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 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 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         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 /**
 170  * The user application callback description.
 171  *
 172  * It contains callback address to be registered by user application,
 173  * the pointer to the parameters for callback, and the event type.
 174  */
 175 struct rte_eth_dev_callback {
 176         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 177         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 178         void *cb_arg;                           /**< Parameter for callback */
 179         void *ret_param;                        /**< Return parameter */
 180         enum rte_eth_event_type event;          /**< Interrupt event type */
 181         uint32_t active;                        /**< Callback is executing */
 182 };
 183
 184 enum {
 185         STAT_QMAP_TX = 0,
 186         STAT_QMAP_RX
 187 };
 188
 189 int
 190 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 191 {
 192         int ret;
 193         struct rte_devargs devargs = {.args = NULL};
 194         const char *bus_param_key;
 195         char *bus_str = NULL;
 196         char *cls_str = NULL;
 197         int str_size;
 198
 199         memset(iter, 0, sizeof(*iter));
 200
 201         /*
 202          * The devargs string may use various syntaxes:
 203          *   - 0000:08:00.0,representor=[1-3]
 204          *   - pci:0000:06:00.0,representor=[0,5]
 205          *   - class=eth,mac=00:11:22:33:44:55
 206          * A new syntax is in development (not yet supported):
 207          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 208          */
 209
 210         /*
 211          * Handle pure class filter (i.e. without any bus-level argument),
 212          * from future new syntax.
 213          * rte_devargs_parse() is not yet supporting the new syntax,
 214          * that's why this simple case is temporarily parsed here.
 215          */
 216 #define iter_anybus_str "class=eth,"
 217         if (strncmp(devargs_str, iter_anybus_str,
 218                         strlen(iter_anybus_str)) == 0) {
 219                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 220                 goto end;
 221         }
 222
 223         /* Split bus, device and parameters. */
 224         ret = rte_devargs_parse(&devargs, devargs_str);
 225         if (ret != 0)
 226                 goto error;
 227
 228         /*
 229          * Assume parameters of old syntax can match only at ethdev level.
 230          * Extra parameters will be ignored, thanks to "+" prefix.
 231          */
 232         str_size = strlen(devargs.args) + 2;
 233         cls_str = malloc(str_size);
 234         if (cls_str == NULL) {
 235                 ret = -ENOMEM;
 236                 goto error;
 237         }
 238         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 239         if (ret != str_size - 1) {
 240                 ret = -EINVAL;
 241                 goto error;
 242         }
 243         iter->cls_str = cls_str;
 244         free(devargs.args); /* allocated by rte_devargs_parse() */
 245         devargs.args = NULL;
 246
 247         iter->bus = devargs.bus;
 248         if (iter->bus->dev_iterate == NULL) {
 249                 ret = -ENOTSUP;
 250                 goto error;
 251         }
 252
 253         /* Convert bus args to new syntax for use with new API dev_iterate. */
 254         if (strcmp(iter->bus->name, "vdev") == 0) {
 255                 bus_param_key = "name";
 256         } else if (strcmp(iter->bus->name, "pci") == 0) {
 257                 bus_param_key = "addr";
 258         } else {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 263         bus_str = malloc(str_size);
 264         if (bus_str == NULL) {
 265                 ret = -ENOMEM;
 266                 goto error;
 267         }
 268         ret = snprintf(bus_str, str_size, "%s=%s",
 269                         bus_param_key, devargs.name);
 270         if (ret != str_size - 1) {
 271                 ret = -EINVAL;
 272                 goto error;
 273         }
 274         iter->bus_str = bus_str;
 275
 276 end:
 277         iter->cls = rte_class_find_by_name("eth");
 278         return 0;
 279
 280 error:
 281         if (ret == -ENOTSUP)
 282                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 283                                 iter->bus->name);
 284         free(devargs.args);
 285         free(bus_str);
 286         free(cls_str);
 287         return ret;
 288 }
 289
 290 uint16_t
 291 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 292 {
 293         if (iter->cls == NULL) /* invalid ethdev iterator */
 294                 return RTE_MAX_ETHPORTS;
 295
 296         do { /* loop to try all matching rte_device */
 297                 /* If not pure ethdev filter and */
 298                 if (iter->bus != NULL &&
 299                                 /* not in middle of rte_eth_dev iteration, */
 300                                 iter->class_device == NULL) {
 301                         /* get next rte_device to try. */
 302                         iter->device = iter->bus->dev_iterate(
 303                                         iter->device, iter->bus_str, iter);
 304                         if (iter->device == NULL)
 305                                 break; /* no more rte_device candidate */
 306                 }
 307                 /* A device is matching bus part, need to check ethdev part. */
 308                 iter->class_device = iter->cls->dev_iterate(
 309                                 iter->class_device, iter->cls_str, iter);
 310                 if (iter->class_device != NULL)
 311                         return eth_dev_to_id(iter->class_device); /* match */
 312         } while (iter->bus != NULL); /* need to try next rte_device */
 313
 314         /* No more ethdev port to iterate. */
 315         rte_eth_iterator_cleanup(iter);
 316         return RTE_MAX_ETHPORTS;
 317 }
 318
 319 void
 320 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 321 {
 322         if (iter->bus_str == NULL)
 323                 return; /* nothing to free in pure class filter */
 324         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 325         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 326         memset(iter, 0, sizeof(*iter));
 327 }
 328
 329 uint16_t
 330 rte_eth_find_next(uint16_t port_id)
 331 {
 332         while (port_id < RTE_MAX_ETHPORTS &&
 333                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 334                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 335                 port_id++;
 336
 337         if (port_id >= RTE_MAX_ETHPORTS)
 338                 return RTE_MAX_ETHPORTS;
 339
 340         return port_id;
 341 }
 342
 343 static void
 344 rte_eth_dev_shared_data_prepare(void)
 345 {
 346         const unsigned flags = 0;
 347         const struct rte_memzone *mz;
 348
 349         rte_spinlock_lock(&rte_eth_shared_data_lock);
 350
 351         if (rte_eth_dev_shared_data == NULL) {
 352                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 353                         /* Allocate port data and ownership shared memory. */
 354                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 355                                         sizeof(*rte_eth_dev_shared_data),
 356                                         rte_socket_id(), flags);
 357                 } else
 358                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 359                 if (mz == NULL)
 360                         rte_panic("Cannot allocate ethdev shared data\n");
 361
 362                 rte_eth_dev_shared_data = mz->addr;
 363                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 364                         rte_eth_dev_shared_data->next_owner_id =
 365                                         RTE_ETH_DEV_NO_OWNER + 1;
 366                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 367                         memset(rte_eth_dev_shared_data->data, 0,
 368                                sizeof(rte_eth_dev_shared_data->data));
 369                 }
 370         }
 371
 372         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 373 }
 374
 375 static bool
 376 is_allocated(const struct rte_eth_dev *ethdev)
 377 {
 378         return ethdev->data->name[0] != '\0';
 379 }
 380
 381 static struct rte_eth_dev *
 382 _rte_eth_dev_allocated(const char *name)
 383 {
 384         unsigned i;
 385
 386         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 387                 if (rte_eth_devices[i].data != NULL &&
 388                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 389                         return &rte_eth_devices[i];
 390         }
 391         return NULL;
 392 }
 393
 394 struct rte_eth_dev *
 395 rte_eth_dev_allocated(const char *name)
 396 {
 397         struct rte_eth_dev *ethdev;
 398
 399         rte_eth_dev_shared_data_prepare();
 400
 401         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 402
 403         ethdev = _rte_eth_dev_allocated(name);
 404
 405         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 406
 407         return ethdev;
 408 }
 409
 410 static uint16_t
 411 rte_eth_dev_find_free_port(void)
 412 {
 413         unsigned i;
 414
 415         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 416                 /* Using shared name field to find a free port. */
 417                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 418                         RTE_ASSERT(rte_eth_devices[i].state ==
 419                                    RTE_ETH_DEV_UNUSED);
 420                         return i;
 421                 }
 422         }
 423         return RTE_MAX_ETHPORTS;
 424 }
 425
 426 static struct rte_eth_dev *
 427 eth_dev_get(uint16_t port_id)
 428 {
 429         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 430
 431         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 432
 433         return eth_dev;
 434 }
 435
 436 struct rte_eth_dev *
 437 rte_eth_dev_allocate(const char *name)
 438 {
 439         uint16_t port_id;
 440         struct rte_eth_dev *eth_dev = NULL;
 441
 442         rte_eth_dev_shared_data_prepare();
 443
 444         /* Synchronize port creation between primary and secondary threads. */
 445         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 446
 447         if (_rte_eth_dev_allocated(name) != NULL) {
 448                 RTE_ETHDEV_LOG(ERR,
 449                         "Ethernet device with name %s already allocated\n",
 450                         name);
 451                 goto unlock;
 452         }
 453
 454         port_id = rte_eth_dev_find_free_port();
 455         if (port_id == RTE_MAX_ETHPORTS) {
 456                 RTE_ETHDEV_LOG(ERR,
 457                         "Reached maximum number of Ethernet ports\n");
 458                 goto unlock;
 459         }
 460
 461         eth_dev = eth_dev_get(port_id);
 462         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 463         eth_dev->data->port_id = port_id;
 464         eth_dev->data->mtu = ETHER_MTU;
 465
 466 unlock:
 467         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 468
 469         return eth_dev;
 470 }
 471
 472 /*
 473  * Attach to a port already registered by the primary process, which
 474  * makes sure that the same device would have the same port id both
 475  * in the primary and secondary process.
 476  */
 477 struct rte_eth_dev *
 478 rte_eth_dev_attach_secondary(const char *name)
 479 {
 480         uint16_t i;
 481         struct rte_eth_dev *eth_dev = NULL;
 482
 483         rte_eth_dev_shared_data_prepare();
 484
 485         /* Synchronize port attachment to primary port creation and release. */
 486         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 487
 488         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 489                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 490                         break;
 491         }
 492         if (i == RTE_MAX_ETHPORTS) {
 493                 RTE_ETHDEV_LOG(ERR,
 494                         "Device %s is not driven by the primary process\n",
 495                         name);
 496         } else {
 497                 eth_dev = eth_dev_get(i);
 498                 RTE_ASSERT(eth_dev->data->port_id == i);
 499         }
 500
 501         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 502         return eth_dev;
 503 }
 504
 505 int
 506 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 507 {
 508         if (eth_dev == NULL)
 509                 return -EINVAL;
 510
 511         rte_eth_dev_shared_data_prepare();
 512
 513         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 514                 _rte_eth_dev_callback_process(eth_dev,
 515                                 RTE_ETH_EVENT_DESTROY, NULL);
 516
 517         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 518
 519         eth_dev->state = RTE_ETH_DEV_UNUSED;
 520
 521         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 522                 rte_free(eth_dev->data->rx_queues);
 523                 rte_free(eth_dev->data->tx_queues);
 524                 rte_free(eth_dev->data->mac_addrs);
 525                 rte_free(eth_dev->data->hash_mac_addrs);
 526                 rte_free(eth_dev->data->dev_private);
 527                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 528         }
 529
 530         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 531
 532         return 0;
 533 }
 534
 535 int
 536 rte_eth_dev_is_valid_port(uint16_t port_id)
 537 {
 538         if (port_id >= RTE_MAX_ETHPORTS ||
 539             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 540                 return 0;
 541         else
 542                 return 1;
 543 }
 544
 545 static int
 546 rte_eth_is_valid_owner_id(uint64_t owner_id)
 547 {
 548         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 549             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 550                 return 0;
 551         return 1;
 552 }
 553
 554 uint64_t
 555 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 556 {
 557         while (port_id < RTE_MAX_ETHPORTS &&
 558                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 559                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 560                rte_eth_devices[port_id].data->owner.id != owner_id))
 561                 port_id++;
 562
 563         if (port_id >= RTE_MAX_ETHPORTS)
 564                 return RTE_MAX_ETHPORTS;
 565
 566         return port_id;
 567 }
 568
 569 int __rte_experimental
 570 rte_eth_dev_owner_new(uint64_t *owner_id)
 571 {
 572         rte_eth_dev_shared_data_prepare();
 573
 574         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 575
 576         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 577
 578         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 579         return 0;
 580 }
 581
 582 static int
 583 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 584                        const struct rte_eth_dev_owner *new_owner)
 585 {
 586         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 587         struct rte_eth_dev_owner *port_owner;
 588         int sret;
 589
 590         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 591                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 592                         port_id);
 593                 return -ENODEV;
 594         }
 595
 596         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 597             !rte_eth_is_valid_owner_id(old_owner_id)) {
 598                 RTE_ETHDEV_LOG(ERR,
 599                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 600                        old_owner_id, new_owner->id);
 601                 return -EINVAL;
 602         }
 603
 604         port_owner = &rte_eth_devices[port_id].data->owner;
 605         if (port_owner->id != old_owner_id) {
 606                 RTE_ETHDEV_LOG(ERR,
 607                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 608                         port_id, port_owner->name, port_owner->id);
 609                 return -EPERM;
 610         }
 611
 612         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 613                         new_owner->name);
 614         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 615                 RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
 616                         port_id);
 617
 618         port_owner->id = new_owner->id;
 619
 620         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 621                 port_id, new_owner->name, new_owner->id);
 622
 623         return 0;
 624 }
 625
 626 int __rte_experimental
 627 rte_eth_dev_owner_set(const uint16_t port_id,
 628                       const struct rte_eth_dev_owner *owner)
 629 {
 630         int ret;
 631
 632         rte_eth_dev_shared_data_prepare();
 633
 634         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 635
 636         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 637
 638         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 639         return ret;
 640 }
 641
 642 int __rte_experimental
 643 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 644 {
 645         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 646                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 647         int ret;
 648
 649         rte_eth_dev_shared_data_prepare();
 650
 651         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 652
 653         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 654
 655         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 656         return ret;
 657 }
 658
 659 void __rte_experimental
 660 rte_eth_dev_owner_delete(const uint64_t owner_id)
 661 {
 662         uint16_t port_id;
 663
 664         rte_eth_dev_shared_data_prepare();
 665
 666         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 667
 668         if (rte_eth_is_valid_owner_id(owner_id)) {
 669                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 670                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 671                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 672                                        sizeof(struct rte_eth_dev_owner));
 673                 RTE_ETHDEV_LOG(NOTICE,
 674                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 675                         owner_id);
 676         } else {
 677                 RTE_ETHDEV_LOG(ERR,
 678                                "Invalid owner id=%016"PRIx64"\n",
 679                                owner_id);
 680         }
 681
 682         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 683 }
 684
 685 int __rte_experimental
 686 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 687 {
 688         int ret = 0;
 689         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 690
 691         rte_eth_dev_shared_data_prepare();
 692
 693         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 694
 695         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 696                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 697                         port_id);
 698                 ret = -ENODEV;
 699         } else {
 700                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 701         }
 702
 703         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 704         return ret;
 705 }
 706
 707 int
 708 rte_eth_dev_socket_id(uint16_t port_id)
 709 {
 710         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 711         return rte_eth_devices[port_id].data->numa_node;
 712 }
 713
 714 void *
 715 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 716 {
 717         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 718         return rte_eth_devices[port_id].security_ctx;
 719 }
 720
 721 uint16_t
 722 rte_eth_dev_count(void)
 723 {
 724         return rte_eth_dev_count_avail();
 725 }
 726
 727 uint16_t
 728 rte_eth_dev_count_avail(void)
 729 {
 730         uint16_t p;
 731         uint16_t count;
 732
 733         count = 0;
 734
 735         RTE_ETH_FOREACH_DEV(p)
 736                 count++;
 737
 738         return count;
 739 }
 740
 741 uint16_t __rte_experimental
 742 rte_eth_dev_count_total(void)
 743 {
 744         uint16_t port, count = 0;
 745
 746         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 747                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 748                         count++;
 749
 750         return count;
 751 }
 752
 753 int
 754 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 755 {
 756         char *tmp;
 757
 758         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 759
 760         if (name == NULL) {
 761                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 762                 return -EINVAL;
 763         }
 764
 765         /* shouldn't check 'rte_eth_devices[i].data',
 766          * because it might be overwritten by VDEV PMD */
 767         tmp = rte_eth_dev_shared_data->data[port_id].name;
 768         strcpy(name, tmp);
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 774 {
 775         uint32_t pid;
 776
 777         if (name == NULL) {
 778                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 779                 return -EINVAL;
 780         }
 781
 782         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 783                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 784                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 785                         *port_id = pid;
 786                         return 0;
 787                 }
 788         }
 789
 790         return -ENODEV;
 791 }
 792
 793 static int
 794 eth_err(uint16_t port_id, int ret)
 795 {
 796         if (ret == 0)
 797                 return 0;
 798         if (rte_eth_dev_is_removed(port_id))
 799                 return -EIO;
 800         return ret;
 801 }
 802
 803 static int
 804 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 805 {
 806         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 807         void **rxq;
 808         unsigned i;
 809
 810         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 811                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 812                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 813                                 RTE_CACHE_LINE_SIZE);
 814                 if (dev->data->rx_queues == NULL) {
 815                         dev->data->nb_rx_queues = 0;
 816                         return -(ENOMEM);
 817                 }
 818         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 819                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 820
 821                 rxq = dev->data->rx_queues;
 822
 823                 for (i = nb_queues; i < old_nb_queues; i++)
 824                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 825                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 826                                 RTE_CACHE_LINE_SIZE);
 827                 if (rxq == NULL)
 828                         return -(ENOMEM);
 829                 if (nb_queues > old_nb_queues) {
 830                         uint16_t new_qs = nb_queues - old_nb_queues;
 831
 832                         memset(rxq + old_nb_queues, 0,
 833                                 sizeof(rxq[0]) * new_qs);
 834                 }
 835
 836                 dev->data->rx_queues = rxq;
 837
 838         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 839                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 840
 841                 rxq = dev->data->rx_queues;
 842
 843                 for (i = nb_queues; i < old_nb_queues; i++)
 844                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 845
 846                 rte_free(dev->data->rx_queues);
 847                 dev->data->rx_queues = NULL;
 848         }
 849         dev->data->nb_rx_queues = nb_queues;
 850         return 0;
 851 }
 852
 853 int
 854 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_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 (!dev->data->dev_started) {
 862                 RTE_ETHDEV_LOG(ERR,
 863                         "Port %u must be started before start any queue\n",
 864                         port_id);
 865                 return -EINVAL;
 866         }
 867
 868         if (rx_queue_id >= dev->data->nb_rx_queues) {
 869                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 870                 return -EINVAL;
 871         }
 872
 873         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 874
 875         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 876                 RTE_ETHDEV_LOG(INFO,
 877                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 878                         rx_queue_id, port_id);
 879                 return 0;
 880         }
 881
 882         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 883                                                              rx_queue_id));
 884
 885 }
 886
 887 int
 888 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 889 {
 890         struct rte_eth_dev *dev;
 891
 892         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 893
 894         dev = &rte_eth_devices[port_id];
 895         if (rx_queue_id >= dev->data->nb_rx_queues) {
 896                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 897                 return -EINVAL;
 898         }
 899
 900         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 901
 902         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 903                 RTE_ETHDEV_LOG(INFO,
 904                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 905                         rx_queue_id, port_id);
 906                 return 0;
 907         }
 908
 909         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 910
 911 }
 912
 913 int
 914 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 915 {
 916         struct rte_eth_dev *dev;
 917
 918         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 919
 920         dev = &rte_eth_devices[port_id];
 921         if (!dev->data->dev_started) {
 922                 RTE_ETHDEV_LOG(ERR,
 923                         "Port %u must be started before start any queue\n",
 924                         port_id);
 925                 return -EINVAL;
 926         }
 927
 928         if (tx_queue_id >= dev->data->nb_tx_queues) {
 929                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 930                 return -EINVAL;
 931         }
 932
 933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 934
 935         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 936                 RTE_ETHDEV_LOG(INFO,
 937                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 938                         tx_queue_id, port_id);
 939                 return 0;
 940         }
 941
 942         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 943 }
 944
 945 int
 946 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 947 {
 948         struct rte_eth_dev *dev;
 949
 950         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 951
 952         dev = &rte_eth_devices[port_id];
 953         if (tx_queue_id >= dev->data->nb_tx_queues) {
 954                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 955                 return -EINVAL;
 956         }
 957
 958         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 959
 960         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 961                 RTE_ETHDEV_LOG(INFO,
 962                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 963                         tx_queue_id, port_id);
 964                 return 0;
 965         }
 966
 967         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 968
 969 }
 970
 971 static int
 972 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 973 {
 974         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 975         void **txq;
 976         unsigned i;
 977
 978         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 979                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 980                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 981                                                    RTE_CACHE_LINE_SIZE);
 982                 if (dev->data->tx_queues == NULL) {
 983                         dev->data->nb_tx_queues = 0;
 984                         return -(ENOMEM);
 985                 }
 986         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 987                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 988
 989                 txq = dev->data->tx_queues;
 990
 991                 for (i = nb_queues; i < old_nb_queues; i++)
 992                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 993                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 994                                   RTE_CACHE_LINE_SIZE);
 995                 if (txq == NULL)
 996                         return -ENOMEM;
 997                 if (nb_queues > old_nb_queues) {
 998                         uint16_t new_qs = nb_queues - old_nb_queues;
 999
1000                         memset(txq + old_nb_queues, 0,
1001                                sizeof(txq[0]) * new_qs);
1002                 }
1003
1004                 dev->data->tx_queues = txq;
1005
1006         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1007                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1008
1009                 txq = dev->data->tx_queues;
1010
1011                 for (i = nb_queues; i < old_nb_queues; i++)
1012                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1013
1014                 rte_free(dev->data->tx_queues);
1015                 dev->data->tx_queues = NULL;
1016         }
1017         dev->data->nb_tx_queues = nb_queues;
1018         return 0;
1019 }
1020
1021 uint32_t
1022 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1023 {
1024         switch (speed) {
1025         case ETH_SPEED_NUM_10M:
1026                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1027         case ETH_SPEED_NUM_100M:
1028                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1029         case ETH_SPEED_NUM_1G:
1030                 return ETH_LINK_SPEED_1G;
1031         case ETH_SPEED_NUM_2_5G:
1032                 return ETH_LINK_SPEED_2_5G;
1033         case ETH_SPEED_NUM_5G:
1034                 return ETH_LINK_SPEED_5G;
1035         case ETH_SPEED_NUM_10G:
1036                 return ETH_LINK_SPEED_10G;
1037         case ETH_SPEED_NUM_20G:
1038                 return ETH_LINK_SPEED_20G;
1039         case ETH_SPEED_NUM_25G:
1040                 return ETH_LINK_SPEED_25G;
1041         case ETH_SPEED_NUM_40G:
1042                 return ETH_LINK_SPEED_40G;
1043         case ETH_SPEED_NUM_50G:
1044                 return ETH_LINK_SPEED_50G;
1045         case ETH_SPEED_NUM_56G:
1046                 return ETH_LINK_SPEED_56G;
1047         case ETH_SPEED_NUM_100G:
1048                 return ETH_LINK_SPEED_100G;
1049         default:
1050                 return 0;
1051         }
1052 }
1053
1054 const char *
1055 rte_eth_dev_rx_offload_name(uint64_t offload)
1056 {
1057         const char *name = "UNKNOWN";
1058         unsigned int i;
1059
1060         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1061                 if (offload == rte_rx_offload_names[i].offload) {
1062                         name = rte_rx_offload_names[i].name;
1063                         break;
1064                 }
1065         }
1066
1067         return name;
1068 }
1069
1070 const char *
1071 rte_eth_dev_tx_offload_name(uint64_t offload)
1072 {
1073         const char *name = "UNKNOWN";
1074         unsigned int i;
1075
1076         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1077                 if (offload == rte_tx_offload_names[i].offload) {
1078                         name = rte_tx_offload_names[i].name;
1079                         break;
1080                 }
1081         }
1082
1083         return name;
1084 }
1085
1086 int
1087 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1088                       const struct rte_eth_conf *dev_conf)
1089 {
1090         struct rte_eth_dev *dev;
1091         struct rte_eth_dev_info dev_info;
1092         struct rte_eth_conf orig_conf;
1093         int diag;
1094         int ret;
1095
1096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1097
1098         dev = &rte_eth_devices[port_id];
1099
1100         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1101         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1102
1103         if (dev->data->dev_started) {
1104                 RTE_ETHDEV_LOG(ERR,
1105                         "Port %u must be stopped to allow configuration\n",
1106                         port_id);
1107                 return -EBUSY;
1108         }
1109
1110          /* Store original config, as rollback required on failure */
1111         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1112
1113         /*
1114          * Copy the dev_conf parameter into the dev structure.
1115          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1116          */
1117         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1118
1119         rte_eth_dev_info_get(port_id, &dev_info);
1120
1121         /* If number of queues specified by application for both Rx and Tx is
1122          * zero, use driver preferred values. This cannot be done individually
1123          * as it is valid for either Tx or Rx (but not both) to be zero.
1124          * If driver does not provide any preferred valued, fall back on
1125          * EAL defaults.
1126          */
1127         if (nb_rx_q == 0 && nb_tx_q == 0) {
1128                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1129                 if (nb_rx_q == 0)
1130                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1131                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1132                 if (nb_tx_q == 0)
1133                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1134         }
1135
1136         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1137                 RTE_ETHDEV_LOG(ERR,
1138                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1139                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1140                 ret = -EINVAL;
1141                 goto rollback;
1142         }
1143
1144         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1145                 RTE_ETHDEV_LOG(ERR,
1146                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1147                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1148                 ret = -EINVAL;
1149                 goto rollback;
1150         }
1151
1152         /*
1153          * Check that the numbers of RX and TX queues are not greater
1154          * than the maximum number of RX and TX queues supported by the
1155          * configured device.
1156          */
1157         if (nb_rx_q > dev_info.max_rx_queues) {
1158                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1159                         port_id, nb_rx_q, dev_info.max_rx_queues);
1160                 ret = -EINVAL;
1161                 goto rollback;
1162         }
1163
1164         if (nb_tx_q > dev_info.max_tx_queues) {
1165                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1166                         port_id, nb_tx_q, dev_info.max_tx_queues);
1167                 ret = -EINVAL;
1168                 goto rollback;
1169         }
1170
1171         /* Check that the device supports requested interrupts */
1172         if ((dev_conf->intr_conf.lsc == 1) &&
1173                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1174                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1175                         dev->device->driver->name);
1176                 ret = -EINVAL;
1177                 goto rollback;
1178         }
1179         if ((dev_conf->intr_conf.rmv == 1) &&
1180                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1181                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1182                         dev->device->driver->name);
1183                 ret = -EINVAL;
1184                 goto rollback;
1185         }
1186
1187         /*
1188          * If jumbo frames are enabled, check that the maximum RX packet
1189          * length is supported by the configured device.
1190          */
1191         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1192                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1193                         RTE_ETHDEV_LOG(ERR,
1194                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1195                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1196                                 dev_info.max_rx_pktlen);
1197                         ret = -EINVAL;
1198                         goto rollback;
1199                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1200                         RTE_ETHDEV_LOG(ERR,
1201                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1202                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1203                                 (unsigned)ETHER_MIN_LEN);
1204                         ret = -EINVAL;
1205                         goto rollback;
1206                 }
1207         } else {
1208                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1209                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1210                         /* Use default value */
1211                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1212                                                         ETHER_MAX_LEN;
1213         }
1214
1215         /* Any requested offloading must be within its device capabilities */
1216         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1217              dev_conf->rxmode.offloads) {
1218                 RTE_ETHDEV_LOG(ERR,
1219                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1220                         "capabilities 0x%"PRIx64" in %s()\n",
1221                         port_id, dev_conf->rxmode.offloads,
1222                         dev_info.rx_offload_capa,
1223                         __func__);
1224                 ret = -EINVAL;
1225                 goto rollback;
1226         }
1227         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1228              dev_conf->txmode.offloads) {
1229                 RTE_ETHDEV_LOG(ERR,
1230                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1231                         "capabilities 0x%"PRIx64" in %s()\n",
1232                         port_id, dev_conf->txmode.offloads,
1233                         dev_info.tx_offload_capa,
1234                         __func__);
1235                 ret = -EINVAL;
1236                 goto rollback;
1237         }
1238
1239         /* Check that device supports requested rss hash functions. */
1240         if ((dev_info.flow_type_rss_offloads |
1241              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1242             dev_info.flow_type_rss_offloads) {
1243                 RTE_ETHDEV_LOG(ERR,
1244                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1245                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1246                         dev_info.flow_type_rss_offloads);
1247                 ret = -EINVAL;
1248                 goto rollback;
1249         }
1250
1251         /*
1252          * Setup new number of RX/TX queues and reconfigure device.
1253          */
1254         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1255         if (diag != 0) {
1256                 RTE_ETHDEV_LOG(ERR,
1257                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1258                         port_id, diag);
1259                 ret = diag;
1260                 goto rollback;
1261         }
1262
1263         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1264         if (diag != 0) {
1265                 RTE_ETHDEV_LOG(ERR,
1266                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1267                         port_id, diag);
1268                 rte_eth_dev_rx_queue_config(dev, 0);
1269                 ret = diag;
1270                 goto rollback;
1271         }
1272
1273         diag = (*dev->dev_ops->dev_configure)(dev);
1274         if (diag != 0) {
1275                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1276                         port_id, diag);
1277                 rte_eth_dev_rx_queue_config(dev, 0);
1278                 rte_eth_dev_tx_queue_config(dev, 0);
1279                 ret = eth_err(port_id, diag);
1280                 goto rollback;
1281         }
1282
1283         /* Initialize Rx profiling if enabled at compilation time. */
1284         diag = __rte_eth_dev_profile_init(port_id, dev);
1285         if (diag != 0) {
1286                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1287                         port_id, diag);
1288                 rte_eth_dev_rx_queue_config(dev, 0);
1289                 rte_eth_dev_tx_queue_config(dev, 0);
1290                 ret = eth_err(port_id, diag);
1291                 goto rollback;
1292         }
1293
1294         return 0;
1295
1296 rollback:
1297         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1298
1299         return ret;
1300 }
1301
1302 void
1303 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1304 {
1305         if (dev->data->dev_started) {
1306                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1307                         dev->data->port_id);
1308                 return;
1309         }
1310
1311         rte_eth_dev_rx_queue_config(dev, 0);
1312         rte_eth_dev_tx_queue_config(dev, 0);
1313
1314         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1315 }
1316
1317 static void
1318 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1319                         struct rte_eth_dev_info *dev_info)
1320 {
1321         struct ether_addr *addr;
1322         uint16_t i;
1323         uint32_t pool = 0;
1324         uint64_t pool_mask;
1325
1326         /* replay MAC address configuration including default MAC */
1327         addr = &dev->data->mac_addrs[0];
1328         if (*dev->dev_ops->mac_addr_set != NULL)
1329                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1330         else if (*dev->dev_ops->mac_addr_add != NULL)
1331                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1332
1333         if (*dev->dev_ops->mac_addr_add != NULL) {
1334                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1335                         addr = &dev->data->mac_addrs[i];
1336
1337                         /* skip zero address */
1338                         if (is_zero_ether_addr(addr))
1339                                 continue;
1340
1341                         pool = 0;
1342                         pool_mask = dev->data->mac_pool_sel[i];
1343
1344                         do {
1345                                 if (pool_mask & 1ULL)
1346                                         (*dev->dev_ops->mac_addr_add)(dev,
1347                                                 addr, i, pool);
1348                                 pool_mask >>= 1;
1349                                 pool++;
1350                         } while (pool_mask);
1351                 }
1352         }
1353 }
1354
1355 static void
1356 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1357                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1358 {
1359         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1360                 rte_eth_dev_mac_restore(dev, dev_info);
1361
1362         /* replay promiscuous configuration */
1363         if (rte_eth_promiscuous_get(port_id) == 1)
1364                 rte_eth_promiscuous_enable(port_id);
1365         else if (rte_eth_promiscuous_get(port_id) == 0)
1366                 rte_eth_promiscuous_disable(port_id);
1367
1368         /* replay all multicast configuration */
1369         if (rte_eth_allmulticast_get(port_id) == 1)
1370                 rte_eth_allmulticast_enable(port_id);
1371         else if (rte_eth_allmulticast_get(port_id) == 0)
1372                 rte_eth_allmulticast_disable(port_id);
1373 }
1374
1375 int
1376 rte_eth_dev_start(uint16_t port_id)
1377 {
1378         struct rte_eth_dev *dev;
1379         struct rte_eth_dev_info dev_info;
1380         int diag;
1381
1382         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1383
1384         dev = &rte_eth_devices[port_id];
1385
1386         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1387
1388         if (dev->data->dev_started != 0) {
1389                 RTE_ETHDEV_LOG(INFO,
1390                         "Device with port_id=%"PRIu16" already started\n",
1391                         port_id);
1392                 return 0;
1393         }
1394
1395         rte_eth_dev_info_get(port_id, &dev_info);
1396
1397         /* Lets restore MAC now if device does not support live change */
1398         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1399                 rte_eth_dev_mac_restore(dev, &dev_info);
1400
1401         diag = (*dev->dev_ops->dev_start)(dev);
1402         if (diag == 0)
1403                 dev->data->dev_started = 1;
1404         else
1405                 return eth_err(port_id, diag);
1406
1407         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1408
1409         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1410                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1411                 (*dev->dev_ops->link_update)(dev, 0);
1412         }
1413         return 0;
1414 }
1415
1416 void
1417 rte_eth_dev_stop(uint16_t port_id)
1418 {
1419         struct rte_eth_dev *dev;
1420
1421         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1422         dev = &rte_eth_devices[port_id];
1423
1424         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1425
1426         if (dev->data->dev_started == 0) {
1427                 RTE_ETHDEV_LOG(INFO,
1428                         "Device with port_id=%"PRIu16" already stopped\n",
1429                         port_id);
1430                 return;
1431         }
1432
1433         dev->data->dev_started = 0;
1434         (*dev->dev_ops->dev_stop)(dev);
1435 }
1436
1437 int
1438 rte_eth_dev_set_link_up(uint16_t port_id)
1439 {
1440         struct rte_eth_dev *dev;
1441
1442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1443
1444         dev = &rte_eth_devices[port_id];
1445
1446         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1447         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1448 }
1449
1450 int
1451 rte_eth_dev_set_link_down(uint16_t port_id)
1452 {
1453         struct rte_eth_dev *dev;
1454
1455         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1456
1457         dev = &rte_eth_devices[port_id];
1458
1459         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1460         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1461 }
1462
1463 void
1464 rte_eth_dev_close(uint16_t port_id)
1465 {
1466         struct rte_eth_dev *dev;
1467
1468         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1469         dev = &rte_eth_devices[port_id];
1470
1471         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1472         dev->data->dev_started = 0;
1473         (*dev->dev_ops->dev_close)(dev);
1474
1475         /* check behaviour flag - temporary for PMD migration */
1476         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1477                 /* new behaviour: send event + reset state + free all data */
1478                 rte_eth_dev_release_port(dev);
1479                 return;
1480         }
1481         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1482                         "The driver %s should migrate to the new behaviour.\n",
1483                         dev->device->driver->name);
1484         /* old behaviour: only free queue arrays */
1485         dev->data->nb_rx_queues = 0;
1486         rte_free(dev->data->rx_queues);
1487         dev->data->rx_queues = NULL;
1488         dev->data->nb_tx_queues = 0;
1489         rte_free(dev->data->tx_queues);
1490         dev->data->tx_queues = NULL;
1491 }
1492
1493 int
1494 rte_eth_dev_reset(uint16_t port_id)
1495 {
1496         struct rte_eth_dev *dev;
1497         int ret;
1498
1499         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1500         dev = &rte_eth_devices[port_id];
1501
1502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1503
1504         rte_eth_dev_stop(port_id);
1505         ret = dev->dev_ops->dev_reset(dev);
1506
1507         return eth_err(port_id, ret);
1508 }
1509
1510 int __rte_experimental
1511 rte_eth_dev_is_removed(uint16_t port_id)
1512 {
1513         struct rte_eth_dev *dev;
1514         int ret;
1515
1516         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1517
1518         dev = &rte_eth_devices[port_id];
1519
1520         if (dev->state == RTE_ETH_DEV_REMOVED)
1521                 return 1;
1522
1523         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1524
1525         ret = dev->dev_ops->is_removed(dev);
1526         if (ret != 0)
1527                 /* Device is physically removed. */
1528                 dev->state = RTE_ETH_DEV_REMOVED;
1529
1530         return ret;
1531 }
1532
1533 int
1534 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1535                        uint16_t nb_rx_desc, unsigned int socket_id,
1536                        const struct rte_eth_rxconf *rx_conf,
1537                        struct rte_mempool *mp)
1538 {
1539         int ret;
1540         uint32_t mbp_buf_size;
1541         struct rte_eth_dev *dev;
1542         struct rte_eth_dev_info dev_info;
1543         struct rte_eth_rxconf local_conf;
1544         void **rxq;
1545
1546         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1547
1548         dev = &rte_eth_devices[port_id];
1549         if (rx_queue_id >= dev->data->nb_rx_queues) {
1550                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1551                 return -EINVAL;
1552         }
1553
1554         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1555         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1556
1557         /*
1558          * Check the size of the mbuf data buffer.
1559          * This value must be provided in the private data of the memory pool.
1560          * First check that the memory pool has a valid private data.
1561          */
1562         rte_eth_dev_info_get(port_id, &dev_info);
1563         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1564                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1565                         mp->name, (int)mp->private_data_size,
1566                         (int)sizeof(struct rte_pktmbuf_pool_private));
1567                 return -ENOSPC;
1568         }
1569         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1570
1571         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1572                 RTE_ETHDEV_LOG(ERR,
1573                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1574                         mp->name, (int)mbp_buf_size,
1575                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1576                         (int)RTE_PKTMBUF_HEADROOM,
1577                         (int)dev_info.min_rx_bufsize);
1578                 return -EINVAL;
1579         }
1580
1581         /* Use default specified by driver, if nb_rx_desc is zero */
1582         if (nb_rx_desc == 0) {
1583                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1584                 /* If driver default is also zero, fall back on EAL default */
1585                 if (nb_rx_desc == 0)
1586                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1587         }
1588
1589         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1590                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1591                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1592
1593                 RTE_ETHDEV_LOG(ERR,
1594                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1595                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1596                         dev_info.rx_desc_lim.nb_min,
1597                         dev_info.rx_desc_lim.nb_align);
1598                 return -EINVAL;
1599         }
1600
1601         if (dev->data->dev_started &&
1602                 !(dev_info.dev_capa &
1603                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1604                 return -EBUSY;
1605
1606         if (dev->data->dev_started &&
1607                 (dev->data->rx_queue_state[rx_queue_id] !=
1608                         RTE_ETH_QUEUE_STATE_STOPPED))
1609                 return -EBUSY;
1610
1611         rxq = dev->data->rx_queues;
1612         if (rxq[rx_queue_id]) {
1613                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1614                                         -ENOTSUP);
1615                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1616                 rxq[rx_queue_id] = NULL;
1617         }
1618
1619         if (rx_conf == NULL)
1620                 rx_conf = &dev_info.default_rxconf;
1621
1622         local_conf = *rx_conf;
1623
1624         /*
1625          * If an offloading has already been enabled in
1626          * rte_eth_dev_configure(), it has been enabled on all queues,
1627          * so there is no need to enable it in this queue again.
1628          * The local_conf.offloads input to underlying PMD only carries
1629          * those offloadings which are only enabled on this queue and
1630          * not enabled on all queues.
1631          */
1632         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1633
1634         /*
1635          * New added offloadings for this queue are those not enabled in
1636          * rte_eth_dev_configure() and they must be per-queue type.
1637          * A pure per-port offloading can't be enabled on a queue while
1638          * disabled on another queue. A pure per-port offloading can't
1639          * be enabled for any queue as new added one if it hasn't been
1640          * enabled in rte_eth_dev_configure().
1641          */
1642         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1643              local_conf.offloads) {
1644                 RTE_ETHDEV_LOG(ERR,
1645                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1646                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1647                         port_id, rx_queue_id, local_conf.offloads,
1648                         dev_info.rx_queue_offload_capa,
1649                         __func__);
1650                 return -EINVAL;
1651         }
1652
1653         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1654                                               socket_id, &local_conf, mp);
1655         if (!ret) {
1656                 if (!dev->data->min_rx_buf_size ||
1657                     dev->data->min_rx_buf_size > mbp_buf_size)
1658                         dev->data->min_rx_buf_size = mbp_buf_size;
1659         }
1660
1661         return eth_err(port_id, ret);
1662 }
1663
1664 int
1665 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1666                        uint16_t nb_tx_desc, unsigned int socket_id,
1667                        const struct rte_eth_txconf *tx_conf)
1668 {
1669         struct rte_eth_dev *dev;
1670         struct rte_eth_dev_info dev_info;
1671         struct rte_eth_txconf local_conf;
1672         void **txq;
1673
1674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1675
1676         dev = &rte_eth_devices[port_id];
1677         if (tx_queue_id >= dev->data->nb_tx_queues) {
1678                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1679                 return -EINVAL;
1680         }
1681
1682         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1683         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1684
1685         rte_eth_dev_info_get(port_id, &dev_info);
1686
1687         /* Use default specified by driver, if nb_tx_desc is zero */
1688         if (nb_tx_desc == 0) {
1689                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1690                 /* If driver default is zero, fall back on EAL default */
1691                 if (nb_tx_desc == 0)
1692                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1693         }
1694         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1695             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1696             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1697                 RTE_ETHDEV_LOG(ERR,
1698                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1699                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1700                         dev_info.tx_desc_lim.nb_min,
1701                         dev_info.tx_desc_lim.nb_align);
1702                 return -EINVAL;
1703         }
1704
1705         if (dev->data->dev_started &&
1706                 !(dev_info.dev_capa &
1707                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1708                 return -EBUSY;
1709
1710         if (dev->data->dev_started &&
1711                 (dev->data->tx_queue_state[tx_queue_id] !=
1712                         RTE_ETH_QUEUE_STATE_STOPPED))
1713                 return -EBUSY;
1714
1715         txq = dev->data->tx_queues;
1716         if (txq[tx_queue_id]) {
1717                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1718                                         -ENOTSUP);
1719                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1720                 txq[tx_queue_id] = NULL;
1721         }
1722
1723         if (tx_conf == NULL)
1724                 tx_conf = &dev_info.default_txconf;
1725
1726         local_conf = *tx_conf;
1727
1728         /*
1729          * If an offloading has already been enabled in
1730          * rte_eth_dev_configure(), it has been enabled on all queues,
1731          * so there is no need to enable it in this queue again.
1732          * The local_conf.offloads input to underlying PMD only carries
1733          * those offloadings which are only enabled on this queue and
1734          * not enabled on all queues.
1735          */
1736         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1737
1738         /*
1739          * New added offloadings for this queue are those not enabled in
1740          * rte_eth_dev_configure() and they must be per-queue type.
1741          * A pure per-port offloading can't be enabled on a queue while
1742          * disabled on another queue. A pure per-port offloading can't
1743          * be enabled for any queue as new added one if it hasn't been
1744          * enabled in rte_eth_dev_configure().
1745          */
1746         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1747              local_conf.offloads) {
1748                 RTE_ETHDEV_LOG(ERR,
1749                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1750                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1751                         port_id, tx_queue_id, local_conf.offloads,
1752                         dev_info.tx_queue_offload_capa,
1753                         __func__);
1754                 return -EINVAL;
1755         }
1756
1757         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1758                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1759 }
1760
1761 void
1762 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1763                 void *userdata __rte_unused)
1764 {
1765         unsigned i;
1766
1767         for (i = 0; i < unsent; i++)
1768                 rte_pktmbuf_free(pkts[i]);
1769 }
1770
1771 void
1772 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1773                 void *userdata)
1774 {
1775         uint64_t *count = userdata;
1776         unsigned i;
1777
1778         for (i = 0; i < unsent; i++)
1779                 rte_pktmbuf_free(pkts[i]);
1780
1781         *count += unsent;
1782 }
1783
1784 int
1785 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1786                 buffer_tx_error_fn cbfn, void *userdata)
1787 {
1788         buffer->error_callback = cbfn;
1789         buffer->error_userdata = userdata;
1790         return 0;
1791 }
1792
1793 int
1794 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1795 {
1796         int ret = 0;
1797
1798         if (buffer == NULL)
1799                 return -EINVAL;
1800
1801         buffer->size = size;
1802         if (buffer->error_callback == NULL) {
1803                 ret = rte_eth_tx_buffer_set_err_callback(
1804                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1805         }
1806
1807         return ret;
1808 }
1809
1810 int
1811 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1812 {
1813         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1814         int ret;
1815
1816         /* Validate Input Data. Bail if not valid or not supported. */
1817         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1818         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1819
1820         /* Call driver to free pending mbufs. */
1821         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1822                                                free_cnt);
1823         return eth_err(port_id, ret);
1824 }
1825
1826 void
1827 rte_eth_promiscuous_enable(uint16_t port_id)
1828 {
1829         struct rte_eth_dev *dev;
1830
1831         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1832         dev = &rte_eth_devices[port_id];
1833
1834         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1835         (*dev->dev_ops->promiscuous_enable)(dev);
1836         dev->data->promiscuous = 1;
1837 }
1838
1839 void
1840 rte_eth_promiscuous_disable(uint16_t port_id)
1841 {
1842         struct rte_eth_dev *dev;
1843
1844         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1845         dev = &rte_eth_devices[port_id];
1846
1847         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1848         dev->data->promiscuous = 0;
1849         (*dev->dev_ops->promiscuous_disable)(dev);
1850 }
1851
1852 int
1853 rte_eth_promiscuous_get(uint16_t port_id)
1854 {
1855         struct rte_eth_dev *dev;
1856
1857         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1858
1859         dev = &rte_eth_devices[port_id];
1860         return dev->data->promiscuous;
1861 }
1862
1863 void
1864 rte_eth_allmulticast_enable(uint16_t port_id)
1865 {
1866         struct rte_eth_dev *dev;
1867
1868         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1869         dev = &rte_eth_devices[port_id];
1870
1871         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1872         (*dev->dev_ops->allmulticast_enable)(dev);
1873         dev->data->all_multicast = 1;
1874 }
1875
1876 void
1877 rte_eth_allmulticast_disable(uint16_t port_id)
1878 {
1879         struct rte_eth_dev *dev;
1880
1881         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1882         dev = &rte_eth_devices[port_id];
1883
1884         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1885         dev->data->all_multicast = 0;
1886         (*dev->dev_ops->allmulticast_disable)(dev);
1887 }
1888
1889 int
1890 rte_eth_allmulticast_get(uint16_t port_id)
1891 {
1892         struct rte_eth_dev *dev;
1893
1894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1895
1896         dev = &rte_eth_devices[port_id];
1897         return dev->data->all_multicast;
1898 }
1899
1900 void
1901 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1902 {
1903         struct rte_eth_dev *dev;
1904
1905         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1906         dev = &rte_eth_devices[port_id];
1907
1908         if (dev->data->dev_conf.intr_conf.lsc &&
1909             dev->data->dev_started)
1910                 rte_eth_linkstatus_get(dev, eth_link);
1911         else {
1912                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1913                 (*dev->dev_ops->link_update)(dev, 1);
1914                 *eth_link = dev->data->dev_link;
1915         }
1916 }
1917
1918 void
1919 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1920 {
1921         struct rte_eth_dev *dev;
1922
1923         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1924         dev = &rte_eth_devices[port_id];
1925
1926         if (dev->data->dev_conf.intr_conf.lsc &&
1927             dev->data->dev_started)
1928                 rte_eth_linkstatus_get(dev, eth_link);
1929         else {
1930                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1931                 (*dev->dev_ops->link_update)(dev, 0);
1932                 *eth_link = dev->data->dev_link;
1933         }
1934 }
1935
1936 int
1937 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1938 {
1939         struct rte_eth_dev *dev;
1940
1941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1942
1943         dev = &rte_eth_devices[port_id];
1944         memset(stats, 0, sizeof(*stats));
1945
1946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1947         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1948         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1949 }
1950
1951 int
1952 rte_eth_stats_reset(uint16_t port_id)
1953 {
1954         struct rte_eth_dev *dev;
1955
1956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1957         dev = &rte_eth_devices[port_id];
1958
1959         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1960         (*dev->dev_ops->stats_reset)(dev);
1961         dev->data->rx_mbuf_alloc_failed = 0;
1962
1963         return 0;
1964 }
1965
1966 static inline int
1967 get_xstats_basic_count(struct rte_eth_dev *dev)
1968 {
1969         uint16_t nb_rxqs, nb_txqs;
1970         int count;
1971
1972         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1973         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1974
1975         count = RTE_NB_STATS;
1976         count += nb_rxqs * RTE_NB_RXQ_STATS;
1977         count += nb_txqs * RTE_NB_TXQ_STATS;
1978
1979         return count;
1980 }
1981
1982 static int
1983 get_xstats_count(uint16_t port_id)
1984 {
1985         struct rte_eth_dev *dev;
1986         int count;
1987
1988         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1989         dev = &rte_eth_devices[port_id];
1990         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1991                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1992                                 NULL, 0);
1993                 if (count < 0)
1994                         return eth_err(port_id, count);
1995         }
1996         if (dev->dev_ops->xstats_get_names != NULL) {
1997                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
1998                 if (count < 0)
1999                         return eth_err(port_id, count);
2000         } else
2001                 count = 0;
2002
2003
2004         count += get_xstats_basic_count(dev);
2005
2006         return count;
2007 }
2008
2009 int
2010 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2011                 uint64_t *id)
2012 {
2013         int cnt_xstats, idx_xstat;
2014
2015         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2016
2017         if (!id) {
2018                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2019                 return -ENOMEM;
2020         }
2021
2022         if (!xstat_name) {
2023                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2024                 return -ENOMEM;
2025         }
2026
2027         /* Get count */
2028         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2029         if (cnt_xstats  < 0) {
2030                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2031                 return -ENODEV;
2032         }
2033
2034         /* Get id-name lookup table */
2035         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2036
2037         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2038                         port_id, xstats_names, cnt_xstats, NULL)) {
2039                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2040                 return -1;
2041         }
2042
2043         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2044                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2045                         *id = idx_xstat;
2046                         return 0;
2047                 };
2048         }
2049
2050         return -EINVAL;
2051 }
2052
2053 /* retrieve basic stats names */
2054 static int
2055 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2056         struct rte_eth_xstat_name *xstats_names)
2057 {
2058         int cnt_used_entries = 0;
2059         uint32_t idx, id_queue;
2060         uint16_t num_q;
2061
2062         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2063                 snprintf(xstats_names[cnt_used_entries].name,
2064                         sizeof(xstats_names[0].name),
2065                         "%s", rte_stats_strings[idx].name);
2066                 cnt_used_entries++;
2067         }
2068         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2069         for (id_queue = 0; id_queue < num_q; id_queue++) {
2070                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2071                         snprintf(xstats_names[cnt_used_entries].name,
2072                                 sizeof(xstats_names[0].name),
2073                                 "rx_q%u%s",
2074                                 id_queue, rte_rxq_stats_strings[idx].name);
2075                         cnt_used_entries++;
2076                 }
2077
2078         }
2079         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2080         for (id_queue = 0; id_queue < num_q; id_queue++) {
2081                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2082                         snprintf(xstats_names[cnt_used_entries].name,
2083                                 sizeof(xstats_names[0].name),
2084                                 "tx_q%u%s",
2085                                 id_queue, rte_txq_stats_strings[idx].name);
2086                         cnt_used_entries++;
2087                 }
2088         }
2089         return cnt_used_entries;
2090 }
2091
2092 /* retrieve ethdev extended statistics names */
2093 int
2094 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2095         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2096         uint64_t *ids)
2097 {
2098         struct rte_eth_xstat_name *xstats_names_copy;
2099         unsigned int no_basic_stat_requested = 1;
2100         unsigned int no_ext_stat_requested = 1;
2101         unsigned int expected_entries;
2102         unsigned int basic_count;
2103         struct rte_eth_dev *dev;
2104         unsigned int i;
2105         int ret;
2106
2107         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2108         dev = &rte_eth_devices[port_id];
2109
2110         basic_count = get_xstats_basic_count(dev);
2111         ret = get_xstats_count(port_id);
2112         if (ret < 0)
2113                 return ret;
2114         expected_entries = (unsigned int)ret;
2115
2116         /* Return max number of stats if no ids given */
2117         if (!ids) {
2118                 if (!xstats_names)
2119                         return expected_entries;
2120                 else if (xstats_names && size < expected_entries)
2121                         return expected_entries;
2122         }
2123
2124         if (ids && !xstats_names)
2125                 return -EINVAL;
2126
2127         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2128                 uint64_t ids_copy[size];
2129
2130                 for (i = 0; i < size; i++) {
2131                         if (ids[i] < basic_count) {
2132                                 no_basic_stat_requested = 0;
2133                                 break;
2134                         }
2135
2136                         /*
2137                          * Convert ids to xstats ids that PMD knows.
2138                          * ids known by user are basic + extended stats.
2139                          */
2140                         ids_copy[i] = ids[i] - basic_count;
2141                 }
2142
2143                 if (no_basic_stat_requested)
2144                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2145                                         xstats_names, ids_copy, size);
2146         }
2147
2148         /* Retrieve all stats */
2149         if (!ids) {
2150                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2151                                 expected_entries);
2152                 if (num_stats < 0 || num_stats > (int)expected_entries)
2153                         return num_stats;
2154                 else
2155                         return expected_entries;
2156         }
2157
2158         xstats_names_copy = calloc(expected_entries,
2159                 sizeof(struct rte_eth_xstat_name));
2160
2161         if (!xstats_names_copy) {
2162                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2163                 return -ENOMEM;
2164         }
2165
2166         if (ids) {
2167                 for (i = 0; i < size; i++) {
2168                         if (ids[i] >= basic_count) {
2169                                 no_ext_stat_requested = 0;
2170                                 break;
2171                         }
2172                 }
2173         }
2174
2175         /* Fill xstats_names_copy structure */
2176         if (ids && no_ext_stat_requested) {
2177                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2178         } else {
2179                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2180                         expected_entries);
2181                 if (ret < 0) {
2182                         free(xstats_names_copy);
2183                         return ret;
2184                 }
2185         }
2186
2187         /* Filter stats */
2188         for (i = 0; i < size; i++) {
2189                 if (ids[i] >= expected_entries) {
2190                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2191                         free(xstats_names_copy);
2192                         return -1;
2193                 }
2194                 xstats_names[i] = xstats_names_copy[ids[i]];
2195         }
2196
2197         free(xstats_names_copy);
2198         return size;
2199 }
2200
2201 int
2202 rte_eth_xstats_get_names(uint16_t port_id,
2203         struct rte_eth_xstat_name *xstats_names,
2204         unsigned int size)
2205 {
2206         struct rte_eth_dev *dev;
2207         int cnt_used_entries;
2208         int cnt_expected_entries;
2209         int cnt_driver_entries;
2210
2211         cnt_expected_entries = get_xstats_count(port_id);
2212         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2213                         (int)size < cnt_expected_entries)
2214                 return cnt_expected_entries;
2215
2216         /* port_id checked in get_xstats_count() */
2217         dev = &rte_eth_devices[port_id];
2218
2219         cnt_used_entries = rte_eth_basic_stats_get_names(
2220                 dev, xstats_names);
2221
2222         if (dev->dev_ops->xstats_get_names != NULL) {
2223                 /* If there are any driver-specific xstats, append them
2224                  * to end of list.
2225                  */
2226                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2227                         dev,
2228                         xstats_names + cnt_used_entries,
2229                         size - cnt_used_entries);
2230                 if (cnt_driver_entries < 0)
2231                         return eth_err(port_id, cnt_driver_entries);
2232                 cnt_used_entries += cnt_driver_entries;
2233         }
2234
2235         return cnt_used_entries;
2236 }
2237
2238
2239 static int
2240 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2241 {
2242         struct rte_eth_dev *dev;
2243         struct rte_eth_stats eth_stats;
2244         unsigned int count = 0, i, q;
2245         uint64_t val, *stats_ptr;
2246         uint16_t nb_rxqs, nb_txqs;
2247         int ret;
2248
2249         ret = rte_eth_stats_get(port_id, &eth_stats);
2250         if (ret < 0)
2251                 return ret;
2252
2253         dev = &rte_eth_devices[port_id];
2254
2255         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2256         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2257
2258         /* global stats */
2259         for (i = 0; i < RTE_NB_STATS; i++) {
2260                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2261                                         rte_stats_strings[i].offset);
2262                 val = *stats_ptr;
2263                 xstats[count++].value = val;
2264         }
2265
2266         /* per-rxq stats */
2267         for (q = 0; q < nb_rxqs; q++) {
2268                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2269                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2270                                         rte_rxq_stats_strings[i].offset +
2271                                         q * sizeof(uint64_t));
2272                         val = *stats_ptr;
2273                         xstats[count++].value = val;
2274                 }
2275         }
2276
2277         /* per-txq stats */
2278         for (q = 0; q < nb_txqs; q++) {
2279                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2280                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2281                                         rte_txq_stats_strings[i].offset +
2282                                         q * sizeof(uint64_t));
2283                         val = *stats_ptr;
2284                         xstats[count++].value = val;
2285                 }
2286         }
2287         return count;
2288 }
2289
2290 /* retrieve ethdev extended statistics */
2291 int
2292 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2293                          uint64_t *values, unsigned int size)
2294 {
2295         unsigned int no_basic_stat_requested = 1;
2296         unsigned int no_ext_stat_requested = 1;
2297         unsigned int num_xstats_filled;
2298         unsigned int basic_count;
2299         uint16_t expected_entries;
2300         struct rte_eth_dev *dev;
2301         unsigned int i;
2302         int ret;
2303
2304         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2305         ret = get_xstats_count(port_id);
2306         if (ret < 0)
2307                 return ret;
2308         expected_entries = (uint16_t)ret;
2309         struct rte_eth_xstat xstats[expected_entries];
2310         dev = &rte_eth_devices[port_id];
2311         basic_count = get_xstats_basic_count(dev);
2312
2313         /* Return max number of stats if no ids given */
2314         if (!ids) {
2315                 if (!values)
2316                         return expected_entries;
2317                 else if (values && size < expected_entries)
2318                         return expected_entries;
2319         }
2320
2321         if (ids && !values)
2322                 return -EINVAL;
2323
2324         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2325                 unsigned int basic_count = get_xstats_basic_count(dev);
2326                 uint64_t ids_copy[size];
2327
2328                 for (i = 0; i < size; i++) {
2329                         if (ids[i] < basic_count) {
2330                                 no_basic_stat_requested = 0;
2331                                 break;
2332                         }
2333
2334                         /*
2335                          * Convert ids to xstats ids that PMD knows.
2336                          * ids known by user are basic + extended stats.
2337                          */
2338                         ids_copy[i] = ids[i] - basic_count;
2339                 }
2340
2341                 if (no_basic_stat_requested)
2342                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2343                                         values, size);
2344         }
2345
2346         if (ids) {
2347                 for (i = 0; i < size; i++) {
2348                         if (ids[i] >= basic_count) {
2349                                 no_ext_stat_requested = 0;
2350                                 break;
2351                         }
2352                 }
2353         }
2354
2355         /* Fill the xstats structure */
2356         if (ids && no_ext_stat_requested)
2357                 ret = rte_eth_basic_stats_get(port_id, xstats);
2358         else
2359                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2360
2361         if (ret < 0)
2362                 return ret;
2363         num_xstats_filled = (unsigned int)ret;
2364
2365         /* Return all stats */
2366         if (!ids) {
2367                 for (i = 0; i < num_xstats_filled; i++)
2368                         values[i] = xstats[i].value;
2369                 return expected_entries;
2370         }
2371
2372         /* Filter stats */
2373         for (i = 0; i < size; i++) {
2374                 if (ids[i] >= expected_entries) {
2375                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2376                         return -1;
2377                 }
2378                 values[i] = xstats[ids[i]].value;
2379         }
2380         return size;
2381 }
2382
2383 int
2384 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2385         unsigned int n)
2386 {
2387         struct rte_eth_dev *dev;
2388         unsigned int count = 0, i;
2389         signed int xcount = 0;
2390         uint16_t nb_rxqs, nb_txqs;
2391         int ret;
2392
2393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2394
2395         dev = &rte_eth_devices[port_id];
2396
2397         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2398         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2399
2400         /* Return generic statistics */
2401         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2402                 (nb_txqs * RTE_NB_TXQ_STATS);
2403
2404         /* implemented by the driver */
2405         if (dev->dev_ops->xstats_get != NULL) {
2406                 /* Retrieve the xstats from the driver at the end of the
2407                  * xstats struct.
2408                  */
2409                 xcount = (*dev->dev_ops->xstats_get)(dev,
2410                                      xstats ? xstats + count : NULL,
2411                                      (n > count) ? n - count : 0);
2412
2413                 if (xcount < 0)
2414                         return eth_err(port_id, xcount);
2415         }
2416
2417         if (n < count + xcount || xstats == NULL)
2418                 return count + xcount;
2419
2420         /* now fill the xstats structure */
2421         ret = rte_eth_basic_stats_get(port_id, xstats);
2422         if (ret < 0)
2423                 return ret;
2424         count = ret;
2425
2426         for (i = 0; i < count; i++)
2427                 xstats[i].id = i;
2428         /* add an offset to driver-specific stats */
2429         for ( ; i < count + xcount; i++)
2430                 xstats[i].id += count;
2431
2432         return count + xcount;
2433 }
2434
2435 /* reset ethdev extended statistics */
2436 void
2437 rte_eth_xstats_reset(uint16_t port_id)
2438 {
2439         struct rte_eth_dev *dev;
2440
2441         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2442         dev = &rte_eth_devices[port_id];
2443
2444         /* implemented by the driver */
2445         if (dev->dev_ops->xstats_reset != NULL) {
2446                 (*dev->dev_ops->xstats_reset)(dev);
2447                 return;
2448         }
2449
2450         /* fallback to default */
2451         rte_eth_stats_reset(port_id);
2452 }
2453
2454 static int
2455 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2456                 uint8_t is_rx)
2457 {
2458         struct rte_eth_dev *dev;
2459
2460         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2461
2462         dev = &rte_eth_devices[port_id];
2463
2464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2465
2466         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2467                 return -EINVAL;
2468
2469         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2470                 return -EINVAL;
2471
2472         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2473                 return -EINVAL;
2474
2475         return (*dev->dev_ops->queue_stats_mapping_set)
2476                         (dev, queue_id, stat_idx, is_rx);
2477 }
2478
2479
2480 int
2481 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2482                 uint8_t stat_idx)
2483 {
2484         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2485                                                 stat_idx, STAT_QMAP_TX));
2486 }
2487
2488
2489 int
2490 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2491                 uint8_t stat_idx)
2492 {
2493         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2494                                                 stat_idx, STAT_QMAP_RX));
2495 }
2496
2497 int
2498 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2499 {
2500         struct rte_eth_dev *dev;
2501
2502         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2503         dev = &rte_eth_devices[port_id];
2504
2505         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2506         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2507                                                         fw_version, fw_size));
2508 }
2509
2510 void
2511 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2512 {
2513         struct rte_eth_dev *dev;
2514         const struct rte_eth_desc_lim lim = {
2515                 .nb_max = UINT16_MAX,
2516                 .nb_min = 0,
2517                 .nb_align = 1,
2518         };
2519
2520         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2521         dev = &rte_eth_devices[port_id];
2522
2523         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2524         dev_info->rx_desc_lim = lim;
2525         dev_info->tx_desc_lim = lim;
2526         dev_info->device = dev->device;
2527
2528         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2529         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2530         dev_info->driver_name = dev->device->driver->name;
2531         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2532         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2533
2534         dev_info->dev_flags = &dev->data->dev_flags;
2535 }
2536
2537 int
2538 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2539                                  uint32_t *ptypes, int num)
2540 {
2541         int i, j;
2542         struct rte_eth_dev *dev;
2543         const uint32_t *all_ptypes;
2544
2545         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2546         dev = &rte_eth_devices[port_id];
2547         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2548         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2549
2550         if (!all_ptypes)
2551                 return 0;
2552
2553         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2554                 if (all_ptypes[i] & ptype_mask) {
2555                         if (j < num)
2556                                 ptypes[j] = all_ptypes[i];
2557                         j++;
2558                 }
2559
2560         return j;
2561 }
2562
2563 void
2564 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2565 {
2566         struct rte_eth_dev *dev;
2567
2568         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2569         dev = &rte_eth_devices[port_id];
2570         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2571 }
2572
2573
2574 int
2575 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2576 {
2577         struct rte_eth_dev *dev;
2578
2579         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2580
2581         dev = &rte_eth_devices[port_id];
2582         *mtu = dev->data->mtu;
2583         return 0;
2584 }
2585
2586 int
2587 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2588 {
2589         int ret;
2590         struct rte_eth_dev *dev;
2591
2592         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2593         dev = &rte_eth_devices[port_id];
2594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2595
2596         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2597         if (!ret)
2598                 dev->data->mtu = mtu;
2599
2600         return eth_err(port_id, ret);
2601 }
2602
2603 int
2604 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2605 {
2606         struct rte_eth_dev *dev;
2607         int ret;
2608
2609         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2610         dev = &rte_eth_devices[port_id];
2611         if (!(dev->data->dev_conf.rxmode.offloads &
2612               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2613                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2614                         port_id);
2615                 return -ENOSYS;
2616         }
2617
2618         if (vlan_id > 4095) {
2619                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2620                         port_id, vlan_id);
2621                 return -EINVAL;
2622         }
2623         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2624
2625         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2626         if (ret == 0) {
2627                 struct rte_vlan_filter_conf *vfc;
2628                 int vidx;
2629                 int vbit;
2630
2631                 vfc = &dev->data->vlan_filter_conf;
2632                 vidx = vlan_id / 64;
2633                 vbit = vlan_id % 64;
2634
2635                 if (on)
2636                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2637                 else
2638                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2639         }
2640
2641         return eth_err(port_id, ret);
2642 }
2643
2644 int
2645 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2646                                     int on)
2647 {
2648         struct rte_eth_dev *dev;
2649
2650         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2651         dev = &rte_eth_devices[port_id];
2652         if (rx_queue_id >= dev->data->nb_rx_queues) {
2653                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2654                 return -EINVAL;
2655         }
2656
2657         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2658         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2659
2660         return 0;
2661 }
2662
2663 int
2664 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2665                                 enum rte_vlan_type vlan_type,
2666                                 uint16_t tpid)
2667 {
2668         struct rte_eth_dev *dev;
2669
2670         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2671         dev = &rte_eth_devices[port_id];
2672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2673
2674         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2675                                                                tpid));
2676 }
2677
2678 int
2679 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2680 {
2681         struct rte_eth_dev *dev;
2682         int ret = 0;
2683         int mask = 0;
2684         int cur, org = 0;
2685         uint64_t orig_offloads;
2686
2687         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2688         dev = &rte_eth_devices[port_id];
2689
2690         /* save original values in case of failure */
2691         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2692
2693         /*check which option changed by application*/
2694         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2695         org = !!(dev->data->dev_conf.rxmode.offloads &
2696                  DEV_RX_OFFLOAD_VLAN_STRIP);
2697         if (cur != org) {
2698                 if (cur)
2699                         dev->data->dev_conf.rxmode.offloads |=
2700                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2701                 else
2702                         dev->data->dev_conf.rxmode.offloads &=
2703                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2704                 mask |= ETH_VLAN_STRIP_MASK;
2705         }
2706
2707         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2708         org = !!(dev->data->dev_conf.rxmode.offloads &
2709                  DEV_RX_OFFLOAD_VLAN_FILTER);
2710         if (cur != org) {
2711                 if (cur)
2712                         dev->data->dev_conf.rxmode.offloads |=
2713                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2714                 else
2715                         dev->data->dev_conf.rxmode.offloads &=
2716                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2717                 mask |= ETH_VLAN_FILTER_MASK;
2718         }
2719
2720         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2721         org = !!(dev->data->dev_conf.rxmode.offloads &
2722                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2723         if (cur != org) {
2724                 if (cur)
2725                         dev->data->dev_conf.rxmode.offloads |=
2726                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2727                 else
2728                         dev->data->dev_conf.rxmode.offloads &=
2729                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2730                 mask |= ETH_VLAN_EXTEND_MASK;
2731         }
2732
2733         /*no change*/
2734         if (mask == 0)
2735                 return ret;
2736
2737         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2738         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2739         if (ret) {
2740                 /* hit an error restore  original values */
2741                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2742         }
2743
2744         return eth_err(port_id, ret);
2745 }
2746
2747 int
2748 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2749 {
2750         struct rte_eth_dev *dev;
2751         int ret = 0;
2752
2753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2754         dev = &rte_eth_devices[port_id];
2755
2756         if (dev->data->dev_conf.rxmode.offloads &
2757             DEV_RX_OFFLOAD_VLAN_STRIP)
2758                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2759
2760         if (dev->data->dev_conf.rxmode.offloads &
2761             DEV_RX_OFFLOAD_VLAN_FILTER)
2762                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2763
2764         if (dev->data->dev_conf.rxmode.offloads &
2765             DEV_RX_OFFLOAD_VLAN_EXTEND)
2766                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2767
2768         return ret;
2769 }
2770
2771 int
2772 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2773 {
2774         struct rte_eth_dev *dev;
2775
2776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2777         dev = &rte_eth_devices[port_id];
2778         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2779
2780         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2781 }
2782
2783 int
2784 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2785 {
2786         struct rte_eth_dev *dev;
2787
2788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2789         dev = &rte_eth_devices[port_id];
2790         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2791         memset(fc_conf, 0, sizeof(*fc_conf));
2792         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2793 }
2794
2795 int
2796 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2797 {
2798         struct rte_eth_dev *dev;
2799
2800         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2801         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2802                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2803                 return -EINVAL;
2804         }
2805
2806         dev = &rte_eth_devices[port_id];
2807         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2808         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2809 }
2810
2811 int
2812 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2813                                    struct rte_eth_pfc_conf *pfc_conf)
2814 {
2815         struct rte_eth_dev *dev;
2816
2817         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2818         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2819                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2820                 return -EINVAL;
2821         }
2822
2823         dev = &rte_eth_devices[port_id];
2824         /* High water, low water validation are device specific */
2825         if  (*dev->dev_ops->priority_flow_ctrl_set)
2826                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2827                                         (dev, pfc_conf));
2828         return -ENOTSUP;
2829 }
2830
2831 static int
2832 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2833                         uint16_t reta_size)
2834 {
2835         uint16_t i, num;
2836
2837         if (!reta_conf)
2838                 return -EINVAL;
2839
2840         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2841         for (i = 0; i < num; i++) {
2842                 if (reta_conf[i].mask)
2843                         return 0;
2844         }
2845
2846         return -EINVAL;
2847 }
2848
2849 static int
2850 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2851                          uint16_t reta_size,
2852                          uint16_t max_rxq)
2853 {
2854         uint16_t i, idx, shift;
2855
2856         if (!reta_conf)
2857                 return -EINVAL;
2858
2859         if (max_rxq == 0) {
2860                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2861                 return -EINVAL;
2862         }
2863
2864         for (i = 0; i < reta_size; i++) {
2865                 idx = i / RTE_RETA_GROUP_SIZE;
2866                 shift = i % RTE_RETA_GROUP_SIZE;
2867                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2868                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2869                         RTE_ETHDEV_LOG(ERR,
2870                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2871                                 idx, shift,
2872                                 reta_conf[idx].reta[shift], max_rxq);
2873                         return -EINVAL;
2874                 }
2875         }
2876
2877         return 0;
2878 }
2879
2880 int
2881 rte_eth_dev_rss_reta_update(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         /* Check mask bits */
2890         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2891         if (ret < 0)
2892                 return ret;
2893
2894         dev = &rte_eth_devices[port_id];
2895
2896         /* Check entry value */
2897         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2898                                 dev->data->nb_rx_queues);
2899         if (ret < 0)
2900                 return ret;
2901
2902         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2903         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2904                                                              reta_size));
2905 }
2906
2907 int
2908 rte_eth_dev_rss_reta_query(uint16_t port_id,
2909                            struct rte_eth_rss_reta_entry64 *reta_conf,
2910                            uint16_t reta_size)
2911 {
2912         struct rte_eth_dev *dev;
2913         int ret;
2914
2915         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2916
2917         /* Check mask bits */
2918         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2919         if (ret < 0)
2920                 return ret;
2921
2922         dev = &rte_eth_devices[port_id];
2923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2924         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2925                                                             reta_size));
2926 }
2927
2928 int
2929 rte_eth_dev_rss_hash_update(uint16_t port_id,
2930                             struct rte_eth_rss_conf *rss_conf)
2931 {
2932         struct rte_eth_dev *dev;
2933         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2934
2935         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2936         dev = &rte_eth_devices[port_id];
2937         rte_eth_dev_info_get(port_id, &dev_info);
2938         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2939             dev_info.flow_type_rss_offloads) {
2940                 RTE_ETHDEV_LOG(ERR,
2941                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2942                         port_id, rss_conf->rss_hf,
2943                         dev_info.flow_type_rss_offloads);
2944                 return -EINVAL;
2945         }
2946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2947         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2948                                                                  rss_conf));
2949 }
2950
2951 int
2952 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2953                               struct rte_eth_rss_conf *rss_conf)
2954 {
2955         struct rte_eth_dev *dev;
2956
2957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2958         dev = &rte_eth_devices[port_id];
2959         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2960         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2961                                                                    rss_conf));
2962 }
2963
2964 int
2965 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2966                                 struct rte_eth_udp_tunnel *udp_tunnel)
2967 {
2968         struct rte_eth_dev *dev;
2969
2970         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2971         if (udp_tunnel == NULL) {
2972                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2973                 return -EINVAL;
2974         }
2975
2976         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2977                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2978                 return -EINVAL;
2979         }
2980
2981         dev = &rte_eth_devices[port_id];
2982         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2983         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2984                                                                 udp_tunnel));
2985 }
2986
2987 int
2988 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2989                                    struct rte_eth_udp_tunnel *udp_tunnel)
2990 {
2991         struct rte_eth_dev *dev;
2992
2993         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2994         dev = &rte_eth_devices[port_id];
2995
2996         if (udp_tunnel == NULL) {
2997                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2998                 return -EINVAL;
2999         }
3000
3001         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3002                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3003                 return -EINVAL;
3004         }
3005
3006         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3007         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3008                                                                 udp_tunnel));
3009 }
3010
3011 int
3012 rte_eth_led_on(uint16_t port_id)
3013 {
3014         struct rte_eth_dev *dev;
3015
3016         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3017         dev = &rte_eth_devices[port_id];
3018         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3019         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3020 }
3021
3022 int
3023 rte_eth_led_off(uint16_t port_id)
3024 {
3025         struct rte_eth_dev *dev;
3026
3027         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3028         dev = &rte_eth_devices[port_id];
3029         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3030         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3031 }
3032
3033 /*
3034  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3035  * an empty spot.
3036  */
3037 static int
3038 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3039 {
3040         struct rte_eth_dev_info dev_info;
3041         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3042         unsigned i;
3043
3044         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3045         rte_eth_dev_info_get(port_id, &dev_info);
3046
3047         for (i = 0; i < dev_info.max_mac_addrs; i++)
3048                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3049                         return i;
3050
3051         return -1;
3052 }
3053
3054 static const struct ether_addr null_mac_addr;
3055
3056 int
3057 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3058                         uint32_t pool)
3059 {
3060         struct rte_eth_dev *dev;
3061         int index;
3062         uint64_t pool_mask;
3063         int ret;
3064
3065         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3066         dev = &rte_eth_devices[port_id];
3067         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3068
3069         if (is_zero_ether_addr(addr)) {
3070                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3071                         port_id);
3072                 return -EINVAL;
3073         }
3074         if (pool >= ETH_64_POOLS) {
3075                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3076                 return -EINVAL;
3077         }
3078
3079         index = get_mac_addr_index(port_id, addr);
3080         if (index < 0) {
3081                 index = get_mac_addr_index(port_id, &null_mac_addr);
3082                 if (index < 0) {
3083                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3084                                 port_id);
3085                         return -ENOSPC;
3086                 }
3087         } else {
3088                 pool_mask = dev->data->mac_pool_sel[index];
3089
3090                 /* Check if both MAC address and pool is already there, and do nothing */
3091                 if (pool_mask & (1ULL << pool))
3092                         return 0;
3093         }
3094
3095         /* Update NIC */
3096         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3097
3098         if (ret == 0) {
3099                 /* Update address in NIC data structure */
3100                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3101
3102                 /* Update pool bitmap in NIC data structure */
3103                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3104         }
3105
3106         return eth_err(port_id, ret);
3107 }
3108
3109 int
3110 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3111 {
3112         struct rte_eth_dev *dev;
3113         int index;
3114
3115         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3116         dev = &rte_eth_devices[port_id];
3117         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3118
3119         index = get_mac_addr_index(port_id, addr);
3120         if (index == 0) {
3121                 RTE_ETHDEV_LOG(ERR,
3122                         "Port %u: Cannot remove default MAC address\n",
3123                         port_id);
3124                 return -EADDRINUSE;
3125         } else if (index < 0)
3126                 return 0;  /* Do nothing if address wasn't found */
3127
3128         /* Update NIC */
3129         (*dev->dev_ops->mac_addr_remove)(dev, index);
3130
3131         /* Update address in NIC data structure */
3132         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3133
3134         /* reset pool bitmap */
3135         dev->data->mac_pool_sel[index] = 0;
3136
3137         return 0;
3138 }
3139
3140 int
3141 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3142 {
3143         struct rte_eth_dev *dev;
3144         int ret;
3145
3146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3147
3148         if (!is_valid_assigned_ether_addr(addr))
3149                 return -EINVAL;
3150
3151         dev = &rte_eth_devices[port_id];
3152         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3153
3154         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3155         if (ret < 0)
3156                 return ret;
3157
3158         /* Update default address in NIC data structure */
3159         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3160
3161         return 0;
3162 }
3163
3164
3165 /*
3166  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3167  * an empty spot.
3168  */
3169 static int
3170 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3171 {
3172         struct rte_eth_dev_info dev_info;
3173         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3174         unsigned i;
3175
3176         rte_eth_dev_info_get(port_id, &dev_info);
3177         if (!dev->data->hash_mac_addrs)
3178                 return -1;
3179
3180         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3181                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3182                         ETHER_ADDR_LEN) == 0)
3183                         return i;
3184
3185         return -1;
3186 }
3187
3188 int
3189 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3190                                 uint8_t on)
3191 {
3192         int index;
3193         int ret;
3194         struct rte_eth_dev *dev;
3195
3196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3197
3198         dev = &rte_eth_devices[port_id];
3199         if (is_zero_ether_addr(addr)) {
3200                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3201                         port_id);
3202                 return -EINVAL;
3203         }
3204
3205         index = get_hash_mac_addr_index(port_id, addr);
3206         /* Check if it's already there, and do nothing */
3207         if ((index >= 0) && on)
3208                 return 0;
3209
3210         if (index < 0) {
3211                 if (!on) {
3212                         RTE_ETHDEV_LOG(ERR,
3213                                 "Port %u: the MAC address was not set in UTA\n",
3214                                 port_id);
3215                         return -EINVAL;
3216                 }
3217
3218                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3219                 if (index < 0) {
3220                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3221                                 port_id);
3222                         return -ENOSPC;
3223                 }
3224         }
3225
3226         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3227         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3228         if (ret == 0) {
3229                 /* Update address in NIC data structure */
3230                 if (on)
3231                         ether_addr_copy(addr,
3232                                         &dev->data->hash_mac_addrs[index]);
3233                 else
3234                         ether_addr_copy(&null_mac_addr,
3235                                         &dev->data->hash_mac_addrs[index]);
3236         }
3237
3238         return eth_err(port_id, ret);
3239 }
3240
3241 int
3242 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3243 {
3244         struct rte_eth_dev *dev;
3245
3246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3247
3248         dev = &rte_eth_devices[port_id];
3249
3250         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3251         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3252                                                                        on));
3253 }
3254
3255 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3256                                         uint16_t tx_rate)
3257 {
3258         struct rte_eth_dev *dev;
3259         struct rte_eth_dev_info dev_info;
3260         struct rte_eth_link link;
3261
3262         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3263
3264         dev = &rte_eth_devices[port_id];
3265         rte_eth_dev_info_get(port_id, &dev_info);
3266         link = dev->data->dev_link;
3267
3268         if (queue_idx > dev_info.max_tx_queues) {
3269                 RTE_ETHDEV_LOG(ERR,
3270                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3271                         port_id, queue_idx);
3272                 return -EINVAL;
3273         }
3274
3275         if (tx_rate > link.link_speed) {
3276                 RTE_ETHDEV_LOG(ERR,
3277                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3278                         tx_rate, link.link_speed);
3279                 return -EINVAL;
3280         }
3281
3282         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3283         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3284                                                         queue_idx, tx_rate));
3285 }
3286
3287 int
3288 rte_eth_mirror_rule_set(uint16_t port_id,
3289                         struct rte_eth_mirror_conf *mirror_conf,
3290                         uint8_t rule_id, uint8_t on)
3291 {
3292         struct rte_eth_dev *dev;
3293
3294         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3295         if (mirror_conf->rule_type == 0) {
3296                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3297                 return -EINVAL;
3298         }
3299
3300         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3301                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3302                         ETH_64_POOLS - 1);
3303                 return -EINVAL;
3304         }
3305
3306         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3307              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3308             (mirror_conf->pool_mask == 0)) {
3309                 RTE_ETHDEV_LOG(ERR,
3310                         "Invalid mirror pool, pool mask can not be 0\n");
3311                 return -EINVAL;
3312         }
3313
3314         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3315             mirror_conf->vlan.vlan_mask == 0) {
3316                 RTE_ETHDEV_LOG(ERR,
3317                         "Invalid vlan mask, vlan mask can not be 0\n");
3318                 return -EINVAL;
3319         }
3320
3321         dev = &rte_eth_devices[port_id];
3322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3323
3324         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3325                                                 mirror_conf, rule_id, on));
3326 }
3327
3328 int
3329 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3330 {
3331         struct rte_eth_dev *dev;
3332
3333         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3334
3335         dev = &rte_eth_devices[port_id];
3336         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3337
3338         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3339                                                                    rule_id));
3340 }
3341
3342 RTE_INIT(eth_dev_init_cb_lists)
3343 {
3344         int i;
3345
3346         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3347                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3348 }
3349
3350 int
3351 rte_eth_dev_callback_register(uint16_t port_id,
3352                         enum rte_eth_event_type event,
3353                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3354 {
3355         struct rte_eth_dev *dev;
3356         struct rte_eth_dev_callback *user_cb;
3357         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3358         uint16_t last_port;
3359
3360         if (!cb_fn)
3361                 return -EINVAL;
3362
3363         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3364                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3365                 return -EINVAL;
3366         }
3367
3368         if (port_id == RTE_ETH_ALL) {
3369                 next_port = 0;
3370                 last_port = RTE_MAX_ETHPORTS - 1;
3371         } else {
3372                 next_port = last_port = port_id;
3373         }
3374
3375         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3376
3377         do {
3378                 dev = &rte_eth_devices[next_port];
3379
3380                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3381                         if (user_cb->cb_fn == cb_fn &&
3382                                 user_cb->cb_arg == cb_arg &&
3383                                 user_cb->event == event) {
3384                                 break;
3385                         }
3386                 }
3387
3388                 /* create a new callback. */
3389                 if (user_cb == NULL) {
3390                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3391                                 sizeof(struct rte_eth_dev_callback), 0);
3392                         if (user_cb != NULL) {
3393                                 user_cb->cb_fn = cb_fn;
3394                                 user_cb->cb_arg = cb_arg;
3395                                 user_cb->event = event;
3396                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3397                                                   user_cb, next);
3398                         } else {
3399                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3400                                 rte_eth_dev_callback_unregister(port_id, event,
3401                                                                 cb_fn, cb_arg);
3402                                 return -ENOMEM;
3403                         }
3404
3405                 }
3406         } while (++next_port <= last_port);
3407
3408         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3409         return 0;
3410 }
3411
3412 int
3413 rte_eth_dev_callback_unregister(uint16_t port_id,
3414                         enum rte_eth_event_type event,
3415                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3416 {
3417         int ret;
3418         struct rte_eth_dev *dev;
3419         struct rte_eth_dev_callback *cb, *next;
3420         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3421         uint16_t last_port;
3422
3423         if (!cb_fn)
3424                 return -EINVAL;
3425
3426         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3427                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3428                 return -EINVAL;
3429         }
3430
3431         if (port_id == RTE_ETH_ALL) {
3432                 next_port = 0;
3433                 last_port = RTE_MAX_ETHPORTS - 1;
3434         } else {
3435                 next_port = last_port = port_id;
3436         }
3437
3438         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3439
3440         do {
3441                 dev = &rte_eth_devices[next_port];
3442                 ret = 0;
3443                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3444                      cb = next) {
3445
3446                         next = TAILQ_NEXT(cb, next);
3447
3448                         if (cb->cb_fn != cb_fn || cb->event != event ||
3449                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3450                                 continue;
3451
3452                         /*
3453                          * if this callback is not executing right now,
3454                          * then remove it.
3455                          */
3456                         if (cb->active == 0) {
3457                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3458                                 rte_free(cb);
3459                         } else {
3460                                 ret = -EAGAIN;
3461                         }
3462                 }
3463         } while (++next_port <= last_port);
3464
3465         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3466         return ret;
3467 }
3468
3469 int
3470 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3471         enum rte_eth_event_type event, void *ret_param)
3472 {
3473         struct rte_eth_dev_callback *cb_lst;
3474         struct rte_eth_dev_callback dev_cb;
3475         int rc = 0;
3476
3477         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3478         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3479                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3480                         continue;
3481                 dev_cb = *cb_lst;
3482                 cb_lst->active = 1;
3483                 if (ret_param != NULL)
3484                         dev_cb.ret_param = ret_param;
3485
3486                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3487                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3488                                 dev_cb.cb_arg, dev_cb.ret_param);
3489                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3490                 cb_lst->active = 0;
3491         }
3492         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3493         return rc;
3494 }
3495
3496 void
3497 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3498 {
3499         if (dev == NULL)
3500                 return;
3501
3502         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3503
3504         dev->state = RTE_ETH_DEV_ATTACHED;
3505 }
3506
3507 int
3508 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3509 {
3510         uint32_t vec;
3511         struct rte_eth_dev *dev;
3512         struct rte_intr_handle *intr_handle;
3513         uint16_t qid;
3514         int rc;
3515
3516         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3517
3518         dev = &rte_eth_devices[port_id];
3519
3520         if (!dev->intr_handle) {
3521                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3522                 return -ENOTSUP;
3523         }
3524
3525         intr_handle = dev->intr_handle;
3526         if (!intr_handle->intr_vec) {
3527                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3528                 return -EPERM;
3529         }
3530
3531         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3532                 vec = intr_handle->intr_vec[qid];
3533                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3534                 if (rc && rc != -EEXIST) {
3535                         RTE_ETHDEV_LOG(ERR,
3536                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3537                                 port_id, qid, op, epfd, vec);
3538                 }
3539         }
3540
3541         return 0;
3542 }
3543
3544 int __rte_experimental
3545 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3546 {
3547         struct rte_intr_handle *intr_handle;
3548         struct rte_eth_dev *dev;
3549         unsigned int efd_idx;
3550         uint32_t vec;
3551         int fd;
3552
3553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3554
3555         dev = &rte_eth_devices[port_id];
3556
3557         if (queue_id >= dev->data->nb_rx_queues) {
3558                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3559                 return -1;
3560         }
3561
3562         if (!dev->intr_handle) {
3563                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3564                 return -1;
3565         }
3566
3567         intr_handle = dev->intr_handle;
3568         if (!intr_handle->intr_vec) {
3569                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3570                 return -1;
3571         }
3572
3573         vec = intr_handle->intr_vec[queue_id];
3574         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3575                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3576         fd = intr_handle->efds[efd_idx];
3577
3578         return fd;
3579 }
3580
3581 const struct rte_memzone *
3582 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3583                          uint16_t queue_id, size_t size, unsigned align,
3584                          int socket_id)
3585 {
3586         char z_name[RTE_MEMZONE_NAMESIZE];
3587         const struct rte_memzone *mz;
3588
3589         snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3590                  dev->data->port_id, queue_id, ring_name);
3591
3592         mz = rte_memzone_lookup(z_name);
3593         if (mz)
3594                 return mz;
3595
3596         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3597                         RTE_MEMZONE_IOVA_CONTIG, align);
3598 }
3599
3600 int __rte_experimental
3601 rte_eth_dev_create(struct rte_device *device, const char *name,
3602         size_t priv_data_size,
3603         ethdev_bus_specific_init ethdev_bus_specific_init,
3604         void *bus_init_params,
3605         ethdev_init_t ethdev_init, void *init_params)
3606 {
3607         struct rte_eth_dev *ethdev;
3608         int retval;
3609
3610         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3611
3612         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3613                 ethdev = rte_eth_dev_allocate(name);
3614                 if (!ethdev)
3615                         return -ENODEV;
3616
3617                 if (priv_data_size) {
3618                         ethdev->data->dev_private = rte_zmalloc_socket(
3619                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3620                                 device->numa_node);
3621
3622                         if (!ethdev->data->dev_private) {
3623                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3624                                 retval = -ENOMEM;
3625                                 goto probe_failed;
3626                         }
3627                 }
3628         } else {
3629                 ethdev = rte_eth_dev_attach_secondary(name);
3630                 if (!ethdev) {
3631                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3632                                 "ethdev doesn't exist");
3633                         return  -ENODEV;
3634                 }
3635         }
3636
3637         ethdev->device = device;
3638
3639         if (ethdev_bus_specific_init) {
3640                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3641                 if (retval) {
3642                         RTE_LOG(ERR, EAL,
3643                                 "ethdev bus specific initialisation failed");
3644                         goto probe_failed;
3645                 }
3646         }
3647
3648         retval = ethdev_init(ethdev, init_params);
3649         if (retval) {
3650                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3651                 goto probe_failed;
3652         }
3653
3654         rte_eth_dev_probing_finish(ethdev);
3655
3656         return retval;
3657
3658 probe_failed:
3659         rte_eth_dev_release_port(ethdev);
3660         return retval;
3661 }
3662
3663 int  __rte_experimental
3664 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3665         ethdev_uninit_t ethdev_uninit)
3666 {
3667         int ret;
3668
3669         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3670         if (!ethdev)
3671                 return -ENODEV;
3672
3673         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3674
3675         ret = ethdev_uninit(ethdev);
3676         if (ret)
3677                 return ret;
3678
3679         return rte_eth_dev_release_port(ethdev);
3680 }
3681
3682 int
3683 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3684                           int epfd, int op, void *data)
3685 {
3686         uint32_t vec;
3687         struct rte_eth_dev *dev;
3688         struct rte_intr_handle *intr_handle;
3689         int rc;
3690
3691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3692
3693         dev = &rte_eth_devices[port_id];
3694         if (queue_id >= dev->data->nb_rx_queues) {
3695                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3696                 return -EINVAL;
3697         }
3698
3699         if (!dev->intr_handle) {
3700                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3701                 return -ENOTSUP;
3702         }
3703
3704         intr_handle = dev->intr_handle;
3705         if (!intr_handle->intr_vec) {
3706                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3707                 return -EPERM;
3708         }
3709
3710         vec = intr_handle->intr_vec[queue_id];
3711         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3712         if (rc && rc != -EEXIST) {
3713                 RTE_ETHDEV_LOG(ERR,
3714                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3715                         port_id, queue_id, op, epfd, vec);
3716                 return rc;
3717         }
3718
3719         return 0;
3720 }
3721
3722 int
3723 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3724                            uint16_t queue_id)
3725 {
3726         struct rte_eth_dev *dev;
3727
3728         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3729
3730         dev = &rte_eth_devices[port_id];
3731
3732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3733         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3734                                                                 queue_id));
3735 }
3736
3737 int
3738 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3739                             uint16_t queue_id)
3740 {
3741         struct rte_eth_dev *dev;
3742
3743         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3744
3745         dev = &rte_eth_devices[port_id];
3746
3747         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3748         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3749                                                                 queue_id));
3750 }
3751
3752
3753 int
3754 rte_eth_dev_filter_supported(uint16_t port_id,
3755                              enum rte_filter_type filter_type)
3756 {
3757         struct rte_eth_dev *dev;
3758
3759         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3760
3761         dev = &rte_eth_devices[port_id];
3762         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3763         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3764                                 RTE_ETH_FILTER_NOP, NULL);
3765 }
3766
3767 int
3768 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3769                         enum rte_filter_op filter_op, void *arg)
3770 {
3771         struct rte_eth_dev *dev;
3772
3773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3774
3775         dev = &rte_eth_devices[port_id];
3776         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3777         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3778                                                              filter_op, arg));
3779 }
3780
3781 const struct rte_eth_rxtx_callback *
3782 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3783                 rte_rx_callback_fn fn, void *user_param)
3784 {
3785 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3786         rte_errno = ENOTSUP;
3787         return NULL;
3788 #endif
3789         /* check input parameters */
3790         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3791                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3792                 rte_errno = EINVAL;
3793                 return NULL;
3794         }
3795         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3796
3797         if (cb == NULL) {
3798                 rte_errno = ENOMEM;
3799                 return NULL;
3800         }
3801
3802         cb->fn.rx = fn;
3803         cb->param = user_param;
3804
3805         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3806         /* Add the callbacks in fifo order. */
3807         struct rte_eth_rxtx_callback *tail =
3808                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3809
3810         if (!tail) {
3811                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3812
3813         } else {
3814                 while (tail->next)
3815                         tail = tail->next;
3816                 tail->next = cb;
3817         }
3818         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3819
3820         return cb;
3821 }
3822
3823 const struct rte_eth_rxtx_callback *
3824 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3825                 rte_rx_callback_fn fn, void *user_param)
3826 {
3827 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3828         rte_errno = ENOTSUP;
3829         return NULL;
3830 #endif
3831         /* check input parameters */
3832         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3833                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3834                 rte_errno = EINVAL;
3835                 return NULL;
3836         }
3837
3838         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3839
3840         if (cb == NULL) {
3841                 rte_errno = ENOMEM;
3842                 return NULL;
3843         }
3844
3845         cb->fn.rx = fn;
3846         cb->param = user_param;
3847
3848         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3849         /* Add the callbacks at fisrt position*/
3850         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3851         rte_smp_wmb();
3852         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3853         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3854
3855         return cb;
3856 }
3857
3858 const struct rte_eth_rxtx_callback *
3859 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3860                 rte_tx_callback_fn fn, void *user_param)
3861 {
3862 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3863         rte_errno = ENOTSUP;
3864         return NULL;
3865 #endif
3866         /* check input parameters */
3867         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3868                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3869                 rte_errno = EINVAL;
3870                 return NULL;
3871         }
3872
3873         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3874
3875         if (cb == NULL) {
3876                 rte_errno = ENOMEM;
3877                 return NULL;
3878         }
3879
3880         cb->fn.tx = fn;
3881         cb->param = user_param;
3882
3883         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3884         /* Add the callbacks in fifo order. */
3885         struct rte_eth_rxtx_callback *tail =
3886                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3887
3888         if (!tail) {
3889                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3890
3891         } else {
3892                 while (tail->next)
3893                         tail = tail->next;
3894                 tail->next = cb;
3895         }
3896         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3897
3898         return cb;
3899 }
3900
3901 int
3902 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3903                 const struct rte_eth_rxtx_callback *user_cb)
3904 {
3905 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3906         return -ENOTSUP;
3907 #endif
3908         /* Check input parameters. */
3909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3910         if (user_cb == NULL ||
3911                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3912                 return -EINVAL;
3913
3914         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3915         struct rte_eth_rxtx_callback *cb;
3916         struct rte_eth_rxtx_callback **prev_cb;
3917         int ret = -EINVAL;
3918
3919         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3920         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3921         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3922                 cb = *prev_cb;
3923                 if (cb == user_cb) {
3924                         /* Remove the user cb from the callback list. */
3925                         *prev_cb = cb->next;
3926                         ret = 0;
3927                         break;
3928                 }
3929         }
3930         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3931
3932         return ret;
3933 }
3934
3935 int
3936 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3937                 const struct rte_eth_rxtx_callback *user_cb)
3938 {
3939 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3940         return -ENOTSUP;
3941 #endif
3942         /* Check input parameters. */
3943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3944         if (user_cb == NULL ||
3945                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3946                 return -EINVAL;
3947
3948         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3949         int ret = -EINVAL;
3950         struct rte_eth_rxtx_callback *cb;
3951         struct rte_eth_rxtx_callback **prev_cb;
3952
3953         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3954         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3955         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3956                 cb = *prev_cb;
3957                 if (cb == user_cb) {
3958                         /* Remove the user cb from the callback list. */
3959                         *prev_cb = cb->next;
3960                         ret = 0;
3961                         break;
3962                 }
3963         }
3964         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3965
3966         return ret;
3967 }
3968
3969 int
3970 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3971         struct rte_eth_rxq_info *qinfo)
3972 {
3973         struct rte_eth_dev *dev;
3974
3975         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3976
3977         if (qinfo == NULL)
3978                 return -EINVAL;
3979
3980         dev = &rte_eth_devices[port_id];
3981         if (queue_id >= dev->data->nb_rx_queues) {
3982                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3983                 return -EINVAL;
3984         }
3985
3986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3987
3988         memset(qinfo, 0, sizeof(*qinfo));
3989         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3990         return 0;
3991 }
3992
3993 int
3994 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3995         struct rte_eth_txq_info *qinfo)
3996 {
3997         struct rte_eth_dev *dev;
3998
3999         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4000
4001         if (qinfo == NULL)
4002                 return -EINVAL;
4003
4004         dev = &rte_eth_devices[port_id];
4005         if (queue_id >= dev->data->nb_tx_queues) {
4006                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4007                 return -EINVAL;
4008         }
4009
4010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4011
4012         memset(qinfo, 0, sizeof(*qinfo));
4013         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4014
4015         return 0;
4016 }
4017
4018 int
4019 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4020                              struct ether_addr *mc_addr_set,
4021                              uint32_t nb_mc_addr)
4022 {
4023         struct rte_eth_dev *dev;
4024
4025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4026
4027         dev = &rte_eth_devices[port_id];
4028         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4029         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4030                                                 mc_addr_set, nb_mc_addr));
4031 }
4032
4033 int
4034 rte_eth_timesync_enable(uint16_t port_id)
4035 {
4036         struct rte_eth_dev *dev;
4037
4038         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4039         dev = &rte_eth_devices[port_id];
4040
4041         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4042         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4043 }
4044
4045 int
4046 rte_eth_timesync_disable(uint16_t port_id)
4047 {
4048         struct rte_eth_dev *dev;
4049
4050         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4051         dev = &rte_eth_devices[port_id];
4052
4053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4054         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4055 }
4056
4057 int
4058 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4059                                    uint32_t flags)
4060 {
4061         struct rte_eth_dev *dev;
4062
4063         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4064         dev = &rte_eth_devices[port_id];
4065
4066         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4067         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4068                                 (dev, timestamp, flags));
4069 }
4070
4071 int
4072 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4073                                    struct timespec *timestamp)
4074 {
4075         struct rte_eth_dev *dev;
4076
4077         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4078         dev = &rte_eth_devices[port_id];
4079
4080         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4081         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4082                                 (dev, timestamp));
4083 }
4084
4085 int
4086 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4087 {
4088         struct rte_eth_dev *dev;
4089
4090         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4091         dev = &rte_eth_devices[port_id];
4092
4093         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4094         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4095                                                                       delta));
4096 }
4097
4098 int
4099 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4100 {
4101         struct rte_eth_dev *dev;
4102
4103         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4104         dev = &rte_eth_devices[port_id];
4105
4106         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4107         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4108                                                                 timestamp));
4109 }
4110
4111 int
4112 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4113 {
4114         struct rte_eth_dev *dev;
4115
4116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4117         dev = &rte_eth_devices[port_id];
4118
4119         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4120         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4121                                                                 timestamp));
4122 }
4123
4124 int
4125 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4126 {
4127         struct rte_eth_dev *dev;
4128
4129         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4130
4131         dev = &rte_eth_devices[port_id];
4132         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4133         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4134 }
4135
4136 int
4137 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4138 {
4139         struct rte_eth_dev *dev;
4140
4141         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4142
4143         dev = &rte_eth_devices[port_id];
4144         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4145         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4146 }
4147
4148 int
4149 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4150 {
4151         struct rte_eth_dev *dev;
4152
4153         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4154
4155         dev = &rte_eth_devices[port_id];
4156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4157         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4158 }
4159
4160 int
4161 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4162 {
4163         struct rte_eth_dev *dev;
4164
4165         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4166
4167         dev = &rte_eth_devices[port_id];
4168         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4169         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4170 }
4171
4172 int __rte_experimental
4173 rte_eth_dev_get_module_info(uint16_t port_id,
4174                             struct rte_eth_dev_module_info *modinfo)
4175 {
4176         struct rte_eth_dev *dev;
4177
4178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4179
4180         dev = &rte_eth_devices[port_id];
4181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4182         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4183 }
4184
4185 int __rte_experimental
4186 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4187                               struct rte_dev_eeprom_info *info)
4188 {
4189         struct rte_eth_dev *dev;
4190
4191         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4192
4193         dev = &rte_eth_devices[port_id];
4194         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4195         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4196 }
4197
4198 int
4199 rte_eth_dev_get_dcb_info(uint16_t port_id,
4200                              struct rte_eth_dcb_info *dcb_info)
4201 {
4202         struct rte_eth_dev *dev;
4203
4204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4205
4206         dev = &rte_eth_devices[port_id];
4207         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4208
4209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4210         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4211 }
4212
4213 int
4214 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4215                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4216 {
4217         struct rte_eth_dev *dev;
4218
4219         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4220         if (l2_tunnel == NULL) {
4221                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4222                 return -EINVAL;
4223         }
4224
4225         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4226                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4227                 return -EINVAL;
4228         }
4229
4230         dev = &rte_eth_devices[port_id];
4231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4232                                 -ENOTSUP);
4233         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4234                                                                 l2_tunnel));
4235 }
4236
4237 int
4238 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4239                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4240                                   uint32_t mask,
4241                                   uint8_t en)
4242 {
4243         struct rte_eth_dev *dev;
4244
4245         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4246
4247         if (l2_tunnel == NULL) {
4248                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4249                 return -EINVAL;
4250         }
4251
4252         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4253                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4254                 return -EINVAL;
4255         }
4256
4257         if (mask == 0) {
4258                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4259                 return -EINVAL;
4260         }
4261
4262         dev = &rte_eth_devices[port_id];
4263         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4264                                 -ENOTSUP);
4265         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4266                                                         l2_tunnel, mask, en));
4267 }
4268
4269 static void
4270 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4271                            const struct rte_eth_desc_lim *desc_lim)
4272 {
4273         if (desc_lim->nb_align != 0)
4274                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4275
4276         if (desc_lim->nb_max != 0)
4277                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4278
4279         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4280 }
4281
4282 int
4283 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4284                                  uint16_t *nb_rx_desc,
4285                                  uint16_t *nb_tx_desc)
4286 {
4287         struct rte_eth_dev *dev;
4288         struct rte_eth_dev_info dev_info;
4289
4290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4291
4292         dev = &rte_eth_devices[port_id];
4293         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4294
4295         rte_eth_dev_info_get(port_id, &dev_info);
4296
4297         if (nb_rx_desc != NULL)
4298                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4299
4300         if (nb_tx_desc != NULL)
4301                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4302
4303         return 0;
4304 }
4305
4306 int
4307 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4308 {
4309         struct rte_eth_dev *dev;
4310
4311         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4312
4313         if (pool == NULL)
4314                 return -EINVAL;
4315
4316         dev = &rte_eth_devices[port_id];
4317
4318         if (*dev->dev_ops->pool_ops_supported == NULL)
4319                 return 1; /* all pools are supported */
4320
4321         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4322 }
4323
4324 /**
4325  * A set of values to describe the possible states of a switch domain.
4326  */
4327 enum rte_eth_switch_domain_state {
4328         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4329         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4330 };
4331
4332 /**
4333  * Array of switch domains available for allocation. Array is sized to
4334  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4335  * ethdev ports in a single process.
4336  */
4337 static struct rte_eth_dev_switch {
4338         enum rte_eth_switch_domain_state state;
4339 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4340
4341 int __rte_experimental
4342 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4343 {
4344         unsigned int i;
4345
4346         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4347
4348         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4349                 i < RTE_MAX_ETHPORTS; i++) {
4350                 if (rte_eth_switch_domains[i].state ==
4351                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4352                         rte_eth_switch_domains[i].state =
4353                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4354                         *domain_id = i;
4355                         return 0;
4356                 }
4357         }
4358
4359         return -ENOSPC;
4360 }
4361
4362 int __rte_experimental
4363 rte_eth_switch_domain_free(uint16_t domain_id)
4364 {
4365         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4366                 domain_id >= RTE_MAX_ETHPORTS)
4367                 return -EINVAL;
4368
4369         if (rte_eth_switch_domains[domain_id].state !=
4370                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4371                 return -EINVAL;
4372
4373         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4374
4375         return 0;
4376 }
4377
4378 static int
4379 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4380 {
4381         int state;
4382         struct rte_kvargs_pair *pair;
4383         char *letter;
4384
4385         arglist->str = strdup(str_in);
4386         if (arglist->str == NULL)
4387                 return -ENOMEM;
4388
4389         letter = arglist->str;
4390         state = 0;
4391         arglist->count = 0;
4392         pair = &arglist->pairs[0];
4393         while (1) {
4394                 switch (state) {
4395                 case 0: /* Initial */
4396                         if (*letter == '=')
4397                                 return -EINVAL;
4398                         else if (*letter == '\0')
4399                                 return 0;
4400
4401                         state = 1;
4402                         pair->key = letter;
4403                         /* fall-thru */
4404
4405                 case 1: /* Parsing key */
4406                         if (*letter == '=') {
4407                                 *letter = '\0';
4408                                 pair->value = letter + 1;
4409                                 state = 2;
4410                         } else if (*letter == ',' || *letter == '\0')
4411                                 return -EINVAL;
4412                         break;
4413
4414
4415                 case 2: /* Parsing value */
4416                         if (*letter == '[')
4417                                 state = 3;
4418                         else if (*letter == ',') {
4419                                 *letter = '\0';
4420                                 arglist->count++;
4421                                 pair = &arglist->pairs[arglist->count];
4422                                 state = 0;
4423                         } else if (*letter == '\0') {
4424                                 letter--;
4425                                 arglist->count++;
4426                                 pair = &arglist->pairs[arglist->count];
4427                                 state = 0;
4428                         }
4429                         break;
4430
4431                 case 3: /* Parsing list */
4432                         if (*letter == ']')
4433                                 state = 2;
4434                         else if (*letter == '\0')
4435                                 return -EINVAL;
4436                         break;
4437                 }
4438                 letter++;
4439         }
4440 }
4441
4442 int __rte_experimental
4443 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4444 {
4445         struct rte_kvargs args;
4446         struct rte_kvargs_pair *pair;
4447         unsigned int i;
4448         int result = 0;
4449
4450         memset(eth_da, 0, sizeof(*eth_da));
4451
4452         result = rte_eth_devargs_tokenise(&args, dargs);
4453         if (result < 0)
4454                 goto parse_cleanup;
4455
4456         for (i = 0; i < args.count; i++) {
4457                 pair = &args.pairs[i];
4458                 if (strcmp("representor", pair->key) == 0) {
4459                         result = rte_eth_devargs_parse_list(pair->value,
4460                                 rte_eth_devargs_parse_representor_ports,
4461                                 eth_da);
4462                         if (result < 0)
4463                                 goto parse_cleanup;
4464                 }
4465         }
4466
4467 parse_cleanup:
4468         if (args.str)
4469                 free(args.str);
4470
4471         return result;
4472 }
4473
4474 RTE_INIT(ethdev_init_log)
4475 {
4476         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4477         if (rte_eth_dev_logtype >= 0)
4478                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4479 }