lib/librte_ether/rte_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/queue.h>
  36 #include <ctype.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #include <errno.h>
  42 #include <stdint.h>
  43 #include <inttypes.h>
  44 #include <netinet/in.h>
  45
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_interrupts.h>
  50 #include <rte_pci.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_launch.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_common.h>
  61 #include <rte_mempool.h>
  62 #include <rte_malloc.h>
  63 #include <rte_mbuf.h>
  64 #include <rte_errno.h>
  65 #include <rte_spinlock.h>
  66 #include <rte_string_fns.h>
  67
  68 #include "rte_ether.h"
  69 #include "rte_ethdev.h"
  70
  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 static uint8_t nb_ports;
  76
  77 /* spinlock for eth device callbacks */
  78 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  79
  80 /* spinlock for add/remove rx callbacks */
  81 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  82
  83 /* spinlock for add/remove tx callbacks */
  84 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  85
  86 /* store statistics names and its offset in stats structure  */
  87 struct rte_eth_xstats_name_off {
  88         char name[RTE_ETH_XSTATS_NAME_SIZE];
  89         unsigned offset;
  90 };
  91
  92 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  93         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  94         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  95         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  96         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  97         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  98         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  99         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
 100                 rx_nombuf)},
 101 };
 102
 103 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
 104
 105 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 106         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
 107         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 108         {"errors", offsetof(struct rte_eth_stats, q_errors)},
 109 };
 110
 111 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 112                 sizeof(rte_rxq_stats_strings[0]))
 113
 114 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 115         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 116         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 117 };
 118 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 119                 sizeof(rte_txq_stats_strings[0]))
 120
 121
 122 /**
 123  * The user application callback description.
 124  *
 125  * It contains callback address to be registered by user application,
 126  * the pointer to the parameters for callback, and the event type.
 127  */
 128 struct rte_eth_dev_callback {
 129         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 130         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 131         void *cb_arg;                           /**< Parameter for callback */
 132         enum rte_eth_event_type event;          /**< Interrupt event type */
 133         uint32_t active;                        /**< Callback is executing */
 134 };
 135
 136 enum {
 137         STAT_QMAP_TX = 0,
 138         STAT_QMAP_RX
 139 };
 140
 141 uint8_t
 142 rte_eth_find_next(uint8_t port_id)
 143 {
 144         while (port_id < RTE_MAX_ETHPORTS &&
 145                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED)
 146                 port_id++;
 147
 148         if (port_id >= RTE_MAX_ETHPORTS)
 149                 return RTE_MAX_ETHPORTS;
 150
 151         return port_id;
 152 }
 153
 154 static void
 155 rte_eth_dev_data_alloc(void)
 156 {
 157         const unsigned flags = 0;
 158         const struct rte_memzone *mz;
 159
 160         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 161                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 162                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
 163                                 rte_socket_id(), flags);
 164         } else
 165                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 166         if (mz == NULL)
 167                 rte_panic("Cannot allocate memzone for ethernet port data\n");
 168
 169         rte_eth_dev_data = mz->addr;
 170         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 171                 memset(rte_eth_dev_data, 0,
 172                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
 173 }
 174
 175 struct rte_eth_dev *
 176 rte_eth_dev_allocated(const char *name)
 177 {
 178         unsigned i;
 179
 180         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 181                 if ((rte_eth_devices[i].state == RTE_ETH_DEV_ATTACHED) &&
 182                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 183                         return &rte_eth_devices[i];
 184         }
 185         return NULL;
 186 }
 187
 188 static uint8_t
 189 rte_eth_dev_find_free_port(void)
 190 {
 191         unsigned i;
 192
 193         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 194                 if (rte_eth_devices[i].state == RTE_ETH_DEV_UNUSED)
 195                         return i;
 196         }
 197         return RTE_MAX_ETHPORTS;
 198 }
 199
 200 static struct rte_eth_dev *
 201 eth_dev_get(uint8_t port_id)
 202 {
 203         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 204
 205         eth_dev->data = &rte_eth_dev_data[port_id];
 206         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 207         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 208
 209         eth_dev_last_created_port = port_id;
 210         nb_ports++;
 211
 212         return eth_dev;
 213 }
 214
 215 struct rte_eth_dev *
 216 rte_eth_dev_allocate(const char *name)
 217 {
 218         uint8_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         uint8_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         nb_ports--;
 284         return 0;
 285 }
 286
 287 int
 288 rte_eth_dev_is_valid_port(uint8_t port_id)
 289 {
 290         if (port_id >= RTE_MAX_ETHPORTS ||
 291             rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED)
 292                 return 0;
 293         else
 294                 return 1;
 295 }
 296
 297 int
 298 rte_eth_dev_socket_id(uint8_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 uint8_t
 305 rte_eth_dev_count(void)
 306 {
 307         return nb_ports;
 308 }
 309
 310 int
 311 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 312 {
 313         char *tmp;
 314
 315         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 316
 317         if (name == NULL) {
 318                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 319                 return -EINVAL;
 320         }
 321
 322         /* shouldn't check 'rte_eth_devices[i].data',
 323          * because it might be overwritten by VDEV PMD */
 324         tmp = rte_eth_dev_data[port_id].name;
 325         strcpy(name, tmp);
 326         return 0;
 327 }
 328
 329 int
 330 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 331 {
 332         int i;
 333
 334         if (name == NULL) {
 335                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 336                 return -EINVAL;
 337         }
 338
 339         if (!nb_ports)
 340                 return -ENODEV;
 341
 342         *port_id = RTE_MAX_ETHPORTS;
 343         RTE_ETH_FOREACH_DEV(i) {
 344                 if (!strncmp(name,
 345                         rte_eth_dev_data[i].name, strlen(name))) {
 346
 347                         *port_id = i;
 348
 349                         return 0;
 350                 }
 351         }
 352         return -ENODEV;
 353 }
 354
 355 static int
 356 rte_eth_dev_is_detachable(uint8_t port_id)
 357 {
 358         uint32_t dev_flags;
 359
 360         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 361
 362         switch (rte_eth_devices[port_id].data->kdrv) {
 363         case RTE_KDRV_IGB_UIO:
 364         case RTE_KDRV_UIO_GENERIC:
 365         case RTE_KDRV_NIC_UIO:
 366         case RTE_KDRV_NONE:
 367         case RTE_KDRV_VFIO:
 368                 break;
 369         default:
 370                 return -ENOTSUP;
 371         }
 372         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 373         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 374                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 375                 return 0;
 376         else
 377                 return 1;
 378 }
 379
 380 /* attach the new device, then store port_id of the device */
 381 int
 382 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 383 {
 384         int ret = -1;
 385         int current = rte_eth_dev_count();
 386         char *name = NULL;
 387         char *args = NULL;
 388
 389         if ((devargs == NULL) || (port_id == NULL)) {
 390                 ret = -EINVAL;
 391                 goto err;
 392         }
 393
 394         /* parse devargs, then retrieve device name and args */
 395         if (rte_eal_parse_devargs_str(devargs, &name, &args))
 396                 goto err;
 397
 398         ret = rte_eal_dev_attach(name, args);
 399         if (ret < 0)
 400                 goto err;
 401
 402         /* no point looking at the port count if no port exists */
 403         if (!rte_eth_dev_count()) {
 404                 RTE_LOG(ERR, EAL, "No port found for device (%s)\n", name);
 405                 ret = -1;
 406                 goto err;
 407         }
 408
 409         /* if nothing happened, there is a bug here, since some driver told us
 410          * it did attach a device, but did not create a port.
 411          */
 412         if (current == rte_eth_dev_count()) {
 413                 ret = -1;
 414                 goto err;
 415         }
 416
 417         *port_id = eth_dev_last_created_port;
 418         ret = 0;
 419
 420 err:
 421         free(name);
 422         free(args);
 423         return ret;
 424 }
 425
 426 /* detach the device, then store the name of the device */
 427 int
 428 rte_eth_dev_detach(uint8_t port_id, char *name)
 429 {
 430         int ret = -1;
 431
 432         if (name == NULL) {
 433                 ret = -EINVAL;
 434                 goto err;
 435         }
 436
 437         /* FIXME: move this to eal, once device flags are relocated there */
 438         if (rte_eth_dev_is_detachable(port_id))
 439                 goto err;
 440
 441         snprintf(name, sizeof(rte_eth_devices[port_id].data->name),
 442                  "%s", rte_eth_devices[port_id].data->name);
 443         ret = rte_eal_dev_detach(name);
 444         if (ret < 0)
 445                 goto err;
 446
 447         return 0;
 448
 449 err:
 450         return ret;
 451 }
 452
 453 static int
 454 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 455 {
 456         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 457         void **rxq;
 458         unsigned i;
 459
 460         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 461                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 462                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 463                                 RTE_CACHE_LINE_SIZE);
 464                 if (dev->data->rx_queues == NULL) {
 465                         dev->data->nb_rx_queues = 0;
 466                         return -(ENOMEM);
 467                 }
 468         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 469                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 470
 471                 rxq = dev->data->rx_queues;
 472
 473                 for (i = nb_queues; i < old_nb_queues; i++)
 474                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 475                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 476                                 RTE_CACHE_LINE_SIZE);
 477                 if (rxq == NULL)
 478                         return -(ENOMEM);
 479                 if (nb_queues > old_nb_queues) {
 480                         uint16_t new_qs = nb_queues - old_nb_queues;
 481
 482                         memset(rxq + old_nb_queues, 0,
 483                                 sizeof(rxq[0]) * new_qs);
 484                 }
 485
 486                 dev->data->rx_queues = rxq;
 487
 488         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 489                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 490
 491                 rxq = dev->data->rx_queues;
 492
 493                 for (i = nb_queues; i < old_nb_queues; i++)
 494                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 495
 496                 rte_free(dev->data->rx_queues);
 497                 dev->data->rx_queues = NULL;
 498         }
 499         dev->data->nb_rx_queues = nb_queues;
 500         return 0;
 501 }
 502
 503 int
 504 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
 505 {
 506         struct rte_eth_dev *dev;
 507
 508         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 509
 510         dev = &rte_eth_devices[port_id];
 511         if (rx_queue_id >= dev->data->nb_rx_queues) {
 512                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 513                 return -EINVAL;
 514         }
 515
 516         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 517
 518         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 519                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 520                         " already started\n",
 521                         rx_queue_id, port_id);
 522                 return 0;
 523         }
 524
 525         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 526
 527 }
 528
 529 int
 530 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
 531 {
 532         struct rte_eth_dev *dev;
 533
 534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 535
 536         dev = &rte_eth_devices[port_id];
 537         if (rx_queue_id >= dev->data->nb_rx_queues) {
 538                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 539                 return -EINVAL;
 540         }
 541
 542         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 543
 544         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 545                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 546                         " already stopped\n",
 547                         rx_queue_id, port_id);
 548                 return 0;
 549         }
 550
 551         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 552
 553 }
 554
 555 int
 556 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
 557 {
 558         struct rte_eth_dev *dev;
 559
 560         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 561
 562         dev = &rte_eth_devices[port_id];
 563         if (tx_queue_id >= dev->data->nb_tx_queues) {
 564                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 565                 return -EINVAL;
 566         }
 567
 568         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 569
 570         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 571                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 572                         " already started\n",
 573                         tx_queue_id, port_id);
 574                 return 0;
 575         }
 576
 577         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 578
 579 }
 580
 581 int
 582 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
 583 {
 584         struct rte_eth_dev *dev;
 585
 586         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 587
 588         dev = &rte_eth_devices[port_id];
 589         if (tx_queue_id >= dev->data->nb_tx_queues) {
 590                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 591                 return -EINVAL;
 592         }
 593
 594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 595
 596         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 597                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 598                         " already stopped\n",
 599                         tx_queue_id, port_id);
 600                 return 0;
 601         }
 602
 603         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 604
 605 }
 606
 607 static int
 608 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 609 {
 610         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 611         void **txq;
 612         unsigned i;
 613
 614         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 615                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 616                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 617                                                    RTE_CACHE_LINE_SIZE);
 618                 if (dev->data->tx_queues == NULL) {
 619                         dev->data->nb_tx_queues = 0;
 620                         return -(ENOMEM);
 621                 }
 622         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 623                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 624
 625                 txq = dev->data->tx_queues;
 626
 627                 for (i = nb_queues; i < old_nb_queues; i++)
 628                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 629                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 630                                   RTE_CACHE_LINE_SIZE);
 631                 if (txq == NULL)
 632                         return -ENOMEM;
 633                 if (nb_queues > old_nb_queues) {
 634                         uint16_t new_qs = nb_queues - old_nb_queues;
 635
 636                         memset(txq + old_nb_queues, 0,
 637                                sizeof(txq[0]) * new_qs);
 638                 }
 639
 640                 dev->data->tx_queues = txq;
 641
 642         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 643                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 644
 645                 txq = dev->data->tx_queues;
 646
 647                 for (i = nb_queues; i < old_nb_queues; i++)
 648                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 649
 650                 rte_free(dev->data->tx_queues);
 651                 dev->data->tx_queues = NULL;
 652         }
 653         dev->data->nb_tx_queues = nb_queues;
 654         return 0;
 655 }
 656
 657 uint32_t
 658 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 659 {
 660         switch (speed) {
 661         case ETH_SPEED_NUM_10M:
 662                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 663         case ETH_SPEED_NUM_100M:
 664                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 665         case ETH_SPEED_NUM_1G:
 666                 return ETH_LINK_SPEED_1G;
 667         case ETH_SPEED_NUM_2_5G:
 668                 return ETH_LINK_SPEED_2_5G;
 669         case ETH_SPEED_NUM_5G:
 670                 return ETH_LINK_SPEED_5G;
 671         case ETH_SPEED_NUM_10G:
 672                 return ETH_LINK_SPEED_10G;
 673         case ETH_SPEED_NUM_20G:
 674                 return ETH_LINK_SPEED_20G;
 675         case ETH_SPEED_NUM_25G:
 676                 return ETH_LINK_SPEED_25G;
 677         case ETH_SPEED_NUM_40G:
 678                 return ETH_LINK_SPEED_40G;
 679         case ETH_SPEED_NUM_50G:
 680                 return ETH_LINK_SPEED_50G;
 681         case ETH_SPEED_NUM_56G:
 682                 return ETH_LINK_SPEED_56G;
 683         case ETH_SPEED_NUM_100G:
 684                 return ETH_LINK_SPEED_100G;
 685         default:
 686                 return 0;
 687         }
 688 }
 689
 690 int
 691 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 692                       const struct rte_eth_conf *dev_conf)
 693 {
 694         struct rte_eth_dev *dev;
 695         struct rte_eth_dev_info dev_info;
 696         int diag;
 697
 698         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 699
 700         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 701                 RTE_PMD_DEBUG_TRACE(
 702                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 703                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 704                 return -EINVAL;
 705         }
 706
 707         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 708                 RTE_PMD_DEBUG_TRACE(
 709                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 710                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 711                 return -EINVAL;
 712         }
 713
 714         dev = &rte_eth_devices[port_id];
 715
 716         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 717         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 718
 719         if (dev->data->dev_started) {
 720                 RTE_PMD_DEBUG_TRACE(
 721                     "port %d must be stopped to allow configuration\n", port_id);
 722                 return -EBUSY;
 723         }
 724
 725         /* Copy the dev_conf parameter into the dev structure */
 726         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
 727
 728         /*
 729          * Check that the numbers of RX and TX queues are not greater
 730          * than the maximum number of RX and TX queues supported by the
 731          * configured device.
 732          */
 733         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 734
 735         if (nb_rx_q == 0 && nb_tx_q == 0) {
 736                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 737                 return -EINVAL;
 738         }
 739
 740         if (nb_rx_q > dev_info.max_rx_queues) {
 741                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 742                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 743                 return -EINVAL;
 744         }
 745
 746         if (nb_tx_q > dev_info.max_tx_queues) {
 747                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 748                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 749                 return -EINVAL;
 750         }
 751
 752         /*
 753          * If link state interrupt is enabled, check that the
 754          * device supports it.
 755          */
 756         if ((dev_conf->intr_conf.lsc == 1) &&
 757                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 758                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 759                                         dev->data->drv_name);
 760                         return -EINVAL;
 761         }
 762
 763         /*
 764          * If jumbo frames are enabled, check that the maximum RX packet
 765          * length is supported by the configured device.
 766          */
 767         if (dev_conf->rxmode.jumbo_frame == 1) {
 768                 if (dev_conf->rxmode.max_rx_pkt_len >
 769                     dev_info.max_rx_pktlen) {
 770                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 771                                 " > max valid value %u\n",
 772                                 port_id,
 773                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 774                                 (unsigned)dev_info.max_rx_pktlen);
 775                         return -EINVAL;
 776                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 777                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 778                                 " < min valid value %u\n",
 779                                 port_id,
 780                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 781                                 (unsigned)ETHER_MIN_LEN);
 782                         return -EINVAL;
 783                 }
 784         } else {
 785                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 786                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 787                         /* Use default value */
 788                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 789                                                         ETHER_MAX_LEN;
 790         }
 791
 792         /*
 793          * Setup new number of RX/TX queues and reconfigure device.
 794          */
 795         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
 796         if (diag != 0) {
 797                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
 798                                 port_id, diag);
 799                 return diag;
 800         }
 801
 802         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
 803         if (diag != 0) {
 804                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
 805                                 port_id, diag);
 806                 rte_eth_dev_rx_queue_config(dev, 0);
 807                 return diag;
 808         }
 809
 810         diag = (*dev->dev_ops->dev_configure)(dev);
 811         if (diag != 0) {
 812                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
 813                                 port_id, diag);
 814                 rte_eth_dev_rx_queue_config(dev, 0);
 815                 rte_eth_dev_tx_queue_config(dev, 0);
 816                 return diag;
 817         }
 818
 819         return 0;
 820 }
 821
 822 void
 823 _rte_eth_dev_reset(struct rte_eth_dev *dev)
 824 {
 825         if (dev->data->dev_started) {
 826                 RTE_PMD_DEBUG_TRACE(
 827                         "port %d must be stopped to allow reset\n",
 828                         dev->data->port_id);
 829                 return;
 830         }
 831
 832         rte_eth_dev_rx_queue_config(dev, 0);
 833         rte_eth_dev_tx_queue_config(dev, 0);
 834
 835         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
 836 }
 837
 838 static void
 839 rte_eth_dev_config_restore(uint8_t port_id)
 840 {
 841         struct rte_eth_dev *dev;
 842         struct rte_eth_dev_info dev_info;
 843         struct ether_addr *addr;
 844         uint16_t i;
 845         uint32_t pool = 0;
 846         uint64_t pool_mask;
 847
 848         dev = &rte_eth_devices[port_id];
 849
 850         rte_eth_dev_info_get(port_id, &dev_info);
 851
 852         /* replay MAC address configuration including default MAC */
 853         addr = &dev->data->mac_addrs[0];
 854         if (*dev->dev_ops->mac_addr_set != NULL)
 855                 (*dev->dev_ops->mac_addr_set)(dev, addr);
 856         else if (*dev->dev_ops->mac_addr_add != NULL)
 857                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
 858
 859         if (*dev->dev_ops->mac_addr_add != NULL) {
 860                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
 861                         addr = &dev->data->mac_addrs[i];
 862
 863                         /* skip zero address */
 864                         if (is_zero_ether_addr(addr))
 865                                 continue;
 866
 867                         pool = 0;
 868                         pool_mask = dev->data->mac_pool_sel[i];
 869
 870                         do {
 871                                 if (pool_mask & 1ULL)
 872                                         (*dev->dev_ops->mac_addr_add)(dev,
 873                                                 addr, i, pool);
 874                                 pool_mask >>= 1;
 875                                 pool++;
 876                         } while (pool_mask);
 877                 }
 878         }
 879
 880         /* replay promiscuous configuration */
 881         if (rte_eth_promiscuous_get(port_id) == 1)
 882                 rte_eth_promiscuous_enable(port_id);
 883         else if (rte_eth_promiscuous_get(port_id) == 0)
 884                 rte_eth_promiscuous_disable(port_id);
 885
 886         /* replay all multicast configuration */
 887         if (rte_eth_allmulticast_get(port_id) == 1)
 888                 rte_eth_allmulticast_enable(port_id);
 889         else if (rte_eth_allmulticast_get(port_id) == 0)
 890                 rte_eth_allmulticast_disable(port_id);
 891 }
 892
 893 int
 894 rte_eth_dev_start(uint8_t port_id)
 895 {
 896         struct rte_eth_dev *dev;
 897         int diag;
 898
 899         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 900
 901         dev = &rte_eth_devices[port_id];
 902
 903         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 904
 905         if (dev->data->dev_started != 0) {
 906                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
 907                         " already started\n",
 908                         port_id);
 909                 return 0;
 910         }
 911
 912         diag = (*dev->dev_ops->dev_start)(dev);
 913         if (diag == 0)
 914                 dev->data->dev_started = 1;
 915         else
 916                 return diag;
 917
 918         rte_eth_dev_config_restore(port_id);
 919
 920         if (dev->data->dev_conf.intr_conf.lsc == 0) {
 921                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
 922                 (*dev->dev_ops->link_update)(dev, 0);
 923         }
 924         return 0;
 925 }
 926
 927 void
 928 rte_eth_dev_stop(uint8_t port_id)
 929 {
 930         struct rte_eth_dev *dev;
 931
 932         RTE_ETH_VALID_PORTID_OR_RET(port_id);
 933         dev = &rte_eth_devices[port_id];
 934
 935         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 936
 937         if (dev->data->dev_started == 0) {
 938                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
 939                         " already stopped\n",
 940                         port_id);
 941                 return;
 942         }
 943
 944         dev->data->dev_started = 0;
 945         (*dev->dev_ops->dev_stop)(dev);
 946 }
 947
 948 int
 949 rte_eth_dev_set_link_up(uint8_t port_id)
 950 {
 951         struct rte_eth_dev *dev;
 952
 953         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 954
 955         dev = &rte_eth_devices[port_id];
 956
 957         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
 958         return (*dev->dev_ops->dev_set_link_up)(dev);
 959 }
 960
 961 int
 962 rte_eth_dev_set_link_down(uint8_t port_id)
 963 {
 964         struct rte_eth_dev *dev;
 965
 966         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 967
 968         dev = &rte_eth_devices[port_id];
 969
 970         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
 971         return (*dev->dev_ops->dev_set_link_down)(dev);
 972 }
 973
 974 void
 975 rte_eth_dev_close(uint8_t port_id)
 976 {
 977         struct rte_eth_dev *dev;
 978
 979         RTE_ETH_VALID_PORTID_OR_RET(port_id);
 980         dev = &rte_eth_devices[port_id];
 981
 982         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
 983         dev->data->dev_started = 0;
 984         (*dev->dev_ops->dev_close)(dev);
 985
 986         rte_free(dev->data->rx_queues);
 987         dev->data->rx_queues = NULL;
 988         rte_free(dev->data->tx_queues);
 989         dev->data->tx_queues = NULL;
 990 }
 991
 992 int
 993 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
 994                        uint16_t nb_rx_desc, unsigned int socket_id,
 995                        const struct rte_eth_rxconf *rx_conf,
 996                        struct rte_mempool *mp)
 997 {
 998         int ret;
 999         uint32_t mbp_buf_size;
1000         struct rte_eth_dev *dev;
1001         struct rte_eth_dev_info dev_info;
1002         void **rxq;
1003
1004         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1005
1006         dev = &rte_eth_devices[port_id];
1007         if (rx_queue_id >= dev->data->nb_rx_queues) {
1008                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1009                 return -EINVAL;
1010         }
1011
1012         if (dev->data->dev_started) {
1013                 RTE_PMD_DEBUG_TRACE(
1014                     "port %d must be stopped to allow configuration\n", port_id);
1015                 return -EBUSY;
1016         }
1017
1018         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1019         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1020
1021         /*
1022          * Check the size of the mbuf data buffer.
1023          * This value must be provided in the private data of the memory pool.
1024          * First check that the memory pool has a valid private data.
1025          */
1026         rte_eth_dev_info_get(port_id, &dev_info);
1027         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1028                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1029                                 mp->name, (int) mp->private_data_size,
1030                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1031                 return -ENOSPC;
1032         }
1033         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1034
1035         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1036                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1037                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1038                                 "=%d)\n",
1039                                 mp->name,
1040                                 (int)mbp_buf_size,
1041                                 (int)(RTE_PKTMBUF_HEADROOM +
1042                                       dev_info.min_rx_bufsize),
1043                                 (int)RTE_PKTMBUF_HEADROOM,
1044                                 (int)dev_info.min_rx_bufsize);
1045                 return -EINVAL;
1046         }
1047
1048         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1049                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1050                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1051
1052                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1053                         "should be: <= %hu, = %hu, and a product of %hu\n",
1054                         nb_rx_desc,
1055                         dev_info.rx_desc_lim.nb_max,
1056                         dev_info.rx_desc_lim.nb_min,
1057                         dev_info.rx_desc_lim.nb_align);
1058                 return -EINVAL;
1059         }
1060
1061         rxq = dev->data->rx_queues;
1062         if (rxq[rx_queue_id]) {
1063                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1064                                         -ENOTSUP);
1065                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1066                 rxq[rx_queue_id] = NULL;
1067         }
1068
1069         if (rx_conf == NULL)
1070                 rx_conf = &dev_info.default_rxconf;
1071
1072         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1073                                               socket_id, rx_conf, mp);
1074         if (!ret) {
1075                 if (!dev->data->min_rx_buf_size ||
1076                     dev->data->min_rx_buf_size > mbp_buf_size)
1077                         dev->data->min_rx_buf_size = mbp_buf_size;
1078         }
1079
1080         return ret;
1081 }
1082
1083 int
1084 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1085                        uint16_t nb_tx_desc, unsigned int socket_id,
1086                        const struct rte_eth_txconf *tx_conf)
1087 {
1088         struct rte_eth_dev *dev;
1089         struct rte_eth_dev_info dev_info;
1090         void **txq;
1091
1092         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1093
1094         dev = &rte_eth_devices[port_id];
1095         if (tx_queue_id >= dev->data->nb_tx_queues) {
1096                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1097                 return -EINVAL;
1098         }
1099
1100         if (dev->data->dev_started) {
1101                 RTE_PMD_DEBUG_TRACE(
1102                     "port %d must be stopped to allow configuration\n", port_id);
1103                 return -EBUSY;
1104         }
1105
1106         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1107         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1108
1109         rte_eth_dev_info_get(port_id, &dev_info);
1110
1111         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1112             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1113             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1114                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1115                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1116                                 nb_tx_desc,
1117                                 dev_info.tx_desc_lim.nb_max,
1118                                 dev_info.tx_desc_lim.nb_min,
1119                                 dev_info.tx_desc_lim.nb_align);
1120                 return -EINVAL;
1121         }
1122
1123         txq = dev->data->tx_queues;
1124         if (txq[tx_queue_id]) {
1125                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1126                                         -ENOTSUP);
1127                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1128                 txq[tx_queue_id] = NULL;
1129         }
1130
1131         if (tx_conf == NULL)
1132                 tx_conf = &dev_info.default_txconf;
1133
1134         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1135                                                socket_id, tx_conf);
1136 }
1137
1138 void
1139 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1140                 void *userdata __rte_unused)
1141 {
1142         unsigned i;
1143
1144         for (i = 0; i < unsent; i++)
1145                 rte_pktmbuf_free(pkts[i]);
1146 }
1147
1148 void
1149 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1150                 void *userdata)
1151 {
1152         uint64_t *count = userdata;
1153         unsigned i;
1154
1155         for (i = 0; i < unsent; i++)
1156                 rte_pktmbuf_free(pkts[i]);
1157
1158         *count += unsent;
1159 }
1160
1161 int
1162 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1163                 buffer_tx_error_fn cbfn, void *userdata)
1164 {
1165         buffer->error_callback = cbfn;
1166         buffer->error_userdata = userdata;
1167         return 0;
1168 }
1169
1170 int
1171 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1172 {
1173         int ret = 0;
1174
1175         if (buffer == NULL)
1176                 return -EINVAL;
1177
1178         buffer->size = size;
1179         if (buffer->error_callback == NULL) {
1180                 ret = rte_eth_tx_buffer_set_err_callback(
1181                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1182         }
1183
1184         return ret;
1185 }
1186
1187 int
1188 rte_eth_tx_done_cleanup(uint8_t port_id, uint16_t queue_id, uint32_t free_cnt)
1189 {
1190         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1191
1192         /* Validate Input Data. Bail if not valid or not supported. */
1193         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1194         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1195
1196         /* Call driver to free pending mbufs. */
1197         return (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1198                         free_cnt);
1199 }
1200
1201 void
1202 rte_eth_promiscuous_enable(uint8_t port_id)
1203 {
1204         struct rte_eth_dev *dev;
1205
1206         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1207         dev = &rte_eth_devices[port_id];
1208
1209         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1210         (*dev->dev_ops->promiscuous_enable)(dev);
1211         dev->data->promiscuous = 1;
1212 }
1213
1214 void
1215 rte_eth_promiscuous_disable(uint8_t port_id)
1216 {
1217         struct rte_eth_dev *dev;
1218
1219         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1220         dev = &rte_eth_devices[port_id];
1221
1222         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1223         dev->data->promiscuous = 0;
1224         (*dev->dev_ops->promiscuous_disable)(dev);
1225 }
1226
1227 int
1228 rte_eth_promiscuous_get(uint8_t port_id)
1229 {
1230         struct rte_eth_dev *dev;
1231
1232         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1233
1234         dev = &rte_eth_devices[port_id];
1235         return dev->data->promiscuous;
1236 }
1237
1238 void
1239 rte_eth_allmulticast_enable(uint8_t port_id)
1240 {
1241         struct rte_eth_dev *dev;
1242
1243         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1244         dev = &rte_eth_devices[port_id];
1245
1246         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1247         (*dev->dev_ops->allmulticast_enable)(dev);
1248         dev->data->all_multicast = 1;
1249 }
1250
1251 void
1252 rte_eth_allmulticast_disable(uint8_t port_id)
1253 {
1254         struct rte_eth_dev *dev;
1255
1256         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1257         dev = &rte_eth_devices[port_id];
1258
1259         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1260         dev->data->all_multicast = 0;
1261         (*dev->dev_ops->allmulticast_disable)(dev);
1262 }
1263
1264 int
1265 rte_eth_allmulticast_get(uint8_t port_id)
1266 {
1267         struct rte_eth_dev *dev;
1268
1269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1270
1271         dev = &rte_eth_devices[port_id];
1272         return dev->data->all_multicast;
1273 }
1274
1275 static inline int
1276 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1277                                 struct rte_eth_link *link)
1278 {
1279         struct rte_eth_link *dst = link;
1280         struct rte_eth_link *src = &(dev->data->dev_link);
1281
1282         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1283                                         *(uint64_t *)src) == 0)
1284                 return -1;
1285
1286         return 0;
1287 }
1288
1289 void
1290 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1291 {
1292         struct rte_eth_dev *dev;
1293
1294         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1295         dev = &rte_eth_devices[port_id];
1296
1297         if (dev->data->dev_conf.intr_conf.lsc != 0)
1298                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1299         else {
1300                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1301                 (*dev->dev_ops->link_update)(dev, 1);
1302                 *eth_link = dev->data->dev_link;
1303         }
1304 }
1305
1306 void
1307 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1308 {
1309         struct rte_eth_dev *dev;
1310
1311         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1312         dev = &rte_eth_devices[port_id];
1313
1314         if (dev->data->dev_conf.intr_conf.lsc != 0)
1315                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1316         else {
1317                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1318                 (*dev->dev_ops->link_update)(dev, 0);
1319                 *eth_link = dev->data->dev_link;
1320         }
1321 }
1322
1323 int
1324 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1325 {
1326         struct rte_eth_dev *dev;
1327
1328         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1329
1330         dev = &rte_eth_devices[port_id];
1331         memset(stats, 0, sizeof(*stats));
1332
1333         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1334         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1335         (*dev->dev_ops->stats_get)(dev, stats);
1336         return 0;
1337 }
1338
1339 void
1340 rte_eth_stats_reset(uint8_t port_id)
1341 {
1342         struct rte_eth_dev *dev;
1343
1344         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1345         dev = &rte_eth_devices[port_id];
1346
1347         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1348         (*dev->dev_ops->stats_reset)(dev);
1349         dev->data->rx_mbuf_alloc_failed = 0;
1350 }
1351
1352 static int
1353 get_xstats_count(uint8_t port_id)
1354 {
1355         struct rte_eth_dev *dev;
1356         int count;
1357
1358         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1359         dev = &rte_eth_devices[port_id];
1360         if (dev->dev_ops->xstats_get_names_by_ids != NULL) {
1361                 count = (*dev->dev_ops->xstats_get_names_by_ids)(dev, NULL,
1362                                 NULL, 0);
1363                 if (count < 0)
1364                         return count;
1365         }
1366         if (dev->dev_ops->xstats_get_names != NULL) {
1367                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1368                 if (count < 0)
1369                         return count;
1370         } else
1371                 count = 0;
1372
1373         count += RTE_NB_STATS;
1374         count += RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1375                  RTE_NB_RXQ_STATS;
1376         count += RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1377                  RTE_NB_TXQ_STATS;
1378         return count;
1379 }
1380
1381 int
1382 rte_eth_xstats_get_names_v1607(uint8_t port_id,
1383         struct rte_eth_xstat_name *xstats_names,
1384         unsigned int size)
1385 {
1386         return rte_eth_xstats_get_names(port_id, xstats_names, size, NULL);
1387 }
1388 VERSION_SYMBOL(rte_eth_xstats_get_names, _v1607, 16.07);
1389
1390 int
1391 rte_eth_xstats_get_names_v1705(uint8_t port_id,
1392         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1393         uint64_t *ids)
1394 {
1395         /* Get all xstats */
1396         if (!ids) {
1397                 struct rte_eth_dev *dev;
1398                 int cnt_used_entries;
1399                 int cnt_expected_entries;
1400                 int cnt_driver_entries;
1401                 uint32_t idx, id_queue;
1402                 uint16_t num_q;
1403
1404                 cnt_expected_entries = get_xstats_count(port_id);
1405                 if (xstats_names == NULL || cnt_expected_entries < 0 ||
1406                                 (int)size < cnt_expected_entries)
1407                         return cnt_expected_entries;
1408
1409                 /* port_id checked in get_xstats_count() */
1410                 dev = &rte_eth_devices[port_id];
1411                 cnt_used_entries = 0;
1412
1413                 for (idx = 0; idx < RTE_NB_STATS; idx++) {
1414                         snprintf(xstats_names[cnt_used_entries].name,
1415                                 sizeof(xstats_names[0].name),
1416                                 "%s", rte_stats_strings[idx].name);
1417                         cnt_used_entries++;
1418                 }
1419                 num_q = RTE_MIN(dev->data->nb_rx_queues,
1420                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1421                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1422                         for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1423                                 snprintf(xstats_names[cnt_used_entries].name,
1424                                         sizeof(xstats_names[0].name),
1425                                         "rx_q%u%s",
1426                                         id_queue,
1427                                         rte_rxq_stats_strings[idx].name);
1428                                 cnt_used_entries++;
1429                         }
1430
1431                 }
1432                 num_q = RTE_MIN(dev->data->nb_tx_queues,
1433                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1434                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1435                         for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1436                                 snprintf(xstats_names[cnt_used_entries].name,
1437                                         sizeof(xstats_names[0].name),
1438                                         "tx_q%u%s",
1439                                         id_queue,
1440                                         rte_txq_stats_strings[idx].name);
1441                                 cnt_used_entries++;
1442                         }
1443                 }
1444
1445                 if (dev->dev_ops->xstats_get_names_by_ids != NULL) {
1446                         /* If there are any driver-specific xstats, append them
1447                          * to end of list.
1448                          */
1449                         cnt_driver_entries =
1450                                 (*dev->dev_ops->xstats_get_names_by_ids)(
1451                                 dev,
1452                                 xstats_names + cnt_used_entries,
1453                                 NULL,
1454                                 size - cnt_used_entries);
1455                         if (cnt_driver_entries < 0)
1456                                 return cnt_driver_entries;
1457                         cnt_used_entries += cnt_driver_entries;
1458
1459                 } else if (dev->dev_ops->xstats_get_names != NULL) {
1460                         /* If there are any driver-specific xstats, append them
1461                          * to end of list.
1462                          */
1463                         cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1464                                 dev,
1465                                 xstats_names + cnt_used_entries,
1466                                 size - cnt_used_entries);
1467                         if (cnt_driver_entries < 0)
1468                                 return cnt_driver_entries;
1469                         cnt_used_entries += cnt_driver_entries;
1470                 }
1471
1472                 return cnt_used_entries;
1473         }
1474         /* Get only xstats given by IDS */
1475         else {
1476                 uint16_t len, i;
1477                 struct rte_eth_xstat_name *xstats_names_copy;
1478
1479                 len = rte_eth_xstats_get_names_v1705(port_id, NULL, 0, NULL);
1480
1481                 xstats_names_copy =
1482                                 malloc(sizeof(struct rte_eth_xstat_name) * len);
1483                 if (!xstats_names_copy) {
1484                         RTE_PMD_DEBUG_TRACE(
1485                              "ERROR: can't allocate memory for values_copy\n");
1486                         free(xstats_names_copy);
1487                         return -1;
1488                 }
1489
1490                 rte_eth_xstats_get_names_v1705(port_id, xstats_names_copy,
1491                                 len, NULL);
1492
1493                 for (i = 0; i < size; i++) {
1494                         if (ids[i] >= len) {
1495                                 RTE_PMD_DEBUG_TRACE(
1496                                         "ERROR: id value isn't valid\n");
1497                                 return -1;
1498                         }
1499                         strcpy(xstats_names[i].name,
1500                                         xstats_names_copy[ids[i]].name);
1501                 }
1502                 free(xstats_names_copy);
1503                 return size;
1504         }
1505 }
1506 BIND_DEFAULT_SYMBOL(rte_eth_xstats_get_names, _v1705, 17.05);
1507
1508 MAP_STATIC_SYMBOL(int
1509                 rte_eth_xstats_get_names(uint8_t port_id,
1510                         struct rte_eth_xstat_name *xstats_names,
1511                         unsigned int size,
1512                         uint64_t *ids), rte_eth_xstats_get_names_v1705);
1513
1514 /* retrieve ethdev extended statistics */
1515 int
1516 rte_eth_xstats_get_v22(uint8_t port_id, struct rte_eth_xstat *xstats,
1517         unsigned int n)
1518 {
1519         uint64_t *values_copy;
1520         uint16_t size, i;
1521
1522         values_copy = malloc(sizeof(values_copy) * n);
1523         if (!values_copy) {
1524                 RTE_PMD_DEBUG_TRACE(
1525                                 "ERROR: Cannot allocate memory for xstats\n");
1526                 return -1;
1527         }
1528         size = rte_eth_xstats_get(port_id, 0, values_copy, n);
1529
1530         for (i = 0; i < n; i++) {
1531                 xstats[i].id = i;
1532                 xstats[i].value = values_copy[i];
1533         }
1534         free(values_copy);
1535         return size;
1536 }
1537 VERSION_SYMBOL(rte_eth_xstats_get, _v22, 2.2);
1538
1539 /* retrieve ethdev extended statistics */
1540 int
1541 rte_eth_xstats_get_v1705(uint8_t port_id, uint64_t *ids, uint64_t *values,
1542         unsigned int n)
1543 {
1544         /* If need all xstats */
1545         if (!ids) {
1546                 struct rte_eth_stats eth_stats;
1547                 struct rte_eth_dev *dev;
1548                 unsigned int count = 0, i, q;
1549                 signed int xcount = 0;
1550                 uint64_t val, *stats_ptr;
1551                 uint16_t nb_rxqs, nb_txqs;
1552
1553                 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1554                 dev = &rte_eth_devices[port_id];
1555
1556                 nb_rxqs = RTE_MIN(dev->data->nb_rx_queues,
1557                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1558                 nb_txqs = RTE_MIN(dev->data->nb_tx_queues,
1559                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1560
1561                 /* Return generic statistics */
1562                 count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1563                         (nb_txqs * RTE_NB_TXQ_STATS);
1564
1565
1566                 /* implemented by the driver */
1567                 if (dev->dev_ops->xstats_get_by_ids != NULL) {
1568                         /* Retrieve the xstats from the driver at the end of the
1569                          * xstats struct. Retrieve all xstats.
1570                          */
1571                         xcount = (*dev->dev_ops->xstats_get_by_ids)(dev,
1572                                         NULL,
1573                                         values ? values + count : NULL,
1574                                         (n > count) ? n - count : 0);
1575
1576                         if (xcount < 0)
1577                                 return xcount;
1578                 /* implemented by the driver */
1579                 } else if (dev->dev_ops->xstats_get != NULL) {
1580                         /* Retrieve the xstats from the driver at the end of the
1581                          * xstats struct. Retrieve all xstats.
1582                          * Compatibility for PMD without xstats_get_by_ids
1583                          */
1584                         unsigned int size = (n > count) ? n - count : 1;
1585                         struct rte_eth_xstat xstats[size];
1586
1587                         xcount = (*dev->dev_ops->xstats_get)(dev,
1588                                         values ? xstats : NULL, size);
1589
1590                         if (xcount < 0)
1591                                 return xcount;
1592
1593                         if (values != NULL)
1594                                 for (i = 0 ; i < (unsigned int)xcount; i++)
1595                                         values[i + count] = xstats[i].value;
1596                 }
1597
1598                 if (n < count + xcount || values == NULL)
1599                         return count + xcount;
1600
1601                 /* now fill the xstats structure */
1602                 count = 0;
1603                 rte_eth_stats_get(port_id, &eth_stats);
1604
1605                 /* global stats */
1606                 for (i = 0; i < RTE_NB_STATS; i++) {
1607                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1608                                                 rte_stats_strings[i].offset);
1609                         val = *stats_ptr;
1610                         values[count++] = val;
1611                 }
1612
1613                 /* per-rxq stats */
1614                 for (q = 0; q < nb_rxqs; q++) {
1615                         for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1616                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1617                                             rte_rxq_stats_strings[i].offset +
1618                                             q * sizeof(uint64_t));
1619                                 val = *stats_ptr;
1620                                 values[count++] = val;
1621                         }
1622                 }
1623
1624                 /* per-txq stats */
1625                 for (q = 0; q < nb_txqs; q++) {
1626                         for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1627                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1628                                             rte_txq_stats_strings[i].offset +
1629                                             q * sizeof(uint64_t));
1630                                 val = *stats_ptr;
1631                                 values[count++] = val;
1632                         }
1633                 }
1634
1635                 return count + xcount;
1636         }
1637         /* Need only xstats given by IDS array */
1638         else {
1639                 uint16_t i, size;
1640                 uint64_t *values_copy;
1641
1642                 size = rte_eth_xstats_get_v1705(port_id, NULL, NULL, 0);
1643
1644                 values_copy = malloc(sizeof(values_copy) * size);
1645                 if (!values_copy) {
1646                         RTE_PMD_DEBUG_TRACE(
1647                             "ERROR: can't allocate memory for values_copy\n");
1648                         return -1;
1649                 }
1650
1651                 rte_eth_xstats_get_v1705(port_id, NULL, values_copy, size);
1652
1653                 for (i = 0; i < n; i++) {
1654                         if (ids[i] >= size) {
1655                                 RTE_PMD_DEBUG_TRACE(
1656                                         "ERROR: id value isn't valid\n");
1657                                 return -1;
1658                         }
1659                         values[i] = values_copy[ids[i]];
1660                 }
1661                 free(values_copy);
1662                 return n;
1663         }
1664 }
1665 BIND_DEFAULT_SYMBOL(rte_eth_xstats_get, _v1705, 17.05);
1666
1667 MAP_STATIC_SYMBOL(int
1668                 rte_eth_xstats_get(uint8_t port_id, uint64_t *ids,
1669                 uint64_t *values, unsigned int n), rte_eth_xstats_get_v1705);
1670
1671 int
1672 rte_eth_xstats_get_all(uint8_t port_id, struct rte_eth_xstat *xstats,
1673         unsigned int n)
1674 {
1675         uint64_t *values_copy;
1676         uint16_t size, i;
1677
1678         values_copy = malloc(sizeof(values_copy) * n);
1679         if (!values_copy) {
1680                 RTE_PMD_DEBUG_TRACE(
1681                                 "ERROR: Cannot allocate memory for xstats\n");
1682                 return -1;
1683         }
1684         size = rte_eth_xstats_get(port_id, 0, values_copy, n);
1685
1686         for (i = 0; i < n; i++) {
1687                 xstats[i].id = i;
1688                 xstats[i].value = values_copy[i];
1689         }
1690         free(values_copy);
1691         return size;
1692 }
1693
1694 int
1695 rte_eth_xstats_get_names_all(uint8_t port_id,
1696                 struct rte_eth_xstat_name *xstats_names, unsigned int n)
1697 {
1698         return rte_eth_xstats_get_names(port_id, xstats_names, n, NULL);
1699 }
1700
1701 /* reset ethdev extended statistics */
1702 void
1703 rte_eth_xstats_reset(uint8_t port_id)
1704 {
1705         struct rte_eth_dev *dev;
1706
1707         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1708         dev = &rte_eth_devices[port_id];
1709
1710         /* implemented by the driver */
1711         if (dev->dev_ops->xstats_reset != NULL) {
1712                 (*dev->dev_ops->xstats_reset)(dev);
1713                 return;
1714         }
1715
1716         /* fallback to default */
1717         rte_eth_stats_reset(port_id);
1718 }
1719
1720 static int
1721 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1722                 uint8_t is_rx)
1723 {
1724         struct rte_eth_dev *dev;
1725
1726         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1727
1728         dev = &rte_eth_devices[port_id];
1729
1730         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1731         return (*dev->dev_ops->queue_stats_mapping_set)
1732                         (dev, queue_id, stat_idx, is_rx);
1733 }
1734
1735
1736 int
1737 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1738                 uint8_t stat_idx)
1739 {
1740         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1741                         STAT_QMAP_TX);
1742 }
1743
1744
1745 int
1746 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1747                 uint8_t stat_idx)
1748 {
1749         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1750                         STAT_QMAP_RX);
1751 }
1752
1753 int
1754 rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size)
1755 {
1756         struct rte_eth_dev *dev;
1757
1758         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1759         dev = &rte_eth_devices[port_id];
1760
1761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
1762         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
1763 }
1764
1765 void
1766 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1767 {
1768         struct rte_eth_dev *dev;
1769         const struct rte_eth_desc_lim lim = {
1770                 .nb_max = UINT16_MAX,
1771                 .nb_min = 0,
1772                 .nb_align = 1,
1773         };
1774
1775         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1776         dev = &rte_eth_devices[port_id];
1777
1778         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1779         dev_info->rx_desc_lim = lim;
1780         dev_info->tx_desc_lim = lim;
1781
1782         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1783         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1784         dev_info->driver_name = dev->data->drv_name;
1785         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
1786         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
1787 }
1788
1789 int
1790 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
1791                                  uint32_t *ptypes, int num)
1792 {
1793         int i, j;
1794         struct rte_eth_dev *dev;
1795         const uint32_t *all_ptypes;
1796
1797         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1798         dev = &rte_eth_devices[port_id];
1799         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
1800         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
1801
1802         if (!all_ptypes)
1803                 return 0;
1804
1805         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
1806                 if (all_ptypes[i] & ptype_mask) {
1807                         if (j < num)
1808                                 ptypes[j] = all_ptypes[i];
1809                         j++;
1810                 }
1811
1812         return j;
1813 }
1814
1815 void
1816 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1817 {
1818         struct rte_eth_dev *dev;
1819
1820         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1821         dev = &rte_eth_devices[port_id];
1822         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1823 }
1824
1825
1826 int
1827 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1828 {
1829         struct rte_eth_dev *dev;
1830
1831         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1832
1833         dev = &rte_eth_devices[port_id];
1834         *mtu = dev->data->mtu;
1835         return 0;
1836 }
1837
1838 int
1839 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1840 {
1841         int ret;
1842         struct rte_eth_dev *dev;
1843
1844         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1845         dev = &rte_eth_devices[port_id];
1846         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1847
1848         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1849         if (!ret)
1850                 dev->data->mtu = mtu;
1851
1852         return ret;
1853 }
1854
1855 int
1856 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1857 {
1858         struct rte_eth_dev *dev;
1859
1860         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1861         dev = &rte_eth_devices[port_id];
1862         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1863                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1864                 return -ENOSYS;
1865         }
1866
1867         if (vlan_id > 4095) {
1868                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1869                                 port_id, (unsigned) vlan_id);
1870                 return -EINVAL;
1871         }
1872         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1873
1874         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1875 }
1876
1877 int
1878 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1879 {
1880         struct rte_eth_dev *dev;
1881
1882         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1883         dev = &rte_eth_devices[port_id];
1884         if (rx_queue_id >= dev->data->nb_rx_queues) {
1885                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1886                 return -EINVAL;
1887         }
1888
1889         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1890         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1891
1892         return 0;
1893 }
1894
1895 int
1896 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
1897                                 enum rte_vlan_type vlan_type,
1898                                 uint16_t tpid)
1899 {
1900         struct rte_eth_dev *dev;
1901
1902         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1903         dev = &rte_eth_devices[port_id];
1904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
1905
1906         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
1907 }
1908
1909 int
1910 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
1911 {
1912         struct rte_eth_dev *dev;
1913         int ret = 0;
1914         int mask = 0;
1915         int cur, org = 0;
1916
1917         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1918         dev = &rte_eth_devices[port_id];
1919
1920         /*check which option changed by application*/
1921         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
1922         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
1923         if (cur != org) {
1924                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
1925                 mask |= ETH_VLAN_STRIP_MASK;
1926         }
1927
1928         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
1929         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
1930         if (cur != org) {
1931                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
1932                 mask |= ETH_VLAN_FILTER_MASK;
1933         }
1934
1935         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
1936         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
1937         if (cur != org) {
1938                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
1939                 mask |= ETH_VLAN_EXTEND_MASK;
1940         }
1941
1942         /*no change*/
1943         if (mask == 0)
1944                 return ret;
1945
1946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
1947         (*dev->dev_ops->vlan_offload_set)(dev, mask);
1948
1949         return ret;
1950 }
1951
1952 int
1953 rte_eth_dev_get_vlan_offload(uint8_t port_id)
1954 {
1955         struct rte_eth_dev *dev;
1956         int ret = 0;
1957
1958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1959         dev = &rte_eth_devices[port_id];
1960
1961         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
1962                 ret |= ETH_VLAN_STRIP_OFFLOAD;
1963
1964         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
1965                 ret |= ETH_VLAN_FILTER_OFFLOAD;
1966
1967         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1968                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
1969
1970         return ret;
1971 }
1972
1973 int
1974 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
1975 {
1976         struct rte_eth_dev *dev;
1977
1978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1979         dev = &rte_eth_devices[port_id];
1980         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
1981         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
1982
1983         return 0;
1984 }
1985
1986 int
1987 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1988 {
1989         struct rte_eth_dev *dev;
1990
1991         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1992         dev = &rte_eth_devices[port_id];
1993         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
1994         memset(fc_conf, 0, sizeof(*fc_conf));
1995         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
1996 }
1997
1998 int
1999 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2000 {
2001         struct rte_eth_dev *dev;
2002
2003         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2004         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2005                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2006                 return -EINVAL;
2007         }
2008
2009         dev = &rte_eth_devices[port_id];
2010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2011         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2012 }
2013
2014 int
2015 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
2016 {
2017         struct rte_eth_dev *dev;
2018
2019         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2020         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2021                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2022                 return -EINVAL;
2023         }
2024
2025         dev = &rte_eth_devices[port_id];
2026         /* High water, low water validation are device specific */
2027         if  (*dev->dev_ops->priority_flow_ctrl_set)
2028                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2029         return -ENOTSUP;
2030 }
2031
2032 static int
2033 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2034                         uint16_t reta_size)
2035 {
2036         uint16_t i, num;
2037
2038         if (!reta_conf)
2039                 return -EINVAL;
2040
2041         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2042         for (i = 0; i < num; i++) {
2043                 if (reta_conf[i].mask)
2044                         return 0;
2045         }
2046
2047         return -EINVAL;
2048 }
2049
2050 static int
2051 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2052                          uint16_t reta_size,
2053                          uint16_t max_rxq)
2054 {
2055         uint16_t i, idx, shift;
2056
2057         if (!reta_conf)
2058                 return -EINVAL;
2059
2060         if (max_rxq == 0) {
2061                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2062                 return -EINVAL;
2063         }
2064
2065         for (i = 0; i < reta_size; i++) {
2066                 idx = i / RTE_RETA_GROUP_SIZE;
2067                 shift = i % RTE_RETA_GROUP_SIZE;
2068                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2069                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2070                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2071                                 "the maximum rxq index: %u\n", idx, shift,
2072                                 reta_conf[idx].reta[shift], max_rxq);
2073                         return -EINVAL;
2074                 }
2075         }
2076
2077         return 0;
2078 }
2079
2080 int
2081 rte_eth_dev_rss_reta_update(uint8_t port_id,
2082                             struct rte_eth_rss_reta_entry64 *reta_conf,
2083                             uint16_t reta_size)
2084 {
2085         struct rte_eth_dev *dev;
2086         int ret;
2087
2088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2089         /* Check mask bits */
2090         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2091         if (ret < 0)
2092                 return ret;
2093
2094         dev = &rte_eth_devices[port_id];
2095
2096         /* Check entry value */
2097         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2098                                 dev->data->nb_rx_queues);
2099         if (ret < 0)
2100                 return ret;
2101
2102         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2103         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2104 }
2105
2106 int
2107 rte_eth_dev_rss_reta_query(uint8_t port_id,
2108                            struct rte_eth_rss_reta_entry64 *reta_conf,
2109                            uint16_t reta_size)
2110 {
2111         struct rte_eth_dev *dev;
2112         int ret;
2113
2114         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2115
2116         /* Check mask bits */
2117         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2118         if (ret < 0)
2119                 return ret;
2120
2121         dev = &rte_eth_devices[port_id];
2122         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2123         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2124 }
2125
2126 int
2127 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2128 {
2129         struct rte_eth_dev *dev;
2130         uint16_t rss_hash_protos;
2131
2132         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2133         rss_hash_protos = rss_conf->rss_hf;
2134         if ((rss_hash_protos != 0) &&
2135             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2136                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2137                                 rss_hash_protos);
2138                 return -EINVAL;
2139         }
2140         dev = &rte_eth_devices[port_id];
2141         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2142         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2143 }
2144
2145 int
2146 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2147                               struct rte_eth_rss_conf *rss_conf)
2148 {
2149         struct rte_eth_dev *dev;
2150
2151         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2152         dev = &rte_eth_devices[port_id];
2153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2154         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2155 }
2156
2157 int
2158 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2159                                 struct rte_eth_udp_tunnel *udp_tunnel)
2160 {
2161         struct rte_eth_dev *dev;
2162
2163         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2164         if (udp_tunnel == NULL) {
2165                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2166                 return -EINVAL;
2167         }
2168
2169         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2170                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2171                 return -EINVAL;
2172         }
2173
2174         dev = &rte_eth_devices[port_id];
2175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2176         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2177 }
2178
2179 int
2180 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2181                                    struct rte_eth_udp_tunnel *udp_tunnel)
2182 {
2183         struct rte_eth_dev *dev;
2184
2185         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2186         dev = &rte_eth_devices[port_id];
2187
2188         if (udp_tunnel == NULL) {
2189                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2190                 return -EINVAL;
2191         }
2192
2193         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2194                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2195                 return -EINVAL;
2196         }
2197
2198         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2199         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2200 }
2201
2202 int
2203 rte_eth_led_on(uint8_t port_id)
2204 {
2205         struct rte_eth_dev *dev;
2206
2207         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2208         dev = &rte_eth_devices[port_id];
2209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2210         return (*dev->dev_ops->dev_led_on)(dev);
2211 }
2212
2213 int
2214 rte_eth_led_off(uint8_t port_id)
2215 {
2216         struct rte_eth_dev *dev;
2217
2218         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2219         dev = &rte_eth_devices[port_id];
2220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2221         return (*dev->dev_ops->dev_led_off)(dev);
2222 }
2223
2224 /*
2225  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2226  * an empty spot.
2227  */
2228 static int
2229 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2230 {
2231         struct rte_eth_dev_info dev_info;
2232         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2233         unsigned i;
2234
2235         rte_eth_dev_info_get(port_id, &dev_info);
2236
2237         for (i = 0; i < dev_info.max_mac_addrs; i++)
2238                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2239                         return i;
2240
2241         return -1;
2242 }
2243
2244 static const struct ether_addr null_mac_addr;
2245
2246 int
2247 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2248                         uint32_t pool)
2249 {
2250         struct rte_eth_dev *dev;
2251         int index;
2252         uint64_t pool_mask;
2253
2254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2255         dev = &rte_eth_devices[port_id];
2256         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2257
2258         if (is_zero_ether_addr(addr)) {
2259                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2260                         port_id);
2261                 return -EINVAL;
2262         }
2263         if (pool >= ETH_64_POOLS) {
2264                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2265                 return -EINVAL;
2266         }
2267
2268         index = get_mac_addr_index(port_id, addr);
2269         if (index < 0) {
2270                 index = get_mac_addr_index(port_id, &null_mac_addr);
2271                 if (index < 0) {
2272                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2273                                 port_id);
2274                         return -ENOSPC;
2275                 }
2276         } else {
2277                 pool_mask = dev->data->mac_pool_sel[index];
2278
2279                 /* Check if both MAC address and pool is already there, and do nothing */
2280                 if (pool_mask & (1ULL << pool))
2281                         return 0;
2282         }
2283
2284         /* Update NIC */
2285         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2286
2287         /* Update address in NIC data structure */
2288         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2289
2290         /* Update pool bitmap in NIC data structure */
2291         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2292
2293         return 0;
2294 }
2295
2296 int
2297 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2298 {
2299         struct rte_eth_dev *dev;
2300         int index;
2301
2302         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2303         dev = &rte_eth_devices[port_id];
2304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2305
2306         index = get_mac_addr_index(port_id, addr);
2307         if (index == 0) {
2308                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2309                 return -EADDRINUSE;
2310         } else if (index < 0)
2311                 return 0;  /* Do nothing if address wasn't found */
2312
2313         /* Update NIC */
2314         (*dev->dev_ops->mac_addr_remove)(dev, index);
2315
2316         /* Update address in NIC data structure */
2317         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2318
2319         /* reset pool bitmap */
2320         dev->data->mac_pool_sel[index] = 0;
2321
2322         return 0;
2323 }
2324
2325 int
2326 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2327 {
2328         struct rte_eth_dev *dev;
2329
2330         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2331
2332         if (!is_valid_assigned_ether_addr(addr))
2333                 return -EINVAL;
2334
2335         dev = &rte_eth_devices[port_id];
2336         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2337
2338         /* Update default address in NIC data structure */
2339         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2340
2341         (*dev->dev_ops->mac_addr_set)(dev, addr);
2342
2343         return 0;
2344 }
2345
2346
2347 /*
2348  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2349  * an empty spot.
2350  */
2351 static int
2352 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2353 {
2354         struct rte_eth_dev_info dev_info;
2355         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2356         unsigned i;
2357
2358         rte_eth_dev_info_get(port_id, &dev_info);
2359         if (!dev->data->hash_mac_addrs)
2360                 return -1;
2361
2362         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2363                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2364                         ETHER_ADDR_LEN) == 0)
2365                         return i;
2366
2367         return -1;
2368 }
2369
2370 int
2371 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2372                                 uint8_t on)
2373 {
2374         int index;
2375         int ret;
2376         struct rte_eth_dev *dev;
2377
2378         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2379
2380         dev = &rte_eth_devices[port_id];
2381         if (is_zero_ether_addr(addr)) {
2382                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2383                         port_id);
2384                 return -EINVAL;
2385         }
2386
2387         index = get_hash_mac_addr_index(port_id, addr);
2388         /* Check if it's already there, and do nothing */
2389         if ((index >= 0) && (on))
2390                 return 0;
2391
2392         if (index < 0) {
2393                 if (!on) {
2394                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2395                                 "set in UTA\n", port_id);
2396                         return -EINVAL;
2397                 }
2398
2399                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2400                 if (index < 0) {
2401                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2402                                         port_id);
2403                         return -ENOSPC;
2404                 }
2405         }
2406
2407         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2408         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2409         if (ret == 0) {
2410                 /* Update address in NIC data structure */
2411                 if (on)
2412                         ether_addr_copy(addr,
2413                                         &dev->data->hash_mac_addrs[index]);
2414                 else
2415                         ether_addr_copy(&null_mac_addr,
2416                                         &dev->data->hash_mac_addrs[index]);
2417         }
2418
2419         return ret;
2420 }
2421
2422 int
2423 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2424 {
2425         struct rte_eth_dev *dev;
2426
2427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2428
2429         dev = &rte_eth_devices[port_id];
2430
2431         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2432         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2433 }
2434
2435 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2436                                         uint16_t tx_rate)
2437 {
2438         struct rte_eth_dev *dev;
2439         struct rte_eth_dev_info dev_info;
2440         struct rte_eth_link link;
2441
2442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2443
2444         dev = &rte_eth_devices[port_id];
2445         rte_eth_dev_info_get(port_id, &dev_info);
2446         link = dev->data->dev_link;
2447
2448         if (queue_idx > dev_info.max_tx_queues) {
2449                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2450                                 "invalid queue id=%d\n", port_id, queue_idx);
2451                 return -EINVAL;
2452         }
2453
2454         if (tx_rate > link.link_speed) {
2455                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2456                                 "bigger than link speed= %d\n",
2457                         tx_rate, link.link_speed);
2458                 return -EINVAL;
2459         }
2460
2461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2462         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2463 }
2464
2465 int
2466 rte_eth_mirror_rule_set(uint8_t port_id,
2467                         struct rte_eth_mirror_conf *mirror_conf,
2468                         uint8_t rule_id, uint8_t on)
2469 {
2470         struct rte_eth_dev *dev;
2471
2472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2473         if (mirror_conf->rule_type == 0) {
2474                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2475                 return -EINVAL;
2476         }
2477
2478         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2479                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2480                                 ETH_64_POOLS - 1);
2481                 return -EINVAL;
2482         }
2483
2484         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2485              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2486             (mirror_conf->pool_mask == 0)) {
2487                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2488                 return -EINVAL;
2489         }
2490
2491         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2492             mirror_conf->vlan.vlan_mask == 0) {
2493                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2494                 return -EINVAL;
2495         }
2496
2497         dev = &rte_eth_devices[port_id];
2498         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2499
2500         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2501 }
2502
2503 int
2504 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2505 {
2506         struct rte_eth_dev *dev;
2507
2508         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2509
2510         dev = &rte_eth_devices[port_id];
2511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2512
2513         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2514 }
2515
2516 int
2517 rte_eth_dev_callback_register(uint8_t port_id,
2518                         enum rte_eth_event_type event,
2519                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2520 {
2521         struct rte_eth_dev *dev;
2522         struct rte_eth_dev_callback *user_cb;
2523
2524         if (!cb_fn)
2525                 return -EINVAL;
2526
2527         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2528
2529         dev = &rte_eth_devices[port_id];
2530         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2531
2532         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2533                 if (user_cb->cb_fn == cb_fn &&
2534                         user_cb->cb_arg == cb_arg &&
2535                         user_cb->event == event) {
2536                         break;
2537                 }
2538         }
2539
2540         /* create a new callback. */
2541         if (user_cb == NULL) {
2542                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2543                                         sizeof(struct rte_eth_dev_callback), 0);
2544                 if (user_cb != NULL) {
2545                         user_cb->cb_fn = cb_fn;
2546                         user_cb->cb_arg = cb_arg;
2547                         user_cb->event = event;
2548                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2549                 }
2550         }
2551
2552         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2553         return (user_cb == NULL) ? -ENOMEM : 0;
2554 }
2555
2556 int
2557 rte_eth_dev_callback_unregister(uint8_t port_id,
2558                         enum rte_eth_event_type event,
2559                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2560 {
2561         int ret;
2562         struct rte_eth_dev *dev;
2563         struct rte_eth_dev_callback *cb, *next;
2564
2565         if (!cb_fn)
2566                 return -EINVAL;
2567
2568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2569
2570         dev = &rte_eth_devices[port_id];
2571         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2572
2573         ret = 0;
2574         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2575
2576                 next = TAILQ_NEXT(cb, next);
2577
2578                 if (cb->cb_fn != cb_fn || cb->event != event ||
2579                                 (cb->cb_arg != (void *)-1 &&
2580                                 cb->cb_arg != cb_arg))
2581                         continue;
2582
2583                 /*
2584                  * if this callback is not executing right now,
2585                  * then remove it.
2586                  */
2587                 if (cb->active == 0) {
2588                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2589                         rte_free(cb);
2590                 } else {
2591                         ret = -EAGAIN;
2592                 }
2593         }
2594
2595         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2596         return ret;
2597 }
2598
2599 void
2600 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2601         enum rte_eth_event_type event, void *cb_arg)
2602 {
2603         struct rte_eth_dev_callback *cb_lst;
2604         struct rte_eth_dev_callback dev_cb;
2605
2606         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2607         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2608                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2609                         continue;
2610                 dev_cb = *cb_lst;
2611                 cb_lst->active = 1;
2612                 if (cb_arg != NULL)
2613                         dev_cb.cb_arg = cb_arg;
2614
2615                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2616                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2617                                                 dev_cb.cb_arg);
2618                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2619                 cb_lst->active = 0;
2620         }
2621         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2622 }
2623
2624 int
2625 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2626 {
2627         uint32_t vec;
2628         struct rte_eth_dev *dev;
2629         struct rte_intr_handle *intr_handle;
2630         uint16_t qid;
2631         int rc;
2632
2633         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2634
2635         dev = &rte_eth_devices[port_id];
2636
2637         if (!dev->intr_handle) {
2638                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2639                 return -ENOTSUP;
2640         }
2641
2642         intr_handle = dev->intr_handle;
2643         if (!intr_handle->intr_vec) {
2644                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2645                 return -EPERM;
2646         }
2647
2648         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2649                 vec = intr_handle->intr_vec[qid];
2650                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2651                 if (rc && rc != -EEXIST) {
2652                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2653                                         " op %d epfd %d vec %u\n",
2654                                         port_id, qid, op, epfd, vec);
2655                 }
2656         }
2657
2658         return 0;
2659 }
2660
2661 const struct rte_memzone *
2662 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2663                          uint16_t queue_id, size_t size, unsigned align,
2664                          int socket_id)
2665 {
2666         char z_name[RTE_MEMZONE_NAMESIZE];
2667         const struct rte_memzone *mz;
2668
2669         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2670                  dev->data->drv_name, ring_name,
2671                  dev->data->port_id, queue_id);
2672
2673         mz = rte_memzone_lookup(z_name);
2674         if (mz)
2675                 return mz;
2676
2677         if (rte_xen_dom0_supported())
2678                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2679                                                    0, align, RTE_PGSIZE_2M);
2680         else
2681                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2682                                                    0, align);
2683 }
2684
2685 int
2686 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2687                           int epfd, int op, void *data)
2688 {
2689         uint32_t vec;
2690         struct rte_eth_dev *dev;
2691         struct rte_intr_handle *intr_handle;
2692         int rc;
2693
2694         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2695
2696         dev = &rte_eth_devices[port_id];
2697         if (queue_id >= dev->data->nb_rx_queues) {
2698                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2699                 return -EINVAL;
2700         }
2701
2702         if (!dev->intr_handle) {
2703                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2704                 return -ENOTSUP;
2705         }
2706
2707         intr_handle = dev->intr_handle;
2708         if (!intr_handle->intr_vec) {
2709                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2710                 return -EPERM;
2711         }
2712
2713         vec = intr_handle->intr_vec[queue_id];
2714         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2715         if (rc && rc != -EEXIST) {
2716                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2717                                 " op %d epfd %d vec %u\n",
2718                                 port_id, queue_id, op, epfd, vec);
2719                 return rc;
2720         }
2721
2722         return 0;
2723 }
2724
2725 int
2726 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2727                            uint16_t queue_id)
2728 {
2729         struct rte_eth_dev *dev;
2730
2731         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2732
2733         dev = &rte_eth_devices[port_id];
2734
2735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2736         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2737 }
2738
2739 int
2740 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2741                             uint16_t queue_id)
2742 {
2743         struct rte_eth_dev *dev;
2744
2745         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2746
2747         dev = &rte_eth_devices[port_id];
2748
2749         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2750         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2751 }
2752
2753 #ifdef RTE_NIC_BYPASS
2754 int rte_eth_dev_bypass_init(uint8_t port_id)
2755 {
2756         struct rte_eth_dev *dev;
2757
2758         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2759
2760         dev = &rte_eth_devices[port_id];
2761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
2762         (*dev->dev_ops->bypass_init)(dev);
2763         return 0;
2764 }
2765
2766 int
2767 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
2768 {
2769         struct rte_eth_dev *dev;
2770
2771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2772
2773         dev = &rte_eth_devices[port_id];
2774         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2775         (*dev->dev_ops->bypass_state_show)(dev, state);
2776         return 0;
2777 }
2778
2779 int
2780 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
2781 {
2782         struct rte_eth_dev *dev;
2783
2784         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2785
2786         dev = &rte_eth_devices[port_id];
2787         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
2788         (*dev->dev_ops->bypass_state_set)(dev, new_state);
2789         return 0;
2790 }
2791
2792 int
2793 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
2794 {
2795         struct rte_eth_dev *dev;
2796
2797         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2798
2799         dev = &rte_eth_devices[port_id];
2800         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2801         (*dev->dev_ops->bypass_event_show)(dev, event, state);
2802         return 0;
2803 }
2804
2805 int
2806 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
2807 {
2808         struct rte_eth_dev *dev;
2809
2810         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2811
2812         dev = &rte_eth_devices[port_id];
2813
2814         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
2815         (*dev->dev_ops->bypass_event_set)(dev, event, state);
2816         return 0;
2817 }
2818
2819 int
2820 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
2821 {
2822         struct rte_eth_dev *dev;
2823
2824         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2825
2826         dev = &rte_eth_devices[port_id];
2827
2828         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
2829         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
2830         return 0;
2831 }
2832
2833 int
2834 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
2835 {
2836         struct rte_eth_dev *dev;
2837
2838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2839
2840         dev = &rte_eth_devices[port_id];
2841
2842         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
2843         (*dev->dev_ops->bypass_ver_show)(dev, ver);
2844         return 0;
2845 }
2846
2847 int
2848 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
2849 {
2850         struct rte_eth_dev *dev;
2851
2852         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2853
2854         dev = &rte_eth_devices[port_id];
2855
2856         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
2857         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
2858         return 0;
2859 }
2860
2861 int
2862 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
2863 {
2864         struct rte_eth_dev *dev;
2865
2866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2867
2868         dev = &rte_eth_devices[port_id];
2869
2870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
2871         (*dev->dev_ops->bypass_wd_reset)(dev);
2872         return 0;
2873 }
2874 #endif
2875
2876 int
2877 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2878 {
2879         struct rte_eth_dev *dev;
2880
2881         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2882
2883         dev = &rte_eth_devices[port_id];
2884         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2885         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2886                                 RTE_ETH_FILTER_NOP, NULL);
2887 }
2888
2889 int
2890 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2891                        enum rte_filter_op filter_op, void *arg)
2892 {
2893         struct rte_eth_dev *dev;
2894
2895         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2896
2897         dev = &rte_eth_devices[port_id];
2898         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2899         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2900 }
2901
2902 void *
2903 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2904                 rte_rx_callback_fn fn, void *user_param)
2905 {
2906 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2907         rte_errno = ENOTSUP;
2908         return NULL;
2909 #endif
2910         /* check input parameters */
2911         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2912                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2913                 rte_errno = EINVAL;
2914                 return NULL;
2915         }
2916         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2917
2918         if (cb == NULL) {
2919                 rte_errno = ENOMEM;
2920                 return NULL;
2921         }
2922
2923         cb->fn.rx = fn;
2924         cb->param = user_param;
2925
2926         rte_spinlock_lock(&rte_eth_rx_cb_lock);
2927         /* Add the callbacks in fifo order. */
2928         struct rte_eth_rxtx_callback *tail =
2929                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2930
2931         if (!tail) {
2932                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2933
2934         } else {
2935                 while (tail->next)
2936                         tail = tail->next;
2937                 tail->next = cb;
2938         }
2939         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
2940
2941         return cb;
2942 }
2943
2944 void *
2945 rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id,
2946                 rte_rx_callback_fn fn, void *user_param)
2947 {
2948 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2949         rte_errno = ENOTSUP;
2950         return NULL;
2951 #endif
2952         /* check input parameters */
2953         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2954                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2955                 rte_errno = EINVAL;
2956                 return NULL;
2957         }
2958
2959         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2960
2961         if (cb == NULL) {
2962                 rte_errno = ENOMEM;
2963                 return NULL;
2964         }
2965
2966         cb->fn.rx = fn;
2967         cb->param = user_param;
2968
2969         rte_spinlock_lock(&rte_eth_rx_cb_lock);
2970         /* Add the callbacks at fisrt position*/
2971         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2972         rte_smp_wmb();
2973         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2974         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
2975
2976         return cb;
2977 }
2978
2979 void *
2980 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
2981                 rte_tx_callback_fn fn, void *user_param)
2982 {
2983 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2984         rte_errno = ENOTSUP;
2985         return NULL;
2986 #endif
2987         /* check input parameters */
2988         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2989                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2990                 rte_errno = EINVAL;
2991                 return NULL;
2992         }
2993
2994         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2995
2996         if (cb == NULL) {
2997                 rte_errno = ENOMEM;
2998                 return NULL;
2999         }
3000
3001         cb->fn.tx = fn;
3002         cb->param = user_param;
3003
3004         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3005         /* Add the callbacks in fifo order. */
3006         struct rte_eth_rxtx_callback *tail =
3007                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3008
3009         if (!tail) {
3010                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3011
3012         } else {
3013                 while (tail->next)
3014                         tail = tail->next;
3015                 tail->next = cb;
3016         }
3017         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3018
3019         return cb;
3020 }
3021
3022 int
3023 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3024                 struct rte_eth_rxtx_callback *user_cb)
3025 {
3026 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3027         return -ENOTSUP;
3028 #endif
3029         /* Check input parameters. */
3030         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3031         if (user_cb == NULL ||
3032                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3033                 return -EINVAL;
3034
3035         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3036         struct rte_eth_rxtx_callback *cb;
3037         struct rte_eth_rxtx_callback **prev_cb;
3038         int ret = -EINVAL;
3039
3040         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3041         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3042         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3043                 cb = *prev_cb;
3044                 if (cb == user_cb) {
3045                         /* Remove the user cb from the callback list. */
3046                         *prev_cb = cb->next;
3047                         ret = 0;
3048                         break;
3049                 }
3050         }
3051         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3052
3053         return ret;
3054 }
3055
3056 int
3057 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3058                 struct rte_eth_rxtx_callback *user_cb)
3059 {
3060 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3061         return -ENOTSUP;
3062 #endif
3063         /* Check input parameters. */
3064         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3065         if (user_cb == NULL ||
3066                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3067                 return -EINVAL;
3068
3069         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3070         int ret = -EINVAL;
3071         struct rte_eth_rxtx_callback *cb;
3072         struct rte_eth_rxtx_callback **prev_cb;
3073
3074         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3075         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3076         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3077                 cb = *prev_cb;
3078                 if (cb == user_cb) {
3079                         /* Remove the user cb from the callback list. */
3080                         *prev_cb = cb->next;
3081                         ret = 0;
3082                         break;
3083                 }
3084         }
3085         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3086
3087         return ret;
3088 }
3089
3090 int
3091 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3092         struct rte_eth_rxq_info *qinfo)
3093 {
3094         struct rte_eth_dev *dev;
3095
3096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3097
3098         if (qinfo == NULL)
3099                 return -EINVAL;
3100
3101         dev = &rte_eth_devices[port_id];
3102         if (queue_id >= dev->data->nb_rx_queues) {
3103                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3104                 return -EINVAL;
3105         }
3106
3107         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3108
3109         memset(qinfo, 0, sizeof(*qinfo));
3110         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3111         return 0;
3112 }
3113
3114 int
3115 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3116         struct rte_eth_txq_info *qinfo)
3117 {
3118         struct rte_eth_dev *dev;
3119
3120         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3121
3122         if (qinfo == NULL)
3123                 return -EINVAL;
3124
3125         dev = &rte_eth_devices[port_id];
3126         if (queue_id >= dev->data->nb_tx_queues) {
3127                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3128                 return -EINVAL;
3129         }
3130
3131         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3132
3133         memset(qinfo, 0, sizeof(*qinfo));
3134         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3135         return 0;
3136 }
3137
3138 int
3139 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3140                              struct ether_addr *mc_addr_set,
3141                              uint32_t nb_mc_addr)
3142 {
3143         struct rte_eth_dev *dev;
3144
3145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3146
3147         dev = &rte_eth_devices[port_id];
3148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3149         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3150 }
3151
3152 int
3153 rte_eth_timesync_enable(uint8_t port_id)
3154 {
3155         struct rte_eth_dev *dev;
3156
3157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3158         dev = &rte_eth_devices[port_id];
3159
3160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3161         return (*dev->dev_ops->timesync_enable)(dev);
3162 }
3163
3164 int
3165 rte_eth_timesync_disable(uint8_t port_id)
3166 {
3167         struct rte_eth_dev *dev;
3168
3169         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3170         dev = &rte_eth_devices[port_id];
3171
3172         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3173         return (*dev->dev_ops->timesync_disable)(dev);
3174 }
3175
3176 int
3177 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3178                                    uint32_t flags)
3179 {
3180         struct rte_eth_dev *dev;
3181
3182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3183         dev = &rte_eth_devices[port_id];
3184
3185         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3186         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3187 }
3188
3189 int
3190 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3191 {
3192         struct rte_eth_dev *dev;
3193
3194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3195         dev = &rte_eth_devices[port_id];
3196
3197         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3198         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3199 }
3200
3201 int
3202 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3203 {
3204         struct rte_eth_dev *dev;
3205
3206         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3207         dev = &rte_eth_devices[port_id];
3208
3209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3210         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3211 }
3212
3213 int
3214 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3215 {
3216         struct rte_eth_dev *dev;
3217
3218         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3219         dev = &rte_eth_devices[port_id];
3220
3221         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3222         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3223 }
3224
3225 int
3226 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3227 {
3228         struct rte_eth_dev *dev;
3229
3230         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3231         dev = &rte_eth_devices[port_id];
3232
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3234         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3235 }
3236
3237 int
3238 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3239 {
3240         struct rte_eth_dev *dev;
3241
3242         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3243
3244         dev = &rte_eth_devices[port_id];
3245         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3246         return (*dev->dev_ops->get_reg)(dev, info);
3247 }
3248
3249 int
3250 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3251 {
3252         struct rte_eth_dev *dev;
3253
3254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3255
3256         dev = &rte_eth_devices[port_id];
3257         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3258         return (*dev->dev_ops->get_eeprom_length)(dev);
3259 }
3260
3261 int
3262 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3263 {
3264         struct rte_eth_dev *dev;
3265
3266         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3267
3268         dev = &rte_eth_devices[port_id];
3269         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3270         return (*dev->dev_ops->get_eeprom)(dev, info);
3271 }
3272
3273 int
3274 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3275 {
3276         struct rte_eth_dev *dev;
3277
3278         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3279
3280         dev = &rte_eth_devices[port_id];
3281         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3282         return (*dev->dev_ops->set_eeprom)(dev, info);
3283 }
3284
3285 int
3286 rte_eth_dev_get_dcb_info(uint8_t port_id,
3287                              struct rte_eth_dcb_info *dcb_info)
3288 {
3289         struct rte_eth_dev *dev;
3290
3291         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3292
3293         dev = &rte_eth_devices[port_id];
3294         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3295
3296         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3297         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3298 }
3299
3300 int
3301 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3302                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3303 {
3304         struct rte_eth_dev *dev;
3305
3306         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3307         if (l2_tunnel == NULL) {
3308                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3309                 return -EINVAL;
3310         }
3311
3312         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3313                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3314                 return -EINVAL;
3315         }
3316
3317         dev = &rte_eth_devices[port_id];
3318         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3319                                 -ENOTSUP);
3320         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3321 }
3322
3323 int
3324 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3325                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3326                                   uint32_t mask,
3327                                   uint8_t en)
3328 {
3329         struct rte_eth_dev *dev;
3330
3331         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3332
3333         if (l2_tunnel == NULL) {
3334                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3335                 return -EINVAL;
3336         }
3337
3338         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3339                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3340                 return -EINVAL;
3341         }
3342
3343         if (mask == 0) {
3344                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3345                 return -EINVAL;
3346         }
3347
3348         dev = &rte_eth_devices[port_id];
3349         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3350                                 -ENOTSUP);
3351         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3352 }