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 int
1218 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1219                        uint16_t nb_tx_desc, unsigned int socket_id,
1220                        const struct rte_eth_txconf *tx_conf)
1221 {
1222         struct rte_eth_dev *dev;
1223         struct rte_eth_dev_info dev_info;
1224         void **txq;
1225
1226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1227
1228         dev = &rte_eth_devices[port_id];
1229         if (tx_queue_id >= dev->data->nb_tx_queues) {
1230                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1231                 return -EINVAL;
1232         }
1233
1234         if (dev->data->dev_started) {
1235                 RTE_PMD_DEBUG_TRACE(
1236                     "port %d must be stopped to allow configuration\n", port_id);
1237                 return -EBUSY;
1238         }
1239
1240         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1241         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1242
1243         rte_eth_dev_info_get(port_id, &dev_info);
1244
1245         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1246             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1247             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1248                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1249                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1250                                 nb_tx_desc,
1251                                 dev_info.tx_desc_lim.nb_max,
1252                                 dev_info.tx_desc_lim.nb_min,
1253                                 dev_info.tx_desc_lim.nb_align);
1254                 return -EINVAL;
1255         }
1256
1257         txq = dev->data->tx_queues;
1258         if (txq[tx_queue_id]) {
1259                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1260                                         -ENOTSUP);
1261                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1262                 txq[tx_queue_id] = NULL;
1263         }
1264
1265         if (tx_conf == NULL)
1266                 tx_conf = &dev_info.default_txconf;
1267
1268         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1269                                                socket_id, tx_conf);
1270 }
1271
1272 void
1273 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1274                 void *userdata __rte_unused)
1275 {
1276         unsigned i;
1277
1278         for (i = 0; i < unsent; i++)
1279                 rte_pktmbuf_free(pkts[i]);
1280 }
1281
1282 void
1283 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1284                 void *userdata)
1285 {
1286         uint64_t *count = userdata;
1287         unsigned i;
1288
1289         for (i = 0; i < unsent; i++)
1290                 rte_pktmbuf_free(pkts[i]);
1291
1292         *count += unsent;
1293 }
1294
1295 int
1296 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1297                 buffer_tx_error_fn cbfn, void *userdata)
1298 {
1299         buffer->error_callback = cbfn;
1300         buffer->error_userdata = userdata;
1301         return 0;
1302 }
1303
1304 int
1305 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1306 {
1307         int ret = 0;
1308
1309         if (buffer == NULL)
1310                 return -EINVAL;
1311
1312         buffer->size = size;
1313         if (buffer->error_callback == NULL) {
1314                 ret = rte_eth_tx_buffer_set_err_callback(
1315                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1316         }
1317
1318         return ret;
1319 }
1320
1321 int
1322 rte_eth_tx_done_cleanup(uint8_t port_id, uint16_t queue_id, uint32_t free_cnt)
1323 {
1324         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1325
1326         /* Validate Input Data. Bail if not valid or not supported. */
1327         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1329
1330         /* Call driver to free pending mbufs. */
1331         return (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1332                         free_cnt);
1333 }
1334
1335 void
1336 rte_eth_promiscuous_enable(uint8_t port_id)
1337 {
1338         struct rte_eth_dev *dev;
1339
1340         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1341         dev = &rte_eth_devices[port_id];
1342
1343         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1344         (*dev->dev_ops->promiscuous_enable)(dev);
1345         dev->data->promiscuous = 1;
1346 }
1347
1348 void
1349 rte_eth_promiscuous_disable(uint8_t port_id)
1350 {
1351         struct rte_eth_dev *dev;
1352
1353         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1354         dev = &rte_eth_devices[port_id];
1355
1356         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1357         dev->data->promiscuous = 0;
1358         (*dev->dev_ops->promiscuous_disable)(dev);
1359 }
1360
1361 int
1362 rte_eth_promiscuous_get(uint8_t port_id)
1363 {
1364         struct rte_eth_dev *dev;
1365
1366         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1367
1368         dev = &rte_eth_devices[port_id];
1369         return dev->data->promiscuous;
1370 }
1371
1372 void
1373 rte_eth_allmulticast_enable(uint8_t port_id)
1374 {
1375         struct rte_eth_dev *dev;
1376
1377         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1378         dev = &rte_eth_devices[port_id];
1379
1380         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1381         (*dev->dev_ops->allmulticast_enable)(dev);
1382         dev->data->all_multicast = 1;
1383 }
1384
1385 void
1386 rte_eth_allmulticast_disable(uint8_t port_id)
1387 {
1388         struct rte_eth_dev *dev;
1389
1390         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1391         dev = &rte_eth_devices[port_id];
1392
1393         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1394         dev->data->all_multicast = 0;
1395         (*dev->dev_ops->allmulticast_disable)(dev);
1396 }
1397
1398 int
1399 rte_eth_allmulticast_get(uint8_t port_id)
1400 {
1401         struct rte_eth_dev *dev;
1402
1403         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1404
1405         dev = &rte_eth_devices[port_id];
1406         return dev->data->all_multicast;
1407 }
1408
1409 static inline int
1410 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1411                                 struct rte_eth_link *link)
1412 {
1413         struct rte_eth_link *dst = link;
1414         struct rte_eth_link *src = &(dev->data->dev_link);
1415
1416         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1417                                         *(uint64_t *)src) == 0)
1418                 return -1;
1419
1420         return 0;
1421 }
1422
1423 void
1424 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1425 {
1426         struct rte_eth_dev *dev;
1427
1428         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1429         dev = &rte_eth_devices[port_id];
1430
1431         if (dev->data->dev_conf.intr_conf.lsc != 0)
1432                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1433         else {
1434                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1435                 (*dev->dev_ops->link_update)(dev, 1);
1436                 *eth_link = dev->data->dev_link;
1437         }
1438 }
1439
1440 void
1441 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1442 {
1443         struct rte_eth_dev *dev;
1444
1445         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1446         dev = &rte_eth_devices[port_id];
1447
1448         if (dev->data->dev_conf.intr_conf.lsc != 0)
1449                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1450         else {
1451                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1452                 (*dev->dev_ops->link_update)(dev, 0);
1453                 *eth_link = dev->data->dev_link;
1454         }
1455 }
1456
1457 int
1458 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1459 {
1460         struct rte_eth_dev *dev;
1461
1462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1463
1464         dev = &rte_eth_devices[port_id];
1465         memset(stats, 0, sizeof(*stats));
1466
1467         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1468         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1469         (*dev->dev_ops->stats_get)(dev, stats);
1470         return 0;
1471 }
1472
1473 void
1474 rte_eth_stats_reset(uint8_t port_id)
1475 {
1476         struct rte_eth_dev *dev;
1477
1478         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1479         dev = &rte_eth_devices[port_id];
1480
1481         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1482         (*dev->dev_ops->stats_reset)(dev);
1483         dev->data->rx_mbuf_alloc_failed = 0;
1484 }
1485
1486 static int
1487 get_xstats_count(uint8_t port_id)
1488 {
1489         struct rte_eth_dev *dev;
1490         int count;
1491
1492         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1493         dev = &rte_eth_devices[port_id];
1494         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1495                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1496                                 NULL, 0);
1497                 if (count < 0)
1498                         return count;
1499         }
1500         if (dev->dev_ops->xstats_get_names != NULL) {
1501                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1502                 if (count < 0)
1503                         return count;
1504         } else
1505                 count = 0;
1506
1507         count += RTE_NB_STATS;
1508         count += RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1509                  RTE_NB_RXQ_STATS;
1510         count += RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1511                  RTE_NB_TXQ_STATS;
1512         return count;
1513 }
1514
1515 int
1516 rte_eth_xstats_get_id_by_name(uint8_t port_id, const char *xstat_name,
1517                 uint64_t *id)
1518 {
1519         int cnt_xstats, idx_xstat;
1520
1521         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1522
1523         if (!id) {
1524                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1525                 return -ENOMEM;
1526         }
1527
1528         if (!xstat_name) {
1529                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1530                 return -ENOMEM;
1531         }
1532
1533         /* Get count */
1534         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1535         if (cnt_xstats  < 0) {
1536                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1537                 return -ENODEV;
1538         }
1539
1540         /* Get id-name lookup table */
1541         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1542
1543         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1544                         port_id, xstats_names, cnt_xstats, NULL)) {
1545                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1546                 return -1;
1547         }
1548
1549         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1550                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1551                         *id = idx_xstat;
1552                         return 0;
1553                 };
1554         }
1555
1556         return -EINVAL;
1557 }
1558
1559 int
1560 rte_eth_xstats_get_names_by_id(uint8_t port_id,
1561         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1562         uint64_t *ids)
1563 {
1564         /* Get all xstats */
1565         if (!ids) {
1566                 struct rte_eth_dev *dev;
1567                 int cnt_used_entries;
1568                 int cnt_expected_entries;
1569                 int cnt_driver_entries;
1570                 uint32_t idx, id_queue;
1571                 uint16_t num_q;
1572
1573                 cnt_expected_entries = get_xstats_count(port_id);
1574                 if (xstats_names == NULL || cnt_expected_entries < 0 ||
1575                                 (int)size < cnt_expected_entries)
1576                         return cnt_expected_entries;
1577
1578                 /* port_id checked in get_xstats_count() */
1579                 dev = &rte_eth_devices[port_id];
1580                 cnt_used_entries = 0;
1581
1582                 for (idx = 0; idx < RTE_NB_STATS; idx++) {
1583                         snprintf(xstats_names[cnt_used_entries].name,
1584                                 sizeof(xstats_names[0].name),
1585                                 "%s", rte_stats_strings[idx].name);
1586                         cnt_used_entries++;
1587                 }
1588                 num_q = RTE_MIN(dev->data->nb_rx_queues,
1589                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1590                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1591                         for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1592                                 snprintf(xstats_names[cnt_used_entries].name,
1593                                         sizeof(xstats_names[0].name),
1594                                         "rx_q%u%s",
1595                                         id_queue,
1596                                         rte_rxq_stats_strings[idx].name);
1597                                 cnt_used_entries++;
1598                         }
1599
1600                 }
1601                 num_q = RTE_MIN(dev->data->nb_tx_queues,
1602                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1603                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1604                         for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1605                                 snprintf(xstats_names[cnt_used_entries].name,
1606                                         sizeof(xstats_names[0].name),
1607                                         "tx_q%u%s",
1608                                         id_queue,
1609                                         rte_txq_stats_strings[idx].name);
1610                                 cnt_used_entries++;
1611                         }
1612                 }
1613
1614                 if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1615                         /* If there are any driver-specific xstats, append them
1616                          * to end of list.
1617                          */
1618                         cnt_driver_entries =
1619                                 (*dev->dev_ops->xstats_get_names_by_id)(
1620                                 dev,
1621                                 xstats_names + cnt_used_entries,
1622                                 NULL,
1623                                 size - cnt_used_entries);
1624                         if (cnt_driver_entries < 0)
1625                                 return cnt_driver_entries;
1626                         cnt_used_entries += cnt_driver_entries;
1627
1628                 } else if (dev->dev_ops->xstats_get_names != NULL) {
1629                         /* If there are any driver-specific xstats, append them
1630                          * to end of list.
1631                          */
1632                         cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1633                                 dev,
1634                                 xstats_names + cnt_used_entries,
1635                                 size - cnt_used_entries);
1636                         if (cnt_driver_entries < 0)
1637                                 return cnt_driver_entries;
1638                         cnt_used_entries += cnt_driver_entries;
1639                 }
1640
1641                 return cnt_used_entries;
1642         }
1643         /* Get only xstats given by IDS */
1644         else {
1645                 uint16_t len, i;
1646                 struct rte_eth_xstat_name *xstats_names_copy;
1647
1648                 len = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1649
1650                 xstats_names_copy =
1651                                 malloc(sizeof(struct rte_eth_xstat_name) * len);
1652                 if (!xstats_names_copy) {
1653                         RTE_PMD_DEBUG_TRACE(
1654                              "ERROR: can't allocate memory for values_copy\n");
1655                         free(xstats_names_copy);
1656                         return -1;
1657                 }
1658
1659                 rte_eth_xstats_get_names_by_id(port_id, xstats_names_copy,
1660                                 len, NULL);
1661
1662                 for (i = 0; i < size; i++) {
1663                         if (ids[i] >= len) {
1664                                 RTE_PMD_DEBUG_TRACE(
1665                                         "ERROR: id value isn't valid\n");
1666                                 return -1;
1667                         }
1668                         strcpy(xstats_names[i].name,
1669                                         xstats_names_copy[ids[i]].name);
1670                 }
1671                 free(xstats_names_copy);
1672                 return size;
1673         }
1674 }
1675
1676 int
1677 rte_eth_xstats_get_names(uint8_t port_id,
1678         struct rte_eth_xstat_name *xstats_names,
1679         unsigned int size)
1680 {
1681         struct rte_eth_dev *dev;
1682         int cnt_used_entries;
1683         int cnt_expected_entries;
1684         int cnt_driver_entries;
1685         uint32_t idx, id_queue;
1686         uint16_t num_q;
1687
1688         cnt_expected_entries = get_xstats_count(port_id);
1689         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1690                         (int)size < cnt_expected_entries)
1691                 return cnt_expected_entries;
1692
1693         /* port_id checked in get_xstats_count() */
1694         dev = &rte_eth_devices[port_id];
1695         cnt_used_entries = 0;
1696
1697         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1698                 snprintf(xstats_names[cnt_used_entries].name,
1699                         sizeof(xstats_names[0].name),
1700                         "%s", rte_stats_strings[idx].name);
1701                 cnt_used_entries++;
1702         }
1703         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1704         for (id_queue = 0; id_queue < num_q; id_queue++) {
1705                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1706                         snprintf(xstats_names[cnt_used_entries].name,
1707                                 sizeof(xstats_names[0].name),
1708                                 "rx_q%u%s",
1709                                 id_queue, rte_rxq_stats_strings[idx].name);
1710                         cnt_used_entries++;
1711                 }
1712
1713         }
1714         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1715         for (id_queue = 0; id_queue < num_q; id_queue++) {
1716                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1717                         snprintf(xstats_names[cnt_used_entries].name,
1718                                 sizeof(xstats_names[0].name),
1719                                 "tx_q%u%s",
1720                                 id_queue, rte_txq_stats_strings[idx].name);
1721                         cnt_used_entries++;
1722                 }
1723         }
1724
1725         if (dev->dev_ops->xstats_get_names != NULL) {
1726                 /* If there are any driver-specific xstats, append them
1727                  * to end of list.
1728                  */
1729                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1730                         dev,
1731                         xstats_names + cnt_used_entries,
1732                         size - cnt_used_entries);
1733                 if (cnt_driver_entries < 0)
1734                         return cnt_driver_entries;
1735                 cnt_used_entries += cnt_driver_entries;
1736         }
1737
1738         return cnt_used_entries;
1739 }
1740
1741 /* retrieve ethdev extended statistics */
1742 int
1743 rte_eth_xstats_get_by_id(uint8_t port_id, const uint64_t *ids, uint64_t *values,
1744         unsigned int n)
1745 {
1746         /* If need all xstats */
1747         if (!ids) {
1748                 struct rte_eth_stats eth_stats;
1749                 struct rte_eth_dev *dev;
1750                 unsigned int count = 0, i, q;
1751                 signed int xcount = 0;
1752                 uint64_t val, *stats_ptr;
1753                 uint16_t nb_rxqs, nb_txqs;
1754
1755                 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1756                 dev = &rte_eth_devices[port_id];
1757
1758                 nb_rxqs = RTE_MIN(dev->data->nb_rx_queues,
1759                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1760                 nb_txqs = RTE_MIN(dev->data->nb_tx_queues,
1761                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1762
1763                 /* Return generic statistics */
1764                 count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1765                         (nb_txqs * RTE_NB_TXQ_STATS);
1766
1767
1768                 /* implemented by the driver */
1769                 if (dev->dev_ops->xstats_get_by_id != NULL) {
1770                         /* Retrieve the xstats from the driver at the end of the
1771                          * xstats struct. Retrieve all xstats.
1772                          */
1773                         xcount = (*dev->dev_ops->xstats_get_by_id)(dev,
1774                                         NULL,
1775                                         values ? values + count : NULL,
1776                                         (n > count) ? n - count : 0);
1777
1778                         if (xcount < 0)
1779                                 return xcount;
1780                 /* implemented by the driver */
1781                 } else if (dev->dev_ops->xstats_get != NULL) {
1782                         /* Retrieve the xstats from the driver at the end of the
1783                          * xstats struct. Retrieve all xstats.
1784                          * Compatibility for PMD without xstats_get_by_ids
1785                          */
1786                         unsigned int size = (n > count) ? n - count : 1;
1787                         struct rte_eth_xstat xstats[size];
1788
1789                         xcount = (*dev->dev_ops->xstats_get)(dev,
1790                                         values ? xstats : NULL, size);
1791
1792                         if (xcount < 0)
1793                                 return xcount;
1794
1795                         if (values != NULL)
1796                                 for (i = 0 ; i < (unsigned int)xcount; i++)
1797                                         values[i + count] = xstats[i].value;
1798                 }
1799
1800                 if (n < count + xcount || values == NULL)
1801                         return count + xcount;
1802
1803                 /* now fill the xstats structure */
1804                 count = 0;
1805                 rte_eth_stats_get(port_id, &eth_stats);
1806
1807                 /* global stats */
1808                 for (i = 0; i < RTE_NB_STATS; i++) {
1809                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1810                                                 rte_stats_strings[i].offset);
1811                         val = *stats_ptr;
1812                         values[count++] = val;
1813                 }
1814
1815                 /* per-rxq stats */
1816                 for (q = 0; q < nb_rxqs; q++) {
1817                         for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1818                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1819                                             rte_rxq_stats_strings[i].offset +
1820                                             q * sizeof(uint64_t));
1821                                 val = *stats_ptr;
1822                                 values[count++] = val;
1823                         }
1824                 }
1825
1826                 /* per-txq stats */
1827                 for (q = 0; q < nb_txqs; q++) {
1828                         for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1829                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1830                                             rte_txq_stats_strings[i].offset +
1831                                             q * sizeof(uint64_t));
1832                                 val = *stats_ptr;
1833                                 values[count++] = val;
1834                         }
1835                 }
1836
1837                 return count + xcount;
1838         }
1839         /* Need only xstats given by IDS array */
1840         else {
1841                 uint16_t i, size;
1842                 uint64_t *values_copy;
1843
1844                 size = rte_eth_xstats_get_by_id(port_id, NULL, NULL, 0);
1845
1846                 values_copy = malloc(sizeof(*values_copy) * size);
1847                 if (!values_copy) {
1848                         RTE_PMD_DEBUG_TRACE(
1849                             "ERROR: can't allocate memory for values_copy\n");
1850                         return -1;
1851                 }
1852
1853                 rte_eth_xstats_get_by_id(port_id, NULL, values_copy, size);
1854
1855                 for (i = 0; i < n; i++) {
1856                         if (ids[i] >= size) {
1857                                 RTE_PMD_DEBUG_TRACE(
1858                                         "ERROR: id value isn't valid\n");
1859                                 return -1;
1860                         }
1861                         values[i] = values_copy[ids[i]];
1862                 }
1863                 free(values_copy);
1864                 return n;
1865         }
1866 }
1867
1868 int
1869 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats,
1870         unsigned int n)
1871 {
1872         struct rte_eth_stats eth_stats;
1873         struct rte_eth_dev *dev;
1874         unsigned int count = 0, i, q;
1875         signed int xcount = 0;
1876         uint64_t val, *stats_ptr;
1877         uint16_t nb_rxqs, nb_txqs;
1878
1879         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1880
1881         dev = &rte_eth_devices[port_id];
1882
1883         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1884         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1885
1886         /* Return generic statistics */
1887         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1888                 (nb_txqs * RTE_NB_TXQ_STATS);
1889
1890         /* implemented by the driver */
1891         if (dev->dev_ops->xstats_get != NULL) {
1892                 /* Retrieve the xstats from the driver at the end of the
1893                  * xstats struct.
1894                  */
1895                 xcount = (*dev->dev_ops->xstats_get)(dev,
1896                                      xstats ? xstats + count : NULL,
1897                                      (n > count) ? n - count : 0);
1898
1899                 if (xcount < 0)
1900                         return xcount;
1901         }
1902
1903         if (n < count + xcount || xstats == NULL)
1904                 return count + xcount;
1905
1906         /* now fill the xstats structure */
1907         count = 0;
1908         rte_eth_stats_get(port_id, &eth_stats);
1909
1910         /* global stats */
1911         for (i = 0; i < RTE_NB_STATS; i++) {
1912                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1913                                         rte_stats_strings[i].offset);
1914                 val = *stats_ptr;
1915                 xstats[count++].value = val;
1916         }
1917
1918         /* per-rxq stats */
1919         for (q = 0; q < nb_rxqs; q++) {
1920                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1921                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1922                                         rte_rxq_stats_strings[i].offset +
1923                                         q * sizeof(uint64_t));
1924                         val = *stats_ptr;
1925                         xstats[count++].value = val;
1926                 }
1927         }
1928
1929         /* per-txq stats */
1930         for (q = 0; q < nb_txqs; q++) {
1931                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1932                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1933                                         rte_txq_stats_strings[i].offset +
1934                                         q * sizeof(uint64_t));
1935                         val = *stats_ptr;
1936                         xstats[count++].value = val;
1937                 }
1938         }
1939
1940         for (i = 0; i < count; i++)
1941                 xstats[i].id = i;
1942         /* add an offset to driver-specific stats */
1943         for ( ; i < count + xcount; i++)
1944                 xstats[i].id += count;
1945
1946         return count + xcount;
1947 }
1948
1949 /* reset ethdev extended statistics */
1950 void
1951 rte_eth_xstats_reset(uint8_t port_id)
1952 {
1953         struct rte_eth_dev *dev;
1954
1955         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1956         dev = &rte_eth_devices[port_id];
1957
1958         /* implemented by the driver */
1959         if (dev->dev_ops->xstats_reset != NULL) {
1960                 (*dev->dev_ops->xstats_reset)(dev);
1961                 return;
1962         }
1963
1964         /* fallback to default */
1965         rte_eth_stats_reset(port_id);
1966 }
1967
1968 static int
1969 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1970                 uint8_t is_rx)
1971 {
1972         struct rte_eth_dev *dev;
1973
1974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1975
1976         dev = &rte_eth_devices[port_id];
1977
1978         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1979         return (*dev->dev_ops->queue_stats_mapping_set)
1980                         (dev, queue_id, stat_idx, is_rx);
1981 }
1982
1983
1984 int
1985 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1986                 uint8_t stat_idx)
1987 {
1988         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1989                         STAT_QMAP_TX);
1990 }
1991
1992
1993 int
1994 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1995                 uint8_t stat_idx)
1996 {
1997         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1998                         STAT_QMAP_RX);
1999 }
2000
2001 int
2002 rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size)
2003 {
2004         struct rte_eth_dev *dev;
2005
2006         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2007         dev = &rte_eth_devices[port_id];
2008
2009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2010         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
2011 }
2012
2013 void
2014 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
2015 {
2016         struct rte_eth_dev *dev;
2017         const struct rte_eth_desc_lim lim = {
2018                 .nb_max = UINT16_MAX,
2019                 .nb_min = 0,
2020                 .nb_align = 1,
2021         };
2022
2023         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2024         dev = &rte_eth_devices[port_id];
2025
2026         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2027         dev_info->rx_desc_lim = lim;
2028         dev_info->tx_desc_lim = lim;
2029
2030         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2031         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2032         dev_info->driver_name = dev->device->driver->name;
2033         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2034         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2035 }
2036
2037 int
2038 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
2039                                  uint32_t *ptypes, int num)
2040 {
2041         int i, j;
2042         struct rte_eth_dev *dev;
2043         const uint32_t *all_ptypes;
2044
2045         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2046         dev = &rte_eth_devices[port_id];
2047         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2048         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2049
2050         if (!all_ptypes)
2051                 return 0;
2052
2053         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2054                 if (all_ptypes[i] & ptype_mask) {
2055                         if (j < num)
2056                                 ptypes[j] = all_ptypes[i];
2057                         j++;
2058                 }
2059
2060         return j;
2061 }
2062
2063 void
2064 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
2065 {
2066         struct rte_eth_dev *dev;
2067
2068         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2069         dev = &rte_eth_devices[port_id];
2070         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2071 }
2072
2073
2074 int
2075 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
2076 {
2077         struct rte_eth_dev *dev;
2078
2079         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2080
2081         dev = &rte_eth_devices[port_id];
2082         *mtu = dev->data->mtu;
2083         return 0;
2084 }
2085
2086 int
2087 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
2088 {
2089         int ret;
2090         struct rte_eth_dev *dev;
2091
2092         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2093         dev = &rte_eth_devices[port_id];
2094         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2095
2096         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2097         if (!ret)
2098                 dev->data->mtu = mtu;
2099
2100         return ret;
2101 }
2102
2103 int
2104 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
2105 {
2106         struct rte_eth_dev *dev;
2107         int ret;
2108
2109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2110         dev = &rte_eth_devices[port_id];
2111         if (!(dev->data->dev_conf.rxmode.offloads &
2112               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2113                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2114                 return -ENOSYS;
2115         }
2116
2117         if (vlan_id > 4095) {
2118                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2119                                 port_id, (unsigned) vlan_id);
2120                 return -EINVAL;
2121         }
2122         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2123
2124         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2125         if (ret == 0) {
2126                 struct rte_vlan_filter_conf *vfc;
2127                 int vidx;
2128                 int vbit;
2129
2130                 vfc = &dev->data->vlan_filter_conf;
2131                 vidx = vlan_id / 64;
2132                 vbit = vlan_id % 64;
2133
2134                 if (on)
2135                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2136                 else
2137                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2138         }
2139
2140         return ret;
2141 }
2142
2143 int
2144 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
2145 {
2146         struct rte_eth_dev *dev;
2147
2148         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2149         dev = &rte_eth_devices[port_id];
2150         if (rx_queue_id >= dev->data->nb_rx_queues) {
2151                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2152                 return -EINVAL;
2153         }
2154
2155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2156         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2157
2158         return 0;
2159 }
2160
2161 int
2162 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
2163                                 enum rte_vlan_type vlan_type,
2164                                 uint16_t tpid)
2165 {
2166         struct rte_eth_dev *dev;
2167
2168         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2169         dev = &rte_eth_devices[port_id];
2170         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2171
2172         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
2173 }
2174
2175 int
2176 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
2177 {
2178         struct rte_eth_dev *dev;
2179         int ret = 0;
2180         int mask = 0;
2181         int cur, org = 0;
2182
2183         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2184         dev = &rte_eth_devices[port_id];
2185
2186         /*check which option changed by application*/
2187         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2188         org = !!(dev->data->dev_conf.rxmode.offloads &
2189                  DEV_RX_OFFLOAD_VLAN_STRIP);
2190         if (cur != org) {
2191                 if (cur)
2192                         dev->data->dev_conf.rxmode.offloads |=
2193                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2194                 else
2195                         dev->data->dev_conf.rxmode.offloads &=
2196                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2197                 mask |= ETH_VLAN_STRIP_MASK;
2198         }
2199
2200         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2201         org = !!(dev->data->dev_conf.rxmode.offloads &
2202                  DEV_RX_OFFLOAD_VLAN_FILTER);
2203         if (cur != org) {
2204                 if (cur)
2205                         dev->data->dev_conf.rxmode.offloads |=
2206                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2207                 else
2208                         dev->data->dev_conf.rxmode.offloads &=
2209                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2210                 mask |= ETH_VLAN_FILTER_MASK;
2211         }
2212
2213         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2214         org = !!(dev->data->dev_conf.rxmode.offloads &
2215                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2216         if (cur != org) {
2217                 if (cur)
2218                         dev->data->dev_conf.rxmode.offloads |=
2219                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2220                 else
2221                         dev->data->dev_conf.rxmode.offloads &=
2222                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2223                 mask |= ETH_VLAN_EXTEND_MASK;
2224         }
2225
2226         /*no change*/
2227         if (mask == 0)
2228                 return ret;
2229
2230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2231
2232         /*
2233          * Convert to the offload bitfield API just in case the underlying PMD
2234          * still supporting it.
2235          */
2236         rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2237                                     &dev->data->dev_conf.rxmode);
2238         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2239
2240         return ret;
2241 }
2242
2243 int
2244 rte_eth_dev_get_vlan_offload(uint8_t port_id)
2245 {
2246         struct rte_eth_dev *dev;
2247         int ret = 0;
2248
2249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2250         dev = &rte_eth_devices[port_id];
2251
2252         if (dev->data->dev_conf.rxmode.offloads &
2253             DEV_RX_OFFLOAD_VLAN_STRIP)
2254                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2255
2256         if (dev->data->dev_conf.rxmode.offloads &
2257             DEV_RX_OFFLOAD_VLAN_FILTER)
2258                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2259
2260         if (dev->data->dev_conf.rxmode.offloads &
2261             DEV_RX_OFFLOAD_VLAN_EXTEND)
2262                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2263
2264         return ret;
2265 }
2266
2267 int
2268 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
2269 {
2270         struct rte_eth_dev *dev;
2271
2272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2273         dev = &rte_eth_devices[port_id];
2274         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2275         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2276
2277         return 0;
2278 }
2279
2280 int
2281 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2282 {
2283         struct rte_eth_dev *dev;
2284
2285         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2286         dev = &rte_eth_devices[port_id];
2287         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2288         memset(fc_conf, 0, sizeof(*fc_conf));
2289         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2290 }
2291
2292 int
2293 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2294 {
2295         struct rte_eth_dev *dev;
2296
2297         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2298         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2299                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2300                 return -EINVAL;
2301         }
2302
2303         dev = &rte_eth_devices[port_id];
2304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2305         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2306 }
2307
2308 int
2309 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
2310 {
2311         struct rte_eth_dev *dev;
2312
2313         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2314         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2315                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2316                 return -EINVAL;
2317         }
2318
2319         dev = &rte_eth_devices[port_id];
2320         /* High water, low water validation are device specific */
2321         if  (*dev->dev_ops->priority_flow_ctrl_set)
2322                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2323         return -ENOTSUP;
2324 }
2325
2326 static int
2327 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2328                         uint16_t reta_size)
2329 {
2330         uint16_t i, num;
2331
2332         if (!reta_conf)
2333                 return -EINVAL;
2334
2335         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2336         for (i = 0; i < num; i++) {
2337                 if (reta_conf[i].mask)
2338                         return 0;
2339         }
2340
2341         return -EINVAL;
2342 }
2343
2344 static int
2345 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2346                          uint16_t reta_size,
2347                          uint16_t max_rxq)
2348 {
2349         uint16_t i, idx, shift;
2350
2351         if (!reta_conf)
2352                 return -EINVAL;
2353
2354         if (max_rxq == 0) {
2355                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2356                 return -EINVAL;
2357         }
2358
2359         for (i = 0; i < reta_size; i++) {
2360                 idx = i / RTE_RETA_GROUP_SIZE;
2361                 shift = i % RTE_RETA_GROUP_SIZE;
2362                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2363                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2364                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2365                                 "the maximum rxq index: %u\n", idx, shift,
2366                                 reta_conf[idx].reta[shift], max_rxq);
2367                         return -EINVAL;
2368                 }
2369         }
2370
2371         return 0;
2372 }
2373
2374 int
2375 rte_eth_dev_rss_reta_update(uint8_t port_id,
2376                             struct rte_eth_rss_reta_entry64 *reta_conf,
2377                             uint16_t reta_size)
2378 {
2379         struct rte_eth_dev *dev;
2380         int ret;
2381
2382         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2383         /* Check mask bits */
2384         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2385         if (ret < 0)
2386                 return ret;
2387
2388         dev = &rte_eth_devices[port_id];
2389
2390         /* Check entry value */
2391         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2392                                 dev->data->nb_rx_queues);
2393         if (ret < 0)
2394                 return ret;
2395
2396         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2397         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2398 }
2399
2400 int
2401 rte_eth_dev_rss_reta_query(uint8_t port_id,
2402                            struct rte_eth_rss_reta_entry64 *reta_conf,
2403                            uint16_t reta_size)
2404 {
2405         struct rte_eth_dev *dev;
2406         int ret;
2407
2408         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2409
2410         /* Check mask bits */
2411         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2412         if (ret < 0)
2413                 return ret;
2414
2415         dev = &rte_eth_devices[port_id];
2416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2417         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2418 }
2419
2420 int
2421 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2422 {
2423         struct rte_eth_dev *dev;
2424         uint16_t rss_hash_protos;
2425
2426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2427         rss_hash_protos = rss_conf->rss_hf;
2428         if ((rss_hash_protos != 0) &&
2429             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2430                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2431                                 rss_hash_protos);
2432                 return -EINVAL;
2433         }
2434         dev = &rte_eth_devices[port_id];
2435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2436         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2437 }
2438
2439 int
2440 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2441                               struct rte_eth_rss_conf *rss_conf)
2442 {
2443         struct rte_eth_dev *dev;
2444
2445         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2446         dev = &rte_eth_devices[port_id];
2447         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2448         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2449 }
2450
2451 int
2452 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2453                                 struct rte_eth_udp_tunnel *udp_tunnel)
2454 {
2455         struct rte_eth_dev *dev;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2458         if (udp_tunnel == NULL) {
2459                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2460                 return -EINVAL;
2461         }
2462
2463         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2464                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2465                 return -EINVAL;
2466         }
2467
2468         dev = &rte_eth_devices[port_id];
2469         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2470         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2471 }
2472
2473 int
2474 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2475                                    struct rte_eth_udp_tunnel *udp_tunnel)
2476 {
2477         struct rte_eth_dev *dev;
2478
2479         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2480         dev = &rte_eth_devices[port_id];
2481
2482         if (udp_tunnel == NULL) {
2483                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2484                 return -EINVAL;
2485         }
2486
2487         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2488                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2489                 return -EINVAL;
2490         }
2491
2492         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2493         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2494 }
2495
2496 int
2497 rte_eth_led_on(uint8_t port_id)
2498 {
2499         struct rte_eth_dev *dev;
2500
2501         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2502         dev = &rte_eth_devices[port_id];
2503         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2504         return (*dev->dev_ops->dev_led_on)(dev);
2505 }
2506
2507 int
2508 rte_eth_led_off(uint8_t port_id)
2509 {
2510         struct rte_eth_dev *dev;
2511
2512         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2513         dev = &rte_eth_devices[port_id];
2514         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2515         return (*dev->dev_ops->dev_led_off)(dev);
2516 }
2517
2518 /*
2519  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2520  * an empty spot.
2521  */
2522 static int
2523 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2524 {
2525         struct rte_eth_dev_info dev_info;
2526         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2527         unsigned i;
2528
2529         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2530         rte_eth_dev_info_get(port_id, &dev_info);
2531
2532         for (i = 0; i < dev_info.max_mac_addrs; i++)
2533                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2534                         return i;
2535
2536         return -1;
2537 }
2538
2539 static const struct ether_addr null_mac_addr;
2540
2541 int
2542 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2543                         uint32_t pool)
2544 {
2545         struct rte_eth_dev *dev;
2546         int index;
2547         uint64_t pool_mask;
2548         int ret;
2549
2550         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2551         dev = &rte_eth_devices[port_id];
2552         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2553
2554         if (is_zero_ether_addr(addr)) {
2555                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2556                         port_id);
2557                 return -EINVAL;
2558         }
2559         if (pool >= ETH_64_POOLS) {
2560                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2561                 return -EINVAL;
2562         }
2563
2564         index = get_mac_addr_index(port_id, addr);
2565         if (index < 0) {
2566                 index = get_mac_addr_index(port_id, &null_mac_addr);
2567                 if (index < 0) {
2568                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2569                                 port_id);
2570                         return -ENOSPC;
2571                 }
2572         } else {
2573                 pool_mask = dev->data->mac_pool_sel[index];
2574
2575                 /* Check if both MAC address and pool is already there, and do nothing */
2576                 if (pool_mask & (1ULL << pool))
2577                         return 0;
2578         }
2579
2580         /* Update NIC */
2581         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2582
2583         if (ret == 0) {
2584                 /* Update address in NIC data structure */
2585                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2586
2587                 /* Update pool bitmap in NIC data structure */
2588                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2589         }
2590
2591         return ret;
2592 }
2593
2594 int
2595 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2596 {
2597         struct rte_eth_dev *dev;
2598         int index;
2599
2600         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2601         dev = &rte_eth_devices[port_id];
2602         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2603
2604         index = get_mac_addr_index(port_id, addr);
2605         if (index == 0) {
2606                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2607                 return -EADDRINUSE;
2608         } else if (index < 0)
2609                 return 0;  /* Do nothing if address wasn't found */
2610
2611         /* Update NIC */
2612         (*dev->dev_ops->mac_addr_remove)(dev, index);
2613
2614         /* Update address in NIC data structure */
2615         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2616
2617         /* reset pool bitmap */
2618         dev->data->mac_pool_sel[index] = 0;
2619
2620         return 0;
2621 }
2622
2623 int
2624 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2625 {
2626         struct rte_eth_dev *dev;
2627
2628         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2629
2630         if (!is_valid_assigned_ether_addr(addr))
2631                 return -EINVAL;
2632
2633         dev = &rte_eth_devices[port_id];
2634         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2635
2636         /* Update default address in NIC data structure */
2637         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2638
2639         (*dev->dev_ops->mac_addr_set)(dev, addr);
2640
2641         return 0;
2642 }
2643
2644
2645 /*
2646  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2647  * an empty spot.
2648  */
2649 static int
2650 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2651 {
2652         struct rte_eth_dev_info dev_info;
2653         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2654         unsigned i;
2655
2656         rte_eth_dev_info_get(port_id, &dev_info);
2657         if (!dev->data->hash_mac_addrs)
2658                 return -1;
2659
2660         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2661                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2662                         ETHER_ADDR_LEN) == 0)
2663                         return i;
2664
2665         return -1;
2666 }
2667
2668 int
2669 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2670                                 uint8_t on)
2671 {
2672         int index;
2673         int ret;
2674         struct rte_eth_dev *dev;
2675
2676         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2677
2678         dev = &rte_eth_devices[port_id];
2679         if (is_zero_ether_addr(addr)) {
2680                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2681                         port_id);
2682                 return -EINVAL;
2683         }
2684
2685         index = get_hash_mac_addr_index(port_id, addr);
2686         /* Check if it's already there, and do nothing */
2687         if ((index >= 0) && (on))
2688                 return 0;
2689
2690         if (index < 0) {
2691                 if (!on) {
2692                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2693                                 "set in UTA\n", port_id);
2694                         return -EINVAL;
2695                 }
2696
2697                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2698                 if (index < 0) {
2699                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2700                                         port_id);
2701                         return -ENOSPC;
2702                 }
2703         }
2704
2705         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2706         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2707         if (ret == 0) {
2708                 /* Update address in NIC data structure */
2709                 if (on)
2710                         ether_addr_copy(addr,
2711                                         &dev->data->hash_mac_addrs[index]);
2712                 else
2713                         ether_addr_copy(&null_mac_addr,
2714                                         &dev->data->hash_mac_addrs[index]);
2715         }
2716
2717         return ret;
2718 }
2719
2720 int
2721 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2722 {
2723         struct rte_eth_dev *dev;
2724
2725         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2726
2727         dev = &rte_eth_devices[port_id];
2728
2729         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2730         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2731 }
2732
2733 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2734                                         uint16_t tx_rate)
2735 {
2736         struct rte_eth_dev *dev;
2737         struct rte_eth_dev_info dev_info;
2738         struct rte_eth_link link;
2739
2740         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2741
2742         dev = &rte_eth_devices[port_id];
2743         rte_eth_dev_info_get(port_id, &dev_info);
2744         link = dev->data->dev_link;
2745
2746         if (queue_idx > dev_info.max_tx_queues) {
2747                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2748                                 "invalid queue id=%d\n", port_id, queue_idx);
2749                 return -EINVAL;
2750         }
2751
2752         if (tx_rate > link.link_speed) {
2753                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2754                                 "bigger than link speed= %d\n",
2755                         tx_rate, link.link_speed);
2756                 return -EINVAL;
2757         }
2758
2759         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2760         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2761 }
2762
2763 int
2764 rte_eth_mirror_rule_set(uint8_t port_id,
2765                         struct rte_eth_mirror_conf *mirror_conf,
2766                         uint8_t rule_id, uint8_t on)
2767 {
2768         struct rte_eth_dev *dev;
2769
2770         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2771         if (mirror_conf->rule_type == 0) {
2772                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2773                 return -EINVAL;
2774         }
2775
2776         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2777                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2778                                 ETH_64_POOLS - 1);
2779                 return -EINVAL;
2780         }
2781
2782         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2783              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2784             (mirror_conf->pool_mask == 0)) {
2785                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2786                 return -EINVAL;
2787         }
2788
2789         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2790             mirror_conf->vlan.vlan_mask == 0) {
2791                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2792                 return -EINVAL;
2793         }
2794
2795         dev = &rte_eth_devices[port_id];
2796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2797
2798         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2799 }
2800
2801 int
2802 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2803 {
2804         struct rte_eth_dev *dev;
2805
2806         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2807
2808         dev = &rte_eth_devices[port_id];
2809         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2810
2811         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2812 }
2813
2814 int
2815 rte_eth_dev_callback_register(uint8_t port_id,
2816                         enum rte_eth_event_type event,
2817                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2818 {
2819         struct rte_eth_dev *dev;
2820         struct rte_eth_dev_callback *user_cb;
2821
2822         if (!cb_fn)
2823                 return -EINVAL;
2824
2825         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2826
2827         dev = &rte_eth_devices[port_id];
2828         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2829
2830         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2831                 if (user_cb->cb_fn == cb_fn &&
2832                         user_cb->cb_arg == cb_arg &&
2833                         user_cb->event == event) {
2834                         break;
2835                 }
2836         }
2837
2838         /* create a new callback. */
2839         if (user_cb == NULL) {
2840                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2841                                         sizeof(struct rte_eth_dev_callback), 0);
2842                 if (user_cb != NULL) {
2843                         user_cb->cb_fn = cb_fn;
2844                         user_cb->cb_arg = cb_arg;
2845                         user_cb->event = event;
2846                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2847                 }
2848         }
2849
2850         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2851         return (user_cb == NULL) ? -ENOMEM : 0;
2852 }
2853
2854 int
2855 rte_eth_dev_callback_unregister(uint8_t port_id,
2856                         enum rte_eth_event_type event,
2857                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2858 {
2859         int ret;
2860         struct rte_eth_dev *dev;
2861         struct rte_eth_dev_callback *cb, *next;
2862
2863         if (!cb_fn)
2864                 return -EINVAL;
2865
2866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2867
2868         dev = &rte_eth_devices[port_id];
2869         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2870
2871         ret = 0;
2872         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2873
2874                 next = TAILQ_NEXT(cb, next);
2875
2876                 if (cb->cb_fn != cb_fn || cb->event != event ||
2877                                 (cb->cb_arg != (void *)-1 &&
2878                                 cb->cb_arg != cb_arg))
2879                         continue;
2880
2881                 /*
2882                  * if this callback is not executing right now,
2883                  * then remove it.
2884                  */
2885                 if (cb->active == 0) {
2886                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2887                         rte_free(cb);
2888                 } else {
2889                         ret = -EAGAIN;
2890                 }
2891         }
2892
2893         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2894         return ret;
2895 }
2896
2897 int
2898 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2899         enum rte_eth_event_type event, void *cb_arg, void *ret_param)
2900 {
2901         struct rte_eth_dev_callback *cb_lst;
2902         struct rte_eth_dev_callback dev_cb;
2903         int rc = 0;
2904
2905         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2906         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2907                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2908                         continue;
2909                 dev_cb = *cb_lst;
2910                 cb_lst->active = 1;
2911                 if (cb_arg != NULL)
2912                         dev_cb.cb_arg = cb_arg;
2913                 if (ret_param != NULL)
2914                         dev_cb.ret_param = ret_param;
2915
2916                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2917                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2918                                 dev_cb.cb_arg, dev_cb.ret_param);
2919                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2920                 cb_lst->active = 0;
2921         }
2922         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2923         return rc;
2924 }
2925
2926 int
2927 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2928 {
2929         uint32_t vec;
2930         struct rte_eth_dev *dev;
2931         struct rte_intr_handle *intr_handle;
2932         uint16_t qid;
2933         int rc;
2934
2935         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2936
2937         dev = &rte_eth_devices[port_id];
2938
2939         if (!dev->intr_handle) {
2940                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2941                 return -ENOTSUP;
2942         }
2943
2944         intr_handle = dev->intr_handle;
2945         if (!intr_handle->intr_vec) {
2946                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2947                 return -EPERM;
2948         }
2949
2950         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2951                 vec = intr_handle->intr_vec[qid];
2952                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2953                 if (rc && rc != -EEXIST) {
2954                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2955                                         " op %d epfd %d vec %u\n",
2956                                         port_id, qid, op, epfd, vec);
2957                 }
2958         }
2959
2960         return 0;
2961 }
2962
2963 const struct rte_memzone *
2964 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2965                          uint16_t queue_id, size_t size, unsigned align,
2966                          int socket_id)
2967 {
2968         char z_name[RTE_MEMZONE_NAMESIZE];
2969         const struct rte_memzone *mz;
2970
2971         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2972                  dev->device->driver->name, ring_name,
2973                  dev->data->port_id, queue_id);
2974
2975         mz = rte_memzone_lookup(z_name);
2976         if (mz)
2977                 return mz;
2978
2979         if (rte_xen_dom0_supported())
2980                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2981                                                    0, align, RTE_PGSIZE_2M);
2982         else
2983                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2984                                                    0, align);
2985 }
2986
2987 int
2988 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2989                           int epfd, int op, void *data)
2990 {
2991         uint32_t vec;
2992         struct rte_eth_dev *dev;
2993         struct rte_intr_handle *intr_handle;
2994         int rc;
2995
2996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2997
2998         dev = &rte_eth_devices[port_id];
2999         if (queue_id >= dev->data->nb_rx_queues) {
3000                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3001                 return -EINVAL;
3002         }
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         vec = intr_handle->intr_vec[queue_id];
3016         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3017         if (rc && rc != -EEXIST) {
3018                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3019                                 " op %d epfd %d vec %u\n",
3020                                 port_id, queue_id, op, epfd, vec);
3021                 return rc;
3022         }
3023
3024         return 0;
3025 }
3026
3027 int
3028 rte_eth_dev_rx_intr_enable(uint8_t port_id,
3029                            uint16_t queue_id)
3030 {
3031         struct rte_eth_dev *dev;
3032
3033         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3034
3035         dev = &rte_eth_devices[port_id];
3036
3037         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3038         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
3039 }
3040
3041 int
3042 rte_eth_dev_rx_intr_disable(uint8_t port_id,
3043                             uint16_t queue_id)
3044 {
3045         struct rte_eth_dev *dev;
3046
3047         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3048
3049         dev = &rte_eth_devices[port_id];
3050
3051         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3052         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
3053 }
3054
3055
3056 int
3057 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
3058 {
3059         struct rte_eth_dev *dev;
3060
3061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3062
3063         dev = &rte_eth_devices[port_id];
3064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3065         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3066                                 RTE_ETH_FILTER_NOP, NULL);
3067 }
3068
3069 int
3070 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
3071                        enum rte_filter_op filter_op, void *arg)
3072 {
3073         struct rte_eth_dev *dev;
3074
3075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3076
3077         dev = &rte_eth_devices[port_id];
3078         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3079         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
3080 }
3081
3082 void *
3083 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
3084                 rte_rx_callback_fn fn, void *user_param)
3085 {
3086 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3087         rte_errno = ENOTSUP;
3088         return NULL;
3089 #endif
3090         /* check input parameters */
3091         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3092                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3093                 rte_errno = EINVAL;
3094                 return NULL;
3095         }
3096         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3097
3098         if (cb == NULL) {
3099                 rte_errno = ENOMEM;
3100                 return NULL;
3101         }
3102
3103         cb->fn.rx = fn;
3104         cb->param = user_param;
3105
3106         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3107         /* Add the callbacks in fifo order. */
3108         struct rte_eth_rxtx_callback *tail =
3109                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3110
3111         if (!tail) {
3112                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3113
3114         } else {
3115                 while (tail->next)
3116                         tail = tail->next;
3117                 tail->next = cb;
3118         }
3119         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3120
3121         return cb;
3122 }
3123
3124 void *
3125 rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id,
3126                 rte_rx_callback_fn fn, void *user_param)
3127 {
3128 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3129         rte_errno = ENOTSUP;
3130         return NULL;
3131 #endif
3132         /* check input parameters */
3133         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3134                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3135                 rte_errno = EINVAL;
3136                 return NULL;
3137         }
3138
3139         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3140
3141         if (cb == NULL) {
3142                 rte_errno = ENOMEM;
3143                 return NULL;
3144         }
3145
3146         cb->fn.rx = fn;
3147         cb->param = user_param;
3148
3149         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3150         /* Add the callbacks at fisrt position*/
3151         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3152         rte_smp_wmb();
3153         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3154         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3155
3156         return cb;
3157 }
3158
3159 void *
3160 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
3161                 rte_tx_callback_fn fn, void *user_param)
3162 {
3163 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3164         rte_errno = ENOTSUP;
3165         return NULL;
3166 #endif
3167         /* check input parameters */
3168         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3169                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3170                 rte_errno = EINVAL;
3171                 return NULL;
3172         }
3173
3174         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3175
3176         if (cb == NULL) {
3177                 rte_errno = ENOMEM;
3178                 return NULL;
3179         }
3180
3181         cb->fn.tx = fn;
3182         cb->param = user_param;
3183
3184         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3185         /* Add the callbacks in fifo order. */
3186         struct rte_eth_rxtx_callback *tail =
3187                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3188
3189         if (!tail) {
3190                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3191
3192         } else {
3193                 while (tail->next)
3194                         tail = tail->next;
3195                 tail->next = cb;
3196         }
3197         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3198
3199         return cb;
3200 }
3201
3202 int
3203 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3204                 struct rte_eth_rxtx_callback *user_cb)
3205 {
3206 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3207         return -ENOTSUP;
3208 #endif
3209         /* Check input parameters. */
3210         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3211         if (user_cb == NULL ||
3212                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3213                 return -EINVAL;
3214
3215         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3216         struct rte_eth_rxtx_callback *cb;
3217         struct rte_eth_rxtx_callback **prev_cb;
3218         int ret = -EINVAL;
3219
3220         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3221         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3222         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3223                 cb = *prev_cb;
3224                 if (cb == user_cb) {
3225                         /* Remove the user cb from the callback list. */
3226                         *prev_cb = cb->next;
3227                         ret = 0;
3228                         break;
3229                 }
3230         }
3231         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3232
3233         return ret;
3234 }
3235
3236 int
3237 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3238                 struct rte_eth_rxtx_callback *user_cb)
3239 {
3240 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3241         return -ENOTSUP;
3242 #endif
3243         /* Check input parameters. */
3244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3245         if (user_cb == NULL ||
3246                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3247                 return -EINVAL;
3248
3249         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3250         int ret = -EINVAL;
3251         struct rte_eth_rxtx_callback *cb;
3252         struct rte_eth_rxtx_callback **prev_cb;
3253
3254         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3255         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3256         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3257                 cb = *prev_cb;
3258                 if (cb == user_cb) {
3259                         /* Remove the user cb from the callback list. */
3260                         *prev_cb = cb->next;
3261                         ret = 0;
3262                         break;
3263                 }
3264         }
3265         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3266
3267         return ret;
3268 }
3269
3270 int
3271 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3272         struct rte_eth_rxq_info *qinfo)
3273 {
3274         struct rte_eth_dev *dev;
3275
3276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3277
3278         if (qinfo == NULL)
3279                 return -EINVAL;
3280
3281         dev = &rte_eth_devices[port_id];
3282         if (queue_id >= dev->data->nb_rx_queues) {
3283                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3284                 return -EINVAL;
3285         }
3286
3287         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3288
3289         memset(qinfo, 0, sizeof(*qinfo));
3290         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3291         return 0;
3292 }
3293
3294 int
3295 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3296         struct rte_eth_txq_info *qinfo)
3297 {
3298         struct rte_eth_dev *dev;
3299
3300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3301
3302         if (qinfo == NULL)
3303                 return -EINVAL;
3304
3305         dev = &rte_eth_devices[port_id];
3306         if (queue_id >= dev->data->nb_tx_queues) {
3307                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3308                 return -EINVAL;
3309         }
3310
3311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3312
3313         memset(qinfo, 0, sizeof(*qinfo));
3314         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3315         return 0;
3316 }
3317
3318 int
3319 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3320                              struct ether_addr *mc_addr_set,
3321                              uint32_t nb_mc_addr)
3322 {
3323         struct rte_eth_dev *dev;
3324
3325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3326
3327         dev = &rte_eth_devices[port_id];
3328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3329         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3330 }
3331
3332 int
3333 rte_eth_timesync_enable(uint8_t port_id)
3334 {
3335         struct rte_eth_dev *dev;
3336
3337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3338         dev = &rte_eth_devices[port_id];
3339
3340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3341         return (*dev->dev_ops->timesync_enable)(dev);
3342 }
3343
3344 int
3345 rte_eth_timesync_disable(uint8_t port_id)
3346 {
3347         struct rte_eth_dev *dev;
3348
3349         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3350         dev = &rte_eth_devices[port_id];
3351
3352         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3353         return (*dev->dev_ops->timesync_disable)(dev);
3354 }
3355
3356 int
3357 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3358                                    uint32_t flags)
3359 {
3360         struct rte_eth_dev *dev;
3361
3362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3363         dev = &rte_eth_devices[port_id];
3364
3365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3366         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3367 }
3368
3369 int
3370 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3371 {
3372         struct rte_eth_dev *dev;
3373
3374         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3375         dev = &rte_eth_devices[port_id];
3376
3377         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3378         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3379 }
3380
3381 int
3382 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3383 {
3384         struct rte_eth_dev *dev;
3385
3386         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3387         dev = &rte_eth_devices[port_id];
3388
3389         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3390         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3391 }
3392
3393 int
3394 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3395 {
3396         struct rte_eth_dev *dev;
3397
3398         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3399         dev = &rte_eth_devices[port_id];
3400
3401         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3402         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3403 }
3404
3405 int
3406 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3407 {
3408         struct rte_eth_dev *dev;
3409
3410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3411         dev = &rte_eth_devices[port_id];
3412
3413         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3414         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3415 }
3416
3417 int
3418 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3419 {
3420         struct rte_eth_dev *dev;
3421
3422         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3423
3424         dev = &rte_eth_devices[port_id];
3425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3426         return (*dev->dev_ops->get_reg)(dev, info);
3427 }
3428
3429 int
3430 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3431 {
3432         struct rte_eth_dev *dev;
3433
3434         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3435
3436         dev = &rte_eth_devices[port_id];
3437         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3438         return (*dev->dev_ops->get_eeprom_length)(dev);
3439 }
3440
3441 int
3442 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3443 {
3444         struct rte_eth_dev *dev;
3445
3446         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3447
3448         dev = &rte_eth_devices[port_id];
3449         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3450         return (*dev->dev_ops->get_eeprom)(dev, info);
3451 }
3452
3453 int
3454 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3455 {
3456         struct rte_eth_dev *dev;
3457
3458         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3459
3460         dev = &rte_eth_devices[port_id];
3461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3462         return (*dev->dev_ops->set_eeprom)(dev, info);
3463 }
3464
3465 int
3466 rte_eth_dev_get_dcb_info(uint8_t port_id,
3467                              struct rte_eth_dcb_info *dcb_info)
3468 {
3469         struct rte_eth_dev *dev;
3470
3471         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3472
3473         dev = &rte_eth_devices[port_id];
3474         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3475
3476         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3477         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3478 }
3479
3480 int
3481 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3482                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3483 {
3484         struct rte_eth_dev *dev;
3485
3486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3487         if (l2_tunnel == NULL) {
3488                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3489                 return -EINVAL;
3490         }
3491
3492         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3493                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3494                 return -EINVAL;
3495         }
3496
3497         dev = &rte_eth_devices[port_id];
3498         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3499                                 -ENOTSUP);
3500         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3501 }
3502
3503 int
3504 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3505                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3506                                   uint32_t mask,
3507                                   uint8_t en)
3508 {
3509         struct rte_eth_dev *dev;
3510
3511         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3512
3513         if (l2_tunnel == NULL) {
3514                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3515                 return -EINVAL;
3516         }
3517
3518         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3519                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3520                 return -EINVAL;
3521         }
3522
3523         if (mask == 0) {
3524                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3525                 return -EINVAL;
3526         }
3527
3528         dev = &rte_eth_devices[port_id];
3529         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3530                                 -ENOTSUP);
3531         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3532 }
3533
3534 static void
3535 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
3536                            const struct rte_eth_desc_lim *desc_lim)
3537 {
3538         if (desc_lim->nb_align != 0)
3539                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
3540
3541         if (desc_lim->nb_max != 0)
3542                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
3543
3544         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
3545 }
3546
3547 int
3548 rte_eth_dev_adjust_nb_rx_tx_desc(uint8_t port_id,
3549                                  uint16_t *nb_rx_desc,
3550                                  uint16_t *nb_tx_desc)
3551 {
3552         struct rte_eth_dev *dev;
3553         struct rte_eth_dev_info dev_info;
3554
3555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3556
3557         dev = &rte_eth_devices[port_id];
3558         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3559
3560         rte_eth_dev_info_get(port_id, &dev_info);
3561
3562         if (nb_rx_desc != NULL)
3563                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
3564
3565         if (nb_tx_desc != NULL)
3566                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
3567
3568         return 0;
3569 }