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 __rte_experimental
 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
 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 ret = -1;
 622         int current = rte_eth_dev_count_total();
 623         char *name = NULL;
 624         char *args = NULL;
 625
 626         if ((devargs == NULL) || (port_id == NULL)) {
 627                 ret = -EINVAL;
 628                 goto err;
 629         }
 630
 631         /* parse devargs, then retrieve device name and args */
 632         if (rte_eal_parse_devargs_str(devargs, &name, &args))
 633                 goto err;
 634
 635         ret = rte_eal_dev_attach(name, args);
 636         if (ret < 0)
 637                 goto err;
 638
 639         /* no point looking at the port count if no port exists */
 640         if (!rte_eth_dev_count_total()) {
 641                 ethdev_log(ERR, "No port found for device (%s)", name);
 642                 ret = -1;
 643                 goto err;
 644         }
 645
 646         /* if nothing happened, there is a bug here, since some driver told us
 647          * it did attach a device, but did not create a port.
 648          * FIXME: race condition in case of plug-out of another device
 649          */
 650         if (current == rte_eth_dev_count_total()) {
 651                 ret = -1;
 652                 goto err;
 653         }
 654
 655         *port_id = eth_dev_last_created_port;
 656         ret = 0;
 657
 658 err:
 659         free(name);
 660         free(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)
 667 {
 668         uint32_t dev_flags;
 669         int ret = -1;
 670
 671         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 672
 673         if (name == NULL) {
 674                 ret = -EINVAL;
 675                 goto err;
 676         }
 677
 678         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 679         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 680                 ethdev_log(ERR,
 681                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 682                 ret = -ENOTSUP;
 683                 goto err;
 684         }
 685
 686         snprintf(name, sizeof(rte_eth_devices[port_id].data->name),
 687                  "%s", rte_eth_devices[port_id].data->name);
 688
 689         ret = rte_eal_dev_detach(rte_eth_devices[port_id].device);
 690         if (ret < 0)
 691                 goto err;
 692
 693         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 694         return 0;
 695
 696 err:
 697         return ret;
 698 }
 699
 700 static int
 701 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 702 {
 703         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 704         void **rxq;
 705         unsigned i;
 706
 707         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 708                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 709                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 710                                 RTE_CACHE_LINE_SIZE);
 711                 if (dev->data->rx_queues == NULL) {
 712                         dev->data->nb_rx_queues = 0;
 713                         return -(ENOMEM);
 714                 }
 715         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 716                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 717
 718                 rxq = dev->data->rx_queues;
 719
 720                 for (i = nb_queues; i < old_nb_queues; i++)
 721                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 722                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 723                                 RTE_CACHE_LINE_SIZE);
 724                 if (rxq == NULL)
 725                         return -(ENOMEM);
 726                 if (nb_queues > old_nb_queues) {
 727                         uint16_t new_qs = nb_queues - old_nb_queues;
 728
 729                         memset(rxq + old_nb_queues, 0,
 730                                 sizeof(rxq[0]) * new_qs);
 731                 }
 732
 733                 dev->data->rx_queues = rxq;
 734
 735         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 736                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 737
 738                 rxq = dev->data->rx_queues;
 739
 740                 for (i = nb_queues; i < old_nb_queues; i++)
 741                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 742
 743                 rte_free(dev->data->rx_queues);
 744                 dev->data->rx_queues = NULL;
 745         }
 746         dev->data->nb_rx_queues = nb_queues;
 747         return 0;
 748 }
 749
 750 int
 751 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 752 {
 753         struct rte_eth_dev *dev;
 754
 755         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 756
 757         dev = &rte_eth_devices[port_id];
 758         if (!dev->data->dev_started) {
 759                 RTE_PMD_DEBUG_TRACE(
 760                     "port %d must be started before start any queue\n", port_id);
 761                 return -EINVAL;
 762         }
 763
 764         if (rx_queue_id >= dev->data->nb_rx_queues) {
 765                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 766                 return -EINVAL;
 767         }
 768
 769         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 770
 771         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 772                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 773                         " already started\n",
 774                         rx_queue_id, port_id);
 775                 return 0;
 776         }
 777
 778         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 779                                                              rx_queue_id));
 780
 781 }
 782
 783 int
 784 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 785 {
 786         struct rte_eth_dev *dev;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         dev = &rte_eth_devices[port_id];
 791         if (rx_queue_id >= dev->data->nb_rx_queues) {
 792                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 793                 return -EINVAL;
 794         }
 795
 796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 797
 798         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 799                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 800                         " already stopped\n",
 801                         rx_queue_id, port_id);
 802                 return 0;
 803         }
 804
 805         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 806
 807 }
 808
 809 int
 810 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 811 {
 812         struct rte_eth_dev *dev;
 813
 814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 815
 816         dev = &rte_eth_devices[port_id];
 817         if (!dev->data->dev_started) {
 818                 RTE_PMD_DEBUG_TRACE(
 819                     "port %d must be started before start any queue\n", port_id);
 820                 return -EINVAL;
 821         }
 822
 823         if (tx_queue_id >= dev->data->nb_tx_queues) {
 824                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 825                 return -EINVAL;
 826         }
 827
 828         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 829
 830         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 831                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 832                         " already started\n",
 833                         tx_queue_id, port_id);
 834                 return 0;
 835         }
 836
 837         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 838                                                              tx_queue_id));
 839
 840 }
 841
 842 int
 843 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 844 {
 845         struct rte_eth_dev *dev;
 846
 847         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 848
 849         dev = &rte_eth_devices[port_id];
 850         if (tx_queue_id >= dev->data->nb_tx_queues) {
 851                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 852                 return -EINVAL;
 853         }
 854
 855         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 856
 857         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 858                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 859                         " already stopped\n",
 860                         tx_queue_id, port_id);
 861                 return 0;
 862         }
 863
 864         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 865
 866 }
 867
 868 static int
 869 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 870 {
 871         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 872         void **txq;
 873         unsigned i;
 874
 875         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 876                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 877                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 878                                                    RTE_CACHE_LINE_SIZE);
 879                 if (dev->data->tx_queues == NULL) {
 880                         dev->data->nb_tx_queues = 0;
 881                         return -(ENOMEM);
 882                 }
 883         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 884                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 885
 886                 txq = dev->data->tx_queues;
 887
 888                 for (i = nb_queues; i < old_nb_queues; i++)
 889                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 890                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 891                                   RTE_CACHE_LINE_SIZE);
 892                 if (txq == NULL)
 893                         return -ENOMEM;
 894                 if (nb_queues > old_nb_queues) {
 895                         uint16_t new_qs = nb_queues - old_nb_queues;
 896
 897                         memset(txq + old_nb_queues, 0,
 898                                sizeof(txq[0]) * new_qs);
 899                 }
 900
 901                 dev->data->tx_queues = txq;
 902
 903         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 904                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 905
 906                 txq = dev->data->tx_queues;
 907
 908                 for (i = nb_queues; i < old_nb_queues; i++)
 909                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 910
 911                 rte_free(dev->data->tx_queues);
 912                 dev->data->tx_queues = NULL;
 913         }
 914         dev->data->nb_tx_queues = nb_queues;
 915         return 0;
 916 }
 917
 918 uint32_t
 919 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 920 {
 921         switch (speed) {
 922         case ETH_SPEED_NUM_10M:
 923                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 924         case ETH_SPEED_NUM_100M:
 925                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 926         case ETH_SPEED_NUM_1G:
 927                 return ETH_LINK_SPEED_1G;
 928         case ETH_SPEED_NUM_2_5G:
 929                 return ETH_LINK_SPEED_2_5G;
 930         case ETH_SPEED_NUM_5G:
 931                 return ETH_LINK_SPEED_5G;
 932         case ETH_SPEED_NUM_10G:
 933                 return ETH_LINK_SPEED_10G;
 934         case ETH_SPEED_NUM_20G:
 935                 return ETH_LINK_SPEED_20G;
 936         case ETH_SPEED_NUM_25G:
 937                 return ETH_LINK_SPEED_25G;
 938         case ETH_SPEED_NUM_40G:
 939                 return ETH_LINK_SPEED_40G;
 940         case ETH_SPEED_NUM_50G:
 941                 return ETH_LINK_SPEED_50G;
 942         case ETH_SPEED_NUM_56G:
 943                 return ETH_LINK_SPEED_56G;
 944         case ETH_SPEED_NUM_100G:
 945                 return ETH_LINK_SPEED_100G;
 946         default:
 947                 return 0;
 948         }
 949 }
 950
 951 /**
 952  * A conversion function from rxmode bitfield API.
 953  */
 954 static void
 955 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 956                                     uint64_t *rx_offloads)
 957 {
 958         uint64_t offloads = 0;
 959
 960         if (rxmode->header_split == 1)
 961                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 962         if (rxmode->hw_ip_checksum == 1)
 963                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 964         if (rxmode->hw_vlan_filter == 1)
 965                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 966         if (rxmode->hw_vlan_strip == 1)
 967                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 968         if (rxmode->hw_vlan_extend == 1)
 969                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 970         if (rxmode->jumbo_frame == 1)
 971                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 972         if (rxmode->hw_strip_crc == 1)
 973                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 974         if (rxmode->enable_scatter == 1)
 975                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 976         if (rxmode->enable_lro == 1)
 977                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 978         if (rxmode->hw_timestamp == 1)
 979                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
 980         if (rxmode->security == 1)
 981                 offloads |= DEV_RX_OFFLOAD_SECURITY;
 982
 983         *rx_offloads = offloads;
 984 }
 985
 986 /**
 987  * A conversion function from rxmode offloads API.
 988  */
 989 static void
 990 rte_eth_convert_rx_offloads(const uint64_t rx_offloads,
 991                             struct rte_eth_rxmode *rxmode)
 992 {
 993
 994         if (rx_offloads & DEV_RX_OFFLOAD_HEADER_SPLIT)
 995                 rxmode->header_split = 1;
 996         else
 997                 rxmode->header_split = 0;
 998         if (rx_offloads & DEV_RX_OFFLOAD_CHECKSUM)
 999                 rxmode->hw_ip_checksum = 1;
1000         else
1001                 rxmode->hw_ip_checksum = 0;
1002         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
1003                 rxmode->hw_vlan_filter = 1;
1004         else
1005                 rxmode->hw_vlan_filter = 0;
1006         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1007                 rxmode->hw_vlan_strip = 1;
1008         else
1009                 rxmode->hw_vlan_strip = 0;
1010         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
1011                 rxmode->hw_vlan_extend = 1;
1012         else
1013                 rxmode->hw_vlan_extend = 0;
1014         if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
1015                 rxmode->jumbo_frame = 1;
1016         else
1017                 rxmode->jumbo_frame = 0;
1018         if (rx_offloads & DEV_RX_OFFLOAD_CRC_STRIP)
1019                 rxmode->hw_strip_crc = 1;
1020         else
1021                 rxmode->hw_strip_crc = 0;
1022         if (rx_offloads & DEV_RX_OFFLOAD_SCATTER)
1023                 rxmode->enable_scatter = 1;
1024         else
1025                 rxmode->enable_scatter = 0;
1026         if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
1027                 rxmode->enable_lro = 1;
1028         else
1029                 rxmode->enable_lro = 0;
1030         if (rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)
1031                 rxmode->hw_timestamp = 1;
1032         else
1033                 rxmode->hw_timestamp = 0;
1034         if (rx_offloads & DEV_RX_OFFLOAD_SECURITY)
1035                 rxmode->security = 1;
1036         else
1037                 rxmode->security = 0;
1038 }
1039
1040 const char * __rte_experimental
1041 rte_eth_dev_rx_offload_name(uint64_t offload)
1042 {
1043         const char *name = "UNKNOWN";
1044         unsigned int i;
1045
1046         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1047                 if (offload == rte_rx_offload_names[i].offload) {
1048                         name = rte_rx_offload_names[i].name;
1049                         break;
1050                 }
1051         }
1052
1053         return name;
1054 }
1055
1056 const char * __rte_experimental
1057 rte_eth_dev_tx_offload_name(uint64_t offload)
1058 {
1059         const char *name = "UNKNOWN";
1060         unsigned int i;
1061
1062         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1063                 if (offload == rte_tx_offload_names[i].offload) {
1064                         name = rte_tx_offload_names[i].name;
1065                         break;
1066                 }
1067         }
1068
1069         return name;
1070 }
1071
1072 int
1073 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1074                       const struct rte_eth_conf *dev_conf)
1075 {
1076         struct rte_eth_dev *dev;
1077         struct rte_eth_dev_info dev_info;
1078         struct rte_eth_conf local_conf = *dev_conf;
1079         int diag;
1080
1081         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1082
1083         dev = &rte_eth_devices[port_id];
1084
1085         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1086         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
1087
1088         /* If number of queues specified by application for both Rx and Tx is
1089          * zero, use driver preferred values. This cannot be done individually
1090          * as it is valid for either Tx or Rx (but not both) to be zero.
1091          * If driver does not provide any preferred valued, fall back on
1092          * EAL defaults.
1093          */
1094         if (nb_rx_q == 0 && nb_tx_q == 0) {
1095                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1096                 if (nb_rx_q == 0)
1097                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1098                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1099                 if (nb_tx_q == 0)
1100                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1101         }
1102
1103         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1104                 RTE_PMD_DEBUG_TRACE(
1105                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1106                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1107                 return -EINVAL;
1108         }
1109
1110         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1111                 RTE_PMD_DEBUG_TRACE(
1112                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1113                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1114                 return -EINVAL;
1115         }
1116
1117         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1118         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1119
1120         if (dev->data->dev_started) {
1121                 RTE_PMD_DEBUG_TRACE(
1122                     "port %d must be stopped to allow configuration\n", port_id);
1123                 return -EBUSY;
1124         }
1125
1126         /*
1127          * Convert between the offloads API to enable PMDs to support
1128          * only one of them.
1129          */
1130         if (dev_conf->rxmode.ignore_offload_bitfield == 0) {
1131                 rte_eth_convert_rx_offload_bitfield(
1132                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1133         } else {
1134                 rte_eth_convert_rx_offloads(dev_conf->rxmode.offloads,
1135                                             &local_conf.rxmode);
1136         }
1137
1138         /* Copy the dev_conf parameter into the dev structure */
1139         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1140
1141         /*
1142          * Check that the numbers of RX and TX queues are not greater
1143          * than the maximum number of RX and TX queues supported by the
1144          * configured device.
1145          */
1146         if (nb_rx_q > dev_info.max_rx_queues) {
1147                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1148                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1149                 return -EINVAL;
1150         }
1151
1152         if (nb_tx_q > dev_info.max_tx_queues) {
1153                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1154                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1155                 return -EINVAL;
1156         }
1157
1158         /* Check that the device supports requested interrupts */
1159         if ((dev_conf->intr_conf.lsc == 1) &&
1160                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1161                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1162                                         dev->device->driver->name);
1163                         return -EINVAL;
1164         }
1165         if ((dev_conf->intr_conf.rmv == 1) &&
1166             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1167                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1168                                     dev->device->driver->name);
1169                 return -EINVAL;
1170         }
1171
1172         /*
1173          * If jumbo frames are enabled, check that the maximum RX packet
1174          * length is supported by the configured device.
1175          */
1176         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1177                 if (dev_conf->rxmode.max_rx_pkt_len >
1178                     dev_info.max_rx_pktlen) {
1179                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1180                                 " > max valid value %u\n",
1181                                 port_id,
1182                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1183                                 (unsigned)dev_info.max_rx_pktlen);
1184                         return -EINVAL;
1185                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1186                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1187                                 " < min valid value %u\n",
1188                                 port_id,
1189                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1190                                 (unsigned)ETHER_MIN_LEN);
1191                         return -EINVAL;
1192                 }
1193         } else {
1194                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1195                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1196                         /* Use default value */
1197                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1198                                                         ETHER_MAX_LEN;
1199         }
1200
1201         /*
1202          * Setup new number of RX/TX queues and reconfigure device.
1203          */
1204         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1205         if (diag != 0) {
1206                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1207                                 port_id, diag);
1208                 return diag;
1209         }
1210
1211         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1212         if (diag != 0) {
1213                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1214                                 port_id, diag);
1215                 rte_eth_dev_rx_queue_config(dev, 0);
1216                 return diag;
1217         }
1218
1219         diag = (*dev->dev_ops->dev_configure)(dev);
1220         if (diag != 0) {
1221                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1222                                 port_id, diag);
1223                 rte_eth_dev_rx_queue_config(dev, 0);
1224                 rte_eth_dev_tx_queue_config(dev, 0);
1225                 return eth_err(port_id, diag);
1226         }
1227
1228         /* Initialize Rx profiling if enabled at compilation time. */
1229         diag = __rte_eth_profile_rx_init(port_id, dev);
1230         if (diag != 0) {
1231                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1232                                 port_id, diag);
1233                 rte_eth_dev_rx_queue_config(dev, 0);
1234                 rte_eth_dev_tx_queue_config(dev, 0);
1235                 return eth_err(port_id, diag);
1236         }
1237
1238         return 0;
1239 }
1240
1241 void
1242 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1243 {
1244         if (dev->data->dev_started) {
1245                 RTE_PMD_DEBUG_TRACE(
1246                         "port %d must be stopped to allow reset\n",
1247                         dev->data->port_id);
1248                 return;
1249         }
1250
1251         rte_eth_dev_rx_queue_config(dev, 0);
1252         rte_eth_dev_tx_queue_config(dev, 0);
1253
1254         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1255 }
1256
1257 static void
1258 rte_eth_dev_config_restore(uint16_t port_id)
1259 {
1260         struct rte_eth_dev *dev;
1261         struct rte_eth_dev_info dev_info;
1262         struct ether_addr *addr;
1263         uint16_t i;
1264         uint32_t pool = 0;
1265         uint64_t pool_mask;
1266
1267         dev = &rte_eth_devices[port_id];
1268
1269         rte_eth_dev_info_get(port_id, &dev_info);
1270
1271         /* replay MAC address configuration including default MAC */
1272         addr = &dev->data->mac_addrs[0];
1273         if (*dev->dev_ops->mac_addr_set != NULL)
1274                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1275         else if (*dev->dev_ops->mac_addr_add != NULL)
1276                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1277
1278         if (*dev->dev_ops->mac_addr_add != NULL) {
1279                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1280                         addr = &dev->data->mac_addrs[i];
1281
1282                         /* skip zero address */
1283                         if (is_zero_ether_addr(addr))
1284                                 continue;
1285
1286                         pool = 0;
1287                         pool_mask = dev->data->mac_pool_sel[i];
1288
1289                         do {
1290                                 if (pool_mask & 1ULL)
1291                                         (*dev->dev_ops->mac_addr_add)(dev,
1292                                                 addr, i, pool);
1293                                 pool_mask >>= 1;
1294                                 pool++;
1295                         } while (pool_mask);
1296                 }
1297         }
1298
1299         /* replay promiscuous configuration */
1300         if (rte_eth_promiscuous_get(port_id) == 1)
1301                 rte_eth_promiscuous_enable(port_id);
1302         else if (rte_eth_promiscuous_get(port_id) == 0)
1303                 rte_eth_promiscuous_disable(port_id);
1304
1305         /* replay all multicast configuration */
1306         if (rte_eth_allmulticast_get(port_id) == 1)
1307                 rte_eth_allmulticast_enable(port_id);
1308         else if (rte_eth_allmulticast_get(port_id) == 0)
1309                 rte_eth_allmulticast_disable(port_id);
1310 }
1311
1312 int
1313 rte_eth_dev_start(uint16_t port_id)
1314 {
1315         struct rte_eth_dev *dev;
1316         int diag;
1317
1318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1319
1320         dev = &rte_eth_devices[port_id];
1321
1322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1323
1324         if (dev->data->dev_started != 0) {
1325                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1326                         " already started\n",
1327                         port_id);
1328                 return 0;
1329         }
1330
1331         diag = (*dev->dev_ops->dev_start)(dev);
1332         if (diag == 0)
1333                 dev->data->dev_started = 1;
1334         else
1335                 return eth_err(port_id, diag);
1336
1337         rte_eth_dev_config_restore(port_id);
1338
1339         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1340                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1341                 (*dev->dev_ops->link_update)(dev, 0);
1342         }
1343         return 0;
1344 }
1345
1346 void
1347 rte_eth_dev_stop(uint16_t port_id)
1348 {
1349         struct rte_eth_dev *dev;
1350
1351         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1352         dev = &rte_eth_devices[port_id];
1353
1354         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1355
1356         if (dev->data->dev_started == 0) {
1357                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1358                         " already stopped\n",
1359                         port_id);
1360                 return;
1361         }
1362
1363         dev->data->dev_started = 0;
1364         (*dev->dev_ops->dev_stop)(dev);
1365 }
1366
1367 int
1368 rte_eth_dev_set_link_up(uint16_t port_id)
1369 {
1370         struct rte_eth_dev *dev;
1371
1372         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1373
1374         dev = &rte_eth_devices[port_id];
1375
1376         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1377         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1378 }
1379
1380 int
1381 rte_eth_dev_set_link_down(uint16_t port_id)
1382 {
1383         struct rte_eth_dev *dev;
1384
1385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1386
1387         dev = &rte_eth_devices[port_id];
1388
1389         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1390         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1391 }
1392
1393 void
1394 rte_eth_dev_close(uint16_t port_id)
1395 {
1396         struct rte_eth_dev *dev;
1397
1398         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1399         dev = &rte_eth_devices[port_id];
1400
1401         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1402         dev->data->dev_started = 0;
1403         (*dev->dev_ops->dev_close)(dev);
1404
1405         dev->data->nb_rx_queues = 0;
1406         rte_free(dev->data->rx_queues);
1407         dev->data->rx_queues = NULL;
1408         dev->data->nb_tx_queues = 0;
1409         rte_free(dev->data->tx_queues);
1410         dev->data->tx_queues = NULL;
1411 }
1412
1413 int
1414 rte_eth_dev_reset(uint16_t port_id)
1415 {
1416         struct rte_eth_dev *dev;
1417         int ret;
1418
1419         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1420         dev = &rte_eth_devices[port_id];
1421
1422         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1423
1424         rte_eth_dev_stop(port_id);
1425         ret = dev->dev_ops->dev_reset(dev);
1426
1427         return eth_err(port_id, ret);
1428 }
1429
1430 int __rte_experimental
1431 rte_eth_dev_is_removed(uint16_t port_id)
1432 {
1433         struct rte_eth_dev *dev;
1434         int ret;
1435
1436         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1437
1438         dev = &rte_eth_devices[port_id];
1439
1440         if (dev->state == RTE_ETH_DEV_REMOVED)
1441                 return 1;
1442
1443         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1444
1445         ret = dev->dev_ops->is_removed(dev);
1446         if (ret != 0)
1447                 /* Device is physically removed. */
1448                 dev->state = RTE_ETH_DEV_REMOVED;
1449
1450         return ret;
1451 }
1452
1453 int
1454 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1455                        uint16_t nb_rx_desc, unsigned int socket_id,
1456                        const struct rte_eth_rxconf *rx_conf,
1457                        struct rte_mempool *mp)
1458 {
1459         int ret;
1460         uint32_t mbp_buf_size;
1461         struct rte_eth_dev *dev;
1462         struct rte_eth_dev_info dev_info;
1463         struct rte_eth_rxconf local_conf;
1464         void **rxq;
1465
1466         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1467
1468         dev = &rte_eth_devices[port_id];
1469         if (rx_queue_id >= dev->data->nb_rx_queues) {
1470                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1471                 return -EINVAL;
1472         }
1473
1474         if (dev->data->dev_started) {
1475                 RTE_PMD_DEBUG_TRACE(
1476                     "port %d must be stopped to allow configuration\n", port_id);
1477                 return -EBUSY;
1478         }
1479
1480         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1481         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1482
1483         /*
1484          * Check the size of the mbuf data buffer.
1485          * This value must be provided in the private data of the memory pool.
1486          * First check that the memory pool has a valid private data.
1487          */
1488         rte_eth_dev_info_get(port_id, &dev_info);
1489         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1490                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1491                                 mp->name, (int) mp->private_data_size,
1492                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1493                 return -ENOSPC;
1494         }
1495         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1496
1497         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1498                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1499                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1500                                 "=%d)\n",
1501                                 mp->name,
1502                                 (int)mbp_buf_size,
1503                                 (int)(RTE_PKTMBUF_HEADROOM +
1504                                       dev_info.min_rx_bufsize),
1505                                 (int)RTE_PKTMBUF_HEADROOM,
1506                                 (int)dev_info.min_rx_bufsize);
1507                 return -EINVAL;
1508         }
1509
1510         /* Use default specified by driver, if nb_rx_desc is zero */
1511         if (nb_rx_desc == 0) {
1512                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1513                 /* If driver default is also zero, fall back on EAL default */
1514                 if (nb_rx_desc == 0)
1515                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1516         }
1517
1518         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1519                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1520                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1521
1522                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1523                         "should be: <= %hu, = %hu, and a product of %hu\n",
1524                         nb_rx_desc,
1525                         dev_info.rx_desc_lim.nb_max,
1526                         dev_info.rx_desc_lim.nb_min,
1527                         dev_info.rx_desc_lim.nb_align);
1528                 return -EINVAL;
1529         }
1530
1531         rxq = dev->data->rx_queues;
1532         if (rxq[rx_queue_id]) {
1533                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1534                                         -ENOTSUP);
1535                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1536                 rxq[rx_queue_id] = NULL;
1537         }
1538
1539         if (rx_conf == NULL)
1540                 rx_conf = &dev_info.default_rxconf;
1541
1542         local_conf = *rx_conf;
1543         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1544                 /**
1545                  * Reflect port offloads to queue offloads in order for
1546                  * offloads to not be discarded.
1547                  */
1548                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1549                                                     &local_conf.offloads);
1550         }
1551
1552         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1553                                               socket_id, &local_conf, mp);
1554         if (!ret) {
1555                 if (!dev->data->min_rx_buf_size ||
1556                     dev->data->min_rx_buf_size > mbp_buf_size)
1557                         dev->data->min_rx_buf_size = mbp_buf_size;
1558         }
1559
1560         return eth_err(port_id, ret);
1561 }
1562
1563 /**
1564  * A conversion function from txq_flags API.
1565  */
1566 static void
1567 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1568 {
1569         uint64_t offloads = 0;
1570
1571         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1572                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1573         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1574                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1575         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1576                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1577         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1578                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1579         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1580                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1581         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1582             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1583                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1584
1585         *tx_offloads = offloads;
1586 }
1587
1588 /**
1589  * A conversion function from offloads API.
1590  */
1591 static void
1592 rte_eth_convert_txq_offloads(const uint64_t tx_offloads, uint32_t *txq_flags)
1593 {
1594         uint32_t flags = 0;
1595
1596         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1597                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1598         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1599                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1600         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1601                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1602         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1603                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1604         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1605                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1606         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1607                 flags |= (ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP);
1608
1609         *txq_flags = flags;
1610 }
1611
1612 int
1613 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1614                        uint16_t nb_tx_desc, unsigned int socket_id,
1615                        const struct rte_eth_txconf *tx_conf)
1616 {
1617         struct rte_eth_dev *dev;
1618         struct rte_eth_dev_info dev_info;
1619         struct rte_eth_txconf local_conf;
1620         void **txq;
1621
1622         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1623
1624         dev = &rte_eth_devices[port_id];
1625         if (tx_queue_id >= dev->data->nb_tx_queues) {
1626                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1627                 return -EINVAL;
1628         }
1629
1630         if (dev->data->dev_started) {
1631                 RTE_PMD_DEBUG_TRACE(
1632                     "port %d must be stopped to allow configuration\n", port_id);
1633                 return -EBUSY;
1634         }
1635
1636         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1638
1639         rte_eth_dev_info_get(port_id, &dev_info);
1640
1641         /* Use default specified by driver, if nb_tx_desc is zero */
1642         if (nb_tx_desc == 0) {
1643                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1644                 /* If driver default is zero, fall back on EAL default */
1645                 if (nb_tx_desc == 0)
1646                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1647         }
1648         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1649             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1650             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1651                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1652                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1653                                 nb_tx_desc,
1654                                 dev_info.tx_desc_lim.nb_max,
1655                                 dev_info.tx_desc_lim.nb_min,
1656                                 dev_info.tx_desc_lim.nb_align);
1657                 return -EINVAL;
1658         }
1659
1660         txq = dev->data->tx_queues;
1661         if (txq[tx_queue_id]) {
1662                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1663                                         -ENOTSUP);
1664                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1665                 txq[tx_queue_id] = NULL;
1666         }
1667
1668         if (tx_conf == NULL)
1669                 tx_conf = &dev_info.default_txconf;
1670
1671         /*
1672          * Convert between the offloads API to enable PMDs to support
1673          * only one of them.
1674          */
1675         local_conf = *tx_conf;
1676         if (tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE) {
1677                 rte_eth_convert_txq_offloads(tx_conf->offloads,
1678                                              &local_conf.txq_flags);
1679                 /* Keep the ignore flag. */
1680                 local_conf.txq_flags |= ETH_TXQ_FLAGS_IGNORE;
1681         } else {
1682                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1683                                           &local_conf.offloads);
1684         }
1685
1686         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1687                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1688 }
1689
1690 void
1691 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1692                 void *userdata __rte_unused)
1693 {
1694         unsigned i;
1695
1696         for (i = 0; i < unsent; i++)
1697                 rte_pktmbuf_free(pkts[i]);
1698 }
1699
1700 void
1701 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1702                 void *userdata)
1703 {
1704         uint64_t *count = userdata;
1705         unsigned i;
1706
1707         for (i = 0; i < unsent; i++)
1708                 rte_pktmbuf_free(pkts[i]);
1709
1710         *count += unsent;
1711 }
1712
1713 int
1714 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1715                 buffer_tx_error_fn cbfn, void *userdata)
1716 {
1717         buffer->error_callback = cbfn;
1718         buffer->error_userdata = userdata;
1719         return 0;
1720 }
1721
1722 int
1723 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1724 {
1725         int ret = 0;
1726
1727         if (buffer == NULL)
1728                 return -EINVAL;
1729
1730         buffer->size = size;
1731         if (buffer->error_callback == NULL) {
1732                 ret = rte_eth_tx_buffer_set_err_callback(
1733                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1734         }
1735
1736         return ret;
1737 }
1738
1739 int
1740 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1741 {
1742         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1743         int ret;
1744
1745         /* Validate Input Data. Bail if not valid or not supported. */
1746         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1747         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1748
1749         /* Call driver to free pending mbufs. */
1750         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1751                                                free_cnt);
1752         return eth_err(port_id, ret);
1753 }
1754
1755 void
1756 rte_eth_promiscuous_enable(uint16_t port_id)
1757 {
1758         struct rte_eth_dev *dev;
1759
1760         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1761         dev = &rte_eth_devices[port_id];
1762
1763         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1764         (*dev->dev_ops->promiscuous_enable)(dev);
1765         dev->data->promiscuous = 1;
1766 }
1767
1768 void
1769 rte_eth_promiscuous_disable(uint16_t port_id)
1770 {
1771         struct rte_eth_dev *dev;
1772
1773         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1774         dev = &rte_eth_devices[port_id];
1775
1776         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1777         dev->data->promiscuous = 0;
1778         (*dev->dev_ops->promiscuous_disable)(dev);
1779 }
1780
1781 int
1782 rte_eth_promiscuous_get(uint16_t port_id)
1783 {
1784         struct rte_eth_dev *dev;
1785
1786         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1787
1788         dev = &rte_eth_devices[port_id];
1789         return dev->data->promiscuous;
1790 }
1791
1792 void
1793 rte_eth_allmulticast_enable(uint16_t port_id)
1794 {
1795         struct rte_eth_dev *dev;
1796
1797         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1798         dev = &rte_eth_devices[port_id];
1799
1800         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1801         (*dev->dev_ops->allmulticast_enable)(dev);
1802         dev->data->all_multicast = 1;
1803 }
1804
1805 void
1806 rte_eth_allmulticast_disable(uint16_t port_id)
1807 {
1808         struct rte_eth_dev *dev;
1809
1810         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1811         dev = &rte_eth_devices[port_id];
1812
1813         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1814         dev->data->all_multicast = 0;
1815         (*dev->dev_ops->allmulticast_disable)(dev);
1816 }
1817
1818 int
1819 rte_eth_allmulticast_get(uint16_t port_id)
1820 {
1821         struct rte_eth_dev *dev;
1822
1823         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1824
1825         dev = &rte_eth_devices[port_id];
1826         return dev->data->all_multicast;
1827 }
1828
1829 void
1830 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1831 {
1832         struct rte_eth_dev *dev;
1833
1834         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1835         dev = &rte_eth_devices[port_id];
1836
1837         if (dev->data->dev_conf.intr_conf.lsc &&
1838             dev->data->dev_started)
1839                 rte_eth_linkstatus_get(dev, eth_link);
1840         else {
1841                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1842                 (*dev->dev_ops->link_update)(dev, 1);
1843                 *eth_link = dev->data->dev_link;
1844         }
1845 }
1846
1847 void
1848 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1849 {
1850         struct rte_eth_dev *dev;
1851
1852         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1853         dev = &rte_eth_devices[port_id];
1854
1855         if (dev->data->dev_conf.intr_conf.lsc &&
1856             dev->data->dev_started)
1857                 rte_eth_linkstatus_get(dev, eth_link);
1858         else {
1859                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1860                 (*dev->dev_ops->link_update)(dev, 0);
1861                 *eth_link = dev->data->dev_link;
1862         }
1863 }
1864
1865 int
1866 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1867 {
1868         struct rte_eth_dev *dev;
1869
1870         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1871
1872         dev = &rte_eth_devices[port_id];
1873         memset(stats, 0, sizeof(*stats));
1874
1875         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1876         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1877         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1878 }
1879
1880 int
1881 rte_eth_stats_reset(uint16_t port_id)
1882 {
1883         struct rte_eth_dev *dev;
1884
1885         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1886         dev = &rte_eth_devices[port_id];
1887
1888         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1889         (*dev->dev_ops->stats_reset)(dev);
1890         dev->data->rx_mbuf_alloc_failed = 0;
1891
1892         return 0;
1893 }
1894
1895 static inline int
1896 get_xstats_basic_count(struct rte_eth_dev *dev)
1897 {
1898         uint16_t nb_rxqs, nb_txqs;
1899         int count;
1900
1901         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1902         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1903
1904         count = RTE_NB_STATS;
1905         count += nb_rxqs * RTE_NB_RXQ_STATS;
1906         count += nb_txqs * RTE_NB_TXQ_STATS;
1907
1908         return count;
1909 }
1910
1911 static int
1912 get_xstats_count(uint16_t port_id)
1913 {
1914         struct rte_eth_dev *dev;
1915         int count;
1916
1917         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1918         dev = &rte_eth_devices[port_id];
1919         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1920                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1921                                 NULL, 0);
1922                 if (count < 0)
1923                         return eth_err(port_id, count);
1924         }
1925         if (dev->dev_ops->xstats_get_names != NULL) {
1926                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1927                 if (count < 0)
1928                         return eth_err(port_id, count);
1929         } else
1930                 count = 0;
1931
1932
1933         count += get_xstats_basic_count(dev);
1934
1935         return count;
1936 }
1937
1938 int
1939 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1940                 uint64_t *id)
1941 {
1942         int cnt_xstats, idx_xstat;
1943
1944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1945
1946         if (!id) {
1947                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
1948                 return -ENOMEM;
1949         }
1950
1951         if (!xstat_name) {
1952                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
1953                 return -ENOMEM;
1954         }
1955
1956         /* Get count */
1957         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1958         if (cnt_xstats  < 0) {
1959                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
1960                 return -ENODEV;
1961         }
1962
1963         /* Get id-name lookup table */
1964         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1965
1966         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1967                         port_id, xstats_names, cnt_xstats, NULL)) {
1968                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
1969                 return -1;
1970         }
1971
1972         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1973                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1974                         *id = idx_xstat;
1975                         return 0;
1976                 };
1977         }
1978
1979         return -EINVAL;
1980 }
1981
1982 /* retrieve basic stats names */
1983 static int
1984 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
1985         struct rte_eth_xstat_name *xstats_names)
1986 {
1987         int cnt_used_entries = 0;
1988         uint32_t idx, id_queue;
1989         uint16_t num_q;
1990
1991         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1992                 snprintf(xstats_names[cnt_used_entries].name,
1993                         sizeof(xstats_names[0].name),
1994                         "%s", rte_stats_strings[idx].name);
1995                 cnt_used_entries++;
1996         }
1997         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1998         for (id_queue = 0; id_queue < num_q; id_queue++) {
1999                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2000                         snprintf(xstats_names[cnt_used_entries].name,
2001                                 sizeof(xstats_names[0].name),
2002                                 "rx_q%u%s",
2003                                 id_queue, rte_rxq_stats_strings[idx].name);
2004                         cnt_used_entries++;
2005                 }
2006
2007         }
2008         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2009         for (id_queue = 0; id_queue < num_q; id_queue++) {
2010                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2011                         snprintf(xstats_names[cnt_used_entries].name,
2012                                 sizeof(xstats_names[0].name),
2013                                 "tx_q%u%s",
2014                                 id_queue, rte_txq_stats_strings[idx].name);
2015                         cnt_used_entries++;
2016                 }
2017         }
2018         return cnt_used_entries;
2019 }
2020
2021 /* retrieve ethdev extended statistics names */
2022 int
2023 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2024         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2025         uint64_t *ids)
2026 {
2027         struct rte_eth_xstat_name *xstats_names_copy;
2028         unsigned int no_basic_stat_requested = 1;
2029         unsigned int no_ext_stat_requested = 1;
2030         unsigned int expected_entries;
2031         unsigned int basic_count;
2032         struct rte_eth_dev *dev;
2033         unsigned int i;
2034         int ret;
2035
2036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2037         dev = &rte_eth_devices[port_id];
2038
2039         basic_count = get_xstats_basic_count(dev);
2040         ret = get_xstats_count(port_id);
2041         if (ret < 0)
2042                 return ret;
2043         expected_entries = (unsigned int)ret;
2044
2045         /* Return max number of stats if no ids given */
2046         if (!ids) {
2047                 if (!xstats_names)
2048                         return expected_entries;
2049                 else if (xstats_names && size < expected_entries)
2050                         return expected_entries;
2051         }
2052
2053         if (ids && !xstats_names)
2054                 return -EINVAL;
2055
2056         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2057                 uint64_t ids_copy[size];
2058
2059                 for (i = 0; i < size; i++) {
2060                         if (ids[i] < basic_count) {
2061                                 no_basic_stat_requested = 0;
2062                                 break;
2063                         }
2064
2065                         /*
2066                          * Convert ids to xstats ids that PMD knows.
2067                          * ids known by user are basic + extended stats.
2068                          */
2069                         ids_copy[i] = ids[i] - basic_count;
2070                 }
2071
2072                 if (no_basic_stat_requested)
2073                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2074                                         xstats_names, ids_copy, size);
2075         }
2076
2077         /* Retrieve all stats */
2078         if (!ids) {
2079                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2080                                 expected_entries);
2081                 if (num_stats < 0 || num_stats > (int)expected_entries)
2082                         return num_stats;
2083                 else
2084                         return expected_entries;
2085         }
2086
2087         xstats_names_copy = calloc(expected_entries,
2088                 sizeof(struct rte_eth_xstat_name));
2089
2090         if (!xstats_names_copy) {
2091                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2092                 return -ENOMEM;
2093         }
2094
2095         if (ids) {
2096                 for (i = 0; i < size; i++) {
2097                         if (ids[i] >= basic_count) {
2098                                 no_ext_stat_requested = 0;
2099                                 break;
2100                         }
2101                 }
2102         }
2103
2104         /* Fill xstats_names_copy structure */
2105         if (ids && no_ext_stat_requested) {
2106                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2107         } else {
2108                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2109                         expected_entries);
2110                 if (ret < 0) {
2111                         free(xstats_names_copy);
2112                         return ret;
2113                 }
2114         }
2115
2116         /* Filter stats */
2117         for (i = 0; i < size; i++) {
2118                 if (ids[i] >= expected_entries) {
2119                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2120                         free(xstats_names_copy);
2121                         return -1;
2122                 }
2123                 xstats_names[i] = xstats_names_copy[ids[i]];
2124         }
2125
2126         free(xstats_names_copy);
2127         return size;
2128 }
2129
2130 int
2131 rte_eth_xstats_get_names(uint16_t port_id,
2132         struct rte_eth_xstat_name *xstats_names,
2133         unsigned int size)
2134 {
2135         struct rte_eth_dev *dev;
2136         int cnt_used_entries;
2137         int cnt_expected_entries;
2138         int cnt_driver_entries;
2139
2140         cnt_expected_entries = get_xstats_count(port_id);
2141         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2142                         (int)size < cnt_expected_entries)
2143                 return cnt_expected_entries;
2144
2145         /* port_id checked in get_xstats_count() */
2146         dev = &rte_eth_devices[port_id];
2147
2148         cnt_used_entries = rte_eth_basic_stats_get_names(
2149                 dev, xstats_names);
2150
2151         if (dev->dev_ops->xstats_get_names != NULL) {
2152                 /* If there are any driver-specific xstats, append them
2153                  * to end of list.
2154                  */
2155                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2156                         dev,
2157                         xstats_names + cnt_used_entries,
2158                         size - cnt_used_entries);
2159                 if (cnt_driver_entries < 0)
2160                         return eth_err(port_id, cnt_driver_entries);
2161                 cnt_used_entries += cnt_driver_entries;
2162         }
2163
2164         return cnt_used_entries;
2165 }
2166
2167
2168 static int
2169 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2170 {
2171         struct rte_eth_dev *dev;
2172         struct rte_eth_stats eth_stats;
2173         unsigned int count = 0, i, q;
2174         uint64_t val, *stats_ptr;
2175         uint16_t nb_rxqs, nb_txqs;
2176         int ret;
2177
2178         ret = rte_eth_stats_get(port_id, &eth_stats);
2179         if (ret < 0)
2180                 return ret;
2181
2182         dev = &rte_eth_devices[port_id];
2183
2184         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2185         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2186
2187         /* global stats */
2188         for (i = 0; i < RTE_NB_STATS; i++) {
2189                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2190                                         rte_stats_strings[i].offset);
2191                 val = *stats_ptr;
2192                 xstats[count++].value = val;
2193         }
2194
2195         /* per-rxq stats */
2196         for (q = 0; q < nb_rxqs; q++) {
2197                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2198                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2199                                         rte_rxq_stats_strings[i].offset +
2200                                         q * sizeof(uint64_t));
2201                         val = *stats_ptr;
2202                         xstats[count++].value = val;
2203                 }
2204         }
2205
2206         /* per-txq stats */
2207         for (q = 0; q < nb_txqs; q++) {
2208                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2209                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2210                                         rte_txq_stats_strings[i].offset +
2211                                         q * sizeof(uint64_t));
2212                         val = *stats_ptr;
2213                         xstats[count++].value = val;
2214                 }
2215         }
2216         return count;
2217 }
2218
2219 /* retrieve ethdev extended statistics */
2220 int
2221 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2222                          uint64_t *values, unsigned int size)
2223 {
2224         unsigned int no_basic_stat_requested = 1;
2225         unsigned int no_ext_stat_requested = 1;
2226         unsigned int num_xstats_filled;
2227         unsigned int basic_count;
2228         uint16_t expected_entries;
2229         struct rte_eth_dev *dev;
2230         unsigned int i;
2231         int ret;
2232
2233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2234         ret = get_xstats_count(port_id);
2235         if (ret < 0)
2236                 return ret;
2237         expected_entries = (uint16_t)ret;
2238         struct rte_eth_xstat xstats[expected_entries];
2239         dev = &rte_eth_devices[port_id];
2240         basic_count = get_xstats_basic_count(dev);
2241
2242         /* Return max number of stats if no ids given */
2243         if (!ids) {
2244                 if (!values)
2245                         return expected_entries;
2246                 else if (values && size < expected_entries)
2247                         return expected_entries;
2248         }
2249
2250         if (ids && !values)
2251                 return -EINVAL;
2252
2253         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2254                 unsigned int basic_count = get_xstats_basic_count(dev);
2255                 uint64_t ids_copy[size];
2256
2257                 for (i = 0; i < size; i++) {
2258                         if (ids[i] < basic_count) {
2259                                 no_basic_stat_requested = 0;
2260                                 break;
2261                         }
2262
2263                         /*
2264                          * Convert ids to xstats ids that PMD knows.
2265                          * ids known by user are basic + extended stats.
2266                          */
2267                         ids_copy[i] = ids[i] - basic_count;
2268                 }
2269
2270                 if (no_basic_stat_requested)
2271                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2272                                         values, size);
2273         }
2274
2275         if (ids) {
2276                 for (i = 0; i < size; i++) {
2277                         if (ids[i] >= basic_count) {
2278                                 no_ext_stat_requested = 0;
2279                                 break;
2280                         }
2281                 }
2282         }
2283
2284         /* Fill the xstats structure */
2285         if (ids && no_ext_stat_requested)
2286                 ret = rte_eth_basic_stats_get(port_id, xstats);
2287         else
2288                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2289
2290         if (ret < 0)
2291                 return ret;
2292         num_xstats_filled = (unsigned int)ret;
2293
2294         /* Return all stats */
2295         if (!ids) {
2296                 for (i = 0; i < num_xstats_filled; i++)
2297                         values[i] = xstats[i].value;
2298                 return expected_entries;
2299         }
2300
2301         /* Filter stats */
2302         for (i = 0; i < size; i++) {
2303                 if (ids[i] >= expected_entries) {
2304                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2305                         return -1;
2306                 }
2307                 values[i] = xstats[ids[i]].value;
2308         }
2309         return size;
2310 }
2311
2312 int
2313 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2314         unsigned int n)
2315 {
2316         struct rte_eth_dev *dev;
2317         unsigned int count = 0, i;
2318         signed int xcount = 0;
2319         uint16_t nb_rxqs, nb_txqs;
2320         int ret;
2321
2322         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2323
2324         dev = &rte_eth_devices[port_id];
2325
2326         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2327         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2328
2329         /* Return generic statistics */
2330         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2331                 (nb_txqs * RTE_NB_TXQ_STATS);
2332
2333         /* implemented by the driver */
2334         if (dev->dev_ops->xstats_get != NULL) {
2335                 /* Retrieve the xstats from the driver at the end of the
2336                  * xstats struct.
2337                  */
2338                 xcount = (*dev->dev_ops->xstats_get)(dev,
2339                                      xstats ? xstats + count : NULL,
2340                                      (n > count) ? n - count : 0);
2341
2342                 if (xcount < 0)
2343                         return eth_err(port_id, xcount);
2344         }
2345
2346         if (n < count + xcount || xstats == NULL)
2347                 return count + xcount;
2348
2349         /* now fill the xstats structure */
2350         ret = rte_eth_basic_stats_get(port_id, xstats);
2351         if (ret < 0)
2352                 return ret;
2353         count = ret;
2354
2355         for (i = 0; i < count; i++)
2356                 xstats[i].id = i;
2357         /* add an offset to driver-specific stats */
2358         for ( ; i < count + xcount; i++)
2359                 xstats[i].id += count;
2360
2361         return count + xcount;
2362 }
2363
2364 /* reset ethdev extended statistics */
2365 void
2366 rte_eth_xstats_reset(uint16_t port_id)
2367 {
2368         struct rte_eth_dev *dev;
2369
2370         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2371         dev = &rte_eth_devices[port_id];
2372
2373         /* implemented by the driver */
2374         if (dev->dev_ops->xstats_reset != NULL) {
2375                 (*dev->dev_ops->xstats_reset)(dev);
2376                 return;
2377         }
2378
2379         /* fallback to default */
2380         rte_eth_stats_reset(port_id);
2381 }
2382
2383 static int
2384 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2385                 uint8_t is_rx)
2386 {
2387         struct rte_eth_dev *dev;
2388
2389         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2390
2391         dev = &rte_eth_devices[port_id];
2392
2393         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2394         return (*dev->dev_ops->queue_stats_mapping_set)
2395                         (dev, queue_id, stat_idx, is_rx);
2396 }
2397
2398
2399 int
2400 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2401                 uint8_t stat_idx)
2402 {
2403         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2404                                                 stat_idx, STAT_QMAP_TX));
2405 }
2406
2407
2408 int
2409 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2410                 uint8_t stat_idx)
2411 {
2412         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2413                                                 stat_idx, STAT_QMAP_RX));
2414 }
2415
2416 int
2417 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2418 {
2419         struct rte_eth_dev *dev;
2420
2421         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2422         dev = &rte_eth_devices[port_id];
2423
2424         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2425         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2426                                                         fw_version, fw_size));
2427 }
2428
2429 void
2430 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2431 {
2432         struct rte_eth_dev *dev;
2433         const struct rte_eth_desc_lim lim = {
2434                 .nb_max = UINT16_MAX,
2435                 .nb_min = 0,
2436                 .nb_align = 1,
2437         };
2438
2439         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2440         dev = &rte_eth_devices[port_id];
2441
2442         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2443         dev_info->rx_desc_lim = lim;
2444         dev_info->tx_desc_lim = lim;
2445         dev_info->device = dev->device;
2446
2447         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2448         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2449         dev_info->driver_name = dev->device->driver->name;
2450         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2451         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2452 }
2453
2454 int
2455 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2456                                  uint32_t *ptypes, int num)
2457 {
2458         int i, j;
2459         struct rte_eth_dev *dev;
2460         const uint32_t *all_ptypes;
2461
2462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2463         dev = &rte_eth_devices[port_id];
2464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2465         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2466
2467         if (!all_ptypes)
2468                 return 0;
2469
2470         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2471                 if (all_ptypes[i] & ptype_mask) {
2472                         if (j < num)
2473                                 ptypes[j] = all_ptypes[i];
2474                         j++;
2475                 }
2476
2477         return j;
2478 }
2479
2480 void
2481 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2482 {
2483         struct rte_eth_dev *dev;
2484
2485         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2486         dev = &rte_eth_devices[port_id];
2487         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2488 }
2489
2490
2491 int
2492 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2493 {
2494         struct rte_eth_dev *dev;
2495
2496         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2497
2498         dev = &rte_eth_devices[port_id];
2499         *mtu = dev->data->mtu;
2500         return 0;
2501 }
2502
2503 int
2504 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2505 {
2506         int ret;
2507         struct rte_eth_dev *dev;
2508
2509         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2510         dev = &rte_eth_devices[port_id];
2511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2512
2513         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2514         if (!ret)
2515                 dev->data->mtu = mtu;
2516
2517         return eth_err(port_id, ret);
2518 }
2519
2520 int
2521 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2522 {
2523         struct rte_eth_dev *dev;
2524         int ret;
2525
2526         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2527         dev = &rte_eth_devices[port_id];
2528         if (!(dev->data->dev_conf.rxmode.offloads &
2529               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2530                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2531                 return -ENOSYS;
2532         }
2533
2534         if (vlan_id > 4095) {
2535                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2536                                 port_id, (unsigned) vlan_id);
2537                 return -EINVAL;
2538         }
2539         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2540
2541         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2542         if (ret == 0) {
2543                 struct rte_vlan_filter_conf *vfc;
2544                 int vidx;
2545                 int vbit;
2546
2547                 vfc = &dev->data->vlan_filter_conf;
2548                 vidx = vlan_id / 64;
2549                 vbit = vlan_id % 64;
2550
2551                 if (on)
2552                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2553                 else
2554                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2555         }
2556
2557         return eth_err(port_id, ret);
2558 }
2559
2560 int
2561 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2562                                     int on)
2563 {
2564         struct rte_eth_dev *dev;
2565
2566         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2567         dev = &rte_eth_devices[port_id];
2568         if (rx_queue_id >= dev->data->nb_rx_queues) {
2569                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2570                 return -EINVAL;
2571         }
2572
2573         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2574         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2575
2576         return 0;
2577 }
2578
2579 int
2580 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2581                                 enum rte_vlan_type vlan_type,
2582                                 uint16_t tpid)
2583 {
2584         struct rte_eth_dev *dev;
2585
2586         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2587         dev = &rte_eth_devices[port_id];
2588         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2589
2590         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2591                                                                tpid));
2592 }
2593
2594 int
2595 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2596 {
2597         struct rte_eth_dev *dev;
2598         int ret = 0;
2599         int mask = 0;
2600         int cur, org = 0;
2601         uint64_t orig_offloads;
2602
2603         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2604         dev = &rte_eth_devices[port_id];
2605
2606         /* save original values in case of failure */
2607         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2608
2609         /*check which option changed by application*/
2610         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2611         org = !!(dev->data->dev_conf.rxmode.offloads &
2612                  DEV_RX_OFFLOAD_VLAN_STRIP);
2613         if (cur != org) {
2614                 if (cur)
2615                         dev->data->dev_conf.rxmode.offloads |=
2616                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2617                 else
2618                         dev->data->dev_conf.rxmode.offloads &=
2619                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2620                 mask |= ETH_VLAN_STRIP_MASK;
2621         }
2622
2623         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2624         org = !!(dev->data->dev_conf.rxmode.offloads &
2625                  DEV_RX_OFFLOAD_VLAN_FILTER);
2626         if (cur != org) {
2627                 if (cur)
2628                         dev->data->dev_conf.rxmode.offloads |=
2629                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2630                 else
2631                         dev->data->dev_conf.rxmode.offloads &=
2632                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2633                 mask |= ETH_VLAN_FILTER_MASK;
2634         }
2635
2636         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2637         org = !!(dev->data->dev_conf.rxmode.offloads &
2638                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2639         if (cur != org) {
2640                 if (cur)
2641                         dev->data->dev_conf.rxmode.offloads |=
2642                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2643                 else
2644                         dev->data->dev_conf.rxmode.offloads &=
2645                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2646                 mask |= ETH_VLAN_EXTEND_MASK;
2647         }
2648
2649         /*no change*/
2650         if (mask == 0)
2651                 return ret;
2652
2653         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2654
2655         /*
2656          * Convert to the offload bitfield API just in case the underlying PMD
2657          * still supporting it.
2658          */
2659         rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2660                                     &dev->data->dev_conf.rxmode);
2661         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2662         if (ret) {
2663                 /* hit an error restore  original values */
2664                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2665                 rte_eth_convert_rx_offloads(dev->data->dev_conf.rxmode.offloads,
2666                                             &dev->data->dev_conf.rxmode);
2667         }
2668
2669         return eth_err(port_id, ret);
2670 }
2671
2672 int
2673 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2674 {
2675         struct rte_eth_dev *dev;
2676         int ret = 0;
2677
2678         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2679         dev = &rte_eth_devices[port_id];
2680
2681         if (dev->data->dev_conf.rxmode.offloads &
2682             DEV_RX_OFFLOAD_VLAN_STRIP)
2683                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2684
2685         if (dev->data->dev_conf.rxmode.offloads &
2686             DEV_RX_OFFLOAD_VLAN_FILTER)
2687                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2688
2689         if (dev->data->dev_conf.rxmode.offloads &
2690             DEV_RX_OFFLOAD_VLAN_EXTEND)
2691                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2692
2693         return ret;
2694 }
2695
2696 int
2697 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2698 {
2699         struct rte_eth_dev *dev;
2700
2701         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2702         dev = &rte_eth_devices[port_id];
2703         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2704
2705         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2706 }
2707
2708 int
2709 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2710 {
2711         struct rte_eth_dev *dev;
2712
2713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2714         dev = &rte_eth_devices[port_id];
2715         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2716         memset(fc_conf, 0, sizeof(*fc_conf));
2717         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2718 }
2719
2720 int
2721 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2722 {
2723         struct rte_eth_dev *dev;
2724
2725         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2726         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2727                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2728                 return -EINVAL;
2729         }
2730
2731         dev = &rte_eth_devices[port_id];
2732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2733         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2734 }
2735
2736 int
2737 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2738                                    struct rte_eth_pfc_conf *pfc_conf)
2739 {
2740         struct rte_eth_dev *dev;
2741
2742         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2743         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2744                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2745                 return -EINVAL;
2746         }
2747
2748         dev = &rte_eth_devices[port_id];
2749         /* High water, low water validation are device specific */
2750         if  (*dev->dev_ops->priority_flow_ctrl_set)
2751                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2752                                         (dev, pfc_conf));
2753         return -ENOTSUP;
2754 }
2755
2756 static int
2757 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2758                         uint16_t reta_size)
2759 {
2760         uint16_t i, num;
2761
2762         if (!reta_conf)
2763                 return -EINVAL;
2764
2765         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2766         for (i = 0; i < num; i++) {
2767                 if (reta_conf[i].mask)
2768                         return 0;
2769         }
2770
2771         return -EINVAL;
2772 }
2773
2774 static int
2775 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2776                          uint16_t reta_size,
2777                          uint16_t max_rxq)
2778 {
2779         uint16_t i, idx, shift;
2780
2781         if (!reta_conf)
2782                 return -EINVAL;
2783
2784         if (max_rxq == 0) {
2785                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2786                 return -EINVAL;
2787         }
2788
2789         for (i = 0; i < reta_size; i++) {
2790                 idx = i / RTE_RETA_GROUP_SIZE;
2791                 shift = i % RTE_RETA_GROUP_SIZE;
2792                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2793                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2794                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2795                                 "the maximum rxq index: %u\n", idx, shift,
2796                                 reta_conf[idx].reta[shift], max_rxq);
2797                         return -EINVAL;
2798                 }
2799         }
2800
2801         return 0;
2802 }
2803
2804 int
2805 rte_eth_dev_rss_reta_update(uint16_t port_id,
2806                             struct rte_eth_rss_reta_entry64 *reta_conf,
2807                             uint16_t reta_size)
2808 {
2809         struct rte_eth_dev *dev;
2810         int ret;
2811
2812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2813         /* Check mask bits */
2814         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2815         if (ret < 0)
2816                 return ret;
2817
2818         dev = &rte_eth_devices[port_id];
2819
2820         /* Check entry value */
2821         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2822                                 dev->data->nb_rx_queues);
2823         if (ret < 0)
2824                 return ret;
2825
2826         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2827         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2828                                                              reta_size));
2829 }
2830
2831 int
2832 rte_eth_dev_rss_reta_query(uint16_t port_id,
2833                            struct rte_eth_rss_reta_entry64 *reta_conf,
2834                            uint16_t reta_size)
2835 {
2836         struct rte_eth_dev *dev;
2837         int ret;
2838
2839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2840
2841         /* Check mask bits */
2842         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2843         if (ret < 0)
2844                 return ret;
2845
2846         dev = &rte_eth_devices[port_id];
2847         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2848         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2849                                                             reta_size));
2850 }
2851
2852 int
2853 rte_eth_dev_rss_hash_update(uint16_t port_id,
2854                             struct rte_eth_rss_conf *rss_conf)
2855 {
2856         struct rte_eth_dev *dev;
2857
2858         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2859         dev = &rte_eth_devices[port_id];
2860         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2861         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2862                                                                  rss_conf));
2863 }
2864
2865 int
2866 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2867                               struct rte_eth_rss_conf *rss_conf)
2868 {
2869         struct rte_eth_dev *dev;
2870
2871         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2872         dev = &rte_eth_devices[port_id];
2873         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2874         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2875                                                                    rss_conf));
2876 }
2877
2878 int
2879 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2880                                 struct rte_eth_udp_tunnel *udp_tunnel)
2881 {
2882         struct rte_eth_dev *dev;
2883
2884         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2885         if (udp_tunnel == NULL) {
2886                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2887                 return -EINVAL;
2888         }
2889
2890         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2891                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2892                 return -EINVAL;
2893         }
2894
2895         dev = &rte_eth_devices[port_id];
2896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2897         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2898                                                                 udp_tunnel));
2899 }
2900
2901 int
2902 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2903                                    struct rte_eth_udp_tunnel *udp_tunnel)
2904 {
2905         struct rte_eth_dev *dev;
2906
2907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2908         dev = &rte_eth_devices[port_id];
2909
2910         if (udp_tunnel == NULL) {
2911                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2912                 return -EINVAL;
2913         }
2914
2915         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2916                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2917                 return -EINVAL;
2918         }
2919
2920         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2921         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2922                                                                 udp_tunnel));
2923 }
2924
2925 int
2926 rte_eth_led_on(uint16_t port_id)
2927 {
2928         struct rte_eth_dev *dev;
2929
2930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2931         dev = &rte_eth_devices[port_id];
2932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2933         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
2934 }
2935
2936 int
2937 rte_eth_led_off(uint16_t port_id)
2938 {
2939         struct rte_eth_dev *dev;
2940
2941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2942         dev = &rte_eth_devices[port_id];
2943         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2944         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
2945 }
2946
2947 /*
2948  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2949  * an empty spot.
2950  */
2951 static int
2952 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2953 {
2954         struct rte_eth_dev_info dev_info;
2955         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2956         unsigned i;
2957
2958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2959         rte_eth_dev_info_get(port_id, &dev_info);
2960
2961         for (i = 0; i < dev_info.max_mac_addrs; i++)
2962                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2963                         return i;
2964
2965         return -1;
2966 }
2967
2968 static const struct ether_addr null_mac_addr;
2969
2970 int
2971 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
2972                         uint32_t pool)
2973 {
2974         struct rte_eth_dev *dev;
2975         int index;
2976         uint64_t pool_mask;
2977         int ret;
2978
2979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2980         dev = &rte_eth_devices[port_id];
2981         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2982
2983         if (is_zero_ether_addr(addr)) {
2984                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2985                         port_id);
2986                 return -EINVAL;
2987         }
2988         if (pool >= ETH_64_POOLS) {
2989                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2990                 return -EINVAL;
2991         }
2992
2993         index = get_mac_addr_index(port_id, addr);
2994         if (index < 0) {
2995                 index = get_mac_addr_index(port_id, &null_mac_addr);
2996                 if (index < 0) {
2997                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2998                                 port_id);
2999                         return -ENOSPC;
3000                 }
3001         } else {
3002                 pool_mask = dev->data->mac_pool_sel[index];
3003
3004                 /* Check if both MAC address and pool is already there, and do nothing */
3005                 if (pool_mask & (1ULL << pool))
3006                         return 0;
3007         }
3008
3009         /* Update NIC */
3010         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3011
3012         if (ret == 0) {
3013                 /* Update address in NIC data structure */
3014                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3015
3016                 /* Update pool bitmap in NIC data structure */
3017                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3018         }
3019
3020         return eth_err(port_id, ret);
3021 }
3022
3023 int
3024 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3025 {
3026         struct rte_eth_dev *dev;
3027         int index;
3028
3029         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3030         dev = &rte_eth_devices[port_id];
3031         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3032
3033         index = get_mac_addr_index(port_id, addr);
3034         if (index == 0) {
3035                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3036                 return -EADDRINUSE;
3037         } else if (index < 0)
3038                 return 0;  /* Do nothing if address wasn't found */
3039
3040         /* Update NIC */
3041         (*dev->dev_ops->mac_addr_remove)(dev, index);
3042
3043         /* Update address in NIC data structure */
3044         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3045
3046         /* reset pool bitmap */
3047         dev->data->mac_pool_sel[index] = 0;
3048
3049         return 0;
3050 }
3051
3052 int
3053 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3054 {
3055         struct rte_eth_dev *dev;
3056         int ret;
3057
3058         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3059
3060         if (!is_valid_assigned_ether_addr(addr))
3061                 return -EINVAL;
3062
3063         dev = &rte_eth_devices[port_id];
3064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3065
3066         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3067         if (ret < 0)
3068                 return ret;
3069
3070         /* Update default address in NIC data structure */
3071         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3072
3073         return 0;
3074 }
3075
3076
3077 /*
3078  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3079  * an empty spot.
3080  */
3081 static int
3082 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3083 {
3084         struct rte_eth_dev_info dev_info;
3085         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3086         unsigned i;
3087
3088         rte_eth_dev_info_get(port_id, &dev_info);
3089         if (!dev->data->hash_mac_addrs)
3090                 return -1;
3091
3092         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3093                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3094                         ETHER_ADDR_LEN) == 0)
3095                         return i;
3096
3097         return -1;
3098 }
3099
3100 int
3101 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3102                                 uint8_t on)
3103 {
3104         int index;
3105         int ret;
3106         struct rte_eth_dev *dev;
3107
3108         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3109
3110         dev = &rte_eth_devices[port_id];
3111         if (is_zero_ether_addr(addr)) {
3112                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3113                         port_id);
3114                 return -EINVAL;
3115         }
3116
3117         index = get_hash_mac_addr_index(port_id, addr);
3118         /* Check if it's already there, and do nothing */
3119         if ((index >= 0) && on)
3120                 return 0;
3121
3122         if (index < 0) {
3123                 if (!on) {
3124                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3125                                 "set in UTA\n", port_id);
3126                         return -EINVAL;
3127                 }
3128
3129                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3130                 if (index < 0) {
3131                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3132                                         port_id);
3133                         return -ENOSPC;
3134                 }
3135         }
3136
3137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3138         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3139         if (ret == 0) {
3140                 /* Update address in NIC data structure */
3141                 if (on)
3142                         ether_addr_copy(addr,
3143                                         &dev->data->hash_mac_addrs[index]);
3144                 else
3145                         ether_addr_copy(&null_mac_addr,
3146                                         &dev->data->hash_mac_addrs[index]);
3147         }
3148
3149         return eth_err(port_id, ret);
3150 }
3151
3152 int
3153 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3154 {
3155         struct rte_eth_dev *dev;
3156
3157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3158
3159         dev = &rte_eth_devices[port_id];
3160
3161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3162         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3163                                                                        on));
3164 }
3165
3166 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3167                                         uint16_t tx_rate)
3168 {
3169         struct rte_eth_dev *dev;
3170         struct rte_eth_dev_info dev_info;
3171         struct rte_eth_link link;
3172
3173         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3174
3175         dev = &rte_eth_devices[port_id];
3176         rte_eth_dev_info_get(port_id, &dev_info);
3177         link = dev->data->dev_link;
3178
3179         if (queue_idx > dev_info.max_tx_queues) {
3180                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3181                                 "invalid queue id=%d\n", port_id, queue_idx);
3182                 return -EINVAL;
3183         }
3184
3185         if (tx_rate > link.link_speed) {
3186                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3187                                 "bigger than link speed= %d\n",
3188                         tx_rate, link.link_speed);
3189                 return -EINVAL;
3190         }
3191
3192         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3193         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3194                                                         queue_idx, tx_rate));
3195 }
3196
3197 int
3198 rte_eth_mirror_rule_set(uint16_t port_id,
3199                         struct rte_eth_mirror_conf *mirror_conf,
3200                         uint8_t rule_id, uint8_t on)
3201 {
3202         struct rte_eth_dev *dev;
3203
3204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3205         if (mirror_conf->rule_type == 0) {
3206                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3207                 return -EINVAL;
3208         }
3209
3210         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3211                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3212                                 ETH_64_POOLS - 1);
3213                 return -EINVAL;
3214         }
3215
3216         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3217              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3218             (mirror_conf->pool_mask == 0)) {
3219                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3220                 return -EINVAL;
3221         }
3222
3223         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3224             mirror_conf->vlan.vlan_mask == 0) {
3225                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3226                 return -EINVAL;
3227         }
3228
3229         dev = &rte_eth_devices[port_id];
3230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3231
3232         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3233                                                 mirror_conf, rule_id, on));
3234 }
3235
3236 int
3237 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3238 {
3239         struct rte_eth_dev *dev;
3240
3241         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3242
3243         dev = &rte_eth_devices[port_id];
3244         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3245
3246         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3247                                                                    rule_id));
3248 }
3249
3250 RTE_INIT(eth_dev_init_cb_lists)
3251 {
3252         int i;
3253
3254         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3255                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3256 }
3257
3258 int
3259 rte_eth_dev_callback_register(uint16_t port_id,
3260                         enum rte_eth_event_type event,
3261                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3262 {
3263         struct rte_eth_dev *dev;
3264         struct rte_eth_dev_callback *user_cb;
3265         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3266         uint16_t last_port;
3267
3268         if (!cb_fn)
3269                 return -EINVAL;
3270
3271         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3272                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3273                 return -EINVAL;
3274         }
3275
3276         if (port_id == RTE_ETH_ALL) {
3277                 next_port = 0;
3278                 last_port = RTE_MAX_ETHPORTS - 1;
3279         } else {
3280                 next_port = last_port = port_id;
3281         }
3282
3283         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3284
3285         do {
3286                 dev = &rte_eth_devices[next_port];
3287
3288                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3289                         if (user_cb->cb_fn == cb_fn &&
3290                                 user_cb->cb_arg == cb_arg &&
3291                                 user_cb->event == event) {
3292                                 break;
3293                         }
3294                 }
3295
3296                 /* create a new callback. */
3297                 if (user_cb == NULL) {
3298                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3299                                 sizeof(struct rte_eth_dev_callback), 0);
3300                         if (user_cb != NULL) {
3301                                 user_cb->cb_fn = cb_fn;
3302                                 user_cb->cb_arg = cb_arg;
3303                                 user_cb->event = event;
3304                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3305                                                   user_cb, next);
3306                         } else {
3307                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3308                                 rte_eth_dev_callback_unregister(port_id, event,
3309                                                                 cb_fn, cb_arg);
3310                                 return -ENOMEM;
3311                         }
3312
3313                 }
3314         } while (++next_port <= last_port);
3315
3316         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3317         return 0;
3318 }
3319
3320 int
3321 rte_eth_dev_callback_unregister(uint16_t port_id,
3322                         enum rte_eth_event_type event,
3323                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3324 {
3325         int ret;
3326         struct rte_eth_dev *dev;
3327         struct rte_eth_dev_callback *cb, *next;
3328         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3329         uint16_t last_port;
3330
3331         if (!cb_fn)
3332                 return -EINVAL;
3333
3334         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3335                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3336                 return -EINVAL;
3337         }
3338
3339         if (port_id == RTE_ETH_ALL) {
3340                 next_port = 0;
3341                 last_port = RTE_MAX_ETHPORTS - 1;
3342         } else {
3343                 next_port = last_port = port_id;
3344         }
3345
3346         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3347
3348         do {
3349                 dev = &rte_eth_devices[next_port];
3350                 ret = 0;
3351                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3352                      cb = next) {
3353
3354                         next = TAILQ_NEXT(cb, next);
3355
3356                         if (cb->cb_fn != cb_fn || cb->event != event ||
3357                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3358                                 continue;
3359
3360                         /*
3361                          * if this callback is not executing right now,
3362                          * then remove it.
3363                          */
3364                         if (cb->active == 0) {
3365                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3366                                 rte_free(cb);
3367                         } else {
3368                                 ret = -EAGAIN;
3369                         }
3370                 }
3371         } while (++next_port <= last_port);
3372
3373         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3374         return ret;
3375 }
3376
3377 int
3378 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3379         enum rte_eth_event_type event, void *ret_param)
3380 {
3381         struct rte_eth_dev_callback *cb_lst;
3382         struct rte_eth_dev_callback dev_cb;
3383         int rc = 0;
3384
3385         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3386         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3387                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3388                         continue;
3389                 dev_cb = *cb_lst;
3390                 cb_lst->active = 1;
3391                 if (ret_param != NULL)
3392                         dev_cb.ret_param = ret_param;
3393
3394                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3395                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3396                                 dev_cb.cb_arg, dev_cb.ret_param);
3397                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3398                 cb_lst->active = 0;
3399         }
3400         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3401         return rc;
3402 }
3403
3404 int
3405 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3406 {
3407         uint32_t vec;
3408         struct rte_eth_dev *dev;
3409         struct rte_intr_handle *intr_handle;
3410         uint16_t qid;
3411         int rc;
3412
3413         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3414
3415         dev = &rte_eth_devices[port_id];
3416
3417         if (!dev->intr_handle) {
3418                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3419                 return -ENOTSUP;
3420         }
3421
3422         intr_handle = dev->intr_handle;
3423         if (!intr_handle->intr_vec) {
3424                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3425                 return -EPERM;
3426         }
3427
3428         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3429                 vec = intr_handle->intr_vec[qid];
3430                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3431                 if (rc && rc != -EEXIST) {
3432                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3433                                         " op %d epfd %d vec %u\n",
3434                                         port_id, qid, op, epfd, vec);
3435                 }
3436         }
3437
3438         return 0;
3439 }
3440
3441 const struct rte_memzone *
3442 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3443                          uint16_t queue_id, size_t size, unsigned align,
3444                          int socket_id)
3445 {
3446         char z_name[RTE_MEMZONE_NAMESIZE];
3447         const struct rte_memzone *mz;
3448
3449         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3450                  dev->device->driver->name, ring_name,
3451                  dev->data->port_id, queue_id);
3452
3453         mz = rte_memzone_lookup(z_name);
3454         if (mz)
3455                 return mz;
3456
3457         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3458                         RTE_MEMZONE_IOVA_CONTIG, align);
3459 }
3460
3461 int
3462 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3463                           int epfd, int op, void *data)
3464 {
3465         uint32_t vec;
3466         struct rte_eth_dev *dev;
3467         struct rte_intr_handle *intr_handle;
3468         int rc;
3469
3470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3471
3472         dev = &rte_eth_devices[port_id];
3473         if (queue_id >= dev->data->nb_rx_queues) {
3474                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3475                 return -EINVAL;
3476         }
3477
3478         if (!dev->intr_handle) {
3479                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3480                 return -ENOTSUP;
3481         }
3482
3483         intr_handle = dev->intr_handle;
3484         if (!intr_handle->intr_vec) {
3485                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3486                 return -EPERM;
3487         }
3488
3489         vec = intr_handle->intr_vec[queue_id];
3490         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3491         if (rc && rc != -EEXIST) {
3492                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3493                                 " op %d epfd %d vec %u\n",
3494                                 port_id, queue_id, op, epfd, vec);
3495                 return rc;
3496         }
3497
3498         return 0;
3499 }
3500
3501 int
3502 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3503                            uint16_t queue_id)
3504 {
3505         struct rte_eth_dev *dev;
3506
3507         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3508
3509         dev = &rte_eth_devices[port_id];
3510
3511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3512         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3513                                                                 queue_id));
3514 }
3515
3516 int
3517 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3518                             uint16_t queue_id)
3519 {
3520         struct rte_eth_dev *dev;
3521
3522         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3523
3524         dev = &rte_eth_devices[port_id];
3525
3526         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3527         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3528                                                                 queue_id));
3529 }
3530
3531
3532 int
3533 rte_eth_dev_filter_supported(uint16_t port_id,
3534                              enum rte_filter_type filter_type)
3535 {
3536         struct rte_eth_dev *dev;
3537
3538         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3539
3540         dev = &rte_eth_devices[port_id];
3541         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3542         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3543                                 RTE_ETH_FILTER_NOP, NULL);
3544 }
3545
3546 int
3547 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3548                         enum rte_filter_op filter_op, void *arg)
3549 {
3550         struct rte_eth_dev *dev;
3551
3552         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3553
3554         dev = &rte_eth_devices[port_id];
3555         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3556         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3557                                                              filter_op, arg));
3558 }
3559
3560 const struct rte_eth_rxtx_callback *
3561 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3562                 rte_rx_callback_fn fn, void *user_param)
3563 {
3564 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3565         rte_errno = ENOTSUP;
3566         return NULL;
3567 #endif
3568         /* check input parameters */
3569         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3570                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3571                 rte_errno = EINVAL;
3572                 return NULL;
3573         }
3574         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3575
3576         if (cb == NULL) {
3577                 rte_errno = ENOMEM;
3578                 return NULL;
3579         }
3580
3581         cb->fn.rx = fn;
3582         cb->param = user_param;
3583
3584         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3585         /* Add the callbacks in fifo order. */
3586         struct rte_eth_rxtx_callback *tail =
3587                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3588
3589         if (!tail) {
3590                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3591
3592         } else {
3593                 while (tail->next)
3594                         tail = tail->next;
3595                 tail->next = cb;
3596         }
3597         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3598
3599         return cb;
3600 }
3601
3602 const struct rte_eth_rxtx_callback *
3603 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3604                 rte_rx_callback_fn fn, void *user_param)
3605 {
3606 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3607         rte_errno = ENOTSUP;
3608         return NULL;
3609 #endif
3610         /* check input parameters */
3611         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3612                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3613                 rte_errno = EINVAL;
3614                 return NULL;
3615         }
3616
3617         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3618
3619         if (cb == NULL) {
3620                 rte_errno = ENOMEM;
3621                 return NULL;
3622         }
3623
3624         cb->fn.rx = fn;
3625         cb->param = user_param;
3626
3627         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3628         /* Add the callbacks at fisrt position*/
3629         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3630         rte_smp_wmb();
3631         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3632         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3633
3634         return cb;
3635 }
3636
3637 const struct rte_eth_rxtx_callback *
3638 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3639                 rte_tx_callback_fn fn, void *user_param)
3640 {
3641 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3642         rte_errno = ENOTSUP;
3643         return NULL;
3644 #endif
3645         /* check input parameters */
3646         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3647                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3648                 rte_errno = EINVAL;
3649                 return NULL;
3650         }
3651
3652         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3653
3654         if (cb == NULL) {
3655                 rte_errno = ENOMEM;
3656                 return NULL;
3657         }
3658
3659         cb->fn.tx = fn;
3660         cb->param = user_param;
3661
3662         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3663         /* Add the callbacks in fifo order. */
3664         struct rte_eth_rxtx_callback *tail =
3665                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3666
3667         if (!tail) {
3668                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3669
3670         } else {
3671                 while (tail->next)
3672                         tail = tail->next;
3673                 tail->next = cb;
3674         }
3675         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3676
3677         return cb;
3678 }
3679
3680 int
3681 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3682                 const struct rte_eth_rxtx_callback *user_cb)
3683 {
3684 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3685         return -ENOTSUP;
3686 #endif
3687         /* Check input parameters. */
3688         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3689         if (user_cb == NULL ||
3690                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3691                 return -EINVAL;
3692
3693         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3694         struct rte_eth_rxtx_callback *cb;
3695         struct rte_eth_rxtx_callback **prev_cb;
3696         int ret = -EINVAL;
3697
3698         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3699         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3700         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3701                 cb = *prev_cb;
3702                 if (cb == user_cb) {
3703                         /* Remove the user cb from the callback list. */
3704                         *prev_cb = cb->next;
3705                         ret = 0;
3706                         break;
3707                 }
3708         }
3709         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3710
3711         return ret;
3712 }
3713
3714 int
3715 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3716                 const struct rte_eth_rxtx_callback *user_cb)
3717 {
3718 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3719         return -ENOTSUP;
3720 #endif
3721         /* Check input parameters. */
3722         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3723         if (user_cb == NULL ||
3724                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3725                 return -EINVAL;
3726
3727         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3728         int ret = -EINVAL;
3729         struct rte_eth_rxtx_callback *cb;
3730         struct rte_eth_rxtx_callback **prev_cb;
3731
3732         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3733         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3734         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3735                 cb = *prev_cb;
3736                 if (cb == user_cb) {
3737                         /* Remove the user cb from the callback list. */
3738                         *prev_cb = cb->next;
3739                         ret = 0;
3740                         break;
3741                 }
3742         }
3743         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3744
3745         return ret;
3746 }
3747
3748 int
3749 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3750         struct rte_eth_rxq_info *qinfo)
3751 {
3752         struct rte_eth_dev *dev;
3753
3754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3755
3756         if (qinfo == NULL)
3757                 return -EINVAL;
3758
3759         dev = &rte_eth_devices[port_id];
3760         if (queue_id >= dev->data->nb_rx_queues) {
3761                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3762                 return -EINVAL;
3763         }
3764
3765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3766
3767         memset(qinfo, 0, sizeof(*qinfo));
3768         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3769         return 0;
3770 }
3771
3772 int
3773 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3774         struct rte_eth_txq_info *qinfo)
3775 {
3776         struct rte_eth_dev *dev;
3777
3778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3779
3780         if (qinfo == NULL)
3781                 return -EINVAL;
3782
3783         dev = &rte_eth_devices[port_id];
3784         if (queue_id >= dev->data->nb_tx_queues) {
3785                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3786                 return -EINVAL;
3787         }
3788
3789         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3790
3791         memset(qinfo, 0, sizeof(*qinfo));
3792         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3793         return 0;
3794 }
3795
3796 int
3797 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3798                              struct ether_addr *mc_addr_set,
3799                              uint32_t nb_mc_addr)
3800 {
3801         struct rte_eth_dev *dev;
3802
3803         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3804
3805         dev = &rte_eth_devices[port_id];
3806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3807         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3808                                                 mc_addr_set, nb_mc_addr));
3809 }
3810
3811 int
3812 rte_eth_timesync_enable(uint16_t port_id)
3813 {
3814         struct rte_eth_dev *dev;
3815
3816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3817         dev = &rte_eth_devices[port_id];
3818
3819         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3820         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
3821 }
3822
3823 int
3824 rte_eth_timesync_disable(uint16_t port_id)
3825 {
3826         struct rte_eth_dev *dev;
3827
3828         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3829         dev = &rte_eth_devices[port_id];
3830
3831         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3832         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
3833 }
3834
3835 int
3836 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3837                                    uint32_t flags)
3838 {
3839         struct rte_eth_dev *dev;
3840
3841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3842         dev = &rte_eth_devices[port_id];
3843
3844         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3845         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
3846                                 (dev, timestamp, flags));
3847 }
3848
3849 int
3850 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3851                                    struct timespec *timestamp)
3852 {
3853         struct rte_eth_dev *dev;
3854
3855         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3856         dev = &rte_eth_devices[port_id];
3857
3858         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3859         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
3860                                 (dev, timestamp));
3861 }
3862
3863 int
3864 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3865 {
3866         struct rte_eth_dev *dev;
3867
3868         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3869         dev = &rte_eth_devices[port_id];
3870
3871         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3872         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
3873                                                                       delta));
3874 }
3875
3876 int
3877 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
3878 {
3879         struct rte_eth_dev *dev;
3880
3881         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3882         dev = &rte_eth_devices[port_id];
3883
3884         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3885         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
3886                                                                 timestamp));
3887 }
3888
3889 int
3890 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
3891 {
3892         struct rte_eth_dev *dev;
3893
3894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3895         dev = &rte_eth_devices[port_id];
3896
3897         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3898         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
3899                                                                 timestamp));
3900 }
3901
3902 int
3903 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
3904 {
3905         struct rte_eth_dev *dev;
3906
3907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3908
3909         dev = &rte_eth_devices[port_id];
3910         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3911         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
3912 }
3913
3914 int
3915 rte_eth_dev_get_eeprom_length(uint16_t port_id)
3916 {
3917         struct rte_eth_dev *dev;
3918
3919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3920
3921         dev = &rte_eth_devices[port_id];
3922         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3923         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
3924 }
3925
3926 int
3927 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3928 {
3929         struct rte_eth_dev *dev;
3930
3931         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3932
3933         dev = &rte_eth_devices[port_id];
3934         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3935         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
3936 }
3937
3938 int
3939 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
3940 {
3941         struct rte_eth_dev *dev;
3942
3943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3944
3945         dev = &rte_eth_devices[port_id];
3946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3947         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
3948 }
3949
3950 int
3951 rte_eth_dev_get_dcb_info(uint16_t port_id,
3952                              struct rte_eth_dcb_info *dcb_info)
3953 {
3954         struct rte_eth_dev *dev;
3955
3956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3957
3958         dev = &rte_eth_devices[port_id];
3959         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3960
3961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3962         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
3963 }
3964
3965 int
3966 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
3967                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3968 {
3969         struct rte_eth_dev *dev;
3970
3971         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3972         if (l2_tunnel == NULL) {
3973                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3974                 return -EINVAL;
3975         }
3976
3977         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3978                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3979                 return -EINVAL;
3980         }
3981
3982         dev = &rte_eth_devices[port_id];
3983         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3984                                 -ENOTSUP);
3985         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
3986                                                                 l2_tunnel));
3987 }
3988
3989 int
3990 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
3991                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3992                                   uint32_t mask,
3993                                   uint8_t en)
3994 {
3995         struct rte_eth_dev *dev;
3996
3997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3998
3999         if (l2_tunnel == NULL) {
4000                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4001                 return -EINVAL;
4002         }
4003
4004         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4005                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4006                 return -EINVAL;
4007         }
4008
4009         if (mask == 0) {
4010                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4011                 return -EINVAL;
4012         }
4013
4014         dev = &rte_eth_devices[port_id];
4015         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4016                                 -ENOTSUP);
4017         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4018                                                         l2_tunnel, mask, en));
4019 }
4020
4021 static void
4022 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4023                            const struct rte_eth_desc_lim *desc_lim)
4024 {
4025         if (desc_lim->nb_align != 0)
4026                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4027
4028         if (desc_lim->nb_max != 0)
4029                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4030
4031         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4032 }
4033
4034 int
4035 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4036                                  uint16_t *nb_rx_desc,
4037                                  uint16_t *nb_tx_desc)
4038 {
4039         struct rte_eth_dev *dev;
4040         struct rte_eth_dev_info dev_info;
4041
4042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4043
4044         dev = &rte_eth_devices[port_id];
4045         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4046
4047         rte_eth_dev_info_get(port_id, &dev_info);
4048
4049         if (nb_rx_desc != NULL)
4050                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4051
4052         if (nb_tx_desc != NULL)
4053                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4054
4055         return 0;
4056 }
4057
4058 int
4059 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4060 {
4061         struct rte_eth_dev *dev;
4062
4063         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4064
4065         if (pool == NULL)
4066                 return -EINVAL;
4067
4068         dev = &rte_eth_devices[port_id];
4069
4070         if (*dev->dev_ops->pool_ops_supported == NULL)
4071                 return 1; /* all pools are supported */
4072
4073         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4074 }
4075
4076 RTE_INIT(ethdev_init_log);
4077 static void
4078 ethdev_init_log(void)
4079 {
4080         ethdev_logtype = rte_log_register("lib.ethdev");
4081         if (ethdev_logtype >= 0)
4082                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4083 }