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 int
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         int ret;
1389
1390         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1391                 rte_eth_dev_mac_restore(dev, dev_info);
1392
1393         /* replay promiscuous configuration */
1394         if (rte_eth_promiscuous_get(port_id) == 1) {
1395                 ret = rte_eth_promiscuous_enable(port_id);
1396                 if (ret != 0 && ret != -ENOTSUP) {
1397                         RTE_ETHDEV_LOG(ERR,
1398                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1399                                 port_id, rte_strerror(-ret));
1400                         return ret;
1401                 }
1402         } else if (rte_eth_promiscuous_get(port_id) == 0) {
1403                 ret = rte_eth_promiscuous_disable(port_id);
1404                 if (ret != 0 && ret != -ENOTSUP) {
1405                         RTE_ETHDEV_LOG(ERR,
1406                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1407                                 port_id, rte_strerror(-ret));
1408                         return ret;
1409                 }
1410         }
1411
1412         /* replay all multicast configuration */
1413         if (rte_eth_allmulticast_get(port_id) == 1)
1414                 rte_eth_allmulticast_enable(port_id);
1415         else if (rte_eth_allmulticast_get(port_id) == 0)
1416                 rte_eth_allmulticast_disable(port_id);
1417
1418         return 0;
1419 }
1420
1421 int
1422 rte_eth_dev_start(uint16_t port_id)
1423 {
1424         struct rte_eth_dev *dev;
1425         struct rte_eth_dev_info dev_info;
1426         int diag;
1427         int ret;
1428
1429         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1430
1431         dev = &rte_eth_devices[port_id];
1432
1433         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1434
1435         if (dev->data->dev_started != 0) {
1436                 RTE_ETHDEV_LOG(INFO,
1437                         "Device with port_id=%"PRIu16" already started\n",
1438                         port_id);
1439                 return 0;
1440         }
1441
1442         ret = rte_eth_dev_info_get(port_id, &dev_info);
1443         if (ret != 0)
1444                 return ret;
1445
1446         /* Lets restore MAC now if device does not support live change */
1447         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1448                 rte_eth_dev_mac_restore(dev, &dev_info);
1449
1450         diag = (*dev->dev_ops->dev_start)(dev);
1451         if (diag == 0)
1452                 dev->data->dev_started = 1;
1453         else
1454                 return eth_err(port_id, diag);
1455
1456         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1457         if (ret != 0) {
1458                 RTE_ETHDEV_LOG(ERR,
1459                         "Error during restoring configuration for device (port %u): %s\n",
1460                         port_id, rte_strerror(-ret));
1461                 rte_eth_dev_stop(port_id);
1462                 return ret;
1463         }
1464
1465         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1466                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1467                 (*dev->dev_ops->link_update)(dev, 0);
1468         }
1469         return 0;
1470 }
1471
1472 void
1473 rte_eth_dev_stop(uint16_t port_id)
1474 {
1475         struct rte_eth_dev *dev;
1476
1477         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1478         dev = &rte_eth_devices[port_id];
1479
1480         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1481
1482         if (dev->data->dev_started == 0) {
1483                 RTE_ETHDEV_LOG(INFO,
1484                         "Device with port_id=%"PRIu16" already stopped\n",
1485                         port_id);
1486                 return;
1487         }
1488
1489         dev->data->dev_started = 0;
1490         (*dev->dev_ops->dev_stop)(dev);
1491 }
1492
1493 int
1494 rte_eth_dev_set_link_up(uint16_t port_id)
1495 {
1496         struct rte_eth_dev *dev;
1497
1498         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1499
1500         dev = &rte_eth_devices[port_id];
1501
1502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1503         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1504 }
1505
1506 int
1507 rte_eth_dev_set_link_down(uint16_t port_id)
1508 {
1509         struct rte_eth_dev *dev;
1510
1511         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1512
1513         dev = &rte_eth_devices[port_id];
1514
1515         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1516         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1517 }
1518
1519 void
1520 rte_eth_dev_close(uint16_t port_id)
1521 {
1522         struct rte_eth_dev *dev;
1523
1524         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1525         dev = &rte_eth_devices[port_id];
1526
1527         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1528         dev->data->dev_started = 0;
1529         (*dev->dev_ops->dev_close)(dev);
1530
1531         /* check behaviour flag - temporary for PMD migration */
1532         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1533                 /* new behaviour: send event + reset state + free all data */
1534                 rte_eth_dev_release_port(dev);
1535                 return;
1536         }
1537         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1538                         "The driver %s should migrate to the new behaviour.\n",
1539                         dev->device->driver->name);
1540         /* old behaviour: only free queue arrays */
1541         dev->data->nb_rx_queues = 0;
1542         rte_free(dev->data->rx_queues);
1543         dev->data->rx_queues = NULL;
1544         dev->data->nb_tx_queues = 0;
1545         rte_free(dev->data->tx_queues);
1546         dev->data->tx_queues = NULL;
1547 }
1548
1549 int
1550 rte_eth_dev_reset(uint16_t port_id)
1551 {
1552         struct rte_eth_dev *dev;
1553         int ret;
1554
1555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1556         dev = &rte_eth_devices[port_id];
1557
1558         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1559
1560         rte_eth_dev_stop(port_id);
1561         ret = dev->dev_ops->dev_reset(dev);
1562
1563         return eth_err(port_id, ret);
1564 }
1565
1566 int
1567 rte_eth_dev_is_removed(uint16_t port_id)
1568 {
1569         struct rte_eth_dev *dev;
1570         int ret;
1571
1572         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1573
1574         dev = &rte_eth_devices[port_id];
1575
1576         if (dev->state == RTE_ETH_DEV_REMOVED)
1577                 return 1;
1578
1579         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1580
1581         ret = dev->dev_ops->is_removed(dev);
1582         if (ret != 0)
1583                 /* Device is physically removed. */
1584                 dev->state = RTE_ETH_DEV_REMOVED;
1585
1586         return ret;
1587 }
1588
1589 int
1590 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1591                        uint16_t nb_rx_desc, unsigned int socket_id,
1592                        const struct rte_eth_rxconf *rx_conf,
1593                        struct rte_mempool *mp)
1594 {
1595         int ret;
1596         uint32_t mbp_buf_size;
1597         struct rte_eth_dev *dev;
1598         struct rte_eth_dev_info dev_info;
1599         struct rte_eth_rxconf local_conf;
1600         void **rxq;
1601
1602         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1603
1604         dev = &rte_eth_devices[port_id];
1605         if (rx_queue_id >= dev->data->nb_rx_queues) {
1606                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1607                 return -EINVAL;
1608         }
1609
1610         if (mp == NULL) {
1611                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1612                 return -EINVAL;
1613         }
1614
1615         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1616
1617         /*
1618          * Check the size of the mbuf data buffer.
1619          * This value must be provided in the private data of the memory pool.
1620          * First check that the memory pool has a valid private data.
1621          */
1622         ret = rte_eth_dev_info_get(port_id, &dev_info);
1623         if (ret != 0)
1624                 return ret;
1625
1626         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1627                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1628                         mp->name, (int)mp->private_data_size,
1629                         (int)sizeof(struct rte_pktmbuf_pool_private));
1630                 return -ENOSPC;
1631         }
1632         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1633
1634         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1635                 RTE_ETHDEV_LOG(ERR,
1636                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1637                         mp->name, (int)mbp_buf_size,
1638                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1639                         (int)RTE_PKTMBUF_HEADROOM,
1640                         (int)dev_info.min_rx_bufsize);
1641                 return -EINVAL;
1642         }
1643
1644         /* Use default specified by driver, if nb_rx_desc is zero */
1645         if (nb_rx_desc == 0) {
1646                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1647                 /* If driver default is also zero, fall back on EAL default */
1648                 if (nb_rx_desc == 0)
1649                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1650         }
1651
1652         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1653                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1654                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1655
1656                 RTE_ETHDEV_LOG(ERR,
1657                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1658                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1659                         dev_info.rx_desc_lim.nb_min,
1660                         dev_info.rx_desc_lim.nb_align);
1661                 return -EINVAL;
1662         }
1663
1664         if (dev->data->dev_started &&
1665                 !(dev_info.dev_capa &
1666                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1667                 return -EBUSY;
1668
1669         if (dev->data->dev_started &&
1670                 (dev->data->rx_queue_state[rx_queue_id] !=
1671                         RTE_ETH_QUEUE_STATE_STOPPED))
1672                 return -EBUSY;
1673
1674         rxq = dev->data->rx_queues;
1675         if (rxq[rx_queue_id]) {
1676                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1677                                         -ENOTSUP);
1678                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1679                 rxq[rx_queue_id] = NULL;
1680         }
1681
1682         if (rx_conf == NULL)
1683                 rx_conf = &dev_info.default_rxconf;
1684
1685         local_conf = *rx_conf;
1686
1687         /*
1688          * If an offloading has already been enabled in
1689          * rte_eth_dev_configure(), it has been enabled on all queues,
1690          * so there is no need to enable it in this queue again.
1691          * The local_conf.offloads input to underlying PMD only carries
1692          * those offloadings which are only enabled on this queue and
1693          * not enabled on all queues.
1694          */
1695         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1696
1697         /*
1698          * New added offloadings for this queue are those not enabled in
1699          * rte_eth_dev_configure() and they must be per-queue type.
1700          * A pure per-port offloading can't be enabled on a queue while
1701          * disabled on another queue. A pure per-port offloading can't
1702          * be enabled for any queue as new added one if it hasn't been
1703          * enabled in rte_eth_dev_configure().
1704          */
1705         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1706              local_conf.offloads) {
1707                 RTE_ETHDEV_LOG(ERR,
1708                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1709                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1710                         port_id, rx_queue_id, local_conf.offloads,
1711                         dev_info.rx_queue_offload_capa,
1712                         __func__);
1713                 return -EINVAL;
1714         }
1715
1716         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1717                                               socket_id, &local_conf, mp);
1718         if (!ret) {
1719                 if (!dev->data->min_rx_buf_size ||
1720                     dev->data->min_rx_buf_size > mbp_buf_size)
1721                         dev->data->min_rx_buf_size = mbp_buf_size;
1722         }
1723
1724         return eth_err(port_id, ret);
1725 }
1726
1727 int
1728 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1729                        uint16_t nb_tx_desc, unsigned int socket_id,
1730                        const struct rte_eth_txconf *tx_conf)
1731 {
1732         struct rte_eth_dev *dev;
1733         struct rte_eth_dev_info dev_info;
1734         struct rte_eth_txconf local_conf;
1735         void **txq;
1736         int ret;
1737
1738         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1739
1740         dev = &rte_eth_devices[port_id];
1741         if (tx_queue_id >= dev->data->nb_tx_queues) {
1742                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1743                 return -EINVAL;
1744         }
1745
1746         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1747
1748         ret = rte_eth_dev_info_get(port_id, &dev_info);
1749         if (ret != 0)
1750                 return ret;
1751
1752         /* Use default specified by driver, if nb_tx_desc is zero */
1753         if (nb_tx_desc == 0) {
1754                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1755                 /* If driver default is zero, fall back on EAL default */
1756                 if (nb_tx_desc == 0)
1757                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1758         }
1759         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1760             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1761             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1762                 RTE_ETHDEV_LOG(ERR,
1763                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1764                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1765                         dev_info.tx_desc_lim.nb_min,
1766                         dev_info.tx_desc_lim.nb_align);
1767                 return -EINVAL;
1768         }
1769
1770         if (dev->data->dev_started &&
1771                 !(dev_info.dev_capa &
1772                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1773                 return -EBUSY;
1774
1775         if (dev->data->dev_started &&
1776                 (dev->data->tx_queue_state[tx_queue_id] !=
1777                         RTE_ETH_QUEUE_STATE_STOPPED))
1778                 return -EBUSY;
1779
1780         txq = dev->data->tx_queues;
1781         if (txq[tx_queue_id]) {
1782                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1783                                         -ENOTSUP);
1784                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1785                 txq[tx_queue_id] = NULL;
1786         }
1787
1788         if (tx_conf == NULL)
1789                 tx_conf = &dev_info.default_txconf;
1790
1791         local_conf = *tx_conf;
1792
1793         /*
1794          * If an offloading has already been enabled in
1795          * rte_eth_dev_configure(), it has been enabled on all queues,
1796          * so there is no need to enable it in this queue again.
1797          * The local_conf.offloads input to underlying PMD only carries
1798          * those offloadings which are only enabled on this queue and
1799          * not enabled on all queues.
1800          */
1801         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1802
1803         /*
1804          * New added offloadings for this queue are those not enabled in
1805          * rte_eth_dev_configure() and they must be per-queue type.
1806          * A pure per-port offloading can't be enabled on a queue while
1807          * disabled on another queue. A pure per-port offloading can't
1808          * be enabled for any queue as new added one if it hasn't been
1809          * enabled in rte_eth_dev_configure().
1810          */
1811         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1812              local_conf.offloads) {
1813                 RTE_ETHDEV_LOG(ERR,
1814                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1815                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1816                         port_id, tx_queue_id, local_conf.offloads,
1817                         dev_info.tx_queue_offload_capa,
1818                         __func__);
1819                 return -EINVAL;
1820         }
1821
1822         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1823                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1824 }
1825
1826 void
1827 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1828                 void *userdata __rte_unused)
1829 {
1830         unsigned i;
1831
1832         for (i = 0; i < unsent; i++)
1833                 rte_pktmbuf_free(pkts[i]);
1834 }
1835
1836 void
1837 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1838                 void *userdata)
1839 {
1840         uint64_t *count = userdata;
1841         unsigned i;
1842
1843         for (i = 0; i < unsent; i++)
1844                 rte_pktmbuf_free(pkts[i]);
1845
1846         *count += unsent;
1847 }
1848
1849 int
1850 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1851                 buffer_tx_error_fn cbfn, void *userdata)
1852 {
1853         buffer->error_callback = cbfn;
1854         buffer->error_userdata = userdata;
1855         return 0;
1856 }
1857
1858 int
1859 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1860 {
1861         int ret = 0;
1862
1863         if (buffer == NULL)
1864                 return -EINVAL;
1865
1866         buffer->size = size;
1867         if (buffer->error_callback == NULL) {
1868                 ret = rte_eth_tx_buffer_set_err_callback(
1869                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1870         }
1871
1872         return ret;
1873 }
1874
1875 int
1876 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1877 {
1878         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1879         int ret;
1880
1881         /* Validate Input Data. Bail if not valid or not supported. */
1882         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1883         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1884
1885         /* Call driver to free pending mbufs. */
1886         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1887                                                free_cnt);
1888         return eth_err(port_id, ret);
1889 }
1890
1891 int
1892 rte_eth_promiscuous_enable(uint16_t port_id)
1893 {
1894         struct rte_eth_dev *dev;
1895
1896         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1897         dev = &rte_eth_devices[port_id];
1898
1899         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
1900         (*dev->dev_ops->promiscuous_enable)(dev);
1901         dev->data->promiscuous = 1;
1902
1903         return 0;
1904 }
1905
1906 int
1907 rte_eth_promiscuous_disable(uint16_t port_id)
1908 {
1909         struct rte_eth_dev *dev;
1910
1911         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1912         dev = &rte_eth_devices[port_id];
1913
1914         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
1915         dev->data->promiscuous = 0;
1916         (*dev->dev_ops->promiscuous_disable)(dev);
1917
1918         return 0;
1919 }
1920
1921 int
1922 rte_eth_promiscuous_get(uint16_t port_id)
1923 {
1924         struct rte_eth_dev *dev;
1925
1926         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1927
1928         dev = &rte_eth_devices[port_id];
1929         return dev->data->promiscuous;
1930 }
1931
1932 void
1933 rte_eth_allmulticast_enable(uint16_t port_id)
1934 {
1935         struct rte_eth_dev *dev;
1936
1937         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1938         dev = &rte_eth_devices[port_id];
1939
1940         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1941         (*dev->dev_ops->allmulticast_enable)(dev);
1942         dev->data->all_multicast = 1;
1943 }
1944
1945 void
1946 rte_eth_allmulticast_disable(uint16_t port_id)
1947 {
1948         struct rte_eth_dev *dev;
1949
1950         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1951         dev = &rte_eth_devices[port_id];
1952
1953         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1954         dev->data->all_multicast = 0;
1955         (*dev->dev_ops->allmulticast_disable)(dev);
1956 }
1957
1958 int
1959 rte_eth_allmulticast_get(uint16_t port_id)
1960 {
1961         struct rte_eth_dev *dev;
1962
1963         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1964
1965         dev = &rte_eth_devices[port_id];
1966         return dev->data->all_multicast;
1967 }
1968
1969 void
1970 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1971 {
1972         struct rte_eth_dev *dev;
1973
1974         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1975         dev = &rte_eth_devices[port_id];
1976
1977         if (dev->data->dev_conf.intr_conf.lsc &&
1978             dev->data->dev_started)
1979                 rte_eth_linkstatus_get(dev, eth_link);
1980         else {
1981                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1982                 (*dev->dev_ops->link_update)(dev, 1);
1983                 *eth_link = dev->data->dev_link;
1984         }
1985 }
1986
1987 void
1988 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1989 {
1990         struct rte_eth_dev *dev;
1991
1992         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1993         dev = &rte_eth_devices[port_id];
1994
1995         if (dev->data->dev_conf.intr_conf.lsc &&
1996             dev->data->dev_started)
1997                 rte_eth_linkstatus_get(dev, eth_link);
1998         else {
1999                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
2000                 (*dev->dev_ops->link_update)(dev, 0);
2001                 *eth_link = dev->data->dev_link;
2002         }
2003 }
2004
2005 int
2006 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2007 {
2008         struct rte_eth_dev *dev;
2009
2010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2011
2012         dev = &rte_eth_devices[port_id];
2013         memset(stats, 0, sizeof(*stats));
2014
2015         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2016         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2017         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2018 }
2019
2020 int
2021 rte_eth_stats_reset(uint16_t port_id)
2022 {
2023         struct rte_eth_dev *dev;
2024
2025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2026         dev = &rte_eth_devices[port_id];
2027
2028         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2029         (*dev->dev_ops->stats_reset)(dev);
2030         dev->data->rx_mbuf_alloc_failed = 0;
2031
2032         return 0;
2033 }
2034
2035 static inline int
2036 get_xstats_basic_count(struct rte_eth_dev *dev)
2037 {
2038         uint16_t nb_rxqs, nb_txqs;
2039         int count;
2040
2041         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2042         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2043
2044         count = RTE_NB_STATS;
2045         count += nb_rxqs * RTE_NB_RXQ_STATS;
2046         count += nb_txqs * RTE_NB_TXQ_STATS;
2047
2048         return count;
2049 }
2050
2051 static int
2052 get_xstats_count(uint16_t port_id)
2053 {
2054         struct rte_eth_dev *dev;
2055         int count;
2056
2057         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2058         dev = &rte_eth_devices[port_id];
2059         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2060                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2061                                 NULL, 0);
2062                 if (count < 0)
2063                         return eth_err(port_id, count);
2064         }
2065         if (dev->dev_ops->xstats_get_names != NULL) {
2066                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2067                 if (count < 0)
2068                         return eth_err(port_id, count);
2069         } else
2070                 count = 0;
2071
2072
2073         count += get_xstats_basic_count(dev);
2074
2075         return count;
2076 }
2077
2078 int
2079 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2080                 uint64_t *id)
2081 {
2082         int cnt_xstats, idx_xstat;
2083
2084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2085
2086         if (!id) {
2087                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2088                 return -ENOMEM;
2089         }
2090
2091         if (!xstat_name) {
2092                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2093                 return -ENOMEM;
2094         }
2095
2096         /* Get count */
2097         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2098         if (cnt_xstats  < 0) {
2099                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2100                 return -ENODEV;
2101         }
2102
2103         /* Get id-name lookup table */
2104         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2105
2106         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2107                         port_id, xstats_names, cnt_xstats, NULL)) {
2108                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2109                 return -1;
2110         }
2111
2112         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2113                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2114                         *id = idx_xstat;
2115                         return 0;
2116                 };
2117         }
2118
2119         return -EINVAL;
2120 }
2121
2122 /* retrieve basic stats names */
2123 static int
2124 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2125         struct rte_eth_xstat_name *xstats_names)
2126 {
2127         int cnt_used_entries = 0;
2128         uint32_t idx, id_queue;
2129         uint16_t num_q;
2130
2131         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2132                 strlcpy(xstats_names[cnt_used_entries].name,
2133                         rte_stats_strings[idx].name,
2134                         sizeof(xstats_names[0].name));
2135                 cnt_used_entries++;
2136         }
2137         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2138         for (id_queue = 0; id_queue < num_q; id_queue++) {
2139                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2140                         snprintf(xstats_names[cnt_used_entries].name,
2141                                 sizeof(xstats_names[0].name),
2142                                 "rx_q%u%s",
2143                                 id_queue, rte_rxq_stats_strings[idx].name);
2144                         cnt_used_entries++;
2145                 }
2146
2147         }
2148         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2149         for (id_queue = 0; id_queue < num_q; id_queue++) {
2150                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2151                         snprintf(xstats_names[cnt_used_entries].name,
2152                                 sizeof(xstats_names[0].name),
2153                                 "tx_q%u%s",
2154                                 id_queue, rte_txq_stats_strings[idx].name);
2155                         cnt_used_entries++;
2156                 }
2157         }
2158         return cnt_used_entries;
2159 }
2160
2161 /* retrieve ethdev extended statistics names */
2162 int
2163 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2164         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2165         uint64_t *ids)
2166 {
2167         struct rte_eth_xstat_name *xstats_names_copy;
2168         unsigned int no_basic_stat_requested = 1;
2169         unsigned int no_ext_stat_requested = 1;
2170         unsigned int expected_entries;
2171         unsigned int basic_count;
2172         struct rte_eth_dev *dev;
2173         unsigned int i;
2174         int ret;
2175
2176         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2177         dev = &rte_eth_devices[port_id];
2178
2179         basic_count = get_xstats_basic_count(dev);
2180         ret = get_xstats_count(port_id);
2181         if (ret < 0)
2182                 return ret;
2183         expected_entries = (unsigned int)ret;
2184
2185         /* Return max number of stats if no ids given */
2186         if (!ids) {
2187                 if (!xstats_names)
2188                         return expected_entries;
2189                 else if (xstats_names && size < expected_entries)
2190                         return expected_entries;
2191         }
2192
2193         if (ids && !xstats_names)
2194                 return -EINVAL;
2195
2196         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2197                 uint64_t ids_copy[size];
2198
2199                 for (i = 0; i < size; i++) {
2200                         if (ids[i] < basic_count) {
2201                                 no_basic_stat_requested = 0;
2202                                 break;
2203                         }
2204
2205                         /*
2206                          * Convert ids to xstats ids that PMD knows.
2207                          * ids known by user are basic + extended stats.
2208                          */
2209                         ids_copy[i] = ids[i] - basic_count;
2210                 }
2211
2212                 if (no_basic_stat_requested)
2213                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2214                                         xstats_names, ids_copy, size);
2215         }
2216
2217         /* Retrieve all stats */
2218         if (!ids) {
2219                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2220                                 expected_entries);
2221                 if (num_stats < 0 || num_stats > (int)expected_entries)
2222                         return num_stats;
2223                 else
2224                         return expected_entries;
2225         }
2226
2227         xstats_names_copy = calloc(expected_entries,
2228                 sizeof(struct rte_eth_xstat_name));
2229
2230         if (!xstats_names_copy) {
2231                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2232                 return -ENOMEM;
2233         }
2234
2235         if (ids) {
2236                 for (i = 0; i < size; i++) {
2237                         if (ids[i] >= basic_count) {
2238                                 no_ext_stat_requested = 0;
2239                                 break;
2240                         }
2241                 }
2242         }
2243
2244         /* Fill xstats_names_copy structure */
2245         if (ids && no_ext_stat_requested) {
2246                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2247         } else {
2248                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2249                         expected_entries);
2250                 if (ret < 0) {
2251                         free(xstats_names_copy);
2252                         return ret;
2253                 }
2254         }
2255
2256         /* Filter stats */
2257         for (i = 0; i < size; i++) {
2258                 if (ids[i] >= expected_entries) {
2259                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2260                         free(xstats_names_copy);
2261                         return -1;
2262                 }
2263                 xstats_names[i] = xstats_names_copy[ids[i]];
2264         }
2265
2266         free(xstats_names_copy);
2267         return size;
2268 }
2269
2270 int
2271 rte_eth_xstats_get_names(uint16_t port_id,
2272         struct rte_eth_xstat_name *xstats_names,
2273         unsigned int size)
2274 {
2275         struct rte_eth_dev *dev;
2276         int cnt_used_entries;
2277         int cnt_expected_entries;
2278         int cnt_driver_entries;
2279
2280         cnt_expected_entries = get_xstats_count(port_id);
2281         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2282                         (int)size < cnt_expected_entries)
2283                 return cnt_expected_entries;
2284
2285         /* port_id checked in get_xstats_count() */
2286         dev = &rte_eth_devices[port_id];
2287
2288         cnt_used_entries = rte_eth_basic_stats_get_names(
2289                 dev, xstats_names);
2290
2291         if (dev->dev_ops->xstats_get_names != NULL) {
2292                 /* If there are any driver-specific xstats, append them
2293                  * to end of list.
2294                  */
2295                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2296                         dev,
2297                         xstats_names + cnt_used_entries,
2298                         size - cnt_used_entries);
2299                 if (cnt_driver_entries < 0)
2300                         return eth_err(port_id, cnt_driver_entries);
2301                 cnt_used_entries += cnt_driver_entries;
2302         }
2303
2304         return cnt_used_entries;
2305 }
2306
2307
2308 static int
2309 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2310 {
2311         struct rte_eth_dev *dev;
2312         struct rte_eth_stats eth_stats;
2313         unsigned int count = 0, i, q;
2314         uint64_t val, *stats_ptr;
2315         uint16_t nb_rxqs, nb_txqs;
2316         int ret;
2317
2318         ret = rte_eth_stats_get(port_id, &eth_stats);
2319         if (ret < 0)
2320                 return ret;
2321
2322         dev = &rte_eth_devices[port_id];
2323
2324         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2325         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2326
2327         /* global stats */
2328         for (i = 0; i < RTE_NB_STATS; i++) {
2329                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2330                                         rte_stats_strings[i].offset);
2331                 val = *stats_ptr;
2332                 xstats[count++].value = val;
2333         }
2334
2335         /* per-rxq stats */
2336         for (q = 0; q < nb_rxqs; q++) {
2337                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2338                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2339                                         rte_rxq_stats_strings[i].offset +
2340                                         q * sizeof(uint64_t));
2341                         val = *stats_ptr;
2342                         xstats[count++].value = val;
2343                 }
2344         }
2345
2346         /* per-txq stats */
2347         for (q = 0; q < nb_txqs; q++) {
2348                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2349                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2350                                         rte_txq_stats_strings[i].offset +
2351                                         q * sizeof(uint64_t));
2352                         val = *stats_ptr;
2353                         xstats[count++].value = val;
2354                 }
2355         }
2356         return count;
2357 }
2358
2359 /* retrieve ethdev extended statistics */
2360 int
2361 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2362                          uint64_t *values, unsigned int size)
2363 {
2364         unsigned int no_basic_stat_requested = 1;
2365         unsigned int no_ext_stat_requested = 1;
2366         unsigned int num_xstats_filled;
2367         unsigned int basic_count;
2368         uint16_t expected_entries;
2369         struct rte_eth_dev *dev;
2370         unsigned int i;
2371         int ret;
2372
2373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2374         ret = get_xstats_count(port_id);
2375         if (ret < 0)
2376                 return ret;
2377         expected_entries = (uint16_t)ret;
2378         struct rte_eth_xstat xstats[expected_entries];
2379         dev = &rte_eth_devices[port_id];
2380         basic_count = get_xstats_basic_count(dev);
2381
2382         /* Return max number of stats if no ids given */
2383         if (!ids) {
2384                 if (!values)
2385                         return expected_entries;
2386                 else if (values && size < expected_entries)
2387                         return expected_entries;
2388         }
2389
2390         if (ids && !values)
2391                 return -EINVAL;
2392
2393         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2394                 unsigned int basic_count = get_xstats_basic_count(dev);
2395                 uint64_t ids_copy[size];
2396
2397                 for (i = 0; i < size; i++) {
2398                         if (ids[i] < basic_count) {
2399                                 no_basic_stat_requested = 0;
2400                                 break;
2401                         }
2402
2403                         /*
2404                          * Convert ids to xstats ids that PMD knows.
2405                          * ids known by user are basic + extended stats.
2406                          */
2407                         ids_copy[i] = ids[i] - basic_count;
2408                 }
2409
2410                 if (no_basic_stat_requested)
2411                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2412                                         values, size);
2413         }
2414
2415         if (ids) {
2416                 for (i = 0; i < size; i++) {
2417                         if (ids[i] >= basic_count) {
2418                                 no_ext_stat_requested = 0;
2419                                 break;
2420                         }
2421                 }
2422         }
2423
2424         /* Fill the xstats structure */
2425         if (ids && no_ext_stat_requested)
2426                 ret = rte_eth_basic_stats_get(port_id, xstats);
2427         else
2428                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2429
2430         if (ret < 0)
2431                 return ret;
2432         num_xstats_filled = (unsigned int)ret;
2433
2434         /* Return all stats */
2435         if (!ids) {
2436                 for (i = 0; i < num_xstats_filled; i++)
2437                         values[i] = xstats[i].value;
2438                 return expected_entries;
2439         }
2440
2441         /* Filter stats */
2442         for (i = 0; i < size; i++) {
2443                 if (ids[i] >= expected_entries) {
2444                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2445                         return -1;
2446                 }
2447                 values[i] = xstats[ids[i]].value;
2448         }
2449         return size;
2450 }
2451
2452 int
2453 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2454         unsigned int n)
2455 {
2456         struct rte_eth_dev *dev;
2457         unsigned int count = 0, i;
2458         signed int xcount = 0;
2459         uint16_t nb_rxqs, nb_txqs;
2460         int ret;
2461
2462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2463
2464         dev = &rte_eth_devices[port_id];
2465
2466         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2467         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2468
2469         /* Return generic statistics */
2470         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2471                 (nb_txqs * RTE_NB_TXQ_STATS);
2472
2473         /* implemented by the driver */
2474         if (dev->dev_ops->xstats_get != NULL) {
2475                 /* Retrieve the xstats from the driver at the end of the
2476                  * xstats struct.
2477                  */
2478                 xcount = (*dev->dev_ops->xstats_get)(dev,
2479                                      xstats ? xstats + count : NULL,
2480                                      (n > count) ? n - count : 0);
2481
2482                 if (xcount < 0)
2483                         return eth_err(port_id, xcount);
2484         }
2485
2486         if (n < count + xcount || xstats == NULL)
2487                 return count + xcount;
2488
2489         /* now fill the xstats structure */
2490         ret = rte_eth_basic_stats_get(port_id, xstats);
2491         if (ret < 0)
2492                 return ret;
2493         count = ret;
2494
2495         for (i = 0; i < count; i++)
2496                 xstats[i].id = i;
2497         /* add an offset to driver-specific stats */
2498         for ( ; i < count + xcount; i++)
2499                 xstats[i].id += count;
2500
2501         return count + xcount;
2502 }
2503
2504 /* reset ethdev extended statistics */
2505 void
2506 rte_eth_xstats_reset(uint16_t port_id)
2507 {
2508         struct rte_eth_dev *dev;
2509
2510         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2511         dev = &rte_eth_devices[port_id];
2512
2513         /* implemented by the driver */
2514         if (dev->dev_ops->xstats_reset != NULL) {
2515                 (*dev->dev_ops->xstats_reset)(dev);
2516                 return;
2517         }
2518
2519         /* fallback to default */
2520         rte_eth_stats_reset(port_id);
2521 }
2522
2523 static int
2524 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2525                 uint8_t is_rx)
2526 {
2527         struct rte_eth_dev *dev;
2528
2529         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2530
2531         dev = &rte_eth_devices[port_id];
2532
2533         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2534
2535         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2536                 return -EINVAL;
2537
2538         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2539                 return -EINVAL;
2540
2541         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2542                 return -EINVAL;
2543
2544         return (*dev->dev_ops->queue_stats_mapping_set)
2545                         (dev, queue_id, stat_idx, is_rx);
2546 }
2547
2548
2549 int
2550 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2551                 uint8_t stat_idx)
2552 {
2553         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2554                                                 stat_idx, STAT_QMAP_TX));
2555 }
2556
2557
2558 int
2559 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2560                 uint8_t stat_idx)
2561 {
2562         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2563                                                 stat_idx, STAT_QMAP_RX));
2564 }
2565
2566 int
2567 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2568 {
2569         struct rte_eth_dev *dev;
2570
2571         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2572         dev = &rte_eth_devices[port_id];
2573
2574         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2575         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2576                                                         fw_version, fw_size));
2577 }
2578
2579 int
2580 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2581 {
2582         struct rte_eth_dev *dev;
2583         const struct rte_eth_desc_lim lim = {
2584                 .nb_max = UINT16_MAX,
2585                 .nb_min = 0,
2586                 .nb_align = 1,
2587                 .nb_seg_max = UINT16_MAX,
2588                 .nb_mtu_seg_max = UINT16_MAX,
2589         };
2590         int diag;
2591
2592         /*
2593          * Init dev_info before port_id check since caller does not have
2594          * return status and does not know if get is successful or not.
2595          */
2596         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2597
2598         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2599         dev = &rte_eth_devices[port_id];
2600
2601         dev_info->rx_desc_lim = lim;
2602         dev_info->tx_desc_lim = lim;
2603         dev_info->device = dev->device;
2604         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2605         dev_info->max_mtu = UINT16_MAX;
2606
2607         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2608         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2609         if (diag != 0) {
2610                 /* Cleanup already filled in device information */
2611                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2612                 return eth_err(port_id, diag);
2613         }
2614
2615         dev_info->driver_name = dev->device->driver->name;
2616         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2617         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2618
2619         dev_info->dev_flags = &dev->data->dev_flags;
2620
2621         return 0;
2622 }
2623
2624 int
2625 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2626                                  uint32_t *ptypes, int num)
2627 {
2628         int i, j;
2629         struct rte_eth_dev *dev;
2630         const uint32_t *all_ptypes;
2631
2632         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2633         dev = &rte_eth_devices[port_id];
2634         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2635         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2636
2637         if (!all_ptypes)
2638                 return 0;
2639
2640         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2641                 if (all_ptypes[i] & ptype_mask) {
2642                         if (j < num)
2643                                 ptypes[j] = all_ptypes[i];
2644                         j++;
2645                 }
2646
2647         return j;
2648 }
2649
2650 void
2651 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2652 {
2653         struct rte_eth_dev *dev;
2654
2655         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2656         dev = &rte_eth_devices[port_id];
2657         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2658 }
2659
2660
2661 int
2662 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2663 {
2664         struct rte_eth_dev *dev;
2665
2666         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2667
2668         dev = &rte_eth_devices[port_id];
2669         *mtu = dev->data->mtu;
2670         return 0;
2671 }
2672
2673 int
2674 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2675 {
2676         int ret;
2677         struct rte_eth_dev_info dev_info;
2678         struct rte_eth_dev *dev;
2679
2680         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2681         dev = &rte_eth_devices[port_id];
2682         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2683
2684         /*
2685          * Check if the device supports dev_infos_get, if it does not
2686          * skip min_mtu/max_mtu validation here as this requires values
2687          * that are populated within the call to rte_eth_dev_info_get()
2688          * which relies on dev->dev_ops->dev_infos_get.
2689          */
2690         if (*dev->dev_ops->dev_infos_get != NULL) {
2691                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2692                 if (ret != 0)
2693                         return ret;
2694
2695                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2696                         return -EINVAL;
2697         }
2698
2699         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2700         if (!ret)
2701                 dev->data->mtu = mtu;
2702
2703         return eth_err(port_id, ret);
2704 }
2705
2706 int
2707 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2708 {
2709         struct rte_eth_dev *dev;
2710         int ret;
2711
2712         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2713         dev = &rte_eth_devices[port_id];
2714         if (!(dev->data->dev_conf.rxmode.offloads &
2715               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2716                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2717                         port_id);
2718                 return -ENOSYS;
2719         }
2720
2721         if (vlan_id > 4095) {
2722                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2723                         port_id, vlan_id);
2724                 return -EINVAL;
2725         }
2726         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2727
2728         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2729         if (ret == 0) {
2730                 struct rte_vlan_filter_conf *vfc;
2731                 int vidx;
2732                 int vbit;
2733
2734                 vfc = &dev->data->vlan_filter_conf;
2735                 vidx = vlan_id / 64;
2736                 vbit = vlan_id % 64;
2737
2738                 if (on)
2739                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2740                 else
2741                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2742         }
2743
2744         return eth_err(port_id, ret);
2745 }
2746
2747 int
2748 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2749                                     int on)
2750 {
2751         struct rte_eth_dev *dev;
2752
2753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2754         dev = &rte_eth_devices[port_id];
2755         if (rx_queue_id >= dev->data->nb_rx_queues) {
2756                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2757                 return -EINVAL;
2758         }
2759
2760         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2761         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2762
2763         return 0;
2764 }
2765
2766 int
2767 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2768                                 enum rte_vlan_type vlan_type,
2769                                 uint16_t tpid)
2770 {
2771         struct rte_eth_dev *dev;
2772
2773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2774         dev = &rte_eth_devices[port_id];
2775         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2776
2777         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2778                                                                tpid));
2779 }
2780
2781 int
2782 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2783 {
2784         struct rte_eth_dev *dev;
2785         int ret = 0;
2786         int mask = 0;
2787         int cur, org = 0;
2788         uint64_t orig_offloads;
2789         uint64_t *dev_offloads;
2790
2791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792         dev = &rte_eth_devices[port_id];
2793
2794         /* save original values in case of failure */
2795         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2796         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2797
2798         /*check which option changed by application*/
2799         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2800         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2801         if (cur != org) {
2802                 if (cur)
2803                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2804                 else
2805                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2806                 mask |= ETH_VLAN_STRIP_MASK;
2807         }
2808
2809         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2810         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2811         if (cur != org) {
2812                 if (cur)
2813                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2814                 else
2815                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2816                 mask |= ETH_VLAN_FILTER_MASK;
2817         }
2818
2819         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2820         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2821         if (cur != org) {
2822                 if (cur)
2823                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2824                 else
2825                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2826                 mask |= ETH_VLAN_EXTEND_MASK;
2827         }
2828
2829         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2830         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2831         if (cur != org) {
2832                 if (cur)
2833                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2834                 else
2835                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2836                 mask |= ETH_QINQ_STRIP_MASK;
2837         }
2838
2839         /*no change*/
2840         if (mask == 0)
2841                 return ret;
2842
2843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2844         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2845         if (ret) {
2846                 /* hit an error restore  original values */
2847                 *dev_offloads = orig_offloads;
2848         }
2849
2850         return eth_err(port_id, ret);
2851 }
2852
2853 int
2854 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2855 {
2856         struct rte_eth_dev *dev;
2857         uint64_t *dev_offloads;
2858         int ret = 0;
2859
2860         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2861         dev = &rte_eth_devices[port_id];
2862         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2863
2864         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2865                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2866
2867         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2868                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2869
2870         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2871                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2872
2873         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2874                 ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
2875
2876         return ret;
2877 }
2878
2879 int
2880 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2881 {
2882         struct rte_eth_dev *dev;
2883
2884         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2885         dev = &rte_eth_devices[port_id];
2886         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2887
2888         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2889 }
2890
2891 int
2892 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2893 {
2894         struct rte_eth_dev *dev;
2895
2896         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2897         dev = &rte_eth_devices[port_id];
2898         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2899         memset(fc_conf, 0, sizeof(*fc_conf));
2900         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2901 }
2902
2903 int
2904 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2905 {
2906         struct rte_eth_dev *dev;
2907
2908         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2909         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2910                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2911                 return -EINVAL;
2912         }
2913
2914         dev = &rte_eth_devices[port_id];
2915         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2916         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2917 }
2918
2919 int
2920 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2921                                    struct rte_eth_pfc_conf *pfc_conf)
2922 {
2923         struct rte_eth_dev *dev;
2924
2925         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2926         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2927                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2928                 return -EINVAL;
2929         }
2930
2931         dev = &rte_eth_devices[port_id];
2932         /* High water, low water validation are device specific */
2933         if  (*dev->dev_ops->priority_flow_ctrl_set)
2934                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2935                                         (dev, pfc_conf));
2936         return -ENOTSUP;
2937 }
2938
2939 static int
2940 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2941                         uint16_t reta_size)
2942 {
2943         uint16_t i, num;
2944
2945         if (!reta_conf)
2946                 return -EINVAL;
2947
2948         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2949         for (i = 0; i < num; i++) {
2950                 if (reta_conf[i].mask)
2951                         return 0;
2952         }
2953
2954         return -EINVAL;
2955 }
2956
2957 static int
2958 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2959                          uint16_t reta_size,
2960                          uint16_t max_rxq)
2961 {
2962         uint16_t i, idx, shift;
2963
2964         if (!reta_conf)
2965                 return -EINVAL;
2966
2967         if (max_rxq == 0) {
2968                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2969                 return -EINVAL;
2970         }
2971
2972         for (i = 0; i < reta_size; i++) {
2973                 idx = i / RTE_RETA_GROUP_SIZE;
2974                 shift = i % RTE_RETA_GROUP_SIZE;
2975                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2976                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2977                         RTE_ETHDEV_LOG(ERR,
2978                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2979                                 idx, shift,
2980                                 reta_conf[idx].reta[shift], max_rxq);
2981                         return -EINVAL;
2982                 }
2983         }
2984
2985         return 0;
2986 }
2987
2988 int
2989 rte_eth_dev_rss_reta_update(uint16_t port_id,
2990                             struct rte_eth_rss_reta_entry64 *reta_conf,
2991                             uint16_t reta_size)
2992 {
2993         struct rte_eth_dev *dev;
2994         int ret;
2995
2996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2997         /* Check mask bits */
2998         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2999         if (ret < 0)
3000                 return ret;
3001
3002         dev = &rte_eth_devices[port_id];
3003
3004         /* Check entry value */
3005         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3006                                 dev->data->nb_rx_queues);
3007         if (ret < 0)
3008                 return ret;
3009
3010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3011         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3012                                                              reta_size));
3013 }
3014
3015 int
3016 rte_eth_dev_rss_reta_query(uint16_t port_id,
3017                            struct rte_eth_rss_reta_entry64 *reta_conf,
3018                            uint16_t reta_size)
3019 {
3020         struct rte_eth_dev *dev;
3021         int ret;
3022
3023         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3024
3025         /* Check mask bits */
3026         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3027         if (ret < 0)
3028                 return ret;
3029
3030         dev = &rte_eth_devices[port_id];
3031         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3032         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3033                                                             reta_size));
3034 }
3035
3036 int
3037 rte_eth_dev_rss_hash_update(uint16_t port_id,
3038                             struct rte_eth_rss_conf *rss_conf)
3039 {
3040         struct rte_eth_dev *dev;
3041         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3042         int ret;
3043
3044         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3045
3046         ret = rte_eth_dev_info_get(port_id, &dev_info);
3047         if (ret != 0)
3048                 return ret;
3049
3050         dev = &rte_eth_devices[port_id];
3051         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3052             dev_info.flow_type_rss_offloads) {
3053                 RTE_ETHDEV_LOG(ERR,
3054                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3055                         port_id, rss_conf->rss_hf,
3056                         dev_info.flow_type_rss_offloads);
3057                 return -EINVAL;
3058         }
3059         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3060         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3061                                                                  rss_conf));
3062 }
3063
3064 int
3065 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3066                               struct rte_eth_rss_conf *rss_conf)
3067 {
3068         struct rte_eth_dev *dev;
3069
3070         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3071         dev = &rte_eth_devices[port_id];
3072         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3073         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3074                                                                    rss_conf));
3075 }
3076
3077 int
3078 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3079                                 struct rte_eth_udp_tunnel *udp_tunnel)
3080 {
3081         struct rte_eth_dev *dev;
3082
3083         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3084         if (udp_tunnel == NULL) {
3085                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3086                 return -EINVAL;
3087         }
3088
3089         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3090                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3091                 return -EINVAL;
3092         }
3093
3094         dev = &rte_eth_devices[port_id];
3095         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3096         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3097                                                                 udp_tunnel));
3098 }
3099
3100 int
3101 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3102                                    struct rte_eth_udp_tunnel *udp_tunnel)
3103 {
3104         struct rte_eth_dev *dev;
3105
3106         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3107         dev = &rte_eth_devices[port_id];
3108
3109         if (udp_tunnel == NULL) {
3110                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3111                 return -EINVAL;
3112         }
3113
3114         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3115                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3116                 return -EINVAL;
3117         }
3118
3119         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3120         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3121                                                                 udp_tunnel));
3122 }
3123
3124 int
3125 rte_eth_led_on(uint16_t port_id)
3126 {
3127         struct rte_eth_dev *dev;
3128
3129         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3130         dev = &rte_eth_devices[port_id];
3131         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3132         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3133 }
3134
3135 int
3136 rte_eth_led_off(uint16_t port_id)
3137 {
3138         struct rte_eth_dev *dev;
3139
3140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3141         dev = &rte_eth_devices[port_id];
3142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3143         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3144 }
3145
3146 /*
3147  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3148  * an empty spot.
3149  */
3150 static int
3151 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3152 {
3153         struct rte_eth_dev_info dev_info;
3154         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3155         unsigned i;
3156         int ret;
3157
3158         ret = rte_eth_dev_info_get(port_id, &dev_info);
3159         if (ret != 0)
3160                 return -1;
3161
3162         for (i = 0; i < dev_info.max_mac_addrs; i++)
3163                 if (memcmp(addr, &dev->data->mac_addrs[i],
3164                                 RTE_ETHER_ADDR_LEN) == 0)
3165                         return i;
3166
3167         return -1;
3168 }
3169
3170 static const struct rte_ether_addr null_mac_addr;
3171
3172 int
3173 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3174                         uint32_t pool)
3175 {
3176         struct rte_eth_dev *dev;
3177         int index;
3178         uint64_t pool_mask;
3179         int ret;
3180
3181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3182         dev = &rte_eth_devices[port_id];
3183         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3184
3185         if (rte_is_zero_ether_addr(addr)) {
3186                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3187                         port_id);
3188                 return -EINVAL;
3189         }
3190         if (pool >= ETH_64_POOLS) {
3191                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3192                 return -EINVAL;
3193         }
3194
3195         index = get_mac_addr_index(port_id, addr);
3196         if (index < 0) {
3197                 index = get_mac_addr_index(port_id, &null_mac_addr);
3198                 if (index < 0) {
3199                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3200                                 port_id);
3201                         return -ENOSPC;
3202                 }
3203         } else {
3204                 pool_mask = dev->data->mac_pool_sel[index];
3205
3206                 /* Check if both MAC address and pool is already there, and do nothing */
3207                 if (pool_mask & (1ULL << pool))
3208                         return 0;
3209         }
3210
3211         /* Update NIC */
3212         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3213
3214         if (ret == 0) {
3215                 /* Update address in NIC data structure */
3216                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3217
3218                 /* Update pool bitmap in NIC data structure */
3219                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3220         }
3221
3222         return eth_err(port_id, ret);
3223 }
3224
3225 int
3226 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3227 {
3228         struct rte_eth_dev *dev;
3229         int index;
3230
3231         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3232         dev = &rte_eth_devices[port_id];
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3234
3235         index = get_mac_addr_index(port_id, addr);
3236         if (index == 0) {
3237                 RTE_ETHDEV_LOG(ERR,
3238                         "Port %u: Cannot remove default MAC address\n",
3239                         port_id);
3240                 return -EADDRINUSE;
3241         } else if (index < 0)
3242                 return 0;  /* Do nothing if address wasn't found */
3243
3244         /* Update NIC */
3245         (*dev->dev_ops->mac_addr_remove)(dev, index);
3246
3247         /* Update address in NIC data structure */
3248         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3249
3250         /* reset pool bitmap */
3251         dev->data->mac_pool_sel[index] = 0;
3252
3253         return 0;
3254 }
3255
3256 int
3257 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3258 {
3259         struct rte_eth_dev *dev;
3260         int ret;
3261
3262         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3263
3264         if (!rte_is_valid_assigned_ether_addr(addr))
3265                 return -EINVAL;
3266
3267         dev = &rte_eth_devices[port_id];
3268         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3269
3270         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3271         if (ret < 0)
3272                 return ret;
3273
3274         /* Update default address in NIC data structure */
3275         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3276
3277         return 0;
3278 }
3279
3280
3281 /*
3282  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3283  * an empty spot.
3284  */
3285 static int
3286 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3287 {
3288         struct rte_eth_dev_info dev_info;
3289         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3290         unsigned i;
3291         int ret;
3292
3293         ret = rte_eth_dev_info_get(port_id, &dev_info);
3294         if (ret != 0)
3295                 return -1;
3296
3297         if (!dev->data->hash_mac_addrs)
3298                 return -1;
3299
3300         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3301                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3302                         RTE_ETHER_ADDR_LEN) == 0)
3303                         return i;
3304
3305         return -1;
3306 }
3307
3308 int
3309 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3310                                 uint8_t on)
3311 {
3312         int index;
3313         int ret;
3314         struct rte_eth_dev *dev;
3315
3316         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3317
3318         dev = &rte_eth_devices[port_id];
3319         if (rte_is_zero_ether_addr(addr)) {
3320                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3321                         port_id);
3322                 return -EINVAL;
3323         }
3324
3325         index = get_hash_mac_addr_index(port_id, addr);
3326         /* Check if it's already there, and do nothing */
3327         if ((index >= 0) && on)
3328                 return 0;
3329
3330         if (index < 0) {
3331                 if (!on) {
3332                         RTE_ETHDEV_LOG(ERR,
3333                                 "Port %u: the MAC address was not set in UTA\n",
3334                                 port_id);
3335                         return -EINVAL;
3336                 }
3337
3338                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3339                 if (index < 0) {
3340                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3341                                 port_id);
3342                         return -ENOSPC;
3343                 }
3344         }
3345
3346         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3347         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3348         if (ret == 0) {
3349                 /* Update address in NIC data structure */
3350                 if (on)
3351                         rte_ether_addr_copy(addr,
3352                                         &dev->data->hash_mac_addrs[index]);
3353                 else
3354                         rte_ether_addr_copy(&null_mac_addr,
3355                                         &dev->data->hash_mac_addrs[index]);
3356         }
3357
3358         return eth_err(port_id, ret);
3359 }
3360
3361 int
3362 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3363 {
3364         struct rte_eth_dev *dev;
3365
3366         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3367
3368         dev = &rte_eth_devices[port_id];
3369
3370         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3371         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3372                                                                        on));
3373 }
3374
3375 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3376                                         uint16_t tx_rate)
3377 {
3378         struct rte_eth_dev *dev;
3379         struct rte_eth_dev_info dev_info;
3380         struct rte_eth_link link;
3381         int ret;
3382
3383         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3384
3385         ret = rte_eth_dev_info_get(port_id, &dev_info);
3386         if (ret != 0)
3387                 return ret;
3388
3389         dev = &rte_eth_devices[port_id];
3390         link = dev->data->dev_link;
3391
3392         if (queue_idx > dev_info.max_tx_queues) {
3393                 RTE_ETHDEV_LOG(ERR,
3394                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3395                         port_id, queue_idx);
3396                 return -EINVAL;
3397         }
3398
3399         if (tx_rate > link.link_speed) {
3400                 RTE_ETHDEV_LOG(ERR,
3401                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3402                         tx_rate, link.link_speed);
3403                 return -EINVAL;
3404         }
3405
3406         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3407         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3408                                                         queue_idx, tx_rate));
3409 }
3410
3411 int
3412 rte_eth_mirror_rule_set(uint16_t port_id,
3413                         struct rte_eth_mirror_conf *mirror_conf,
3414                         uint8_t rule_id, uint8_t on)
3415 {
3416         struct rte_eth_dev *dev;
3417
3418         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3419         if (mirror_conf->rule_type == 0) {
3420                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3421                 return -EINVAL;
3422         }
3423
3424         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3425                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3426                         ETH_64_POOLS - 1);
3427                 return -EINVAL;
3428         }
3429
3430         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3431              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3432             (mirror_conf->pool_mask == 0)) {
3433                 RTE_ETHDEV_LOG(ERR,
3434                         "Invalid mirror pool, pool mask can not be 0\n");
3435                 return -EINVAL;
3436         }
3437
3438         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3439             mirror_conf->vlan.vlan_mask == 0) {
3440                 RTE_ETHDEV_LOG(ERR,
3441                         "Invalid vlan mask, vlan mask can not be 0\n");
3442                 return -EINVAL;
3443         }
3444
3445         dev = &rte_eth_devices[port_id];
3446         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3447
3448         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3449                                                 mirror_conf, rule_id, on));
3450 }
3451
3452 int
3453 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3454 {
3455         struct rte_eth_dev *dev;
3456
3457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3458
3459         dev = &rte_eth_devices[port_id];
3460         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3461
3462         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3463                                                                    rule_id));
3464 }
3465
3466 RTE_INIT(eth_dev_init_cb_lists)
3467 {
3468         int i;
3469
3470         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3471                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3472 }
3473
3474 int
3475 rte_eth_dev_callback_register(uint16_t port_id,
3476                         enum rte_eth_event_type event,
3477                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3478 {
3479         struct rte_eth_dev *dev;
3480         struct rte_eth_dev_callback *user_cb;
3481         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3482         uint16_t last_port;
3483
3484         if (!cb_fn)
3485                 return -EINVAL;
3486
3487         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3488                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3489                 return -EINVAL;
3490         }
3491
3492         if (port_id == RTE_ETH_ALL) {
3493                 next_port = 0;
3494                 last_port = RTE_MAX_ETHPORTS - 1;
3495         } else {
3496                 next_port = last_port = port_id;
3497         }
3498
3499         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3500
3501         do {
3502                 dev = &rte_eth_devices[next_port];
3503
3504                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3505                         if (user_cb->cb_fn == cb_fn &&
3506                                 user_cb->cb_arg == cb_arg &&
3507                                 user_cb->event == event) {
3508                                 break;
3509                         }
3510                 }
3511
3512                 /* create a new callback. */
3513                 if (user_cb == NULL) {
3514                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3515                                 sizeof(struct rte_eth_dev_callback), 0);
3516                         if (user_cb != NULL) {
3517                                 user_cb->cb_fn = cb_fn;
3518                                 user_cb->cb_arg = cb_arg;
3519                                 user_cb->event = event;
3520                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3521                                                   user_cb, next);
3522                         } else {
3523                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3524                                 rte_eth_dev_callback_unregister(port_id, event,
3525                                                                 cb_fn, cb_arg);
3526                                 return -ENOMEM;
3527                         }
3528
3529                 }
3530         } while (++next_port <= last_port);
3531
3532         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3533         return 0;
3534 }
3535
3536 int
3537 rte_eth_dev_callback_unregister(uint16_t port_id,
3538                         enum rte_eth_event_type event,
3539                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3540 {
3541         int ret;
3542         struct rte_eth_dev *dev;
3543         struct rte_eth_dev_callback *cb, *next;
3544         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3545         uint16_t last_port;
3546
3547         if (!cb_fn)
3548                 return -EINVAL;
3549
3550         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3551                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3552                 return -EINVAL;
3553         }
3554
3555         if (port_id == RTE_ETH_ALL) {
3556                 next_port = 0;
3557                 last_port = RTE_MAX_ETHPORTS - 1;
3558         } else {
3559                 next_port = last_port = port_id;
3560         }
3561
3562         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3563
3564         do {
3565                 dev = &rte_eth_devices[next_port];
3566                 ret = 0;
3567                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3568                      cb = next) {
3569
3570                         next = TAILQ_NEXT(cb, next);
3571
3572                         if (cb->cb_fn != cb_fn || cb->event != event ||
3573                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3574                                 continue;
3575
3576                         /*
3577                          * if this callback is not executing right now,
3578                          * then remove it.
3579                          */
3580                         if (cb->active == 0) {
3581                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3582                                 rte_free(cb);
3583                         } else {
3584                                 ret = -EAGAIN;
3585                         }
3586                 }
3587         } while (++next_port <= last_port);
3588
3589         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3590         return ret;
3591 }
3592
3593 int
3594 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3595         enum rte_eth_event_type event, void *ret_param)
3596 {
3597         struct rte_eth_dev_callback *cb_lst;
3598         struct rte_eth_dev_callback dev_cb;
3599         int rc = 0;
3600
3601         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3602         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3603                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3604                         continue;
3605                 dev_cb = *cb_lst;
3606                 cb_lst->active = 1;
3607                 if (ret_param != NULL)
3608                         dev_cb.ret_param = ret_param;
3609
3610                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3611                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3612                                 dev_cb.cb_arg, dev_cb.ret_param);
3613                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3614                 cb_lst->active = 0;
3615         }
3616         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3617         return rc;
3618 }
3619
3620 void
3621 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3622 {
3623         if (dev == NULL)
3624                 return;
3625
3626         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3627
3628         dev->state = RTE_ETH_DEV_ATTACHED;
3629 }
3630
3631 int
3632 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3633 {
3634         uint32_t vec;
3635         struct rte_eth_dev *dev;
3636         struct rte_intr_handle *intr_handle;
3637         uint16_t qid;
3638         int rc;
3639
3640         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3641
3642         dev = &rte_eth_devices[port_id];
3643
3644         if (!dev->intr_handle) {
3645                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3646                 return -ENOTSUP;
3647         }
3648
3649         intr_handle = dev->intr_handle;
3650         if (!intr_handle->intr_vec) {
3651                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3652                 return -EPERM;
3653         }
3654
3655         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3656                 vec = intr_handle->intr_vec[qid];
3657                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3658                 if (rc && rc != -EEXIST) {
3659                         RTE_ETHDEV_LOG(ERR,
3660                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3661                                 port_id, qid, op, epfd, vec);
3662                 }
3663         }
3664
3665         return 0;
3666 }
3667
3668 int
3669 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3670 {
3671         struct rte_intr_handle *intr_handle;
3672         struct rte_eth_dev *dev;
3673         unsigned int efd_idx;
3674         uint32_t vec;
3675         int fd;
3676
3677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3678
3679         dev = &rte_eth_devices[port_id];
3680
3681         if (queue_id >= dev->data->nb_rx_queues) {
3682                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3683                 return -1;
3684         }
3685
3686         if (!dev->intr_handle) {
3687                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3688                 return -1;
3689         }
3690
3691         intr_handle = dev->intr_handle;
3692         if (!intr_handle->intr_vec) {
3693                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3694                 return -1;
3695         }
3696
3697         vec = intr_handle->intr_vec[queue_id];
3698         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3699                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3700         fd = intr_handle->efds[efd_idx];
3701
3702         return fd;
3703 }
3704
3705 const struct rte_memzone *
3706 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3707                          uint16_t queue_id, size_t size, unsigned align,
3708                          int socket_id)
3709 {
3710         char z_name[RTE_MEMZONE_NAMESIZE];
3711         const struct rte_memzone *mz;
3712         int rc;
3713
3714         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3715                       dev->data->port_id, queue_id, ring_name);
3716         if (rc >= RTE_MEMZONE_NAMESIZE) {
3717                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3718                 rte_errno = ENAMETOOLONG;
3719                 return NULL;
3720         }
3721
3722         mz = rte_memzone_lookup(z_name);
3723         if (mz)
3724                 return mz;
3725
3726         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3727                         RTE_MEMZONE_IOVA_CONTIG, align);
3728 }
3729
3730 int
3731 rte_eth_dev_create(struct rte_device *device, const char *name,
3732         size_t priv_data_size,
3733         ethdev_bus_specific_init ethdev_bus_specific_init,
3734         void *bus_init_params,
3735         ethdev_init_t ethdev_init, void *init_params)
3736 {
3737         struct rte_eth_dev *ethdev;
3738         int retval;
3739
3740         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3741
3742         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3743                 ethdev = rte_eth_dev_allocate(name);
3744                 if (!ethdev)
3745                         return -ENODEV;
3746
3747                 if (priv_data_size) {
3748                         ethdev->data->dev_private = rte_zmalloc_socket(
3749                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3750                                 device->numa_node);
3751
3752                         if (!ethdev->data->dev_private) {
3753                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3754                                 retval = -ENOMEM;
3755                                 goto probe_failed;
3756                         }
3757                 }
3758         } else {
3759                 ethdev = rte_eth_dev_attach_secondary(name);
3760                 if (!ethdev) {
3761                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3762                                 "ethdev doesn't exist");
3763                         return  -ENODEV;
3764                 }
3765         }
3766
3767         ethdev->device = device;
3768
3769         if (ethdev_bus_specific_init) {
3770                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3771                 if (retval) {
3772                         RTE_LOG(ERR, EAL,
3773                                 "ethdev bus specific initialisation failed");
3774                         goto probe_failed;
3775                 }
3776         }
3777
3778         retval = ethdev_init(ethdev, init_params);
3779         if (retval) {
3780                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3781                 goto probe_failed;
3782         }
3783
3784         rte_eth_dev_probing_finish(ethdev);
3785
3786         return retval;
3787
3788 probe_failed:
3789         rte_eth_dev_release_port(ethdev);
3790         return retval;
3791 }
3792
3793 int
3794 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3795         ethdev_uninit_t ethdev_uninit)
3796 {
3797         int ret;
3798
3799         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3800         if (!ethdev)
3801                 return -ENODEV;
3802
3803         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3804
3805         ret = ethdev_uninit(ethdev);
3806         if (ret)
3807                 return ret;
3808
3809         return rte_eth_dev_release_port(ethdev);
3810 }
3811
3812 int
3813 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3814                           int epfd, int op, void *data)
3815 {
3816         uint32_t vec;
3817         struct rte_eth_dev *dev;
3818         struct rte_intr_handle *intr_handle;
3819         int rc;
3820
3821         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3822
3823         dev = &rte_eth_devices[port_id];
3824         if (queue_id >= dev->data->nb_rx_queues) {
3825                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3826                 return -EINVAL;
3827         }
3828
3829         if (!dev->intr_handle) {
3830                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3831                 return -ENOTSUP;
3832         }
3833
3834         intr_handle = dev->intr_handle;
3835         if (!intr_handle->intr_vec) {
3836                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3837                 return -EPERM;
3838         }
3839
3840         vec = intr_handle->intr_vec[queue_id];
3841         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3842         if (rc && rc != -EEXIST) {
3843                 RTE_ETHDEV_LOG(ERR,
3844                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3845                         port_id, queue_id, op, epfd, vec);
3846                 return rc;
3847         }
3848
3849         return 0;
3850 }
3851
3852 int
3853 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3854                            uint16_t queue_id)
3855 {
3856         struct rte_eth_dev *dev;
3857
3858         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3859
3860         dev = &rte_eth_devices[port_id];
3861
3862         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3863         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3864                                                                 queue_id));
3865 }
3866
3867 int
3868 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3869                             uint16_t queue_id)
3870 {
3871         struct rte_eth_dev *dev;
3872
3873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3874
3875         dev = &rte_eth_devices[port_id];
3876
3877         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3878         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3879                                                                 queue_id));
3880 }
3881
3882
3883 int
3884 rte_eth_dev_filter_supported(uint16_t port_id,
3885                              enum rte_filter_type filter_type)
3886 {
3887         struct rte_eth_dev *dev;
3888
3889         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3890
3891         dev = &rte_eth_devices[port_id];
3892         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3893         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3894                                 RTE_ETH_FILTER_NOP, NULL);
3895 }
3896
3897 int
3898 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3899                         enum rte_filter_op filter_op, void *arg)
3900 {
3901         struct rte_eth_dev *dev;
3902
3903         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3904
3905         dev = &rte_eth_devices[port_id];
3906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3907         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3908                                                              filter_op, arg));
3909 }
3910
3911 const struct rte_eth_rxtx_callback *
3912 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3913                 rte_rx_callback_fn fn, void *user_param)
3914 {
3915 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3916         rte_errno = ENOTSUP;
3917         return NULL;
3918 #endif
3919         /* check input parameters */
3920         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3921                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3922                 rte_errno = EINVAL;
3923                 return NULL;
3924         }
3925         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3926
3927         if (cb == NULL) {
3928                 rte_errno = ENOMEM;
3929                 return NULL;
3930         }
3931
3932         cb->fn.rx = fn;
3933         cb->param = user_param;
3934
3935         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3936         /* Add the callbacks in fifo order. */
3937         struct rte_eth_rxtx_callback *tail =
3938                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3939
3940         if (!tail) {
3941                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3942
3943         } else {
3944                 while (tail->next)
3945                         tail = tail->next;
3946                 tail->next = cb;
3947         }
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_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3955                 rte_rx_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_rx_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.rx = fn;
3976         cb->param = user_param;
3977
3978         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3979         /* Add the callbacks at fisrt position*/
3980         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3981         rte_smp_wmb();
3982         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3983         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3984
3985         return cb;
3986 }
3987
3988 const struct rte_eth_rxtx_callback *
3989 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3990                 rte_tx_callback_fn fn, void *user_param)
3991 {
3992 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3993         rte_errno = ENOTSUP;
3994         return NULL;
3995 #endif
3996         /* check input parameters */
3997         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3998                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3999                 rte_errno = EINVAL;
4000                 return NULL;
4001         }
4002
4003         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4004
4005         if (cb == NULL) {
4006                 rte_errno = ENOMEM;
4007                 return NULL;
4008         }
4009
4010         cb->fn.tx = fn;
4011         cb->param = user_param;
4012
4013         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4014         /* Add the callbacks in fifo order. */
4015         struct rte_eth_rxtx_callback *tail =
4016                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4017
4018         if (!tail) {
4019                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4020
4021         } else {
4022                 while (tail->next)
4023                         tail = tail->next;
4024                 tail->next = cb;
4025         }
4026         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4027
4028         return cb;
4029 }
4030
4031 int
4032 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4033                 const struct rte_eth_rxtx_callback *user_cb)
4034 {
4035 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4036         return -ENOTSUP;
4037 #endif
4038         /* Check input parameters. */
4039         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4040         if (user_cb == NULL ||
4041                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4042                 return -EINVAL;
4043
4044         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4045         struct rte_eth_rxtx_callback *cb;
4046         struct rte_eth_rxtx_callback **prev_cb;
4047         int ret = -EINVAL;
4048
4049         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4050         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4051         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4052                 cb = *prev_cb;
4053                 if (cb == user_cb) {
4054                         /* Remove the user cb from the callback list. */
4055                         *prev_cb = cb->next;
4056                         ret = 0;
4057                         break;
4058                 }
4059         }
4060         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4061
4062         return ret;
4063 }
4064
4065 int
4066 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4067                 const struct rte_eth_rxtx_callback *user_cb)
4068 {
4069 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4070         return -ENOTSUP;
4071 #endif
4072         /* Check input parameters. */
4073         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4074         if (user_cb == NULL ||
4075                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4076                 return -EINVAL;
4077
4078         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4079         int ret = -EINVAL;
4080         struct rte_eth_rxtx_callback *cb;
4081         struct rte_eth_rxtx_callback **prev_cb;
4082
4083         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4084         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4085         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4086                 cb = *prev_cb;
4087                 if (cb == user_cb) {
4088                         /* Remove the user cb from the callback list. */
4089                         *prev_cb = cb->next;
4090                         ret = 0;
4091                         break;
4092                 }
4093         }
4094         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4095
4096         return ret;
4097 }
4098
4099 int
4100 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4101         struct rte_eth_rxq_info *qinfo)
4102 {
4103         struct rte_eth_dev *dev;
4104
4105         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4106
4107         if (qinfo == NULL)
4108                 return -EINVAL;
4109
4110         dev = &rte_eth_devices[port_id];
4111         if (queue_id >= dev->data->nb_rx_queues) {
4112                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4113                 return -EINVAL;
4114         }
4115
4116         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4117
4118         memset(qinfo, 0, sizeof(*qinfo));
4119         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4120         return 0;
4121 }
4122
4123 int
4124 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4125         struct rte_eth_txq_info *qinfo)
4126 {
4127         struct rte_eth_dev *dev;
4128
4129         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4130
4131         if (qinfo == NULL)
4132                 return -EINVAL;
4133
4134         dev = &rte_eth_devices[port_id];
4135         if (queue_id >= dev->data->nb_tx_queues) {
4136                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4137                 return -EINVAL;
4138         }
4139
4140         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4141
4142         memset(qinfo, 0, sizeof(*qinfo));
4143         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4144
4145         return 0;
4146 }
4147
4148 int
4149 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4150                              struct rte_ether_addr *mc_addr_set,
4151                              uint32_t nb_mc_addr)
4152 {
4153         struct rte_eth_dev *dev;
4154
4155         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4156
4157         dev = &rte_eth_devices[port_id];
4158         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4159         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4160                                                 mc_addr_set, nb_mc_addr));
4161 }
4162
4163 int
4164 rte_eth_timesync_enable(uint16_t port_id)
4165 {
4166         struct rte_eth_dev *dev;
4167
4168         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4169         dev = &rte_eth_devices[port_id];
4170
4171         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4172         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4173 }
4174
4175 int
4176 rte_eth_timesync_disable(uint16_t port_id)
4177 {
4178         struct rte_eth_dev *dev;
4179
4180         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4181         dev = &rte_eth_devices[port_id];
4182
4183         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4184         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4185 }
4186
4187 int
4188 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4189                                    uint32_t flags)
4190 {
4191         struct rte_eth_dev *dev;
4192
4193         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4194         dev = &rte_eth_devices[port_id];
4195
4196         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4197         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4198                                 (dev, timestamp, flags));
4199 }
4200
4201 int
4202 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4203                                    struct timespec *timestamp)
4204 {
4205         struct rte_eth_dev *dev;
4206
4207         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4208         dev = &rte_eth_devices[port_id];
4209
4210         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4211         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4212                                 (dev, timestamp));
4213 }
4214
4215 int
4216 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4217 {
4218         struct rte_eth_dev *dev;
4219
4220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4221         dev = &rte_eth_devices[port_id];
4222
4223         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4224         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4225                                                                       delta));
4226 }
4227
4228 int
4229 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4230 {
4231         struct rte_eth_dev *dev;
4232
4233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4234         dev = &rte_eth_devices[port_id];
4235
4236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4237         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4238                                                                 timestamp));
4239 }
4240
4241 int
4242 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4243 {
4244         struct rte_eth_dev *dev;
4245
4246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4247         dev = &rte_eth_devices[port_id];
4248
4249         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4250         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4251                                                                 timestamp));
4252 }
4253
4254 int
4255 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4256 {
4257         struct rte_eth_dev *dev;
4258
4259         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4260         dev = &rte_eth_devices[port_id];
4261
4262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4263         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4264 }
4265
4266 int
4267 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4268 {
4269         struct rte_eth_dev *dev;
4270
4271         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4272
4273         dev = &rte_eth_devices[port_id];
4274         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4275         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4276 }
4277
4278 int
4279 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4280 {
4281         struct rte_eth_dev *dev;
4282
4283         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4284
4285         dev = &rte_eth_devices[port_id];
4286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4287         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4288 }
4289
4290 int
4291 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4292 {
4293         struct rte_eth_dev *dev;
4294
4295         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4296
4297         dev = &rte_eth_devices[port_id];
4298         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4299         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4300 }
4301
4302 int
4303 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4304 {
4305         struct rte_eth_dev *dev;
4306
4307         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4308
4309         dev = &rte_eth_devices[port_id];
4310         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4311         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4312 }
4313
4314 int
4315 rte_eth_dev_get_module_info(uint16_t port_id,
4316                             struct rte_eth_dev_module_info *modinfo)
4317 {
4318         struct rte_eth_dev *dev;
4319
4320         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4321
4322         dev = &rte_eth_devices[port_id];
4323         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4324         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4325 }
4326
4327 int
4328 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4329                               struct rte_dev_eeprom_info *info)
4330 {
4331         struct rte_eth_dev *dev;
4332
4333         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4334
4335         dev = &rte_eth_devices[port_id];
4336         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4337         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4338 }
4339
4340 int
4341 rte_eth_dev_get_dcb_info(uint16_t port_id,
4342                              struct rte_eth_dcb_info *dcb_info)
4343 {
4344         struct rte_eth_dev *dev;
4345
4346         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4347
4348         dev = &rte_eth_devices[port_id];
4349         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4350
4351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4352         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4353 }
4354
4355 int
4356 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4357                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4358 {
4359         struct rte_eth_dev *dev;
4360
4361         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4362         if (l2_tunnel == NULL) {
4363                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4364                 return -EINVAL;
4365         }
4366
4367         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4368                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4369                 return -EINVAL;
4370         }
4371
4372         dev = &rte_eth_devices[port_id];
4373         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4374                                 -ENOTSUP);
4375         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4376                                                                 l2_tunnel));
4377 }
4378
4379 int
4380 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4381                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4382                                   uint32_t mask,
4383                                   uint8_t en)
4384 {
4385         struct rte_eth_dev *dev;
4386
4387         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4388
4389         if (l2_tunnel == NULL) {
4390                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4391                 return -EINVAL;
4392         }
4393
4394         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4395                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4396                 return -EINVAL;
4397         }
4398
4399         if (mask == 0) {
4400                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4401                 return -EINVAL;
4402         }
4403
4404         dev = &rte_eth_devices[port_id];
4405         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4406                                 -ENOTSUP);
4407         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4408                                                         l2_tunnel, mask, en));
4409 }
4410
4411 static void
4412 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4413                            const struct rte_eth_desc_lim *desc_lim)
4414 {
4415         if (desc_lim->nb_align != 0)
4416                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4417
4418         if (desc_lim->nb_max != 0)
4419                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4420
4421         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4422 }
4423
4424 int
4425 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4426                                  uint16_t *nb_rx_desc,
4427                                  uint16_t *nb_tx_desc)
4428 {
4429         struct rte_eth_dev_info dev_info;
4430         int ret;
4431
4432         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4433
4434         ret = rte_eth_dev_info_get(port_id, &dev_info);
4435         if (ret != 0)
4436                 return ret;
4437
4438         if (nb_rx_desc != NULL)
4439                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4440
4441         if (nb_tx_desc != NULL)
4442                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4443
4444         return 0;
4445 }
4446
4447 int
4448 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4449 {
4450         struct rte_eth_dev *dev;
4451
4452         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4453
4454         if (pool == NULL)
4455                 return -EINVAL;
4456
4457         dev = &rte_eth_devices[port_id];
4458
4459         if (*dev->dev_ops->pool_ops_supported == NULL)
4460                 return 1; /* all pools are supported */
4461
4462         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4463 }
4464
4465 /**
4466  * A set of values to describe the possible states of a switch domain.
4467  */
4468 enum rte_eth_switch_domain_state {
4469         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4470         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4471 };
4472
4473 /**
4474  * Array of switch domains available for allocation. Array is sized to
4475  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4476  * ethdev ports in a single process.
4477  */
4478 static struct rte_eth_dev_switch {
4479         enum rte_eth_switch_domain_state state;
4480 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4481
4482 int
4483 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4484 {
4485         unsigned int i;
4486
4487         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4488
4489         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4490                 i < RTE_MAX_ETHPORTS; i++) {
4491                 if (rte_eth_switch_domains[i].state ==
4492                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4493                         rte_eth_switch_domains[i].state =
4494                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4495                         *domain_id = i;
4496                         return 0;
4497                 }
4498         }
4499
4500         return -ENOSPC;
4501 }
4502
4503 int
4504 rte_eth_switch_domain_free(uint16_t domain_id)
4505 {
4506         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4507                 domain_id >= RTE_MAX_ETHPORTS)
4508                 return -EINVAL;
4509
4510         if (rte_eth_switch_domains[domain_id].state !=
4511                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4512                 return -EINVAL;
4513
4514         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4515
4516         return 0;
4517 }
4518
4519 static int
4520 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4521 {
4522         int state;
4523         struct rte_kvargs_pair *pair;
4524         char *letter;
4525
4526         arglist->str = strdup(str_in);
4527         if (arglist->str == NULL)
4528                 return -ENOMEM;
4529
4530         letter = arglist->str;
4531         state = 0;
4532         arglist->count = 0;
4533         pair = &arglist->pairs[0];
4534         while (1) {
4535                 switch (state) {
4536                 case 0: /* Initial */
4537                         if (*letter == '=')
4538                                 return -EINVAL;
4539                         else if (*letter == '\0')
4540                                 return 0;
4541
4542                         state = 1;
4543                         pair->key = letter;
4544                         /* fall-thru */
4545
4546                 case 1: /* Parsing key */
4547                         if (*letter == '=') {
4548                                 *letter = '\0';
4549                                 pair->value = letter + 1;
4550                                 state = 2;
4551                         } else if (*letter == ',' || *letter == '\0')
4552                                 return -EINVAL;
4553                         break;
4554
4555
4556                 case 2: /* Parsing value */
4557                         if (*letter == '[')
4558                                 state = 3;
4559                         else if (*letter == ',') {
4560                                 *letter = '\0';
4561                                 arglist->count++;
4562                                 pair = &arglist->pairs[arglist->count];
4563                                 state = 0;
4564                         } else if (*letter == '\0') {
4565                                 letter--;
4566                                 arglist->count++;
4567                                 pair = &arglist->pairs[arglist->count];
4568                                 state = 0;
4569                         }
4570                         break;
4571
4572                 case 3: /* Parsing list */
4573                         if (*letter == ']')
4574                                 state = 2;
4575                         else if (*letter == '\0')
4576                                 return -EINVAL;
4577                         break;
4578                 }
4579                 letter++;
4580         }
4581 }
4582
4583 int
4584 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4585 {
4586         struct rte_kvargs args;
4587         struct rte_kvargs_pair *pair;
4588         unsigned int i;
4589         int result = 0;
4590
4591         memset(eth_da, 0, sizeof(*eth_da));
4592
4593         result = rte_eth_devargs_tokenise(&args, dargs);
4594         if (result < 0)
4595                 goto parse_cleanup;
4596
4597         for (i = 0; i < args.count; i++) {
4598                 pair = &args.pairs[i];
4599                 if (strcmp("representor", pair->key) == 0) {
4600                         result = rte_eth_devargs_parse_list(pair->value,
4601                                 rte_eth_devargs_parse_representor_ports,
4602                                 eth_da);
4603                         if (result < 0)
4604                                 goto parse_cleanup;
4605                 }
4606         }
4607
4608 parse_cleanup:
4609         if (args.str)
4610                 free(args.str);
4611
4612         return result;
4613 }
4614
4615 RTE_INIT(ethdev_init_log)
4616 {
4617         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4618         if (rte_eth_dev_logtype >= 0)
4619                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4620 }