lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 /**
 170  * The user application callback description.
 171  *
 172  * It contains callback address to be registered by user application,
 173  * the pointer to the parameters for callback, and the event type.
 174  */
 175 struct rte_eth_dev_callback {
 176         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 177         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 178         void *cb_arg;                           /**< Parameter for callback */
 179         void *ret_param;                        /**< Return parameter */
 180         enum rte_eth_event_type event;          /**< Interrupt event type */
 181         uint32_t active;                        /**< Callback is executing */
 182 };
 183
 184 enum {
 185         STAT_QMAP_TX = 0,
 186         STAT_QMAP_RX
 187 };
 188
 189 int
 190 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 191 {
 192         int ret;
 193         struct rte_devargs devargs = {.args = NULL};
 194         const char *bus_param_key;
 195         char *bus_str = NULL;
 196         char *cls_str = NULL;
 197         int str_size;
 198
 199         memset(iter, 0, sizeof(*iter));
 200
 201         /*
 202          * The devargs string may use various syntaxes:
 203          *   - 0000:08:00.0,representor=[1-3]
 204          *   - pci:0000:06:00.0,representor=[0,5]
 205          *   - class=eth,mac=00:11:22:33:44:55
 206          * A new syntax is in development (not yet supported):
 207          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 208          */
 209
 210         /*
 211          * Handle pure class filter (i.e. without any bus-level argument),
 212          * from future new syntax.
 213          * rte_devargs_parse() is not yet supporting the new syntax,
 214          * that's why this simple case is temporarily parsed here.
 215          */
 216 #define iter_anybus_str "class=eth,"
 217         if (strncmp(devargs_str, iter_anybus_str,
 218                         strlen(iter_anybus_str)) == 0) {
 219                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 220                 goto end;
 221         }
 222
 223         /* Split bus, device and parameters. */
 224         ret = rte_devargs_parse(&devargs, devargs_str);
 225         if (ret != 0)
 226                 goto error;
 227
 228         /*
 229          * Assume parameters of old syntax can match only at ethdev level.
 230          * Extra parameters will be ignored, thanks to "+" prefix.
 231          */
 232         str_size = strlen(devargs.args) + 2;
 233         cls_str = malloc(str_size);
 234         if (cls_str == NULL) {
 235                 ret = -ENOMEM;
 236                 goto error;
 237         }
 238         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 239         if (ret != str_size - 1) {
 240                 ret = -EINVAL;
 241                 goto error;
 242         }
 243         iter->cls_str = cls_str;
 244         free(devargs.args); /* allocated by rte_devargs_parse() */
 245         devargs.args = NULL;
 246
 247         iter->bus = devargs.bus;
 248         if (iter->bus->dev_iterate == NULL) {
 249                 ret = -ENOTSUP;
 250                 goto error;
 251         }
 252
 253         /* Convert bus args to new syntax for use with new API dev_iterate. */
 254         if (strcmp(iter->bus->name, "vdev") == 0) {
 255                 bus_param_key = "name";
 256         } else if (strcmp(iter->bus->name, "pci") == 0) {
 257                 bus_param_key = "addr";
 258         } else {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 263         bus_str = malloc(str_size);
 264         if (bus_str == NULL) {
 265                 ret = -ENOMEM;
 266                 goto error;
 267         }
 268         ret = snprintf(bus_str, str_size, "%s=%s",
 269                         bus_param_key, devargs.name);
 270         if (ret != str_size - 1) {
 271                 ret = -EINVAL;
 272                 goto error;
 273         }
 274         iter->bus_str = bus_str;
 275
 276 end:
 277         iter->cls = rte_class_find_by_name("eth");
 278         return 0;
 279
 280 error:
 281         if (ret == -ENOTSUP)
 282                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 283                                 iter->bus->name);
 284         free(devargs.args);
 285         free(bus_str);
 286         free(cls_str);
 287         return ret;
 288 }
 289
 290 uint16_t
 291 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 292 {
 293         if (iter->cls == NULL) /* invalid ethdev iterator */
 294                 return RTE_MAX_ETHPORTS;
 295
 296         do { /* loop to try all matching rte_device */
 297                 /* If not pure ethdev filter and */
 298                 if (iter->bus != NULL &&
 299                                 /* not in middle of rte_eth_dev iteration, */
 300                                 iter->class_device == NULL) {
 301                         /* get next rte_device to try. */
 302                         iter->device = iter->bus->dev_iterate(
 303                                         iter->device, iter->bus_str, iter);
 304                         if (iter->device == NULL)
 305                                 break; /* no more rte_device candidate */
 306                 }
 307                 /* A device is matching bus part, need to check ethdev part. */
 308                 iter->class_device = iter->cls->dev_iterate(
 309                                 iter->class_device, iter->cls_str, iter);
 310                 if (iter->class_device != NULL)
 311                         return eth_dev_to_id(iter->class_device); /* match */
 312         } while (iter->bus != NULL); /* need to try next rte_device */
 313
 314         /* No more ethdev port to iterate. */
 315         rte_eth_iterator_cleanup(iter);
 316         return RTE_MAX_ETHPORTS;
 317 }
 318
 319 void
 320 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 321 {
 322         if (iter->bus_str == NULL)
 323                 return; /* nothing to free in pure class filter */
 324         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 325         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 326         memset(iter, 0, sizeof(*iter));
 327 }
 328
 329 uint16_t
 330 rte_eth_find_next(uint16_t port_id)
 331 {
 332         while (port_id < RTE_MAX_ETHPORTS &&
 333                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 334                 port_id++;
 335
 336         if (port_id >= RTE_MAX_ETHPORTS)
 337                 return RTE_MAX_ETHPORTS;
 338
 339         return port_id;
 340 }
 341
 342 /*
 343  * Macro to iterate over all valid ports for internal usage.
 344  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 345  */
 346 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 347         for (port_id = rte_eth_find_next(0); \
 348              port_id < RTE_MAX_ETHPORTS; \
 349              port_id = rte_eth_find_next(port_id + 1))
 350
 351 uint16_t
 352 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 353 {
 354         port_id = rte_eth_find_next(port_id);
 355         while (port_id < RTE_MAX_ETHPORTS &&
 356                         rte_eth_devices[port_id].device != parent)
 357                 port_id = rte_eth_find_next(port_id + 1);
 358
 359         return port_id;
 360 }
 361
 362 uint16_t
 363 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 364 {
 365         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 366         return rte_eth_find_next_of(port_id,
 367                         rte_eth_devices[ref_port_id].device);
 368 }
 369
 370 static void
 371 rte_eth_dev_shared_data_prepare(void)
 372 {
 373         const unsigned flags = 0;
 374         const struct rte_memzone *mz;
 375
 376         rte_spinlock_lock(&rte_eth_shared_data_lock);
 377
 378         if (rte_eth_dev_shared_data == NULL) {
 379                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 380                         /* Allocate port data and ownership shared memory. */
 381                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 382                                         sizeof(*rte_eth_dev_shared_data),
 383                                         rte_socket_id(), flags);
 384                 } else
 385                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 386                 if (mz == NULL)
 387                         rte_panic("Cannot allocate ethdev shared data\n");
 388
 389                 rte_eth_dev_shared_data = mz->addr;
 390                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 391                         rte_eth_dev_shared_data->next_owner_id =
 392                                         RTE_ETH_DEV_NO_OWNER + 1;
 393                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 394                         memset(rte_eth_dev_shared_data->data, 0,
 395                                sizeof(rte_eth_dev_shared_data->data));
 396                 }
 397         }
 398
 399         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 400 }
 401
 402 static bool
 403 is_allocated(const struct rte_eth_dev *ethdev)
 404 {
 405         return ethdev->data->name[0] != '\0';
 406 }
 407
 408 static struct rte_eth_dev *
 409 _rte_eth_dev_allocated(const char *name)
 410 {
 411         unsigned i;
 412
 413         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 414                 if (rte_eth_devices[i].data != NULL &&
 415                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 416                         return &rte_eth_devices[i];
 417         }
 418         return NULL;
 419 }
 420
 421 struct rte_eth_dev *
 422 rte_eth_dev_allocated(const char *name)
 423 {
 424         struct rte_eth_dev *ethdev;
 425
 426         rte_eth_dev_shared_data_prepare();
 427
 428         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 429
 430         ethdev = _rte_eth_dev_allocated(name);
 431
 432         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 433
 434         return ethdev;
 435 }
 436
 437 static uint16_t
 438 rte_eth_dev_find_free_port(void)
 439 {
 440         unsigned i;
 441
 442         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 443                 /* Using shared name field to find a free port. */
 444                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 445                         RTE_ASSERT(rte_eth_devices[i].state ==
 446                                    RTE_ETH_DEV_UNUSED);
 447                         return i;
 448                 }
 449         }
 450         return RTE_MAX_ETHPORTS;
 451 }
 452
 453 static struct rte_eth_dev *
 454 eth_dev_get(uint16_t port_id)
 455 {
 456         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 457
 458         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 459
 460         return eth_dev;
 461 }
 462
 463 struct rte_eth_dev *
 464 rte_eth_dev_allocate(const char *name)
 465 {
 466         uint16_t port_id;
 467         struct rte_eth_dev *eth_dev = NULL;
 468         size_t name_len;
 469
 470         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 471         if (name_len == 0) {
 472                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 473                 return NULL;
 474         }
 475
 476         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 477                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 478                 return NULL;
 479         }
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         /* Synchronize port creation between primary and secondary threads. */
 484         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 485
 486         if (_rte_eth_dev_allocated(name) != NULL) {
 487                 RTE_ETHDEV_LOG(ERR,
 488                         "Ethernet device with name %s already allocated\n",
 489                         name);
 490                 goto unlock;
 491         }
 492
 493         port_id = rte_eth_dev_find_free_port();
 494         if (port_id == RTE_MAX_ETHPORTS) {
 495                 RTE_ETHDEV_LOG(ERR,
 496                         "Reached maximum number of Ethernet ports\n");
 497                 goto unlock;
 498         }
 499
 500         eth_dev = eth_dev_get(port_id);
 501         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 502         eth_dev->data->port_id = port_id;
 503         eth_dev->data->mtu = RTE_ETHER_MTU;
 504
 505 unlock:
 506         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 507
 508         return eth_dev;
 509 }
 510
 511 /*
 512  * Attach to a port already registered by the primary process, which
 513  * makes sure that the same device would have the same port id both
 514  * in the primary and secondary process.
 515  */
 516 struct rte_eth_dev *
 517 rte_eth_dev_attach_secondary(const char *name)
 518 {
 519         uint16_t i;
 520         struct rte_eth_dev *eth_dev = NULL;
 521
 522         rte_eth_dev_shared_data_prepare();
 523
 524         /* Synchronize port attachment to primary port creation and release. */
 525         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 526
 527         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 528                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 529                         break;
 530         }
 531         if (i == RTE_MAX_ETHPORTS) {
 532                 RTE_ETHDEV_LOG(ERR,
 533                         "Device %s is not driven by the primary process\n",
 534                         name);
 535         } else {
 536                 eth_dev = eth_dev_get(i);
 537                 RTE_ASSERT(eth_dev->data->port_id == i);
 538         }
 539
 540         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 541         return eth_dev;
 542 }
 543
 544 int
 545 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 546 {
 547         if (eth_dev == NULL)
 548                 return -EINVAL;
 549
 550         rte_eth_dev_shared_data_prepare();
 551
 552         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 553                 _rte_eth_dev_callback_process(eth_dev,
 554                                 RTE_ETH_EVENT_DESTROY, NULL);
 555
 556         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 557
 558         eth_dev->state = RTE_ETH_DEV_UNUSED;
 559
 560         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 561                 rte_free(eth_dev->data->rx_queues);
 562                 rte_free(eth_dev->data->tx_queues);
 563                 rte_free(eth_dev->data->mac_addrs);
 564                 rte_free(eth_dev->data->hash_mac_addrs);
 565                 rte_free(eth_dev->data->dev_private);
 566                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 567         }
 568
 569         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 570
 571         return 0;
 572 }
 573
 574 int
 575 rte_eth_dev_is_valid_port(uint16_t port_id)
 576 {
 577         if (port_id >= RTE_MAX_ETHPORTS ||
 578             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 579                 return 0;
 580         else
 581                 return 1;
 582 }
 583
 584 static int
 585 rte_eth_is_valid_owner_id(uint64_t owner_id)
 586 {
 587         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 588             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 589                 return 0;
 590         return 1;
 591 }
 592
 593 uint64_t
 594 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 595 {
 596         port_id = rte_eth_find_next(port_id);
 597         while (port_id < RTE_MAX_ETHPORTS &&
 598                         rte_eth_devices[port_id].data->owner.id != owner_id)
 599                 port_id = rte_eth_find_next(port_id + 1);
 600
 601         return port_id;
 602 }
 603
 604 int __rte_experimental
 605 rte_eth_dev_owner_new(uint64_t *owner_id)
 606 {
 607         rte_eth_dev_shared_data_prepare();
 608
 609         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 610
 611         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 612
 613         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 614         return 0;
 615 }
 616
 617 static int
 618 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 619                        const struct rte_eth_dev_owner *new_owner)
 620 {
 621         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 622         struct rte_eth_dev_owner *port_owner;
 623
 624         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 625                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 626                         port_id);
 627                 return -ENODEV;
 628         }
 629
 630         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 631             !rte_eth_is_valid_owner_id(old_owner_id)) {
 632                 RTE_ETHDEV_LOG(ERR,
 633                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 634                        old_owner_id, new_owner->id);
 635                 return -EINVAL;
 636         }
 637
 638         port_owner = &rte_eth_devices[port_id].data->owner;
 639         if (port_owner->id != old_owner_id) {
 640                 RTE_ETHDEV_LOG(ERR,
 641                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 642                         port_id, port_owner->name, port_owner->id);
 643                 return -EPERM;
 644         }
 645
 646         /* can not truncate (same structure) */
 647         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 648
 649         port_owner->id = new_owner->id;
 650
 651         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 652                 port_id, new_owner->name, new_owner->id);
 653
 654         return 0;
 655 }
 656
 657 int __rte_experimental
 658 rte_eth_dev_owner_set(const uint16_t port_id,
 659                       const struct rte_eth_dev_owner *owner)
 660 {
 661         int ret;
 662
 663         rte_eth_dev_shared_data_prepare();
 664
 665         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 666
 667         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 668
 669         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 670         return ret;
 671 }
 672
 673 int __rte_experimental
 674 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 675 {
 676         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 677                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 678         int ret;
 679
 680         rte_eth_dev_shared_data_prepare();
 681
 682         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 683
 684         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 685
 686         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 687         return ret;
 688 }
 689
 690 void __rte_experimental
 691 rte_eth_dev_owner_delete(const uint64_t owner_id)
 692 {
 693         uint16_t port_id;
 694
 695         rte_eth_dev_shared_data_prepare();
 696
 697         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 698
 699         if (rte_eth_is_valid_owner_id(owner_id)) {
 700                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 701                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 702                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 703                                        sizeof(struct rte_eth_dev_owner));
 704                 RTE_ETHDEV_LOG(NOTICE,
 705                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 706                         owner_id);
 707         } else {
 708                 RTE_ETHDEV_LOG(ERR,
 709                                "Invalid owner id=%016"PRIx64"\n",
 710                                owner_id);
 711         }
 712
 713         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 714 }
 715
 716 int __rte_experimental
 717 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 718 {
 719         int ret = 0;
 720         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 721
 722         rte_eth_dev_shared_data_prepare();
 723
 724         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 725
 726         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 727                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 728                         port_id);
 729                 ret = -ENODEV;
 730         } else {
 731                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 732         }
 733
 734         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 735         return ret;
 736 }
 737
 738 int
 739 rte_eth_dev_socket_id(uint16_t port_id)
 740 {
 741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 742         return rte_eth_devices[port_id].data->numa_node;
 743 }
 744
 745 void *
 746 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 747 {
 748         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 749         return rte_eth_devices[port_id].security_ctx;
 750 }
 751
 752 uint16_t
 753 rte_eth_dev_count(void)
 754 {
 755         return rte_eth_dev_count_avail();
 756 }
 757
 758 uint16_t
 759 rte_eth_dev_count_avail(void)
 760 {
 761         uint16_t p;
 762         uint16_t count;
 763
 764         count = 0;
 765
 766         RTE_ETH_FOREACH_DEV(p)
 767                 count++;
 768
 769         return count;
 770 }
 771
 772 uint16_t
 773 rte_eth_dev_count_total(void)
 774 {
 775         uint16_t port, count = 0;
 776
 777         RTE_ETH_FOREACH_VALID_DEV(port)
 778                 count++;
 779
 780         return count;
 781 }
 782
 783 int
 784 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 785 {
 786         char *tmp;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         if (name == NULL) {
 791                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 792                 return -EINVAL;
 793         }
 794
 795         /* shouldn't check 'rte_eth_devices[i].data',
 796          * because it might be overwritten by VDEV PMD */
 797         tmp = rte_eth_dev_shared_data->data[port_id].name;
 798         strcpy(name, tmp);
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 804 {
 805         uint32_t pid;
 806
 807         if (name == NULL) {
 808                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 809                 return -EINVAL;
 810         }
 811
 812         RTE_ETH_FOREACH_VALID_DEV(pid)
 813                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 814                         *port_id = pid;
 815                         return 0;
 816                 }
 817
 818         return -ENODEV;
 819 }
 820
 821 static int
 822 eth_err(uint16_t port_id, int ret)
 823 {
 824         if (ret == 0)
 825                 return 0;
 826         if (rte_eth_dev_is_removed(port_id))
 827                 return -EIO;
 828         return ret;
 829 }
 830
 831 static int
 832 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 833 {
 834         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 835         void **rxq;
 836         unsigned i;
 837
 838         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 839                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 840                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 841                                 RTE_CACHE_LINE_SIZE);
 842                 if (dev->data->rx_queues == NULL) {
 843                         dev->data->nb_rx_queues = 0;
 844                         return -(ENOMEM);
 845                 }
 846         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 847                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 848
 849                 rxq = dev->data->rx_queues;
 850
 851                 for (i = nb_queues; i < old_nb_queues; i++)
 852                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 853                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 854                                 RTE_CACHE_LINE_SIZE);
 855                 if (rxq == NULL)
 856                         return -(ENOMEM);
 857                 if (nb_queues > old_nb_queues) {
 858                         uint16_t new_qs = nb_queues - old_nb_queues;
 859
 860                         memset(rxq + old_nb_queues, 0,
 861                                 sizeof(rxq[0]) * new_qs);
 862                 }
 863
 864                 dev->data->rx_queues = rxq;
 865
 866         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 867                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 868
 869                 rxq = dev->data->rx_queues;
 870
 871                 for (i = nb_queues; i < old_nb_queues; i++)
 872                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 873
 874                 rte_free(dev->data->rx_queues);
 875                 dev->data->rx_queues = NULL;
 876         }
 877         dev->data->nb_rx_queues = nb_queues;
 878         return 0;
 879 }
 880
 881 int
 882 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 883 {
 884         struct rte_eth_dev *dev;
 885
 886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 887
 888         dev = &rte_eth_devices[port_id];
 889         if (!dev->data->dev_started) {
 890                 RTE_ETHDEV_LOG(ERR,
 891                         "Port %u must be started before start any queue\n",
 892                         port_id);
 893                 return -EINVAL;
 894         }
 895
 896         if (rx_queue_id >= dev->data->nb_rx_queues) {
 897                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 898                 return -EINVAL;
 899         }
 900
 901         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 902
 903         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 904                 RTE_ETHDEV_LOG(INFO,
 905                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 906                         rx_queue_id, port_id);
 907                 return 0;
 908         }
 909
 910         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 911                                                              rx_queue_id));
 912
 913 }
 914
 915 int
 916 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 917 {
 918         struct rte_eth_dev *dev;
 919
 920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 921
 922         dev = &rte_eth_devices[port_id];
 923         if (rx_queue_id >= dev->data->nb_rx_queues) {
 924                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 925                 return -EINVAL;
 926         }
 927
 928         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 929
 930         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 931                 RTE_ETHDEV_LOG(INFO,
 932                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 933                         rx_queue_id, port_id);
 934                 return 0;
 935         }
 936
 937         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 938
 939 }
 940
 941 int
 942 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 943 {
 944         struct rte_eth_dev *dev;
 945
 946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 947
 948         dev = &rte_eth_devices[port_id];
 949         if (!dev->data->dev_started) {
 950                 RTE_ETHDEV_LOG(ERR,
 951                         "Port %u must be started before start any queue\n",
 952                         port_id);
 953                 return -EINVAL;
 954         }
 955
 956         if (tx_queue_id >= dev->data->nb_tx_queues) {
 957                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 958                 return -EINVAL;
 959         }
 960
 961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 962
 963         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 964                 RTE_ETHDEV_LOG(INFO,
 965                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 966                         tx_queue_id, port_id);
 967                 return 0;
 968         }
 969
 970         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 971 }
 972
 973 int
 974 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 975 {
 976         struct rte_eth_dev *dev;
 977
 978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 979
 980         dev = &rte_eth_devices[port_id];
 981         if (tx_queue_id >= dev->data->nb_tx_queues) {
 982                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 983                 return -EINVAL;
 984         }
 985
 986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 987
 988         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 989                 RTE_ETHDEV_LOG(INFO,
 990                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 991                         tx_queue_id, port_id);
 992                 return 0;
 993         }
 994
 995         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 996
 997 }
 998
 999 static int
1000 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1001 {
1002         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1003         void **txq;
1004         unsigned i;
1005
1006         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1007                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1008                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1009                                                    RTE_CACHE_LINE_SIZE);
1010                 if (dev->data->tx_queues == NULL) {
1011                         dev->data->nb_tx_queues = 0;
1012                         return -(ENOMEM);
1013                 }
1014         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1015                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1016
1017                 txq = dev->data->tx_queues;
1018
1019                 for (i = nb_queues; i < old_nb_queues; i++)
1020                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1021                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1022                                   RTE_CACHE_LINE_SIZE);
1023                 if (txq == NULL)
1024                         return -ENOMEM;
1025                 if (nb_queues > old_nb_queues) {
1026                         uint16_t new_qs = nb_queues - old_nb_queues;
1027
1028                         memset(txq + old_nb_queues, 0,
1029                                sizeof(txq[0]) * new_qs);
1030                 }
1031
1032                 dev->data->tx_queues = txq;
1033
1034         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1035                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1036
1037                 txq = dev->data->tx_queues;
1038
1039                 for (i = nb_queues; i < old_nb_queues; i++)
1040                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1041
1042                 rte_free(dev->data->tx_queues);
1043                 dev->data->tx_queues = NULL;
1044         }
1045         dev->data->nb_tx_queues = nb_queues;
1046         return 0;
1047 }
1048
1049 uint32_t
1050 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1051 {
1052         switch (speed) {
1053         case ETH_SPEED_NUM_10M:
1054                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1055         case ETH_SPEED_NUM_100M:
1056                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1057         case ETH_SPEED_NUM_1G:
1058                 return ETH_LINK_SPEED_1G;
1059         case ETH_SPEED_NUM_2_5G:
1060                 return ETH_LINK_SPEED_2_5G;
1061         case ETH_SPEED_NUM_5G:
1062                 return ETH_LINK_SPEED_5G;
1063         case ETH_SPEED_NUM_10G:
1064                 return ETH_LINK_SPEED_10G;
1065         case ETH_SPEED_NUM_20G:
1066                 return ETH_LINK_SPEED_20G;
1067         case ETH_SPEED_NUM_25G:
1068                 return ETH_LINK_SPEED_25G;
1069         case ETH_SPEED_NUM_40G:
1070                 return ETH_LINK_SPEED_40G;
1071         case ETH_SPEED_NUM_50G:
1072                 return ETH_LINK_SPEED_50G;
1073         case ETH_SPEED_NUM_56G:
1074                 return ETH_LINK_SPEED_56G;
1075         case ETH_SPEED_NUM_100G:
1076                 return ETH_LINK_SPEED_100G;
1077         default:
1078                 return 0;
1079         }
1080 }
1081
1082 const char *
1083 rte_eth_dev_rx_offload_name(uint64_t offload)
1084 {
1085         const char *name = "UNKNOWN";
1086         unsigned int i;
1087
1088         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1089                 if (offload == rte_rx_offload_names[i].offload) {
1090                         name = rte_rx_offload_names[i].name;
1091                         break;
1092                 }
1093         }
1094
1095         return name;
1096 }
1097
1098 const char *
1099 rte_eth_dev_tx_offload_name(uint64_t offload)
1100 {
1101         const char *name = "UNKNOWN";
1102         unsigned int i;
1103
1104         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1105                 if (offload == rte_tx_offload_names[i].offload) {
1106                         name = rte_tx_offload_names[i].name;
1107                         break;
1108                 }
1109         }
1110
1111         return name;
1112 }
1113
1114 int
1115 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1116                       const struct rte_eth_conf *dev_conf)
1117 {
1118         struct rte_eth_dev *dev;
1119         struct rte_eth_dev_info dev_info;
1120         struct rte_eth_conf orig_conf;
1121         int diag;
1122         int ret;
1123
1124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1125
1126         dev = &rte_eth_devices[port_id];
1127
1128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1130
1131         if (dev->data->dev_started) {
1132                 RTE_ETHDEV_LOG(ERR,
1133                         "Port %u must be stopped to allow configuration\n",
1134                         port_id);
1135                 return -EBUSY;
1136         }
1137
1138          /* Store original config, as rollback required on failure */
1139         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1140
1141         /*
1142          * Copy the dev_conf parameter into the dev structure.
1143          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1144          */
1145         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1146
1147         rte_eth_dev_info_get(port_id, &dev_info);
1148
1149         /* If number of queues specified by application for both Rx and Tx is
1150          * zero, use driver preferred values. This cannot be done individually
1151          * as it is valid for either Tx or Rx (but not both) to be zero.
1152          * If driver does not provide any preferred valued, fall back on
1153          * EAL defaults.
1154          */
1155         if (nb_rx_q == 0 && nb_tx_q == 0) {
1156                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1157                 if (nb_rx_q == 0)
1158                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1159                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1160                 if (nb_tx_q == 0)
1161                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1162         }
1163
1164         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1165                 RTE_ETHDEV_LOG(ERR,
1166                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1167                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1168                 ret = -EINVAL;
1169                 goto rollback;
1170         }
1171
1172         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1173                 RTE_ETHDEV_LOG(ERR,
1174                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1175                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1176                 ret = -EINVAL;
1177                 goto rollback;
1178         }
1179
1180         /*
1181          * Check that the numbers of RX and TX queues are not greater
1182          * than the maximum number of RX and TX queues supported by the
1183          * configured device.
1184          */
1185         if (nb_rx_q > dev_info.max_rx_queues) {
1186                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1187                         port_id, nb_rx_q, dev_info.max_rx_queues);
1188                 ret = -EINVAL;
1189                 goto rollback;
1190         }
1191
1192         if (nb_tx_q > dev_info.max_tx_queues) {
1193                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1194                         port_id, nb_tx_q, dev_info.max_tx_queues);
1195                 ret = -EINVAL;
1196                 goto rollback;
1197         }
1198
1199         /* Check that the device supports requested interrupts */
1200         if ((dev_conf->intr_conf.lsc == 1) &&
1201                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1202                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1203                         dev->device->driver->name);
1204                 ret = -EINVAL;
1205                 goto rollback;
1206         }
1207         if ((dev_conf->intr_conf.rmv == 1) &&
1208                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1209                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1210                         dev->device->driver->name);
1211                 ret = -EINVAL;
1212                 goto rollback;
1213         }
1214
1215         /*
1216          * If jumbo frames are enabled, check that the maximum RX packet
1217          * length is supported by the configured device.
1218          */
1219         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1220                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1221                         RTE_ETHDEV_LOG(ERR,
1222                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1223                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1224                                 dev_info.max_rx_pktlen);
1225                         ret = -EINVAL;
1226                         goto rollback;
1227                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1228                         RTE_ETHDEV_LOG(ERR,
1229                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1230                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1231                                 (unsigned int)RTE_ETHER_MIN_LEN);
1232                         ret = -EINVAL;
1233                         goto rollback;
1234                 }
1235         } else {
1236                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1237                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1238                         /* Use default value */
1239                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1240                                                         RTE_ETHER_MAX_LEN;
1241         }
1242
1243         /* Any requested offloading must be within its device capabilities */
1244         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1245              dev_conf->rxmode.offloads) {
1246                 RTE_ETHDEV_LOG(ERR,
1247                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1248                         "capabilities 0x%"PRIx64" in %s()\n",
1249                         port_id, dev_conf->rxmode.offloads,
1250                         dev_info.rx_offload_capa,
1251                         __func__);
1252                 ret = -EINVAL;
1253                 goto rollback;
1254         }
1255         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1256              dev_conf->txmode.offloads) {
1257                 RTE_ETHDEV_LOG(ERR,
1258                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1259                         "capabilities 0x%"PRIx64" in %s()\n",
1260                         port_id, dev_conf->txmode.offloads,
1261                         dev_info.tx_offload_capa,
1262                         __func__);
1263                 ret = -EINVAL;
1264                 goto rollback;
1265         }
1266
1267         /* Check that device supports requested rss hash functions. */
1268         if ((dev_info.flow_type_rss_offloads |
1269              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1270             dev_info.flow_type_rss_offloads) {
1271                 RTE_ETHDEV_LOG(ERR,
1272                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1273                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1274                         dev_info.flow_type_rss_offloads);
1275                 ret = -EINVAL;
1276                 goto rollback;
1277         }
1278
1279         /*
1280          * Setup new number of RX/TX queues and reconfigure device.
1281          */
1282         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1283         if (diag != 0) {
1284                 RTE_ETHDEV_LOG(ERR,
1285                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1286                         port_id, diag);
1287                 ret = diag;
1288                 goto rollback;
1289         }
1290
1291         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1292         if (diag != 0) {
1293                 RTE_ETHDEV_LOG(ERR,
1294                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1295                         port_id, diag);
1296                 rte_eth_dev_rx_queue_config(dev, 0);
1297                 ret = diag;
1298                 goto rollback;
1299         }
1300
1301         diag = (*dev->dev_ops->dev_configure)(dev);
1302         if (diag != 0) {
1303                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1304                         port_id, diag);
1305                 rte_eth_dev_rx_queue_config(dev, 0);
1306                 rte_eth_dev_tx_queue_config(dev, 0);
1307                 ret = eth_err(port_id, diag);
1308                 goto rollback;
1309         }
1310
1311         /* Initialize Rx profiling if enabled at compilation time. */
1312         diag = __rte_eth_dev_profile_init(port_id, dev);
1313         if (diag != 0) {
1314                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1315                         port_id, diag);
1316                 rte_eth_dev_rx_queue_config(dev, 0);
1317                 rte_eth_dev_tx_queue_config(dev, 0);
1318                 ret = eth_err(port_id, diag);
1319                 goto rollback;
1320         }
1321
1322         return 0;
1323
1324 rollback:
1325         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1326
1327         return ret;
1328 }
1329
1330 void
1331 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1332 {
1333         if (dev->data->dev_started) {
1334                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1335                         dev->data->port_id);
1336                 return;
1337         }
1338
1339         rte_eth_dev_rx_queue_config(dev, 0);
1340         rte_eth_dev_tx_queue_config(dev, 0);
1341
1342         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1343 }
1344
1345 static void
1346 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1347                         struct rte_eth_dev_info *dev_info)
1348 {
1349         struct rte_ether_addr *addr;
1350         uint16_t i;
1351         uint32_t pool = 0;
1352         uint64_t pool_mask;
1353
1354         /* replay MAC address configuration including default MAC */
1355         addr = &dev->data->mac_addrs[0];
1356         if (*dev->dev_ops->mac_addr_set != NULL)
1357                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1358         else if (*dev->dev_ops->mac_addr_add != NULL)
1359                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1360
1361         if (*dev->dev_ops->mac_addr_add != NULL) {
1362                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1363                         addr = &dev->data->mac_addrs[i];
1364
1365                         /* skip zero address */
1366                         if (rte_is_zero_ether_addr(addr))
1367                                 continue;
1368
1369                         pool = 0;
1370                         pool_mask = dev->data->mac_pool_sel[i];
1371
1372                         do {
1373                                 if (pool_mask & 1ULL)
1374                                         (*dev->dev_ops->mac_addr_add)(dev,
1375                                                 addr, i, pool);
1376                                 pool_mask >>= 1;
1377                                 pool++;
1378                         } while (pool_mask);
1379                 }
1380         }
1381 }
1382
1383 static void
1384 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1385                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1386 {
1387         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1388                 rte_eth_dev_mac_restore(dev, dev_info);
1389
1390         /* replay promiscuous configuration */
1391         if (rte_eth_promiscuous_get(port_id) == 1)
1392                 rte_eth_promiscuous_enable(port_id);
1393         else if (rte_eth_promiscuous_get(port_id) == 0)
1394                 rte_eth_promiscuous_disable(port_id);
1395
1396         /* replay all multicast configuration */
1397         if (rte_eth_allmulticast_get(port_id) == 1)
1398                 rte_eth_allmulticast_enable(port_id);
1399         else if (rte_eth_allmulticast_get(port_id) == 0)
1400                 rte_eth_allmulticast_disable(port_id);
1401 }
1402
1403 int
1404 rte_eth_dev_start(uint16_t port_id)
1405 {
1406         struct rte_eth_dev *dev;
1407         struct rte_eth_dev_info dev_info;
1408         int diag;
1409
1410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1411
1412         dev = &rte_eth_devices[port_id];
1413
1414         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1415
1416         if (dev->data->dev_started != 0) {
1417                 RTE_ETHDEV_LOG(INFO,
1418                         "Device with port_id=%"PRIu16" already started\n",
1419                         port_id);
1420                 return 0;
1421         }
1422
1423         rte_eth_dev_info_get(port_id, &dev_info);
1424
1425         /* Lets restore MAC now if device does not support live change */
1426         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1427                 rte_eth_dev_mac_restore(dev, &dev_info);
1428
1429         diag = (*dev->dev_ops->dev_start)(dev);
1430         if (diag == 0)
1431                 dev->data->dev_started = 1;
1432         else
1433                 return eth_err(port_id, diag);
1434
1435         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1436
1437         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1438                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1439                 (*dev->dev_ops->link_update)(dev, 0);
1440         }
1441         return 0;
1442 }
1443
1444 void
1445 rte_eth_dev_stop(uint16_t port_id)
1446 {
1447         struct rte_eth_dev *dev;
1448
1449         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1450         dev = &rte_eth_devices[port_id];
1451
1452         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1453
1454         if (dev->data->dev_started == 0) {
1455                 RTE_ETHDEV_LOG(INFO,
1456                         "Device with port_id=%"PRIu16" already stopped\n",
1457                         port_id);
1458                 return;
1459         }
1460
1461         dev->data->dev_started = 0;
1462         (*dev->dev_ops->dev_stop)(dev);
1463 }
1464
1465 int
1466 rte_eth_dev_set_link_up(uint16_t port_id)
1467 {
1468         struct rte_eth_dev *dev;
1469
1470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1471
1472         dev = &rte_eth_devices[port_id];
1473
1474         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1475         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1476 }
1477
1478 int
1479 rte_eth_dev_set_link_down(uint16_t port_id)
1480 {
1481         struct rte_eth_dev *dev;
1482
1483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1484
1485         dev = &rte_eth_devices[port_id];
1486
1487         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1488         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1489 }
1490
1491 void
1492 rte_eth_dev_close(uint16_t port_id)
1493 {
1494         struct rte_eth_dev *dev;
1495
1496         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1497         dev = &rte_eth_devices[port_id];
1498
1499         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1500         dev->data->dev_started = 0;
1501         (*dev->dev_ops->dev_close)(dev);
1502
1503         /* check behaviour flag - temporary for PMD migration */
1504         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1505                 /* new behaviour: send event + reset state + free all data */
1506                 rte_eth_dev_release_port(dev);
1507                 return;
1508         }
1509         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1510                         "The driver %s should migrate to the new behaviour.\n",
1511                         dev->device->driver->name);
1512         /* old behaviour: only free queue arrays */
1513         dev->data->nb_rx_queues = 0;
1514         rte_free(dev->data->rx_queues);
1515         dev->data->rx_queues = NULL;
1516         dev->data->nb_tx_queues = 0;
1517         rte_free(dev->data->tx_queues);
1518         dev->data->tx_queues = NULL;
1519 }
1520
1521 int
1522 rte_eth_dev_reset(uint16_t port_id)
1523 {
1524         struct rte_eth_dev *dev;
1525         int ret;
1526
1527         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1528         dev = &rte_eth_devices[port_id];
1529
1530         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1531
1532         rte_eth_dev_stop(port_id);
1533         ret = dev->dev_ops->dev_reset(dev);
1534
1535         return eth_err(port_id, ret);
1536 }
1537
1538 int __rte_experimental
1539 rte_eth_dev_is_removed(uint16_t port_id)
1540 {
1541         struct rte_eth_dev *dev;
1542         int ret;
1543
1544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1545
1546         dev = &rte_eth_devices[port_id];
1547
1548         if (dev->state == RTE_ETH_DEV_REMOVED)
1549                 return 1;
1550
1551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1552
1553         ret = dev->dev_ops->is_removed(dev);
1554         if (ret != 0)
1555                 /* Device is physically removed. */
1556                 dev->state = RTE_ETH_DEV_REMOVED;
1557
1558         return ret;
1559 }
1560
1561 int
1562 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1563                        uint16_t nb_rx_desc, unsigned int socket_id,
1564                        const struct rte_eth_rxconf *rx_conf,
1565                        struct rte_mempool *mp)
1566 {
1567         int ret;
1568         uint32_t mbp_buf_size;
1569         struct rte_eth_dev *dev;
1570         struct rte_eth_dev_info dev_info;
1571         struct rte_eth_rxconf local_conf;
1572         void **rxq;
1573
1574         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1575
1576         dev = &rte_eth_devices[port_id];
1577         if (rx_queue_id >= dev->data->nb_rx_queues) {
1578                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1579                 return -EINVAL;
1580         }
1581
1582         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1584
1585         /*
1586          * Check the size of the mbuf data buffer.
1587          * This value must be provided in the private data of the memory pool.
1588          * First check that the memory pool has a valid private data.
1589          */
1590         rte_eth_dev_info_get(port_id, &dev_info);
1591         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1592                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1593                         mp->name, (int)mp->private_data_size,
1594                         (int)sizeof(struct rte_pktmbuf_pool_private));
1595                 return -ENOSPC;
1596         }
1597         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1598
1599         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1600                 RTE_ETHDEV_LOG(ERR,
1601                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1602                         mp->name, (int)mbp_buf_size,
1603                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1604                         (int)RTE_PKTMBUF_HEADROOM,
1605                         (int)dev_info.min_rx_bufsize);
1606                 return -EINVAL;
1607         }
1608
1609         /* Use default specified by driver, if nb_rx_desc is zero */
1610         if (nb_rx_desc == 0) {
1611                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1612                 /* If driver default is also zero, fall back on EAL default */
1613                 if (nb_rx_desc == 0)
1614                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1615         }
1616
1617         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1618                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1619                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1620
1621                 RTE_ETHDEV_LOG(ERR,
1622                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1623                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1624                         dev_info.rx_desc_lim.nb_min,
1625                         dev_info.rx_desc_lim.nb_align);
1626                 return -EINVAL;
1627         }
1628
1629         if (dev->data->dev_started &&
1630                 !(dev_info.dev_capa &
1631                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1632                 return -EBUSY;
1633
1634         if (dev->data->dev_started &&
1635                 (dev->data->rx_queue_state[rx_queue_id] !=
1636                         RTE_ETH_QUEUE_STATE_STOPPED))
1637                 return -EBUSY;
1638
1639         rxq = dev->data->rx_queues;
1640         if (rxq[rx_queue_id]) {
1641                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1642                                         -ENOTSUP);
1643                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1644                 rxq[rx_queue_id] = NULL;
1645         }
1646
1647         if (rx_conf == NULL)
1648                 rx_conf = &dev_info.default_rxconf;
1649
1650         local_conf = *rx_conf;
1651
1652         /*
1653          * If an offloading has already been enabled in
1654          * rte_eth_dev_configure(), it has been enabled on all queues,
1655          * so there is no need to enable it in this queue again.
1656          * The local_conf.offloads input to underlying PMD only carries
1657          * those offloadings which are only enabled on this queue and
1658          * not enabled on all queues.
1659          */
1660         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1661
1662         /*
1663          * New added offloadings for this queue are those not enabled in
1664          * rte_eth_dev_configure() and they must be per-queue type.
1665          * A pure per-port offloading can't be enabled on a queue while
1666          * disabled on another queue. A pure per-port offloading can't
1667          * be enabled for any queue as new added one if it hasn't been
1668          * enabled in rte_eth_dev_configure().
1669          */
1670         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1671              local_conf.offloads) {
1672                 RTE_ETHDEV_LOG(ERR,
1673                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1674                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1675                         port_id, rx_queue_id, local_conf.offloads,
1676                         dev_info.rx_queue_offload_capa,
1677                         __func__);
1678                 return -EINVAL;
1679         }
1680
1681         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1682                                               socket_id, &local_conf, mp);
1683         if (!ret) {
1684                 if (!dev->data->min_rx_buf_size ||
1685                     dev->data->min_rx_buf_size > mbp_buf_size)
1686                         dev->data->min_rx_buf_size = mbp_buf_size;
1687         }
1688
1689         return eth_err(port_id, ret);
1690 }
1691
1692 int
1693 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1694                        uint16_t nb_tx_desc, unsigned int socket_id,
1695                        const struct rte_eth_txconf *tx_conf)
1696 {
1697         struct rte_eth_dev *dev;
1698         struct rte_eth_dev_info dev_info;
1699         struct rte_eth_txconf local_conf;
1700         void **txq;
1701
1702         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1703
1704         dev = &rte_eth_devices[port_id];
1705         if (tx_queue_id >= dev->data->nb_tx_queues) {
1706                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1707                 return -EINVAL;
1708         }
1709
1710         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1711         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1712
1713         rte_eth_dev_info_get(port_id, &dev_info);
1714
1715         /* Use default specified by driver, if nb_tx_desc is zero */
1716         if (nb_tx_desc == 0) {
1717                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1718                 /* If driver default is zero, fall back on EAL default */
1719                 if (nb_tx_desc == 0)
1720                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1721         }
1722         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1723             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1724             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1725                 RTE_ETHDEV_LOG(ERR,
1726                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1727                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1728                         dev_info.tx_desc_lim.nb_min,
1729                         dev_info.tx_desc_lim.nb_align);
1730                 return -EINVAL;
1731         }
1732
1733         if (dev->data->dev_started &&
1734                 !(dev_info.dev_capa &
1735                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1736                 return -EBUSY;
1737
1738         if (dev->data->dev_started &&
1739                 (dev->data->tx_queue_state[tx_queue_id] !=
1740                         RTE_ETH_QUEUE_STATE_STOPPED))
1741                 return -EBUSY;
1742
1743         txq = dev->data->tx_queues;
1744         if (txq[tx_queue_id]) {
1745                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1746                                         -ENOTSUP);
1747                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1748                 txq[tx_queue_id] = NULL;
1749         }
1750
1751         if (tx_conf == NULL)
1752                 tx_conf = &dev_info.default_txconf;
1753
1754         local_conf = *tx_conf;
1755
1756         /*
1757          * If an offloading has already been enabled in
1758          * rte_eth_dev_configure(), it has been enabled on all queues,
1759          * so there is no need to enable it in this queue again.
1760          * The local_conf.offloads input to underlying PMD only carries
1761          * those offloadings which are only enabled on this queue and
1762          * not enabled on all queues.
1763          */
1764         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1765
1766         /*
1767          * New added offloadings for this queue are those not enabled in
1768          * rte_eth_dev_configure() and they must be per-queue type.
1769          * A pure per-port offloading can't be enabled on a queue while
1770          * disabled on another queue. A pure per-port offloading can't
1771          * be enabled for any queue as new added one if it hasn't been
1772          * enabled in rte_eth_dev_configure().
1773          */
1774         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1775              local_conf.offloads) {
1776                 RTE_ETHDEV_LOG(ERR,
1777                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1778                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1779                         port_id, tx_queue_id, local_conf.offloads,
1780                         dev_info.tx_queue_offload_capa,
1781                         __func__);
1782                 return -EINVAL;
1783         }
1784
1785         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1786                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1787 }
1788
1789 void
1790 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1791                 void *userdata __rte_unused)
1792 {
1793         unsigned i;
1794
1795         for (i = 0; i < unsent; i++)
1796                 rte_pktmbuf_free(pkts[i]);
1797 }
1798
1799 void
1800 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1801                 void *userdata)
1802 {
1803         uint64_t *count = userdata;
1804         unsigned i;
1805
1806         for (i = 0; i < unsent; i++)
1807                 rte_pktmbuf_free(pkts[i]);
1808
1809         *count += unsent;
1810 }
1811
1812 int
1813 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1814                 buffer_tx_error_fn cbfn, void *userdata)
1815 {
1816         buffer->error_callback = cbfn;
1817         buffer->error_userdata = userdata;
1818         return 0;
1819 }
1820
1821 int
1822 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1823 {
1824         int ret = 0;
1825
1826         if (buffer == NULL)
1827                 return -EINVAL;
1828
1829         buffer->size = size;
1830         if (buffer->error_callback == NULL) {
1831                 ret = rte_eth_tx_buffer_set_err_callback(
1832                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1833         }
1834
1835         return ret;
1836 }
1837
1838 int
1839 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1840 {
1841         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1842         int ret;
1843
1844         /* Validate Input Data. Bail if not valid or not supported. */
1845         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1846         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1847
1848         /* Call driver to free pending mbufs. */
1849         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1850                                                free_cnt);
1851         return eth_err(port_id, ret);
1852 }
1853
1854 void
1855 rte_eth_promiscuous_enable(uint16_t port_id)
1856 {
1857         struct rte_eth_dev *dev;
1858
1859         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1860         dev = &rte_eth_devices[port_id];
1861
1862         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1863         (*dev->dev_ops->promiscuous_enable)(dev);
1864         dev->data->promiscuous = 1;
1865 }
1866
1867 void
1868 rte_eth_promiscuous_disable(uint16_t port_id)
1869 {
1870         struct rte_eth_dev *dev;
1871
1872         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1873         dev = &rte_eth_devices[port_id];
1874
1875         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1876         dev->data->promiscuous = 0;
1877         (*dev->dev_ops->promiscuous_disable)(dev);
1878 }
1879
1880 int
1881 rte_eth_promiscuous_get(uint16_t port_id)
1882 {
1883         struct rte_eth_dev *dev;
1884
1885         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1886
1887         dev = &rte_eth_devices[port_id];
1888         return dev->data->promiscuous;
1889 }
1890
1891 void
1892 rte_eth_allmulticast_enable(uint16_t port_id)
1893 {
1894         struct rte_eth_dev *dev;
1895
1896         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1897         dev = &rte_eth_devices[port_id];
1898
1899         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1900         (*dev->dev_ops->allmulticast_enable)(dev);
1901         dev->data->all_multicast = 1;
1902 }
1903
1904 void
1905 rte_eth_allmulticast_disable(uint16_t port_id)
1906 {
1907         struct rte_eth_dev *dev;
1908
1909         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1910         dev = &rte_eth_devices[port_id];
1911
1912         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1913         dev->data->all_multicast = 0;
1914         (*dev->dev_ops->allmulticast_disable)(dev);
1915 }
1916
1917 int
1918 rte_eth_allmulticast_get(uint16_t port_id)
1919 {
1920         struct rte_eth_dev *dev;
1921
1922         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1923
1924         dev = &rte_eth_devices[port_id];
1925         return dev->data->all_multicast;
1926 }
1927
1928 void
1929 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1930 {
1931         struct rte_eth_dev *dev;
1932
1933         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1934         dev = &rte_eth_devices[port_id];
1935
1936         if (dev->data->dev_conf.intr_conf.lsc &&
1937             dev->data->dev_started)
1938                 rte_eth_linkstatus_get(dev, eth_link);
1939         else {
1940                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1941                 (*dev->dev_ops->link_update)(dev, 1);
1942                 *eth_link = dev->data->dev_link;
1943         }
1944 }
1945
1946 void
1947 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1948 {
1949         struct rte_eth_dev *dev;
1950
1951         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1952         dev = &rte_eth_devices[port_id];
1953
1954         if (dev->data->dev_conf.intr_conf.lsc &&
1955             dev->data->dev_started)
1956                 rte_eth_linkstatus_get(dev, eth_link);
1957         else {
1958                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1959                 (*dev->dev_ops->link_update)(dev, 0);
1960                 *eth_link = dev->data->dev_link;
1961         }
1962 }
1963
1964 int
1965 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
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         memset(stats, 0, sizeof(*stats));
1973
1974         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1975         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1976         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1977 }
1978
1979 int
1980 rte_eth_stats_reset(uint16_t port_id)
1981 {
1982         struct rte_eth_dev *dev;
1983
1984         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1985         dev = &rte_eth_devices[port_id];
1986
1987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1988         (*dev->dev_ops->stats_reset)(dev);
1989         dev->data->rx_mbuf_alloc_failed = 0;
1990
1991         return 0;
1992 }
1993
1994 static inline int
1995 get_xstats_basic_count(struct rte_eth_dev *dev)
1996 {
1997         uint16_t nb_rxqs, nb_txqs;
1998         int count;
1999
2000         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2001         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2002
2003         count = RTE_NB_STATS;
2004         count += nb_rxqs * RTE_NB_RXQ_STATS;
2005         count += nb_txqs * RTE_NB_TXQ_STATS;
2006
2007         return count;
2008 }
2009
2010 static int
2011 get_xstats_count(uint16_t port_id)
2012 {
2013         struct rte_eth_dev *dev;
2014         int count;
2015
2016         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2017         dev = &rte_eth_devices[port_id];
2018         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2019                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2020                                 NULL, 0);
2021                 if (count < 0)
2022                         return eth_err(port_id, count);
2023         }
2024         if (dev->dev_ops->xstats_get_names != NULL) {
2025                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2026                 if (count < 0)
2027                         return eth_err(port_id, count);
2028         } else
2029                 count = 0;
2030
2031
2032         count += get_xstats_basic_count(dev);
2033
2034         return count;
2035 }
2036
2037 int
2038 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2039                 uint64_t *id)
2040 {
2041         int cnt_xstats, idx_xstat;
2042
2043         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2044
2045         if (!id) {
2046                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2047                 return -ENOMEM;
2048         }
2049
2050         if (!xstat_name) {
2051                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2052                 return -ENOMEM;
2053         }
2054
2055         /* Get count */
2056         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2057         if (cnt_xstats  < 0) {
2058                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2059                 return -ENODEV;
2060         }
2061
2062         /* Get id-name lookup table */
2063         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2064
2065         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2066                         port_id, xstats_names, cnt_xstats, NULL)) {
2067                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2068                 return -1;
2069         }
2070
2071         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2072                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2073                         *id = idx_xstat;
2074                         return 0;
2075                 };
2076         }
2077
2078         return -EINVAL;
2079 }
2080
2081 /* retrieve basic stats names */
2082 static int
2083 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2084         struct rte_eth_xstat_name *xstats_names)
2085 {
2086         int cnt_used_entries = 0;
2087         uint32_t idx, id_queue;
2088         uint16_t num_q;
2089
2090         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2091                 strlcpy(xstats_names[cnt_used_entries].name,
2092                         rte_stats_strings[idx].name,
2093                         sizeof(xstats_names[0].name));
2094                 cnt_used_entries++;
2095         }
2096         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2097         for (id_queue = 0; id_queue < num_q; id_queue++) {
2098                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2099                         snprintf(xstats_names[cnt_used_entries].name,
2100                                 sizeof(xstats_names[0].name),
2101                                 "rx_q%u%s",
2102                                 id_queue, rte_rxq_stats_strings[idx].name);
2103                         cnt_used_entries++;
2104                 }
2105
2106         }
2107         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2108         for (id_queue = 0; id_queue < num_q; id_queue++) {
2109                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2110                         snprintf(xstats_names[cnt_used_entries].name,
2111                                 sizeof(xstats_names[0].name),
2112                                 "tx_q%u%s",
2113                                 id_queue, rte_txq_stats_strings[idx].name);
2114                         cnt_used_entries++;
2115                 }
2116         }
2117         return cnt_used_entries;
2118 }
2119
2120 /* retrieve ethdev extended statistics names */
2121 int
2122 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2123         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2124         uint64_t *ids)
2125 {
2126         struct rte_eth_xstat_name *xstats_names_copy;
2127         unsigned int no_basic_stat_requested = 1;
2128         unsigned int no_ext_stat_requested = 1;
2129         unsigned int expected_entries;
2130         unsigned int basic_count;
2131         struct rte_eth_dev *dev;
2132         unsigned int i;
2133         int ret;
2134
2135         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2136         dev = &rte_eth_devices[port_id];
2137
2138         basic_count = get_xstats_basic_count(dev);
2139         ret = get_xstats_count(port_id);
2140         if (ret < 0)
2141                 return ret;
2142         expected_entries = (unsigned int)ret;
2143
2144         /* Return max number of stats if no ids given */
2145         if (!ids) {
2146                 if (!xstats_names)
2147                         return expected_entries;
2148                 else if (xstats_names && size < expected_entries)
2149                         return expected_entries;
2150         }
2151
2152         if (ids && !xstats_names)
2153                 return -EINVAL;
2154
2155         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2156                 uint64_t ids_copy[size];
2157
2158                 for (i = 0; i < size; i++) {
2159                         if (ids[i] < basic_count) {
2160                                 no_basic_stat_requested = 0;
2161                                 break;
2162                         }
2163
2164                         /*
2165                          * Convert ids to xstats ids that PMD knows.
2166                          * ids known by user are basic + extended stats.
2167                          */
2168                         ids_copy[i] = ids[i] - basic_count;
2169                 }
2170
2171                 if (no_basic_stat_requested)
2172                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2173                                         xstats_names, ids_copy, size);
2174         }
2175
2176         /* Retrieve all stats */
2177         if (!ids) {
2178                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2179                                 expected_entries);
2180                 if (num_stats < 0 || num_stats > (int)expected_entries)
2181                         return num_stats;
2182                 else
2183                         return expected_entries;
2184         }
2185
2186         xstats_names_copy = calloc(expected_entries,
2187                 sizeof(struct rte_eth_xstat_name));
2188
2189         if (!xstats_names_copy) {
2190                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2191                 return -ENOMEM;
2192         }
2193
2194         if (ids) {
2195                 for (i = 0; i < size; i++) {
2196                         if (ids[i] >= basic_count) {
2197                                 no_ext_stat_requested = 0;
2198                                 break;
2199                         }
2200                 }
2201         }
2202
2203         /* Fill xstats_names_copy structure */
2204         if (ids && no_ext_stat_requested) {
2205                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2206         } else {
2207                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2208                         expected_entries);
2209                 if (ret < 0) {
2210                         free(xstats_names_copy);
2211                         return ret;
2212                 }
2213         }
2214
2215         /* Filter stats */
2216         for (i = 0; i < size; i++) {
2217                 if (ids[i] >= expected_entries) {
2218                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2219                         free(xstats_names_copy);
2220                         return -1;
2221                 }
2222                 xstats_names[i] = xstats_names_copy[ids[i]];
2223         }
2224
2225         free(xstats_names_copy);
2226         return size;
2227 }
2228
2229 int
2230 rte_eth_xstats_get_names(uint16_t port_id,
2231         struct rte_eth_xstat_name *xstats_names,
2232         unsigned int size)
2233 {
2234         struct rte_eth_dev *dev;
2235         int cnt_used_entries;
2236         int cnt_expected_entries;
2237         int cnt_driver_entries;
2238
2239         cnt_expected_entries = get_xstats_count(port_id);
2240         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2241                         (int)size < cnt_expected_entries)
2242                 return cnt_expected_entries;
2243
2244         /* port_id checked in get_xstats_count() */
2245         dev = &rte_eth_devices[port_id];
2246
2247         cnt_used_entries = rte_eth_basic_stats_get_names(
2248                 dev, xstats_names);
2249
2250         if (dev->dev_ops->xstats_get_names != NULL) {
2251                 /* If there are any driver-specific xstats, append them
2252                  * to end of list.
2253                  */
2254                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2255                         dev,
2256                         xstats_names + cnt_used_entries,
2257                         size - cnt_used_entries);
2258                 if (cnt_driver_entries < 0)
2259                         return eth_err(port_id, cnt_driver_entries);
2260                 cnt_used_entries += cnt_driver_entries;
2261         }
2262
2263         return cnt_used_entries;
2264 }
2265
2266
2267 static int
2268 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2269 {
2270         struct rte_eth_dev *dev;
2271         struct rte_eth_stats eth_stats;
2272         unsigned int count = 0, i, q;
2273         uint64_t val, *stats_ptr;
2274         uint16_t nb_rxqs, nb_txqs;
2275         int ret;
2276
2277         ret = rte_eth_stats_get(port_id, &eth_stats);
2278         if (ret < 0)
2279                 return ret;
2280
2281         dev = &rte_eth_devices[port_id];
2282
2283         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2284         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2285
2286         /* global stats */
2287         for (i = 0; i < RTE_NB_STATS; i++) {
2288                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2289                                         rte_stats_strings[i].offset);
2290                 val = *stats_ptr;
2291                 xstats[count++].value = val;
2292         }
2293
2294         /* per-rxq stats */
2295         for (q = 0; q < nb_rxqs; q++) {
2296                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2297                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2298                                         rte_rxq_stats_strings[i].offset +
2299                                         q * sizeof(uint64_t));
2300                         val = *stats_ptr;
2301                         xstats[count++].value = val;
2302                 }
2303         }
2304
2305         /* per-txq stats */
2306         for (q = 0; q < nb_txqs; q++) {
2307                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2308                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2309                                         rte_txq_stats_strings[i].offset +
2310                                         q * sizeof(uint64_t));
2311                         val = *stats_ptr;
2312                         xstats[count++].value = val;
2313                 }
2314         }
2315         return count;
2316 }
2317
2318 /* retrieve ethdev extended statistics */
2319 int
2320 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2321                          uint64_t *values, unsigned int size)
2322 {
2323         unsigned int no_basic_stat_requested = 1;
2324         unsigned int no_ext_stat_requested = 1;
2325         unsigned int num_xstats_filled;
2326         unsigned int basic_count;
2327         uint16_t expected_entries;
2328         struct rte_eth_dev *dev;
2329         unsigned int i;
2330         int ret;
2331
2332         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2333         ret = get_xstats_count(port_id);
2334         if (ret < 0)
2335                 return ret;
2336         expected_entries = (uint16_t)ret;
2337         struct rte_eth_xstat xstats[expected_entries];
2338         dev = &rte_eth_devices[port_id];
2339         basic_count = get_xstats_basic_count(dev);
2340
2341         /* Return max number of stats if no ids given */
2342         if (!ids) {
2343                 if (!values)
2344                         return expected_entries;
2345                 else if (values && size < expected_entries)
2346                         return expected_entries;
2347         }
2348
2349         if (ids && !values)
2350                 return -EINVAL;
2351
2352         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2353                 unsigned int basic_count = get_xstats_basic_count(dev);
2354                 uint64_t ids_copy[size];
2355
2356                 for (i = 0; i < size; i++) {
2357                         if (ids[i] < basic_count) {
2358                                 no_basic_stat_requested = 0;
2359                                 break;
2360                         }
2361
2362                         /*
2363                          * Convert ids to xstats ids that PMD knows.
2364                          * ids known by user are basic + extended stats.
2365                          */
2366                         ids_copy[i] = ids[i] - basic_count;
2367                 }
2368
2369                 if (no_basic_stat_requested)
2370                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2371                                         values, size);
2372         }
2373
2374         if (ids) {
2375                 for (i = 0; i < size; i++) {
2376                         if (ids[i] >= basic_count) {
2377                                 no_ext_stat_requested = 0;
2378                                 break;
2379                         }
2380                 }
2381         }
2382
2383         /* Fill the xstats structure */
2384         if (ids && no_ext_stat_requested)
2385                 ret = rte_eth_basic_stats_get(port_id, xstats);
2386         else
2387                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2388
2389         if (ret < 0)
2390                 return ret;
2391         num_xstats_filled = (unsigned int)ret;
2392
2393         /* Return all stats */
2394         if (!ids) {
2395                 for (i = 0; i < num_xstats_filled; i++)
2396                         values[i] = xstats[i].value;
2397                 return expected_entries;
2398         }
2399
2400         /* Filter stats */
2401         for (i = 0; i < size; i++) {
2402                 if (ids[i] >= expected_entries) {
2403                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2404                         return -1;
2405                 }
2406                 values[i] = xstats[ids[i]].value;
2407         }
2408         return size;
2409 }
2410
2411 int
2412 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2413         unsigned int n)
2414 {
2415         struct rte_eth_dev *dev;
2416         unsigned int count = 0, i;
2417         signed int xcount = 0;
2418         uint16_t nb_rxqs, nb_txqs;
2419         int ret;
2420
2421         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2422
2423         dev = &rte_eth_devices[port_id];
2424
2425         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2426         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2427
2428         /* Return generic statistics */
2429         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2430                 (nb_txqs * RTE_NB_TXQ_STATS);
2431
2432         /* implemented by the driver */
2433         if (dev->dev_ops->xstats_get != NULL) {
2434                 /* Retrieve the xstats from the driver at the end of the
2435                  * xstats struct.
2436                  */
2437                 xcount = (*dev->dev_ops->xstats_get)(dev,
2438                                      xstats ? xstats + count : NULL,
2439                                      (n > count) ? n - count : 0);
2440
2441                 if (xcount < 0)
2442                         return eth_err(port_id, xcount);
2443         }
2444
2445         if (n < count + xcount || xstats == NULL)
2446                 return count + xcount;
2447
2448         /* now fill the xstats structure */
2449         ret = rte_eth_basic_stats_get(port_id, xstats);
2450         if (ret < 0)
2451                 return ret;
2452         count = ret;
2453
2454         for (i = 0; i < count; i++)
2455                 xstats[i].id = i;
2456         /* add an offset to driver-specific stats */
2457         for ( ; i < count + xcount; i++)
2458                 xstats[i].id += count;
2459
2460         return count + xcount;
2461 }
2462
2463 /* reset ethdev extended statistics */
2464 void
2465 rte_eth_xstats_reset(uint16_t port_id)
2466 {
2467         struct rte_eth_dev *dev;
2468
2469         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2470         dev = &rte_eth_devices[port_id];
2471
2472         /* implemented by the driver */
2473         if (dev->dev_ops->xstats_reset != NULL) {
2474                 (*dev->dev_ops->xstats_reset)(dev);
2475                 return;
2476         }
2477
2478         /* fallback to default */
2479         rte_eth_stats_reset(port_id);
2480 }
2481
2482 static int
2483 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2484                 uint8_t is_rx)
2485 {
2486         struct rte_eth_dev *dev;
2487
2488         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2489
2490         dev = &rte_eth_devices[port_id];
2491
2492         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2493
2494         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2495                 return -EINVAL;
2496
2497         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2498                 return -EINVAL;
2499
2500         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2501                 return -EINVAL;
2502
2503         return (*dev->dev_ops->queue_stats_mapping_set)
2504                         (dev, queue_id, stat_idx, is_rx);
2505 }
2506
2507
2508 int
2509 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2510                 uint8_t stat_idx)
2511 {
2512         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2513                                                 stat_idx, STAT_QMAP_TX));
2514 }
2515
2516
2517 int
2518 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2519                 uint8_t stat_idx)
2520 {
2521         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2522                                                 stat_idx, STAT_QMAP_RX));
2523 }
2524
2525 int
2526 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2527 {
2528         struct rte_eth_dev *dev;
2529
2530         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2531         dev = &rte_eth_devices[port_id];
2532
2533         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2534         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2535                                                         fw_version, fw_size));
2536 }
2537
2538 void
2539 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2540 {
2541         struct rte_eth_dev *dev;
2542         const struct rte_eth_desc_lim lim = {
2543                 .nb_max = UINT16_MAX,
2544                 .nb_min = 0,
2545                 .nb_align = 1,
2546         };
2547
2548         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2549         dev = &rte_eth_devices[port_id];
2550
2551         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2552         dev_info->rx_desc_lim = lim;
2553         dev_info->tx_desc_lim = lim;
2554         dev_info->device = dev->device;
2555         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2556         dev_info->max_mtu = UINT16_MAX;
2557
2558         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2559         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2560         dev_info->driver_name = dev->device->driver->name;
2561         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2562         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2563
2564         dev_info->dev_flags = &dev->data->dev_flags;
2565 }
2566
2567 int
2568 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2569                                  uint32_t *ptypes, int num)
2570 {
2571         int i, j;
2572         struct rte_eth_dev *dev;
2573         const uint32_t *all_ptypes;
2574
2575         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2576         dev = &rte_eth_devices[port_id];
2577         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2578         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2579
2580         if (!all_ptypes)
2581                 return 0;
2582
2583         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2584                 if (all_ptypes[i] & ptype_mask) {
2585                         if (j < num)
2586                                 ptypes[j] = all_ptypes[i];
2587                         j++;
2588                 }
2589
2590         return j;
2591 }
2592
2593 void
2594 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2595 {
2596         struct rte_eth_dev *dev;
2597
2598         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2599         dev = &rte_eth_devices[port_id];
2600         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2601 }
2602
2603
2604 int
2605 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2606 {
2607         struct rte_eth_dev *dev;
2608
2609         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2610
2611         dev = &rte_eth_devices[port_id];
2612         *mtu = dev->data->mtu;
2613         return 0;
2614 }
2615
2616 int
2617 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2618 {
2619         int ret;
2620         struct rte_eth_dev_info dev_info;
2621         struct rte_eth_dev *dev;
2622
2623         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2624         dev = &rte_eth_devices[port_id];
2625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2626
2627         /*
2628          * Check if the device supports dev_infos_get, if it does not
2629          * skip min_mtu/max_mtu validation here as this requires values
2630          * that are populated within the call to rte_eth_dev_info_get()
2631          * which relies on dev->dev_ops->dev_infos_get.
2632          */
2633         if (*dev->dev_ops->dev_infos_get != NULL) {
2634                 rte_eth_dev_info_get(port_id, &dev_info);
2635                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2636                         return -EINVAL;
2637         }
2638
2639         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2640         if (!ret)
2641                 dev->data->mtu = mtu;
2642
2643         return eth_err(port_id, ret);
2644 }
2645
2646 int
2647 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2648 {
2649         struct rte_eth_dev *dev;
2650         int ret;
2651
2652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2653         dev = &rte_eth_devices[port_id];
2654         if (!(dev->data->dev_conf.rxmode.offloads &
2655               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2656                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2657                         port_id);
2658                 return -ENOSYS;
2659         }
2660
2661         if (vlan_id > 4095) {
2662                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2663                         port_id, vlan_id);
2664                 return -EINVAL;
2665         }
2666         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2667
2668         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2669         if (ret == 0) {
2670                 struct rte_vlan_filter_conf *vfc;
2671                 int vidx;
2672                 int vbit;
2673
2674                 vfc = &dev->data->vlan_filter_conf;
2675                 vidx = vlan_id / 64;
2676                 vbit = vlan_id % 64;
2677
2678                 if (on)
2679                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2680                 else
2681                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2682         }
2683
2684         return eth_err(port_id, ret);
2685 }
2686
2687 int
2688 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2689                                     int on)
2690 {
2691         struct rte_eth_dev *dev;
2692
2693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2694         dev = &rte_eth_devices[port_id];
2695         if (rx_queue_id >= dev->data->nb_rx_queues) {
2696                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2697                 return -EINVAL;
2698         }
2699
2700         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2701         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2702
2703         return 0;
2704 }
2705
2706 int
2707 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2708                                 enum rte_vlan_type vlan_type,
2709                                 uint16_t tpid)
2710 {
2711         struct rte_eth_dev *dev;
2712
2713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2714         dev = &rte_eth_devices[port_id];
2715         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2716
2717         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2718                                                                tpid));
2719 }
2720
2721 int
2722 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2723 {
2724         struct rte_eth_dev *dev;
2725         int ret = 0;
2726         int mask = 0;
2727         int cur, org = 0;
2728         uint64_t orig_offloads;
2729
2730         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2731         dev = &rte_eth_devices[port_id];
2732
2733         /* save original values in case of failure */
2734         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2735
2736         /*check which option changed by application*/
2737         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2738         org = !!(dev->data->dev_conf.rxmode.offloads &
2739                  DEV_RX_OFFLOAD_VLAN_STRIP);
2740         if (cur != org) {
2741                 if (cur)
2742                         dev->data->dev_conf.rxmode.offloads |=
2743                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2744                 else
2745                         dev->data->dev_conf.rxmode.offloads &=
2746                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2747                 mask |= ETH_VLAN_STRIP_MASK;
2748         }
2749
2750         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2751         org = !!(dev->data->dev_conf.rxmode.offloads &
2752                  DEV_RX_OFFLOAD_VLAN_FILTER);
2753         if (cur != org) {
2754                 if (cur)
2755                         dev->data->dev_conf.rxmode.offloads |=
2756                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2757                 else
2758                         dev->data->dev_conf.rxmode.offloads &=
2759                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2760                 mask |= ETH_VLAN_FILTER_MASK;
2761         }
2762
2763         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2764         org = !!(dev->data->dev_conf.rxmode.offloads &
2765                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2766         if (cur != org) {
2767                 if (cur)
2768                         dev->data->dev_conf.rxmode.offloads |=
2769                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2770                 else
2771                         dev->data->dev_conf.rxmode.offloads &=
2772                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2773                 mask |= ETH_VLAN_EXTEND_MASK;
2774         }
2775
2776         /*no change*/
2777         if (mask == 0)
2778                 return ret;
2779
2780         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2781         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2782         if (ret) {
2783                 /* hit an error restore  original values */
2784                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2785         }
2786
2787         return eth_err(port_id, ret);
2788 }
2789
2790 int
2791 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2792 {
2793         struct rte_eth_dev *dev;
2794         int ret = 0;
2795
2796         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2797         dev = &rte_eth_devices[port_id];
2798
2799         if (dev->data->dev_conf.rxmode.offloads &
2800             DEV_RX_OFFLOAD_VLAN_STRIP)
2801                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2802
2803         if (dev->data->dev_conf.rxmode.offloads &
2804             DEV_RX_OFFLOAD_VLAN_FILTER)
2805                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2806
2807         if (dev->data->dev_conf.rxmode.offloads &
2808             DEV_RX_OFFLOAD_VLAN_EXTEND)
2809                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2810
2811         return ret;
2812 }
2813
2814 int
2815 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2816 {
2817         struct rte_eth_dev *dev;
2818
2819         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2820         dev = &rte_eth_devices[port_id];
2821         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2822
2823         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2824 }
2825
2826 int
2827 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2828 {
2829         struct rte_eth_dev *dev;
2830
2831         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2832         dev = &rte_eth_devices[port_id];
2833         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2834         memset(fc_conf, 0, sizeof(*fc_conf));
2835         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2836 }
2837
2838 int
2839 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2840 {
2841         struct rte_eth_dev *dev;
2842
2843         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2844         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2845                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2846                 return -EINVAL;
2847         }
2848
2849         dev = &rte_eth_devices[port_id];
2850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2851         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2852 }
2853
2854 int
2855 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2856                                    struct rte_eth_pfc_conf *pfc_conf)
2857 {
2858         struct rte_eth_dev *dev;
2859
2860         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2861         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2862                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2863                 return -EINVAL;
2864         }
2865
2866         dev = &rte_eth_devices[port_id];
2867         /* High water, low water validation are device specific */
2868         if  (*dev->dev_ops->priority_flow_ctrl_set)
2869                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2870                                         (dev, pfc_conf));
2871         return -ENOTSUP;
2872 }
2873
2874 static int
2875 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2876                         uint16_t reta_size)
2877 {
2878         uint16_t i, num;
2879
2880         if (!reta_conf)
2881                 return -EINVAL;
2882
2883         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2884         for (i = 0; i < num; i++) {
2885                 if (reta_conf[i].mask)
2886                         return 0;
2887         }
2888
2889         return -EINVAL;
2890 }
2891
2892 static int
2893 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2894                          uint16_t reta_size,
2895                          uint16_t max_rxq)
2896 {
2897         uint16_t i, idx, shift;
2898
2899         if (!reta_conf)
2900                 return -EINVAL;
2901
2902         if (max_rxq == 0) {
2903                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2904                 return -EINVAL;
2905         }
2906
2907         for (i = 0; i < reta_size; i++) {
2908                 idx = i / RTE_RETA_GROUP_SIZE;
2909                 shift = i % RTE_RETA_GROUP_SIZE;
2910                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2911                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2912                         RTE_ETHDEV_LOG(ERR,
2913                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2914                                 idx, shift,
2915                                 reta_conf[idx].reta[shift], max_rxq);
2916                         return -EINVAL;
2917                 }
2918         }
2919
2920         return 0;
2921 }
2922
2923 int
2924 rte_eth_dev_rss_reta_update(uint16_t port_id,
2925                             struct rte_eth_rss_reta_entry64 *reta_conf,
2926                             uint16_t reta_size)
2927 {
2928         struct rte_eth_dev *dev;
2929         int ret;
2930
2931         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2932         /* Check mask bits */
2933         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2934         if (ret < 0)
2935                 return ret;
2936
2937         dev = &rte_eth_devices[port_id];
2938
2939         /* Check entry value */
2940         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2941                                 dev->data->nb_rx_queues);
2942         if (ret < 0)
2943                 return ret;
2944
2945         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2946         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2947                                                              reta_size));
2948 }
2949
2950 int
2951 rte_eth_dev_rss_reta_query(uint16_t port_id,
2952                            struct rte_eth_rss_reta_entry64 *reta_conf,
2953                            uint16_t reta_size)
2954 {
2955         struct rte_eth_dev *dev;
2956         int ret;
2957
2958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2959
2960         /* Check mask bits */
2961         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2962         if (ret < 0)
2963                 return ret;
2964
2965         dev = &rte_eth_devices[port_id];
2966         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2967         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2968                                                             reta_size));
2969 }
2970
2971 int
2972 rte_eth_dev_rss_hash_update(uint16_t port_id,
2973                             struct rte_eth_rss_conf *rss_conf)
2974 {
2975         struct rte_eth_dev *dev;
2976         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2977
2978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2979         dev = &rte_eth_devices[port_id];
2980         rte_eth_dev_info_get(port_id, &dev_info);
2981         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2982             dev_info.flow_type_rss_offloads) {
2983                 RTE_ETHDEV_LOG(ERR,
2984                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2985                         port_id, rss_conf->rss_hf,
2986                         dev_info.flow_type_rss_offloads);
2987                 return -EINVAL;
2988         }
2989         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2990         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2991                                                                  rss_conf));
2992 }
2993
2994 int
2995 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2996                               struct rte_eth_rss_conf *rss_conf)
2997 {
2998         struct rte_eth_dev *dev;
2999
3000         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3001         dev = &rte_eth_devices[port_id];
3002         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3003         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3004                                                                    rss_conf));
3005 }
3006
3007 int
3008 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3009                                 struct rte_eth_udp_tunnel *udp_tunnel)
3010 {
3011         struct rte_eth_dev *dev;
3012
3013         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3014         if (udp_tunnel == NULL) {
3015                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3016                 return -EINVAL;
3017         }
3018
3019         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3020                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3021                 return -EINVAL;
3022         }
3023
3024         dev = &rte_eth_devices[port_id];
3025         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3026         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3027                                                                 udp_tunnel));
3028 }
3029
3030 int
3031 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3032                                    struct rte_eth_udp_tunnel *udp_tunnel)
3033 {
3034         struct rte_eth_dev *dev;
3035
3036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3037         dev = &rte_eth_devices[port_id];
3038
3039         if (udp_tunnel == NULL) {
3040                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3041                 return -EINVAL;
3042         }
3043
3044         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3045                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3046                 return -EINVAL;
3047         }
3048
3049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3050         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3051                                                                 udp_tunnel));
3052 }
3053
3054 int
3055 rte_eth_led_on(uint16_t port_id)
3056 {
3057         struct rte_eth_dev *dev;
3058
3059         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3060         dev = &rte_eth_devices[port_id];
3061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3062         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3063 }
3064
3065 int
3066 rte_eth_led_off(uint16_t port_id)
3067 {
3068         struct rte_eth_dev *dev;
3069
3070         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3071         dev = &rte_eth_devices[port_id];
3072         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3073         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3074 }
3075
3076 /*
3077  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3078  * an empty spot.
3079  */
3080 static int
3081 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3082 {
3083         struct rte_eth_dev_info dev_info;
3084         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3085         unsigned i;
3086
3087         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3088         rte_eth_dev_info_get(port_id, &dev_info);
3089
3090         for (i = 0; i < dev_info.max_mac_addrs; i++)
3091                 if (memcmp(addr, &dev->data->mac_addrs[i],
3092                                 RTE_ETHER_ADDR_LEN) == 0)
3093                         return i;
3094
3095         return -1;
3096 }
3097
3098 static const struct rte_ether_addr null_mac_addr;
3099
3100 int
3101 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3102                         uint32_t pool)
3103 {
3104         struct rte_eth_dev *dev;
3105         int index;
3106         uint64_t pool_mask;
3107         int ret;
3108
3109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3110         dev = &rte_eth_devices[port_id];
3111         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3112
3113         if (rte_is_zero_ether_addr(addr)) {
3114                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3115                         port_id);
3116                 return -EINVAL;
3117         }
3118         if (pool >= ETH_64_POOLS) {
3119                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3120                 return -EINVAL;
3121         }
3122
3123         index = get_mac_addr_index(port_id, addr);
3124         if (index < 0) {
3125                 index = get_mac_addr_index(port_id, &null_mac_addr);
3126                 if (index < 0) {
3127                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3128                                 port_id);
3129                         return -ENOSPC;
3130                 }
3131         } else {
3132                 pool_mask = dev->data->mac_pool_sel[index];
3133
3134                 /* Check if both MAC address and pool is already there, and do nothing */
3135                 if (pool_mask & (1ULL << pool))
3136                         return 0;
3137         }
3138
3139         /* Update NIC */
3140         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3141
3142         if (ret == 0) {
3143                 /* Update address in NIC data structure */
3144                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3145
3146                 /* Update pool bitmap in NIC data structure */
3147                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3148         }
3149
3150         return eth_err(port_id, ret);
3151 }
3152
3153 int
3154 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3155 {
3156         struct rte_eth_dev *dev;
3157         int index;
3158
3159         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3160         dev = &rte_eth_devices[port_id];
3161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3162
3163         index = get_mac_addr_index(port_id, addr);
3164         if (index == 0) {
3165                 RTE_ETHDEV_LOG(ERR,
3166                         "Port %u: Cannot remove default MAC address\n",
3167                         port_id);
3168                 return -EADDRINUSE;
3169         } else if (index < 0)
3170                 return 0;  /* Do nothing if address wasn't found */
3171
3172         /* Update NIC */
3173         (*dev->dev_ops->mac_addr_remove)(dev, index);
3174
3175         /* Update address in NIC data structure */
3176         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3177
3178         /* reset pool bitmap */
3179         dev->data->mac_pool_sel[index] = 0;
3180
3181         return 0;
3182 }
3183
3184 int
3185 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3186 {
3187         struct rte_eth_dev *dev;
3188         int ret;
3189
3190         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3191
3192         if (!rte_is_valid_assigned_ether_addr(addr))
3193                 return -EINVAL;
3194
3195         dev = &rte_eth_devices[port_id];
3196         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3197
3198         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3199         if (ret < 0)
3200                 return ret;
3201
3202         /* Update default address in NIC data structure */
3203         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3204
3205         return 0;
3206 }
3207
3208
3209 /*
3210  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3211  * an empty spot.
3212  */
3213 static int
3214 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3215 {
3216         struct rte_eth_dev_info dev_info;
3217         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3218         unsigned i;
3219
3220         rte_eth_dev_info_get(port_id, &dev_info);
3221         if (!dev->data->hash_mac_addrs)
3222                 return -1;
3223
3224         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3225                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3226                         RTE_ETHER_ADDR_LEN) == 0)
3227                         return i;
3228
3229         return -1;
3230 }
3231
3232 int
3233 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3234                                 uint8_t on)
3235 {
3236         int index;
3237         int ret;
3238         struct rte_eth_dev *dev;
3239
3240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3241
3242         dev = &rte_eth_devices[port_id];
3243         if (rte_is_zero_ether_addr(addr)) {
3244                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3245                         port_id);
3246                 return -EINVAL;
3247         }
3248
3249         index = get_hash_mac_addr_index(port_id, addr);
3250         /* Check if it's already there, and do nothing */
3251         if ((index >= 0) && on)
3252                 return 0;
3253
3254         if (index < 0) {
3255                 if (!on) {
3256                         RTE_ETHDEV_LOG(ERR,
3257                                 "Port %u: the MAC address was not set in UTA\n",
3258                                 port_id);
3259                         return -EINVAL;
3260                 }
3261
3262                 index = get_hash_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         }
3269
3270         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3271         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3272         if (ret == 0) {
3273                 /* Update address in NIC data structure */
3274                 if (on)
3275                         rte_ether_addr_copy(addr,
3276                                         &dev->data->hash_mac_addrs[index]);
3277                 else
3278                         rte_ether_addr_copy(&null_mac_addr,
3279                                         &dev->data->hash_mac_addrs[index]);
3280         }
3281
3282         return eth_err(port_id, ret);
3283 }
3284
3285 int
3286 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3287 {
3288         struct rte_eth_dev *dev;
3289
3290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3291
3292         dev = &rte_eth_devices[port_id];
3293
3294         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3295         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3296                                                                        on));
3297 }
3298
3299 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3300                                         uint16_t tx_rate)
3301 {
3302         struct rte_eth_dev *dev;
3303         struct rte_eth_dev_info dev_info;
3304         struct rte_eth_link link;
3305
3306         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3307
3308         dev = &rte_eth_devices[port_id];
3309         rte_eth_dev_info_get(port_id, &dev_info);
3310         link = dev->data->dev_link;
3311
3312         if (queue_idx > dev_info.max_tx_queues) {
3313                 RTE_ETHDEV_LOG(ERR,
3314                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3315                         port_id, queue_idx);
3316                 return -EINVAL;
3317         }
3318
3319         if (tx_rate > link.link_speed) {
3320                 RTE_ETHDEV_LOG(ERR,
3321                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3322                         tx_rate, link.link_speed);
3323                 return -EINVAL;
3324         }
3325
3326         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3327         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3328                                                         queue_idx, tx_rate));
3329 }
3330
3331 int
3332 rte_eth_mirror_rule_set(uint16_t port_id,
3333                         struct rte_eth_mirror_conf *mirror_conf,
3334                         uint8_t rule_id, uint8_t on)
3335 {
3336         struct rte_eth_dev *dev;
3337
3338         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3339         if (mirror_conf->rule_type == 0) {
3340                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3341                 return -EINVAL;
3342         }
3343
3344         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3345                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3346                         ETH_64_POOLS - 1);
3347                 return -EINVAL;
3348         }
3349
3350         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3351              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3352             (mirror_conf->pool_mask == 0)) {
3353                 RTE_ETHDEV_LOG(ERR,
3354                         "Invalid mirror pool, pool mask can not be 0\n");
3355                 return -EINVAL;
3356         }
3357
3358         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3359             mirror_conf->vlan.vlan_mask == 0) {
3360                 RTE_ETHDEV_LOG(ERR,
3361                         "Invalid vlan mask, vlan mask can not be 0\n");
3362                 return -EINVAL;
3363         }
3364
3365         dev = &rte_eth_devices[port_id];
3366         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3367
3368         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3369                                                 mirror_conf, rule_id, on));
3370 }
3371
3372 int
3373 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3374 {
3375         struct rte_eth_dev *dev;
3376
3377         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3378
3379         dev = &rte_eth_devices[port_id];
3380         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3381
3382         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3383                                                                    rule_id));
3384 }
3385
3386 RTE_INIT(eth_dev_init_cb_lists)
3387 {
3388         int i;
3389
3390         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3391                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3392 }
3393
3394 int
3395 rte_eth_dev_callback_register(uint16_t port_id,
3396                         enum rte_eth_event_type event,
3397                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3398 {
3399         struct rte_eth_dev *dev;
3400         struct rte_eth_dev_callback *user_cb;
3401         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3402         uint16_t last_port;
3403
3404         if (!cb_fn)
3405                 return -EINVAL;
3406
3407         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3408                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3409                 return -EINVAL;
3410         }
3411
3412         if (port_id == RTE_ETH_ALL) {
3413                 next_port = 0;
3414                 last_port = RTE_MAX_ETHPORTS - 1;
3415         } else {
3416                 next_port = last_port = port_id;
3417         }
3418
3419         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3420
3421         do {
3422                 dev = &rte_eth_devices[next_port];
3423
3424                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3425                         if (user_cb->cb_fn == cb_fn &&
3426                                 user_cb->cb_arg == cb_arg &&
3427                                 user_cb->event == event) {
3428                                 break;
3429                         }
3430                 }
3431
3432                 /* create a new callback. */
3433                 if (user_cb == NULL) {
3434                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3435                                 sizeof(struct rte_eth_dev_callback), 0);
3436                         if (user_cb != NULL) {
3437                                 user_cb->cb_fn = cb_fn;
3438                                 user_cb->cb_arg = cb_arg;
3439                                 user_cb->event = event;
3440                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3441                                                   user_cb, next);
3442                         } else {
3443                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3444                                 rte_eth_dev_callback_unregister(port_id, event,
3445                                                                 cb_fn, cb_arg);
3446                                 return -ENOMEM;
3447                         }
3448
3449                 }
3450         } while (++next_port <= last_port);
3451
3452         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3453         return 0;
3454 }
3455
3456 int
3457 rte_eth_dev_callback_unregister(uint16_t port_id,
3458                         enum rte_eth_event_type event,
3459                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3460 {
3461         int ret;
3462         struct rte_eth_dev *dev;
3463         struct rte_eth_dev_callback *cb, *next;
3464         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3465         uint16_t last_port;
3466
3467         if (!cb_fn)
3468                 return -EINVAL;
3469
3470         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3471                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3472                 return -EINVAL;
3473         }
3474
3475         if (port_id == RTE_ETH_ALL) {
3476                 next_port = 0;
3477                 last_port = RTE_MAX_ETHPORTS - 1;
3478         } else {
3479                 next_port = last_port = port_id;
3480         }
3481
3482         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3483
3484         do {
3485                 dev = &rte_eth_devices[next_port];
3486                 ret = 0;
3487                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3488                      cb = next) {
3489
3490                         next = TAILQ_NEXT(cb, next);
3491
3492                         if (cb->cb_fn != cb_fn || cb->event != event ||
3493                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3494                                 continue;
3495
3496                         /*
3497                          * if this callback is not executing right now,
3498                          * then remove it.
3499                          */
3500                         if (cb->active == 0) {
3501                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3502                                 rte_free(cb);
3503                         } else {
3504                                 ret = -EAGAIN;
3505                         }
3506                 }
3507         } while (++next_port <= last_port);
3508
3509         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3510         return ret;
3511 }
3512
3513 int
3514 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3515         enum rte_eth_event_type event, void *ret_param)
3516 {
3517         struct rte_eth_dev_callback *cb_lst;
3518         struct rte_eth_dev_callback dev_cb;
3519         int rc = 0;
3520
3521         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3522         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3523                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3524                         continue;
3525                 dev_cb = *cb_lst;
3526                 cb_lst->active = 1;
3527                 if (ret_param != NULL)
3528                         dev_cb.ret_param = ret_param;
3529
3530                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3531                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3532                                 dev_cb.cb_arg, dev_cb.ret_param);
3533                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3534                 cb_lst->active = 0;
3535         }
3536         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3537         return rc;
3538 }
3539
3540 void
3541 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3542 {
3543         if (dev == NULL)
3544                 return;
3545
3546         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3547
3548         dev->state = RTE_ETH_DEV_ATTACHED;
3549 }
3550
3551 int
3552 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3553 {
3554         uint32_t vec;
3555         struct rte_eth_dev *dev;
3556         struct rte_intr_handle *intr_handle;
3557         uint16_t qid;
3558         int rc;
3559
3560         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3561
3562         dev = &rte_eth_devices[port_id];
3563
3564         if (!dev->intr_handle) {
3565                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3566                 return -ENOTSUP;
3567         }
3568
3569         intr_handle = dev->intr_handle;
3570         if (!intr_handle->intr_vec) {
3571                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3572                 return -EPERM;
3573         }
3574
3575         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3576                 vec = intr_handle->intr_vec[qid];
3577                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3578                 if (rc && rc != -EEXIST) {
3579                         RTE_ETHDEV_LOG(ERR,
3580                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3581                                 port_id, qid, op, epfd, vec);
3582                 }
3583         }
3584
3585         return 0;
3586 }
3587
3588 int __rte_experimental
3589 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3590 {
3591         struct rte_intr_handle *intr_handle;
3592         struct rte_eth_dev *dev;
3593         unsigned int efd_idx;
3594         uint32_t vec;
3595         int fd;
3596
3597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3598
3599         dev = &rte_eth_devices[port_id];
3600
3601         if (queue_id >= dev->data->nb_rx_queues) {
3602                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3603                 return -1;
3604         }
3605
3606         if (!dev->intr_handle) {
3607                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3608                 return -1;
3609         }
3610
3611         intr_handle = dev->intr_handle;
3612         if (!intr_handle->intr_vec) {
3613                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3614                 return -1;
3615         }
3616
3617         vec = intr_handle->intr_vec[queue_id];
3618         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3619                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3620         fd = intr_handle->efds[efd_idx];
3621
3622         return fd;
3623 }
3624
3625 const struct rte_memzone *
3626 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3627                          uint16_t queue_id, size_t size, unsigned align,
3628                          int socket_id)
3629 {
3630         char z_name[RTE_MEMZONE_NAMESIZE];
3631         const struct rte_memzone *mz;
3632         int rc;
3633
3634         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3635                       dev->data->port_id, queue_id, ring_name);
3636         if (rc >= RTE_MEMZONE_NAMESIZE) {
3637                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3638                 rte_errno = ENAMETOOLONG;
3639                 return NULL;
3640         }
3641
3642         mz = rte_memzone_lookup(z_name);
3643         if (mz)
3644                 return mz;
3645
3646         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3647                         RTE_MEMZONE_IOVA_CONTIG, align);
3648 }
3649
3650 int __rte_experimental
3651 rte_eth_dev_create(struct rte_device *device, const char *name,
3652         size_t priv_data_size,
3653         ethdev_bus_specific_init ethdev_bus_specific_init,
3654         void *bus_init_params,
3655         ethdev_init_t ethdev_init, void *init_params)
3656 {
3657         struct rte_eth_dev *ethdev;
3658         int retval;
3659
3660         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3661
3662         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3663                 ethdev = rte_eth_dev_allocate(name);
3664                 if (!ethdev)
3665                         return -ENODEV;
3666
3667                 if (priv_data_size) {
3668                         ethdev->data->dev_private = rte_zmalloc_socket(
3669                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3670                                 device->numa_node);
3671
3672                         if (!ethdev->data->dev_private) {
3673                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3674                                 retval = -ENOMEM;
3675                                 goto probe_failed;
3676                         }
3677                 }
3678         } else {
3679                 ethdev = rte_eth_dev_attach_secondary(name);
3680                 if (!ethdev) {
3681                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3682                                 "ethdev doesn't exist");
3683                         return  -ENODEV;
3684                 }
3685         }
3686
3687         ethdev->device = device;
3688
3689         if (ethdev_bus_specific_init) {
3690                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3691                 if (retval) {
3692                         RTE_LOG(ERR, EAL,
3693                                 "ethdev bus specific initialisation failed");
3694                         goto probe_failed;
3695                 }
3696         }
3697
3698         retval = ethdev_init(ethdev, init_params);
3699         if (retval) {
3700                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3701                 goto probe_failed;
3702         }
3703
3704         rte_eth_dev_probing_finish(ethdev);
3705
3706         return retval;
3707
3708 probe_failed:
3709         rte_eth_dev_release_port(ethdev);
3710         return retval;
3711 }
3712
3713 int  __rte_experimental
3714 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3715         ethdev_uninit_t ethdev_uninit)
3716 {
3717         int ret;
3718
3719         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3720         if (!ethdev)
3721                 return -ENODEV;
3722
3723         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3724
3725         ret = ethdev_uninit(ethdev);
3726         if (ret)
3727                 return ret;
3728
3729         return rte_eth_dev_release_port(ethdev);
3730 }
3731
3732 int
3733 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3734                           int epfd, int op, void *data)
3735 {
3736         uint32_t vec;
3737         struct rte_eth_dev *dev;
3738         struct rte_intr_handle *intr_handle;
3739         int rc;
3740
3741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3742
3743         dev = &rte_eth_devices[port_id];
3744         if (queue_id >= dev->data->nb_rx_queues) {
3745                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3746                 return -EINVAL;
3747         }
3748
3749         if (!dev->intr_handle) {
3750                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3751                 return -ENOTSUP;
3752         }
3753
3754         intr_handle = dev->intr_handle;
3755         if (!intr_handle->intr_vec) {
3756                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3757                 return -EPERM;
3758         }
3759
3760         vec = intr_handle->intr_vec[queue_id];
3761         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3762         if (rc && rc != -EEXIST) {
3763                 RTE_ETHDEV_LOG(ERR,
3764                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3765                         port_id, queue_id, op, epfd, vec);
3766                 return rc;
3767         }
3768
3769         return 0;
3770 }
3771
3772 int
3773 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3774                            uint16_t queue_id)
3775 {
3776         struct rte_eth_dev *dev;
3777
3778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3779
3780         dev = &rte_eth_devices[port_id];
3781
3782         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3783         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3784                                                                 queue_id));
3785 }
3786
3787 int
3788 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3789                             uint16_t queue_id)
3790 {
3791         struct rte_eth_dev *dev;
3792
3793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3794
3795         dev = &rte_eth_devices[port_id];
3796
3797         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3798         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3799                                                                 queue_id));
3800 }
3801
3802
3803 int
3804 rte_eth_dev_filter_supported(uint16_t port_id,
3805                              enum rte_filter_type filter_type)
3806 {
3807         struct rte_eth_dev *dev;
3808
3809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3810
3811         dev = &rte_eth_devices[port_id];
3812         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3813         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3814                                 RTE_ETH_FILTER_NOP, NULL);
3815 }
3816
3817 int
3818 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3819                         enum rte_filter_op filter_op, void *arg)
3820 {
3821         struct rte_eth_dev *dev;
3822
3823         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3824
3825         dev = &rte_eth_devices[port_id];
3826         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3827         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3828                                                              filter_op, arg));
3829 }
3830
3831 const struct rte_eth_rxtx_callback *
3832 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3833                 rte_rx_callback_fn fn, void *user_param)
3834 {
3835 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3836         rte_errno = ENOTSUP;
3837         return NULL;
3838 #endif
3839         /* check input parameters */
3840         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3841                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3842                 rte_errno = EINVAL;
3843                 return NULL;
3844         }
3845         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3846
3847         if (cb == NULL) {
3848                 rte_errno = ENOMEM;
3849                 return NULL;
3850         }
3851
3852         cb->fn.rx = fn;
3853         cb->param = user_param;
3854
3855         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3856         /* Add the callbacks in fifo order. */
3857         struct rte_eth_rxtx_callback *tail =
3858                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3859
3860         if (!tail) {
3861                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3862
3863         } else {
3864                 while (tail->next)
3865                         tail = tail->next;
3866                 tail->next = cb;
3867         }
3868         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3869
3870         return cb;
3871 }
3872
3873 const struct rte_eth_rxtx_callback *
3874 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3875                 rte_rx_callback_fn fn, void *user_param)
3876 {
3877 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3878         rte_errno = ENOTSUP;
3879         return NULL;
3880 #endif
3881         /* check input parameters */
3882         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3883                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3884                 rte_errno = EINVAL;
3885                 return NULL;
3886         }
3887
3888         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3889
3890         if (cb == NULL) {
3891                 rte_errno = ENOMEM;
3892                 return NULL;
3893         }
3894
3895         cb->fn.rx = fn;
3896         cb->param = user_param;
3897
3898         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3899         /* Add the callbacks at fisrt position*/
3900         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3901         rte_smp_wmb();
3902         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3903         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3904
3905         return cb;
3906 }
3907
3908 const struct rte_eth_rxtx_callback *
3909 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3910                 rte_tx_callback_fn fn, void *user_param)
3911 {
3912 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3913         rte_errno = ENOTSUP;
3914         return NULL;
3915 #endif
3916         /* check input parameters */
3917         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3918                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3919                 rte_errno = EINVAL;
3920                 return NULL;
3921         }
3922
3923         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3924
3925         if (cb == NULL) {
3926                 rte_errno = ENOMEM;
3927                 return NULL;
3928         }
3929
3930         cb->fn.tx = fn;
3931         cb->param = user_param;
3932
3933         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3934         /* Add the callbacks in fifo order. */
3935         struct rte_eth_rxtx_callback *tail =
3936                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3937
3938         if (!tail) {
3939                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3940
3941         } else {
3942                 while (tail->next)
3943                         tail = tail->next;
3944                 tail->next = cb;
3945         }
3946         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3947
3948         return cb;
3949 }
3950
3951 int
3952 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3953                 const struct rte_eth_rxtx_callback *user_cb)
3954 {
3955 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3956         return -ENOTSUP;
3957 #endif
3958         /* Check input parameters. */
3959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3960         if (user_cb == NULL ||
3961                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3962                 return -EINVAL;
3963
3964         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3965         struct rte_eth_rxtx_callback *cb;
3966         struct rte_eth_rxtx_callback **prev_cb;
3967         int ret = -EINVAL;
3968
3969         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3970         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3971         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3972                 cb = *prev_cb;
3973                 if (cb == user_cb) {
3974                         /* Remove the user cb from the callback list. */
3975                         *prev_cb = cb->next;
3976                         ret = 0;
3977                         break;
3978                 }
3979         }
3980         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3981
3982         return ret;
3983 }
3984
3985 int
3986 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3987                 const struct rte_eth_rxtx_callback *user_cb)
3988 {
3989 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3990         return -ENOTSUP;
3991 #endif
3992         /* Check input parameters. */
3993         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3994         if (user_cb == NULL ||
3995                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3996                 return -EINVAL;
3997
3998         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3999         int ret = -EINVAL;
4000         struct rte_eth_rxtx_callback *cb;
4001         struct rte_eth_rxtx_callback **prev_cb;
4002
4003         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4004         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4005         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4006                 cb = *prev_cb;
4007                 if (cb == user_cb) {
4008                         /* Remove the user cb from the callback list. */
4009                         *prev_cb = cb->next;
4010                         ret = 0;
4011                         break;
4012                 }
4013         }
4014         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4015
4016         return ret;
4017 }
4018
4019 int
4020 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4021         struct rte_eth_rxq_info *qinfo)
4022 {
4023         struct rte_eth_dev *dev;
4024
4025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4026
4027         if (qinfo == NULL)
4028                 return -EINVAL;
4029
4030         dev = &rte_eth_devices[port_id];
4031         if (queue_id >= dev->data->nb_rx_queues) {
4032                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4033                 return -EINVAL;
4034         }
4035
4036         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4037
4038         memset(qinfo, 0, sizeof(*qinfo));
4039         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4040         return 0;
4041 }
4042
4043 int
4044 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4045         struct rte_eth_txq_info *qinfo)
4046 {
4047         struct rte_eth_dev *dev;
4048
4049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4050
4051         if (qinfo == NULL)
4052                 return -EINVAL;
4053
4054         dev = &rte_eth_devices[port_id];
4055         if (queue_id >= dev->data->nb_tx_queues) {
4056                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4057                 return -EINVAL;
4058         }
4059
4060         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4061
4062         memset(qinfo, 0, sizeof(*qinfo));
4063         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4064
4065         return 0;
4066 }
4067
4068 int
4069 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4070                              struct rte_ether_addr *mc_addr_set,
4071                              uint32_t nb_mc_addr)
4072 {
4073         struct rte_eth_dev *dev;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076
4077         dev = &rte_eth_devices[port_id];
4078         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4079         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4080                                                 mc_addr_set, nb_mc_addr));
4081 }
4082
4083 int
4084 rte_eth_timesync_enable(uint16_t port_id)
4085 {
4086         struct rte_eth_dev *dev;
4087
4088         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4089         dev = &rte_eth_devices[port_id];
4090
4091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4092         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4093 }
4094
4095 int
4096 rte_eth_timesync_disable(uint16_t port_id)
4097 {
4098         struct rte_eth_dev *dev;
4099
4100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4101         dev = &rte_eth_devices[port_id];
4102
4103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4104         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4105 }
4106
4107 int
4108 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4109                                    uint32_t flags)
4110 {
4111         struct rte_eth_dev *dev;
4112
4113         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4114         dev = &rte_eth_devices[port_id];
4115
4116         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4117         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4118                                 (dev, timestamp, flags));
4119 }
4120
4121 int
4122 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4123                                    struct timespec *timestamp)
4124 {
4125         struct rte_eth_dev *dev;
4126
4127         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4128         dev = &rte_eth_devices[port_id];
4129
4130         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4131         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4132                                 (dev, timestamp));
4133 }
4134
4135 int
4136 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4137 {
4138         struct rte_eth_dev *dev;
4139
4140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4141         dev = &rte_eth_devices[port_id];
4142
4143         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4144         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4145                                                                       delta));
4146 }
4147
4148 int
4149 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4150 {
4151         struct rte_eth_dev *dev;
4152
4153         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4154         dev = &rte_eth_devices[port_id];
4155
4156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4157         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4158                                                                 timestamp));
4159 }
4160
4161 int
4162 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4163 {
4164         struct rte_eth_dev *dev;
4165
4166         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4167         dev = &rte_eth_devices[port_id];
4168
4169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4170         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4171                                                                 timestamp));
4172 }
4173
4174 int
4175 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4176 {
4177         struct rte_eth_dev *dev;
4178
4179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4180
4181         dev = &rte_eth_devices[port_id];
4182         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4183         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4184 }
4185
4186 int
4187 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4188 {
4189         struct rte_eth_dev *dev;
4190
4191         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4192
4193         dev = &rte_eth_devices[port_id];
4194         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4195         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4196 }
4197
4198 int
4199 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4200 {
4201         struct rte_eth_dev *dev;
4202
4203         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4204
4205         dev = &rte_eth_devices[port_id];
4206         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4207         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4208 }
4209
4210 int
4211 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4212 {
4213         struct rte_eth_dev *dev;
4214
4215         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4216
4217         dev = &rte_eth_devices[port_id];
4218         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4219         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4220 }
4221
4222 int __rte_experimental
4223 rte_eth_dev_get_module_info(uint16_t port_id,
4224                             struct rte_eth_dev_module_info *modinfo)
4225 {
4226         struct rte_eth_dev *dev;
4227
4228         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4229
4230         dev = &rte_eth_devices[port_id];
4231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4232         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4233 }
4234
4235 int __rte_experimental
4236 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4237                               struct rte_dev_eeprom_info *info)
4238 {
4239         struct rte_eth_dev *dev;
4240
4241         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4242
4243         dev = &rte_eth_devices[port_id];
4244         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4245         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4246 }
4247
4248 int
4249 rte_eth_dev_get_dcb_info(uint16_t port_id,
4250                              struct rte_eth_dcb_info *dcb_info)
4251 {
4252         struct rte_eth_dev *dev;
4253
4254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4255
4256         dev = &rte_eth_devices[port_id];
4257         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4258
4259         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4260         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4261 }
4262
4263 int
4264 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4265                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4266 {
4267         struct rte_eth_dev *dev;
4268
4269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4270         if (l2_tunnel == NULL) {
4271                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4272                 return -EINVAL;
4273         }
4274
4275         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4276                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4277                 return -EINVAL;
4278         }
4279
4280         dev = &rte_eth_devices[port_id];
4281         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4282                                 -ENOTSUP);
4283         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4284                                                                 l2_tunnel));
4285 }
4286
4287 int
4288 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4289                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4290                                   uint32_t mask,
4291                                   uint8_t en)
4292 {
4293         struct rte_eth_dev *dev;
4294
4295         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4296
4297         if (l2_tunnel == NULL) {
4298                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4299                 return -EINVAL;
4300         }
4301
4302         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4303                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4304                 return -EINVAL;
4305         }
4306
4307         if (mask == 0) {
4308                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4309                 return -EINVAL;
4310         }
4311
4312         dev = &rte_eth_devices[port_id];
4313         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4314                                 -ENOTSUP);
4315         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4316                                                         l2_tunnel, mask, en));
4317 }
4318
4319 static void
4320 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4321                            const struct rte_eth_desc_lim *desc_lim)
4322 {
4323         if (desc_lim->nb_align != 0)
4324                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4325
4326         if (desc_lim->nb_max != 0)
4327                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4328
4329         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4330 }
4331
4332 int
4333 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4334                                  uint16_t *nb_rx_desc,
4335                                  uint16_t *nb_tx_desc)
4336 {
4337         struct rte_eth_dev *dev;
4338         struct rte_eth_dev_info dev_info;
4339
4340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4341
4342         dev = &rte_eth_devices[port_id];
4343         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4344
4345         rte_eth_dev_info_get(port_id, &dev_info);
4346
4347         if (nb_rx_desc != NULL)
4348                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4349
4350         if (nb_tx_desc != NULL)
4351                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4352
4353         return 0;
4354 }
4355
4356 int
4357 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4358 {
4359         struct rte_eth_dev *dev;
4360
4361         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4362
4363         if (pool == NULL)
4364                 return -EINVAL;
4365
4366         dev = &rte_eth_devices[port_id];
4367
4368         if (*dev->dev_ops->pool_ops_supported == NULL)
4369                 return 1; /* all pools are supported */
4370
4371         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4372 }
4373
4374 /**
4375  * A set of values to describe the possible states of a switch domain.
4376  */
4377 enum rte_eth_switch_domain_state {
4378         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4379         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4380 };
4381
4382 /**
4383  * Array of switch domains available for allocation. Array is sized to
4384  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4385  * ethdev ports in a single process.
4386  */
4387 static struct rte_eth_dev_switch {
4388         enum rte_eth_switch_domain_state state;
4389 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4390
4391 int __rte_experimental
4392 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4393 {
4394         unsigned int i;
4395
4396         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4397
4398         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4399                 i < RTE_MAX_ETHPORTS; i++) {
4400                 if (rte_eth_switch_domains[i].state ==
4401                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4402                         rte_eth_switch_domains[i].state =
4403                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4404                         *domain_id = i;
4405                         return 0;
4406                 }
4407         }
4408
4409         return -ENOSPC;
4410 }
4411
4412 int __rte_experimental
4413 rte_eth_switch_domain_free(uint16_t domain_id)
4414 {
4415         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4416                 domain_id >= RTE_MAX_ETHPORTS)
4417                 return -EINVAL;
4418
4419         if (rte_eth_switch_domains[domain_id].state !=
4420                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4421                 return -EINVAL;
4422
4423         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4424
4425         return 0;
4426 }
4427
4428 static int
4429 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4430 {
4431         int state;
4432         struct rte_kvargs_pair *pair;
4433         char *letter;
4434
4435         arglist->str = strdup(str_in);
4436         if (arglist->str == NULL)
4437                 return -ENOMEM;
4438
4439         letter = arglist->str;
4440         state = 0;
4441         arglist->count = 0;
4442         pair = &arglist->pairs[0];
4443         while (1) {
4444                 switch (state) {
4445                 case 0: /* Initial */
4446                         if (*letter == '=')
4447                                 return -EINVAL;
4448                         else if (*letter == '\0')
4449                                 return 0;
4450
4451                         state = 1;
4452                         pair->key = letter;
4453                         /* fall-thru */
4454
4455                 case 1: /* Parsing key */
4456                         if (*letter == '=') {
4457                                 *letter = '\0';
4458                                 pair->value = letter + 1;
4459                                 state = 2;
4460                         } else if (*letter == ',' || *letter == '\0')
4461                                 return -EINVAL;
4462                         break;
4463
4464
4465                 case 2: /* Parsing value */
4466                         if (*letter == '[')
4467                                 state = 3;
4468                         else if (*letter == ',') {
4469                                 *letter = '\0';
4470                                 arglist->count++;
4471                                 pair = &arglist->pairs[arglist->count];
4472                                 state = 0;
4473                         } else if (*letter == '\0') {
4474                                 letter--;
4475                                 arglist->count++;
4476                                 pair = &arglist->pairs[arglist->count];
4477                                 state = 0;
4478                         }
4479                         break;
4480
4481                 case 3: /* Parsing list */
4482                         if (*letter == ']')
4483                                 state = 2;
4484                         else if (*letter == '\0')
4485                                 return -EINVAL;
4486                         break;
4487                 }
4488                 letter++;
4489         }
4490 }
4491
4492 int __rte_experimental
4493 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4494 {
4495         struct rte_kvargs args;
4496         struct rte_kvargs_pair *pair;
4497         unsigned int i;
4498         int result = 0;
4499
4500         memset(eth_da, 0, sizeof(*eth_da));
4501
4502         result = rte_eth_devargs_tokenise(&args, dargs);
4503         if (result < 0)
4504                 goto parse_cleanup;
4505
4506         for (i = 0; i < args.count; i++) {
4507                 pair = &args.pairs[i];
4508                 if (strcmp("representor", pair->key) == 0) {
4509                         result = rte_eth_devargs_parse_list(pair->value,
4510                                 rte_eth_devargs_parse_representor_ports,
4511                                 eth_da);
4512                         if (result < 0)
4513                                 goto parse_cleanup;
4514                 }
4515         }
4516
4517 parse_cleanup:
4518         if (args.str)
4519                 free(args.str);
4520
4521         return result;
4522 }
4523
4524 RTE_INIT(ethdev_init_log)
4525 {
4526         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4527         if (rte_eth_dev_logtype >= 0)
4528                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4529 }