lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "rte_ether.h"
  41 #include "rte_ethdev.h"
  42 #include "rte_ethdev_driver.h"
  43 #include "ethdev_profile.h"
  44
  45 static int ethdev_logtype;
  46
  47 #define ethdev_log(level, fmt, ...) \
  48         rte_log(RTE_LOG_ ## level, ethdev_logtype, fmt "\n", ## __VA_ARGS__)
  49
  50 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  51 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  52 static uint8_t eth_dev_last_created_port;
  53
  54 /* spinlock for eth device callbacks */
  55 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove rx callbacks */
  58 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for add/remove tx callbacks */
  61 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* spinlock for shared data allocation */
  64 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  65
  66 /* store statistics names and its offset in stats structure  */
  67 struct rte_eth_xstats_name_off {
  68         char name[RTE_ETH_XSTATS_NAME_SIZE];
  69         unsigned offset;
  70 };
  71
  72 /* Shared memory between primary and secondary processes. */
  73 static struct {
  74         uint64_t next_owner_id;
  75         rte_spinlock_t ownership_lock;
  76         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  77 } *rte_eth_dev_shared_data;
  78
  79 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  80         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  81         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  82         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  83         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  84         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  85         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  86         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  87         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  88                 rx_nombuf)},
  89 };
  90
  91 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  92
  93 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  94         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  95         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  96         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  97 };
  98
  99 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 100                 sizeof(rte_rxq_stats_strings[0]))
 101
 102 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 103         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 104         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 105 };
 106 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 107                 sizeof(rte_txq_stats_strings[0]))
 108
 109 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 110         { DEV_RX_OFFLOAD_##_name, #_name }
 111
 112 static const struct {
 113         uint64_t offload;
 114         const char *name;
 115 } rte_rx_offload_names[] = {
 116         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 117         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 121         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 123         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 124         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 126         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 127         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 128         RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
 129         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 130         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 131         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161 };
 162
 163 #undef RTE_TX_OFFLOAD_BIT2STR
 164
 165 /**
 166  * The user application callback description.
 167  *
 168  * It contains callback address to be registered by user application,
 169  * the pointer to the parameters for callback, and the event type.
 170  */
 171 struct rte_eth_dev_callback {
 172         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 173         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 174         void *cb_arg;                           /**< Parameter for callback */
 175         void *ret_param;                        /**< Return parameter */
 176         enum rte_eth_event_type event;          /**< Interrupt event type */
 177         uint32_t active;                        /**< Callback is executing */
 178 };
 179
 180 enum {
 181         STAT_QMAP_TX = 0,
 182         STAT_QMAP_RX
 183 };
 184
 185 uint16_t
 186 rte_eth_find_next(uint16_t port_id)
 187 {
 188         while (port_id < RTE_MAX_ETHPORTS &&
 189                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 190                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 191                 port_id++;
 192
 193         if (port_id >= RTE_MAX_ETHPORTS)
 194                 return RTE_MAX_ETHPORTS;
 195
 196         return port_id;
 197 }
 198
 199 static void
 200 rte_eth_dev_shared_data_prepare(void)
 201 {
 202         const unsigned flags = 0;
 203         const struct rte_memzone *mz;
 204
 205         rte_spinlock_lock(&rte_eth_shared_data_lock);
 206
 207         if (rte_eth_dev_shared_data == NULL) {
 208                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 209                         /* Allocate port data and ownership shared memory. */
 210                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 211                                         sizeof(*rte_eth_dev_shared_data),
 212                                         rte_socket_id(), flags);
 213                 } else
 214                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 215                 if (mz == NULL)
 216                         rte_panic("Cannot allocate ethdev shared data\n");
 217
 218                 rte_eth_dev_shared_data = mz->addr;
 219                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 220                         rte_eth_dev_shared_data->next_owner_id =
 221                                         RTE_ETH_DEV_NO_OWNER + 1;
 222                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 223                         memset(rte_eth_dev_shared_data->data, 0,
 224                                sizeof(rte_eth_dev_shared_data->data));
 225                 }
 226         }
 227
 228         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 229 }
 230
 231 static bool
 232 is_allocated(const struct rte_eth_dev *ethdev)
 233 {
 234         return ethdev->data->name[0] != '\0';
 235 }
 236
 237 static struct rte_eth_dev *
 238 _rte_eth_dev_allocated(const char *name)
 239 {
 240         unsigned i;
 241
 242         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 243                 if (rte_eth_devices[i].data != NULL &&
 244                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 245                         return &rte_eth_devices[i];
 246         }
 247         return NULL;
 248 }
 249
 250 struct rte_eth_dev *
 251 rte_eth_dev_allocated(const char *name)
 252 {
 253         struct rte_eth_dev *ethdev;
 254
 255         rte_eth_dev_shared_data_prepare();
 256
 257         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 258
 259         ethdev = _rte_eth_dev_allocated(name);
 260
 261         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 262
 263         return ethdev;
 264 }
 265
 266 static uint16_t
 267 rte_eth_dev_find_free_port(void)
 268 {
 269         unsigned i;
 270
 271         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 272                 /* Using shared name field to find a free port. */
 273                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 274                         RTE_ASSERT(rte_eth_devices[i].state ==
 275                                    RTE_ETH_DEV_UNUSED);
 276                         return i;
 277                 }
 278         }
 279         return RTE_MAX_ETHPORTS;
 280 }
 281
 282 static struct rte_eth_dev *
 283 eth_dev_get(uint16_t port_id)
 284 {
 285         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 286
 287         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 288
 289         eth_dev_last_created_port = port_id;
 290
 291         return eth_dev;
 292 }
 293
 294 struct rte_eth_dev *
 295 rte_eth_dev_allocate(const char *name)
 296 {
 297         uint16_t port_id;
 298         struct rte_eth_dev *eth_dev = NULL;
 299
 300         rte_eth_dev_shared_data_prepare();
 301
 302         /* Synchronize port creation between primary and secondary threads. */
 303         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 304
 305         if (_rte_eth_dev_allocated(name) != NULL) {
 306                 ethdev_log(ERR, "Ethernet device with name %s already allocated",
 307                                 name);
 308                 goto unlock;
 309         }
 310
 311         port_id = rte_eth_dev_find_free_port();
 312         if (port_id == RTE_MAX_ETHPORTS) {
 313                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 314                 goto unlock;
 315         }
 316
 317         eth_dev = eth_dev_get(port_id);
 318         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 319         eth_dev->data->port_id = port_id;
 320         eth_dev->data->mtu = ETHER_MTU;
 321
 322 unlock:
 323         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 324
 325         return eth_dev;
 326 }
 327
 328 /*
 329  * Attach to a port already registered by the primary process, which
 330  * makes sure that the same device would have the same port id both
 331  * in the primary and secondary process.
 332  */
 333 struct rte_eth_dev *
 334 rte_eth_dev_attach_secondary(const char *name)
 335 {
 336         uint16_t i;
 337         struct rte_eth_dev *eth_dev = NULL;
 338
 339         rte_eth_dev_shared_data_prepare();
 340
 341         /* Synchronize port attachment to primary port creation and release. */
 342         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 343
 344         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 345                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 346                         break;
 347         }
 348         if (i == RTE_MAX_ETHPORTS) {
 349                 RTE_PMD_DEBUG_TRACE(
 350                         "device %s is not driven by the primary process\n",
 351                         name);
 352         } else {
 353                 eth_dev = eth_dev_get(i);
 354                 RTE_ASSERT(eth_dev->data->port_id == i);
 355         }
 356
 357         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 358         return eth_dev;
 359 }
 360
 361 int
 362 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 363 {
 364         if (eth_dev == NULL)
 365                 return -EINVAL;
 366
 367         rte_eth_dev_shared_data_prepare();
 368
 369         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 370
 371         eth_dev->state = RTE_ETH_DEV_UNUSED;
 372
 373         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 374
 375         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 376
 377         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 378
 379         return 0;
 380 }
 381
 382 int
 383 rte_eth_dev_is_valid_port(uint16_t port_id)
 384 {
 385         if (port_id >= RTE_MAX_ETHPORTS ||
 386             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 387                 return 0;
 388         else
 389                 return 1;
 390 }
 391
 392 static int
 393 rte_eth_is_valid_owner_id(uint64_t owner_id)
 394 {
 395         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 396             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 397                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016"PRIX64".\n", owner_id);
 398                 return 0;
 399         }
 400         return 1;
 401 }
 402
 403 uint64_t
 404 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 405 {
 406         while (port_id < RTE_MAX_ETHPORTS &&
 407                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 408                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 409                rte_eth_devices[port_id].data->owner.id != owner_id))
 410                 port_id++;
 411
 412         if (port_id >= RTE_MAX_ETHPORTS)
 413                 return RTE_MAX_ETHPORTS;
 414
 415         return port_id;
 416 }
 417
 418 int __rte_experimental
 419 rte_eth_dev_owner_new(uint64_t *owner_id)
 420 {
 421         rte_eth_dev_shared_data_prepare();
 422
 423         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 424
 425         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 426
 427         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 428         return 0;
 429 }
 430
 431 static int
 432 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 433                        const struct rte_eth_dev_owner *new_owner)
 434 {
 435         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 436         struct rte_eth_dev_owner *port_owner;
 437         int sret;
 438
 439         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 440                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 441                 return -ENODEV;
 442         }
 443
 444         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 445             !rte_eth_is_valid_owner_id(old_owner_id))
 446                 return -EINVAL;
 447
 448         port_owner = &rte_eth_devices[port_id].data->owner;
 449         if (port_owner->id != old_owner_id) {
 450                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 451                                     " by %s_%016"PRIX64".\n", port_id,
 452                                     port_owner->name, port_owner->id);
 453                 return -EPERM;
 454         }
 455
 456         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 457                         new_owner->name);
 458         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 459                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 460                                     port_id);
 461
 462         port_owner->id = new_owner->id;
 463
 464         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016"PRIX64".\n", port_id,
 465                             new_owner->name, new_owner->id);
 466
 467         return 0;
 468 }
 469
 470 int __rte_experimental
 471 rte_eth_dev_owner_set(const uint16_t port_id,
 472                       const struct rte_eth_dev_owner *owner)
 473 {
 474         int ret;
 475
 476         rte_eth_dev_shared_data_prepare();
 477
 478         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 479
 480         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 481
 482         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 483         return ret;
 484 }
 485
 486 int __rte_experimental
 487 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 488 {
 489         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 490                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 491         int ret;
 492
 493         rte_eth_dev_shared_data_prepare();
 494
 495         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 496
 497         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 498
 499         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 500         return ret;
 501 }
 502
 503 void __rte_experimental
 504 rte_eth_dev_owner_delete(const uint64_t owner_id)
 505 {
 506         uint16_t port_id;
 507
 508         rte_eth_dev_shared_data_prepare();
 509
 510         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 511
 512         if (rte_eth_is_valid_owner_id(owner_id)) {
 513                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 514                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 515                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 516                                        sizeof(struct rte_eth_dev_owner));
 517                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64
 518                                 " identifier have removed.\n", owner_id);
 519         }
 520
 521         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 522 }
 523
 524 int __rte_experimental
 525 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 526 {
 527         int ret = 0;
 528         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 529
 530         rte_eth_dev_shared_data_prepare();
 531
 532         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 533
 534         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 535                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 536                 ret = -ENODEV;
 537         } else {
 538                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 539         }
 540
 541         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 542         return ret;
 543 }
 544
 545 int
 546 rte_eth_dev_socket_id(uint16_t port_id)
 547 {
 548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 549         return rte_eth_devices[port_id].data->numa_node;
 550 }
 551
 552 void *
 553 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 554 {
 555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 556         return rte_eth_devices[port_id].security_ctx;
 557 }
 558
 559 uint16_t
 560 rte_eth_dev_count(void)
 561 {
 562         return rte_eth_dev_count_avail();
 563 }
 564
 565 uint16_t
 566 rte_eth_dev_count_avail(void)
 567 {
 568         uint16_t p;
 569         uint16_t count;
 570
 571         count = 0;
 572
 573         RTE_ETH_FOREACH_DEV(p)
 574                 count++;
 575
 576         return count;
 577 }
 578
 579 uint16_t __rte_experimental
 580 rte_eth_dev_count_total(void)
 581 {
 582         uint16_t port, count = 0;
 583
 584         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 585                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 586                         count++;
 587
 588         return count;
 589 }
 590
 591 int
 592 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 593 {
 594         char *tmp;
 595
 596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 597
 598         if (name == NULL) {
 599                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 600                 return -EINVAL;
 601         }
 602
 603         /* shouldn't check 'rte_eth_devices[i].data',
 604          * because it might be overwritten by VDEV PMD */
 605         tmp = rte_eth_dev_shared_data->data[port_id].name;
 606         strcpy(name, tmp);
 607         return 0;
 608 }
 609
 610 int
 611 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 612 {
 613         uint32_t pid;
 614
 615         if (name == NULL) {
 616                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 617                 return -EINVAL;
 618         }
 619
 620         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 621                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 622                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 623                         *port_id = pid;
 624                         return 0;
 625                 }
 626         }
 627
 628         return -ENODEV;
 629 }
 630
 631 static int
 632 eth_err(uint16_t port_id, int ret)
 633 {
 634         if (ret == 0)
 635                 return 0;
 636         if (rte_eth_dev_is_removed(port_id))
 637                 return -EIO;
 638         return ret;
 639 }
 640
 641 /* attach the new device, then store port_id of the device */
 642 int
 643 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 644 {
 645         int current = rte_eth_dev_count_total();
 646         struct rte_devargs da;
 647         int ret = -1;
 648
 649         memset(&da, 0, sizeof(da));
 650
 651         if ((devargs == NULL) || (port_id == NULL)) {
 652                 ret = -EINVAL;
 653                 goto err;
 654         }
 655
 656         /* parse devargs */
 657         if (rte_devargs_parse(&da, "%s", devargs))
 658                 goto err;
 659
 660         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 661         if (ret < 0)
 662                 goto err;
 663
 664         /* no point looking at the port count if no port exists */
 665         if (!rte_eth_dev_count_total()) {
 666                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 667                 ret = -1;
 668                 goto err;
 669         }
 670
 671         /* if nothing happened, there is a bug here, since some driver told us
 672          * it did attach a device, but did not create a port.
 673          * FIXME: race condition in case of plug-out of another device
 674          */
 675         if (current == rte_eth_dev_count_total()) {
 676                 ret = -1;
 677                 goto err;
 678         }
 679
 680         *port_id = eth_dev_last_created_port;
 681         ret = 0;
 682
 683 err:
 684         free(da.args);
 685         return ret;
 686 }
 687
 688 /* detach the device, then store the name of the device */
 689 int
 690 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 691 {
 692         struct rte_device *dev;
 693         struct rte_bus *bus;
 694         uint32_t dev_flags;
 695         int ret = -1;
 696
 697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 698
 699         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 700         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 701                 ethdev_log(ERR,
 702                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 703                 return -ENOTSUP;
 704         }
 705
 706         dev = rte_eth_devices[port_id].device;
 707         if (dev == NULL)
 708                 return -EINVAL;
 709
 710         bus = rte_bus_find_by_device(dev);
 711         if (bus == NULL)
 712                 return -ENOENT;
 713
 714         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 715         if (ret < 0)
 716                 return ret;
 717
 718         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 719         return 0;
 720 }
 721
 722 static int
 723 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 724 {
 725         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 726         void **rxq;
 727         unsigned i;
 728
 729         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 730                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 731                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 732                                 RTE_CACHE_LINE_SIZE);
 733                 if (dev->data->rx_queues == NULL) {
 734                         dev->data->nb_rx_queues = 0;
 735                         return -(ENOMEM);
 736                 }
 737         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 738                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 739
 740                 rxq = dev->data->rx_queues;
 741
 742                 for (i = nb_queues; i < old_nb_queues; i++)
 743                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 744                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 745                                 RTE_CACHE_LINE_SIZE);
 746                 if (rxq == NULL)
 747                         return -(ENOMEM);
 748                 if (nb_queues > old_nb_queues) {
 749                         uint16_t new_qs = nb_queues - old_nb_queues;
 750
 751                         memset(rxq + old_nb_queues, 0,
 752                                 sizeof(rxq[0]) * new_qs);
 753                 }
 754
 755                 dev->data->rx_queues = rxq;
 756
 757         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 758                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 759
 760                 rxq = dev->data->rx_queues;
 761
 762                 for (i = nb_queues; i < old_nb_queues; i++)
 763                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 764
 765                 rte_free(dev->data->rx_queues);
 766                 dev->data->rx_queues = NULL;
 767         }
 768         dev->data->nb_rx_queues = nb_queues;
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 774 {
 775         struct rte_eth_dev *dev;
 776
 777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 778
 779         dev = &rte_eth_devices[port_id];
 780         if (!dev->data->dev_started) {
 781                 RTE_PMD_DEBUG_TRACE(
 782                     "port %d must be started before start any queue\n", port_id);
 783                 return -EINVAL;
 784         }
 785
 786         if (rx_queue_id >= dev->data->nb_rx_queues) {
 787                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 788                 return -EINVAL;
 789         }
 790
 791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 792
 793         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 794                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 795                         " already started\n",
 796                         rx_queue_id, port_id);
 797                 return 0;
 798         }
 799
 800         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 801                                                              rx_queue_id));
 802
 803 }
 804
 805 int
 806 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 807 {
 808         struct rte_eth_dev *dev;
 809
 810         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 811
 812         dev = &rte_eth_devices[port_id];
 813         if (rx_queue_id >= dev->data->nb_rx_queues) {
 814                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 815                 return -EINVAL;
 816         }
 817
 818         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 819
 820         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 821                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 822                         " already stopped\n",
 823                         rx_queue_id, port_id);
 824                 return 0;
 825         }
 826
 827         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 828
 829 }
 830
 831 int
 832 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 833 {
 834         struct rte_eth_dev *dev;
 835
 836         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 837
 838         dev = &rte_eth_devices[port_id];
 839         if (!dev->data->dev_started) {
 840                 RTE_PMD_DEBUG_TRACE(
 841                     "port %d must be started before start any queue\n", port_id);
 842                 return -EINVAL;
 843         }
 844
 845         if (tx_queue_id >= dev->data->nb_tx_queues) {
 846                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 847                 return -EINVAL;
 848         }
 849
 850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 851
 852         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 853                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 854                         " already started\n",
 855                         tx_queue_id, port_id);
 856                 return 0;
 857         }
 858
 859         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 860                                                              tx_queue_id));
 861
 862 }
 863
 864 int
 865 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 866 {
 867         struct rte_eth_dev *dev;
 868
 869         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 870
 871         dev = &rte_eth_devices[port_id];
 872         if (tx_queue_id >= dev->data->nb_tx_queues) {
 873                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 874                 return -EINVAL;
 875         }
 876
 877         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 878
 879         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 880                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 881                         " already stopped\n",
 882                         tx_queue_id, port_id);
 883                 return 0;
 884         }
 885
 886         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 887
 888 }
 889
 890 static int
 891 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 892 {
 893         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 894         void **txq;
 895         unsigned i;
 896
 897         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 898                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 899                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 900                                                    RTE_CACHE_LINE_SIZE);
 901                 if (dev->data->tx_queues == NULL) {
 902                         dev->data->nb_tx_queues = 0;
 903                         return -(ENOMEM);
 904                 }
 905         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 906                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 907
 908                 txq = dev->data->tx_queues;
 909
 910                 for (i = nb_queues; i < old_nb_queues; i++)
 911                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 912                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 913                                   RTE_CACHE_LINE_SIZE);
 914                 if (txq == NULL)
 915                         return -ENOMEM;
 916                 if (nb_queues > old_nb_queues) {
 917                         uint16_t new_qs = nb_queues - old_nb_queues;
 918
 919                         memset(txq + old_nb_queues, 0,
 920                                sizeof(txq[0]) * new_qs);
 921                 }
 922
 923                 dev->data->tx_queues = txq;
 924
 925         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 926                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 927
 928                 txq = dev->data->tx_queues;
 929
 930                 for (i = nb_queues; i < old_nb_queues; i++)
 931                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 932
 933                 rte_free(dev->data->tx_queues);
 934                 dev->data->tx_queues = NULL;
 935         }
 936         dev->data->nb_tx_queues = nb_queues;
 937         return 0;
 938 }
 939
 940 uint32_t
 941 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 942 {
 943         switch (speed) {
 944         case ETH_SPEED_NUM_10M:
 945                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 946         case ETH_SPEED_NUM_100M:
 947                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 948         case ETH_SPEED_NUM_1G:
 949                 return ETH_LINK_SPEED_1G;
 950         case ETH_SPEED_NUM_2_5G:
 951                 return ETH_LINK_SPEED_2_5G;
 952         case ETH_SPEED_NUM_5G:
 953                 return ETH_LINK_SPEED_5G;
 954         case ETH_SPEED_NUM_10G:
 955                 return ETH_LINK_SPEED_10G;
 956         case ETH_SPEED_NUM_20G:
 957                 return ETH_LINK_SPEED_20G;
 958         case ETH_SPEED_NUM_25G:
 959                 return ETH_LINK_SPEED_25G;
 960         case ETH_SPEED_NUM_40G:
 961                 return ETH_LINK_SPEED_40G;
 962         case ETH_SPEED_NUM_50G:
 963                 return ETH_LINK_SPEED_50G;
 964         case ETH_SPEED_NUM_56G:
 965                 return ETH_LINK_SPEED_56G;
 966         case ETH_SPEED_NUM_100G:
 967                 return ETH_LINK_SPEED_100G;
 968         default:
 969                 return 0;
 970         }
 971 }
 972
 973 /**
 974  * A conversion function from rxmode bitfield API.
 975  */
 976 static void
 977 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 978                                     uint64_t *rx_offloads)
 979 {
 980         uint64_t offloads = 0;
 981
 982         if (rxmode->header_split == 1)
 983                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 984         if (rxmode->hw_ip_checksum == 1)
 985                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 986         if (rxmode->hw_vlan_filter == 1)
 987                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 988         if (rxmode->hw_vlan_strip == 1)
 989                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 990         if (rxmode->hw_vlan_extend == 1)
 991                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 992         if (rxmode->jumbo_frame == 1)
 993                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 994         if (rxmode->hw_strip_crc == 1)
 995                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 996         if (rxmode->enable_scatter == 1)
 997                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 998         if (rxmode->enable_lro == 1)
 999                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1000         if (rxmode->hw_timestamp == 1)
1001                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1002         if (rxmode->security == 1)
1003                 offloads |= DEV_RX_OFFLOAD_SECURITY;
1004
1005         *rx_offloads = offloads;
1006 }
1007
1008 const char * __rte_experimental
1009 rte_eth_dev_rx_offload_name(uint64_t offload)
1010 {
1011         const char *name = "UNKNOWN";
1012         unsigned int i;
1013
1014         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1015                 if (offload == rte_rx_offload_names[i].offload) {
1016                         name = rte_rx_offload_names[i].name;
1017                         break;
1018                 }
1019         }
1020
1021         return name;
1022 }
1023
1024 const char * __rte_experimental
1025 rte_eth_dev_tx_offload_name(uint64_t offload)
1026 {
1027         const char *name = "UNKNOWN";
1028         unsigned int i;
1029
1030         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1031                 if (offload == rte_tx_offload_names[i].offload) {
1032                         name = rte_tx_offload_names[i].name;
1033                         break;
1034                 }
1035         }
1036
1037         return name;
1038 }
1039
1040 int
1041 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1042                       const struct rte_eth_conf *dev_conf)
1043 {
1044         struct rte_eth_dev *dev;
1045         struct rte_eth_dev_info dev_info;
1046         struct rte_eth_conf local_conf = *dev_conf;
1047         int diag;
1048
1049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1050
1051         dev = &rte_eth_devices[port_id];
1052
1053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1054         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1055
1056         rte_eth_dev_info_get(port_id, &dev_info);
1057
1058         /* If number of queues specified by application for both Rx and Tx is
1059          * zero, use driver preferred values. This cannot be done individually
1060          * as it is valid for either Tx or Rx (but not both) to be zero.
1061          * If driver does not provide any preferred valued, fall back on
1062          * EAL defaults.
1063          */
1064         if (nb_rx_q == 0 && nb_tx_q == 0) {
1065                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1066                 if (nb_rx_q == 0)
1067                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1068                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1069                 if (nb_tx_q == 0)
1070                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1071         }
1072
1073         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1074                 RTE_PMD_DEBUG_TRACE(
1075                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1076                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1077                 return -EINVAL;
1078         }
1079
1080         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1081                 RTE_PMD_DEBUG_TRACE(
1082                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1083                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1084                 return -EINVAL;
1085         }
1086
1087         if (dev->data->dev_started) {
1088                 RTE_PMD_DEBUG_TRACE(
1089                     "port %d must be stopped to allow configuration\n", port_id);
1090                 return -EBUSY;
1091         }
1092
1093         /*
1094          * Convert between the offloads API to enable PMDs to support
1095          * only one of them.
1096          */
1097         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1098                 rte_eth_convert_rx_offload_bitfield(
1099                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1100
1101         /* Copy the dev_conf parameter into the dev structure */
1102         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1103
1104         /*
1105          * Check that the numbers of RX and TX queues are not greater
1106          * than the maximum number of RX and TX queues supported by the
1107          * configured device.
1108          */
1109         if (nb_rx_q > dev_info.max_rx_queues) {
1110                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1111                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1112                 return -EINVAL;
1113         }
1114
1115         if (nb_tx_q > dev_info.max_tx_queues) {
1116                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1117                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1118                 return -EINVAL;
1119         }
1120
1121         /* Check that the device supports requested interrupts */
1122         if ((dev_conf->intr_conf.lsc == 1) &&
1123                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1124                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1125                                         dev->device->driver->name);
1126                         return -EINVAL;
1127         }
1128         if ((dev_conf->intr_conf.rmv == 1) &&
1129             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1130                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1131                                     dev->device->driver->name);
1132                 return -EINVAL;
1133         }
1134
1135         /*
1136          * If jumbo frames are enabled, check that the maximum RX packet
1137          * length is supported by the configured device.
1138          */
1139         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1140                 if (dev_conf->rxmode.max_rx_pkt_len >
1141                     dev_info.max_rx_pktlen) {
1142                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1143                                 " > max valid value %u\n",
1144                                 port_id,
1145                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1146                                 (unsigned)dev_info.max_rx_pktlen);
1147                         return -EINVAL;
1148                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1149                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1150                                 " < min valid value %u\n",
1151                                 port_id,
1152                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1153                                 (unsigned)ETHER_MIN_LEN);
1154                         return -EINVAL;
1155                 }
1156         } else {
1157                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1158                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1159                         /* Use default value */
1160                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1161                                                         ETHER_MAX_LEN;
1162         }
1163
1164         /* Any requested offloading must be within its device capabilities */
1165         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1166              local_conf.rxmode.offloads) {
1167                 ethdev_log(ERR, "ethdev port_id=%d requested Rx offloads "
1168                                 "0x%" PRIx64 " doesn't match Rx offloads "
1169                                 "capabilities 0x%" PRIx64 " in %s()\n",
1170                                 port_id,
1171                                 local_conf.rxmode.offloads,
1172                                 dev_info.rx_offload_capa,
1173                                 __func__);
1174                 /* Will return -EINVAL in the next release */
1175         }
1176         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1177              local_conf.txmode.offloads) {
1178                 ethdev_log(ERR, "ethdev port_id=%d requested Tx offloads "
1179                                 "0x%" PRIx64 " doesn't match Tx offloads "
1180                                 "capabilities 0x%" PRIx64 " in %s()\n",
1181                                 port_id,
1182                                 local_conf.txmode.offloads,
1183                                 dev_info.tx_offload_capa,
1184                                 __func__);
1185                 /* Will return -EINVAL in the next release */
1186         }
1187
1188         /* Check that device supports requested rss hash functions. */
1189         if ((dev_info.flow_type_rss_offloads |
1190              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1191             dev_info.flow_type_rss_offloads) {
1192                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1193                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1194                                     port_id,
1195                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1196                                     dev_info.flow_type_rss_offloads);
1197         }
1198
1199         /*
1200          * Setup new number of RX/TX queues and reconfigure device.
1201          */
1202         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1203         if (diag != 0) {
1204                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1205                                 port_id, diag);
1206                 return diag;
1207         }
1208
1209         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1210         if (diag != 0) {
1211                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1212                                 port_id, diag);
1213                 rte_eth_dev_rx_queue_config(dev, 0);
1214                 return diag;
1215         }
1216
1217         diag = (*dev->dev_ops->dev_configure)(dev);
1218         if (diag != 0) {
1219                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1220                                 port_id, diag);
1221                 rte_eth_dev_rx_queue_config(dev, 0);
1222                 rte_eth_dev_tx_queue_config(dev, 0);
1223                 return eth_err(port_id, diag);
1224         }
1225
1226         /* Initialize Rx profiling if enabled at compilation time. */
1227         diag = __rte_eth_profile_rx_init(port_id, dev);
1228         if (diag != 0) {
1229                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1230                                 port_id, diag);
1231                 rte_eth_dev_rx_queue_config(dev, 0);
1232                 rte_eth_dev_tx_queue_config(dev, 0);
1233                 return eth_err(port_id, diag);
1234         }
1235
1236         return 0;
1237 }
1238
1239 void
1240 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1241 {
1242         if (dev->data->dev_started) {
1243                 RTE_PMD_DEBUG_TRACE(
1244                         "port %d must be stopped to allow reset\n",
1245                         dev->data->port_id);
1246                 return;
1247         }
1248
1249         rte_eth_dev_rx_queue_config(dev, 0);
1250         rte_eth_dev_tx_queue_config(dev, 0);
1251
1252         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1253 }
1254
1255 static void
1256 rte_eth_dev_config_restore(uint16_t port_id)
1257 {
1258         struct rte_eth_dev *dev;
1259         struct rte_eth_dev_info dev_info;
1260         struct ether_addr *addr;
1261         uint16_t i;
1262         uint32_t pool = 0;
1263         uint64_t pool_mask;
1264
1265         dev = &rte_eth_devices[port_id];
1266
1267         rte_eth_dev_info_get(port_id, &dev_info);
1268
1269         /* replay MAC address configuration including default MAC */
1270         addr = &dev->data->mac_addrs[0];
1271         if (*dev->dev_ops->mac_addr_set != NULL)
1272                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1273         else if (*dev->dev_ops->mac_addr_add != NULL)
1274                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1275
1276         if (*dev->dev_ops->mac_addr_add != NULL) {
1277                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1278                         addr = &dev->data->mac_addrs[i];
1279
1280                         /* skip zero address */
1281                         if (is_zero_ether_addr(addr))
1282                                 continue;
1283
1284                         pool = 0;
1285                         pool_mask = dev->data->mac_pool_sel[i];
1286
1287                         do {
1288                                 if (pool_mask & 1ULL)
1289                                         (*dev->dev_ops->mac_addr_add)(dev,
1290                                                 addr, i, pool);
1291                                 pool_mask >>= 1;
1292                                 pool++;
1293                         } while (pool_mask);
1294                 }
1295         }
1296
1297         /* replay promiscuous configuration */
1298         if (rte_eth_promiscuous_get(port_id) == 1)
1299                 rte_eth_promiscuous_enable(port_id);
1300         else if (rte_eth_promiscuous_get(port_id) == 0)
1301                 rte_eth_promiscuous_disable(port_id);
1302
1303         /* replay all multicast configuration */
1304         if (rte_eth_allmulticast_get(port_id) == 1)
1305                 rte_eth_allmulticast_enable(port_id);
1306         else if (rte_eth_allmulticast_get(port_id) == 0)
1307                 rte_eth_allmulticast_disable(port_id);
1308 }
1309
1310 int
1311 rte_eth_dev_start(uint16_t port_id)
1312 {
1313         struct rte_eth_dev *dev;
1314         int diag;
1315
1316         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1317
1318         dev = &rte_eth_devices[port_id];
1319
1320         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1321
1322         if (dev->data->dev_started != 0) {
1323                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1324                         " already started\n",
1325                         port_id);
1326                 return 0;
1327         }
1328
1329         diag = (*dev->dev_ops->dev_start)(dev);
1330         if (diag == 0)
1331                 dev->data->dev_started = 1;
1332         else
1333                 return eth_err(port_id, diag);
1334
1335         rte_eth_dev_config_restore(port_id);
1336
1337         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1338                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1339                 (*dev->dev_ops->link_update)(dev, 0);
1340         }
1341         return 0;
1342 }
1343
1344 void
1345 rte_eth_dev_stop(uint16_t port_id)
1346 {
1347         struct rte_eth_dev *dev;
1348
1349         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1350         dev = &rte_eth_devices[port_id];
1351
1352         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1353
1354         if (dev->data->dev_started == 0) {
1355                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1356                         " already stopped\n",
1357                         port_id);
1358                 return;
1359         }
1360
1361         dev->data->dev_started = 0;
1362         (*dev->dev_ops->dev_stop)(dev);
1363 }
1364
1365 int
1366 rte_eth_dev_set_link_up(uint16_t port_id)
1367 {
1368         struct rte_eth_dev *dev;
1369
1370         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1371
1372         dev = &rte_eth_devices[port_id];
1373
1374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1375         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1376 }
1377
1378 int
1379 rte_eth_dev_set_link_down(uint16_t port_id)
1380 {
1381         struct rte_eth_dev *dev;
1382
1383         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1384
1385         dev = &rte_eth_devices[port_id];
1386
1387         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1388         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1389 }
1390
1391 void
1392 rte_eth_dev_close(uint16_t port_id)
1393 {
1394         struct rte_eth_dev *dev;
1395
1396         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1397         dev = &rte_eth_devices[port_id];
1398
1399         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1400         dev->data->dev_started = 0;
1401         (*dev->dev_ops->dev_close)(dev);
1402
1403         dev->data->nb_rx_queues = 0;
1404         rte_free(dev->data->rx_queues);
1405         dev->data->rx_queues = NULL;
1406         dev->data->nb_tx_queues = 0;
1407         rte_free(dev->data->tx_queues);
1408         dev->data->tx_queues = NULL;
1409 }
1410
1411 int
1412 rte_eth_dev_reset(uint16_t port_id)
1413 {
1414         struct rte_eth_dev *dev;
1415         int ret;
1416
1417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1418         dev = &rte_eth_devices[port_id];
1419
1420         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1421
1422         rte_eth_dev_stop(port_id);
1423         ret = dev->dev_ops->dev_reset(dev);
1424
1425         return eth_err(port_id, ret);
1426 }
1427
1428 int __rte_experimental
1429 rte_eth_dev_is_removed(uint16_t port_id)
1430 {
1431         struct rte_eth_dev *dev;
1432         int ret;
1433
1434         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1435
1436         dev = &rte_eth_devices[port_id];
1437
1438         if (dev->state == RTE_ETH_DEV_REMOVED)
1439                 return 1;
1440
1441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1442
1443         ret = dev->dev_ops->is_removed(dev);
1444         if (ret != 0)
1445                 /* Device is physically removed. */
1446                 dev->state = RTE_ETH_DEV_REMOVED;
1447
1448         return ret;
1449 }
1450
1451 int
1452 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1453                        uint16_t nb_rx_desc, unsigned int socket_id,
1454                        const struct rte_eth_rxconf *rx_conf,
1455                        struct rte_mempool *mp)
1456 {
1457         int ret;
1458         uint32_t mbp_buf_size;
1459         struct rte_eth_dev *dev;
1460         struct rte_eth_dev_info dev_info;
1461         struct rte_eth_rxconf local_conf;
1462         void **rxq;
1463
1464         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1465
1466         dev = &rte_eth_devices[port_id];
1467         if (rx_queue_id >= dev->data->nb_rx_queues) {
1468                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1469                 return -EINVAL;
1470         }
1471
1472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1474
1475         /*
1476          * Check the size of the mbuf data buffer.
1477          * This value must be provided in the private data of the memory pool.
1478          * First check that the memory pool has a valid private data.
1479          */
1480         rte_eth_dev_info_get(port_id, &dev_info);
1481         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1482                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1483                                 mp->name, (int) mp->private_data_size,
1484                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1485                 return -ENOSPC;
1486         }
1487         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1488
1489         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1490                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1491                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1492                                 "=%d)\n",
1493                                 mp->name,
1494                                 (int)mbp_buf_size,
1495                                 (int)(RTE_PKTMBUF_HEADROOM +
1496                                       dev_info.min_rx_bufsize),
1497                                 (int)RTE_PKTMBUF_HEADROOM,
1498                                 (int)dev_info.min_rx_bufsize);
1499                 return -EINVAL;
1500         }
1501
1502         /* Use default specified by driver, if nb_rx_desc is zero */
1503         if (nb_rx_desc == 0) {
1504                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1505                 /* If driver default is also zero, fall back on EAL default */
1506                 if (nb_rx_desc == 0)
1507                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1508         }
1509
1510         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1511                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1512                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1513
1514                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1515                         "should be: <= %hu, = %hu, and a product of %hu\n",
1516                         nb_rx_desc,
1517                         dev_info.rx_desc_lim.nb_max,
1518                         dev_info.rx_desc_lim.nb_min,
1519                         dev_info.rx_desc_lim.nb_align);
1520                 return -EINVAL;
1521         }
1522
1523         if (dev->data->dev_started &&
1524                 !(dev_info.dev_capa &
1525                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1526                 return -EBUSY;
1527
1528         if (dev->data->rx_queue_state[rx_queue_id] !=
1529                 RTE_ETH_QUEUE_STATE_STOPPED)
1530                 return -EBUSY;
1531
1532         rxq = dev->data->rx_queues;
1533         if (rxq[rx_queue_id]) {
1534                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1535                                         -ENOTSUP);
1536                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1537                 rxq[rx_queue_id] = NULL;
1538         }
1539
1540         if (rx_conf == NULL)
1541                 rx_conf = &dev_info.default_rxconf;
1542
1543         local_conf = *rx_conf;
1544         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1545                 /**
1546                  * Reflect port offloads to queue offloads in order for
1547                  * offloads to not be discarded.
1548                  */
1549                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1550                                                     &local_conf.offloads);
1551         }
1552
1553         /*
1554          * If an offloading has already been enabled in
1555          * rte_eth_dev_configure(), it has been enabled on all queues,
1556          * so there is no need to enable it in this queue again.
1557          * The local_conf.offloads input to underlying PMD only carries
1558          * those offloadings which are only enabled on this queue and
1559          * not enabled on all queues.
1560          */
1561         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1562
1563         /*
1564          * New added offloadings for this queue are those not enabled in
1565          * rte_eth_dev_configure() and they must be per-queue type.
1566          * A pure per-port offloading can't be enabled on a queue while
1567          * disabled on another queue. A pure per-port offloading can't
1568          * be enabled for any queue as new added one if it hasn't been
1569          * enabled in rte_eth_dev_configure().
1570          */
1571         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1572              local_conf.offloads) {
1573                 ethdev_log(ERR, "Ethdev port_id=%d rx_queue_id=%d, new "
1574                                 "added offloads 0x%" PRIx64 " must be "
1575                                 "within pre-queue offload capabilities 0x%"
1576                                 PRIx64 " in %s()\n",
1577                                 port_id,
1578                                 rx_queue_id,
1579                                 local_conf.offloads,
1580                                 dev_info.rx_queue_offload_capa,
1581                                 __func__);
1582                 /* Will return -EINVAL in the next release */
1583         }
1584
1585         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1586                                               socket_id, &local_conf, mp);
1587         if (!ret) {
1588                 if (!dev->data->min_rx_buf_size ||
1589                     dev->data->min_rx_buf_size > mbp_buf_size)
1590                         dev->data->min_rx_buf_size = mbp_buf_size;
1591         }
1592
1593         return eth_err(port_id, ret);
1594 }
1595
1596 /**
1597  * Convert from tx offloads to txq_flags.
1598  */
1599 static void
1600 rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t *txq_flags)
1601 {
1602         uint32_t flags = 0;
1603
1604         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1605                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1606         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1607                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1608         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1609                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1610         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1611                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1612         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1613                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1614         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1615                 flags |= ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP;
1616
1617         *txq_flags = flags;
1618 }
1619
1620 /**
1621  * A conversion function from txq_flags API.
1622  */
1623 static void
1624 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1625 {
1626         uint64_t offloads = 0;
1627
1628         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1629                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1630         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1631                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1632         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1633                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1634         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1635                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1636         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1637                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1638         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1639             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1640                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1641
1642         *tx_offloads = offloads;
1643 }
1644
1645 int
1646 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1647                        uint16_t nb_tx_desc, unsigned int socket_id,
1648                        const struct rte_eth_txconf *tx_conf)
1649 {
1650         struct rte_eth_dev *dev;
1651         struct rte_eth_dev_info dev_info;
1652         struct rte_eth_txconf local_conf;
1653         void **txq;
1654
1655         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1656
1657         dev = &rte_eth_devices[port_id];
1658         if (tx_queue_id >= dev->data->nb_tx_queues) {
1659                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1660                 return -EINVAL;
1661         }
1662
1663         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1664         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1665
1666         rte_eth_dev_info_get(port_id, &dev_info);
1667
1668         /* Use default specified by driver, if nb_tx_desc is zero */
1669         if (nb_tx_desc == 0) {
1670                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1671                 /* If driver default is zero, fall back on EAL default */
1672                 if (nb_tx_desc == 0)
1673                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1674         }
1675         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1676             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1677             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1678                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1679                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1680                                 nb_tx_desc,
1681                                 dev_info.tx_desc_lim.nb_max,
1682                                 dev_info.tx_desc_lim.nb_min,
1683                                 dev_info.tx_desc_lim.nb_align);
1684                 return -EINVAL;
1685         }
1686
1687         if (dev->data->dev_started &&
1688                 !(dev_info.dev_capa &
1689                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1690                 return -EBUSY;
1691
1692         if (dev->data->tx_queue_state[tx_queue_id] !=
1693                 RTE_ETH_QUEUE_STATE_STOPPED)
1694                 return -EBUSY;
1695
1696         txq = dev->data->tx_queues;
1697         if (txq[tx_queue_id]) {
1698                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1699                                         -ENOTSUP);
1700                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1701                 txq[tx_queue_id] = NULL;
1702         }
1703
1704         if (tx_conf == NULL)
1705                 tx_conf = &dev_info.default_txconf;
1706
1707         /*
1708          * Convert between the offloads API to enable PMDs to support
1709          * only one of them.
1710          */
1711         local_conf = *tx_conf;
1712         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1713                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1714                                           &local_conf.offloads);
1715         }
1716
1717         /*
1718          * If an offloading has already been enabled in
1719          * rte_eth_dev_configure(), it has been enabled on all queues,
1720          * so there is no need to enable it in this queue again.
1721          * The local_conf.offloads input to underlying PMD only carries
1722          * those offloadings which are only enabled on this queue and
1723          * not enabled on all queues.
1724          */
1725         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1726
1727         /*
1728          * New added offloadings for this queue are those not enabled in
1729          * rte_eth_dev_configure() and they must be per-queue type.
1730          * A pure per-port offloading can't be enabled on a queue while
1731          * disabled on another queue. A pure per-port offloading can't
1732          * be enabled for any queue as new added one if it hasn't been
1733          * enabled in rte_eth_dev_configure().
1734          */
1735         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1736              local_conf.offloads) {
1737                 ethdev_log(ERR, "Ethdev port_id=%d tx_queue_id=%d, new "
1738                                 "added offloads 0x%" PRIx64 " must be "
1739                                 "within pre-queue offload capabilities 0x%"
1740                                 PRIx64 " in %s()\n",
1741                                 port_id,
1742                                 tx_queue_id,
1743                                 local_conf.offloads,
1744                                 dev_info.tx_queue_offload_capa,
1745                                 __func__);
1746                 /* Will return -EINVAL in the next release */
1747         }
1748
1749         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1750                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1751 }
1752
1753 void
1754 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1755                 void *userdata __rte_unused)
1756 {
1757         unsigned i;
1758
1759         for (i = 0; i < unsent; i++)
1760                 rte_pktmbuf_free(pkts[i]);
1761 }
1762
1763 void
1764 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1765                 void *userdata)
1766 {
1767         uint64_t *count = userdata;
1768         unsigned i;
1769
1770         for (i = 0; i < unsent; i++)
1771                 rte_pktmbuf_free(pkts[i]);
1772
1773         *count += unsent;
1774 }
1775
1776 int
1777 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1778                 buffer_tx_error_fn cbfn, void *userdata)
1779 {
1780         buffer->error_callback = cbfn;
1781         buffer->error_userdata = userdata;
1782         return 0;
1783 }
1784
1785 int
1786 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1787 {
1788         int ret = 0;
1789
1790         if (buffer == NULL)
1791                 return -EINVAL;
1792
1793         buffer->size = size;
1794         if (buffer->error_callback == NULL) {
1795                 ret = rte_eth_tx_buffer_set_err_callback(
1796                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1797         }
1798
1799         return ret;
1800 }
1801
1802 int
1803 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1804 {
1805         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1806         int ret;
1807
1808         /* Validate Input Data. Bail if not valid or not supported. */
1809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1810         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1811
1812         /* Call driver to free pending mbufs. */
1813         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1814                                                free_cnt);
1815         return eth_err(port_id, ret);
1816 }
1817
1818 void
1819 rte_eth_promiscuous_enable(uint16_t port_id)
1820 {
1821         struct rte_eth_dev *dev;
1822
1823         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1824         dev = &rte_eth_devices[port_id];
1825
1826         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1827         (*dev->dev_ops->promiscuous_enable)(dev);
1828         dev->data->promiscuous = 1;
1829 }
1830
1831 void
1832 rte_eth_promiscuous_disable(uint16_t port_id)
1833 {
1834         struct rte_eth_dev *dev;
1835
1836         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1837         dev = &rte_eth_devices[port_id];
1838
1839         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1840         dev->data->promiscuous = 0;
1841         (*dev->dev_ops->promiscuous_disable)(dev);
1842 }
1843
1844 int
1845 rte_eth_promiscuous_get(uint16_t port_id)
1846 {
1847         struct rte_eth_dev *dev;
1848
1849         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1850
1851         dev = &rte_eth_devices[port_id];
1852         return dev->data->promiscuous;
1853 }
1854
1855 void
1856 rte_eth_allmulticast_enable(uint16_t port_id)
1857 {
1858         struct rte_eth_dev *dev;
1859
1860         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1861         dev = &rte_eth_devices[port_id];
1862
1863         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1864         (*dev->dev_ops->allmulticast_enable)(dev);
1865         dev->data->all_multicast = 1;
1866 }
1867
1868 void
1869 rte_eth_allmulticast_disable(uint16_t port_id)
1870 {
1871         struct rte_eth_dev *dev;
1872
1873         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1874         dev = &rte_eth_devices[port_id];
1875
1876         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1877         dev->data->all_multicast = 0;
1878         (*dev->dev_ops->allmulticast_disable)(dev);
1879 }
1880
1881 int
1882 rte_eth_allmulticast_get(uint16_t port_id)
1883 {
1884         struct rte_eth_dev *dev;
1885
1886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1887
1888         dev = &rte_eth_devices[port_id];
1889         return dev->data->all_multicast;
1890 }
1891
1892 void
1893 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1894 {
1895         struct rte_eth_dev *dev;
1896
1897         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1898         dev = &rte_eth_devices[port_id];
1899
1900         if (dev->data->dev_conf.intr_conf.lsc &&
1901             dev->data->dev_started)
1902                 rte_eth_linkstatus_get(dev, eth_link);
1903         else {
1904                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1905                 (*dev->dev_ops->link_update)(dev, 1);
1906                 *eth_link = dev->data->dev_link;
1907         }
1908 }
1909
1910 void
1911 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1912 {
1913         struct rte_eth_dev *dev;
1914
1915         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1916         dev = &rte_eth_devices[port_id];
1917
1918         if (dev->data->dev_conf.intr_conf.lsc &&
1919             dev->data->dev_started)
1920                 rte_eth_linkstatus_get(dev, eth_link);
1921         else {
1922                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1923                 (*dev->dev_ops->link_update)(dev, 0);
1924                 *eth_link = dev->data->dev_link;
1925         }
1926 }
1927
1928 int
1929 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1930 {
1931         struct rte_eth_dev *dev;
1932
1933         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1934
1935         dev = &rte_eth_devices[port_id];
1936         memset(stats, 0, sizeof(*stats));
1937
1938         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1939         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1940         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1941 }
1942
1943 int
1944 rte_eth_stats_reset(uint16_t port_id)
1945 {
1946         struct rte_eth_dev *dev;
1947
1948         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1949         dev = &rte_eth_devices[port_id];
1950
1951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1952         (*dev->dev_ops->stats_reset)(dev);
1953         dev->data->rx_mbuf_alloc_failed = 0;
1954
1955         return 0;
1956 }
1957
1958 static inline int
1959 get_xstats_basic_count(struct rte_eth_dev *dev)
1960 {
1961         uint16_t nb_rxqs, nb_txqs;
1962         int count;
1963
1964         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1965         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1966
1967         count = RTE_NB_STATS;
1968         count += nb_rxqs * RTE_NB_RXQ_STATS;
1969         count += nb_txqs * RTE_NB_TXQ_STATS;
1970
1971         return count;
1972 }
1973
1974 static int
1975 get_xstats_count(uint16_t port_id)
1976 {
1977         struct rte_eth_dev *dev;
1978         int count;
1979
1980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1981         dev = &rte_eth_devices[port_id];
1982         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1983                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1984                                 NULL, 0);
1985                 if (count < 0)
1986                         return eth_err(port_id, count);
1987         }
1988         if (dev->dev_ops->xstats_get_names != NULL) {
1989                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1990                 if (count < 0)
1991                         return eth_err(port_id, count);
1992         } else
1993                 count = 0;
1994
1995
1996         count += get_xstats_basic_count(dev);
1997
1998         return count;
1999 }
2000
2001 int
2002 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2003                 uint64_t *id)
2004 {
2005         int cnt_xstats, idx_xstat;
2006
2007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2008
2009         if (!id) {
2010                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
2011                 return -ENOMEM;
2012         }
2013
2014         if (!xstat_name) {
2015                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
2016                 return -ENOMEM;
2017         }
2018
2019         /* Get count */
2020         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2021         if (cnt_xstats  < 0) {
2022                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
2023                 return -ENODEV;
2024         }
2025
2026         /* Get id-name lookup table */
2027         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2028
2029         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2030                         port_id, xstats_names, cnt_xstats, NULL)) {
2031                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
2032                 return -1;
2033         }
2034
2035         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2036                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2037                         *id = idx_xstat;
2038                         return 0;
2039                 };
2040         }
2041
2042         return -EINVAL;
2043 }
2044
2045 /* retrieve basic stats names */
2046 static int
2047 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2048         struct rte_eth_xstat_name *xstats_names)
2049 {
2050         int cnt_used_entries = 0;
2051         uint32_t idx, id_queue;
2052         uint16_t num_q;
2053
2054         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2055                 snprintf(xstats_names[cnt_used_entries].name,
2056                         sizeof(xstats_names[0].name),
2057                         "%s", rte_stats_strings[idx].name);
2058                 cnt_used_entries++;
2059         }
2060         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2061         for (id_queue = 0; id_queue < num_q; id_queue++) {
2062                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2063                         snprintf(xstats_names[cnt_used_entries].name,
2064                                 sizeof(xstats_names[0].name),
2065                                 "rx_q%u%s",
2066                                 id_queue, rte_rxq_stats_strings[idx].name);
2067                         cnt_used_entries++;
2068                 }
2069
2070         }
2071         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2072         for (id_queue = 0; id_queue < num_q; id_queue++) {
2073                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2074                         snprintf(xstats_names[cnt_used_entries].name,
2075                                 sizeof(xstats_names[0].name),
2076                                 "tx_q%u%s",
2077                                 id_queue, rte_txq_stats_strings[idx].name);
2078                         cnt_used_entries++;
2079                 }
2080         }
2081         return cnt_used_entries;
2082 }
2083
2084 /* retrieve ethdev extended statistics names */
2085 int
2086 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2087         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2088         uint64_t *ids)
2089 {
2090         struct rte_eth_xstat_name *xstats_names_copy;
2091         unsigned int no_basic_stat_requested = 1;
2092         unsigned int no_ext_stat_requested = 1;
2093         unsigned int expected_entries;
2094         unsigned int basic_count;
2095         struct rte_eth_dev *dev;
2096         unsigned int i;
2097         int ret;
2098
2099         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2100         dev = &rte_eth_devices[port_id];
2101
2102         basic_count = get_xstats_basic_count(dev);
2103         ret = get_xstats_count(port_id);
2104         if (ret < 0)
2105                 return ret;
2106         expected_entries = (unsigned int)ret;
2107
2108         /* Return max number of stats if no ids given */
2109         if (!ids) {
2110                 if (!xstats_names)
2111                         return expected_entries;
2112                 else if (xstats_names && size < expected_entries)
2113                         return expected_entries;
2114         }
2115
2116         if (ids && !xstats_names)
2117                 return -EINVAL;
2118
2119         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2120                 uint64_t ids_copy[size];
2121
2122                 for (i = 0; i < size; i++) {
2123                         if (ids[i] < basic_count) {
2124                                 no_basic_stat_requested = 0;
2125                                 break;
2126                         }
2127
2128                         /*
2129                          * Convert ids to xstats ids that PMD knows.
2130                          * ids known by user are basic + extended stats.
2131                          */
2132                         ids_copy[i] = ids[i] - basic_count;
2133                 }
2134
2135                 if (no_basic_stat_requested)
2136                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2137                                         xstats_names, ids_copy, size);
2138         }
2139
2140         /* Retrieve all stats */
2141         if (!ids) {
2142                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2143                                 expected_entries);
2144                 if (num_stats < 0 || num_stats > (int)expected_entries)
2145                         return num_stats;
2146                 else
2147                         return expected_entries;
2148         }
2149
2150         xstats_names_copy = calloc(expected_entries,
2151                 sizeof(struct rte_eth_xstat_name));
2152
2153         if (!xstats_names_copy) {
2154                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2155                 return -ENOMEM;
2156         }
2157
2158         if (ids) {
2159                 for (i = 0; i < size; i++) {
2160                         if (ids[i] >= basic_count) {
2161                                 no_ext_stat_requested = 0;
2162                                 break;
2163                         }
2164                 }
2165         }
2166
2167         /* Fill xstats_names_copy structure */
2168         if (ids && no_ext_stat_requested) {
2169                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2170         } else {
2171                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2172                         expected_entries);
2173                 if (ret < 0) {
2174                         free(xstats_names_copy);
2175                         return ret;
2176                 }
2177         }
2178
2179         /* Filter stats */
2180         for (i = 0; i < size; i++) {
2181                 if (ids[i] >= expected_entries) {
2182                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2183                         free(xstats_names_copy);
2184                         return -1;
2185                 }
2186                 xstats_names[i] = xstats_names_copy[ids[i]];
2187         }
2188
2189         free(xstats_names_copy);
2190         return size;
2191 }
2192
2193 int
2194 rte_eth_xstats_get_names(uint16_t port_id,
2195         struct rte_eth_xstat_name *xstats_names,
2196         unsigned int size)
2197 {
2198         struct rte_eth_dev *dev;
2199         int cnt_used_entries;
2200         int cnt_expected_entries;
2201         int cnt_driver_entries;
2202
2203         cnt_expected_entries = get_xstats_count(port_id);
2204         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2205                         (int)size < cnt_expected_entries)
2206                 return cnt_expected_entries;
2207
2208         /* port_id checked in get_xstats_count() */
2209         dev = &rte_eth_devices[port_id];
2210
2211         cnt_used_entries = rte_eth_basic_stats_get_names(
2212                 dev, xstats_names);
2213
2214         if (dev->dev_ops->xstats_get_names != NULL) {
2215                 /* If there are any driver-specific xstats, append them
2216                  * to end of list.
2217                  */
2218                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2219                         dev,
2220                         xstats_names + cnt_used_entries,
2221                         size - cnt_used_entries);
2222                 if (cnt_driver_entries < 0)
2223                         return eth_err(port_id, cnt_driver_entries);
2224                 cnt_used_entries += cnt_driver_entries;
2225         }
2226
2227         return cnt_used_entries;
2228 }
2229
2230
2231 static int
2232 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2233 {
2234         struct rte_eth_dev *dev;
2235         struct rte_eth_stats eth_stats;
2236         unsigned int count = 0, i, q;
2237         uint64_t val, *stats_ptr;
2238         uint16_t nb_rxqs, nb_txqs;
2239         int ret;
2240
2241         ret = rte_eth_stats_get(port_id, &eth_stats);
2242         if (ret < 0)
2243                 return ret;
2244
2245         dev = &rte_eth_devices[port_id];
2246
2247         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2248         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2249
2250         /* global stats */
2251         for (i = 0; i < RTE_NB_STATS; i++) {
2252                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2253                                         rte_stats_strings[i].offset);
2254                 val = *stats_ptr;
2255                 xstats[count++].value = val;
2256         }
2257
2258         /* per-rxq stats */
2259         for (q = 0; q < nb_rxqs; q++) {
2260                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2261                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2262                                         rte_rxq_stats_strings[i].offset +
2263                                         q * sizeof(uint64_t));
2264                         val = *stats_ptr;
2265                         xstats[count++].value = val;
2266                 }
2267         }
2268
2269         /* per-txq stats */
2270         for (q = 0; q < nb_txqs; q++) {
2271                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2272                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2273                                         rte_txq_stats_strings[i].offset +
2274                                         q * sizeof(uint64_t));
2275                         val = *stats_ptr;
2276                         xstats[count++].value = val;
2277                 }
2278         }
2279         return count;
2280 }
2281
2282 /* retrieve ethdev extended statistics */
2283 int
2284 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2285                          uint64_t *values, unsigned int size)
2286 {
2287         unsigned int no_basic_stat_requested = 1;
2288         unsigned int no_ext_stat_requested = 1;
2289         unsigned int num_xstats_filled;
2290         unsigned int basic_count;
2291         uint16_t expected_entries;
2292         struct rte_eth_dev *dev;
2293         unsigned int i;
2294         int ret;
2295
2296         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2297         ret = get_xstats_count(port_id);
2298         if (ret < 0)
2299                 return ret;
2300         expected_entries = (uint16_t)ret;
2301         struct rte_eth_xstat xstats[expected_entries];
2302         dev = &rte_eth_devices[port_id];
2303         basic_count = get_xstats_basic_count(dev);
2304
2305         /* Return max number of stats if no ids given */
2306         if (!ids) {
2307                 if (!values)
2308                         return expected_entries;
2309                 else if (values && size < expected_entries)
2310                         return expected_entries;
2311         }
2312
2313         if (ids && !values)
2314                 return -EINVAL;
2315
2316         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2317                 unsigned int basic_count = get_xstats_basic_count(dev);
2318                 uint64_t ids_copy[size];
2319
2320                 for (i = 0; i < size; i++) {
2321                         if (ids[i] < basic_count) {
2322                                 no_basic_stat_requested = 0;
2323                                 break;
2324                         }
2325
2326                         /*
2327                          * Convert ids to xstats ids that PMD knows.
2328                          * ids known by user are basic + extended stats.
2329                          */
2330                         ids_copy[i] = ids[i] - basic_count;
2331                 }
2332
2333                 if (no_basic_stat_requested)
2334                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2335                                         values, size);
2336         }
2337
2338         if (ids) {
2339                 for (i = 0; i < size; i++) {
2340                         if (ids[i] >= basic_count) {
2341                                 no_ext_stat_requested = 0;
2342                                 break;
2343                         }
2344                 }
2345         }
2346
2347         /* Fill the xstats structure */
2348         if (ids && no_ext_stat_requested)
2349                 ret = rte_eth_basic_stats_get(port_id, xstats);
2350         else
2351                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2352
2353         if (ret < 0)
2354                 return ret;
2355         num_xstats_filled = (unsigned int)ret;
2356
2357         /* Return all stats */
2358         if (!ids) {
2359                 for (i = 0; i < num_xstats_filled; i++)
2360                         values[i] = xstats[i].value;
2361                 return expected_entries;
2362         }
2363
2364         /* Filter stats */
2365         for (i = 0; i < size; i++) {
2366                 if (ids[i] >= expected_entries) {
2367                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2368                         return -1;
2369                 }
2370                 values[i] = xstats[ids[i]].value;
2371         }
2372         return size;
2373 }
2374
2375 int
2376 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2377         unsigned int n)
2378 {
2379         struct rte_eth_dev *dev;
2380         unsigned int count = 0, i;
2381         signed int xcount = 0;
2382         uint16_t nb_rxqs, nb_txqs;
2383         int ret;
2384
2385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2386
2387         dev = &rte_eth_devices[port_id];
2388
2389         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2390         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2391
2392         /* Return generic statistics */
2393         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2394                 (nb_txqs * RTE_NB_TXQ_STATS);
2395
2396         /* implemented by the driver */
2397         if (dev->dev_ops->xstats_get != NULL) {
2398                 /* Retrieve the xstats from the driver at the end of the
2399                  * xstats struct.
2400                  */
2401                 xcount = (*dev->dev_ops->xstats_get)(dev,
2402                                      xstats ? xstats + count : NULL,
2403                                      (n > count) ? n - count : 0);
2404
2405                 if (xcount < 0)
2406                         return eth_err(port_id, xcount);
2407         }
2408
2409         if (n < count + xcount || xstats == NULL)
2410                 return count + xcount;
2411
2412         /* now fill the xstats structure */
2413         ret = rte_eth_basic_stats_get(port_id, xstats);
2414         if (ret < 0)
2415                 return ret;
2416         count = ret;
2417
2418         for (i = 0; i < count; i++)
2419                 xstats[i].id = i;
2420         /* add an offset to driver-specific stats */
2421         for ( ; i < count + xcount; i++)
2422                 xstats[i].id += count;
2423
2424         return count + xcount;
2425 }
2426
2427 /* reset ethdev extended statistics */
2428 void
2429 rte_eth_xstats_reset(uint16_t port_id)
2430 {
2431         struct rte_eth_dev *dev;
2432
2433         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2434         dev = &rte_eth_devices[port_id];
2435
2436         /* implemented by the driver */
2437         if (dev->dev_ops->xstats_reset != NULL) {
2438                 (*dev->dev_ops->xstats_reset)(dev);
2439                 return;
2440         }
2441
2442         /* fallback to default */
2443         rte_eth_stats_reset(port_id);
2444 }
2445
2446 static int
2447 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2448                 uint8_t is_rx)
2449 {
2450         struct rte_eth_dev *dev;
2451
2452         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2453
2454         dev = &rte_eth_devices[port_id];
2455
2456         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2457         return (*dev->dev_ops->queue_stats_mapping_set)
2458                         (dev, queue_id, stat_idx, is_rx);
2459 }
2460
2461
2462 int
2463 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2464                 uint8_t stat_idx)
2465 {
2466         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2467                                                 stat_idx, STAT_QMAP_TX));
2468 }
2469
2470
2471 int
2472 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2473                 uint8_t stat_idx)
2474 {
2475         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2476                                                 stat_idx, STAT_QMAP_RX));
2477 }
2478
2479 int
2480 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2481 {
2482         struct rte_eth_dev *dev;
2483
2484         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2485         dev = &rte_eth_devices[port_id];
2486
2487         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2488         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2489                                                         fw_version, fw_size));
2490 }
2491
2492 void
2493 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2494 {
2495         struct rte_eth_dev *dev;
2496         struct rte_eth_txconf *txconf;
2497         const struct rte_eth_desc_lim lim = {
2498                 .nb_max = UINT16_MAX,
2499                 .nb_min = 0,
2500                 .nb_align = 1,
2501         };
2502
2503         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2504         dev = &rte_eth_devices[port_id];
2505
2506         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2507         dev_info->rx_desc_lim = lim;
2508         dev_info->tx_desc_lim = lim;
2509         dev_info->device = dev->device;
2510
2511         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2512         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2513         dev_info->driver_name = dev->device->driver->name;
2514         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2515         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2516
2517         dev_info->dev_flags = &dev->data->dev_flags;
2518         txconf = &dev_info->default_txconf;
2519         /* convert offload to txq_flags to support legacy app */
2520         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
2521 }
2522
2523 int
2524 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2525                                  uint32_t *ptypes, int num)
2526 {
2527         int i, j;
2528         struct rte_eth_dev *dev;
2529         const uint32_t *all_ptypes;
2530
2531         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2532         dev = &rte_eth_devices[port_id];
2533         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2534         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2535
2536         if (!all_ptypes)
2537                 return 0;
2538
2539         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2540                 if (all_ptypes[i] & ptype_mask) {
2541                         if (j < num)
2542                                 ptypes[j] = all_ptypes[i];
2543                         j++;
2544                 }
2545
2546         return j;
2547 }
2548
2549 void
2550 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2551 {
2552         struct rte_eth_dev *dev;
2553
2554         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2555         dev = &rte_eth_devices[port_id];
2556         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2557 }
2558
2559
2560 int
2561 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2562 {
2563         struct rte_eth_dev *dev;
2564
2565         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2566
2567         dev = &rte_eth_devices[port_id];
2568         *mtu = dev->data->mtu;
2569         return 0;
2570 }
2571
2572 int
2573 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2574 {
2575         int ret;
2576         struct rte_eth_dev *dev;
2577
2578         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2579         dev = &rte_eth_devices[port_id];
2580         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2581
2582         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2583         if (!ret)
2584                 dev->data->mtu = mtu;
2585
2586         return eth_err(port_id, ret);
2587 }
2588
2589 int
2590 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2591 {
2592         struct rte_eth_dev *dev;
2593         int ret;
2594
2595         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2596         dev = &rte_eth_devices[port_id];
2597         if (!(dev->data->dev_conf.rxmode.offloads &
2598               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2599                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2600                 return -ENOSYS;
2601         }
2602
2603         if (vlan_id > 4095) {
2604                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2605                                 port_id, (unsigned) vlan_id);
2606                 return -EINVAL;
2607         }
2608         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2609
2610         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2611         if (ret == 0) {
2612                 struct rte_vlan_filter_conf *vfc;
2613                 int vidx;
2614                 int vbit;
2615
2616                 vfc = &dev->data->vlan_filter_conf;
2617                 vidx = vlan_id / 64;
2618                 vbit = vlan_id % 64;
2619
2620                 if (on)
2621                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2622                 else
2623                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2624         }
2625
2626         return eth_err(port_id, ret);
2627 }
2628
2629 int
2630 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2631                                     int on)
2632 {
2633         struct rte_eth_dev *dev;
2634
2635         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2636         dev = &rte_eth_devices[port_id];
2637         if (rx_queue_id >= dev->data->nb_rx_queues) {
2638                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2639                 return -EINVAL;
2640         }
2641
2642         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2643         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2644
2645         return 0;
2646 }
2647
2648 int
2649 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2650                                 enum rte_vlan_type vlan_type,
2651                                 uint16_t tpid)
2652 {
2653         struct rte_eth_dev *dev;
2654
2655         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2656         dev = &rte_eth_devices[port_id];
2657         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2658
2659         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2660                                                                tpid));
2661 }
2662
2663 int
2664 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2665 {
2666         struct rte_eth_dev *dev;
2667         int ret = 0;
2668         int mask = 0;
2669         int cur, org = 0;
2670         uint64_t orig_offloads;
2671
2672         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2673         dev = &rte_eth_devices[port_id];
2674
2675         /* save original values in case of failure */
2676         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2677
2678         /*check which option changed by application*/
2679         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2680         org = !!(dev->data->dev_conf.rxmode.offloads &
2681                  DEV_RX_OFFLOAD_VLAN_STRIP);
2682         if (cur != org) {
2683                 if (cur)
2684                         dev->data->dev_conf.rxmode.offloads |=
2685                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2686                 else
2687                         dev->data->dev_conf.rxmode.offloads &=
2688                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2689                 mask |= ETH_VLAN_STRIP_MASK;
2690         }
2691
2692         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2693         org = !!(dev->data->dev_conf.rxmode.offloads &
2694                  DEV_RX_OFFLOAD_VLAN_FILTER);
2695         if (cur != org) {
2696                 if (cur)
2697                         dev->data->dev_conf.rxmode.offloads |=
2698                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2699                 else
2700                         dev->data->dev_conf.rxmode.offloads &=
2701                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2702                 mask |= ETH_VLAN_FILTER_MASK;
2703         }
2704
2705         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2706         org = !!(dev->data->dev_conf.rxmode.offloads &
2707                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2708         if (cur != org) {
2709                 if (cur)
2710                         dev->data->dev_conf.rxmode.offloads |=
2711                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2712                 else
2713                         dev->data->dev_conf.rxmode.offloads &=
2714                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2715                 mask |= ETH_VLAN_EXTEND_MASK;
2716         }
2717
2718         /*no change*/
2719         if (mask == 0)
2720                 return ret;
2721
2722         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2723         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2724         if (ret) {
2725                 /* hit an error restore  original values */
2726                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2727         }
2728
2729         return eth_err(port_id, ret);
2730 }
2731
2732 int
2733 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2734 {
2735         struct rte_eth_dev *dev;
2736         int ret = 0;
2737
2738         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2739         dev = &rte_eth_devices[port_id];
2740
2741         if (dev->data->dev_conf.rxmode.offloads &
2742             DEV_RX_OFFLOAD_VLAN_STRIP)
2743                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2744
2745         if (dev->data->dev_conf.rxmode.offloads &
2746             DEV_RX_OFFLOAD_VLAN_FILTER)
2747                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2748
2749         if (dev->data->dev_conf.rxmode.offloads &
2750             DEV_RX_OFFLOAD_VLAN_EXTEND)
2751                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2752
2753         return ret;
2754 }
2755
2756 int
2757 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2758 {
2759         struct rte_eth_dev *dev;
2760
2761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2762         dev = &rte_eth_devices[port_id];
2763         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2764
2765         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2766 }
2767
2768 int
2769 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2770 {
2771         struct rte_eth_dev *dev;
2772
2773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2774         dev = &rte_eth_devices[port_id];
2775         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2776         memset(fc_conf, 0, sizeof(*fc_conf));
2777         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2778 }
2779
2780 int
2781 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2782 {
2783         struct rte_eth_dev *dev;
2784
2785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2786         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2787                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2788                 return -EINVAL;
2789         }
2790
2791         dev = &rte_eth_devices[port_id];
2792         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2793         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2794 }
2795
2796 int
2797 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2798                                    struct rte_eth_pfc_conf *pfc_conf)
2799 {
2800         struct rte_eth_dev *dev;
2801
2802         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2803         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2804                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2805                 return -EINVAL;
2806         }
2807
2808         dev = &rte_eth_devices[port_id];
2809         /* High water, low water validation are device specific */
2810         if  (*dev->dev_ops->priority_flow_ctrl_set)
2811                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2812                                         (dev, pfc_conf));
2813         return -ENOTSUP;
2814 }
2815
2816 static int
2817 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2818                         uint16_t reta_size)
2819 {
2820         uint16_t i, num;
2821
2822         if (!reta_conf)
2823                 return -EINVAL;
2824
2825         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2826         for (i = 0; i < num; i++) {
2827                 if (reta_conf[i].mask)
2828                         return 0;
2829         }
2830
2831         return -EINVAL;
2832 }
2833
2834 static int
2835 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2836                          uint16_t reta_size,
2837                          uint16_t max_rxq)
2838 {
2839         uint16_t i, idx, shift;
2840
2841         if (!reta_conf)
2842                 return -EINVAL;
2843
2844         if (max_rxq == 0) {
2845                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2846                 return -EINVAL;
2847         }
2848
2849         for (i = 0; i < reta_size; i++) {
2850                 idx = i / RTE_RETA_GROUP_SIZE;
2851                 shift = i % RTE_RETA_GROUP_SIZE;
2852                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2853                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2854                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2855                                 "the maximum rxq index: %u\n", idx, shift,
2856                                 reta_conf[idx].reta[shift], max_rxq);
2857                         return -EINVAL;
2858                 }
2859         }
2860
2861         return 0;
2862 }
2863
2864 int
2865 rte_eth_dev_rss_reta_update(uint16_t port_id,
2866                             struct rte_eth_rss_reta_entry64 *reta_conf,
2867                             uint16_t reta_size)
2868 {
2869         struct rte_eth_dev *dev;
2870         int ret;
2871
2872         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2873         /* Check mask bits */
2874         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2875         if (ret < 0)
2876                 return ret;
2877
2878         dev = &rte_eth_devices[port_id];
2879
2880         /* Check entry value */
2881         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2882                                 dev->data->nb_rx_queues);
2883         if (ret < 0)
2884                 return ret;
2885
2886         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2887         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2888                                                              reta_size));
2889 }
2890
2891 int
2892 rte_eth_dev_rss_reta_query(uint16_t port_id,
2893                            struct rte_eth_rss_reta_entry64 *reta_conf,
2894                            uint16_t reta_size)
2895 {
2896         struct rte_eth_dev *dev;
2897         int ret;
2898
2899         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2900
2901         /* Check mask bits */
2902         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2903         if (ret < 0)
2904                 return ret;
2905
2906         dev = &rte_eth_devices[port_id];
2907         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2908         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2909                                                             reta_size));
2910 }
2911
2912 int
2913 rte_eth_dev_rss_hash_update(uint16_t port_id,
2914                             struct rte_eth_rss_conf *rss_conf)
2915 {
2916         struct rte_eth_dev *dev;
2917         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2918
2919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2920         dev = &rte_eth_devices[port_id];
2921         rte_eth_dev_info_get(port_id, &dev_info);
2922         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2923             dev_info.flow_type_rss_offloads) {
2924                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2925                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2926                                     port_id,
2927                                     rss_conf->rss_hf,
2928                                     dev_info.flow_type_rss_offloads);
2929         }
2930         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2931         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2932                                                                  rss_conf));
2933 }
2934
2935 int
2936 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2937                               struct rte_eth_rss_conf *rss_conf)
2938 {
2939         struct rte_eth_dev *dev;
2940
2941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2942         dev = &rte_eth_devices[port_id];
2943         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2944         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2945                                                                    rss_conf));
2946 }
2947
2948 int
2949 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2950                                 struct rte_eth_udp_tunnel *udp_tunnel)
2951 {
2952         struct rte_eth_dev *dev;
2953
2954         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2955         if (udp_tunnel == NULL) {
2956                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2957                 return -EINVAL;
2958         }
2959
2960         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2961                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2962                 return -EINVAL;
2963         }
2964
2965         dev = &rte_eth_devices[port_id];
2966         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2967         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2968                                                                 udp_tunnel));
2969 }
2970
2971 int
2972 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2973                                    struct rte_eth_udp_tunnel *udp_tunnel)
2974 {
2975         struct rte_eth_dev *dev;
2976
2977         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2978         dev = &rte_eth_devices[port_id];
2979
2980         if (udp_tunnel == NULL) {
2981                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2982                 return -EINVAL;
2983         }
2984
2985         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2986                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2987                 return -EINVAL;
2988         }
2989
2990         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2991         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2992                                                                 udp_tunnel));
2993 }
2994
2995 int
2996 rte_eth_led_on(uint16_t port_id)
2997 {
2998         struct rte_eth_dev *dev;
2999
3000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3001         dev = &rte_eth_devices[port_id];
3002         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3003         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3004 }
3005
3006 int
3007 rte_eth_led_off(uint16_t port_id)
3008 {
3009         struct rte_eth_dev *dev;
3010
3011         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3012         dev = &rte_eth_devices[port_id];
3013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3014         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3015 }
3016
3017 /*
3018  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3019  * an empty spot.
3020  */
3021 static int
3022 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3023 {
3024         struct rte_eth_dev_info dev_info;
3025         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3026         unsigned i;
3027
3028         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3029         rte_eth_dev_info_get(port_id, &dev_info);
3030
3031         for (i = 0; i < dev_info.max_mac_addrs; i++)
3032                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3033                         return i;
3034
3035         return -1;
3036 }
3037
3038 static const struct ether_addr null_mac_addr;
3039
3040 int
3041 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3042                         uint32_t pool)
3043 {
3044         struct rte_eth_dev *dev;
3045         int index;
3046         uint64_t pool_mask;
3047         int ret;
3048
3049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3050         dev = &rte_eth_devices[port_id];
3051         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3052
3053         if (is_zero_ether_addr(addr)) {
3054                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3055                         port_id);
3056                 return -EINVAL;
3057         }
3058         if (pool >= ETH_64_POOLS) {
3059                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
3060                 return -EINVAL;
3061         }
3062
3063         index = get_mac_addr_index(port_id, addr);
3064         if (index < 0) {
3065                 index = get_mac_addr_index(port_id, &null_mac_addr);
3066                 if (index < 0) {
3067                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3068                                 port_id);
3069                         return -ENOSPC;
3070                 }
3071         } else {
3072                 pool_mask = dev->data->mac_pool_sel[index];
3073
3074                 /* Check if both MAC address and pool is already there, and do nothing */
3075                 if (pool_mask & (1ULL << pool))
3076                         return 0;
3077         }
3078
3079         /* Update NIC */
3080         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3081
3082         if (ret == 0) {
3083                 /* Update address in NIC data structure */
3084                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3085
3086                 /* Update pool bitmap in NIC data structure */
3087                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3088         }
3089
3090         return eth_err(port_id, ret);
3091 }
3092
3093 int
3094 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3095 {
3096         struct rte_eth_dev *dev;
3097         int index;
3098
3099         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3100         dev = &rte_eth_devices[port_id];
3101         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3102
3103         index = get_mac_addr_index(port_id, addr);
3104         if (index == 0) {
3105                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3106                 return -EADDRINUSE;
3107         } else if (index < 0)
3108                 return 0;  /* Do nothing if address wasn't found */
3109
3110         /* Update NIC */
3111         (*dev->dev_ops->mac_addr_remove)(dev, index);
3112
3113         /* Update address in NIC data structure */
3114         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3115
3116         /* reset pool bitmap */
3117         dev->data->mac_pool_sel[index] = 0;
3118
3119         return 0;
3120 }
3121
3122 int
3123 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3124 {
3125         struct rte_eth_dev *dev;
3126         int ret;
3127
3128         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3129
3130         if (!is_valid_assigned_ether_addr(addr))
3131                 return -EINVAL;
3132
3133         dev = &rte_eth_devices[port_id];
3134         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3135
3136         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3137         if (ret < 0)
3138                 return ret;
3139
3140         /* Update default address in NIC data structure */
3141         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3142
3143         return 0;
3144 }
3145
3146
3147 /*
3148  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3149  * an empty spot.
3150  */
3151 static int
3152 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3153 {
3154         struct rte_eth_dev_info dev_info;
3155         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3156         unsigned i;
3157
3158         rte_eth_dev_info_get(port_id, &dev_info);
3159         if (!dev->data->hash_mac_addrs)
3160                 return -1;
3161
3162         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3163                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3164                         ETHER_ADDR_LEN) == 0)
3165                         return i;
3166
3167         return -1;
3168 }
3169
3170 int
3171 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3172                                 uint8_t on)
3173 {
3174         int index;
3175         int ret;
3176         struct rte_eth_dev *dev;
3177
3178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3179
3180         dev = &rte_eth_devices[port_id];
3181         if (is_zero_ether_addr(addr)) {
3182                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3183                         port_id);
3184                 return -EINVAL;
3185         }
3186
3187         index = get_hash_mac_addr_index(port_id, addr);
3188         /* Check if it's already there, and do nothing */
3189         if ((index >= 0) && on)
3190                 return 0;
3191
3192         if (index < 0) {
3193                 if (!on) {
3194                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3195                                 "set in UTA\n", port_id);
3196                         return -EINVAL;
3197                 }
3198
3199                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3200                 if (index < 0) {
3201                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3202                                         port_id);
3203                         return -ENOSPC;
3204                 }
3205         }
3206
3207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3208         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3209         if (ret == 0) {
3210                 /* Update address in NIC data structure */
3211                 if (on)
3212                         ether_addr_copy(addr,
3213                                         &dev->data->hash_mac_addrs[index]);
3214                 else
3215                         ether_addr_copy(&null_mac_addr,
3216                                         &dev->data->hash_mac_addrs[index]);
3217         }
3218
3219         return eth_err(port_id, ret);
3220 }
3221
3222 int
3223 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
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
3231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3232         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3233                                                                        on));
3234 }
3235
3236 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3237                                         uint16_t tx_rate)
3238 {
3239         struct rte_eth_dev *dev;
3240         struct rte_eth_dev_info dev_info;
3241         struct rte_eth_link link;
3242
3243         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3244
3245         dev = &rte_eth_devices[port_id];
3246         rte_eth_dev_info_get(port_id, &dev_info);
3247         link = dev->data->dev_link;
3248
3249         if (queue_idx > dev_info.max_tx_queues) {
3250                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3251                                 "invalid queue id=%d\n", port_id, queue_idx);
3252                 return -EINVAL;
3253         }
3254
3255         if (tx_rate > link.link_speed) {
3256                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3257                                 "bigger than link speed= %d\n",
3258                         tx_rate, link.link_speed);
3259                 return -EINVAL;
3260         }
3261
3262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3263         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3264                                                         queue_idx, tx_rate));
3265 }
3266
3267 int
3268 rte_eth_mirror_rule_set(uint16_t port_id,
3269                         struct rte_eth_mirror_conf *mirror_conf,
3270                         uint8_t rule_id, uint8_t on)
3271 {
3272         struct rte_eth_dev *dev;
3273
3274         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3275         if (mirror_conf->rule_type == 0) {
3276                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3277                 return -EINVAL;
3278         }
3279
3280         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3281                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3282                                 ETH_64_POOLS - 1);
3283                 return -EINVAL;
3284         }
3285
3286         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3287              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3288             (mirror_conf->pool_mask == 0)) {
3289                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3290                 return -EINVAL;
3291         }
3292
3293         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3294             mirror_conf->vlan.vlan_mask == 0) {
3295                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3296                 return -EINVAL;
3297         }
3298
3299         dev = &rte_eth_devices[port_id];
3300         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3301
3302         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3303                                                 mirror_conf, rule_id, on));
3304 }
3305
3306 int
3307 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3308 {
3309         struct rte_eth_dev *dev;
3310
3311         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3312
3313         dev = &rte_eth_devices[port_id];
3314         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3315
3316         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3317                                                                    rule_id));
3318 }
3319
3320 RTE_INIT(eth_dev_init_cb_lists)
3321 {
3322         int i;
3323
3324         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3325                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3326 }
3327
3328 int
3329 rte_eth_dev_callback_register(uint16_t port_id,
3330                         enum rte_eth_event_type event,
3331                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3332 {
3333         struct rte_eth_dev *dev;
3334         struct rte_eth_dev_callback *user_cb;
3335         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3336         uint16_t last_port;
3337
3338         if (!cb_fn)
3339                 return -EINVAL;
3340
3341         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3342                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3343                 return -EINVAL;
3344         }
3345
3346         if (port_id == RTE_ETH_ALL) {
3347                 next_port = 0;
3348                 last_port = RTE_MAX_ETHPORTS - 1;
3349         } else {
3350                 next_port = last_port = port_id;
3351         }
3352
3353         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3354
3355         do {
3356                 dev = &rte_eth_devices[next_port];
3357
3358                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3359                         if (user_cb->cb_fn == cb_fn &&
3360                                 user_cb->cb_arg == cb_arg &&
3361                                 user_cb->event == event) {
3362                                 break;
3363                         }
3364                 }
3365
3366                 /* create a new callback. */
3367                 if (user_cb == NULL) {
3368                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3369                                 sizeof(struct rte_eth_dev_callback), 0);
3370                         if (user_cb != NULL) {
3371                                 user_cb->cb_fn = cb_fn;
3372                                 user_cb->cb_arg = cb_arg;
3373                                 user_cb->event = event;
3374                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3375                                                   user_cb, next);
3376                         } else {
3377                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3378                                 rte_eth_dev_callback_unregister(port_id, event,
3379                                                                 cb_fn, cb_arg);
3380                                 return -ENOMEM;
3381                         }
3382
3383                 }
3384         } while (++next_port <= last_port);
3385
3386         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3387         return 0;
3388 }
3389
3390 int
3391 rte_eth_dev_callback_unregister(uint16_t port_id,
3392                         enum rte_eth_event_type event,
3393                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3394 {
3395         int ret;
3396         struct rte_eth_dev *dev;
3397         struct rte_eth_dev_callback *cb, *next;
3398         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3399         uint16_t last_port;
3400
3401         if (!cb_fn)
3402                 return -EINVAL;
3403
3404         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3405                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3406                 return -EINVAL;
3407         }
3408
3409         if (port_id == RTE_ETH_ALL) {
3410                 next_port = 0;
3411                 last_port = RTE_MAX_ETHPORTS - 1;
3412         } else {
3413                 next_port = last_port = port_id;
3414         }
3415
3416         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3417
3418         do {
3419                 dev = &rte_eth_devices[next_port];
3420                 ret = 0;
3421                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3422                      cb = next) {
3423
3424                         next = TAILQ_NEXT(cb, next);
3425
3426                         if (cb->cb_fn != cb_fn || cb->event != event ||
3427                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3428                                 continue;
3429
3430                         /*
3431                          * if this callback is not executing right now,
3432                          * then remove it.
3433                          */
3434                         if (cb->active == 0) {
3435                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3436                                 rte_free(cb);
3437                         } else {
3438                                 ret = -EAGAIN;
3439                         }
3440                 }
3441         } while (++next_port <= last_port);
3442
3443         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3444         return ret;
3445 }
3446
3447 int
3448 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3449         enum rte_eth_event_type event, void *ret_param)
3450 {
3451         struct rte_eth_dev_callback *cb_lst;
3452         struct rte_eth_dev_callback dev_cb;
3453         int rc = 0;
3454
3455         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3456         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3457                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3458                         continue;
3459                 dev_cb = *cb_lst;
3460                 cb_lst->active = 1;
3461                 if (ret_param != NULL)
3462                         dev_cb.ret_param = ret_param;
3463
3464                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3465                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3466                                 dev_cb.cb_arg, dev_cb.ret_param);
3467                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3468                 cb_lst->active = 0;
3469         }
3470         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3471         return rc;
3472 }
3473
3474 void
3475 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3476 {
3477         if (dev == NULL)
3478                 return;
3479
3480         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3481
3482         dev->state = RTE_ETH_DEV_ATTACHED;
3483 }
3484
3485 int
3486 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3487 {
3488         uint32_t vec;
3489         struct rte_eth_dev *dev;
3490         struct rte_intr_handle *intr_handle;
3491         uint16_t qid;
3492         int rc;
3493
3494         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3495
3496         dev = &rte_eth_devices[port_id];
3497
3498         if (!dev->intr_handle) {
3499                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3500                 return -ENOTSUP;
3501         }
3502
3503         intr_handle = dev->intr_handle;
3504         if (!intr_handle->intr_vec) {
3505                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3506                 return -EPERM;
3507         }
3508
3509         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3510                 vec = intr_handle->intr_vec[qid];
3511                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3512                 if (rc && rc != -EEXIST) {
3513                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3514                                         " op %d epfd %d vec %u\n",
3515                                         port_id, qid, op, epfd, vec);
3516                 }
3517         }
3518
3519         return 0;
3520 }
3521
3522 const struct rte_memzone *
3523 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3524                          uint16_t queue_id, size_t size, unsigned align,
3525                          int socket_id)
3526 {
3527         char z_name[RTE_MEMZONE_NAMESIZE];
3528         const struct rte_memzone *mz;
3529
3530         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3531                  dev->device->driver->name, ring_name,
3532                  dev->data->port_id, queue_id);
3533
3534         mz = rte_memzone_lookup(z_name);
3535         if (mz)
3536                 return mz;
3537
3538         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3539                         RTE_MEMZONE_IOVA_CONTIG, align);
3540 }
3541
3542 int __rte_experimental
3543 rte_eth_dev_create(struct rte_device *device, const char *name,
3544         size_t priv_data_size,
3545         ethdev_bus_specific_init ethdev_bus_specific_init,
3546         void *bus_init_params,
3547         ethdev_init_t ethdev_init, void *init_params)
3548 {
3549         struct rte_eth_dev *ethdev;
3550         int retval;
3551
3552         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3553
3554         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3555                 ethdev = rte_eth_dev_allocate(name);
3556                 if (!ethdev) {
3557                         retval = -ENODEV;
3558                         goto probe_failed;
3559                 }
3560
3561                 if (priv_data_size) {
3562                         ethdev->data->dev_private = rte_zmalloc_socket(
3563                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3564                                 device->numa_node);
3565
3566                         if (!ethdev->data->dev_private) {
3567                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3568                                 retval = -ENOMEM;
3569                                 goto probe_failed;
3570                         }
3571                 }
3572         } else {
3573                 ethdev = rte_eth_dev_attach_secondary(name);
3574                 if (!ethdev) {
3575                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3576                                 "ethdev doesn't exist");
3577                         retval = -ENODEV;
3578                         goto probe_failed;
3579                 }
3580         }
3581
3582         ethdev->device = device;
3583
3584         if (ethdev_bus_specific_init) {
3585                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3586                 if (retval) {
3587                         RTE_LOG(ERR, EAL,
3588                                 "ethdev bus specific initialisation failed");
3589                         goto probe_failed;
3590                 }
3591         }
3592
3593         retval = ethdev_init(ethdev, init_params);
3594         if (retval) {
3595                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3596                 goto probe_failed;
3597         }
3598
3599         rte_eth_dev_probing_finish(ethdev);
3600
3601         return retval;
3602 probe_failed:
3603         /* free ports private data if primary process */
3604         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3605                 rte_free(ethdev->data->dev_private);
3606
3607         rte_eth_dev_release_port(ethdev);
3608
3609         return retval;
3610 }
3611
3612 int  __rte_experimental
3613 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3614         ethdev_uninit_t ethdev_uninit)
3615 {
3616         int ret;
3617
3618         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3619         if (!ethdev)
3620                 return -ENODEV;
3621
3622         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3623         if (ethdev_uninit) {
3624                 ret = ethdev_uninit(ethdev);
3625                 if (ret)
3626                         return ret;
3627         }
3628
3629         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3630                 rte_free(ethdev->data->dev_private);
3631
3632         ethdev->data->dev_private = NULL;
3633
3634         return rte_eth_dev_release_port(ethdev);
3635 }
3636
3637 int
3638 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3639                           int epfd, int op, void *data)
3640 {
3641         uint32_t vec;
3642         struct rte_eth_dev *dev;
3643         struct rte_intr_handle *intr_handle;
3644         int rc;
3645
3646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3647
3648         dev = &rte_eth_devices[port_id];
3649         if (queue_id >= dev->data->nb_rx_queues) {
3650                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3651                 return -EINVAL;
3652         }
3653
3654         if (!dev->intr_handle) {
3655                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3656                 return -ENOTSUP;
3657         }
3658
3659         intr_handle = dev->intr_handle;
3660         if (!intr_handle->intr_vec) {
3661                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3662                 return -EPERM;
3663         }
3664
3665         vec = intr_handle->intr_vec[queue_id];
3666         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3667         if (rc && rc != -EEXIST) {
3668                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3669                                 " op %d epfd %d vec %u\n",
3670                                 port_id, queue_id, op, epfd, vec);
3671                 return rc;
3672         }
3673
3674         return 0;
3675 }
3676
3677 int
3678 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3679                            uint16_t queue_id)
3680 {
3681         struct rte_eth_dev *dev;
3682
3683         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3684
3685         dev = &rte_eth_devices[port_id];
3686
3687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3688         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3689                                                                 queue_id));
3690 }
3691
3692 int
3693 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3694                             uint16_t queue_id)
3695 {
3696         struct rte_eth_dev *dev;
3697
3698         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3699
3700         dev = &rte_eth_devices[port_id];
3701
3702         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3703         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3704                                                                 queue_id));
3705 }
3706
3707
3708 int
3709 rte_eth_dev_filter_supported(uint16_t port_id,
3710                              enum rte_filter_type filter_type)
3711 {
3712         struct rte_eth_dev *dev;
3713
3714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3715
3716         dev = &rte_eth_devices[port_id];
3717         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3718         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3719                                 RTE_ETH_FILTER_NOP, NULL);
3720 }
3721
3722 int
3723 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3724                         enum rte_filter_op filter_op, void *arg)
3725 {
3726         struct rte_eth_dev *dev;
3727
3728         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3729
3730         dev = &rte_eth_devices[port_id];
3731         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3732         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3733                                                              filter_op, arg));
3734 }
3735
3736 const struct rte_eth_rxtx_callback *
3737 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3738                 rte_rx_callback_fn fn, void *user_param)
3739 {
3740 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3741         rte_errno = ENOTSUP;
3742         return NULL;
3743 #endif
3744         /* check input parameters */
3745         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3746                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3747                 rte_errno = EINVAL;
3748                 return NULL;
3749         }
3750         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3751
3752         if (cb == NULL) {
3753                 rte_errno = ENOMEM;
3754                 return NULL;
3755         }
3756
3757         cb->fn.rx = fn;
3758         cb->param = user_param;
3759
3760         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3761         /* Add the callbacks in fifo order. */
3762         struct rte_eth_rxtx_callback *tail =
3763                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3764
3765         if (!tail) {
3766                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3767
3768         } else {
3769                 while (tail->next)
3770                         tail = tail->next;
3771                 tail->next = cb;
3772         }
3773         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3774
3775         return cb;
3776 }
3777
3778 const struct rte_eth_rxtx_callback *
3779 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3780                 rte_rx_callback_fn fn, void *user_param)
3781 {
3782 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3783         rte_errno = ENOTSUP;
3784         return NULL;
3785 #endif
3786         /* check input parameters */
3787         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3788                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3789                 rte_errno = EINVAL;
3790                 return NULL;
3791         }
3792
3793         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3794
3795         if (cb == NULL) {
3796                 rte_errno = ENOMEM;
3797                 return NULL;
3798         }
3799
3800         cb->fn.rx = fn;
3801         cb->param = user_param;
3802
3803         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3804         /* Add the callbacks at fisrt position*/
3805         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3806         rte_smp_wmb();
3807         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3808         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3809
3810         return cb;
3811 }
3812
3813 const struct rte_eth_rxtx_callback *
3814 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3815                 rte_tx_callback_fn fn, void *user_param)
3816 {
3817 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3818         rte_errno = ENOTSUP;
3819         return NULL;
3820 #endif
3821         /* check input parameters */
3822         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3823                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3824                 rte_errno = EINVAL;
3825                 return NULL;
3826         }
3827
3828         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3829
3830         if (cb == NULL) {
3831                 rte_errno = ENOMEM;
3832                 return NULL;
3833         }
3834
3835         cb->fn.tx = fn;
3836         cb->param = user_param;
3837
3838         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3839         /* Add the callbacks in fifo order. */
3840         struct rte_eth_rxtx_callback *tail =
3841                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3842
3843         if (!tail) {
3844                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3845
3846         } else {
3847                 while (tail->next)
3848                         tail = tail->next;
3849                 tail->next = cb;
3850         }
3851         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3852
3853         return cb;
3854 }
3855
3856 int
3857 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3858                 const struct rte_eth_rxtx_callback *user_cb)
3859 {
3860 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3861         return -ENOTSUP;
3862 #endif
3863         /* Check input parameters. */
3864         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3865         if (user_cb == NULL ||
3866                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3867                 return -EINVAL;
3868
3869         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3870         struct rte_eth_rxtx_callback *cb;
3871         struct rte_eth_rxtx_callback **prev_cb;
3872         int ret = -EINVAL;
3873
3874         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3875         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3876         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3877                 cb = *prev_cb;
3878                 if (cb == user_cb) {
3879                         /* Remove the user cb from the callback list. */
3880                         *prev_cb = cb->next;
3881                         ret = 0;
3882                         break;
3883                 }
3884         }
3885         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3886
3887         return ret;
3888 }
3889
3890 int
3891 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3892                 const struct rte_eth_rxtx_callback *user_cb)
3893 {
3894 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3895         return -ENOTSUP;
3896 #endif
3897         /* Check input parameters. */
3898         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3899         if (user_cb == NULL ||
3900                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3901                 return -EINVAL;
3902
3903         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3904         int ret = -EINVAL;
3905         struct rte_eth_rxtx_callback *cb;
3906         struct rte_eth_rxtx_callback **prev_cb;
3907
3908         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3909         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3910         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3911                 cb = *prev_cb;
3912                 if (cb == user_cb) {
3913                         /* Remove the user cb from the callback list. */
3914                         *prev_cb = cb->next;
3915                         ret = 0;
3916                         break;
3917                 }
3918         }
3919         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3920
3921         return ret;
3922 }
3923
3924 int
3925 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3926         struct rte_eth_rxq_info *qinfo)
3927 {
3928         struct rte_eth_dev *dev;
3929
3930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3931
3932         if (qinfo == NULL)
3933                 return -EINVAL;
3934
3935         dev = &rte_eth_devices[port_id];
3936         if (queue_id >= dev->data->nb_rx_queues) {
3937                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3938                 return -EINVAL;
3939         }
3940
3941         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3942
3943         memset(qinfo, 0, sizeof(*qinfo));
3944         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3945         return 0;
3946 }
3947
3948 int
3949 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3950         struct rte_eth_txq_info *qinfo)
3951 {
3952         struct rte_eth_dev *dev;
3953         struct rte_eth_txconf *txconf = &qinfo->conf;
3954
3955         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3956
3957         if (qinfo == NULL)
3958                 return -EINVAL;
3959
3960         dev = &rte_eth_devices[port_id];
3961         if (queue_id >= dev->data->nb_tx_queues) {
3962                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3963                 return -EINVAL;
3964         }
3965
3966         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3967
3968         memset(qinfo, 0, sizeof(*qinfo));
3969         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3970         /* convert offload to txq_flags to support legacy app */
3971         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
3972
3973         return 0;
3974 }
3975
3976 int
3977 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3978                              struct ether_addr *mc_addr_set,
3979                              uint32_t nb_mc_addr)
3980 {
3981         struct rte_eth_dev *dev;
3982
3983         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3984
3985         dev = &rte_eth_devices[port_id];
3986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3987         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3988                                                 mc_addr_set, nb_mc_addr));
3989 }
3990
3991 int
3992 rte_eth_timesync_enable(uint16_t port_id)
3993 {
3994         struct rte_eth_dev *dev;
3995
3996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3997         dev = &rte_eth_devices[port_id];
3998
3999         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4000         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4001 }
4002
4003 int
4004 rte_eth_timesync_disable(uint16_t port_id)
4005 {
4006         struct rte_eth_dev *dev;
4007
4008         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4009         dev = &rte_eth_devices[port_id];
4010
4011         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4012         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4013 }
4014
4015 int
4016 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4017                                    uint32_t flags)
4018 {
4019         struct rte_eth_dev *dev;
4020
4021         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4022         dev = &rte_eth_devices[port_id];
4023
4024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4025         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4026                                 (dev, timestamp, flags));
4027 }
4028
4029 int
4030 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4031                                    struct timespec *timestamp)
4032 {
4033         struct rte_eth_dev *dev;
4034
4035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4036         dev = &rte_eth_devices[port_id];
4037
4038         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4039         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4040                                 (dev, timestamp));
4041 }
4042
4043 int
4044 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4045 {
4046         struct rte_eth_dev *dev;
4047
4048         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4049         dev = &rte_eth_devices[port_id];
4050
4051         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4052         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4053                                                                       delta));
4054 }
4055
4056 int
4057 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4058 {
4059         struct rte_eth_dev *dev;
4060
4061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4062         dev = &rte_eth_devices[port_id];
4063
4064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4065         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4066                                                                 timestamp));
4067 }
4068
4069 int
4070 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4071 {
4072         struct rte_eth_dev *dev;
4073
4074         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4075         dev = &rte_eth_devices[port_id];
4076
4077         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4078         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4079                                                                 timestamp));
4080 }
4081
4082 int
4083 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4084 {
4085         struct rte_eth_dev *dev;
4086
4087         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4088
4089         dev = &rte_eth_devices[port_id];
4090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4091         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4092 }
4093
4094 int
4095 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4096 {
4097         struct rte_eth_dev *dev;
4098
4099         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4100
4101         dev = &rte_eth_devices[port_id];
4102         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4103         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4104 }
4105
4106 int
4107 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4108 {
4109         struct rte_eth_dev *dev;
4110
4111         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4112
4113         dev = &rte_eth_devices[port_id];
4114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4115         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4116 }
4117
4118 int
4119 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4120 {
4121         struct rte_eth_dev *dev;
4122
4123         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4124
4125         dev = &rte_eth_devices[port_id];
4126         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4127         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4128 }
4129
4130 int __rte_experimental
4131 rte_eth_dev_get_module_info(uint16_t port_id,
4132                             struct rte_eth_dev_module_info *modinfo)
4133 {
4134         struct rte_eth_dev *dev;
4135
4136         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4137
4138         dev = &rte_eth_devices[port_id];
4139         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4140         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4141 }
4142
4143 int __rte_experimental
4144 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4145                               struct rte_dev_eeprom_info *info)
4146 {
4147         struct rte_eth_dev *dev;
4148
4149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4150
4151         dev = &rte_eth_devices[port_id];
4152         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4153         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4154 }
4155
4156 int
4157 rte_eth_dev_get_dcb_info(uint16_t port_id,
4158                              struct rte_eth_dcb_info *dcb_info)
4159 {
4160         struct rte_eth_dev *dev;
4161
4162         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4163
4164         dev = &rte_eth_devices[port_id];
4165         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4166
4167         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4168         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4169 }
4170
4171 int
4172 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4173                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4174 {
4175         struct rte_eth_dev *dev;
4176
4177         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4178         if (l2_tunnel == NULL) {
4179                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4180                 return -EINVAL;
4181         }
4182
4183         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4184                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4185                 return -EINVAL;
4186         }
4187
4188         dev = &rte_eth_devices[port_id];
4189         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4190                                 -ENOTSUP);
4191         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4192                                                                 l2_tunnel));
4193 }
4194
4195 int
4196 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4197                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4198                                   uint32_t mask,
4199                                   uint8_t en)
4200 {
4201         struct rte_eth_dev *dev;
4202
4203         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4204
4205         if (l2_tunnel == NULL) {
4206                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4207                 return -EINVAL;
4208         }
4209
4210         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4211                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4212                 return -EINVAL;
4213         }
4214
4215         if (mask == 0) {
4216                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4217                 return -EINVAL;
4218         }
4219
4220         dev = &rte_eth_devices[port_id];
4221         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4222                                 -ENOTSUP);
4223         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4224                                                         l2_tunnel, mask, en));
4225 }
4226
4227 static void
4228 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4229                            const struct rte_eth_desc_lim *desc_lim)
4230 {
4231         if (desc_lim->nb_align != 0)
4232                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4233
4234         if (desc_lim->nb_max != 0)
4235                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4236
4237         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4238 }
4239
4240 int
4241 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4242                                  uint16_t *nb_rx_desc,
4243                                  uint16_t *nb_tx_desc)
4244 {
4245         struct rte_eth_dev *dev;
4246         struct rte_eth_dev_info dev_info;
4247
4248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249
4250         dev = &rte_eth_devices[port_id];
4251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4252
4253         rte_eth_dev_info_get(port_id, &dev_info);
4254
4255         if (nb_rx_desc != NULL)
4256                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4257
4258         if (nb_tx_desc != NULL)
4259                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4260
4261         return 0;
4262 }
4263
4264 int
4265 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4266 {
4267         struct rte_eth_dev *dev;
4268
4269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4270
4271         if (pool == NULL)
4272                 return -EINVAL;
4273
4274         dev = &rte_eth_devices[port_id];
4275
4276         if (*dev->dev_ops->pool_ops_supported == NULL)
4277                 return 1; /* all pools are supported */
4278
4279         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4280 }
4281
4282 /**
4283  * A set of values to describe the possible states of a switch domain.
4284  */
4285 enum rte_eth_switch_domain_state {
4286         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4287         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4288 };
4289
4290 /**
4291  * Array of switch domains available for allocation. Array is sized to
4292  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4293  * ethdev ports in a single process.
4294  */
4295 struct rte_eth_dev_switch {
4296         enum rte_eth_switch_domain_state state;
4297 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4298
4299 int __rte_experimental
4300 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4301 {
4302         unsigned int i;
4303
4304         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4305
4306         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4307                 i < RTE_MAX_ETHPORTS; i++) {
4308                 if (rte_eth_switch_domains[i].state ==
4309                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4310                         rte_eth_switch_domains[i].state =
4311                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4312                         *domain_id = i;
4313                         return 0;
4314                 }
4315         }
4316
4317         return -ENOSPC;
4318 }
4319
4320 int __rte_experimental
4321 rte_eth_switch_domain_free(uint16_t domain_id)
4322 {
4323         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4324                 domain_id >= RTE_MAX_ETHPORTS)
4325                 return -EINVAL;
4326
4327         if (rte_eth_switch_domains[domain_id].state !=
4328                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4329                 return -EINVAL;
4330
4331         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4332
4333         return 0;
4334 }
4335
4336 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4337
4338 static int
4339 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4340 {
4341         int state;
4342         struct rte_kvargs_pair *pair;
4343         char *letter;
4344
4345         arglist->str = strdup(str_in);
4346         if (arglist->str == NULL)
4347                 return -ENOMEM;
4348
4349         letter = arglist->str;
4350         state = 0;
4351         arglist->count = 0;
4352         pair = &arglist->pairs[0];
4353         while (1) {
4354                 switch (state) {
4355                 case 0: /* Initial */
4356                         if (*letter == '=')
4357                                 return -EINVAL;
4358                         else if (*letter == '\0')
4359                                 return 0;
4360
4361                         state = 1;
4362                         pair->key = letter;
4363                         /* fall-thru */
4364
4365                 case 1: /* Parsing key */
4366                         if (*letter == '=') {
4367                                 *letter = '\0';
4368                                 pair->value = letter + 1;
4369                                 state = 2;
4370                         } else if (*letter == ',' || *letter == '\0')
4371                                 return -EINVAL;
4372                         break;
4373
4374
4375                 case 2: /* Parsing value */
4376                         if (*letter == '[')
4377                                 state = 3;
4378                         else if (*letter == ',') {
4379                                 *letter = '\0';
4380                                 arglist->count++;
4381                                 pair = &arglist->pairs[arglist->count];
4382                                 state = 0;
4383                         } else if (*letter == '\0') {
4384                                 letter--;
4385                                 arglist->count++;
4386                                 pair = &arglist->pairs[arglist->count];
4387                                 state = 0;
4388                         }
4389                         break;
4390
4391                 case 3: /* Parsing list */
4392                         if (*letter == ']')
4393                                 state = 2;
4394                         else if (*letter == '\0')
4395                                 return -EINVAL;
4396                         break;
4397                 }
4398                 letter++;
4399         }
4400 }
4401
4402 static int
4403 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4404         void *data)
4405 {
4406         char *str_start;
4407         int state;
4408         int result;
4409
4410         if (*str != '[')
4411                 /* Single element, not a list */
4412                 return callback(str, data);
4413
4414         /* Sanity check, then strip the brackets */
4415         str_start = &str[strlen(str) - 1];
4416         if (*str_start != ']') {
4417                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4418                 return -EINVAL;
4419         }
4420         str++;
4421         *str_start = '\0';
4422
4423         /* Process list elements */
4424         state = 0;
4425         while (1) {
4426                 if (state == 0) {
4427                         if (*str == '\0')
4428                                 break;
4429                         if (*str != ',') {
4430                                 str_start = str;
4431                                 state = 1;
4432                         }
4433                 } else if (state == 1) {
4434                         if (*str == ',' || *str == '\0') {
4435                                 if (str > str_start) {
4436                                         /* Non-empty string fragment */
4437                                         *str = '\0';
4438                                         result = callback(str_start, data);
4439                                         if (result < 0)
4440                                                 return result;
4441                                 }
4442                                 state = 0;
4443                         }
4444                 }
4445                 str++;
4446         }
4447         return 0;
4448 }
4449
4450 static int
4451 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4452         const uint16_t max_list)
4453 {
4454         uint16_t lo, hi, val;
4455         int result;
4456
4457         result = sscanf(str, "%hu-%hu", &lo, &hi);
4458         if (result == 1) {
4459                 if (*len_list >= max_list)
4460                         return -ENOMEM;
4461                 list[(*len_list)++] = lo;
4462         } else if (result == 2) {
4463                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4464                         return -EINVAL;
4465                 for (val = lo; val <= hi; val++) {
4466                         if (*len_list >= max_list)
4467                                 return -ENOMEM;
4468                         list[(*len_list)++] = val;
4469                 }
4470         } else
4471                 return -EINVAL;
4472         return 0;
4473 }
4474
4475
4476 static int
4477 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4478 {
4479         struct rte_eth_devargs *eth_da = data;
4480
4481         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4482                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4483 }
4484
4485 int __rte_experimental
4486 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4487 {
4488         struct rte_kvargs args;
4489         struct rte_kvargs_pair *pair;
4490         unsigned int i;
4491         int result = 0;
4492
4493         memset(eth_da, 0, sizeof(*eth_da));
4494
4495         result = rte_eth_devargs_tokenise(&args, dargs);
4496         if (result < 0)
4497                 goto parse_cleanup;
4498
4499         for (i = 0; i < args.count; i++) {
4500                 pair = &args.pairs[i];
4501                 if (strcmp("representor", pair->key) == 0) {
4502                         result = rte_eth_devargs_parse_list(pair->value,
4503                                 rte_eth_devargs_parse_representor_ports,
4504                                 eth_da);
4505                         if (result < 0)
4506                                 goto parse_cleanup;
4507                 }
4508         }
4509
4510 parse_cleanup:
4511         if (args.str)
4512                 free(args.str);
4513
4514         return result;
4515 }
4516
4517 RTE_INIT(ethdev_init_log);
4518 static void
4519 ethdev_init_log(void)
4520 {
4521         ethdev_logtype = rte_log_register("lib.ethdev");
4522         if (ethdev_logtype >= 0)
4523                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4524 }