lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "rte_ether.h"
  41 #include "rte_ethdev.h"
  42 #include "rte_ethdev_driver.h"
  43 #include "ethdev_profile.h"
  44
  45 static int ethdev_logtype;
  46
  47 #define ethdev_log(level, fmt, ...) \
  48         rte_log(RTE_LOG_ ## level, ethdev_logtype, fmt "\n", ## __VA_ARGS__)
  49
  50 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  51 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  52 static uint8_t eth_dev_last_created_port;
  53
  54 /* spinlock for eth device callbacks */
  55 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove rx callbacks */
  58 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for add/remove tx callbacks */
  61 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* spinlock for shared data allocation */
  64 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  65
  66 /* store statistics names and its offset in stats structure  */
  67 struct rte_eth_xstats_name_off {
  68         char name[RTE_ETH_XSTATS_NAME_SIZE];
  69         unsigned offset;
  70 };
  71
  72 /* Shared memory between primary and secondary processes. */
  73 static struct {
  74         uint64_t next_owner_id;
  75         rte_spinlock_t ownership_lock;
  76         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  77 } *rte_eth_dev_shared_data;
  78
  79 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  80         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  81         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  82         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  83         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  84         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  85         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  86         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  87         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  88                 rx_nombuf)},
  89 };
  90
  91 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  92
  93 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  94         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  95         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  96         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  97 };
  98
  99 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 100                 sizeof(rte_rxq_stats_strings[0]))
 101
 102 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 103         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 104         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 105 };
 106 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 107                 sizeof(rte_txq_stats_strings[0]))
 108
 109 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 110         { DEV_RX_OFFLOAD_##_name, #_name }
 111
 112 static const struct {
 113         uint64_t offload;
 114         const char *name;
 115 } rte_rx_offload_names[] = {
 116         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 117         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 121         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 123         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 124         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 126         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 127         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 128         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 129         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 130         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 131         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161 };
 162
 163 #undef RTE_TX_OFFLOAD_BIT2STR
 164
 165 /**
 166  * The user application callback description.
 167  *
 168  * It contains callback address to be registered by user application,
 169  * the pointer to the parameters for callback, and the event type.
 170  */
 171 struct rte_eth_dev_callback {
 172         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 173         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 174         void *cb_arg;                           /**< Parameter for callback */
 175         void *ret_param;                        /**< Return parameter */
 176         enum rte_eth_event_type event;          /**< Interrupt event type */
 177         uint32_t active;                        /**< Callback is executing */
 178 };
 179
 180 enum {
 181         STAT_QMAP_TX = 0,
 182         STAT_QMAP_RX
 183 };
 184
 185 uint16_t
 186 rte_eth_find_next(uint16_t port_id)
 187 {
 188         while (port_id < RTE_MAX_ETHPORTS &&
 189                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 190                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 191                 port_id++;
 192
 193         if (port_id >= RTE_MAX_ETHPORTS)
 194                 return RTE_MAX_ETHPORTS;
 195
 196         return port_id;
 197 }
 198
 199 static void
 200 rte_eth_dev_shared_data_prepare(void)
 201 {
 202         const unsigned flags = 0;
 203         const struct rte_memzone *mz;
 204
 205         rte_spinlock_lock(&rte_eth_shared_data_lock);
 206
 207         if (rte_eth_dev_shared_data == NULL) {
 208                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 209                         /* Allocate port data and ownership shared memory. */
 210                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 211                                         sizeof(*rte_eth_dev_shared_data),
 212                                         rte_socket_id(), flags);
 213                 } else
 214                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 215                 if (mz == NULL)
 216                         rte_panic("Cannot allocate ethdev shared data\n");
 217
 218                 rte_eth_dev_shared_data = mz->addr;
 219                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 220                         rte_eth_dev_shared_data->next_owner_id =
 221                                         RTE_ETH_DEV_NO_OWNER + 1;
 222                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 223                         memset(rte_eth_dev_shared_data->data, 0,
 224                                sizeof(rte_eth_dev_shared_data->data));
 225                 }
 226         }
 227
 228         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 229 }
 230
 231 static bool
 232 is_allocated(const struct rte_eth_dev *ethdev)
 233 {
 234         return ethdev->data->name[0] != '\0';
 235 }
 236
 237 static struct rte_eth_dev *
 238 _rte_eth_dev_allocated(const char *name)
 239 {
 240         unsigned i;
 241
 242         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 243                 if ((rte_eth_devices[i].state == RTE_ETH_DEV_ATTACHED) &&
 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         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 289
 290         eth_dev_last_created_port = port_id;
 291
 292         return eth_dev;
 293 }
 294
 295 struct rte_eth_dev *
 296 rte_eth_dev_allocate(const char *name)
 297 {
 298         uint16_t port_id;
 299         struct rte_eth_dev *eth_dev = NULL;
 300
 301         rte_eth_dev_shared_data_prepare();
 302
 303         /* Synchronize port creation between primary and secondary threads. */
 304         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 305
 306         port_id = rte_eth_dev_find_free_port();
 307         if (port_id == RTE_MAX_ETHPORTS) {
 308                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 309                 goto unlock;
 310         }
 311
 312         if (_rte_eth_dev_allocated(name) != NULL) {
 313                 ethdev_log(ERR,
 314                         "Ethernet Device with name %s already allocated!",
 315                         name);
 316                 goto unlock;
 317         }
 318
 319         eth_dev = eth_dev_get(port_id);
 320         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 321         eth_dev->data->port_id = port_id;
 322         eth_dev->data->mtu = ETHER_MTU;
 323
 324 unlock:
 325         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 326
 327         if (eth_dev != NULL)
 328                 _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_NEW, NULL);
 329
 330         return eth_dev;
 331 }
 332
 333 /*
 334  * Attach to a port already registered by the primary process, which
 335  * makes sure that the same device would have the same port id both
 336  * in the primary and secondary process.
 337  */
 338 struct rte_eth_dev *
 339 rte_eth_dev_attach_secondary(const char *name)
 340 {
 341         uint16_t i;
 342         struct rte_eth_dev *eth_dev = NULL;
 343
 344         rte_eth_dev_shared_data_prepare();
 345
 346         /* Synchronize port attachment to primary port creation and release. */
 347         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 348
 349         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 350                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 351                         break;
 352         }
 353         if (i == RTE_MAX_ETHPORTS) {
 354                 RTE_PMD_DEBUG_TRACE(
 355                         "device %s is not driven by the primary process\n",
 356                         name);
 357         } else {
 358                 eth_dev = eth_dev_get(i);
 359                 RTE_ASSERT(eth_dev->data->port_id == i);
 360         }
 361
 362         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 363         return eth_dev;
 364 }
 365
 366 int
 367 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 368 {
 369         if (eth_dev == NULL)
 370                 return -EINVAL;
 371
 372         rte_eth_dev_shared_data_prepare();
 373
 374         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 375
 376         eth_dev->state = RTE_ETH_DEV_UNUSED;
 377
 378         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 379
 380         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 381
 382         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 383
 384         return 0;
 385 }
 386
 387 int
 388 rte_eth_dev_is_valid_port(uint16_t port_id)
 389 {
 390         if (port_id >= RTE_MAX_ETHPORTS ||
 391             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 392                 return 0;
 393         else
 394                 return 1;
 395 }
 396
 397 static int
 398 rte_eth_is_valid_owner_id(uint64_t owner_id)
 399 {
 400         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 401             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 402                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016"PRIX64".\n", owner_id);
 403                 return 0;
 404         }
 405         return 1;
 406 }
 407
 408 uint64_t
 409 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 410 {
 411         while (port_id < RTE_MAX_ETHPORTS &&
 412                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 413                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 414                rte_eth_devices[port_id].data->owner.id != owner_id))
 415                 port_id++;
 416
 417         if (port_id >= RTE_MAX_ETHPORTS)
 418                 return RTE_MAX_ETHPORTS;
 419
 420         return port_id;
 421 }
 422
 423 int __rte_experimental
 424 rte_eth_dev_owner_new(uint64_t *owner_id)
 425 {
 426         rte_eth_dev_shared_data_prepare();
 427
 428         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 429
 430         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 431
 432         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 433         return 0;
 434 }
 435
 436 static int
 437 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 438                        const struct rte_eth_dev_owner *new_owner)
 439 {
 440         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 441         struct rte_eth_dev_owner *port_owner;
 442         int sret;
 443
 444         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 445                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 446                 return -ENODEV;
 447         }
 448
 449         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 450             !rte_eth_is_valid_owner_id(old_owner_id))
 451                 return -EINVAL;
 452
 453         port_owner = &rte_eth_devices[port_id].data->owner;
 454         if (port_owner->id != old_owner_id) {
 455                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 456                                     " by %s_%016"PRIX64".\n", port_id,
 457                                     port_owner->name, port_owner->id);
 458                 return -EPERM;
 459         }
 460
 461         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 462                         new_owner->name);
 463         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 464                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 465                                     port_id);
 466
 467         port_owner->id = new_owner->id;
 468
 469         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016"PRIX64".\n", port_id,
 470                             new_owner->name, new_owner->id);
 471
 472         return 0;
 473 }
 474
 475 int __rte_experimental
 476 rte_eth_dev_owner_set(const uint16_t port_id,
 477                       const struct rte_eth_dev_owner *owner)
 478 {
 479         int ret;
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 484
 485         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 486
 487         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 488         return ret;
 489 }
 490
 491 int __rte_experimental
 492 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 493 {
 494         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 495                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 496         int ret;
 497
 498         rte_eth_dev_shared_data_prepare();
 499
 500         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 501
 502         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 503
 504         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 505         return ret;
 506 }
 507
 508 void __rte_experimental
 509 rte_eth_dev_owner_delete(const uint64_t owner_id)
 510 {
 511         uint16_t port_id;
 512
 513         rte_eth_dev_shared_data_prepare();
 514
 515         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 516
 517         if (rte_eth_is_valid_owner_id(owner_id)) {
 518                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 519                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 520                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 521                                        sizeof(struct rte_eth_dev_owner));
 522                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64
 523                                 " identifier have removed.\n", owner_id);
 524         }
 525
 526         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 527 }
 528
 529 int __rte_experimental
 530 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 531 {
 532         int ret = 0;
 533         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 534
 535         rte_eth_dev_shared_data_prepare();
 536
 537         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 538
 539         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 540                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 541                 ret = -ENODEV;
 542         } else {
 543                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 544         }
 545
 546         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 547         return ret;
 548 }
 549
 550 int
 551 rte_eth_dev_socket_id(uint16_t port_id)
 552 {
 553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 554         return rte_eth_devices[port_id].data->numa_node;
 555 }
 556
 557 void *
 558 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 559 {
 560         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 561         return rte_eth_devices[port_id].security_ctx;
 562 }
 563
 564 uint16_t
 565 rte_eth_dev_count(void)
 566 {
 567         return rte_eth_dev_count_avail();
 568 }
 569
 570 uint16_t
 571 rte_eth_dev_count_avail(void)
 572 {
 573         uint16_t p;
 574         uint16_t count;
 575
 576         count = 0;
 577
 578         RTE_ETH_FOREACH_DEV(p)
 579                 count++;
 580
 581         return count;
 582 }
 583
 584 uint16_t __rte_experimental
 585 rte_eth_dev_count_total(void)
 586 {
 587         uint16_t port, count = 0;
 588
 589         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 590                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 591                         count++;
 592
 593         return count;
 594 }
 595
 596 int
 597 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 598 {
 599         char *tmp;
 600
 601         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 602
 603         if (name == NULL) {
 604                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 605                 return -EINVAL;
 606         }
 607
 608         /* shouldn't check 'rte_eth_devices[i].data',
 609          * because it might be overwritten by VDEV PMD */
 610         tmp = rte_eth_dev_shared_data->data[port_id].name;
 611         strcpy(name, tmp);
 612         return 0;
 613 }
 614
 615 int
 616 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 617 {
 618         uint32_t pid;
 619
 620         if (name == NULL) {
 621                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 622                 return -EINVAL;
 623         }
 624
 625         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 626                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 627                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 628                         *port_id = pid;
 629                         return 0;
 630                 }
 631         }
 632
 633         return -ENODEV;
 634 }
 635
 636 static int
 637 eth_err(uint16_t port_id, int ret)
 638 {
 639         if (ret == 0)
 640                 return 0;
 641         if (rte_eth_dev_is_removed(port_id))
 642                 return -EIO;
 643         return ret;
 644 }
 645
 646 /* attach the new device, then store port_id of the device */
 647 int
 648 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 649 {
 650         int current = rte_eth_dev_count_total();
 651         struct rte_devargs da;
 652         int ret = -1;
 653
 654         memset(&da, 0, sizeof(da));
 655
 656         if ((devargs == NULL) || (port_id == NULL)) {
 657                 ret = -EINVAL;
 658                 goto err;
 659         }
 660
 661         /* parse devargs */
 662         if (rte_devargs_parse(&da, "%s", devargs))
 663                 goto err;
 664
 665         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 666         if (ret < 0)
 667                 goto err;
 668
 669         /* no point looking at the port count if no port exists */
 670         if (!rte_eth_dev_count_total()) {
 671                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 672                 ret = -1;
 673                 goto err;
 674         }
 675
 676         /* if nothing happened, there is a bug here, since some driver told us
 677          * it did attach a device, but did not create a port.
 678          * FIXME: race condition in case of plug-out of another device
 679          */
 680         if (current == rte_eth_dev_count_total()) {
 681                 ret = -1;
 682                 goto err;
 683         }
 684
 685         *port_id = eth_dev_last_created_port;
 686         ret = 0;
 687
 688 err:
 689         free(da.args);
 690         return ret;
 691 }
 692
 693 /* detach the device, then store the name of the device */
 694 int
 695 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 696 {
 697         struct rte_device *dev;
 698         struct rte_bus *bus;
 699         uint32_t dev_flags;
 700         int ret = -1;
 701
 702         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 703
 704         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 705         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 706                 ethdev_log(ERR,
 707                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 708                 return -ENOTSUP;
 709         }
 710
 711         dev = rte_eth_devices[port_id].device;
 712         if (dev == NULL)
 713                 return -EINVAL;
 714
 715         bus = rte_bus_find_by_device(dev);
 716         if (bus == NULL)
 717                 return -ENOENT;
 718
 719         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 720         if (ret < 0)
 721                 return ret;
 722
 723         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 724         return 0;
 725 }
 726
 727 static int
 728 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 729 {
 730         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 731         void **rxq;
 732         unsigned i;
 733
 734         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 735                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 736                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 737                                 RTE_CACHE_LINE_SIZE);
 738                 if (dev->data->rx_queues == NULL) {
 739                         dev->data->nb_rx_queues = 0;
 740                         return -(ENOMEM);
 741                 }
 742         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 743                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 744
 745                 rxq = dev->data->rx_queues;
 746
 747                 for (i = nb_queues; i < old_nb_queues; i++)
 748                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 749                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 750                                 RTE_CACHE_LINE_SIZE);
 751                 if (rxq == NULL)
 752                         return -(ENOMEM);
 753                 if (nb_queues > old_nb_queues) {
 754                         uint16_t new_qs = nb_queues - old_nb_queues;
 755
 756                         memset(rxq + old_nb_queues, 0,
 757                                 sizeof(rxq[0]) * new_qs);
 758                 }
 759
 760                 dev->data->rx_queues = rxq;
 761
 762         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 763                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 764
 765                 rxq = dev->data->rx_queues;
 766
 767                 for (i = nb_queues; i < old_nb_queues; i++)
 768                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 769
 770                 rte_free(dev->data->rx_queues);
 771                 dev->data->rx_queues = NULL;
 772         }
 773         dev->data->nb_rx_queues = nb_queues;
 774         return 0;
 775 }
 776
 777 int
 778 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 779 {
 780         struct rte_eth_dev *dev;
 781
 782         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 783
 784         dev = &rte_eth_devices[port_id];
 785         if (!dev->data->dev_started) {
 786                 RTE_PMD_DEBUG_TRACE(
 787                     "port %d must be started before start any queue\n", port_id);
 788                 return -EINVAL;
 789         }
 790
 791         if (rx_queue_id >= dev->data->nb_rx_queues) {
 792                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 793                 return -EINVAL;
 794         }
 795
 796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 797
 798         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 799                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 800                         " already started\n",
 801                         rx_queue_id, port_id);
 802                 return 0;
 803         }
 804
 805         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 806                                                              rx_queue_id));
 807
 808 }
 809
 810 int
 811 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 812 {
 813         struct rte_eth_dev *dev;
 814
 815         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 816
 817         dev = &rte_eth_devices[port_id];
 818         if (rx_queue_id >= dev->data->nb_rx_queues) {
 819                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 820                 return -EINVAL;
 821         }
 822
 823         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 824
 825         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 826                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 827                         " already stopped\n",
 828                         rx_queue_id, port_id);
 829                 return 0;
 830         }
 831
 832         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 833
 834 }
 835
 836 int
 837 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 838 {
 839         struct rte_eth_dev *dev;
 840
 841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 842
 843         dev = &rte_eth_devices[port_id];
 844         if (!dev->data->dev_started) {
 845                 RTE_PMD_DEBUG_TRACE(
 846                     "port %d must be started before start any queue\n", port_id);
 847                 return -EINVAL;
 848         }
 849
 850         if (tx_queue_id >= dev->data->nb_tx_queues) {
 851                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 852                 return -EINVAL;
 853         }
 854
 855         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 856
 857         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 858                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 859                         " already started\n",
 860                         tx_queue_id, port_id);
 861                 return 0;
 862         }
 863
 864         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 865                                                              tx_queue_id));
 866
 867 }
 868
 869 int
 870 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 871 {
 872         struct rte_eth_dev *dev;
 873
 874         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 875
 876         dev = &rte_eth_devices[port_id];
 877         if (tx_queue_id >= dev->data->nb_tx_queues) {
 878                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 879                 return -EINVAL;
 880         }
 881
 882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 883
 884         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 885                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 886                         " already stopped\n",
 887                         tx_queue_id, port_id);
 888                 return 0;
 889         }
 890
 891         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 892
 893 }
 894
 895 static int
 896 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 897 {
 898         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 899         void **txq;
 900         unsigned i;
 901
 902         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 903                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 904                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 905                                                    RTE_CACHE_LINE_SIZE);
 906                 if (dev->data->tx_queues == NULL) {
 907                         dev->data->nb_tx_queues = 0;
 908                         return -(ENOMEM);
 909                 }
 910         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 911                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 912
 913                 txq = dev->data->tx_queues;
 914
 915                 for (i = nb_queues; i < old_nb_queues; i++)
 916                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 917                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 918                                   RTE_CACHE_LINE_SIZE);
 919                 if (txq == NULL)
 920                         return -ENOMEM;
 921                 if (nb_queues > old_nb_queues) {
 922                         uint16_t new_qs = nb_queues - old_nb_queues;
 923
 924                         memset(txq + old_nb_queues, 0,
 925                                sizeof(txq[0]) * new_qs);
 926                 }
 927
 928                 dev->data->tx_queues = txq;
 929
 930         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 931                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 932
 933                 txq = dev->data->tx_queues;
 934
 935                 for (i = nb_queues; i < old_nb_queues; i++)
 936                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 937
 938                 rte_free(dev->data->tx_queues);
 939                 dev->data->tx_queues = NULL;
 940         }
 941         dev->data->nb_tx_queues = nb_queues;
 942         return 0;
 943 }
 944
 945 uint32_t
 946 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 947 {
 948         switch (speed) {
 949         case ETH_SPEED_NUM_10M:
 950                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 951         case ETH_SPEED_NUM_100M:
 952                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 953         case ETH_SPEED_NUM_1G:
 954                 return ETH_LINK_SPEED_1G;
 955         case ETH_SPEED_NUM_2_5G:
 956                 return ETH_LINK_SPEED_2_5G;
 957         case ETH_SPEED_NUM_5G:
 958                 return ETH_LINK_SPEED_5G;
 959         case ETH_SPEED_NUM_10G:
 960                 return ETH_LINK_SPEED_10G;
 961         case ETH_SPEED_NUM_20G:
 962                 return ETH_LINK_SPEED_20G;
 963         case ETH_SPEED_NUM_25G:
 964                 return ETH_LINK_SPEED_25G;
 965         case ETH_SPEED_NUM_40G:
 966                 return ETH_LINK_SPEED_40G;
 967         case ETH_SPEED_NUM_50G:
 968                 return ETH_LINK_SPEED_50G;
 969         case ETH_SPEED_NUM_56G:
 970                 return ETH_LINK_SPEED_56G;
 971         case ETH_SPEED_NUM_100G:
 972                 return ETH_LINK_SPEED_100G;
 973         default:
 974                 return 0;
 975         }
 976 }
 977
 978 /**
 979  * A conversion function from rxmode bitfield API.
 980  */
 981 static void
 982 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 983                                     uint64_t *rx_offloads)
 984 {
 985         uint64_t offloads = 0;
 986
 987         if (rxmode->header_split == 1)
 988                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 989         if (rxmode->hw_ip_checksum == 1)
 990                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 991         if (rxmode->hw_vlan_filter == 1)
 992                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 993         if (rxmode->hw_vlan_strip == 1)
 994                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 995         if (rxmode->hw_vlan_extend == 1)
 996                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 997         if (rxmode->jumbo_frame == 1)
 998                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 999         if (rxmode->hw_strip_crc == 1)
1000                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
1001         if (rxmode->enable_scatter == 1)
1002                 offloads |= DEV_RX_OFFLOAD_SCATTER;
1003         if (rxmode->enable_lro == 1)
1004                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1005         if (rxmode->hw_timestamp == 1)
1006                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1007         if (rxmode->security == 1)
1008                 offloads |= DEV_RX_OFFLOAD_SECURITY;
1009
1010         *rx_offloads = offloads;
1011 }
1012
1013 const char * __rte_experimental
1014 rte_eth_dev_rx_offload_name(uint64_t offload)
1015 {
1016         const char *name = "UNKNOWN";
1017         unsigned int i;
1018
1019         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1020                 if (offload == rte_rx_offload_names[i].offload) {
1021                         name = rte_rx_offload_names[i].name;
1022                         break;
1023                 }
1024         }
1025
1026         return name;
1027 }
1028
1029 const char * __rte_experimental
1030 rte_eth_dev_tx_offload_name(uint64_t offload)
1031 {
1032         const char *name = "UNKNOWN";
1033         unsigned int i;
1034
1035         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1036                 if (offload == rte_tx_offload_names[i].offload) {
1037                         name = rte_tx_offload_names[i].name;
1038                         break;
1039                 }
1040         }
1041
1042         return name;
1043 }
1044
1045 int
1046 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1047                       const struct rte_eth_conf *dev_conf)
1048 {
1049         struct rte_eth_dev *dev;
1050         struct rte_eth_dev_info dev_info;
1051         struct rte_eth_conf local_conf = *dev_conf;
1052         int diag;
1053
1054         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1055
1056         dev = &rte_eth_devices[port_id];
1057
1058         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1059         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1060
1061         rte_eth_dev_info_get(port_id, &dev_info);
1062
1063         /* If number of queues specified by application for both Rx and Tx is
1064          * zero, use driver preferred values. This cannot be done individually
1065          * as it is valid for either Tx or Rx (but not both) to be zero.
1066          * If driver does not provide any preferred valued, fall back on
1067          * EAL defaults.
1068          */
1069         if (nb_rx_q == 0 && nb_tx_q == 0) {
1070                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1071                 if (nb_rx_q == 0)
1072                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1073                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1074                 if (nb_tx_q == 0)
1075                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1076         }
1077
1078         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1079                 RTE_PMD_DEBUG_TRACE(
1080                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1081                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1082                 return -EINVAL;
1083         }
1084
1085         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1086                 RTE_PMD_DEBUG_TRACE(
1087                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1088                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1089                 return -EINVAL;
1090         }
1091
1092         if (dev->data->dev_started) {
1093                 RTE_PMD_DEBUG_TRACE(
1094                     "port %d must be stopped to allow configuration\n", port_id);
1095                 return -EBUSY;
1096         }
1097
1098         /*
1099          * Convert between the offloads API to enable PMDs to support
1100          * only one of them.
1101          */
1102         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1103                 rte_eth_convert_rx_offload_bitfield(
1104                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1105
1106         /* Copy the dev_conf parameter into the dev structure */
1107         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1108
1109         /*
1110          * Check that the numbers of RX and TX queues are not greater
1111          * than the maximum number of RX and TX queues supported by the
1112          * configured device.
1113          */
1114         if (nb_rx_q > dev_info.max_rx_queues) {
1115                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1116                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1117                 return -EINVAL;
1118         }
1119
1120         if (nb_tx_q > dev_info.max_tx_queues) {
1121                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1122                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1123                 return -EINVAL;
1124         }
1125
1126         /* Check that the device supports requested interrupts */
1127         if ((dev_conf->intr_conf.lsc == 1) &&
1128                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1129                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1130                                         dev->device->driver->name);
1131                         return -EINVAL;
1132         }
1133         if ((dev_conf->intr_conf.rmv == 1) &&
1134             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1135                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1136                                     dev->device->driver->name);
1137                 return -EINVAL;
1138         }
1139
1140         /*
1141          * If jumbo frames are enabled, check that the maximum RX packet
1142          * length is supported by the configured device.
1143          */
1144         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1145                 if (dev_conf->rxmode.max_rx_pkt_len >
1146                     dev_info.max_rx_pktlen) {
1147                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1148                                 " > max valid value %u\n",
1149                                 port_id,
1150                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1151                                 (unsigned)dev_info.max_rx_pktlen);
1152                         return -EINVAL;
1153                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1154                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1155                                 " < min valid value %u\n",
1156                                 port_id,
1157                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1158                                 (unsigned)ETHER_MIN_LEN);
1159                         return -EINVAL;
1160                 }
1161         } else {
1162                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1163                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1164                         /* Use default value */
1165                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1166                                                         ETHER_MAX_LEN;
1167         }
1168
1169         /* Any requested offloading must be within its device capabilities */
1170         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1171              local_conf.rxmode.offloads) {
1172                 ethdev_log(ERR, "ethdev port_id=%d requested Rx offloads "
1173                                 "0x%" PRIx64 " doesn't match Rx offloads "
1174                                 "capabilities 0x%" PRIx64 " in %s()\n",
1175                                 port_id,
1176                                 local_conf.rxmode.offloads,
1177                                 dev_info.rx_offload_capa,
1178                                 __func__);
1179                 /* Will return -EINVAL in the next release */
1180         }
1181         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1182              local_conf.txmode.offloads) {
1183                 ethdev_log(ERR, "ethdev port_id=%d requested Tx offloads "
1184                                 "0x%" PRIx64 " doesn't match Tx offloads "
1185                                 "capabilities 0x%" PRIx64 " in %s()\n",
1186                                 port_id,
1187                                 local_conf.txmode.offloads,
1188                                 dev_info.tx_offload_capa,
1189                                 __func__);
1190                 /* Will return -EINVAL in the next release */
1191         }
1192
1193         /* Check that device supports requested rss hash functions. */
1194         if ((dev_info.flow_type_rss_offloads |
1195              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1196             dev_info.flow_type_rss_offloads) {
1197                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1198                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1199                                     port_id,
1200                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1201                                     dev_info.flow_type_rss_offloads);
1202         }
1203
1204         /*
1205          * Setup new number of RX/TX queues and reconfigure device.
1206          */
1207         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1208         if (diag != 0) {
1209                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1210                                 port_id, diag);
1211                 return diag;
1212         }
1213
1214         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1215         if (diag != 0) {
1216                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1217                                 port_id, diag);
1218                 rte_eth_dev_rx_queue_config(dev, 0);
1219                 return diag;
1220         }
1221
1222         diag = (*dev->dev_ops->dev_configure)(dev);
1223         if (diag != 0) {
1224                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1225                                 port_id, diag);
1226                 rte_eth_dev_rx_queue_config(dev, 0);
1227                 rte_eth_dev_tx_queue_config(dev, 0);
1228                 return eth_err(port_id, diag);
1229         }
1230
1231         /* Initialize Rx profiling if enabled at compilation time. */
1232         diag = __rte_eth_profile_rx_init(port_id, dev);
1233         if (diag != 0) {
1234                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1235                                 port_id, diag);
1236                 rte_eth_dev_rx_queue_config(dev, 0);
1237                 rte_eth_dev_tx_queue_config(dev, 0);
1238                 return eth_err(port_id, diag);
1239         }
1240
1241         return 0;
1242 }
1243
1244 void
1245 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1246 {
1247         if (dev->data->dev_started) {
1248                 RTE_PMD_DEBUG_TRACE(
1249                         "port %d must be stopped to allow reset\n",
1250                         dev->data->port_id);
1251                 return;
1252         }
1253
1254         rte_eth_dev_rx_queue_config(dev, 0);
1255         rte_eth_dev_tx_queue_config(dev, 0);
1256
1257         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1258 }
1259
1260 static void
1261 rte_eth_dev_config_restore(uint16_t port_id)
1262 {
1263         struct rte_eth_dev *dev;
1264         struct rte_eth_dev_info dev_info;
1265         struct ether_addr *addr;
1266         uint16_t i;
1267         uint32_t pool = 0;
1268         uint64_t pool_mask;
1269
1270         dev = &rte_eth_devices[port_id];
1271
1272         rte_eth_dev_info_get(port_id, &dev_info);
1273
1274         /* replay MAC address configuration including default MAC */
1275         addr = &dev->data->mac_addrs[0];
1276         if (*dev->dev_ops->mac_addr_set != NULL)
1277                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1278         else if (*dev->dev_ops->mac_addr_add != NULL)
1279                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1280
1281         if (*dev->dev_ops->mac_addr_add != NULL) {
1282                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1283                         addr = &dev->data->mac_addrs[i];
1284
1285                         /* skip zero address */
1286                         if (is_zero_ether_addr(addr))
1287                                 continue;
1288
1289                         pool = 0;
1290                         pool_mask = dev->data->mac_pool_sel[i];
1291
1292                         do {
1293                                 if (pool_mask & 1ULL)
1294                                         (*dev->dev_ops->mac_addr_add)(dev,
1295                                                 addr, i, pool);
1296                                 pool_mask >>= 1;
1297                                 pool++;
1298                         } while (pool_mask);
1299                 }
1300         }
1301
1302         /* replay promiscuous configuration */
1303         if (rte_eth_promiscuous_get(port_id) == 1)
1304                 rte_eth_promiscuous_enable(port_id);
1305         else if (rte_eth_promiscuous_get(port_id) == 0)
1306                 rte_eth_promiscuous_disable(port_id);
1307
1308         /* replay all multicast configuration */
1309         if (rte_eth_allmulticast_get(port_id) == 1)
1310                 rte_eth_allmulticast_enable(port_id);
1311         else if (rte_eth_allmulticast_get(port_id) == 0)
1312                 rte_eth_allmulticast_disable(port_id);
1313 }
1314
1315 int
1316 rte_eth_dev_start(uint16_t port_id)
1317 {
1318         struct rte_eth_dev *dev;
1319         int diag;
1320
1321         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1322
1323         dev = &rte_eth_devices[port_id];
1324
1325         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1326
1327         if (dev->data->dev_started != 0) {
1328                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1329                         " already started\n",
1330                         port_id);
1331                 return 0;
1332         }
1333
1334         diag = (*dev->dev_ops->dev_start)(dev);
1335         if (diag == 0)
1336                 dev->data->dev_started = 1;
1337         else
1338                 return eth_err(port_id, diag);
1339
1340         rte_eth_dev_config_restore(port_id);
1341
1342         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1343                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1344                 (*dev->dev_ops->link_update)(dev, 0);
1345         }
1346         return 0;
1347 }
1348
1349 void
1350 rte_eth_dev_stop(uint16_t port_id)
1351 {
1352         struct rte_eth_dev *dev;
1353
1354         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1355         dev = &rte_eth_devices[port_id];
1356
1357         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1358
1359         if (dev->data->dev_started == 0) {
1360                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1361                         " already stopped\n",
1362                         port_id);
1363                 return;
1364         }
1365
1366         dev->data->dev_started = 0;
1367         (*dev->dev_ops->dev_stop)(dev);
1368 }
1369
1370 int
1371 rte_eth_dev_set_link_up(uint16_t port_id)
1372 {
1373         struct rte_eth_dev *dev;
1374
1375         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1376
1377         dev = &rte_eth_devices[port_id];
1378
1379         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1380         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1381 }
1382
1383 int
1384 rte_eth_dev_set_link_down(uint16_t port_id)
1385 {
1386         struct rte_eth_dev *dev;
1387
1388         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1389
1390         dev = &rte_eth_devices[port_id];
1391
1392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1393         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1394 }
1395
1396 void
1397 rte_eth_dev_close(uint16_t port_id)
1398 {
1399         struct rte_eth_dev *dev;
1400
1401         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1402         dev = &rte_eth_devices[port_id];
1403
1404         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1405         dev->data->dev_started = 0;
1406         (*dev->dev_ops->dev_close)(dev);
1407
1408         dev->data->nb_rx_queues = 0;
1409         rte_free(dev->data->rx_queues);
1410         dev->data->rx_queues = NULL;
1411         dev->data->nb_tx_queues = 0;
1412         rte_free(dev->data->tx_queues);
1413         dev->data->tx_queues = NULL;
1414 }
1415
1416 int
1417 rte_eth_dev_reset(uint16_t port_id)
1418 {
1419         struct rte_eth_dev *dev;
1420         int ret;
1421
1422         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1423         dev = &rte_eth_devices[port_id];
1424
1425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1426
1427         rte_eth_dev_stop(port_id);
1428         ret = dev->dev_ops->dev_reset(dev);
1429
1430         return eth_err(port_id, ret);
1431 }
1432
1433 int __rte_experimental
1434 rte_eth_dev_is_removed(uint16_t port_id)
1435 {
1436         struct rte_eth_dev *dev;
1437         int ret;
1438
1439         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1440
1441         dev = &rte_eth_devices[port_id];
1442
1443         if (dev->state == RTE_ETH_DEV_REMOVED)
1444                 return 1;
1445
1446         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1447
1448         ret = dev->dev_ops->is_removed(dev);
1449         if (ret != 0)
1450                 /* Device is physically removed. */
1451                 dev->state = RTE_ETH_DEV_REMOVED;
1452
1453         return ret;
1454 }
1455
1456 int
1457 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1458                        uint16_t nb_rx_desc, unsigned int socket_id,
1459                        const struct rte_eth_rxconf *rx_conf,
1460                        struct rte_mempool *mp)
1461 {
1462         int ret;
1463         uint32_t mbp_buf_size;
1464         struct rte_eth_dev *dev;
1465         struct rte_eth_dev_info dev_info;
1466         struct rte_eth_rxconf local_conf;
1467         void **rxq;
1468
1469         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1470
1471         dev = &rte_eth_devices[port_id];
1472         if (rx_queue_id >= dev->data->nb_rx_queues) {
1473                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1474                 return -EINVAL;
1475         }
1476
1477         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1478         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1479
1480         /*
1481          * Check the size of the mbuf data buffer.
1482          * This value must be provided in the private data of the memory pool.
1483          * First check that the memory pool has a valid private data.
1484          */
1485         rte_eth_dev_info_get(port_id, &dev_info);
1486         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1487                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1488                                 mp->name, (int) mp->private_data_size,
1489                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1490                 return -ENOSPC;
1491         }
1492         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1493
1494         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1495                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1496                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1497                                 "=%d)\n",
1498                                 mp->name,
1499                                 (int)mbp_buf_size,
1500                                 (int)(RTE_PKTMBUF_HEADROOM +
1501                                       dev_info.min_rx_bufsize),
1502                                 (int)RTE_PKTMBUF_HEADROOM,
1503                                 (int)dev_info.min_rx_bufsize);
1504                 return -EINVAL;
1505         }
1506
1507         /* Use default specified by driver, if nb_rx_desc is zero */
1508         if (nb_rx_desc == 0) {
1509                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1510                 /* If driver default is also zero, fall back on EAL default */
1511                 if (nb_rx_desc == 0)
1512                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1513         }
1514
1515         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1516                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1517                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1518
1519                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1520                         "should be: <= %hu, = %hu, and a product of %hu\n",
1521                         nb_rx_desc,
1522                         dev_info.rx_desc_lim.nb_max,
1523                         dev_info.rx_desc_lim.nb_min,
1524                         dev_info.rx_desc_lim.nb_align);
1525                 return -EINVAL;
1526         }
1527
1528         if (dev->data->dev_started &&
1529                 !(dev_info.dev_capa &
1530                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1531                 return -EBUSY;
1532
1533         if (dev->data->rx_queue_state[rx_queue_id] !=
1534                 RTE_ETH_QUEUE_STATE_STOPPED)
1535                 return -EBUSY;
1536
1537         rxq = dev->data->rx_queues;
1538         if (rxq[rx_queue_id]) {
1539                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1540                                         -ENOTSUP);
1541                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1542                 rxq[rx_queue_id] = NULL;
1543         }
1544
1545         if (rx_conf == NULL)
1546                 rx_conf = &dev_info.default_rxconf;
1547
1548         local_conf = *rx_conf;
1549         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1550                 /**
1551                  * Reflect port offloads to queue offloads in order for
1552                  * offloads to not be discarded.
1553                  */
1554                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1555                                                     &local_conf.offloads);
1556         }
1557
1558         /*
1559          * If an offloading has already been enabled in
1560          * rte_eth_dev_configure(), it has been enabled on all queues,
1561          * so there is no need to enable it in this queue again.
1562          * The local_conf.offloads input to underlying PMD only carries
1563          * those offloadings which are only enabled on this queue and
1564          * not enabled on all queues.
1565          */
1566         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1567
1568         /*
1569          * New added offloadings for this queue are those not enabled in
1570          * rte_eth_dev_configure() and they must be per-queue type.
1571          * A pure per-port offloading can't be enabled on a queue while
1572          * disabled on another queue. A pure per-port offloading can't
1573          * be enabled for any queue as new added one if it hasn't been
1574          * enabled in rte_eth_dev_configure().
1575          */
1576         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1577              local_conf.offloads) {
1578                 ethdev_log(ERR, "Ethdev port_id=%d rx_queue_id=%d, new "
1579                                 "added offloads 0x%" PRIx64 " must be "
1580                                 "within pre-queue offload capabilities 0x%"
1581                                 PRIx64 " in %s()\n",
1582                                 port_id,
1583                                 rx_queue_id,
1584                                 local_conf.offloads,
1585                                 dev_info.rx_queue_offload_capa,
1586                                 __func__);
1587                 /* Will return -EINVAL in the next release */
1588         }
1589
1590         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1591                                               socket_id, &local_conf, mp);
1592         if (!ret) {
1593                 if (!dev->data->min_rx_buf_size ||
1594                     dev->data->min_rx_buf_size > mbp_buf_size)
1595                         dev->data->min_rx_buf_size = mbp_buf_size;
1596         }
1597
1598         return eth_err(port_id, ret);
1599 }
1600
1601 /**
1602  * Convert from tx offloads to txq_flags.
1603  */
1604 static void
1605 rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t *txq_flags)
1606 {
1607         uint32_t flags = 0;
1608
1609         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1610                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1611         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1612                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1613         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1614                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1615         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1616                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1617         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1618                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1619         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1620                 flags |= ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP;
1621
1622         *txq_flags = flags;
1623 }
1624
1625 /**
1626  * A conversion function from txq_flags API.
1627  */
1628 static void
1629 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1630 {
1631         uint64_t offloads = 0;
1632
1633         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1634                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1635         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1636                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1637         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1638                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1639         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1640                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1641         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1642                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1643         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1644             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1645                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1646
1647         *tx_offloads = offloads;
1648 }
1649
1650 int
1651 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1652                        uint16_t nb_tx_desc, unsigned int socket_id,
1653                        const struct rte_eth_txconf *tx_conf)
1654 {
1655         struct rte_eth_dev *dev;
1656         struct rte_eth_dev_info dev_info;
1657         struct rte_eth_txconf local_conf;
1658         void **txq;
1659
1660         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1661
1662         dev = &rte_eth_devices[port_id];
1663         if (tx_queue_id >= dev->data->nb_tx_queues) {
1664                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1665                 return -EINVAL;
1666         }
1667
1668         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1669         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1670
1671         rte_eth_dev_info_get(port_id, &dev_info);
1672
1673         /* Use default specified by driver, if nb_tx_desc is zero */
1674         if (nb_tx_desc == 0) {
1675                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1676                 /* If driver default is zero, fall back on EAL default */
1677                 if (nb_tx_desc == 0)
1678                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1679         }
1680         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1681             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1682             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1683                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1684                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1685                                 nb_tx_desc,
1686                                 dev_info.tx_desc_lim.nb_max,
1687                                 dev_info.tx_desc_lim.nb_min,
1688                                 dev_info.tx_desc_lim.nb_align);
1689                 return -EINVAL;
1690         }
1691
1692         if (dev->data->dev_started &&
1693                 !(dev_info.dev_capa &
1694                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1695                 return -EBUSY;
1696
1697         if (dev->data->tx_queue_state[tx_queue_id] !=
1698                 RTE_ETH_QUEUE_STATE_STOPPED)
1699                 return -EBUSY;
1700
1701         txq = dev->data->tx_queues;
1702         if (txq[tx_queue_id]) {
1703                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1704                                         -ENOTSUP);
1705                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1706                 txq[tx_queue_id] = NULL;
1707         }
1708
1709         if (tx_conf == NULL)
1710                 tx_conf = &dev_info.default_txconf;
1711
1712         /*
1713          * Convert between the offloads API to enable PMDs to support
1714          * only one of them.
1715          */
1716         local_conf = *tx_conf;
1717         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1718                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1719                                           &local_conf.offloads);
1720         }
1721
1722         /*
1723          * If an offloading has already been enabled in
1724          * rte_eth_dev_configure(), it has been enabled on all queues,
1725          * so there is no need to enable it in this queue again.
1726          * The local_conf.offloads input to underlying PMD only carries
1727          * those offloadings which are only enabled on this queue and
1728          * not enabled on all queues.
1729          */
1730         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1731
1732         /*
1733          * New added offloadings for this queue are those not enabled in
1734          * rte_eth_dev_configure() and they must be per-queue type.
1735          * A pure per-port offloading can't be enabled on a queue while
1736          * disabled on another queue. A pure per-port offloading can't
1737          * be enabled for any queue as new added one if it hasn't been
1738          * enabled in rte_eth_dev_configure().
1739          */
1740         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1741              local_conf.offloads) {
1742                 ethdev_log(ERR, "Ethdev port_id=%d tx_queue_id=%d, new "
1743                                 "added offloads 0x%" PRIx64 " must be "
1744                                 "within pre-queue offload capabilities 0x%"
1745                                 PRIx64 " in %s()\n",
1746                                 port_id,
1747                                 tx_queue_id,
1748                                 local_conf.offloads,
1749                                 dev_info.tx_queue_offload_capa,
1750                                 __func__);
1751                 /* Will return -EINVAL in the next release */
1752         }
1753
1754         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1755                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1756 }
1757
1758 void
1759 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1760                 void *userdata __rte_unused)
1761 {
1762         unsigned i;
1763
1764         for (i = 0; i < unsent; i++)
1765                 rte_pktmbuf_free(pkts[i]);
1766 }
1767
1768 void
1769 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1770                 void *userdata)
1771 {
1772         uint64_t *count = userdata;
1773         unsigned i;
1774
1775         for (i = 0; i < unsent; i++)
1776                 rte_pktmbuf_free(pkts[i]);
1777
1778         *count += unsent;
1779 }
1780
1781 int
1782 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1783                 buffer_tx_error_fn cbfn, void *userdata)
1784 {
1785         buffer->error_callback = cbfn;
1786         buffer->error_userdata = userdata;
1787         return 0;
1788 }
1789
1790 int
1791 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1792 {
1793         int ret = 0;
1794
1795         if (buffer == NULL)
1796                 return -EINVAL;
1797
1798         buffer->size = size;
1799         if (buffer->error_callback == NULL) {
1800                 ret = rte_eth_tx_buffer_set_err_callback(
1801                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1802         }
1803
1804         return ret;
1805 }
1806
1807 int
1808 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1809 {
1810         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1811         int ret;
1812
1813         /* Validate Input Data. Bail if not valid or not supported. */
1814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1816
1817         /* Call driver to free pending mbufs. */
1818         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1819                                                free_cnt);
1820         return eth_err(port_id, ret);
1821 }
1822
1823 void
1824 rte_eth_promiscuous_enable(uint16_t port_id)
1825 {
1826         struct rte_eth_dev *dev;
1827
1828         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1829         dev = &rte_eth_devices[port_id];
1830
1831         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1832         (*dev->dev_ops->promiscuous_enable)(dev);
1833         dev->data->promiscuous = 1;
1834 }
1835
1836 void
1837 rte_eth_promiscuous_disable(uint16_t port_id)
1838 {
1839         struct rte_eth_dev *dev;
1840
1841         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1842         dev = &rte_eth_devices[port_id];
1843
1844         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1845         dev->data->promiscuous = 0;
1846         (*dev->dev_ops->promiscuous_disable)(dev);
1847 }
1848
1849 int
1850 rte_eth_promiscuous_get(uint16_t port_id)
1851 {
1852         struct rte_eth_dev *dev;
1853
1854         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1855
1856         dev = &rte_eth_devices[port_id];
1857         return dev->data->promiscuous;
1858 }
1859
1860 void
1861 rte_eth_allmulticast_enable(uint16_t port_id)
1862 {
1863         struct rte_eth_dev *dev;
1864
1865         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1866         dev = &rte_eth_devices[port_id];
1867
1868         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1869         (*dev->dev_ops->allmulticast_enable)(dev);
1870         dev->data->all_multicast = 1;
1871 }
1872
1873 void
1874 rte_eth_allmulticast_disable(uint16_t port_id)
1875 {
1876         struct rte_eth_dev *dev;
1877
1878         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1879         dev = &rte_eth_devices[port_id];
1880
1881         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1882         dev->data->all_multicast = 0;
1883         (*dev->dev_ops->allmulticast_disable)(dev);
1884 }
1885
1886 int
1887 rte_eth_allmulticast_get(uint16_t port_id)
1888 {
1889         struct rte_eth_dev *dev;
1890
1891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1892
1893         dev = &rte_eth_devices[port_id];
1894         return dev->data->all_multicast;
1895 }
1896
1897 void
1898 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1899 {
1900         struct rte_eth_dev *dev;
1901
1902         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1903         dev = &rte_eth_devices[port_id];
1904
1905         if (dev->data->dev_conf.intr_conf.lsc &&
1906             dev->data->dev_started)
1907                 rte_eth_linkstatus_get(dev, eth_link);
1908         else {
1909                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1910                 (*dev->dev_ops->link_update)(dev, 1);
1911                 *eth_link = dev->data->dev_link;
1912         }
1913 }
1914
1915 void
1916 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1917 {
1918         struct rte_eth_dev *dev;
1919
1920         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1921         dev = &rte_eth_devices[port_id];
1922
1923         if (dev->data->dev_conf.intr_conf.lsc &&
1924             dev->data->dev_started)
1925                 rte_eth_linkstatus_get(dev, eth_link);
1926         else {
1927                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1928                 (*dev->dev_ops->link_update)(dev, 0);
1929                 *eth_link = dev->data->dev_link;
1930         }
1931 }
1932
1933 int
1934 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1935 {
1936         struct rte_eth_dev *dev;
1937
1938         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1939
1940         dev = &rte_eth_devices[port_id];
1941         memset(stats, 0, sizeof(*stats));
1942
1943         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1944         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1945         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1946 }
1947
1948 int
1949 rte_eth_stats_reset(uint16_t port_id)
1950 {
1951         struct rte_eth_dev *dev;
1952
1953         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1954         dev = &rte_eth_devices[port_id];
1955
1956         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1957         (*dev->dev_ops->stats_reset)(dev);
1958         dev->data->rx_mbuf_alloc_failed = 0;
1959
1960         return 0;
1961 }
1962
1963 static inline int
1964 get_xstats_basic_count(struct rte_eth_dev *dev)
1965 {
1966         uint16_t nb_rxqs, nb_txqs;
1967         int count;
1968
1969         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1970         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1971
1972         count = RTE_NB_STATS;
1973         count += nb_rxqs * RTE_NB_RXQ_STATS;
1974         count += nb_txqs * RTE_NB_TXQ_STATS;
1975
1976         return count;
1977 }
1978
1979 static int
1980 get_xstats_count(uint16_t port_id)
1981 {
1982         struct rte_eth_dev *dev;
1983         int count;
1984
1985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1986         dev = &rte_eth_devices[port_id];
1987         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1988                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1989                                 NULL, 0);
1990                 if (count < 0)
1991                         return eth_err(port_id, count);
1992         }
1993         if (dev->dev_ops->xstats_get_names != NULL) {
1994                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1995                 if (count < 0)
1996                         return eth_err(port_id, count);
1997         } else
1998                 count = 0;
1999
2000
2001         count += get_xstats_basic_count(dev);
2002
2003         return count;
2004 }
2005
2006 int
2007 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2008                 uint64_t *id)
2009 {
2010         int cnt_xstats, idx_xstat;
2011
2012         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2013
2014         if (!id) {
2015                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
2016                 return -ENOMEM;
2017         }
2018
2019         if (!xstat_name) {
2020                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
2021                 return -ENOMEM;
2022         }
2023
2024         /* Get count */
2025         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2026         if (cnt_xstats  < 0) {
2027                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
2028                 return -ENODEV;
2029         }
2030
2031         /* Get id-name lookup table */
2032         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2033
2034         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2035                         port_id, xstats_names, cnt_xstats, NULL)) {
2036                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
2037                 return -1;
2038         }
2039
2040         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2041                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2042                         *id = idx_xstat;
2043                         return 0;
2044                 };
2045         }
2046
2047         return -EINVAL;
2048 }
2049
2050 /* retrieve basic stats names */
2051 static int
2052 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2053         struct rte_eth_xstat_name *xstats_names)
2054 {
2055         int cnt_used_entries = 0;
2056         uint32_t idx, id_queue;
2057         uint16_t num_q;
2058
2059         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2060                 snprintf(xstats_names[cnt_used_entries].name,
2061                         sizeof(xstats_names[0].name),
2062                         "%s", rte_stats_strings[idx].name);
2063                 cnt_used_entries++;
2064         }
2065         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2066         for (id_queue = 0; id_queue < num_q; id_queue++) {
2067                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2068                         snprintf(xstats_names[cnt_used_entries].name,
2069                                 sizeof(xstats_names[0].name),
2070                                 "rx_q%u%s",
2071                                 id_queue, rte_rxq_stats_strings[idx].name);
2072                         cnt_used_entries++;
2073                 }
2074
2075         }
2076         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2077         for (id_queue = 0; id_queue < num_q; id_queue++) {
2078                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2079                         snprintf(xstats_names[cnt_used_entries].name,
2080                                 sizeof(xstats_names[0].name),
2081                                 "tx_q%u%s",
2082                                 id_queue, rte_txq_stats_strings[idx].name);
2083                         cnt_used_entries++;
2084                 }
2085         }
2086         return cnt_used_entries;
2087 }
2088
2089 /* retrieve ethdev extended statistics names */
2090 int
2091 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2092         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2093         uint64_t *ids)
2094 {
2095         struct rte_eth_xstat_name *xstats_names_copy;
2096         unsigned int no_basic_stat_requested = 1;
2097         unsigned int no_ext_stat_requested = 1;
2098         unsigned int expected_entries;
2099         unsigned int basic_count;
2100         struct rte_eth_dev *dev;
2101         unsigned int i;
2102         int ret;
2103
2104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2105         dev = &rte_eth_devices[port_id];
2106
2107         basic_count = get_xstats_basic_count(dev);
2108         ret = get_xstats_count(port_id);
2109         if (ret < 0)
2110                 return ret;
2111         expected_entries = (unsigned int)ret;
2112
2113         /* Return max number of stats if no ids given */
2114         if (!ids) {
2115                 if (!xstats_names)
2116                         return expected_entries;
2117                 else if (xstats_names && size < expected_entries)
2118                         return expected_entries;
2119         }
2120
2121         if (ids && !xstats_names)
2122                 return -EINVAL;
2123
2124         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2125                 uint64_t ids_copy[size];
2126
2127                 for (i = 0; i < size; i++) {
2128                         if (ids[i] < basic_count) {
2129                                 no_basic_stat_requested = 0;
2130                                 break;
2131                         }
2132
2133                         /*
2134                          * Convert ids to xstats ids that PMD knows.
2135                          * ids known by user are basic + extended stats.
2136                          */
2137                         ids_copy[i] = ids[i] - basic_count;
2138                 }
2139
2140                 if (no_basic_stat_requested)
2141                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2142                                         xstats_names, ids_copy, size);
2143         }
2144
2145         /* Retrieve all stats */
2146         if (!ids) {
2147                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2148                                 expected_entries);
2149                 if (num_stats < 0 || num_stats > (int)expected_entries)
2150                         return num_stats;
2151                 else
2152                         return expected_entries;
2153         }
2154
2155         xstats_names_copy = calloc(expected_entries,
2156                 sizeof(struct rte_eth_xstat_name));
2157
2158         if (!xstats_names_copy) {
2159                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2160                 return -ENOMEM;
2161         }
2162
2163         if (ids) {
2164                 for (i = 0; i < size; i++) {
2165                         if (ids[i] >= basic_count) {
2166                                 no_ext_stat_requested = 0;
2167                                 break;
2168                         }
2169                 }
2170         }
2171
2172         /* Fill xstats_names_copy structure */
2173         if (ids && no_ext_stat_requested) {
2174                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2175         } else {
2176                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2177                         expected_entries);
2178                 if (ret < 0) {
2179                         free(xstats_names_copy);
2180                         return ret;
2181                 }
2182         }
2183
2184         /* Filter stats */
2185         for (i = 0; i < size; i++) {
2186                 if (ids[i] >= expected_entries) {
2187                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2188                         free(xstats_names_copy);
2189                         return -1;
2190                 }
2191                 xstats_names[i] = xstats_names_copy[ids[i]];
2192         }
2193
2194         free(xstats_names_copy);
2195         return size;
2196 }
2197
2198 int
2199 rte_eth_xstats_get_names(uint16_t port_id,
2200         struct rte_eth_xstat_name *xstats_names,
2201         unsigned int size)
2202 {
2203         struct rte_eth_dev *dev;
2204         int cnt_used_entries;
2205         int cnt_expected_entries;
2206         int cnt_driver_entries;
2207
2208         cnt_expected_entries = get_xstats_count(port_id);
2209         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2210                         (int)size < cnt_expected_entries)
2211                 return cnt_expected_entries;
2212
2213         /* port_id checked in get_xstats_count() */
2214         dev = &rte_eth_devices[port_id];
2215
2216         cnt_used_entries = rte_eth_basic_stats_get_names(
2217                 dev, xstats_names);
2218
2219         if (dev->dev_ops->xstats_get_names != NULL) {
2220                 /* If there are any driver-specific xstats, append them
2221                  * to end of list.
2222                  */
2223                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2224                         dev,
2225                         xstats_names + cnt_used_entries,
2226                         size - cnt_used_entries);
2227                 if (cnt_driver_entries < 0)
2228                         return eth_err(port_id, cnt_driver_entries);
2229                 cnt_used_entries += cnt_driver_entries;
2230         }
2231
2232         return cnt_used_entries;
2233 }
2234
2235
2236 static int
2237 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2238 {
2239         struct rte_eth_dev *dev;
2240         struct rte_eth_stats eth_stats;
2241         unsigned int count = 0, i, q;
2242         uint64_t val, *stats_ptr;
2243         uint16_t nb_rxqs, nb_txqs;
2244         int ret;
2245
2246         ret = rte_eth_stats_get(port_id, &eth_stats);
2247         if (ret < 0)
2248                 return ret;
2249
2250         dev = &rte_eth_devices[port_id];
2251
2252         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2253         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2254
2255         /* global stats */
2256         for (i = 0; i < RTE_NB_STATS; i++) {
2257                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2258                                         rte_stats_strings[i].offset);
2259                 val = *stats_ptr;
2260                 xstats[count++].value = val;
2261         }
2262
2263         /* per-rxq stats */
2264         for (q = 0; q < nb_rxqs; q++) {
2265                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2266                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2267                                         rte_rxq_stats_strings[i].offset +
2268                                         q * sizeof(uint64_t));
2269                         val = *stats_ptr;
2270                         xstats[count++].value = val;
2271                 }
2272         }
2273
2274         /* per-txq stats */
2275         for (q = 0; q < nb_txqs; q++) {
2276                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2277                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2278                                         rte_txq_stats_strings[i].offset +
2279                                         q * sizeof(uint64_t));
2280                         val = *stats_ptr;
2281                         xstats[count++].value = val;
2282                 }
2283         }
2284         return count;
2285 }
2286
2287 /* retrieve ethdev extended statistics */
2288 int
2289 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2290                          uint64_t *values, unsigned int size)
2291 {
2292         unsigned int no_basic_stat_requested = 1;
2293         unsigned int no_ext_stat_requested = 1;
2294         unsigned int num_xstats_filled;
2295         unsigned int basic_count;
2296         uint16_t expected_entries;
2297         struct rte_eth_dev *dev;
2298         unsigned int i;
2299         int ret;
2300
2301         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2302         ret = get_xstats_count(port_id);
2303         if (ret < 0)
2304                 return ret;
2305         expected_entries = (uint16_t)ret;
2306         struct rte_eth_xstat xstats[expected_entries];
2307         dev = &rte_eth_devices[port_id];
2308         basic_count = get_xstats_basic_count(dev);
2309
2310         /* Return max number of stats if no ids given */
2311         if (!ids) {
2312                 if (!values)
2313                         return expected_entries;
2314                 else if (values && size < expected_entries)
2315                         return expected_entries;
2316         }
2317
2318         if (ids && !values)
2319                 return -EINVAL;
2320
2321         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2322                 unsigned int basic_count = get_xstats_basic_count(dev);
2323                 uint64_t ids_copy[size];
2324
2325                 for (i = 0; i < size; i++) {
2326                         if (ids[i] < basic_count) {
2327                                 no_basic_stat_requested = 0;
2328                                 break;
2329                         }
2330
2331                         /*
2332                          * Convert ids to xstats ids that PMD knows.
2333                          * ids known by user are basic + extended stats.
2334                          */
2335                         ids_copy[i] = ids[i] - basic_count;
2336                 }
2337
2338                 if (no_basic_stat_requested)
2339                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2340                                         values, size);
2341         }
2342
2343         if (ids) {
2344                 for (i = 0; i < size; i++) {
2345                         if (ids[i] >= basic_count) {
2346                                 no_ext_stat_requested = 0;
2347                                 break;
2348                         }
2349                 }
2350         }
2351
2352         /* Fill the xstats structure */
2353         if (ids && no_ext_stat_requested)
2354                 ret = rte_eth_basic_stats_get(port_id, xstats);
2355         else
2356                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2357
2358         if (ret < 0)
2359                 return ret;
2360         num_xstats_filled = (unsigned int)ret;
2361
2362         /* Return all stats */
2363         if (!ids) {
2364                 for (i = 0; i < num_xstats_filled; i++)
2365                         values[i] = xstats[i].value;
2366                 return expected_entries;
2367         }
2368
2369         /* Filter stats */
2370         for (i = 0; i < size; i++) {
2371                 if (ids[i] >= expected_entries) {
2372                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2373                         return -1;
2374                 }
2375                 values[i] = xstats[ids[i]].value;
2376         }
2377         return size;
2378 }
2379
2380 int
2381 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2382         unsigned int n)
2383 {
2384         struct rte_eth_dev *dev;
2385         unsigned int count = 0, i;
2386         signed int xcount = 0;
2387         uint16_t nb_rxqs, nb_txqs;
2388         int ret;
2389
2390         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2391
2392         dev = &rte_eth_devices[port_id];
2393
2394         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2395         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2396
2397         /* Return generic statistics */
2398         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2399                 (nb_txqs * RTE_NB_TXQ_STATS);
2400
2401         /* implemented by the driver */
2402         if (dev->dev_ops->xstats_get != NULL) {
2403                 /* Retrieve the xstats from the driver at the end of the
2404                  * xstats struct.
2405                  */
2406                 xcount = (*dev->dev_ops->xstats_get)(dev,
2407                                      xstats ? xstats + count : NULL,
2408                                      (n > count) ? n - count : 0);
2409
2410                 if (xcount < 0)
2411                         return eth_err(port_id, xcount);
2412         }
2413
2414         if (n < count + xcount || xstats == NULL)
2415                 return count + xcount;
2416
2417         /* now fill the xstats structure */
2418         ret = rte_eth_basic_stats_get(port_id, xstats);
2419         if (ret < 0)
2420                 return ret;
2421         count = ret;
2422
2423         for (i = 0; i < count; i++)
2424                 xstats[i].id = i;
2425         /* add an offset to driver-specific stats */
2426         for ( ; i < count + xcount; i++)
2427                 xstats[i].id += count;
2428
2429         return count + xcount;
2430 }
2431
2432 /* reset ethdev extended statistics */
2433 void
2434 rte_eth_xstats_reset(uint16_t port_id)
2435 {
2436         struct rte_eth_dev *dev;
2437
2438         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2439         dev = &rte_eth_devices[port_id];
2440
2441         /* implemented by the driver */
2442         if (dev->dev_ops->xstats_reset != NULL) {
2443                 (*dev->dev_ops->xstats_reset)(dev);
2444                 return;
2445         }
2446
2447         /* fallback to default */
2448         rte_eth_stats_reset(port_id);
2449 }
2450
2451 static int
2452 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2453                 uint8_t is_rx)
2454 {
2455         struct rte_eth_dev *dev;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2458
2459         dev = &rte_eth_devices[port_id];
2460
2461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2462         return (*dev->dev_ops->queue_stats_mapping_set)
2463                         (dev, queue_id, stat_idx, is_rx);
2464 }
2465
2466
2467 int
2468 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2469                 uint8_t stat_idx)
2470 {
2471         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2472                                                 stat_idx, STAT_QMAP_TX));
2473 }
2474
2475
2476 int
2477 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2478                 uint8_t stat_idx)
2479 {
2480         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2481                                                 stat_idx, STAT_QMAP_RX));
2482 }
2483
2484 int
2485 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2486 {
2487         struct rte_eth_dev *dev;
2488
2489         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2490         dev = &rte_eth_devices[port_id];
2491
2492         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2493         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2494                                                         fw_version, fw_size));
2495 }
2496
2497 void
2498 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2499 {
2500         struct rte_eth_dev *dev;
2501         struct rte_eth_txconf *txconf;
2502         const struct rte_eth_desc_lim lim = {
2503                 .nb_max = UINT16_MAX,
2504                 .nb_min = 0,
2505                 .nb_align = 1,
2506         };
2507
2508         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2509         dev = &rte_eth_devices[port_id];
2510
2511         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2512         dev_info->rx_desc_lim = lim;
2513         dev_info->tx_desc_lim = lim;
2514         dev_info->device = dev->device;
2515
2516         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2517         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2518         dev_info->driver_name = dev->device->driver->name;
2519         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2520         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2521
2522         dev_info->dev_flags = &dev->data->dev_flags;
2523         txconf = &dev_info->default_txconf;
2524         /* convert offload to txq_flags to support legacy app */
2525         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
2526 }
2527
2528 int
2529 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2530                                  uint32_t *ptypes, int num)
2531 {
2532         int i, j;
2533         struct rte_eth_dev *dev;
2534         const uint32_t *all_ptypes;
2535
2536         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2537         dev = &rte_eth_devices[port_id];
2538         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2539         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2540
2541         if (!all_ptypes)
2542                 return 0;
2543
2544         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2545                 if (all_ptypes[i] & ptype_mask) {
2546                         if (j < num)
2547                                 ptypes[j] = all_ptypes[i];
2548                         j++;
2549                 }
2550
2551         return j;
2552 }
2553
2554 void
2555 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2556 {
2557         struct rte_eth_dev *dev;
2558
2559         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2560         dev = &rte_eth_devices[port_id];
2561         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2562 }
2563
2564
2565 int
2566 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2567 {
2568         struct rte_eth_dev *dev;
2569
2570         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2571
2572         dev = &rte_eth_devices[port_id];
2573         *mtu = dev->data->mtu;
2574         return 0;
2575 }
2576
2577 int
2578 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2579 {
2580         int ret;
2581         struct rte_eth_dev *dev;
2582
2583         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2584         dev = &rte_eth_devices[port_id];
2585         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2586
2587         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2588         if (!ret)
2589                 dev->data->mtu = mtu;
2590
2591         return eth_err(port_id, ret);
2592 }
2593
2594 int
2595 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2596 {
2597         struct rte_eth_dev *dev;
2598         int ret;
2599
2600         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2601         dev = &rte_eth_devices[port_id];
2602         if (!(dev->data->dev_conf.rxmode.offloads &
2603               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2604                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2605                 return -ENOSYS;
2606         }
2607
2608         if (vlan_id > 4095) {
2609                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2610                                 port_id, (unsigned) vlan_id);
2611                 return -EINVAL;
2612         }
2613         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2614
2615         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2616         if (ret == 0) {
2617                 struct rte_vlan_filter_conf *vfc;
2618                 int vidx;
2619                 int vbit;
2620
2621                 vfc = &dev->data->vlan_filter_conf;
2622                 vidx = vlan_id / 64;
2623                 vbit = vlan_id % 64;
2624
2625                 if (on)
2626                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2627                 else
2628                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2629         }
2630
2631         return eth_err(port_id, ret);
2632 }
2633
2634 int
2635 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2636                                     int on)
2637 {
2638         struct rte_eth_dev *dev;
2639
2640         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2641         dev = &rte_eth_devices[port_id];
2642         if (rx_queue_id >= dev->data->nb_rx_queues) {
2643                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2644                 return -EINVAL;
2645         }
2646
2647         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2648         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2649
2650         return 0;
2651 }
2652
2653 int
2654 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2655                                 enum rte_vlan_type vlan_type,
2656                                 uint16_t tpid)
2657 {
2658         struct rte_eth_dev *dev;
2659
2660         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2661         dev = &rte_eth_devices[port_id];
2662         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2663
2664         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2665                                                                tpid));
2666 }
2667
2668 int
2669 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2670 {
2671         struct rte_eth_dev *dev;
2672         int ret = 0;
2673         int mask = 0;
2674         int cur, org = 0;
2675         uint64_t orig_offloads;
2676
2677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2678         dev = &rte_eth_devices[port_id];
2679
2680         /* save original values in case of failure */
2681         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2682
2683         /*check which option changed by application*/
2684         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2685         org = !!(dev->data->dev_conf.rxmode.offloads &
2686                  DEV_RX_OFFLOAD_VLAN_STRIP);
2687         if (cur != org) {
2688                 if (cur)
2689                         dev->data->dev_conf.rxmode.offloads |=
2690                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2691                 else
2692                         dev->data->dev_conf.rxmode.offloads &=
2693                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2694                 mask |= ETH_VLAN_STRIP_MASK;
2695         }
2696
2697         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2698         org = !!(dev->data->dev_conf.rxmode.offloads &
2699                  DEV_RX_OFFLOAD_VLAN_FILTER);
2700         if (cur != org) {
2701                 if (cur)
2702                         dev->data->dev_conf.rxmode.offloads |=
2703                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2704                 else
2705                         dev->data->dev_conf.rxmode.offloads &=
2706                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2707                 mask |= ETH_VLAN_FILTER_MASK;
2708         }
2709
2710         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2711         org = !!(dev->data->dev_conf.rxmode.offloads &
2712                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2713         if (cur != org) {
2714                 if (cur)
2715                         dev->data->dev_conf.rxmode.offloads |=
2716                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2717                 else
2718                         dev->data->dev_conf.rxmode.offloads &=
2719                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2720                 mask |= ETH_VLAN_EXTEND_MASK;
2721         }
2722
2723         /*no change*/
2724         if (mask == 0)
2725                 return ret;
2726
2727         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2728         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2729         if (ret) {
2730                 /* hit an error restore  original values */
2731                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2732         }
2733
2734         return eth_err(port_id, ret);
2735 }
2736
2737 int
2738 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2739 {
2740         struct rte_eth_dev *dev;
2741         int ret = 0;
2742
2743         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2744         dev = &rte_eth_devices[port_id];
2745
2746         if (dev->data->dev_conf.rxmode.offloads &
2747             DEV_RX_OFFLOAD_VLAN_STRIP)
2748                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2749
2750         if (dev->data->dev_conf.rxmode.offloads &
2751             DEV_RX_OFFLOAD_VLAN_FILTER)
2752                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2753
2754         if (dev->data->dev_conf.rxmode.offloads &
2755             DEV_RX_OFFLOAD_VLAN_EXTEND)
2756                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2757
2758         return ret;
2759 }
2760
2761 int
2762 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2763 {
2764         struct rte_eth_dev *dev;
2765
2766         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2767         dev = &rte_eth_devices[port_id];
2768         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2769
2770         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2771 }
2772
2773 int
2774 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2775 {
2776         struct rte_eth_dev *dev;
2777
2778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2779         dev = &rte_eth_devices[port_id];
2780         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2781         memset(fc_conf, 0, sizeof(*fc_conf));
2782         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2783 }
2784
2785 int
2786 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2787 {
2788         struct rte_eth_dev *dev;
2789
2790         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2791         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2792                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2793                 return -EINVAL;
2794         }
2795
2796         dev = &rte_eth_devices[port_id];
2797         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2798         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2799 }
2800
2801 int
2802 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2803                                    struct rte_eth_pfc_conf *pfc_conf)
2804 {
2805         struct rte_eth_dev *dev;
2806
2807         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2808         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2809                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2810                 return -EINVAL;
2811         }
2812
2813         dev = &rte_eth_devices[port_id];
2814         /* High water, low water validation are device specific */
2815         if  (*dev->dev_ops->priority_flow_ctrl_set)
2816                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2817                                         (dev, pfc_conf));
2818         return -ENOTSUP;
2819 }
2820
2821 static int
2822 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2823                         uint16_t reta_size)
2824 {
2825         uint16_t i, num;
2826
2827         if (!reta_conf)
2828                 return -EINVAL;
2829
2830         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2831         for (i = 0; i < num; i++) {
2832                 if (reta_conf[i].mask)
2833                         return 0;
2834         }
2835
2836         return -EINVAL;
2837 }
2838
2839 static int
2840 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2841                          uint16_t reta_size,
2842                          uint16_t max_rxq)
2843 {
2844         uint16_t i, idx, shift;
2845
2846         if (!reta_conf)
2847                 return -EINVAL;
2848
2849         if (max_rxq == 0) {
2850                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2851                 return -EINVAL;
2852         }
2853
2854         for (i = 0; i < reta_size; i++) {
2855                 idx = i / RTE_RETA_GROUP_SIZE;
2856                 shift = i % RTE_RETA_GROUP_SIZE;
2857                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2858                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2859                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2860                                 "the maximum rxq index: %u\n", idx, shift,
2861                                 reta_conf[idx].reta[shift], max_rxq);
2862                         return -EINVAL;
2863                 }
2864         }
2865
2866         return 0;
2867 }
2868
2869 int
2870 rte_eth_dev_rss_reta_update(uint16_t port_id,
2871                             struct rte_eth_rss_reta_entry64 *reta_conf,
2872                             uint16_t reta_size)
2873 {
2874         struct rte_eth_dev *dev;
2875         int ret;
2876
2877         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2878         /* Check mask bits */
2879         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2880         if (ret < 0)
2881                 return ret;
2882
2883         dev = &rte_eth_devices[port_id];
2884
2885         /* Check entry value */
2886         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2887                                 dev->data->nb_rx_queues);
2888         if (ret < 0)
2889                 return ret;
2890
2891         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2892         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2893                                                              reta_size));
2894 }
2895
2896 int
2897 rte_eth_dev_rss_reta_query(uint16_t port_id,
2898                            struct rte_eth_rss_reta_entry64 *reta_conf,
2899                            uint16_t reta_size)
2900 {
2901         struct rte_eth_dev *dev;
2902         int ret;
2903
2904         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2905
2906         /* Check mask bits */
2907         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2908         if (ret < 0)
2909                 return ret;
2910
2911         dev = &rte_eth_devices[port_id];
2912         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2913         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2914                                                             reta_size));
2915 }
2916
2917 int
2918 rte_eth_dev_rss_hash_update(uint16_t port_id,
2919                             struct rte_eth_rss_conf *rss_conf)
2920 {
2921         struct rte_eth_dev *dev;
2922         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2923
2924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2925         dev = &rte_eth_devices[port_id];
2926         rte_eth_dev_info_get(port_id, &dev_info);
2927         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2928             dev_info.flow_type_rss_offloads) {
2929                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2930                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2931                                     port_id,
2932                                     rss_conf->rss_hf,
2933                                     dev_info.flow_type_rss_offloads);
2934         }
2935         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2936         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2937                                                                  rss_conf));
2938 }
2939
2940 int
2941 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2942                               struct rte_eth_rss_conf *rss_conf)
2943 {
2944         struct rte_eth_dev *dev;
2945
2946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2947         dev = &rte_eth_devices[port_id];
2948         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2949         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2950                                                                    rss_conf));
2951 }
2952
2953 int
2954 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2955                                 struct rte_eth_udp_tunnel *udp_tunnel)
2956 {
2957         struct rte_eth_dev *dev;
2958
2959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2960         if (udp_tunnel == NULL) {
2961                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2962                 return -EINVAL;
2963         }
2964
2965         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2966                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2967                 return -EINVAL;
2968         }
2969
2970         dev = &rte_eth_devices[port_id];
2971         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2972         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2973                                                                 udp_tunnel));
2974 }
2975
2976 int
2977 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2978                                    struct rte_eth_udp_tunnel *udp_tunnel)
2979 {
2980         struct rte_eth_dev *dev;
2981
2982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2983         dev = &rte_eth_devices[port_id];
2984
2985         if (udp_tunnel == NULL) {
2986                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2987                 return -EINVAL;
2988         }
2989
2990         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2991                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2992                 return -EINVAL;
2993         }
2994
2995         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2996         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2997                                                                 udp_tunnel));
2998 }
2999
3000 int
3001 rte_eth_led_on(uint16_t port_id)
3002 {
3003         struct rte_eth_dev *dev;
3004
3005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3006         dev = &rte_eth_devices[port_id];
3007         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3008         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3009 }
3010
3011 int
3012 rte_eth_led_off(uint16_t port_id)
3013 {
3014         struct rte_eth_dev *dev;
3015
3016         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3017         dev = &rte_eth_devices[port_id];
3018         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3019         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3020 }
3021
3022 /*
3023  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3024  * an empty spot.
3025  */
3026 static int
3027 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3028 {
3029         struct rte_eth_dev_info dev_info;
3030         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3031         unsigned i;
3032
3033         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3034         rte_eth_dev_info_get(port_id, &dev_info);
3035
3036         for (i = 0; i < dev_info.max_mac_addrs; i++)
3037                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3038                         return i;
3039
3040         return -1;
3041 }
3042
3043 static const struct ether_addr null_mac_addr;
3044
3045 int
3046 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3047                         uint32_t pool)
3048 {
3049         struct rte_eth_dev *dev;
3050         int index;
3051         uint64_t pool_mask;
3052         int ret;
3053
3054         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3055         dev = &rte_eth_devices[port_id];
3056         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3057
3058         if (is_zero_ether_addr(addr)) {
3059                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3060                         port_id);
3061                 return -EINVAL;
3062         }
3063         if (pool >= ETH_64_POOLS) {
3064                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
3065                 return -EINVAL;
3066         }
3067
3068         index = get_mac_addr_index(port_id, addr);
3069         if (index < 0) {
3070                 index = get_mac_addr_index(port_id, &null_mac_addr);
3071                 if (index < 0) {
3072                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3073                                 port_id);
3074                         return -ENOSPC;
3075                 }
3076         } else {
3077                 pool_mask = dev->data->mac_pool_sel[index];
3078
3079                 /* Check if both MAC address and pool is already there, and do nothing */
3080                 if (pool_mask & (1ULL << pool))
3081                         return 0;
3082         }
3083
3084         /* Update NIC */
3085         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3086
3087         if (ret == 0) {
3088                 /* Update address in NIC data structure */
3089                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3090
3091                 /* Update pool bitmap in NIC data structure */
3092                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3093         }
3094
3095         return eth_err(port_id, ret);
3096 }
3097
3098 int
3099 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3100 {
3101         struct rte_eth_dev *dev;
3102         int index;
3103
3104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3105         dev = &rte_eth_devices[port_id];
3106         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3107
3108         index = get_mac_addr_index(port_id, addr);
3109         if (index == 0) {
3110                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3111                 return -EADDRINUSE;
3112         } else if (index < 0)
3113                 return 0;  /* Do nothing if address wasn't found */
3114
3115         /* Update NIC */
3116         (*dev->dev_ops->mac_addr_remove)(dev, index);
3117
3118         /* Update address in NIC data structure */
3119         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3120
3121         /* reset pool bitmap */
3122         dev->data->mac_pool_sel[index] = 0;
3123
3124         return 0;
3125 }
3126
3127 int
3128 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3129 {
3130         struct rte_eth_dev *dev;
3131         int ret;
3132
3133         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3134
3135         if (!is_valid_assigned_ether_addr(addr))
3136                 return -EINVAL;
3137
3138         dev = &rte_eth_devices[port_id];
3139         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3140
3141         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3142         if (ret < 0)
3143                 return ret;
3144
3145         /* Update default address in NIC data structure */
3146         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3147
3148         return 0;
3149 }
3150
3151
3152 /*
3153  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3154  * an empty spot.
3155  */
3156 static int
3157 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3158 {
3159         struct rte_eth_dev_info dev_info;
3160         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3161         unsigned i;
3162
3163         rte_eth_dev_info_get(port_id, &dev_info);
3164         if (!dev->data->hash_mac_addrs)
3165                 return -1;
3166
3167         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3168                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3169                         ETHER_ADDR_LEN) == 0)
3170                         return i;
3171
3172         return -1;
3173 }
3174
3175 int
3176 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3177                                 uint8_t on)
3178 {
3179         int index;
3180         int ret;
3181         struct rte_eth_dev *dev;
3182
3183         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3184
3185         dev = &rte_eth_devices[port_id];
3186         if (is_zero_ether_addr(addr)) {
3187                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3188                         port_id);
3189                 return -EINVAL;
3190         }
3191
3192         index = get_hash_mac_addr_index(port_id, addr);
3193         /* Check if it's already there, and do nothing */
3194         if ((index >= 0) && on)
3195                 return 0;
3196
3197         if (index < 0) {
3198                 if (!on) {
3199                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3200                                 "set in UTA\n", port_id);
3201                         return -EINVAL;
3202                 }
3203
3204                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3205                 if (index < 0) {
3206                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3207                                         port_id);
3208                         return -ENOSPC;
3209                 }
3210         }
3211
3212         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3213         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3214         if (ret == 0) {
3215                 /* Update address in NIC data structure */
3216                 if (on)
3217                         ether_addr_copy(addr,
3218                                         &dev->data->hash_mac_addrs[index]);
3219                 else
3220                         ether_addr_copy(&null_mac_addr,
3221                                         &dev->data->hash_mac_addrs[index]);
3222         }
3223
3224         return eth_err(port_id, ret);
3225 }
3226
3227 int
3228 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3229 {
3230         struct rte_eth_dev *dev;
3231
3232         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3233
3234         dev = &rte_eth_devices[port_id];
3235
3236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3237         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3238                                                                        on));
3239 }
3240
3241 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3242                                         uint16_t tx_rate)
3243 {
3244         struct rte_eth_dev *dev;
3245         struct rte_eth_dev_info dev_info;
3246         struct rte_eth_link link;
3247
3248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3249
3250         dev = &rte_eth_devices[port_id];
3251         rte_eth_dev_info_get(port_id, &dev_info);
3252         link = dev->data->dev_link;
3253
3254         if (queue_idx > dev_info.max_tx_queues) {
3255                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3256                                 "invalid queue id=%d\n", port_id, queue_idx);
3257                 return -EINVAL;
3258         }
3259
3260         if (tx_rate > link.link_speed) {
3261                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3262                                 "bigger than link speed= %d\n",
3263                         tx_rate, link.link_speed);
3264                 return -EINVAL;
3265         }
3266
3267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3268         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3269                                                         queue_idx, tx_rate));
3270 }
3271
3272 int
3273 rte_eth_mirror_rule_set(uint16_t port_id,
3274                         struct rte_eth_mirror_conf *mirror_conf,
3275                         uint8_t rule_id, uint8_t on)
3276 {
3277         struct rte_eth_dev *dev;
3278
3279         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3280         if (mirror_conf->rule_type == 0) {
3281                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3282                 return -EINVAL;
3283         }
3284
3285         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3286                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3287                                 ETH_64_POOLS - 1);
3288                 return -EINVAL;
3289         }
3290
3291         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3292              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3293             (mirror_conf->pool_mask == 0)) {
3294                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3295                 return -EINVAL;
3296         }
3297
3298         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3299             mirror_conf->vlan.vlan_mask == 0) {
3300                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3301                 return -EINVAL;
3302         }
3303
3304         dev = &rte_eth_devices[port_id];
3305         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3306
3307         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3308                                                 mirror_conf, rule_id, on));
3309 }
3310
3311 int
3312 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3313 {
3314         struct rte_eth_dev *dev;
3315
3316         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3317
3318         dev = &rte_eth_devices[port_id];
3319         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3320
3321         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3322                                                                    rule_id));
3323 }
3324
3325 RTE_INIT(eth_dev_init_cb_lists)
3326 {
3327         int i;
3328
3329         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3330                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3331 }
3332
3333 int
3334 rte_eth_dev_callback_register(uint16_t port_id,
3335                         enum rte_eth_event_type event,
3336                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3337 {
3338         struct rte_eth_dev *dev;
3339         struct rte_eth_dev_callback *user_cb;
3340         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3341         uint16_t last_port;
3342
3343         if (!cb_fn)
3344                 return -EINVAL;
3345
3346         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3347                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3348                 return -EINVAL;
3349         }
3350
3351         if (port_id == RTE_ETH_ALL) {
3352                 next_port = 0;
3353                 last_port = RTE_MAX_ETHPORTS - 1;
3354         } else {
3355                 next_port = last_port = port_id;
3356         }
3357
3358         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3359
3360         do {
3361                 dev = &rte_eth_devices[next_port];
3362
3363                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3364                         if (user_cb->cb_fn == cb_fn &&
3365                                 user_cb->cb_arg == cb_arg &&
3366                                 user_cb->event == event) {
3367                                 break;
3368                         }
3369                 }
3370
3371                 /* create a new callback. */
3372                 if (user_cb == NULL) {
3373                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3374                                 sizeof(struct rte_eth_dev_callback), 0);
3375                         if (user_cb != NULL) {
3376                                 user_cb->cb_fn = cb_fn;
3377                                 user_cb->cb_arg = cb_arg;
3378                                 user_cb->event = event;
3379                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3380                                                   user_cb, next);
3381                         } else {
3382                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3383                                 rte_eth_dev_callback_unregister(port_id, event,
3384                                                                 cb_fn, cb_arg);
3385                                 return -ENOMEM;
3386                         }
3387
3388                 }
3389         } while (++next_port <= last_port);
3390
3391         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3392         return 0;
3393 }
3394
3395 int
3396 rte_eth_dev_callback_unregister(uint16_t port_id,
3397                         enum rte_eth_event_type event,
3398                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3399 {
3400         int ret;
3401         struct rte_eth_dev *dev;
3402         struct rte_eth_dev_callback *cb, *next;
3403         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3404         uint16_t last_port;
3405
3406         if (!cb_fn)
3407                 return -EINVAL;
3408
3409         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3410                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3411                 return -EINVAL;
3412         }
3413
3414         if (port_id == RTE_ETH_ALL) {
3415                 next_port = 0;
3416                 last_port = RTE_MAX_ETHPORTS - 1;
3417         } else {
3418                 next_port = last_port = port_id;
3419         }
3420
3421         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3422
3423         do {
3424                 dev = &rte_eth_devices[next_port];
3425                 ret = 0;
3426                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3427                      cb = next) {
3428
3429                         next = TAILQ_NEXT(cb, next);
3430
3431                         if (cb->cb_fn != cb_fn || cb->event != event ||
3432                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3433                                 continue;
3434
3435                         /*
3436                          * if this callback is not executing right now,
3437                          * then remove it.
3438                          */
3439                         if (cb->active == 0) {
3440                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3441                                 rte_free(cb);
3442                         } else {
3443                                 ret = -EAGAIN;
3444                         }
3445                 }
3446         } while (++next_port <= last_port);
3447
3448         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3449         return ret;
3450 }
3451
3452 int
3453 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3454         enum rte_eth_event_type event, void *ret_param)
3455 {
3456         struct rte_eth_dev_callback *cb_lst;
3457         struct rte_eth_dev_callback dev_cb;
3458         int rc = 0;
3459
3460         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3461         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3462                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3463                         continue;
3464                 dev_cb = *cb_lst;
3465                 cb_lst->active = 1;
3466                 if (ret_param != NULL)
3467                         dev_cb.ret_param = ret_param;
3468
3469                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3470                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3471                                 dev_cb.cb_arg, dev_cb.ret_param);
3472                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3473                 cb_lst->active = 0;
3474         }
3475         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3476         return rc;
3477 }
3478
3479 void
3480 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3481 {
3482         if (dev == NULL)
3483                 return;
3484 }
3485
3486 int
3487 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3488 {
3489         uint32_t vec;
3490         struct rte_eth_dev *dev;
3491         struct rte_intr_handle *intr_handle;
3492         uint16_t qid;
3493         int rc;
3494
3495         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3496
3497         dev = &rte_eth_devices[port_id];
3498
3499         if (!dev->intr_handle) {
3500                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3501                 return -ENOTSUP;
3502         }
3503
3504         intr_handle = dev->intr_handle;
3505         if (!intr_handle->intr_vec) {
3506                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3507                 return -EPERM;
3508         }
3509
3510         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3511                 vec = intr_handle->intr_vec[qid];
3512                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3513                 if (rc && rc != -EEXIST) {
3514                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3515                                         " op %d epfd %d vec %u\n",
3516                                         port_id, qid, op, epfd, vec);
3517                 }
3518         }
3519
3520         return 0;
3521 }
3522
3523 const struct rte_memzone *
3524 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3525                          uint16_t queue_id, size_t size, unsigned align,
3526                          int socket_id)
3527 {
3528         char z_name[RTE_MEMZONE_NAMESIZE];
3529         const struct rte_memzone *mz;
3530
3531         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3532                  dev->device->driver->name, ring_name,
3533                  dev->data->port_id, queue_id);
3534
3535         mz = rte_memzone_lookup(z_name);
3536         if (mz)
3537                 return mz;
3538
3539         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3540                         RTE_MEMZONE_IOVA_CONTIG, align);
3541 }
3542
3543 int __rte_experimental
3544 rte_eth_dev_create(struct rte_device *device, const char *name,
3545         size_t priv_data_size,
3546         ethdev_bus_specific_init ethdev_bus_specific_init,
3547         void *bus_init_params,
3548         ethdev_init_t ethdev_init, void *init_params)
3549 {
3550         struct rte_eth_dev *ethdev;
3551         int retval;
3552
3553         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3554
3555         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3556                 ethdev = rte_eth_dev_allocate(name);
3557                 if (!ethdev) {
3558                         retval = -ENODEV;
3559                         goto probe_failed;
3560                 }
3561
3562                 if (priv_data_size) {
3563                         ethdev->data->dev_private = rte_zmalloc_socket(
3564                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3565                                 device->numa_node);
3566
3567                         if (!ethdev->data->dev_private) {
3568                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3569                                 retval = -ENOMEM;
3570                                 goto probe_failed;
3571                         }
3572                 }
3573         } else {
3574                 ethdev = rte_eth_dev_attach_secondary(name);
3575                 if (!ethdev) {
3576                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3577                                 "ethdev doesn't exist");
3578                         retval = -ENODEV;
3579                         goto probe_failed;
3580                 }
3581         }
3582
3583         ethdev->device = device;
3584
3585         if (ethdev_bus_specific_init) {
3586                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3587                 if (retval) {
3588                         RTE_LOG(ERR, EAL,
3589                                 "ethdev bus specific initialisation failed");
3590                         goto probe_failed;
3591                 }
3592         }
3593
3594         retval = ethdev_init(ethdev, init_params);
3595         if (retval) {
3596                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3597                 goto probe_failed;
3598         }
3599
3600         rte_eth_dev_probing_finish(ethdev);
3601
3602         return retval;
3603 probe_failed:
3604         /* free ports private data if primary process */
3605         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3606                 rte_free(ethdev->data->dev_private);
3607
3608         rte_eth_dev_release_port(ethdev);
3609
3610         return retval;
3611 }
3612
3613 int  __rte_experimental
3614 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3615         ethdev_uninit_t ethdev_uninit)
3616 {
3617         int ret;
3618
3619         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3620         if (!ethdev)
3621                 return -ENODEV;
3622
3623         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3624         if (ethdev_uninit) {
3625                 ret = ethdev_uninit(ethdev);
3626                 if (ret)
3627                         return ret;
3628         }
3629
3630         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3631                 rte_free(ethdev->data->dev_private);
3632
3633         ethdev->data->dev_private = NULL;
3634
3635         return rte_eth_dev_release_port(ethdev);
3636 }
3637
3638 int
3639 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3640                           int epfd, int op, void *data)
3641 {
3642         uint32_t vec;
3643         struct rte_eth_dev *dev;
3644         struct rte_intr_handle *intr_handle;
3645         int rc;
3646
3647         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3648
3649         dev = &rte_eth_devices[port_id];
3650         if (queue_id >= dev->data->nb_rx_queues) {
3651                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3652                 return -EINVAL;
3653         }
3654
3655         if (!dev->intr_handle) {
3656                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3657                 return -ENOTSUP;
3658         }
3659
3660         intr_handle = dev->intr_handle;
3661         if (!intr_handle->intr_vec) {
3662                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3663                 return -EPERM;
3664         }
3665
3666         vec = intr_handle->intr_vec[queue_id];
3667         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3668         if (rc && rc != -EEXIST) {
3669                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3670                                 " op %d epfd %d vec %u\n",
3671                                 port_id, queue_id, op, epfd, vec);
3672                 return rc;
3673         }
3674
3675         return 0;
3676 }
3677
3678 int
3679 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3680                            uint16_t queue_id)
3681 {
3682         struct rte_eth_dev *dev;
3683
3684         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3685
3686         dev = &rte_eth_devices[port_id];
3687
3688         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3689         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3690                                                                 queue_id));
3691 }
3692
3693 int
3694 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3695                             uint16_t queue_id)
3696 {
3697         struct rte_eth_dev *dev;
3698
3699         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3700
3701         dev = &rte_eth_devices[port_id];
3702
3703         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3704         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3705                                                                 queue_id));
3706 }
3707
3708
3709 int
3710 rte_eth_dev_filter_supported(uint16_t port_id,
3711                              enum rte_filter_type filter_type)
3712 {
3713         struct rte_eth_dev *dev;
3714
3715         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3716
3717         dev = &rte_eth_devices[port_id];
3718         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3719         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3720                                 RTE_ETH_FILTER_NOP, NULL);
3721 }
3722
3723 int
3724 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3725                         enum rte_filter_op filter_op, void *arg)
3726 {
3727         struct rte_eth_dev *dev;
3728
3729         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3730
3731         dev = &rte_eth_devices[port_id];
3732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3733         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3734                                                              filter_op, arg));
3735 }
3736
3737 const struct rte_eth_rxtx_callback *
3738 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3739                 rte_rx_callback_fn fn, void *user_param)
3740 {
3741 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3742         rte_errno = ENOTSUP;
3743         return NULL;
3744 #endif
3745         /* check input parameters */
3746         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3747                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3748                 rte_errno = EINVAL;
3749                 return NULL;
3750         }
3751         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3752
3753         if (cb == NULL) {
3754                 rte_errno = ENOMEM;
3755                 return NULL;
3756         }
3757
3758         cb->fn.rx = fn;
3759         cb->param = user_param;
3760
3761         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3762         /* Add the callbacks in fifo order. */
3763         struct rte_eth_rxtx_callback *tail =
3764                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3765
3766         if (!tail) {
3767                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3768
3769         } else {
3770                 while (tail->next)
3771                         tail = tail->next;
3772                 tail->next = cb;
3773         }
3774         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3775
3776         return cb;
3777 }
3778
3779 const struct rte_eth_rxtx_callback *
3780 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3781                 rte_rx_callback_fn fn, void *user_param)
3782 {
3783 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3784         rte_errno = ENOTSUP;
3785         return NULL;
3786 #endif
3787         /* check input parameters */
3788         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3789                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3790                 rte_errno = EINVAL;
3791                 return NULL;
3792         }
3793
3794         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3795
3796         if (cb == NULL) {
3797                 rte_errno = ENOMEM;
3798                 return NULL;
3799         }
3800
3801         cb->fn.rx = fn;
3802         cb->param = user_param;
3803
3804         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3805         /* Add the callbacks at fisrt position*/
3806         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3807         rte_smp_wmb();
3808         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3809         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3810
3811         return cb;
3812 }
3813
3814 const struct rte_eth_rxtx_callback *
3815 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3816                 rte_tx_callback_fn fn, void *user_param)
3817 {
3818 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3819         rte_errno = ENOTSUP;
3820         return NULL;
3821 #endif
3822         /* check input parameters */
3823         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3824                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3825                 rte_errno = EINVAL;
3826                 return NULL;
3827         }
3828
3829         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3830
3831         if (cb == NULL) {
3832                 rte_errno = ENOMEM;
3833                 return NULL;
3834         }
3835
3836         cb->fn.tx = fn;
3837         cb->param = user_param;
3838
3839         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3840         /* Add the callbacks in fifo order. */
3841         struct rte_eth_rxtx_callback *tail =
3842                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3843
3844         if (!tail) {
3845                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3846
3847         } else {
3848                 while (tail->next)
3849                         tail = tail->next;
3850                 tail->next = cb;
3851         }
3852         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3853
3854         return cb;
3855 }
3856
3857 int
3858 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3859                 const struct rte_eth_rxtx_callback *user_cb)
3860 {
3861 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3862         return -ENOTSUP;
3863 #endif
3864         /* Check input parameters. */
3865         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3866         if (user_cb == NULL ||
3867                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3868                 return -EINVAL;
3869
3870         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3871         struct rte_eth_rxtx_callback *cb;
3872         struct rte_eth_rxtx_callback **prev_cb;
3873         int ret = -EINVAL;
3874
3875         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3876         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3877         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3878                 cb = *prev_cb;
3879                 if (cb == user_cb) {
3880                         /* Remove the user cb from the callback list. */
3881                         *prev_cb = cb->next;
3882                         ret = 0;
3883                         break;
3884                 }
3885         }
3886         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3887
3888         return ret;
3889 }
3890
3891 int
3892 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3893                 const struct rte_eth_rxtx_callback *user_cb)
3894 {
3895 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3896         return -ENOTSUP;
3897 #endif
3898         /* Check input parameters. */
3899         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3900         if (user_cb == NULL ||
3901                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3902                 return -EINVAL;
3903
3904         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3905         int ret = -EINVAL;
3906         struct rte_eth_rxtx_callback *cb;
3907         struct rte_eth_rxtx_callback **prev_cb;
3908
3909         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3910         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3911         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3912                 cb = *prev_cb;
3913                 if (cb == user_cb) {
3914                         /* Remove the user cb from the callback list. */
3915                         *prev_cb = cb->next;
3916                         ret = 0;
3917                         break;
3918                 }
3919         }
3920         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3921
3922         return ret;
3923 }
3924
3925 int
3926 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3927         struct rte_eth_rxq_info *qinfo)
3928 {
3929         struct rte_eth_dev *dev;
3930
3931         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3932
3933         if (qinfo == NULL)
3934                 return -EINVAL;
3935
3936         dev = &rte_eth_devices[port_id];
3937         if (queue_id >= dev->data->nb_rx_queues) {
3938                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3939                 return -EINVAL;
3940         }
3941
3942         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3943
3944         memset(qinfo, 0, sizeof(*qinfo));
3945         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3946         return 0;
3947 }
3948
3949 int
3950 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3951         struct rte_eth_txq_info *qinfo)
3952 {
3953         struct rte_eth_dev *dev;
3954         struct rte_eth_txconf *txconf = &qinfo->conf;
3955
3956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3957
3958         if (qinfo == NULL)
3959                 return -EINVAL;
3960
3961         dev = &rte_eth_devices[port_id];
3962         if (queue_id >= dev->data->nb_tx_queues) {
3963                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3964                 return -EINVAL;
3965         }
3966
3967         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3968
3969         memset(qinfo, 0, sizeof(*qinfo));
3970         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3971         /* convert offload to txq_flags to support legacy app */
3972         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
3973
3974         return 0;
3975 }
3976
3977 int
3978 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3979                              struct ether_addr *mc_addr_set,
3980                              uint32_t nb_mc_addr)
3981 {
3982         struct rte_eth_dev *dev;
3983
3984         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3985
3986         dev = &rte_eth_devices[port_id];
3987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3988         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3989                                                 mc_addr_set, nb_mc_addr));
3990 }
3991
3992 int
3993 rte_eth_timesync_enable(uint16_t port_id)
3994 {
3995         struct rte_eth_dev *dev;
3996
3997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3998         dev = &rte_eth_devices[port_id];
3999
4000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4001         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4002 }
4003
4004 int
4005 rte_eth_timesync_disable(uint16_t port_id)
4006 {
4007         struct rte_eth_dev *dev;
4008
4009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4010         dev = &rte_eth_devices[port_id];
4011
4012         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4013         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4014 }
4015
4016 int
4017 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4018                                    uint32_t flags)
4019 {
4020         struct rte_eth_dev *dev;
4021
4022         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4023         dev = &rte_eth_devices[port_id];
4024
4025         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4026         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4027                                 (dev, timestamp, flags));
4028 }
4029
4030 int
4031 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4032                                    struct timespec *timestamp)
4033 {
4034         struct rte_eth_dev *dev;
4035
4036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4037         dev = &rte_eth_devices[port_id];
4038
4039         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4040         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4041                                 (dev, timestamp));
4042 }
4043
4044 int
4045 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4046 {
4047         struct rte_eth_dev *dev;
4048
4049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4050         dev = &rte_eth_devices[port_id];
4051
4052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4053         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4054                                                                       delta));
4055 }
4056
4057 int
4058 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4059 {
4060         struct rte_eth_dev *dev;
4061
4062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4063         dev = &rte_eth_devices[port_id];
4064
4065         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4066         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4067                                                                 timestamp));
4068 }
4069
4070 int
4071 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4072 {
4073         struct rte_eth_dev *dev;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076         dev = &rte_eth_devices[port_id];
4077
4078         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4079         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4080                                                                 timestamp));
4081 }
4082
4083 int
4084 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4085 {
4086         struct rte_eth_dev *dev;
4087
4088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4089
4090         dev = &rte_eth_devices[port_id];
4091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4092         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4093 }
4094
4095 int
4096 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4097 {
4098         struct rte_eth_dev *dev;
4099
4100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4101
4102         dev = &rte_eth_devices[port_id];
4103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4104         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4105 }
4106
4107 int
4108 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4109 {
4110         struct rte_eth_dev *dev;
4111
4112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4113
4114         dev = &rte_eth_devices[port_id];
4115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4116         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4117 }
4118
4119 int
4120 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4121 {
4122         struct rte_eth_dev *dev;
4123
4124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4125
4126         dev = &rte_eth_devices[port_id];
4127         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4128         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4129 }
4130
4131 int __rte_experimental
4132 rte_eth_dev_get_module_info(uint16_t port_id,
4133                             struct rte_eth_dev_module_info *modinfo)
4134 {
4135         struct rte_eth_dev *dev;
4136
4137         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4138
4139         dev = &rte_eth_devices[port_id];
4140         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4141         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4142 }
4143
4144 int __rte_experimental
4145 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4146                               struct rte_dev_eeprom_info *info)
4147 {
4148         struct rte_eth_dev *dev;
4149
4150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4151
4152         dev = &rte_eth_devices[port_id];
4153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4154         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4155 }
4156
4157 int
4158 rte_eth_dev_get_dcb_info(uint16_t port_id,
4159                              struct rte_eth_dcb_info *dcb_info)
4160 {
4161         struct rte_eth_dev *dev;
4162
4163         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4164
4165         dev = &rte_eth_devices[port_id];
4166         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4167
4168         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4169         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4170 }
4171
4172 int
4173 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4174                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4175 {
4176         struct rte_eth_dev *dev;
4177
4178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4179         if (l2_tunnel == NULL) {
4180                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4181                 return -EINVAL;
4182         }
4183
4184         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4185                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4186                 return -EINVAL;
4187         }
4188
4189         dev = &rte_eth_devices[port_id];
4190         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4191                                 -ENOTSUP);
4192         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4193                                                                 l2_tunnel));
4194 }
4195
4196 int
4197 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4198                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4199                                   uint32_t mask,
4200                                   uint8_t en)
4201 {
4202         struct rte_eth_dev *dev;
4203
4204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4205
4206         if (l2_tunnel == NULL) {
4207                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4208                 return -EINVAL;
4209         }
4210
4211         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4212                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4213                 return -EINVAL;
4214         }
4215
4216         if (mask == 0) {
4217                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4218                 return -EINVAL;
4219         }
4220
4221         dev = &rte_eth_devices[port_id];
4222         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4223                                 -ENOTSUP);
4224         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4225                                                         l2_tunnel, mask, en));
4226 }
4227
4228 static void
4229 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4230                            const struct rte_eth_desc_lim *desc_lim)
4231 {
4232         if (desc_lim->nb_align != 0)
4233                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4234
4235         if (desc_lim->nb_max != 0)
4236                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4237
4238         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4239 }
4240
4241 int
4242 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4243                                  uint16_t *nb_rx_desc,
4244                                  uint16_t *nb_tx_desc)
4245 {
4246         struct rte_eth_dev *dev;
4247         struct rte_eth_dev_info dev_info;
4248
4249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4250
4251         dev = &rte_eth_devices[port_id];
4252         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4253
4254         rte_eth_dev_info_get(port_id, &dev_info);
4255
4256         if (nb_rx_desc != NULL)
4257                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4258
4259         if (nb_tx_desc != NULL)
4260                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4261
4262         return 0;
4263 }
4264
4265 int
4266 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4267 {
4268         struct rte_eth_dev *dev;
4269
4270         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4271
4272         if (pool == NULL)
4273                 return -EINVAL;
4274
4275         dev = &rte_eth_devices[port_id];
4276
4277         if (*dev->dev_ops->pool_ops_supported == NULL)
4278                 return 1; /* all pools are supported */
4279
4280         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4281 }
4282
4283 /**
4284  * A set of values to describe the possible states of a switch domain.
4285  */
4286 enum rte_eth_switch_domain_state {
4287         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4288         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4289 };
4290
4291 /**
4292  * Array of switch domains available for allocation. Array is sized to
4293  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4294  * ethdev ports in a single process.
4295  */
4296 struct rte_eth_dev_switch {
4297         enum rte_eth_switch_domain_state state;
4298 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4299
4300 int __rte_experimental
4301 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4302 {
4303         unsigned int i;
4304
4305         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4306
4307         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4308                 i < RTE_MAX_ETHPORTS; i++) {
4309                 if (rte_eth_switch_domains[i].state ==
4310                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4311                         rte_eth_switch_domains[i].state =
4312                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4313                         *domain_id = i;
4314                         return 0;
4315                 }
4316         }
4317
4318         return -ENOSPC;
4319 }
4320
4321 int __rte_experimental
4322 rte_eth_switch_domain_free(uint16_t domain_id)
4323 {
4324         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4325                 domain_id >= RTE_MAX_ETHPORTS)
4326                 return -EINVAL;
4327
4328         if (rte_eth_switch_domains[domain_id].state !=
4329                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4330                 return -EINVAL;
4331
4332         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4333
4334         return 0;
4335 }
4336
4337 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4338
4339 static int
4340 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4341 {
4342         int state;
4343         struct rte_kvargs_pair *pair;
4344         char *letter;
4345
4346         arglist->str = strdup(str_in);
4347         if (arglist->str == NULL)
4348                 return -ENOMEM;
4349
4350         letter = arglist->str;
4351         state = 0;
4352         arglist->count = 0;
4353         pair = &arglist->pairs[0];
4354         while (1) {
4355                 switch (state) {
4356                 case 0: /* Initial */
4357                         if (*letter == '=')
4358                                 return -EINVAL;
4359                         else if (*letter == '\0')
4360                                 return 0;
4361
4362                         state = 1;
4363                         pair->key = letter;
4364                         /* fall-thru */
4365
4366                 case 1: /* Parsing key */
4367                         if (*letter == '=') {
4368                                 *letter = '\0';
4369                                 pair->value = letter + 1;
4370                                 state = 2;
4371                         } else if (*letter == ',' || *letter == '\0')
4372                                 return -EINVAL;
4373                         break;
4374
4375
4376                 case 2: /* Parsing value */
4377                         if (*letter == '[')
4378                                 state = 3;
4379                         else if (*letter == ',') {
4380                                 *letter = '\0';
4381                                 arglist->count++;
4382                                 pair = &arglist->pairs[arglist->count];
4383                                 state = 0;
4384                         } else if (*letter == '\0') {
4385                                 letter--;
4386                                 arglist->count++;
4387                                 pair = &arglist->pairs[arglist->count];
4388                                 state = 0;
4389                         }
4390                         break;
4391
4392                 case 3: /* Parsing list */
4393                         if (*letter == ']')
4394                                 state = 2;
4395                         else if (*letter == '\0')
4396                                 return -EINVAL;
4397                         break;
4398                 }
4399                 letter++;
4400         }
4401 }
4402
4403 static int
4404 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4405         void *data)
4406 {
4407         char *str_start;
4408         int state;
4409         int result;
4410
4411         if (*str != '[')
4412                 /* Single element, not a list */
4413                 return callback(str, data);
4414
4415         /* Sanity check, then strip the brackets */
4416         str_start = &str[strlen(str) - 1];
4417         if (*str_start != ']') {
4418                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4419                 return -EINVAL;
4420         }
4421         str++;
4422         *str_start = '\0';
4423
4424         /* Process list elements */
4425         state = 0;
4426         while (1) {
4427                 if (state == 0) {
4428                         if (*str == '\0')
4429                                 break;
4430                         if (*str != ',') {
4431                                 str_start = str;
4432                                 state = 1;
4433                         }
4434                 } else if (state == 1) {
4435                         if (*str == ',' || *str == '\0') {
4436                                 if (str > str_start) {
4437                                         /* Non-empty string fragment */
4438                                         *str = '\0';
4439                                         result = callback(str_start, data);
4440                                         if (result < 0)
4441                                                 return result;
4442                                 }
4443                                 state = 0;
4444                         }
4445                 }
4446                 str++;
4447         }
4448         return 0;
4449 }
4450
4451 static int
4452 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4453         const uint16_t max_list)
4454 {
4455         uint16_t lo, hi, val;
4456         int result;
4457
4458         result = sscanf(str, "%hu-%hu", &lo, &hi);
4459         if (result == 1) {
4460                 if (*len_list >= max_list)
4461                         return -ENOMEM;
4462                 list[(*len_list)++] = lo;
4463         } else if (result == 2) {
4464                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4465                         return -EINVAL;
4466                 for (val = lo; val <= hi; val++) {
4467                         if (*len_list >= max_list)
4468                                 return -ENOMEM;
4469                         list[(*len_list)++] = val;
4470                 }
4471         } else
4472                 return -EINVAL;
4473         return 0;
4474 }
4475
4476
4477 static int
4478 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4479 {
4480         struct rte_eth_devargs *eth_da = data;
4481
4482         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4483                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4484 }
4485
4486 int __rte_experimental
4487 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4488 {
4489         struct rte_kvargs args;
4490         struct rte_kvargs_pair *pair;
4491         unsigned int i;
4492         int result = 0;
4493
4494         memset(eth_da, 0, sizeof(*eth_da));
4495
4496         result = rte_eth_devargs_tokenise(&args, dargs);
4497         if (result < 0)
4498                 goto parse_cleanup;
4499
4500         for (i = 0; i < args.count; i++) {
4501                 pair = &args.pairs[i];
4502                 if (strcmp("representor", pair->key) == 0) {
4503                         result = rte_eth_devargs_parse_list(pair->value,
4504                                 rte_eth_devargs_parse_representor_ports,
4505                                 eth_da);
4506                         if (result < 0)
4507                                 goto parse_cleanup;
4508                 }
4509         }
4510
4511 parse_cleanup:
4512         if (args.str)
4513                 free(args.str);
4514
4515         return result;
4516 }
4517
4518 RTE_INIT(ethdev_init_log);
4519 static void
4520 ethdev_init_log(void)
4521 {
4522         ethdev_logtype = rte_log_register("lib.ethdev");
4523         if (ethdev_logtype >= 0)
4524                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4525 }