lib/librte_ethdev/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 <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "rte_ether.h"
  41 #include "rte_ethdev.h"
  42 #include "rte_ethdev_driver.h"
  43 #include "ethdev_profile.h"
  44
  45 static int ethdev_logtype;
  46
  47 #define ethdev_log(level, fmt, ...) \
  48         rte_log(RTE_LOG_ ## level, ethdev_logtype, fmt "\n", ## __VA_ARGS__)
  49
  50 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  51 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  52 static uint8_t eth_dev_last_created_port;
  53
  54 /* spinlock for eth device callbacks */
  55 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove rx callbacks */
  58 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for add/remove tx callbacks */
  61 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* spinlock for shared data allocation */
  64 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  65
  66 /* store statistics names and its offset in stats structure  */
  67 struct rte_eth_xstats_name_off {
  68         char name[RTE_ETH_XSTATS_NAME_SIZE];
  69         unsigned offset;
  70 };
  71
  72 /* Shared memory between primary and secondary processes. */
  73 static struct {
  74         uint64_t next_owner_id;
  75         rte_spinlock_t ownership_lock;
  76         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  77 } *rte_eth_dev_shared_data;
  78
  79 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  80         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  81         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  82         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  83         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  84         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  85         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  86         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  87         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  88                 rx_nombuf)},
  89 };
  90
  91 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  92
  93 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  94         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  95         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  96         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  97 };
  98
  99 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 100                 sizeof(rte_rxq_stats_strings[0]))
 101
 102 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 103         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 104         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 105 };
 106 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 107                 sizeof(rte_txq_stats_strings[0]))
 108
 109 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 110         { DEV_RX_OFFLOAD_##_name, #_name }
 111
 112 static const struct {
 113         uint64_t offload;
 114         const char *name;
 115 } rte_rx_offload_names[] = {
 116         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 117         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 121         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 123         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 124         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 126         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 127         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 128         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 129         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 130         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 131         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161 };
 162
 163 #undef RTE_TX_OFFLOAD_BIT2STR
 164
 165 /**
 166  * The user application callback description.
 167  *
 168  * It contains callback address to be registered by user application,
 169  * the pointer to the parameters for callback, and the event type.
 170  */
 171 struct rte_eth_dev_callback {
 172         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 173         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 174         void *cb_arg;                           /**< Parameter for callback */
 175         void *ret_param;                        /**< Return parameter */
 176         enum rte_eth_event_type event;          /**< Interrupt event type */
 177         uint32_t active;                        /**< Callback is executing */
 178 };
 179
 180 enum {
 181         STAT_QMAP_TX = 0,
 182         STAT_QMAP_RX
 183 };
 184
 185 uint16_t
 186 rte_eth_find_next(uint16_t port_id)
 187 {
 188         while (port_id < RTE_MAX_ETHPORTS &&
 189                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 190                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 191                 port_id++;
 192
 193         if (port_id >= RTE_MAX_ETHPORTS)
 194                 return RTE_MAX_ETHPORTS;
 195
 196         return port_id;
 197 }
 198
 199 static void
 200 rte_eth_dev_shared_data_prepare(void)
 201 {
 202         const unsigned flags = 0;
 203         const struct rte_memzone *mz;
 204
 205         rte_spinlock_lock(&rte_eth_shared_data_lock);
 206
 207         if (rte_eth_dev_shared_data == NULL) {
 208                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 209                         /* Allocate port data and ownership shared memory. */
 210                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 211                                         sizeof(*rte_eth_dev_shared_data),
 212                                         rte_socket_id(), flags);
 213                 } else
 214                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 215                 if (mz == NULL)
 216                         rte_panic("Cannot allocate ethdev shared data\n");
 217
 218                 rte_eth_dev_shared_data = mz->addr;
 219                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 220                         rte_eth_dev_shared_data->next_owner_id =
 221                                         RTE_ETH_DEV_NO_OWNER + 1;
 222                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 223                         memset(rte_eth_dev_shared_data->data, 0,
 224                                sizeof(rte_eth_dev_shared_data->data));
 225                 }
 226         }
 227
 228         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 229 }
 230
 231 static bool
 232 is_allocated(const struct rte_eth_dev *ethdev)
 233 {
 234         return ethdev->data->name[0] != '\0';
 235 }
 236
 237 static struct rte_eth_dev *
 238 _rte_eth_dev_allocated(const char *name)
 239 {
 240         unsigned i;
 241
 242         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 243                 if (rte_eth_devices[i].data != NULL &&
 244                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 245                         return &rte_eth_devices[i];
 246         }
 247         return NULL;
 248 }
 249
 250 struct rte_eth_dev *
 251 rte_eth_dev_allocated(const char *name)
 252 {
 253         struct rte_eth_dev *ethdev;
 254
 255         rte_eth_dev_shared_data_prepare();
 256
 257         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 258
 259         ethdev = _rte_eth_dev_allocated(name);
 260
 261         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 262
 263         return ethdev;
 264 }
 265
 266 static uint16_t
 267 rte_eth_dev_find_free_port(void)
 268 {
 269         unsigned i;
 270
 271         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 272                 /* Using shared name field to find a free port. */
 273                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 274                         RTE_ASSERT(rte_eth_devices[i].state ==
 275                                    RTE_ETH_DEV_UNUSED);
 276                         return i;
 277                 }
 278         }
 279         return RTE_MAX_ETHPORTS;
 280 }
 281
 282 static struct rte_eth_dev *
 283 eth_dev_get(uint16_t port_id)
 284 {
 285         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 286
 287         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 288
 289         eth_dev_last_created_port = port_id;
 290
 291         return eth_dev;
 292 }
 293
 294 struct rte_eth_dev *
 295 rte_eth_dev_allocate(const char *name)
 296 {
 297         uint16_t port_id;
 298         struct rte_eth_dev *eth_dev = NULL;
 299
 300         rte_eth_dev_shared_data_prepare();
 301
 302         /* Synchronize port creation between primary and secondary threads. */
 303         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 304
 305         if (_rte_eth_dev_allocated(name) != NULL) {
 306                 ethdev_log(ERR, "Ethernet device with name %s already allocated",
 307                                 name);
 308                 goto unlock;
 309         }
 310
 311         port_id = rte_eth_dev_find_free_port();
 312         if (port_id == RTE_MAX_ETHPORTS) {
 313                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 314                 goto unlock;
 315         }
 316
 317         eth_dev = eth_dev_get(port_id);
 318         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 319         eth_dev->data->port_id = port_id;
 320         eth_dev->data->mtu = ETHER_MTU;
 321
 322 unlock:
 323         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 324
 325         if (eth_dev != NULL)
 326                 _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_NEW, NULL);
 327
 328         return eth_dev;
 329 }
 330
 331 /*
 332  * Attach to a port already registered by the primary process, which
 333  * makes sure that the same device would have the same port id both
 334  * in the primary and secondary process.
 335  */
 336 struct rte_eth_dev *
 337 rte_eth_dev_attach_secondary(const char *name)
 338 {
 339         uint16_t i;
 340         struct rte_eth_dev *eth_dev = NULL;
 341
 342         rte_eth_dev_shared_data_prepare();
 343
 344         /* Synchronize port attachment to primary port creation and release. */
 345         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 346
 347         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 348                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 349                         break;
 350         }
 351         if (i == RTE_MAX_ETHPORTS) {
 352                 RTE_PMD_DEBUG_TRACE(
 353                         "device %s is not driven by the primary process\n",
 354                         name);
 355         } else {
 356                 eth_dev = eth_dev_get(i);
 357                 RTE_ASSERT(eth_dev->data->port_id == i);
 358         }
 359
 360         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 361         return eth_dev;
 362 }
 363
 364 int
 365 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 366 {
 367         if (eth_dev == NULL)
 368                 return -EINVAL;
 369
 370         rte_eth_dev_shared_data_prepare();
 371
 372         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 373
 374         eth_dev->state = RTE_ETH_DEV_UNUSED;
 375
 376         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 377
 378         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 379
 380         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 381
 382         return 0;
 383 }
 384
 385 int
 386 rte_eth_dev_is_valid_port(uint16_t port_id)
 387 {
 388         if (port_id >= RTE_MAX_ETHPORTS ||
 389             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 390                 return 0;
 391         else
 392                 return 1;
 393 }
 394
 395 static int
 396 rte_eth_is_valid_owner_id(uint64_t owner_id)
 397 {
 398         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 399             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 400                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016"PRIX64".\n", owner_id);
 401                 return 0;
 402         }
 403         return 1;
 404 }
 405
 406 uint64_t
 407 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 408 {
 409         while (port_id < RTE_MAX_ETHPORTS &&
 410                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 411                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 412                rte_eth_devices[port_id].data->owner.id != owner_id))
 413                 port_id++;
 414
 415         if (port_id >= RTE_MAX_ETHPORTS)
 416                 return RTE_MAX_ETHPORTS;
 417
 418         return port_id;
 419 }
 420
 421 int __rte_experimental
 422 rte_eth_dev_owner_new(uint64_t *owner_id)
 423 {
 424         rte_eth_dev_shared_data_prepare();
 425
 426         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 427
 428         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 429
 430         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 431         return 0;
 432 }
 433
 434 static int
 435 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 436                        const struct rte_eth_dev_owner *new_owner)
 437 {
 438         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 439         struct rte_eth_dev_owner *port_owner;
 440         int sret;
 441
 442         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 443                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 444                 return -ENODEV;
 445         }
 446
 447         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 448             !rte_eth_is_valid_owner_id(old_owner_id))
 449                 return -EINVAL;
 450
 451         port_owner = &rte_eth_devices[port_id].data->owner;
 452         if (port_owner->id != old_owner_id) {
 453                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 454                                     " by %s_%016"PRIX64".\n", port_id,
 455                                     port_owner->name, port_owner->id);
 456                 return -EPERM;
 457         }
 458
 459         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 460                         new_owner->name);
 461         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 462                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 463                                     port_id);
 464
 465         port_owner->id = new_owner->id;
 466
 467         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016"PRIX64".\n", port_id,
 468                             new_owner->name, new_owner->id);
 469
 470         return 0;
 471 }
 472
 473 int __rte_experimental
 474 rte_eth_dev_owner_set(const uint16_t port_id,
 475                       const struct rte_eth_dev_owner *owner)
 476 {
 477         int ret;
 478
 479         rte_eth_dev_shared_data_prepare();
 480
 481         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 482
 483         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 484
 485         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 486         return ret;
 487 }
 488
 489 int __rte_experimental
 490 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 491 {
 492         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 493                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 494         int ret;
 495
 496         rte_eth_dev_shared_data_prepare();
 497
 498         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 499
 500         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 501
 502         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 503         return ret;
 504 }
 505
 506 void __rte_experimental
 507 rte_eth_dev_owner_delete(const uint64_t owner_id)
 508 {
 509         uint16_t port_id;
 510
 511         rte_eth_dev_shared_data_prepare();
 512
 513         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 514
 515         if (rte_eth_is_valid_owner_id(owner_id)) {
 516                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 517                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 518                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 519                                        sizeof(struct rte_eth_dev_owner));
 520                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64
 521                                 " identifier have removed.\n", owner_id);
 522         }
 523
 524         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 525 }
 526
 527 int __rte_experimental
 528 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 529 {
 530         int ret = 0;
 531         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 532
 533         rte_eth_dev_shared_data_prepare();
 534
 535         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 536
 537         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 538                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 539                 ret = -ENODEV;
 540         } else {
 541                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 542         }
 543
 544         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 545         return ret;
 546 }
 547
 548 int
 549 rte_eth_dev_socket_id(uint16_t port_id)
 550 {
 551         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 552         return rte_eth_devices[port_id].data->numa_node;
 553 }
 554
 555 void *
 556 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 557 {
 558         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 559         return rte_eth_devices[port_id].security_ctx;
 560 }
 561
 562 uint16_t
 563 rte_eth_dev_count(void)
 564 {
 565         return rte_eth_dev_count_avail();
 566 }
 567
 568 uint16_t
 569 rte_eth_dev_count_avail(void)
 570 {
 571         uint16_t p;
 572         uint16_t count;
 573
 574         count = 0;
 575
 576         RTE_ETH_FOREACH_DEV(p)
 577                 count++;
 578
 579         return count;
 580 }
 581
 582 uint16_t __rte_experimental
 583 rte_eth_dev_count_total(void)
 584 {
 585         uint16_t port, count = 0;
 586
 587         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 588                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 589                         count++;
 590
 591         return count;
 592 }
 593
 594 int
 595 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 596 {
 597         char *tmp;
 598
 599         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 600
 601         if (name == NULL) {
 602                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 603                 return -EINVAL;
 604         }
 605
 606         /* shouldn't check 'rte_eth_devices[i].data',
 607          * because it might be overwritten by VDEV PMD */
 608         tmp = rte_eth_dev_shared_data->data[port_id].name;
 609         strcpy(name, tmp);
 610         return 0;
 611 }
 612
 613 int
 614 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 615 {
 616         uint32_t pid;
 617
 618         if (name == NULL) {
 619                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 620                 return -EINVAL;
 621         }
 622
 623         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 624                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 625                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 626                         *port_id = pid;
 627                         return 0;
 628                 }
 629         }
 630
 631         return -ENODEV;
 632 }
 633
 634 static int
 635 eth_err(uint16_t port_id, int ret)
 636 {
 637         if (ret == 0)
 638                 return 0;
 639         if (rte_eth_dev_is_removed(port_id))
 640                 return -EIO;
 641         return ret;
 642 }
 643
 644 /* attach the new device, then store port_id of the device */
 645 int
 646 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 647 {
 648         int current = rte_eth_dev_count_total();
 649         struct rte_devargs da;
 650         int ret = -1;
 651
 652         memset(&da, 0, sizeof(da));
 653
 654         if ((devargs == NULL) || (port_id == NULL)) {
 655                 ret = -EINVAL;
 656                 goto err;
 657         }
 658
 659         /* parse devargs */
 660         if (rte_devargs_parse(&da, "%s", devargs))
 661                 goto err;
 662
 663         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 664         if (ret < 0)
 665                 goto err;
 666
 667         /* no point looking at the port count if no port exists */
 668         if (!rte_eth_dev_count_total()) {
 669                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 670                 ret = -1;
 671                 goto err;
 672         }
 673
 674         /* if nothing happened, there is a bug here, since some driver told us
 675          * it did attach a device, but did not create a port.
 676          * FIXME: race condition in case of plug-out of another device
 677          */
 678         if (current == rte_eth_dev_count_total()) {
 679                 ret = -1;
 680                 goto err;
 681         }
 682
 683         *port_id = eth_dev_last_created_port;
 684         ret = 0;
 685
 686 err:
 687         free(da.args);
 688         return ret;
 689 }
 690
 691 /* detach the device, then store the name of the device */
 692 int
 693 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 694 {
 695         struct rte_device *dev;
 696         struct rte_bus *bus;
 697         uint32_t dev_flags;
 698         int ret = -1;
 699
 700         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 701
 702         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 703         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 704                 ethdev_log(ERR,
 705                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 706                 return -ENOTSUP;
 707         }
 708
 709         dev = rte_eth_devices[port_id].device;
 710         if (dev == NULL)
 711                 return -EINVAL;
 712
 713         bus = rte_bus_find_by_device(dev);
 714         if (bus == NULL)
 715                 return -ENOENT;
 716
 717         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 718         if (ret < 0)
 719                 return ret;
 720
 721         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 722         return 0;
 723 }
 724
 725 static int
 726 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 727 {
 728         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 729         void **rxq;
 730         unsigned i;
 731
 732         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 733                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 734                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 735                                 RTE_CACHE_LINE_SIZE);
 736                 if (dev->data->rx_queues == NULL) {
 737                         dev->data->nb_rx_queues = 0;
 738                         return -(ENOMEM);
 739                 }
 740         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 741                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 742
 743                 rxq = dev->data->rx_queues;
 744
 745                 for (i = nb_queues; i < old_nb_queues; i++)
 746                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 747                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 748                                 RTE_CACHE_LINE_SIZE);
 749                 if (rxq == NULL)
 750                         return -(ENOMEM);
 751                 if (nb_queues > old_nb_queues) {
 752                         uint16_t new_qs = nb_queues - old_nb_queues;
 753
 754                         memset(rxq + old_nb_queues, 0,
 755                                 sizeof(rxq[0]) * new_qs);
 756                 }
 757
 758                 dev->data->rx_queues = rxq;
 759
 760         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 761                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 762
 763                 rxq = dev->data->rx_queues;
 764
 765                 for (i = nb_queues; i < old_nb_queues; i++)
 766                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 767
 768                 rte_free(dev->data->rx_queues);
 769                 dev->data->rx_queues = NULL;
 770         }
 771         dev->data->nb_rx_queues = nb_queues;
 772         return 0;
 773 }
 774
 775 int
 776 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 777 {
 778         struct rte_eth_dev *dev;
 779
 780         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 781
 782         dev = &rte_eth_devices[port_id];
 783         if (!dev->data->dev_started) {
 784                 RTE_PMD_DEBUG_TRACE(
 785                     "port %d must be started before start any queue\n", port_id);
 786                 return -EINVAL;
 787         }
 788
 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_start, -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 started\n",
 799                         rx_queue_id, port_id);
 800                 return 0;
 801         }
 802
 803         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 804                                                              rx_queue_id));
 805
 806 }
 807
 808 int
 809 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 810 {
 811         struct rte_eth_dev *dev;
 812
 813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 814
 815         dev = &rte_eth_devices[port_id];
 816         if (rx_queue_id >= dev->data->nb_rx_queues) {
 817                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 818                 return -EINVAL;
 819         }
 820
 821         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 822
 823         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 824                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 825                         " already stopped\n",
 826                         rx_queue_id, port_id);
 827                 return 0;
 828         }
 829
 830         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 831
 832 }
 833
 834 int
 835 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 836 {
 837         struct rte_eth_dev *dev;
 838
 839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 840
 841         dev = &rte_eth_devices[port_id];
 842         if (!dev->data->dev_started) {
 843                 RTE_PMD_DEBUG_TRACE(
 844                     "port %d must be started before start any queue\n", port_id);
 845                 return -EINVAL;
 846         }
 847
 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_start, -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 started\n",
 858                         tx_queue_id, port_id);
 859                 return 0;
 860         }
 861
 862         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 863                                                              tx_queue_id));
 864
 865 }
 866
 867 int
 868 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 869 {
 870         struct rte_eth_dev *dev;
 871
 872         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 873
 874         dev = &rte_eth_devices[port_id];
 875         if (tx_queue_id >= dev->data->nb_tx_queues) {
 876                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 877                 return -EINVAL;
 878         }
 879
 880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 881
 882         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 883                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 884                         " already stopped\n",
 885                         tx_queue_id, port_id);
 886                 return 0;
 887         }
 888
 889         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 890
 891 }
 892
 893 static int
 894 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 895 {
 896         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 897         void **txq;
 898         unsigned i;
 899
 900         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 901                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 902                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 903                                                    RTE_CACHE_LINE_SIZE);
 904                 if (dev->data->tx_queues == NULL) {
 905                         dev->data->nb_tx_queues = 0;
 906                         return -(ENOMEM);
 907                 }
 908         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 909                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 910
 911                 txq = dev->data->tx_queues;
 912
 913                 for (i = nb_queues; i < old_nb_queues; i++)
 914                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 915                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 916                                   RTE_CACHE_LINE_SIZE);
 917                 if (txq == NULL)
 918                         return -ENOMEM;
 919                 if (nb_queues > old_nb_queues) {
 920                         uint16_t new_qs = nb_queues - old_nb_queues;
 921
 922                         memset(txq + old_nb_queues, 0,
 923                                sizeof(txq[0]) * new_qs);
 924                 }
 925
 926                 dev->data->tx_queues = txq;
 927
 928         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 929                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 930
 931                 txq = dev->data->tx_queues;
 932
 933                 for (i = nb_queues; i < old_nb_queues; i++)
 934                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 935
 936                 rte_free(dev->data->tx_queues);
 937                 dev->data->tx_queues = NULL;
 938         }
 939         dev->data->nb_tx_queues = nb_queues;
 940         return 0;
 941 }
 942
 943 uint32_t
 944 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 945 {
 946         switch (speed) {
 947         case ETH_SPEED_NUM_10M:
 948                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 949         case ETH_SPEED_NUM_100M:
 950                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 951         case ETH_SPEED_NUM_1G:
 952                 return ETH_LINK_SPEED_1G;
 953         case ETH_SPEED_NUM_2_5G:
 954                 return ETH_LINK_SPEED_2_5G;
 955         case ETH_SPEED_NUM_5G:
 956                 return ETH_LINK_SPEED_5G;
 957         case ETH_SPEED_NUM_10G:
 958                 return ETH_LINK_SPEED_10G;
 959         case ETH_SPEED_NUM_20G:
 960                 return ETH_LINK_SPEED_20G;
 961         case ETH_SPEED_NUM_25G:
 962                 return ETH_LINK_SPEED_25G;
 963         case ETH_SPEED_NUM_40G:
 964                 return ETH_LINK_SPEED_40G;
 965         case ETH_SPEED_NUM_50G:
 966                 return ETH_LINK_SPEED_50G;
 967         case ETH_SPEED_NUM_56G:
 968                 return ETH_LINK_SPEED_56G;
 969         case ETH_SPEED_NUM_100G:
 970                 return ETH_LINK_SPEED_100G;
 971         default:
 972                 return 0;
 973         }
 974 }
 975
 976 /**
 977  * A conversion function from rxmode bitfield API.
 978  */
 979 static void
 980 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 981                                     uint64_t *rx_offloads)
 982 {
 983         uint64_t offloads = 0;
 984
 985         if (rxmode->header_split == 1)
 986                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 987         if (rxmode->hw_ip_checksum == 1)
 988                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 989         if (rxmode->hw_vlan_filter == 1)
 990                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 991         if (rxmode->hw_vlan_strip == 1)
 992                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 993         if (rxmode->hw_vlan_extend == 1)
 994                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 995         if (rxmode->jumbo_frame == 1)
 996                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 997         if (rxmode->hw_strip_crc == 1)
 998                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 999         if (rxmode->enable_scatter == 1)
1000                 offloads |= DEV_RX_OFFLOAD_SCATTER;
1001         if (rxmode->enable_lro == 1)
1002                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1003         if (rxmode->hw_timestamp == 1)
1004                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1005         if (rxmode->security == 1)
1006                 offloads |= DEV_RX_OFFLOAD_SECURITY;
1007
1008         *rx_offloads = offloads;
1009 }
1010
1011 const char * __rte_experimental
1012 rte_eth_dev_rx_offload_name(uint64_t offload)
1013 {
1014         const char *name = "UNKNOWN";
1015         unsigned int i;
1016
1017         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1018                 if (offload == rte_rx_offload_names[i].offload) {
1019                         name = rte_rx_offload_names[i].name;
1020                         break;
1021                 }
1022         }
1023
1024         return name;
1025 }
1026
1027 const char * __rte_experimental
1028 rte_eth_dev_tx_offload_name(uint64_t offload)
1029 {
1030         const char *name = "UNKNOWN";
1031         unsigned int i;
1032
1033         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1034                 if (offload == rte_tx_offload_names[i].offload) {
1035                         name = rte_tx_offload_names[i].name;
1036                         break;
1037                 }
1038         }
1039
1040         return name;
1041 }
1042
1043 int
1044 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1045                       const struct rte_eth_conf *dev_conf)
1046 {
1047         struct rte_eth_dev *dev;
1048         struct rte_eth_dev_info dev_info;
1049         struct rte_eth_conf local_conf = *dev_conf;
1050         int diag;
1051
1052         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1053
1054         dev = &rte_eth_devices[port_id];
1055
1056         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1057         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1058
1059         rte_eth_dev_info_get(port_id, &dev_info);
1060
1061         /* If number of queues specified by application for both Rx and Tx is
1062          * zero, use driver preferred values. This cannot be done individually
1063          * as it is valid for either Tx or Rx (but not both) to be zero.
1064          * If driver does not provide any preferred valued, fall back on
1065          * EAL defaults.
1066          */
1067         if (nb_rx_q == 0 && nb_tx_q == 0) {
1068                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1069                 if (nb_rx_q == 0)
1070                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1071                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1072                 if (nb_tx_q == 0)
1073                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1074         }
1075
1076         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1077                 RTE_PMD_DEBUG_TRACE(
1078                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1079                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1080                 return -EINVAL;
1081         }
1082
1083         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1084                 RTE_PMD_DEBUG_TRACE(
1085                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1086                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1087                 return -EINVAL;
1088         }
1089
1090         if (dev->data->dev_started) {
1091                 RTE_PMD_DEBUG_TRACE(
1092                     "port %d must be stopped to allow configuration\n", port_id);
1093                 return -EBUSY;
1094         }
1095
1096         /*
1097          * Convert between the offloads API to enable PMDs to support
1098          * only one of them.
1099          */
1100         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1101                 rte_eth_convert_rx_offload_bitfield(
1102                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1103
1104         /* Copy the dev_conf parameter into the dev structure */
1105         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1106
1107         /*
1108          * Check that the numbers of RX and TX queues are not greater
1109          * than the maximum number of RX and TX queues supported by the
1110          * configured device.
1111          */
1112         if (nb_rx_q > dev_info.max_rx_queues) {
1113                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1114                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1115                 return -EINVAL;
1116         }
1117
1118         if (nb_tx_q > dev_info.max_tx_queues) {
1119                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1120                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1121                 return -EINVAL;
1122         }
1123
1124         /* Check that the device supports requested interrupts */
1125         if ((dev_conf->intr_conf.lsc == 1) &&
1126                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1127                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1128                                         dev->device->driver->name);
1129                         return -EINVAL;
1130         }
1131         if ((dev_conf->intr_conf.rmv == 1) &&
1132             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1133                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1134                                     dev->device->driver->name);
1135                 return -EINVAL;
1136         }
1137
1138         /*
1139          * If jumbo frames are enabled, check that the maximum RX packet
1140          * length is supported by the configured device.
1141          */
1142         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1143                 if (dev_conf->rxmode.max_rx_pkt_len >
1144                     dev_info.max_rx_pktlen) {
1145                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1146                                 " > max valid value %u\n",
1147                                 port_id,
1148                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1149                                 (unsigned)dev_info.max_rx_pktlen);
1150                         return -EINVAL;
1151                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1152                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1153                                 " < min valid value %u\n",
1154                                 port_id,
1155                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1156                                 (unsigned)ETHER_MIN_LEN);
1157                         return -EINVAL;
1158                 }
1159         } else {
1160                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1161                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1162                         /* Use default value */
1163                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1164                                                         ETHER_MAX_LEN;
1165         }
1166
1167         /* Any requested offloading must be within its device capabilities */
1168         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1169              local_conf.rxmode.offloads) {
1170                 ethdev_log(ERR, "ethdev port_id=%d requested Rx offloads "
1171                                 "0x%" PRIx64 " doesn't match Rx offloads "
1172                                 "capabilities 0x%" PRIx64 " in %s()\n",
1173                                 port_id,
1174                                 local_conf.rxmode.offloads,
1175                                 dev_info.rx_offload_capa,
1176                                 __func__);
1177                 /* Will return -EINVAL in the next release */
1178         }
1179         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1180              local_conf.txmode.offloads) {
1181                 ethdev_log(ERR, "ethdev port_id=%d requested Tx offloads "
1182                                 "0x%" PRIx64 " doesn't match Tx offloads "
1183                                 "capabilities 0x%" PRIx64 " in %s()\n",
1184                                 port_id,
1185                                 local_conf.txmode.offloads,
1186                                 dev_info.tx_offload_capa,
1187                                 __func__);
1188                 /* Will return -EINVAL in the next release */
1189         }
1190
1191         /* Check that device supports requested rss hash functions. */
1192         if ((dev_info.flow_type_rss_offloads |
1193              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1194             dev_info.flow_type_rss_offloads) {
1195                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1196                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1197                                     port_id,
1198                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1199                                     dev_info.flow_type_rss_offloads);
1200         }
1201
1202         /*
1203          * Setup new number of RX/TX queues and reconfigure device.
1204          */
1205         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1206         if (diag != 0) {
1207                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1208                                 port_id, diag);
1209                 return diag;
1210         }
1211
1212         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1213         if (diag != 0) {
1214                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1215                                 port_id, diag);
1216                 rte_eth_dev_rx_queue_config(dev, 0);
1217                 return diag;
1218         }
1219
1220         diag = (*dev->dev_ops->dev_configure)(dev);
1221         if (diag != 0) {
1222                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1223                                 port_id, diag);
1224                 rte_eth_dev_rx_queue_config(dev, 0);
1225                 rte_eth_dev_tx_queue_config(dev, 0);
1226                 return eth_err(port_id, diag);
1227         }
1228
1229         /* Initialize Rx profiling if enabled at compilation time. */
1230         diag = __rte_eth_profile_rx_init(port_id, dev);
1231         if (diag != 0) {
1232                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1233                                 port_id, diag);
1234                 rte_eth_dev_rx_queue_config(dev, 0);
1235                 rte_eth_dev_tx_queue_config(dev, 0);
1236                 return eth_err(port_id, diag);
1237         }
1238
1239         return 0;
1240 }
1241
1242 void
1243 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1244 {
1245         if (dev->data->dev_started) {
1246                 RTE_PMD_DEBUG_TRACE(
1247                         "port %d must be stopped to allow reset\n",
1248                         dev->data->port_id);
1249                 return;
1250         }
1251
1252         rte_eth_dev_rx_queue_config(dev, 0);
1253         rte_eth_dev_tx_queue_config(dev, 0);
1254
1255         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1256 }
1257
1258 static void
1259 rte_eth_dev_config_restore(uint16_t port_id)
1260 {
1261         struct rte_eth_dev *dev;
1262         struct rte_eth_dev_info dev_info;
1263         struct ether_addr *addr;
1264         uint16_t i;
1265         uint32_t pool = 0;
1266         uint64_t pool_mask;
1267
1268         dev = &rte_eth_devices[port_id];
1269
1270         rte_eth_dev_info_get(port_id, &dev_info);
1271
1272         /* replay MAC address configuration including default MAC */
1273         addr = &dev->data->mac_addrs[0];
1274         if (*dev->dev_ops->mac_addr_set != NULL)
1275                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1276         else if (*dev->dev_ops->mac_addr_add != NULL)
1277                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1278
1279         if (*dev->dev_ops->mac_addr_add != NULL) {
1280                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1281                         addr = &dev->data->mac_addrs[i];
1282
1283                         /* skip zero address */
1284                         if (is_zero_ether_addr(addr))
1285                                 continue;
1286
1287                         pool = 0;
1288                         pool_mask = dev->data->mac_pool_sel[i];
1289
1290                         do {
1291                                 if (pool_mask & 1ULL)
1292                                         (*dev->dev_ops->mac_addr_add)(dev,
1293                                                 addr, i, pool);
1294                                 pool_mask >>= 1;
1295                                 pool++;
1296                         } while (pool_mask);
1297                 }
1298         }
1299
1300         /* replay promiscuous configuration */
1301         if (rte_eth_promiscuous_get(port_id) == 1)
1302                 rte_eth_promiscuous_enable(port_id);
1303         else if (rte_eth_promiscuous_get(port_id) == 0)
1304                 rte_eth_promiscuous_disable(port_id);
1305
1306         /* replay all multicast configuration */
1307         if (rte_eth_allmulticast_get(port_id) == 1)
1308                 rte_eth_allmulticast_enable(port_id);
1309         else if (rte_eth_allmulticast_get(port_id) == 0)
1310                 rte_eth_allmulticast_disable(port_id);
1311 }
1312
1313 int
1314 rte_eth_dev_start(uint16_t port_id)
1315 {
1316         struct rte_eth_dev *dev;
1317         int diag;
1318
1319         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1320
1321         dev = &rte_eth_devices[port_id];
1322
1323         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1324
1325         if (dev->data->dev_started != 0) {
1326                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1327                         " already started\n",
1328                         port_id);
1329                 return 0;
1330         }
1331
1332         diag = (*dev->dev_ops->dev_start)(dev);
1333         if (diag == 0)
1334                 dev->data->dev_started = 1;
1335         else
1336                 return eth_err(port_id, diag);
1337
1338         rte_eth_dev_config_restore(port_id);
1339
1340         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1341                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1342                 (*dev->dev_ops->link_update)(dev, 0);
1343         }
1344         return 0;
1345 }
1346
1347 void
1348 rte_eth_dev_stop(uint16_t port_id)
1349 {
1350         struct rte_eth_dev *dev;
1351
1352         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1353         dev = &rte_eth_devices[port_id];
1354
1355         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1356
1357         if (dev->data->dev_started == 0) {
1358                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1359                         " already stopped\n",
1360                         port_id);
1361                 return;
1362         }
1363
1364         dev->data->dev_started = 0;
1365         (*dev->dev_ops->dev_stop)(dev);
1366 }
1367
1368 int
1369 rte_eth_dev_set_link_up(uint16_t port_id)
1370 {
1371         struct rte_eth_dev *dev;
1372
1373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1374
1375         dev = &rte_eth_devices[port_id];
1376
1377         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1378         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1379 }
1380
1381 int
1382 rte_eth_dev_set_link_down(uint16_t port_id)
1383 {
1384         struct rte_eth_dev *dev;
1385
1386         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1387
1388         dev = &rte_eth_devices[port_id];
1389
1390         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1391         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1392 }
1393
1394 void
1395 rte_eth_dev_close(uint16_t port_id)
1396 {
1397         struct rte_eth_dev *dev;
1398
1399         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1400         dev = &rte_eth_devices[port_id];
1401
1402         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1403         dev->data->dev_started = 0;
1404         (*dev->dev_ops->dev_close)(dev);
1405
1406         dev->data->nb_rx_queues = 0;
1407         rte_free(dev->data->rx_queues);
1408         dev->data->rx_queues = NULL;
1409         dev->data->nb_tx_queues = 0;
1410         rte_free(dev->data->tx_queues);
1411         dev->data->tx_queues = NULL;
1412 }
1413
1414 int
1415 rte_eth_dev_reset(uint16_t port_id)
1416 {
1417         struct rte_eth_dev *dev;
1418         int ret;
1419
1420         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1421         dev = &rte_eth_devices[port_id];
1422
1423         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1424
1425         rte_eth_dev_stop(port_id);
1426         ret = dev->dev_ops->dev_reset(dev);
1427
1428         return eth_err(port_id, ret);
1429 }
1430
1431 int __rte_experimental
1432 rte_eth_dev_is_removed(uint16_t port_id)
1433 {
1434         struct rte_eth_dev *dev;
1435         int ret;
1436
1437         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1438
1439         dev = &rte_eth_devices[port_id];
1440
1441         if (dev->state == RTE_ETH_DEV_REMOVED)
1442                 return 1;
1443
1444         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1445
1446         ret = dev->dev_ops->is_removed(dev);
1447         if (ret != 0)
1448                 /* Device is physically removed. */
1449                 dev->state = RTE_ETH_DEV_REMOVED;
1450
1451         return ret;
1452 }
1453
1454 int
1455 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1456                        uint16_t nb_rx_desc, unsigned int socket_id,
1457                        const struct rte_eth_rxconf *rx_conf,
1458                        struct rte_mempool *mp)
1459 {
1460         int ret;
1461         uint32_t mbp_buf_size;
1462         struct rte_eth_dev *dev;
1463         struct rte_eth_dev_info dev_info;
1464         struct rte_eth_rxconf local_conf;
1465         void **rxq;
1466
1467         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1468
1469         dev = &rte_eth_devices[port_id];
1470         if (rx_queue_id >= dev->data->nb_rx_queues) {
1471                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1472                 return -EINVAL;
1473         }
1474
1475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1476         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1477
1478         /*
1479          * Check the size of the mbuf data buffer.
1480          * This value must be provided in the private data of the memory pool.
1481          * First check that the memory pool has a valid private data.
1482          */
1483         rte_eth_dev_info_get(port_id, &dev_info);
1484         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1485                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1486                                 mp->name, (int) mp->private_data_size,
1487                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1488                 return -ENOSPC;
1489         }
1490         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1491
1492         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1493                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1494                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1495                                 "=%d)\n",
1496                                 mp->name,
1497                                 (int)mbp_buf_size,
1498                                 (int)(RTE_PKTMBUF_HEADROOM +
1499                                       dev_info.min_rx_bufsize),
1500                                 (int)RTE_PKTMBUF_HEADROOM,
1501                                 (int)dev_info.min_rx_bufsize);
1502                 return -EINVAL;
1503         }
1504
1505         /* Use default specified by driver, if nb_rx_desc is zero */
1506         if (nb_rx_desc == 0) {
1507                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1508                 /* If driver default is also zero, fall back on EAL default */
1509                 if (nb_rx_desc == 0)
1510                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1511         }
1512
1513         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1514                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1515                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1516
1517                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1518                         "should be: <= %hu, = %hu, and a product of %hu\n",
1519                         nb_rx_desc,
1520                         dev_info.rx_desc_lim.nb_max,
1521                         dev_info.rx_desc_lim.nb_min,
1522                         dev_info.rx_desc_lim.nb_align);
1523                 return -EINVAL;
1524         }
1525
1526         if (dev->data->dev_started &&
1527                 !(dev_info.dev_capa &
1528                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1529                 return -EBUSY;
1530
1531         if (dev->data->rx_queue_state[rx_queue_id] !=
1532                 RTE_ETH_QUEUE_STATE_STOPPED)
1533                 return -EBUSY;
1534
1535         rxq = dev->data->rx_queues;
1536         if (rxq[rx_queue_id]) {
1537                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1538                                         -ENOTSUP);
1539                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1540                 rxq[rx_queue_id] = NULL;
1541         }
1542
1543         if (rx_conf == NULL)
1544                 rx_conf = &dev_info.default_rxconf;
1545
1546         local_conf = *rx_conf;
1547         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1548                 /**
1549                  * Reflect port offloads to queue offloads in order for
1550                  * offloads to not be discarded.
1551                  */
1552                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1553                                                     &local_conf.offloads);
1554         }
1555
1556         /*
1557          * If an offloading has already been enabled in
1558          * rte_eth_dev_configure(), it has been enabled on all queues,
1559          * so there is no need to enable it in this queue again.
1560          * The local_conf.offloads input to underlying PMD only carries
1561          * those offloadings which are only enabled on this queue and
1562          * not enabled on all queues.
1563          */
1564         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1565
1566         /*
1567          * New added offloadings for this queue are those not enabled in
1568          * rte_eth_dev_configure() and they must be per-queue type.
1569          * A pure per-port offloading can't be enabled on a queue while
1570          * disabled on another queue. A pure per-port offloading can't
1571          * be enabled for any queue as new added one if it hasn't been
1572          * enabled in rte_eth_dev_configure().
1573          */
1574         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1575              local_conf.offloads) {
1576                 ethdev_log(ERR, "Ethdev port_id=%d rx_queue_id=%d, new "
1577                                 "added offloads 0x%" PRIx64 " must be "
1578                                 "within pre-queue offload capabilities 0x%"
1579                                 PRIx64 " in %s()\n",
1580                                 port_id,
1581                                 rx_queue_id,
1582                                 local_conf.offloads,
1583                                 dev_info.rx_queue_offload_capa,
1584                                 __func__);
1585                 /* Will return -EINVAL in the next release */
1586         }
1587
1588         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1589                                               socket_id, &local_conf, mp);
1590         if (!ret) {
1591                 if (!dev->data->min_rx_buf_size ||
1592                     dev->data->min_rx_buf_size > mbp_buf_size)
1593                         dev->data->min_rx_buf_size = mbp_buf_size;
1594         }
1595
1596         return eth_err(port_id, ret);
1597 }
1598
1599 /**
1600  * Convert from tx offloads to txq_flags.
1601  */
1602 static void
1603 rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t *txq_flags)
1604 {
1605         uint32_t flags = 0;
1606
1607         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1608                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1609         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1610                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1611         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1612                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1613         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1614                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1615         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1616                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1617         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1618                 flags |= ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP;
1619
1620         *txq_flags = flags;
1621 }
1622
1623 /**
1624  * A conversion function from txq_flags API.
1625  */
1626 static void
1627 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1628 {
1629         uint64_t offloads = 0;
1630
1631         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1632                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1633         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1634                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1635         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1636                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1637         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1638                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1639         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1640                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1641         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1642             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1643                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1644
1645         *tx_offloads = offloads;
1646 }
1647
1648 int
1649 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1650                        uint16_t nb_tx_desc, unsigned int socket_id,
1651                        const struct rte_eth_txconf *tx_conf)
1652 {
1653         struct rte_eth_dev *dev;
1654         struct rte_eth_dev_info dev_info;
1655         struct rte_eth_txconf local_conf;
1656         void **txq;
1657
1658         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1659
1660         dev = &rte_eth_devices[port_id];
1661         if (tx_queue_id >= dev->data->nb_tx_queues) {
1662                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1663                 return -EINVAL;
1664         }
1665
1666         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1667         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1668
1669         rte_eth_dev_info_get(port_id, &dev_info);
1670
1671         /* Use default specified by driver, if nb_tx_desc is zero */
1672         if (nb_tx_desc == 0) {
1673                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1674                 /* If driver default is zero, fall back on EAL default */
1675                 if (nb_tx_desc == 0)
1676                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1677         }
1678         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1679             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1680             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1681                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1682                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1683                                 nb_tx_desc,
1684                                 dev_info.tx_desc_lim.nb_max,
1685                                 dev_info.tx_desc_lim.nb_min,
1686                                 dev_info.tx_desc_lim.nb_align);
1687                 return -EINVAL;
1688         }
1689
1690         if (dev->data->dev_started &&
1691                 !(dev_info.dev_capa &
1692                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1693                 return -EBUSY;
1694
1695         if (dev->data->tx_queue_state[tx_queue_id] !=
1696                 RTE_ETH_QUEUE_STATE_STOPPED)
1697                 return -EBUSY;
1698
1699         txq = dev->data->tx_queues;
1700         if (txq[tx_queue_id]) {
1701                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1702                                         -ENOTSUP);
1703                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1704                 txq[tx_queue_id] = NULL;
1705         }
1706
1707         if (tx_conf == NULL)
1708                 tx_conf = &dev_info.default_txconf;
1709
1710         /*
1711          * Convert between the offloads API to enable PMDs to support
1712          * only one of them.
1713          */
1714         local_conf = *tx_conf;
1715         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1716                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1717                                           &local_conf.offloads);
1718         }
1719
1720         /*
1721          * If an offloading has already been enabled in
1722          * rte_eth_dev_configure(), it has been enabled on all queues,
1723          * so there is no need to enable it in this queue again.
1724          * The local_conf.offloads input to underlying PMD only carries
1725          * those offloadings which are only enabled on this queue and
1726          * not enabled on all queues.
1727          */
1728         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1729
1730         /*
1731          * New added offloadings for this queue are those not enabled in
1732          * rte_eth_dev_configure() and they must be per-queue type.
1733          * A pure per-port offloading can't be enabled on a queue while
1734          * disabled on another queue. A pure per-port offloading can't
1735          * be enabled for any queue as new added one if it hasn't been
1736          * enabled in rte_eth_dev_configure().
1737          */
1738         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1739              local_conf.offloads) {
1740                 ethdev_log(ERR, "Ethdev port_id=%d tx_queue_id=%d, new "
1741                                 "added offloads 0x%" PRIx64 " must be "
1742                                 "within pre-queue offload capabilities 0x%"
1743                                 PRIx64 " in %s()\n",
1744                                 port_id,
1745                                 tx_queue_id,
1746                                 local_conf.offloads,
1747                                 dev_info.tx_queue_offload_capa,
1748                                 __func__);
1749                 /* Will return -EINVAL in the next release */
1750         }
1751
1752         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1753                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1754 }
1755
1756 void
1757 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1758                 void *userdata __rte_unused)
1759 {
1760         unsigned i;
1761
1762         for (i = 0; i < unsent; i++)
1763                 rte_pktmbuf_free(pkts[i]);
1764 }
1765
1766 void
1767 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1768                 void *userdata)
1769 {
1770         uint64_t *count = userdata;
1771         unsigned i;
1772
1773         for (i = 0; i < unsent; i++)
1774                 rte_pktmbuf_free(pkts[i]);
1775
1776         *count += unsent;
1777 }
1778
1779 int
1780 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1781                 buffer_tx_error_fn cbfn, void *userdata)
1782 {
1783         buffer->error_callback = cbfn;
1784         buffer->error_userdata = userdata;
1785         return 0;
1786 }
1787
1788 int
1789 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1790 {
1791         int ret = 0;
1792
1793         if (buffer == NULL)
1794                 return -EINVAL;
1795
1796         buffer->size = size;
1797         if (buffer->error_callback == NULL) {
1798                 ret = rte_eth_tx_buffer_set_err_callback(
1799                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1800         }
1801
1802         return ret;
1803 }
1804
1805 int
1806 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1807 {
1808         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1809         int ret;
1810
1811         /* Validate Input Data. Bail if not valid or not supported. */
1812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1813         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1814
1815         /* Call driver to free pending mbufs. */
1816         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1817                                                free_cnt);
1818         return eth_err(port_id, ret);
1819 }
1820
1821 void
1822 rte_eth_promiscuous_enable(uint16_t port_id)
1823 {
1824         struct rte_eth_dev *dev;
1825
1826         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1827         dev = &rte_eth_devices[port_id];
1828
1829         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1830         (*dev->dev_ops->promiscuous_enable)(dev);
1831         dev->data->promiscuous = 1;
1832 }
1833
1834 void
1835 rte_eth_promiscuous_disable(uint16_t port_id)
1836 {
1837         struct rte_eth_dev *dev;
1838
1839         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1840         dev = &rte_eth_devices[port_id];
1841
1842         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1843         dev->data->promiscuous = 0;
1844         (*dev->dev_ops->promiscuous_disable)(dev);
1845 }
1846
1847 int
1848 rte_eth_promiscuous_get(uint16_t port_id)
1849 {
1850         struct rte_eth_dev *dev;
1851
1852         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1853
1854         dev = &rte_eth_devices[port_id];
1855         return dev->data->promiscuous;
1856 }
1857
1858 void
1859 rte_eth_allmulticast_enable(uint16_t port_id)
1860 {
1861         struct rte_eth_dev *dev;
1862
1863         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1864         dev = &rte_eth_devices[port_id];
1865
1866         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1867         (*dev->dev_ops->allmulticast_enable)(dev);
1868         dev->data->all_multicast = 1;
1869 }
1870
1871 void
1872 rte_eth_allmulticast_disable(uint16_t port_id)
1873 {
1874         struct rte_eth_dev *dev;
1875
1876         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1877         dev = &rte_eth_devices[port_id];
1878
1879         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1880         dev->data->all_multicast = 0;
1881         (*dev->dev_ops->allmulticast_disable)(dev);
1882 }
1883
1884 int
1885 rte_eth_allmulticast_get(uint16_t port_id)
1886 {
1887         struct rte_eth_dev *dev;
1888
1889         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1890
1891         dev = &rte_eth_devices[port_id];
1892         return dev->data->all_multicast;
1893 }
1894
1895 void
1896 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1897 {
1898         struct rte_eth_dev *dev;
1899
1900         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1901         dev = &rte_eth_devices[port_id];
1902
1903         if (dev->data->dev_conf.intr_conf.lsc &&
1904             dev->data->dev_started)
1905                 rte_eth_linkstatus_get(dev, eth_link);
1906         else {
1907                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1908                 (*dev->dev_ops->link_update)(dev, 1);
1909                 *eth_link = dev->data->dev_link;
1910         }
1911 }
1912
1913 void
1914 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1915 {
1916         struct rte_eth_dev *dev;
1917
1918         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1919         dev = &rte_eth_devices[port_id];
1920
1921         if (dev->data->dev_conf.intr_conf.lsc &&
1922             dev->data->dev_started)
1923                 rte_eth_linkstatus_get(dev, eth_link);
1924         else {
1925                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1926                 (*dev->dev_ops->link_update)(dev, 0);
1927                 *eth_link = dev->data->dev_link;
1928         }
1929 }
1930
1931 int
1932 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1933 {
1934         struct rte_eth_dev *dev;
1935
1936         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1937
1938         dev = &rte_eth_devices[port_id];
1939         memset(stats, 0, sizeof(*stats));
1940
1941         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1942         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1943         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1944 }
1945
1946 int
1947 rte_eth_stats_reset(uint16_t port_id)
1948 {
1949         struct rte_eth_dev *dev;
1950
1951         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1952         dev = &rte_eth_devices[port_id];
1953
1954         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1955         (*dev->dev_ops->stats_reset)(dev);
1956         dev->data->rx_mbuf_alloc_failed = 0;
1957
1958         return 0;
1959 }
1960
1961 static inline int
1962 get_xstats_basic_count(struct rte_eth_dev *dev)
1963 {
1964         uint16_t nb_rxqs, nb_txqs;
1965         int count;
1966
1967         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1968         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1969
1970         count = RTE_NB_STATS;
1971         count += nb_rxqs * RTE_NB_RXQ_STATS;
1972         count += nb_txqs * RTE_NB_TXQ_STATS;
1973
1974         return count;
1975 }
1976
1977 static int
1978 get_xstats_count(uint16_t port_id)
1979 {
1980         struct rte_eth_dev *dev;
1981         int count;
1982
1983         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1984         dev = &rte_eth_devices[port_id];
1985         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1986                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1987                                 NULL, 0);
1988                 if (count < 0)
1989                         return eth_err(port_id, count);
1990         }
1991         if (dev->dev_ops->xstats_get_names != NULL) {
1992                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1993                 if (count < 0)
1994                         return eth_err(port_id, count);
1995         } else
1996                 count = 0;
1997
1998
1999         count += get_xstats_basic_count(dev);
2000
2001         return count;
2002 }
2003
2004 int
2005 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2006                 uint64_t *id)
2007 {
2008         int cnt_xstats, idx_xstat;
2009
2010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2011
2012         if (!id) {
2013                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
2014                 return -ENOMEM;
2015         }
2016
2017         if (!xstat_name) {
2018                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
2019                 return -ENOMEM;
2020         }
2021
2022         /* Get count */
2023         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2024         if (cnt_xstats  < 0) {
2025                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
2026                 return -ENODEV;
2027         }
2028
2029         /* Get id-name lookup table */
2030         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2031
2032         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2033                         port_id, xstats_names, cnt_xstats, NULL)) {
2034                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
2035                 return -1;
2036         }
2037
2038         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2039                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2040                         *id = idx_xstat;
2041                         return 0;
2042                 };
2043         }
2044
2045         return -EINVAL;
2046 }
2047
2048 /* retrieve basic stats names */
2049 static int
2050 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2051         struct rte_eth_xstat_name *xstats_names)
2052 {
2053         int cnt_used_entries = 0;
2054         uint32_t idx, id_queue;
2055         uint16_t num_q;
2056
2057         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2058                 snprintf(xstats_names[cnt_used_entries].name,
2059                         sizeof(xstats_names[0].name),
2060                         "%s", rte_stats_strings[idx].name);
2061                 cnt_used_entries++;
2062         }
2063         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2064         for (id_queue = 0; id_queue < num_q; id_queue++) {
2065                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2066                         snprintf(xstats_names[cnt_used_entries].name,
2067                                 sizeof(xstats_names[0].name),
2068                                 "rx_q%u%s",
2069                                 id_queue, rte_rxq_stats_strings[idx].name);
2070                         cnt_used_entries++;
2071                 }
2072
2073         }
2074         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2075         for (id_queue = 0; id_queue < num_q; id_queue++) {
2076                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2077                         snprintf(xstats_names[cnt_used_entries].name,
2078                                 sizeof(xstats_names[0].name),
2079                                 "tx_q%u%s",
2080                                 id_queue, rte_txq_stats_strings[idx].name);
2081                         cnt_used_entries++;
2082                 }
2083         }
2084         return cnt_used_entries;
2085 }
2086
2087 /* retrieve ethdev extended statistics names */
2088 int
2089 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2090         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2091         uint64_t *ids)
2092 {
2093         struct rte_eth_xstat_name *xstats_names_copy;
2094         unsigned int no_basic_stat_requested = 1;
2095         unsigned int no_ext_stat_requested = 1;
2096         unsigned int expected_entries;
2097         unsigned int basic_count;
2098         struct rte_eth_dev *dev;
2099         unsigned int i;
2100         int ret;
2101
2102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2103         dev = &rte_eth_devices[port_id];
2104
2105         basic_count = get_xstats_basic_count(dev);
2106         ret = get_xstats_count(port_id);
2107         if (ret < 0)
2108                 return ret;
2109         expected_entries = (unsigned int)ret;
2110
2111         /* Return max number of stats if no ids given */
2112         if (!ids) {
2113                 if (!xstats_names)
2114                         return expected_entries;
2115                 else if (xstats_names && size < expected_entries)
2116                         return expected_entries;
2117         }
2118
2119         if (ids && !xstats_names)
2120                 return -EINVAL;
2121
2122         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2123                 uint64_t ids_copy[size];
2124
2125                 for (i = 0; i < size; i++) {
2126                         if (ids[i] < basic_count) {
2127                                 no_basic_stat_requested = 0;
2128                                 break;
2129                         }
2130
2131                         /*
2132                          * Convert ids to xstats ids that PMD knows.
2133                          * ids known by user are basic + extended stats.
2134                          */
2135                         ids_copy[i] = ids[i] - basic_count;
2136                 }
2137
2138                 if (no_basic_stat_requested)
2139                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2140                                         xstats_names, ids_copy, size);
2141         }
2142
2143         /* Retrieve all stats */
2144         if (!ids) {
2145                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2146                                 expected_entries);
2147                 if (num_stats < 0 || num_stats > (int)expected_entries)
2148                         return num_stats;
2149                 else
2150                         return expected_entries;
2151         }
2152
2153         xstats_names_copy = calloc(expected_entries,
2154                 sizeof(struct rte_eth_xstat_name));
2155
2156         if (!xstats_names_copy) {
2157                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2158                 return -ENOMEM;
2159         }
2160
2161         if (ids) {
2162                 for (i = 0; i < size; i++) {
2163                         if (ids[i] >= basic_count) {
2164                                 no_ext_stat_requested = 0;
2165                                 break;
2166                         }
2167                 }
2168         }
2169
2170         /* Fill xstats_names_copy structure */
2171         if (ids && no_ext_stat_requested) {
2172                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2173         } else {
2174                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2175                         expected_entries);
2176                 if (ret < 0) {
2177                         free(xstats_names_copy);
2178                         return ret;
2179                 }
2180         }
2181
2182         /* Filter stats */
2183         for (i = 0; i < size; i++) {
2184                 if (ids[i] >= expected_entries) {
2185                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2186                         free(xstats_names_copy);
2187                         return -1;
2188                 }
2189                 xstats_names[i] = xstats_names_copy[ids[i]];
2190         }
2191
2192         free(xstats_names_copy);
2193         return size;
2194 }
2195
2196 int
2197 rte_eth_xstats_get_names(uint16_t port_id,
2198         struct rte_eth_xstat_name *xstats_names,
2199         unsigned int size)
2200 {
2201         struct rte_eth_dev *dev;
2202         int cnt_used_entries;
2203         int cnt_expected_entries;
2204         int cnt_driver_entries;
2205
2206         cnt_expected_entries = get_xstats_count(port_id);
2207         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2208                         (int)size < cnt_expected_entries)
2209                 return cnt_expected_entries;
2210
2211         /* port_id checked in get_xstats_count() */
2212         dev = &rte_eth_devices[port_id];
2213
2214         cnt_used_entries = rte_eth_basic_stats_get_names(
2215                 dev, xstats_names);
2216
2217         if (dev->dev_ops->xstats_get_names != NULL) {
2218                 /* If there are any driver-specific xstats, append them
2219                  * to end of list.
2220                  */
2221                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2222                         dev,
2223                         xstats_names + cnt_used_entries,
2224                         size - cnt_used_entries);
2225                 if (cnt_driver_entries < 0)
2226                         return eth_err(port_id, cnt_driver_entries);
2227                 cnt_used_entries += cnt_driver_entries;
2228         }
2229
2230         return cnt_used_entries;
2231 }
2232
2233
2234 static int
2235 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2236 {
2237         struct rte_eth_dev *dev;
2238         struct rte_eth_stats eth_stats;
2239         unsigned int count = 0, i, q;
2240         uint64_t val, *stats_ptr;
2241         uint16_t nb_rxqs, nb_txqs;
2242         int ret;
2243
2244         ret = rte_eth_stats_get(port_id, &eth_stats);
2245         if (ret < 0)
2246                 return ret;
2247
2248         dev = &rte_eth_devices[port_id];
2249
2250         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2251         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2252
2253         /* global stats */
2254         for (i = 0; i < RTE_NB_STATS; i++) {
2255                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2256                                         rte_stats_strings[i].offset);
2257                 val = *stats_ptr;
2258                 xstats[count++].value = val;
2259         }
2260
2261         /* per-rxq stats */
2262         for (q = 0; q < nb_rxqs; q++) {
2263                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2264                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2265                                         rte_rxq_stats_strings[i].offset +
2266                                         q * sizeof(uint64_t));
2267                         val = *stats_ptr;
2268                         xstats[count++].value = val;
2269                 }
2270         }
2271
2272         /* per-txq stats */
2273         for (q = 0; q < nb_txqs; q++) {
2274                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2275                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2276                                         rte_txq_stats_strings[i].offset +
2277                                         q * sizeof(uint64_t));
2278                         val = *stats_ptr;
2279                         xstats[count++].value = val;
2280                 }
2281         }
2282         return count;
2283 }
2284
2285 /* retrieve ethdev extended statistics */
2286 int
2287 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2288                          uint64_t *values, unsigned int size)
2289 {
2290         unsigned int no_basic_stat_requested = 1;
2291         unsigned int no_ext_stat_requested = 1;
2292         unsigned int num_xstats_filled;
2293         unsigned int basic_count;
2294         uint16_t expected_entries;
2295         struct rte_eth_dev *dev;
2296         unsigned int i;
2297         int ret;
2298
2299         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2300         ret = get_xstats_count(port_id);
2301         if (ret < 0)
2302                 return ret;
2303         expected_entries = (uint16_t)ret;
2304         struct rte_eth_xstat xstats[expected_entries];
2305         dev = &rte_eth_devices[port_id];
2306         basic_count = get_xstats_basic_count(dev);
2307
2308         /* Return max number of stats if no ids given */
2309         if (!ids) {
2310                 if (!values)
2311                         return expected_entries;
2312                 else if (values && size < expected_entries)
2313                         return expected_entries;
2314         }
2315
2316         if (ids && !values)
2317                 return -EINVAL;
2318
2319         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2320                 unsigned int basic_count = get_xstats_basic_count(dev);
2321                 uint64_t ids_copy[size];
2322
2323                 for (i = 0; i < size; i++) {
2324                         if (ids[i] < basic_count) {
2325                                 no_basic_stat_requested = 0;
2326                                 break;
2327                         }
2328
2329                         /*
2330                          * Convert ids to xstats ids that PMD knows.
2331                          * ids known by user are basic + extended stats.
2332                          */
2333                         ids_copy[i] = ids[i] - basic_count;
2334                 }
2335
2336                 if (no_basic_stat_requested)
2337                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2338                                         values, size);
2339         }
2340
2341         if (ids) {
2342                 for (i = 0; i < size; i++) {
2343                         if (ids[i] >= basic_count) {
2344                                 no_ext_stat_requested = 0;
2345                                 break;
2346                         }
2347                 }
2348         }
2349
2350         /* Fill the xstats structure */
2351         if (ids && no_ext_stat_requested)
2352                 ret = rte_eth_basic_stats_get(port_id, xstats);
2353         else
2354                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2355
2356         if (ret < 0)
2357                 return ret;
2358         num_xstats_filled = (unsigned int)ret;
2359
2360         /* Return all stats */
2361         if (!ids) {
2362                 for (i = 0; i < num_xstats_filled; i++)
2363                         values[i] = xstats[i].value;
2364                 return expected_entries;
2365         }
2366
2367         /* Filter stats */
2368         for (i = 0; i < size; i++) {
2369                 if (ids[i] >= expected_entries) {
2370                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2371                         return -1;
2372                 }
2373                 values[i] = xstats[ids[i]].value;
2374         }
2375         return size;
2376 }
2377
2378 int
2379 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2380         unsigned int n)
2381 {
2382         struct rte_eth_dev *dev;
2383         unsigned int count = 0, i;
2384         signed int xcount = 0;
2385         uint16_t nb_rxqs, nb_txqs;
2386         int ret;
2387
2388         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2389
2390         dev = &rte_eth_devices[port_id];
2391
2392         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2393         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2394
2395         /* Return generic statistics */
2396         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2397                 (nb_txqs * RTE_NB_TXQ_STATS);
2398
2399         /* implemented by the driver */
2400         if (dev->dev_ops->xstats_get != NULL) {
2401                 /* Retrieve the xstats from the driver at the end of the
2402                  * xstats struct.
2403                  */
2404                 xcount = (*dev->dev_ops->xstats_get)(dev,
2405                                      xstats ? xstats + count : NULL,
2406                                      (n > count) ? n - count : 0);
2407
2408                 if (xcount < 0)
2409                         return eth_err(port_id, xcount);
2410         }
2411
2412         if (n < count + xcount || xstats == NULL)
2413                 return count + xcount;
2414
2415         /* now fill the xstats structure */
2416         ret = rte_eth_basic_stats_get(port_id, xstats);
2417         if (ret < 0)
2418                 return ret;
2419         count = ret;
2420
2421         for (i = 0; i < count; i++)
2422                 xstats[i].id = i;
2423         /* add an offset to driver-specific stats */
2424         for ( ; i < count + xcount; i++)
2425                 xstats[i].id += count;
2426
2427         return count + xcount;
2428 }
2429
2430 /* reset ethdev extended statistics */
2431 void
2432 rte_eth_xstats_reset(uint16_t port_id)
2433 {
2434         struct rte_eth_dev *dev;
2435
2436         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2437         dev = &rte_eth_devices[port_id];
2438
2439         /* implemented by the driver */
2440         if (dev->dev_ops->xstats_reset != NULL) {
2441                 (*dev->dev_ops->xstats_reset)(dev);
2442                 return;
2443         }
2444
2445         /* fallback to default */
2446         rte_eth_stats_reset(port_id);
2447 }
2448
2449 static int
2450 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2451                 uint8_t is_rx)
2452 {
2453         struct rte_eth_dev *dev;
2454
2455         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2456
2457         dev = &rte_eth_devices[port_id];
2458
2459         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2460         return (*dev->dev_ops->queue_stats_mapping_set)
2461                         (dev, queue_id, stat_idx, is_rx);
2462 }
2463
2464
2465 int
2466 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2467                 uint8_t stat_idx)
2468 {
2469         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2470                                                 stat_idx, STAT_QMAP_TX));
2471 }
2472
2473
2474 int
2475 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2476                 uint8_t stat_idx)
2477 {
2478         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2479                                                 stat_idx, STAT_QMAP_RX));
2480 }
2481
2482 int
2483 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2484 {
2485         struct rte_eth_dev *dev;
2486
2487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2488         dev = &rte_eth_devices[port_id];
2489
2490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2491         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2492                                                         fw_version, fw_size));
2493 }
2494
2495 void
2496 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2497 {
2498         struct rte_eth_dev *dev;
2499         struct rte_eth_txconf *txconf;
2500         const struct rte_eth_desc_lim lim = {
2501                 .nb_max = UINT16_MAX,
2502                 .nb_min = 0,
2503                 .nb_align = 1,
2504         };
2505
2506         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2507         dev = &rte_eth_devices[port_id];
2508
2509         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2510         dev_info->rx_desc_lim = lim;
2511         dev_info->tx_desc_lim = lim;
2512         dev_info->device = dev->device;
2513
2514         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2515         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2516         dev_info->driver_name = dev->device->driver->name;
2517         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2518         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2519
2520         dev_info->dev_flags = &dev->data->dev_flags;
2521         txconf = &dev_info->default_txconf;
2522         /* convert offload to txq_flags to support legacy app */
2523         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
2524 }
2525
2526 int
2527 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2528                                  uint32_t *ptypes, int num)
2529 {
2530         int i, j;
2531         struct rte_eth_dev *dev;
2532         const uint32_t *all_ptypes;
2533
2534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2535         dev = &rte_eth_devices[port_id];
2536         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2537         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2538
2539         if (!all_ptypes)
2540                 return 0;
2541
2542         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2543                 if (all_ptypes[i] & ptype_mask) {
2544                         if (j < num)
2545                                 ptypes[j] = all_ptypes[i];
2546                         j++;
2547                 }
2548
2549         return j;
2550 }
2551
2552 void
2553 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2554 {
2555         struct rte_eth_dev *dev;
2556
2557         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2558         dev = &rte_eth_devices[port_id];
2559         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2560 }
2561
2562
2563 int
2564 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2565 {
2566         struct rte_eth_dev *dev;
2567
2568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2569
2570         dev = &rte_eth_devices[port_id];
2571         *mtu = dev->data->mtu;
2572         return 0;
2573 }
2574
2575 int
2576 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2577 {
2578         int ret;
2579         struct rte_eth_dev *dev;
2580
2581         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2582         dev = &rte_eth_devices[port_id];
2583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2584
2585         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2586         if (!ret)
2587                 dev->data->mtu = mtu;
2588
2589         return eth_err(port_id, ret);
2590 }
2591
2592 int
2593 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2594 {
2595         struct rte_eth_dev *dev;
2596         int ret;
2597
2598         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2599         dev = &rte_eth_devices[port_id];
2600         if (!(dev->data->dev_conf.rxmode.offloads &
2601               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2602                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2603                 return -ENOSYS;
2604         }
2605
2606         if (vlan_id > 4095) {
2607                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2608                                 port_id, (unsigned) vlan_id);
2609                 return -EINVAL;
2610         }
2611         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2612
2613         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2614         if (ret == 0) {
2615                 struct rte_vlan_filter_conf *vfc;
2616                 int vidx;
2617                 int vbit;
2618
2619                 vfc = &dev->data->vlan_filter_conf;
2620                 vidx = vlan_id / 64;
2621                 vbit = vlan_id % 64;
2622
2623                 if (on)
2624                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2625                 else
2626                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2627         }
2628
2629         return eth_err(port_id, ret);
2630 }
2631
2632 int
2633 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2634                                     int on)
2635 {
2636         struct rte_eth_dev *dev;
2637
2638         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2639         dev = &rte_eth_devices[port_id];
2640         if (rx_queue_id >= dev->data->nb_rx_queues) {
2641                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2642                 return -EINVAL;
2643         }
2644
2645         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2646         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2647
2648         return 0;
2649 }
2650
2651 int
2652 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2653                                 enum rte_vlan_type vlan_type,
2654                                 uint16_t tpid)
2655 {
2656         struct rte_eth_dev *dev;
2657
2658         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2659         dev = &rte_eth_devices[port_id];
2660         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2661
2662         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2663                                                                tpid));
2664 }
2665
2666 int
2667 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2668 {
2669         struct rte_eth_dev *dev;
2670         int ret = 0;
2671         int mask = 0;
2672         int cur, org = 0;
2673         uint64_t orig_offloads;
2674
2675         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2676         dev = &rte_eth_devices[port_id];
2677
2678         /* save original values in case of failure */
2679         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2680
2681         /*check which option changed by application*/
2682         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2683         org = !!(dev->data->dev_conf.rxmode.offloads &
2684                  DEV_RX_OFFLOAD_VLAN_STRIP);
2685         if (cur != org) {
2686                 if (cur)
2687                         dev->data->dev_conf.rxmode.offloads |=
2688                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2689                 else
2690                         dev->data->dev_conf.rxmode.offloads &=
2691                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2692                 mask |= ETH_VLAN_STRIP_MASK;
2693         }
2694
2695         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2696         org = !!(dev->data->dev_conf.rxmode.offloads &
2697                  DEV_RX_OFFLOAD_VLAN_FILTER);
2698         if (cur != org) {
2699                 if (cur)
2700                         dev->data->dev_conf.rxmode.offloads |=
2701                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2702                 else
2703                         dev->data->dev_conf.rxmode.offloads &=
2704                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2705                 mask |= ETH_VLAN_FILTER_MASK;
2706         }
2707
2708         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2709         org = !!(dev->data->dev_conf.rxmode.offloads &
2710                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2711         if (cur != org) {
2712                 if (cur)
2713                         dev->data->dev_conf.rxmode.offloads |=
2714                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2715                 else
2716                         dev->data->dev_conf.rxmode.offloads &=
2717                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2718                 mask |= ETH_VLAN_EXTEND_MASK;
2719         }
2720
2721         /*no change*/
2722         if (mask == 0)
2723                 return ret;
2724
2725         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2726         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2727         if (ret) {
2728                 /* hit an error restore  original values */
2729                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2730         }
2731
2732         return eth_err(port_id, ret);
2733 }
2734
2735 int
2736 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2737 {
2738         struct rte_eth_dev *dev;
2739         int ret = 0;
2740
2741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2742         dev = &rte_eth_devices[port_id];
2743
2744         if (dev->data->dev_conf.rxmode.offloads &
2745             DEV_RX_OFFLOAD_VLAN_STRIP)
2746                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2747
2748         if (dev->data->dev_conf.rxmode.offloads &
2749             DEV_RX_OFFLOAD_VLAN_FILTER)
2750                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2751
2752         if (dev->data->dev_conf.rxmode.offloads &
2753             DEV_RX_OFFLOAD_VLAN_EXTEND)
2754                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2755
2756         return ret;
2757 }
2758
2759 int
2760 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2761 {
2762         struct rte_eth_dev *dev;
2763
2764         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2765         dev = &rte_eth_devices[port_id];
2766         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2767
2768         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2769 }
2770
2771 int
2772 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2773 {
2774         struct rte_eth_dev *dev;
2775
2776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2777         dev = &rte_eth_devices[port_id];
2778         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2779         memset(fc_conf, 0, sizeof(*fc_conf));
2780         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2781 }
2782
2783 int
2784 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2785 {
2786         struct rte_eth_dev *dev;
2787
2788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2789         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2790                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2791                 return -EINVAL;
2792         }
2793
2794         dev = &rte_eth_devices[port_id];
2795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2796         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2797 }
2798
2799 int
2800 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2801                                    struct rte_eth_pfc_conf *pfc_conf)
2802 {
2803         struct rte_eth_dev *dev;
2804
2805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2806         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2807                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2808                 return -EINVAL;
2809         }
2810
2811         dev = &rte_eth_devices[port_id];
2812         /* High water, low water validation are device specific */
2813         if  (*dev->dev_ops->priority_flow_ctrl_set)
2814                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2815                                         (dev, pfc_conf));
2816         return -ENOTSUP;
2817 }
2818
2819 static int
2820 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2821                         uint16_t reta_size)
2822 {
2823         uint16_t i, num;
2824
2825         if (!reta_conf)
2826                 return -EINVAL;
2827
2828         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2829         for (i = 0; i < num; i++) {
2830                 if (reta_conf[i].mask)
2831                         return 0;
2832         }
2833
2834         return -EINVAL;
2835 }
2836
2837 static int
2838 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2839                          uint16_t reta_size,
2840                          uint16_t max_rxq)
2841 {
2842         uint16_t i, idx, shift;
2843
2844         if (!reta_conf)
2845                 return -EINVAL;
2846
2847         if (max_rxq == 0) {
2848                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2849                 return -EINVAL;
2850         }
2851
2852         for (i = 0; i < reta_size; i++) {
2853                 idx = i / RTE_RETA_GROUP_SIZE;
2854                 shift = i % RTE_RETA_GROUP_SIZE;
2855                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2856                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2857                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2858                                 "the maximum rxq index: %u\n", idx, shift,
2859                                 reta_conf[idx].reta[shift], max_rxq);
2860                         return -EINVAL;
2861                 }
2862         }
2863
2864         return 0;
2865 }
2866
2867 int
2868 rte_eth_dev_rss_reta_update(uint16_t port_id,
2869                             struct rte_eth_rss_reta_entry64 *reta_conf,
2870                             uint16_t reta_size)
2871 {
2872         struct rte_eth_dev *dev;
2873         int ret;
2874
2875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2876         /* Check mask bits */
2877         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2878         if (ret < 0)
2879                 return ret;
2880
2881         dev = &rte_eth_devices[port_id];
2882
2883         /* Check entry value */
2884         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2885                                 dev->data->nb_rx_queues);
2886         if (ret < 0)
2887                 return ret;
2888
2889         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2890         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2891                                                              reta_size));
2892 }
2893
2894 int
2895 rte_eth_dev_rss_reta_query(uint16_t port_id,
2896                            struct rte_eth_rss_reta_entry64 *reta_conf,
2897                            uint16_t reta_size)
2898 {
2899         struct rte_eth_dev *dev;
2900         int ret;
2901
2902         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2903
2904         /* Check mask bits */
2905         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2906         if (ret < 0)
2907                 return ret;
2908
2909         dev = &rte_eth_devices[port_id];
2910         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2911         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2912                                                             reta_size));
2913 }
2914
2915 int
2916 rte_eth_dev_rss_hash_update(uint16_t port_id,
2917                             struct rte_eth_rss_conf *rss_conf)
2918 {
2919         struct rte_eth_dev *dev;
2920         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2921
2922         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2923         dev = &rte_eth_devices[port_id];
2924         rte_eth_dev_info_get(port_id, &dev_info);
2925         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2926             dev_info.flow_type_rss_offloads) {
2927                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2928                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2929                                     port_id,
2930                                     rss_conf->rss_hf,
2931                                     dev_info.flow_type_rss_offloads);
2932         }
2933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2934         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2935                                                                  rss_conf));
2936 }
2937
2938 int
2939 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2940                               struct rte_eth_rss_conf *rss_conf)
2941 {
2942         struct rte_eth_dev *dev;
2943
2944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2945         dev = &rte_eth_devices[port_id];
2946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2947         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2948                                                                    rss_conf));
2949 }
2950
2951 int
2952 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2953                                 struct rte_eth_udp_tunnel *udp_tunnel)
2954 {
2955         struct rte_eth_dev *dev;
2956
2957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2958         if (udp_tunnel == NULL) {
2959                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2960                 return -EINVAL;
2961         }
2962
2963         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2964                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2965                 return -EINVAL;
2966         }
2967
2968         dev = &rte_eth_devices[port_id];
2969         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2970         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2971                                                                 udp_tunnel));
2972 }
2973
2974 int
2975 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2976                                    struct rte_eth_udp_tunnel *udp_tunnel)
2977 {
2978         struct rte_eth_dev *dev;
2979
2980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2981         dev = &rte_eth_devices[port_id];
2982
2983         if (udp_tunnel == NULL) {
2984                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2985                 return -EINVAL;
2986         }
2987
2988         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2989                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2990                 return -EINVAL;
2991         }
2992
2993         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2994         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2995                                                                 udp_tunnel));
2996 }
2997
2998 int
2999 rte_eth_led_on(uint16_t port_id)
3000 {
3001         struct rte_eth_dev *dev;
3002
3003         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3004         dev = &rte_eth_devices[port_id];
3005         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3006         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3007 }
3008
3009 int
3010 rte_eth_led_off(uint16_t port_id)
3011 {
3012         struct rte_eth_dev *dev;
3013
3014         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3015         dev = &rte_eth_devices[port_id];
3016         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3017         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3018 }
3019
3020 /*
3021  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3022  * an empty spot.
3023  */
3024 static int
3025 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3026 {
3027         struct rte_eth_dev_info dev_info;
3028         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3029         unsigned i;
3030
3031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3032         rte_eth_dev_info_get(port_id, &dev_info);
3033
3034         for (i = 0; i < dev_info.max_mac_addrs; i++)
3035                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3036                         return i;
3037
3038         return -1;
3039 }
3040
3041 static const struct ether_addr null_mac_addr;
3042
3043 int
3044 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3045                         uint32_t pool)
3046 {
3047         struct rte_eth_dev *dev;
3048         int index;
3049         uint64_t pool_mask;
3050         int ret;
3051
3052         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3053         dev = &rte_eth_devices[port_id];
3054         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3055
3056         if (is_zero_ether_addr(addr)) {
3057                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3058                         port_id);
3059                 return -EINVAL;
3060         }
3061         if (pool >= ETH_64_POOLS) {
3062                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
3063                 return -EINVAL;
3064         }
3065
3066         index = get_mac_addr_index(port_id, addr);
3067         if (index < 0) {
3068                 index = get_mac_addr_index(port_id, &null_mac_addr);
3069                 if (index < 0) {
3070                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3071                                 port_id);
3072                         return -ENOSPC;
3073                 }
3074         } else {
3075                 pool_mask = dev->data->mac_pool_sel[index];
3076
3077                 /* Check if both MAC address and pool is already there, and do nothing */
3078                 if (pool_mask & (1ULL << pool))
3079                         return 0;
3080         }
3081
3082         /* Update NIC */
3083         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3084
3085         if (ret == 0) {
3086                 /* Update address in NIC data structure */
3087                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3088
3089                 /* Update pool bitmap in NIC data structure */
3090                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3091         }
3092
3093         return eth_err(port_id, ret);
3094 }
3095
3096 int
3097 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3098 {
3099         struct rte_eth_dev *dev;
3100         int index;
3101
3102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3103         dev = &rte_eth_devices[port_id];
3104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3105
3106         index = get_mac_addr_index(port_id, addr);
3107         if (index == 0) {
3108                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3109                 return -EADDRINUSE;
3110         } else if (index < 0)
3111                 return 0;  /* Do nothing if address wasn't found */
3112
3113         /* Update NIC */
3114         (*dev->dev_ops->mac_addr_remove)(dev, index);
3115
3116         /* Update address in NIC data structure */
3117         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3118
3119         /* reset pool bitmap */
3120         dev->data->mac_pool_sel[index] = 0;
3121
3122         return 0;
3123 }
3124
3125 int
3126 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3127 {
3128         struct rte_eth_dev *dev;
3129         int ret;
3130
3131         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3132
3133         if (!is_valid_assigned_ether_addr(addr))
3134                 return -EINVAL;
3135
3136         dev = &rte_eth_devices[port_id];
3137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3138
3139         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3140         if (ret < 0)
3141                 return ret;
3142
3143         /* Update default address in NIC data structure */
3144         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3145
3146         return 0;
3147 }
3148
3149
3150 /*
3151  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3152  * an empty spot.
3153  */
3154 static int
3155 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3156 {
3157         struct rte_eth_dev_info dev_info;
3158         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3159         unsigned i;
3160
3161         rte_eth_dev_info_get(port_id, &dev_info);
3162         if (!dev->data->hash_mac_addrs)
3163                 return -1;
3164
3165         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3166                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3167                         ETHER_ADDR_LEN) == 0)
3168                         return i;
3169
3170         return -1;
3171 }
3172
3173 int
3174 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3175                                 uint8_t on)
3176 {
3177         int index;
3178         int ret;
3179         struct rte_eth_dev *dev;
3180
3181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3182
3183         dev = &rte_eth_devices[port_id];
3184         if (is_zero_ether_addr(addr)) {
3185                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3186                         port_id);
3187                 return -EINVAL;
3188         }
3189
3190         index = get_hash_mac_addr_index(port_id, addr);
3191         /* Check if it's already there, and do nothing */
3192         if ((index >= 0) && on)
3193                 return 0;
3194
3195         if (index < 0) {
3196                 if (!on) {
3197                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3198                                 "set in UTA\n", port_id);
3199                         return -EINVAL;
3200                 }
3201
3202                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3203                 if (index < 0) {
3204                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3205                                         port_id);
3206                         return -ENOSPC;
3207                 }
3208         }
3209
3210         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3211         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3212         if (ret == 0) {
3213                 /* Update address in NIC data structure */
3214                 if (on)
3215                         ether_addr_copy(addr,
3216                                         &dev->data->hash_mac_addrs[index]);
3217                 else
3218                         ether_addr_copy(&null_mac_addr,
3219                                         &dev->data->hash_mac_addrs[index]);
3220         }
3221
3222         return eth_err(port_id, ret);
3223 }
3224
3225 int
3226 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3227 {
3228         struct rte_eth_dev *dev;
3229
3230         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3231
3232         dev = &rte_eth_devices[port_id];
3233
3234         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3235         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3236                                                                        on));
3237 }
3238
3239 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3240                                         uint16_t tx_rate)
3241 {
3242         struct rte_eth_dev *dev;
3243         struct rte_eth_dev_info dev_info;
3244         struct rte_eth_link link;
3245
3246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3247
3248         dev = &rte_eth_devices[port_id];
3249         rte_eth_dev_info_get(port_id, &dev_info);
3250         link = dev->data->dev_link;
3251
3252         if (queue_idx > dev_info.max_tx_queues) {
3253                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3254                                 "invalid queue id=%d\n", port_id, queue_idx);
3255                 return -EINVAL;
3256         }
3257
3258         if (tx_rate > link.link_speed) {
3259                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3260                                 "bigger than link speed= %d\n",
3261                         tx_rate, link.link_speed);
3262                 return -EINVAL;
3263         }
3264
3265         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3266         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3267                                                         queue_idx, tx_rate));
3268 }
3269
3270 int
3271 rte_eth_mirror_rule_set(uint16_t port_id,
3272                         struct rte_eth_mirror_conf *mirror_conf,
3273                         uint8_t rule_id, uint8_t on)
3274 {
3275         struct rte_eth_dev *dev;
3276
3277         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3278         if (mirror_conf->rule_type == 0) {
3279                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3280                 return -EINVAL;
3281         }
3282
3283         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3284                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3285                                 ETH_64_POOLS - 1);
3286                 return -EINVAL;
3287         }
3288
3289         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3290              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3291             (mirror_conf->pool_mask == 0)) {
3292                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3293                 return -EINVAL;
3294         }
3295
3296         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3297             mirror_conf->vlan.vlan_mask == 0) {
3298                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3299                 return -EINVAL;
3300         }
3301
3302         dev = &rte_eth_devices[port_id];
3303         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3304
3305         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3306                                                 mirror_conf, rule_id, on));
3307 }
3308
3309 int
3310 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3311 {
3312         struct rte_eth_dev *dev;
3313
3314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3315
3316         dev = &rte_eth_devices[port_id];
3317         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3318
3319         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3320                                                                    rule_id));
3321 }
3322
3323 RTE_INIT(eth_dev_init_cb_lists)
3324 {
3325         int i;
3326
3327         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3328                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3329 }
3330
3331 int
3332 rte_eth_dev_callback_register(uint16_t port_id,
3333                         enum rte_eth_event_type event,
3334                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3335 {
3336         struct rte_eth_dev *dev;
3337         struct rte_eth_dev_callback *user_cb;
3338         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3339         uint16_t last_port;
3340
3341         if (!cb_fn)
3342                 return -EINVAL;
3343
3344         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3345                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3346                 return -EINVAL;
3347         }
3348
3349         if (port_id == RTE_ETH_ALL) {
3350                 next_port = 0;
3351                 last_port = RTE_MAX_ETHPORTS - 1;
3352         } else {
3353                 next_port = last_port = port_id;
3354         }
3355
3356         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3357
3358         do {
3359                 dev = &rte_eth_devices[next_port];
3360
3361                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3362                         if (user_cb->cb_fn == cb_fn &&
3363                                 user_cb->cb_arg == cb_arg &&
3364                                 user_cb->event == event) {
3365                                 break;
3366                         }
3367                 }
3368
3369                 /* create a new callback. */
3370                 if (user_cb == NULL) {
3371                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3372                                 sizeof(struct rte_eth_dev_callback), 0);
3373                         if (user_cb != NULL) {
3374                                 user_cb->cb_fn = cb_fn;
3375                                 user_cb->cb_arg = cb_arg;
3376                                 user_cb->event = event;
3377                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3378                                                   user_cb, next);
3379                         } else {
3380                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3381                                 rte_eth_dev_callback_unregister(port_id, event,
3382                                                                 cb_fn, cb_arg);
3383                                 return -ENOMEM;
3384                         }
3385
3386                 }
3387         } while (++next_port <= last_port);
3388
3389         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3390         return 0;
3391 }
3392
3393 int
3394 rte_eth_dev_callback_unregister(uint16_t port_id,
3395                         enum rte_eth_event_type event,
3396                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3397 {
3398         int ret;
3399         struct rte_eth_dev *dev;
3400         struct rte_eth_dev_callback *cb, *next;
3401         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3402         uint16_t last_port;
3403
3404         if (!cb_fn)
3405                 return -EINVAL;
3406
3407         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3408                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3409                 return -EINVAL;
3410         }
3411
3412         if (port_id == RTE_ETH_ALL) {
3413                 next_port = 0;
3414                 last_port = RTE_MAX_ETHPORTS - 1;
3415         } else {
3416                 next_port = last_port = port_id;
3417         }
3418
3419         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3420
3421         do {
3422                 dev = &rte_eth_devices[next_port];
3423                 ret = 0;
3424                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3425                      cb = next) {
3426
3427                         next = TAILQ_NEXT(cb, next);
3428
3429                         if (cb->cb_fn != cb_fn || cb->event != event ||
3430                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3431                                 continue;
3432
3433                         /*
3434                          * if this callback is not executing right now,
3435                          * then remove it.
3436                          */
3437                         if (cb->active == 0) {
3438                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3439                                 rte_free(cb);
3440                         } else {
3441                                 ret = -EAGAIN;
3442                         }
3443                 }
3444         } while (++next_port <= last_port);
3445
3446         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3447         return ret;
3448 }
3449
3450 int
3451 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3452         enum rte_eth_event_type event, void *ret_param)
3453 {
3454         struct rte_eth_dev_callback *cb_lst;
3455         struct rte_eth_dev_callback dev_cb;
3456         int rc = 0;
3457
3458         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3459         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3460                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3461                         continue;
3462                 dev_cb = *cb_lst;
3463                 cb_lst->active = 1;
3464                 if (ret_param != NULL)
3465                         dev_cb.ret_param = ret_param;
3466
3467                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3468                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3469                                 dev_cb.cb_arg, dev_cb.ret_param);
3470                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3471                 cb_lst->active = 0;
3472         }
3473         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3474         return rc;
3475 }
3476
3477 void
3478 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3479 {
3480         if (dev == NULL)
3481                 return;
3482
3483         dev->state = RTE_ETH_DEV_ATTACHED;
3484 }
3485
3486 int
3487 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3488 {
3489         uint32_t vec;
3490         struct rte_eth_dev *dev;
3491         struct rte_intr_handle *intr_handle;
3492         uint16_t qid;
3493         int rc;
3494
3495         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3496
3497         dev = &rte_eth_devices[port_id];
3498
3499         if (!dev->intr_handle) {
3500                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3501                 return -ENOTSUP;
3502         }
3503
3504         intr_handle = dev->intr_handle;
3505         if (!intr_handle->intr_vec) {
3506                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3507                 return -EPERM;
3508         }
3509
3510         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3511                 vec = intr_handle->intr_vec[qid];
3512                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3513                 if (rc && rc != -EEXIST) {
3514                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3515                                         " op %d epfd %d vec %u\n",
3516                                         port_id, qid, op, epfd, vec);
3517                 }
3518         }
3519
3520         return 0;
3521 }
3522
3523 const struct rte_memzone *
3524 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3525                          uint16_t queue_id, size_t size, unsigned align,
3526                          int socket_id)
3527 {
3528         char z_name[RTE_MEMZONE_NAMESIZE];
3529         const struct rte_memzone *mz;
3530
3531         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3532                  dev->device->driver->name, ring_name,
3533                  dev->data->port_id, queue_id);
3534
3535         mz = rte_memzone_lookup(z_name);
3536         if (mz)
3537                 return mz;
3538
3539         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3540                         RTE_MEMZONE_IOVA_CONTIG, align);
3541 }
3542
3543 int __rte_experimental
3544 rte_eth_dev_create(struct rte_device *device, const char *name,
3545         size_t priv_data_size,
3546         ethdev_bus_specific_init ethdev_bus_specific_init,
3547         void *bus_init_params,
3548         ethdev_init_t ethdev_init, void *init_params)
3549 {
3550         struct rte_eth_dev *ethdev;
3551         int retval;
3552
3553         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3554
3555         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3556                 ethdev = rte_eth_dev_allocate(name);
3557                 if (!ethdev) {
3558                         retval = -ENODEV;
3559                         goto probe_failed;
3560                 }
3561
3562                 if (priv_data_size) {
3563                         ethdev->data->dev_private = rte_zmalloc_socket(
3564                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3565                                 device->numa_node);
3566
3567                         if (!ethdev->data->dev_private) {
3568                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3569                                 retval = -ENOMEM;
3570                                 goto probe_failed;
3571                         }
3572                 }
3573         } else {
3574                 ethdev = rte_eth_dev_attach_secondary(name);
3575                 if (!ethdev) {
3576                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3577                                 "ethdev doesn't exist");
3578                         retval = -ENODEV;
3579                         goto probe_failed;
3580                 }
3581         }
3582
3583         ethdev->device = device;
3584
3585         if (ethdev_bus_specific_init) {
3586                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3587                 if (retval) {
3588                         RTE_LOG(ERR, EAL,
3589                                 "ethdev bus specific initialisation failed");
3590                         goto probe_failed;
3591                 }
3592         }
3593
3594         retval = ethdev_init(ethdev, init_params);
3595         if (retval) {
3596                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3597                 goto probe_failed;
3598         }
3599
3600         rte_eth_dev_probing_finish(ethdev);
3601
3602         return retval;
3603 probe_failed:
3604         /* free ports private data if primary process */
3605         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3606                 rte_free(ethdev->data->dev_private);
3607
3608         rte_eth_dev_release_port(ethdev);
3609
3610         return retval;
3611 }
3612
3613 int  __rte_experimental
3614 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3615         ethdev_uninit_t ethdev_uninit)
3616 {
3617         int ret;
3618
3619         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3620         if (!ethdev)
3621                 return -ENODEV;
3622
3623         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3624         if (ethdev_uninit) {
3625                 ret = ethdev_uninit(ethdev);
3626                 if (ret)
3627                         return ret;
3628         }
3629
3630         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3631                 rte_free(ethdev->data->dev_private);
3632
3633         ethdev->data->dev_private = NULL;
3634
3635         return rte_eth_dev_release_port(ethdev);
3636 }
3637
3638 int
3639 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3640                           int epfd, int op, void *data)
3641 {
3642         uint32_t vec;
3643         struct rte_eth_dev *dev;
3644         struct rte_intr_handle *intr_handle;
3645         int rc;
3646
3647         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3648
3649         dev = &rte_eth_devices[port_id];
3650         if (queue_id >= dev->data->nb_rx_queues) {
3651                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3652                 return -EINVAL;
3653         }
3654
3655         if (!dev->intr_handle) {
3656                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3657                 return -ENOTSUP;
3658         }
3659
3660         intr_handle = dev->intr_handle;
3661         if (!intr_handle->intr_vec) {
3662                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3663                 return -EPERM;
3664         }
3665
3666         vec = intr_handle->intr_vec[queue_id];
3667         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3668         if (rc && rc != -EEXIST) {
3669                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3670                                 " op %d epfd %d vec %u\n",
3671                                 port_id, queue_id, op, epfd, vec);
3672                 return rc;
3673         }
3674
3675         return 0;
3676 }
3677
3678 int
3679 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3680                            uint16_t queue_id)
3681 {
3682         struct rte_eth_dev *dev;
3683
3684         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3685
3686         dev = &rte_eth_devices[port_id];
3687
3688         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3689         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3690                                                                 queue_id));
3691 }
3692
3693 int
3694 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3695                             uint16_t queue_id)
3696 {
3697         struct rte_eth_dev *dev;
3698
3699         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3700
3701         dev = &rte_eth_devices[port_id];
3702
3703         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3704         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3705                                                                 queue_id));
3706 }
3707
3708
3709 int
3710 rte_eth_dev_filter_supported(uint16_t port_id,
3711                              enum rte_filter_type filter_type)
3712 {
3713         struct rte_eth_dev *dev;
3714
3715         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3716
3717         dev = &rte_eth_devices[port_id];
3718         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3719         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3720                                 RTE_ETH_FILTER_NOP, NULL);
3721 }
3722
3723 int
3724 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3725                         enum rte_filter_op filter_op, void *arg)
3726 {
3727         struct rte_eth_dev *dev;
3728
3729         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3730
3731         dev = &rte_eth_devices[port_id];
3732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3733         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3734                                                              filter_op, arg));
3735 }
3736
3737 const struct rte_eth_rxtx_callback *
3738 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3739                 rte_rx_callback_fn fn, void *user_param)
3740 {
3741 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3742         rte_errno = ENOTSUP;
3743         return NULL;
3744 #endif
3745         /* check input parameters */
3746         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3747                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3748                 rte_errno = EINVAL;
3749                 return NULL;
3750         }
3751         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3752
3753         if (cb == NULL) {
3754                 rte_errno = ENOMEM;
3755                 return NULL;
3756         }
3757
3758         cb->fn.rx = fn;
3759         cb->param = user_param;
3760
3761         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3762         /* Add the callbacks in fifo order. */
3763         struct rte_eth_rxtx_callback *tail =
3764                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3765
3766         if (!tail) {
3767                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3768
3769         } else {
3770                 while (tail->next)
3771                         tail = tail->next;
3772                 tail->next = cb;
3773         }
3774         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3775
3776         return cb;
3777 }
3778
3779 const struct rte_eth_rxtx_callback *
3780 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3781                 rte_rx_callback_fn fn, void *user_param)
3782 {
3783 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3784         rte_errno = ENOTSUP;
3785         return NULL;
3786 #endif
3787         /* check input parameters */
3788         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3789                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3790                 rte_errno = EINVAL;
3791                 return NULL;
3792         }
3793
3794         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3795
3796         if (cb == NULL) {
3797                 rte_errno = ENOMEM;
3798                 return NULL;
3799         }
3800
3801         cb->fn.rx = fn;
3802         cb->param = user_param;
3803
3804         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3805         /* Add the callbacks at fisrt position*/
3806         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3807         rte_smp_wmb();
3808         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3809         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3810
3811         return cb;
3812 }
3813
3814 const struct rte_eth_rxtx_callback *
3815 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3816                 rte_tx_callback_fn fn, void *user_param)
3817 {
3818 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3819         rte_errno = ENOTSUP;
3820         return NULL;
3821 #endif
3822         /* check input parameters */
3823         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3824                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3825                 rte_errno = EINVAL;
3826                 return NULL;
3827         }
3828
3829         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3830
3831         if (cb == NULL) {
3832                 rte_errno = ENOMEM;
3833                 return NULL;
3834         }
3835
3836         cb->fn.tx = fn;
3837         cb->param = user_param;
3838
3839         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3840         /* Add the callbacks in fifo order. */
3841         struct rte_eth_rxtx_callback *tail =
3842                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3843
3844         if (!tail) {
3845                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3846
3847         } else {
3848                 while (tail->next)
3849                         tail = tail->next;
3850                 tail->next = cb;
3851         }
3852         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3853
3854         return cb;
3855 }
3856
3857 int
3858 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3859                 const struct rte_eth_rxtx_callback *user_cb)
3860 {
3861 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3862         return -ENOTSUP;
3863 #endif
3864         /* Check input parameters. */
3865         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3866         if (user_cb == NULL ||
3867                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3868                 return -EINVAL;
3869
3870         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3871         struct rte_eth_rxtx_callback *cb;
3872         struct rte_eth_rxtx_callback **prev_cb;
3873         int ret = -EINVAL;
3874
3875         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3876         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3877         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3878                 cb = *prev_cb;
3879                 if (cb == user_cb) {
3880                         /* Remove the user cb from the callback list. */
3881                         *prev_cb = cb->next;
3882                         ret = 0;
3883                         break;
3884                 }
3885         }
3886         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3887
3888         return ret;
3889 }
3890
3891 int
3892 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3893                 const struct rte_eth_rxtx_callback *user_cb)
3894 {
3895 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3896         return -ENOTSUP;
3897 #endif
3898         /* Check input parameters. */
3899         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3900         if (user_cb == NULL ||
3901                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3902                 return -EINVAL;
3903
3904         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3905         int ret = -EINVAL;
3906         struct rte_eth_rxtx_callback *cb;
3907         struct rte_eth_rxtx_callback **prev_cb;
3908
3909         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3910         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3911         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3912                 cb = *prev_cb;
3913                 if (cb == user_cb) {
3914                         /* Remove the user cb from the callback list. */
3915                         *prev_cb = cb->next;
3916                         ret = 0;
3917                         break;
3918                 }
3919         }
3920         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3921
3922         return ret;
3923 }
3924
3925 int
3926 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3927         struct rte_eth_rxq_info *qinfo)
3928 {
3929         struct rte_eth_dev *dev;
3930
3931         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3932
3933         if (qinfo == NULL)
3934                 return -EINVAL;
3935
3936         dev = &rte_eth_devices[port_id];
3937         if (queue_id >= dev->data->nb_rx_queues) {
3938                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3939                 return -EINVAL;
3940         }
3941
3942         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3943
3944         memset(qinfo, 0, sizeof(*qinfo));
3945         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3946         return 0;
3947 }
3948
3949 int
3950 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3951         struct rte_eth_txq_info *qinfo)
3952 {
3953         struct rte_eth_dev *dev;
3954         struct rte_eth_txconf *txconf = &qinfo->conf;
3955
3956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3957
3958         if (qinfo == NULL)
3959                 return -EINVAL;
3960
3961         dev = &rte_eth_devices[port_id];
3962         if (queue_id >= dev->data->nb_tx_queues) {
3963                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3964                 return -EINVAL;
3965         }
3966
3967         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3968
3969         memset(qinfo, 0, sizeof(*qinfo));
3970         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3971         /* convert offload to txq_flags to support legacy app */
3972         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
3973
3974         return 0;
3975 }
3976
3977 int
3978 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3979                              struct ether_addr *mc_addr_set,
3980                              uint32_t nb_mc_addr)
3981 {
3982         struct rte_eth_dev *dev;
3983
3984         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3985
3986         dev = &rte_eth_devices[port_id];
3987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3988         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3989                                                 mc_addr_set, nb_mc_addr));
3990 }
3991
3992 int
3993 rte_eth_timesync_enable(uint16_t port_id)
3994 {
3995         struct rte_eth_dev *dev;
3996
3997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3998         dev = &rte_eth_devices[port_id];
3999
4000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4001         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4002 }
4003
4004 int
4005 rte_eth_timesync_disable(uint16_t port_id)
4006 {
4007         struct rte_eth_dev *dev;
4008
4009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4010         dev = &rte_eth_devices[port_id];
4011
4012         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4013         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4014 }
4015
4016 int
4017 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4018                                    uint32_t flags)
4019 {
4020         struct rte_eth_dev *dev;
4021
4022         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4023         dev = &rte_eth_devices[port_id];
4024
4025         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4026         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4027                                 (dev, timestamp, flags));
4028 }
4029
4030 int
4031 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4032                                    struct timespec *timestamp)
4033 {
4034         struct rte_eth_dev *dev;
4035
4036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4037         dev = &rte_eth_devices[port_id];
4038
4039         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4040         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4041                                 (dev, timestamp));
4042 }
4043
4044 int
4045 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4046 {
4047         struct rte_eth_dev *dev;
4048
4049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4050         dev = &rte_eth_devices[port_id];
4051
4052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4053         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4054                                                                       delta));
4055 }
4056
4057 int
4058 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4059 {
4060         struct rte_eth_dev *dev;
4061
4062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4063         dev = &rte_eth_devices[port_id];
4064
4065         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4066         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4067                                                                 timestamp));
4068 }
4069
4070 int
4071 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4072 {
4073         struct rte_eth_dev *dev;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076         dev = &rte_eth_devices[port_id];
4077
4078         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4079         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4080                                                                 timestamp));
4081 }
4082
4083 int
4084 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4085 {
4086         struct rte_eth_dev *dev;
4087
4088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4089
4090         dev = &rte_eth_devices[port_id];
4091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4092         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4093 }
4094
4095 int
4096 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4097 {
4098         struct rte_eth_dev *dev;
4099
4100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4101
4102         dev = &rte_eth_devices[port_id];
4103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4104         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4105 }
4106
4107 int
4108 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4109 {
4110         struct rte_eth_dev *dev;
4111
4112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4113
4114         dev = &rte_eth_devices[port_id];
4115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4116         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4117 }
4118
4119 int
4120 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4121 {
4122         struct rte_eth_dev *dev;
4123
4124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4125
4126         dev = &rte_eth_devices[port_id];
4127         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4128         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4129 }
4130
4131 int __rte_experimental
4132 rte_eth_dev_get_module_info(uint16_t port_id,
4133                             struct rte_eth_dev_module_info *modinfo)
4134 {
4135         struct rte_eth_dev *dev;
4136
4137         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4138
4139         dev = &rte_eth_devices[port_id];
4140         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4141         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4142 }
4143
4144 int __rte_experimental
4145 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4146                               struct rte_dev_eeprom_info *info)
4147 {
4148         struct rte_eth_dev *dev;
4149
4150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4151
4152         dev = &rte_eth_devices[port_id];
4153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4154         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4155 }
4156
4157 int
4158 rte_eth_dev_get_dcb_info(uint16_t port_id,
4159                              struct rte_eth_dcb_info *dcb_info)
4160 {
4161         struct rte_eth_dev *dev;
4162
4163         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4164
4165         dev = &rte_eth_devices[port_id];
4166         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4167
4168         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4169         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4170 }
4171
4172 int
4173 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4174                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4175 {
4176         struct rte_eth_dev *dev;
4177
4178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4179         if (l2_tunnel == NULL) {
4180                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4181                 return -EINVAL;
4182         }
4183
4184         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4185                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4186                 return -EINVAL;
4187         }
4188
4189         dev = &rte_eth_devices[port_id];
4190         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4191                                 -ENOTSUP);
4192         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4193                                                                 l2_tunnel));
4194 }
4195
4196 int
4197 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4198                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4199                                   uint32_t mask,
4200                                   uint8_t en)
4201 {
4202         struct rte_eth_dev *dev;
4203
4204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4205
4206         if (l2_tunnel == NULL) {
4207                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4208                 return -EINVAL;
4209         }
4210
4211         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4212                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4213                 return -EINVAL;
4214         }
4215
4216         if (mask == 0) {
4217                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4218                 return -EINVAL;
4219         }
4220
4221         dev = &rte_eth_devices[port_id];
4222         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4223                                 -ENOTSUP);
4224         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4225                                                         l2_tunnel, mask, en));
4226 }
4227
4228 static void
4229 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4230                            const struct rte_eth_desc_lim *desc_lim)
4231 {
4232         if (desc_lim->nb_align != 0)
4233                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4234
4235         if (desc_lim->nb_max != 0)
4236                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4237
4238         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4239 }
4240
4241 int
4242 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4243                                  uint16_t *nb_rx_desc,
4244                                  uint16_t *nb_tx_desc)
4245 {
4246         struct rte_eth_dev *dev;
4247         struct rte_eth_dev_info dev_info;
4248
4249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4250
4251         dev = &rte_eth_devices[port_id];
4252         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4253
4254         rte_eth_dev_info_get(port_id, &dev_info);
4255
4256         if (nb_rx_desc != NULL)
4257                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4258
4259         if (nb_tx_desc != NULL)
4260                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4261
4262         return 0;
4263 }
4264
4265 int
4266 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4267 {
4268         struct rte_eth_dev *dev;
4269
4270         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4271
4272         if (pool == NULL)
4273                 return -EINVAL;
4274
4275         dev = &rte_eth_devices[port_id];
4276
4277         if (*dev->dev_ops->pool_ops_supported == NULL)
4278                 return 1; /* all pools are supported */
4279
4280         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4281 }
4282
4283 /**
4284  * A set of values to describe the possible states of a switch domain.
4285  */
4286 enum rte_eth_switch_domain_state {
4287         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4288         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4289 };
4290
4291 /**
4292  * Array of switch domains available for allocation. Array is sized to
4293  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4294  * ethdev ports in a single process.
4295  */
4296 struct rte_eth_dev_switch {
4297         enum rte_eth_switch_domain_state state;
4298 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4299
4300 int __rte_experimental
4301 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4302 {
4303         unsigned int i;
4304
4305         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4306
4307         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4308                 i < RTE_MAX_ETHPORTS; i++) {
4309                 if (rte_eth_switch_domains[i].state ==
4310                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4311                         rte_eth_switch_domains[i].state =
4312                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4313                         *domain_id = i;
4314                         return 0;
4315                 }
4316         }
4317
4318         return -ENOSPC;
4319 }
4320
4321 int __rte_experimental
4322 rte_eth_switch_domain_free(uint16_t domain_id)
4323 {
4324         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4325                 domain_id >= RTE_MAX_ETHPORTS)
4326                 return -EINVAL;
4327
4328         if (rte_eth_switch_domains[domain_id].state !=
4329                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4330                 return -EINVAL;
4331
4332         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4333
4334         return 0;
4335 }
4336
4337 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4338
4339 static int
4340 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4341 {
4342         int state;
4343         struct rte_kvargs_pair *pair;
4344         char *letter;
4345
4346         arglist->str = strdup(str_in);
4347         if (arglist->str == NULL)
4348                 return -ENOMEM;
4349
4350         letter = arglist->str;
4351         state = 0;
4352         arglist->count = 0;
4353         pair = &arglist->pairs[0];
4354         while (1) {
4355                 switch (state) {
4356                 case 0: /* Initial */
4357                         if (*letter == '=')
4358                                 return -EINVAL;
4359                         else if (*letter == '\0')
4360                                 return 0;
4361
4362                         state = 1;
4363                         pair->key = letter;
4364                         /* fall-thru */
4365
4366                 case 1: /* Parsing key */
4367                         if (*letter == '=') {
4368                                 *letter = '\0';
4369                                 pair->value = letter + 1;
4370                                 state = 2;
4371                         } else if (*letter == ',' || *letter == '\0')
4372                                 return -EINVAL;
4373                         break;
4374
4375
4376                 case 2: /* Parsing value */
4377                         if (*letter == '[')
4378                                 state = 3;
4379                         else if (*letter == ',') {
4380                                 *letter = '\0';
4381                                 arglist->count++;
4382                                 pair = &arglist->pairs[arglist->count];
4383                                 state = 0;
4384                         } else if (*letter == '\0') {
4385                                 letter--;
4386                                 arglist->count++;
4387                                 pair = &arglist->pairs[arglist->count];
4388                                 state = 0;
4389                         }
4390                         break;
4391
4392                 case 3: /* Parsing list */
4393                         if (*letter == ']')
4394                                 state = 2;
4395                         else if (*letter == '\0')
4396                                 return -EINVAL;
4397                         break;
4398                 }
4399                 letter++;
4400         }
4401 }
4402
4403 static int
4404 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4405         void *data)
4406 {
4407         char *str_start;
4408         int state;
4409         int result;
4410
4411         if (*str != '[')
4412                 /* Single element, not a list */
4413                 return callback(str, data);
4414
4415         /* Sanity check, then strip the brackets */
4416         str_start = &str[strlen(str) - 1];
4417         if (*str_start != ']') {
4418                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4419                 return -EINVAL;
4420         }
4421         str++;
4422         *str_start = '\0';
4423
4424         /* Process list elements */
4425         state = 0;
4426         while (1) {
4427                 if (state == 0) {
4428                         if (*str == '\0')
4429                                 break;
4430                         if (*str != ',') {
4431                                 str_start = str;
4432                                 state = 1;
4433                         }
4434                 } else if (state == 1) {
4435                         if (*str == ',' || *str == '\0') {
4436                                 if (str > str_start) {
4437                                         /* Non-empty string fragment */
4438                                         *str = '\0';
4439                                         result = callback(str_start, data);
4440                                         if (result < 0)
4441                                                 return result;
4442                                 }
4443                                 state = 0;
4444                         }
4445                 }
4446                 str++;
4447         }
4448         return 0;
4449 }
4450
4451 static int
4452 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4453         const uint16_t max_list)
4454 {
4455         uint16_t lo, hi, val;
4456         int result;
4457
4458         result = sscanf(str, "%hu-%hu", &lo, &hi);
4459         if (result == 1) {
4460                 if (*len_list >= max_list)
4461                         return -ENOMEM;
4462                 list[(*len_list)++] = lo;
4463         } else if (result == 2) {
4464                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4465                         return -EINVAL;
4466                 for (val = lo; val <= hi; val++) {
4467                         if (*len_list >= max_list)
4468                                 return -ENOMEM;
4469                         list[(*len_list)++] = val;
4470                 }
4471         } else
4472                 return -EINVAL;
4473         return 0;
4474 }
4475
4476
4477 static int
4478 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4479 {
4480         struct rte_eth_devargs *eth_da = data;
4481
4482         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4483                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4484 }
4485
4486 int __rte_experimental
4487 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4488 {
4489         struct rte_kvargs args;
4490         struct rte_kvargs_pair *pair;
4491         unsigned int i;
4492         int result = 0;
4493
4494         memset(eth_da, 0, sizeof(*eth_da));
4495
4496         result = rte_eth_devargs_tokenise(&args, dargs);
4497         if (result < 0)
4498                 goto parse_cleanup;
4499
4500         for (i = 0; i < args.count; i++) {
4501                 pair = &args.pairs[i];
4502                 if (strcmp("representor", pair->key) == 0) {
4503                         result = rte_eth_devargs_parse_list(pair->value,
4504                                 rte_eth_devargs_parse_representor_ports,
4505                                 eth_da);
4506                         if (result < 0)
4507                                 goto parse_cleanup;
4508                 }
4509         }
4510
4511 parse_cleanup:
4512         if (args.str)
4513                 free(args.str);
4514
4515         return result;
4516 }
4517
4518 RTE_INIT(ethdev_init_log);
4519 static void
4520 ethdev_init_log(void)
4521 {
4522         ethdev_logtype = rte_log_register("lib.ethdev");
4523         if (ethdev_logtype >= 0)
4524                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4525 }