lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "rte_ether.h"
  41 #include "rte_ethdev.h"
  42 #include "rte_ethdev_driver.h"
  43 #include "ethdev_profile.h"
  44
  45 int rte_eth_dev_logtype;
  46
  47 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  48 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  49 static uint16_t eth_dev_last_created_port;
  50
  51 /* spinlock for eth device callbacks */
  52 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  53
  54 /* spinlock for add/remove rx callbacks */
  55 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove tx callbacks */
  58 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for shared data allocation */
  61 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* store statistics names and its offset in stats structure  */
  64 struct rte_eth_xstats_name_off {
  65         char name[RTE_ETH_XSTATS_NAME_SIZE];
  66         unsigned offset;
  67 };
  68
  69 /* Shared memory between primary and secondary processes. */
  70 static struct {
  71         uint64_t next_owner_id;
  72         rte_spinlock_t ownership_lock;
  73         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  74 } *rte_eth_dev_shared_data;
  75
  76 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  77         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  78         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  79         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  80         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  81         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  82         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  83         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  84         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  85                 rx_nombuf)},
  86 };
  87
  88 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  89
  90 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  91         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  92         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  93         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  94 };
  95
  96 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  97                 sizeof(rte_rxq_stats_strings[0]))
  98
  99 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 100         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 101         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 102 };
 103 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 104                 sizeof(rte_txq_stats_strings[0]))
 105
 106 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 107         { DEV_RX_OFFLOAD_##_name, #_name }
 108
 109 static const struct {
 110         uint64_t offload;
 111         const char *name;
 112 } rte_rx_offload_names[] = {
 113         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 114         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 118         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 119         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 122         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 124         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 125         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 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 static bool
 230 is_allocated(const struct rte_eth_dev *ethdev)
 231 {
 232         return ethdev->data->name[0] != '\0';
 233 }
 234
 235 static struct rte_eth_dev *
 236 _rte_eth_dev_allocated(const char *name)
 237 {
 238         unsigned i;
 239
 240         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 241                 if (rte_eth_devices[i].data != NULL &&
 242                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 243                         return &rte_eth_devices[i];
 244         }
 245         return NULL;
 246 }
 247
 248 struct rte_eth_dev *
 249 rte_eth_dev_allocated(const char *name)
 250 {
 251         struct rte_eth_dev *ethdev;
 252
 253         rte_eth_dev_shared_data_prepare();
 254
 255         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 256
 257         ethdev = _rte_eth_dev_allocated(name);
 258
 259         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 260
 261         return ethdev;
 262 }
 263
 264 static uint16_t
 265 rte_eth_dev_find_free_port(void)
 266 {
 267         unsigned i;
 268
 269         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 270                 /* Using shared name field to find a free port. */
 271                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 272                         RTE_ASSERT(rte_eth_devices[i].state ==
 273                                    RTE_ETH_DEV_UNUSED);
 274                         return i;
 275                 }
 276         }
 277         return RTE_MAX_ETHPORTS;
 278 }
 279
 280 static struct rte_eth_dev *
 281 eth_dev_get(uint16_t port_id)
 282 {
 283         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 284
 285         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 286
 287         eth_dev_last_created_port = port_id;
 288
 289         return eth_dev;
 290 }
 291
 292 struct rte_eth_dev *
 293 rte_eth_dev_allocate(const char *name)
 294 {
 295         uint16_t port_id;
 296         struct rte_eth_dev *eth_dev = NULL;
 297
 298         rte_eth_dev_shared_data_prepare();
 299
 300         /* Synchronize port creation between primary and secondary threads. */
 301         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 302
 303         if (_rte_eth_dev_allocated(name) != NULL) {
 304                 RTE_ETHDEV_LOG(ERR,
 305                         "Ethernet device with name %s already allocated\n",
 306                         name);
 307                 goto unlock;
 308         }
 309
 310         port_id = rte_eth_dev_find_free_port();
 311         if (port_id == RTE_MAX_ETHPORTS) {
 312                 RTE_ETHDEV_LOG(ERR,
 313                         "Reached maximum number of Ethernet ports\n");
 314                 goto unlock;
 315         }
 316
 317         eth_dev = eth_dev_get(port_id);
 318         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 319         eth_dev->data->port_id = port_id;
 320         eth_dev->data->mtu = ETHER_MTU;
 321
 322 unlock:
 323         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 324
 325         return eth_dev;
 326 }
 327
 328 /*
 329  * Attach to a port already registered by the primary process, which
 330  * makes sure that the same device would have the same port id both
 331  * in the primary and secondary process.
 332  */
 333 struct rte_eth_dev *
 334 rte_eth_dev_attach_secondary(const char *name)
 335 {
 336         uint16_t i;
 337         struct rte_eth_dev *eth_dev = NULL;
 338
 339         rte_eth_dev_shared_data_prepare();
 340
 341         /* Synchronize port attachment to primary port creation and release. */
 342         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 343
 344         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 345                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 346                         break;
 347         }
 348         if (i == RTE_MAX_ETHPORTS) {
 349                 RTE_ETHDEV_LOG(ERR,
 350                         "Device %s is not driven by the primary process\n",
 351                         name);
 352         } else {
 353                 eth_dev = eth_dev_get(i);
 354                 RTE_ASSERT(eth_dev->data->port_id == i);
 355         }
 356
 357         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 358         return eth_dev;
 359 }
 360
 361 int
 362 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 363 {
 364         if (eth_dev == NULL)
 365                 return -EINVAL;
 366
 367         rte_eth_dev_shared_data_prepare();
 368
 369         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 370
 371         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 372
 373         eth_dev->state = RTE_ETH_DEV_UNUSED;
 374
 375         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 376
 377         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 378
 379         return 0;
 380 }
 381
 382 int
 383 rte_eth_dev_is_valid_port(uint16_t port_id)
 384 {
 385         if (port_id >= RTE_MAX_ETHPORTS ||
 386             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 387                 return 0;
 388         else
 389                 return 1;
 390 }
 391
 392 static int
 393 rte_eth_is_valid_owner_id(uint64_t owner_id)
 394 {
 395         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 396             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 397                 RTE_ETHDEV_LOG(ERR, "Invalid owner_id=%016"PRIx64"\n",
 398                         owner_id);
 399                 return 0;
 400         }
 401         return 1;
 402 }
 403
 404 uint64_t
 405 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 406 {
 407         while (port_id < RTE_MAX_ETHPORTS &&
 408                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 409                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 410                rte_eth_devices[port_id].data->owner.id != owner_id))
 411                 port_id++;
 412
 413         if (port_id >= RTE_MAX_ETHPORTS)
 414                 return RTE_MAX_ETHPORTS;
 415
 416         return port_id;
 417 }
 418
 419 int __rte_experimental
 420 rte_eth_dev_owner_new(uint64_t *owner_id)
 421 {
 422         rte_eth_dev_shared_data_prepare();
 423
 424         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 425
 426         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 427
 428         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 429         return 0;
 430 }
 431
 432 static int
 433 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 434                        const struct rte_eth_dev_owner *new_owner)
 435 {
 436         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 437         struct rte_eth_dev_owner *port_owner;
 438         int sret;
 439
 440         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 441                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 442                         port_id);
 443                 return -ENODEV;
 444         }
 445
 446         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 447             !rte_eth_is_valid_owner_id(old_owner_id))
 448                 return -EINVAL;
 449
 450         port_owner = &rte_eth_devices[port_id].data->owner;
 451         if (port_owner->id != old_owner_id) {
 452                 RTE_ETHDEV_LOG(ERR,
 453                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 454                         port_id, port_owner->name, port_owner->id);
 455                 return -EPERM;
 456         }
 457
 458         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 459                         new_owner->name);
 460         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 461                 RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
 462                         port_id);
 463
 464         port_owner->id = new_owner->id;
 465
 466         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 467                 port_id, new_owner->name, new_owner->id);
 468
 469         return 0;
 470 }
 471
 472 int __rte_experimental
 473 rte_eth_dev_owner_set(const uint16_t port_id,
 474                       const struct rte_eth_dev_owner *owner)
 475 {
 476         int ret;
 477
 478         rte_eth_dev_shared_data_prepare();
 479
 480         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 481
 482         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 483
 484         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 485         return ret;
 486 }
 487
 488 int __rte_experimental
 489 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 490 {
 491         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 492                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 493         int ret;
 494
 495         rte_eth_dev_shared_data_prepare();
 496
 497         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 498
 499         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 500
 501         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 502         return ret;
 503 }
 504
 505 void __rte_experimental
 506 rte_eth_dev_owner_delete(const uint64_t owner_id)
 507 {
 508         uint16_t port_id;
 509
 510         rte_eth_dev_shared_data_prepare();
 511
 512         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 513
 514         if (rte_eth_is_valid_owner_id(owner_id)) {
 515                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 516                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 517                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 518                                        sizeof(struct rte_eth_dev_owner));
 519                 RTE_ETHDEV_LOG(ERR,
 520                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 521                         owner_id);
 522         }
 523
 524         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 525 }
 526
 527 int __rte_experimental
 528 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 529 {
 530         int ret = 0;
 531         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 532
 533         rte_eth_dev_shared_data_prepare();
 534
 535         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 536
 537         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 538                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 539                         port_id);
 540                 ret = -ENODEV;
 541         } else {
 542                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 543         }
 544
 545         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 546         return ret;
 547 }
 548
 549 int
 550 rte_eth_dev_socket_id(uint16_t port_id)
 551 {
 552         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 553         return rte_eth_devices[port_id].data->numa_node;
 554 }
 555
 556 void *
 557 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 558 {
 559         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 560         return rte_eth_devices[port_id].security_ctx;
 561 }
 562
 563 uint16_t
 564 rte_eth_dev_count(void)
 565 {
 566         return rte_eth_dev_count_avail();
 567 }
 568
 569 uint16_t
 570 rte_eth_dev_count_avail(void)
 571 {
 572         uint16_t p;
 573         uint16_t count;
 574
 575         count = 0;
 576
 577         RTE_ETH_FOREACH_DEV(p)
 578                 count++;
 579
 580         return count;
 581 }
 582
 583 uint16_t __rte_experimental
 584 rte_eth_dev_count_total(void)
 585 {
 586         uint16_t port, count = 0;
 587
 588         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 589                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 590                         count++;
 591
 592         return count;
 593 }
 594
 595 int
 596 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 597 {
 598         char *tmp;
 599
 600         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 601
 602         if (name == NULL) {
 603                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 604                 return -EINVAL;
 605         }
 606
 607         /* shouldn't check 'rte_eth_devices[i].data',
 608          * because it might be overwritten by VDEV PMD */
 609         tmp = rte_eth_dev_shared_data->data[port_id].name;
 610         strcpy(name, tmp);
 611         return 0;
 612 }
 613
 614 int
 615 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 616 {
 617         uint32_t pid;
 618
 619         if (name == NULL) {
 620                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 621                 return -EINVAL;
 622         }
 623
 624         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 625                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 626                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 627                         *port_id = pid;
 628                         return 0;
 629                 }
 630         }
 631
 632         return -ENODEV;
 633 }
 634
 635 static int
 636 eth_err(uint16_t port_id, int ret)
 637 {
 638         if (ret == 0)
 639                 return 0;
 640         if (rte_eth_dev_is_removed(port_id))
 641                 return -EIO;
 642         return ret;
 643 }
 644
 645 /* attach the new device, then store port_id of the device */
 646 int
 647 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 648 {
 649         int current = rte_eth_dev_count_total();
 650         struct rte_devargs da;
 651         int ret = -1;
 652
 653         memset(&da, 0, sizeof(da));
 654
 655         if ((devargs == NULL) || (port_id == NULL)) {
 656                 ret = -EINVAL;
 657                 goto err;
 658         }
 659
 660         /* parse devargs */
 661         if (rte_devargs_parse(&da, devargs))
 662                 goto err;
 663
 664         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 665         if (ret < 0)
 666                 goto err;
 667
 668         /* no point looking at the port count if no port exists */
 669         if (!rte_eth_dev_count_total()) {
 670                 RTE_ETHDEV_LOG(ERR, "No port found for device (%s)\n", da.name);
 671                 ret = -1;
 672                 goto err;
 673         }
 674
 675         /* if nothing happened, there is a bug here, since some driver told us
 676          * it did attach a device, but did not create a port.
 677          * FIXME: race condition in case of plug-out of another device
 678          */
 679         if (current == rte_eth_dev_count_total()) {
 680                 ret = -1;
 681                 goto err;
 682         }
 683
 684         *port_id = eth_dev_last_created_port;
 685         ret = 0;
 686
 687 err:
 688         free(da.args);
 689         return ret;
 690 }
 691
 692 /* detach the device, then store the name of the device */
 693 int
 694 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 695 {
 696         struct rte_device *dev;
 697         struct rte_bus *bus;
 698         uint32_t dev_flags;
 699         int ret = -1;
 700
 701         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 702
 703         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 704         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 705                 RTE_ETHDEV_LOG(ERR,
 706                         "Port %"PRIu16" is bonded, cannot detach\n", port_id);
 707                 return -ENOTSUP;
 708         }
 709
 710         dev = rte_eth_devices[port_id].device;
 711         if (dev == NULL)
 712                 return -EINVAL;
 713
 714         bus = rte_bus_find_by_device(dev);
 715         if (bus == NULL)
 716                 return -ENOENT;
 717
 718         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 719         if (ret < 0)
 720                 return ret;
 721
 722         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 723         return 0;
 724 }
 725
 726 static int
 727 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 728 {
 729         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 730         void **rxq;
 731         unsigned i;
 732
 733         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 734                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 735                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 736                                 RTE_CACHE_LINE_SIZE);
 737                 if (dev->data->rx_queues == NULL) {
 738                         dev->data->nb_rx_queues = 0;
 739                         return -(ENOMEM);
 740                 }
 741         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 742                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 743
 744                 rxq = dev->data->rx_queues;
 745
 746                 for (i = nb_queues; i < old_nb_queues; i++)
 747                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 748                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 749                                 RTE_CACHE_LINE_SIZE);
 750                 if (rxq == NULL)
 751                         return -(ENOMEM);
 752                 if (nb_queues > old_nb_queues) {
 753                         uint16_t new_qs = nb_queues - old_nb_queues;
 754
 755                         memset(rxq + old_nb_queues, 0,
 756                                 sizeof(rxq[0]) * new_qs);
 757                 }
 758
 759                 dev->data->rx_queues = rxq;
 760
 761         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 762                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 763
 764                 rxq = dev->data->rx_queues;
 765
 766                 for (i = nb_queues; i < old_nb_queues; i++)
 767                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 768
 769                 rte_free(dev->data->rx_queues);
 770                 dev->data->rx_queues = NULL;
 771         }
 772         dev->data->nb_rx_queues = nb_queues;
 773         return 0;
 774 }
 775
 776 int
 777 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 778 {
 779         struct rte_eth_dev *dev;
 780
 781         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 782
 783         dev = &rte_eth_devices[port_id];
 784         if (!dev->data->dev_started) {
 785                 RTE_ETHDEV_LOG(ERR,
 786                         "Port %u must be started before start any queue\n",
 787                         port_id);
 788                 return -EINVAL;
 789         }
 790
 791         if (rx_queue_id >= dev->data->nb_rx_queues) {
 792                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 793                 return -EINVAL;
 794         }
 795
 796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 797
 798         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 799                 RTE_ETHDEV_LOG(INFO,
 800                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 801                         rx_queue_id, port_id);
 802                 return 0;
 803         }
 804
 805         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 806                                                              rx_queue_id));
 807
 808 }
 809
 810 int
 811 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 812 {
 813         struct rte_eth_dev *dev;
 814
 815         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 816
 817         dev = &rte_eth_devices[port_id];
 818         if (rx_queue_id >= dev->data->nb_rx_queues) {
 819                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 820                 return -EINVAL;
 821         }
 822
 823         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 824
 825         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 826                 RTE_ETHDEV_LOG(INFO,
 827                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 828                         rx_queue_id, port_id);
 829                 return 0;
 830         }
 831
 832         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 833
 834 }
 835
 836 int
 837 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 838 {
 839         struct rte_eth_dev *dev;
 840
 841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 842
 843         dev = &rte_eth_devices[port_id];
 844         if (!dev->data->dev_started) {
 845                 RTE_ETHDEV_LOG(ERR,
 846                         "Port %u must be started before start any queue\n",
 847                         port_id);
 848                 return -EINVAL;
 849         }
 850
 851         if (tx_queue_id >= dev->data->nb_tx_queues) {
 852                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 853                 return -EINVAL;
 854         }
 855
 856         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 857
 858         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 859                 RTE_ETHDEV_LOG(INFO,
 860                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 861                         tx_queue_id, port_id);
 862                 return 0;
 863         }
 864
 865         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 866 }
 867
 868 int
 869 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 870 {
 871         struct rte_eth_dev *dev;
 872
 873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 874
 875         dev = &rte_eth_devices[port_id];
 876         if (tx_queue_id >= dev->data->nb_tx_queues) {
 877                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 878                 return -EINVAL;
 879         }
 880
 881         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 882
 883         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 884                 RTE_ETHDEV_LOG(INFO,
 885                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 886                         tx_queue_id, port_id);
 887                 return 0;
 888         }
 889
 890         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 891
 892 }
 893
 894 static int
 895 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 896 {
 897         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 898         void **txq;
 899         unsigned i;
 900
 901         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 902                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 903                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 904                                                    RTE_CACHE_LINE_SIZE);
 905                 if (dev->data->tx_queues == NULL) {
 906                         dev->data->nb_tx_queues = 0;
 907                         return -(ENOMEM);
 908                 }
 909         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 910                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 911
 912                 txq = dev->data->tx_queues;
 913
 914                 for (i = nb_queues; i < old_nb_queues; i++)
 915                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 916                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 917                                   RTE_CACHE_LINE_SIZE);
 918                 if (txq == NULL)
 919                         return -ENOMEM;
 920                 if (nb_queues > old_nb_queues) {
 921                         uint16_t new_qs = nb_queues - old_nb_queues;
 922
 923                         memset(txq + old_nb_queues, 0,
 924                                sizeof(txq[0]) * new_qs);
 925                 }
 926
 927                 dev->data->tx_queues = txq;
 928
 929         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 930                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 931
 932                 txq = dev->data->tx_queues;
 933
 934                 for (i = nb_queues; i < old_nb_queues; i++)
 935                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 936
 937                 rte_free(dev->data->tx_queues);
 938                 dev->data->tx_queues = NULL;
 939         }
 940         dev->data->nb_tx_queues = nb_queues;
 941         return 0;
 942 }
 943
 944 uint32_t
 945 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 946 {
 947         switch (speed) {
 948         case ETH_SPEED_NUM_10M:
 949                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 950         case ETH_SPEED_NUM_100M:
 951                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 952         case ETH_SPEED_NUM_1G:
 953                 return ETH_LINK_SPEED_1G;
 954         case ETH_SPEED_NUM_2_5G:
 955                 return ETH_LINK_SPEED_2_5G;
 956         case ETH_SPEED_NUM_5G:
 957                 return ETH_LINK_SPEED_5G;
 958         case ETH_SPEED_NUM_10G:
 959                 return ETH_LINK_SPEED_10G;
 960         case ETH_SPEED_NUM_20G:
 961                 return ETH_LINK_SPEED_20G;
 962         case ETH_SPEED_NUM_25G:
 963                 return ETH_LINK_SPEED_25G;
 964         case ETH_SPEED_NUM_40G:
 965                 return ETH_LINK_SPEED_40G;
 966         case ETH_SPEED_NUM_50G:
 967                 return ETH_LINK_SPEED_50G;
 968         case ETH_SPEED_NUM_56G:
 969                 return ETH_LINK_SPEED_56G;
 970         case ETH_SPEED_NUM_100G:
 971                 return ETH_LINK_SPEED_100G;
 972         default:
 973                 return 0;
 974         }
 975 }
 976
 977 const char * __rte_experimental
 978 rte_eth_dev_rx_offload_name(uint64_t offload)
 979 {
 980         const char *name = "UNKNOWN";
 981         unsigned int i;
 982
 983         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
 984                 if (offload == rte_rx_offload_names[i].offload) {
 985                         name = rte_rx_offload_names[i].name;
 986                         break;
 987                 }
 988         }
 989
 990         return name;
 991 }
 992
 993 const char * __rte_experimental
 994 rte_eth_dev_tx_offload_name(uint64_t offload)
 995 {
 996         const char *name = "UNKNOWN";
 997         unsigned int i;
 998
 999         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1000                 if (offload == rte_tx_offload_names[i].offload) {
1001                         name = rte_tx_offload_names[i].name;
1002                         break;
1003                 }
1004         }
1005
1006         return name;
1007 }
1008
1009 int
1010 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1011                       const struct rte_eth_conf *dev_conf)
1012 {
1013         struct rte_eth_dev *dev;
1014         struct rte_eth_dev_info dev_info;
1015         struct rte_eth_conf local_conf = *dev_conf;
1016         int diag;
1017
1018         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1019
1020         dev = &rte_eth_devices[port_id];
1021
1022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1023         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1024
1025         rte_eth_dev_info_get(port_id, &dev_info);
1026
1027         /* If number of queues specified by application for both Rx and Tx is
1028          * zero, use driver preferred values. This cannot be done individually
1029          * as it is valid for either Tx or Rx (but not both) to be zero.
1030          * If driver does not provide any preferred valued, fall back on
1031          * EAL defaults.
1032          */
1033         if (nb_rx_q == 0 && nb_tx_q == 0) {
1034                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1035                 if (nb_rx_q == 0)
1036                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1037                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1038                 if (nb_tx_q == 0)
1039                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1040         }
1041
1042         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1043                 RTE_ETHDEV_LOG(ERR,
1044                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1045                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1046                 return -EINVAL;
1047         }
1048
1049         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1050                 RTE_ETHDEV_LOG(ERR,
1051                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1052                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1053                 return -EINVAL;
1054         }
1055
1056         if (dev->data->dev_started) {
1057                 RTE_ETHDEV_LOG(ERR,
1058                         "Port %u must be stopped to allow configuration\n",
1059                         port_id);
1060                 return -EBUSY;
1061         }
1062
1063         /* Copy the dev_conf parameter into the dev structure */
1064         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1065
1066         /*
1067          * Check that the numbers of RX and TX queues are not greater
1068          * than the maximum number of RX and TX queues supported by the
1069          * configured device.
1070          */
1071         if (nb_rx_q > dev_info.max_rx_queues) {
1072                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1073                         port_id, nb_rx_q, dev_info.max_rx_queues);
1074                 return -EINVAL;
1075         }
1076
1077         if (nb_tx_q > dev_info.max_tx_queues) {
1078                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1079                         port_id, nb_tx_q, dev_info.max_tx_queues);
1080                 return -EINVAL;
1081         }
1082
1083         /* Check that the device supports requested interrupts */
1084         if ((dev_conf->intr_conf.lsc == 1) &&
1085                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1086                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1087                         dev->device->driver->name);
1088                 return -EINVAL;
1089         }
1090         if ((dev_conf->intr_conf.rmv == 1) &&
1091                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1092                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1093                         dev->device->driver->name);
1094                 return -EINVAL;
1095         }
1096
1097         /*
1098          * If jumbo frames are enabled, check that the maximum RX packet
1099          * length is supported by the configured device.
1100          */
1101         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1102                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1103                         RTE_ETHDEV_LOG(ERR,
1104                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1105                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1106                                 dev_info.max_rx_pktlen);
1107                         return -EINVAL;
1108                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1109                         RTE_ETHDEV_LOG(ERR,
1110                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1111                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1112                                 (unsigned)ETHER_MIN_LEN);
1113                         return -EINVAL;
1114                 }
1115         } else {
1116                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1117                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1118                         /* Use default value */
1119                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1120                                                         ETHER_MAX_LEN;
1121         }
1122
1123         /* Any requested offloading must be within its device capabilities */
1124         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1125              local_conf.rxmode.offloads) {
1126                 RTE_ETHDEV_LOG(ERR,
1127                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1128                         "capabilities 0x%"PRIx64" in %s()\n",
1129                         port_id, local_conf.rxmode.offloads,
1130                         dev_info.rx_offload_capa,
1131                         __func__);
1132                 return -EINVAL;
1133         }
1134         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1135              local_conf.txmode.offloads) {
1136                 RTE_ETHDEV_LOG(ERR,
1137                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1138                         "capabilities 0x%"PRIx64" in %s()\n",
1139                         port_id, local_conf.txmode.offloads,
1140                         dev_info.tx_offload_capa,
1141                         __func__);
1142                 return -EINVAL;
1143         }
1144
1145         if ((local_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP) &&
1146                         (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
1147                 RTE_ETHDEV_LOG(ERR,
1148                         "Port id=%u not allowed to set both CRC STRIP and KEEP CRC offload flags\n",
1149                         port_id);
1150                 return -EINVAL;
1151         }
1152
1153         /* Check that device supports requested rss hash functions. */
1154         if ((dev_info.flow_type_rss_offloads |
1155              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1156             dev_info.flow_type_rss_offloads) {
1157                 RTE_ETHDEV_LOG(ERR,
1158                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1159                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1160                         dev_info.flow_type_rss_offloads);
1161                 return -EINVAL;
1162         }
1163
1164         /*
1165          * Setup new number of RX/TX queues and reconfigure device.
1166          */
1167         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1168         if (diag != 0) {
1169                 RTE_ETHDEV_LOG(ERR,
1170                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1171                         port_id, diag);
1172                 return diag;
1173         }
1174
1175         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1176         if (diag != 0) {
1177                 RTE_ETHDEV_LOG(ERR,
1178                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1179                         port_id, diag);
1180                 rte_eth_dev_rx_queue_config(dev, 0);
1181                 return diag;
1182         }
1183
1184         diag = (*dev->dev_ops->dev_configure)(dev);
1185         if (diag != 0) {
1186                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1187                         port_id, diag);
1188                 rte_eth_dev_rx_queue_config(dev, 0);
1189                 rte_eth_dev_tx_queue_config(dev, 0);
1190                 return eth_err(port_id, diag);
1191         }
1192
1193         /* Initialize Rx profiling if enabled at compilation time. */
1194         diag = __rte_eth_dev_profile_init(port_id, dev);
1195         if (diag != 0) {
1196                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1197                         port_id, diag);
1198                 rte_eth_dev_rx_queue_config(dev, 0);
1199                 rte_eth_dev_tx_queue_config(dev, 0);
1200                 return eth_err(port_id, diag);
1201         }
1202
1203         return 0;
1204 }
1205
1206 void
1207 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1208 {
1209         if (dev->data->dev_started) {
1210                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1211                         dev->data->port_id);
1212                 return;
1213         }
1214
1215         rte_eth_dev_rx_queue_config(dev, 0);
1216         rte_eth_dev_tx_queue_config(dev, 0);
1217
1218         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1219 }
1220
1221 static void
1222 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1223                         struct rte_eth_dev_info *dev_info)
1224 {
1225         struct ether_addr *addr;
1226         uint16_t i;
1227         uint32_t pool = 0;
1228         uint64_t pool_mask;
1229
1230         /* replay MAC address configuration including default MAC */
1231         addr = &dev->data->mac_addrs[0];
1232         if (*dev->dev_ops->mac_addr_set != NULL)
1233                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1234         else if (*dev->dev_ops->mac_addr_add != NULL)
1235                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1236
1237         if (*dev->dev_ops->mac_addr_add != NULL) {
1238                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1239                         addr = &dev->data->mac_addrs[i];
1240
1241                         /* skip zero address */
1242                         if (is_zero_ether_addr(addr))
1243                                 continue;
1244
1245                         pool = 0;
1246                         pool_mask = dev->data->mac_pool_sel[i];
1247
1248                         do {
1249                                 if (pool_mask & 1ULL)
1250                                         (*dev->dev_ops->mac_addr_add)(dev,
1251                                                 addr, i, pool);
1252                                 pool_mask >>= 1;
1253                                 pool++;
1254                         } while (pool_mask);
1255                 }
1256         }
1257 }
1258
1259 static void
1260 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1261                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1262 {
1263         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1264                 rte_eth_dev_mac_restore(dev, dev_info);
1265
1266         /* replay promiscuous configuration */
1267         if (rte_eth_promiscuous_get(port_id) == 1)
1268                 rte_eth_promiscuous_enable(port_id);
1269         else if (rte_eth_promiscuous_get(port_id) == 0)
1270                 rte_eth_promiscuous_disable(port_id);
1271
1272         /* replay all multicast configuration */
1273         if (rte_eth_allmulticast_get(port_id) == 1)
1274                 rte_eth_allmulticast_enable(port_id);
1275         else if (rte_eth_allmulticast_get(port_id) == 0)
1276                 rte_eth_allmulticast_disable(port_id);
1277 }
1278
1279 int
1280 rte_eth_dev_start(uint16_t port_id)
1281 {
1282         struct rte_eth_dev *dev;
1283         struct rte_eth_dev_info dev_info;
1284         int diag;
1285
1286         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1287
1288         dev = &rte_eth_devices[port_id];
1289
1290         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1291
1292         if (dev->data->dev_started != 0) {
1293                 RTE_ETHDEV_LOG(INFO,
1294                         "Device with port_id=%"PRIu16" already started\n",
1295                         port_id);
1296                 return 0;
1297         }
1298
1299         rte_eth_dev_info_get(port_id, &dev_info);
1300
1301         /* Lets restore MAC now if device does not support live change */
1302         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1303                 rte_eth_dev_mac_restore(dev, &dev_info);
1304
1305         diag = (*dev->dev_ops->dev_start)(dev);
1306         if (diag == 0)
1307                 dev->data->dev_started = 1;
1308         else
1309                 return eth_err(port_id, diag);
1310
1311         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1312
1313         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1314                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1315                 (*dev->dev_ops->link_update)(dev, 0);
1316         }
1317         return 0;
1318 }
1319
1320 void
1321 rte_eth_dev_stop(uint16_t port_id)
1322 {
1323         struct rte_eth_dev *dev;
1324
1325         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1326         dev = &rte_eth_devices[port_id];
1327
1328         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1329
1330         if (dev->data->dev_started == 0) {
1331                 RTE_ETHDEV_LOG(INFO,
1332                         "Device with port_id=%"PRIu16" already stopped\n",
1333                         port_id);
1334                 return;
1335         }
1336
1337         dev->data->dev_started = 0;
1338         (*dev->dev_ops->dev_stop)(dev);
1339 }
1340
1341 int
1342 rte_eth_dev_set_link_up(uint16_t port_id)
1343 {
1344         struct rte_eth_dev *dev;
1345
1346         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1347
1348         dev = &rte_eth_devices[port_id];
1349
1350         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1351         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1352 }
1353
1354 int
1355 rte_eth_dev_set_link_down(uint16_t port_id)
1356 {
1357         struct rte_eth_dev *dev;
1358
1359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1360
1361         dev = &rte_eth_devices[port_id];
1362
1363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1364         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1365 }
1366
1367 void
1368 rte_eth_dev_close(uint16_t port_id)
1369 {
1370         struct rte_eth_dev *dev;
1371
1372         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1373         dev = &rte_eth_devices[port_id];
1374
1375         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1376         dev->data->dev_started = 0;
1377         (*dev->dev_ops->dev_close)(dev);
1378
1379         dev->data->nb_rx_queues = 0;
1380         rte_free(dev->data->rx_queues);
1381         dev->data->rx_queues = NULL;
1382         dev->data->nb_tx_queues = 0;
1383         rte_free(dev->data->tx_queues);
1384         dev->data->tx_queues = NULL;
1385 }
1386
1387 int
1388 rte_eth_dev_reset(uint16_t port_id)
1389 {
1390         struct rte_eth_dev *dev;
1391         int ret;
1392
1393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1394         dev = &rte_eth_devices[port_id];
1395
1396         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1397
1398         rte_eth_dev_stop(port_id);
1399         ret = dev->dev_ops->dev_reset(dev);
1400
1401         return eth_err(port_id, ret);
1402 }
1403
1404 int __rte_experimental
1405 rte_eth_dev_is_removed(uint16_t port_id)
1406 {
1407         struct rte_eth_dev *dev;
1408         int ret;
1409
1410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1411
1412         dev = &rte_eth_devices[port_id];
1413
1414         if (dev->state == RTE_ETH_DEV_REMOVED)
1415                 return 1;
1416
1417         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1418
1419         ret = dev->dev_ops->is_removed(dev);
1420         if (ret != 0)
1421                 /* Device is physically removed. */
1422                 dev->state = RTE_ETH_DEV_REMOVED;
1423
1424         return ret;
1425 }
1426
1427 int
1428 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1429                        uint16_t nb_rx_desc, unsigned int socket_id,
1430                        const struct rte_eth_rxconf *rx_conf,
1431                        struct rte_mempool *mp)
1432 {
1433         int ret;
1434         uint32_t mbp_buf_size;
1435         struct rte_eth_dev *dev;
1436         struct rte_eth_dev_info dev_info;
1437         struct rte_eth_rxconf local_conf;
1438         void **rxq;
1439
1440         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1441
1442         dev = &rte_eth_devices[port_id];
1443         if (rx_queue_id >= dev->data->nb_rx_queues) {
1444                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1445                 return -EINVAL;
1446         }
1447
1448         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1449         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1450
1451         /*
1452          * Check the size of the mbuf data buffer.
1453          * This value must be provided in the private data of the memory pool.
1454          * First check that the memory pool has a valid private data.
1455          */
1456         rte_eth_dev_info_get(port_id, &dev_info);
1457         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1458                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1459                         mp->name, (int)mp->private_data_size,
1460                         (int)sizeof(struct rte_pktmbuf_pool_private));
1461                 return -ENOSPC;
1462         }
1463         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1464
1465         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1466                 RTE_ETHDEV_LOG(ERR,
1467                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1468                         mp->name, (int)mbp_buf_size,
1469                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1470                         (int)RTE_PKTMBUF_HEADROOM,
1471                         (int)dev_info.min_rx_bufsize);
1472                 return -EINVAL;
1473         }
1474
1475         /* Use default specified by driver, if nb_rx_desc is zero */
1476         if (nb_rx_desc == 0) {
1477                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1478                 /* If driver default is also zero, fall back on EAL default */
1479                 if (nb_rx_desc == 0)
1480                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1481         }
1482
1483         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1484                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1485                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1486
1487                 RTE_ETHDEV_LOG(ERR,
1488                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1489                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1490                         dev_info.rx_desc_lim.nb_min,
1491                         dev_info.rx_desc_lim.nb_align);
1492                 return -EINVAL;
1493         }
1494
1495         if (dev->data->dev_started &&
1496                 !(dev_info.dev_capa &
1497                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1498                 return -EBUSY;
1499
1500         if (dev->data->dev_started &&
1501                 (dev->data->rx_queue_state[rx_queue_id] !=
1502                         RTE_ETH_QUEUE_STATE_STOPPED))
1503                 return -EBUSY;
1504
1505         rxq = dev->data->rx_queues;
1506         if (rxq[rx_queue_id]) {
1507                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1508                                         -ENOTSUP);
1509                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1510                 rxq[rx_queue_id] = NULL;
1511         }
1512
1513         if (rx_conf == NULL)
1514                 rx_conf = &dev_info.default_rxconf;
1515
1516         local_conf = *rx_conf;
1517
1518         /*
1519          * If an offloading has already been enabled in
1520          * rte_eth_dev_configure(), it has been enabled on all queues,
1521          * so there is no need to enable it in this queue again.
1522          * The local_conf.offloads input to underlying PMD only carries
1523          * those offloadings which are only enabled on this queue and
1524          * not enabled on all queues.
1525          */
1526         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1527
1528         /*
1529          * New added offloadings for this queue are those not enabled in
1530          * rte_eth_dev_configure() and they must be per-queue type.
1531          * A pure per-port offloading can't be enabled on a queue while
1532          * disabled on another queue. A pure per-port offloading can't
1533          * be enabled for any queue as new added one if it hasn't been
1534          * enabled in rte_eth_dev_configure().
1535          */
1536         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1537              local_conf.offloads) {
1538                 RTE_ETHDEV_LOG(ERR,
1539                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1540                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1541                         port_id, rx_queue_id, local_conf.offloads,
1542                         dev_info.rx_queue_offload_capa,
1543                         __func__);
1544                 return -EINVAL;
1545         }
1546
1547         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1548                                               socket_id, &local_conf, mp);
1549         if (!ret) {
1550                 if (!dev->data->min_rx_buf_size ||
1551                     dev->data->min_rx_buf_size > mbp_buf_size)
1552                         dev->data->min_rx_buf_size = mbp_buf_size;
1553         }
1554
1555         return eth_err(port_id, ret);
1556 }
1557
1558 int
1559 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1560                        uint16_t nb_tx_desc, unsigned int socket_id,
1561                        const struct rte_eth_txconf *tx_conf)
1562 {
1563         struct rte_eth_dev *dev;
1564         struct rte_eth_dev_info dev_info;
1565         struct rte_eth_txconf local_conf;
1566         void **txq;
1567
1568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1569
1570         dev = &rte_eth_devices[port_id];
1571         if (tx_queue_id >= dev->data->nb_tx_queues) {
1572                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1573                 return -EINVAL;
1574         }
1575
1576         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1577         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1578
1579         rte_eth_dev_info_get(port_id, &dev_info);
1580
1581         /* Use default specified by driver, if nb_tx_desc is zero */
1582         if (nb_tx_desc == 0) {
1583                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1584                 /* If driver default is zero, fall back on EAL default */
1585                 if (nb_tx_desc == 0)
1586                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1587         }
1588         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1589             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1590             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1591                 RTE_ETHDEV_LOG(ERR,
1592                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1593                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1594                         dev_info.tx_desc_lim.nb_min,
1595                         dev_info.tx_desc_lim.nb_align);
1596                 return -EINVAL;
1597         }
1598
1599         if (dev->data->dev_started &&
1600                 !(dev_info.dev_capa &
1601                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1602                 return -EBUSY;
1603
1604         if (dev->data->dev_started &&
1605                 (dev->data->tx_queue_state[tx_queue_id] !=
1606                         RTE_ETH_QUEUE_STATE_STOPPED))
1607                 return -EBUSY;
1608
1609         txq = dev->data->tx_queues;
1610         if (txq[tx_queue_id]) {
1611                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1612                                         -ENOTSUP);
1613                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1614                 txq[tx_queue_id] = NULL;
1615         }
1616
1617         if (tx_conf == NULL)
1618                 tx_conf = &dev_info.default_txconf;
1619
1620         local_conf = *tx_conf;
1621
1622         /*
1623          * If an offloading has already been enabled in
1624          * rte_eth_dev_configure(), it has been enabled on all queues,
1625          * so there is no need to enable it in this queue again.
1626          * The local_conf.offloads input to underlying PMD only carries
1627          * those offloadings which are only enabled on this queue and
1628          * not enabled on all queues.
1629          */
1630         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1631
1632         /*
1633          * New added offloadings for this queue are those not enabled in
1634          * rte_eth_dev_configure() and they must be per-queue type.
1635          * A pure per-port offloading can't be enabled on a queue while
1636          * disabled on another queue. A pure per-port offloading can't
1637          * be enabled for any queue as new added one if it hasn't been
1638          * enabled in rte_eth_dev_configure().
1639          */
1640         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1641              local_conf.offloads) {
1642                 RTE_ETHDEV_LOG(ERR,
1643                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1644                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1645                         port_id, tx_queue_id, local_conf.offloads,
1646                         dev_info.tx_queue_offload_capa,
1647                         __func__);
1648                 return -EINVAL;
1649         }
1650
1651         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1652                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1653 }
1654
1655 void
1656 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1657                 void *userdata __rte_unused)
1658 {
1659         unsigned i;
1660
1661         for (i = 0; i < unsent; i++)
1662                 rte_pktmbuf_free(pkts[i]);
1663 }
1664
1665 void
1666 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1667                 void *userdata)
1668 {
1669         uint64_t *count = userdata;
1670         unsigned i;
1671
1672         for (i = 0; i < unsent; i++)
1673                 rte_pktmbuf_free(pkts[i]);
1674
1675         *count += unsent;
1676 }
1677
1678 int
1679 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1680                 buffer_tx_error_fn cbfn, void *userdata)
1681 {
1682         buffer->error_callback = cbfn;
1683         buffer->error_userdata = userdata;
1684         return 0;
1685 }
1686
1687 int
1688 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1689 {
1690         int ret = 0;
1691
1692         if (buffer == NULL)
1693                 return -EINVAL;
1694
1695         buffer->size = size;
1696         if (buffer->error_callback == NULL) {
1697                 ret = rte_eth_tx_buffer_set_err_callback(
1698                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1699         }
1700
1701         return ret;
1702 }
1703
1704 int
1705 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1706 {
1707         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1708         int ret;
1709
1710         /* Validate Input Data. Bail if not valid or not supported. */
1711         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1712         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1713
1714         /* Call driver to free pending mbufs. */
1715         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1716                                                free_cnt);
1717         return eth_err(port_id, ret);
1718 }
1719
1720 void
1721 rte_eth_promiscuous_enable(uint16_t port_id)
1722 {
1723         struct rte_eth_dev *dev;
1724
1725         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1726         dev = &rte_eth_devices[port_id];
1727
1728         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1729         (*dev->dev_ops->promiscuous_enable)(dev);
1730         dev->data->promiscuous = 1;
1731 }
1732
1733 void
1734 rte_eth_promiscuous_disable(uint16_t port_id)
1735 {
1736         struct rte_eth_dev *dev;
1737
1738         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1739         dev = &rte_eth_devices[port_id];
1740
1741         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1742         dev->data->promiscuous = 0;
1743         (*dev->dev_ops->promiscuous_disable)(dev);
1744 }
1745
1746 int
1747 rte_eth_promiscuous_get(uint16_t port_id)
1748 {
1749         struct rte_eth_dev *dev;
1750
1751         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1752
1753         dev = &rte_eth_devices[port_id];
1754         return dev->data->promiscuous;
1755 }
1756
1757 void
1758 rte_eth_allmulticast_enable(uint16_t port_id)
1759 {
1760         struct rte_eth_dev *dev;
1761
1762         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1763         dev = &rte_eth_devices[port_id];
1764
1765         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1766         (*dev->dev_ops->allmulticast_enable)(dev);
1767         dev->data->all_multicast = 1;
1768 }
1769
1770 void
1771 rte_eth_allmulticast_disable(uint16_t port_id)
1772 {
1773         struct rte_eth_dev *dev;
1774
1775         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1776         dev = &rte_eth_devices[port_id];
1777
1778         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1779         dev->data->all_multicast = 0;
1780         (*dev->dev_ops->allmulticast_disable)(dev);
1781 }
1782
1783 int
1784 rte_eth_allmulticast_get(uint16_t port_id)
1785 {
1786         struct rte_eth_dev *dev;
1787
1788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1789
1790         dev = &rte_eth_devices[port_id];
1791         return dev->data->all_multicast;
1792 }
1793
1794 void
1795 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1796 {
1797         struct rte_eth_dev *dev;
1798
1799         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1800         dev = &rte_eth_devices[port_id];
1801
1802         if (dev->data->dev_conf.intr_conf.lsc &&
1803             dev->data->dev_started)
1804                 rte_eth_linkstatus_get(dev, eth_link);
1805         else {
1806                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1807                 (*dev->dev_ops->link_update)(dev, 1);
1808                 *eth_link = dev->data->dev_link;
1809         }
1810 }
1811
1812 void
1813 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1814 {
1815         struct rte_eth_dev *dev;
1816
1817         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1818         dev = &rte_eth_devices[port_id];
1819
1820         if (dev->data->dev_conf.intr_conf.lsc &&
1821             dev->data->dev_started)
1822                 rte_eth_linkstatus_get(dev, eth_link);
1823         else {
1824                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1825                 (*dev->dev_ops->link_update)(dev, 0);
1826                 *eth_link = dev->data->dev_link;
1827         }
1828 }
1829
1830 int
1831 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1832 {
1833         struct rte_eth_dev *dev;
1834
1835         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1836
1837         dev = &rte_eth_devices[port_id];
1838         memset(stats, 0, sizeof(*stats));
1839
1840         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1841         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1842         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1843 }
1844
1845 int
1846 rte_eth_stats_reset(uint16_t port_id)
1847 {
1848         struct rte_eth_dev *dev;
1849
1850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1851         dev = &rte_eth_devices[port_id];
1852
1853         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1854         (*dev->dev_ops->stats_reset)(dev);
1855         dev->data->rx_mbuf_alloc_failed = 0;
1856
1857         return 0;
1858 }
1859
1860 static inline int
1861 get_xstats_basic_count(struct rte_eth_dev *dev)
1862 {
1863         uint16_t nb_rxqs, nb_txqs;
1864         int count;
1865
1866         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1867         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1868
1869         count = RTE_NB_STATS;
1870         count += nb_rxqs * RTE_NB_RXQ_STATS;
1871         count += nb_txqs * RTE_NB_TXQ_STATS;
1872
1873         return count;
1874 }
1875
1876 static int
1877 get_xstats_count(uint16_t port_id)
1878 {
1879         struct rte_eth_dev *dev;
1880         int count;
1881
1882         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1883         dev = &rte_eth_devices[port_id];
1884         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1885                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1886                                 NULL, 0);
1887                 if (count < 0)
1888                         return eth_err(port_id, count);
1889         }
1890         if (dev->dev_ops->xstats_get_names != NULL) {
1891                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1892                 if (count < 0)
1893                         return eth_err(port_id, count);
1894         } else
1895                 count = 0;
1896
1897
1898         count += get_xstats_basic_count(dev);
1899
1900         return count;
1901 }
1902
1903 int
1904 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1905                 uint64_t *id)
1906 {
1907         int cnt_xstats, idx_xstat;
1908
1909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1910
1911         if (!id) {
1912                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
1913                 return -ENOMEM;
1914         }
1915
1916         if (!xstat_name) {
1917                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
1918                 return -ENOMEM;
1919         }
1920
1921         /* Get count */
1922         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
1923         if (cnt_xstats  < 0) {
1924                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
1925                 return -ENODEV;
1926         }
1927
1928         /* Get id-name lookup table */
1929         struct rte_eth_xstat_name xstats_names[cnt_xstats];
1930
1931         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
1932                         port_id, xstats_names, cnt_xstats, NULL)) {
1933                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
1934                 return -1;
1935         }
1936
1937         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
1938                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
1939                         *id = idx_xstat;
1940                         return 0;
1941                 };
1942         }
1943
1944         return -EINVAL;
1945 }
1946
1947 /* retrieve basic stats names */
1948 static int
1949 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
1950         struct rte_eth_xstat_name *xstats_names)
1951 {
1952         int cnt_used_entries = 0;
1953         uint32_t idx, id_queue;
1954         uint16_t num_q;
1955
1956         for (idx = 0; idx < RTE_NB_STATS; idx++) {
1957                 snprintf(xstats_names[cnt_used_entries].name,
1958                         sizeof(xstats_names[0].name),
1959                         "%s", rte_stats_strings[idx].name);
1960                 cnt_used_entries++;
1961         }
1962         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1963         for (id_queue = 0; id_queue < num_q; id_queue++) {
1964                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
1965                         snprintf(xstats_names[cnt_used_entries].name,
1966                                 sizeof(xstats_names[0].name),
1967                                 "rx_q%u%s",
1968                                 id_queue, rte_rxq_stats_strings[idx].name);
1969                         cnt_used_entries++;
1970                 }
1971
1972         }
1973         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1974         for (id_queue = 0; id_queue < num_q; id_queue++) {
1975                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
1976                         snprintf(xstats_names[cnt_used_entries].name,
1977                                 sizeof(xstats_names[0].name),
1978                                 "tx_q%u%s",
1979                                 id_queue, rte_txq_stats_strings[idx].name);
1980                         cnt_used_entries++;
1981                 }
1982         }
1983         return cnt_used_entries;
1984 }
1985
1986 /* retrieve ethdev extended statistics names */
1987 int
1988 rte_eth_xstats_get_names_by_id(uint16_t port_id,
1989         struct rte_eth_xstat_name *xstats_names, unsigned int size,
1990         uint64_t *ids)
1991 {
1992         struct rte_eth_xstat_name *xstats_names_copy;
1993         unsigned int no_basic_stat_requested = 1;
1994         unsigned int no_ext_stat_requested = 1;
1995         unsigned int expected_entries;
1996         unsigned int basic_count;
1997         struct rte_eth_dev *dev;
1998         unsigned int i;
1999         int ret;
2000
2001         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2002         dev = &rte_eth_devices[port_id];
2003
2004         basic_count = get_xstats_basic_count(dev);
2005         ret = get_xstats_count(port_id);
2006         if (ret < 0)
2007                 return ret;
2008         expected_entries = (unsigned int)ret;
2009
2010         /* Return max number of stats if no ids given */
2011         if (!ids) {
2012                 if (!xstats_names)
2013                         return expected_entries;
2014                 else if (xstats_names && size < expected_entries)
2015                         return expected_entries;
2016         }
2017
2018         if (ids && !xstats_names)
2019                 return -EINVAL;
2020
2021         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2022                 uint64_t ids_copy[size];
2023
2024                 for (i = 0; i < size; i++) {
2025                         if (ids[i] < basic_count) {
2026                                 no_basic_stat_requested = 0;
2027                                 break;
2028                         }
2029
2030                         /*
2031                          * Convert ids to xstats ids that PMD knows.
2032                          * ids known by user are basic + extended stats.
2033                          */
2034                         ids_copy[i] = ids[i] - basic_count;
2035                 }
2036
2037                 if (no_basic_stat_requested)
2038                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2039                                         xstats_names, ids_copy, size);
2040         }
2041
2042         /* Retrieve all stats */
2043         if (!ids) {
2044                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2045                                 expected_entries);
2046                 if (num_stats < 0 || num_stats > (int)expected_entries)
2047                         return num_stats;
2048                 else
2049                         return expected_entries;
2050         }
2051
2052         xstats_names_copy = calloc(expected_entries,
2053                 sizeof(struct rte_eth_xstat_name));
2054
2055         if (!xstats_names_copy) {
2056                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2057                 return -ENOMEM;
2058         }
2059
2060         if (ids) {
2061                 for (i = 0; i < size; i++) {
2062                         if (ids[i] >= basic_count) {
2063                                 no_ext_stat_requested = 0;
2064                                 break;
2065                         }
2066                 }
2067         }
2068
2069         /* Fill xstats_names_copy structure */
2070         if (ids && no_ext_stat_requested) {
2071                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2072         } else {
2073                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2074                         expected_entries);
2075                 if (ret < 0) {
2076                         free(xstats_names_copy);
2077                         return ret;
2078                 }
2079         }
2080
2081         /* Filter stats */
2082         for (i = 0; i < size; i++) {
2083                 if (ids[i] >= expected_entries) {
2084                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2085                         free(xstats_names_copy);
2086                         return -1;
2087                 }
2088                 xstats_names[i] = xstats_names_copy[ids[i]];
2089         }
2090
2091         free(xstats_names_copy);
2092         return size;
2093 }
2094
2095 int
2096 rte_eth_xstats_get_names(uint16_t port_id,
2097         struct rte_eth_xstat_name *xstats_names,
2098         unsigned int size)
2099 {
2100         struct rte_eth_dev *dev;
2101         int cnt_used_entries;
2102         int cnt_expected_entries;
2103         int cnt_driver_entries;
2104
2105         cnt_expected_entries = get_xstats_count(port_id);
2106         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2107                         (int)size < cnt_expected_entries)
2108                 return cnt_expected_entries;
2109
2110         /* port_id checked in get_xstats_count() */
2111         dev = &rte_eth_devices[port_id];
2112
2113         cnt_used_entries = rte_eth_basic_stats_get_names(
2114                 dev, xstats_names);
2115
2116         if (dev->dev_ops->xstats_get_names != NULL) {
2117                 /* If there are any driver-specific xstats, append them
2118                  * to end of list.
2119                  */
2120                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2121                         dev,
2122                         xstats_names + cnt_used_entries,
2123                         size - cnt_used_entries);
2124                 if (cnt_driver_entries < 0)
2125                         return eth_err(port_id, cnt_driver_entries);
2126                 cnt_used_entries += cnt_driver_entries;
2127         }
2128
2129         return cnt_used_entries;
2130 }
2131
2132
2133 static int
2134 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2135 {
2136         struct rte_eth_dev *dev;
2137         struct rte_eth_stats eth_stats;
2138         unsigned int count = 0, i, q;
2139         uint64_t val, *stats_ptr;
2140         uint16_t nb_rxqs, nb_txqs;
2141         int ret;
2142
2143         ret = rte_eth_stats_get(port_id, &eth_stats);
2144         if (ret < 0)
2145                 return ret;
2146
2147         dev = &rte_eth_devices[port_id];
2148
2149         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2150         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2151
2152         /* global stats */
2153         for (i = 0; i < RTE_NB_STATS; i++) {
2154                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2155                                         rte_stats_strings[i].offset);
2156                 val = *stats_ptr;
2157                 xstats[count++].value = val;
2158         }
2159
2160         /* per-rxq stats */
2161         for (q = 0; q < nb_rxqs; q++) {
2162                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2163                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2164                                         rte_rxq_stats_strings[i].offset +
2165                                         q * sizeof(uint64_t));
2166                         val = *stats_ptr;
2167                         xstats[count++].value = val;
2168                 }
2169         }
2170
2171         /* per-txq stats */
2172         for (q = 0; q < nb_txqs; q++) {
2173                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2174                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2175                                         rte_txq_stats_strings[i].offset +
2176                                         q * sizeof(uint64_t));
2177                         val = *stats_ptr;
2178                         xstats[count++].value = val;
2179                 }
2180         }
2181         return count;
2182 }
2183
2184 /* retrieve ethdev extended statistics */
2185 int
2186 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2187                          uint64_t *values, unsigned int size)
2188 {
2189         unsigned int no_basic_stat_requested = 1;
2190         unsigned int no_ext_stat_requested = 1;
2191         unsigned int num_xstats_filled;
2192         unsigned int basic_count;
2193         uint16_t expected_entries;
2194         struct rte_eth_dev *dev;
2195         unsigned int i;
2196         int ret;
2197
2198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2199         ret = get_xstats_count(port_id);
2200         if (ret < 0)
2201                 return ret;
2202         expected_entries = (uint16_t)ret;
2203         struct rte_eth_xstat xstats[expected_entries];
2204         dev = &rte_eth_devices[port_id];
2205         basic_count = get_xstats_basic_count(dev);
2206
2207         /* Return max number of stats if no ids given */
2208         if (!ids) {
2209                 if (!values)
2210                         return expected_entries;
2211                 else if (values && size < expected_entries)
2212                         return expected_entries;
2213         }
2214
2215         if (ids && !values)
2216                 return -EINVAL;
2217
2218         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2219                 unsigned int basic_count = get_xstats_basic_count(dev);
2220                 uint64_t ids_copy[size];
2221
2222                 for (i = 0; i < size; i++) {
2223                         if (ids[i] < basic_count) {
2224                                 no_basic_stat_requested = 0;
2225                                 break;
2226                         }
2227
2228                         /*
2229                          * Convert ids to xstats ids that PMD knows.
2230                          * ids known by user are basic + extended stats.
2231                          */
2232                         ids_copy[i] = ids[i] - basic_count;
2233                 }
2234
2235                 if (no_basic_stat_requested)
2236                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2237                                         values, size);
2238         }
2239
2240         if (ids) {
2241                 for (i = 0; i < size; i++) {
2242                         if (ids[i] >= basic_count) {
2243                                 no_ext_stat_requested = 0;
2244                                 break;
2245                         }
2246                 }
2247         }
2248
2249         /* Fill the xstats structure */
2250         if (ids && no_ext_stat_requested)
2251                 ret = rte_eth_basic_stats_get(port_id, xstats);
2252         else
2253                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2254
2255         if (ret < 0)
2256                 return ret;
2257         num_xstats_filled = (unsigned int)ret;
2258
2259         /* Return all stats */
2260         if (!ids) {
2261                 for (i = 0; i < num_xstats_filled; i++)
2262                         values[i] = xstats[i].value;
2263                 return expected_entries;
2264         }
2265
2266         /* Filter stats */
2267         for (i = 0; i < size; i++) {
2268                 if (ids[i] >= expected_entries) {
2269                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2270                         return -1;
2271                 }
2272                 values[i] = xstats[ids[i]].value;
2273         }
2274         return size;
2275 }
2276
2277 int
2278 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2279         unsigned int n)
2280 {
2281         struct rte_eth_dev *dev;
2282         unsigned int count = 0, i;
2283         signed int xcount = 0;
2284         uint16_t nb_rxqs, nb_txqs;
2285         int ret;
2286
2287         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2288
2289         dev = &rte_eth_devices[port_id];
2290
2291         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2292         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2293
2294         /* Return generic statistics */
2295         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2296                 (nb_txqs * RTE_NB_TXQ_STATS);
2297
2298         /* implemented by the driver */
2299         if (dev->dev_ops->xstats_get != NULL) {
2300                 /* Retrieve the xstats from the driver at the end of the
2301                  * xstats struct.
2302                  */
2303                 xcount = (*dev->dev_ops->xstats_get)(dev,
2304                                      xstats ? xstats + count : NULL,
2305                                      (n > count) ? n - count : 0);
2306
2307                 if (xcount < 0)
2308                         return eth_err(port_id, xcount);
2309         }
2310
2311         if (n < count + xcount || xstats == NULL)
2312                 return count + xcount;
2313
2314         /* now fill the xstats structure */
2315         ret = rte_eth_basic_stats_get(port_id, xstats);
2316         if (ret < 0)
2317                 return ret;
2318         count = ret;
2319
2320         for (i = 0; i < count; i++)
2321                 xstats[i].id = i;
2322         /* add an offset to driver-specific stats */
2323         for ( ; i < count + xcount; i++)
2324                 xstats[i].id += count;
2325
2326         return count + xcount;
2327 }
2328
2329 /* reset ethdev extended statistics */
2330 void
2331 rte_eth_xstats_reset(uint16_t port_id)
2332 {
2333         struct rte_eth_dev *dev;
2334
2335         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2336         dev = &rte_eth_devices[port_id];
2337
2338         /* implemented by the driver */
2339         if (dev->dev_ops->xstats_reset != NULL) {
2340                 (*dev->dev_ops->xstats_reset)(dev);
2341                 return;
2342         }
2343
2344         /* fallback to default */
2345         rte_eth_stats_reset(port_id);
2346 }
2347
2348 static int
2349 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2350                 uint8_t is_rx)
2351 {
2352         struct rte_eth_dev *dev;
2353
2354         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2355
2356         dev = &rte_eth_devices[port_id];
2357
2358         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2359
2360         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2361                 return -EINVAL;
2362
2363         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2364                 return -EINVAL;
2365
2366         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2367                 return -EINVAL;
2368
2369         return (*dev->dev_ops->queue_stats_mapping_set)
2370                         (dev, queue_id, stat_idx, is_rx);
2371 }
2372
2373
2374 int
2375 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2376                 uint8_t stat_idx)
2377 {
2378         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2379                                                 stat_idx, STAT_QMAP_TX));
2380 }
2381
2382
2383 int
2384 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2385                 uint8_t stat_idx)
2386 {
2387         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2388                                                 stat_idx, STAT_QMAP_RX));
2389 }
2390
2391 int
2392 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2393 {
2394         struct rte_eth_dev *dev;
2395
2396         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2397         dev = &rte_eth_devices[port_id];
2398
2399         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2400         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2401                                                         fw_version, fw_size));
2402 }
2403
2404 void
2405 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2406 {
2407         struct rte_eth_dev *dev;
2408         const struct rte_eth_desc_lim lim = {
2409                 .nb_max = UINT16_MAX,
2410                 .nb_min = 0,
2411                 .nb_align = 1,
2412         };
2413
2414         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2415         dev = &rte_eth_devices[port_id];
2416
2417         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2418         dev_info->rx_desc_lim = lim;
2419         dev_info->tx_desc_lim = lim;
2420         dev_info->device = dev->device;
2421
2422         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2423         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2424         dev_info->driver_name = dev->device->driver->name;
2425         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2426         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2427
2428         dev_info->dev_flags = &dev->data->dev_flags;
2429 }
2430
2431 int
2432 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2433                                  uint32_t *ptypes, int num)
2434 {
2435         int i, j;
2436         struct rte_eth_dev *dev;
2437         const uint32_t *all_ptypes;
2438
2439         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2440         dev = &rte_eth_devices[port_id];
2441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2442         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2443
2444         if (!all_ptypes)
2445                 return 0;
2446
2447         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2448                 if (all_ptypes[i] & ptype_mask) {
2449                         if (j < num)
2450                                 ptypes[j] = all_ptypes[i];
2451                         j++;
2452                 }
2453
2454         return j;
2455 }
2456
2457 void
2458 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2459 {
2460         struct rte_eth_dev *dev;
2461
2462         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2463         dev = &rte_eth_devices[port_id];
2464         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2465 }
2466
2467
2468 int
2469 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2470 {
2471         struct rte_eth_dev *dev;
2472
2473         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2474
2475         dev = &rte_eth_devices[port_id];
2476         *mtu = dev->data->mtu;
2477         return 0;
2478 }
2479
2480 int
2481 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2482 {
2483         int ret;
2484         struct rte_eth_dev *dev;
2485
2486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2487         dev = &rte_eth_devices[port_id];
2488         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2489
2490         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2491         if (!ret)
2492                 dev->data->mtu = mtu;
2493
2494         return eth_err(port_id, ret);
2495 }
2496
2497 int
2498 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2499 {
2500         struct rte_eth_dev *dev;
2501         int ret;
2502
2503         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2504         dev = &rte_eth_devices[port_id];
2505         if (!(dev->data->dev_conf.rxmode.offloads &
2506               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2507                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2508                         port_id);
2509                 return -ENOSYS;
2510         }
2511
2512         if (vlan_id > 4095) {
2513                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2514                         port_id, vlan_id);
2515                 return -EINVAL;
2516         }
2517         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2518
2519         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2520         if (ret == 0) {
2521                 struct rte_vlan_filter_conf *vfc;
2522                 int vidx;
2523                 int vbit;
2524
2525                 vfc = &dev->data->vlan_filter_conf;
2526                 vidx = vlan_id / 64;
2527                 vbit = vlan_id % 64;
2528
2529                 if (on)
2530                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2531                 else
2532                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2533         }
2534
2535         return eth_err(port_id, ret);
2536 }
2537
2538 int
2539 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2540                                     int on)
2541 {
2542         struct rte_eth_dev *dev;
2543
2544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2545         dev = &rte_eth_devices[port_id];
2546         if (rx_queue_id >= dev->data->nb_rx_queues) {
2547                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2548                 return -EINVAL;
2549         }
2550
2551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2552         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2553
2554         return 0;
2555 }
2556
2557 int
2558 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2559                                 enum rte_vlan_type vlan_type,
2560                                 uint16_t tpid)
2561 {
2562         struct rte_eth_dev *dev;
2563
2564         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2565         dev = &rte_eth_devices[port_id];
2566         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2567
2568         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2569                                                                tpid));
2570 }
2571
2572 int
2573 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2574 {
2575         struct rte_eth_dev *dev;
2576         int ret = 0;
2577         int mask = 0;
2578         int cur, org = 0;
2579         uint64_t orig_offloads;
2580
2581         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2582         dev = &rte_eth_devices[port_id];
2583
2584         /* save original values in case of failure */
2585         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2586
2587         /*check which option changed by application*/
2588         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2589         org = !!(dev->data->dev_conf.rxmode.offloads &
2590                  DEV_RX_OFFLOAD_VLAN_STRIP);
2591         if (cur != org) {
2592                 if (cur)
2593                         dev->data->dev_conf.rxmode.offloads |=
2594                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2595                 else
2596                         dev->data->dev_conf.rxmode.offloads &=
2597                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2598                 mask |= ETH_VLAN_STRIP_MASK;
2599         }
2600
2601         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2602         org = !!(dev->data->dev_conf.rxmode.offloads &
2603                  DEV_RX_OFFLOAD_VLAN_FILTER);
2604         if (cur != org) {
2605                 if (cur)
2606                         dev->data->dev_conf.rxmode.offloads |=
2607                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2608                 else
2609                         dev->data->dev_conf.rxmode.offloads &=
2610                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2611                 mask |= ETH_VLAN_FILTER_MASK;
2612         }
2613
2614         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2615         org = !!(dev->data->dev_conf.rxmode.offloads &
2616                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2617         if (cur != org) {
2618                 if (cur)
2619                         dev->data->dev_conf.rxmode.offloads |=
2620                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2621                 else
2622                         dev->data->dev_conf.rxmode.offloads &=
2623                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2624                 mask |= ETH_VLAN_EXTEND_MASK;
2625         }
2626
2627         /*no change*/
2628         if (mask == 0)
2629                 return ret;
2630
2631         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2632         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2633         if (ret) {
2634                 /* hit an error restore  original values */
2635                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2636         }
2637
2638         return eth_err(port_id, ret);
2639 }
2640
2641 int
2642 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2643 {
2644         struct rte_eth_dev *dev;
2645         int ret = 0;
2646
2647         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2648         dev = &rte_eth_devices[port_id];
2649
2650         if (dev->data->dev_conf.rxmode.offloads &
2651             DEV_RX_OFFLOAD_VLAN_STRIP)
2652                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2653
2654         if (dev->data->dev_conf.rxmode.offloads &
2655             DEV_RX_OFFLOAD_VLAN_FILTER)
2656                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2657
2658         if (dev->data->dev_conf.rxmode.offloads &
2659             DEV_RX_OFFLOAD_VLAN_EXTEND)
2660                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2661
2662         return ret;
2663 }
2664
2665 int
2666 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2667 {
2668         struct rte_eth_dev *dev;
2669
2670         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2671         dev = &rte_eth_devices[port_id];
2672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2673
2674         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2675 }
2676
2677 int
2678 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2679 {
2680         struct rte_eth_dev *dev;
2681
2682         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2683         dev = &rte_eth_devices[port_id];
2684         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2685         memset(fc_conf, 0, sizeof(*fc_conf));
2686         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2687 }
2688
2689 int
2690 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2691 {
2692         struct rte_eth_dev *dev;
2693
2694         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2695         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2696                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2697                 return -EINVAL;
2698         }
2699
2700         dev = &rte_eth_devices[port_id];
2701         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2702         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2703 }
2704
2705 int
2706 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2707                                    struct rte_eth_pfc_conf *pfc_conf)
2708 {
2709         struct rte_eth_dev *dev;
2710
2711         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2712         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2713                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2714                 return -EINVAL;
2715         }
2716
2717         dev = &rte_eth_devices[port_id];
2718         /* High water, low water validation are device specific */
2719         if  (*dev->dev_ops->priority_flow_ctrl_set)
2720                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2721                                         (dev, pfc_conf));
2722         return -ENOTSUP;
2723 }
2724
2725 static int
2726 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2727                         uint16_t reta_size)
2728 {
2729         uint16_t i, num;
2730
2731         if (!reta_conf)
2732                 return -EINVAL;
2733
2734         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2735         for (i = 0; i < num; i++) {
2736                 if (reta_conf[i].mask)
2737                         return 0;
2738         }
2739
2740         return -EINVAL;
2741 }
2742
2743 static int
2744 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2745                          uint16_t reta_size,
2746                          uint16_t max_rxq)
2747 {
2748         uint16_t i, idx, shift;
2749
2750         if (!reta_conf)
2751                 return -EINVAL;
2752
2753         if (max_rxq == 0) {
2754                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2755                 return -EINVAL;
2756         }
2757
2758         for (i = 0; i < reta_size; i++) {
2759                 idx = i / RTE_RETA_GROUP_SIZE;
2760                 shift = i % RTE_RETA_GROUP_SIZE;
2761                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2762                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2763                         RTE_ETHDEV_LOG(ERR,
2764                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2765                                 idx, shift,
2766                                 reta_conf[idx].reta[shift], max_rxq);
2767                         return -EINVAL;
2768                 }
2769         }
2770
2771         return 0;
2772 }
2773
2774 int
2775 rte_eth_dev_rss_reta_update(uint16_t port_id,
2776                             struct rte_eth_rss_reta_entry64 *reta_conf,
2777                             uint16_t reta_size)
2778 {
2779         struct rte_eth_dev *dev;
2780         int ret;
2781
2782         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2783         /* Check mask bits */
2784         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2785         if (ret < 0)
2786                 return ret;
2787
2788         dev = &rte_eth_devices[port_id];
2789
2790         /* Check entry value */
2791         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2792                                 dev->data->nb_rx_queues);
2793         if (ret < 0)
2794                 return ret;
2795
2796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2797         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2798                                                              reta_size));
2799 }
2800
2801 int
2802 rte_eth_dev_rss_reta_query(uint16_t port_id,
2803                            struct rte_eth_rss_reta_entry64 *reta_conf,
2804                            uint16_t reta_size)
2805 {
2806         struct rte_eth_dev *dev;
2807         int ret;
2808
2809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2810
2811         /* Check mask bits */
2812         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2813         if (ret < 0)
2814                 return ret;
2815
2816         dev = &rte_eth_devices[port_id];
2817         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2818         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2819                                                             reta_size));
2820 }
2821
2822 int
2823 rte_eth_dev_rss_hash_update(uint16_t port_id,
2824                             struct rte_eth_rss_conf *rss_conf)
2825 {
2826         struct rte_eth_dev *dev;
2827         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2828
2829         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2830         dev = &rte_eth_devices[port_id];
2831         rte_eth_dev_info_get(port_id, &dev_info);
2832         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2833             dev_info.flow_type_rss_offloads) {
2834                 RTE_ETHDEV_LOG(ERR,
2835                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2836                         port_id, rss_conf->rss_hf,
2837                         dev_info.flow_type_rss_offloads);
2838                 return -EINVAL;
2839         }
2840         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2841         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2842                                                                  rss_conf));
2843 }
2844
2845 int
2846 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2847                               struct rte_eth_rss_conf *rss_conf)
2848 {
2849         struct rte_eth_dev *dev;
2850
2851         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2852         dev = &rte_eth_devices[port_id];
2853         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2854         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2855                                                                    rss_conf));
2856 }
2857
2858 int
2859 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2860                                 struct rte_eth_udp_tunnel *udp_tunnel)
2861 {
2862         struct rte_eth_dev *dev;
2863
2864         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2865         if (udp_tunnel == NULL) {
2866                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2867                 return -EINVAL;
2868         }
2869
2870         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2871                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2872                 return -EINVAL;
2873         }
2874
2875         dev = &rte_eth_devices[port_id];
2876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2877         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2878                                                                 udp_tunnel));
2879 }
2880
2881 int
2882 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2883                                    struct rte_eth_udp_tunnel *udp_tunnel)
2884 {
2885         struct rte_eth_dev *dev;
2886
2887         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2888         dev = &rte_eth_devices[port_id];
2889
2890         if (udp_tunnel == NULL) {
2891                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2892                 return -EINVAL;
2893         }
2894
2895         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2896                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2897                 return -EINVAL;
2898         }
2899
2900         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2901         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2902                                                                 udp_tunnel));
2903 }
2904
2905 int
2906 rte_eth_led_on(uint16_t port_id)
2907 {
2908         struct rte_eth_dev *dev;
2909
2910         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2911         dev = &rte_eth_devices[port_id];
2912         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2913         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
2914 }
2915
2916 int
2917 rte_eth_led_off(uint16_t port_id)
2918 {
2919         struct rte_eth_dev *dev;
2920
2921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2922         dev = &rte_eth_devices[port_id];
2923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2924         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
2925 }
2926
2927 /*
2928  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2929  * an empty spot.
2930  */
2931 static int
2932 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
2933 {
2934         struct rte_eth_dev_info dev_info;
2935         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2936         unsigned i;
2937
2938         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2939         rte_eth_dev_info_get(port_id, &dev_info);
2940
2941         for (i = 0; i < dev_info.max_mac_addrs; i++)
2942                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2943                         return i;
2944
2945         return -1;
2946 }
2947
2948 static const struct ether_addr null_mac_addr;
2949
2950 int
2951 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
2952                         uint32_t pool)
2953 {
2954         struct rte_eth_dev *dev;
2955         int index;
2956         uint64_t pool_mask;
2957         int ret;
2958
2959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2960         dev = &rte_eth_devices[port_id];
2961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2962
2963         if (is_zero_ether_addr(addr)) {
2964                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
2965                         port_id);
2966                 return -EINVAL;
2967         }
2968         if (pool >= ETH_64_POOLS) {
2969                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
2970                 return -EINVAL;
2971         }
2972
2973         index = get_mac_addr_index(port_id, addr);
2974         if (index < 0) {
2975                 index = get_mac_addr_index(port_id, &null_mac_addr);
2976                 if (index < 0) {
2977                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
2978                                 port_id);
2979                         return -ENOSPC;
2980                 }
2981         } else {
2982                 pool_mask = dev->data->mac_pool_sel[index];
2983
2984                 /* Check if both MAC address and pool is already there, and do nothing */
2985                 if (pool_mask & (1ULL << pool))
2986                         return 0;
2987         }
2988
2989         /* Update NIC */
2990         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2991
2992         if (ret == 0) {
2993                 /* Update address in NIC data structure */
2994                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2995
2996                 /* Update pool bitmap in NIC data structure */
2997                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
2998         }
2999
3000         return eth_err(port_id, ret);
3001 }
3002
3003 int
3004 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3005 {
3006         struct rte_eth_dev *dev;
3007         int index;
3008
3009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3010         dev = &rte_eth_devices[port_id];
3011         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3012
3013         index = get_mac_addr_index(port_id, addr);
3014         if (index == 0) {
3015                 RTE_ETHDEV_LOG(ERR,
3016                         "Port %u: Cannot remove default MAC address\n",
3017                         port_id);
3018                 return -EADDRINUSE;
3019         } else if (index < 0)
3020                 return 0;  /* Do nothing if address wasn't found */
3021
3022         /* Update NIC */
3023         (*dev->dev_ops->mac_addr_remove)(dev, index);
3024
3025         /* Update address in NIC data structure */
3026         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3027
3028         /* reset pool bitmap */
3029         dev->data->mac_pool_sel[index] = 0;
3030
3031         return 0;
3032 }
3033
3034 int
3035 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3036 {
3037         struct rte_eth_dev *dev;
3038         int ret;
3039
3040         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3041
3042         if (!is_valid_assigned_ether_addr(addr))
3043                 return -EINVAL;
3044
3045         dev = &rte_eth_devices[port_id];
3046         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3047
3048         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3049         if (ret < 0)
3050                 return ret;
3051
3052         /* Update default address in NIC data structure */
3053         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3054
3055         return 0;
3056 }
3057
3058
3059 /*
3060  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3061  * an empty spot.
3062  */
3063 static int
3064 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3065 {
3066         struct rte_eth_dev_info dev_info;
3067         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3068         unsigned i;
3069
3070         rte_eth_dev_info_get(port_id, &dev_info);
3071         if (!dev->data->hash_mac_addrs)
3072                 return -1;
3073
3074         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3075                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3076                         ETHER_ADDR_LEN) == 0)
3077                         return i;
3078
3079         return -1;
3080 }
3081
3082 int
3083 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3084                                 uint8_t on)
3085 {
3086         int index;
3087         int ret;
3088         struct rte_eth_dev *dev;
3089
3090         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3091
3092         dev = &rte_eth_devices[port_id];
3093         if (is_zero_ether_addr(addr)) {
3094                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3095                         port_id);
3096                 return -EINVAL;
3097         }
3098
3099         index = get_hash_mac_addr_index(port_id, addr);
3100         /* Check if it's already there, and do nothing */
3101         if ((index >= 0) && on)
3102                 return 0;
3103
3104         if (index < 0) {
3105                 if (!on) {
3106                         RTE_ETHDEV_LOG(ERR,
3107                                 "Port %u: the MAC address was not set in UTA\n",
3108                                 port_id);
3109                         return -EINVAL;
3110                 }
3111
3112                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3113                 if (index < 0) {
3114                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3115                                 port_id);
3116                         return -ENOSPC;
3117                 }
3118         }
3119
3120         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3121         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3122         if (ret == 0) {
3123                 /* Update address in NIC data structure */
3124                 if (on)
3125                         ether_addr_copy(addr,
3126                                         &dev->data->hash_mac_addrs[index]);
3127                 else
3128                         ether_addr_copy(&null_mac_addr,
3129                                         &dev->data->hash_mac_addrs[index]);
3130         }
3131
3132         return eth_err(port_id, ret);
3133 }
3134
3135 int
3136 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3137 {
3138         struct rte_eth_dev *dev;
3139
3140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3141
3142         dev = &rte_eth_devices[port_id];
3143
3144         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3145         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3146                                                                        on));
3147 }
3148
3149 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3150                                         uint16_t tx_rate)
3151 {
3152         struct rte_eth_dev *dev;
3153         struct rte_eth_dev_info dev_info;
3154         struct rte_eth_link link;
3155
3156         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3157
3158         dev = &rte_eth_devices[port_id];
3159         rte_eth_dev_info_get(port_id, &dev_info);
3160         link = dev->data->dev_link;
3161
3162         if (queue_idx > dev_info.max_tx_queues) {
3163                 RTE_ETHDEV_LOG(ERR,
3164                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3165                         port_id, queue_idx);
3166                 return -EINVAL;
3167         }
3168
3169         if (tx_rate > link.link_speed) {
3170                 RTE_ETHDEV_LOG(ERR,
3171                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3172                         tx_rate, link.link_speed);
3173                 return -EINVAL;
3174         }
3175
3176         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3177         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3178                                                         queue_idx, tx_rate));
3179 }
3180
3181 int
3182 rte_eth_mirror_rule_set(uint16_t port_id,
3183                         struct rte_eth_mirror_conf *mirror_conf,
3184                         uint8_t rule_id, uint8_t on)
3185 {
3186         struct rte_eth_dev *dev;
3187
3188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3189         if (mirror_conf->rule_type == 0) {
3190                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3191                 return -EINVAL;
3192         }
3193
3194         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3195                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3196                         ETH_64_POOLS - 1);
3197                 return -EINVAL;
3198         }
3199
3200         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3201              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3202             (mirror_conf->pool_mask == 0)) {
3203                 RTE_ETHDEV_LOG(ERR,
3204                         "Invalid mirror pool, pool mask can not be 0\n");
3205                 return -EINVAL;
3206         }
3207
3208         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3209             mirror_conf->vlan.vlan_mask == 0) {
3210                 RTE_ETHDEV_LOG(ERR,
3211                         "Invalid vlan mask, vlan mask can not be 0\n");
3212                 return -EINVAL;
3213         }
3214
3215         dev = &rte_eth_devices[port_id];
3216         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3217
3218         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3219                                                 mirror_conf, rule_id, on));
3220 }
3221
3222 int
3223 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3224 {
3225         struct rte_eth_dev *dev;
3226
3227         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3228
3229         dev = &rte_eth_devices[port_id];
3230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3231
3232         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3233                                                                    rule_id));
3234 }
3235
3236 RTE_INIT(eth_dev_init_cb_lists)
3237 {
3238         int i;
3239
3240         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3241                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3242 }
3243
3244 int
3245 rte_eth_dev_callback_register(uint16_t port_id,
3246                         enum rte_eth_event_type event,
3247                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3248 {
3249         struct rte_eth_dev *dev;
3250         struct rte_eth_dev_callback *user_cb;
3251         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3252         uint16_t last_port;
3253
3254         if (!cb_fn)
3255                 return -EINVAL;
3256
3257         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3258                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3259                 return -EINVAL;
3260         }
3261
3262         if (port_id == RTE_ETH_ALL) {
3263                 next_port = 0;
3264                 last_port = RTE_MAX_ETHPORTS - 1;
3265         } else {
3266                 next_port = last_port = port_id;
3267         }
3268
3269         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3270
3271         do {
3272                 dev = &rte_eth_devices[next_port];
3273
3274                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3275                         if (user_cb->cb_fn == cb_fn &&
3276                                 user_cb->cb_arg == cb_arg &&
3277                                 user_cb->event == event) {
3278                                 break;
3279                         }
3280                 }
3281
3282                 /* create a new callback. */
3283                 if (user_cb == NULL) {
3284                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3285                                 sizeof(struct rte_eth_dev_callback), 0);
3286                         if (user_cb != NULL) {
3287                                 user_cb->cb_fn = cb_fn;
3288                                 user_cb->cb_arg = cb_arg;
3289                                 user_cb->event = event;
3290                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3291                                                   user_cb, next);
3292                         } else {
3293                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3294                                 rte_eth_dev_callback_unregister(port_id, event,
3295                                                                 cb_fn, cb_arg);
3296                                 return -ENOMEM;
3297                         }
3298
3299                 }
3300         } while (++next_port <= last_port);
3301
3302         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3303         return 0;
3304 }
3305
3306 int
3307 rte_eth_dev_callback_unregister(uint16_t port_id,
3308                         enum rte_eth_event_type event,
3309                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3310 {
3311         int ret;
3312         struct rte_eth_dev *dev;
3313         struct rte_eth_dev_callback *cb, *next;
3314         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3315         uint16_t last_port;
3316
3317         if (!cb_fn)
3318                 return -EINVAL;
3319
3320         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3321                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3322                 return -EINVAL;
3323         }
3324
3325         if (port_id == RTE_ETH_ALL) {
3326                 next_port = 0;
3327                 last_port = RTE_MAX_ETHPORTS - 1;
3328         } else {
3329                 next_port = last_port = port_id;
3330         }
3331
3332         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3333
3334         do {
3335                 dev = &rte_eth_devices[next_port];
3336                 ret = 0;
3337                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3338                      cb = next) {
3339
3340                         next = TAILQ_NEXT(cb, next);
3341
3342                         if (cb->cb_fn != cb_fn || cb->event != event ||
3343                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3344                                 continue;
3345
3346                         /*
3347                          * if this callback is not executing right now,
3348                          * then remove it.
3349                          */
3350                         if (cb->active == 0) {
3351                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3352                                 rte_free(cb);
3353                         } else {
3354                                 ret = -EAGAIN;
3355                         }
3356                 }
3357         } while (++next_port <= last_port);
3358
3359         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3360         return ret;
3361 }
3362
3363 int
3364 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3365         enum rte_eth_event_type event, void *ret_param)
3366 {
3367         struct rte_eth_dev_callback *cb_lst;
3368         struct rte_eth_dev_callback dev_cb;
3369         int rc = 0;
3370
3371         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3372         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3373                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3374                         continue;
3375                 dev_cb = *cb_lst;
3376                 cb_lst->active = 1;
3377                 if (ret_param != NULL)
3378                         dev_cb.ret_param = ret_param;
3379
3380                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3381                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3382                                 dev_cb.cb_arg, dev_cb.ret_param);
3383                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3384                 cb_lst->active = 0;
3385         }
3386         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3387         return rc;
3388 }
3389
3390 void
3391 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3392 {
3393         if (dev == NULL)
3394                 return;
3395
3396         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3397
3398         dev->state = RTE_ETH_DEV_ATTACHED;
3399 }
3400
3401 int
3402 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3403 {
3404         uint32_t vec;
3405         struct rte_eth_dev *dev;
3406         struct rte_intr_handle *intr_handle;
3407         uint16_t qid;
3408         int rc;
3409
3410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3411
3412         dev = &rte_eth_devices[port_id];
3413
3414         if (!dev->intr_handle) {
3415                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3416                 return -ENOTSUP;
3417         }
3418
3419         intr_handle = dev->intr_handle;
3420         if (!intr_handle->intr_vec) {
3421                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3422                 return -EPERM;
3423         }
3424
3425         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3426                 vec = intr_handle->intr_vec[qid];
3427                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3428                 if (rc && rc != -EEXIST) {
3429                         RTE_ETHDEV_LOG(ERR,
3430                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3431                                 port_id, qid, op, epfd, vec);
3432                 }
3433         }
3434
3435         return 0;
3436 }
3437
3438 const struct rte_memzone *
3439 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3440                          uint16_t queue_id, size_t size, unsigned align,
3441                          int socket_id)
3442 {
3443         char z_name[RTE_MEMZONE_NAMESIZE];
3444         const struct rte_memzone *mz;
3445
3446         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3447                  dev->device->driver->name, ring_name,
3448                  dev->data->port_id, queue_id);
3449
3450         mz = rte_memzone_lookup(z_name);
3451         if (mz)
3452                 return mz;
3453
3454         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3455                         RTE_MEMZONE_IOVA_CONTIG, align);
3456 }
3457
3458 int __rte_experimental
3459 rte_eth_dev_create(struct rte_device *device, const char *name,
3460         size_t priv_data_size,
3461         ethdev_bus_specific_init ethdev_bus_specific_init,
3462         void *bus_init_params,
3463         ethdev_init_t ethdev_init, void *init_params)
3464 {
3465         struct rte_eth_dev *ethdev;
3466         int retval;
3467
3468         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3469
3470         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3471                 ethdev = rte_eth_dev_allocate(name);
3472                 if (!ethdev) {
3473                         retval = -ENODEV;
3474                         goto probe_failed;
3475                 }
3476
3477                 if (priv_data_size) {
3478                         ethdev->data->dev_private = rte_zmalloc_socket(
3479                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3480                                 device->numa_node);
3481
3482                         if (!ethdev->data->dev_private) {
3483                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3484                                 retval = -ENOMEM;
3485                                 goto probe_failed;
3486                         }
3487                 }
3488         } else {
3489                 ethdev = rte_eth_dev_attach_secondary(name);
3490                 if (!ethdev) {
3491                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3492                                 "ethdev doesn't exist");
3493                         retval = -ENODEV;
3494                         goto probe_failed;
3495                 }
3496         }
3497
3498         ethdev->device = device;
3499
3500         if (ethdev_bus_specific_init) {
3501                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3502                 if (retval) {
3503                         RTE_LOG(ERR, EAL,
3504                                 "ethdev bus specific initialisation failed");
3505                         goto probe_failed;
3506                 }
3507         }
3508
3509         retval = ethdev_init(ethdev, init_params);
3510         if (retval) {
3511                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3512                 goto probe_failed;
3513         }
3514
3515         rte_eth_dev_probing_finish(ethdev);
3516
3517         return retval;
3518 probe_failed:
3519         /* free ports private data if primary process */
3520         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3521                 rte_free(ethdev->data->dev_private);
3522
3523         rte_eth_dev_release_port(ethdev);
3524
3525         return retval;
3526 }
3527
3528 int  __rte_experimental
3529 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3530         ethdev_uninit_t ethdev_uninit)
3531 {
3532         int ret;
3533
3534         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3535         if (!ethdev)
3536                 return -ENODEV;
3537
3538         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3539         if (ethdev_uninit) {
3540                 ret = ethdev_uninit(ethdev);
3541                 if (ret)
3542                         return ret;
3543         }
3544
3545         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3546                 rte_free(ethdev->data->dev_private);
3547
3548         ethdev->data->dev_private = NULL;
3549
3550         return rte_eth_dev_release_port(ethdev);
3551 }
3552
3553 int
3554 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3555                           int epfd, int op, void *data)
3556 {
3557         uint32_t vec;
3558         struct rte_eth_dev *dev;
3559         struct rte_intr_handle *intr_handle;
3560         int rc;
3561
3562         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3563
3564         dev = &rte_eth_devices[port_id];
3565         if (queue_id >= dev->data->nb_rx_queues) {
3566                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3567                 return -EINVAL;
3568         }
3569
3570         if (!dev->intr_handle) {
3571                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3572                 return -ENOTSUP;
3573         }
3574
3575         intr_handle = dev->intr_handle;
3576         if (!intr_handle->intr_vec) {
3577                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3578                 return -EPERM;
3579         }
3580
3581         vec = intr_handle->intr_vec[queue_id];
3582         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3583         if (rc && rc != -EEXIST) {
3584                 RTE_ETHDEV_LOG(ERR,
3585                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3586                         port_id, queue_id, op, epfd, vec);
3587                 return rc;
3588         }
3589
3590         return 0;
3591 }
3592
3593 int
3594 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3595                            uint16_t queue_id)
3596 {
3597         struct rte_eth_dev *dev;
3598
3599         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3600
3601         dev = &rte_eth_devices[port_id];
3602
3603         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3604         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3605                                                                 queue_id));
3606 }
3607
3608 int
3609 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3610                             uint16_t queue_id)
3611 {
3612         struct rte_eth_dev *dev;
3613
3614         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3615
3616         dev = &rte_eth_devices[port_id];
3617
3618         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3619         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3620                                                                 queue_id));
3621 }
3622
3623
3624 int
3625 rte_eth_dev_filter_supported(uint16_t port_id,
3626                              enum rte_filter_type filter_type)
3627 {
3628         struct rte_eth_dev *dev;
3629
3630         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3631
3632         dev = &rte_eth_devices[port_id];
3633         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3634         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3635                                 RTE_ETH_FILTER_NOP, NULL);
3636 }
3637
3638 int
3639 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3640                         enum rte_filter_op filter_op, void *arg)
3641 {
3642         struct rte_eth_dev *dev;
3643
3644         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3645
3646         dev = &rte_eth_devices[port_id];
3647         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3648         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3649                                                              filter_op, arg));
3650 }
3651
3652 const struct rte_eth_rxtx_callback *
3653 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3654                 rte_rx_callback_fn fn, void *user_param)
3655 {
3656 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3657         rte_errno = ENOTSUP;
3658         return NULL;
3659 #endif
3660         /* check input parameters */
3661         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3662                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3663                 rte_errno = EINVAL;
3664                 return NULL;
3665         }
3666         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3667
3668         if (cb == NULL) {
3669                 rte_errno = ENOMEM;
3670                 return NULL;
3671         }
3672
3673         cb->fn.rx = fn;
3674         cb->param = user_param;
3675
3676         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3677         /* Add the callbacks in fifo order. */
3678         struct rte_eth_rxtx_callback *tail =
3679                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3680
3681         if (!tail) {
3682                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3683
3684         } else {
3685                 while (tail->next)
3686                         tail = tail->next;
3687                 tail->next = cb;
3688         }
3689         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3690
3691         return cb;
3692 }
3693
3694 const struct rte_eth_rxtx_callback *
3695 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3696                 rte_rx_callback_fn fn, void *user_param)
3697 {
3698 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3699         rte_errno = ENOTSUP;
3700         return NULL;
3701 #endif
3702         /* check input parameters */
3703         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3704                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3705                 rte_errno = EINVAL;
3706                 return NULL;
3707         }
3708
3709         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3710
3711         if (cb == NULL) {
3712                 rte_errno = ENOMEM;
3713                 return NULL;
3714         }
3715
3716         cb->fn.rx = fn;
3717         cb->param = user_param;
3718
3719         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3720         /* Add the callbacks at fisrt position*/
3721         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3722         rte_smp_wmb();
3723         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3724         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3725
3726         return cb;
3727 }
3728
3729 const struct rte_eth_rxtx_callback *
3730 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3731                 rte_tx_callback_fn fn, void *user_param)
3732 {
3733 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3734         rte_errno = ENOTSUP;
3735         return NULL;
3736 #endif
3737         /* check input parameters */
3738         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3739                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3740                 rte_errno = EINVAL;
3741                 return NULL;
3742         }
3743
3744         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3745
3746         if (cb == NULL) {
3747                 rte_errno = ENOMEM;
3748                 return NULL;
3749         }
3750
3751         cb->fn.tx = fn;
3752         cb->param = user_param;
3753
3754         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3755         /* Add the callbacks in fifo order. */
3756         struct rte_eth_rxtx_callback *tail =
3757                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3758
3759         if (!tail) {
3760                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3761
3762         } else {
3763                 while (tail->next)
3764                         tail = tail->next;
3765                 tail->next = cb;
3766         }
3767         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3768
3769         return cb;
3770 }
3771
3772 int
3773 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3774                 const struct rte_eth_rxtx_callback *user_cb)
3775 {
3776 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3777         return -ENOTSUP;
3778 #endif
3779         /* Check input parameters. */
3780         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3781         if (user_cb == NULL ||
3782                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3783                 return -EINVAL;
3784
3785         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3786         struct rte_eth_rxtx_callback *cb;
3787         struct rte_eth_rxtx_callback **prev_cb;
3788         int ret = -EINVAL;
3789
3790         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3791         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3792         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3793                 cb = *prev_cb;
3794                 if (cb == user_cb) {
3795                         /* Remove the user cb from the callback list. */
3796                         *prev_cb = cb->next;
3797                         ret = 0;
3798                         break;
3799                 }
3800         }
3801         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3802
3803         return ret;
3804 }
3805
3806 int
3807 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3808                 const struct rte_eth_rxtx_callback *user_cb)
3809 {
3810 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3811         return -ENOTSUP;
3812 #endif
3813         /* Check input parameters. */
3814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3815         if (user_cb == NULL ||
3816                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3817                 return -EINVAL;
3818
3819         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3820         int ret = -EINVAL;
3821         struct rte_eth_rxtx_callback *cb;
3822         struct rte_eth_rxtx_callback **prev_cb;
3823
3824         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3825         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3826         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3827                 cb = *prev_cb;
3828                 if (cb == user_cb) {
3829                         /* Remove the user cb from the callback list. */
3830                         *prev_cb = cb->next;
3831                         ret = 0;
3832                         break;
3833                 }
3834         }
3835         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3836
3837         return ret;
3838 }
3839
3840 int
3841 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3842         struct rte_eth_rxq_info *qinfo)
3843 {
3844         struct rte_eth_dev *dev;
3845
3846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3847
3848         if (qinfo == NULL)
3849                 return -EINVAL;
3850
3851         dev = &rte_eth_devices[port_id];
3852         if (queue_id >= dev->data->nb_rx_queues) {
3853                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3854                 return -EINVAL;
3855         }
3856
3857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3858
3859         memset(qinfo, 0, sizeof(*qinfo));
3860         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3861         return 0;
3862 }
3863
3864 int
3865 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3866         struct rte_eth_txq_info *qinfo)
3867 {
3868         struct rte_eth_dev *dev;
3869
3870         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3871
3872         if (qinfo == NULL)
3873                 return -EINVAL;
3874
3875         dev = &rte_eth_devices[port_id];
3876         if (queue_id >= dev->data->nb_tx_queues) {
3877                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
3878                 return -EINVAL;
3879         }
3880
3881         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3882
3883         memset(qinfo, 0, sizeof(*qinfo));
3884         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3885
3886         return 0;
3887 }
3888
3889 int
3890 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3891                              struct ether_addr *mc_addr_set,
3892                              uint32_t nb_mc_addr)
3893 {
3894         struct rte_eth_dev *dev;
3895
3896         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3897
3898         dev = &rte_eth_devices[port_id];
3899         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3900         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3901                                                 mc_addr_set, nb_mc_addr));
3902 }
3903
3904 int
3905 rte_eth_timesync_enable(uint16_t port_id)
3906 {
3907         struct rte_eth_dev *dev;
3908
3909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3910         dev = &rte_eth_devices[port_id];
3911
3912         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3913         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
3914 }
3915
3916 int
3917 rte_eth_timesync_disable(uint16_t port_id)
3918 {
3919         struct rte_eth_dev *dev;
3920
3921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3922         dev = &rte_eth_devices[port_id];
3923
3924         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3925         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
3926 }
3927
3928 int
3929 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
3930                                    uint32_t flags)
3931 {
3932         struct rte_eth_dev *dev;
3933
3934         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3935         dev = &rte_eth_devices[port_id];
3936
3937         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3938         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
3939                                 (dev, timestamp, flags));
3940 }
3941
3942 int
3943 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
3944                                    struct timespec *timestamp)
3945 {
3946         struct rte_eth_dev *dev;
3947
3948         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3949         dev = &rte_eth_devices[port_id];
3950
3951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3952         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
3953                                 (dev, timestamp));
3954 }
3955
3956 int
3957 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
3958 {
3959         struct rte_eth_dev *dev;
3960
3961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3962         dev = &rte_eth_devices[port_id];
3963
3964         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3965         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
3966                                                                       delta));
3967 }
3968
3969 int
3970 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
3971 {
3972         struct rte_eth_dev *dev;
3973
3974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3975         dev = &rte_eth_devices[port_id];
3976
3977         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3978         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
3979                                                                 timestamp));
3980 }
3981
3982 int
3983 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
3984 {
3985         struct rte_eth_dev *dev;
3986
3987         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3988         dev = &rte_eth_devices[port_id];
3989
3990         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3991         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
3992                                                                 timestamp));
3993 }
3994
3995 int
3996 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
3997 {
3998         struct rte_eth_dev *dev;
3999
4000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4001
4002         dev = &rte_eth_devices[port_id];
4003         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4004         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4005 }
4006
4007 int
4008 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4009 {
4010         struct rte_eth_dev *dev;
4011
4012         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4013
4014         dev = &rte_eth_devices[port_id];
4015         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4016         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4017 }
4018
4019 int
4020 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4021 {
4022         struct rte_eth_dev *dev;
4023
4024         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4025
4026         dev = &rte_eth_devices[port_id];
4027         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4028         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4029 }
4030
4031 int
4032 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4033 {
4034         struct rte_eth_dev *dev;
4035
4036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4037
4038         dev = &rte_eth_devices[port_id];
4039         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4040         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4041 }
4042
4043 int __rte_experimental
4044 rte_eth_dev_get_module_info(uint16_t port_id,
4045                             struct rte_eth_dev_module_info *modinfo)
4046 {
4047         struct rte_eth_dev *dev;
4048
4049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4050
4051         dev = &rte_eth_devices[port_id];
4052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4053         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4054 }
4055
4056 int __rte_experimental
4057 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4058                               struct rte_dev_eeprom_info *info)
4059 {
4060         struct rte_eth_dev *dev;
4061
4062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4063
4064         dev = &rte_eth_devices[port_id];
4065         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4066         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4067 }
4068
4069 int
4070 rte_eth_dev_get_dcb_info(uint16_t port_id,
4071                              struct rte_eth_dcb_info *dcb_info)
4072 {
4073         struct rte_eth_dev *dev;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076
4077         dev = &rte_eth_devices[port_id];
4078         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4079
4080         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4081         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4082 }
4083
4084 int
4085 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4086                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4087 {
4088         struct rte_eth_dev *dev;
4089
4090         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4091         if (l2_tunnel == NULL) {
4092                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4093                 return -EINVAL;
4094         }
4095
4096         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4097                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4098                 return -EINVAL;
4099         }
4100
4101         dev = &rte_eth_devices[port_id];
4102         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4103                                 -ENOTSUP);
4104         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4105                                                                 l2_tunnel));
4106 }
4107
4108 int
4109 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4110                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4111                                   uint32_t mask,
4112                                   uint8_t en)
4113 {
4114         struct rte_eth_dev *dev;
4115
4116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4117
4118         if (l2_tunnel == NULL) {
4119                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4120                 return -EINVAL;
4121         }
4122
4123         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4124                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4125                 return -EINVAL;
4126         }
4127
4128         if (mask == 0) {
4129                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4130                 return -EINVAL;
4131         }
4132
4133         dev = &rte_eth_devices[port_id];
4134         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4135                                 -ENOTSUP);
4136         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4137                                                         l2_tunnel, mask, en));
4138 }
4139
4140 static void
4141 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4142                            const struct rte_eth_desc_lim *desc_lim)
4143 {
4144         if (desc_lim->nb_align != 0)
4145                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4146
4147         if (desc_lim->nb_max != 0)
4148                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4149
4150         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4151 }
4152
4153 int
4154 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4155                                  uint16_t *nb_rx_desc,
4156                                  uint16_t *nb_tx_desc)
4157 {
4158         struct rte_eth_dev *dev;
4159         struct rte_eth_dev_info dev_info;
4160
4161         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4162
4163         dev = &rte_eth_devices[port_id];
4164         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4165
4166         rte_eth_dev_info_get(port_id, &dev_info);
4167
4168         if (nb_rx_desc != NULL)
4169                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4170
4171         if (nb_tx_desc != NULL)
4172                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4173
4174         return 0;
4175 }
4176
4177 int
4178 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4179 {
4180         struct rte_eth_dev *dev;
4181
4182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4183
4184         if (pool == NULL)
4185                 return -EINVAL;
4186
4187         dev = &rte_eth_devices[port_id];
4188
4189         if (*dev->dev_ops->pool_ops_supported == NULL)
4190                 return 1; /* all pools are supported */
4191
4192         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4193 }
4194
4195 /**
4196  * A set of values to describe the possible states of a switch domain.
4197  */
4198 enum rte_eth_switch_domain_state {
4199         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4200         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4201 };
4202
4203 /**
4204  * Array of switch domains available for allocation. Array is sized to
4205  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4206  * ethdev ports in a single process.
4207  */
4208 struct rte_eth_dev_switch {
4209         enum rte_eth_switch_domain_state state;
4210 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4211
4212 int __rte_experimental
4213 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4214 {
4215         unsigned int i;
4216
4217         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4218
4219         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4220                 i < RTE_MAX_ETHPORTS; i++) {
4221                 if (rte_eth_switch_domains[i].state ==
4222                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4223                         rte_eth_switch_domains[i].state =
4224                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4225                         *domain_id = i;
4226                         return 0;
4227                 }
4228         }
4229
4230         return -ENOSPC;
4231 }
4232
4233 int __rte_experimental
4234 rte_eth_switch_domain_free(uint16_t domain_id)
4235 {
4236         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4237                 domain_id >= RTE_MAX_ETHPORTS)
4238                 return -EINVAL;
4239
4240         if (rte_eth_switch_domains[domain_id].state !=
4241                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4242                 return -EINVAL;
4243
4244         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4245
4246         return 0;
4247 }
4248
4249 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4250
4251 static int
4252 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4253 {
4254         int state;
4255         struct rte_kvargs_pair *pair;
4256         char *letter;
4257
4258         arglist->str = strdup(str_in);
4259         if (arglist->str == NULL)
4260                 return -ENOMEM;
4261
4262         letter = arglist->str;
4263         state = 0;
4264         arglist->count = 0;
4265         pair = &arglist->pairs[0];
4266         while (1) {
4267                 switch (state) {
4268                 case 0: /* Initial */
4269                         if (*letter == '=')
4270                                 return -EINVAL;
4271                         else if (*letter == '\0')
4272                                 return 0;
4273
4274                         state = 1;
4275                         pair->key = letter;
4276                         /* fall-thru */
4277
4278                 case 1: /* Parsing key */
4279                         if (*letter == '=') {
4280                                 *letter = '\0';
4281                                 pair->value = letter + 1;
4282                                 state = 2;
4283                         } else if (*letter == ',' || *letter == '\0')
4284                                 return -EINVAL;
4285                         break;
4286
4287
4288                 case 2: /* Parsing value */
4289                         if (*letter == '[')
4290                                 state = 3;
4291                         else if (*letter == ',') {
4292                                 *letter = '\0';
4293                                 arglist->count++;
4294                                 pair = &arglist->pairs[arglist->count];
4295                                 state = 0;
4296                         } else if (*letter == '\0') {
4297                                 letter--;
4298                                 arglist->count++;
4299                                 pair = &arglist->pairs[arglist->count];
4300                                 state = 0;
4301                         }
4302                         break;
4303
4304                 case 3: /* Parsing list */
4305                         if (*letter == ']')
4306                                 state = 2;
4307                         else if (*letter == '\0')
4308                                 return -EINVAL;
4309                         break;
4310                 }
4311                 letter++;
4312         }
4313 }
4314
4315 static int
4316 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4317         void *data)
4318 {
4319         char *str_start;
4320         int state;
4321         int result;
4322
4323         if (*str != '[')
4324                 /* Single element, not a list */
4325                 return callback(str, data);
4326
4327         /* Sanity check, then strip the brackets */
4328         str_start = &str[strlen(str) - 1];
4329         if (*str_start != ']') {
4330                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4331                 return -EINVAL;
4332         }
4333         str++;
4334         *str_start = '\0';
4335
4336         /* Process list elements */
4337         state = 0;
4338         while (1) {
4339                 if (state == 0) {
4340                         if (*str == '\0')
4341                                 break;
4342                         if (*str != ',') {
4343                                 str_start = str;
4344                                 state = 1;
4345                         }
4346                 } else if (state == 1) {
4347                         if (*str == ',' || *str == '\0') {
4348                                 if (str > str_start) {
4349                                         /* Non-empty string fragment */
4350                                         *str = '\0';
4351                                         result = callback(str_start, data);
4352                                         if (result < 0)
4353                                                 return result;
4354                                 }
4355                                 state = 0;
4356                         }
4357                 }
4358                 str++;
4359         }
4360         return 0;
4361 }
4362
4363 static int
4364 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4365         const uint16_t max_list)
4366 {
4367         uint16_t lo, hi, val;
4368         int result;
4369
4370         result = sscanf(str, "%hu-%hu", &lo, &hi);
4371         if (result == 1) {
4372                 if (*len_list >= max_list)
4373                         return -ENOMEM;
4374                 list[(*len_list)++] = lo;
4375         } else if (result == 2) {
4376                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4377                         return -EINVAL;
4378                 for (val = lo; val <= hi; val++) {
4379                         if (*len_list >= max_list)
4380                                 return -ENOMEM;
4381                         list[(*len_list)++] = val;
4382                 }
4383         } else
4384                 return -EINVAL;
4385         return 0;
4386 }
4387
4388
4389 static int
4390 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4391 {
4392         struct rte_eth_devargs *eth_da = data;
4393
4394         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4395                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4396 }
4397
4398 int __rte_experimental
4399 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4400 {
4401         struct rte_kvargs args;
4402         struct rte_kvargs_pair *pair;
4403         unsigned int i;
4404         int result = 0;
4405
4406         memset(eth_da, 0, sizeof(*eth_da));
4407
4408         result = rte_eth_devargs_tokenise(&args, dargs);
4409         if (result < 0)
4410                 goto parse_cleanup;
4411
4412         for (i = 0; i < args.count; i++) {
4413                 pair = &args.pairs[i];
4414                 if (strcmp("representor", pair->key) == 0) {
4415                         result = rte_eth_devargs_parse_list(pair->value,
4416                                 rte_eth_devargs_parse_representor_ports,
4417                                 eth_da);
4418                         if (result < 0)
4419                                 goto parse_cleanup;
4420                 }
4421         }
4422
4423 parse_cleanup:
4424         if (args.str)
4425                 free(args.str);
4426
4427         return result;
4428 }
4429
4430 RTE_INIT(ethdev_init_log)
4431 {
4432         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4433         if (rte_eth_dev_logtype >= 0)
4434                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4435 }