lib/librte_ether/rte_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2017 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 <sys/types.h>
  35 #include <sys/queue.h>
  36 #include <ctype.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #include <errno.h>
  42 #include <stdint.h>
  43 #include <inttypes.h>
  44 #include <netinet/in.h>
  45
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_interrupts.h>
  50 #include <rte_pci.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_launch.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_common.h>
  61 #include <rte_mempool.h>
  62 #include <rte_malloc.h>
  63 #include <rte_mbuf.h>
  64 #include <rte_errno.h>
  65 #include <rte_spinlock.h>
  66 #include <rte_string_fns.h>
  67
  68 #include "rte_ether.h"
  69 #include "rte_ethdev.h"
  70 #include "ethdev_profile.h"
  71
  72 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  73 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  74 static struct rte_eth_dev_data *rte_eth_dev_data;
  75 static uint8_t eth_dev_last_created_port;
  76
  77 /* spinlock for eth device callbacks */
  78 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  79
  80 /* spinlock for add/remove rx callbacks */
  81 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  82
  83 /* spinlock for add/remove tx callbacks */
  84 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  85
  86 /* store statistics names and its offset in stats structure  */
  87 struct rte_eth_xstats_name_off {
  88         char name[RTE_ETH_XSTATS_NAME_SIZE];
  89         unsigned offset;
  90 };
  91
  92 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  93         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  94         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  95         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  96         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  97         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  98         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  99         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
 100                 rx_nombuf)},
 101 };
 102
 103 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
 104
 105 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 106         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
 107         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 108         {"errors", offsetof(struct rte_eth_stats, q_errors)},
 109 };
 110
 111 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 112                 sizeof(rte_rxq_stats_strings[0]))
 113
 114 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 115         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 116         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 117 };
 118 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 119                 sizeof(rte_txq_stats_strings[0]))
 120
 121
 122 /**
 123  * The user application callback description.
 124  *
 125  * It contains callback address to be registered by user application,
 126  * the pointer to the parameters for callback, and the event type.
 127  */
 128 struct rte_eth_dev_callback {
 129         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 130         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 131         void *cb_arg;                           /**< Parameter for callback */
 132         void *ret_param;                        /**< Return parameter */
 133         enum rte_eth_event_type event;          /**< Interrupt event type */
 134         uint32_t active;                        /**< Callback is executing */
 135 };
 136
 137 enum {
 138         STAT_QMAP_TX = 0,
 139         STAT_QMAP_RX
 140 };
 141
 142 uint8_t
 143 rte_eth_find_next(uint8_t port_id)
 144 {
 145         while (port_id < RTE_MAX_ETHPORTS &&
 146                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED)
 147                 port_id++;
 148
 149         if (port_id >= RTE_MAX_ETHPORTS)
 150                 return RTE_MAX_ETHPORTS;
 151
 152         return port_id;
 153 }
 154
 155 static void
 156 rte_eth_dev_data_alloc(void)
 157 {
 158         const unsigned flags = 0;
 159         const struct rte_memzone *mz;
 160
 161         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 162                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 163                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
 164                                 rte_socket_id(), flags);
 165         } else
 166                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 167         if (mz == NULL)
 168                 rte_panic("Cannot allocate memzone for ethernet port data\n");
 169
 170         rte_eth_dev_data = mz->addr;
 171         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 172                 memset(rte_eth_dev_data, 0,
 173                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
 174 }
 175
 176 struct rte_eth_dev *
 177 rte_eth_dev_allocated(const char *name)
 178 {
 179         unsigned i;
 180
 181         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 182                 if (rte_eth_devices[i].state == RTE_ETH_DEV_ATTACHED &&
 183                                 rte_eth_devices[i].device) {
 184                         if (!strcmp(rte_eth_devices[i].device->name, name))
 185                                 return &rte_eth_devices[i];
 186                 }
 187         }
 188         return NULL;
 189 }
 190
 191 static uint8_t
 192 rte_eth_dev_find_free_port(void)
 193 {
 194         unsigned i;
 195
 196         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 197                 if (rte_eth_devices[i].state == RTE_ETH_DEV_UNUSED)
 198                         return i;
 199         }
 200         return RTE_MAX_ETHPORTS;
 201 }
 202
 203 static struct rte_eth_dev *
 204 eth_dev_get(uint8_t port_id)
 205 {
 206         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 207
 208         eth_dev->data = &rte_eth_dev_data[port_id];
 209         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 210         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 211
 212         eth_dev_last_created_port = port_id;
 213
 214         return eth_dev;
 215 }
 216
 217 struct rte_eth_dev *
 218 rte_eth_dev_allocate(const char *name)
 219 {
 220         uint8_t port_id;
 221         struct rte_eth_dev *eth_dev;
 222
 223         port_id = rte_eth_dev_find_free_port();
 224         if (port_id == RTE_MAX_ETHPORTS) {
 225                 RTE_PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
 226                 return NULL;
 227         }
 228
 229         if (rte_eth_dev_data == NULL)
 230                 rte_eth_dev_data_alloc();
 231
 232         if (rte_eth_dev_allocated(name) != NULL) {
 233                 RTE_PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n",
 234                                 name);
 235                 return NULL;
 236         }
 237
 238         memset(&rte_eth_dev_data[port_id], 0, sizeof(struct rte_eth_dev_data));
 239         eth_dev = eth_dev_get(port_id);
 240         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 241         eth_dev->data->port_id = port_id;
 242         eth_dev->data->mtu = ETHER_MTU;
 243
 244         return eth_dev;
 245 }
 246
 247 /*
 248  * Attach to a port already registered by the primary process, which
 249  * makes sure that the same device would have the same port id both
 250  * in the primary and secondary process.
 251  */
 252 struct rte_eth_dev *
 253 rte_eth_dev_attach_secondary(const char *name)
 254 {
 255         uint8_t i;
 256         struct rte_eth_dev *eth_dev;
 257
 258         if (rte_eth_dev_data == NULL)
 259                 rte_eth_dev_data_alloc();
 260
 261         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 262                 if (strcmp(rte_eth_dev_data[i].name, name) == 0)
 263                         break;
 264         }
 265         if (i == RTE_MAX_ETHPORTS) {
 266                 RTE_PMD_DEBUG_TRACE(
 267                         "device %s is not driven by the primary process\n",
 268                         name);
 269                 return NULL;
 270         }
 271
 272         eth_dev = eth_dev_get(i);
 273         RTE_ASSERT(eth_dev->data->port_id == i);
 274
 275         return eth_dev;
 276 }
 277
 278 int
 279 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 280 {
 281         if (eth_dev == NULL)
 282                 return -EINVAL;
 283
 284         eth_dev->state = RTE_ETH_DEV_UNUSED;
 285         return 0;
 286 }
 287
 288 int
 289 rte_eth_dev_is_valid_port(uint8_t port_id)
 290 {
 291         if (port_id >= RTE_MAX_ETHPORTS ||
 292             (rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 293              rte_eth_devices[port_id].state != RTE_ETH_DEV_DEFERRED))
 294                 return 0;
 295         else
 296                 return 1;
 297 }
 298
 299 int
 300 rte_eth_dev_socket_id(uint8_t port_id)
 301 {
 302         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 303         return rte_eth_devices[port_id].data->numa_node;
 304 }
 305
 306 uint8_t
 307 rte_eth_dev_count(void)
 308 {
 309         uint8_t p;
 310         uint8_t count;
 311
 312         count = 0;
 313
 314         RTE_ETH_FOREACH_DEV(p)
 315                 count++;
 316
 317         return count;
 318 }
 319
 320 int
 321 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 322 {
 323         const char *tmp;
 324
 325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 326
 327         if (name == NULL) {
 328                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 329                 return -EINVAL;
 330         }
 331
 332         /* shouldn't check 'rte_eth_devices[i].data',
 333          * because it might be overwritten by VDEV PMD */
 334         tmp = rte_eth_devices[port_id].device->name;
 335         strcpy(name, tmp);
 336         return 0;
 337 }
 338
 339 int
 340 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 341 {
 342         int ret;
 343         int i;
 344
 345         if (name == NULL) {
 346                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 347                 return -EINVAL;
 348         }
 349
 350         RTE_ETH_FOREACH_DEV(i) {
 351                 if (!rte_eth_devices[i].device)
 352                         continue;
 353
 354                 ret = strncmp(name, rte_eth_devices[i].device->name,
 355                                 strlen(name));
 356                 if (ret == 0) {
 357                         *port_id = i;
 358                         return 0;
 359                 }
 360         }
 361         return -ENODEV;
 362 }
 363
 364 static int
 365 rte_eth_dev_is_detachable(uint8_t port_id)
 366 {
 367         uint32_t dev_flags;
 368
 369         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 370
 371         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 372         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 373                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 374                 return 0;
 375         else
 376                 return 1;
 377 }
 378
 379 /* attach the new device, then store port_id of the device */
 380 int
 381 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 382 {
 383         int ret = -1;
 384         int current = rte_eth_dev_count();
 385         char *name = NULL;
 386         char *args = NULL;
 387
 388         if ((devargs == NULL) || (port_id == NULL)) {
 389                 ret = -EINVAL;
 390                 goto err;
 391         }
 392
 393         /* parse devargs, then retrieve device name and args */
 394         if (rte_eal_parse_devargs_str(devargs, &name, &args))
 395                 goto err;
 396
 397         ret = rte_eal_dev_attach(name, args);
 398         if (ret < 0)
 399                 goto err;
 400
 401         /* no point looking at the port count if no port exists */
 402         if (!rte_eth_dev_count()) {
 403                 RTE_LOG(ERR, EAL, "No port found for device (%s)\n", name);
 404                 ret = -1;
 405                 goto err;
 406         }
 407
 408         /* if nothing happened, there is a bug here, since some driver told us
 409          * it did attach a device, but did not create a port.
 410          */
 411         if (current == rte_eth_dev_count()) {
 412                 ret = -1;
 413                 goto err;
 414         }
 415
 416         *port_id = eth_dev_last_created_port;
 417         ret = 0;
 418
 419 err:
 420         free(name);
 421         free(args);
 422         return ret;
 423 }
 424
 425 /* detach the device, then store the name of the device */
 426 int
 427 rte_eth_dev_detach(uint8_t port_id, char *name)
 428 {
 429         int ret = -1;
 430
 431         if (name == NULL) {
 432                 ret = -EINVAL;
 433                 goto err;
 434         }
 435
 436         /* FIXME: move this to eal, once device flags are relocated there */
 437         if (rte_eth_dev_is_detachable(port_id))
 438                 goto err;
 439
 440         snprintf(name, RTE_DEV_NAME_MAX_LEN, "%s",
 441                  rte_eth_devices[port_id].device->name);
 442
 443         ret = rte_eal_dev_detach(rte_eth_devices[port_id].device);
 444         if (ret < 0)
 445                 goto err;
 446
 447         rte_eth_devices[port_id].state = RTE_ETH_DEV_UNUSED;
 448         return 0;
 449
 450 err:
 451         return ret;
 452 }
 453
 454 static int
 455 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 456 {
 457         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 458         void **rxq;
 459         unsigned i;
 460
 461         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 462                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 463                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 464                                 RTE_CACHE_LINE_SIZE);
 465                 if (dev->data->rx_queues == NULL) {
 466                         dev->data->nb_rx_queues = 0;
 467                         return -(ENOMEM);
 468                 }
 469         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 470                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 471
 472                 rxq = dev->data->rx_queues;
 473
 474                 for (i = nb_queues; i < old_nb_queues; i++)
 475                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 476                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 477                                 RTE_CACHE_LINE_SIZE);
 478                 if (rxq == NULL)
 479                         return -(ENOMEM);
 480                 if (nb_queues > old_nb_queues) {
 481                         uint16_t new_qs = nb_queues - old_nb_queues;
 482
 483                         memset(rxq + old_nb_queues, 0,
 484                                 sizeof(rxq[0]) * new_qs);
 485                 }
 486
 487                 dev->data->rx_queues = rxq;
 488
 489         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 490                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 491
 492                 rxq = dev->data->rx_queues;
 493
 494                 for (i = nb_queues; i < old_nb_queues; i++)
 495                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 496
 497                 rte_free(dev->data->rx_queues);
 498                 dev->data->rx_queues = NULL;
 499         }
 500         dev->data->nb_rx_queues = nb_queues;
 501         return 0;
 502 }
 503
 504 int
 505 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
 506 {
 507         struct rte_eth_dev *dev;
 508
 509         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 510
 511         dev = &rte_eth_devices[port_id];
 512         if (rx_queue_id >= dev->data->nb_rx_queues) {
 513                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 514                 return -EINVAL;
 515         }
 516
 517         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 518
 519         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 520                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 521                         " already started\n",
 522                         rx_queue_id, port_id);
 523                 return 0;
 524         }
 525
 526         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 527
 528 }
 529
 530 int
 531 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
 532 {
 533         struct rte_eth_dev *dev;
 534
 535         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 536
 537         dev = &rte_eth_devices[port_id];
 538         if (rx_queue_id >= dev->data->nb_rx_queues) {
 539                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 540                 return -EINVAL;
 541         }
 542
 543         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 544
 545         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 546                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 547                         " already stopped\n",
 548                         rx_queue_id, port_id);
 549                 return 0;
 550         }
 551
 552         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 553
 554 }
 555
 556 int
 557 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
 558 {
 559         struct rte_eth_dev *dev;
 560
 561         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 562
 563         dev = &rte_eth_devices[port_id];
 564         if (tx_queue_id >= dev->data->nb_tx_queues) {
 565                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 566                 return -EINVAL;
 567         }
 568
 569         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 570
 571         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 572                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 573                         " already started\n",
 574                         tx_queue_id, port_id);
 575                 return 0;
 576         }
 577
 578         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 579
 580 }
 581
 582 int
 583 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
 584 {
 585         struct rte_eth_dev *dev;
 586
 587         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 588
 589         dev = &rte_eth_devices[port_id];
 590         if (tx_queue_id >= dev->data->nb_tx_queues) {
 591                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 592                 return -EINVAL;
 593         }
 594
 595         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 596
 597         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 598                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 599                         " already stopped\n",
 600                         tx_queue_id, port_id);
 601                 return 0;
 602         }
 603
 604         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 605
 606 }
 607
 608 static int
 609 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 610 {
 611         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 612         void **txq;
 613         unsigned i;
 614
 615         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 616                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 617                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 618                                                    RTE_CACHE_LINE_SIZE);
 619                 if (dev->data->tx_queues == NULL) {
 620                         dev->data->nb_tx_queues = 0;
 621                         return -(ENOMEM);
 622                 }
 623         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 624                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 625
 626                 txq = dev->data->tx_queues;
 627
 628                 for (i = nb_queues; i < old_nb_queues; i++)
 629                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 630                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 631                                   RTE_CACHE_LINE_SIZE);
 632                 if (txq == NULL)
 633                         return -ENOMEM;
 634                 if (nb_queues > old_nb_queues) {
 635                         uint16_t new_qs = nb_queues - old_nb_queues;
 636
 637                         memset(txq + old_nb_queues, 0,
 638                                sizeof(txq[0]) * new_qs);
 639                 }
 640
 641                 dev->data->tx_queues = txq;
 642
 643         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 644                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 645
 646                 txq = dev->data->tx_queues;
 647
 648                 for (i = nb_queues; i < old_nb_queues; i++)
 649                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 650
 651                 rte_free(dev->data->tx_queues);
 652                 dev->data->tx_queues = NULL;
 653         }
 654         dev->data->nb_tx_queues = nb_queues;
 655         return 0;
 656 }
 657
 658 uint32_t
 659 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 660 {
 661         switch (speed) {
 662         case ETH_SPEED_NUM_10M:
 663                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 664         case ETH_SPEED_NUM_100M:
 665                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 666         case ETH_SPEED_NUM_1G:
 667                 return ETH_LINK_SPEED_1G;
 668         case ETH_SPEED_NUM_2_5G:
 669                 return ETH_LINK_SPEED_2_5G;
 670         case ETH_SPEED_NUM_5G:
 671                 return ETH_LINK_SPEED_5G;
 672         case ETH_SPEED_NUM_10G:
 673                 return ETH_LINK_SPEED_10G;
 674         case ETH_SPEED_NUM_20G:
 675                 return ETH_LINK_SPEED_20G;
 676         case ETH_SPEED_NUM_25G:
 677                 return ETH_LINK_SPEED_25G;
 678         case ETH_SPEED_NUM_40G:
 679                 return ETH_LINK_SPEED_40G;
 680         case ETH_SPEED_NUM_50G:
 681                 return ETH_LINK_SPEED_50G;
 682         case ETH_SPEED_NUM_56G:
 683                 return ETH_LINK_SPEED_56G;
 684         case ETH_SPEED_NUM_100G:
 685                 return ETH_LINK_SPEED_100G;
 686         default:
 687                 return 0;
 688         }
 689 }
 690
 691 /**
 692  * A conversion function from rxmode bitfield API.
 693  */
 694 static void
 695 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 696                                     uint64_t *rx_offloads)
 697 {
 698         uint64_t offloads = 0;
 699
 700         if (rxmode->header_split == 1)
 701                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 702         if (rxmode->hw_ip_checksum == 1)
 703                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 704         if (rxmode->hw_vlan_filter == 1)
 705                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 706         if (rxmode->hw_vlan_strip == 1)
 707                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 708         if (rxmode->hw_vlan_extend == 1)
 709                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 710         if (rxmode->jumbo_frame == 1)
 711                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 712         if (rxmode->hw_strip_crc == 1)
 713                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 714         if (rxmode->enable_scatter == 1)
 715                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 716         if (rxmode->enable_lro == 1)
 717                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 718
 719         *rx_offloads = offloads;
 720 }
 721
 722 /**
 723  * A conversion function from rxmode offloads API.
 724  */
 725 static void
 726 rte_eth_convert_rx_offloads(const uint64_t rx_offloads,
 727                             struct rte_eth_rxmode *rxmode)
 728 {
 729
 730         if (rx_offloads & DEV_RX_OFFLOAD_HEADER_SPLIT)
 731                 rxmode->header_split = 1;
 732         else
 733                 rxmode->header_split = 0;
 734         if (rx_offloads & DEV_RX_OFFLOAD_CHECKSUM)
 735                 rxmode->hw_ip_checksum = 1;
 736         else
 737                 rxmode->hw_ip_checksum = 0;
 738         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
 739                 rxmode->hw_vlan_filter = 1;
 740         else
 741                 rxmode->hw_vlan_filter = 0;
 742         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 743                 rxmode->hw_vlan_strip = 1;
 744         else
 745                 rxmode->hw_vlan_strip = 0;
 746         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
 747                 rxmode->hw_vlan_extend = 1;
 748         else
 749                 rxmode->hw_vlan_extend = 0;
 750         if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
 751                 rxmode->jumbo_frame = 1;
 752         else
 753                 rxmode->jumbo_frame = 0;
 754         if (rx_offloads & DEV_RX_OFFLOAD_CRC_STRIP)
 755                 rxmode->hw_strip_crc = 1;
 756         else
 757                 rxmode->hw_strip_crc = 0;
 758         if (rx_offloads & DEV_RX_OFFLOAD_SCATTER)
 759                 rxmode->enable_scatter = 1;
 760         else
 761                 rxmode->enable_scatter = 0;
 762         if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
 763                 rxmode->enable_lro = 1;
 764         else
 765                 rxmode->enable_lro = 0;
 766 }
 767
 768 int
 769 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 770                       const struct rte_eth_conf *dev_conf)
 771 {
 772         struct rte_eth_dev *dev;
 773         struct rte_eth_dev_info dev_info;
 774         struct rte_eth_conf local_conf = *dev_conf;
 775         int diag;
 776
 777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 778
 779         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 780                 RTE_PMD_DEBUG_TRACE(
 781                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 782                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 783                 return -EINVAL;
 784         }
 785
 786         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 787                 RTE_PMD_DEBUG_TRACE(
 788                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 789                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 790                 return -EINVAL;
 791         }
 792
 793         dev = &rte_eth_devices[port_id];
 794
 795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 797
 798         if (dev->data->dev_started) {
 799                 RTE_PMD_DEBUG_TRACE(
 800                     "port %d must be stopped to allow configuration\n", port_id);
 801                 return -EBUSY;
 802         }
 803
 804         /*
 805          * Convert between the offloads API to enable PMDs to support
 806          * only one of them.
 807          */
 808         if ((dev_conf->rxmode.ignore_offload_bitfield == 0)) {
 809                 rte_eth_convert_rx_offload_bitfield(
 810                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
 811         } else {
 812                 rte_eth_convert_rx_offloads(dev_conf->rxmode.offloads,
 813                                             &local_conf.rxmode);
 814         }
 815
 816         /* Copy the dev_conf parameter into the dev structure */
 817         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
 818
 819         /*
 820          * Check that the numbers of RX and TX queues are not greater
 821          * than the maximum number of RX and TX queues supported by the
 822          * configured device.
 823          */
 824         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 825
 826         if (nb_rx_q == 0 && nb_tx_q == 0) {
 827                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 828                 return -EINVAL;
 829         }
 830
 831         if (nb_rx_q > dev_info.max_rx_queues) {
 832                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 833                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 834                 return -EINVAL;
 835         }
 836
 837         if (nb_tx_q > dev_info.max_tx_queues) {
 838                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 839                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 840                 return -EINVAL;
 841         }
 842
 843         /* Check that the device supports requested interrupts */
 844         if ((dev_conf->intr_conf.lsc == 1) &&
 845                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 846                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 847                                         dev->device->driver->name);
 848                         return -EINVAL;
 849         }
 850         if ((dev_conf->intr_conf.rmv == 1) &&
 851             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
 852                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
 853                                     dev->device->driver->name);
 854                 return -EINVAL;
 855         }
 856
 857         /*
 858          * If jumbo frames are enabled, check that the maximum RX packet
 859          * length is supported by the configured device.
 860          */
 861         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 862                 if (dev_conf->rxmode.max_rx_pkt_len >
 863                     dev_info.max_rx_pktlen) {
 864                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 865                                 " > max valid value %u\n",
 866                                 port_id,
 867                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 868                                 (unsigned)dev_info.max_rx_pktlen);
 869                         return -EINVAL;
 870                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 871                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 872                                 " < min valid value %u\n",
 873                                 port_id,
 874                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 875                                 (unsigned)ETHER_MIN_LEN);
 876                         return -EINVAL;
 877                 }
 878         } else {
 879                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 880                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 881                         /* Use default value */
 882                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 883                                                         ETHER_MAX_LEN;
 884         }
 885
 886         /*
 887          * Setup new number of RX/TX queues and reconfigure device.
 888          */
 889         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
 890         if (diag != 0) {
 891                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
 892                                 port_id, diag);
 893                 return diag;
 894         }
 895
 896         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
 897         if (diag != 0) {
 898                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
 899                                 port_id, diag);
 900                 rte_eth_dev_rx_queue_config(dev, 0);
 901                 return diag;
 902         }
 903
 904         diag = (*dev->dev_ops->dev_configure)(dev);
 905         if (diag != 0) {
 906                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
 907                                 port_id, diag);
 908                 rte_eth_dev_rx_queue_config(dev, 0);
 909                 rte_eth_dev_tx_queue_config(dev, 0);
 910                 return diag;
 911         }
 912
 913         /* Initialize Rx profiling if enabled at compilation time. */
 914         diag = __rte_eth_profile_rx_init(port_id, dev);
 915         if (diag != 0) {
 916                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
 917                                 port_id, diag);
 918                 rte_eth_dev_rx_queue_config(dev, 0);
 919                 rte_eth_dev_tx_queue_config(dev, 0);
 920                 return diag;
 921         }
 922
 923         return 0;
 924 }
 925
 926 void
 927 _rte_eth_dev_reset(struct rte_eth_dev *dev)
 928 {
 929         if (dev->data->dev_started) {
 930                 RTE_PMD_DEBUG_TRACE(
 931                         "port %d must be stopped to allow reset\n",
 932                         dev->data->port_id);
 933                 return;
 934         }
 935
 936         rte_eth_dev_rx_queue_config(dev, 0);
 937         rte_eth_dev_tx_queue_config(dev, 0);
 938
 939         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
 940 }
 941
 942 static void
 943 rte_eth_dev_config_restore(uint8_t port_id)
 944 {
 945         struct rte_eth_dev *dev;
 946         struct rte_eth_dev_info dev_info;
 947         struct ether_addr *addr;
 948         uint16_t i;
 949         uint32_t pool = 0;
 950         uint64_t pool_mask;
 951
 952         dev = &rte_eth_devices[port_id];
 953
 954         rte_eth_dev_info_get(port_id, &dev_info);
 955
 956         /* replay MAC address configuration including default MAC */
 957         addr = &dev->data->mac_addrs[0];
 958         if (*dev->dev_ops->mac_addr_set != NULL)
 959                 (*dev->dev_ops->mac_addr_set)(dev, addr);
 960         else if (*dev->dev_ops->mac_addr_add != NULL)
 961                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
 962
 963         if (*dev->dev_ops->mac_addr_add != NULL) {
 964                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
 965                         addr = &dev->data->mac_addrs[i];
 966
 967                         /* skip zero address */
 968                         if (is_zero_ether_addr(addr))
 969                                 continue;
 970
 971                         pool = 0;
 972                         pool_mask = dev->data->mac_pool_sel[i];
 973
 974                         do {
 975                                 if (pool_mask & 1ULL)
 976                                         (*dev->dev_ops->mac_addr_add)(dev,
 977                                                 addr, i, pool);
 978                                 pool_mask >>= 1;
 979                                 pool++;
 980                         } while (pool_mask);
 981                 }
 982         }
 983
 984         /* replay promiscuous configuration */
 985         if (rte_eth_promiscuous_get(port_id) == 1)
 986                 rte_eth_promiscuous_enable(port_id);
 987         else if (rte_eth_promiscuous_get(port_id) == 0)
 988                 rte_eth_promiscuous_disable(port_id);
 989
 990         /* replay all multicast configuration */
 991         if (rte_eth_allmulticast_get(port_id) == 1)
 992                 rte_eth_allmulticast_enable(port_id);
 993         else if (rte_eth_allmulticast_get(port_id) == 0)
 994                 rte_eth_allmulticast_disable(port_id);
 995 }
 996
 997 int
 998 rte_eth_dev_start(uint8_t port_id)
 999 {
1000         struct rte_eth_dev *dev;
1001         int diag;
1002
1003         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1004
1005         dev = &rte_eth_devices[port_id];
1006
1007         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1008
1009         if (dev->data->dev_started != 0) {
1010                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1011                         " already started\n",
1012                         port_id);
1013                 return 0;
1014         }
1015
1016         diag = (*dev->dev_ops->dev_start)(dev);
1017         if (diag == 0)
1018                 dev->data->dev_started = 1;
1019         else
1020                 return diag;
1021
1022         rte_eth_dev_config_restore(port_id);
1023
1024         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1025                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1026                 (*dev->dev_ops->link_update)(dev, 0);
1027         }
1028         return 0;
1029 }
1030
1031 void
1032 rte_eth_dev_stop(uint8_t port_id)
1033 {
1034         struct rte_eth_dev *dev;
1035
1036         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1037         dev = &rte_eth_devices[port_id];
1038
1039         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1040
1041         if (dev->data->dev_started == 0) {
1042                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1043                         " already stopped\n",
1044                         port_id);
1045                 return;
1046         }
1047
1048         dev->data->dev_started = 0;
1049         (*dev->dev_ops->dev_stop)(dev);
1050 }
1051
1052 int
1053 rte_eth_dev_set_link_up(uint8_t port_id)
1054 {
1055         struct rte_eth_dev *dev;
1056
1057         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1058
1059         dev = &rte_eth_devices[port_id];
1060
1061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1062         return (*dev->dev_ops->dev_set_link_up)(dev);
1063 }
1064
1065 int
1066 rte_eth_dev_set_link_down(uint8_t port_id)
1067 {
1068         struct rte_eth_dev *dev;
1069
1070         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1071
1072         dev = &rte_eth_devices[port_id];
1073
1074         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1075         return (*dev->dev_ops->dev_set_link_down)(dev);
1076 }
1077
1078 void
1079 rte_eth_dev_close(uint8_t port_id)
1080 {
1081         struct rte_eth_dev *dev;
1082
1083         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1084         dev = &rte_eth_devices[port_id];
1085
1086         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1087         dev->data->dev_started = 0;
1088         (*dev->dev_ops->dev_close)(dev);
1089
1090         dev->data->nb_rx_queues = 0;
1091         rte_free(dev->data->rx_queues);
1092         dev->data->rx_queues = NULL;
1093         dev->data->nb_tx_queues = 0;
1094         rte_free(dev->data->tx_queues);
1095         dev->data->tx_queues = NULL;
1096 }
1097
1098 int
1099 rte_eth_dev_reset(uint8_t port_id)
1100 {
1101         struct rte_eth_dev *dev;
1102         int ret;
1103
1104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1105         dev = &rte_eth_devices[port_id];
1106
1107         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1108
1109         rte_eth_dev_stop(port_id);
1110         ret = dev->dev_ops->dev_reset(dev);
1111
1112         return ret;
1113 }
1114
1115 int
1116 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1117                        uint16_t nb_rx_desc, unsigned int socket_id,
1118                        const struct rte_eth_rxconf *rx_conf,
1119                        struct rte_mempool *mp)
1120 {
1121         int ret;
1122         uint32_t mbp_buf_size;
1123         struct rte_eth_dev *dev;
1124         struct rte_eth_dev_info dev_info;
1125         struct rte_eth_rxconf local_conf;
1126         void **rxq;
1127
1128         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1129
1130         dev = &rte_eth_devices[port_id];
1131         if (rx_queue_id >= dev->data->nb_rx_queues) {
1132                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1133                 return -EINVAL;
1134         }
1135
1136         if (dev->data->dev_started) {
1137                 RTE_PMD_DEBUG_TRACE(
1138                     "port %d must be stopped to allow configuration\n", port_id);
1139                 return -EBUSY;
1140         }
1141
1142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1143         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1144
1145         /*
1146          * Check the size of the mbuf data buffer.
1147          * This value must be provided in the private data of the memory pool.
1148          * First check that the memory pool has a valid private data.
1149          */
1150         rte_eth_dev_info_get(port_id, &dev_info);
1151         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1152                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1153                                 mp->name, (int) mp->private_data_size,
1154                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1155                 return -ENOSPC;
1156         }
1157         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1158
1159         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1160                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1161                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1162                                 "=%d)\n",
1163                                 mp->name,
1164                                 (int)mbp_buf_size,
1165                                 (int)(RTE_PKTMBUF_HEADROOM +
1166                                       dev_info.min_rx_bufsize),
1167                                 (int)RTE_PKTMBUF_HEADROOM,
1168                                 (int)dev_info.min_rx_bufsize);
1169                 return -EINVAL;
1170         }
1171
1172         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1173                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1174                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1175
1176                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1177                         "should be: <= %hu, = %hu, and a product of %hu\n",
1178                         nb_rx_desc,
1179                         dev_info.rx_desc_lim.nb_max,
1180                         dev_info.rx_desc_lim.nb_min,
1181                         dev_info.rx_desc_lim.nb_align);
1182                 return -EINVAL;
1183         }
1184
1185         rxq = dev->data->rx_queues;
1186         if (rxq[rx_queue_id]) {
1187                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1188                                         -ENOTSUP);
1189                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1190                 rxq[rx_queue_id] = NULL;
1191         }
1192
1193         if (rx_conf == NULL)
1194                 rx_conf = &dev_info.default_rxconf;
1195
1196         local_conf = *rx_conf;
1197         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1198                 /**
1199                  * Reflect port offloads to queue offloads in order for
1200                  * offloads to not be discarded.
1201                  */
1202                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1203                                                     &local_conf.offloads);
1204         }
1205
1206         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1207                                               socket_id, &local_conf, mp);
1208         if (!ret) {
1209                 if (!dev->data->min_rx_buf_size ||
1210                     dev->data->min_rx_buf_size > mbp_buf_size)
1211                         dev->data->min_rx_buf_size = mbp_buf_size;
1212         }
1213
1214         return ret;
1215 }
1216
1217 /**
1218  * A conversion function from txq_flags API.
1219  */
1220 static void
1221 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1222 {
1223         uint64_t offloads = 0;
1224
1225         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1226                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1227         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1228                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1229         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1230                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1231         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1232                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1233         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1234                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1235         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1236             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1237                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1238
1239         *tx_offloads = offloads;
1240 }
1241
1242 /**
1243  * A conversion function from offloads API.
1244  */
1245 static void
1246 rte_eth_convert_txq_offloads(const uint64_t tx_offloads, uint32_t *txq_flags)
1247 {
1248         uint32_t flags = 0;
1249
1250         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1251                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1252         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1253                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1254         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1255                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1256         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1257                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1258         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1259                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1260         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1261                 flags |= (ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP);
1262
1263         *txq_flags = flags;
1264 }
1265
1266 int
1267 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1268                        uint16_t nb_tx_desc, unsigned int socket_id,
1269                        const struct rte_eth_txconf *tx_conf)
1270 {
1271         struct rte_eth_dev *dev;
1272         struct rte_eth_dev_info dev_info;
1273         struct rte_eth_txconf local_conf;
1274         void **txq;
1275
1276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1277
1278         dev = &rte_eth_devices[port_id];
1279         if (tx_queue_id >= dev->data->nb_tx_queues) {
1280                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1281                 return -EINVAL;
1282         }
1283
1284         if (dev->data->dev_started) {
1285                 RTE_PMD_DEBUG_TRACE(
1286                     "port %d must be stopped to allow configuration\n", port_id);
1287                 return -EBUSY;
1288         }
1289
1290         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1291         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1292
1293         rte_eth_dev_info_get(port_id, &dev_info);
1294
1295         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1296             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1297             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1298                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1299                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1300                                 nb_tx_desc,
1301                                 dev_info.tx_desc_lim.nb_max,
1302                                 dev_info.tx_desc_lim.nb_min,
1303                                 dev_info.tx_desc_lim.nb_align);
1304                 return -EINVAL;
1305         }
1306
1307         txq = dev->data->tx_queues;
1308         if (txq[tx_queue_id]) {
1309                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1310                                         -ENOTSUP);
1311                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1312                 txq[tx_queue_id] = NULL;
1313         }
1314
1315         if (tx_conf == NULL)
1316                 tx_conf = &dev_info.default_txconf;
1317
1318         /*
1319          * Convert between the offloads API to enable PMDs to support
1320          * only one of them.
1321          */
1322         local_conf = *tx_conf;
1323         if (tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE) {
1324                 rte_eth_convert_txq_offloads(tx_conf->offloads,
1325                                              &local_conf.txq_flags);
1326                 /* Keep the ignore flag. */
1327                 local_conf.txq_flags |= ETH_TXQ_FLAGS_IGNORE;
1328         } else {
1329                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1330                                           &local_conf.offloads);
1331         }
1332
1333         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1334                                                socket_id, &local_conf);
1335 }
1336
1337 void
1338 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1339                 void *userdata __rte_unused)
1340 {
1341         unsigned i;
1342
1343         for (i = 0; i < unsent; i++)
1344                 rte_pktmbuf_free(pkts[i]);
1345 }
1346
1347 void
1348 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1349                 void *userdata)
1350 {
1351         uint64_t *count = userdata;
1352         unsigned i;
1353
1354         for (i = 0; i < unsent; i++)
1355                 rte_pktmbuf_free(pkts[i]);
1356
1357         *count += unsent;
1358 }
1359
1360 int
1361 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1362                 buffer_tx_error_fn cbfn, void *userdata)
1363 {
1364         buffer->error_callback = cbfn;
1365         buffer->error_userdata = userdata;
1366         return 0;
1367 }
1368
1369 int
1370 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1371 {
1372         int ret = 0;
1373
1374         if (buffer == NULL)
1375                 return -EINVAL;
1376
1377         buffer->size = size;
1378         if (buffer->error_callback == NULL) {
1379                 ret = rte_eth_tx_buffer_set_err_callback(
1380                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1381         }
1382
1383         return ret;
1384 }
1385
1386 int
1387 rte_eth_tx_done_cleanup(uint8_t port_id, uint16_t queue_id, uint32_t free_cnt)
1388 {
1389         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1390
1391         /* Validate Input Data. Bail if not valid or not supported. */
1392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1393         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1394
1395         /* Call driver to free pending mbufs. */
1396         return (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1397                         free_cnt);
1398 }
1399
1400 void
1401 rte_eth_promiscuous_enable(uint8_t port_id)
1402 {
1403         struct rte_eth_dev *dev;
1404
1405         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1406         dev = &rte_eth_devices[port_id];
1407
1408         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1409         (*dev->dev_ops->promiscuous_enable)(dev);
1410         dev->data->promiscuous = 1;
1411 }
1412
1413 void
1414 rte_eth_promiscuous_disable(uint8_t port_id)
1415 {
1416         struct rte_eth_dev *dev;
1417
1418         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1419         dev = &rte_eth_devices[port_id];
1420
1421         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1422         dev->data->promiscuous = 0;
1423         (*dev->dev_ops->promiscuous_disable)(dev);
1424 }
1425
1426 int
1427 rte_eth_promiscuous_get(uint8_t port_id)
1428 {
1429         struct rte_eth_dev *dev;
1430
1431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1432
1433         dev = &rte_eth_devices[port_id];
1434         return dev->data->promiscuous;
1435 }
1436
1437 void
1438 rte_eth_allmulticast_enable(uint8_t port_id)
1439 {
1440         struct rte_eth_dev *dev;
1441
1442         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1443         dev = &rte_eth_devices[port_id];
1444
1445         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1446         (*dev->dev_ops->allmulticast_enable)(dev);
1447         dev->data->all_multicast = 1;
1448 }
1449
1450 void
1451 rte_eth_allmulticast_disable(uint8_t port_id)
1452 {
1453         struct rte_eth_dev *dev;
1454
1455         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1456         dev = &rte_eth_devices[port_id];
1457
1458         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1459         dev->data->all_multicast = 0;
1460         (*dev->dev_ops->allmulticast_disable)(dev);
1461 }
1462
1463 int
1464 rte_eth_allmulticast_get(uint8_t port_id)
1465 {
1466         struct rte_eth_dev *dev;
1467
1468         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1469
1470         dev = &rte_eth_devices[port_id];
1471         return dev->data->all_multicast;
1472 }
1473
1474 static inline int
1475 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1476                                 struct rte_eth_link *link)
1477 {
1478         struct rte_eth_link *dst = link;
1479         struct rte_eth_link *src = &(dev->data->dev_link);
1480
1481         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1482                                         *(uint64_t *)src) == 0)
1483                 return -1;
1484
1485         return 0;
1486 }
1487
1488 void
1489 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1490 {
1491         struct rte_eth_dev *dev;
1492
1493         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1494         dev = &rte_eth_devices[port_id];
1495
1496         if (dev->data->dev_conf.intr_conf.lsc != 0)
1497                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1498         else {
1499                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1500                 (*dev->dev_ops->link_update)(dev, 1);
1501                 *eth_link = dev->data->dev_link;
1502         }
1503 }
1504
1505 void
1506 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1507 {
1508         struct rte_eth_dev *dev;
1509
1510         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1511         dev = &rte_eth_devices[port_id];
1512
1513         if (dev->data->dev_conf.intr_conf.lsc != 0)
1514                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1515         else {
1516                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1517                 (*dev->dev_ops->link_update)(dev, 0);
1518                 *eth_link = dev->data->dev_link;
1519         }
1520 }
1521
1522 int
1523 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1524 {
1525         struct rte_eth_dev *dev;
1526
1527         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1528
1529         dev = &rte_eth_devices[port_id];
1530         memset(stats, 0, sizeof(*stats));
1531
1532         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1533         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1534         (*dev->dev_ops->stats_get)(dev, stats);
1535         return 0;
1536 }
1537
1538 void
1539 rte_eth_stats_reset(uint8_t port_id)
1540 {
1541         struct rte_eth_dev *dev;
1542
1543         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1544         dev = &rte_eth_devices[port_id];
1545
1546         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1547         (*dev->dev_ops->stats_reset)(dev);
1548         dev->data->rx_mbuf_alloc_failed = 0;
1549 }
1550
1551 static int
1552 get_xstats_count(uint8_t port_id)
1553 {
1554         struct rte_eth_dev *dev;
1555         int count;
1556
1557         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1558         dev = &rte_eth_devices[port_id];
1559         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1560                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1561                                 NULL, 0);
1562                 if (count < 0)
1563                         return count;
1564         }
1565         if (dev->dev_ops->xstats_get_names != NULL) {
1566                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1567                 if (count < 0)
1568                         return count;
1569         } else
1570                 count = 0;
1571
1572         count += RTE_NB_STATS;
1573         count += RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1574                  RTE_NB_RXQ_STATS;
1575         count += RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1576                  RTE_NB_TXQ_STATS;
1577         return count;
1578 }
1579
1580 int
1581 rte_eth_xstats_get_id_by_name(uint8_t port_id, const char *xstat_name,
1582                 uint64_t *id)
1583 {
1584         int cnt_xstats, idx_xstat;
1585
1586         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1587
1588         if (!id) {
1589                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1590                 return -ENOMEM;
1591         }
1592
1593         if (!xstat_name) {
1594                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1595                 return -ENOMEM;
1596         }
1597
1598         /* Get count */
1599         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1600         if (cnt_xstats  < 0) {
1601                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1602                 return -ENODEV;
1603         }
1604
1605         /* Get id-name lookup table */
1606         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1607
1608         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1609                         port_id, xstats_names, cnt_xstats, NULL)) {
1610                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1611                 return -1;
1612         }
1613
1614         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1615                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1616                         *id = idx_xstat;
1617                         return 0;
1618                 };
1619         }
1620
1621         return -EINVAL;
1622 }
1623
1624 int
1625 rte_eth_xstats_get_names_by_id(uint8_t port_id,
1626         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1627         uint64_t *ids)
1628 {
1629         /* Get all xstats */
1630         if (!ids) {
1631                 struct rte_eth_dev *dev;
1632                 int cnt_used_entries;
1633                 int cnt_expected_entries;
1634                 int cnt_driver_entries;
1635                 uint32_t idx, id_queue;
1636                 uint16_t num_q;
1637
1638                 cnt_expected_entries = get_xstats_count(port_id);
1639                 if (xstats_names == NULL || cnt_expected_entries < 0 ||
1640                                 (int)size < cnt_expected_entries)
1641                         return cnt_expected_entries;
1642
1643                 /* port_id checked in get_xstats_count() */
1644                 dev = &rte_eth_devices[port_id];
1645                 cnt_used_entries = 0;
1646
1647                 for (idx = 0; idx < RTE_NB_STATS; idx++) {
1648                         snprintf(xstats_names[cnt_used_entries].name,
1649                                 sizeof(xstats_names[0].name),
1650                                 "%s", rte_stats_strings[idx].name);
1651                         cnt_used_entries++;
1652                 }
1653                 num_q = RTE_MIN(dev->data->nb_rx_queues,
1654                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1655                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1656                         for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1657                                 snprintf(xstats_names[cnt_used_entries].name,
1658                                         sizeof(xstats_names[0].name),
1659                                         "rx_q%u%s",
1660                                         id_queue,
1661                                         rte_rxq_stats_strings[idx].name);
1662                                 cnt_used_entries++;
1663                         }
1664
1665                 }
1666                 num_q = RTE_MIN(dev->data->nb_tx_queues,
1667                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1668                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1669                         for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1670                                 snprintf(xstats_names[cnt_used_entries].name,
1671                                         sizeof(xstats_names[0].name),
1672                                         "tx_q%u%s",
1673                                         id_queue,
1674                                         rte_txq_stats_strings[idx].name);
1675                                 cnt_used_entries++;
1676                         }
1677                 }
1678
1679                 if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1680                         /* If there are any driver-specific xstats, append them
1681                          * to end of list.
1682                          */
1683                         cnt_driver_entries =
1684                                 (*dev->dev_ops->xstats_get_names_by_id)(
1685                                 dev,
1686                                 xstats_names + cnt_used_entries,
1687                                 NULL,
1688                                 size - cnt_used_entries);
1689                         if (cnt_driver_entries < 0)
1690                                 return cnt_driver_entries;
1691                         cnt_used_entries += cnt_driver_entries;
1692
1693                 } else if (dev->dev_ops->xstats_get_names != NULL) {
1694                         /* If there are any driver-specific xstats, append them
1695                          * to end of list.
1696                          */
1697                         cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1698                                 dev,
1699                                 xstats_names + cnt_used_entries,
1700                                 size - cnt_used_entries);
1701                         if (cnt_driver_entries < 0)
1702                                 return cnt_driver_entries;
1703                         cnt_used_entries += cnt_driver_entries;
1704                 }
1705
1706                 return cnt_used_entries;
1707         }
1708         /* Get only xstats given by IDS */
1709         else {
1710                 uint16_t len, i;
1711                 struct rte_eth_xstat_name *xstats_names_copy;
1712
1713                 len = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1714
1715                 xstats_names_copy =
1716                                 malloc(sizeof(struct rte_eth_xstat_name) * len);
1717                 if (!xstats_names_copy) {
1718                         RTE_PMD_DEBUG_TRACE(
1719                              "ERROR: can't allocate memory for values_copy\n");
1720                         free(xstats_names_copy);
1721                         return -1;
1722                 }
1723
1724                 rte_eth_xstats_get_names_by_id(port_id, xstats_names_copy,
1725                                 len, NULL);
1726
1727                 for (i = 0; i < size; i++) {
1728                         if (ids[i] >= len) {
1729                                 RTE_PMD_DEBUG_TRACE(
1730                                         "ERROR: id value isn't valid\n");
1731                                 return -1;
1732                         }
1733                         strcpy(xstats_names[i].name,
1734                                         xstats_names_copy[ids[i]].name);
1735                 }
1736                 free(xstats_names_copy);
1737                 return size;
1738         }
1739 }
1740
1741 int
1742 rte_eth_xstats_get_names(uint8_t port_id,
1743         struct rte_eth_xstat_name *xstats_names,
1744         unsigned int size)
1745 {
1746         struct rte_eth_dev *dev;
1747         int cnt_used_entries;
1748         int cnt_expected_entries;
1749         int cnt_driver_entries;
1750         uint32_t idx, id_queue;
1751         uint16_t num_q;
1752
1753         cnt_expected_entries = get_xstats_count(port_id);
1754         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1755                         (int)size < cnt_expected_entries)
1756                 return cnt_expected_entries;
1757
1758         /* port_id checked in get_xstats_count() */
1759         dev = &rte_eth_devices[port_id];
1760         cnt_used_entries = 0;
1761
1762         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1763                 snprintf(xstats_names[cnt_used_entries].name,
1764                         sizeof(xstats_names[0].name),
1765                         "%s", rte_stats_strings[idx].name);
1766                 cnt_used_entries++;
1767         }
1768         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1769         for (id_queue = 0; id_queue < num_q; id_queue++) {
1770                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1771                         snprintf(xstats_names[cnt_used_entries].name,
1772                                 sizeof(xstats_names[0].name),
1773                                 "rx_q%u%s",
1774                                 id_queue, rte_rxq_stats_strings[idx].name);
1775                         cnt_used_entries++;
1776                 }
1777
1778         }
1779         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1780         for (id_queue = 0; id_queue < num_q; id_queue++) {
1781                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1782                         snprintf(xstats_names[cnt_used_entries].name,
1783                                 sizeof(xstats_names[0].name),
1784                                 "tx_q%u%s",
1785                                 id_queue, rte_txq_stats_strings[idx].name);
1786                         cnt_used_entries++;
1787                 }
1788         }
1789
1790         if (dev->dev_ops->xstats_get_names != NULL) {
1791                 /* If there are any driver-specific xstats, append them
1792                  * to end of list.
1793                  */
1794                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1795                         dev,
1796                         xstats_names + cnt_used_entries,
1797                         size - cnt_used_entries);
1798                 if (cnt_driver_entries < 0)
1799                         return cnt_driver_entries;
1800                 cnt_used_entries += cnt_driver_entries;
1801         }
1802
1803         return cnt_used_entries;
1804 }
1805
1806 /* retrieve ethdev extended statistics */
1807 int
1808 rte_eth_xstats_get_by_id(uint8_t port_id, const uint64_t *ids, uint64_t *values,
1809         unsigned int n)
1810 {
1811         /* If need all xstats */
1812         if (!ids) {
1813                 struct rte_eth_stats eth_stats;
1814                 struct rte_eth_dev *dev;
1815                 unsigned int count = 0, i, q;
1816                 signed int xcount = 0;
1817                 uint64_t val, *stats_ptr;
1818                 uint16_t nb_rxqs, nb_txqs;
1819
1820                 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1821                 dev = &rte_eth_devices[port_id];
1822
1823                 nb_rxqs = RTE_MIN(dev->data->nb_rx_queues,
1824                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1825                 nb_txqs = RTE_MIN(dev->data->nb_tx_queues,
1826                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1827
1828                 /* Return generic statistics */
1829                 count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1830                         (nb_txqs * RTE_NB_TXQ_STATS);
1831
1832
1833                 /* implemented by the driver */
1834                 if (dev->dev_ops->xstats_get_by_id != NULL) {
1835                         /* Retrieve the xstats from the driver at the end of the
1836                          * xstats struct. Retrieve all xstats.
1837                          */
1838                         xcount = (*dev->dev_ops->xstats_get_by_id)(dev,
1839                                         NULL,
1840                                         values ? values + count : NULL,
1841                                         (n > count) ? n - count : 0);
1842
1843                         if (xcount < 0)
1844                                 return xcount;
1845                 /* implemented by the driver */
1846                 } else if (dev->dev_ops->xstats_get != NULL) {
1847                         /* Retrieve the xstats from the driver at the end of the
1848                          * xstats struct. Retrieve all xstats.
1849                          * Compatibility for PMD without xstats_get_by_ids
1850                          */
1851                         unsigned int size = (n > count) ? n - count : 1;
1852                         struct rte_eth_xstat xstats[size];
1853
1854                         xcount = (*dev->dev_ops->xstats_get)(dev,
1855                                         values ? xstats : NULL, size);
1856
1857                         if (xcount < 0)
1858                                 return xcount;
1859
1860                         if (values != NULL)
1861                                 for (i = 0 ; i < (unsigned int)xcount; i++)
1862                                         values[i + count] = xstats[i].value;
1863                 }
1864
1865                 if (n < count + xcount || values == NULL)
1866                         return count + xcount;
1867
1868                 /* now fill the xstats structure */
1869                 count = 0;
1870                 rte_eth_stats_get(port_id, &eth_stats);
1871
1872                 /* global stats */
1873                 for (i = 0; i < RTE_NB_STATS; i++) {
1874                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1875                                                 rte_stats_strings[i].offset);
1876                         val = *stats_ptr;
1877                         values[count++] = val;
1878                 }
1879
1880                 /* per-rxq stats */
1881                 for (q = 0; q < nb_rxqs; q++) {
1882                         for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1883                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1884                                             rte_rxq_stats_strings[i].offset +
1885                                             q * sizeof(uint64_t));
1886                                 val = *stats_ptr;
1887                                 values[count++] = val;
1888                         }
1889                 }
1890
1891                 /* per-txq stats */
1892                 for (q = 0; q < nb_txqs; q++) {
1893                         for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1894                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1895                                             rte_txq_stats_strings[i].offset +
1896                                             q * sizeof(uint64_t));
1897                                 val = *stats_ptr;
1898                                 values[count++] = val;
1899                         }
1900                 }
1901
1902                 return count + xcount;
1903         }
1904         /* Need only xstats given by IDS array */
1905         else {
1906                 uint16_t i, size;
1907                 uint64_t *values_copy;
1908
1909                 size = rte_eth_xstats_get_by_id(port_id, NULL, NULL, 0);
1910
1911                 values_copy = malloc(sizeof(*values_copy) * size);
1912                 if (!values_copy) {
1913                         RTE_PMD_DEBUG_TRACE(
1914                             "ERROR: can't allocate memory for values_copy\n");
1915                         return -1;
1916                 }
1917
1918                 rte_eth_xstats_get_by_id(port_id, NULL, values_copy, size);
1919
1920                 for (i = 0; i < n; i++) {
1921                         if (ids[i] >= size) {
1922                                 RTE_PMD_DEBUG_TRACE(
1923                                         "ERROR: id value isn't valid\n");
1924                                 return -1;
1925                         }
1926                         values[i] = values_copy[ids[i]];
1927                 }
1928                 free(values_copy);
1929                 return n;
1930         }
1931 }
1932
1933 int
1934 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats,
1935         unsigned int n)
1936 {
1937         struct rte_eth_stats eth_stats;
1938         struct rte_eth_dev *dev;
1939         unsigned int count = 0, i, q;
1940         signed int xcount = 0;
1941         uint64_t val, *stats_ptr;
1942         uint16_t nb_rxqs, nb_txqs;
1943
1944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1945
1946         dev = &rte_eth_devices[port_id];
1947
1948         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1949         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1950
1951         /* Return generic statistics */
1952         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1953                 (nb_txqs * RTE_NB_TXQ_STATS);
1954
1955         /* implemented by the driver */
1956         if (dev->dev_ops->xstats_get != NULL) {
1957                 /* Retrieve the xstats from the driver at the end of the
1958                  * xstats struct.
1959                  */
1960                 xcount = (*dev->dev_ops->xstats_get)(dev,
1961                                      xstats ? xstats + count : NULL,
1962                                      (n > count) ? n - count : 0);
1963
1964                 if (xcount < 0)
1965                         return xcount;
1966         }
1967
1968         if (n < count + xcount || xstats == NULL)
1969                 return count + xcount;
1970
1971         /* now fill the xstats structure */
1972         count = 0;
1973         rte_eth_stats_get(port_id, &eth_stats);
1974
1975         /* global stats */
1976         for (i = 0; i < RTE_NB_STATS; i++) {
1977                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1978                                         rte_stats_strings[i].offset);
1979                 val = *stats_ptr;
1980                 xstats[count++].value = val;
1981         }
1982
1983         /* per-rxq stats */
1984         for (q = 0; q < nb_rxqs; q++) {
1985                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1986                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1987                                         rte_rxq_stats_strings[i].offset +
1988                                         q * sizeof(uint64_t));
1989                         val = *stats_ptr;
1990                         xstats[count++].value = val;
1991                 }
1992         }
1993
1994         /* per-txq stats */
1995         for (q = 0; q < nb_txqs; q++) {
1996                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1997                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1998                                         rte_txq_stats_strings[i].offset +
1999                                         q * sizeof(uint64_t));
2000                         val = *stats_ptr;
2001                         xstats[count++].value = val;
2002                 }
2003         }
2004
2005         for (i = 0; i < count; i++)
2006                 xstats[i].id = i;
2007         /* add an offset to driver-specific stats */
2008         for ( ; i < count + xcount; i++)
2009                 xstats[i].id += count;
2010
2011         return count + xcount;
2012 }
2013
2014 /* reset ethdev extended statistics */
2015 void
2016 rte_eth_xstats_reset(uint8_t port_id)
2017 {
2018         struct rte_eth_dev *dev;
2019
2020         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2021         dev = &rte_eth_devices[port_id];
2022
2023         /* implemented by the driver */
2024         if (dev->dev_ops->xstats_reset != NULL) {
2025                 (*dev->dev_ops->xstats_reset)(dev);
2026                 return;
2027         }
2028
2029         /* fallback to default */
2030         rte_eth_stats_reset(port_id);
2031 }
2032
2033 static int
2034 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
2035                 uint8_t is_rx)
2036 {
2037         struct rte_eth_dev *dev;
2038
2039         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2040
2041         dev = &rte_eth_devices[port_id];
2042
2043         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2044         return (*dev->dev_ops->queue_stats_mapping_set)
2045                         (dev, queue_id, stat_idx, is_rx);
2046 }
2047
2048
2049 int
2050 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
2051                 uint8_t stat_idx)
2052 {
2053         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
2054                         STAT_QMAP_TX);
2055 }
2056
2057
2058 int
2059 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
2060                 uint8_t stat_idx)
2061 {
2062         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
2063                         STAT_QMAP_RX);
2064 }
2065
2066 int
2067 rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size)
2068 {
2069         struct rte_eth_dev *dev;
2070
2071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2072         dev = &rte_eth_devices[port_id];
2073
2074         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2075         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
2076 }
2077
2078 void
2079 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
2080 {
2081         struct rte_eth_dev *dev;
2082         const struct rte_eth_desc_lim lim = {
2083                 .nb_max = UINT16_MAX,
2084                 .nb_min = 0,
2085                 .nb_align = 1,
2086         };
2087
2088         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2089         dev = &rte_eth_devices[port_id];
2090
2091         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2092         dev_info->rx_desc_lim = lim;
2093         dev_info->tx_desc_lim = lim;
2094
2095         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2096         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2097         dev_info->driver_name = dev->device->driver->name;
2098         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2099         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2100 }
2101
2102 int
2103 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
2104                                  uint32_t *ptypes, int num)
2105 {
2106         int i, j;
2107         struct rte_eth_dev *dev;
2108         const uint32_t *all_ptypes;
2109
2110         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2111         dev = &rte_eth_devices[port_id];
2112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2113         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2114
2115         if (!all_ptypes)
2116                 return 0;
2117
2118         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2119                 if (all_ptypes[i] & ptype_mask) {
2120                         if (j < num)
2121                                 ptypes[j] = all_ptypes[i];
2122                         j++;
2123                 }
2124
2125         return j;
2126 }
2127
2128 void
2129 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
2130 {
2131         struct rte_eth_dev *dev;
2132
2133         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2134         dev = &rte_eth_devices[port_id];
2135         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2136 }
2137
2138
2139 int
2140 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
2141 {
2142         struct rte_eth_dev *dev;
2143
2144         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2145
2146         dev = &rte_eth_devices[port_id];
2147         *mtu = dev->data->mtu;
2148         return 0;
2149 }
2150
2151 int
2152 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
2153 {
2154         int ret;
2155         struct rte_eth_dev *dev;
2156
2157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2158         dev = &rte_eth_devices[port_id];
2159         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2160
2161         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2162         if (!ret)
2163                 dev->data->mtu = mtu;
2164
2165         return ret;
2166 }
2167
2168 int
2169 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
2170 {
2171         struct rte_eth_dev *dev;
2172         int ret;
2173
2174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2175         dev = &rte_eth_devices[port_id];
2176         if (!(dev->data->dev_conf.rxmode.offloads &
2177               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2178                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2179                 return -ENOSYS;
2180         }
2181
2182         if (vlan_id > 4095) {
2183                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2184                                 port_id, (unsigned) vlan_id);
2185                 return -EINVAL;
2186         }
2187         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2188
2189         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2190         if (ret == 0) {
2191                 struct rte_vlan_filter_conf *vfc;
2192                 int vidx;
2193                 int vbit;
2194
2195                 vfc = &dev->data->vlan_filter_conf;
2196                 vidx = vlan_id / 64;
2197                 vbit = vlan_id % 64;
2198
2199                 if (on)
2200                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2201                 else
2202                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2203         }
2204
2205         return ret;
2206 }
2207
2208 int
2209 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
2210 {
2211         struct rte_eth_dev *dev;
2212
2213         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2214         dev = &rte_eth_devices[port_id];
2215         if (rx_queue_id >= dev->data->nb_rx_queues) {
2216                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2217                 return -EINVAL;
2218         }
2219
2220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2221         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2222
2223         return 0;
2224 }
2225
2226 int
2227 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
2228                                 enum rte_vlan_type vlan_type,
2229                                 uint16_t tpid)
2230 {
2231         struct rte_eth_dev *dev;
2232
2233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2234         dev = &rte_eth_devices[port_id];
2235         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2236
2237         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
2238 }
2239
2240 int
2241 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
2242 {
2243         struct rte_eth_dev *dev;
2244         int ret = 0;
2245         int mask = 0;
2246         int cur, org = 0;
2247
2248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2249         dev = &rte_eth_devices[port_id];
2250
2251         /*check which option changed by application*/
2252         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2253         org = !!(dev->data->dev_conf.rxmode.offloads &
2254                  DEV_RX_OFFLOAD_VLAN_STRIP);
2255         if (cur != org) {
2256                 if (cur)
2257                         dev->data->dev_conf.rxmode.offloads |=
2258                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2259                 else
2260                         dev->data->dev_conf.rxmode.offloads &=
2261                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2262                 mask |= ETH_VLAN_STRIP_MASK;
2263         }
2264
2265         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2266         org = !!(dev->data->dev_conf.rxmode.offloads &
2267                  DEV_RX_OFFLOAD_VLAN_FILTER);
2268         if (cur != org) {
2269                 if (cur)
2270                         dev->data->dev_conf.rxmode.offloads |=
2271                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2272                 else
2273                         dev->data->dev_conf.rxmode.offloads &=
2274                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2275                 mask |= ETH_VLAN_FILTER_MASK;
2276         }
2277
2278         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2279         org = !!(dev->data->dev_conf.rxmode.offloads &
2280                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2281         if (cur != org) {
2282                 if (cur)
2283                         dev->data->dev_conf.rxmode.offloads |=
2284                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2285                 else
2286                         dev->data->dev_conf.rxmode.offloads &=
2287                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2288                 mask |= ETH_VLAN_EXTEND_MASK;
2289         }
2290
2291         /*no change*/
2292         if (mask == 0)
2293                 return ret;
2294
2295         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2296
2297         /*
2298          * Convert to the offload bitfield API just in case the underlying PMD
2299          * still supporting it.
2300          */
2301         rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2302                                     &dev->data->dev_conf.rxmode);
2303         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2304
2305         return ret;
2306 }
2307
2308 int
2309 rte_eth_dev_get_vlan_offload(uint8_t port_id)
2310 {
2311         struct rte_eth_dev *dev;
2312         int ret = 0;
2313
2314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2315         dev = &rte_eth_devices[port_id];
2316
2317         if (dev->data->dev_conf.rxmode.offloads &
2318             DEV_RX_OFFLOAD_VLAN_STRIP)
2319                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2320
2321         if (dev->data->dev_conf.rxmode.offloads &
2322             DEV_RX_OFFLOAD_VLAN_FILTER)
2323                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2324
2325         if (dev->data->dev_conf.rxmode.offloads &
2326             DEV_RX_OFFLOAD_VLAN_EXTEND)
2327                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2328
2329         return ret;
2330 }
2331
2332 int
2333 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
2334 {
2335         struct rte_eth_dev *dev;
2336
2337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2338         dev = &rte_eth_devices[port_id];
2339         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2340         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2341
2342         return 0;
2343 }
2344
2345 int
2346 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2347 {
2348         struct rte_eth_dev *dev;
2349
2350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2351         dev = &rte_eth_devices[port_id];
2352         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2353         memset(fc_conf, 0, sizeof(*fc_conf));
2354         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2355 }
2356
2357 int
2358 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2359 {
2360         struct rte_eth_dev *dev;
2361
2362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2363         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2364                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2365                 return -EINVAL;
2366         }
2367
2368         dev = &rte_eth_devices[port_id];
2369         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2370         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2371 }
2372
2373 int
2374 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
2375 {
2376         struct rte_eth_dev *dev;
2377
2378         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2379         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2380                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2381                 return -EINVAL;
2382         }
2383
2384         dev = &rte_eth_devices[port_id];
2385         /* High water, low water validation are device specific */
2386         if  (*dev->dev_ops->priority_flow_ctrl_set)
2387                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2388         return -ENOTSUP;
2389 }
2390
2391 static int
2392 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2393                         uint16_t reta_size)
2394 {
2395         uint16_t i, num;
2396
2397         if (!reta_conf)
2398                 return -EINVAL;
2399
2400         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2401         for (i = 0; i < num; i++) {
2402                 if (reta_conf[i].mask)
2403                         return 0;
2404         }
2405
2406         return -EINVAL;
2407 }
2408
2409 static int
2410 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2411                          uint16_t reta_size,
2412                          uint16_t max_rxq)
2413 {
2414         uint16_t i, idx, shift;
2415
2416         if (!reta_conf)
2417                 return -EINVAL;
2418
2419         if (max_rxq == 0) {
2420                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2421                 return -EINVAL;
2422         }
2423
2424         for (i = 0; i < reta_size; i++) {
2425                 idx = i / RTE_RETA_GROUP_SIZE;
2426                 shift = i % RTE_RETA_GROUP_SIZE;
2427                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2428                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2429                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2430                                 "the maximum rxq index: %u\n", idx, shift,
2431                                 reta_conf[idx].reta[shift], max_rxq);
2432                         return -EINVAL;
2433                 }
2434         }
2435
2436         return 0;
2437 }
2438
2439 int
2440 rte_eth_dev_rss_reta_update(uint8_t port_id,
2441                             struct rte_eth_rss_reta_entry64 *reta_conf,
2442                             uint16_t reta_size)
2443 {
2444         struct rte_eth_dev *dev;
2445         int ret;
2446
2447         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2448         /* Check mask bits */
2449         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2450         if (ret < 0)
2451                 return ret;
2452
2453         dev = &rte_eth_devices[port_id];
2454
2455         /* Check entry value */
2456         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2457                                 dev->data->nb_rx_queues);
2458         if (ret < 0)
2459                 return ret;
2460
2461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2462         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2463 }
2464
2465 int
2466 rte_eth_dev_rss_reta_query(uint8_t port_id,
2467                            struct rte_eth_rss_reta_entry64 *reta_conf,
2468                            uint16_t reta_size)
2469 {
2470         struct rte_eth_dev *dev;
2471         int ret;
2472
2473         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2474
2475         /* Check mask bits */
2476         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2477         if (ret < 0)
2478                 return ret;
2479
2480         dev = &rte_eth_devices[port_id];
2481         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2482         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2483 }
2484
2485 int
2486 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2487 {
2488         struct rte_eth_dev *dev;
2489         uint16_t rss_hash_protos;
2490
2491         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2492         rss_hash_protos = rss_conf->rss_hf;
2493         if ((rss_hash_protos != 0) &&
2494             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2495                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2496                                 rss_hash_protos);
2497                 return -EINVAL;
2498         }
2499         dev = &rte_eth_devices[port_id];
2500         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2501         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2502 }
2503
2504 int
2505 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2506                               struct rte_eth_rss_conf *rss_conf)
2507 {
2508         struct rte_eth_dev *dev;
2509
2510         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2511         dev = &rte_eth_devices[port_id];
2512         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2513         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2514 }
2515
2516 int
2517 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2518                                 struct rte_eth_udp_tunnel *udp_tunnel)
2519 {
2520         struct rte_eth_dev *dev;
2521
2522         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2523         if (udp_tunnel == NULL) {
2524                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2525                 return -EINVAL;
2526         }
2527
2528         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2529                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2530                 return -EINVAL;
2531         }
2532
2533         dev = &rte_eth_devices[port_id];
2534         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2535         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2536 }
2537
2538 int
2539 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2540                                    struct rte_eth_udp_tunnel *udp_tunnel)
2541 {
2542         struct rte_eth_dev *dev;
2543
2544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2545         dev = &rte_eth_devices[port_id];
2546
2547         if (udp_tunnel == NULL) {
2548                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2549                 return -EINVAL;
2550         }
2551
2552         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2553                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2554                 return -EINVAL;
2555         }
2556
2557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2558         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2559 }
2560
2561 int
2562 rte_eth_led_on(uint8_t port_id)
2563 {
2564         struct rte_eth_dev *dev;
2565
2566         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2567         dev = &rte_eth_devices[port_id];
2568         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2569         return (*dev->dev_ops->dev_led_on)(dev);
2570 }
2571
2572 int
2573 rte_eth_led_off(uint8_t port_id)
2574 {
2575         struct rte_eth_dev *dev;
2576
2577         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2578         dev = &rte_eth_devices[port_id];
2579         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2580         return (*dev->dev_ops->dev_led_off)(dev);
2581 }
2582
2583 /*
2584  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2585  * an empty spot.
2586  */
2587 static int
2588 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2589 {
2590         struct rte_eth_dev_info dev_info;
2591         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2592         unsigned i;
2593
2594         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2595         rte_eth_dev_info_get(port_id, &dev_info);
2596
2597         for (i = 0; i < dev_info.max_mac_addrs; i++)
2598                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2599                         return i;
2600
2601         return -1;
2602 }
2603
2604 static const struct ether_addr null_mac_addr;
2605
2606 int
2607 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2608                         uint32_t pool)
2609 {
2610         struct rte_eth_dev *dev;
2611         int index;
2612         uint64_t pool_mask;
2613         int ret;
2614
2615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2616         dev = &rte_eth_devices[port_id];
2617         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2618
2619         if (is_zero_ether_addr(addr)) {
2620                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2621                         port_id);
2622                 return -EINVAL;
2623         }
2624         if (pool >= ETH_64_POOLS) {
2625                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2626                 return -EINVAL;
2627         }
2628
2629         index = get_mac_addr_index(port_id, addr);
2630         if (index < 0) {
2631                 index = get_mac_addr_index(port_id, &null_mac_addr);
2632                 if (index < 0) {
2633                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2634                                 port_id);
2635                         return -ENOSPC;
2636                 }
2637         } else {
2638                 pool_mask = dev->data->mac_pool_sel[index];
2639
2640                 /* Check if both MAC address and pool is already there, and do nothing */
2641                 if (pool_mask & (1ULL << pool))
2642                         return 0;
2643         }
2644
2645         /* Update NIC */
2646         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2647
2648         if (ret == 0) {
2649                 /* Update address in NIC data structure */
2650                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2651
2652                 /* Update pool bitmap in NIC data structure */
2653                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2654         }
2655
2656         return ret;
2657 }
2658
2659 int
2660 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2661 {
2662         struct rte_eth_dev *dev;
2663         int index;
2664
2665         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2666         dev = &rte_eth_devices[port_id];
2667         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2668
2669         index = get_mac_addr_index(port_id, addr);
2670         if (index == 0) {
2671                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2672                 return -EADDRINUSE;
2673         } else if (index < 0)
2674                 return 0;  /* Do nothing if address wasn't found */
2675
2676         /* Update NIC */
2677         (*dev->dev_ops->mac_addr_remove)(dev, index);
2678
2679         /* Update address in NIC data structure */
2680         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2681
2682         /* reset pool bitmap */
2683         dev->data->mac_pool_sel[index] = 0;
2684
2685         return 0;
2686 }
2687
2688 int
2689 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2690 {
2691         struct rte_eth_dev *dev;
2692
2693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2694
2695         if (!is_valid_assigned_ether_addr(addr))
2696                 return -EINVAL;
2697
2698         dev = &rte_eth_devices[port_id];
2699         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2700
2701         /* Update default address in NIC data structure */
2702         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2703
2704         (*dev->dev_ops->mac_addr_set)(dev, addr);
2705
2706         return 0;
2707 }
2708
2709
2710 /*
2711  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2712  * an empty spot.
2713  */
2714 static int
2715 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2716 {
2717         struct rte_eth_dev_info dev_info;
2718         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2719         unsigned i;
2720
2721         rte_eth_dev_info_get(port_id, &dev_info);
2722         if (!dev->data->hash_mac_addrs)
2723                 return -1;
2724
2725         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2726                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2727                         ETHER_ADDR_LEN) == 0)
2728                         return i;
2729
2730         return -1;
2731 }
2732
2733 int
2734 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2735                                 uint8_t on)
2736 {
2737         int index;
2738         int ret;
2739         struct rte_eth_dev *dev;
2740
2741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2742
2743         dev = &rte_eth_devices[port_id];
2744         if (is_zero_ether_addr(addr)) {
2745                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2746                         port_id);
2747                 return -EINVAL;
2748         }
2749
2750         index = get_hash_mac_addr_index(port_id, addr);
2751         /* Check if it's already there, and do nothing */
2752         if ((index >= 0) && (on))
2753                 return 0;
2754
2755         if (index < 0) {
2756                 if (!on) {
2757                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2758                                 "set in UTA\n", port_id);
2759                         return -EINVAL;
2760                 }
2761
2762                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2763                 if (index < 0) {
2764                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2765                                         port_id);
2766                         return -ENOSPC;
2767                 }
2768         }
2769
2770         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2771         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2772         if (ret == 0) {
2773                 /* Update address in NIC data structure */
2774                 if (on)
2775                         ether_addr_copy(addr,
2776                                         &dev->data->hash_mac_addrs[index]);
2777                 else
2778                         ether_addr_copy(&null_mac_addr,
2779                                         &dev->data->hash_mac_addrs[index]);
2780         }
2781
2782         return ret;
2783 }
2784
2785 int
2786 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2787 {
2788         struct rte_eth_dev *dev;
2789
2790         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2791
2792         dev = &rte_eth_devices[port_id];
2793
2794         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2795         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2796 }
2797
2798 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2799                                         uint16_t tx_rate)
2800 {
2801         struct rte_eth_dev *dev;
2802         struct rte_eth_dev_info dev_info;
2803         struct rte_eth_link link;
2804
2805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2806
2807         dev = &rte_eth_devices[port_id];
2808         rte_eth_dev_info_get(port_id, &dev_info);
2809         link = dev->data->dev_link;
2810
2811         if (queue_idx > dev_info.max_tx_queues) {
2812                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2813                                 "invalid queue id=%d\n", port_id, queue_idx);
2814                 return -EINVAL;
2815         }
2816
2817         if (tx_rate > link.link_speed) {
2818                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2819                                 "bigger than link speed= %d\n",
2820                         tx_rate, link.link_speed);
2821                 return -EINVAL;
2822         }
2823
2824         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2825         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2826 }
2827
2828 int
2829 rte_eth_mirror_rule_set(uint8_t port_id,
2830                         struct rte_eth_mirror_conf *mirror_conf,
2831                         uint8_t rule_id, uint8_t on)
2832 {
2833         struct rte_eth_dev *dev;
2834
2835         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2836         if (mirror_conf->rule_type == 0) {
2837                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2838                 return -EINVAL;
2839         }
2840
2841         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2842                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2843                                 ETH_64_POOLS - 1);
2844                 return -EINVAL;
2845         }
2846
2847         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2848              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2849             (mirror_conf->pool_mask == 0)) {
2850                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2851                 return -EINVAL;
2852         }
2853
2854         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2855             mirror_conf->vlan.vlan_mask == 0) {
2856                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2857                 return -EINVAL;
2858         }
2859
2860         dev = &rte_eth_devices[port_id];
2861         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2862
2863         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2864 }
2865
2866 int
2867 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2868 {
2869         struct rte_eth_dev *dev;
2870
2871         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2872
2873         dev = &rte_eth_devices[port_id];
2874         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2875
2876         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2877 }
2878
2879 int
2880 rte_eth_dev_callback_register(uint8_t port_id,
2881                         enum rte_eth_event_type event,
2882                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2883 {
2884         struct rte_eth_dev *dev;
2885         struct rte_eth_dev_callback *user_cb;
2886
2887         if (!cb_fn)
2888                 return -EINVAL;
2889
2890         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2891
2892         dev = &rte_eth_devices[port_id];
2893         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2894
2895         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2896                 if (user_cb->cb_fn == cb_fn &&
2897                         user_cb->cb_arg == cb_arg &&
2898                         user_cb->event == event) {
2899                         break;
2900                 }
2901         }
2902
2903         /* create a new callback. */
2904         if (user_cb == NULL) {
2905                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2906                                         sizeof(struct rte_eth_dev_callback), 0);
2907                 if (user_cb != NULL) {
2908                         user_cb->cb_fn = cb_fn;
2909                         user_cb->cb_arg = cb_arg;
2910                         user_cb->event = event;
2911                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2912                 }
2913         }
2914
2915         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2916         return (user_cb == NULL) ? -ENOMEM : 0;
2917 }
2918
2919 int
2920 rte_eth_dev_callback_unregister(uint8_t port_id,
2921                         enum rte_eth_event_type event,
2922                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2923 {
2924         int ret;
2925         struct rte_eth_dev *dev;
2926         struct rte_eth_dev_callback *cb, *next;
2927
2928         if (!cb_fn)
2929                 return -EINVAL;
2930
2931         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2932
2933         dev = &rte_eth_devices[port_id];
2934         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2935
2936         ret = 0;
2937         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2938
2939                 next = TAILQ_NEXT(cb, next);
2940
2941                 if (cb->cb_fn != cb_fn || cb->event != event ||
2942                                 (cb->cb_arg != (void *)-1 &&
2943                                 cb->cb_arg != cb_arg))
2944                         continue;
2945
2946                 /*
2947                  * if this callback is not executing right now,
2948                  * then remove it.
2949                  */
2950                 if (cb->active == 0) {
2951                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2952                         rte_free(cb);
2953                 } else {
2954                         ret = -EAGAIN;
2955                 }
2956         }
2957
2958         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2959         return ret;
2960 }
2961
2962 int
2963 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2964         enum rte_eth_event_type event, void *cb_arg, void *ret_param)
2965 {
2966         struct rte_eth_dev_callback *cb_lst;
2967         struct rte_eth_dev_callback dev_cb;
2968         int rc = 0;
2969
2970         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2971         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2972                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2973                         continue;
2974                 dev_cb = *cb_lst;
2975                 cb_lst->active = 1;
2976                 if (cb_arg != NULL)
2977                         dev_cb.cb_arg = cb_arg;
2978                 if (ret_param != NULL)
2979                         dev_cb.ret_param = ret_param;
2980
2981                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2982                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2983                                 dev_cb.cb_arg, dev_cb.ret_param);
2984                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2985                 cb_lst->active = 0;
2986         }
2987         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2988         return rc;
2989 }
2990
2991 int
2992 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2993 {
2994         uint32_t vec;
2995         struct rte_eth_dev *dev;
2996         struct rte_intr_handle *intr_handle;
2997         uint16_t qid;
2998         int rc;
2999
3000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3001
3002         dev = &rte_eth_devices[port_id];
3003
3004         if (!dev->intr_handle) {
3005                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3006                 return -ENOTSUP;
3007         }
3008
3009         intr_handle = dev->intr_handle;
3010         if (!intr_handle->intr_vec) {
3011                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3012                 return -EPERM;
3013         }
3014
3015         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3016                 vec = intr_handle->intr_vec[qid];
3017                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3018                 if (rc && rc != -EEXIST) {
3019                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3020                                         " op %d epfd %d vec %u\n",
3021                                         port_id, qid, op, epfd, vec);
3022                 }
3023         }
3024
3025         return 0;
3026 }
3027
3028 const struct rte_memzone *
3029 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3030                          uint16_t queue_id, size_t size, unsigned align,
3031                          int socket_id)
3032 {
3033         char z_name[RTE_MEMZONE_NAMESIZE];
3034         const struct rte_memzone *mz;
3035
3036         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3037                  dev->device->driver->name, ring_name,
3038                  dev->data->port_id, queue_id);
3039
3040         mz = rte_memzone_lookup(z_name);
3041         if (mz)
3042                 return mz;
3043
3044         if (rte_xen_dom0_supported())
3045                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
3046                                                    0, align, RTE_PGSIZE_2M);
3047         else
3048                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
3049                                                    0, align);
3050 }
3051
3052 int
3053 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
3054                           int epfd, int op, void *data)
3055 {
3056         uint32_t vec;
3057         struct rte_eth_dev *dev;
3058         struct rte_intr_handle *intr_handle;
3059         int rc;
3060
3061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3062
3063         dev = &rte_eth_devices[port_id];
3064         if (queue_id >= dev->data->nb_rx_queues) {
3065                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3066                 return -EINVAL;
3067         }
3068
3069         if (!dev->intr_handle) {
3070                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3071                 return -ENOTSUP;
3072         }
3073
3074         intr_handle = dev->intr_handle;
3075         if (!intr_handle->intr_vec) {
3076                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3077                 return -EPERM;
3078         }
3079
3080         vec = intr_handle->intr_vec[queue_id];
3081         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3082         if (rc && rc != -EEXIST) {
3083                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3084                                 " op %d epfd %d vec %u\n",
3085                                 port_id, queue_id, op, epfd, vec);
3086                 return rc;
3087         }
3088
3089         return 0;
3090 }
3091
3092 int
3093 rte_eth_dev_rx_intr_enable(uint8_t port_id,
3094                            uint16_t queue_id)
3095 {
3096         struct rte_eth_dev *dev;
3097
3098         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3099
3100         dev = &rte_eth_devices[port_id];
3101
3102         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3103         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
3104 }
3105
3106 int
3107 rte_eth_dev_rx_intr_disable(uint8_t port_id,
3108                             uint16_t queue_id)
3109 {
3110         struct rte_eth_dev *dev;
3111
3112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3113
3114         dev = &rte_eth_devices[port_id];
3115
3116         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3117         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
3118 }
3119
3120
3121 int
3122 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
3123 {
3124         struct rte_eth_dev *dev;
3125
3126         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3127
3128         dev = &rte_eth_devices[port_id];
3129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3130         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3131                                 RTE_ETH_FILTER_NOP, NULL);
3132 }
3133
3134 int
3135 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
3136                        enum rte_filter_op filter_op, void *arg)
3137 {
3138         struct rte_eth_dev *dev;
3139
3140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3141
3142         dev = &rte_eth_devices[port_id];
3143         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3144         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
3145 }
3146
3147 void *
3148 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
3149                 rte_rx_callback_fn fn, void *user_param)
3150 {
3151 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3152         rte_errno = ENOTSUP;
3153         return NULL;
3154 #endif
3155         /* check input parameters */
3156         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3157                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3158                 rte_errno = EINVAL;
3159                 return NULL;
3160         }
3161         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3162
3163         if (cb == NULL) {
3164                 rte_errno = ENOMEM;
3165                 return NULL;
3166         }
3167
3168         cb->fn.rx = fn;
3169         cb->param = user_param;
3170
3171         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3172         /* Add the callbacks in fifo order. */
3173         struct rte_eth_rxtx_callback *tail =
3174                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3175
3176         if (!tail) {
3177                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3178
3179         } else {
3180                 while (tail->next)
3181                         tail = tail->next;
3182                 tail->next = cb;
3183         }
3184         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3185
3186         return cb;
3187 }
3188
3189 void *
3190 rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id,
3191                 rte_rx_callback_fn fn, void *user_param)
3192 {
3193 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3194         rte_errno = ENOTSUP;
3195         return NULL;
3196 #endif
3197         /* check input parameters */
3198         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3199                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3200                 rte_errno = EINVAL;
3201                 return NULL;
3202         }
3203
3204         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3205
3206         if (cb == NULL) {
3207                 rte_errno = ENOMEM;
3208                 return NULL;
3209         }
3210
3211         cb->fn.rx = fn;
3212         cb->param = user_param;
3213
3214         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3215         /* Add the callbacks at fisrt position*/
3216         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3217         rte_smp_wmb();
3218         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3219         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3220
3221         return cb;
3222 }
3223
3224 void *
3225 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
3226                 rte_tx_callback_fn fn, void *user_param)
3227 {
3228 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3229         rte_errno = ENOTSUP;
3230         return NULL;
3231 #endif
3232         /* check input parameters */
3233         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3234                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3235                 rte_errno = EINVAL;
3236                 return NULL;
3237         }
3238
3239         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3240
3241         if (cb == NULL) {
3242                 rte_errno = ENOMEM;
3243                 return NULL;
3244         }
3245
3246         cb->fn.tx = fn;
3247         cb->param = user_param;
3248
3249         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3250         /* Add the callbacks in fifo order. */
3251         struct rte_eth_rxtx_callback *tail =
3252                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3253
3254         if (!tail) {
3255                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3256
3257         } else {
3258                 while (tail->next)
3259                         tail = tail->next;
3260                 tail->next = cb;
3261         }
3262         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3263
3264         return cb;
3265 }
3266
3267 int
3268 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3269                 struct rte_eth_rxtx_callback *user_cb)
3270 {
3271 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3272         return -ENOTSUP;
3273 #endif
3274         /* Check input parameters. */
3275         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3276         if (user_cb == NULL ||
3277                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3278                 return -EINVAL;
3279
3280         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3281         struct rte_eth_rxtx_callback *cb;
3282         struct rte_eth_rxtx_callback **prev_cb;
3283         int ret = -EINVAL;
3284
3285         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3286         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3287         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3288                 cb = *prev_cb;
3289                 if (cb == user_cb) {
3290                         /* Remove the user cb from the callback list. */
3291                         *prev_cb = cb->next;
3292                         ret = 0;
3293                         break;
3294                 }
3295         }
3296         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3297
3298         return ret;
3299 }
3300
3301 int
3302 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3303                 struct rte_eth_rxtx_callback *user_cb)
3304 {
3305 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3306         return -ENOTSUP;
3307 #endif
3308         /* Check input parameters. */
3309         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3310         if (user_cb == NULL ||
3311                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3312                 return -EINVAL;
3313
3314         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3315         int ret = -EINVAL;
3316         struct rte_eth_rxtx_callback *cb;
3317         struct rte_eth_rxtx_callback **prev_cb;
3318
3319         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3320         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3321         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3322                 cb = *prev_cb;
3323                 if (cb == user_cb) {
3324                         /* Remove the user cb from the callback list. */
3325                         *prev_cb = cb->next;
3326                         ret = 0;
3327                         break;
3328                 }
3329         }
3330         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3331
3332         return ret;
3333 }
3334
3335 int
3336 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3337         struct rte_eth_rxq_info *qinfo)
3338 {
3339         struct rte_eth_dev *dev;
3340
3341         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3342
3343         if (qinfo == NULL)
3344                 return -EINVAL;
3345
3346         dev = &rte_eth_devices[port_id];
3347         if (queue_id >= dev->data->nb_rx_queues) {
3348                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3349                 return -EINVAL;
3350         }
3351
3352         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3353
3354         memset(qinfo, 0, sizeof(*qinfo));
3355         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3356         return 0;
3357 }
3358
3359 int
3360 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3361         struct rte_eth_txq_info *qinfo)
3362 {
3363         struct rte_eth_dev *dev;
3364
3365         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3366
3367         if (qinfo == NULL)
3368                 return -EINVAL;
3369
3370         dev = &rte_eth_devices[port_id];
3371         if (queue_id >= dev->data->nb_tx_queues) {
3372                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3373                 return -EINVAL;
3374         }
3375
3376         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3377
3378         memset(qinfo, 0, sizeof(*qinfo));
3379         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3380         return 0;
3381 }
3382
3383 int
3384 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3385                              struct ether_addr *mc_addr_set,
3386                              uint32_t nb_mc_addr)
3387 {
3388         struct rte_eth_dev *dev;
3389
3390         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3391
3392         dev = &rte_eth_devices[port_id];
3393         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3394         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3395 }
3396
3397 int
3398 rte_eth_timesync_enable(uint8_t port_id)
3399 {
3400         struct rte_eth_dev *dev;
3401
3402         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3403         dev = &rte_eth_devices[port_id];
3404
3405         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3406         return (*dev->dev_ops->timesync_enable)(dev);
3407 }
3408
3409 int
3410 rte_eth_timesync_disable(uint8_t port_id)
3411 {
3412         struct rte_eth_dev *dev;
3413
3414         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3415         dev = &rte_eth_devices[port_id];
3416
3417         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3418         return (*dev->dev_ops->timesync_disable)(dev);
3419 }
3420
3421 int
3422 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3423                                    uint32_t flags)
3424 {
3425         struct rte_eth_dev *dev;
3426
3427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3428         dev = &rte_eth_devices[port_id];
3429
3430         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3431         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3432 }
3433
3434 int
3435 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3436 {
3437         struct rte_eth_dev *dev;
3438
3439         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3440         dev = &rte_eth_devices[port_id];
3441
3442         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3443         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3444 }
3445
3446 int
3447 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3448 {
3449         struct rte_eth_dev *dev;
3450
3451         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3452         dev = &rte_eth_devices[port_id];
3453
3454         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3455         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3456 }
3457
3458 int
3459 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3460 {
3461         struct rte_eth_dev *dev;
3462
3463         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3464         dev = &rte_eth_devices[port_id];
3465
3466         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3467         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3468 }
3469
3470 int
3471 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3472 {
3473         struct rte_eth_dev *dev;
3474
3475         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3476         dev = &rte_eth_devices[port_id];
3477
3478         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3479         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3480 }
3481
3482 int
3483 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3484 {
3485         struct rte_eth_dev *dev;
3486
3487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3488
3489         dev = &rte_eth_devices[port_id];
3490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3491         return (*dev->dev_ops->get_reg)(dev, info);
3492 }
3493
3494 int
3495 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3496 {
3497         struct rte_eth_dev *dev;
3498
3499         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3500
3501         dev = &rte_eth_devices[port_id];
3502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3503         return (*dev->dev_ops->get_eeprom_length)(dev);
3504 }
3505
3506 int
3507 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3508 {
3509         struct rte_eth_dev *dev;
3510
3511         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3512
3513         dev = &rte_eth_devices[port_id];
3514         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3515         return (*dev->dev_ops->get_eeprom)(dev, info);
3516 }
3517
3518 int
3519 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3520 {
3521         struct rte_eth_dev *dev;
3522
3523         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3524
3525         dev = &rte_eth_devices[port_id];
3526         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3527         return (*dev->dev_ops->set_eeprom)(dev, info);
3528 }
3529
3530 int
3531 rte_eth_dev_get_dcb_info(uint8_t port_id,
3532                              struct rte_eth_dcb_info *dcb_info)
3533 {
3534         struct rte_eth_dev *dev;
3535
3536         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3537
3538         dev = &rte_eth_devices[port_id];
3539         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3540
3541         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3542         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3543 }
3544
3545 int
3546 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3547                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3548 {
3549         struct rte_eth_dev *dev;
3550
3551         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3552         if (l2_tunnel == NULL) {
3553                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3554                 return -EINVAL;
3555         }
3556
3557         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3558                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3559                 return -EINVAL;
3560         }
3561
3562         dev = &rte_eth_devices[port_id];
3563         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3564                                 -ENOTSUP);
3565         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3566 }
3567
3568 int
3569 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3570                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3571                                   uint32_t mask,
3572                                   uint8_t en)
3573 {
3574         struct rte_eth_dev *dev;
3575
3576         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3577
3578         if (l2_tunnel == NULL) {
3579                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3580                 return -EINVAL;
3581         }
3582
3583         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3584                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3585                 return -EINVAL;
3586         }
3587
3588         if (mask == 0) {
3589                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3590                 return -EINVAL;
3591         }
3592
3593         dev = &rte_eth_devices[port_id];
3594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3595                                 -ENOTSUP);
3596         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3597 }
3598
3599 static void
3600 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
3601                            const struct rte_eth_desc_lim *desc_lim)
3602 {
3603         if (desc_lim->nb_align != 0)
3604                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
3605
3606         if (desc_lim->nb_max != 0)
3607                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
3608
3609         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
3610 }
3611
3612 int
3613 rte_eth_dev_adjust_nb_rx_tx_desc(uint8_t port_id,
3614                                  uint16_t *nb_rx_desc,
3615                                  uint16_t *nb_tx_desc)
3616 {
3617         struct rte_eth_dev *dev;
3618         struct rte_eth_dev_info dev_info;
3619
3620         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3621
3622         dev = &rte_eth_devices[port_id];
3623         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3624
3625         rte_eth_dev_info_get(port_id, &dev_info);
3626
3627         if (nb_rx_desc != NULL)
3628                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
3629
3630         if (nb_tx_desc != NULL)
3631                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
3632
3633         return 0;
3634 }