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