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         int ret;
2043
2044         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2045         dev = &rte_eth_devices[port_id];
2046
2047         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2048         ret = (*dev->dev_ops->stats_reset)(dev);
2049         if (ret != 0)
2050                 return eth_err(port_id, ret);
2051
2052         dev->data->rx_mbuf_alloc_failed = 0;
2053
2054         return 0;
2055 }
2056
2057 static inline int
2058 get_xstats_basic_count(struct rte_eth_dev *dev)
2059 {
2060         uint16_t nb_rxqs, nb_txqs;
2061         int count;
2062
2063         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2064         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2065
2066         count = RTE_NB_STATS;
2067         count += nb_rxqs * RTE_NB_RXQ_STATS;
2068         count += nb_txqs * RTE_NB_TXQ_STATS;
2069
2070         return count;
2071 }
2072
2073 static int
2074 get_xstats_count(uint16_t port_id)
2075 {
2076         struct rte_eth_dev *dev;
2077         int count;
2078
2079         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2080         dev = &rte_eth_devices[port_id];
2081         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2082                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2083                                 NULL, 0);
2084                 if (count < 0)
2085                         return eth_err(port_id, count);
2086         }
2087         if (dev->dev_ops->xstats_get_names != NULL) {
2088                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2089                 if (count < 0)
2090                         return eth_err(port_id, count);
2091         } else
2092                 count = 0;
2093
2094
2095         count += get_xstats_basic_count(dev);
2096
2097         return count;
2098 }
2099
2100 int
2101 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2102                 uint64_t *id)
2103 {
2104         int cnt_xstats, idx_xstat;
2105
2106         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2107
2108         if (!id) {
2109                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2110                 return -ENOMEM;
2111         }
2112
2113         if (!xstat_name) {
2114                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2115                 return -ENOMEM;
2116         }
2117
2118         /* Get count */
2119         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2120         if (cnt_xstats  < 0) {
2121                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2122                 return -ENODEV;
2123         }
2124
2125         /* Get id-name lookup table */
2126         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2127
2128         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2129                         port_id, xstats_names, cnt_xstats, NULL)) {
2130                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2131                 return -1;
2132         }
2133
2134         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2135                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2136                         *id = idx_xstat;
2137                         return 0;
2138                 };
2139         }
2140
2141         return -EINVAL;
2142 }
2143
2144 /* retrieve basic stats names */
2145 static int
2146 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2147         struct rte_eth_xstat_name *xstats_names)
2148 {
2149         int cnt_used_entries = 0;
2150         uint32_t idx, id_queue;
2151         uint16_t num_q;
2152
2153         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2154                 strlcpy(xstats_names[cnt_used_entries].name,
2155                         rte_stats_strings[idx].name,
2156                         sizeof(xstats_names[0].name));
2157                 cnt_used_entries++;
2158         }
2159         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2160         for (id_queue = 0; id_queue < num_q; id_queue++) {
2161                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2162                         snprintf(xstats_names[cnt_used_entries].name,
2163                                 sizeof(xstats_names[0].name),
2164                                 "rx_q%u%s",
2165                                 id_queue, rte_rxq_stats_strings[idx].name);
2166                         cnt_used_entries++;
2167                 }
2168
2169         }
2170         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2171         for (id_queue = 0; id_queue < num_q; id_queue++) {
2172                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2173                         snprintf(xstats_names[cnt_used_entries].name,
2174                                 sizeof(xstats_names[0].name),
2175                                 "tx_q%u%s",
2176                                 id_queue, rte_txq_stats_strings[idx].name);
2177                         cnt_used_entries++;
2178                 }
2179         }
2180         return cnt_used_entries;
2181 }
2182
2183 /* retrieve ethdev extended statistics names */
2184 int
2185 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2186         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2187         uint64_t *ids)
2188 {
2189         struct rte_eth_xstat_name *xstats_names_copy;
2190         unsigned int no_basic_stat_requested = 1;
2191         unsigned int no_ext_stat_requested = 1;
2192         unsigned int expected_entries;
2193         unsigned int basic_count;
2194         struct rte_eth_dev *dev;
2195         unsigned int i;
2196         int ret;
2197
2198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2199         dev = &rte_eth_devices[port_id];
2200
2201         basic_count = get_xstats_basic_count(dev);
2202         ret = get_xstats_count(port_id);
2203         if (ret < 0)
2204                 return ret;
2205         expected_entries = (unsigned int)ret;
2206
2207         /* Return max number of stats if no ids given */
2208         if (!ids) {
2209                 if (!xstats_names)
2210                         return expected_entries;
2211                 else if (xstats_names && size < expected_entries)
2212                         return expected_entries;
2213         }
2214
2215         if (ids && !xstats_names)
2216                 return -EINVAL;
2217
2218         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2219                 uint64_t ids_copy[size];
2220
2221                 for (i = 0; i < size; i++) {
2222                         if (ids[i] < basic_count) {
2223                                 no_basic_stat_requested = 0;
2224                                 break;
2225                         }
2226
2227                         /*
2228                          * Convert ids to xstats ids that PMD knows.
2229                          * ids known by user are basic + extended stats.
2230                          */
2231                         ids_copy[i] = ids[i] - basic_count;
2232                 }
2233
2234                 if (no_basic_stat_requested)
2235                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2236                                         xstats_names, ids_copy, size);
2237         }
2238
2239         /* Retrieve all stats */
2240         if (!ids) {
2241                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2242                                 expected_entries);
2243                 if (num_stats < 0 || num_stats > (int)expected_entries)
2244                         return num_stats;
2245                 else
2246                         return expected_entries;
2247         }
2248
2249         xstats_names_copy = calloc(expected_entries,
2250                 sizeof(struct rte_eth_xstat_name));
2251
2252         if (!xstats_names_copy) {
2253                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2254                 return -ENOMEM;
2255         }
2256
2257         if (ids) {
2258                 for (i = 0; i < size; i++) {
2259                         if (ids[i] >= basic_count) {
2260                                 no_ext_stat_requested = 0;
2261                                 break;
2262                         }
2263                 }
2264         }
2265
2266         /* Fill xstats_names_copy structure */
2267         if (ids && no_ext_stat_requested) {
2268                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2269         } else {
2270                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2271                         expected_entries);
2272                 if (ret < 0) {
2273                         free(xstats_names_copy);
2274                         return ret;
2275                 }
2276         }
2277
2278         /* Filter stats */
2279         for (i = 0; i < size; i++) {
2280                 if (ids[i] >= expected_entries) {
2281                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2282                         free(xstats_names_copy);
2283                         return -1;
2284                 }
2285                 xstats_names[i] = xstats_names_copy[ids[i]];
2286         }
2287
2288         free(xstats_names_copy);
2289         return size;
2290 }
2291
2292 int
2293 rte_eth_xstats_get_names(uint16_t port_id,
2294         struct rte_eth_xstat_name *xstats_names,
2295         unsigned int size)
2296 {
2297         struct rte_eth_dev *dev;
2298         int cnt_used_entries;
2299         int cnt_expected_entries;
2300         int cnt_driver_entries;
2301
2302         cnt_expected_entries = get_xstats_count(port_id);
2303         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2304                         (int)size < cnt_expected_entries)
2305                 return cnt_expected_entries;
2306
2307         /* port_id checked in get_xstats_count() */
2308         dev = &rte_eth_devices[port_id];
2309
2310         cnt_used_entries = rte_eth_basic_stats_get_names(
2311                 dev, xstats_names);
2312
2313         if (dev->dev_ops->xstats_get_names != NULL) {
2314                 /* If there are any driver-specific xstats, append them
2315                  * to end of list.
2316                  */
2317                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2318                         dev,
2319                         xstats_names + cnt_used_entries,
2320                         size - cnt_used_entries);
2321                 if (cnt_driver_entries < 0)
2322                         return eth_err(port_id, cnt_driver_entries);
2323                 cnt_used_entries += cnt_driver_entries;
2324         }
2325
2326         return cnt_used_entries;
2327 }
2328
2329
2330 static int
2331 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2332 {
2333         struct rte_eth_dev *dev;
2334         struct rte_eth_stats eth_stats;
2335         unsigned int count = 0, i, q;
2336         uint64_t val, *stats_ptr;
2337         uint16_t nb_rxqs, nb_txqs;
2338         int ret;
2339
2340         ret = rte_eth_stats_get(port_id, &eth_stats);
2341         if (ret < 0)
2342                 return ret;
2343
2344         dev = &rte_eth_devices[port_id];
2345
2346         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2347         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2348
2349         /* global stats */
2350         for (i = 0; i < RTE_NB_STATS; i++) {
2351                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2352                                         rte_stats_strings[i].offset);
2353                 val = *stats_ptr;
2354                 xstats[count++].value = val;
2355         }
2356
2357         /* per-rxq stats */
2358         for (q = 0; q < nb_rxqs; q++) {
2359                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2360                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2361                                         rte_rxq_stats_strings[i].offset +
2362                                         q * sizeof(uint64_t));
2363                         val = *stats_ptr;
2364                         xstats[count++].value = val;
2365                 }
2366         }
2367
2368         /* per-txq stats */
2369         for (q = 0; q < nb_txqs; q++) {
2370                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2371                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2372                                         rte_txq_stats_strings[i].offset +
2373                                         q * sizeof(uint64_t));
2374                         val = *stats_ptr;
2375                         xstats[count++].value = val;
2376                 }
2377         }
2378         return count;
2379 }
2380
2381 /* retrieve ethdev extended statistics */
2382 int
2383 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2384                          uint64_t *values, unsigned int size)
2385 {
2386         unsigned int no_basic_stat_requested = 1;
2387         unsigned int no_ext_stat_requested = 1;
2388         unsigned int num_xstats_filled;
2389         unsigned int basic_count;
2390         uint16_t expected_entries;
2391         struct rte_eth_dev *dev;
2392         unsigned int i;
2393         int ret;
2394
2395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2396         ret = get_xstats_count(port_id);
2397         if (ret < 0)
2398                 return ret;
2399         expected_entries = (uint16_t)ret;
2400         struct rte_eth_xstat xstats[expected_entries];
2401         dev = &rte_eth_devices[port_id];
2402         basic_count = get_xstats_basic_count(dev);
2403
2404         /* Return max number of stats if no ids given */
2405         if (!ids) {
2406                 if (!values)
2407                         return expected_entries;
2408                 else if (values && size < expected_entries)
2409                         return expected_entries;
2410         }
2411
2412         if (ids && !values)
2413                 return -EINVAL;
2414
2415         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2416                 unsigned int basic_count = get_xstats_basic_count(dev);
2417                 uint64_t ids_copy[size];
2418
2419                 for (i = 0; i < size; i++) {
2420                         if (ids[i] < basic_count) {
2421                                 no_basic_stat_requested = 0;
2422                                 break;
2423                         }
2424
2425                         /*
2426                          * Convert ids to xstats ids that PMD knows.
2427                          * ids known by user are basic + extended stats.
2428                          */
2429                         ids_copy[i] = ids[i] - basic_count;
2430                 }
2431
2432                 if (no_basic_stat_requested)
2433                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2434                                         values, size);
2435         }
2436
2437         if (ids) {
2438                 for (i = 0; i < size; i++) {
2439                         if (ids[i] >= basic_count) {
2440                                 no_ext_stat_requested = 0;
2441                                 break;
2442                         }
2443                 }
2444         }
2445
2446         /* Fill the xstats structure */
2447         if (ids && no_ext_stat_requested)
2448                 ret = rte_eth_basic_stats_get(port_id, xstats);
2449         else
2450                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2451
2452         if (ret < 0)
2453                 return ret;
2454         num_xstats_filled = (unsigned int)ret;
2455
2456         /* Return all stats */
2457         if (!ids) {
2458                 for (i = 0; i < num_xstats_filled; i++)
2459                         values[i] = xstats[i].value;
2460                 return expected_entries;
2461         }
2462
2463         /* Filter stats */
2464         for (i = 0; i < size; i++) {
2465                 if (ids[i] >= expected_entries) {
2466                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2467                         return -1;
2468                 }
2469                 values[i] = xstats[ids[i]].value;
2470         }
2471         return size;
2472 }
2473
2474 int
2475 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2476         unsigned int n)
2477 {
2478         struct rte_eth_dev *dev;
2479         unsigned int count = 0, i;
2480         signed int xcount = 0;
2481         uint16_t nb_rxqs, nb_txqs;
2482         int ret;
2483
2484         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2485
2486         dev = &rte_eth_devices[port_id];
2487
2488         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2489         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2490
2491         /* Return generic statistics */
2492         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2493                 (nb_txqs * RTE_NB_TXQ_STATS);
2494
2495         /* implemented by the driver */
2496         if (dev->dev_ops->xstats_get != NULL) {
2497                 /* Retrieve the xstats from the driver at the end of the
2498                  * xstats struct.
2499                  */
2500                 xcount = (*dev->dev_ops->xstats_get)(dev,
2501                                      xstats ? xstats + count : NULL,
2502                                      (n > count) ? n - count : 0);
2503
2504                 if (xcount < 0)
2505                         return eth_err(port_id, xcount);
2506         }
2507
2508         if (n < count + xcount || xstats == NULL)
2509                 return count + xcount;
2510
2511         /* now fill the xstats structure */
2512         ret = rte_eth_basic_stats_get(port_id, xstats);
2513         if (ret < 0)
2514                 return ret;
2515         count = ret;
2516
2517         for (i = 0; i < count; i++)
2518                 xstats[i].id = i;
2519         /* add an offset to driver-specific stats */
2520         for ( ; i < count + xcount; i++)
2521                 xstats[i].id += count;
2522
2523         return count + xcount;
2524 }
2525
2526 /* reset ethdev extended statistics */
2527 int
2528 rte_eth_xstats_reset(uint16_t port_id)
2529 {
2530         struct rte_eth_dev *dev;
2531
2532         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2533         dev = &rte_eth_devices[port_id];
2534
2535         /* implemented by the driver */
2536         if (dev->dev_ops->xstats_reset != NULL)
2537                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2538
2539         /* fallback to default */
2540         return rte_eth_stats_reset(port_id);
2541 }
2542
2543 static int
2544 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2545                 uint8_t is_rx)
2546 {
2547         struct rte_eth_dev *dev;
2548
2549         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2550
2551         dev = &rte_eth_devices[port_id];
2552
2553         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2554
2555         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2556                 return -EINVAL;
2557
2558         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2559                 return -EINVAL;
2560
2561         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2562                 return -EINVAL;
2563
2564         return (*dev->dev_ops->queue_stats_mapping_set)
2565                         (dev, queue_id, stat_idx, is_rx);
2566 }
2567
2568
2569 int
2570 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2571                 uint8_t stat_idx)
2572 {
2573         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2574                                                 stat_idx, STAT_QMAP_TX));
2575 }
2576
2577
2578 int
2579 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2580                 uint8_t stat_idx)
2581 {
2582         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2583                                                 stat_idx, STAT_QMAP_RX));
2584 }
2585
2586 int
2587 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2588 {
2589         struct rte_eth_dev *dev;
2590
2591         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2592         dev = &rte_eth_devices[port_id];
2593
2594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2595         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2596                                                         fw_version, fw_size));
2597 }
2598
2599 int
2600 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2601 {
2602         struct rte_eth_dev *dev;
2603         const struct rte_eth_desc_lim lim = {
2604                 .nb_max = UINT16_MAX,
2605                 .nb_min = 0,
2606                 .nb_align = 1,
2607                 .nb_seg_max = UINT16_MAX,
2608                 .nb_mtu_seg_max = UINT16_MAX,
2609         };
2610         int diag;
2611
2612         /*
2613          * Init dev_info before port_id check since caller does not have
2614          * return status and does not know if get is successful or not.
2615          */
2616         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2617
2618         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2619         dev = &rte_eth_devices[port_id];
2620
2621         dev_info->rx_desc_lim = lim;
2622         dev_info->tx_desc_lim = lim;
2623         dev_info->device = dev->device;
2624         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2625         dev_info->max_mtu = UINT16_MAX;
2626
2627         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2628         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2629         if (diag != 0) {
2630                 /* Cleanup already filled in device information */
2631                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2632                 return eth_err(port_id, diag);
2633         }
2634
2635         dev_info->driver_name = dev->device->driver->name;
2636         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2637         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2638
2639         dev_info->dev_flags = &dev->data->dev_flags;
2640
2641         return 0;
2642 }
2643
2644 int
2645 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2646                                  uint32_t *ptypes, int num)
2647 {
2648         int i, j;
2649         struct rte_eth_dev *dev;
2650         const uint32_t *all_ptypes;
2651
2652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2653         dev = &rte_eth_devices[port_id];
2654         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2655         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2656
2657         if (!all_ptypes)
2658                 return 0;
2659
2660         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2661                 if (all_ptypes[i] & ptype_mask) {
2662                         if (j < num)
2663                                 ptypes[j] = all_ptypes[i];
2664                         j++;
2665                 }
2666
2667         return j;
2668 }
2669
2670 void
2671 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2672 {
2673         struct rte_eth_dev *dev;
2674
2675         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2676         dev = &rte_eth_devices[port_id];
2677         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2678 }
2679
2680
2681 int
2682 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2683 {
2684         struct rte_eth_dev *dev;
2685
2686         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2687
2688         dev = &rte_eth_devices[port_id];
2689         *mtu = dev->data->mtu;
2690         return 0;
2691 }
2692
2693 int
2694 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2695 {
2696         int ret;
2697         struct rte_eth_dev_info dev_info;
2698         struct rte_eth_dev *dev;
2699
2700         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2701         dev = &rte_eth_devices[port_id];
2702         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2703
2704         /*
2705          * Check if the device supports dev_infos_get, if it does not
2706          * skip min_mtu/max_mtu validation here as this requires values
2707          * that are populated within the call to rte_eth_dev_info_get()
2708          * which relies on dev->dev_ops->dev_infos_get.
2709          */
2710         if (*dev->dev_ops->dev_infos_get != NULL) {
2711                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2712                 if (ret != 0)
2713                         return ret;
2714
2715                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2716                         return -EINVAL;
2717         }
2718
2719         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2720         if (!ret)
2721                 dev->data->mtu = mtu;
2722
2723         return eth_err(port_id, ret);
2724 }
2725
2726 int
2727 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2728 {
2729         struct rte_eth_dev *dev;
2730         int ret;
2731
2732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2733         dev = &rte_eth_devices[port_id];
2734         if (!(dev->data->dev_conf.rxmode.offloads &
2735               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2736                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2737                         port_id);
2738                 return -ENOSYS;
2739         }
2740
2741         if (vlan_id > 4095) {
2742                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2743                         port_id, vlan_id);
2744                 return -EINVAL;
2745         }
2746         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2747
2748         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2749         if (ret == 0) {
2750                 struct rte_vlan_filter_conf *vfc;
2751                 int vidx;
2752                 int vbit;
2753
2754                 vfc = &dev->data->vlan_filter_conf;
2755                 vidx = vlan_id / 64;
2756                 vbit = vlan_id % 64;
2757
2758                 if (on)
2759                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2760                 else
2761                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2762         }
2763
2764         return eth_err(port_id, ret);
2765 }
2766
2767 int
2768 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2769                                     int on)
2770 {
2771         struct rte_eth_dev *dev;
2772
2773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2774         dev = &rte_eth_devices[port_id];
2775         if (rx_queue_id >= dev->data->nb_rx_queues) {
2776                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2777                 return -EINVAL;
2778         }
2779
2780         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2781         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2782
2783         return 0;
2784 }
2785
2786 int
2787 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2788                                 enum rte_vlan_type vlan_type,
2789                                 uint16_t tpid)
2790 {
2791         struct rte_eth_dev *dev;
2792
2793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2794         dev = &rte_eth_devices[port_id];
2795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2796
2797         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2798                                                                tpid));
2799 }
2800
2801 int
2802 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2803 {
2804         struct rte_eth_dev *dev;
2805         int ret = 0;
2806         int mask = 0;
2807         int cur, org = 0;
2808         uint64_t orig_offloads;
2809         uint64_t *dev_offloads;
2810
2811         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2812         dev = &rte_eth_devices[port_id];
2813
2814         /* save original values in case of failure */
2815         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2816         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2817
2818         /*check which option changed by application*/
2819         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2820         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2821         if (cur != org) {
2822                 if (cur)
2823                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2824                 else
2825                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2826                 mask |= ETH_VLAN_STRIP_MASK;
2827         }
2828
2829         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2830         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2831         if (cur != org) {
2832                 if (cur)
2833                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2834                 else
2835                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2836                 mask |= ETH_VLAN_FILTER_MASK;
2837         }
2838
2839         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2840         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2841         if (cur != org) {
2842                 if (cur)
2843                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2844                 else
2845                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2846                 mask |= ETH_VLAN_EXTEND_MASK;
2847         }
2848
2849         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2850         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2851         if (cur != org) {
2852                 if (cur)
2853                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2854                 else
2855                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2856                 mask |= ETH_QINQ_STRIP_MASK;
2857         }
2858
2859         /*no change*/
2860         if (mask == 0)
2861                 return ret;
2862
2863         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2864         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2865         if (ret) {
2866                 /* hit an error restore  original values */
2867                 *dev_offloads = orig_offloads;
2868         }
2869
2870         return eth_err(port_id, ret);
2871 }
2872
2873 int
2874 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2875 {
2876         struct rte_eth_dev *dev;
2877         uint64_t *dev_offloads;
2878         int ret = 0;
2879
2880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2881         dev = &rte_eth_devices[port_id];
2882         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2883
2884         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2885                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2886
2887         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2888                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2889
2890         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2891                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2892
2893         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2894                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2895
2896         return ret;
2897 }
2898
2899 int
2900 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2901 {
2902         struct rte_eth_dev *dev;
2903
2904         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2905         dev = &rte_eth_devices[port_id];
2906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2907
2908         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2909 }
2910
2911 int
2912 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2913 {
2914         struct rte_eth_dev *dev;
2915
2916         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2917         dev = &rte_eth_devices[port_id];
2918         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2919         memset(fc_conf, 0, sizeof(*fc_conf));
2920         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2921 }
2922
2923 int
2924 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2925 {
2926         struct rte_eth_dev *dev;
2927
2928         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2929         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2930                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2931                 return -EINVAL;
2932         }
2933
2934         dev = &rte_eth_devices[port_id];
2935         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2936         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2937 }
2938
2939 int
2940 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2941                                    struct rte_eth_pfc_conf *pfc_conf)
2942 {
2943         struct rte_eth_dev *dev;
2944
2945         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2946         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2947                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2948                 return -EINVAL;
2949         }
2950
2951         dev = &rte_eth_devices[port_id];
2952         /* High water, low water validation are device specific */
2953         if  (*dev->dev_ops->priority_flow_ctrl_set)
2954                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2955                                         (dev, pfc_conf));
2956         return -ENOTSUP;
2957 }
2958
2959 static int
2960 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2961                         uint16_t reta_size)
2962 {
2963         uint16_t i, num;
2964
2965         if (!reta_conf)
2966                 return -EINVAL;
2967
2968         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2969         for (i = 0; i < num; i++) {
2970                 if (reta_conf[i].mask)
2971                         return 0;
2972         }
2973
2974         return -EINVAL;
2975 }
2976
2977 static int
2978 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2979                          uint16_t reta_size,
2980                          uint16_t max_rxq)
2981 {
2982         uint16_t i, idx, shift;
2983
2984         if (!reta_conf)
2985                 return -EINVAL;
2986
2987         if (max_rxq == 0) {
2988                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2989                 return -EINVAL;
2990         }
2991
2992         for (i = 0; i < reta_size; i++) {
2993                 idx = i / RTE_RETA_GROUP_SIZE;
2994                 shift = i % RTE_RETA_GROUP_SIZE;
2995                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2996                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2997                         RTE_ETHDEV_LOG(ERR,
2998                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2999                                 idx, shift,
3000                                 reta_conf[idx].reta[shift], max_rxq);
3001                         return -EINVAL;
3002                 }
3003         }
3004
3005         return 0;
3006 }
3007
3008 int
3009 rte_eth_dev_rss_reta_update(uint16_t port_id,
3010                             struct rte_eth_rss_reta_entry64 *reta_conf,
3011                             uint16_t reta_size)
3012 {
3013         struct rte_eth_dev *dev;
3014         int ret;
3015
3016         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3017         /* Check mask bits */
3018         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3019         if (ret < 0)
3020                 return ret;
3021
3022         dev = &rte_eth_devices[port_id];
3023
3024         /* Check entry value */
3025         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3026                                 dev->data->nb_rx_queues);
3027         if (ret < 0)
3028                 return ret;
3029
3030         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3031         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3032                                                              reta_size));
3033 }
3034
3035 int
3036 rte_eth_dev_rss_reta_query(uint16_t port_id,
3037                            struct rte_eth_rss_reta_entry64 *reta_conf,
3038                            uint16_t reta_size)
3039 {
3040         struct rte_eth_dev *dev;
3041         int ret;
3042
3043         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3044
3045         /* Check mask bits */
3046         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3047         if (ret < 0)
3048                 return ret;
3049
3050         dev = &rte_eth_devices[port_id];
3051         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3052         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3053                                                             reta_size));
3054 }
3055
3056 int
3057 rte_eth_dev_rss_hash_update(uint16_t port_id,
3058                             struct rte_eth_rss_conf *rss_conf)
3059 {
3060         struct rte_eth_dev *dev;
3061         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3062         int ret;
3063
3064         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3065
3066         ret = rte_eth_dev_info_get(port_id, &dev_info);
3067         if (ret != 0)
3068                 return ret;
3069
3070         dev = &rte_eth_devices[port_id];
3071         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3072             dev_info.flow_type_rss_offloads) {
3073                 RTE_ETHDEV_LOG(ERR,
3074                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3075                         port_id, rss_conf->rss_hf,
3076                         dev_info.flow_type_rss_offloads);
3077                 return -EINVAL;
3078         }
3079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3080         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3081                                                                  rss_conf));
3082 }
3083
3084 int
3085 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3086                               struct rte_eth_rss_conf *rss_conf)
3087 {
3088         struct rte_eth_dev *dev;
3089
3090         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3091         dev = &rte_eth_devices[port_id];
3092         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3093         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3094                                                                    rss_conf));
3095 }
3096
3097 int
3098 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3099                                 struct rte_eth_udp_tunnel *udp_tunnel)
3100 {
3101         struct rte_eth_dev *dev;
3102
3103         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3104         if (udp_tunnel == NULL) {
3105                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3106                 return -EINVAL;
3107         }
3108
3109         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3110                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3111                 return -EINVAL;
3112         }
3113
3114         dev = &rte_eth_devices[port_id];
3115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3116         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3117                                                                 udp_tunnel));
3118 }
3119
3120 int
3121 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3122                                    struct rte_eth_udp_tunnel *udp_tunnel)
3123 {
3124         struct rte_eth_dev *dev;
3125
3126         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3127         dev = &rte_eth_devices[port_id];
3128
3129         if (udp_tunnel == NULL) {
3130                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3131                 return -EINVAL;
3132         }
3133
3134         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3135                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3136                 return -EINVAL;
3137         }
3138
3139         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3140         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3141                                                                 udp_tunnel));
3142 }
3143
3144 int
3145 rte_eth_led_on(uint16_t port_id)
3146 {
3147         struct rte_eth_dev *dev;
3148
3149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3150         dev = &rte_eth_devices[port_id];
3151         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3152         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3153 }
3154
3155 int
3156 rte_eth_led_off(uint16_t port_id)
3157 {
3158         struct rte_eth_dev *dev;
3159
3160         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3161         dev = &rte_eth_devices[port_id];
3162         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3163         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3164 }
3165
3166 /*
3167  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3168  * an empty spot.
3169  */
3170 static int
3171 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3172 {
3173         struct rte_eth_dev_info dev_info;
3174         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3175         unsigned i;
3176         int ret;
3177
3178         ret = rte_eth_dev_info_get(port_id, &dev_info);
3179         if (ret != 0)
3180                 return -1;
3181
3182         for (i = 0; i < dev_info.max_mac_addrs; i++)
3183                 if (memcmp(addr, &dev->data->mac_addrs[i],
3184                                 RTE_ETHER_ADDR_LEN) == 0)
3185                         return i;
3186
3187         return -1;
3188 }
3189
3190 static const struct rte_ether_addr null_mac_addr;
3191
3192 int
3193 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3194                         uint32_t pool)
3195 {
3196         struct rte_eth_dev *dev;
3197         int index;
3198         uint64_t pool_mask;
3199         int ret;
3200
3201         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3202         dev = &rte_eth_devices[port_id];
3203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3204
3205         if (rte_is_zero_ether_addr(addr)) {
3206                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3207                         port_id);
3208                 return -EINVAL;
3209         }
3210         if (pool >= ETH_64_POOLS) {
3211                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3212                 return -EINVAL;
3213         }
3214
3215         index = get_mac_addr_index(port_id, addr);
3216         if (index < 0) {
3217                 index = get_mac_addr_index(port_id, &null_mac_addr);
3218                 if (index < 0) {
3219                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3220                                 port_id);
3221                         return -ENOSPC;
3222                 }
3223         } else {
3224                 pool_mask = dev->data->mac_pool_sel[index];
3225
3226                 /* Check if both MAC address and pool is already there, and do nothing */
3227                 if (pool_mask & (1ULL << pool))
3228                         return 0;
3229         }
3230
3231         /* Update NIC */
3232         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3233
3234         if (ret == 0) {
3235                 /* Update address in NIC data structure */
3236                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3237
3238                 /* Update pool bitmap in NIC data structure */
3239                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3240         }
3241
3242         return eth_err(port_id, ret);
3243 }
3244
3245 int
3246 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3247 {
3248         struct rte_eth_dev *dev;
3249         int index;
3250
3251         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3252         dev = &rte_eth_devices[port_id];
3253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3254
3255         index = get_mac_addr_index(port_id, addr);
3256         if (index == 0) {
3257                 RTE_ETHDEV_LOG(ERR,
3258                         "Port %u: Cannot remove default MAC address\n",
3259                         port_id);
3260                 return -EADDRINUSE;
3261         } else if (index < 0)
3262                 return 0;  /* Do nothing if address wasn't found */
3263
3264         /* Update NIC */
3265         (*dev->dev_ops->mac_addr_remove)(dev, index);
3266
3267         /* Update address in NIC data structure */
3268         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3269
3270         /* reset pool bitmap */
3271         dev->data->mac_pool_sel[index] = 0;
3272
3273         return 0;
3274 }
3275
3276 int
3277 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3278 {
3279         struct rte_eth_dev *dev;
3280         int ret;
3281
3282         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3283
3284         if (!rte_is_valid_assigned_ether_addr(addr))
3285                 return -EINVAL;
3286
3287         dev = &rte_eth_devices[port_id];
3288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3289
3290         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3291         if (ret < 0)
3292                 return ret;
3293
3294         /* Update default address in NIC data structure */
3295         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3296
3297         return 0;
3298 }
3299
3300
3301 /*
3302  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3303  * an empty spot.
3304  */
3305 static int
3306 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3307 {
3308         struct rte_eth_dev_info dev_info;
3309         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3310         unsigned i;
3311         int ret;
3312
3313         ret = rte_eth_dev_info_get(port_id, &dev_info);
3314         if (ret != 0)
3315                 return -1;
3316
3317         if (!dev->data->hash_mac_addrs)
3318                 return -1;
3319
3320         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3321                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3322                         RTE_ETHER_ADDR_LEN) == 0)
3323                         return i;
3324
3325         return -1;
3326 }
3327
3328 int
3329 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3330                                 uint8_t on)
3331 {
3332         int index;
3333         int ret;
3334         struct rte_eth_dev *dev;
3335
3336         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3337
3338         dev = &rte_eth_devices[port_id];
3339         if (rte_is_zero_ether_addr(addr)) {
3340                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3341                         port_id);
3342                 return -EINVAL;
3343         }
3344
3345         index = get_hash_mac_addr_index(port_id, addr);
3346         /* Check if it's already there, and do nothing */
3347         if ((index >= 0) && on)
3348                 return 0;
3349
3350         if (index < 0) {
3351                 if (!on) {
3352                         RTE_ETHDEV_LOG(ERR,
3353                                 "Port %u: the MAC address was not set in UTA\n",
3354                                 port_id);
3355                         return -EINVAL;
3356                 }
3357
3358                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3359                 if (index < 0) {
3360                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3361                                 port_id);
3362                         return -ENOSPC;
3363                 }
3364         }
3365
3366         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3367         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3368         if (ret == 0) {
3369                 /* Update address in NIC data structure */
3370                 if (on)
3371                         rte_ether_addr_copy(addr,
3372                                         &dev->data->hash_mac_addrs[index]);
3373                 else
3374                         rte_ether_addr_copy(&null_mac_addr,
3375                                         &dev->data->hash_mac_addrs[index]);
3376         }
3377
3378         return eth_err(port_id, ret);
3379 }
3380
3381 int
3382 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3383 {
3384         struct rte_eth_dev *dev;
3385
3386         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3387
3388         dev = &rte_eth_devices[port_id];
3389
3390         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3391         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3392                                                                        on));
3393 }
3394
3395 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3396                                         uint16_t tx_rate)
3397 {
3398         struct rte_eth_dev *dev;
3399         struct rte_eth_dev_info dev_info;
3400         struct rte_eth_link link;
3401         int ret;
3402
3403         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3404
3405         ret = rte_eth_dev_info_get(port_id, &dev_info);
3406         if (ret != 0)
3407                 return ret;
3408
3409         dev = &rte_eth_devices[port_id];
3410         link = dev->data->dev_link;
3411
3412         if (queue_idx > dev_info.max_tx_queues) {
3413                 RTE_ETHDEV_LOG(ERR,
3414                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3415                         port_id, queue_idx);
3416                 return -EINVAL;
3417         }
3418
3419         if (tx_rate > link.link_speed) {
3420                 RTE_ETHDEV_LOG(ERR,
3421                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3422                         tx_rate, link.link_speed);
3423                 return -EINVAL;
3424         }
3425
3426         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3427         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3428                                                         queue_idx, tx_rate));
3429 }
3430
3431 int
3432 rte_eth_mirror_rule_set(uint16_t port_id,
3433                         struct rte_eth_mirror_conf *mirror_conf,
3434                         uint8_t rule_id, uint8_t on)
3435 {
3436         struct rte_eth_dev *dev;
3437
3438         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3439         if (mirror_conf->rule_type == 0) {
3440                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3441                 return -EINVAL;
3442         }
3443
3444         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3445                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3446                         ETH_64_POOLS - 1);
3447                 return -EINVAL;
3448         }
3449
3450         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3451              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3452             (mirror_conf->pool_mask == 0)) {
3453                 RTE_ETHDEV_LOG(ERR,
3454                         "Invalid mirror pool, pool mask can not be 0\n");
3455                 return -EINVAL;
3456         }
3457
3458         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3459             mirror_conf->vlan.vlan_mask == 0) {
3460                 RTE_ETHDEV_LOG(ERR,
3461                         "Invalid vlan mask, vlan mask can not be 0\n");
3462                 return -EINVAL;
3463         }
3464
3465         dev = &rte_eth_devices[port_id];
3466         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3467
3468         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3469                                                 mirror_conf, rule_id, on));
3470 }
3471
3472 int
3473 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3474 {
3475         struct rte_eth_dev *dev;
3476
3477         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3478
3479         dev = &rte_eth_devices[port_id];
3480         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3481
3482         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3483                                                                    rule_id));
3484 }
3485
3486 RTE_INIT(eth_dev_init_cb_lists)
3487 {
3488         int i;
3489
3490         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3491                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3492 }
3493
3494 int
3495 rte_eth_dev_callback_register(uint16_t port_id,
3496                         enum rte_eth_event_type event,
3497                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3498 {
3499         struct rte_eth_dev *dev;
3500         struct rte_eth_dev_callback *user_cb;
3501         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3502         uint16_t last_port;
3503
3504         if (!cb_fn)
3505                 return -EINVAL;
3506
3507         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3508                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3509                 return -EINVAL;
3510         }
3511
3512         if (port_id == RTE_ETH_ALL) {
3513                 next_port = 0;
3514                 last_port = RTE_MAX_ETHPORTS - 1;
3515         } else {
3516                 next_port = last_port = port_id;
3517         }
3518
3519         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3520
3521         do {
3522                 dev = &rte_eth_devices[next_port];
3523
3524                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3525                         if (user_cb->cb_fn == cb_fn &&
3526                                 user_cb->cb_arg == cb_arg &&
3527                                 user_cb->event == event) {
3528                                 break;
3529                         }
3530                 }
3531
3532                 /* create a new callback. */
3533                 if (user_cb == NULL) {
3534                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3535                                 sizeof(struct rte_eth_dev_callback), 0);
3536                         if (user_cb != NULL) {
3537                                 user_cb->cb_fn = cb_fn;
3538                                 user_cb->cb_arg = cb_arg;
3539                                 user_cb->event = event;
3540                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3541                                                   user_cb, next);
3542                         } else {
3543                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3544                                 rte_eth_dev_callback_unregister(port_id, event,
3545                                                                 cb_fn, cb_arg);
3546                                 return -ENOMEM;
3547                         }
3548
3549                 }
3550         } while (++next_port <= last_port);
3551
3552         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3553         return 0;
3554 }
3555
3556 int
3557 rte_eth_dev_callback_unregister(uint16_t port_id,
3558                         enum rte_eth_event_type event,
3559                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3560 {
3561         int ret;
3562         struct rte_eth_dev *dev;
3563         struct rte_eth_dev_callback *cb, *next;
3564         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3565         uint16_t last_port;
3566
3567         if (!cb_fn)
3568                 return -EINVAL;
3569
3570         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3571                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3572                 return -EINVAL;
3573         }
3574
3575         if (port_id == RTE_ETH_ALL) {
3576                 next_port = 0;
3577                 last_port = RTE_MAX_ETHPORTS - 1;
3578         } else {
3579                 next_port = last_port = port_id;
3580         }
3581
3582         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3583
3584         do {
3585                 dev = &rte_eth_devices[next_port];
3586                 ret = 0;
3587                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3588                      cb = next) {
3589
3590                         next = TAILQ_NEXT(cb, next);
3591
3592                         if (cb->cb_fn != cb_fn || cb->event != event ||
3593                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3594                                 continue;
3595
3596                         /*
3597                          * if this callback is not executing right now,
3598                          * then remove it.
3599                          */
3600                         if (cb->active == 0) {
3601                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3602                                 rte_free(cb);
3603                         } else {
3604                                 ret = -EAGAIN;
3605                         }
3606                 }
3607         } while (++next_port <= last_port);
3608
3609         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3610         return ret;
3611 }
3612
3613 int
3614 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3615         enum rte_eth_event_type event, void *ret_param)
3616 {
3617         struct rte_eth_dev_callback *cb_lst;
3618         struct rte_eth_dev_callback dev_cb;
3619         int rc = 0;
3620
3621         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3622         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3623                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3624                         continue;
3625                 dev_cb = *cb_lst;
3626                 cb_lst->active = 1;
3627                 if (ret_param != NULL)
3628                         dev_cb.ret_param = ret_param;
3629
3630                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3631                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3632                                 dev_cb.cb_arg, dev_cb.ret_param);
3633                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3634                 cb_lst->active = 0;
3635         }
3636         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3637         return rc;
3638 }
3639
3640 void
3641 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3642 {
3643         if (dev == NULL)
3644                 return;
3645
3646         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3647
3648         dev->state = RTE_ETH_DEV_ATTACHED;
3649 }
3650
3651 int
3652 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3653 {
3654         uint32_t vec;
3655         struct rte_eth_dev *dev;
3656         struct rte_intr_handle *intr_handle;
3657         uint16_t qid;
3658         int rc;
3659
3660         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3661
3662         dev = &rte_eth_devices[port_id];
3663
3664         if (!dev->intr_handle) {
3665                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3666                 return -ENOTSUP;
3667         }
3668
3669         intr_handle = dev->intr_handle;
3670         if (!intr_handle->intr_vec) {
3671                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3672                 return -EPERM;
3673         }
3674
3675         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3676                 vec = intr_handle->intr_vec[qid];
3677                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3678                 if (rc && rc != -EEXIST) {
3679                         RTE_ETHDEV_LOG(ERR,
3680                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3681                                 port_id, qid, op, epfd, vec);
3682                 }
3683         }
3684
3685         return 0;
3686 }
3687
3688 int
3689 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3690 {
3691         struct rte_intr_handle *intr_handle;
3692         struct rte_eth_dev *dev;
3693         unsigned int efd_idx;
3694         uint32_t vec;
3695         int fd;
3696
3697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3698
3699         dev = &rte_eth_devices[port_id];
3700
3701         if (queue_id >= dev->data->nb_rx_queues) {
3702                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3703                 return -1;
3704         }
3705
3706         if (!dev->intr_handle) {
3707                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3708                 return -1;
3709         }
3710
3711         intr_handle = dev->intr_handle;
3712         if (!intr_handle->intr_vec) {
3713                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3714                 return -1;
3715         }
3716
3717         vec = intr_handle->intr_vec[queue_id];
3718         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3719                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3720         fd = intr_handle->efds[efd_idx];
3721
3722         return fd;
3723 }
3724
3725 const struct rte_memzone *
3726 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3727                          uint16_t queue_id, size_t size, unsigned align,
3728                          int socket_id)
3729 {
3730         char z_name[RTE_MEMZONE_NAMESIZE];
3731         const struct rte_memzone *mz;
3732         int rc;
3733
3734         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3735                       dev->data->port_id, queue_id, ring_name);
3736         if (rc >= RTE_MEMZONE_NAMESIZE) {
3737                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3738                 rte_errno = ENAMETOOLONG;
3739                 return NULL;
3740         }
3741
3742         mz = rte_memzone_lookup(z_name);
3743         if (mz)
3744                 return mz;
3745
3746         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3747                         RTE_MEMZONE_IOVA_CONTIG, align);
3748 }
3749
3750 int
3751 rte_eth_dev_create(struct rte_device *device, const char *name,
3752         size_t priv_data_size,
3753         ethdev_bus_specific_init ethdev_bus_specific_init,
3754         void *bus_init_params,
3755         ethdev_init_t ethdev_init, void *init_params)
3756 {
3757         struct rte_eth_dev *ethdev;
3758         int retval;
3759
3760         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3761
3762         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3763                 ethdev = rte_eth_dev_allocate(name);
3764                 if (!ethdev)
3765                         return -ENODEV;
3766
3767                 if (priv_data_size) {
3768                         ethdev->data->dev_private = rte_zmalloc_socket(
3769                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3770                                 device->numa_node);
3771
3772                         if (!ethdev->data->dev_private) {
3773                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3774                                 retval = -ENOMEM;
3775                                 goto probe_failed;
3776                         }
3777                 }
3778         } else {
3779                 ethdev = rte_eth_dev_attach_secondary(name);
3780                 if (!ethdev) {
3781                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3782                                 "ethdev doesn't exist");
3783                         return  -ENODEV;
3784                 }
3785         }
3786
3787         ethdev->device = device;
3788
3789         if (ethdev_bus_specific_init) {
3790                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3791                 if (retval) {
3792                         RTE_LOG(ERR, EAL,
3793                                 "ethdev bus specific initialisation failed");
3794                         goto probe_failed;
3795                 }
3796         }
3797
3798         retval = ethdev_init(ethdev, init_params);
3799         if (retval) {
3800                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3801                 goto probe_failed;
3802         }
3803
3804         rte_eth_dev_probing_finish(ethdev);
3805
3806         return retval;
3807
3808 probe_failed:
3809         rte_eth_dev_release_port(ethdev);
3810         return retval;
3811 }
3812
3813 int
3814 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3815         ethdev_uninit_t ethdev_uninit)
3816 {
3817         int ret;
3818
3819         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3820         if (!ethdev)
3821                 return -ENODEV;
3822
3823         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3824
3825         ret = ethdev_uninit(ethdev);
3826         if (ret)
3827                 return ret;
3828
3829         return rte_eth_dev_release_port(ethdev);
3830 }
3831
3832 int
3833 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3834                           int epfd, int op, void *data)
3835 {
3836         uint32_t vec;
3837         struct rte_eth_dev *dev;
3838         struct rte_intr_handle *intr_handle;
3839         int rc;
3840
3841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3842
3843         dev = &rte_eth_devices[port_id];
3844         if (queue_id >= dev->data->nb_rx_queues) {
3845                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3846                 return -EINVAL;
3847         }
3848
3849         if (!dev->intr_handle) {
3850                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3851                 return -ENOTSUP;
3852         }
3853
3854         intr_handle = dev->intr_handle;
3855         if (!intr_handle->intr_vec) {
3856                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3857                 return -EPERM;
3858         }
3859
3860         vec = intr_handle->intr_vec[queue_id];
3861         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3862         if (rc && rc != -EEXIST) {
3863                 RTE_ETHDEV_LOG(ERR,
3864                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3865                         port_id, queue_id, op, epfd, vec);
3866                 return rc;
3867         }
3868
3869         return 0;
3870 }
3871
3872 int
3873 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3874                            uint16_t queue_id)
3875 {
3876         struct rte_eth_dev *dev;
3877
3878         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3879
3880         dev = &rte_eth_devices[port_id];
3881
3882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3883         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3884                                                                 queue_id));
3885 }
3886
3887 int
3888 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3889                             uint16_t queue_id)
3890 {
3891         struct rte_eth_dev *dev;
3892
3893         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3894
3895         dev = &rte_eth_devices[port_id];
3896
3897         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3898         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3899                                                                 queue_id));
3900 }
3901
3902
3903 int
3904 rte_eth_dev_filter_supported(uint16_t port_id,
3905                              enum rte_filter_type filter_type)
3906 {
3907         struct rte_eth_dev *dev;
3908
3909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3910
3911         dev = &rte_eth_devices[port_id];
3912         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3913         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3914                                 RTE_ETH_FILTER_NOP, NULL);
3915 }
3916
3917 int
3918 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3919                         enum rte_filter_op filter_op, void *arg)
3920 {
3921         struct rte_eth_dev *dev;
3922
3923         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3924
3925         dev = &rte_eth_devices[port_id];
3926         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3927         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3928                                                              filter_op, arg));
3929 }
3930
3931 const struct rte_eth_rxtx_callback *
3932 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3933                 rte_rx_callback_fn fn, void *user_param)
3934 {
3935 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3936         rte_errno = ENOTSUP;
3937         return NULL;
3938 #endif
3939         /* check input parameters */
3940         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3941                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3942                 rte_errno = EINVAL;
3943                 return NULL;
3944         }
3945         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3946
3947         if (cb == NULL) {
3948                 rte_errno = ENOMEM;
3949                 return NULL;
3950         }
3951
3952         cb->fn.rx = fn;
3953         cb->param = user_param;
3954
3955         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3956         /* Add the callbacks in fifo order. */
3957         struct rte_eth_rxtx_callback *tail =
3958                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3959
3960         if (!tail) {
3961                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3962
3963         } else {
3964                 while (tail->next)
3965                         tail = tail->next;
3966                 tail->next = cb;
3967         }
3968         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3969
3970         return cb;
3971 }
3972
3973 const struct rte_eth_rxtx_callback *
3974 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3975                 rte_rx_callback_fn fn, void *user_param)
3976 {
3977 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3978         rte_errno = ENOTSUP;
3979         return NULL;
3980 #endif
3981         /* check input parameters */
3982         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3983                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3984                 rte_errno = EINVAL;
3985                 return NULL;
3986         }
3987
3988         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3989
3990         if (cb == NULL) {
3991                 rte_errno = ENOMEM;
3992                 return NULL;
3993         }
3994
3995         cb->fn.rx = fn;
3996         cb->param = user_param;
3997
3998         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3999         /* Add the callbacks at fisrt position*/
4000         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4001         rte_smp_wmb();
4002         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4003         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4004
4005         return cb;
4006 }
4007
4008 const struct rte_eth_rxtx_callback *
4009 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4010                 rte_tx_callback_fn fn, void *user_param)
4011 {
4012 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4013         rte_errno = ENOTSUP;
4014         return NULL;
4015 #endif
4016         /* check input parameters */
4017         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4018                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4019                 rte_errno = EINVAL;
4020                 return NULL;
4021         }
4022
4023         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4024
4025         if (cb == NULL) {
4026                 rte_errno = ENOMEM;
4027                 return NULL;
4028         }
4029
4030         cb->fn.tx = fn;
4031         cb->param = user_param;
4032
4033         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4034         /* Add the callbacks in fifo order. */
4035         struct rte_eth_rxtx_callback *tail =
4036                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4037
4038         if (!tail) {
4039                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4040
4041         } else {
4042                 while (tail->next)
4043                         tail = tail->next;
4044                 tail->next = cb;
4045         }
4046         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4047
4048         return cb;
4049 }
4050
4051 int
4052 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4053                 const struct rte_eth_rxtx_callback *user_cb)
4054 {
4055 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4056         return -ENOTSUP;
4057 #endif
4058         /* Check input parameters. */
4059         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4060         if (user_cb == NULL ||
4061                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4062                 return -EINVAL;
4063
4064         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4065         struct rte_eth_rxtx_callback *cb;
4066         struct rte_eth_rxtx_callback **prev_cb;
4067         int ret = -EINVAL;
4068
4069         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4070         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4071         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4072                 cb = *prev_cb;
4073                 if (cb == user_cb) {
4074                         /* Remove the user cb from the callback list. */
4075                         *prev_cb = cb->next;
4076                         ret = 0;
4077                         break;
4078                 }
4079         }
4080         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4081
4082         return ret;
4083 }
4084
4085 int
4086 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4087                 const struct rte_eth_rxtx_callback *user_cb)
4088 {
4089 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4090         return -ENOTSUP;
4091 #endif
4092         /* Check input parameters. */
4093         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4094         if (user_cb == NULL ||
4095                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4096                 return -EINVAL;
4097
4098         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4099         int ret = -EINVAL;
4100         struct rte_eth_rxtx_callback *cb;
4101         struct rte_eth_rxtx_callback **prev_cb;
4102
4103         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4104         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4105         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4106                 cb = *prev_cb;
4107                 if (cb == user_cb) {
4108                         /* Remove the user cb from the callback list. */
4109                         *prev_cb = cb->next;
4110                         ret = 0;
4111                         break;
4112                 }
4113         }
4114         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4115
4116         return ret;
4117 }
4118
4119 int
4120 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4121         struct rte_eth_rxq_info *qinfo)
4122 {
4123         struct rte_eth_dev *dev;
4124
4125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4126
4127         if (qinfo == NULL)
4128                 return -EINVAL;
4129
4130         dev = &rte_eth_devices[port_id];
4131         if (queue_id >= dev->data->nb_rx_queues) {
4132                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4133                 return -EINVAL;
4134         }
4135
4136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4137
4138         memset(qinfo, 0, sizeof(*qinfo));
4139         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4140         return 0;
4141 }
4142
4143 int
4144 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4145         struct rte_eth_txq_info *qinfo)
4146 {
4147         struct rte_eth_dev *dev;
4148
4149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4150
4151         if (qinfo == NULL)
4152                 return -EINVAL;
4153
4154         dev = &rte_eth_devices[port_id];
4155         if (queue_id >= dev->data->nb_tx_queues) {
4156                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4157                 return -EINVAL;
4158         }
4159
4160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4161
4162         memset(qinfo, 0, sizeof(*qinfo));
4163         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4164
4165         return 0;
4166 }
4167
4168 int
4169 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4170                              struct rte_ether_addr *mc_addr_set,
4171                              uint32_t nb_mc_addr)
4172 {
4173         struct rte_eth_dev *dev;
4174
4175         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4176
4177         dev = &rte_eth_devices[port_id];
4178         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4179         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4180                                                 mc_addr_set, nb_mc_addr));
4181 }
4182
4183 int
4184 rte_eth_timesync_enable(uint16_t port_id)
4185 {
4186         struct rte_eth_dev *dev;
4187
4188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4189         dev = &rte_eth_devices[port_id];
4190
4191         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4192         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4193 }
4194
4195 int
4196 rte_eth_timesync_disable(uint16_t port_id)
4197 {
4198         struct rte_eth_dev *dev;
4199
4200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4201         dev = &rte_eth_devices[port_id];
4202
4203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4204         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4205 }
4206
4207 int
4208 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4209                                    uint32_t flags)
4210 {
4211         struct rte_eth_dev *dev;
4212
4213         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4214         dev = &rte_eth_devices[port_id];
4215
4216         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4217         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4218                                 (dev, timestamp, flags));
4219 }
4220
4221 int
4222 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4223                                    struct timespec *timestamp)
4224 {
4225         struct rte_eth_dev *dev;
4226
4227         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4228         dev = &rte_eth_devices[port_id];
4229
4230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4231         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4232                                 (dev, timestamp));
4233 }
4234
4235 int
4236 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4237 {
4238         struct rte_eth_dev *dev;
4239
4240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4241         dev = &rte_eth_devices[port_id];
4242
4243         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4244         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4245                                                                       delta));
4246 }
4247
4248 int
4249 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4250 {
4251         struct rte_eth_dev *dev;
4252
4253         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4254         dev = &rte_eth_devices[port_id];
4255
4256         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4257         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4258                                                                 timestamp));
4259 }
4260
4261 int
4262 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4263 {
4264         struct rte_eth_dev *dev;
4265
4266         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4267         dev = &rte_eth_devices[port_id];
4268
4269         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4270         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4271                                                                 timestamp));
4272 }
4273
4274 int
4275 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4276 {
4277         struct rte_eth_dev *dev;
4278
4279         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4280         dev = &rte_eth_devices[port_id];
4281
4282         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4283         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4284 }
4285
4286 int
4287 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4288 {
4289         struct rte_eth_dev *dev;
4290
4291         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4292
4293         dev = &rte_eth_devices[port_id];
4294         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4295         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4296 }
4297
4298 int
4299 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4300 {
4301         struct rte_eth_dev *dev;
4302
4303         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4304
4305         dev = &rte_eth_devices[port_id];
4306         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4307         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4308 }
4309
4310 int
4311 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4312 {
4313         struct rte_eth_dev *dev;
4314
4315         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4316
4317         dev = &rte_eth_devices[port_id];
4318         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4319         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4320 }
4321
4322 int
4323 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4324 {
4325         struct rte_eth_dev *dev;
4326
4327         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4328
4329         dev = &rte_eth_devices[port_id];
4330         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4331         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4332 }
4333
4334 int
4335 rte_eth_dev_get_module_info(uint16_t port_id,
4336                             struct rte_eth_dev_module_info *modinfo)
4337 {
4338         struct rte_eth_dev *dev;
4339
4340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4341
4342         dev = &rte_eth_devices[port_id];
4343         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4344         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4345 }
4346
4347 int
4348 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4349                               struct rte_dev_eeprom_info *info)
4350 {
4351         struct rte_eth_dev *dev;
4352
4353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4354
4355         dev = &rte_eth_devices[port_id];
4356         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4357         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4358 }
4359
4360 int
4361 rte_eth_dev_get_dcb_info(uint16_t port_id,
4362                              struct rte_eth_dcb_info *dcb_info)
4363 {
4364         struct rte_eth_dev *dev;
4365
4366         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4367
4368         dev = &rte_eth_devices[port_id];
4369         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4370
4371         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4372         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4373 }
4374
4375 int
4376 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4377                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4378 {
4379         struct rte_eth_dev *dev;
4380
4381         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4382         if (l2_tunnel == NULL) {
4383                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4384                 return -EINVAL;
4385         }
4386
4387         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4388                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4389                 return -EINVAL;
4390         }
4391
4392         dev = &rte_eth_devices[port_id];
4393         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4394                                 -ENOTSUP);
4395         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4396                                                                 l2_tunnel));
4397 }
4398
4399 int
4400 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4401                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4402                                   uint32_t mask,
4403                                   uint8_t en)
4404 {
4405         struct rte_eth_dev *dev;
4406
4407         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4408
4409         if (l2_tunnel == NULL) {
4410                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4411                 return -EINVAL;
4412         }
4413
4414         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4415                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4416                 return -EINVAL;
4417         }
4418
4419         if (mask == 0) {
4420                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4421                 return -EINVAL;
4422         }
4423
4424         dev = &rte_eth_devices[port_id];
4425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4426                                 -ENOTSUP);
4427         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4428                                                         l2_tunnel, mask, en));
4429 }
4430
4431 static void
4432 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4433                            const struct rte_eth_desc_lim *desc_lim)
4434 {
4435         if (desc_lim->nb_align != 0)
4436                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4437
4438         if (desc_lim->nb_max != 0)
4439                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4440
4441         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4442 }
4443
4444 int
4445 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4446                                  uint16_t *nb_rx_desc,
4447                                  uint16_t *nb_tx_desc)
4448 {
4449         struct rte_eth_dev_info dev_info;
4450         int ret;
4451
4452         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4453
4454         ret = rte_eth_dev_info_get(port_id, &dev_info);
4455         if (ret != 0)
4456                 return ret;
4457
4458         if (nb_rx_desc != NULL)
4459                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4460
4461         if (nb_tx_desc != NULL)
4462                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4463
4464         return 0;
4465 }
4466
4467 int
4468 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4469 {
4470         struct rte_eth_dev *dev;
4471
4472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4473
4474         if (pool == NULL)
4475                 return -EINVAL;
4476
4477         dev = &rte_eth_devices[port_id];
4478
4479         if (*dev->dev_ops->pool_ops_supported == NULL)
4480                 return 1; /* all pools are supported */
4481
4482         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4483 }
4484
4485 /**
4486  * A set of values to describe the possible states of a switch domain.
4487  */
4488 enum rte_eth_switch_domain_state {
4489         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4490         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4491 };
4492
4493 /**
4494  * Array of switch domains available for allocation. Array is sized to
4495  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4496  * ethdev ports in a single process.
4497  */
4498 static struct rte_eth_dev_switch {
4499         enum rte_eth_switch_domain_state state;
4500 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4501
4502 int
4503 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4504 {
4505         unsigned int i;
4506
4507         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4508
4509         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4510                 i < RTE_MAX_ETHPORTS; i++) {
4511                 if (rte_eth_switch_domains[i].state ==
4512                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4513                         rte_eth_switch_domains[i].state =
4514                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4515                         *domain_id = i;
4516                         return 0;
4517                 }
4518         }
4519
4520         return -ENOSPC;
4521 }
4522
4523 int
4524 rte_eth_switch_domain_free(uint16_t domain_id)
4525 {
4526         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4527                 domain_id >= RTE_MAX_ETHPORTS)
4528                 return -EINVAL;
4529
4530         if (rte_eth_switch_domains[domain_id].state !=
4531                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4532                 return -EINVAL;
4533
4534         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4535
4536         return 0;
4537 }
4538
4539 static int
4540 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4541 {
4542         int state;
4543         struct rte_kvargs_pair *pair;
4544         char *letter;
4545
4546         arglist->str = strdup(str_in);
4547         if (arglist->str == NULL)
4548                 return -ENOMEM;
4549
4550         letter = arglist->str;
4551         state = 0;
4552         arglist->count = 0;
4553         pair = &arglist->pairs[0];
4554         while (1) {
4555                 switch (state) {
4556                 case 0: /* Initial */
4557                         if (*letter == '=')
4558                                 return -EINVAL;
4559                         else if (*letter == '\0')
4560                                 return 0;
4561
4562                         state = 1;
4563                         pair->key = letter;
4564                         /* fall-thru */
4565
4566                 case 1: /* Parsing key */
4567                         if (*letter == '=') {
4568                                 *letter = '\0';
4569                                 pair->value = letter + 1;
4570                                 state = 2;
4571                         } else if (*letter == ',' || *letter == '\0')
4572                                 return -EINVAL;
4573                         break;
4574
4575
4576                 case 2: /* Parsing value */
4577                         if (*letter == '[')
4578                                 state = 3;
4579                         else if (*letter == ',') {
4580                                 *letter = '\0';
4581                                 arglist->count++;
4582                                 pair = &arglist->pairs[arglist->count];
4583                                 state = 0;
4584                         } else if (*letter == '\0') {
4585                                 letter--;
4586                                 arglist->count++;
4587                                 pair = &arglist->pairs[arglist->count];
4588                                 state = 0;
4589                         }
4590                         break;
4591
4592                 case 3: /* Parsing list */
4593                         if (*letter == ']')
4594                                 state = 2;
4595                         else if (*letter == '\0')
4596                                 return -EINVAL;
4597                         break;
4598                 }
4599                 letter++;
4600         }
4601 }
4602
4603 int
4604 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4605 {
4606         struct rte_kvargs args;
4607         struct rte_kvargs_pair *pair;
4608         unsigned int i;
4609         int result = 0;
4610
4611         memset(eth_da, 0, sizeof(*eth_da));
4612
4613         result = rte_eth_devargs_tokenise(&args, dargs);
4614         if (result < 0)
4615                 goto parse_cleanup;
4616
4617         for (i = 0; i < args.count; i++) {
4618                 pair = &args.pairs[i];
4619                 if (strcmp("representor", pair->key) == 0) {
4620                         result = rte_eth_devargs_parse_list(pair->value,
4621                                 rte_eth_devargs_parse_representor_ports,
4622                                 eth_da);
4623                         if (result < 0)
4624                                 goto parse_cleanup;
4625                 }
4626         }
4627
4628 parse_cleanup:
4629         if (args.str)
4630                 free(args.str);
4631
4632         return result;
4633 }
4634
4635 RTE_INIT(ethdev_init_log)
4636 {
4637         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4638         if (rte_eth_dev_logtype >= 0)
4639                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4640 }