lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40 #include <rte_ether.h>
  41 #include <rte_telemetry.h>
  42
  43 #include "rte_ethdev_trace.h"
  44 #include "rte_ethdev.h"
  45 #include "rte_ethdev_driver.h"
  46 #include "ethdev_profile.h"
  47 #include "ethdev_private.h"
  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 RTE_DIM(rte_stats_strings)
  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 RTE_DIM(rte_rxq_stats_strings)
  98
  99 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 100         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 101         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 102 };
 103 #define RTE_NB_TXQ_STATS RTE_DIM(rte_txq_stats_strings)
 104
 105 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 106         { DEV_RX_OFFLOAD_##_name, #_name }
 107
 108 static const struct {
 109         uint64_t offload;
 110         const char *name;
 111 } rte_rx_offload_names[] = {
 112         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 113         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 114         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 117         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 118         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 121         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 122         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 123         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 124         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 125         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 126         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 127         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 128         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 129         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 130         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 131 };
 132
 133 #undef RTE_RX_OFFLOAD_BIT2STR
 134
 135 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 136         { DEV_TX_OFFLOAD_##_name, #_name }
 137
 138 static const struct {
 139         uint64_t offload;
 140         const char *name;
 141 } rte_tx_offload_names[] = {
 142         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 143         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 144         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 148         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 150         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 151         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 156         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 157         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 158         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 159         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 160         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 161         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 163         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 164 };
 165
 166 #undef RTE_TX_OFFLOAD_BIT2STR
 167
 168 /**
 169  * The user application callback description.
 170  *
 171  * It contains callback address to be registered by user application,
 172  * the pointer to the parameters for callback, and the event type.
 173  */
 174 struct rte_eth_dev_callback {
 175         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 176         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 177         void *cb_arg;                           /**< Parameter for callback */
 178         void *ret_param;                        /**< Return parameter */
 179         enum rte_eth_event_type event;          /**< Interrupt event type */
 180         uint32_t active;                        /**< Callback is executing */
 181 };
 182
 183 enum {
 184         STAT_QMAP_TX = 0,
 185         STAT_QMAP_RX
 186 };
 187
 188 int
 189 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 190 {
 191         int ret;
 192         struct rte_devargs devargs = {.args = NULL};
 193         const char *bus_param_key;
 194         char *bus_str = NULL;
 195         char *cls_str = NULL;
 196         int str_size;
 197
 198         memset(iter, 0, sizeof(*iter));
 199
 200         /*
 201          * The devargs string may use various syntaxes:
 202          *   - 0000:08:00.0,representor=[1-3]
 203          *   - pci:0000:06:00.0,representor=[0,5]
 204          *   - class=eth,mac=00:11:22:33:44:55
 205          * A new syntax is in development (not yet supported):
 206          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 207          */
 208
 209         /*
 210          * Handle pure class filter (i.e. without any bus-level argument),
 211          * from future new syntax.
 212          * rte_devargs_parse() is not yet supporting the new syntax,
 213          * that's why this simple case is temporarily parsed here.
 214          */
 215 #define iter_anybus_str "class=eth,"
 216         if (strncmp(devargs_str, iter_anybus_str,
 217                         strlen(iter_anybus_str)) == 0) {
 218                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 219                 goto end;
 220         }
 221
 222         /* Split bus, device and parameters. */
 223         ret = rte_devargs_parse(&devargs, devargs_str);
 224         if (ret != 0)
 225                 goto error;
 226
 227         /*
 228          * Assume parameters of old syntax can match only at ethdev level.
 229          * Extra parameters will be ignored, thanks to "+" prefix.
 230          */
 231         str_size = strlen(devargs.args) + 2;
 232         cls_str = malloc(str_size);
 233         if (cls_str == NULL) {
 234                 ret = -ENOMEM;
 235                 goto error;
 236         }
 237         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 238         if (ret != str_size - 1) {
 239                 ret = -EINVAL;
 240                 goto error;
 241         }
 242         iter->cls_str = cls_str;
 243         free(devargs.args); /* allocated by rte_devargs_parse() */
 244         devargs.args = NULL;
 245
 246         iter->bus = devargs.bus;
 247         if (iter->bus->dev_iterate == NULL) {
 248                 ret = -ENOTSUP;
 249                 goto error;
 250         }
 251
 252         /* Convert bus args to new syntax for use with new API dev_iterate. */
 253         if (strcmp(iter->bus->name, "vdev") == 0) {
 254                 bus_param_key = "name";
 255         } else if (strcmp(iter->bus->name, "pci") == 0) {
 256                 bus_param_key = "addr";
 257         } else {
 258                 ret = -ENOTSUP;
 259                 goto error;
 260         }
 261         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 262         bus_str = malloc(str_size);
 263         if (bus_str == NULL) {
 264                 ret = -ENOMEM;
 265                 goto error;
 266         }
 267         ret = snprintf(bus_str, str_size, "%s=%s",
 268                         bus_param_key, devargs.name);
 269         if (ret != str_size - 1) {
 270                 ret = -EINVAL;
 271                 goto error;
 272         }
 273         iter->bus_str = bus_str;
 274
 275 end:
 276         iter->cls = rte_class_find_by_name("eth");
 277         return 0;
 278
 279 error:
 280         if (ret == -ENOTSUP)
 281                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 282                                 iter->bus->name);
 283         free(devargs.args);
 284         free(bus_str);
 285         free(cls_str);
 286         return ret;
 287 }
 288
 289 uint16_t
 290 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 291 {
 292         if (iter->cls == NULL) /* invalid ethdev iterator */
 293                 return RTE_MAX_ETHPORTS;
 294
 295         do { /* loop to try all matching rte_device */
 296                 /* If not pure ethdev filter and */
 297                 if (iter->bus != NULL &&
 298                                 /* not in middle of rte_eth_dev iteration, */
 299                                 iter->class_device == NULL) {
 300                         /* get next rte_device to try. */
 301                         iter->device = iter->bus->dev_iterate(
 302                                         iter->device, iter->bus_str, iter);
 303                         if (iter->device == NULL)
 304                                 break; /* no more rte_device candidate */
 305                 }
 306                 /* A device is matching bus part, need to check ethdev part. */
 307                 iter->class_device = iter->cls->dev_iterate(
 308                                 iter->class_device, iter->cls_str, iter);
 309                 if (iter->class_device != NULL)
 310                         return eth_dev_to_id(iter->class_device); /* match */
 311         } while (iter->bus != NULL); /* need to try next rte_device */
 312
 313         /* No more ethdev port to iterate. */
 314         rte_eth_iterator_cleanup(iter);
 315         return RTE_MAX_ETHPORTS;
 316 }
 317
 318 void
 319 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 320 {
 321         if (iter->bus_str == NULL)
 322                 return; /* nothing to free in pure class filter */
 323         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 324         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 325         memset(iter, 0, sizeof(*iter));
 326 }
 327
 328 uint16_t
 329 rte_eth_find_next(uint16_t port_id)
 330 {
 331         while (port_id < RTE_MAX_ETHPORTS &&
 332                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 333                 port_id++;
 334
 335         if (port_id >= RTE_MAX_ETHPORTS)
 336                 return RTE_MAX_ETHPORTS;
 337
 338         return port_id;
 339 }
 340
 341 /*
 342  * Macro to iterate over all valid ports for internal usage.
 343  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 344  */
 345 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 346         for (port_id = rte_eth_find_next(0); \
 347              port_id < RTE_MAX_ETHPORTS; \
 348              port_id = rte_eth_find_next(port_id + 1))
 349
 350 uint16_t
 351 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 352 {
 353         port_id = rte_eth_find_next(port_id);
 354         while (port_id < RTE_MAX_ETHPORTS &&
 355                         rte_eth_devices[port_id].device != parent)
 356                 port_id = rte_eth_find_next(port_id + 1);
 357
 358         return port_id;
 359 }
 360
 361 uint16_t
 362 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 363 {
 364         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 365         return rte_eth_find_next_of(port_id,
 366                         rte_eth_devices[ref_port_id].device);
 367 }
 368
 369 static void
 370 rte_eth_dev_shared_data_prepare(void)
 371 {
 372         const unsigned flags = 0;
 373         const struct rte_memzone *mz;
 374
 375         rte_spinlock_lock(&rte_eth_shared_data_lock);
 376
 377         if (rte_eth_dev_shared_data == NULL) {
 378                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 379                         /* Allocate port data and ownership shared memory. */
 380                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 381                                         sizeof(*rte_eth_dev_shared_data),
 382                                         rte_socket_id(), flags);
 383                 } else
 384                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 385                 if (mz == NULL)
 386                         rte_panic("Cannot allocate ethdev shared data\n");
 387
 388                 rte_eth_dev_shared_data = mz->addr;
 389                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 390                         rte_eth_dev_shared_data->next_owner_id =
 391                                         RTE_ETH_DEV_NO_OWNER + 1;
 392                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 393                         memset(rte_eth_dev_shared_data->data, 0,
 394                                sizeof(rte_eth_dev_shared_data->data));
 395                 }
 396         }
 397
 398         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 399 }
 400
 401 static bool
 402 is_allocated(const struct rte_eth_dev *ethdev)
 403 {
 404         return ethdev->data->name[0] != '\0';
 405 }
 406
 407 static struct rte_eth_dev *
 408 _rte_eth_dev_allocated(const char *name)
 409 {
 410         unsigned i;
 411
 412         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 413                 if (rte_eth_devices[i].data != NULL &&
 414                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 415                         return &rte_eth_devices[i];
 416         }
 417         return NULL;
 418 }
 419
 420 struct rte_eth_dev *
 421 rte_eth_dev_allocated(const char *name)
 422 {
 423         struct rte_eth_dev *ethdev;
 424
 425         rte_eth_dev_shared_data_prepare();
 426
 427         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 428
 429         ethdev = _rte_eth_dev_allocated(name);
 430
 431         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 432
 433         return ethdev;
 434 }
 435
 436 static uint16_t
 437 rte_eth_dev_find_free_port(void)
 438 {
 439         unsigned i;
 440
 441         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 442                 /* Using shared name field to find a free port. */
 443                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 444                         RTE_ASSERT(rte_eth_devices[i].state ==
 445                                    RTE_ETH_DEV_UNUSED);
 446                         return i;
 447                 }
 448         }
 449         return RTE_MAX_ETHPORTS;
 450 }
 451
 452 static struct rte_eth_dev *
 453 eth_dev_get(uint16_t port_id)
 454 {
 455         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 456
 457         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 458
 459         return eth_dev;
 460 }
 461
 462 struct rte_eth_dev *
 463 rte_eth_dev_allocate(const char *name)
 464 {
 465         uint16_t port_id;
 466         struct rte_eth_dev *eth_dev = NULL;
 467         size_t name_len;
 468
 469         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 470         if (name_len == 0) {
 471                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 472                 return NULL;
 473         }
 474
 475         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 476                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 477                 return NULL;
 478         }
 479
 480         rte_eth_dev_shared_data_prepare();
 481
 482         /* Synchronize port creation between primary and secondary threads. */
 483         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 484
 485         if (_rte_eth_dev_allocated(name) != NULL) {
 486                 RTE_ETHDEV_LOG(ERR,
 487                         "Ethernet device with name %s already allocated\n",
 488                         name);
 489                 goto unlock;
 490         }
 491
 492         port_id = rte_eth_dev_find_free_port();
 493         if (port_id == RTE_MAX_ETHPORTS) {
 494                 RTE_ETHDEV_LOG(ERR,
 495                         "Reached maximum number of Ethernet ports\n");
 496                 goto unlock;
 497         }
 498
 499         eth_dev = eth_dev_get(port_id);
 500         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 501         eth_dev->data->port_id = port_id;
 502         eth_dev->data->mtu = RTE_ETHER_MTU;
 503
 504 unlock:
 505         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 506
 507         return eth_dev;
 508 }
 509
 510 /*
 511  * Attach to a port already registered by the primary process, which
 512  * makes sure that the same device would have the same port id both
 513  * in the primary and secondary process.
 514  */
 515 struct rte_eth_dev *
 516 rte_eth_dev_attach_secondary(const char *name)
 517 {
 518         uint16_t i;
 519         struct rte_eth_dev *eth_dev = NULL;
 520
 521         rte_eth_dev_shared_data_prepare();
 522
 523         /* Synchronize port attachment to primary port creation and release. */
 524         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 525
 526         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 527                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 528                         break;
 529         }
 530         if (i == RTE_MAX_ETHPORTS) {
 531                 RTE_ETHDEV_LOG(ERR,
 532                         "Device %s is not driven by the primary process\n",
 533                         name);
 534         } else {
 535                 eth_dev = eth_dev_get(i);
 536                 RTE_ASSERT(eth_dev->data->port_id == i);
 537         }
 538
 539         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 540         return eth_dev;
 541 }
 542
 543 int
 544 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 545 {
 546         if (eth_dev == NULL)
 547                 return -EINVAL;
 548
 549         rte_eth_dev_shared_data_prepare();
 550
 551         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 552                 rte_eth_dev_callback_process(eth_dev,
 553                                 RTE_ETH_EVENT_DESTROY, NULL);
 554
 555         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 556
 557         eth_dev->state = RTE_ETH_DEV_UNUSED;
 558         eth_dev->device = NULL;
 559         eth_dev->intr_handle = NULL;
 560
 561         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 562                 rte_free(eth_dev->data->rx_queues);
 563                 rte_free(eth_dev->data->tx_queues);
 564                 rte_free(eth_dev->data->mac_addrs);
 565                 rte_free(eth_dev->data->hash_mac_addrs);
 566                 rte_free(eth_dev->data->dev_private);
 567                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 568         }
 569
 570         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 571
 572         return 0;
 573 }
 574
 575 int
 576 rte_eth_dev_is_valid_port(uint16_t port_id)
 577 {
 578         if (port_id >= RTE_MAX_ETHPORTS ||
 579             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 580                 return 0;
 581         else
 582                 return 1;
 583 }
 584
 585 static int
 586 rte_eth_is_valid_owner_id(uint64_t owner_id)
 587 {
 588         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 589             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 590                 return 0;
 591         return 1;
 592 }
 593
 594 uint64_t
 595 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 596 {
 597         port_id = rte_eth_find_next(port_id);
 598         while (port_id < RTE_MAX_ETHPORTS &&
 599                         rte_eth_devices[port_id].data->owner.id != owner_id)
 600                 port_id = rte_eth_find_next(port_id + 1);
 601
 602         return port_id;
 603 }
 604
 605 int
 606 rte_eth_dev_owner_new(uint64_t *owner_id)
 607 {
 608         rte_eth_dev_shared_data_prepare();
 609
 610         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 611
 612         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 613
 614         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 615         return 0;
 616 }
 617
 618 static int
 619 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 620                        const struct rte_eth_dev_owner *new_owner)
 621 {
 622         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 623         struct rte_eth_dev_owner *port_owner;
 624
 625         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 626                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 627                         port_id);
 628                 return -ENODEV;
 629         }
 630
 631         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 632             !rte_eth_is_valid_owner_id(old_owner_id)) {
 633                 RTE_ETHDEV_LOG(ERR,
 634                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 635                        old_owner_id, new_owner->id);
 636                 return -EINVAL;
 637         }
 638
 639         port_owner = &rte_eth_devices[port_id].data->owner;
 640         if (port_owner->id != old_owner_id) {
 641                 RTE_ETHDEV_LOG(ERR,
 642                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 643                         port_id, port_owner->name, port_owner->id);
 644                 return -EPERM;
 645         }
 646
 647         /* can not truncate (same structure) */
 648         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 649
 650         port_owner->id = new_owner->id;
 651
 652         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 653                 port_id, new_owner->name, new_owner->id);
 654
 655         return 0;
 656 }
 657
 658 int
 659 rte_eth_dev_owner_set(const uint16_t port_id,
 660                       const struct rte_eth_dev_owner *owner)
 661 {
 662         int ret;
 663
 664         rte_eth_dev_shared_data_prepare();
 665
 666         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 667
 668         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 669
 670         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 671         return ret;
 672 }
 673
 674 int
 675 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 676 {
 677         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 678                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 679         int ret;
 680
 681         rte_eth_dev_shared_data_prepare();
 682
 683         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 684
 685         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 686
 687         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 688         return ret;
 689 }
 690
 691 int
 692 rte_eth_dev_owner_delete(const uint64_t owner_id)
 693 {
 694         uint16_t port_id;
 695         int ret = 0;
 696
 697         rte_eth_dev_shared_data_prepare();
 698
 699         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 700
 701         if (rte_eth_is_valid_owner_id(owner_id)) {
 702                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 703                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 704                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 705                                        sizeof(struct rte_eth_dev_owner));
 706                 RTE_ETHDEV_LOG(NOTICE,
 707                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 708                         owner_id);
 709         } else {
 710                 RTE_ETHDEV_LOG(ERR,
 711                                "Invalid owner id=%016"PRIx64"\n",
 712                                owner_id);
 713                 ret = -EINVAL;
 714         }
 715
 716         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 717
 718         return ret;
 719 }
 720
 721 int
 722 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 723 {
 724         int ret = 0;
 725         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 726
 727         rte_eth_dev_shared_data_prepare();
 728
 729         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 730
 731         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 732                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 733                         port_id);
 734                 ret = -ENODEV;
 735         } else {
 736                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 737         }
 738
 739         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 740         return ret;
 741 }
 742
 743 int
 744 rte_eth_dev_socket_id(uint16_t port_id)
 745 {
 746         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 747         return rte_eth_devices[port_id].data->numa_node;
 748 }
 749
 750 void *
 751 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 752 {
 753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 754         return rte_eth_devices[port_id].security_ctx;
 755 }
 756
 757 uint16_t
 758 rte_eth_dev_count_avail(void)
 759 {
 760         uint16_t p;
 761         uint16_t count;
 762
 763         count = 0;
 764
 765         RTE_ETH_FOREACH_DEV(p)
 766                 count++;
 767
 768         return count;
 769 }
 770
 771 uint16_t
 772 rte_eth_dev_count_total(void)
 773 {
 774         uint16_t port, count = 0;
 775
 776         RTE_ETH_FOREACH_VALID_DEV(port)
 777                 count++;
 778
 779         return count;
 780 }
 781
 782 int
 783 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 784 {
 785         char *tmp;
 786
 787         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 788
 789         if (name == NULL) {
 790                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 791                 return -EINVAL;
 792         }
 793
 794         /* shouldn't check 'rte_eth_devices[i].data',
 795          * because it might be overwritten by VDEV PMD */
 796         tmp = rte_eth_dev_shared_data->data[port_id].name;
 797         strcpy(name, tmp);
 798         return 0;
 799 }
 800
 801 int
 802 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 803 {
 804         uint32_t pid;
 805
 806         if (name == NULL) {
 807                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 808                 return -EINVAL;
 809         }
 810
 811         RTE_ETH_FOREACH_VALID_DEV(pid)
 812                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 813                         *port_id = pid;
 814                         return 0;
 815                 }
 816
 817         return -ENODEV;
 818 }
 819
 820 static int
 821 eth_err(uint16_t port_id, int ret)
 822 {
 823         if (ret == 0)
 824                 return 0;
 825         if (rte_eth_dev_is_removed(port_id))
 826                 return -EIO;
 827         return ret;
 828 }
 829
 830 static int
 831 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 832 {
 833         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 834         void **rxq;
 835         unsigned i;
 836
 837         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 838                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 839                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 840                                 RTE_CACHE_LINE_SIZE);
 841                 if (dev->data->rx_queues == NULL) {
 842                         dev->data->nb_rx_queues = 0;
 843                         return -(ENOMEM);
 844                 }
 845         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 846                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 847
 848                 rxq = dev->data->rx_queues;
 849
 850                 for (i = nb_queues; i < old_nb_queues; i++)
 851                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 852                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 853                                 RTE_CACHE_LINE_SIZE);
 854                 if (rxq == NULL)
 855                         return -(ENOMEM);
 856                 if (nb_queues > old_nb_queues) {
 857                         uint16_t new_qs = nb_queues - old_nb_queues;
 858
 859                         memset(rxq + old_nb_queues, 0,
 860                                 sizeof(rxq[0]) * new_qs);
 861                 }
 862
 863                 dev->data->rx_queues = rxq;
 864
 865         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 866                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 867
 868                 rxq = dev->data->rx_queues;
 869
 870                 for (i = nb_queues; i < old_nb_queues; i++)
 871                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 872
 873                 rte_free(dev->data->rx_queues);
 874                 dev->data->rx_queues = NULL;
 875         }
 876         dev->data->nb_rx_queues = nb_queues;
 877         return 0;
 878 }
 879
 880 int
 881 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 882 {
 883         struct rte_eth_dev *dev;
 884
 885         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 886
 887         dev = &rte_eth_devices[port_id];
 888         if (!dev->data->dev_started) {
 889                 RTE_ETHDEV_LOG(ERR,
 890                         "Port %u must be started before start any queue\n",
 891                         port_id);
 892                 return -EINVAL;
 893         }
 894
 895         if (rx_queue_id >= dev->data->nb_rx_queues) {
 896                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 897                 return -EINVAL;
 898         }
 899
 900         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 901
 902         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 903                 RTE_ETHDEV_LOG(INFO,
 904                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 905                         rx_queue_id, port_id);
 906                 return -EINVAL;
 907         }
 908
 909         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 910                 RTE_ETHDEV_LOG(INFO,
 911                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 912                         rx_queue_id, port_id);
 913                 return 0;
 914         }
 915
 916         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 917                                                              rx_queue_id));
 918
 919 }
 920
 921 int
 922 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 923 {
 924         struct rte_eth_dev *dev;
 925
 926         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 927
 928         dev = &rte_eth_devices[port_id];
 929         if (rx_queue_id >= dev->data->nb_rx_queues) {
 930                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 931                 return -EINVAL;
 932         }
 933
 934         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 935
 936         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 937                 RTE_ETHDEV_LOG(INFO,
 938                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 939                         rx_queue_id, port_id);
 940                 return -EINVAL;
 941         }
 942
 943         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 944                 RTE_ETHDEV_LOG(INFO,
 945                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 946                         rx_queue_id, port_id);
 947                 return 0;
 948         }
 949
 950         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 951
 952 }
 953
 954 int
 955 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 956 {
 957         struct rte_eth_dev *dev;
 958
 959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 960
 961         dev = &rte_eth_devices[port_id];
 962         if (!dev->data->dev_started) {
 963                 RTE_ETHDEV_LOG(ERR,
 964                         "Port %u must be started before start any queue\n",
 965                         port_id);
 966                 return -EINVAL;
 967         }
 968
 969         if (tx_queue_id >= dev->data->nb_tx_queues) {
 970                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 971                 return -EINVAL;
 972         }
 973
 974         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 975
 976         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
 977                 RTE_ETHDEV_LOG(INFO,
 978                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 979                         tx_queue_id, port_id);
 980                 return -EINVAL;
 981         }
 982
 983         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 984                 RTE_ETHDEV_LOG(INFO,
 985                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 986                         tx_queue_id, port_id);
 987                 return 0;
 988         }
 989
 990         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 991 }
 992
 993 int
 994 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 995 {
 996         struct rte_eth_dev *dev;
 997
 998         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 999
1000         dev = &rte_eth_devices[port_id];
1001         if (tx_queue_id >= dev->data->nb_tx_queues) {
1002                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1003                 return -EINVAL;
1004         }
1005
1006         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1007
1008         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1009                 RTE_ETHDEV_LOG(INFO,
1010                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1011                         tx_queue_id, port_id);
1012                 return -EINVAL;
1013         }
1014
1015         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1016                 RTE_ETHDEV_LOG(INFO,
1017                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1018                         tx_queue_id, port_id);
1019                 return 0;
1020         }
1021
1022         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1023
1024 }
1025
1026 static int
1027 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1028 {
1029         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1030         void **txq;
1031         unsigned i;
1032
1033         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1034                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1035                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1036                                                    RTE_CACHE_LINE_SIZE);
1037                 if (dev->data->tx_queues == NULL) {
1038                         dev->data->nb_tx_queues = 0;
1039                         return -(ENOMEM);
1040                 }
1041         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1042                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1043
1044                 txq = dev->data->tx_queues;
1045
1046                 for (i = nb_queues; i < old_nb_queues; i++)
1047                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1048                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1049                                   RTE_CACHE_LINE_SIZE);
1050                 if (txq == NULL)
1051                         return -ENOMEM;
1052                 if (nb_queues > old_nb_queues) {
1053                         uint16_t new_qs = nb_queues - old_nb_queues;
1054
1055                         memset(txq + old_nb_queues, 0,
1056                                sizeof(txq[0]) * new_qs);
1057                 }
1058
1059                 dev->data->tx_queues = txq;
1060
1061         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1062                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1063
1064                 txq = dev->data->tx_queues;
1065
1066                 for (i = nb_queues; i < old_nb_queues; i++)
1067                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1068
1069                 rte_free(dev->data->tx_queues);
1070                 dev->data->tx_queues = NULL;
1071         }
1072         dev->data->nb_tx_queues = nb_queues;
1073         return 0;
1074 }
1075
1076 uint32_t
1077 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1078 {
1079         switch (speed) {
1080         case ETH_SPEED_NUM_10M:
1081                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1082         case ETH_SPEED_NUM_100M:
1083                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1084         case ETH_SPEED_NUM_1G:
1085                 return ETH_LINK_SPEED_1G;
1086         case ETH_SPEED_NUM_2_5G:
1087                 return ETH_LINK_SPEED_2_5G;
1088         case ETH_SPEED_NUM_5G:
1089                 return ETH_LINK_SPEED_5G;
1090         case ETH_SPEED_NUM_10G:
1091                 return ETH_LINK_SPEED_10G;
1092         case ETH_SPEED_NUM_20G:
1093                 return ETH_LINK_SPEED_20G;
1094         case ETH_SPEED_NUM_25G:
1095                 return ETH_LINK_SPEED_25G;
1096         case ETH_SPEED_NUM_40G:
1097                 return ETH_LINK_SPEED_40G;
1098         case ETH_SPEED_NUM_50G:
1099                 return ETH_LINK_SPEED_50G;
1100         case ETH_SPEED_NUM_56G:
1101                 return ETH_LINK_SPEED_56G;
1102         case ETH_SPEED_NUM_100G:
1103                 return ETH_LINK_SPEED_100G;
1104         case ETH_SPEED_NUM_200G:
1105                 return ETH_LINK_SPEED_200G;
1106         default:
1107                 return 0;
1108         }
1109 }
1110
1111 const char *
1112 rte_eth_dev_rx_offload_name(uint64_t offload)
1113 {
1114         const char *name = "UNKNOWN";
1115         unsigned int i;
1116
1117         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1118                 if (offload == rte_rx_offload_names[i].offload) {
1119                         name = rte_rx_offload_names[i].name;
1120                         break;
1121                 }
1122         }
1123
1124         return name;
1125 }
1126
1127 const char *
1128 rte_eth_dev_tx_offload_name(uint64_t offload)
1129 {
1130         const char *name = "UNKNOWN";
1131         unsigned int i;
1132
1133         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1134                 if (offload == rte_tx_offload_names[i].offload) {
1135                         name = rte_tx_offload_names[i].name;
1136                         break;
1137                 }
1138         }
1139
1140         return name;
1141 }
1142
1143 static inline int
1144 check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1145                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1146 {
1147         int ret = 0;
1148
1149         if (dev_info_size == 0) {
1150                 if (config_size != max_rx_pkt_len) {
1151                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1152                                        " %u != %u is not allowed\n",
1153                                        port_id, config_size, max_rx_pkt_len);
1154                         ret = -EINVAL;
1155                 }
1156         } else if (config_size > dev_info_size) {
1157                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1158                                "> max allowed value %u\n", port_id, config_size,
1159                                dev_info_size);
1160                 ret = -EINVAL;
1161         } else if (config_size < RTE_ETHER_MIN_LEN) {
1162                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1163                                "< min allowed value %u\n", port_id, config_size,
1164                                (unsigned int)RTE_ETHER_MIN_LEN);
1165                 ret = -EINVAL;
1166         }
1167         return ret;
1168 }
1169
1170 /*
1171  * Validate offloads that are requested through rte_eth_dev_configure against
1172  * the offloads successfully set by the ethernet device.
1173  *
1174  * @param port_id
1175  *   The port identifier of the Ethernet device.
1176  * @param req_offloads
1177  *   The offloads that have been requested through `rte_eth_dev_configure`.
1178  * @param set_offloads
1179  *   The offloads successfully set by the ethernet device.
1180  * @param offload_type
1181  *   The offload type i.e. Rx/Tx string.
1182  * @param offload_name
1183  *   The function that prints the offload name.
1184  * @return
1185  *   - (0) if validation successful.
1186  *   - (-EINVAL) if requested offload has been silently disabled.
1187  *
1188  */
1189 static int
1190 validate_offloads(uint16_t port_id, uint64_t req_offloads,
1191                   uint64_t set_offloads, const char *offload_type,
1192                   const char *(*offload_name)(uint64_t))
1193 {
1194         uint64_t offloads_diff = req_offloads ^ set_offloads;
1195         uint64_t offload;
1196         int ret = 0;
1197
1198         while (offloads_diff != 0) {
1199                 /* Check if any offload is requested but not enabled. */
1200                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1201                 if (offload & req_offloads) {
1202                         RTE_ETHDEV_LOG(ERR,
1203                                 "Port %u failed to enable %s offload %s\n",
1204                                 port_id, offload_type, offload_name(offload));
1205                         ret = -EINVAL;
1206                 }
1207
1208                 /* Check if offload couldn't be disabled. */
1209                 if (offload & set_offloads) {
1210                         RTE_ETHDEV_LOG(DEBUG,
1211                                 "Port %u %s offload %s is not requested but enabled\n",
1212                                 port_id, offload_type, offload_name(offload));
1213                 }
1214
1215                 offloads_diff &= ~offload;
1216         }
1217
1218         return ret;
1219 }
1220
1221 int
1222 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1223                       const struct rte_eth_conf *dev_conf)
1224 {
1225         struct rte_eth_dev *dev;
1226         struct rte_eth_dev_info dev_info;
1227         struct rte_eth_conf orig_conf;
1228         int diag;
1229         int ret;
1230
1231         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1232
1233         dev = &rte_eth_devices[port_id];
1234
1235         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1236
1237         if (dev->data->dev_started) {
1238                 RTE_ETHDEV_LOG(ERR,
1239                         "Port %u must be stopped to allow configuration\n",
1240                         port_id);
1241                 return -EBUSY;
1242         }
1243
1244          /* Store original config, as rollback required on failure */
1245         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1246
1247         /*
1248          * Copy the dev_conf parameter into the dev structure.
1249          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1250          */
1251         if (dev_conf != &dev->data->dev_conf)
1252                 memcpy(&dev->data->dev_conf, dev_conf,
1253                        sizeof(dev->data->dev_conf));
1254
1255         ret = rte_eth_dev_info_get(port_id, &dev_info);
1256         if (ret != 0)
1257                 goto rollback;
1258
1259         /* If number of queues specified by application for both Rx and Tx is
1260          * zero, use driver preferred values. This cannot be done individually
1261          * as it is valid for either Tx or Rx (but not both) to be zero.
1262          * If driver does not provide any preferred valued, fall back on
1263          * EAL defaults.
1264          */
1265         if (nb_rx_q == 0 && nb_tx_q == 0) {
1266                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1267                 if (nb_rx_q == 0)
1268                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1269                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1270                 if (nb_tx_q == 0)
1271                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1272         }
1273
1274         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1275                 RTE_ETHDEV_LOG(ERR,
1276                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1277                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1278                 ret = -EINVAL;
1279                 goto rollback;
1280         }
1281
1282         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1283                 RTE_ETHDEV_LOG(ERR,
1284                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1285                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1286                 ret = -EINVAL;
1287                 goto rollback;
1288         }
1289
1290         /*
1291          * Check that the numbers of RX and TX queues are not greater
1292          * than the maximum number of RX and TX queues supported by the
1293          * configured device.
1294          */
1295         if (nb_rx_q > dev_info.max_rx_queues) {
1296                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1297                         port_id, nb_rx_q, dev_info.max_rx_queues);
1298                 ret = -EINVAL;
1299                 goto rollback;
1300         }
1301
1302         if (nb_tx_q > dev_info.max_tx_queues) {
1303                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1304                         port_id, nb_tx_q, dev_info.max_tx_queues);
1305                 ret = -EINVAL;
1306                 goto rollback;
1307         }
1308
1309         /* Check that the device supports requested interrupts */
1310         if ((dev_conf->intr_conf.lsc == 1) &&
1311                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1312                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1313                         dev->device->driver->name);
1314                 ret = -EINVAL;
1315                 goto rollback;
1316         }
1317         if ((dev_conf->intr_conf.rmv == 1) &&
1318                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1319                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1320                         dev->device->driver->name);
1321                 ret = -EINVAL;
1322                 goto rollback;
1323         }
1324
1325         /*
1326          * If jumbo frames are enabled, check that the maximum RX packet
1327          * length is supported by the configured device.
1328          */
1329         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1330                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1331                         RTE_ETHDEV_LOG(ERR,
1332                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1333                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1334                                 dev_info.max_rx_pktlen);
1335                         ret = -EINVAL;
1336                         goto rollback;
1337                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1338                         RTE_ETHDEV_LOG(ERR,
1339                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1340                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1341                                 (unsigned int)RTE_ETHER_MIN_LEN);
1342                         ret = -EINVAL;
1343                         goto rollback;
1344                 }
1345         } else {
1346                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1347                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1348                         /* Use default value */
1349                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1350                                                         RTE_ETHER_MAX_LEN;
1351         }
1352
1353         /*
1354          * If LRO is enabled, check that the maximum aggregated packet
1355          * size is supported by the configured device.
1356          */
1357         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1358                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1359                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1360                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1361                 ret = check_lro_pkt_size(port_id,
1362                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1363                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1364                                 dev_info.max_lro_pkt_size);
1365                 if (ret != 0)
1366                         goto rollback;
1367         }
1368
1369         /* Any requested offloading must be within its device capabilities */
1370         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1371              dev_conf->rxmode.offloads) {
1372                 RTE_ETHDEV_LOG(ERR,
1373                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1374                         "capabilities 0x%"PRIx64" in %s()\n",
1375                         port_id, dev_conf->rxmode.offloads,
1376                         dev_info.rx_offload_capa,
1377                         __func__);
1378                 ret = -EINVAL;
1379                 goto rollback;
1380         }
1381         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1382              dev_conf->txmode.offloads) {
1383                 RTE_ETHDEV_LOG(ERR,
1384                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1385                         "capabilities 0x%"PRIx64" in %s()\n",
1386                         port_id, dev_conf->txmode.offloads,
1387                         dev_info.tx_offload_capa,
1388                         __func__);
1389                 ret = -EINVAL;
1390                 goto rollback;
1391         }
1392
1393         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1394                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1395
1396         /* Check that device supports requested rss hash functions. */
1397         if ((dev_info.flow_type_rss_offloads |
1398              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1399             dev_info.flow_type_rss_offloads) {
1400                 RTE_ETHDEV_LOG(ERR,
1401                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1402                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1403                         dev_info.flow_type_rss_offloads);
1404                 ret = -EINVAL;
1405                 goto rollback;
1406         }
1407
1408         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1409         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1410             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1411                 RTE_ETHDEV_LOG(ERR,
1412                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1413                         port_id,
1414                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1415                 ret = -EINVAL;
1416                 goto rollback;
1417         }
1418
1419         /*
1420          * Setup new number of RX/TX queues and reconfigure device.
1421          */
1422         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1423         if (diag != 0) {
1424                 RTE_ETHDEV_LOG(ERR,
1425                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1426                         port_id, diag);
1427                 ret = diag;
1428                 goto rollback;
1429         }
1430
1431         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1432         if (diag != 0) {
1433                 RTE_ETHDEV_LOG(ERR,
1434                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1435                         port_id, diag);
1436                 rte_eth_dev_rx_queue_config(dev, 0);
1437                 ret = diag;
1438                 goto rollback;
1439         }
1440
1441         diag = (*dev->dev_ops->dev_configure)(dev);
1442         if (diag != 0) {
1443                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1444                         port_id, diag);
1445                 ret = eth_err(port_id, diag);
1446                 goto reset_queues;
1447         }
1448
1449         /* Initialize Rx profiling if enabled at compilation time. */
1450         diag = __rte_eth_dev_profile_init(port_id, dev);
1451         if (diag != 0) {
1452                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1453                         port_id, diag);
1454                 ret = eth_err(port_id, diag);
1455                 goto reset_queues;
1456         }
1457
1458         /* Validate Rx offloads. */
1459         diag = validate_offloads(port_id,
1460                         dev_conf->rxmode.offloads,
1461                         dev->data->dev_conf.rxmode.offloads, "Rx",
1462                         rte_eth_dev_rx_offload_name);
1463         if (diag != 0) {
1464                 ret = diag;
1465                 goto reset_queues;
1466         }
1467
1468         /* Validate Tx offloads. */
1469         diag = validate_offloads(port_id,
1470                         dev_conf->txmode.offloads,
1471                         dev->data->dev_conf.txmode.offloads, "Tx",
1472                         rte_eth_dev_tx_offload_name);
1473         if (diag != 0) {
1474                 ret = diag;
1475                 goto reset_queues;
1476         }
1477
1478         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1479         return 0;
1480 reset_queues:
1481         rte_eth_dev_rx_queue_config(dev, 0);
1482         rte_eth_dev_tx_queue_config(dev, 0);
1483 rollback:
1484         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1485
1486         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1487         return ret;
1488 }
1489
1490 void
1491 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1492 {
1493         if (dev->data->dev_started) {
1494                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1495                         dev->data->port_id);
1496                 return;
1497         }
1498
1499         rte_eth_dev_rx_queue_config(dev, 0);
1500         rte_eth_dev_tx_queue_config(dev, 0);
1501
1502         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1503 }
1504
1505 static void
1506 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1507                         struct rte_eth_dev_info *dev_info)
1508 {
1509         struct rte_ether_addr *addr;
1510         uint16_t i;
1511         uint32_t pool = 0;
1512         uint64_t pool_mask;
1513
1514         /* replay MAC address configuration including default MAC */
1515         addr = &dev->data->mac_addrs[0];
1516         if (*dev->dev_ops->mac_addr_set != NULL)
1517                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1518         else if (*dev->dev_ops->mac_addr_add != NULL)
1519                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1520
1521         if (*dev->dev_ops->mac_addr_add != NULL) {
1522                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1523                         addr = &dev->data->mac_addrs[i];
1524
1525                         /* skip zero address */
1526                         if (rte_is_zero_ether_addr(addr))
1527                                 continue;
1528
1529                         pool = 0;
1530                         pool_mask = dev->data->mac_pool_sel[i];
1531
1532                         do {
1533                                 if (pool_mask & 1ULL)
1534                                         (*dev->dev_ops->mac_addr_add)(dev,
1535                                                 addr, i, pool);
1536                                 pool_mask >>= 1;
1537                                 pool++;
1538                         } while (pool_mask);
1539                 }
1540         }
1541 }
1542
1543 static int
1544 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1545                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1546 {
1547         int ret;
1548
1549         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1550                 rte_eth_dev_mac_restore(dev, dev_info);
1551
1552         /* replay promiscuous configuration */
1553         /*
1554          * use callbacks directly since we don't need port_id check and
1555          * would like to bypass the same value set
1556          */
1557         if (rte_eth_promiscuous_get(port_id) == 1 &&
1558             *dev->dev_ops->promiscuous_enable != NULL) {
1559                 ret = eth_err(port_id,
1560                               (*dev->dev_ops->promiscuous_enable)(dev));
1561                 if (ret != 0 && ret != -ENOTSUP) {
1562                         RTE_ETHDEV_LOG(ERR,
1563                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1564                                 port_id, rte_strerror(-ret));
1565                         return ret;
1566                 }
1567         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1568                    *dev->dev_ops->promiscuous_disable != NULL) {
1569                 ret = eth_err(port_id,
1570                               (*dev->dev_ops->promiscuous_disable)(dev));
1571                 if (ret != 0 && ret != -ENOTSUP) {
1572                         RTE_ETHDEV_LOG(ERR,
1573                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1574                                 port_id, rte_strerror(-ret));
1575                         return ret;
1576                 }
1577         }
1578
1579         /* replay all multicast configuration */
1580         /*
1581          * use callbacks directly since we don't need port_id check and
1582          * would like to bypass the same value set
1583          */
1584         if (rte_eth_allmulticast_get(port_id) == 1 &&
1585             *dev->dev_ops->allmulticast_enable != NULL) {
1586                 ret = eth_err(port_id,
1587                               (*dev->dev_ops->allmulticast_enable)(dev));
1588                 if (ret != 0 && ret != -ENOTSUP) {
1589                         RTE_ETHDEV_LOG(ERR,
1590                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1591                                 port_id, rte_strerror(-ret));
1592                         return ret;
1593                 }
1594         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1595                    *dev->dev_ops->allmulticast_disable != NULL) {
1596                 ret = eth_err(port_id,
1597                               (*dev->dev_ops->allmulticast_disable)(dev));
1598                 if (ret != 0 && ret != -ENOTSUP) {
1599                         RTE_ETHDEV_LOG(ERR,
1600                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1601                                 port_id, rte_strerror(-ret));
1602                         return ret;
1603                 }
1604         }
1605
1606         return 0;
1607 }
1608
1609 int
1610 rte_eth_dev_start(uint16_t port_id)
1611 {
1612         struct rte_eth_dev *dev;
1613         struct rte_eth_dev_info dev_info;
1614         int diag;
1615         int ret;
1616
1617         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1618
1619         dev = &rte_eth_devices[port_id];
1620
1621         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1622
1623         if (dev->data->dev_started != 0) {
1624                 RTE_ETHDEV_LOG(INFO,
1625                         "Device with port_id=%"PRIu16" already started\n",
1626                         port_id);
1627                 return 0;
1628         }
1629
1630         ret = rte_eth_dev_info_get(port_id, &dev_info);
1631         if (ret != 0)
1632                 return ret;
1633
1634         /* Lets restore MAC now if device does not support live change */
1635         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1636                 rte_eth_dev_mac_restore(dev, &dev_info);
1637
1638         diag = (*dev->dev_ops->dev_start)(dev);
1639         if (diag == 0)
1640                 dev->data->dev_started = 1;
1641         else
1642                 return eth_err(port_id, diag);
1643
1644         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1645         if (ret != 0) {
1646                 RTE_ETHDEV_LOG(ERR,
1647                         "Error during restoring configuration for device (port %u): %s\n",
1648                         port_id, rte_strerror(-ret));
1649                 rte_eth_dev_stop(port_id);
1650                 return ret;
1651         }
1652
1653         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1654                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1655                 (*dev->dev_ops->link_update)(dev, 0);
1656         }
1657
1658         rte_ethdev_trace_start(port_id);
1659         return 0;
1660 }
1661
1662 void
1663 rte_eth_dev_stop(uint16_t port_id)
1664 {
1665         struct rte_eth_dev *dev;
1666
1667         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1668         dev = &rte_eth_devices[port_id];
1669
1670         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1671
1672         if (dev->data->dev_started == 0) {
1673                 RTE_ETHDEV_LOG(INFO,
1674                         "Device with port_id=%"PRIu16" already stopped\n",
1675                         port_id);
1676                 return;
1677         }
1678
1679         dev->data->dev_started = 0;
1680         (*dev->dev_ops->dev_stop)(dev);
1681         rte_ethdev_trace_stop(port_id);
1682 }
1683
1684 int
1685 rte_eth_dev_set_link_up(uint16_t port_id)
1686 {
1687         struct rte_eth_dev *dev;
1688
1689         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1690
1691         dev = &rte_eth_devices[port_id];
1692
1693         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1694         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1695 }
1696
1697 int
1698 rte_eth_dev_set_link_down(uint16_t port_id)
1699 {
1700         struct rte_eth_dev *dev;
1701
1702         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1703
1704         dev = &rte_eth_devices[port_id];
1705
1706         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1707         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1708 }
1709
1710 void
1711 rte_eth_dev_close(uint16_t port_id)
1712 {
1713         struct rte_eth_dev *dev;
1714
1715         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1716         dev = &rte_eth_devices[port_id];
1717
1718         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1719         dev->data->dev_started = 0;
1720         (*dev->dev_ops->dev_close)(dev);
1721
1722         rte_ethdev_trace_close(port_id);
1723         rte_eth_dev_release_port(dev);
1724 }
1725
1726 int
1727 rte_eth_dev_reset(uint16_t port_id)
1728 {
1729         struct rte_eth_dev *dev;
1730         int ret;
1731
1732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1733         dev = &rte_eth_devices[port_id];
1734
1735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1736
1737         rte_eth_dev_stop(port_id);
1738         ret = dev->dev_ops->dev_reset(dev);
1739
1740         return eth_err(port_id, ret);
1741 }
1742
1743 int
1744 rte_eth_dev_is_removed(uint16_t port_id)
1745 {
1746         struct rte_eth_dev *dev;
1747         int ret;
1748
1749         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1750
1751         dev = &rte_eth_devices[port_id];
1752
1753         if (dev->state == RTE_ETH_DEV_REMOVED)
1754                 return 1;
1755
1756         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1757
1758         ret = dev->dev_ops->is_removed(dev);
1759         if (ret != 0)
1760                 /* Device is physically removed. */
1761                 dev->state = RTE_ETH_DEV_REMOVED;
1762
1763         return ret;
1764 }
1765
1766 int
1767 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1768                        uint16_t nb_rx_desc, unsigned int socket_id,
1769                        const struct rte_eth_rxconf *rx_conf,
1770                        struct rte_mempool *mp)
1771 {
1772         int ret;
1773         uint32_t mbp_buf_size;
1774         struct rte_eth_dev *dev;
1775         struct rte_eth_dev_info dev_info;
1776         struct rte_eth_rxconf local_conf;
1777         void **rxq;
1778
1779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1780
1781         dev = &rte_eth_devices[port_id];
1782         if (rx_queue_id >= dev->data->nb_rx_queues) {
1783                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1784                 return -EINVAL;
1785         }
1786
1787         if (mp == NULL) {
1788                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1789                 return -EINVAL;
1790         }
1791
1792         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1793
1794         /*
1795          * Check the size of the mbuf data buffer.
1796          * This value must be provided in the private data of the memory pool.
1797          * First check that the memory pool has a valid private data.
1798          */
1799         ret = rte_eth_dev_info_get(port_id, &dev_info);
1800         if (ret != 0)
1801                 return ret;
1802
1803         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1804                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1805                         mp->name, (int)mp->private_data_size,
1806                         (int)sizeof(struct rte_pktmbuf_pool_private));
1807                 return -ENOSPC;
1808         }
1809         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1810
1811         if (mbp_buf_size < dev_info.min_rx_bufsize + RTE_PKTMBUF_HEADROOM) {
1812                 RTE_ETHDEV_LOG(ERR,
1813                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1814                         mp->name, (int)mbp_buf_size,
1815                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1816                         (int)RTE_PKTMBUF_HEADROOM,
1817                         (int)dev_info.min_rx_bufsize);
1818                 return -EINVAL;
1819         }
1820
1821         /* Use default specified by driver, if nb_rx_desc is zero */
1822         if (nb_rx_desc == 0) {
1823                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1824                 /* If driver default is also zero, fall back on EAL default */
1825                 if (nb_rx_desc == 0)
1826                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1827         }
1828
1829         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1830                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1831                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1832
1833                 RTE_ETHDEV_LOG(ERR,
1834                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1835                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1836                         dev_info.rx_desc_lim.nb_min,
1837                         dev_info.rx_desc_lim.nb_align);
1838                 return -EINVAL;
1839         }
1840
1841         if (dev->data->dev_started &&
1842                 !(dev_info.dev_capa &
1843                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1844                 return -EBUSY;
1845
1846         if (dev->data->dev_started &&
1847                 (dev->data->rx_queue_state[rx_queue_id] !=
1848                         RTE_ETH_QUEUE_STATE_STOPPED))
1849                 return -EBUSY;
1850
1851         rxq = dev->data->rx_queues;
1852         if (rxq[rx_queue_id]) {
1853                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1854                                         -ENOTSUP);
1855                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1856                 rxq[rx_queue_id] = NULL;
1857         }
1858
1859         if (rx_conf == NULL)
1860                 rx_conf = &dev_info.default_rxconf;
1861
1862         local_conf = *rx_conf;
1863
1864         /*
1865          * If an offloading has already been enabled in
1866          * rte_eth_dev_configure(), it has been enabled on all queues,
1867          * so there is no need to enable it in this queue again.
1868          * The local_conf.offloads input to underlying PMD only carries
1869          * those offloadings which are only enabled on this queue and
1870          * not enabled on all queues.
1871          */
1872         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1873
1874         /*
1875          * New added offloadings for this queue are those not enabled in
1876          * rte_eth_dev_configure() and they must be per-queue type.
1877          * A pure per-port offloading can't be enabled on a queue while
1878          * disabled on another queue. A pure per-port offloading can't
1879          * be enabled for any queue as new added one if it hasn't been
1880          * enabled in rte_eth_dev_configure().
1881          */
1882         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1883              local_conf.offloads) {
1884                 RTE_ETHDEV_LOG(ERR,
1885                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1886                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1887                         port_id, rx_queue_id, local_conf.offloads,
1888                         dev_info.rx_queue_offload_capa,
1889                         __func__);
1890                 return -EINVAL;
1891         }
1892
1893         /*
1894          * If LRO is enabled, check that the maximum aggregated packet
1895          * size is supported by the configured device.
1896          */
1897         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1898                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
1899                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1900                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1901                 int ret = check_lro_pkt_size(port_id,
1902                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1903                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1904                                 dev_info.max_lro_pkt_size);
1905                 if (ret != 0)
1906                         return ret;
1907         }
1908
1909         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1910                                               socket_id, &local_conf, mp);
1911         if (!ret) {
1912                 if (!dev->data->min_rx_buf_size ||
1913                     dev->data->min_rx_buf_size > mbp_buf_size)
1914                         dev->data->min_rx_buf_size = mbp_buf_size;
1915         }
1916
1917         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
1918                 rx_conf, ret);
1919         return eth_err(port_id, ret);
1920 }
1921
1922 int
1923 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1924                                uint16_t nb_rx_desc,
1925                                const struct rte_eth_hairpin_conf *conf)
1926 {
1927         int ret;
1928         struct rte_eth_dev *dev;
1929         struct rte_eth_hairpin_cap cap;
1930         void **rxq;
1931         int i;
1932         int count;
1933
1934         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1935
1936         dev = &rte_eth_devices[port_id];
1937         if (rx_queue_id >= dev->data->nb_rx_queues) {
1938                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1939                 return -EINVAL;
1940         }
1941         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1942         if (ret != 0)
1943                 return ret;
1944         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
1945                                 -ENOTSUP);
1946         /* if nb_rx_desc is zero use max number of desc from the driver. */
1947         if (nb_rx_desc == 0)
1948                 nb_rx_desc = cap.max_nb_desc;
1949         if (nb_rx_desc > cap.max_nb_desc) {
1950                 RTE_ETHDEV_LOG(ERR,
1951                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
1952                         nb_rx_desc, cap.max_nb_desc);
1953                 return -EINVAL;
1954         }
1955         if (conf->peer_count > cap.max_rx_2_tx) {
1956                 RTE_ETHDEV_LOG(ERR,
1957                         "Invalid value for number of peers for Rx queue(=%hu), should be: <= %hu",
1958                         conf->peer_count, cap.max_rx_2_tx);
1959                 return -EINVAL;
1960         }
1961         if (conf->peer_count == 0) {
1962                 RTE_ETHDEV_LOG(ERR,
1963                         "Invalid value for number of peers for Rx queue(=%hu), should be: > 0",
1964                         conf->peer_count);
1965                 return -EINVAL;
1966         }
1967         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
1968              cap.max_nb_queues != UINT16_MAX; i++) {
1969                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
1970                         count++;
1971         }
1972         if (count > cap.max_nb_queues) {
1973                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
1974                 cap.max_nb_queues);
1975                 return -EINVAL;
1976         }
1977         if (dev->data->dev_started)
1978                 return -EBUSY;
1979         rxq = dev->data->rx_queues;
1980         if (rxq[rx_queue_id] != NULL) {
1981                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1982                                         -ENOTSUP);
1983                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1984                 rxq[rx_queue_id] = NULL;
1985         }
1986         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
1987                                                       nb_rx_desc, conf);
1988         if (ret == 0)
1989                 dev->data->rx_queue_state[rx_queue_id] =
1990                         RTE_ETH_QUEUE_STATE_HAIRPIN;
1991         return eth_err(port_id, ret);
1992 }
1993
1994 int
1995 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1996                        uint16_t nb_tx_desc, unsigned int socket_id,
1997                        const struct rte_eth_txconf *tx_conf)
1998 {
1999         struct rte_eth_dev *dev;
2000         struct rte_eth_dev_info dev_info;
2001         struct rte_eth_txconf local_conf;
2002         void **txq;
2003         int ret;
2004
2005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2006
2007         dev = &rte_eth_devices[port_id];
2008         if (tx_queue_id >= dev->data->nb_tx_queues) {
2009                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2010                 return -EINVAL;
2011         }
2012
2013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2014
2015         ret = rte_eth_dev_info_get(port_id, &dev_info);
2016         if (ret != 0)
2017                 return ret;
2018
2019         /* Use default specified by driver, if nb_tx_desc is zero */
2020         if (nb_tx_desc == 0) {
2021                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2022                 /* If driver default is zero, fall back on EAL default */
2023                 if (nb_tx_desc == 0)
2024                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2025         }
2026         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2027             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2028             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2029                 RTE_ETHDEV_LOG(ERR,
2030                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2031                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2032                         dev_info.tx_desc_lim.nb_min,
2033                         dev_info.tx_desc_lim.nb_align);
2034                 return -EINVAL;
2035         }
2036
2037         if (dev->data->dev_started &&
2038                 !(dev_info.dev_capa &
2039                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2040                 return -EBUSY;
2041
2042         if (dev->data->dev_started &&
2043                 (dev->data->tx_queue_state[tx_queue_id] !=
2044                         RTE_ETH_QUEUE_STATE_STOPPED))
2045                 return -EBUSY;
2046
2047         txq = dev->data->tx_queues;
2048         if (txq[tx_queue_id]) {
2049                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2050                                         -ENOTSUP);
2051                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2052                 txq[tx_queue_id] = NULL;
2053         }
2054
2055         if (tx_conf == NULL)
2056                 tx_conf = &dev_info.default_txconf;
2057
2058         local_conf = *tx_conf;
2059
2060         /*
2061          * If an offloading has already been enabled in
2062          * rte_eth_dev_configure(), it has been enabled on all queues,
2063          * so there is no need to enable it in this queue again.
2064          * The local_conf.offloads input to underlying PMD only carries
2065          * those offloadings which are only enabled on this queue and
2066          * not enabled on all queues.
2067          */
2068         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2069
2070         /*
2071          * New added offloadings for this queue are those not enabled in
2072          * rte_eth_dev_configure() and they must be per-queue type.
2073          * A pure per-port offloading can't be enabled on a queue while
2074          * disabled on another queue. A pure per-port offloading can't
2075          * be enabled for any queue as new added one if it hasn't been
2076          * enabled in rte_eth_dev_configure().
2077          */
2078         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2079              local_conf.offloads) {
2080                 RTE_ETHDEV_LOG(ERR,
2081                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2082                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2083                         port_id, tx_queue_id, local_conf.offloads,
2084                         dev_info.tx_queue_offload_capa,
2085                         __func__);
2086                 return -EINVAL;
2087         }
2088
2089         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2090         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2091                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2092 }
2093
2094 int
2095 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2096                                uint16_t nb_tx_desc,
2097                                const struct rte_eth_hairpin_conf *conf)
2098 {
2099         struct rte_eth_dev *dev;
2100         struct rte_eth_hairpin_cap cap;
2101         void **txq;
2102         int i;
2103         int count;
2104         int ret;
2105
2106         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2107         dev = &rte_eth_devices[port_id];
2108         if (tx_queue_id >= dev->data->nb_tx_queues) {
2109                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2110                 return -EINVAL;
2111         }
2112         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2113         if (ret != 0)
2114                 return ret;
2115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2116                                 -ENOTSUP);
2117         /* if nb_rx_desc is zero use max number of desc from the driver. */
2118         if (nb_tx_desc == 0)
2119                 nb_tx_desc = cap.max_nb_desc;
2120         if (nb_tx_desc > cap.max_nb_desc) {
2121                 RTE_ETHDEV_LOG(ERR,
2122                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2123                         nb_tx_desc, cap.max_nb_desc);
2124                 return -EINVAL;
2125         }
2126         if (conf->peer_count > cap.max_tx_2_rx) {
2127                 RTE_ETHDEV_LOG(ERR,
2128                         "Invalid value for number of peers for Tx queue(=%hu), should be: <= %hu",
2129                         conf->peer_count, cap.max_tx_2_rx);
2130                 return -EINVAL;
2131         }
2132         if (conf->peer_count == 0) {
2133                 RTE_ETHDEV_LOG(ERR,
2134                         "Invalid value for number of peers for Tx queue(=%hu), should be: > 0",
2135                         conf->peer_count);
2136                 return -EINVAL;
2137         }
2138         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2139              cap.max_nb_queues != UINT16_MAX; i++) {
2140                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2141                         count++;
2142         }
2143         if (count > cap.max_nb_queues) {
2144                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2145                 cap.max_nb_queues);
2146                 return -EINVAL;
2147         }
2148         if (dev->data->dev_started)
2149                 return -EBUSY;
2150         txq = dev->data->tx_queues;
2151         if (txq[tx_queue_id] != NULL) {
2152                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2153                                         -ENOTSUP);
2154                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2155                 txq[tx_queue_id] = NULL;
2156         }
2157         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2158                 (dev, tx_queue_id, nb_tx_desc, conf);
2159         if (ret == 0)
2160                 dev->data->tx_queue_state[tx_queue_id] =
2161                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2162         return eth_err(port_id, ret);
2163 }
2164
2165 void
2166 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2167                 void *userdata __rte_unused)
2168 {
2169         unsigned i;
2170
2171         for (i = 0; i < unsent; i++)
2172                 rte_pktmbuf_free(pkts[i]);
2173 }
2174
2175 void
2176 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2177                 void *userdata)
2178 {
2179         uint64_t *count = userdata;
2180         unsigned i;
2181
2182         for (i = 0; i < unsent; i++)
2183                 rte_pktmbuf_free(pkts[i]);
2184
2185         *count += unsent;
2186 }
2187
2188 int
2189 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2190                 buffer_tx_error_fn cbfn, void *userdata)
2191 {
2192         buffer->error_callback = cbfn;
2193         buffer->error_userdata = userdata;
2194         return 0;
2195 }
2196
2197 int
2198 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2199 {
2200         int ret = 0;
2201
2202         if (buffer == NULL)
2203                 return -EINVAL;
2204
2205         buffer->size = size;
2206         if (buffer->error_callback == NULL) {
2207                 ret = rte_eth_tx_buffer_set_err_callback(
2208                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2209         }
2210
2211         return ret;
2212 }
2213
2214 int
2215 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2216 {
2217         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2218         int ret;
2219
2220         /* Validate Input Data. Bail if not valid or not supported. */
2221         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2222         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2223
2224         /* Call driver to free pending mbufs. */
2225         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2226                                                free_cnt);
2227         return eth_err(port_id, ret);
2228 }
2229
2230 int
2231 rte_eth_promiscuous_enable(uint16_t port_id)
2232 {
2233         struct rte_eth_dev *dev;
2234         int diag = 0;
2235
2236         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2237         dev = &rte_eth_devices[port_id];
2238
2239         if (dev->data->promiscuous == 1)
2240                 return 0;
2241
2242         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2243
2244         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2245         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2246
2247         return eth_err(port_id, diag);
2248 }
2249
2250 int
2251 rte_eth_promiscuous_disable(uint16_t port_id)
2252 {
2253         struct rte_eth_dev *dev;
2254         int diag = 0;
2255
2256         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2257         dev = &rte_eth_devices[port_id];
2258
2259         if (dev->data->promiscuous == 0)
2260                 return 0;
2261
2262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2263
2264         dev->data->promiscuous = 0;
2265         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2266         if (diag != 0)
2267                 dev->data->promiscuous = 1;
2268
2269         return eth_err(port_id, diag);
2270 }
2271
2272 int
2273 rte_eth_promiscuous_get(uint16_t port_id)
2274 {
2275         struct rte_eth_dev *dev;
2276
2277         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2278
2279         dev = &rte_eth_devices[port_id];
2280         return dev->data->promiscuous;
2281 }
2282
2283 int
2284 rte_eth_allmulticast_enable(uint16_t port_id)
2285 {
2286         struct rte_eth_dev *dev;
2287         int diag;
2288
2289         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2290         dev = &rte_eth_devices[port_id];
2291
2292         if (dev->data->all_multicast == 1)
2293                 return 0;
2294
2295         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2296         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2297         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2298
2299         return eth_err(port_id, diag);
2300 }
2301
2302 int
2303 rte_eth_allmulticast_disable(uint16_t port_id)
2304 {
2305         struct rte_eth_dev *dev;
2306         int diag;
2307
2308         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2309         dev = &rte_eth_devices[port_id];
2310
2311         if (dev->data->all_multicast == 0)
2312                 return 0;
2313
2314         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2315         dev->data->all_multicast = 0;
2316         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2317         if (diag != 0)
2318                 dev->data->all_multicast = 1;
2319
2320         return eth_err(port_id, diag);
2321 }
2322
2323 int
2324 rte_eth_allmulticast_get(uint16_t port_id)
2325 {
2326         struct rte_eth_dev *dev;
2327
2328         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2329
2330         dev = &rte_eth_devices[port_id];
2331         return dev->data->all_multicast;
2332 }
2333
2334 int
2335 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2336 {
2337         struct rte_eth_dev *dev;
2338
2339         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2340         dev = &rte_eth_devices[port_id];
2341
2342         if (dev->data->dev_conf.intr_conf.lsc &&
2343             dev->data->dev_started)
2344                 rte_eth_linkstatus_get(dev, eth_link);
2345         else {
2346                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2347                 (*dev->dev_ops->link_update)(dev, 1);
2348                 *eth_link = dev->data->dev_link;
2349         }
2350
2351         return 0;
2352 }
2353
2354 int
2355 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2356 {
2357         struct rte_eth_dev *dev;
2358
2359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2360         dev = &rte_eth_devices[port_id];
2361
2362         if (dev->data->dev_conf.intr_conf.lsc &&
2363             dev->data->dev_started)
2364                 rte_eth_linkstatus_get(dev, eth_link);
2365         else {
2366                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2367                 (*dev->dev_ops->link_update)(dev, 0);
2368                 *eth_link = dev->data->dev_link;
2369         }
2370
2371         return 0;
2372 }
2373
2374 const char *
2375 rte_eth_link_speed_to_str(uint32_t link_speed)
2376 {
2377         switch (link_speed) {
2378         case ETH_SPEED_NUM_NONE: return "None";
2379         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2380         case ETH_SPEED_NUM_100M: return "100 Mbps";
2381         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2382         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2383         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2384         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2385         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2386         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2387         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2388         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2389         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2390         case ETH_SPEED_NUM_100G: return "100 Gbps";
2391         case ETH_SPEED_NUM_200G: return "200 Gbps";
2392         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2393         default: return "Invalid";
2394         }
2395 }
2396
2397 int
2398 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2399 {
2400         if (eth_link->link_status == ETH_LINK_DOWN)
2401                 return snprintf(str, len, "Link down");
2402         else
2403                 return snprintf(str, len, "Link up at %s %s %s",
2404                         rte_eth_link_speed_to_str(eth_link->link_speed),
2405                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2406                         "FDX" : "HDX",
2407                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2408                         "Autoneg" : "Fixed");
2409 }
2410
2411 int
2412 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2413 {
2414         struct rte_eth_dev *dev;
2415
2416         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2417
2418         dev = &rte_eth_devices[port_id];
2419         memset(stats, 0, sizeof(*stats));
2420
2421         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2422         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2423         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2424 }
2425
2426 int
2427 rte_eth_stats_reset(uint16_t port_id)
2428 {
2429         struct rte_eth_dev *dev;
2430         int ret;
2431
2432         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2433         dev = &rte_eth_devices[port_id];
2434
2435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2436         ret = (*dev->dev_ops->stats_reset)(dev);
2437         if (ret != 0)
2438                 return eth_err(port_id, ret);
2439
2440         dev->data->rx_mbuf_alloc_failed = 0;
2441
2442         return 0;
2443 }
2444
2445 static inline int
2446 get_xstats_basic_count(struct rte_eth_dev *dev)
2447 {
2448         uint16_t nb_rxqs, nb_txqs;
2449         int count;
2450
2451         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2452         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2453
2454         count = RTE_NB_STATS;
2455         count += nb_rxqs * RTE_NB_RXQ_STATS;
2456         count += nb_txqs * RTE_NB_TXQ_STATS;
2457
2458         return count;
2459 }
2460
2461 static int
2462 get_xstats_count(uint16_t port_id)
2463 {
2464         struct rte_eth_dev *dev;
2465         int count;
2466
2467         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2468         dev = &rte_eth_devices[port_id];
2469         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2470                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2471                                 NULL, 0);
2472                 if (count < 0)
2473                         return eth_err(port_id, count);
2474         }
2475         if (dev->dev_ops->xstats_get_names != NULL) {
2476                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2477                 if (count < 0)
2478                         return eth_err(port_id, count);
2479         } else
2480                 count = 0;
2481
2482
2483         count += get_xstats_basic_count(dev);
2484
2485         return count;
2486 }
2487
2488 int
2489 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2490                 uint64_t *id)
2491 {
2492         int cnt_xstats, idx_xstat;
2493
2494         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2495
2496         if (!id) {
2497                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2498                 return -ENOMEM;
2499         }
2500
2501         if (!xstat_name) {
2502                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2503                 return -ENOMEM;
2504         }
2505
2506         /* Get count */
2507         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2508         if (cnt_xstats  < 0) {
2509                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2510                 return -ENODEV;
2511         }
2512
2513         /* Get id-name lookup table */
2514         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2515
2516         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2517                         port_id, xstats_names, cnt_xstats, NULL)) {
2518                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2519                 return -1;
2520         }
2521
2522         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2523                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2524                         *id = idx_xstat;
2525                         return 0;
2526                 };
2527         }
2528
2529         return -EINVAL;
2530 }
2531
2532 /* retrieve basic stats names */
2533 static int
2534 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2535         struct rte_eth_xstat_name *xstats_names)
2536 {
2537         int cnt_used_entries = 0;
2538         uint32_t idx, id_queue;
2539         uint16_t num_q;
2540
2541         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2542                 strlcpy(xstats_names[cnt_used_entries].name,
2543                         rte_stats_strings[idx].name,
2544                         sizeof(xstats_names[0].name));
2545                 cnt_used_entries++;
2546         }
2547         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2548         for (id_queue = 0; id_queue < num_q; id_queue++) {
2549                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2550                         snprintf(xstats_names[cnt_used_entries].name,
2551                                 sizeof(xstats_names[0].name),
2552                                 "rx_q%u%s",
2553                                 id_queue, rte_rxq_stats_strings[idx].name);
2554                         cnt_used_entries++;
2555                 }
2556
2557         }
2558         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2559         for (id_queue = 0; id_queue < num_q; id_queue++) {
2560                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2561                         snprintf(xstats_names[cnt_used_entries].name,
2562                                 sizeof(xstats_names[0].name),
2563                                 "tx_q%u%s",
2564                                 id_queue, rte_txq_stats_strings[idx].name);
2565                         cnt_used_entries++;
2566                 }
2567         }
2568         return cnt_used_entries;
2569 }
2570
2571 /* retrieve ethdev extended statistics names */
2572 int
2573 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2574         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2575         uint64_t *ids)
2576 {
2577         struct rte_eth_xstat_name *xstats_names_copy;
2578         unsigned int no_basic_stat_requested = 1;
2579         unsigned int no_ext_stat_requested = 1;
2580         unsigned int expected_entries;
2581         unsigned int basic_count;
2582         struct rte_eth_dev *dev;
2583         unsigned int i;
2584         int ret;
2585
2586         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2587         dev = &rte_eth_devices[port_id];
2588
2589         basic_count = get_xstats_basic_count(dev);
2590         ret = get_xstats_count(port_id);
2591         if (ret < 0)
2592                 return ret;
2593         expected_entries = (unsigned int)ret;
2594
2595         /* Return max number of stats if no ids given */
2596         if (!ids) {
2597                 if (!xstats_names)
2598                         return expected_entries;
2599                 else if (xstats_names && size < expected_entries)
2600                         return expected_entries;
2601         }
2602
2603         if (ids && !xstats_names)
2604                 return -EINVAL;
2605
2606         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2607                 uint64_t ids_copy[size];
2608
2609                 for (i = 0; i < size; i++) {
2610                         if (ids[i] < basic_count) {
2611                                 no_basic_stat_requested = 0;
2612                                 break;
2613                         }
2614
2615                         /*
2616                          * Convert ids to xstats ids that PMD knows.
2617                          * ids known by user are basic + extended stats.
2618                          */
2619                         ids_copy[i] = ids[i] - basic_count;
2620                 }
2621
2622                 if (no_basic_stat_requested)
2623                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2624                                         xstats_names, ids_copy, size);
2625         }
2626
2627         /* Retrieve all stats */
2628         if (!ids) {
2629                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2630                                 expected_entries);
2631                 if (num_stats < 0 || num_stats > (int)expected_entries)
2632                         return num_stats;
2633                 else
2634                         return expected_entries;
2635         }
2636
2637         xstats_names_copy = calloc(expected_entries,
2638                 sizeof(struct rte_eth_xstat_name));
2639
2640         if (!xstats_names_copy) {
2641                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2642                 return -ENOMEM;
2643         }
2644
2645         if (ids) {
2646                 for (i = 0; i < size; i++) {
2647                         if (ids[i] >= basic_count) {
2648                                 no_ext_stat_requested = 0;
2649                                 break;
2650                         }
2651                 }
2652         }
2653
2654         /* Fill xstats_names_copy structure */
2655         if (ids && no_ext_stat_requested) {
2656                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2657         } else {
2658                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2659                         expected_entries);
2660                 if (ret < 0) {
2661                         free(xstats_names_copy);
2662                         return ret;
2663                 }
2664         }
2665
2666         /* Filter stats */
2667         for (i = 0; i < size; i++) {
2668                 if (ids[i] >= expected_entries) {
2669                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2670                         free(xstats_names_copy);
2671                         return -1;
2672                 }
2673                 xstats_names[i] = xstats_names_copy[ids[i]];
2674         }
2675
2676         free(xstats_names_copy);
2677         return size;
2678 }
2679
2680 int
2681 rte_eth_xstats_get_names(uint16_t port_id,
2682         struct rte_eth_xstat_name *xstats_names,
2683         unsigned int size)
2684 {
2685         struct rte_eth_dev *dev;
2686         int cnt_used_entries;
2687         int cnt_expected_entries;
2688         int cnt_driver_entries;
2689
2690         cnt_expected_entries = get_xstats_count(port_id);
2691         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2692                         (int)size < cnt_expected_entries)
2693                 return cnt_expected_entries;
2694
2695         /* port_id checked in get_xstats_count() */
2696         dev = &rte_eth_devices[port_id];
2697
2698         cnt_used_entries = rte_eth_basic_stats_get_names(
2699                 dev, xstats_names);
2700
2701         if (dev->dev_ops->xstats_get_names != NULL) {
2702                 /* If there are any driver-specific xstats, append them
2703                  * to end of list.
2704                  */
2705                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2706                         dev,
2707                         xstats_names + cnt_used_entries,
2708                         size - cnt_used_entries);
2709                 if (cnt_driver_entries < 0)
2710                         return eth_err(port_id, cnt_driver_entries);
2711                 cnt_used_entries += cnt_driver_entries;
2712         }
2713
2714         return cnt_used_entries;
2715 }
2716
2717
2718 static int
2719 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2720 {
2721         struct rte_eth_dev *dev;
2722         struct rte_eth_stats eth_stats;
2723         unsigned int count = 0, i, q;
2724         uint64_t val, *stats_ptr;
2725         uint16_t nb_rxqs, nb_txqs;
2726         int ret;
2727
2728         ret = rte_eth_stats_get(port_id, &eth_stats);
2729         if (ret < 0)
2730                 return ret;
2731
2732         dev = &rte_eth_devices[port_id];
2733
2734         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2735         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2736
2737         /* global stats */
2738         for (i = 0; i < RTE_NB_STATS; i++) {
2739                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2740                                         rte_stats_strings[i].offset);
2741                 val = *stats_ptr;
2742                 xstats[count++].value = val;
2743         }
2744
2745         /* per-rxq stats */
2746         for (q = 0; q < nb_rxqs; q++) {
2747                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2748                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2749                                         rte_rxq_stats_strings[i].offset +
2750                                         q * sizeof(uint64_t));
2751                         val = *stats_ptr;
2752                         xstats[count++].value = val;
2753                 }
2754         }
2755
2756         /* per-txq stats */
2757         for (q = 0; q < nb_txqs; q++) {
2758                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2759                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2760                                         rte_txq_stats_strings[i].offset +
2761                                         q * sizeof(uint64_t));
2762                         val = *stats_ptr;
2763                         xstats[count++].value = val;
2764                 }
2765         }
2766         return count;
2767 }
2768
2769 /* retrieve ethdev extended statistics */
2770 int
2771 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2772                          uint64_t *values, unsigned int size)
2773 {
2774         unsigned int no_basic_stat_requested = 1;
2775         unsigned int no_ext_stat_requested = 1;
2776         unsigned int num_xstats_filled;
2777         unsigned int basic_count;
2778         uint16_t expected_entries;
2779         struct rte_eth_dev *dev;
2780         unsigned int i;
2781         int ret;
2782
2783         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2784         ret = get_xstats_count(port_id);
2785         if (ret < 0)
2786                 return ret;
2787         expected_entries = (uint16_t)ret;
2788         struct rte_eth_xstat xstats[expected_entries];
2789         dev = &rte_eth_devices[port_id];
2790         basic_count = get_xstats_basic_count(dev);
2791
2792         /* Return max number of stats if no ids given */
2793         if (!ids) {
2794                 if (!values)
2795                         return expected_entries;
2796                 else if (values && size < expected_entries)
2797                         return expected_entries;
2798         }
2799
2800         if (ids && !values)
2801                 return -EINVAL;
2802
2803         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2804                 unsigned int basic_count = get_xstats_basic_count(dev);
2805                 uint64_t ids_copy[size];
2806
2807                 for (i = 0; i < size; i++) {
2808                         if (ids[i] < basic_count) {
2809                                 no_basic_stat_requested = 0;
2810                                 break;
2811                         }
2812
2813                         /*
2814                          * Convert ids to xstats ids that PMD knows.
2815                          * ids known by user are basic + extended stats.
2816                          */
2817                         ids_copy[i] = ids[i] - basic_count;
2818                 }
2819
2820                 if (no_basic_stat_requested)
2821                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2822                                         values, size);
2823         }
2824
2825         if (ids) {
2826                 for (i = 0; i < size; i++) {
2827                         if (ids[i] >= basic_count) {
2828                                 no_ext_stat_requested = 0;
2829                                 break;
2830                         }
2831                 }
2832         }
2833
2834         /* Fill the xstats structure */
2835         if (ids && no_ext_stat_requested)
2836                 ret = rte_eth_basic_stats_get(port_id, xstats);
2837         else
2838                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2839
2840         if (ret < 0)
2841                 return ret;
2842         num_xstats_filled = (unsigned int)ret;
2843
2844         /* Return all stats */
2845         if (!ids) {
2846                 for (i = 0; i < num_xstats_filled; i++)
2847                         values[i] = xstats[i].value;
2848                 return expected_entries;
2849         }
2850
2851         /* Filter stats */
2852         for (i = 0; i < size; i++) {
2853                 if (ids[i] >= expected_entries) {
2854                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2855                         return -1;
2856                 }
2857                 values[i] = xstats[ids[i]].value;
2858         }
2859         return size;
2860 }
2861
2862 int
2863 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2864         unsigned int n)
2865 {
2866         struct rte_eth_dev *dev;
2867         unsigned int count = 0, i;
2868         signed int xcount = 0;
2869         uint16_t nb_rxqs, nb_txqs;
2870         int ret;
2871
2872         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2873
2874         dev = &rte_eth_devices[port_id];
2875
2876         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2877         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2878
2879         /* Return generic statistics */
2880         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2881                 (nb_txqs * RTE_NB_TXQ_STATS);
2882
2883         /* implemented by the driver */
2884         if (dev->dev_ops->xstats_get != NULL) {
2885                 /* Retrieve the xstats from the driver at the end of the
2886                  * xstats struct.
2887                  */
2888                 xcount = (*dev->dev_ops->xstats_get)(dev,
2889                                      xstats ? xstats + count : NULL,
2890                                      (n > count) ? n - count : 0);
2891
2892                 if (xcount < 0)
2893                         return eth_err(port_id, xcount);
2894         }
2895
2896         if (n < count + xcount || xstats == NULL)
2897                 return count + xcount;
2898
2899         /* now fill the xstats structure */
2900         ret = rte_eth_basic_stats_get(port_id, xstats);
2901         if (ret < 0)
2902                 return ret;
2903         count = ret;
2904
2905         for (i = 0; i < count; i++)
2906                 xstats[i].id = i;
2907         /* add an offset to driver-specific stats */
2908         for ( ; i < count + xcount; i++)
2909                 xstats[i].id += count;
2910
2911         return count + xcount;
2912 }
2913
2914 /* reset ethdev extended statistics */
2915 int
2916 rte_eth_xstats_reset(uint16_t port_id)
2917 {
2918         struct rte_eth_dev *dev;
2919
2920         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2921         dev = &rte_eth_devices[port_id];
2922
2923         /* implemented by the driver */
2924         if (dev->dev_ops->xstats_reset != NULL)
2925                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2926
2927         /* fallback to default */
2928         return rte_eth_stats_reset(port_id);
2929 }
2930
2931 static int
2932 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2933                 uint8_t is_rx)
2934 {
2935         struct rte_eth_dev *dev;
2936
2937         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2938
2939         dev = &rte_eth_devices[port_id];
2940
2941         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2942
2943         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2944                 return -EINVAL;
2945
2946         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2947                 return -EINVAL;
2948
2949         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2950                 return -EINVAL;
2951
2952         return (*dev->dev_ops->queue_stats_mapping_set)
2953                         (dev, queue_id, stat_idx, is_rx);
2954 }
2955
2956
2957 int
2958 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2959                 uint8_t stat_idx)
2960 {
2961         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2962                                                 stat_idx, STAT_QMAP_TX));
2963 }
2964
2965
2966 int
2967 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2968                 uint8_t stat_idx)
2969 {
2970         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2971                                                 stat_idx, STAT_QMAP_RX));
2972 }
2973
2974 int
2975 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2976 {
2977         struct rte_eth_dev *dev;
2978
2979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2980         dev = &rte_eth_devices[port_id];
2981
2982         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2983         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2984                                                         fw_version, fw_size));
2985 }
2986
2987 int
2988 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2989 {
2990         struct rte_eth_dev *dev;
2991         const struct rte_eth_desc_lim lim = {
2992                 .nb_max = UINT16_MAX,
2993                 .nb_min = 0,
2994                 .nb_align = 1,
2995                 .nb_seg_max = UINT16_MAX,
2996                 .nb_mtu_seg_max = UINT16_MAX,
2997         };
2998         int diag;
2999
3000         /*
3001          * Init dev_info before port_id check since caller does not have
3002          * return status and does not know if get is successful or not.
3003          */
3004         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3005         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3006
3007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3008         dev = &rte_eth_devices[port_id];
3009
3010         dev_info->rx_desc_lim = lim;
3011         dev_info->tx_desc_lim = lim;
3012         dev_info->device = dev->device;
3013         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3014         dev_info->max_mtu = UINT16_MAX;
3015
3016         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3017         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3018         if (diag != 0) {
3019                 /* Cleanup already filled in device information */
3020                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3021                 return eth_err(port_id, diag);
3022         }
3023
3024         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3025         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3026                         RTE_MAX_QUEUES_PER_PORT);
3027         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3028                         RTE_MAX_QUEUES_PER_PORT);
3029
3030         dev_info->driver_name = dev->device->driver->name;
3031         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3032         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3033
3034         dev_info->dev_flags = &dev->data->dev_flags;
3035
3036         return 0;
3037 }
3038
3039 int
3040 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3041                                  uint32_t *ptypes, int num)
3042 {
3043         int i, j;
3044         struct rte_eth_dev *dev;
3045         const uint32_t *all_ptypes;
3046
3047         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3048         dev = &rte_eth_devices[port_id];
3049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3050         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3051
3052         if (!all_ptypes)
3053                 return 0;
3054
3055         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3056                 if (all_ptypes[i] & ptype_mask) {
3057                         if (j < num)
3058                                 ptypes[j] = all_ptypes[i];
3059                         j++;
3060                 }
3061
3062         return j;
3063 }
3064
3065 int
3066 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3067                                  uint32_t *set_ptypes, unsigned int num)
3068 {
3069         const uint32_t valid_ptype_masks[] = {
3070                 RTE_PTYPE_L2_MASK,
3071                 RTE_PTYPE_L3_MASK,
3072                 RTE_PTYPE_L4_MASK,
3073                 RTE_PTYPE_TUNNEL_MASK,
3074                 RTE_PTYPE_INNER_L2_MASK,
3075                 RTE_PTYPE_INNER_L3_MASK,
3076                 RTE_PTYPE_INNER_L4_MASK,
3077         };
3078         const uint32_t *all_ptypes;
3079         struct rte_eth_dev *dev;
3080         uint32_t unused_mask;
3081         unsigned int i, j;
3082         int ret;
3083
3084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3085         dev = &rte_eth_devices[port_id];
3086
3087         if (num > 0 && set_ptypes == NULL)
3088                 return -EINVAL;
3089
3090         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3091                         *dev->dev_ops->dev_ptypes_set == NULL) {
3092                 ret = 0;
3093                 goto ptype_unknown;
3094         }
3095
3096         if (ptype_mask == 0) {
3097                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3098                                 ptype_mask);
3099                 goto ptype_unknown;
3100         }
3101
3102         unused_mask = ptype_mask;
3103         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3104                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3105                 if (mask && mask != valid_ptype_masks[i]) {
3106                         ret = -EINVAL;
3107                         goto ptype_unknown;
3108                 }
3109                 unused_mask &= ~valid_ptype_masks[i];
3110         }
3111
3112         if (unused_mask) {
3113                 ret = -EINVAL;
3114                 goto ptype_unknown;
3115         }
3116
3117         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3118         if (all_ptypes == NULL) {
3119                 ret = 0;
3120                 goto ptype_unknown;
3121         }
3122
3123         /*
3124          * Accommodate as many set_ptypes as possible. If the supplied
3125          * set_ptypes array is insufficient fill it partially.
3126          */
3127         for (i = 0, j = 0; set_ptypes != NULL &&
3128                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3129                 if (ptype_mask & all_ptypes[i]) {
3130                         if (j < num - 1) {
3131                                 set_ptypes[j] = all_ptypes[i];
3132                                 j++;
3133                                 continue;
3134                         }
3135                         break;
3136                 }
3137         }
3138
3139         if (set_ptypes != NULL && j < num)
3140                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3141
3142         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3143
3144 ptype_unknown:
3145         if (num > 0)
3146                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3147
3148         return ret;
3149 }
3150
3151 int
3152 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3153 {
3154         struct rte_eth_dev *dev;
3155
3156         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3157         dev = &rte_eth_devices[port_id];
3158         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3159
3160         return 0;
3161 }
3162
3163 int
3164 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3165 {
3166         struct rte_eth_dev *dev;
3167
3168         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3169
3170         dev = &rte_eth_devices[port_id];
3171         *mtu = dev->data->mtu;
3172         return 0;
3173 }
3174
3175 int
3176 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3177 {
3178         int ret;
3179         struct rte_eth_dev_info dev_info;
3180         struct rte_eth_dev *dev;
3181
3182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3183         dev = &rte_eth_devices[port_id];
3184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3185
3186         /*
3187          * Check if the device supports dev_infos_get, if it does not
3188          * skip min_mtu/max_mtu validation here as this requires values
3189          * that are populated within the call to rte_eth_dev_info_get()
3190          * which relies on dev->dev_ops->dev_infos_get.
3191          */
3192         if (*dev->dev_ops->dev_infos_get != NULL) {
3193                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3194                 if (ret != 0)
3195                         return ret;
3196
3197                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3198                         return -EINVAL;
3199         }
3200
3201         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3202         if (!ret)
3203                 dev->data->mtu = mtu;
3204
3205         return eth_err(port_id, ret);
3206 }
3207
3208 int
3209 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3210 {
3211         struct rte_eth_dev *dev;
3212         int ret;
3213
3214         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3215         dev = &rte_eth_devices[port_id];
3216         if (!(dev->data->dev_conf.rxmode.offloads &
3217               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3218                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3219                         port_id);
3220                 return -ENOSYS;
3221         }
3222
3223         if (vlan_id > 4095) {
3224                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3225                         port_id, vlan_id);
3226                 return -EINVAL;
3227         }
3228         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3229
3230         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3231         if (ret == 0) {
3232                 struct rte_vlan_filter_conf *vfc;
3233                 int vidx;
3234                 int vbit;
3235
3236                 vfc = &dev->data->vlan_filter_conf;
3237                 vidx = vlan_id / 64;
3238                 vbit = vlan_id % 64;
3239
3240                 if (on)
3241                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3242                 else
3243                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3244         }
3245
3246         return eth_err(port_id, ret);
3247 }
3248
3249 int
3250 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3251                                     int on)
3252 {
3253         struct rte_eth_dev *dev;
3254
3255         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3256         dev = &rte_eth_devices[port_id];
3257         if (rx_queue_id >= dev->data->nb_rx_queues) {
3258                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3259                 return -EINVAL;
3260         }
3261
3262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3263         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3264
3265         return 0;
3266 }
3267
3268 int
3269 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3270                                 enum rte_vlan_type vlan_type,
3271                                 uint16_t tpid)
3272 {
3273         struct rte_eth_dev *dev;
3274
3275         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3276         dev = &rte_eth_devices[port_id];
3277         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3278
3279         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3280                                                                tpid));
3281 }
3282
3283 int
3284 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3285 {
3286         struct rte_eth_dev_info dev_info;
3287         struct rte_eth_dev *dev;
3288         int ret = 0;
3289         int mask = 0;
3290         int cur, org = 0;
3291         uint64_t orig_offloads;
3292         uint64_t dev_offloads;
3293         uint64_t new_offloads;
3294
3295         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3296         dev = &rte_eth_devices[port_id];
3297
3298         /* save original values in case of failure */
3299         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3300         dev_offloads = orig_offloads;
3301
3302         /* check which option changed by application */
3303         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3304         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3305         if (cur != org) {
3306                 if (cur)
3307                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3308                 else
3309                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3310                 mask |= ETH_VLAN_STRIP_MASK;
3311         }
3312
3313         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3314         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3315         if (cur != org) {
3316                 if (cur)
3317                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3318                 else
3319                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3320                 mask |= ETH_VLAN_FILTER_MASK;
3321         }
3322
3323         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3324         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3325         if (cur != org) {
3326                 if (cur)
3327                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3328                 else
3329                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3330                 mask |= ETH_VLAN_EXTEND_MASK;
3331         }
3332
3333         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3334         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3335         if (cur != org) {
3336                 if (cur)
3337                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3338                 else
3339                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3340                 mask |= ETH_QINQ_STRIP_MASK;
3341         }
3342
3343         /*no change*/
3344         if (mask == 0)
3345                 return ret;
3346
3347         ret = rte_eth_dev_info_get(port_id, &dev_info);
3348         if (ret != 0)
3349                 return ret;
3350
3351         /* Rx VLAN offloading must be within its device capabilities */
3352         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3353                 new_offloads = dev_offloads & ~orig_offloads;
3354                 RTE_ETHDEV_LOG(ERR,
3355                         "Ethdev port_id=%u requested new added VLAN offloads "
3356                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3357                         "0x%" PRIx64 " in %s()\n",
3358                         port_id, new_offloads, dev_info.rx_offload_capa,
3359                         __func__);
3360                 return -EINVAL;
3361         }
3362
3363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3364         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3365         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3366         if (ret) {
3367                 /* hit an error restore  original values */
3368                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3369         }
3370
3371         return eth_err(port_id, ret);
3372 }
3373
3374 int
3375 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3376 {
3377         struct rte_eth_dev *dev;
3378         uint64_t *dev_offloads;
3379         int ret = 0;
3380
3381         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3382         dev = &rte_eth_devices[port_id];
3383         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3384
3385         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3386                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3387
3388         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3389                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3390
3391         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3392                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3393
3394         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3395                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3396
3397         return ret;
3398 }
3399
3400 int
3401 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3402 {
3403         struct rte_eth_dev *dev;
3404
3405         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3406         dev = &rte_eth_devices[port_id];
3407         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3408
3409         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3410 }
3411
3412 int
3413 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3414 {
3415         struct rte_eth_dev *dev;
3416
3417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3418         dev = &rte_eth_devices[port_id];
3419         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3420         memset(fc_conf, 0, sizeof(*fc_conf));
3421         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3422 }
3423
3424 int
3425 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3426 {
3427         struct rte_eth_dev *dev;
3428
3429         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3430         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3431                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3432                 return -EINVAL;
3433         }
3434
3435         dev = &rte_eth_devices[port_id];
3436         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3437         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3438 }
3439
3440 int
3441 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3442                                    struct rte_eth_pfc_conf *pfc_conf)
3443 {
3444         struct rte_eth_dev *dev;
3445
3446         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3447         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3448                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3449                 return -EINVAL;
3450         }
3451
3452         dev = &rte_eth_devices[port_id];
3453         /* High water, low water validation are device specific */
3454         if  (*dev->dev_ops->priority_flow_ctrl_set)
3455                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3456                                         (dev, pfc_conf));
3457         return -ENOTSUP;
3458 }
3459
3460 static int
3461 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3462                         uint16_t reta_size)
3463 {
3464         uint16_t i, num;
3465
3466         if (!reta_conf)
3467                 return -EINVAL;
3468
3469         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3470         for (i = 0; i < num; i++) {
3471                 if (reta_conf[i].mask)
3472                         return 0;
3473         }
3474
3475         return -EINVAL;
3476 }
3477
3478 static int
3479 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3480                          uint16_t reta_size,
3481                          uint16_t max_rxq)
3482 {
3483         uint16_t i, idx, shift;
3484
3485         if (!reta_conf)
3486                 return -EINVAL;
3487
3488         if (max_rxq == 0) {
3489                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3490                 return -EINVAL;
3491         }
3492
3493         for (i = 0; i < reta_size; i++) {
3494                 idx = i / RTE_RETA_GROUP_SIZE;
3495                 shift = i % RTE_RETA_GROUP_SIZE;
3496                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3497                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3498                         RTE_ETHDEV_LOG(ERR,
3499                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3500                                 idx, shift,
3501                                 reta_conf[idx].reta[shift], max_rxq);
3502                         return -EINVAL;
3503                 }
3504         }
3505
3506         return 0;
3507 }
3508
3509 int
3510 rte_eth_dev_rss_reta_update(uint16_t port_id,
3511                             struct rte_eth_rss_reta_entry64 *reta_conf,
3512                             uint16_t reta_size)
3513 {
3514         struct rte_eth_dev *dev;
3515         int ret;
3516
3517         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3518         /* Check mask bits */
3519         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3520         if (ret < 0)
3521                 return ret;
3522
3523         dev = &rte_eth_devices[port_id];
3524
3525         /* Check entry value */
3526         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3527                                 dev->data->nb_rx_queues);
3528         if (ret < 0)
3529                 return ret;
3530
3531         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3532         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3533                                                              reta_size));
3534 }
3535
3536 int
3537 rte_eth_dev_rss_reta_query(uint16_t port_id,
3538                            struct rte_eth_rss_reta_entry64 *reta_conf,
3539                            uint16_t reta_size)
3540 {
3541         struct rte_eth_dev *dev;
3542         int ret;
3543
3544         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3545
3546         /* Check mask bits */
3547         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3548         if (ret < 0)
3549                 return ret;
3550
3551         dev = &rte_eth_devices[port_id];
3552         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3553         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3554                                                             reta_size));
3555 }
3556
3557 int
3558 rte_eth_dev_rss_hash_update(uint16_t port_id,
3559                             struct rte_eth_rss_conf *rss_conf)
3560 {
3561         struct rte_eth_dev *dev;
3562         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3563         int ret;
3564
3565         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3566
3567         ret = rte_eth_dev_info_get(port_id, &dev_info);
3568         if (ret != 0)
3569                 return ret;
3570
3571         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3572
3573         dev = &rte_eth_devices[port_id];
3574         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3575             dev_info.flow_type_rss_offloads) {
3576                 RTE_ETHDEV_LOG(ERR,
3577                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3578                         port_id, rss_conf->rss_hf,
3579                         dev_info.flow_type_rss_offloads);
3580                 return -EINVAL;
3581         }
3582         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3583         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3584                                                                  rss_conf));
3585 }
3586
3587 int
3588 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3589                               struct rte_eth_rss_conf *rss_conf)
3590 {
3591         struct rte_eth_dev *dev;
3592
3593         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3594         dev = &rte_eth_devices[port_id];
3595         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3596         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3597                                                                    rss_conf));
3598 }
3599
3600 int
3601 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3602                                 struct rte_eth_udp_tunnel *udp_tunnel)
3603 {
3604         struct rte_eth_dev *dev;
3605
3606         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3607         if (udp_tunnel == NULL) {
3608                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3609                 return -EINVAL;
3610         }
3611
3612         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3613                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3614                 return -EINVAL;
3615         }
3616
3617         dev = &rte_eth_devices[port_id];
3618         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3619         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3620                                                                 udp_tunnel));
3621 }
3622
3623 int
3624 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3625                                    struct rte_eth_udp_tunnel *udp_tunnel)
3626 {
3627         struct rte_eth_dev *dev;
3628
3629         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3630         dev = &rte_eth_devices[port_id];
3631
3632         if (udp_tunnel == NULL) {
3633                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3634                 return -EINVAL;
3635         }
3636
3637         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3638                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3639                 return -EINVAL;
3640         }
3641
3642         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3643         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3644                                                                 udp_tunnel));
3645 }
3646
3647 int
3648 rte_eth_led_on(uint16_t port_id)
3649 {
3650         struct rte_eth_dev *dev;
3651
3652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3653         dev = &rte_eth_devices[port_id];
3654         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3655         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3656 }
3657
3658 int
3659 rte_eth_led_off(uint16_t port_id)
3660 {
3661         struct rte_eth_dev *dev;
3662
3663         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3664         dev = &rte_eth_devices[port_id];
3665         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3666         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3667 }
3668
3669 /*
3670  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3671  * an empty spot.
3672  */
3673 static int
3674 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3675 {
3676         struct rte_eth_dev_info dev_info;
3677         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3678         unsigned i;
3679         int ret;
3680
3681         ret = rte_eth_dev_info_get(port_id, &dev_info);
3682         if (ret != 0)
3683                 return -1;
3684
3685         for (i = 0; i < dev_info.max_mac_addrs; i++)
3686                 if (memcmp(addr, &dev->data->mac_addrs[i],
3687                                 RTE_ETHER_ADDR_LEN) == 0)
3688                         return i;
3689
3690         return -1;
3691 }
3692
3693 static const struct rte_ether_addr null_mac_addr;
3694
3695 int
3696 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3697                         uint32_t pool)
3698 {
3699         struct rte_eth_dev *dev;
3700         int index;
3701         uint64_t pool_mask;
3702         int ret;
3703
3704         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3705         dev = &rte_eth_devices[port_id];
3706         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3707
3708         if (rte_is_zero_ether_addr(addr)) {
3709                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3710                         port_id);
3711                 return -EINVAL;
3712         }
3713         if (pool >= ETH_64_POOLS) {
3714                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3715                 return -EINVAL;
3716         }
3717
3718         index = get_mac_addr_index(port_id, addr);
3719         if (index < 0) {
3720                 index = get_mac_addr_index(port_id, &null_mac_addr);
3721                 if (index < 0) {
3722                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3723                                 port_id);
3724                         return -ENOSPC;
3725                 }
3726         } else {
3727                 pool_mask = dev->data->mac_pool_sel[index];
3728
3729                 /* Check if both MAC address and pool is already there, and do nothing */
3730                 if (pool_mask & (1ULL << pool))
3731                         return 0;
3732         }
3733
3734         /* Update NIC */
3735         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3736
3737         if (ret == 0) {
3738                 /* Update address in NIC data structure */
3739                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3740
3741                 /* Update pool bitmap in NIC data structure */
3742                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3743         }
3744
3745         return eth_err(port_id, ret);
3746 }
3747
3748 int
3749 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3750 {
3751         struct rte_eth_dev *dev;
3752         int index;
3753
3754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3755         dev = &rte_eth_devices[port_id];
3756         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3757
3758         index = get_mac_addr_index(port_id, addr);
3759         if (index == 0) {
3760                 RTE_ETHDEV_LOG(ERR,
3761                         "Port %u: Cannot remove default MAC address\n",
3762                         port_id);
3763                 return -EADDRINUSE;
3764         } else if (index < 0)
3765                 return 0;  /* Do nothing if address wasn't found */
3766
3767         /* Update NIC */
3768         (*dev->dev_ops->mac_addr_remove)(dev, index);
3769
3770         /* Update address in NIC data structure */
3771         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3772
3773         /* reset pool bitmap */
3774         dev->data->mac_pool_sel[index] = 0;
3775
3776         return 0;
3777 }
3778
3779 int
3780 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3781 {
3782         struct rte_eth_dev *dev;
3783         int ret;
3784
3785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3786
3787         if (!rte_is_valid_assigned_ether_addr(addr))
3788                 return -EINVAL;
3789
3790         dev = &rte_eth_devices[port_id];
3791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3792
3793         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3794         if (ret < 0)
3795                 return ret;
3796
3797         /* Update default address in NIC data structure */
3798         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3799
3800         return 0;
3801 }
3802
3803
3804 /*
3805  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3806  * an empty spot.
3807  */
3808 static int
3809 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3810 {
3811         struct rte_eth_dev_info dev_info;
3812         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3813         unsigned i;
3814         int ret;
3815
3816         ret = rte_eth_dev_info_get(port_id, &dev_info);
3817         if (ret != 0)
3818                 return -1;
3819
3820         if (!dev->data->hash_mac_addrs)
3821                 return -1;
3822
3823         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3824                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3825                         RTE_ETHER_ADDR_LEN) == 0)
3826                         return i;
3827
3828         return -1;
3829 }
3830
3831 int
3832 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3833                                 uint8_t on)
3834 {
3835         int index;
3836         int ret;
3837         struct rte_eth_dev *dev;
3838
3839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3840
3841         dev = &rte_eth_devices[port_id];
3842         if (rte_is_zero_ether_addr(addr)) {
3843                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3844                         port_id);
3845                 return -EINVAL;
3846         }
3847
3848         index = get_hash_mac_addr_index(port_id, addr);
3849         /* Check if it's already there, and do nothing */
3850         if ((index >= 0) && on)
3851                 return 0;
3852
3853         if (index < 0) {
3854                 if (!on) {
3855                         RTE_ETHDEV_LOG(ERR,
3856                                 "Port %u: the MAC address was not set in UTA\n",
3857                                 port_id);
3858                         return -EINVAL;
3859                 }
3860
3861                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3862                 if (index < 0) {
3863                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3864                                 port_id);
3865                         return -ENOSPC;
3866                 }
3867         }
3868
3869         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3870         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3871         if (ret == 0) {
3872                 /* Update address in NIC data structure */
3873                 if (on)
3874                         rte_ether_addr_copy(addr,
3875                                         &dev->data->hash_mac_addrs[index]);
3876                 else
3877                         rte_ether_addr_copy(&null_mac_addr,
3878                                         &dev->data->hash_mac_addrs[index]);
3879         }
3880
3881         return eth_err(port_id, ret);
3882 }
3883
3884 int
3885 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3886 {
3887         struct rte_eth_dev *dev;
3888
3889         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3890
3891         dev = &rte_eth_devices[port_id];
3892
3893         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3894         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3895                                                                        on));
3896 }
3897
3898 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3899                                         uint16_t tx_rate)
3900 {
3901         struct rte_eth_dev *dev;
3902         struct rte_eth_dev_info dev_info;
3903         struct rte_eth_link link;
3904         int ret;
3905
3906         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3907
3908         ret = rte_eth_dev_info_get(port_id, &dev_info);
3909         if (ret != 0)
3910                 return ret;
3911
3912         dev = &rte_eth_devices[port_id];
3913         link = dev->data->dev_link;
3914
3915         if (queue_idx > dev_info.max_tx_queues) {
3916                 RTE_ETHDEV_LOG(ERR,
3917                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3918                         port_id, queue_idx);
3919                 return -EINVAL;
3920         }
3921
3922         if (tx_rate > link.link_speed) {
3923                 RTE_ETHDEV_LOG(ERR,
3924                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3925                         tx_rate, link.link_speed);
3926                 return -EINVAL;
3927         }
3928
3929         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3930         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3931                                                         queue_idx, tx_rate));
3932 }
3933
3934 int
3935 rte_eth_mirror_rule_set(uint16_t port_id,
3936                         struct rte_eth_mirror_conf *mirror_conf,
3937                         uint8_t rule_id, uint8_t on)
3938 {
3939         struct rte_eth_dev *dev;
3940
3941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3942         if (mirror_conf->rule_type == 0) {
3943                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3944                 return -EINVAL;
3945         }
3946
3947         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3948                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3949                         ETH_64_POOLS - 1);
3950                 return -EINVAL;
3951         }
3952
3953         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3954              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3955             (mirror_conf->pool_mask == 0)) {
3956                 RTE_ETHDEV_LOG(ERR,
3957                         "Invalid mirror pool, pool mask can not be 0\n");
3958                 return -EINVAL;
3959         }
3960
3961         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3962             mirror_conf->vlan.vlan_mask == 0) {
3963                 RTE_ETHDEV_LOG(ERR,
3964                         "Invalid vlan mask, vlan mask can not be 0\n");
3965                 return -EINVAL;
3966         }
3967
3968         dev = &rte_eth_devices[port_id];
3969         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3970
3971         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3972                                                 mirror_conf, rule_id, on));
3973 }
3974
3975 int
3976 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
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->mirror_rule_reset, -ENOTSUP);
3984
3985         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3986                                                                    rule_id));
3987 }
3988
3989 RTE_INIT(eth_dev_init_cb_lists)
3990 {
3991         int i;
3992
3993         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3994                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3995 }
3996
3997 int
3998 rte_eth_dev_callback_register(uint16_t port_id,
3999                         enum rte_eth_event_type event,
4000                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4001 {
4002         struct rte_eth_dev *dev;
4003         struct rte_eth_dev_callback *user_cb;
4004         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
4005         uint16_t last_port;
4006
4007         if (!cb_fn)
4008                 return -EINVAL;
4009
4010         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4011                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4012                 return -EINVAL;
4013         }
4014
4015         if (port_id == RTE_ETH_ALL) {
4016                 next_port = 0;
4017                 last_port = RTE_MAX_ETHPORTS - 1;
4018         } else {
4019                 next_port = last_port = port_id;
4020         }
4021
4022         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4023
4024         do {
4025                 dev = &rte_eth_devices[next_port];
4026
4027                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4028                         if (user_cb->cb_fn == cb_fn &&
4029                                 user_cb->cb_arg == cb_arg &&
4030                                 user_cb->event == event) {
4031                                 break;
4032                         }
4033                 }
4034
4035                 /* create a new callback. */
4036                 if (user_cb == NULL) {
4037                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4038                                 sizeof(struct rte_eth_dev_callback), 0);
4039                         if (user_cb != NULL) {
4040                                 user_cb->cb_fn = cb_fn;
4041                                 user_cb->cb_arg = cb_arg;
4042                                 user_cb->event = event;
4043                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4044                                                   user_cb, next);
4045                         } else {
4046                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4047                                 rte_eth_dev_callback_unregister(port_id, event,
4048                                                                 cb_fn, cb_arg);
4049                                 return -ENOMEM;
4050                         }
4051
4052                 }
4053         } while (++next_port <= last_port);
4054
4055         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4056         return 0;
4057 }
4058
4059 int
4060 rte_eth_dev_callback_unregister(uint16_t port_id,
4061                         enum rte_eth_event_type event,
4062                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4063 {
4064         int ret;
4065         struct rte_eth_dev *dev;
4066         struct rte_eth_dev_callback *cb, *next;
4067         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
4068         uint16_t last_port;
4069
4070         if (!cb_fn)
4071                 return -EINVAL;
4072
4073         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4074                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4075                 return -EINVAL;
4076         }
4077
4078         if (port_id == RTE_ETH_ALL) {
4079                 next_port = 0;
4080                 last_port = RTE_MAX_ETHPORTS - 1;
4081         } else {
4082                 next_port = last_port = port_id;
4083         }
4084
4085         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4086
4087         do {
4088                 dev = &rte_eth_devices[next_port];
4089                 ret = 0;
4090                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4091                      cb = next) {
4092
4093                         next = TAILQ_NEXT(cb, next);
4094
4095                         if (cb->cb_fn != cb_fn || cb->event != event ||
4096                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4097                                 continue;
4098
4099                         /*
4100                          * if this callback is not executing right now,
4101                          * then remove it.
4102                          */
4103                         if (cb->active == 0) {
4104                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4105                                 rte_free(cb);
4106                         } else {
4107                                 ret = -EAGAIN;
4108                         }
4109                 }
4110         } while (++next_port <= last_port);
4111
4112         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4113         return ret;
4114 }
4115
4116 int
4117 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4118         enum rte_eth_event_type event, void *ret_param)
4119 {
4120         struct rte_eth_dev_callback *cb_lst;
4121         struct rte_eth_dev_callback dev_cb;
4122         int rc = 0;
4123
4124         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4125         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4126                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4127                         continue;
4128                 dev_cb = *cb_lst;
4129                 cb_lst->active = 1;
4130                 if (ret_param != NULL)
4131                         dev_cb.ret_param = ret_param;
4132
4133                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4134                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4135                                 dev_cb.cb_arg, dev_cb.ret_param);
4136                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
4137                 cb_lst->active = 0;
4138         }
4139         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4140         return rc;
4141 }
4142
4143 void
4144 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4145 {
4146         if (dev == NULL)
4147                 return;
4148
4149         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4150
4151         dev->state = RTE_ETH_DEV_ATTACHED;
4152 }
4153
4154 int
4155 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4156 {
4157         uint32_t vec;
4158         struct rte_eth_dev *dev;
4159         struct rte_intr_handle *intr_handle;
4160         uint16_t qid;
4161         int rc;
4162
4163         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4164
4165         dev = &rte_eth_devices[port_id];
4166
4167         if (!dev->intr_handle) {
4168                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4169                 return -ENOTSUP;
4170         }
4171
4172         intr_handle = dev->intr_handle;
4173         if (!intr_handle->intr_vec) {
4174                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4175                 return -EPERM;
4176         }
4177
4178         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4179                 vec = intr_handle->intr_vec[qid];
4180                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4181                 if (rc && rc != -EEXIST) {
4182                         RTE_ETHDEV_LOG(ERR,
4183                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4184                                 port_id, qid, op, epfd, vec);
4185                 }
4186         }
4187
4188         return 0;
4189 }
4190
4191 int
4192 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4193 {
4194         struct rte_intr_handle *intr_handle;
4195         struct rte_eth_dev *dev;
4196         unsigned int efd_idx;
4197         uint32_t vec;
4198         int fd;
4199
4200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4201
4202         dev = &rte_eth_devices[port_id];
4203
4204         if (queue_id >= dev->data->nb_rx_queues) {
4205                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4206                 return -1;
4207         }
4208
4209         if (!dev->intr_handle) {
4210                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4211                 return -1;
4212         }
4213
4214         intr_handle = dev->intr_handle;
4215         if (!intr_handle->intr_vec) {
4216                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4217                 return -1;
4218         }
4219
4220         vec = intr_handle->intr_vec[queue_id];
4221         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4222                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4223         fd = intr_handle->efds[efd_idx];
4224
4225         return fd;
4226 }
4227
4228 static inline int
4229 eth_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4230                 const char *ring_name)
4231 {
4232         return snprintf(name, len, "eth_p%d_q%d_%s",
4233                         port_id, queue_id, ring_name);
4234 }
4235
4236 const struct rte_memzone *
4237 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4238                          uint16_t queue_id, size_t size, unsigned align,
4239                          int socket_id)
4240 {
4241         char z_name[RTE_MEMZONE_NAMESIZE];
4242         const struct rte_memzone *mz;
4243         int rc;
4244
4245         rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4246                         queue_id, ring_name);
4247         if (rc >= RTE_MEMZONE_NAMESIZE) {
4248                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4249                 rte_errno = ENAMETOOLONG;
4250                 return NULL;
4251         }
4252
4253         mz = rte_memzone_lookup(z_name);
4254         if (mz) {
4255                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4256                                 size > mz->len ||
4257                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4258                         RTE_ETHDEV_LOG(ERR,
4259                                 "memzone %s does not justify the requested attributes\n",
4260                                 mz->name);
4261                         return NULL;
4262                 }
4263
4264                 return mz;
4265         }
4266
4267         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4268                         RTE_MEMZONE_IOVA_CONTIG, align);
4269 }
4270
4271 int
4272 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4273                 uint16_t queue_id)
4274 {
4275         char z_name[RTE_MEMZONE_NAMESIZE];
4276         const struct rte_memzone *mz;
4277         int rc = 0;
4278
4279         rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4280                         queue_id, ring_name);
4281         if (rc >= RTE_MEMZONE_NAMESIZE) {
4282                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4283                 return -ENAMETOOLONG;
4284         }
4285
4286         mz = rte_memzone_lookup(z_name);
4287         if (mz)
4288                 rc = rte_memzone_free(mz);
4289         else
4290                 rc = -ENOENT;
4291
4292         return rc;
4293 }
4294
4295 int
4296 rte_eth_dev_create(struct rte_device *device, const char *name,
4297         size_t priv_data_size,
4298         ethdev_bus_specific_init ethdev_bus_specific_init,
4299         void *bus_init_params,
4300         ethdev_init_t ethdev_init, void *init_params)
4301 {
4302         struct rte_eth_dev *ethdev;
4303         int retval;
4304
4305         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4306
4307         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4308                 ethdev = rte_eth_dev_allocate(name);
4309                 if (!ethdev)
4310                         return -ENODEV;
4311
4312                 if (priv_data_size) {
4313                         ethdev->data->dev_private = rte_zmalloc_socket(
4314                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4315                                 device->numa_node);
4316
4317                         if (!ethdev->data->dev_private) {
4318                                 RTE_ETHDEV_LOG(ERR,
4319                                         "failed to allocate private data\n");
4320                                 retval = -ENOMEM;
4321                                 goto probe_failed;
4322                         }
4323                 }
4324         } else {
4325                 ethdev = rte_eth_dev_attach_secondary(name);
4326                 if (!ethdev) {
4327                         RTE_ETHDEV_LOG(ERR,
4328                                 "secondary process attach failed, ethdev doesn't exist\n");
4329                         return  -ENODEV;
4330                 }
4331         }
4332
4333         ethdev->device = device;
4334
4335         if (ethdev_bus_specific_init) {
4336                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4337                 if (retval) {
4338                         RTE_ETHDEV_LOG(ERR,
4339                                 "ethdev bus specific initialisation failed\n");
4340                         goto probe_failed;
4341                 }
4342         }
4343
4344         retval = ethdev_init(ethdev, init_params);
4345         if (retval) {
4346                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4347                 goto probe_failed;
4348         }
4349
4350         rte_eth_dev_probing_finish(ethdev);
4351
4352         return retval;
4353
4354 probe_failed:
4355         rte_eth_dev_release_port(ethdev);
4356         return retval;
4357 }
4358
4359 int
4360 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4361         ethdev_uninit_t ethdev_uninit)
4362 {
4363         int ret;
4364
4365         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4366         if (!ethdev)
4367                 return -ENODEV;
4368
4369         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4370
4371         ret = ethdev_uninit(ethdev);
4372         if (ret)
4373                 return ret;
4374
4375         return rte_eth_dev_release_port(ethdev);
4376 }
4377
4378 int
4379 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4380                           int epfd, int op, void *data)
4381 {
4382         uint32_t vec;
4383         struct rte_eth_dev *dev;
4384         struct rte_intr_handle *intr_handle;
4385         int rc;
4386
4387         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4388
4389         dev = &rte_eth_devices[port_id];
4390         if (queue_id >= dev->data->nb_rx_queues) {
4391                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4392                 return -EINVAL;
4393         }
4394
4395         if (!dev->intr_handle) {
4396                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4397                 return -ENOTSUP;
4398         }
4399
4400         intr_handle = dev->intr_handle;
4401         if (!intr_handle->intr_vec) {
4402                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4403                 return -EPERM;
4404         }
4405
4406         vec = intr_handle->intr_vec[queue_id];
4407         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4408         if (rc && rc != -EEXIST) {
4409                 RTE_ETHDEV_LOG(ERR,
4410                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4411                         port_id, queue_id, op, epfd, vec);
4412                 return rc;
4413         }
4414
4415         return 0;
4416 }
4417
4418 int
4419 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4420                            uint16_t queue_id)
4421 {
4422         struct rte_eth_dev *dev;
4423
4424         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4425
4426         dev = &rte_eth_devices[port_id];
4427
4428         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4429         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
4430                                                                 queue_id));
4431 }
4432
4433 int
4434 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4435                             uint16_t queue_id)
4436 {
4437         struct rte_eth_dev *dev;
4438
4439         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4440
4441         dev = &rte_eth_devices[port_id];
4442
4443         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4444         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
4445                                                                 queue_id));
4446 }
4447
4448
4449 int
4450 rte_eth_dev_filter_supported(uint16_t port_id,
4451                              enum rte_filter_type filter_type)
4452 {
4453         struct rte_eth_dev *dev;
4454
4455         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4456
4457         dev = &rte_eth_devices[port_id];
4458         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4459         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4460                                 RTE_ETH_FILTER_NOP, NULL);
4461 }
4462
4463 int
4464 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
4465                         enum rte_filter_op filter_op, void *arg)
4466 {
4467         struct rte_eth_dev *dev;
4468
4469         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4470
4471         dev = &rte_eth_devices[port_id];
4472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4473         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4474                                                              filter_op, arg));
4475 }
4476
4477 const struct rte_eth_rxtx_callback *
4478 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4479                 rte_rx_callback_fn fn, void *user_param)
4480 {
4481 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4482         rte_errno = ENOTSUP;
4483         return NULL;
4484 #endif
4485         struct rte_eth_dev *dev;
4486
4487         /* check input parameters */
4488         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4489                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4490                 rte_errno = EINVAL;
4491                 return NULL;
4492         }
4493         dev = &rte_eth_devices[port_id];
4494         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4495                 rte_errno = EINVAL;
4496                 return NULL;
4497         }
4498         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4499
4500         if (cb == NULL) {
4501                 rte_errno = ENOMEM;
4502                 return NULL;
4503         }
4504
4505         cb->fn.rx = fn;
4506         cb->param = user_param;
4507
4508         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4509         /* Add the callbacks in fifo order. */
4510         struct rte_eth_rxtx_callback *tail =
4511                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4512
4513         if (!tail) {
4514                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4515
4516         } else {
4517                 while (tail->next)
4518                         tail = tail->next;
4519                 tail->next = cb;
4520         }
4521         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4522
4523         return cb;
4524 }
4525
4526 const struct rte_eth_rxtx_callback *
4527 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4528                 rte_rx_callback_fn fn, void *user_param)
4529 {
4530 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4531         rte_errno = ENOTSUP;
4532         return NULL;
4533 #endif
4534         /* check input parameters */
4535         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4536                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4537                 rte_errno = EINVAL;
4538                 return NULL;
4539         }
4540
4541         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4542
4543         if (cb == NULL) {
4544                 rte_errno = ENOMEM;
4545                 return NULL;
4546         }
4547
4548         cb->fn.rx = fn;
4549         cb->param = user_param;
4550
4551         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4552         /* Add the callbacks at first position */
4553         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4554         rte_smp_wmb();
4555         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4556         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4557
4558         return cb;
4559 }
4560
4561 const struct rte_eth_rxtx_callback *
4562 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4563                 rte_tx_callback_fn fn, void *user_param)
4564 {
4565 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4566         rte_errno = ENOTSUP;
4567         return NULL;
4568 #endif
4569         struct rte_eth_dev *dev;
4570
4571         /* check input parameters */
4572         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4573                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4574                 rte_errno = EINVAL;
4575                 return NULL;
4576         }
4577
4578         dev = &rte_eth_devices[port_id];
4579         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4580                 rte_errno = EINVAL;
4581                 return NULL;
4582         }
4583
4584         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4585
4586         if (cb == NULL) {
4587                 rte_errno = ENOMEM;
4588                 return NULL;
4589         }
4590
4591         cb->fn.tx = fn;
4592         cb->param = user_param;
4593
4594         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4595         /* Add the callbacks in fifo order. */
4596         struct rte_eth_rxtx_callback *tail =
4597                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4598
4599         if (!tail) {
4600                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4601
4602         } else {
4603                 while (tail->next)
4604                         tail = tail->next;
4605                 tail->next = cb;
4606         }
4607         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4608
4609         return cb;
4610 }
4611
4612 int
4613 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4614                 const struct rte_eth_rxtx_callback *user_cb)
4615 {
4616 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4617         return -ENOTSUP;
4618 #endif
4619         /* Check input parameters. */
4620         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4621         if (user_cb == NULL ||
4622                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4623                 return -EINVAL;
4624
4625         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4626         struct rte_eth_rxtx_callback *cb;
4627         struct rte_eth_rxtx_callback **prev_cb;
4628         int ret = -EINVAL;
4629
4630         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4631         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4632         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4633                 cb = *prev_cb;
4634                 if (cb == user_cb) {
4635                         /* Remove the user cb from the callback list. */
4636                         *prev_cb = cb->next;
4637                         ret = 0;
4638                         break;
4639                 }
4640         }
4641         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4642
4643         return ret;
4644 }
4645
4646 int
4647 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4648                 const struct rte_eth_rxtx_callback *user_cb)
4649 {
4650 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4651         return -ENOTSUP;
4652 #endif
4653         /* Check input parameters. */
4654         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4655         if (user_cb == NULL ||
4656                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4657                 return -EINVAL;
4658
4659         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4660         int ret = -EINVAL;
4661         struct rte_eth_rxtx_callback *cb;
4662         struct rte_eth_rxtx_callback **prev_cb;
4663
4664         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4665         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4666         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4667                 cb = *prev_cb;
4668                 if (cb == user_cb) {
4669                         /* Remove the user cb from the callback list. */
4670                         *prev_cb = cb->next;
4671                         ret = 0;
4672                         break;
4673                 }
4674         }
4675         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4676
4677         return ret;
4678 }
4679
4680 int
4681 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4682         struct rte_eth_rxq_info *qinfo)
4683 {
4684         struct rte_eth_dev *dev;
4685
4686         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4687
4688         if (qinfo == NULL)
4689                 return -EINVAL;
4690
4691         dev = &rte_eth_devices[port_id];
4692         if (queue_id >= dev->data->nb_rx_queues) {
4693                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4694                 return -EINVAL;
4695         }
4696
4697         if (dev->data->rx_queues[queue_id] == NULL) {
4698                 RTE_ETHDEV_LOG(ERR,
4699                                "Rx queue %"PRIu16" of device with port_id=%"
4700                                PRIu16" has not been setup\n",
4701                                queue_id, port_id);
4702                 return -EINVAL;
4703         }
4704
4705         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4706                 RTE_ETHDEV_LOG(INFO,
4707                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4708                         queue_id, port_id);
4709                 return -EINVAL;
4710         }
4711
4712         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4713
4714         memset(qinfo, 0, sizeof(*qinfo));
4715         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4716         return 0;
4717 }
4718
4719 int
4720 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4721         struct rte_eth_txq_info *qinfo)
4722 {
4723         struct rte_eth_dev *dev;
4724
4725         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4726
4727         if (qinfo == NULL)
4728                 return -EINVAL;
4729
4730         dev = &rte_eth_devices[port_id];
4731         if (queue_id >= dev->data->nb_tx_queues) {
4732                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4733                 return -EINVAL;
4734         }
4735
4736         if (dev->data->tx_queues[queue_id] == NULL) {
4737                 RTE_ETHDEV_LOG(ERR,
4738                                "Tx queue %"PRIu16" of device with port_id=%"
4739                                PRIu16" has not been setup\n",
4740                                queue_id, port_id);
4741                 return -EINVAL;
4742         }
4743
4744         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4745                 RTE_ETHDEV_LOG(INFO,
4746                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4747                         queue_id, port_id);
4748                 return -EINVAL;
4749         }
4750
4751         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4752
4753         memset(qinfo, 0, sizeof(*qinfo));
4754         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4755
4756         return 0;
4757 }
4758
4759 int
4760 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4761                           struct rte_eth_burst_mode *mode)
4762 {
4763         struct rte_eth_dev *dev;
4764
4765         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4766
4767         if (mode == NULL)
4768                 return -EINVAL;
4769
4770         dev = &rte_eth_devices[port_id];
4771
4772         if (queue_id >= dev->data->nb_rx_queues) {
4773                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4774                 return -EINVAL;
4775         }
4776
4777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
4778         memset(mode, 0, sizeof(*mode));
4779         return eth_err(port_id,
4780                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
4781 }
4782
4783 int
4784 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4785                           struct rte_eth_burst_mode *mode)
4786 {
4787         struct rte_eth_dev *dev;
4788
4789         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4790
4791         if (mode == NULL)
4792                 return -EINVAL;
4793
4794         dev = &rte_eth_devices[port_id];
4795
4796         if (queue_id >= dev->data->nb_tx_queues) {
4797                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4798                 return -EINVAL;
4799         }
4800
4801         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
4802         memset(mode, 0, sizeof(*mode));
4803         return eth_err(port_id,
4804                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
4805 }
4806
4807 int
4808 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4809                              struct rte_ether_addr *mc_addr_set,
4810                              uint32_t nb_mc_addr)
4811 {
4812         struct rte_eth_dev *dev;
4813
4814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4815
4816         dev = &rte_eth_devices[port_id];
4817         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4818         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4819                                                 mc_addr_set, nb_mc_addr));
4820 }
4821
4822 int
4823 rte_eth_timesync_enable(uint16_t port_id)
4824 {
4825         struct rte_eth_dev *dev;
4826
4827         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4828         dev = &rte_eth_devices[port_id];
4829
4830         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4831         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4832 }
4833
4834 int
4835 rte_eth_timesync_disable(uint16_t port_id)
4836 {
4837         struct rte_eth_dev *dev;
4838
4839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4840         dev = &rte_eth_devices[port_id];
4841
4842         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4843         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4844 }
4845
4846 int
4847 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4848                                    uint32_t flags)
4849 {
4850         struct rte_eth_dev *dev;
4851
4852         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4853         dev = &rte_eth_devices[port_id];
4854
4855         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4856         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4857                                 (dev, timestamp, flags));
4858 }
4859
4860 int
4861 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4862                                    struct timespec *timestamp)
4863 {
4864         struct rte_eth_dev *dev;
4865
4866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4867         dev = &rte_eth_devices[port_id];
4868
4869         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4870         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4871                                 (dev, timestamp));
4872 }
4873
4874 int
4875 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4876 {
4877         struct rte_eth_dev *dev;
4878
4879         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4880         dev = &rte_eth_devices[port_id];
4881
4882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4883         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4884                                                                       delta));
4885 }
4886
4887 int
4888 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4889 {
4890         struct rte_eth_dev *dev;
4891
4892         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4893         dev = &rte_eth_devices[port_id];
4894
4895         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4896         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4897                                                                 timestamp));
4898 }
4899
4900 int
4901 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4902 {
4903         struct rte_eth_dev *dev;
4904
4905         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4906         dev = &rte_eth_devices[port_id];
4907
4908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4909         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4910                                                                 timestamp));
4911 }
4912
4913 int
4914 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4915 {
4916         struct rte_eth_dev *dev;
4917
4918         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4919         dev = &rte_eth_devices[port_id];
4920
4921         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4922         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4923 }
4924
4925 int
4926 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4927 {
4928         struct rte_eth_dev *dev;
4929
4930         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4931
4932         dev = &rte_eth_devices[port_id];
4933         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4934         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4935 }
4936
4937 int
4938 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4939 {
4940         struct rte_eth_dev *dev;
4941
4942         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4943
4944         dev = &rte_eth_devices[port_id];
4945         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4946         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4947 }
4948
4949 int
4950 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4951 {
4952         struct rte_eth_dev *dev;
4953
4954         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4955
4956         dev = &rte_eth_devices[port_id];
4957         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4958         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4959 }
4960
4961 int
4962 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4963 {
4964         struct rte_eth_dev *dev;
4965
4966         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4967
4968         dev = &rte_eth_devices[port_id];
4969         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4970         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4971 }
4972
4973 int
4974 rte_eth_dev_get_module_info(uint16_t port_id,
4975                             struct rte_eth_dev_module_info *modinfo)
4976 {
4977         struct rte_eth_dev *dev;
4978
4979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4980
4981         dev = &rte_eth_devices[port_id];
4982         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4983         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4984 }
4985
4986 int
4987 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4988                               struct rte_dev_eeprom_info *info)
4989 {
4990         struct rte_eth_dev *dev;
4991
4992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4993
4994         dev = &rte_eth_devices[port_id];
4995         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4996         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4997 }
4998
4999 int
5000 rte_eth_dev_get_dcb_info(uint16_t port_id,
5001                              struct rte_eth_dcb_info *dcb_info)
5002 {
5003         struct rte_eth_dev *dev;
5004
5005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5006
5007         dev = &rte_eth_devices[port_id];
5008         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5009
5010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5011         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5012 }
5013
5014 int
5015 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
5016                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
5017 {
5018         struct rte_eth_dev *dev;
5019
5020         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5021         if (l2_tunnel == NULL) {
5022                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
5023                 return -EINVAL;
5024         }
5025
5026         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
5027                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
5028                 return -EINVAL;
5029         }
5030
5031         dev = &rte_eth_devices[port_id];
5032         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
5033                                 -ENOTSUP);
5034         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
5035                                                                 l2_tunnel));
5036 }
5037
5038 int
5039 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
5040                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
5041                                   uint32_t mask,
5042                                   uint8_t en)
5043 {
5044         struct rte_eth_dev *dev;
5045
5046         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5047
5048         if (l2_tunnel == NULL) {
5049                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
5050                 return -EINVAL;
5051         }
5052
5053         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
5054                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
5055                 return -EINVAL;
5056         }
5057
5058         if (mask == 0) {
5059                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
5060                 return -EINVAL;
5061         }
5062
5063         dev = &rte_eth_devices[port_id];
5064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
5065                                 -ENOTSUP);
5066         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
5067                                                         l2_tunnel, mask, en));
5068 }
5069
5070 static void
5071 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5072                            const struct rte_eth_desc_lim *desc_lim)
5073 {
5074         if (desc_lim->nb_align != 0)
5075                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5076
5077         if (desc_lim->nb_max != 0)
5078                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5079
5080         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5081 }
5082
5083 int
5084 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5085                                  uint16_t *nb_rx_desc,
5086                                  uint16_t *nb_tx_desc)
5087 {
5088         struct rte_eth_dev_info dev_info;
5089         int ret;
5090
5091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5092
5093         ret = rte_eth_dev_info_get(port_id, &dev_info);
5094         if (ret != 0)
5095                 return ret;
5096
5097         if (nb_rx_desc != NULL)
5098                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5099
5100         if (nb_tx_desc != NULL)
5101                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5102
5103         return 0;
5104 }
5105
5106 int
5107 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5108                                    struct rte_eth_hairpin_cap *cap)
5109 {
5110         struct rte_eth_dev *dev;
5111
5112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
5113
5114         dev = &rte_eth_devices[port_id];
5115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5116         memset(cap, 0, sizeof(*cap));
5117         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5118 }
5119
5120 int
5121 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5122 {
5123         if (dev->data->rx_queue_state[queue_id] ==
5124             RTE_ETH_QUEUE_STATE_HAIRPIN)
5125                 return 1;
5126         return 0;
5127 }
5128
5129 int
5130 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5131 {
5132         if (dev->data->tx_queue_state[queue_id] ==
5133             RTE_ETH_QUEUE_STATE_HAIRPIN)
5134                 return 1;
5135         return 0;
5136 }
5137
5138 int
5139 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5140 {
5141         struct rte_eth_dev *dev;
5142
5143         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5144
5145         if (pool == NULL)
5146                 return -EINVAL;
5147
5148         dev = &rte_eth_devices[port_id];
5149
5150         if (*dev->dev_ops->pool_ops_supported == NULL)
5151                 return 1; /* all pools are supported */
5152
5153         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5154 }
5155
5156 /**
5157  * A set of values to describe the possible states of a switch domain.
5158  */
5159 enum rte_eth_switch_domain_state {
5160         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5161         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5162 };
5163
5164 /**
5165  * Array of switch domains available for allocation. Array is sized to
5166  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5167  * ethdev ports in a single process.
5168  */
5169 static struct rte_eth_dev_switch {
5170         enum rte_eth_switch_domain_state state;
5171 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
5172
5173 int
5174 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5175 {
5176         unsigned int i;
5177
5178         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5179
5180         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5181                 if (rte_eth_switch_domains[i].state ==
5182                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5183                         rte_eth_switch_domains[i].state =
5184                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5185                         *domain_id = i;
5186                         return 0;
5187                 }
5188         }
5189
5190         return -ENOSPC;
5191 }
5192
5193 int
5194 rte_eth_switch_domain_free(uint16_t domain_id)
5195 {
5196         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5197                 domain_id >= RTE_MAX_ETHPORTS)
5198                 return -EINVAL;
5199
5200         if (rte_eth_switch_domains[domain_id].state !=
5201                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5202                 return -EINVAL;
5203
5204         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5205
5206         return 0;
5207 }
5208
5209 static int
5210 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5211 {
5212         int state;
5213         struct rte_kvargs_pair *pair;
5214         char *letter;
5215
5216         arglist->str = strdup(str_in);
5217         if (arglist->str == NULL)
5218                 return -ENOMEM;
5219
5220         letter = arglist->str;
5221         state = 0;
5222         arglist->count = 0;
5223         pair = &arglist->pairs[0];
5224         while (1) {
5225                 switch (state) {
5226                 case 0: /* Initial */
5227                         if (*letter == '=')
5228                                 return -EINVAL;
5229                         else if (*letter == '\0')
5230                                 return 0;
5231
5232                         state = 1;
5233                         pair->key = letter;
5234                         /* fall-thru */
5235
5236                 case 1: /* Parsing key */
5237                         if (*letter == '=') {
5238                                 *letter = '\0';
5239                                 pair->value = letter + 1;
5240                                 state = 2;
5241                         } else if (*letter == ',' || *letter == '\0')
5242                                 return -EINVAL;
5243                         break;
5244
5245
5246                 case 2: /* Parsing value */
5247                         if (*letter == '[')
5248                                 state = 3;
5249                         else if (*letter == ',') {
5250                                 *letter = '\0';
5251                                 arglist->count++;
5252                                 pair = &arglist->pairs[arglist->count];
5253                                 state = 0;
5254                         } else if (*letter == '\0') {
5255                                 letter--;
5256                                 arglist->count++;
5257                                 pair = &arglist->pairs[arglist->count];
5258                                 state = 0;
5259                         }
5260                         break;
5261
5262                 case 3: /* Parsing list */
5263                         if (*letter == ']')
5264                                 state = 2;
5265                         else if (*letter == '\0')
5266                                 return -EINVAL;
5267                         break;
5268                 }
5269                 letter++;
5270         }
5271 }
5272
5273 int
5274 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5275 {
5276         struct rte_kvargs args;
5277         struct rte_kvargs_pair *pair;
5278         unsigned int i;
5279         int result = 0;
5280
5281         memset(eth_da, 0, sizeof(*eth_da));
5282
5283         result = rte_eth_devargs_tokenise(&args, dargs);
5284         if (result < 0)
5285                 goto parse_cleanup;
5286
5287         for (i = 0; i < args.count; i++) {
5288                 pair = &args.pairs[i];
5289                 if (strcmp("representor", pair->key) == 0) {
5290                         result = rte_eth_devargs_parse_list(pair->value,
5291                                 rte_eth_devargs_parse_representor_ports,
5292                                 eth_da);
5293                         if (result < 0)
5294                                 goto parse_cleanup;
5295                 }
5296         }
5297
5298 parse_cleanup:
5299         if (args.str)
5300                 free(args.str);
5301
5302         return result;
5303 }
5304
5305 static int
5306 handle_port_list(const char *cmd __rte_unused,
5307                 const char *params __rte_unused,
5308                 struct rte_tel_data *d)
5309 {
5310         int port_id;
5311
5312         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
5313         RTE_ETH_FOREACH_DEV(port_id)
5314                 rte_tel_data_add_array_int(d, port_id);
5315         return 0;
5316 }
5317
5318 static int
5319 handle_port_xstats(const char *cmd __rte_unused,
5320                 const char *params,
5321                 struct rte_tel_data *d)
5322 {
5323         struct rte_eth_xstat *eth_xstats;
5324         struct rte_eth_xstat_name *xstat_names;
5325         int port_id, num_xstats;
5326         int i, ret;
5327         char *end_param;
5328
5329         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5330                 return -1;
5331
5332         port_id = strtoul(params, &end_param, 0);
5333         if (*end_param != '\0')
5334                 RTE_ETHDEV_LOG(NOTICE,
5335                         "Extra parameters passed to ethdev telemetry command, ignoring");
5336         if (!rte_eth_dev_is_valid_port(port_id))
5337                 return -1;
5338
5339         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
5340         if (num_xstats < 0)
5341                 return -1;
5342
5343         /* use one malloc for both names and stats */
5344         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
5345                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
5346         if (eth_xstats == NULL)
5347                 return -1;
5348         xstat_names = (void *)&eth_xstats[num_xstats];
5349
5350         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
5351         if (ret < 0 || ret > num_xstats) {
5352                 free(eth_xstats);
5353                 return -1;
5354         }
5355
5356         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
5357         if (ret < 0 || ret > num_xstats) {
5358                 free(eth_xstats);
5359                 return -1;
5360         }
5361
5362         rte_tel_data_start_dict(d);
5363         for (i = 0; i < num_xstats; i++)
5364                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
5365                                 eth_xstats[i].value);
5366         return 0;
5367 }
5368
5369 static int
5370 handle_port_link_status(const char *cmd __rte_unused,
5371                 const char *params,
5372                 struct rte_tel_data *d)
5373 {
5374         static const char *status_str = "status";
5375         int ret, port_id;
5376         struct rte_eth_link link;
5377         char *end_param;
5378
5379         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5380                 return -1;
5381
5382         port_id = strtoul(params, &end_param, 0);
5383         if (*end_param != '\0')
5384                 RTE_ETHDEV_LOG(NOTICE,
5385                         "Extra parameters passed to ethdev telemetry command, ignoring");
5386         if (!rte_eth_dev_is_valid_port(port_id))
5387                 return -1;
5388
5389         ret = rte_eth_link_get(port_id, &link);
5390         if (ret < 0)
5391                 return -1;
5392
5393         rte_tel_data_start_dict(d);
5394         if (!link.link_status) {
5395                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
5396                 return 0;
5397         }
5398         rte_tel_data_add_dict_string(d, status_str, "UP");
5399         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
5400         rte_tel_data_add_dict_string(d, "duplex",
5401                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
5402                                 "full-duplex" : "half-duplex");
5403         return 0;
5404 }
5405
5406 RTE_LOG_REGISTER(rte_eth_dev_logtype, lib.ethdev, INFO);
5407
5408 RTE_INIT(ethdev_init_telemetry)
5409 {
5410         rte_telemetry_register_cmd("/ethdev/list", handle_port_list,
5411                         "Returns list of available ethdev ports. Takes no parameters");
5412         rte_telemetry_register_cmd("/ethdev/xstats", handle_port_xstats,
5413                         "Returns the extended stats for a port. Parameters: int port_id");
5414         rte_telemetry_register_cmd("/ethdev/link_status",
5415                         handle_port_link_status,
5416                         "Returns the link status for a port. Parameters: int port_id");
5417 }