app/test/virtual_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
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   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <rte_mbuf.h>
  35 #include <rte_ethdev.h>
  36 #include <rte_malloc.h>
  37 #include <rte_memcpy.h>
  38 #include <rte_memory.h>
  39 #include <rte_ring.h>
  40
  41 #include "virtual_pmd.h"
  42
  43 #define MAX_PKT_BURST 512
  44
  45 static const char *virtual_ethdev_driver_name = "Virtual PMD";
  46
  47 struct virtual_ethdev_private {
  48         struct eth_dev_ops dev_ops;
  49         struct rte_eth_stats eth_stats;
  50
  51         struct rte_ring *rx_queue;
  52         struct rte_ring *tx_queue;
  53
  54         int tx_burst_fail_count;
  55 };
  56
  57 struct virtual_ethdev_queue {
  58         int port_id;
  59         int queue_id;
  60 };
  61
  62 static int
  63 virtual_ethdev_start_success(struct rte_eth_dev *eth_dev __rte_unused)
  64 {
  65         eth_dev->data->dev_started = 1;
  66
  67         return 0;
  68 }
  69
  70 static int
  71 virtual_ethdev_start_fail(struct rte_eth_dev *eth_dev __rte_unused)
  72 {
  73         eth_dev->data->dev_started = 0;
  74
  75         return -1;
  76 }
  77 static void  virtual_ethdev_stop(struct rte_eth_dev *eth_dev __rte_unused)
  78 {
  79         void *pkt = NULL;
  80         struct virtual_ethdev_private *prv = eth_dev->data->dev_private;
  81
  82         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
  83         eth_dev->data->dev_started = 0;
  84         while (rte_ring_dequeue(prv->rx_queue, &pkt) != -ENOENT)
  85                 rte_pktmbuf_free(pkt);
  86
  87         while (rte_ring_dequeue(prv->tx_queue, &pkt) != -ENOENT)
  88                 rte_pktmbuf_free(pkt);
  89 }
  90
  91 static void
  92 virtual_ethdev_close(struct rte_eth_dev *dev __rte_unused)
  93 {}
  94
  95 static int
  96 virtual_ethdev_configure_success(struct rte_eth_dev *dev __rte_unused)
  97 {
  98         return 0;
  99 }
 100
 101 static int
 102 virtual_ethdev_configure_fail(struct rte_eth_dev *dev __rte_unused)
 103 {
 104         return -1;
 105 }
 106
 107 static void
 108 virtual_ethdev_info_get(struct rte_eth_dev *dev __rte_unused,
 109                 struct rte_eth_dev_info *dev_info)
 110 {
 111         dev_info->driver_name = virtual_ethdev_driver_name;
 112         dev_info->max_mac_addrs = 1;
 113
 114         dev_info->max_rx_pktlen = (uint32_t)2048;
 115
 116         dev_info->max_rx_queues = (uint16_t)128;
 117         dev_info->max_tx_queues = (uint16_t)512;
 118
 119         dev_info->min_rx_bufsize = 0;
 120         dev_info->pci_dev = NULL;
 121 }
 122
 123 static int
 124 virtual_ethdev_rx_queue_setup_success(struct rte_eth_dev *dev,
 125                 uint16_t rx_queue_id, uint16_t nb_rx_desc __rte_unused,
 126                 unsigned int socket_id,
 127                 const struct rte_eth_rxconf *rx_conf __rte_unused,
 128                 struct rte_mempool *mb_pool __rte_unused)
 129 {
 130         struct virtual_ethdev_queue *rx_q;
 131
 132         rx_q = (struct virtual_ethdev_queue *)rte_zmalloc_socket(NULL,
 133                         sizeof(struct virtual_ethdev_queue), 0, socket_id);
 134
 135         if (rx_q == NULL)
 136                 return -1;
 137
 138         rx_q->port_id = dev->data->port_id;
 139         rx_q->queue_id = rx_queue_id;
 140
 141         dev->data->rx_queues[rx_queue_id] = rx_q;
 142
 143         return 0;
 144 }
 145
 146 static int
 147 virtual_ethdev_rx_queue_setup_fail(struct rte_eth_dev *dev __rte_unused,
 148                 uint16_t rx_queue_id __rte_unused, uint16_t nb_rx_desc __rte_unused,
 149                 unsigned int socket_id __rte_unused,
 150                 const struct rte_eth_rxconf *rx_conf __rte_unused,
 151                 struct rte_mempool *mb_pool __rte_unused)
 152 {
 153         return -1;
 154 }
 155
 156 static int
 157 virtual_ethdev_tx_queue_setup_success(struct rte_eth_dev *dev,
 158                 uint16_t tx_queue_id, uint16_t nb_tx_desc __rte_unused,
 159                 unsigned int socket_id,
 160                 const struct rte_eth_txconf *tx_conf __rte_unused)
 161 {
 162         struct virtual_ethdev_queue *tx_q;
 163
 164         tx_q = (struct virtual_ethdev_queue *)rte_zmalloc_socket(NULL,
 165                         sizeof(struct virtual_ethdev_queue), 0, socket_id);
 166
 167         if (tx_q == NULL)
 168                 return -1;
 169
 170         tx_q->port_id = dev->data->port_id;
 171         tx_q->queue_id = tx_queue_id;
 172
 173         dev->data->tx_queues[tx_queue_id] = tx_q;
 174
 175         return 0;
 176 }
 177
 178 static int
 179 virtual_ethdev_tx_queue_setup_fail(struct rte_eth_dev *dev __rte_unused,
 180                 uint16_t tx_queue_id __rte_unused, uint16_t nb_tx_desc __rte_unused,
 181                 unsigned int socket_id __rte_unused,
 182                 const struct rte_eth_txconf *tx_conf __rte_unused)
 183 {
 184         return -1;
 185 }
 186
 187 static void
 188 virtual_ethdev_rx_queue_release(void *q __rte_unused)
 189 {
 190 }
 191
 192 static void
 193 virtual_ethdev_tx_queue_release(void *q __rte_unused)
 194 {
 195 }
 196
 197 static int
 198 virtual_ethdev_link_update_success(struct rte_eth_dev *bonded_eth_dev,
 199                 int wait_to_complete __rte_unused)
 200 {
 201         if (!bonded_eth_dev->data->dev_started)
 202                 bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
 203
 204         return 0;
 205 }
 206
 207 static int
 208 virtual_ethdev_link_update_fail(struct rte_eth_dev *bonded_eth_dev __rte_unused,
 209                 int wait_to_complete __rte_unused)
 210 {
 211         return -1;
 212 }
 213
 214 static void
 215 virtual_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 216 {
 217         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 218
 219         if (stats)
 220                 rte_memcpy(stats, &dev_private->eth_stats, sizeof(*stats));
 221 }
 222
 223 static void
 224 virtual_ethdev_stats_reset(struct rte_eth_dev *dev)
 225 {
 226         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 227         void *pkt = NULL;
 228
 229         while (rte_ring_dequeue(dev_private->tx_queue, &pkt) == -ENOBUFS)
 230                         rte_pktmbuf_free(pkt);
 231
 232         /* Reset internal statistics */
 233         memset(&dev_private->eth_stats, 0, sizeof(dev_private->eth_stats));
 234 }
 235
 236 static void
 237 virtual_ethdev_promiscuous_mode_enable(struct rte_eth_dev *dev __rte_unused)
 238 {}
 239
 240 static void
 241 virtual_ethdev_promiscuous_mode_disable(struct rte_eth_dev *dev __rte_unused)
 242 {}
 243
 244 static void
 245 virtual_ethdev_mac_address_set(__rte_unused struct rte_eth_dev *dev,
 246                                __rte_unused struct ether_addr *addr)
 247 {
 248 }
 249
 250 static const struct eth_dev_ops virtual_ethdev_default_dev_ops = {
 251         .dev_configure = virtual_ethdev_configure_success,
 252         .dev_start = virtual_ethdev_start_success,
 253         .dev_stop = virtual_ethdev_stop,
 254         .dev_close = virtual_ethdev_close,
 255         .dev_infos_get = virtual_ethdev_info_get,
 256         .rx_queue_setup = virtual_ethdev_rx_queue_setup_success,
 257         .tx_queue_setup = virtual_ethdev_tx_queue_setup_success,
 258         .rx_queue_release = virtual_ethdev_rx_queue_release,
 259         .tx_queue_release = virtual_ethdev_tx_queue_release,
 260         .link_update = virtual_ethdev_link_update_success,
 261         .mac_addr_set = virtual_ethdev_mac_address_set,
 262         .stats_get = virtual_ethdev_stats_get,
 263         .stats_reset = virtual_ethdev_stats_reset,
 264         .promiscuous_enable = virtual_ethdev_promiscuous_mode_enable,
 265         .promiscuous_disable = virtual_ethdev_promiscuous_mode_disable
 266 };
 267
 268 void
 269 virtual_ethdev_start_fn_set_success(uint8_t port_id, uint8_t success)
 270 {
 271         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 272         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 273         struct eth_dev_ops *dev_ops = &dev_private->dev_ops;
 274
 275         if (success)
 276                 dev_ops->dev_start = virtual_ethdev_start_success;
 277         else
 278                 dev_ops->dev_start = virtual_ethdev_start_fail;
 279
 280 }
 281
 282 void
 283 virtual_ethdev_configure_fn_set_success(uint8_t port_id, uint8_t success)
 284 {
 285         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 286         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 287         struct eth_dev_ops *dev_ops = &dev_private->dev_ops;
 288
 289         if (success)
 290                 dev_ops->dev_configure = virtual_ethdev_configure_success;
 291         else
 292                 dev_ops->dev_configure = virtual_ethdev_configure_fail;
 293 }
 294
 295 void
 296 virtual_ethdev_rx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 297 {
 298         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 299         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 300         struct eth_dev_ops *dev_ops = &dev_private->dev_ops;
 301
 302         if (success)
 303                 dev_ops->rx_queue_setup = virtual_ethdev_rx_queue_setup_success;
 304         else
 305                 dev_ops->rx_queue_setup = virtual_ethdev_rx_queue_setup_fail;
 306 }
 307
 308 void
 309 virtual_ethdev_tx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 310 {
 311         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 312         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 313         struct eth_dev_ops *dev_ops = &dev_private->dev_ops;
 314
 315         if (success)
 316                 dev_ops->tx_queue_setup = virtual_ethdev_tx_queue_setup_success;
 317         else
 318                 dev_ops->tx_queue_setup = virtual_ethdev_tx_queue_setup_fail;
 319 }
 320
 321 void
 322 virtual_ethdev_link_update_fn_set_success(uint8_t port_id, uint8_t success)
 323 {
 324         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 325         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 326         struct eth_dev_ops *dev_ops = &dev_private->dev_ops;
 327
 328         if (success)
 329                 dev_ops->link_update = virtual_ethdev_link_update_success;
 330         else
 331                 dev_ops->link_update = virtual_ethdev_link_update_fail;
 332 }
 333
 334
 335 static uint16_t
 336 virtual_ethdev_rx_burst_success(void *queue __rte_unused,
 337                                                          struct rte_mbuf **bufs,
 338                                                          uint16_t nb_pkts)
 339 {
 340         struct rte_eth_dev *vrtl_eth_dev;
 341         struct virtual_ethdev_queue *pq_map;
 342         struct virtual_ethdev_private *dev_private;
 343
 344         int rx_count, i;
 345
 346         pq_map = (struct virtual_ethdev_queue *)queue;
 347         vrtl_eth_dev = &rte_eth_devices[pq_map->port_id];
 348         dev_private = vrtl_eth_dev->data->dev_private;
 349
 350         rx_count = rte_ring_dequeue_burst(dev_private->rx_queue, (void **) bufs,
 351                         nb_pkts);
 352
 353         /* increments ipackets count */
 354         dev_private->eth_stats.ipackets += rx_count;
 355
 356         /* increments ibytes count */
 357         for (i = 0; i < rx_count; i++)
 358                 dev_private->eth_stats.ibytes += rte_pktmbuf_pkt_len(bufs[i]);
 359
 360         return rx_count;
 361 }
 362
 363 static uint16_t
 364 virtual_ethdev_rx_burst_fail(void *queue __rte_unused,
 365                                                          struct rte_mbuf **bufs __rte_unused,
 366                                                          uint16_t nb_pkts __rte_unused)
 367 {
 368         return 0;
 369 }
 370
 371 static uint16_t
 372 virtual_ethdev_tx_burst_success(void *queue, struct rte_mbuf **bufs,
 373                 uint16_t nb_pkts)
 374 {
 375         struct virtual_ethdev_queue *tx_q = (struct virtual_ethdev_queue *)queue;
 376
 377         struct rte_eth_dev *vrtl_eth_dev;
 378         struct virtual_ethdev_private *dev_private;
 379
 380         int i;
 381
 382         vrtl_eth_dev = &rte_eth_devices[tx_q->port_id];
 383         dev_private = vrtl_eth_dev->data->dev_private;
 384
 385         if (!vrtl_eth_dev->data->dev_link.link_status)
 386                 nb_pkts = 0;
 387         else
 388                 nb_pkts = rte_ring_enqueue_burst(dev_private->tx_queue, (void **)bufs,
 389                                 nb_pkts);
 390
 391         /* increment opacket count */
 392         dev_private->eth_stats.opackets += nb_pkts;
 393
 394         /* increment obytes count */
 395         for (i = 0; i < nb_pkts; i++)
 396                 dev_private->eth_stats.obytes += rte_pktmbuf_pkt_len(bufs[i]);
 397
 398         return nb_pkts;
 399 }
 400
 401 static uint16_t
 402 virtual_ethdev_tx_burst_fail(void *queue, struct rte_mbuf **bufs,
 403                 uint16_t nb_pkts)
 404 {
 405         struct rte_eth_dev *vrtl_eth_dev = NULL;
 406         struct virtual_ethdev_queue *tx_q = NULL;
 407         struct virtual_ethdev_private *dev_private = NULL;
 408
 409         int i;
 410
 411         tx_q = (struct virtual_ethdev_queue *)queue;
 412         vrtl_eth_dev = &rte_eth_devices[tx_q->port_id];
 413         dev_private = vrtl_eth_dev->data->dev_private;
 414
 415         if (dev_private->tx_burst_fail_count < nb_pkts) {
 416                 int successfully_txd = nb_pkts - dev_private->tx_burst_fail_count;
 417
 418                 /* increment opacket count */
 419                 dev_private->eth_stats.opackets += successfully_txd;
 420
 421                 /* free packets in burst */
 422                 for (i = 0; i < successfully_txd; i++) {
 423                         /* free packets in burst */
 424                         if (bufs[i] != NULL)
 425                                 rte_pktmbuf_free(bufs[i]);
 426
 427                         bufs[i] = NULL;
 428                 }
 429
 430                 return successfully_txd;
 431         }
 432
 433         return 0;
 434 }
 435
 436
 437 void
 438 virtual_ethdev_rx_burst_fn_set_success(uint8_t port_id, uint8_t success)
 439 {
 440         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 441
 442         if (success)
 443                 vrtl_eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_success;
 444         else
 445                 vrtl_eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_fail;
 446 }
 447
 448
 449 void
 450 virtual_ethdev_tx_burst_fn_set_success(uint8_t port_id, uint8_t success)
 451 {
 452         struct virtual_ethdev_private *dev_private = NULL;
 453         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 454
 455         dev_private = vrtl_eth_dev->data->dev_private;
 456
 457         if (success)
 458                 vrtl_eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_success;
 459         else
 460                 vrtl_eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_fail;
 461
 462         dev_private->tx_burst_fail_count = 0;
 463 }
 464
 465 void
 466 virtual_ethdev_tx_burst_fn_set_tx_pkt_fail_count(uint8_t port_id,
 467                 uint8_t packet_fail_count)
 468 {
 469         struct virtual_ethdev_private *dev_private = NULL;
 470         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 471
 472
 473         dev_private = vrtl_eth_dev->data->dev_private;
 474         dev_private->tx_burst_fail_count = packet_fail_count;
 475 }
 476
 477 void
 478 virtual_ethdev_set_link_status(uint8_t port_id, uint8_t link_status)
 479 {
 480         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 481
 482         vrtl_eth_dev->data->dev_link.link_status = link_status;
 483 }
 484
 485 void
 486 virtual_ethdev_simulate_link_status_interrupt(uint8_t port_id,
 487                 uint8_t link_status)
 488 {
 489         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 490
 491         vrtl_eth_dev->data->dev_link.link_status = link_status;
 492
 493         _rte_eth_dev_callback_process(vrtl_eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
 494 }
 495
 496 int
 497 virtual_ethdev_add_mbufs_to_rx_queue(uint8_t port_id,
 498                 struct rte_mbuf **pkt_burst, int burst_length)
 499 {
 500         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 501         struct virtual_ethdev_private *dev_private =
 502                         vrtl_eth_dev->data->dev_private;
 503
 504         return rte_ring_enqueue_burst(dev_private->rx_queue, (void **)pkt_burst,
 505                         burst_length);
 506 }
 507
 508 int
 509 virtual_ethdev_get_mbufs_from_tx_queue(uint8_t port_id,
 510                 struct rte_mbuf **pkt_burst, int burst_length)
 511 {
 512         struct virtual_ethdev_private *dev_private;
 513         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 514
 515         dev_private = vrtl_eth_dev->data->dev_private;
 516         return rte_ring_dequeue_burst(dev_private->tx_queue, (void **)pkt_burst,
 517                 burst_length);
 518 }
 519
 520 static uint8_t
 521 get_number_of_sockets(void)
 522 {
 523         int sockets = 0;
 524         int i;
 525         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 526
 527         for (i = 0; i < RTE_MAX_MEMSEG && ms[i].addr != NULL; i++) {
 528                 if (sockets < ms[i].socket_id)
 529                         sockets = ms[i].socket_id;
 530         }
 531         /* Number of sockets = maximum socket_id + 1 */
 532         return ++sockets;
 533 }
 534
 535 int
 536 virtual_ethdev_create(const char *name, struct ether_addr *mac_addr,
 537                 uint8_t socket_id, uint8_t isr_support)
 538 {
 539         struct rte_pci_device *pci_dev = NULL;
 540         struct rte_eth_dev *eth_dev = NULL;
 541         struct eth_driver *eth_drv = NULL;
 542         struct rte_pci_driver *pci_drv = NULL;
 543         struct rte_pci_id *id_table = NULL;
 544         struct virtual_ethdev_private *dev_private = NULL;
 545         char name_buf[RTE_RING_NAMESIZE];
 546
 547
 548         /* now do all data allocation - for eth_dev structure, dummy pci driver
 549          * and internal (dev_private) data
 550          */
 551
 552         if (socket_id >= get_number_of_sockets())
 553                 goto err;
 554
 555         pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
 556         if (pci_dev == NULL)
 557                 goto err;
 558
 559         eth_drv = rte_zmalloc_socket(name, sizeof(*eth_drv), 0, socket_id);
 560         if (eth_drv == NULL)
 561                 goto err;
 562
 563         pci_drv = rte_zmalloc_socket(name, sizeof(*pci_drv), 0, socket_id);
 564         if (pci_drv == NULL)
 565                 goto err;
 566
 567         id_table = rte_zmalloc_socket(name, sizeof(*id_table), 0, socket_id);
 568         if (id_table == NULL)
 569                 goto err;
 570         id_table->device_id = 0xBEEF;
 571
 572         dev_private = rte_zmalloc_socket(name, sizeof(*dev_private), 0, socket_id);
 573         if (dev_private == NULL)
 574                 goto err;
 575
 576         snprintf(name_buf, sizeof(name_buf), "%s_rxQ", name);
 577         dev_private->rx_queue = rte_ring_create(name_buf, MAX_PKT_BURST, socket_id,
 578                         0);
 579         if (dev_private->rx_queue == NULL)
 580                 goto err;
 581
 582         snprintf(name_buf, sizeof(name_buf), "%s_txQ", name);
 583         dev_private->tx_queue = rte_ring_create(name_buf, MAX_PKT_BURST, socket_id,
 584                         0);
 585         if (dev_private->tx_queue == NULL)
 586                 goto err;
 587
 588         /* reserve an ethdev entry */
 589         eth_dev = rte_eth_dev_allocate(name);
 590         if (eth_dev == NULL)
 591                 goto err;
 592
 593         pci_dev->device.numa_node = socket_id;
 594         pci_drv->driver.name = virtual_ethdev_driver_name;
 595         pci_drv->id_table = id_table;
 596
 597         if (isr_support)
 598                 pci_drv->drv_flags |= RTE_PCI_DRV_INTR_LSC;
 599         else
 600                 pci_drv->drv_flags &= ~RTE_PCI_DRV_INTR_LSC;
 601
 602
 603         eth_drv->pci_drv = (struct rte_pci_driver)(*pci_drv);
 604         eth_dev->driver = eth_drv;
 605
 606         eth_dev->data->nb_rx_queues = (uint16_t)1;
 607         eth_dev->data->nb_tx_queues = (uint16_t)1;
 608
 609         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 610
 611         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
 612         eth_dev->data->dev_link.link_speed = ETH_SPEED_NUM_10G;
 613         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 614
 615         eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0);
 616         if (eth_dev->data->mac_addrs == NULL)
 617                 goto err;
 618
 619         memcpy(eth_dev->data->mac_addrs, mac_addr,
 620                         sizeof(*eth_dev->data->mac_addrs));
 621
 622         eth_dev->data->dev_started = 0;
 623         eth_dev->data->promiscuous = 0;
 624         eth_dev->data->scattered_rx = 0;
 625         eth_dev->data->all_multicast = 0;
 626
 627         eth_dev->data->dev_private = dev_private;
 628
 629         /* Copy default device operation functions */
 630         dev_private->dev_ops = virtual_ethdev_default_dev_ops;
 631         eth_dev->dev_ops = &dev_private->dev_ops;
 632
 633         eth_dev->pci_dev = pci_dev;
 634         eth_dev->pci_dev->device.driver = &eth_drv->pci_drv.driver;
 635
 636         eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_success;
 637         eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_success;
 638
 639         return eth_dev->data->port_id;
 640
 641 err:
 642         rte_free(pci_dev);
 643         rte_free(pci_drv);
 644         rte_free(eth_drv);
 645         rte_free(id_table);
 646         rte_free(dev_private);
 647
 648         return -1;
 649 }