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 __rte_experimental
 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 __rte_experimental
 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 __rte_experimental
 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 __rte_experimental
 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 __rte_experimental
 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_infos_get, -ENOTSUP);
1129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1130
1131         if (dev->data->dev_started) {
1132                 RTE_ETHDEV_LOG(ERR,
1133                         "Port %u must be stopped to allow configuration\n",
1134                         port_id);
1135                 return -EBUSY;
1136         }
1137
1138          /* Store original config, as rollback required on failure */
1139         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1140
1141         /*
1142          * Copy the dev_conf parameter into the dev structure.
1143          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1144          */
1145         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1146
1147         rte_eth_dev_info_get(port_id, &dev_info);
1148
1149         /* If number of queues specified by application for both Rx and Tx is
1150          * zero, use driver preferred values. This cannot be done individually
1151          * as it is valid for either Tx or Rx (but not both) to be zero.
1152          * If driver does not provide any preferred valued, fall back on
1153          * EAL defaults.
1154          */
1155         if (nb_rx_q == 0 && nb_tx_q == 0) {
1156                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1157                 if (nb_rx_q == 0)
1158                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1159                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1160                 if (nb_tx_q == 0)
1161                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1162         }
1163
1164         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1165                 RTE_ETHDEV_LOG(ERR,
1166                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1167                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1168                 ret = -EINVAL;
1169                 goto rollback;
1170         }
1171
1172         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1173                 RTE_ETHDEV_LOG(ERR,
1174                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1175                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1176                 ret = -EINVAL;
1177                 goto rollback;
1178         }
1179
1180         /*
1181          * Check that the numbers of RX and TX queues are not greater
1182          * than the maximum number of RX and TX queues supported by the
1183          * configured device.
1184          */
1185         if (nb_rx_q > dev_info.max_rx_queues) {
1186                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1187                         port_id, nb_rx_q, dev_info.max_rx_queues);
1188                 ret = -EINVAL;
1189                 goto rollback;
1190         }
1191
1192         if (nb_tx_q > dev_info.max_tx_queues) {
1193                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1194                         port_id, nb_tx_q, dev_info.max_tx_queues);
1195                 ret = -EINVAL;
1196                 goto rollback;
1197         }
1198
1199         /* Check that the device supports requested interrupts */
1200         if ((dev_conf->intr_conf.lsc == 1) &&
1201                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1202                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1203                         dev->device->driver->name);
1204                 ret = -EINVAL;
1205                 goto rollback;
1206         }
1207         if ((dev_conf->intr_conf.rmv == 1) &&
1208                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1209                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1210                         dev->device->driver->name);
1211                 ret = -EINVAL;
1212                 goto rollback;
1213         }
1214
1215         /*
1216          * If jumbo frames are enabled, check that the maximum RX packet
1217          * length is supported by the configured device.
1218          */
1219         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1220                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1221                         RTE_ETHDEV_LOG(ERR,
1222                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1223                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1224                                 dev_info.max_rx_pktlen);
1225                         ret = -EINVAL;
1226                         goto rollback;
1227                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1228                         RTE_ETHDEV_LOG(ERR,
1229                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1230                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1231                                 (unsigned int)RTE_ETHER_MIN_LEN);
1232                         ret = -EINVAL;
1233                         goto rollback;
1234                 }
1235         } else {
1236                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1237                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1238                         /* Use default value */
1239                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1240                                                         RTE_ETHER_MAX_LEN;
1241         }
1242
1243         /* Any requested offloading must be within its device capabilities */
1244         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1245              dev_conf->rxmode.offloads) {
1246                 RTE_ETHDEV_LOG(ERR,
1247                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1248                         "capabilities 0x%"PRIx64" in %s()\n",
1249                         port_id, dev_conf->rxmode.offloads,
1250                         dev_info.rx_offload_capa,
1251                         __func__);
1252                 ret = -EINVAL;
1253                 goto rollback;
1254         }
1255         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1256              dev_conf->txmode.offloads) {
1257                 RTE_ETHDEV_LOG(ERR,
1258                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1259                         "capabilities 0x%"PRIx64" in %s()\n",
1260                         port_id, dev_conf->txmode.offloads,
1261                         dev_info.tx_offload_capa,
1262                         __func__);
1263                 ret = -EINVAL;
1264                 goto rollback;
1265         }
1266
1267         /* Check that device supports requested rss hash functions. */
1268         if ((dev_info.flow_type_rss_offloads |
1269              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1270             dev_info.flow_type_rss_offloads) {
1271                 RTE_ETHDEV_LOG(ERR,
1272                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1273                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1274                         dev_info.flow_type_rss_offloads);
1275                 ret = -EINVAL;
1276                 goto rollback;
1277         }
1278
1279         /*
1280          * Setup new number of RX/TX queues and reconfigure device.
1281          */
1282         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1283         if (diag != 0) {
1284                 RTE_ETHDEV_LOG(ERR,
1285                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1286                         port_id, diag);
1287                 ret = diag;
1288                 goto rollback;
1289         }
1290
1291         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1292         if (diag != 0) {
1293                 RTE_ETHDEV_LOG(ERR,
1294                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1295                         port_id, diag);
1296                 rte_eth_dev_rx_queue_config(dev, 0);
1297                 ret = diag;
1298                 goto rollback;
1299         }
1300
1301         diag = (*dev->dev_ops->dev_configure)(dev);
1302         if (diag != 0) {
1303                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1304                         port_id, diag);
1305                 rte_eth_dev_rx_queue_config(dev, 0);
1306                 rte_eth_dev_tx_queue_config(dev, 0);
1307                 ret = eth_err(port_id, diag);
1308                 goto rollback;
1309         }
1310
1311         /* Initialize Rx profiling if enabled at compilation time. */
1312         diag = __rte_eth_dev_profile_init(port_id, dev);
1313         if (diag != 0) {
1314                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1315                         port_id, diag);
1316                 rte_eth_dev_rx_queue_config(dev, 0);
1317                 rte_eth_dev_tx_queue_config(dev, 0);
1318                 ret = eth_err(port_id, diag);
1319                 goto rollback;
1320         }
1321
1322         return 0;
1323
1324 rollback:
1325         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1326
1327         return ret;
1328 }
1329
1330 void
1331 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1332 {
1333         if (dev->data->dev_started) {
1334                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1335                         dev->data->port_id);
1336                 return;
1337         }
1338
1339         rte_eth_dev_rx_queue_config(dev, 0);
1340         rte_eth_dev_tx_queue_config(dev, 0);
1341
1342         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1343 }
1344
1345 static void
1346 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1347                         struct rte_eth_dev_info *dev_info)
1348 {
1349         struct rte_ether_addr *addr;
1350         uint16_t i;
1351         uint32_t pool = 0;
1352         uint64_t pool_mask;
1353
1354         /* replay MAC address configuration including default MAC */
1355         addr = &dev->data->mac_addrs[0];
1356         if (*dev->dev_ops->mac_addr_set != NULL)
1357                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1358         else if (*dev->dev_ops->mac_addr_add != NULL)
1359                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1360
1361         if (*dev->dev_ops->mac_addr_add != NULL) {
1362                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1363                         addr = &dev->data->mac_addrs[i];
1364
1365                         /* skip zero address */
1366                         if (rte_is_zero_ether_addr(addr))
1367                                 continue;
1368
1369                         pool = 0;
1370                         pool_mask = dev->data->mac_pool_sel[i];
1371
1372                         do {
1373                                 if (pool_mask & 1ULL)
1374                                         (*dev->dev_ops->mac_addr_add)(dev,
1375                                                 addr, i, pool);
1376                                 pool_mask >>= 1;
1377                                 pool++;
1378                         } while (pool_mask);
1379                 }
1380         }
1381 }
1382
1383 static void
1384 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1385                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1386 {
1387         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1388                 rte_eth_dev_mac_restore(dev, dev_info);
1389
1390         /* replay promiscuous configuration */
1391         if (rte_eth_promiscuous_get(port_id) == 1)
1392                 rte_eth_promiscuous_enable(port_id);
1393         else if (rte_eth_promiscuous_get(port_id) == 0)
1394                 rte_eth_promiscuous_disable(port_id);
1395
1396         /* replay all multicast configuration */
1397         if (rte_eth_allmulticast_get(port_id) == 1)
1398                 rte_eth_allmulticast_enable(port_id);
1399         else if (rte_eth_allmulticast_get(port_id) == 0)
1400                 rte_eth_allmulticast_disable(port_id);
1401 }
1402
1403 int
1404 rte_eth_dev_start(uint16_t port_id)
1405 {
1406         struct rte_eth_dev *dev;
1407         struct rte_eth_dev_info dev_info;
1408         int diag;
1409
1410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1411
1412         dev = &rte_eth_devices[port_id];
1413
1414         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1415
1416         if (dev->data->dev_started != 0) {
1417                 RTE_ETHDEV_LOG(INFO,
1418                         "Device with port_id=%"PRIu16" already started\n",
1419                         port_id);
1420                 return 0;
1421         }
1422
1423         rte_eth_dev_info_get(port_id, &dev_info);
1424
1425         /* Lets restore MAC now if device does not support live change */
1426         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1427                 rte_eth_dev_mac_restore(dev, &dev_info);
1428
1429         diag = (*dev->dev_ops->dev_start)(dev);
1430         if (diag == 0)
1431                 dev->data->dev_started = 1;
1432         else
1433                 return eth_err(port_id, diag);
1434
1435         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1436
1437         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1438                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1439                 (*dev->dev_ops->link_update)(dev, 0);
1440         }
1441         return 0;
1442 }
1443
1444 void
1445 rte_eth_dev_stop(uint16_t port_id)
1446 {
1447         struct rte_eth_dev *dev;
1448
1449         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1450         dev = &rte_eth_devices[port_id];
1451
1452         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1453
1454         if (dev->data->dev_started == 0) {
1455                 RTE_ETHDEV_LOG(INFO,
1456                         "Device with port_id=%"PRIu16" already stopped\n",
1457                         port_id);
1458                 return;
1459         }
1460
1461         dev->data->dev_started = 0;
1462         (*dev->dev_ops->dev_stop)(dev);
1463 }
1464
1465 int
1466 rte_eth_dev_set_link_up(uint16_t port_id)
1467 {
1468         struct rte_eth_dev *dev;
1469
1470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1471
1472         dev = &rte_eth_devices[port_id];
1473
1474         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1475         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1476 }
1477
1478 int
1479 rte_eth_dev_set_link_down(uint16_t port_id)
1480 {
1481         struct rte_eth_dev *dev;
1482
1483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1484
1485         dev = &rte_eth_devices[port_id];
1486
1487         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1488         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1489 }
1490
1491 void
1492 rte_eth_dev_close(uint16_t port_id)
1493 {
1494         struct rte_eth_dev *dev;
1495
1496         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1497         dev = &rte_eth_devices[port_id];
1498
1499         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1500         dev->data->dev_started = 0;
1501         (*dev->dev_ops->dev_close)(dev);
1502
1503         /* check behaviour flag - temporary for PMD migration */
1504         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1505                 /* new behaviour: send event + reset state + free all data */
1506                 rte_eth_dev_release_port(dev);
1507                 return;
1508         }
1509         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1510                         "The driver %s should migrate to the new behaviour.\n",
1511                         dev->device->driver->name);
1512         /* old behaviour: only free queue arrays */
1513         dev->data->nb_rx_queues = 0;
1514         rte_free(dev->data->rx_queues);
1515         dev->data->rx_queues = NULL;
1516         dev->data->nb_tx_queues = 0;
1517         rte_free(dev->data->tx_queues);
1518         dev->data->tx_queues = NULL;
1519 }
1520
1521 int
1522 rte_eth_dev_reset(uint16_t port_id)
1523 {
1524         struct rte_eth_dev *dev;
1525         int ret;
1526
1527         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1528         dev = &rte_eth_devices[port_id];
1529
1530         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1531
1532         rte_eth_dev_stop(port_id);
1533         ret = dev->dev_ops->dev_reset(dev);
1534
1535         return eth_err(port_id, ret);
1536 }
1537
1538 int __rte_experimental
1539 rte_eth_dev_is_removed(uint16_t port_id)
1540 {
1541         struct rte_eth_dev *dev;
1542         int ret;
1543
1544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1545
1546         dev = &rte_eth_devices[port_id];
1547
1548         if (dev->state == RTE_ETH_DEV_REMOVED)
1549                 return 1;
1550
1551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1552
1553         ret = dev->dev_ops->is_removed(dev);
1554         if (ret != 0)
1555                 /* Device is physically removed. */
1556                 dev->state = RTE_ETH_DEV_REMOVED;
1557
1558         return ret;
1559 }
1560
1561 int
1562 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1563                        uint16_t nb_rx_desc, unsigned int socket_id,
1564                        const struct rte_eth_rxconf *rx_conf,
1565                        struct rte_mempool *mp)
1566 {
1567         int ret;
1568         uint32_t mbp_buf_size;
1569         struct rte_eth_dev *dev;
1570         struct rte_eth_dev_info dev_info;
1571         struct rte_eth_rxconf local_conf;
1572         void **rxq;
1573
1574         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1575
1576         dev = &rte_eth_devices[port_id];
1577         if (rx_queue_id >= dev->data->nb_rx_queues) {
1578                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1579                 return -EINVAL;
1580         }
1581
1582         if (mp == NULL) {
1583                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1584                 return -EINVAL;
1585         }
1586
1587         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1588         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1589
1590         /*
1591          * Check the size of the mbuf data buffer.
1592          * This value must be provided in the private data of the memory pool.
1593          * First check that the memory pool has a valid private data.
1594          */
1595         rte_eth_dev_info_get(port_id, &dev_info);
1596         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1597                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1598                         mp->name, (int)mp->private_data_size,
1599                         (int)sizeof(struct rte_pktmbuf_pool_private));
1600                 return -ENOSPC;
1601         }
1602         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1603
1604         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1605                 RTE_ETHDEV_LOG(ERR,
1606                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1607                         mp->name, (int)mbp_buf_size,
1608                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1609                         (int)RTE_PKTMBUF_HEADROOM,
1610                         (int)dev_info.min_rx_bufsize);
1611                 return -EINVAL;
1612         }
1613
1614         /* Use default specified by driver, if nb_rx_desc is zero */
1615         if (nb_rx_desc == 0) {
1616                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1617                 /* If driver default is also zero, fall back on EAL default */
1618                 if (nb_rx_desc == 0)
1619                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1620         }
1621
1622         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1623                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1624                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1625
1626                 RTE_ETHDEV_LOG(ERR,
1627                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1628                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1629                         dev_info.rx_desc_lim.nb_min,
1630                         dev_info.rx_desc_lim.nb_align);
1631                 return -EINVAL;
1632         }
1633
1634         if (dev->data->dev_started &&
1635                 !(dev_info.dev_capa &
1636                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1637                 return -EBUSY;
1638
1639         if (dev->data->dev_started &&
1640                 (dev->data->rx_queue_state[rx_queue_id] !=
1641                         RTE_ETH_QUEUE_STATE_STOPPED))
1642                 return -EBUSY;
1643
1644         rxq = dev->data->rx_queues;
1645         if (rxq[rx_queue_id]) {
1646                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1647                                         -ENOTSUP);
1648                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1649                 rxq[rx_queue_id] = NULL;
1650         }
1651
1652         if (rx_conf == NULL)
1653                 rx_conf = &dev_info.default_rxconf;
1654
1655         local_conf = *rx_conf;
1656
1657         /*
1658          * If an offloading has already been enabled in
1659          * rte_eth_dev_configure(), it has been enabled on all queues,
1660          * so there is no need to enable it in this queue again.
1661          * The local_conf.offloads input to underlying PMD only carries
1662          * those offloadings which are only enabled on this queue and
1663          * not enabled on all queues.
1664          */
1665         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1666
1667         /*
1668          * New added offloadings for this queue are those not enabled in
1669          * rte_eth_dev_configure() and they must be per-queue type.
1670          * A pure per-port offloading can't be enabled on a queue while
1671          * disabled on another queue. A pure per-port offloading can't
1672          * be enabled for any queue as new added one if it hasn't been
1673          * enabled in rte_eth_dev_configure().
1674          */
1675         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1676              local_conf.offloads) {
1677                 RTE_ETHDEV_LOG(ERR,
1678                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1679                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1680                         port_id, rx_queue_id, local_conf.offloads,
1681                         dev_info.rx_queue_offload_capa,
1682                         __func__);
1683                 return -EINVAL;
1684         }
1685
1686         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1687                                               socket_id, &local_conf, mp);
1688         if (!ret) {
1689                 if (!dev->data->min_rx_buf_size ||
1690                     dev->data->min_rx_buf_size > mbp_buf_size)
1691                         dev->data->min_rx_buf_size = mbp_buf_size;
1692         }
1693
1694         return eth_err(port_id, ret);
1695 }
1696
1697 int
1698 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1699                        uint16_t nb_tx_desc, unsigned int socket_id,
1700                        const struct rte_eth_txconf *tx_conf)
1701 {
1702         struct rte_eth_dev *dev;
1703         struct rte_eth_dev_info dev_info;
1704         struct rte_eth_txconf local_conf;
1705         void **txq;
1706
1707         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1708
1709         dev = &rte_eth_devices[port_id];
1710         if (tx_queue_id >= dev->data->nb_tx_queues) {
1711                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1712                 return -EINVAL;
1713         }
1714
1715         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1716         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1717
1718         rte_eth_dev_info_get(port_id, &dev_info);
1719
1720         /* Use default specified by driver, if nb_tx_desc is zero */
1721         if (nb_tx_desc == 0) {
1722                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1723                 /* If driver default is zero, fall back on EAL default */
1724                 if (nb_tx_desc == 0)
1725                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1726         }
1727         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1728             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1729             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1730                 RTE_ETHDEV_LOG(ERR,
1731                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1732                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1733                         dev_info.tx_desc_lim.nb_min,
1734                         dev_info.tx_desc_lim.nb_align);
1735                 return -EINVAL;
1736         }
1737
1738         if (dev->data->dev_started &&
1739                 !(dev_info.dev_capa &
1740                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1741                 return -EBUSY;
1742
1743         if (dev->data->dev_started &&
1744                 (dev->data->tx_queue_state[tx_queue_id] !=
1745                         RTE_ETH_QUEUE_STATE_STOPPED))
1746                 return -EBUSY;
1747
1748         txq = dev->data->tx_queues;
1749         if (txq[tx_queue_id]) {
1750                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1751                                         -ENOTSUP);
1752                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1753                 txq[tx_queue_id] = NULL;
1754         }
1755
1756         if (tx_conf == NULL)
1757                 tx_conf = &dev_info.default_txconf;
1758
1759         local_conf = *tx_conf;
1760
1761         /*
1762          * If an offloading has already been enabled in
1763          * rte_eth_dev_configure(), it has been enabled on all queues,
1764          * so there is no need to enable it in this queue again.
1765          * The local_conf.offloads input to underlying PMD only carries
1766          * those offloadings which are only enabled on this queue and
1767          * not enabled on all queues.
1768          */
1769         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1770
1771         /*
1772          * New added offloadings for this queue are those not enabled in
1773          * rte_eth_dev_configure() and they must be per-queue type.
1774          * A pure per-port offloading can't be enabled on a queue while
1775          * disabled on another queue. A pure per-port offloading can't
1776          * be enabled for any queue as new added one if it hasn't been
1777          * enabled in rte_eth_dev_configure().
1778          */
1779         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1780              local_conf.offloads) {
1781                 RTE_ETHDEV_LOG(ERR,
1782                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1783                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1784                         port_id, tx_queue_id, local_conf.offloads,
1785                         dev_info.tx_queue_offload_capa,
1786                         __func__);
1787                 return -EINVAL;
1788         }
1789
1790         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1791                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1792 }
1793
1794 void
1795 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1796                 void *userdata __rte_unused)
1797 {
1798         unsigned i;
1799
1800         for (i = 0; i < unsent; i++)
1801                 rte_pktmbuf_free(pkts[i]);
1802 }
1803
1804 void
1805 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1806                 void *userdata)
1807 {
1808         uint64_t *count = userdata;
1809         unsigned i;
1810
1811         for (i = 0; i < unsent; i++)
1812                 rte_pktmbuf_free(pkts[i]);
1813
1814         *count += unsent;
1815 }
1816
1817 int
1818 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1819                 buffer_tx_error_fn cbfn, void *userdata)
1820 {
1821         buffer->error_callback = cbfn;
1822         buffer->error_userdata = userdata;
1823         return 0;
1824 }
1825
1826 int
1827 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1828 {
1829         int ret = 0;
1830
1831         if (buffer == NULL)
1832                 return -EINVAL;
1833
1834         buffer->size = size;
1835         if (buffer->error_callback == NULL) {
1836                 ret = rte_eth_tx_buffer_set_err_callback(
1837                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1838         }
1839
1840         return ret;
1841 }
1842
1843 int
1844 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1845 {
1846         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1847         int ret;
1848
1849         /* Validate Input Data. Bail if not valid or not supported. */
1850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1851         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1852
1853         /* Call driver to free pending mbufs. */
1854         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1855                                                free_cnt);
1856         return eth_err(port_id, ret);
1857 }
1858
1859 void
1860 rte_eth_promiscuous_enable(uint16_t port_id)
1861 {
1862         struct rte_eth_dev *dev;
1863
1864         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1865         dev = &rte_eth_devices[port_id];
1866
1867         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1868         (*dev->dev_ops->promiscuous_enable)(dev);
1869         dev->data->promiscuous = 1;
1870 }
1871
1872 void
1873 rte_eth_promiscuous_disable(uint16_t port_id)
1874 {
1875         struct rte_eth_dev *dev;
1876
1877         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1878         dev = &rte_eth_devices[port_id];
1879
1880         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1881         dev->data->promiscuous = 0;
1882         (*dev->dev_ops->promiscuous_disable)(dev);
1883 }
1884
1885 int
1886 rte_eth_promiscuous_get(uint16_t port_id)
1887 {
1888         struct rte_eth_dev *dev;
1889
1890         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1891
1892         dev = &rte_eth_devices[port_id];
1893         return dev->data->promiscuous;
1894 }
1895
1896 void
1897 rte_eth_allmulticast_enable(uint16_t port_id)
1898 {
1899         struct rte_eth_dev *dev;
1900
1901         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1902         dev = &rte_eth_devices[port_id];
1903
1904         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1905         (*dev->dev_ops->allmulticast_enable)(dev);
1906         dev->data->all_multicast = 1;
1907 }
1908
1909 void
1910 rte_eth_allmulticast_disable(uint16_t port_id)
1911 {
1912         struct rte_eth_dev *dev;
1913
1914         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1915         dev = &rte_eth_devices[port_id];
1916
1917         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1918         dev->data->all_multicast = 0;
1919         (*dev->dev_ops->allmulticast_disable)(dev);
1920 }
1921
1922 int
1923 rte_eth_allmulticast_get(uint16_t port_id)
1924 {
1925         struct rte_eth_dev *dev;
1926
1927         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1928
1929         dev = &rte_eth_devices[port_id];
1930         return dev->data->all_multicast;
1931 }
1932
1933 void
1934 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1935 {
1936         struct rte_eth_dev *dev;
1937
1938         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1939         dev = &rte_eth_devices[port_id];
1940
1941         if (dev->data->dev_conf.intr_conf.lsc &&
1942             dev->data->dev_started)
1943                 rte_eth_linkstatus_get(dev, eth_link);
1944         else {
1945                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1946                 (*dev->dev_ops->link_update)(dev, 1);
1947                 *eth_link = dev->data->dev_link;
1948         }
1949 }
1950
1951 void
1952 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1953 {
1954         struct rte_eth_dev *dev;
1955
1956         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1957         dev = &rte_eth_devices[port_id];
1958
1959         if (dev->data->dev_conf.intr_conf.lsc &&
1960             dev->data->dev_started)
1961                 rte_eth_linkstatus_get(dev, eth_link);
1962         else {
1963                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1964                 (*dev->dev_ops->link_update)(dev, 0);
1965                 *eth_link = dev->data->dev_link;
1966         }
1967 }
1968
1969 int
1970 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1971 {
1972         struct rte_eth_dev *dev;
1973
1974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1975
1976         dev = &rte_eth_devices[port_id];
1977         memset(stats, 0, sizeof(*stats));
1978
1979         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1980         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1981         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1982 }
1983
1984 int
1985 rte_eth_stats_reset(uint16_t port_id)
1986 {
1987         struct rte_eth_dev *dev;
1988
1989         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1990         dev = &rte_eth_devices[port_id];
1991
1992         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1993         (*dev->dev_ops->stats_reset)(dev);
1994         dev->data->rx_mbuf_alloc_failed = 0;
1995
1996         return 0;
1997 }
1998
1999 static inline int
2000 get_xstats_basic_count(struct rte_eth_dev *dev)
2001 {
2002         uint16_t nb_rxqs, nb_txqs;
2003         int count;
2004
2005         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2006         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2007
2008         count = RTE_NB_STATS;
2009         count += nb_rxqs * RTE_NB_RXQ_STATS;
2010         count += nb_txqs * RTE_NB_TXQ_STATS;
2011
2012         return count;
2013 }
2014
2015 static int
2016 get_xstats_count(uint16_t port_id)
2017 {
2018         struct rte_eth_dev *dev;
2019         int count;
2020
2021         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2022         dev = &rte_eth_devices[port_id];
2023         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2024                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2025                                 NULL, 0);
2026                 if (count < 0)
2027                         return eth_err(port_id, count);
2028         }
2029         if (dev->dev_ops->xstats_get_names != NULL) {
2030                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2031                 if (count < 0)
2032                         return eth_err(port_id, count);
2033         } else
2034                 count = 0;
2035
2036
2037         count += get_xstats_basic_count(dev);
2038
2039         return count;
2040 }
2041
2042 int
2043 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2044                 uint64_t *id)
2045 {
2046         int cnt_xstats, idx_xstat;
2047
2048         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2049
2050         if (!id) {
2051                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2052                 return -ENOMEM;
2053         }
2054
2055         if (!xstat_name) {
2056                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2057                 return -ENOMEM;
2058         }
2059
2060         /* Get count */
2061         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2062         if (cnt_xstats  < 0) {
2063                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2064                 return -ENODEV;
2065         }
2066
2067         /* Get id-name lookup table */
2068         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2069
2070         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2071                         port_id, xstats_names, cnt_xstats, NULL)) {
2072                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2073                 return -1;
2074         }
2075
2076         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2077                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2078                         *id = idx_xstat;
2079                         return 0;
2080                 };
2081         }
2082
2083         return -EINVAL;
2084 }
2085
2086 /* retrieve basic stats names */
2087 static int
2088 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2089         struct rte_eth_xstat_name *xstats_names)
2090 {
2091         int cnt_used_entries = 0;
2092         uint32_t idx, id_queue;
2093         uint16_t num_q;
2094
2095         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2096                 strlcpy(xstats_names[cnt_used_entries].name,
2097                         rte_stats_strings[idx].name,
2098                         sizeof(xstats_names[0].name));
2099                 cnt_used_entries++;
2100         }
2101         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2102         for (id_queue = 0; id_queue < num_q; id_queue++) {
2103                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2104                         snprintf(xstats_names[cnt_used_entries].name,
2105                                 sizeof(xstats_names[0].name),
2106                                 "rx_q%u%s",
2107                                 id_queue, rte_rxq_stats_strings[idx].name);
2108                         cnt_used_entries++;
2109                 }
2110
2111         }
2112         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2113         for (id_queue = 0; id_queue < num_q; id_queue++) {
2114                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2115                         snprintf(xstats_names[cnt_used_entries].name,
2116                                 sizeof(xstats_names[0].name),
2117                                 "tx_q%u%s",
2118                                 id_queue, rte_txq_stats_strings[idx].name);
2119                         cnt_used_entries++;
2120                 }
2121         }
2122         return cnt_used_entries;
2123 }
2124
2125 /* retrieve ethdev extended statistics names */
2126 int
2127 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2128         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2129         uint64_t *ids)
2130 {
2131         struct rte_eth_xstat_name *xstats_names_copy;
2132         unsigned int no_basic_stat_requested = 1;
2133         unsigned int no_ext_stat_requested = 1;
2134         unsigned int expected_entries;
2135         unsigned int basic_count;
2136         struct rte_eth_dev *dev;
2137         unsigned int i;
2138         int ret;
2139
2140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2141         dev = &rte_eth_devices[port_id];
2142
2143         basic_count = get_xstats_basic_count(dev);
2144         ret = get_xstats_count(port_id);
2145         if (ret < 0)
2146                 return ret;
2147         expected_entries = (unsigned int)ret;
2148
2149         /* Return max number of stats if no ids given */
2150         if (!ids) {
2151                 if (!xstats_names)
2152                         return expected_entries;
2153                 else if (xstats_names && size < expected_entries)
2154                         return expected_entries;
2155         }
2156
2157         if (ids && !xstats_names)
2158                 return -EINVAL;
2159
2160         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2161                 uint64_t ids_copy[size];
2162
2163                 for (i = 0; i < size; i++) {
2164                         if (ids[i] < basic_count) {
2165                                 no_basic_stat_requested = 0;
2166                                 break;
2167                         }
2168
2169                         /*
2170                          * Convert ids to xstats ids that PMD knows.
2171                          * ids known by user are basic + extended stats.
2172                          */
2173                         ids_copy[i] = ids[i] - basic_count;
2174                 }
2175
2176                 if (no_basic_stat_requested)
2177                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2178                                         xstats_names, ids_copy, size);
2179         }
2180
2181         /* Retrieve all stats */
2182         if (!ids) {
2183                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2184                                 expected_entries);
2185                 if (num_stats < 0 || num_stats > (int)expected_entries)
2186                         return num_stats;
2187                 else
2188                         return expected_entries;
2189         }
2190
2191         xstats_names_copy = calloc(expected_entries,
2192                 sizeof(struct rte_eth_xstat_name));
2193
2194         if (!xstats_names_copy) {
2195                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2196                 return -ENOMEM;
2197         }
2198
2199         if (ids) {
2200                 for (i = 0; i < size; i++) {
2201                         if (ids[i] >= basic_count) {
2202                                 no_ext_stat_requested = 0;
2203                                 break;
2204                         }
2205                 }
2206         }
2207
2208         /* Fill xstats_names_copy structure */
2209         if (ids && no_ext_stat_requested) {
2210                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2211         } else {
2212                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2213                         expected_entries);
2214                 if (ret < 0) {
2215                         free(xstats_names_copy);
2216                         return ret;
2217                 }
2218         }
2219
2220         /* Filter stats */
2221         for (i = 0; i < size; i++) {
2222                 if (ids[i] >= expected_entries) {
2223                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2224                         free(xstats_names_copy);
2225                         return -1;
2226                 }
2227                 xstats_names[i] = xstats_names_copy[ids[i]];
2228         }
2229
2230         free(xstats_names_copy);
2231         return size;
2232 }
2233
2234 int
2235 rte_eth_xstats_get_names(uint16_t port_id,
2236         struct rte_eth_xstat_name *xstats_names,
2237         unsigned int size)
2238 {
2239         struct rte_eth_dev *dev;
2240         int cnt_used_entries;
2241         int cnt_expected_entries;
2242         int cnt_driver_entries;
2243
2244         cnt_expected_entries = get_xstats_count(port_id);
2245         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2246                         (int)size < cnt_expected_entries)
2247                 return cnt_expected_entries;
2248
2249         /* port_id checked in get_xstats_count() */
2250         dev = &rte_eth_devices[port_id];
2251
2252         cnt_used_entries = rte_eth_basic_stats_get_names(
2253                 dev, xstats_names);
2254
2255         if (dev->dev_ops->xstats_get_names != NULL) {
2256                 /* If there are any driver-specific xstats, append them
2257                  * to end of list.
2258                  */
2259                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2260                         dev,
2261                         xstats_names + cnt_used_entries,
2262                         size - cnt_used_entries);
2263                 if (cnt_driver_entries < 0)
2264                         return eth_err(port_id, cnt_driver_entries);
2265                 cnt_used_entries += cnt_driver_entries;
2266         }
2267
2268         return cnt_used_entries;
2269 }
2270
2271
2272 static int
2273 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2274 {
2275         struct rte_eth_dev *dev;
2276         struct rte_eth_stats eth_stats;
2277         unsigned int count = 0, i, q;
2278         uint64_t val, *stats_ptr;
2279         uint16_t nb_rxqs, nb_txqs;
2280         int ret;
2281
2282         ret = rte_eth_stats_get(port_id, &eth_stats);
2283         if (ret < 0)
2284                 return ret;
2285
2286         dev = &rte_eth_devices[port_id];
2287
2288         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2289         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2290
2291         /* global stats */
2292         for (i = 0; i < RTE_NB_STATS; i++) {
2293                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2294                                         rte_stats_strings[i].offset);
2295                 val = *stats_ptr;
2296                 xstats[count++].value = val;
2297         }
2298
2299         /* per-rxq stats */
2300         for (q = 0; q < nb_rxqs; q++) {
2301                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2302                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2303                                         rte_rxq_stats_strings[i].offset +
2304                                         q * sizeof(uint64_t));
2305                         val = *stats_ptr;
2306                         xstats[count++].value = val;
2307                 }
2308         }
2309
2310         /* per-txq stats */
2311         for (q = 0; q < nb_txqs; q++) {
2312                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2313                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2314                                         rte_txq_stats_strings[i].offset +
2315                                         q * sizeof(uint64_t));
2316                         val = *stats_ptr;
2317                         xstats[count++].value = val;
2318                 }
2319         }
2320         return count;
2321 }
2322
2323 /* retrieve ethdev extended statistics */
2324 int
2325 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2326                          uint64_t *values, unsigned int size)
2327 {
2328         unsigned int no_basic_stat_requested = 1;
2329         unsigned int no_ext_stat_requested = 1;
2330         unsigned int num_xstats_filled;
2331         unsigned int basic_count;
2332         uint16_t expected_entries;
2333         struct rte_eth_dev *dev;
2334         unsigned int i;
2335         int ret;
2336
2337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2338         ret = get_xstats_count(port_id);
2339         if (ret < 0)
2340                 return ret;
2341         expected_entries = (uint16_t)ret;
2342         struct rte_eth_xstat xstats[expected_entries];
2343         dev = &rte_eth_devices[port_id];
2344         basic_count = get_xstats_basic_count(dev);
2345
2346         /* Return max number of stats if no ids given */
2347         if (!ids) {
2348                 if (!values)
2349                         return expected_entries;
2350                 else if (values && size < expected_entries)
2351                         return expected_entries;
2352         }
2353
2354         if (ids && !values)
2355                 return -EINVAL;
2356
2357         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2358                 unsigned int basic_count = get_xstats_basic_count(dev);
2359                 uint64_t ids_copy[size];
2360
2361                 for (i = 0; i < size; i++) {
2362                         if (ids[i] < basic_count) {
2363                                 no_basic_stat_requested = 0;
2364                                 break;
2365                         }
2366
2367                         /*
2368                          * Convert ids to xstats ids that PMD knows.
2369                          * ids known by user are basic + extended stats.
2370                          */
2371                         ids_copy[i] = ids[i] - basic_count;
2372                 }
2373
2374                 if (no_basic_stat_requested)
2375                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2376                                         values, size);
2377         }
2378
2379         if (ids) {
2380                 for (i = 0; i < size; i++) {
2381                         if (ids[i] >= basic_count) {
2382                                 no_ext_stat_requested = 0;
2383                                 break;
2384                         }
2385                 }
2386         }
2387
2388         /* Fill the xstats structure */
2389         if (ids && no_ext_stat_requested)
2390                 ret = rte_eth_basic_stats_get(port_id, xstats);
2391         else
2392                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2393
2394         if (ret < 0)
2395                 return ret;
2396         num_xstats_filled = (unsigned int)ret;
2397
2398         /* Return all stats */
2399         if (!ids) {
2400                 for (i = 0; i < num_xstats_filled; i++)
2401                         values[i] = xstats[i].value;
2402                 return expected_entries;
2403         }
2404
2405         /* Filter stats */
2406         for (i = 0; i < size; i++) {
2407                 if (ids[i] >= expected_entries) {
2408                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2409                         return -1;
2410                 }
2411                 values[i] = xstats[ids[i]].value;
2412         }
2413         return size;
2414 }
2415
2416 int
2417 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2418         unsigned int n)
2419 {
2420         struct rte_eth_dev *dev;
2421         unsigned int count = 0, i;
2422         signed int xcount = 0;
2423         uint16_t nb_rxqs, nb_txqs;
2424         int ret;
2425
2426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2427
2428         dev = &rte_eth_devices[port_id];
2429
2430         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2431         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2432
2433         /* Return generic statistics */
2434         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2435                 (nb_txqs * RTE_NB_TXQ_STATS);
2436
2437         /* implemented by the driver */
2438         if (dev->dev_ops->xstats_get != NULL) {
2439                 /* Retrieve the xstats from the driver at the end of the
2440                  * xstats struct.
2441                  */
2442                 xcount = (*dev->dev_ops->xstats_get)(dev,
2443                                      xstats ? xstats + count : NULL,
2444                                      (n > count) ? n - count : 0);
2445
2446                 if (xcount < 0)
2447                         return eth_err(port_id, xcount);
2448         }
2449
2450         if (n < count + xcount || xstats == NULL)
2451                 return count + xcount;
2452
2453         /* now fill the xstats structure */
2454         ret = rte_eth_basic_stats_get(port_id, xstats);
2455         if (ret < 0)
2456                 return ret;
2457         count = ret;
2458
2459         for (i = 0; i < count; i++)
2460                 xstats[i].id = i;
2461         /* add an offset to driver-specific stats */
2462         for ( ; i < count + xcount; i++)
2463                 xstats[i].id += count;
2464
2465         return count + xcount;
2466 }
2467
2468 /* reset ethdev extended statistics */
2469 void
2470 rte_eth_xstats_reset(uint16_t port_id)
2471 {
2472         struct rte_eth_dev *dev;
2473
2474         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2475         dev = &rte_eth_devices[port_id];
2476
2477         /* implemented by the driver */
2478         if (dev->dev_ops->xstats_reset != NULL) {
2479                 (*dev->dev_ops->xstats_reset)(dev);
2480                 return;
2481         }
2482
2483         /* fallback to default */
2484         rte_eth_stats_reset(port_id);
2485 }
2486
2487 static int
2488 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2489                 uint8_t is_rx)
2490 {
2491         struct rte_eth_dev *dev;
2492
2493         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2494
2495         dev = &rte_eth_devices[port_id];
2496
2497         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2498
2499         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2500                 return -EINVAL;
2501
2502         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2503                 return -EINVAL;
2504
2505         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2506                 return -EINVAL;
2507
2508         return (*dev->dev_ops->queue_stats_mapping_set)
2509                         (dev, queue_id, stat_idx, is_rx);
2510 }
2511
2512
2513 int
2514 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2515                 uint8_t stat_idx)
2516 {
2517         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2518                                                 stat_idx, STAT_QMAP_TX));
2519 }
2520
2521
2522 int
2523 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2524                 uint8_t stat_idx)
2525 {
2526         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2527                                                 stat_idx, STAT_QMAP_RX));
2528 }
2529
2530 int
2531 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2532 {
2533         struct rte_eth_dev *dev;
2534
2535         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2536         dev = &rte_eth_devices[port_id];
2537
2538         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2539         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2540                                                         fw_version, fw_size));
2541 }
2542
2543 void
2544 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2545 {
2546         struct rte_eth_dev *dev;
2547         const struct rte_eth_desc_lim lim = {
2548                 .nb_max = UINT16_MAX,
2549                 .nb_min = 0,
2550                 .nb_align = 1,
2551                 .nb_seg_max = UINT16_MAX,
2552                 .nb_mtu_seg_max = UINT16_MAX,
2553         };
2554
2555         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2556         dev = &rte_eth_devices[port_id];
2557
2558         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2559         dev_info->rx_desc_lim = lim;
2560         dev_info->tx_desc_lim = lim;
2561         dev_info->device = dev->device;
2562         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2563         dev_info->max_mtu = UINT16_MAX;
2564
2565         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2566         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2567         dev_info->driver_name = dev->device->driver->name;
2568         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2569         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2570
2571         dev_info->dev_flags = &dev->data->dev_flags;
2572 }
2573
2574 int
2575 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2576                                  uint32_t *ptypes, int num)
2577 {
2578         int i, j;
2579         struct rte_eth_dev *dev;
2580         const uint32_t *all_ptypes;
2581
2582         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2583         dev = &rte_eth_devices[port_id];
2584         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2585         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2586
2587         if (!all_ptypes)
2588                 return 0;
2589
2590         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2591                 if (all_ptypes[i] & ptype_mask) {
2592                         if (j < num)
2593                                 ptypes[j] = all_ptypes[i];
2594                         j++;
2595                 }
2596
2597         return j;
2598 }
2599
2600 void
2601 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2602 {
2603         struct rte_eth_dev *dev;
2604
2605         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2606         dev = &rte_eth_devices[port_id];
2607         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2608 }
2609
2610
2611 int
2612 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2613 {
2614         struct rte_eth_dev *dev;
2615
2616         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2617
2618         dev = &rte_eth_devices[port_id];
2619         *mtu = dev->data->mtu;
2620         return 0;
2621 }
2622
2623 int
2624 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2625 {
2626         int ret;
2627         struct rte_eth_dev_info dev_info;
2628         struct rte_eth_dev *dev;
2629
2630         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2631         dev = &rte_eth_devices[port_id];
2632         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2633
2634         /*
2635          * Check if the device supports dev_infos_get, if it does not
2636          * skip min_mtu/max_mtu validation here as this requires values
2637          * that are populated within the call to rte_eth_dev_info_get()
2638          * which relies on dev->dev_ops->dev_infos_get.
2639          */
2640         if (*dev->dev_ops->dev_infos_get != NULL) {
2641                 rte_eth_dev_info_get(port_id, &dev_info);
2642                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2643                         return -EINVAL;
2644         }
2645
2646         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2647         if (!ret)
2648                 dev->data->mtu = mtu;
2649
2650         return eth_err(port_id, ret);
2651 }
2652
2653 int
2654 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2655 {
2656         struct rte_eth_dev *dev;
2657         int ret;
2658
2659         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2660         dev = &rte_eth_devices[port_id];
2661         if (!(dev->data->dev_conf.rxmode.offloads &
2662               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2663                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2664                         port_id);
2665                 return -ENOSYS;
2666         }
2667
2668         if (vlan_id > 4095) {
2669                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2670                         port_id, vlan_id);
2671                 return -EINVAL;
2672         }
2673         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2674
2675         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2676         if (ret == 0) {
2677                 struct rte_vlan_filter_conf *vfc;
2678                 int vidx;
2679                 int vbit;
2680
2681                 vfc = &dev->data->vlan_filter_conf;
2682                 vidx = vlan_id / 64;
2683                 vbit = vlan_id % 64;
2684
2685                 if (on)
2686                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2687                 else
2688                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2689         }
2690
2691         return eth_err(port_id, ret);
2692 }
2693
2694 int
2695 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2696                                     int on)
2697 {
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         if (rx_queue_id >= dev->data->nb_rx_queues) {
2703                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2704                 return -EINVAL;
2705         }
2706
2707         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2708         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2709
2710         return 0;
2711 }
2712
2713 int
2714 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2715                                 enum rte_vlan_type vlan_type,
2716                                 uint16_t tpid)
2717 {
2718         struct rte_eth_dev *dev;
2719
2720         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2721         dev = &rte_eth_devices[port_id];
2722         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2723
2724         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2725                                                                tpid));
2726 }
2727
2728 int
2729 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2730 {
2731         struct rte_eth_dev *dev;
2732         int ret = 0;
2733         int mask = 0;
2734         int cur, org = 0;
2735         uint64_t orig_offloads;
2736
2737         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2738         dev = &rte_eth_devices[port_id];
2739
2740         /* save original values in case of failure */
2741         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2742
2743         /*check which option changed by application*/
2744         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2745         org = !!(dev->data->dev_conf.rxmode.offloads &
2746                  DEV_RX_OFFLOAD_VLAN_STRIP);
2747         if (cur != org) {
2748                 if (cur)
2749                         dev->data->dev_conf.rxmode.offloads |=
2750                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2751                 else
2752                         dev->data->dev_conf.rxmode.offloads &=
2753                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2754                 mask |= ETH_VLAN_STRIP_MASK;
2755         }
2756
2757         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2758         org = !!(dev->data->dev_conf.rxmode.offloads &
2759                  DEV_RX_OFFLOAD_VLAN_FILTER);
2760         if (cur != org) {
2761                 if (cur)
2762                         dev->data->dev_conf.rxmode.offloads |=
2763                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2764                 else
2765                         dev->data->dev_conf.rxmode.offloads &=
2766                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2767                 mask |= ETH_VLAN_FILTER_MASK;
2768         }
2769
2770         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2771         org = !!(dev->data->dev_conf.rxmode.offloads &
2772                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2773         if (cur != org) {
2774                 if (cur)
2775                         dev->data->dev_conf.rxmode.offloads |=
2776                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2777                 else
2778                         dev->data->dev_conf.rxmode.offloads &=
2779                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2780                 mask |= ETH_VLAN_EXTEND_MASK;
2781         }
2782
2783         /*no change*/
2784         if (mask == 0)
2785                 return ret;
2786
2787         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2788         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2789         if (ret) {
2790                 /* hit an error restore  original values */
2791                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2792         }
2793
2794         return eth_err(port_id, ret);
2795 }
2796
2797 int
2798 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2799 {
2800         struct rte_eth_dev *dev;
2801         int ret = 0;
2802
2803         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2804         dev = &rte_eth_devices[port_id];
2805
2806         if (dev->data->dev_conf.rxmode.offloads &
2807             DEV_RX_OFFLOAD_VLAN_STRIP)
2808                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2809
2810         if (dev->data->dev_conf.rxmode.offloads &
2811             DEV_RX_OFFLOAD_VLAN_FILTER)
2812                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2813
2814         if (dev->data->dev_conf.rxmode.offloads &
2815             DEV_RX_OFFLOAD_VLAN_EXTEND)
2816                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2817
2818         return ret;
2819 }
2820
2821 int
2822 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2823 {
2824         struct rte_eth_dev *dev;
2825
2826         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2827         dev = &rte_eth_devices[port_id];
2828         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2829
2830         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2831 }
2832
2833 int
2834 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2835 {
2836         struct rte_eth_dev *dev;
2837
2838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2839         dev = &rte_eth_devices[port_id];
2840         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2841         memset(fc_conf, 0, sizeof(*fc_conf));
2842         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2843 }
2844
2845 int
2846 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2847 {
2848         struct rte_eth_dev *dev;
2849
2850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2851         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2852                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2853                 return -EINVAL;
2854         }
2855
2856         dev = &rte_eth_devices[port_id];
2857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2858         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2859 }
2860
2861 int
2862 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2863                                    struct rte_eth_pfc_conf *pfc_conf)
2864 {
2865         struct rte_eth_dev *dev;
2866
2867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2868         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2869                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2870                 return -EINVAL;
2871         }
2872
2873         dev = &rte_eth_devices[port_id];
2874         /* High water, low water validation are device specific */
2875         if  (*dev->dev_ops->priority_flow_ctrl_set)
2876                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2877                                         (dev, pfc_conf));
2878         return -ENOTSUP;
2879 }
2880
2881 static int
2882 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2883                         uint16_t reta_size)
2884 {
2885         uint16_t i, num;
2886
2887         if (!reta_conf)
2888                 return -EINVAL;
2889
2890         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2891         for (i = 0; i < num; i++) {
2892                 if (reta_conf[i].mask)
2893                         return 0;
2894         }
2895
2896         return -EINVAL;
2897 }
2898
2899 static int
2900 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2901                          uint16_t reta_size,
2902                          uint16_t max_rxq)
2903 {
2904         uint16_t i, idx, shift;
2905
2906         if (!reta_conf)
2907                 return -EINVAL;
2908
2909         if (max_rxq == 0) {
2910                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2911                 return -EINVAL;
2912         }
2913
2914         for (i = 0; i < reta_size; i++) {
2915                 idx = i / RTE_RETA_GROUP_SIZE;
2916                 shift = i % RTE_RETA_GROUP_SIZE;
2917                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2918                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2919                         RTE_ETHDEV_LOG(ERR,
2920                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2921                                 idx, shift,
2922                                 reta_conf[idx].reta[shift], max_rxq);
2923                         return -EINVAL;
2924                 }
2925         }
2926
2927         return 0;
2928 }
2929
2930 int
2931 rte_eth_dev_rss_reta_update(uint16_t port_id,
2932                             struct rte_eth_rss_reta_entry64 *reta_conf,
2933                             uint16_t reta_size)
2934 {
2935         struct rte_eth_dev *dev;
2936         int ret;
2937
2938         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2939         /* Check mask bits */
2940         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2941         if (ret < 0)
2942                 return ret;
2943
2944         dev = &rte_eth_devices[port_id];
2945
2946         /* Check entry value */
2947         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2948                                 dev->data->nb_rx_queues);
2949         if (ret < 0)
2950                 return ret;
2951
2952         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2953         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2954                                                              reta_size));
2955 }
2956
2957 int
2958 rte_eth_dev_rss_reta_query(uint16_t port_id,
2959                            struct rte_eth_rss_reta_entry64 *reta_conf,
2960                            uint16_t reta_size)
2961 {
2962         struct rte_eth_dev *dev;
2963         int ret;
2964
2965         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2966
2967         /* Check mask bits */
2968         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2969         if (ret < 0)
2970                 return ret;
2971
2972         dev = &rte_eth_devices[port_id];
2973         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2974         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2975                                                             reta_size));
2976 }
2977
2978 int
2979 rte_eth_dev_rss_hash_update(uint16_t port_id,
2980                             struct rte_eth_rss_conf *rss_conf)
2981 {
2982         struct rte_eth_dev *dev;
2983         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2984
2985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2986         dev = &rte_eth_devices[port_id];
2987         rte_eth_dev_info_get(port_id, &dev_info);
2988         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2989             dev_info.flow_type_rss_offloads) {
2990                 RTE_ETHDEV_LOG(ERR,
2991                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2992                         port_id, rss_conf->rss_hf,
2993                         dev_info.flow_type_rss_offloads);
2994                 return -EINVAL;
2995         }
2996         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2997         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2998                                                                  rss_conf));
2999 }
3000
3001 int
3002 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3003                               struct rte_eth_rss_conf *rss_conf)
3004 {
3005         struct rte_eth_dev *dev;
3006
3007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3008         dev = &rte_eth_devices[port_id];
3009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3010         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3011                                                                    rss_conf));
3012 }
3013
3014 int
3015 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3016                                 struct rte_eth_udp_tunnel *udp_tunnel)
3017 {
3018         struct rte_eth_dev *dev;
3019
3020         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3021         if (udp_tunnel == NULL) {
3022                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3023                 return -EINVAL;
3024         }
3025
3026         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3027                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3028                 return -EINVAL;
3029         }
3030
3031         dev = &rte_eth_devices[port_id];
3032         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3033         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3034                                                                 udp_tunnel));
3035 }
3036
3037 int
3038 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3039                                    struct rte_eth_udp_tunnel *udp_tunnel)
3040 {
3041         struct rte_eth_dev *dev;
3042
3043         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3044         dev = &rte_eth_devices[port_id];
3045
3046         if (udp_tunnel == NULL) {
3047                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3048                 return -EINVAL;
3049         }
3050
3051         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3052                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3053                 return -EINVAL;
3054         }
3055
3056         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3057         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3058                                                                 udp_tunnel));
3059 }
3060
3061 int
3062 rte_eth_led_on(uint16_t port_id)
3063 {
3064         struct rte_eth_dev *dev;
3065
3066         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3067         dev = &rte_eth_devices[port_id];
3068         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3069         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3070 }
3071
3072 int
3073 rte_eth_led_off(uint16_t port_id)
3074 {
3075         struct rte_eth_dev *dev;
3076
3077         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3078         dev = &rte_eth_devices[port_id];
3079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3080         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3081 }
3082
3083 /*
3084  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3085  * an empty spot.
3086  */
3087 static int
3088 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3089 {
3090         struct rte_eth_dev_info dev_info;
3091         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3092         unsigned i;
3093
3094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3095         rte_eth_dev_info_get(port_id, &dev_info);
3096
3097         for (i = 0; i < dev_info.max_mac_addrs; i++)
3098                 if (memcmp(addr, &dev->data->mac_addrs[i],
3099                                 RTE_ETHER_ADDR_LEN) == 0)
3100                         return i;
3101
3102         return -1;
3103 }
3104
3105 static const struct rte_ether_addr null_mac_addr;
3106
3107 int
3108 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3109                         uint32_t pool)
3110 {
3111         struct rte_eth_dev *dev;
3112         int index;
3113         uint64_t pool_mask;
3114         int ret;
3115
3116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3117         dev = &rte_eth_devices[port_id];
3118         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3119
3120         if (rte_is_zero_ether_addr(addr)) {
3121                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3122                         port_id);
3123                 return -EINVAL;
3124         }
3125         if (pool >= ETH_64_POOLS) {
3126                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3127                 return -EINVAL;
3128         }
3129
3130         index = get_mac_addr_index(port_id, addr);
3131         if (index < 0) {
3132                 index = get_mac_addr_index(port_id, &null_mac_addr);
3133                 if (index < 0) {
3134                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3135                                 port_id);
3136                         return -ENOSPC;
3137                 }
3138         } else {
3139                 pool_mask = dev->data->mac_pool_sel[index];
3140
3141                 /* Check if both MAC address and pool is already there, and do nothing */
3142                 if (pool_mask & (1ULL << pool))
3143                         return 0;
3144         }
3145
3146         /* Update NIC */
3147         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3148
3149         if (ret == 0) {
3150                 /* Update address in NIC data structure */
3151                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3152
3153                 /* Update pool bitmap in NIC data structure */
3154                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3155         }
3156
3157         return eth_err(port_id, ret);
3158 }
3159
3160 int
3161 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3162 {
3163         struct rte_eth_dev *dev;
3164         int index;
3165
3166         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3167         dev = &rte_eth_devices[port_id];
3168         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3169
3170         index = get_mac_addr_index(port_id, addr);
3171         if (index == 0) {
3172                 RTE_ETHDEV_LOG(ERR,
3173                         "Port %u: Cannot remove default MAC address\n",
3174                         port_id);
3175                 return -EADDRINUSE;
3176         } else if (index < 0)
3177                 return 0;  /* Do nothing if address wasn't found */
3178
3179         /* Update NIC */
3180         (*dev->dev_ops->mac_addr_remove)(dev, index);
3181
3182         /* Update address in NIC data structure */
3183         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3184
3185         /* reset pool bitmap */
3186         dev->data->mac_pool_sel[index] = 0;
3187
3188         return 0;
3189 }
3190
3191 int
3192 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3193 {
3194         struct rte_eth_dev *dev;
3195         int ret;
3196
3197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3198
3199         if (!rte_is_valid_assigned_ether_addr(addr))
3200                 return -EINVAL;
3201
3202         dev = &rte_eth_devices[port_id];
3203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3204
3205         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3206         if (ret < 0)
3207                 return ret;
3208
3209         /* Update default address in NIC data structure */
3210         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3211
3212         return 0;
3213 }
3214
3215
3216 /*
3217  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3218  * an empty spot.
3219  */
3220 static int
3221 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3222 {
3223         struct rte_eth_dev_info dev_info;
3224         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3225         unsigned i;
3226
3227         rte_eth_dev_info_get(port_id, &dev_info);
3228         if (!dev->data->hash_mac_addrs)
3229                 return -1;
3230
3231         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3232                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3233                         RTE_ETHER_ADDR_LEN) == 0)
3234                         return i;
3235
3236         return -1;
3237 }
3238
3239 int
3240 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3241                                 uint8_t on)
3242 {
3243         int index;
3244         int ret;
3245         struct rte_eth_dev *dev;
3246
3247         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3248
3249         dev = &rte_eth_devices[port_id];
3250         if (rte_is_zero_ether_addr(addr)) {
3251                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3252                         port_id);
3253                 return -EINVAL;
3254         }
3255
3256         index = get_hash_mac_addr_index(port_id, addr);
3257         /* Check if it's already there, and do nothing */
3258         if ((index >= 0) && on)
3259                 return 0;
3260
3261         if (index < 0) {
3262                 if (!on) {
3263                         RTE_ETHDEV_LOG(ERR,
3264                                 "Port %u: the MAC address was not set in UTA\n",
3265                                 port_id);
3266                         return -EINVAL;
3267                 }
3268
3269                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3270                 if (index < 0) {
3271                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3272                                 port_id);
3273                         return -ENOSPC;
3274                 }
3275         }
3276
3277         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3278         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3279         if (ret == 0) {
3280                 /* Update address in NIC data structure */
3281                 if (on)
3282                         rte_ether_addr_copy(addr,
3283                                         &dev->data->hash_mac_addrs[index]);
3284                 else
3285                         rte_ether_addr_copy(&null_mac_addr,
3286                                         &dev->data->hash_mac_addrs[index]);
3287         }
3288
3289         return eth_err(port_id, ret);
3290 }
3291
3292 int
3293 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3294 {
3295         struct rte_eth_dev *dev;
3296
3297         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3298
3299         dev = &rte_eth_devices[port_id];
3300
3301         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3302         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3303                                                                        on));
3304 }
3305
3306 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3307                                         uint16_t tx_rate)
3308 {
3309         struct rte_eth_dev *dev;
3310         struct rte_eth_dev_info dev_info;
3311         struct rte_eth_link link;
3312
3313         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3314
3315         dev = &rte_eth_devices[port_id];
3316         rte_eth_dev_info_get(port_id, &dev_info);
3317         link = dev->data->dev_link;
3318
3319         if (queue_idx > dev_info.max_tx_queues) {
3320                 RTE_ETHDEV_LOG(ERR,
3321                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3322                         port_id, queue_idx);
3323                 return -EINVAL;
3324         }
3325
3326         if (tx_rate > link.link_speed) {
3327                 RTE_ETHDEV_LOG(ERR,
3328                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3329                         tx_rate, link.link_speed);
3330                 return -EINVAL;
3331         }
3332
3333         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3334         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3335                                                         queue_idx, tx_rate));
3336 }
3337
3338 int
3339 rte_eth_mirror_rule_set(uint16_t port_id,
3340                         struct rte_eth_mirror_conf *mirror_conf,
3341                         uint8_t rule_id, uint8_t on)
3342 {
3343         struct rte_eth_dev *dev;
3344
3345         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3346         if (mirror_conf->rule_type == 0) {
3347                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3348                 return -EINVAL;
3349         }
3350
3351         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3352                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3353                         ETH_64_POOLS - 1);
3354                 return -EINVAL;
3355         }
3356
3357         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3358              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3359             (mirror_conf->pool_mask == 0)) {
3360                 RTE_ETHDEV_LOG(ERR,
3361                         "Invalid mirror pool, pool mask can not be 0\n");
3362                 return -EINVAL;
3363         }
3364
3365         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3366             mirror_conf->vlan.vlan_mask == 0) {
3367                 RTE_ETHDEV_LOG(ERR,
3368                         "Invalid vlan mask, vlan mask can not be 0\n");
3369                 return -EINVAL;
3370         }
3371
3372         dev = &rte_eth_devices[port_id];
3373         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3374
3375         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3376                                                 mirror_conf, rule_id, on));
3377 }
3378
3379 int
3380 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3381 {
3382         struct rte_eth_dev *dev;
3383
3384         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3385
3386         dev = &rte_eth_devices[port_id];
3387         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3388
3389         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3390                                                                    rule_id));
3391 }
3392
3393 RTE_INIT(eth_dev_init_cb_lists)
3394 {
3395         int i;
3396
3397         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3398                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3399 }
3400
3401 int
3402 rte_eth_dev_callback_register(uint16_t port_id,
3403                         enum rte_eth_event_type event,
3404                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3405 {
3406         struct rte_eth_dev *dev;
3407         struct rte_eth_dev_callback *user_cb;
3408         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3409         uint16_t last_port;
3410
3411         if (!cb_fn)
3412                 return -EINVAL;
3413
3414         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3415                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3416                 return -EINVAL;
3417         }
3418
3419         if (port_id == RTE_ETH_ALL) {
3420                 next_port = 0;
3421                 last_port = RTE_MAX_ETHPORTS - 1;
3422         } else {
3423                 next_port = last_port = port_id;
3424         }
3425
3426         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3427
3428         do {
3429                 dev = &rte_eth_devices[next_port];
3430
3431                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3432                         if (user_cb->cb_fn == cb_fn &&
3433                                 user_cb->cb_arg == cb_arg &&
3434                                 user_cb->event == event) {
3435                                 break;
3436                         }
3437                 }
3438
3439                 /* create a new callback. */
3440                 if (user_cb == NULL) {
3441                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3442                                 sizeof(struct rte_eth_dev_callback), 0);
3443                         if (user_cb != NULL) {
3444                                 user_cb->cb_fn = cb_fn;
3445                                 user_cb->cb_arg = cb_arg;
3446                                 user_cb->event = event;
3447                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3448                                                   user_cb, next);
3449                         } else {
3450                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3451                                 rte_eth_dev_callback_unregister(port_id, event,
3452                                                                 cb_fn, cb_arg);
3453                                 return -ENOMEM;
3454                         }
3455
3456                 }
3457         } while (++next_port <= last_port);
3458
3459         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3460         return 0;
3461 }
3462
3463 int
3464 rte_eth_dev_callback_unregister(uint16_t port_id,
3465                         enum rte_eth_event_type event,
3466                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3467 {
3468         int ret;
3469         struct rte_eth_dev *dev;
3470         struct rte_eth_dev_callback *cb, *next;
3471         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3472         uint16_t last_port;
3473
3474         if (!cb_fn)
3475                 return -EINVAL;
3476
3477         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3478                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3479                 return -EINVAL;
3480         }
3481
3482         if (port_id == RTE_ETH_ALL) {
3483                 next_port = 0;
3484                 last_port = RTE_MAX_ETHPORTS - 1;
3485         } else {
3486                 next_port = last_port = port_id;
3487         }
3488
3489         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3490
3491         do {
3492                 dev = &rte_eth_devices[next_port];
3493                 ret = 0;
3494                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3495                      cb = next) {
3496
3497                         next = TAILQ_NEXT(cb, next);
3498
3499                         if (cb->cb_fn != cb_fn || cb->event != event ||
3500                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3501                                 continue;
3502
3503                         /*
3504                          * if this callback is not executing right now,
3505                          * then remove it.
3506                          */
3507                         if (cb->active == 0) {
3508                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3509                                 rte_free(cb);
3510                         } else {
3511                                 ret = -EAGAIN;
3512                         }
3513                 }
3514         } while (++next_port <= last_port);
3515
3516         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3517         return ret;
3518 }
3519
3520 int
3521 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3522         enum rte_eth_event_type event, void *ret_param)
3523 {
3524         struct rte_eth_dev_callback *cb_lst;
3525         struct rte_eth_dev_callback dev_cb;
3526         int rc = 0;
3527
3528         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3529         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3530                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3531                         continue;
3532                 dev_cb = *cb_lst;
3533                 cb_lst->active = 1;
3534                 if (ret_param != NULL)
3535                         dev_cb.ret_param = ret_param;
3536
3537                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3538                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3539                                 dev_cb.cb_arg, dev_cb.ret_param);
3540                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3541                 cb_lst->active = 0;
3542         }
3543         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3544         return rc;
3545 }
3546
3547 void
3548 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3549 {
3550         if (dev == NULL)
3551                 return;
3552
3553         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3554
3555         dev->state = RTE_ETH_DEV_ATTACHED;
3556 }
3557
3558 int
3559 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3560 {
3561         uint32_t vec;
3562         struct rte_eth_dev *dev;
3563         struct rte_intr_handle *intr_handle;
3564         uint16_t qid;
3565         int rc;
3566
3567         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3568
3569         dev = &rte_eth_devices[port_id];
3570
3571         if (!dev->intr_handle) {
3572                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3573                 return -ENOTSUP;
3574         }
3575
3576         intr_handle = dev->intr_handle;
3577         if (!intr_handle->intr_vec) {
3578                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3579                 return -EPERM;
3580         }
3581
3582         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3583                 vec = intr_handle->intr_vec[qid];
3584                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3585                 if (rc && rc != -EEXIST) {
3586                         RTE_ETHDEV_LOG(ERR,
3587                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3588                                 port_id, qid, op, epfd, vec);
3589                 }
3590         }
3591
3592         return 0;
3593 }
3594
3595 int __rte_experimental
3596 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3597 {
3598         struct rte_intr_handle *intr_handle;
3599         struct rte_eth_dev *dev;
3600         unsigned int efd_idx;
3601         uint32_t vec;
3602         int fd;
3603
3604         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3605
3606         dev = &rte_eth_devices[port_id];
3607
3608         if (queue_id >= dev->data->nb_rx_queues) {
3609                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3610                 return -1;
3611         }
3612
3613         if (!dev->intr_handle) {
3614                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3615                 return -1;
3616         }
3617
3618         intr_handle = dev->intr_handle;
3619         if (!intr_handle->intr_vec) {
3620                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3621                 return -1;
3622         }
3623
3624         vec = intr_handle->intr_vec[queue_id];
3625         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3626                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3627         fd = intr_handle->efds[efd_idx];
3628
3629         return fd;
3630 }
3631
3632 const struct rte_memzone *
3633 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3634                          uint16_t queue_id, size_t size, unsigned align,
3635                          int socket_id)
3636 {
3637         char z_name[RTE_MEMZONE_NAMESIZE];
3638         const struct rte_memzone *mz;
3639         int rc;
3640
3641         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3642                       dev->data->port_id, queue_id, ring_name);
3643         if (rc >= RTE_MEMZONE_NAMESIZE) {
3644                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3645                 rte_errno = ENAMETOOLONG;
3646                 return NULL;
3647         }
3648
3649         mz = rte_memzone_lookup(z_name);
3650         if (mz)
3651                 return mz;
3652
3653         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3654                         RTE_MEMZONE_IOVA_CONTIG, align);
3655 }
3656
3657 int __rte_experimental
3658 rte_eth_dev_create(struct rte_device *device, const char *name,
3659         size_t priv_data_size,
3660         ethdev_bus_specific_init ethdev_bus_specific_init,
3661         void *bus_init_params,
3662         ethdev_init_t ethdev_init, void *init_params)
3663 {
3664         struct rte_eth_dev *ethdev;
3665         int retval;
3666
3667         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3668
3669         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3670                 ethdev = rte_eth_dev_allocate(name);
3671                 if (!ethdev)
3672                         return -ENODEV;
3673
3674                 if (priv_data_size) {
3675                         ethdev->data->dev_private = rte_zmalloc_socket(
3676                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3677                                 device->numa_node);
3678
3679                         if (!ethdev->data->dev_private) {
3680                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3681                                 retval = -ENOMEM;
3682                                 goto probe_failed;
3683                         }
3684                 }
3685         } else {
3686                 ethdev = rte_eth_dev_attach_secondary(name);
3687                 if (!ethdev) {
3688                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3689                                 "ethdev doesn't exist");
3690                         return  -ENODEV;
3691                 }
3692         }
3693
3694         ethdev->device = device;
3695
3696         if (ethdev_bus_specific_init) {
3697                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3698                 if (retval) {
3699                         RTE_LOG(ERR, EAL,
3700                                 "ethdev bus specific initialisation failed");
3701                         goto probe_failed;
3702                 }
3703         }
3704
3705         retval = ethdev_init(ethdev, init_params);
3706         if (retval) {
3707                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3708                 goto probe_failed;
3709         }
3710
3711         rte_eth_dev_probing_finish(ethdev);
3712
3713         return retval;
3714
3715 probe_failed:
3716         rte_eth_dev_release_port(ethdev);
3717         return retval;
3718 }
3719
3720 int  __rte_experimental
3721 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3722         ethdev_uninit_t ethdev_uninit)
3723 {
3724         int ret;
3725
3726         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3727         if (!ethdev)
3728                 return -ENODEV;
3729
3730         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3731
3732         ret = ethdev_uninit(ethdev);
3733         if (ret)
3734                 return ret;
3735
3736         return rte_eth_dev_release_port(ethdev);
3737 }
3738
3739 int
3740 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3741                           int epfd, int op, void *data)
3742 {
3743         uint32_t vec;
3744         struct rte_eth_dev *dev;
3745         struct rte_intr_handle *intr_handle;
3746         int rc;
3747
3748         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3749
3750         dev = &rte_eth_devices[port_id];
3751         if (queue_id >= dev->data->nb_rx_queues) {
3752                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3753                 return -EINVAL;
3754         }
3755
3756         if (!dev->intr_handle) {
3757                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3758                 return -ENOTSUP;
3759         }
3760
3761         intr_handle = dev->intr_handle;
3762         if (!intr_handle->intr_vec) {
3763                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3764                 return -EPERM;
3765         }
3766
3767         vec = intr_handle->intr_vec[queue_id];
3768         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3769         if (rc && rc != -EEXIST) {
3770                 RTE_ETHDEV_LOG(ERR,
3771                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3772                         port_id, queue_id, op, epfd, vec);
3773                 return rc;
3774         }
3775
3776         return 0;
3777 }
3778
3779 int
3780 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3781                            uint16_t queue_id)
3782 {
3783         struct rte_eth_dev *dev;
3784
3785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3786
3787         dev = &rte_eth_devices[port_id];
3788
3789         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3790         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3791                                                                 queue_id));
3792 }
3793
3794 int
3795 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3796                             uint16_t queue_id)
3797 {
3798         struct rte_eth_dev *dev;
3799
3800         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3801
3802         dev = &rte_eth_devices[port_id];
3803
3804         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3805         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3806                                                                 queue_id));
3807 }
3808
3809
3810 int
3811 rte_eth_dev_filter_supported(uint16_t port_id,
3812                              enum rte_filter_type filter_type)
3813 {
3814         struct rte_eth_dev *dev;
3815
3816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3817
3818         dev = &rte_eth_devices[port_id];
3819         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3820         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3821                                 RTE_ETH_FILTER_NOP, NULL);
3822 }
3823
3824 int
3825 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3826                         enum rte_filter_op filter_op, void *arg)
3827 {
3828         struct rte_eth_dev *dev;
3829
3830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3831
3832         dev = &rte_eth_devices[port_id];
3833         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3834         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3835                                                              filter_op, arg));
3836 }
3837
3838 const struct rte_eth_rxtx_callback *
3839 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3840                 rte_rx_callback_fn fn, void *user_param)
3841 {
3842 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3843         rte_errno = ENOTSUP;
3844         return NULL;
3845 #endif
3846         /* check input parameters */
3847         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3848                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3849                 rte_errno = EINVAL;
3850                 return NULL;
3851         }
3852         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3853
3854         if (cb == NULL) {
3855                 rte_errno = ENOMEM;
3856                 return NULL;
3857         }
3858
3859         cb->fn.rx = fn;
3860         cb->param = user_param;
3861
3862         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3863         /* Add the callbacks in fifo order. */
3864         struct rte_eth_rxtx_callback *tail =
3865                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3866
3867         if (!tail) {
3868                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3869
3870         } else {
3871                 while (tail->next)
3872                         tail = tail->next;
3873                 tail->next = cb;
3874         }
3875         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3876
3877         return cb;
3878 }
3879
3880 const struct rte_eth_rxtx_callback *
3881 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3882                 rte_rx_callback_fn fn, void *user_param)
3883 {
3884 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3885         rte_errno = ENOTSUP;
3886         return NULL;
3887 #endif
3888         /* check input parameters */
3889         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3890                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3891                 rte_errno = EINVAL;
3892                 return NULL;
3893         }
3894
3895         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3896
3897         if (cb == NULL) {
3898                 rte_errno = ENOMEM;
3899                 return NULL;
3900         }
3901
3902         cb->fn.rx = fn;
3903         cb->param = user_param;
3904
3905         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3906         /* Add the callbacks at fisrt position*/
3907         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3908         rte_smp_wmb();
3909         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3910         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3911
3912         return cb;
3913 }
3914
3915 const struct rte_eth_rxtx_callback *
3916 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3917                 rte_tx_callback_fn fn, void *user_param)
3918 {
3919 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3920         rte_errno = ENOTSUP;
3921         return NULL;
3922 #endif
3923         /* check input parameters */
3924         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3925                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3926                 rte_errno = EINVAL;
3927                 return NULL;
3928         }
3929
3930         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3931
3932         if (cb == NULL) {
3933                 rte_errno = ENOMEM;
3934                 return NULL;
3935         }
3936
3937         cb->fn.tx = fn;
3938         cb->param = user_param;
3939
3940         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3941         /* Add the callbacks in fifo order. */
3942         struct rte_eth_rxtx_callback *tail =
3943                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3944
3945         if (!tail) {
3946                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3947
3948         } else {
3949                 while (tail->next)
3950                         tail = tail->next;
3951                 tail->next = cb;
3952         }
3953         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3954
3955         return cb;
3956 }
3957
3958 int
3959 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3960                 const struct rte_eth_rxtx_callback *user_cb)
3961 {
3962 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3963         return -ENOTSUP;
3964 #endif
3965         /* Check input parameters. */
3966         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3967         if (user_cb == NULL ||
3968                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3969                 return -EINVAL;
3970
3971         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3972         struct rte_eth_rxtx_callback *cb;
3973         struct rte_eth_rxtx_callback **prev_cb;
3974         int ret = -EINVAL;
3975
3976         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3977         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3978         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3979                 cb = *prev_cb;
3980                 if (cb == user_cb) {
3981                         /* Remove the user cb from the callback list. */
3982                         *prev_cb = cb->next;
3983                         ret = 0;
3984                         break;
3985                 }
3986         }
3987         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3988
3989         return ret;
3990 }
3991
3992 int
3993 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3994                 const struct rte_eth_rxtx_callback *user_cb)
3995 {
3996 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3997         return -ENOTSUP;
3998 #endif
3999         /* Check input parameters. */
4000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4001         if (user_cb == NULL ||
4002                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4003                 return -EINVAL;
4004
4005         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4006         int ret = -EINVAL;
4007         struct rte_eth_rxtx_callback *cb;
4008         struct rte_eth_rxtx_callback **prev_cb;
4009
4010         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4011         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4012         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4013                 cb = *prev_cb;
4014                 if (cb == user_cb) {
4015                         /* Remove the user cb from the callback list. */
4016                         *prev_cb = cb->next;
4017                         ret = 0;
4018                         break;
4019                 }
4020         }
4021         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4022
4023         return ret;
4024 }
4025
4026 int
4027 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4028         struct rte_eth_rxq_info *qinfo)
4029 {
4030         struct rte_eth_dev *dev;
4031
4032         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4033
4034         if (qinfo == NULL)
4035                 return -EINVAL;
4036
4037         dev = &rte_eth_devices[port_id];
4038         if (queue_id >= dev->data->nb_rx_queues) {
4039                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4040                 return -EINVAL;
4041         }
4042
4043         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4044
4045         memset(qinfo, 0, sizeof(*qinfo));
4046         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4047         return 0;
4048 }
4049
4050 int
4051 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4052         struct rte_eth_txq_info *qinfo)
4053 {
4054         struct rte_eth_dev *dev;
4055
4056         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4057
4058         if (qinfo == NULL)
4059                 return -EINVAL;
4060
4061         dev = &rte_eth_devices[port_id];
4062         if (queue_id >= dev->data->nb_tx_queues) {
4063                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4064                 return -EINVAL;
4065         }
4066
4067         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4068
4069         memset(qinfo, 0, sizeof(*qinfo));
4070         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4071
4072         return 0;
4073 }
4074
4075 int
4076 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4077                              struct rte_ether_addr *mc_addr_set,
4078                              uint32_t nb_mc_addr)
4079 {
4080         struct rte_eth_dev *dev;
4081
4082         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4083
4084         dev = &rte_eth_devices[port_id];
4085         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4086         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4087                                                 mc_addr_set, nb_mc_addr));
4088 }
4089
4090 int
4091 rte_eth_timesync_enable(uint16_t port_id)
4092 {
4093         struct rte_eth_dev *dev;
4094
4095         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4096         dev = &rte_eth_devices[port_id];
4097
4098         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4099         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4100 }
4101
4102 int
4103 rte_eth_timesync_disable(uint16_t port_id)
4104 {
4105         struct rte_eth_dev *dev;
4106
4107         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4108         dev = &rte_eth_devices[port_id];
4109
4110         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4111         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4112 }
4113
4114 int
4115 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4116                                    uint32_t flags)
4117 {
4118         struct rte_eth_dev *dev;
4119
4120         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4121         dev = &rte_eth_devices[port_id];
4122
4123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4124         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4125                                 (dev, timestamp, flags));
4126 }
4127
4128 int
4129 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4130                                    struct timespec *timestamp)
4131 {
4132         struct rte_eth_dev *dev;
4133
4134         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4135         dev = &rte_eth_devices[port_id];
4136
4137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4138         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4139                                 (dev, timestamp));
4140 }
4141
4142 int
4143 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4144 {
4145         struct rte_eth_dev *dev;
4146
4147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4148         dev = &rte_eth_devices[port_id];
4149
4150         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4151         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4152                                                                       delta));
4153 }
4154
4155 int
4156 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4157 {
4158         struct rte_eth_dev *dev;
4159
4160         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4161         dev = &rte_eth_devices[port_id];
4162
4163         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4164         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4165                                                                 timestamp));
4166 }
4167
4168 int
4169 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4170 {
4171         struct rte_eth_dev *dev;
4172
4173         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4174         dev = &rte_eth_devices[port_id];
4175
4176         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4177         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4178                                                                 timestamp));
4179 }
4180
4181 int
4182 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4183 {
4184         struct rte_eth_dev *dev;
4185
4186         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4187         dev = &rte_eth_devices[port_id];
4188
4189         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4190         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4191 }
4192
4193 int
4194 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4195 {
4196         struct rte_eth_dev *dev;
4197
4198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4199
4200         dev = &rte_eth_devices[port_id];
4201         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4202         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4203 }
4204
4205 int
4206 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4207 {
4208         struct rte_eth_dev *dev;
4209
4210         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4211
4212         dev = &rte_eth_devices[port_id];
4213         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4214         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4215 }
4216
4217 int
4218 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4219 {
4220         struct rte_eth_dev *dev;
4221
4222         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4223
4224         dev = &rte_eth_devices[port_id];
4225         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4226         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4227 }
4228
4229 int
4230 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4231 {
4232         struct rte_eth_dev *dev;
4233
4234         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4235
4236         dev = &rte_eth_devices[port_id];
4237         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4238         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4239 }
4240
4241 int __rte_experimental
4242 rte_eth_dev_get_module_info(uint16_t port_id,
4243                             struct rte_eth_dev_module_info *modinfo)
4244 {
4245         struct rte_eth_dev *dev;
4246
4247         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4248
4249         dev = &rte_eth_devices[port_id];
4250         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4251         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4252 }
4253
4254 int __rte_experimental
4255 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4256                               struct rte_dev_eeprom_info *info)
4257 {
4258         struct rte_eth_dev *dev;
4259
4260         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4261
4262         dev = &rte_eth_devices[port_id];
4263         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4264         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4265 }
4266
4267 int
4268 rte_eth_dev_get_dcb_info(uint16_t port_id,
4269                              struct rte_eth_dcb_info *dcb_info)
4270 {
4271         struct rte_eth_dev *dev;
4272
4273         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4274
4275         dev = &rte_eth_devices[port_id];
4276         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4277
4278         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4279         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4280 }
4281
4282 int
4283 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4284                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4285 {
4286         struct rte_eth_dev *dev;
4287
4288         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4289         if (l2_tunnel == NULL) {
4290                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4291                 return -EINVAL;
4292         }
4293
4294         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4295                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4296                 return -EINVAL;
4297         }
4298
4299         dev = &rte_eth_devices[port_id];
4300         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4301                                 -ENOTSUP);
4302         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4303                                                                 l2_tunnel));
4304 }
4305
4306 int
4307 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4308                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4309                                   uint32_t mask,
4310                                   uint8_t en)
4311 {
4312         struct rte_eth_dev *dev;
4313
4314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4315
4316         if (l2_tunnel == NULL) {
4317                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4318                 return -EINVAL;
4319         }
4320
4321         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4322                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4323                 return -EINVAL;
4324         }
4325
4326         if (mask == 0) {
4327                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4328                 return -EINVAL;
4329         }
4330
4331         dev = &rte_eth_devices[port_id];
4332         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4333                                 -ENOTSUP);
4334         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4335                                                         l2_tunnel, mask, en));
4336 }
4337
4338 static void
4339 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4340                            const struct rte_eth_desc_lim *desc_lim)
4341 {
4342         if (desc_lim->nb_align != 0)
4343                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4344
4345         if (desc_lim->nb_max != 0)
4346                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4347
4348         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4349 }
4350
4351 int
4352 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4353                                  uint16_t *nb_rx_desc,
4354                                  uint16_t *nb_tx_desc)
4355 {
4356         struct rte_eth_dev *dev;
4357         struct rte_eth_dev_info dev_info;
4358
4359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4360
4361         dev = &rte_eth_devices[port_id];
4362         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4363
4364         rte_eth_dev_info_get(port_id, &dev_info);
4365
4366         if (nb_rx_desc != NULL)
4367                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4368
4369         if (nb_tx_desc != NULL)
4370                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4371
4372         return 0;
4373 }
4374
4375 int
4376 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4377 {
4378         struct rte_eth_dev *dev;
4379
4380         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4381
4382         if (pool == NULL)
4383                 return -EINVAL;
4384
4385         dev = &rte_eth_devices[port_id];
4386
4387         if (*dev->dev_ops->pool_ops_supported == NULL)
4388                 return 1; /* all pools are supported */
4389
4390         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4391 }
4392
4393 /**
4394  * A set of values to describe the possible states of a switch domain.
4395  */
4396 enum rte_eth_switch_domain_state {
4397         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4398         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4399 };
4400
4401 /**
4402  * Array of switch domains available for allocation. Array is sized to
4403  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4404  * ethdev ports in a single process.
4405  */
4406 static struct rte_eth_dev_switch {
4407         enum rte_eth_switch_domain_state state;
4408 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4409
4410 int __rte_experimental
4411 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4412 {
4413         unsigned int i;
4414
4415         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4416
4417         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4418                 i < RTE_MAX_ETHPORTS; i++) {
4419                 if (rte_eth_switch_domains[i].state ==
4420                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4421                         rte_eth_switch_domains[i].state =
4422                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4423                         *domain_id = i;
4424                         return 0;
4425                 }
4426         }
4427
4428         return -ENOSPC;
4429 }
4430
4431 int __rte_experimental
4432 rte_eth_switch_domain_free(uint16_t domain_id)
4433 {
4434         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4435                 domain_id >= RTE_MAX_ETHPORTS)
4436                 return -EINVAL;
4437
4438         if (rte_eth_switch_domains[domain_id].state !=
4439                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4440                 return -EINVAL;
4441
4442         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4443
4444         return 0;
4445 }
4446
4447 static int
4448 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4449 {
4450         int state;
4451         struct rte_kvargs_pair *pair;
4452         char *letter;
4453
4454         arglist->str = strdup(str_in);
4455         if (arglist->str == NULL)
4456                 return -ENOMEM;
4457
4458         letter = arglist->str;
4459         state = 0;
4460         arglist->count = 0;
4461         pair = &arglist->pairs[0];
4462         while (1) {
4463                 switch (state) {
4464                 case 0: /* Initial */
4465                         if (*letter == '=')
4466                                 return -EINVAL;
4467                         else if (*letter == '\0')
4468                                 return 0;
4469
4470                         state = 1;
4471                         pair->key = letter;
4472                         /* fall-thru */
4473
4474                 case 1: /* Parsing key */
4475                         if (*letter == '=') {
4476                                 *letter = '\0';
4477                                 pair->value = letter + 1;
4478                                 state = 2;
4479                         } else if (*letter == ',' || *letter == '\0')
4480                                 return -EINVAL;
4481                         break;
4482
4483
4484                 case 2: /* Parsing value */
4485                         if (*letter == '[')
4486                                 state = 3;
4487                         else if (*letter == ',') {
4488                                 *letter = '\0';
4489                                 arglist->count++;
4490                                 pair = &arglist->pairs[arglist->count];
4491                                 state = 0;
4492                         } else if (*letter == '\0') {
4493                                 letter--;
4494                                 arglist->count++;
4495                                 pair = &arglist->pairs[arglist->count];
4496                                 state = 0;
4497                         }
4498                         break;
4499
4500                 case 3: /* Parsing list */
4501                         if (*letter == ']')
4502                                 state = 2;
4503                         else if (*letter == '\0')
4504                                 return -EINVAL;
4505                         break;
4506                 }
4507                 letter++;
4508         }
4509 }
4510
4511 int __rte_experimental
4512 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4513 {
4514         struct rte_kvargs args;
4515         struct rte_kvargs_pair *pair;
4516         unsigned int i;
4517         int result = 0;
4518
4519         memset(eth_da, 0, sizeof(*eth_da));
4520
4521         result = rte_eth_devargs_tokenise(&args, dargs);
4522         if (result < 0)
4523                 goto parse_cleanup;
4524
4525         for (i = 0; i < args.count; i++) {
4526                 pair = &args.pairs[i];
4527                 if (strcmp("representor", pair->key) == 0) {
4528                         result = rte_eth_devargs_parse_list(pair->value,
4529                                 rte_eth_devargs_parse_representor_ports,
4530                                 eth_da);
4531                         if (result < 0)
4532                                 goto parse_cleanup;
4533                 }
4534         }
4535
4536 parse_cleanup:
4537         if (args.str)
4538                 free(args.str);
4539
4540         return result;
4541 }
4542
4543 RTE_INIT(ethdev_init_log)
4544 {
4545         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4546         if (rte_eth_dev_logtype >= 0)
4547                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4548 }