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 int
1567 get_xstats_count(uint16_t port_id)
1568 {
1569         struct rte_eth_dev *dev;
1570         int count;
1571
1572         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1573         dev = &rte_eth_devices[port_id];
1574         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1575                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1576                                 NULL, 0);
1577                 if (count < 0)
1578                         return count;
1579         }
1580         if (dev->dev_ops->xstats_get_names != NULL) {
1581                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1582                 if (count < 0)
1583                         return count;
1584         } else
1585                 count = 0;
1586
1587         count += RTE_NB_STATS;
1588         count += RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1589                  RTE_NB_RXQ_STATS;
1590         count += RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1591                  RTE_NB_TXQ_STATS;
1592         return count;
1593 }
1594
1595 int
1596 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1597                 uint64_t *id)
1598 {
1599         int cnt_xstats, idx_xstat;
1600
1601         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1602
1603         if (!id) {
1604                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1605                 return -ENOMEM;
1606         }
1607
1608         if (!xstat_name) {
1609                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1610                 return -ENOMEM;
1611         }
1612
1613         /* Get count */
1614         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1615         if (cnt_xstats  < 0) {
1616                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1617                 return -ENODEV;
1618         }
1619
1620         /* Get id-name lookup table */
1621         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1622
1623         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1624                         port_id, xstats_names, cnt_xstats, NULL)) {
1625                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1626                 return -1;
1627         }
1628
1629         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1630                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1631                         *id = idx_xstat;
1632                         return 0;
1633                 };
1634         }
1635
1636         return -EINVAL;
1637 }
1638
1639 /* retrieve ethdev extended statistics names */
1640 int
1641 rte_eth_xstats_get_names_by_id(uint16_t port_id,
1642         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1643         uint64_t *ids)
1644 {
1645         struct rte_eth_xstat_name *xstats_names_copy;
1646         unsigned int expected_entries;
1647         struct rte_eth_dev *dev;
1648         unsigned int i;
1649
1650         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1651         expected_entries = get_xstats_count(port_id);
1652         dev = &rte_eth_devices[port_id];
1653
1654         /* Return max number of stats if no ids given */
1655         if (!ids) {
1656                 if (!xstats_names)
1657                         return expected_entries;
1658                 else if (xstats_names && size < expected_entries)
1659                         return expected_entries;
1660         }
1661
1662         if (ids && !xstats_names)
1663                 return -EINVAL;
1664
1665         if (dev->dev_ops->xstats_get_names_by_id != NULL)
1666                 return (*dev->dev_ops->xstats_get_names_by_id)(
1667                                 dev, xstats_names, ids, size);
1668
1669         /* Retrieve all stats */
1670         if (!ids) {
1671                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
1672                                 expected_entries);
1673                 if (num_stats < 0 || num_stats > (int)expected_entries)
1674                         return num_stats;
1675                 else
1676                         return expected_entries;
1677         }
1678
1679         xstats_names_copy = calloc(expected_entries,
1680                 sizeof(struct rte_eth_xstat_name));
1681
1682         if (!xstats_names_copy) {
1683                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
1684                 return -ENOMEM;
1685         }
1686
1687         /* Fill xstats_names_copy structure */
1688         rte_eth_xstats_get_names(port_id, xstats_names_copy, expected_entries);
1689
1690         /* Filter stats */
1691         for (i = 0; i < size; i++) {
1692                 if (ids[i] >= expected_entries) {
1693                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
1694                         free(xstats_names_copy);
1695                         return -1;
1696                 }
1697                 xstats_names[i] = xstats_names_copy[ids[i]];
1698         }
1699
1700         free(xstats_names_copy);
1701         return size;
1702 }
1703
1704 int
1705 rte_eth_xstats_get_names(uint16_t port_id,
1706         struct rte_eth_xstat_name *xstats_names,
1707         unsigned int size)
1708 {
1709         struct rte_eth_dev *dev;
1710         int cnt_used_entries;
1711         int cnt_expected_entries;
1712         int cnt_driver_entries;
1713         uint32_t idx, id_queue;
1714         uint16_t num_q;
1715
1716         cnt_expected_entries = get_xstats_count(port_id);
1717         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1718                         (int)size < cnt_expected_entries)
1719                 return cnt_expected_entries;
1720
1721         /* port_id checked in get_xstats_count() */
1722         dev = &rte_eth_devices[port_id];
1723         cnt_used_entries = 0;
1724
1725         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1726                 snprintf(xstats_names[cnt_used_entries].name,
1727                         sizeof(xstats_names[0].name),
1728                         "%s", rte_stats_strings[idx].name);
1729                 cnt_used_entries++;
1730         }
1731         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1732         for (id_queue = 0; id_queue < num_q; id_queue++) {
1733                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1734                         snprintf(xstats_names[cnt_used_entries].name,
1735                                 sizeof(xstats_names[0].name),
1736                                 "rx_q%u%s",
1737                                 id_queue, rte_rxq_stats_strings[idx].name);
1738                         cnt_used_entries++;
1739                 }
1740
1741         }
1742         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1743         for (id_queue = 0; id_queue < num_q; id_queue++) {
1744                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1745                         snprintf(xstats_names[cnt_used_entries].name,
1746                                 sizeof(xstats_names[0].name),
1747                                 "tx_q%u%s",
1748                                 id_queue, rte_txq_stats_strings[idx].name);
1749                         cnt_used_entries++;
1750                 }
1751         }
1752
1753         if (dev->dev_ops->xstats_get_names != NULL) {
1754                 /* If there are any driver-specific xstats, append them
1755                  * to end of list.
1756                  */
1757                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1758                         dev,
1759                         xstats_names + cnt_used_entries,
1760                         size - cnt_used_entries);
1761                 if (cnt_driver_entries < 0)
1762                         return cnt_driver_entries;
1763                 cnt_used_entries += cnt_driver_entries;
1764         }
1765
1766         return cnt_used_entries;
1767 }
1768
1769 /* retrieve ethdev extended statistics */
1770 int
1771 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
1772                          uint64_t *values, unsigned int size)
1773 {
1774         unsigned int num_xstats_filled;
1775         uint16_t expected_entries;
1776         struct rte_eth_dev *dev;
1777         unsigned int i;
1778
1779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1780         expected_entries = get_xstats_count(port_id);
1781         struct rte_eth_xstat xstats[expected_entries];
1782         dev = &rte_eth_devices[port_id];
1783
1784         /* Return max number of stats if no ids given */
1785         if (!ids) {
1786                 if (!values)
1787                         return expected_entries;
1788                 else if (values && size < expected_entries)
1789                         return expected_entries;
1790         }
1791
1792         if (ids && !values)
1793                 return -EINVAL;
1794
1795         if (dev->dev_ops->xstats_get_by_id != NULL)
1796                 return (*dev->dev_ops->xstats_get_by_id)(dev, ids, values,
1797                         size);
1798
1799         /* Fill the xstats structure */
1800         num_xstats_filled = rte_eth_xstats_get(port_id, xstats,
1801                 expected_entries);
1802
1803         /* Return all stats */
1804         if (!ids) {
1805                 for (i = 0; i < num_xstats_filled; i++)
1806                         values[i] = xstats[i].value;
1807                 return expected_entries;
1808         }
1809
1810         /* Filter stats */
1811         for (i = 0; i < size; i++) {
1812                 if (ids[i] >= expected_entries) {
1813                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
1814                         return -1;
1815                 }
1816                 values[i] = xstats[ids[i]].value;
1817         }
1818         return size;
1819 }
1820
1821 int
1822 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
1823         unsigned int n)
1824 {
1825         struct rte_eth_stats eth_stats;
1826         struct rte_eth_dev *dev;
1827         unsigned int count = 0, i, q;
1828         signed int xcount = 0;
1829         uint64_t val, *stats_ptr;
1830         uint16_t nb_rxqs, nb_txqs;
1831
1832         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1833
1834         dev = &rte_eth_devices[port_id];
1835
1836         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1837         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1838
1839         /* Return generic statistics */
1840         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1841                 (nb_txqs * RTE_NB_TXQ_STATS);
1842
1843         /* implemented by the driver */
1844         if (dev->dev_ops->xstats_get != NULL) {
1845                 /* Retrieve the xstats from the driver at the end of the
1846                  * xstats struct.
1847                  */
1848                 xcount = (*dev->dev_ops->xstats_get)(dev,
1849                                      xstats ? xstats + count : NULL,
1850                                      (n > count) ? n - count : 0);
1851
1852                 if (xcount < 0)
1853                         return xcount;
1854         }
1855
1856         if (n < count + xcount || xstats == NULL)
1857                 return count + xcount;
1858
1859         /* now fill the xstats structure */
1860         count = 0;
1861         rte_eth_stats_get(port_id, &eth_stats);
1862
1863         /* global stats */
1864         for (i = 0; i < RTE_NB_STATS; i++) {
1865                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1866                                         rte_stats_strings[i].offset);
1867                 val = *stats_ptr;
1868                 xstats[count++].value = val;
1869         }
1870
1871         /* per-rxq stats */
1872         for (q = 0; q < nb_rxqs; q++) {
1873                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1874                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1875                                         rte_rxq_stats_strings[i].offset +
1876                                         q * sizeof(uint64_t));
1877                         val = *stats_ptr;
1878                         xstats[count++].value = val;
1879                 }
1880         }
1881
1882         /* per-txq stats */
1883         for (q = 0; q < nb_txqs; q++) {
1884                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1885                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1886                                         rte_txq_stats_strings[i].offset +
1887                                         q * sizeof(uint64_t));
1888                         val = *stats_ptr;
1889                         xstats[count++].value = val;
1890                 }
1891         }
1892
1893         for (i = 0; i < count; i++)
1894                 xstats[i].id = i;
1895         /* add an offset to driver-specific stats */
1896         for ( ; i < count + xcount; i++)
1897                 xstats[i].id += count;
1898
1899         return count + xcount;
1900 }
1901
1902 /* reset ethdev extended statistics */
1903 void
1904 rte_eth_xstats_reset(uint16_t port_id)
1905 {
1906         struct rte_eth_dev *dev;
1907
1908         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1909         dev = &rte_eth_devices[port_id];
1910
1911         /* implemented by the driver */
1912         if (dev->dev_ops->xstats_reset != NULL) {
1913                 (*dev->dev_ops->xstats_reset)(dev);
1914                 return;
1915         }
1916
1917         /* fallback to default */
1918         rte_eth_stats_reset(port_id);
1919 }
1920
1921 static int
1922 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
1923                 uint8_t is_rx)
1924 {
1925         struct rte_eth_dev *dev;
1926
1927         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1928
1929         dev = &rte_eth_devices[port_id];
1930
1931         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1932         return (*dev->dev_ops->queue_stats_mapping_set)
1933                         (dev, queue_id, stat_idx, is_rx);
1934 }
1935
1936
1937 int
1938 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
1939                 uint8_t stat_idx)
1940 {
1941         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1942                         STAT_QMAP_TX);
1943 }
1944
1945
1946 int
1947 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
1948                 uint8_t stat_idx)
1949 {
1950         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1951                         STAT_QMAP_RX);
1952 }
1953
1954 int
1955 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
1956 {
1957         struct rte_eth_dev *dev;
1958
1959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1960         dev = &rte_eth_devices[port_id];
1961
1962         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
1963         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
1964 }
1965
1966 void
1967 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
1968 {
1969         struct rte_eth_dev *dev;
1970         const struct rte_eth_desc_lim lim = {
1971                 .nb_max = UINT16_MAX,
1972                 .nb_min = 0,
1973                 .nb_align = 1,
1974         };
1975
1976         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1977         dev = &rte_eth_devices[port_id];
1978
1979         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1980         dev_info->rx_desc_lim = lim;
1981         dev_info->tx_desc_lim = lim;
1982
1983         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1984         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1985         dev_info->driver_name = dev->device->driver->name;
1986         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
1987         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
1988 }
1989
1990 int
1991 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
1992                                  uint32_t *ptypes, int num)
1993 {
1994         int i, j;
1995         struct rte_eth_dev *dev;
1996         const uint32_t *all_ptypes;
1997
1998         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1999         dev = &rte_eth_devices[port_id];
2000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2001         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2002
2003         if (!all_ptypes)
2004                 return 0;
2005
2006         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2007                 if (all_ptypes[i] & ptype_mask) {
2008                         if (j < num)
2009                                 ptypes[j] = all_ptypes[i];
2010                         j++;
2011                 }
2012
2013         return j;
2014 }
2015
2016 void
2017 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2018 {
2019         struct rte_eth_dev *dev;
2020
2021         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2022         dev = &rte_eth_devices[port_id];
2023         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2024 }
2025
2026
2027 int
2028 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2029 {
2030         struct rte_eth_dev *dev;
2031
2032         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2033
2034         dev = &rte_eth_devices[port_id];
2035         *mtu = dev->data->mtu;
2036         return 0;
2037 }
2038
2039 int
2040 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2041 {
2042         int ret;
2043         struct rte_eth_dev *dev;
2044
2045         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2046         dev = &rte_eth_devices[port_id];
2047         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2048
2049         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2050         if (!ret)
2051                 dev->data->mtu = mtu;
2052
2053         return ret;
2054 }
2055
2056 int
2057 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2058 {
2059         struct rte_eth_dev *dev;
2060         int ret;
2061
2062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2063         dev = &rte_eth_devices[port_id];
2064         if (!(dev->data->dev_conf.rxmode.offloads &
2065               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2066                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2067                 return -ENOSYS;
2068         }
2069
2070         if (vlan_id > 4095) {
2071                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2072                                 port_id, (unsigned) vlan_id);
2073                 return -EINVAL;
2074         }
2075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2076
2077         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2078         if (ret == 0) {
2079                 struct rte_vlan_filter_conf *vfc;
2080                 int vidx;
2081                 int vbit;
2082
2083                 vfc = &dev->data->vlan_filter_conf;
2084                 vidx = vlan_id / 64;
2085                 vbit = vlan_id % 64;
2086
2087                 if (on)
2088                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2089                 else
2090                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2091         }
2092
2093         return ret;
2094 }
2095
2096 int
2097 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2098                                     int on)
2099 {
2100         struct rte_eth_dev *dev;
2101
2102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2103         dev = &rte_eth_devices[port_id];
2104         if (rx_queue_id >= dev->data->nb_rx_queues) {
2105                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2106                 return -EINVAL;
2107         }
2108
2109         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2110         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2111
2112         return 0;
2113 }
2114
2115 int
2116 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2117                                 enum rte_vlan_type vlan_type,
2118                                 uint16_t tpid)
2119 {
2120         struct rte_eth_dev *dev;
2121
2122         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2123         dev = &rte_eth_devices[port_id];
2124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2125
2126         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
2127 }
2128
2129 int
2130 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2131 {
2132         struct rte_eth_dev *dev;
2133         int ret = 0;
2134         int mask = 0;
2135         int cur, org = 0;
2136
2137         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2138         dev = &rte_eth_devices[port_id];
2139
2140         /*check which option changed by application*/
2141         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2142         org = !!(dev->data->dev_conf.rxmode.offloads &
2143                  DEV_RX_OFFLOAD_VLAN_STRIP);
2144         if (cur != org) {
2145                 if (cur)
2146                         dev->data->dev_conf.rxmode.offloads |=
2147                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2148                 else
2149                         dev->data->dev_conf.rxmode.offloads &=
2150                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2151                 mask |= ETH_VLAN_STRIP_MASK;
2152         }
2153
2154         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2155         org = !!(dev->data->dev_conf.rxmode.offloads &
2156                  DEV_RX_OFFLOAD_VLAN_FILTER);
2157         if (cur != org) {
2158                 if (cur)
2159                         dev->data->dev_conf.rxmode.offloads |=
2160                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2161                 else
2162                         dev->data->dev_conf.rxmode.offloads &=
2163                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2164                 mask |= ETH_VLAN_FILTER_MASK;
2165         }
2166
2167         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2168         org = !!(dev->data->dev_conf.rxmode.offloads &
2169                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2170         if (cur != org) {
2171                 if (cur)
2172                         dev->data->dev_conf.rxmode.offloads |=
2173                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2174                 else
2175                         dev->data->dev_conf.rxmode.offloads &=
2176                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2177                 mask |= ETH_VLAN_EXTEND_MASK;
2178         }
2179
2180         /*no change*/
2181         if (mask == 0)
2182                 return ret;
2183
2184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2185
2186         /*
2187          * Convert to the offload bitfield API just in case the underlying PMD
2188          * still supporting it.
2189          */
2190         rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2191                                     &dev->data->dev_conf.rxmode);
2192         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2193
2194         return ret;
2195 }
2196
2197 int
2198 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2199 {
2200         struct rte_eth_dev *dev;
2201         int ret = 0;
2202
2203         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2204         dev = &rte_eth_devices[port_id];
2205
2206         if (dev->data->dev_conf.rxmode.offloads &
2207             DEV_RX_OFFLOAD_VLAN_STRIP)
2208                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2209
2210         if (dev->data->dev_conf.rxmode.offloads &
2211             DEV_RX_OFFLOAD_VLAN_FILTER)
2212                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2213
2214         if (dev->data->dev_conf.rxmode.offloads &
2215             DEV_RX_OFFLOAD_VLAN_EXTEND)
2216                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2217
2218         return ret;
2219 }
2220
2221 int
2222 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2223 {
2224         struct rte_eth_dev *dev;
2225
2226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2227         dev = &rte_eth_devices[port_id];
2228         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2229         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2230
2231         return 0;
2232 }
2233
2234 int
2235 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2236 {
2237         struct rte_eth_dev *dev;
2238
2239         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2240         dev = &rte_eth_devices[port_id];
2241         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2242         memset(fc_conf, 0, sizeof(*fc_conf));
2243         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2244 }
2245
2246 int
2247 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2248 {
2249         struct rte_eth_dev *dev;
2250
2251         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2252         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2253                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2254                 return -EINVAL;
2255         }
2256
2257         dev = &rte_eth_devices[port_id];
2258         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2259         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2260 }
2261
2262 int
2263 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2264                                    struct rte_eth_pfc_conf *pfc_conf)
2265 {
2266         struct rte_eth_dev *dev;
2267
2268         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2269         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2270                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2271                 return -EINVAL;
2272         }
2273
2274         dev = &rte_eth_devices[port_id];
2275         /* High water, low water validation are device specific */
2276         if  (*dev->dev_ops->priority_flow_ctrl_set)
2277                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2278         return -ENOTSUP;
2279 }
2280
2281 static int
2282 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2283                         uint16_t reta_size)
2284 {
2285         uint16_t i, num;
2286
2287         if (!reta_conf)
2288                 return -EINVAL;
2289
2290         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2291         for (i = 0; i < num; i++) {
2292                 if (reta_conf[i].mask)
2293                         return 0;
2294         }
2295
2296         return -EINVAL;
2297 }
2298
2299 static int
2300 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2301                          uint16_t reta_size,
2302                          uint16_t max_rxq)
2303 {
2304         uint16_t i, idx, shift;
2305
2306         if (!reta_conf)
2307                 return -EINVAL;
2308
2309         if (max_rxq == 0) {
2310                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2311                 return -EINVAL;
2312         }
2313
2314         for (i = 0; i < reta_size; i++) {
2315                 idx = i / RTE_RETA_GROUP_SIZE;
2316                 shift = i % RTE_RETA_GROUP_SIZE;
2317                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2318                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2319                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2320                                 "the maximum rxq index: %u\n", idx, shift,
2321                                 reta_conf[idx].reta[shift], max_rxq);
2322                         return -EINVAL;
2323                 }
2324         }
2325
2326         return 0;
2327 }
2328
2329 int
2330 rte_eth_dev_rss_reta_update(uint16_t port_id,
2331                             struct rte_eth_rss_reta_entry64 *reta_conf,
2332                             uint16_t reta_size)
2333 {
2334         struct rte_eth_dev *dev;
2335         int ret;
2336
2337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2338         /* Check mask bits */
2339         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2340         if (ret < 0)
2341                 return ret;
2342
2343         dev = &rte_eth_devices[port_id];
2344
2345         /* Check entry value */
2346         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2347                                 dev->data->nb_rx_queues);
2348         if (ret < 0)
2349                 return ret;
2350
2351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2352         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2353 }
2354
2355 int
2356 rte_eth_dev_rss_reta_query(uint16_t port_id,
2357                            struct rte_eth_rss_reta_entry64 *reta_conf,
2358                            uint16_t reta_size)
2359 {
2360         struct rte_eth_dev *dev;
2361         int ret;
2362
2363         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2364
2365         /* Check mask bits */
2366         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2367         if (ret < 0)
2368                 return ret;
2369
2370         dev = &rte_eth_devices[port_id];
2371         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2372         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2373 }
2374
2375 int
2376 rte_eth_dev_rss_hash_update(uint16_t port_id,
2377                             struct rte_eth_rss_conf *rss_conf)
2378 {
2379         struct rte_eth_dev *dev;
2380
2381         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2382         dev = &rte_eth_devices[port_id];
2383         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2384         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2385 }
2386
2387 int
2388 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2389                               struct rte_eth_rss_conf *rss_conf)
2390 {
2391         struct rte_eth_dev *dev;
2392
2393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2394         dev = &rte_eth_devices[port_id];
2395         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2396         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2397 }
2398
2399 int
2400 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2401                                 struct rte_eth_udp_tunnel *udp_tunnel)
2402 {
2403         struct rte_eth_dev *dev;
2404
2405         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2406         if (udp_tunnel == NULL) {
2407                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2408                 return -EINVAL;
2409         }
2410
2411         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2412                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2413                 return -EINVAL;
2414         }
2415
2416         dev = &rte_eth_devices[port_id];
2417         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2418         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2419 }
2420
2421 int
2422 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2423                                    struct rte_eth_udp_tunnel *udp_tunnel)
2424 {
2425         struct rte_eth_dev *dev;
2426
2427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2428         dev = &rte_eth_devices[port_id];
2429
2430         if (udp_tunnel == NULL) {
2431                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2432                 return -EINVAL;
2433         }
2434
2435         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2436                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2437                 return -EINVAL;
2438         }
2439
2440         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2441         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2442 }
2443
2444 int
2445 rte_eth_led_on(uint16_t port_id)
2446 {
2447         struct rte_eth_dev *dev;
2448
2449         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2450         dev = &rte_eth_devices[port_id];
2451         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2452         return (*dev->dev_ops->dev_led_on)(dev);
2453 }
2454
2455 int
2456 rte_eth_led_off(uint16_t port_id)
2457 {
2458         struct rte_eth_dev *dev;
2459
2460         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2461         dev = &rte_eth_devices[port_id];
2462         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2463         return (*dev->dev_ops->dev_led_off)(dev);
2464 }
2465
2466 /*
2467  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2468  * an empty spot.
2469  */
2470 static int
2471 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2472 {
2473         struct rte_eth_dev_info dev_info;
2474         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2475         unsigned i;
2476
2477         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2478         rte_eth_dev_info_get(port_id, &dev_info);
2479
2480         for (i = 0; i < dev_info.max_mac_addrs; i++)
2481                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2482                         return i;
2483
2484         return -1;
2485 }
2486
2487 static const struct ether_addr null_mac_addr;
2488
2489 int
2490 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
2491                         uint32_t pool)
2492 {
2493         struct rte_eth_dev *dev;
2494         int index;
2495         uint64_t pool_mask;
2496         int ret;
2497
2498         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2499         dev = &rte_eth_devices[port_id];
2500         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2501
2502         if (is_zero_ether_addr(addr)) {
2503                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2504                         port_id);
2505                 return -EINVAL;
2506         }
2507         if (pool >= ETH_64_POOLS) {
2508                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2509                 return -EINVAL;
2510         }
2511
2512         index = get_mac_addr_index(port_id, addr);
2513         if (index < 0) {
2514                 index = get_mac_addr_index(port_id, &null_mac_addr);
2515                 if (index < 0) {
2516                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2517                                 port_id);
2518                         return -ENOSPC;
2519                 }
2520         } else {
2521                 pool_mask = dev->data->mac_pool_sel[index];
2522
2523                 /* Check if both MAC address and pool is already there, and do nothing */
2524                 if (pool_mask & (1ULL << pool))
2525                         return 0;
2526         }
2527
2528         /* Update NIC */
2529         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2530
2531         if (ret == 0) {
2532                 /* Update address in NIC data structure */
2533                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2534
2535                 /* Update pool bitmap in NIC data structure */
2536                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2537         }
2538
2539         return ret;
2540 }
2541
2542 int
2543 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
2544 {
2545         struct rte_eth_dev *dev;
2546         int index;
2547
2548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2549         dev = &rte_eth_devices[port_id];
2550         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2551
2552         index = get_mac_addr_index(port_id, addr);
2553         if (index == 0) {
2554                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2555                 return -EADDRINUSE;
2556         } else if (index < 0)
2557                 return 0;  /* Do nothing if address wasn't found */
2558
2559         /* Update NIC */
2560         (*dev->dev_ops->mac_addr_remove)(dev, index);
2561
2562         /* Update address in NIC data structure */
2563         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2564
2565         /* reset pool bitmap */
2566         dev->data->mac_pool_sel[index] = 0;
2567
2568         return 0;
2569 }
2570
2571 int
2572 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
2573 {
2574         struct rte_eth_dev *dev;
2575
2576         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2577
2578         if (!is_valid_assigned_ether_addr(addr))
2579                 return -EINVAL;
2580
2581         dev = &rte_eth_devices[port_id];
2582         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2583
2584         /* Update default address in NIC data structure */
2585         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2586
2587         (*dev->dev_ops->mac_addr_set)(dev, addr);
2588
2589         return 0;
2590 }
2591
2592
2593 /*
2594  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2595  * an empty spot.
2596  */
2597 static int
2598 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2599 {
2600         struct rte_eth_dev_info dev_info;
2601         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2602         unsigned i;
2603
2604         rte_eth_dev_info_get(port_id, &dev_info);
2605         if (!dev->data->hash_mac_addrs)
2606                 return -1;
2607
2608         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2609                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2610                         ETHER_ADDR_LEN) == 0)
2611                         return i;
2612
2613         return -1;
2614 }
2615
2616 int
2617 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
2618                                 uint8_t on)
2619 {
2620         int index;
2621         int ret;
2622         struct rte_eth_dev *dev;
2623
2624         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2625
2626         dev = &rte_eth_devices[port_id];
2627         if (is_zero_ether_addr(addr)) {
2628                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2629                         port_id);
2630                 return -EINVAL;
2631         }
2632
2633         index = get_hash_mac_addr_index(port_id, addr);
2634         /* Check if it's already there, and do nothing */
2635         if ((index >= 0) && (on))
2636                 return 0;
2637
2638         if (index < 0) {
2639                 if (!on) {
2640                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2641                                 "set in UTA\n", port_id);
2642                         return -EINVAL;
2643                 }
2644
2645                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2646                 if (index < 0) {
2647                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2648                                         port_id);
2649                         return -ENOSPC;
2650                 }
2651         }
2652
2653         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2654         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2655         if (ret == 0) {
2656                 /* Update address in NIC data structure */
2657                 if (on)
2658                         ether_addr_copy(addr,
2659                                         &dev->data->hash_mac_addrs[index]);
2660                 else
2661                         ether_addr_copy(&null_mac_addr,
2662                                         &dev->data->hash_mac_addrs[index]);
2663         }
2664
2665         return ret;
2666 }
2667
2668 int
2669 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
2670 {
2671         struct rte_eth_dev *dev;
2672
2673         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2674
2675         dev = &rte_eth_devices[port_id];
2676
2677         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2678         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2679 }
2680
2681 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
2682                                         uint16_t tx_rate)
2683 {
2684         struct rte_eth_dev *dev;
2685         struct rte_eth_dev_info dev_info;
2686         struct rte_eth_link link;
2687
2688         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2689
2690         dev = &rte_eth_devices[port_id];
2691         rte_eth_dev_info_get(port_id, &dev_info);
2692         link = dev->data->dev_link;
2693
2694         if (queue_idx > dev_info.max_tx_queues) {
2695                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2696                                 "invalid queue id=%d\n", port_id, queue_idx);
2697                 return -EINVAL;
2698         }
2699
2700         if (tx_rate > link.link_speed) {
2701                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2702                                 "bigger than link speed= %d\n",
2703                         tx_rate, link.link_speed);
2704                 return -EINVAL;
2705         }
2706
2707         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2708         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2709 }
2710
2711 int
2712 rte_eth_mirror_rule_set(uint16_t port_id,
2713                         struct rte_eth_mirror_conf *mirror_conf,
2714                         uint8_t rule_id, uint8_t on)
2715 {
2716         struct rte_eth_dev *dev;
2717
2718         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2719         if (mirror_conf->rule_type == 0) {
2720                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2721                 return -EINVAL;
2722         }
2723
2724         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2725                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2726                                 ETH_64_POOLS - 1);
2727                 return -EINVAL;
2728         }
2729
2730         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2731              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2732             (mirror_conf->pool_mask == 0)) {
2733                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2734                 return -EINVAL;
2735         }
2736
2737         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2738             mirror_conf->vlan.vlan_mask == 0) {
2739                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2740                 return -EINVAL;
2741         }
2742
2743         dev = &rte_eth_devices[port_id];
2744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2745
2746         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2747 }
2748
2749 int
2750 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
2751 {
2752         struct rte_eth_dev *dev;
2753
2754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2755
2756         dev = &rte_eth_devices[port_id];
2757         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2758
2759         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2760 }
2761
2762 int
2763 rte_eth_dev_callback_register(uint16_t port_id,
2764                         enum rte_eth_event_type event,
2765                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2766 {
2767         struct rte_eth_dev *dev;
2768         struct rte_eth_dev_callback *user_cb;
2769
2770         if (!cb_fn)
2771                 return -EINVAL;
2772
2773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2774
2775         dev = &rte_eth_devices[port_id];
2776         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2777
2778         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2779                 if (user_cb->cb_fn == cb_fn &&
2780                         user_cb->cb_arg == cb_arg &&
2781                         user_cb->event == event) {
2782                         break;
2783                 }
2784         }
2785
2786         /* create a new callback. */
2787         if (user_cb == NULL) {
2788                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2789                                         sizeof(struct rte_eth_dev_callback), 0);
2790                 if (user_cb != NULL) {
2791                         user_cb->cb_fn = cb_fn;
2792                         user_cb->cb_arg = cb_arg;
2793                         user_cb->event = event;
2794                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2795                 }
2796         }
2797
2798         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2799         return (user_cb == NULL) ? -ENOMEM : 0;
2800 }
2801
2802 int
2803 rte_eth_dev_callback_unregister(uint16_t port_id,
2804                         enum rte_eth_event_type event,
2805                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2806 {
2807         int ret;
2808         struct rte_eth_dev *dev;
2809         struct rte_eth_dev_callback *cb, *next;
2810
2811         if (!cb_fn)
2812                 return -EINVAL;
2813
2814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2815
2816         dev = &rte_eth_devices[port_id];
2817         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2818
2819         ret = 0;
2820         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2821
2822                 next = TAILQ_NEXT(cb, next);
2823
2824                 if (cb->cb_fn != cb_fn || cb->event != event ||
2825                                 (cb->cb_arg != (void *)-1 &&
2826                                 cb->cb_arg != cb_arg))
2827                         continue;
2828
2829                 /*
2830                  * if this callback is not executing right now,
2831                  * then remove it.
2832                  */
2833                 if (cb->active == 0) {
2834                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2835                         rte_free(cb);
2836                 } else {
2837                         ret = -EAGAIN;
2838                 }
2839         }
2840
2841         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2842         return ret;
2843 }
2844
2845 int
2846 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2847         enum rte_eth_event_type event, void *cb_arg, void *ret_param)
2848 {
2849         struct rte_eth_dev_callback *cb_lst;
2850         struct rte_eth_dev_callback dev_cb;
2851         int rc = 0;
2852
2853         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2854         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2855                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2856                         continue;
2857                 dev_cb = *cb_lst;
2858                 cb_lst->active = 1;
2859                 if (cb_arg != NULL)
2860                         dev_cb.cb_arg = cb_arg;
2861                 if (ret_param != NULL)
2862                         dev_cb.ret_param = ret_param;
2863
2864                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2865                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2866                                 dev_cb.cb_arg, dev_cb.ret_param);
2867                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2868                 cb_lst->active = 0;
2869         }
2870         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2871         return rc;
2872 }
2873
2874 int
2875 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
2876 {
2877         uint32_t vec;
2878         struct rte_eth_dev *dev;
2879         struct rte_intr_handle *intr_handle;
2880         uint16_t qid;
2881         int rc;
2882
2883         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2884
2885         dev = &rte_eth_devices[port_id];
2886
2887         if (!dev->intr_handle) {
2888                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2889                 return -ENOTSUP;
2890         }
2891
2892         intr_handle = dev->intr_handle;
2893         if (!intr_handle->intr_vec) {
2894                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2895                 return -EPERM;
2896         }
2897
2898         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2899                 vec = intr_handle->intr_vec[qid];
2900                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2901                 if (rc && rc != -EEXIST) {
2902                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2903                                         " op %d epfd %d vec %u\n",
2904                                         port_id, qid, op, epfd, vec);
2905                 }
2906         }
2907
2908         return 0;
2909 }
2910
2911 const struct rte_memzone *
2912 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2913                          uint16_t queue_id, size_t size, unsigned align,
2914                          int socket_id)
2915 {
2916         char z_name[RTE_MEMZONE_NAMESIZE];
2917         const struct rte_memzone *mz;
2918
2919         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2920                  dev->device->driver->name, ring_name,
2921                  dev->data->port_id, queue_id);
2922
2923         mz = rte_memzone_lookup(z_name);
2924         if (mz)
2925                 return mz;
2926
2927         return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
2928 }
2929
2930 int
2931 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
2932                           int epfd, int op, void *data)
2933 {
2934         uint32_t vec;
2935         struct rte_eth_dev *dev;
2936         struct rte_intr_handle *intr_handle;
2937         int rc;
2938
2939         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2940
2941         dev = &rte_eth_devices[port_id];
2942         if (queue_id >= dev->data->nb_rx_queues) {
2943                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2944                 return -EINVAL;
2945         }
2946
2947         if (!dev->intr_handle) {
2948                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2949                 return -ENOTSUP;
2950         }
2951
2952         intr_handle = dev->intr_handle;
2953         if (!intr_handle->intr_vec) {
2954                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2955                 return -EPERM;
2956         }
2957
2958         vec = intr_handle->intr_vec[queue_id];
2959         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2960         if (rc && rc != -EEXIST) {
2961                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2962                                 " op %d epfd %d vec %u\n",
2963                                 port_id, queue_id, op, epfd, vec);
2964                 return rc;
2965         }
2966
2967         return 0;
2968 }
2969
2970 int
2971 rte_eth_dev_rx_intr_enable(uint16_t port_id,
2972                            uint16_t queue_id)
2973 {
2974         struct rte_eth_dev *dev;
2975
2976         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2977
2978         dev = &rte_eth_devices[port_id];
2979
2980         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2981         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2982 }
2983
2984 int
2985 rte_eth_dev_rx_intr_disable(uint16_t port_id,
2986                             uint16_t queue_id)
2987 {
2988         struct rte_eth_dev *dev;
2989
2990         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2991
2992         dev = &rte_eth_devices[port_id];
2993
2994         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2995         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2996 }
2997
2998
2999 int
3000 rte_eth_dev_filter_supported(uint16_t port_id,
3001                              enum rte_filter_type filter_type)
3002 {
3003         struct rte_eth_dev *dev;
3004
3005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3006
3007         dev = &rte_eth_devices[port_id];
3008         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3009         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3010                                 RTE_ETH_FILTER_NOP, NULL);
3011 }
3012
3013 int
3014 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3015                        enum rte_filter_op filter_op, void *arg)
3016 {
3017         struct rte_eth_dev *dev;
3018
3019         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3020
3021         dev = &rte_eth_devices[port_id];
3022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3023         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
3024 }
3025
3026 void *
3027 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3028                 rte_rx_callback_fn fn, void *user_param)
3029 {
3030 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3031         rte_errno = ENOTSUP;
3032         return NULL;
3033 #endif
3034         /* check input parameters */
3035         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3036                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3037                 rte_errno = EINVAL;
3038                 return NULL;
3039         }
3040         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3041
3042         if (cb == NULL) {
3043                 rte_errno = ENOMEM;
3044                 return NULL;
3045         }
3046
3047         cb->fn.rx = fn;
3048         cb->param = user_param;
3049
3050         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3051         /* Add the callbacks in fifo order. */
3052         struct rte_eth_rxtx_callback *tail =
3053                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3054
3055         if (!tail) {
3056                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3057
3058         } else {
3059                 while (tail->next)
3060                         tail = tail->next;
3061                 tail->next = cb;
3062         }
3063         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3064
3065         return cb;
3066 }
3067
3068 void *
3069 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3070                 rte_rx_callback_fn fn, void *user_param)
3071 {
3072 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3073         rte_errno = ENOTSUP;
3074         return NULL;
3075 #endif
3076         /* check input parameters */
3077         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3078                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3079                 rte_errno = EINVAL;
3080                 return NULL;
3081         }
3082
3083         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3084
3085         if (cb == NULL) {
3086                 rte_errno = ENOMEM;
3087                 return NULL;
3088         }
3089
3090         cb->fn.rx = fn;
3091         cb->param = user_param;
3092
3093         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3094         /* Add the callbacks at fisrt position*/
3095         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3096         rte_smp_wmb();
3097         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3098         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3099
3100         return cb;
3101 }
3102
3103 void *
3104 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3105                 rte_tx_callback_fn fn, void *user_param)
3106 {
3107 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3108         rte_errno = ENOTSUP;
3109         return NULL;
3110 #endif
3111         /* check input parameters */
3112         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3113                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3114                 rte_errno = EINVAL;
3115                 return NULL;
3116         }
3117
3118         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3119
3120         if (cb == NULL) {
3121                 rte_errno = ENOMEM;
3122                 return NULL;
3123         }
3124
3125         cb->fn.tx = fn;
3126         cb->param = user_param;
3127
3128         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3129         /* Add the callbacks in fifo order. */
3130         struct rte_eth_rxtx_callback *tail =
3131                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3132
3133         if (!tail) {
3134                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3135
3136         } else {
3137                 while (tail->next)
3138                         tail = tail->next;
3139                 tail->next = cb;
3140         }
3141         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3142
3143         return cb;
3144 }
3145
3146 int
3147 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3148                 struct rte_eth_rxtx_callback *user_cb)
3149 {
3150 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3151         return -ENOTSUP;
3152 #endif
3153         /* Check input parameters. */
3154         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3155         if (user_cb == NULL ||
3156                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3157                 return -EINVAL;
3158
3159         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3160         struct rte_eth_rxtx_callback *cb;
3161         struct rte_eth_rxtx_callback **prev_cb;
3162         int ret = -EINVAL;
3163
3164         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3165         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3166         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3167                 cb = *prev_cb;
3168                 if (cb == user_cb) {
3169                         /* Remove the user cb from the callback list. */
3170                         *prev_cb = cb->next;
3171                         ret = 0;
3172                         break;
3173                 }
3174         }
3175         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3176
3177         return ret;
3178 }
3179
3180 int
3181 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3182                 struct rte_eth_rxtx_callback *user_cb)
3183 {
3184 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3185         return -ENOTSUP;
3186 #endif
3187         /* Check input parameters. */
3188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3189         if (user_cb == NULL ||
3190                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3191                 return -EINVAL;
3192
3193         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3194         int ret = -EINVAL;
3195         struct rte_eth_rxtx_callback *cb;
3196         struct rte_eth_rxtx_callback **prev_cb;
3197
3198         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3199         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3200         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3201                 cb = *prev_cb;
3202                 if (cb == user_cb) {
3203                         /* Remove the user cb from the callback list. */
3204                         *prev_cb = cb->next;
3205                         ret = 0;
3206                         break;
3207                 }
3208         }
3209         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3210
3211         return ret;
3212 }
3213
3214 int
3215 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3216         struct rte_eth_rxq_info *qinfo)
3217 {
3218         struct rte_eth_dev *dev;
3219
3220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3221
3222         if (qinfo == NULL)
3223                 return -EINVAL;
3224
3225         dev = &rte_eth_devices[port_id];
3226         if (queue_id >= dev->data->nb_rx_queues) {
3227                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3228                 return -EINVAL;
3229         }
3230
3231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3232
3233         memset(qinfo, 0, sizeof(*qinfo));
3234         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3235         return 0;
3236 }
3237
3238 int
3239 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3240         struct rte_eth_txq_info *qinfo)
3241 {
3242         struct rte_eth_dev *dev;
3243
3244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3245
3246         if (qinfo == NULL)
3247                 return -EINVAL;
3248
3249         dev = &rte_eth_devices[port_id];
3250         if (queue_id >= dev->data->nb_tx_queues) {
3251                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3252                 return -EINVAL;
3253         }
3254
3255         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3256
3257         memset(qinfo, 0, sizeof(*qinfo));
3258         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3259         return 0;
3260 }
3261
3262 int
3263 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3264                              struct ether_addr *mc_addr_set,
3265                              uint32_t nb_mc_addr)
3266 {
3267         struct rte_eth_dev *dev;
3268
3269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3270
3271         dev = &rte_eth_devices[port_id];
3272         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3273         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3274 }
3275
3276 int
3277 rte_eth_timesync_enable(uint16_t port_id)
3278 {
3279         struct rte_eth_dev *dev;
3280
3281         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3282         dev = &rte_eth_devices[port_id];
3283
3284         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3285         return (*dev->dev_ops->timesync_enable)(dev);
3286 }
3287
3288 int
3289 rte_eth_timesync_disable(uint16_t port_id)
3290 {
3291         struct rte_eth_dev *dev;
3292
3293         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3294         dev = &rte_eth_devices[port_id];
3295
3296         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3297         return (*dev->dev_ops->timesync_disable)(dev);
3298 }
3299
3300 int
3301 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3302                                    uint32_t flags)
3303 {
3304         struct rte_eth_dev *dev;
3305
3306         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3307         dev = &rte_eth_devices[port_id];
3308
3309         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3310         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3311 }
3312
3313 int
3314 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3315                                    struct timespec *timestamp)
3316 {
3317         struct rte_eth_dev *dev;
3318
3319         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3320         dev = &rte_eth_devices[port_id];
3321
3322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3323         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3324 }
3325
3326 int
3327 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3328 {
3329         struct rte_eth_dev *dev;
3330
3331         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3332         dev = &rte_eth_devices[port_id];
3333
3334         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3335         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3336 }
3337
3338 int
3339 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
3340 {
3341         struct rte_eth_dev *dev;
3342
3343         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3344         dev = &rte_eth_devices[port_id];
3345
3346         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3347         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3348 }
3349
3350 int
3351 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
3352 {
3353         struct rte_eth_dev *dev;
3354
3355         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3356         dev = &rte_eth_devices[port_id];
3357
3358         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3359         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3360 }
3361
3362 int
3363 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
3364 {
3365         struct rte_eth_dev *dev;
3366
3367         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3368
3369         dev = &rte_eth_devices[port_id];
3370         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3371         return (*dev->dev_ops->get_reg)(dev, info);
3372 }
3373
3374 int
3375 rte_eth_dev_get_eeprom_length(uint16_t port_id)
3376 {
3377         struct rte_eth_dev *dev;
3378
3379         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3380
3381         dev = &rte_eth_devices[port_id];
3382         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3383         return (*dev->dev_ops->get_eeprom_length)(dev);
3384 }
3385
3386 int
3387 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3388 {
3389         struct rte_eth_dev *dev;
3390
3391         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3392
3393         dev = &rte_eth_devices[port_id];
3394         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3395         return (*dev->dev_ops->get_eeprom)(dev, info);
3396 }
3397
3398 int
3399 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3400 {
3401         struct rte_eth_dev *dev;
3402
3403         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3404
3405         dev = &rte_eth_devices[port_id];
3406         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3407         return (*dev->dev_ops->set_eeprom)(dev, info);
3408 }
3409
3410 int
3411 rte_eth_dev_get_dcb_info(uint16_t port_id,
3412                              struct rte_eth_dcb_info *dcb_info)
3413 {
3414         struct rte_eth_dev *dev;
3415
3416         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3417
3418         dev = &rte_eth_devices[port_id];
3419         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3420
3421         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3422         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3423 }
3424
3425 int
3426 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
3427                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3428 {
3429         struct rte_eth_dev *dev;
3430
3431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3432         if (l2_tunnel == NULL) {
3433                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3434                 return -EINVAL;
3435         }
3436
3437         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3438                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3439                 return -EINVAL;
3440         }
3441
3442         dev = &rte_eth_devices[port_id];
3443         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3444                                 -ENOTSUP);
3445         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3446 }
3447
3448 int
3449 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
3450                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3451                                   uint32_t mask,
3452                                   uint8_t en)
3453 {
3454         struct rte_eth_dev *dev;
3455
3456         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3457
3458         if (l2_tunnel == NULL) {
3459                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3460                 return -EINVAL;
3461         }
3462
3463         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3464                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3465                 return -EINVAL;
3466         }
3467
3468         if (mask == 0) {
3469                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3470                 return -EINVAL;
3471         }
3472
3473         dev = &rte_eth_devices[port_id];
3474         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3475                                 -ENOTSUP);
3476         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3477 }
3478
3479 static void
3480 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
3481                            const struct rte_eth_desc_lim *desc_lim)
3482 {
3483         if (desc_lim->nb_align != 0)
3484                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
3485
3486         if (desc_lim->nb_max != 0)
3487                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
3488
3489         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
3490 }
3491
3492 int
3493 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
3494                                  uint16_t *nb_rx_desc,
3495                                  uint16_t *nb_tx_desc)
3496 {
3497         struct rte_eth_dev *dev;
3498         struct rte_eth_dev_info dev_info;
3499
3500         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3501
3502         dev = &rte_eth_devices[port_id];
3503         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3504
3505         rte_eth_dev_info_get(port_id, &dev_info);
3506
3507         if (nb_rx_desc != NULL)
3508                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
3509
3510         if (nb_tx_desc != NULL)
3511                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
3512
3513         return 0;
3514 }
3515
3516 int
3517 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
3518 {
3519         struct rte_eth_dev *dev;
3520
3521         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3522
3523         if (pool == NULL)
3524                 return -EINVAL;
3525
3526         dev = &rte_eth_devices[port_id];
3527
3528         if (*dev->dev_ops->pool_ops_supported == NULL)
3529                 return 1; /* all pools are supported */
3530
3531         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
3532 }