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         /*
1426          * use callbacks directly since we don't need port_id check and
1427          * would like to bypass the same value set
1428          */
1429         if (rte_eth_allmulticast_get(port_id) == 1 &&
1430             *dev->dev_ops->allmulticast_enable != NULL) {
1431                 ret = eth_err(port_id,
1432                               (*dev->dev_ops->allmulticast_enable)(dev));
1433                 if (ret != 0 && ret != -ENOTSUP) {
1434                         RTE_ETHDEV_LOG(ERR,
1435                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1436                                 port_id, rte_strerror(-ret));
1437                         return ret;
1438                 }
1439         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1440                    *dev->dev_ops->allmulticast_disable != NULL) {
1441                 ret = eth_err(port_id,
1442                               (*dev->dev_ops->allmulticast_disable)(dev));
1443                 if (ret != 0 && ret != -ENOTSUP) {
1444                         RTE_ETHDEV_LOG(ERR,
1445                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1446                                 port_id, rte_strerror(-ret));
1447                         return ret;
1448                 }
1449         }
1450
1451         return 0;
1452 }
1453
1454 int
1455 rte_eth_dev_start(uint16_t port_id)
1456 {
1457         struct rte_eth_dev *dev;
1458         struct rte_eth_dev_info dev_info;
1459         int diag;
1460         int ret;
1461
1462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1463
1464         dev = &rte_eth_devices[port_id];
1465
1466         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1467
1468         if (dev->data->dev_started != 0) {
1469                 RTE_ETHDEV_LOG(INFO,
1470                         "Device with port_id=%"PRIu16" already started\n",
1471                         port_id);
1472                 return 0;
1473         }
1474
1475         ret = rte_eth_dev_info_get(port_id, &dev_info);
1476         if (ret != 0)
1477                 return ret;
1478
1479         /* Lets restore MAC now if device does not support live change */
1480         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1481                 rte_eth_dev_mac_restore(dev, &dev_info);
1482
1483         diag = (*dev->dev_ops->dev_start)(dev);
1484         if (diag == 0)
1485                 dev->data->dev_started = 1;
1486         else
1487                 return eth_err(port_id, diag);
1488
1489         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1490         if (ret != 0) {
1491                 RTE_ETHDEV_LOG(ERR,
1492                         "Error during restoring configuration for device (port %u): %s\n",
1493                         port_id, rte_strerror(-ret));
1494                 rte_eth_dev_stop(port_id);
1495                 return ret;
1496         }
1497
1498         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1499                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1500                 (*dev->dev_ops->link_update)(dev, 0);
1501         }
1502         return 0;
1503 }
1504
1505 void
1506 rte_eth_dev_stop(uint16_t port_id)
1507 {
1508         struct rte_eth_dev *dev;
1509
1510         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1511         dev = &rte_eth_devices[port_id];
1512
1513         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1514
1515         if (dev->data->dev_started == 0) {
1516                 RTE_ETHDEV_LOG(INFO,
1517                         "Device with port_id=%"PRIu16" already stopped\n",
1518                         port_id);
1519                 return;
1520         }
1521
1522         dev->data->dev_started = 0;
1523         (*dev->dev_ops->dev_stop)(dev);
1524 }
1525
1526 int
1527 rte_eth_dev_set_link_up(uint16_t port_id)
1528 {
1529         struct rte_eth_dev *dev;
1530
1531         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1532
1533         dev = &rte_eth_devices[port_id];
1534
1535         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1536         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1537 }
1538
1539 int
1540 rte_eth_dev_set_link_down(uint16_t port_id)
1541 {
1542         struct rte_eth_dev *dev;
1543
1544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1545
1546         dev = &rte_eth_devices[port_id];
1547
1548         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1549         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1550 }
1551
1552 void
1553 rte_eth_dev_close(uint16_t port_id)
1554 {
1555         struct rte_eth_dev *dev;
1556
1557         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1558         dev = &rte_eth_devices[port_id];
1559
1560         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1561         dev->data->dev_started = 0;
1562         (*dev->dev_ops->dev_close)(dev);
1563
1564         /* check behaviour flag - temporary for PMD migration */
1565         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1566                 /* new behaviour: send event + reset state + free all data */
1567                 rte_eth_dev_release_port(dev);
1568                 return;
1569         }
1570         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1571                         "The driver %s should migrate to the new behaviour.\n",
1572                         dev->device->driver->name);
1573         /* old behaviour: only free queue arrays */
1574         dev->data->nb_rx_queues = 0;
1575         rte_free(dev->data->rx_queues);
1576         dev->data->rx_queues = NULL;
1577         dev->data->nb_tx_queues = 0;
1578         rte_free(dev->data->tx_queues);
1579         dev->data->tx_queues = NULL;
1580 }
1581
1582 int
1583 rte_eth_dev_reset(uint16_t port_id)
1584 {
1585         struct rte_eth_dev *dev;
1586         int ret;
1587
1588         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1589         dev = &rte_eth_devices[port_id];
1590
1591         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1592
1593         rte_eth_dev_stop(port_id);
1594         ret = dev->dev_ops->dev_reset(dev);
1595
1596         return eth_err(port_id, ret);
1597 }
1598
1599 int
1600 rte_eth_dev_is_removed(uint16_t port_id)
1601 {
1602         struct rte_eth_dev *dev;
1603         int ret;
1604
1605         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1606
1607         dev = &rte_eth_devices[port_id];
1608
1609         if (dev->state == RTE_ETH_DEV_REMOVED)
1610                 return 1;
1611
1612         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1613
1614         ret = dev->dev_ops->is_removed(dev);
1615         if (ret != 0)
1616                 /* Device is physically removed. */
1617                 dev->state = RTE_ETH_DEV_REMOVED;
1618
1619         return ret;
1620 }
1621
1622 int
1623 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1624                        uint16_t nb_rx_desc, unsigned int socket_id,
1625                        const struct rte_eth_rxconf *rx_conf,
1626                        struct rte_mempool *mp)
1627 {
1628         int ret;
1629         uint32_t mbp_buf_size;
1630         struct rte_eth_dev *dev;
1631         struct rte_eth_dev_info dev_info;
1632         struct rte_eth_rxconf local_conf;
1633         void **rxq;
1634
1635         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1636
1637         dev = &rte_eth_devices[port_id];
1638         if (rx_queue_id >= dev->data->nb_rx_queues) {
1639                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1640                 return -EINVAL;
1641         }
1642
1643         if (mp == NULL) {
1644                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1645                 return -EINVAL;
1646         }
1647
1648         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1649
1650         /*
1651          * Check the size of the mbuf data buffer.
1652          * This value must be provided in the private data of the memory pool.
1653          * First check that the memory pool has a valid private data.
1654          */
1655         ret = rte_eth_dev_info_get(port_id, &dev_info);
1656         if (ret != 0)
1657                 return ret;
1658
1659         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1660                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1661                         mp->name, (int)mp->private_data_size,
1662                         (int)sizeof(struct rte_pktmbuf_pool_private));
1663                 return -ENOSPC;
1664         }
1665         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1666
1667         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1668                 RTE_ETHDEV_LOG(ERR,
1669                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1670                         mp->name, (int)mbp_buf_size,
1671                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1672                         (int)RTE_PKTMBUF_HEADROOM,
1673                         (int)dev_info.min_rx_bufsize);
1674                 return -EINVAL;
1675         }
1676
1677         /* Use default specified by driver, if nb_rx_desc is zero */
1678         if (nb_rx_desc == 0) {
1679                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1680                 /* If driver default is also zero, fall back on EAL default */
1681                 if (nb_rx_desc == 0)
1682                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1683         }
1684
1685         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1686                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1687                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1688
1689                 RTE_ETHDEV_LOG(ERR,
1690                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1691                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1692                         dev_info.rx_desc_lim.nb_min,
1693                         dev_info.rx_desc_lim.nb_align);
1694                 return -EINVAL;
1695         }
1696
1697         if (dev->data->dev_started &&
1698                 !(dev_info.dev_capa &
1699                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1700                 return -EBUSY;
1701
1702         if (dev->data->dev_started &&
1703                 (dev->data->rx_queue_state[rx_queue_id] !=
1704                         RTE_ETH_QUEUE_STATE_STOPPED))
1705                 return -EBUSY;
1706
1707         rxq = dev->data->rx_queues;
1708         if (rxq[rx_queue_id]) {
1709                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1710                                         -ENOTSUP);
1711                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1712                 rxq[rx_queue_id] = NULL;
1713         }
1714
1715         if (rx_conf == NULL)
1716                 rx_conf = &dev_info.default_rxconf;
1717
1718         local_conf = *rx_conf;
1719
1720         /*
1721          * If an offloading has already been enabled in
1722          * rte_eth_dev_configure(), it has been enabled on all queues,
1723          * so there is no need to enable it in this queue again.
1724          * The local_conf.offloads input to underlying PMD only carries
1725          * those offloadings which are only enabled on this queue and
1726          * not enabled on all queues.
1727          */
1728         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1729
1730         /*
1731          * New added offloadings for this queue are those not enabled in
1732          * rte_eth_dev_configure() and they must be per-queue type.
1733          * A pure per-port offloading can't be enabled on a queue while
1734          * disabled on another queue. A pure per-port offloading can't
1735          * be enabled for any queue as new added one if it hasn't been
1736          * enabled in rte_eth_dev_configure().
1737          */
1738         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1739              local_conf.offloads) {
1740                 RTE_ETHDEV_LOG(ERR,
1741                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1742                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1743                         port_id, rx_queue_id, local_conf.offloads,
1744                         dev_info.rx_queue_offload_capa,
1745                         __func__);
1746                 return -EINVAL;
1747         }
1748
1749         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1750                                               socket_id, &local_conf, mp);
1751         if (!ret) {
1752                 if (!dev->data->min_rx_buf_size ||
1753                     dev->data->min_rx_buf_size > mbp_buf_size)
1754                         dev->data->min_rx_buf_size = mbp_buf_size;
1755         }
1756
1757         return eth_err(port_id, ret);
1758 }
1759
1760 int
1761 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1762                        uint16_t nb_tx_desc, unsigned int socket_id,
1763                        const struct rte_eth_txconf *tx_conf)
1764 {
1765         struct rte_eth_dev *dev;
1766         struct rte_eth_dev_info dev_info;
1767         struct rte_eth_txconf local_conf;
1768         void **txq;
1769         int ret;
1770
1771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1772
1773         dev = &rte_eth_devices[port_id];
1774         if (tx_queue_id >= dev->data->nb_tx_queues) {
1775                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1776                 return -EINVAL;
1777         }
1778
1779         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1780
1781         ret = rte_eth_dev_info_get(port_id, &dev_info);
1782         if (ret != 0)
1783                 return ret;
1784
1785         /* Use default specified by driver, if nb_tx_desc is zero */
1786         if (nb_tx_desc == 0) {
1787                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1788                 /* If driver default is zero, fall back on EAL default */
1789                 if (nb_tx_desc == 0)
1790                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1791         }
1792         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1793             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1794             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1795                 RTE_ETHDEV_LOG(ERR,
1796                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1797                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1798                         dev_info.tx_desc_lim.nb_min,
1799                         dev_info.tx_desc_lim.nb_align);
1800                 return -EINVAL;
1801         }
1802
1803         if (dev->data->dev_started &&
1804                 !(dev_info.dev_capa &
1805                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1806                 return -EBUSY;
1807
1808         if (dev->data->dev_started &&
1809                 (dev->data->tx_queue_state[tx_queue_id] !=
1810                         RTE_ETH_QUEUE_STATE_STOPPED))
1811                 return -EBUSY;
1812
1813         txq = dev->data->tx_queues;
1814         if (txq[tx_queue_id]) {
1815                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1816                                         -ENOTSUP);
1817                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1818                 txq[tx_queue_id] = NULL;
1819         }
1820
1821         if (tx_conf == NULL)
1822                 tx_conf = &dev_info.default_txconf;
1823
1824         local_conf = *tx_conf;
1825
1826         /*
1827          * If an offloading has already been enabled in
1828          * rte_eth_dev_configure(), it has been enabled on all queues,
1829          * so there is no need to enable it in this queue again.
1830          * The local_conf.offloads input to underlying PMD only carries
1831          * those offloadings which are only enabled on this queue and
1832          * not enabled on all queues.
1833          */
1834         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1835
1836         /*
1837          * New added offloadings for this queue are those not enabled in
1838          * rte_eth_dev_configure() and they must be per-queue type.
1839          * A pure per-port offloading can't be enabled on a queue while
1840          * disabled on another queue. A pure per-port offloading can't
1841          * be enabled for any queue as new added one if it hasn't been
1842          * enabled in rte_eth_dev_configure().
1843          */
1844         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1845              local_conf.offloads) {
1846                 RTE_ETHDEV_LOG(ERR,
1847                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1848                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1849                         port_id, tx_queue_id, local_conf.offloads,
1850                         dev_info.tx_queue_offload_capa,
1851                         __func__);
1852                 return -EINVAL;
1853         }
1854
1855         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1856                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1857 }
1858
1859 void
1860 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1861                 void *userdata __rte_unused)
1862 {
1863         unsigned i;
1864
1865         for (i = 0; i < unsent; i++)
1866                 rte_pktmbuf_free(pkts[i]);
1867 }
1868
1869 void
1870 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1871                 void *userdata)
1872 {
1873         uint64_t *count = userdata;
1874         unsigned i;
1875
1876         for (i = 0; i < unsent; i++)
1877                 rte_pktmbuf_free(pkts[i]);
1878
1879         *count += unsent;
1880 }
1881
1882 int
1883 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1884                 buffer_tx_error_fn cbfn, void *userdata)
1885 {
1886         buffer->error_callback = cbfn;
1887         buffer->error_userdata = userdata;
1888         return 0;
1889 }
1890
1891 int
1892 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1893 {
1894         int ret = 0;
1895
1896         if (buffer == NULL)
1897                 return -EINVAL;
1898
1899         buffer->size = size;
1900         if (buffer->error_callback == NULL) {
1901                 ret = rte_eth_tx_buffer_set_err_callback(
1902                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1903         }
1904
1905         return ret;
1906 }
1907
1908 int
1909 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1910 {
1911         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1912         int ret;
1913
1914         /* Validate Input Data. Bail if not valid or not supported. */
1915         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1916         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1917
1918         /* Call driver to free pending mbufs. */
1919         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1920                                                free_cnt);
1921         return eth_err(port_id, ret);
1922 }
1923
1924 int
1925 rte_eth_promiscuous_enable(uint16_t port_id)
1926 {
1927         struct rte_eth_dev *dev;
1928         int diag = 0;
1929
1930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1931         dev = &rte_eth_devices[port_id];
1932
1933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
1934
1935         if (dev->data->promiscuous == 0) {
1936                 diag = (*dev->dev_ops->promiscuous_enable)(dev);
1937                 dev->data->promiscuous = (diag == 0) ? 1 : 0;
1938         }
1939
1940         return eth_err(port_id, diag);
1941 }
1942
1943 int
1944 rte_eth_promiscuous_disable(uint16_t port_id)
1945 {
1946         struct rte_eth_dev *dev;
1947         int diag = 0;
1948
1949         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1950         dev = &rte_eth_devices[port_id];
1951
1952         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
1953
1954         if (dev->data->promiscuous == 1) {
1955                 dev->data->promiscuous = 0;
1956                 diag = (*dev->dev_ops->promiscuous_disable)(dev);
1957                 if (diag != 0)
1958                         dev->data->promiscuous = 1;
1959         }
1960
1961         return eth_err(port_id, diag);
1962 }
1963
1964 int
1965 rte_eth_promiscuous_get(uint16_t port_id)
1966 {
1967         struct rte_eth_dev *dev;
1968
1969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1970
1971         dev = &rte_eth_devices[port_id];
1972         return dev->data->promiscuous;
1973 }
1974
1975 int
1976 rte_eth_allmulticast_enable(uint16_t port_id)
1977 {
1978         struct rte_eth_dev *dev;
1979         int diag;
1980
1981         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1982         dev = &rte_eth_devices[port_id];
1983
1984         if (dev->data->all_multicast == 1)
1985                 return 0;
1986
1987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
1988         diag = (*dev->dev_ops->allmulticast_enable)(dev);
1989         dev->data->all_multicast = (diag == 0) ? 1 : 0;
1990
1991         return eth_err(port_id, diag);
1992 }
1993
1994 int
1995 rte_eth_allmulticast_disable(uint16_t port_id)
1996 {
1997         struct rte_eth_dev *dev;
1998         int diag;
1999
2000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2001         dev = &rte_eth_devices[port_id];
2002
2003         if (dev->data->all_multicast == 0)
2004                 return 0;
2005
2006         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2007         dev->data->all_multicast = 0;
2008         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2009         if (diag != 0)
2010                 dev->data->all_multicast = 1;
2011
2012         return eth_err(port_id, diag);
2013 }
2014
2015 int
2016 rte_eth_allmulticast_get(uint16_t port_id)
2017 {
2018         struct rte_eth_dev *dev;
2019
2020         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2021
2022         dev = &rte_eth_devices[port_id];
2023         return dev->data->all_multicast;
2024 }
2025
2026 int
2027 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2028 {
2029         struct rte_eth_dev *dev;
2030
2031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2032         dev = &rte_eth_devices[port_id];
2033
2034         if (dev->data->dev_conf.intr_conf.lsc &&
2035             dev->data->dev_started)
2036                 rte_eth_linkstatus_get(dev, eth_link);
2037         else {
2038                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2039                 (*dev->dev_ops->link_update)(dev, 1);
2040                 *eth_link = dev->data->dev_link;
2041         }
2042
2043         return 0;
2044 }
2045
2046 int
2047 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2048 {
2049         struct rte_eth_dev *dev;
2050
2051         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2052         dev = &rte_eth_devices[port_id];
2053
2054         if (dev->data->dev_conf.intr_conf.lsc &&
2055             dev->data->dev_started)
2056                 rte_eth_linkstatus_get(dev, eth_link);
2057         else {
2058                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2059                 (*dev->dev_ops->link_update)(dev, 0);
2060                 *eth_link = dev->data->dev_link;
2061         }
2062
2063         return 0;
2064 }
2065
2066 int
2067 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2068 {
2069         struct rte_eth_dev *dev;
2070
2071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2072
2073         dev = &rte_eth_devices[port_id];
2074         memset(stats, 0, sizeof(*stats));
2075
2076         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2077         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2078         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2079 }
2080
2081 int
2082 rte_eth_stats_reset(uint16_t port_id)
2083 {
2084         struct rte_eth_dev *dev;
2085         int ret;
2086
2087         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2088         dev = &rte_eth_devices[port_id];
2089
2090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2091         ret = (*dev->dev_ops->stats_reset)(dev);
2092         if (ret != 0)
2093                 return eth_err(port_id, ret);
2094
2095         dev->data->rx_mbuf_alloc_failed = 0;
2096
2097         return 0;
2098 }
2099
2100 static inline int
2101 get_xstats_basic_count(struct rte_eth_dev *dev)
2102 {
2103         uint16_t nb_rxqs, nb_txqs;
2104         int count;
2105
2106         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2107         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2108
2109         count = RTE_NB_STATS;
2110         count += nb_rxqs * RTE_NB_RXQ_STATS;
2111         count += nb_txqs * RTE_NB_TXQ_STATS;
2112
2113         return count;
2114 }
2115
2116 static int
2117 get_xstats_count(uint16_t port_id)
2118 {
2119         struct rte_eth_dev *dev;
2120         int count;
2121
2122         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2123         dev = &rte_eth_devices[port_id];
2124         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2125                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2126                                 NULL, 0);
2127                 if (count < 0)
2128                         return eth_err(port_id, count);
2129         }
2130         if (dev->dev_ops->xstats_get_names != NULL) {
2131                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2132                 if (count < 0)
2133                         return eth_err(port_id, count);
2134         } else
2135                 count = 0;
2136
2137
2138         count += get_xstats_basic_count(dev);
2139
2140         return count;
2141 }
2142
2143 int
2144 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2145                 uint64_t *id)
2146 {
2147         int cnt_xstats, idx_xstat;
2148
2149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2150
2151         if (!id) {
2152                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2153                 return -ENOMEM;
2154         }
2155
2156         if (!xstat_name) {
2157                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2158                 return -ENOMEM;
2159         }
2160
2161         /* Get count */
2162         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2163         if (cnt_xstats  < 0) {
2164                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2165                 return -ENODEV;
2166         }
2167
2168         /* Get id-name lookup table */
2169         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2170
2171         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2172                         port_id, xstats_names, cnt_xstats, NULL)) {
2173                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2174                 return -1;
2175         }
2176
2177         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2178                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2179                         *id = idx_xstat;
2180                         return 0;
2181                 };
2182         }
2183
2184         return -EINVAL;
2185 }
2186
2187 /* retrieve basic stats names */
2188 static int
2189 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2190         struct rte_eth_xstat_name *xstats_names)
2191 {
2192         int cnt_used_entries = 0;
2193         uint32_t idx, id_queue;
2194         uint16_t num_q;
2195
2196         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2197                 strlcpy(xstats_names[cnt_used_entries].name,
2198                         rte_stats_strings[idx].name,
2199                         sizeof(xstats_names[0].name));
2200                 cnt_used_entries++;
2201         }
2202         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2203         for (id_queue = 0; id_queue < num_q; id_queue++) {
2204                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2205                         snprintf(xstats_names[cnt_used_entries].name,
2206                                 sizeof(xstats_names[0].name),
2207                                 "rx_q%u%s",
2208                                 id_queue, rte_rxq_stats_strings[idx].name);
2209                         cnt_used_entries++;
2210                 }
2211
2212         }
2213         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2214         for (id_queue = 0; id_queue < num_q; id_queue++) {
2215                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2216                         snprintf(xstats_names[cnt_used_entries].name,
2217                                 sizeof(xstats_names[0].name),
2218                                 "tx_q%u%s",
2219                                 id_queue, rte_txq_stats_strings[idx].name);
2220                         cnt_used_entries++;
2221                 }
2222         }
2223         return cnt_used_entries;
2224 }
2225
2226 /* retrieve ethdev extended statistics names */
2227 int
2228 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2229         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2230         uint64_t *ids)
2231 {
2232         struct rte_eth_xstat_name *xstats_names_copy;
2233         unsigned int no_basic_stat_requested = 1;
2234         unsigned int no_ext_stat_requested = 1;
2235         unsigned int expected_entries;
2236         unsigned int basic_count;
2237         struct rte_eth_dev *dev;
2238         unsigned int i;
2239         int ret;
2240
2241         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2242         dev = &rte_eth_devices[port_id];
2243
2244         basic_count = get_xstats_basic_count(dev);
2245         ret = get_xstats_count(port_id);
2246         if (ret < 0)
2247                 return ret;
2248         expected_entries = (unsigned int)ret;
2249
2250         /* Return max number of stats if no ids given */
2251         if (!ids) {
2252                 if (!xstats_names)
2253                         return expected_entries;
2254                 else if (xstats_names && size < expected_entries)
2255                         return expected_entries;
2256         }
2257
2258         if (ids && !xstats_names)
2259                 return -EINVAL;
2260
2261         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2262                 uint64_t ids_copy[size];
2263
2264                 for (i = 0; i < size; i++) {
2265                         if (ids[i] < basic_count) {
2266                                 no_basic_stat_requested = 0;
2267                                 break;
2268                         }
2269
2270                         /*
2271                          * Convert ids to xstats ids that PMD knows.
2272                          * ids known by user are basic + extended stats.
2273                          */
2274                         ids_copy[i] = ids[i] - basic_count;
2275                 }
2276
2277                 if (no_basic_stat_requested)
2278                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2279                                         xstats_names, ids_copy, size);
2280         }
2281
2282         /* Retrieve all stats */
2283         if (!ids) {
2284                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2285                                 expected_entries);
2286                 if (num_stats < 0 || num_stats > (int)expected_entries)
2287                         return num_stats;
2288                 else
2289                         return expected_entries;
2290         }
2291
2292         xstats_names_copy = calloc(expected_entries,
2293                 sizeof(struct rte_eth_xstat_name));
2294
2295         if (!xstats_names_copy) {
2296                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2297                 return -ENOMEM;
2298         }
2299
2300         if (ids) {
2301                 for (i = 0; i < size; i++) {
2302                         if (ids[i] >= basic_count) {
2303                                 no_ext_stat_requested = 0;
2304                                 break;
2305                         }
2306                 }
2307         }
2308
2309         /* Fill xstats_names_copy structure */
2310         if (ids && no_ext_stat_requested) {
2311                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2312         } else {
2313                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2314                         expected_entries);
2315                 if (ret < 0) {
2316                         free(xstats_names_copy);
2317                         return ret;
2318                 }
2319         }
2320
2321         /* Filter stats */
2322         for (i = 0; i < size; i++) {
2323                 if (ids[i] >= expected_entries) {
2324                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2325                         free(xstats_names_copy);
2326                         return -1;
2327                 }
2328                 xstats_names[i] = xstats_names_copy[ids[i]];
2329         }
2330
2331         free(xstats_names_copy);
2332         return size;
2333 }
2334
2335 int
2336 rte_eth_xstats_get_names(uint16_t port_id,
2337         struct rte_eth_xstat_name *xstats_names,
2338         unsigned int size)
2339 {
2340         struct rte_eth_dev *dev;
2341         int cnt_used_entries;
2342         int cnt_expected_entries;
2343         int cnt_driver_entries;
2344
2345         cnt_expected_entries = get_xstats_count(port_id);
2346         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2347                         (int)size < cnt_expected_entries)
2348                 return cnt_expected_entries;
2349
2350         /* port_id checked in get_xstats_count() */
2351         dev = &rte_eth_devices[port_id];
2352
2353         cnt_used_entries = rte_eth_basic_stats_get_names(
2354                 dev, xstats_names);
2355
2356         if (dev->dev_ops->xstats_get_names != NULL) {
2357                 /* If there are any driver-specific xstats, append them
2358                  * to end of list.
2359                  */
2360                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2361                         dev,
2362                         xstats_names + cnt_used_entries,
2363                         size - cnt_used_entries);
2364                 if (cnt_driver_entries < 0)
2365                         return eth_err(port_id, cnt_driver_entries);
2366                 cnt_used_entries += cnt_driver_entries;
2367         }
2368
2369         return cnt_used_entries;
2370 }
2371
2372
2373 static int
2374 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2375 {
2376         struct rte_eth_dev *dev;
2377         struct rte_eth_stats eth_stats;
2378         unsigned int count = 0, i, q;
2379         uint64_t val, *stats_ptr;
2380         uint16_t nb_rxqs, nb_txqs;
2381         int ret;
2382
2383         ret = rte_eth_stats_get(port_id, &eth_stats);
2384         if (ret < 0)
2385                 return ret;
2386
2387         dev = &rte_eth_devices[port_id];
2388
2389         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2390         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2391
2392         /* global stats */
2393         for (i = 0; i < RTE_NB_STATS; i++) {
2394                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2395                                         rte_stats_strings[i].offset);
2396                 val = *stats_ptr;
2397                 xstats[count++].value = val;
2398         }
2399
2400         /* per-rxq stats */
2401         for (q = 0; q < nb_rxqs; q++) {
2402                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2403                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2404                                         rte_rxq_stats_strings[i].offset +
2405                                         q * sizeof(uint64_t));
2406                         val = *stats_ptr;
2407                         xstats[count++].value = val;
2408                 }
2409         }
2410
2411         /* per-txq stats */
2412         for (q = 0; q < nb_txqs; q++) {
2413                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2414                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2415                                         rte_txq_stats_strings[i].offset +
2416                                         q * sizeof(uint64_t));
2417                         val = *stats_ptr;
2418                         xstats[count++].value = val;
2419                 }
2420         }
2421         return count;
2422 }
2423
2424 /* retrieve ethdev extended statistics */
2425 int
2426 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2427                          uint64_t *values, unsigned int size)
2428 {
2429         unsigned int no_basic_stat_requested = 1;
2430         unsigned int no_ext_stat_requested = 1;
2431         unsigned int num_xstats_filled;
2432         unsigned int basic_count;
2433         uint16_t expected_entries;
2434         struct rte_eth_dev *dev;
2435         unsigned int i;
2436         int ret;
2437
2438         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2439         ret = get_xstats_count(port_id);
2440         if (ret < 0)
2441                 return ret;
2442         expected_entries = (uint16_t)ret;
2443         struct rte_eth_xstat xstats[expected_entries];
2444         dev = &rte_eth_devices[port_id];
2445         basic_count = get_xstats_basic_count(dev);
2446
2447         /* Return max number of stats if no ids given */
2448         if (!ids) {
2449                 if (!values)
2450                         return expected_entries;
2451                 else if (values && size < expected_entries)
2452                         return expected_entries;
2453         }
2454
2455         if (ids && !values)
2456                 return -EINVAL;
2457
2458         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2459                 unsigned int basic_count = get_xstats_basic_count(dev);
2460                 uint64_t ids_copy[size];
2461
2462                 for (i = 0; i < size; i++) {
2463                         if (ids[i] < basic_count) {
2464                                 no_basic_stat_requested = 0;
2465                                 break;
2466                         }
2467
2468                         /*
2469                          * Convert ids to xstats ids that PMD knows.
2470                          * ids known by user are basic + extended stats.
2471                          */
2472                         ids_copy[i] = ids[i] - basic_count;
2473                 }
2474
2475                 if (no_basic_stat_requested)
2476                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2477                                         values, size);
2478         }
2479
2480         if (ids) {
2481                 for (i = 0; i < size; i++) {
2482                         if (ids[i] >= basic_count) {
2483                                 no_ext_stat_requested = 0;
2484                                 break;
2485                         }
2486                 }
2487         }
2488
2489         /* Fill the xstats structure */
2490         if (ids && no_ext_stat_requested)
2491                 ret = rte_eth_basic_stats_get(port_id, xstats);
2492         else
2493                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2494
2495         if (ret < 0)
2496                 return ret;
2497         num_xstats_filled = (unsigned int)ret;
2498
2499         /* Return all stats */
2500         if (!ids) {
2501                 for (i = 0; i < num_xstats_filled; i++)
2502                         values[i] = xstats[i].value;
2503                 return expected_entries;
2504         }
2505
2506         /* Filter stats */
2507         for (i = 0; i < size; i++) {
2508                 if (ids[i] >= expected_entries) {
2509                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2510                         return -1;
2511                 }
2512                 values[i] = xstats[ids[i]].value;
2513         }
2514         return size;
2515 }
2516
2517 int
2518 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2519         unsigned int n)
2520 {
2521         struct rte_eth_dev *dev;
2522         unsigned int count = 0, i;
2523         signed int xcount = 0;
2524         uint16_t nb_rxqs, nb_txqs;
2525         int ret;
2526
2527         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2528
2529         dev = &rte_eth_devices[port_id];
2530
2531         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2532         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2533
2534         /* Return generic statistics */
2535         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2536                 (nb_txqs * RTE_NB_TXQ_STATS);
2537
2538         /* implemented by the driver */
2539         if (dev->dev_ops->xstats_get != NULL) {
2540                 /* Retrieve the xstats from the driver at the end of the
2541                  * xstats struct.
2542                  */
2543                 xcount = (*dev->dev_ops->xstats_get)(dev,
2544                                      xstats ? xstats + count : NULL,
2545                                      (n > count) ? n - count : 0);
2546
2547                 if (xcount < 0)
2548                         return eth_err(port_id, xcount);
2549         }
2550
2551         if (n < count + xcount || xstats == NULL)
2552                 return count + xcount;
2553
2554         /* now fill the xstats structure */
2555         ret = rte_eth_basic_stats_get(port_id, xstats);
2556         if (ret < 0)
2557                 return ret;
2558         count = ret;
2559
2560         for (i = 0; i < count; i++)
2561                 xstats[i].id = i;
2562         /* add an offset to driver-specific stats */
2563         for ( ; i < count + xcount; i++)
2564                 xstats[i].id += count;
2565
2566         return count + xcount;
2567 }
2568
2569 /* reset ethdev extended statistics */
2570 int
2571 rte_eth_xstats_reset(uint16_t port_id)
2572 {
2573         struct rte_eth_dev *dev;
2574
2575         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2576         dev = &rte_eth_devices[port_id];
2577
2578         /* implemented by the driver */
2579         if (dev->dev_ops->xstats_reset != NULL)
2580                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2581
2582         /* fallback to default */
2583         return rte_eth_stats_reset(port_id);
2584 }
2585
2586 static int
2587 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2588                 uint8_t is_rx)
2589 {
2590         struct rte_eth_dev *dev;
2591
2592         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2593
2594         dev = &rte_eth_devices[port_id];
2595
2596         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2597
2598         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2599                 return -EINVAL;
2600
2601         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2602                 return -EINVAL;
2603
2604         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2605                 return -EINVAL;
2606
2607         return (*dev->dev_ops->queue_stats_mapping_set)
2608                         (dev, queue_id, stat_idx, is_rx);
2609 }
2610
2611
2612 int
2613 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2614                 uint8_t stat_idx)
2615 {
2616         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2617                                                 stat_idx, STAT_QMAP_TX));
2618 }
2619
2620
2621 int
2622 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2623                 uint8_t stat_idx)
2624 {
2625         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2626                                                 stat_idx, STAT_QMAP_RX));
2627 }
2628
2629 int
2630 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2631 {
2632         struct rte_eth_dev *dev;
2633
2634         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2635         dev = &rte_eth_devices[port_id];
2636
2637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2638         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2639                                                         fw_version, fw_size));
2640 }
2641
2642 int
2643 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2644 {
2645         struct rte_eth_dev *dev;
2646         const struct rte_eth_desc_lim lim = {
2647                 .nb_max = UINT16_MAX,
2648                 .nb_min = 0,
2649                 .nb_align = 1,
2650                 .nb_seg_max = UINT16_MAX,
2651                 .nb_mtu_seg_max = UINT16_MAX,
2652         };
2653         int diag;
2654
2655         /*
2656          * Init dev_info before port_id check since caller does not have
2657          * return status and does not know if get is successful or not.
2658          */
2659         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2660
2661         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2662         dev = &rte_eth_devices[port_id];
2663
2664         dev_info->rx_desc_lim = lim;
2665         dev_info->tx_desc_lim = lim;
2666         dev_info->device = dev->device;
2667         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2668         dev_info->max_mtu = UINT16_MAX;
2669
2670         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2671         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2672         if (diag != 0) {
2673                 /* Cleanup already filled in device information */
2674                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2675                 return eth_err(port_id, diag);
2676         }
2677
2678         dev_info->driver_name = dev->device->driver->name;
2679         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2680         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2681
2682         dev_info->dev_flags = &dev->data->dev_flags;
2683
2684         return 0;
2685 }
2686
2687 int
2688 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2689                                  uint32_t *ptypes, int num)
2690 {
2691         int i, j;
2692         struct rte_eth_dev *dev;
2693         const uint32_t *all_ptypes;
2694
2695         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2696         dev = &rte_eth_devices[port_id];
2697         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2698         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2699
2700         if (!all_ptypes)
2701                 return 0;
2702
2703         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2704                 if (all_ptypes[i] & ptype_mask) {
2705                         if (j < num)
2706                                 ptypes[j] = all_ptypes[i];
2707                         j++;
2708                 }
2709
2710         return j;
2711 }
2712
2713 int
2714 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2715 {
2716         struct rte_eth_dev *dev;
2717
2718         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2719         dev = &rte_eth_devices[port_id];
2720         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2721
2722         return 0;
2723 }
2724
2725
2726 int
2727 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2728 {
2729         struct rte_eth_dev *dev;
2730
2731         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2732
2733         dev = &rte_eth_devices[port_id];
2734         *mtu = dev->data->mtu;
2735         return 0;
2736 }
2737
2738 int
2739 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2740 {
2741         int ret;
2742         struct rte_eth_dev_info dev_info;
2743         struct rte_eth_dev *dev;
2744
2745         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2746         dev = &rte_eth_devices[port_id];
2747         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2748
2749         /*
2750          * Check if the device supports dev_infos_get, if it does not
2751          * skip min_mtu/max_mtu validation here as this requires values
2752          * that are populated within the call to rte_eth_dev_info_get()
2753          * which relies on dev->dev_ops->dev_infos_get.
2754          */
2755         if (*dev->dev_ops->dev_infos_get != NULL) {
2756                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2757                 if (ret != 0)
2758                         return ret;
2759
2760                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2761                         return -EINVAL;
2762         }
2763
2764         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2765         if (!ret)
2766                 dev->data->mtu = mtu;
2767
2768         return eth_err(port_id, ret);
2769 }
2770
2771 int
2772 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2773 {
2774         struct rte_eth_dev *dev;
2775         int ret;
2776
2777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2778         dev = &rte_eth_devices[port_id];
2779         if (!(dev->data->dev_conf.rxmode.offloads &
2780               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2781                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2782                         port_id);
2783                 return -ENOSYS;
2784         }
2785
2786         if (vlan_id > 4095) {
2787                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2788                         port_id, vlan_id);
2789                 return -EINVAL;
2790         }
2791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2792
2793         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2794         if (ret == 0) {
2795                 struct rte_vlan_filter_conf *vfc;
2796                 int vidx;
2797                 int vbit;
2798
2799                 vfc = &dev->data->vlan_filter_conf;
2800                 vidx = vlan_id / 64;
2801                 vbit = vlan_id % 64;
2802
2803                 if (on)
2804                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2805                 else
2806                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2807         }
2808
2809         return eth_err(port_id, ret);
2810 }
2811
2812 int
2813 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2814                                     int on)
2815 {
2816         struct rte_eth_dev *dev;
2817
2818         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2819         dev = &rte_eth_devices[port_id];
2820         if (rx_queue_id >= dev->data->nb_rx_queues) {
2821                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2822                 return -EINVAL;
2823         }
2824
2825         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2826         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2827
2828         return 0;
2829 }
2830
2831 int
2832 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2833                                 enum rte_vlan_type vlan_type,
2834                                 uint16_t tpid)
2835 {
2836         struct rte_eth_dev *dev;
2837
2838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2839         dev = &rte_eth_devices[port_id];
2840         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2841
2842         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2843                                                                tpid));
2844 }
2845
2846 int
2847 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2848 {
2849         struct rte_eth_dev *dev;
2850         int ret = 0;
2851         int mask = 0;
2852         int cur, org = 0;
2853         uint64_t orig_offloads;
2854         uint64_t *dev_offloads;
2855
2856         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2857         dev = &rte_eth_devices[port_id];
2858
2859         /* save original values in case of failure */
2860         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2861         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2862
2863         /*check which option changed by application*/
2864         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2865         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2866         if (cur != org) {
2867                 if (cur)
2868                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2869                 else
2870                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2871                 mask |= ETH_VLAN_STRIP_MASK;
2872         }
2873
2874         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2875         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2876         if (cur != org) {
2877                 if (cur)
2878                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2879                 else
2880                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2881                 mask |= ETH_VLAN_FILTER_MASK;
2882         }
2883
2884         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2885         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2886         if (cur != org) {
2887                 if (cur)
2888                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2889                 else
2890                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2891                 mask |= ETH_VLAN_EXTEND_MASK;
2892         }
2893
2894         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2895         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2896         if (cur != org) {
2897                 if (cur)
2898                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2899                 else
2900                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2901                 mask |= ETH_QINQ_STRIP_MASK;
2902         }
2903
2904         /*no change*/
2905         if (mask == 0)
2906                 return ret;
2907
2908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2909         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2910         if (ret) {
2911                 /* hit an error restore  original values */
2912                 *dev_offloads = orig_offloads;
2913         }
2914
2915         return eth_err(port_id, ret);
2916 }
2917
2918 int
2919 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2920 {
2921         struct rte_eth_dev *dev;
2922         uint64_t *dev_offloads;
2923         int ret = 0;
2924
2925         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2926         dev = &rte_eth_devices[port_id];
2927         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2928
2929         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2930                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2931
2932         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2933                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2934
2935         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2936                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2937
2938         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2939                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2940
2941         return ret;
2942 }
2943
2944 int
2945 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2946 {
2947         struct rte_eth_dev *dev;
2948
2949         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2950         dev = &rte_eth_devices[port_id];
2951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2952
2953         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2954 }
2955
2956 int
2957 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2958 {
2959         struct rte_eth_dev *dev;
2960
2961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2962         dev = &rte_eth_devices[port_id];
2963         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2964         memset(fc_conf, 0, sizeof(*fc_conf));
2965         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2966 }
2967
2968 int
2969 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2970 {
2971         struct rte_eth_dev *dev;
2972
2973         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2974         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2975                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2976                 return -EINVAL;
2977         }
2978
2979         dev = &rte_eth_devices[port_id];
2980         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2981         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2982 }
2983
2984 int
2985 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2986                                    struct rte_eth_pfc_conf *pfc_conf)
2987 {
2988         struct rte_eth_dev *dev;
2989
2990         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2991         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2992                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2993                 return -EINVAL;
2994         }
2995
2996         dev = &rte_eth_devices[port_id];
2997         /* High water, low water validation are device specific */
2998         if  (*dev->dev_ops->priority_flow_ctrl_set)
2999                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3000                                         (dev, pfc_conf));
3001         return -ENOTSUP;
3002 }
3003
3004 static int
3005 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3006                         uint16_t reta_size)
3007 {
3008         uint16_t i, num;
3009
3010         if (!reta_conf)
3011                 return -EINVAL;
3012
3013         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3014         for (i = 0; i < num; i++) {
3015                 if (reta_conf[i].mask)
3016                         return 0;
3017         }
3018
3019         return -EINVAL;
3020 }
3021
3022 static int
3023 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3024                          uint16_t reta_size,
3025                          uint16_t max_rxq)
3026 {
3027         uint16_t i, idx, shift;
3028
3029         if (!reta_conf)
3030                 return -EINVAL;
3031
3032         if (max_rxq == 0) {
3033                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3034                 return -EINVAL;
3035         }
3036
3037         for (i = 0; i < reta_size; i++) {
3038                 idx = i / RTE_RETA_GROUP_SIZE;
3039                 shift = i % RTE_RETA_GROUP_SIZE;
3040                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3041                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3042                         RTE_ETHDEV_LOG(ERR,
3043                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3044                                 idx, shift,
3045                                 reta_conf[idx].reta[shift], max_rxq);
3046                         return -EINVAL;
3047                 }
3048         }
3049
3050         return 0;
3051 }
3052
3053 int
3054 rte_eth_dev_rss_reta_update(uint16_t port_id,
3055                             struct rte_eth_rss_reta_entry64 *reta_conf,
3056                             uint16_t reta_size)
3057 {
3058         struct rte_eth_dev *dev;
3059         int ret;
3060
3061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3062         /* Check mask bits */
3063         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3064         if (ret < 0)
3065                 return ret;
3066
3067         dev = &rte_eth_devices[port_id];
3068
3069         /* Check entry value */
3070         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3071                                 dev->data->nb_rx_queues);
3072         if (ret < 0)
3073                 return ret;
3074
3075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3076         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3077                                                              reta_size));
3078 }
3079
3080 int
3081 rte_eth_dev_rss_reta_query(uint16_t port_id,
3082                            struct rte_eth_rss_reta_entry64 *reta_conf,
3083                            uint16_t reta_size)
3084 {
3085         struct rte_eth_dev *dev;
3086         int ret;
3087
3088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3089
3090         /* Check mask bits */
3091         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3092         if (ret < 0)
3093                 return ret;
3094
3095         dev = &rte_eth_devices[port_id];
3096         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3097         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3098                                                             reta_size));
3099 }
3100
3101 int
3102 rte_eth_dev_rss_hash_update(uint16_t port_id,
3103                             struct rte_eth_rss_conf *rss_conf)
3104 {
3105         struct rte_eth_dev *dev;
3106         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3107         int ret;
3108
3109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3110
3111         ret = rte_eth_dev_info_get(port_id, &dev_info);
3112         if (ret != 0)
3113                 return ret;
3114
3115         dev = &rte_eth_devices[port_id];
3116         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3117             dev_info.flow_type_rss_offloads) {
3118                 RTE_ETHDEV_LOG(ERR,
3119                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3120                         port_id, rss_conf->rss_hf,
3121                         dev_info.flow_type_rss_offloads);
3122                 return -EINVAL;
3123         }
3124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3125         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3126                                                                  rss_conf));
3127 }
3128
3129 int
3130 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3131                               struct rte_eth_rss_conf *rss_conf)
3132 {
3133         struct rte_eth_dev *dev;
3134
3135         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3136         dev = &rte_eth_devices[port_id];
3137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3138         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3139                                                                    rss_conf));
3140 }
3141
3142 int
3143 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3144                                 struct rte_eth_udp_tunnel *udp_tunnel)
3145 {
3146         struct rte_eth_dev *dev;
3147
3148         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3149         if (udp_tunnel == NULL) {
3150                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3151                 return -EINVAL;
3152         }
3153
3154         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3155                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3156                 return -EINVAL;
3157         }
3158
3159         dev = &rte_eth_devices[port_id];
3160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3161         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3162                                                                 udp_tunnel));
3163 }
3164
3165 int
3166 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3167                                    struct rte_eth_udp_tunnel *udp_tunnel)
3168 {
3169         struct rte_eth_dev *dev;
3170
3171         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3172         dev = &rte_eth_devices[port_id];
3173
3174         if (udp_tunnel == NULL) {
3175                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3176                 return -EINVAL;
3177         }
3178
3179         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3180                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3181                 return -EINVAL;
3182         }
3183
3184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3185         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3186                                                                 udp_tunnel));
3187 }
3188
3189 int
3190 rte_eth_led_on(uint16_t port_id)
3191 {
3192         struct rte_eth_dev *dev;
3193
3194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3195         dev = &rte_eth_devices[port_id];
3196         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3197         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3198 }
3199
3200 int
3201 rte_eth_led_off(uint16_t port_id)
3202 {
3203         struct rte_eth_dev *dev;
3204
3205         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3206         dev = &rte_eth_devices[port_id];
3207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3208         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3209 }
3210
3211 /*
3212  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3213  * an empty spot.
3214  */
3215 static int
3216 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3217 {
3218         struct rte_eth_dev_info dev_info;
3219         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3220         unsigned i;
3221         int ret;
3222
3223         ret = rte_eth_dev_info_get(port_id, &dev_info);
3224         if (ret != 0)
3225                 return -1;
3226
3227         for (i = 0; i < dev_info.max_mac_addrs; i++)
3228                 if (memcmp(addr, &dev->data->mac_addrs[i],
3229                                 RTE_ETHER_ADDR_LEN) == 0)
3230                         return i;
3231
3232         return -1;
3233 }
3234
3235 static const struct rte_ether_addr null_mac_addr;
3236
3237 int
3238 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3239                         uint32_t pool)
3240 {
3241         struct rte_eth_dev *dev;
3242         int index;
3243         uint64_t pool_mask;
3244         int ret;
3245
3246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3247         dev = &rte_eth_devices[port_id];
3248         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3249
3250         if (rte_is_zero_ether_addr(addr)) {
3251                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3252                         port_id);
3253                 return -EINVAL;
3254         }
3255         if (pool >= ETH_64_POOLS) {
3256                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3257                 return -EINVAL;
3258         }
3259
3260         index = get_mac_addr_index(port_id, addr);
3261         if (index < 0) {
3262                 index = get_mac_addr_index(port_id, &null_mac_addr);
3263                 if (index < 0) {
3264                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3265                                 port_id);
3266                         return -ENOSPC;
3267                 }
3268         } else {
3269                 pool_mask = dev->data->mac_pool_sel[index];
3270
3271                 /* Check if both MAC address and pool is already there, and do nothing */
3272                 if (pool_mask & (1ULL << pool))
3273                         return 0;
3274         }
3275
3276         /* Update NIC */
3277         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3278
3279         if (ret == 0) {
3280                 /* Update address in NIC data structure */
3281                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3282
3283                 /* Update pool bitmap in NIC data structure */
3284                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3285         }
3286
3287         return eth_err(port_id, ret);
3288 }
3289
3290 int
3291 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3292 {
3293         struct rte_eth_dev *dev;
3294         int index;
3295
3296         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3297         dev = &rte_eth_devices[port_id];
3298         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3299
3300         index = get_mac_addr_index(port_id, addr);
3301         if (index == 0) {
3302                 RTE_ETHDEV_LOG(ERR,
3303                         "Port %u: Cannot remove default MAC address\n",
3304                         port_id);
3305                 return -EADDRINUSE;
3306         } else if (index < 0)
3307                 return 0;  /* Do nothing if address wasn't found */
3308
3309         /* Update NIC */
3310         (*dev->dev_ops->mac_addr_remove)(dev, index);
3311
3312         /* Update address in NIC data structure */
3313         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3314
3315         /* reset pool bitmap */
3316         dev->data->mac_pool_sel[index] = 0;
3317
3318         return 0;
3319 }
3320
3321 int
3322 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3323 {
3324         struct rte_eth_dev *dev;
3325         int ret;
3326
3327         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3328
3329         if (!rte_is_valid_assigned_ether_addr(addr))
3330                 return -EINVAL;
3331
3332         dev = &rte_eth_devices[port_id];
3333         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3334
3335         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3336         if (ret < 0)
3337                 return ret;
3338
3339         /* Update default address in NIC data structure */
3340         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3341
3342         return 0;
3343 }
3344
3345
3346 /*
3347  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3348  * an empty spot.
3349  */
3350 static int
3351 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3352 {
3353         struct rte_eth_dev_info dev_info;
3354         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3355         unsigned i;
3356         int ret;
3357
3358         ret = rte_eth_dev_info_get(port_id, &dev_info);
3359         if (ret != 0)
3360                 return -1;
3361
3362         if (!dev->data->hash_mac_addrs)
3363                 return -1;
3364
3365         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3366                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3367                         RTE_ETHER_ADDR_LEN) == 0)
3368                         return i;
3369
3370         return -1;
3371 }
3372
3373 int
3374 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3375                                 uint8_t on)
3376 {
3377         int index;
3378         int ret;
3379         struct rte_eth_dev *dev;
3380
3381         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3382
3383         dev = &rte_eth_devices[port_id];
3384         if (rte_is_zero_ether_addr(addr)) {
3385                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3386                         port_id);
3387                 return -EINVAL;
3388         }
3389
3390         index = get_hash_mac_addr_index(port_id, addr);
3391         /* Check if it's already there, and do nothing */
3392         if ((index >= 0) && on)
3393                 return 0;
3394
3395         if (index < 0) {
3396                 if (!on) {
3397                         RTE_ETHDEV_LOG(ERR,
3398                                 "Port %u: the MAC address was not set in UTA\n",
3399                                 port_id);
3400                         return -EINVAL;
3401                 }
3402
3403                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3404                 if (index < 0) {
3405                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3406                                 port_id);
3407                         return -ENOSPC;
3408                 }
3409         }
3410
3411         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3412         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3413         if (ret == 0) {
3414                 /* Update address in NIC data structure */
3415                 if (on)
3416                         rte_ether_addr_copy(addr,
3417                                         &dev->data->hash_mac_addrs[index]);
3418                 else
3419                         rte_ether_addr_copy(&null_mac_addr,
3420                                         &dev->data->hash_mac_addrs[index]);
3421         }
3422
3423         return eth_err(port_id, ret);
3424 }
3425
3426 int
3427 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3428 {
3429         struct rte_eth_dev *dev;
3430
3431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3432
3433         dev = &rte_eth_devices[port_id];
3434
3435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3436         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3437                                                                        on));
3438 }
3439
3440 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3441                                         uint16_t tx_rate)
3442 {
3443         struct rte_eth_dev *dev;
3444         struct rte_eth_dev_info dev_info;
3445         struct rte_eth_link link;
3446         int ret;
3447
3448         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3449
3450         ret = rte_eth_dev_info_get(port_id, &dev_info);
3451         if (ret != 0)
3452                 return ret;
3453
3454         dev = &rte_eth_devices[port_id];
3455         link = dev->data->dev_link;
3456
3457         if (queue_idx > dev_info.max_tx_queues) {
3458                 RTE_ETHDEV_LOG(ERR,
3459                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3460                         port_id, queue_idx);
3461                 return -EINVAL;
3462         }
3463
3464         if (tx_rate > link.link_speed) {
3465                 RTE_ETHDEV_LOG(ERR,
3466                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3467                         tx_rate, link.link_speed);
3468                 return -EINVAL;
3469         }
3470
3471         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3472         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3473                                                         queue_idx, tx_rate));
3474 }
3475
3476 int
3477 rte_eth_mirror_rule_set(uint16_t port_id,
3478                         struct rte_eth_mirror_conf *mirror_conf,
3479                         uint8_t rule_id, uint8_t on)
3480 {
3481         struct rte_eth_dev *dev;
3482
3483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3484         if (mirror_conf->rule_type == 0) {
3485                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3486                 return -EINVAL;
3487         }
3488
3489         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3490                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3491                         ETH_64_POOLS - 1);
3492                 return -EINVAL;
3493         }
3494
3495         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3496              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3497             (mirror_conf->pool_mask == 0)) {
3498                 RTE_ETHDEV_LOG(ERR,
3499                         "Invalid mirror pool, pool mask can not be 0\n");
3500                 return -EINVAL;
3501         }
3502
3503         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3504             mirror_conf->vlan.vlan_mask == 0) {
3505                 RTE_ETHDEV_LOG(ERR,
3506                         "Invalid vlan mask, vlan mask can not be 0\n");
3507                 return -EINVAL;
3508         }
3509
3510         dev = &rte_eth_devices[port_id];
3511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3512
3513         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3514                                                 mirror_conf, rule_id, on));
3515 }
3516
3517 int
3518 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3519 {
3520         struct rte_eth_dev *dev;
3521
3522         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3523
3524         dev = &rte_eth_devices[port_id];
3525         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3526
3527         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3528                                                                    rule_id));
3529 }
3530
3531 RTE_INIT(eth_dev_init_cb_lists)
3532 {
3533         int i;
3534
3535         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3536                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3537 }
3538
3539 int
3540 rte_eth_dev_callback_register(uint16_t port_id,
3541                         enum rte_eth_event_type event,
3542                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3543 {
3544         struct rte_eth_dev *dev;
3545         struct rte_eth_dev_callback *user_cb;
3546         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3547         uint16_t last_port;
3548
3549         if (!cb_fn)
3550                 return -EINVAL;
3551
3552         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3553                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3554                 return -EINVAL;
3555         }
3556
3557         if (port_id == RTE_ETH_ALL) {
3558                 next_port = 0;
3559                 last_port = RTE_MAX_ETHPORTS - 1;
3560         } else {
3561                 next_port = last_port = port_id;
3562         }
3563
3564         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3565
3566         do {
3567                 dev = &rte_eth_devices[next_port];
3568
3569                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3570                         if (user_cb->cb_fn == cb_fn &&
3571                                 user_cb->cb_arg == cb_arg &&
3572                                 user_cb->event == event) {
3573                                 break;
3574                         }
3575                 }
3576
3577                 /* create a new callback. */
3578                 if (user_cb == NULL) {
3579                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3580                                 sizeof(struct rte_eth_dev_callback), 0);
3581                         if (user_cb != NULL) {
3582                                 user_cb->cb_fn = cb_fn;
3583                                 user_cb->cb_arg = cb_arg;
3584                                 user_cb->event = event;
3585                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3586                                                   user_cb, next);
3587                         } else {
3588                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3589                                 rte_eth_dev_callback_unregister(port_id, event,
3590                                                                 cb_fn, cb_arg);
3591                                 return -ENOMEM;
3592                         }
3593
3594                 }
3595         } while (++next_port <= last_port);
3596
3597         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3598         return 0;
3599 }
3600
3601 int
3602 rte_eth_dev_callback_unregister(uint16_t port_id,
3603                         enum rte_eth_event_type event,
3604                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3605 {
3606         int ret;
3607         struct rte_eth_dev *dev;
3608         struct rte_eth_dev_callback *cb, *next;
3609         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3610         uint16_t last_port;
3611
3612         if (!cb_fn)
3613                 return -EINVAL;
3614
3615         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3616                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3617                 return -EINVAL;
3618         }
3619
3620         if (port_id == RTE_ETH_ALL) {
3621                 next_port = 0;
3622                 last_port = RTE_MAX_ETHPORTS - 1;
3623         } else {
3624                 next_port = last_port = port_id;
3625         }
3626
3627         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3628
3629         do {
3630                 dev = &rte_eth_devices[next_port];
3631                 ret = 0;
3632                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3633                      cb = next) {
3634
3635                         next = TAILQ_NEXT(cb, next);
3636
3637                         if (cb->cb_fn != cb_fn || cb->event != event ||
3638                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3639                                 continue;
3640
3641                         /*
3642                          * if this callback is not executing right now,
3643                          * then remove it.
3644                          */
3645                         if (cb->active == 0) {
3646                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3647                                 rte_free(cb);
3648                         } else {
3649                                 ret = -EAGAIN;
3650                         }
3651                 }
3652         } while (++next_port <= last_port);
3653
3654         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3655         return ret;
3656 }
3657
3658 int
3659 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3660         enum rte_eth_event_type event, void *ret_param)
3661 {
3662         struct rte_eth_dev_callback *cb_lst;
3663         struct rte_eth_dev_callback dev_cb;
3664         int rc = 0;
3665
3666         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3667         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3668                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3669                         continue;
3670                 dev_cb = *cb_lst;
3671                 cb_lst->active = 1;
3672                 if (ret_param != NULL)
3673                         dev_cb.ret_param = ret_param;
3674
3675                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3676                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3677                                 dev_cb.cb_arg, dev_cb.ret_param);
3678                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3679                 cb_lst->active = 0;
3680         }
3681         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3682         return rc;
3683 }
3684
3685 void
3686 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3687 {
3688         if (dev == NULL)
3689                 return;
3690
3691         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3692
3693         dev->state = RTE_ETH_DEV_ATTACHED;
3694 }
3695
3696 int
3697 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3698 {
3699         uint32_t vec;
3700         struct rte_eth_dev *dev;
3701         struct rte_intr_handle *intr_handle;
3702         uint16_t qid;
3703         int rc;
3704
3705         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3706
3707         dev = &rte_eth_devices[port_id];
3708
3709         if (!dev->intr_handle) {
3710                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3711                 return -ENOTSUP;
3712         }
3713
3714         intr_handle = dev->intr_handle;
3715         if (!intr_handle->intr_vec) {
3716                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3717                 return -EPERM;
3718         }
3719
3720         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3721                 vec = intr_handle->intr_vec[qid];
3722                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3723                 if (rc && rc != -EEXIST) {
3724                         RTE_ETHDEV_LOG(ERR,
3725                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3726                                 port_id, qid, op, epfd, vec);
3727                 }
3728         }
3729
3730         return 0;
3731 }
3732
3733 int
3734 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3735 {
3736         struct rte_intr_handle *intr_handle;
3737         struct rte_eth_dev *dev;
3738         unsigned int efd_idx;
3739         uint32_t vec;
3740         int fd;
3741
3742         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3743
3744         dev = &rte_eth_devices[port_id];
3745
3746         if (queue_id >= dev->data->nb_rx_queues) {
3747                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3748                 return -1;
3749         }
3750
3751         if (!dev->intr_handle) {
3752                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3753                 return -1;
3754         }
3755
3756         intr_handle = dev->intr_handle;
3757         if (!intr_handle->intr_vec) {
3758                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3759                 return -1;
3760         }
3761
3762         vec = intr_handle->intr_vec[queue_id];
3763         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3764                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3765         fd = intr_handle->efds[efd_idx];
3766
3767         return fd;
3768 }
3769
3770 const struct rte_memzone *
3771 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3772                          uint16_t queue_id, size_t size, unsigned align,
3773                          int socket_id)
3774 {
3775         char z_name[RTE_MEMZONE_NAMESIZE];
3776         const struct rte_memzone *mz;
3777         int rc;
3778
3779         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3780                       dev->data->port_id, queue_id, ring_name);
3781         if (rc >= RTE_MEMZONE_NAMESIZE) {
3782                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3783                 rte_errno = ENAMETOOLONG;
3784                 return NULL;
3785         }
3786
3787         mz = rte_memzone_lookup(z_name);
3788         if (mz)
3789                 return mz;
3790
3791         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3792                         RTE_MEMZONE_IOVA_CONTIG, align);
3793 }
3794
3795 int
3796 rte_eth_dev_create(struct rte_device *device, const char *name,
3797         size_t priv_data_size,
3798         ethdev_bus_specific_init ethdev_bus_specific_init,
3799         void *bus_init_params,
3800         ethdev_init_t ethdev_init, void *init_params)
3801 {
3802         struct rte_eth_dev *ethdev;
3803         int retval;
3804
3805         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3806
3807         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3808                 ethdev = rte_eth_dev_allocate(name);
3809                 if (!ethdev)
3810                         return -ENODEV;
3811
3812                 if (priv_data_size) {
3813                         ethdev->data->dev_private = rte_zmalloc_socket(
3814                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3815                                 device->numa_node);
3816
3817                         if (!ethdev->data->dev_private) {
3818                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3819                                 retval = -ENOMEM;
3820                                 goto probe_failed;
3821                         }
3822                 }
3823         } else {
3824                 ethdev = rte_eth_dev_attach_secondary(name);
3825                 if (!ethdev) {
3826                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3827                                 "ethdev doesn't exist");
3828                         return  -ENODEV;
3829                 }
3830         }
3831
3832         ethdev->device = device;
3833
3834         if (ethdev_bus_specific_init) {
3835                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3836                 if (retval) {
3837                         RTE_LOG(ERR, EAL,
3838                                 "ethdev bus specific initialisation failed");
3839                         goto probe_failed;
3840                 }
3841         }
3842
3843         retval = ethdev_init(ethdev, init_params);
3844         if (retval) {
3845                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3846                 goto probe_failed;
3847         }
3848
3849         rte_eth_dev_probing_finish(ethdev);
3850
3851         return retval;
3852
3853 probe_failed:
3854         rte_eth_dev_release_port(ethdev);
3855         return retval;
3856 }
3857
3858 int
3859 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3860         ethdev_uninit_t ethdev_uninit)
3861 {
3862         int ret;
3863
3864         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3865         if (!ethdev)
3866                 return -ENODEV;
3867
3868         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3869
3870         ret = ethdev_uninit(ethdev);
3871         if (ret)
3872                 return ret;
3873
3874         return rte_eth_dev_release_port(ethdev);
3875 }
3876
3877 int
3878 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3879                           int epfd, int op, void *data)
3880 {
3881         uint32_t vec;
3882         struct rte_eth_dev *dev;
3883         struct rte_intr_handle *intr_handle;
3884         int rc;
3885
3886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3887
3888         dev = &rte_eth_devices[port_id];
3889         if (queue_id >= dev->data->nb_rx_queues) {
3890                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3891                 return -EINVAL;
3892         }
3893
3894         if (!dev->intr_handle) {
3895                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3896                 return -ENOTSUP;
3897         }
3898
3899         intr_handle = dev->intr_handle;
3900         if (!intr_handle->intr_vec) {
3901                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3902                 return -EPERM;
3903         }
3904
3905         vec = intr_handle->intr_vec[queue_id];
3906         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3907         if (rc && rc != -EEXIST) {
3908                 RTE_ETHDEV_LOG(ERR,
3909                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3910                         port_id, queue_id, op, epfd, vec);
3911                 return rc;
3912         }
3913
3914         return 0;
3915 }
3916
3917 int
3918 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3919                            uint16_t queue_id)
3920 {
3921         struct rte_eth_dev *dev;
3922
3923         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3924
3925         dev = &rte_eth_devices[port_id];
3926
3927         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3928         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3929                                                                 queue_id));
3930 }
3931
3932 int
3933 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3934                             uint16_t queue_id)
3935 {
3936         struct rte_eth_dev *dev;
3937
3938         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3939
3940         dev = &rte_eth_devices[port_id];
3941
3942         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3943         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3944                                                                 queue_id));
3945 }
3946
3947
3948 int
3949 rte_eth_dev_filter_supported(uint16_t port_id,
3950                              enum rte_filter_type filter_type)
3951 {
3952         struct rte_eth_dev *dev;
3953
3954         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3955
3956         dev = &rte_eth_devices[port_id];
3957         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3958         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3959                                 RTE_ETH_FILTER_NOP, NULL);
3960 }
3961
3962 int
3963 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3964                         enum rte_filter_op filter_op, void *arg)
3965 {
3966         struct rte_eth_dev *dev;
3967
3968         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3969
3970         dev = &rte_eth_devices[port_id];
3971         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3972         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3973                                                              filter_op, arg));
3974 }
3975
3976 const struct rte_eth_rxtx_callback *
3977 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3978                 rte_rx_callback_fn fn, void *user_param)
3979 {
3980 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3981         rte_errno = ENOTSUP;
3982         return NULL;
3983 #endif
3984         /* check input parameters */
3985         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3986                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3987                 rte_errno = EINVAL;
3988                 return NULL;
3989         }
3990         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3991
3992         if (cb == NULL) {
3993                 rte_errno = ENOMEM;
3994                 return NULL;
3995         }
3996
3997         cb->fn.rx = fn;
3998         cb->param = user_param;
3999
4000         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4001         /* Add the callbacks in fifo order. */
4002         struct rte_eth_rxtx_callback *tail =
4003                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4004
4005         if (!tail) {
4006                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4007
4008         } else {
4009                 while (tail->next)
4010                         tail = tail->next;
4011                 tail->next = cb;
4012         }
4013         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4014
4015         return cb;
4016 }
4017
4018 const struct rte_eth_rxtx_callback *
4019 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4020                 rte_rx_callback_fn fn, void *user_param)
4021 {
4022 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4023         rte_errno = ENOTSUP;
4024         return NULL;
4025 #endif
4026         /* check input parameters */
4027         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4028                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4029                 rte_errno = EINVAL;
4030                 return NULL;
4031         }
4032
4033         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4034
4035         if (cb == NULL) {
4036                 rte_errno = ENOMEM;
4037                 return NULL;
4038         }
4039
4040         cb->fn.rx = fn;
4041         cb->param = user_param;
4042
4043         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4044         /* Add the callbacks at fisrt position*/
4045         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4046         rte_smp_wmb();
4047         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4048         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4049
4050         return cb;
4051 }
4052
4053 const struct rte_eth_rxtx_callback *
4054 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4055                 rte_tx_callback_fn fn, void *user_param)
4056 {
4057 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4058         rte_errno = ENOTSUP;
4059         return NULL;
4060 #endif
4061         /* check input parameters */
4062         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4063                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4064                 rte_errno = EINVAL;
4065                 return NULL;
4066         }
4067
4068         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4069
4070         if (cb == NULL) {
4071                 rte_errno = ENOMEM;
4072                 return NULL;
4073         }
4074
4075         cb->fn.tx = fn;
4076         cb->param = user_param;
4077
4078         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4079         /* Add the callbacks in fifo order. */
4080         struct rte_eth_rxtx_callback *tail =
4081                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4082
4083         if (!tail) {
4084                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4085
4086         } else {
4087                 while (tail->next)
4088                         tail = tail->next;
4089                 tail->next = cb;
4090         }
4091         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4092
4093         return cb;
4094 }
4095
4096 int
4097 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4098                 const struct rte_eth_rxtx_callback *user_cb)
4099 {
4100 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4101         return -ENOTSUP;
4102 #endif
4103         /* Check input parameters. */
4104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4105         if (user_cb == NULL ||
4106                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4107                 return -EINVAL;
4108
4109         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4110         struct rte_eth_rxtx_callback *cb;
4111         struct rte_eth_rxtx_callback **prev_cb;
4112         int ret = -EINVAL;
4113
4114         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4115         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4116         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4117                 cb = *prev_cb;
4118                 if (cb == user_cb) {
4119                         /* Remove the user cb from the callback list. */
4120                         *prev_cb = cb->next;
4121                         ret = 0;
4122                         break;
4123                 }
4124         }
4125         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4126
4127         return ret;
4128 }
4129
4130 int
4131 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4132                 const struct rte_eth_rxtx_callback *user_cb)
4133 {
4134 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4135         return -ENOTSUP;
4136 #endif
4137         /* Check input parameters. */
4138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4139         if (user_cb == NULL ||
4140                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4141                 return -EINVAL;
4142
4143         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4144         int ret = -EINVAL;
4145         struct rte_eth_rxtx_callback *cb;
4146         struct rte_eth_rxtx_callback **prev_cb;
4147
4148         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4149         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4150         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4151                 cb = *prev_cb;
4152                 if (cb == user_cb) {
4153                         /* Remove the user cb from the callback list. */
4154                         *prev_cb = cb->next;
4155                         ret = 0;
4156                         break;
4157                 }
4158         }
4159         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4160
4161         return ret;
4162 }
4163
4164 int
4165 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4166         struct rte_eth_rxq_info *qinfo)
4167 {
4168         struct rte_eth_dev *dev;
4169
4170         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4171
4172         if (qinfo == NULL)
4173                 return -EINVAL;
4174
4175         dev = &rte_eth_devices[port_id];
4176         if (queue_id >= dev->data->nb_rx_queues) {
4177                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4178                 return -EINVAL;
4179         }
4180
4181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4182
4183         memset(qinfo, 0, sizeof(*qinfo));
4184         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4185         return 0;
4186 }
4187
4188 int
4189 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4190         struct rte_eth_txq_info *qinfo)
4191 {
4192         struct rte_eth_dev *dev;
4193
4194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4195
4196         if (qinfo == NULL)
4197                 return -EINVAL;
4198
4199         dev = &rte_eth_devices[port_id];
4200         if (queue_id >= dev->data->nb_tx_queues) {
4201                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4202                 return -EINVAL;
4203         }
4204
4205         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4206
4207         memset(qinfo, 0, sizeof(*qinfo));
4208         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4209
4210         return 0;
4211 }
4212
4213 int
4214 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4215                              struct rte_ether_addr *mc_addr_set,
4216                              uint32_t nb_mc_addr)
4217 {
4218         struct rte_eth_dev *dev;
4219
4220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4221
4222         dev = &rte_eth_devices[port_id];
4223         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4224         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4225                                                 mc_addr_set, nb_mc_addr));
4226 }
4227
4228 int
4229 rte_eth_timesync_enable(uint16_t port_id)
4230 {
4231         struct rte_eth_dev *dev;
4232
4233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4234         dev = &rte_eth_devices[port_id];
4235
4236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4237         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4238 }
4239
4240 int
4241 rte_eth_timesync_disable(uint16_t port_id)
4242 {
4243         struct rte_eth_dev *dev;
4244
4245         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4246         dev = &rte_eth_devices[port_id];
4247
4248         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4249         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4250 }
4251
4252 int
4253 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4254                                    uint32_t flags)
4255 {
4256         struct rte_eth_dev *dev;
4257
4258         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4259         dev = &rte_eth_devices[port_id];
4260
4261         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4262         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4263                                 (dev, timestamp, flags));
4264 }
4265
4266 int
4267 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4268                                    struct timespec *timestamp)
4269 {
4270         struct rte_eth_dev *dev;
4271
4272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4273         dev = &rte_eth_devices[port_id];
4274
4275         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4276         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4277                                 (dev, timestamp));
4278 }
4279
4280 int
4281 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4282 {
4283         struct rte_eth_dev *dev;
4284
4285         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4286         dev = &rte_eth_devices[port_id];
4287
4288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4289         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4290                                                                       delta));
4291 }
4292
4293 int
4294 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4295 {
4296         struct rte_eth_dev *dev;
4297
4298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4299         dev = &rte_eth_devices[port_id];
4300
4301         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4302         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4303                                                                 timestamp));
4304 }
4305
4306 int
4307 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4308 {
4309         struct rte_eth_dev *dev;
4310
4311         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4312         dev = &rte_eth_devices[port_id];
4313
4314         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4315         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4316                                                                 timestamp));
4317 }
4318
4319 int
4320 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4321 {
4322         struct rte_eth_dev *dev;
4323
4324         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4325         dev = &rte_eth_devices[port_id];
4326
4327         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4328         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4329 }
4330
4331 int
4332 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4333 {
4334         struct rte_eth_dev *dev;
4335
4336         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4337
4338         dev = &rte_eth_devices[port_id];
4339         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4340         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4341 }
4342
4343 int
4344 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4345 {
4346         struct rte_eth_dev *dev;
4347
4348         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4349
4350         dev = &rte_eth_devices[port_id];
4351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4352         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4353 }
4354
4355 int
4356 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4357 {
4358         struct rte_eth_dev *dev;
4359
4360         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4361
4362         dev = &rte_eth_devices[port_id];
4363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4364         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4365 }
4366
4367 int
4368 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4369 {
4370         struct rte_eth_dev *dev;
4371
4372         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4373
4374         dev = &rte_eth_devices[port_id];
4375         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4376         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4377 }
4378
4379 int
4380 rte_eth_dev_get_module_info(uint16_t port_id,
4381                             struct rte_eth_dev_module_info *modinfo)
4382 {
4383         struct rte_eth_dev *dev;
4384
4385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4386
4387         dev = &rte_eth_devices[port_id];
4388         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4389         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4390 }
4391
4392 int
4393 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4394                               struct rte_dev_eeprom_info *info)
4395 {
4396         struct rte_eth_dev *dev;
4397
4398         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4399
4400         dev = &rte_eth_devices[port_id];
4401         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4402         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4403 }
4404
4405 int
4406 rte_eth_dev_get_dcb_info(uint16_t port_id,
4407                              struct rte_eth_dcb_info *dcb_info)
4408 {
4409         struct rte_eth_dev *dev;
4410
4411         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4412
4413         dev = &rte_eth_devices[port_id];
4414         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4415
4416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4417         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4418 }
4419
4420 int
4421 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4422                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4423 {
4424         struct rte_eth_dev *dev;
4425
4426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4427         if (l2_tunnel == NULL) {
4428                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4429                 return -EINVAL;
4430         }
4431
4432         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4433                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4434                 return -EINVAL;
4435         }
4436
4437         dev = &rte_eth_devices[port_id];
4438         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4439                                 -ENOTSUP);
4440         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4441                                                                 l2_tunnel));
4442 }
4443
4444 int
4445 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4446                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4447                                   uint32_t mask,
4448                                   uint8_t en)
4449 {
4450         struct rte_eth_dev *dev;
4451
4452         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4453
4454         if (l2_tunnel == NULL) {
4455                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4456                 return -EINVAL;
4457         }
4458
4459         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4460                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4461                 return -EINVAL;
4462         }
4463
4464         if (mask == 0) {
4465                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4466                 return -EINVAL;
4467         }
4468
4469         dev = &rte_eth_devices[port_id];
4470         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4471                                 -ENOTSUP);
4472         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4473                                                         l2_tunnel, mask, en));
4474 }
4475
4476 static void
4477 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4478                            const struct rte_eth_desc_lim *desc_lim)
4479 {
4480         if (desc_lim->nb_align != 0)
4481                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4482
4483         if (desc_lim->nb_max != 0)
4484                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4485
4486         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4487 }
4488
4489 int
4490 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4491                                  uint16_t *nb_rx_desc,
4492                                  uint16_t *nb_tx_desc)
4493 {
4494         struct rte_eth_dev_info dev_info;
4495         int ret;
4496
4497         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4498
4499         ret = rte_eth_dev_info_get(port_id, &dev_info);
4500         if (ret != 0)
4501                 return ret;
4502
4503         if (nb_rx_desc != NULL)
4504                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4505
4506         if (nb_tx_desc != NULL)
4507                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4508
4509         return 0;
4510 }
4511
4512 int
4513 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4514 {
4515         struct rte_eth_dev *dev;
4516
4517         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4518
4519         if (pool == NULL)
4520                 return -EINVAL;
4521
4522         dev = &rte_eth_devices[port_id];
4523
4524         if (*dev->dev_ops->pool_ops_supported == NULL)
4525                 return 1; /* all pools are supported */
4526
4527         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4528 }
4529
4530 /**
4531  * A set of values to describe the possible states of a switch domain.
4532  */
4533 enum rte_eth_switch_domain_state {
4534         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4535         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4536 };
4537
4538 /**
4539  * Array of switch domains available for allocation. Array is sized to
4540  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4541  * ethdev ports in a single process.
4542  */
4543 static struct rte_eth_dev_switch {
4544         enum rte_eth_switch_domain_state state;
4545 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4546
4547 int
4548 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4549 {
4550         unsigned int i;
4551
4552         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4553
4554         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4555                 i < RTE_MAX_ETHPORTS; i++) {
4556                 if (rte_eth_switch_domains[i].state ==
4557                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4558                         rte_eth_switch_domains[i].state =
4559                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4560                         *domain_id = i;
4561                         return 0;
4562                 }
4563         }
4564
4565         return -ENOSPC;
4566 }
4567
4568 int
4569 rte_eth_switch_domain_free(uint16_t domain_id)
4570 {
4571         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4572                 domain_id >= RTE_MAX_ETHPORTS)
4573                 return -EINVAL;
4574
4575         if (rte_eth_switch_domains[domain_id].state !=
4576                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4577                 return -EINVAL;
4578
4579         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4580
4581         return 0;
4582 }
4583
4584 static int
4585 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4586 {
4587         int state;
4588         struct rte_kvargs_pair *pair;
4589         char *letter;
4590
4591         arglist->str = strdup(str_in);
4592         if (arglist->str == NULL)
4593                 return -ENOMEM;
4594
4595         letter = arglist->str;
4596         state = 0;
4597         arglist->count = 0;
4598         pair = &arglist->pairs[0];
4599         while (1) {
4600                 switch (state) {
4601                 case 0: /* Initial */
4602                         if (*letter == '=')
4603                                 return -EINVAL;
4604                         else if (*letter == '\0')
4605                                 return 0;
4606
4607                         state = 1;
4608                         pair->key = letter;
4609                         /* fall-thru */
4610
4611                 case 1: /* Parsing key */
4612                         if (*letter == '=') {
4613                                 *letter = '\0';
4614                                 pair->value = letter + 1;
4615                                 state = 2;
4616                         } else if (*letter == ',' || *letter == '\0')
4617                                 return -EINVAL;
4618                         break;
4619
4620
4621                 case 2: /* Parsing value */
4622                         if (*letter == '[')
4623                                 state = 3;
4624                         else if (*letter == ',') {
4625                                 *letter = '\0';
4626                                 arglist->count++;
4627                                 pair = &arglist->pairs[arglist->count];
4628                                 state = 0;
4629                         } else if (*letter == '\0') {
4630                                 letter--;
4631                                 arglist->count++;
4632                                 pair = &arglist->pairs[arglist->count];
4633                                 state = 0;
4634                         }
4635                         break;
4636
4637                 case 3: /* Parsing list */
4638                         if (*letter == ']')
4639                                 state = 2;
4640                         else if (*letter == '\0')
4641                                 return -EINVAL;
4642                         break;
4643                 }
4644                 letter++;
4645         }
4646 }
4647
4648 int
4649 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4650 {
4651         struct rte_kvargs args;
4652         struct rte_kvargs_pair *pair;
4653         unsigned int i;
4654         int result = 0;
4655
4656         memset(eth_da, 0, sizeof(*eth_da));
4657
4658         result = rte_eth_devargs_tokenise(&args, dargs);
4659         if (result < 0)
4660                 goto parse_cleanup;
4661
4662         for (i = 0; i < args.count; i++) {
4663                 pair = &args.pairs[i];
4664                 if (strcmp("representor", pair->key) == 0) {
4665                         result = rte_eth_devargs_parse_list(pair->value,
4666                                 rte_eth_devargs_parse_representor_ports,
4667                                 eth_da);
4668                         if (result < 0)
4669                                 goto parse_cleanup;
4670                 }
4671         }
4672
4673 parse_cleanup:
4674         if (args.str)
4675                 free(args.str);
4676
4677         return result;
4678 }
4679
4680 RTE_INIT(ethdev_init_log)
4681 {
4682         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4683         if (rte_eth_dev_logtype >= 0)
4684                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4685 }