lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "rte_ether.h"
  41 #include "rte_ethdev.h"
  42 #include "rte_ethdev_driver.h"
  43 #include "ethdev_profile.h"
  44
  45 static int ethdev_logtype;
  46
  47 #define ethdev_log(level, fmt, ...) \
  48         rte_log(RTE_LOG_ ## level, ethdev_logtype, fmt "\n", ## __VA_ARGS__)
  49
  50 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  51 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  52 static uint16_t eth_dev_last_created_port;
  53
  54 /* spinlock for eth device callbacks */
  55 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove rx callbacks */
  58 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for add/remove tx callbacks */
  61 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* spinlock for shared data allocation */
  64 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  65
  66 /* store statistics names and its offset in stats structure  */
  67 struct rte_eth_xstats_name_off {
  68         char name[RTE_ETH_XSTATS_NAME_SIZE];
  69         unsigned offset;
  70 };
  71
  72 /* Shared memory between primary and secondary processes. */
  73 static struct {
  74         uint64_t next_owner_id;
  75         rte_spinlock_t ownership_lock;
  76         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  77 } *rte_eth_dev_shared_data;
  78
  79 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  80         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  81         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  82         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  83         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  84         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  85         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  86         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  87         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  88                 rx_nombuf)},
  89 };
  90
  91 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  92
  93 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  94         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  95         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  96         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  97 };
  98
  99 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 100                 sizeof(rte_rxq_stats_strings[0]))
 101
 102 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 103         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 104         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 105 };
 106 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 107                 sizeof(rte_txq_stats_strings[0]))
 108
 109 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 110         { DEV_RX_OFFLOAD_##_name, #_name }
 111
 112 static const struct {
 113         uint64_t offload;
 114         const char *name;
 115 } rte_rx_offload_names[] = {
 116         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 117         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 121         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 123         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 124         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 126         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 127         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 128         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 129         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 130         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 131         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161 };
 162
 163 #undef RTE_TX_OFFLOAD_BIT2STR
 164
 165 /**
 166  * The user application callback description.
 167  *
 168  * It contains callback address to be registered by user application,
 169  * the pointer to the parameters for callback, and the event type.
 170  */
 171 struct rte_eth_dev_callback {
 172         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 173         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 174         void *cb_arg;                           /**< Parameter for callback */
 175         void *ret_param;                        /**< Return parameter */
 176         enum rte_eth_event_type event;          /**< Interrupt event type */
 177         uint32_t active;                        /**< Callback is executing */
 178 };
 179
 180 enum {
 181         STAT_QMAP_TX = 0,
 182         STAT_QMAP_RX
 183 };
 184
 185 uint16_t
 186 rte_eth_find_next(uint16_t port_id)
 187 {
 188         while (port_id < RTE_MAX_ETHPORTS &&
 189                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 190                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 191                 port_id++;
 192
 193         if (port_id >= RTE_MAX_ETHPORTS)
 194                 return RTE_MAX_ETHPORTS;
 195
 196         return port_id;
 197 }
 198
 199 static void
 200 rte_eth_dev_shared_data_prepare(void)
 201 {
 202         const unsigned flags = 0;
 203         const struct rte_memzone *mz;
 204
 205         rte_spinlock_lock(&rte_eth_shared_data_lock);
 206
 207         if (rte_eth_dev_shared_data == NULL) {
 208                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 209                         /* Allocate port data and ownership shared memory. */
 210                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 211                                         sizeof(*rte_eth_dev_shared_data),
 212                                         rte_socket_id(), flags);
 213                 } else
 214                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 215                 if (mz == NULL)
 216                         rte_panic("Cannot allocate ethdev shared data\n");
 217
 218                 rte_eth_dev_shared_data = mz->addr;
 219                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 220                         rte_eth_dev_shared_data->next_owner_id =
 221                                         RTE_ETH_DEV_NO_OWNER + 1;
 222                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 223                         memset(rte_eth_dev_shared_data->data, 0,
 224                                sizeof(rte_eth_dev_shared_data->data));
 225                 }
 226         }
 227
 228         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 229 }
 230
 231 static bool
 232 is_allocated(const struct rte_eth_dev *ethdev)
 233 {
 234         return ethdev->data->name[0] != '\0';
 235 }
 236
 237 static struct rte_eth_dev *
 238 _rte_eth_dev_allocated(const char *name)
 239 {
 240         unsigned i;
 241
 242         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 243                 if (rte_eth_devices[i].data != NULL &&
 244                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 245                         return &rte_eth_devices[i];
 246         }
 247         return NULL;
 248 }
 249
 250 struct rte_eth_dev *
 251 rte_eth_dev_allocated(const char *name)
 252 {
 253         struct rte_eth_dev *ethdev;
 254
 255         rte_eth_dev_shared_data_prepare();
 256
 257         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 258
 259         ethdev = _rte_eth_dev_allocated(name);
 260
 261         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 262
 263         return ethdev;
 264 }
 265
 266 static uint16_t
 267 rte_eth_dev_find_free_port(void)
 268 {
 269         unsigned i;
 270
 271         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 272                 /* Using shared name field to find a free port. */
 273                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 274                         RTE_ASSERT(rte_eth_devices[i].state ==
 275                                    RTE_ETH_DEV_UNUSED);
 276                         return i;
 277                 }
 278         }
 279         return RTE_MAX_ETHPORTS;
 280 }
 281
 282 static struct rte_eth_dev *
 283 eth_dev_get(uint16_t port_id)
 284 {
 285         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 286
 287         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 288
 289         eth_dev_last_created_port = port_id;
 290
 291         return eth_dev;
 292 }
 293
 294 struct rte_eth_dev *
 295 rte_eth_dev_allocate(const char *name)
 296 {
 297         uint16_t port_id;
 298         struct rte_eth_dev *eth_dev = NULL;
 299
 300         rte_eth_dev_shared_data_prepare();
 301
 302         /* Synchronize port creation between primary and secondary threads. */
 303         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 304
 305         if (_rte_eth_dev_allocated(name) != NULL) {
 306                 ethdev_log(ERR, "Ethernet device with name %s already allocated",
 307                                 name);
 308                 goto unlock;
 309         }
 310
 311         port_id = rte_eth_dev_find_free_port();
 312         if (port_id == RTE_MAX_ETHPORTS) {
 313                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 314                 goto unlock;
 315         }
 316
 317         eth_dev = eth_dev_get(port_id);
 318         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 319         eth_dev->data->port_id = port_id;
 320         eth_dev->data->mtu = ETHER_MTU;
 321
 322 unlock:
 323         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 324
 325         return eth_dev;
 326 }
 327
 328 /*
 329  * Attach to a port already registered by the primary process, which
 330  * makes sure that the same device would have the same port id both
 331  * in the primary and secondary process.
 332  */
 333 struct rte_eth_dev *
 334 rte_eth_dev_attach_secondary(const char *name)
 335 {
 336         uint16_t i;
 337         struct rte_eth_dev *eth_dev = NULL;
 338
 339         rte_eth_dev_shared_data_prepare();
 340
 341         /* Synchronize port attachment to primary port creation and release. */
 342         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 343
 344         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 345                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 346                         break;
 347         }
 348         if (i == RTE_MAX_ETHPORTS) {
 349                 RTE_PMD_DEBUG_TRACE(
 350                         "device %s is not driven by the primary process\n",
 351                         name);
 352         } else {
 353                 eth_dev = eth_dev_get(i);
 354                 RTE_ASSERT(eth_dev->data->port_id == i);
 355         }
 356
 357         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 358         return eth_dev;
 359 }
 360
 361 int
 362 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 363 {
 364         if (eth_dev == NULL)
 365                 return -EINVAL;
 366
 367         rte_eth_dev_shared_data_prepare();
 368
 369         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 370
 371         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 372
 373         eth_dev->state = RTE_ETH_DEV_UNUSED;
 374
 375         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 376
 377         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 378
 379         return 0;
 380 }
 381
 382 int
 383 rte_eth_dev_is_valid_port(uint16_t port_id)
 384 {
 385         if (port_id >= RTE_MAX_ETHPORTS ||
 386             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 387                 return 0;
 388         else
 389                 return 1;
 390 }
 391
 392 static int
 393 rte_eth_is_valid_owner_id(uint64_t owner_id)
 394 {
 395         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 396             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 397                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016"PRIX64".\n", owner_id);
 398                 return 0;
 399         }
 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_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 441                 return -ENODEV;
 442         }
 443
 444         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 445             !rte_eth_is_valid_owner_id(old_owner_id))
 446                 return -EINVAL;
 447
 448         port_owner = &rte_eth_devices[port_id].data->owner;
 449         if (port_owner->id != old_owner_id) {
 450                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 451                                     " by %s_%016"PRIX64".\n", port_id,
 452                                     port_owner->name, port_owner->id);
 453                 return -EPERM;
 454         }
 455
 456         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 457                         new_owner->name);
 458         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 459                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 460                                     port_id);
 461
 462         port_owner->id = new_owner->id;
 463
 464         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016"PRIX64".\n", port_id,
 465                             new_owner->name, new_owner->id);
 466
 467         return 0;
 468 }
 469
 470 int __rte_experimental
 471 rte_eth_dev_owner_set(const uint16_t port_id,
 472                       const struct rte_eth_dev_owner *owner)
 473 {
 474         int ret;
 475
 476         rte_eth_dev_shared_data_prepare();
 477
 478         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 479
 480         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 481
 482         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 483         return ret;
 484 }
 485
 486 int __rte_experimental
 487 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 488 {
 489         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 490                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 491         int ret;
 492
 493         rte_eth_dev_shared_data_prepare();
 494
 495         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 496
 497         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 498
 499         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 500         return ret;
 501 }
 502
 503 void __rte_experimental
 504 rte_eth_dev_owner_delete(const uint64_t owner_id)
 505 {
 506         uint16_t port_id;
 507
 508         rte_eth_dev_shared_data_prepare();
 509
 510         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 511
 512         if (rte_eth_is_valid_owner_id(owner_id)) {
 513                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 514                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 515                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 516                                        sizeof(struct rte_eth_dev_owner));
 517                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64
 518                                 " identifier have removed.\n", owner_id);
 519         }
 520
 521         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 522 }
 523
 524 int __rte_experimental
 525 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 526 {
 527         int ret = 0;
 528         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 529
 530         rte_eth_dev_shared_data_prepare();
 531
 532         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 533
 534         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 535                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 536                 ret = -ENODEV;
 537         } else {
 538                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 539         }
 540
 541         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 542         return ret;
 543 }
 544
 545 int
 546 rte_eth_dev_socket_id(uint16_t port_id)
 547 {
 548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 549         return rte_eth_devices[port_id].data->numa_node;
 550 }
 551
 552 void *
 553 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 554 {
 555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 556         return rte_eth_devices[port_id].security_ctx;
 557 }
 558
 559 uint16_t
 560 rte_eth_dev_count(void)
 561 {
 562         return rte_eth_dev_count_avail();
 563 }
 564
 565 uint16_t
 566 rte_eth_dev_count_avail(void)
 567 {
 568         uint16_t p;
 569         uint16_t count;
 570
 571         count = 0;
 572
 573         RTE_ETH_FOREACH_DEV(p)
 574                 count++;
 575
 576         return count;
 577 }
 578
 579 uint16_t __rte_experimental
 580 rte_eth_dev_count_total(void)
 581 {
 582         uint16_t port, count = 0;
 583
 584         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 585                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 586                         count++;
 587
 588         return count;
 589 }
 590
 591 int
 592 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 593 {
 594         char *tmp;
 595
 596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 597
 598         if (name == NULL) {
 599                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 600                 return -EINVAL;
 601         }
 602
 603         /* shouldn't check 'rte_eth_devices[i].data',
 604          * because it might be overwritten by VDEV PMD */
 605         tmp = rte_eth_dev_shared_data->data[port_id].name;
 606         strcpy(name, tmp);
 607         return 0;
 608 }
 609
 610 int
 611 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 612 {
 613         uint32_t pid;
 614
 615         if (name == NULL) {
 616                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 617                 return -EINVAL;
 618         }
 619
 620         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 621                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 622                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 623                         *port_id = pid;
 624                         return 0;
 625                 }
 626         }
 627
 628         return -ENODEV;
 629 }
 630
 631 static int
 632 eth_err(uint16_t port_id, int ret)
 633 {
 634         if (ret == 0)
 635                 return 0;
 636         if (rte_eth_dev_is_removed(port_id))
 637                 return -EIO;
 638         return ret;
 639 }
 640
 641 /* attach the new device, then store port_id of the device */
 642 int
 643 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 644 {
 645         int current = rte_eth_dev_count_total();
 646         struct rte_devargs da;
 647         int ret = -1;
 648
 649         memset(&da, 0, sizeof(da));
 650
 651         if ((devargs == NULL) || (port_id == NULL)) {
 652                 ret = -EINVAL;
 653                 goto err;
 654         }
 655
 656         /* parse devargs */
 657         if (rte_devargs_parse(&da, "%s", devargs))
 658                 goto err;
 659
 660         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 661         if (ret < 0)
 662                 goto err;
 663
 664         /* no point looking at the port count if no port exists */
 665         if (!rte_eth_dev_count_total()) {
 666                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 667                 ret = -1;
 668                 goto err;
 669         }
 670
 671         /* if nothing happened, there is a bug here, since some driver told us
 672          * it did attach a device, but did not create a port.
 673          * FIXME: race condition in case of plug-out of another device
 674          */
 675         if (current == rte_eth_dev_count_total()) {
 676                 ret = -1;
 677                 goto err;
 678         }
 679
 680         *port_id = eth_dev_last_created_port;
 681         ret = 0;
 682
 683 err:
 684         free(da.args);
 685         return ret;
 686 }
 687
 688 /* detach the device, then store the name of the device */
 689 int
 690 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 691 {
 692         struct rte_device *dev;
 693         struct rte_bus *bus;
 694         uint32_t dev_flags;
 695         int ret = -1;
 696
 697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 698
 699         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 700         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 701                 ethdev_log(ERR,
 702                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 703                 return -ENOTSUP;
 704         }
 705
 706         dev = rte_eth_devices[port_id].device;
 707         if (dev == NULL)
 708                 return -EINVAL;
 709
 710         bus = rte_bus_find_by_device(dev);
 711         if (bus == NULL)
 712                 return -ENOENT;
 713
 714         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 715         if (ret < 0)
 716                 return ret;
 717
 718         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 719         return 0;
 720 }
 721
 722 static int
 723 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 724 {
 725         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 726         void **rxq;
 727         unsigned i;
 728
 729         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 730                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 731                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 732                                 RTE_CACHE_LINE_SIZE);
 733                 if (dev->data->rx_queues == NULL) {
 734                         dev->data->nb_rx_queues = 0;
 735                         return -(ENOMEM);
 736                 }
 737         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 738                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 739
 740                 rxq = dev->data->rx_queues;
 741
 742                 for (i = nb_queues; i < old_nb_queues; i++)
 743                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 744                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 745                                 RTE_CACHE_LINE_SIZE);
 746                 if (rxq == NULL)
 747                         return -(ENOMEM);
 748                 if (nb_queues > old_nb_queues) {
 749                         uint16_t new_qs = nb_queues - old_nb_queues;
 750
 751                         memset(rxq + old_nb_queues, 0,
 752                                 sizeof(rxq[0]) * new_qs);
 753                 }
 754
 755                 dev->data->rx_queues = rxq;
 756
 757         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 758                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 759
 760                 rxq = dev->data->rx_queues;
 761
 762                 for (i = nb_queues; i < old_nb_queues; i++)
 763                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 764
 765                 rte_free(dev->data->rx_queues);
 766                 dev->data->rx_queues = NULL;
 767         }
 768         dev->data->nb_rx_queues = nb_queues;
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 774 {
 775         struct rte_eth_dev *dev;
 776
 777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 778
 779         dev = &rte_eth_devices[port_id];
 780         if (!dev->data->dev_started) {
 781                 RTE_PMD_DEBUG_TRACE(
 782                     "port %d must be started before start any queue\n", port_id);
 783                 return -EINVAL;
 784         }
 785
 786         if (rx_queue_id >= dev->data->nb_rx_queues) {
 787                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 788                 return -EINVAL;
 789         }
 790
 791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 792
 793         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 794                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 795                         " already started\n",
 796                         rx_queue_id, port_id);
 797                 return 0;
 798         }
 799
 800         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 801                                                              rx_queue_id));
 802
 803 }
 804
 805 int
 806 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 807 {
 808         struct rte_eth_dev *dev;
 809
 810         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 811
 812         dev = &rte_eth_devices[port_id];
 813         if (rx_queue_id >= dev->data->nb_rx_queues) {
 814                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 815                 return -EINVAL;
 816         }
 817
 818         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 819
 820         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 821                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 822                         " already stopped\n",
 823                         rx_queue_id, port_id);
 824                 return 0;
 825         }
 826
 827         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 828
 829 }
 830
 831 int
 832 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 833 {
 834         struct rte_eth_dev *dev;
 835
 836         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 837
 838         dev = &rte_eth_devices[port_id];
 839         if (!dev->data->dev_started) {
 840                 RTE_PMD_DEBUG_TRACE(
 841                     "port %d must be started before start any queue\n", port_id);
 842                 return -EINVAL;
 843         }
 844
 845         if (tx_queue_id >= dev->data->nb_tx_queues) {
 846                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 847                 return -EINVAL;
 848         }
 849
 850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 851
 852         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 853                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 854                         " already started\n",
 855                         tx_queue_id, port_id);
 856                 return 0;
 857         }
 858
 859         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 860                                                              tx_queue_id));
 861
 862 }
 863
 864 int
 865 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 866 {
 867         struct rte_eth_dev *dev;
 868
 869         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 870
 871         dev = &rte_eth_devices[port_id];
 872         if (tx_queue_id >= dev->data->nb_tx_queues) {
 873                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 874                 return -EINVAL;
 875         }
 876
 877         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 878
 879         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 880                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 881                         " already stopped\n",
 882                         tx_queue_id, port_id);
 883                 return 0;
 884         }
 885
 886         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 887
 888 }
 889
 890 static int
 891 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 892 {
 893         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 894         void **txq;
 895         unsigned i;
 896
 897         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 898                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 899                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 900                                                    RTE_CACHE_LINE_SIZE);
 901                 if (dev->data->tx_queues == NULL) {
 902                         dev->data->nb_tx_queues = 0;
 903                         return -(ENOMEM);
 904                 }
 905         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 906                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 907
 908                 txq = dev->data->tx_queues;
 909
 910                 for (i = nb_queues; i < old_nb_queues; i++)
 911                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 912                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 913                                   RTE_CACHE_LINE_SIZE);
 914                 if (txq == NULL)
 915                         return -ENOMEM;
 916                 if (nb_queues > old_nb_queues) {
 917                         uint16_t new_qs = nb_queues - old_nb_queues;
 918
 919                         memset(txq + old_nb_queues, 0,
 920                                sizeof(txq[0]) * new_qs);
 921                 }
 922
 923                 dev->data->tx_queues = txq;
 924
 925         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 926                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 927
 928                 txq = dev->data->tx_queues;
 929
 930                 for (i = nb_queues; i < old_nb_queues; i++)
 931                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 932
 933                 rte_free(dev->data->tx_queues);
 934                 dev->data->tx_queues = NULL;
 935         }
 936         dev->data->nb_tx_queues = nb_queues;
 937         return 0;
 938 }
 939
 940 uint32_t
 941 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 942 {
 943         switch (speed) {
 944         case ETH_SPEED_NUM_10M:
 945                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 946         case ETH_SPEED_NUM_100M:
 947                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 948         case ETH_SPEED_NUM_1G:
 949                 return ETH_LINK_SPEED_1G;
 950         case ETH_SPEED_NUM_2_5G:
 951                 return ETH_LINK_SPEED_2_5G;
 952         case ETH_SPEED_NUM_5G:
 953                 return ETH_LINK_SPEED_5G;
 954         case ETH_SPEED_NUM_10G:
 955                 return ETH_LINK_SPEED_10G;
 956         case ETH_SPEED_NUM_20G:
 957                 return ETH_LINK_SPEED_20G;
 958         case ETH_SPEED_NUM_25G:
 959                 return ETH_LINK_SPEED_25G;
 960         case ETH_SPEED_NUM_40G:
 961                 return ETH_LINK_SPEED_40G;
 962         case ETH_SPEED_NUM_50G:
 963                 return ETH_LINK_SPEED_50G;
 964         case ETH_SPEED_NUM_56G:
 965                 return ETH_LINK_SPEED_56G;
 966         case ETH_SPEED_NUM_100G:
 967                 return ETH_LINK_SPEED_100G;
 968         default:
 969                 return 0;
 970         }
 971 }
 972
 973 /**
 974  * A conversion function from rxmode bitfield API.
 975  */
 976 static void
 977 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 978                                     uint64_t *rx_offloads)
 979 {
 980         uint64_t offloads = 0;
 981
 982         if (rxmode->header_split == 1)
 983                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 984         if (rxmode->hw_ip_checksum == 1)
 985                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 986         if (rxmode->hw_vlan_filter == 1)
 987                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 988         if (rxmode->hw_vlan_strip == 1)
 989                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 990         if (rxmode->hw_vlan_extend == 1)
 991                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 992         if (rxmode->jumbo_frame == 1)
 993                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 994         if (rxmode->hw_strip_crc == 1)
 995                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 996         if (rxmode->enable_scatter == 1)
 997                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 998         if (rxmode->enable_lro == 1)
 999                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1000         if (rxmode->hw_timestamp == 1)
1001                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1002         if (rxmode->security == 1)
1003                 offloads |= DEV_RX_OFFLOAD_SECURITY;
1004
1005         *rx_offloads = offloads;
1006 }
1007
1008 const char * __rte_experimental
1009 rte_eth_dev_rx_offload_name(uint64_t offload)
1010 {
1011         const char *name = "UNKNOWN";
1012         unsigned int i;
1013
1014         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1015                 if (offload == rte_rx_offload_names[i].offload) {
1016                         name = rte_rx_offload_names[i].name;
1017                         break;
1018                 }
1019         }
1020
1021         return name;
1022 }
1023
1024 const char * __rte_experimental
1025 rte_eth_dev_tx_offload_name(uint64_t offload)
1026 {
1027         const char *name = "UNKNOWN";
1028         unsigned int i;
1029
1030         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1031                 if (offload == rte_tx_offload_names[i].offload) {
1032                         name = rte_tx_offload_names[i].name;
1033                         break;
1034                 }
1035         }
1036
1037         return name;
1038 }
1039
1040 int
1041 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1042                       const struct rte_eth_conf *dev_conf)
1043 {
1044         struct rte_eth_dev *dev;
1045         struct rte_eth_dev_info dev_info;
1046         struct rte_eth_conf local_conf = *dev_conf;
1047         int diag;
1048
1049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1050
1051         dev = &rte_eth_devices[port_id];
1052
1053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1054         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1055
1056         rte_eth_dev_info_get(port_id, &dev_info);
1057
1058         /* If number of queues specified by application for both Rx and Tx is
1059          * zero, use driver preferred values. This cannot be done individually
1060          * as it is valid for either Tx or Rx (but not both) to be zero.
1061          * If driver does not provide any preferred valued, fall back on
1062          * EAL defaults.
1063          */
1064         if (nb_rx_q == 0 && nb_tx_q == 0) {
1065                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1066                 if (nb_rx_q == 0)
1067                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1068                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1069                 if (nb_tx_q == 0)
1070                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1071         }
1072
1073         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1074                 RTE_PMD_DEBUG_TRACE(
1075                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1076                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1077                 return -EINVAL;
1078         }
1079
1080         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1081                 RTE_PMD_DEBUG_TRACE(
1082                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1083                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1084                 return -EINVAL;
1085         }
1086
1087         if (dev->data->dev_started) {
1088                 RTE_PMD_DEBUG_TRACE(
1089                     "port %d must be stopped to allow configuration\n", port_id);
1090                 return -EBUSY;
1091         }
1092
1093         /*
1094          * Convert between the offloads API to enable PMDs to support
1095          * only one of them.
1096          */
1097         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1098                 rte_eth_convert_rx_offload_bitfield(
1099                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1100
1101         /* Copy the dev_conf parameter into the dev structure */
1102         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1103
1104         /*
1105          * Check that the numbers of RX and TX queues are not greater
1106          * than the maximum number of RX and TX queues supported by the
1107          * configured device.
1108          */
1109         if (nb_rx_q > dev_info.max_rx_queues) {
1110                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1111                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1112                 return -EINVAL;
1113         }
1114
1115         if (nb_tx_q > dev_info.max_tx_queues) {
1116                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1117                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1118                 return -EINVAL;
1119         }
1120
1121         /* Check that the device supports requested interrupts */
1122         if ((dev_conf->intr_conf.lsc == 1) &&
1123                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1124                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1125                                         dev->device->driver->name);
1126                         return -EINVAL;
1127         }
1128         if ((dev_conf->intr_conf.rmv == 1) &&
1129             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1130                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1131                                     dev->device->driver->name);
1132                 return -EINVAL;
1133         }
1134
1135         /*
1136          * If jumbo frames are enabled, check that the maximum RX packet
1137          * length is supported by the configured device.
1138          */
1139         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1140                 if (dev_conf->rxmode.max_rx_pkt_len >
1141                     dev_info.max_rx_pktlen) {
1142                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1143                                 " > max valid value %u\n",
1144                                 port_id,
1145                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1146                                 (unsigned)dev_info.max_rx_pktlen);
1147                         return -EINVAL;
1148                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1149                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1150                                 " < min valid value %u\n",
1151                                 port_id,
1152                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1153                                 (unsigned)ETHER_MIN_LEN);
1154                         return -EINVAL;
1155                 }
1156         } else {
1157                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1158                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1159                         /* Use default value */
1160                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1161                                                         ETHER_MAX_LEN;
1162         }
1163
1164         /* Any requested offloading must be within its device capabilities */
1165         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1166              local_conf.rxmode.offloads) {
1167                 ethdev_log(ERR, "ethdev port_id=%d requested Rx offloads "
1168                                 "0x%" PRIx64 " doesn't match Rx offloads "
1169                                 "capabilities 0x%" PRIx64 " in %s()\n",
1170                                 port_id,
1171                                 local_conf.rxmode.offloads,
1172                                 dev_info.rx_offload_capa,
1173                                 __func__);
1174                 /* Will return -EINVAL in the next release */
1175         }
1176         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1177              local_conf.txmode.offloads) {
1178                 ethdev_log(ERR, "ethdev port_id=%d requested Tx offloads "
1179                                 "0x%" PRIx64 " doesn't match Tx offloads "
1180                                 "capabilities 0x%" PRIx64 " in %s()\n",
1181                                 port_id,
1182                                 local_conf.txmode.offloads,
1183                                 dev_info.tx_offload_capa,
1184                                 __func__);
1185                 /* Will return -EINVAL in the next release */
1186         }
1187
1188         /* Check that device supports requested rss hash functions. */
1189         if ((dev_info.flow_type_rss_offloads |
1190              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1191             dev_info.flow_type_rss_offloads) {
1192                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1193                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1194                                     port_id,
1195                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1196                                     dev_info.flow_type_rss_offloads);
1197         }
1198
1199         /*
1200          * Setup new number of RX/TX queues and reconfigure device.
1201          */
1202         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1203         if (diag != 0) {
1204                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1205                                 port_id, diag);
1206                 return diag;
1207         }
1208
1209         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1210         if (diag != 0) {
1211                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1212                                 port_id, diag);
1213                 rte_eth_dev_rx_queue_config(dev, 0);
1214                 return diag;
1215         }
1216
1217         diag = (*dev->dev_ops->dev_configure)(dev);
1218         if (diag != 0) {
1219                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1220                                 port_id, diag);
1221                 rte_eth_dev_rx_queue_config(dev, 0);
1222                 rte_eth_dev_tx_queue_config(dev, 0);
1223                 return eth_err(port_id, diag);
1224         }
1225
1226         /* Initialize Rx profiling if enabled at compilation time. */
1227         diag = __rte_eth_profile_rx_init(port_id, dev);
1228         if (diag != 0) {
1229                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1230                                 port_id, diag);
1231                 rte_eth_dev_rx_queue_config(dev, 0);
1232                 rte_eth_dev_tx_queue_config(dev, 0);
1233                 return eth_err(port_id, diag);
1234         }
1235
1236         return 0;
1237 }
1238
1239 void
1240 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1241 {
1242         if (dev->data->dev_started) {
1243                 RTE_PMD_DEBUG_TRACE(
1244                         "port %d must be stopped to allow reset\n",
1245                         dev->data->port_id);
1246                 return;
1247         }
1248
1249         rte_eth_dev_rx_queue_config(dev, 0);
1250         rte_eth_dev_tx_queue_config(dev, 0);
1251
1252         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1253 }
1254
1255 static void
1256 rte_eth_dev_config_restore(uint16_t port_id)
1257 {
1258         struct rte_eth_dev *dev;
1259         struct rte_eth_dev_info dev_info;
1260         struct ether_addr *addr;
1261         uint16_t i;
1262         uint32_t pool = 0;
1263         uint64_t pool_mask;
1264
1265         dev = &rte_eth_devices[port_id];
1266
1267         rte_eth_dev_info_get(port_id, &dev_info);
1268
1269         /* replay MAC address configuration including default MAC */
1270         addr = &dev->data->mac_addrs[0];
1271         if (*dev->dev_ops->mac_addr_set != NULL)
1272                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1273         else if (*dev->dev_ops->mac_addr_add != NULL)
1274                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1275
1276         if (*dev->dev_ops->mac_addr_add != NULL) {
1277                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1278                         addr = &dev->data->mac_addrs[i];
1279
1280                         /* skip zero address */
1281                         if (is_zero_ether_addr(addr))
1282                                 continue;
1283
1284                         pool = 0;
1285                         pool_mask = dev->data->mac_pool_sel[i];
1286
1287                         do {
1288                                 if (pool_mask & 1ULL)
1289                                         (*dev->dev_ops->mac_addr_add)(dev,
1290                                                 addr, i, pool);
1291                                 pool_mask >>= 1;
1292                                 pool++;
1293                         } while (pool_mask);
1294                 }
1295         }
1296
1297         /* replay promiscuous configuration */
1298         if (rte_eth_promiscuous_get(port_id) == 1)
1299                 rte_eth_promiscuous_enable(port_id);
1300         else if (rte_eth_promiscuous_get(port_id) == 0)
1301                 rte_eth_promiscuous_disable(port_id);
1302
1303         /* replay all multicast configuration */
1304         if (rte_eth_allmulticast_get(port_id) == 1)
1305                 rte_eth_allmulticast_enable(port_id);
1306         else if (rte_eth_allmulticast_get(port_id) == 0)
1307                 rte_eth_allmulticast_disable(port_id);
1308 }
1309
1310 int
1311 rte_eth_dev_start(uint16_t port_id)
1312 {
1313         struct rte_eth_dev *dev;
1314         int diag;
1315
1316         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1317
1318         dev = &rte_eth_devices[port_id];
1319
1320         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1321
1322         if (dev->data->dev_started != 0) {
1323                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1324                         " already started\n",
1325                         port_id);
1326                 return 0;
1327         }
1328
1329         diag = (*dev->dev_ops->dev_start)(dev);
1330         if (diag == 0)
1331                 dev->data->dev_started = 1;
1332         else
1333                 return eth_err(port_id, diag);
1334
1335         rte_eth_dev_config_restore(port_id);
1336
1337         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1338                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1339                 (*dev->dev_ops->link_update)(dev, 0);
1340         }
1341         return 0;
1342 }
1343
1344 void
1345 rte_eth_dev_stop(uint16_t port_id)
1346 {
1347         struct rte_eth_dev *dev;
1348
1349         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1350         dev = &rte_eth_devices[port_id];
1351
1352         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1353
1354         if (dev->data->dev_started == 0) {
1355                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1356                         " already stopped\n",
1357                         port_id);
1358                 return;
1359         }
1360
1361         dev->data->dev_started = 0;
1362         (*dev->dev_ops->dev_stop)(dev);
1363 }
1364
1365 int
1366 rte_eth_dev_set_link_up(uint16_t port_id)
1367 {
1368         struct rte_eth_dev *dev;
1369
1370         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1371
1372         dev = &rte_eth_devices[port_id];
1373
1374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1375         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1376 }
1377
1378 int
1379 rte_eth_dev_set_link_down(uint16_t port_id)
1380 {
1381         struct rte_eth_dev *dev;
1382
1383         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1384
1385         dev = &rte_eth_devices[port_id];
1386
1387         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1388         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1389 }
1390
1391 void
1392 rte_eth_dev_close(uint16_t port_id)
1393 {
1394         struct rte_eth_dev *dev;
1395
1396         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1397         dev = &rte_eth_devices[port_id];
1398
1399         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1400         dev->data->dev_started = 0;
1401         (*dev->dev_ops->dev_close)(dev);
1402
1403         dev->data->nb_rx_queues = 0;
1404         rte_free(dev->data->rx_queues);
1405         dev->data->rx_queues = NULL;
1406         dev->data->nb_tx_queues = 0;
1407         rte_free(dev->data->tx_queues);
1408         dev->data->tx_queues = NULL;
1409 }
1410
1411 int
1412 rte_eth_dev_reset(uint16_t port_id)
1413 {
1414         struct rte_eth_dev *dev;
1415         int ret;
1416
1417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1418         dev = &rte_eth_devices[port_id];
1419
1420         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1421
1422         rte_eth_dev_stop(port_id);
1423         ret = dev->dev_ops->dev_reset(dev);
1424
1425         return eth_err(port_id, ret);
1426 }
1427
1428 int __rte_experimental
1429 rte_eth_dev_is_removed(uint16_t port_id)
1430 {
1431         struct rte_eth_dev *dev;
1432         int ret;
1433
1434         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1435
1436         dev = &rte_eth_devices[port_id];
1437
1438         if (dev->state == RTE_ETH_DEV_REMOVED)
1439                 return 1;
1440
1441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1442
1443         ret = dev->dev_ops->is_removed(dev);
1444         if (ret != 0)
1445                 /* Device is physically removed. */
1446                 dev->state = RTE_ETH_DEV_REMOVED;
1447
1448         return ret;
1449 }
1450
1451 int
1452 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1453                        uint16_t nb_rx_desc, unsigned int socket_id,
1454                        const struct rte_eth_rxconf *rx_conf,
1455                        struct rte_mempool *mp)
1456 {
1457         int ret;
1458         uint32_t mbp_buf_size;
1459         struct rte_eth_dev *dev;
1460         struct rte_eth_dev_info dev_info;
1461         struct rte_eth_rxconf local_conf;
1462         void **rxq;
1463
1464         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1465
1466         dev = &rte_eth_devices[port_id];
1467         if (rx_queue_id >= dev->data->nb_rx_queues) {
1468                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1469                 return -EINVAL;
1470         }
1471
1472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1474
1475         /*
1476          * Check the size of the mbuf data buffer.
1477          * This value must be provided in the private data of the memory pool.
1478          * First check that the memory pool has a valid private data.
1479          */
1480         rte_eth_dev_info_get(port_id, &dev_info);
1481         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1482                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1483                                 mp->name, (int) mp->private_data_size,
1484                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1485                 return -ENOSPC;
1486         }
1487         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1488
1489         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1490                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1491                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1492                                 "=%d)\n",
1493                                 mp->name,
1494                                 (int)mbp_buf_size,
1495                                 (int)(RTE_PKTMBUF_HEADROOM +
1496                                       dev_info.min_rx_bufsize),
1497                                 (int)RTE_PKTMBUF_HEADROOM,
1498                                 (int)dev_info.min_rx_bufsize);
1499                 return -EINVAL;
1500         }
1501
1502         /* Use default specified by driver, if nb_rx_desc is zero */
1503         if (nb_rx_desc == 0) {
1504                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1505                 /* If driver default is also zero, fall back on EAL default */
1506                 if (nb_rx_desc == 0)
1507                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1508         }
1509
1510         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1511                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1512                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1513
1514                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1515                         "should be: <= %hu, = %hu, and a product of %hu\n",
1516                         nb_rx_desc,
1517                         dev_info.rx_desc_lim.nb_max,
1518                         dev_info.rx_desc_lim.nb_min,
1519                         dev_info.rx_desc_lim.nb_align);
1520                 return -EINVAL;
1521         }
1522
1523         if (dev->data->dev_started &&
1524                 !(dev_info.dev_capa &
1525                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1526                 return -EBUSY;
1527
1528         if (dev->data->dev_started &&
1529                 (dev->data->rx_queue_state[rx_queue_id] !=
1530                         RTE_ETH_QUEUE_STATE_STOPPED))
1531                 return -EBUSY;
1532
1533         rxq = dev->data->rx_queues;
1534         if (rxq[rx_queue_id]) {
1535                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1536                                         -ENOTSUP);
1537                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1538                 rxq[rx_queue_id] = NULL;
1539         }
1540
1541         if (rx_conf == NULL)
1542                 rx_conf = &dev_info.default_rxconf;
1543
1544         local_conf = *rx_conf;
1545         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1546                 /**
1547                  * Reflect port offloads to queue offloads in order for
1548                  * offloads to not be discarded.
1549                  */
1550                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1551                                                     &local_conf.offloads);
1552         }
1553
1554         /*
1555          * If an offloading has already been enabled in
1556          * rte_eth_dev_configure(), it has been enabled on all queues,
1557          * so there is no need to enable it in this queue again.
1558          * The local_conf.offloads input to underlying PMD only carries
1559          * those offloadings which are only enabled on this queue and
1560          * not enabled on all queues.
1561          */
1562         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1563
1564         /*
1565          * New added offloadings for this queue are those not enabled in
1566          * rte_eth_dev_configure() and they must be per-queue type.
1567          * A pure per-port offloading can't be enabled on a queue while
1568          * disabled on another queue. A pure per-port offloading can't
1569          * be enabled for any queue as new added one if it hasn't been
1570          * enabled in rte_eth_dev_configure().
1571          */
1572         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1573              local_conf.offloads) {
1574                 ethdev_log(ERR, "Ethdev port_id=%d rx_queue_id=%d, new "
1575                                 "added offloads 0x%" PRIx64 " must be "
1576                                 "within pre-queue offload capabilities 0x%"
1577                                 PRIx64 " in %s()\n",
1578                                 port_id,
1579                                 rx_queue_id,
1580                                 local_conf.offloads,
1581                                 dev_info.rx_queue_offload_capa,
1582                                 __func__);
1583                 /* Will return -EINVAL in the next release */
1584         }
1585
1586         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1587                                               socket_id, &local_conf, mp);
1588         if (!ret) {
1589                 if (!dev->data->min_rx_buf_size ||
1590                     dev->data->min_rx_buf_size > mbp_buf_size)
1591                         dev->data->min_rx_buf_size = mbp_buf_size;
1592         }
1593
1594         return eth_err(port_id, ret);
1595 }
1596
1597 /**
1598  * Convert from tx offloads to txq_flags.
1599  */
1600 static void
1601 rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t *txq_flags)
1602 {
1603         uint32_t flags = 0;
1604
1605         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1606                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1607         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1608                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1609         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1610                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1611         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1612                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1613         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1614                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1615         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1616                 flags |= ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP;
1617
1618         *txq_flags = flags;
1619 }
1620
1621 /**
1622  * A conversion function from txq_flags API.
1623  */
1624 static void
1625 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1626 {
1627         uint64_t offloads = 0;
1628
1629         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1630                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1631         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1632                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1633         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1634                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1635         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1636                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1637         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1638                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1639         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1640             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1641                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1642
1643         *tx_offloads = offloads;
1644 }
1645
1646 int
1647 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1648                        uint16_t nb_tx_desc, unsigned int socket_id,
1649                        const struct rte_eth_txconf *tx_conf)
1650 {
1651         struct rte_eth_dev *dev;
1652         struct rte_eth_dev_info dev_info;
1653         struct rte_eth_txconf local_conf;
1654         void **txq;
1655
1656         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1657
1658         dev = &rte_eth_devices[port_id];
1659         if (tx_queue_id >= dev->data->nb_tx_queues) {
1660                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1661                 return -EINVAL;
1662         }
1663
1664         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1665         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1666
1667         rte_eth_dev_info_get(port_id, &dev_info);
1668
1669         /* Use default specified by driver, if nb_tx_desc is zero */
1670         if (nb_tx_desc == 0) {
1671                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1672                 /* If driver default is zero, fall back on EAL default */
1673                 if (nb_tx_desc == 0)
1674                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1675         }
1676         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1677             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1678             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1679                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1680                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1681                                 nb_tx_desc,
1682                                 dev_info.tx_desc_lim.nb_max,
1683                                 dev_info.tx_desc_lim.nb_min,
1684                                 dev_info.tx_desc_lim.nb_align);
1685                 return -EINVAL;
1686         }
1687
1688         if (dev->data->dev_started &&
1689                 !(dev_info.dev_capa &
1690                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1691                 return -EBUSY;
1692
1693         if (dev->data->dev_started &&
1694                 (dev->data->tx_queue_state[tx_queue_id] !=
1695                         RTE_ETH_QUEUE_STATE_STOPPED))
1696                 return -EBUSY;
1697
1698         txq = dev->data->tx_queues;
1699         if (txq[tx_queue_id]) {
1700                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1701                                         -ENOTSUP);
1702                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1703                 txq[tx_queue_id] = NULL;
1704         }
1705
1706         if (tx_conf == NULL)
1707                 tx_conf = &dev_info.default_txconf;
1708
1709         /*
1710          * Convert between the offloads API to enable PMDs to support
1711          * only one of them.
1712          */
1713         local_conf = *tx_conf;
1714         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1715                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1716                                           &local_conf.offloads);
1717         }
1718
1719         /*
1720          * If an offloading has already been enabled in
1721          * rte_eth_dev_configure(), it has been enabled on all queues,
1722          * so there is no need to enable it in this queue again.
1723          * The local_conf.offloads input to underlying PMD only carries
1724          * those offloadings which are only enabled on this queue and
1725          * not enabled on all queues.
1726          */
1727         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1728
1729         /*
1730          * New added offloadings for this queue are those not enabled in
1731          * rte_eth_dev_configure() and they must be per-queue type.
1732          * A pure per-port offloading can't be enabled on a queue while
1733          * disabled on another queue. A pure per-port offloading can't
1734          * be enabled for any queue as new added one if it hasn't been
1735          * enabled in rte_eth_dev_configure().
1736          */
1737         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1738              local_conf.offloads) {
1739                 ethdev_log(ERR, "Ethdev port_id=%d tx_queue_id=%d, new "
1740                                 "added offloads 0x%" PRIx64 " must be "
1741                                 "within pre-queue offload capabilities 0x%"
1742                                 PRIx64 " in %s()\n",
1743                                 port_id,
1744                                 tx_queue_id,
1745                                 local_conf.offloads,
1746                                 dev_info.tx_queue_offload_capa,
1747                                 __func__);
1748                 /* Will return -EINVAL in the next release */
1749         }
1750
1751         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1752                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1753 }
1754
1755 void
1756 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1757                 void *userdata __rte_unused)
1758 {
1759         unsigned i;
1760
1761         for (i = 0; i < unsent; i++)
1762                 rte_pktmbuf_free(pkts[i]);
1763 }
1764
1765 void
1766 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1767                 void *userdata)
1768 {
1769         uint64_t *count = userdata;
1770         unsigned i;
1771
1772         for (i = 0; i < unsent; i++)
1773                 rte_pktmbuf_free(pkts[i]);
1774
1775         *count += unsent;
1776 }
1777
1778 int
1779 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1780                 buffer_tx_error_fn cbfn, void *userdata)
1781 {
1782         buffer->error_callback = cbfn;
1783         buffer->error_userdata = userdata;
1784         return 0;
1785 }
1786
1787 int
1788 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1789 {
1790         int ret = 0;
1791
1792         if (buffer == NULL)
1793                 return -EINVAL;
1794
1795         buffer->size = size;
1796         if (buffer->error_callback == NULL) {
1797                 ret = rte_eth_tx_buffer_set_err_callback(
1798                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1799         }
1800
1801         return ret;
1802 }
1803
1804 int
1805 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1806 {
1807         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1808         int ret;
1809
1810         /* Validate Input Data. Bail if not valid or not supported. */
1811         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1812         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1813
1814         /* Call driver to free pending mbufs. */
1815         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1816                                                free_cnt);
1817         return eth_err(port_id, ret);
1818 }
1819
1820 void
1821 rte_eth_promiscuous_enable(uint16_t port_id)
1822 {
1823         struct rte_eth_dev *dev;
1824
1825         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1826         dev = &rte_eth_devices[port_id];
1827
1828         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1829         (*dev->dev_ops->promiscuous_enable)(dev);
1830         dev->data->promiscuous = 1;
1831 }
1832
1833 void
1834 rte_eth_promiscuous_disable(uint16_t port_id)
1835 {
1836         struct rte_eth_dev *dev;
1837
1838         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1839         dev = &rte_eth_devices[port_id];
1840
1841         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1842         dev->data->promiscuous = 0;
1843         (*dev->dev_ops->promiscuous_disable)(dev);
1844 }
1845
1846 int
1847 rte_eth_promiscuous_get(uint16_t port_id)
1848 {
1849         struct rte_eth_dev *dev;
1850
1851         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1852
1853         dev = &rte_eth_devices[port_id];
1854         return dev->data->promiscuous;
1855 }
1856
1857 void
1858 rte_eth_allmulticast_enable(uint16_t port_id)
1859 {
1860         struct rte_eth_dev *dev;
1861
1862         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1863         dev = &rte_eth_devices[port_id];
1864
1865         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1866         (*dev->dev_ops->allmulticast_enable)(dev);
1867         dev->data->all_multicast = 1;
1868 }
1869
1870 void
1871 rte_eth_allmulticast_disable(uint16_t port_id)
1872 {
1873         struct rte_eth_dev *dev;
1874
1875         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1876         dev = &rte_eth_devices[port_id];
1877
1878         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1879         dev->data->all_multicast = 0;
1880         (*dev->dev_ops->allmulticast_disable)(dev);
1881 }
1882
1883 int
1884 rte_eth_allmulticast_get(uint16_t port_id)
1885 {
1886         struct rte_eth_dev *dev;
1887
1888         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1889
1890         dev = &rte_eth_devices[port_id];
1891         return dev->data->all_multicast;
1892 }
1893
1894 void
1895 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1896 {
1897         struct rte_eth_dev *dev;
1898
1899         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1900         dev = &rte_eth_devices[port_id];
1901
1902         if (dev->data->dev_conf.intr_conf.lsc &&
1903             dev->data->dev_started)
1904                 rte_eth_linkstatus_get(dev, eth_link);
1905         else {
1906                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1907                 (*dev->dev_ops->link_update)(dev, 1);
1908                 *eth_link = dev->data->dev_link;
1909         }
1910 }
1911
1912 void
1913 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1914 {
1915         struct rte_eth_dev *dev;
1916
1917         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1918         dev = &rte_eth_devices[port_id];
1919
1920         if (dev->data->dev_conf.intr_conf.lsc &&
1921             dev->data->dev_started)
1922                 rte_eth_linkstatus_get(dev, eth_link);
1923         else {
1924                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1925                 (*dev->dev_ops->link_update)(dev, 0);
1926                 *eth_link = dev->data->dev_link;
1927         }
1928 }
1929
1930 int
1931 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1932 {
1933         struct rte_eth_dev *dev;
1934
1935         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1936
1937         dev = &rte_eth_devices[port_id];
1938         memset(stats, 0, sizeof(*stats));
1939
1940         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1941         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1942         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1943 }
1944
1945 int
1946 rte_eth_stats_reset(uint16_t port_id)
1947 {
1948         struct rte_eth_dev *dev;
1949
1950         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1951         dev = &rte_eth_devices[port_id];
1952
1953         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1954         (*dev->dev_ops->stats_reset)(dev);
1955         dev->data->rx_mbuf_alloc_failed = 0;
1956
1957         return 0;
1958 }
1959
1960 static inline int
1961 get_xstats_basic_count(struct rte_eth_dev *dev)
1962 {
1963         uint16_t nb_rxqs, nb_txqs;
1964         int count;
1965
1966         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1967         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1968
1969         count = RTE_NB_STATS;
1970         count += nb_rxqs * RTE_NB_RXQ_STATS;
1971         count += nb_txqs * RTE_NB_TXQ_STATS;
1972
1973         return count;
1974 }
1975
1976 static int
1977 get_xstats_count(uint16_t port_id)
1978 {
1979         struct rte_eth_dev *dev;
1980         int count;
1981
1982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1983         dev = &rte_eth_devices[port_id];
1984         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1985                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1986                                 NULL, 0);
1987                 if (count < 0)
1988                         return eth_err(port_id, count);
1989         }
1990         if (dev->dev_ops->xstats_get_names != NULL) {
1991                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1992                 if (count < 0)
1993                         return eth_err(port_id, count);
1994         } else
1995                 count = 0;
1996
1997
1998         count += get_xstats_basic_count(dev);
1999
2000         return count;
2001 }
2002
2003 int
2004 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2005                 uint64_t *id)
2006 {
2007         int cnt_xstats, idx_xstat;
2008
2009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2010
2011         if (!id) {
2012                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
2013                 return -ENOMEM;
2014         }
2015
2016         if (!xstat_name) {
2017                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
2018                 return -ENOMEM;
2019         }
2020
2021         /* Get count */
2022         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2023         if (cnt_xstats  < 0) {
2024                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
2025                 return -ENODEV;
2026         }
2027
2028         /* Get id-name lookup table */
2029         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2030
2031         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2032                         port_id, xstats_names, cnt_xstats, NULL)) {
2033                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
2034                 return -1;
2035         }
2036
2037         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2038                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2039                         *id = idx_xstat;
2040                         return 0;
2041                 };
2042         }
2043
2044         return -EINVAL;
2045 }
2046
2047 /* retrieve basic stats names */
2048 static int
2049 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2050         struct rte_eth_xstat_name *xstats_names)
2051 {
2052         int cnt_used_entries = 0;
2053         uint32_t idx, id_queue;
2054         uint16_t num_q;
2055
2056         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2057                 snprintf(xstats_names[cnt_used_entries].name,
2058                         sizeof(xstats_names[0].name),
2059                         "%s", rte_stats_strings[idx].name);
2060                 cnt_used_entries++;
2061         }
2062         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2063         for (id_queue = 0; id_queue < num_q; id_queue++) {
2064                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2065                         snprintf(xstats_names[cnt_used_entries].name,
2066                                 sizeof(xstats_names[0].name),
2067                                 "rx_q%u%s",
2068                                 id_queue, rte_rxq_stats_strings[idx].name);
2069                         cnt_used_entries++;
2070                 }
2071
2072         }
2073         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2074         for (id_queue = 0; id_queue < num_q; id_queue++) {
2075                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2076                         snprintf(xstats_names[cnt_used_entries].name,
2077                                 sizeof(xstats_names[0].name),
2078                                 "tx_q%u%s",
2079                                 id_queue, rte_txq_stats_strings[idx].name);
2080                         cnt_used_entries++;
2081                 }
2082         }
2083         return cnt_used_entries;
2084 }
2085
2086 /* retrieve ethdev extended statistics names */
2087 int
2088 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2089         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2090         uint64_t *ids)
2091 {
2092         struct rte_eth_xstat_name *xstats_names_copy;
2093         unsigned int no_basic_stat_requested = 1;
2094         unsigned int no_ext_stat_requested = 1;
2095         unsigned int expected_entries;
2096         unsigned int basic_count;
2097         struct rte_eth_dev *dev;
2098         unsigned int i;
2099         int ret;
2100
2101         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2102         dev = &rte_eth_devices[port_id];
2103
2104         basic_count = get_xstats_basic_count(dev);
2105         ret = get_xstats_count(port_id);
2106         if (ret < 0)
2107                 return ret;
2108         expected_entries = (unsigned int)ret;
2109
2110         /* Return max number of stats if no ids given */
2111         if (!ids) {
2112                 if (!xstats_names)
2113                         return expected_entries;
2114                 else if (xstats_names && size < expected_entries)
2115                         return expected_entries;
2116         }
2117
2118         if (ids && !xstats_names)
2119                 return -EINVAL;
2120
2121         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2122                 uint64_t ids_copy[size];
2123
2124                 for (i = 0; i < size; i++) {
2125                         if (ids[i] < basic_count) {
2126                                 no_basic_stat_requested = 0;
2127                                 break;
2128                         }
2129
2130                         /*
2131                          * Convert ids to xstats ids that PMD knows.
2132                          * ids known by user are basic + extended stats.
2133                          */
2134                         ids_copy[i] = ids[i] - basic_count;
2135                 }
2136
2137                 if (no_basic_stat_requested)
2138                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2139                                         xstats_names, ids_copy, size);
2140         }
2141
2142         /* Retrieve all stats */
2143         if (!ids) {
2144                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2145                                 expected_entries);
2146                 if (num_stats < 0 || num_stats > (int)expected_entries)
2147                         return num_stats;
2148                 else
2149                         return expected_entries;
2150         }
2151
2152         xstats_names_copy = calloc(expected_entries,
2153                 sizeof(struct rte_eth_xstat_name));
2154
2155         if (!xstats_names_copy) {
2156                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2157                 return -ENOMEM;
2158         }
2159
2160         if (ids) {
2161                 for (i = 0; i < size; i++) {
2162                         if (ids[i] >= basic_count) {
2163                                 no_ext_stat_requested = 0;
2164                                 break;
2165                         }
2166                 }
2167         }
2168
2169         /* Fill xstats_names_copy structure */
2170         if (ids && no_ext_stat_requested) {
2171                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2172         } else {
2173                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2174                         expected_entries);
2175                 if (ret < 0) {
2176                         free(xstats_names_copy);
2177                         return ret;
2178                 }
2179         }
2180
2181         /* Filter stats */
2182         for (i = 0; i < size; i++) {
2183                 if (ids[i] >= expected_entries) {
2184                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2185                         free(xstats_names_copy);
2186                         return -1;
2187                 }
2188                 xstats_names[i] = xstats_names_copy[ids[i]];
2189         }
2190
2191         free(xstats_names_copy);
2192         return size;
2193 }
2194
2195 int
2196 rte_eth_xstats_get_names(uint16_t port_id,
2197         struct rte_eth_xstat_name *xstats_names,
2198         unsigned int size)
2199 {
2200         struct rte_eth_dev *dev;
2201         int cnt_used_entries;
2202         int cnt_expected_entries;
2203         int cnt_driver_entries;
2204
2205         cnt_expected_entries = get_xstats_count(port_id);
2206         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2207                         (int)size < cnt_expected_entries)
2208                 return cnt_expected_entries;
2209
2210         /* port_id checked in get_xstats_count() */
2211         dev = &rte_eth_devices[port_id];
2212
2213         cnt_used_entries = rte_eth_basic_stats_get_names(
2214                 dev, xstats_names);
2215
2216         if (dev->dev_ops->xstats_get_names != NULL) {
2217                 /* If there are any driver-specific xstats, append them
2218                  * to end of list.
2219                  */
2220                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2221                         dev,
2222                         xstats_names + cnt_used_entries,
2223                         size - cnt_used_entries);
2224                 if (cnt_driver_entries < 0)
2225                         return eth_err(port_id, cnt_driver_entries);
2226                 cnt_used_entries += cnt_driver_entries;
2227         }
2228
2229         return cnt_used_entries;
2230 }
2231
2232
2233 static int
2234 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2235 {
2236         struct rte_eth_dev *dev;
2237         struct rte_eth_stats eth_stats;
2238         unsigned int count = 0, i, q;
2239         uint64_t val, *stats_ptr;
2240         uint16_t nb_rxqs, nb_txqs;
2241         int ret;
2242
2243         ret = rte_eth_stats_get(port_id, &eth_stats);
2244         if (ret < 0)
2245                 return ret;
2246
2247         dev = &rte_eth_devices[port_id];
2248
2249         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2250         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2251
2252         /* global stats */
2253         for (i = 0; i < RTE_NB_STATS; i++) {
2254                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2255                                         rte_stats_strings[i].offset);
2256                 val = *stats_ptr;
2257                 xstats[count++].value = val;
2258         }
2259
2260         /* per-rxq stats */
2261         for (q = 0; q < nb_rxqs; q++) {
2262                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2263                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2264                                         rte_rxq_stats_strings[i].offset +
2265                                         q * sizeof(uint64_t));
2266                         val = *stats_ptr;
2267                         xstats[count++].value = val;
2268                 }
2269         }
2270
2271         /* per-txq stats */
2272         for (q = 0; q < nb_txqs; q++) {
2273                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2274                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2275                                         rte_txq_stats_strings[i].offset +
2276                                         q * sizeof(uint64_t));
2277                         val = *stats_ptr;
2278                         xstats[count++].value = val;
2279                 }
2280         }
2281         return count;
2282 }
2283
2284 /* retrieve ethdev extended statistics */
2285 int
2286 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2287                          uint64_t *values, unsigned int size)
2288 {
2289         unsigned int no_basic_stat_requested = 1;
2290         unsigned int no_ext_stat_requested = 1;
2291         unsigned int num_xstats_filled;
2292         unsigned int basic_count;
2293         uint16_t expected_entries;
2294         struct rte_eth_dev *dev;
2295         unsigned int i;
2296         int ret;
2297
2298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2299         ret = get_xstats_count(port_id);
2300         if (ret < 0)
2301                 return ret;
2302         expected_entries = (uint16_t)ret;
2303         struct rte_eth_xstat xstats[expected_entries];
2304         dev = &rte_eth_devices[port_id];
2305         basic_count = get_xstats_basic_count(dev);
2306
2307         /* Return max number of stats if no ids given */
2308         if (!ids) {
2309                 if (!values)
2310                         return expected_entries;
2311                 else if (values && size < expected_entries)
2312                         return expected_entries;
2313         }
2314
2315         if (ids && !values)
2316                 return -EINVAL;
2317
2318         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2319                 unsigned int basic_count = get_xstats_basic_count(dev);
2320                 uint64_t ids_copy[size];
2321
2322                 for (i = 0; i < size; i++) {
2323                         if (ids[i] < basic_count) {
2324                                 no_basic_stat_requested = 0;
2325                                 break;
2326                         }
2327
2328                         /*
2329                          * Convert ids to xstats ids that PMD knows.
2330                          * ids known by user are basic + extended stats.
2331                          */
2332                         ids_copy[i] = ids[i] - basic_count;
2333                 }
2334
2335                 if (no_basic_stat_requested)
2336                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2337                                         values, size);
2338         }
2339
2340         if (ids) {
2341                 for (i = 0; i < size; i++) {
2342                         if (ids[i] >= basic_count) {
2343                                 no_ext_stat_requested = 0;
2344                                 break;
2345                         }
2346                 }
2347         }
2348
2349         /* Fill the xstats structure */
2350         if (ids && no_ext_stat_requested)
2351                 ret = rte_eth_basic_stats_get(port_id, xstats);
2352         else
2353                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2354
2355         if (ret < 0)
2356                 return ret;
2357         num_xstats_filled = (unsigned int)ret;
2358
2359         /* Return all stats */
2360         if (!ids) {
2361                 for (i = 0; i < num_xstats_filled; i++)
2362                         values[i] = xstats[i].value;
2363                 return expected_entries;
2364         }
2365
2366         /* Filter stats */
2367         for (i = 0; i < size; i++) {
2368                 if (ids[i] >= expected_entries) {
2369                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2370                         return -1;
2371                 }
2372                 values[i] = xstats[ids[i]].value;
2373         }
2374         return size;
2375 }
2376
2377 int
2378 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2379         unsigned int n)
2380 {
2381         struct rte_eth_dev *dev;
2382         unsigned int count = 0, i;
2383         signed int xcount = 0;
2384         uint16_t nb_rxqs, nb_txqs;
2385         int ret;
2386
2387         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2388
2389         dev = &rte_eth_devices[port_id];
2390
2391         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2392         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2393
2394         /* Return generic statistics */
2395         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2396                 (nb_txqs * RTE_NB_TXQ_STATS);
2397
2398         /* implemented by the driver */
2399         if (dev->dev_ops->xstats_get != NULL) {
2400                 /* Retrieve the xstats from the driver at the end of the
2401                  * xstats struct.
2402                  */
2403                 xcount = (*dev->dev_ops->xstats_get)(dev,
2404                                      xstats ? xstats + count : NULL,
2405                                      (n > count) ? n - count : 0);
2406
2407                 if (xcount < 0)
2408                         return eth_err(port_id, xcount);
2409         }
2410
2411         if (n < count + xcount || xstats == NULL)
2412                 return count + xcount;
2413
2414         /* now fill the xstats structure */
2415         ret = rte_eth_basic_stats_get(port_id, xstats);
2416         if (ret < 0)
2417                 return ret;
2418         count = ret;
2419
2420         for (i = 0; i < count; i++)
2421                 xstats[i].id = i;
2422         /* add an offset to driver-specific stats */
2423         for ( ; i < count + xcount; i++)
2424                 xstats[i].id += count;
2425
2426         return count + xcount;
2427 }
2428
2429 /* reset ethdev extended statistics */
2430 void
2431 rte_eth_xstats_reset(uint16_t port_id)
2432 {
2433         struct rte_eth_dev *dev;
2434
2435         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2436         dev = &rte_eth_devices[port_id];
2437
2438         /* implemented by the driver */
2439         if (dev->dev_ops->xstats_reset != NULL) {
2440                 (*dev->dev_ops->xstats_reset)(dev);
2441                 return;
2442         }
2443
2444         /* fallback to default */
2445         rte_eth_stats_reset(port_id);
2446 }
2447
2448 static int
2449 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2450                 uint8_t is_rx)
2451 {
2452         struct rte_eth_dev *dev;
2453
2454         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2455
2456         dev = &rte_eth_devices[port_id];
2457
2458         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2459         return (*dev->dev_ops->queue_stats_mapping_set)
2460                         (dev, queue_id, stat_idx, is_rx);
2461 }
2462
2463
2464 int
2465 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2466                 uint8_t stat_idx)
2467 {
2468         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2469                                                 stat_idx, STAT_QMAP_TX));
2470 }
2471
2472
2473 int
2474 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2475                 uint8_t stat_idx)
2476 {
2477         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2478                                                 stat_idx, STAT_QMAP_RX));
2479 }
2480
2481 int
2482 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2483 {
2484         struct rte_eth_dev *dev;
2485
2486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2487         dev = &rte_eth_devices[port_id];
2488
2489         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2490         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2491                                                         fw_version, fw_size));
2492 }
2493
2494 void
2495 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2496 {
2497         struct rte_eth_dev *dev;
2498         struct rte_eth_txconf *txconf;
2499         const struct rte_eth_desc_lim lim = {
2500                 .nb_max = UINT16_MAX,
2501                 .nb_min = 0,
2502                 .nb_align = 1,
2503         };
2504
2505         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2506         dev = &rte_eth_devices[port_id];
2507
2508         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2509         dev_info->rx_desc_lim = lim;
2510         dev_info->tx_desc_lim = lim;
2511         dev_info->device = dev->device;
2512
2513         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2514         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2515         dev_info->driver_name = dev->device->driver->name;
2516         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2517         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2518
2519         dev_info->dev_flags = &dev->data->dev_flags;
2520         txconf = &dev_info->default_txconf;
2521         /* convert offload to txq_flags to support legacy app */
2522         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
2523 }
2524
2525 int
2526 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2527                                  uint32_t *ptypes, int num)
2528 {
2529         int i, j;
2530         struct rte_eth_dev *dev;
2531         const uint32_t *all_ptypes;
2532
2533         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2534         dev = &rte_eth_devices[port_id];
2535         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2536         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2537
2538         if (!all_ptypes)
2539                 return 0;
2540
2541         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2542                 if (all_ptypes[i] & ptype_mask) {
2543                         if (j < num)
2544                                 ptypes[j] = all_ptypes[i];
2545                         j++;
2546                 }
2547
2548         return j;
2549 }
2550
2551 void
2552 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2553 {
2554         struct rte_eth_dev *dev;
2555
2556         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2557         dev = &rte_eth_devices[port_id];
2558         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2559 }
2560
2561
2562 int
2563 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2564 {
2565         struct rte_eth_dev *dev;
2566
2567         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2568
2569         dev = &rte_eth_devices[port_id];
2570         *mtu = dev->data->mtu;
2571         return 0;
2572 }
2573
2574 int
2575 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2576 {
2577         int ret;
2578         struct rte_eth_dev *dev;
2579
2580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2581         dev = &rte_eth_devices[port_id];
2582         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2583
2584         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2585         if (!ret)
2586                 dev->data->mtu = mtu;
2587
2588         return eth_err(port_id, ret);
2589 }
2590
2591 int
2592 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2593 {
2594         struct rte_eth_dev *dev;
2595         int ret;
2596
2597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2598         dev = &rte_eth_devices[port_id];
2599         if (!(dev->data->dev_conf.rxmode.offloads &
2600               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2601                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2602                 return -ENOSYS;
2603         }
2604
2605         if (vlan_id > 4095) {
2606                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2607                                 port_id, (unsigned) vlan_id);
2608                 return -EINVAL;
2609         }
2610         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2611
2612         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2613         if (ret == 0) {
2614                 struct rte_vlan_filter_conf *vfc;
2615                 int vidx;
2616                 int vbit;
2617
2618                 vfc = &dev->data->vlan_filter_conf;
2619                 vidx = vlan_id / 64;
2620                 vbit = vlan_id % 64;
2621
2622                 if (on)
2623                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2624                 else
2625                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2626         }
2627
2628         return eth_err(port_id, ret);
2629 }
2630
2631 int
2632 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2633                                     int on)
2634 {
2635         struct rte_eth_dev *dev;
2636
2637         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2638         dev = &rte_eth_devices[port_id];
2639         if (rx_queue_id >= dev->data->nb_rx_queues) {
2640                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2641                 return -EINVAL;
2642         }
2643
2644         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2645         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2646
2647         return 0;
2648 }
2649
2650 int
2651 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2652                                 enum rte_vlan_type vlan_type,
2653                                 uint16_t tpid)
2654 {
2655         struct rte_eth_dev *dev;
2656
2657         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2658         dev = &rte_eth_devices[port_id];
2659         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2660
2661         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2662                                                                tpid));
2663 }
2664
2665 int
2666 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2667 {
2668         struct rte_eth_dev *dev;
2669         int ret = 0;
2670         int mask = 0;
2671         int cur, org = 0;
2672         uint64_t orig_offloads;
2673
2674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2675         dev = &rte_eth_devices[port_id];
2676
2677         /* save original values in case of failure */
2678         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2679
2680         /*check which option changed by application*/
2681         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2682         org = !!(dev->data->dev_conf.rxmode.offloads &
2683                  DEV_RX_OFFLOAD_VLAN_STRIP);
2684         if (cur != org) {
2685                 if (cur)
2686                         dev->data->dev_conf.rxmode.offloads |=
2687                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2688                 else
2689                         dev->data->dev_conf.rxmode.offloads &=
2690                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2691                 mask |= ETH_VLAN_STRIP_MASK;
2692         }
2693
2694         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2695         org = !!(dev->data->dev_conf.rxmode.offloads &
2696                  DEV_RX_OFFLOAD_VLAN_FILTER);
2697         if (cur != org) {
2698                 if (cur)
2699                         dev->data->dev_conf.rxmode.offloads |=
2700                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2701                 else
2702                         dev->data->dev_conf.rxmode.offloads &=
2703                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2704                 mask |= ETH_VLAN_FILTER_MASK;
2705         }
2706
2707         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2708         org = !!(dev->data->dev_conf.rxmode.offloads &
2709                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2710         if (cur != org) {
2711                 if (cur)
2712                         dev->data->dev_conf.rxmode.offloads |=
2713                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2714                 else
2715                         dev->data->dev_conf.rxmode.offloads &=
2716                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2717                 mask |= ETH_VLAN_EXTEND_MASK;
2718         }
2719
2720         /*no change*/
2721         if (mask == 0)
2722                 return ret;
2723
2724         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2725         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2726         if (ret) {
2727                 /* hit an error restore  original values */
2728                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2729         }
2730
2731         return eth_err(port_id, ret);
2732 }
2733
2734 int
2735 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2736 {
2737         struct rte_eth_dev *dev;
2738         int ret = 0;
2739
2740         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2741         dev = &rte_eth_devices[port_id];
2742
2743         if (dev->data->dev_conf.rxmode.offloads &
2744             DEV_RX_OFFLOAD_VLAN_STRIP)
2745                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2746
2747         if (dev->data->dev_conf.rxmode.offloads &
2748             DEV_RX_OFFLOAD_VLAN_FILTER)
2749                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2750
2751         if (dev->data->dev_conf.rxmode.offloads &
2752             DEV_RX_OFFLOAD_VLAN_EXTEND)
2753                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2754
2755         return ret;
2756 }
2757
2758 int
2759 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2760 {
2761         struct rte_eth_dev *dev;
2762
2763         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2764         dev = &rte_eth_devices[port_id];
2765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2766
2767         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2768 }
2769
2770 int
2771 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2772 {
2773         struct rte_eth_dev *dev;
2774
2775         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2776         dev = &rte_eth_devices[port_id];
2777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2778         memset(fc_conf, 0, sizeof(*fc_conf));
2779         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2780 }
2781
2782 int
2783 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2784 {
2785         struct rte_eth_dev *dev;
2786
2787         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2788         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2789                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2790                 return -EINVAL;
2791         }
2792
2793         dev = &rte_eth_devices[port_id];
2794         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2795         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2796 }
2797
2798 int
2799 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2800                                    struct rte_eth_pfc_conf *pfc_conf)
2801 {
2802         struct rte_eth_dev *dev;
2803
2804         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2805         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2806                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2807                 return -EINVAL;
2808         }
2809
2810         dev = &rte_eth_devices[port_id];
2811         /* High water, low water validation are device specific */
2812         if  (*dev->dev_ops->priority_flow_ctrl_set)
2813                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2814                                         (dev, pfc_conf));
2815         return -ENOTSUP;
2816 }
2817
2818 static int
2819 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2820                         uint16_t reta_size)
2821 {
2822         uint16_t i, num;
2823
2824         if (!reta_conf)
2825                 return -EINVAL;
2826
2827         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2828         for (i = 0; i < num; i++) {
2829                 if (reta_conf[i].mask)
2830                         return 0;
2831         }
2832
2833         return -EINVAL;
2834 }
2835
2836 static int
2837 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2838                          uint16_t reta_size,
2839                          uint16_t max_rxq)
2840 {
2841         uint16_t i, idx, shift;
2842
2843         if (!reta_conf)
2844                 return -EINVAL;
2845
2846         if (max_rxq == 0) {
2847                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2848                 return -EINVAL;
2849         }
2850
2851         for (i = 0; i < reta_size; i++) {
2852                 idx = i / RTE_RETA_GROUP_SIZE;
2853                 shift = i % RTE_RETA_GROUP_SIZE;
2854                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2855                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2856                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2857                                 "the maximum rxq index: %u\n", idx, shift,
2858                                 reta_conf[idx].reta[shift], max_rxq);
2859                         return -EINVAL;
2860                 }
2861         }
2862
2863         return 0;
2864 }
2865
2866 int
2867 rte_eth_dev_rss_reta_update(uint16_t port_id,
2868                             struct rte_eth_rss_reta_entry64 *reta_conf,
2869                             uint16_t reta_size)
2870 {
2871         struct rte_eth_dev *dev;
2872         int ret;
2873
2874         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2875         /* Check mask bits */
2876         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2877         if (ret < 0)
2878                 return ret;
2879
2880         dev = &rte_eth_devices[port_id];
2881
2882         /* Check entry value */
2883         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2884                                 dev->data->nb_rx_queues);
2885         if (ret < 0)
2886                 return ret;
2887
2888         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2889         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2890                                                              reta_size));
2891 }
2892
2893 int
2894 rte_eth_dev_rss_reta_query(uint16_t port_id,
2895                            struct rte_eth_rss_reta_entry64 *reta_conf,
2896                            uint16_t reta_size)
2897 {
2898         struct rte_eth_dev *dev;
2899         int ret;
2900
2901         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2902
2903         /* Check mask bits */
2904         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2905         if (ret < 0)
2906                 return ret;
2907
2908         dev = &rte_eth_devices[port_id];
2909         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2910         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2911                                                             reta_size));
2912 }
2913
2914 int
2915 rte_eth_dev_rss_hash_update(uint16_t port_id,
2916                             struct rte_eth_rss_conf *rss_conf)
2917 {
2918         struct rte_eth_dev *dev;
2919         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2920
2921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2922         dev = &rte_eth_devices[port_id];
2923         rte_eth_dev_info_get(port_id, &dev_info);
2924         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2925             dev_info.flow_type_rss_offloads) {
2926                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2927                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2928                                     port_id,
2929                                     rss_conf->rss_hf,
2930                                     dev_info.flow_type_rss_offloads);
2931         }
2932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2933         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2934                                                                  rss_conf));
2935 }
2936
2937 int
2938 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2939                               struct rte_eth_rss_conf *rss_conf)
2940 {
2941         struct rte_eth_dev *dev;
2942
2943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2944         dev = &rte_eth_devices[port_id];
2945         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2946         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2947                                                                    rss_conf));
2948 }
2949
2950 int
2951 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2952                                 struct rte_eth_udp_tunnel *udp_tunnel)
2953 {
2954         struct rte_eth_dev *dev;
2955
2956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2957         if (udp_tunnel == NULL) {
2958                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2959                 return -EINVAL;
2960         }
2961
2962         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2963                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2964                 return -EINVAL;
2965         }
2966
2967         dev = &rte_eth_devices[port_id];
2968         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2969         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2970                                                                 udp_tunnel));
2971 }
2972
2973 int
2974 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2975                                    struct rte_eth_udp_tunnel *udp_tunnel)
2976 {
2977         struct rte_eth_dev *dev;
2978
2979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2980         dev = &rte_eth_devices[port_id];
2981
2982         if (udp_tunnel == NULL) {
2983                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2984                 return -EINVAL;
2985         }
2986
2987         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2988                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2989                 return -EINVAL;
2990         }
2991
2992         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2993         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2994                                                                 udp_tunnel));
2995 }
2996
2997 int
2998 rte_eth_led_on(uint16_t port_id)
2999 {
3000         struct rte_eth_dev *dev;
3001
3002         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3003         dev = &rte_eth_devices[port_id];
3004         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3005         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3006 }
3007
3008 int
3009 rte_eth_led_off(uint16_t port_id)
3010 {
3011         struct rte_eth_dev *dev;
3012
3013         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3014         dev = &rte_eth_devices[port_id];
3015         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3016         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3017 }
3018
3019 /*
3020  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3021  * an empty spot.
3022  */
3023 static int
3024 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3025 {
3026         struct rte_eth_dev_info dev_info;
3027         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3028         unsigned i;
3029
3030         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3031         rte_eth_dev_info_get(port_id, &dev_info);
3032
3033         for (i = 0; i < dev_info.max_mac_addrs; i++)
3034                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3035                         return i;
3036
3037         return -1;
3038 }
3039
3040 static const struct ether_addr null_mac_addr;
3041
3042 int
3043 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3044                         uint32_t pool)
3045 {
3046         struct rte_eth_dev *dev;
3047         int index;
3048         uint64_t pool_mask;
3049         int ret;
3050
3051         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3052         dev = &rte_eth_devices[port_id];
3053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3054
3055         if (is_zero_ether_addr(addr)) {
3056                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3057                         port_id);
3058                 return -EINVAL;
3059         }
3060         if (pool >= ETH_64_POOLS) {
3061                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
3062                 return -EINVAL;
3063         }
3064
3065         index = get_mac_addr_index(port_id, addr);
3066         if (index < 0) {
3067                 index = get_mac_addr_index(port_id, &null_mac_addr);
3068                 if (index < 0) {
3069                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3070                                 port_id);
3071                         return -ENOSPC;
3072                 }
3073         } else {
3074                 pool_mask = dev->data->mac_pool_sel[index];
3075
3076                 /* Check if both MAC address and pool is already there, and do nothing */
3077                 if (pool_mask & (1ULL << pool))
3078                         return 0;
3079         }
3080
3081         /* Update NIC */
3082         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3083
3084         if (ret == 0) {
3085                 /* Update address in NIC data structure */
3086                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3087
3088                 /* Update pool bitmap in NIC data structure */
3089                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3090         }
3091
3092         return eth_err(port_id, ret);
3093 }
3094
3095 int
3096 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3097 {
3098         struct rte_eth_dev *dev;
3099         int index;
3100
3101         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3102         dev = &rte_eth_devices[port_id];
3103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3104
3105         index = get_mac_addr_index(port_id, addr);
3106         if (index == 0) {
3107                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3108                 return -EADDRINUSE;
3109         } else if (index < 0)
3110                 return 0;  /* Do nothing if address wasn't found */
3111
3112         /* Update NIC */
3113         (*dev->dev_ops->mac_addr_remove)(dev, index);
3114
3115         /* Update address in NIC data structure */
3116         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3117
3118         /* reset pool bitmap */
3119         dev->data->mac_pool_sel[index] = 0;
3120
3121         return 0;
3122 }
3123
3124 int
3125 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3126 {
3127         struct rte_eth_dev *dev;
3128         int ret;
3129
3130         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3131
3132         if (!is_valid_assigned_ether_addr(addr))
3133                 return -EINVAL;
3134
3135         dev = &rte_eth_devices[port_id];
3136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3137
3138         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3139         if (ret < 0)
3140                 return ret;
3141
3142         /* Update default address in NIC data structure */
3143         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3144
3145         return 0;
3146 }
3147
3148
3149 /*
3150  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3151  * an empty spot.
3152  */
3153 static int
3154 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3155 {
3156         struct rte_eth_dev_info dev_info;
3157         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3158         unsigned i;
3159
3160         rte_eth_dev_info_get(port_id, &dev_info);
3161         if (!dev->data->hash_mac_addrs)
3162                 return -1;
3163
3164         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3165                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3166                         ETHER_ADDR_LEN) == 0)
3167                         return i;
3168
3169         return -1;
3170 }
3171
3172 int
3173 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3174                                 uint8_t on)
3175 {
3176         int index;
3177         int ret;
3178         struct rte_eth_dev *dev;
3179
3180         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3181
3182         dev = &rte_eth_devices[port_id];
3183         if (is_zero_ether_addr(addr)) {
3184                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3185                         port_id);
3186                 return -EINVAL;
3187         }
3188
3189         index = get_hash_mac_addr_index(port_id, addr);
3190         /* Check if it's already there, and do nothing */
3191         if ((index >= 0) && on)
3192                 return 0;
3193
3194         if (index < 0) {
3195                 if (!on) {
3196                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3197                                 "set in UTA\n", port_id);
3198                         return -EINVAL;
3199                 }
3200
3201                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3202                 if (index < 0) {
3203                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3204                                         port_id);
3205                         return -ENOSPC;
3206                 }
3207         }
3208
3209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3210         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3211         if (ret == 0) {
3212                 /* Update address in NIC data structure */
3213                 if (on)
3214                         ether_addr_copy(addr,
3215                                         &dev->data->hash_mac_addrs[index]);
3216                 else
3217                         ether_addr_copy(&null_mac_addr,
3218                                         &dev->data->hash_mac_addrs[index]);
3219         }
3220
3221         return eth_err(port_id, ret);
3222 }
3223
3224 int
3225 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3226 {
3227         struct rte_eth_dev *dev;
3228
3229         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3230
3231         dev = &rte_eth_devices[port_id];
3232
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3234         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3235                                                                        on));
3236 }
3237
3238 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3239                                         uint16_t tx_rate)
3240 {
3241         struct rte_eth_dev *dev;
3242         struct rte_eth_dev_info dev_info;
3243         struct rte_eth_link link;
3244
3245         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3246
3247         dev = &rte_eth_devices[port_id];
3248         rte_eth_dev_info_get(port_id, &dev_info);
3249         link = dev->data->dev_link;
3250
3251         if (queue_idx > dev_info.max_tx_queues) {
3252                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3253                                 "invalid queue id=%d\n", port_id, queue_idx);
3254                 return -EINVAL;
3255         }
3256
3257         if (tx_rate > link.link_speed) {
3258                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3259                                 "bigger than link speed= %d\n",
3260                         tx_rate, link.link_speed);
3261                 return -EINVAL;
3262         }
3263
3264         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3265         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3266                                                         queue_idx, tx_rate));
3267 }
3268
3269 int
3270 rte_eth_mirror_rule_set(uint16_t port_id,
3271                         struct rte_eth_mirror_conf *mirror_conf,
3272                         uint8_t rule_id, uint8_t on)
3273 {
3274         struct rte_eth_dev *dev;
3275
3276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3277         if (mirror_conf->rule_type == 0) {
3278                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3279                 return -EINVAL;
3280         }
3281
3282         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3283                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3284                                 ETH_64_POOLS - 1);
3285                 return -EINVAL;
3286         }
3287
3288         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3289              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3290             (mirror_conf->pool_mask == 0)) {
3291                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3292                 return -EINVAL;
3293         }
3294
3295         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3296             mirror_conf->vlan.vlan_mask == 0) {
3297                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3298                 return -EINVAL;
3299         }
3300
3301         dev = &rte_eth_devices[port_id];
3302         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3303
3304         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3305                                                 mirror_conf, rule_id, on));
3306 }
3307
3308 int
3309 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3310 {
3311         struct rte_eth_dev *dev;
3312
3313         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3314
3315         dev = &rte_eth_devices[port_id];
3316         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3317
3318         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3319                                                                    rule_id));
3320 }
3321
3322 RTE_INIT(eth_dev_init_cb_lists)
3323 {
3324         int i;
3325
3326         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3327                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3328 }
3329
3330 int
3331 rte_eth_dev_callback_register(uint16_t port_id,
3332                         enum rte_eth_event_type event,
3333                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3334 {
3335         struct rte_eth_dev *dev;
3336         struct rte_eth_dev_callback *user_cb;
3337         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3338         uint16_t last_port;
3339
3340         if (!cb_fn)
3341                 return -EINVAL;
3342
3343         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3344                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3345                 return -EINVAL;
3346         }
3347
3348         if (port_id == RTE_ETH_ALL) {
3349                 next_port = 0;
3350                 last_port = RTE_MAX_ETHPORTS - 1;
3351         } else {
3352                 next_port = last_port = port_id;
3353         }
3354
3355         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3356
3357         do {
3358                 dev = &rte_eth_devices[next_port];
3359
3360                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3361                         if (user_cb->cb_fn == cb_fn &&
3362                                 user_cb->cb_arg == cb_arg &&
3363                                 user_cb->event == event) {
3364                                 break;
3365                         }
3366                 }
3367
3368                 /* create a new callback. */
3369                 if (user_cb == NULL) {
3370                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3371                                 sizeof(struct rte_eth_dev_callback), 0);
3372                         if (user_cb != NULL) {
3373                                 user_cb->cb_fn = cb_fn;
3374                                 user_cb->cb_arg = cb_arg;
3375                                 user_cb->event = event;
3376                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3377                                                   user_cb, next);
3378                         } else {
3379                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3380                                 rte_eth_dev_callback_unregister(port_id, event,
3381                                                                 cb_fn, cb_arg);
3382                                 return -ENOMEM;
3383                         }
3384
3385                 }
3386         } while (++next_port <= last_port);
3387
3388         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3389         return 0;
3390 }
3391
3392 int
3393 rte_eth_dev_callback_unregister(uint16_t port_id,
3394                         enum rte_eth_event_type event,
3395                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3396 {
3397         int ret;
3398         struct rte_eth_dev *dev;
3399         struct rte_eth_dev_callback *cb, *next;
3400         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3401         uint16_t last_port;
3402
3403         if (!cb_fn)
3404                 return -EINVAL;
3405
3406         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3407                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3408                 return -EINVAL;
3409         }
3410
3411         if (port_id == RTE_ETH_ALL) {
3412                 next_port = 0;
3413                 last_port = RTE_MAX_ETHPORTS - 1;
3414         } else {
3415                 next_port = last_port = port_id;
3416         }
3417
3418         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3419
3420         do {
3421                 dev = &rte_eth_devices[next_port];
3422                 ret = 0;
3423                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3424                      cb = next) {
3425
3426                         next = TAILQ_NEXT(cb, next);
3427
3428                         if (cb->cb_fn != cb_fn || cb->event != event ||
3429                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3430                                 continue;
3431
3432                         /*
3433                          * if this callback is not executing right now,
3434                          * then remove it.
3435                          */
3436                         if (cb->active == 0) {
3437                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3438                                 rte_free(cb);
3439                         } else {
3440                                 ret = -EAGAIN;
3441                         }
3442                 }
3443         } while (++next_port <= last_port);
3444
3445         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3446         return ret;
3447 }
3448
3449 int
3450 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3451         enum rte_eth_event_type event, void *ret_param)
3452 {
3453         struct rte_eth_dev_callback *cb_lst;
3454         struct rte_eth_dev_callback dev_cb;
3455         int rc = 0;
3456
3457         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3458         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3459                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3460                         continue;
3461                 dev_cb = *cb_lst;
3462                 cb_lst->active = 1;
3463                 if (ret_param != NULL)
3464                         dev_cb.ret_param = ret_param;
3465
3466                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3467                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3468                                 dev_cb.cb_arg, dev_cb.ret_param);
3469                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3470                 cb_lst->active = 0;
3471         }
3472         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3473         return rc;
3474 }
3475
3476 void
3477 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3478 {
3479         if (dev == NULL)
3480                 return;
3481
3482         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3483
3484         dev->state = RTE_ETH_DEV_ATTACHED;
3485 }
3486
3487 int
3488 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3489 {
3490         uint32_t vec;
3491         struct rte_eth_dev *dev;
3492         struct rte_intr_handle *intr_handle;
3493         uint16_t qid;
3494         int rc;
3495
3496         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3497
3498         dev = &rte_eth_devices[port_id];
3499
3500         if (!dev->intr_handle) {
3501                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3502                 return -ENOTSUP;
3503         }
3504
3505         intr_handle = dev->intr_handle;
3506         if (!intr_handle->intr_vec) {
3507                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3508                 return -EPERM;
3509         }
3510
3511         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3512                 vec = intr_handle->intr_vec[qid];
3513                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3514                 if (rc && rc != -EEXIST) {
3515                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3516                                         " op %d epfd %d vec %u\n",
3517                                         port_id, qid, op, epfd, vec);
3518                 }
3519         }
3520
3521         return 0;
3522 }
3523
3524 const struct rte_memzone *
3525 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3526                          uint16_t queue_id, size_t size, unsigned align,
3527                          int socket_id)
3528 {
3529         char z_name[RTE_MEMZONE_NAMESIZE];
3530         const struct rte_memzone *mz;
3531
3532         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3533                  dev->device->driver->name, ring_name,
3534                  dev->data->port_id, queue_id);
3535
3536         mz = rte_memzone_lookup(z_name);
3537         if (mz)
3538                 return mz;
3539
3540         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3541                         RTE_MEMZONE_IOVA_CONTIG, align);
3542 }
3543
3544 int __rte_experimental
3545 rte_eth_dev_create(struct rte_device *device, const char *name,
3546         size_t priv_data_size,
3547         ethdev_bus_specific_init ethdev_bus_specific_init,
3548         void *bus_init_params,
3549         ethdev_init_t ethdev_init, void *init_params)
3550 {
3551         struct rte_eth_dev *ethdev;
3552         int retval;
3553
3554         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3555
3556         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3557                 ethdev = rte_eth_dev_allocate(name);
3558                 if (!ethdev) {
3559                         retval = -ENODEV;
3560                         goto probe_failed;
3561                 }
3562
3563                 if (priv_data_size) {
3564                         ethdev->data->dev_private = rte_zmalloc_socket(
3565                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3566                                 device->numa_node);
3567
3568                         if (!ethdev->data->dev_private) {
3569                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3570                                 retval = -ENOMEM;
3571                                 goto probe_failed;
3572                         }
3573                 }
3574         } else {
3575                 ethdev = rte_eth_dev_attach_secondary(name);
3576                 if (!ethdev) {
3577                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3578                                 "ethdev doesn't exist");
3579                         retval = -ENODEV;
3580                         goto probe_failed;
3581                 }
3582         }
3583
3584         ethdev->device = device;
3585
3586         if (ethdev_bus_specific_init) {
3587                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3588                 if (retval) {
3589                         RTE_LOG(ERR, EAL,
3590                                 "ethdev bus specific initialisation failed");
3591                         goto probe_failed;
3592                 }
3593         }
3594
3595         retval = ethdev_init(ethdev, init_params);
3596         if (retval) {
3597                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3598                 goto probe_failed;
3599         }
3600
3601         rte_eth_dev_probing_finish(ethdev);
3602
3603         return retval;
3604 probe_failed:
3605         /* free ports private data if primary process */
3606         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3607                 rte_free(ethdev->data->dev_private);
3608
3609         rte_eth_dev_release_port(ethdev);
3610
3611         return retval;
3612 }
3613
3614 int  __rte_experimental
3615 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3616         ethdev_uninit_t ethdev_uninit)
3617 {
3618         int ret;
3619
3620         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3621         if (!ethdev)
3622                 return -ENODEV;
3623
3624         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3625         if (ethdev_uninit) {
3626                 ret = ethdev_uninit(ethdev);
3627                 if (ret)
3628                         return ret;
3629         }
3630
3631         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3632                 rte_free(ethdev->data->dev_private);
3633
3634         ethdev->data->dev_private = NULL;
3635
3636         return rte_eth_dev_release_port(ethdev);
3637 }
3638
3639 int
3640 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3641                           int epfd, int op, void *data)
3642 {
3643         uint32_t vec;
3644         struct rte_eth_dev *dev;
3645         struct rte_intr_handle *intr_handle;
3646         int rc;
3647
3648         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3649
3650         dev = &rte_eth_devices[port_id];
3651         if (queue_id >= dev->data->nb_rx_queues) {
3652                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3653                 return -EINVAL;
3654         }
3655
3656         if (!dev->intr_handle) {
3657                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3658                 return -ENOTSUP;
3659         }
3660
3661         intr_handle = dev->intr_handle;
3662         if (!intr_handle->intr_vec) {
3663                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3664                 return -EPERM;
3665         }
3666
3667         vec = intr_handle->intr_vec[queue_id];
3668         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3669         if (rc && rc != -EEXIST) {
3670                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3671                                 " op %d epfd %d vec %u\n",
3672                                 port_id, queue_id, op, epfd, vec);
3673                 return rc;
3674         }
3675
3676         return 0;
3677 }
3678
3679 int
3680 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3681                            uint16_t queue_id)
3682 {
3683         struct rte_eth_dev *dev;
3684
3685         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3686
3687         dev = &rte_eth_devices[port_id];
3688
3689         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3690         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3691                                                                 queue_id));
3692 }
3693
3694 int
3695 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3696                             uint16_t queue_id)
3697 {
3698         struct rte_eth_dev *dev;
3699
3700         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3701
3702         dev = &rte_eth_devices[port_id];
3703
3704         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3705         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3706                                                                 queue_id));
3707 }
3708
3709
3710 int
3711 rte_eth_dev_filter_supported(uint16_t port_id,
3712                              enum rte_filter_type filter_type)
3713 {
3714         struct rte_eth_dev *dev;
3715
3716         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3717
3718         dev = &rte_eth_devices[port_id];
3719         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3720         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3721                                 RTE_ETH_FILTER_NOP, NULL);
3722 }
3723
3724 int
3725 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3726                         enum rte_filter_op filter_op, void *arg)
3727 {
3728         struct rte_eth_dev *dev;
3729
3730         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3731
3732         dev = &rte_eth_devices[port_id];
3733         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3734         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3735                                                              filter_op, arg));
3736 }
3737
3738 const struct rte_eth_rxtx_callback *
3739 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3740                 rte_rx_callback_fn fn, void *user_param)
3741 {
3742 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3743         rte_errno = ENOTSUP;
3744         return NULL;
3745 #endif
3746         /* check input parameters */
3747         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3748                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3749                 rte_errno = EINVAL;
3750                 return NULL;
3751         }
3752         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3753
3754         if (cb == NULL) {
3755                 rte_errno = ENOMEM;
3756                 return NULL;
3757         }
3758
3759         cb->fn.rx = fn;
3760         cb->param = user_param;
3761
3762         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3763         /* Add the callbacks in fifo order. */
3764         struct rte_eth_rxtx_callback *tail =
3765                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3766
3767         if (!tail) {
3768                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3769
3770         } else {
3771                 while (tail->next)
3772                         tail = tail->next;
3773                 tail->next = cb;
3774         }
3775         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3776
3777         return cb;
3778 }
3779
3780 const struct rte_eth_rxtx_callback *
3781 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3782                 rte_rx_callback_fn fn, void *user_param)
3783 {
3784 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3785         rte_errno = ENOTSUP;
3786         return NULL;
3787 #endif
3788         /* check input parameters */
3789         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3790                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3791                 rte_errno = EINVAL;
3792                 return NULL;
3793         }
3794
3795         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3796
3797         if (cb == NULL) {
3798                 rte_errno = ENOMEM;
3799                 return NULL;
3800         }
3801
3802         cb->fn.rx = fn;
3803         cb->param = user_param;
3804
3805         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3806         /* Add the callbacks at fisrt position*/
3807         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3808         rte_smp_wmb();
3809         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3810         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3811
3812         return cb;
3813 }
3814
3815 const struct rte_eth_rxtx_callback *
3816 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3817                 rte_tx_callback_fn fn, void *user_param)
3818 {
3819 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3820         rte_errno = ENOTSUP;
3821         return NULL;
3822 #endif
3823         /* check input parameters */
3824         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3825                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3826                 rte_errno = EINVAL;
3827                 return NULL;
3828         }
3829
3830         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3831
3832         if (cb == NULL) {
3833                 rte_errno = ENOMEM;
3834                 return NULL;
3835         }
3836
3837         cb->fn.tx = fn;
3838         cb->param = user_param;
3839
3840         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3841         /* Add the callbacks in fifo order. */
3842         struct rte_eth_rxtx_callback *tail =
3843                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3844
3845         if (!tail) {
3846                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3847
3848         } else {
3849                 while (tail->next)
3850                         tail = tail->next;
3851                 tail->next = cb;
3852         }
3853         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3854
3855         return cb;
3856 }
3857
3858 int
3859 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3860                 const struct rte_eth_rxtx_callback *user_cb)
3861 {
3862 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3863         return -ENOTSUP;
3864 #endif
3865         /* Check input parameters. */
3866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3867         if (user_cb == NULL ||
3868                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3869                 return -EINVAL;
3870
3871         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3872         struct rte_eth_rxtx_callback *cb;
3873         struct rte_eth_rxtx_callback **prev_cb;
3874         int ret = -EINVAL;
3875
3876         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3877         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3878         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3879                 cb = *prev_cb;
3880                 if (cb == user_cb) {
3881                         /* Remove the user cb from the callback list. */
3882                         *prev_cb = cb->next;
3883                         ret = 0;
3884                         break;
3885                 }
3886         }
3887         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3888
3889         return ret;
3890 }
3891
3892 int
3893 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3894                 const struct rte_eth_rxtx_callback *user_cb)
3895 {
3896 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3897         return -ENOTSUP;
3898 #endif
3899         /* Check input parameters. */
3900         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3901         if (user_cb == NULL ||
3902                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3903                 return -EINVAL;
3904
3905         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3906         int ret = -EINVAL;
3907         struct rte_eth_rxtx_callback *cb;
3908         struct rte_eth_rxtx_callback **prev_cb;
3909
3910         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3911         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3912         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3913                 cb = *prev_cb;
3914                 if (cb == user_cb) {
3915                         /* Remove the user cb from the callback list. */
3916                         *prev_cb = cb->next;
3917                         ret = 0;
3918                         break;
3919                 }
3920         }
3921         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3922
3923         return ret;
3924 }
3925
3926 int
3927 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3928         struct rte_eth_rxq_info *qinfo)
3929 {
3930         struct rte_eth_dev *dev;
3931
3932         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3933
3934         if (qinfo == NULL)
3935                 return -EINVAL;
3936
3937         dev = &rte_eth_devices[port_id];
3938         if (queue_id >= dev->data->nb_rx_queues) {
3939                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3940                 return -EINVAL;
3941         }
3942
3943         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3944
3945         memset(qinfo, 0, sizeof(*qinfo));
3946         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3947         return 0;
3948 }
3949
3950 int
3951 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3952         struct rte_eth_txq_info *qinfo)
3953 {
3954         struct rte_eth_dev *dev;
3955         struct rte_eth_txconf *txconf = &qinfo->conf;
3956
3957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3958
3959         if (qinfo == NULL)
3960                 return -EINVAL;
3961
3962         dev = &rte_eth_devices[port_id];
3963         if (queue_id >= dev->data->nb_tx_queues) {
3964                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3965                 return -EINVAL;
3966         }
3967
3968         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3969
3970         memset(qinfo, 0, sizeof(*qinfo));
3971         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3972         /* convert offload to txq_flags to support legacy app */
3973         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
3974
3975         return 0;
3976 }
3977
3978 int
3979 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3980                              struct ether_addr *mc_addr_set,
3981                              uint32_t nb_mc_addr)
3982 {
3983         struct rte_eth_dev *dev;
3984
3985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3986
3987         dev = &rte_eth_devices[port_id];
3988         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3989         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3990                                                 mc_addr_set, nb_mc_addr));
3991 }
3992
3993 int
3994 rte_eth_timesync_enable(uint16_t port_id)
3995 {
3996         struct rte_eth_dev *dev;
3997
3998         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3999         dev = &rte_eth_devices[port_id];
4000
4001         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4002         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4003 }
4004
4005 int
4006 rte_eth_timesync_disable(uint16_t port_id)
4007 {
4008         struct rte_eth_dev *dev;
4009
4010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4011         dev = &rte_eth_devices[port_id];
4012
4013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4014         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4015 }
4016
4017 int
4018 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4019                                    uint32_t flags)
4020 {
4021         struct rte_eth_dev *dev;
4022
4023         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4024         dev = &rte_eth_devices[port_id];
4025
4026         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4027         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4028                                 (dev, timestamp, flags));
4029 }
4030
4031 int
4032 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4033                                    struct timespec *timestamp)
4034 {
4035         struct rte_eth_dev *dev;
4036
4037         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4038         dev = &rte_eth_devices[port_id];
4039
4040         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4041         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4042                                 (dev, timestamp));
4043 }
4044
4045 int
4046 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4047 {
4048         struct rte_eth_dev *dev;
4049
4050         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4051         dev = &rte_eth_devices[port_id];
4052
4053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4054         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4055                                                                       delta));
4056 }
4057
4058 int
4059 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4060 {
4061         struct rte_eth_dev *dev;
4062
4063         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4064         dev = &rte_eth_devices[port_id];
4065
4066         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4067         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4068                                                                 timestamp));
4069 }
4070
4071 int
4072 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4073 {
4074         struct rte_eth_dev *dev;
4075
4076         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4077         dev = &rte_eth_devices[port_id];
4078
4079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4080         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4081                                                                 timestamp));
4082 }
4083
4084 int
4085 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4086 {
4087         struct rte_eth_dev *dev;
4088
4089         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4090
4091         dev = &rte_eth_devices[port_id];
4092         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4093         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4094 }
4095
4096 int
4097 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4098 {
4099         struct rte_eth_dev *dev;
4100
4101         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4102
4103         dev = &rte_eth_devices[port_id];
4104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4105         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4106 }
4107
4108 int
4109 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4110 {
4111         struct rte_eth_dev *dev;
4112
4113         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4114
4115         dev = &rte_eth_devices[port_id];
4116         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4117         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4118 }
4119
4120 int
4121 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4122 {
4123         struct rte_eth_dev *dev;
4124
4125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4126
4127         dev = &rte_eth_devices[port_id];
4128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4129         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4130 }
4131
4132 int __rte_experimental
4133 rte_eth_dev_get_module_info(uint16_t port_id,
4134                             struct rte_eth_dev_module_info *modinfo)
4135 {
4136         struct rte_eth_dev *dev;
4137
4138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4139
4140         dev = &rte_eth_devices[port_id];
4141         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4142         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4143 }
4144
4145 int __rte_experimental
4146 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4147                               struct rte_dev_eeprom_info *info)
4148 {
4149         struct rte_eth_dev *dev;
4150
4151         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4152
4153         dev = &rte_eth_devices[port_id];
4154         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4155         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4156 }
4157
4158 int
4159 rte_eth_dev_get_dcb_info(uint16_t port_id,
4160                              struct rte_eth_dcb_info *dcb_info)
4161 {
4162         struct rte_eth_dev *dev;
4163
4164         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4165
4166         dev = &rte_eth_devices[port_id];
4167         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4168
4169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4170         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4171 }
4172
4173 int
4174 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4175                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4176 {
4177         struct rte_eth_dev *dev;
4178
4179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4180         if (l2_tunnel == NULL) {
4181                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4182                 return -EINVAL;
4183         }
4184
4185         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4186                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4187                 return -EINVAL;
4188         }
4189
4190         dev = &rte_eth_devices[port_id];
4191         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4192                                 -ENOTSUP);
4193         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4194                                                                 l2_tunnel));
4195 }
4196
4197 int
4198 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4199                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4200                                   uint32_t mask,
4201                                   uint8_t en)
4202 {
4203         struct rte_eth_dev *dev;
4204
4205         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4206
4207         if (l2_tunnel == NULL) {
4208                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4209                 return -EINVAL;
4210         }
4211
4212         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4213                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4214                 return -EINVAL;
4215         }
4216
4217         if (mask == 0) {
4218                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4219                 return -EINVAL;
4220         }
4221
4222         dev = &rte_eth_devices[port_id];
4223         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4224                                 -ENOTSUP);
4225         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4226                                                         l2_tunnel, mask, en));
4227 }
4228
4229 static void
4230 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4231                            const struct rte_eth_desc_lim *desc_lim)
4232 {
4233         if (desc_lim->nb_align != 0)
4234                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4235
4236         if (desc_lim->nb_max != 0)
4237                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4238
4239         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4240 }
4241
4242 int
4243 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4244                                  uint16_t *nb_rx_desc,
4245                                  uint16_t *nb_tx_desc)
4246 {
4247         struct rte_eth_dev *dev;
4248         struct rte_eth_dev_info dev_info;
4249
4250         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4251
4252         dev = &rte_eth_devices[port_id];
4253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4254
4255         rte_eth_dev_info_get(port_id, &dev_info);
4256
4257         if (nb_rx_desc != NULL)
4258                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4259
4260         if (nb_tx_desc != NULL)
4261                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4262
4263         return 0;
4264 }
4265
4266 int
4267 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4268 {
4269         struct rte_eth_dev *dev;
4270
4271         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4272
4273         if (pool == NULL)
4274                 return -EINVAL;
4275
4276         dev = &rte_eth_devices[port_id];
4277
4278         if (*dev->dev_ops->pool_ops_supported == NULL)
4279                 return 1; /* all pools are supported */
4280
4281         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4282 }
4283
4284 /**
4285  * A set of values to describe the possible states of a switch domain.
4286  */
4287 enum rte_eth_switch_domain_state {
4288         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4289         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4290 };
4291
4292 /**
4293  * Array of switch domains available for allocation. Array is sized to
4294  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4295  * ethdev ports in a single process.
4296  */
4297 struct rte_eth_dev_switch {
4298         enum rte_eth_switch_domain_state state;
4299 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4300
4301 int __rte_experimental
4302 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4303 {
4304         unsigned int i;
4305
4306         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4307
4308         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4309                 i < RTE_MAX_ETHPORTS; i++) {
4310                 if (rte_eth_switch_domains[i].state ==
4311                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4312                         rte_eth_switch_domains[i].state =
4313                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4314                         *domain_id = i;
4315                         return 0;
4316                 }
4317         }
4318
4319         return -ENOSPC;
4320 }
4321
4322 int __rte_experimental
4323 rte_eth_switch_domain_free(uint16_t domain_id)
4324 {
4325         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4326                 domain_id >= RTE_MAX_ETHPORTS)
4327                 return -EINVAL;
4328
4329         if (rte_eth_switch_domains[domain_id].state !=
4330                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4331                 return -EINVAL;
4332
4333         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4334
4335         return 0;
4336 }
4337
4338 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4339
4340 static int
4341 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4342 {
4343         int state;
4344         struct rte_kvargs_pair *pair;
4345         char *letter;
4346
4347         arglist->str = strdup(str_in);
4348         if (arglist->str == NULL)
4349                 return -ENOMEM;
4350
4351         letter = arglist->str;
4352         state = 0;
4353         arglist->count = 0;
4354         pair = &arglist->pairs[0];
4355         while (1) {
4356                 switch (state) {
4357                 case 0: /* Initial */
4358                         if (*letter == '=')
4359                                 return -EINVAL;
4360                         else if (*letter == '\0')
4361                                 return 0;
4362
4363                         state = 1;
4364                         pair->key = letter;
4365                         /* fall-thru */
4366
4367                 case 1: /* Parsing key */
4368                         if (*letter == '=') {
4369                                 *letter = '\0';
4370                                 pair->value = letter + 1;
4371                                 state = 2;
4372                         } else if (*letter == ',' || *letter == '\0')
4373                                 return -EINVAL;
4374                         break;
4375
4376
4377                 case 2: /* Parsing value */
4378                         if (*letter == '[')
4379                                 state = 3;
4380                         else if (*letter == ',') {
4381                                 *letter = '\0';
4382                                 arglist->count++;
4383                                 pair = &arglist->pairs[arglist->count];
4384                                 state = 0;
4385                         } else if (*letter == '\0') {
4386                                 letter--;
4387                                 arglist->count++;
4388                                 pair = &arglist->pairs[arglist->count];
4389                                 state = 0;
4390                         }
4391                         break;
4392
4393                 case 3: /* Parsing list */
4394                         if (*letter == ']')
4395                                 state = 2;
4396                         else if (*letter == '\0')
4397                                 return -EINVAL;
4398                         break;
4399                 }
4400                 letter++;
4401         }
4402 }
4403
4404 static int
4405 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4406         void *data)
4407 {
4408         char *str_start;
4409         int state;
4410         int result;
4411
4412         if (*str != '[')
4413                 /* Single element, not a list */
4414                 return callback(str, data);
4415
4416         /* Sanity check, then strip the brackets */
4417         str_start = &str[strlen(str) - 1];
4418         if (*str_start != ']') {
4419                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4420                 return -EINVAL;
4421         }
4422         str++;
4423         *str_start = '\0';
4424
4425         /* Process list elements */
4426         state = 0;
4427         while (1) {
4428                 if (state == 0) {
4429                         if (*str == '\0')
4430                                 break;
4431                         if (*str != ',') {
4432                                 str_start = str;
4433                                 state = 1;
4434                         }
4435                 } else if (state == 1) {
4436                         if (*str == ',' || *str == '\0') {
4437                                 if (str > str_start) {
4438                                         /* Non-empty string fragment */
4439                                         *str = '\0';
4440                                         result = callback(str_start, data);
4441                                         if (result < 0)
4442                                                 return result;
4443                                 }
4444                                 state = 0;
4445                         }
4446                 }
4447                 str++;
4448         }
4449         return 0;
4450 }
4451
4452 static int
4453 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4454         const uint16_t max_list)
4455 {
4456         uint16_t lo, hi, val;
4457         int result;
4458
4459         result = sscanf(str, "%hu-%hu", &lo, &hi);
4460         if (result == 1) {
4461                 if (*len_list >= max_list)
4462                         return -ENOMEM;
4463                 list[(*len_list)++] = lo;
4464         } else if (result == 2) {
4465                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4466                         return -EINVAL;
4467                 for (val = lo; val <= hi; val++) {
4468                         if (*len_list >= max_list)
4469                                 return -ENOMEM;
4470                         list[(*len_list)++] = val;
4471                 }
4472         } else
4473                 return -EINVAL;
4474         return 0;
4475 }
4476
4477
4478 static int
4479 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4480 {
4481         struct rte_eth_devargs *eth_da = data;
4482
4483         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4484                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4485 }
4486
4487 int __rte_experimental
4488 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4489 {
4490         struct rte_kvargs args;
4491         struct rte_kvargs_pair *pair;
4492         unsigned int i;
4493         int result = 0;
4494
4495         memset(eth_da, 0, sizeof(*eth_da));
4496
4497         result = rte_eth_devargs_tokenise(&args, dargs);
4498         if (result < 0)
4499                 goto parse_cleanup;
4500
4501         for (i = 0; i < args.count; i++) {
4502                 pair = &args.pairs[i];
4503                 if (strcmp("representor", pair->key) == 0) {
4504                         result = rte_eth_devargs_parse_list(pair->value,
4505                                 rte_eth_devargs_parse_representor_ports,
4506                                 eth_da);
4507                         if (result < 0)
4508                                 goto parse_cleanup;
4509                 }
4510         }
4511
4512 parse_cleanup:
4513         if (args.str)
4514                 free(args.str);
4515
4516         return result;
4517 }
4518
4519 RTE_INIT(ethdev_init_log);
4520 static void
4521 ethdev_init_log(void)
4522 {
4523         ethdev_logtype = rte_log_register("lib.ethdev");
4524         if (ethdev_logtype >= 0)
4525                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4526 }