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