARY;
 440
 441         ENICPMD_FUNC_TRACE();
 442         return enic_enable(enic);
 443 }
 444
 445 /*
 446  * Stop device: disable rx and tx functions to allow for reconfiguring.
 447  */
 448 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 449 {
 450         struct rte_eth_link link;
 451         struct enic *enic = pmd_priv(eth_dev);
 452
 453         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 454                 return;
 455
 456         ENICPMD_FUNC_TRACE();
 457         enic_disable(enic);
 458         memset(&link, 0, sizeof(link));
 459         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
 460                 *(uint64_t *)&eth_dev->data->dev_link,
 461                 *(uint64_t *)&link);
 462 }
 463
 464 /*
 465  * Stop device.
 466  */
 467 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
 468 {
 469         struct enic *enic = pmd_priv(eth_dev);
 470
 471         ENICPMD_FUNC_TRACE();
 472         enic_remove(enic);
 473 }
 474
 475 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
 476         __rte_unused int wait_to_complete)
 477 {
 478         struct enic *enic = pmd_priv(eth_dev);
 479
 480         ENICPMD_FUNC_TRACE();
 481         return enic_link_update(enic);
 482 }
 483
 484 static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
 485         struct rte_eth_stats *stats)
 486 {
 487         struct enic *enic = pmd_priv(eth_dev);
 488
 489         ENICPMD_FUNC_TRACE();
 490         return enic_dev_stats_get(enic, stats);
 491 }
 492
 493 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
 494 {
 495         struct enic *enic = pmd_priv(eth_dev);
 496
 497         ENICPMD_FUNC_TRACE();
 498         enic_dev_stats_clear(enic);
 499 }
 500
 501 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 502         struct rte_eth_dev_info *device_info)
 503 {
 504         struct enic *enic = pmd_priv(eth_dev);
 505
 506         ENICPMD_FUNC_TRACE();
 507         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 508         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
 509         device_info->max_rx_queues = enic->conf_rq_count / 2;
 510         device_info->max_tx_queues = enic->conf_wq_count;
 511         device_info->min_rx_bufsize = ENIC_MIN_MTU;
 512         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
 513         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
 514         device_info->rx_offload_capa =
 515                 DEV_RX_OFFLOAD_VLAN_STRIP |
 516                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 517                 DEV_RX_OFFLOAD_UDP_CKSUM  |
 518                 DEV_RX_OFFLOAD_TCP_CKSUM;
 519         device_info->tx_offload_capa =
 520                 DEV_TX_OFFLOAD_VLAN_INSERT |
 521                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
 522                 DEV_TX_OFFLOAD_UDP_CKSUM   |
 523                 DEV_TX_OFFLOAD_TCP_CKSUM   |
 524                 DEV_TX_OFFLOAD_TCP_TSO;
 525         device_info->default_rxconf = (struct rte_eth_rxconf) {
 526                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
 527         };
 528 }
 529
 530 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 531 {
 532         static const uint32_t ptypes[] = {
 533                 RTE_PTYPE_L2_ETHER,
 534                 RTE_PTYPE_L2_ETHER_VLAN,
 535                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
 536                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
 537                 RTE_PTYPE_L4_TCP,
 538                 RTE_PTYPE_L4_UDP,
 539                 RTE_PTYPE_L4_FRAG,
 540                 RTE_PTYPE_L4_NONFRAG,
 541                 RTE_PTYPE_UNKNOWN
 542         };
 543
 544         if (dev->rx_pkt_burst == enic_recv_pkts)
 545                 return ptypes;
 546         return NULL;
 547 }
 548
 549 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 550 {
 551         struct enic *enic = pmd_priv(eth_dev);
 552
 553         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 554                 return;
 555
 556         ENICPMD_FUNC_TRACE();
 557
 558         enic->promisc = 1;
 559         enic_add_packet_filter(enic);
 560 }
 561
 562 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 563 {
 564         struct enic *enic = pmd_priv(eth_dev);
 565
 566         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 567                 return;
 568
 569         ENICPMD_FUNC_TRACE();
 570         enic->promisc = 0;
 571         enic_add_packet_filter(enic);
 572 }
 573
 574 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 575 {
 576         struct enic *enic = pmd_priv(eth_dev);
 577
 578         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 579                 return;
 580
 581         ENICPMD_FUNC_TRACE();
 582         enic->allmulti = 1;
 583         enic_add_packet_filter(enic);
 584 }
 585
 586 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 587 {
 588         struct enic *enic = pmd_priv(eth_dev);
 589
 590         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 591                 return;
 592
 593         ENICPMD_FUNC_TRACE();
 594         enic->allmulti = 0;
 595         enic_add_packet_filter(enic);
 596 }
 597
 598 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
 599         struct ether_addr *mac_addr,
 600         __rte_unused uint32_t index, __rte_unused uint32_t pool)
 601 {
 602         struct enic *enic = pmd_priv(eth_dev);
 603
 604         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 605                 return -E_RTE_SECONDARY;
 606
 607         ENICPMD_FUNC_TRACE();
 608         return enic_set_mac_address(enic, mac_addr->addr_bytes);
 609 }
 610
 611 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
 612 {
 613         struct enic *enic = pmd_priv(eth_dev);
 614
 615         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 616                 return;
 617
 618         ENICPMD_FUNC_TRACE();
 619         enic_del_mac_address(enic, index);
 620 }
 621
 622 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 623 {
 624         struct enic *enic = pmd_priv(eth_dev);
 625
 626         ENICPMD_FUNC_TRACE();
 627         return enic_set_mtu(enic, mtu);
 628 }
 629
 630 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
 631         .dev_configure        = enicpmd_dev_configure,
 632         .dev_start            = enicpmd_dev_start,
 633         .dev_stop             = enicpmd_dev_stop,
 634         .dev_set_link_up      = NULL,
 635         .dev_set_link_down    = NULL,
 636         .dev_close            = enicpmd_dev_close,
 637         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
 638         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
 639         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
 640         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
 641         .link_update          = enicpmd_dev_link_update,
 642         .stats_get            = enicpmd_dev_stats_get,
 643         .stats_reset          = enicpmd_dev_stats_reset,
 644         .queue_stats_mapping_set = NULL,
 645         .dev_infos_get        = enicpmd_dev_info_get,
 646         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
 647         .mtu_set              = enicpmd_mtu_set,
 648         .vlan_filter_set      = enicpmd_vlan_filter_set,
 649         .vlan_tpid_set        = NULL,
 650         .vlan_offload_set     = enicpmd_vlan_offload_set,
 651         .vlan_strip_queue_set = NULL,
 652         .rx_queue_start       = enicpmd_dev_rx_queue_start,
 653         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
 654         .tx_queue_start       = enicpmd_dev_tx_queue_start,
 655         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
 656         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
 657         .rx_queue_release     = enicpmd_dev_rx_queue_release,
 658         .rx_queue_count       = enicpmd_dev_rx_queue_count,
 659         .rx_descriptor_done   = NULL,
 660         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
 661         .tx_queue_release     = enicpmd_dev_tx_queue_release,
 662         .dev_led_on           = NULL,
 663         .dev_led_off          = NULL,
 664         .flow_ctrl_get        = NULL,
 665         .flow_ctrl_set        = NULL,
 666         .priority_flow_ctrl_set = NULL,
 667         .mac_addr_add         = enicpmd_add_mac_addr,
 668         .mac_addr_remove      = enicpmd_remove_mac_addr,
 669         .filter_ctrl          = enicpmd_dev_filter_ctrl,
 670 };
 671
 672 struct enic *enicpmd_list_head = NULL;
 673 /* Initialize the driver
 674  * It returns 0 on success.
 675  */
 676 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
 677 {
 678         struct rte_pci_device *pdev;
 679         struct rte_pci_addr *addr;
 680         struct enic *enic = pmd_priv(eth_dev);
 681
 682         ENICPMD_FUNC_TRACE();
 683
 684         enic->port_id = eth_dev->data->port_id;
 685         enic->rte_dev = eth_dev;
 686         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
 687         eth_dev->rx_pkt_burst = &enic_recv_pkts;
 688         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
 689
 690         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
 691         rte_eth_copy_pci_info(eth_dev, pdev);
 692         enic->pdev = pdev;
 693         addr = &pdev->addr;
 694
 695         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
 696                 addr->domain, addr->bus, addr->devid, addr->function);
 697
 698         return enic_probe(enic);
 699 }
 700
 701 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 702         struct rte_pci_device *pci_dev)
 703 {
 704         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
 705                 eth_enicpmd_dev_init);
 706 }
 707
 708 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
 709 {
 710         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
 711 }
 712
 713 static struct rte_pci_driver rte_enic_pmd = {
 714         .id_table = pci_id_enic_map,
 715         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
 716         .probe = eth_enic_pci_probe,
 717         .remove = eth_enic_pci_remove,
 718 };
 719
 720 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
 721 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
 722 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");