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  *
   7  *   Redistribution and use in source and binary forms, with or without
   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
  40 #include "virtual_pmd.h"
  41
  42 #define MAX_PKT_BURST 512
  43
  44 static const char *virtual_ethdev_driver_name = "Virtual PMD";
  45
  46 struct virtual_ethdev_private {
  47         struct rte_eth_stats eth_stats;
  48
  49         struct rte_mbuf *rx_pkt_burst[MAX_PKT_BURST];
  50         int rx_pkt_burst_len;
  51
  52         int tx_burst_fail_count;
  53 };
  54
  55 struct virtual_ethdev_queue {
  56         int port_id;
  57         int queue_id;
  58 };
  59
  60 static int
  61 virtual_ethdev_start_success(struct rte_eth_dev *eth_dev __rte_unused)
  62 {
  63         eth_dev->data->dev_started = 1;
  64
  65         return 0;
  66 }
  67
  68 static int
  69 virtual_ethdev_start_fail(struct rte_eth_dev *eth_dev __rte_unused)
  70 {
  71         eth_dev->data->dev_started = 0;
  72
  73         return -1;
  74 }
  75 static void  virtual_ethdev_stop(struct rte_eth_dev *eth_dev __rte_unused)
  76 {
  77         eth_dev->data->dev_link.link_status = 0;
  78         eth_dev->data->dev_started = 0;
  79 }
  80
  81 static void
  82 virtual_ethdev_close(struct rte_eth_dev *dev __rte_unused)
  83 {}
  84
  85 static int
  86 virtual_ethdev_configure_success(struct rte_eth_dev *dev __rte_unused)
  87 {
  88         return 0;
  89 }
  90
  91 static int
  92 virtual_ethdev_configure_fail(struct rte_eth_dev *dev __rte_unused)
  93 {
  94         return -1;
  95 }
  96
  97 static void
  98 virtual_ethdev_info_get(struct rte_eth_dev *dev __rte_unused,
  99                 struct rte_eth_dev_info *dev_info)
 100 {
 101         dev_info->driver_name = virtual_ethdev_driver_name;
 102         dev_info->max_mac_addrs = 1;
 103
 104         dev_info->max_rx_pktlen = (uint32_t)2048;
 105
 106         dev_info->max_rx_queues = (uint16_t)128;
 107         dev_info->max_tx_queues = (uint16_t)512;
 108
 109         dev_info->min_rx_bufsize = 0;
 110         dev_info->pci_dev = NULL;
 111 }
 112
 113 static int
 114 virtual_ethdev_rx_queue_setup_success(struct rte_eth_dev *dev,
 115                 uint16_t rx_queue_id, uint16_t nb_rx_desc __rte_unused,
 116                 unsigned int socket_id,
 117                 const struct rte_eth_rxconf *rx_conf __rte_unused,
 118                 struct rte_mempool *mb_pool __rte_unused)
 119 {
 120         struct virtual_ethdev_queue *rx_q;
 121
 122         rx_q = (struct virtual_ethdev_queue *)rte_zmalloc_socket(NULL,
 123                         sizeof(struct virtual_ethdev_queue), 0, socket_id);
 124
 125         if (rx_q == NULL)
 126                 return -1;
 127
 128         rx_q->port_id = dev->data->port_id;
 129         rx_q->queue_id = rx_queue_id;
 130
 131         dev->data->rx_queues[rx_queue_id] = rx_q;
 132
 133         return 0;
 134 }
 135
 136 static int
 137 virtual_ethdev_rx_queue_setup_fail(struct rte_eth_dev *dev __rte_unused,
 138                 uint16_t rx_queue_id __rte_unused, uint16_t nb_rx_desc __rte_unused,
 139                 unsigned int socket_id __rte_unused,
 140                 const struct rte_eth_rxconf *rx_conf __rte_unused,
 141                 struct rte_mempool *mb_pool __rte_unused)
 142 {
 143         return -1;
 144 }
 145
 146 static int
 147 virtual_ethdev_tx_queue_setup_success(struct rte_eth_dev *dev,
 148                 uint16_t tx_queue_id, uint16_t nb_tx_desc __rte_unused,
 149                 unsigned int socket_id,
 150                 const struct rte_eth_txconf *tx_conf __rte_unused)
 151 {
 152         struct virtual_ethdev_queue *tx_q;
 153
 154         tx_q = (struct virtual_ethdev_queue *)rte_zmalloc_socket(NULL,
 155                         sizeof(struct virtual_ethdev_queue), 0, socket_id);
 156
 157         if (tx_q == NULL)
 158                 return -1;
 159
 160         tx_q->port_id = dev->data->port_id;
 161         tx_q->queue_id = tx_queue_id;
 162
 163         dev->data->tx_queues[tx_queue_id] = tx_q;
 164
 165         return 0;
 166 }
 167
 168 static int
 169 virtual_ethdev_tx_queue_setup_fail(struct rte_eth_dev *dev __rte_unused,
 170                 uint16_t tx_queue_id __rte_unused, uint16_t nb_tx_desc __rte_unused,
 171                 unsigned int socket_id __rte_unused,
 172                 const struct rte_eth_txconf *tx_conf __rte_unused)
 173 {
 174         return -1;
 175 }
 176
 177 static void
 178 virtual_ethdev_rx_queue_release(void *q __rte_unused)
 179 {
 180 }
 181
 182 static void
 183 virtual_ethdev_tx_queue_release(void *q __rte_unused)
 184 {
 185 }
 186
 187 static int
 188 virtual_ethdev_link_update_success(struct rte_eth_dev *bonded_eth_dev,
 189                 int wait_to_complete __rte_unused)
 190 {
 191         if (!bonded_eth_dev->data->dev_started)
 192                 bonded_eth_dev->data->dev_link.link_status = 0;
 193
 194         return 0;
 195 }
 196
 197 static int
 198 virtual_ethdev_link_update_fail(struct rte_eth_dev *bonded_eth_dev __rte_unused,
 199                 int wait_to_complete __rte_unused)
 200 {
 201         return -1;
 202 }
 203
 204 static void
 205 virtual_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 206 {
 207         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 208
 209         if (stats)
 210                 rte_memcpy(stats, &dev_private->eth_stats, sizeof(*stats));
 211 }
 212
 213 static void
 214 virtual_ethdev_stats_reset(struct rte_eth_dev *dev)
 215 {
 216         struct virtual_ethdev_private *dev_private = dev->data->dev_private;
 217
 218         dev_private->rx_pkt_burst_len = 0;
 219
 220         /* Reset internal statistics */
 221         memset(&dev_private->eth_stats, 0, sizeof(dev_private->eth_stats));
 222 }
 223
 224 static void
 225 virtual_ethdev_promiscuous_mode_enable(struct rte_eth_dev *dev __rte_unused)
 226 {}
 227
 228 static void
 229 virtual_ethdev_promiscuous_mode_disable(struct rte_eth_dev *dev __rte_unused)
 230 {}
 231
 232
 233 static struct eth_dev_ops virtual_ethdev_default_dev_ops = {
 234                 .dev_configure = virtual_ethdev_configure_success,
 235                 .dev_start = virtual_ethdev_start_success,
 236                 .dev_stop = virtual_ethdev_stop,
 237                 .dev_close = virtual_ethdev_close,
 238                 .dev_infos_get = virtual_ethdev_info_get,
 239                 .rx_queue_setup = virtual_ethdev_rx_queue_setup_success,
 240                 .tx_queue_setup = virtual_ethdev_tx_queue_setup_success,
 241                 .rx_queue_release = virtual_ethdev_rx_queue_release,
 242                 .tx_queue_release = virtual_ethdev_tx_queue_release,
 243                 .link_update = virtual_ethdev_link_update_success,
 244                 .stats_get = virtual_ethdev_stats_get,
 245                 .stats_reset = virtual_ethdev_stats_reset,
 246                 .promiscuous_enable = virtual_ethdev_promiscuous_mode_enable,
 247                 .promiscuous_disable = virtual_ethdev_promiscuous_mode_disable
 248 };
 249
 250
 251 void
 252 virtual_ethdev_start_fn_set_success(uint8_t port_id, uint8_t success)
 253 {
 254         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 255
 256         if (success)
 257                 vrtl_eth_dev->dev_ops->dev_start = virtual_ethdev_start_success;
 258         else
 259                 vrtl_eth_dev->dev_ops->dev_start = virtual_ethdev_start_fail;
 260
 261 }
 262
 263 void
 264 virtual_ethdev_configure_fn_set_success(uint8_t port_id, uint8_t success)
 265 {
 266         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 267
 268         if (success)
 269                 vrtl_eth_dev->dev_ops->dev_configure = virtual_ethdev_configure_success;
 270         else
 271                 vrtl_eth_dev->dev_ops->dev_configure = virtual_ethdev_configure_fail;
 272 }
 273
 274 void
 275 virtual_ethdev_rx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 276 {
 277         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 278
 279         if (success)
 280                 vrtl_eth_dev->dev_ops->rx_queue_setup =
 281                                 virtual_ethdev_rx_queue_setup_success;
 282         else
 283                 vrtl_eth_dev->dev_ops->rx_queue_setup =
 284                                 virtual_ethdev_rx_queue_setup_fail;
 285 }
 286
 287 void
 288 virtual_ethdev_tx_queue_setup_fn_set_success(uint8_t port_id, uint8_t success)
 289 {
 290         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 291
 292         if (success)
 293                 vrtl_eth_dev->dev_ops->tx_queue_setup =
 294                                 virtual_ethdev_tx_queue_setup_success;
 295         else
 296                 vrtl_eth_dev->dev_ops->tx_queue_setup =
 297                                 virtual_ethdev_tx_queue_setup_fail;
 298 }
 299
 300 void
 301 virtual_ethdev_link_update_fn_set_success(uint8_t port_id, uint8_t success)
 302 {
 303         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 304
 305         if (success)
 306                 vrtl_eth_dev->dev_ops->link_update = virtual_ethdev_link_update_success;
 307         else
 308                 vrtl_eth_dev->dev_ops->link_update = virtual_ethdev_link_update_fail;
 309 }
 310
 311
 312 static uint16_t
 313 virtual_ethdev_rx_burst_success(void *queue __rte_unused,
 314                                                          struct rte_mbuf **bufs,
 315                                                          uint16_t nb_pkts)
 316 {
 317         struct rte_eth_dev *vrtl_eth_dev;
 318         struct virtual_ethdev_queue *pq_map;
 319         struct virtual_ethdev_private *dev_private;
 320
 321         int i;
 322
 323         pq_map = (struct virtual_ethdev_queue *)queue;
 324
 325         vrtl_eth_dev = &rte_eth_devices[pq_map->port_id];
 326
 327         dev_private = vrtl_eth_dev->data->dev_private;
 328
 329         if (dev_private->rx_pkt_burst_len > 0) {
 330                 if (dev_private->rx_pkt_burst_len < nb_pkts) {
 331
 332                         for (i = 0; i < dev_private->rx_pkt_burst_len; i++) {
 333                                 bufs[i] = dev_private->rx_pkt_burst[i];
 334                                 dev_private->rx_pkt_burst[i] = NULL;
 335                         }
 336
 337                         dev_private->eth_stats.ipackets = dev_private->rx_pkt_burst_len;
 338                 }
 339                 /* reset private burst values */
 340                 dev_private->rx_pkt_burst_len = 0;
 341         }
 342
 343         return dev_private->eth_stats.ipackets;
 344 }
 345
 346 static uint16_t
 347 virtual_ethdev_rx_burst_fail(void *queue __rte_unused,
 348                                                          struct rte_mbuf **bufs __rte_unused,
 349                                                          uint16_t nb_pkts __rte_unused)
 350 {
 351         return 0;
 352 }
 353
 354 static uint16_t
 355 virtual_ethdev_tx_burst_success(void *queue, struct rte_mbuf **bufs,
 356                 uint16_t nb_pkts)
 357 {
 358         struct virtual_ethdev_queue *tx_q = (struct virtual_ethdev_queue *)queue;
 359
 360         struct rte_eth_dev *vrtl_eth_dev;
 361         struct virtual_ethdev_private *dev_private;
 362
 363         int i;
 364
 365         vrtl_eth_dev = &rte_eth_devices[tx_q->port_id];
 366         dev_private = vrtl_eth_dev->data->dev_private;
 367
 368         if (vrtl_eth_dev->data->dev_link.link_status) {
 369                 /* increment opacket count */
 370                 dev_private->eth_stats.opackets += nb_pkts;
 371
 372                 /* free packets in burst */
 373                 for (i = 0; i < nb_pkts; i++)
 374                         rte_pktmbuf_free(bufs[i]);
 375
 376                 return nb_pkts;
 377         }
 378
 379         return 0;
 380 }
 381
 382 static uint16_t
 383 virtual_ethdev_tx_burst_fail(void *queue, struct rte_mbuf **bufs,
 384                 uint16_t nb_pkts)
 385 {
 386         struct rte_eth_dev *vrtl_eth_dev = NULL;
 387         struct virtual_ethdev_queue *tx_q = NULL;
 388         struct virtual_ethdev_private *dev_private = NULL;
 389
 390         int i;
 391
 392         tx_q = (struct virtual_ethdev_queue *)queue;
 393         vrtl_eth_dev = &rte_eth_devices[tx_q->port_id];
 394         dev_private = vrtl_eth_dev->data->dev_private;
 395
 396         if (dev_private->tx_burst_fail_count < nb_pkts) {
 397                 int successfully_txd = nb_pkts - dev_private->tx_burst_fail_count;
 398
 399                 /* increment opacket count */
 400                 dev_private->eth_stats.opackets += successfully_txd;
 401
 402                 /* free packets in burst */
 403                 for (i = 0; i < successfully_txd; i++) {
 404                         /* free packets in burst */
 405                         if (bufs[i] != NULL)
 406                                 rte_pktmbuf_free(bufs[i]);
 407
 408                         bufs[i] = NULL;
 409                 }
 410
 411                 return successfully_txd;
 412         }
 413
 414         return 0;
 415 }
 416
 417
 418 void
 419 virtual_ethdev_rx_burst_fn_set_success(uint8_t port_id, uint8_t success)
 420 {
 421         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 422
 423         if (success)
 424                 vrtl_eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_success;
 425         else
 426                 vrtl_eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_fail;
 427 }
 428
 429
 430 void
 431 virtual_ethdev_tx_burst_fn_set_success(uint8_t port_id, uint8_t success)
 432 {
 433         struct virtual_ethdev_private *dev_private = NULL;
 434         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 435
 436         dev_private = vrtl_eth_dev->data->dev_private;
 437
 438         if (success)
 439                 vrtl_eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_success;
 440         else
 441                 vrtl_eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_fail;
 442
 443         dev_private->tx_burst_fail_count = 0;
 444 }
 445
 446 void
 447 virtual_ethdev_tx_burst_fn_set_tx_pkt_fail_count(uint8_t port_id,
 448                 uint8_t packet_fail_count)
 449 {
 450         struct virtual_ethdev_private *dev_private = NULL;
 451         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 452
 453
 454         dev_private = vrtl_eth_dev->data->dev_private;
 455         dev_private->tx_burst_fail_count = packet_fail_count;
 456 }
 457
 458 void
 459 virtual_ethdev_simulate_link_status_interrupt(uint8_t port_id,
 460                 uint8_t link_status)
 461 {
 462         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 463
 464         vrtl_eth_dev->data->dev_link.link_status = link_status;
 465
 466         _rte_eth_dev_callback_process(vrtl_eth_dev, RTE_ETH_EVENT_INTR_LSC);
 467 }
 468
 469
 470
 471 void
 472 virtual_ethdev_add_mbufs_to_rx_queue(uint8_t port_id,
 473                 struct rte_mbuf **pkt_burst, int burst_length)
 474 {
 475         struct virtual_ethdev_private *dev_private = NULL;
 476         struct rte_eth_dev *vrtl_eth_dev = &rte_eth_devices[port_id];
 477
 478         int i;
 479
 480         dev_private = vrtl_eth_dev->data->dev_private;
 481
 482         for (i = 0; i < burst_length; i++)
 483                 dev_private->rx_pkt_burst[i] = pkt_burst[i];
 484
 485         dev_private->rx_pkt_burst_len = burst_length;
 486 }
 487
 488 static uint8_t
 489 get_number_of_sockets(void)
 490 {
 491         int sockets = 0;
 492         int i;
 493         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 494
 495         for (i = 0; i < RTE_MAX_MEMSEG && ms[i].addr != NULL; i++) {
 496                 if (sockets < ms[i].socket_id)
 497                         sockets = ms[i].socket_id;
 498         }
 499         /* Number of sockets = maximum socket_id + 1 */
 500         return ++sockets;
 501 }
 502
 503
 504 int
 505 virtual_ethdev_create(const char *name, struct ether_addr *mac_addr,
 506                 uint8_t socket_id)
 507 {
 508         struct rte_pci_device *pci_dev = NULL;
 509         struct rte_eth_dev *eth_dev = NULL;
 510         struct eth_driver *eth_drv = NULL;
 511         struct rte_pci_driver *pci_drv = NULL;
 512         struct eth_dev_ops *dev_ops = NULL;
 513         struct rte_pci_id *id_table = NULL;
 514         struct virtual_ethdev_private *dev_private = NULL;
 515
 516
 517         /* now do all data allocation - for eth_dev structure, dummy pci driver
 518          * and internal (dev_private) data
 519          */
 520
 521         if (socket_id >= get_number_of_sockets())
 522                 goto err;
 523
 524         pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
 525         if (pci_dev == NULL)
 526                 goto err;
 527
 528         eth_drv = rte_zmalloc_socket(name, sizeof(*eth_drv), 0, socket_id);
 529         if (eth_drv == NULL)
 530                 goto err;
 531
 532         pci_drv = rte_zmalloc_socket(name, sizeof(*pci_drv), 0, socket_id);
 533         if (pci_drv == NULL)
 534                 goto err;
 535
 536         dev_ops = rte_zmalloc_socket(name, sizeof(*dev_ops), 0, socket_id);
 537         if (dev_ops == NULL)
 538                 goto err;
 539
 540         id_table = rte_zmalloc_socket(name, sizeof(*id_table), 0, socket_id);
 541         if (id_table == NULL)
 542                 goto err;
 543
 544         dev_private = rte_zmalloc_socket(name, sizeof(*dev_private), 0, socket_id);
 545         if (dev_private == NULL)
 546                 goto err;
 547
 548         /* reserve an ethdev entry */
 549         eth_dev = rte_eth_dev_allocate(name);
 550         if (eth_dev == NULL)
 551                 goto err;
 552
 553         pci_dev->numa_node = socket_id;
 554         pci_drv->name = virtual_ethdev_driver_name;
 555         pci_drv->id_table = id_table;
 556         pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
 557
 558         eth_drv->pci_drv = (struct rte_pci_driver)(*pci_drv);
 559         eth_dev->driver = eth_drv;
 560
 561         eth_dev->data->nb_rx_queues = (uint16_t)1;
 562         eth_dev->data->nb_tx_queues = (uint16_t)1;
 563
 564         TAILQ_INIT(&(eth_dev->callbacks));
 565
 566         eth_dev->data->dev_link.link_status = 0;
 567         eth_dev->data->dev_link.link_speed = ETH_LINK_SPEED_10000;
 568         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 569
 570         eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0);
 571         if (eth_dev->data->mac_addrs == NULL)
 572                 goto err;
 573
 574         memcpy(eth_dev->data->mac_addrs, mac_addr,
 575                         sizeof(*eth_dev->data->mac_addrs));
 576         eth_dev->data->mac_addrs->addr_bytes[5] = eth_dev->data->port_id;
 577
 578         eth_dev->data->dev_started = 0;
 579         eth_dev->data->promiscuous = 0;
 580         eth_dev->data->scattered_rx = 0;
 581         eth_dev->data->all_multicast = 0;
 582
 583         memset(dev_private, 0, sizeof(*dev_private));
 584         eth_dev->data->dev_private = dev_private;
 585
 586         eth_dev->dev_ops = dev_ops;
 587
 588         /* Copy default device operation functions */
 589         memcpy(eth_dev->dev_ops, &virtual_ethdev_default_dev_ops,
 590                         sizeof(*eth_dev->dev_ops));
 591
 592         eth_dev->pci_dev = pci_dev;
 593         eth_dev->pci_dev->driver = &eth_drv->pci_drv;
 594
 595         eth_dev->pci_dev->driver->id_table->device_id = 0xBEEF;
 596
 597         eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_success;
 598         eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_success;
 599
 600         return eth_dev->data->port_id;
 601
 602 err:
 603         if (pci_dev)
 604                 rte_free(pci_dev);
 605         if (pci_drv)
 606                 rte_free(pci_drv);
 607         if (eth_drv)
 608                 rte_free(eth_drv);
 609         if (dev_ops)
 610                 rte_free(dev_ops);
 611         if (id_table)
 612                 rte_free(id_table);
 613         if (dev_private)
 614                 rte_free(dev_private);
 615
 616         return -1;
 617 }