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 #include <rte_ether.h>
  41
  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 };
 165
 166 #undef RTE_TX_OFFLOAD_BIT2STR
 167
 168 /**
 169  * The user application callback description.
 170  *
 171  * It contains callback address to be registered by user application,
 172  * the pointer to the parameters for callback, and the event type.
 173  */
 174 struct rte_eth_dev_callback {
 175         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 176         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 177         void *cb_arg;                           /**< Parameter for callback */
 178         void *ret_param;                        /**< Return parameter */
 179         enum rte_eth_event_type event;          /**< Interrupt event type */
 180         uint32_t active;                        /**< Callback is executing */
 181 };
 182
 183 enum {
 184         STAT_QMAP_TX = 0,
 185         STAT_QMAP_RX
 186 };
 187
 188 int
 189 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 190 {
 191         int ret;
 192         struct rte_devargs devargs = {.args = NULL};
 193         const char *bus_param_key;
 194         char *bus_str = NULL;
 195         char *cls_str = NULL;
 196         int str_size;
 197
 198         memset(iter, 0, sizeof(*iter));
 199
 200         /*
 201          * The devargs string may use various syntaxes:
 202          *   - 0000:08:00.0,representor=[1-3]
 203          *   - pci:0000:06:00.0,representor=[0,5]
 204          *   - class=eth,mac=00:11:22:33:44:55
 205          * A new syntax is in development (not yet supported):
 206          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 207          */
 208
 209         /*
 210          * Handle pure class filter (i.e. without any bus-level argument),
 211          * from future new syntax.
 212          * rte_devargs_parse() is not yet supporting the new syntax,
 213          * that's why this simple case is temporarily parsed here.
 214          */
 215 #define iter_anybus_str "class=eth,"
 216         if (strncmp(devargs_str, iter_anybus_str,
 217                         strlen(iter_anybus_str)) == 0) {
 218                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 219                 goto end;
 220         }
 221
 222         /* Split bus, device and parameters. */
 223         ret = rte_devargs_parse(&devargs, devargs_str);
 224         if (ret != 0)
 225                 goto error;
 226
 227         /*
 228          * Assume parameters of old syntax can match only at ethdev level.
 229          * Extra parameters will be ignored, thanks to "+" prefix.
 230          */
 231         str_size = strlen(devargs.args) + 2;
 232         cls_str = malloc(str_size);
 233         if (cls_str == NULL) {
 234                 ret = -ENOMEM;
 235                 goto error;
 236         }
 237         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 238         if (ret != str_size - 1) {
 239                 ret = -EINVAL;
 240                 goto error;
 241         }
 242         iter->cls_str = cls_str;
 243         free(devargs.args); /* allocated by rte_devargs_parse() */
 244         devargs.args = NULL;
 245
 246         iter->bus = devargs.bus;
 247         if (iter->bus->dev_iterate == NULL) {
 248                 ret = -ENOTSUP;
 249                 goto error;
 250         }
 251
 252         /* Convert bus args to new syntax for use with new API dev_iterate. */
 253         if (strcmp(iter->bus->name, "vdev") == 0) {
 254                 bus_param_key = "name";
 255         } else if (strcmp(iter->bus->name, "pci") == 0) {
 256                 bus_param_key = "addr";
 257         } else {
 258                 ret = -ENOTSUP;
 259                 goto error;
 260         }
 261         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 262         bus_str = malloc(str_size);
 263         if (bus_str == NULL) {
 264                 ret = -ENOMEM;
 265                 goto error;
 266         }
 267         ret = snprintf(bus_str, str_size, "%s=%s",
 268                         bus_param_key, devargs.name);
 269         if (ret != str_size - 1) {
 270                 ret = -EINVAL;
 271                 goto error;
 272         }
 273         iter->bus_str = bus_str;
 274
 275 end:
 276         iter->cls = rte_class_find_by_name("eth");
 277         return 0;
 278
 279 error:
 280         if (ret == -ENOTSUP)
 281                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 282                                 iter->bus->name);
 283         free(devargs.args);
 284         free(bus_str);
 285         free(cls_str);
 286         return ret;
 287 }
 288
 289 uint16_t
 290 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 291 {
 292         if (iter->cls == NULL) /* invalid ethdev iterator */
 293                 return RTE_MAX_ETHPORTS;
 294
 295         do { /* loop to try all matching rte_device */
 296                 /* If not pure ethdev filter and */
 297                 if (iter->bus != NULL &&
 298                                 /* not in middle of rte_eth_dev iteration, */
 299                                 iter->class_device == NULL) {
 300                         /* get next rte_device to try. */
 301                         iter->device = iter->bus->dev_iterate(
 302                                         iter->device, iter->bus_str, iter);
 303                         if (iter->device == NULL)
 304                                 break; /* no more rte_device candidate */
 305                 }
 306                 /* A device is matching bus part, need to check ethdev part. */
 307                 iter->class_device = iter->cls->dev_iterate(
 308                                 iter->class_device, iter->cls_str, iter);
 309                 if (iter->class_device != NULL)
 310                         return eth_dev_to_id(iter->class_device); /* match */
 311         } while (iter->bus != NULL); /* need to try next rte_device */
 312
 313         /* No more ethdev port to iterate. */
 314         rte_eth_iterator_cleanup(iter);
 315         return RTE_MAX_ETHPORTS;
 316 }
 317
 318 void
 319 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 320 {
 321         if (iter->bus_str == NULL)
 322                 return; /* nothing to free in pure class filter */
 323         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 324         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 325         memset(iter, 0, sizeof(*iter));
 326 }
 327
 328 uint16_t
 329 rte_eth_find_next(uint16_t port_id)
 330 {
 331         while (port_id < RTE_MAX_ETHPORTS &&
 332                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 333                 port_id++;
 334
 335         if (port_id >= RTE_MAX_ETHPORTS)
 336                 return RTE_MAX_ETHPORTS;
 337
 338         return port_id;
 339 }
 340
 341 /*
 342  * Macro to iterate over all valid ports for internal usage.
 343  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 344  */
 345 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 346         for (port_id = rte_eth_find_next(0); \
 347              port_id < RTE_MAX_ETHPORTS; \
 348              port_id = rte_eth_find_next(port_id + 1))
 349
 350 uint16_t
 351 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 352 {
 353         port_id = rte_eth_find_next(port_id);
 354         while (port_id < RTE_MAX_ETHPORTS &&
 355                         rte_eth_devices[port_id].device != parent)
 356                 port_id = rte_eth_find_next(port_id + 1);
 357
 358         return port_id;
 359 }
 360
 361 uint16_t
 362 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 363 {
 364         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 365         return rte_eth_find_next_of(port_id,
 366                         rte_eth_devices[ref_port_id].device);
 367 }
 368
 369 static void
 370 rte_eth_dev_shared_data_prepare(void)
 371 {
 372         const unsigned flags = 0;
 373         const struct rte_memzone *mz;
 374
 375         rte_spinlock_lock(&rte_eth_shared_data_lock);
 376
 377         if (rte_eth_dev_shared_data == NULL) {
 378                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 379                         /* Allocate port data and ownership shared memory. */
 380                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 381                                         sizeof(*rte_eth_dev_shared_data),
 382                                         rte_socket_id(), flags);
 383                 } else
 384                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 385                 if (mz == NULL)
 386                         rte_panic("Cannot allocate ethdev shared data\n");
 387
 388                 rte_eth_dev_shared_data = mz->addr;
 389                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 390                         rte_eth_dev_shared_data->next_owner_id =
 391                                         RTE_ETH_DEV_NO_OWNER + 1;
 392                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 393                         memset(rte_eth_dev_shared_data->data, 0,
 394                                sizeof(rte_eth_dev_shared_data->data));
 395                 }
 396         }
 397
 398         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 399 }
 400
 401 static bool
 402 is_allocated(const struct rte_eth_dev *ethdev)
 403 {
 404         return ethdev->data->name[0] != '\0';
 405 }
 406
 407 static struct rte_eth_dev *
 408 _rte_eth_dev_allocated(const char *name)
 409 {
 410         unsigned i;
 411
 412         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 413                 if (rte_eth_devices[i].data != NULL &&
 414                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 415                         return &rte_eth_devices[i];
 416         }
 417         return NULL;
 418 }
 419
 420 struct rte_eth_dev *
 421 rte_eth_dev_allocated(const char *name)
 422 {
 423         struct rte_eth_dev *ethdev;
 424
 425         rte_eth_dev_shared_data_prepare();
 426
 427         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 428
 429         ethdev = _rte_eth_dev_allocated(name);
 430
 431         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 432
 433         return ethdev;
 434 }
 435
 436 static uint16_t
 437 rte_eth_dev_find_free_port(void)
 438 {
 439         unsigned i;
 440
 441         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 442                 /* Using shared name field to find a free port. */
 443                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 444                         RTE_ASSERT(rte_eth_devices[i].state ==
 445                                    RTE_ETH_DEV_UNUSED);
 446                         return i;
 447                 }
 448         }
 449         return RTE_MAX_ETHPORTS;
 450 }
 451
 452 static struct rte_eth_dev *
 453 eth_dev_get(uint16_t port_id)
 454 {
 455         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 456
 457         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 458
 459         return eth_dev;
 460 }
 461
 462 struct rte_eth_dev *
 463 rte_eth_dev_allocate(const char *name)
 464 {
 465         uint16_t port_id;
 466         struct rte_eth_dev *eth_dev = NULL;
 467         size_t name_len;
 468
 469         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 470         if (name_len == 0) {
 471                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 472                 return NULL;
 473         }
 474
 475         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 476                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 477                 return NULL;
 478         }
 479
 480         rte_eth_dev_shared_data_prepare();
 481
 482         /* Synchronize port creation between primary and secondary threads. */
 483         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 484
 485         if (_rte_eth_dev_allocated(name) != NULL) {
 486                 RTE_ETHDEV_LOG(ERR,
 487                         "Ethernet device with name %s already allocated\n",
 488                         name);
 489                 goto unlock;
 490         }
 491
 492         port_id = rte_eth_dev_find_free_port();
 493         if (port_id == RTE_MAX_ETHPORTS) {
 494                 RTE_ETHDEV_LOG(ERR,
 495                         "Reached maximum number of Ethernet ports\n");
 496                 goto unlock;
 497         }
 498
 499         eth_dev = eth_dev_get(port_id);
 500         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 501         eth_dev->data->port_id = port_id;
 502         eth_dev->data->mtu = RTE_ETHER_MTU;
 503
 504 unlock:
 505         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 506
 507         return eth_dev;
 508 }
 509
 510 /*
 511  * Attach to a port already registered by the primary process, which
 512  * makes sure that the same device would have the same port id both
 513  * in the primary and secondary process.
 514  */
 515 struct rte_eth_dev *
 516 rte_eth_dev_attach_secondary(const char *name)
 517 {
 518         uint16_t i;
 519         struct rte_eth_dev *eth_dev = NULL;
 520
 521         rte_eth_dev_shared_data_prepare();
 522
 523         /* Synchronize port attachment to primary port creation and release. */
 524         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 525
 526         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 527                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 528                         break;
 529         }
 530         if (i == RTE_MAX_ETHPORTS) {
 531                 RTE_ETHDEV_LOG(ERR,
 532                         "Device %s is not driven by the primary process\n",
 533                         name);
 534         } else {
 535                 eth_dev = eth_dev_get(i);
 536                 RTE_ASSERT(eth_dev->data->port_id == i);
 537         }
 538
 539         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 540         return eth_dev;
 541 }
 542
 543 int
 544 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 545 {
 546         if (eth_dev == NULL)
 547                 return -EINVAL;
 548
 549         rte_eth_dev_shared_data_prepare();
 550
 551         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 552                 _rte_eth_dev_callback_process(eth_dev,
 553                                 RTE_ETH_EVENT_DESTROY, NULL);
 554
 555         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 556
 557         eth_dev->state = RTE_ETH_DEV_UNUSED;
 558
 559         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 560                 rte_free(eth_dev->data->rx_queues);
 561                 rte_free(eth_dev->data->tx_queues);
 562                 rte_free(eth_dev->data->mac_addrs);
 563                 rte_free(eth_dev->data->hash_mac_addrs);
 564                 rte_free(eth_dev->data->dev_private);
 565                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 566         }
 567
 568         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 569
 570         return 0;
 571 }
 572
 573 int
 574 rte_eth_dev_is_valid_port(uint16_t port_id)
 575 {
 576         if (port_id >= RTE_MAX_ETHPORTS ||
 577             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 578                 return 0;
 579         else
 580                 return 1;
 581 }
 582
 583 static int
 584 rte_eth_is_valid_owner_id(uint64_t owner_id)
 585 {
 586         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 587             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 588                 return 0;
 589         return 1;
 590 }
 591
 592 uint64_t
 593 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 594 {
 595         port_id = rte_eth_find_next(port_id);
 596         while (port_id < RTE_MAX_ETHPORTS &&
 597                         rte_eth_devices[port_id].data->owner.id != owner_id)
 598                 port_id = rte_eth_find_next(port_id + 1);
 599
 600         return port_id;
 601 }
 602
 603 int
 604 rte_eth_dev_owner_new(uint64_t *owner_id)
 605 {
 606         rte_eth_dev_shared_data_prepare();
 607
 608         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 609
 610         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 611
 612         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 613         return 0;
 614 }
 615
 616 static int
 617 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 618                        const struct rte_eth_dev_owner *new_owner)
 619 {
 620         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 621         struct rte_eth_dev_owner *port_owner;
 622
 623         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 624                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 625                         port_id);
 626                 return -ENODEV;
 627         }
 628
 629         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 630             !rte_eth_is_valid_owner_id(old_owner_id)) {
 631                 RTE_ETHDEV_LOG(ERR,
 632                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 633                        old_owner_id, new_owner->id);
 634                 return -EINVAL;
 635         }
 636
 637         port_owner = &rte_eth_devices[port_id].data->owner;
 638         if (port_owner->id != old_owner_id) {
 639                 RTE_ETHDEV_LOG(ERR,
 640                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 641                         port_id, port_owner->name, port_owner->id);
 642                 return -EPERM;
 643         }
 644
 645         /* can not truncate (same structure) */
 646         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 647
 648         port_owner->id = new_owner->id;
 649
 650         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 651                 port_id, new_owner->name, new_owner->id);
 652
 653         return 0;
 654 }
 655
 656 int
 657 rte_eth_dev_owner_set(const uint16_t port_id,
 658                       const struct rte_eth_dev_owner *owner)
 659 {
 660         int ret;
 661
 662         rte_eth_dev_shared_data_prepare();
 663
 664         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 665
 666         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 667
 668         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 669         return ret;
 670 }
 671
 672 int
 673 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 674 {
 675         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 676                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 677         int ret;
 678
 679         rte_eth_dev_shared_data_prepare();
 680
 681         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 682
 683         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 684
 685         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 686         return ret;
 687 }
 688
 689 int
 690 rte_eth_dev_owner_delete(const uint64_t owner_id)
 691 {
 692         uint16_t port_id;
 693         int ret = 0;
 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                 ret = -EINVAL;
 712         }
 713
 714         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 715
 716         return ret;
 717 }
 718
 719 int
 720 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 721 {
 722         int ret = 0;
 723         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 724
 725         rte_eth_dev_shared_data_prepare();
 726
 727         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 728
 729         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 730                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 731                         port_id);
 732                 ret = -ENODEV;
 733         } else {
 734                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 735         }
 736
 737         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 738         return ret;
 739 }
 740
 741 int
 742 rte_eth_dev_socket_id(uint16_t port_id)
 743 {
 744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 745         return rte_eth_devices[port_id].data->numa_node;
 746 }
 747
 748 void *
 749 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 750 {
 751         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 752         return rte_eth_devices[port_id].security_ctx;
 753 }
 754
 755 uint16_t
 756 rte_eth_dev_count_avail(void)
 757 {
 758         uint16_t p;
 759         uint16_t count;
 760
 761         count = 0;
 762
 763         RTE_ETH_FOREACH_DEV(p)
 764                 count++;
 765
 766         return count;
 767 }
 768
 769 uint16_t
 770 rte_eth_dev_count_total(void)
 771 {
 772         uint16_t port, count = 0;
 773
 774         RTE_ETH_FOREACH_VALID_DEV(port)
 775                 count++;
 776
 777         return count;
 778 }
 779
 780 int
 781 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 782 {
 783         char *tmp;
 784
 785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 786
 787         if (name == NULL) {
 788                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 789                 return -EINVAL;
 790         }
 791
 792         /* shouldn't check 'rte_eth_devices[i].data',
 793          * because it might be overwritten by VDEV PMD */
 794         tmp = rte_eth_dev_shared_data->data[port_id].name;
 795         strcpy(name, tmp);
 796         return 0;
 797 }
 798
 799 int
 800 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 801 {
 802         uint32_t pid;
 803
 804         if (name == NULL) {
 805                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 806                 return -EINVAL;
 807         }
 808
 809         RTE_ETH_FOREACH_VALID_DEV(pid)
 810                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 811                         *port_id = pid;
 812                         return 0;
 813                 }
 814
 815         return -ENODEV;
 816 }
 817
 818 static int
 819 eth_err(uint16_t port_id, int ret)
 820 {
 821         if (ret == 0)
 822                 return 0;
 823         if (rte_eth_dev_is_removed(port_id))
 824                 return -EIO;
 825         return ret;
 826 }
 827
 828 static int
 829 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 830 {
 831         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 832         void **rxq;
 833         unsigned i;
 834
 835         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 836                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 837                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 838                                 RTE_CACHE_LINE_SIZE);
 839                 if (dev->data->rx_queues == NULL) {
 840                         dev->data->nb_rx_queues = 0;
 841                         return -(ENOMEM);
 842                 }
 843         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 844                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 845
 846                 rxq = dev->data->rx_queues;
 847
 848                 for (i = nb_queues; i < old_nb_queues; i++)
 849                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 850                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 851                                 RTE_CACHE_LINE_SIZE);
 852                 if (rxq == NULL)
 853                         return -(ENOMEM);
 854                 if (nb_queues > old_nb_queues) {
 855                         uint16_t new_qs = nb_queues - old_nb_queues;
 856
 857                         memset(rxq + old_nb_queues, 0,
 858                                 sizeof(rxq[0]) * new_qs);
 859                 }
 860
 861                 dev->data->rx_queues = rxq;
 862
 863         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 864                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 865
 866                 rxq = dev->data->rx_queues;
 867
 868                 for (i = nb_queues; i < old_nb_queues; i++)
 869                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 870
 871                 rte_free(dev->data->rx_queues);
 872                 dev->data->rx_queues = NULL;
 873         }
 874         dev->data->nb_rx_queues = nb_queues;
 875         return 0;
 876 }
 877
 878 int
 879 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 880 {
 881         struct rte_eth_dev *dev;
 882
 883         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 884
 885         dev = &rte_eth_devices[port_id];
 886         if (!dev->data->dev_started) {
 887                 RTE_ETHDEV_LOG(ERR,
 888                         "Port %u must be started before start any queue\n",
 889                         port_id);
 890                 return -EINVAL;
 891         }
 892
 893         if (rx_queue_id >= dev->data->nb_rx_queues) {
 894                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 895                 return -EINVAL;
 896         }
 897
 898         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 899
 900         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 901                 RTE_ETHDEV_LOG(INFO,
 902                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 903                         rx_queue_id, port_id);
 904                 return -EINVAL;
 905         }
 906
 907         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 908                 RTE_ETHDEV_LOG(INFO,
 909                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 910                         rx_queue_id, port_id);
 911                 return 0;
 912         }
 913
 914         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 915                                                              rx_queue_id));
 916
 917 }
 918
 919 int
 920 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 921 {
 922         struct rte_eth_dev *dev;
 923
 924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 925
 926         dev = &rte_eth_devices[port_id];
 927         if (rx_queue_id >= dev->data->nb_rx_queues) {
 928                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 929                 return -EINVAL;
 930         }
 931
 932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 933
 934         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 935                 RTE_ETHDEV_LOG(INFO,
 936                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 937                         rx_queue_id, port_id);
 938                 return -EINVAL;
 939         }
 940
 941         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 942                 RTE_ETHDEV_LOG(INFO,
 943                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 944                         rx_queue_id, port_id);
 945                 return 0;
 946         }
 947
 948         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 949
 950 }
 951
 952 int
 953 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 954 {
 955         struct rte_eth_dev *dev;
 956
 957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 958
 959         dev = &rte_eth_devices[port_id];
 960         if (!dev->data->dev_started) {
 961                 RTE_ETHDEV_LOG(ERR,
 962                         "Port %u must be started before start any queue\n",
 963                         port_id);
 964                 return -EINVAL;
 965         }
 966
 967         if (tx_queue_id >= dev->data->nb_tx_queues) {
 968                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 969                 return -EINVAL;
 970         }
 971
 972         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 973
 974         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
 975                 RTE_ETHDEV_LOG(INFO,
 976                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 977                         tx_queue_id, port_id);
 978                 return -EINVAL;
 979         }
 980
 981         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 982                 RTE_ETHDEV_LOG(INFO,
 983                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 984                         tx_queue_id, port_id);
 985                 return 0;
 986         }
 987
 988         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 989 }
 990
 991 int
 992 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 993 {
 994         struct rte_eth_dev *dev;
 995
 996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 997
 998         dev = &rte_eth_devices[port_id];
 999         if (tx_queue_id >= dev->data->nb_tx_queues) {
1000                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1001                 return -EINVAL;
1002         }
1003
1004         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1005
1006         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1007                 RTE_ETHDEV_LOG(INFO,
1008                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1009                         tx_queue_id, port_id);
1010                 return -EINVAL;
1011         }
1012
1013         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1014                 RTE_ETHDEV_LOG(INFO,
1015                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1016                         tx_queue_id, port_id);
1017                 return 0;
1018         }
1019
1020         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1021
1022 }
1023
1024 static int
1025 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1026 {
1027         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1028         void **txq;
1029         unsigned i;
1030
1031         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1032                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1033                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1034                                                    RTE_CACHE_LINE_SIZE);
1035                 if (dev->data->tx_queues == NULL) {
1036                         dev->data->nb_tx_queues = 0;
1037                         return -(ENOMEM);
1038                 }
1039         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1040                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1041
1042                 txq = dev->data->tx_queues;
1043
1044                 for (i = nb_queues; i < old_nb_queues; i++)
1045                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1046                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1047                                   RTE_CACHE_LINE_SIZE);
1048                 if (txq == NULL)
1049                         return -ENOMEM;
1050                 if (nb_queues > old_nb_queues) {
1051                         uint16_t new_qs = nb_queues - old_nb_queues;
1052
1053                         memset(txq + old_nb_queues, 0,
1054                                sizeof(txq[0]) * new_qs);
1055                 }
1056
1057                 dev->data->tx_queues = txq;
1058
1059         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1060                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1061
1062                 txq = dev->data->tx_queues;
1063
1064                 for (i = nb_queues; i < old_nb_queues; i++)
1065                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1066
1067                 rte_free(dev->data->tx_queues);
1068                 dev->data->tx_queues = NULL;
1069         }
1070         dev->data->nb_tx_queues = nb_queues;
1071         return 0;
1072 }
1073
1074 uint32_t
1075 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1076 {
1077         switch (speed) {
1078         case ETH_SPEED_NUM_10M:
1079                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1080         case ETH_SPEED_NUM_100M:
1081                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1082         case ETH_SPEED_NUM_1G:
1083                 return ETH_LINK_SPEED_1G;
1084         case ETH_SPEED_NUM_2_5G:
1085                 return ETH_LINK_SPEED_2_5G;
1086         case ETH_SPEED_NUM_5G:
1087                 return ETH_LINK_SPEED_5G;
1088         case ETH_SPEED_NUM_10G:
1089                 return ETH_LINK_SPEED_10G;
1090         case ETH_SPEED_NUM_20G:
1091                 return ETH_LINK_SPEED_20G;
1092         case ETH_SPEED_NUM_25G:
1093                 return ETH_LINK_SPEED_25G;
1094         case ETH_SPEED_NUM_40G:
1095                 return ETH_LINK_SPEED_40G;
1096         case ETH_SPEED_NUM_50G:
1097                 return ETH_LINK_SPEED_50G;
1098         case ETH_SPEED_NUM_56G:
1099                 return ETH_LINK_SPEED_56G;
1100         case ETH_SPEED_NUM_100G:
1101                 return ETH_LINK_SPEED_100G;
1102         default:
1103                 return 0;
1104         }
1105 }
1106
1107 const char *
1108 rte_eth_dev_rx_offload_name(uint64_t offload)
1109 {
1110         const char *name = "UNKNOWN";
1111         unsigned int i;
1112
1113         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1114                 if (offload == rte_rx_offload_names[i].offload) {
1115                         name = rte_rx_offload_names[i].name;
1116                         break;
1117                 }
1118         }
1119
1120         return name;
1121 }
1122
1123 const char *
1124 rte_eth_dev_tx_offload_name(uint64_t offload)
1125 {
1126         const char *name = "UNKNOWN";
1127         unsigned int i;
1128
1129         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1130                 if (offload == rte_tx_offload_names[i].offload) {
1131                         name = rte_tx_offload_names[i].name;
1132                         break;
1133                 }
1134         }
1135
1136         return name;
1137 }
1138
1139 int
1140 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1141                       const struct rte_eth_conf *dev_conf)
1142 {
1143         struct rte_eth_dev *dev;
1144         struct rte_eth_dev_info dev_info;
1145         struct rte_eth_conf orig_conf;
1146         int diag;
1147         int ret;
1148
1149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1150
1151         dev = &rte_eth_devices[port_id];
1152
1153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1154
1155         if (dev->data->dev_started) {
1156                 RTE_ETHDEV_LOG(ERR,
1157                         "Port %u must be stopped to allow configuration\n",
1158                         port_id);
1159                 return -EBUSY;
1160         }
1161
1162          /* Store original config, as rollback required on failure */
1163         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1164
1165         /*
1166          * Copy the dev_conf parameter into the dev structure.
1167          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1168          */
1169         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1170
1171         ret = rte_eth_dev_info_get(port_id, &dev_info);
1172         if (ret != 0)
1173                 goto rollback;
1174
1175         /* If number of queues specified by application for both Rx and Tx is
1176          * zero, use driver preferred values. This cannot be done individually
1177          * as it is valid for either Tx or Rx (but not both) to be zero.
1178          * If driver does not provide any preferred valued, fall back on
1179          * EAL defaults.
1180          */
1181         if (nb_rx_q == 0 && nb_tx_q == 0) {
1182                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1183                 if (nb_rx_q == 0)
1184                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1185                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1186                 if (nb_tx_q == 0)
1187                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1188         }
1189
1190         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1191                 RTE_ETHDEV_LOG(ERR,
1192                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1193                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1194                 ret = -EINVAL;
1195                 goto rollback;
1196         }
1197
1198         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1199                 RTE_ETHDEV_LOG(ERR,
1200                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1201                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1202                 ret = -EINVAL;
1203                 goto rollback;
1204         }
1205
1206         /*
1207          * Check that the numbers of RX and TX queues are not greater
1208          * than the maximum number of RX and TX queues supported by the
1209          * configured device.
1210          */
1211         if (nb_rx_q > dev_info.max_rx_queues) {
1212                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1213                         port_id, nb_rx_q, dev_info.max_rx_queues);
1214                 ret = -EINVAL;
1215                 goto rollback;
1216         }
1217
1218         if (nb_tx_q > dev_info.max_tx_queues) {
1219                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1220                         port_id, nb_tx_q, dev_info.max_tx_queues);
1221                 ret = -EINVAL;
1222                 goto rollback;
1223         }
1224
1225         /* Check that the device supports requested interrupts */
1226         if ((dev_conf->intr_conf.lsc == 1) &&
1227                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1228                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1229                         dev->device->driver->name);
1230                 ret = -EINVAL;
1231                 goto rollback;
1232         }
1233         if ((dev_conf->intr_conf.rmv == 1) &&
1234                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1235                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1236                         dev->device->driver->name);
1237                 ret = -EINVAL;
1238                 goto rollback;
1239         }
1240
1241         /*
1242          * If jumbo frames are enabled, check that the maximum RX packet
1243          * length is supported by the configured device.
1244          */
1245         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1246                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1247                         RTE_ETHDEV_LOG(ERR,
1248                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1249                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1250                                 dev_info.max_rx_pktlen);
1251                         ret = -EINVAL;
1252                         goto rollback;
1253                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1254                         RTE_ETHDEV_LOG(ERR,
1255                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1256                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1257                                 (unsigned int)RTE_ETHER_MIN_LEN);
1258                         ret = -EINVAL;
1259                         goto rollback;
1260                 }
1261         } else {
1262                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1263                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1264                         /* Use default value */
1265                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1266                                                         RTE_ETHER_MAX_LEN;
1267         }
1268
1269         /* Any requested offloading must be within its device capabilities */
1270         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1271              dev_conf->rxmode.offloads) {
1272                 RTE_ETHDEV_LOG(ERR,
1273                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1274                         "capabilities 0x%"PRIx64" in %s()\n",
1275                         port_id, dev_conf->rxmode.offloads,
1276                         dev_info.rx_offload_capa,
1277                         __func__);
1278                 ret = -EINVAL;
1279                 goto rollback;
1280         }
1281         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1282              dev_conf->txmode.offloads) {
1283                 RTE_ETHDEV_LOG(ERR,
1284                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1285                         "capabilities 0x%"PRIx64" in %s()\n",
1286                         port_id, dev_conf->txmode.offloads,
1287                         dev_info.tx_offload_capa,
1288                         __func__);
1289                 ret = -EINVAL;
1290                 goto rollback;
1291         }
1292
1293         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1294                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1295
1296         /* Check that device supports requested rss hash functions. */
1297         if ((dev_info.flow_type_rss_offloads |
1298              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1299             dev_info.flow_type_rss_offloads) {
1300                 RTE_ETHDEV_LOG(ERR,
1301                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1302                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1303                         dev_info.flow_type_rss_offloads);
1304                 ret = -EINVAL;
1305                 goto rollback;
1306         }
1307
1308         /*
1309          * Setup new number of RX/TX queues and reconfigure device.
1310          */
1311         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1312         if (diag != 0) {
1313                 RTE_ETHDEV_LOG(ERR,
1314                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1315                         port_id, diag);
1316                 ret = diag;
1317                 goto rollback;
1318         }
1319
1320         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1321         if (diag != 0) {
1322                 RTE_ETHDEV_LOG(ERR,
1323                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1324                         port_id, diag);
1325                 rte_eth_dev_rx_queue_config(dev, 0);
1326                 ret = diag;
1327                 goto rollback;
1328         }
1329
1330         diag = (*dev->dev_ops->dev_configure)(dev);
1331         if (diag != 0) {
1332                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1333                         port_id, diag);
1334                 rte_eth_dev_rx_queue_config(dev, 0);
1335                 rte_eth_dev_tx_queue_config(dev, 0);
1336                 ret = eth_err(port_id, diag);
1337                 goto rollback;
1338         }
1339
1340         /* Initialize Rx profiling if enabled at compilation time. */
1341         diag = __rte_eth_dev_profile_init(port_id, dev);
1342         if (diag != 0) {
1343                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1344                         port_id, diag);
1345                 rte_eth_dev_rx_queue_config(dev, 0);
1346                 rte_eth_dev_tx_queue_config(dev, 0);
1347                 ret = eth_err(port_id, diag);
1348                 goto rollback;
1349         }
1350
1351         return 0;
1352
1353 rollback:
1354         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1355
1356         return ret;
1357 }
1358
1359 void
1360 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1361 {
1362         if (dev->data->dev_started) {
1363                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1364                         dev->data->port_id);
1365                 return;
1366         }
1367
1368         rte_eth_dev_rx_queue_config(dev, 0);
1369         rte_eth_dev_tx_queue_config(dev, 0);
1370
1371         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1372 }
1373
1374 static void
1375 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1376                         struct rte_eth_dev_info *dev_info)
1377 {
1378         struct rte_ether_addr *addr;
1379         uint16_t i;
1380         uint32_t pool = 0;
1381         uint64_t pool_mask;
1382
1383         /* replay MAC address configuration including default MAC */
1384         addr = &dev->data->mac_addrs[0];
1385         if (*dev->dev_ops->mac_addr_set != NULL)
1386                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1387         else if (*dev->dev_ops->mac_addr_add != NULL)
1388                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1389
1390         if (*dev->dev_ops->mac_addr_add != NULL) {
1391                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1392                         addr = &dev->data->mac_addrs[i];
1393
1394                         /* skip zero address */
1395                         if (rte_is_zero_ether_addr(addr))
1396                                 continue;
1397
1398                         pool = 0;
1399                         pool_mask = dev->data->mac_pool_sel[i];
1400
1401                         do {
1402                                 if (pool_mask & 1ULL)
1403                                         (*dev->dev_ops->mac_addr_add)(dev,
1404                                                 addr, i, pool);
1405                                 pool_mask >>= 1;
1406                                 pool++;
1407                         } while (pool_mask);
1408                 }
1409         }
1410 }
1411
1412 static int
1413 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1414                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1415 {
1416         int ret;
1417
1418         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1419                 rte_eth_dev_mac_restore(dev, dev_info);
1420
1421         /* replay promiscuous configuration */
1422         /*
1423          * use callbacks directly since we don't need port_id check and
1424          * would like to bypass the same value set
1425          */
1426         if (rte_eth_promiscuous_get(port_id) == 1 &&
1427             *dev->dev_ops->promiscuous_enable != NULL) {
1428                 ret = eth_err(port_id,
1429                               (*dev->dev_ops->promiscuous_enable)(dev));
1430                 if (ret != 0 && ret != -ENOTSUP) {
1431                         RTE_ETHDEV_LOG(ERR,
1432                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1433                                 port_id, rte_strerror(-ret));
1434                         return ret;
1435                 }
1436         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1437                    *dev->dev_ops->promiscuous_disable != NULL) {
1438                 ret = eth_err(port_id,
1439                               (*dev->dev_ops->promiscuous_disable)(dev));
1440                 if (ret != 0 && ret != -ENOTSUP) {
1441                         RTE_ETHDEV_LOG(ERR,
1442                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1443                                 port_id, rte_strerror(-ret));
1444                         return ret;
1445                 }
1446         }
1447
1448         /* replay all multicast configuration */
1449         /*
1450          * use callbacks directly since we don't need port_id check and
1451          * would like to bypass the same value set
1452          */
1453         if (rte_eth_allmulticast_get(port_id) == 1 &&
1454             *dev->dev_ops->allmulticast_enable != NULL) {
1455                 ret = eth_err(port_id,
1456                               (*dev->dev_ops->allmulticast_enable)(dev));
1457                 if (ret != 0 && ret != -ENOTSUP) {
1458                         RTE_ETHDEV_LOG(ERR,
1459                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1460                                 port_id, rte_strerror(-ret));
1461                         return ret;
1462                 }
1463         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1464                    *dev->dev_ops->allmulticast_disable != NULL) {
1465                 ret = eth_err(port_id,
1466                               (*dev->dev_ops->allmulticast_disable)(dev));
1467                 if (ret != 0 && ret != -ENOTSUP) {
1468                         RTE_ETHDEV_LOG(ERR,
1469                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1470                                 port_id, rte_strerror(-ret));
1471                         return ret;
1472                 }
1473         }
1474
1475         return 0;
1476 }
1477
1478 int
1479 rte_eth_dev_start(uint16_t port_id)
1480 {
1481         struct rte_eth_dev *dev;
1482         struct rte_eth_dev_info dev_info;
1483         int diag;
1484         int ret;
1485
1486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1487
1488         dev = &rte_eth_devices[port_id];
1489
1490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1491
1492         if (dev->data->dev_started != 0) {
1493                 RTE_ETHDEV_LOG(INFO,
1494                         "Device with port_id=%"PRIu16" already started\n",
1495                         port_id);
1496                 return 0;
1497         }
1498
1499         ret = rte_eth_dev_info_get(port_id, &dev_info);
1500         if (ret != 0)
1501                 return ret;
1502
1503         /* Lets restore MAC now if device does not support live change */
1504         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1505                 rte_eth_dev_mac_restore(dev, &dev_info);
1506
1507         diag = (*dev->dev_ops->dev_start)(dev);
1508         if (diag == 0)
1509                 dev->data->dev_started = 1;
1510         else
1511                 return eth_err(port_id, diag);
1512
1513         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1514         if (ret != 0) {
1515                 RTE_ETHDEV_LOG(ERR,
1516                         "Error during restoring configuration for device (port %u): %s\n",
1517                         port_id, rte_strerror(-ret));
1518                 rte_eth_dev_stop(port_id);
1519                 return ret;
1520         }
1521
1522         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1523                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1524                 (*dev->dev_ops->link_update)(dev, 0);
1525         }
1526         return 0;
1527 }
1528
1529 void
1530 rte_eth_dev_stop(uint16_t port_id)
1531 {
1532         struct rte_eth_dev *dev;
1533
1534         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1535         dev = &rte_eth_devices[port_id];
1536
1537         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1538
1539         if (dev->data->dev_started == 0) {
1540                 RTE_ETHDEV_LOG(INFO,
1541                         "Device with port_id=%"PRIu16" already stopped\n",
1542                         port_id);
1543                 return;
1544         }
1545
1546         dev->data->dev_started = 0;
1547         (*dev->dev_ops->dev_stop)(dev);
1548 }
1549
1550 int
1551 rte_eth_dev_set_link_up(uint16_t port_id)
1552 {
1553         struct rte_eth_dev *dev;
1554
1555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1556
1557         dev = &rte_eth_devices[port_id];
1558
1559         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1560         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1561 }
1562
1563 int
1564 rte_eth_dev_set_link_down(uint16_t port_id)
1565 {
1566         struct rte_eth_dev *dev;
1567
1568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1569
1570         dev = &rte_eth_devices[port_id];
1571
1572         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1573         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1574 }
1575
1576 void
1577 rte_eth_dev_close(uint16_t port_id)
1578 {
1579         struct rte_eth_dev *dev;
1580
1581         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1582         dev = &rte_eth_devices[port_id];
1583
1584         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1585         dev->data->dev_started = 0;
1586         (*dev->dev_ops->dev_close)(dev);
1587
1588         /* check behaviour flag - temporary for PMD migration */
1589         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1590                 /* new behaviour: send event + reset state + free all data */
1591                 rte_eth_dev_release_port(dev);
1592                 return;
1593         }
1594         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1595                         "The driver %s should migrate to the new behaviour.\n",
1596                         dev->device->driver->name);
1597         /* old behaviour: only free queue arrays */
1598         dev->data->nb_rx_queues = 0;
1599         rte_free(dev->data->rx_queues);
1600         dev->data->rx_queues = NULL;
1601         dev->data->nb_tx_queues = 0;
1602         rte_free(dev->data->tx_queues);
1603         dev->data->tx_queues = NULL;
1604 }
1605
1606 int
1607 rte_eth_dev_reset(uint16_t port_id)
1608 {
1609         struct rte_eth_dev *dev;
1610         int ret;
1611
1612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1613         dev = &rte_eth_devices[port_id];
1614
1615         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1616
1617         rte_eth_dev_stop(port_id);
1618         ret = dev->dev_ops->dev_reset(dev);
1619
1620         return eth_err(port_id, ret);
1621 }
1622
1623 int
1624 rte_eth_dev_is_removed(uint16_t port_id)
1625 {
1626         struct rte_eth_dev *dev;
1627         int ret;
1628
1629         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1630
1631         dev = &rte_eth_devices[port_id];
1632
1633         if (dev->state == RTE_ETH_DEV_REMOVED)
1634                 return 1;
1635
1636         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1637
1638         ret = dev->dev_ops->is_removed(dev);
1639         if (ret != 0)
1640                 /* Device is physically removed. */
1641                 dev->state = RTE_ETH_DEV_REMOVED;
1642
1643         return ret;
1644 }
1645
1646 int
1647 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1648                        uint16_t nb_rx_desc, unsigned int socket_id,
1649                        const struct rte_eth_rxconf *rx_conf,
1650                        struct rte_mempool *mp)
1651 {
1652         int ret;
1653         uint32_t mbp_buf_size;
1654         struct rte_eth_dev *dev;
1655         struct rte_eth_dev_info dev_info;
1656         struct rte_eth_rxconf local_conf;
1657         void **rxq;
1658
1659         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1660
1661         dev = &rte_eth_devices[port_id];
1662         if (rx_queue_id >= dev->data->nb_rx_queues) {
1663                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1664                 return -EINVAL;
1665         }
1666
1667         if (mp == NULL) {
1668                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1669                 return -EINVAL;
1670         }
1671
1672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1673
1674         /*
1675          * Check the size of the mbuf data buffer.
1676          * This value must be provided in the private data of the memory pool.
1677          * First check that the memory pool has a valid private data.
1678          */
1679         ret = rte_eth_dev_info_get(port_id, &dev_info);
1680         if (ret != 0)
1681                 return ret;
1682
1683         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1684                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1685                         mp->name, (int)mp->private_data_size,
1686                         (int)sizeof(struct rte_pktmbuf_pool_private));
1687                 return -ENOSPC;
1688         }
1689         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1690
1691         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1692                 RTE_ETHDEV_LOG(ERR,
1693                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1694                         mp->name, (int)mbp_buf_size,
1695                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1696                         (int)RTE_PKTMBUF_HEADROOM,
1697                         (int)dev_info.min_rx_bufsize);
1698                 return -EINVAL;
1699         }
1700
1701         /* Use default specified by driver, if nb_rx_desc is zero */
1702         if (nb_rx_desc == 0) {
1703                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1704                 /* If driver default is also zero, fall back on EAL default */
1705                 if (nb_rx_desc == 0)
1706                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1707         }
1708
1709         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1710                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1711                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1712
1713                 RTE_ETHDEV_LOG(ERR,
1714                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1715                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1716                         dev_info.rx_desc_lim.nb_min,
1717                         dev_info.rx_desc_lim.nb_align);
1718                 return -EINVAL;
1719         }
1720
1721         if (dev->data->dev_started &&
1722                 !(dev_info.dev_capa &
1723                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1724                 return -EBUSY;
1725
1726         if (dev->data->dev_started &&
1727                 (dev->data->rx_queue_state[rx_queue_id] !=
1728                         RTE_ETH_QUEUE_STATE_STOPPED))
1729                 return -EBUSY;
1730
1731         rxq = dev->data->rx_queues;
1732         if (rxq[rx_queue_id]) {
1733                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1734                                         -ENOTSUP);
1735                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1736                 rxq[rx_queue_id] = NULL;
1737         }
1738
1739         if (rx_conf == NULL)
1740                 rx_conf = &dev_info.default_rxconf;
1741
1742         local_conf = *rx_conf;
1743
1744         /*
1745          * If an offloading has already been enabled in
1746          * rte_eth_dev_configure(), it has been enabled on all queues,
1747          * so there is no need to enable it in this queue again.
1748          * The local_conf.offloads input to underlying PMD only carries
1749          * those offloadings which are only enabled on this queue and
1750          * not enabled on all queues.
1751          */
1752         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1753
1754         /*
1755          * New added offloadings for this queue are those not enabled in
1756          * rte_eth_dev_configure() and they must be per-queue type.
1757          * A pure per-port offloading can't be enabled on a queue while
1758          * disabled on another queue. A pure per-port offloading can't
1759          * be enabled for any queue as new added one if it hasn't been
1760          * enabled in rte_eth_dev_configure().
1761          */
1762         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1763              local_conf.offloads) {
1764                 RTE_ETHDEV_LOG(ERR,
1765                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1766                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1767                         port_id, rx_queue_id, local_conf.offloads,
1768                         dev_info.rx_queue_offload_capa,
1769                         __func__);
1770                 return -EINVAL;
1771         }
1772
1773         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1774                                               socket_id, &local_conf, mp);
1775         if (!ret) {
1776                 if (!dev->data->min_rx_buf_size ||
1777                     dev->data->min_rx_buf_size > mbp_buf_size)
1778                         dev->data->min_rx_buf_size = mbp_buf_size;
1779         }
1780
1781         return eth_err(port_id, ret);
1782 }
1783
1784 int
1785 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1786                                uint16_t nb_rx_desc,
1787                                const struct rte_eth_hairpin_conf *conf)
1788 {
1789         int ret;
1790         struct rte_eth_dev *dev;
1791         struct rte_eth_hairpin_cap cap;
1792         void **rxq;
1793         int i;
1794         int count;
1795
1796         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1797
1798         dev = &rte_eth_devices[port_id];
1799         if (rx_queue_id >= dev->data->nb_rx_queues) {
1800                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1801                 return -EINVAL;
1802         }
1803         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1804         if (ret != 0)
1805                 return ret;
1806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
1807                                 -ENOTSUP);
1808         /* if nb_rx_desc is zero use max number of desc from the driver. */
1809         if (nb_rx_desc == 0)
1810                 nb_rx_desc = cap.max_nb_desc;
1811         if (nb_rx_desc > cap.max_nb_desc) {
1812                 RTE_ETHDEV_LOG(ERR,
1813                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
1814                         nb_rx_desc, cap.max_nb_desc);
1815                 return -EINVAL;
1816         }
1817         if (conf->peer_count > cap.max_rx_2_tx) {
1818                 RTE_ETHDEV_LOG(ERR,
1819                         "Invalid value for number of peers for Rx queue(=%hu), should be: <= %hu",
1820                         conf->peer_count, cap.max_rx_2_tx);
1821                 return -EINVAL;
1822         }
1823         if (conf->peer_count == 0) {
1824                 RTE_ETHDEV_LOG(ERR,
1825                         "Invalid value for number of peers for Rx queue(=%hu), should be: > 0",
1826                         conf->peer_count);
1827                 return -EINVAL;
1828         }
1829         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
1830              cap.max_nb_queues != UINT16_MAX; i++) {
1831                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
1832                         count++;
1833         }
1834         if (count > cap.max_nb_queues) {
1835                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
1836                 cap.max_nb_queues);
1837                 return -EINVAL;
1838         }
1839         if (dev->data->dev_started)
1840                 return -EBUSY;
1841         rxq = dev->data->rx_queues;
1842         if (rxq[rx_queue_id] != NULL) {
1843                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1844                                         -ENOTSUP);
1845                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1846                 rxq[rx_queue_id] = NULL;
1847         }
1848         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
1849                                                       nb_rx_desc, conf);
1850         if (ret == 0)
1851                 dev->data->rx_queue_state[rx_queue_id] =
1852                         RTE_ETH_QUEUE_STATE_HAIRPIN;
1853         return eth_err(port_id, ret);
1854 }
1855
1856 int
1857 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1858                        uint16_t nb_tx_desc, unsigned int socket_id,
1859                        const struct rte_eth_txconf *tx_conf)
1860 {
1861         struct rte_eth_dev *dev;
1862         struct rte_eth_dev_info dev_info;
1863         struct rte_eth_txconf local_conf;
1864         void **txq;
1865         int ret;
1866
1867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1868
1869         dev = &rte_eth_devices[port_id];
1870         if (tx_queue_id >= dev->data->nb_tx_queues) {
1871                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1872                 return -EINVAL;
1873         }
1874
1875         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1876
1877         ret = rte_eth_dev_info_get(port_id, &dev_info);
1878         if (ret != 0)
1879                 return ret;
1880
1881         /* Use default specified by driver, if nb_tx_desc is zero */
1882         if (nb_tx_desc == 0) {
1883                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1884                 /* If driver default is zero, fall back on EAL default */
1885                 if (nb_tx_desc == 0)
1886                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1887         }
1888         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1889             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1890             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1891                 RTE_ETHDEV_LOG(ERR,
1892                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1893                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1894                         dev_info.tx_desc_lim.nb_min,
1895                         dev_info.tx_desc_lim.nb_align);
1896                 return -EINVAL;
1897         }
1898
1899         if (dev->data->dev_started &&
1900                 !(dev_info.dev_capa &
1901                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1902                 return -EBUSY;
1903
1904         if (dev->data->dev_started &&
1905                 (dev->data->tx_queue_state[tx_queue_id] !=
1906                         RTE_ETH_QUEUE_STATE_STOPPED))
1907                 return -EBUSY;
1908
1909         txq = dev->data->tx_queues;
1910         if (txq[tx_queue_id]) {
1911                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1912                                         -ENOTSUP);
1913                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1914                 txq[tx_queue_id] = NULL;
1915         }
1916
1917         if (tx_conf == NULL)
1918                 tx_conf = &dev_info.default_txconf;
1919
1920         local_conf = *tx_conf;
1921
1922         /*
1923          * If an offloading has already been enabled in
1924          * rte_eth_dev_configure(), it has been enabled on all queues,
1925          * so there is no need to enable it in this queue again.
1926          * The local_conf.offloads input to underlying PMD only carries
1927          * those offloadings which are only enabled on this queue and
1928          * not enabled on all queues.
1929          */
1930         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1931
1932         /*
1933          * New added offloadings for this queue are those not enabled in
1934          * rte_eth_dev_configure() and they must be per-queue type.
1935          * A pure per-port offloading can't be enabled on a queue while
1936          * disabled on another queue. A pure per-port offloading can't
1937          * be enabled for any queue as new added one if it hasn't been
1938          * enabled in rte_eth_dev_configure().
1939          */
1940         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1941              local_conf.offloads) {
1942                 RTE_ETHDEV_LOG(ERR,
1943                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1944                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1945                         port_id, tx_queue_id, local_conf.offloads,
1946                         dev_info.tx_queue_offload_capa,
1947                         __func__);
1948                 return -EINVAL;
1949         }
1950
1951         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1952                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1953 }
1954
1955 int
1956 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1957                                uint16_t nb_tx_desc,
1958                                const struct rte_eth_hairpin_conf *conf)
1959 {
1960         struct rte_eth_dev *dev;
1961         struct rte_eth_hairpin_cap cap;
1962         void **txq;
1963         int i;
1964         int count;
1965         int ret;
1966
1967         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1968         dev = &rte_eth_devices[port_id];
1969         if (tx_queue_id >= dev->data->nb_tx_queues) {
1970                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1971                 return -EINVAL;
1972         }
1973         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1974         if (ret != 0)
1975                 return ret;
1976         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
1977                                 -ENOTSUP);
1978         /* if nb_rx_desc is zero use max number of desc from the driver. */
1979         if (nb_tx_desc == 0)
1980                 nb_tx_desc = cap.max_nb_desc;
1981         if (nb_tx_desc > cap.max_nb_desc) {
1982                 RTE_ETHDEV_LOG(ERR,
1983                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
1984                         nb_tx_desc, cap.max_nb_desc);
1985                 return -EINVAL;
1986         }
1987         if (conf->peer_count > cap.max_tx_2_rx) {
1988                 RTE_ETHDEV_LOG(ERR,
1989                         "Invalid value for number of peers for Tx queue(=%hu), should be: <= %hu",
1990                         conf->peer_count, cap.max_tx_2_rx);
1991                 return -EINVAL;
1992         }
1993         if (conf->peer_count == 0) {
1994                 RTE_ETHDEV_LOG(ERR,
1995                         "Invalid value for number of peers for Tx queue(=%hu), should be: > 0",
1996                         conf->peer_count);
1997                 return -EINVAL;
1998         }
1999         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2000              cap.max_nb_queues != UINT16_MAX; i++) {
2001                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2002                         count++;
2003         }
2004         if (count > cap.max_nb_queues) {
2005                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2006                 cap.max_nb_queues);
2007                 return -EINVAL;
2008         }
2009         if (dev->data->dev_started)
2010                 return -EBUSY;
2011         txq = dev->data->tx_queues;
2012         if (txq[tx_queue_id] != NULL) {
2013                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2014                                         -ENOTSUP);
2015                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2016                 txq[tx_queue_id] = NULL;
2017         }
2018         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2019                 (dev, tx_queue_id, nb_tx_desc, conf);
2020         if (ret == 0)
2021                 dev->data->tx_queue_state[tx_queue_id] =
2022                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2023         return eth_err(port_id, ret);
2024 }
2025
2026 void
2027 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2028                 void *userdata __rte_unused)
2029 {
2030         unsigned i;
2031
2032         for (i = 0; i < unsent; i++)
2033                 rte_pktmbuf_free(pkts[i]);
2034 }
2035
2036 void
2037 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2038                 void *userdata)
2039 {
2040         uint64_t *count = userdata;
2041         unsigned i;
2042
2043         for (i = 0; i < unsent; i++)
2044                 rte_pktmbuf_free(pkts[i]);
2045
2046         *count += unsent;
2047 }
2048
2049 int
2050 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2051                 buffer_tx_error_fn cbfn, void *userdata)
2052 {
2053         buffer->error_callback = cbfn;
2054         buffer->error_userdata = userdata;
2055         return 0;
2056 }
2057
2058 int
2059 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2060 {
2061         int ret = 0;
2062
2063         if (buffer == NULL)
2064                 return -EINVAL;
2065
2066         buffer->size = size;
2067         if (buffer->error_callback == NULL) {
2068                 ret = rte_eth_tx_buffer_set_err_callback(
2069                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2070         }
2071
2072         return ret;
2073 }
2074
2075 int
2076 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2077 {
2078         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2079         int ret;
2080
2081         /* Validate Input Data. Bail if not valid or not supported. */
2082         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2083         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2084
2085         /* Call driver to free pending mbufs. */
2086         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2087                                                free_cnt);
2088         return eth_err(port_id, ret);
2089 }
2090
2091 int
2092 rte_eth_promiscuous_enable(uint16_t port_id)
2093 {
2094         struct rte_eth_dev *dev;
2095         int diag = 0;
2096
2097         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2098         dev = &rte_eth_devices[port_id];
2099
2100         if (dev->data->promiscuous == 1)
2101                 return 0;
2102
2103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2104
2105         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2106         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2107
2108         return eth_err(port_id, diag);
2109 }
2110
2111 int
2112 rte_eth_promiscuous_disable(uint16_t port_id)
2113 {
2114         struct rte_eth_dev *dev;
2115         int diag = 0;
2116
2117         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2118         dev = &rte_eth_devices[port_id];
2119
2120         if (dev->data->promiscuous == 0)
2121                 return 0;
2122
2123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2124
2125         dev->data->promiscuous = 0;
2126         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2127         if (diag != 0)
2128                 dev->data->promiscuous = 1;
2129
2130         return eth_err(port_id, diag);
2131 }
2132
2133 int
2134 rte_eth_promiscuous_get(uint16_t port_id)
2135 {
2136         struct rte_eth_dev *dev;
2137
2138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2139
2140         dev = &rte_eth_devices[port_id];
2141         return dev->data->promiscuous;
2142 }
2143
2144 int
2145 rte_eth_allmulticast_enable(uint16_t port_id)
2146 {
2147         struct rte_eth_dev *dev;
2148         int diag;
2149
2150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2151         dev = &rte_eth_devices[port_id];
2152
2153         if (dev->data->all_multicast == 1)
2154                 return 0;
2155
2156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2157         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2158         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2159
2160         return eth_err(port_id, diag);
2161 }
2162
2163 int
2164 rte_eth_allmulticast_disable(uint16_t port_id)
2165 {
2166         struct rte_eth_dev *dev;
2167         int diag;
2168
2169         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2170         dev = &rte_eth_devices[port_id];
2171
2172         if (dev->data->all_multicast == 0)
2173                 return 0;
2174
2175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2176         dev->data->all_multicast = 0;
2177         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2178         if (diag != 0)
2179                 dev->data->all_multicast = 1;
2180
2181         return eth_err(port_id, diag);
2182 }
2183
2184 int
2185 rte_eth_allmulticast_get(uint16_t port_id)
2186 {
2187         struct rte_eth_dev *dev;
2188
2189         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2190
2191         dev = &rte_eth_devices[port_id];
2192         return dev->data->all_multicast;
2193 }
2194
2195 int
2196 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2197 {
2198         struct rte_eth_dev *dev;
2199
2200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2201         dev = &rte_eth_devices[port_id];
2202
2203         if (dev->data->dev_conf.intr_conf.lsc &&
2204             dev->data->dev_started)
2205                 rte_eth_linkstatus_get(dev, eth_link);
2206         else {
2207                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2208                 (*dev->dev_ops->link_update)(dev, 1);
2209                 *eth_link = dev->data->dev_link;
2210         }
2211
2212         return 0;
2213 }
2214
2215 int
2216 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2217 {
2218         struct rte_eth_dev *dev;
2219
2220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2221         dev = &rte_eth_devices[port_id];
2222
2223         if (dev->data->dev_conf.intr_conf.lsc &&
2224             dev->data->dev_started)
2225                 rte_eth_linkstatus_get(dev, eth_link);
2226         else {
2227                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2228                 (*dev->dev_ops->link_update)(dev, 0);
2229                 *eth_link = dev->data->dev_link;
2230         }
2231
2232         return 0;
2233 }
2234
2235 int
2236 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2237 {
2238         struct rte_eth_dev *dev;
2239
2240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2241
2242         dev = &rte_eth_devices[port_id];
2243         memset(stats, 0, sizeof(*stats));
2244
2245         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2246         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2247         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2248 }
2249
2250 int
2251 rte_eth_stats_reset(uint16_t port_id)
2252 {
2253         struct rte_eth_dev *dev;
2254         int ret;
2255
2256         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2257         dev = &rte_eth_devices[port_id];
2258
2259         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2260         ret = (*dev->dev_ops->stats_reset)(dev);
2261         if (ret != 0)
2262                 return eth_err(port_id, ret);
2263
2264         dev->data->rx_mbuf_alloc_failed = 0;
2265
2266         return 0;
2267 }
2268
2269 static inline int
2270 get_xstats_basic_count(struct rte_eth_dev *dev)
2271 {
2272         uint16_t nb_rxqs, nb_txqs;
2273         int count;
2274
2275         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2276         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2277
2278         count = RTE_NB_STATS;
2279         count += nb_rxqs * RTE_NB_RXQ_STATS;
2280         count += nb_txqs * RTE_NB_TXQ_STATS;
2281
2282         return count;
2283 }
2284
2285 static int
2286 get_xstats_count(uint16_t port_id)
2287 {
2288         struct rte_eth_dev *dev;
2289         int count;
2290
2291         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2292         dev = &rte_eth_devices[port_id];
2293         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2294                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2295                                 NULL, 0);
2296                 if (count < 0)
2297                         return eth_err(port_id, count);
2298         }
2299         if (dev->dev_ops->xstats_get_names != NULL) {
2300                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2301                 if (count < 0)
2302                         return eth_err(port_id, count);
2303         } else
2304                 count = 0;
2305
2306
2307         count += get_xstats_basic_count(dev);
2308
2309         return count;
2310 }
2311
2312 int
2313 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2314                 uint64_t *id)
2315 {
2316         int cnt_xstats, idx_xstat;
2317
2318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2319
2320         if (!id) {
2321                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2322                 return -ENOMEM;
2323         }
2324
2325         if (!xstat_name) {
2326                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2327                 return -ENOMEM;
2328         }
2329
2330         /* Get count */
2331         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2332         if (cnt_xstats  < 0) {
2333                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2334                 return -ENODEV;
2335         }
2336
2337         /* Get id-name lookup table */
2338         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2339
2340         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2341                         port_id, xstats_names, cnt_xstats, NULL)) {
2342                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2343                 return -1;
2344         }
2345
2346         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2347                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2348                         *id = idx_xstat;
2349                         return 0;
2350                 };
2351         }
2352
2353         return -EINVAL;
2354 }
2355
2356 /* retrieve basic stats names */
2357 static int
2358 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2359         struct rte_eth_xstat_name *xstats_names)
2360 {
2361         int cnt_used_entries = 0;
2362         uint32_t idx, id_queue;
2363         uint16_t num_q;
2364
2365         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2366                 strlcpy(xstats_names[cnt_used_entries].name,
2367                         rte_stats_strings[idx].name,
2368                         sizeof(xstats_names[0].name));
2369                 cnt_used_entries++;
2370         }
2371         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2372         for (id_queue = 0; id_queue < num_q; id_queue++) {
2373                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2374                         snprintf(xstats_names[cnt_used_entries].name,
2375                                 sizeof(xstats_names[0].name),
2376                                 "rx_q%u%s",
2377                                 id_queue, rte_rxq_stats_strings[idx].name);
2378                         cnt_used_entries++;
2379                 }
2380
2381         }
2382         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2383         for (id_queue = 0; id_queue < num_q; id_queue++) {
2384                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2385                         snprintf(xstats_names[cnt_used_entries].name,
2386                                 sizeof(xstats_names[0].name),
2387                                 "tx_q%u%s",
2388                                 id_queue, rte_txq_stats_strings[idx].name);
2389                         cnt_used_entries++;
2390                 }
2391         }
2392         return cnt_used_entries;
2393 }
2394
2395 /* retrieve ethdev extended statistics names */
2396 int
2397 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2398         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2399         uint64_t *ids)
2400 {
2401         struct rte_eth_xstat_name *xstats_names_copy;
2402         unsigned int no_basic_stat_requested = 1;
2403         unsigned int no_ext_stat_requested = 1;
2404         unsigned int expected_entries;
2405         unsigned int basic_count;
2406         struct rte_eth_dev *dev;
2407         unsigned int i;
2408         int ret;
2409
2410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2411         dev = &rte_eth_devices[port_id];
2412
2413         basic_count = get_xstats_basic_count(dev);
2414         ret = get_xstats_count(port_id);
2415         if (ret < 0)
2416                 return ret;
2417         expected_entries = (unsigned int)ret;
2418
2419         /* Return max number of stats if no ids given */
2420         if (!ids) {
2421                 if (!xstats_names)
2422                         return expected_entries;
2423                 else if (xstats_names && size < expected_entries)
2424                         return expected_entries;
2425         }
2426
2427         if (ids && !xstats_names)
2428                 return -EINVAL;
2429
2430         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2431                 uint64_t ids_copy[size];
2432
2433                 for (i = 0; i < size; i++) {
2434                         if (ids[i] < basic_count) {
2435                                 no_basic_stat_requested = 0;
2436                                 break;
2437                         }
2438
2439                         /*
2440                          * Convert ids to xstats ids that PMD knows.
2441                          * ids known by user are basic + extended stats.
2442                          */
2443                         ids_copy[i] = ids[i] - basic_count;
2444                 }
2445
2446                 if (no_basic_stat_requested)
2447                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2448                                         xstats_names, ids_copy, size);
2449         }
2450
2451         /* Retrieve all stats */
2452         if (!ids) {
2453                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2454                                 expected_entries);
2455                 if (num_stats < 0 || num_stats > (int)expected_entries)
2456                         return num_stats;
2457                 else
2458                         return expected_entries;
2459         }
2460
2461         xstats_names_copy = calloc(expected_entries,
2462                 sizeof(struct rte_eth_xstat_name));
2463
2464         if (!xstats_names_copy) {
2465                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2466                 return -ENOMEM;
2467         }
2468
2469         if (ids) {
2470                 for (i = 0; i < size; i++) {
2471                         if (ids[i] >= basic_count) {
2472                                 no_ext_stat_requested = 0;
2473                                 break;
2474                         }
2475                 }
2476         }
2477
2478         /* Fill xstats_names_copy structure */
2479         if (ids && no_ext_stat_requested) {
2480                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2481         } else {
2482                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2483                         expected_entries);
2484                 if (ret < 0) {
2485                         free(xstats_names_copy);
2486                         return ret;
2487                 }
2488         }
2489
2490         /* Filter stats */
2491         for (i = 0; i < size; i++) {
2492                 if (ids[i] >= expected_entries) {
2493                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2494                         free(xstats_names_copy);
2495                         return -1;
2496                 }
2497                 xstats_names[i] = xstats_names_copy[ids[i]];
2498         }
2499
2500         free(xstats_names_copy);
2501         return size;
2502 }
2503
2504 int
2505 rte_eth_xstats_get_names(uint16_t port_id,
2506         struct rte_eth_xstat_name *xstats_names,
2507         unsigned int size)
2508 {
2509         struct rte_eth_dev *dev;
2510         int cnt_used_entries;
2511         int cnt_expected_entries;
2512         int cnt_driver_entries;
2513
2514         cnt_expected_entries = get_xstats_count(port_id);
2515         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2516                         (int)size < cnt_expected_entries)
2517                 return cnt_expected_entries;
2518
2519         /* port_id checked in get_xstats_count() */
2520         dev = &rte_eth_devices[port_id];
2521
2522         cnt_used_entries = rte_eth_basic_stats_get_names(
2523                 dev, xstats_names);
2524
2525         if (dev->dev_ops->xstats_get_names != NULL) {
2526                 /* If there are any driver-specific xstats, append them
2527                  * to end of list.
2528                  */
2529                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2530                         dev,
2531                         xstats_names + cnt_used_entries,
2532                         size - cnt_used_entries);
2533                 if (cnt_driver_entries < 0)
2534                         return eth_err(port_id, cnt_driver_entries);
2535                 cnt_used_entries += cnt_driver_entries;
2536         }
2537
2538         return cnt_used_entries;
2539 }
2540
2541
2542 static int
2543 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2544 {
2545         struct rte_eth_dev *dev;
2546         struct rte_eth_stats eth_stats;
2547         unsigned int count = 0, i, q;
2548         uint64_t val, *stats_ptr;
2549         uint16_t nb_rxqs, nb_txqs;
2550         int ret;
2551
2552         ret = rte_eth_stats_get(port_id, &eth_stats);
2553         if (ret < 0)
2554                 return ret;
2555
2556         dev = &rte_eth_devices[port_id];
2557
2558         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2559         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2560
2561         /* global stats */
2562         for (i = 0; i < RTE_NB_STATS; i++) {
2563                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2564                                         rte_stats_strings[i].offset);
2565                 val = *stats_ptr;
2566                 xstats[count++].value = val;
2567         }
2568
2569         /* per-rxq stats */
2570         for (q = 0; q < nb_rxqs; q++) {
2571                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2572                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2573                                         rte_rxq_stats_strings[i].offset +
2574                                         q * sizeof(uint64_t));
2575                         val = *stats_ptr;
2576                         xstats[count++].value = val;
2577                 }
2578         }
2579
2580         /* per-txq stats */
2581         for (q = 0; q < nb_txqs; q++) {
2582                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2583                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2584                                         rte_txq_stats_strings[i].offset +
2585                                         q * sizeof(uint64_t));
2586                         val = *stats_ptr;
2587                         xstats[count++].value = val;
2588                 }
2589         }
2590         return count;
2591 }
2592
2593 /* retrieve ethdev extended statistics */
2594 int
2595 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2596                          uint64_t *values, unsigned int size)
2597 {
2598         unsigned int no_basic_stat_requested = 1;
2599         unsigned int no_ext_stat_requested = 1;
2600         unsigned int num_xstats_filled;
2601         unsigned int basic_count;
2602         uint16_t expected_entries;
2603         struct rte_eth_dev *dev;
2604         unsigned int i;
2605         int ret;
2606
2607         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2608         ret = get_xstats_count(port_id);
2609         if (ret < 0)
2610                 return ret;
2611         expected_entries = (uint16_t)ret;
2612         struct rte_eth_xstat xstats[expected_entries];
2613         dev = &rte_eth_devices[port_id];
2614         basic_count = get_xstats_basic_count(dev);
2615
2616         /* Return max number of stats if no ids given */
2617         if (!ids) {
2618                 if (!values)
2619                         return expected_entries;
2620                 else if (values && size < expected_entries)
2621                         return expected_entries;
2622         }
2623
2624         if (ids && !values)
2625                 return -EINVAL;
2626
2627         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2628                 unsigned int basic_count = get_xstats_basic_count(dev);
2629                 uint64_t ids_copy[size];
2630
2631                 for (i = 0; i < size; i++) {
2632                         if (ids[i] < basic_count) {
2633                                 no_basic_stat_requested = 0;
2634                                 break;
2635                         }
2636
2637                         /*
2638                          * Convert ids to xstats ids that PMD knows.
2639                          * ids known by user are basic + extended stats.
2640                          */
2641                         ids_copy[i] = ids[i] - basic_count;
2642                 }
2643
2644                 if (no_basic_stat_requested)
2645                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2646                                         values, size);
2647         }
2648
2649         if (ids) {
2650                 for (i = 0; i < size; i++) {
2651                         if (ids[i] >= basic_count) {
2652                                 no_ext_stat_requested = 0;
2653                                 break;
2654                         }
2655                 }
2656         }
2657
2658         /* Fill the xstats structure */
2659         if (ids && no_ext_stat_requested)
2660                 ret = rte_eth_basic_stats_get(port_id, xstats);
2661         else
2662                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2663
2664         if (ret < 0)
2665                 return ret;
2666         num_xstats_filled = (unsigned int)ret;
2667
2668         /* Return all stats */
2669         if (!ids) {
2670                 for (i = 0; i < num_xstats_filled; i++)
2671                         values[i] = xstats[i].value;
2672                 return expected_entries;
2673         }
2674
2675         /* Filter stats */
2676         for (i = 0; i < size; i++) {
2677                 if (ids[i] >= expected_entries) {
2678                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2679                         return -1;
2680                 }
2681                 values[i] = xstats[ids[i]].value;
2682         }
2683         return size;
2684 }
2685
2686 int
2687 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2688         unsigned int n)
2689 {
2690         struct rte_eth_dev *dev;
2691         unsigned int count = 0, i;
2692         signed int xcount = 0;
2693         uint16_t nb_rxqs, nb_txqs;
2694         int ret;
2695
2696         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2697
2698         dev = &rte_eth_devices[port_id];
2699
2700         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2701         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2702
2703         /* Return generic statistics */
2704         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2705                 (nb_txqs * RTE_NB_TXQ_STATS);
2706
2707         /* implemented by the driver */
2708         if (dev->dev_ops->xstats_get != NULL) {
2709                 /* Retrieve the xstats from the driver at the end of the
2710                  * xstats struct.
2711                  */
2712                 xcount = (*dev->dev_ops->xstats_get)(dev,
2713                                      xstats ? xstats + count : NULL,
2714                                      (n > count) ? n - count : 0);
2715
2716                 if (xcount < 0)
2717                         return eth_err(port_id, xcount);
2718         }
2719
2720         if (n < count + xcount || xstats == NULL)
2721                 return count + xcount;
2722
2723         /* now fill the xstats structure */
2724         ret = rte_eth_basic_stats_get(port_id, xstats);
2725         if (ret < 0)
2726                 return ret;
2727         count = ret;
2728
2729         for (i = 0; i < count; i++)
2730                 xstats[i].id = i;
2731         /* add an offset to driver-specific stats */
2732         for ( ; i < count + xcount; i++)
2733                 xstats[i].id += count;
2734
2735         return count + xcount;
2736 }
2737
2738 /* reset ethdev extended statistics */
2739 int
2740 rte_eth_xstats_reset(uint16_t port_id)
2741 {
2742         struct rte_eth_dev *dev;
2743
2744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2745         dev = &rte_eth_devices[port_id];
2746
2747         /* implemented by the driver */
2748         if (dev->dev_ops->xstats_reset != NULL)
2749                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2750
2751         /* fallback to default */
2752         return rte_eth_stats_reset(port_id);
2753 }
2754
2755 static int
2756 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2757                 uint8_t is_rx)
2758 {
2759         struct rte_eth_dev *dev;
2760
2761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2762
2763         dev = &rte_eth_devices[port_id];
2764
2765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2766
2767         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2768                 return -EINVAL;
2769
2770         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2771                 return -EINVAL;
2772
2773         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2774                 return -EINVAL;
2775
2776         return (*dev->dev_ops->queue_stats_mapping_set)
2777                         (dev, queue_id, stat_idx, is_rx);
2778 }
2779
2780
2781 int
2782 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2783                 uint8_t stat_idx)
2784 {
2785         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2786                                                 stat_idx, STAT_QMAP_TX));
2787 }
2788
2789
2790 int
2791 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2792                 uint8_t stat_idx)
2793 {
2794         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2795                                                 stat_idx, STAT_QMAP_RX));
2796 }
2797
2798 int
2799 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2800 {
2801         struct rte_eth_dev *dev;
2802
2803         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2804         dev = &rte_eth_devices[port_id];
2805
2806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2807         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2808                                                         fw_version, fw_size));
2809 }
2810
2811 int
2812 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2813 {
2814         struct rte_eth_dev *dev;
2815         const struct rte_eth_desc_lim lim = {
2816                 .nb_max = UINT16_MAX,
2817                 .nb_min = 0,
2818                 .nb_align = 1,
2819                 .nb_seg_max = UINT16_MAX,
2820                 .nb_mtu_seg_max = UINT16_MAX,
2821         };
2822         int diag;
2823
2824         /*
2825          * Init dev_info before port_id check since caller does not have
2826          * return status and does not know if get is successful or not.
2827          */
2828         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2829
2830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2831         dev = &rte_eth_devices[port_id];
2832
2833         dev_info->rx_desc_lim = lim;
2834         dev_info->tx_desc_lim = lim;
2835         dev_info->device = dev->device;
2836         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2837         dev_info->max_mtu = UINT16_MAX;
2838
2839         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2840         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2841         if (diag != 0) {
2842                 /* Cleanup already filled in device information */
2843                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2844                 return eth_err(port_id, diag);
2845         }
2846
2847         dev_info->driver_name = dev->device->driver->name;
2848         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2849         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2850
2851         dev_info->dev_flags = &dev->data->dev_flags;
2852
2853         return 0;
2854 }
2855
2856 int
2857 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2858                                  uint32_t *ptypes, int num)
2859 {
2860         int i, j;
2861         struct rte_eth_dev *dev;
2862         const uint32_t *all_ptypes;
2863
2864         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2865         dev = &rte_eth_devices[port_id];
2866         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2867         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2868
2869         if (!all_ptypes)
2870                 return 0;
2871
2872         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2873                 if (all_ptypes[i] & ptype_mask) {
2874                         if (j < num)
2875                                 ptypes[j] = all_ptypes[i];
2876                         j++;
2877                 }
2878
2879         return j;
2880 }
2881
2882 int
2883 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
2884                                  uint32_t *set_ptypes, unsigned int num)
2885 {
2886         const uint32_t valid_ptype_masks[] = {
2887                 RTE_PTYPE_L2_MASK,
2888                 RTE_PTYPE_L3_MASK,
2889                 RTE_PTYPE_L4_MASK,
2890                 RTE_PTYPE_TUNNEL_MASK,
2891                 RTE_PTYPE_INNER_L2_MASK,
2892                 RTE_PTYPE_INNER_L3_MASK,
2893                 RTE_PTYPE_INNER_L4_MASK,
2894         };
2895         const uint32_t *all_ptypes;
2896         struct rte_eth_dev *dev;
2897         uint32_t unused_mask;
2898         unsigned int i, j;
2899         int ret;
2900
2901         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2902         dev = &rte_eth_devices[port_id];
2903
2904         if (num > 0 && set_ptypes == NULL)
2905                 return -EINVAL;
2906
2907         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
2908                         *dev->dev_ops->dev_ptypes_set == NULL) {
2909                 ret = 0;
2910                 goto ptype_unknown;
2911         }
2912
2913         if (ptype_mask == 0) {
2914                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
2915                                 ptype_mask);
2916                 goto ptype_unknown;
2917         }
2918
2919         unused_mask = ptype_mask;
2920         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
2921                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
2922                 if (mask && mask != valid_ptype_masks[i]) {
2923                         ret = -EINVAL;
2924                         goto ptype_unknown;
2925                 }
2926                 unused_mask &= ~valid_ptype_masks[i];
2927         }
2928
2929         if (unused_mask) {
2930                 ret = -EINVAL;
2931                 goto ptype_unknown;
2932         }
2933
2934         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2935         if (all_ptypes == NULL) {
2936                 ret = 0;
2937                 goto ptype_unknown;
2938         }
2939
2940         /*
2941          * Accommodate as many set_ptypes as possible. If the supplied
2942          * set_ptypes array is insufficient fill it partially.
2943          */
2944         for (i = 0, j = 0; set_ptypes != NULL &&
2945                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
2946                 if (ptype_mask & all_ptypes[i]) {
2947                         if (j < num - 1) {
2948                                 set_ptypes[j] = all_ptypes[i];
2949                                 j++;
2950                                 continue;
2951                         }
2952                         break;
2953                 }
2954         }
2955
2956         if (set_ptypes != NULL && j < num)
2957                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
2958
2959         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
2960
2961 ptype_unknown:
2962         if (num > 0)
2963                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
2964
2965         return ret;
2966 }
2967
2968 int
2969 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2970 {
2971         struct rte_eth_dev *dev;
2972
2973         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2974         dev = &rte_eth_devices[port_id];
2975         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2976
2977         return 0;
2978 }
2979
2980 int
2981 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2982 {
2983         struct rte_eth_dev *dev;
2984
2985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2986
2987         dev = &rte_eth_devices[port_id];
2988         *mtu = dev->data->mtu;
2989         return 0;
2990 }
2991
2992 int
2993 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2994 {
2995         int ret;
2996         struct rte_eth_dev_info dev_info;
2997         struct rte_eth_dev *dev;
2998
2999         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3000         dev = &rte_eth_devices[port_id];
3001         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3002
3003         /*
3004          * Check if the device supports dev_infos_get, if it does not
3005          * skip min_mtu/max_mtu validation here as this requires values
3006          * that are populated within the call to rte_eth_dev_info_get()
3007          * which relies on dev->dev_ops->dev_infos_get.
3008          */
3009         if (*dev->dev_ops->dev_infos_get != NULL) {
3010                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3011                 if (ret != 0)
3012                         return ret;
3013
3014                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3015                         return -EINVAL;
3016         }
3017
3018         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3019         if (!ret)
3020                 dev->data->mtu = mtu;
3021
3022         return eth_err(port_id, ret);
3023 }
3024
3025 int
3026 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3027 {
3028         struct rte_eth_dev *dev;
3029         int ret;
3030
3031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3032         dev = &rte_eth_devices[port_id];
3033         if (!(dev->data->dev_conf.rxmode.offloads &
3034               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3035                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3036                         port_id);
3037                 return -ENOSYS;
3038         }
3039
3040         if (vlan_id > 4095) {
3041                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3042                         port_id, vlan_id);
3043                 return -EINVAL;
3044         }
3045         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3046
3047         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3048         if (ret == 0) {
3049                 struct rte_vlan_filter_conf *vfc;
3050                 int vidx;
3051                 int vbit;
3052
3053                 vfc = &dev->data->vlan_filter_conf;
3054                 vidx = vlan_id / 64;
3055                 vbit = vlan_id % 64;
3056
3057                 if (on)
3058                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3059                 else
3060                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3061         }
3062
3063         return eth_err(port_id, ret);
3064 }
3065
3066 int
3067 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3068                                     int on)
3069 {
3070         struct rte_eth_dev *dev;
3071
3072         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3073         dev = &rte_eth_devices[port_id];
3074         if (rx_queue_id >= dev->data->nb_rx_queues) {
3075                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3076                 return -EINVAL;
3077         }
3078
3079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3080         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3081
3082         return 0;
3083 }
3084
3085 int
3086 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3087                                 enum rte_vlan_type vlan_type,
3088                                 uint16_t tpid)
3089 {
3090         struct rte_eth_dev *dev;
3091
3092         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3093         dev = &rte_eth_devices[port_id];
3094         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3095
3096         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3097                                                                tpid));
3098 }
3099
3100 int
3101 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3102 {
3103         struct rte_eth_dev *dev;
3104         int ret = 0;
3105         int mask = 0;
3106         int cur, org = 0;
3107         uint64_t orig_offloads;
3108         uint64_t *dev_offloads;
3109
3110         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3111         dev = &rte_eth_devices[port_id];
3112
3113         /* save original values in case of failure */
3114         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3115         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3116
3117         /*check which option changed by application*/
3118         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3119         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3120         if (cur != org) {
3121                 if (cur)
3122                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3123                 else
3124                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3125                 mask |= ETH_VLAN_STRIP_MASK;
3126         }
3127
3128         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3129         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3130         if (cur != org) {
3131                 if (cur)
3132                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3133                 else
3134                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3135                 mask |= ETH_VLAN_FILTER_MASK;
3136         }
3137
3138         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3139         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3140         if (cur != org) {
3141                 if (cur)
3142                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3143                 else
3144                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3145                 mask |= ETH_VLAN_EXTEND_MASK;
3146         }
3147
3148         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3149         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3150         if (cur != org) {
3151                 if (cur)
3152                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3153                 else
3154                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3155                 mask |= ETH_QINQ_STRIP_MASK;
3156         }
3157
3158         /*no change*/
3159         if (mask == 0)
3160                 return ret;
3161
3162         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3163         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3164         if (ret) {
3165                 /* hit an error restore  original values */
3166                 *dev_offloads = orig_offloads;
3167         }
3168
3169         return eth_err(port_id, ret);
3170 }
3171
3172 int
3173 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3174 {
3175         struct rte_eth_dev *dev;
3176         uint64_t *dev_offloads;
3177         int ret = 0;
3178
3179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3180         dev = &rte_eth_devices[port_id];
3181         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3182
3183         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3184                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3185
3186         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3187                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3188
3189         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3190                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3191
3192         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3193                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3194
3195         return ret;
3196 }
3197
3198 int
3199 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3200 {
3201         struct rte_eth_dev *dev;
3202
3203         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3204         dev = &rte_eth_devices[port_id];
3205         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3206
3207         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3208 }
3209
3210 int
3211 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3212 {
3213         struct rte_eth_dev *dev;
3214
3215         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3216         dev = &rte_eth_devices[port_id];
3217         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3218         memset(fc_conf, 0, sizeof(*fc_conf));
3219         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3220 }
3221
3222 int
3223 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3224 {
3225         struct rte_eth_dev *dev;
3226
3227         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3228         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3229                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3230                 return -EINVAL;
3231         }
3232
3233         dev = &rte_eth_devices[port_id];
3234         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3235         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3236 }
3237
3238 int
3239 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3240                                    struct rte_eth_pfc_conf *pfc_conf)
3241 {
3242         struct rte_eth_dev *dev;
3243
3244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3245         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3246                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3247                 return -EINVAL;
3248         }
3249
3250         dev = &rte_eth_devices[port_id];
3251         /* High water, low water validation are device specific */
3252         if  (*dev->dev_ops->priority_flow_ctrl_set)
3253                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3254                                         (dev, pfc_conf));
3255         return -ENOTSUP;
3256 }
3257
3258 static int
3259 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3260                         uint16_t reta_size)
3261 {
3262         uint16_t i, num;
3263
3264         if (!reta_conf)
3265                 return -EINVAL;
3266
3267         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3268         for (i = 0; i < num; i++) {
3269                 if (reta_conf[i].mask)
3270                         return 0;
3271         }
3272
3273         return -EINVAL;
3274 }
3275
3276 static int
3277 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3278                          uint16_t reta_size,
3279                          uint16_t max_rxq)
3280 {
3281         uint16_t i, idx, shift;
3282
3283         if (!reta_conf)
3284                 return -EINVAL;
3285
3286         if (max_rxq == 0) {
3287                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3288                 return -EINVAL;
3289         }
3290
3291         for (i = 0; i < reta_size; i++) {
3292                 idx = i / RTE_RETA_GROUP_SIZE;
3293                 shift = i % RTE_RETA_GROUP_SIZE;
3294                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3295                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3296                         RTE_ETHDEV_LOG(ERR,
3297                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3298                                 idx, shift,
3299                                 reta_conf[idx].reta[shift], max_rxq);
3300                         return -EINVAL;
3301                 }
3302         }
3303
3304         return 0;
3305 }
3306
3307 int
3308 rte_eth_dev_rss_reta_update(uint16_t port_id,
3309                             struct rte_eth_rss_reta_entry64 *reta_conf,
3310                             uint16_t reta_size)
3311 {
3312         struct rte_eth_dev *dev;
3313         int ret;
3314
3315         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3316         /* Check mask bits */
3317         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3318         if (ret < 0)
3319                 return ret;
3320
3321         dev = &rte_eth_devices[port_id];
3322
3323         /* Check entry value */
3324         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3325                                 dev->data->nb_rx_queues);
3326         if (ret < 0)
3327                 return ret;
3328
3329         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3330         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3331                                                              reta_size));
3332 }
3333
3334 int
3335 rte_eth_dev_rss_reta_query(uint16_t port_id,
3336                            struct rte_eth_rss_reta_entry64 *reta_conf,
3337                            uint16_t reta_size)
3338 {
3339         struct rte_eth_dev *dev;
3340         int ret;
3341
3342         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3343
3344         /* Check mask bits */
3345         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3346         if (ret < 0)
3347                 return ret;
3348
3349         dev = &rte_eth_devices[port_id];
3350         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3351         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3352                                                             reta_size));
3353 }
3354
3355 int
3356 rte_eth_dev_rss_hash_update(uint16_t port_id,
3357                             struct rte_eth_rss_conf *rss_conf)
3358 {
3359         struct rte_eth_dev *dev;
3360         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3361         int ret;
3362
3363         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3364
3365         ret = rte_eth_dev_info_get(port_id, &dev_info);
3366         if (ret != 0)
3367                 return ret;
3368
3369         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3370
3371         dev = &rte_eth_devices[port_id];
3372         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3373             dev_info.flow_type_rss_offloads) {
3374                 RTE_ETHDEV_LOG(ERR,
3375                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3376                         port_id, rss_conf->rss_hf,
3377                         dev_info.flow_type_rss_offloads);
3378                 return -EINVAL;
3379         }
3380         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3381         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3382                                                                  rss_conf));
3383 }
3384
3385 int
3386 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3387                               struct rte_eth_rss_conf *rss_conf)
3388 {
3389         struct rte_eth_dev *dev;
3390
3391         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3392         dev = &rte_eth_devices[port_id];
3393         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3394         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3395                                                                    rss_conf));
3396 }
3397
3398 int
3399 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3400                                 struct rte_eth_udp_tunnel *udp_tunnel)
3401 {
3402         struct rte_eth_dev *dev;
3403
3404         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3405         if (udp_tunnel == NULL) {
3406                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3407                 return -EINVAL;
3408         }
3409
3410         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3411                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3412                 return -EINVAL;
3413         }
3414
3415         dev = &rte_eth_devices[port_id];
3416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3417         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3418                                                                 udp_tunnel));
3419 }
3420
3421 int
3422 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3423                                    struct rte_eth_udp_tunnel *udp_tunnel)
3424 {
3425         struct rte_eth_dev *dev;
3426
3427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3428         dev = &rte_eth_devices[port_id];
3429
3430         if (udp_tunnel == NULL) {
3431                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3432                 return -EINVAL;
3433         }
3434
3435         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3436                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3437                 return -EINVAL;
3438         }
3439
3440         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3441         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3442                                                                 udp_tunnel));
3443 }
3444
3445 int
3446 rte_eth_led_on(uint16_t port_id)
3447 {
3448         struct rte_eth_dev *dev;
3449
3450         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3451         dev = &rte_eth_devices[port_id];
3452         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3453         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3454 }
3455
3456 int
3457 rte_eth_led_off(uint16_t port_id)
3458 {
3459         struct rte_eth_dev *dev;
3460
3461         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3462         dev = &rte_eth_devices[port_id];
3463         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3464         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3465 }
3466
3467 /*
3468  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3469  * an empty spot.
3470  */
3471 static int
3472 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3473 {
3474         struct rte_eth_dev_info dev_info;
3475         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3476         unsigned i;
3477         int ret;
3478
3479         ret = rte_eth_dev_info_get(port_id, &dev_info);
3480         if (ret != 0)
3481                 return -1;
3482
3483         for (i = 0; i < dev_info.max_mac_addrs; i++)
3484                 if (memcmp(addr, &dev->data->mac_addrs[i],
3485                                 RTE_ETHER_ADDR_LEN) == 0)
3486                         return i;
3487
3488         return -1;
3489 }
3490
3491 static const struct rte_ether_addr null_mac_addr;
3492
3493 int
3494 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3495                         uint32_t pool)
3496 {
3497         struct rte_eth_dev *dev;
3498         int index;
3499         uint64_t pool_mask;
3500         int ret;
3501
3502         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3503         dev = &rte_eth_devices[port_id];
3504         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3505
3506         if (rte_is_zero_ether_addr(addr)) {
3507                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3508                         port_id);
3509                 return -EINVAL;
3510         }
3511         if (pool >= ETH_64_POOLS) {
3512                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3513                 return -EINVAL;
3514         }
3515
3516         index = get_mac_addr_index(port_id, addr);
3517         if (index < 0) {
3518                 index = get_mac_addr_index(port_id, &null_mac_addr);
3519                 if (index < 0) {
3520                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3521                                 port_id);
3522                         return -ENOSPC;
3523                 }
3524         } else {
3525                 pool_mask = dev->data->mac_pool_sel[index];
3526
3527                 /* Check if both MAC address and pool is already there, and do nothing */
3528                 if (pool_mask & (1ULL << pool))
3529                         return 0;
3530         }
3531
3532         /* Update NIC */
3533         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3534
3535         if (ret == 0) {
3536                 /* Update address in NIC data structure */
3537                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3538
3539                 /* Update pool bitmap in NIC data structure */
3540                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3541         }
3542
3543         return eth_err(port_id, ret);
3544 }
3545
3546 int
3547 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3548 {
3549         struct rte_eth_dev *dev;
3550         int index;
3551
3552         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3553         dev = &rte_eth_devices[port_id];
3554         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3555
3556         index = get_mac_addr_index(port_id, addr);
3557         if (index == 0) {
3558                 RTE_ETHDEV_LOG(ERR,
3559                         "Port %u: Cannot remove default MAC address\n",
3560                         port_id);
3561                 return -EADDRINUSE;
3562         } else if (index < 0)
3563                 return 0;  /* Do nothing if address wasn't found */
3564
3565         /* Update NIC */
3566         (*dev->dev_ops->mac_addr_remove)(dev, index);
3567
3568         /* Update address in NIC data structure */
3569         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3570
3571         /* reset pool bitmap */
3572         dev->data->mac_pool_sel[index] = 0;
3573
3574         return 0;
3575 }
3576
3577 int
3578 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3579 {
3580         struct rte_eth_dev *dev;
3581         int ret;
3582
3583         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3584
3585         if (!rte_is_valid_assigned_ether_addr(addr))
3586                 return -EINVAL;
3587
3588         dev = &rte_eth_devices[port_id];
3589         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3590
3591         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3592         if (ret < 0)
3593                 return ret;
3594
3595         /* Update default address in NIC data structure */
3596         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3597
3598         return 0;
3599 }
3600
3601
3602 /*
3603  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3604  * an empty spot.
3605  */
3606 static int
3607 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3608 {
3609         struct rte_eth_dev_info dev_info;
3610         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3611         unsigned i;
3612         int ret;
3613
3614         ret = rte_eth_dev_info_get(port_id, &dev_info);
3615         if (ret != 0)
3616                 return -1;
3617
3618         if (!dev->data->hash_mac_addrs)
3619                 return -1;
3620
3621         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3622                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3623                         RTE_ETHER_ADDR_LEN) == 0)
3624                         return i;
3625
3626         return -1;
3627 }
3628
3629 int
3630 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3631                                 uint8_t on)
3632 {
3633         int index;
3634         int ret;
3635         struct rte_eth_dev *dev;
3636
3637         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3638
3639         dev = &rte_eth_devices[port_id];
3640         if (rte_is_zero_ether_addr(addr)) {
3641                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3642                         port_id);
3643                 return -EINVAL;
3644         }
3645
3646         index = get_hash_mac_addr_index(port_id, addr);
3647         /* Check if it's already there, and do nothing */
3648         if ((index >= 0) && on)
3649                 return 0;
3650
3651         if (index < 0) {
3652                 if (!on) {
3653                         RTE_ETHDEV_LOG(ERR,
3654                                 "Port %u: the MAC address was not set in UTA\n",
3655                                 port_id);
3656                         return -EINVAL;
3657                 }
3658
3659                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3660                 if (index < 0) {
3661                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3662                                 port_id);
3663                         return -ENOSPC;
3664                 }
3665         }
3666
3667         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3668         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3669         if (ret == 0) {
3670                 /* Update address in NIC data structure */
3671                 if (on)
3672                         rte_ether_addr_copy(addr,
3673                                         &dev->data->hash_mac_addrs[index]);
3674                 else
3675                         rte_ether_addr_copy(&null_mac_addr,
3676                                         &dev->data->hash_mac_addrs[index]);
3677         }
3678
3679         return eth_err(port_id, ret);
3680 }
3681
3682 int
3683 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3684 {
3685         struct rte_eth_dev *dev;
3686
3687         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3688
3689         dev = &rte_eth_devices[port_id];
3690
3691         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3692         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3693                                                                        on));
3694 }
3695
3696 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3697                                         uint16_t tx_rate)
3698 {
3699         struct rte_eth_dev *dev;
3700         struct rte_eth_dev_info dev_info;
3701         struct rte_eth_link link;
3702         int ret;
3703
3704         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3705
3706         ret = rte_eth_dev_info_get(port_id, &dev_info);
3707         if (ret != 0)
3708                 return ret;
3709
3710         dev = &rte_eth_devices[port_id];
3711         link = dev->data->dev_link;
3712
3713         if (queue_idx > dev_info.max_tx_queues) {
3714                 RTE_ETHDEV_LOG(ERR,
3715                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3716                         port_id, queue_idx);
3717                 return -EINVAL;
3718         }
3719
3720         if (tx_rate > link.link_speed) {
3721                 RTE_ETHDEV_LOG(ERR,
3722                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3723                         tx_rate, link.link_speed);
3724                 return -EINVAL;
3725         }
3726
3727         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3728         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3729                                                         queue_idx, tx_rate));
3730 }
3731
3732 int
3733 rte_eth_mirror_rule_set(uint16_t port_id,
3734                         struct rte_eth_mirror_conf *mirror_conf,
3735                         uint8_t rule_id, uint8_t on)
3736 {
3737         struct rte_eth_dev *dev;
3738
3739         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3740         if (mirror_conf->rule_type == 0) {
3741                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3742                 return -EINVAL;
3743         }
3744
3745         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3746                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3747                         ETH_64_POOLS - 1);
3748                 return -EINVAL;
3749         }
3750
3751         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3752              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3753             (mirror_conf->pool_mask == 0)) {
3754                 RTE_ETHDEV_LOG(ERR,
3755                         "Invalid mirror pool, pool mask can not be 0\n");
3756                 return -EINVAL;
3757         }
3758
3759         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3760             mirror_conf->vlan.vlan_mask == 0) {
3761                 RTE_ETHDEV_LOG(ERR,
3762                         "Invalid vlan mask, vlan mask can not be 0\n");
3763                 return -EINVAL;
3764         }
3765
3766         dev = &rte_eth_devices[port_id];
3767         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3768
3769         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3770                                                 mirror_conf, rule_id, on));
3771 }
3772
3773 int
3774 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3775 {
3776         struct rte_eth_dev *dev;
3777
3778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3779
3780         dev = &rte_eth_devices[port_id];
3781         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3782
3783         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3784                                                                    rule_id));
3785 }
3786
3787 RTE_INIT(eth_dev_init_cb_lists)
3788 {
3789         int i;
3790
3791         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3792                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3793 }
3794
3795 int
3796 rte_eth_dev_callback_register(uint16_t port_id,
3797                         enum rte_eth_event_type event,
3798                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3799 {
3800         struct rte_eth_dev *dev;
3801         struct rte_eth_dev_callback *user_cb;
3802         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3803         uint16_t last_port;
3804
3805         if (!cb_fn)
3806                 return -EINVAL;
3807
3808         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3809                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3810                 return -EINVAL;
3811         }
3812
3813         if (port_id == RTE_ETH_ALL) {
3814                 next_port = 0;
3815                 last_port = RTE_MAX_ETHPORTS - 1;
3816         } else {
3817                 next_port = last_port = port_id;
3818         }
3819
3820         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3821
3822         do {
3823                 dev = &rte_eth_devices[next_port];
3824
3825                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3826                         if (user_cb->cb_fn == cb_fn &&
3827                                 user_cb->cb_arg == cb_arg &&
3828                                 user_cb->event == event) {
3829                                 break;
3830                         }
3831                 }
3832
3833                 /* create a new callback. */
3834                 if (user_cb == NULL) {
3835                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3836                                 sizeof(struct rte_eth_dev_callback), 0);
3837                         if (user_cb != NULL) {
3838                                 user_cb->cb_fn = cb_fn;
3839                                 user_cb->cb_arg = cb_arg;
3840                                 user_cb->event = event;
3841                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3842                                                   user_cb, next);
3843                         } else {
3844                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3845                                 rte_eth_dev_callback_unregister(port_id, event,
3846                                                                 cb_fn, cb_arg);
3847                                 return -ENOMEM;
3848                         }
3849
3850                 }
3851         } while (++next_port <= last_port);
3852
3853         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3854         return 0;
3855 }
3856
3857 int
3858 rte_eth_dev_callback_unregister(uint16_t port_id,
3859                         enum rte_eth_event_type event,
3860                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3861 {
3862         int ret;
3863         struct rte_eth_dev *dev;
3864         struct rte_eth_dev_callback *cb, *next;
3865         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3866         uint16_t last_port;
3867
3868         if (!cb_fn)
3869                 return -EINVAL;
3870
3871         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3872                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3873                 return -EINVAL;
3874         }
3875
3876         if (port_id == RTE_ETH_ALL) {
3877                 next_port = 0;
3878                 last_port = RTE_MAX_ETHPORTS - 1;
3879         } else {
3880                 next_port = last_port = port_id;
3881         }
3882
3883         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3884
3885         do {
3886                 dev = &rte_eth_devices[next_port];
3887                 ret = 0;
3888                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3889                      cb = next) {
3890
3891                         next = TAILQ_NEXT(cb, next);
3892
3893                         if (cb->cb_fn != cb_fn || cb->event != event ||
3894                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3895                                 continue;
3896
3897                         /*
3898                          * if this callback is not executing right now,
3899                          * then remove it.
3900                          */
3901                         if (cb->active == 0) {
3902                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3903                                 rte_free(cb);
3904                         } else {
3905                                 ret = -EAGAIN;
3906                         }
3907                 }
3908         } while (++next_port <= last_port);
3909
3910         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3911         return ret;
3912 }
3913
3914 int
3915 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3916         enum rte_eth_event_type event, void *ret_param)
3917 {
3918         struct rte_eth_dev_callback *cb_lst;
3919         struct rte_eth_dev_callback dev_cb;
3920         int rc = 0;
3921
3922         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3923         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3924                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3925                         continue;
3926                 dev_cb = *cb_lst;
3927                 cb_lst->active = 1;
3928                 if (ret_param != NULL)
3929                         dev_cb.ret_param = ret_param;
3930
3931                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3932                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3933                                 dev_cb.cb_arg, dev_cb.ret_param);
3934                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3935                 cb_lst->active = 0;
3936         }
3937         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3938         return rc;
3939 }
3940
3941 void
3942 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3943 {
3944         if (dev == NULL)
3945                 return;
3946
3947         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3948
3949         dev->state = RTE_ETH_DEV_ATTACHED;
3950 }
3951
3952 int
3953 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3954 {
3955         uint32_t vec;
3956         struct rte_eth_dev *dev;
3957         struct rte_intr_handle *intr_handle;
3958         uint16_t qid;
3959         int rc;
3960
3961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3962
3963         dev = &rte_eth_devices[port_id];
3964
3965         if (!dev->intr_handle) {
3966                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3967                 return -ENOTSUP;
3968         }
3969
3970         intr_handle = dev->intr_handle;
3971         if (!intr_handle->intr_vec) {
3972                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3973                 return -EPERM;
3974         }
3975
3976         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3977                 vec = intr_handle->intr_vec[qid];
3978                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3979                 if (rc && rc != -EEXIST) {
3980                         RTE_ETHDEV_LOG(ERR,
3981                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3982                                 port_id, qid, op, epfd, vec);
3983                 }
3984         }
3985
3986         return 0;
3987 }
3988
3989 int
3990 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3991 {
3992         struct rte_intr_handle *intr_handle;
3993         struct rte_eth_dev *dev;
3994         unsigned int efd_idx;
3995         uint32_t vec;
3996         int fd;
3997
3998         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3999
4000         dev = &rte_eth_devices[port_id];
4001
4002         if (queue_id >= dev->data->nb_rx_queues) {
4003                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4004                 return -1;
4005         }
4006
4007         if (!dev->intr_handle) {
4008                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4009                 return -1;
4010         }
4011
4012         intr_handle = dev->intr_handle;
4013         if (!intr_handle->intr_vec) {
4014                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4015                 return -1;
4016         }
4017
4018         vec = intr_handle->intr_vec[queue_id];
4019         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4020                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4021         fd = intr_handle->efds[efd_idx];
4022
4023         return fd;
4024 }
4025
4026 const struct rte_memzone *
4027 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4028                          uint16_t queue_id, size_t size, unsigned align,
4029                          int socket_id)
4030 {
4031         char z_name[RTE_MEMZONE_NAMESIZE];
4032         const struct rte_memzone *mz;
4033         int rc;
4034
4035         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
4036                       dev->data->port_id, queue_id, ring_name);
4037         if (rc >= RTE_MEMZONE_NAMESIZE) {
4038                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4039                 rte_errno = ENAMETOOLONG;
4040                 return NULL;
4041         }
4042
4043         mz = rte_memzone_lookup(z_name);
4044         if (mz)
4045                 return mz;
4046
4047         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4048                         RTE_MEMZONE_IOVA_CONTIG, align);
4049 }
4050
4051 int
4052 rte_eth_dev_create(struct rte_device *device, const char *name,
4053         size_t priv_data_size,
4054         ethdev_bus_specific_init ethdev_bus_specific_init,
4055         void *bus_init_params,
4056         ethdev_init_t ethdev_init, void *init_params)
4057 {
4058         struct rte_eth_dev *ethdev;
4059         int retval;
4060
4061         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4062
4063         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4064                 ethdev = rte_eth_dev_allocate(name);
4065                 if (!ethdev)
4066                         return -ENODEV;
4067
4068                 if (priv_data_size) {
4069                         ethdev->data->dev_private = rte_zmalloc_socket(
4070                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4071                                 device->numa_node);
4072
4073                         if (!ethdev->data->dev_private) {
4074                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
4075                                 retval = -ENOMEM;
4076                                 goto probe_failed;
4077                         }
4078                 }
4079         } else {
4080                 ethdev = rte_eth_dev_attach_secondary(name);
4081                 if (!ethdev) {
4082                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
4083                                 "ethdev doesn't exist");
4084                         return  -ENODEV;
4085                 }
4086         }
4087
4088         ethdev->device = device;
4089
4090         if (ethdev_bus_specific_init) {
4091                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4092                 if (retval) {
4093                         RTE_LOG(ERR, EAL,
4094                                 "ethdev bus specific initialisation failed");
4095                         goto probe_failed;
4096                 }
4097         }
4098
4099         retval = ethdev_init(ethdev, init_params);
4100         if (retval) {
4101                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
4102                 goto probe_failed;
4103         }
4104
4105         rte_eth_dev_probing_finish(ethdev);
4106
4107         return retval;
4108
4109 probe_failed:
4110         rte_eth_dev_release_port(ethdev);
4111         return retval;
4112 }
4113
4114 int
4115 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4116         ethdev_uninit_t ethdev_uninit)
4117 {
4118         int ret;
4119
4120         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4121         if (!ethdev)
4122                 return -ENODEV;
4123
4124         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4125
4126         ret = ethdev_uninit(ethdev);
4127         if (ret)
4128                 return ret;
4129
4130         return rte_eth_dev_release_port(ethdev);
4131 }
4132
4133 int
4134 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4135                           int epfd, int op, void *data)
4136 {
4137         uint32_t vec;
4138         struct rte_eth_dev *dev;
4139         struct rte_intr_handle *intr_handle;
4140         int rc;
4141
4142         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4143
4144         dev = &rte_eth_devices[port_id];
4145         if (queue_id >= dev->data->nb_rx_queues) {
4146                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4147                 return -EINVAL;
4148         }
4149
4150         if (!dev->intr_handle) {
4151                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4152                 return -ENOTSUP;
4153         }
4154
4155         intr_handle = dev->intr_handle;
4156         if (!intr_handle->intr_vec) {
4157                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4158                 return -EPERM;
4159         }
4160
4161         vec = intr_handle->intr_vec[queue_id];
4162         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4163         if (rc && rc != -EEXIST) {
4164                 RTE_ETHDEV_LOG(ERR,
4165                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4166                         port_id, queue_id, op, epfd, vec);
4167                 return rc;
4168         }
4169
4170         return 0;
4171 }
4172
4173 int
4174 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4175                            uint16_t queue_id)
4176 {
4177         struct rte_eth_dev *dev;
4178
4179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4180
4181         dev = &rte_eth_devices[port_id];
4182
4183         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4184         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
4185                                                                 queue_id));
4186 }
4187
4188 int
4189 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4190                             uint16_t queue_id)
4191 {
4192         struct rte_eth_dev *dev;
4193
4194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4195
4196         dev = &rte_eth_devices[port_id];
4197
4198         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4199         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
4200                                                                 queue_id));
4201 }
4202
4203
4204 int
4205 rte_eth_dev_filter_supported(uint16_t port_id,
4206                              enum rte_filter_type filter_type)
4207 {
4208         struct rte_eth_dev *dev;
4209
4210         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4211
4212         dev = &rte_eth_devices[port_id];
4213         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4214         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4215                                 RTE_ETH_FILTER_NOP, NULL);
4216 }
4217
4218 int
4219 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
4220                         enum rte_filter_op filter_op, void *arg)
4221 {
4222         struct rte_eth_dev *dev;
4223
4224         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4225
4226         dev = &rte_eth_devices[port_id];
4227         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4228         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4229                                                              filter_op, arg));
4230 }
4231
4232 const struct rte_eth_rxtx_callback *
4233 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4234                 rte_rx_callback_fn fn, void *user_param)
4235 {
4236 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4237         rte_errno = ENOTSUP;
4238         return NULL;
4239 #endif
4240         struct rte_eth_dev *dev;
4241
4242         /* check input parameters */
4243         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4244                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4245                 rte_errno = EINVAL;
4246                 return NULL;
4247         }
4248         dev = &rte_eth_devices[port_id];
4249         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4250                 rte_errno = EINVAL;
4251                 return NULL;
4252         }
4253         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4254
4255         if (cb == NULL) {
4256                 rte_errno = ENOMEM;
4257                 return NULL;
4258         }
4259
4260         cb->fn.rx = fn;
4261         cb->param = user_param;
4262
4263         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4264         /* Add the callbacks in fifo order. */
4265         struct rte_eth_rxtx_callback *tail =
4266                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4267
4268         if (!tail) {
4269                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4270
4271         } else {
4272                 while (tail->next)
4273                         tail = tail->next;
4274                 tail->next = cb;
4275         }
4276         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4277
4278         return cb;
4279 }
4280
4281 const struct rte_eth_rxtx_callback *
4282 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4283                 rte_rx_callback_fn fn, void *user_param)
4284 {
4285 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4286         rte_errno = ENOTSUP;
4287         return NULL;
4288 #endif
4289         /* check input parameters */
4290         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4291                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4292                 rte_errno = EINVAL;
4293                 return NULL;
4294         }
4295
4296         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4297
4298         if (cb == NULL) {
4299                 rte_errno = ENOMEM;
4300                 return NULL;
4301         }
4302
4303         cb->fn.rx = fn;
4304         cb->param = user_param;
4305
4306         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4307         /* Add the callbacks at fisrt position*/
4308         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4309         rte_smp_wmb();
4310         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4311         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4312
4313         return cb;
4314 }
4315
4316 const struct rte_eth_rxtx_callback *
4317 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4318                 rte_tx_callback_fn fn, void *user_param)
4319 {
4320 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4321         rte_errno = ENOTSUP;
4322         return NULL;
4323 #endif
4324         struct rte_eth_dev *dev;
4325
4326         /* check input parameters */
4327         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4328                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4329                 rte_errno = EINVAL;
4330                 return NULL;
4331         }
4332
4333         dev = &rte_eth_devices[port_id];
4334         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4335                 rte_errno = EINVAL;
4336                 return NULL;
4337         }
4338
4339         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4340
4341         if (cb == NULL) {
4342                 rte_errno = ENOMEM;
4343                 return NULL;
4344         }
4345
4346         cb->fn.tx = fn;
4347         cb->param = user_param;
4348
4349         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4350         /* Add the callbacks in fifo order. */
4351         struct rte_eth_rxtx_callback *tail =
4352                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4353
4354         if (!tail) {
4355                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4356
4357         } else {
4358                 while (tail->next)
4359                         tail = tail->next;
4360                 tail->next = cb;
4361         }
4362         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4363
4364         return cb;
4365 }
4366
4367 int
4368 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4369                 const struct rte_eth_rxtx_callback *user_cb)
4370 {
4371 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4372         return -ENOTSUP;
4373 #endif
4374         /* Check input parameters. */
4375         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4376         if (user_cb == NULL ||
4377                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4378                 return -EINVAL;
4379
4380         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4381         struct rte_eth_rxtx_callback *cb;
4382         struct rte_eth_rxtx_callback **prev_cb;
4383         int ret = -EINVAL;
4384
4385         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4386         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4387         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4388                 cb = *prev_cb;
4389                 if (cb == user_cb) {
4390                         /* Remove the user cb from the callback list. */
4391                         *prev_cb = cb->next;
4392                         ret = 0;
4393                         break;
4394                 }
4395         }
4396         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4397
4398         return ret;
4399 }
4400
4401 int
4402 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4403                 const struct rte_eth_rxtx_callback *user_cb)
4404 {
4405 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4406         return -ENOTSUP;
4407 #endif
4408         /* Check input parameters. */
4409         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4410         if (user_cb == NULL ||
4411                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4412                 return -EINVAL;
4413
4414         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4415         int ret = -EINVAL;
4416         struct rte_eth_rxtx_callback *cb;
4417         struct rte_eth_rxtx_callback **prev_cb;
4418
4419         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4420         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4421         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4422                 cb = *prev_cb;
4423                 if (cb == user_cb) {
4424                         /* Remove the user cb from the callback list. */
4425                         *prev_cb = cb->next;
4426                         ret = 0;
4427                         break;
4428                 }
4429         }
4430         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4431
4432         return ret;
4433 }
4434
4435 int
4436 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4437         struct rte_eth_rxq_info *qinfo)
4438 {
4439         struct rte_eth_dev *dev;
4440
4441         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4442
4443         if (qinfo == NULL)
4444                 return -EINVAL;
4445
4446         dev = &rte_eth_devices[port_id];
4447         if (queue_id >= dev->data->nb_rx_queues) {
4448                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4449                 return -EINVAL;
4450         }
4451
4452         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4453                 RTE_ETHDEV_LOG(INFO,
4454                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4455                         queue_id, port_id);
4456                 return -EINVAL;
4457         }
4458
4459         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4460
4461         memset(qinfo, 0, sizeof(*qinfo));
4462         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4463         return 0;
4464 }
4465
4466 int
4467 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4468         struct rte_eth_txq_info *qinfo)
4469 {
4470         struct rte_eth_dev *dev;
4471
4472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4473
4474         if (qinfo == NULL)
4475                 return -EINVAL;
4476
4477         dev = &rte_eth_devices[port_id];
4478         if (queue_id >= dev->data->nb_tx_queues) {
4479                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4480                 return -EINVAL;
4481         }
4482
4483         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4484                 RTE_ETHDEV_LOG(INFO,
4485                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4486                         queue_id, port_id);
4487                 return -EINVAL;
4488         }
4489
4490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4491
4492         memset(qinfo, 0, sizeof(*qinfo));
4493         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4494
4495         return 0;
4496 }
4497
4498 int
4499 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4500                           struct rte_eth_burst_mode *mode)
4501 {
4502         struct rte_eth_dev *dev;
4503
4504         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4505
4506         if (mode == NULL)
4507                 return -EINVAL;
4508
4509         dev = &rte_eth_devices[port_id];
4510
4511         if (queue_id >= dev->data->nb_rx_queues) {
4512                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4513                 return -EINVAL;
4514         }
4515
4516         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
4517         memset(mode, 0, sizeof(*mode));
4518         return eth_err(port_id,
4519                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
4520 }
4521
4522 int
4523 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4524                           struct rte_eth_burst_mode *mode)
4525 {
4526         struct rte_eth_dev *dev;
4527
4528         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4529
4530         if (mode == NULL)
4531                 return -EINVAL;
4532
4533         dev = &rte_eth_devices[port_id];
4534
4535         if (queue_id >= dev->data->nb_tx_queues) {
4536                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4537                 return -EINVAL;
4538         }
4539
4540         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
4541         memset(mode, 0, sizeof(*mode));
4542         return eth_err(port_id,
4543                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
4544 }
4545
4546 int
4547 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4548                              struct rte_ether_addr *mc_addr_set,
4549                              uint32_t nb_mc_addr)
4550 {
4551         struct rte_eth_dev *dev;
4552
4553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4554
4555         dev = &rte_eth_devices[port_id];
4556         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4557         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4558                                                 mc_addr_set, nb_mc_addr));
4559 }
4560
4561 int
4562 rte_eth_timesync_enable(uint16_t port_id)
4563 {
4564         struct rte_eth_dev *dev;
4565
4566         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4567         dev = &rte_eth_devices[port_id];
4568
4569         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4570         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4571 }
4572
4573 int
4574 rte_eth_timesync_disable(uint16_t port_id)
4575 {
4576         struct rte_eth_dev *dev;
4577
4578         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4579         dev = &rte_eth_devices[port_id];
4580
4581         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4582         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4583 }
4584
4585 int
4586 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4587                                    uint32_t flags)
4588 {
4589         struct rte_eth_dev *dev;
4590
4591         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4592         dev = &rte_eth_devices[port_id];
4593
4594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4595         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4596                                 (dev, timestamp, flags));
4597 }
4598
4599 int
4600 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4601                                    struct timespec *timestamp)
4602 {
4603         struct rte_eth_dev *dev;
4604
4605         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4606         dev = &rte_eth_devices[port_id];
4607
4608         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4609         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4610                                 (dev, timestamp));
4611 }
4612
4613 int
4614 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4615 {
4616         struct rte_eth_dev *dev;
4617
4618         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4619         dev = &rte_eth_devices[port_id];
4620
4621         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4622         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4623                                                                       delta));
4624 }
4625
4626 int
4627 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4628 {
4629         struct rte_eth_dev *dev;
4630
4631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4632         dev = &rte_eth_devices[port_id];
4633
4634         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4635         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4636                                                                 timestamp));
4637 }
4638
4639 int
4640 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4641 {
4642         struct rte_eth_dev *dev;
4643
4644         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4645         dev = &rte_eth_devices[port_id];
4646
4647         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4648         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4649                                                                 timestamp));
4650 }
4651
4652 int
4653 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4654 {
4655         struct rte_eth_dev *dev;
4656
4657         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4658         dev = &rte_eth_devices[port_id];
4659
4660         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4661         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4662 }
4663
4664 int
4665 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4666 {
4667         struct rte_eth_dev *dev;
4668
4669         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4670
4671         dev = &rte_eth_devices[port_id];
4672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4673         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4674 }
4675
4676 int
4677 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4678 {
4679         struct rte_eth_dev *dev;
4680
4681         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4682
4683         dev = &rte_eth_devices[port_id];
4684         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4685         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4686 }
4687
4688 int
4689 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4690 {
4691         struct rte_eth_dev *dev;
4692
4693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4694
4695         dev = &rte_eth_devices[port_id];
4696         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4697         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4698 }
4699
4700 int
4701 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4702 {
4703         struct rte_eth_dev *dev;
4704
4705         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4706
4707         dev = &rte_eth_devices[port_id];
4708         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4709         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4710 }
4711
4712 int
4713 rte_eth_dev_get_module_info(uint16_t port_id,
4714                             struct rte_eth_dev_module_info *modinfo)
4715 {
4716         struct rte_eth_dev *dev;
4717
4718         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4719
4720         dev = &rte_eth_devices[port_id];
4721         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4722         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4723 }
4724
4725 int
4726 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4727                               struct rte_dev_eeprom_info *info)
4728 {
4729         struct rte_eth_dev *dev;
4730
4731         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4732
4733         dev = &rte_eth_devices[port_id];
4734         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4735         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4736 }
4737
4738 int
4739 rte_eth_dev_get_dcb_info(uint16_t port_id,
4740                              struct rte_eth_dcb_info *dcb_info)
4741 {
4742         struct rte_eth_dev *dev;
4743
4744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4745
4746         dev = &rte_eth_devices[port_id];
4747         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4748
4749         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4750         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4751 }
4752
4753 int
4754 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4755                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4756 {
4757         struct rte_eth_dev *dev;
4758
4759         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4760         if (l2_tunnel == NULL) {
4761                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4762                 return -EINVAL;
4763         }
4764
4765         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4766                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4767                 return -EINVAL;
4768         }
4769
4770         dev = &rte_eth_devices[port_id];
4771         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4772                                 -ENOTSUP);
4773         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4774                                                                 l2_tunnel));
4775 }
4776
4777 int
4778 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4779                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4780                                   uint32_t mask,
4781                                   uint8_t en)
4782 {
4783         struct rte_eth_dev *dev;
4784
4785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4786
4787         if (l2_tunnel == NULL) {
4788                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4789                 return -EINVAL;
4790         }
4791
4792         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4793                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4794                 return -EINVAL;
4795         }
4796
4797         if (mask == 0) {
4798                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4799                 return -EINVAL;
4800         }
4801
4802         dev = &rte_eth_devices[port_id];
4803         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4804                                 -ENOTSUP);
4805         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4806                                                         l2_tunnel, mask, en));
4807 }
4808
4809 static void
4810 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4811                            const struct rte_eth_desc_lim *desc_lim)
4812 {
4813         if (desc_lim->nb_align != 0)
4814                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4815
4816         if (desc_lim->nb_max != 0)
4817                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4818
4819         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4820 }
4821
4822 int
4823 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4824                                  uint16_t *nb_rx_desc,
4825                                  uint16_t *nb_tx_desc)
4826 {
4827         struct rte_eth_dev_info dev_info;
4828         int ret;
4829
4830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4831
4832         ret = rte_eth_dev_info_get(port_id, &dev_info);
4833         if (ret != 0)
4834                 return ret;
4835
4836         if (nb_rx_desc != NULL)
4837                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4838
4839         if (nb_tx_desc != NULL)
4840                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4841
4842         return 0;
4843 }
4844
4845 int
4846 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
4847                                    struct rte_eth_hairpin_cap *cap)
4848 {
4849         struct rte_eth_dev *dev;
4850
4851         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4852
4853         dev = &rte_eth_devices[port_id];
4854         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
4855         memset(cap, 0, sizeof(*cap));
4856         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
4857 }
4858
4859 int
4860 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
4861 {
4862         if (dev->data->rx_queue_state[queue_id] ==
4863             RTE_ETH_QUEUE_STATE_HAIRPIN)
4864                 return 1;
4865         return 0;
4866 }
4867
4868 int
4869 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
4870 {
4871         if (dev->data->tx_queue_state[queue_id] ==
4872             RTE_ETH_QUEUE_STATE_HAIRPIN)
4873                 return 1;
4874         return 0;
4875 }
4876
4877 int
4878 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4879 {
4880         struct rte_eth_dev *dev;
4881
4882         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4883
4884         if (pool == NULL)
4885                 return -EINVAL;
4886
4887         dev = &rte_eth_devices[port_id];
4888
4889         if (*dev->dev_ops->pool_ops_supported == NULL)
4890                 return 1; /* all pools are supported */
4891
4892         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4893 }
4894
4895 /**
4896  * A set of values to describe the possible states of a switch domain.
4897  */
4898 enum rte_eth_switch_domain_state {
4899         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4900         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4901 };
4902
4903 /**
4904  * Array of switch domains available for allocation. Array is sized to
4905  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4906  * ethdev ports in a single process.
4907  */
4908 static struct rte_eth_dev_switch {
4909         enum rte_eth_switch_domain_state state;
4910 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4911
4912 int
4913 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4914 {
4915         unsigned int i;
4916
4917         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4918
4919         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4920                 i < RTE_MAX_ETHPORTS; i++) {
4921                 if (rte_eth_switch_domains[i].state ==
4922                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4923                         rte_eth_switch_domains[i].state =
4924                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4925                         *domain_id = i;
4926                         return 0;
4927                 }
4928         }
4929
4930         return -ENOSPC;
4931 }
4932
4933 int
4934 rte_eth_switch_domain_free(uint16_t domain_id)
4935 {
4936         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4937                 domain_id >= RTE_MAX_ETHPORTS)
4938                 return -EINVAL;
4939
4940         if (rte_eth_switch_domains[domain_id].state !=
4941                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4942                 return -EINVAL;
4943
4944         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4945
4946         return 0;
4947 }
4948
4949 static int
4950 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4951 {
4952         int state;
4953         struct rte_kvargs_pair *pair;
4954         char *letter;
4955
4956         arglist->str = strdup(str_in);
4957         if (arglist->str == NULL)
4958                 return -ENOMEM;
4959
4960         letter = arglist->str;
4961         state = 0;
4962         arglist->count = 0;
4963         pair = &arglist->pairs[0];
4964         while (1) {
4965                 switch (state) {
4966                 case 0: /* Initial */
4967                         if (*letter == '=')
4968                                 return -EINVAL;
4969                         else if (*letter == '\0')
4970                                 return 0;
4971
4972                         state = 1;
4973                         pair->key = letter;
4974                         /* fall-thru */
4975
4976                 case 1: /* Parsing key */
4977                         if (*letter == '=') {
4978                                 *letter = '\0';
4979                                 pair->value = letter + 1;
4980                                 state = 2;
4981                         } else if (*letter == ',' || *letter == '\0')
4982                                 return -EINVAL;
4983                         break;
4984
4985
4986                 case 2: /* Parsing value */
4987                         if (*letter == '[')
4988                                 state = 3;
4989                         else if (*letter == ',') {
4990                                 *letter = '\0';
4991                                 arglist->count++;
4992                                 pair = &arglist->pairs[arglist->count];
4993                                 state = 0;
4994                         } else if (*letter == '\0') {
4995                                 letter--;
4996                                 arglist->count++;
4997                                 pair = &arglist->pairs[arglist->count];
4998                                 state = 0;
4999                         }
5000                         break;
5001
5002                 case 3: /* Parsing list */
5003                         if (*letter == ']')
5004                                 state = 2;
5005                         else if (*letter == '\0')
5006                                 return -EINVAL;
5007                         break;
5008                 }
5009                 letter++;
5010         }
5011 }
5012
5013 int
5014 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5015 {
5016         struct rte_kvargs args;
5017         struct rte_kvargs_pair *pair;
5018         unsigned int i;
5019         int result = 0;
5020
5021         memset(eth_da, 0, sizeof(*eth_da));
5022
5023         result = rte_eth_devargs_tokenise(&args, dargs);
5024         if (result < 0)
5025                 goto parse_cleanup;
5026
5027         for (i = 0; i < args.count; i++) {
5028                 pair = &args.pairs[i];
5029                 if (strcmp("representor", pair->key) == 0) {
5030                         result = rte_eth_devargs_parse_list(pair->value,
5031                                 rte_eth_devargs_parse_representor_ports,
5032                                 eth_da);
5033                         if (result < 0)
5034                                 goto parse_cleanup;
5035                 }
5036         }
5037
5038 parse_cleanup:
5039         if (args.str)
5040                 free(args.str);
5041
5042         return result;
5043 }
5044
5045 RTE_INIT(ethdev_init_log)
5046 {
5047         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
5048         if (rte_eth_dev_logtype >= 0)
5049                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
5050 }