lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 /**
 170  * The user application callback description.
 171  *
 172  * It contains callback address to be registered by user application,
 173  * the pointer to the parameters for callback, and the event type.
 174  */
 175 struct rte_eth_dev_callback {
 176         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 177         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 178         void *cb_arg;                           /**< Parameter for callback */
 179         void *ret_param;                        /**< Return parameter */
 180         enum rte_eth_event_type event;          /**< Interrupt event type */
 181         uint32_t active;                        /**< Callback is executing */
 182 };
 183
 184 enum {
 185         STAT_QMAP_TX = 0,
 186         STAT_QMAP_RX
 187 };
 188
 189 int
 190 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 191 {
 192         int ret;
 193         struct rte_devargs devargs = {.args = NULL};
 194         const char *bus_param_key;
 195         char *bus_str = NULL;
 196         char *cls_str = NULL;
 197         int str_size;
 198
 199         memset(iter, 0, sizeof(*iter));
 200
 201         /*
 202          * The devargs string may use various syntaxes:
 203          *   - 0000:08:00.0,representor=[1-3]
 204          *   - pci:0000:06:00.0,representor=[0,5]
 205          *   - class=eth,mac=00:11:22:33:44:55
 206          * A new syntax is in development (not yet supported):
 207          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 208          */
 209
 210         /*
 211          * Handle pure class filter (i.e. without any bus-level argument),
 212          * from future new syntax.
 213          * rte_devargs_parse() is not yet supporting the new syntax,
 214          * that's why this simple case is temporarily parsed here.
 215          */
 216 #define iter_anybus_str "class=eth,"
 217         if (strncmp(devargs_str, iter_anybus_str,
 218                         strlen(iter_anybus_str)) == 0) {
 219                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 220                 goto end;
 221         }
 222
 223         /* Split bus, device and parameters. */
 224         ret = rte_devargs_parse(&devargs, devargs_str);
 225         if (ret != 0)
 226                 goto error;
 227
 228         /*
 229          * Assume parameters of old syntax can match only at ethdev level.
 230          * Extra parameters will be ignored, thanks to "+" prefix.
 231          */
 232         str_size = strlen(devargs.args) + 2;
 233         cls_str = malloc(str_size);
 234         if (cls_str == NULL) {
 235                 ret = -ENOMEM;
 236                 goto error;
 237         }
 238         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 239         if (ret != str_size - 1) {
 240                 ret = -EINVAL;
 241                 goto error;
 242         }
 243         iter->cls_str = cls_str;
 244         free(devargs.args); /* allocated by rte_devargs_parse() */
 245         devargs.args = NULL;
 246
 247         iter->bus = devargs.bus;
 248         if (iter->bus->dev_iterate == NULL) {
 249                 ret = -ENOTSUP;
 250                 goto error;
 251         }
 252
 253         /* Convert bus args to new syntax for use with new API dev_iterate. */
 254         if (strcmp(iter->bus->name, "vdev") == 0) {
 255                 bus_param_key = "name";
 256         } else if (strcmp(iter->bus->name, "pci") == 0) {
 257                 bus_param_key = "addr";
 258         } else {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 263         bus_str = malloc(str_size);
 264         if (bus_str == NULL) {
 265                 ret = -ENOMEM;
 266                 goto error;
 267         }
 268         ret = snprintf(bus_str, str_size, "%s=%s",
 269                         bus_param_key, devargs.name);
 270         if (ret != str_size - 1) {
 271                 ret = -EINVAL;
 272                 goto error;
 273         }
 274         iter->bus_str = bus_str;
 275
 276 end:
 277         iter->cls = rte_class_find_by_name("eth");
 278         return 0;
 279
 280 error:
 281         if (ret == -ENOTSUP)
 282                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 283                                 iter->bus->name);
 284         free(devargs.args);
 285         free(bus_str);
 286         free(cls_str);
 287         return ret;
 288 }
 289
 290 uint16_t
 291 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 292 {
 293         if (iter->cls == NULL) /* invalid ethdev iterator */
 294                 return RTE_MAX_ETHPORTS;
 295
 296         do { /* loop to try all matching rte_device */
 297                 /* If not pure ethdev filter and */
 298                 if (iter->bus != NULL &&
 299                                 /* not in middle of rte_eth_dev iteration, */
 300                                 iter->class_device == NULL) {
 301                         /* get next rte_device to try. */
 302                         iter->device = iter->bus->dev_iterate(
 303                                         iter->device, iter->bus_str, iter);
 304                         if (iter->device == NULL)
 305                                 break; /* no more rte_device candidate */
 306                 }
 307                 /* A device is matching bus part, need to check ethdev part. */
 308                 iter->class_device = iter->cls->dev_iterate(
 309                                 iter->class_device, iter->cls_str, iter);
 310                 if (iter->class_device != NULL)
 311                         return eth_dev_to_id(iter->class_device); /* match */
 312         } while (iter->bus != NULL); /* need to try next rte_device */
 313
 314         /* No more ethdev port to iterate. */
 315         rte_eth_iterator_cleanup(iter);
 316         return RTE_MAX_ETHPORTS;
 317 }
 318
 319 void
 320 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 321 {
 322         if (iter->bus_str == NULL)
 323                 return; /* nothing to free in pure class filter */
 324         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 325         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 326         memset(iter, 0, sizeof(*iter));
 327 }
 328
 329 uint16_t
 330 rte_eth_find_next(uint16_t port_id)
 331 {
 332         while (port_id < RTE_MAX_ETHPORTS &&
 333                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 334                 port_id++;
 335
 336         if (port_id >= RTE_MAX_ETHPORTS)
 337                 return RTE_MAX_ETHPORTS;
 338
 339         return port_id;
 340 }
 341
 342 /*
 343  * Macro to iterate over all valid ports for internal usage.
 344  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 345  */
 346 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 347         for (port_id = rte_eth_find_next(0); \
 348              port_id < RTE_MAX_ETHPORTS; \
 349              port_id = rte_eth_find_next(port_id + 1))
 350
 351 uint16_t
 352 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 353 {
 354         port_id = rte_eth_find_next(port_id);
 355         while (port_id < RTE_MAX_ETHPORTS &&
 356                         rte_eth_devices[port_id].device != parent)
 357                 port_id = rte_eth_find_next(port_id + 1);
 358
 359         return port_id;
 360 }
 361
 362 uint16_t
 363 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 364 {
 365         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 366         return rte_eth_find_next_of(port_id,
 367                         rte_eth_devices[ref_port_id].device);
 368 }
 369
 370 static void
 371 rte_eth_dev_shared_data_prepare(void)
 372 {
 373         const unsigned flags = 0;
 374         const struct rte_memzone *mz;
 375
 376         rte_spinlock_lock(&rte_eth_shared_data_lock);
 377
 378         if (rte_eth_dev_shared_data == NULL) {
 379                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 380                         /* Allocate port data and ownership shared memory. */
 381                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 382                                         sizeof(*rte_eth_dev_shared_data),
 383                                         rte_socket_id(), flags);
 384                 } else
 385                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 386                 if (mz == NULL)
 387                         rte_panic("Cannot allocate ethdev shared data\n");
 388
 389                 rte_eth_dev_shared_data = mz->addr;
 390                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 391                         rte_eth_dev_shared_data->next_owner_id =
 392                                         RTE_ETH_DEV_NO_OWNER + 1;
 393                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 394                         memset(rte_eth_dev_shared_data->data, 0,
 395                                sizeof(rte_eth_dev_shared_data->data));
 396                 }
 397         }
 398
 399         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 400 }
 401
 402 static bool
 403 is_allocated(const struct rte_eth_dev *ethdev)
 404 {
 405         return ethdev->data->name[0] != '\0';
 406 }
 407
 408 static struct rte_eth_dev *
 409 _rte_eth_dev_allocated(const char *name)
 410 {
 411         unsigned i;
 412
 413         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 414                 if (rte_eth_devices[i].data != NULL &&
 415                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 416                         return &rte_eth_devices[i];
 417         }
 418         return NULL;
 419 }
 420
 421 struct rte_eth_dev *
 422 rte_eth_dev_allocated(const char *name)
 423 {
 424         struct rte_eth_dev *ethdev;
 425
 426         rte_eth_dev_shared_data_prepare();
 427
 428         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 429
 430         ethdev = _rte_eth_dev_allocated(name);
 431
 432         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 433
 434         return ethdev;
 435 }
 436
 437 static uint16_t
 438 rte_eth_dev_find_free_port(void)
 439 {
 440         unsigned i;
 441
 442         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 443                 /* Using shared name field to find a free port. */
 444                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 445                         RTE_ASSERT(rte_eth_devices[i].state ==
 446                                    RTE_ETH_DEV_UNUSED);
 447                         return i;
 448                 }
 449         }
 450         return RTE_MAX_ETHPORTS;
 451 }
 452
 453 static struct rte_eth_dev *
 454 eth_dev_get(uint16_t port_id)
 455 {
 456         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 457
 458         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 459
 460         return eth_dev;
 461 }
 462
 463 struct rte_eth_dev *
 464 rte_eth_dev_allocate(const char *name)
 465 {
 466         uint16_t port_id;
 467         struct rte_eth_dev *eth_dev = NULL;
 468         size_t name_len;
 469
 470         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 471         if (name_len == 0) {
 472                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 473                 return NULL;
 474         }
 475
 476         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 477                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 478                 return NULL;
 479         }
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         /* Synchronize port creation between primary and secondary threads. */
 484         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 485
 486         if (_rte_eth_dev_allocated(name) != NULL) {
 487                 RTE_ETHDEV_LOG(ERR,
 488                         "Ethernet device with name %s already allocated\n",
 489                         name);
 490                 goto unlock;
 491         }
 492
 493         port_id = rte_eth_dev_find_free_port();
 494         if (port_id == RTE_MAX_ETHPORTS) {
 495                 RTE_ETHDEV_LOG(ERR,
 496                         "Reached maximum number of Ethernet ports\n");
 497                 goto unlock;
 498         }
 499
 500         eth_dev = eth_dev_get(port_id);
 501         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 502         eth_dev->data->port_id = port_id;
 503         eth_dev->data->mtu = RTE_ETHER_MTU;
 504
 505 unlock:
 506         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 507
 508         return eth_dev;
 509 }
 510
 511 /*
 512  * Attach to a port already registered by the primary process, which
 513  * makes sure that the same device would have the same port id both
 514  * in the primary and secondary process.
 515  */
 516 struct rte_eth_dev *
 517 rte_eth_dev_attach_secondary(const char *name)
 518 {
 519         uint16_t i;
 520         struct rte_eth_dev *eth_dev = NULL;
 521
 522         rte_eth_dev_shared_data_prepare();
 523
 524         /* Synchronize port attachment to primary port creation and release. */
 525         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 526
 527         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 528                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 529                         break;
 530         }
 531         if (i == RTE_MAX_ETHPORTS) {
 532                 RTE_ETHDEV_LOG(ERR,
 533                         "Device %s is not driven by the primary process\n",
 534                         name);
 535         } else {
 536                 eth_dev = eth_dev_get(i);
 537                 RTE_ASSERT(eth_dev->data->port_id == i);
 538         }
 539
 540         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 541         return eth_dev;
 542 }
 543
 544 int
 545 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 546 {
 547         if (eth_dev == NULL)
 548                 return -EINVAL;
 549
 550         rte_eth_dev_shared_data_prepare();
 551
 552         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 553                 _rte_eth_dev_callback_process(eth_dev,
 554                                 RTE_ETH_EVENT_DESTROY, NULL);
 555
 556         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 557
 558         eth_dev->state = RTE_ETH_DEV_UNUSED;
 559
 560         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 561                 rte_free(eth_dev->data->rx_queues);
 562                 rte_free(eth_dev->data->tx_queues);
 563                 rte_free(eth_dev->data->mac_addrs);
 564                 rte_free(eth_dev->data->hash_mac_addrs);
 565                 rte_free(eth_dev->data->dev_private);
 566                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 567         }
 568
 569         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 570
 571         return 0;
 572 }
 573
 574 int
 575 rte_eth_dev_is_valid_port(uint16_t port_id)
 576 {
 577         if (port_id >= RTE_MAX_ETHPORTS ||
 578             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 579                 return 0;
 580         else
 581                 return 1;
 582 }
 583
 584 static int
 585 rte_eth_is_valid_owner_id(uint64_t owner_id)
 586 {
 587         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 588             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 589                 return 0;
 590         return 1;
 591 }
 592
 593 uint64_t
 594 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 595 {
 596         port_id = rte_eth_find_next(port_id);
 597         while (port_id < RTE_MAX_ETHPORTS &&
 598                         rte_eth_devices[port_id].data->owner.id != owner_id)
 599                 port_id = rte_eth_find_next(port_id + 1);
 600
 601         return port_id;
 602 }
 603
 604 int
 605 rte_eth_dev_owner_new(uint64_t *owner_id)
 606 {
 607         rte_eth_dev_shared_data_prepare();
 608
 609         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 610
 611         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 612
 613         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 614         return 0;
 615 }
 616
 617 static int
 618 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 619                        const struct rte_eth_dev_owner *new_owner)
 620 {
 621         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 622         struct rte_eth_dev_owner *port_owner;
 623
 624         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 625                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 626                         port_id);
 627                 return -ENODEV;
 628         }
 629
 630         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 631             !rte_eth_is_valid_owner_id(old_owner_id)) {
 632                 RTE_ETHDEV_LOG(ERR,
 633                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 634                        old_owner_id, new_owner->id);
 635                 return -EINVAL;
 636         }
 637
 638         port_owner = &rte_eth_devices[port_id].data->owner;
 639         if (port_owner->id != old_owner_id) {
 640                 RTE_ETHDEV_LOG(ERR,
 641                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 642                         port_id, port_owner->name, port_owner->id);
 643                 return -EPERM;
 644         }
 645
 646         /* can not truncate (same structure) */
 647         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 648
 649         port_owner->id = new_owner->id;
 650
 651         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 652                 port_id, new_owner->name, new_owner->id);
 653
 654         return 0;
 655 }
 656
 657 int
 658 rte_eth_dev_owner_set(const uint16_t port_id,
 659                       const struct rte_eth_dev_owner *owner)
 660 {
 661         int ret;
 662
 663         rte_eth_dev_shared_data_prepare();
 664
 665         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 666
 667         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 668
 669         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 670         return ret;
 671 }
 672
 673 int
 674 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 675 {
 676         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 677                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 678         int ret;
 679
 680         rte_eth_dev_shared_data_prepare();
 681
 682         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 683
 684         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 685
 686         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 687         return ret;
 688 }
 689
 690 void
 691 rte_eth_dev_owner_delete(const uint64_t owner_id)
 692 {
 693         uint16_t port_id;
 694
 695         rte_eth_dev_shared_data_prepare();
 696
 697         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 698
 699         if (rte_eth_is_valid_owner_id(owner_id)) {
 700                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 701                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 702                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 703                                        sizeof(struct rte_eth_dev_owner));
 704                 RTE_ETHDEV_LOG(NOTICE,
 705                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 706                         owner_id);
 707         } else {
 708                 RTE_ETHDEV_LOG(ERR,
 709                                "Invalid owner id=%016"PRIx64"\n",
 710                                owner_id);
 711         }
 712
 713         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 714 }
 715
 716 int
 717 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 718 {
 719         int ret = 0;
 720         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 721
 722         rte_eth_dev_shared_data_prepare();
 723
 724         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 725
 726         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 727                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 728                         port_id);
 729                 ret = -ENODEV;
 730         } else {
 731                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 732         }
 733
 734         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 735         return ret;
 736 }
 737
 738 int
 739 rte_eth_dev_socket_id(uint16_t port_id)
 740 {
 741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 742         return rte_eth_devices[port_id].data->numa_node;
 743 }
 744
 745 void *
 746 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 747 {
 748         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 749         return rte_eth_devices[port_id].security_ctx;
 750 }
 751
 752 uint16_t
 753 rte_eth_dev_count(void)
 754 {
 755         return rte_eth_dev_count_avail();
 756 }
 757
 758 uint16_t
 759 rte_eth_dev_count_avail(void)
 760 {
 761         uint16_t p;
 762         uint16_t count;
 763
 764         count = 0;
 765
 766         RTE_ETH_FOREACH_DEV(p)
 767                 count++;
 768
 769         return count;
 770 }
 771
 772 uint16_t
 773 rte_eth_dev_count_total(void)
 774 {
 775         uint16_t port, count = 0;
 776
 777         RTE_ETH_FOREACH_VALID_DEV(port)
 778                 count++;
 779
 780         return count;
 781 }
 782
 783 int
 784 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 785 {
 786         char *tmp;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         if (name == NULL) {
 791                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 792                 return -EINVAL;
 793         }
 794
 795         /* shouldn't check 'rte_eth_devices[i].data',
 796          * because it might be overwritten by VDEV PMD */
 797         tmp = rte_eth_dev_shared_data->data[port_id].name;
 798         strcpy(name, tmp);
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 804 {
 805         uint32_t pid;
 806
 807         if (name == NULL) {
 808                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 809                 return -EINVAL;
 810         }
 811
 812         RTE_ETH_FOREACH_VALID_DEV(pid)
 813                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 814                         *port_id = pid;
 815                         return 0;
 816                 }
 817
 818         return -ENODEV;
 819 }
 820
 821 static int
 822 eth_err(uint16_t port_id, int ret)
 823 {
 824         if (ret == 0)
 825                 return 0;
 826         if (rte_eth_dev_is_removed(port_id))
 827                 return -EIO;
 828         return ret;
 829 }
 830
 831 static int
 832 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 833 {
 834         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 835         void **rxq;
 836         unsigned i;
 837
 838         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 839                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 840                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 841                                 RTE_CACHE_LINE_SIZE);
 842                 if (dev->data->rx_queues == NULL) {
 843                         dev->data->nb_rx_queues = 0;
 844                         return -(ENOMEM);
 845                 }
 846         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 847                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 848
 849                 rxq = dev->data->rx_queues;
 850
 851                 for (i = nb_queues; i < old_nb_queues; i++)
 852                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 853                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 854                                 RTE_CACHE_LINE_SIZE);
 855                 if (rxq == NULL)
 856                         return -(ENOMEM);
 857                 if (nb_queues > old_nb_queues) {
 858                         uint16_t new_qs = nb_queues - old_nb_queues;
 859
 860                         memset(rxq + old_nb_queues, 0,
 861                                 sizeof(rxq[0]) * new_qs);
 862                 }
 863
 864                 dev->data->rx_queues = rxq;
 865
 866         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 867                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 868
 869                 rxq = dev->data->rx_queues;
 870
 871                 for (i = nb_queues; i < old_nb_queues; i++)
 872                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 873
 874                 rte_free(dev->data->rx_queues);
 875                 dev->data->rx_queues = NULL;
 876         }
 877         dev->data->nb_rx_queues = nb_queues;
 878         return 0;
 879 }
 880
 881 int
 882 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 883 {
 884         struct rte_eth_dev *dev;
 885
 886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 887
 888         dev = &rte_eth_devices[port_id];
 889         if (!dev->data->dev_started) {
 890                 RTE_ETHDEV_LOG(ERR,
 891                         "Port %u must be started before start any queue\n",
 892                         port_id);
 893                 return -EINVAL;
 894         }
 895
 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_start, -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 started\n",
 906                         rx_queue_id, port_id);
 907                 return 0;
 908         }
 909
 910         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 911                                                              rx_queue_id));
 912
 913 }
 914
 915 int
 916 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 917 {
 918         struct rte_eth_dev *dev;
 919
 920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 921
 922         dev = &rte_eth_devices[port_id];
 923         if (rx_queue_id >= dev->data->nb_rx_queues) {
 924                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 925                 return -EINVAL;
 926         }
 927
 928         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 929
 930         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 931                 RTE_ETHDEV_LOG(INFO,
 932                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 933                         rx_queue_id, port_id);
 934                 return 0;
 935         }
 936
 937         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 938
 939 }
 940
 941 int
 942 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 943 {
 944         struct rte_eth_dev *dev;
 945
 946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 947
 948         dev = &rte_eth_devices[port_id];
 949         if (!dev->data->dev_started) {
 950                 RTE_ETHDEV_LOG(ERR,
 951                         "Port %u must be started before start any queue\n",
 952                         port_id);
 953                 return -EINVAL;
 954         }
 955
 956         if (tx_queue_id >= dev->data->nb_tx_queues) {
 957                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 958                 return -EINVAL;
 959         }
 960
 961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 962
 963         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 964                 RTE_ETHDEV_LOG(INFO,
 965                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 966                         tx_queue_id, port_id);
 967                 return 0;
 968         }
 969
 970         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 971 }
 972
 973 int
 974 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 975 {
 976         struct rte_eth_dev *dev;
 977
 978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 979
 980         dev = &rte_eth_devices[port_id];
 981         if (tx_queue_id >= dev->data->nb_tx_queues) {
 982                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 983                 return -EINVAL;
 984         }
 985
 986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 987
 988         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 989                 RTE_ETHDEV_LOG(INFO,
 990                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 991                         tx_queue_id, port_id);
 992                 return 0;
 993         }
 994
 995         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 996
 997 }
 998
 999 static int
1000 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1001 {
1002         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1003         void **txq;
1004         unsigned i;
1005
1006         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1007                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1008                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1009                                                    RTE_CACHE_LINE_SIZE);
1010                 if (dev->data->tx_queues == NULL) {
1011                         dev->data->nb_tx_queues = 0;
1012                         return -(ENOMEM);
1013                 }
1014         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1015                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1016
1017                 txq = dev->data->tx_queues;
1018
1019                 for (i = nb_queues; i < old_nb_queues; i++)
1020                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1021                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1022                                   RTE_CACHE_LINE_SIZE);
1023                 if (txq == NULL)
1024                         return -ENOMEM;
1025                 if (nb_queues > old_nb_queues) {
1026                         uint16_t new_qs = nb_queues - old_nb_queues;
1027
1028                         memset(txq + old_nb_queues, 0,
1029                                sizeof(txq[0]) * new_qs);
1030                 }
1031
1032                 dev->data->tx_queues = txq;
1033
1034         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1035                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1036
1037                 txq = dev->data->tx_queues;
1038
1039                 for (i = nb_queues; i < old_nb_queues; i++)
1040                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1041
1042                 rte_free(dev->data->tx_queues);
1043                 dev->data->tx_queues = NULL;
1044         }
1045         dev->data->nb_tx_queues = nb_queues;
1046         return 0;
1047 }
1048
1049 uint32_t
1050 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1051 {
1052         switch (speed) {
1053         case ETH_SPEED_NUM_10M:
1054                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1055         case ETH_SPEED_NUM_100M:
1056                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1057         case ETH_SPEED_NUM_1G:
1058                 return ETH_LINK_SPEED_1G;
1059         case ETH_SPEED_NUM_2_5G:
1060                 return ETH_LINK_SPEED_2_5G;
1061         case ETH_SPEED_NUM_5G:
1062                 return ETH_LINK_SPEED_5G;
1063         case ETH_SPEED_NUM_10G:
1064                 return ETH_LINK_SPEED_10G;
1065         case ETH_SPEED_NUM_20G:
1066                 return ETH_LINK_SPEED_20G;
1067         case ETH_SPEED_NUM_25G:
1068                 return ETH_LINK_SPEED_25G;
1069         case ETH_SPEED_NUM_40G:
1070                 return ETH_LINK_SPEED_40G;
1071         case ETH_SPEED_NUM_50G:
1072                 return ETH_LINK_SPEED_50G;
1073         case ETH_SPEED_NUM_56G:
1074                 return ETH_LINK_SPEED_56G;
1075         case ETH_SPEED_NUM_100G:
1076                 return ETH_LINK_SPEED_100G;
1077         default:
1078                 return 0;
1079         }
1080 }
1081
1082 const char *
1083 rte_eth_dev_rx_offload_name(uint64_t offload)
1084 {
1085         const char *name = "UNKNOWN";
1086         unsigned int i;
1087
1088         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1089                 if (offload == rte_rx_offload_names[i].offload) {
1090                         name = rte_rx_offload_names[i].name;
1091                         break;
1092                 }
1093         }
1094
1095         return name;
1096 }
1097
1098 const char *
1099 rte_eth_dev_tx_offload_name(uint64_t offload)
1100 {
1101         const char *name = "UNKNOWN";
1102         unsigned int i;
1103
1104         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1105                 if (offload == rte_tx_offload_names[i].offload) {
1106                         name = rte_tx_offload_names[i].name;
1107                         break;
1108                 }
1109         }
1110
1111         return name;
1112 }
1113
1114 int
1115 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1116                       const struct rte_eth_conf *dev_conf)
1117 {
1118         struct rte_eth_dev *dev;
1119         struct rte_eth_dev_info dev_info;
1120         struct rte_eth_conf orig_conf;
1121         int diag;
1122         int ret;
1123
1124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1125
1126         dev = &rte_eth_devices[port_id];
1127
1128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1129
1130         if (dev->data->dev_started) {
1131                 RTE_ETHDEV_LOG(ERR,
1132                         "Port %u must be stopped to allow configuration\n",
1133                         port_id);
1134                 return -EBUSY;
1135         }
1136
1137          /* Store original config, as rollback required on failure */
1138         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1139
1140         /*
1141          * Copy the dev_conf parameter into the dev structure.
1142          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1143          */
1144         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1145
1146         ret = rte_eth_dev_info_get(port_id, &dev_info);
1147         if (ret != 0)
1148                 goto rollback;
1149
1150         /* If number of queues specified by application for both Rx and Tx is
1151          * zero, use driver preferred values. This cannot be done individually
1152          * as it is valid for either Tx or Rx (but not both) to be zero.
1153          * If driver does not provide any preferred valued, fall back on
1154          * EAL defaults.
1155          */
1156         if (nb_rx_q == 0 && nb_tx_q == 0) {
1157                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1158                 if (nb_rx_q == 0)
1159                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1160                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1161                 if (nb_tx_q == 0)
1162                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1163         }
1164
1165         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1166                 RTE_ETHDEV_LOG(ERR,
1167                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1168                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1169                 ret = -EINVAL;
1170                 goto rollback;
1171         }
1172
1173         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1174                 RTE_ETHDEV_LOG(ERR,
1175                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1176                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1177                 ret = -EINVAL;
1178                 goto rollback;
1179         }
1180
1181         /*
1182          * Check that the numbers of RX and TX queues are not greater
1183          * than the maximum number of RX and TX queues supported by the
1184          * configured device.
1185          */
1186         if (nb_rx_q > dev_info.max_rx_queues) {
1187                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1188                         port_id, nb_rx_q, dev_info.max_rx_queues);
1189                 ret = -EINVAL;
1190                 goto rollback;
1191         }
1192
1193         if (nb_tx_q > dev_info.max_tx_queues) {
1194                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1195                         port_id, nb_tx_q, dev_info.max_tx_queues);
1196                 ret = -EINVAL;
1197                 goto rollback;
1198         }
1199
1200         /* Check that the device supports requested interrupts */
1201         if ((dev_conf->intr_conf.lsc == 1) &&
1202                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1203                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1204                         dev->device->driver->name);
1205                 ret = -EINVAL;
1206                 goto rollback;
1207         }
1208         if ((dev_conf->intr_conf.rmv == 1) &&
1209                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1210                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1211                         dev->device->driver->name);
1212                 ret = -EINVAL;
1213                 goto rollback;
1214         }
1215
1216         /*
1217          * If jumbo frames are enabled, check that the maximum RX packet
1218          * length is supported by the configured device.
1219          */
1220         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1221                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1222                         RTE_ETHDEV_LOG(ERR,
1223                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1224                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1225                                 dev_info.max_rx_pktlen);
1226                         ret = -EINVAL;
1227                         goto rollback;
1228                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1229                         RTE_ETHDEV_LOG(ERR,
1230                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1231                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1232                                 (unsigned int)RTE_ETHER_MIN_LEN);
1233                         ret = -EINVAL;
1234                         goto rollback;
1235                 }
1236         } else {
1237                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1238                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1239                         /* Use default value */
1240                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1241                                                         RTE_ETHER_MAX_LEN;
1242         }
1243
1244         /* Any requested offloading must be within its device capabilities */
1245         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1246              dev_conf->rxmode.offloads) {
1247                 RTE_ETHDEV_LOG(ERR,
1248                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1249                         "capabilities 0x%"PRIx64" in %s()\n",
1250                         port_id, dev_conf->rxmode.offloads,
1251                         dev_info.rx_offload_capa,
1252                         __func__);
1253                 ret = -EINVAL;
1254                 goto rollback;
1255         }
1256         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1257              dev_conf->txmode.offloads) {
1258                 RTE_ETHDEV_LOG(ERR,
1259                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1260                         "capabilities 0x%"PRIx64" in %s()\n",
1261                         port_id, dev_conf->txmode.offloads,
1262                         dev_info.tx_offload_capa,
1263                         __func__);
1264                 ret = -EINVAL;
1265                 goto rollback;
1266         }
1267
1268         /* Check that device supports requested rss hash functions. */
1269         if ((dev_info.flow_type_rss_offloads |
1270              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1271             dev_info.flow_type_rss_offloads) {
1272                 RTE_ETHDEV_LOG(ERR,
1273                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1274                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1275                         dev_info.flow_type_rss_offloads);
1276                 ret = -EINVAL;
1277                 goto rollback;
1278         }
1279
1280         /*
1281          * Setup new number of RX/TX queues and reconfigure device.
1282          */
1283         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1284         if (diag != 0) {
1285                 RTE_ETHDEV_LOG(ERR,
1286                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1287                         port_id, diag);
1288                 ret = diag;
1289                 goto rollback;
1290         }
1291
1292         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1293         if (diag != 0) {
1294                 RTE_ETHDEV_LOG(ERR,
1295                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1296                         port_id, diag);
1297                 rte_eth_dev_rx_queue_config(dev, 0);
1298                 ret = diag;
1299                 goto rollback;
1300         }
1301
1302         diag = (*dev->dev_ops->dev_configure)(dev);
1303         if (diag != 0) {
1304                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1305                         port_id, diag);
1306                 rte_eth_dev_rx_queue_config(dev, 0);
1307                 rte_eth_dev_tx_queue_config(dev, 0);
1308                 ret = eth_err(port_id, diag);
1309                 goto rollback;
1310         }
1311
1312         /* Initialize Rx profiling if enabled at compilation time. */
1313         diag = __rte_eth_dev_profile_init(port_id, dev);
1314         if (diag != 0) {
1315                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1316                         port_id, diag);
1317                 rte_eth_dev_rx_queue_config(dev, 0);
1318                 rte_eth_dev_tx_queue_config(dev, 0);
1319                 ret = eth_err(port_id, diag);
1320                 goto rollback;
1321         }
1322
1323         return 0;
1324
1325 rollback:
1326         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1327
1328         return ret;
1329 }
1330
1331 void
1332 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1333 {
1334         if (dev->data->dev_started) {
1335                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1336                         dev->data->port_id);
1337                 return;
1338         }
1339
1340         rte_eth_dev_rx_queue_config(dev, 0);
1341         rte_eth_dev_tx_queue_config(dev, 0);
1342
1343         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1344 }
1345
1346 static void
1347 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1348                         struct rte_eth_dev_info *dev_info)
1349 {
1350         struct rte_ether_addr *addr;
1351         uint16_t i;
1352         uint32_t pool = 0;
1353         uint64_t pool_mask;
1354
1355         /* replay MAC address configuration including default MAC */
1356         addr = &dev->data->mac_addrs[0];
1357         if (*dev->dev_ops->mac_addr_set != NULL)
1358                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1359         else if (*dev->dev_ops->mac_addr_add != NULL)
1360                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1361
1362         if (*dev->dev_ops->mac_addr_add != NULL) {
1363                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1364                         addr = &dev->data->mac_addrs[i];
1365
1366                         /* skip zero address */
1367                         if (rte_is_zero_ether_addr(addr))
1368                                 continue;
1369
1370                         pool = 0;
1371                         pool_mask = dev->data->mac_pool_sel[i];
1372
1373                         do {
1374                                 if (pool_mask & 1ULL)
1375                                         (*dev->dev_ops->mac_addr_add)(dev,
1376                                                 addr, i, pool);
1377                                 pool_mask >>= 1;
1378                                 pool++;
1379                         } while (pool_mask);
1380                 }
1381         }
1382 }
1383
1384 static int
1385 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1386                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1387 {
1388         int ret;
1389
1390         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1391                 rte_eth_dev_mac_restore(dev, dev_info);
1392
1393         /* replay promiscuous configuration */
1394         /*
1395          * use callbacks directly since we don't need port_id check and
1396          * would like to bypass the same value set
1397          */
1398         if (rte_eth_promiscuous_get(port_id) == 1 &&
1399             *dev->dev_ops->promiscuous_enable != NULL) {
1400                 ret = eth_err(port_id,
1401                               (*dev->dev_ops->promiscuous_enable)(dev));
1402                 if (ret != 0 && ret != -ENOTSUP) {
1403                         RTE_ETHDEV_LOG(ERR,
1404                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1405                                 port_id, rte_strerror(-ret));
1406                         return ret;
1407                 }
1408         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1409                    *dev->dev_ops->promiscuous_disable != NULL) {
1410                 ret = eth_err(port_id,
1411                               (*dev->dev_ops->promiscuous_disable)(dev));
1412                 if (ret != 0 && ret != -ENOTSUP) {
1413                         RTE_ETHDEV_LOG(ERR,
1414                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1415                                 port_id, rte_strerror(-ret));
1416                         return ret;
1417                 }
1418         }
1419
1420         /* replay all multicast configuration */
1421         if (rte_eth_allmulticast_get(port_id) == 1)
1422                 rte_eth_allmulticast_enable(port_id);
1423         else if (rte_eth_allmulticast_get(port_id) == 0)
1424                 rte_eth_allmulticast_disable(port_id);
1425
1426         return 0;
1427 }
1428
1429 int
1430 rte_eth_dev_start(uint16_t port_id)
1431 {
1432         struct rte_eth_dev *dev;
1433         struct rte_eth_dev_info dev_info;
1434         int diag;
1435         int ret;
1436
1437         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1438
1439         dev = &rte_eth_devices[port_id];
1440
1441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1442
1443         if (dev->data->dev_started != 0) {
1444                 RTE_ETHDEV_LOG(INFO,
1445                         "Device with port_id=%"PRIu16" already started\n",
1446                         port_id);
1447                 return 0;
1448         }
1449
1450         ret = rte_eth_dev_info_get(port_id, &dev_info);
1451         if (ret != 0)
1452                 return ret;
1453
1454         /* Lets restore MAC now if device does not support live change */
1455         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1456                 rte_eth_dev_mac_restore(dev, &dev_info);
1457
1458         diag = (*dev->dev_ops->dev_start)(dev);
1459         if (diag == 0)
1460                 dev->data->dev_started = 1;
1461         else
1462                 return eth_err(port_id, diag);
1463
1464         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1465         if (ret != 0) {
1466                 RTE_ETHDEV_LOG(ERR,
1467                         "Error during restoring configuration for device (port %u): %s\n",
1468                         port_id, rte_strerror(-ret));
1469                 rte_eth_dev_stop(port_id);
1470                 return ret;
1471         }
1472
1473         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1474                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1475                 (*dev->dev_ops->link_update)(dev, 0);
1476         }
1477         return 0;
1478 }
1479
1480 void
1481 rte_eth_dev_stop(uint16_t port_id)
1482 {
1483         struct rte_eth_dev *dev;
1484
1485         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1486         dev = &rte_eth_devices[port_id];
1487
1488         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1489
1490         if (dev->data->dev_started == 0) {
1491                 RTE_ETHDEV_LOG(INFO,
1492                         "Device with port_id=%"PRIu16" already stopped\n",
1493                         port_id);
1494                 return;
1495         }
1496
1497         dev->data->dev_started = 0;
1498         (*dev->dev_ops->dev_stop)(dev);
1499 }
1500
1501 int
1502 rte_eth_dev_set_link_up(uint16_t port_id)
1503 {
1504         struct rte_eth_dev *dev;
1505
1506         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1507
1508         dev = &rte_eth_devices[port_id];
1509
1510         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1511         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1512 }
1513
1514 int
1515 rte_eth_dev_set_link_down(uint16_t port_id)
1516 {
1517         struct rte_eth_dev *dev;
1518
1519         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1520
1521         dev = &rte_eth_devices[port_id];
1522
1523         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1524         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1525 }
1526
1527 void
1528 rte_eth_dev_close(uint16_t port_id)
1529 {
1530         struct rte_eth_dev *dev;
1531
1532         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1533         dev = &rte_eth_devices[port_id];
1534
1535         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1536         dev->data->dev_started = 0;
1537         (*dev->dev_ops->dev_close)(dev);
1538
1539         /* check behaviour flag - temporary for PMD migration */
1540         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1541                 /* new behaviour: send event + reset state + free all data */
1542                 rte_eth_dev_release_port(dev);
1543                 return;
1544         }
1545         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1546                         "The driver %s should migrate to the new behaviour.\n",
1547                         dev->device->driver->name);
1548         /* old behaviour: only free queue arrays */
1549         dev->data->nb_rx_queues = 0;
1550         rte_free(dev->data->rx_queues);
1551         dev->data->rx_queues = NULL;
1552         dev->data->nb_tx_queues = 0;
1553         rte_free(dev->data->tx_queues);
1554         dev->data->tx_queues = NULL;
1555 }
1556
1557 int
1558 rte_eth_dev_reset(uint16_t port_id)
1559 {
1560         struct rte_eth_dev *dev;
1561         int ret;
1562
1563         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1564         dev = &rte_eth_devices[port_id];
1565
1566         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1567
1568         rte_eth_dev_stop(port_id);
1569         ret = dev->dev_ops->dev_reset(dev);
1570
1571         return eth_err(port_id, ret);
1572 }
1573
1574 int
1575 rte_eth_dev_is_removed(uint16_t port_id)
1576 {
1577         struct rte_eth_dev *dev;
1578         int ret;
1579
1580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1581
1582         dev = &rte_eth_devices[port_id];
1583
1584         if (dev->state == RTE_ETH_DEV_REMOVED)
1585                 return 1;
1586
1587         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1588
1589         ret = dev->dev_ops->is_removed(dev);
1590         if (ret != 0)
1591                 /* Device is physically removed. */
1592                 dev->state = RTE_ETH_DEV_REMOVED;
1593
1594         return ret;
1595 }
1596
1597 int
1598 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1599                        uint16_t nb_rx_desc, unsigned int socket_id,
1600                        const struct rte_eth_rxconf *rx_conf,
1601                        struct rte_mempool *mp)
1602 {
1603         int ret;
1604         uint32_t mbp_buf_size;
1605         struct rte_eth_dev *dev;
1606         struct rte_eth_dev_info dev_info;
1607         struct rte_eth_rxconf local_conf;
1608         void **rxq;
1609
1610         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1611
1612         dev = &rte_eth_devices[port_id];
1613         if (rx_queue_id >= dev->data->nb_rx_queues) {
1614                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1615                 return -EINVAL;
1616         }
1617
1618         if (mp == NULL) {
1619                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1620                 return -EINVAL;
1621         }
1622
1623         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1624
1625         /*
1626          * Check the size of the mbuf data buffer.
1627          * This value must be provided in the private data of the memory pool.
1628          * First check that the memory pool has a valid private data.
1629          */
1630         ret = rte_eth_dev_info_get(port_id, &dev_info);
1631         if (ret != 0)
1632                 return ret;
1633
1634         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1635                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1636                         mp->name, (int)mp->private_data_size,
1637                         (int)sizeof(struct rte_pktmbuf_pool_private));
1638                 return -ENOSPC;
1639         }
1640         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1641
1642         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1643                 RTE_ETHDEV_LOG(ERR,
1644                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1645                         mp->name, (int)mbp_buf_size,
1646                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1647                         (int)RTE_PKTMBUF_HEADROOM,
1648                         (int)dev_info.min_rx_bufsize);
1649                 return -EINVAL;
1650         }
1651
1652         /* Use default specified by driver, if nb_rx_desc is zero */
1653         if (nb_rx_desc == 0) {
1654                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1655                 /* If driver default is also zero, fall back on EAL default */
1656                 if (nb_rx_desc == 0)
1657                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1658         }
1659
1660         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1661                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1662                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1663
1664                 RTE_ETHDEV_LOG(ERR,
1665                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1666                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1667                         dev_info.rx_desc_lim.nb_min,
1668                         dev_info.rx_desc_lim.nb_align);
1669                 return -EINVAL;
1670         }
1671
1672         if (dev->data->dev_started &&
1673                 !(dev_info.dev_capa &
1674                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1675                 return -EBUSY;
1676
1677         if (dev->data->dev_started &&
1678                 (dev->data->rx_queue_state[rx_queue_id] !=
1679                         RTE_ETH_QUEUE_STATE_STOPPED))
1680                 return -EBUSY;
1681
1682         rxq = dev->data->rx_queues;
1683         if (rxq[rx_queue_id]) {
1684                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1685                                         -ENOTSUP);
1686                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1687                 rxq[rx_queue_id] = NULL;
1688         }
1689
1690         if (rx_conf == NULL)
1691                 rx_conf = &dev_info.default_rxconf;
1692
1693         local_conf = *rx_conf;
1694
1695         /*
1696          * If an offloading has already been enabled in
1697          * rte_eth_dev_configure(), it has been enabled on all queues,
1698          * so there is no need to enable it in this queue again.
1699          * The local_conf.offloads input to underlying PMD only carries
1700          * those offloadings which are only enabled on this queue and
1701          * not enabled on all queues.
1702          */
1703         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1704
1705         /*
1706          * New added offloadings for this queue are those not enabled in
1707          * rte_eth_dev_configure() and they must be per-queue type.
1708          * A pure per-port offloading can't be enabled on a queue while
1709          * disabled on another queue. A pure per-port offloading can't
1710          * be enabled for any queue as new added one if it hasn't been
1711          * enabled in rte_eth_dev_configure().
1712          */
1713         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1714              local_conf.offloads) {
1715                 RTE_ETHDEV_LOG(ERR,
1716                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1717                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1718                         port_id, rx_queue_id, local_conf.offloads,
1719                         dev_info.rx_queue_offload_capa,
1720                         __func__);
1721                 return -EINVAL;
1722         }
1723
1724         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1725                                               socket_id, &local_conf, mp);
1726         if (!ret) {
1727                 if (!dev->data->min_rx_buf_size ||
1728                     dev->data->min_rx_buf_size > mbp_buf_size)
1729                         dev->data->min_rx_buf_size = mbp_buf_size;
1730         }
1731
1732         return eth_err(port_id, ret);
1733 }
1734
1735 int
1736 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1737                        uint16_t nb_tx_desc, unsigned int socket_id,
1738                        const struct rte_eth_txconf *tx_conf)
1739 {
1740         struct rte_eth_dev *dev;
1741         struct rte_eth_dev_info dev_info;
1742         struct rte_eth_txconf local_conf;
1743         void **txq;
1744         int ret;
1745
1746         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1747
1748         dev = &rte_eth_devices[port_id];
1749         if (tx_queue_id >= dev->data->nb_tx_queues) {
1750                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1751                 return -EINVAL;
1752         }
1753
1754         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1755
1756         ret = rte_eth_dev_info_get(port_id, &dev_info);
1757         if (ret != 0)
1758                 return ret;
1759
1760         /* Use default specified by driver, if nb_tx_desc is zero */
1761         if (nb_tx_desc == 0) {
1762                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1763                 /* If driver default is zero, fall back on EAL default */
1764                 if (nb_tx_desc == 0)
1765                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1766         }
1767         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1768             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1769             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1770                 RTE_ETHDEV_LOG(ERR,
1771                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1772                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1773                         dev_info.tx_desc_lim.nb_min,
1774                         dev_info.tx_desc_lim.nb_align);
1775                 return -EINVAL;
1776         }
1777
1778         if (dev->data->dev_started &&
1779                 !(dev_info.dev_capa &
1780                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1781                 return -EBUSY;
1782
1783         if (dev->data->dev_started &&
1784                 (dev->data->tx_queue_state[tx_queue_id] !=
1785                         RTE_ETH_QUEUE_STATE_STOPPED))
1786                 return -EBUSY;
1787
1788         txq = dev->data->tx_queues;
1789         if (txq[tx_queue_id]) {
1790                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1791                                         -ENOTSUP);
1792                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1793                 txq[tx_queue_id] = NULL;
1794         }
1795
1796         if (tx_conf == NULL)
1797                 tx_conf = &dev_info.default_txconf;
1798
1799         local_conf = *tx_conf;
1800
1801         /*
1802          * If an offloading has already been enabled in
1803          * rte_eth_dev_configure(), it has been enabled on all queues,
1804          * so there is no need to enable it in this queue again.
1805          * The local_conf.offloads input to underlying PMD only carries
1806          * those offloadings which are only enabled on this queue and
1807          * not enabled on all queues.
1808          */
1809         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1810
1811         /*
1812          * New added offloadings for this queue are those not enabled in
1813          * rte_eth_dev_configure() and they must be per-queue type.
1814          * A pure per-port offloading can't be enabled on a queue while
1815          * disabled on another queue. A pure per-port offloading can't
1816          * be enabled for any queue as new added one if it hasn't been
1817          * enabled in rte_eth_dev_configure().
1818          */
1819         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1820              local_conf.offloads) {
1821                 RTE_ETHDEV_LOG(ERR,
1822                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1823                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1824                         port_id, tx_queue_id, local_conf.offloads,
1825                         dev_info.tx_queue_offload_capa,
1826                         __func__);
1827                 return -EINVAL;
1828         }
1829
1830         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1831                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1832 }
1833
1834 void
1835 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1836                 void *userdata __rte_unused)
1837 {
1838         unsigned i;
1839
1840         for (i = 0; i < unsent; i++)
1841                 rte_pktmbuf_free(pkts[i]);
1842 }
1843
1844 void
1845 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1846                 void *userdata)
1847 {
1848         uint64_t *count = userdata;
1849         unsigned i;
1850
1851         for (i = 0; i < unsent; i++)
1852                 rte_pktmbuf_free(pkts[i]);
1853
1854         *count += unsent;
1855 }
1856
1857 int
1858 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1859                 buffer_tx_error_fn cbfn, void *userdata)
1860 {
1861         buffer->error_callback = cbfn;
1862         buffer->error_userdata = userdata;
1863         return 0;
1864 }
1865
1866 int
1867 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1868 {
1869         int ret = 0;
1870
1871         if (buffer == NULL)
1872                 return -EINVAL;
1873
1874         buffer->size = size;
1875         if (buffer->error_callback == NULL) {
1876                 ret = rte_eth_tx_buffer_set_err_callback(
1877                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1878         }
1879
1880         return ret;
1881 }
1882
1883 int
1884 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1885 {
1886         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1887         int ret;
1888
1889         /* Validate Input Data. Bail if not valid or not supported. */
1890         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1891         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1892
1893         /* Call driver to free pending mbufs. */
1894         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1895                                                free_cnt);
1896         return eth_err(port_id, ret);
1897 }
1898
1899 int
1900 rte_eth_promiscuous_enable(uint16_t port_id)
1901 {
1902         struct rte_eth_dev *dev;
1903         int diag = 0;
1904
1905         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1906         dev = &rte_eth_devices[port_id];
1907
1908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
1909
1910         if (dev->data->promiscuous == 0) {
1911                 diag = (*dev->dev_ops->promiscuous_enable)(dev);
1912                 dev->data->promiscuous = (diag == 0) ? 1 : 0;
1913         }
1914
1915         return eth_err(port_id, diag);
1916 }
1917
1918 int
1919 rte_eth_promiscuous_disable(uint16_t port_id)
1920 {
1921         struct rte_eth_dev *dev;
1922         int diag = 0;
1923
1924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1925         dev = &rte_eth_devices[port_id];
1926
1927         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
1928
1929         if (dev->data->promiscuous == 1) {
1930                 dev->data->promiscuous = 0;
1931                 diag = (*dev->dev_ops->promiscuous_disable)(dev);
1932                 if (diag != 0)
1933                         dev->data->promiscuous = 1;
1934         }
1935
1936         return eth_err(port_id, diag);
1937 }
1938
1939 int
1940 rte_eth_promiscuous_get(uint16_t port_id)
1941 {
1942         struct rte_eth_dev *dev;
1943
1944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1945
1946         dev = &rte_eth_devices[port_id];
1947         return dev->data->promiscuous;
1948 }
1949
1950 void
1951 rte_eth_allmulticast_enable(uint16_t port_id)
1952 {
1953         struct rte_eth_dev *dev;
1954
1955         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1956         dev = &rte_eth_devices[port_id];
1957
1958         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1959         (*dev->dev_ops->allmulticast_enable)(dev);
1960         dev->data->all_multicast = 1;
1961 }
1962
1963 void
1964 rte_eth_allmulticast_disable(uint16_t port_id)
1965 {
1966         struct rte_eth_dev *dev;
1967
1968         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1969         dev = &rte_eth_devices[port_id];
1970
1971         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1972         dev->data->all_multicast = 0;
1973         (*dev->dev_ops->allmulticast_disable)(dev);
1974 }
1975
1976 int
1977 rte_eth_allmulticast_get(uint16_t port_id)
1978 {
1979         struct rte_eth_dev *dev;
1980
1981         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1982
1983         dev = &rte_eth_devices[port_id];
1984         return dev->data->all_multicast;
1985 }
1986
1987 void
1988 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1989 {
1990         struct rte_eth_dev *dev;
1991
1992         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1993         dev = &rte_eth_devices[port_id];
1994
1995         if (dev->data->dev_conf.intr_conf.lsc &&
1996             dev->data->dev_started)
1997                 rte_eth_linkstatus_get(dev, eth_link);
1998         else {
1999                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
2000                 (*dev->dev_ops->link_update)(dev, 1);
2001                 *eth_link = dev->data->dev_link;
2002         }
2003 }
2004
2005 void
2006 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2007 {
2008         struct rte_eth_dev *dev;
2009
2010         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2011         dev = &rte_eth_devices[port_id];
2012
2013         if (dev->data->dev_conf.intr_conf.lsc &&
2014             dev->data->dev_started)
2015                 rte_eth_linkstatus_get(dev, eth_link);
2016         else {
2017                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
2018                 (*dev->dev_ops->link_update)(dev, 0);
2019                 *eth_link = dev->data->dev_link;
2020         }
2021 }
2022
2023 int
2024 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2025 {
2026         struct rte_eth_dev *dev;
2027
2028         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2029
2030         dev = &rte_eth_devices[port_id];
2031         memset(stats, 0, sizeof(*stats));
2032
2033         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2034         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2035         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2036 }
2037
2038 int
2039 rte_eth_stats_reset(uint16_t port_id)
2040 {
2041         struct rte_eth_dev *dev;
2042
2043         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2044         dev = &rte_eth_devices[port_id];
2045
2046         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2047         (*dev->dev_ops->stats_reset)(dev);
2048         dev->data->rx_mbuf_alloc_failed = 0;
2049
2050         return 0;
2051 }
2052
2053 static inline int
2054 get_xstats_basic_count(struct rte_eth_dev *dev)
2055 {
2056         uint16_t nb_rxqs, nb_txqs;
2057         int count;
2058
2059         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2060         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2061
2062         count = RTE_NB_STATS;
2063         count += nb_rxqs * RTE_NB_RXQ_STATS;
2064         count += nb_txqs * RTE_NB_TXQ_STATS;
2065
2066         return count;
2067 }
2068
2069 static int
2070 get_xstats_count(uint16_t port_id)
2071 {
2072         struct rte_eth_dev *dev;
2073         int count;
2074
2075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2076         dev = &rte_eth_devices[port_id];
2077         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2078                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2079                                 NULL, 0);
2080                 if (count < 0)
2081                         return eth_err(port_id, count);
2082         }
2083         if (dev->dev_ops->xstats_get_names != NULL) {
2084                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2085                 if (count < 0)
2086                         return eth_err(port_id, count);
2087         } else
2088                 count = 0;
2089
2090
2091         count += get_xstats_basic_count(dev);
2092
2093         return count;
2094 }
2095
2096 int
2097 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2098                 uint64_t *id)
2099 {
2100         int cnt_xstats, idx_xstat;
2101
2102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2103
2104         if (!id) {
2105                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2106                 return -ENOMEM;
2107         }
2108
2109         if (!xstat_name) {
2110                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2111                 return -ENOMEM;
2112         }
2113
2114         /* Get count */
2115         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2116         if (cnt_xstats  < 0) {
2117                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2118                 return -ENODEV;
2119         }
2120
2121         /* Get id-name lookup table */
2122         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2123
2124         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2125                         port_id, xstats_names, cnt_xstats, NULL)) {
2126                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2127                 return -1;
2128         }
2129
2130         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2131                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2132                         *id = idx_xstat;
2133                         return 0;
2134                 };
2135         }
2136
2137         return -EINVAL;
2138 }
2139
2140 /* retrieve basic stats names */
2141 static int
2142 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2143         struct rte_eth_xstat_name *xstats_names)
2144 {
2145         int cnt_used_entries = 0;
2146         uint32_t idx, id_queue;
2147         uint16_t num_q;
2148
2149         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2150                 strlcpy(xstats_names[cnt_used_entries].name,
2151                         rte_stats_strings[idx].name,
2152                         sizeof(xstats_names[0].name));
2153                 cnt_used_entries++;
2154         }
2155         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2156         for (id_queue = 0; id_queue < num_q; id_queue++) {
2157                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2158                         snprintf(xstats_names[cnt_used_entries].name,
2159                                 sizeof(xstats_names[0].name),
2160                                 "rx_q%u%s",
2161                                 id_queue, rte_rxq_stats_strings[idx].name);
2162                         cnt_used_entries++;
2163                 }
2164
2165         }
2166         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2167         for (id_queue = 0; id_queue < num_q; id_queue++) {
2168                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2169                         snprintf(xstats_names[cnt_used_entries].name,
2170                                 sizeof(xstats_names[0].name),
2171                                 "tx_q%u%s",
2172                                 id_queue, rte_txq_stats_strings[idx].name);
2173                         cnt_used_entries++;
2174                 }
2175         }
2176         return cnt_used_entries;
2177 }
2178
2179 /* retrieve ethdev extended statistics names */
2180 int
2181 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2182         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2183         uint64_t *ids)
2184 {
2185         struct rte_eth_xstat_name *xstats_names_copy;
2186         unsigned int no_basic_stat_requested = 1;
2187         unsigned int no_ext_stat_requested = 1;
2188         unsigned int expected_entries;
2189         unsigned int basic_count;
2190         struct rte_eth_dev *dev;
2191         unsigned int i;
2192         int ret;
2193
2194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2195         dev = &rte_eth_devices[port_id];
2196
2197         basic_count = get_xstats_basic_count(dev);
2198         ret = get_xstats_count(port_id);
2199         if (ret < 0)
2200                 return ret;
2201         expected_entries = (unsigned int)ret;
2202
2203         /* Return max number of stats if no ids given */
2204         if (!ids) {
2205                 if (!xstats_names)
2206                         return expected_entries;
2207                 else if (xstats_names && size < expected_entries)
2208                         return expected_entries;
2209         }
2210
2211         if (ids && !xstats_names)
2212                 return -EINVAL;
2213
2214         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2215                 uint64_t ids_copy[size];
2216
2217                 for (i = 0; i < size; i++) {
2218                         if (ids[i] < basic_count) {
2219                                 no_basic_stat_requested = 0;
2220                                 break;
2221                         }
2222
2223                         /*
2224                          * Convert ids to xstats ids that PMD knows.
2225                          * ids known by user are basic + extended stats.
2226                          */
2227                         ids_copy[i] = ids[i] - basic_count;
2228                 }
2229
2230                 if (no_basic_stat_requested)
2231                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2232                                         xstats_names, ids_copy, size);
2233         }
2234
2235         /* Retrieve all stats */
2236         if (!ids) {
2237                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2238                                 expected_entries);
2239                 if (num_stats < 0 || num_stats > (int)expected_entries)
2240                         return num_stats;
2241                 else
2242                         return expected_entries;
2243         }
2244
2245         xstats_names_copy = calloc(expected_entries,
2246                 sizeof(struct rte_eth_xstat_name));
2247
2248         if (!xstats_names_copy) {
2249                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2250                 return -ENOMEM;
2251         }
2252
2253         if (ids) {
2254                 for (i = 0; i < size; i++) {
2255                         if (ids[i] >= basic_count) {
2256                                 no_ext_stat_requested = 0;
2257                                 break;
2258                         }
2259                 }
2260         }
2261
2262         /* Fill xstats_names_copy structure */
2263         if (ids && no_ext_stat_requested) {
2264                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2265         } else {
2266                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2267                         expected_entries);
2268                 if (ret < 0) {
2269                         free(xstats_names_copy);
2270                         return ret;
2271                 }
2272         }
2273
2274         /* Filter stats */
2275         for (i = 0; i < size; i++) {
2276                 if (ids[i] >= expected_entries) {
2277                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2278                         free(xstats_names_copy);
2279                         return -1;
2280                 }
2281                 xstats_names[i] = xstats_names_copy[ids[i]];
2282         }
2283
2284         free(xstats_names_copy);
2285         return size;
2286 }
2287
2288 int
2289 rte_eth_xstats_get_names(uint16_t port_id,
2290         struct rte_eth_xstat_name *xstats_names,
2291         unsigned int size)
2292 {
2293         struct rte_eth_dev *dev;
2294         int cnt_used_entries;
2295         int cnt_expected_entries;
2296         int cnt_driver_entries;
2297
2298         cnt_expected_entries = get_xstats_count(port_id);
2299         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2300                         (int)size < cnt_expected_entries)
2301                 return cnt_expected_entries;
2302
2303         /* port_id checked in get_xstats_count() */
2304         dev = &rte_eth_devices[port_id];
2305
2306         cnt_used_entries = rte_eth_basic_stats_get_names(
2307                 dev, xstats_names);
2308
2309         if (dev->dev_ops->xstats_get_names != NULL) {
2310                 /* If there are any driver-specific xstats, append them
2311                  * to end of list.
2312                  */
2313                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2314                         dev,
2315                         xstats_names + cnt_used_entries,
2316                         size - cnt_used_entries);
2317                 if (cnt_driver_entries < 0)
2318                         return eth_err(port_id, cnt_driver_entries);
2319                 cnt_used_entries += cnt_driver_entries;
2320         }
2321
2322         return cnt_used_entries;
2323 }
2324
2325
2326 static int
2327 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2328 {
2329         struct rte_eth_dev *dev;
2330         struct rte_eth_stats eth_stats;
2331         unsigned int count = 0, i, q;
2332         uint64_t val, *stats_ptr;
2333         uint16_t nb_rxqs, nb_txqs;
2334         int ret;
2335
2336         ret = rte_eth_stats_get(port_id, &eth_stats);
2337         if (ret < 0)
2338                 return ret;
2339
2340         dev = &rte_eth_devices[port_id];
2341
2342         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2343         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2344
2345         /* global stats */
2346         for (i = 0; i < RTE_NB_STATS; i++) {
2347                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2348                                         rte_stats_strings[i].offset);
2349                 val = *stats_ptr;
2350                 xstats[count++].value = val;
2351         }
2352
2353         /* per-rxq stats */
2354         for (q = 0; q < nb_rxqs; q++) {
2355                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2356                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2357                                         rte_rxq_stats_strings[i].offset +
2358                                         q * sizeof(uint64_t));
2359                         val = *stats_ptr;
2360                         xstats[count++].value = val;
2361                 }
2362         }
2363
2364         /* per-txq stats */
2365         for (q = 0; q < nb_txqs; q++) {
2366                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2367                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2368                                         rte_txq_stats_strings[i].offset +
2369                                         q * sizeof(uint64_t));
2370                         val = *stats_ptr;
2371                         xstats[count++].value = val;
2372                 }
2373         }
2374         return count;
2375 }
2376
2377 /* retrieve ethdev extended statistics */
2378 int
2379 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2380                          uint64_t *values, unsigned int size)
2381 {
2382         unsigned int no_basic_stat_requested = 1;
2383         unsigned int no_ext_stat_requested = 1;
2384         unsigned int num_xstats_filled;
2385         unsigned int basic_count;
2386         uint16_t expected_entries;
2387         struct rte_eth_dev *dev;
2388         unsigned int i;
2389         int ret;
2390
2391         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2392         ret = get_xstats_count(port_id);
2393         if (ret < 0)
2394                 return ret;
2395         expected_entries = (uint16_t)ret;
2396         struct rte_eth_xstat xstats[expected_entries];
2397         dev = &rte_eth_devices[port_id];
2398         basic_count = get_xstats_basic_count(dev);
2399
2400         /* Return max number of stats if no ids given */
2401         if (!ids) {
2402                 if (!values)
2403                         return expected_entries;
2404                 else if (values && size < expected_entries)
2405                         return expected_entries;
2406         }
2407
2408         if (ids && !values)
2409                 return -EINVAL;
2410
2411         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2412                 unsigned int basic_count = get_xstats_basic_count(dev);
2413                 uint64_t ids_copy[size];
2414
2415                 for (i = 0; i < size; i++) {
2416                         if (ids[i] < basic_count) {
2417                                 no_basic_stat_requested = 0;
2418                                 break;
2419                         }
2420
2421                         /*
2422                          * Convert ids to xstats ids that PMD knows.
2423                          * ids known by user are basic + extended stats.
2424                          */
2425                         ids_copy[i] = ids[i] - basic_count;
2426                 }
2427
2428                 if (no_basic_stat_requested)
2429                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2430                                         values, size);
2431         }
2432
2433         if (ids) {
2434                 for (i = 0; i < size; i++) {
2435                         if (ids[i] >= basic_count) {
2436                                 no_ext_stat_requested = 0;
2437                                 break;
2438                         }
2439                 }
2440         }
2441
2442         /* Fill the xstats structure */
2443         if (ids && no_ext_stat_requested)
2444                 ret = rte_eth_basic_stats_get(port_id, xstats);
2445         else
2446                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2447
2448         if (ret < 0)
2449                 return ret;
2450         num_xstats_filled = (unsigned int)ret;
2451
2452         /* Return all stats */
2453         if (!ids) {
2454                 for (i = 0; i < num_xstats_filled; i++)
2455                         values[i] = xstats[i].value;
2456                 return expected_entries;
2457         }
2458
2459         /* Filter stats */
2460         for (i = 0; i < size; i++) {
2461                 if (ids[i] >= expected_entries) {
2462                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2463                         return -1;
2464                 }
2465                 values[i] = xstats[ids[i]].value;
2466         }
2467         return size;
2468 }
2469
2470 int
2471 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2472         unsigned int n)
2473 {
2474         struct rte_eth_dev *dev;
2475         unsigned int count = 0, i;
2476         signed int xcount = 0;
2477         uint16_t nb_rxqs, nb_txqs;
2478         int ret;
2479
2480         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2481
2482         dev = &rte_eth_devices[port_id];
2483
2484         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2485         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2486
2487         /* Return generic statistics */
2488         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2489                 (nb_txqs * RTE_NB_TXQ_STATS);
2490
2491         /* implemented by the driver */
2492         if (dev->dev_ops->xstats_get != NULL) {
2493                 /* Retrieve the xstats from the driver at the end of the
2494                  * xstats struct.
2495                  */
2496                 xcount = (*dev->dev_ops->xstats_get)(dev,
2497                                      xstats ? xstats + count : NULL,
2498                                      (n > count) ? n - count : 0);
2499
2500                 if (xcount < 0)
2501                         return eth_err(port_id, xcount);
2502         }
2503
2504         if (n < count + xcount || xstats == NULL)
2505                 return count + xcount;
2506
2507         /* now fill the xstats structure */
2508         ret = rte_eth_basic_stats_get(port_id, xstats);
2509         if (ret < 0)
2510                 return ret;
2511         count = ret;
2512
2513         for (i = 0; i < count; i++)
2514                 xstats[i].id = i;
2515         /* add an offset to driver-specific stats */
2516         for ( ; i < count + xcount; i++)
2517                 xstats[i].id += count;
2518
2519         return count + xcount;
2520 }
2521
2522 /* reset ethdev extended statistics */
2523 int
2524 rte_eth_xstats_reset(uint16_t port_id)
2525 {
2526         struct rte_eth_dev *dev;
2527
2528         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2529         dev = &rte_eth_devices[port_id];
2530
2531         /* implemented by the driver */
2532         if (dev->dev_ops->xstats_reset != NULL) {
2533                 (*dev->dev_ops->xstats_reset)(dev);
2534                 return 0;
2535         }
2536
2537         /* fallback to default */
2538         return rte_eth_stats_reset(port_id);
2539 }
2540
2541 static int
2542 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2543                 uint8_t is_rx)
2544 {
2545         struct rte_eth_dev *dev;
2546
2547         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2548
2549         dev = &rte_eth_devices[port_id];
2550
2551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2552
2553         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2554                 return -EINVAL;
2555
2556         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2557                 return -EINVAL;
2558
2559         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2560                 return -EINVAL;
2561
2562         return (*dev->dev_ops->queue_stats_mapping_set)
2563                         (dev, queue_id, stat_idx, is_rx);
2564 }
2565
2566
2567 int
2568 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2569                 uint8_t stat_idx)
2570 {
2571         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2572                                                 stat_idx, STAT_QMAP_TX));
2573 }
2574
2575
2576 int
2577 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2578                 uint8_t stat_idx)
2579 {
2580         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2581                                                 stat_idx, STAT_QMAP_RX));
2582 }
2583
2584 int
2585 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2586 {
2587         struct rte_eth_dev *dev;
2588
2589         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2590         dev = &rte_eth_devices[port_id];
2591
2592         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2593         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2594                                                         fw_version, fw_size));
2595 }
2596
2597 int
2598 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2599 {
2600         struct rte_eth_dev *dev;
2601         const struct rte_eth_desc_lim lim = {
2602                 .nb_max = UINT16_MAX,
2603                 .nb_min = 0,
2604                 .nb_align = 1,
2605                 .nb_seg_max = UINT16_MAX,
2606                 .nb_mtu_seg_max = UINT16_MAX,
2607         };
2608         int diag;
2609
2610         /*
2611          * Init dev_info before port_id check since caller does not have
2612          * return status and does not know if get is successful or not.
2613          */
2614         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2615
2616         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2617         dev = &rte_eth_devices[port_id];
2618
2619         dev_info->rx_desc_lim = lim;
2620         dev_info->tx_desc_lim = lim;
2621         dev_info->device = dev->device;
2622         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2623         dev_info->max_mtu = UINT16_MAX;
2624
2625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2626         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2627         if (diag != 0) {
2628                 /* Cleanup already filled in device information */
2629                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2630                 return eth_err(port_id, diag);
2631         }
2632
2633         dev_info->driver_name = dev->device->driver->name;
2634         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2635         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2636
2637         dev_info->dev_flags = &dev->data->dev_flags;
2638
2639         return 0;
2640 }
2641
2642 int
2643 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2644                                  uint32_t *ptypes, int num)
2645 {
2646         int i, j;
2647         struct rte_eth_dev *dev;
2648         const uint32_t *all_ptypes;
2649
2650         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2651         dev = &rte_eth_devices[port_id];
2652         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2653         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2654
2655         if (!all_ptypes)
2656                 return 0;
2657
2658         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2659                 if (all_ptypes[i] & ptype_mask) {
2660                         if (j < num)
2661                                 ptypes[j] = all_ptypes[i];
2662                         j++;
2663                 }
2664
2665         return j;
2666 }
2667
2668 void
2669 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2670 {
2671         struct rte_eth_dev *dev;
2672
2673         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2674         dev = &rte_eth_devices[port_id];
2675         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2676 }
2677
2678
2679 int
2680 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2681 {
2682         struct rte_eth_dev *dev;
2683
2684         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2685
2686         dev = &rte_eth_devices[port_id];
2687         *mtu = dev->data->mtu;
2688         return 0;
2689 }
2690
2691 int
2692 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2693 {
2694         int ret;
2695         struct rte_eth_dev_info dev_info;
2696         struct rte_eth_dev *dev;
2697
2698         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2699         dev = &rte_eth_devices[port_id];
2700         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2701
2702         /*
2703          * Check if the device supports dev_infos_get, if it does not
2704          * skip min_mtu/max_mtu validation here as this requires values
2705          * that are populated within the call to rte_eth_dev_info_get()
2706          * which relies on dev->dev_ops->dev_infos_get.
2707          */
2708         if (*dev->dev_ops->dev_infos_get != NULL) {
2709                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2710                 if (ret != 0)
2711                         return ret;
2712
2713                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2714                         return -EINVAL;
2715         }
2716
2717         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2718         if (!ret)
2719                 dev->data->mtu = mtu;
2720
2721         return eth_err(port_id, ret);
2722 }
2723
2724 int
2725 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2726 {
2727         struct rte_eth_dev *dev;
2728         int ret;
2729
2730         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2731         dev = &rte_eth_devices[port_id];
2732         if (!(dev->data->dev_conf.rxmode.offloads &
2733               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2734                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2735                         port_id);
2736                 return -ENOSYS;
2737         }
2738
2739         if (vlan_id > 4095) {
2740                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2741                         port_id, vlan_id);
2742                 return -EINVAL;
2743         }
2744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2745
2746         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2747         if (ret == 0) {
2748                 struct rte_vlan_filter_conf *vfc;
2749                 int vidx;
2750                 int vbit;
2751
2752                 vfc = &dev->data->vlan_filter_conf;
2753                 vidx = vlan_id / 64;
2754                 vbit = vlan_id % 64;
2755
2756                 if (on)
2757                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2758                 else
2759                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2760         }
2761
2762         return eth_err(port_id, ret);
2763 }
2764
2765 int
2766 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2767                                     int on)
2768 {
2769         struct rte_eth_dev *dev;
2770
2771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2772         dev = &rte_eth_devices[port_id];
2773         if (rx_queue_id >= dev->data->nb_rx_queues) {
2774                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2775                 return -EINVAL;
2776         }
2777
2778         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2779         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2780
2781         return 0;
2782 }
2783
2784 int
2785 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2786                                 enum rte_vlan_type vlan_type,
2787                                 uint16_t tpid)
2788 {
2789         struct rte_eth_dev *dev;
2790
2791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792         dev = &rte_eth_devices[port_id];
2793         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2794
2795         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2796                                                                tpid));
2797 }
2798
2799 int
2800 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2801 {
2802         struct rte_eth_dev *dev;
2803         int ret = 0;
2804         int mask = 0;
2805         int cur, org = 0;
2806         uint64_t orig_offloads;
2807         uint64_t *dev_offloads;
2808
2809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2810         dev = &rte_eth_devices[port_id];
2811
2812         /* save original values in case of failure */
2813         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2814         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2815
2816         /*check which option changed by application*/
2817         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2818         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2819         if (cur != org) {
2820                 if (cur)
2821                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2822                 else
2823                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2824                 mask |= ETH_VLAN_STRIP_MASK;
2825         }
2826
2827         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2828         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2829         if (cur != org) {
2830                 if (cur)
2831                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2832                 else
2833                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2834                 mask |= ETH_VLAN_FILTER_MASK;
2835         }
2836
2837         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2838         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2839         if (cur != org) {
2840                 if (cur)
2841                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2842                 else
2843                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2844                 mask |= ETH_VLAN_EXTEND_MASK;
2845         }
2846
2847         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2848         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2849         if (cur != org) {
2850                 if (cur)
2851                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2852                 else
2853                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2854                 mask |= ETH_QINQ_STRIP_MASK;
2855         }
2856
2857         /*no change*/
2858         if (mask == 0)
2859                 return ret;
2860
2861         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2862         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2863         if (ret) {
2864                 /* hit an error restore  original values */
2865                 *dev_offloads = orig_offloads;
2866         }
2867
2868         return eth_err(port_id, ret);
2869 }
2870
2871 int
2872 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2873 {
2874         struct rte_eth_dev *dev;
2875         uint64_t *dev_offloads;
2876         int ret = 0;
2877
2878         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2879         dev = &rte_eth_devices[port_id];
2880         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2881
2882         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2883                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2884
2885         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2886                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2887
2888         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2889                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2890
2891         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2892                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2893
2894         return ret;
2895 }
2896
2897 int
2898 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2899 {
2900         struct rte_eth_dev *dev;
2901
2902         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2903         dev = &rte_eth_devices[port_id];
2904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2905
2906         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2907 }
2908
2909 int
2910 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2911 {
2912         struct rte_eth_dev *dev;
2913
2914         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2915         dev = &rte_eth_devices[port_id];
2916         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2917         memset(fc_conf, 0, sizeof(*fc_conf));
2918         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2919 }
2920
2921 int
2922 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2923 {
2924         struct rte_eth_dev *dev;
2925
2926         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2927         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2928                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2929                 return -EINVAL;
2930         }
2931
2932         dev = &rte_eth_devices[port_id];
2933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2934         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2935 }
2936
2937 int
2938 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2939                                    struct rte_eth_pfc_conf *pfc_conf)
2940 {
2941         struct rte_eth_dev *dev;
2942
2943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2944         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2945                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2946                 return -EINVAL;
2947         }
2948
2949         dev = &rte_eth_devices[port_id];
2950         /* High water, low water validation are device specific */
2951         if  (*dev->dev_ops->priority_flow_ctrl_set)
2952                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2953                                         (dev, pfc_conf));
2954         return -ENOTSUP;
2955 }
2956
2957 static int
2958 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2959                         uint16_t reta_size)
2960 {
2961         uint16_t i, num;
2962
2963         if (!reta_conf)
2964                 return -EINVAL;
2965
2966         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2967         for (i = 0; i < num; i++) {
2968                 if (reta_conf[i].mask)
2969                         return 0;
2970         }
2971
2972         return -EINVAL;
2973 }
2974
2975 static int
2976 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2977                          uint16_t reta_size,
2978                          uint16_t max_rxq)
2979 {
2980         uint16_t i, idx, shift;
2981
2982         if (!reta_conf)
2983                 return -EINVAL;
2984
2985         if (max_rxq == 0) {
2986                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2987                 return -EINVAL;
2988         }
2989
2990         for (i = 0; i < reta_size; i++) {
2991                 idx = i / RTE_RETA_GROUP_SIZE;
2992                 shift = i % RTE_RETA_GROUP_SIZE;
2993                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2994                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2995                         RTE_ETHDEV_LOG(ERR,
2996                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2997                                 idx, shift,
2998                                 reta_conf[idx].reta[shift], max_rxq);
2999                         return -EINVAL;
3000                 }
3001         }
3002
3003         return 0;
3004 }
3005
3006 int
3007 rte_eth_dev_rss_reta_update(uint16_t port_id,
3008                             struct rte_eth_rss_reta_entry64 *reta_conf,
3009                             uint16_t reta_size)
3010 {
3011         struct rte_eth_dev *dev;
3012         int ret;
3013
3014         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3015         /* Check mask bits */
3016         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3017         if (ret < 0)
3018                 return ret;
3019
3020         dev = &rte_eth_devices[port_id];
3021
3022         /* Check entry value */
3023         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3024                                 dev->data->nb_rx_queues);
3025         if (ret < 0)
3026                 return ret;
3027
3028         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3029         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3030                                                              reta_size));
3031 }
3032
3033 int
3034 rte_eth_dev_rss_reta_query(uint16_t port_id,
3035                            struct rte_eth_rss_reta_entry64 *reta_conf,
3036                            uint16_t reta_size)
3037 {
3038         struct rte_eth_dev *dev;
3039         int ret;
3040
3041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3042
3043         /* Check mask bits */
3044         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3045         if (ret < 0)
3046                 return ret;
3047
3048         dev = &rte_eth_devices[port_id];
3049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3050         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3051                                                             reta_size));
3052 }
3053
3054 int
3055 rte_eth_dev_rss_hash_update(uint16_t port_id,
3056                             struct rte_eth_rss_conf *rss_conf)
3057 {
3058         struct rte_eth_dev *dev;
3059         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3060         int ret;
3061
3062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3063
3064         ret = rte_eth_dev_info_get(port_id, &dev_info);
3065         if (ret != 0)
3066                 return ret;
3067
3068         dev = &rte_eth_devices[port_id];
3069         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3070             dev_info.flow_type_rss_offloads) {
3071                 RTE_ETHDEV_LOG(ERR,
3072                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3073                         port_id, rss_conf->rss_hf,
3074                         dev_info.flow_type_rss_offloads);
3075                 return -EINVAL;
3076         }
3077         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3078         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3079                                                                  rss_conf));
3080 }
3081
3082 int
3083 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3084                               struct rte_eth_rss_conf *rss_conf)
3085 {
3086         struct rte_eth_dev *dev;
3087
3088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3089         dev = &rte_eth_devices[port_id];
3090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3091         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3092                                                                    rss_conf));
3093 }
3094
3095 int
3096 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3097                                 struct rte_eth_udp_tunnel *udp_tunnel)
3098 {
3099         struct rte_eth_dev *dev;
3100
3101         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3102         if (udp_tunnel == NULL) {
3103                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3104                 return -EINVAL;
3105         }
3106
3107         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3108                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3109                 return -EINVAL;
3110         }
3111
3112         dev = &rte_eth_devices[port_id];
3113         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3114         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3115                                                                 udp_tunnel));
3116 }
3117
3118 int
3119 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3120                                    struct rte_eth_udp_tunnel *udp_tunnel)
3121 {
3122         struct rte_eth_dev *dev;
3123
3124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3125         dev = &rte_eth_devices[port_id];
3126
3127         if (udp_tunnel == NULL) {
3128                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3129                 return -EINVAL;
3130         }
3131
3132         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3133                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3134                 return -EINVAL;
3135         }
3136
3137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3138         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3139                                                                 udp_tunnel));
3140 }
3141
3142 int
3143 rte_eth_led_on(uint16_t port_id)
3144 {
3145         struct rte_eth_dev *dev;
3146
3147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3148         dev = &rte_eth_devices[port_id];
3149         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3150         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3151 }
3152
3153 int
3154 rte_eth_led_off(uint16_t port_id)
3155 {
3156         struct rte_eth_dev *dev;
3157
3158         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3159         dev = &rte_eth_devices[port_id];
3160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3161         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3162 }
3163
3164 /*
3165  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3166  * an empty spot.
3167  */
3168 static int
3169 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3170 {
3171         struct rte_eth_dev_info dev_info;
3172         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3173         unsigned i;
3174         int ret;
3175
3176         ret = rte_eth_dev_info_get(port_id, &dev_info);
3177         if (ret != 0)
3178                 return -1;
3179
3180         for (i = 0; i < dev_info.max_mac_addrs; i++)
3181                 if (memcmp(addr, &dev->data->mac_addrs[i],
3182                                 RTE_ETHER_ADDR_LEN) == 0)
3183                         return i;
3184
3185         return -1;
3186 }
3187
3188 static const struct rte_ether_addr null_mac_addr;
3189
3190 int
3191 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3192                         uint32_t pool)
3193 {
3194         struct rte_eth_dev *dev;
3195         int index;
3196         uint64_t pool_mask;
3197         int ret;
3198
3199         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3200         dev = &rte_eth_devices[port_id];
3201         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3202
3203         if (rte_is_zero_ether_addr(addr)) {
3204                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3205                         port_id);
3206                 return -EINVAL;
3207         }
3208         if (pool >= ETH_64_POOLS) {
3209                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3210                 return -EINVAL;
3211         }
3212
3213         index = get_mac_addr_index(port_id, addr);
3214         if (index < 0) {
3215                 index = get_mac_addr_index(port_id, &null_mac_addr);
3216                 if (index < 0) {
3217                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3218                                 port_id);
3219                         return -ENOSPC;
3220                 }
3221         } else {
3222                 pool_mask = dev->data->mac_pool_sel[index];
3223
3224                 /* Check if both MAC address and pool is already there, and do nothing */
3225                 if (pool_mask & (1ULL << pool))
3226                         return 0;
3227         }
3228
3229         /* Update NIC */
3230         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3231
3232         if (ret == 0) {
3233                 /* Update address in NIC data structure */
3234                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3235
3236                 /* Update pool bitmap in NIC data structure */
3237                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3238         }
3239
3240         return eth_err(port_id, ret);
3241 }
3242
3243 int
3244 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3245 {
3246         struct rte_eth_dev *dev;
3247         int index;
3248
3249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3250         dev = &rte_eth_devices[port_id];
3251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3252
3253         index = get_mac_addr_index(port_id, addr);
3254         if (index == 0) {
3255                 RTE_ETHDEV_LOG(ERR,
3256                         "Port %u: Cannot remove default MAC address\n",
3257                         port_id);
3258                 return -EADDRINUSE;
3259         } else if (index < 0)
3260                 return 0;  /* Do nothing if address wasn't found */
3261
3262         /* Update NIC */
3263         (*dev->dev_ops->mac_addr_remove)(dev, index);
3264
3265         /* Update address in NIC data structure */
3266         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3267
3268         /* reset pool bitmap */
3269         dev->data->mac_pool_sel[index] = 0;
3270
3271         return 0;
3272 }
3273
3274 int
3275 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3276 {
3277         struct rte_eth_dev *dev;
3278         int ret;
3279
3280         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3281
3282         if (!rte_is_valid_assigned_ether_addr(addr))
3283                 return -EINVAL;
3284
3285         dev = &rte_eth_devices[port_id];
3286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3287
3288         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3289         if (ret < 0)
3290                 return ret;
3291
3292         /* Update default address in NIC data structure */
3293         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3294
3295         return 0;
3296 }
3297
3298
3299 /*
3300  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3301  * an empty spot.
3302  */
3303 static int
3304 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3305 {
3306         struct rte_eth_dev_info dev_info;
3307         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3308         unsigned i;
3309         int ret;
3310
3311         ret = rte_eth_dev_info_get(port_id, &dev_info);
3312         if (ret != 0)
3313                 return -1;
3314
3315         if (!dev->data->hash_mac_addrs)
3316                 return -1;
3317
3318         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3319                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3320                         RTE_ETHER_ADDR_LEN) == 0)
3321                         return i;
3322
3323         return -1;
3324 }
3325
3326 int
3327 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3328                                 uint8_t on)
3329 {
3330         int index;
3331         int ret;
3332         struct rte_eth_dev *dev;
3333
3334         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3335
3336         dev = &rte_eth_devices[port_id];
3337         if (rte_is_zero_ether_addr(addr)) {
3338                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3339                         port_id);
3340                 return -EINVAL;
3341         }
3342
3343         index = get_hash_mac_addr_index(port_id, addr);
3344         /* Check if it's already there, and do nothing */
3345         if ((index >= 0) && on)
3346                 return 0;
3347
3348         if (index < 0) {
3349                 if (!on) {
3350                         RTE_ETHDEV_LOG(ERR,
3351                                 "Port %u: the MAC address was not set in UTA\n",
3352                                 port_id);
3353                         return -EINVAL;
3354                 }
3355
3356                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3357                 if (index < 0) {
3358                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3359                                 port_id);
3360                         return -ENOSPC;
3361                 }
3362         }
3363
3364         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3365         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3366         if (ret == 0) {
3367                 /* Update address in NIC data structure */
3368                 if (on)
3369                         rte_ether_addr_copy(addr,
3370                                         &dev->data->hash_mac_addrs[index]);
3371                 else
3372                         rte_ether_addr_copy(&null_mac_addr,
3373                                         &dev->data->hash_mac_addrs[index]);
3374         }
3375
3376         return eth_err(port_id, ret);
3377 }
3378
3379 int
3380 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3381 {
3382         struct rte_eth_dev *dev;
3383
3384         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3385
3386         dev = &rte_eth_devices[port_id];
3387
3388         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3389         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3390                                                                        on));
3391 }
3392
3393 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3394                                         uint16_t tx_rate)
3395 {
3396         struct rte_eth_dev *dev;
3397         struct rte_eth_dev_info dev_info;
3398         struct rte_eth_link link;
3399         int ret;
3400
3401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3402
3403         ret = rte_eth_dev_info_get(port_id, &dev_info);
3404         if (ret != 0)
3405                 return ret;
3406
3407         dev = &rte_eth_devices[port_id];
3408         link = dev->data->dev_link;
3409
3410         if (queue_idx > dev_info.max_tx_queues) {
3411                 RTE_ETHDEV_LOG(ERR,
3412                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3413                         port_id, queue_idx);
3414                 return -EINVAL;
3415         }
3416
3417         if (tx_rate > link.link_speed) {
3418                 RTE_ETHDEV_LOG(ERR,
3419                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3420                         tx_rate, link.link_speed);
3421                 return -EINVAL;
3422         }
3423
3424         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3425         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3426                                                         queue_idx, tx_rate));
3427 }
3428
3429 int
3430 rte_eth_mirror_rule_set(uint16_t port_id,
3431                         struct rte_eth_mirror_conf *mirror_conf,
3432                         uint8_t rule_id, uint8_t on)
3433 {
3434         struct rte_eth_dev *dev;
3435
3436         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3437         if (mirror_conf->rule_type == 0) {
3438                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3439                 return -EINVAL;
3440         }
3441
3442         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3443                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3444                         ETH_64_POOLS - 1);
3445                 return -EINVAL;
3446         }
3447
3448         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3449              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3450             (mirror_conf->pool_mask == 0)) {
3451                 RTE_ETHDEV_LOG(ERR,
3452                         "Invalid mirror pool, pool mask can not be 0\n");
3453                 return -EINVAL;
3454         }
3455
3456         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3457             mirror_conf->vlan.vlan_mask == 0) {
3458                 RTE_ETHDEV_LOG(ERR,
3459                         "Invalid vlan mask, vlan mask can not be 0\n");
3460                 return -EINVAL;
3461         }
3462
3463         dev = &rte_eth_devices[port_id];
3464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3465
3466         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3467                                                 mirror_conf, rule_id, on));
3468 }
3469
3470 int
3471 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3472 {
3473         struct rte_eth_dev *dev;
3474
3475         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3476
3477         dev = &rte_eth_devices[port_id];
3478         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3479
3480         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3481                                                                    rule_id));
3482 }
3483
3484 RTE_INIT(eth_dev_init_cb_lists)
3485 {
3486         int i;
3487
3488         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3489                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3490 }
3491
3492 int
3493 rte_eth_dev_callback_register(uint16_t port_id,
3494                         enum rte_eth_event_type event,
3495                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3496 {
3497         struct rte_eth_dev *dev;
3498         struct rte_eth_dev_callback *user_cb;
3499         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3500         uint16_t last_port;
3501
3502         if (!cb_fn)
3503                 return -EINVAL;
3504
3505         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3506                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3507                 return -EINVAL;
3508         }
3509
3510         if (port_id == RTE_ETH_ALL) {
3511                 next_port = 0;
3512                 last_port = RTE_MAX_ETHPORTS - 1;
3513         } else {
3514                 next_port = last_port = port_id;
3515         }
3516
3517         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3518
3519         do {
3520                 dev = &rte_eth_devices[next_port];
3521
3522                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3523                         if (user_cb->cb_fn == cb_fn &&
3524                                 user_cb->cb_arg == cb_arg &&
3525                                 user_cb->event == event) {
3526                                 break;
3527                         }
3528                 }
3529
3530                 /* create a new callback. */
3531                 if (user_cb == NULL) {
3532                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3533                                 sizeof(struct rte_eth_dev_callback), 0);
3534                         if (user_cb != NULL) {
3535                                 user_cb->cb_fn = cb_fn;
3536                                 user_cb->cb_arg = cb_arg;
3537                                 user_cb->event = event;
3538                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3539                                                   user_cb, next);
3540                         } else {
3541                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3542                                 rte_eth_dev_callback_unregister(port_id, event,
3543                                                                 cb_fn, cb_arg);
3544                                 return -ENOMEM;
3545                         }
3546
3547                 }
3548         } while (++next_port <= last_port);
3549
3550         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3551         return 0;
3552 }
3553
3554 int
3555 rte_eth_dev_callback_unregister(uint16_t port_id,
3556                         enum rte_eth_event_type event,
3557                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3558 {
3559         int ret;
3560         struct rte_eth_dev *dev;
3561         struct rte_eth_dev_callback *cb, *next;
3562         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3563         uint16_t last_port;
3564
3565         if (!cb_fn)
3566                 return -EINVAL;
3567
3568         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3569                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3570                 return -EINVAL;
3571         }
3572
3573         if (port_id == RTE_ETH_ALL) {
3574                 next_port = 0;
3575                 last_port = RTE_MAX_ETHPORTS - 1;
3576         } else {
3577                 next_port = last_port = port_id;
3578         }
3579
3580         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3581
3582         do {
3583                 dev = &rte_eth_devices[next_port];
3584                 ret = 0;
3585                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3586                      cb = next) {
3587
3588                         next = TAILQ_NEXT(cb, next);
3589
3590                         if (cb->cb_fn != cb_fn || cb->event != event ||
3591                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3592                                 continue;
3593
3594                         /*
3595                          * if this callback is not executing right now,
3596                          * then remove it.
3597                          */
3598                         if (cb->active == 0) {
3599                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3600                                 rte_free(cb);
3601                         } else {
3602                                 ret = -EAGAIN;
3603                         }
3604                 }
3605         } while (++next_port <= last_port);
3606
3607         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3608         return ret;
3609 }
3610
3611 int
3612 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3613         enum rte_eth_event_type event, void *ret_param)
3614 {
3615         struct rte_eth_dev_callback *cb_lst;
3616         struct rte_eth_dev_callback dev_cb;
3617         int rc = 0;
3618
3619         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3620         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3621                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3622                         continue;
3623                 dev_cb = *cb_lst;
3624                 cb_lst->active = 1;
3625                 if (ret_param != NULL)
3626                         dev_cb.ret_param = ret_param;
3627
3628                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3629                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3630                                 dev_cb.cb_arg, dev_cb.ret_param);
3631                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3632                 cb_lst->active = 0;
3633         }
3634         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3635         return rc;
3636 }
3637
3638 void
3639 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3640 {
3641         if (dev == NULL)
3642                 return;
3643
3644         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3645
3646         dev->state = RTE_ETH_DEV_ATTACHED;
3647 }
3648
3649 int
3650 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3651 {
3652         uint32_t vec;
3653         struct rte_eth_dev *dev;
3654         struct rte_intr_handle *intr_handle;
3655         uint16_t qid;
3656         int rc;
3657
3658         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3659
3660         dev = &rte_eth_devices[port_id];
3661
3662         if (!dev->intr_handle) {
3663                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3664                 return -ENOTSUP;
3665         }
3666
3667         intr_handle = dev->intr_handle;
3668         if (!intr_handle->intr_vec) {
3669                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3670                 return -EPERM;
3671         }
3672
3673         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3674                 vec = intr_handle->intr_vec[qid];
3675                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3676                 if (rc && rc != -EEXIST) {
3677                         RTE_ETHDEV_LOG(ERR,
3678                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3679                                 port_id, qid, op, epfd, vec);
3680                 }
3681         }
3682
3683         return 0;
3684 }
3685
3686 int
3687 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3688 {
3689         struct rte_intr_handle *intr_handle;
3690         struct rte_eth_dev *dev;
3691         unsigned int efd_idx;
3692         uint32_t vec;
3693         int fd;
3694
3695         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3696
3697         dev = &rte_eth_devices[port_id];
3698
3699         if (queue_id >= dev->data->nb_rx_queues) {
3700                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3701                 return -1;
3702         }
3703
3704         if (!dev->intr_handle) {
3705                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3706                 return -1;
3707         }
3708
3709         intr_handle = dev->intr_handle;
3710         if (!intr_handle->intr_vec) {
3711                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3712                 return -1;
3713         }
3714
3715         vec = intr_handle->intr_vec[queue_id];
3716         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3717                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3718         fd = intr_handle->efds[efd_idx];
3719
3720         return fd;
3721 }
3722
3723 const struct rte_memzone *
3724 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3725                          uint16_t queue_id, size_t size, unsigned align,
3726                          int socket_id)
3727 {
3728         char z_name[RTE_MEMZONE_NAMESIZE];
3729         const struct rte_memzone *mz;
3730         int rc;
3731
3732         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3733                       dev->data->port_id, queue_id, ring_name);
3734         if (rc >= RTE_MEMZONE_NAMESIZE) {
3735                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3736                 rte_errno = ENAMETOOLONG;
3737                 return NULL;
3738         }
3739
3740         mz = rte_memzone_lookup(z_name);
3741         if (mz)
3742                 return mz;
3743
3744         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3745                         RTE_MEMZONE_IOVA_CONTIG, align);
3746 }
3747
3748 int
3749 rte_eth_dev_create(struct rte_device *device, const char *name,
3750         size_t priv_data_size,
3751         ethdev_bus_specific_init ethdev_bus_specific_init,
3752         void *bus_init_params,
3753         ethdev_init_t ethdev_init, void *init_params)
3754 {
3755         struct rte_eth_dev *ethdev;
3756         int retval;
3757
3758         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3759
3760         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3761                 ethdev = rte_eth_dev_allocate(name);
3762                 if (!ethdev)
3763                         return -ENODEV;
3764
3765                 if (priv_data_size) {
3766                         ethdev->data->dev_private = rte_zmalloc_socket(
3767                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3768                                 device->numa_node);
3769
3770                         if (!ethdev->data->dev_private) {
3771                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3772                                 retval = -ENOMEM;
3773                                 goto probe_failed;
3774                         }
3775                 }
3776         } else {
3777                 ethdev = rte_eth_dev_attach_secondary(name);
3778                 if (!ethdev) {
3779                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3780                                 "ethdev doesn't exist");
3781                         return  -ENODEV;
3782                 }
3783         }
3784
3785         ethdev->device = device;
3786
3787         if (ethdev_bus_specific_init) {
3788                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3789                 if (retval) {
3790                         RTE_LOG(ERR, EAL,
3791                                 "ethdev bus specific initialisation failed");
3792                         goto probe_failed;
3793                 }
3794         }
3795
3796         retval = ethdev_init(ethdev, init_params);
3797         if (retval) {
3798                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3799                 goto probe_failed;
3800         }
3801
3802         rte_eth_dev_probing_finish(ethdev);
3803
3804         return retval;
3805
3806 probe_failed:
3807         rte_eth_dev_release_port(ethdev);
3808         return retval;
3809 }
3810
3811 int
3812 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3813         ethdev_uninit_t ethdev_uninit)
3814 {
3815         int ret;
3816
3817         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3818         if (!ethdev)
3819                 return -ENODEV;
3820
3821         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3822
3823         ret = ethdev_uninit(ethdev);
3824         if (ret)
3825                 return ret;
3826
3827         return rte_eth_dev_release_port(ethdev);
3828 }
3829
3830 int
3831 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3832                           int epfd, int op, void *data)
3833 {
3834         uint32_t vec;
3835         struct rte_eth_dev *dev;
3836         struct rte_intr_handle *intr_handle;
3837         int rc;
3838
3839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3840
3841         dev = &rte_eth_devices[port_id];
3842         if (queue_id >= dev->data->nb_rx_queues) {
3843                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3844                 return -EINVAL;
3845         }
3846
3847         if (!dev->intr_handle) {
3848                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3849                 return -ENOTSUP;
3850         }
3851
3852         intr_handle = dev->intr_handle;
3853         if (!intr_handle->intr_vec) {
3854                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3855                 return -EPERM;
3856         }
3857
3858         vec = intr_handle->intr_vec[queue_id];
3859         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3860         if (rc && rc != -EEXIST) {
3861                 RTE_ETHDEV_LOG(ERR,
3862                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3863                         port_id, queue_id, op, epfd, vec);
3864                 return rc;
3865         }
3866
3867         return 0;
3868 }
3869
3870 int
3871 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3872                            uint16_t queue_id)
3873 {
3874         struct rte_eth_dev *dev;
3875
3876         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3877
3878         dev = &rte_eth_devices[port_id];
3879
3880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3881         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3882                                                                 queue_id));
3883 }
3884
3885 int
3886 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3887                             uint16_t queue_id)
3888 {
3889         struct rte_eth_dev *dev;
3890
3891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3892
3893         dev = &rte_eth_devices[port_id];
3894
3895         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3896         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3897                                                                 queue_id));
3898 }
3899
3900
3901 int
3902 rte_eth_dev_filter_supported(uint16_t port_id,
3903                              enum rte_filter_type filter_type)
3904 {
3905         struct rte_eth_dev *dev;
3906
3907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3908
3909         dev = &rte_eth_devices[port_id];
3910         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3911         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3912                                 RTE_ETH_FILTER_NOP, NULL);
3913 }
3914
3915 int
3916 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3917                         enum rte_filter_op filter_op, void *arg)
3918 {
3919         struct rte_eth_dev *dev;
3920
3921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3922
3923         dev = &rte_eth_devices[port_id];
3924         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3925         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3926                                                              filter_op, arg));
3927 }
3928
3929 const struct rte_eth_rxtx_callback *
3930 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3931                 rte_rx_callback_fn fn, void *user_param)
3932 {
3933 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3934         rte_errno = ENOTSUP;
3935         return NULL;
3936 #endif
3937         /* check input parameters */
3938         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3939                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3940                 rte_errno = EINVAL;
3941                 return NULL;
3942         }
3943         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3944
3945         if (cb == NULL) {
3946                 rte_errno = ENOMEM;
3947                 return NULL;
3948         }
3949
3950         cb->fn.rx = fn;
3951         cb->param = user_param;
3952
3953         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3954         /* Add the callbacks in fifo order. */
3955         struct rte_eth_rxtx_callback *tail =
3956                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3957
3958         if (!tail) {
3959                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3960
3961         } else {
3962                 while (tail->next)
3963                         tail = tail->next;
3964                 tail->next = cb;
3965         }
3966         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3967
3968         return cb;
3969 }
3970
3971 const struct rte_eth_rxtx_callback *
3972 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3973                 rte_rx_callback_fn fn, void *user_param)
3974 {
3975 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3976         rte_errno = ENOTSUP;
3977         return NULL;
3978 #endif
3979         /* check input parameters */
3980         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3981                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3982                 rte_errno = EINVAL;
3983                 return NULL;
3984         }
3985
3986         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3987
3988         if (cb == NULL) {
3989                 rte_errno = ENOMEM;
3990                 return NULL;
3991         }
3992
3993         cb->fn.rx = fn;
3994         cb->param = user_param;
3995
3996         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3997         /* Add the callbacks at fisrt position*/
3998         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3999         rte_smp_wmb();
4000         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4001         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4002
4003         return cb;
4004 }
4005
4006 const struct rte_eth_rxtx_callback *
4007 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4008                 rte_tx_callback_fn fn, void *user_param)
4009 {
4010 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4011         rte_errno = ENOTSUP;
4012         return NULL;
4013 #endif
4014         /* check input parameters */
4015         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4016                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4017                 rte_errno = EINVAL;
4018                 return NULL;
4019         }
4020
4021         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4022
4023         if (cb == NULL) {
4024                 rte_errno = ENOMEM;
4025                 return NULL;
4026         }
4027
4028         cb->fn.tx = fn;
4029         cb->param = user_param;
4030
4031         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4032         /* Add the callbacks in fifo order. */
4033         struct rte_eth_rxtx_callback *tail =
4034                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4035
4036         if (!tail) {
4037                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4038
4039         } else {
4040                 while (tail->next)
4041                         tail = tail->next;
4042                 tail->next = cb;
4043         }
4044         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4045
4046         return cb;
4047 }
4048
4049 int
4050 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4051                 const struct rte_eth_rxtx_callback *user_cb)
4052 {
4053 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4054         return -ENOTSUP;
4055 #endif
4056         /* Check input parameters. */
4057         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4058         if (user_cb == NULL ||
4059                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4060                 return -EINVAL;
4061
4062         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4063         struct rte_eth_rxtx_callback *cb;
4064         struct rte_eth_rxtx_callback **prev_cb;
4065         int ret = -EINVAL;
4066
4067         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4068         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4069         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4070                 cb = *prev_cb;
4071                 if (cb == user_cb) {
4072                         /* Remove the user cb from the callback list. */
4073                         *prev_cb = cb->next;
4074                         ret = 0;
4075                         break;
4076                 }
4077         }
4078         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4079
4080         return ret;
4081 }
4082
4083 int
4084 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4085                 const struct rte_eth_rxtx_callback *user_cb)
4086 {
4087 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4088         return -ENOTSUP;
4089 #endif
4090         /* Check input parameters. */
4091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4092         if (user_cb == NULL ||
4093                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4094                 return -EINVAL;
4095
4096         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4097         int ret = -EINVAL;
4098         struct rte_eth_rxtx_callback *cb;
4099         struct rte_eth_rxtx_callback **prev_cb;
4100
4101         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4102         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4103         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4104                 cb = *prev_cb;
4105                 if (cb == user_cb) {
4106                         /* Remove the user cb from the callback list. */
4107                         *prev_cb = cb->next;
4108                         ret = 0;
4109                         break;
4110                 }
4111         }
4112         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4113
4114         return ret;
4115 }
4116
4117 int
4118 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4119         struct rte_eth_rxq_info *qinfo)
4120 {
4121         struct rte_eth_dev *dev;
4122
4123         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4124
4125         if (qinfo == NULL)
4126                 return -EINVAL;
4127
4128         dev = &rte_eth_devices[port_id];
4129         if (queue_id >= dev->data->nb_rx_queues) {
4130                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4131                 return -EINVAL;
4132         }
4133
4134         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4135
4136         memset(qinfo, 0, sizeof(*qinfo));
4137         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4138         return 0;
4139 }
4140
4141 int
4142 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4143         struct rte_eth_txq_info *qinfo)
4144 {
4145         struct rte_eth_dev *dev;
4146
4147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4148
4149         if (qinfo == NULL)
4150                 return -EINVAL;
4151
4152         dev = &rte_eth_devices[port_id];
4153         if (queue_id >= dev->data->nb_tx_queues) {
4154                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4155                 return -EINVAL;
4156         }
4157
4158         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4159
4160         memset(qinfo, 0, sizeof(*qinfo));
4161         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4162
4163         return 0;
4164 }
4165
4166 int
4167 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4168                              struct rte_ether_addr *mc_addr_set,
4169                              uint32_t nb_mc_addr)
4170 {
4171         struct rte_eth_dev *dev;
4172
4173         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4174
4175         dev = &rte_eth_devices[port_id];
4176         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4177         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4178                                                 mc_addr_set, nb_mc_addr));
4179 }
4180
4181 int
4182 rte_eth_timesync_enable(uint16_t port_id)
4183 {
4184         struct rte_eth_dev *dev;
4185
4186         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4187         dev = &rte_eth_devices[port_id];
4188
4189         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4190         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4191 }
4192
4193 int
4194 rte_eth_timesync_disable(uint16_t port_id)
4195 {
4196         struct rte_eth_dev *dev;
4197
4198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4199         dev = &rte_eth_devices[port_id];
4200
4201         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4202         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4203 }
4204
4205 int
4206 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4207                                    uint32_t flags)
4208 {
4209         struct rte_eth_dev *dev;
4210
4211         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4212         dev = &rte_eth_devices[port_id];
4213
4214         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4215         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4216                                 (dev, timestamp, flags));
4217 }
4218
4219 int
4220 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4221                                    struct timespec *timestamp)
4222 {
4223         struct rte_eth_dev *dev;
4224
4225         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4226         dev = &rte_eth_devices[port_id];
4227
4228         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4229         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4230                                 (dev, timestamp));
4231 }
4232
4233 int
4234 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4235 {
4236         struct rte_eth_dev *dev;
4237
4238         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4239         dev = &rte_eth_devices[port_id];
4240
4241         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4242         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4243                                                                       delta));
4244 }
4245
4246 int
4247 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4248 {
4249         struct rte_eth_dev *dev;
4250
4251         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4252         dev = &rte_eth_devices[port_id];
4253
4254         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4255         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4256                                                                 timestamp));
4257 }
4258
4259 int
4260 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4261 {
4262         struct rte_eth_dev *dev;
4263
4264         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4265         dev = &rte_eth_devices[port_id];
4266
4267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4268         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4269                                                                 timestamp));
4270 }
4271
4272 int
4273 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4274 {
4275         struct rte_eth_dev *dev;
4276
4277         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4278         dev = &rte_eth_devices[port_id];
4279
4280         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4281         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4282 }
4283
4284 int
4285 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4286 {
4287         struct rte_eth_dev *dev;
4288
4289         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4290
4291         dev = &rte_eth_devices[port_id];
4292         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4293         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4294 }
4295
4296 int
4297 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4298 {
4299         struct rte_eth_dev *dev;
4300
4301         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4302
4303         dev = &rte_eth_devices[port_id];
4304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4305         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4306 }
4307
4308 int
4309 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4310 {
4311         struct rte_eth_dev *dev;
4312
4313         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4314
4315         dev = &rte_eth_devices[port_id];
4316         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4317         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4318 }
4319
4320 int
4321 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4322 {
4323         struct rte_eth_dev *dev;
4324
4325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4326
4327         dev = &rte_eth_devices[port_id];
4328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4329         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4330 }
4331
4332 int
4333 rte_eth_dev_get_module_info(uint16_t port_id,
4334                             struct rte_eth_dev_module_info *modinfo)
4335 {
4336         struct rte_eth_dev *dev;
4337
4338         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4339
4340         dev = &rte_eth_devices[port_id];
4341         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4342         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4343 }
4344
4345 int
4346 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4347                               struct rte_dev_eeprom_info *info)
4348 {
4349         struct rte_eth_dev *dev;
4350
4351         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4352
4353         dev = &rte_eth_devices[port_id];
4354         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4355         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4356 }
4357
4358 int
4359 rte_eth_dev_get_dcb_info(uint16_t port_id,
4360                              struct rte_eth_dcb_info *dcb_info)
4361 {
4362         struct rte_eth_dev *dev;
4363
4364         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4365
4366         dev = &rte_eth_devices[port_id];
4367         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4368
4369         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4370         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4371 }
4372
4373 int
4374 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4375                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4376 {
4377         struct rte_eth_dev *dev;
4378
4379         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4380         if (l2_tunnel == NULL) {
4381                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4382                 return -EINVAL;
4383         }
4384
4385         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4386                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4387                 return -EINVAL;
4388         }
4389
4390         dev = &rte_eth_devices[port_id];
4391         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4392                                 -ENOTSUP);
4393         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4394                                                                 l2_tunnel));
4395 }
4396
4397 int
4398 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4399                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4400                                   uint32_t mask,
4401                                   uint8_t en)
4402 {
4403         struct rte_eth_dev *dev;
4404
4405         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4406
4407         if (l2_tunnel == NULL) {
4408                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4409                 return -EINVAL;
4410         }
4411
4412         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4413                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4414                 return -EINVAL;
4415         }
4416
4417         if (mask == 0) {
4418                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4419                 return -EINVAL;
4420         }
4421
4422         dev = &rte_eth_devices[port_id];
4423         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4424                                 -ENOTSUP);
4425         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4426                                                         l2_tunnel, mask, en));
4427 }
4428
4429 static void
4430 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4431                            const struct rte_eth_desc_lim *desc_lim)
4432 {
4433         if (desc_lim->nb_align != 0)
4434                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4435
4436         if (desc_lim->nb_max != 0)
4437                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4438
4439         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4440 }
4441
4442 int
4443 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4444                                  uint16_t *nb_rx_desc,
4445                                  uint16_t *nb_tx_desc)
4446 {
4447         struct rte_eth_dev_info dev_info;
4448         int ret;
4449
4450         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4451
4452         ret = rte_eth_dev_info_get(port_id, &dev_info);
4453         if (ret != 0)
4454                 return ret;
4455
4456         if (nb_rx_desc != NULL)
4457                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4458
4459         if (nb_tx_desc != NULL)
4460                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4461
4462         return 0;
4463 }
4464
4465 int
4466 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4467 {
4468         struct rte_eth_dev *dev;
4469
4470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4471
4472         if (pool == NULL)
4473                 return -EINVAL;
4474
4475         dev = &rte_eth_devices[port_id];
4476
4477         if (*dev->dev_ops->pool_ops_supported == NULL)
4478                 return 1; /* all pools are supported */
4479
4480         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4481 }
4482
4483 /**
4484  * A set of values to describe the possible states of a switch domain.
4485  */
4486 enum rte_eth_switch_domain_state {
4487         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4488         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4489 };
4490
4491 /**
4492  * Array of switch domains available for allocation. Array is sized to
4493  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4494  * ethdev ports in a single process.
4495  */
4496 static struct rte_eth_dev_switch {
4497         enum rte_eth_switch_domain_state state;
4498 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4499
4500 int
4501 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4502 {
4503         unsigned int i;
4504
4505         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4506
4507         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4508                 i < RTE_MAX_ETHPORTS; i++) {
4509                 if (rte_eth_switch_domains[i].state ==
4510                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4511                         rte_eth_switch_domains[i].state =
4512                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4513                         *domain_id = i;
4514                         return 0;
4515                 }
4516         }
4517
4518         return -ENOSPC;
4519 }
4520
4521 int
4522 rte_eth_switch_domain_free(uint16_t domain_id)
4523 {
4524         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4525                 domain_id >= RTE_MAX_ETHPORTS)
4526                 return -EINVAL;
4527
4528         if (rte_eth_switch_domains[domain_id].state !=
4529                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4530                 return -EINVAL;
4531
4532         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4533
4534         return 0;
4535 }
4536
4537 static int
4538 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4539 {
4540         int state;
4541         struct rte_kvargs_pair *pair;
4542         char *letter;
4543
4544         arglist->str = strdup(str_in);
4545         if (arglist->str == NULL)
4546                 return -ENOMEM;
4547
4548         letter = arglist->str;
4549         state = 0;
4550         arglist->count = 0;
4551         pair = &arglist->pairs[0];
4552         while (1) {
4553                 switch (state) {
4554                 case 0: /* Initial */
4555                         if (*letter == '=')
4556                                 return -EINVAL;
4557                         else if (*letter == '\0')
4558                                 return 0;
4559
4560                         state = 1;
4561                         pair->key = letter;
4562                         /* fall-thru */
4563
4564                 case 1: /* Parsing key */
4565                         if (*letter == '=') {
4566                                 *letter = '\0';
4567                                 pair->value = letter + 1;
4568                                 state = 2;
4569                         } else if (*letter == ',' || *letter == '\0')
4570                                 return -EINVAL;
4571                         break;
4572
4573
4574                 case 2: /* Parsing value */
4575                         if (*letter == '[')
4576                                 state = 3;
4577                         else if (*letter == ',') {
4578                                 *letter = '\0';
4579                                 arglist->count++;
4580                                 pair = &arglist->pairs[arglist->count];
4581                                 state = 0;
4582                         } else if (*letter == '\0') {
4583                                 letter--;
4584                                 arglist->count++;
4585                                 pair = &arglist->pairs[arglist->count];
4586                                 state = 0;
4587                         }
4588                         break;
4589
4590                 case 3: /* Parsing list */
4591                         if (*letter == ']')
4592                                 state = 2;
4593                         else if (*letter == '\0')
4594                                 return -EINVAL;
4595                         break;
4596                 }
4597                 letter++;
4598         }
4599 }
4600
4601 int
4602 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4603 {
4604         struct rte_kvargs args;
4605         struct rte_kvargs_pair *pair;
4606         unsigned int i;
4607         int result = 0;
4608
4609         memset(eth_da, 0, sizeof(*eth_da));
4610
4611         result = rte_eth_devargs_tokenise(&args, dargs);
4612         if (result < 0)
4613                 goto parse_cleanup;
4614
4615         for (i = 0; i < args.count; i++) {
4616                 pair = &args.pairs[i];
4617                 if (strcmp("representor", pair->key) == 0) {
4618                         result = rte_eth_devargs_parse_list(pair->value,
4619                                 rte_eth_devargs_parse_representor_ports,
4620                                 eth_da);
4621                         if (result < 0)
4622                                 goto parse_cleanup;
4623                 }
4624         }
4625
4626 parse_cleanup:
4627         if (args.str)
4628                 free(args.str);
4629
4630         return result;
4631 }
4632
4633 RTE_INIT(ethdev_init_log)
4634 {
4635         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4636         if (rte_eth_dev_logtype >= 0)
4637                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4638 }