lib/librte_ether/rte_ethdev.c

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