lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 /**
 170  * The user application callback description.
 171  *
 172  * It contains callback address to be registered by user application,
 173  * the pointer to the parameters for callback, and the event type.
 174  */
 175 struct rte_eth_dev_callback {
 176         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 177         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 178         void *cb_arg;                           /**< Parameter for callback */
 179         void *ret_param;                        /**< Return parameter */
 180         enum rte_eth_event_type event;          /**< Interrupt event type */
 181         uint32_t active;                        /**< Callback is executing */
 182 };
 183
 184 enum {
 185         STAT_QMAP_TX = 0,
 186         STAT_QMAP_RX
 187 };
 188
 189 int
 190 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 191 {
 192         int ret;
 193         struct rte_devargs devargs = {.args = NULL};
 194         const char *bus_param_key;
 195         char *bus_str = NULL;
 196         char *cls_str = NULL;
 197         int str_size;
 198
 199         memset(iter, 0, sizeof(*iter));
 200
 201         /*
 202          * The devargs string may use various syntaxes:
 203          *   - 0000:08:00.0,representor=[1-3]
 204          *   - pci:0000:06:00.0,representor=[0,5]
 205          *   - class=eth,mac=00:11:22:33:44:55
 206          * A new syntax is in development (not yet supported):
 207          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 208          */
 209
 210         /*
 211          * Handle pure class filter (i.e. without any bus-level argument),
 212          * from future new syntax.
 213          * rte_devargs_parse() is not yet supporting the new syntax,
 214          * that's why this simple case is temporarily parsed here.
 215          */
 216 #define iter_anybus_str "class=eth,"
 217         if (strncmp(devargs_str, iter_anybus_str,
 218                         strlen(iter_anybus_str)) == 0) {
 219                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 220                 goto end;
 221         }
 222
 223         /* Split bus, device and parameters. */
 224         ret = rte_devargs_parse(&devargs, devargs_str);
 225         if (ret != 0)
 226                 goto error;
 227
 228         /*
 229          * Assume parameters of old syntax can match only at ethdev level.
 230          * Extra parameters will be ignored, thanks to "+" prefix.
 231          */
 232         str_size = strlen(devargs.args) + 2;
 233         cls_str = malloc(str_size);
 234         if (cls_str == NULL) {
 235                 ret = -ENOMEM;
 236                 goto error;
 237         }
 238         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 239         if (ret != str_size - 1) {
 240                 ret = -EINVAL;
 241                 goto error;
 242         }
 243         iter->cls_str = cls_str;
 244         free(devargs.args); /* allocated by rte_devargs_parse() */
 245         devargs.args = NULL;
 246
 247         iter->bus = devargs.bus;
 248         if (iter->bus->dev_iterate == NULL) {
 249                 ret = -ENOTSUP;
 250                 goto error;
 251         }
 252
 253         /* Convert bus args to new syntax for use with new API dev_iterate. */
 254         if (strcmp(iter->bus->name, "vdev") == 0) {
 255                 bus_param_key = "name";
 256         } else if (strcmp(iter->bus->name, "pci") == 0) {
 257                 bus_param_key = "addr";
 258         } else {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 263         bus_str = malloc(str_size);
 264         if (bus_str == NULL) {
 265                 ret = -ENOMEM;
 266                 goto error;
 267         }
 268         ret = snprintf(bus_str, str_size, "%s=%s",
 269                         bus_param_key, devargs.name);
 270         if (ret != str_size - 1) {
 271                 ret = -EINVAL;
 272                 goto error;
 273         }
 274         iter->bus_str = bus_str;
 275
 276 end:
 277         iter->cls = rte_class_find_by_name("eth");
 278         return 0;
 279
 280 error:
 281         if (ret == -ENOTSUP)
 282                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 283                                 iter->bus->name);
 284         free(devargs.args);
 285         free(bus_str);
 286         free(cls_str);
 287         return ret;
 288 }
 289
 290 uint16_t
 291 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 292 {
 293         if (iter->cls == NULL) /* invalid ethdev iterator */
 294                 return RTE_MAX_ETHPORTS;
 295
 296         do { /* loop to try all matching rte_device */
 297                 /* If not pure ethdev filter and */
 298                 if (iter->bus != NULL &&
 299                                 /* not in middle of rte_eth_dev iteration, */
 300                                 iter->class_device == NULL) {
 301                         /* get next rte_device to try. */
 302                         iter->device = iter->bus->dev_iterate(
 303                                         iter->device, iter->bus_str, iter);
 304                         if (iter->device == NULL)
 305                                 break; /* no more rte_device candidate */
 306                 }
 307                 /* A device is matching bus part, need to check ethdev part. */
 308                 iter->class_device = iter->cls->dev_iterate(
 309                                 iter->class_device, iter->cls_str, iter);
 310                 if (iter->class_device != NULL)
 311                         return eth_dev_to_id(iter->class_device); /* match */
 312         } while (iter->bus != NULL); /* need to try next rte_device */
 313
 314         /* No more ethdev port to iterate. */
 315         rte_eth_iterator_cleanup(iter);
 316         return RTE_MAX_ETHPORTS;
 317 }
 318
 319 void
 320 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 321 {
 322         if (iter->bus_str == NULL)
 323                 return; /* nothing to free in pure class filter */
 324         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 325         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 326         memset(iter, 0, sizeof(*iter));
 327 }
 328
 329 uint16_t
 330 rte_eth_find_next(uint16_t port_id)
 331 {
 332         while (port_id < RTE_MAX_ETHPORTS &&
 333                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 334                 port_id++;
 335
 336         if (port_id >= RTE_MAX_ETHPORTS)
 337                 return RTE_MAX_ETHPORTS;
 338
 339         return port_id;
 340 }
 341
 342 /*
 343  * Macro to iterate over all valid ports for internal usage.
 344  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 345  */
 346 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 347         for (port_id = rte_eth_find_next(0); \
 348              port_id < RTE_MAX_ETHPORTS; \
 349              port_id = rte_eth_find_next(port_id + 1))
 350
 351 uint16_t
 352 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 353 {
 354         port_id = rte_eth_find_next(port_id);
 355         while (port_id < RTE_MAX_ETHPORTS &&
 356                         rte_eth_devices[port_id].device != parent)
 357                 port_id = rte_eth_find_next(port_id + 1);
 358
 359         return port_id;
 360 }
 361
 362 uint16_t
 363 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 364 {
 365         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 366         return rte_eth_find_next_of(port_id,
 367                         rte_eth_devices[ref_port_id].device);
 368 }
 369
 370 static void
 371 rte_eth_dev_shared_data_prepare(void)
 372 {
 373         const unsigned flags = 0;
 374         const struct rte_memzone *mz;
 375
 376         rte_spinlock_lock(&rte_eth_shared_data_lock);
 377
 378         if (rte_eth_dev_shared_data == NULL) {
 379                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 380                         /* Allocate port data and ownership shared memory. */
 381                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 382                                         sizeof(*rte_eth_dev_shared_data),
 383                                         rte_socket_id(), flags);
 384                 } else
 385                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 386                 if (mz == NULL)
 387                         rte_panic("Cannot allocate ethdev shared data\n");
 388
 389                 rte_eth_dev_shared_data = mz->addr;
 390                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 391                         rte_eth_dev_shared_data->next_owner_id =
 392                                         RTE_ETH_DEV_NO_OWNER + 1;
 393                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 394                         memset(rte_eth_dev_shared_data->data, 0,
 395                                sizeof(rte_eth_dev_shared_data->data));
 396                 }
 397         }
 398
 399         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 400 }
 401
 402 static bool
 403 is_allocated(const struct rte_eth_dev *ethdev)
 404 {
 405         return ethdev->data->name[0] != '\0';
 406 }
 407
 408 static struct rte_eth_dev *
 409 _rte_eth_dev_allocated(const char *name)
 410 {
 411         unsigned i;
 412
 413         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 414                 if (rte_eth_devices[i].data != NULL &&
 415                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 416                         return &rte_eth_devices[i];
 417         }
 418         return NULL;
 419 }
 420
 421 struct rte_eth_dev *
 422 rte_eth_dev_allocated(const char *name)
 423 {
 424         struct rte_eth_dev *ethdev;
 425
 426         rte_eth_dev_shared_data_prepare();
 427
 428         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 429
 430         ethdev = _rte_eth_dev_allocated(name);
 431
 432         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 433
 434         return ethdev;
 435 }
 436
 437 static uint16_t
 438 rte_eth_dev_find_free_port(void)
 439 {
 440         unsigned i;
 441
 442         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 443                 /* Using shared name field to find a free port. */
 444                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 445                         RTE_ASSERT(rte_eth_devices[i].state ==
 446                                    RTE_ETH_DEV_UNUSED);
 447                         return i;
 448                 }
 449         }
 450         return RTE_MAX_ETHPORTS;
 451 }
 452
 453 static struct rte_eth_dev *
 454 eth_dev_get(uint16_t port_id)
 455 {
 456         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 457
 458         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 459
 460         return eth_dev;
 461 }
 462
 463 struct rte_eth_dev *
 464 rte_eth_dev_allocate(const char *name)
 465 {
 466         uint16_t port_id;
 467         struct rte_eth_dev *eth_dev = NULL;
 468         size_t name_len;
 469
 470         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 471         if (name_len == 0) {
 472                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 473                 return NULL;
 474         }
 475
 476         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 477                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 478                 return NULL;
 479         }
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         /* Synchronize port creation between primary and secondary threads. */
 484         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 485
 486         if (_rte_eth_dev_allocated(name) != NULL) {
 487                 RTE_ETHDEV_LOG(ERR,
 488                         "Ethernet device with name %s already allocated\n",
 489                         name);
 490                 goto unlock;
 491         }
 492
 493         port_id = rte_eth_dev_find_free_port();
 494         if (port_id == RTE_MAX_ETHPORTS) {
 495                 RTE_ETHDEV_LOG(ERR,
 496                         "Reached maximum number of Ethernet ports\n");
 497                 goto unlock;
 498         }
 499
 500         eth_dev = eth_dev_get(port_id);
 501         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 502         eth_dev->data->port_id = port_id;
 503         eth_dev->data->mtu = RTE_ETHER_MTU;
 504
 505 unlock:
 506         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 507
 508         return eth_dev;
 509 }
 510
 511 /*
 512  * Attach to a port already registered by the primary process, which
 513  * makes sure that the same device would have the same port id both
 514  * in the primary and secondary process.
 515  */
 516 struct rte_eth_dev *
 517 rte_eth_dev_attach_secondary(const char *name)
 518 {
 519         uint16_t i;
 520         struct rte_eth_dev *eth_dev = NULL;
 521
 522         rte_eth_dev_shared_data_prepare();
 523
 524         /* Synchronize port attachment to primary port creation and release. */
 525         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 526
 527         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 528                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 529                         break;
 530         }
 531         if (i == RTE_MAX_ETHPORTS) {
 532                 RTE_ETHDEV_LOG(ERR,
 533                         "Device %s is not driven by the primary process\n",
 534                         name);
 535         } else {
 536                 eth_dev = eth_dev_get(i);
 537                 RTE_ASSERT(eth_dev->data->port_id == i);
 538         }
 539
 540         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 541         return eth_dev;
 542 }
 543
 544 int
 545 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 546 {
 547         if (eth_dev == NULL)
 548                 return -EINVAL;
 549
 550         rte_eth_dev_shared_data_prepare();
 551
 552         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 553                 _rte_eth_dev_callback_process(eth_dev,
 554                                 RTE_ETH_EVENT_DESTROY, NULL);
 555
 556         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 557
 558         eth_dev->state = RTE_ETH_DEV_UNUSED;
 559
 560         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 561                 rte_free(eth_dev->data->rx_queues);
 562                 rte_free(eth_dev->data->tx_queues);
 563                 rte_free(eth_dev->data->mac_addrs);
 564                 rte_free(eth_dev->data->hash_mac_addrs);
 565                 rte_free(eth_dev->data->dev_private);
 566                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 567         }
 568
 569         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 570
 571         return 0;
 572 }
 573
 574 int
 575 rte_eth_dev_is_valid_port(uint16_t port_id)
 576 {
 577         if (port_id >= RTE_MAX_ETHPORTS ||
 578             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 579                 return 0;
 580         else
 581                 return 1;
 582 }
 583
 584 static int
 585 rte_eth_is_valid_owner_id(uint64_t owner_id)
 586 {
 587         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 588             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 589                 return 0;
 590         return 1;
 591 }
 592
 593 uint64_t
 594 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 595 {
 596         port_id = rte_eth_find_next(port_id);
 597         while (port_id < RTE_MAX_ETHPORTS &&
 598                         rte_eth_devices[port_id].data->owner.id != owner_id)
 599                 port_id = rte_eth_find_next(port_id + 1);
 600
 601         return port_id;
 602 }
 603
 604 int
 605 rte_eth_dev_owner_new(uint64_t *owner_id)
 606 {
 607         rte_eth_dev_shared_data_prepare();
 608
 609         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 610
 611         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 612
 613         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 614         return 0;
 615 }
 616
 617 static int
 618 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 619                        const struct rte_eth_dev_owner *new_owner)
 620 {
 621         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 622         struct rte_eth_dev_owner *port_owner;
 623
 624         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 625                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 626                         port_id);
 627                 return -ENODEV;
 628         }
 629
 630         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 631             !rte_eth_is_valid_owner_id(old_owner_id)) {
 632                 RTE_ETHDEV_LOG(ERR,
 633                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 634                        old_owner_id, new_owner->id);
 635                 return -EINVAL;
 636         }
 637
 638         port_owner = &rte_eth_devices[port_id].data->owner;
 639         if (port_owner->id != old_owner_id) {
 640                 RTE_ETHDEV_LOG(ERR,
 641                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 642                         port_id, port_owner->name, port_owner->id);
 643                 return -EPERM;
 644         }
 645
 646         /* can not truncate (same structure) */
 647         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 648
 649         port_owner->id = new_owner->id;
 650
 651         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 652                 port_id, new_owner->name, new_owner->id);
 653
 654         return 0;
 655 }
 656
 657 int
 658 rte_eth_dev_owner_set(const uint16_t port_id,
 659                       const struct rte_eth_dev_owner *owner)
 660 {
 661         int ret;
 662
 663         rte_eth_dev_shared_data_prepare();
 664
 665         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 666
 667         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 668
 669         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 670         return ret;
 671 }
 672
 673 int
 674 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 675 {
 676         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 677                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 678         int ret;
 679
 680         rte_eth_dev_shared_data_prepare();
 681
 682         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 683
 684         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 685
 686         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 687         return ret;
 688 }
 689
 690 int
 691 rte_eth_dev_owner_delete(const uint64_t owner_id)
 692 {
 693         uint16_t port_id;
 694         int ret = 0;
 695
 696         rte_eth_dev_shared_data_prepare();
 697
 698         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 699
 700         if (rte_eth_is_valid_owner_id(owner_id)) {
 701                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 702                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 703                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 704                                        sizeof(struct rte_eth_dev_owner));
 705                 RTE_ETHDEV_LOG(NOTICE,
 706                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 707                         owner_id);
 708         } else {
 709                 RTE_ETHDEV_LOG(ERR,
 710                                "Invalid owner id=%016"PRIx64"\n",
 711                                owner_id);
 712                 ret = -EINVAL;
 713         }
 714
 715         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 716
 717         return ret;
 718 }
 719
 720 int
 721 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 722 {
 723         int ret = 0;
 724         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 725
 726         rte_eth_dev_shared_data_prepare();
 727
 728         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 729
 730         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 731                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 732                         port_id);
 733                 ret = -ENODEV;
 734         } else {
 735                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 736         }
 737
 738         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 739         return ret;
 740 }
 741
 742 int
 743 rte_eth_dev_socket_id(uint16_t port_id)
 744 {
 745         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 746         return rte_eth_devices[port_id].data->numa_node;
 747 }
 748
 749 void *
 750 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 751 {
 752         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 753         return rte_eth_devices[port_id].security_ctx;
 754 }
 755
 756 uint16_t
 757 rte_eth_dev_count(void)
 758 {
 759         return rte_eth_dev_count_avail();
 760 }
 761
 762 uint16_t
 763 rte_eth_dev_count_avail(void)
 764 {
 765         uint16_t p;
 766         uint16_t count;
 767
 768         count = 0;
 769
 770         RTE_ETH_FOREACH_DEV(p)
 771                 count++;
 772
 773         return count;
 774 }
 775
 776 uint16_t
 777 rte_eth_dev_count_total(void)
 778 {
 779         uint16_t port, count = 0;
 780
 781         RTE_ETH_FOREACH_VALID_DEV(port)
 782                 count++;
 783
 784         return count;
 785 }
 786
 787 int
 788 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 789 {
 790         char *tmp;
 791
 792         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 793
 794         if (name == NULL) {
 795                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 796                 return -EINVAL;
 797         }
 798
 799         /* shouldn't check 'rte_eth_devices[i].data',
 800          * because it might be overwritten by VDEV PMD */
 801         tmp = rte_eth_dev_shared_data->data[port_id].name;
 802         strcpy(name, tmp);
 803         return 0;
 804 }
 805
 806 int
 807 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 808 {
 809         uint32_t pid;
 810
 811         if (name == NULL) {
 812                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 813                 return -EINVAL;
 814         }
 815
 816         RTE_ETH_FOREACH_VALID_DEV(pid)
 817                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 818                         *port_id = pid;
 819                         return 0;
 820                 }
 821
 822         return -ENODEV;
 823 }
 824
 825 static int
 826 eth_err(uint16_t port_id, int ret)
 827 {
 828         if (ret == 0)
 829                 return 0;
 830         if (rte_eth_dev_is_removed(port_id))
 831                 return -EIO;
 832         return ret;
 833 }
 834
 835 static int
 836 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 837 {
 838         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 839         void **rxq;
 840         unsigned i;
 841
 842         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 843                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 844                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 845                                 RTE_CACHE_LINE_SIZE);
 846                 if (dev->data->rx_queues == NULL) {
 847                         dev->data->nb_rx_queues = 0;
 848                         return -(ENOMEM);
 849                 }
 850         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 851                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 852
 853                 rxq = dev->data->rx_queues;
 854
 855                 for (i = nb_queues; i < old_nb_queues; i++)
 856                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 857                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 858                                 RTE_CACHE_LINE_SIZE);
 859                 if (rxq == NULL)
 860                         return -(ENOMEM);
 861                 if (nb_queues > old_nb_queues) {
 862                         uint16_t new_qs = nb_queues - old_nb_queues;
 863
 864                         memset(rxq + old_nb_queues, 0,
 865                                 sizeof(rxq[0]) * new_qs);
 866                 }
 867
 868                 dev->data->rx_queues = rxq;
 869
 870         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 871                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 872
 873                 rxq = dev->data->rx_queues;
 874
 875                 for (i = nb_queues; i < old_nb_queues; i++)
 876                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 877
 878                 rte_free(dev->data->rx_queues);
 879                 dev->data->rx_queues = NULL;
 880         }
 881         dev->data->nb_rx_queues = nb_queues;
 882         return 0;
 883 }
 884
 885 int
 886 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 887 {
 888         struct rte_eth_dev *dev;
 889
 890         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 891
 892         dev = &rte_eth_devices[port_id];
 893         if (!dev->data->dev_started) {
 894                 RTE_ETHDEV_LOG(ERR,
 895                         "Port %u must be started before start any queue\n",
 896                         port_id);
 897                 return -EINVAL;
 898         }
 899
 900         if (rx_queue_id >= dev->data->nb_rx_queues) {
 901                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 902                 return -EINVAL;
 903         }
 904
 905         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 906
 907         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 908                 RTE_ETHDEV_LOG(INFO,
 909                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 910                         rx_queue_id, port_id);
 911                 return 0;
 912         }
 913
 914         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 915                                                              rx_queue_id));
 916
 917 }
 918
 919 int
 920 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 921 {
 922         struct rte_eth_dev *dev;
 923
 924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 925
 926         dev = &rte_eth_devices[port_id];
 927         if (rx_queue_id >= dev->data->nb_rx_queues) {
 928                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 929                 return -EINVAL;
 930         }
 931
 932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 933
 934         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 935                 RTE_ETHDEV_LOG(INFO,
 936                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 937                         rx_queue_id, port_id);
 938                 return 0;
 939         }
 940
 941         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 942
 943 }
 944
 945 int
 946 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 947 {
 948         struct rte_eth_dev *dev;
 949
 950         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 951
 952         dev = &rte_eth_devices[port_id];
 953         if (!dev->data->dev_started) {
 954                 RTE_ETHDEV_LOG(ERR,
 955                         "Port %u must be started before start any queue\n",
 956                         port_id);
 957                 return -EINVAL;
 958         }
 959
 960         if (tx_queue_id >= dev->data->nb_tx_queues) {
 961                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 962                 return -EINVAL;
 963         }
 964
 965         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 966
 967         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 968                 RTE_ETHDEV_LOG(INFO,
 969                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 970                         tx_queue_id, port_id);
 971                 return 0;
 972         }
 973
 974         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 975 }
 976
 977 int
 978 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 979 {
 980         struct rte_eth_dev *dev;
 981
 982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 983
 984         dev = &rte_eth_devices[port_id];
 985         if (tx_queue_id >= dev->data->nb_tx_queues) {
 986                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 987                 return -EINVAL;
 988         }
 989
 990         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 991
 992         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 993                 RTE_ETHDEV_LOG(INFO,
 994                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 995                         tx_queue_id, port_id);
 996                 return 0;
 997         }
 998
 999         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1000
1001 }
1002
1003 static int
1004 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1005 {
1006         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1007         void **txq;
1008         unsigned i;
1009
1010         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1011                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1012                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1013                                                    RTE_CACHE_LINE_SIZE);
1014                 if (dev->data->tx_queues == NULL) {
1015                         dev->data->nb_tx_queues = 0;
1016                         return -(ENOMEM);
1017                 }
1018         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1019                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1020
1021                 txq = dev->data->tx_queues;
1022
1023                 for (i = nb_queues; i < old_nb_queues; i++)
1024                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1025                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1026                                   RTE_CACHE_LINE_SIZE);
1027                 if (txq == NULL)
1028                         return -ENOMEM;
1029                 if (nb_queues > old_nb_queues) {
1030                         uint16_t new_qs = nb_queues - old_nb_queues;
1031
1032                         memset(txq + old_nb_queues, 0,
1033                                sizeof(txq[0]) * new_qs);
1034                 }
1035
1036                 dev->data->tx_queues = txq;
1037
1038         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1039                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1040
1041                 txq = dev->data->tx_queues;
1042
1043                 for (i = nb_queues; i < old_nb_queues; i++)
1044                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1045
1046                 rte_free(dev->data->tx_queues);
1047                 dev->data->tx_queues = NULL;
1048         }
1049         dev->data->nb_tx_queues = nb_queues;
1050         return 0;
1051 }
1052
1053 uint32_t
1054 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1055 {
1056         switch (speed) {
1057         case ETH_SPEED_NUM_10M:
1058                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1059         case ETH_SPEED_NUM_100M:
1060                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1061         case ETH_SPEED_NUM_1G:
1062                 return ETH_LINK_SPEED_1G;
1063         case ETH_SPEED_NUM_2_5G:
1064                 return ETH_LINK_SPEED_2_5G;
1065         case ETH_SPEED_NUM_5G:
1066                 return ETH_LINK_SPEED_5G;
1067         case ETH_SPEED_NUM_10G:
1068                 return ETH_LINK_SPEED_10G;
1069         case ETH_SPEED_NUM_20G:
1070                 return ETH_LINK_SPEED_20G;
1071         case ETH_SPEED_NUM_25G:
1072                 return ETH_LINK_SPEED_25G;
1073         case ETH_SPEED_NUM_40G:
1074                 return ETH_LINK_SPEED_40G;
1075         case ETH_SPEED_NUM_50G:
1076                 return ETH_LINK_SPEED_50G;
1077         case ETH_SPEED_NUM_56G:
1078                 return ETH_LINK_SPEED_56G;
1079         case ETH_SPEED_NUM_100G:
1080                 return ETH_LINK_SPEED_100G;
1081         default:
1082                 return 0;
1083         }
1084 }
1085
1086 const char *
1087 rte_eth_dev_rx_offload_name(uint64_t offload)
1088 {
1089         const char *name = "UNKNOWN";
1090         unsigned int i;
1091
1092         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1093                 if (offload == rte_rx_offload_names[i].offload) {
1094                         name = rte_rx_offload_names[i].name;
1095                         break;
1096                 }
1097         }
1098
1099         return name;
1100 }
1101
1102 const char *
1103 rte_eth_dev_tx_offload_name(uint64_t offload)
1104 {
1105         const char *name = "UNKNOWN";
1106         unsigned int i;
1107
1108         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1109                 if (offload == rte_tx_offload_names[i].offload) {
1110                         name = rte_tx_offload_names[i].name;
1111                         break;
1112                 }
1113         }
1114
1115         return name;
1116 }
1117
1118 int
1119 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1120                       const struct rte_eth_conf *dev_conf)
1121 {
1122         struct rte_eth_dev *dev;
1123         struct rte_eth_dev_info dev_info;
1124         struct rte_eth_conf orig_conf;
1125         int diag;
1126         int ret;
1127
1128         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1129
1130         dev = &rte_eth_devices[port_id];
1131
1132         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1133
1134         if (dev->data->dev_started) {
1135                 RTE_ETHDEV_LOG(ERR,
1136                         "Port %u must be stopped to allow configuration\n",
1137                         port_id);
1138                 return -EBUSY;
1139         }
1140
1141          /* Store original config, as rollback required on failure */
1142         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1143
1144         /*
1145          * Copy the dev_conf parameter into the dev structure.
1146          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1147          */
1148         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1149
1150         ret = rte_eth_dev_info_get(port_id, &dev_info);
1151         if (ret != 0)
1152                 goto rollback;
1153
1154         /* If number of queues specified by application for both Rx and Tx is
1155          * zero, use driver preferred values. This cannot be done individually
1156          * as it is valid for either Tx or Rx (but not both) to be zero.
1157          * If driver does not provide any preferred valued, fall back on
1158          * EAL defaults.
1159          */
1160         if (nb_rx_q == 0 && nb_tx_q == 0) {
1161                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1162                 if (nb_rx_q == 0)
1163                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1164                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1165                 if (nb_tx_q == 0)
1166                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1167         }
1168
1169         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1170                 RTE_ETHDEV_LOG(ERR,
1171                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1172                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1173                 ret = -EINVAL;
1174                 goto rollback;
1175         }
1176
1177         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1178                 RTE_ETHDEV_LOG(ERR,
1179                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1180                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1181                 ret = -EINVAL;
1182                 goto rollback;
1183         }
1184
1185         /*
1186          * Check that the numbers of RX and TX queues are not greater
1187          * than the maximum number of RX and TX queues supported by the
1188          * configured device.
1189          */
1190         if (nb_rx_q > dev_info.max_rx_queues) {
1191                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1192                         port_id, nb_rx_q, dev_info.max_rx_queues);
1193                 ret = -EINVAL;
1194                 goto rollback;
1195         }
1196
1197         if (nb_tx_q > dev_info.max_tx_queues) {
1198                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1199                         port_id, nb_tx_q, dev_info.max_tx_queues);
1200                 ret = -EINVAL;
1201                 goto rollback;
1202         }
1203
1204         /* Check that the device supports requested interrupts */
1205         if ((dev_conf->intr_conf.lsc == 1) &&
1206                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1207                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1208                         dev->device->driver->name);
1209                 ret = -EINVAL;
1210                 goto rollback;
1211         }
1212         if ((dev_conf->intr_conf.rmv == 1) &&
1213                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1214                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1215                         dev->device->driver->name);
1216                 ret = -EINVAL;
1217                 goto rollback;
1218         }
1219
1220         /*
1221          * If jumbo frames are enabled, check that the maximum RX packet
1222          * length is supported by the configured device.
1223          */
1224         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1225                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1226                         RTE_ETHDEV_LOG(ERR,
1227                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1228                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1229                                 dev_info.max_rx_pktlen);
1230                         ret = -EINVAL;
1231                         goto rollback;
1232                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1233                         RTE_ETHDEV_LOG(ERR,
1234                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1235                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1236                                 (unsigned int)RTE_ETHER_MIN_LEN);
1237                         ret = -EINVAL;
1238                         goto rollback;
1239                 }
1240         } else {
1241                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1242                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1243                         /* Use default value */
1244                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1245                                                         RTE_ETHER_MAX_LEN;
1246         }
1247
1248         /* Any requested offloading must be within its device capabilities */
1249         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1250              dev_conf->rxmode.offloads) {
1251                 RTE_ETHDEV_LOG(ERR,
1252                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1253                         "capabilities 0x%"PRIx64" in %s()\n",
1254                         port_id, dev_conf->rxmode.offloads,
1255                         dev_info.rx_offload_capa,
1256                         __func__);
1257                 ret = -EINVAL;
1258                 goto rollback;
1259         }
1260         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1261              dev_conf->txmode.offloads) {
1262                 RTE_ETHDEV_LOG(ERR,
1263                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1264                         "capabilities 0x%"PRIx64" in %s()\n",
1265                         port_id, dev_conf->txmode.offloads,
1266                         dev_info.tx_offload_capa,
1267                         __func__);
1268                 ret = -EINVAL;
1269                 goto rollback;
1270         }
1271
1272         /* Check that device supports requested rss hash functions. */
1273         if ((dev_info.flow_type_rss_offloads |
1274              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1275             dev_info.flow_type_rss_offloads) {
1276                 RTE_ETHDEV_LOG(ERR,
1277                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1278                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1279                         dev_info.flow_type_rss_offloads);
1280                 ret = -EINVAL;
1281                 goto rollback;
1282         }
1283
1284         /*
1285          * Setup new number of RX/TX queues and reconfigure device.
1286          */
1287         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1288         if (diag != 0) {
1289                 RTE_ETHDEV_LOG(ERR,
1290                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1291                         port_id, diag);
1292                 ret = diag;
1293                 goto rollback;
1294         }
1295
1296         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1297         if (diag != 0) {
1298                 RTE_ETHDEV_LOG(ERR,
1299                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1300                         port_id, diag);
1301                 rte_eth_dev_rx_queue_config(dev, 0);
1302                 ret = diag;
1303                 goto rollback;
1304         }
1305
1306         diag = (*dev->dev_ops->dev_configure)(dev);
1307         if (diag != 0) {
1308                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1309                         port_id, diag);
1310                 rte_eth_dev_rx_queue_config(dev, 0);
1311                 rte_eth_dev_tx_queue_config(dev, 0);
1312                 ret = eth_err(port_id, diag);
1313                 goto rollback;
1314         }
1315
1316         /* Initialize Rx profiling if enabled at compilation time. */
1317         diag = __rte_eth_dev_profile_init(port_id, dev);
1318         if (diag != 0) {
1319                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1320                         port_id, diag);
1321                 rte_eth_dev_rx_queue_config(dev, 0);
1322                 rte_eth_dev_tx_queue_config(dev, 0);
1323                 ret = eth_err(port_id, diag);
1324                 goto rollback;
1325         }
1326
1327         return 0;
1328
1329 rollback:
1330         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1331
1332         return ret;
1333 }
1334
1335 void
1336 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1337 {
1338         if (dev->data->dev_started) {
1339                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1340                         dev->data->port_id);
1341                 return;
1342         }
1343
1344         rte_eth_dev_rx_queue_config(dev, 0);
1345         rte_eth_dev_tx_queue_config(dev, 0);
1346
1347         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1348 }
1349
1350 static void
1351 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1352                         struct rte_eth_dev_info *dev_info)
1353 {
1354         struct rte_ether_addr *addr;
1355         uint16_t i;
1356         uint32_t pool = 0;
1357         uint64_t pool_mask;
1358
1359         /* replay MAC address configuration including default MAC */
1360         addr = &dev->data->mac_addrs[0];
1361         if (*dev->dev_ops->mac_addr_set != NULL)
1362                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1363         else if (*dev->dev_ops->mac_addr_add != NULL)
1364                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1365
1366         if (*dev->dev_ops->mac_addr_add != NULL) {
1367                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1368                         addr = &dev->data->mac_addrs[i];
1369
1370                         /* skip zero address */
1371                         if (rte_is_zero_ether_addr(addr))
1372                                 continue;
1373
1374                         pool = 0;
1375                         pool_mask = dev->data->mac_pool_sel[i];
1376
1377                         do {
1378                                 if (pool_mask & 1ULL)
1379                                         (*dev->dev_ops->mac_addr_add)(dev,
1380                                                 addr, i, pool);
1381                                 pool_mask >>= 1;
1382                                 pool++;
1383                         } while (pool_mask);
1384                 }
1385         }
1386 }
1387
1388 static int
1389 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1390                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1391 {
1392         int ret;
1393
1394         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1395                 rte_eth_dev_mac_restore(dev, dev_info);
1396
1397         /* replay promiscuous configuration */
1398         /*
1399          * use callbacks directly since we don't need port_id check and
1400          * would like to bypass the same value set
1401          */
1402         if (rte_eth_promiscuous_get(port_id) == 1 &&
1403             *dev->dev_ops->promiscuous_enable != NULL) {
1404                 ret = eth_err(port_id,
1405                               (*dev->dev_ops->promiscuous_enable)(dev));
1406                 if (ret != 0 && ret != -ENOTSUP) {
1407                         RTE_ETHDEV_LOG(ERR,
1408                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1409                                 port_id, rte_strerror(-ret));
1410                         return ret;
1411                 }
1412         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1413                    *dev->dev_ops->promiscuous_disable != NULL) {
1414                 ret = eth_err(port_id,
1415                               (*dev->dev_ops->promiscuous_disable)(dev));
1416                 if (ret != 0 && ret != -ENOTSUP) {
1417                         RTE_ETHDEV_LOG(ERR,
1418                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1419                                 port_id, rte_strerror(-ret));
1420                         return ret;
1421                 }
1422         }
1423
1424         /* replay all multicast configuration */
1425         if (rte_eth_allmulticast_get(port_id) == 1) {
1426                 ret = rte_eth_allmulticast_enable(port_id);
1427                 if (ret != 0 && ret != -ENOTSUP) {
1428                         RTE_ETHDEV_LOG(ERR,
1429                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1430                                 port_id, rte_strerror(-ret));
1431                         return ret;
1432                 }
1433         } else if (rte_eth_allmulticast_get(port_id) == 0) {
1434                 ret = rte_eth_allmulticast_disable(port_id);
1435                 if (ret != 0 && ret != -ENOTSUP) {
1436                         RTE_ETHDEV_LOG(ERR,
1437                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1438                                 port_id, rte_strerror(-ret));
1439                         return ret;
1440                 }
1441         }
1442
1443         return 0;
1444 }
1445
1446 int
1447 rte_eth_dev_start(uint16_t port_id)
1448 {
1449         struct rte_eth_dev *dev;
1450         struct rte_eth_dev_info dev_info;
1451         int diag;
1452         int ret;
1453
1454         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1455
1456         dev = &rte_eth_devices[port_id];
1457
1458         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1459
1460         if (dev->data->dev_started != 0) {
1461                 RTE_ETHDEV_LOG(INFO,
1462                         "Device with port_id=%"PRIu16" already started\n",
1463                         port_id);
1464                 return 0;
1465         }
1466
1467         ret = rte_eth_dev_info_get(port_id, &dev_info);
1468         if (ret != 0)
1469                 return ret;
1470
1471         /* Lets restore MAC now if device does not support live change */
1472         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1473                 rte_eth_dev_mac_restore(dev, &dev_info);
1474
1475         diag = (*dev->dev_ops->dev_start)(dev);
1476         if (diag == 0)
1477                 dev->data->dev_started = 1;
1478         else
1479                 return eth_err(port_id, diag);
1480
1481         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1482         if (ret != 0) {
1483                 RTE_ETHDEV_LOG(ERR,
1484                         "Error during restoring configuration for device (port %u): %s\n",
1485                         port_id, rte_strerror(-ret));
1486                 rte_eth_dev_stop(port_id);
1487                 return ret;
1488         }
1489
1490         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1491                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1492                 (*dev->dev_ops->link_update)(dev, 0);
1493         }
1494         return 0;
1495 }
1496
1497 void
1498 rte_eth_dev_stop(uint16_t port_id)
1499 {
1500         struct rte_eth_dev *dev;
1501
1502         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1503         dev = &rte_eth_devices[port_id];
1504
1505         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1506
1507         if (dev->data->dev_started == 0) {
1508                 RTE_ETHDEV_LOG(INFO,
1509                         "Device with port_id=%"PRIu16" already stopped\n",
1510                         port_id);
1511                 return;
1512         }
1513
1514         dev->data->dev_started = 0;
1515         (*dev->dev_ops->dev_stop)(dev);
1516 }
1517
1518 int
1519 rte_eth_dev_set_link_up(uint16_t port_id)
1520 {
1521         struct rte_eth_dev *dev;
1522
1523         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1524
1525         dev = &rte_eth_devices[port_id];
1526
1527         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1528         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1529 }
1530
1531 int
1532 rte_eth_dev_set_link_down(uint16_t port_id)
1533 {
1534         struct rte_eth_dev *dev;
1535
1536         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1537
1538         dev = &rte_eth_devices[port_id];
1539
1540         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1541         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1542 }
1543
1544 void
1545 rte_eth_dev_close(uint16_t port_id)
1546 {
1547         struct rte_eth_dev *dev;
1548
1549         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1550         dev = &rte_eth_devices[port_id];
1551
1552         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1553         dev->data->dev_started = 0;
1554         (*dev->dev_ops->dev_close)(dev);
1555
1556         /* check behaviour flag - temporary for PMD migration */
1557         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1558                 /* new behaviour: send event + reset state + free all data */
1559                 rte_eth_dev_release_port(dev);
1560                 return;
1561         }
1562         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1563                         "The driver %s should migrate to the new behaviour.\n",
1564                         dev->device->driver->name);
1565         /* old behaviour: only free queue arrays */
1566         dev->data->nb_rx_queues = 0;
1567         rte_free(dev->data->rx_queues);
1568         dev->data->rx_queues = NULL;
1569         dev->data->nb_tx_queues = 0;
1570         rte_free(dev->data->tx_queues);
1571         dev->data->tx_queues = NULL;
1572 }
1573
1574 int
1575 rte_eth_dev_reset(uint16_t port_id)
1576 {
1577         struct rte_eth_dev *dev;
1578         int ret;
1579
1580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1581         dev = &rte_eth_devices[port_id];
1582
1583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1584
1585         rte_eth_dev_stop(port_id);
1586         ret = dev->dev_ops->dev_reset(dev);
1587
1588         return eth_err(port_id, ret);
1589 }
1590
1591 int
1592 rte_eth_dev_is_removed(uint16_t port_id)
1593 {
1594         struct rte_eth_dev *dev;
1595         int ret;
1596
1597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1598
1599         dev = &rte_eth_devices[port_id];
1600
1601         if (dev->state == RTE_ETH_DEV_REMOVED)
1602                 return 1;
1603
1604         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1605
1606         ret = dev->dev_ops->is_removed(dev);
1607         if (ret != 0)
1608                 /* Device is physically removed. */
1609                 dev->state = RTE_ETH_DEV_REMOVED;
1610
1611         return ret;
1612 }
1613
1614 int
1615 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1616                        uint16_t nb_rx_desc, unsigned int socket_id,
1617                        const struct rte_eth_rxconf *rx_conf,
1618                        struct rte_mempool *mp)
1619 {
1620         int ret;
1621         uint32_t mbp_buf_size;
1622         struct rte_eth_dev *dev;
1623         struct rte_eth_dev_info dev_info;
1624         struct rte_eth_rxconf local_conf;
1625         void **rxq;
1626
1627         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1628
1629         dev = &rte_eth_devices[port_id];
1630         if (rx_queue_id >= dev->data->nb_rx_queues) {
1631                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1632                 return -EINVAL;
1633         }
1634
1635         if (mp == NULL) {
1636                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1637                 return -EINVAL;
1638         }
1639
1640         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1641
1642         /*
1643          * Check the size of the mbuf data buffer.
1644          * This value must be provided in the private data of the memory pool.
1645          * First check that the memory pool has a valid private data.
1646          */
1647         ret = rte_eth_dev_info_get(port_id, &dev_info);
1648         if (ret != 0)
1649                 return ret;
1650
1651         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1652                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1653                         mp->name, (int)mp->private_data_size,
1654                         (int)sizeof(struct rte_pktmbuf_pool_private));
1655                 return -ENOSPC;
1656         }
1657         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1658
1659         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1660                 RTE_ETHDEV_LOG(ERR,
1661                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1662                         mp->name, (int)mbp_buf_size,
1663                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1664                         (int)RTE_PKTMBUF_HEADROOM,
1665                         (int)dev_info.min_rx_bufsize);
1666                 return -EINVAL;
1667         }
1668
1669         /* Use default specified by driver, if nb_rx_desc is zero */
1670         if (nb_rx_desc == 0) {
1671                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1672                 /* If driver default is also zero, fall back on EAL default */
1673                 if (nb_rx_desc == 0)
1674                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1675         }
1676
1677         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1678                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1679                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1680
1681                 RTE_ETHDEV_LOG(ERR,
1682                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1683                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1684                         dev_info.rx_desc_lim.nb_min,
1685                         dev_info.rx_desc_lim.nb_align);
1686                 return -EINVAL;
1687         }
1688
1689         if (dev->data->dev_started &&
1690                 !(dev_info.dev_capa &
1691                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1692                 return -EBUSY;
1693
1694         if (dev->data->dev_started &&
1695                 (dev->data->rx_queue_state[rx_queue_id] !=
1696                         RTE_ETH_QUEUE_STATE_STOPPED))
1697                 return -EBUSY;
1698
1699         rxq = dev->data->rx_queues;
1700         if (rxq[rx_queue_id]) {
1701                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1702                                         -ENOTSUP);
1703                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1704                 rxq[rx_queue_id] = NULL;
1705         }
1706
1707         if (rx_conf == NULL)
1708                 rx_conf = &dev_info.default_rxconf;
1709
1710         local_conf = *rx_conf;
1711
1712         /*
1713          * If an offloading has already been enabled in
1714          * rte_eth_dev_configure(), it has been enabled on all queues,
1715          * so there is no need to enable it in this queue again.
1716          * The local_conf.offloads input to underlying PMD only carries
1717          * those offloadings which are only enabled on this queue and
1718          * not enabled on all queues.
1719          */
1720         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1721
1722         /*
1723          * New added offloadings for this queue are those not enabled in
1724          * rte_eth_dev_configure() and they must be per-queue type.
1725          * A pure per-port offloading can't be enabled on a queue while
1726          * disabled on another queue. A pure per-port offloading can't
1727          * be enabled for any queue as new added one if it hasn't been
1728          * enabled in rte_eth_dev_configure().
1729          */
1730         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1731              local_conf.offloads) {
1732                 RTE_ETHDEV_LOG(ERR,
1733                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1734                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1735                         port_id, rx_queue_id, local_conf.offloads,
1736                         dev_info.rx_queue_offload_capa,
1737                         __func__);
1738                 return -EINVAL;
1739         }
1740
1741         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1742                                               socket_id, &local_conf, mp);
1743         if (!ret) {
1744                 if (!dev->data->min_rx_buf_size ||
1745                     dev->data->min_rx_buf_size > mbp_buf_size)
1746                         dev->data->min_rx_buf_size = mbp_buf_size;
1747         }
1748
1749         return eth_err(port_id, ret);
1750 }
1751
1752 int
1753 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1754                        uint16_t nb_tx_desc, unsigned int socket_id,
1755                        const struct rte_eth_txconf *tx_conf)
1756 {
1757         struct rte_eth_dev *dev;
1758         struct rte_eth_dev_info dev_info;
1759         struct rte_eth_txconf local_conf;
1760         void **txq;
1761         int ret;
1762
1763         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1764
1765         dev = &rte_eth_devices[port_id];
1766         if (tx_queue_id >= dev->data->nb_tx_queues) {
1767                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1768                 return -EINVAL;
1769         }
1770
1771         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1772
1773         ret = rte_eth_dev_info_get(port_id, &dev_info);
1774         if (ret != 0)
1775                 return ret;
1776
1777         /* Use default specified by driver, if nb_tx_desc is zero */
1778         if (nb_tx_desc == 0) {
1779                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1780                 /* If driver default is zero, fall back on EAL default */
1781                 if (nb_tx_desc == 0)
1782                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1783         }
1784         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1785             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1786             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1787                 RTE_ETHDEV_LOG(ERR,
1788                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1789                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1790                         dev_info.tx_desc_lim.nb_min,
1791                         dev_info.tx_desc_lim.nb_align);
1792                 return -EINVAL;
1793         }
1794
1795         if (dev->data->dev_started &&
1796                 !(dev_info.dev_capa &
1797                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1798                 return -EBUSY;
1799
1800         if (dev->data->dev_started &&
1801                 (dev->data->tx_queue_state[tx_queue_id] !=
1802                         RTE_ETH_QUEUE_STATE_STOPPED))
1803                 return -EBUSY;
1804
1805         txq = dev->data->tx_queues;
1806         if (txq[tx_queue_id]) {
1807                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1808                                         -ENOTSUP);
1809                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1810                 txq[tx_queue_id] = NULL;
1811         }
1812
1813         if (tx_conf == NULL)
1814                 tx_conf = &dev_info.default_txconf;
1815
1816         local_conf = *tx_conf;
1817
1818         /*
1819          * If an offloading has already been enabled in
1820          * rte_eth_dev_configure(), it has been enabled on all queues,
1821          * so there is no need to enable it in this queue again.
1822          * The local_conf.offloads input to underlying PMD only carries
1823          * those offloadings which are only enabled on this queue and
1824          * not enabled on all queues.
1825          */
1826         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1827
1828         /*
1829          * New added offloadings for this queue are those not enabled in
1830          * rte_eth_dev_configure() and they must be per-queue type.
1831          * A pure per-port offloading can't be enabled on a queue while
1832          * disabled on another queue. A pure per-port offloading can't
1833          * be enabled for any queue as new added one if it hasn't been
1834          * enabled in rte_eth_dev_configure().
1835          */
1836         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1837              local_conf.offloads) {
1838                 RTE_ETHDEV_LOG(ERR,
1839                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1840                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1841                         port_id, tx_queue_id, local_conf.offloads,
1842                         dev_info.tx_queue_offload_capa,
1843                         __func__);
1844                 return -EINVAL;
1845         }
1846
1847         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1848                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1849 }
1850
1851 void
1852 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1853                 void *userdata __rte_unused)
1854 {
1855         unsigned i;
1856
1857         for (i = 0; i < unsent; i++)
1858                 rte_pktmbuf_free(pkts[i]);
1859 }
1860
1861 void
1862 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1863                 void *userdata)
1864 {
1865         uint64_t *count = userdata;
1866         unsigned i;
1867
1868         for (i = 0; i < unsent; i++)
1869                 rte_pktmbuf_free(pkts[i]);
1870
1871         *count += unsent;
1872 }
1873
1874 int
1875 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1876                 buffer_tx_error_fn cbfn, void *userdata)
1877 {
1878         buffer->error_callback = cbfn;
1879         buffer->error_userdata = userdata;
1880         return 0;
1881 }
1882
1883 int
1884 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1885 {
1886         int ret = 0;
1887
1888         if (buffer == NULL)
1889                 return -EINVAL;
1890
1891         buffer->size = size;
1892         if (buffer->error_callback == NULL) {
1893                 ret = rte_eth_tx_buffer_set_err_callback(
1894                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1895         }
1896
1897         return ret;
1898 }
1899
1900 int
1901 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1902 {
1903         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1904         int ret;
1905
1906         /* Validate Input Data. Bail if not valid or not supported. */
1907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1909
1910         /* Call driver to free pending mbufs. */
1911         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1912                                                free_cnt);
1913         return eth_err(port_id, ret);
1914 }
1915
1916 int
1917 rte_eth_promiscuous_enable(uint16_t port_id)
1918 {
1919         struct rte_eth_dev *dev;
1920         int diag = 0;
1921
1922         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1923         dev = &rte_eth_devices[port_id];
1924
1925         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
1926
1927         if (dev->data->promiscuous == 0) {
1928                 diag = (*dev->dev_ops->promiscuous_enable)(dev);
1929                 dev->data->promiscuous = (diag == 0) ? 1 : 0;
1930         }
1931
1932         return eth_err(port_id, diag);
1933 }
1934
1935 int
1936 rte_eth_promiscuous_disable(uint16_t port_id)
1937 {
1938         struct rte_eth_dev *dev;
1939         int diag = 0;
1940
1941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1942         dev = &rte_eth_devices[port_id];
1943
1944         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
1945
1946         if (dev->data->promiscuous == 1) {
1947                 dev->data->promiscuous = 0;
1948                 diag = (*dev->dev_ops->promiscuous_disable)(dev);
1949                 if (diag != 0)
1950                         dev->data->promiscuous = 1;
1951         }
1952
1953         return eth_err(port_id, diag);
1954 }
1955
1956 int
1957 rte_eth_promiscuous_get(uint16_t port_id)
1958 {
1959         struct rte_eth_dev *dev;
1960
1961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1962
1963         dev = &rte_eth_devices[port_id];
1964         return dev->data->promiscuous;
1965 }
1966
1967 int
1968 rte_eth_allmulticast_enable(uint16_t port_id)
1969 {
1970         struct rte_eth_dev *dev;
1971         uint8_t old_allmulticast;
1972         int diag;
1973
1974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1975         dev = &rte_eth_devices[port_id];
1976
1977         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
1978         old_allmulticast = dev->data->all_multicast;
1979         diag = (*dev->dev_ops->allmulticast_enable)(dev);
1980         dev->data->all_multicast = (diag == 0) ? 1 : old_allmulticast;
1981
1982         return eth_err(port_id, diag);
1983 }
1984
1985 int
1986 rte_eth_allmulticast_disable(uint16_t port_id)
1987 {
1988         struct rte_eth_dev *dev;
1989         uint8_t old_allmulticast;
1990         int diag;
1991
1992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1993         dev = &rte_eth_devices[port_id];
1994
1995         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
1996         old_allmulticast = dev->data->all_multicast;
1997         dev->data->all_multicast = 0;
1998         diag = (*dev->dev_ops->allmulticast_disable)(dev);
1999         if (diag != 0)
2000                 dev->data->all_multicast = old_allmulticast;
2001
2002         return eth_err(port_id, diag);
2003 }
2004
2005 int
2006 rte_eth_allmulticast_get(uint16_t port_id)
2007 {
2008         struct rte_eth_dev *dev;
2009
2010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2011
2012         dev = &rte_eth_devices[port_id];
2013         return dev->data->all_multicast;
2014 }
2015
2016 int
2017 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2018 {
2019         struct rte_eth_dev *dev;
2020
2021         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2022         dev = &rte_eth_devices[port_id];
2023
2024         if (dev->data->dev_conf.intr_conf.lsc &&
2025             dev->data->dev_started)
2026                 rte_eth_linkstatus_get(dev, eth_link);
2027         else {
2028                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2029                 (*dev->dev_ops->link_update)(dev, 1);
2030                 *eth_link = dev->data->dev_link;
2031         }
2032
2033         return 0;
2034 }
2035
2036 int
2037 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2038 {
2039         struct rte_eth_dev *dev;
2040
2041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2042         dev = &rte_eth_devices[port_id];
2043
2044         if (dev->data->dev_conf.intr_conf.lsc &&
2045             dev->data->dev_started)
2046                 rte_eth_linkstatus_get(dev, eth_link);
2047         else {
2048                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2049                 (*dev->dev_ops->link_update)(dev, 0);
2050                 *eth_link = dev->data->dev_link;
2051         }
2052
2053         return 0;
2054 }
2055
2056 int
2057 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2058 {
2059         struct rte_eth_dev *dev;
2060
2061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2062
2063         dev = &rte_eth_devices[port_id];
2064         memset(stats, 0, sizeof(*stats));
2065
2066         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2067         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2068         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2069 }
2070
2071 int
2072 rte_eth_stats_reset(uint16_t port_id)
2073 {
2074         struct rte_eth_dev *dev;
2075         int ret;
2076
2077         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2078         dev = &rte_eth_devices[port_id];
2079
2080         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2081         ret = (*dev->dev_ops->stats_reset)(dev);
2082         if (ret != 0)
2083                 return eth_err(port_id, ret);
2084
2085         dev->data->rx_mbuf_alloc_failed = 0;
2086
2087         return 0;
2088 }
2089
2090 static inline int
2091 get_xstats_basic_count(struct rte_eth_dev *dev)
2092 {
2093         uint16_t nb_rxqs, nb_txqs;
2094         int count;
2095
2096         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2097         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2098
2099         count = RTE_NB_STATS;
2100         count += nb_rxqs * RTE_NB_RXQ_STATS;
2101         count += nb_txqs * RTE_NB_TXQ_STATS;
2102
2103         return count;
2104 }
2105
2106 static int
2107 get_xstats_count(uint16_t port_id)
2108 {
2109         struct rte_eth_dev *dev;
2110         int count;
2111
2112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2113         dev = &rte_eth_devices[port_id];
2114         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2115                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2116                                 NULL, 0);
2117                 if (count < 0)
2118                         return eth_err(port_id, count);
2119         }
2120         if (dev->dev_ops->xstats_get_names != NULL) {
2121                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2122                 if (count < 0)
2123                         return eth_err(port_id, count);
2124         } else
2125                 count = 0;
2126
2127
2128         count += get_xstats_basic_count(dev);
2129
2130         return count;
2131 }
2132
2133 int
2134 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2135                 uint64_t *id)
2136 {
2137         int cnt_xstats, idx_xstat;
2138
2139         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2140
2141         if (!id) {
2142                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2143                 return -ENOMEM;
2144         }
2145
2146         if (!xstat_name) {
2147                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2148                 return -ENOMEM;
2149         }
2150
2151         /* Get count */
2152         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2153         if (cnt_xstats  < 0) {
2154                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2155                 return -ENODEV;
2156         }
2157
2158         /* Get id-name lookup table */
2159         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2160
2161         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2162                         port_id, xstats_names, cnt_xstats, NULL)) {
2163                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2164                 return -1;
2165         }
2166
2167         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2168                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2169                         *id = idx_xstat;
2170                         return 0;
2171                 };
2172         }
2173
2174         return -EINVAL;
2175 }
2176
2177 /* retrieve basic stats names */
2178 static int
2179 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2180         struct rte_eth_xstat_name *xstats_names)
2181 {
2182         int cnt_used_entries = 0;
2183         uint32_t idx, id_queue;
2184         uint16_t num_q;
2185
2186         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2187                 strlcpy(xstats_names[cnt_used_entries].name,
2188                         rte_stats_strings[idx].name,
2189                         sizeof(xstats_names[0].name));
2190                 cnt_used_entries++;
2191         }
2192         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2193         for (id_queue = 0; id_queue < num_q; id_queue++) {
2194                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2195                         snprintf(xstats_names[cnt_used_entries].name,
2196                                 sizeof(xstats_names[0].name),
2197                                 "rx_q%u%s",
2198                                 id_queue, rte_rxq_stats_strings[idx].name);
2199                         cnt_used_entries++;
2200                 }
2201
2202         }
2203         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2204         for (id_queue = 0; id_queue < num_q; id_queue++) {
2205                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2206                         snprintf(xstats_names[cnt_used_entries].name,
2207                                 sizeof(xstats_names[0].name),
2208                                 "tx_q%u%s",
2209                                 id_queue, rte_txq_stats_strings[idx].name);
2210                         cnt_used_entries++;
2211                 }
2212         }
2213         return cnt_used_entries;
2214 }
2215
2216 /* retrieve ethdev extended statistics names */
2217 int
2218 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2219         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2220         uint64_t *ids)
2221 {
2222         struct rte_eth_xstat_name *xstats_names_copy;
2223         unsigned int no_basic_stat_requested = 1;
2224         unsigned int no_ext_stat_requested = 1;
2225         unsigned int expected_entries;
2226         unsigned int basic_count;
2227         struct rte_eth_dev *dev;
2228         unsigned int i;
2229         int ret;
2230
2231         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2232         dev = &rte_eth_devices[port_id];
2233
2234         basic_count = get_xstats_basic_count(dev);
2235         ret = get_xstats_count(port_id);
2236         if (ret < 0)
2237                 return ret;
2238         expected_entries = (unsigned int)ret;
2239
2240         /* Return max number of stats if no ids given */
2241         if (!ids) {
2242                 if (!xstats_names)
2243                         return expected_entries;
2244                 else if (xstats_names && size < expected_entries)
2245                         return expected_entries;
2246         }
2247
2248         if (ids && !xstats_names)
2249                 return -EINVAL;
2250
2251         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2252                 uint64_t ids_copy[size];
2253
2254                 for (i = 0; i < size; i++) {
2255                         if (ids[i] < basic_count) {
2256                                 no_basic_stat_requested = 0;
2257                                 break;
2258                         }
2259
2260                         /*
2261                          * Convert ids to xstats ids that PMD knows.
2262                          * ids known by user are basic + extended stats.
2263                          */
2264                         ids_copy[i] = ids[i] - basic_count;
2265                 }
2266
2267                 if (no_basic_stat_requested)
2268                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2269                                         xstats_names, ids_copy, size);
2270         }
2271
2272         /* Retrieve all stats */
2273         if (!ids) {
2274                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2275                                 expected_entries);
2276                 if (num_stats < 0 || num_stats > (int)expected_entries)
2277                         return num_stats;
2278                 else
2279                         return expected_entries;
2280         }
2281
2282         xstats_names_copy = calloc(expected_entries,
2283                 sizeof(struct rte_eth_xstat_name));
2284
2285         if (!xstats_names_copy) {
2286                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2287                 return -ENOMEM;
2288         }
2289
2290         if (ids) {
2291                 for (i = 0; i < size; i++) {
2292                         if (ids[i] >= basic_count) {
2293                                 no_ext_stat_requested = 0;
2294                                 break;
2295                         }
2296                 }
2297         }
2298
2299         /* Fill xstats_names_copy structure */
2300         if (ids && no_ext_stat_requested) {
2301                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2302         } else {
2303                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2304                         expected_entries);
2305                 if (ret < 0) {
2306                         free(xstats_names_copy);
2307                         return ret;
2308                 }
2309         }
2310
2311         /* Filter stats */
2312         for (i = 0; i < size; i++) {
2313                 if (ids[i] >= expected_entries) {
2314                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2315                         free(xstats_names_copy);
2316                         return -1;
2317                 }
2318                 xstats_names[i] = xstats_names_copy[ids[i]];
2319         }
2320
2321         free(xstats_names_copy);
2322         return size;
2323 }
2324
2325 int
2326 rte_eth_xstats_get_names(uint16_t port_id,
2327         struct rte_eth_xstat_name *xstats_names,
2328         unsigned int size)
2329 {
2330         struct rte_eth_dev *dev;
2331         int cnt_used_entries;
2332         int cnt_expected_entries;
2333         int cnt_driver_entries;
2334
2335         cnt_expected_entries = get_xstats_count(port_id);
2336         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2337                         (int)size < cnt_expected_entries)
2338                 return cnt_expected_entries;
2339
2340         /* port_id checked in get_xstats_count() */
2341         dev = &rte_eth_devices[port_id];
2342
2343         cnt_used_entries = rte_eth_basic_stats_get_names(
2344                 dev, xstats_names);
2345
2346         if (dev->dev_ops->xstats_get_names != NULL) {
2347                 /* If there are any driver-specific xstats, append them
2348                  * to end of list.
2349                  */
2350                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2351                         dev,
2352                         xstats_names + cnt_used_entries,
2353                         size - cnt_used_entries);
2354                 if (cnt_driver_entries < 0)
2355                         return eth_err(port_id, cnt_driver_entries);
2356                 cnt_used_entries += cnt_driver_entries;
2357         }
2358
2359         return cnt_used_entries;
2360 }
2361
2362
2363 static int
2364 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2365 {
2366         struct rte_eth_dev *dev;
2367         struct rte_eth_stats eth_stats;
2368         unsigned int count = 0, i, q;
2369         uint64_t val, *stats_ptr;
2370         uint16_t nb_rxqs, nb_txqs;
2371         int ret;
2372
2373         ret = rte_eth_stats_get(port_id, &eth_stats);
2374         if (ret < 0)
2375                 return ret;
2376
2377         dev = &rte_eth_devices[port_id];
2378
2379         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2380         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2381
2382         /* global stats */
2383         for (i = 0; i < RTE_NB_STATS; i++) {
2384                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2385                                         rte_stats_strings[i].offset);
2386                 val = *stats_ptr;
2387                 xstats[count++].value = val;
2388         }
2389
2390         /* per-rxq stats */
2391         for (q = 0; q < nb_rxqs; q++) {
2392                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2393                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2394                                         rte_rxq_stats_strings[i].offset +
2395                                         q * sizeof(uint64_t));
2396                         val = *stats_ptr;
2397                         xstats[count++].value = val;
2398                 }
2399         }
2400
2401         /* per-txq stats */
2402         for (q = 0; q < nb_txqs; q++) {
2403                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2404                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2405                                         rte_txq_stats_strings[i].offset +
2406                                         q * sizeof(uint64_t));
2407                         val = *stats_ptr;
2408                         xstats[count++].value = val;
2409                 }
2410         }
2411         return count;
2412 }
2413
2414 /* retrieve ethdev extended statistics */
2415 int
2416 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2417                          uint64_t *values, unsigned int size)
2418 {
2419         unsigned int no_basic_stat_requested = 1;
2420         unsigned int no_ext_stat_requested = 1;
2421         unsigned int num_xstats_filled;
2422         unsigned int basic_count;
2423         uint16_t expected_entries;
2424         struct rte_eth_dev *dev;
2425         unsigned int i;
2426         int ret;
2427
2428         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2429         ret = get_xstats_count(port_id);
2430         if (ret < 0)
2431                 return ret;
2432         expected_entries = (uint16_t)ret;
2433         struct rte_eth_xstat xstats[expected_entries];
2434         dev = &rte_eth_devices[port_id];
2435         basic_count = get_xstats_basic_count(dev);
2436
2437         /* Return max number of stats if no ids given */
2438         if (!ids) {
2439                 if (!values)
2440                         return expected_entries;
2441                 else if (values && size < expected_entries)
2442                         return expected_entries;
2443         }
2444
2445         if (ids && !values)
2446                 return -EINVAL;
2447
2448         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2449                 unsigned int basic_count = get_xstats_basic_count(dev);
2450                 uint64_t ids_copy[size];
2451
2452                 for (i = 0; i < size; i++) {
2453                         if (ids[i] < basic_count) {
2454                                 no_basic_stat_requested = 0;
2455                                 break;
2456                         }
2457
2458                         /*
2459                          * Convert ids to xstats ids that PMD knows.
2460                          * ids known by user are basic + extended stats.
2461                          */
2462                         ids_copy[i] = ids[i] - basic_count;
2463                 }
2464
2465                 if (no_basic_stat_requested)
2466                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2467                                         values, size);
2468         }
2469
2470         if (ids) {
2471                 for (i = 0; i < size; i++) {
2472                         if (ids[i] >= basic_count) {
2473                                 no_ext_stat_requested = 0;
2474                                 break;
2475                         }
2476                 }
2477         }
2478
2479         /* Fill the xstats structure */
2480         if (ids && no_ext_stat_requested)
2481                 ret = rte_eth_basic_stats_get(port_id, xstats);
2482         else
2483                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2484
2485         if (ret < 0)
2486                 return ret;
2487         num_xstats_filled = (unsigned int)ret;
2488
2489         /* Return all stats */
2490         if (!ids) {
2491                 for (i = 0; i < num_xstats_filled; i++)
2492                         values[i] = xstats[i].value;
2493                 return expected_entries;
2494         }
2495
2496         /* Filter stats */
2497         for (i = 0; i < size; i++) {
2498                 if (ids[i] >= expected_entries) {
2499                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2500                         return -1;
2501                 }
2502                 values[i] = xstats[ids[i]].value;
2503         }
2504         return size;
2505 }
2506
2507 int
2508 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2509         unsigned int n)
2510 {
2511         struct rte_eth_dev *dev;
2512         unsigned int count = 0, i;
2513         signed int xcount = 0;
2514         uint16_t nb_rxqs, nb_txqs;
2515         int ret;
2516
2517         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2518
2519         dev = &rte_eth_devices[port_id];
2520
2521         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2522         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2523
2524         /* Return generic statistics */
2525         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2526                 (nb_txqs * RTE_NB_TXQ_STATS);
2527
2528         /* implemented by the driver */
2529         if (dev->dev_ops->xstats_get != NULL) {
2530                 /* Retrieve the xstats from the driver at the end of the
2531                  * xstats struct.
2532                  */
2533                 xcount = (*dev->dev_ops->xstats_get)(dev,
2534                                      xstats ? xstats + count : NULL,
2535                                      (n > count) ? n - count : 0);
2536
2537                 if (xcount < 0)
2538                         return eth_err(port_id, xcount);
2539         }
2540
2541         if (n < count + xcount || xstats == NULL)
2542                 return count + xcount;
2543
2544         /* now fill the xstats structure */
2545         ret = rte_eth_basic_stats_get(port_id, xstats);
2546         if (ret < 0)
2547                 return ret;
2548         count = ret;
2549
2550         for (i = 0; i < count; i++)
2551                 xstats[i].id = i;
2552         /* add an offset to driver-specific stats */
2553         for ( ; i < count + xcount; i++)
2554                 xstats[i].id += count;
2555
2556         return count + xcount;
2557 }
2558
2559 /* reset ethdev extended statistics */
2560 int
2561 rte_eth_xstats_reset(uint16_t port_id)
2562 {
2563         struct rte_eth_dev *dev;
2564
2565         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2566         dev = &rte_eth_devices[port_id];
2567
2568         /* implemented by the driver */
2569         if (dev->dev_ops->xstats_reset != NULL)
2570                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2571
2572         /* fallback to default */
2573         return rte_eth_stats_reset(port_id);
2574 }
2575
2576 static int
2577 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2578                 uint8_t is_rx)
2579 {
2580         struct rte_eth_dev *dev;
2581
2582         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2583
2584         dev = &rte_eth_devices[port_id];
2585
2586         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2587
2588         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2589                 return -EINVAL;
2590
2591         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2592                 return -EINVAL;
2593
2594         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2595                 return -EINVAL;
2596
2597         return (*dev->dev_ops->queue_stats_mapping_set)
2598                         (dev, queue_id, stat_idx, is_rx);
2599 }
2600
2601
2602 int
2603 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2604                 uint8_t stat_idx)
2605 {
2606         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2607                                                 stat_idx, STAT_QMAP_TX));
2608 }
2609
2610
2611 int
2612 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2613                 uint8_t stat_idx)
2614 {
2615         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2616                                                 stat_idx, STAT_QMAP_RX));
2617 }
2618
2619 int
2620 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2621 {
2622         struct rte_eth_dev *dev;
2623
2624         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2625         dev = &rte_eth_devices[port_id];
2626
2627         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2628         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2629                                                         fw_version, fw_size));
2630 }
2631
2632 int
2633 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2634 {
2635         struct rte_eth_dev *dev;
2636         const struct rte_eth_desc_lim lim = {
2637                 .nb_max = UINT16_MAX,
2638                 .nb_min = 0,
2639                 .nb_align = 1,
2640                 .nb_seg_max = UINT16_MAX,
2641                 .nb_mtu_seg_max = UINT16_MAX,
2642         };
2643         int diag;
2644
2645         /*
2646          * Init dev_info before port_id check since caller does not have
2647          * return status and does not know if get is successful or not.
2648          */
2649         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2650
2651         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2652         dev = &rte_eth_devices[port_id];
2653
2654         dev_info->rx_desc_lim = lim;
2655         dev_info->tx_desc_lim = lim;
2656         dev_info->device = dev->device;
2657         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2658         dev_info->max_mtu = UINT16_MAX;
2659
2660         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2661         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2662         if (diag != 0) {
2663                 /* Cleanup already filled in device information */
2664                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2665                 return eth_err(port_id, diag);
2666         }
2667
2668         dev_info->driver_name = dev->device->driver->name;
2669         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2670         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2671
2672         dev_info->dev_flags = &dev->data->dev_flags;
2673
2674         return 0;
2675 }
2676
2677 int
2678 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2679                                  uint32_t *ptypes, int num)
2680 {
2681         int i, j;
2682         struct rte_eth_dev *dev;
2683         const uint32_t *all_ptypes;
2684
2685         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2686         dev = &rte_eth_devices[port_id];
2687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2688         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2689
2690         if (!all_ptypes)
2691                 return 0;
2692
2693         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2694                 if (all_ptypes[i] & ptype_mask) {
2695                         if (j < num)
2696                                 ptypes[j] = all_ptypes[i];
2697                         j++;
2698                 }
2699
2700         return j;
2701 }
2702
2703 int
2704 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2705 {
2706         struct rte_eth_dev *dev;
2707
2708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2709         dev = &rte_eth_devices[port_id];
2710         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2711
2712         return 0;
2713 }
2714
2715
2716 int
2717 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2718 {
2719         struct rte_eth_dev *dev;
2720
2721         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2722
2723         dev = &rte_eth_devices[port_id];
2724         *mtu = dev->data->mtu;
2725         return 0;
2726 }
2727
2728 int
2729 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2730 {
2731         int ret;
2732         struct rte_eth_dev_info dev_info;
2733         struct rte_eth_dev *dev;
2734
2735         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2736         dev = &rte_eth_devices[port_id];
2737         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2738
2739         /*
2740          * Check if the device supports dev_infos_get, if it does not
2741          * skip min_mtu/max_mtu validation here as this requires values
2742          * that are populated within the call to rte_eth_dev_info_get()
2743          * which relies on dev->dev_ops->dev_infos_get.
2744          */
2745         if (*dev->dev_ops->dev_infos_get != NULL) {
2746                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2747                 if (ret != 0)
2748                         return ret;
2749
2750                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2751                         return -EINVAL;
2752         }
2753
2754         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2755         if (!ret)
2756                 dev->data->mtu = mtu;
2757
2758         return eth_err(port_id, ret);
2759 }
2760
2761 int
2762 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2763 {
2764         struct rte_eth_dev *dev;
2765         int ret;
2766
2767         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2768         dev = &rte_eth_devices[port_id];
2769         if (!(dev->data->dev_conf.rxmode.offloads &
2770               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2771                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2772                         port_id);
2773                 return -ENOSYS;
2774         }
2775
2776         if (vlan_id > 4095) {
2777                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2778                         port_id, vlan_id);
2779                 return -EINVAL;
2780         }
2781         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2782
2783         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2784         if (ret == 0) {
2785                 struct rte_vlan_filter_conf *vfc;
2786                 int vidx;
2787                 int vbit;
2788
2789                 vfc = &dev->data->vlan_filter_conf;
2790                 vidx = vlan_id / 64;
2791                 vbit = vlan_id % 64;
2792
2793                 if (on)
2794                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2795                 else
2796                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2797         }
2798
2799         return eth_err(port_id, ret);
2800 }
2801
2802 int
2803 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2804                                     int on)
2805 {
2806         struct rte_eth_dev *dev;
2807
2808         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2809         dev = &rte_eth_devices[port_id];
2810         if (rx_queue_id >= dev->data->nb_rx_queues) {
2811                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2812                 return -EINVAL;
2813         }
2814
2815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2816         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2817
2818         return 0;
2819 }
2820
2821 int
2822 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2823                                 enum rte_vlan_type vlan_type,
2824                                 uint16_t tpid)
2825 {
2826         struct rte_eth_dev *dev;
2827
2828         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2829         dev = &rte_eth_devices[port_id];
2830         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2831
2832         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2833                                                                tpid));
2834 }
2835
2836 int
2837 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2838 {
2839         struct rte_eth_dev *dev;
2840         int ret = 0;
2841         int mask = 0;
2842         int cur, org = 0;
2843         uint64_t orig_offloads;
2844         uint64_t *dev_offloads;
2845
2846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2847         dev = &rte_eth_devices[port_id];
2848
2849         /* save original values in case of failure */
2850         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2851         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2852
2853         /*check which option changed by application*/
2854         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2855         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2856         if (cur != org) {
2857                 if (cur)
2858                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2859                 else
2860                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2861                 mask |= ETH_VLAN_STRIP_MASK;
2862         }
2863
2864         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2865         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2866         if (cur != org) {
2867                 if (cur)
2868                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2869                 else
2870                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2871                 mask |= ETH_VLAN_FILTER_MASK;
2872         }
2873
2874         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2875         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2876         if (cur != org) {
2877                 if (cur)
2878                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2879                 else
2880                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2881                 mask |= ETH_VLAN_EXTEND_MASK;
2882         }
2883
2884         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2885         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2886         if (cur != org) {
2887                 if (cur)
2888                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2889                 else
2890                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2891                 mask |= ETH_QINQ_STRIP_MASK;
2892         }
2893
2894         /*no change*/
2895         if (mask == 0)
2896                 return ret;
2897
2898         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2899         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2900         if (ret) {
2901                 /* hit an error restore  original values */
2902                 *dev_offloads = orig_offloads;
2903         }
2904
2905         return eth_err(port_id, ret);
2906 }
2907
2908 int
2909 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2910 {
2911         struct rte_eth_dev *dev;
2912         uint64_t *dev_offloads;
2913         int ret = 0;
2914
2915         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2916         dev = &rte_eth_devices[port_id];
2917         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2918
2919         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2920                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2921
2922         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2923                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2924
2925         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2926                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2927
2928         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2929                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2930
2931         return ret;
2932 }
2933
2934 int
2935 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2936 {
2937         struct rte_eth_dev *dev;
2938
2939         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2940         dev = &rte_eth_devices[port_id];
2941         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2942
2943         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2944 }
2945
2946 int
2947 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2948 {
2949         struct rte_eth_dev *dev;
2950
2951         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2952         dev = &rte_eth_devices[port_id];
2953         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2954         memset(fc_conf, 0, sizeof(*fc_conf));
2955         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2956 }
2957
2958 int
2959 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2960 {
2961         struct rte_eth_dev *dev;
2962
2963         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2964         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2965                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2966                 return -EINVAL;
2967         }
2968
2969         dev = &rte_eth_devices[port_id];
2970         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2971         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2972 }
2973
2974 int
2975 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2976                                    struct rte_eth_pfc_conf *pfc_conf)
2977 {
2978         struct rte_eth_dev *dev;
2979
2980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2981         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2982                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2983                 return -EINVAL;
2984         }
2985
2986         dev = &rte_eth_devices[port_id];
2987         /* High water, low water validation are device specific */
2988         if  (*dev->dev_ops->priority_flow_ctrl_set)
2989                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2990                                         (dev, pfc_conf));
2991         return -ENOTSUP;
2992 }
2993
2994 static int
2995 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2996                         uint16_t reta_size)
2997 {
2998         uint16_t i, num;
2999
3000         if (!reta_conf)
3001                 return -EINVAL;
3002
3003         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3004         for (i = 0; i < num; i++) {
3005                 if (reta_conf[i].mask)
3006                         return 0;
3007         }
3008
3009         return -EINVAL;
3010 }
3011
3012 static int
3013 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3014                          uint16_t reta_size,
3015                          uint16_t max_rxq)
3016 {
3017         uint16_t i, idx, shift;
3018
3019         if (!reta_conf)
3020                 return -EINVAL;
3021
3022         if (max_rxq == 0) {
3023                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3024                 return -EINVAL;
3025         }
3026
3027         for (i = 0; i < reta_size; i++) {
3028                 idx = i / RTE_RETA_GROUP_SIZE;
3029                 shift = i % RTE_RETA_GROUP_SIZE;
3030                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3031                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3032                         RTE_ETHDEV_LOG(ERR,
3033                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3034                                 idx, shift,
3035                                 reta_conf[idx].reta[shift], max_rxq);
3036                         return -EINVAL;
3037                 }
3038         }
3039
3040         return 0;
3041 }
3042
3043 int
3044 rte_eth_dev_rss_reta_update(uint16_t port_id,
3045                             struct rte_eth_rss_reta_entry64 *reta_conf,
3046                             uint16_t reta_size)
3047 {
3048         struct rte_eth_dev *dev;
3049         int ret;
3050
3051         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3052         /* Check mask bits */
3053         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3054         if (ret < 0)
3055                 return ret;
3056
3057         dev = &rte_eth_devices[port_id];
3058
3059         /* Check entry value */
3060         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3061                                 dev->data->nb_rx_queues);
3062         if (ret < 0)
3063                 return ret;
3064
3065         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3066         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3067                                                              reta_size));
3068 }
3069
3070 int
3071 rte_eth_dev_rss_reta_query(uint16_t port_id,
3072                            struct rte_eth_rss_reta_entry64 *reta_conf,
3073                            uint16_t reta_size)
3074 {
3075         struct rte_eth_dev *dev;
3076         int ret;
3077
3078         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3079
3080         /* Check mask bits */
3081         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3082         if (ret < 0)
3083                 return ret;
3084
3085         dev = &rte_eth_devices[port_id];
3086         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3087         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3088                                                             reta_size));
3089 }
3090
3091 int
3092 rte_eth_dev_rss_hash_update(uint16_t port_id,
3093                             struct rte_eth_rss_conf *rss_conf)
3094 {
3095         struct rte_eth_dev *dev;
3096         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3097         int ret;
3098
3099         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3100
3101         ret = rte_eth_dev_info_get(port_id, &dev_info);
3102         if (ret != 0)
3103                 return ret;
3104
3105         dev = &rte_eth_devices[port_id];
3106         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3107             dev_info.flow_type_rss_offloads) {
3108                 RTE_ETHDEV_LOG(ERR,
3109                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3110                         port_id, rss_conf->rss_hf,
3111                         dev_info.flow_type_rss_offloads);
3112                 return -EINVAL;
3113         }
3114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3115         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3116                                                                  rss_conf));
3117 }
3118
3119 int
3120 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3121                               struct rte_eth_rss_conf *rss_conf)
3122 {
3123         struct rte_eth_dev *dev;
3124
3125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3126         dev = &rte_eth_devices[port_id];
3127         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3128         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3129                                                                    rss_conf));
3130 }
3131
3132 int
3133 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3134                                 struct rte_eth_udp_tunnel *udp_tunnel)
3135 {
3136         struct rte_eth_dev *dev;
3137
3138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3139         if (udp_tunnel == NULL) {
3140                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3141                 return -EINVAL;
3142         }
3143
3144         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3145                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3146                 return -EINVAL;
3147         }
3148
3149         dev = &rte_eth_devices[port_id];
3150         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3151         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3152                                                                 udp_tunnel));
3153 }
3154
3155 int
3156 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3157                                    struct rte_eth_udp_tunnel *udp_tunnel)
3158 {
3159         struct rte_eth_dev *dev;
3160
3161         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3162         dev = &rte_eth_devices[port_id];
3163
3164         if (udp_tunnel == NULL) {
3165                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3166                 return -EINVAL;
3167         }
3168
3169         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3170                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3171                 return -EINVAL;
3172         }
3173
3174         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3175         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3176                                                                 udp_tunnel));
3177 }
3178
3179 int
3180 rte_eth_led_on(uint16_t port_id)
3181 {
3182         struct rte_eth_dev *dev;
3183
3184         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3185         dev = &rte_eth_devices[port_id];
3186         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3187         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3188 }
3189
3190 int
3191 rte_eth_led_off(uint16_t port_id)
3192 {
3193         struct rte_eth_dev *dev;
3194
3195         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3196         dev = &rte_eth_devices[port_id];
3197         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3198         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3199 }
3200
3201 /*
3202  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3203  * an empty spot.
3204  */
3205 static int
3206 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3207 {
3208         struct rte_eth_dev_info dev_info;
3209         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3210         unsigned i;
3211         int ret;
3212
3213         ret = rte_eth_dev_info_get(port_id, &dev_info);
3214         if (ret != 0)
3215                 return -1;
3216
3217         for (i = 0; i < dev_info.max_mac_addrs; i++)
3218                 if (memcmp(addr, &dev->data->mac_addrs[i],
3219                                 RTE_ETHER_ADDR_LEN) == 0)
3220                         return i;
3221
3222         return -1;
3223 }
3224
3225 static const struct rte_ether_addr null_mac_addr;
3226
3227 int
3228 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3229                         uint32_t pool)
3230 {
3231         struct rte_eth_dev *dev;
3232         int index;
3233         uint64_t pool_mask;
3234         int ret;
3235
3236         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3237         dev = &rte_eth_devices[port_id];
3238         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3239
3240         if (rte_is_zero_ether_addr(addr)) {
3241                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3242                         port_id);
3243                 return -EINVAL;
3244         }
3245         if (pool >= ETH_64_POOLS) {
3246                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3247                 return -EINVAL;
3248         }
3249
3250         index = get_mac_addr_index(port_id, addr);
3251         if (index < 0) {
3252                 index = get_mac_addr_index(port_id, &null_mac_addr);
3253                 if (index < 0) {
3254                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3255                                 port_id);
3256                         return -ENOSPC;
3257                 }
3258         } else {
3259                 pool_mask = dev->data->mac_pool_sel[index];
3260
3261                 /* Check if both MAC address and pool is already there, and do nothing */
3262                 if (pool_mask & (1ULL << pool))
3263                         return 0;
3264         }
3265
3266         /* Update NIC */
3267         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3268
3269         if (ret == 0) {
3270                 /* Update address in NIC data structure */
3271                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3272
3273                 /* Update pool bitmap in NIC data structure */
3274                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3275         }
3276
3277         return eth_err(port_id, ret);
3278 }
3279
3280 int
3281 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3282 {
3283         struct rte_eth_dev *dev;
3284         int index;
3285
3286         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3287         dev = &rte_eth_devices[port_id];
3288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3289
3290         index = get_mac_addr_index(port_id, addr);
3291         if (index == 0) {
3292                 RTE_ETHDEV_LOG(ERR,
3293                         "Port %u: Cannot remove default MAC address\n",
3294                         port_id);
3295                 return -EADDRINUSE;
3296         } else if (index < 0)
3297                 return 0;  /* Do nothing if address wasn't found */
3298
3299         /* Update NIC */
3300         (*dev->dev_ops->mac_addr_remove)(dev, index);
3301
3302         /* Update address in NIC data structure */
3303         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3304
3305         /* reset pool bitmap */
3306         dev->data->mac_pool_sel[index] = 0;
3307
3308         return 0;
3309 }
3310
3311 int
3312 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3313 {
3314         struct rte_eth_dev *dev;
3315         int ret;
3316
3317         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3318
3319         if (!rte_is_valid_assigned_ether_addr(addr))
3320                 return -EINVAL;
3321
3322         dev = &rte_eth_devices[port_id];
3323         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3324
3325         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3326         if (ret < 0)
3327                 return ret;
3328
3329         /* Update default address in NIC data structure */
3330         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3331
3332         return 0;
3333 }
3334
3335
3336 /*
3337  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3338  * an empty spot.
3339  */
3340 static int
3341 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3342 {
3343         struct rte_eth_dev_info dev_info;
3344         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3345         unsigned i;
3346         int ret;
3347
3348         ret = rte_eth_dev_info_get(port_id, &dev_info);
3349         if (ret != 0)
3350                 return -1;
3351
3352         if (!dev->data->hash_mac_addrs)
3353                 return -1;
3354
3355         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3356                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3357                         RTE_ETHER_ADDR_LEN) == 0)
3358                         return i;
3359
3360         return -1;
3361 }
3362
3363 int
3364 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3365                                 uint8_t on)
3366 {
3367         int index;
3368         int ret;
3369         struct rte_eth_dev *dev;
3370
3371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3372
3373         dev = &rte_eth_devices[port_id];
3374         if (rte_is_zero_ether_addr(addr)) {
3375                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3376                         port_id);
3377                 return -EINVAL;
3378         }
3379
3380         index = get_hash_mac_addr_index(port_id, addr);
3381         /* Check if it's already there, and do nothing */
3382         if ((index >= 0) && on)
3383                 return 0;
3384
3385         if (index < 0) {
3386                 if (!on) {
3387                         RTE_ETHDEV_LOG(ERR,
3388                                 "Port %u: the MAC address was not set in UTA\n",
3389                                 port_id);
3390                         return -EINVAL;
3391                 }
3392
3393                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3394                 if (index < 0) {
3395                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3396                                 port_id);
3397                         return -ENOSPC;
3398                 }
3399         }
3400
3401         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3402         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3403         if (ret == 0) {
3404                 /* Update address in NIC data structure */
3405                 if (on)
3406                         rte_ether_addr_copy(addr,
3407                                         &dev->data->hash_mac_addrs[index]);
3408                 else
3409                         rte_ether_addr_copy(&null_mac_addr,
3410                                         &dev->data->hash_mac_addrs[index]);
3411         }
3412
3413         return eth_err(port_id, ret);
3414 }
3415
3416 int
3417 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3418 {
3419         struct rte_eth_dev *dev;
3420
3421         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3422
3423         dev = &rte_eth_devices[port_id];
3424
3425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3426         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3427                                                                        on));
3428 }
3429
3430 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3431                                         uint16_t tx_rate)
3432 {
3433         struct rte_eth_dev *dev;
3434         struct rte_eth_dev_info dev_info;
3435         struct rte_eth_link link;
3436         int ret;
3437
3438         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3439
3440         ret = rte_eth_dev_info_get(port_id, &dev_info);
3441         if (ret != 0)
3442                 return ret;
3443
3444         dev = &rte_eth_devices[port_id];
3445         link = dev->data->dev_link;
3446
3447         if (queue_idx > dev_info.max_tx_queues) {
3448                 RTE_ETHDEV_LOG(ERR,
3449                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3450                         port_id, queue_idx);
3451                 return -EINVAL;
3452         }
3453
3454         if (tx_rate > link.link_speed) {
3455                 RTE_ETHDEV_LOG(ERR,
3456                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3457                         tx_rate, link.link_speed);
3458                 return -EINVAL;
3459         }
3460
3461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3462         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3463                                                         queue_idx, tx_rate));
3464 }
3465
3466 int
3467 rte_eth_mirror_rule_set(uint16_t port_id,
3468                         struct rte_eth_mirror_conf *mirror_conf,
3469                         uint8_t rule_id, uint8_t on)
3470 {
3471         struct rte_eth_dev *dev;
3472
3473         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3474         if (mirror_conf->rule_type == 0) {
3475                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3476                 return -EINVAL;
3477         }
3478
3479         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3480                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3481                         ETH_64_POOLS - 1);
3482                 return -EINVAL;
3483         }
3484
3485         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3486              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3487             (mirror_conf->pool_mask == 0)) {
3488                 RTE_ETHDEV_LOG(ERR,
3489                         "Invalid mirror pool, pool mask can not be 0\n");
3490                 return -EINVAL;
3491         }
3492
3493         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3494             mirror_conf->vlan.vlan_mask == 0) {
3495                 RTE_ETHDEV_LOG(ERR,
3496                         "Invalid vlan mask, vlan mask can not be 0\n");
3497                 return -EINVAL;
3498         }
3499
3500         dev = &rte_eth_devices[port_id];
3501         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3502
3503         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3504                                                 mirror_conf, rule_id, on));
3505 }
3506
3507 int
3508 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3509 {
3510         struct rte_eth_dev *dev;
3511
3512         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3513
3514         dev = &rte_eth_devices[port_id];
3515         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3516
3517         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3518                                                                    rule_id));
3519 }
3520
3521 RTE_INIT(eth_dev_init_cb_lists)
3522 {
3523         int i;
3524
3525         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3526                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3527 }
3528
3529 int
3530 rte_eth_dev_callback_register(uint16_t port_id,
3531                         enum rte_eth_event_type event,
3532                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3533 {
3534         struct rte_eth_dev *dev;
3535         struct rte_eth_dev_callback *user_cb;
3536         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3537         uint16_t last_port;
3538
3539         if (!cb_fn)
3540                 return -EINVAL;
3541
3542         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3543                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3544                 return -EINVAL;
3545         }
3546
3547         if (port_id == RTE_ETH_ALL) {
3548                 next_port = 0;
3549                 last_port = RTE_MAX_ETHPORTS - 1;
3550         } else {
3551                 next_port = last_port = port_id;
3552         }
3553
3554         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3555
3556         do {
3557                 dev = &rte_eth_devices[next_port];
3558
3559                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3560                         if (user_cb->cb_fn == cb_fn &&
3561                                 user_cb->cb_arg == cb_arg &&
3562                                 user_cb->event == event) {
3563                                 break;
3564                         }
3565                 }
3566
3567                 /* create a new callback. */
3568                 if (user_cb == NULL) {
3569                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3570                                 sizeof(struct rte_eth_dev_callback), 0);
3571                         if (user_cb != NULL) {
3572                                 user_cb->cb_fn = cb_fn;
3573                                 user_cb->cb_arg = cb_arg;
3574                                 user_cb->event = event;
3575                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3576                                                   user_cb, next);
3577                         } else {
3578                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3579                                 rte_eth_dev_callback_unregister(port_id, event,
3580                                                                 cb_fn, cb_arg);
3581                                 return -ENOMEM;
3582                         }
3583
3584                 }
3585         } while (++next_port <= last_port);
3586
3587         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3588         return 0;
3589 }
3590
3591 int
3592 rte_eth_dev_callback_unregister(uint16_t port_id,
3593                         enum rte_eth_event_type event,
3594                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3595 {
3596         int ret;
3597         struct rte_eth_dev *dev;
3598         struct rte_eth_dev_callback *cb, *next;
3599         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3600         uint16_t last_port;
3601
3602         if (!cb_fn)
3603                 return -EINVAL;
3604
3605         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3606                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3607                 return -EINVAL;
3608         }
3609
3610         if (port_id == RTE_ETH_ALL) {
3611                 next_port = 0;
3612                 last_port = RTE_MAX_ETHPORTS - 1;
3613         } else {
3614                 next_port = last_port = port_id;
3615         }
3616
3617         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3618
3619         do {
3620                 dev = &rte_eth_devices[next_port];
3621                 ret = 0;
3622                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3623                      cb = next) {
3624
3625                         next = TAILQ_NEXT(cb, next);
3626
3627                         if (cb->cb_fn != cb_fn || cb->event != event ||
3628                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3629                                 continue;
3630
3631                         /*
3632                          * if this callback is not executing right now,
3633                          * then remove it.
3634                          */
3635                         if (cb->active == 0) {
3636                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3637                                 rte_free(cb);
3638                         } else {
3639                                 ret = -EAGAIN;
3640                         }
3641                 }
3642         } while (++next_port <= last_port);
3643
3644         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3645         return ret;
3646 }
3647
3648 int
3649 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3650         enum rte_eth_event_type event, void *ret_param)
3651 {
3652         struct rte_eth_dev_callback *cb_lst;
3653         struct rte_eth_dev_callback dev_cb;
3654         int rc = 0;
3655
3656         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3657         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3658                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3659                         continue;
3660                 dev_cb = *cb_lst;
3661                 cb_lst->active = 1;
3662                 if (ret_param != NULL)
3663                         dev_cb.ret_param = ret_param;
3664
3665                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3666                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3667                                 dev_cb.cb_arg, dev_cb.ret_param);
3668                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3669                 cb_lst->active = 0;
3670         }
3671         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3672         return rc;
3673 }
3674
3675 void
3676 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3677 {
3678         if (dev == NULL)
3679                 return;
3680
3681         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3682
3683         dev->state = RTE_ETH_DEV_ATTACHED;
3684 }
3685
3686 int
3687 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3688 {
3689         uint32_t vec;
3690         struct rte_eth_dev *dev;
3691         struct rte_intr_handle *intr_handle;
3692         uint16_t qid;
3693         int rc;
3694
3695         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3696
3697         dev = &rte_eth_devices[port_id];
3698
3699         if (!dev->intr_handle) {
3700                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3701                 return -ENOTSUP;
3702         }
3703
3704         intr_handle = dev->intr_handle;
3705         if (!intr_handle->intr_vec) {
3706                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3707                 return -EPERM;
3708         }
3709
3710         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3711                 vec = intr_handle->intr_vec[qid];
3712                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3713                 if (rc && rc != -EEXIST) {
3714                         RTE_ETHDEV_LOG(ERR,
3715                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3716                                 port_id, qid, op, epfd, vec);
3717                 }
3718         }
3719
3720         return 0;
3721 }
3722
3723 int
3724 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3725 {
3726         struct rte_intr_handle *intr_handle;
3727         struct rte_eth_dev *dev;
3728         unsigned int efd_idx;
3729         uint32_t vec;
3730         int fd;
3731
3732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3733
3734         dev = &rte_eth_devices[port_id];
3735
3736         if (queue_id >= dev->data->nb_rx_queues) {
3737                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3738                 return -1;
3739         }
3740
3741         if (!dev->intr_handle) {
3742                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3743                 return -1;
3744         }
3745
3746         intr_handle = dev->intr_handle;
3747         if (!intr_handle->intr_vec) {
3748                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3749                 return -1;
3750         }
3751
3752         vec = intr_handle->intr_vec[queue_id];
3753         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3754                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3755         fd = intr_handle->efds[efd_idx];
3756
3757         return fd;
3758 }
3759
3760 const struct rte_memzone *
3761 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3762                          uint16_t queue_id, size_t size, unsigned align,
3763                          int socket_id)
3764 {
3765         char z_name[RTE_MEMZONE_NAMESIZE];
3766         const struct rte_memzone *mz;
3767         int rc;
3768
3769         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3770                       dev->data->port_id, queue_id, ring_name);
3771         if (rc >= RTE_MEMZONE_NAMESIZE) {
3772                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3773                 rte_errno = ENAMETOOLONG;
3774                 return NULL;
3775         }
3776
3777         mz = rte_memzone_lookup(z_name);
3778         if (mz)
3779                 return mz;
3780
3781         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3782                         RTE_MEMZONE_IOVA_CONTIG, align);
3783 }
3784
3785 int
3786 rte_eth_dev_create(struct rte_device *device, const char *name,
3787         size_t priv_data_size,
3788         ethdev_bus_specific_init ethdev_bus_specific_init,
3789         void *bus_init_params,
3790         ethdev_init_t ethdev_init, void *init_params)
3791 {
3792         struct rte_eth_dev *ethdev;
3793         int retval;
3794
3795         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3796
3797         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3798                 ethdev = rte_eth_dev_allocate(name);
3799                 if (!ethdev)
3800                         return -ENODEV;
3801
3802                 if (priv_data_size) {
3803                         ethdev->data->dev_private = rte_zmalloc_socket(
3804                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3805                                 device->numa_node);
3806
3807                         if (!ethdev->data->dev_private) {
3808                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3809                                 retval = -ENOMEM;
3810                                 goto probe_failed;
3811                         }
3812                 }
3813         } else {
3814                 ethdev = rte_eth_dev_attach_secondary(name);
3815                 if (!ethdev) {
3816                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3817                                 "ethdev doesn't exist");
3818                         return  -ENODEV;
3819                 }
3820         }
3821
3822         ethdev->device = device;
3823
3824         if (ethdev_bus_specific_init) {
3825                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3826                 if (retval) {
3827                         RTE_LOG(ERR, EAL,
3828                                 "ethdev bus specific initialisation failed");
3829                         goto probe_failed;
3830                 }
3831         }
3832
3833         retval = ethdev_init(ethdev, init_params);
3834         if (retval) {
3835                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3836                 goto probe_failed;
3837         }
3838
3839         rte_eth_dev_probing_finish(ethdev);
3840
3841         return retval;
3842
3843 probe_failed:
3844         rte_eth_dev_release_port(ethdev);
3845         return retval;
3846 }
3847
3848 int
3849 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3850         ethdev_uninit_t ethdev_uninit)
3851 {
3852         int ret;
3853
3854         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3855         if (!ethdev)
3856                 return -ENODEV;
3857
3858         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3859
3860         ret = ethdev_uninit(ethdev);
3861         if (ret)
3862                 return ret;
3863
3864         return rte_eth_dev_release_port(ethdev);
3865 }
3866
3867 int
3868 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3869                           int epfd, int op, void *data)
3870 {
3871         uint32_t vec;
3872         struct rte_eth_dev *dev;
3873         struct rte_intr_handle *intr_handle;
3874         int rc;
3875
3876         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3877
3878         dev = &rte_eth_devices[port_id];
3879         if (queue_id >= dev->data->nb_rx_queues) {
3880                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3881                 return -EINVAL;
3882         }
3883
3884         if (!dev->intr_handle) {
3885                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3886                 return -ENOTSUP;
3887         }
3888
3889         intr_handle = dev->intr_handle;
3890         if (!intr_handle->intr_vec) {
3891                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3892                 return -EPERM;
3893         }
3894
3895         vec = intr_handle->intr_vec[queue_id];
3896         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3897         if (rc && rc != -EEXIST) {
3898                 RTE_ETHDEV_LOG(ERR,
3899                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3900                         port_id, queue_id, op, epfd, vec);
3901                 return rc;
3902         }
3903
3904         return 0;
3905 }
3906
3907 int
3908 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3909                            uint16_t queue_id)
3910 {
3911         struct rte_eth_dev *dev;
3912
3913         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3914
3915         dev = &rte_eth_devices[port_id];
3916
3917         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3918         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3919                                                                 queue_id));
3920 }
3921
3922 int
3923 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3924                             uint16_t queue_id)
3925 {
3926         struct rte_eth_dev *dev;
3927
3928         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3929
3930         dev = &rte_eth_devices[port_id];
3931
3932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3933         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3934                                                                 queue_id));
3935 }
3936
3937
3938 int
3939 rte_eth_dev_filter_supported(uint16_t port_id,
3940                              enum rte_filter_type filter_type)
3941 {
3942         struct rte_eth_dev *dev;
3943
3944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3945
3946         dev = &rte_eth_devices[port_id];
3947         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3948         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3949                                 RTE_ETH_FILTER_NOP, NULL);
3950 }
3951
3952 int
3953 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3954                         enum rte_filter_op filter_op, void *arg)
3955 {
3956         struct rte_eth_dev *dev;
3957
3958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3959
3960         dev = &rte_eth_devices[port_id];
3961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3962         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3963                                                              filter_op, arg));
3964 }
3965
3966 const struct rte_eth_rxtx_callback *
3967 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3968                 rte_rx_callback_fn fn, void *user_param)
3969 {
3970 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3971         rte_errno = ENOTSUP;
3972         return NULL;
3973 #endif
3974         /* check input parameters */
3975         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3976                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3977                 rte_errno = EINVAL;
3978                 return NULL;
3979         }
3980         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3981
3982         if (cb == NULL) {
3983                 rte_errno = ENOMEM;
3984                 return NULL;
3985         }
3986
3987         cb->fn.rx = fn;
3988         cb->param = user_param;
3989
3990         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3991         /* Add the callbacks in fifo order. */
3992         struct rte_eth_rxtx_callback *tail =
3993                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3994
3995         if (!tail) {
3996                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3997
3998         } else {
3999                 while (tail->next)
4000                         tail = tail->next;
4001                 tail->next = cb;
4002         }
4003         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4004
4005         return cb;
4006 }
4007
4008 const struct rte_eth_rxtx_callback *
4009 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4010                 rte_rx_callback_fn fn, void *user_param)
4011 {
4012 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4013         rte_errno = ENOTSUP;
4014         return NULL;
4015 #endif
4016         /* check input parameters */
4017         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4018                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4019                 rte_errno = EINVAL;
4020                 return NULL;
4021         }
4022
4023         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4024
4025         if (cb == NULL) {
4026                 rte_errno = ENOMEM;
4027                 return NULL;
4028         }
4029
4030         cb->fn.rx = fn;
4031         cb->param = user_param;
4032
4033         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4034         /* Add the callbacks at fisrt position*/
4035         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4036         rte_smp_wmb();
4037         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4038         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4039
4040         return cb;
4041 }
4042
4043 const struct rte_eth_rxtx_callback *
4044 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4045                 rte_tx_callback_fn fn, void *user_param)
4046 {
4047 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4048         rte_errno = ENOTSUP;
4049         return NULL;
4050 #endif
4051         /* check input parameters */
4052         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4053                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4054                 rte_errno = EINVAL;
4055                 return NULL;
4056         }
4057
4058         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4059
4060         if (cb == NULL) {
4061                 rte_errno = ENOMEM;
4062                 return NULL;
4063         }
4064
4065         cb->fn.tx = fn;
4066         cb->param = user_param;
4067
4068         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4069         /* Add the callbacks in fifo order. */
4070         struct rte_eth_rxtx_callback *tail =
4071                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4072
4073         if (!tail) {
4074                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4075
4076         } else {
4077                 while (tail->next)
4078                         tail = tail->next;
4079                 tail->next = cb;
4080         }
4081         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4082
4083         return cb;
4084 }
4085
4086 int
4087 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4088                 const struct rte_eth_rxtx_callback *user_cb)
4089 {
4090 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4091         return -ENOTSUP;
4092 #endif
4093         /* Check input parameters. */
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4095         if (user_cb == NULL ||
4096                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4097                 return -EINVAL;
4098
4099         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4100         struct rte_eth_rxtx_callback *cb;
4101         struct rte_eth_rxtx_callback **prev_cb;
4102         int ret = -EINVAL;
4103
4104         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4105         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4106         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4107                 cb = *prev_cb;
4108                 if (cb == user_cb) {
4109                         /* Remove the user cb from the callback list. */
4110                         *prev_cb = cb->next;
4111                         ret = 0;
4112                         break;
4113                 }
4114         }
4115         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4116
4117         return ret;
4118 }
4119
4120 int
4121 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4122                 const struct rte_eth_rxtx_callback *user_cb)
4123 {
4124 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4125         return -ENOTSUP;
4126 #endif
4127         /* Check input parameters. */
4128         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4129         if (user_cb == NULL ||
4130                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4131                 return -EINVAL;
4132
4133         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4134         int ret = -EINVAL;
4135         struct rte_eth_rxtx_callback *cb;
4136         struct rte_eth_rxtx_callback **prev_cb;
4137
4138         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4139         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4140         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4141                 cb = *prev_cb;
4142                 if (cb == user_cb) {
4143                         /* Remove the user cb from the callback list. */
4144                         *prev_cb = cb->next;
4145                         ret = 0;
4146                         break;
4147                 }
4148         }
4149         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4150
4151         return ret;
4152 }
4153
4154 int
4155 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4156         struct rte_eth_rxq_info *qinfo)
4157 {
4158         struct rte_eth_dev *dev;
4159
4160         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4161
4162         if (qinfo == NULL)
4163                 return -EINVAL;
4164
4165         dev = &rte_eth_devices[port_id];
4166         if (queue_id >= dev->data->nb_rx_queues) {
4167                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4168                 return -EINVAL;
4169         }
4170
4171         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4172
4173         memset(qinfo, 0, sizeof(*qinfo));
4174         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4175         return 0;
4176 }
4177
4178 int
4179 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4180         struct rte_eth_txq_info *qinfo)
4181 {
4182         struct rte_eth_dev *dev;
4183
4184         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4185
4186         if (qinfo == NULL)
4187                 return -EINVAL;
4188
4189         dev = &rte_eth_devices[port_id];
4190         if (queue_id >= dev->data->nb_tx_queues) {
4191                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4192                 return -EINVAL;
4193         }
4194
4195         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4196
4197         memset(qinfo, 0, sizeof(*qinfo));
4198         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4199
4200         return 0;
4201 }
4202
4203 int
4204 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4205                              struct rte_ether_addr *mc_addr_set,
4206                              uint32_t nb_mc_addr)
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->set_mc_addr_list, -ENOTSUP);
4214         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4215                                                 mc_addr_set, nb_mc_addr));
4216 }
4217
4218 int
4219 rte_eth_timesync_enable(uint16_t port_id)
4220 {
4221         struct rte_eth_dev *dev;
4222
4223         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4224         dev = &rte_eth_devices[port_id];
4225
4226         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4227         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4228 }
4229
4230 int
4231 rte_eth_timesync_disable(uint16_t port_id)
4232 {
4233         struct rte_eth_dev *dev;
4234
4235         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4236         dev = &rte_eth_devices[port_id];
4237
4238         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4239         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4240 }
4241
4242 int
4243 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4244                                    uint32_t flags)
4245 {
4246         struct rte_eth_dev *dev;
4247
4248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249         dev = &rte_eth_devices[port_id];
4250
4251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4252         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4253                                 (dev, timestamp, flags));
4254 }
4255
4256 int
4257 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4258                                    struct timespec *timestamp)
4259 {
4260         struct rte_eth_dev *dev;
4261
4262         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4263         dev = &rte_eth_devices[port_id];
4264
4265         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4266         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4267                                 (dev, timestamp));
4268 }
4269
4270 int
4271 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4272 {
4273         struct rte_eth_dev *dev;
4274
4275         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4276         dev = &rte_eth_devices[port_id];
4277
4278         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4279         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4280                                                                       delta));
4281 }
4282
4283 int
4284 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4285 {
4286         struct rte_eth_dev *dev;
4287
4288         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4289         dev = &rte_eth_devices[port_id];
4290
4291         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4292         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4293                                                                 timestamp));
4294 }
4295
4296 int
4297 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4298 {
4299         struct rte_eth_dev *dev;
4300
4301         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4302         dev = &rte_eth_devices[port_id];
4303
4304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4305         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4306                                                                 timestamp));
4307 }
4308
4309 int
4310 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4311 {
4312         struct rte_eth_dev *dev;
4313
4314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4315         dev = &rte_eth_devices[port_id];
4316
4317         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4318         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4319 }
4320
4321 int
4322 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4323 {
4324         struct rte_eth_dev *dev;
4325
4326         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4327
4328         dev = &rte_eth_devices[port_id];
4329         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4330         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4331 }
4332
4333 int
4334 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4335 {
4336         struct rte_eth_dev *dev;
4337
4338         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4339
4340         dev = &rte_eth_devices[port_id];
4341         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4342         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4343 }
4344
4345 int
4346 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4347 {
4348         struct rte_eth_dev *dev;
4349
4350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4351
4352         dev = &rte_eth_devices[port_id];
4353         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4354         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4355 }
4356
4357 int
4358 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4359 {
4360         struct rte_eth_dev *dev;
4361
4362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4363
4364         dev = &rte_eth_devices[port_id];
4365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4366         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4367 }
4368
4369 int
4370 rte_eth_dev_get_module_info(uint16_t port_id,
4371                             struct rte_eth_dev_module_info *modinfo)
4372 {
4373         struct rte_eth_dev *dev;
4374
4375         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4376
4377         dev = &rte_eth_devices[port_id];
4378         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4379         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4380 }
4381
4382 int
4383 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4384                               struct rte_dev_eeprom_info *info)
4385 {
4386         struct rte_eth_dev *dev;
4387
4388         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4389
4390         dev = &rte_eth_devices[port_id];
4391         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4392         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4393 }
4394
4395 int
4396 rte_eth_dev_get_dcb_info(uint16_t port_id,
4397                              struct rte_eth_dcb_info *dcb_info)
4398 {
4399         struct rte_eth_dev *dev;
4400
4401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4402
4403         dev = &rte_eth_devices[port_id];
4404         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4405
4406         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4407         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4408 }
4409
4410 int
4411 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4412                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4413 {
4414         struct rte_eth_dev *dev;
4415
4416         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4417         if (l2_tunnel == NULL) {
4418                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4419                 return -EINVAL;
4420         }
4421
4422         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4423                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4424                 return -EINVAL;
4425         }
4426
4427         dev = &rte_eth_devices[port_id];
4428         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4429                                 -ENOTSUP);
4430         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4431                                                                 l2_tunnel));
4432 }
4433
4434 int
4435 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4436                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4437                                   uint32_t mask,
4438                                   uint8_t en)
4439 {
4440         struct rte_eth_dev *dev;
4441
4442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4443
4444         if (l2_tunnel == NULL) {
4445                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4446                 return -EINVAL;
4447         }
4448
4449         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4450                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4451                 return -EINVAL;
4452         }
4453
4454         if (mask == 0) {
4455                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4456                 return -EINVAL;
4457         }
4458
4459         dev = &rte_eth_devices[port_id];
4460         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4461                                 -ENOTSUP);
4462         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4463                                                         l2_tunnel, mask, en));
4464 }
4465
4466 static void
4467 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4468                            const struct rte_eth_desc_lim *desc_lim)
4469 {
4470         if (desc_lim->nb_align != 0)
4471                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4472
4473         if (desc_lim->nb_max != 0)
4474                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4475
4476         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4477 }
4478
4479 int
4480 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4481                                  uint16_t *nb_rx_desc,
4482                                  uint16_t *nb_tx_desc)
4483 {
4484         struct rte_eth_dev_info dev_info;
4485         int ret;
4486
4487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4488
4489         ret = rte_eth_dev_info_get(port_id, &dev_info);
4490         if (ret != 0)
4491                 return ret;
4492
4493         if (nb_rx_desc != NULL)
4494                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4495
4496         if (nb_tx_desc != NULL)
4497                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4498
4499         return 0;
4500 }
4501
4502 int
4503 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4504 {
4505         struct rte_eth_dev *dev;
4506
4507         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4508
4509         if (pool == NULL)
4510                 return -EINVAL;
4511
4512         dev = &rte_eth_devices[port_id];
4513
4514         if (*dev->dev_ops->pool_ops_supported == NULL)
4515                 return 1; /* all pools are supported */
4516
4517         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4518 }
4519
4520 /**
4521  * A set of values to describe the possible states of a switch domain.
4522  */
4523 enum rte_eth_switch_domain_state {
4524         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4525         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4526 };
4527
4528 /**
4529  * Array of switch domains available for allocation. Array is sized to
4530  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4531  * ethdev ports in a single process.
4532  */
4533 static struct rte_eth_dev_switch {
4534         enum rte_eth_switch_domain_state state;
4535 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4536
4537 int
4538 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4539 {
4540         unsigned int i;
4541
4542         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4543
4544         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4545                 i < RTE_MAX_ETHPORTS; i++) {
4546                 if (rte_eth_switch_domains[i].state ==
4547                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4548                         rte_eth_switch_domains[i].state =
4549                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4550                         *domain_id = i;
4551                         return 0;
4552                 }
4553         }
4554
4555         return -ENOSPC;
4556 }
4557
4558 int
4559 rte_eth_switch_domain_free(uint16_t domain_id)
4560 {
4561         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4562                 domain_id >= RTE_MAX_ETHPORTS)
4563                 return -EINVAL;
4564
4565         if (rte_eth_switch_domains[domain_id].state !=
4566                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4567                 return -EINVAL;
4568
4569         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4570
4571         return 0;
4572 }
4573
4574 static int
4575 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4576 {
4577         int state;
4578         struct rte_kvargs_pair *pair;
4579         char *letter;
4580
4581         arglist->str = strdup(str_in);
4582         if (arglist->str == NULL)
4583                 return -ENOMEM;
4584
4585         letter = arglist->str;
4586         state = 0;
4587         arglist->count = 0;
4588         pair = &arglist->pairs[0];
4589         while (1) {
4590                 switch (state) {
4591                 case 0: /* Initial */
4592                         if (*letter == '=')
4593                                 return -EINVAL;
4594                         else if (*letter == '\0')
4595                                 return 0;
4596
4597                         state = 1;
4598                         pair->key = letter;
4599                         /* fall-thru */
4600
4601                 case 1: /* Parsing key */
4602                         if (*letter == '=') {
4603                                 *letter = '\0';
4604                                 pair->value = letter + 1;
4605                                 state = 2;
4606                         } else if (*letter == ',' || *letter == '\0')
4607                                 return -EINVAL;
4608                         break;
4609
4610
4611                 case 2: /* Parsing value */
4612                         if (*letter == '[')
4613                                 state = 3;
4614                         else if (*letter == ',') {
4615                                 *letter = '\0';
4616                                 arglist->count++;
4617                                 pair = &arglist->pairs[arglist->count];
4618                                 state = 0;
4619                         } else if (*letter == '\0') {
4620                                 letter--;
4621                                 arglist->count++;
4622                                 pair = &arglist->pairs[arglist->count];
4623                                 state = 0;
4624                         }
4625                         break;
4626
4627                 case 3: /* Parsing list */
4628                         if (*letter == ']')
4629                                 state = 2;
4630                         else if (*letter == '\0')
4631                                 return -EINVAL;
4632                         break;
4633                 }
4634                 letter++;
4635         }
4636 }
4637
4638 int
4639 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4640 {
4641         struct rte_kvargs args;
4642         struct rte_kvargs_pair *pair;
4643         unsigned int i;
4644         int result = 0;
4645
4646         memset(eth_da, 0, sizeof(*eth_da));
4647
4648         result = rte_eth_devargs_tokenise(&args, dargs);
4649         if (result < 0)
4650                 goto parse_cleanup;
4651
4652         for (i = 0; i < args.count; i++) {
4653                 pair = &args.pairs[i];
4654                 if (strcmp("representor", pair->key) == 0) {
4655                         result = rte_eth_devargs_parse_list(pair->value,
4656                                 rte_eth_devargs_parse_representor_ports,
4657                                 eth_da);
4658                         if (result < 0)
4659                                 goto parse_cleanup;
4660                 }
4661         }
4662
4663 parse_cleanup:
4664         if (args.str)
4665                 free(args.str);
4666
4667         return result;
4668 }
4669
4670 RTE_INIT(ethdev_init_log)
4671 {
4672         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4673         if (rte_eth_dev_logtype >= 0)
4674                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4675 }