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 uint16_t
 143 rte_eth_find_next(uint16_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                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 184                         return &rte_eth_devices[i];
 185         }
 186         return NULL;
 187 }
 188
 189 static uint16_t
 190 rte_eth_dev_find_free_port(void)
 191 {
 192         unsigned i;
 193
 194         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 195                 if (rte_eth_devices[i].state == RTE_ETH_DEV_UNUSED)
 196                         return i;
 197         }
 198         return RTE_MAX_ETHPORTS;
 199 }
 200
 201 static struct rte_eth_dev *
 202 eth_dev_get(uint16_t port_id)
 203 {
 204         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 205
 206         eth_dev->data = &rte_eth_dev_data[port_id];
 207         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 208         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 209
 210         eth_dev_last_created_port = port_id;
 211
 212         return eth_dev;
 213 }
 214
 215 struct rte_eth_dev *
 216 rte_eth_dev_allocate(const char *name)
 217 {
 218         uint16_t port_id;
 219         struct rte_eth_dev *eth_dev;
 220
 221         port_id = rte_eth_dev_find_free_port();
 222         if (port_id == RTE_MAX_ETHPORTS) {
 223                 RTE_PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
 224                 return NULL;
 225         }
 226
 227         if (rte_eth_dev_data == NULL)
 228                 rte_eth_dev_data_alloc();
 229
 230         if (rte_eth_dev_allocated(name) != NULL) {
 231                 RTE_PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n",
 232                                 name);
 233                 return NULL;
 234         }
 235
 236         memset(&rte_eth_dev_data[port_id], 0, sizeof(struct rte_eth_dev_data));
 237         eth_dev = eth_dev_get(port_id);
 238         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 239         eth_dev->data->port_id = port_id;
 240         eth_dev->data->mtu = ETHER_MTU;
 241
 242         return eth_dev;
 243 }
 244
 245 /*
 246  * Attach to a port already registered by the primary process, which
 247  * makes sure that the same device would have the same port id both
 248  * in the primary and secondary process.
 249  */
 250 struct rte_eth_dev *
 251 rte_eth_dev_attach_secondary(const char *name)
 252 {
 253         uint16_t i;
 254         struct rte_eth_dev *eth_dev;
 255
 256         if (rte_eth_dev_data == NULL)
 257                 rte_eth_dev_data_alloc();
 258
 259         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 260                 if (strcmp(rte_eth_dev_data[i].name, name) == 0)
 261                         break;
 262         }
 263         if (i == RTE_MAX_ETHPORTS) {
 264                 RTE_PMD_DEBUG_TRACE(
 265                         "device %s is not driven by the primary process\n",
 266                         name);
 267                 return NULL;
 268         }
 269
 270         eth_dev = eth_dev_get(i);
 271         RTE_ASSERT(eth_dev->data->port_id == i);
 272
 273         return eth_dev;
 274 }
 275
 276 int
 277 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 278 {
 279         if (eth_dev == NULL)
 280                 return -EINVAL;
 281
 282         eth_dev->state = RTE_ETH_DEV_UNUSED;
 283         return 0;
 284 }
 285
 286 int
 287 rte_eth_dev_is_valid_port(uint16_t port_id)
 288 {
 289         if (port_id >= RTE_MAX_ETHPORTS ||
 290             (rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 291              rte_eth_devices[port_id].state != RTE_ETH_DEV_DEFERRED))
 292                 return 0;
 293         else
 294                 return 1;
 295 }
 296
 297 int
 298 rte_eth_dev_socket_id(uint16_t port_id)
 299 {
 300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 301         return rte_eth_devices[port_id].data->numa_node;
 302 }
 303
 304 void *
 305 rte_eth_dev_get_sec_ctx(uint8_t port_id)
 306 {
 307         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 308         return rte_eth_devices[port_id].security_ctx;
 309 }
 310
 311 uint16_t
 312 rte_eth_dev_count(void)
 313 {
 314         uint16_t p;
 315         uint16_t count;
 316
 317         count = 0;
 318
 319         RTE_ETH_FOREACH_DEV(p)
 320                 count++;
 321
 322         return count;
 323 }
 324
 325 int
 326 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 327 {
 328         char *tmp;
 329
 330         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 331
 332         if (name == NULL) {
 333                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 334                 return -EINVAL;
 335         }
 336
 337         /* shouldn't check 'rte_eth_devices[i].data',
 338          * because it might be overwritten by VDEV PMD */
 339         tmp = rte_eth_dev_data[port_id].name;
 340         strcpy(name, tmp);
 341         return 0;
 342 }
 343
 344 int
 345 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 346 {
 347         int i;
 348
 349         if (name == NULL) {
 350                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 351                 return -EINVAL;
 352         }
 353
 354         RTE_ETH_FOREACH_DEV(i) {
 355                 if (!strncmp(name,
 356                         rte_eth_dev_data[i].name, strlen(name))) {
 357
 358                         *port_id = i;
 359
 360                         return 0;
 361                 }
 362         }
 363         return -ENODEV;
 364 }
 365
 366 static int
 367 rte_eth_dev_is_detachable(uint16_t port_id)
 368 {
 369         uint32_t dev_flags;
 370
 371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 372
 373         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 374         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 375                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 376                 return 0;
 377         else
 378                 return 1;
 379 }
 380
 381 /* attach the new device, then store port_id of the device */
 382 int
 383 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 384 {
 385         int ret = -1;
 386         int current = rte_eth_dev_count();
 387         char *name = NULL;
 388         char *args = NULL;
 389
 390         if ((devargs == NULL) || (port_id == NULL)) {
 391                 ret = -EINVAL;
 392                 goto err;
 393         }
 394
 395         /* parse devargs, then retrieve device name and args */
 396         if (rte_eal_parse_devargs_str(devargs, &name, &args))
 397                 goto err;
 398
 399         ret = rte_eal_dev_attach(name, args);
 400         if (ret < 0)
 401                 goto err;
 402
 403         /* no point looking at the port count if no port exists */
 404         if (!rte_eth_dev_count()) {
 405                 RTE_LOG(ERR, EAL, "No port found for device (%s)\n", name);
 406                 ret = -1;
 407                 goto err;
 408         }
 409
 410         /* if nothing happened, there is a bug here, since some driver told us
 411          * it did attach a device, but did not create a port.
 412          */
 413         if (current == rte_eth_dev_count()) {
 414                 ret = -1;
 415                 goto err;
 416         }
 417
 418         *port_id = eth_dev_last_created_port;
 419         ret = 0;
 420
 421 err:
 422         free(name);
 423         free(args);
 424         return ret;
 425 }
 426
 427 /* detach the device, then store the name of the device */
 428 int
 429 rte_eth_dev_detach(uint16_t port_id, char *name)
 430 {
 431         int ret = -1;
 432
 433         if (name == NULL) {
 434                 ret = -EINVAL;
 435                 goto err;
 436         }
 437
 438         /* FIXME: move this to eal, once device flags are relocated there */
 439         if (rte_eth_dev_is_detachable(port_id))
 440                 goto err;
 441
 442         snprintf(name, sizeof(rte_eth_devices[port_id].data->name),
 443                  "%s", rte_eth_devices[port_id].data->name);
 444
 445         ret = rte_eal_dev_detach(rte_eth_devices[port_id].device);
 446         if (ret < 0)
 447                 goto err;
 448
 449         rte_eth_devices[port_id].state = RTE_ETH_DEV_UNUSED;
 450         return 0;
 451
 452 err:
 453         return ret;
 454 }
 455
 456 static int
 457 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 458 {
 459         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 460         void **rxq;
 461         unsigned i;
 462
 463         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 464                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 465                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 466                                 RTE_CACHE_LINE_SIZE);
 467                 if (dev->data->rx_queues == NULL) {
 468                         dev->data->nb_rx_queues = 0;
 469                         return -(ENOMEM);
 470                 }
 471         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 472                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 473
 474                 rxq = dev->data->rx_queues;
 475
 476                 for (i = nb_queues; i < old_nb_queues; i++)
 477                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 478                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 479                                 RTE_CACHE_LINE_SIZE);
 480                 if (rxq == NULL)
 481                         return -(ENOMEM);
 482                 if (nb_queues > old_nb_queues) {
 483                         uint16_t new_qs = nb_queues - old_nb_queues;
 484
 485                         memset(rxq + old_nb_queues, 0,
 486                                 sizeof(rxq[0]) * new_qs);
 487                 }
 488
 489                 dev->data->rx_queues = rxq;
 490
 491         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 492                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 493
 494                 rxq = dev->data->rx_queues;
 495
 496                 for (i = nb_queues; i < old_nb_queues; i++)
 497                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 498
 499                 rte_free(dev->data->rx_queues);
 500                 dev->data->rx_queues = NULL;
 501         }
 502         dev->data->nb_rx_queues = nb_queues;
 503         return 0;
 504 }
 505
 506 int
 507 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 508 {
 509         struct rte_eth_dev *dev;
 510
 511         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 512
 513         dev = &rte_eth_devices[port_id];
 514         if (rx_queue_id >= dev->data->nb_rx_queues) {
 515                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 516                 return -EINVAL;
 517         }
 518
 519         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 520
 521         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 522                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 523                         " already started\n",
 524                         rx_queue_id, port_id);
 525                 return 0;
 526         }
 527
 528         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 529
 530 }
 531
 532 int
 533 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 534 {
 535         struct rte_eth_dev *dev;
 536
 537         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 538
 539         dev = &rte_eth_devices[port_id];
 540         if (rx_queue_id >= dev->data->nb_rx_queues) {
 541                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 542                 return -EINVAL;
 543         }
 544
 545         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 546
 547         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 548                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 549                         " already stopped\n",
 550                         rx_queue_id, port_id);
 551                 return 0;
 552         }
 553
 554         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 555
 556 }
 557
 558 int
 559 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 560 {
 561         struct rte_eth_dev *dev;
 562
 563         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 564
 565         dev = &rte_eth_devices[port_id];
 566         if (tx_queue_id >= dev->data->nb_tx_queues) {
 567                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 568                 return -EINVAL;
 569         }
 570
 571         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 572
 573         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 574                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 575                         " already started\n",
 576                         tx_queue_id, port_id);
 577                 return 0;
 578         }
 579
 580         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 581
 582 }
 583
 584 int
 585 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 586 {
 587         struct rte_eth_dev *dev;
 588
 589         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 590
 591         dev = &rte_eth_devices[port_id];
 592         if (tx_queue_id >= dev->data->nb_tx_queues) {
 593                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 594                 return -EINVAL;
 595         }
 596
 597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 598
 599         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 600                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 601                         " already stopped\n",
 602                         tx_queue_id, port_id);
 603                 return 0;
 604         }
 605
 606         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 607
 608 }
 609
 610 static int
 611 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 612 {
 613         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 614         void **txq;
 615         unsigned i;
 616
 617         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 618                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 619                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 620                                                    RTE_CACHE_LINE_SIZE);
 621                 if (dev->data->tx_queues == NULL) {
 622                         dev->data->nb_tx_queues = 0;
 623                         return -(ENOMEM);
 624                 }
 625         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 626                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 627
 628                 txq = dev->data->tx_queues;
 629
 630                 for (i = nb_queues; i < old_nb_queues; i++)
 631                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 632                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 633                                   RTE_CACHE_LINE_SIZE);
 634                 if (txq == NULL)
 635                         return -ENOMEM;
 636                 if (nb_queues > old_nb_queues) {
 637                         uint16_t new_qs = nb_queues - old_nb_queues;
 638
 639                         memset(txq + old_nb_queues, 0,
 640                                sizeof(txq[0]) * new_qs);
 641                 }
 642
 643                 dev->data->tx_queues = txq;
 644
 645         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 646                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 647
 648                 txq = dev->data->tx_queues;
 649
 650                 for (i = nb_queues; i < old_nb_queues; i++)
 651                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 652
 653                 rte_free(dev->data->tx_queues);
 654                 dev->data->tx_queues = NULL;
 655         }
 656         dev->data->nb_tx_queues = nb_queues;
 657         return 0;
 658 }
 659
 660 uint32_t
 661 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 662 {
 663         switch (speed) {
 664         case ETH_SPEED_NUM_10M:
 665                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 666         case ETH_SPEED_NUM_100M:
 667                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 668         case ETH_SPEED_NUM_1G:
 669                 return ETH_LINK_SPEED_1G;
 670         case ETH_SPEED_NUM_2_5G:
 671                 return ETH_LINK_SPEED_2_5G;
 672         case ETH_SPEED_NUM_5G:
 673                 return ETH_LINK_SPEED_5G;
 674         case ETH_SPEED_NUM_10G:
 675                 return ETH_LINK_SPEED_10G;
 676         case ETH_SPEED_NUM_20G:
 677                 return ETH_LINK_SPEED_20G;
 678         case ETH_SPEED_NUM_25G:
 679                 return ETH_LINK_SPEED_25G;
 680         case ETH_SPEED_NUM_40G:
 681                 return ETH_LINK_SPEED_40G;
 682         case ETH_SPEED_NUM_50G:
 683                 return ETH_LINK_SPEED_50G;
 684         case ETH_SPEED_NUM_56G:
 685                 return ETH_LINK_SPEED_56G;
 686         case ETH_SPEED_NUM_100G:
 687                 return ETH_LINK_SPEED_100G;
 688         default:
 689                 return 0;
 690         }
 691 }
 692
 693 /**
 694  * A conversion function from rxmode bitfield API.
 695  */
 696 static void
 697 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 698                                     uint64_t *rx_offloads)
 699 {
 700         uint64_t offloads = 0;
 701
 702         if (rxmode->header_split == 1)
 703                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 704         if (rxmode->hw_ip_checksum == 1)
 705                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 706         if (rxmode->hw_vlan_filter == 1)
 707                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 708         if (rxmode->hw_vlan_strip == 1)
 709                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 710         if (rxmode->hw_vlan_extend == 1)
 711                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 712         if (rxmode->jumbo_frame == 1)
 713                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 714         if (rxmode->hw_strip_crc == 1)
 715                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 716         if (rxmode->enable_scatter == 1)
 717                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 718         if (rxmode->enable_lro == 1)
 719                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 720         if (rxmode->hw_timestamp == 1)
 721                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
 722         if (rxmode->security == 1)
 723                 offloads |= DEV_RX_OFFLOAD_SECURITY;
 724
 725         *rx_offloads = offloads;
 726 }
 727
 728 /**
 729  * A conversion function from rxmode offloads API.
 730  */
 731 static void
 732 rte_eth_convert_rx_offloads(const uint64_t rx_offloads,
 733                             struct rte_eth_rxmode *rxmode)
 734 {
 735
 736         if (rx_offloads & DEV_RX_OFFLOAD_HEADER_SPLIT)
 737                 rxmode->header_split = 1;
 738         else
 739                 rxmode->header_split = 0;
 740         if (rx_offloads & DEV_RX_OFFLOAD_CHECKSUM)
 741                 rxmode->hw_ip_checksum = 1;
 742         else
 743                 rxmode->hw_ip_checksum = 0;
 744         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
 745                 rxmode->hw_vlan_filter = 1;
 746         else
 747                 rxmode->hw_vlan_filter = 0;
 748         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 749                 rxmode->hw_vlan_strip = 1;
 750         else
 751                 rxmode->hw_vlan_strip = 0;
 752         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
 753                 rxmode->hw_vlan_extend = 1;
 754         else
 755                 rxmode->hw_vlan_extend = 0;
 756         if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
 757                 rxmode->jumbo_frame = 1;
 758         else
 759                 rxmode->jumbo_frame = 0;
 760         if (rx_offloads & DEV_RX_OFFLOAD_CRC_STRIP)
 761                 rxmode->hw_strip_crc = 1;
 762         else
 763                 rxmode->hw_strip_crc = 0;
 764         if (rx_offloads & DEV_RX_OFFLOAD_SCATTER)
 765                 rxmode->enable_scatter = 1;
 766         else
 767                 rxmode->enable_scatter = 0;
 768         if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
 769                 rxmode->enable_lro = 1;
 770         else
 771                 rxmode->enable_lro = 0;
 772         if (rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)
 773                 rxmode->hw_timestamp = 1;
 774         else
 775                 rxmode->hw_timestamp = 0;
 776         if (rx_offloads & DEV_RX_OFFLOAD_SECURITY)
 777                 rxmode->security = 1;
 778         else
 779                 rxmode->security = 0;
 780 }
 781
 782 int
 783 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 784                       const struct rte_eth_conf *dev_conf)
 785 {
 786         struct rte_eth_dev *dev;
 787         struct rte_eth_dev_info dev_info;
 788         struct rte_eth_conf local_conf = *dev_conf;
 789         int diag;
 790
 791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 792
 793         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 794                 RTE_PMD_DEBUG_TRACE(
 795                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 796                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 797                 return -EINVAL;
 798         }
 799
 800         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 801                 RTE_PMD_DEBUG_TRACE(
 802                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 803                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 804                 return -EINVAL;
 805         }
 806
 807         dev = &rte_eth_devices[port_id];
 808
 809         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 810         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 811
 812         if (dev->data->dev_started) {
 813                 RTE_PMD_DEBUG_TRACE(
 814                     "port %d must be stopped to allow configuration\n", port_id);
 815                 return -EBUSY;
 816         }
 817
 818         /*
 819          * Convert between the offloads API to enable PMDs to support
 820          * only one of them.
 821          */
 822         if ((dev_conf->rxmode.ignore_offload_bitfield == 0)) {
 823                 rte_eth_convert_rx_offload_bitfield(
 824                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
 825         } else {
 826                 rte_eth_convert_rx_offloads(dev_conf->rxmode.offloads,
 827                                             &local_conf.rxmode);
 828         }
 829
 830         /* Copy the dev_conf parameter into the dev structure */
 831         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
 832
 833         /*
 834          * Check that the numbers of RX and TX queues are not greater
 835          * than the maximum number of RX and TX queues supported by the
 836          * configured device.
 837          */
 838         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 839
 840         if (nb_rx_q == 0 && nb_tx_q == 0) {
 841                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 842                 return -EINVAL;
 843         }
 844
 845         if (nb_rx_q > dev_info.max_rx_queues) {
 846                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 847                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 848                 return -EINVAL;
 849         }
 850
 851         if (nb_tx_q > dev_info.max_tx_queues) {
 852                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 853                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 854                 return -EINVAL;
 855         }
 856
 857         /* Check that the device supports requested interrupts */
 858         if ((dev_conf->intr_conf.lsc == 1) &&
 859                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 860                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 861                                         dev->device->driver->name);
 862                         return -EINVAL;
 863         }
 864         if ((dev_conf->intr_conf.rmv == 1) &&
 865             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
 866                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
 867                                     dev->device->driver->name);
 868                 return -EINVAL;
 869         }
 870
 871         /*
 872          * If jumbo frames are enabled, check that the maximum RX packet
 873          * length is supported by the configured device.
 874          */
 875         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 876                 if (dev_conf->rxmode.max_rx_pkt_len >
 877                     dev_info.max_rx_pktlen) {
 878                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 879                                 " > max valid value %u\n",
 880                                 port_id,
 881                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 882                                 (unsigned)dev_info.max_rx_pktlen);
 883                         return -EINVAL;
 884                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 885                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 886                                 " < min valid value %u\n",
 887                                 port_id,
 888                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 889                                 (unsigned)ETHER_MIN_LEN);
 890                         return -EINVAL;
 891                 }
 892         } else {
 893                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 894                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 895                         /* Use default value */
 896                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 897                                                         ETHER_MAX_LEN;
 898         }
 899
 900         /*
 901          * Setup new number of RX/TX queues and reconfigure device.
 902          */
 903         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
 904         if (diag != 0) {
 905                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
 906                                 port_id, diag);
 907                 return diag;
 908         }
 909
 910         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
 911         if (diag != 0) {
 912                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
 913                                 port_id, diag);
 914                 rte_eth_dev_rx_queue_config(dev, 0);
 915                 return diag;
 916         }
 917
 918         diag = (*dev->dev_ops->dev_configure)(dev);
 919         if (diag != 0) {
 920                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
 921                                 port_id, diag);
 922                 rte_eth_dev_rx_queue_config(dev, 0);
 923                 rte_eth_dev_tx_queue_config(dev, 0);
 924                 return diag;
 925         }
 926
 927         /* Initialize Rx profiling if enabled at compilation time. */
 928         diag = __rte_eth_profile_rx_init(port_id, dev);
 929         if (diag != 0) {
 930                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
 931                                 port_id, diag);
 932                 rte_eth_dev_rx_queue_config(dev, 0);
 933                 rte_eth_dev_tx_queue_config(dev, 0);
 934                 return diag;
 935         }
 936
 937         return 0;
 938 }
 939
 940 void
 941 _rte_eth_dev_reset(struct rte_eth_dev *dev)
 942 {
 943         if (dev->data->dev_started) {
 944                 RTE_PMD_DEBUG_TRACE(
 945                         "port %d must be stopped to allow reset\n",
 946                         dev->data->port_id);
 947                 return;
 948         }
 949
 950         rte_eth_dev_rx_queue_config(dev, 0);
 951         rte_eth_dev_tx_queue_config(dev, 0);
 952
 953         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
 954 }
 955
 956 static void
 957 rte_eth_dev_config_restore(uint16_t port_id)
 958 {
 959         struct rte_eth_dev *dev;
 960         struct rte_eth_dev_info dev_info;
 961         struct ether_addr *addr;
 962         uint16_t i;
 963         uint32_t pool = 0;
 964         uint64_t pool_mask;
 965
 966         dev = &rte_eth_devices[port_id];
 967
 968         rte_eth_dev_info_get(port_id, &dev_info);
 969
 970         /* replay MAC address configuration including default MAC */
 971         addr = &dev->data->mac_addrs[0];
 972         if (*dev->dev_ops->mac_addr_set != NULL)
 973                 (*dev->dev_ops->mac_addr_set)(dev, addr);
 974         else if (*dev->dev_ops->mac_addr_add != NULL)
 975                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
 976
 977         if (*dev->dev_ops->mac_addr_add != NULL) {
 978                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
 979                         addr = &dev->data->mac_addrs[i];
 980
 981                         /* skip zero address */
 982                         if (is_zero_ether_addr(addr))
 983                                 continue;
 984
 985                         pool = 0;
 986                         pool_mask = dev->data->mac_pool_sel[i];
 987
 988                         do {
 989                                 if (pool_mask & 1ULL)
 990                                         (*dev->dev_ops->mac_addr_add)(dev,
 991                                                 addr, i, pool);
 992                                 pool_mask >>= 1;
 993                                 pool++;
 994                         } while (pool_mask);
 995                 }
 996         }
 997
 998         /* replay promiscuous configuration */
 999         if (rte_eth_promiscuous_get(port_id) == 1)
1000                 rte_eth_promiscuous_enable(port_id);
1001         else if (rte_eth_promiscuous_get(port_id) == 0)
1002                 rte_eth_promiscuous_disable(port_id);
1003
1004         /* replay all multicast configuration */
1005         if (rte_eth_allmulticast_get(port_id) == 1)
1006                 rte_eth_allmulticast_enable(port_id);
1007         else if (rte_eth_allmulticast_get(port_id) == 0)
1008                 rte_eth_allmulticast_disable(port_id);
1009 }
1010
1011 int
1012 rte_eth_dev_start(uint16_t port_id)
1013 {
1014         struct rte_eth_dev *dev;
1015         int diag;
1016
1017         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1018
1019         dev = &rte_eth_devices[port_id];
1020
1021         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1022
1023         if (dev->data->dev_started != 0) {
1024                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1025                         " already started\n",
1026                         port_id);
1027                 return 0;
1028         }
1029
1030         diag = (*dev->dev_ops->dev_start)(dev);
1031         if (diag == 0)
1032                 dev->data->dev_started = 1;
1033         else
1034                 return diag;
1035
1036         rte_eth_dev_config_restore(port_id);
1037
1038         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1039                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1040                 (*dev->dev_ops->link_update)(dev, 0);
1041         }
1042         return 0;
1043 }
1044
1045 void
1046 rte_eth_dev_stop(uint16_t port_id)
1047 {
1048         struct rte_eth_dev *dev;
1049
1050         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1051         dev = &rte_eth_devices[port_id];
1052
1053         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1054
1055         if (dev->data->dev_started == 0) {
1056                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1057                         " already stopped\n",
1058                         port_id);
1059                 return;
1060         }
1061
1062         dev->data->dev_started = 0;
1063         (*dev->dev_ops->dev_stop)(dev);
1064 }
1065
1066 int
1067 rte_eth_dev_set_link_up(uint16_t port_id)
1068 {
1069         struct rte_eth_dev *dev;
1070
1071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1072
1073         dev = &rte_eth_devices[port_id];
1074
1075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1076         return (*dev->dev_ops->dev_set_link_up)(dev);
1077 }
1078
1079 int
1080 rte_eth_dev_set_link_down(uint16_t port_id)
1081 {
1082         struct rte_eth_dev *dev;
1083
1084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1085
1086         dev = &rte_eth_devices[port_id];
1087
1088         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1089         return (*dev->dev_ops->dev_set_link_down)(dev);
1090 }
1091
1092 void
1093 rte_eth_dev_close(uint16_t port_id)
1094 {
1095         struct rte_eth_dev *dev;
1096
1097         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1098         dev = &rte_eth_devices[port_id];
1099
1100         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1101         dev->data->dev_started = 0;
1102         (*dev->dev_ops->dev_close)(dev);
1103
1104         dev->data->nb_rx_queues = 0;
1105         rte_free(dev->data->rx_queues);
1106         dev->data->rx_queues = NULL;
1107         dev->data->nb_tx_queues = 0;
1108         rte_free(dev->data->tx_queues);
1109         dev->data->tx_queues = NULL;
1110 }
1111
1112 int
1113 rte_eth_dev_reset(uint16_t port_id)
1114 {
1115         struct rte_eth_dev *dev;
1116         int ret;
1117
1118         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1119         dev = &rte_eth_devices[port_id];
1120
1121         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1122
1123         rte_eth_dev_stop(port_id);
1124         ret = dev->dev_ops->dev_reset(dev);
1125
1126         return ret;
1127 }
1128
1129 int
1130 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1131                        uint16_t nb_rx_desc, unsigned int socket_id,
1132                        const struct rte_eth_rxconf *rx_conf,
1133                        struct rte_mempool *mp)
1134 {
1135         int ret;
1136         uint32_t mbp_buf_size;
1137         struct rte_eth_dev *dev;
1138         struct rte_eth_dev_info dev_info;
1139         struct rte_eth_rxconf local_conf;
1140         void **rxq;
1141
1142         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1143
1144         dev = &rte_eth_devices[port_id];
1145         if (rx_queue_id >= dev->data->nb_rx_queues) {
1146                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1147                 return -EINVAL;
1148         }
1149
1150         if (dev->data->dev_started) {
1151                 RTE_PMD_DEBUG_TRACE(
1152                     "port %d must be stopped to allow configuration\n", port_id);
1153                 return -EBUSY;
1154         }
1155
1156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1157         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1158
1159         /*
1160          * Check the size of the mbuf data buffer.
1161          * This value must be provided in the private data of the memory pool.
1162          * First check that the memory pool has a valid private data.
1163          */
1164         rte_eth_dev_info_get(port_id, &dev_info);
1165         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1166                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1167                                 mp->name, (int) mp->private_data_size,
1168                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1169                 return -ENOSPC;
1170         }
1171         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1172
1173         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1174                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1175                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1176                                 "=%d)\n",
1177                                 mp->name,
1178                                 (int)mbp_buf_size,
1179                                 (int)(RTE_PKTMBUF_HEADROOM +
1180                                       dev_info.min_rx_bufsize),
1181                                 (int)RTE_PKTMBUF_HEADROOM,
1182                                 (int)dev_info.min_rx_bufsize);
1183                 return -EINVAL;
1184         }
1185
1186         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1187                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1188                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1189
1190                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1191                         "should be: <= %hu, = %hu, and a product of %hu\n",
1192                         nb_rx_desc,
1193                         dev_info.rx_desc_lim.nb_max,
1194                         dev_info.rx_desc_lim.nb_min,
1195                         dev_info.rx_desc_lim.nb_align);
1196                 return -EINVAL;
1197         }
1198
1199         rxq = dev->data->rx_queues;
1200         if (rxq[rx_queue_id]) {
1201                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1202                                         -ENOTSUP);
1203                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1204                 rxq[rx_queue_id] = NULL;
1205         }
1206
1207         if (rx_conf == NULL)
1208                 rx_conf = &dev_info.default_rxconf;
1209
1210         local_conf = *rx_conf;
1211         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1212                 /**
1213                  * Reflect port offloads to queue offloads in order for
1214                  * offloads to not be discarded.
1215                  */
1216                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1217                                                     &local_conf.offloads);
1218         }
1219
1220         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1221                                               socket_id, &local_conf, mp);
1222         if (!ret) {
1223                 if (!dev->data->min_rx_buf_size ||
1224                     dev->data->min_rx_buf_size > mbp_buf_size)
1225                         dev->data->min_rx_buf_size = mbp_buf_size;
1226         }
1227
1228         return ret;
1229 }
1230
1231 /**
1232  * A conversion function from txq_flags API.
1233  */
1234 static void
1235 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1236 {
1237         uint64_t offloads = 0;
1238
1239         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1240                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1241         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1242                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1243         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1244                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1245         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1246                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1247         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1248                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1249         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1250             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1251                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1252
1253         *tx_offloads = offloads;
1254 }
1255
1256 /**
1257  * A conversion function from offloads API.
1258  */
1259 static void
1260 rte_eth_convert_txq_offloads(const uint64_t tx_offloads, uint32_t *txq_flags)
1261 {
1262         uint32_t flags = 0;
1263
1264         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1265                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1266         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1267                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1268         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1269                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1270         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1271                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1272         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1273                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1274         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1275                 flags |= (ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP);
1276
1277         *txq_flags = flags;
1278 }
1279
1280 int
1281 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1282                        uint16_t nb_tx_desc, unsigned int socket_id,
1283                        const struct rte_eth_txconf *tx_conf)
1284 {
1285         struct rte_eth_dev *dev;
1286         struct rte_eth_dev_info dev_info;
1287         struct rte_eth_txconf local_conf;
1288         void **txq;
1289
1290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1291
1292         dev = &rte_eth_devices[port_id];
1293         if (tx_queue_id >= dev->data->nb_tx_queues) {
1294                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1295                 return -EINVAL;
1296         }
1297
1298         if (dev->data->dev_started) {
1299                 RTE_PMD_DEBUG_TRACE(
1300                     "port %d must be stopped to allow configuration\n", port_id);
1301                 return -EBUSY;
1302         }
1303
1304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1305         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1306
1307         rte_eth_dev_info_get(port_id, &dev_info);
1308
1309         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1310             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1311             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1312                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1313                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1314                                 nb_tx_desc,
1315                                 dev_info.tx_desc_lim.nb_max,
1316                                 dev_info.tx_desc_lim.nb_min,
1317                                 dev_info.tx_desc_lim.nb_align);
1318                 return -EINVAL;
1319         }
1320
1321         txq = dev->data->tx_queues;
1322         if (txq[tx_queue_id]) {
1323                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1324                                         -ENOTSUP);
1325                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1326                 txq[tx_queue_id] = NULL;
1327         }
1328
1329         if (tx_conf == NULL)
1330                 tx_conf = &dev_info.default_txconf;
1331
1332         /*
1333          * Convert between the offloads API to enable PMDs to support
1334          * only one of them.
1335          */
1336         local_conf = *tx_conf;
1337         if (tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE) {
1338                 rte_eth_convert_txq_offloads(tx_conf->offloads,
1339                                              &local_conf.txq_flags);
1340                 /* Keep the ignore flag. */
1341                 local_conf.txq_flags |= ETH_TXQ_FLAGS_IGNORE;
1342         } else {
1343                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1344                                           &local_conf.offloads);
1345         }
1346
1347         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1348                                                socket_id, &local_conf);
1349 }
1350
1351 void
1352 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1353                 void *userdata __rte_unused)
1354 {
1355         unsigned i;
1356
1357         for (i = 0; i < unsent; i++)
1358                 rte_pktmbuf_free(pkts[i]);
1359 }
1360
1361 void
1362 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1363                 void *userdata)
1364 {
1365         uint64_t *count = userdata;
1366         unsigned i;
1367
1368         for (i = 0; i < unsent; i++)
1369                 rte_pktmbuf_free(pkts[i]);
1370
1371         *count += unsent;
1372 }
1373
1374 int
1375 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1376                 buffer_tx_error_fn cbfn, void *userdata)
1377 {
1378         buffer->error_callback = cbfn;
1379         buffer->error_userdata = userdata;
1380         return 0;
1381 }
1382
1383 int
1384 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1385 {
1386         int ret = 0;
1387
1388         if (buffer == NULL)
1389                 return -EINVAL;
1390
1391         buffer->size = size;
1392         if (buffer->error_callback == NULL) {
1393                 ret = rte_eth_tx_buffer_set_err_callback(
1394                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1395         }
1396
1397         return ret;
1398 }
1399
1400 int
1401 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1402 {
1403         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1404
1405         /* Validate Input Data. Bail if not valid or not supported. */
1406         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1407         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1408
1409         /* Call driver to free pending mbufs. */
1410         return (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1411                         free_cnt);
1412 }
1413
1414 void
1415 rte_eth_promiscuous_enable(uint16_t port_id)
1416 {
1417         struct rte_eth_dev *dev;
1418
1419         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1420         dev = &rte_eth_devices[port_id];
1421
1422         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1423         (*dev->dev_ops->promiscuous_enable)(dev);
1424         dev->data->promiscuous = 1;
1425 }
1426
1427 void
1428 rte_eth_promiscuous_disable(uint16_t port_id)
1429 {
1430         struct rte_eth_dev *dev;
1431
1432         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1433         dev = &rte_eth_devices[port_id];
1434
1435         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1436         dev->data->promiscuous = 0;
1437         (*dev->dev_ops->promiscuous_disable)(dev);
1438 }
1439
1440 int
1441 rte_eth_promiscuous_get(uint16_t port_id)
1442 {
1443         struct rte_eth_dev *dev;
1444
1445         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1446
1447         dev = &rte_eth_devices[port_id];
1448         return dev->data->promiscuous;
1449 }
1450
1451 void
1452 rte_eth_allmulticast_enable(uint16_t port_id)
1453 {
1454         struct rte_eth_dev *dev;
1455
1456         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1457         dev = &rte_eth_devices[port_id];
1458
1459         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1460         (*dev->dev_ops->allmulticast_enable)(dev);
1461         dev->data->all_multicast = 1;
1462 }
1463
1464 void
1465 rte_eth_allmulticast_disable(uint16_t port_id)
1466 {
1467         struct rte_eth_dev *dev;
1468
1469         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1470         dev = &rte_eth_devices[port_id];
1471
1472         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1473         dev->data->all_multicast = 0;
1474         (*dev->dev_ops->allmulticast_disable)(dev);
1475 }
1476
1477 int
1478 rte_eth_allmulticast_get(uint16_t port_id)
1479 {
1480         struct rte_eth_dev *dev;
1481
1482         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1483
1484         dev = &rte_eth_devices[port_id];
1485         return dev->data->all_multicast;
1486 }
1487
1488 static inline int
1489 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1490                                 struct rte_eth_link *link)
1491 {
1492         struct rte_eth_link *dst = link;
1493         struct rte_eth_link *src = &(dev->data->dev_link);
1494
1495         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1496                                         *(uint64_t *)src) == 0)
1497                 return -1;
1498
1499         return 0;
1500 }
1501
1502 void
1503 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1504 {
1505         struct rte_eth_dev *dev;
1506
1507         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1508         dev = &rte_eth_devices[port_id];
1509
1510         if (dev->data->dev_conf.intr_conf.lsc != 0)
1511                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1512         else {
1513                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1514                 (*dev->dev_ops->link_update)(dev, 1);
1515                 *eth_link = dev->data->dev_link;
1516         }
1517 }
1518
1519 void
1520 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1521 {
1522         struct rte_eth_dev *dev;
1523
1524         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1525         dev = &rte_eth_devices[port_id];
1526
1527         if (dev->data->dev_conf.intr_conf.lsc != 0)
1528                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1529         else {
1530                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1531                 (*dev->dev_ops->link_update)(dev, 0);
1532                 *eth_link = dev->data->dev_link;
1533         }
1534 }
1535
1536 int
1537 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1538 {
1539         struct rte_eth_dev *dev;
1540
1541         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1542
1543         dev = &rte_eth_devices[port_id];
1544         memset(stats, 0, sizeof(*stats));
1545
1546         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1547         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1548         return (*dev->dev_ops->stats_get)(dev, stats);
1549 }
1550
1551 int
1552 rte_eth_stats_reset(uint16_t port_id)
1553 {
1554         struct rte_eth_dev *dev;
1555
1556         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1557         dev = &rte_eth_devices[port_id];
1558
1559         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1560         (*dev->dev_ops->stats_reset)(dev);
1561         dev->data->rx_mbuf_alloc_failed = 0;
1562
1563         return 0;
1564 }
1565
1566 static inline int
1567 get_xstats_basic_count(struct rte_eth_dev *dev)
1568 {
1569         uint16_t nb_rxqs, nb_txqs;
1570         int count;
1571
1572         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1573         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1574
1575         count = RTE_NB_STATS;
1576         count += nb_rxqs * RTE_NB_RXQ_STATS;
1577         count += nb_txqs * RTE_NB_TXQ_STATS;
1578
1579         return count;
1580 }
1581
1582 static int
1583 get_xstats_count(uint16_t port_id)
1584 {
1585         struct rte_eth_dev *dev;
1586         int count;
1587
1588         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1589         dev = &rte_eth_devices[port_id];
1590         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1591                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1592                                 NULL, 0);
1593                 if (count < 0)
1594                         return count;
1595         }
1596         if (dev->dev_ops->xstats_get_names != NULL) {
1597                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1598                 if (count < 0)
1599                         return count;
1600         } else
1601                 count = 0;
1602
1603
1604         count += get_xstats_basic_count(dev);
1605
1606         return count;
1607 }
1608
1609 int
1610 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1611                 uint64_t *id)
1612 {
1613         int cnt_xstats, idx_xstat;
1614
1615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1616
1617         if (!id) {
1618                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1619                 return -ENOMEM;
1620         }
1621
1622         if (!xstat_name) {
1623                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1624                 return -ENOMEM;
1625         }
1626
1627         /* Get count */
1628         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1629         if (cnt_xstats  < 0) {
1630                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1631                 return -ENODEV;
1632         }
1633
1634         /* Get id-name lookup table */
1635         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1636
1637         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1638                         port_id, xstats_names, cnt_xstats, NULL)) {
1639                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1640                 return -1;
1641         }
1642
1643         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1644                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1645                         *id = idx_xstat;
1646                         return 0;
1647                 };
1648         }
1649
1650         return -EINVAL;
1651 }
1652
1653 /* retrieve ethdev extended statistics names */
1654 int
1655 rte_eth_xstats_get_names_by_id(uint16_t port_id,
1656         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1657         uint64_t *ids)
1658 {
1659         struct rte_eth_xstat_name *xstats_names_copy;
1660         unsigned int no_basic_stat_requested = 1;
1661         unsigned int expected_entries;
1662         struct rte_eth_dev *dev;
1663         unsigned int i;
1664
1665         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1666         expected_entries = get_xstats_count(port_id);
1667         dev = &rte_eth_devices[port_id];
1668
1669         /* Return max number of stats if no ids given */
1670         if (!ids) {
1671                 if (!xstats_names)
1672                         return expected_entries;
1673                 else if (xstats_names && size < expected_entries)
1674                         return expected_entries;
1675         }
1676
1677         if (ids && !xstats_names)
1678                 return -EINVAL;
1679
1680         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
1681                 unsigned int basic_count = get_xstats_basic_count(dev);
1682                 uint64_t ids_copy[size];
1683
1684                 for (i = 0; i < size; i++) {
1685                         if (ids[i] < basic_count) {
1686                                 no_basic_stat_requested = 0;
1687                                 break;
1688                         }
1689
1690                         /*
1691                          * Convert ids to xstats ids that PMD knows.
1692                          * ids known by user are basic + extended stats.
1693                          */
1694                         ids_copy[i] = ids[i] - basic_count;
1695                 }
1696
1697                 if (no_basic_stat_requested)
1698                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
1699                                         xstats_names, ids_copy, size);
1700         }
1701
1702         /* Retrieve all stats */
1703         if (!ids) {
1704                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
1705                                 expected_entries);
1706                 if (num_stats < 0 || num_stats > (int)expected_entries)
1707                         return num_stats;
1708                 else
1709                         return expected_entries;
1710         }
1711
1712         xstats_names_copy = calloc(expected_entries,
1713                 sizeof(struct rte_eth_xstat_name));
1714
1715         if (!xstats_names_copy) {
1716                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
1717                 return -ENOMEM;
1718         }
1719
1720         /* Fill xstats_names_copy structure */
1721         rte_eth_xstats_get_names(port_id, xstats_names_copy, expected_entries);
1722
1723         /* Filter stats */
1724         for (i = 0; i < size; i++) {
1725                 if (ids[i] >= expected_entries) {
1726                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
1727                         free(xstats_names_copy);
1728                         return -1;
1729                 }
1730                 xstats_names[i] = xstats_names_copy[ids[i]];
1731         }
1732
1733         free(xstats_names_copy);
1734         return size;
1735 }
1736
1737 int
1738 rte_eth_xstats_get_names(uint16_t port_id,
1739         struct rte_eth_xstat_name *xstats_names,
1740         unsigned int size)
1741 {
1742         struct rte_eth_dev *dev;
1743         int cnt_used_entries;
1744         int cnt_expected_entries;
1745         int cnt_driver_entries;
1746         uint32_t idx, id_queue;
1747         uint16_t num_q;
1748
1749         cnt_expected_entries = get_xstats_count(port_id);
1750         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1751                         (int)size < cnt_expected_entries)
1752                 return cnt_expected_entries;
1753
1754         /* port_id checked in get_xstats_count() */
1755         dev = &rte_eth_devices[port_id];
1756         cnt_used_entries = 0;
1757
1758         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1759                 snprintf(xstats_names[cnt_used_entries].name,
1760                         sizeof(xstats_names[0].name),
1761                         "%s", rte_stats_strings[idx].name);
1762                 cnt_used_entries++;
1763         }
1764         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1765         for (id_queue = 0; id_queue < num_q; id_queue++) {
1766                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1767                         snprintf(xstats_names[cnt_used_entries].name,
1768                                 sizeof(xstats_names[0].name),
1769                                 "rx_q%u%s",
1770                                 id_queue, rte_rxq_stats_strings[idx].name);
1771                         cnt_used_entries++;
1772                 }
1773
1774         }
1775         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1776         for (id_queue = 0; id_queue < num_q; id_queue++) {
1777                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1778                         snprintf(xstats_names[cnt_used_entries].name,
1779                                 sizeof(xstats_names[0].name),
1780                                 "tx_q%u%s",
1781                                 id_queue, rte_txq_stats_strings[idx].name);
1782                         cnt_used_entries++;
1783                 }
1784         }
1785
1786         if (dev->dev_ops->xstats_get_names != NULL) {
1787                 /* If there are any driver-specific xstats, append them
1788                  * to end of list.
1789                  */
1790                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1791                         dev,
1792                         xstats_names + cnt_used_entries,
1793                         size - cnt_used_entries);
1794                 if (cnt_driver_entries < 0)
1795                         return cnt_driver_entries;
1796                 cnt_used_entries += cnt_driver_entries;
1797         }
1798
1799         return cnt_used_entries;
1800 }
1801
1802 /* retrieve ethdev extended statistics */
1803 int
1804 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
1805                          uint64_t *values, unsigned int size)
1806 {
1807         unsigned int no_basic_stat_requested = 1;
1808         unsigned int num_xstats_filled;
1809         uint16_t expected_entries;
1810         struct rte_eth_dev *dev;
1811         unsigned int i;
1812
1813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1814         expected_entries = get_xstats_count(port_id);
1815         struct rte_eth_xstat xstats[expected_entries];
1816         dev = &rte_eth_devices[port_id];
1817
1818         /* Return max number of stats if no ids given */
1819         if (!ids) {
1820                 if (!values)
1821                         return expected_entries;
1822                 else if (values && size < expected_entries)
1823                         return expected_entries;
1824         }
1825
1826         if (ids && !values)
1827                 return -EINVAL;
1828
1829         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
1830                 unsigned int basic_count = get_xstats_basic_count(dev);
1831                 uint64_t ids_copy[size];
1832
1833                 for (i = 0; i < size; i++) {
1834                         if (ids[i] < basic_count) {
1835                                 no_basic_stat_requested = 0;
1836                                 break;
1837                         }
1838
1839                         /*
1840                          * Convert ids to xstats ids that PMD knows.
1841                          * ids known by user are basic + extended stats.
1842                          */
1843                         ids_copy[i] = ids[i] - basic_count;
1844                 }
1845
1846                 if (no_basic_stat_requested)
1847                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
1848                                         values, size);
1849         }
1850
1851         /* Fill the xstats structure */
1852         num_xstats_filled = rte_eth_xstats_get(port_id, xstats,
1853                 expected_entries);
1854
1855         /* Return all stats */
1856         if (!ids) {
1857                 for (i = 0; i < num_xstats_filled; i++)
1858                         values[i] = xstats[i].value;
1859                 return expected_entries;
1860         }
1861
1862         /* Filter stats */
1863         for (i = 0; i < size; i++) {
1864                 if (ids[i] >= expected_entries) {
1865                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
1866                         return -1;
1867                 }
1868                 values[i] = xstats[ids[i]].value;
1869         }
1870         return size;
1871 }
1872
1873 int
1874 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
1875         unsigned int n)
1876 {
1877         struct rte_eth_stats eth_stats;
1878         struct rte_eth_dev *dev;
1879         unsigned int count = 0, i, q;
1880         signed int xcount = 0;
1881         uint64_t val, *stats_ptr;
1882         uint16_t nb_rxqs, nb_txqs;
1883
1884         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1885
1886         dev = &rte_eth_devices[port_id];
1887
1888         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1889         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1890
1891         /* Return generic statistics */
1892         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1893                 (nb_txqs * RTE_NB_TXQ_STATS);
1894
1895         /* implemented by the driver */
1896         if (dev->dev_ops->xstats_get != NULL) {
1897                 /* Retrieve the xstats from the driver at the end of the
1898                  * xstats struct.
1899                  */
1900                 xcount = (*dev->dev_ops->xstats_get)(dev,
1901                                      xstats ? xstats + count : NULL,
1902                                      (n > count) ? n - count : 0);
1903
1904                 if (xcount < 0)
1905                         return xcount;
1906         }
1907
1908         if (n < count + xcount || xstats == NULL)
1909                 return count + xcount;
1910
1911         /* now fill the xstats structure */
1912         count = 0;
1913         rte_eth_stats_get(port_id, &eth_stats);
1914
1915         /* global stats */
1916         for (i = 0; i < RTE_NB_STATS; i++) {
1917                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1918                                         rte_stats_strings[i].offset);
1919                 val = *stats_ptr;
1920                 xstats[count++].value = val;
1921         }
1922
1923         /* per-rxq stats */
1924         for (q = 0; q < nb_rxqs; q++) {
1925                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1926                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1927                                         rte_rxq_stats_strings[i].offset +
1928                                         q * sizeof(uint64_t));
1929                         val = *stats_ptr;
1930                         xstats[count++].value = val;
1931                 }
1932         }
1933
1934         /* per-txq stats */
1935         for (q = 0; q < nb_txqs; q++) {
1936                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1937                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1938                                         rte_txq_stats_strings[i].offset +
1939                                         q * sizeof(uint64_t));
1940                         val = *stats_ptr;
1941                         xstats[count++].value = val;
1942                 }
1943         }
1944
1945         for (i = 0; i < count; i++)
1946                 xstats[i].id = i;
1947         /* add an offset to driver-specific stats */
1948         for ( ; i < count + xcount; i++)
1949                 xstats[i].id += count;
1950
1951         return count + xcount;
1952 }
1953
1954 /* reset ethdev extended statistics */
1955 void
1956 rte_eth_xstats_reset(uint16_t port_id)
1957 {
1958         struct rte_eth_dev *dev;
1959
1960         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1961         dev = &rte_eth_devices[port_id];
1962
1963         /* implemented by the driver */
1964         if (dev->dev_ops->xstats_reset != NULL) {
1965                 (*dev->dev_ops->xstats_reset)(dev);
1966                 return;
1967         }
1968
1969         /* fallback to default */
1970         rte_eth_stats_reset(port_id);
1971 }
1972
1973 static int
1974 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
1975                 uint8_t is_rx)
1976 {
1977         struct rte_eth_dev *dev;
1978
1979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1980
1981         dev = &rte_eth_devices[port_id];
1982
1983         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1984         return (*dev->dev_ops->queue_stats_mapping_set)
1985                         (dev, queue_id, stat_idx, is_rx);
1986 }
1987
1988
1989 int
1990 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
1991                 uint8_t stat_idx)
1992 {
1993         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1994                         STAT_QMAP_TX);
1995 }
1996
1997
1998 int
1999 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2000                 uint8_t stat_idx)
2001 {
2002         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
2003                         STAT_QMAP_RX);
2004 }
2005
2006 int
2007 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2008 {
2009         struct rte_eth_dev *dev;
2010
2011         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2012         dev = &rte_eth_devices[port_id];
2013
2014         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2015         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
2016 }
2017
2018 void
2019 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2020 {
2021         struct rte_eth_dev *dev;
2022         const struct rte_eth_desc_lim lim = {
2023                 .nb_max = UINT16_MAX,
2024                 .nb_min = 0,
2025                 .nb_align = 1,
2026         };
2027
2028         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2029         dev = &rte_eth_devices[port_id];
2030
2031         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2032         dev_info->rx_desc_lim = lim;
2033         dev_info->tx_desc_lim = lim;
2034
2035         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2036         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2037         dev_info->driver_name = dev->device->driver->name;
2038         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2039         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2040 }
2041
2042 int
2043 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2044                                  uint32_t *ptypes, int num)
2045 {
2046         int i, j;
2047         struct rte_eth_dev *dev;
2048         const uint32_t *all_ptypes;
2049
2050         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2051         dev = &rte_eth_devices[port_id];
2052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2053         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2054
2055         if (!all_ptypes)
2056                 return 0;
2057
2058         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2059                 if (all_ptypes[i] & ptype_mask) {
2060                         if (j < num)
2061                                 ptypes[j] = all_ptypes[i];
2062                         j++;
2063                 }
2064
2065         return j;
2066 }
2067
2068 void
2069 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2070 {
2071         struct rte_eth_dev *dev;
2072
2073         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2074         dev = &rte_eth_devices[port_id];
2075         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2076 }
2077
2078
2079 int
2080 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2081 {
2082         struct rte_eth_dev *dev;
2083
2084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2085
2086         dev = &rte_eth_devices[port_id];
2087         *mtu = dev->data->mtu;
2088         return 0;
2089 }
2090
2091 int
2092 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2093 {
2094         int ret;
2095         struct rte_eth_dev *dev;
2096
2097         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2098         dev = &rte_eth_devices[port_id];
2099         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2100
2101         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2102         if (!ret)
2103                 dev->data->mtu = mtu;
2104
2105         return ret;
2106 }
2107
2108 int
2109 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2110 {
2111         struct rte_eth_dev *dev;
2112         int ret;
2113
2114         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2115         dev = &rte_eth_devices[port_id];
2116         if (!(dev->data->dev_conf.rxmode.offloads &
2117               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2118                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2119                 return -ENOSYS;
2120         }
2121
2122         if (vlan_id > 4095) {
2123                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2124                                 port_id, (unsigned) vlan_id);
2125                 return -EINVAL;
2126         }
2127         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2128
2129         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2130         if (ret == 0) {
2131                 struct rte_vlan_filter_conf *vfc;
2132                 int vidx;
2133                 int vbit;
2134
2135                 vfc = &dev->data->vlan_filter_conf;
2136                 vidx = vlan_id / 64;
2137                 vbit = vlan_id % 64;
2138
2139                 if (on)
2140                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2141                 else
2142                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2143         }
2144
2145         return ret;
2146 }
2147
2148 int
2149 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2150                                     int on)
2151 {
2152         struct rte_eth_dev *dev;
2153
2154         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2155         dev = &rte_eth_devices[port_id];
2156         if (rx_queue_id >= dev->data->nb_rx_queues) {
2157                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2158                 return -EINVAL;
2159         }
2160
2161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2162         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2163
2164         return 0;
2165 }
2166
2167 int
2168 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2169                                 enum rte_vlan_type vlan_type,
2170                                 uint16_t tpid)
2171 {
2172         struct rte_eth_dev *dev;
2173
2174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2175         dev = &rte_eth_devices[port_id];
2176         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2177
2178         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
2179 }
2180
2181 int
2182 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2183 {
2184         struct rte_eth_dev *dev;
2185         int ret = 0;
2186         int mask = 0;
2187         int cur, org = 0;
2188
2189         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2190         dev = &rte_eth_devices[port_id];
2191
2192         /*check which option changed by application*/
2193         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2194         org = !!(dev->data->dev_conf.rxmode.offloads &
2195                  DEV_RX_OFFLOAD_VLAN_STRIP);
2196         if (cur != org) {
2197                 if (cur)
2198                         dev->data->dev_conf.rxmode.offloads |=
2199                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2200                 else
2201                         dev->data->dev_conf.rxmode.offloads &=
2202                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2203                 mask |= ETH_VLAN_STRIP_MASK;
2204         }
2205
2206         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2207         org = !!(dev->data->dev_conf.rxmode.offloads &
2208                  DEV_RX_OFFLOAD_VLAN_FILTER);
2209         if (cur != org) {
2210                 if (cur)
2211                         dev->data->dev_conf.rxmode.offloads |=
2212                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2213                 else
2214                         dev->data->dev_conf.rxmode.offloads &=
2215                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2216                 mask |= ETH_VLAN_FILTER_MASK;
2217         }
2218
2219         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2220         org = !!(dev->data->dev_conf.rxmode.offloads &
2221                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2222         if (cur != org) {
2223                 if (cur)
2224                         dev->data->dev_conf.rxmode.offloads |=
2225                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2226                 else
2227                         dev->data->dev_conf.rxmode.offloads &=
2228                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2229                 mask |= ETH_VLAN_EXTEND_MASK;
2230         }
2231
2232         /*no change*/
2233         if (mask == 0)
2234                 return ret;
2235
2236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2237
2238         /*
2239          * Convert to the offload bitfield API just in case the underlying PMD
2240          * still supporting it.
2241          */
2242         rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2243                                     &dev->data->dev_conf.rxmode);
2244         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2245
2246         return ret;
2247 }
2248
2249 int
2250 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2251 {
2252         struct rte_eth_dev *dev;
2253         int ret = 0;
2254
2255         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2256         dev = &rte_eth_devices[port_id];
2257
2258         if (dev->data->dev_conf.rxmode.offloads &
2259             DEV_RX_OFFLOAD_VLAN_STRIP)
2260                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2261
2262         if (dev->data->dev_conf.rxmode.offloads &
2263             DEV_RX_OFFLOAD_VLAN_FILTER)
2264                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2265
2266         if (dev->data->dev_conf.rxmode.offloads &
2267             DEV_RX_OFFLOAD_VLAN_EXTEND)
2268                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2269
2270         return ret;
2271 }
2272
2273 int
2274 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2275 {
2276         struct rte_eth_dev *dev;
2277
2278         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2279         dev = &rte_eth_devices[port_id];
2280         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2281         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2282
2283         return 0;
2284 }
2285
2286 int
2287 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2288 {
2289         struct rte_eth_dev *dev;
2290
2291         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2292         dev = &rte_eth_devices[port_id];
2293         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2294         memset(fc_conf, 0, sizeof(*fc_conf));
2295         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2296 }
2297
2298 int
2299 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2300 {
2301         struct rte_eth_dev *dev;
2302
2303         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2304         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2305                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2306                 return -EINVAL;
2307         }
2308
2309         dev = &rte_eth_devices[port_id];
2310         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2311         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2312 }
2313
2314 int
2315 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2316                                    struct rte_eth_pfc_conf *pfc_conf)
2317 {
2318         struct rte_eth_dev *dev;
2319
2320         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2321         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2322                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2323                 return -EINVAL;
2324         }
2325
2326         dev = &rte_eth_devices[port_id];
2327         /* High water, low water validation are device specific */
2328         if  (*dev->dev_ops->priority_flow_ctrl_set)
2329                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2330         return -ENOTSUP;
2331 }
2332
2333 static int
2334 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2335                         uint16_t reta_size)
2336 {
2337         uint16_t i, num;
2338
2339         if (!reta_conf)
2340                 return -EINVAL;
2341
2342         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2343         for (i = 0; i < num; i++) {
2344                 if (reta_conf[i].mask)
2345                         return 0;
2346         }
2347
2348         return -EINVAL;
2349 }
2350
2351 static int
2352 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2353                          uint16_t reta_size,
2354                          uint16_t max_rxq)
2355 {
2356         uint16_t i, idx, shift;
2357
2358         if (!reta_conf)
2359                 return -EINVAL;
2360
2361         if (max_rxq == 0) {
2362                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2363                 return -EINVAL;
2364         }
2365
2366         for (i = 0; i < reta_size; i++) {
2367                 idx = i / RTE_RETA_GROUP_SIZE;
2368                 shift = i % RTE_RETA_GROUP_SIZE;
2369                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2370                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2371                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2372                                 "the maximum rxq index: %u\n", idx, shift,
2373                                 reta_conf[idx].reta[shift], max_rxq);
2374                         return -EINVAL;
2375                 }
2376         }
2377
2378         return 0;
2379 }
2380
2381 int
2382 rte_eth_dev_rss_reta_update(uint16_t port_id,
2383                             struct rte_eth_rss_reta_entry64 *reta_conf,
2384                             uint16_t reta_size)
2385 {
2386         struct rte_eth_dev *dev;
2387         int ret;
2388
2389         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2390         /* Check mask bits */
2391         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2392         if (ret < 0)
2393                 return ret;
2394
2395         dev = &rte_eth_devices[port_id];
2396
2397         /* Check entry value */
2398         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2399                                 dev->data->nb_rx_queues);
2400         if (ret < 0)
2401                 return ret;
2402
2403         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2404         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2405 }
2406
2407 int
2408 rte_eth_dev_rss_reta_query(uint16_t port_id,
2409                            struct rte_eth_rss_reta_entry64 *reta_conf,
2410                            uint16_t reta_size)
2411 {
2412         struct rte_eth_dev *dev;
2413         int ret;
2414
2415         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2416
2417         /* Check mask bits */
2418         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2419         if (ret < 0)
2420                 return ret;
2421
2422         dev = &rte_eth_devices[port_id];
2423         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2424         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2425 }
2426
2427 int
2428 rte_eth_dev_rss_hash_update(uint16_t port_id,
2429                             struct rte_eth_rss_conf *rss_conf)
2430 {
2431         struct rte_eth_dev *dev;
2432
2433         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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(uint16_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         return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
2980 }
2981
2982 int
2983 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
2984                           int epfd, int op, void *data)
2985 {
2986         uint32_t vec;
2987         struct rte_eth_dev *dev;
2988         struct rte_intr_handle *intr_handle;
2989         int rc;
2990
2991         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2992
2993         dev = &rte_eth_devices[port_id];
2994         if (queue_id >= dev->data->nb_rx_queues) {
2995                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2996                 return -EINVAL;
2997         }
2998
2999         if (!dev->intr_handle) {
3000                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3001                 return -ENOTSUP;
3002         }
3003
3004         intr_handle = dev->intr_handle;
3005         if (!intr_handle->intr_vec) {
3006                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3007                 return -EPERM;
3008         }
3009
3010         vec = intr_handle->intr_vec[queue_id];
3011         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3012         if (rc && rc != -EEXIST) {
3013                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3014                                 " op %d epfd %d vec %u\n",
3015                                 port_id, queue_id, op, epfd, vec);
3016                 return rc;
3017         }
3018
3019         return 0;
3020 }
3021
3022 int
3023 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3024                            uint16_t queue_id)
3025 {
3026         struct rte_eth_dev *dev;
3027
3028         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3029
3030         dev = &rte_eth_devices[port_id];
3031
3032         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3033         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
3034 }
3035
3036 int
3037 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3038                             uint16_t queue_id)
3039 {
3040         struct rte_eth_dev *dev;
3041
3042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3043
3044         dev = &rte_eth_devices[port_id];
3045
3046         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3047         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
3048 }
3049
3050
3051 int
3052 rte_eth_dev_filter_supported(uint16_t port_id,
3053                              enum rte_filter_type filter_type)
3054 {
3055         struct rte_eth_dev *dev;
3056
3057         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3058
3059         dev = &rte_eth_devices[port_id];
3060         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3061         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3062                                 RTE_ETH_FILTER_NOP, NULL);
3063 }
3064
3065 int
3066 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3067                        enum rte_filter_op filter_op, void *arg)
3068 {
3069         struct rte_eth_dev *dev;
3070
3071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3072
3073         dev = &rte_eth_devices[port_id];
3074         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3075         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
3076 }
3077
3078 void *
3079 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3080                 rte_rx_callback_fn fn, void *user_param)
3081 {
3082 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3083         rte_errno = ENOTSUP;
3084         return NULL;
3085 #endif
3086         /* check input parameters */
3087         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3088                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3089                 rte_errno = EINVAL;
3090                 return NULL;
3091         }
3092         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3093
3094         if (cb == NULL) {
3095                 rte_errno = ENOMEM;
3096                 return NULL;
3097         }
3098
3099         cb->fn.rx = fn;
3100         cb->param = user_param;
3101
3102         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3103         /* Add the callbacks in fifo order. */
3104         struct rte_eth_rxtx_callback *tail =
3105                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3106
3107         if (!tail) {
3108                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3109
3110         } else {
3111                 while (tail->next)
3112                         tail = tail->next;
3113                 tail->next = cb;
3114         }
3115         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3116
3117         return cb;
3118 }
3119
3120 void *
3121 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3122                 rte_rx_callback_fn fn, void *user_param)
3123 {
3124 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3125         rte_errno = ENOTSUP;
3126         return NULL;
3127 #endif
3128         /* check input parameters */
3129         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3130                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3131                 rte_errno = EINVAL;
3132                 return NULL;
3133         }
3134
3135         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3136
3137         if (cb == NULL) {
3138                 rte_errno = ENOMEM;
3139                 return NULL;
3140         }
3141
3142         cb->fn.rx = fn;
3143         cb->param = user_param;
3144
3145         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3146         /* Add the callbacks at fisrt position*/
3147         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3148         rte_smp_wmb();
3149         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3150         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3151
3152         return cb;
3153 }
3154
3155 void *
3156 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3157                 rte_tx_callback_fn fn, void *user_param)
3158 {
3159 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3160         rte_errno = ENOTSUP;
3161         return NULL;
3162 #endif
3163         /* check input parameters */
3164         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3165                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3166                 rte_errno = EINVAL;
3167                 return NULL;
3168         }
3169
3170         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3171
3172         if (cb == NULL) {
3173                 rte_errno = ENOMEM;
3174                 return NULL;
3175         }
3176
3177         cb->fn.tx = fn;
3178         cb->param = user_param;
3179
3180         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3181         /* Add the callbacks in fifo order. */
3182         struct rte_eth_rxtx_callback *tail =
3183                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3184
3185         if (!tail) {
3186                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3187
3188         } else {
3189                 while (tail->next)
3190                         tail = tail->next;
3191                 tail->next = cb;
3192         }
3193         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3194
3195         return cb;
3196 }
3197
3198 int
3199 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3200                 struct rte_eth_rxtx_callback *user_cb)
3201 {
3202 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3203         return -ENOTSUP;
3204 #endif
3205         /* Check input parameters. */
3206         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3207         if (user_cb == NULL ||
3208                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3209                 return -EINVAL;
3210
3211         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3212         struct rte_eth_rxtx_callback *cb;
3213         struct rte_eth_rxtx_callback **prev_cb;
3214         int ret = -EINVAL;
3215
3216         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3217         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3218         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3219                 cb = *prev_cb;
3220                 if (cb == user_cb) {
3221                         /* Remove the user cb from the callback list. */
3222                         *prev_cb = cb->next;
3223                         ret = 0;
3224                         break;
3225                 }
3226         }
3227         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3228
3229         return ret;
3230 }
3231
3232 int
3233 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3234                 struct rte_eth_rxtx_callback *user_cb)
3235 {
3236 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3237         return -ENOTSUP;
3238 #endif
3239         /* Check input parameters. */
3240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3241         if (user_cb == NULL ||
3242                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3243                 return -EINVAL;
3244
3245         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3246         int ret = -EINVAL;
3247         struct rte_eth_rxtx_callback *cb;
3248         struct rte_eth_rxtx_callback **prev_cb;
3249
3250         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3251         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3252         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3253                 cb = *prev_cb;
3254                 if (cb == user_cb) {
3255                         /* Remove the user cb from the callback list. */
3256                         *prev_cb = cb->next;
3257                         ret = 0;
3258                         break;
3259                 }
3260         }
3261         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3262
3263         return ret;
3264 }
3265
3266 int
3267 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3268         struct rte_eth_rxq_info *qinfo)
3269 {
3270         struct rte_eth_dev *dev;
3271
3272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3273
3274         if (qinfo == NULL)
3275                 return -EINVAL;
3276
3277         dev = &rte_eth_devices[port_id];
3278         if (queue_id >= dev->data->nb_rx_queues) {
3279                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3280                 return -EINVAL;
3281         }
3282
3283         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3284
3285         memset(qinfo, 0, sizeof(*qinfo));
3286         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3287         return 0;
3288 }
3289
3290 int
3291 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3292         struct rte_eth_txq_info *qinfo)
3293 {
3294         struct rte_eth_dev *dev;
3295
3296         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3297
3298         if (qinfo == NULL)
3299                 return -EINVAL;
3300
3301         dev = &rte_eth_devices[port_id];
3302         if (queue_id >= dev->data->nb_tx_queues) {
3303                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3304                 return -EINVAL;
3305         }
3306
3307         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3308
3309         memset(qinfo, 0, sizeof(*qinfo));
3310         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3311         return 0;
3312 }
3313
3314 int
3315 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3316                              struct ether_addr *mc_addr_set,
3317                              uint32_t nb_mc_addr)
3318 {
3319         struct rte_eth_dev *dev;
3320
3321         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3322
3323         dev = &rte_eth_devices[port_id];
3324         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3325         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3326 }
3327
3328 int
3329 rte_eth_timesync_enable(uint16_t port_id)
3330 {
3331         struct rte_eth_dev *dev;
3332
3333         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3334         dev = &rte_eth_devices[port_id];
3335
3336         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3337         return (*dev->dev_ops->timesync_enable)(dev);
3338 }
3339
3340 int
3341 rte_eth_timesync_disable(uint16_t port_id)
3342 {
3343         struct rte_eth_dev *dev;
3344
3345         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3346         dev = &rte_eth_devices[port_id];
3347
3348         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3349         return (*dev->dev_ops->timesync_disable)(dev);
3350 }
3351
3352 int
3353 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3354                                    uint32_t flags)
3355 {
3356         struct rte_eth_dev *dev;
3357
3358         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3359         dev = &rte_eth_devices[port_id];
3360
3361         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3362         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3363 }
3364
3365 int
3366 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3367                                    struct timespec *timestamp)
3368 {
3369         struct rte_eth_dev *dev;
3370
3371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3372         dev = &rte_eth_devices[port_id];
3373
3374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3375         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3376 }
3377
3378 int
3379 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3380 {
3381         struct rte_eth_dev *dev;
3382
3383         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3384         dev = &rte_eth_devices[port_id];
3385
3386         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3387         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3388 }
3389
3390 int
3391 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
3392 {
3393         struct rte_eth_dev *dev;
3394
3395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3396         dev = &rte_eth_devices[port_id];
3397
3398         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3399         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3400 }
3401
3402 int
3403 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
3404 {
3405         struct rte_eth_dev *dev;
3406
3407         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3408         dev = &rte_eth_devices[port_id];
3409
3410         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3411         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3412 }
3413
3414 int
3415 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
3416 {
3417         struct rte_eth_dev *dev;
3418
3419         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3420
3421         dev = &rte_eth_devices[port_id];
3422         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3423         return (*dev->dev_ops->get_reg)(dev, info);
3424 }
3425
3426 int
3427 rte_eth_dev_get_eeprom_length(uint16_t port_id)
3428 {
3429         struct rte_eth_dev *dev;
3430
3431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3432
3433         dev = &rte_eth_devices[port_id];
3434         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3435         return (*dev->dev_ops->get_eeprom_length)(dev);
3436 }
3437
3438 int
3439 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3440 {
3441         struct rte_eth_dev *dev;
3442
3443         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3444
3445         dev = &rte_eth_devices[port_id];
3446         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3447         return (*dev->dev_ops->get_eeprom)(dev, info);
3448 }
3449
3450 int
3451 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3452 {
3453         struct rte_eth_dev *dev;
3454
3455         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3456
3457         dev = &rte_eth_devices[port_id];
3458         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3459         return (*dev->dev_ops->set_eeprom)(dev, info);
3460 }
3461
3462 int
3463 rte_eth_dev_get_dcb_info(uint16_t port_id,
3464                              struct rte_eth_dcb_info *dcb_info)
3465 {
3466         struct rte_eth_dev *dev;
3467
3468         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3469
3470         dev = &rte_eth_devices[port_id];
3471         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3472
3473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3474         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3475 }
3476
3477 int
3478 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
3479                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3480 {
3481         struct rte_eth_dev *dev;
3482
3483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3484         if (l2_tunnel == NULL) {
3485                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3486                 return -EINVAL;
3487         }
3488
3489         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3490                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3491                 return -EINVAL;
3492         }
3493
3494         dev = &rte_eth_devices[port_id];
3495         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3496                                 -ENOTSUP);
3497         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3498 }
3499
3500 int
3501 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
3502                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3503                                   uint32_t mask,
3504                                   uint8_t en)
3505 {
3506         struct rte_eth_dev *dev;
3507
3508         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3509
3510         if (l2_tunnel == NULL) {
3511                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3512                 return -EINVAL;
3513         }
3514
3515         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3516                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3517                 return -EINVAL;
3518         }
3519
3520         if (mask == 0) {
3521                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3522                 return -EINVAL;
3523         }
3524
3525         dev = &rte_eth_devices[port_id];
3526         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3527                                 -ENOTSUP);
3528         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3529 }
3530
3531 static void
3532 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
3533                            const struct rte_eth_desc_lim *desc_lim)
3534 {
3535         if (desc_lim->nb_align != 0)
3536                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
3537
3538         if (desc_lim->nb_max != 0)
3539                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
3540
3541         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
3542 }
3543
3544 int
3545 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
3546                                  uint16_t *nb_rx_desc,
3547                                  uint16_t *nb_tx_desc)
3548 {
3549         struct rte_eth_dev *dev;
3550         struct rte_eth_dev_info dev_info;
3551
3552         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3553
3554         dev = &rte_eth_devices[port_id];
3555         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3556
3557         rte_eth_dev_info_get(port_id, &dev_info);
3558
3559         if (nb_rx_desc != NULL)
3560                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
3561
3562         if (nb_tx_desc != NULL)
3563                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
3564
3565         return 0;
3566 }
3567
3568 int
3569 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
3570 {
3571         struct rte_eth_dev *dev;
3572
3573         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3574
3575         if (pool == NULL)
3576                 return -EINVAL;
3577
3578         dev = &rte_eth_devices[port_id];
3579
3580         if (*dev->dev_ops->pool_ops_supported == NULL)
3581                 return 1; /* all pools are supported */
3582
3583         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
3584 }