lib/librte_ether/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_interrupts.h>
  21 #include <rte_memory.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_memzone.h>
  24 #include <rte_launch.h>
  25 #include <rte_eal.h>
  26 #include <rte_per_lcore.h>
  27 #include <rte_lcore.h>
  28 #include <rte_atomic.h>
  29 #include <rte_branch_prediction.h>
  30 #include <rte_common.h>
  31 #include <rte_mempool.h>
  32 #include <rte_malloc.h>
  33 #include <rte_mbuf.h>
  34 #include <rte_errno.h>
  35 #include <rte_spinlock.h>
  36 #include <rte_string_fns.h>
  37
  38 #include "rte_ether.h"
  39 #include "rte_ethdev.h"
  40 #include "rte_ethdev_driver.h"
  41 #include "ethdev_profile.h"
  42
  43 static int ethdev_logtype;
  44
  45 #define ethdev_log(level, fmt, ...) \
  46         rte_log(RTE_LOG_ ## level, ethdev_logtype, fmt "\n", ## __VA_ARGS__)
  47
  48 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  49 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  50 static uint8_t eth_dev_last_created_port;
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 127         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 128         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 129         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 130 };
 131
 132 #undef RTE_RX_OFFLOAD_BIT2STR
 133
 134 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 135         { DEV_TX_OFFLOAD_##_name, #_name }
 136
 137 static const struct {
 138         uint64_t offload;
 139         const char *name;
 140 } rte_tx_offload_names[] = {
 141         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 142         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 143         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 144         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 147         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 148         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 150         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 155         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 156         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 157         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 158         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 159 };
 160
 161 #undef RTE_TX_OFFLOAD_BIT2STR
 162
 163 /**
 164  * The user application callback description.
 165  *
 166  * It contains callback address to be registered by user application,
 167  * the pointer to the parameters for callback, and the event type.
 168  */
 169 struct rte_eth_dev_callback {
 170         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 171         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 172         void *cb_arg;                           /**< Parameter for callback */
 173         void *ret_param;                        /**< Return parameter */
 174         enum rte_eth_event_type event;          /**< Interrupt event type */
 175         uint32_t active;                        /**< Callback is executing */
 176 };
 177
 178 enum {
 179         STAT_QMAP_TX = 0,
 180         STAT_QMAP_RX
 181 };
 182
 183 uint16_t
 184 rte_eth_find_next(uint16_t port_id)
 185 {
 186         while (port_id < RTE_MAX_ETHPORTS &&
 187                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 188                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 189                 port_id++;
 190
 191         if (port_id >= RTE_MAX_ETHPORTS)
 192                 return RTE_MAX_ETHPORTS;
 193
 194         return port_id;
 195 }
 196
 197 static void
 198 rte_eth_dev_shared_data_prepare(void)
 199 {
 200         const unsigned flags = 0;
 201         const struct rte_memzone *mz;
 202
 203         rte_spinlock_lock(&rte_eth_shared_data_lock);
 204
 205         if (rte_eth_dev_shared_data == NULL) {
 206                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 207                         /* Allocate port data and ownership shared memory. */
 208                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 209                                         sizeof(*rte_eth_dev_shared_data),
 210                                         rte_socket_id(), flags);
 211                 } else
 212                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 213                 if (mz == NULL)
 214                         rte_panic("Cannot allocate ethdev shared data\n");
 215
 216                 rte_eth_dev_shared_data = mz->addr;
 217                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 218                         rte_eth_dev_shared_data->next_owner_id =
 219                                         RTE_ETH_DEV_NO_OWNER + 1;
 220                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 221                         memset(rte_eth_dev_shared_data->data, 0,
 222                                sizeof(rte_eth_dev_shared_data->data));
 223                 }
 224         }
 225
 226         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 227 }
 228
 229 struct rte_eth_dev *
 230 rte_eth_dev_allocated(const char *name)
 231 {
 232         unsigned i;
 233
 234         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 235                 if ((rte_eth_devices[i].state == RTE_ETH_DEV_ATTACHED) &&
 236                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 237                         return &rte_eth_devices[i];
 238         }
 239         return NULL;
 240 }
 241
 242 static uint16_t
 243 rte_eth_dev_find_free_port(void)
 244 {
 245         unsigned i;
 246
 247         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 248                 /* Using shared name field to find a free port. */
 249                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 250                         RTE_ASSERT(rte_eth_devices[i].state ==
 251                                    RTE_ETH_DEV_UNUSED);
 252                         return i;
 253                 }
 254         }
 255         return RTE_MAX_ETHPORTS;
 256 }
 257
 258 static struct rte_eth_dev *
 259 eth_dev_get(uint16_t port_id)
 260 {
 261         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 262
 263         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 264         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 265
 266         eth_dev_last_created_port = port_id;
 267
 268         return eth_dev;
 269 }
 270
 271 struct rte_eth_dev *
 272 rte_eth_dev_allocate(const char *name)
 273 {
 274         uint16_t port_id;
 275         struct rte_eth_dev *eth_dev = NULL;
 276
 277         rte_eth_dev_shared_data_prepare();
 278
 279         /* Synchronize port creation between primary and secondary threads. */
 280         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 281
 282         port_id = rte_eth_dev_find_free_port();
 283         if (port_id == RTE_MAX_ETHPORTS) {
 284                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 285                 goto unlock;
 286         }
 287
 288         if (rte_eth_dev_allocated(name) != NULL) {
 289                 ethdev_log(ERR,
 290                         "Ethernet Device with name %s already allocated!",
 291                         name);
 292                 goto unlock;
 293         }
 294
 295         eth_dev = eth_dev_get(port_id);
 296         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 297         eth_dev->data->port_id = port_id;
 298         eth_dev->data->mtu = ETHER_MTU;
 299
 300 unlock:
 301         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 302
 303         if (eth_dev != NULL)
 304                 _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_NEW, NULL);
 305
 306         return eth_dev;
 307 }
 308
 309 /*
 310  * Attach to a port already registered by the primary process, which
 311  * makes sure that the same device would have the same port id both
 312  * in the primary and secondary process.
 313  */
 314 struct rte_eth_dev *
 315 rte_eth_dev_attach_secondary(const char *name)
 316 {
 317         uint16_t i;
 318         struct rte_eth_dev *eth_dev = NULL;
 319
 320         rte_eth_dev_shared_data_prepare();
 321
 322         /* Synchronize port attachment to primary port creation and release. */
 323         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 324
 325         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 326                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 327                         break;
 328         }
 329         if (i == RTE_MAX_ETHPORTS) {
 330                 RTE_PMD_DEBUG_TRACE(
 331                         "device %s is not driven by the primary process\n",
 332                         name);
 333         } else {
 334                 eth_dev = eth_dev_get(i);
 335                 RTE_ASSERT(eth_dev->data->port_id == i);
 336         }
 337
 338         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 339         return eth_dev;
 340 }
 341
 342 int
 343 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 344 {
 345         if (eth_dev == NULL)
 346                 return -EINVAL;
 347
 348         rte_eth_dev_shared_data_prepare();
 349
 350         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 351
 352         eth_dev->state = RTE_ETH_DEV_UNUSED;
 353
 354         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 355
 356         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 357
 358         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 359
 360         return 0;
 361 }
 362
 363 int
 364 rte_eth_dev_is_valid_port(uint16_t port_id)
 365 {
 366         if (port_id >= RTE_MAX_ETHPORTS ||
 367             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 368                 return 0;
 369         else
 370                 return 1;
 371 }
 372
 373 static int
 374 rte_eth_is_valid_owner_id(uint64_t owner_id)
 375 {
 376         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 377             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 378                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016lX.\n", owner_id);
 379                 return 0;
 380         }
 381         return 1;
 382 }
 383
 384 uint64_t
 385 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 386 {
 387         while (port_id < RTE_MAX_ETHPORTS &&
 388                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 389                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 390                rte_eth_devices[port_id].data->owner.id != owner_id))
 391                 port_id++;
 392
 393         if (port_id >= RTE_MAX_ETHPORTS)
 394                 return RTE_MAX_ETHPORTS;
 395
 396         return port_id;
 397 }
 398
 399 int __rte_experimental
 400 rte_eth_dev_owner_new(uint64_t *owner_id)
 401 {
 402         rte_eth_dev_shared_data_prepare();
 403
 404         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 405
 406         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 407
 408         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 409         return 0;
 410 }
 411
 412 static int
 413 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 414                        const struct rte_eth_dev_owner *new_owner)
 415 {
 416         struct rte_eth_dev_owner *port_owner;
 417         int sret;
 418
 419         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 420
 421         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 422             !rte_eth_is_valid_owner_id(old_owner_id))
 423                 return -EINVAL;
 424
 425         port_owner = &rte_eth_devices[port_id].data->owner;
 426         if (port_owner->id != old_owner_id) {
 427                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 428                                     " by %s_%016lX.\n", port_id,
 429                                     port_owner->name, port_owner->id);
 430                 return -EPERM;
 431         }
 432
 433         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 434                         new_owner->name);
 435         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 436                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 437                                     port_id);
 438
 439         port_owner->id = new_owner->id;
 440
 441         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016lX.\n", port_id,
 442                             new_owner->name, new_owner->id);
 443
 444         return 0;
 445 }
 446
 447 int __rte_experimental
 448 rte_eth_dev_owner_set(const uint16_t port_id,
 449                       const struct rte_eth_dev_owner *owner)
 450 {
 451         int ret;
 452
 453         rte_eth_dev_shared_data_prepare();
 454
 455         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 456
 457         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 458
 459         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 460         return ret;
 461 }
 462
 463 int __rte_experimental
 464 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 465 {
 466         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 467                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 468         int ret;
 469
 470         rte_eth_dev_shared_data_prepare();
 471
 472         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 473
 474         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 475
 476         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 477         return ret;
 478 }
 479
 480 void __rte_experimental
 481 rte_eth_dev_owner_delete(const uint64_t owner_id)
 482 {
 483         uint16_t port_id;
 484
 485         rte_eth_dev_shared_data_prepare();
 486
 487         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 488
 489         if (rte_eth_is_valid_owner_id(owner_id)) {
 490                 RTE_ETH_FOREACH_DEV_OWNED_BY(port_id, owner_id)
 491                         memset(&rte_eth_devices[port_id].data->owner, 0,
 492                                sizeof(struct rte_eth_dev_owner));
 493                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016X identifier"
 494                                     " have removed.\n", owner_id);
 495         }
 496
 497         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 498 }
 499
 500 int __rte_experimental
 501 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 502 {
 503         int ret = 0;
 504
 505         rte_eth_dev_shared_data_prepare();
 506
 507         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 508
 509         if (!rte_eth_dev_is_valid_port(port_id)) {
 510                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
 511                 ret = -ENODEV;
 512         } else {
 513                 rte_memcpy(owner, &rte_eth_devices[port_id].data->owner,
 514                            sizeof(*owner));
 515         }
 516
 517         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 518         return ret;
 519 }
 520
 521 int
 522 rte_eth_dev_socket_id(uint16_t port_id)
 523 {
 524         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 525         return rte_eth_devices[port_id].data->numa_node;
 526 }
 527
 528 void *
 529 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 530 {
 531         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 532         return rte_eth_devices[port_id].security_ctx;
 533 }
 534
 535 uint16_t
 536 rte_eth_dev_count(void)
 537 {
 538         return rte_eth_dev_count_avail();
 539 }
 540
 541 uint16_t
 542 rte_eth_dev_count_avail(void)
 543 {
 544         uint16_t p;
 545         uint16_t count;
 546
 547         count = 0;
 548
 549         RTE_ETH_FOREACH_DEV(p)
 550                 count++;
 551
 552         return count;
 553 }
 554
 555 uint16_t __rte_experimental
 556 rte_eth_dev_count_total(void)
 557 {
 558         uint16_t port, count = 0;
 559
 560         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 561                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 562                         count++;
 563
 564         return count;
 565 }
 566
 567 int
 568 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 569 {
 570         char *tmp;
 571
 572         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 573
 574         if (name == NULL) {
 575                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 576                 return -EINVAL;
 577         }
 578
 579         /* shouldn't check 'rte_eth_devices[i].data',
 580          * because it might be overwritten by VDEV PMD */
 581         tmp = rte_eth_dev_shared_data->data[port_id].name;
 582         strcpy(name, tmp);
 583         return 0;
 584 }
 585
 586 int
 587 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 588 {
 589         uint32_t pid;
 590
 591         if (name == NULL) {
 592                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 593                 return -EINVAL;
 594         }
 595
 596         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 597                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 598                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 599                         *port_id = pid;
 600                         return 0;
 601                 }
 602         }
 603
 604         return -ENODEV;
 605 }
 606
 607 static int
 608 eth_err(uint16_t port_id, int ret)
 609 {
 610         if (ret == 0)
 611                 return 0;
 612         if (rte_eth_dev_is_removed(port_id))
 613                 return -EIO;
 614         return ret;
 615 }
 616
 617 /* attach the new device, then store port_id of the device */
 618 int
 619 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 620 {
 621         int current = rte_eth_dev_count_total();
 622         struct rte_devargs da;
 623         int ret = -1;
 624
 625         memset(&da, 0, sizeof(da));
 626
 627         if ((devargs == NULL) || (port_id == NULL)) {
 628                 ret = -EINVAL;
 629                 goto err;
 630         }
 631
 632         /* parse devargs */
 633         if (rte_devargs_parse(&da, "%s", devargs))
 634                 goto err;
 635
 636         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 637         if (ret < 0)
 638                 goto err;
 639
 640         /* no point looking at the port count if no port exists */
 641         if (!rte_eth_dev_count_total()) {
 642                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 643                 ret = -1;
 644                 goto err;
 645         }
 646
 647         /* if nothing happened, there is a bug here, since some driver told us
 648          * it did attach a device, but did not create a port.
 649          * FIXME: race condition in case of plug-out of another device
 650          */
 651         if (current == rte_eth_dev_count_total()) {
 652                 ret = -1;
 653                 goto err;
 654         }
 655
 656         *port_id = eth_dev_last_created_port;
 657         ret = 0;
 658
 659 err:
 660         free(da.args);
 661         return ret;
 662 }
 663
 664 /* detach the device, then store the name of the device */
 665 int
 666 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 667 {
 668         struct rte_device *dev;
 669         struct rte_bus *bus;
 670         uint32_t dev_flags;
 671         int ret = -1;
 672
 673         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 674
 675         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 676         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 677                 ethdev_log(ERR,
 678                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 679                 return -ENOTSUP;
 680         }
 681
 682         dev = rte_eth_devices[port_id].device;
 683         if (dev == NULL)
 684                 return -EINVAL;
 685
 686         bus = rte_bus_find_by_device(dev);
 687         if (bus == NULL)
 688                 return -ENOENT;
 689
 690         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 691         if (ret < 0)
 692                 return ret;
 693
 694         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 695         return 0;
 696 }
 697
 698 static int
 699 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 700 {
 701         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 702         void **rxq;
 703         unsigned i;
 704
 705         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 706                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 707                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 708                                 RTE_CACHE_LINE_SIZE);
 709                 if (dev->data->rx_queues == NULL) {
 710                         dev->data->nb_rx_queues = 0;
 711                         return -(ENOMEM);
 712                 }
 713         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 714                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 715
 716                 rxq = dev->data->rx_queues;
 717
 718                 for (i = nb_queues; i < old_nb_queues; i++)
 719                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 720                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 721                                 RTE_CACHE_LINE_SIZE);
 722                 if (rxq == NULL)
 723                         return -(ENOMEM);
 724                 if (nb_queues > old_nb_queues) {
 725                         uint16_t new_qs = nb_queues - old_nb_queues;
 726
 727                         memset(rxq + old_nb_queues, 0,
 728                                 sizeof(rxq[0]) * new_qs);
 729                 }
 730
 731                 dev->data->rx_queues = rxq;
 732
 733         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 734                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 735
 736                 rxq = dev->data->rx_queues;
 737
 738                 for (i = nb_queues; i < old_nb_queues; i++)
 739                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 740
 741                 rte_free(dev->data->rx_queues);
 742                 dev->data->rx_queues = NULL;
 743         }
 744         dev->data->nb_rx_queues = nb_queues;
 745         return 0;
 746 }
 747
 748 int
 749 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 750 {
 751         struct rte_eth_dev *dev;
 752
 753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 754
 755         dev = &rte_eth_devices[port_id];
 756         if (!dev->data->dev_started) {
 757                 RTE_PMD_DEBUG_TRACE(
 758                     "port %d must be started before start any queue\n", port_id);
 759                 return -EINVAL;
 760         }
 761
 762         if (rx_queue_id >= dev->data->nb_rx_queues) {
 763                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 764                 return -EINVAL;
 765         }
 766
 767         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 768
 769         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 770                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 771                         " already started\n",
 772                         rx_queue_id, port_id);
 773                 return 0;
 774         }
 775
 776         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 777                                                              rx_queue_id));
 778
 779 }
 780
 781 int
 782 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 783 {
 784         struct rte_eth_dev *dev;
 785
 786         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 787
 788         dev = &rte_eth_devices[port_id];
 789         if (rx_queue_id >= dev->data->nb_rx_queues) {
 790                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 791                 return -EINVAL;
 792         }
 793
 794         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 795
 796         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 797                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 798                         " already stopped\n",
 799                         rx_queue_id, port_id);
 800                 return 0;
 801         }
 802
 803         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 804
 805 }
 806
 807 int
 808 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 809 {
 810         struct rte_eth_dev *dev;
 811
 812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 813
 814         dev = &rte_eth_devices[port_id];
 815         if (!dev->data->dev_started) {
 816                 RTE_PMD_DEBUG_TRACE(
 817                     "port %d must be started before start any queue\n", port_id);
 818                 return -EINVAL;
 819         }
 820
 821         if (tx_queue_id >= dev->data->nb_tx_queues) {
 822                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 823                 return -EINVAL;
 824         }
 825
 826         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 827
 828         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 829                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 830                         " already started\n",
 831                         tx_queue_id, port_id);
 832                 return 0;
 833         }
 834
 835         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 836                                                              tx_queue_id));
 837
 838 }
 839
 840 int
 841 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 842 {
 843         struct rte_eth_dev *dev;
 844
 845         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 846
 847         dev = &rte_eth_devices[port_id];
 848         if (tx_queue_id >= dev->data->nb_tx_queues) {
 849                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 850                 return -EINVAL;
 851         }
 852
 853         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 854
 855         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 856                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 857                         " already stopped\n",
 858                         tx_queue_id, port_id);
 859                 return 0;
 860         }
 861
 862         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 863
 864 }
 865
 866 static int
 867 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 868 {
 869         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 870         void **txq;
 871         unsigned i;
 872
 873         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 874                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 875                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 876                                                    RTE_CACHE_LINE_SIZE);
 877                 if (dev->data->tx_queues == NULL) {
 878                         dev->data->nb_tx_queues = 0;
 879                         return -(ENOMEM);
 880                 }
 881         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 882                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 883
 884                 txq = dev->data->tx_queues;
 885
 886                 for (i = nb_queues; i < old_nb_queues; i++)
 887                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 888                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 889                                   RTE_CACHE_LINE_SIZE);
 890                 if (txq == NULL)
 891                         return -ENOMEM;
 892                 if (nb_queues > old_nb_queues) {
 893                         uint16_t new_qs = nb_queues - old_nb_queues;
 894
 895                         memset(txq + old_nb_queues, 0,
 896                                sizeof(txq[0]) * new_qs);
 897                 }
 898
 899                 dev->data->tx_queues = txq;
 900
 901         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 902                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 903
 904                 txq = dev->data->tx_queues;
 905
 906                 for (i = nb_queues; i < old_nb_queues; i++)
 907                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 908
 909                 rte_free(dev->data->tx_queues);
 910                 dev->data->tx_queues = NULL;
 911         }
 912         dev->data->nb_tx_queues = nb_queues;
 913         return 0;
 914 }
 915
 916 uint32_t
 917 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 918 {
 919         switch (speed) {
 920         case ETH_SPEED_NUM_10M:
 921                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 922         case ETH_SPEED_NUM_100M:
 923                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 924         case ETH_SPEED_NUM_1G:
 925                 return ETH_LINK_SPEED_1G;
 926         case ETH_SPEED_NUM_2_5G:
 927                 return ETH_LINK_SPEED_2_5G;
 928         case ETH_SPEED_NUM_5G:
 929                 return ETH_LINK_SPEED_5G;
 930         case ETH_SPEED_NUM_10G:
 931                 return ETH_LINK_SPEED_10G;
 932         case ETH_SPEED_NUM_20G:
 933                 return ETH_LINK_SPEED_20G;
 934         case ETH_SPEED_NUM_25G:
 935                 return ETH_LINK_SPEED_25G;
 936         case ETH_SPEED_NUM_40G:
 937                 return ETH_LINK_SPEED_40G;
 938         case ETH_SPEED_NUM_50G:
 939                 return ETH_LINK_SPEED_50G;
 940         case ETH_SPEED_NUM_56G:
 941                 return ETH_LINK_SPEED_56G;
 942         case ETH_SPEED_NUM_100G:
 943                 return ETH_LINK_SPEED_100G;
 944         default:
 945                 return 0;
 946         }
 947 }
 948
 949 /**
 950  * A conversion function from rxmode bitfield API.
 951  */
 952 static void
 953 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 954                                     uint64_t *rx_offloads)
 955 {
 956         uint64_t offloads = 0;
 957
 958         if (rxmode->header_split == 1)
 959                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 960         if (rxmode->hw_ip_checksum == 1)
 961                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 962         if (rxmode->hw_vlan_filter == 1)
 963                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 964         if (rxmode->hw_vlan_strip == 1)
 965                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 966         if (rxmode->hw_vlan_extend == 1)
 967                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 968         if (rxmode->jumbo_frame == 1)
 969                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 970         if (rxmode->hw_strip_crc == 1)
 971                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 972         if (rxmode->enable_scatter == 1)
 973                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 974         if (rxmode->enable_lro == 1)
 975                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 976         if (rxmode->hw_timestamp == 1)
 977                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
 978         if (rxmode->security == 1)
 979                 offloads |= DEV_RX_OFFLOAD_SECURITY;
 980
 981         *rx_offloads = offloads;
 982 }
 983
 984 const char * __rte_experimental
 985 rte_eth_dev_rx_offload_name(uint64_t offload)
 986 {
 987         const char *name = "UNKNOWN";
 988         unsigned int i;
 989
 990         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
 991                 if (offload == rte_rx_offload_names[i].offload) {
 992                         name = rte_rx_offload_names[i].name;
 993                         break;
 994                 }
 995         }
 996
 997         return name;
 998 }
 999
1000 const char * __rte_experimental
1001 rte_eth_dev_tx_offload_name(uint64_t offload)
1002 {
1003         const char *name = "UNKNOWN";
1004         unsigned int i;
1005
1006         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1007                 if (offload == rte_tx_offload_names[i].offload) {
1008                         name = rte_tx_offload_names[i].name;
1009                         break;
1010                 }
1011         }
1012
1013         return name;
1014 }
1015
1016 int
1017 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1018                       const struct rte_eth_conf *dev_conf)
1019 {
1020         struct rte_eth_dev *dev;
1021         struct rte_eth_dev_info dev_info;
1022         struct rte_eth_conf local_conf = *dev_conf;
1023         int diag;
1024
1025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1026
1027         dev = &rte_eth_devices[port_id];
1028
1029         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1030         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
1031
1032         /* If number of queues specified by application for both Rx and Tx is
1033          * zero, use driver preferred values. This cannot be done individually
1034          * as it is valid for either Tx or Rx (but not both) to be zero.
1035          * If driver does not provide any preferred valued, fall back on
1036          * EAL defaults.
1037          */
1038         if (nb_rx_q == 0 && nb_tx_q == 0) {
1039                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1040                 if (nb_rx_q == 0)
1041                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1042                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1043                 if (nb_tx_q == 0)
1044                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1045         }
1046
1047         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1048                 RTE_PMD_DEBUG_TRACE(
1049                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1050                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1051                 return -EINVAL;
1052         }
1053
1054         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1055                 RTE_PMD_DEBUG_TRACE(
1056                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1057                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1058                 return -EINVAL;
1059         }
1060
1061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1063
1064         if (dev->data->dev_started) {
1065                 RTE_PMD_DEBUG_TRACE(
1066                     "port %d must be stopped to allow configuration\n", port_id);
1067                 return -EBUSY;
1068         }
1069
1070         /*
1071          * Convert between the offloads API to enable PMDs to support
1072          * only one of them.
1073          */
1074         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1075                 rte_eth_convert_rx_offload_bitfield(
1076                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1077
1078         /* Copy the dev_conf parameter into the dev structure */
1079         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1080
1081         /*
1082          * Check that the numbers of RX and TX queues are not greater
1083          * than the maximum number of RX and TX queues supported by the
1084          * configured device.
1085          */
1086         if (nb_rx_q > dev_info.max_rx_queues) {
1087                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1088                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1089                 return -EINVAL;
1090         }
1091
1092         if (nb_tx_q > dev_info.max_tx_queues) {
1093                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1094                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1095                 return -EINVAL;
1096         }
1097
1098         /* Check that the device supports requested interrupts */
1099         if ((dev_conf->intr_conf.lsc == 1) &&
1100                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1101                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1102                                         dev->device->driver->name);
1103                         return -EINVAL;
1104         }
1105         if ((dev_conf->intr_conf.rmv == 1) &&
1106             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1107                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1108                                     dev->device->driver->name);
1109                 return -EINVAL;
1110         }
1111
1112         /*
1113          * If jumbo frames are enabled, check that the maximum RX packet
1114          * length is supported by the configured device.
1115          */
1116         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1117                 if (dev_conf->rxmode.max_rx_pkt_len >
1118                     dev_info.max_rx_pktlen) {
1119                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1120                                 " > max valid value %u\n",
1121                                 port_id,
1122                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1123                                 (unsigned)dev_info.max_rx_pktlen);
1124                         return -EINVAL;
1125                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1126                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1127                                 " < min valid value %u\n",
1128                                 port_id,
1129                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1130                                 (unsigned)ETHER_MIN_LEN);
1131                         return -EINVAL;
1132                 }
1133         } else {
1134                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1135                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1136                         /* Use default value */
1137                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1138                                                         ETHER_MAX_LEN;
1139         }
1140
1141         /* Check that device supports requested rss hash functions. */
1142         if ((dev_info.flow_type_rss_offloads |
1143              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1144             dev_info.flow_type_rss_offloads) {
1145                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1146                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1147                                     port_id,
1148                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1149                                     dev_info.flow_type_rss_offloads);
1150                 return -EINVAL;
1151         }
1152
1153         /*
1154          * Setup new number of RX/TX queues and reconfigure device.
1155          */
1156         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1157         if (diag != 0) {
1158                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1159                                 port_id, diag);
1160                 return diag;
1161         }
1162
1163         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1164         if (diag != 0) {
1165                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1166                                 port_id, diag);
1167                 rte_eth_dev_rx_queue_config(dev, 0);
1168                 return diag;
1169         }
1170
1171         diag = (*dev->dev_ops->dev_configure)(dev);
1172         if (diag != 0) {
1173                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1174                                 port_id, diag);
1175                 rte_eth_dev_rx_queue_config(dev, 0);
1176                 rte_eth_dev_tx_queue_config(dev, 0);
1177                 return eth_err(port_id, diag);
1178         }
1179
1180         /* Initialize Rx profiling if enabled at compilation time. */
1181         diag = __rte_eth_profile_rx_init(port_id, dev);
1182         if (diag != 0) {
1183                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1184                                 port_id, diag);
1185                 rte_eth_dev_rx_queue_config(dev, 0);
1186                 rte_eth_dev_tx_queue_config(dev, 0);
1187                 return eth_err(port_id, diag);
1188         }
1189
1190         return 0;
1191 }
1192
1193 void
1194 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1195 {
1196         if (dev->data->dev_started) {
1197                 RTE_PMD_DEBUG_TRACE(
1198                         "port %d must be stopped to allow reset\n",
1199                         dev->data->port_id);
1200                 return;
1201         }
1202
1203         rte_eth_dev_rx_queue_config(dev, 0);
1204         rte_eth_dev_tx_queue_config(dev, 0);
1205
1206         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1207 }
1208
1209 static void
1210 rte_eth_dev_config_restore(uint16_t port_id)
1211 {
1212         struct rte_eth_dev *dev;
1213         struct rte_eth_dev_info dev_info;
1214         struct ether_addr *addr;
1215         uint16_t i;
1216         uint32_t pool = 0;
1217         uint64_t pool_mask;
1218
1219         dev = &rte_eth_devices[port_id];
1220
1221         rte_eth_dev_info_get(port_id, &dev_info);
1222
1223         /* replay MAC address configuration including default MAC */
1224         addr = &dev->data->mac_addrs[0];
1225         if (*dev->dev_ops->mac_addr_set != NULL)
1226                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1227         else if (*dev->dev_ops->mac_addr_add != NULL)
1228                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1229
1230         if (*dev->dev_ops->mac_addr_add != NULL) {
1231                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1232                         addr = &dev->data->mac_addrs[i];
1233
1234                         /* skip zero address */
1235                         if (is_zero_ether_addr(addr))
1236                                 continue;
1237
1238                         pool = 0;
1239                         pool_mask = dev->data->mac_pool_sel[i];
1240
1241                         do {
1242                                 if (pool_mask & 1ULL)
1243                                         (*dev->dev_ops->mac_addr_add)(dev,
1244                                                 addr, i, pool);
1245                                 pool_mask >>= 1;
1246                                 pool++;
1247                         } while (pool_mask);
1248                 }
1249         }
1250
1251         /* replay promiscuous configuration */
1252         if (rte_eth_promiscuous_get(port_id) == 1)
1253                 rte_eth_promiscuous_enable(port_id);
1254         else if (rte_eth_promiscuous_get(port_id) == 0)
1255                 rte_eth_promiscuous_disable(port_id);
1256
1257         /* replay all multicast configuration */
1258         if (rte_eth_allmulticast_get(port_id) == 1)
1259                 rte_eth_allmulticast_enable(port_id);
1260         else if (rte_eth_allmulticast_get(port_id) == 0)
1261                 rte_eth_allmulticast_disable(port_id);
1262 }
1263
1264 int
1265 rte_eth_dev_start(uint16_t port_id)
1266 {
1267         struct rte_eth_dev *dev;
1268         int diag;
1269
1270         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1271
1272         dev = &rte_eth_devices[port_id];
1273
1274         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1275
1276         if (dev->data->dev_started != 0) {
1277                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1278                         " already started\n",
1279                         port_id);
1280                 return 0;
1281         }
1282
1283         diag = (*dev->dev_ops->dev_start)(dev);
1284         if (diag == 0)
1285                 dev->data->dev_started = 1;
1286         else
1287                 return eth_err(port_id, diag);
1288
1289         rte_eth_dev_config_restore(port_id);
1290
1291         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1292                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1293                 (*dev->dev_ops->link_update)(dev, 0);
1294         }
1295         return 0;
1296 }
1297
1298 void
1299 rte_eth_dev_stop(uint16_t port_id)
1300 {
1301         struct rte_eth_dev *dev;
1302
1303         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1304         dev = &rte_eth_devices[port_id];
1305
1306         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1307
1308         if (dev->data->dev_started == 0) {
1309                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1310                         " already stopped\n",
1311                         port_id);
1312                 return;
1313         }
1314
1315         dev->data->dev_started = 0;
1316         (*dev->dev_ops->dev_stop)(dev);
1317 }
1318
1319 int
1320 rte_eth_dev_set_link_up(uint16_t port_id)
1321 {
1322         struct rte_eth_dev *dev;
1323
1324         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1325
1326         dev = &rte_eth_devices[port_id];
1327
1328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1329         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1330 }
1331
1332 int
1333 rte_eth_dev_set_link_down(uint16_t port_id)
1334 {
1335         struct rte_eth_dev *dev;
1336
1337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1338
1339         dev = &rte_eth_devices[port_id];
1340
1341         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1342         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1343 }
1344
1345 void
1346 rte_eth_dev_close(uint16_t port_id)
1347 {
1348         struct rte_eth_dev *dev;
1349
1350         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1351         dev = &rte_eth_devices[port_id];
1352
1353         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1354         dev->data->dev_started = 0;
1355         (*dev->dev_ops->dev_close)(dev);
1356
1357         dev->data->nb_rx_queues = 0;
1358         rte_free(dev->data->rx_queues);
1359         dev->data->rx_queues = NULL;
1360         dev->data->nb_tx_queues = 0;
1361         rte_free(dev->data->tx_queues);
1362         dev->data->tx_queues = NULL;
1363 }
1364
1365 int
1366 rte_eth_dev_reset(uint16_t port_id)
1367 {
1368         struct rte_eth_dev *dev;
1369         int ret;
1370
1371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1372         dev = &rte_eth_devices[port_id];
1373
1374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1375
1376         rte_eth_dev_stop(port_id);
1377         ret = dev->dev_ops->dev_reset(dev);
1378
1379         return eth_err(port_id, ret);
1380 }
1381
1382 int __rte_experimental
1383 rte_eth_dev_is_removed(uint16_t port_id)
1384 {
1385         struct rte_eth_dev *dev;
1386         int ret;
1387
1388         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1389
1390         dev = &rte_eth_devices[port_id];
1391
1392         if (dev->state == RTE_ETH_DEV_REMOVED)
1393                 return 1;
1394
1395         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1396
1397         ret = dev->dev_ops->is_removed(dev);
1398         if (ret != 0)
1399                 /* Device is physically removed. */
1400                 dev->state = RTE_ETH_DEV_REMOVED;
1401
1402         return ret;
1403 }
1404
1405 int
1406 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1407                        uint16_t nb_rx_desc, unsigned int socket_id,
1408                        const struct rte_eth_rxconf *rx_conf,
1409                        struct rte_mempool *mp)
1410 {
1411         int ret;
1412         uint32_t mbp_buf_size;
1413         struct rte_eth_dev *dev;
1414         struct rte_eth_dev_info dev_info;
1415         struct rte_eth_rxconf local_conf;
1416         void **rxq;
1417
1418         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1419
1420         dev = &rte_eth_devices[port_id];
1421         if (rx_queue_id >= dev->data->nb_rx_queues) {
1422                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1423                 return -EINVAL;
1424         }
1425
1426         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1427         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1428
1429         /*
1430          * Check the size of the mbuf data buffer.
1431          * This value must be provided in the private data of the memory pool.
1432          * First check that the memory pool has a valid private data.
1433          */
1434         rte_eth_dev_info_get(port_id, &dev_info);
1435         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1436                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1437                                 mp->name, (int) mp->private_data_size,
1438                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1439                 return -ENOSPC;
1440         }
1441         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1442
1443         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1444                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1445                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1446                                 "=%d)\n",
1447                                 mp->name,
1448                                 (int)mbp_buf_size,
1449                                 (int)(RTE_PKTMBUF_HEADROOM +
1450                                       dev_info.min_rx_bufsize),
1451                                 (int)RTE_PKTMBUF_HEADROOM,
1452                                 (int)dev_info.min_rx_bufsize);
1453                 return -EINVAL;
1454         }
1455
1456         /* Use default specified by driver, if nb_rx_desc is zero */
1457         if (nb_rx_desc == 0) {
1458                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1459                 /* If driver default is also zero, fall back on EAL default */
1460                 if (nb_rx_desc == 0)
1461                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1462         }
1463
1464         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1465                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1466                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1467
1468                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1469                         "should be: <= %hu, = %hu, and a product of %hu\n",
1470                         nb_rx_desc,
1471                         dev_info.rx_desc_lim.nb_max,
1472                         dev_info.rx_desc_lim.nb_min,
1473                         dev_info.rx_desc_lim.nb_align);
1474                 return -EINVAL;
1475         }
1476
1477         if (dev->data->dev_started &&
1478                 !(dev_info.dev_capa &
1479                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1480                 return -EBUSY;
1481
1482         if (dev->data->rx_queue_state[rx_queue_id] !=
1483                 RTE_ETH_QUEUE_STATE_STOPPED)
1484                 return -EBUSY;
1485
1486         rxq = dev->data->rx_queues;
1487         if (rxq[rx_queue_id]) {
1488                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1489                                         -ENOTSUP);
1490                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1491                 rxq[rx_queue_id] = NULL;
1492         }
1493
1494         if (rx_conf == NULL)
1495                 rx_conf = &dev_info.default_rxconf;
1496
1497         local_conf = *rx_conf;
1498         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1499                 /**
1500                  * Reflect port offloads to queue offloads in order for
1501                  * offloads to not be discarded.
1502                  */
1503                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1504                                                     &local_conf.offloads);
1505         }
1506
1507         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1508                                               socket_id, &local_conf, mp);
1509         if (!ret) {
1510                 if (!dev->data->min_rx_buf_size ||
1511                     dev->data->min_rx_buf_size > mbp_buf_size)
1512                         dev->data->min_rx_buf_size = mbp_buf_size;
1513         }
1514
1515         return eth_err(port_id, ret);
1516 }
1517
1518 /**
1519  * A conversion function from txq_flags API.
1520  */
1521 static void
1522 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1523 {
1524         uint64_t offloads = 0;
1525
1526         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1527                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1528         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1529                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1530         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1531                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1532         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1533                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1534         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1535                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1536         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1537             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1538                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1539
1540         *tx_offloads = offloads;
1541 }
1542
1543 int
1544 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1545                        uint16_t nb_tx_desc, unsigned int socket_id,
1546                        const struct rte_eth_txconf *tx_conf)
1547 {
1548         struct rte_eth_dev *dev;
1549         struct rte_eth_dev_info dev_info;
1550         struct rte_eth_txconf local_conf;
1551         void **txq;
1552
1553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1554
1555         dev = &rte_eth_devices[port_id];
1556         if (tx_queue_id >= dev->data->nb_tx_queues) {
1557                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1558                 return -EINVAL;
1559         }
1560
1561         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1562         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1563
1564         rte_eth_dev_info_get(port_id, &dev_info);
1565
1566         /* Use default specified by driver, if nb_tx_desc is zero */
1567         if (nb_tx_desc == 0) {
1568                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1569                 /* If driver default is zero, fall back on EAL default */
1570                 if (nb_tx_desc == 0)
1571                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1572         }
1573         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1574             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1575             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1576                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1577                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1578                                 nb_tx_desc,
1579                                 dev_info.tx_desc_lim.nb_max,
1580                                 dev_info.tx_desc_lim.nb_min,
1581                                 dev_info.tx_desc_lim.nb_align);
1582                 return -EINVAL;
1583         }
1584
1585         if (dev->data->dev_started &&
1586                 !(dev_info.dev_capa &
1587                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1588                 return -EBUSY;
1589
1590         if (dev->data->tx_queue_state[tx_queue_id] !=
1591                 RTE_ETH_QUEUE_STATE_STOPPED)
1592                 return -EBUSY;
1593
1594         txq = dev->data->tx_queues;
1595         if (txq[tx_queue_id]) {
1596                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1597                                         -ENOTSUP);
1598                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1599                 txq[tx_queue_id] = NULL;
1600         }
1601
1602         if (tx_conf == NULL)
1603                 tx_conf = &dev_info.default_txconf;
1604
1605         /*
1606          * Convert between the offloads API to enable PMDs to support
1607          * only one of them.
1608          */
1609         local_conf = *tx_conf;
1610         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1611                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1612                                           &local_conf.offloads);
1613         }
1614
1615         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1616                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1617 }
1618
1619 void
1620 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1621                 void *userdata __rte_unused)
1622 {
1623         unsigned i;
1624
1625         for (i = 0; i < unsent; i++)
1626                 rte_pktmbuf_free(pkts[i]);
1627 }
1628
1629 void
1630 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1631                 void *userdata)
1632 {
1633         uint64_t *count = userdata;
1634         unsigned i;
1635
1636         for (i = 0; i < unsent; i++)
1637                 rte_pktmbuf_free(pkts[i]);
1638
1639         *count += unsent;
1640 }
1641
1642 int
1643 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1644                 buffer_tx_error_fn cbfn, void *userdata)
1645 {
1646         buffer->error_callback = cbfn;
1647         buffer->error_userdata = userdata;
1648         return 0;
1649 }
1650
1651 int
1652 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1653 {
1654         int ret = 0;
1655
1656         if (buffer == NULL)
1657                 return -EINVAL;
1658
1659         buffer->size = size;
1660         if (buffer->error_callback == NULL) {
1661                 ret = rte_eth_tx_buffer_set_err_callback(
1662                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1663         }
1664
1665         return ret;
1666 }
1667
1668 int
1669 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1670 {
1671         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1672         int ret;
1673
1674         /* Validate Input Data. Bail if not valid or not supported. */
1675         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1676         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1677
1678         /* Call driver to free pending mbufs. */
1679         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1680                                                free_cnt);
1681         return eth_err(port_id, ret);
1682 }
1683
1684 void
1685 rte_eth_promiscuous_enable(uint16_t port_id)
1686 {
1687         struct rte_eth_dev *dev;
1688
1689         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1690         dev = &rte_eth_devices[port_id];
1691
1692         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1693         (*dev->dev_ops->promiscuous_enable)(dev);
1694         dev->data->promiscuous = 1;
1695 }
1696
1697 void
1698 rte_eth_promiscuous_disable(uint16_t port_id)
1699 {
1700         struct rte_eth_dev *dev;
1701
1702         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1703         dev = &rte_eth_devices[port_id];
1704
1705         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1706         dev->data->promiscuous = 0;
1707         (*dev->dev_ops->promiscuous_disable)(dev);
1708 }
1709
1710 int
1711 rte_eth_promiscuous_get(uint16_t port_id)
1712 {
1713         struct rte_eth_dev *dev;
1714
1715         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1716
1717         dev = &rte_eth_devices[port_id];
1718         return dev->data->promiscuous;
1719 }
1720
1721 void
1722 rte_eth_allmulticast_enable(uint16_t port_id)
1723 {
1724         struct rte_eth_dev *dev;
1725
1726         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1727         dev = &rte_eth_devices[port_id];
1728
1729         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1730         (*dev->dev_ops->allmulticast_enable)(dev);
1731         dev->data->all_multicast = 1;
1732 }
1733
1734 void
1735 rte_eth_allmulticast_disable(uint16_t port_id)
1736 {
1737         struct rte_eth_dev *dev;
1738
1739         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1740         dev = &rte_eth_devices[port_id];
1741
1742         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1743         dev->data->all_multicast = 0;
1744         (*dev->dev_ops->allmulticast_disable)(dev);
1745 }
1746
1747 int
1748 rte_eth_allmulticast_get(uint16_t port_id)
1749 {
1750         struct rte_eth_dev *dev;
1751
1752         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1753
1754         dev = &rte_eth_devices[port_id];
1755         return dev->data->all_multicast;
1756 }
1757
1758 void
1759 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1760 {
1761         struct rte_eth_dev *dev;
1762
1763         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1764         dev = &rte_eth_devices[port_id];
1765
1766         if (dev->data->dev_conf.intr_conf.lsc &&
1767             dev->data->dev_started)
1768                 rte_eth_linkstatus_get(dev, eth_link);
1769         else {
1770                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1771                 (*dev->dev_ops->link_update)(dev, 1);
1772                 *eth_link = dev->data->dev_link;
1773         }
1774 }
1775
1776 void
1777 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1778 {
1779         struct rte_eth_dev *dev;
1780
1781         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1782         dev = &rte_eth_devices[port_id];
1783
1784         if (dev->data->dev_conf.intr_conf.lsc &&
1785             dev->data->dev_started)
1786                 rte_eth_linkstatus_get(dev, eth_link);
1787         else {
1788                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1789                 (*dev->dev_ops->link_update)(dev, 0);
1790                 *eth_link = dev->data->dev_link;
1791         }
1792 }
1793
1794 int
1795 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1796 {
1797         struct rte_eth_dev *dev;
1798
1799         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1800
1801         dev = &rte_eth_devices[port_id];
1802         memset(stats, 0, sizeof(*stats));
1803
1804         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1805         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1806         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1807 }
1808
1809 int
1810 rte_eth_stats_reset(uint16_t port_id)
1811 {
1812         struct rte_eth_dev *dev;
1813
1814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1815         dev = &rte_eth_devices[port_id];
1816
1817         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1818         (*dev->dev_ops->stats_reset)(dev);
1819         dev->data->rx_mbuf_alloc_failed = 0;
1820
1821         return 0;
1822 }
1823
1824 static inline int
1825 get_xstats_basic_count(struct rte_eth_dev *dev)
1826 {
1827         uint16_t nb_rxqs, nb_txqs;
1828         int count;
1829
1830         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1831         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1832
1833         count = RTE_NB_STATS;
1834         count += nb_rxqs * RTE_NB_RXQ_STATS;
1835         count += nb_txqs * RTE_NB_TXQ_STATS;
1836
1837         return count;
1838 }
1839
1840 static int
1841 get_xstats_count(uint16_t port_id)
1842 {
1843         struct rte_eth_dev *dev;
1844         int count;
1845
1846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1847         dev = &rte_eth_devices[port_id];
1848         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1849                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1850                                 NULL, 0);
1851                 if (count < 0)
1852                         return eth_err(port_id, count);
1853         }
1854         if (dev->dev_ops->xstats_get_names != NULL) {
1855                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1856                 if (count < 0)
1857                         return eth_err(port_id, count);
1858         } else
1859                 count = 0;
1860
1861
1862         count += get_xstats_basic_count(dev);
1863
1864         return count;
1865 }
1866
1867 int
1868 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1869                 uint64_t *id)
1870 {
1871         int cnt_xstats, idx_xstat;
1872
1873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1874
1875         if (!id) {
1876                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1877                 return -ENOMEM;
1878         }
1879
1880         if (!xstat_name) {
1881                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1882                 return -ENOMEM;
1883         }
1884
1885         /* Get count */
1886         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1887         if (cnt_xstats  < 0) {
1888                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1889                 return -ENODEV;
1890         }
1891
1892         /* Get id-name lookup table */
1893         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1894
1895         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1896                         port_id, xstats_names, cnt_xstats, NULL)) {
1897                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1898                 return -1;
1899         }
1900
1901         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1902                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1903                         *id = idx_xstat;
1904                         return 0;
1905                 };
1906         }
1907
1908         return -EINVAL;
1909 }
1910
1911 /* retrieve basic stats names */
1912 static int
1913 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
1914         struct rte_eth_xstat_name *xstats_names)
1915 {
1916         int cnt_used_entries = 0;
1917         uint32_t idx, id_queue;
1918         uint16_t num_q;
1919
1920         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1921                 snprintf(xstats_names[cnt_used_entries].name,
1922                         sizeof(xstats_names[0].name),
1923                         "%s", rte_stats_strings[idx].name);
1924                 cnt_used_entries++;
1925         }
1926         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1927         for (id_queue = 0; id_queue < num_q; id_queue++) {
1928                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1929                         snprintf(xstats_names[cnt_used_entries].name,
1930                                 sizeof(xstats_names[0].name),
1931                                 "rx_q%u%s",
1932                                 id_queue, rte_rxq_stats_strings[idx].name);
1933                         cnt_used_entries++;
1934                 }
1935
1936         }
1937         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1938         for (id_queue = 0; id_queue < num_q; id_queue++) {
1939                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1940                         snprintf(xstats_names[cnt_used_entries].name,
1941                                 sizeof(xstats_names[0].name),
1942                                 "tx_q%u%s",
1943                                 id_queue, rte_txq_stats_strings[idx].name);
1944                         cnt_used_entries++;
1945                 }
1946         }
1947         return cnt_used_entries;
1948 }
1949
1950 /* retrieve ethdev extended statistics names */
1951 int
1952 rte_eth_xstats_get_names_by_id(uint16_t port_id,
1953         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1954         uint64_t *ids)
1955 {
1956         struct rte_eth_xstat_name *xstats_names_copy;
1957         unsigned int no_basic_stat_requested = 1;
1958         unsigned int no_ext_stat_requested = 1;
1959         unsigned int expected_entries;
1960         unsigned int basic_count;
1961         struct rte_eth_dev *dev;
1962         unsigned int i;
1963         int ret;
1964
1965         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1966         dev = &rte_eth_devices[port_id];
1967
1968         basic_count = get_xstats_basic_count(dev);
1969         ret = get_xstats_count(port_id);
1970         if (ret < 0)
1971                 return ret;
1972         expected_entries = (unsigned int)ret;
1973
1974         /* Return max number of stats if no ids given */
1975         if (!ids) {
1976                 if (!xstats_names)
1977                         return expected_entries;
1978                 else if (xstats_names && size < expected_entries)
1979                         return expected_entries;
1980         }
1981
1982         if (ids && !xstats_names)
1983                 return -EINVAL;
1984
1985         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
1986                 uint64_t ids_copy[size];
1987
1988                 for (i = 0; i < size; i++) {
1989                         if (ids[i] < basic_count) {
1990                                 no_basic_stat_requested = 0;
1991                                 break;
1992                         }
1993
1994                         /*
1995                          * Convert ids to xstats ids that PMD knows.
1996                          * ids known by user are basic + extended stats.
1997                          */
1998                         ids_copy[i] = ids[i] - basic_count;
1999                 }
2000
2001                 if (no_basic_stat_requested)
2002                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2003                                         xstats_names, ids_copy, size);
2004         }
2005
2006         /* Retrieve all stats */
2007         if (!ids) {
2008                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2009                                 expected_entries);
2010                 if (num_stats < 0 || num_stats > (int)expected_entries)
2011                         return num_stats;
2012                 else
2013                         return expected_entries;
2014         }
2015
2016         xstats_names_copy = calloc(expected_entries,
2017                 sizeof(struct rte_eth_xstat_name));
2018
2019         if (!xstats_names_copy) {
2020                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2021                 return -ENOMEM;
2022         }
2023
2024         if (ids) {
2025                 for (i = 0; i < size; i++) {
2026                         if (ids[i] >= basic_count) {
2027                                 no_ext_stat_requested = 0;
2028                                 break;
2029                         }
2030                 }
2031         }
2032
2033         /* Fill xstats_names_copy structure */
2034         if (ids && no_ext_stat_requested) {
2035                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2036         } else {
2037                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2038                         expected_entries);
2039                 if (ret < 0) {
2040                         free(xstats_names_copy);
2041                         return ret;
2042                 }
2043         }
2044
2045         /* Filter stats */
2046         for (i = 0; i < size; i++) {
2047                 if (ids[i] >= expected_entries) {
2048                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2049                         free(xstats_names_copy);
2050                         return -1;
2051                 }
2052                 xstats_names[i] = xstats_names_copy[ids[i]];
2053         }
2054
2055         free(xstats_names_copy);
2056         return size;
2057 }
2058
2059 int
2060 rte_eth_xstats_get_names(uint16_t port_id,
2061         struct rte_eth_xstat_name *xstats_names,
2062         unsigned int size)
2063 {
2064         struct rte_eth_dev *dev;
2065         int cnt_used_entries;
2066         int cnt_expected_entries;
2067         int cnt_driver_entries;
2068
2069         cnt_expected_entries = get_xstats_count(port_id);
2070         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2071                         (int)size < cnt_expected_entries)
2072                 return cnt_expected_entries;
2073
2074         /* port_id checked in get_xstats_count() */
2075         dev = &rte_eth_devices[port_id];
2076
2077         cnt_used_entries = rte_eth_basic_stats_get_names(
2078                 dev, xstats_names);
2079
2080         if (dev->dev_ops->xstats_get_names != NULL) {
2081                 /* If there are any driver-specific xstats, append them
2082                  * to end of list.
2083                  */
2084                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2085                         dev,
2086                         xstats_names + cnt_used_entries,
2087                         size - cnt_used_entries);
2088                 if (cnt_driver_entries < 0)
2089                         return eth_err(port_id, cnt_driver_entries);
2090                 cnt_used_entries += cnt_driver_entries;
2091         }
2092
2093         return cnt_used_entries;
2094 }
2095
2096
2097 static int
2098 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2099 {
2100         struct rte_eth_dev *dev;
2101         struct rte_eth_stats eth_stats;
2102         unsigned int count = 0, i, q;
2103         uint64_t val, *stats_ptr;
2104         uint16_t nb_rxqs, nb_txqs;
2105         int ret;
2106
2107         ret = rte_eth_stats_get(port_id, &eth_stats);
2108         if (ret < 0)
2109                 return ret;
2110
2111         dev = &rte_eth_devices[port_id];
2112
2113         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2114         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2115
2116         /* global stats */
2117         for (i = 0; i < RTE_NB_STATS; i++) {
2118                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2119                                         rte_stats_strings[i].offset);
2120                 val = *stats_ptr;
2121                 xstats[count++].value = val;
2122         }
2123
2124         /* per-rxq stats */
2125         for (q = 0; q < nb_rxqs; q++) {
2126                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2127                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2128                                         rte_rxq_stats_strings[i].offset +
2129                                         q * sizeof(uint64_t));
2130                         val = *stats_ptr;
2131                         xstats[count++].value = val;
2132                 }
2133         }
2134
2135         /* per-txq stats */
2136         for (q = 0; q < nb_txqs; q++) {
2137                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2138                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2139                                         rte_txq_stats_strings[i].offset +
2140                                         q * sizeof(uint64_t));
2141                         val = *stats_ptr;
2142                         xstats[count++].value = val;
2143                 }
2144         }
2145         return count;
2146 }
2147
2148 /* retrieve ethdev extended statistics */
2149 int
2150 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2151                          uint64_t *values, unsigned int size)
2152 {
2153         unsigned int no_basic_stat_requested = 1;
2154         unsigned int no_ext_stat_requested = 1;
2155         unsigned int num_xstats_filled;
2156         unsigned int basic_count;
2157         uint16_t expected_entries;
2158         struct rte_eth_dev *dev;
2159         unsigned int i;
2160         int ret;
2161
2162         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2163         ret = get_xstats_count(port_id);
2164         if (ret < 0)
2165                 return ret;
2166         expected_entries = (uint16_t)ret;
2167         struct rte_eth_xstat xstats[expected_entries];
2168         dev = &rte_eth_devices[port_id];
2169         basic_count = get_xstats_basic_count(dev);
2170
2171         /* Return max number of stats if no ids given */
2172         if (!ids) {
2173                 if (!values)
2174                         return expected_entries;
2175                 else if (values && size < expected_entries)
2176                         return expected_entries;
2177         }
2178
2179         if (ids && !values)
2180                 return -EINVAL;
2181
2182         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2183                 unsigned int basic_count = get_xstats_basic_count(dev);
2184                 uint64_t ids_copy[size];
2185
2186                 for (i = 0; i < size; i++) {
2187                         if (ids[i] < basic_count) {
2188                                 no_basic_stat_requested = 0;
2189                                 break;
2190                         }
2191
2192                         /*
2193                          * Convert ids to xstats ids that PMD knows.
2194                          * ids known by user are basic + extended stats.
2195                          */
2196                         ids_copy[i] = ids[i] - basic_count;
2197                 }
2198
2199                 if (no_basic_stat_requested)
2200                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2201                                         values, size);
2202         }
2203
2204         if (ids) {
2205                 for (i = 0; i < size; i++) {
2206                         if (ids[i] >= basic_count) {
2207                                 no_ext_stat_requested = 0;
2208                                 break;
2209                         }
2210                 }
2211         }
2212
2213         /* Fill the xstats structure */
2214         if (ids && no_ext_stat_requested)
2215                 ret = rte_eth_basic_stats_get(port_id, xstats);
2216         else
2217                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2218
2219         if (ret < 0)
2220                 return ret;
2221         num_xstats_filled = (unsigned int)ret;
2222
2223         /* Return all stats */
2224         if (!ids) {
2225                 for (i = 0; i < num_xstats_filled; i++)
2226                         values[i] = xstats[i].value;
2227                 return expected_entries;
2228         }
2229
2230         /* Filter stats */
2231         for (i = 0; i < size; i++) {
2232                 if (ids[i] >= expected_entries) {
2233                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2234                         return -1;
2235                 }
2236                 values[i] = xstats[ids[i]].value;
2237         }
2238         return size;
2239 }
2240
2241 int
2242 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2243         unsigned int n)
2244 {
2245         struct rte_eth_dev *dev;
2246         unsigned int count = 0, i;
2247         signed int xcount = 0;
2248         uint16_t nb_rxqs, nb_txqs;
2249         int ret;
2250
2251         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2252
2253         dev = &rte_eth_devices[port_id];
2254
2255         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2256         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2257
2258         /* Return generic statistics */
2259         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2260                 (nb_txqs * RTE_NB_TXQ_STATS);
2261
2262         /* implemented by the driver */
2263         if (dev->dev_ops->xstats_get != NULL) {
2264                 /* Retrieve the xstats from the driver at the end of the
2265                  * xstats struct.
2266                  */
2267                 xcount = (*dev->dev_ops->xstats_get)(dev,
2268                                      xstats ? xstats + count : NULL,
2269                                      (n > count) ? n - count : 0);
2270
2271                 if (xcount < 0)
2272                         return eth_err(port_id, xcount);
2273         }
2274
2275         if (n < count + xcount || xstats == NULL)
2276                 return count + xcount;
2277
2278         /* now fill the xstats structure */
2279         ret = rte_eth_basic_stats_get(port_id, xstats);
2280         if (ret < 0)
2281                 return ret;
2282         count = ret;
2283
2284         for (i = 0; i < count; i++)
2285                 xstats[i].id = i;
2286         /* add an offset to driver-specific stats */
2287         for ( ; i < count + xcount; i++)
2288                 xstats[i].id += count;
2289
2290         return count + xcount;
2291 }
2292
2293 /* reset ethdev extended statistics */
2294 void
2295 rte_eth_xstats_reset(uint16_t port_id)
2296 {
2297         struct rte_eth_dev *dev;
2298
2299         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2300         dev = &rte_eth_devices[port_id];
2301
2302         /* implemented by the driver */
2303         if (dev->dev_ops->xstats_reset != NULL) {
2304                 (*dev->dev_ops->xstats_reset)(dev);
2305                 return;
2306         }
2307
2308         /* fallback to default */
2309         rte_eth_stats_reset(port_id);
2310 }
2311
2312 static int
2313 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2314                 uint8_t is_rx)
2315 {
2316         struct rte_eth_dev *dev;
2317
2318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2319
2320         dev = &rte_eth_devices[port_id];
2321
2322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2323         return (*dev->dev_ops->queue_stats_mapping_set)
2324                         (dev, queue_id, stat_idx, is_rx);
2325 }
2326
2327
2328 int
2329 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2330                 uint8_t stat_idx)
2331 {
2332         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2333                                                 stat_idx, STAT_QMAP_TX));
2334 }
2335
2336
2337 int
2338 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2339                 uint8_t stat_idx)
2340 {
2341         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2342                                                 stat_idx, STAT_QMAP_RX));
2343 }
2344
2345 int
2346 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2347 {
2348         struct rte_eth_dev *dev;
2349
2350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2351         dev = &rte_eth_devices[port_id];
2352
2353         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2354         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2355                                                         fw_version, fw_size));
2356 }
2357
2358 void
2359 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2360 {
2361         struct rte_eth_dev *dev;
2362         const struct rte_eth_desc_lim lim = {
2363                 .nb_max = UINT16_MAX,
2364                 .nb_min = 0,
2365                 .nb_align = 1,
2366         };
2367
2368         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2369         dev = &rte_eth_devices[port_id];
2370
2371         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2372         dev_info->rx_desc_lim = lim;
2373         dev_info->tx_desc_lim = lim;
2374         dev_info->device = dev->device;
2375
2376         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2377         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2378         dev_info->driver_name = dev->device->driver->name;
2379         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2380         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2381
2382         dev_info->dev_flags = &dev->data->dev_flags;
2383 }
2384
2385 int
2386 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2387                                  uint32_t *ptypes, int num)
2388 {
2389         int i, j;
2390         struct rte_eth_dev *dev;
2391         const uint32_t *all_ptypes;
2392
2393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2394         dev = &rte_eth_devices[port_id];
2395         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2396         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2397
2398         if (!all_ptypes)
2399                 return 0;
2400
2401         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2402                 if (all_ptypes[i] & ptype_mask) {
2403                         if (j < num)
2404                                 ptypes[j] = all_ptypes[i];
2405                         j++;
2406                 }
2407
2408         return j;
2409 }
2410
2411 void
2412 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2413 {
2414         struct rte_eth_dev *dev;
2415
2416         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2417         dev = &rte_eth_devices[port_id];
2418         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2419 }
2420
2421
2422 int
2423 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2424 {
2425         struct rte_eth_dev *dev;
2426
2427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2428
2429         dev = &rte_eth_devices[port_id];
2430         *mtu = dev->data->mtu;
2431         return 0;
2432 }
2433
2434 int
2435 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2436 {
2437         int ret;
2438         struct rte_eth_dev *dev;
2439
2440         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2441         dev = &rte_eth_devices[port_id];
2442         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2443
2444         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2445         if (!ret)
2446                 dev->data->mtu = mtu;
2447
2448         return eth_err(port_id, ret);
2449 }
2450
2451 int
2452 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2453 {
2454         struct rte_eth_dev *dev;
2455         int ret;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2458         dev = &rte_eth_devices[port_id];
2459         if (!(dev->data->dev_conf.rxmode.offloads &
2460               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2461                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2462                 return -ENOSYS;
2463         }
2464
2465         if (vlan_id > 4095) {
2466                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2467                                 port_id, (unsigned) vlan_id);
2468                 return -EINVAL;
2469         }
2470         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2471
2472         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2473         if (ret == 0) {
2474                 struct rte_vlan_filter_conf *vfc;
2475                 int vidx;
2476                 int vbit;
2477
2478                 vfc = &dev->data->vlan_filter_conf;
2479                 vidx = vlan_id / 64;
2480                 vbit = vlan_id % 64;
2481
2482                 if (on)
2483                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2484                 else
2485                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2486         }
2487
2488         return eth_err(port_id, ret);
2489 }
2490
2491 int
2492 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2493                                     int on)
2494 {
2495         struct rte_eth_dev *dev;
2496
2497         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2498         dev = &rte_eth_devices[port_id];
2499         if (rx_queue_id >= dev->data->nb_rx_queues) {
2500                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2501                 return -EINVAL;
2502         }
2503
2504         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2505         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2506
2507         return 0;
2508 }
2509
2510 int
2511 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2512                                 enum rte_vlan_type vlan_type,
2513                                 uint16_t tpid)
2514 {
2515         struct rte_eth_dev *dev;
2516
2517         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2518         dev = &rte_eth_devices[port_id];
2519         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2520
2521         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2522                                                                tpid));
2523 }
2524
2525 int
2526 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2527 {
2528         struct rte_eth_dev *dev;
2529         int ret = 0;
2530         int mask = 0;
2531         int cur, org = 0;
2532         uint64_t orig_offloads;
2533
2534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2535         dev = &rte_eth_devices[port_id];
2536
2537         /* save original values in case of failure */
2538         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2539
2540         /*check which option changed by application*/
2541         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2542         org = !!(dev->data->dev_conf.rxmode.offloads &
2543                  DEV_RX_OFFLOAD_VLAN_STRIP);
2544         if (cur != org) {
2545                 if (cur)
2546                         dev->data->dev_conf.rxmode.offloads |=
2547                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2548                 else
2549                         dev->data->dev_conf.rxmode.offloads &=
2550                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2551                 mask |= ETH_VLAN_STRIP_MASK;
2552         }
2553
2554         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2555         org = !!(dev->data->dev_conf.rxmode.offloads &
2556                  DEV_RX_OFFLOAD_VLAN_FILTER);
2557         if (cur != org) {
2558                 if (cur)
2559                         dev->data->dev_conf.rxmode.offloads |=
2560                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2561                 else
2562                         dev->data->dev_conf.rxmode.offloads &=
2563                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2564                 mask |= ETH_VLAN_FILTER_MASK;
2565         }
2566
2567         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2568         org = !!(dev->data->dev_conf.rxmode.offloads &
2569                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2570         if (cur != org) {
2571                 if (cur)
2572                         dev->data->dev_conf.rxmode.offloads |=
2573                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2574                 else
2575                         dev->data->dev_conf.rxmode.offloads &=
2576                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2577                 mask |= ETH_VLAN_EXTEND_MASK;
2578         }
2579
2580         /*no change*/
2581         if (mask == 0)
2582                 return ret;
2583
2584         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2585         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2586         if (ret) {
2587                 /* hit an error restore  original values */
2588                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2589         }
2590
2591         return eth_err(port_id, ret);
2592 }
2593
2594 int
2595 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2596 {
2597         struct rte_eth_dev *dev;
2598         int ret = 0;
2599
2600         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2601         dev = &rte_eth_devices[port_id];
2602
2603         if (dev->data->dev_conf.rxmode.offloads &
2604             DEV_RX_OFFLOAD_VLAN_STRIP)
2605                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2606
2607         if (dev->data->dev_conf.rxmode.offloads &
2608             DEV_RX_OFFLOAD_VLAN_FILTER)
2609                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2610
2611         if (dev->data->dev_conf.rxmode.offloads &
2612             DEV_RX_OFFLOAD_VLAN_EXTEND)
2613                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2614
2615         return ret;
2616 }
2617
2618 int
2619 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2620 {
2621         struct rte_eth_dev *dev;
2622
2623         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2624         dev = &rte_eth_devices[port_id];
2625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2626
2627         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2628 }
2629
2630 int
2631 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2632 {
2633         struct rte_eth_dev *dev;
2634
2635         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2636         dev = &rte_eth_devices[port_id];
2637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2638         memset(fc_conf, 0, sizeof(*fc_conf));
2639         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2640 }
2641
2642 int
2643 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2644 {
2645         struct rte_eth_dev *dev;
2646
2647         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2648         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2649                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2650                 return -EINVAL;
2651         }
2652
2653         dev = &rte_eth_devices[port_id];
2654         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2655         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2656 }
2657
2658 int
2659 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2660                                    struct rte_eth_pfc_conf *pfc_conf)
2661 {
2662         struct rte_eth_dev *dev;
2663
2664         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2665         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2666                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2667                 return -EINVAL;
2668         }
2669
2670         dev = &rte_eth_devices[port_id];
2671         /* High water, low water validation are device specific */
2672         if  (*dev->dev_ops->priority_flow_ctrl_set)
2673                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2674                                         (dev, pfc_conf));
2675         return -ENOTSUP;
2676 }
2677
2678 static int
2679 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2680                         uint16_t reta_size)
2681 {
2682         uint16_t i, num;
2683
2684         if (!reta_conf)
2685                 return -EINVAL;
2686
2687         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2688         for (i = 0; i < num; i++) {
2689                 if (reta_conf[i].mask)
2690                         return 0;
2691         }
2692
2693         return -EINVAL;
2694 }
2695
2696 static int
2697 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2698                          uint16_t reta_size,
2699                          uint16_t max_rxq)
2700 {
2701         uint16_t i, idx, shift;
2702
2703         if (!reta_conf)
2704                 return -EINVAL;
2705
2706         if (max_rxq == 0) {
2707                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2708                 return -EINVAL;
2709         }
2710
2711         for (i = 0; i < reta_size; i++) {
2712                 idx = i / RTE_RETA_GROUP_SIZE;
2713                 shift = i % RTE_RETA_GROUP_SIZE;
2714                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2715                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2716                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2717                                 "the maximum rxq index: %u\n", idx, shift,
2718                                 reta_conf[idx].reta[shift], max_rxq);
2719                         return -EINVAL;
2720                 }
2721         }
2722
2723         return 0;
2724 }
2725
2726 int
2727 rte_eth_dev_rss_reta_update(uint16_t port_id,
2728                             struct rte_eth_rss_reta_entry64 *reta_conf,
2729                             uint16_t reta_size)
2730 {
2731         struct rte_eth_dev *dev;
2732         int ret;
2733
2734         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2735         /* Check mask bits */
2736         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2737         if (ret < 0)
2738                 return ret;
2739
2740         dev = &rte_eth_devices[port_id];
2741
2742         /* Check entry value */
2743         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2744                                 dev->data->nb_rx_queues);
2745         if (ret < 0)
2746                 return ret;
2747
2748         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2749         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2750                                                              reta_size));
2751 }
2752
2753 int
2754 rte_eth_dev_rss_reta_query(uint16_t port_id,
2755                            struct rte_eth_rss_reta_entry64 *reta_conf,
2756                            uint16_t reta_size)
2757 {
2758         struct rte_eth_dev *dev;
2759         int ret;
2760
2761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2762
2763         /* Check mask bits */
2764         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2765         if (ret < 0)
2766                 return ret;
2767
2768         dev = &rte_eth_devices[port_id];
2769         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2770         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2771                                                             reta_size));
2772 }
2773
2774 int
2775 rte_eth_dev_rss_hash_update(uint16_t port_id,
2776                             struct rte_eth_rss_conf *rss_conf)
2777 {
2778         struct rte_eth_dev *dev;
2779         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2780
2781         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2782         dev = &rte_eth_devices[port_id];
2783         rte_eth_dev_info_get(port_id, &dev_info);
2784         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2785             dev_info.flow_type_rss_offloads) {
2786                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2787                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2788                                     port_id,
2789                                     rss_conf->rss_hf,
2790                                     dev_info.flow_type_rss_offloads);
2791                 return -EINVAL;
2792         }
2793         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2794         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2795                                                                  rss_conf));
2796 }
2797
2798 int
2799 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2800                               struct rte_eth_rss_conf *rss_conf)
2801 {
2802         struct rte_eth_dev *dev;
2803
2804         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2805         dev = &rte_eth_devices[port_id];
2806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2807         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2808                                                                    rss_conf));
2809 }
2810
2811 int
2812 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2813                                 struct rte_eth_udp_tunnel *udp_tunnel)
2814 {
2815         struct rte_eth_dev *dev;
2816
2817         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2818         if (udp_tunnel == NULL) {
2819                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2820                 return -EINVAL;
2821         }
2822
2823         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2824                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2825                 return -EINVAL;
2826         }
2827
2828         dev = &rte_eth_devices[port_id];
2829         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2830         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2831                                                                 udp_tunnel));
2832 }
2833
2834 int
2835 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2836                                    struct rte_eth_udp_tunnel *udp_tunnel)
2837 {
2838         struct rte_eth_dev *dev;
2839
2840         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2841         dev = &rte_eth_devices[port_id];
2842
2843         if (udp_tunnel == NULL) {
2844                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2845                 return -EINVAL;
2846         }
2847
2848         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2849                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2850                 return -EINVAL;
2851         }
2852
2853         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2854         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2855                                                                 udp_tunnel));
2856 }
2857
2858 int
2859 rte_eth_led_on(uint16_t port_id)
2860 {
2861         struct rte_eth_dev *dev;
2862
2863         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2864         dev = &rte_eth_devices[port_id];
2865         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2866         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
2867 }
2868
2869 int
2870 rte_eth_led_off(uint16_t port_id)
2871 {
2872         struct rte_eth_dev *dev;
2873
2874         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2875         dev = &rte_eth_devices[port_id];
2876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2877         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
2878 }
2879
2880 /*
2881  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2882  * an empty spot.
2883  */
2884 static int
2885 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2886 {
2887         struct rte_eth_dev_info dev_info;
2888         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2889         unsigned i;
2890
2891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2892         rte_eth_dev_info_get(port_id, &dev_info);
2893
2894         for (i = 0; i < dev_info.max_mac_addrs; i++)
2895                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2896                         return i;
2897
2898         return -1;
2899 }
2900
2901 static const struct ether_addr null_mac_addr;
2902
2903 int
2904 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
2905                         uint32_t pool)
2906 {
2907         struct rte_eth_dev *dev;
2908         int index;
2909         uint64_t pool_mask;
2910         int ret;
2911
2912         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2913         dev = &rte_eth_devices[port_id];
2914         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2915
2916         if (is_zero_ether_addr(addr)) {
2917                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2918                         port_id);
2919                 return -EINVAL;
2920         }
2921         if (pool >= ETH_64_POOLS) {
2922                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2923                 return -EINVAL;
2924         }
2925
2926         index = get_mac_addr_index(port_id, addr);
2927         if (index < 0) {
2928                 index = get_mac_addr_index(port_id, &null_mac_addr);
2929                 if (index < 0) {
2930                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2931                                 port_id);
2932                         return -ENOSPC;
2933                 }
2934         } else {
2935                 pool_mask = dev->data->mac_pool_sel[index];
2936
2937                 /* Check if both MAC address and pool is already there, and do nothing */
2938                 if (pool_mask & (1ULL << pool))
2939                         return 0;
2940         }
2941
2942         /* Update NIC */
2943         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2944
2945         if (ret == 0) {
2946                 /* Update address in NIC data structure */
2947                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2948
2949                 /* Update pool bitmap in NIC data structure */
2950                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2951         }
2952
2953         return eth_err(port_id, ret);
2954 }
2955
2956 int
2957 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
2958 {
2959         struct rte_eth_dev *dev;
2960         int index;
2961
2962         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2963         dev = &rte_eth_devices[port_id];
2964         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2965
2966         index = get_mac_addr_index(port_id, addr);
2967         if (index == 0) {
2968                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2969                 return -EADDRINUSE;
2970         } else if (index < 0)
2971                 return 0;  /* Do nothing if address wasn't found */
2972
2973         /* Update NIC */
2974         (*dev->dev_ops->mac_addr_remove)(dev, index);
2975
2976         /* Update address in NIC data structure */
2977         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2978
2979         /* reset pool bitmap */
2980         dev->data->mac_pool_sel[index] = 0;
2981
2982         return 0;
2983 }
2984
2985 int
2986 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
2987 {
2988         struct rte_eth_dev *dev;
2989         int ret;
2990
2991         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2992
2993         if (!is_valid_assigned_ether_addr(addr))
2994                 return -EINVAL;
2995
2996         dev = &rte_eth_devices[port_id];
2997         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2998
2999         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3000         if (ret < 0)
3001                 return ret;
3002
3003         /* Update default address in NIC data structure */
3004         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3005
3006         return 0;
3007 }
3008
3009
3010 /*
3011  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3012  * an empty spot.
3013  */
3014 static int
3015 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3016 {
3017         struct rte_eth_dev_info dev_info;
3018         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3019         unsigned i;
3020
3021         rte_eth_dev_info_get(port_id, &dev_info);
3022         if (!dev->data->hash_mac_addrs)
3023                 return -1;
3024
3025         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3026                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3027                         ETHER_ADDR_LEN) == 0)
3028                         return i;
3029
3030         return -1;
3031 }
3032
3033 int
3034 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3035                                 uint8_t on)
3036 {
3037         int index;
3038         int ret;
3039         struct rte_eth_dev *dev;
3040
3041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3042
3043         dev = &rte_eth_devices[port_id];
3044         if (is_zero_ether_addr(addr)) {
3045                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3046                         port_id);
3047                 return -EINVAL;
3048         }
3049
3050         index = get_hash_mac_addr_index(port_id, addr);
3051         /* Check if it's already there, and do nothing */
3052         if ((index >= 0) && on)
3053                 return 0;
3054
3055         if (index < 0) {
3056                 if (!on) {
3057                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3058                                 "set in UTA\n", port_id);
3059                         return -EINVAL;
3060                 }
3061
3062                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3063                 if (index < 0) {
3064                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3065                                         port_id);
3066                         return -ENOSPC;
3067                 }
3068         }
3069
3070         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3071         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3072         if (ret == 0) {
3073                 /* Update address in NIC data structure */
3074                 if (on)
3075                         ether_addr_copy(addr,
3076                                         &dev->data->hash_mac_addrs[index]);
3077                 else
3078                         ether_addr_copy(&null_mac_addr,
3079                                         &dev->data->hash_mac_addrs[index]);
3080         }
3081
3082         return eth_err(port_id, ret);
3083 }
3084
3085 int
3086 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3087 {
3088         struct rte_eth_dev *dev;
3089
3090         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3091
3092         dev = &rte_eth_devices[port_id];
3093
3094         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3095         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3096                                                                        on));
3097 }
3098
3099 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3100                                         uint16_t tx_rate)
3101 {
3102         struct rte_eth_dev *dev;
3103         struct rte_eth_dev_info dev_info;
3104         struct rte_eth_link link;
3105
3106         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3107
3108         dev = &rte_eth_devices[port_id];
3109         rte_eth_dev_info_get(port_id, &dev_info);
3110         link = dev->data->dev_link;
3111
3112         if (queue_idx > dev_info.max_tx_queues) {
3113                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3114                                 "invalid queue id=%d\n", port_id, queue_idx);
3115                 return -EINVAL;
3116         }
3117
3118         if (tx_rate > link.link_speed) {
3119                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3120                                 "bigger than link speed= %d\n",
3121                         tx_rate, link.link_speed);
3122                 return -EINVAL;
3123         }
3124
3125         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3126         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3127                                                         queue_idx, tx_rate));
3128 }
3129
3130 int
3131 rte_eth_mirror_rule_set(uint16_t port_id,
3132                         struct rte_eth_mirror_conf *mirror_conf,
3133                         uint8_t rule_id, uint8_t on)
3134 {
3135         struct rte_eth_dev *dev;
3136
3137         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3138         if (mirror_conf->rule_type == 0) {
3139                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3140                 return -EINVAL;
3141         }
3142
3143         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3144                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3145                                 ETH_64_POOLS - 1);
3146                 return -EINVAL;
3147         }
3148
3149         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3150              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3151             (mirror_conf->pool_mask == 0)) {
3152                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3153                 return -EINVAL;
3154         }
3155
3156         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3157             mirror_conf->vlan.vlan_mask == 0) {
3158                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3159                 return -EINVAL;
3160         }
3161
3162         dev = &rte_eth_devices[port_id];
3163         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3164
3165         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3166                                                 mirror_conf, rule_id, on));
3167 }
3168
3169 int
3170 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3171 {
3172         struct rte_eth_dev *dev;
3173
3174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3175
3176         dev = &rte_eth_devices[port_id];
3177         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3178
3179         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3180                                                                    rule_id));
3181 }
3182
3183 RTE_INIT(eth_dev_init_cb_lists)
3184 {
3185         int i;
3186
3187         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3188                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3189 }
3190
3191 int
3192 rte_eth_dev_callback_register(uint16_t port_id,
3193                         enum rte_eth_event_type event,
3194                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3195 {
3196         struct rte_eth_dev *dev;
3197         struct rte_eth_dev_callback *user_cb;
3198         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3199         uint16_t last_port;
3200
3201         if (!cb_fn)
3202                 return -EINVAL;
3203
3204         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3205                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3206                 return -EINVAL;
3207         }
3208
3209         if (port_id == RTE_ETH_ALL) {
3210                 next_port = 0;
3211                 last_port = RTE_MAX_ETHPORTS - 1;
3212         } else {
3213                 next_port = last_port = port_id;
3214         }
3215
3216         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3217
3218         do {
3219                 dev = &rte_eth_devices[next_port];
3220
3221                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3222                         if (user_cb->cb_fn == cb_fn &&
3223                                 user_cb->cb_arg == cb_arg &&
3224                                 user_cb->event == event) {
3225                                 break;
3226                         }
3227                 }
3228
3229                 /* create a new callback. */
3230                 if (user_cb == NULL) {
3231                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3232                                 sizeof(struct rte_eth_dev_callback), 0);
3233                         if (user_cb != NULL) {
3234                                 user_cb->cb_fn = cb_fn;
3235                                 user_cb->cb_arg = cb_arg;
3236                                 user_cb->event = event;
3237                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3238                                                   user_cb, next);
3239                         } else {
3240                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3241                                 rte_eth_dev_callback_unregister(port_id, event,
3242                                                                 cb_fn, cb_arg);
3243                                 return -ENOMEM;
3244                         }
3245
3246                 }
3247         } while (++next_port <= last_port);
3248
3249         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3250         return 0;
3251 }
3252
3253 int
3254 rte_eth_dev_callback_unregister(uint16_t port_id,
3255                         enum rte_eth_event_type event,
3256                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3257 {
3258         int ret;
3259         struct rte_eth_dev *dev;
3260         struct rte_eth_dev_callback *cb, *next;
3261         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3262         uint16_t last_port;
3263
3264         if (!cb_fn)
3265                 return -EINVAL;
3266
3267         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3268                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3269                 return -EINVAL;
3270         }
3271
3272         if (port_id == RTE_ETH_ALL) {
3273                 next_port = 0;
3274                 last_port = RTE_MAX_ETHPORTS - 1;
3275         } else {
3276                 next_port = last_port = port_id;
3277         }
3278
3279         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3280
3281         do {
3282                 dev = &rte_eth_devices[next_port];
3283                 ret = 0;
3284                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3285                      cb = next) {
3286
3287                         next = TAILQ_NEXT(cb, next);
3288
3289                         if (cb->cb_fn != cb_fn || cb->event != event ||
3290                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3291                                 continue;
3292
3293                         /*
3294                          * if this callback is not executing right now,
3295                          * then remove it.
3296                          */
3297                         if (cb->active == 0) {
3298                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3299                                 rte_free(cb);
3300                         } else {
3301                                 ret = -EAGAIN;
3302                         }
3303                 }
3304         } while (++next_port <= last_port);
3305
3306         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3307         return ret;
3308 }
3309
3310 int
3311 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3312         enum rte_eth_event_type event, void *ret_param)
3313 {
3314         struct rte_eth_dev_callback *cb_lst;
3315         struct rte_eth_dev_callback dev_cb;
3316         int rc = 0;
3317
3318         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3319         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3320                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3321                         continue;
3322                 dev_cb = *cb_lst;
3323                 cb_lst->active = 1;
3324                 if (ret_param != NULL)
3325                         dev_cb.ret_param = ret_param;
3326
3327                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3328                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3329                                 dev_cb.cb_arg, dev_cb.ret_param);
3330                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3331                 cb_lst->active = 0;
3332         }
3333         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3334         return rc;
3335 }
3336
3337 int
3338 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3339 {
3340         uint32_t vec;
3341         struct rte_eth_dev *dev;
3342         struct rte_intr_handle *intr_handle;
3343         uint16_t qid;
3344         int rc;
3345
3346         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3347
3348         dev = &rte_eth_devices[port_id];
3349
3350         if (!dev->intr_handle) {
3351                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3352                 return -ENOTSUP;
3353         }
3354
3355         intr_handle = dev->intr_handle;
3356         if (!intr_handle->intr_vec) {
3357                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3358                 return -EPERM;
3359         }
3360
3361         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3362                 vec = intr_handle->intr_vec[qid];
3363                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3364                 if (rc && rc != -EEXIST) {
3365                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3366                                         " op %d epfd %d vec %u\n",
3367                                         port_id, qid, op, epfd, vec);
3368                 }
3369         }
3370
3371         return 0;
3372 }
3373
3374 const struct rte_memzone *
3375 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3376                          uint16_t queue_id, size_t size, unsigned align,
3377                          int socket_id)
3378 {
3379         char z_name[RTE_MEMZONE_NAMESIZE];
3380         const struct rte_memzone *mz;
3381
3382         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3383                  dev->device->driver->name, ring_name,
3384                  dev->data->port_id, queue_id);
3385
3386         mz = rte_memzone_lookup(z_name);
3387         if (mz)
3388                 return mz;
3389
3390         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3391                         RTE_MEMZONE_IOVA_CONTIG, align);
3392 }
3393
3394 int __rte_experimental
3395 rte_eth_dev_create(struct rte_device *device, const char *name,
3396         size_t priv_data_size,
3397         ethdev_bus_specific_init ethdev_bus_specific_init,
3398         void *bus_init_params,
3399         ethdev_init_t ethdev_init, void *init_params)
3400 {
3401         struct rte_eth_dev *ethdev;
3402         int retval;
3403
3404         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3405
3406         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3407                 ethdev = rte_eth_dev_allocate(name);
3408                 if (!ethdev) {
3409                         retval = -ENODEV;
3410                         goto probe_failed;
3411                 }
3412
3413                 if (priv_data_size) {
3414                         ethdev->data->dev_private = rte_zmalloc_socket(
3415                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3416                                 device->numa_node);
3417
3418                         if (!ethdev->data->dev_private) {
3419                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3420                                 retval = -ENOMEM;
3421                                 goto probe_failed;
3422                         }
3423                 }
3424         } else {
3425                 ethdev = rte_eth_dev_attach_secondary(name);
3426                 if (!ethdev) {
3427                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3428                                 "ethdev doesn't exist");
3429                         retval = -ENODEV;
3430                         goto probe_failed;
3431                 }
3432         }
3433
3434         ethdev->device = device;
3435
3436         if (ethdev_bus_specific_init) {
3437                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3438                 if (retval) {
3439                         RTE_LOG(ERR, EAL,
3440                                 "ethdev bus specific initialisation failed");
3441                         goto probe_failed;
3442                 }
3443         }
3444
3445         retval = ethdev_init(ethdev, init_params);
3446         if (retval) {
3447                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3448                 goto probe_failed;
3449         }
3450
3451         return retval;
3452 probe_failed:
3453         /* free ports private data if primary process */
3454         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3455                 rte_free(ethdev->data->dev_private);
3456
3457         rte_eth_dev_release_port(ethdev);
3458
3459         return retval;
3460 }
3461
3462 int  __rte_experimental
3463 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3464         ethdev_uninit_t ethdev_uninit)
3465 {
3466         int ret;
3467
3468         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3469         if (!ethdev)
3470                 return -ENODEV;
3471
3472         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3473         if (ethdev_uninit) {
3474                 ret = ethdev_uninit(ethdev);
3475                 if (ret)
3476                         return ret;
3477         }
3478
3479         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3480                 rte_free(ethdev->data->dev_private);
3481
3482         ethdev->data->dev_private = NULL;
3483
3484         return rte_eth_dev_release_port(ethdev);
3485 }
3486
3487 int
3488 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3489                           int epfd, int op, void *data)
3490 {
3491         uint32_t vec;
3492         struct rte_eth_dev *dev;
3493         struct rte_intr_handle *intr_handle;
3494         int rc;
3495
3496         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3497
3498         dev = &rte_eth_devices[port_id];
3499         if (queue_id >= dev->data->nb_rx_queues) {
3500                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3501                 return -EINVAL;
3502         }
3503
3504         if (!dev->intr_handle) {
3505                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3506                 return -ENOTSUP;
3507         }
3508
3509         intr_handle = dev->intr_handle;
3510         if (!intr_handle->intr_vec) {
3511                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3512                 return -EPERM;
3513         }
3514
3515         vec = intr_handle->intr_vec[queue_id];
3516         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3517         if (rc && rc != -EEXIST) {
3518                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3519                                 " op %d epfd %d vec %u\n",
3520                                 port_id, queue_id, op, epfd, vec);
3521                 return rc;
3522         }
3523
3524         return 0;
3525 }
3526
3527 int
3528 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3529                            uint16_t queue_id)
3530 {
3531         struct rte_eth_dev *dev;
3532
3533         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3534
3535         dev = &rte_eth_devices[port_id];
3536
3537         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3538         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3539                                                                 queue_id));
3540 }
3541
3542 int
3543 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3544                             uint16_t queue_id)
3545 {
3546         struct rte_eth_dev *dev;
3547
3548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3549
3550         dev = &rte_eth_devices[port_id];
3551
3552         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3553         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3554                                                                 queue_id));
3555 }
3556
3557
3558 int
3559 rte_eth_dev_filter_supported(uint16_t port_id,
3560                              enum rte_filter_type filter_type)
3561 {
3562         struct rte_eth_dev *dev;
3563
3564         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3565
3566         dev = &rte_eth_devices[port_id];
3567         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3568         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3569                                 RTE_ETH_FILTER_NOP, NULL);
3570 }
3571
3572 int
3573 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3574                         enum rte_filter_op filter_op, void *arg)
3575 {
3576         struct rte_eth_dev *dev;
3577
3578         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3579
3580         dev = &rte_eth_devices[port_id];
3581         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3582         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3583                                                              filter_op, arg));
3584 }
3585
3586 const struct rte_eth_rxtx_callback *
3587 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3588                 rte_rx_callback_fn fn, void *user_param)
3589 {
3590 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3591         rte_errno = ENOTSUP;
3592         return NULL;
3593 #endif
3594         /* check input parameters */
3595         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3596                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3597                 rte_errno = EINVAL;
3598                 return NULL;
3599         }
3600         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3601
3602         if (cb == NULL) {
3603                 rte_errno = ENOMEM;
3604                 return NULL;
3605         }
3606
3607         cb->fn.rx = fn;
3608         cb->param = user_param;
3609
3610         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3611         /* Add the callbacks in fifo order. */
3612         struct rte_eth_rxtx_callback *tail =
3613                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3614
3615         if (!tail) {
3616                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3617
3618         } else {
3619                 while (tail->next)
3620                         tail = tail->next;
3621                 tail->next = cb;
3622         }
3623         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3624
3625         return cb;
3626 }
3627
3628 const struct rte_eth_rxtx_callback *
3629 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3630                 rte_rx_callback_fn fn, void *user_param)
3631 {
3632 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3633         rte_errno = ENOTSUP;
3634         return NULL;
3635 #endif
3636         /* check input parameters */
3637         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3638                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3639                 rte_errno = EINVAL;
3640                 return NULL;
3641         }
3642
3643         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3644
3645         if (cb == NULL) {
3646                 rte_errno = ENOMEM;
3647                 return NULL;
3648         }
3649
3650         cb->fn.rx = fn;
3651         cb->param = user_param;
3652
3653         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3654         /* Add the callbacks at fisrt position*/
3655         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3656         rte_smp_wmb();
3657         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3658         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3659
3660         return cb;
3661 }
3662
3663 const struct rte_eth_rxtx_callback *
3664 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3665                 rte_tx_callback_fn fn, void *user_param)
3666 {
3667 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3668         rte_errno = ENOTSUP;
3669         return NULL;
3670 #endif
3671         /* check input parameters */
3672         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3673                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3674                 rte_errno = EINVAL;
3675                 return NULL;
3676         }
3677
3678         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3679
3680         if (cb == NULL) {
3681                 rte_errno = ENOMEM;
3682                 return NULL;
3683         }
3684
3685         cb->fn.tx = fn;
3686         cb->param = user_param;
3687
3688         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3689         /* Add the callbacks in fifo order. */
3690         struct rte_eth_rxtx_callback *tail =
3691                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3692
3693         if (!tail) {
3694                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3695
3696         } else {
3697                 while (tail->next)
3698                         tail = tail->next;
3699                 tail->next = cb;
3700         }
3701         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3702
3703         return cb;
3704 }
3705
3706 int
3707 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3708                 const struct rte_eth_rxtx_callback *user_cb)
3709 {
3710 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3711         return -ENOTSUP;
3712 #endif
3713         /* Check input parameters. */
3714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3715         if (user_cb == NULL ||
3716                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3717                 return -EINVAL;
3718
3719         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3720         struct rte_eth_rxtx_callback *cb;
3721         struct rte_eth_rxtx_callback **prev_cb;
3722         int ret = -EINVAL;
3723
3724         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3725         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3726         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3727                 cb = *prev_cb;
3728                 if (cb == user_cb) {
3729                         /* Remove the user cb from the callback list. */
3730                         *prev_cb = cb->next;
3731                         ret = 0;
3732                         break;
3733                 }
3734         }
3735         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3736
3737         return ret;
3738 }
3739
3740 int
3741 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3742                 const struct rte_eth_rxtx_callback *user_cb)
3743 {
3744 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3745         return -ENOTSUP;
3746 #endif
3747         /* Check input parameters. */
3748         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3749         if (user_cb == NULL ||
3750                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3751                 return -EINVAL;
3752
3753         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3754         int ret = -EINVAL;
3755         struct rte_eth_rxtx_callback *cb;
3756         struct rte_eth_rxtx_callback **prev_cb;
3757
3758         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3759         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3760         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3761                 cb = *prev_cb;
3762                 if (cb == user_cb) {
3763                         /* Remove the user cb from the callback list. */
3764                         *prev_cb = cb->next;
3765                         ret = 0;
3766                         break;
3767                 }
3768         }
3769         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3770
3771         return ret;
3772 }
3773
3774 int
3775 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3776         struct rte_eth_rxq_info *qinfo)
3777 {
3778         struct rte_eth_dev *dev;
3779
3780         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3781
3782         if (qinfo == NULL)
3783                 return -EINVAL;
3784
3785         dev = &rte_eth_devices[port_id];
3786         if (queue_id >= dev->data->nb_rx_queues) {
3787                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3788                 return -EINVAL;
3789         }
3790
3791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3792
3793         memset(qinfo, 0, sizeof(*qinfo));
3794         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3795         return 0;
3796 }
3797
3798 int
3799 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3800         struct rte_eth_txq_info *qinfo)
3801 {
3802         struct rte_eth_dev *dev;
3803
3804         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3805
3806         if (qinfo == NULL)
3807                 return -EINVAL;
3808
3809         dev = &rte_eth_devices[port_id];
3810         if (queue_id >= dev->data->nb_tx_queues) {
3811                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3812                 return -EINVAL;
3813         }
3814
3815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3816
3817         memset(qinfo, 0, sizeof(*qinfo));
3818         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3819         return 0;
3820 }
3821
3822 int
3823 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3824                              struct ether_addr *mc_addr_set,
3825                              uint32_t nb_mc_addr)
3826 {
3827         struct rte_eth_dev *dev;
3828
3829         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3830
3831         dev = &rte_eth_devices[port_id];
3832         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3833         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3834                                                 mc_addr_set, nb_mc_addr));
3835 }
3836
3837 int
3838 rte_eth_timesync_enable(uint16_t port_id)
3839 {
3840         struct rte_eth_dev *dev;
3841
3842         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3843         dev = &rte_eth_devices[port_id];
3844
3845         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3846         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
3847 }
3848
3849 int
3850 rte_eth_timesync_disable(uint16_t port_id)
3851 {
3852         struct rte_eth_dev *dev;
3853
3854         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3855         dev = &rte_eth_devices[port_id];
3856
3857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3858         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
3859 }
3860
3861 int
3862 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3863                                    uint32_t flags)
3864 {
3865         struct rte_eth_dev *dev;
3866
3867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3868         dev = &rte_eth_devices[port_id];
3869
3870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3871         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
3872                                 (dev, timestamp, flags));
3873 }
3874
3875 int
3876 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3877                                    struct timespec *timestamp)
3878 {
3879         struct rte_eth_dev *dev;
3880
3881         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3882         dev = &rte_eth_devices[port_id];
3883
3884         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3885         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
3886                                 (dev, timestamp));
3887 }
3888
3889 int
3890 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3891 {
3892         struct rte_eth_dev *dev;
3893
3894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3895         dev = &rte_eth_devices[port_id];
3896
3897         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3898         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
3899                                                                       delta));
3900 }
3901
3902 int
3903 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
3904 {
3905         struct rte_eth_dev *dev;
3906
3907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3908         dev = &rte_eth_devices[port_id];
3909
3910         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3911         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
3912                                                                 timestamp));
3913 }
3914
3915 int
3916 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
3917 {
3918         struct rte_eth_dev *dev;
3919
3920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3921         dev = &rte_eth_devices[port_id];
3922
3923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3924         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
3925                                                                 timestamp));
3926 }
3927
3928 int
3929 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
3930 {
3931         struct rte_eth_dev *dev;
3932
3933         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3934
3935         dev = &rte_eth_devices[port_id];
3936         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3937         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
3938 }
3939
3940 int
3941 rte_eth_dev_get_eeprom_length(uint16_t port_id)
3942 {
3943         struct rte_eth_dev *dev;
3944
3945         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3946
3947         dev = &rte_eth_devices[port_id];
3948         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3949         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
3950 }
3951
3952 int
3953 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3954 {
3955         struct rte_eth_dev *dev;
3956
3957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3958
3959         dev = &rte_eth_devices[port_id];
3960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3961         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
3962 }
3963
3964 int
3965 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3966 {
3967         struct rte_eth_dev *dev;
3968
3969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3970
3971         dev = &rte_eth_devices[port_id];
3972         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3973         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
3974 }
3975
3976 int __rte_experimental
3977 rte_eth_dev_get_module_info(uint16_t port_id,
3978                             struct rte_eth_dev_module_info *modinfo)
3979 {
3980         struct rte_eth_dev *dev;
3981
3982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3983
3984         dev = &rte_eth_devices[port_id];
3985         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
3986         return (*dev->dev_ops->get_module_info)(dev, modinfo);
3987 }
3988
3989 int __rte_experimental
3990 rte_eth_dev_get_module_eeprom(uint16_t port_id,
3991                               struct rte_dev_eeprom_info *info)
3992 {
3993         struct rte_eth_dev *dev;
3994
3995         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3996
3997         dev = &rte_eth_devices[port_id];
3998         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
3999         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4000 }
4001
4002 int
4003 rte_eth_dev_get_dcb_info(uint16_t port_id,
4004                              struct rte_eth_dcb_info *dcb_info)
4005 {
4006         struct rte_eth_dev *dev;
4007
4008         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4009
4010         dev = &rte_eth_devices[port_id];
4011         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4012
4013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4014         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4015 }
4016
4017 int
4018 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4019                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4020 {
4021         struct rte_eth_dev *dev;
4022
4023         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4024         if (l2_tunnel == NULL) {
4025                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4026                 return -EINVAL;
4027         }
4028
4029         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4030                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4031                 return -EINVAL;
4032         }
4033
4034         dev = &rte_eth_devices[port_id];
4035         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4036                                 -ENOTSUP);
4037         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4038                                                                 l2_tunnel));
4039 }
4040
4041 int
4042 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4043                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4044                                   uint32_t mask,
4045                                   uint8_t en)
4046 {
4047         struct rte_eth_dev *dev;
4048
4049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4050
4051         if (l2_tunnel == NULL) {
4052                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4053                 return -EINVAL;
4054         }
4055
4056         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4057                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4058                 return -EINVAL;
4059         }
4060
4061         if (mask == 0) {
4062                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4063                 return -EINVAL;
4064         }
4065
4066         dev = &rte_eth_devices[port_id];
4067         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4068                                 -ENOTSUP);
4069         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4070                                                         l2_tunnel, mask, en));
4071 }
4072
4073 static void
4074 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4075                            const struct rte_eth_desc_lim *desc_lim)
4076 {
4077         if (desc_lim->nb_align != 0)
4078                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4079
4080         if (desc_lim->nb_max != 0)
4081                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4082
4083         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4084 }
4085
4086 int
4087 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4088                                  uint16_t *nb_rx_desc,
4089                                  uint16_t *nb_tx_desc)
4090 {
4091         struct rte_eth_dev *dev;
4092         struct rte_eth_dev_info dev_info;
4093
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4095
4096         dev = &rte_eth_devices[port_id];
4097         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4098
4099         rte_eth_dev_info_get(port_id, &dev_info);
4100
4101         if (nb_rx_desc != NULL)
4102                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4103
4104         if (nb_tx_desc != NULL)
4105                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4106
4107         return 0;
4108 }
4109
4110 int
4111 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4112 {
4113         struct rte_eth_dev *dev;
4114
4115         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4116
4117         if (pool == NULL)
4118                 return -EINVAL;
4119
4120         dev = &rte_eth_devices[port_id];
4121
4122         if (*dev->dev_ops->pool_ops_supported == NULL)
4123                 return 1; /* all pools are supported */
4124
4125         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4126 }
4127
4128 RTE_INIT(ethdev_init_log);
4129 static void
4130 ethdev_init_log(void)
4131 {
4132         ethdev_logtype = rte_log_register("lib.ethdev");
4133         if (ethdev_logtype >= 0)
4134                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4135 }