lib/librte_ether/rte_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/queue.h>
  36 #include <ctype.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #include <errno.h>
  42 #include <stdint.h>
  43 #include <inttypes.h>
  44 #include <netinet/in.h>
  45
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_interrupts.h>
  50 #include <rte_pci.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_launch.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_common.h>
  61 #include <rte_mempool.h>
  62 #include <rte_malloc.h>
  63 #include <rte_mbuf.h>
  64 #include <rte_errno.h>
  65 #include <rte_spinlock.h>
  66 #include <rte_string_fns.h>
  67
  68 #include "rte_ether.h"
  69 #include "rte_ethdev.h"
  70
  71 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  72 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  73 static struct rte_eth_dev_data *rte_eth_dev_data;
  74 static uint8_t eth_dev_last_created_port;
  75
  76 /* spinlock for eth device callbacks */
  77 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  78
  79 /* spinlock for add/remove rx callbacks */
  80 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  81
  82 /* spinlock for add/remove tx callbacks */
  83 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  84
  85 /* store statistics names and its offset in stats structure  */
  86 struct rte_eth_xstats_name_off {
  87         char name[RTE_ETH_XSTATS_NAME_SIZE];
  88         unsigned offset;
  89 };
  90
  91 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  92         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  93         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  94         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  95         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  96         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  97         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  98         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  99                 rx_nombuf)},
 100 };
 101
 102 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
 103
 104 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 105         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
 106         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 107         {"errors", offsetof(struct rte_eth_stats, q_errors)},
 108 };
 109
 110 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 111                 sizeof(rte_rxq_stats_strings[0]))
 112
 113 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 114         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 115         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 116 };
 117 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 118                 sizeof(rte_txq_stats_strings[0]))
 119
 120
 121 /**
 122  * The user application callback description.
 123  *
 124  * It contains callback address to be registered by user application,
 125  * the pointer to the parameters for callback, and the event type.
 126  */
 127 struct rte_eth_dev_callback {
 128         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 129         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 130         void *cb_arg;                           /**< Parameter for callback */
 131         void *ret_param;                        /**< Return parameter */
 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                                 rte_eth_devices[i].device) {
 183                         if (!strcmp(rte_eth_devices[i].device->name, name))
 184                                 return &rte_eth_devices[i];
 185                 }
 186         }
 187         return NULL;
 188 }
 189
 190 static uint8_t
 191 rte_eth_dev_find_free_port(void)
 192 {
 193         unsigned i;
 194
 195         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 196                 if (rte_eth_devices[i].state == RTE_ETH_DEV_UNUSED)
 197                         return i;
 198         }
 199         return RTE_MAX_ETHPORTS;
 200 }
 201
 202 static struct rte_eth_dev *
 203 eth_dev_get(uint8_t port_id)
 204 {
 205         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 206
 207         eth_dev->data = &rte_eth_dev_data[port_id];
 208         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 209         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 210
 211         eth_dev_last_created_port = port_id;
 212
 213         return eth_dev;
 214 }
 215
 216 struct rte_eth_dev *
 217 rte_eth_dev_allocate(const char *name)
 218 {
 219         uint8_t port_id;
 220         struct rte_eth_dev *eth_dev;
 221
 222         port_id = rte_eth_dev_find_free_port();
 223         if (port_id == RTE_MAX_ETHPORTS) {
 224                 RTE_PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
 225                 return NULL;
 226         }
 227
 228         if (rte_eth_dev_data == NULL)
 229                 rte_eth_dev_data_alloc();
 230
 231         if (rte_eth_dev_allocated(name) != NULL) {
 232                 RTE_PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n",
 233                                 name);
 234                 return NULL;
 235         }
 236
 237         memset(&rte_eth_dev_data[port_id], 0, sizeof(struct rte_eth_dev_data));
 238         eth_dev = eth_dev_get(port_id);
 239         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 240         eth_dev->data->port_id = port_id;
 241         eth_dev->data->mtu = ETHER_MTU;
 242
 243         return eth_dev;
 244 }
 245
 246 /*
 247  * Attach to a port already registered by the primary process, which
 248  * makes sure that the same device would have the same port id both
 249  * in the primary and secondary process.
 250  */
 251 struct rte_eth_dev *
 252 rte_eth_dev_attach_secondary(const char *name)
 253 {
 254         uint8_t i;
 255         struct rte_eth_dev *eth_dev;
 256
 257         if (rte_eth_dev_data == NULL)
 258                 rte_eth_dev_data_alloc();
 259
 260         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 261                 if (strcmp(rte_eth_dev_data[i].name, name) == 0)
 262                         break;
 263         }
 264         if (i == RTE_MAX_ETHPORTS) {
 265                 RTE_PMD_DEBUG_TRACE(
 266                         "device %s is not driven by the primary process\n",
 267                         name);
 268                 return NULL;
 269         }
 270
 271         eth_dev = eth_dev_get(i);
 272         RTE_ASSERT(eth_dev->data->port_id == i);
 273
 274         return eth_dev;
 275 }
 276
 277 int
 278 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 279 {
 280         if (eth_dev == NULL)
 281                 return -EINVAL;
 282
 283         eth_dev->state = RTE_ETH_DEV_UNUSED;
 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              rte_eth_devices[port_id].state != RTE_ETH_DEV_DEFERRED))
 293                 return 0;
 294         else
 295                 return 1;
 296 }
 297
 298 int
 299 rte_eth_dev_socket_id(uint8_t port_id)
 300 {
 301         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 302         return rte_eth_devices[port_id].data->numa_node;
 303 }
 304
 305 uint8_t
 306 rte_eth_dev_count(void)
 307 {
 308         uint8_t p;
 309         uint8_t count;
 310
 311         count = 0;
 312
 313         RTE_ETH_FOREACH_DEV(p)
 314                 count++;
 315
 316         return count;
 317 }
 318
 319 int
 320 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 321 {
 322         const char *tmp;
 323
 324         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 325
 326         if (name == NULL) {
 327                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 328                 return -EINVAL;
 329         }
 330
 331         /* shouldn't check 'rte_eth_devices[i].data',
 332          * because it might be overwritten by VDEV PMD */
 333         tmp = rte_eth_devices[port_id].device->name;
 334         strcpy(name, tmp);
 335         return 0;
 336 }
 337
 338 int
 339 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 340 {
 341         int ret;
 342         int i;
 343
 344         if (name == NULL) {
 345                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 346                 return -EINVAL;
 347         }
 348
 349         RTE_ETH_FOREACH_DEV(i) {
 350                 if (!rte_eth_devices[i].device)
 351                         continue;
 352
 353                 ret = strncmp(name, rte_eth_devices[i].device->name,
 354                                 strlen(name));
 355                 if (ret == 0) {
 356                         *port_id = i;
 357                         return 0;
 358                 }
 359         }
 360         return -ENODEV;
 361 }
 362
 363 static int
 364 rte_eth_dev_is_detachable(uint8_t port_id)
 365 {
 366         uint32_t dev_flags;
 367
 368         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 369
 370         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 371         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 372                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 373                 return 0;
 374         else
 375                 return 1;
 376 }
 377
 378 /* attach the new device, then store port_id of the device */
 379 int
 380 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 381 {
 382         int ret = -1;
 383         int current = rte_eth_dev_count();
 384         char *name = NULL;
 385         char *args = NULL;
 386
 387         if ((devargs == NULL) || (port_id == NULL)) {
 388                 ret = -EINVAL;
 389                 goto err;
 390         }
 391
 392         /* parse devargs, then retrieve device name and args */
 393         if (rte_eal_parse_devargs_str(devargs, &name, &args))
 394                 goto err;
 395
 396         ret = rte_eal_dev_attach(name, args);
 397         if (ret < 0)
 398                 goto err;
 399
 400         /* no point looking at the port count if no port exists */
 401         if (!rte_eth_dev_count()) {
 402                 RTE_LOG(ERR, EAL, "No port found for device (%s)\n", name);
 403                 ret = -1;
 404                 goto err;
 405         }
 406
 407         /* if nothing happened, there is a bug here, since some driver told us
 408          * it did attach a device, but did not create a port.
 409          */
 410         if (current == rte_eth_dev_count()) {
 411                 ret = -1;
 412                 goto err;
 413         }
 414
 415         *port_id = eth_dev_last_created_port;
 416         ret = 0;
 417
 418 err:
 419         free(name);
 420         free(args);
 421         return ret;
 422 }
 423
 424 /* detach the device, then store the name of the device */
 425 int
 426 rte_eth_dev_detach(uint8_t port_id, char *name)
 427 {
 428         int ret = -1;
 429
 430         if (name == NULL) {
 431                 ret = -EINVAL;
 432                 goto err;
 433         }
 434
 435         /* FIXME: move this to eal, once device flags are relocated there */
 436         if (rte_eth_dev_is_detachable(port_id))
 437                 goto err;
 438
 439         snprintf(name, RTE_DEV_NAME_MAX_LEN, "%s",
 440                  rte_eth_devices[port_id].device->name);
 441
 442         ret = rte_eal_dev_detach(rte_eth_devices[port_id].device);
 443         if (ret < 0)
 444                 goto err;
 445
 446         rte_eth_devices[port_id].state = RTE_ETH_DEV_UNUSED;
 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         /* Check that the device supports requested interrupts */
 753         if ((dev_conf->intr_conf.lsc == 1) &&
 754                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 755                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 756                                         dev->device->driver->name);
 757                         return -EINVAL;
 758         }
 759         if ((dev_conf->intr_conf.rmv == 1) &&
 760             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
 761                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
 762                                     dev->device->driver->name);
 763                 return -EINVAL;
 764         }
 765
 766         /*
 767          * If jumbo frames are enabled, check that the maximum RX packet
 768          * length is supported by the configured device.
 769          */
 770         if (dev_conf->rxmode.jumbo_frame == 1) {
 771                 if (dev_conf->rxmode.max_rx_pkt_len >
 772                     dev_info.max_rx_pktlen) {
 773                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 774                                 " > max valid value %u\n",
 775                                 port_id,
 776                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 777                                 (unsigned)dev_info.max_rx_pktlen);
 778                         return -EINVAL;
 779                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 780                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 781                                 " < min valid value %u\n",
 782                                 port_id,
 783                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 784                                 (unsigned)ETHER_MIN_LEN);
 785                         return -EINVAL;
 786                 }
 787         } else {
 788                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 789                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 790                         /* Use default value */
 791                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 792                                                         ETHER_MAX_LEN;
 793         }
 794
 795         /*
 796          * Setup new number of RX/TX queues and reconfigure device.
 797          */
 798         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
 799         if (diag != 0) {
 800                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
 801                                 port_id, diag);
 802                 return diag;
 803         }
 804
 805         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
 806         if (diag != 0) {
 807                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
 808                                 port_id, diag);
 809                 rte_eth_dev_rx_queue_config(dev, 0);
 810                 return diag;
 811         }
 812
 813         diag = (*dev->dev_ops->dev_configure)(dev);
 814         if (diag != 0) {
 815                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
 816                                 port_id, diag);
 817                 rte_eth_dev_rx_queue_config(dev, 0);
 818                 rte_eth_dev_tx_queue_config(dev, 0);
 819                 return diag;
 820         }
 821
 822         return 0;
 823 }
 824
 825 void
 826 _rte_eth_dev_reset(struct rte_eth_dev *dev)
 827 {
 828         if (dev->data->dev_started) {
 829                 RTE_PMD_DEBUG_TRACE(
 830                         "port %d must be stopped to allow reset\n",
 831                         dev->data->port_id);
 832                 return;
 833         }
 834
 835         rte_eth_dev_rx_queue_config(dev, 0);
 836         rte_eth_dev_tx_queue_config(dev, 0);
 837
 838         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
 839 }
 840
 841 static void
 842 rte_eth_dev_config_restore(uint8_t port_id)
 843 {
 844         struct rte_eth_dev *dev;
 845         struct rte_eth_dev_info dev_info;
 846         struct ether_addr *addr;
 847         uint16_t i;
 848         uint32_t pool = 0;
 849         uint64_t pool_mask;
 850
 851         dev = &rte_eth_devices[port_id];
 852
 853         rte_eth_dev_info_get(port_id, &dev_info);
 854
 855         /* replay MAC address configuration including default MAC */
 856         addr = &dev->data->mac_addrs[0];
 857         if (*dev->dev_ops->mac_addr_set != NULL)
 858                 (*dev->dev_ops->mac_addr_set)(dev, addr);
 859         else if (*dev->dev_ops->mac_addr_add != NULL)
 860                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
 861
 862         if (*dev->dev_ops->mac_addr_add != NULL) {
 863                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
 864                         addr = &dev->data->mac_addrs[i];
 865
 866                         /* skip zero address */
 867                         if (is_zero_ether_addr(addr))
 868                                 continue;
 869
 870                         pool = 0;
 871                         pool_mask = dev->data->mac_pool_sel[i];
 872
 873                         do {
 874                                 if (pool_mask & 1ULL)
 875                                         (*dev->dev_ops->mac_addr_add)(dev,
 876                                                 addr, i, pool);
 877                                 pool_mask >>= 1;
 878                                 pool++;
 879                         } while (pool_mask);
 880                 }
 881         }
 882
 883         /* replay promiscuous configuration */
 884         if (rte_eth_promiscuous_get(port_id) == 1)
 885                 rte_eth_promiscuous_enable(port_id);
 886         else if (rte_eth_promiscuous_get(port_id) == 0)
 887                 rte_eth_promiscuous_disable(port_id);
 888
 889         /* replay all multicast configuration */
 890         if (rte_eth_allmulticast_get(port_id) == 1)
 891                 rte_eth_allmulticast_enable(port_id);
 892         else if (rte_eth_allmulticast_get(port_id) == 0)
 893                 rte_eth_allmulticast_disable(port_id);
 894 }
 895
 896 int
 897 rte_eth_dev_start(uint8_t port_id)
 898 {
 899         struct rte_eth_dev *dev;
 900         int diag;
 901
 902         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 903
 904         dev = &rte_eth_devices[port_id];
 905
 906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 907
 908         if (dev->data->dev_started != 0) {
 909                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
 910                         " already started\n",
 911                         port_id);
 912                 return 0;
 913         }
 914
 915         diag = (*dev->dev_ops->dev_start)(dev);
 916         if (diag == 0)
 917                 dev->data->dev_started = 1;
 918         else
 919                 return diag;
 920
 921         rte_eth_dev_config_restore(port_id);
 922
 923         if (dev->data->dev_conf.intr_conf.lsc == 0) {
 924                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
 925                 (*dev->dev_ops->link_update)(dev, 0);
 926         }
 927         return 0;
 928 }
 929
 930 void
 931 rte_eth_dev_stop(uint8_t port_id)
 932 {
 933         struct rte_eth_dev *dev;
 934
 935         RTE_ETH_VALID_PORTID_OR_RET(port_id);
 936         dev = &rte_eth_devices[port_id];
 937
 938         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 939
 940         if (dev->data->dev_started == 0) {
 941                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
 942                         " already stopped\n",
 943                         port_id);
 944                 return;
 945         }
 946
 947         dev->data->dev_started = 0;
 948         (*dev->dev_ops->dev_stop)(dev);
 949 }
 950
 951 int
 952 rte_eth_dev_set_link_up(uint8_t port_id)
 953 {
 954         struct rte_eth_dev *dev;
 955
 956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 957
 958         dev = &rte_eth_devices[port_id];
 959
 960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
 961         return (*dev->dev_ops->dev_set_link_up)(dev);
 962 }
 963
 964 int
 965 rte_eth_dev_set_link_down(uint8_t port_id)
 966 {
 967         struct rte_eth_dev *dev;
 968
 969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 970
 971         dev = &rte_eth_devices[port_id];
 972
 973         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
 974         return (*dev->dev_ops->dev_set_link_down)(dev);
 975 }
 976
 977 void
 978 rte_eth_dev_close(uint8_t port_id)
 979 {
 980         struct rte_eth_dev *dev;
 981
 982         RTE_ETH_VALID_PORTID_OR_RET(port_id);
 983         dev = &rte_eth_devices[port_id];
 984
 985         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
 986         dev->data->dev_started = 0;
 987         (*dev->dev_ops->dev_close)(dev);
 988
 989         dev->data->nb_rx_queues = 0;
 990         rte_free(dev->data->rx_queues);
 991         dev->data->rx_queues = NULL;
 992         dev->data->nb_tx_queues = 0;
 993         rte_free(dev->data->tx_queues);
 994         dev->data->tx_queues = NULL;
 995 }
 996
 997 int
 998 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
 999                        uint16_t nb_rx_desc, unsigned int socket_id,
1000                        const struct rte_eth_rxconf *rx_conf,
1001                        struct rte_mempool *mp)
1002 {
1003         int ret;
1004         uint32_t mbp_buf_size;
1005         struct rte_eth_dev *dev;
1006         struct rte_eth_dev_info dev_info;
1007         void **rxq;
1008
1009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1010
1011         dev = &rte_eth_devices[port_id];
1012         if (rx_queue_id >= dev->data->nb_rx_queues) {
1013                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1014                 return -EINVAL;
1015         }
1016
1017         if (dev->data->dev_started) {
1018                 RTE_PMD_DEBUG_TRACE(
1019                     "port %d must be stopped to allow configuration\n", port_id);
1020                 return -EBUSY;
1021         }
1022
1023         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1025
1026         /*
1027          * Check the size of the mbuf data buffer.
1028          * This value must be provided in the private data of the memory pool.
1029          * First check that the memory pool has a valid private data.
1030          */
1031         rte_eth_dev_info_get(port_id, &dev_info);
1032         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1033                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1034                                 mp->name, (int) mp->private_data_size,
1035                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1036                 return -ENOSPC;
1037         }
1038         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1039
1040         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1041                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1042                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1043                                 "=%d)\n",
1044                                 mp->name,
1045                                 (int)mbp_buf_size,
1046                                 (int)(RTE_PKTMBUF_HEADROOM +
1047                                       dev_info.min_rx_bufsize),
1048                                 (int)RTE_PKTMBUF_HEADROOM,
1049                                 (int)dev_info.min_rx_bufsize);
1050                 return -EINVAL;
1051         }
1052
1053         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1054                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1055                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1056
1057                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1058                         "should be: <= %hu, = %hu, and a product of %hu\n",
1059                         nb_rx_desc,
1060                         dev_info.rx_desc_lim.nb_max,
1061                         dev_info.rx_desc_lim.nb_min,
1062                         dev_info.rx_desc_lim.nb_align);
1063                 return -EINVAL;
1064         }
1065
1066         rxq = dev->data->rx_queues;
1067         if (rxq[rx_queue_id]) {
1068                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1069                                         -ENOTSUP);
1070                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1071                 rxq[rx_queue_id] = NULL;
1072         }
1073
1074         if (rx_conf == NULL)
1075                 rx_conf = &dev_info.default_rxconf;
1076
1077         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1078                                               socket_id, rx_conf, mp);
1079         if (!ret) {
1080                 if (!dev->data->min_rx_buf_size ||
1081                     dev->data->min_rx_buf_size > mbp_buf_size)
1082                         dev->data->min_rx_buf_size = mbp_buf_size;
1083         }
1084
1085         return ret;
1086 }
1087
1088 int
1089 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1090                        uint16_t nb_tx_desc, unsigned int socket_id,
1091                        const struct rte_eth_txconf *tx_conf)
1092 {
1093         struct rte_eth_dev *dev;
1094         struct rte_eth_dev_info dev_info;
1095         void **txq;
1096
1097         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1098
1099         dev = &rte_eth_devices[port_id];
1100         if (tx_queue_id >= dev->data->nb_tx_queues) {
1101                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1102                 return -EINVAL;
1103         }
1104
1105         if (dev->data->dev_started) {
1106                 RTE_PMD_DEBUG_TRACE(
1107                     "port %d must be stopped to allow configuration\n", port_id);
1108                 return -EBUSY;
1109         }
1110
1111         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1113
1114         rte_eth_dev_info_get(port_id, &dev_info);
1115
1116         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1117             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1118             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1119                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1120                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1121                                 nb_tx_desc,
1122                                 dev_info.tx_desc_lim.nb_max,
1123                                 dev_info.tx_desc_lim.nb_min,
1124                                 dev_info.tx_desc_lim.nb_align);
1125                 return -EINVAL;
1126         }
1127
1128         txq = dev->data->tx_queues;
1129         if (txq[tx_queue_id]) {
1130                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1131                                         -ENOTSUP);
1132                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1133                 txq[tx_queue_id] = NULL;
1134         }
1135
1136         if (tx_conf == NULL)
1137                 tx_conf = &dev_info.default_txconf;
1138
1139         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1140                                                socket_id, tx_conf);
1141 }
1142
1143 void
1144 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1145                 void *userdata __rte_unused)
1146 {
1147         unsigned i;
1148
1149         for (i = 0; i < unsent; i++)
1150                 rte_pktmbuf_free(pkts[i]);
1151 }
1152
1153 void
1154 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1155                 void *userdata)
1156 {
1157         uint64_t *count = userdata;
1158         unsigned i;
1159
1160         for (i = 0; i < unsent; i++)
1161                 rte_pktmbuf_free(pkts[i]);
1162
1163         *count += unsent;
1164 }
1165
1166 int
1167 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1168                 buffer_tx_error_fn cbfn, void *userdata)
1169 {
1170         buffer->error_callback = cbfn;
1171         buffer->error_userdata = userdata;
1172         return 0;
1173 }
1174
1175 int
1176 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1177 {
1178         int ret = 0;
1179
1180         if (buffer == NULL)
1181                 return -EINVAL;
1182
1183         buffer->size = size;
1184         if (buffer->error_callback == NULL) {
1185                 ret = rte_eth_tx_buffer_set_err_callback(
1186                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1187         }
1188
1189         return ret;
1190 }
1191
1192 int
1193 rte_eth_tx_done_cleanup(uint8_t port_id, uint16_t queue_id, uint32_t free_cnt)
1194 {
1195         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1196
1197         /* Validate Input Data. Bail if not valid or not supported. */
1198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1199         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1200
1201         /* Call driver to free pending mbufs. */
1202         return (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1203                         free_cnt);
1204 }
1205
1206 void
1207 rte_eth_promiscuous_enable(uint8_t port_id)
1208 {
1209         struct rte_eth_dev *dev;
1210
1211         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1212         dev = &rte_eth_devices[port_id];
1213
1214         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1215         (*dev->dev_ops->promiscuous_enable)(dev);
1216         dev->data->promiscuous = 1;
1217 }
1218
1219 void
1220 rte_eth_promiscuous_disable(uint8_t port_id)
1221 {
1222         struct rte_eth_dev *dev;
1223
1224         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1225         dev = &rte_eth_devices[port_id];
1226
1227         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1228         dev->data->promiscuous = 0;
1229         (*dev->dev_ops->promiscuous_disable)(dev);
1230 }
1231
1232 int
1233 rte_eth_promiscuous_get(uint8_t port_id)
1234 {
1235         struct rte_eth_dev *dev;
1236
1237         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1238
1239         dev = &rte_eth_devices[port_id];
1240         return dev->data->promiscuous;
1241 }
1242
1243 void
1244 rte_eth_allmulticast_enable(uint8_t port_id)
1245 {
1246         struct rte_eth_dev *dev;
1247
1248         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1249         dev = &rte_eth_devices[port_id];
1250
1251         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1252         (*dev->dev_ops->allmulticast_enable)(dev);
1253         dev->data->all_multicast = 1;
1254 }
1255
1256 void
1257 rte_eth_allmulticast_disable(uint8_t port_id)
1258 {
1259         struct rte_eth_dev *dev;
1260
1261         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1262         dev = &rte_eth_devices[port_id];
1263
1264         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1265         dev->data->all_multicast = 0;
1266         (*dev->dev_ops->allmulticast_disable)(dev);
1267 }
1268
1269 int
1270 rte_eth_allmulticast_get(uint8_t port_id)
1271 {
1272         struct rte_eth_dev *dev;
1273
1274         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1275
1276         dev = &rte_eth_devices[port_id];
1277         return dev->data->all_multicast;
1278 }
1279
1280 static inline int
1281 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1282                                 struct rte_eth_link *link)
1283 {
1284         struct rte_eth_link *dst = link;
1285         struct rte_eth_link *src = &(dev->data->dev_link);
1286
1287         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1288                                         *(uint64_t *)src) == 0)
1289                 return -1;
1290
1291         return 0;
1292 }
1293
1294 void
1295 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1296 {
1297         struct rte_eth_dev *dev;
1298
1299         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1300         dev = &rte_eth_devices[port_id];
1301
1302         if (dev->data->dev_conf.intr_conf.lsc != 0)
1303                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1304         else {
1305                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1306                 (*dev->dev_ops->link_update)(dev, 1);
1307                 *eth_link = dev->data->dev_link;
1308         }
1309 }
1310
1311 void
1312 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1313 {
1314         struct rte_eth_dev *dev;
1315
1316         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1317         dev = &rte_eth_devices[port_id];
1318
1319         if (dev->data->dev_conf.intr_conf.lsc != 0)
1320                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1321         else {
1322                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1323                 (*dev->dev_ops->link_update)(dev, 0);
1324                 *eth_link = dev->data->dev_link;
1325         }
1326 }
1327
1328 int
1329 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1330 {
1331         struct rte_eth_dev *dev;
1332
1333         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1334
1335         dev = &rte_eth_devices[port_id];
1336         memset(stats, 0, sizeof(*stats));
1337
1338         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1339         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1340         (*dev->dev_ops->stats_get)(dev, stats);
1341         return 0;
1342 }
1343
1344 void
1345 rte_eth_stats_reset(uint8_t port_id)
1346 {
1347         struct rte_eth_dev *dev;
1348
1349         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1350         dev = &rte_eth_devices[port_id];
1351
1352         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1353         (*dev->dev_ops->stats_reset)(dev);
1354         dev->data->rx_mbuf_alloc_failed = 0;
1355 }
1356
1357 static int
1358 get_xstats_count(uint8_t port_id)
1359 {
1360         struct rte_eth_dev *dev;
1361         int count;
1362
1363         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1364         dev = &rte_eth_devices[port_id];
1365         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1366                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1367                                 NULL, 0);
1368                 if (count < 0)
1369                         return count;
1370         }
1371         if (dev->dev_ops->xstats_get_names != NULL) {
1372                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1373                 if (count < 0)
1374                         return count;
1375         } else
1376                 count = 0;
1377
1378         count += RTE_NB_STATS;
1379         count += RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1380                  RTE_NB_RXQ_STATS;
1381         count += RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS) *
1382                  RTE_NB_TXQ_STATS;
1383         return count;
1384 }
1385
1386 int
1387 rte_eth_xstats_get_id_by_name(uint8_t port_id, const char *xstat_name,
1388                 uint64_t *id)
1389 {
1390         int cnt_xstats, idx_xstat;
1391
1392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1393
1394         if (!id) {
1395                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1396                 return -ENOMEM;
1397         }
1398
1399         if (!xstat_name) {
1400                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1401                 return -ENOMEM;
1402         }
1403
1404         /* Get count */
1405         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1406         if (cnt_xstats  < 0) {
1407                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1408                 return -ENODEV;
1409         }
1410
1411         /* Get id-name lookup table */
1412         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1413
1414         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1415                         port_id, xstats_names, cnt_xstats, NULL)) {
1416                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1417                 return -1;
1418         }
1419
1420         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1421                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1422                         *id = idx_xstat;
1423                         return 0;
1424                 };
1425         }
1426
1427         return -EINVAL;
1428 }
1429
1430 int
1431 rte_eth_xstats_get_names_by_id(uint8_t port_id,
1432         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1433         uint64_t *ids)
1434 {
1435         /* Get all xstats */
1436         if (!ids) {
1437                 struct rte_eth_dev *dev;
1438                 int cnt_used_entries;
1439                 int cnt_expected_entries;
1440                 int cnt_driver_entries;
1441                 uint32_t idx, id_queue;
1442                 uint16_t num_q;
1443
1444                 cnt_expected_entries = get_xstats_count(port_id);
1445                 if (xstats_names == NULL || cnt_expected_entries < 0 ||
1446                                 (int)size < cnt_expected_entries)
1447                         return cnt_expected_entries;
1448
1449                 /* port_id checked in get_xstats_count() */
1450                 dev = &rte_eth_devices[port_id];
1451                 cnt_used_entries = 0;
1452
1453                 for (idx = 0; idx < RTE_NB_STATS; idx++) {
1454                         snprintf(xstats_names[cnt_used_entries].name,
1455                                 sizeof(xstats_names[0].name),
1456                                 "%s", rte_stats_strings[idx].name);
1457                         cnt_used_entries++;
1458                 }
1459                 num_q = RTE_MIN(dev->data->nb_rx_queues,
1460                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1461                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1462                         for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1463                                 snprintf(xstats_names[cnt_used_entries].name,
1464                                         sizeof(xstats_names[0].name),
1465                                         "rx_q%u%s",
1466                                         id_queue,
1467                                         rte_rxq_stats_strings[idx].name);
1468                                 cnt_used_entries++;
1469                         }
1470
1471                 }
1472                 num_q = RTE_MIN(dev->data->nb_tx_queues,
1473                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1474                 for (id_queue = 0; id_queue < num_q; id_queue++) {
1475                         for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1476                                 snprintf(xstats_names[cnt_used_entries].name,
1477                                         sizeof(xstats_names[0].name),
1478                                         "tx_q%u%s",
1479                                         id_queue,
1480                                         rte_txq_stats_strings[idx].name);
1481                                 cnt_used_entries++;
1482                         }
1483                 }
1484
1485                 if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1486                         /* If there are any driver-specific xstats, append them
1487                          * to end of list.
1488                          */
1489                         cnt_driver_entries =
1490                                 (*dev->dev_ops->xstats_get_names_by_id)(
1491                                 dev,
1492                                 xstats_names + cnt_used_entries,
1493                                 NULL,
1494                                 size - cnt_used_entries);
1495                         if (cnt_driver_entries < 0)
1496                                 return cnt_driver_entries;
1497                         cnt_used_entries += cnt_driver_entries;
1498
1499                 } else if (dev->dev_ops->xstats_get_names != NULL) {
1500                         /* If there are any driver-specific xstats, append them
1501                          * to end of list.
1502                          */
1503                         cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1504                                 dev,
1505                                 xstats_names + cnt_used_entries,
1506                                 size - cnt_used_entries);
1507                         if (cnt_driver_entries < 0)
1508                                 return cnt_driver_entries;
1509                         cnt_used_entries += cnt_driver_entries;
1510                 }
1511
1512                 return cnt_used_entries;
1513         }
1514         /* Get only xstats given by IDS */
1515         else {
1516                 uint16_t len, i;
1517                 struct rte_eth_xstat_name *xstats_names_copy;
1518
1519                 len = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1520
1521                 xstats_names_copy =
1522                                 malloc(sizeof(struct rte_eth_xstat_name) * len);
1523                 if (!xstats_names_copy) {
1524                         RTE_PMD_DEBUG_TRACE(
1525                              "ERROR: can't allocate memory for values_copy\n");
1526                         free(xstats_names_copy);
1527                         return -1;
1528                 }
1529
1530                 rte_eth_xstats_get_names_by_id(port_id, xstats_names_copy,
1531                                 len, NULL);
1532
1533                 for (i = 0; i < size; i++) {
1534                         if (ids[i] >= len) {
1535                                 RTE_PMD_DEBUG_TRACE(
1536                                         "ERROR: id value isn't valid\n");
1537                                 return -1;
1538                         }
1539                         strcpy(xstats_names[i].name,
1540                                         xstats_names_copy[ids[i]].name);
1541                 }
1542                 free(xstats_names_copy);
1543                 return size;
1544         }
1545 }
1546
1547 int
1548 rte_eth_xstats_get_names(uint8_t port_id,
1549         struct rte_eth_xstat_name *xstats_names,
1550         unsigned int size)
1551 {
1552         struct rte_eth_dev *dev;
1553         int cnt_used_entries;
1554         int cnt_expected_entries;
1555         int cnt_driver_entries;
1556         uint32_t idx, id_queue;
1557         uint16_t num_q;
1558
1559         cnt_expected_entries = get_xstats_count(port_id);
1560         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1561                         (int)size < cnt_expected_entries)
1562                 return cnt_expected_entries;
1563
1564         /* port_id checked in get_xstats_count() */
1565         dev = &rte_eth_devices[port_id];
1566         cnt_used_entries = 0;
1567
1568         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1569                 snprintf(xstats_names[cnt_used_entries].name,
1570                         sizeof(xstats_names[0].name),
1571                         "%s", rte_stats_strings[idx].name);
1572                 cnt_used_entries++;
1573         }
1574         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1575         for (id_queue = 0; id_queue < num_q; id_queue++) {
1576                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1577                         snprintf(xstats_names[cnt_used_entries].name,
1578                                 sizeof(xstats_names[0].name),
1579                                 "rx_q%u%s",
1580                                 id_queue, rte_rxq_stats_strings[idx].name);
1581                         cnt_used_entries++;
1582                 }
1583
1584         }
1585         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1586         for (id_queue = 0; id_queue < num_q; id_queue++) {
1587                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1588                         snprintf(xstats_names[cnt_used_entries].name,
1589                                 sizeof(xstats_names[0].name),
1590                                 "tx_q%u%s",
1591                                 id_queue, rte_txq_stats_strings[idx].name);
1592                         cnt_used_entries++;
1593                 }
1594         }
1595
1596         if (dev->dev_ops->xstats_get_names != NULL) {
1597                 /* If there are any driver-specific xstats, append them
1598                  * to end of list.
1599                  */
1600                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
1601                         dev,
1602                         xstats_names + cnt_used_entries,
1603                         size - cnt_used_entries);
1604                 if (cnt_driver_entries < 0)
1605                         return cnt_driver_entries;
1606                 cnt_used_entries += cnt_driver_entries;
1607         }
1608
1609         return cnt_used_entries;
1610 }
1611
1612 /* retrieve ethdev extended statistics */
1613 int
1614 rte_eth_xstats_get_by_id(uint8_t port_id, const uint64_t *ids, uint64_t *values,
1615         unsigned int n)
1616 {
1617         /* If need all xstats */
1618         if (!ids) {
1619                 struct rte_eth_stats eth_stats;
1620                 struct rte_eth_dev *dev;
1621                 unsigned int count = 0, i, q;
1622                 signed int xcount = 0;
1623                 uint64_t val, *stats_ptr;
1624                 uint16_t nb_rxqs, nb_txqs;
1625
1626                 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1627                 dev = &rte_eth_devices[port_id];
1628
1629                 nb_rxqs = RTE_MIN(dev->data->nb_rx_queues,
1630                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1631                 nb_txqs = RTE_MIN(dev->data->nb_tx_queues,
1632                                 RTE_ETHDEV_QUEUE_STAT_CNTRS);
1633
1634                 /* Return generic statistics */
1635                 count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1636                         (nb_txqs * RTE_NB_TXQ_STATS);
1637
1638
1639                 /* implemented by the driver */
1640                 if (dev->dev_ops->xstats_get_by_id != NULL) {
1641                         /* Retrieve the xstats from the driver at the end of the
1642                          * xstats struct. Retrieve all xstats.
1643                          */
1644                         xcount = (*dev->dev_ops->xstats_get_by_id)(dev,
1645                                         NULL,
1646                                         values ? values + count : NULL,
1647                                         (n > count) ? n - count : 0);
1648
1649                         if (xcount < 0)
1650                                 return xcount;
1651                 /* implemented by the driver */
1652                 } else if (dev->dev_ops->xstats_get != NULL) {
1653                         /* Retrieve the xstats from the driver at the end of the
1654                          * xstats struct. Retrieve all xstats.
1655                          * Compatibility for PMD without xstats_get_by_ids
1656                          */
1657                         unsigned int size = (n > count) ? n - count : 1;
1658                         struct rte_eth_xstat xstats[size];
1659
1660                         xcount = (*dev->dev_ops->xstats_get)(dev,
1661                                         values ? xstats : NULL, size);
1662
1663                         if (xcount < 0)
1664                                 return xcount;
1665
1666                         if (values != NULL)
1667                                 for (i = 0 ; i < (unsigned int)xcount; i++)
1668                                         values[i + count] = xstats[i].value;
1669                 }
1670
1671                 if (n < count + xcount || values == NULL)
1672                         return count + xcount;
1673
1674                 /* now fill the xstats structure */
1675                 count = 0;
1676                 rte_eth_stats_get(port_id, &eth_stats);
1677
1678                 /* global stats */
1679                 for (i = 0; i < RTE_NB_STATS; i++) {
1680                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1681                                                 rte_stats_strings[i].offset);
1682                         val = *stats_ptr;
1683                         values[count++] = val;
1684                 }
1685
1686                 /* per-rxq stats */
1687                 for (q = 0; q < nb_rxqs; q++) {
1688                         for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1689                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1690                                             rte_rxq_stats_strings[i].offset +
1691                                             q * sizeof(uint64_t));
1692                                 val = *stats_ptr;
1693                                 values[count++] = val;
1694                         }
1695                 }
1696
1697                 /* per-txq stats */
1698                 for (q = 0; q < nb_txqs; q++) {
1699                         for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1700                                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1701                                             rte_txq_stats_strings[i].offset +
1702                                             q * sizeof(uint64_t));
1703                                 val = *stats_ptr;
1704                                 values[count++] = val;
1705                         }
1706                 }
1707
1708                 return count + xcount;
1709         }
1710         /* Need only xstats given by IDS array */
1711         else {
1712                 uint16_t i, size;
1713                 uint64_t *values_copy;
1714
1715                 size = rte_eth_xstats_get_by_id(port_id, NULL, NULL, 0);
1716
1717                 values_copy = malloc(sizeof(*values_copy) * size);
1718                 if (!values_copy) {
1719                         RTE_PMD_DEBUG_TRACE(
1720                             "ERROR: can't allocate memory for values_copy\n");
1721                         return -1;
1722                 }
1723
1724                 rte_eth_xstats_get_by_id(port_id, NULL, values_copy, size);
1725
1726                 for (i = 0; i < n; i++) {
1727                         if (ids[i] >= size) {
1728                                 RTE_PMD_DEBUG_TRACE(
1729                                         "ERROR: id value isn't valid\n");
1730                                 return -1;
1731                         }
1732                         values[i] = values_copy[ids[i]];
1733                 }
1734                 free(values_copy);
1735                 return n;
1736         }
1737 }
1738
1739 int
1740 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats,
1741         unsigned int n)
1742 {
1743         struct rte_eth_stats eth_stats;
1744         struct rte_eth_dev *dev;
1745         unsigned int count = 0, i, q;
1746         signed int xcount = 0;
1747         uint64_t val, *stats_ptr;
1748         uint16_t nb_rxqs, nb_txqs;
1749
1750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1751
1752         dev = &rte_eth_devices[port_id];
1753
1754         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1755         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1756
1757         /* Return generic statistics */
1758         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
1759                 (nb_txqs * RTE_NB_TXQ_STATS);
1760
1761         /* implemented by the driver */
1762         if (dev->dev_ops->xstats_get != NULL) {
1763                 /* Retrieve the xstats from the driver at the end of the
1764                  * xstats struct.
1765                  */
1766                 xcount = (*dev->dev_ops->xstats_get)(dev,
1767                                      xstats ? xstats + count : NULL,
1768                                      (n > count) ? n - count : 0);
1769
1770                 if (xcount < 0)
1771                         return xcount;
1772         }
1773
1774         if (n < count + xcount || xstats == NULL)
1775                 return count + xcount;
1776
1777         /* now fill the xstats structure */
1778         count = 0;
1779         rte_eth_stats_get(port_id, &eth_stats);
1780
1781         /* global stats */
1782         for (i = 0; i < RTE_NB_STATS; i++) {
1783                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1784                                         rte_stats_strings[i].offset);
1785                 val = *stats_ptr;
1786                 xstats[count++].value = val;
1787         }
1788
1789         /* per-rxq stats */
1790         for (q = 0; q < nb_rxqs; q++) {
1791                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1792                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1793                                         rte_rxq_stats_strings[i].offset +
1794                                         q * sizeof(uint64_t));
1795                         val = *stats_ptr;
1796                         xstats[count++].value = val;
1797                 }
1798         }
1799
1800         /* per-txq stats */
1801         for (q = 0; q < nb_txqs; q++) {
1802                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1803                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1804                                         rte_txq_stats_strings[i].offset +
1805                                         q * sizeof(uint64_t));
1806                         val = *stats_ptr;
1807                         xstats[count++].value = val;
1808                 }
1809         }
1810
1811         for (i = 0; i < count; i++)
1812                 xstats[i].id = i;
1813         /* add an offset to driver-specific stats */
1814         for ( ; i < count + xcount; i++)
1815                 xstats[i].id += count;
1816
1817         return count + xcount;
1818 }
1819
1820 /* reset ethdev extended statistics */
1821 void
1822 rte_eth_xstats_reset(uint8_t port_id)
1823 {
1824         struct rte_eth_dev *dev;
1825
1826         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1827         dev = &rte_eth_devices[port_id];
1828
1829         /* implemented by the driver */
1830         if (dev->dev_ops->xstats_reset != NULL) {
1831                 (*dev->dev_ops->xstats_reset)(dev);
1832                 return;
1833         }
1834
1835         /* fallback to default */
1836         rte_eth_stats_reset(port_id);
1837 }
1838
1839 static int
1840 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1841                 uint8_t is_rx)
1842 {
1843         struct rte_eth_dev *dev;
1844
1845         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1846
1847         dev = &rte_eth_devices[port_id];
1848
1849         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1850         return (*dev->dev_ops->queue_stats_mapping_set)
1851                         (dev, queue_id, stat_idx, is_rx);
1852 }
1853
1854
1855 int
1856 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1857                 uint8_t stat_idx)
1858 {
1859         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1860                         STAT_QMAP_TX);
1861 }
1862
1863
1864 int
1865 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1866                 uint8_t stat_idx)
1867 {
1868         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1869                         STAT_QMAP_RX);
1870 }
1871
1872 int
1873 rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size)
1874 {
1875         struct rte_eth_dev *dev;
1876
1877         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1878         dev = &rte_eth_devices[port_id];
1879
1880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
1881         return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
1882 }
1883
1884 void
1885 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1886 {
1887         struct rte_eth_dev *dev;
1888         const struct rte_eth_desc_lim lim = {
1889                 .nb_max = UINT16_MAX,
1890                 .nb_min = 0,
1891                 .nb_align = 1,
1892         };
1893
1894         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1895         dev = &rte_eth_devices[port_id];
1896
1897         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1898         dev_info->rx_desc_lim = lim;
1899         dev_info->tx_desc_lim = lim;
1900
1901         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1902         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1903         dev_info->driver_name = dev->device->driver->name;
1904         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
1905         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
1906 }
1907
1908 int
1909 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
1910                                  uint32_t *ptypes, int num)
1911 {
1912         int i, j;
1913         struct rte_eth_dev *dev;
1914         const uint32_t *all_ptypes;
1915
1916         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1917         dev = &rte_eth_devices[port_id];
1918         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
1919         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
1920
1921         if (!all_ptypes)
1922                 return 0;
1923
1924         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
1925                 if (all_ptypes[i] & ptype_mask) {
1926                         if (j < num)
1927                                 ptypes[j] = all_ptypes[i];
1928                         j++;
1929                 }
1930
1931         return j;
1932 }
1933
1934 void
1935 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1936 {
1937         struct rte_eth_dev *dev;
1938
1939         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1940         dev = &rte_eth_devices[port_id];
1941         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1942 }
1943
1944
1945 int
1946 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1947 {
1948         struct rte_eth_dev *dev;
1949
1950         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1951
1952         dev = &rte_eth_devices[port_id];
1953         *mtu = dev->data->mtu;
1954         return 0;
1955 }
1956
1957 int
1958 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1959 {
1960         int ret;
1961         struct rte_eth_dev *dev;
1962
1963         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1964         dev = &rte_eth_devices[port_id];
1965         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1966
1967         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1968         if (!ret)
1969                 dev->data->mtu = mtu;
1970
1971         return ret;
1972 }
1973
1974 int
1975 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1976 {
1977         struct rte_eth_dev *dev;
1978         int ret;
1979
1980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1981         dev = &rte_eth_devices[port_id];
1982         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1983                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1984                 return -ENOSYS;
1985         }
1986
1987         if (vlan_id > 4095) {
1988                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1989                                 port_id, (unsigned) vlan_id);
1990                 return -EINVAL;
1991         }
1992         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1993
1994         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1995         if (ret == 0) {
1996                 struct rte_vlan_filter_conf *vfc;
1997                 int vidx;
1998                 int vbit;
1999
2000                 vfc = &dev->data->vlan_filter_conf;
2001                 vidx = vlan_id / 64;
2002                 vbit = vlan_id % 64;
2003
2004                 if (on)
2005                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2006                 else
2007                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2008         }
2009
2010         return ret;
2011 }
2012
2013 int
2014 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
2015 {
2016         struct rte_eth_dev *dev;
2017
2018         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2019         dev = &rte_eth_devices[port_id];
2020         if (rx_queue_id >= dev->data->nb_rx_queues) {
2021                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2022                 return -EINVAL;
2023         }
2024
2025         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2026         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2027
2028         return 0;
2029 }
2030
2031 int
2032 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
2033                                 enum rte_vlan_type vlan_type,
2034                                 uint16_t tpid)
2035 {
2036         struct rte_eth_dev *dev;
2037
2038         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2039         dev = &rte_eth_devices[port_id];
2040         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2041
2042         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
2043 }
2044
2045 int
2046 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
2047 {
2048         struct rte_eth_dev *dev;
2049         int ret = 0;
2050         int mask = 0;
2051         int cur, org = 0;
2052
2053         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2054         dev = &rte_eth_devices[port_id];
2055
2056         /*check which option changed by application*/
2057         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2058         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
2059         if (cur != org) {
2060                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
2061                 mask |= ETH_VLAN_STRIP_MASK;
2062         }
2063
2064         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2065         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
2066         if (cur != org) {
2067                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
2068                 mask |= ETH_VLAN_FILTER_MASK;
2069         }
2070
2071         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2072         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
2073         if (cur != org) {
2074                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
2075                 mask |= ETH_VLAN_EXTEND_MASK;
2076         }
2077
2078         /*no change*/
2079         if (mask == 0)
2080                 return ret;
2081
2082         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2083         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2084
2085         return ret;
2086 }
2087
2088 int
2089 rte_eth_dev_get_vlan_offload(uint8_t port_id)
2090 {
2091         struct rte_eth_dev *dev;
2092         int ret = 0;
2093
2094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2095         dev = &rte_eth_devices[port_id];
2096
2097         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
2098                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2099
2100         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
2101                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2102
2103         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
2104                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2105
2106         return ret;
2107 }
2108
2109 int
2110 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
2111 {
2112         struct rte_eth_dev *dev;
2113
2114         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2115         dev = &rte_eth_devices[port_id];
2116         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2117         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2118
2119         return 0;
2120 }
2121
2122 int
2123 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2124 {
2125         struct rte_eth_dev *dev;
2126
2127         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2128         dev = &rte_eth_devices[port_id];
2129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2130         memset(fc_conf, 0, sizeof(*fc_conf));
2131         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2132 }
2133
2134 int
2135 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2136 {
2137         struct rte_eth_dev *dev;
2138
2139         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2140         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2141                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2142                 return -EINVAL;
2143         }
2144
2145         dev = &rte_eth_devices[port_id];
2146         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2147         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2148 }
2149
2150 int
2151 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
2152 {
2153         struct rte_eth_dev *dev;
2154
2155         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2156         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2157                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2158                 return -EINVAL;
2159         }
2160
2161         dev = &rte_eth_devices[port_id];
2162         /* High water, low water validation are device specific */
2163         if  (*dev->dev_ops->priority_flow_ctrl_set)
2164                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2165         return -ENOTSUP;
2166 }
2167
2168 static int
2169 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2170                         uint16_t reta_size)
2171 {
2172         uint16_t i, num;
2173
2174         if (!reta_conf)
2175                 return -EINVAL;
2176
2177         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2178         for (i = 0; i < num; i++) {
2179                 if (reta_conf[i].mask)
2180                         return 0;
2181         }
2182
2183         return -EINVAL;
2184 }
2185
2186 static int
2187 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2188                          uint16_t reta_size,
2189                          uint16_t max_rxq)
2190 {
2191         uint16_t i, idx, shift;
2192
2193         if (!reta_conf)
2194                 return -EINVAL;
2195
2196         if (max_rxq == 0) {
2197                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2198                 return -EINVAL;
2199         }
2200
2201         for (i = 0; i < reta_size; i++) {
2202                 idx = i / RTE_RETA_GROUP_SIZE;
2203                 shift = i % RTE_RETA_GROUP_SIZE;
2204                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2205                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2206                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2207                                 "the maximum rxq index: %u\n", idx, shift,
2208                                 reta_conf[idx].reta[shift], max_rxq);
2209                         return -EINVAL;
2210                 }
2211         }
2212
2213         return 0;
2214 }
2215
2216 int
2217 rte_eth_dev_rss_reta_update(uint8_t port_id,
2218                             struct rte_eth_rss_reta_entry64 *reta_conf,
2219                             uint16_t reta_size)
2220 {
2221         struct rte_eth_dev *dev;
2222         int ret;
2223
2224         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2225         /* Check mask bits */
2226         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2227         if (ret < 0)
2228                 return ret;
2229
2230         dev = &rte_eth_devices[port_id];
2231
2232         /* Check entry value */
2233         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2234                                 dev->data->nb_rx_queues);
2235         if (ret < 0)
2236                 return ret;
2237
2238         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2239         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2240 }
2241
2242 int
2243 rte_eth_dev_rss_reta_query(uint8_t port_id,
2244                            struct rte_eth_rss_reta_entry64 *reta_conf,
2245                            uint16_t reta_size)
2246 {
2247         struct rte_eth_dev *dev;
2248         int ret;
2249
2250         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2251
2252         /* Check mask bits */
2253         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2254         if (ret < 0)
2255                 return ret;
2256
2257         dev = &rte_eth_devices[port_id];
2258         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2259         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2260 }
2261
2262 int
2263 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2264 {
2265         struct rte_eth_dev *dev;
2266         uint16_t rss_hash_protos;
2267
2268         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2269         rss_hash_protos = rss_conf->rss_hf;
2270         if ((rss_hash_protos != 0) &&
2271             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2272                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2273                                 rss_hash_protos);
2274                 return -EINVAL;
2275         }
2276         dev = &rte_eth_devices[port_id];
2277         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2278         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2279 }
2280
2281 int
2282 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2283                               struct rte_eth_rss_conf *rss_conf)
2284 {
2285         struct rte_eth_dev *dev;
2286
2287         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2288         dev = &rte_eth_devices[port_id];
2289         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2290         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2291 }
2292
2293 int
2294 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2295                                 struct rte_eth_udp_tunnel *udp_tunnel)
2296 {
2297         struct rte_eth_dev *dev;
2298
2299         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2300         if (udp_tunnel == NULL) {
2301                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2302                 return -EINVAL;
2303         }
2304
2305         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2306                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2307                 return -EINVAL;
2308         }
2309
2310         dev = &rte_eth_devices[port_id];
2311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2312         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2313 }
2314
2315 int
2316 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2317                                    struct rte_eth_udp_tunnel *udp_tunnel)
2318 {
2319         struct rte_eth_dev *dev;
2320
2321         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2322         dev = &rte_eth_devices[port_id];
2323
2324         if (udp_tunnel == NULL) {
2325                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2326                 return -EINVAL;
2327         }
2328
2329         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2330                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2331                 return -EINVAL;
2332         }
2333
2334         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2335         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2336 }
2337
2338 int
2339 rte_eth_led_on(uint8_t port_id)
2340 {
2341         struct rte_eth_dev *dev;
2342
2343         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2344         dev = &rte_eth_devices[port_id];
2345         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2346         return (*dev->dev_ops->dev_led_on)(dev);
2347 }
2348
2349 int
2350 rte_eth_led_off(uint8_t port_id)
2351 {
2352         struct rte_eth_dev *dev;
2353
2354         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2355         dev = &rte_eth_devices[port_id];
2356         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2357         return (*dev->dev_ops->dev_led_off)(dev);
2358 }
2359
2360 /*
2361  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2362  * an empty spot.
2363  */
2364 static int
2365 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2366 {
2367         struct rte_eth_dev_info dev_info;
2368         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2369         unsigned i;
2370
2371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2372         rte_eth_dev_info_get(port_id, &dev_info);
2373
2374         for (i = 0; i < dev_info.max_mac_addrs; i++)
2375                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2376                         return i;
2377
2378         return -1;
2379 }
2380
2381 static const struct ether_addr null_mac_addr;
2382
2383 int
2384 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2385                         uint32_t pool)
2386 {
2387         struct rte_eth_dev *dev;
2388         int index;
2389         uint64_t pool_mask;
2390         int ret;
2391
2392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2393         dev = &rte_eth_devices[port_id];
2394         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2395
2396         if (is_zero_ether_addr(addr)) {
2397                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2398                         port_id);
2399                 return -EINVAL;
2400         }
2401         if (pool >= ETH_64_POOLS) {
2402                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2403                 return -EINVAL;
2404         }
2405
2406         index = get_mac_addr_index(port_id, addr);
2407         if (index < 0) {
2408                 index = get_mac_addr_index(port_id, &null_mac_addr);
2409                 if (index < 0) {
2410                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2411                                 port_id);
2412                         return -ENOSPC;
2413                 }
2414         } else {
2415                 pool_mask = dev->data->mac_pool_sel[index];
2416
2417                 /* Check if both MAC address and pool is already there, and do nothing */
2418                 if (pool_mask & (1ULL << pool))
2419                         return 0;
2420         }
2421
2422         /* Update NIC */
2423         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2424
2425         if (ret == 0) {
2426                 /* Update address in NIC data structure */
2427                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2428
2429                 /* Update pool bitmap in NIC data structure */
2430                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2431         }
2432
2433         return ret;
2434 }
2435
2436 int
2437 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2438 {
2439         struct rte_eth_dev *dev;
2440         int index;
2441
2442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2443         dev = &rte_eth_devices[port_id];
2444         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2445
2446         index = get_mac_addr_index(port_id, addr);
2447         if (index == 0) {
2448                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2449                 return -EADDRINUSE;
2450         } else if (index < 0)
2451                 return 0;  /* Do nothing if address wasn't found */
2452
2453         /* Update NIC */
2454         (*dev->dev_ops->mac_addr_remove)(dev, index);
2455
2456         /* Update address in NIC data structure */
2457         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2458
2459         /* reset pool bitmap */
2460         dev->data->mac_pool_sel[index] = 0;
2461
2462         return 0;
2463 }
2464
2465 int
2466 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2467 {
2468         struct rte_eth_dev *dev;
2469
2470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2471
2472         if (!is_valid_assigned_ether_addr(addr))
2473                 return -EINVAL;
2474
2475         dev = &rte_eth_devices[port_id];
2476         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2477
2478         /* Update default address in NIC data structure */
2479         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2480
2481         (*dev->dev_ops->mac_addr_set)(dev, addr);
2482
2483         return 0;
2484 }
2485
2486
2487 /*
2488  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2489  * an empty spot.
2490  */
2491 static int
2492 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2493 {
2494         struct rte_eth_dev_info dev_info;
2495         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2496         unsigned i;
2497
2498         rte_eth_dev_info_get(port_id, &dev_info);
2499         if (!dev->data->hash_mac_addrs)
2500                 return -1;
2501
2502         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2503                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2504                         ETHER_ADDR_LEN) == 0)
2505                         return i;
2506
2507         return -1;
2508 }
2509
2510 int
2511 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2512                                 uint8_t on)
2513 {
2514         int index;
2515         int ret;
2516         struct rte_eth_dev *dev;
2517
2518         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2519
2520         dev = &rte_eth_devices[port_id];
2521         if (is_zero_ether_addr(addr)) {
2522                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2523                         port_id);
2524                 return -EINVAL;
2525         }
2526
2527         index = get_hash_mac_addr_index(port_id, addr);
2528         /* Check if it's already there, and do nothing */
2529         if ((index >= 0) && (on))
2530                 return 0;
2531
2532         if (index < 0) {
2533                 if (!on) {
2534                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2535                                 "set in UTA\n", port_id);
2536                         return -EINVAL;
2537                 }
2538
2539                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2540                 if (index < 0) {
2541                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2542                                         port_id);
2543                         return -ENOSPC;
2544                 }
2545         }
2546
2547         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2548         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2549         if (ret == 0) {
2550                 /* Update address in NIC data structure */
2551                 if (on)
2552                         ether_addr_copy(addr,
2553                                         &dev->data->hash_mac_addrs[index]);
2554                 else
2555                         ether_addr_copy(&null_mac_addr,
2556                                         &dev->data->hash_mac_addrs[index]);
2557         }
2558
2559         return ret;
2560 }
2561
2562 int
2563 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2564 {
2565         struct rte_eth_dev *dev;
2566
2567         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2568
2569         dev = &rte_eth_devices[port_id];
2570
2571         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2572         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2573 }
2574
2575 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2576                                         uint16_t tx_rate)
2577 {
2578         struct rte_eth_dev *dev;
2579         struct rte_eth_dev_info dev_info;
2580         struct rte_eth_link link;
2581
2582         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2583
2584         dev = &rte_eth_devices[port_id];
2585         rte_eth_dev_info_get(port_id, &dev_info);
2586         link = dev->data->dev_link;
2587
2588         if (queue_idx > dev_info.max_tx_queues) {
2589                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2590                                 "invalid queue id=%d\n", port_id, queue_idx);
2591                 return -EINVAL;
2592         }
2593
2594         if (tx_rate > link.link_speed) {
2595                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2596                                 "bigger than link speed= %d\n",
2597                         tx_rate, link.link_speed);
2598                 return -EINVAL;
2599         }
2600
2601         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2602         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2603 }
2604
2605 int
2606 rte_eth_mirror_rule_set(uint8_t port_id,
2607                         struct rte_eth_mirror_conf *mirror_conf,
2608                         uint8_t rule_id, uint8_t on)
2609 {
2610         struct rte_eth_dev *dev;
2611
2612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2613         if (mirror_conf->rule_type == 0) {
2614                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2615                 return -EINVAL;
2616         }
2617
2618         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2619                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2620                                 ETH_64_POOLS - 1);
2621                 return -EINVAL;
2622         }
2623
2624         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2625              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2626             (mirror_conf->pool_mask == 0)) {
2627                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2628                 return -EINVAL;
2629         }
2630
2631         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2632             mirror_conf->vlan.vlan_mask == 0) {
2633                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2634                 return -EINVAL;
2635         }
2636
2637         dev = &rte_eth_devices[port_id];
2638         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2639
2640         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2641 }
2642
2643 int
2644 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2645 {
2646         struct rte_eth_dev *dev;
2647
2648         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2649
2650         dev = &rte_eth_devices[port_id];
2651         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2652
2653         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2654 }
2655
2656 int
2657 rte_eth_dev_callback_register(uint8_t port_id,
2658                         enum rte_eth_event_type event,
2659                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2660 {
2661         struct rte_eth_dev *dev;
2662         struct rte_eth_dev_callback *user_cb;
2663
2664         if (!cb_fn)
2665                 return -EINVAL;
2666
2667         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2668
2669         dev = &rte_eth_devices[port_id];
2670         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2671
2672         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2673                 if (user_cb->cb_fn == cb_fn &&
2674                         user_cb->cb_arg == cb_arg &&
2675                         user_cb->event == event) {
2676                         break;
2677                 }
2678         }
2679
2680         /* create a new callback. */
2681         if (user_cb == NULL) {
2682                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2683                                         sizeof(struct rte_eth_dev_callback), 0);
2684                 if (user_cb != NULL) {
2685                         user_cb->cb_fn = cb_fn;
2686                         user_cb->cb_arg = cb_arg;
2687                         user_cb->event = event;
2688                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2689                 }
2690         }
2691
2692         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2693         return (user_cb == NULL) ? -ENOMEM : 0;
2694 }
2695
2696 int
2697 rte_eth_dev_callback_unregister(uint8_t port_id,
2698                         enum rte_eth_event_type event,
2699                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2700 {
2701         int ret;
2702         struct rte_eth_dev *dev;
2703         struct rte_eth_dev_callback *cb, *next;
2704
2705         if (!cb_fn)
2706                 return -EINVAL;
2707
2708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2709
2710         dev = &rte_eth_devices[port_id];
2711         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2712
2713         ret = 0;
2714         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2715
2716                 next = TAILQ_NEXT(cb, next);
2717
2718                 if (cb->cb_fn != cb_fn || cb->event != event ||
2719                                 (cb->cb_arg != (void *)-1 &&
2720                                 cb->cb_arg != cb_arg))
2721                         continue;
2722
2723                 /*
2724                  * if this callback is not executing right now,
2725                  * then remove it.
2726                  */
2727                 if (cb->active == 0) {
2728                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2729                         rte_free(cb);
2730                 } else {
2731                         ret = -EAGAIN;
2732                 }
2733         }
2734
2735         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2736         return ret;
2737 }
2738
2739 int
2740 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2741         enum rte_eth_event_type event, void *cb_arg, void *ret_param)
2742 {
2743         struct rte_eth_dev_callback *cb_lst;
2744         struct rte_eth_dev_callback dev_cb;
2745         int rc = 0;
2746
2747         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2748         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2749                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2750                         continue;
2751                 dev_cb = *cb_lst;
2752                 cb_lst->active = 1;
2753                 if (cb_arg != NULL)
2754                         dev_cb.cb_arg = cb_arg;
2755                 if (ret_param != NULL)
2756                         dev_cb.ret_param = ret_param;
2757
2758                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2759                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2760                                 dev_cb.cb_arg, dev_cb.ret_param);
2761                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2762                 cb_lst->active = 0;
2763         }
2764         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2765         return rc;
2766 }
2767
2768 int
2769 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2770 {
2771         uint32_t vec;
2772         struct rte_eth_dev *dev;
2773         struct rte_intr_handle *intr_handle;
2774         uint16_t qid;
2775         int rc;
2776
2777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2778
2779         dev = &rte_eth_devices[port_id];
2780
2781         if (!dev->intr_handle) {
2782                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2783                 return -ENOTSUP;
2784         }
2785
2786         intr_handle = dev->intr_handle;
2787         if (!intr_handle->intr_vec) {
2788                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2789                 return -EPERM;
2790         }
2791
2792         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2793                 vec = intr_handle->intr_vec[qid];
2794                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2795                 if (rc && rc != -EEXIST) {
2796                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2797                                         " op %d epfd %d vec %u\n",
2798                                         port_id, qid, op, epfd, vec);
2799                 }
2800         }
2801
2802         return 0;
2803 }
2804
2805 const struct rte_memzone *
2806 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2807                          uint16_t queue_id, size_t size, unsigned align,
2808                          int socket_id)
2809 {
2810         char z_name[RTE_MEMZONE_NAMESIZE];
2811         const struct rte_memzone *mz;
2812
2813         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2814                  dev->device->driver->name, ring_name,
2815                  dev->data->port_id, queue_id);
2816
2817         mz = rte_memzone_lookup(z_name);
2818         if (mz)
2819                 return mz;
2820
2821         if (rte_xen_dom0_supported())
2822                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2823                                                    0, align, RTE_PGSIZE_2M);
2824         else
2825                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2826                                                    0, align);
2827 }
2828
2829 int
2830 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2831                           int epfd, int op, void *data)
2832 {
2833         uint32_t vec;
2834         struct rte_eth_dev *dev;
2835         struct rte_intr_handle *intr_handle;
2836         int rc;
2837
2838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2839
2840         dev = &rte_eth_devices[port_id];
2841         if (queue_id >= dev->data->nb_rx_queues) {
2842                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2843                 return -EINVAL;
2844         }
2845
2846         if (!dev->intr_handle) {
2847                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
2848                 return -ENOTSUP;
2849         }
2850
2851         intr_handle = dev->intr_handle;
2852         if (!intr_handle->intr_vec) {
2853                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2854                 return -EPERM;
2855         }
2856
2857         vec = intr_handle->intr_vec[queue_id];
2858         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2859         if (rc && rc != -EEXIST) {
2860                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2861                                 " op %d epfd %d vec %u\n",
2862                                 port_id, queue_id, op, epfd, vec);
2863                 return rc;
2864         }
2865
2866         return 0;
2867 }
2868
2869 int
2870 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2871                            uint16_t queue_id)
2872 {
2873         struct rte_eth_dev *dev;
2874
2875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2876
2877         dev = &rte_eth_devices[port_id];
2878
2879         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2880         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2881 }
2882
2883 int
2884 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2885                             uint16_t queue_id)
2886 {
2887         struct rte_eth_dev *dev;
2888
2889         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2890
2891         dev = &rte_eth_devices[port_id];
2892
2893         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2894         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2895 }
2896
2897
2898 int
2899 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2900 {
2901         struct rte_eth_dev *dev;
2902
2903         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2904
2905         dev = &rte_eth_devices[port_id];
2906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2907         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2908                                 RTE_ETH_FILTER_NOP, NULL);
2909 }
2910
2911 int
2912 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2913                        enum rte_filter_op filter_op, void *arg)
2914 {
2915         struct rte_eth_dev *dev;
2916
2917         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2918
2919         dev = &rte_eth_devices[port_id];
2920         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2921         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2922 }
2923
2924 void *
2925 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2926                 rte_rx_callback_fn fn, void *user_param)
2927 {
2928 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2929         rte_errno = ENOTSUP;
2930         return NULL;
2931 #endif
2932         /* check input parameters */
2933         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2934                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2935                 rte_errno = EINVAL;
2936                 return NULL;
2937         }
2938         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2939
2940         if (cb == NULL) {
2941                 rte_errno = ENOMEM;
2942                 return NULL;
2943         }
2944
2945         cb->fn.rx = fn;
2946         cb->param = user_param;
2947
2948         rte_spinlock_lock(&rte_eth_rx_cb_lock);
2949         /* Add the callbacks in fifo order. */
2950         struct rte_eth_rxtx_callback *tail =
2951                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2952
2953         if (!tail) {
2954                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2955
2956         } else {
2957                 while (tail->next)
2958                         tail = tail->next;
2959                 tail->next = cb;
2960         }
2961         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
2962
2963         return cb;
2964 }
2965
2966 void *
2967 rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id,
2968                 rte_rx_callback_fn fn, void *user_param)
2969 {
2970 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2971         rte_errno = ENOTSUP;
2972         return NULL;
2973 #endif
2974         /* check input parameters */
2975         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2976                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2977                 rte_errno = EINVAL;
2978                 return NULL;
2979         }
2980
2981         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2982
2983         if (cb == NULL) {
2984                 rte_errno = ENOMEM;
2985                 return NULL;
2986         }
2987
2988         cb->fn.rx = fn;
2989         cb->param = user_param;
2990
2991         rte_spinlock_lock(&rte_eth_rx_cb_lock);
2992         /* Add the callbacks at fisrt position*/
2993         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2994         rte_smp_wmb();
2995         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2996         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
2997
2998         return cb;
2999 }
3000
3001 void *
3002 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
3003                 rte_tx_callback_fn fn, void *user_param)
3004 {
3005 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3006         rte_errno = ENOTSUP;
3007         return NULL;
3008 #endif
3009         /* check input parameters */
3010         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3011                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3012                 rte_errno = EINVAL;
3013                 return NULL;
3014         }
3015
3016         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3017
3018         if (cb == NULL) {
3019                 rte_errno = ENOMEM;
3020                 return NULL;
3021         }
3022
3023         cb->fn.tx = fn;
3024         cb->param = user_param;
3025
3026         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3027         /* Add the callbacks in fifo order. */
3028         struct rte_eth_rxtx_callback *tail =
3029                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3030
3031         if (!tail) {
3032                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3033
3034         } else {
3035                 while (tail->next)
3036                         tail = tail->next;
3037                 tail->next = cb;
3038         }
3039         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3040
3041         return cb;
3042 }
3043
3044 int
3045 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3046                 struct rte_eth_rxtx_callback *user_cb)
3047 {
3048 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3049         return -ENOTSUP;
3050 #endif
3051         /* Check input parameters. */
3052         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3053         if (user_cb == NULL ||
3054                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3055                 return -EINVAL;
3056
3057         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3058         struct rte_eth_rxtx_callback *cb;
3059         struct rte_eth_rxtx_callback **prev_cb;
3060         int ret = -EINVAL;
3061
3062         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3063         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3064         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3065                 cb = *prev_cb;
3066                 if (cb == user_cb) {
3067                         /* Remove the user cb from the callback list. */
3068                         *prev_cb = cb->next;
3069                         ret = 0;
3070                         break;
3071                 }
3072         }
3073         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3074
3075         return ret;
3076 }
3077
3078 int
3079 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3080                 struct rte_eth_rxtx_callback *user_cb)
3081 {
3082 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3083         return -ENOTSUP;
3084 #endif
3085         /* Check input parameters. */
3086         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3087         if (user_cb == NULL ||
3088                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3089                 return -EINVAL;
3090
3091         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3092         int ret = -EINVAL;
3093         struct rte_eth_rxtx_callback *cb;
3094         struct rte_eth_rxtx_callback **prev_cb;
3095
3096         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3097         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3098         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3099                 cb = *prev_cb;
3100                 if (cb == user_cb) {
3101                         /* Remove the user cb from the callback list. */
3102                         *prev_cb = cb->next;
3103                         ret = 0;
3104                         break;
3105                 }
3106         }
3107         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3108
3109         return ret;
3110 }
3111
3112 int
3113 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3114         struct rte_eth_rxq_info *qinfo)
3115 {
3116         struct rte_eth_dev *dev;
3117
3118         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3119
3120         if (qinfo == NULL)
3121                 return -EINVAL;
3122
3123         dev = &rte_eth_devices[port_id];
3124         if (queue_id >= dev->data->nb_rx_queues) {
3125                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3126                 return -EINVAL;
3127         }
3128
3129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3130
3131         memset(qinfo, 0, sizeof(*qinfo));
3132         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3133         return 0;
3134 }
3135
3136 int
3137 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3138         struct rte_eth_txq_info *qinfo)
3139 {
3140         struct rte_eth_dev *dev;
3141
3142         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3143
3144         if (qinfo == NULL)
3145                 return -EINVAL;
3146
3147         dev = &rte_eth_devices[port_id];
3148         if (queue_id >= dev->data->nb_tx_queues) {
3149                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3150                 return -EINVAL;
3151         }
3152
3153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3154
3155         memset(qinfo, 0, sizeof(*qinfo));
3156         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3157         return 0;
3158 }
3159
3160 int
3161 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3162                              struct ether_addr *mc_addr_set,
3163                              uint32_t nb_mc_addr)
3164 {
3165         struct rte_eth_dev *dev;
3166
3167         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3168
3169         dev = &rte_eth_devices[port_id];
3170         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3171         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3172 }
3173
3174 int
3175 rte_eth_timesync_enable(uint8_t port_id)
3176 {
3177         struct rte_eth_dev *dev;
3178
3179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3180         dev = &rte_eth_devices[port_id];
3181
3182         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3183         return (*dev->dev_ops->timesync_enable)(dev);
3184 }
3185
3186 int
3187 rte_eth_timesync_disable(uint8_t port_id)
3188 {
3189         struct rte_eth_dev *dev;
3190
3191         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3192         dev = &rte_eth_devices[port_id];
3193
3194         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3195         return (*dev->dev_ops->timesync_disable)(dev);
3196 }
3197
3198 int
3199 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3200                                    uint32_t flags)
3201 {
3202         struct rte_eth_dev *dev;
3203
3204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3205         dev = &rte_eth_devices[port_id];
3206
3207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3208         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3209 }
3210
3211 int
3212 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3213 {
3214         struct rte_eth_dev *dev;
3215
3216         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3217         dev = &rte_eth_devices[port_id];
3218
3219         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3220         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3221 }
3222
3223 int
3224 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3225 {
3226         struct rte_eth_dev *dev;
3227
3228         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3229         dev = &rte_eth_devices[port_id];
3230
3231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3232         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3233 }
3234
3235 int
3236 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3237 {
3238         struct rte_eth_dev *dev;
3239
3240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3241         dev = &rte_eth_devices[port_id];
3242
3243         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3244         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3245 }
3246
3247 int
3248 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3249 {
3250         struct rte_eth_dev *dev;
3251
3252         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3253         dev = &rte_eth_devices[port_id];
3254
3255         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3256         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3257 }
3258
3259 int
3260 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3261 {
3262         struct rte_eth_dev *dev;
3263
3264         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3265
3266         dev = &rte_eth_devices[port_id];
3267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3268         return (*dev->dev_ops->get_reg)(dev, info);
3269 }
3270
3271 int
3272 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3273 {
3274         struct rte_eth_dev *dev;
3275
3276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3277
3278         dev = &rte_eth_devices[port_id];
3279         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3280         return (*dev->dev_ops->get_eeprom_length)(dev);
3281 }
3282
3283 int
3284 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3285 {
3286         struct rte_eth_dev *dev;
3287
3288         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3289
3290         dev = &rte_eth_devices[port_id];
3291         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3292         return (*dev->dev_ops->get_eeprom)(dev, info);
3293 }
3294
3295 int
3296 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3297 {
3298         struct rte_eth_dev *dev;
3299
3300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3301
3302         dev = &rte_eth_devices[port_id];
3303         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3304         return (*dev->dev_ops->set_eeprom)(dev, info);
3305 }
3306
3307 int
3308 rte_eth_dev_get_dcb_info(uint8_t port_id,
3309                              struct rte_eth_dcb_info *dcb_info)
3310 {
3311         struct rte_eth_dev *dev;
3312
3313         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3314
3315         dev = &rte_eth_devices[port_id];
3316         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3317
3318         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3319         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3320 }
3321
3322 int
3323 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3324                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3325 {
3326         struct rte_eth_dev *dev;
3327
3328         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3329         if (l2_tunnel == NULL) {
3330                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3331                 return -EINVAL;
3332         }
3333
3334         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3335                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3336                 return -EINVAL;
3337         }
3338
3339         dev = &rte_eth_devices[port_id];
3340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3341                                 -ENOTSUP);
3342         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3343 }
3344
3345 int
3346 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3347                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3348                                   uint32_t mask,
3349                                   uint8_t en)
3350 {
3351         struct rte_eth_dev *dev;
3352
3353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3354
3355         if (l2_tunnel == NULL) {
3356                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3357                 return -EINVAL;
3358         }
3359
3360         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3361                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3362                 return -EINVAL;
3363         }
3364
3365         if (mask == 0) {
3366                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3367                 return -EINVAL;
3368         }
3369
3370         dev = &rte_eth_devices[port_id];
3371         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3372                                 -ENOTSUP);
3373         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3374 }
3375
3376 static void
3377 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
3378                            const struct rte_eth_desc_lim *desc_lim)
3379 {
3380         if (desc_lim->nb_align != 0)
3381                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
3382
3383         if (desc_lim->nb_max != 0)
3384                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
3385
3386         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
3387 }
3388
3389 int
3390 rte_eth_dev_adjust_nb_rx_tx_desc(uint8_t port_id,
3391                                  uint16_t *nb_rx_desc,
3392                                  uint16_t *nb_tx_desc)
3393 {
3394         struct rte_eth_dev *dev;
3395         struct rte_eth_dev_info dev_info;
3396
3397         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3398
3399         dev = &rte_eth_devices[port_id];
3400         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3401
3402         rte_eth_dev_info_get(port_id, &dev_info);
3403
3404         if (nb_rx_desc != NULL)
3405                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
3406
3407         if (nb_tx_desc != NULL)
3408                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
3409
3410         return 0;
3411 }