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 int rte_eth_dev_logtype;
  46
  47 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  48 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  49 static uint16_t eth_dev_last_created_port;
  50
  51 /* spinlock for eth device callbacks */
  52 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  53
  54 /* spinlock for add/remove rx callbacks */
  55 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove tx callbacks */
  58 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for shared data allocation */
  61 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* store statistics names and its offset in stats structure  */
  64 struct rte_eth_xstats_name_off {
  65         char name[RTE_ETH_XSTATS_NAME_SIZE];
  66         unsigned offset;
  67 };
  68
  69 /* Shared memory between primary and secondary processes. */
  70 static struct {
  71         uint64_t next_owner_id;
  72         rte_spinlock_t ownership_lock;
  73         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  74 } *rte_eth_dev_shared_data;
  75
  76 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  77         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  78         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  79         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  80         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  81         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  82         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  83         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  84         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  85                 rx_nombuf)},
  86 };
  87
  88 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  89
  90 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  91         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  92         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  93         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  94 };
  95
  96 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  97                 sizeof(rte_rxq_stats_strings[0]))
  98
  99 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 100         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 101         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 102 };
 103 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 104                 sizeof(rte_txq_stats_strings[0]))
 105
 106 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 107         { DEV_RX_OFFLOAD_##_name, #_name }
 108
 109 static const struct {
 110         uint64_t offload;
 111         const char *name;
 112 } rte_rx_offload_names[] = {
 113         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 114         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 118         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 119         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 122         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 124         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 125         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 126         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 127         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 128         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 129         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 130 };
 131
 132 #undef RTE_RX_OFFLOAD_BIT2STR
 133
 134 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 135         { DEV_TX_OFFLOAD_##_name, #_name }
 136
 137 static const struct {
 138         uint64_t offload;
 139         const char *name;
 140 } rte_tx_offload_names[] = {
 141         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 142         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 143         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 144         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 147         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 148         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 150         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 155         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 156         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 157         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 158         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 159         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 160         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 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                 RTE_ETHDEV_LOG(ERR,
 307                         "Ethernet device with name %s already allocated\n",
 308                         name);
 309                 goto unlock;
 310         }
 311
 312         port_id = rte_eth_dev_find_free_port();
 313         if (port_id == RTE_MAX_ETHPORTS) {
 314                 RTE_ETHDEV_LOG(ERR,
 315                         "Reached maximum number of Ethernet ports\n");
 316                 goto unlock;
 317         }
 318
 319         eth_dev = eth_dev_get(port_id);
 320         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 321         eth_dev->data->port_id = port_id;
 322         eth_dev->data->mtu = ETHER_MTU;
 323
 324 unlock:
 325         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 326
 327         return eth_dev;
 328 }
 329
 330 /*
 331  * Attach to a port already registered by the primary process, which
 332  * makes sure that the same device would have the same port id both
 333  * in the primary and secondary process.
 334  */
 335 struct rte_eth_dev *
 336 rte_eth_dev_attach_secondary(const char *name)
 337 {
 338         uint16_t i;
 339         struct rte_eth_dev *eth_dev = NULL;
 340
 341         rte_eth_dev_shared_data_prepare();
 342
 343         /* Synchronize port attachment to primary port creation and release. */
 344         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 345
 346         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 347                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 348                         break;
 349         }
 350         if (i == RTE_MAX_ETHPORTS) {
 351                 RTE_ETHDEV_LOG(ERR,
 352                         "Device %s is not driven by the primary process\n",
 353                         name);
 354         } else {
 355                 eth_dev = eth_dev_get(i);
 356                 RTE_ASSERT(eth_dev->data->port_id == i);
 357         }
 358
 359         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 360         return eth_dev;
 361 }
 362
 363 int
 364 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 365 {
 366         if (eth_dev == NULL)
 367                 return -EINVAL;
 368
 369         rte_eth_dev_shared_data_prepare();
 370
 371         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 372
 373         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 374
 375         eth_dev->state = RTE_ETH_DEV_UNUSED;
 376
 377         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 378
 379         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 380
 381         return 0;
 382 }
 383
 384 int
 385 rte_eth_dev_is_valid_port(uint16_t port_id)
 386 {
 387         if (port_id >= RTE_MAX_ETHPORTS ||
 388             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 389                 return 0;
 390         else
 391                 return 1;
 392 }
 393
 394 static int
 395 rte_eth_is_valid_owner_id(uint64_t owner_id)
 396 {
 397         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 398             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 399                 return 0;
 400         return 1;
 401 }
 402
 403 uint64_t
 404 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 405 {
 406         while (port_id < RTE_MAX_ETHPORTS &&
 407                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 408                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 409                rte_eth_devices[port_id].data->owner.id != owner_id))
 410                 port_id++;
 411
 412         if (port_id >= RTE_MAX_ETHPORTS)
 413                 return RTE_MAX_ETHPORTS;
 414
 415         return port_id;
 416 }
 417
 418 int __rte_experimental
 419 rte_eth_dev_owner_new(uint64_t *owner_id)
 420 {
 421         rte_eth_dev_shared_data_prepare();
 422
 423         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 424
 425         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 426
 427         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 428         return 0;
 429 }
 430
 431 static int
 432 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 433                        const struct rte_eth_dev_owner *new_owner)
 434 {
 435         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 436         struct rte_eth_dev_owner *port_owner;
 437         int sret;
 438
 439         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 440                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 441                         port_id);
 442                 return -ENODEV;
 443         }
 444
 445         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 446             !rte_eth_is_valid_owner_id(old_owner_id)) {
 447                 RTE_ETHDEV_LOG(ERR,
 448                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 449                        old_owner_id, new_owner->id);
 450                 return -EINVAL;
 451         }
 452
 453         port_owner = &rte_eth_devices[port_id].data->owner;
 454         if (port_owner->id != old_owner_id) {
 455                 RTE_ETHDEV_LOG(ERR,
 456                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 457                         port_id, port_owner->name, port_owner->id);
 458                 return -EPERM;
 459         }
 460
 461         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 462                         new_owner->name);
 463         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 464                 RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
 465                         port_id);
 466
 467         port_owner->id = new_owner->id;
 468
 469         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 470                 port_id, new_owner->name, new_owner->id);
 471
 472         return 0;
 473 }
 474
 475 int __rte_experimental
 476 rte_eth_dev_owner_set(const uint16_t port_id,
 477                       const struct rte_eth_dev_owner *owner)
 478 {
 479         int ret;
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 484
 485         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 486
 487         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 488         return ret;
 489 }
 490
 491 int __rte_experimental
 492 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 493 {
 494         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 495                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 496         int ret;
 497
 498         rte_eth_dev_shared_data_prepare();
 499
 500         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 501
 502         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 503
 504         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 505         return ret;
 506 }
 507
 508 void __rte_experimental
 509 rte_eth_dev_owner_delete(const uint64_t owner_id)
 510 {
 511         uint16_t port_id;
 512
 513         rte_eth_dev_shared_data_prepare();
 514
 515         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 516
 517         if (rte_eth_is_valid_owner_id(owner_id)) {
 518                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 519                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 520                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 521                                        sizeof(struct rte_eth_dev_owner));
 522                 RTE_ETHDEV_LOG(NOTICE,
 523                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 524                         owner_id);
 525         } else {
 526                 RTE_ETHDEV_LOG(ERR,
 527                                "Invalid owner id=%016"PRIx64"\n",
 528                                owner_id);
 529         }
 530
 531         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 532 }
 533
 534 int __rte_experimental
 535 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 536 {
 537         int ret = 0;
 538         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 539
 540         rte_eth_dev_shared_data_prepare();
 541
 542         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 543
 544         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 545                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 546                         port_id);
 547                 ret = -ENODEV;
 548         } else {
 549                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 550         }
 551
 552         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 553         return ret;
 554 }
 555
 556 int
 557 rte_eth_dev_socket_id(uint16_t port_id)
 558 {
 559         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 560         return rte_eth_devices[port_id].data->numa_node;
 561 }
 562
 563 void *
 564 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 565 {
 566         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 567         return rte_eth_devices[port_id].security_ctx;
 568 }
 569
 570 uint16_t
 571 rte_eth_dev_count(void)
 572 {
 573         return rte_eth_dev_count_avail();
 574 }
 575
 576 uint16_t
 577 rte_eth_dev_count_avail(void)
 578 {
 579         uint16_t p;
 580         uint16_t count;
 581
 582         count = 0;
 583
 584         RTE_ETH_FOREACH_DEV(p)
 585                 count++;
 586
 587         return count;
 588 }
 589
 590 uint16_t __rte_experimental
 591 rte_eth_dev_count_total(void)
 592 {
 593         uint16_t port, count = 0;
 594
 595         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 596                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 597                         count++;
 598
 599         return count;
 600 }
 601
 602 int
 603 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 604 {
 605         char *tmp;
 606
 607         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 608
 609         if (name == NULL) {
 610                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 611                 return -EINVAL;
 612         }
 613
 614         /* shouldn't check 'rte_eth_devices[i].data',
 615          * because it might be overwritten by VDEV PMD */
 616         tmp = rte_eth_dev_shared_data->data[port_id].name;
 617         strcpy(name, tmp);
 618         return 0;
 619 }
 620
 621 int
 622 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 623 {
 624         uint32_t pid;
 625
 626         if (name == NULL) {
 627                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 628                 return -EINVAL;
 629         }
 630
 631         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 632                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 633                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 634                         *port_id = pid;
 635                         return 0;
 636                 }
 637         }
 638
 639         return -ENODEV;
 640 }
 641
 642 static int
 643 eth_err(uint16_t port_id, int ret)
 644 {
 645         if (ret == 0)
 646                 return 0;
 647         if (rte_eth_dev_is_removed(port_id))
 648                 return -EIO;
 649         return ret;
 650 }
 651
 652 /* attach the new device, then store port_id of the device */
 653 int
 654 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 655 {
 656         int current = rte_eth_dev_count_total();
 657         struct rte_devargs da;
 658         int ret = -1;
 659
 660         memset(&da, 0, sizeof(da));
 661
 662         if ((devargs == NULL) || (port_id == NULL)) {
 663                 ret = -EINVAL;
 664                 goto err;
 665         }
 666
 667         /* parse devargs */
 668         if (rte_devargs_parse(&da, devargs))
 669                 goto err;
 670
 671         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 672         if (ret < 0)
 673                 goto err;
 674
 675         /* no point looking at the port count if no port exists */
 676         if (!rte_eth_dev_count_total()) {
 677                 RTE_ETHDEV_LOG(ERR, "No port found for device (%s)\n", da.name);
 678                 ret = -1;
 679                 goto err;
 680         }
 681
 682         /* if nothing happened, there is a bug here, since some driver told us
 683          * it did attach a device, but did not create a port.
 684          * FIXME: race condition in case of plug-out of another device
 685          */
 686         if (current == rte_eth_dev_count_total()) {
 687                 ret = -1;
 688                 goto err;
 689         }
 690
 691         *port_id = eth_dev_last_created_port;
 692         ret = 0;
 693
 694 err:
 695         free(da.args);
 696         return ret;
 697 }
 698
 699 /* detach the device, then store the name of the device */
 700 int
 701 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 702 {
 703         struct rte_device *dev;
 704         struct rte_bus *bus;
 705         uint32_t dev_flags;
 706         int ret = -1;
 707
 708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 709
 710         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 711         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 712                 RTE_ETHDEV_LOG(ERR,
 713                         "Port %"PRIu16" is bonded, cannot detach\n", port_id);
 714                 return -ENOTSUP;
 715         }
 716
 717         dev = rte_eth_devices[port_id].device;
 718         if (dev == NULL)
 719                 return -EINVAL;
 720
 721         bus = rte_bus_find_by_device(dev);
 722         if (bus == NULL)
 723                 return -ENOENT;
 724
 725         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 726         if (ret < 0)
 727                 return ret;
 728
 729         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 730         return 0;
 731 }
 732
 733 static int
 734 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 735 {
 736         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 737         void **rxq;
 738         unsigned i;
 739
 740         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 741                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 742                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 743                                 RTE_CACHE_LINE_SIZE);
 744                 if (dev->data->rx_queues == NULL) {
 745                         dev->data->nb_rx_queues = 0;
 746                         return -(ENOMEM);
 747                 }
 748         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 749                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 750
 751                 rxq = dev->data->rx_queues;
 752
 753                 for (i = nb_queues; i < old_nb_queues; i++)
 754                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 755                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 756                                 RTE_CACHE_LINE_SIZE);
 757                 if (rxq == NULL)
 758                         return -(ENOMEM);
 759                 if (nb_queues > old_nb_queues) {
 760                         uint16_t new_qs = nb_queues - old_nb_queues;
 761
 762                         memset(rxq + old_nb_queues, 0,
 763                                 sizeof(rxq[0]) * new_qs);
 764                 }
 765
 766                 dev->data->rx_queues = rxq;
 767
 768         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 769                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 770
 771                 rxq = dev->data->rx_queues;
 772
 773                 for (i = nb_queues; i < old_nb_queues; i++)
 774                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 775
 776                 rte_free(dev->data->rx_queues);
 777                 dev->data->rx_queues = NULL;
 778         }
 779         dev->data->nb_rx_queues = nb_queues;
 780         return 0;
 781 }
 782
 783 int
 784 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 785 {
 786         struct rte_eth_dev *dev;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         dev = &rte_eth_devices[port_id];
 791         if (!dev->data->dev_started) {
 792                 RTE_ETHDEV_LOG(ERR,
 793                         "Port %u must be started before start any queue\n",
 794                         port_id);
 795                 return -EINVAL;
 796         }
 797
 798         if (rx_queue_id >= dev->data->nb_rx_queues) {
 799                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 800                 return -EINVAL;
 801         }
 802
 803         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 804
 805         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 806                 RTE_ETHDEV_LOG(INFO,
 807                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 808                         rx_queue_id, port_id);
 809                 return 0;
 810         }
 811
 812         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 813                                                              rx_queue_id));
 814
 815 }
 816
 817 int
 818 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 819 {
 820         struct rte_eth_dev *dev;
 821
 822         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 823
 824         dev = &rte_eth_devices[port_id];
 825         if (rx_queue_id >= dev->data->nb_rx_queues) {
 826                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 827                 return -EINVAL;
 828         }
 829
 830         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 831
 832         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 833                 RTE_ETHDEV_LOG(INFO,
 834                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 835                         rx_queue_id, port_id);
 836                 return 0;
 837         }
 838
 839         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 840
 841 }
 842
 843 int
 844 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 845 {
 846         struct rte_eth_dev *dev;
 847
 848         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 849
 850         dev = &rte_eth_devices[port_id];
 851         if (!dev->data->dev_started) {
 852                 RTE_ETHDEV_LOG(ERR,
 853                         "Port %u must be started before start any queue\n",
 854                         port_id);
 855                 return -EINVAL;
 856         }
 857
 858         if (tx_queue_id >= dev->data->nb_tx_queues) {
 859                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 860                 return -EINVAL;
 861         }
 862
 863         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 864
 865         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 866                 RTE_ETHDEV_LOG(INFO,
 867                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 868                         tx_queue_id, port_id);
 869                 return 0;
 870         }
 871
 872         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 873 }
 874
 875 int
 876 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 877 {
 878         struct rte_eth_dev *dev;
 879
 880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 881
 882         dev = &rte_eth_devices[port_id];
 883         if (tx_queue_id >= dev->data->nb_tx_queues) {
 884                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 885                 return -EINVAL;
 886         }
 887
 888         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 889
 890         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 891                 RTE_ETHDEV_LOG(INFO,
 892                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 893                         tx_queue_id, port_id);
 894                 return 0;
 895         }
 896
 897         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 898
 899 }
 900
 901 static int
 902 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 903 {
 904         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 905         void **txq;
 906         unsigned i;
 907
 908         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 909                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 910                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 911                                                    RTE_CACHE_LINE_SIZE);
 912                 if (dev->data->tx_queues == NULL) {
 913                         dev->data->nb_tx_queues = 0;
 914                         return -(ENOMEM);
 915                 }
 916         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 917                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 918
 919                 txq = dev->data->tx_queues;
 920
 921                 for (i = nb_queues; i < old_nb_queues; i++)
 922                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 923                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 924                                   RTE_CACHE_LINE_SIZE);
 925                 if (txq == NULL)
 926                         return -ENOMEM;
 927                 if (nb_queues > old_nb_queues) {
 928                         uint16_t new_qs = nb_queues - old_nb_queues;
 929
 930                         memset(txq + old_nb_queues, 0,
 931                                sizeof(txq[0]) * new_qs);
 932                 }
 933
 934                 dev->data->tx_queues = txq;
 935
 936         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 937                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 938
 939                 txq = dev->data->tx_queues;
 940
 941                 for (i = nb_queues; i < old_nb_queues; i++)
 942                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 943
 944                 rte_free(dev->data->tx_queues);
 945                 dev->data->tx_queues = NULL;
 946         }
 947         dev->data->nb_tx_queues = nb_queues;
 948         return 0;
 949 }
 950
 951 uint32_t
 952 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 953 {
 954         switch (speed) {
 955         case ETH_SPEED_NUM_10M:
 956                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 957         case ETH_SPEED_NUM_100M:
 958                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 959         case ETH_SPEED_NUM_1G:
 960                 return ETH_LINK_SPEED_1G;
 961         case ETH_SPEED_NUM_2_5G:
 962                 return ETH_LINK_SPEED_2_5G;
 963         case ETH_SPEED_NUM_5G:
 964                 return ETH_LINK_SPEED_5G;
 965         case ETH_SPEED_NUM_10G:
 966                 return ETH_LINK_SPEED_10G;
 967         case ETH_SPEED_NUM_20G:
 968                 return ETH_LINK_SPEED_20G;
 969         case ETH_SPEED_NUM_25G:
 970                 return ETH_LINK_SPEED_25G;
 971         case ETH_SPEED_NUM_40G:
 972                 return ETH_LINK_SPEED_40G;
 973         case ETH_SPEED_NUM_50G:
 974                 return ETH_LINK_SPEED_50G;
 975         case ETH_SPEED_NUM_56G:
 976                 return ETH_LINK_SPEED_56G;
 977         case ETH_SPEED_NUM_100G:
 978                 return ETH_LINK_SPEED_100G;
 979         default:
 980                 return 0;
 981         }
 982 }
 983
 984 const char * __rte_experimental
 985 rte_eth_dev_rx_offload_name(uint64_t offload)
 986 {
 987         const char *name = "UNKNOWN";
 988         unsigned int i;
 989
 990         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
 991                 if (offload == rte_rx_offload_names[i].offload) {
 992                         name = rte_rx_offload_names[i].name;
 993                         break;
 994                 }
 995         }
 996
 997         return name;
 998 }
 999
1000 const char * __rte_experimental
1001 rte_eth_dev_tx_offload_name(uint64_t offload)
1002 {
1003         const char *name = "UNKNOWN";
1004         unsigned int i;
1005
1006         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1007                 if (offload == rte_tx_offload_names[i].offload) {
1008                         name = rte_tx_offload_names[i].name;
1009                         break;
1010                 }
1011         }
1012
1013         return name;
1014 }
1015
1016 int
1017 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1018                       const struct rte_eth_conf *dev_conf)
1019 {
1020         struct rte_eth_dev *dev;
1021         struct rte_eth_dev_info dev_info;
1022         struct rte_eth_conf local_conf = *dev_conf;
1023         int diag;
1024
1025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1026
1027         dev = &rte_eth_devices[port_id];
1028
1029         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1030         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1031
1032         rte_eth_dev_info_get(port_id, &dev_info);
1033
1034         /* If number of queues specified by application for both Rx and Tx is
1035          * zero, use driver preferred values. This cannot be done individually
1036          * as it is valid for either Tx or Rx (but not both) to be zero.
1037          * If driver does not provide any preferred valued, fall back on
1038          * EAL defaults.
1039          */
1040         if (nb_rx_q == 0 && nb_tx_q == 0) {
1041                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1042                 if (nb_rx_q == 0)
1043                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1044                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1045                 if (nb_tx_q == 0)
1046                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1047         }
1048
1049         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1050                 RTE_ETHDEV_LOG(ERR,
1051                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1052                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1053                 return -EINVAL;
1054         }
1055
1056         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1057                 RTE_ETHDEV_LOG(ERR,
1058                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1059                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1060                 return -EINVAL;
1061         }
1062
1063         if (dev->data->dev_started) {
1064                 RTE_ETHDEV_LOG(ERR,
1065                         "Port %u must be stopped to allow configuration\n",
1066                         port_id);
1067                 return -EBUSY;
1068         }
1069
1070         /* Copy the dev_conf parameter into the dev structure */
1071         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1072
1073         /*
1074          * Check that the numbers of RX and TX queues are not greater
1075          * than the maximum number of RX and TX queues supported by the
1076          * configured device.
1077          */
1078         if (nb_rx_q > dev_info.max_rx_queues) {
1079                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1080                         port_id, nb_rx_q, dev_info.max_rx_queues);
1081                 return -EINVAL;
1082         }
1083
1084         if (nb_tx_q > dev_info.max_tx_queues) {
1085                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1086                         port_id, nb_tx_q, dev_info.max_tx_queues);
1087                 return -EINVAL;
1088         }
1089
1090         /* Check that the device supports requested interrupts */
1091         if ((dev_conf->intr_conf.lsc == 1) &&
1092                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1093                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1094                         dev->device->driver->name);
1095                 return -EINVAL;
1096         }
1097         if ((dev_conf->intr_conf.rmv == 1) &&
1098                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1099                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1100                         dev->device->driver->name);
1101                 return -EINVAL;
1102         }
1103
1104         /*
1105          * If jumbo frames are enabled, check that the maximum RX packet
1106          * length is supported by the configured device.
1107          */
1108         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1109                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1110                         RTE_ETHDEV_LOG(ERR,
1111                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1112                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1113                                 dev_info.max_rx_pktlen);
1114                         return -EINVAL;
1115                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1116                         RTE_ETHDEV_LOG(ERR,
1117                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1118                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1119                                 (unsigned)ETHER_MIN_LEN);
1120                         return -EINVAL;
1121                 }
1122         } else {
1123                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1124                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1125                         /* Use default value */
1126                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1127                                                         ETHER_MAX_LEN;
1128         }
1129
1130         /* Any requested offloading must be within its device capabilities */
1131         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1132              local_conf.rxmode.offloads) {
1133                 RTE_ETHDEV_LOG(ERR,
1134                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1135                         "capabilities 0x%"PRIx64" in %s()\n",
1136                         port_id, local_conf.rxmode.offloads,
1137                         dev_info.rx_offload_capa,
1138                         __func__);
1139                 return -EINVAL;
1140         }
1141         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1142              local_conf.txmode.offloads) {
1143                 RTE_ETHDEV_LOG(ERR,
1144                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1145                         "capabilities 0x%"PRIx64" in %s()\n",
1146                         port_id, local_conf.txmode.offloads,
1147                         dev_info.tx_offload_capa,
1148                         __func__);
1149                 return -EINVAL;
1150         }
1151
1152         /* Check that device supports requested rss hash functions. */
1153         if ((dev_info.flow_type_rss_offloads |
1154              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1155             dev_info.flow_type_rss_offloads) {
1156                 RTE_ETHDEV_LOG(ERR,
1157                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1158                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1159                         dev_info.flow_type_rss_offloads);
1160                 return -EINVAL;
1161         }
1162
1163         /*
1164          * Setup new number of RX/TX queues and reconfigure device.
1165          */
1166         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1167         if (diag != 0) {
1168                 RTE_ETHDEV_LOG(ERR,
1169                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1170                         port_id, diag);
1171                 return diag;
1172         }
1173
1174         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1175         if (diag != 0) {
1176                 RTE_ETHDEV_LOG(ERR,
1177                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1178                         port_id, diag);
1179                 rte_eth_dev_rx_queue_config(dev, 0);
1180                 return diag;
1181         }
1182
1183         diag = (*dev->dev_ops->dev_configure)(dev);
1184         if (diag != 0) {
1185                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1186                         port_id, diag);
1187                 rte_eth_dev_rx_queue_config(dev, 0);
1188                 rte_eth_dev_tx_queue_config(dev, 0);
1189                 return eth_err(port_id, diag);
1190         }
1191
1192         /* Initialize Rx profiling if enabled at compilation time. */
1193         diag = __rte_eth_dev_profile_init(port_id, dev);
1194         if (diag != 0) {
1195                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1196                         port_id, diag);
1197                 rte_eth_dev_rx_queue_config(dev, 0);
1198                 rte_eth_dev_tx_queue_config(dev, 0);
1199                 return eth_err(port_id, diag);
1200         }
1201
1202         return 0;
1203 }
1204
1205 void
1206 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1207 {
1208         if (dev->data->dev_started) {
1209                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1210                         dev->data->port_id);
1211                 return;
1212         }
1213
1214         rte_eth_dev_rx_queue_config(dev, 0);
1215         rte_eth_dev_tx_queue_config(dev, 0);
1216
1217         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1218 }
1219
1220 static void
1221 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1222                         struct rte_eth_dev_info *dev_info)
1223 {
1224         struct ether_addr *addr;
1225         uint16_t i;
1226         uint32_t pool = 0;
1227         uint64_t pool_mask;
1228
1229         /* replay MAC address configuration including default MAC */
1230         addr = &dev->data->mac_addrs[0];
1231         if (*dev->dev_ops->mac_addr_set != NULL)
1232                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1233         else if (*dev->dev_ops->mac_addr_add != NULL)
1234                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1235
1236         if (*dev->dev_ops->mac_addr_add != NULL) {
1237                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1238                         addr = &dev->data->mac_addrs[i];
1239
1240                         /* skip zero address */
1241                         if (is_zero_ether_addr(addr))
1242                                 continue;
1243
1244                         pool = 0;
1245                         pool_mask = dev->data->mac_pool_sel[i];
1246
1247                         do {
1248                                 if (pool_mask & 1ULL)
1249                                         (*dev->dev_ops->mac_addr_add)(dev,
1250                                                 addr, i, pool);
1251                                 pool_mask >>= 1;
1252                                 pool++;
1253                         } while (pool_mask);
1254                 }
1255         }
1256 }
1257
1258 static void
1259 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1260                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1261 {
1262         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1263                 rte_eth_dev_mac_restore(dev, dev_info);
1264
1265         /* replay promiscuous configuration */
1266         if (rte_eth_promiscuous_get(port_id) == 1)
1267                 rte_eth_promiscuous_enable(port_id);
1268         else if (rte_eth_promiscuous_get(port_id) == 0)
1269                 rte_eth_promiscuous_disable(port_id);
1270
1271         /* replay all multicast configuration */
1272         if (rte_eth_allmulticast_get(port_id) == 1)
1273                 rte_eth_allmulticast_enable(port_id);
1274         else if (rte_eth_allmulticast_get(port_id) == 0)
1275                 rte_eth_allmulticast_disable(port_id);
1276 }
1277
1278 int
1279 rte_eth_dev_start(uint16_t port_id)
1280 {
1281         struct rte_eth_dev *dev;
1282         struct rte_eth_dev_info dev_info;
1283         int diag;
1284
1285         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1286
1287         dev = &rte_eth_devices[port_id];
1288
1289         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1290
1291         if (dev->data->dev_started != 0) {
1292                 RTE_ETHDEV_LOG(INFO,
1293                         "Device with port_id=%"PRIu16" already started\n",
1294                         port_id);
1295                 return 0;
1296         }
1297
1298         rte_eth_dev_info_get(port_id, &dev_info);
1299
1300         /* Lets restore MAC now if device does not support live change */
1301         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1302                 rte_eth_dev_mac_restore(dev, &dev_info);
1303
1304         diag = (*dev->dev_ops->dev_start)(dev);
1305         if (diag == 0)
1306                 dev->data->dev_started = 1;
1307         else
1308                 return eth_err(port_id, diag);
1309
1310         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1311
1312         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1313                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1314                 (*dev->dev_ops->link_update)(dev, 0);
1315         }
1316         return 0;
1317 }
1318
1319 void
1320 rte_eth_dev_stop(uint16_t port_id)
1321 {
1322         struct rte_eth_dev *dev;
1323
1324         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1325         dev = &rte_eth_devices[port_id];
1326
1327         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1328
1329         if (dev->data->dev_started == 0) {
1330                 RTE_ETHDEV_LOG(INFO,
1331                         "Device with port_id=%"PRIu16" already stopped\n",
1332                         port_id);
1333                 return;
1334         }
1335
1336         dev->data->dev_started = 0;
1337         (*dev->dev_ops->dev_stop)(dev);
1338 }
1339
1340 int
1341 rte_eth_dev_set_link_up(uint16_t port_id)
1342 {
1343         struct rte_eth_dev *dev;
1344
1345         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1346
1347         dev = &rte_eth_devices[port_id];
1348
1349         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1350         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1351 }
1352
1353 int
1354 rte_eth_dev_set_link_down(uint16_t port_id)
1355 {
1356         struct rte_eth_dev *dev;
1357
1358         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1359
1360         dev = &rte_eth_devices[port_id];
1361
1362         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1363         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1364 }
1365
1366 void
1367 rte_eth_dev_close(uint16_t port_id)
1368 {
1369         struct rte_eth_dev *dev;
1370
1371         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1372         dev = &rte_eth_devices[port_id];
1373
1374         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1375         dev->data->dev_started = 0;
1376         (*dev->dev_ops->dev_close)(dev);
1377
1378         dev->data->nb_rx_queues = 0;
1379         rte_free(dev->data->rx_queues);
1380         dev->data->rx_queues = NULL;
1381         dev->data->nb_tx_queues = 0;
1382         rte_free(dev->data->tx_queues);
1383         dev->data->tx_queues = NULL;
1384 }
1385
1386 int
1387 rte_eth_dev_reset(uint16_t port_id)
1388 {
1389         struct rte_eth_dev *dev;
1390         int ret;
1391
1392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1393         dev = &rte_eth_devices[port_id];
1394
1395         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1396
1397         rte_eth_dev_stop(port_id);
1398         ret = dev->dev_ops->dev_reset(dev);
1399
1400         return eth_err(port_id, ret);
1401 }
1402
1403 int __rte_experimental
1404 rte_eth_dev_is_removed(uint16_t port_id)
1405 {
1406         struct rte_eth_dev *dev;
1407         int ret;
1408
1409         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1410
1411         dev = &rte_eth_devices[port_id];
1412
1413         if (dev->state == RTE_ETH_DEV_REMOVED)
1414                 return 1;
1415
1416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1417
1418         ret = dev->dev_ops->is_removed(dev);
1419         if (ret != 0)
1420                 /* Device is physically removed. */
1421                 dev->state = RTE_ETH_DEV_REMOVED;
1422
1423         return ret;
1424 }
1425
1426 int
1427 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1428                        uint16_t nb_rx_desc, unsigned int socket_id,
1429                        const struct rte_eth_rxconf *rx_conf,
1430                        struct rte_mempool *mp)
1431 {
1432         int ret;
1433         uint32_t mbp_buf_size;
1434         struct rte_eth_dev *dev;
1435         struct rte_eth_dev_info dev_info;
1436         struct rte_eth_rxconf local_conf;
1437         void **rxq;
1438
1439         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1440
1441         dev = &rte_eth_devices[port_id];
1442         if (rx_queue_id >= dev->data->nb_rx_queues) {
1443                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1444                 return -EINVAL;
1445         }
1446
1447         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1448         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1449
1450         /*
1451          * Check the size of the mbuf data buffer.
1452          * This value must be provided in the private data of the memory pool.
1453          * First check that the memory pool has a valid private data.
1454          */
1455         rte_eth_dev_info_get(port_id, &dev_info);
1456         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1457                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1458                         mp->name, (int)mp->private_data_size,
1459                         (int)sizeof(struct rte_pktmbuf_pool_private));
1460                 return -ENOSPC;
1461         }
1462         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1463
1464         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1465                 RTE_ETHDEV_LOG(ERR,
1466                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1467                         mp->name, (int)mbp_buf_size,
1468                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1469                         (int)RTE_PKTMBUF_HEADROOM,
1470                         (int)dev_info.min_rx_bufsize);
1471                 return -EINVAL;
1472         }
1473
1474         /* Use default specified by driver, if nb_rx_desc is zero */
1475         if (nb_rx_desc == 0) {
1476                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1477                 /* If driver default is also zero, fall back on EAL default */
1478                 if (nb_rx_desc == 0)
1479                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1480         }
1481
1482         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1483                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1484                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1485
1486                 RTE_ETHDEV_LOG(ERR,
1487                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1488                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1489                         dev_info.rx_desc_lim.nb_min,
1490                         dev_info.rx_desc_lim.nb_align);
1491                 return -EINVAL;
1492         }
1493
1494         if (dev->data->dev_started &&
1495                 !(dev_info.dev_capa &
1496                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1497                 return -EBUSY;
1498
1499         if (dev->data->dev_started &&
1500                 (dev->data->rx_queue_state[rx_queue_id] !=
1501                         RTE_ETH_QUEUE_STATE_STOPPED))
1502                 return -EBUSY;
1503
1504         rxq = dev->data->rx_queues;
1505         if (rxq[rx_queue_id]) {
1506                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1507                                         -ENOTSUP);
1508                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1509                 rxq[rx_queue_id] = NULL;
1510         }
1511
1512         if (rx_conf == NULL)
1513                 rx_conf = &dev_info.default_rxconf;
1514
1515         local_conf = *rx_conf;
1516
1517         /*
1518          * If an offloading has already been enabled in
1519          * rte_eth_dev_configure(), it has been enabled on all queues,
1520          * so there is no need to enable it in this queue again.
1521          * The local_conf.offloads input to underlying PMD only carries
1522          * those offloadings which are only enabled on this queue and
1523          * not enabled on all queues.
1524          */
1525         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1526
1527         /*
1528          * New added offloadings for this queue are those not enabled in
1529          * rte_eth_dev_configure() and they must be per-queue type.
1530          * A pure per-port offloading can't be enabled on a queue while
1531          * disabled on another queue. A pure per-port offloading can't
1532          * be enabled for any queue as new added one if it hasn't been
1533          * enabled in rte_eth_dev_configure().
1534          */
1535         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1536              local_conf.offloads) {
1537                 RTE_ETHDEV_LOG(ERR,
1538                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1539                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1540                         port_id, rx_queue_id, local_conf.offloads,
1541                         dev_info.rx_queue_offload_capa,
1542                         __func__);
1543                 return -EINVAL;
1544         }
1545
1546         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1547                                               socket_id, &local_conf, mp);
1548         if (!ret) {
1549                 if (!dev->data->min_rx_buf_size ||
1550                     dev->data->min_rx_buf_size > mbp_buf_size)
1551                         dev->data->min_rx_buf_size = mbp_buf_size;
1552         }
1553
1554         return eth_err(port_id, ret);
1555 }
1556
1557 int
1558 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1559                        uint16_t nb_tx_desc, unsigned int socket_id,
1560                        const struct rte_eth_txconf *tx_conf)
1561 {
1562         struct rte_eth_dev *dev;
1563         struct rte_eth_dev_info dev_info;
1564         struct rte_eth_txconf local_conf;
1565         void **txq;
1566
1567         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1568
1569         dev = &rte_eth_devices[port_id];
1570         if (tx_queue_id >= dev->data->nb_tx_queues) {
1571                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1572                 return -EINVAL;
1573         }
1574
1575         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1576         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1577
1578         rte_eth_dev_info_get(port_id, &dev_info);
1579
1580         /* Use default specified by driver, if nb_tx_desc is zero */
1581         if (nb_tx_desc == 0) {
1582                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1583                 /* If driver default is zero, fall back on EAL default */
1584                 if (nb_tx_desc == 0)
1585                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1586         }
1587         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1588             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1589             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1590                 RTE_ETHDEV_LOG(ERR,
1591                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1592                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1593                         dev_info.tx_desc_lim.nb_min,
1594                         dev_info.tx_desc_lim.nb_align);
1595                 return -EINVAL;
1596         }
1597
1598         if (dev->data->dev_started &&
1599                 !(dev_info.dev_capa &
1600                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1601                 return -EBUSY;
1602
1603         if (dev->data->dev_started &&
1604                 (dev->data->tx_queue_state[tx_queue_id] !=
1605                         RTE_ETH_QUEUE_STATE_STOPPED))
1606                 return -EBUSY;
1607
1608         txq = dev->data->tx_queues;
1609         if (txq[tx_queue_id]) {
1610                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1611                                         -ENOTSUP);
1612                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1613                 txq[tx_queue_id] = NULL;
1614         }
1615
1616         if (tx_conf == NULL)
1617                 tx_conf = &dev_info.default_txconf;
1618
1619         local_conf = *tx_conf;
1620
1621         /*
1622          * If an offloading has already been enabled in
1623          * rte_eth_dev_configure(), it has been enabled on all queues,
1624          * so there is no need to enable it in this queue again.
1625          * The local_conf.offloads input to underlying PMD only carries
1626          * those offloadings which are only enabled on this queue and
1627          * not enabled on all queues.
1628          */
1629         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1630
1631         /*
1632          * New added offloadings for this queue are those not enabled in
1633          * rte_eth_dev_configure() and they must be per-queue type.
1634          * A pure per-port offloading can't be enabled on a queue while
1635          * disabled on another queue. A pure per-port offloading can't
1636          * be enabled for any queue as new added one if it hasn't been
1637          * enabled in rte_eth_dev_configure().
1638          */
1639         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1640              local_conf.offloads) {
1641                 RTE_ETHDEV_LOG(ERR,
1642                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1643                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1644                         port_id, tx_queue_id, local_conf.offloads,
1645                         dev_info.tx_queue_offload_capa,
1646                         __func__);
1647                 return -EINVAL;
1648         }
1649
1650         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1651                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1652 }
1653
1654 void
1655 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1656                 void *userdata __rte_unused)
1657 {
1658         unsigned i;
1659
1660         for (i = 0; i < unsent; i++)
1661                 rte_pktmbuf_free(pkts[i]);
1662 }
1663
1664 void
1665 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1666                 void *userdata)
1667 {
1668         uint64_t *count = userdata;
1669         unsigned i;
1670
1671         for (i = 0; i < unsent; i++)
1672                 rte_pktmbuf_free(pkts[i]);
1673
1674         *count += unsent;
1675 }
1676
1677 int
1678 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1679                 buffer_tx_error_fn cbfn, void *userdata)
1680 {
1681         buffer->error_callback = cbfn;
1682         buffer->error_userdata = userdata;
1683         return 0;
1684 }
1685
1686 int
1687 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1688 {
1689         int ret = 0;
1690
1691         if (buffer == NULL)
1692                 return -EINVAL;
1693
1694         buffer->size = size;
1695         if (buffer->error_callback == NULL) {
1696                 ret = rte_eth_tx_buffer_set_err_callback(
1697                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1698         }
1699
1700         return ret;
1701 }
1702
1703 int
1704 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1705 {
1706         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1707         int ret;
1708
1709         /* Validate Input Data. Bail if not valid or not supported. */
1710         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1711         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1712
1713         /* Call driver to free pending mbufs. */
1714         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1715                                                free_cnt);
1716         return eth_err(port_id, ret);
1717 }
1718
1719 void
1720 rte_eth_promiscuous_enable(uint16_t port_id)
1721 {
1722         struct rte_eth_dev *dev;
1723
1724         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1725         dev = &rte_eth_devices[port_id];
1726
1727         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1728         (*dev->dev_ops->promiscuous_enable)(dev);
1729         dev->data->promiscuous = 1;
1730 }
1731
1732 void
1733 rte_eth_promiscuous_disable(uint16_t port_id)
1734 {
1735         struct rte_eth_dev *dev;
1736
1737         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1738         dev = &rte_eth_devices[port_id];
1739
1740         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1741         dev->data->promiscuous = 0;
1742         (*dev->dev_ops->promiscuous_disable)(dev);
1743 }
1744
1745 int
1746 rte_eth_promiscuous_get(uint16_t port_id)
1747 {
1748         struct rte_eth_dev *dev;
1749
1750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1751
1752         dev = &rte_eth_devices[port_id];
1753         return dev->data->promiscuous;
1754 }
1755
1756 void
1757 rte_eth_allmulticast_enable(uint16_t port_id)
1758 {
1759         struct rte_eth_dev *dev;
1760
1761         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1762         dev = &rte_eth_devices[port_id];
1763
1764         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1765         (*dev->dev_ops->allmulticast_enable)(dev);
1766         dev->data->all_multicast = 1;
1767 }
1768
1769 void
1770 rte_eth_allmulticast_disable(uint16_t port_id)
1771 {
1772         struct rte_eth_dev *dev;
1773
1774         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1775         dev = &rte_eth_devices[port_id];
1776
1777         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1778         dev->data->all_multicast = 0;
1779         (*dev->dev_ops->allmulticast_disable)(dev);
1780 }
1781
1782 int
1783 rte_eth_allmulticast_get(uint16_t port_id)
1784 {
1785         struct rte_eth_dev *dev;
1786
1787         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1788
1789         dev = &rte_eth_devices[port_id];
1790         return dev->data->all_multicast;
1791 }
1792
1793 void
1794 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1795 {
1796         struct rte_eth_dev *dev;
1797
1798         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1799         dev = &rte_eth_devices[port_id];
1800
1801         if (dev->data->dev_conf.intr_conf.lsc &&
1802             dev->data->dev_started)
1803                 rte_eth_linkstatus_get(dev, eth_link);
1804         else {
1805                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1806                 (*dev->dev_ops->link_update)(dev, 1);
1807                 *eth_link = dev->data->dev_link;
1808         }
1809 }
1810
1811 void
1812 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1813 {
1814         struct rte_eth_dev *dev;
1815
1816         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1817         dev = &rte_eth_devices[port_id];
1818
1819         if (dev->data->dev_conf.intr_conf.lsc &&
1820             dev->data->dev_started)
1821                 rte_eth_linkstatus_get(dev, eth_link);
1822         else {
1823                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1824                 (*dev->dev_ops->link_update)(dev, 0);
1825                 *eth_link = dev->data->dev_link;
1826         }
1827 }
1828
1829 int
1830 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1831 {
1832         struct rte_eth_dev *dev;
1833
1834         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1835
1836         dev = &rte_eth_devices[port_id];
1837         memset(stats, 0, sizeof(*stats));
1838
1839         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1840         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1841         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1842 }
1843
1844 int
1845 rte_eth_stats_reset(uint16_t port_id)
1846 {
1847         struct rte_eth_dev *dev;
1848
1849         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1850         dev = &rte_eth_devices[port_id];
1851
1852         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1853         (*dev->dev_ops->stats_reset)(dev);
1854         dev->data->rx_mbuf_alloc_failed = 0;
1855
1856         return 0;
1857 }
1858
1859 static inline int
1860 get_xstats_basic_count(struct rte_eth_dev *dev)
1861 {
1862         uint16_t nb_rxqs, nb_txqs;
1863         int count;
1864
1865         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1866         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1867
1868         count = RTE_NB_STATS;
1869         count += nb_rxqs * RTE_NB_RXQ_STATS;
1870         count += nb_txqs * RTE_NB_TXQ_STATS;
1871
1872         return count;
1873 }
1874
1875 static int
1876 get_xstats_count(uint16_t port_id)
1877 {
1878         struct rte_eth_dev *dev;
1879         int count;
1880
1881         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1882         dev = &rte_eth_devices[port_id];
1883         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1884                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1885                                 NULL, 0);
1886                 if (count < 0)
1887                         return eth_err(port_id, count);
1888         }
1889         if (dev->dev_ops->xstats_get_names != NULL) {
1890                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1891                 if (count < 0)
1892                         return eth_err(port_id, count);
1893         } else
1894                 count = 0;
1895
1896
1897         count += get_xstats_basic_count(dev);
1898
1899         return count;
1900 }
1901
1902 int
1903 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1904                 uint64_t *id)
1905 {
1906         int cnt_xstats, idx_xstat;
1907
1908         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1909
1910         if (!id) {
1911                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
1912                 return -ENOMEM;
1913         }
1914
1915         if (!xstat_name) {
1916                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
1917                 return -ENOMEM;
1918         }
1919
1920         /* Get count */
1921         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1922         if (cnt_xstats  < 0) {
1923                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
1924                 return -ENODEV;
1925         }
1926
1927         /* Get id-name lookup table */
1928         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1929
1930         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1931                         port_id, xstats_names, cnt_xstats, NULL)) {
1932                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
1933                 return -1;
1934         }
1935
1936         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1937                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1938                         *id = idx_xstat;
1939                         return 0;
1940                 };
1941         }
1942
1943         return -EINVAL;
1944 }
1945
1946 /* retrieve basic stats names */
1947 static int
1948 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
1949         struct rte_eth_xstat_name *xstats_names)
1950 {
1951         int cnt_used_entries = 0;
1952         uint32_t idx, id_queue;
1953         uint16_t num_q;
1954
1955         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1956                 snprintf(xstats_names[cnt_used_entries].name,
1957                         sizeof(xstats_names[0].name),
1958                         "%s", rte_stats_strings[idx].name);
1959                 cnt_used_entries++;
1960         }
1961         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1962         for (id_queue = 0; id_queue < num_q; id_queue++) {
1963                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1964                         snprintf(xstats_names[cnt_used_entries].name,
1965                                 sizeof(xstats_names[0].name),
1966                                 "rx_q%u%s",
1967                                 id_queue, rte_rxq_stats_strings[idx].name);
1968                         cnt_used_entries++;
1969                 }
1970
1971         }
1972         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1973         for (id_queue = 0; id_queue < num_q; id_queue++) {
1974                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1975                         snprintf(xstats_names[cnt_used_entries].name,
1976                                 sizeof(xstats_names[0].name),
1977                                 "tx_q%u%s",
1978                                 id_queue, rte_txq_stats_strings[idx].name);
1979                         cnt_used_entries++;
1980                 }
1981         }
1982         return cnt_used_entries;
1983 }
1984
1985 /* retrieve ethdev extended statistics names */
1986 int
1987 rte_eth_xstats_get_names_by_id(uint16_t port_id,
1988         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1989         uint64_t *ids)
1990 {
1991         struct rte_eth_xstat_name *xstats_names_copy;
1992         unsigned int no_basic_stat_requested = 1;
1993         unsigned int no_ext_stat_requested = 1;
1994         unsigned int expected_entries;
1995         unsigned int basic_count;
1996         struct rte_eth_dev *dev;
1997         unsigned int i;
1998         int ret;
1999
2000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2001         dev = &rte_eth_devices[port_id];
2002
2003         basic_count = get_xstats_basic_count(dev);
2004         ret = get_xstats_count(port_id);
2005         if (ret < 0)
2006                 return ret;
2007         expected_entries = (unsigned int)ret;
2008
2009         /* Return max number of stats if no ids given */
2010         if (!ids) {
2011                 if (!xstats_names)
2012                         return expected_entries;
2013                 else if (xstats_names && size < expected_entries)
2014                         return expected_entries;
2015         }
2016
2017         if (ids && !xstats_names)
2018                 return -EINVAL;
2019
2020         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2021                 uint64_t ids_copy[size];
2022
2023                 for (i = 0; i < size; i++) {
2024                         if (ids[i] < basic_count) {
2025                                 no_basic_stat_requested = 0;
2026                                 break;
2027                         }
2028
2029                         /*
2030                          * Convert ids to xstats ids that PMD knows.
2031                          * ids known by user are basic + extended stats.
2032                          */
2033                         ids_copy[i] = ids[i] - basic_count;
2034                 }
2035
2036                 if (no_basic_stat_requested)
2037                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2038                                         xstats_names, ids_copy, size);
2039         }
2040
2041         /* Retrieve all stats */
2042         if (!ids) {
2043                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2044                                 expected_entries);
2045                 if (num_stats < 0 || num_stats > (int)expected_entries)
2046                         return num_stats;
2047                 else
2048                         return expected_entries;
2049         }
2050
2051         xstats_names_copy = calloc(expected_entries,
2052                 sizeof(struct rte_eth_xstat_name));
2053
2054         if (!xstats_names_copy) {
2055                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2056                 return -ENOMEM;
2057         }
2058
2059         if (ids) {
2060                 for (i = 0; i < size; i++) {
2061                         if (ids[i] >= basic_count) {
2062                                 no_ext_stat_requested = 0;
2063                                 break;
2064                         }
2065                 }
2066         }
2067
2068         /* Fill xstats_names_copy structure */
2069         if (ids && no_ext_stat_requested) {
2070                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2071         } else {
2072                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2073                         expected_entries);
2074                 if (ret < 0) {
2075                         free(xstats_names_copy);
2076                         return ret;
2077                 }
2078         }
2079
2080         /* Filter stats */
2081         for (i = 0; i < size; i++) {
2082                 if (ids[i] >= expected_entries) {
2083                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2084                         free(xstats_names_copy);
2085                         return -1;
2086                 }
2087                 xstats_names[i] = xstats_names_copy[ids[i]];
2088         }
2089
2090         free(xstats_names_copy);
2091         return size;
2092 }
2093
2094 int
2095 rte_eth_xstats_get_names(uint16_t port_id,
2096         struct rte_eth_xstat_name *xstats_names,
2097         unsigned int size)
2098 {
2099         struct rte_eth_dev *dev;
2100         int cnt_used_entries;
2101         int cnt_expected_entries;
2102         int cnt_driver_entries;
2103
2104         cnt_expected_entries = get_xstats_count(port_id);
2105         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2106                         (int)size < cnt_expected_entries)
2107                 return cnt_expected_entries;
2108
2109         /* port_id checked in get_xstats_count() */
2110         dev = &rte_eth_devices[port_id];
2111
2112         cnt_used_entries = rte_eth_basic_stats_get_names(
2113                 dev, xstats_names);
2114
2115         if (dev->dev_ops->xstats_get_names != NULL) {
2116                 /* If there are any driver-specific xstats, append them
2117                  * to end of list.
2118                  */
2119                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2120                         dev,
2121                         xstats_names + cnt_used_entries,
2122                         size - cnt_used_entries);
2123                 if (cnt_driver_entries < 0)
2124                         return eth_err(port_id, cnt_driver_entries);
2125                 cnt_used_entries += cnt_driver_entries;
2126         }
2127
2128         return cnt_used_entries;
2129 }
2130
2131
2132 static int
2133 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2134 {
2135         struct rte_eth_dev *dev;
2136         struct rte_eth_stats eth_stats;
2137         unsigned int count = 0, i, q;
2138         uint64_t val, *stats_ptr;
2139         uint16_t nb_rxqs, nb_txqs;
2140         int ret;
2141
2142         ret = rte_eth_stats_get(port_id, &eth_stats);
2143         if (ret < 0)
2144                 return ret;
2145
2146         dev = &rte_eth_devices[port_id];
2147
2148         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2149         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2150
2151         /* global stats */
2152         for (i = 0; i < RTE_NB_STATS; i++) {
2153                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2154                                         rte_stats_strings[i].offset);
2155                 val = *stats_ptr;
2156                 xstats[count++].value = val;
2157         }
2158
2159         /* per-rxq stats */
2160         for (q = 0; q < nb_rxqs; q++) {
2161                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2162                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2163                                         rte_rxq_stats_strings[i].offset +
2164                                         q * sizeof(uint64_t));
2165                         val = *stats_ptr;
2166                         xstats[count++].value = val;
2167                 }
2168         }
2169
2170         /* per-txq stats */
2171         for (q = 0; q < nb_txqs; q++) {
2172                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2173                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2174                                         rte_txq_stats_strings[i].offset +
2175                                         q * sizeof(uint64_t));
2176                         val = *stats_ptr;
2177                         xstats[count++].value = val;
2178                 }
2179         }
2180         return count;
2181 }
2182
2183 /* retrieve ethdev extended statistics */
2184 int
2185 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2186                          uint64_t *values, unsigned int size)
2187 {
2188         unsigned int no_basic_stat_requested = 1;
2189         unsigned int no_ext_stat_requested = 1;
2190         unsigned int num_xstats_filled;
2191         unsigned int basic_count;
2192         uint16_t expected_entries;
2193         struct rte_eth_dev *dev;
2194         unsigned int i;
2195         int ret;
2196
2197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2198         ret = get_xstats_count(port_id);
2199         if (ret < 0)
2200                 return ret;
2201         expected_entries = (uint16_t)ret;
2202         struct rte_eth_xstat xstats[expected_entries];
2203         dev = &rte_eth_devices[port_id];
2204         basic_count = get_xstats_basic_count(dev);
2205
2206         /* Return max number of stats if no ids given */
2207         if (!ids) {
2208                 if (!values)
2209                         return expected_entries;
2210                 else if (values && size < expected_entries)
2211                         return expected_entries;
2212         }
2213
2214         if (ids && !values)
2215                 return -EINVAL;
2216
2217         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2218                 unsigned int basic_count = get_xstats_basic_count(dev);
2219                 uint64_t ids_copy[size];
2220
2221                 for (i = 0; i < size; i++) {
2222                         if (ids[i] < basic_count) {
2223                                 no_basic_stat_requested = 0;
2224                                 break;
2225                         }
2226
2227                         /*
2228                          * Convert ids to xstats ids that PMD knows.
2229                          * ids known by user are basic + extended stats.
2230                          */
2231                         ids_copy[i] = ids[i] - basic_count;
2232                 }
2233
2234                 if (no_basic_stat_requested)
2235                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2236                                         values, size);
2237         }
2238
2239         if (ids) {
2240                 for (i = 0; i < size; i++) {
2241                         if (ids[i] >= basic_count) {
2242                                 no_ext_stat_requested = 0;
2243                                 break;
2244                         }
2245                 }
2246         }
2247
2248         /* Fill the xstats structure */
2249         if (ids && no_ext_stat_requested)
2250                 ret = rte_eth_basic_stats_get(port_id, xstats);
2251         else
2252                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2253
2254         if (ret < 0)
2255                 return ret;
2256         num_xstats_filled = (unsigned int)ret;
2257
2258         /* Return all stats */
2259         if (!ids) {
2260                 for (i = 0; i < num_xstats_filled; i++)
2261                         values[i] = xstats[i].value;
2262                 return expected_entries;
2263         }
2264
2265         /* Filter stats */
2266         for (i = 0; i < size; i++) {
2267                 if (ids[i] >= expected_entries) {
2268                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2269                         return -1;
2270                 }
2271                 values[i] = xstats[ids[i]].value;
2272         }
2273         return size;
2274 }
2275
2276 int
2277 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2278         unsigned int n)
2279 {
2280         struct rte_eth_dev *dev;
2281         unsigned int count = 0, i;
2282         signed int xcount = 0;
2283         uint16_t nb_rxqs, nb_txqs;
2284         int ret;
2285
2286         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2287
2288         dev = &rte_eth_devices[port_id];
2289
2290         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2291         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2292
2293         /* Return generic statistics */
2294         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2295                 (nb_txqs * RTE_NB_TXQ_STATS);
2296
2297         /* implemented by the driver */
2298         if (dev->dev_ops->xstats_get != NULL) {
2299                 /* Retrieve the xstats from the driver at the end of the
2300                  * xstats struct.
2301                  */
2302                 xcount = (*dev->dev_ops->xstats_get)(dev,
2303                                      xstats ? xstats + count : NULL,
2304                                      (n > count) ? n - count : 0);
2305
2306                 if (xcount < 0)
2307                         return eth_err(port_id, xcount);
2308         }
2309
2310         if (n < count + xcount || xstats == NULL)
2311                 return count + xcount;
2312
2313         /* now fill the xstats structure */
2314         ret = rte_eth_basic_stats_get(port_id, xstats);
2315         if (ret < 0)
2316                 return ret;
2317         count = ret;
2318
2319         for (i = 0; i < count; i++)
2320                 xstats[i].id = i;
2321         /* add an offset to driver-specific stats */
2322         for ( ; i < count + xcount; i++)
2323                 xstats[i].id += count;
2324
2325         return count + xcount;
2326 }
2327
2328 /* reset ethdev extended statistics */
2329 void
2330 rte_eth_xstats_reset(uint16_t port_id)
2331 {
2332         struct rte_eth_dev *dev;
2333
2334         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2335         dev = &rte_eth_devices[port_id];
2336
2337         /* implemented by the driver */
2338         if (dev->dev_ops->xstats_reset != NULL) {
2339                 (*dev->dev_ops->xstats_reset)(dev);
2340                 return;
2341         }
2342
2343         /* fallback to default */
2344         rte_eth_stats_reset(port_id);
2345 }
2346
2347 static int
2348 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2349                 uint8_t is_rx)
2350 {
2351         struct rte_eth_dev *dev;
2352
2353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2354
2355         dev = &rte_eth_devices[port_id];
2356
2357         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2358
2359         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2360                 return -EINVAL;
2361
2362         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2363                 return -EINVAL;
2364
2365         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2366                 return -EINVAL;
2367
2368         return (*dev->dev_ops->queue_stats_mapping_set)
2369                         (dev, queue_id, stat_idx, is_rx);
2370 }
2371
2372
2373 int
2374 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2375                 uint8_t stat_idx)
2376 {
2377         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2378                                                 stat_idx, STAT_QMAP_TX));
2379 }
2380
2381
2382 int
2383 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2384                 uint8_t stat_idx)
2385 {
2386         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2387                                                 stat_idx, STAT_QMAP_RX));
2388 }
2389
2390 int
2391 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2392 {
2393         struct rte_eth_dev *dev;
2394
2395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2396         dev = &rte_eth_devices[port_id];
2397
2398         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2399         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2400                                                         fw_version, fw_size));
2401 }
2402
2403 void
2404 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2405 {
2406         struct rte_eth_dev *dev;
2407         const struct rte_eth_desc_lim lim = {
2408                 .nb_max = UINT16_MAX,
2409                 .nb_min = 0,
2410                 .nb_align = 1,
2411         };
2412
2413         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2414         dev = &rte_eth_devices[port_id];
2415
2416         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2417         dev_info->rx_desc_lim = lim;
2418         dev_info->tx_desc_lim = lim;
2419         dev_info->device = dev->device;
2420
2421         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2422         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2423         dev_info->driver_name = dev->device->driver->name;
2424         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2425         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2426
2427         dev_info->dev_flags = &dev->data->dev_flags;
2428 }
2429
2430 int
2431 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2432                                  uint32_t *ptypes, int num)
2433 {
2434         int i, j;
2435         struct rte_eth_dev *dev;
2436         const uint32_t *all_ptypes;
2437
2438         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2439         dev = &rte_eth_devices[port_id];
2440         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2441         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2442
2443         if (!all_ptypes)
2444                 return 0;
2445
2446         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2447                 if (all_ptypes[i] & ptype_mask) {
2448                         if (j < num)
2449                                 ptypes[j] = all_ptypes[i];
2450                         j++;
2451                 }
2452
2453         return j;
2454 }
2455
2456 void
2457 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2458 {
2459         struct rte_eth_dev *dev;
2460
2461         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2462         dev = &rte_eth_devices[port_id];
2463         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2464 }
2465
2466
2467 int
2468 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2469 {
2470         struct rte_eth_dev *dev;
2471
2472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2473
2474         dev = &rte_eth_devices[port_id];
2475         *mtu = dev->data->mtu;
2476         return 0;
2477 }
2478
2479 int
2480 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2481 {
2482         int ret;
2483         struct rte_eth_dev *dev;
2484
2485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2486         dev = &rte_eth_devices[port_id];
2487         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2488
2489         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2490         if (!ret)
2491                 dev->data->mtu = mtu;
2492
2493         return eth_err(port_id, ret);
2494 }
2495
2496 int
2497 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2498 {
2499         struct rte_eth_dev *dev;
2500         int ret;
2501
2502         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2503         dev = &rte_eth_devices[port_id];
2504         if (!(dev->data->dev_conf.rxmode.offloads &
2505               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2506                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2507                         port_id);
2508                 return -ENOSYS;
2509         }
2510
2511         if (vlan_id > 4095) {
2512                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2513                         port_id, vlan_id);
2514                 return -EINVAL;
2515         }
2516         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2517
2518         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2519         if (ret == 0) {
2520                 struct rte_vlan_filter_conf *vfc;
2521                 int vidx;
2522                 int vbit;
2523
2524                 vfc = &dev->data->vlan_filter_conf;
2525                 vidx = vlan_id / 64;
2526                 vbit = vlan_id % 64;
2527
2528                 if (on)
2529                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2530                 else
2531                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2532         }
2533
2534         return eth_err(port_id, ret);
2535 }
2536
2537 int
2538 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2539                                     int on)
2540 {
2541         struct rte_eth_dev *dev;
2542
2543         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2544         dev = &rte_eth_devices[port_id];
2545         if (rx_queue_id >= dev->data->nb_rx_queues) {
2546                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2547                 return -EINVAL;
2548         }
2549
2550         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2551         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2552
2553         return 0;
2554 }
2555
2556 int
2557 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2558                                 enum rte_vlan_type vlan_type,
2559                                 uint16_t tpid)
2560 {
2561         struct rte_eth_dev *dev;
2562
2563         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2564         dev = &rte_eth_devices[port_id];
2565         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2566
2567         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2568                                                                tpid));
2569 }
2570
2571 int
2572 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2573 {
2574         struct rte_eth_dev *dev;
2575         int ret = 0;
2576         int mask = 0;
2577         int cur, org = 0;
2578         uint64_t orig_offloads;
2579
2580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2581         dev = &rte_eth_devices[port_id];
2582
2583         /* save original values in case of failure */
2584         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2585
2586         /*check which option changed by application*/
2587         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2588         org = !!(dev->data->dev_conf.rxmode.offloads &
2589                  DEV_RX_OFFLOAD_VLAN_STRIP);
2590         if (cur != org) {
2591                 if (cur)
2592                         dev->data->dev_conf.rxmode.offloads |=
2593                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2594                 else
2595                         dev->data->dev_conf.rxmode.offloads &=
2596                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2597                 mask |= ETH_VLAN_STRIP_MASK;
2598         }
2599
2600         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2601         org = !!(dev->data->dev_conf.rxmode.offloads &
2602                  DEV_RX_OFFLOAD_VLAN_FILTER);
2603         if (cur != org) {
2604                 if (cur)
2605                         dev->data->dev_conf.rxmode.offloads |=
2606                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2607                 else
2608                         dev->data->dev_conf.rxmode.offloads &=
2609                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2610                 mask |= ETH_VLAN_FILTER_MASK;
2611         }
2612
2613         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2614         org = !!(dev->data->dev_conf.rxmode.offloads &
2615                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2616         if (cur != org) {
2617                 if (cur)
2618                         dev->data->dev_conf.rxmode.offloads |=
2619                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2620                 else
2621                         dev->data->dev_conf.rxmode.offloads &=
2622                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2623                 mask |= ETH_VLAN_EXTEND_MASK;
2624         }
2625
2626         /*no change*/
2627         if (mask == 0)
2628                 return ret;
2629
2630         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2631         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2632         if (ret) {
2633                 /* hit an error restore  original values */
2634                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2635         }
2636
2637         return eth_err(port_id, ret);
2638 }
2639
2640 int
2641 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2642 {
2643         struct rte_eth_dev *dev;
2644         int ret = 0;
2645
2646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2647         dev = &rte_eth_devices[port_id];
2648
2649         if (dev->data->dev_conf.rxmode.offloads &
2650             DEV_RX_OFFLOAD_VLAN_STRIP)
2651                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2652
2653         if (dev->data->dev_conf.rxmode.offloads &
2654             DEV_RX_OFFLOAD_VLAN_FILTER)
2655                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2656
2657         if (dev->data->dev_conf.rxmode.offloads &
2658             DEV_RX_OFFLOAD_VLAN_EXTEND)
2659                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2660
2661         return ret;
2662 }
2663
2664 int
2665 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2666 {
2667         struct rte_eth_dev *dev;
2668
2669         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2670         dev = &rte_eth_devices[port_id];
2671         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2672
2673         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2674 }
2675
2676 int
2677 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2678 {
2679         struct rte_eth_dev *dev;
2680
2681         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2682         dev = &rte_eth_devices[port_id];
2683         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2684         memset(fc_conf, 0, sizeof(*fc_conf));
2685         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2686 }
2687
2688 int
2689 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2690 {
2691         struct rte_eth_dev *dev;
2692
2693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2694         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2695                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2696                 return -EINVAL;
2697         }
2698
2699         dev = &rte_eth_devices[port_id];
2700         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2701         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2702 }
2703
2704 int
2705 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2706                                    struct rte_eth_pfc_conf *pfc_conf)
2707 {
2708         struct rte_eth_dev *dev;
2709
2710         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2711         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2712                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2713                 return -EINVAL;
2714         }
2715
2716         dev = &rte_eth_devices[port_id];
2717         /* High water, low water validation are device specific */
2718         if  (*dev->dev_ops->priority_flow_ctrl_set)
2719                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2720                                         (dev, pfc_conf));
2721         return -ENOTSUP;
2722 }
2723
2724 static int
2725 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2726                         uint16_t reta_size)
2727 {
2728         uint16_t i, num;
2729
2730         if (!reta_conf)
2731                 return -EINVAL;
2732
2733         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2734         for (i = 0; i < num; i++) {
2735                 if (reta_conf[i].mask)
2736                         return 0;
2737         }
2738
2739         return -EINVAL;
2740 }
2741
2742 static int
2743 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2744                          uint16_t reta_size,
2745                          uint16_t max_rxq)
2746 {
2747         uint16_t i, idx, shift;
2748
2749         if (!reta_conf)
2750                 return -EINVAL;
2751
2752         if (max_rxq == 0) {
2753                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2754                 return -EINVAL;
2755         }
2756
2757         for (i = 0; i < reta_size; i++) {
2758                 idx = i / RTE_RETA_GROUP_SIZE;
2759                 shift = i % RTE_RETA_GROUP_SIZE;
2760                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2761                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2762                         RTE_ETHDEV_LOG(ERR,
2763                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2764                                 idx, shift,
2765                                 reta_conf[idx].reta[shift], max_rxq);
2766                         return -EINVAL;
2767                 }
2768         }
2769
2770         return 0;
2771 }
2772
2773 int
2774 rte_eth_dev_rss_reta_update(uint16_t port_id,
2775                             struct rte_eth_rss_reta_entry64 *reta_conf,
2776                             uint16_t reta_size)
2777 {
2778         struct rte_eth_dev *dev;
2779         int ret;
2780
2781         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2782         /* Check mask bits */
2783         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2784         if (ret < 0)
2785                 return ret;
2786
2787         dev = &rte_eth_devices[port_id];
2788
2789         /* Check entry value */
2790         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2791                                 dev->data->nb_rx_queues);
2792         if (ret < 0)
2793                 return ret;
2794
2795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2796         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2797                                                              reta_size));
2798 }
2799
2800 int
2801 rte_eth_dev_rss_reta_query(uint16_t port_id,
2802                            struct rte_eth_rss_reta_entry64 *reta_conf,
2803                            uint16_t reta_size)
2804 {
2805         struct rte_eth_dev *dev;
2806         int ret;
2807
2808         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2809
2810         /* Check mask bits */
2811         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2812         if (ret < 0)
2813                 return ret;
2814
2815         dev = &rte_eth_devices[port_id];
2816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2817         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2818                                                             reta_size));
2819 }
2820
2821 int
2822 rte_eth_dev_rss_hash_update(uint16_t port_id,
2823                             struct rte_eth_rss_conf *rss_conf)
2824 {
2825         struct rte_eth_dev *dev;
2826         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2827
2828         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2829         dev = &rte_eth_devices[port_id];
2830         rte_eth_dev_info_get(port_id, &dev_info);
2831         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2832             dev_info.flow_type_rss_offloads) {
2833                 RTE_ETHDEV_LOG(ERR,
2834                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2835                         port_id, rss_conf->rss_hf,
2836                         dev_info.flow_type_rss_offloads);
2837                 return -EINVAL;
2838         }
2839         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2840         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2841                                                                  rss_conf));
2842 }
2843
2844 int
2845 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2846                               struct rte_eth_rss_conf *rss_conf)
2847 {
2848         struct rte_eth_dev *dev;
2849
2850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2851         dev = &rte_eth_devices[port_id];
2852         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2853         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2854                                                                    rss_conf));
2855 }
2856
2857 int
2858 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2859                                 struct rte_eth_udp_tunnel *udp_tunnel)
2860 {
2861         struct rte_eth_dev *dev;
2862
2863         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2864         if (udp_tunnel == NULL) {
2865                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2866                 return -EINVAL;
2867         }
2868
2869         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2870                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2871                 return -EINVAL;
2872         }
2873
2874         dev = &rte_eth_devices[port_id];
2875         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2876         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2877                                                                 udp_tunnel));
2878 }
2879
2880 int
2881 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2882                                    struct rte_eth_udp_tunnel *udp_tunnel)
2883 {
2884         struct rte_eth_dev *dev;
2885
2886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2887         dev = &rte_eth_devices[port_id];
2888
2889         if (udp_tunnel == NULL) {
2890                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2891                 return -EINVAL;
2892         }
2893
2894         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2895                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2896                 return -EINVAL;
2897         }
2898
2899         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2900         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2901                                                                 udp_tunnel));
2902 }
2903
2904 int
2905 rte_eth_led_on(uint16_t port_id)
2906 {
2907         struct rte_eth_dev *dev;
2908
2909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2910         dev = &rte_eth_devices[port_id];
2911         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2912         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
2913 }
2914
2915 int
2916 rte_eth_led_off(uint16_t port_id)
2917 {
2918         struct rte_eth_dev *dev;
2919
2920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2921         dev = &rte_eth_devices[port_id];
2922         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2923         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
2924 }
2925
2926 /*
2927  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2928  * an empty spot.
2929  */
2930 static int
2931 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2932 {
2933         struct rte_eth_dev_info dev_info;
2934         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2935         unsigned i;
2936
2937         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2938         rte_eth_dev_info_get(port_id, &dev_info);
2939
2940         for (i = 0; i < dev_info.max_mac_addrs; i++)
2941                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2942                         return i;
2943
2944         return -1;
2945 }
2946
2947 static const struct ether_addr null_mac_addr;
2948
2949 int
2950 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
2951                         uint32_t pool)
2952 {
2953         struct rte_eth_dev *dev;
2954         int index;
2955         uint64_t pool_mask;
2956         int ret;
2957
2958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2959         dev = &rte_eth_devices[port_id];
2960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2961
2962         if (is_zero_ether_addr(addr)) {
2963                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
2964                         port_id);
2965                 return -EINVAL;
2966         }
2967         if (pool >= ETH_64_POOLS) {
2968                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
2969                 return -EINVAL;
2970         }
2971
2972         index = get_mac_addr_index(port_id, addr);
2973         if (index < 0) {
2974                 index = get_mac_addr_index(port_id, &null_mac_addr);
2975                 if (index < 0) {
2976                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
2977                                 port_id);
2978                         return -ENOSPC;
2979                 }
2980         } else {
2981                 pool_mask = dev->data->mac_pool_sel[index];
2982
2983                 /* Check if both MAC address and pool is already there, and do nothing */
2984                 if (pool_mask & (1ULL << pool))
2985                         return 0;
2986         }
2987
2988         /* Update NIC */
2989         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2990
2991         if (ret == 0) {
2992                 /* Update address in NIC data structure */
2993                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2994
2995                 /* Update pool bitmap in NIC data structure */
2996                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2997         }
2998
2999         return eth_err(port_id, ret);
3000 }
3001
3002 int
3003 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3004 {
3005         struct rte_eth_dev *dev;
3006         int index;
3007
3008         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3009         dev = &rte_eth_devices[port_id];
3010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3011
3012         index = get_mac_addr_index(port_id, addr);
3013         if (index == 0) {
3014                 RTE_ETHDEV_LOG(ERR,
3015                         "Port %u: Cannot remove default MAC address\n",
3016                         port_id);
3017                 return -EADDRINUSE;
3018         } else if (index < 0)
3019                 return 0;  /* Do nothing if address wasn't found */
3020
3021         /* Update NIC */
3022         (*dev->dev_ops->mac_addr_remove)(dev, index);
3023
3024         /* Update address in NIC data structure */
3025         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3026
3027         /* reset pool bitmap */
3028         dev->data->mac_pool_sel[index] = 0;
3029
3030         return 0;
3031 }
3032
3033 int
3034 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3035 {
3036         struct rte_eth_dev *dev;
3037         int ret;
3038
3039         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3040
3041         if (!is_valid_assigned_ether_addr(addr))
3042                 return -EINVAL;
3043
3044         dev = &rte_eth_devices[port_id];
3045         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3046
3047         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3048         if (ret < 0)
3049                 return ret;
3050
3051         /* Update default address in NIC data structure */
3052         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3053
3054         return 0;
3055 }
3056
3057
3058 /*
3059  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3060  * an empty spot.
3061  */
3062 static int
3063 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3064 {
3065         struct rte_eth_dev_info dev_info;
3066         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3067         unsigned i;
3068
3069         rte_eth_dev_info_get(port_id, &dev_info);
3070         if (!dev->data->hash_mac_addrs)
3071                 return -1;
3072
3073         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3074                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3075                         ETHER_ADDR_LEN) == 0)
3076                         return i;
3077
3078         return -1;
3079 }
3080
3081 int
3082 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3083                                 uint8_t on)
3084 {
3085         int index;
3086         int ret;
3087         struct rte_eth_dev *dev;
3088
3089         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3090
3091         dev = &rte_eth_devices[port_id];
3092         if (is_zero_ether_addr(addr)) {
3093                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3094                         port_id);
3095                 return -EINVAL;
3096         }
3097
3098         index = get_hash_mac_addr_index(port_id, addr);
3099         /* Check if it's already there, and do nothing */
3100         if ((index >= 0) && on)
3101                 return 0;
3102
3103         if (index < 0) {
3104                 if (!on) {
3105                         RTE_ETHDEV_LOG(ERR,
3106                                 "Port %u: the MAC address was not set in UTA\n",
3107                                 port_id);
3108                         return -EINVAL;
3109                 }
3110
3111                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3112                 if (index < 0) {
3113                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3114                                 port_id);
3115                         return -ENOSPC;
3116                 }
3117         }
3118
3119         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3120         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3121         if (ret == 0) {
3122                 /* Update address in NIC data structure */
3123                 if (on)
3124                         ether_addr_copy(addr,
3125                                         &dev->data->hash_mac_addrs[index]);
3126                 else
3127                         ether_addr_copy(&null_mac_addr,
3128                                         &dev->data->hash_mac_addrs[index]);
3129         }
3130
3131         return eth_err(port_id, ret);
3132 }
3133
3134 int
3135 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3136 {
3137         struct rte_eth_dev *dev;
3138
3139         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3140
3141         dev = &rte_eth_devices[port_id];
3142
3143         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3144         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3145                                                                        on));
3146 }
3147
3148 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3149                                         uint16_t tx_rate)
3150 {
3151         struct rte_eth_dev *dev;
3152         struct rte_eth_dev_info dev_info;
3153         struct rte_eth_link link;
3154
3155         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3156
3157         dev = &rte_eth_devices[port_id];
3158         rte_eth_dev_info_get(port_id, &dev_info);
3159         link = dev->data->dev_link;
3160
3161         if (queue_idx > dev_info.max_tx_queues) {
3162                 RTE_ETHDEV_LOG(ERR,
3163                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3164                         port_id, queue_idx);
3165                 return -EINVAL;
3166         }
3167
3168         if (tx_rate > link.link_speed) {
3169                 RTE_ETHDEV_LOG(ERR,
3170                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3171                         tx_rate, link.link_speed);
3172                 return -EINVAL;
3173         }
3174
3175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3176         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3177                                                         queue_idx, tx_rate));
3178 }
3179
3180 int
3181 rte_eth_mirror_rule_set(uint16_t port_id,
3182                         struct rte_eth_mirror_conf *mirror_conf,
3183                         uint8_t rule_id, uint8_t on)
3184 {
3185         struct rte_eth_dev *dev;
3186
3187         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3188         if (mirror_conf->rule_type == 0) {
3189                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3190                 return -EINVAL;
3191         }
3192
3193         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3194                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3195                         ETH_64_POOLS - 1);
3196                 return -EINVAL;
3197         }
3198
3199         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3200              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3201             (mirror_conf->pool_mask == 0)) {
3202                 RTE_ETHDEV_LOG(ERR,
3203                         "Invalid mirror pool, pool mask can not be 0\n");
3204                 return -EINVAL;
3205         }
3206
3207         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3208             mirror_conf->vlan.vlan_mask == 0) {
3209                 RTE_ETHDEV_LOG(ERR,
3210                         "Invalid vlan mask, vlan mask can not be 0\n");
3211                 return -EINVAL;
3212         }
3213
3214         dev = &rte_eth_devices[port_id];
3215         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3216
3217         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3218                                                 mirror_conf, rule_id, on));
3219 }
3220
3221 int
3222 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3223 {
3224         struct rte_eth_dev *dev;
3225
3226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3227
3228         dev = &rte_eth_devices[port_id];
3229         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3230
3231         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3232                                                                    rule_id));
3233 }
3234
3235 RTE_INIT(eth_dev_init_cb_lists)
3236 {
3237         int i;
3238
3239         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3240                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3241 }
3242
3243 int
3244 rte_eth_dev_callback_register(uint16_t port_id,
3245                         enum rte_eth_event_type event,
3246                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3247 {
3248         struct rte_eth_dev *dev;
3249         struct rte_eth_dev_callback *user_cb;
3250         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3251         uint16_t last_port;
3252
3253         if (!cb_fn)
3254                 return -EINVAL;
3255
3256         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3257                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3258                 return -EINVAL;
3259         }
3260
3261         if (port_id == RTE_ETH_ALL) {
3262                 next_port = 0;
3263                 last_port = RTE_MAX_ETHPORTS - 1;
3264         } else {
3265                 next_port = last_port = port_id;
3266         }
3267
3268         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3269
3270         do {
3271                 dev = &rte_eth_devices[next_port];
3272
3273                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3274                         if (user_cb->cb_fn == cb_fn &&
3275                                 user_cb->cb_arg == cb_arg &&
3276                                 user_cb->event == event) {
3277                                 break;
3278                         }
3279                 }
3280
3281                 /* create a new callback. */
3282                 if (user_cb == NULL) {
3283                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3284                                 sizeof(struct rte_eth_dev_callback), 0);
3285                         if (user_cb != NULL) {
3286                                 user_cb->cb_fn = cb_fn;
3287                                 user_cb->cb_arg = cb_arg;
3288                                 user_cb->event = event;
3289                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3290                                                   user_cb, next);
3291                         } else {
3292                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3293                                 rte_eth_dev_callback_unregister(port_id, event,
3294                                                                 cb_fn, cb_arg);
3295                                 return -ENOMEM;
3296                         }
3297
3298                 }
3299         } while (++next_port <= last_port);
3300
3301         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3302         return 0;
3303 }
3304
3305 int
3306 rte_eth_dev_callback_unregister(uint16_t port_id,
3307                         enum rte_eth_event_type event,
3308                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3309 {
3310         int ret;
3311         struct rte_eth_dev *dev;
3312         struct rte_eth_dev_callback *cb, *next;
3313         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3314         uint16_t last_port;
3315
3316         if (!cb_fn)
3317                 return -EINVAL;
3318
3319         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3320                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3321                 return -EINVAL;
3322         }
3323
3324         if (port_id == RTE_ETH_ALL) {
3325                 next_port = 0;
3326                 last_port = RTE_MAX_ETHPORTS - 1;
3327         } else {
3328                 next_port = last_port = port_id;
3329         }
3330
3331         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3332
3333         do {
3334                 dev = &rte_eth_devices[next_port];
3335                 ret = 0;
3336                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3337                      cb = next) {
3338
3339                         next = TAILQ_NEXT(cb, next);
3340
3341                         if (cb->cb_fn != cb_fn || cb->event != event ||
3342                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3343                                 continue;
3344
3345                         /*
3346                          * if this callback is not executing right now,
3347                          * then remove it.
3348                          */
3349                         if (cb->active == 0) {
3350                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3351                                 rte_free(cb);
3352                         } else {
3353                                 ret = -EAGAIN;
3354                         }
3355                 }
3356         } while (++next_port <= last_port);
3357
3358         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3359         return ret;
3360 }
3361
3362 int
3363 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3364         enum rte_eth_event_type event, void *ret_param)
3365 {
3366         struct rte_eth_dev_callback *cb_lst;
3367         struct rte_eth_dev_callback dev_cb;
3368         int rc = 0;
3369
3370         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3371         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3372                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3373                         continue;
3374                 dev_cb = *cb_lst;
3375                 cb_lst->active = 1;
3376                 if (ret_param != NULL)
3377                         dev_cb.ret_param = ret_param;
3378
3379                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3380                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3381                                 dev_cb.cb_arg, dev_cb.ret_param);
3382                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3383                 cb_lst->active = 0;
3384         }
3385         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3386         return rc;
3387 }
3388
3389 void
3390 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3391 {
3392         if (dev == NULL)
3393                 return;
3394
3395         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3396
3397         dev->state = RTE_ETH_DEV_ATTACHED;
3398 }
3399
3400 int
3401 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3402 {
3403         uint32_t vec;
3404         struct rte_eth_dev *dev;
3405         struct rte_intr_handle *intr_handle;
3406         uint16_t qid;
3407         int rc;
3408
3409         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3410
3411         dev = &rte_eth_devices[port_id];
3412
3413         if (!dev->intr_handle) {
3414                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3415                 return -ENOTSUP;
3416         }
3417
3418         intr_handle = dev->intr_handle;
3419         if (!intr_handle->intr_vec) {
3420                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3421                 return -EPERM;
3422         }
3423
3424         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3425                 vec = intr_handle->intr_vec[qid];
3426                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3427                 if (rc && rc != -EEXIST) {
3428                         RTE_ETHDEV_LOG(ERR,
3429                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3430                                 port_id, qid, op, epfd, vec);
3431                 }
3432         }
3433
3434         return 0;
3435 }
3436
3437 int __rte_experimental
3438 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3439 {
3440         struct rte_intr_handle *intr_handle;
3441         struct rte_eth_dev *dev;
3442         unsigned int efd_idx;
3443         uint32_t vec;
3444         int fd;
3445
3446         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3447
3448         dev = &rte_eth_devices[port_id];
3449
3450         if (queue_id >= dev->data->nb_rx_queues) {
3451                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3452                 return -1;
3453         }
3454
3455         if (!dev->intr_handle) {
3456                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3457                 return -1;
3458         }
3459
3460         intr_handle = dev->intr_handle;
3461         if (!intr_handle->intr_vec) {
3462                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3463                 return -1;
3464         }
3465
3466         vec = intr_handle->intr_vec[queue_id];
3467         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3468                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3469         fd = intr_handle->efds[efd_idx];
3470
3471         return fd;
3472 }
3473
3474 const struct rte_memzone *
3475 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3476                          uint16_t queue_id, size_t size, unsigned align,
3477                          int socket_id)
3478 {
3479         char z_name[RTE_MEMZONE_NAMESIZE];
3480         const struct rte_memzone *mz;
3481
3482         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3483                  dev->device->driver->name, ring_name,
3484                  dev->data->port_id, queue_id);
3485
3486         mz = rte_memzone_lookup(z_name);
3487         if (mz)
3488                 return mz;
3489
3490         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3491                         RTE_MEMZONE_IOVA_CONTIG, align);
3492 }
3493
3494 int __rte_experimental
3495 rte_eth_dev_create(struct rte_device *device, const char *name,
3496         size_t priv_data_size,
3497         ethdev_bus_specific_init ethdev_bus_specific_init,
3498         void *bus_init_params,
3499         ethdev_init_t ethdev_init, void *init_params)
3500 {
3501         struct rte_eth_dev *ethdev;
3502         int retval;
3503
3504         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3505
3506         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3507                 ethdev = rte_eth_dev_allocate(name);
3508                 if (!ethdev)
3509                         return -ENODEV;
3510
3511                 if (priv_data_size) {
3512                         ethdev->data->dev_private = rte_zmalloc_socket(
3513                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3514                                 device->numa_node);
3515
3516                         if (!ethdev->data->dev_private) {
3517                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3518                                 retval = -ENOMEM;
3519                                 goto data_alloc_failed;
3520                         }
3521                 }
3522         } else {
3523                 ethdev = rte_eth_dev_attach_secondary(name);
3524                 if (!ethdev) {
3525                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3526                                 "ethdev doesn't exist");
3527                         return  -ENODEV;
3528                 }
3529         }
3530
3531         ethdev->device = device;
3532
3533         if (ethdev_bus_specific_init) {
3534                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3535                 if (retval) {
3536                         RTE_LOG(ERR, EAL,
3537                                 "ethdev bus specific initialisation failed");
3538                         goto probe_failed;
3539                 }
3540         }
3541
3542         retval = ethdev_init(ethdev, init_params);
3543         if (retval) {
3544                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3545                 goto probe_failed;
3546         }
3547
3548         rte_eth_dev_probing_finish(ethdev);
3549
3550         return retval;
3551 probe_failed:
3552         /* free ports private data if primary process */
3553         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3554                 rte_free(ethdev->data->dev_private);
3555
3556 data_alloc_failed:
3557         rte_eth_dev_release_port(ethdev);
3558
3559         return retval;
3560 }
3561
3562 int  __rte_experimental
3563 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3564         ethdev_uninit_t ethdev_uninit)
3565 {
3566         int ret;
3567
3568         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3569         if (!ethdev)
3570                 return -ENODEV;
3571
3572         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3573         if (ethdev_uninit) {
3574                 ret = ethdev_uninit(ethdev);
3575                 if (ret)
3576                         return ret;
3577         }
3578
3579         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3580                 rte_free(ethdev->data->dev_private);
3581
3582         ethdev->data->dev_private = NULL;
3583
3584         return rte_eth_dev_release_port(ethdev);
3585 }
3586
3587 int
3588 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3589                           int epfd, int op, void *data)
3590 {
3591         uint32_t vec;
3592         struct rte_eth_dev *dev;
3593         struct rte_intr_handle *intr_handle;
3594         int rc;
3595
3596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3597
3598         dev = &rte_eth_devices[port_id];
3599         if (queue_id >= dev->data->nb_rx_queues) {
3600                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3601                 return -EINVAL;
3602         }
3603
3604         if (!dev->intr_handle) {
3605                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3606                 return -ENOTSUP;
3607         }
3608
3609         intr_handle = dev->intr_handle;
3610         if (!intr_handle->intr_vec) {
3611                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3612                 return -EPERM;
3613         }
3614
3615         vec = intr_handle->intr_vec[queue_id];
3616         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3617         if (rc && rc != -EEXIST) {
3618                 RTE_ETHDEV_LOG(ERR,
3619                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3620                         port_id, queue_id, op, epfd, vec);
3621                 return rc;
3622         }
3623
3624         return 0;
3625 }
3626
3627 int
3628 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3629                            uint16_t queue_id)
3630 {
3631         struct rte_eth_dev *dev;
3632
3633         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3634
3635         dev = &rte_eth_devices[port_id];
3636
3637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3638         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3639                                                                 queue_id));
3640 }
3641
3642 int
3643 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3644                             uint16_t queue_id)
3645 {
3646         struct rte_eth_dev *dev;
3647
3648         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3649
3650         dev = &rte_eth_devices[port_id];
3651
3652         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3653         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3654                                                                 queue_id));
3655 }
3656
3657
3658 int
3659 rte_eth_dev_filter_supported(uint16_t port_id,
3660                              enum rte_filter_type filter_type)
3661 {
3662         struct rte_eth_dev *dev;
3663
3664         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3665
3666         dev = &rte_eth_devices[port_id];
3667         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3668         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3669                                 RTE_ETH_FILTER_NOP, NULL);
3670 }
3671
3672 int
3673 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3674                         enum rte_filter_op filter_op, void *arg)
3675 {
3676         struct rte_eth_dev *dev;
3677
3678         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3679
3680         dev = &rte_eth_devices[port_id];
3681         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3682         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3683                                                              filter_op, arg));
3684 }
3685
3686 const struct rte_eth_rxtx_callback *
3687 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3688                 rte_rx_callback_fn fn, void *user_param)
3689 {
3690 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3691         rte_errno = ENOTSUP;
3692         return NULL;
3693 #endif
3694         /* check input parameters */
3695         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3696                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3697                 rte_errno = EINVAL;
3698                 return NULL;
3699         }
3700         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3701
3702         if (cb == NULL) {
3703                 rte_errno = ENOMEM;
3704                 return NULL;
3705         }
3706
3707         cb->fn.rx = fn;
3708         cb->param = user_param;
3709
3710         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3711         /* Add the callbacks in fifo order. */
3712         struct rte_eth_rxtx_callback *tail =
3713                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3714
3715         if (!tail) {
3716                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3717
3718         } else {
3719                 while (tail->next)
3720                         tail = tail->next;
3721                 tail->next = cb;
3722         }
3723         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3724
3725         return cb;
3726 }
3727
3728 const struct rte_eth_rxtx_callback *
3729 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3730                 rte_rx_callback_fn fn, void *user_param)
3731 {
3732 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3733         rte_errno = ENOTSUP;
3734         return NULL;
3735 #endif
3736         /* check input parameters */
3737         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3738                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3739                 rte_errno = EINVAL;
3740                 return NULL;
3741         }
3742
3743         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3744
3745         if (cb == NULL) {
3746                 rte_errno = ENOMEM;
3747                 return NULL;
3748         }
3749
3750         cb->fn.rx = fn;
3751         cb->param = user_param;
3752
3753         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3754         /* Add the callbacks at fisrt position*/
3755         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3756         rte_smp_wmb();
3757         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3758         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3759
3760         return cb;
3761 }
3762
3763 const struct rte_eth_rxtx_callback *
3764 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3765                 rte_tx_callback_fn fn, void *user_param)
3766 {
3767 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3768         rte_errno = ENOTSUP;
3769         return NULL;
3770 #endif
3771         /* check input parameters */
3772         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3773                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3774                 rte_errno = EINVAL;
3775                 return NULL;
3776         }
3777
3778         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3779
3780         if (cb == NULL) {
3781                 rte_errno = ENOMEM;
3782                 return NULL;
3783         }
3784
3785         cb->fn.tx = fn;
3786         cb->param = user_param;
3787
3788         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3789         /* Add the callbacks in fifo order. */
3790         struct rte_eth_rxtx_callback *tail =
3791                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3792
3793         if (!tail) {
3794                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3795
3796         } else {
3797                 while (tail->next)
3798                         tail = tail->next;
3799                 tail->next = cb;
3800         }
3801         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3802
3803         return cb;
3804 }
3805
3806 int
3807 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3808                 const struct rte_eth_rxtx_callback *user_cb)
3809 {
3810 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3811         return -ENOTSUP;
3812 #endif
3813         /* Check input parameters. */
3814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3815         if (user_cb == NULL ||
3816                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3817                 return -EINVAL;
3818
3819         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3820         struct rte_eth_rxtx_callback *cb;
3821         struct rte_eth_rxtx_callback **prev_cb;
3822         int ret = -EINVAL;
3823
3824         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3825         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3826         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3827                 cb = *prev_cb;
3828                 if (cb == user_cb) {
3829                         /* Remove the user cb from the callback list. */
3830                         *prev_cb = cb->next;
3831                         ret = 0;
3832                         break;
3833                 }
3834         }
3835         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3836
3837         return ret;
3838 }
3839
3840 int
3841 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3842                 const struct rte_eth_rxtx_callback *user_cb)
3843 {
3844 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3845         return -ENOTSUP;
3846 #endif
3847         /* Check input parameters. */
3848         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3849         if (user_cb == NULL ||
3850                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3851                 return -EINVAL;
3852
3853         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3854         int ret = -EINVAL;
3855         struct rte_eth_rxtx_callback *cb;
3856         struct rte_eth_rxtx_callback **prev_cb;
3857
3858         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3859         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3860         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3861                 cb = *prev_cb;
3862                 if (cb == user_cb) {
3863                         /* Remove the user cb from the callback list. */
3864                         *prev_cb = cb->next;
3865                         ret = 0;
3866                         break;
3867                 }
3868         }
3869         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3870
3871         return ret;
3872 }
3873
3874 int
3875 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3876         struct rte_eth_rxq_info *qinfo)
3877 {
3878         struct rte_eth_dev *dev;
3879
3880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3881
3882         if (qinfo == NULL)
3883                 return -EINVAL;
3884
3885         dev = &rte_eth_devices[port_id];
3886         if (queue_id >= dev->data->nb_rx_queues) {
3887                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3888                 return -EINVAL;
3889         }
3890
3891         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3892
3893         memset(qinfo, 0, sizeof(*qinfo));
3894         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3895         return 0;
3896 }
3897
3898 int
3899 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3900         struct rte_eth_txq_info *qinfo)
3901 {
3902         struct rte_eth_dev *dev;
3903
3904         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3905
3906         if (qinfo == NULL)
3907                 return -EINVAL;
3908
3909         dev = &rte_eth_devices[port_id];
3910         if (queue_id >= dev->data->nb_tx_queues) {
3911                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
3912                 return -EINVAL;
3913         }
3914
3915         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3916
3917         memset(qinfo, 0, sizeof(*qinfo));
3918         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3919
3920         return 0;
3921 }
3922
3923 int
3924 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3925                              struct ether_addr *mc_addr_set,
3926                              uint32_t nb_mc_addr)
3927 {
3928         struct rte_eth_dev *dev;
3929
3930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3931
3932         dev = &rte_eth_devices[port_id];
3933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3934         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3935                                                 mc_addr_set, nb_mc_addr));
3936 }
3937
3938 int
3939 rte_eth_timesync_enable(uint16_t port_id)
3940 {
3941         struct rte_eth_dev *dev;
3942
3943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3944         dev = &rte_eth_devices[port_id];
3945
3946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3947         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
3948 }
3949
3950 int
3951 rte_eth_timesync_disable(uint16_t port_id)
3952 {
3953         struct rte_eth_dev *dev;
3954
3955         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3956         dev = &rte_eth_devices[port_id];
3957
3958         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3959         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
3960 }
3961
3962 int
3963 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3964                                    uint32_t flags)
3965 {
3966         struct rte_eth_dev *dev;
3967
3968         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3969         dev = &rte_eth_devices[port_id];
3970
3971         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3972         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
3973                                 (dev, timestamp, flags));
3974 }
3975
3976 int
3977 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3978                                    struct timespec *timestamp)
3979 {
3980         struct rte_eth_dev *dev;
3981
3982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3983         dev = &rte_eth_devices[port_id];
3984
3985         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3986         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
3987                                 (dev, timestamp));
3988 }
3989
3990 int
3991 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3992 {
3993         struct rte_eth_dev *dev;
3994
3995         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3996         dev = &rte_eth_devices[port_id];
3997
3998         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3999         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4000                                                                       delta));
4001 }
4002
4003 int
4004 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4005 {
4006         struct rte_eth_dev *dev;
4007
4008         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4009         dev = &rte_eth_devices[port_id];
4010
4011         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4012         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4013                                                                 timestamp));
4014 }
4015
4016 int
4017 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4018 {
4019         struct rte_eth_dev *dev;
4020
4021         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4022         dev = &rte_eth_devices[port_id];
4023
4024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4025         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4026                                                                 timestamp));
4027 }
4028
4029 int
4030 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4031 {
4032         struct rte_eth_dev *dev;
4033
4034         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4035
4036         dev = &rte_eth_devices[port_id];
4037         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4038         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4039 }
4040
4041 int
4042 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4043 {
4044         struct rte_eth_dev *dev;
4045
4046         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4047
4048         dev = &rte_eth_devices[port_id];
4049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4050         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4051 }
4052
4053 int
4054 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4055 {
4056         struct rte_eth_dev *dev;
4057
4058         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4059
4060         dev = &rte_eth_devices[port_id];
4061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4062         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4063 }
4064
4065 int
4066 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4067 {
4068         struct rte_eth_dev *dev;
4069
4070         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4071
4072         dev = &rte_eth_devices[port_id];
4073         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4074         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4075 }
4076
4077 int __rte_experimental
4078 rte_eth_dev_get_module_info(uint16_t port_id,
4079                             struct rte_eth_dev_module_info *modinfo)
4080 {
4081         struct rte_eth_dev *dev;
4082
4083         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4084
4085         dev = &rte_eth_devices[port_id];
4086         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4087         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4088 }
4089
4090 int __rte_experimental
4091 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4092                               struct rte_dev_eeprom_info *info)
4093 {
4094         struct rte_eth_dev *dev;
4095
4096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4097
4098         dev = &rte_eth_devices[port_id];
4099         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4100         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4101 }
4102
4103 int
4104 rte_eth_dev_get_dcb_info(uint16_t port_id,
4105                              struct rte_eth_dcb_info *dcb_info)
4106 {
4107         struct rte_eth_dev *dev;
4108
4109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4110
4111         dev = &rte_eth_devices[port_id];
4112         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4113
4114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4115         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4116 }
4117
4118 int
4119 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4120                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4121 {
4122         struct rte_eth_dev *dev;
4123
4124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4125         if (l2_tunnel == NULL) {
4126                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4127                 return -EINVAL;
4128         }
4129
4130         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4131                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4132                 return -EINVAL;
4133         }
4134
4135         dev = &rte_eth_devices[port_id];
4136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4137                                 -ENOTSUP);
4138         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4139                                                                 l2_tunnel));
4140 }
4141
4142 int
4143 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4144                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4145                                   uint32_t mask,
4146                                   uint8_t en)
4147 {
4148         struct rte_eth_dev *dev;
4149
4150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4151
4152         if (l2_tunnel == NULL) {
4153                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4154                 return -EINVAL;
4155         }
4156
4157         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4158                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4159                 return -EINVAL;
4160         }
4161
4162         if (mask == 0) {
4163                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4164                 return -EINVAL;
4165         }
4166
4167         dev = &rte_eth_devices[port_id];
4168         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4169                                 -ENOTSUP);
4170         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4171                                                         l2_tunnel, mask, en));
4172 }
4173
4174 static void
4175 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4176                            const struct rte_eth_desc_lim *desc_lim)
4177 {
4178         if (desc_lim->nb_align != 0)
4179                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4180
4181         if (desc_lim->nb_max != 0)
4182                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4183
4184         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4185 }
4186
4187 int
4188 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4189                                  uint16_t *nb_rx_desc,
4190                                  uint16_t *nb_tx_desc)
4191 {
4192         struct rte_eth_dev *dev;
4193         struct rte_eth_dev_info dev_info;
4194
4195         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4196
4197         dev = &rte_eth_devices[port_id];
4198         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4199
4200         rte_eth_dev_info_get(port_id, &dev_info);
4201
4202         if (nb_rx_desc != NULL)
4203                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4204
4205         if (nb_tx_desc != NULL)
4206                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4207
4208         return 0;
4209 }
4210
4211 int
4212 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4213 {
4214         struct rte_eth_dev *dev;
4215
4216         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4217
4218         if (pool == NULL)
4219                 return -EINVAL;
4220
4221         dev = &rte_eth_devices[port_id];
4222
4223         if (*dev->dev_ops->pool_ops_supported == NULL)
4224                 return 1; /* all pools are supported */
4225
4226         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4227 }
4228
4229 /**
4230  * A set of values to describe the possible states of a switch domain.
4231  */
4232 enum rte_eth_switch_domain_state {
4233         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4234         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4235 };
4236
4237 /**
4238  * Array of switch domains available for allocation. Array is sized to
4239  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4240  * ethdev ports in a single process.
4241  */
4242 struct rte_eth_dev_switch {
4243         enum rte_eth_switch_domain_state state;
4244 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4245
4246 int __rte_experimental
4247 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4248 {
4249         unsigned int i;
4250
4251         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4252
4253         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4254                 i < RTE_MAX_ETHPORTS; i++) {
4255                 if (rte_eth_switch_domains[i].state ==
4256                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4257                         rte_eth_switch_domains[i].state =
4258                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4259                         *domain_id = i;
4260                         return 0;
4261                 }
4262         }
4263
4264         return -ENOSPC;
4265 }
4266
4267 int __rte_experimental
4268 rte_eth_switch_domain_free(uint16_t domain_id)
4269 {
4270         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4271                 domain_id >= RTE_MAX_ETHPORTS)
4272                 return -EINVAL;
4273
4274         if (rte_eth_switch_domains[domain_id].state !=
4275                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4276                 return -EINVAL;
4277
4278         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4279
4280         return 0;
4281 }
4282
4283 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4284
4285 static int
4286 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4287 {
4288         int state;
4289         struct rte_kvargs_pair *pair;
4290         char *letter;
4291
4292         arglist->str = strdup(str_in);
4293         if (arglist->str == NULL)
4294                 return -ENOMEM;
4295
4296         letter = arglist->str;
4297         state = 0;
4298         arglist->count = 0;
4299         pair = &arglist->pairs[0];
4300         while (1) {
4301                 switch (state) {
4302                 case 0: /* Initial */
4303                         if (*letter == '=')
4304                                 return -EINVAL;
4305                         else if (*letter == '\0')
4306                                 return 0;
4307
4308                         state = 1;
4309                         pair->key = letter;
4310                         /* fall-thru */
4311
4312                 case 1: /* Parsing key */
4313                         if (*letter == '=') {
4314                                 *letter = '\0';
4315                                 pair->value = letter + 1;
4316                                 state = 2;
4317                         } else if (*letter == ',' || *letter == '\0')
4318                                 return -EINVAL;
4319                         break;
4320
4321
4322                 case 2: /* Parsing value */
4323                         if (*letter == '[')
4324                                 state = 3;
4325                         else if (*letter == ',') {
4326                                 *letter = '\0';
4327                                 arglist->count++;
4328                                 pair = &arglist->pairs[arglist->count];
4329                                 state = 0;
4330                         } else if (*letter == '\0') {
4331                                 letter--;
4332                                 arglist->count++;
4333                                 pair = &arglist->pairs[arglist->count];
4334                                 state = 0;
4335                         }
4336                         break;
4337
4338                 case 3: /* Parsing list */
4339                         if (*letter == ']')
4340                                 state = 2;
4341                         else if (*letter == '\0')
4342                                 return -EINVAL;
4343                         break;
4344                 }
4345                 letter++;
4346         }
4347 }
4348
4349 static int
4350 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4351         void *data)
4352 {
4353         char *str_start;
4354         int state;
4355         int result;
4356
4357         if (*str != '[')
4358                 /* Single element, not a list */
4359                 return callback(str, data);
4360
4361         /* Sanity check, then strip the brackets */
4362         str_start = &str[strlen(str) - 1];
4363         if (*str_start != ']') {
4364                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4365                 return -EINVAL;
4366         }
4367         str++;
4368         *str_start = '\0';
4369
4370         /* Process list elements */
4371         state = 0;
4372         while (1) {
4373                 if (state == 0) {
4374                         if (*str == '\0')
4375                                 break;
4376                         if (*str != ',') {
4377                                 str_start = str;
4378                                 state = 1;
4379                         }
4380                 } else if (state == 1) {
4381                         if (*str == ',' || *str == '\0') {
4382                                 if (str > str_start) {
4383                                         /* Non-empty string fragment */
4384                                         *str = '\0';
4385                                         result = callback(str_start, data);
4386                                         if (result < 0)
4387                                                 return result;
4388                                 }
4389                                 state = 0;
4390                         }
4391                 }
4392                 str++;
4393         }
4394         return 0;
4395 }
4396
4397 static int
4398 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4399         const uint16_t max_list)
4400 {
4401         uint16_t lo, hi, val;
4402         int result;
4403
4404         result = sscanf(str, "%hu-%hu", &lo, &hi);
4405         if (result == 1) {
4406                 if (*len_list >= max_list)
4407                         return -ENOMEM;
4408                 list[(*len_list)++] = lo;
4409         } else if (result == 2) {
4410                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4411                         return -EINVAL;
4412                 for (val = lo; val <= hi; val++) {
4413                         if (*len_list >= max_list)
4414                                 return -ENOMEM;
4415                         list[(*len_list)++] = val;
4416                 }
4417         } else
4418                 return -EINVAL;
4419         return 0;
4420 }
4421
4422
4423 static int
4424 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4425 {
4426         struct rte_eth_devargs *eth_da = data;
4427
4428         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4429                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4430 }
4431
4432 int __rte_experimental
4433 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4434 {
4435         struct rte_kvargs args;
4436         struct rte_kvargs_pair *pair;
4437         unsigned int i;
4438         int result = 0;
4439
4440         memset(eth_da, 0, sizeof(*eth_da));
4441
4442         result = rte_eth_devargs_tokenise(&args, dargs);
4443         if (result < 0)
4444                 goto parse_cleanup;
4445
4446         for (i = 0; i < args.count; i++) {
4447                 pair = &args.pairs[i];
4448                 if (strcmp("representor", pair->key) == 0) {
4449                         result = rte_eth_devargs_parse_list(pair->value,
4450                                 rte_eth_devargs_parse_representor_ports,
4451                                 eth_da);
4452                         if (result < 0)
4453                                 goto parse_cleanup;
4454                 }
4455         }
4456
4457 parse_cleanup:
4458         if (args.str)
4459                 free(args.str);
4460
4461         return result;
4462 }
4463
4464 RTE_INIT(ethdev_init_log)
4465 {
4466         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4467         if (rte_eth_dev_logtype >= 0)
4468                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4469 }