lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 /**
 170  * The user application callback description.
 171  *
 172  * It contains callback address to be registered by user application,
 173  * the pointer to the parameters for callback, and the event type.
 174  */
 175 struct rte_eth_dev_callback {
 176         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 177         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 178         void *cb_arg;                           /**< Parameter for callback */
 179         void *ret_param;                        /**< Return parameter */
 180         enum rte_eth_event_type event;          /**< Interrupt event type */
 181         uint32_t active;                        /**< Callback is executing */
 182 };
 183
 184 enum {
 185         STAT_QMAP_TX = 0,
 186         STAT_QMAP_RX
 187 };
 188
 189 int
 190 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 191 {
 192         int ret;
 193         struct rte_devargs devargs = {.args = NULL};
 194         const char *bus_param_key;
 195         char *bus_str = NULL;
 196         char *cls_str = NULL;
 197         int str_size;
 198
 199         memset(iter, 0, sizeof(*iter));
 200
 201         /*
 202          * The devargs string may use various syntaxes:
 203          *   - 0000:08:00.0,representor=[1-3]
 204          *   - pci:0000:06:00.0,representor=[0,5]
 205          *   - class=eth,mac=00:11:22:33:44:55
 206          * A new syntax is in development (not yet supported):
 207          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 208          */
 209
 210         /*
 211          * Handle pure class filter (i.e. without any bus-level argument),
 212          * from future new syntax.
 213          * rte_devargs_parse() is not yet supporting the new syntax,
 214          * that's why this simple case is temporarily parsed here.
 215          */
 216 #define iter_anybus_str "class=eth,"
 217         if (strncmp(devargs_str, iter_anybus_str,
 218                         strlen(iter_anybus_str)) == 0) {
 219                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 220                 goto end;
 221         }
 222
 223         /* Split bus, device and parameters. */
 224         ret = rte_devargs_parse(&devargs, devargs_str);
 225         if (ret != 0)
 226                 goto error;
 227
 228         /*
 229          * Assume parameters of old syntax can match only at ethdev level.
 230          * Extra parameters will be ignored, thanks to "+" prefix.
 231          */
 232         str_size = strlen(devargs.args) + 2;
 233         cls_str = malloc(str_size);
 234         if (cls_str == NULL) {
 235                 ret = -ENOMEM;
 236                 goto error;
 237         }
 238         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 239         if (ret != str_size - 1) {
 240                 ret = -EINVAL;
 241                 goto error;
 242         }
 243         iter->cls_str = cls_str;
 244         free(devargs.args); /* allocated by rte_devargs_parse() */
 245         devargs.args = NULL;
 246
 247         iter->bus = devargs.bus;
 248         if (iter->bus->dev_iterate == NULL) {
 249                 ret = -ENOTSUP;
 250                 goto error;
 251         }
 252
 253         /* Convert bus args to new syntax for use with new API dev_iterate. */
 254         if (strcmp(iter->bus->name, "vdev") == 0) {
 255                 bus_param_key = "name";
 256         } else if (strcmp(iter->bus->name, "pci") == 0) {
 257                 bus_param_key = "addr";
 258         } else {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 263         bus_str = malloc(str_size);
 264         if (bus_str == NULL) {
 265                 ret = -ENOMEM;
 266                 goto error;
 267         }
 268         ret = snprintf(bus_str, str_size, "%s=%s",
 269                         bus_param_key, devargs.name);
 270         if (ret != str_size - 1) {
 271                 ret = -EINVAL;
 272                 goto error;
 273         }
 274         iter->bus_str = bus_str;
 275
 276 end:
 277         iter->cls = rte_class_find_by_name("eth");
 278         return 0;
 279
 280 error:
 281         if (ret == -ENOTSUP)
 282                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 283                                 iter->bus->name);
 284         free(devargs.args);
 285         free(bus_str);
 286         free(cls_str);
 287         return ret;
 288 }
 289
 290 uint16_t
 291 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 292 {
 293         if (iter->cls == NULL) /* invalid ethdev iterator */
 294                 return RTE_MAX_ETHPORTS;
 295
 296         do { /* loop to try all matching rte_device */
 297                 /* If not pure ethdev filter and */
 298                 if (iter->bus != NULL &&
 299                                 /* not in middle of rte_eth_dev iteration, */
 300                                 iter->class_device == NULL) {
 301                         /* get next rte_device to try. */
 302                         iter->device = iter->bus->dev_iterate(
 303                                         iter->device, iter->bus_str, iter);
 304                         if (iter->device == NULL)
 305                                 break; /* no more rte_device candidate */
 306                 }
 307                 /* A device is matching bus part, need to check ethdev part. */
 308                 iter->class_device = iter->cls->dev_iterate(
 309                                 iter->class_device, iter->cls_str, iter);
 310                 if (iter->class_device != NULL)
 311                         return eth_dev_to_id(iter->class_device); /* match */
 312         } while (iter->bus != NULL); /* need to try next rte_device */
 313
 314         /* No more ethdev port to iterate. */
 315         rte_eth_iterator_cleanup(iter);
 316         return RTE_MAX_ETHPORTS;
 317 }
 318
 319 void
 320 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 321 {
 322         if (iter->bus_str == NULL)
 323                 return; /* nothing to free in pure class filter */
 324         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 325         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 326         memset(iter, 0, sizeof(*iter));
 327 }
 328
 329 uint16_t
 330 rte_eth_find_next(uint16_t port_id)
 331 {
 332         while (port_id < RTE_MAX_ETHPORTS &&
 333                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 334                 port_id++;
 335
 336         if (port_id >= RTE_MAX_ETHPORTS)
 337                 return RTE_MAX_ETHPORTS;
 338
 339         return port_id;
 340 }
 341
 342 /*
 343  * Macro to iterate over all valid ports for internal usage.
 344  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 345  */
 346 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 347         for (port_id = rte_eth_find_next(0); \
 348              port_id < RTE_MAX_ETHPORTS; \
 349              port_id = rte_eth_find_next(port_id + 1))
 350
 351 uint16_t
 352 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 353 {
 354         port_id = rte_eth_find_next(port_id);
 355         while (port_id < RTE_MAX_ETHPORTS &&
 356                         rte_eth_devices[port_id].device != parent)
 357                 port_id = rte_eth_find_next(port_id + 1);
 358
 359         return port_id;
 360 }
 361
 362 uint16_t
 363 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 364 {
 365         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 366         return rte_eth_find_next_of(port_id,
 367                         rte_eth_devices[ref_port_id].device);
 368 }
 369
 370 static void
 371 rte_eth_dev_shared_data_prepare(void)
 372 {
 373         const unsigned flags = 0;
 374         const struct rte_memzone *mz;
 375
 376         rte_spinlock_lock(&rte_eth_shared_data_lock);
 377
 378         if (rte_eth_dev_shared_data == NULL) {
 379                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 380                         /* Allocate port data and ownership shared memory. */
 381                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 382                                         sizeof(*rte_eth_dev_shared_data),
 383                                         rte_socket_id(), flags);
 384                 } else
 385                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 386                 if (mz == NULL)
 387                         rte_panic("Cannot allocate ethdev shared data\n");
 388
 389                 rte_eth_dev_shared_data = mz->addr;
 390                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 391                         rte_eth_dev_shared_data->next_owner_id =
 392                                         RTE_ETH_DEV_NO_OWNER + 1;
 393                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 394                         memset(rte_eth_dev_shared_data->data, 0,
 395                                sizeof(rte_eth_dev_shared_data->data));
 396                 }
 397         }
 398
 399         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 400 }
 401
 402 static bool
 403 is_allocated(const struct rte_eth_dev *ethdev)
 404 {
 405         return ethdev->data->name[0] != '\0';
 406 }
 407
 408 static struct rte_eth_dev *
 409 _rte_eth_dev_allocated(const char *name)
 410 {
 411         unsigned i;
 412
 413         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 414                 if (rte_eth_devices[i].data != NULL &&
 415                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 416                         return &rte_eth_devices[i];
 417         }
 418         return NULL;
 419 }
 420
 421 struct rte_eth_dev *
 422 rte_eth_dev_allocated(const char *name)
 423 {
 424         struct rte_eth_dev *ethdev;
 425
 426         rte_eth_dev_shared_data_prepare();
 427
 428         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 429
 430         ethdev = _rte_eth_dev_allocated(name);
 431
 432         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 433
 434         return ethdev;
 435 }
 436
 437 static uint16_t
 438 rte_eth_dev_find_free_port(void)
 439 {
 440         unsigned i;
 441
 442         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 443                 /* Using shared name field to find a free port. */
 444                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 445                         RTE_ASSERT(rte_eth_devices[i].state ==
 446                                    RTE_ETH_DEV_UNUSED);
 447                         return i;
 448                 }
 449         }
 450         return RTE_MAX_ETHPORTS;
 451 }
 452
 453 static struct rte_eth_dev *
 454 eth_dev_get(uint16_t port_id)
 455 {
 456         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 457
 458         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 459
 460         return eth_dev;
 461 }
 462
 463 struct rte_eth_dev *
 464 rte_eth_dev_allocate(const char *name)
 465 {
 466         uint16_t port_id;
 467         struct rte_eth_dev *eth_dev = NULL;
 468         size_t name_len;
 469
 470         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 471         if (name_len == 0) {
 472                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 473                 return NULL;
 474         }
 475
 476         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 477                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 478                 return NULL;
 479         }
 480
 481         rte_eth_dev_shared_data_prepare();
 482
 483         /* Synchronize port creation between primary and secondary threads. */
 484         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 485
 486         if (_rte_eth_dev_allocated(name) != NULL) {
 487                 RTE_ETHDEV_LOG(ERR,
 488                         "Ethernet device with name %s already allocated\n",
 489                         name);
 490                 goto unlock;
 491         }
 492
 493         port_id = rte_eth_dev_find_free_port();
 494         if (port_id == RTE_MAX_ETHPORTS) {
 495                 RTE_ETHDEV_LOG(ERR,
 496                         "Reached maximum number of Ethernet ports\n");
 497                 goto unlock;
 498         }
 499
 500         eth_dev = eth_dev_get(port_id);
 501         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 502         eth_dev->data->port_id = port_id;
 503         eth_dev->data->mtu = RTE_ETHER_MTU;
 504
 505 unlock:
 506         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 507
 508         return eth_dev;
 509 }
 510
 511 /*
 512  * Attach to a port already registered by the primary process, which
 513  * makes sure that the same device would have the same port id both
 514  * in the primary and secondary process.
 515  */
 516 struct rte_eth_dev *
 517 rte_eth_dev_attach_secondary(const char *name)
 518 {
 519         uint16_t i;
 520         struct rte_eth_dev *eth_dev = NULL;
 521
 522         rte_eth_dev_shared_data_prepare();
 523
 524         /* Synchronize port attachment to primary port creation and release. */
 525         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 526
 527         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 528                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 529                         break;
 530         }
 531         if (i == RTE_MAX_ETHPORTS) {
 532                 RTE_ETHDEV_LOG(ERR,
 533                         "Device %s is not driven by the primary process\n",
 534                         name);
 535         } else {
 536                 eth_dev = eth_dev_get(i);
 537                 RTE_ASSERT(eth_dev->data->port_id == i);
 538         }
 539
 540         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 541         return eth_dev;
 542 }
 543
 544 int
 545 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 546 {
 547         if (eth_dev == NULL)
 548                 return -EINVAL;
 549
 550         rte_eth_dev_shared_data_prepare();
 551
 552         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 553                 _rte_eth_dev_callback_process(eth_dev,
 554                                 RTE_ETH_EVENT_DESTROY, NULL);
 555
 556         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 557
 558         eth_dev->state = RTE_ETH_DEV_UNUSED;
 559
 560         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 561                 rte_free(eth_dev->data->rx_queues);
 562                 rte_free(eth_dev->data->tx_queues);
 563                 rte_free(eth_dev->data->mac_addrs);
 564                 rte_free(eth_dev->data->hash_mac_addrs);
 565                 rte_free(eth_dev->data->dev_private);
 566                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 567         }
 568
 569         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 570
 571         return 0;
 572 }
 573
 574 int
 575 rte_eth_dev_is_valid_port(uint16_t port_id)
 576 {
 577         if (port_id >= RTE_MAX_ETHPORTS ||
 578             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 579                 return 0;
 580         else
 581                 return 1;
 582 }
 583
 584 static int
 585 rte_eth_is_valid_owner_id(uint64_t owner_id)
 586 {
 587         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 588             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 589                 return 0;
 590         return 1;
 591 }
 592
 593 uint64_t
 594 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 595 {
 596         port_id = rte_eth_find_next(port_id);
 597         while (port_id < RTE_MAX_ETHPORTS &&
 598                         rte_eth_devices[port_id].data->owner.id != owner_id)
 599                 port_id = rte_eth_find_next(port_id + 1);
 600
 601         return port_id;
 602 }
 603
 604 int
 605 rte_eth_dev_owner_new(uint64_t *owner_id)
 606 {
 607         rte_eth_dev_shared_data_prepare();
 608
 609         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 610
 611         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 612
 613         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 614         return 0;
 615 }
 616
 617 static int
 618 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 619                        const struct rte_eth_dev_owner *new_owner)
 620 {
 621         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 622         struct rte_eth_dev_owner *port_owner;
 623
 624         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 625                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 626                         port_id);
 627                 return -ENODEV;
 628         }
 629
 630         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 631             !rte_eth_is_valid_owner_id(old_owner_id)) {
 632                 RTE_ETHDEV_LOG(ERR,
 633                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 634                        old_owner_id, new_owner->id);
 635                 return -EINVAL;
 636         }
 637
 638         port_owner = &rte_eth_devices[port_id].data->owner;
 639         if (port_owner->id != old_owner_id) {
 640                 RTE_ETHDEV_LOG(ERR,
 641                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 642                         port_id, port_owner->name, port_owner->id);
 643                 return -EPERM;
 644         }
 645
 646         /* can not truncate (same structure) */
 647         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 648
 649         port_owner->id = new_owner->id;
 650
 651         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 652                 port_id, new_owner->name, new_owner->id);
 653
 654         return 0;
 655 }
 656
 657 int
 658 rte_eth_dev_owner_set(const uint16_t port_id,
 659                       const struct rte_eth_dev_owner *owner)
 660 {
 661         int ret;
 662
 663         rte_eth_dev_shared_data_prepare();
 664
 665         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 666
 667         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 668
 669         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 670         return ret;
 671 }
 672
 673 int
 674 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 675 {
 676         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 677                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 678         int ret;
 679
 680         rte_eth_dev_shared_data_prepare();
 681
 682         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 683
 684         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 685
 686         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 687         return ret;
 688 }
 689
 690 void
 691 rte_eth_dev_owner_delete(const uint64_t owner_id)
 692 {
 693         uint16_t port_id;
 694
 695         rte_eth_dev_shared_data_prepare();
 696
 697         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 698
 699         if (rte_eth_is_valid_owner_id(owner_id)) {
 700                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 701                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 702                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 703                                        sizeof(struct rte_eth_dev_owner));
 704                 RTE_ETHDEV_LOG(NOTICE,
 705                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 706                         owner_id);
 707         } else {
 708                 RTE_ETHDEV_LOG(ERR,
 709                                "Invalid owner id=%016"PRIx64"\n",
 710                                owner_id);
 711         }
 712
 713         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 714 }
 715
 716 int
 717 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 718 {
 719         int ret = 0;
 720         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 721
 722         rte_eth_dev_shared_data_prepare();
 723
 724         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 725
 726         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 727                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 728                         port_id);
 729                 ret = -ENODEV;
 730         } else {
 731                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 732         }
 733
 734         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 735         return ret;
 736 }
 737
 738 int
 739 rte_eth_dev_socket_id(uint16_t port_id)
 740 {
 741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 742         return rte_eth_devices[port_id].data->numa_node;
 743 }
 744
 745 void *
 746 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 747 {
 748         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 749         return rte_eth_devices[port_id].security_ctx;
 750 }
 751
 752 uint16_t
 753 rte_eth_dev_count(void)
 754 {
 755         return rte_eth_dev_count_avail();
 756 }
 757
 758 uint16_t
 759 rte_eth_dev_count_avail(void)
 760 {
 761         uint16_t p;
 762         uint16_t count;
 763
 764         count = 0;
 765
 766         RTE_ETH_FOREACH_DEV(p)
 767                 count++;
 768
 769         return count;
 770 }
 771
 772 uint16_t
 773 rte_eth_dev_count_total(void)
 774 {
 775         uint16_t port, count = 0;
 776
 777         RTE_ETH_FOREACH_VALID_DEV(port)
 778                 count++;
 779
 780         return count;
 781 }
 782
 783 int
 784 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 785 {
 786         char *tmp;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         if (name == NULL) {
 791                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 792                 return -EINVAL;
 793         }
 794
 795         /* shouldn't check 'rte_eth_devices[i].data',
 796          * because it might be overwritten by VDEV PMD */
 797         tmp = rte_eth_dev_shared_data->data[port_id].name;
 798         strcpy(name, tmp);
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 804 {
 805         uint32_t pid;
 806
 807         if (name == NULL) {
 808                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 809                 return -EINVAL;
 810         }
 811
 812         RTE_ETH_FOREACH_VALID_DEV(pid)
 813                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 814                         *port_id = pid;
 815                         return 0;
 816                 }
 817
 818         return -ENODEV;
 819 }
 820
 821 static int
 822 eth_err(uint16_t port_id, int ret)
 823 {
 824         if (ret == 0)
 825                 return 0;
 826         if (rte_eth_dev_is_removed(port_id))
 827                 return -EIO;
 828         return ret;
 829 }
 830
 831 static int
 832 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 833 {
 834         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 835         void **rxq;
 836         unsigned i;
 837
 838         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 839                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 840                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 841                                 RTE_CACHE_LINE_SIZE);
 842                 if (dev->data->rx_queues == NULL) {
 843                         dev->data->nb_rx_queues = 0;
 844                         return -(ENOMEM);
 845                 }
 846         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 847                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 848
 849                 rxq = dev->data->rx_queues;
 850
 851                 for (i = nb_queues; i < old_nb_queues; i++)
 852                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 853                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 854                                 RTE_CACHE_LINE_SIZE);
 855                 if (rxq == NULL)
 856                         return -(ENOMEM);
 857                 if (nb_queues > old_nb_queues) {
 858                         uint16_t new_qs = nb_queues - old_nb_queues;
 859
 860                         memset(rxq + old_nb_queues, 0,
 861                                 sizeof(rxq[0]) * new_qs);
 862                 }
 863
 864                 dev->data->rx_queues = rxq;
 865
 866         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 867                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 868
 869                 rxq = dev->data->rx_queues;
 870
 871                 for (i = nb_queues; i < old_nb_queues; i++)
 872                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 873
 874                 rte_free(dev->data->rx_queues);
 875                 dev->data->rx_queues = NULL;
 876         }
 877         dev->data->nb_rx_queues = nb_queues;
 878         return 0;
 879 }
 880
 881 int
 882 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 883 {
 884         struct rte_eth_dev *dev;
 885
 886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 887
 888         dev = &rte_eth_devices[port_id];
 889         if (!dev->data->dev_started) {
 890                 RTE_ETHDEV_LOG(ERR,
 891                         "Port %u must be started before start any queue\n",
 892                         port_id);
 893                 return -EINVAL;
 894         }
 895
 896         if (rx_queue_id >= dev->data->nb_rx_queues) {
 897                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 898                 return -EINVAL;
 899         }
 900
 901         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 902
 903         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 904                 RTE_ETHDEV_LOG(INFO,
 905                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 906                         rx_queue_id, port_id);
 907                 return 0;
 908         }
 909
 910         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 911                                                              rx_queue_id));
 912
 913 }
 914
 915 int
 916 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 917 {
 918         struct rte_eth_dev *dev;
 919
 920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 921
 922         dev = &rte_eth_devices[port_id];
 923         if (rx_queue_id >= dev->data->nb_rx_queues) {
 924                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 925                 return -EINVAL;
 926         }
 927
 928         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 929
 930         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 931                 RTE_ETHDEV_LOG(INFO,
 932                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 933                         rx_queue_id, port_id);
 934                 return 0;
 935         }
 936
 937         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 938
 939 }
 940
 941 int
 942 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 943 {
 944         struct rte_eth_dev *dev;
 945
 946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 947
 948         dev = &rte_eth_devices[port_id];
 949         if (!dev->data->dev_started) {
 950                 RTE_ETHDEV_LOG(ERR,
 951                         "Port %u must be started before start any queue\n",
 952                         port_id);
 953                 return -EINVAL;
 954         }
 955
 956         if (tx_queue_id >= dev->data->nb_tx_queues) {
 957                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 958                 return -EINVAL;
 959         }
 960
 961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 962
 963         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 964                 RTE_ETHDEV_LOG(INFO,
 965                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 966                         tx_queue_id, port_id);
 967                 return 0;
 968         }
 969
 970         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 971 }
 972
 973 int
 974 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 975 {
 976         struct rte_eth_dev *dev;
 977
 978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 979
 980         dev = &rte_eth_devices[port_id];
 981         if (tx_queue_id >= dev->data->nb_tx_queues) {
 982                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 983                 return -EINVAL;
 984         }
 985
 986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 987
 988         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 989                 RTE_ETHDEV_LOG(INFO,
 990                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 991                         tx_queue_id, port_id);
 992                 return 0;
 993         }
 994
 995         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 996
 997 }
 998
 999 static int
1000 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1001 {
1002         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1003         void **txq;
1004         unsigned i;
1005
1006         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1007                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1008                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1009                                                    RTE_CACHE_LINE_SIZE);
1010                 if (dev->data->tx_queues == NULL) {
1011                         dev->data->nb_tx_queues = 0;
1012                         return -(ENOMEM);
1013                 }
1014         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1015                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1016
1017                 txq = dev->data->tx_queues;
1018
1019                 for (i = nb_queues; i < old_nb_queues; i++)
1020                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1021                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1022                                   RTE_CACHE_LINE_SIZE);
1023                 if (txq == NULL)
1024                         return -ENOMEM;
1025                 if (nb_queues > old_nb_queues) {
1026                         uint16_t new_qs = nb_queues - old_nb_queues;
1027
1028                         memset(txq + old_nb_queues, 0,
1029                                sizeof(txq[0]) * new_qs);
1030                 }
1031
1032                 dev->data->tx_queues = txq;
1033
1034         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1035                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1036
1037                 txq = dev->data->tx_queues;
1038
1039                 for (i = nb_queues; i < old_nb_queues; i++)
1040                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1041
1042                 rte_free(dev->data->tx_queues);
1043                 dev->data->tx_queues = NULL;
1044         }
1045         dev->data->nb_tx_queues = nb_queues;
1046         return 0;
1047 }
1048
1049 uint32_t
1050 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1051 {
1052         switch (speed) {
1053         case ETH_SPEED_NUM_10M:
1054                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1055         case ETH_SPEED_NUM_100M:
1056                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1057         case ETH_SPEED_NUM_1G:
1058                 return ETH_LINK_SPEED_1G;
1059         case ETH_SPEED_NUM_2_5G:
1060                 return ETH_LINK_SPEED_2_5G;
1061         case ETH_SPEED_NUM_5G:
1062                 return ETH_LINK_SPEED_5G;
1063         case ETH_SPEED_NUM_10G:
1064                 return ETH_LINK_SPEED_10G;
1065         case ETH_SPEED_NUM_20G:
1066                 return ETH_LINK_SPEED_20G;
1067         case ETH_SPEED_NUM_25G:
1068                 return ETH_LINK_SPEED_25G;
1069         case ETH_SPEED_NUM_40G:
1070                 return ETH_LINK_SPEED_40G;
1071         case ETH_SPEED_NUM_50G:
1072                 return ETH_LINK_SPEED_50G;
1073         case ETH_SPEED_NUM_56G:
1074                 return ETH_LINK_SPEED_56G;
1075         case ETH_SPEED_NUM_100G:
1076                 return ETH_LINK_SPEED_100G;
1077         default:
1078                 return 0;
1079         }
1080 }
1081
1082 const char *
1083 rte_eth_dev_rx_offload_name(uint64_t offload)
1084 {
1085         const char *name = "UNKNOWN";
1086         unsigned int i;
1087
1088         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1089                 if (offload == rte_rx_offload_names[i].offload) {
1090                         name = rte_rx_offload_names[i].name;
1091                         break;
1092                 }
1093         }
1094
1095         return name;
1096 }
1097
1098 const char *
1099 rte_eth_dev_tx_offload_name(uint64_t offload)
1100 {
1101         const char *name = "UNKNOWN";
1102         unsigned int i;
1103
1104         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1105                 if (offload == rte_tx_offload_names[i].offload) {
1106                         name = rte_tx_offload_names[i].name;
1107                         break;
1108                 }
1109         }
1110
1111         return name;
1112 }
1113
1114 int
1115 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1116                       const struct rte_eth_conf *dev_conf)
1117 {
1118         struct rte_eth_dev *dev;
1119         struct rte_eth_dev_info dev_info;
1120         struct rte_eth_conf orig_conf;
1121         int diag;
1122         int ret;
1123
1124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1125
1126         dev = &rte_eth_devices[port_id];
1127
1128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1129
1130         if (dev->data->dev_started) {
1131                 RTE_ETHDEV_LOG(ERR,
1132                         "Port %u must be stopped to allow configuration\n",
1133                         port_id);
1134                 return -EBUSY;
1135         }
1136
1137          /* Store original config, as rollback required on failure */
1138         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1139
1140         /*
1141          * Copy the dev_conf parameter into the dev structure.
1142          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1143          */
1144         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1145
1146         ret = rte_eth_dev_info_get(port_id, &dev_info);
1147         if (ret != 0)
1148                 goto rollback;
1149
1150         /* If number of queues specified by application for both Rx and Tx is
1151          * zero, use driver preferred values. This cannot be done individually
1152          * as it is valid for either Tx or Rx (but not both) to be zero.
1153          * If driver does not provide any preferred valued, fall back on
1154          * EAL defaults.
1155          */
1156         if (nb_rx_q == 0 && nb_tx_q == 0) {
1157                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1158                 if (nb_rx_q == 0)
1159                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1160                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1161                 if (nb_tx_q == 0)
1162                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1163         }
1164
1165         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1166                 RTE_ETHDEV_LOG(ERR,
1167                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1168                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1169                 ret = -EINVAL;
1170                 goto rollback;
1171         }
1172
1173         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1174                 RTE_ETHDEV_LOG(ERR,
1175                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1176                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1177                 ret = -EINVAL;
1178                 goto rollback;
1179         }
1180
1181         /*
1182          * Check that the numbers of RX and TX queues are not greater
1183          * than the maximum number of RX and TX queues supported by the
1184          * configured device.
1185          */
1186         if (nb_rx_q > dev_info.max_rx_queues) {
1187                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1188                         port_id, nb_rx_q, dev_info.max_rx_queues);
1189                 ret = -EINVAL;
1190                 goto rollback;
1191         }
1192
1193         if (nb_tx_q > dev_info.max_tx_queues) {
1194                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1195                         port_id, nb_tx_q, dev_info.max_tx_queues);
1196                 ret = -EINVAL;
1197                 goto rollback;
1198         }
1199
1200         /* Check that the device supports requested interrupts */
1201         if ((dev_conf->intr_conf.lsc == 1) &&
1202                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1203                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1204                         dev->device->driver->name);
1205                 ret = -EINVAL;
1206                 goto rollback;
1207         }
1208         if ((dev_conf->intr_conf.rmv == 1) &&
1209                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1210                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1211                         dev->device->driver->name);
1212                 ret = -EINVAL;
1213                 goto rollback;
1214         }
1215
1216         /*
1217          * If jumbo frames are enabled, check that the maximum RX packet
1218          * length is supported by the configured device.
1219          */
1220         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1221                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1222                         RTE_ETHDEV_LOG(ERR,
1223                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1224                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1225                                 dev_info.max_rx_pktlen);
1226                         ret = -EINVAL;
1227                         goto rollback;
1228                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1229                         RTE_ETHDEV_LOG(ERR,
1230                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1231                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1232                                 (unsigned int)RTE_ETHER_MIN_LEN);
1233                         ret = -EINVAL;
1234                         goto rollback;
1235                 }
1236         } else {
1237                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1238                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1239                         /* Use default value */
1240                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1241                                                         RTE_ETHER_MAX_LEN;
1242         }
1243
1244         /* Any requested offloading must be within its device capabilities */
1245         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1246              dev_conf->rxmode.offloads) {
1247                 RTE_ETHDEV_LOG(ERR,
1248                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1249                         "capabilities 0x%"PRIx64" in %s()\n",
1250                         port_id, dev_conf->rxmode.offloads,
1251                         dev_info.rx_offload_capa,
1252                         __func__);
1253                 ret = -EINVAL;
1254                 goto rollback;
1255         }
1256         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1257              dev_conf->txmode.offloads) {
1258                 RTE_ETHDEV_LOG(ERR,
1259                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1260                         "capabilities 0x%"PRIx64" in %s()\n",
1261                         port_id, dev_conf->txmode.offloads,
1262                         dev_info.tx_offload_capa,
1263                         __func__);
1264                 ret = -EINVAL;
1265                 goto rollback;
1266         }
1267
1268         /* Check that device supports requested rss hash functions. */
1269         if ((dev_info.flow_type_rss_offloads |
1270              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1271             dev_info.flow_type_rss_offloads) {
1272                 RTE_ETHDEV_LOG(ERR,
1273                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1274                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1275                         dev_info.flow_type_rss_offloads);
1276                 ret = -EINVAL;
1277                 goto rollback;
1278         }
1279
1280         /*
1281          * Setup new number of RX/TX queues and reconfigure device.
1282          */
1283         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1284         if (diag != 0) {
1285                 RTE_ETHDEV_LOG(ERR,
1286                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1287                         port_id, diag);
1288                 ret = diag;
1289                 goto rollback;
1290         }
1291
1292         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1293         if (diag != 0) {
1294                 RTE_ETHDEV_LOG(ERR,
1295                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1296                         port_id, diag);
1297                 rte_eth_dev_rx_queue_config(dev, 0);
1298                 ret = diag;
1299                 goto rollback;
1300         }
1301
1302         diag = (*dev->dev_ops->dev_configure)(dev);
1303         if (diag != 0) {
1304                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1305                         port_id, diag);
1306                 rte_eth_dev_rx_queue_config(dev, 0);
1307                 rte_eth_dev_tx_queue_config(dev, 0);
1308                 ret = eth_err(port_id, diag);
1309                 goto rollback;
1310         }
1311
1312         /* Initialize Rx profiling if enabled at compilation time. */
1313         diag = __rte_eth_dev_profile_init(port_id, dev);
1314         if (diag != 0) {
1315                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1316                         port_id, diag);
1317                 rte_eth_dev_rx_queue_config(dev, 0);
1318                 rte_eth_dev_tx_queue_config(dev, 0);
1319                 ret = eth_err(port_id, diag);
1320                 goto rollback;
1321         }
1322
1323         return 0;
1324
1325 rollback:
1326         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1327
1328         return ret;
1329 }
1330
1331 void
1332 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1333 {
1334         if (dev->data->dev_started) {
1335                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1336                         dev->data->port_id);
1337                 return;
1338         }
1339
1340         rte_eth_dev_rx_queue_config(dev, 0);
1341         rte_eth_dev_tx_queue_config(dev, 0);
1342
1343         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1344 }
1345
1346 static void
1347 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1348                         struct rte_eth_dev_info *dev_info)
1349 {
1350         struct rte_ether_addr *addr;
1351         uint16_t i;
1352         uint32_t pool = 0;
1353         uint64_t pool_mask;
1354
1355         /* replay MAC address configuration including default MAC */
1356         addr = &dev->data->mac_addrs[0];
1357         if (*dev->dev_ops->mac_addr_set != NULL)
1358                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1359         else if (*dev->dev_ops->mac_addr_add != NULL)
1360                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1361
1362         if (*dev->dev_ops->mac_addr_add != NULL) {
1363                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1364                         addr = &dev->data->mac_addrs[i];
1365
1366                         /* skip zero address */
1367                         if (rte_is_zero_ether_addr(addr))
1368                                 continue;
1369
1370                         pool = 0;
1371                         pool_mask = dev->data->mac_pool_sel[i];
1372
1373                         do {
1374                                 if (pool_mask & 1ULL)
1375                                         (*dev->dev_ops->mac_addr_add)(dev,
1376                                                 addr, i, pool);
1377                                 pool_mask >>= 1;
1378                                 pool++;
1379                         } while (pool_mask);
1380                 }
1381         }
1382 }
1383
1384 static void
1385 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1386                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1387 {
1388         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1389                 rte_eth_dev_mac_restore(dev, dev_info);
1390
1391         /* replay promiscuous configuration */
1392         if (rte_eth_promiscuous_get(port_id) == 1)
1393                 rte_eth_promiscuous_enable(port_id);
1394         else if (rte_eth_promiscuous_get(port_id) == 0)
1395                 rte_eth_promiscuous_disable(port_id);
1396
1397         /* replay all multicast configuration */
1398         if (rte_eth_allmulticast_get(port_id) == 1)
1399                 rte_eth_allmulticast_enable(port_id);
1400         else if (rte_eth_allmulticast_get(port_id) == 0)
1401                 rte_eth_allmulticast_disable(port_id);
1402 }
1403
1404 int
1405 rte_eth_dev_start(uint16_t port_id)
1406 {
1407         struct rte_eth_dev *dev;
1408         struct rte_eth_dev_info dev_info;
1409         int diag;
1410         int ret;
1411
1412         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1413
1414         dev = &rte_eth_devices[port_id];
1415
1416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1417
1418         if (dev->data->dev_started != 0) {
1419                 RTE_ETHDEV_LOG(INFO,
1420                         "Device with port_id=%"PRIu16" already started\n",
1421                         port_id);
1422                 return 0;
1423         }
1424
1425         ret = rte_eth_dev_info_get(port_id, &dev_info);
1426         if (ret != 0)
1427                 return ret;
1428
1429         /* Lets restore MAC now if device does not support live change */
1430         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1431                 rte_eth_dev_mac_restore(dev, &dev_info);
1432
1433         diag = (*dev->dev_ops->dev_start)(dev);
1434         if (diag == 0)
1435                 dev->data->dev_started = 1;
1436         else
1437                 return eth_err(port_id, diag);
1438
1439         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1440
1441         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1442                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1443                 (*dev->dev_ops->link_update)(dev, 0);
1444         }
1445         return 0;
1446 }
1447
1448 void
1449 rte_eth_dev_stop(uint16_t port_id)
1450 {
1451         struct rte_eth_dev *dev;
1452
1453         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1454         dev = &rte_eth_devices[port_id];
1455
1456         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1457
1458         if (dev->data->dev_started == 0) {
1459                 RTE_ETHDEV_LOG(INFO,
1460                         "Device with port_id=%"PRIu16" already stopped\n",
1461                         port_id);
1462                 return;
1463         }
1464
1465         dev->data->dev_started = 0;
1466         (*dev->dev_ops->dev_stop)(dev);
1467 }
1468
1469 int
1470 rte_eth_dev_set_link_up(uint16_t port_id)
1471 {
1472         struct rte_eth_dev *dev;
1473
1474         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1475
1476         dev = &rte_eth_devices[port_id];
1477
1478         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1479         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1480 }
1481
1482 int
1483 rte_eth_dev_set_link_down(uint16_t port_id)
1484 {
1485         struct rte_eth_dev *dev;
1486
1487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1488
1489         dev = &rte_eth_devices[port_id];
1490
1491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1492         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1493 }
1494
1495 void
1496 rte_eth_dev_close(uint16_t port_id)
1497 {
1498         struct rte_eth_dev *dev;
1499
1500         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1501         dev = &rte_eth_devices[port_id];
1502
1503         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1504         dev->data->dev_started = 0;
1505         (*dev->dev_ops->dev_close)(dev);
1506
1507         /* check behaviour flag - temporary for PMD migration */
1508         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1509                 /* new behaviour: send event + reset state + free all data */
1510                 rte_eth_dev_release_port(dev);
1511                 return;
1512         }
1513         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1514                         "The driver %s should migrate to the new behaviour.\n",
1515                         dev->device->driver->name);
1516         /* old behaviour: only free queue arrays */
1517         dev->data->nb_rx_queues = 0;
1518         rte_free(dev->data->rx_queues);
1519         dev->data->rx_queues = NULL;
1520         dev->data->nb_tx_queues = 0;
1521         rte_free(dev->data->tx_queues);
1522         dev->data->tx_queues = NULL;
1523 }
1524
1525 int
1526 rte_eth_dev_reset(uint16_t port_id)
1527 {
1528         struct rte_eth_dev *dev;
1529         int ret;
1530
1531         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1532         dev = &rte_eth_devices[port_id];
1533
1534         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1535
1536         rte_eth_dev_stop(port_id);
1537         ret = dev->dev_ops->dev_reset(dev);
1538
1539         return eth_err(port_id, ret);
1540 }
1541
1542 int
1543 rte_eth_dev_is_removed(uint16_t port_id)
1544 {
1545         struct rte_eth_dev *dev;
1546         int ret;
1547
1548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1549
1550         dev = &rte_eth_devices[port_id];
1551
1552         if (dev->state == RTE_ETH_DEV_REMOVED)
1553                 return 1;
1554
1555         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1556
1557         ret = dev->dev_ops->is_removed(dev);
1558         if (ret != 0)
1559                 /* Device is physically removed. */
1560                 dev->state = RTE_ETH_DEV_REMOVED;
1561
1562         return ret;
1563 }
1564
1565 int
1566 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1567                        uint16_t nb_rx_desc, unsigned int socket_id,
1568                        const struct rte_eth_rxconf *rx_conf,
1569                        struct rte_mempool *mp)
1570 {
1571         int ret;
1572         uint32_t mbp_buf_size;
1573         struct rte_eth_dev *dev;
1574         struct rte_eth_dev_info dev_info;
1575         struct rte_eth_rxconf local_conf;
1576         void **rxq;
1577
1578         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1579
1580         dev = &rte_eth_devices[port_id];
1581         if (rx_queue_id >= dev->data->nb_rx_queues) {
1582                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1583                 return -EINVAL;
1584         }
1585
1586         if (mp == NULL) {
1587                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1588                 return -EINVAL;
1589         }
1590
1591         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1592
1593         /*
1594          * Check the size of the mbuf data buffer.
1595          * This value must be provided in the private data of the memory pool.
1596          * First check that the memory pool has a valid private data.
1597          */
1598         ret = rte_eth_dev_info_get(port_id, &dev_info);
1599         if (ret != 0)
1600                 return ret;
1601
1602         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1603                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1604                         mp->name, (int)mp->private_data_size,
1605                         (int)sizeof(struct rte_pktmbuf_pool_private));
1606                 return -ENOSPC;
1607         }
1608         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1609
1610         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1611                 RTE_ETHDEV_LOG(ERR,
1612                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1613                         mp->name, (int)mbp_buf_size,
1614                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1615                         (int)RTE_PKTMBUF_HEADROOM,
1616                         (int)dev_info.min_rx_bufsize);
1617                 return -EINVAL;
1618         }
1619
1620         /* Use default specified by driver, if nb_rx_desc is zero */
1621         if (nb_rx_desc == 0) {
1622                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1623                 /* If driver default is also zero, fall back on EAL default */
1624                 if (nb_rx_desc == 0)
1625                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1626         }
1627
1628         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1629                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1630                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1631
1632                 RTE_ETHDEV_LOG(ERR,
1633                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1634                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1635                         dev_info.rx_desc_lim.nb_min,
1636                         dev_info.rx_desc_lim.nb_align);
1637                 return -EINVAL;
1638         }
1639
1640         if (dev->data->dev_started &&
1641                 !(dev_info.dev_capa &
1642                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1643                 return -EBUSY;
1644
1645         if (dev->data->dev_started &&
1646                 (dev->data->rx_queue_state[rx_queue_id] !=
1647                         RTE_ETH_QUEUE_STATE_STOPPED))
1648                 return -EBUSY;
1649
1650         rxq = dev->data->rx_queues;
1651         if (rxq[rx_queue_id]) {
1652                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1653                                         -ENOTSUP);
1654                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1655                 rxq[rx_queue_id] = NULL;
1656         }
1657
1658         if (rx_conf == NULL)
1659                 rx_conf = &dev_info.default_rxconf;
1660
1661         local_conf = *rx_conf;
1662
1663         /*
1664          * If an offloading has already been enabled in
1665          * rte_eth_dev_configure(), it has been enabled on all queues,
1666          * so there is no need to enable it in this queue again.
1667          * The local_conf.offloads input to underlying PMD only carries
1668          * those offloadings which are only enabled on this queue and
1669          * not enabled on all queues.
1670          */
1671         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1672
1673         /*
1674          * New added offloadings for this queue are those not enabled in
1675          * rte_eth_dev_configure() and they must be per-queue type.
1676          * A pure per-port offloading can't be enabled on a queue while
1677          * disabled on another queue. A pure per-port offloading can't
1678          * be enabled for any queue as new added one if it hasn't been
1679          * enabled in rte_eth_dev_configure().
1680          */
1681         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1682              local_conf.offloads) {
1683                 RTE_ETHDEV_LOG(ERR,
1684                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1685                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1686                         port_id, rx_queue_id, local_conf.offloads,
1687                         dev_info.rx_queue_offload_capa,
1688                         __func__);
1689                 return -EINVAL;
1690         }
1691
1692         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1693                                               socket_id, &local_conf, mp);
1694         if (!ret) {
1695                 if (!dev->data->min_rx_buf_size ||
1696                     dev->data->min_rx_buf_size > mbp_buf_size)
1697                         dev->data->min_rx_buf_size = mbp_buf_size;
1698         }
1699
1700         return eth_err(port_id, ret);
1701 }
1702
1703 int
1704 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1705                        uint16_t nb_tx_desc, unsigned int socket_id,
1706                        const struct rte_eth_txconf *tx_conf)
1707 {
1708         struct rte_eth_dev *dev;
1709         struct rte_eth_dev_info dev_info;
1710         struct rte_eth_txconf local_conf;
1711         void **txq;
1712         int ret;
1713
1714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1715
1716         dev = &rte_eth_devices[port_id];
1717         if (tx_queue_id >= dev->data->nb_tx_queues) {
1718                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1719                 return -EINVAL;
1720         }
1721
1722         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1723
1724         ret = rte_eth_dev_info_get(port_id, &dev_info);
1725         if (ret != 0)
1726                 return ret;
1727
1728         /* Use default specified by driver, if nb_tx_desc is zero */
1729         if (nb_tx_desc == 0) {
1730                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1731                 /* If driver default is zero, fall back on EAL default */
1732                 if (nb_tx_desc == 0)
1733                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1734         }
1735         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1736             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1737             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1738                 RTE_ETHDEV_LOG(ERR,
1739                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1740                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1741                         dev_info.tx_desc_lim.nb_min,
1742                         dev_info.tx_desc_lim.nb_align);
1743                 return -EINVAL;
1744         }
1745
1746         if (dev->data->dev_started &&
1747                 !(dev_info.dev_capa &
1748                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1749                 return -EBUSY;
1750
1751         if (dev->data->dev_started &&
1752                 (dev->data->tx_queue_state[tx_queue_id] !=
1753                         RTE_ETH_QUEUE_STATE_STOPPED))
1754                 return -EBUSY;
1755
1756         txq = dev->data->tx_queues;
1757         if (txq[tx_queue_id]) {
1758                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1759                                         -ENOTSUP);
1760                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1761                 txq[tx_queue_id] = NULL;
1762         }
1763
1764         if (tx_conf == NULL)
1765                 tx_conf = &dev_info.default_txconf;
1766
1767         local_conf = *tx_conf;
1768
1769         /*
1770          * If an offloading has already been enabled in
1771          * rte_eth_dev_configure(), it has been enabled on all queues,
1772          * so there is no need to enable it in this queue again.
1773          * The local_conf.offloads input to underlying PMD only carries
1774          * those offloadings which are only enabled on this queue and
1775          * not enabled on all queues.
1776          */
1777         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1778
1779         /*
1780          * New added offloadings for this queue are those not enabled in
1781          * rte_eth_dev_configure() and they must be per-queue type.
1782          * A pure per-port offloading can't be enabled on a queue while
1783          * disabled on another queue. A pure per-port offloading can't
1784          * be enabled for any queue as new added one if it hasn't been
1785          * enabled in rte_eth_dev_configure().
1786          */
1787         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1788              local_conf.offloads) {
1789                 RTE_ETHDEV_LOG(ERR,
1790                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1791                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1792                         port_id, tx_queue_id, local_conf.offloads,
1793                         dev_info.tx_queue_offload_capa,
1794                         __func__);
1795                 return -EINVAL;
1796         }
1797
1798         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1799                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1800 }
1801
1802 void
1803 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1804                 void *userdata __rte_unused)
1805 {
1806         unsigned i;
1807
1808         for (i = 0; i < unsent; i++)
1809                 rte_pktmbuf_free(pkts[i]);
1810 }
1811
1812 void
1813 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1814                 void *userdata)
1815 {
1816         uint64_t *count = userdata;
1817         unsigned i;
1818
1819         for (i = 0; i < unsent; i++)
1820                 rte_pktmbuf_free(pkts[i]);
1821
1822         *count += unsent;
1823 }
1824
1825 int
1826 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1827                 buffer_tx_error_fn cbfn, void *userdata)
1828 {
1829         buffer->error_callback = cbfn;
1830         buffer->error_userdata = userdata;
1831         return 0;
1832 }
1833
1834 int
1835 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1836 {
1837         int ret = 0;
1838
1839         if (buffer == NULL)
1840                 return -EINVAL;
1841
1842         buffer->size = size;
1843         if (buffer->error_callback == NULL) {
1844                 ret = rte_eth_tx_buffer_set_err_callback(
1845                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1846         }
1847
1848         return ret;
1849 }
1850
1851 int
1852 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1853 {
1854         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1855         int ret;
1856
1857         /* Validate Input Data. Bail if not valid or not supported. */
1858         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1859         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1860
1861         /* Call driver to free pending mbufs. */
1862         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1863                                                free_cnt);
1864         return eth_err(port_id, ret);
1865 }
1866
1867 void
1868 rte_eth_promiscuous_enable(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_enable);
1876         (*dev->dev_ops->promiscuous_enable)(dev);
1877         dev->data->promiscuous = 1;
1878 }
1879
1880 void
1881 rte_eth_promiscuous_disable(uint16_t port_id)
1882 {
1883         struct rte_eth_dev *dev;
1884
1885         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1886         dev = &rte_eth_devices[port_id];
1887
1888         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1889         dev->data->promiscuous = 0;
1890         (*dev->dev_ops->promiscuous_disable)(dev);
1891 }
1892
1893 int
1894 rte_eth_promiscuous_get(uint16_t port_id)
1895 {
1896         struct rte_eth_dev *dev;
1897
1898         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1899
1900         dev = &rte_eth_devices[port_id];
1901         return dev->data->promiscuous;
1902 }
1903
1904 void
1905 rte_eth_allmulticast_enable(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_enable);
1913         (*dev->dev_ops->allmulticast_enable)(dev);
1914         dev->data->all_multicast = 1;
1915 }
1916
1917 void
1918 rte_eth_allmulticast_disable(uint16_t port_id)
1919 {
1920         struct rte_eth_dev *dev;
1921
1922         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1923         dev = &rte_eth_devices[port_id];
1924
1925         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1926         dev->data->all_multicast = 0;
1927         (*dev->dev_ops->allmulticast_disable)(dev);
1928 }
1929
1930 int
1931 rte_eth_allmulticast_get(uint16_t port_id)
1932 {
1933         struct rte_eth_dev *dev;
1934
1935         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1936
1937         dev = &rte_eth_devices[port_id];
1938         return dev->data->all_multicast;
1939 }
1940
1941 void
1942 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1943 {
1944         struct rte_eth_dev *dev;
1945
1946         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1947         dev = &rte_eth_devices[port_id];
1948
1949         if (dev->data->dev_conf.intr_conf.lsc &&
1950             dev->data->dev_started)
1951                 rte_eth_linkstatus_get(dev, eth_link);
1952         else {
1953                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1954                 (*dev->dev_ops->link_update)(dev, 1);
1955                 *eth_link = dev->data->dev_link;
1956         }
1957 }
1958
1959 void
1960 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1961 {
1962         struct rte_eth_dev *dev;
1963
1964         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1965         dev = &rte_eth_devices[port_id];
1966
1967         if (dev->data->dev_conf.intr_conf.lsc &&
1968             dev->data->dev_started)
1969                 rte_eth_linkstatus_get(dev, eth_link);
1970         else {
1971                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1972                 (*dev->dev_ops->link_update)(dev, 0);
1973                 *eth_link = dev->data->dev_link;
1974         }
1975 }
1976
1977 int
1978 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1979 {
1980         struct rte_eth_dev *dev;
1981
1982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1983
1984         dev = &rte_eth_devices[port_id];
1985         memset(stats, 0, sizeof(*stats));
1986
1987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1988         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1989         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1990 }
1991
1992 int
1993 rte_eth_stats_reset(uint16_t port_id)
1994 {
1995         struct rte_eth_dev *dev;
1996
1997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1998         dev = &rte_eth_devices[port_id];
1999
2000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2001         (*dev->dev_ops->stats_reset)(dev);
2002         dev->data->rx_mbuf_alloc_failed = 0;
2003
2004         return 0;
2005 }
2006
2007 static inline int
2008 get_xstats_basic_count(struct rte_eth_dev *dev)
2009 {
2010         uint16_t nb_rxqs, nb_txqs;
2011         int count;
2012
2013         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2014         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2015
2016         count = RTE_NB_STATS;
2017         count += nb_rxqs * RTE_NB_RXQ_STATS;
2018         count += nb_txqs * RTE_NB_TXQ_STATS;
2019
2020         return count;
2021 }
2022
2023 static int
2024 get_xstats_count(uint16_t port_id)
2025 {
2026         struct rte_eth_dev *dev;
2027         int count;
2028
2029         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2030         dev = &rte_eth_devices[port_id];
2031         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2032                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2033                                 NULL, 0);
2034                 if (count < 0)
2035                         return eth_err(port_id, count);
2036         }
2037         if (dev->dev_ops->xstats_get_names != NULL) {
2038                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2039                 if (count < 0)
2040                         return eth_err(port_id, count);
2041         } else
2042                 count = 0;
2043
2044
2045         count += get_xstats_basic_count(dev);
2046
2047         return count;
2048 }
2049
2050 int
2051 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2052                 uint64_t *id)
2053 {
2054         int cnt_xstats, idx_xstat;
2055
2056         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2057
2058         if (!id) {
2059                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2060                 return -ENOMEM;
2061         }
2062
2063         if (!xstat_name) {
2064                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2065                 return -ENOMEM;
2066         }
2067
2068         /* Get count */
2069         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2070         if (cnt_xstats  < 0) {
2071                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2072                 return -ENODEV;
2073         }
2074
2075         /* Get id-name lookup table */
2076         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2077
2078         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2079                         port_id, xstats_names, cnt_xstats, NULL)) {
2080                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2081                 return -1;
2082         }
2083
2084         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2085                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2086                         *id = idx_xstat;
2087                         return 0;
2088                 };
2089         }
2090
2091         return -EINVAL;
2092 }
2093
2094 /* retrieve basic stats names */
2095 static int
2096 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2097         struct rte_eth_xstat_name *xstats_names)
2098 {
2099         int cnt_used_entries = 0;
2100         uint32_t idx, id_queue;
2101         uint16_t num_q;
2102
2103         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2104                 strlcpy(xstats_names[cnt_used_entries].name,
2105                         rte_stats_strings[idx].name,
2106                         sizeof(xstats_names[0].name));
2107                 cnt_used_entries++;
2108         }
2109         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2110         for (id_queue = 0; id_queue < num_q; id_queue++) {
2111                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2112                         snprintf(xstats_names[cnt_used_entries].name,
2113                                 sizeof(xstats_names[0].name),
2114                                 "rx_q%u%s",
2115                                 id_queue, rte_rxq_stats_strings[idx].name);
2116                         cnt_used_entries++;
2117                 }
2118
2119         }
2120         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2121         for (id_queue = 0; id_queue < num_q; id_queue++) {
2122                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2123                         snprintf(xstats_names[cnt_used_entries].name,
2124                                 sizeof(xstats_names[0].name),
2125                                 "tx_q%u%s",
2126                                 id_queue, rte_txq_stats_strings[idx].name);
2127                         cnt_used_entries++;
2128                 }
2129         }
2130         return cnt_used_entries;
2131 }
2132
2133 /* retrieve ethdev extended statistics names */
2134 int
2135 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2136         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2137         uint64_t *ids)
2138 {
2139         struct rte_eth_xstat_name *xstats_names_copy;
2140         unsigned int no_basic_stat_requested = 1;
2141         unsigned int no_ext_stat_requested = 1;
2142         unsigned int expected_entries;
2143         unsigned int basic_count;
2144         struct rte_eth_dev *dev;
2145         unsigned int i;
2146         int ret;
2147
2148         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2149         dev = &rte_eth_devices[port_id];
2150
2151         basic_count = get_xstats_basic_count(dev);
2152         ret = get_xstats_count(port_id);
2153         if (ret < 0)
2154                 return ret;
2155         expected_entries = (unsigned int)ret;
2156
2157         /* Return max number of stats if no ids given */
2158         if (!ids) {
2159                 if (!xstats_names)
2160                         return expected_entries;
2161                 else if (xstats_names && size < expected_entries)
2162                         return expected_entries;
2163         }
2164
2165         if (ids && !xstats_names)
2166                 return -EINVAL;
2167
2168         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2169                 uint64_t ids_copy[size];
2170
2171                 for (i = 0; i < size; i++) {
2172                         if (ids[i] < basic_count) {
2173                                 no_basic_stat_requested = 0;
2174                                 break;
2175                         }
2176
2177                         /*
2178                          * Convert ids to xstats ids that PMD knows.
2179                          * ids known by user are basic + extended stats.
2180                          */
2181                         ids_copy[i] = ids[i] - basic_count;
2182                 }
2183
2184                 if (no_basic_stat_requested)
2185                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2186                                         xstats_names, ids_copy, size);
2187         }
2188
2189         /* Retrieve all stats */
2190         if (!ids) {
2191                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2192                                 expected_entries);
2193                 if (num_stats < 0 || num_stats > (int)expected_entries)
2194                         return num_stats;
2195                 else
2196                         return expected_entries;
2197         }
2198
2199         xstats_names_copy = calloc(expected_entries,
2200                 sizeof(struct rte_eth_xstat_name));
2201
2202         if (!xstats_names_copy) {
2203                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2204                 return -ENOMEM;
2205         }
2206
2207         if (ids) {
2208                 for (i = 0; i < size; i++) {
2209                         if (ids[i] >= basic_count) {
2210                                 no_ext_stat_requested = 0;
2211                                 break;
2212                         }
2213                 }
2214         }
2215
2216         /* Fill xstats_names_copy structure */
2217         if (ids && no_ext_stat_requested) {
2218                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2219         } else {
2220                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2221                         expected_entries);
2222                 if (ret < 0) {
2223                         free(xstats_names_copy);
2224                         return ret;
2225                 }
2226         }
2227
2228         /* Filter stats */
2229         for (i = 0; i < size; i++) {
2230                 if (ids[i] >= expected_entries) {
2231                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2232                         free(xstats_names_copy);
2233                         return -1;
2234                 }
2235                 xstats_names[i] = xstats_names_copy[ids[i]];
2236         }
2237
2238         free(xstats_names_copy);
2239         return size;
2240 }
2241
2242 int
2243 rte_eth_xstats_get_names(uint16_t port_id,
2244         struct rte_eth_xstat_name *xstats_names,
2245         unsigned int size)
2246 {
2247         struct rte_eth_dev *dev;
2248         int cnt_used_entries;
2249         int cnt_expected_entries;
2250         int cnt_driver_entries;
2251
2252         cnt_expected_entries = get_xstats_count(port_id);
2253         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2254                         (int)size < cnt_expected_entries)
2255                 return cnt_expected_entries;
2256
2257         /* port_id checked in get_xstats_count() */
2258         dev = &rte_eth_devices[port_id];
2259
2260         cnt_used_entries = rte_eth_basic_stats_get_names(
2261                 dev, xstats_names);
2262
2263         if (dev->dev_ops->xstats_get_names != NULL) {
2264                 /* If there are any driver-specific xstats, append them
2265                  * to end of list.
2266                  */
2267                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2268                         dev,
2269                         xstats_names + cnt_used_entries,
2270                         size - cnt_used_entries);
2271                 if (cnt_driver_entries < 0)
2272                         return eth_err(port_id, cnt_driver_entries);
2273                 cnt_used_entries += cnt_driver_entries;
2274         }
2275
2276         return cnt_used_entries;
2277 }
2278
2279
2280 static int
2281 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2282 {
2283         struct rte_eth_dev *dev;
2284         struct rte_eth_stats eth_stats;
2285         unsigned int count = 0, i, q;
2286         uint64_t val, *stats_ptr;
2287         uint16_t nb_rxqs, nb_txqs;
2288         int ret;
2289
2290         ret = rte_eth_stats_get(port_id, &eth_stats);
2291         if (ret < 0)
2292                 return ret;
2293
2294         dev = &rte_eth_devices[port_id];
2295
2296         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2297         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2298
2299         /* global stats */
2300         for (i = 0; i < RTE_NB_STATS; i++) {
2301                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2302                                         rte_stats_strings[i].offset);
2303                 val = *stats_ptr;
2304                 xstats[count++].value = val;
2305         }
2306
2307         /* per-rxq stats */
2308         for (q = 0; q < nb_rxqs; q++) {
2309                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2310                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2311                                         rte_rxq_stats_strings[i].offset +
2312                                         q * sizeof(uint64_t));
2313                         val = *stats_ptr;
2314                         xstats[count++].value = val;
2315                 }
2316         }
2317
2318         /* per-txq stats */
2319         for (q = 0; q < nb_txqs; q++) {
2320                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2321                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2322                                         rte_txq_stats_strings[i].offset +
2323                                         q * sizeof(uint64_t));
2324                         val = *stats_ptr;
2325                         xstats[count++].value = val;
2326                 }
2327         }
2328         return count;
2329 }
2330
2331 /* retrieve ethdev extended statistics */
2332 int
2333 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2334                          uint64_t *values, unsigned int size)
2335 {
2336         unsigned int no_basic_stat_requested = 1;
2337         unsigned int no_ext_stat_requested = 1;
2338         unsigned int num_xstats_filled;
2339         unsigned int basic_count;
2340         uint16_t expected_entries;
2341         struct rte_eth_dev *dev;
2342         unsigned int i;
2343         int ret;
2344
2345         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2346         ret = get_xstats_count(port_id);
2347         if (ret < 0)
2348                 return ret;
2349         expected_entries = (uint16_t)ret;
2350         struct rte_eth_xstat xstats[expected_entries];
2351         dev = &rte_eth_devices[port_id];
2352         basic_count = get_xstats_basic_count(dev);
2353
2354         /* Return max number of stats if no ids given */
2355         if (!ids) {
2356                 if (!values)
2357                         return expected_entries;
2358                 else if (values && size < expected_entries)
2359                         return expected_entries;
2360         }
2361
2362         if (ids && !values)
2363                 return -EINVAL;
2364
2365         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2366                 unsigned int basic_count = get_xstats_basic_count(dev);
2367                 uint64_t ids_copy[size];
2368
2369                 for (i = 0; i < size; i++) {
2370                         if (ids[i] < basic_count) {
2371                                 no_basic_stat_requested = 0;
2372                                 break;
2373                         }
2374
2375                         /*
2376                          * Convert ids to xstats ids that PMD knows.
2377                          * ids known by user are basic + extended stats.
2378                          */
2379                         ids_copy[i] = ids[i] - basic_count;
2380                 }
2381
2382                 if (no_basic_stat_requested)
2383                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2384                                         values, size);
2385         }
2386
2387         if (ids) {
2388                 for (i = 0; i < size; i++) {
2389                         if (ids[i] >= basic_count) {
2390                                 no_ext_stat_requested = 0;
2391                                 break;
2392                         }
2393                 }
2394         }
2395
2396         /* Fill the xstats structure */
2397         if (ids && no_ext_stat_requested)
2398                 ret = rte_eth_basic_stats_get(port_id, xstats);
2399         else
2400                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2401
2402         if (ret < 0)
2403                 return ret;
2404         num_xstats_filled = (unsigned int)ret;
2405
2406         /* Return all stats */
2407         if (!ids) {
2408                 for (i = 0; i < num_xstats_filled; i++)
2409                         values[i] = xstats[i].value;
2410                 return expected_entries;
2411         }
2412
2413         /* Filter stats */
2414         for (i = 0; i < size; i++) {
2415                 if (ids[i] >= expected_entries) {
2416                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2417                         return -1;
2418                 }
2419                 values[i] = xstats[ids[i]].value;
2420         }
2421         return size;
2422 }
2423
2424 int
2425 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2426         unsigned int n)
2427 {
2428         struct rte_eth_dev *dev;
2429         unsigned int count = 0, i;
2430         signed int xcount = 0;
2431         uint16_t nb_rxqs, nb_txqs;
2432         int ret;
2433
2434         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2435
2436         dev = &rte_eth_devices[port_id];
2437
2438         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2439         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2440
2441         /* Return generic statistics */
2442         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2443                 (nb_txqs * RTE_NB_TXQ_STATS);
2444
2445         /* implemented by the driver */
2446         if (dev->dev_ops->xstats_get != NULL) {
2447                 /* Retrieve the xstats from the driver at the end of the
2448                  * xstats struct.
2449                  */
2450                 xcount = (*dev->dev_ops->xstats_get)(dev,
2451                                      xstats ? xstats + count : NULL,
2452                                      (n > count) ? n - count : 0);
2453
2454                 if (xcount < 0)
2455                         return eth_err(port_id, xcount);
2456         }
2457
2458         if (n < count + xcount || xstats == NULL)
2459                 return count + xcount;
2460
2461         /* now fill the xstats structure */
2462         ret = rte_eth_basic_stats_get(port_id, xstats);
2463         if (ret < 0)
2464                 return ret;
2465         count = ret;
2466
2467         for (i = 0; i < count; i++)
2468                 xstats[i].id = i;
2469         /* add an offset to driver-specific stats */
2470         for ( ; i < count + xcount; i++)
2471                 xstats[i].id += count;
2472
2473         return count + xcount;
2474 }
2475
2476 /* reset ethdev extended statistics */
2477 void
2478 rte_eth_xstats_reset(uint16_t port_id)
2479 {
2480         struct rte_eth_dev *dev;
2481
2482         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2483         dev = &rte_eth_devices[port_id];
2484
2485         /* implemented by the driver */
2486         if (dev->dev_ops->xstats_reset != NULL) {
2487                 (*dev->dev_ops->xstats_reset)(dev);
2488                 return;
2489         }
2490
2491         /* fallback to default */
2492         rte_eth_stats_reset(port_id);
2493 }
2494
2495 static int
2496 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2497                 uint8_t is_rx)
2498 {
2499         struct rte_eth_dev *dev;
2500
2501         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2502
2503         dev = &rte_eth_devices[port_id];
2504
2505         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2506
2507         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2508                 return -EINVAL;
2509
2510         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2511                 return -EINVAL;
2512
2513         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2514                 return -EINVAL;
2515
2516         return (*dev->dev_ops->queue_stats_mapping_set)
2517                         (dev, queue_id, stat_idx, is_rx);
2518 }
2519
2520
2521 int
2522 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2523                 uint8_t stat_idx)
2524 {
2525         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2526                                                 stat_idx, STAT_QMAP_TX));
2527 }
2528
2529
2530 int
2531 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2532                 uint8_t stat_idx)
2533 {
2534         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2535                                                 stat_idx, STAT_QMAP_RX));
2536 }
2537
2538 int
2539 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2540 {
2541         struct rte_eth_dev *dev;
2542
2543         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2544         dev = &rte_eth_devices[port_id];
2545
2546         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2547         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2548                                                         fw_version, fw_size));
2549 }
2550
2551 int
2552 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2553 {
2554         struct rte_eth_dev *dev;
2555         const struct rte_eth_desc_lim lim = {
2556                 .nb_max = UINT16_MAX,
2557                 .nb_min = 0,
2558                 .nb_align = 1,
2559                 .nb_seg_max = UINT16_MAX,
2560                 .nb_mtu_seg_max = UINT16_MAX,
2561         };
2562
2563         /*
2564          * Init dev_info before port_id check since caller does not have
2565          * return status and does not know if get is successful or not.
2566          */
2567         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2568
2569         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2570         dev = &rte_eth_devices[port_id];
2571
2572         dev_info->rx_desc_lim = lim;
2573         dev_info->tx_desc_lim = lim;
2574         dev_info->device = dev->device;
2575         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2576         dev_info->max_mtu = UINT16_MAX;
2577
2578         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2579         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2580         dev_info->driver_name = dev->device->driver->name;
2581         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2582         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2583
2584         dev_info->dev_flags = &dev->data->dev_flags;
2585
2586         return 0;
2587 }
2588
2589 int
2590 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2591                                  uint32_t *ptypes, int num)
2592 {
2593         int i, j;
2594         struct rte_eth_dev *dev;
2595         const uint32_t *all_ptypes;
2596
2597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2598         dev = &rte_eth_devices[port_id];
2599         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2600         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2601
2602         if (!all_ptypes)
2603                 return 0;
2604
2605         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2606                 if (all_ptypes[i] & ptype_mask) {
2607                         if (j < num)
2608                                 ptypes[j] = all_ptypes[i];
2609                         j++;
2610                 }
2611
2612         return j;
2613 }
2614
2615 void
2616 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2617 {
2618         struct rte_eth_dev *dev;
2619
2620         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2621         dev = &rte_eth_devices[port_id];
2622         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2623 }
2624
2625
2626 int
2627 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2628 {
2629         struct rte_eth_dev *dev;
2630
2631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2632
2633         dev = &rte_eth_devices[port_id];
2634         *mtu = dev->data->mtu;
2635         return 0;
2636 }
2637
2638 int
2639 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2640 {
2641         int ret;
2642         struct rte_eth_dev_info dev_info;
2643         struct rte_eth_dev *dev;
2644
2645         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2646         dev = &rte_eth_devices[port_id];
2647         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2648
2649         /*
2650          * Check if the device supports dev_infos_get, if it does not
2651          * skip min_mtu/max_mtu validation here as this requires values
2652          * that are populated within the call to rte_eth_dev_info_get()
2653          * which relies on dev->dev_ops->dev_infos_get.
2654          */
2655         if (*dev->dev_ops->dev_infos_get != NULL) {
2656                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2657                 if (ret != 0)
2658                         return ret;
2659
2660                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2661                         return -EINVAL;
2662         }
2663
2664         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2665         if (!ret)
2666                 dev->data->mtu = mtu;
2667
2668         return eth_err(port_id, ret);
2669 }
2670
2671 int
2672 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2673 {
2674         struct rte_eth_dev *dev;
2675         int ret;
2676
2677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2678         dev = &rte_eth_devices[port_id];
2679         if (!(dev->data->dev_conf.rxmode.offloads &
2680               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2681                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2682                         port_id);
2683                 return -ENOSYS;
2684         }
2685
2686         if (vlan_id > 4095) {
2687                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2688                         port_id, vlan_id);
2689                 return -EINVAL;
2690         }
2691         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2692
2693         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2694         if (ret == 0) {
2695                 struct rte_vlan_filter_conf *vfc;
2696                 int vidx;
2697                 int vbit;
2698
2699                 vfc = &dev->data->vlan_filter_conf;
2700                 vidx = vlan_id / 64;
2701                 vbit = vlan_id % 64;
2702
2703                 if (on)
2704                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2705                 else
2706                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2707         }
2708
2709         return eth_err(port_id, ret);
2710 }
2711
2712 int
2713 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2714                                     int on)
2715 {
2716         struct rte_eth_dev *dev;
2717
2718         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2719         dev = &rte_eth_devices[port_id];
2720         if (rx_queue_id >= dev->data->nb_rx_queues) {
2721                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2722                 return -EINVAL;
2723         }
2724
2725         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2726         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2727
2728         return 0;
2729 }
2730
2731 int
2732 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2733                                 enum rte_vlan_type vlan_type,
2734                                 uint16_t tpid)
2735 {
2736         struct rte_eth_dev *dev;
2737
2738         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2739         dev = &rte_eth_devices[port_id];
2740         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2741
2742         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2743                                                                tpid));
2744 }
2745
2746 int
2747 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2748 {
2749         struct rte_eth_dev *dev;
2750         int ret = 0;
2751         int mask = 0;
2752         int cur, org = 0;
2753         uint64_t orig_offloads;
2754         uint64_t *dev_offloads;
2755
2756         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2757         dev = &rte_eth_devices[port_id];
2758
2759         /* save original values in case of failure */
2760         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2761         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2762
2763         /*check which option changed by application*/
2764         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2765         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2766         if (cur != org) {
2767                 if (cur)
2768                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2769                 else
2770                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2771                 mask |= ETH_VLAN_STRIP_MASK;
2772         }
2773
2774         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2775         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2776         if (cur != org) {
2777                 if (cur)
2778                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2779                 else
2780                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2781                 mask |= ETH_VLAN_FILTER_MASK;
2782         }
2783
2784         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2785         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2786         if (cur != org) {
2787                 if (cur)
2788                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2789                 else
2790                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2791                 mask |= ETH_VLAN_EXTEND_MASK;
2792         }
2793
2794         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2795         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2796         if (cur != org) {
2797                 if (cur)
2798                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2799                 else
2800                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2801                 mask |= ETH_QINQ_STRIP_MASK;
2802         }
2803
2804         /*no change*/
2805         if (mask == 0)
2806                 return ret;
2807
2808         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2809         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2810         if (ret) {
2811                 /* hit an error restore  original values */
2812                 *dev_offloads = orig_offloads;
2813         }
2814
2815         return eth_err(port_id, ret);
2816 }
2817
2818 int
2819 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2820 {
2821         struct rte_eth_dev *dev;
2822         uint64_t *dev_offloads;
2823         int ret = 0;
2824
2825         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2826         dev = &rte_eth_devices[port_id];
2827         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2828
2829         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2830                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2831
2832         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2833                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2834
2835         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2836                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2837
2838         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2839                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2840
2841         return ret;
2842 }
2843
2844 int
2845 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2846 {
2847         struct rte_eth_dev *dev;
2848
2849         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2850         dev = &rte_eth_devices[port_id];
2851         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2852
2853         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2854 }
2855
2856 int
2857 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2858 {
2859         struct rte_eth_dev *dev;
2860
2861         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2862         dev = &rte_eth_devices[port_id];
2863         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2864         memset(fc_conf, 0, sizeof(*fc_conf));
2865         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2866 }
2867
2868 int
2869 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2870 {
2871         struct rte_eth_dev *dev;
2872
2873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2874         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2875                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2876                 return -EINVAL;
2877         }
2878
2879         dev = &rte_eth_devices[port_id];
2880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2881         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2882 }
2883
2884 int
2885 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2886                                    struct rte_eth_pfc_conf *pfc_conf)
2887 {
2888         struct rte_eth_dev *dev;
2889
2890         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2891         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2892                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2893                 return -EINVAL;
2894         }
2895
2896         dev = &rte_eth_devices[port_id];
2897         /* High water, low water validation are device specific */
2898         if  (*dev->dev_ops->priority_flow_ctrl_set)
2899                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2900                                         (dev, pfc_conf));
2901         return -ENOTSUP;
2902 }
2903
2904 static int
2905 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2906                         uint16_t reta_size)
2907 {
2908         uint16_t i, num;
2909
2910         if (!reta_conf)
2911                 return -EINVAL;
2912
2913         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2914         for (i = 0; i < num; i++) {
2915                 if (reta_conf[i].mask)
2916                         return 0;
2917         }
2918
2919         return -EINVAL;
2920 }
2921
2922 static int
2923 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2924                          uint16_t reta_size,
2925                          uint16_t max_rxq)
2926 {
2927         uint16_t i, idx, shift;
2928
2929         if (!reta_conf)
2930                 return -EINVAL;
2931
2932         if (max_rxq == 0) {
2933                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2934                 return -EINVAL;
2935         }
2936
2937         for (i = 0; i < reta_size; i++) {
2938                 idx = i / RTE_RETA_GROUP_SIZE;
2939                 shift = i % RTE_RETA_GROUP_SIZE;
2940                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2941                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2942                         RTE_ETHDEV_LOG(ERR,
2943                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2944                                 idx, shift,
2945                                 reta_conf[idx].reta[shift], max_rxq);
2946                         return -EINVAL;
2947                 }
2948         }
2949
2950         return 0;
2951 }
2952
2953 int
2954 rte_eth_dev_rss_reta_update(uint16_t port_id,
2955                             struct rte_eth_rss_reta_entry64 *reta_conf,
2956                             uint16_t reta_size)
2957 {
2958         struct rte_eth_dev *dev;
2959         int ret;
2960
2961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2962         /* Check mask bits */
2963         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2964         if (ret < 0)
2965                 return ret;
2966
2967         dev = &rte_eth_devices[port_id];
2968
2969         /* Check entry value */
2970         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2971                                 dev->data->nb_rx_queues);
2972         if (ret < 0)
2973                 return ret;
2974
2975         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2976         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2977                                                              reta_size));
2978 }
2979
2980 int
2981 rte_eth_dev_rss_reta_query(uint16_t port_id,
2982                            struct rte_eth_rss_reta_entry64 *reta_conf,
2983                            uint16_t reta_size)
2984 {
2985         struct rte_eth_dev *dev;
2986         int ret;
2987
2988         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2989
2990         /* Check mask bits */
2991         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2992         if (ret < 0)
2993                 return ret;
2994
2995         dev = &rte_eth_devices[port_id];
2996         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2997         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2998                                                             reta_size));
2999 }
3000
3001 int
3002 rte_eth_dev_rss_hash_update(uint16_t port_id,
3003                             struct rte_eth_rss_conf *rss_conf)
3004 {
3005         struct rte_eth_dev *dev;
3006         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3007         int ret;
3008
3009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3010
3011         ret = rte_eth_dev_info_get(port_id, &dev_info);
3012         if (ret != 0)
3013                 return ret;
3014
3015         dev = &rte_eth_devices[port_id];
3016         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3017             dev_info.flow_type_rss_offloads) {
3018                 RTE_ETHDEV_LOG(ERR,
3019                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3020                         port_id, rss_conf->rss_hf,
3021                         dev_info.flow_type_rss_offloads);
3022                 return -EINVAL;
3023         }
3024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3025         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3026                                                                  rss_conf));
3027 }
3028
3029 int
3030 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3031                               struct rte_eth_rss_conf *rss_conf)
3032 {
3033         struct rte_eth_dev *dev;
3034
3035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3036         dev = &rte_eth_devices[port_id];
3037         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3038         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3039                                                                    rss_conf));
3040 }
3041
3042 int
3043 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3044                                 struct rte_eth_udp_tunnel *udp_tunnel)
3045 {
3046         struct rte_eth_dev *dev;
3047
3048         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3049         if (udp_tunnel == NULL) {
3050                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3051                 return -EINVAL;
3052         }
3053
3054         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3055                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3056                 return -EINVAL;
3057         }
3058
3059         dev = &rte_eth_devices[port_id];
3060         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3061         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3062                                                                 udp_tunnel));
3063 }
3064
3065 int
3066 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3067                                    struct rte_eth_udp_tunnel *udp_tunnel)
3068 {
3069         struct rte_eth_dev *dev;
3070
3071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3072         dev = &rte_eth_devices[port_id];
3073
3074         if (udp_tunnel == NULL) {
3075                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3076                 return -EINVAL;
3077         }
3078
3079         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3080                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3081                 return -EINVAL;
3082         }
3083
3084         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3085         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3086                                                                 udp_tunnel));
3087 }
3088
3089 int
3090 rte_eth_led_on(uint16_t port_id)
3091 {
3092         struct rte_eth_dev *dev;
3093
3094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3095         dev = &rte_eth_devices[port_id];
3096         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3097         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3098 }
3099
3100 int
3101 rte_eth_led_off(uint16_t port_id)
3102 {
3103         struct rte_eth_dev *dev;
3104
3105         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3106         dev = &rte_eth_devices[port_id];
3107         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3108         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3109 }
3110
3111 /*
3112  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3113  * an empty spot.
3114  */
3115 static int
3116 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3117 {
3118         struct rte_eth_dev_info dev_info;
3119         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3120         unsigned i;
3121         int ret;
3122
3123         ret = rte_eth_dev_info_get(port_id, &dev_info);
3124         if (ret != 0)
3125                 return -1;
3126
3127         for (i = 0; i < dev_info.max_mac_addrs; i++)
3128                 if (memcmp(addr, &dev->data->mac_addrs[i],
3129                                 RTE_ETHER_ADDR_LEN) == 0)
3130                         return i;
3131
3132         return -1;
3133 }
3134
3135 static const struct rte_ether_addr null_mac_addr;
3136
3137 int
3138 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3139                         uint32_t pool)
3140 {
3141         struct rte_eth_dev *dev;
3142         int index;
3143         uint64_t pool_mask;
3144         int ret;
3145
3146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3147         dev = &rte_eth_devices[port_id];
3148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3149
3150         if (rte_is_zero_ether_addr(addr)) {
3151                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3152                         port_id);
3153                 return -EINVAL;
3154         }
3155         if (pool >= ETH_64_POOLS) {
3156                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3157                 return -EINVAL;
3158         }
3159
3160         index = get_mac_addr_index(port_id, addr);
3161         if (index < 0) {
3162                 index = get_mac_addr_index(port_id, &null_mac_addr);
3163                 if (index < 0) {
3164                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3165                                 port_id);
3166                         return -ENOSPC;
3167                 }
3168         } else {
3169                 pool_mask = dev->data->mac_pool_sel[index];
3170
3171                 /* Check if both MAC address and pool is already there, and do nothing */
3172                 if (pool_mask & (1ULL << pool))
3173                         return 0;
3174         }
3175
3176         /* Update NIC */
3177         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3178
3179         if (ret == 0) {
3180                 /* Update address in NIC data structure */
3181                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3182
3183                 /* Update pool bitmap in NIC data structure */
3184                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3185         }
3186
3187         return eth_err(port_id, ret);
3188 }
3189
3190 int
3191 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3192 {
3193         struct rte_eth_dev *dev;
3194         int index;
3195
3196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3197         dev = &rte_eth_devices[port_id];
3198         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3199
3200         index = get_mac_addr_index(port_id, addr);
3201         if (index == 0) {
3202                 RTE_ETHDEV_LOG(ERR,
3203                         "Port %u: Cannot remove default MAC address\n",
3204                         port_id);
3205                 return -EADDRINUSE;
3206         } else if (index < 0)
3207                 return 0;  /* Do nothing if address wasn't found */
3208
3209         /* Update NIC */
3210         (*dev->dev_ops->mac_addr_remove)(dev, index);
3211
3212         /* Update address in NIC data structure */
3213         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3214
3215         /* reset pool bitmap */
3216         dev->data->mac_pool_sel[index] = 0;
3217
3218         return 0;
3219 }
3220
3221 int
3222 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3223 {
3224         struct rte_eth_dev *dev;
3225         int ret;
3226
3227         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3228
3229         if (!rte_is_valid_assigned_ether_addr(addr))
3230                 return -EINVAL;
3231
3232         dev = &rte_eth_devices[port_id];
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3234
3235         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3236         if (ret < 0)
3237                 return ret;
3238
3239         /* Update default address in NIC data structure */
3240         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3241
3242         return 0;
3243 }
3244
3245
3246 /*
3247  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3248  * an empty spot.
3249  */
3250 static int
3251 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3252 {
3253         struct rte_eth_dev_info dev_info;
3254         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3255         unsigned i;
3256         int ret;
3257
3258         ret = rte_eth_dev_info_get(port_id, &dev_info);
3259         if (ret != 0)
3260                 return -1;
3261
3262         if (!dev->data->hash_mac_addrs)
3263                 return -1;
3264
3265         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3266                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3267                         RTE_ETHER_ADDR_LEN) == 0)
3268                         return i;
3269
3270         return -1;
3271 }
3272
3273 int
3274 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3275                                 uint8_t on)
3276 {
3277         int index;
3278         int ret;
3279         struct rte_eth_dev *dev;
3280
3281         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3282
3283         dev = &rte_eth_devices[port_id];
3284         if (rte_is_zero_ether_addr(addr)) {
3285                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3286                         port_id);
3287                 return -EINVAL;
3288         }
3289
3290         index = get_hash_mac_addr_index(port_id, addr);
3291         /* Check if it's already there, and do nothing */
3292         if ((index >= 0) && on)
3293                 return 0;
3294
3295         if (index < 0) {
3296                 if (!on) {
3297                         RTE_ETHDEV_LOG(ERR,
3298                                 "Port %u: the MAC address was not set in UTA\n",
3299                                 port_id);
3300                         return -EINVAL;
3301                 }
3302
3303                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3304                 if (index < 0) {
3305                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3306                                 port_id);
3307                         return -ENOSPC;
3308                 }
3309         }
3310
3311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3312         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3313         if (ret == 0) {
3314                 /* Update address in NIC data structure */
3315                 if (on)
3316                         rte_ether_addr_copy(addr,
3317                                         &dev->data->hash_mac_addrs[index]);
3318                 else
3319                         rte_ether_addr_copy(&null_mac_addr,
3320                                         &dev->data->hash_mac_addrs[index]);
3321         }
3322
3323         return eth_err(port_id, ret);
3324 }
3325
3326 int
3327 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3328 {
3329         struct rte_eth_dev *dev;
3330
3331         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3332
3333         dev = &rte_eth_devices[port_id];
3334
3335         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3336         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3337                                                                        on));
3338 }
3339
3340 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3341                                         uint16_t tx_rate)
3342 {
3343         struct rte_eth_dev *dev;
3344         struct rte_eth_dev_info dev_info;
3345         struct rte_eth_link link;
3346         int ret;
3347
3348         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3349
3350         ret = rte_eth_dev_info_get(port_id, &dev_info);
3351         if (ret != 0)
3352                 return ret;
3353
3354         dev = &rte_eth_devices[port_id];
3355         link = dev->data->dev_link;
3356
3357         if (queue_idx > dev_info.max_tx_queues) {
3358                 RTE_ETHDEV_LOG(ERR,
3359                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3360                         port_id, queue_idx);
3361                 return -EINVAL;
3362         }
3363
3364         if (tx_rate > link.link_speed) {
3365                 RTE_ETHDEV_LOG(ERR,
3366                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3367                         tx_rate, link.link_speed);
3368                 return -EINVAL;
3369         }
3370
3371         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3372         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3373                                                         queue_idx, tx_rate));
3374 }
3375
3376 int
3377 rte_eth_mirror_rule_set(uint16_t port_id,
3378                         struct rte_eth_mirror_conf *mirror_conf,
3379                         uint8_t rule_id, uint8_t on)
3380 {
3381         struct rte_eth_dev *dev;
3382
3383         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3384         if (mirror_conf->rule_type == 0) {
3385                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3386                 return -EINVAL;
3387         }
3388
3389         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3390                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3391                         ETH_64_POOLS - 1);
3392                 return -EINVAL;
3393         }
3394
3395         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3396              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3397             (mirror_conf->pool_mask == 0)) {
3398                 RTE_ETHDEV_LOG(ERR,
3399                         "Invalid mirror pool, pool mask can not be 0\n");
3400                 return -EINVAL;
3401         }
3402
3403         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3404             mirror_conf->vlan.vlan_mask == 0) {
3405                 RTE_ETHDEV_LOG(ERR,
3406                         "Invalid vlan mask, vlan mask can not be 0\n");
3407                 return -EINVAL;
3408         }
3409
3410         dev = &rte_eth_devices[port_id];
3411         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3412
3413         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3414                                                 mirror_conf, rule_id, on));
3415 }
3416
3417 int
3418 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3419 {
3420         struct rte_eth_dev *dev;
3421
3422         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3423
3424         dev = &rte_eth_devices[port_id];
3425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3426
3427         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3428                                                                    rule_id));
3429 }
3430
3431 RTE_INIT(eth_dev_init_cb_lists)
3432 {
3433         int i;
3434
3435         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3436                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3437 }
3438
3439 int
3440 rte_eth_dev_callback_register(uint16_t port_id,
3441                         enum rte_eth_event_type event,
3442                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3443 {
3444         struct rte_eth_dev *dev;
3445         struct rte_eth_dev_callback *user_cb;
3446         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3447         uint16_t last_port;
3448
3449         if (!cb_fn)
3450                 return -EINVAL;
3451
3452         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3453                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3454                 return -EINVAL;
3455         }
3456
3457         if (port_id == RTE_ETH_ALL) {
3458                 next_port = 0;
3459                 last_port = RTE_MAX_ETHPORTS - 1;
3460         } else {
3461                 next_port = last_port = port_id;
3462         }
3463
3464         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3465
3466         do {
3467                 dev = &rte_eth_devices[next_port];
3468
3469                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3470                         if (user_cb->cb_fn == cb_fn &&
3471                                 user_cb->cb_arg == cb_arg &&
3472                                 user_cb->event == event) {
3473                                 break;
3474                         }
3475                 }
3476
3477                 /* create a new callback. */
3478                 if (user_cb == NULL) {
3479                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3480                                 sizeof(struct rte_eth_dev_callback), 0);
3481                         if (user_cb != NULL) {
3482                                 user_cb->cb_fn = cb_fn;
3483                                 user_cb->cb_arg = cb_arg;
3484                                 user_cb->event = event;
3485                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3486                                                   user_cb, next);
3487                         } else {
3488                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3489                                 rte_eth_dev_callback_unregister(port_id, event,
3490                                                                 cb_fn, cb_arg);
3491                                 return -ENOMEM;
3492                         }
3493
3494                 }
3495         } while (++next_port <= last_port);
3496
3497         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3498         return 0;
3499 }
3500
3501 int
3502 rte_eth_dev_callback_unregister(uint16_t port_id,
3503                         enum rte_eth_event_type event,
3504                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3505 {
3506         int ret;
3507         struct rte_eth_dev *dev;
3508         struct rte_eth_dev_callback *cb, *next;
3509         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3510         uint16_t last_port;
3511
3512         if (!cb_fn)
3513                 return -EINVAL;
3514
3515         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3516                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3517                 return -EINVAL;
3518         }
3519
3520         if (port_id == RTE_ETH_ALL) {
3521                 next_port = 0;
3522                 last_port = RTE_MAX_ETHPORTS - 1;
3523         } else {
3524                 next_port = last_port = port_id;
3525         }
3526
3527         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3528
3529         do {
3530                 dev = &rte_eth_devices[next_port];
3531                 ret = 0;
3532                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3533                      cb = next) {
3534
3535                         next = TAILQ_NEXT(cb, next);
3536
3537                         if (cb->cb_fn != cb_fn || cb->event != event ||
3538                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3539                                 continue;
3540
3541                         /*
3542                          * if this callback is not executing right now,
3543                          * then remove it.
3544                          */
3545                         if (cb->active == 0) {
3546                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3547                                 rte_free(cb);
3548                         } else {
3549                                 ret = -EAGAIN;
3550                         }
3551                 }
3552         } while (++next_port <= last_port);
3553
3554         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3555         return ret;
3556 }
3557
3558 int
3559 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3560         enum rte_eth_event_type event, void *ret_param)
3561 {
3562         struct rte_eth_dev_callback *cb_lst;
3563         struct rte_eth_dev_callback dev_cb;
3564         int rc = 0;
3565
3566         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3567         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3568                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3569                         continue;
3570                 dev_cb = *cb_lst;
3571                 cb_lst->active = 1;
3572                 if (ret_param != NULL)
3573                         dev_cb.ret_param = ret_param;
3574
3575                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3576                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3577                                 dev_cb.cb_arg, dev_cb.ret_param);
3578                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3579                 cb_lst->active = 0;
3580         }
3581         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3582         return rc;
3583 }
3584
3585 void
3586 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3587 {
3588         if (dev == NULL)
3589                 return;
3590
3591         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3592
3593         dev->state = RTE_ETH_DEV_ATTACHED;
3594 }
3595
3596 int
3597 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3598 {
3599         uint32_t vec;
3600         struct rte_eth_dev *dev;
3601         struct rte_intr_handle *intr_handle;
3602         uint16_t qid;
3603         int rc;
3604
3605         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3606
3607         dev = &rte_eth_devices[port_id];
3608
3609         if (!dev->intr_handle) {
3610                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3611                 return -ENOTSUP;
3612         }
3613
3614         intr_handle = dev->intr_handle;
3615         if (!intr_handle->intr_vec) {
3616                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3617                 return -EPERM;
3618         }
3619
3620         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3621                 vec = intr_handle->intr_vec[qid];
3622                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3623                 if (rc && rc != -EEXIST) {
3624                         RTE_ETHDEV_LOG(ERR,
3625                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3626                                 port_id, qid, op, epfd, vec);
3627                 }
3628         }
3629
3630         return 0;
3631 }
3632
3633 int
3634 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3635 {
3636         struct rte_intr_handle *intr_handle;
3637         struct rte_eth_dev *dev;
3638         unsigned int efd_idx;
3639         uint32_t vec;
3640         int fd;
3641
3642         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3643
3644         dev = &rte_eth_devices[port_id];
3645
3646         if (queue_id >= dev->data->nb_rx_queues) {
3647                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3648                 return -1;
3649         }
3650
3651         if (!dev->intr_handle) {
3652                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3653                 return -1;
3654         }
3655
3656         intr_handle = dev->intr_handle;
3657         if (!intr_handle->intr_vec) {
3658                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3659                 return -1;
3660         }
3661
3662         vec = intr_handle->intr_vec[queue_id];
3663         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3664                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3665         fd = intr_handle->efds[efd_idx];
3666
3667         return fd;
3668 }
3669
3670 const struct rte_memzone *
3671 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3672                          uint16_t queue_id, size_t size, unsigned align,
3673                          int socket_id)
3674 {
3675         char z_name[RTE_MEMZONE_NAMESIZE];
3676         const struct rte_memzone *mz;
3677         int rc;
3678
3679         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3680                       dev->data->port_id, queue_id, ring_name);
3681         if (rc >= RTE_MEMZONE_NAMESIZE) {
3682                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3683                 rte_errno = ENAMETOOLONG;
3684                 return NULL;
3685         }
3686
3687         mz = rte_memzone_lookup(z_name);
3688         if (mz)
3689                 return mz;
3690
3691         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3692                         RTE_MEMZONE_IOVA_CONTIG, align);
3693 }
3694
3695 int
3696 rte_eth_dev_create(struct rte_device *device, const char *name,
3697         size_t priv_data_size,
3698         ethdev_bus_specific_init ethdev_bus_specific_init,
3699         void *bus_init_params,
3700         ethdev_init_t ethdev_init, void *init_params)
3701 {
3702         struct rte_eth_dev *ethdev;
3703         int retval;
3704
3705         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3706
3707         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3708                 ethdev = rte_eth_dev_allocate(name);
3709                 if (!ethdev)
3710                         return -ENODEV;
3711
3712                 if (priv_data_size) {
3713                         ethdev->data->dev_private = rte_zmalloc_socket(
3714                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3715                                 device->numa_node);
3716
3717                         if (!ethdev->data->dev_private) {
3718                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3719                                 retval = -ENOMEM;
3720                                 goto probe_failed;
3721                         }
3722                 }
3723         } else {
3724                 ethdev = rte_eth_dev_attach_secondary(name);
3725                 if (!ethdev) {
3726                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3727                                 "ethdev doesn't exist");
3728                         return  -ENODEV;
3729                 }
3730         }
3731
3732         ethdev->device = device;
3733
3734         if (ethdev_bus_specific_init) {
3735                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3736                 if (retval) {
3737                         RTE_LOG(ERR, EAL,
3738                                 "ethdev bus specific initialisation failed");
3739                         goto probe_failed;
3740                 }
3741         }
3742
3743         retval = ethdev_init(ethdev, init_params);
3744         if (retval) {
3745                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3746                 goto probe_failed;
3747         }
3748
3749         rte_eth_dev_probing_finish(ethdev);
3750
3751         return retval;
3752
3753 probe_failed:
3754         rte_eth_dev_release_port(ethdev);
3755         return retval;
3756 }
3757
3758 int
3759 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3760         ethdev_uninit_t ethdev_uninit)
3761 {
3762         int ret;
3763
3764         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3765         if (!ethdev)
3766                 return -ENODEV;
3767
3768         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3769
3770         ret = ethdev_uninit(ethdev);
3771         if (ret)
3772                 return ret;
3773
3774         return rte_eth_dev_release_port(ethdev);
3775 }
3776
3777 int
3778 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3779                           int epfd, int op, void *data)
3780 {
3781         uint32_t vec;
3782         struct rte_eth_dev *dev;
3783         struct rte_intr_handle *intr_handle;
3784         int rc;
3785
3786         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3787
3788         dev = &rte_eth_devices[port_id];
3789         if (queue_id >= dev->data->nb_rx_queues) {
3790                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3791                 return -EINVAL;
3792         }
3793
3794         if (!dev->intr_handle) {
3795                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3796                 return -ENOTSUP;
3797         }
3798
3799         intr_handle = dev->intr_handle;
3800         if (!intr_handle->intr_vec) {
3801                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3802                 return -EPERM;
3803         }
3804
3805         vec = intr_handle->intr_vec[queue_id];
3806         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3807         if (rc && rc != -EEXIST) {
3808                 RTE_ETHDEV_LOG(ERR,
3809                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3810                         port_id, queue_id, op, epfd, vec);
3811                 return rc;
3812         }
3813
3814         return 0;
3815 }
3816
3817 int
3818 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3819                            uint16_t queue_id)
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
3827         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3828         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3829                                                                 queue_id));
3830 }
3831
3832 int
3833 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3834                             uint16_t queue_id)
3835 {
3836         struct rte_eth_dev *dev;
3837
3838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3839
3840         dev = &rte_eth_devices[port_id];
3841
3842         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3843         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3844                                                                 queue_id));
3845 }
3846
3847
3848 int
3849 rte_eth_dev_filter_supported(uint16_t port_id,
3850                              enum rte_filter_type filter_type)
3851 {
3852         struct rte_eth_dev *dev;
3853
3854         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3855
3856         dev = &rte_eth_devices[port_id];
3857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3858         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3859                                 RTE_ETH_FILTER_NOP, NULL);
3860 }
3861
3862 int
3863 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3864                         enum rte_filter_op filter_op, void *arg)
3865 {
3866         struct rte_eth_dev *dev;
3867
3868         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3869
3870         dev = &rte_eth_devices[port_id];
3871         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3872         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3873                                                              filter_op, arg));
3874 }
3875
3876 const struct rte_eth_rxtx_callback *
3877 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3878                 rte_rx_callback_fn fn, void *user_param)
3879 {
3880 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3881         rte_errno = ENOTSUP;
3882         return NULL;
3883 #endif
3884         /* check input parameters */
3885         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3886                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3887                 rte_errno = EINVAL;
3888                 return NULL;
3889         }
3890         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3891
3892         if (cb == NULL) {
3893                 rte_errno = ENOMEM;
3894                 return NULL;
3895         }
3896
3897         cb->fn.rx = fn;
3898         cb->param = user_param;
3899
3900         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3901         /* Add the callbacks in fifo order. */
3902         struct rte_eth_rxtx_callback *tail =
3903                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3904
3905         if (!tail) {
3906                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3907
3908         } else {
3909                 while (tail->next)
3910                         tail = tail->next;
3911                 tail->next = cb;
3912         }
3913         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3914
3915         return cb;
3916 }
3917
3918 const struct rte_eth_rxtx_callback *
3919 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3920                 rte_rx_callback_fn fn, void *user_param)
3921 {
3922 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3923         rte_errno = ENOTSUP;
3924         return NULL;
3925 #endif
3926         /* check input parameters */
3927         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3928                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3929                 rte_errno = EINVAL;
3930                 return NULL;
3931         }
3932
3933         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3934
3935         if (cb == NULL) {
3936                 rte_errno = ENOMEM;
3937                 return NULL;
3938         }
3939
3940         cb->fn.rx = fn;
3941         cb->param = user_param;
3942
3943         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3944         /* Add the callbacks at fisrt position*/
3945         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3946         rte_smp_wmb();
3947         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3948         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3949
3950         return cb;
3951 }
3952
3953 const struct rte_eth_rxtx_callback *
3954 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3955                 rte_tx_callback_fn fn, void *user_param)
3956 {
3957 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3958         rte_errno = ENOTSUP;
3959         return NULL;
3960 #endif
3961         /* check input parameters */
3962         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3963                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3964                 rte_errno = EINVAL;
3965                 return NULL;
3966         }
3967
3968         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3969
3970         if (cb == NULL) {
3971                 rte_errno = ENOMEM;
3972                 return NULL;
3973         }
3974
3975         cb->fn.tx = fn;
3976         cb->param = user_param;
3977
3978         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3979         /* Add the callbacks in fifo order. */
3980         struct rte_eth_rxtx_callback *tail =
3981                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3982
3983         if (!tail) {
3984                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3985
3986         } else {
3987                 while (tail->next)
3988                         tail = tail->next;
3989                 tail->next = cb;
3990         }
3991         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3992
3993         return cb;
3994 }
3995
3996 int
3997 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3998                 const struct rte_eth_rxtx_callback *user_cb)
3999 {
4000 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4001         return -ENOTSUP;
4002 #endif
4003         /* Check input parameters. */
4004         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4005         if (user_cb == NULL ||
4006                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4007                 return -EINVAL;
4008
4009         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4010         struct rte_eth_rxtx_callback *cb;
4011         struct rte_eth_rxtx_callback **prev_cb;
4012         int ret = -EINVAL;
4013
4014         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4015         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4016         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4017                 cb = *prev_cb;
4018                 if (cb == user_cb) {
4019                         /* Remove the user cb from the callback list. */
4020                         *prev_cb = cb->next;
4021                         ret = 0;
4022                         break;
4023                 }
4024         }
4025         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4026
4027         return ret;
4028 }
4029
4030 int
4031 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4032                 const struct rte_eth_rxtx_callback *user_cb)
4033 {
4034 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4035         return -ENOTSUP;
4036 #endif
4037         /* Check input parameters. */
4038         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4039         if (user_cb == NULL ||
4040                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4041                 return -EINVAL;
4042
4043         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4044         int ret = -EINVAL;
4045         struct rte_eth_rxtx_callback *cb;
4046         struct rte_eth_rxtx_callback **prev_cb;
4047
4048         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4049         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4050         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4051                 cb = *prev_cb;
4052                 if (cb == user_cb) {
4053                         /* Remove the user cb from the callback list. */
4054                         *prev_cb = cb->next;
4055                         ret = 0;
4056                         break;
4057                 }
4058         }
4059         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4060
4061         return ret;
4062 }
4063
4064 int
4065 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4066         struct rte_eth_rxq_info *qinfo)
4067 {
4068         struct rte_eth_dev *dev;
4069
4070         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4071
4072         if (qinfo == NULL)
4073                 return -EINVAL;
4074
4075         dev = &rte_eth_devices[port_id];
4076         if (queue_id >= dev->data->nb_rx_queues) {
4077                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4078                 return -EINVAL;
4079         }
4080
4081         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4082
4083         memset(qinfo, 0, sizeof(*qinfo));
4084         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4085         return 0;
4086 }
4087
4088 int
4089 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4090         struct rte_eth_txq_info *qinfo)
4091 {
4092         struct rte_eth_dev *dev;
4093
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4095
4096         if (qinfo == NULL)
4097                 return -EINVAL;
4098
4099         dev = &rte_eth_devices[port_id];
4100         if (queue_id >= dev->data->nb_tx_queues) {
4101                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4102                 return -EINVAL;
4103         }
4104
4105         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4106
4107         memset(qinfo, 0, sizeof(*qinfo));
4108         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4109
4110         return 0;
4111 }
4112
4113 int
4114 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4115                              struct rte_ether_addr *mc_addr_set,
4116                              uint32_t nb_mc_addr)
4117 {
4118         struct rte_eth_dev *dev;
4119
4120         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4121
4122         dev = &rte_eth_devices[port_id];
4123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4124         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4125                                                 mc_addr_set, nb_mc_addr));
4126 }
4127
4128 int
4129 rte_eth_timesync_enable(uint16_t port_id)
4130 {
4131         struct rte_eth_dev *dev;
4132
4133         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4134         dev = &rte_eth_devices[port_id];
4135
4136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4137         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4138 }
4139
4140 int
4141 rte_eth_timesync_disable(uint16_t port_id)
4142 {
4143         struct rte_eth_dev *dev;
4144
4145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4146         dev = &rte_eth_devices[port_id];
4147
4148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4149         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4150 }
4151
4152 int
4153 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4154                                    uint32_t flags)
4155 {
4156         struct rte_eth_dev *dev;
4157
4158         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4159         dev = &rte_eth_devices[port_id];
4160
4161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4162         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4163                                 (dev, timestamp, flags));
4164 }
4165
4166 int
4167 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4168                                    struct timespec *timestamp)
4169 {
4170         struct rte_eth_dev *dev;
4171
4172         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4173         dev = &rte_eth_devices[port_id];
4174
4175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4176         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4177                                 (dev, timestamp));
4178 }
4179
4180 int
4181 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4182 {
4183         struct rte_eth_dev *dev;
4184
4185         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4186         dev = &rte_eth_devices[port_id];
4187
4188         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4189         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4190                                                                       delta));
4191 }
4192
4193 int
4194 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4195 {
4196         struct rte_eth_dev *dev;
4197
4198         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4199         dev = &rte_eth_devices[port_id];
4200
4201         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4202         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4203                                                                 timestamp));
4204 }
4205
4206 int
4207 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4208 {
4209         struct rte_eth_dev *dev;
4210
4211         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4212         dev = &rte_eth_devices[port_id];
4213
4214         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4215         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4216                                                                 timestamp));
4217 }
4218
4219 int
4220 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4221 {
4222         struct rte_eth_dev *dev;
4223
4224         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4225         dev = &rte_eth_devices[port_id];
4226
4227         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4228         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4229 }
4230
4231 int
4232 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4233 {
4234         struct rte_eth_dev *dev;
4235
4236         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4237
4238         dev = &rte_eth_devices[port_id];
4239         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4240         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4241 }
4242
4243 int
4244 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4245 {
4246         struct rte_eth_dev *dev;
4247
4248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249
4250         dev = &rte_eth_devices[port_id];
4251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4252         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4253 }
4254
4255 int
4256 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4257 {
4258         struct rte_eth_dev *dev;
4259
4260         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4261
4262         dev = &rte_eth_devices[port_id];
4263         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4264         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4265 }
4266
4267 int
4268 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4269 {
4270         struct rte_eth_dev *dev;
4271
4272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4273
4274         dev = &rte_eth_devices[port_id];
4275         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4276         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4277 }
4278
4279 int
4280 rte_eth_dev_get_module_info(uint16_t port_id,
4281                             struct rte_eth_dev_module_info *modinfo)
4282 {
4283         struct rte_eth_dev *dev;
4284
4285         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4286
4287         dev = &rte_eth_devices[port_id];
4288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4289         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4290 }
4291
4292 int
4293 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4294                               struct rte_dev_eeprom_info *info)
4295 {
4296         struct rte_eth_dev *dev;
4297
4298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4299
4300         dev = &rte_eth_devices[port_id];
4301         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4302         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4303 }
4304
4305 int
4306 rte_eth_dev_get_dcb_info(uint16_t port_id,
4307                              struct rte_eth_dcb_info *dcb_info)
4308 {
4309         struct rte_eth_dev *dev;
4310
4311         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4312
4313         dev = &rte_eth_devices[port_id];
4314         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4315
4316         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4317         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4318 }
4319
4320 int
4321 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4322                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4323 {
4324         struct rte_eth_dev *dev;
4325
4326         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4327         if (l2_tunnel == NULL) {
4328                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4329                 return -EINVAL;
4330         }
4331
4332         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4333                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4334                 return -EINVAL;
4335         }
4336
4337         dev = &rte_eth_devices[port_id];
4338         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4339                                 -ENOTSUP);
4340         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4341                                                                 l2_tunnel));
4342 }
4343
4344 int
4345 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4346                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4347                                   uint32_t mask,
4348                                   uint8_t en)
4349 {
4350         struct rte_eth_dev *dev;
4351
4352         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4353
4354         if (l2_tunnel == NULL) {
4355                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4356                 return -EINVAL;
4357         }
4358
4359         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4360                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4361                 return -EINVAL;
4362         }
4363
4364         if (mask == 0) {
4365                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4366                 return -EINVAL;
4367         }
4368
4369         dev = &rte_eth_devices[port_id];
4370         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4371                                 -ENOTSUP);
4372         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4373                                                         l2_tunnel, mask, en));
4374 }
4375
4376 static void
4377 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4378                            const struct rte_eth_desc_lim *desc_lim)
4379 {
4380         if (desc_lim->nb_align != 0)
4381                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4382
4383         if (desc_lim->nb_max != 0)
4384                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4385
4386         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4387 }
4388
4389 int
4390 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4391                                  uint16_t *nb_rx_desc,
4392                                  uint16_t *nb_tx_desc)
4393 {
4394         struct rte_eth_dev_info dev_info;
4395         int ret;
4396
4397         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4398
4399         ret = rte_eth_dev_info_get(port_id, &dev_info);
4400         if (ret != 0)
4401                 return ret;
4402
4403         if (nb_rx_desc != NULL)
4404                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4405
4406         if (nb_tx_desc != NULL)
4407                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4408
4409         return 0;
4410 }
4411
4412 int
4413 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4414 {
4415         struct rte_eth_dev *dev;
4416
4417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4418
4419         if (pool == NULL)
4420                 return -EINVAL;
4421
4422         dev = &rte_eth_devices[port_id];
4423
4424         if (*dev->dev_ops->pool_ops_supported == NULL)
4425                 return 1; /* all pools are supported */
4426
4427         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4428 }
4429
4430 /**
4431  * A set of values to describe the possible states of a switch domain.
4432  */
4433 enum rte_eth_switch_domain_state {
4434         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4435         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4436 };
4437
4438 /**
4439  * Array of switch domains available for allocation. Array is sized to
4440  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4441  * ethdev ports in a single process.
4442  */
4443 static struct rte_eth_dev_switch {
4444         enum rte_eth_switch_domain_state state;
4445 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4446
4447 int
4448 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4449 {
4450         unsigned int i;
4451
4452         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4453
4454         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4455                 i < RTE_MAX_ETHPORTS; i++) {
4456                 if (rte_eth_switch_domains[i].state ==
4457                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4458                         rte_eth_switch_domains[i].state =
4459                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4460                         *domain_id = i;
4461                         return 0;
4462                 }
4463         }
4464
4465         return -ENOSPC;
4466 }
4467
4468 int
4469 rte_eth_switch_domain_free(uint16_t domain_id)
4470 {
4471         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4472                 domain_id >= RTE_MAX_ETHPORTS)
4473                 return -EINVAL;
4474
4475         if (rte_eth_switch_domains[domain_id].state !=
4476                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4477                 return -EINVAL;
4478
4479         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4480
4481         return 0;
4482 }
4483
4484 static int
4485 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4486 {
4487         int state;
4488         struct rte_kvargs_pair *pair;
4489         char *letter;
4490
4491         arglist->str = strdup(str_in);
4492         if (arglist->str == NULL)
4493                 return -ENOMEM;
4494
4495         letter = arglist->str;
4496         state = 0;
4497         arglist->count = 0;
4498         pair = &arglist->pairs[0];
4499         while (1) {
4500                 switch (state) {
4501                 case 0: /* Initial */
4502                         if (*letter == '=')
4503                                 return -EINVAL;
4504                         else if (*letter == '\0')
4505                                 return 0;
4506
4507                         state = 1;
4508                         pair->key = letter;
4509                         /* fall-thru */
4510
4511                 case 1: /* Parsing key */
4512                         if (*letter == '=') {
4513                                 *letter = '\0';
4514                                 pair->value = letter + 1;
4515                                 state = 2;
4516                         } else if (*letter == ',' || *letter == '\0')
4517                                 return -EINVAL;
4518                         break;
4519
4520
4521                 case 2: /* Parsing value */
4522                         if (*letter == '[')
4523                                 state = 3;
4524                         else if (*letter == ',') {
4525                                 *letter = '\0';
4526                                 arglist->count++;
4527                                 pair = &arglist->pairs[arglist->count];
4528                                 state = 0;
4529                         } else if (*letter == '\0') {
4530                                 letter--;
4531                                 arglist->count++;
4532                                 pair = &arglist->pairs[arglist->count];
4533                                 state = 0;
4534                         }
4535                         break;
4536
4537                 case 3: /* Parsing list */
4538                         if (*letter == ']')
4539                                 state = 2;
4540                         else if (*letter == '\0')
4541                                 return -EINVAL;
4542                         break;
4543                 }
4544                 letter++;
4545         }
4546 }
4547
4548 int
4549 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4550 {
4551         struct rte_kvargs args;
4552         struct rte_kvargs_pair *pair;
4553         unsigned int i;
4554         int result = 0;
4555
4556         memset(eth_da, 0, sizeof(*eth_da));
4557
4558         result = rte_eth_devargs_tokenise(&args, dargs);
4559         if (result < 0)
4560                 goto parse_cleanup;
4561
4562         for (i = 0; i < args.count; i++) {
4563                 pair = &args.pairs[i];
4564                 if (strcmp("representor", pair->key) == 0) {
4565                         result = rte_eth_devargs_parse_list(pair->value,
4566                                 rte_eth_devargs_parse_representor_ports,
4567                                 eth_da);
4568                         if (result < 0)
4569                                 goto parse_cleanup;
4570                 }
4571         }
4572
4573 parse_cleanup:
4574         if (args.str)
4575                 free(args.str);
4576
4577         return result;
4578 }
4579
4580 RTE_INIT(ethdev_init_log)
4581 {
4582         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4583         if (rte_eth_dev_logtype >= 0)
4584                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4585 }