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 static uint16_t eth_dev_last_created_port;
  52
  53 /* spinlock for eth device callbacks */
  54 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  55
  56 /* spinlock for add/remove rx callbacks */
  57 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /* spinlock for add/remove tx callbacks */
  60 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62 /* spinlock for shared data allocation */
  63 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  64
  65 /* store statistics names and its offset in stats structure  */
  66 struct rte_eth_xstats_name_off {
  67         char name[RTE_ETH_XSTATS_NAME_SIZE];
  68         unsigned offset;
  69 };
  70
  71 /* Shared memory between primary and secondary processes. */
  72 static struct {
  73         uint64_t next_owner_id;
  74         rte_spinlock_t ownership_lock;
  75         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  76 } *rte_eth_dev_shared_data;
  77
  78 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  79         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  80         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  81         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  82         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  83         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  84         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  85         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  86         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  87                 rx_nombuf)},
  88 };
  89
  90 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  91
  92 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  93         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  94         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  95         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  96 };
  97
  98 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  99                 sizeof(rte_rxq_stats_strings[0]))
 100
 101 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 102         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 103         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 104 };
 105 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 106                 sizeof(rte_txq_stats_strings[0]))
 107
 108 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 109         { DEV_RX_OFFLOAD_##_name, #_name }
 110
 111 static const struct {
 112         uint64_t offload;
 113         const char *name;
 114 } rte_rx_offload_names[] = {
 115         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 116         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 120         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 122         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 123         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 126         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 127         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 128         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 129         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 130         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 131         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 132         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 133 };
 134
 135 #undef RTE_RX_OFFLOAD_BIT2STR
 136
 137 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 138         { DEV_TX_OFFLOAD_##_name, #_name }
 139
 140 static const struct {
 141         uint64_t offload;
 142         const char *name;
 143 } rte_tx_offload_names[] = {
 144         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 145         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 152         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 153         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 158         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 159         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 160         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 161         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 162         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 164         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 165         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 166 };
 167
 168 #undef RTE_TX_OFFLOAD_BIT2STR
 169
 170 /**
 171  * The user application callback description.
 172  *
 173  * It contains callback address to be registered by user application,
 174  * the pointer to the parameters for callback, and the event type.
 175  */
 176 struct rte_eth_dev_callback {
 177         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 178         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 179         void *cb_arg;                           /**< Parameter for callback */
 180         void *ret_param;                        /**< Return parameter */
 181         enum rte_eth_event_type event;          /**< Interrupt event type */
 182         uint32_t active;                        /**< Callback is executing */
 183 };
 184
 185 enum {
 186         STAT_QMAP_TX = 0,
 187         STAT_QMAP_RX
 188 };
 189
 190 int
 191 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 192 {
 193         int ret;
 194         struct rte_devargs devargs = {.args = NULL};
 195         const char *bus_param_key;
 196         char *bus_str = NULL;
 197         char *cls_str = NULL;
 198         int str_size;
 199
 200         memset(iter, 0, sizeof(*iter));
 201
 202         /*
 203          * The devargs string may use various syntaxes:
 204          *   - 0000:08:00.0,representor=[1-3]
 205          *   - pci:0000:06:00.0,representor=[0,5]
 206          *   - class=eth,mac=00:11:22:33:44:55
 207          * A new syntax is in development (not yet supported):
 208          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 209          */
 210
 211         /*
 212          * Handle pure class filter (i.e. without any bus-level argument),
 213          * from future new syntax.
 214          * rte_devargs_parse() is not yet supporting the new syntax,
 215          * that's why this simple case is temporarily parsed here.
 216          */
 217 #define iter_anybus_str "class=eth,"
 218         if (strncmp(devargs_str, iter_anybus_str,
 219                         strlen(iter_anybus_str)) == 0) {
 220                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 221                 goto end;
 222         }
 223
 224         /* Split bus, device and parameters. */
 225         ret = rte_devargs_parse(&devargs, devargs_str);
 226         if (ret != 0)
 227                 goto error;
 228
 229         /*
 230          * Assume parameters of old syntax can match only at ethdev level.
 231          * Extra parameters will be ignored, thanks to "+" prefix.
 232          */
 233         str_size = strlen(devargs.args) + 2;
 234         cls_str = malloc(str_size);
 235         if (cls_str == NULL) {
 236                 ret = -ENOMEM;
 237                 goto error;
 238         }
 239         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 240         if (ret != str_size - 1) {
 241                 ret = -EINVAL;
 242                 goto error;
 243         }
 244         iter->cls_str = cls_str;
 245         free(devargs.args); /* allocated by rte_devargs_parse() */
 246         devargs.args = NULL;
 247
 248         iter->bus = devargs.bus;
 249         if (iter->bus->dev_iterate == NULL) {
 250                 ret = -ENOTSUP;
 251                 goto error;
 252         }
 253
 254         /* Convert bus args to new syntax for use with new API dev_iterate. */
 255         if (strcmp(iter->bus->name, "vdev") == 0) {
 256                 bus_param_key = "name";
 257         } else if (strcmp(iter->bus->name, "pci") == 0) {
 258                 bus_param_key = "addr";
 259         } else {
 260                 ret = -ENOTSUP;
 261                 goto error;
 262         }
 263         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 264         bus_str = malloc(str_size);
 265         if (bus_str == NULL) {
 266                 ret = -ENOMEM;
 267                 goto error;
 268         }
 269         ret = snprintf(bus_str, str_size, "%s=%s",
 270                         bus_param_key, devargs.name);
 271         if (ret != str_size - 1) {
 272                 ret = -EINVAL;
 273                 goto error;
 274         }
 275         iter->bus_str = bus_str;
 276
 277 end:
 278         iter->cls = rte_class_find_by_name("eth");
 279         return 0;
 280
 281 error:
 282         if (ret == -ENOTSUP)
 283                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 284                                 iter->bus->name);
 285         free(devargs.args);
 286         free(bus_str);
 287         free(cls_str);
 288         return ret;
 289 }
 290
 291 uint16_t
 292 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 293 {
 294         if (iter->cls == NULL) /* invalid ethdev iterator */
 295                 return RTE_MAX_ETHPORTS;
 296
 297         do { /* loop to try all matching rte_device */
 298                 /* If not pure ethdev filter and */
 299                 if (iter->bus != NULL &&
 300                                 /* not in middle of rte_eth_dev iteration, */
 301                                 iter->class_device == NULL) {
 302                         /* get next rte_device to try. */
 303                         iter->device = iter->bus->dev_iterate(
 304                                         iter->device, iter->bus_str, iter);
 305                         if (iter->device == NULL)
 306                                 break; /* no more rte_device candidate */
 307                 }
 308                 /* A device is matching bus part, need to check ethdev part. */
 309                 iter->class_device = iter->cls->dev_iterate(
 310                                 iter->class_device, iter->cls_str, iter);
 311                 if (iter->class_device != NULL)
 312                         return eth_dev_to_id(iter->class_device); /* match */
 313         } while (iter->bus != NULL); /* need to try next rte_device */
 314
 315         /* No more ethdev port to iterate. */
 316         rte_eth_iterator_cleanup(iter);
 317         return RTE_MAX_ETHPORTS;
 318 }
 319
 320 void
 321 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 322 {
 323         if (iter->bus_str == NULL)
 324                 return; /* nothing to free in pure class filter */
 325         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 326         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 327         memset(iter, 0, sizeof(*iter));
 328 }
 329
 330 uint16_t
 331 rte_eth_find_next(uint16_t port_id)
 332 {
 333         while (port_id < RTE_MAX_ETHPORTS &&
 334                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 335                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 336                 port_id++;
 337
 338         if (port_id >= RTE_MAX_ETHPORTS)
 339                 return RTE_MAX_ETHPORTS;
 340
 341         return port_id;
 342 }
 343
 344 static void
 345 rte_eth_dev_shared_data_prepare(void)
 346 {
 347         const unsigned flags = 0;
 348         const struct rte_memzone *mz;
 349
 350         rte_spinlock_lock(&rte_eth_shared_data_lock);
 351
 352         if (rte_eth_dev_shared_data == NULL) {
 353                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 354                         /* Allocate port data and ownership shared memory. */
 355                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 356                                         sizeof(*rte_eth_dev_shared_data),
 357                                         rte_socket_id(), flags);
 358                 } else
 359                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 360                 if (mz == NULL)
 361                         rte_panic("Cannot allocate ethdev shared data\n");
 362
 363                 rte_eth_dev_shared_data = mz->addr;
 364                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 365                         rte_eth_dev_shared_data->next_owner_id =
 366                                         RTE_ETH_DEV_NO_OWNER + 1;
 367                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 368                         memset(rte_eth_dev_shared_data->data, 0,
 369                                sizeof(rte_eth_dev_shared_data->data));
 370                 }
 371         }
 372
 373         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 374 }
 375
 376 static bool
 377 is_allocated(const struct rte_eth_dev *ethdev)
 378 {
 379         return ethdev->data->name[0] != '\0';
 380 }
 381
 382 static struct rte_eth_dev *
 383 _rte_eth_dev_allocated(const char *name)
 384 {
 385         unsigned i;
 386
 387         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 388                 if (rte_eth_devices[i].data != NULL &&
 389                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 390                         return &rte_eth_devices[i];
 391         }
 392         return NULL;
 393 }
 394
 395 struct rte_eth_dev *
 396 rte_eth_dev_allocated(const char *name)
 397 {
 398         struct rte_eth_dev *ethdev;
 399
 400         rte_eth_dev_shared_data_prepare();
 401
 402         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 403
 404         ethdev = _rte_eth_dev_allocated(name);
 405
 406         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 407
 408         return ethdev;
 409 }
 410
 411 static uint16_t
 412 rte_eth_dev_find_free_port(void)
 413 {
 414         unsigned i;
 415
 416         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 417                 /* Using shared name field to find a free port. */
 418                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 419                         RTE_ASSERT(rte_eth_devices[i].state ==
 420                                    RTE_ETH_DEV_UNUSED);
 421                         return i;
 422                 }
 423         }
 424         return RTE_MAX_ETHPORTS;
 425 }
 426
 427 static struct rte_eth_dev *
 428 eth_dev_get(uint16_t port_id)
 429 {
 430         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 431
 432         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 433
 434         eth_dev_last_created_port = port_id;
 435
 436         return eth_dev;
 437 }
 438
 439 struct rte_eth_dev *
 440 rte_eth_dev_allocate(const char *name)
 441 {
 442         uint16_t port_id;
 443         struct rte_eth_dev *eth_dev = NULL;
 444
 445         rte_eth_dev_shared_data_prepare();
 446
 447         /* Synchronize port creation between primary and secondary threads. */
 448         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 449
 450         if (_rte_eth_dev_allocated(name) != NULL) {
 451                 RTE_ETHDEV_LOG(ERR,
 452                         "Ethernet device with name %s already allocated\n",
 453                         name);
 454                 goto unlock;
 455         }
 456
 457         port_id = rte_eth_dev_find_free_port();
 458         if (port_id == RTE_MAX_ETHPORTS) {
 459                 RTE_ETHDEV_LOG(ERR,
 460                         "Reached maximum number of Ethernet ports\n");
 461                 goto unlock;
 462         }
 463
 464         eth_dev = eth_dev_get(port_id);
 465         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 466         eth_dev->data->port_id = port_id;
 467         eth_dev->data->mtu = ETHER_MTU;
 468
 469 unlock:
 470         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 471
 472         return eth_dev;
 473 }
 474
 475 /*
 476  * Attach to a port already registered by the primary process, which
 477  * makes sure that the same device would have the same port id both
 478  * in the primary and secondary process.
 479  */
 480 struct rte_eth_dev *
 481 rte_eth_dev_attach_secondary(const char *name)
 482 {
 483         uint16_t i;
 484         struct rte_eth_dev *eth_dev = NULL;
 485
 486         rte_eth_dev_shared_data_prepare();
 487
 488         /* Synchronize port attachment to primary port creation and release. */
 489         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 490
 491         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 492                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 493                         break;
 494         }
 495         if (i == RTE_MAX_ETHPORTS) {
 496                 RTE_ETHDEV_LOG(ERR,
 497                         "Device %s is not driven by the primary process\n",
 498                         name);
 499         } else {
 500                 eth_dev = eth_dev_get(i);
 501                 RTE_ASSERT(eth_dev->data->port_id == i);
 502         }
 503
 504         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 505         return eth_dev;
 506 }
 507
 508 int
 509 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 510 {
 511         if (eth_dev == NULL)
 512                 return -EINVAL;
 513
 514         rte_eth_dev_shared_data_prepare();
 515
 516         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 517                 _rte_eth_dev_callback_process(eth_dev,
 518                                 RTE_ETH_EVENT_DESTROY, NULL);
 519
 520         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 521
 522         eth_dev->state = RTE_ETH_DEV_UNUSED;
 523
 524         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 525                 rte_free(eth_dev->data->rx_queues);
 526                 rte_free(eth_dev->data->tx_queues);
 527                 rte_free(eth_dev->data->mac_addrs);
 528                 rte_free(eth_dev->data->hash_mac_addrs);
 529                 rte_free(eth_dev->data->dev_private);
 530                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 531         }
 532
 533         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 534
 535         return 0;
 536 }
 537
 538 int
 539 rte_eth_dev_is_valid_port(uint16_t port_id)
 540 {
 541         if (port_id >= RTE_MAX_ETHPORTS ||
 542             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 543                 return 0;
 544         else
 545                 return 1;
 546 }
 547
 548 static int
 549 rte_eth_is_valid_owner_id(uint64_t owner_id)
 550 {
 551         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 552             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 553                 return 0;
 554         return 1;
 555 }
 556
 557 uint64_t
 558 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 559 {
 560         while (port_id < RTE_MAX_ETHPORTS &&
 561                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 562                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 563                rte_eth_devices[port_id].data->owner.id != owner_id))
 564                 port_id++;
 565
 566         if (port_id >= RTE_MAX_ETHPORTS)
 567                 return RTE_MAX_ETHPORTS;
 568
 569         return port_id;
 570 }
 571
 572 int __rte_experimental
 573 rte_eth_dev_owner_new(uint64_t *owner_id)
 574 {
 575         rte_eth_dev_shared_data_prepare();
 576
 577         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 578
 579         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 580
 581         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 582         return 0;
 583 }
 584
 585 static int
 586 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 587                        const struct rte_eth_dev_owner *new_owner)
 588 {
 589         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 590         struct rte_eth_dev_owner *port_owner;
 591         int sret;
 592
 593         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 594                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 595                         port_id);
 596                 return -ENODEV;
 597         }
 598
 599         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 600             !rte_eth_is_valid_owner_id(old_owner_id)) {
 601                 RTE_ETHDEV_LOG(ERR,
 602                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 603                        old_owner_id, new_owner->id);
 604                 return -EINVAL;
 605         }
 606
 607         port_owner = &rte_eth_devices[port_id].data->owner;
 608         if (port_owner->id != old_owner_id) {
 609                 RTE_ETHDEV_LOG(ERR,
 610                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 611                         port_id, port_owner->name, port_owner->id);
 612                 return -EPERM;
 613         }
 614
 615         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 616                         new_owner->name);
 617         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 618                 RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
 619                         port_id);
 620
 621         port_owner->id = new_owner->id;
 622
 623         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 624                 port_id, new_owner->name, new_owner->id);
 625
 626         return 0;
 627 }
 628
 629 int __rte_experimental
 630 rte_eth_dev_owner_set(const uint16_t port_id,
 631                       const struct rte_eth_dev_owner *owner)
 632 {
 633         int ret;
 634
 635         rte_eth_dev_shared_data_prepare();
 636
 637         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 638
 639         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 640
 641         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 642         return ret;
 643 }
 644
 645 int __rte_experimental
 646 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 647 {
 648         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 649                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 650         int ret;
 651
 652         rte_eth_dev_shared_data_prepare();
 653
 654         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 655
 656         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 657
 658         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 659         return ret;
 660 }
 661
 662 void __rte_experimental
 663 rte_eth_dev_owner_delete(const uint64_t owner_id)
 664 {
 665         uint16_t port_id;
 666
 667         rte_eth_dev_shared_data_prepare();
 668
 669         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 670
 671         if (rte_eth_is_valid_owner_id(owner_id)) {
 672                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 673                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 674                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 675                                        sizeof(struct rte_eth_dev_owner));
 676                 RTE_ETHDEV_LOG(NOTICE,
 677                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 678                         owner_id);
 679         } else {
 680                 RTE_ETHDEV_LOG(ERR,
 681                                "Invalid owner id=%016"PRIx64"\n",
 682                                owner_id);
 683         }
 684
 685         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 686 }
 687
 688 int __rte_experimental
 689 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 690 {
 691         int ret = 0;
 692         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 693
 694         rte_eth_dev_shared_data_prepare();
 695
 696         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 697
 698         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 699                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 700                         port_id);
 701                 ret = -ENODEV;
 702         } else {
 703                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 704         }
 705
 706         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 707         return ret;
 708 }
 709
 710 int
 711 rte_eth_dev_socket_id(uint16_t port_id)
 712 {
 713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 714         return rte_eth_devices[port_id].data->numa_node;
 715 }
 716
 717 void *
 718 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 719 {
 720         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 721         return rte_eth_devices[port_id].security_ctx;
 722 }
 723
 724 uint16_t
 725 rte_eth_dev_count(void)
 726 {
 727         return rte_eth_dev_count_avail();
 728 }
 729
 730 uint16_t
 731 rte_eth_dev_count_avail(void)
 732 {
 733         uint16_t p;
 734         uint16_t count;
 735
 736         count = 0;
 737
 738         RTE_ETH_FOREACH_DEV(p)
 739                 count++;
 740
 741         return count;
 742 }
 743
 744 uint16_t __rte_experimental
 745 rte_eth_dev_count_total(void)
 746 {
 747         uint16_t port, count = 0;
 748
 749         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 750                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 751                         count++;
 752
 753         return count;
 754 }
 755
 756 int
 757 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 758 {
 759         char *tmp;
 760
 761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 762
 763         if (name == NULL) {
 764                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 765                 return -EINVAL;
 766         }
 767
 768         /* shouldn't check 'rte_eth_devices[i].data',
 769          * because it might be overwritten by VDEV PMD */
 770         tmp = rte_eth_dev_shared_data->data[port_id].name;
 771         strcpy(name, tmp);
 772         return 0;
 773 }
 774
 775 int
 776 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 777 {
 778         uint32_t pid;
 779
 780         if (name == NULL) {
 781                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 782                 return -EINVAL;
 783         }
 784
 785         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 786                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 787                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 788                         *port_id = pid;
 789                         return 0;
 790                 }
 791         }
 792
 793         return -ENODEV;
 794 }
 795
 796 static int
 797 eth_err(uint16_t port_id, int ret)
 798 {
 799         if (ret == 0)
 800                 return 0;
 801         if (rte_eth_dev_is_removed(port_id))
 802                 return -EIO;
 803         return ret;
 804 }
 805
 806 static int
 807 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 808 {
 809         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 810         void **rxq;
 811         unsigned i;
 812
 813         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 814                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 815                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 816                                 RTE_CACHE_LINE_SIZE);
 817                 if (dev->data->rx_queues == NULL) {
 818                         dev->data->nb_rx_queues = 0;
 819                         return -(ENOMEM);
 820                 }
 821         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 822                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 823
 824                 rxq = dev->data->rx_queues;
 825
 826                 for (i = nb_queues; i < old_nb_queues; i++)
 827                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 828                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 829                                 RTE_CACHE_LINE_SIZE);
 830                 if (rxq == NULL)
 831                         return -(ENOMEM);
 832                 if (nb_queues > old_nb_queues) {
 833                         uint16_t new_qs = nb_queues - old_nb_queues;
 834
 835                         memset(rxq + old_nb_queues, 0,
 836                                 sizeof(rxq[0]) * new_qs);
 837                 }
 838
 839                 dev->data->rx_queues = rxq;
 840
 841         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 842                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 843
 844                 rxq = dev->data->rx_queues;
 845
 846                 for (i = nb_queues; i < old_nb_queues; i++)
 847                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 848
 849                 rte_free(dev->data->rx_queues);
 850                 dev->data->rx_queues = NULL;
 851         }
 852         dev->data->nb_rx_queues = nb_queues;
 853         return 0;
 854 }
 855
 856 int
 857 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 858 {
 859         struct rte_eth_dev *dev;
 860
 861         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 862
 863         dev = &rte_eth_devices[port_id];
 864         if (!dev->data->dev_started) {
 865                 RTE_ETHDEV_LOG(ERR,
 866                         "Port %u must be started before start any queue\n",
 867                         port_id);
 868                 return -EINVAL;
 869         }
 870
 871         if (rx_queue_id >= dev->data->nb_rx_queues) {
 872                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 873                 return -EINVAL;
 874         }
 875
 876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 877
 878         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 879                 RTE_ETHDEV_LOG(INFO,
 880                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 881                         rx_queue_id, port_id);
 882                 return 0;
 883         }
 884
 885         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 886                                                              rx_queue_id));
 887
 888 }
 889
 890 int
 891 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 892 {
 893         struct rte_eth_dev *dev;
 894
 895         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 896
 897         dev = &rte_eth_devices[port_id];
 898         if (rx_queue_id >= dev->data->nb_rx_queues) {
 899                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 900                 return -EINVAL;
 901         }
 902
 903         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 904
 905         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 906                 RTE_ETHDEV_LOG(INFO,
 907                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 908                         rx_queue_id, port_id);
 909                 return 0;
 910         }
 911
 912         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 913
 914 }
 915
 916 int
 917 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 918 {
 919         struct rte_eth_dev *dev;
 920
 921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 922
 923         dev = &rte_eth_devices[port_id];
 924         if (!dev->data->dev_started) {
 925                 RTE_ETHDEV_LOG(ERR,
 926                         "Port %u must be started before start any queue\n",
 927                         port_id);
 928                 return -EINVAL;
 929         }
 930
 931         if (tx_queue_id >= dev->data->nb_tx_queues) {
 932                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 933                 return -EINVAL;
 934         }
 935
 936         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 937
 938         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 939                 RTE_ETHDEV_LOG(INFO,
 940                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 941                         tx_queue_id, port_id);
 942                 return 0;
 943         }
 944
 945         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 946 }
 947
 948 int
 949 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 950 {
 951         struct rte_eth_dev *dev;
 952
 953         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 954
 955         dev = &rte_eth_devices[port_id];
 956         if (tx_queue_id >= dev->data->nb_tx_queues) {
 957                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 958                 return -EINVAL;
 959         }
 960
 961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 962
 963         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 964                 RTE_ETHDEV_LOG(INFO,
 965                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 966                         tx_queue_id, port_id);
 967                 return 0;
 968         }
 969
 970         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 971
 972 }
 973
 974 static int
 975 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 976 {
 977         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 978         void **txq;
 979         unsigned i;
 980
 981         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 982                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 983                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 984                                                    RTE_CACHE_LINE_SIZE);
 985                 if (dev->data->tx_queues == NULL) {
 986                         dev->data->nb_tx_queues = 0;
 987                         return -(ENOMEM);
 988                 }
 989         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 990                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 991
 992                 txq = dev->data->tx_queues;
 993
 994                 for (i = nb_queues; i < old_nb_queues; i++)
 995                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 996                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 997                                   RTE_CACHE_LINE_SIZE);
 998                 if (txq == NULL)
 999                         return -ENOMEM;
1000                 if (nb_queues > old_nb_queues) {
1001                         uint16_t new_qs = nb_queues - old_nb_queues;
1002
1003                         memset(txq + old_nb_queues, 0,
1004                                sizeof(txq[0]) * new_qs);
1005                 }
1006
1007                 dev->data->tx_queues = txq;
1008
1009         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1010                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1011
1012                 txq = dev->data->tx_queues;
1013
1014                 for (i = nb_queues; i < old_nb_queues; i++)
1015                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1016
1017                 rte_free(dev->data->tx_queues);
1018                 dev->data->tx_queues = NULL;
1019         }
1020         dev->data->nb_tx_queues = nb_queues;
1021         return 0;
1022 }
1023
1024 uint32_t
1025 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1026 {
1027         switch (speed) {
1028         case ETH_SPEED_NUM_10M:
1029                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1030         case ETH_SPEED_NUM_100M:
1031                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1032         case ETH_SPEED_NUM_1G:
1033                 return ETH_LINK_SPEED_1G;
1034         case ETH_SPEED_NUM_2_5G:
1035                 return ETH_LINK_SPEED_2_5G;
1036         case ETH_SPEED_NUM_5G:
1037                 return ETH_LINK_SPEED_5G;
1038         case ETH_SPEED_NUM_10G:
1039                 return ETH_LINK_SPEED_10G;
1040         case ETH_SPEED_NUM_20G:
1041                 return ETH_LINK_SPEED_20G;
1042         case ETH_SPEED_NUM_25G:
1043                 return ETH_LINK_SPEED_25G;
1044         case ETH_SPEED_NUM_40G:
1045                 return ETH_LINK_SPEED_40G;
1046         case ETH_SPEED_NUM_50G:
1047                 return ETH_LINK_SPEED_50G;
1048         case ETH_SPEED_NUM_56G:
1049                 return ETH_LINK_SPEED_56G;
1050         case ETH_SPEED_NUM_100G:
1051                 return ETH_LINK_SPEED_100G;
1052         default:
1053                 return 0;
1054         }
1055 }
1056
1057 const char *
1058 rte_eth_dev_rx_offload_name(uint64_t offload)
1059 {
1060         const char *name = "UNKNOWN";
1061         unsigned int i;
1062
1063         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1064                 if (offload == rte_rx_offload_names[i].offload) {
1065                         name = rte_rx_offload_names[i].name;
1066                         break;
1067                 }
1068         }
1069
1070         return name;
1071 }
1072
1073 const char *
1074 rte_eth_dev_tx_offload_name(uint64_t offload)
1075 {
1076         const char *name = "UNKNOWN";
1077         unsigned int i;
1078
1079         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1080                 if (offload == rte_tx_offload_names[i].offload) {
1081                         name = rte_tx_offload_names[i].name;
1082                         break;
1083                 }
1084         }
1085
1086         return name;
1087 }
1088
1089 int
1090 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1091                       const struct rte_eth_conf *dev_conf)
1092 {
1093         struct rte_eth_dev *dev;
1094         struct rte_eth_dev_info dev_info;
1095         struct rte_eth_conf orig_conf;
1096         struct rte_eth_conf local_conf = *dev_conf;
1097         int diag;
1098         int ret;
1099
1100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1101
1102         dev = &rte_eth_devices[port_id];
1103
1104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1105         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1106
1107         if (dev->data->dev_started) {
1108                 RTE_ETHDEV_LOG(ERR,
1109                         "Port %u must be stopped to allow configuration\n",
1110                         port_id);
1111                 return -EBUSY;
1112         }
1113
1114          /* Store original config, as rollback required on failure */
1115         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1116
1117         /*
1118          * Copy the dev_conf parameter into the dev structure.
1119          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1120          */
1121         memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data->dev_conf));
1122
1123         rte_eth_dev_info_get(port_id, &dev_info);
1124
1125         /* If number of queues specified by application for both Rx and Tx is
1126          * zero, use driver preferred values. This cannot be done individually
1127          * as it is valid for either Tx or Rx (but not both) to be zero.
1128          * If driver does not provide any preferred valued, fall back on
1129          * EAL defaults.
1130          */
1131         if (nb_rx_q == 0 && nb_tx_q == 0) {
1132                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1133                 if (nb_rx_q == 0)
1134                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1135                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1136                 if (nb_tx_q == 0)
1137                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1138         }
1139
1140         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1141                 RTE_ETHDEV_LOG(ERR,
1142                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1143                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1144                 ret = -EINVAL;
1145                 goto rollback;
1146         }
1147
1148         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1149                 RTE_ETHDEV_LOG(ERR,
1150                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1151                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1152                 ret = -EINVAL;
1153                 goto rollback;
1154         }
1155
1156         /*
1157          * Check that the numbers of RX and TX queues are not greater
1158          * than the maximum number of RX and TX queues supported by the
1159          * configured device.
1160          */
1161         if (nb_rx_q > dev_info.max_rx_queues) {
1162                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1163                         port_id, nb_rx_q, dev_info.max_rx_queues);
1164                 ret = -EINVAL;
1165                 goto rollback;
1166         }
1167
1168         if (nb_tx_q > dev_info.max_tx_queues) {
1169                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1170                         port_id, nb_tx_q, dev_info.max_tx_queues);
1171                 ret = -EINVAL;
1172                 goto rollback;
1173         }
1174
1175         /* Check that the device supports requested interrupts */
1176         if ((dev_conf->intr_conf.lsc == 1) &&
1177                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1178                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1179                         dev->device->driver->name);
1180                 ret = -EINVAL;
1181                 goto rollback;
1182         }
1183         if ((dev_conf->intr_conf.rmv == 1) &&
1184                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1185                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1186                         dev->device->driver->name);
1187                 ret = -EINVAL;
1188                 goto rollback;
1189         }
1190
1191         /*
1192          * If jumbo frames are enabled, check that the maximum RX packet
1193          * length is supported by the configured device.
1194          */
1195         if (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1196                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1197                         RTE_ETHDEV_LOG(ERR,
1198                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1199                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1200                                 dev_info.max_rx_pktlen);
1201                         ret = -EINVAL;
1202                         goto rollback;
1203                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1204                         RTE_ETHDEV_LOG(ERR,
1205                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1206                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1207                                 (unsigned)ETHER_MIN_LEN);
1208                         ret = -EINVAL;
1209                         goto rollback;
1210                 }
1211         } else {
1212                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1213                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1214                         /* Use default value */
1215                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1216                                                         ETHER_MAX_LEN;
1217         }
1218
1219         /* Any requested offloading must be within its device capabilities */
1220         if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1221              local_conf.rxmode.offloads) {
1222                 RTE_ETHDEV_LOG(ERR,
1223                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1224                         "capabilities 0x%"PRIx64" in %s()\n",
1225                         port_id, local_conf.rxmode.offloads,
1226                         dev_info.rx_offload_capa,
1227                         __func__);
1228                 ret = -EINVAL;
1229                 goto rollback;
1230         }
1231         if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1232              local_conf.txmode.offloads) {
1233                 RTE_ETHDEV_LOG(ERR,
1234                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1235                         "capabilities 0x%"PRIx64" in %s()\n",
1236                         port_id, local_conf.txmode.offloads,
1237                         dev_info.tx_offload_capa,
1238                         __func__);
1239                 ret = -EINVAL;
1240                 goto rollback;
1241         }
1242
1243         /* Check that device supports requested rss hash functions. */
1244         if ((dev_info.flow_type_rss_offloads |
1245              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1246             dev_info.flow_type_rss_offloads) {
1247                 RTE_ETHDEV_LOG(ERR,
1248                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1249                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1250                         dev_info.flow_type_rss_offloads);
1251                 ret = -EINVAL;
1252                 goto rollback;
1253         }
1254
1255         /*
1256          * Setup new number of RX/TX queues and reconfigure device.
1257          */
1258         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1259         if (diag != 0) {
1260                 RTE_ETHDEV_LOG(ERR,
1261                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1262                         port_id, diag);
1263                 ret = diag;
1264                 goto rollback;
1265         }
1266
1267         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1268         if (diag != 0) {
1269                 RTE_ETHDEV_LOG(ERR,
1270                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1271                         port_id, diag);
1272                 rte_eth_dev_rx_queue_config(dev, 0);
1273                 ret = diag;
1274                 goto rollback;
1275         }
1276
1277         diag = (*dev->dev_ops->dev_configure)(dev);
1278         if (diag != 0) {
1279                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1280                         port_id, diag);
1281                 rte_eth_dev_rx_queue_config(dev, 0);
1282                 rte_eth_dev_tx_queue_config(dev, 0);
1283                 ret = eth_err(port_id, diag);
1284                 goto rollback;
1285         }
1286
1287         /* Initialize Rx profiling if enabled at compilation time. */
1288         diag = __rte_eth_dev_profile_init(port_id, dev);
1289         if (diag != 0) {
1290                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1291                         port_id, diag);
1292                 rte_eth_dev_rx_queue_config(dev, 0);
1293                 rte_eth_dev_tx_queue_config(dev, 0);
1294                 ret = eth_err(port_id, diag);
1295                 goto rollback;
1296         }
1297
1298         return 0;
1299
1300 rollback:
1301         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1302
1303         return ret;
1304 }
1305
1306 void
1307 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1308 {
1309         if (dev->data->dev_started) {
1310                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1311                         dev->data->port_id);
1312                 return;
1313         }
1314
1315         rte_eth_dev_rx_queue_config(dev, 0);
1316         rte_eth_dev_tx_queue_config(dev, 0);
1317
1318         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1319 }
1320
1321 static void
1322 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1323                         struct rte_eth_dev_info *dev_info)
1324 {
1325         struct ether_addr *addr;
1326         uint16_t i;
1327         uint32_t pool = 0;
1328         uint64_t pool_mask;
1329
1330         /* replay MAC address configuration including default MAC */
1331         addr = &dev->data->mac_addrs[0];
1332         if (*dev->dev_ops->mac_addr_set != NULL)
1333                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1334         else if (*dev->dev_ops->mac_addr_add != NULL)
1335                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1336
1337         if (*dev->dev_ops->mac_addr_add != NULL) {
1338                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1339                         addr = &dev->data->mac_addrs[i];
1340
1341                         /* skip zero address */
1342                         if (is_zero_ether_addr(addr))
1343                                 continue;
1344
1345                         pool = 0;
1346                         pool_mask = dev->data->mac_pool_sel[i];
1347
1348                         do {
1349                                 if (pool_mask & 1ULL)
1350                                         (*dev->dev_ops->mac_addr_add)(dev,
1351                                                 addr, i, pool);
1352                                 pool_mask >>= 1;
1353                                 pool++;
1354                         } while (pool_mask);
1355                 }
1356         }
1357 }
1358
1359 static void
1360 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1361                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1362 {
1363         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1364                 rte_eth_dev_mac_restore(dev, dev_info);
1365
1366         /* replay promiscuous configuration */
1367         if (rte_eth_promiscuous_get(port_id) == 1)
1368                 rte_eth_promiscuous_enable(port_id);
1369         else if (rte_eth_promiscuous_get(port_id) == 0)
1370                 rte_eth_promiscuous_disable(port_id);
1371
1372         /* replay all multicast configuration */
1373         if (rte_eth_allmulticast_get(port_id) == 1)
1374                 rte_eth_allmulticast_enable(port_id);
1375         else if (rte_eth_allmulticast_get(port_id) == 0)
1376                 rte_eth_allmulticast_disable(port_id);
1377 }
1378
1379 int
1380 rte_eth_dev_start(uint16_t port_id)
1381 {
1382         struct rte_eth_dev *dev;
1383         struct rte_eth_dev_info dev_info;
1384         int diag;
1385
1386         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1387
1388         dev = &rte_eth_devices[port_id];
1389
1390         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1391
1392         if (dev->data->dev_started != 0) {
1393                 RTE_ETHDEV_LOG(INFO,
1394                         "Device with port_id=%"PRIu16" already started\n",
1395                         port_id);
1396                 return 0;
1397         }
1398
1399         rte_eth_dev_info_get(port_id, &dev_info);
1400
1401         /* Lets restore MAC now if device does not support live change */
1402         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1403                 rte_eth_dev_mac_restore(dev, &dev_info);
1404
1405         diag = (*dev->dev_ops->dev_start)(dev);
1406         if (diag == 0)
1407                 dev->data->dev_started = 1;
1408         else
1409                 return eth_err(port_id, diag);
1410
1411         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1412
1413         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1414                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1415                 (*dev->dev_ops->link_update)(dev, 0);
1416         }
1417         return 0;
1418 }
1419
1420 void
1421 rte_eth_dev_stop(uint16_t port_id)
1422 {
1423         struct rte_eth_dev *dev;
1424
1425         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1426         dev = &rte_eth_devices[port_id];
1427
1428         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1429
1430         if (dev->data->dev_started == 0) {
1431                 RTE_ETHDEV_LOG(INFO,
1432                         "Device with port_id=%"PRIu16" already stopped\n",
1433                         port_id);
1434                 return;
1435         }
1436
1437         dev->data->dev_started = 0;
1438         (*dev->dev_ops->dev_stop)(dev);
1439 }
1440
1441 int
1442 rte_eth_dev_set_link_up(uint16_t port_id)
1443 {
1444         struct rte_eth_dev *dev;
1445
1446         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1447
1448         dev = &rte_eth_devices[port_id];
1449
1450         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1451         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1452 }
1453
1454 int
1455 rte_eth_dev_set_link_down(uint16_t port_id)
1456 {
1457         struct rte_eth_dev *dev;
1458
1459         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1460
1461         dev = &rte_eth_devices[port_id];
1462
1463         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1464         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1465 }
1466
1467 void
1468 rte_eth_dev_close(uint16_t port_id)
1469 {
1470         struct rte_eth_dev *dev;
1471
1472         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1473         dev = &rte_eth_devices[port_id];
1474
1475         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1476         dev->data->dev_started = 0;
1477         (*dev->dev_ops->dev_close)(dev);
1478
1479         /* check behaviour flag - temporary for PMD migration */
1480         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1481                 /* new behaviour: send event + reset state + free all data */
1482                 rte_eth_dev_release_port(dev);
1483                 return;
1484         }
1485         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1486                         "The driver %s should migrate to the new behaviour.\n",
1487                         dev->device->driver->name);
1488         /* old behaviour: only free queue arrays */
1489         dev->data->nb_rx_queues = 0;
1490         rte_free(dev->data->rx_queues);
1491         dev->data->rx_queues = NULL;
1492         dev->data->nb_tx_queues = 0;
1493         rte_free(dev->data->tx_queues);
1494         dev->data->tx_queues = NULL;
1495 }
1496
1497 int
1498 rte_eth_dev_reset(uint16_t port_id)
1499 {
1500         struct rte_eth_dev *dev;
1501         int ret;
1502
1503         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1504         dev = &rte_eth_devices[port_id];
1505
1506         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1507
1508         rte_eth_dev_stop(port_id);
1509         ret = dev->dev_ops->dev_reset(dev);
1510
1511         return eth_err(port_id, ret);
1512 }
1513
1514 int __rte_experimental
1515 rte_eth_dev_is_removed(uint16_t port_id)
1516 {
1517         struct rte_eth_dev *dev;
1518         int ret;
1519
1520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1521
1522         dev = &rte_eth_devices[port_id];
1523
1524         if (dev->state == RTE_ETH_DEV_REMOVED)
1525                 return 1;
1526
1527         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1528
1529         ret = dev->dev_ops->is_removed(dev);
1530         if (ret != 0)
1531                 /* Device is physically removed. */
1532                 dev->state = RTE_ETH_DEV_REMOVED;
1533
1534         return ret;
1535 }
1536
1537 int
1538 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1539                        uint16_t nb_rx_desc, unsigned int socket_id,
1540                        const struct rte_eth_rxconf *rx_conf,
1541                        struct rte_mempool *mp)
1542 {
1543         int ret;
1544         uint32_t mbp_buf_size;
1545         struct rte_eth_dev *dev;
1546         struct rte_eth_dev_info dev_info;
1547         struct rte_eth_rxconf local_conf;
1548         void **rxq;
1549
1550         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1551
1552         dev = &rte_eth_devices[port_id];
1553         if (rx_queue_id >= dev->data->nb_rx_queues) {
1554                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1555                 return -EINVAL;
1556         }
1557
1558         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1559         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1560
1561         /*
1562          * Check the size of the mbuf data buffer.
1563          * This value must be provided in the private data of the memory pool.
1564          * First check that the memory pool has a valid private data.
1565          */
1566         rte_eth_dev_info_get(port_id, &dev_info);
1567         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1568                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1569                         mp->name, (int)mp->private_data_size,
1570                         (int)sizeof(struct rte_pktmbuf_pool_private));
1571                 return -ENOSPC;
1572         }
1573         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1574
1575         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1576                 RTE_ETHDEV_LOG(ERR,
1577                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1578                         mp->name, (int)mbp_buf_size,
1579                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1580                         (int)RTE_PKTMBUF_HEADROOM,
1581                         (int)dev_info.min_rx_bufsize);
1582                 return -EINVAL;
1583         }
1584
1585         /* Use default specified by driver, if nb_rx_desc is zero */
1586         if (nb_rx_desc == 0) {
1587                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1588                 /* If driver default is also zero, fall back on EAL default */
1589                 if (nb_rx_desc == 0)
1590                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1591         }
1592
1593         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1594                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1595                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1596
1597                 RTE_ETHDEV_LOG(ERR,
1598                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1599                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1600                         dev_info.rx_desc_lim.nb_min,
1601                         dev_info.rx_desc_lim.nb_align);
1602                 return -EINVAL;
1603         }
1604
1605         if (dev->data->dev_started &&
1606                 !(dev_info.dev_capa &
1607                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1608                 return -EBUSY;
1609
1610         if (dev->data->dev_started &&
1611                 (dev->data->rx_queue_state[rx_queue_id] !=
1612                         RTE_ETH_QUEUE_STATE_STOPPED))
1613                 return -EBUSY;
1614
1615         rxq = dev->data->rx_queues;
1616         if (rxq[rx_queue_id]) {
1617                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1618                                         -ENOTSUP);
1619                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1620                 rxq[rx_queue_id] = NULL;
1621         }
1622
1623         if (rx_conf == NULL)
1624                 rx_conf = &dev_info.default_rxconf;
1625
1626         local_conf = *rx_conf;
1627
1628         /*
1629          * If an offloading has already been enabled in
1630          * rte_eth_dev_configure(), it has been enabled on all queues,
1631          * so there is no need to enable it in this queue again.
1632          * The local_conf.offloads input to underlying PMD only carries
1633          * those offloadings which are only enabled on this queue and
1634          * not enabled on all queues.
1635          */
1636         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1637
1638         /*
1639          * New added offloadings for this queue are those not enabled in
1640          * rte_eth_dev_configure() and they must be per-queue type.
1641          * A pure per-port offloading can't be enabled on a queue while
1642          * disabled on another queue. A pure per-port offloading can't
1643          * be enabled for any queue as new added one if it hasn't been
1644          * enabled in rte_eth_dev_configure().
1645          */
1646         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1647              local_conf.offloads) {
1648                 RTE_ETHDEV_LOG(ERR,
1649                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1650                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1651                         port_id, rx_queue_id, local_conf.offloads,
1652                         dev_info.rx_queue_offload_capa,
1653                         __func__);
1654                 return -EINVAL;
1655         }
1656
1657         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1658                                               socket_id, &local_conf, mp);
1659         if (!ret) {
1660                 if (!dev->data->min_rx_buf_size ||
1661                     dev->data->min_rx_buf_size > mbp_buf_size)
1662                         dev->data->min_rx_buf_size = mbp_buf_size;
1663         }
1664
1665         return eth_err(port_id, ret);
1666 }
1667
1668 int
1669 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1670                        uint16_t nb_tx_desc, unsigned int socket_id,
1671                        const struct rte_eth_txconf *tx_conf)
1672 {
1673         struct rte_eth_dev *dev;
1674         struct rte_eth_dev_info dev_info;
1675         struct rte_eth_txconf local_conf;
1676         void **txq;
1677
1678         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1679
1680         dev = &rte_eth_devices[port_id];
1681         if (tx_queue_id >= dev->data->nb_tx_queues) {
1682                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1683                 return -EINVAL;
1684         }
1685
1686         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1688
1689         rte_eth_dev_info_get(port_id, &dev_info);
1690
1691         /* Use default specified by driver, if nb_tx_desc is zero */
1692         if (nb_tx_desc == 0) {
1693                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1694                 /* If driver default is zero, fall back on EAL default */
1695                 if (nb_tx_desc == 0)
1696                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1697         }
1698         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1699             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1700             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1701                 RTE_ETHDEV_LOG(ERR,
1702                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1703                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1704                         dev_info.tx_desc_lim.nb_min,
1705                         dev_info.tx_desc_lim.nb_align);
1706                 return -EINVAL;
1707         }
1708
1709         if (dev->data->dev_started &&
1710                 !(dev_info.dev_capa &
1711                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1712                 return -EBUSY;
1713
1714         if (dev->data->dev_started &&
1715                 (dev->data->tx_queue_state[tx_queue_id] !=
1716                         RTE_ETH_QUEUE_STATE_STOPPED))
1717                 return -EBUSY;
1718
1719         txq = dev->data->tx_queues;
1720         if (txq[tx_queue_id]) {
1721                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1722                                         -ENOTSUP);
1723                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1724                 txq[tx_queue_id] = NULL;
1725         }
1726
1727         if (tx_conf == NULL)
1728                 tx_conf = &dev_info.default_txconf;
1729
1730         local_conf = *tx_conf;
1731
1732         /*
1733          * If an offloading has already been enabled in
1734          * rte_eth_dev_configure(), it has been enabled on all queues,
1735          * so there is no need to enable it in this queue again.
1736          * The local_conf.offloads input to underlying PMD only carries
1737          * those offloadings which are only enabled on this queue and
1738          * not enabled on all queues.
1739          */
1740         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1741
1742         /*
1743          * New added offloadings for this queue are those not enabled in
1744          * rte_eth_dev_configure() and they must be per-queue type.
1745          * A pure per-port offloading can't be enabled on a queue while
1746          * disabled on another queue. A pure per-port offloading can't
1747          * be enabled for any queue as new added one if it hasn't been
1748          * enabled in rte_eth_dev_configure().
1749          */
1750         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1751              local_conf.offloads) {
1752                 RTE_ETHDEV_LOG(ERR,
1753                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1754                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1755                         port_id, tx_queue_id, local_conf.offloads,
1756                         dev_info.tx_queue_offload_capa,
1757                         __func__);
1758                 return -EINVAL;
1759         }
1760
1761         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1762                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1763 }
1764
1765 void
1766 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1767                 void *userdata __rte_unused)
1768 {
1769         unsigned i;
1770
1771         for (i = 0; i < unsent; i++)
1772                 rte_pktmbuf_free(pkts[i]);
1773 }
1774
1775 void
1776 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1777                 void *userdata)
1778 {
1779         uint64_t *count = userdata;
1780         unsigned i;
1781
1782         for (i = 0; i < unsent; i++)
1783                 rte_pktmbuf_free(pkts[i]);
1784
1785         *count += unsent;
1786 }
1787
1788 int
1789 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1790                 buffer_tx_error_fn cbfn, void *userdata)
1791 {
1792         buffer->error_callback = cbfn;
1793         buffer->error_userdata = userdata;
1794         return 0;
1795 }
1796
1797 int
1798 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1799 {
1800         int ret = 0;
1801
1802         if (buffer == NULL)
1803                 return -EINVAL;
1804
1805         buffer->size = size;
1806         if (buffer->error_callback == NULL) {
1807                 ret = rte_eth_tx_buffer_set_err_callback(
1808                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1809         }
1810
1811         return ret;
1812 }
1813
1814 int
1815 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1816 {
1817         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1818         int ret;
1819
1820         /* Validate Input Data. Bail if not valid or not supported. */
1821         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1822         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1823
1824         /* Call driver to free pending mbufs. */
1825         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1826                                                free_cnt);
1827         return eth_err(port_id, ret);
1828 }
1829
1830 void
1831 rte_eth_promiscuous_enable(uint16_t port_id)
1832 {
1833         struct rte_eth_dev *dev;
1834
1835         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1836         dev = &rte_eth_devices[port_id];
1837
1838         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1839         (*dev->dev_ops->promiscuous_enable)(dev);
1840         dev->data->promiscuous = 1;
1841 }
1842
1843 void
1844 rte_eth_promiscuous_disable(uint16_t port_id)
1845 {
1846         struct rte_eth_dev *dev;
1847
1848         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1849         dev = &rte_eth_devices[port_id];
1850
1851         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1852         dev->data->promiscuous = 0;
1853         (*dev->dev_ops->promiscuous_disable)(dev);
1854 }
1855
1856 int
1857 rte_eth_promiscuous_get(uint16_t port_id)
1858 {
1859         struct rte_eth_dev *dev;
1860
1861         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1862
1863         dev = &rte_eth_devices[port_id];
1864         return dev->data->promiscuous;
1865 }
1866
1867 void
1868 rte_eth_allmulticast_enable(uint16_t port_id)
1869 {
1870         struct rte_eth_dev *dev;
1871
1872         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1873         dev = &rte_eth_devices[port_id];
1874
1875         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1876         (*dev->dev_ops->allmulticast_enable)(dev);
1877         dev->data->all_multicast = 1;
1878 }
1879
1880 void
1881 rte_eth_allmulticast_disable(uint16_t port_id)
1882 {
1883         struct rte_eth_dev *dev;
1884
1885         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1886         dev = &rte_eth_devices[port_id];
1887
1888         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1889         dev->data->all_multicast = 0;
1890         (*dev->dev_ops->allmulticast_disable)(dev);
1891 }
1892
1893 int
1894 rte_eth_allmulticast_get(uint16_t port_id)
1895 {
1896         struct rte_eth_dev *dev;
1897
1898         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1899
1900         dev = &rte_eth_devices[port_id];
1901         return dev->data->all_multicast;
1902 }
1903
1904 void
1905 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1906 {
1907         struct rte_eth_dev *dev;
1908
1909         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1910         dev = &rte_eth_devices[port_id];
1911
1912         if (dev->data->dev_conf.intr_conf.lsc &&
1913             dev->data->dev_started)
1914                 rte_eth_linkstatus_get(dev, eth_link);
1915         else {
1916                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1917                 (*dev->dev_ops->link_update)(dev, 1);
1918                 *eth_link = dev->data->dev_link;
1919         }
1920 }
1921
1922 void
1923 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1924 {
1925         struct rte_eth_dev *dev;
1926
1927         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1928         dev = &rte_eth_devices[port_id];
1929
1930         if (dev->data->dev_conf.intr_conf.lsc &&
1931             dev->data->dev_started)
1932                 rte_eth_linkstatus_get(dev, eth_link);
1933         else {
1934                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1935                 (*dev->dev_ops->link_update)(dev, 0);
1936                 *eth_link = dev->data->dev_link;
1937         }
1938 }
1939
1940 int
1941 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1942 {
1943         struct rte_eth_dev *dev;
1944
1945         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1946
1947         dev = &rte_eth_devices[port_id];
1948         memset(stats, 0, sizeof(*stats));
1949
1950         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1951         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1952         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1953 }
1954
1955 int
1956 rte_eth_stats_reset(uint16_t port_id)
1957 {
1958         struct rte_eth_dev *dev;
1959
1960         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1961         dev = &rte_eth_devices[port_id];
1962
1963         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1964         (*dev->dev_ops->stats_reset)(dev);
1965         dev->data->rx_mbuf_alloc_failed = 0;
1966
1967         return 0;
1968 }
1969
1970 static inline int
1971 get_xstats_basic_count(struct rte_eth_dev *dev)
1972 {
1973         uint16_t nb_rxqs, nb_txqs;
1974         int count;
1975
1976         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1977         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1978
1979         count = RTE_NB_STATS;
1980         count += nb_rxqs * RTE_NB_RXQ_STATS;
1981         count += nb_txqs * RTE_NB_TXQ_STATS;
1982
1983         return count;
1984 }
1985
1986 static int
1987 get_xstats_count(uint16_t port_id)
1988 {
1989         struct rte_eth_dev *dev;
1990         int count;
1991
1992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1993         dev = &rte_eth_devices[port_id];
1994         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1995                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1996                                 NULL, 0);
1997                 if (count < 0)
1998                         return eth_err(port_id, count);
1999         }
2000         if (dev->dev_ops->xstats_get_names != NULL) {
2001                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2002                 if (count < 0)
2003                         return eth_err(port_id, count);
2004         } else
2005                 count = 0;
2006
2007
2008         count += get_xstats_basic_count(dev);
2009
2010         return count;
2011 }
2012
2013 int
2014 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2015                 uint64_t *id)
2016 {
2017         int cnt_xstats, idx_xstat;
2018
2019         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2020
2021         if (!id) {
2022                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2023                 return -ENOMEM;
2024         }
2025
2026         if (!xstat_name) {
2027                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2028                 return -ENOMEM;
2029         }
2030
2031         /* Get count */
2032         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2033         if (cnt_xstats  < 0) {
2034                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2035                 return -ENODEV;
2036         }
2037
2038         /* Get id-name lookup table */
2039         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2040
2041         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2042                         port_id, xstats_names, cnt_xstats, NULL)) {
2043                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2044                 return -1;
2045         }
2046
2047         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2048                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2049                         *id = idx_xstat;
2050                         return 0;
2051                 };
2052         }
2053
2054         return -EINVAL;
2055 }
2056
2057 /* retrieve basic stats names */
2058 static int
2059 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2060         struct rte_eth_xstat_name *xstats_names)
2061 {
2062         int cnt_used_entries = 0;
2063         uint32_t idx, id_queue;
2064         uint16_t num_q;
2065
2066         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2067                 snprintf(xstats_names[cnt_used_entries].name,
2068                         sizeof(xstats_names[0].name),
2069                         "%s", rte_stats_strings[idx].name);
2070                 cnt_used_entries++;
2071         }
2072         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2073         for (id_queue = 0; id_queue < num_q; id_queue++) {
2074                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2075                         snprintf(xstats_names[cnt_used_entries].name,
2076                                 sizeof(xstats_names[0].name),
2077                                 "rx_q%u%s",
2078                                 id_queue, rte_rxq_stats_strings[idx].name);
2079                         cnt_used_entries++;
2080                 }
2081
2082         }
2083         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2084         for (id_queue = 0; id_queue < num_q; id_queue++) {
2085                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2086                         snprintf(xstats_names[cnt_used_entries].name,
2087                                 sizeof(xstats_names[0].name),
2088                                 "tx_q%u%s",
2089                                 id_queue, rte_txq_stats_strings[idx].name);
2090                         cnt_used_entries++;
2091                 }
2092         }
2093         return cnt_used_entries;
2094 }
2095
2096 /* retrieve ethdev extended statistics names */
2097 int
2098 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2099         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2100         uint64_t *ids)
2101 {
2102         struct rte_eth_xstat_name *xstats_names_copy;
2103         unsigned int no_basic_stat_requested = 1;
2104         unsigned int no_ext_stat_requested = 1;
2105         unsigned int expected_entries;
2106         unsigned int basic_count;
2107         struct rte_eth_dev *dev;
2108         unsigned int i;
2109         int ret;
2110
2111         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2112         dev = &rte_eth_devices[port_id];
2113
2114         basic_count = get_xstats_basic_count(dev);
2115         ret = get_xstats_count(port_id);
2116         if (ret < 0)
2117                 return ret;
2118         expected_entries = (unsigned int)ret;
2119
2120         /* Return max number of stats if no ids given */
2121         if (!ids) {
2122                 if (!xstats_names)
2123                         return expected_entries;
2124                 else if (xstats_names && size < expected_entries)
2125                         return expected_entries;
2126         }
2127
2128         if (ids && !xstats_names)
2129                 return -EINVAL;
2130
2131         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2132                 uint64_t ids_copy[size];
2133
2134                 for (i = 0; i < size; i++) {
2135                         if (ids[i] < basic_count) {
2136                                 no_basic_stat_requested = 0;
2137                                 break;
2138                         }
2139
2140                         /*
2141                          * Convert ids to xstats ids that PMD knows.
2142                          * ids known by user are basic + extended stats.
2143                          */
2144                         ids_copy[i] = ids[i] - basic_count;
2145                 }
2146
2147                 if (no_basic_stat_requested)
2148                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2149                                         xstats_names, ids_copy, size);
2150         }
2151
2152         /* Retrieve all stats */
2153         if (!ids) {
2154                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2155                                 expected_entries);
2156                 if (num_stats < 0 || num_stats > (int)expected_entries)
2157                         return num_stats;
2158                 else
2159                         return expected_entries;
2160         }
2161
2162         xstats_names_copy = calloc(expected_entries,
2163                 sizeof(struct rte_eth_xstat_name));
2164
2165         if (!xstats_names_copy) {
2166                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2167                 return -ENOMEM;
2168         }
2169
2170         if (ids) {
2171                 for (i = 0; i < size; i++) {
2172                         if (ids[i] >= basic_count) {
2173                                 no_ext_stat_requested = 0;
2174                                 break;
2175                         }
2176                 }
2177         }
2178
2179         /* Fill xstats_names_copy structure */
2180         if (ids && no_ext_stat_requested) {
2181                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2182         } else {
2183                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2184                         expected_entries);
2185                 if (ret < 0) {
2186                         free(xstats_names_copy);
2187                         return ret;
2188                 }
2189         }
2190
2191         /* Filter stats */
2192         for (i = 0; i < size; i++) {
2193                 if (ids[i] >= expected_entries) {
2194                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2195                         free(xstats_names_copy);
2196                         return -1;
2197                 }
2198                 xstats_names[i] = xstats_names_copy[ids[i]];
2199         }
2200
2201         free(xstats_names_copy);
2202         return size;
2203 }
2204
2205 int
2206 rte_eth_xstats_get_names(uint16_t port_id,
2207         struct rte_eth_xstat_name *xstats_names,
2208         unsigned int size)
2209 {
2210         struct rte_eth_dev *dev;
2211         int cnt_used_entries;
2212         int cnt_expected_entries;
2213         int cnt_driver_entries;
2214
2215         cnt_expected_entries = get_xstats_count(port_id);
2216         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2217                         (int)size < cnt_expected_entries)
2218                 return cnt_expected_entries;
2219
2220         /* port_id checked in get_xstats_count() */
2221         dev = &rte_eth_devices[port_id];
2222
2223         cnt_used_entries = rte_eth_basic_stats_get_names(
2224                 dev, xstats_names);
2225
2226         if (dev->dev_ops->xstats_get_names != NULL) {
2227                 /* If there are any driver-specific xstats, append them
2228                  * to end of list.
2229                  */
2230                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2231                         dev,
2232                         xstats_names + cnt_used_entries,
2233                         size - cnt_used_entries);
2234                 if (cnt_driver_entries < 0)
2235                         return eth_err(port_id, cnt_driver_entries);
2236                 cnt_used_entries += cnt_driver_entries;
2237         }
2238
2239         return cnt_used_entries;
2240 }
2241
2242
2243 static int
2244 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2245 {
2246         struct rte_eth_dev *dev;
2247         struct rte_eth_stats eth_stats;
2248         unsigned int count = 0, i, q;
2249         uint64_t val, *stats_ptr;
2250         uint16_t nb_rxqs, nb_txqs;
2251         int ret;
2252
2253         ret = rte_eth_stats_get(port_id, &eth_stats);
2254         if (ret < 0)
2255                 return ret;
2256
2257         dev = &rte_eth_devices[port_id];
2258
2259         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2260         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2261
2262         /* global stats */
2263         for (i = 0; i < RTE_NB_STATS; i++) {
2264                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2265                                         rte_stats_strings[i].offset);
2266                 val = *stats_ptr;
2267                 xstats[count++].value = val;
2268         }
2269
2270         /* per-rxq stats */
2271         for (q = 0; q < nb_rxqs; q++) {
2272                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2273                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2274                                         rte_rxq_stats_strings[i].offset +
2275                                         q * sizeof(uint64_t));
2276                         val = *stats_ptr;
2277                         xstats[count++].value = val;
2278                 }
2279         }
2280
2281         /* per-txq stats */
2282         for (q = 0; q < nb_txqs; q++) {
2283                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2284                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2285                                         rte_txq_stats_strings[i].offset +
2286                                         q * sizeof(uint64_t));
2287                         val = *stats_ptr;
2288                         xstats[count++].value = val;
2289                 }
2290         }
2291         return count;
2292 }
2293
2294 /* retrieve ethdev extended statistics */
2295 int
2296 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2297                          uint64_t *values, unsigned int size)
2298 {
2299         unsigned int no_basic_stat_requested = 1;
2300         unsigned int no_ext_stat_requested = 1;
2301         unsigned int num_xstats_filled;
2302         unsigned int basic_count;
2303         uint16_t expected_entries;
2304         struct rte_eth_dev *dev;
2305         unsigned int i;
2306         int ret;
2307
2308         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2309         ret = get_xstats_count(port_id);
2310         if (ret < 0)
2311                 return ret;
2312         expected_entries = (uint16_t)ret;
2313         struct rte_eth_xstat xstats[expected_entries];
2314         dev = &rte_eth_devices[port_id];
2315         basic_count = get_xstats_basic_count(dev);
2316
2317         /* Return max number of stats if no ids given */
2318         if (!ids) {
2319                 if (!values)
2320                         return expected_entries;
2321                 else if (values && size < expected_entries)
2322                         return expected_entries;
2323         }
2324
2325         if (ids && !values)
2326                 return -EINVAL;
2327
2328         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2329                 unsigned int basic_count = get_xstats_basic_count(dev);
2330                 uint64_t ids_copy[size];
2331
2332                 for (i = 0; i < size; i++) {
2333                         if (ids[i] < basic_count) {
2334                                 no_basic_stat_requested = 0;
2335                                 break;
2336                         }
2337
2338                         /*
2339                          * Convert ids to xstats ids that PMD knows.
2340                          * ids known by user are basic + extended stats.
2341                          */
2342                         ids_copy[i] = ids[i] - basic_count;
2343                 }
2344
2345                 if (no_basic_stat_requested)
2346                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2347                                         values, size);
2348         }
2349
2350         if (ids) {
2351                 for (i = 0; i < size; i++) {
2352                         if (ids[i] >= basic_count) {
2353                                 no_ext_stat_requested = 0;
2354                                 break;
2355                         }
2356                 }
2357         }
2358
2359         /* Fill the xstats structure */
2360         if (ids && no_ext_stat_requested)
2361                 ret = rte_eth_basic_stats_get(port_id, xstats);
2362         else
2363                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2364
2365         if (ret < 0)
2366                 return ret;
2367         num_xstats_filled = (unsigned int)ret;
2368
2369         /* Return all stats */
2370         if (!ids) {
2371                 for (i = 0; i < num_xstats_filled; i++)
2372                         values[i] = xstats[i].value;
2373                 return expected_entries;
2374         }
2375
2376         /* Filter stats */
2377         for (i = 0; i < size; i++) {
2378                 if (ids[i] >= expected_entries) {
2379                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2380                         return -1;
2381                 }
2382                 values[i] = xstats[ids[i]].value;
2383         }
2384         return size;
2385 }
2386
2387 int
2388 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2389         unsigned int n)
2390 {
2391         struct rte_eth_dev *dev;
2392         unsigned int count = 0, i;
2393         signed int xcount = 0;
2394         uint16_t nb_rxqs, nb_txqs;
2395         int ret;
2396
2397         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2398
2399         dev = &rte_eth_devices[port_id];
2400
2401         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2402         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2403
2404         /* Return generic statistics */
2405         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2406                 (nb_txqs * RTE_NB_TXQ_STATS);
2407
2408         /* implemented by the driver */
2409         if (dev->dev_ops->xstats_get != NULL) {
2410                 /* Retrieve the xstats from the driver at the end of the
2411                  * xstats struct.
2412                  */
2413                 xcount = (*dev->dev_ops->xstats_get)(dev,
2414                                      xstats ? xstats + count : NULL,
2415                                      (n > count) ? n - count : 0);
2416
2417                 if (xcount < 0)
2418                         return eth_err(port_id, xcount);
2419         }
2420
2421         if (n < count + xcount || xstats == NULL)
2422                 return count + xcount;
2423
2424         /* now fill the xstats structure */
2425         ret = rte_eth_basic_stats_get(port_id, xstats);
2426         if (ret < 0)
2427                 return ret;
2428         count = ret;
2429
2430         for (i = 0; i < count; i++)
2431                 xstats[i].id = i;
2432         /* add an offset to driver-specific stats */
2433         for ( ; i < count + xcount; i++)
2434                 xstats[i].id += count;
2435
2436         return count + xcount;
2437 }
2438
2439 /* reset ethdev extended statistics */
2440 void
2441 rte_eth_xstats_reset(uint16_t port_id)
2442 {
2443         struct rte_eth_dev *dev;
2444
2445         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2446         dev = &rte_eth_devices[port_id];
2447
2448         /* implemented by the driver */
2449         if (dev->dev_ops->xstats_reset != NULL) {
2450                 (*dev->dev_ops->xstats_reset)(dev);
2451                 return;
2452         }
2453
2454         /* fallback to default */
2455         rte_eth_stats_reset(port_id);
2456 }
2457
2458 static int
2459 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2460                 uint8_t is_rx)
2461 {
2462         struct rte_eth_dev *dev;
2463
2464         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2465
2466         dev = &rte_eth_devices[port_id];
2467
2468         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2469
2470         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2471                 return -EINVAL;
2472
2473         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2474                 return -EINVAL;
2475
2476         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2477                 return -EINVAL;
2478
2479         return (*dev->dev_ops->queue_stats_mapping_set)
2480                         (dev, queue_id, stat_idx, is_rx);
2481 }
2482
2483
2484 int
2485 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2486                 uint8_t stat_idx)
2487 {
2488         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2489                                                 stat_idx, STAT_QMAP_TX));
2490 }
2491
2492
2493 int
2494 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2495                 uint8_t stat_idx)
2496 {
2497         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2498                                                 stat_idx, STAT_QMAP_RX));
2499 }
2500
2501 int
2502 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2503 {
2504         struct rte_eth_dev *dev;
2505
2506         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2507         dev = &rte_eth_devices[port_id];
2508
2509         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2510         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2511                                                         fw_version, fw_size));
2512 }
2513
2514 void
2515 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2516 {
2517         struct rte_eth_dev *dev;
2518         const struct rte_eth_desc_lim lim = {
2519                 .nb_max = UINT16_MAX,
2520                 .nb_min = 0,
2521                 .nb_align = 1,
2522         };
2523
2524         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2525         dev = &rte_eth_devices[port_id];
2526
2527         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2528         dev_info->rx_desc_lim = lim;
2529         dev_info->tx_desc_lim = lim;
2530         dev_info->device = dev->device;
2531
2532         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2533         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2534         dev_info->driver_name = dev->device->driver->name;
2535         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2536         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2537
2538         dev_info->dev_flags = &dev->data->dev_flags;
2539 }
2540
2541 int
2542 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2543                                  uint32_t *ptypes, int num)
2544 {
2545         int i, j;
2546         struct rte_eth_dev *dev;
2547         const uint32_t *all_ptypes;
2548
2549         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2550         dev = &rte_eth_devices[port_id];
2551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2552         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2553
2554         if (!all_ptypes)
2555                 return 0;
2556
2557         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2558                 if (all_ptypes[i] & ptype_mask) {
2559                         if (j < num)
2560                                 ptypes[j] = all_ptypes[i];
2561                         j++;
2562                 }
2563
2564         return j;
2565 }
2566
2567 void
2568 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2569 {
2570         struct rte_eth_dev *dev;
2571
2572         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2573         dev = &rte_eth_devices[port_id];
2574         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2575 }
2576
2577
2578 int
2579 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2580 {
2581         struct rte_eth_dev *dev;
2582
2583         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2584
2585         dev = &rte_eth_devices[port_id];
2586         *mtu = dev->data->mtu;
2587         return 0;
2588 }
2589
2590 int
2591 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2592 {
2593         int ret;
2594         struct rte_eth_dev *dev;
2595
2596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2597         dev = &rte_eth_devices[port_id];
2598         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2599
2600         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2601         if (!ret)
2602                 dev->data->mtu = mtu;
2603
2604         return eth_err(port_id, ret);
2605 }
2606
2607 int
2608 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2609 {
2610         struct rte_eth_dev *dev;
2611         int ret;
2612
2613         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2614         dev = &rte_eth_devices[port_id];
2615         if (!(dev->data->dev_conf.rxmode.offloads &
2616               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2617                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2618                         port_id);
2619                 return -ENOSYS;
2620         }
2621
2622         if (vlan_id > 4095) {
2623                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2624                         port_id, vlan_id);
2625                 return -EINVAL;
2626         }
2627         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2628
2629         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2630         if (ret == 0) {
2631                 struct rte_vlan_filter_conf *vfc;
2632                 int vidx;
2633                 int vbit;
2634
2635                 vfc = &dev->data->vlan_filter_conf;
2636                 vidx = vlan_id / 64;
2637                 vbit = vlan_id % 64;
2638
2639                 if (on)
2640                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2641                 else
2642                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2643         }
2644
2645         return eth_err(port_id, ret);
2646 }
2647
2648 int
2649 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2650                                     int on)
2651 {
2652         struct rte_eth_dev *dev;
2653
2654         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2655         dev = &rte_eth_devices[port_id];
2656         if (rx_queue_id >= dev->data->nb_rx_queues) {
2657                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2658                 return -EINVAL;
2659         }
2660
2661         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2662         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2663
2664         return 0;
2665 }
2666
2667 int
2668 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2669                                 enum rte_vlan_type vlan_type,
2670                                 uint16_t tpid)
2671 {
2672         struct rte_eth_dev *dev;
2673
2674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2675         dev = &rte_eth_devices[port_id];
2676         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2677
2678         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2679                                                                tpid));
2680 }
2681
2682 int
2683 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2684 {
2685         struct rte_eth_dev *dev;
2686         int ret = 0;
2687         int mask = 0;
2688         int cur, org = 0;
2689         uint64_t orig_offloads;
2690
2691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2692         dev = &rte_eth_devices[port_id];
2693
2694         /* save original values in case of failure */
2695         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2696
2697         /*check which option changed by application*/
2698         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2699         org = !!(dev->data->dev_conf.rxmode.offloads &
2700                  DEV_RX_OFFLOAD_VLAN_STRIP);
2701         if (cur != org) {
2702                 if (cur)
2703                         dev->data->dev_conf.rxmode.offloads |=
2704                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2705                 else
2706                         dev->data->dev_conf.rxmode.offloads &=
2707                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2708                 mask |= ETH_VLAN_STRIP_MASK;
2709         }
2710
2711         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2712         org = !!(dev->data->dev_conf.rxmode.offloads &
2713                  DEV_RX_OFFLOAD_VLAN_FILTER);
2714         if (cur != org) {
2715                 if (cur)
2716                         dev->data->dev_conf.rxmode.offloads |=
2717                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2718                 else
2719                         dev->data->dev_conf.rxmode.offloads &=
2720                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2721                 mask |= ETH_VLAN_FILTER_MASK;
2722         }
2723
2724         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2725         org = !!(dev->data->dev_conf.rxmode.offloads &
2726                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2727         if (cur != org) {
2728                 if (cur)
2729                         dev->data->dev_conf.rxmode.offloads |=
2730                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2731                 else
2732                         dev->data->dev_conf.rxmode.offloads &=
2733                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2734                 mask |= ETH_VLAN_EXTEND_MASK;
2735         }
2736
2737         /*no change*/
2738         if (mask == 0)
2739                 return ret;
2740
2741         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2742         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2743         if (ret) {
2744                 /* hit an error restore  original values */
2745                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2746         }
2747
2748         return eth_err(port_id, ret);
2749 }
2750
2751 int
2752 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2753 {
2754         struct rte_eth_dev *dev;
2755         int ret = 0;
2756
2757         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2758         dev = &rte_eth_devices[port_id];
2759
2760         if (dev->data->dev_conf.rxmode.offloads &
2761             DEV_RX_OFFLOAD_VLAN_STRIP)
2762                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2763
2764         if (dev->data->dev_conf.rxmode.offloads &
2765             DEV_RX_OFFLOAD_VLAN_FILTER)
2766                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2767
2768         if (dev->data->dev_conf.rxmode.offloads &
2769             DEV_RX_OFFLOAD_VLAN_EXTEND)
2770                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2771
2772         return ret;
2773 }
2774
2775 int
2776 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2777 {
2778         struct rte_eth_dev *dev;
2779
2780         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2781         dev = &rte_eth_devices[port_id];
2782         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2783
2784         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2785 }
2786
2787 int
2788 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2789 {
2790         struct rte_eth_dev *dev;
2791
2792         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2793         dev = &rte_eth_devices[port_id];
2794         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2795         memset(fc_conf, 0, sizeof(*fc_conf));
2796         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2797 }
2798
2799 int
2800 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2801 {
2802         struct rte_eth_dev *dev;
2803
2804         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2805         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2806                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2807                 return -EINVAL;
2808         }
2809
2810         dev = &rte_eth_devices[port_id];
2811         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2812         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2813 }
2814
2815 int
2816 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2817                                    struct rte_eth_pfc_conf *pfc_conf)
2818 {
2819         struct rte_eth_dev *dev;
2820
2821         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2822         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2823                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2824                 return -EINVAL;
2825         }
2826
2827         dev = &rte_eth_devices[port_id];
2828         /* High water, low water validation are device specific */
2829         if  (*dev->dev_ops->priority_flow_ctrl_set)
2830                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2831                                         (dev, pfc_conf));
2832         return -ENOTSUP;
2833 }
2834
2835 static int
2836 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2837                         uint16_t reta_size)
2838 {
2839         uint16_t i, num;
2840
2841         if (!reta_conf)
2842                 return -EINVAL;
2843
2844         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2845         for (i = 0; i < num; i++) {
2846                 if (reta_conf[i].mask)
2847                         return 0;
2848         }
2849
2850         return -EINVAL;
2851 }
2852
2853 static int
2854 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2855                          uint16_t reta_size,
2856                          uint16_t max_rxq)
2857 {
2858         uint16_t i, idx, shift;
2859
2860         if (!reta_conf)
2861                 return -EINVAL;
2862
2863         if (max_rxq == 0) {
2864                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2865                 return -EINVAL;
2866         }
2867
2868         for (i = 0; i < reta_size; i++) {
2869                 idx = i / RTE_RETA_GROUP_SIZE;
2870                 shift = i % RTE_RETA_GROUP_SIZE;
2871                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2872                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2873                         RTE_ETHDEV_LOG(ERR,
2874                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2875                                 idx, shift,
2876                                 reta_conf[idx].reta[shift], max_rxq);
2877                         return -EINVAL;
2878                 }
2879         }
2880
2881         return 0;
2882 }
2883
2884 int
2885 rte_eth_dev_rss_reta_update(uint16_t port_id,
2886                             struct rte_eth_rss_reta_entry64 *reta_conf,
2887                             uint16_t reta_size)
2888 {
2889         struct rte_eth_dev *dev;
2890         int ret;
2891
2892         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2893         /* Check mask bits */
2894         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2895         if (ret < 0)
2896                 return ret;
2897
2898         dev = &rte_eth_devices[port_id];
2899
2900         /* Check entry value */
2901         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2902                                 dev->data->nb_rx_queues);
2903         if (ret < 0)
2904                 return ret;
2905
2906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2907         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2908                                                              reta_size));
2909 }
2910
2911 int
2912 rte_eth_dev_rss_reta_query(uint16_t port_id,
2913                            struct rte_eth_rss_reta_entry64 *reta_conf,
2914                            uint16_t reta_size)
2915 {
2916         struct rte_eth_dev *dev;
2917         int ret;
2918
2919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2920
2921         /* Check mask bits */
2922         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2923         if (ret < 0)
2924                 return ret;
2925
2926         dev = &rte_eth_devices[port_id];
2927         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2928         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2929                                                             reta_size));
2930 }
2931
2932 int
2933 rte_eth_dev_rss_hash_update(uint16_t port_id,
2934                             struct rte_eth_rss_conf *rss_conf)
2935 {
2936         struct rte_eth_dev *dev;
2937         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2938
2939         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2940         dev = &rte_eth_devices[port_id];
2941         rte_eth_dev_info_get(port_id, &dev_info);
2942         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2943             dev_info.flow_type_rss_offloads) {
2944                 RTE_ETHDEV_LOG(ERR,
2945                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2946                         port_id, rss_conf->rss_hf,
2947                         dev_info.flow_type_rss_offloads);
2948                 return -EINVAL;
2949         }
2950         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2951         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2952                                                                  rss_conf));
2953 }
2954
2955 int
2956 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2957                               struct rte_eth_rss_conf *rss_conf)
2958 {
2959         struct rte_eth_dev *dev;
2960
2961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2962         dev = &rte_eth_devices[port_id];
2963         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2964         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2965                                                                    rss_conf));
2966 }
2967
2968 int
2969 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2970                                 struct rte_eth_udp_tunnel *udp_tunnel)
2971 {
2972         struct rte_eth_dev *dev;
2973
2974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2975         if (udp_tunnel == NULL) {
2976                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2977                 return -EINVAL;
2978         }
2979
2980         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2981                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2982                 return -EINVAL;
2983         }
2984
2985         dev = &rte_eth_devices[port_id];
2986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2987         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2988                                                                 udp_tunnel));
2989 }
2990
2991 int
2992 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2993                                    struct rte_eth_udp_tunnel *udp_tunnel)
2994 {
2995         struct rte_eth_dev *dev;
2996
2997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2998         dev = &rte_eth_devices[port_id];
2999
3000         if (udp_tunnel == NULL) {
3001                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3002                 return -EINVAL;
3003         }
3004
3005         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3006                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3007                 return -EINVAL;
3008         }
3009
3010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3011         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3012                                                                 udp_tunnel));
3013 }
3014
3015 int
3016 rte_eth_led_on(uint16_t port_id)
3017 {
3018         struct rte_eth_dev *dev;
3019
3020         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3021         dev = &rte_eth_devices[port_id];
3022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3023         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3024 }
3025
3026 int
3027 rte_eth_led_off(uint16_t port_id)
3028 {
3029         struct rte_eth_dev *dev;
3030
3031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3032         dev = &rte_eth_devices[port_id];
3033         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3034         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3035 }
3036
3037 /*
3038  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3039  * an empty spot.
3040  */
3041 static int
3042 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3043 {
3044         struct rte_eth_dev_info dev_info;
3045         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3046         unsigned i;
3047
3048         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3049         rte_eth_dev_info_get(port_id, &dev_info);
3050
3051         for (i = 0; i < dev_info.max_mac_addrs; i++)
3052                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3053                         return i;
3054
3055         return -1;
3056 }
3057
3058 static const struct ether_addr null_mac_addr;
3059
3060 int
3061 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3062                         uint32_t pool)
3063 {
3064         struct rte_eth_dev *dev;
3065         int index;
3066         uint64_t pool_mask;
3067         int ret;
3068
3069         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3070         dev = &rte_eth_devices[port_id];
3071         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3072
3073         if (is_zero_ether_addr(addr)) {
3074                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3075                         port_id);
3076                 return -EINVAL;
3077         }
3078         if (pool >= ETH_64_POOLS) {
3079                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3080                 return -EINVAL;
3081         }
3082
3083         index = get_mac_addr_index(port_id, addr);
3084         if (index < 0) {
3085                 index = get_mac_addr_index(port_id, &null_mac_addr);
3086                 if (index < 0) {
3087                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3088                                 port_id);
3089                         return -ENOSPC;
3090                 }
3091         } else {
3092                 pool_mask = dev->data->mac_pool_sel[index];
3093
3094                 /* Check if both MAC address and pool is already there, and do nothing */
3095                 if (pool_mask & (1ULL << pool))
3096                         return 0;
3097         }
3098
3099         /* Update NIC */
3100         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3101
3102         if (ret == 0) {
3103                 /* Update address in NIC data structure */
3104                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3105
3106                 /* Update pool bitmap in NIC data structure */
3107                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3108         }
3109
3110         return eth_err(port_id, ret);
3111 }
3112
3113 int
3114 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3115 {
3116         struct rte_eth_dev *dev;
3117         int index;
3118
3119         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3120         dev = &rte_eth_devices[port_id];
3121         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3122
3123         index = get_mac_addr_index(port_id, addr);
3124         if (index == 0) {
3125                 RTE_ETHDEV_LOG(ERR,
3126                         "Port %u: Cannot remove default MAC address\n",
3127                         port_id);
3128                 return -EADDRINUSE;
3129         } else if (index < 0)
3130                 return 0;  /* Do nothing if address wasn't found */
3131
3132         /* Update NIC */
3133         (*dev->dev_ops->mac_addr_remove)(dev, index);
3134
3135         /* Update address in NIC data structure */
3136         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3137
3138         /* reset pool bitmap */
3139         dev->data->mac_pool_sel[index] = 0;
3140
3141         return 0;
3142 }
3143
3144 int
3145 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3146 {
3147         struct rte_eth_dev *dev;
3148         int ret;
3149
3150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3151
3152         if (!is_valid_assigned_ether_addr(addr))
3153                 return -EINVAL;
3154
3155         dev = &rte_eth_devices[port_id];
3156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3157
3158         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3159         if (ret < 0)
3160                 return ret;
3161
3162         /* Update default address in NIC data structure */
3163         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3164
3165         return 0;
3166 }
3167
3168
3169 /*
3170  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3171  * an empty spot.
3172  */
3173 static int
3174 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3175 {
3176         struct rte_eth_dev_info dev_info;
3177         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3178         unsigned i;
3179
3180         rte_eth_dev_info_get(port_id, &dev_info);
3181         if (!dev->data->hash_mac_addrs)
3182                 return -1;
3183
3184         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3185                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3186                         ETHER_ADDR_LEN) == 0)
3187                         return i;
3188
3189         return -1;
3190 }
3191
3192 int
3193 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3194                                 uint8_t on)
3195 {
3196         int index;
3197         int ret;
3198         struct rte_eth_dev *dev;
3199
3200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3201
3202         dev = &rte_eth_devices[port_id];
3203         if (is_zero_ether_addr(addr)) {
3204                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3205                         port_id);
3206                 return -EINVAL;
3207         }
3208
3209         index = get_hash_mac_addr_index(port_id, addr);
3210         /* Check if it's already there, and do nothing */
3211         if ((index >= 0) && on)
3212                 return 0;
3213
3214         if (index < 0) {
3215                 if (!on) {
3216                         RTE_ETHDEV_LOG(ERR,
3217                                 "Port %u: the MAC address was not set in UTA\n",
3218                                 port_id);
3219                         return -EINVAL;
3220                 }
3221
3222                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3223                 if (index < 0) {
3224                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3225                                 port_id);
3226                         return -ENOSPC;
3227                 }
3228         }
3229
3230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3231         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3232         if (ret == 0) {
3233                 /* Update address in NIC data structure */
3234                 if (on)
3235                         ether_addr_copy(addr,
3236                                         &dev->data->hash_mac_addrs[index]);
3237                 else
3238                         ether_addr_copy(&null_mac_addr,
3239                                         &dev->data->hash_mac_addrs[index]);
3240         }
3241
3242         return eth_err(port_id, ret);
3243 }
3244
3245 int
3246 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3247 {
3248         struct rte_eth_dev *dev;
3249
3250         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3251
3252         dev = &rte_eth_devices[port_id];
3253
3254         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3255         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3256                                                                        on));
3257 }
3258
3259 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3260                                         uint16_t tx_rate)
3261 {
3262         struct rte_eth_dev *dev;
3263         struct rte_eth_dev_info dev_info;
3264         struct rte_eth_link link;
3265
3266         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3267
3268         dev = &rte_eth_devices[port_id];
3269         rte_eth_dev_info_get(port_id, &dev_info);
3270         link = dev->data->dev_link;
3271
3272         if (queue_idx > dev_info.max_tx_queues) {
3273                 RTE_ETHDEV_LOG(ERR,
3274                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3275                         port_id, queue_idx);
3276                 return -EINVAL;
3277         }
3278
3279         if (tx_rate > link.link_speed) {
3280                 RTE_ETHDEV_LOG(ERR,
3281                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3282                         tx_rate, link.link_speed);
3283                 return -EINVAL;
3284         }
3285
3286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3287         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3288                                                         queue_idx, tx_rate));
3289 }
3290
3291 int
3292 rte_eth_mirror_rule_set(uint16_t port_id,
3293                         struct rte_eth_mirror_conf *mirror_conf,
3294                         uint8_t rule_id, uint8_t on)
3295 {
3296         struct rte_eth_dev *dev;
3297
3298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3299         if (mirror_conf->rule_type == 0) {
3300                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3301                 return -EINVAL;
3302         }
3303
3304         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3305                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3306                         ETH_64_POOLS - 1);
3307                 return -EINVAL;
3308         }
3309
3310         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3311              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3312             (mirror_conf->pool_mask == 0)) {
3313                 RTE_ETHDEV_LOG(ERR,
3314                         "Invalid mirror pool, pool mask can not be 0\n");
3315                 return -EINVAL;
3316         }
3317
3318         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3319             mirror_conf->vlan.vlan_mask == 0) {
3320                 RTE_ETHDEV_LOG(ERR,
3321                         "Invalid vlan mask, vlan mask can not be 0\n");
3322                 return -EINVAL;
3323         }
3324
3325         dev = &rte_eth_devices[port_id];
3326         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3327
3328         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3329                                                 mirror_conf, rule_id, on));
3330 }
3331
3332 int
3333 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3334 {
3335         struct rte_eth_dev *dev;
3336
3337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3338
3339         dev = &rte_eth_devices[port_id];
3340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3341
3342         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3343                                                                    rule_id));
3344 }
3345
3346 RTE_INIT(eth_dev_init_cb_lists)
3347 {
3348         int i;
3349
3350         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3351                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3352 }
3353
3354 int
3355 rte_eth_dev_callback_register(uint16_t port_id,
3356                         enum rte_eth_event_type event,
3357                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3358 {
3359         struct rte_eth_dev *dev;
3360         struct rte_eth_dev_callback *user_cb;
3361         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3362         uint16_t last_port;
3363
3364         if (!cb_fn)
3365                 return -EINVAL;
3366
3367         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3368                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3369                 return -EINVAL;
3370         }
3371
3372         if (port_id == RTE_ETH_ALL) {
3373                 next_port = 0;
3374                 last_port = RTE_MAX_ETHPORTS - 1;
3375         } else {
3376                 next_port = last_port = port_id;
3377         }
3378
3379         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3380
3381         do {
3382                 dev = &rte_eth_devices[next_port];
3383
3384                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3385                         if (user_cb->cb_fn == cb_fn &&
3386                                 user_cb->cb_arg == cb_arg &&
3387                                 user_cb->event == event) {
3388                                 break;
3389                         }
3390                 }
3391
3392                 /* create a new callback. */
3393                 if (user_cb == NULL) {
3394                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3395                                 sizeof(struct rte_eth_dev_callback), 0);
3396                         if (user_cb != NULL) {
3397                                 user_cb->cb_fn = cb_fn;
3398                                 user_cb->cb_arg = cb_arg;
3399                                 user_cb->event = event;
3400                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3401                                                   user_cb, next);
3402                         } else {
3403                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3404                                 rte_eth_dev_callback_unregister(port_id, event,
3405                                                                 cb_fn, cb_arg);
3406                                 return -ENOMEM;
3407                         }
3408
3409                 }
3410         } while (++next_port <= last_port);
3411
3412         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3413         return 0;
3414 }
3415
3416 int
3417 rte_eth_dev_callback_unregister(uint16_t port_id,
3418                         enum rte_eth_event_type event,
3419                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3420 {
3421         int ret;
3422         struct rte_eth_dev *dev;
3423         struct rte_eth_dev_callback *cb, *next;
3424         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3425         uint16_t last_port;
3426
3427         if (!cb_fn)
3428                 return -EINVAL;
3429
3430         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3431                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3432                 return -EINVAL;
3433         }
3434
3435         if (port_id == RTE_ETH_ALL) {
3436                 next_port = 0;
3437                 last_port = RTE_MAX_ETHPORTS - 1;
3438         } else {
3439                 next_port = last_port = port_id;
3440         }
3441
3442         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3443
3444         do {
3445                 dev = &rte_eth_devices[next_port];
3446                 ret = 0;
3447                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3448                      cb = next) {
3449
3450                         next = TAILQ_NEXT(cb, next);
3451
3452                         if (cb->cb_fn != cb_fn || cb->event != event ||
3453                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3454                                 continue;
3455
3456                         /*
3457                          * if this callback is not executing right now,
3458                          * then remove it.
3459                          */
3460                         if (cb->active == 0) {
3461                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3462                                 rte_free(cb);
3463                         } else {
3464                                 ret = -EAGAIN;
3465                         }
3466                 }
3467         } while (++next_port <= last_port);
3468
3469         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3470         return ret;
3471 }
3472
3473 int
3474 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3475         enum rte_eth_event_type event, void *ret_param)
3476 {
3477         struct rte_eth_dev_callback *cb_lst;
3478         struct rte_eth_dev_callback dev_cb;
3479         int rc = 0;
3480
3481         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3482         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3483                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3484                         continue;
3485                 dev_cb = *cb_lst;
3486                 cb_lst->active = 1;
3487                 if (ret_param != NULL)
3488                         dev_cb.ret_param = ret_param;
3489
3490                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3491                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3492                                 dev_cb.cb_arg, dev_cb.ret_param);
3493                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3494                 cb_lst->active = 0;
3495         }
3496         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3497         return rc;
3498 }
3499
3500 void
3501 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3502 {
3503         if (dev == NULL)
3504                 return;
3505
3506         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3507
3508         dev->state = RTE_ETH_DEV_ATTACHED;
3509 }
3510
3511 int
3512 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3513 {
3514         uint32_t vec;
3515         struct rte_eth_dev *dev;
3516         struct rte_intr_handle *intr_handle;
3517         uint16_t qid;
3518         int rc;
3519
3520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3521
3522         dev = &rte_eth_devices[port_id];
3523
3524         if (!dev->intr_handle) {
3525                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3526                 return -ENOTSUP;
3527         }
3528
3529         intr_handle = dev->intr_handle;
3530         if (!intr_handle->intr_vec) {
3531                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3532                 return -EPERM;
3533         }
3534
3535         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3536                 vec = intr_handle->intr_vec[qid];
3537                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3538                 if (rc && rc != -EEXIST) {
3539                         RTE_ETHDEV_LOG(ERR,
3540                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3541                                 port_id, qid, op, epfd, vec);
3542                 }
3543         }
3544
3545         return 0;
3546 }
3547
3548 int __rte_experimental
3549 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3550 {
3551         struct rte_intr_handle *intr_handle;
3552         struct rte_eth_dev *dev;
3553         unsigned int efd_idx;
3554         uint32_t vec;
3555         int fd;
3556
3557         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3558
3559         dev = &rte_eth_devices[port_id];
3560
3561         if (queue_id >= dev->data->nb_rx_queues) {
3562                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3563                 return -1;
3564         }
3565
3566         if (!dev->intr_handle) {
3567                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3568                 return -1;
3569         }
3570
3571         intr_handle = dev->intr_handle;
3572         if (!intr_handle->intr_vec) {
3573                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3574                 return -1;
3575         }
3576
3577         vec = intr_handle->intr_vec[queue_id];
3578         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3579                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3580         fd = intr_handle->efds[efd_idx];
3581
3582         return fd;
3583 }
3584
3585 const struct rte_memzone *
3586 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3587                          uint16_t queue_id, size_t size, unsigned align,
3588                          int socket_id)
3589 {
3590         char z_name[RTE_MEMZONE_NAMESIZE];
3591         const struct rte_memzone *mz;
3592
3593         snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3594                  dev->data->port_id, queue_id, ring_name);
3595
3596         mz = rte_memzone_lookup(z_name);
3597         if (mz)
3598                 return mz;
3599
3600         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3601                         RTE_MEMZONE_IOVA_CONTIG, align);
3602 }
3603
3604 int __rte_experimental
3605 rte_eth_dev_create(struct rte_device *device, const char *name,
3606         size_t priv_data_size,
3607         ethdev_bus_specific_init ethdev_bus_specific_init,
3608         void *bus_init_params,
3609         ethdev_init_t ethdev_init, void *init_params)
3610 {
3611         struct rte_eth_dev *ethdev;
3612         int retval;
3613
3614         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3615
3616         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3617                 ethdev = rte_eth_dev_allocate(name);
3618                 if (!ethdev)
3619                         return -ENODEV;
3620
3621                 if (priv_data_size) {
3622                         ethdev->data->dev_private = rte_zmalloc_socket(
3623                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3624                                 device->numa_node);
3625
3626                         if (!ethdev->data->dev_private) {
3627                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3628                                 retval = -ENOMEM;
3629                                 goto probe_failed;
3630                         }
3631                 }
3632         } else {
3633                 ethdev = rte_eth_dev_attach_secondary(name);
3634                 if (!ethdev) {
3635                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3636                                 "ethdev doesn't exist");
3637                         return  -ENODEV;
3638                 }
3639         }
3640
3641         ethdev->device = device;
3642
3643         if (ethdev_bus_specific_init) {
3644                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3645                 if (retval) {
3646                         RTE_LOG(ERR, EAL,
3647                                 "ethdev bus specific initialisation failed");
3648                         goto probe_failed;
3649                 }
3650         }
3651
3652         retval = ethdev_init(ethdev, init_params);
3653         if (retval) {
3654                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3655                 goto probe_failed;
3656         }
3657
3658         rte_eth_dev_probing_finish(ethdev);
3659
3660         return retval;
3661
3662 probe_failed:
3663         rte_eth_dev_release_port(ethdev);
3664         return retval;
3665 }
3666
3667 int  __rte_experimental
3668 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3669         ethdev_uninit_t ethdev_uninit)
3670 {
3671         int ret;
3672
3673         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3674         if (!ethdev)
3675                 return -ENODEV;
3676
3677         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3678
3679         ret = ethdev_uninit(ethdev);
3680         if (ret)
3681                 return ret;
3682
3683         return rte_eth_dev_release_port(ethdev);
3684 }
3685
3686 int
3687 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3688                           int epfd, int op, void *data)
3689 {
3690         uint32_t vec;
3691         struct rte_eth_dev *dev;
3692         struct rte_intr_handle *intr_handle;
3693         int rc;
3694
3695         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3696
3697         dev = &rte_eth_devices[port_id];
3698         if (queue_id >= dev->data->nb_rx_queues) {
3699                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3700                 return -EINVAL;
3701         }
3702
3703         if (!dev->intr_handle) {
3704                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3705                 return -ENOTSUP;
3706         }
3707
3708         intr_handle = dev->intr_handle;
3709         if (!intr_handle->intr_vec) {
3710                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3711                 return -EPERM;
3712         }
3713
3714         vec = intr_handle->intr_vec[queue_id];
3715         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3716         if (rc && rc != -EEXIST) {
3717                 RTE_ETHDEV_LOG(ERR,
3718                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3719                         port_id, queue_id, op, epfd, vec);
3720                 return rc;
3721         }
3722
3723         return 0;
3724 }
3725
3726 int
3727 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3728                            uint16_t queue_id)
3729 {
3730         struct rte_eth_dev *dev;
3731
3732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3733
3734         dev = &rte_eth_devices[port_id];
3735
3736         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3737         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3738                                                                 queue_id));
3739 }
3740
3741 int
3742 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3743                             uint16_t queue_id)
3744 {
3745         struct rte_eth_dev *dev;
3746
3747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3748
3749         dev = &rte_eth_devices[port_id];
3750
3751         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3752         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3753                                                                 queue_id));
3754 }
3755
3756
3757 int
3758 rte_eth_dev_filter_supported(uint16_t port_id,
3759                              enum rte_filter_type filter_type)
3760 {
3761         struct rte_eth_dev *dev;
3762
3763         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3764
3765         dev = &rte_eth_devices[port_id];
3766         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3767         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3768                                 RTE_ETH_FILTER_NOP, NULL);
3769 }
3770
3771 int
3772 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3773                         enum rte_filter_op filter_op, void *arg)
3774 {
3775         struct rte_eth_dev *dev;
3776
3777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3778
3779         dev = &rte_eth_devices[port_id];
3780         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3781         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3782                                                              filter_op, arg));
3783 }
3784
3785 const struct rte_eth_rxtx_callback *
3786 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3787                 rte_rx_callback_fn fn, void *user_param)
3788 {
3789 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3790         rte_errno = ENOTSUP;
3791         return NULL;
3792 #endif
3793         /* check input parameters */
3794         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3795                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3796                 rte_errno = EINVAL;
3797                 return NULL;
3798         }
3799         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3800
3801         if (cb == NULL) {
3802                 rte_errno = ENOMEM;
3803                 return NULL;
3804         }
3805
3806         cb->fn.rx = fn;
3807         cb->param = user_param;
3808
3809         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3810         /* Add the callbacks in fifo order. */
3811         struct rte_eth_rxtx_callback *tail =
3812                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3813
3814         if (!tail) {
3815                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3816
3817         } else {
3818                 while (tail->next)
3819                         tail = tail->next;
3820                 tail->next = cb;
3821         }
3822         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3823
3824         return cb;
3825 }
3826
3827 const struct rte_eth_rxtx_callback *
3828 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3829                 rte_rx_callback_fn fn, void *user_param)
3830 {
3831 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3832         rte_errno = ENOTSUP;
3833         return NULL;
3834 #endif
3835         /* check input parameters */
3836         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3837                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3838                 rte_errno = EINVAL;
3839                 return NULL;
3840         }
3841
3842         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3843
3844         if (cb == NULL) {
3845                 rte_errno = ENOMEM;
3846                 return NULL;
3847         }
3848
3849         cb->fn.rx = fn;
3850         cb->param = user_param;
3851
3852         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3853         /* Add the callbacks at fisrt position*/
3854         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3855         rte_smp_wmb();
3856         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3857         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3858
3859         return cb;
3860 }
3861
3862 const struct rte_eth_rxtx_callback *
3863 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3864                 rte_tx_callback_fn fn, void *user_param)
3865 {
3866 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3867         rte_errno = ENOTSUP;
3868         return NULL;
3869 #endif
3870         /* check input parameters */
3871         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3872                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3873                 rte_errno = EINVAL;
3874                 return NULL;
3875         }
3876
3877         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3878
3879         if (cb == NULL) {
3880                 rte_errno = ENOMEM;
3881                 return NULL;
3882         }
3883
3884         cb->fn.tx = fn;
3885         cb->param = user_param;
3886
3887         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3888         /* Add the callbacks in fifo order. */
3889         struct rte_eth_rxtx_callback *tail =
3890                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3891
3892         if (!tail) {
3893                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3894
3895         } else {
3896                 while (tail->next)
3897                         tail = tail->next;
3898                 tail->next = cb;
3899         }
3900         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3901
3902         return cb;
3903 }
3904
3905 int
3906 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3907                 const struct rte_eth_rxtx_callback *user_cb)
3908 {
3909 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3910         return -ENOTSUP;
3911 #endif
3912         /* Check input parameters. */
3913         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3914         if (user_cb == NULL ||
3915                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3916                 return -EINVAL;
3917
3918         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3919         struct rte_eth_rxtx_callback *cb;
3920         struct rte_eth_rxtx_callback **prev_cb;
3921         int ret = -EINVAL;
3922
3923         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3924         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3925         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3926                 cb = *prev_cb;
3927                 if (cb == user_cb) {
3928                         /* Remove the user cb from the callback list. */
3929                         *prev_cb = cb->next;
3930                         ret = 0;
3931                         break;
3932                 }
3933         }
3934         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3935
3936         return ret;
3937 }
3938
3939 int
3940 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3941                 const struct rte_eth_rxtx_callback *user_cb)
3942 {
3943 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3944         return -ENOTSUP;
3945 #endif
3946         /* Check input parameters. */
3947         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3948         if (user_cb == NULL ||
3949                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3950                 return -EINVAL;
3951
3952         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3953         int ret = -EINVAL;
3954         struct rte_eth_rxtx_callback *cb;
3955         struct rte_eth_rxtx_callback **prev_cb;
3956
3957         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3958         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3959         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3960                 cb = *prev_cb;
3961                 if (cb == user_cb) {
3962                         /* Remove the user cb from the callback list. */
3963                         *prev_cb = cb->next;
3964                         ret = 0;
3965                         break;
3966                 }
3967         }
3968         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3969
3970         return ret;
3971 }
3972
3973 int
3974 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3975         struct rte_eth_rxq_info *qinfo)
3976 {
3977         struct rte_eth_dev *dev;
3978
3979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3980
3981         if (qinfo == NULL)
3982                 return -EINVAL;
3983
3984         dev = &rte_eth_devices[port_id];
3985         if (queue_id >= dev->data->nb_rx_queues) {
3986                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3987                 return -EINVAL;
3988         }
3989
3990         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3991
3992         memset(qinfo, 0, sizeof(*qinfo));
3993         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3994         return 0;
3995 }
3996
3997 int
3998 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3999         struct rte_eth_txq_info *qinfo)
4000 {
4001         struct rte_eth_dev *dev;
4002
4003         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4004
4005         if (qinfo == NULL)
4006                 return -EINVAL;
4007
4008         dev = &rte_eth_devices[port_id];
4009         if (queue_id >= dev->data->nb_tx_queues) {
4010                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4011                 return -EINVAL;
4012         }
4013
4014         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4015
4016         memset(qinfo, 0, sizeof(*qinfo));
4017         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4018
4019         return 0;
4020 }
4021
4022 int
4023 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4024                              struct ether_addr *mc_addr_set,
4025                              uint32_t nb_mc_addr)
4026 {
4027         struct rte_eth_dev *dev;
4028
4029         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4030
4031         dev = &rte_eth_devices[port_id];
4032         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4033         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4034                                                 mc_addr_set, nb_mc_addr));
4035 }
4036
4037 int
4038 rte_eth_timesync_enable(uint16_t port_id)
4039 {
4040         struct rte_eth_dev *dev;
4041
4042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4043         dev = &rte_eth_devices[port_id];
4044
4045         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4046         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4047 }
4048
4049 int
4050 rte_eth_timesync_disable(uint16_t port_id)
4051 {
4052         struct rte_eth_dev *dev;
4053
4054         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4055         dev = &rte_eth_devices[port_id];
4056
4057         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4058         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4059 }
4060
4061 int
4062 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4063                                    uint32_t flags)
4064 {
4065         struct rte_eth_dev *dev;
4066
4067         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4068         dev = &rte_eth_devices[port_id];
4069
4070         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4071         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4072                                 (dev, timestamp, flags));
4073 }
4074
4075 int
4076 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4077                                    struct timespec *timestamp)
4078 {
4079         struct rte_eth_dev *dev;
4080
4081         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4082         dev = &rte_eth_devices[port_id];
4083
4084         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4085         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4086                                 (dev, timestamp));
4087 }
4088
4089 int
4090 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4091 {
4092         struct rte_eth_dev *dev;
4093
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4095         dev = &rte_eth_devices[port_id];
4096
4097         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4098         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4099                                                                       delta));
4100 }
4101
4102 int
4103 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4104 {
4105         struct rte_eth_dev *dev;
4106
4107         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4108         dev = &rte_eth_devices[port_id];
4109
4110         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4111         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4112                                                                 timestamp));
4113 }
4114
4115 int
4116 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4117 {
4118         struct rte_eth_dev *dev;
4119
4120         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4121         dev = &rte_eth_devices[port_id];
4122
4123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4124         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4125                                                                 timestamp));
4126 }
4127
4128 int
4129 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4130 {
4131         struct rte_eth_dev *dev;
4132
4133         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4134
4135         dev = &rte_eth_devices[port_id];
4136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4137         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4138 }
4139
4140 int
4141 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4142 {
4143         struct rte_eth_dev *dev;
4144
4145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4146
4147         dev = &rte_eth_devices[port_id];
4148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4149         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4150 }
4151
4152 int
4153 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4154 {
4155         struct rte_eth_dev *dev;
4156
4157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4158
4159         dev = &rte_eth_devices[port_id];
4160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4161         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4162 }
4163
4164 int
4165 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4166 {
4167         struct rte_eth_dev *dev;
4168
4169         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4170
4171         dev = &rte_eth_devices[port_id];
4172         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4173         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4174 }
4175
4176 int __rte_experimental
4177 rte_eth_dev_get_module_info(uint16_t port_id,
4178                             struct rte_eth_dev_module_info *modinfo)
4179 {
4180         struct rte_eth_dev *dev;
4181
4182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4183
4184         dev = &rte_eth_devices[port_id];
4185         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4186         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4187 }
4188
4189 int __rte_experimental
4190 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4191                               struct rte_dev_eeprom_info *info)
4192 {
4193         struct rte_eth_dev *dev;
4194
4195         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4196
4197         dev = &rte_eth_devices[port_id];
4198         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4199         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4200 }
4201
4202 int
4203 rte_eth_dev_get_dcb_info(uint16_t port_id,
4204                              struct rte_eth_dcb_info *dcb_info)
4205 {
4206         struct rte_eth_dev *dev;
4207
4208         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4209
4210         dev = &rte_eth_devices[port_id];
4211         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4212
4213         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4214         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4215 }
4216
4217 int
4218 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4219                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4220 {
4221         struct rte_eth_dev *dev;
4222
4223         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4224         if (l2_tunnel == NULL) {
4225                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4226                 return -EINVAL;
4227         }
4228
4229         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4230                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4231                 return -EINVAL;
4232         }
4233
4234         dev = &rte_eth_devices[port_id];
4235         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4236                                 -ENOTSUP);
4237         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4238                                                                 l2_tunnel));
4239 }
4240
4241 int
4242 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4243                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4244                                   uint32_t mask,
4245                                   uint8_t en)
4246 {
4247         struct rte_eth_dev *dev;
4248
4249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4250
4251         if (l2_tunnel == NULL) {
4252                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4253                 return -EINVAL;
4254         }
4255
4256         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4257                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4258                 return -EINVAL;
4259         }
4260
4261         if (mask == 0) {
4262                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4263                 return -EINVAL;
4264         }
4265
4266         dev = &rte_eth_devices[port_id];
4267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4268                                 -ENOTSUP);
4269         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4270                                                         l2_tunnel, mask, en));
4271 }
4272
4273 static void
4274 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4275                            const struct rte_eth_desc_lim *desc_lim)
4276 {
4277         if (desc_lim->nb_align != 0)
4278                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4279
4280         if (desc_lim->nb_max != 0)
4281                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4282
4283         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4284 }
4285
4286 int
4287 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4288                                  uint16_t *nb_rx_desc,
4289                                  uint16_t *nb_tx_desc)
4290 {
4291         struct rte_eth_dev *dev;
4292         struct rte_eth_dev_info dev_info;
4293
4294         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4295
4296         dev = &rte_eth_devices[port_id];
4297         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4298
4299         rte_eth_dev_info_get(port_id, &dev_info);
4300
4301         if (nb_rx_desc != NULL)
4302                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4303
4304         if (nb_tx_desc != NULL)
4305                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4306
4307         return 0;
4308 }
4309
4310 int
4311 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4312 {
4313         struct rte_eth_dev *dev;
4314
4315         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4316
4317         if (pool == NULL)
4318                 return -EINVAL;
4319
4320         dev = &rte_eth_devices[port_id];
4321
4322         if (*dev->dev_ops->pool_ops_supported == NULL)
4323                 return 1; /* all pools are supported */
4324
4325         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4326 }
4327
4328 /**
4329  * A set of values to describe the possible states of a switch domain.
4330  */
4331 enum rte_eth_switch_domain_state {
4332         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4333         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4334 };
4335
4336 /**
4337  * Array of switch domains available for allocation. Array is sized to
4338  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4339  * ethdev ports in a single process.
4340  */
4341 static struct rte_eth_dev_switch {
4342         enum rte_eth_switch_domain_state state;
4343 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4344
4345 int __rte_experimental
4346 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4347 {
4348         unsigned int i;
4349
4350         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4351
4352         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4353                 i < RTE_MAX_ETHPORTS; i++) {
4354                 if (rte_eth_switch_domains[i].state ==
4355                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4356                         rte_eth_switch_domains[i].state =
4357                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4358                         *domain_id = i;
4359                         return 0;
4360                 }
4361         }
4362
4363         return -ENOSPC;
4364 }
4365
4366 int __rte_experimental
4367 rte_eth_switch_domain_free(uint16_t domain_id)
4368 {
4369         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4370                 domain_id >= RTE_MAX_ETHPORTS)
4371                 return -EINVAL;
4372
4373         if (rte_eth_switch_domains[domain_id].state !=
4374                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4375                 return -EINVAL;
4376
4377         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4378
4379         return 0;
4380 }
4381
4382 static int
4383 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4384 {
4385         int state;
4386         struct rte_kvargs_pair *pair;
4387         char *letter;
4388
4389         arglist->str = strdup(str_in);
4390         if (arglist->str == NULL)
4391                 return -ENOMEM;
4392
4393         letter = arglist->str;
4394         state = 0;
4395         arglist->count = 0;
4396         pair = &arglist->pairs[0];
4397         while (1) {
4398                 switch (state) {
4399                 case 0: /* Initial */
4400                         if (*letter == '=')
4401                                 return -EINVAL;
4402                         else if (*letter == '\0')
4403                                 return 0;
4404
4405                         state = 1;
4406                         pair->key = letter;
4407                         /* fall-thru */
4408
4409                 case 1: /* Parsing key */
4410                         if (*letter == '=') {
4411                                 *letter = '\0';
4412                                 pair->value = letter + 1;
4413                                 state = 2;
4414                         } else if (*letter == ',' || *letter == '\0')
4415                                 return -EINVAL;
4416                         break;
4417
4418
4419                 case 2: /* Parsing value */
4420                         if (*letter == '[')
4421                                 state = 3;
4422                         else if (*letter == ',') {
4423                                 *letter = '\0';
4424                                 arglist->count++;
4425                                 pair = &arglist->pairs[arglist->count];
4426                                 state = 0;
4427                         } else if (*letter == '\0') {
4428                                 letter--;
4429                                 arglist->count++;
4430                                 pair = &arglist->pairs[arglist->count];
4431                                 state = 0;
4432                         }
4433                         break;
4434
4435                 case 3: /* Parsing list */
4436                         if (*letter == ']')
4437                                 state = 2;
4438                         else if (*letter == '\0')
4439                                 return -EINVAL;
4440                         break;
4441                 }
4442                 letter++;
4443         }
4444 }
4445
4446 int __rte_experimental
4447 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4448 {
4449         struct rte_kvargs args;
4450         struct rte_kvargs_pair *pair;
4451         unsigned int i;
4452         int result = 0;
4453
4454         memset(eth_da, 0, sizeof(*eth_da));
4455
4456         result = rte_eth_devargs_tokenise(&args, dargs);
4457         if (result < 0)
4458                 goto parse_cleanup;
4459
4460         for (i = 0; i < args.count; i++) {
4461                 pair = &args.pairs[i];
4462                 if (strcmp("representor", pair->key) == 0) {
4463                         result = rte_eth_devargs_parse_list(pair->value,
4464                                 rte_eth_devargs_parse_representor_ports,
4465                                 eth_da);
4466                         if (result < 0)
4467                                 goto parse_cleanup;
4468                 }
4469         }
4470
4471 parse_cleanup:
4472         if (args.str)
4473                 free(args.str);
4474
4475         return result;
4476 }
4477
4478 RTE_INIT(ethdev_init_log)
4479 {
4480         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4481         if (rte_eth_dev_logtype >= 0)
4482                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4483 }