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 struct rte_eth_dev *
 238 rte_eth_dev_allocated(const char *name)
 239 {
 240         unsigned i;
 241
 242         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 243                 if ((rte_eth_devices[i].state == RTE_ETH_DEV_ATTACHED) &&
 244                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 245                         return &rte_eth_devices[i];
 246         }
 247         return NULL;
 248 }
 249
 250 static uint16_t
 251 rte_eth_dev_find_free_port(void)
 252 {
 253         unsigned i;
 254
 255         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 256                 /* Using shared name field to find a free port. */
 257                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 258                         RTE_ASSERT(rte_eth_devices[i].state ==
 259                                    RTE_ETH_DEV_UNUSED);
 260                         return i;
 261                 }
 262         }
 263         return RTE_MAX_ETHPORTS;
 264 }
 265
 266 static struct rte_eth_dev *
 267 eth_dev_get(uint16_t port_id)
 268 {
 269         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 270
 271         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 272         eth_dev->state = RTE_ETH_DEV_ATTACHED;
 273
 274         eth_dev_last_created_port = port_id;
 275
 276         return eth_dev;
 277 }
 278
 279 struct rte_eth_dev *
 280 rte_eth_dev_allocate(const char *name)
 281 {
 282         uint16_t port_id;
 283         struct rte_eth_dev *eth_dev = NULL;
 284
 285         rte_eth_dev_shared_data_prepare();
 286
 287         /* Synchronize port creation between primary and secondary threads. */
 288         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 289
 290         port_id = rte_eth_dev_find_free_port();
 291         if (port_id == RTE_MAX_ETHPORTS) {
 292                 ethdev_log(ERR, "Reached maximum number of Ethernet ports");
 293                 goto unlock;
 294         }
 295
 296         if (rte_eth_dev_allocated(name) != NULL) {
 297                 ethdev_log(ERR,
 298                         "Ethernet Device with name %s already allocated!",
 299                         name);
 300                 goto unlock;
 301         }
 302
 303         eth_dev = eth_dev_get(port_id);
 304         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 305         eth_dev->data->port_id = port_id;
 306         eth_dev->data->mtu = ETHER_MTU;
 307
 308 unlock:
 309         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 310
 311         if (eth_dev != NULL)
 312                 _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_NEW, NULL);
 313
 314         return eth_dev;
 315 }
 316
 317 /*
 318  * Attach to a port already registered by the primary process, which
 319  * makes sure that the same device would have the same port id both
 320  * in the primary and secondary process.
 321  */
 322 struct rte_eth_dev *
 323 rte_eth_dev_attach_secondary(const char *name)
 324 {
 325         uint16_t i;
 326         struct rte_eth_dev *eth_dev = NULL;
 327
 328         rte_eth_dev_shared_data_prepare();
 329
 330         /* Synchronize port attachment to primary port creation and release. */
 331         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 332
 333         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 334                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 335                         break;
 336         }
 337         if (i == RTE_MAX_ETHPORTS) {
 338                 RTE_PMD_DEBUG_TRACE(
 339                         "device %s is not driven by the primary process\n",
 340                         name);
 341         } else {
 342                 eth_dev = eth_dev_get(i);
 343                 RTE_ASSERT(eth_dev->data->port_id == i);
 344         }
 345
 346         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 347         return eth_dev;
 348 }
 349
 350 int
 351 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 352 {
 353         if (eth_dev == NULL)
 354                 return -EINVAL;
 355
 356         rte_eth_dev_shared_data_prepare();
 357
 358         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 359
 360         eth_dev->state = RTE_ETH_DEV_UNUSED;
 361
 362         memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 363
 364         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 365
 366         _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
 367
 368         return 0;
 369 }
 370
 371 int
 372 rte_eth_dev_is_valid_port(uint16_t port_id)
 373 {
 374         if (port_id >= RTE_MAX_ETHPORTS ||
 375             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 376                 return 0;
 377         else
 378                 return 1;
 379 }
 380
 381 static int
 382 rte_eth_is_valid_owner_id(uint64_t owner_id)
 383 {
 384         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 385             rte_eth_dev_shared_data->next_owner_id <= owner_id) {
 386                 RTE_PMD_DEBUG_TRACE("Invalid owner_id=%016"PRIX64".\n", owner_id);
 387                 return 0;
 388         }
 389         return 1;
 390 }
 391
 392 uint64_t
 393 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 394 {
 395         while (port_id < RTE_MAX_ETHPORTS &&
 396                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 397                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 398                rte_eth_devices[port_id].data->owner.id != owner_id))
 399                 port_id++;
 400
 401         if (port_id >= RTE_MAX_ETHPORTS)
 402                 return RTE_MAX_ETHPORTS;
 403
 404         return port_id;
 405 }
 406
 407 int __rte_experimental
 408 rte_eth_dev_owner_new(uint64_t *owner_id)
 409 {
 410         rte_eth_dev_shared_data_prepare();
 411
 412         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 413
 414         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 415
 416         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 417         return 0;
 418 }
 419
 420 static int
 421 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 422                        const struct rte_eth_dev_owner *new_owner)
 423 {
 424         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 425         struct rte_eth_dev_owner *port_owner;
 426         int sret;
 427
 428         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 429                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 430                 return -ENODEV;
 431         }
 432
 433         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 434             !rte_eth_is_valid_owner_id(old_owner_id))
 435                 return -EINVAL;
 436
 437         port_owner = &rte_eth_devices[port_id].data->owner;
 438         if (port_owner->id != old_owner_id) {
 439                 RTE_PMD_DEBUG_TRACE("Cannot set owner to port %d already owned"
 440                                     " by %s_%016"PRIX64".\n", port_id,
 441                                     port_owner->name, port_owner->id);
 442                 return -EPERM;
 443         }
 444
 445         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 446                         new_owner->name);
 447         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 448                 RTE_PMD_DEBUG_TRACE("Port %d owner name was truncated.\n",
 449                                     port_id);
 450
 451         port_owner->id = new_owner->id;
 452
 453         RTE_PMD_DEBUG_TRACE("Port %d owner is %s_%016"PRIX64".\n", port_id,
 454                             new_owner->name, new_owner->id);
 455
 456         return 0;
 457 }
 458
 459 int __rte_experimental
 460 rte_eth_dev_owner_set(const uint16_t port_id,
 461                       const struct rte_eth_dev_owner *owner)
 462 {
 463         int ret;
 464
 465         rte_eth_dev_shared_data_prepare();
 466
 467         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 468
 469         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 470
 471         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 472         return ret;
 473 }
 474
 475 int __rte_experimental
 476 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 477 {
 478         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 479                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 480         int ret;
 481
 482         rte_eth_dev_shared_data_prepare();
 483
 484         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 485
 486         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 487
 488         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 489         return ret;
 490 }
 491
 492 void __rte_experimental
 493 rte_eth_dev_owner_delete(const uint64_t owner_id)
 494 {
 495         uint16_t port_id;
 496
 497         rte_eth_dev_shared_data_prepare();
 498
 499         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 500
 501         if (rte_eth_is_valid_owner_id(owner_id)) {
 502                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 503                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 504                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 505                                        sizeof(struct rte_eth_dev_owner));
 506                 RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64
 507                                 " identifier have removed.\n", owner_id);
 508         }
 509
 510         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 511 }
 512
 513 int __rte_experimental
 514 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 515 {
 516         int ret = 0;
 517         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 518
 519         rte_eth_dev_shared_data_prepare();
 520
 521         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 522
 523         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 524                 RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id);
 525                 ret = -ENODEV;
 526         } else {
 527                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 528         }
 529
 530         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 531         return ret;
 532 }
 533
 534 int
 535 rte_eth_dev_socket_id(uint16_t port_id)
 536 {
 537         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 538         return rte_eth_devices[port_id].data->numa_node;
 539 }
 540
 541 void *
 542 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 543 {
 544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 545         return rte_eth_devices[port_id].security_ctx;
 546 }
 547
 548 uint16_t
 549 rte_eth_dev_count(void)
 550 {
 551         return rte_eth_dev_count_avail();
 552 }
 553
 554 uint16_t
 555 rte_eth_dev_count_avail(void)
 556 {
 557         uint16_t p;
 558         uint16_t count;
 559
 560         count = 0;
 561
 562         RTE_ETH_FOREACH_DEV(p)
 563                 count++;
 564
 565         return count;
 566 }
 567
 568 uint16_t __rte_experimental
 569 rte_eth_dev_count_total(void)
 570 {
 571         uint16_t port, count = 0;
 572
 573         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 574                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 575                         count++;
 576
 577         return count;
 578 }
 579
 580 int
 581 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 582 {
 583         char *tmp;
 584
 585         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 586
 587         if (name == NULL) {
 588                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 589                 return -EINVAL;
 590         }
 591
 592         /* shouldn't check 'rte_eth_devices[i].data',
 593          * because it might be overwritten by VDEV PMD */
 594         tmp = rte_eth_dev_shared_data->data[port_id].name;
 595         strcpy(name, tmp);
 596         return 0;
 597 }
 598
 599 int
 600 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 601 {
 602         uint32_t pid;
 603
 604         if (name == NULL) {
 605                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 606                 return -EINVAL;
 607         }
 608
 609         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 610                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 611                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 612                         *port_id = pid;
 613                         return 0;
 614                 }
 615         }
 616
 617         return -ENODEV;
 618 }
 619
 620 static int
 621 eth_err(uint16_t port_id, int ret)
 622 {
 623         if (ret == 0)
 624                 return 0;
 625         if (rte_eth_dev_is_removed(port_id))
 626                 return -EIO;
 627         return ret;
 628 }
 629
 630 /* attach the new device, then store port_id of the device */
 631 int
 632 rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
 633 {
 634         int current = rte_eth_dev_count_total();
 635         struct rte_devargs da;
 636         int ret = -1;
 637
 638         memset(&da, 0, sizeof(da));
 639
 640         if ((devargs == NULL) || (port_id == NULL)) {
 641                 ret = -EINVAL;
 642                 goto err;
 643         }
 644
 645         /* parse devargs */
 646         if (rte_devargs_parse(&da, "%s", devargs))
 647                 goto err;
 648
 649         ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
 650         if (ret < 0)
 651                 goto err;
 652
 653         /* no point looking at the port count if no port exists */
 654         if (!rte_eth_dev_count_total()) {
 655                 ethdev_log(ERR, "No port found for device (%s)", da.name);
 656                 ret = -1;
 657                 goto err;
 658         }
 659
 660         /* if nothing happened, there is a bug here, since some driver told us
 661          * it did attach a device, but did not create a port.
 662          * FIXME: race condition in case of plug-out of another device
 663          */
 664         if (current == rte_eth_dev_count_total()) {
 665                 ret = -1;
 666                 goto err;
 667         }
 668
 669         *port_id = eth_dev_last_created_port;
 670         ret = 0;
 671
 672 err:
 673         free(da.args);
 674         return ret;
 675 }
 676
 677 /* detach the device, then store the name of the device */
 678 int
 679 rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
 680 {
 681         struct rte_device *dev;
 682         struct rte_bus *bus;
 683         uint32_t dev_flags;
 684         int ret = -1;
 685
 686         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 687
 688         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 689         if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 690                 ethdev_log(ERR,
 691                         "Port %" PRIu16 " is bonded, cannot detach", port_id);
 692                 return -ENOTSUP;
 693         }
 694
 695         dev = rte_eth_devices[port_id].device;
 696         if (dev == NULL)
 697                 return -EINVAL;
 698
 699         bus = rte_bus_find_by_device(dev);
 700         if (bus == NULL)
 701                 return -ENOENT;
 702
 703         ret = rte_eal_hotplug_remove(bus->name, dev->name);
 704         if (ret < 0)
 705                 return ret;
 706
 707         rte_eth_dev_release_port(&rte_eth_devices[port_id]);
 708         return 0;
 709 }
 710
 711 static int
 712 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 713 {
 714         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 715         void **rxq;
 716         unsigned i;
 717
 718         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 719                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 720                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 721                                 RTE_CACHE_LINE_SIZE);
 722                 if (dev->data->rx_queues == NULL) {
 723                         dev->data->nb_rx_queues = 0;
 724                         return -(ENOMEM);
 725                 }
 726         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 727                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 728
 729                 rxq = dev->data->rx_queues;
 730
 731                 for (i = nb_queues; i < old_nb_queues; i++)
 732                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 733                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 734                                 RTE_CACHE_LINE_SIZE);
 735                 if (rxq == NULL)
 736                         return -(ENOMEM);
 737                 if (nb_queues > old_nb_queues) {
 738                         uint16_t new_qs = nb_queues - old_nb_queues;
 739
 740                         memset(rxq + old_nb_queues, 0,
 741                                 sizeof(rxq[0]) * new_qs);
 742                 }
 743
 744                 dev->data->rx_queues = rxq;
 745
 746         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 747                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 748
 749                 rxq = dev->data->rx_queues;
 750
 751                 for (i = nb_queues; i < old_nb_queues; i++)
 752                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 753
 754                 rte_free(dev->data->rx_queues);
 755                 dev->data->rx_queues = NULL;
 756         }
 757         dev->data->nb_rx_queues = nb_queues;
 758         return 0;
 759 }
 760
 761 int
 762 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 763 {
 764         struct rte_eth_dev *dev;
 765
 766         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 767
 768         dev = &rte_eth_devices[port_id];
 769         if (!dev->data->dev_started) {
 770                 RTE_PMD_DEBUG_TRACE(
 771                     "port %d must be started before start any queue\n", port_id);
 772                 return -EINVAL;
 773         }
 774
 775         if (rx_queue_id >= dev->data->nb_rx_queues) {
 776                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 777                 return -EINVAL;
 778         }
 779
 780         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 781
 782         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 783                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 784                         " already started\n",
 785                         rx_queue_id, port_id);
 786                 return 0;
 787         }
 788
 789         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 790                                                              rx_queue_id));
 791
 792 }
 793
 794 int
 795 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 796 {
 797         struct rte_eth_dev *dev;
 798
 799         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 800
 801         dev = &rte_eth_devices[port_id];
 802         if (rx_queue_id >= dev->data->nb_rx_queues) {
 803                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 804                 return -EINVAL;
 805         }
 806
 807         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 808
 809         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 810                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 811                         " already stopped\n",
 812                         rx_queue_id, port_id);
 813                 return 0;
 814         }
 815
 816         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 817
 818 }
 819
 820 int
 821 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 822 {
 823         struct rte_eth_dev *dev;
 824
 825         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 826
 827         dev = &rte_eth_devices[port_id];
 828         if (!dev->data->dev_started) {
 829                 RTE_PMD_DEBUG_TRACE(
 830                     "port %d must be started before start any queue\n", port_id);
 831                 return -EINVAL;
 832         }
 833
 834         if (tx_queue_id >= dev->data->nb_tx_queues) {
 835                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 836                 return -EINVAL;
 837         }
 838
 839         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 840
 841         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 842                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 843                         " already started\n",
 844                         tx_queue_id, port_id);
 845                 return 0;
 846         }
 847
 848         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev,
 849                                                              tx_queue_id));
 850
 851 }
 852
 853 int
 854 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 855 {
 856         struct rte_eth_dev *dev;
 857
 858         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 859
 860         dev = &rte_eth_devices[port_id];
 861         if (tx_queue_id >= dev->data->nb_tx_queues) {
 862                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 863                 return -EINVAL;
 864         }
 865
 866         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 867
 868         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 869                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 870                         " already stopped\n",
 871                         tx_queue_id, port_id);
 872                 return 0;
 873         }
 874
 875         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 876
 877 }
 878
 879 static int
 880 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 881 {
 882         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 883         void **txq;
 884         unsigned i;
 885
 886         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 887                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 888                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 889                                                    RTE_CACHE_LINE_SIZE);
 890                 if (dev->data->tx_queues == NULL) {
 891                         dev->data->nb_tx_queues = 0;
 892                         return -(ENOMEM);
 893                 }
 894         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 895                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 896
 897                 txq = dev->data->tx_queues;
 898
 899                 for (i = nb_queues; i < old_nb_queues; i++)
 900                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 901                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 902                                   RTE_CACHE_LINE_SIZE);
 903                 if (txq == NULL)
 904                         return -ENOMEM;
 905                 if (nb_queues > old_nb_queues) {
 906                         uint16_t new_qs = nb_queues - old_nb_queues;
 907
 908                         memset(txq + old_nb_queues, 0,
 909                                sizeof(txq[0]) * new_qs);
 910                 }
 911
 912                 dev->data->tx_queues = txq;
 913
 914         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 915                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 916
 917                 txq = dev->data->tx_queues;
 918
 919                 for (i = nb_queues; i < old_nb_queues; i++)
 920                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 921
 922                 rte_free(dev->data->tx_queues);
 923                 dev->data->tx_queues = NULL;
 924         }
 925         dev->data->nb_tx_queues = nb_queues;
 926         return 0;
 927 }
 928
 929 uint32_t
 930 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 931 {
 932         switch (speed) {
 933         case ETH_SPEED_NUM_10M:
 934                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 935         case ETH_SPEED_NUM_100M:
 936                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 937         case ETH_SPEED_NUM_1G:
 938                 return ETH_LINK_SPEED_1G;
 939         case ETH_SPEED_NUM_2_5G:
 940                 return ETH_LINK_SPEED_2_5G;
 941         case ETH_SPEED_NUM_5G:
 942                 return ETH_LINK_SPEED_5G;
 943         case ETH_SPEED_NUM_10G:
 944                 return ETH_LINK_SPEED_10G;
 945         case ETH_SPEED_NUM_20G:
 946                 return ETH_LINK_SPEED_20G;
 947         case ETH_SPEED_NUM_25G:
 948                 return ETH_LINK_SPEED_25G;
 949         case ETH_SPEED_NUM_40G:
 950                 return ETH_LINK_SPEED_40G;
 951         case ETH_SPEED_NUM_50G:
 952                 return ETH_LINK_SPEED_50G;
 953         case ETH_SPEED_NUM_56G:
 954                 return ETH_LINK_SPEED_56G;
 955         case ETH_SPEED_NUM_100G:
 956                 return ETH_LINK_SPEED_100G;
 957         default:
 958                 return 0;
 959         }
 960 }
 961
 962 /**
 963  * A conversion function from rxmode bitfield API.
 964  */
 965 static void
 966 rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,
 967                                     uint64_t *rx_offloads)
 968 {
 969         uint64_t offloads = 0;
 970
 971         if (rxmode->header_split == 1)
 972                 offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
 973         if (rxmode->hw_ip_checksum == 1)
 974                 offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 975         if (rxmode->hw_vlan_filter == 1)
 976                 offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 977         if (rxmode->hw_vlan_strip == 1)
 978                 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
 979         if (rxmode->hw_vlan_extend == 1)
 980                 offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
 981         if (rxmode->jumbo_frame == 1)
 982                 offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 983         if (rxmode->hw_strip_crc == 1)
 984                 offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 985         if (rxmode->enable_scatter == 1)
 986                 offloads |= DEV_RX_OFFLOAD_SCATTER;
 987         if (rxmode->enable_lro == 1)
 988                 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 989         if (rxmode->hw_timestamp == 1)
 990                 offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
 991         if (rxmode->security == 1)
 992                 offloads |= DEV_RX_OFFLOAD_SECURITY;
 993
 994         *rx_offloads = offloads;
 995 }
 996
 997 const char * __rte_experimental
 998 rte_eth_dev_rx_offload_name(uint64_t offload)
 999 {
1000         const char *name = "UNKNOWN";
1001         unsigned int i;
1002
1003         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1004                 if (offload == rte_rx_offload_names[i].offload) {
1005                         name = rte_rx_offload_names[i].name;
1006                         break;
1007                 }
1008         }
1009
1010         return name;
1011 }
1012
1013 const char * __rte_experimental
1014 rte_eth_dev_tx_offload_name(uint64_t offload)
1015 {
1016         const char *name = "UNKNOWN";
1017         unsigned int i;
1018
1019         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1020                 if (offload == rte_tx_offload_names[i].offload) {
1021                         name = rte_tx_offload_names[i].name;
1022                         break;
1023                 }
1024         }
1025
1026         return name;
1027 }
1028
1029 int
1030 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1031                       const struct rte_eth_conf *dev_conf)
1032 {
1033         struct rte_eth_dev *dev;
1034         struct rte_eth_dev_info dev_info;
1035         struct rte_eth_conf local_conf = *dev_conf;
1036         int diag;
1037
1038         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1039
1040         dev = &rte_eth_devices[port_id];
1041
1042         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1043         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1044
1045         rte_eth_dev_info_get(port_id, &dev_info);
1046
1047         /* If number of queues specified by application for both Rx and Tx is
1048          * zero, use driver preferred values. This cannot be done individually
1049          * as it is valid for either Tx or Rx (but not both) to be zero.
1050          * If driver does not provide any preferred valued, fall back on
1051          * EAL defaults.
1052          */
1053         if (nb_rx_q == 0 && nb_tx_q == 0) {
1054                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1055                 if (nb_rx_q == 0)
1056                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1057                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1058                 if (nb_tx_q == 0)
1059                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1060         }
1061
1062         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1063                 RTE_PMD_DEBUG_TRACE(
1064                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1065                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1066                 return -EINVAL;
1067         }
1068
1069         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1070                 RTE_PMD_DEBUG_TRACE(
1071                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1072                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1073                 return -EINVAL;
1074         }
1075
1076         if (dev->data->dev_started) {
1077                 RTE_PMD_DEBUG_TRACE(
1078                     "port %d must be stopped to allow configuration\n", port_id);
1079                 return -EBUSY;
1080         }
1081
1082         /*
1083          * Convert between the offloads API to enable PMDs to support
1084          * only one of them.
1085          */
1086         if (dev_conf->rxmode.ignore_offload_bitfield == 0)
1087                 rte_eth_convert_rx_offload_bitfield(
1088                                 &dev_conf->rxmode, &local_conf.rxmode.offloads);
1089
1090         /* Copy the dev_conf parameter into the dev structure */
1091         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1092
1093         /*
1094          * Check that the numbers of RX and TX queues are not greater
1095          * than the maximum number of RX and TX queues supported by the
1096          * configured device.
1097          */
1098         if (nb_rx_q > dev_info.max_rx_queues) {
1099                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1100                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1101                 return -EINVAL;
1102         }
1103
1104         if (nb_tx_q > dev_info.max_tx_queues) {
1105                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1106                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1107                 return -EINVAL;
1108         }
1109
1110         /* Check that the device supports requested interrupts */
1111         if ((dev_conf->intr_conf.lsc == 1) &&
1112                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1113                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1114                                         dev->device->driver->name);
1115                         return -EINVAL;
1116         }
1117         if ((dev_conf->intr_conf.rmv == 1) &&
1118             (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1119                 RTE_PMD_DEBUG_TRACE("driver %s does not support rmv\n",
1120                                     dev->device->driver->name);
1121                 return -EINVAL;
1122         }
1123
1124         /*
1125          * If jumbo frames are enabled, check that the maximum RX packet
1126          * length is supported by the configured device.
1127          */
1128         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1129                 if (dev_conf->rxmode.max_rx_pkt_len >
1130                     dev_info.max_rx_pktlen) {
1131                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1132                                 " > max valid value %u\n",
1133                                 port_id,
1134                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1135                                 (unsigned)dev_info.max_rx_pktlen);
1136                         return -EINVAL;
1137                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1138                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1139                                 " < min valid value %u\n",
1140                                 port_id,
1141                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1142                                 (unsigned)ETHER_MIN_LEN);
1143                         return -EINVAL;
1144                 }
1145         } else {
1146                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1147                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1148                         /* Use default value */
1149                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1150                                                         ETHER_MAX_LEN;
1151         }
1152
1153         /* Any requested offloading must be within its device capabilities */
1154         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1155              local_conf.rxmode.offloads) {
1156                 ethdev_log(ERR, "ethdev port_id=%d requested Rx offloads "
1157                                 "0x%" PRIx64 " doesn't match Rx offloads "
1158                                 "capabilities 0x%" PRIx64 " in %s()\n",
1159                                 port_id,
1160                                 local_conf.rxmode.offloads,
1161                                 dev_info.rx_offload_capa,
1162                                 __func__);
1163                 /* Will return -EINVAL in the next release */
1164         }
1165         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1166              local_conf.txmode.offloads) {
1167                 ethdev_log(ERR, "ethdev port_id=%d requested Tx offloads "
1168                                 "0x%" PRIx64 " doesn't match Tx offloads "
1169                                 "capabilities 0x%" PRIx64 " in %s()\n",
1170                                 port_id,
1171                                 local_conf.txmode.offloads,
1172                                 dev_info.tx_offload_capa,
1173                                 __func__);
1174                 /* Will return -EINVAL in the next release */
1175         }
1176
1177         /* Check that device supports requested rss hash functions. */
1178         if ((dev_info.flow_type_rss_offloads |
1179              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1180             dev_info.flow_type_rss_offloads) {
1181                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
1182                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1183                                     port_id,
1184                                     dev_conf->rx_adv_conf.rss_conf.rss_hf,
1185                                     dev_info.flow_type_rss_offloads);
1186         }
1187
1188         /*
1189          * Setup new number of RX/TX queues and reconfigure device.
1190          */
1191         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1192         if (diag != 0) {
1193                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1194                                 port_id, diag);
1195                 return diag;
1196         }
1197
1198         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1199         if (diag != 0) {
1200                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1201                                 port_id, diag);
1202                 rte_eth_dev_rx_queue_config(dev, 0);
1203                 return diag;
1204         }
1205
1206         diag = (*dev->dev_ops->dev_configure)(dev);
1207         if (diag != 0) {
1208                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1209                                 port_id, diag);
1210                 rte_eth_dev_rx_queue_config(dev, 0);
1211                 rte_eth_dev_tx_queue_config(dev, 0);
1212                 return eth_err(port_id, diag);
1213         }
1214
1215         /* Initialize Rx profiling if enabled at compilation time. */
1216         diag = __rte_eth_profile_rx_init(port_id, dev);
1217         if (diag != 0) {
1218                 RTE_PMD_DEBUG_TRACE("port%d __rte_eth_profile_rx_init = %d\n",
1219                                 port_id, diag);
1220                 rte_eth_dev_rx_queue_config(dev, 0);
1221                 rte_eth_dev_tx_queue_config(dev, 0);
1222                 return eth_err(port_id, diag);
1223         }
1224
1225         return 0;
1226 }
1227
1228 void
1229 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1230 {
1231         if (dev->data->dev_started) {
1232                 RTE_PMD_DEBUG_TRACE(
1233                         "port %d must be stopped to allow reset\n",
1234                         dev->data->port_id);
1235                 return;
1236         }
1237
1238         rte_eth_dev_rx_queue_config(dev, 0);
1239         rte_eth_dev_tx_queue_config(dev, 0);
1240
1241         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1242 }
1243
1244 static void
1245 rte_eth_dev_config_restore(uint16_t port_id)
1246 {
1247         struct rte_eth_dev *dev;
1248         struct rte_eth_dev_info dev_info;
1249         struct ether_addr *addr;
1250         uint16_t i;
1251         uint32_t pool = 0;
1252         uint64_t pool_mask;
1253
1254         dev = &rte_eth_devices[port_id];
1255
1256         rte_eth_dev_info_get(port_id, &dev_info);
1257
1258         /* replay MAC address configuration including default MAC */
1259         addr = &dev->data->mac_addrs[0];
1260         if (*dev->dev_ops->mac_addr_set != NULL)
1261                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1262         else if (*dev->dev_ops->mac_addr_add != NULL)
1263                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1264
1265         if (*dev->dev_ops->mac_addr_add != NULL) {
1266                 for (i = 1; i < dev_info.max_mac_addrs; i++) {
1267                         addr = &dev->data->mac_addrs[i];
1268
1269                         /* skip zero address */
1270                         if (is_zero_ether_addr(addr))
1271                                 continue;
1272
1273                         pool = 0;
1274                         pool_mask = dev->data->mac_pool_sel[i];
1275
1276                         do {
1277                                 if (pool_mask & 1ULL)
1278                                         (*dev->dev_ops->mac_addr_add)(dev,
1279                                                 addr, i, pool);
1280                                 pool_mask >>= 1;
1281                                 pool++;
1282                         } while (pool_mask);
1283                 }
1284         }
1285
1286         /* replay promiscuous configuration */
1287         if (rte_eth_promiscuous_get(port_id) == 1)
1288                 rte_eth_promiscuous_enable(port_id);
1289         else if (rte_eth_promiscuous_get(port_id) == 0)
1290                 rte_eth_promiscuous_disable(port_id);
1291
1292         /* replay all multicast configuration */
1293         if (rte_eth_allmulticast_get(port_id) == 1)
1294                 rte_eth_allmulticast_enable(port_id);
1295         else if (rte_eth_allmulticast_get(port_id) == 0)
1296                 rte_eth_allmulticast_disable(port_id);
1297 }
1298
1299 int
1300 rte_eth_dev_start(uint16_t port_id)
1301 {
1302         struct rte_eth_dev *dev;
1303         int diag;
1304
1305         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1306
1307         dev = &rte_eth_devices[port_id];
1308
1309         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1310
1311         if (dev->data->dev_started != 0) {
1312                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1313                         " already started\n",
1314                         port_id);
1315                 return 0;
1316         }
1317
1318         diag = (*dev->dev_ops->dev_start)(dev);
1319         if (diag == 0)
1320                 dev->data->dev_started = 1;
1321         else
1322                 return eth_err(port_id, diag);
1323
1324         rte_eth_dev_config_restore(port_id);
1325
1326         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1327                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1328                 (*dev->dev_ops->link_update)(dev, 0);
1329         }
1330         return 0;
1331 }
1332
1333 void
1334 rte_eth_dev_stop(uint16_t port_id)
1335 {
1336         struct rte_eth_dev *dev;
1337
1338         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1339         dev = &rte_eth_devices[port_id];
1340
1341         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1342
1343         if (dev->data->dev_started == 0) {
1344                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu16
1345                         " already stopped\n",
1346                         port_id);
1347                 return;
1348         }
1349
1350         dev->data->dev_started = 0;
1351         (*dev->dev_ops->dev_stop)(dev);
1352 }
1353
1354 int
1355 rte_eth_dev_set_link_up(uint16_t port_id)
1356 {
1357         struct rte_eth_dev *dev;
1358
1359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1360
1361         dev = &rte_eth_devices[port_id];
1362
1363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1364         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1365 }
1366
1367 int
1368 rte_eth_dev_set_link_down(uint16_t port_id)
1369 {
1370         struct rte_eth_dev *dev;
1371
1372         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1373
1374         dev = &rte_eth_devices[port_id];
1375
1376         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1377         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1378 }
1379
1380 void
1381 rte_eth_dev_close(uint16_t port_id)
1382 {
1383         struct rte_eth_dev *dev;
1384
1385         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1386         dev = &rte_eth_devices[port_id];
1387
1388         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1389         dev->data->dev_started = 0;
1390         (*dev->dev_ops->dev_close)(dev);
1391
1392         dev->data->nb_rx_queues = 0;
1393         rte_free(dev->data->rx_queues);
1394         dev->data->rx_queues = NULL;
1395         dev->data->nb_tx_queues = 0;
1396         rte_free(dev->data->tx_queues);
1397         dev->data->tx_queues = NULL;
1398 }
1399
1400 int
1401 rte_eth_dev_reset(uint16_t port_id)
1402 {
1403         struct rte_eth_dev *dev;
1404         int ret;
1405
1406         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1407         dev = &rte_eth_devices[port_id];
1408
1409         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1410
1411         rte_eth_dev_stop(port_id);
1412         ret = dev->dev_ops->dev_reset(dev);
1413
1414         return eth_err(port_id, ret);
1415 }
1416
1417 int __rte_experimental
1418 rte_eth_dev_is_removed(uint16_t port_id)
1419 {
1420         struct rte_eth_dev *dev;
1421         int ret;
1422
1423         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1424
1425         dev = &rte_eth_devices[port_id];
1426
1427         if (dev->state == RTE_ETH_DEV_REMOVED)
1428                 return 1;
1429
1430         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1431
1432         ret = dev->dev_ops->is_removed(dev);
1433         if (ret != 0)
1434                 /* Device is physically removed. */
1435                 dev->state = RTE_ETH_DEV_REMOVED;
1436
1437         return ret;
1438 }
1439
1440 int
1441 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1442                        uint16_t nb_rx_desc, unsigned int socket_id,
1443                        const struct rte_eth_rxconf *rx_conf,
1444                        struct rte_mempool *mp)
1445 {
1446         int ret;
1447         uint32_t mbp_buf_size;
1448         struct rte_eth_dev *dev;
1449         struct rte_eth_dev_info dev_info;
1450         struct rte_eth_rxconf local_conf;
1451         void **rxq;
1452
1453         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1454
1455         dev = &rte_eth_devices[port_id];
1456         if (rx_queue_id >= dev->data->nb_rx_queues) {
1457                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1458                 return -EINVAL;
1459         }
1460
1461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1462         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1463
1464         /*
1465          * Check the size of the mbuf data buffer.
1466          * This value must be provided in the private data of the memory pool.
1467          * First check that the memory pool has a valid private data.
1468          */
1469         rte_eth_dev_info_get(port_id, &dev_info);
1470         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1471                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1472                                 mp->name, (int) mp->private_data_size,
1473                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1474                 return -ENOSPC;
1475         }
1476         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1477
1478         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1479                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1480                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1481                                 "=%d)\n",
1482                                 mp->name,
1483                                 (int)mbp_buf_size,
1484                                 (int)(RTE_PKTMBUF_HEADROOM +
1485                                       dev_info.min_rx_bufsize),
1486                                 (int)RTE_PKTMBUF_HEADROOM,
1487                                 (int)dev_info.min_rx_bufsize);
1488                 return -EINVAL;
1489         }
1490
1491         /* Use default specified by driver, if nb_rx_desc is zero */
1492         if (nb_rx_desc == 0) {
1493                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1494                 /* If driver default is also zero, fall back on EAL default */
1495                 if (nb_rx_desc == 0)
1496                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1497         }
1498
1499         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1500                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1501                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1502
1503                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1504                         "should be: <= %hu, = %hu, and a product of %hu\n",
1505                         nb_rx_desc,
1506                         dev_info.rx_desc_lim.nb_max,
1507                         dev_info.rx_desc_lim.nb_min,
1508                         dev_info.rx_desc_lim.nb_align);
1509                 return -EINVAL;
1510         }
1511
1512         if (dev->data->dev_started &&
1513                 !(dev_info.dev_capa &
1514                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1515                 return -EBUSY;
1516
1517         if (dev->data->rx_queue_state[rx_queue_id] !=
1518                 RTE_ETH_QUEUE_STATE_STOPPED)
1519                 return -EBUSY;
1520
1521         rxq = dev->data->rx_queues;
1522         if (rxq[rx_queue_id]) {
1523                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1524                                         -ENOTSUP);
1525                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1526                 rxq[rx_queue_id] = NULL;
1527         }
1528
1529         if (rx_conf == NULL)
1530                 rx_conf = &dev_info.default_rxconf;
1531
1532         local_conf = *rx_conf;
1533         if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
1534                 /**
1535                  * Reflect port offloads to queue offloads in order for
1536                  * offloads to not be discarded.
1537                  */
1538                 rte_eth_convert_rx_offload_bitfield(&dev->data->dev_conf.rxmode,
1539                                                     &local_conf.offloads);
1540         }
1541
1542         /*
1543          * If an offloading has already been enabled in
1544          * rte_eth_dev_configure(), it has been enabled on all queues,
1545          * so there is no need to enable it in this queue again.
1546          * The local_conf.offloads input to underlying PMD only carries
1547          * those offloadings which are only enabled on this queue and
1548          * not enabled on all queues.
1549          */
1550         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1551
1552         /*
1553          * New added offloadings for this queue are those not enabled in
1554          * rte_eth_dev_configure() and they must be per-queue type.
1555          * A pure per-port offloading can't be enabled on a queue while
1556          * disabled on another queue. A pure per-port offloading can't
1557          * be enabled for any queue as new added one if it hasn't been
1558          * enabled in rte_eth_dev_configure().
1559          */
1560         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1561              local_conf.offloads) {
1562                 ethdev_log(ERR, "Ethdev port_id=%d rx_queue_id=%d, new "
1563                                 "added offloads 0x%" PRIx64 " must be "
1564                                 "within pre-queue offload capabilities 0x%"
1565                                 PRIx64 " in %s()\n",
1566                                 port_id,
1567                                 rx_queue_id,
1568                                 local_conf.offloads,
1569                                 dev_info.rx_queue_offload_capa,
1570                                 __func__);
1571                 /* Will return -EINVAL in the next release */
1572         }
1573
1574         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1575                                               socket_id, &local_conf, mp);
1576         if (!ret) {
1577                 if (!dev->data->min_rx_buf_size ||
1578                     dev->data->min_rx_buf_size > mbp_buf_size)
1579                         dev->data->min_rx_buf_size = mbp_buf_size;
1580         }
1581
1582         return eth_err(port_id, ret);
1583 }
1584
1585 /**
1586  * Convert from tx offloads to txq_flags.
1587  */
1588 static void
1589 rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t *txq_flags)
1590 {
1591         uint32_t flags = 0;
1592
1593         if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
1594                 flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
1595         if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
1596                 flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
1597         if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
1598                 flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
1599         if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
1600                 flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
1601         if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
1602                 flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
1603         if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1604                 flags |= ETH_TXQ_FLAGS_NOREFCOUNT | ETH_TXQ_FLAGS_NOMULTMEMP;
1605
1606         *txq_flags = flags;
1607 }
1608
1609 /**
1610  * A conversion function from txq_flags API.
1611  */
1612 static void
1613 rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
1614 {
1615         uint64_t offloads = 0;
1616
1617         if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
1618                 offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1619         if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
1620                 offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
1621         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
1622                 offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
1623         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
1624                 offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
1625         if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
1626                 offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
1627         if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
1628             (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
1629                 offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1630
1631         *tx_offloads = offloads;
1632 }
1633
1634 int
1635 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1636                        uint16_t nb_tx_desc, unsigned int socket_id,
1637                        const struct rte_eth_txconf *tx_conf)
1638 {
1639         struct rte_eth_dev *dev;
1640         struct rte_eth_dev_info dev_info;
1641         struct rte_eth_txconf local_conf;
1642         void **txq;
1643
1644         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1645
1646         dev = &rte_eth_devices[port_id];
1647         if (tx_queue_id >= dev->data->nb_tx_queues) {
1648                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1649                 return -EINVAL;
1650         }
1651
1652         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1653         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1654
1655         rte_eth_dev_info_get(port_id, &dev_info);
1656
1657         /* Use default specified by driver, if nb_tx_desc is zero */
1658         if (nb_tx_desc == 0) {
1659                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1660                 /* If driver default is zero, fall back on EAL default */
1661                 if (nb_tx_desc == 0)
1662                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1663         }
1664         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1665             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1666             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1667                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1668                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1669                                 nb_tx_desc,
1670                                 dev_info.tx_desc_lim.nb_max,
1671                                 dev_info.tx_desc_lim.nb_min,
1672                                 dev_info.tx_desc_lim.nb_align);
1673                 return -EINVAL;
1674         }
1675
1676         if (dev->data->dev_started &&
1677                 !(dev_info.dev_capa &
1678                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1679                 return -EBUSY;
1680
1681         if (dev->data->tx_queue_state[tx_queue_id] !=
1682                 RTE_ETH_QUEUE_STATE_STOPPED)
1683                 return -EBUSY;
1684
1685         txq = dev->data->tx_queues;
1686         if (txq[tx_queue_id]) {
1687                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1688                                         -ENOTSUP);
1689                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1690                 txq[tx_queue_id] = NULL;
1691         }
1692
1693         if (tx_conf == NULL)
1694                 tx_conf = &dev_info.default_txconf;
1695
1696         /*
1697          * Convert between the offloads API to enable PMDs to support
1698          * only one of them.
1699          */
1700         local_conf = *tx_conf;
1701         if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
1702                 rte_eth_convert_txq_flags(tx_conf->txq_flags,
1703                                           &local_conf.offloads);
1704         }
1705
1706         /*
1707          * If an offloading has already been enabled in
1708          * rte_eth_dev_configure(), it has been enabled on all queues,
1709          * so there is no need to enable it in this queue again.
1710          * The local_conf.offloads input to underlying PMD only carries
1711          * those offloadings which are only enabled on this queue and
1712          * not enabled on all queues.
1713          */
1714         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1715
1716         /*
1717          * New added offloadings for this queue are those not enabled in
1718          * rte_eth_dev_configure() and they must be per-queue type.
1719          * A pure per-port offloading can't be enabled on a queue while
1720          * disabled on another queue. A pure per-port offloading can't
1721          * be enabled for any queue as new added one if it hasn't been
1722          * enabled in rte_eth_dev_configure().
1723          */
1724         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1725              local_conf.offloads) {
1726                 ethdev_log(ERR, "Ethdev port_id=%d tx_queue_id=%d, new "
1727                                 "added offloads 0x%" PRIx64 " must be "
1728                                 "within pre-queue offload capabilities 0x%"
1729                                 PRIx64 " in %s()\n",
1730                                 port_id,
1731                                 tx_queue_id,
1732                                 local_conf.offloads,
1733                                 dev_info.tx_queue_offload_capa,
1734                                 __func__);
1735                 /* Will return -EINVAL in the next release */
1736         }
1737
1738         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1739                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1740 }
1741
1742 void
1743 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1744                 void *userdata __rte_unused)
1745 {
1746         unsigned i;
1747
1748         for (i = 0; i < unsent; i++)
1749                 rte_pktmbuf_free(pkts[i]);
1750 }
1751
1752 void
1753 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1754                 void *userdata)
1755 {
1756         uint64_t *count = userdata;
1757         unsigned i;
1758
1759         for (i = 0; i < unsent; i++)
1760                 rte_pktmbuf_free(pkts[i]);
1761
1762         *count += unsent;
1763 }
1764
1765 int
1766 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1767                 buffer_tx_error_fn cbfn, void *userdata)
1768 {
1769         buffer->error_callback = cbfn;
1770         buffer->error_userdata = userdata;
1771         return 0;
1772 }
1773
1774 int
1775 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1776 {
1777         int ret = 0;
1778
1779         if (buffer == NULL)
1780                 return -EINVAL;
1781
1782         buffer->size = size;
1783         if (buffer->error_callback == NULL) {
1784                 ret = rte_eth_tx_buffer_set_err_callback(
1785                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1786         }
1787
1788         return ret;
1789 }
1790
1791 int
1792 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1793 {
1794         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1795         int ret;
1796
1797         /* Validate Input Data. Bail if not valid or not supported. */
1798         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1799         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1800
1801         /* Call driver to free pending mbufs. */
1802         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1803                                                free_cnt);
1804         return eth_err(port_id, ret);
1805 }
1806
1807 void
1808 rte_eth_promiscuous_enable(uint16_t port_id)
1809 {
1810         struct rte_eth_dev *dev;
1811
1812         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1813         dev = &rte_eth_devices[port_id];
1814
1815         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1816         (*dev->dev_ops->promiscuous_enable)(dev);
1817         dev->data->promiscuous = 1;
1818 }
1819
1820 void
1821 rte_eth_promiscuous_disable(uint16_t port_id)
1822 {
1823         struct rte_eth_dev *dev;
1824
1825         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1826         dev = &rte_eth_devices[port_id];
1827
1828         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1829         dev->data->promiscuous = 0;
1830         (*dev->dev_ops->promiscuous_disable)(dev);
1831 }
1832
1833 int
1834 rte_eth_promiscuous_get(uint16_t port_id)
1835 {
1836         struct rte_eth_dev *dev;
1837
1838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1839
1840         dev = &rte_eth_devices[port_id];
1841         return dev->data->promiscuous;
1842 }
1843
1844 void
1845 rte_eth_allmulticast_enable(uint16_t port_id)
1846 {
1847         struct rte_eth_dev *dev;
1848
1849         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1850         dev = &rte_eth_devices[port_id];
1851
1852         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1853         (*dev->dev_ops->allmulticast_enable)(dev);
1854         dev->data->all_multicast = 1;
1855 }
1856
1857 void
1858 rte_eth_allmulticast_disable(uint16_t port_id)
1859 {
1860         struct rte_eth_dev *dev;
1861
1862         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1863         dev = &rte_eth_devices[port_id];
1864
1865         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1866         dev->data->all_multicast = 0;
1867         (*dev->dev_ops->allmulticast_disable)(dev);
1868 }
1869
1870 int
1871 rte_eth_allmulticast_get(uint16_t port_id)
1872 {
1873         struct rte_eth_dev *dev;
1874
1875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1876
1877         dev = &rte_eth_devices[port_id];
1878         return dev->data->all_multicast;
1879 }
1880
1881 void
1882 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1883 {
1884         struct rte_eth_dev *dev;
1885
1886         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1887         dev = &rte_eth_devices[port_id];
1888
1889         if (dev->data->dev_conf.intr_conf.lsc &&
1890             dev->data->dev_started)
1891                 rte_eth_linkstatus_get(dev, eth_link);
1892         else {
1893                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1894                 (*dev->dev_ops->link_update)(dev, 1);
1895                 *eth_link = dev->data->dev_link;
1896         }
1897 }
1898
1899 void
1900 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1901 {
1902         struct rte_eth_dev *dev;
1903
1904         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1905         dev = &rte_eth_devices[port_id];
1906
1907         if (dev->data->dev_conf.intr_conf.lsc &&
1908             dev->data->dev_started)
1909                 rte_eth_linkstatus_get(dev, eth_link);
1910         else {
1911                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1912                 (*dev->dev_ops->link_update)(dev, 0);
1913                 *eth_link = dev->data->dev_link;
1914         }
1915 }
1916
1917 int
1918 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1919 {
1920         struct rte_eth_dev *dev;
1921
1922         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1923
1924         dev = &rte_eth_devices[port_id];
1925         memset(stats, 0, sizeof(*stats));
1926
1927         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1928         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1929         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1930 }
1931
1932 int
1933 rte_eth_stats_reset(uint16_t port_id)
1934 {
1935         struct rte_eth_dev *dev;
1936
1937         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1938         dev = &rte_eth_devices[port_id];
1939
1940         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1941         (*dev->dev_ops->stats_reset)(dev);
1942         dev->data->rx_mbuf_alloc_failed = 0;
1943
1944         return 0;
1945 }
1946
1947 static inline int
1948 get_xstats_basic_count(struct rte_eth_dev *dev)
1949 {
1950         uint16_t nb_rxqs, nb_txqs;
1951         int count;
1952
1953         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1954         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1955
1956         count = RTE_NB_STATS;
1957         count += nb_rxqs * RTE_NB_RXQ_STATS;
1958         count += nb_txqs * RTE_NB_TXQ_STATS;
1959
1960         return count;
1961 }
1962
1963 static int
1964 get_xstats_count(uint16_t port_id)
1965 {
1966         struct rte_eth_dev *dev;
1967         int count;
1968
1969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1970         dev = &rte_eth_devices[port_id];
1971         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1972                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1973                                 NULL, 0);
1974                 if (count < 0)
1975                         return eth_err(port_id, count);
1976         }
1977         if (dev->dev_ops->xstats_get_names != NULL) {
1978                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1979                 if (count < 0)
1980                         return eth_err(port_id, count);
1981         } else
1982                 count = 0;
1983
1984
1985         count += get_xstats_basic_count(dev);
1986
1987         return count;
1988 }
1989
1990 int
1991 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
1992                 uint64_t *id)
1993 {
1994         int cnt_xstats, idx_xstat;
1995
1996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1997
1998         if (!id) {
1999                 RTE_PMD_DEBUG_TRACE("Error: id pointer is NULL\n");
2000                 return -ENOMEM;
2001         }
2002
2003         if (!xstat_name) {
2004                 RTE_PMD_DEBUG_TRACE("Error: xstat_name pointer is NULL\n");
2005                 return -ENOMEM;
2006         }
2007
2008         /* Get count */
2009         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2010         if (cnt_xstats  < 0) {
2011                 RTE_PMD_DEBUG_TRACE("Error: Cannot get count of xstats\n");
2012                 return -ENODEV;
2013         }
2014
2015         /* Get id-name lookup table */
2016         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2017
2018         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2019                         port_id, xstats_names, cnt_xstats, NULL)) {
2020                 RTE_PMD_DEBUG_TRACE("Error: Cannot get xstats lookup\n");
2021                 return -1;
2022         }
2023
2024         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2025                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2026                         *id = idx_xstat;
2027                         return 0;
2028                 };
2029         }
2030
2031         return -EINVAL;
2032 }
2033
2034 /* retrieve basic stats names */
2035 static int
2036 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2037         struct rte_eth_xstat_name *xstats_names)
2038 {
2039         int cnt_used_entries = 0;
2040         uint32_t idx, id_queue;
2041         uint16_t num_q;
2042
2043         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2044                 snprintf(xstats_names[cnt_used_entries].name,
2045                         sizeof(xstats_names[0].name),
2046                         "%s", rte_stats_strings[idx].name);
2047                 cnt_used_entries++;
2048         }
2049         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2050         for (id_queue = 0; id_queue < num_q; id_queue++) {
2051                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2052                         snprintf(xstats_names[cnt_used_entries].name,
2053                                 sizeof(xstats_names[0].name),
2054                                 "rx_q%u%s",
2055                                 id_queue, rte_rxq_stats_strings[idx].name);
2056                         cnt_used_entries++;
2057                 }
2058
2059         }
2060         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2061         for (id_queue = 0; id_queue < num_q; id_queue++) {
2062                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2063                         snprintf(xstats_names[cnt_used_entries].name,
2064                                 sizeof(xstats_names[0].name),
2065                                 "tx_q%u%s",
2066                                 id_queue, rte_txq_stats_strings[idx].name);
2067                         cnt_used_entries++;
2068                 }
2069         }
2070         return cnt_used_entries;
2071 }
2072
2073 /* retrieve ethdev extended statistics names */
2074 int
2075 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2076         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2077         uint64_t *ids)
2078 {
2079         struct rte_eth_xstat_name *xstats_names_copy;
2080         unsigned int no_basic_stat_requested = 1;
2081         unsigned int no_ext_stat_requested = 1;
2082         unsigned int expected_entries;
2083         unsigned int basic_count;
2084         struct rte_eth_dev *dev;
2085         unsigned int i;
2086         int ret;
2087
2088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2089         dev = &rte_eth_devices[port_id];
2090
2091         basic_count = get_xstats_basic_count(dev);
2092         ret = get_xstats_count(port_id);
2093         if (ret < 0)
2094                 return ret;
2095         expected_entries = (unsigned int)ret;
2096
2097         /* Return max number of stats if no ids given */
2098         if (!ids) {
2099                 if (!xstats_names)
2100                         return expected_entries;
2101                 else if (xstats_names && size < expected_entries)
2102                         return expected_entries;
2103         }
2104
2105         if (ids && !xstats_names)
2106                 return -EINVAL;
2107
2108         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2109                 uint64_t ids_copy[size];
2110
2111                 for (i = 0; i < size; i++) {
2112                         if (ids[i] < basic_count) {
2113                                 no_basic_stat_requested = 0;
2114                                 break;
2115                         }
2116
2117                         /*
2118                          * Convert ids to xstats ids that PMD knows.
2119                          * ids known by user are basic + extended stats.
2120                          */
2121                         ids_copy[i] = ids[i] - basic_count;
2122                 }
2123
2124                 if (no_basic_stat_requested)
2125                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2126                                         xstats_names, ids_copy, size);
2127         }
2128
2129         /* Retrieve all stats */
2130         if (!ids) {
2131                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2132                                 expected_entries);
2133                 if (num_stats < 0 || num_stats > (int)expected_entries)
2134                         return num_stats;
2135                 else
2136                         return expected_entries;
2137         }
2138
2139         xstats_names_copy = calloc(expected_entries,
2140                 sizeof(struct rte_eth_xstat_name));
2141
2142         if (!xstats_names_copy) {
2143                 RTE_PMD_DEBUG_TRACE("ERROR: can't allocate memory");
2144                 return -ENOMEM;
2145         }
2146
2147         if (ids) {
2148                 for (i = 0; i < size; i++) {
2149                         if (ids[i] >= basic_count) {
2150                                 no_ext_stat_requested = 0;
2151                                 break;
2152                         }
2153                 }
2154         }
2155
2156         /* Fill xstats_names_copy structure */
2157         if (ids && no_ext_stat_requested) {
2158                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2159         } else {
2160                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2161                         expected_entries);
2162                 if (ret < 0) {
2163                         free(xstats_names_copy);
2164                         return ret;
2165                 }
2166         }
2167
2168         /* Filter stats */
2169         for (i = 0; i < size; i++) {
2170                 if (ids[i] >= expected_entries) {
2171                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2172                         free(xstats_names_copy);
2173                         return -1;
2174                 }
2175                 xstats_names[i] = xstats_names_copy[ids[i]];
2176         }
2177
2178         free(xstats_names_copy);
2179         return size;
2180 }
2181
2182 int
2183 rte_eth_xstats_get_names(uint16_t port_id,
2184         struct rte_eth_xstat_name *xstats_names,
2185         unsigned int size)
2186 {
2187         struct rte_eth_dev *dev;
2188         int cnt_used_entries;
2189         int cnt_expected_entries;
2190         int cnt_driver_entries;
2191
2192         cnt_expected_entries = get_xstats_count(port_id);
2193         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2194                         (int)size < cnt_expected_entries)
2195                 return cnt_expected_entries;
2196
2197         /* port_id checked in get_xstats_count() */
2198         dev = &rte_eth_devices[port_id];
2199
2200         cnt_used_entries = rte_eth_basic_stats_get_names(
2201                 dev, xstats_names);
2202
2203         if (dev->dev_ops->xstats_get_names != NULL) {
2204                 /* If there are any driver-specific xstats, append them
2205                  * to end of list.
2206                  */
2207                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2208                         dev,
2209                         xstats_names + cnt_used_entries,
2210                         size - cnt_used_entries);
2211                 if (cnt_driver_entries < 0)
2212                         return eth_err(port_id, cnt_driver_entries);
2213                 cnt_used_entries += cnt_driver_entries;
2214         }
2215
2216         return cnt_used_entries;
2217 }
2218
2219
2220 static int
2221 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2222 {
2223         struct rte_eth_dev *dev;
2224         struct rte_eth_stats eth_stats;
2225         unsigned int count = 0, i, q;
2226         uint64_t val, *stats_ptr;
2227         uint16_t nb_rxqs, nb_txqs;
2228         int ret;
2229
2230         ret = rte_eth_stats_get(port_id, &eth_stats);
2231         if (ret < 0)
2232                 return ret;
2233
2234         dev = &rte_eth_devices[port_id];
2235
2236         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2237         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2238
2239         /* global stats */
2240         for (i = 0; i < RTE_NB_STATS; i++) {
2241                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2242                                         rte_stats_strings[i].offset);
2243                 val = *stats_ptr;
2244                 xstats[count++].value = val;
2245         }
2246
2247         /* per-rxq stats */
2248         for (q = 0; q < nb_rxqs; q++) {
2249                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2250                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2251                                         rte_rxq_stats_strings[i].offset +
2252                                         q * sizeof(uint64_t));
2253                         val = *stats_ptr;
2254                         xstats[count++].value = val;
2255                 }
2256         }
2257
2258         /* per-txq stats */
2259         for (q = 0; q < nb_txqs; q++) {
2260                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2261                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2262                                         rte_txq_stats_strings[i].offset +
2263                                         q * sizeof(uint64_t));
2264                         val = *stats_ptr;
2265                         xstats[count++].value = val;
2266                 }
2267         }
2268         return count;
2269 }
2270
2271 /* retrieve ethdev extended statistics */
2272 int
2273 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2274                          uint64_t *values, unsigned int size)
2275 {
2276         unsigned int no_basic_stat_requested = 1;
2277         unsigned int no_ext_stat_requested = 1;
2278         unsigned int num_xstats_filled;
2279         unsigned int basic_count;
2280         uint16_t expected_entries;
2281         struct rte_eth_dev *dev;
2282         unsigned int i;
2283         int ret;
2284
2285         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2286         ret = get_xstats_count(port_id);
2287         if (ret < 0)
2288                 return ret;
2289         expected_entries = (uint16_t)ret;
2290         struct rte_eth_xstat xstats[expected_entries];
2291         dev = &rte_eth_devices[port_id];
2292         basic_count = get_xstats_basic_count(dev);
2293
2294         /* Return max number of stats if no ids given */
2295         if (!ids) {
2296                 if (!values)
2297                         return expected_entries;
2298                 else if (values && size < expected_entries)
2299                         return expected_entries;
2300         }
2301
2302         if (ids && !values)
2303                 return -EINVAL;
2304
2305         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2306                 unsigned int basic_count = get_xstats_basic_count(dev);
2307                 uint64_t ids_copy[size];
2308
2309                 for (i = 0; i < size; i++) {
2310                         if (ids[i] < basic_count) {
2311                                 no_basic_stat_requested = 0;
2312                                 break;
2313                         }
2314
2315                         /*
2316                          * Convert ids to xstats ids that PMD knows.
2317                          * ids known by user are basic + extended stats.
2318                          */
2319                         ids_copy[i] = ids[i] - basic_count;
2320                 }
2321
2322                 if (no_basic_stat_requested)
2323                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2324                                         values, size);
2325         }
2326
2327         if (ids) {
2328                 for (i = 0; i < size; i++) {
2329                         if (ids[i] >= basic_count) {
2330                                 no_ext_stat_requested = 0;
2331                                 break;
2332                         }
2333                 }
2334         }
2335
2336         /* Fill the xstats structure */
2337         if (ids && no_ext_stat_requested)
2338                 ret = rte_eth_basic_stats_get(port_id, xstats);
2339         else
2340                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2341
2342         if (ret < 0)
2343                 return ret;
2344         num_xstats_filled = (unsigned int)ret;
2345
2346         /* Return all stats */
2347         if (!ids) {
2348                 for (i = 0; i < num_xstats_filled; i++)
2349                         values[i] = xstats[i].value;
2350                 return expected_entries;
2351         }
2352
2353         /* Filter stats */
2354         for (i = 0; i < size; i++) {
2355                 if (ids[i] >= expected_entries) {
2356                         RTE_PMD_DEBUG_TRACE("ERROR: id value isn't valid\n");
2357                         return -1;
2358                 }
2359                 values[i] = xstats[ids[i]].value;
2360         }
2361         return size;
2362 }
2363
2364 int
2365 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2366         unsigned int n)
2367 {
2368         struct rte_eth_dev *dev;
2369         unsigned int count = 0, i;
2370         signed int xcount = 0;
2371         uint16_t nb_rxqs, nb_txqs;
2372         int ret;
2373
2374         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2375
2376         dev = &rte_eth_devices[port_id];
2377
2378         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2379         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2380
2381         /* Return generic statistics */
2382         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2383                 (nb_txqs * RTE_NB_TXQ_STATS);
2384
2385         /* implemented by the driver */
2386         if (dev->dev_ops->xstats_get != NULL) {
2387                 /* Retrieve the xstats from the driver at the end of the
2388                  * xstats struct.
2389                  */
2390                 xcount = (*dev->dev_ops->xstats_get)(dev,
2391                                      xstats ? xstats + count : NULL,
2392                                      (n > count) ? n - count : 0);
2393
2394                 if (xcount < 0)
2395                         return eth_err(port_id, xcount);
2396         }
2397
2398         if (n < count + xcount || xstats == NULL)
2399                 return count + xcount;
2400
2401         /* now fill the xstats structure */
2402         ret = rte_eth_basic_stats_get(port_id, xstats);
2403         if (ret < 0)
2404                 return ret;
2405         count = ret;
2406
2407         for (i = 0; i < count; i++)
2408                 xstats[i].id = i;
2409         /* add an offset to driver-specific stats */
2410         for ( ; i < count + xcount; i++)
2411                 xstats[i].id += count;
2412
2413         return count + xcount;
2414 }
2415
2416 /* reset ethdev extended statistics */
2417 void
2418 rte_eth_xstats_reset(uint16_t port_id)
2419 {
2420         struct rte_eth_dev *dev;
2421
2422         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2423         dev = &rte_eth_devices[port_id];
2424
2425         /* implemented by the driver */
2426         if (dev->dev_ops->xstats_reset != NULL) {
2427                 (*dev->dev_ops->xstats_reset)(dev);
2428                 return;
2429         }
2430
2431         /* fallback to default */
2432         rte_eth_stats_reset(port_id);
2433 }
2434
2435 static int
2436 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2437                 uint8_t is_rx)
2438 {
2439         struct rte_eth_dev *dev;
2440
2441         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2442
2443         dev = &rte_eth_devices[port_id];
2444
2445         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2446         return (*dev->dev_ops->queue_stats_mapping_set)
2447                         (dev, queue_id, stat_idx, is_rx);
2448 }
2449
2450
2451 int
2452 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2453                 uint8_t stat_idx)
2454 {
2455         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2456                                                 stat_idx, STAT_QMAP_TX));
2457 }
2458
2459
2460 int
2461 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2462                 uint8_t stat_idx)
2463 {
2464         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2465                                                 stat_idx, STAT_QMAP_RX));
2466 }
2467
2468 int
2469 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2470 {
2471         struct rte_eth_dev *dev;
2472
2473         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2474         dev = &rte_eth_devices[port_id];
2475
2476         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2477         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2478                                                         fw_version, fw_size));
2479 }
2480
2481 void
2482 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2483 {
2484         struct rte_eth_dev *dev;
2485         struct rte_eth_txconf *txconf;
2486         const struct rte_eth_desc_lim lim = {
2487                 .nb_max = UINT16_MAX,
2488                 .nb_min = 0,
2489                 .nb_align = 1,
2490         };
2491
2492         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2493         dev = &rte_eth_devices[port_id];
2494
2495         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2496         dev_info->rx_desc_lim = lim;
2497         dev_info->tx_desc_lim = lim;
2498         dev_info->device = dev->device;
2499
2500         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2501         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2502         dev_info->driver_name = dev->device->driver->name;
2503         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2504         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2505
2506         dev_info->dev_flags = &dev->data->dev_flags;
2507         txconf = &dev_info->default_txconf;
2508         /* convert offload to txq_flags to support legacy app */
2509         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
2510 }
2511
2512 int
2513 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2514                                  uint32_t *ptypes, int num)
2515 {
2516         int i, j;
2517         struct rte_eth_dev *dev;
2518         const uint32_t *all_ptypes;
2519
2520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2521         dev = &rte_eth_devices[port_id];
2522         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2523         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2524
2525         if (!all_ptypes)
2526                 return 0;
2527
2528         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2529                 if (all_ptypes[i] & ptype_mask) {
2530                         if (j < num)
2531                                 ptypes[j] = all_ptypes[i];
2532                         j++;
2533                 }
2534
2535         return j;
2536 }
2537
2538 void
2539 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2540 {
2541         struct rte_eth_dev *dev;
2542
2543         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2544         dev = &rte_eth_devices[port_id];
2545         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2546 }
2547
2548
2549 int
2550 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2551 {
2552         struct rte_eth_dev *dev;
2553
2554         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2555
2556         dev = &rte_eth_devices[port_id];
2557         *mtu = dev->data->mtu;
2558         return 0;
2559 }
2560
2561 int
2562 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2563 {
2564         int ret;
2565         struct rte_eth_dev *dev;
2566
2567         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2568         dev = &rte_eth_devices[port_id];
2569         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2570
2571         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2572         if (!ret)
2573                 dev->data->mtu = mtu;
2574
2575         return eth_err(port_id, ret);
2576 }
2577
2578 int
2579 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2580 {
2581         struct rte_eth_dev *dev;
2582         int ret;
2583
2584         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2585         dev = &rte_eth_devices[port_id];
2586         if (!(dev->data->dev_conf.rxmode.offloads &
2587               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2588                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
2589                 return -ENOSYS;
2590         }
2591
2592         if (vlan_id > 4095) {
2593                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
2594                                 port_id, (unsigned) vlan_id);
2595                 return -EINVAL;
2596         }
2597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2598
2599         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2600         if (ret == 0) {
2601                 struct rte_vlan_filter_conf *vfc;
2602                 int vidx;
2603                 int vbit;
2604
2605                 vfc = &dev->data->vlan_filter_conf;
2606                 vidx = vlan_id / 64;
2607                 vbit = vlan_id % 64;
2608
2609                 if (on)
2610                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2611                 else
2612                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2613         }
2614
2615         return eth_err(port_id, ret);
2616 }
2617
2618 int
2619 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2620                                     int on)
2621 {
2622         struct rte_eth_dev *dev;
2623
2624         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2625         dev = &rte_eth_devices[port_id];
2626         if (rx_queue_id >= dev->data->nb_rx_queues) {
2627                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
2628                 return -EINVAL;
2629         }
2630
2631         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2632         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2633
2634         return 0;
2635 }
2636
2637 int
2638 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2639                                 enum rte_vlan_type vlan_type,
2640                                 uint16_t tpid)
2641 {
2642         struct rte_eth_dev *dev;
2643
2644         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2645         dev = &rte_eth_devices[port_id];
2646         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2647
2648         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2649                                                                tpid));
2650 }
2651
2652 int
2653 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2654 {
2655         struct rte_eth_dev *dev;
2656         int ret = 0;
2657         int mask = 0;
2658         int cur, org = 0;
2659         uint64_t orig_offloads;
2660
2661         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2662         dev = &rte_eth_devices[port_id];
2663
2664         /* save original values in case of failure */
2665         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2666
2667         /*check which option changed by application*/
2668         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2669         org = !!(dev->data->dev_conf.rxmode.offloads &
2670                  DEV_RX_OFFLOAD_VLAN_STRIP);
2671         if (cur != org) {
2672                 if (cur)
2673                         dev->data->dev_conf.rxmode.offloads |=
2674                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2675                 else
2676                         dev->data->dev_conf.rxmode.offloads &=
2677                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2678                 mask |= ETH_VLAN_STRIP_MASK;
2679         }
2680
2681         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2682         org = !!(dev->data->dev_conf.rxmode.offloads &
2683                  DEV_RX_OFFLOAD_VLAN_FILTER);
2684         if (cur != org) {
2685                 if (cur)
2686                         dev->data->dev_conf.rxmode.offloads |=
2687                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2688                 else
2689                         dev->data->dev_conf.rxmode.offloads &=
2690                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2691                 mask |= ETH_VLAN_FILTER_MASK;
2692         }
2693
2694         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2695         org = !!(dev->data->dev_conf.rxmode.offloads &
2696                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2697         if (cur != org) {
2698                 if (cur)
2699                         dev->data->dev_conf.rxmode.offloads |=
2700                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2701                 else
2702                         dev->data->dev_conf.rxmode.offloads &=
2703                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2704                 mask |= ETH_VLAN_EXTEND_MASK;
2705         }
2706
2707         /*no change*/
2708         if (mask == 0)
2709                 return ret;
2710
2711         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2712         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2713         if (ret) {
2714                 /* hit an error restore  original values */
2715                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2716         }
2717
2718         return eth_err(port_id, ret);
2719 }
2720
2721 int
2722 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2723 {
2724         struct rte_eth_dev *dev;
2725         int ret = 0;
2726
2727         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2728         dev = &rte_eth_devices[port_id];
2729
2730         if (dev->data->dev_conf.rxmode.offloads &
2731             DEV_RX_OFFLOAD_VLAN_STRIP)
2732                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2733
2734         if (dev->data->dev_conf.rxmode.offloads &
2735             DEV_RX_OFFLOAD_VLAN_FILTER)
2736                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2737
2738         if (dev->data->dev_conf.rxmode.offloads &
2739             DEV_RX_OFFLOAD_VLAN_EXTEND)
2740                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2741
2742         return ret;
2743 }
2744
2745 int
2746 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2747 {
2748         struct rte_eth_dev *dev;
2749
2750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2751         dev = &rte_eth_devices[port_id];
2752         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2753
2754         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2755 }
2756
2757 int
2758 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2759 {
2760         struct rte_eth_dev *dev;
2761
2762         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2763         dev = &rte_eth_devices[port_id];
2764         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2765         memset(fc_conf, 0, sizeof(*fc_conf));
2766         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2767 }
2768
2769 int
2770 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2771 {
2772         struct rte_eth_dev *dev;
2773
2774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2775         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2776                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2777                 return -EINVAL;
2778         }
2779
2780         dev = &rte_eth_devices[port_id];
2781         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2782         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2783 }
2784
2785 int
2786 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2787                                    struct rte_eth_pfc_conf *pfc_conf)
2788 {
2789         struct rte_eth_dev *dev;
2790
2791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2793                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2794                 return -EINVAL;
2795         }
2796
2797         dev = &rte_eth_devices[port_id];
2798         /* High water, low water validation are device specific */
2799         if  (*dev->dev_ops->priority_flow_ctrl_set)
2800                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2801                                         (dev, pfc_conf));
2802         return -ENOTSUP;
2803 }
2804
2805 static int
2806 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2807                         uint16_t reta_size)
2808 {
2809         uint16_t i, num;
2810
2811         if (!reta_conf)
2812                 return -EINVAL;
2813
2814         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2815         for (i = 0; i < num; i++) {
2816                 if (reta_conf[i].mask)
2817                         return 0;
2818         }
2819
2820         return -EINVAL;
2821 }
2822
2823 static int
2824 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2825                          uint16_t reta_size,
2826                          uint16_t max_rxq)
2827 {
2828         uint16_t i, idx, shift;
2829
2830         if (!reta_conf)
2831                 return -EINVAL;
2832
2833         if (max_rxq == 0) {
2834                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
2835                 return -EINVAL;
2836         }
2837
2838         for (i = 0; i < reta_size; i++) {
2839                 idx = i / RTE_RETA_GROUP_SIZE;
2840                 shift = i % RTE_RETA_GROUP_SIZE;
2841                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2842                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2843                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2844                                 "the maximum rxq index: %u\n", idx, shift,
2845                                 reta_conf[idx].reta[shift], max_rxq);
2846                         return -EINVAL;
2847                 }
2848         }
2849
2850         return 0;
2851 }
2852
2853 int
2854 rte_eth_dev_rss_reta_update(uint16_t port_id,
2855                             struct rte_eth_rss_reta_entry64 *reta_conf,
2856                             uint16_t reta_size)
2857 {
2858         struct rte_eth_dev *dev;
2859         int ret;
2860
2861         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2862         /* Check mask bits */
2863         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2864         if (ret < 0)
2865                 return ret;
2866
2867         dev = &rte_eth_devices[port_id];
2868
2869         /* Check entry value */
2870         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2871                                 dev->data->nb_rx_queues);
2872         if (ret < 0)
2873                 return ret;
2874
2875         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2876         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2877                                                              reta_size));
2878 }
2879
2880 int
2881 rte_eth_dev_rss_reta_query(uint16_t port_id,
2882                            struct rte_eth_rss_reta_entry64 *reta_conf,
2883                            uint16_t reta_size)
2884 {
2885         struct rte_eth_dev *dev;
2886         int ret;
2887
2888         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2889
2890         /* Check mask bits */
2891         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2892         if (ret < 0)
2893                 return ret;
2894
2895         dev = &rte_eth_devices[port_id];
2896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2897         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2898                                                             reta_size));
2899 }
2900
2901 int
2902 rte_eth_dev_rss_hash_update(uint16_t port_id,
2903                             struct rte_eth_rss_conf *rss_conf)
2904 {
2905         struct rte_eth_dev *dev;
2906         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2907
2908         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2909         dev = &rte_eth_devices[port_id];
2910         rte_eth_dev_info_get(port_id, &dev_info);
2911         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2912             dev_info.flow_type_rss_offloads) {
2913                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d invalid rss_hf: "
2914                                     "0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2915                                     port_id,
2916                                     rss_conf->rss_hf,
2917                                     dev_info.flow_type_rss_offloads);
2918         }
2919         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2920         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2921                                                                  rss_conf));
2922 }
2923
2924 int
2925 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2926                               struct rte_eth_rss_conf *rss_conf)
2927 {
2928         struct rte_eth_dev *dev;
2929
2930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2931         dev = &rte_eth_devices[port_id];
2932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2933         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2934                                                                    rss_conf));
2935 }
2936
2937 int
2938 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2939                                 struct rte_eth_udp_tunnel *udp_tunnel)
2940 {
2941         struct rte_eth_dev *dev;
2942
2943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2944         if (udp_tunnel == NULL) {
2945                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2946                 return -EINVAL;
2947         }
2948
2949         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2950                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2951                 return -EINVAL;
2952         }
2953
2954         dev = &rte_eth_devices[port_id];
2955         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2956         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2957                                                                 udp_tunnel));
2958 }
2959
2960 int
2961 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2962                                    struct rte_eth_udp_tunnel *udp_tunnel)
2963 {
2964         struct rte_eth_dev *dev;
2965
2966         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2967         dev = &rte_eth_devices[port_id];
2968
2969         if (udp_tunnel == NULL) {
2970                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2971                 return -EINVAL;
2972         }
2973
2974         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2975                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2976                 return -EINVAL;
2977         }
2978
2979         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2980         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
2981                                                                 udp_tunnel));
2982 }
2983
2984 int
2985 rte_eth_led_on(uint16_t port_id)
2986 {
2987         struct rte_eth_dev *dev;
2988
2989         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2990         dev = &rte_eth_devices[port_id];
2991         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2992         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
2993 }
2994
2995 int
2996 rte_eth_led_off(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_off, -ENOTSUP);
3003         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3004 }
3005
3006 /*
3007  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3008  * an empty spot.
3009  */
3010 static int
3011 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3012 {
3013         struct rte_eth_dev_info dev_info;
3014         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3015         unsigned i;
3016
3017         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3018         rte_eth_dev_info_get(port_id, &dev_info);
3019
3020         for (i = 0; i < dev_info.max_mac_addrs; i++)
3021                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3022                         return i;
3023
3024         return -1;
3025 }
3026
3027 static const struct ether_addr null_mac_addr;
3028
3029 int
3030 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3031                         uint32_t pool)
3032 {
3033         struct rte_eth_dev *dev;
3034         int index;
3035         uint64_t pool_mask;
3036         int ret;
3037
3038         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3039         dev = &rte_eth_devices[port_id];
3040         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3041
3042         if (is_zero_ether_addr(addr)) {
3043                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3044                         port_id);
3045                 return -EINVAL;
3046         }
3047         if (pool >= ETH_64_POOLS) {
3048                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
3049                 return -EINVAL;
3050         }
3051
3052         index = get_mac_addr_index(port_id, addr);
3053         if (index < 0) {
3054                 index = get_mac_addr_index(port_id, &null_mac_addr);
3055                 if (index < 0) {
3056                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3057                                 port_id);
3058                         return -ENOSPC;
3059                 }
3060         } else {
3061                 pool_mask = dev->data->mac_pool_sel[index];
3062
3063                 /* Check if both MAC address and pool is already there, and do nothing */
3064                 if (pool_mask & (1ULL << pool))
3065                         return 0;
3066         }
3067
3068         /* Update NIC */
3069         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3070
3071         if (ret == 0) {
3072                 /* Update address in NIC data structure */
3073                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3074
3075                 /* Update pool bitmap in NIC data structure */
3076                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3077         }
3078
3079         return eth_err(port_id, ret);
3080 }
3081
3082 int
3083 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3084 {
3085         struct rte_eth_dev *dev;
3086         int index;
3087
3088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3089         dev = &rte_eth_devices[port_id];
3090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3091
3092         index = get_mac_addr_index(port_id, addr);
3093         if (index == 0) {
3094                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
3095                 return -EADDRINUSE;
3096         } else if (index < 0)
3097                 return 0;  /* Do nothing if address wasn't found */
3098
3099         /* Update NIC */
3100         (*dev->dev_ops->mac_addr_remove)(dev, index);
3101
3102         /* Update address in NIC data structure */
3103         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3104
3105         /* reset pool bitmap */
3106         dev->data->mac_pool_sel[index] = 0;
3107
3108         return 0;
3109 }
3110
3111 int
3112 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3113 {
3114         struct rte_eth_dev *dev;
3115         int ret;
3116
3117         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3118
3119         if (!is_valid_assigned_ether_addr(addr))
3120                 return -EINVAL;
3121
3122         dev = &rte_eth_devices[port_id];
3123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3124
3125         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3126         if (ret < 0)
3127                 return ret;
3128
3129         /* Update default address in NIC data structure */
3130         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3131
3132         return 0;
3133 }
3134
3135
3136 /*
3137  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3138  * an empty spot.
3139  */
3140 static int
3141 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3142 {
3143         struct rte_eth_dev_info dev_info;
3144         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3145         unsigned i;
3146
3147         rte_eth_dev_info_get(port_id, &dev_info);
3148         if (!dev->data->hash_mac_addrs)
3149                 return -1;
3150
3151         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3152                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3153                         ETHER_ADDR_LEN) == 0)
3154                         return i;
3155
3156         return -1;
3157 }
3158
3159 int
3160 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3161                                 uint8_t on)
3162 {
3163         int index;
3164         int ret;
3165         struct rte_eth_dev *dev;
3166
3167         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3168
3169         dev = &rte_eth_devices[port_id];
3170         if (is_zero_ether_addr(addr)) {
3171                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
3172                         port_id);
3173                 return -EINVAL;
3174         }
3175
3176         index = get_hash_mac_addr_index(port_id, addr);
3177         /* Check if it's already there, and do nothing */
3178         if ((index >= 0) && on)
3179                 return 0;
3180
3181         if (index < 0) {
3182                 if (!on) {
3183                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
3184                                 "set in UTA\n", port_id);
3185                         return -EINVAL;
3186                 }
3187
3188                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3189                 if (index < 0) {
3190                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
3191                                         port_id);
3192                         return -ENOSPC;
3193                 }
3194         }
3195
3196         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3197         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3198         if (ret == 0) {
3199                 /* Update address in NIC data structure */
3200                 if (on)
3201                         ether_addr_copy(addr,
3202                                         &dev->data->hash_mac_addrs[index]);
3203                 else
3204                         ether_addr_copy(&null_mac_addr,
3205                                         &dev->data->hash_mac_addrs[index]);
3206         }
3207
3208         return eth_err(port_id, ret);
3209 }
3210
3211 int
3212 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3213 {
3214         struct rte_eth_dev *dev;
3215
3216         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3217
3218         dev = &rte_eth_devices[port_id];
3219
3220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3221         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3222                                                                        on));
3223 }
3224
3225 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3226                                         uint16_t tx_rate)
3227 {
3228         struct rte_eth_dev *dev;
3229         struct rte_eth_dev_info dev_info;
3230         struct rte_eth_link link;
3231
3232         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3233
3234         dev = &rte_eth_devices[port_id];
3235         rte_eth_dev_info_get(port_id, &dev_info);
3236         link = dev->data->dev_link;
3237
3238         if (queue_idx > dev_info.max_tx_queues) {
3239                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
3240                                 "invalid queue id=%d\n", port_id, queue_idx);
3241                 return -EINVAL;
3242         }
3243
3244         if (tx_rate > link.link_speed) {
3245                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
3246                                 "bigger than link speed= %d\n",
3247                         tx_rate, link.link_speed);
3248                 return -EINVAL;
3249         }
3250
3251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3252         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3253                                                         queue_idx, tx_rate));
3254 }
3255
3256 int
3257 rte_eth_mirror_rule_set(uint16_t port_id,
3258                         struct rte_eth_mirror_conf *mirror_conf,
3259                         uint8_t rule_id, uint8_t on)
3260 {
3261         struct rte_eth_dev *dev;
3262
3263         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3264         if (mirror_conf->rule_type == 0) {
3265                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3266                 return -EINVAL;
3267         }
3268
3269         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3270                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
3271                                 ETH_64_POOLS - 1);
3272                 return -EINVAL;
3273         }
3274
3275         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3276              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3277             (mirror_conf->pool_mask == 0)) {
3278                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
3279                 return -EINVAL;
3280         }
3281
3282         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3283             mirror_conf->vlan.vlan_mask == 0) {
3284                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
3285                 return -EINVAL;
3286         }
3287
3288         dev = &rte_eth_devices[port_id];
3289         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3290
3291         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3292                                                 mirror_conf, rule_id, on));
3293 }
3294
3295 int
3296 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3297 {
3298         struct rte_eth_dev *dev;
3299
3300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3301
3302         dev = &rte_eth_devices[port_id];
3303         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3304
3305         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3306                                                                    rule_id));
3307 }
3308
3309 RTE_INIT(eth_dev_init_cb_lists)
3310 {
3311         int i;
3312
3313         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3314                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3315 }
3316
3317 int
3318 rte_eth_dev_callback_register(uint16_t port_id,
3319                         enum rte_eth_event_type event,
3320                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3321 {
3322         struct rte_eth_dev *dev;
3323         struct rte_eth_dev_callback *user_cb;
3324         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3325         uint16_t last_port;
3326
3327         if (!cb_fn)
3328                 return -EINVAL;
3329
3330         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3331                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3332                 return -EINVAL;
3333         }
3334
3335         if (port_id == RTE_ETH_ALL) {
3336                 next_port = 0;
3337                 last_port = RTE_MAX_ETHPORTS - 1;
3338         } else {
3339                 next_port = last_port = port_id;
3340         }
3341
3342         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3343
3344         do {
3345                 dev = &rte_eth_devices[next_port];
3346
3347                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3348                         if (user_cb->cb_fn == cb_fn &&
3349                                 user_cb->cb_arg == cb_arg &&
3350                                 user_cb->event == event) {
3351                                 break;
3352                         }
3353                 }
3354
3355                 /* create a new callback. */
3356                 if (user_cb == NULL) {
3357                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3358                                 sizeof(struct rte_eth_dev_callback), 0);
3359                         if (user_cb != NULL) {
3360                                 user_cb->cb_fn = cb_fn;
3361                                 user_cb->cb_arg = cb_arg;
3362                                 user_cb->event = event;
3363                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3364                                                   user_cb, next);
3365                         } else {
3366                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3367                                 rte_eth_dev_callback_unregister(port_id, event,
3368                                                                 cb_fn, cb_arg);
3369                                 return -ENOMEM;
3370                         }
3371
3372                 }
3373         } while (++next_port <= last_port);
3374
3375         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3376         return 0;
3377 }
3378
3379 int
3380 rte_eth_dev_callback_unregister(uint16_t port_id,
3381                         enum rte_eth_event_type event,
3382                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3383 {
3384         int ret;
3385         struct rte_eth_dev *dev;
3386         struct rte_eth_dev_callback *cb, *next;
3387         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3388         uint16_t last_port;
3389
3390         if (!cb_fn)
3391                 return -EINVAL;
3392
3393         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3394                 ethdev_log(ERR, "Invalid port_id=%d", port_id);
3395                 return -EINVAL;
3396         }
3397
3398         if (port_id == RTE_ETH_ALL) {
3399                 next_port = 0;
3400                 last_port = RTE_MAX_ETHPORTS - 1;
3401         } else {
3402                 next_port = last_port = port_id;
3403         }
3404
3405         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3406
3407         do {
3408                 dev = &rte_eth_devices[next_port];
3409                 ret = 0;
3410                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3411                      cb = next) {
3412
3413                         next = TAILQ_NEXT(cb, next);
3414
3415                         if (cb->cb_fn != cb_fn || cb->event != event ||
3416                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3417                                 continue;
3418
3419                         /*
3420                          * if this callback is not executing right now,
3421                          * then remove it.
3422                          */
3423                         if (cb->active == 0) {
3424                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3425                                 rte_free(cb);
3426                         } else {
3427                                 ret = -EAGAIN;
3428                         }
3429                 }
3430         } while (++next_port <= last_port);
3431
3432         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3433         return ret;
3434 }
3435
3436 int
3437 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3438         enum rte_eth_event_type event, void *ret_param)
3439 {
3440         struct rte_eth_dev_callback *cb_lst;
3441         struct rte_eth_dev_callback dev_cb;
3442         int rc = 0;
3443
3444         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3445         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3446                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3447                         continue;
3448                 dev_cb = *cb_lst;
3449                 cb_lst->active = 1;
3450                 if (ret_param != NULL)
3451                         dev_cb.ret_param = ret_param;
3452
3453                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3454                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3455                                 dev_cb.cb_arg, dev_cb.ret_param);
3456                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3457                 cb_lst->active = 0;
3458         }
3459         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3460         return rc;
3461 }
3462
3463 void
3464 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3465 {
3466         if (dev == NULL)
3467                 return;
3468 }
3469
3470 int
3471 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3472 {
3473         uint32_t vec;
3474         struct rte_eth_dev *dev;
3475         struct rte_intr_handle *intr_handle;
3476         uint16_t qid;
3477         int rc;
3478
3479         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3480
3481         dev = &rte_eth_devices[port_id];
3482
3483         if (!dev->intr_handle) {
3484                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3485                 return -ENOTSUP;
3486         }
3487
3488         intr_handle = dev->intr_handle;
3489         if (!intr_handle->intr_vec) {
3490                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3491                 return -EPERM;
3492         }
3493
3494         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3495                 vec = intr_handle->intr_vec[qid];
3496                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3497                 if (rc && rc != -EEXIST) {
3498                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3499                                         " op %d epfd %d vec %u\n",
3500                                         port_id, qid, op, epfd, vec);
3501                 }
3502         }
3503
3504         return 0;
3505 }
3506
3507 const struct rte_memzone *
3508 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3509                          uint16_t queue_id, size_t size, unsigned align,
3510                          int socket_id)
3511 {
3512         char z_name[RTE_MEMZONE_NAMESIZE];
3513         const struct rte_memzone *mz;
3514
3515         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
3516                  dev->device->driver->name, ring_name,
3517                  dev->data->port_id, queue_id);
3518
3519         mz = rte_memzone_lookup(z_name);
3520         if (mz)
3521                 return mz;
3522
3523         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3524                         RTE_MEMZONE_IOVA_CONTIG, align);
3525 }
3526
3527 int __rte_experimental
3528 rte_eth_dev_create(struct rte_device *device, const char *name,
3529         size_t priv_data_size,
3530         ethdev_bus_specific_init ethdev_bus_specific_init,
3531         void *bus_init_params,
3532         ethdev_init_t ethdev_init, void *init_params)
3533 {
3534         struct rte_eth_dev *ethdev;
3535         int retval;
3536
3537         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3538
3539         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3540                 ethdev = rte_eth_dev_allocate(name);
3541                 if (!ethdev) {
3542                         retval = -ENODEV;
3543                         goto probe_failed;
3544                 }
3545
3546                 if (priv_data_size) {
3547                         ethdev->data->dev_private = rte_zmalloc_socket(
3548                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3549                                 device->numa_node);
3550
3551                         if (!ethdev->data->dev_private) {
3552                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3553                                 retval = -ENOMEM;
3554                                 goto probe_failed;
3555                         }
3556                 }
3557         } else {
3558                 ethdev = rte_eth_dev_attach_secondary(name);
3559                 if (!ethdev) {
3560                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3561                                 "ethdev doesn't exist");
3562                         retval = -ENODEV;
3563                         goto probe_failed;
3564                 }
3565         }
3566
3567         ethdev->device = device;
3568
3569         if (ethdev_bus_specific_init) {
3570                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3571                 if (retval) {
3572                         RTE_LOG(ERR, EAL,
3573                                 "ethdev bus specific initialisation failed");
3574                         goto probe_failed;
3575                 }
3576         }
3577
3578         retval = ethdev_init(ethdev, init_params);
3579         if (retval) {
3580                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3581                 goto probe_failed;
3582         }
3583
3584         rte_eth_dev_probing_finish(ethdev);
3585
3586         return retval;
3587 probe_failed:
3588         /* free ports private data if primary process */
3589         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3590                 rte_free(ethdev->data->dev_private);
3591
3592         rte_eth_dev_release_port(ethdev);
3593
3594         return retval;
3595 }
3596
3597 int  __rte_experimental
3598 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3599         ethdev_uninit_t ethdev_uninit)
3600 {
3601         int ret;
3602
3603         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3604         if (!ethdev)
3605                 return -ENODEV;
3606
3607         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3608         if (ethdev_uninit) {
3609                 ret = ethdev_uninit(ethdev);
3610                 if (ret)
3611                         return ret;
3612         }
3613
3614         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
3615                 rte_free(ethdev->data->dev_private);
3616
3617         ethdev->data->dev_private = NULL;
3618
3619         return rte_eth_dev_release_port(ethdev);
3620 }
3621
3622 int
3623 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3624                           int epfd, int op, void *data)
3625 {
3626         uint32_t vec;
3627         struct rte_eth_dev *dev;
3628         struct rte_intr_handle *intr_handle;
3629         int rc;
3630
3631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3632
3633         dev = &rte_eth_devices[port_id];
3634         if (queue_id >= dev->data->nb_rx_queues) {
3635                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
3636                 return -EINVAL;
3637         }
3638
3639         if (!dev->intr_handle) {
3640                 RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n");
3641                 return -ENOTSUP;
3642         }
3643
3644         intr_handle = dev->intr_handle;
3645         if (!intr_handle->intr_vec) {
3646                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
3647                 return -EPERM;
3648         }
3649
3650         vec = intr_handle->intr_vec[queue_id];
3651         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3652         if (rc && rc != -EEXIST) {
3653                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
3654                                 " op %d epfd %d vec %u\n",
3655                                 port_id, queue_id, op, epfd, vec);
3656                 return rc;
3657         }
3658
3659         return 0;
3660 }
3661
3662 int
3663 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3664                            uint16_t queue_id)
3665 {
3666         struct rte_eth_dev *dev;
3667
3668         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3669
3670         dev = &rte_eth_devices[port_id];
3671
3672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3673         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3674                                                                 queue_id));
3675 }
3676
3677 int
3678 rte_eth_dev_rx_intr_disable(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_disable, -ENOTSUP);
3688         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3689                                                                 queue_id));
3690 }
3691
3692
3693 int
3694 rte_eth_dev_filter_supported(uint16_t port_id,
3695                              enum rte_filter_type filter_type)
3696 {
3697         struct rte_eth_dev *dev;
3698
3699         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3700
3701         dev = &rte_eth_devices[port_id];
3702         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3703         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3704                                 RTE_ETH_FILTER_NOP, NULL);
3705 }
3706
3707 int
3708 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3709                         enum rte_filter_op filter_op, void *arg)
3710 {
3711         struct rte_eth_dev *dev;
3712
3713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3714
3715         dev = &rte_eth_devices[port_id];
3716         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3717         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3718                                                              filter_op, arg));
3719 }
3720
3721 const struct rte_eth_rxtx_callback *
3722 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3723                 rte_rx_callback_fn fn, void *user_param)
3724 {
3725 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3726         rte_errno = ENOTSUP;
3727         return NULL;
3728 #endif
3729         /* check input parameters */
3730         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3731                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3732                 rte_errno = EINVAL;
3733                 return NULL;
3734         }
3735         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3736
3737         if (cb == NULL) {
3738                 rte_errno = ENOMEM;
3739                 return NULL;
3740         }
3741
3742         cb->fn.rx = fn;
3743         cb->param = user_param;
3744
3745         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3746         /* Add the callbacks in fifo order. */
3747         struct rte_eth_rxtx_callback *tail =
3748                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3749
3750         if (!tail) {
3751                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3752
3753         } else {
3754                 while (tail->next)
3755                         tail = tail->next;
3756                 tail->next = cb;
3757         }
3758         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3759
3760         return cb;
3761 }
3762
3763 const struct rte_eth_rxtx_callback *
3764 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3765                 rte_rx_callback_fn fn, void *user_param)
3766 {
3767 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3768         rte_errno = ENOTSUP;
3769         return NULL;
3770 #endif
3771         /* check input parameters */
3772         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3773                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3774                 rte_errno = EINVAL;
3775                 return NULL;
3776         }
3777
3778         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3779
3780         if (cb == NULL) {
3781                 rte_errno = ENOMEM;
3782                 return NULL;
3783         }
3784
3785         cb->fn.rx = fn;
3786         cb->param = user_param;
3787
3788         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3789         /* Add the callbacks at fisrt position*/
3790         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3791         rte_smp_wmb();
3792         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3793         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3794
3795         return cb;
3796 }
3797
3798 const struct rte_eth_rxtx_callback *
3799 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3800                 rte_tx_callback_fn fn, void *user_param)
3801 {
3802 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3803         rte_errno = ENOTSUP;
3804         return NULL;
3805 #endif
3806         /* check input parameters */
3807         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3808                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3809                 rte_errno = EINVAL;
3810                 return NULL;
3811         }
3812
3813         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3814
3815         if (cb == NULL) {
3816                 rte_errno = ENOMEM;
3817                 return NULL;
3818         }
3819
3820         cb->fn.tx = fn;
3821         cb->param = user_param;
3822
3823         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3824         /* Add the callbacks in fifo order. */
3825         struct rte_eth_rxtx_callback *tail =
3826                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3827
3828         if (!tail) {
3829                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3830
3831         } else {
3832                 while (tail->next)
3833                         tail = tail->next;
3834                 tail->next = cb;
3835         }
3836         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3837
3838         return cb;
3839 }
3840
3841 int
3842 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3843                 const struct rte_eth_rxtx_callback *user_cb)
3844 {
3845 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3846         return -ENOTSUP;
3847 #endif
3848         /* Check input parameters. */
3849         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3850         if (user_cb == NULL ||
3851                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3852                 return -EINVAL;
3853
3854         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3855         struct rte_eth_rxtx_callback *cb;
3856         struct rte_eth_rxtx_callback **prev_cb;
3857         int ret = -EINVAL;
3858
3859         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3860         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3861         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3862                 cb = *prev_cb;
3863                 if (cb == user_cb) {
3864                         /* Remove the user cb from the callback list. */
3865                         *prev_cb = cb->next;
3866                         ret = 0;
3867                         break;
3868                 }
3869         }
3870         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3871
3872         return ret;
3873 }
3874
3875 int
3876 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3877                 const struct rte_eth_rxtx_callback *user_cb)
3878 {
3879 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3880         return -ENOTSUP;
3881 #endif
3882         /* Check input parameters. */
3883         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3884         if (user_cb == NULL ||
3885                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3886                 return -EINVAL;
3887
3888         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3889         int ret = -EINVAL;
3890         struct rte_eth_rxtx_callback *cb;
3891         struct rte_eth_rxtx_callback **prev_cb;
3892
3893         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3894         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3895         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3896                 cb = *prev_cb;
3897                 if (cb == user_cb) {
3898                         /* Remove the user cb from the callback list. */
3899                         *prev_cb = cb->next;
3900                         ret = 0;
3901                         break;
3902                 }
3903         }
3904         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3905
3906         return ret;
3907 }
3908
3909 int
3910 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3911         struct rte_eth_rxq_info *qinfo)
3912 {
3913         struct rte_eth_dev *dev;
3914
3915         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3916
3917         if (qinfo == NULL)
3918                 return -EINVAL;
3919
3920         dev = &rte_eth_devices[port_id];
3921         if (queue_id >= dev->data->nb_rx_queues) {
3922                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3923                 return -EINVAL;
3924         }
3925
3926         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3927
3928         memset(qinfo, 0, sizeof(*qinfo));
3929         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3930         return 0;
3931 }
3932
3933 int
3934 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3935         struct rte_eth_txq_info *qinfo)
3936 {
3937         struct rte_eth_dev *dev;
3938         struct rte_eth_txconf *txconf = &qinfo->conf;
3939
3940         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3941
3942         if (qinfo == NULL)
3943                 return -EINVAL;
3944
3945         dev = &rte_eth_devices[port_id];
3946         if (queue_id >= dev->data->nb_tx_queues) {
3947                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3948                 return -EINVAL;
3949         }
3950
3951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3952
3953         memset(qinfo, 0, sizeof(*qinfo));
3954         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3955         /* convert offload to txq_flags to support legacy app */
3956         rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
3957
3958         return 0;
3959 }
3960
3961 int
3962 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
3963                              struct ether_addr *mc_addr_set,
3964                              uint32_t nb_mc_addr)
3965 {
3966         struct rte_eth_dev *dev;
3967
3968         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3969
3970         dev = &rte_eth_devices[port_id];
3971         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3972         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
3973                                                 mc_addr_set, nb_mc_addr));
3974 }
3975
3976 int
3977 rte_eth_timesync_enable(uint16_t port_id)
3978 {
3979         struct rte_eth_dev *dev;
3980
3981         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3982         dev = &rte_eth_devices[port_id];
3983
3984         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3985         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
3986 }
3987
3988 int
3989 rte_eth_timesync_disable(uint16_t port_id)
3990 {
3991         struct rte_eth_dev *dev;
3992
3993         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3994         dev = &rte_eth_devices[port_id];
3995
3996         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3997         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
3998 }
3999
4000 int
4001 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4002                                    uint32_t flags)
4003 {
4004         struct rte_eth_dev *dev;
4005
4006         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4007         dev = &rte_eth_devices[port_id];
4008
4009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4010         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4011                                 (dev, timestamp, flags));
4012 }
4013
4014 int
4015 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4016                                    struct timespec *timestamp)
4017 {
4018         struct rte_eth_dev *dev;
4019
4020         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4021         dev = &rte_eth_devices[port_id];
4022
4023         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4024         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4025                                 (dev, timestamp));
4026 }
4027
4028 int
4029 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4030 {
4031         struct rte_eth_dev *dev;
4032
4033         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4034         dev = &rte_eth_devices[port_id];
4035
4036         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4037         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4038                                                                       delta));
4039 }
4040
4041 int
4042 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4043 {
4044         struct rte_eth_dev *dev;
4045
4046         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4047         dev = &rte_eth_devices[port_id];
4048
4049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4050         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4051                                                                 timestamp));
4052 }
4053
4054 int
4055 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4056 {
4057         struct rte_eth_dev *dev;
4058
4059         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4060         dev = &rte_eth_devices[port_id];
4061
4062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4063         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4064                                                                 timestamp));
4065 }
4066
4067 int
4068 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4069 {
4070         struct rte_eth_dev *dev;
4071
4072         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4073
4074         dev = &rte_eth_devices[port_id];
4075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4076         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4077 }
4078
4079 int
4080 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4081 {
4082         struct rte_eth_dev *dev;
4083
4084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4085
4086         dev = &rte_eth_devices[port_id];
4087         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4088         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4089 }
4090
4091 int
4092 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4093 {
4094         struct rte_eth_dev *dev;
4095
4096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4097
4098         dev = &rte_eth_devices[port_id];
4099         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4100         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4101 }
4102
4103 int
4104 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4105 {
4106         struct rte_eth_dev *dev;
4107
4108         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4109
4110         dev = &rte_eth_devices[port_id];
4111         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4112         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4113 }
4114
4115 int __rte_experimental
4116 rte_eth_dev_get_module_info(uint16_t port_id,
4117                             struct rte_eth_dev_module_info *modinfo)
4118 {
4119         struct rte_eth_dev *dev;
4120
4121         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4122
4123         dev = &rte_eth_devices[port_id];
4124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4125         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4126 }
4127
4128 int __rte_experimental
4129 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4130                               struct rte_dev_eeprom_info *info)
4131 {
4132         struct rte_eth_dev *dev;
4133
4134         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4135
4136         dev = &rte_eth_devices[port_id];
4137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4138         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4139 }
4140
4141 int
4142 rte_eth_dev_get_dcb_info(uint16_t port_id,
4143                              struct rte_eth_dcb_info *dcb_info)
4144 {
4145         struct rte_eth_dev *dev;
4146
4147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4148
4149         dev = &rte_eth_devices[port_id];
4150         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4151
4152         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4153         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4154 }
4155
4156 int
4157 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4158                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4159 {
4160         struct rte_eth_dev *dev;
4161
4162         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4163         if (l2_tunnel == NULL) {
4164                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4165                 return -EINVAL;
4166         }
4167
4168         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4169                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
4170                 return -EINVAL;
4171         }
4172
4173         dev = &rte_eth_devices[port_id];
4174         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4175                                 -ENOTSUP);
4176         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4177                                                                 l2_tunnel));
4178 }
4179
4180 int
4181 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4182                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4183                                   uint32_t mask,
4184                                   uint8_t en)
4185 {
4186         struct rte_eth_dev *dev;
4187
4188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4189
4190         if (l2_tunnel == NULL) {
4191                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
4192                 return -EINVAL;
4193         }
4194
4195         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4196                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
4197                 return -EINVAL;
4198         }
4199
4200         if (mask == 0) {
4201                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
4202                 return -EINVAL;
4203         }
4204
4205         dev = &rte_eth_devices[port_id];
4206         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4207                                 -ENOTSUP);
4208         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4209                                                         l2_tunnel, mask, en));
4210 }
4211
4212 static void
4213 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4214                            const struct rte_eth_desc_lim *desc_lim)
4215 {
4216         if (desc_lim->nb_align != 0)
4217                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4218
4219         if (desc_lim->nb_max != 0)
4220                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4221
4222         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4223 }
4224
4225 int
4226 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4227                                  uint16_t *nb_rx_desc,
4228                                  uint16_t *nb_tx_desc)
4229 {
4230         struct rte_eth_dev *dev;
4231         struct rte_eth_dev_info dev_info;
4232
4233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4234
4235         dev = &rte_eth_devices[port_id];
4236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4237
4238         rte_eth_dev_info_get(port_id, &dev_info);
4239
4240         if (nb_rx_desc != NULL)
4241                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4242
4243         if (nb_tx_desc != NULL)
4244                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4245
4246         return 0;
4247 }
4248
4249 int
4250 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4251 {
4252         struct rte_eth_dev *dev;
4253
4254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4255
4256         if (pool == NULL)
4257                 return -EINVAL;
4258
4259         dev = &rte_eth_devices[port_id];
4260
4261         if (*dev->dev_ops->pool_ops_supported == NULL)
4262                 return 1; /* all pools are supported */
4263
4264         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4265 }
4266
4267 /**
4268  * A set of values to describe the possible states of a switch domain.
4269  */
4270 enum rte_eth_switch_domain_state {
4271         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4272         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4273 };
4274
4275 /**
4276  * Array of switch domains available for allocation. Array is sized to
4277  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4278  * ethdev ports in a single process.
4279  */
4280 struct rte_eth_dev_switch {
4281         enum rte_eth_switch_domain_state state;
4282 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4283
4284 int __rte_experimental
4285 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4286 {
4287         unsigned int i;
4288
4289         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4290
4291         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4292                 i < RTE_MAX_ETHPORTS; i++) {
4293                 if (rte_eth_switch_domains[i].state ==
4294                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4295                         rte_eth_switch_domains[i].state =
4296                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4297                         *domain_id = i;
4298                         return 0;
4299                 }
4300         }
4301
4302         return -ENOSPC;
4303 }
4304
4305 int __rte_experimental
4306 rte_eth_switch_domain_free(uint16_t domain_id)
4307 {
4308         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4309                 domain_id >= RTE_MAX_ETHPORTS)
4310                 return -EINVAL;
4311
4312         if (rte_eth_switch_domains[domain_id].state !=
4313                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4314                 return -EINVAL;
4315
4316         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4317
4318         return 0;
4319 }
4320
4321 typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
4322
4323 static int
4324 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4325 {
4326         int state;
4327         struct rte_kvargs_pair *pair;
4328         char *letter;
4329
4330         arglist->str = strdup(str_in);
4331         if (arglist->str == NULL)
4332                 return -ENOMEM;
4333
4334         letter = arglist->str;
4335         state = 0;
4336         arglist->count = 0;
4337         pair = &arglist->pairs[0];
4338         while (1) {
4339                 switch (state) {
4340                 case 0: /* Initial */
4341                         if (*letter == '=')
4342                                 return -EINVAL;
4343                         else if (*letter == '\0')
4344                                 return 0;
4345
4346                         state = 1;
4347                         pair->key = letter;
4348                         /* fall-thru */
4349
4350                 case 1: /* Parsing key */
4351                         if (*letter == '=') {
4352                                 *letter = '\0';
4353                                 pair->value = letter + 1;
4354                                 state = 2;
4355                         } else if (*letter == ',' || *letter == '\0')
4356                                 return -EINVAL;
4357                         break;
4358
4359
4360                 case 2: /* Parsing value */
4361                         if (*letter == '[')
4362                                 state = 3;
4363                         else if (*letter == ',') {
4364                                 *letter = '\0';
4365                                 arglist->count++;
4366                                 pair = &arglist->pairs[arglist->count];
4367                                 state = 0;
4368                         } else if (*letter == '\0') {
4369                                 letter--;
4370                                 arglist->count++;
4371                                 pair = &arglist->pairs[arglist->count];
4372                                 state = 0;
4373                         }
4374                         break;
4375
4376                 case 3: /* Parsing list */
4377                         if (*letter == ']')
4378                                 state = 2;
4379                         else if (*letter == '\0')
4380                                 return -EINVAL;
4381                         break;
4382                 }
4383                 letter++;
4384         }
4385 }
4386
4387 static int
4388 rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
4389         void *data)
4390 {
4391         char *str_start;
4392         int state;
4393         int result;
4394
4395         if (*str != '[')
4396                 /* Single element, not a list */
4397                 return callback(str, data);
4398
4399         /* Sanity check, then strip the brackets */
4400         str_start = &str[strlen(str) - 1];
4401         if (*str_start != ']') {
4402                 RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
4403                 return -EINVAL;
4404         }
4405         str++;
4406         *str_start = '\0';
4407
4408         /* Process list elements */
4409         state = 0;
4410         while (1) {
4411                 if (state == 0) {
4412                         if (*str == '\0')
4413                                 break;
4414                         if (*str != ',') {
4415                                 str_start = str;
4416                                 state = 1;
4417                         }
4418                 } else if (state == 1) {
4419                         if (*str == ',' || *str == '\0') {
4420                                 if (str > str_start) {
4421                                         /* Non-empty string fragment */
4422                                         *str = '\0';
4423                                         result = callback(str_start, data);
4424                                         if (result < 0)
4425                                                 return result;
4426                                 }
4427                                 state = 0;
4428                         }
4429                 }
4430                 str++;
4431         }
4432         return 0;
4433 }
4434
4435 static int
4436 rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
4437         const uint16_t max_list)
4438 {
4439         uint16_t lo, hi, val;
4440         int result;
4441
4442         result = sscanf(str, "%hu-%hu", &lo, &hi);
4443         if (result == 1) {
4444                 if (*len_list >= max_list)
4445                         return -ENOMEM;
4446                 list[(*len_list)++] = lo;
4447         } else if (result == 2) {
4448                 if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
4449                         return -EINVAL;
4450                 for (val = lo; val <= hi; val++) {
4451                         if (*len_list >= max_list)
4452                                 return -ENOMEM;
4453                         list[(*len_list)++] = val;
4454                 }
4455         } else
4456                 return -EINVAL;
4457         return 0;
4458 }
4459
4460
4461 static int
4462 rte_eth_devargs_parse_representor_ports(char *str, void *data)
4463 {
4464         struct rte_eth_devargs *eth_da = data;
4465
4466         return rte_eth_devargs_process_range(str, eth_da->representor_ports,
4467                 &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
4468 }
4469
4470 int __rte_experimental
4471 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4472 {
4473         struct rte_kvargs args;
4474         struct rte_kvargs_pair *pair;
4475         unsigned int i;
4476         int result = 0;
4477
4478         memset(eth_da, 0, sizeof(*eth_da));
4479
4480         result = rte_eth_devargs_tokenise(&args, dargs);
4481         if (result < 0)
4482                 goto parse_cleanup;
4483
4484         for (i = 0; i < args.count; i++) {
4485                 pair = &args.pairs[i];
4486                 if (strcmp("representor", pair->key) == 0) {
4487                         result = rte_eth_devargs_parse_list(pair->value,
4488                                 rte_eth_devargs_parse_representor_ports,
4489                                 eth_da);
4490                         if (result < 0)
4491                                 goto parse_cleanup;
4492                 }
4493         }
4494
4495 parse_cleanup:
4496         if (args.str)
4497                 free(args.str);
4498
4499         return result;
4500 }
4501
4502 RTE_INIT(ethdev_init_log);
4503 static void
4504 ethdev_init_log(void)
4505 {
4506         ethdev_logtype = rte_log_register("lib.ethdev");
4507         if (ethdev_logtype >= 0)
4508                 rte_log_set_level(ethdev_logtype, RTE_LOG_INFO);
4509 }