lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51
  52 /* spinlock for eth device callbacks */
  53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  54
  55 /* spinlock for add/remove rx callbacks */
  56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  57
  58 /* spinlock for add/remove tx callbacks */
  59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  60
  61 /* spinlock for shared data allocation */
  62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  63
  64 /* store statistics names and its offset in stats structure  */
  65 struct rte_eth_xstats_name_off {
  66         char name[RTE_ETH_XSTATS_NAME_SIZE];
  67         unsigned offset;
  68 };
  69
  70 /* Shared memory between primary and secondary processes. */
  71 static struct {
  72         uint64_t next_owner_id;
  73         rte_spinlock_t ownership_lock;
  74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  75 } *rte_eth_dev_shared_data;
  76
  77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  86                 rx_nombuf)},
  87 };
  88
  89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  90
  91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  95 };
  96
  97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  98                 sizeof(rte_rxq_stats_strings[0]))
  99
 100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 103 };
 104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 105                 sizeof(rte_txq_stats_strings[0]))
 106
 107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 108         { DEV_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } rte_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135
 136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 137         { DEV_TX_OFFLOAD_##_name, #_name }
 138
 139 static const struct {
 140         uint64_t offload;
 141         const char *name;
 142 } rte_tx_offload_names[] = {
 143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 164         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 165 };
 166
 167 #undef RTE_TX_OFFLOAD_BIT2STR
 168
 169 static const struct {
 170         uint64_t option;
 171         const char *name;
 172 } rte_burst_option_names[] = {
 173         { RTE_ETH_BURST_SCALAR, "Scalar" },
 174         { RTE_ETH_BURST_VECTOR, "Vector" },
 175
 176         { RTE_ETH_BURST_ALTIVEC, "AltiVec" },
 177         { RTE_ETH_BURST_NEON, "Neon" },
 178         { RTE_ETH_BURST_SSE, "SSE" },
 179         { RTE_ETH_BURST_AVX2, "AVX2" },
 180         { RTE_ETH_BURST_AVX512, "AVX512" },
 181
 182         { RTE_ETH_BURST_SCATTERED, "Scattered" },
 183         { RTE_ETH_BURST_BULK_ALLOC, "Bulk Alloc" },
 184         { RTE_ETH_BURST_SIMPLE, "Simple" },
 185         { RTE_ETH_BURST_PER_QUEUE, "Per Queue" },
 186 };
 187
 188 /**
 189  * The user application callback description.
 190  *
 191  * It contains callback address to be registered by user application,
 192  * the pointer to the parameters for callback, and the event type.
 193  */
 194 struct rte_eth_dev_callback {
 195         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 196         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 197         void *cb_arg;                           /**< Parameter for callback */
 198         void *ret_param;                        /**< Return parameter */
 199         enum rte_eth_event_type event;          /**< Interrupt event type */
 200         uint32_t active;                        /**< Callback is executing */
 201 };
 202
 203 enum {
 204         STAT_QMAP_TX = 0,
 205         STAT_QMAP_RX
 206 };
 207
 208 int
 209 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 210 {
 211         int ret;
 212         struct rte_devargs devargs = {.args = NULL};
 213         const char *bus_param_key;
 214         char *bus_str = NULL;
 215         char *cls_str = NULL;
 216         int str_size;
 217
 218         memset(iter, 0, sizeof(*iter));
 219
 220         /*
 221          * The devargs string may use various syntaxes:
 222          *   - 0000:08:00.0,representor=[1-3]
 223          *   - pci:0000:06:00.0,representor=[0,5]
 224          *   - class=eth,mac=00:11:22:33:44:55
 225          * A new syntax is in development (not yet supported):
 226          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 227          */
 228
 229         /*
 230          * Handle pure class filter (i.e. without any bus-level argument),
 231          * from future new syntax.
 232          * rte_devargs_parse() is not yet supporting the new syntax,
 233          * that's why this simple case is temporarily parsed here.
 234          */
 235 #define iter_anybus_str "class=eth,"
 236         if (strncmp(devargs_str, iter_anybus_str,
 237                         strlen(iter_anybus_str)) == 0) {
 238                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 239                 goto end;
 240         }
 241
 242         /* Split bus, device and parameters. */
 243         ret = rte_devargs_parse(&devargs, devargs_str);
 244         if (ret != 0)
 245                 goto error;
 246
 247         /*
 248          * Assume parameters of old syntax can match only at ethdev level.
 249          * Extra parameters will be ignored, thanks to "+" prefix.
 250          */
 251         str_size = strlen(devargs.args) + 2;
 252         cls_str = malloc(str_size);
 253         if (cls_str == NULL) {
 254                 ret = -ENOMEM;
 255                 goto error;
 256         }
 257         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 258         if (ret != str_size - 1) {
 259                 ret = -EINVAL;
 260                 goto error;
 261         }
 262         iter->cls_str = cls_str;
 263         free(devargs.args); /* allocated by rte_devargs_parse() */
 264         devargs.args = NULL;
 265
 266         iter->bus = devargs.bus;
 267         if (iter->bus->dev_iterate == NULL) {
 268                 ret = -ENOTSUP;
 269                 goto error;
 270         }
 271
 272         /* Convert bus args to new syntax for use with new API dev_iterate. */
 273         if (strcmp(iter->bus->name, "vdev") == 0) {
 274                 bus_param_key = "name";
 275         } else if (strcmp(iter->bus->name, "pci") == 0) {
 276                 bus_param_key = "addr";
 277         } else {
 278                 ret = -ENOTSUP;
 279                 goto error;
 280         }
 281         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 282         bus_str = malloc(str_size);
 283         if (bus_str == NULL) {
 284                 ret = -ENOMEM;
 285                 goto error;
 286         }
 287         ret = snprintf(bus_str, str_size, "%s=%s",
 288                         bus_param_key, devargs.name);
 289         if (ret != str_size - 1) {
 290                 ret = -EINVAL;
 291                 goto error;
 292         }
 293         iter->bus_str = bus_str;
 294
 295 end:
 296         iter->cls = rte_class_find_by_name("eth");
 297         return 0;
 298
 299 error:
 300         if (ret == -ENOTSUP)
 301                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 302                                 iter->bus->name);
 303         free(devargs.args);
 304         free(bus_str);
 305         free(cls_str);
 306         return ret;
 307 }
 308
 309 uint16_t
 310 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 311 {
 312         if (iter->cls == NULL) /* invalid ethdev iterator */
 313                 return RTE_MAX_ETHPORTS;
 314
 315         do { /* loop to try all matching rte_device */
 316                 /* If not pure ethdev filter and */
 317                 if (iter->bus != NULL &&
 318                                 /* not in middle of rte_eth_dev iteration, */
 319                                 iter->class_device == NULL) {
 320                         /* get next rte_device to try. */
 321                         iter->device = iter->bus->dev_iterate(
 322                                         iter->device, iter->bus_str, iter);
 323                         if (iter->device == NULL)
 324                                 break; /* no more rte_device candidate */
 325                 }
 326                 /* A device is matching bus part, need to check ethdev part. */
 327                 iter->class_device = iter->cls->dev_iterate(
 328                                 iter->class_device, iter->cls_str, iter);
 329                 if (iter->class_device != NULL)
 330                         return eth_dev_to_id(iter->class_device); /* match */
 331         } while (iter->bus != NULL); /* need to try next rte_device */
 332
 333         /* No more ethdev port to iterate. */
 334         rte_eth_iterator_cleanup(iter);
 335         return RTE_MAX_ETHPORTS;
 336 }
 337
 338 void
 339 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 340 {
 341         if (iter->bus_str == NULL)
 342                 return; /* nothing to free in pure class filter */
 343         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 344         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 345         memset(iter, 0, sizeof(*iter));
 346 }
 347
 348 uint16_t
 349 rte_eth_find_next(uint16_t port_id)
 350 {
 351         while (port_id < RTE_MAX_ETHPORTS &&
 352                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 353                 port_id++;
 354
 355         if (port_id >= RTE_MAX_ETHPORTS)
 356                 return RTE_MAX_ETHPORTS;
 357
 358         return port_id;
 359 }
 360
 361 /*
 362  * Macro to iterate over all valid ports for internal usage.
 363  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 364  */
 365 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 366         for (port_id = rte_eth_find_next(0); \
 367              port_id < RTE_MAX_ETHPORTS; \
 368              port_id = rte_eth_find_next(port_id + 1))
 369
 370 uint16_t
 371 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 372 {
 373         port_id = rte_eth_find_next(port_id);
 374         while (port_id < RTE_MAX_ETHPORTS &&
 375                         rte_eth_devices[port_id].device != parent)
 376                 port_id = rte_eth_find_next(port_id + 1);
 377
 378         return port_id;
 379 }
 380
 381 uint16_t
 382 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 383 {
 384         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 385         return rte_eth_find_next_of(port_id,
 386                         rte_eth_devices[ref_port_id].device);
 387 }
 388
 389 static void
 390 rte_eth_dev_shared_data_prepare(void)
 391 {
 392         const unsigned flags = 0;
 393         const struct rte_memzone *mz;
 394
 395         rte_spinlock_lock(&rte_eth_shared_data_lock);
 396
 397         if (rte_eth_dev_shared_data == NULL) {
 398                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 399                         /* Allocate port data and ownership shared memory. */
 400                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 401                                         sizeof(*rte_eth_dev_shared_data),
 402                                         rte_socket_id(), flags);
 403                 } else
 404                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 405                 if (mz == NULL)
 406                         rte_panic("Cannot allocate ethdev shared data\n");
 407
 408                 rte_eth_dev_shared_data = mz->addr;
 409                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 410                         rte_eth_dev_shared_data->next_owner_id =
 411                                         RTE_ETH_DEV_NO_OWNER + 1;
 412                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 413                         memset(rte_eth_dev_shared_data->data, 0,
 414                                sizeof(rte_eth_dev_shared_data->data));
 415                 }
 416         }
 417
 418         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 419 }
 420
 421 static bool
 422 is_allocated(const struct rte_eth_dev *ethdev)
 423 {
 424         return ethdev->data->name[0] != '\0';
 425 }
 426
 427 static struct rte_eth_dev *
 428 _rte_eth_dev_allocated(const char *name)
 429 {
 430         unsigned i;
 431
 432         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 433                 if (rte_eth_devices[i].data != NULL &&
 434                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 435                         return &rte_eth_devices[i];
 436         }
 437         return NULL;
 438 }
 439
 440 struct rte_eth_dev *
 441 rte_eth_dev_allocated(const char *name)
 442 {
 443         struct rte_eth_dev *ethdev;
 444
 445         rte_eth_dev_shared_data_prepare();
 446
 447         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 448
 449         ethdev = _rte_eth_dev_allocated(name);
 450
 451         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 452
 453         return ethdev;
 454 }
 455
 456 static uint16_t
 457 rte_eth_dev_find_free_port(void)
 458 {
 459         unsigned i;
 460
 461         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 462                 /* Using shared name field to find a free port. */
 463                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 464                         RTE_ASSERT(rte_eth_devices[i].state ==
 465                                    RTE_ETH_DEV_UNUSED);
 466                         return i;
 467                 }
 468         }
 469         return RTE_MAX_ETHPORTS;
 470 }
 471
 472 static struct rte_eth_dev *
 473 eth_dev_get(uint16_t port_id)
 474 {
 475         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 476
 477         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 478
 479         return eth_dev;
 480 }
 481
 482 struct rte_eth_dev *
 483 rte_eth_dev_allocate(const char *name)
 484 {
 485         uint16_t port_id;
 486         struct rte_eth_dev *eth_dev = NULL;
 487         size_t name_len;
 488
 489         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 490         if (name_len == 0) {
 491                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 492                 return NULL;
 493         }
 494
 495         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 496                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 497                 return NULL;
 498         }
 499
 500         rte_eth_dev_shared_data_prepare();
 501
 502         /* Synchronize port creation between primary and secondary threads. */
 503         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 504
 505         if (_rte_eth_dev_allocated(name) != NULL) {
 506                 RTE_ETHDEV_LOG(ERR,
 507                         "Ethernet device with name %s already allocated\n",
 508                         name);
 509                 goto unlock;
 510         }
 511
 512         port_id = rte_eth_dev_find_free_port();
 513         if (port_id == RTE_MAX_ETHPORTS) {
 514                 RTE_ETHDEV_LOG(ERR,
 515                         "Reached maximum number of Ethernet ports\n");
 516                 goto unlock;
 517         }
 518
 519         eth_dev = eth_dev_get(port_id);
 520         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 521         eth_dev->data->port_id = port_id;
 522         eth_dev->data->mtu = RTE_ETHER_MTU;
 523
 524 unlock:
 525         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 526
 527         return eth_dev;
 528 }
 529
 530 /*
 531  * Attach to a port already registered by the primary process, which
 532  * makes sure that the same device would have the same port id both
 533  * in the primary and secondary process.
 534  */
 535 struct rte_eth_dev *
 536 rte_eth_dev_attach_secondary(const char *name)
 537 {
 538         uint16_t i;
 539         struct rte_eth_dev *eth_dev = NULL;
 540
 541         rte_eth_dev_shared_data_prepare();
 542
 543         /* Synchronize port attachment to primary port creation and release. */
 544         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 545
 546         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 547                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 548                         break;
 549         }
 550         if (i == RTE_MAX_ETHPORTS) {
 551                 RTE_ETHDEV_LOG(ERR,
 552                         "Device %s is not driven by the primary process\n",
 553                         name);
 554         } else {
 555                 eth_dev = eth_dev_get(i);
 556                 RTE_ASSERT(eth_dev->data->port_id == i);
 557         }
 558
 559         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 560         return eth_dev;
 561 }
 562
 563 int
 564 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 565 {
 566         if (eth_dev == NULL)
 567                 return -EINVAL;
 568
 569         rte_eth_dev_shared_data_prepare();
 570
 571         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 572                 _rte_eth_dev_callback_process(eth_dev,
 573                                 RTE_ETH_EVENT_DESTROY, NULL);
 574
 575         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 576
 577         eth_dev->state = RTE_ETH_DEV_UNUSED;
 578
 579         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 580                 rte_free(eth_dev->data->rx_queues);
 581                 rte_free(eth_dev->data->tx_queues);
 582                 rte_free(eth_dev->data->mac_addrs);
 583                 rte_free(eth_dev->data->hash_mac_addrs);
 584                 rte_free(eth_dev->data->dev_private);
 585                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 586         }
 587
 588         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 589
 590         return 0;
 591 }
 592
 593 int
 594 rte_eth_dev_is_valid_port(uint16_t port_id)
 595 {
 596         if (port_id >= RTE_MAX_ETHPORTS ||
 597             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 598                 return 0;
 599         else
 600                 return 1;
 601 }
 602
 603 static int
 604 rte_eth_is_valid_owner_id(uint64_t owner_id)
 605 {
 606         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 607             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 608                 return 0;
 609         return 1;
 610 }
 611
 612 uint64_t
 613 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 614 {
 615         port_id = rte_eth_find_next(port_id);
 616         while (port_id < RTE_MAX_ETHPORTS &&
 617                         rte_eth_devices[port_id].data->owner.id != owner_id)
 618                 port_id = rte_eth_find_next(port_id + 1);
 619
 620         return port_id;
 621 }
 622
 623 int
 624 rte_eth_dev_owner_new(uint64_t *owner_id)
 625 {
 626         rte_eth_dev_shared_data_prepare();
 627
 628         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 629
 630         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 631
 632         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 633         return 0;
 634 }
 635
 636 static int
 637 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 638                        const struct rte_eth_dev_owner *new_owner)
 639 {
 640         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 641         struct rte_eth_dev_owner *port_owner;
 642
 643         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 644                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 645                         port_id);
 646                 return -ENODEV;
 647         }
 648
 649         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 650             !rte_eth_is_valid_owner_id(old_owner_id)) {
 651                 RTE_ETHDEV_LOG(ERR,
 652                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 653                        old_owner_id, new_owner->id);
 654                 return -EINVAL;
 655         }
 656
 657         port_owner = &rte_eth_devices[port_id].data->owner;
 658         if (port_owner->id != old_owner_id) {
 659                 RTE_ETHDEV_LOG(ERR,
 660                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 661                         port_id, port_owner->name, port_owner->id);
 662                 return -EPERM;
 663         }
 664
 665         /* can not truncate (same structure) */
 666         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 667
 668         port_owner->id = new_owner->id;
 669
 670         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 671                 port_id, new_owner->name, new_owner->id);
 672
 673         return 0;
 674 }
 675
 676 int
 677 rte_eth_dev_owner_set(const uint16_t port_id,
 678                       const struct rte_eth_dev_owner *owner)
 679 {
 680         int ret;
 681
 682         rte_eth_dev_shared_data_prepare();
 683
 684         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 685
 686         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 687
 688         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 689         return ret;
 690 }
 691
 692 int
 693 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 694 {
 695         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 696                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 697         int ret;
 698
 699         rte_eth_dev_shared_data_prepare();
 700
 701         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 702
 703         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 704
 705         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 706         return ret;
 707 }
 708
 709 int
 710 rte_eth_dev_owner_delete(const uint64_t owner_id)
 711 {
 712         uint16_t port_id;
 713         int ret = 0;
 714
 715         rte_eth_dev_shared_data_prepare();
 716
 717         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 718
 719         if (rte_eth_is_valid_owner_id(owner_id)) {
 720                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 721                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 722                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 723                                        sizeof(struct rte_eth_dev_owner));
 724                 RTE_ETHDEV_LOG(NOTICE,
 725                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 726                         owner_id);
 727         } else {
 728                 RTE_ETHDEV_LOG(ERR,
 729                                "Invalid owner id=%016"PRIx64"\n",
 730                                owner_id);
 731                 ret = -EINVAL;
 732         }
 733
 734         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 735
 736         return ret;
 737 }
 738
 739 int
 740 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 741 {
 742         int ret = 0;
 743         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 744
 745         rte_eth_dev_shared_data_prepare();
 746
 747         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 748
 749         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 750                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 751                         port_id);
 752                 ret = -ENODEV;
 753         } else {
 754                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 755         }
 756
 757         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 758         return ret;
 759 }
 760
 761 int
 762 rte_eth_dev_socket_id(uint16_t port_id)
 763 {
 764         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 765         return rte_eth_devices[port_id].data->numa_node;
 766 }
 767
 768 void *
 769 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 770 {
 771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 772         return rte_eth_devices[port_id].security_ctx;
 773 }
 774
 775 uint16_t
 776 rte_eth_dev_count(void)
 777 {
 778         return rte_eth_dev_count_avail();
 779 }
 780
 781 uint16_t
 782 rte_eth_dev_count_avail(void)
 783 {
 784         uint16_t p;
 785         uint16_t count;
 786
 787         count = 0;
 788
 789         RTE_ETH_FOREACH_DEV(p)
 790                 count++;
 791
 792         return count;
 793 }
 794
 795 uint16_t
 796 rte_eth_dev_count_total(void)
 797 {
 798         uint16_t port, count = 0;
 799
 800         RTE_ETH_FOREACH_VALID_DEV(port)
 801                 count++;
 802
 803         return count;
 804 }
 805
 806 int
 807 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 808 {
 809         char *tmp;
 810
 811         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 812
 813         if (name == NULL) {
 814                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 815                 return -EINVAL;
 816         }
 817
 818         /* shouldn't check 'rte_eth_devices[i].data',
 819          * because it might be overwritten by VDEV PMD */
 820         tmp = rte_eth_dev_shared_data->data[port_id].name;
 821         strcpy(name, tmp);
 822         return 0;
 823 }
 824
 825 int
 826 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 827 {
 828         uint32_t pid;
 829
 830         if (name == NULL) {
 831                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 832                 return -EINVAL;
 833         }
 834
 835         RTE_ETH_FOREACH_VALID_DEV(pid)
 836                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 837                         *port_id = pid;
 838                         return 0;
 839                 }
 840
 841         return -ENODEV;
 842 }
 843
 844 static int
 845 eth_err(uint16_t port_id, int ret)
 846 {
 847         if (ret == 0)
 848                 return 0;
 849         if (rte_eth_dev_is_removed(port_id))
 850                 return -EIO;
 851         return ret;
 852 }
 853
 854 static int
 855 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 856 {
 857         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 858         void **rxq;
 859         unsigned i;
 860
 861         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 862                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 863                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 864                                 RTE_CACHE_LINE_SIZE);
 865                 if (dev->data->rx_queues == NULL) {
 866                         dev->data->nb_rx_queues = 0;
 867                         return -(ENOMEM);
 868                 }
 869         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 870                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 871
 872                 rxq = dev->data->rx_queues;
 873
 874                 for (i = nb_queues; i < old_nb_queues; i++)
 875                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 876                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 877                                 RTE_CACHE_LINE_SIZE);
 878                 if (rxq == NULL)
 879                         return -(ENOMEM);
 880                 if (nb_queues > old_nb_queues) {
 881                         uint16_t new_qs = nb_queues - old_nb_queues;
 882
 883                         memset(rxq + old_nb_queues, 0,
 884                                 sizeof(rxq[0]) * new_qs);
 885                 }
 886
 887                 dev->data->rx_queues = rxq;
 888
 889         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 890                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 891
 892                 rxq = dev->data->rx_queues;
 893
 894                 for (i = nb_queues; i < old_nb_queues; i++)
 895                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 896
 897                 rte_free(dev->data->rx_queues);
 898                 dev->data->rx_queues = NULL;
 899         }
 900         dev->data->nb_rx_queues = nb_queues;
 901         return 0;
 902 }
 903
 904 int
 905 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 906 {
 907         struct rte_eth_dev *dev;
 908
 909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 910
 911         dev = &rte_eth_devices[port_id];
 912         if (!dev->data->dev_started) {
 913                 RTE_ETHDEV_LOG(ERR,
 914                         "Port %u must be started before start any queue\n",
 915                         port_id);
 916                 return -EINVAL;
 917         }
 918
 919         if (rx_queue_id >= dev->data->nb_rx_queues) {
 920                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 921                 return -EINVAL;
 922         }
 923
 924         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 925
 926         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 927                 RTE_ETHDEV_LOG(INFO,
 928                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 929                         rx_queue_id, port_id);
 930                 return 0;
 931         }
 932
 933         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 934                                                              rx_queue_id));
 935
 936 }
 937
 938 int
 939 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 940 {
 941         struct rte_eth_dev *dev;
 942
 943         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 944
 945         dev = &rte_eth_devices[port_id];
 946         if (rx_queue_id >= dev->data->nb_rx_queues) {
 947                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 948                 return -EINVAL;
 949         }
 950
 951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 952
 953         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 954                 RTE_ETHDEV_LOG(INFO,
 955                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 956                         rx_queue_id, port_id);
 957                 return 0;
 958         }
 959
 960         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 961
 962 }
 963
 964 int
 965 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 966 {
 967         struct rte_eth_dev *dev;
 968
 969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 970
 971         dev = &rte_eth_devices[port_id];
 972         if (!dev->data->dev_started) {
 973                 RTE_ETHDEV_LOG(ERR,
 974                         "Port %u must be started before start any queue\n",
 975                         port_id);
 976                 return -EINVAL;
 977         }
 978
 979         if (tx_queue_id >= dev->data->nb_tx_queues) {
 980                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 981                 return -EINVAL;
 982         }
 983
 984         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 985
 986         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 987                 RTE_ETHDEV_LOG(INFO,
 988                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 989                         tx_queue_id, port_id);
 990                 return 0;
 991         }
 992
 993         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 994 }
 995
 996 int
 997 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 998 {
 999         struct rte_eth_dev *dev;
1000
1001         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1002
1003         dev = &rte_eth_devices[port_id];
1004         if (tx_queue_id >= dev->data->nb_tx_queues) {
1005                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1006                 return -EINVAL;
1007         }
1008
1009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1010
1011         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1012                 RTE_ETHDEV_LOG(INFO,
1013                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1014                         tx_queue_id, port_id);
1015                 return 0;
1016         }
1017
1018         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1019
1020 }
1021
1022 static int
1023 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1024 {
1025         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1026         void **txq;
1027         unsigned i;
1028
1029         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1030                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1031                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1032                                                    RTE_CACHE_LINE_SIZE);
1033                 if (dev->data->tx_queues == NULL) {
1034                         dev->data->nb_tx_queues = 0;
1035                         return -(ENOMEM);
1036                 }
1037         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1038                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1039
1040                 txq = dev->data->tx_queues;
1041
1042                 for (i = nb_queues; i < old_nb_queues; i++)
1043                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1044                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1045                                   RTE_CACHE_LINE_SIZE);
1046                 if (txq == NULL)
1047                         return -ENOMEM;
1048                 if (nb_queues > old_nb_queues) {
1049                         uint16_t new_qs = nb_queues - old_nb_queues;
1050
1051                         memset(txq + old_nb_queues, 0,
1052                                sizeof(txq[0]) * new_qs);
1053                 }
1054
1055                 dev->data->tx_queues = txq;
1056
1057         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1058                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1059
1060                 txq = dev->data->tx_queues;
1061
1062                 for (i = nb_queues; i < old_nb_queues; i++)
1063                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1064
1065                 rte_free(dev->data->tx_queues);
1066                 dev->data->tx_queues = NULL;
1067         }
1068         dev->data->nb_tx_queues = nb_queues;
1069         return 0;
1070 }
1071
1072 uint32_t
1073 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1074 {
1075         switch (speed) {
1076         case ETH_SPEED_NUM_10M:
1077                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1078         case ETH_SPEED_NUM_100M:
1079                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1080         case ETH_SPEED_NUM_1G:
1081                 return ETH_LINK_SPEED_1G;
1082         case ETH_SPEED_NUM_2_5G:
1083                 return ETH_LINK_SPEED_2_5G;
1084         case ETH_SPEED_NUM_5G:
1085                 return ETH_LINK_SPEED_5G;
1086         case ETH_SPEED_NUM_10G:
1087                 return ETH_LINK_SPEED_10G;
1088         case ETH_SPEED_NUM_20G:
1089                 return ETH_LINK_SPEED_20G;
1090         case ETH_SPEED_NUM_25G:
1091                 return ETH_LINK_SPEED_25G;
1092         case ETH_SPEED_NUM_40G:
1093                 return ETH_LINK_SPEED_40G;
1094         case ETH_SPEED_NUM_50G:
1095                 return ETH_LINK_SPEED_50G;
1096         case ETH_SPEED_NUM_56G:
1097                 return ETH_LINK_SPEED_56G;
1098         case ETH_SPEED_NUM_100G:
1099                 return ETH_LINK_SPEED_100G;
1100         default:
1101                 return 0;
1102         }
1103 }
1104
1105 const char *
1106 rte_eth_dev_rx_offload_name(uint64_t offload)
1107 {
1108         const char *name = "UNKNOWN";
1109         unsigned int i;
1110
1111         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1112                 if (offload == rte_rx_offload_names[i].offload) {
1113                         name = rte_rx_offload_names[i].name;
1114                         break;
1115                 }
1116         }
1117
1118         return name;
1119 }
1120
1121 const char *
1122 rte_eth_dev_tx_offload_name(uint64_t offload)
1123 {
1124         const char *name = "UNKNOWN";
1125         unsigned int i;
1126
1127         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1128                 if (offload == rte_tx_offload_names[i].offload) {
1129                         name = rte_tx_offload_names[i].name;
1130                         break;
1131                 }
1132         }
1133
1134         return name;
1135 }
1136
1137 int
1138 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1139                       const struct rte_eth_conf *dev_conf)
1140 {
1141         struct rte_eth_dev *dev;
1142         struct rte_eth_dev_info dev_info;
1143         struct rte_eth_conf orig_conf;
1144         int diag;
1145         int ret;
1146
1147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1148
1149         dev = &rte_eth_devices[port_id];
1150
1151         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1152
1153         if (dev->data->dev_started) {
1154                 RTE_ETHDEV_LOG(ERR,
1155                         "Port %u must be stopped to allow configuration\n",
1156                         port_id);
1157                 return -EBUSY;
1158         }
1159
1160          /* Store original config, as rollback required on failure */
1161         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1162
1163         /*
1164          * Copy the dev_conf parameter into the dev structure.
1165          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1166          */
1167         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1168
1169         ret = rte_eth_dev_info_get(port_id, &dev_info);
1170         if (ret != 0)
1171                 goto rollback;
1172
1173         /* If number of queues specified by application for both Rx and Tx is
1174          * zero, use driver preferred values. This cannot be done individually
1175          * as it is valid for either Tx or Rx (but not both) to be zero.
1176          * If driver does not provide any preferred valued, fall back on
1177          * EAL defaults.
1178          */
1179         if (nb_rx_q == 0 && nb_tx_q == 0) {
1180                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1181                 if (nb_rx_q == 0)
1182                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1183                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1184                 if (nb_tx_q == 0)
1185                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1186         }
1187
1188         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1189                 RTE_ETHDEV_LOG(ERR,
1190                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1191                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1192                 ret = -EINVAL;
1193                 goto rollback;
1194         }
1195
1196         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1197                 RTE_ETHDEV_LOG(ERR,
1198                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1199                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1200                 ret = -EINVAL;
1201                 goto rollback;
1202         }
1203
1204         /*
1205          * Check that the numbers of RX and TX queues are not greater
1206          * than the maximum number of RX and TX queues supported by the
1207          * configured device.
1208          */
1209         if (nb_rx_q > dev_info.max_rx_queues) {
1210                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1211                         port_id, nb_rx_q, dev_info.max_rx_queues);
1212                 ret = -EINVAL;
1213                 goto rollback;
1214         }
1215
1216         if (nb_tx_q > dev_info.max_tx_queues) {
1217                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1218                         port_id, nb_tx_q, dev_info.max_tx_queues);
1219                 ret = -EINVAL;
1220                 goto rollback;
1221         }
1222
1223         /* Check that the device supports requested interrupts */
1224         if ((dev_conf->intr_conf.lsc == 1) &&
1225                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1226                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1227                         dev->device->driver->name);
1228                 ret = -EINVAL;
1229                 goto rollback;
1230         }
1231         if ((dev_conf->intr_conf.rmv == 1) &&
1232                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1233                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1234                         dev->device->driver->name);
1235                 ret = -EINVAL;
1236                 goto rollback;
1237         }
1238
1239         /*
1240          * If jumbo frames are enabled, check that the maximum RX packet
1241          * length is supported by the configured device.
1242          */
1243         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1244                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1245                         RTE_ETHDEV_LOG(ERR,
1246                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1247                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1248                                 dev_info.max_rx_pktlen);
1249                         ret = -EINVAL;
1250                         goto rollback;
1251                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1252                         RTE_ETHDEV_LOG(ERR,
1253                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1254                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1255                                 (unsigned int)RTE_ETHER_MIN_LEN);
1256                         ret = -EINVAL;
1257                         goto rollback;
1258                 }
1259         } else {
1260                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1261                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1262                         /* Use default value */
1263                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1264                                                         RTE_ETHER_MAX_LEN;
1265         }
1266
1267         /* Any requested offloading must be within its device capabilities */
1268         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1269              dev_conf->rxmode.offloads) {
1270                 RTE_ETHDEV_LOG(ERR,
1271                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1272                         "capabilities 0x%"PRIx64" in %s()\n",
1273                         port_id, dev_conf->rxmode.offloads,
1274                         dev_info.rx_offload_capa,
1275                         __func__);
1276                 ret = -EINVAL;
1277                 goto rollback;
1278         }
1279         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1280              dev_conf->txmode.offloads) {
1281                 RTE_ETHDEV_LOG(ERR,
1282                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1283                         "capabilities 0x%"PRIx64" in %s()\n",
1284                         port_id, dev_conf->txmode.offloads,
1285                         dev_info.tx_offload_capa,
1286                         __func__);
1287                 ret = -EINVAL;
1288                 goto rollback;
1289         }
1290
1291         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1292                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1293
1294         /* Check that device supports requested rss hash functions. */
1295         if ((dev_info.flow_type_rss_offloads |
1296              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1297             dev_info.flow_type_rss_offloads) {
1298                 RTE_ETHDEV_LOG(ERR,
1299                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1300                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1301                         dev_info.flow_type_rss_offloads);
1302                 ret = -EINVAL;
1303                 goto rollback;
1304         }
1305
1306         /*
1307          * Setup new number of RX/TX queues and reconfigure device.
1308          */
1309         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1310         if (diag != 0) {
1311                 RTE_ETHDEV_LOG(ERR,
1312                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1313                         port_id, diag);
1314                 ret = diag;
1315                 goto rollback;
1316         }
1317
1318         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1319         if (diag != 0) {
1320                 RTE_ETHDEV_LOG(ERR,
1321                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1322                         port_id, diag);
1323                 rte_eth_dev_rx_queue_config(dev, 0);
1324                 ret = diag;
1325                 goto rollback;
1326         }
1327
1328         diag = (*dev->dev_ops->dev_configure)(dev);
1329         if (diag != 0) {
1330                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1331                         port_id, diag);
1332                 rte_eth_dev_rx_queue_config(dev, 0);
1333                 rte_eth_dev_tx_queue_config(dev, 0);
1334                 ret = eth_err(port_id, diag);
1335                 goto rollback;
1336         }
1337
1338         /* Initialize Rx profiling if enabled at compilation time. */
1339         diag = __rte_eth_dev_profile_init(port_id, dev);
1340         if (diag != 0) {
1341                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1342                         port_id, diag);
1343                 rte_eth_dev_rx_queue_config(dev, 0);
1344                 rte_eth_dev_tx_queue_config(dev, 0);
1345                 ret = eth_err(port_id, diag);
1346                 goto rollback;
1347         }
1348
1349         return 0;
1350
1351 rollback:
1352         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1353
1354         return ret;
1355 }
1356
1357 void
1358 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1359 {
1360         if (dev->data->dev_started) {
1361                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1362                         dev->data->port_id);
1363                 return;
1364         }
1365
1366         rte_eth_dev_rx_queue_config(dev, 0);
1367         rte_eth_dev_tx_queue_config(dev, 0);
1368
1369         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1370 }
1371
1372 static void
1373 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1374                         struct rte_eth_dev_info *dev_info)
1375 {
1376         struct rte_ether_addr *addr;
1377         uint16_t i;
1378         uint32_t pool = 0;
1379         uint64_t pool_mask;
1380
1381         /* replay MAC address configuration including default MAC */
1382         addr = &dev->data->mac_addrs[0];
1383         if (*dev->dev_ops->mac_addr_set != NULL)
1384                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1385         else if (*dev->dev_ops->mac_addr_add != NULL)
1386                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1387
1388         if (*dev->dev_ops->mac_addr_add != NULL) {
1389                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1390                         addr = &dev->data->mac_addrs[i];
1391
1392                         /* skip zero address */
1393                         if (rte_is_zero_ether_addr(addr))
1394                                 continue;
1395
1396                         pool = 0;
1397                         pool_mask = dev->data->mac_pool_sel[i];
1398
1399                         do {
1400                                 if (pool_mask & 1ULL)
1401                                         (*dev->dev_ops->mac_addr_add)(dev,
1402                                                 addr, i, pool);
1403                                 pool_mask >>= 1;
1404                                 pool++;
1405                         } while (pool_mask);
1406                 }
1407         }
1408 }
1409
1410 static int
1411 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1412                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1413 {
1414         int ret;
1415
1416         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1417                 rte_eth_dev_mac_restore(dev, dev_info);
1418
1419         /* replay promiscuous configuration */
1420         /*
1421          * use callbacks directly since we don't need port_id check and
1422          * would like to bypass the same value set
1423          */
1424         if (rte_eth_promiscuous_get(port_id) == 1 &&
1425             *dev->dev_ops->promiscuous_enable != NULL) {
1426                 ret = eth_err(port_id,
1427                               (*dev->dev_ops->promiscuous_enable)(dev));
1428                 if (ret != 0 && ret != -ENOTSUP) {
1429                         RTE_ETHDEV_LOG(ERR,
1430                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1431                                 port_id, rte_strerror(-ret));
1432                         return ret;
1433                 }
1434         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1435                    *dev->dev_ops->promiscuous_disable != NULL) {
1436                 ret = eth_err(port_id,
1437                               (*dev->dev_ops->promiscuous_disable)(dev));
1438                 if (ret != 0 && ret != -ENOTSUP) {
1439                         RTE_ETHDEV_LOG(ERR,
1440                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1441                                 port_id, rte_strerror(-ret));
1442                         return ret;
1443                 }
1444         }
1445
1446         /* replay all multicast configuration */
1447         /*
1448          * use callbacks directly since we don't need port_id check and
1449          * would like to bypass the same value set
1450          */
1451         if (rte_eth_allmulticast_get(port_id) == 1 &&
1452             *dev->dev_ops->allmulticast_enable != NULL) {
1453                 ret = eth_err(port_id,
1454                               (*dev->dev_ops->allmulticast_enable)(dev));
1455                 if (ret != 0 && ret != -ENOTSUP) {
1456                         RTE_ETHDEV_LOG(ERR,
1457                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1458                                 port_id, rte_strerror(-ret));
1459                         return ret;
1460                 }
1461         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1462                    *dev->dev_ops->allmulticast_disable != NULL) {
1463                 ret = eth_err(port_id,
1464                               (*dev->dev_ops->allmulticast_disable)(dev));
1465                 if (ret != 0 && ret != -ENOTSUP) {
1466                         RTE_ETHDEV_LOG(ERR,
1467                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1468                                 port_id, rte_strerror(-ret));
1469                         return ret;
1470                 }
1471         }
1472
1473         return 0;
1474 }
1475
1476 int
1477 rte_eth_dev_start(uint16_t port_id)
1478 {
1479         struct rte_eth_dev *dev;
1480         struct rte_eth_dev_info dev_info;
1481         int diag;
1482         int ret;
1483
1484         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1485
1486         dev = &rte_eth_devices[port_id];
1487
1488         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1489
1490         if (dev->data->dev_started != 0) {
1491                 RTE_ETHDEV_LOG(INFO,
1492                         "Device with port_id=%"PRIu16" already started\n",
1493                         port_id);
1494                 return 0;
1495         }
1496
1497         ret = rte_eth_dev_info_get(port_id, &dev_info);
1498         if (ret != 0)
1499                 return ret;
1500
1501         /* Lets restore MAC now if device does not support live change */
1502         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1503                 rte_eth_dev_mac_restore(dev, &dev_info);
1504
1505         diag = (*dev->dev_ops->dev_start)(dev);
1506         if (diag == 0)
1507                 dev->data->dev_started = 1;
1508         else
1509                 return eth_err(port_id, diag);
1510
1511         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1512         if (ret != 0) {
1513                 RTE_ETHDEV_LOG(ERR,
1514                         "Error during restoring configuration for device (port %u): %s\n",
1515                         port_id, rte_strerror(-ret));
1516                 rte_eth_dev_stop(port_id);
1517                 return ret;
1518         }
1519
1520         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1521                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1522                 (*dev->dev_ops->link_update)(dev, 0);
1523         }
1524         return 0;
1525 }
1526
1527 void
1528 rte_eth_dev_stop(uint16_t port_id)
1529 {
1530         struct rte_eth_dev *dev;
1531
1532         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1533         dev = &rte_eth_devices[port_id];
1534
1535         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1536
1537         if (dev->data->dev_started == 0) {
1538                 RTE_ETHDEV_LOG(INFO,
1539                         "Device with port_id=%"PRIu16" already stopped\n",
1540                         port_id);
1541                 return;
1542         }
1543
1544         dev->data->dev_started = 0;
1545         (*dev->dev_ops->dev_stop)(dev);
1546 }
1547
1548 int
1549 rte_eth_dev_set_link_up(uint16_t port_id)
1550 {
1551         struct rte_eth_dev *dev;
1552
1553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1554
1555         dev = &rte_eth_devices[port_id];
1556
1557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1558         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1559 }
1560
1561 int
1562 rte_eth_dev_set_link_down(uint16_t port_id)
1563 {
1564         struct rte_eth_dev *dev;
1565
1566         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1567
1568         dev = &rte_eth_devices[port_id];
1569
1570         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1571         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1572 }
1573
1574 void
1575 rte_eth_dev_close(uint16_t port_id)
1576 {
1577         struct rte_eth_dev *dev;
1578
1579         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1580         dev = &rte_eth_devices[port_id];
1581
1582         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1583         dev->data->dev_started = 0;
1584         (*dev->dev_ops->dev_close)(dev);
1585
1586         /* check behaviour flag - temporary for PMD migration */
1587         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1588                 /* new behaviour: send event + reset state + free all data */
1589                 rte_eth_dev_release_port(dev);
1590                 return;
1591         }
1592         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1593                         "The driver %s should migrate to the new behaviour.\n",
1594                         dev->device->driver->name);
1595         /* old behaviour: only free queue arrays */
1596         dev->data->nb_rx_queues = 0;
1597         rte_free(dev->data->rx_queues);
1598         dev->data->rx_queues = NULL;
1599         dev->data->nb_tx_queues = 0;
1600         rte_free(dev->data->tx_queues);
1601         dev->data->tx_queues = NULL;
1602 }
1603
1604 int
1605 rte_eth_dev_reset(uint16_t port_id)
1606 {
1607         struct rte_eth_dev *dev;
1608         int ret;
1609
1610         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1611         dev = &rte_eth_devices[port_id];
1612
1613         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1614
1615         rte_eth_dev_stop(port_id);
1616         ret = dev->dev_ops->dev_reset(dev);
1617
1618         return eth_err(port_id, ret);
1619 }
1620
1621 int
1622 rte_eth_dev_is_removed(uint16_t port_id)
1623 {
1624         struct rte_eth_dev *dev;
1625         int ret;
1626
1627         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1628
1629         dev = &rte_eth_devices[port_id];
1630
1631         if (dev->state == RTE_ETH_DEV_REMOVED)
1632                 return 1;
1633
1634         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1635
1636         ret = dev->dev_ops->is_removed(dev);
1637         if (ret != 0)
1638                 /* Device is physically removed. */
1639                 dev->state = RTE_ETH_DEV_REMOVED;
1640
1641         return ret;
1642 }
1643
1644 int
1645 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1646                        uint16_t nb_rx_desc, unsigned int socket_id,
1647                        const struct rte_eth_rxconf *rx_conf,
1648                        struct rte_mempool *mp)
1649 {
1650         int ret;
1651         uint32_t mbp_buf_size;
1652         struct rte_eth_dev *dev;
1653         struct rte_eth_dev_info dev_info;
1654         struct rte_eth_rxconf local_conf;
1655         void **rxq;
1656
1657         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1658
1659         dev = &rte_eth_devices[port_id];
1660         if (rx_queue_id >= dev->data->nb_rx_queues) {
1661                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1662                 return -EINVAL;
1663         }
1664
1665         if (mp == NULL) {
1666                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1667                 return -EINVAL;
1668         }
1669
1670         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1671
1672         /*
1673          * Check the size of the mbuf data buffer.
1674          * This value must be provided in the private data of the memory pool.
1675          * First check that the memory pool has a valid private data.
1676          */
1677         ret = rte_eth_dev_info_get(port_id, &dev_info);
1678         if (ret != 0)
1679                 return ret;
1680
1681         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1682                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1683                         mp->name, (int)mp->private_data_size,
1684                         (int)sizeof(struct rte_pktmbuf_pool_private));
1685                 return -ENOSPC;
1686         }
1687         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1688
1689         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1690                 RTE_ETHDEV_LOG(ERR,
1691                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1692                         mp->name, (int)mbp_buf_size,
1693                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1694                         (int)RTE_PKTMBUF_HEADROOM,
1695                         (int)dev_info.min_rx_bufsize);
1696                 return -EINVAL;
1697         }
1698
1699         /* Use default specified by driver, if nb_rx_desc is zero */
1700         if (nb_rx_desc == 0) {
1701                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1702                 /* If driver default is also zero, fall back on EAL default */
1703                 if (nb_rx_desc == 0)
1704                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1705         }
1706
1707         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1708                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1709                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1710
1711                 RTE_ETHDEV_LOG(ERR,
1712                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1713                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1714                         dev_info.rx_desc_lim.nb_min,
1715                         dev_info.rx_desc_lim.nb_align);
1716                 return -EINVAL;
1717         }
1718
1719         if (dev->data->dev_started &&
1720                 !(dev_info.dev_capa &
1721                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1722                 return -EBUSY;
1723
1724         if (dev->data->dev_started &&
1725                 (dev->data->rx_queue_state[rx_queue_id] !=
1726                         RTE_ETH_QUEUE_STATE_STOPPED))
1727                 return -EBUSY;
1728
1729         rxq = dev->data->rx_queues;
1730         if (rxq[rx_queue_id]) {
1731                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1732                                         -ENOTSUP);
1733                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1734                 rxq[rx_queue_id] = NULL;
1735         }
1736
1737         if (rx_conf == NULL)
1738                 rx_conf = &dev_info.default_rxconf;
1739
1740         local_conf = *rx_conf;
1741
1742         /*
1743          * If an offloading has already been enabled in
1744          * rte_eth_dev_configure(), it has been enabled on all queues,
1745          * so there is no need to enable it in this queue again.
1746          * The local_conf.offloads input to underlying PMD only carries
1747          * those offloadings which are only enabled on this queue and
1748          * not enabled on all queues.
1749          */
1750         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1751
1752         /*
1753          * New added offloadings for this queue are those not enabled in
1754          * rte_eth_dev_configure() and they must be per-queue type.
1755          * A pure per-port offloading can't be enabled on a queue while
1756          * disabled on another queue. A pure per-port offloading can't
1757          * be enabled for any queue as new added one if it hasn't been
1758          * enabled in rte_eth_dev_configure().
1759          */
1760         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1761              local_conf.offloads) {
1762                 RTE_ETHDEV_LOG(ERR,
1763                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1764                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1765                         port_id, rx_queue_id, local_conf.offloads,
1766                         dev_info.rx_queue_offload_capa,
1767                         __func__);
1768                 return -EINVAL;
1769         }
1770
1771         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1772                                               socket_id, &local_conf, mp);
1773         if (!ret) {
1774                 if (!dev->data->min_rx_buf_size ||
1775                     dev->data->min_rx_buf_size > mbp_buf_size)
1776                         dev->data->min_rx_buf_size = mbp_buf_size;
1777         }
1778
1779         return eth_err(port_id, ret);
1780 }
1781
1782 int
1783 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1784                        uint16_t nb_tx_desc, unsigned int socket_id,
1785                        const struct rte_eth_txconf *tx_conf)
1786 {
1787         struct rte_eth_dev *dev;
1788         struct rte_eth_dev_info dev_info;
1789         struct rte_eth_txconf local_conf;
1790         void **txq;
1791         int ret;
1792
1793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1794
1795         dev = &rte_eth_devices[port_id];
1796         if (tx_queue_id >= dev->data->nb_tx_queues) {
1797                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1798                 return -EINVAL;
1799         }
1800
1801         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1802
1803         ret = rte_eth_dev_info_get(port_id, &dev_info);
1804         if (ret != 0)
1805                 return ret;
1806
1807         /* Use default specified by driver, if nb_tx_desc is zero */
1808         if (nb_tx_desc == 0) {
1809                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1810                 /* If driver default is zero, fall back on EAL default */
1811                 if (nb_tx_desc == 0)
1812                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1813         }
1814         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1815             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1816             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1817                 RTE_ETHDEV_LOG(ERR,
1818                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1819                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1820                         dev_info.tx_desc_lim.nb_min,
1821                         dev_info.tx_desc_lim.nb_align);
1822                 return -EINVAL;
1823         }
1824
1825         if (dev->data->dev_started &&
1826                 !(dev_info.dev_capa &
1827                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1828                 return -EBUSY;
1829
1830         if (dev->data->dev_started &&
1831                 (dev->data->tx_queue_state[tx_queue_id] !=
1832                         RTE_ETH_QUEUE_STATE_STOPPED))
1833                 return -EBUSY;
1834
1835         txq = dev->data->tx_queues;
1836         if (txq[tx_queue_id]) {
1837                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1838                                         -ENOTSUP);
1839                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1840                 txq[tx_queue_id] = NULL;
1841         }
1842
1843         if (tx_conf == NULL)
1844                 tx_conf = &dev_info.default_txconf;
1845
1846         local_conf = *tx_conf;
1847
1848         /*
1849          * If an offloading has already been enabled in
1850          * rte_eth_dev_configure(), it has been enabled on all queues,
1851          * so there is no need to enable it in this queue again.
1852          * The local_conf.offloads input to underlying PMD only carries
1853          * those offloadings which are only enabled on this queue and
1854          * not enabled on all queues.
1855          */
1856         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1857
1858         /*
1859          * New added offloadings for this queue are those not enabled in
1860          * rte_eth_dev_configure() and they must be per-queue type.
1861          * A pure per-port offloading can't be enabled on a queue while
1862          * disabled on another queue. A pure per-port offloading can't
1863          * be enabled for any queue as new added one if it hasn't been
1864          * enabled in rte_eth_dev_configure().
1865          */
1866         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1867              local_conf.offloads) {
1868                 RTE_ETHDEV_LOG(ERR,
1869                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1870                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1871                         port_id, tx_queue_id, local_conf.offloads,
1872                         dev_info.tx_queue_offload_capa,
1873                         __func__);
1874                 return -EINVAL;
1875         }
1876
1877         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1878                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1879 }
1880
1881 void
1882 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1883                 void *userdata __rte_unused)
1884 {
1885         unsigned i;
1886
1887         for (i = 0; i < unsent; i++)
1888                 rte_pktmbuf_free(pkts[i]);
1889 }
1890
1891 void
1892 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1893                 void *userdata)
1894 {
1895         uint64_t *count = userdata;
1896         unsigned i;
1897
1898         for (i = 0; i < unsent; i++)
1899                 rte_pktmbuf_free(pkts[i]);
1900
1901         *count += unsent;
1902 }
1903
1904 int
1905 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1906                 buffer_tx_error_fn cbfn, void *userdata)
1907 {
1908         buffer->error_callback = cbfn;
1909         buffer->error_userdata = userdata;
1910         return 0;
1911 }
1912
1913 int
1914 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1915 {
1916         int ret = 0;
1917
1918         if (buffer == NULL)
1919                 return -EINVAL;
1920
1921         buffer->size = size;
1922         if (buffer->error_callback == NULL) {
1923                 ret = rte_eth_tx_buffer_set_err_callback(
1924                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1925         }
1926
1927         return ret;
1928 }
1929
1930 int
1931 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1932 {
1933         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1934         int ret;
1935
1936         /* Validate Input Data. Bail if not valid or not supported. */
1937         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1938         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1939
1940         /* Call driver to free pending mbufs. */
1941         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1942                                                free_cnt);
1943         return eth_err(port_id, ret);
1944 }
1945
1946 int
1947 rte_eth_promiscuous_enable(uint16_t port_id)
1948 {
1949         struct rte_eth_dev *dev;
1950         int diag = 0;
1951
1952         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1953         dev = &rte_eth_devices[port_id];
1954
1955         if (dev->data->promiscuous == 1)
1956                 return 0;
1957
1958         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
1959
1960         diag = (*dev->dev_ops->promiscuous_enable)(dev);
1961         dev->data->promiscuous = (diag == 0) ? 1 : 0;
1962
1963         return eth_err(port_id, diag);
1964 }
1965
1966 int
1967 rte_eth_promiscuous_disable(uint16_t port_id)
1968 {
1969         struct rte_eth_dev *dev;
1970         int diag = 0;
1971
1972         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1973         dev = &rte_eth_devices[port_id];
1974
1975         if (dev->data->promiscuous == 0)
1976                 return 0;
1977
1978         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
1979
1980         dev->data->promiscuous = 0;
1981         diag = (*dev->dev_ops->promiscuous_disable)(dev);
1982         if (diag != 0)
1983                 dev->data->promiscuous = 1;
1984
1985         return eth_err(port_id, diag);
1986 }
1987
1988 int
1989 rte_eth_promiscuous_get(uint16_t port_id)
1990 {
1991         struct rte_eth_dev *dev;
1992
1993         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1994
1995         dev = &rte_eth_devices[port_id];
1996         return dev->data->promiscuous;
1997 }
1998
1999 int
2000 rte_eth_allmulticast_enable(uint16_t port_id)
2001 {
2002         struct rte_eth_dev *dev;
2003         int diag;
2004
2005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2006         dev = &rte_eth_devices[port_id];
2007
2008         if (dev->data->all_multicast == 1)
2009                 return 0;
2010
2011         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2012         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2013         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2014
2015         return eth_err(port_id, diag);
2016 }
2017
2018 int
2019 rte_eth_allmulticast_disable(uint16_t port_id)
2020 {
2021         struct rte_eth_dev *dev;
2022         int diag;
2023
2024         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2025         dev = &rte_eth_devices[port_id];
2026
2027         if (dev->data->all_multicast == 0)
2028                 return 0;
2029
2030         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2031         dev->data->all_multicast = 0;
2032         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2033         if (diag != 0)
2034                 dev->data->all_multicast = 1;
2035
2036         return eth_err(port_id, diag);
2037 }
2038
2039 int
2040 rte_eth_allmulticast_get(uint16_t port_id)
2041 {
2042         struct rte_eth_dev *dev;
2043
2044         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2045
2046         dev = &rte_eth_devices[port_id];
2047         return dev->data->all_multicast;
2048 }
2049
2050 int
2051 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2052 {
2053         struct rte_eth_dev *dev;
2054
2055         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2056         dev = &rte_eth_devices[port_id];
2057
2058         if (dev->data->dev_conf.intr_conf.lsc &&
2059             dev->data->dev_started)
2060                 rte_eth_linkstatus_get(dev, eth_link);
2061         else {
2062                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2063                 (*dev->dev_ops->link_update)(dev, 1);
2064                 *eth_link = dev->data->dev_link;
2065         }
2066
2067         return 0;
2068 }
2069
2070 int
2071 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2072 {
2073         struct rte_eth_dev *dev;
2074
2075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2076         dev = &rte_eth_devices[port_id];
2077
2078         if (dev->data->dev_conf.intr_conf.lsc &&
2079             dev->data->dev_started)
2080                 rte_eth_linkstatus_get(dev, eth_link);
2081         else {
2082                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2083                 (*dev->dev_ops->link_update)(dev, 0);
2084                 *eth_link = dev->data->dev_link;
2085         }
2086
2087         return 0;
2088 }
2089
2090 int
2091 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2092 {
2093         struct rte_eth_dev *dev;
2094
2095         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2096
2097         dev = &rte_eth_devices[port_id];
2098         memset(stats, 0, sizeof(*stats));
2099
2100         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2101         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2102         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2103 }
2104
2105 int
2106 rte_eth_stats_reset(uint16_t port_id)
2107 {
2108         struct rte_eth_dev *dev;
2109         int ret;
2110
2111         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2112         dev = &rte_eth_devices[port_id];
2113
2114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2115         ret = (*dev->dev_ops->stats_reset)(dev);
2116         if (ret != 0)
2117                 return eth_err(port_id, ret);
2118
2119         dev->data->rx_mbuf_alloc_failed = 0;
2120
2121         return 0;
2122 }
2123
2124 static inline int
2125 get_xstats_basic_count(struct rte_eth_dev *dev)
2126 {
2127         uint16_t nb_rxqs, nb_txqs;
2128         int count;
2129
2130         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2131         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2132
2133         count = RTE_NB_STATS;
2134         count += nb_rxqs * RTE_NB_RXQ_STATS;
2135         count += nb_txqs * RTE_NB_TXQ_STATS;
2136
2137         return count;
2138 }
2139
2140 static int
2141 get_xstats_count(uint16_t port_id)
2142 {
2143         struct rte_eth_dev *dev;
2144         int count;
2145
2146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2147         dev = &rte_eth_devices[port_id];
2148         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2149                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2150                                 NULL, 0);
2151                 if (count < 0)
2152                         return eth_err(port_id, count);
2153         }
2154         if (dev->dev_ops->xstats_get_names != NULL) {
2155                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2156                 if (count < 0)
2157                         return eth_err(port_id, count);
2158         } else
2159                 count = 0;
2160
2161
2162         count += get_xstats_basic_count(dev);
2163
2164         return count;
2165 }
2166
2167 int
2168 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2169                 uint64_t *id)
2170 {
2171         int cnt_xstats, idx_xstat;
2172
2173         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2174
2175         if (!id) {
2176                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2177                 return -ENOMEM;
2178         }
2179
2180         if (!xstat_name) {
2181                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2182                 return -ENOMEM;
2183         }
2184
2185         /* Get count */
2186         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2187         if (cnt_xstats  < 0) {
2188                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2189                 return -ENODEV;
2190         }
2191
2192         /* Get id-name lookup table */
2193         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2194
2195         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2196                         port_id, xstats_names, cnt_xstats, NULL)) {
2197                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2198                 return -1;
2199         }
2200
2201         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2202                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2203                         *id = idx_xstat;
2204                         return 0;
2205                 };
2206         }
2207
2208         return -EINVAL;
2209 }
2210
2211 /* retrieve basic stats names */
2212 static int
2213 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2214         struct rte_eth_xstat_name *xstats_names)
2215 {
2216         int cnt_used_entries = 0;
2217         uint32_t idx, id_queue;
2218         uint16_t num_q;
2219
2220         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2221                 strlcpy(xstats_names[cnt_used_entries].name,
2222                         rte_stats_strings[idx].name,
2223                         sizeof(xstats_names[0].name));
2224                 cnt_used_entries++;
2225         }
2226         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2227         for (id_queue = 0; id_queue < num_q; id_queue++) {
2228                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2229                         snprintf(xstats_names[cnt_used_entries].name,
2230                                 sizeof(xstats_names[0].name),
2231                                 "rx_q%u%s",
2232                                 id_queue, rte_rxq_stats_strings[idx].name);
2233                         cnt_used_entries++;
2234                 }
2235
2236         }
2237         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2238         for (id_queue = 0; id_queue < num_q; id_queue++) {
2239                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2240                         snprintf(xstats_names[cnt_used_entries].name,
2241                                 sizeof(xstats_names[0].name),
2242                                 "tx_q%u%s",
2243                                 id_queue, rte_txq_stats_strings[idx].name);
2244                         cnt_used_entries++;
2245                 }
2246         }
2247         return cnt_used_entries;
2248 }
2249
2250 /* retrieve ethdev extended statistics names */
2251 int
2252 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2253         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2254         uint64_t *ids)
2255 {
2256         struct rte_eth_xstat_name *xstats_names_copy;
2257         unsigned int no_basic_stat_requested = 1;
2258         unsigned int no_ext_stat_requested = 1;
2259         unsigned int expected_entries;
2260         unsigned int basic_count;
2261         struct rte_eth_dev *dev;
2262         unsigned int i;
2263         int ret;
2264
2265         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2266         dev = &rte_eth_devices[port_id];
2267
2268         basic_count = get_xstats_basic_count(dev);
2269         ret = get_xstats_count(port_id);
2270         if (ret < 0)
2271                 return ret;
2272         expected_entries = (unsigned int)ret;
2273
2274         /* Return max number of stats if no ids given */
2275         if (!ids) {
2276                 if (!xstats_names)
2277                         return expected_entries;
2278                 else if (xstats_names && size < expected_entries)
2279                         return expected_entries;
2280         }
2281
2282         if (ids && !xstats_names)
2283                 return -EINVAL;
2284
2285         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2286                 uint64_t ids_copy[size];
2287
2288                 for (i = 0; i < size; i++) {
2289                         if (ids[i] < basic_count) {
2290                                 no_basic_stat_requested = 0;
2291                                 break;
2292                         }
2293
2294                         /*
2295                          * Convert ids to xstats ids that PMD knows.
2296                          * ids known by user are basic + extended stats.
2297                          */
2298                         ids_copy[i] = ids[i] - basic_count;
2299                 }
2300
2301                 if (no_basic_stat_requested)
2302                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2303                                         xstats_names, ids_copy, size);
2304         }
2305
2306         /* Retrieve all stats */
2307         if (!ids) {
2308                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2309                                 expected_entries);
2310                 if (num_stats < 0 || num_stats > (int)expected_entries)
2311                         return num_stats;
2312                 else
2313                         return expected_entries;
2314         }
2315
2316         xstats_names_copy = calloc(expected_entries,
2317                 sizeof(struct rte_eth_xstat_name));
2318
2319         if (!xstats_names_copy) {
2320                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2321                 return -ENOMEM;
2322         }
2323
2324         if (ids) {
2325                 for (i = 0; i < size; i++) {
2326                         if (ids[i] >= basic_count) {
2327                                 no_ext_stat_requested = 0;
2328                                 break;
2329                         }
2330                 }
2331         }
2332
2333         /* Fill xstats_names_copy structure */
2334         if (ids && no_ext_stat_requested) {
2335                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2336         } else {
2337                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2338                         expected_entries);
2339                 if (ret < 0) {
2340                         free(xstats_names_copy);
2341                         return ret;
2342                 }
2343         }
2344
2345         /* Filter stats */
2346         for (i = 0; i < size; i++) {
2347                 if (ids[i] >= expected_entries) {
2348                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2349                         free(xstats_names_copy);
2350                         return -1;
2351                 }
2352                 xstats_names[i] = xstats_names_copy[ids[i]];
2353         }
2354
2355         free(xstats_names_copy);
2356         return size;
2357 }
2358
2359 int
2360 rte_eth_xstats_get_names(uint16_t port_id,
2361         struct rte_eth_xstat_name *xstats_names,
2362         unsigned int size)
2363 {
2364         struct rte_eth_dev *dev;
2365         int cnt_used_entries;
2366         int cnt_expected_entries;
2367         int cnt_driver_entries;
2368
2369         cnt_expected_entries = get_xstats_count(port_id);
2370         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2371                         (int)size < cnt_expected_entries)
2372                 return cnt_expected_entries;
2373
2374         /* port_id checked in get_xstats_count() */
2375         dev = &rte_eth_devices[port_id];
2376
2377         cnt_used_entries = rte_eth_basic_stats_get_names(
2378                 dev, xstats_names);
2379
2380         if (dev->dev_ops->xstats_get_names != NULL) {
2381                 /* If there are any driver-specific xstats, append them
2382                  * to end of list.
2383                  */
2384                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2385                         dev,
2386                         xstats_names + cnt_used_entries,
2387                         size - cnt_used_entries);
2388                 if (cnt_driver_entries < 0)
2389                         return eth_err(port_id, cnt_driver_entries);
2390                 cnt_used_entries += cnt_driver_entries;
2391         }
2392
2393         return cnt_used_entries;
2394 }
2395
2396
2397 static int
2398 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2399 {
2400         struct rte_eth_dev *dev;
2401         struct rte_eth_stats eth_stats;
2402         unsigned int count = 0, i, q;
2403         uint64_t val, *stats_ptr;
2404         uint16_t nb_rxqs, nb_txqs;
2405         int ret;
2406
2407         ret = rte_eth_stats_get(port_id, &eth_stats);
2408         if (ret < 0)
2409                 return ret;
2410
2411         dev = &rte_eth_devices[port_id];
2412
2413         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2414         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2415
2416         /* global stats */
2417         for (i = 0; i < RTE_NB_STATS; i++) {
2418                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2419                                         rte_stats_strings[i].offset);
2420                 val = *stats_ptr;
2421                 xstats[count++].value = val;
2422         }
2423
2424         /* per-rxq stats */
2425         for (q = 0; q < nb_rxqs; q++) {
2426                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2427                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2428                                         rte_rxq_stats_strings[i].offset +
2429                                         q * sizeof(uint64_t));
2430                         val = *stats_ptr;
2431                         xstats[count++].value = val;
2432                 }
2433         }
2434
2435         /* per-txq stats */
2436         for (q = 0; q < nb_txqs; q++) {
2437                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2438                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2439                                         rte_txq_stats_strings[i].offset +
2440                                         q * sizeof(uint64_t));
2441                         val = *stats_ptr;
2442                         xstats[count++].value = val;
2443                 }
2444         }
2445         return count;
2446 }
2447
2448 /* retrieve ethdev extended statistics */
2449 int
2450 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2451                          uint64_t *values, unsigned int size)
2452 {
2453         unsigned int no_basic_stat_requested = 1;
2454         unsigned int no_ext_stat_requested = 1;
2455         unsigned int num_xstats_filled;
2456         unsigned int basic_count;
2457         uint16_t expected_entries;
2458         struct rte_eth_dev *dev;
2459         unsigned int i;
2460         int ret;
2461
2462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2463         ret = get_xstats_count(port_id);
2464         if (ret < 0)
2465                 return ret;
2466         expected_entries = (uint16_t)ret;
2467         struct rte_eth_xstat xstats[expected_entries];
2468         dev = &rte_eth_devices[port_id];
2469         basic_count = get_xstats_basic_count(dev);
2470
2471         /* Return max number of stats if no ids given */
2472         if (!ids) {
2473                 if (!values)
2474                         return expected_entries;
2475                 else if (values && size < expected_entries)
2476                         return expected_entries;
2477         }
2478
2479         if (ids && !values)
2480                 return -EINVAL;
2481
2482         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2483                 unsigned int basic_count = get_xstats_basic_count(dev);
2484                 uint64_t ids_copy[size];
2485
2486                 for (i = 0; i < size; i++) {
2487                         if (ids[i] < basic_count) {
2488                                 no_basic_stat_requested = 0;
2489                                 break;
2490                         }
2491
2492                         /*
2493                          * Convert ids to xstats ids that PMD knows.
2494                          * ids known by user are basic + extended stats.
2495                          */
2496                         ids_copy[i] = ids[i] - basic_count;
2497                 }
2498
2499                 if (no_basic_stat_requested)
2500                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2501                                         values, size);
2502         }
2503
2504         if (ids) {
2505                 for (i = 0; i < size; i++) {
2506                         if (ids[i] >= basic_count) {
2507                                 no_ext_stat_requested = 0;
2508                                 break;
2509                         }
2510                 }
2511         }
2512
2513         /* Fill the xstats structure */
2514         if (ids && no_ext_stat_requested)
2515                 ret = rte_eth_basic_stats_get(port_id, xstats);
2516         else
2517                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2518
2519         if (ret < 0)
2520                 return ret;
2521         num_xstats_filled = (unsigned int)ret;
2522
2523         /* Return all stats */
2524         if (!ids) {
2525                 for (i = 0; i < num_xstats_filled; i++)
2526                         values[i] = xstats[i].value;
2527                 return expected_entries;
2528         }
2529
2530         /* Filter stats */
2531         for (i = 0; i < size; i++) {
2532                 if (ids[i] >= expected_entries) {
2533                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2534                         return -1;
2535                 }
2536                 values[i] = xstats[ids[i]].value;
2537         }
2538         return size;
2539 }
2540
2541 int
2542 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2543         unsigned int n)
2544 {
2545         struct rte_eth_dev *dev;
2546         unsigned int count = 0, i;
2547         signed int xcount = 0;
2548         uint16_t nb_rxqs, nb_txqs;
2549         int ret;
2550
2551         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2552
2553         dev = &rte_eth_devices[port_id];
2554
2555         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2556         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2557
2558         /* Return generic statistics */
2559         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2560                 (nb_txqs * RTE_NB_TXQ_STATS);
2561
2562         /* implemented by the driver */
2563         if (dev->dev_ops->xstats_get != NULL) {
2564                 /* Retrieve the xstats from the driver at the end of the
2565                  * xstats struct.
2566                  */
2567                 xcount = (*dev->dev_ops->xstats_get)(dev,
2568                                      xstats ? xstats + count : NULL,
2569                                      (n > count) ? n - count : 0);
2570
2571                 if (xcount < 0)
2572                         return eth_err(port_id, xcount);
2573         }
2574
2575         if (n < count + xcount || xstats == NULL)
2576                 return count + xcount;
2577
2578         /* now fill the xstats structure */
2579         ret = rte_eth_basic_stats_get(port_id, xstats);
2580         if (ret < 0)
2581                 return ret;
2582         count = ret;
2583
2584         for (i = 0; i < count; i++)
2585                 xstats[i].id = i;
2586         /* add an offset to driver-specific stats */
2587         for ( ; i < count + xcount; i++)
2588                 xstats[i].id += count;
2589
2590         return count + xcount;
2591 }
2592
2593 /* reset ethdev extended statistics */
2594 int
2595 rte_eth_xstats_reset(uint16_t port_id)
2596 {
2597         struct rte_eth_dev *dev;
2598
2599         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2600         dev = &rte_eth_devices[port_id];
2601
2602         /* implemented by the driver */
2603         if (dev->dev_ops->xstats_reset != NULL)
2604                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2605
2606         /* fallback to default */
2607         return rte_eth_stats_reset(port_id);
2608 }
2609
2610 static int
2611 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2612                 uint8_t is_rx)
2613 {
2614         struct rte_eth_dev *dev;
2615
2616         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2617
2618         dev = &rte_eth_devices[port_id];
2619
2620         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2621
2622         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2623                 return -EINVAL;
2624
2625         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2626                 return -EINVAL;
2627
2628         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2629                 return -EINVAL;
2630
2631         return (*dev->dev_ops->queue_stats_mapping_set)
2632                         (dev, queue_id, stat_idx, is_rx);
2633 }
2634
2635
2636 int
2637 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2638                 uint8_t stat_idx)
2639 {
2640         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2641                                                 stat_idx, STAT_QMAP_TX));
2642 }
2643
2644
2645 int
2646 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2647                 uint8_t stat_idx)
2648 {
2649         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2650                                                 stat_idx, STAT_QMAP_RX));
2651 }
2652
2653 int
2654 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2655 {
2656         struct rte_eth_dev *dev;
2657
2658         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2659         dev = &rte_eth_devices[port_id];
2660
2661         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2662         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2663                                                         fw_version, fw_size));
2664 }
2665
2666 int
2667 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2668 {
2669         struct rte_eth_dev *dev;
2670         const struct rte_eth_desc_lim lim = {
2671                 .nb_max = UINT16_MAX,
2672                 .nb_min = 0,
2673                 .nb_align = 1,
2674                 .nb_seg_max = UINT16_MAX,
2675                 .nb_mtu_seg_max = UINT16_MAX,
2676         };
2677         int diag;
2678
2679         /*
2680          * Init dev_info before port_id check since caller does not have
2681          * return status and does not know if get is successful or not.
2682          */
2683         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2684
2685         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2686         dev = &rte_eth_devices[port_id];
2687
2688         dev_info->rx_desc_lim = lim;
2689         dev_info->tx_desc_lim = lim;
2690         dev_info->device = dev->device;
2691         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2692         dev_info->max_mtu = UINT16_MAX;
2693
2694         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2695         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2696         if (diag != 0) {
2697                 /* Cleanup already filled in device information */
2698                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2699                 return eth_err(port_id, diag);
2700         }
2701
2702         dev_info->driver_name = dev->device->driver->name;
2703         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2704         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2705
2706         dev_info->dev_flags = &dev->data->dev_flags;
2707
2708         return 0;
2709 }
2710
2711 int
2712 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2713                                  uint32_t *ptypes, int num)
2714 {
2715         int i, j;
2716         struct rte_eth_dev *dev;
2717         const uint32_t *all_ptypes;
2718
2719         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2720         dev = &rte_eth_devices[port_id];
2721         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2722         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2723
2724         if (!all_ptypes)
2725                 return 0;
2726
2727         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2728                 if (all_ptypes[i] & ptype_mask) {
2729                         if (j < num)
2730                                 ptypes[j] = all_ptypes[i];
2731                         j++;
2732                 }
2733
2734         return j;
2735 }
2736
2737 int
2738 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2739 {
2740         struct rte_eth_dev *dev;
2741
2742         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2743         dev = &rte_eth_devices[port_id];
2744         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2745
2746         return 0;
2747 }
2748
2749
2750 int
2751 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2752 {
2753         struct rte_eth_dev *dev;
2754
2755         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2756
2757         dev = &rte_eth_devices[port_id];
2758         *mtu = dev->data->mtu;
2759         return 0;
2760 }
2761
2762 int
2763 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2764 {
2765         int ret;
2766         struct rte_eth_dev_info dev_info;
2767         struct rte_eth_dev *dev;
2768
2769         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2770         dev = &rte_eth_devices[port_id];
2771         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2772
2773         /*
2774          * Check if the device supports dev_infos_get, if it does not
2775          * skip min_mtu/max_mtu validation here as this requires values
2776          * that are populated within the call to rte_eth_dev_info_get()
2777          * which relies on dev->dev_ops->dev_infos_get.
2778          */
2779         if (*dev->dev_ops->dev_infos_get != NULL) {
2780                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2781                 if (ret != 0)
2782                         return ret;
2783
2784                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2785                         return -EINVAL;
2786         }
2787
2788         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2789         if (!ret)
2790                 dev->data->mtu = mtu;
2791
2792         return eth_err(port_id, ret);
2793 }
2794
2795 int
2796 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2797 {
2798         struct rte_eth_dev *dev;
2799         int ret;
2800
2801         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2802         dev = &rte_eth_devices[port_id];
2803         if (!(dev->data->dev_conf.rxmode.offloads &
2804               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2805                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2806                         port_id);
2807                 return -ENOSYS;
2808         }
2809
2810         if (vlan_id > 4095) {
2811                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2812                         port_id, vlan_id);
2813                 return -EINVAL;
2814         }
2815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2816
2817         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2818         if (ret == 0) {
2819                 struct rte_vlan_filter_conf *vfc;
2820                 int vidx;
2821                 int vbit;
2822
2823                 vfc = &dev->data->vlan_filter_conf;
2824                 vidx = vlan_id / 64;
2825                 vbit = vlan_id % 64;
2826
2827                 if (on)
2828                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2829                 else
2830                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2831         }
2832
2833         return eth_err(port_id, ret);
2834 }
2835
2836 int
2837 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2838                                     int on)
2839 {
2840         struct rte_eth_dev *dev;
2841
2842         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2843         dev = &rte_eth_devices[port_id];
2844         if (rx_queue_id >= dev->data->nb_rx_queues) {
2845                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2846                 return -EINVAL;
2847         }
2848
2849         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2850         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2851
2852         return 0;
2853 }
2854
2855 int
2856 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2857                                 enum rte_vlan_type vlan_type,
2858                                 uint16_t tpid)
2859 {
2860         struct rte_eth_dev *dev;
2861
2862         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2863         dev = &rte_eth_devices[port_id];
2864         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2865
2866         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2867                                                                tpid));
2868 }
2869
2870 int
2871 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2872 {
2873         struct rte_eth_dev *dev;
2874         int ret = 0;
2875         int mask = 0;
2876         int cur, org = 0;
2877         uint64_t orig_offloads;
2878         uint64_t *dev_offloads;
2879
2880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2881         dev = &rte_eth_devices[port_id];
2882
2883         /* save original values in case of failure */
2884         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2885         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2886
2887         /*check which option changed by application*/
2888         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2889         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
2890         if (cur != org) {
2891                 if (cur)
2892                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2893                 else
2894                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
2895                 mask |= ETH_VLAN_STRIP_MASK;
2896         }
2897
2898         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2899         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
2900         if (cur != org) {
2901                 if (cur)
2902                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
2903                 else
2904                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
2905                 mask |= ETH_VLAN_FILTER_MASK;
2906         }
2907
2908         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2909         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
2910         if (cur != org) {
2911                 if (cur)
2912                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
2913                 else
2914                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2915                 mask |= ETH_VLAN_EXTEND_MASK;
2916         }
2917
2918         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
2919         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
2920         if (cur != org) {
2921                 if (cur)
2922                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
2923                 else
2924                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
2925                 mask |= ETH_QINQ_STRIP_MASK;
2926         }
2927
2928         /*no change*/
2929         if (mask == 0)
2930                 return ret;
2931
2932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2933         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2934         if (ret) {
2935                 /* hit an error restore  original values */
2936                 *dev_offloads = orig_offloads;
2937         }
2938
2939         return eth_err(port_id, ret);
2940 }
2941
2942 int
2943 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2944 {
2945         struct rte_eth_dev *dev;
2946         uint64_t *dev_offloads;
2947         int ret = 0;
2948
2949         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2950         dev = &rte_eth_devices[port_id];
2951         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
2952
2953         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2954                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2955
2956         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2957                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2958
2959         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2960                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2961
2962         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
2963                 ret |= ETH_QINQ_STRIP_OFFLOAD;
2964
2965         return ret;
2966 }
2967
2968 int
2969 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
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_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2976
2977         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2978 }
2979
2980 int
2981 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2982 {
2983         struct rte_eth_dev *dev;
2984
2985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2986         dev = &rte_eth_devices[port_id];
2987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2988         memset(fc_conf, 0, sizeof(*fc_conf));
2989         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2990 }
2991
2992 int
2993 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2994 {
2995         struct rte_eth_dev *dev;
2996
2997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2998         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2999                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3000                 return -EINVAL;
3001         }
3002
3003         dev = &rte_eth_devices[port_id];
3004         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3005         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3006 }
3007
3008 int
3009 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3010                                    struct rte_eth_pfc_conf *pfc_conf)
3011 {
3012         struct rte_eth_dev *dev;
3013
3014         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3015         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3016                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3017                 return -EINVAL;
3018         }
3019
3020         dev = &rte_eth_devices[port_id];
3021         /* High water, low water validation are device specific */
3022         if  (*dev->dev_ops->priority_flow_ctrl_set)
3023                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3024                                         (dev, pfc_conf));
3025         return -ENOTSUP;
3026 }
3027
3028 static int
3029 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3030                         uint16_t reta_size)
3031 {
3032         uint16_t i, num;
3033
3034         if (!reta_conf)
3035                 return -EINVAL;
3036
3037         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3038         for (i = 0; i < num; i++) {
3039                 if (reta_conf[i].mask)
3040                         return 0;
3041         }
3042
3043         return -EINVAL;
3044 }
3045
3046 static int
3047 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3048                          uint16_t reta_size,
3049                          uint16_t max_rxq)
3050 {
3051         uint16_t i, idx, shift;
3052
3053         if (!reta_conf)
3054                 return -EINVAL;
3055
3056         if (max_rxq == 0) {
3057                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3058                 return -EINVAL;
3059         }
3060
3061         for (i = 0; i < reta_size; i++) {
3062                 idx = i / RTE_RETA_GROUP_SIZE;
3063                 shift = i % RTE_RETA_GROUP_SIZE;
3064                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3065                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3066                         RTE_ETHDEV_LOG(ERR,
3067                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3068                                 idx, shift,
3069                                 reta_conf[idx].reta[shift], max_rxq);
3070                         return -EINVAL;
3071                 }
3072         }
3073
3074         return 0;
3075 }
3076
3077 int
3078 rte_eth_dev_rss_reta_update(uint16_t port_id,
3079                             struct rte_eth_rss_reta_entry64 *reta_conf,
3080                             uint16_t reta_size)
3081 {
3082         struct rte_eth_dev *dev;
3083         int ret;
3084
3085         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3086         /* Check mask bits */
3087         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3088         if (ret < 0)
3089                 return ret;
3090
3091         dev = &rte_eth_devices[port_id];
3092
3093         /* Check entry value */
3094         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3095                                 dev->data->nb_rx_queues);
3096         if (ret < 0)
3097                 return ret;
3098
3099         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3100         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3101                                                              reta_size));
3102 }
3103
3104 int
3105 rte_eth_dev_rss_reta_query(uint16_t port_id,
3106                            struct rte_eth_rss_reta_entry64 *reta_conf,
3107                            uint16_t reta_size)
3108 {
3109         struct rte_eth_dev *dev;
3110         int ret;
3111
3112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3113
3114         /* Check mask bits */
3115         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3116         if (ret < 0)
3117                 return ret;
3118
3119         dev = &rte_eth_devices[port_id];
3120         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3121         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3122                                                             reta_size));
3123 }
3124
3125 int
3126 rte_eth_dev_rss_hash_update(uint16_t port_id,
3127                             struct rte_eth_rss_conf *rss_conf)
3128 {
3129         struct rte_eth_dev *dev;
3130         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3131         int ret;
3132
3133         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3134
3135         ret = rte_eth_dev_info_get(port_id, &dev_info);
3136         if (ret != 0)
3137                 return ret;
3138
3139         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3140
3141         dev = &rte_eth_devices[port_id];
3142         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3143             dev_info.flow_type_rss_offloads) {
3144                 RTE_ETHDEV_LOG(ERR,
3145                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3146                         port_id, rss_conf->rss_hf,
3147                         dev_info.flow_type_rss_offloads);
3148                 return -EINVAL;
3149         }
3150         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3151         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3152                                                                  rss_conf));
3153 }
3154
3155 int
3156 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3157                               struct rte_eth_rss_conf *rss_conf)
3158 {
3159         struct rte_eth_dev *dev;
3160
3161         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3162         dev = &rte_eth_devices[port_id];
3163         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3164         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3165                                                                    rss_conf));
3166 }
3167
3168 int
3169 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3170                                 struct rte_eth_udp_tunnel *udp_tunnel)
3171 {
3172         struct rte_eth_dev *dev;
3173
3174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3175         if (udp_tunnel == NULL) {
3176                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3177                 return -EINVAL;
3178         }
3179
3180         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3181                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3182                 return -EINVAL;
3183         }
3184
3185         dev = &rte_eth_devices[port_id];
3186         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3187         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3188                                                                 udp_tunnel));
3189 }
3190
3191 int
3192 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3193                                    struct rte_eth_udp_tunnel *udp_tunnel)
3194 {
3195         struct rte_eth_dev *dev;
3196
3197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3198         dev = &rte_eth_devices[port_id];
3199
3200         if (udp_tunnel == NULL) {
3201                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3202                 return -EINVAL;
3203         }
3204
3205         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3206                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3207                 return -EINVAL;
3208         }
3209
3210         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3211         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3212                                                                 udp_tunnel));
3213 }
3214
3215 int
3216 rte_eth_led_on(uint16_t port_id)
3217 {
3218         struct rte_eth_dev *dev;
3219
3220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3221         dev = &rte_eth_devices[port_id];
3222         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3223         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3224 }
3225
3226 int
3227 rte_eth_led_off(uint16_t port_id)
3228 {
3229         struct rte_eth_dev *dev;
3230
3231         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3232         dev = &rte_eth_devices[port_id];
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3234         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3235 }
3236
3237 /*
3238  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3239  * an empty spot.
3240  */
3241 static int
3242 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3243 {
3244         struct rte_eth_dev_info dev_info;
3245         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3246         unsigned i;
3247         int ret;
3248
3249         ret = rte_eth_dev_info_get(port_id, &dev_info);
3250         if (ret != 0)
3251                 return -1;
3252
3253         for (i = 0; i < dev_info.max_mac_addrs; i++)
3254                 if (memcmp(addr, &dev->data->mac_addrs[i],
3255                                 RTE_ETHER_ADDR_LEN) == 0)
3256                         return i;
3257
3258         return -1;
3259 }
3260
3261 static const struct rte_ether_addr null_mac_addr;
3262
3263 int
3264 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3265                         uint32_t pool)
3266 {
3267         struct rte_eth_dev *dev;
3268         int index;
3269         uint64_t pool_mask;
3270         int ret;
3271
3272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3273         dev = &rte_eth_devices[port_id];
3274         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3275
3276         if (rte_is_zero_ether_addr(addr)) {
3277                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3278                         port_id);
3279                 return -EINVAL;
3280         }
3281         if (pool >= ETH_64_POOLS) {
3282                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3283                 return -EINVAL;
3284         }
3285
3286         index = get_mac_addr_index(port_id, addr);
3287         if (index < 0) {
3288                 index = get_mac_addr_index(port_id, &null_mac_addr);
3289                 if (index < 0) {
3290                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3291                                 port_id);
3292                         return -ENOSPC;
3293                 }
3294         } else {
3295                 pool_mask = dev->data->mac_pool_sel[index];
3296
3297                 /* Check if both MAC address and pool is already there, and do nothing */
3298                 if (pool_mask & (1ULL << pool))
3299                         return 0;
3300         }
3301
3302         /* Update NIC */
3303         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3304
3305         if (ret == 0) {
3306                 /* Update address in NIC data structure */
3307                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3308
3309                 /* Update pool bitmap in NIC data structure */
3310                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3311         }
3312
3313         return eth_err(port_id, ret);
3314 }
3315
3316 int
3317 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3318 {
3319         struct rte_eth_dev *dev;
3320         int index;
3321
3322         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3323         dev = &rte_eth_devices[port_id];
3324         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3325
3326         index = get_mac_addr_index(port_id, addr);
3327         if (index == 0) {
3328                 RTE_ETHDEV_LOG(ERR,
3329                         "Port %u: Cannot remove default MAC address\n",
3330                         port_id);
3331                 return -EADDRINUSE;
3332         } else if (index < 0)
3333                 return 0;  /* Do nothing if address wasn't found */
3334
3335         /* Update NIC */
3336         (*dev->dev_ops->mac_addr_remove)(dev, index);
3337
3338         /* Update address in NIC data structure */
3339         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3340
3341         /* reset pool bitmap */
3342         dev->data->mac_pool_sel[index] = 0;
3343
3344         return 0;
3345 }
3346
3347 int
3348 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3349 {
3350         struct rte_eth_dev *dev;
3351         int ret;
3352
3353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3354
3355         if (!rte_is_valid_assigned_ether_addr(addr))
3356                 return -EINVAL;
3357
3358         dev = &rte_eth_devices[port_id];
3359         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3360
3361         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3362         if (ret < 0)
3363                 return ret;
3364
3365         /* Update default address in NIC data structure */
3366         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3367
3368         return 0;
3369 }
3370
3371
3372 /*
3373  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3374  * an empty spot.
3375  */
3376 static int
3377 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3378 {
3379         struct rte_eth_dev_info dev_info;
3380         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3381         unsigned i;
3382         int ret;
3383
3384         ret = rte_eth_dev_info_get(port_id, &dev_info);
3385         if (ret != 0)
3386                 return -1;
3387
3388         if (!dev->data->hash_mac_addrs)
3389                 return -1;
3390
3391         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3392                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3393                         RTE_ETHER_ADDR_LEN) == 0)
3394                         return i;
3395
3396         return -1;
3397 }
3398
3399 int
3400 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3401                                 uint8_t on)
3402 {
3403         int index;
3404         int ret;
3405         struct rte_eth_dev *dev;
3406
3407         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3408
3409         dev = &rte_eth_devices[port_id];
3410         if (rte_is_zero_ether_addr(addr)) {
3411                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3412                         port_id);
3413                 return -EINVAL;
3414         }
3415
3416         index = get_hash_mac_addr_index(port_id, addr);
3417         /* Check if it's already there, and do nothing */
3418         if ((index >= 0) && on)
3419                 return 0;
3420
3421         if (index < 0) {
3422                 if (!on) {
3423                         RTE_ETHDEV_LOG(ERR,
3424                                 "Port %u: the MAC address was not set in UTA\n",
3425                                 port_id);
3426                         return -EINVAL;
3427                 }
3428
3429                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3430                 if (index < 0) {
3431                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3432                                 port_id);
3433                         return -ENOSPC;
3434                 }
3435         }
3436
3437         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3438         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3439         if (ret == 0) {
3440                 /* Update address in NIC data structure */
3441                 if (on)
3442                         rte_ether_addr_copy(addr,
3443                                         &dev->data->hash_mac_addrs[index]);
3444                 else
3445                         rte_ether_addr_copy(&null_mac_addr,
3446                                         &dev->data->hash_mac_addrs[index]);
3447         }
3448
3449         return eth_err(port_id, ret);
3450 }
3451
3452 int
3453 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3454 {
3455         struct rte_eth_dev *dev;
3456
3457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3458
3459         dev = &rte_eth_devices[port_id];
3460
3461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3462         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3463                                                                        on));
3464 }
3465
3466 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3467                                         uint16_t tx_rate)
3468 {
3469         struct rte_eth_dev *dev;
3470         struct rte_eth_dev_info dev_info;
3471         struct rte_eth_link link;
3472         int ret;
3473
3474         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3475
3476         ret = rte_eth_dev_info_get(port_id, &dev_info);
3477         if (ret != 0)
3478                 return ret;
3479
3480         dev = &rte_eth_devices[port_id];
3481         link = dev->data->dev_link;
3482
3483         if (queue_idx > dev_info.max_tx_queues) {
3484                 RTE_ETHDEV_LOG(ERR,
3485                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3486                         port_id, queue_idx);
3487                 return -EINVAL;
3488         }
3489
3490         if (tx_rate > link.link_speed) {
3491                 RTE_ETHDEV_LOG(ERR,
3492                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3493                         tx_rate, link.link_speed);
3494                 return -EINVAL;
3495         }
3496
3497         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3498         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3499                                                         queue_idx, tx_rate));
3500 }
3501
3502 int
3503 rte_eth_mirror_rule_set(uint16_t port_id,
3504                         struct rte_eth_mirror_conf *mirror_conf,
3505                         uint8_t rule_id, uint8_t on)
3506 {
3507         struct rte_eth_dev *dev;
3508
3509         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3510         if (mirror_conf->rule_type == 0) {
3511                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3512                 return -EINVAL;
3513         }
3514
3515         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3516                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3517                         ETH_64_POOLS - 1);
3518                 return -EINVAL;
3519         }
3520
3521         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3522              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3523             (mirror_conf->pool_mask == 0)) {
3524                 RTE_ETHDEV_LOG(ERR,
3525                         "Invalid mirror pool, pool mask can not be 0\n");
3526                 return -EINVAL;
3527         }
3528
3529         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3530             mirror_conf->vlan.vlan_mask == 0) {
3531                 RTE_ETHDEV_LOG(ERR,
3532                         "Invalid vlan mask, vlan mask can not be 0\n");
3533                 return -EINVAL;
3534         }
3535
3536         dev = &rte_eth_devices[port_id];
3537         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3538
3539         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3540                                                 mirror_conf, rule_id, on));
3541 }
3542
3543 int
3544 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3545 {
3546         struct rte_eth_dev *dev;
3547
3548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3549
3550         dev = &rte_eth_devices[port_id];
3551         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3552
3553         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3554                                                                    rule_id));
3555 }
3556
3557 RTE_INIT(eth_dev_init_cb_lists)
3558 {
3559         int i;
3560
3561         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3562                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3563 }
3564
3565 int
3566 rte_eth_dev_callback_register(uint16_t port_id,
3567                         enum rte_eth_event_type event,
3568                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3569 {
3570         struct rte_eth_dev *dev;
3571         struct rte_eth_dev_callback *user_cb;
3572         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3573         uint16_t last_port;
3574
3575         if (!cb_fn)
3576                 return -EINVAL;
3577
3578         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3579                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3580                 return -EINVAL;
3581         }
3582
3583         if (port_id == RTE_ETH_ALL) {
3584                 next_port = 0;
3585                 last_port = RTE_MAX_ETHPORTS - 1;
3586         } else {
3587                 next_port = last_port = port_id;
3588         }
3589
3590         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3591
3592         do {
3593                 dev = &rte_eth_devices[next_port];
3594
3595                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3596                         if (user_cb->cb_fn == cb_fn &&
3597                                 user_cb->cb_arg == cb_arg &&
3598                                 user_cb->event == event) {
3599                                 break;
3600                         }
3601                 }
3602
3603                 /* create a new callback. */
3604                 if (user_cb == NULL) {
3605                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3606                                 sizeof(struct rte_eth_dev_callback), 0);
3607                         if (user_cb != NULL) {
3608                                 user_cb->cb_fn = cb_fn;
3609                                 user_cb->cb_arg = cb_arg;
3610                                 user_cb->event = event;
3611                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3612                                                   user_cb, next);
3613                         } else {
3614                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3615                                 rte_eth_dev_callback_unregister(port_id, event,
3616                                                                 cb_fn, cb_arg);
3617                                 return -ENOMEM;
3618                         }
3619
3620                 }
3621         } while (++next_port <= last_port);
3622
3623         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3624         return 0;
3625 }
3626
3627 int
3628 rte_eth_dev_callback_unregister(uint16_t port_id,
3629                         enum rte_eth_event_type event,
3630                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3631 {
3632         int ret;
3633         struct rte_eth_dev *dev;
3634         struct rte_eth_dev_callback *cb, *next;
3635         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3636         uint16_t last_port;
3637
3638         if (!cb_fn)
3639                 return -EINVAL;
3640
3641         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3642                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3643                 return -EINVAL;
3644         }
3645
3646         if (port_id == RTE_ETH_ALL) {
3647                 next_port = 0;
3648                 last_port = RTE_MAX_ETHPORTS - 1;
3649         } else {
3650                 next_port = last_port = port_id;
3651         }
3652
3653         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3654
3655         do {
3656                 dev = &rte_eth_devices[next_port];
3657                 ret = 0;
3658                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3659                      cb = next) {
3660
3661                         next = TAILQ_NEXT(cb, next);
3662
3663                         if (cb->cb_fn != cb_fn || cb->event != event ||
3664                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3665                                 continue;
3666
3667                         /*
3668                          * if this callback is not executing right now,
3669                          * then remove it.
3670                          */
3671                         if (cb->active == 0) {
3672                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3673                                 rte_free(cb);
3674                         } else {
3675                                 ret = -EAGAIN;
3676                         }
3677                 }
3678         } while (++next_port <= last_port);
3679
3680         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3681         return ret;
3682 }
3683
3684 int
3685 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3686         enum rte_eth_event_type event, void *ret_param)
3687 {
3688         struct rte_eth_dev_callback *cb_lst;
3689         struct rte_eth_dev_callback dev_cb;
3690         int rc = 0;
3691
3692         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3693         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3694                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3695                         continue;
3696                 dev_cb = *cb_lst;
3697                 cb_lst->active = 1;
3698                 if (ret_param != NULL)
3699                         dev_cb.ret_param = ret_param;
3700
3701                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3702                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3703                                 dev_cb.cb_arg, dev_cb.ret_param);
3704                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3705                 cb_lst->active = 0;
3706         }
3707         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3708         return rc;
3709 }
3710
3711 void
3712 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3713 {
3714         if (dev == NULL)
3715                 return;
3716
3717         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3718
3719         dev->state = RTE_ETH_DEV_ATTACHED;
3720 }
3721
3722 int
3723 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3724 {
3725         uint32_t vec;
3726         struct rte_eth_dev *dev;
3727         struct rte_intr_handle *intr_handle;
3728         uint16_t qid;
3729         int rc;
3730
3731         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3732
3733         dev = &rte_eth_devices[port_id];
3734
3735         if (!dev->intr_handle) {
3736                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3737                 return -ENOTSUP;
3738         }
3739
3740         intr_handle = dev->intr_handle;
3741         if (!intr_handle->intr_vec) {
3742                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3743                 return -EPERM;
3744         }
3745
3746         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3747                 vec = intr_handle->intr_vec[qid];
3748                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3749                 if (rc && rc != -EEXIST) {
3750                         RTE_ETHDEV_LOG(ERR,
3751                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3752                                 port_id, qid, op, epfd, vec);
3753                 }
3754         }
3755
3756         return 0;
3757 }
3758
3759 int
3760 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3761 {
3762         struct rte_intr_handle *intr_handle;
3763         struct rte_eth_dev *dev;
3764         unsigned int efd_idx;
3765         uint32_t vec;
3766         int fd;
3767
3768         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3769
3770         dev = &rte_eth_devices[port_id];
3771
3772         if (queue_id >= dev->data->nb_rx_queues) {
3773                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3774                 return -1;
3775         }
3776
3777         if (!dev->intr_handle) {
3778                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3779                 return -1;
3780         }
3781
3782         intr_handle = dev->intr_handle;
3783         if (!intr_handle->intr_vec) {
3784                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3785                 return -1;
3786         }
3787
3788         vec = intr_handle->intr_vec[queue_id];
3789         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3790                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3791         fd = intr_handle->efds[efd_idx];
3792
3793         return fd;
3794 }
3795
3796 const struct rte_memzone *
3797 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3798                          uint16_t queue_id, size_t size, unsigned align,
3799                          int socket_id)
3800 {
3801         char z_name[RTE_MEMZONE_NAMESIZE];
3802         const struct rte_memzone *mz;
3803         int rc;
3804
3805         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3806                       dev->data->port_id, queue_id, ring_name);
3807         if (rc >= RTE_MEMZONE_NAMESIZE) {
3808                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3809                 rte_errno = ENAMETOOLONG;
3810                 return NULL;
3811         }
3812
3813         mz = rte_memzone_lookup(z_name);
3814         if (mz)
3815                 return mz;
3816
3817         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3818                         RTE_MEMZONE_IOVA_CONTIG, align);
3819 }
3820
3821 int
3822 rte_eth_dev_create(struct rte_device *device, const char *name,
3823         size_t priv_data_size,
3824         ethdev_bus_specific_init ethdev_bus_specific_init,
3825         void *bus_init_params,
3826         ethdev_init_t ethdev_init, void *init_params)
3827 {
3828         struct rte_eth_dev *ethdev;
3829         int retval;
3830
3831         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3832
3833         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3834                 ethdev = rte_eth_dev_allocate(name);
3835                 if (!ethdev)
3836                         return -ENODEV;
3837
3838                 if (priv_data_size) {
3839                         ethdev->data->dev_private = rte_zmalloc_socket(
3840                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3841                                 device->numa_node);
3842
3843                         if (!ethdev->data->dev_private) {
3844                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3845                                 retval = -ENOMEM;
3846                                 goto probe_failed;
3847                         }
3848                 }
3849         } else {
3850                 ethdev = rte_eth_dev_attach_secondary(name);
3851                 if (!ethdev) {
3852                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3853                                 "ethdev doesn't exist");
3854                         return  -ENODEV;
3855                 }
3856         }
3857
3858         ethdev->device = device;
3859
3860         if (ethdev_bus_specific_init) {
3861                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3862                 if (retval) {
3863                         RTE_LOG(ERR, EAL,
3864                                 "ethdev bus specific initialisation failed");
3865                         goto probe_failed;
3866                 }
3867         }
3868
3869         retval = ethdev_init(ethdev, init_params);
3870         if (retval) {
3871                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3872                 goto probe_failed;
3873         }
3874
3875         rte_eth_dev_probing_finish(ethdev);
3876
3877         return retval;
3878
3879 probe_failed:
3880         rte_eth_dev_release_port(ethdev);
3881         return retval;
3882 }
3883
3884 int
3885 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3886         ethdev_uninit_t ethdev_uninit)
3887 {
3888         int ret;
3889
3890         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3891         if (!ethdev)
3892                 return -ENODEV;
3893
3894         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3895
3896         ret = ethdev_uninit(ethdev);
3897         if (ret)
3898                 return ret;
3899
3900         return rte_eth_dev_release_port(ethdev);
3901 }
3902
3903 int
3904 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3905                           int epfd, int op, void *data)
3906 {
3907         uint32_t vec;
3908         struct rte_eth_dev *dev;
3909         struct rte_intr_handle *intr_handle;
3910         int rc;
3911
3912         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3913
3914         dev = &rte_eth_devices[port_id];
3915         if (queue_id >= dev->data->nb_rx_queues) {
3916                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3917                 return -EINVAL;
3918         }
3919
3920         if (!dev->intr_handle) {
3921                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3922                 return -ENOTSUP;
3923         }
3924
3925         intr_handle = dev->intr_handle;
3926         if (!intr_handle->intr_vec) {
3927                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3928                 return -EPERM;
3929         }
3930
3931         vec = intr_handle->intr_vec[queue_id];
3932         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3933         if (rc && rc != -EEXIST) {
3934                 RTE_ETHDEV_LOG(ERR,
3935                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3936                         port_id, queue_id, op, epfd, vec);
3937                 return rc;
3938         }
3939
3940         return 0;
3941 }
3942
3943 int
3944 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3945                            uint16_t queue_id)
3946 {
3947         struct rte_eth_dev *dev;
3948
3949         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3950
3951         dev = &rte_eth_devices[port_id];
3952
3953         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3954         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3955                                                                 queue_id));
3956 }
3957
3958 int
3959 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3960                             uint16_t queue_id)
3961 {
3962         struct rte_eth_dev *dev;
3963
3964         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3965
3966         dev = &rte_eth_devices[port_id];
3967
3968         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3969         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3970                                                                 queue_id));
3971 }
3972
3973
3974 int
3975 rte_eth_dev_filter_supported(uint16_t port_id,
3976                              enum rte_filter_type filter_type)
3977 {
3978         struct rte_eth_dev *dev;
3979
3980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3981
3982         dev = &rte_eth_devices[port_id];
3983         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3984         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3985                                 RTE_ETH_FILTER_NOP, NULL);
3986 }
3987
3988 int
3989 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3990                         enum rte_filter_op filter_op, void *arg)
3991 {
3992         struct rte_eth_dev *dev;
3993
3994         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3995
3996         dev = &rte_eth_devices[port_id];
3997         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3998         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3999                                                              filter_op, arg));
4000 }
4001
4002 const struct rte_eth_rxtx_callback *
4003 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4004                 rte_rx_callback_fn fn, void *user_param)
4005 {
4006 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4007         rte_errno = ENOTSUP;
4008         return NULL;
4009 #endif
4010         /* check input parameters */
4011         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4012                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4013                 rte_errno = EINVAL;
4014                 return NULL;
4015         }
4016         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4017
4018         if (cb == NULL) {
4019                 rte_errno = ENOMEM;
4020                 return NULL;
4021         }
4022
4023         cb->fn.rx = fn;
4024         cb->param = user_param;
4025
4026         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4027         /* Add the callbacks in fifo order. */
4028         struct rte_eth_rxtx_callback *tail =
4029                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4030
4031         if (!tail) {
4032                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4033
4034         } else {
4035                 while (tail->next)
4036                         tail = tail->next;
4037                 tail->next = cb;
4038         }
4039         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4040
4041         return cb;
4042 }
4043
4044 const struct rte_eth_rxtx_callback *
4045 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4046                 rte_rx_callback_fn fn, void *user_param)
4047 {
4048 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4049         rte_errno = ENOTSUP;
4050         return NULL;
4051 #endif
4052         /* check input parameters */
4053         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4054                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4055                 rte_errno = EINVAL;
4056                 return NULL;
4057         }
4058
4059         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4060
4061         if (cb == NULL) {
4062                 rte_errno = ENOMEM;
4063                 return NULL;
4064         }
4065
4066         cb->fn.rx = fn;
4067         cb->param = user_param;
4068
4069         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4070         /* Add the callbacks at fisrt position*/
4071         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4072         rte_smp_wmb();
4073         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4074         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4075
4076         return cb;
4077 }
4078
4079 const struct rte_eth_rxtx_callback *
4080 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4081                 rte_tx_callback_fn fn, void *user_param)
4082 {
4083 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4084         rte_errno = ENOTSUP;
4085         return NULL;
4086 #endif
4087         /* check input parameters */
4088         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4089                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4090                 rte_errno = EINVAL;
4091                 return NULL;
4092         }
4093
4094         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4095
4096         if (cb == NULL) {
4097                 rte_errno = ENOMEM;
4098                 return NULL;
4099         }
4100
4101         cb->fn.tx = fn;
4102         cb->param = user_param;
4103
4104         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4105         /* Add the callbacks in fifo order. */
4106         struct rte_eth_rxtx_callback *tail =
4107                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4108
4109         if (!tail) {
4110                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4111
4112         } else {
4113                 while (tail->next)
4114                         tail = tail->next;
4115                 tail->next = cb;
4116         }
4117         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4118
4119         return cb;
4120 }
4121
4122 int
4123 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4124                 const struct rte_eth_rxtx_callback *user_cb)
4125 {
4126 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4127         return -ENOTSUP;
4128 #endif
4129         /* Check input parameters. */
4130         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4131         if (user_cb == NULL ||
4132                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4133                 return -EINVAL;
4134
4135         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4136         struct rte_eth_rxtx_callback *cb;
4137         struct rte_eth_rxtx_callback **prev_cb;
4138         int ret = -EINVAL;
4139
4140         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4141         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4142         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4143                 cb = *prev_cb;
4144                 if (cb == user_cb) {
4145                         /* Remove the user cb from the callback list. */
4146                         *prev_cb = cb->next;
4147                         ret = 0;
4148                         break;
4149                 }
4150         }
4151         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4152
4153         return ret;
4154 }
4155
4156 int
4157 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4158                 const struct rte_eth_rxtx_callback *user_cb)
4159 {
4160 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4161         return -ENOTSUP;
4162 #endif
4163         /* Check input parameters. */
4164         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4165         if (user_cb == NULL ||
4166                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4167                 return -EINVAL;
4168
4169         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4170         int ret = -EINVAL;
4171         struct rte_eth_rxtx_callback *cb;
4172         struct rte_eth_rxtx_callback **prev_cb;
4173
4174         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4175         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4176         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4177                 cb = *prev_cb;
4178                 if (cb == user_cb) {
4179                         /* Remove the user cb from the callback list. */
4180                         *prev_cb = cb->next;
4181                         ret = 0;
4182                         break;
4183                 }
4184         }
4185         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4186
4187         return ret;
4188 }
4189
4190 int
4191 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4192         struct rte_eth_rxq_info *qinfo)
4193 {
4194         struct rte_eth_dev *dev;
4195
4196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4197
4198         if (qinfo == NULL)
4199                 return -EINVAL;
4200
4201         dev = &rte_eth_devices[port_id];
4202         if (queue_id >= dev->data->nb_rx_queues) {
4203                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4204                 return -EINVAL;
4205         }
4206
4207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4208
4209         memset(qinfo, 0, sizeof(*qinfo));
4210         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4211         return 0;
4212 }
4213
4214 int
4215 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4216         struct rte_eth_txq_info *qinfo)
4217 {
4218         struct rte_eth_dev *dev;
4219
4220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4221
4222         if (qinfo == NULL)
4223                 return -EINVAL;
4224
4225         dev = &rte_eth_devices[port_id];
4226         if (queue_id >= dev->data->nb_tx_queues) {
4227                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4228                 return -EINVAL;
4229         }
4230
4231         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4232
4233         memset(qinfo, 0, sizeof(*qinfo));
4234         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4235
4236         return 0;
4237 }
4238
4239 int
4240 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4241                           struct rte_eth_burst_mode *mode)
4242 {
4243         struct rte_eth_dev *dev;
4244
4245         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4246
4247         if (mode == NULL)
4248                 return -EINVAL;
4249
4250         dev = &rte_eth_devices[port_id];
4251
4252         if (queue_id >= dev->data->nb_rx_queues) {
4253                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4254                 return -EINVAL;
4255         }
4256
4257         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
4258         memset(mode, 0, sizeof(*mode));
4259         return eth_err(port_id,
4260                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
4261 }
4262
4263 int
4264 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4265                           struct rte_eth_burst_mode *mode)
4266 {
4267         struct rte_eth_dev *dev;
4268
4269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4270
4271         if (mode == NULL)
4272                 return -EINVAL;
4273
4274         dev = &rte_eth_devices[port_id];
4275
4276         if (queue_id >= dev->data->nb_tx_queues) {
4277                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4278                 return -EINVAL;
4279         }
4280
4281         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
4282         memset(mode, 0, sizeof(*mode));
4283         return eth_err(port_id,
4284                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
4285 }
4286
4287 const char *
4288 rte_eth_burst_mode_option_name(uint64_t option)
4289 {
4290         const char *name = "";
4291         unsigned int i;
4292
4293         for (i = 0; i < RTE_DIM(rte_burst_option_names); ++i) {
4294                 if (option == rte_burst_option_names[i].option) {
4295                         name = rte_burst_option_names[i].name;
4296                         break;
4297                 }
4298         }
4299
4300         return name;
4301 }
4302
4303 int
4304 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4305                              struct rte_ether_addr *mc_addr_set,
4306                              uint32_t nb_mc_addr)
4307 {
4308         struct rte_eth_dev *dev;
4309
4310         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4311
4312         dev = &rte_eth_devices[port_id];
4313         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4314         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4315                                                 mc_addr_set, nb_mc_addr));
4316 }
4317
4318 int
4319 rte_eth_timesync_enable(uint16_t port_id)
4320 {
4321         struct rte_eth_dev *dev;
4322
4323         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4324         dev = &rte_eth_devices[port_id];
4325
4326         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4327         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4328 }
4329
4330 int
4331 rte_eth_timesync_disable(uint16_t port_id)
4332 {
4333         struct rte_eth_dev *dev;
4334
4335         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4336         dev = &rte_eth_devices[port_id];
4337
4338         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4339         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4340 }
4341
4342 int
4343 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4344                                    uint32_t flags)
4345 {
4346         struct rte_eth_dev *dev;
4347
4348         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4349         dev = &rte_eth_devices[port_id];
4350
4351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4352         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4353                                 (dev, timestamp, flags));
4354 }
4355
4356 int
4357 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4358                                    struct timespec *timestamp)
4359 {
4360         struct rte_eth_dev *dev;
4361
4362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4363         dev = &rte_eth_devices[port_id];
4364
4365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4366         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4367                                 (dev, timestamp));
4368 }
4369
4370 int
4371 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4372 {
4373         struct rte_eth_dev *dev;
4374
4375         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4376         dev = &rte_eth_devices[port_id];
4377
4378         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4379         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4380                                                                       delta));
4381 }
4382
4383 int
4384 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4385 {
4386         struct rte_eth_dev *dev;
4387
4388         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4389         dev = &rte_eth_devices[port_id];
4390
4391         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4392         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4393                                                                 timestamp));
4394 }
4395
4396 int
4397 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4398 {
4399         struct rte_eth_dev *dev;
4400
4401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4402         dev = &rte_eth_devices[port_id];
4403
4404         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4405         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4406                                                                 timestamp));
4407 }
4408
4409 int
4410 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4411 {
4412         struct rte_eth_dev *dev;
4413
4414         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4415         dev = &rte_eth_devices[port_id];
4416
4417         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4418         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4419 }
4420
4421 int
4422 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4423 {
4424         struct rte_eth_dev *dev;
4425
4426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4427
4428         dev = &rte_eth_devices[port_id];
4429         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4430         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4431 }
4432
4433 int
4434 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4435 {
4436         struct rte_eth_dev *dev;
4437
4438         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4439
4440         dev = &rte_eth_devices[port_id];
4441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4442         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4443 }
4444
4445 int
4446 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4447 {
4448         struct rte_eth_dev *dev;
4449
4450         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4451
4452         dev = &rte_eth_devices[port_id];
4453         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4454         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4455 }
4456
4457 int
4458 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4459 {
4460         struct rte_eth_dev *dev;
4461
4462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4463
4464         dev = &rte_eth_devices[port_id];
4465         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4466         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4467 }
4468
4469 int
4470 rte_eth_dev_get_module_info(uint16_t port_id,
4471                             struct rte_eth_dev_module_info *modinfo)
4472 {
4473         struct rte_eth_dev *dev;
4474
4475         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4476
4477         dev = &rte_eth_devices[port_id];
4478         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4479         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4480 }
4481
4482 int
4483 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4484                               struct rte_dev_eeprom_info *info)
4485 {
4486         struct rte_eth_dev *dev;
4487
4488         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4489
4490         dev = &rte_eth_devices[port_id];
4491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4492         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4493 }
4494
4495 int
4496 rte_eth_dev_get_dcb_info(uint16_t port_id,
4497                              struct rte_eth_dcb_info *dcb_info)
4498 {
4499         struct rte_eth_dev *dev;
4500
4501         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4502
4503         dev = &rte_eth_devices[port_id];
4504         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4505
4506         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4507         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4508 }
4509
4510 int
4511 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4512                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4513 {
4514         struct rte_eth_dev *dev;
4515
4516         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4517         if (l2_tunnel == NULL) {
4518                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4519                 return -EINVAL;
4520         }
4521
4522         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4523                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4524                 return -EINVAL;
4525         }
4526
4527         dev = &rte_eth_devices[port_id];
4528         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4529                                 -ENOTSUP);
4530         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4531                                                                 l2_tunnel));
4532 }
4533
4534 int
4535 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4536                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4537                                   uint32_t mask,
4538                                   uint8_t en)
4539 {
4540         struct rte_eth_dev *dev;
4541
4542         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4543
4544         if (l2_tunnel == NULL) {
4545                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4546                 return -EINVAL;
4547         }
4548
4549         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4550                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4551                 return -EINVAL;
4552         }
4553
4554         if (mask == 0) {
4555                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4556                 return -EINVAL;
4557         }
4558
4559         dev = &rte_eth_devices[port_id];
4560         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4561                                 -ENOTSUP);
4562         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4563                                                         l2_tunnel, mask, en));
4564 }
4565
4566 static void
4567 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4568                            const struct rte_eth_desc_lim *desc_lim)
4569 {
4570         if (desc_lim->nb_align != 0)
4571                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4572
4573         if (desc_lim->nb_max != 0)
4574                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4575
4576         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4577 }
4578
4579 int
4580 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4581                                  uint16_t *nb_rx_desc,
4582                                  uint16_t *nb_tx_desc)
4583 {
4584         struct rte_eth_dev_info dev_info;
4585         int ret;
4586
4587         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4588
4589         ret = rte_eth_dev_info_get(port_id, &dev_info);
4590         if (ret != 0)
4591                 return ret;
4592
4593         if (nb_rx_desc != NULL)
4594                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4595
4596         if (nb_tx_desc != NULL)
4597                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4598
4599         return 0;
4600 }
4601
4602 int
4603 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4604 {
4605         struct rte_eth_dev *dev;
4606
4607         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4608
4609         if (pool == NULL)
4610                 return -EINVAL;
4611
4612         dev = &rte_eth_devices[port_id];
4613
4614         if (*dev->dev_ops->pool_ops_supported == NULL)
4615                 return 1; /* all pools are supported */
4616
4617         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4618 }
4619
4620 /**
4621  * A set of values to describe the possible states of a switch domain.
4622  */
4623 enum rte_eth_switch_domain_state {
4624         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4625         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4626 };
4627
4628 /**
4629  * Array of switch domains available for allocation. Array is sized to
4630  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4631  * ethdev ports in a single process.
4632  */
4633 static struct rte_eth_dev_switch {
4634         enum rte_eth_switch_domain_state state;
4635 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4636
4637 int
4638 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4639 {
4640         unsigned int i;
4641
4642         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4643
4644         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4645                 i < RTE_MAX_ETHPORTS; i++) {
4646                 if (rte_eth_switch_domains[i].state ==
4647                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4648                         rte_eth_switch_domains[i].state =
4649                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4650                         *domain_id = i;
4651                         return 0;
4652                 }
4653         }
4654
4655         return -ENOSPC;
4656 }
4657
4658 int
4659 rte_eth_switch_domain_free(uint16_t domain_id)
4660 {
4661         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4662                 domain_id >= RTE_MAX_ETHPORTS)
4663                 return -EINVAL;
4664
4665         if (rte_eth_switch_domains[domain_id].state !=
4666                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4667                 return -EINVAL;
4668
4669         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4670
4671         return 0;
4672 }
4673
4674 static int
4675 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4676 {
4677         int state;
4678         struct rte_kvargs_pair *pair;
4679         char *letter;
4680
4681         arglist->str = strdup(str_in);
4682         if (arglist->str == NULL)
4683                 return -ENOMEM;
4684
4685         letter = arglist->str;
4686         state = 0;
4687         arglist->count = 0;
4688         pair = &arglist->pairs[0];
4689         while (1) {
4690                 switch (state) {
4691                 case 0: /* Initial */
4692                         if (*letter == '=')
4693                                 return -EINVAL;
4694                         else if (*letter == '\0')
4695                                 return 0;
4696
4697                         state = 1;
4698                         pair->key = letter;
4699                         /* fall-thru */
4700
4701                 case 1: /* Parsing key */
4702                         if (*letter == '=') {
4703                                 *letter = '\0';
4704                                 pair->value = letter + 1;
4705                                 state = 2;
4706                         } else if (*letter == ',' || *letter == '\0')
4707                                 return -EINVAL;
4708                         break;
4709
4710
4711                 case 2: /* Parsing value */
4712                         if (*letter == '[')
4713                                 state = 3;
4714                         else if (*letter == ',') {
4715                                 *letter = '\0';
4716                                 arglist->count++;
4717                                 pair = &arglist->pairs[arglist->count];
4718                                 state = 0;
4719                         } else if (*letter == '\0') {
4720                                 letter--;
4721                                 arglist->count++;
4722                                 pair = &arglist->pairs[arglist->count];
4723                                 state = 0;
4724                         }
4725                         break;
4726
4727                 case 3: /* Parsing list */
4728                         if (*letter == ']')
4729                                 state = 2;
4730                         else if (*letter == '\0')
4731                                 return -EINVAL;
4732                         break;
4733                 }
4734                 letter++;
4735         }
4736 }
4737
4738 int
4739 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4740 {
4741         struct rte_kvargs args;
4742         struct rte_kvargs_pair *pair;
4743         unsigned int i;
4744         int result = 0;
4745
4746         memset(eth_da, 0, sizeof(*eth_da));
4747
4748         result = rte_eth_devargs_tokenise(&args, dargs);
4749         if (result < 0)
4750                 goto parse_cleanup;
4751
4752         for (i = 0; i < args.count; i++) {
4753                 pair = &args.pairs[i];
4754                 if (strcmp("representor", pair->key) == 0) {
4755                         result = rte_eth_devargs_parse_list(pair->value,
4756                                 rte_eth_devargs_parse_representor_ports,
4757                                 eth_da);
4758                         if (result < 0)
4759                                 goto parse_cleanup;
4760                 }
4761         }
4762
4763 parse_cleanup:
4764         if (args.str)
4765                 free(args.str);
4766
4767         return result;
4768 }
4769
4770 RTE_INIT(ethdev_init_log)
4771 {
4772         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4773         if (rte_eth_dev_logtype >= 0)
4774                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4775 }