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_branch_prediction.h>
  30 #include <rte_common.h>
  31 #include <rte_mempool.h>
  32 #include <rte_malloc.h>
  33 #include <rte_mbuf.h>
  34 #include <rte_errno.h>
  35 #include <rte_spinlock.h>
  36 #include <rte_string_fns.h>
  37 #include <rte_kvargs.h>
  38 #include <rte_class.h>
  39 #include <rte_ether.h>
  40 #include <rte_telemetry.h>
  41
  42 #include "rte_ethdev_trace.h"
  43 #include "rte_ethdev.h"
  44 #include "rte_ethdev_driver.h"
  45 #include "ethdev_profile.h"
  46 #include "ethdev_private.h"
  47
  48 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  49 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  50
  51 /* spinlock for eth device callbacks */
  52 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  53
  54 /* spinlock for add/remove rx callbacks */
  55 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove tx callbacks */
  58 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for shared data allocation */
  61 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /* store statistics names and its offset in stats structure  */
  64 struct rte_eth_xstats_name_off {
  65         char name[RTE_ETH_XSTATS_NAME_SIZE];
  66         unsigned offset;
  67 };
  68
  69 /* Shared memory between primary and secondary processes. */
  70 static struct {
  71         uint64_t next_owner_id;
  72         rte_spinlock_t ownership_lock;
  73         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  74 } *rte_eth_dev_shared_data;
  75
  76 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  77         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  78         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  79         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  80         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  81         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  82         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  83         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  84         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  85                 rx_nombuf)},
  86 };
  87
  88 #define RTE_NB_STATS RTE_DIM(rte_stats_strings)
  89
  90 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  91         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  92         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  93         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  94 };
  95
  96 #define RTE_NB_RXQ_STATS RTE_DIM(rte_rxq_stats_strings)
  97
  98 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
  99         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 100         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 101 };
 102 #define RTE_NB_TXQ_STATS RTE_DIM(rte_txq_stats_strings)
 103
 104 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 105         { DEV_RX_OFFLOAD_##_name, #_name }
 106
 107 static const struct {
 108         uint64_t offload;
 109         const char *name;
 110 } rte_rx_offload_names[] = {
 111         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 112         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 113         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 114         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 116         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 117         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 119         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 120         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 121         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 122         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 123         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 124         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 125         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 126         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 127         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 128         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 129         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 130 };
 131
 132 #undef RTE_RX_OFFLOAD_BIT2STR
 133
 134 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 135         { DEV_TX_OFFLOAD_##_name, #_name }
 136
 137 static const struct {
 138         uint64_t offload;
 139         const char *name;
 140 } rte_tx_offload_names[] = {
 141         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 142         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 143         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 144         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 147         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 148         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 150         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 155         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 156         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 157         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 158         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 159         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 160         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 161         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 162         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 163 };
 164
 165 #undef RTE_TX_OFFLOAD_BIT2STR
 166
 167 /**
 168  * The user application callback description.
 169  *
 170  * It contains callback address to be registered by user application,
 171  * the pointer to the parameters for callback, and the event type.
 172  */
 173 struct rte_eth_dev_callback {
 174         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 175         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 176         void *cb_arg;                           /**< Parameter for callback */
 177         void *ret_param;                        /**< Return parameter */
 178         enum rte_eth_event_type event;          /**< Interrupt event type */
 179         uint32_t active;                        /**< Callback is executing */
 180 };
 181
 182 enum {
 183         STAT_QMAP_TX = 0,
 184         STAT_QMAP_RX
 185 };
 186
 187 int
 188 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 189 {
 190         int ret;
 191         struct rte_devargs devargs = {.args = NULL};
 192         const char *bus_param_key;
 193         char *bus_str = NULL;
 194         char *cls_str = NULL;
 195         int str_size;
 196
 197         memset(iter, 0, sizeof(*iter));
 198
 199         /*
 200          * The devargs string may use various syntaxes:
 201          *   - 0000:08:00.0,representor=[1-3]
 202          *   - pci:0000:06:00.0,representor=[0,5]
 203          *   - class=eth,mac=00:11:22:33:44:55
 204          * A new syntax is in development (not yet supported):
 205          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 206          */
 207
 208         /*
 209          * Handle pure class filter (i.e. without any bus-level argument),
 210          * from future new syntax.
 211          * rte_devargs_parse() is not yet supporting the new syntax,
 212          * that's why this simple case is temporarily parsed here.
 213          */
 214 #define iter_anybus_str "class=eth,"
 215         if (strncmp(devargs_str, iter_anybus_str,
 216                         strlen(iter_anybus_str)) == 0) {
 217                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 218                 goto end;
 219         }
 220
 221         /* Split bus, device and parameters. */
 222         ret = rte_devargs_parse(&devargs, devargs_str);
 223         if (ret != 0)
 224                 goto error;
 225
 226         /*
 227          * Assume parameters of old syntax can match only at ethdev level.
 228          * Extra parameters will be ignored, thanks to "+" prefix.
 229          */
 230         str_size = strlen(devargs.args) + 2;
 231         cls_str = malloc(str_size);
 232         if (cls_str == NULL) {
 233                 ret = -ENOMEM;
 234                 goto error;
 235         }
 236         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 237         if (ret != str_size - 1) {
 238                 ret = -EINVAL;
 239                 goto error;
 240         }
 241         iter->cls_str = cls_str;
 242         free(devargs.args); /* allocated by rte_devargs_parse() */
 243         devargs.args = NULL;
 244
 245         iter->bus = devargs.bus;
 246         if (iter->bus->dev_iterate == NULL) {
 247                 ret = -ENOTSUP;
 248                 goto error;
 249         }
 250
 251         /* Convert bus args to new syntax for use with new API dev_iterate. */
 252         if (strcmp(iter->bus->name, "vdev") == 0) {
 253                 bus_param_key = "name";
 254         } else if (strcmp(iter->bus->name, "pci") == 0) {
 255                 bus_param_key = "addr";
 256         } else {
 257                 ret = -ENOTSUP;
 258                 goto error;
 259         }
 260         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 261         bus_str = malloc(str_size);
 262         if (bus_str == NULL) {
 263                 ret = -ENOMEM;
 264                 goto error;
 265         }
 266         ret = snprintf(bus_str, str_size, "%s=%s",
 267                         bus_param_key, devargs.name);
 268         if (ret != str_size - 1) {
 269                 ret = -EINVAL;
 270                 goto error;
 271         }
 272         iter->bus_str = bus_str;
 273
 274 end:
 275         iter->cls = rte_class_find_by_name("eth");
 276         return 0;
 277
 278 error:
 279         if (ret == -ENOTSUP)
 280                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 281                                 iter->bus->name);
 282         free(devargs.args);
 283         free(bus_str);
 284         free(cls_str);
 285         return ret;
 286 }
 287
 288 uint16_t
 289 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 290 {
 291         if (iter->cls == NULL) /* invalid ethdev iterator */
 292                 return RTE_MAX_ETHPORTS;
 293
 294         do { /* loop to try all matching rte_device */
 295                 /* If not pure ethdev filter and */
 296                 if (iter->bus != NULL &&
 297                                 /* not in middle of rte_eth_dev iteration, */
 298                                 iter->class_device == NULL) {
 299                         /* get next rte_device to try. */
 300                         iter->device = iter->bus->dev_iterate(
 301                                         iter->device, iter->bus_str, iter);
 302                         if (iter->device == NULL)
 303                                 break; /* no more rte_device candidate */
 304                 }
 305                 /* A device is matching bus part, need to check ethdev part. */
 306                 iter->class_device = iter->cls->dev_iterate(
 307                                 iter->class_device, iter->cls_str, iter);
 308                 if (iter->class_device != NULL)
 309                         return eth_dev_to_id(iter->class_device); /* match */
 310         } while (iter->bus != NULL); /* need to try next rte_device */
 311
 312         /* No more ethdev port to iterate. */
 313         rte_eth_iterator_cleanup(iter);
 314         return RTE_MAX_ETHPORTS;
 315 }
 316
 317 void
 318 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 319 {
 320         if (iter->bus_str == NULL)
 321                 return; /* nothing to free in pure class filter */
 322         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 323         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 324         memset(iter, 0, sizeof(*iter));
 325 }
 326
 327 uint16_t
 328 rte_eth_find_next(uint16_t port_id)
 329 {
 330         while (port_id < RTE_MAX_ETHPORTS &&
 331                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 332                 port_id++;
 333
 334         if (port_id >= RTE_MAX_ETHPORTS)
 335                 return RTE_MAX_ETHPORTS;
 336
 337         return port_id;
 338 }
 339
 340 /*
 341  * Macro to iterate over all valid ports for internal usage.
 342  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 343  */
 344 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 345         for (port_id = rte_eth_find_next(0); \
 346              port_id < RTE_MAX_ETHPORTS; \
 347              port_id = rte_eth_find_next(port_id + 1))
 348
 349 uint16_t
 350 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 351 {
 352         port_id = rte_eth_find_next(port_id);
 353         while (port_id < RTE_MAX_ETHPORTS &&
 354                         rte_eth_devices[port_id].device != parent)
 355                 port_id = rte_eth_find_next(port_id + 1);
 356
 357         return port_id;
 358 }
 359
 360 uint16_t
 361 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 362 {
 363         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 364         return rte_eth_find_next_of(port_id,
 365                         rte_eth_devices[ref_port_id].device);
 366 }
 367
 368 static void
 369 rte_eth_dev_shared_data_prepare(void)
 370 {
 371         const unsigned flags = 0;
 372         const struct rte_memzone *mz;
 373
 374         rte_spinlock_lock(&rte_eth_shared_data_lock);
 375
 376         if (rte_eth_dev_shared_data == NULL) {
 377                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 378                         /* Allocate port data and ownership shared memory. */
 379                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 380                                         sizeof(*rte_eth_dev_shared_data),
 381                                         rte_socket_id(), flags);
 382                 } else
 383                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 384                 if (mz == NULL)
 385                         rte_panic("Cannot allocate ethdev shared data\n");
 386
 387                 rte_eth_dev_shared_data = mz->addr;
 388                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 389                         rte_eth_dev_shared_data->next_owner_id =
 390                                         RTE_ETH_DEV_NO_OWNER + 1;
 391                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 392                         memset(rte_eth_dev_shared_data->data, 0,
 393                                sizeof(rte_eth_dev_shared_data->data));
 394                 }
 395         }
 396
 397         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 398 }
 399
 400 static bool
 401 is_allocated(const struct rte_eth_dev *ethdev)
 402 {
 403         return ethdev->data->name[0] != '\0';
 404 }
 405
 406 static struct rte_eth_dev *
 407 _rte_eth_dev_allocated(const char *name)
 408 {
 409         unsigned i;
 410
 411         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 412                 if (rte_eth_devices[i].data != NULL &&
 413                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 414                         return &rte_eth_devices[i];
 415         }
 416         return NULL;
 417 }
 418
 419 struct rte_eth_dev *
 420 rte_eth_dev_allocated(const char *name)
 421 {
 422         struct rte_eth_dev *ethdev;
 423
 424         rte_eth_dev_shared_data_prepare();
 425
 426         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 427
 428         ethdev = _rte_eth_dev_allocated(name);
 429
 430         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 431
 432         return ethdev;
 433 }
 434
 435 static uint16_t
 436 rte_eth_dev_find_free_port(void)
 437 {
 438         unsigned i;
 439
 440         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 441                 /* Using shared name field to find a free port. */
 442                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 443                         RTE_ASSERT(rte_eth_devices[i].state ==
 444                                    RTE_ETH_DEV_UNUSED);
 445                         return i;
 446                 }
 447         }
 448         return RTE_MAX_ETHPORTS;
 449 }
 450
 451 static struct rte_eth_dev *
 452 eth_dev_get(uint16_t port_id)
 453 {
 454         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 455
 456         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 457
 458         return eth_dev;
 459 }
 460
 461 struct rte_eth_dev *
 462 rte_eth_dev_allocate(const char *name)
 463 {
 464         uint16_t port_id;
 465         struct rte_eth_dev *eth_dev = NULL;
 466         size_t name_len;
 467
 468         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 469         if (name_len == 0) {
 470                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 471                 return NULL;
 472         }
 473
 474         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 475                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 476                 return NULL;
 477         }
 478
 479         rte_eth_dev_shared_data_prepare();
 480
 481         /* Synchronize port creation between primary and secondary threads. */
 482         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 483
 484         if (_rte_eth_dev_allocated(name) != NULL) {
 485                 RTE_ETHDEV_LOG(ERR,
 486                         "Ethernet device with name %s already allocated\n",
 487                         name);
 488                 goto unlock;
 489         }
 490
 491         port_id = rte_eth_dev_find_free_port();
 492         if (port_id == RTE_MAX_ETHPORTS) {
 493                 RTE_ETHDEV_LOG(ERR,
 494                         "Reached maximum number of Ethernet ports\n");
 495                 goto unlock;
 496         }
 497
 498         eth_dev = eth_dev_get(port_id);
 499         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 500         eth_dev->data->port_id = port_id;
 501         eth_dev->data->mtu = RTE_ETHER_MTU;
 502         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 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                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 568                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 569         }
 570
 571         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 572
 573         return 0;
 574 }
 575
 576 int
 577 rte_eth_dev_is_valid_port(uint16_t port_id)
 578 {
 579         if (port_id >= RTE_MAX_ETHPORTS ||
 580             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 581                 return 0;
 582         else
 583                 return 1;
 584 }
 585
 586 static int
 587 rte_eth_is_valid_owner_id(uint64_t owner_id)
 588 {
 589         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 590             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 591                 return 0;
 592         return 1;
 593 }
 594
 595 uint64_t
 596 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 597 {
 598         port_id = rte_eth_find_next(port_id);
 599         while (port_id < RTE_MAX_ETHPORTS &&
 600                         rte_eth_devices[port_id].data->owner.id != owner_id)
 601                 port_id = rte_eth_find_next(port_id + 1);
 602
 603         return port_id;
 604 }
 605
 606 int
 607 rte_eth_dev_owner_new(uint64_t *owner_id)
 608 {
 609         rte_eth_dev_shared_data_prepare();
 610
 611         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 612
 613         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 614
 615         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 616         return 0;
 617 }
 618
 619 static int
 620 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 621                        const struct rte_eth_dev_owner *new_owner)
 622 {
 623         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 624         struct rte_eth_dev_owner *port_owner;
 625
 626         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 627                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 628                         port_id);
 629                 return -ENODEV;
 630         }
 631
 632         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 633             !rte_eth_is_valid_owner_id(old_owner_id)) {
 634                 RTE_ETHDEV_LOG(ERR,
 635                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 636                        old_owner_id, new_owner->id);
 637                 return -EINVAL;
 638         }
 639
 640         port_owner = &rte_eth_devices[port_id].data->owner;
 641         if (port_owner->id != old_owner_id) {
 642                 RTE_ETHDEV_LOG(ERR,
 643                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 644                         port_id, port_owner->name, port_owner->id);
 645                 return -EPERM;
 646         }
 647
 648         /* can not truncate (same structure) */
 649         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 650
 651         port_owner->id = new_owner->id;
 652
 653         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 654                 port_id, new_owner->name, new_owner->id);
 655
 656         return 0;
 657 }
 658
 659 int
 660 rte_eth_dev_owner_set(const uint16_t port_id,
 661                       const struct rte_eth_dev_owner *owner)
 662 {
 663         int ret;
 664
 665         rte_eth_dev_shared_data_prepare();
 666
 667         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 668
 669         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 670
 671         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 672         return ret;
 673 }
 674
 675 int
 676 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 677 {
 678         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 679                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 680         int ret;
 681
 682         rte_eth_dev_shared_data_prepare();
 683
 684         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 685
 686         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 687
 688         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 689         return ret;
 690 }
 691
 692 int
 693 rte_eth_dev_owner_delete(const uint64_t owner_id)
 694 {
 695         uint16_t port_id;
 696         int ret = 0;
 697
 698         rte_eth_dev_shared_data_prepare();
 699
 700         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 701
 702         if (rte_eth_is_valid_owner_id(owner_id)) {
 703                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 704                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 705                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 706                                        sizeof(struct rte_eth_dev_owner));
 707                 RTE_ETHDEV_LOG(NOTICE,
 708                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 709                         owner_id);
 710         } else {
 711                 RTE_ETHDEV_LOG(ERR,
 712                                "Invalid owner id=%016"PRIx64"\n",
 713                                owner_id);
 714                 ret = -EINVAL;
 715         }
 716
 717         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 718
 719         return ret;
 720 }
 721
 722 int
 723 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 724 {
 725         int ret = 0;
 726         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 727
 728         rte_eth_dev_shared_data_prepare();
 729
 730         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 731
 732         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 733                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 734                         port_id);
 735                 ret = -ENODEV;
 736         } else {
 737                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 738         }
 739
 740         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 741         return ret;
 742 }
 743
 744 int
 745 rte_eth_dev_socket_id(uint16_t port_id)
 746 {
 747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 748         return rte_eth_devices[port_id].data->numa_node;
 749 }
 750
 751 void *
 752 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 753 {
 754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 755         return rte_eth_devices[port_id].security_ctx;
 756 }
 757
 758 uint16_t
 759 rte_eth_dev_count_avail(void)
 760 {
 761         uint16_t p;
 762         uint16_t count;
 763
 764         count = 0;
 765
 766         RTE_ETH_FOREACH_DEV(p)
 767                 count++;
 768
 769         return count;
 770 }
 771
 772 uint16_t
 773 rte_eth_dev_count_total(void)
 774 {
 775         uint16_t port, count = 0;
 776
 777         RTE_ETH_FOREACH_VALID_DEV(port)
 778                 count++;
 779
 780         return count;
 781 }
 782
 783 int
 784 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 785 {
 786         char *tmp;
 787
 788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 789
 790         if (name == NULL) {
 791                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 792                 return -EINVAL;
 793         }
 794
 795         /* shouldn't check 'rte_eth_devices[i].data',
 796          * because it might be overwritten by VDEV PMD */
 797         tmp = rte_eth_dev_shared_data->data[port_id].name;
 798         strcpy(name, tmp);
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 804 {
 805         uint32_t pid;
 806
 807         if (name == NULL) {
 808                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 809                 return -EINVAL;
 810         }
 811
 812         RTE_ETH_FOREACH_VALID_DEV(pid)
 813                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 814                         *port_id = pid;
 815                         return 0;
 816                 }
 817
 818         return -ENODEV;
 819 }
 820
 821 static int
 822 eth_err(uint16_t port_id, int ret)
 823 {
 824         if (ret == 0)
 825                 return 0;
 826         if (rte_eth_dev_is_removed(port_id))
 827                 return -EIO;
 828         return ret;
 829 }
 830
 831 static int
 832 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 833 {
 834         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 835         void **rxq;
 836         unsigned i;
 837
 838         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 839                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 840                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 841                                 RTE_CACHE_LINE_SIZE);
 842                 if (dev->data->rx_queues == NULL) {
 843                         dev->data->nb_rx_queues = 0;
 844                         return -(ENOMEM);
 845                 }
 846         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 847                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 848
 849                 rxq = dev->data->rx_queues;
 850
 851                 for (i = nb_queues; i < old_nb_queues; i++)
 852                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 853                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 854                                 RTE_CACHE_LINE_SIZE);
 855                 if (rxq == NULL)
 856                         return -(ENOMEM);
 857                 if (nb_queues > old_nb_queues) {
 858                         uint16_t new_qs = nb_queues - old_nb_queues;
 859
 860                         memset(rxq + old_nb_queues, 0,
 861                                 sizeof(rxq[0]) * new_qs);
 862                 }
 863
 864                 dev->data->rx_queues = rxq;
 865
 866         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 867                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 868
 869                 rxq = dev->data->rx_queues;
 870
 871                 for (i = nb_queues; i < old_nb_queues; i++)
 872                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 873
 874                 rte_free(dev->data->rx_queues);
 875                 dev->data->rx_queues = NULL;
 876         }
 877         dev->data->nb_rx_queues = nb_queues;
 878         return 0;
 879 }
 880
 881 static int
 882 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 883 {
 884         uint16_t port_id;
 885
 886         if (rx_queue_id >= dev->data->nb_rx_queues) {
 887                 port_id = dev->data->port_id;
 888                 RTE_ETHDEV_LOG(ERR,
 889                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 890                                rx_queue_id, port_id);
 891                 return -EINVAL;
 892         }
 893
 894         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 895                 port_id = dev->data->port_id;
 896                 RTE_ETHDEV_LOG(ERR,
 897                                "Queue %u of device with port_id=%u has not been setup\n",
 898                                rx_queue_id, port_id);
 899                 return -EINVAL;
 900         }
 901
 902         return 0;
 903 }
 904
 905 static int
 906 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 907 {
 908         uint16_t port_id;
 909
 910         if (tx_queue_id >= dev->data->nb_tx_queues) {
 911                 port_id = dev->data->port_id;
 912                 RTE_ETHDEV_LOG(ERR,
 913                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 914                                tx_queue_id, port_id);
 915                 return -EINVAL;
 916         }
 917
 918         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 919                 port_id = dev->data->port_id;
 920                 RTE_ETHDEV_LOG(ERR,
 921                                "Queue %u of device with port_id=%u has not been setup\n",
 922                                tx_queue_id, port_id);
 923                 return -EINVAL;
 924         }
 925
 926         return 0;
 927 }
 928
 929 int
 930 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 931 {
 932         struct rte_eth_dev *dev;
 933         int ret;
 934
 935         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 936
 937         dev = &rte_eth_devices[port_id];
 938         if (!dev->data->dev_started) {
 939                 RTE_ETHDEV_LOG(ERR,
 940                         "Port %u must be started before start any queue\n",
 941                         port_id);
 942                 return -EINVAL;
 943         }
 944
 945         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
 946         if (ret != 0)
 947                 return ret;
 948
 949         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 950
 951         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 952                 RTE_ETHDEV_LOG(INFO,
 953                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 954                         rx_queue_id, port_id);
 955                 return -EINVAL;
 956         }
 957
 958         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 959                 RTE_ETHDEV_LOG(INFO,
 960                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 961                         rx_queue_id, port_id);
 962                 return 0;
 963         }
 964
 965         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 966                                                              rx_queue_id));
 967
 968 }
 969
 970 int
 971 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 972 {
 973         struct rte_eth_dev *dev;
 974         int ret;
 975
 976         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 977
 978         dev = &rte_eth_devices[port_id];
 979
 980         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
 981         if (ret != 0)
 982                 return ret;
 983
 984         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 985
 986         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 987                 RTE_ETHDEV_LOG(INFO,
 988                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 989                         rx_queue_id, port_id);
 990                 return -EINVAL;
 991         }
 992
 993         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 994                 RTE_ETHDEV_LOG(INFO,
 995                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 996                         rx_queue_id, port_id);
 997                 return 0;
 998         }
 999
1000         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1001
1002 }
1003
1004 int
1005 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1006 {
1007         struct rte_eth_dev *dev;
1008         int ret;
1009
1010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1011
1012         dev = &rte_eth_devices[port_id];
1013         if (!dev->data->dev_started) {
1014                 RTE_ETHDEV_LOG(ERR,
1015                         "Port %u must be started before start any queue\n",
1016                         port_id);
1017                 return -EINVAL;
1018         }
1019
1020         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1021         if (ret != 0)
1022                 return ret;
1023
1024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1025
1026         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1027                 RTE_ETHDEV_LOG(INFO,
1028                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1029                         tx_queue_id, port_id);
1030                 return -EINVAL;
1031         }
1032
1033         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1034                 RTE_ETHDEV_LOG(INFO,
1035                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1036                         tx_queue_id, port_id);
1037                 return 0;
1038         }
1039
1040         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1041 }
1042
1043 int
1044 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1045 {
1046         struct rte_eth_dev *dev;
1047         int ret;
1048
1049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1050
1051         dev = &rte_eth_devices[port_id];
1052
1053         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1054         if (ret != 0)
1055                 return ret;
1056
1057         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1058
1059         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1060                 RTE_ETHDEV_LOG(INFO,
1061                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1062                         tx_queue_id, port_id);
1063                 return -EINVAL;
1064         }
1065
1066         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1067                 RTE_ETHDEV_LOG(INFO,
1068                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1069                         tx_queue_id, port_id);
1070                 return 0;
1071         }
1072
1073         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1074
1075 }
1076
1077 static int
1078 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1079 {
1080         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1081         void **txq;
1082         unsigned i;
1083
1084         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1085                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1086                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1087                                                    RTE_CACHE_LINE_SIZE);
1088                 if (dev->data->tx_queues == NULL) {
1089                         dev->data->nb_tx_queues = 0;
1090                         return -(ENOMEM);
1091                 }
1092         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1093                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1094
1095                 txq = dev->data->tx_queues;
1096
1097                 for (i = nb_queues; i < old_nb_queues; i++)
1098                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1099                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1100                                   RTE_CACHE_LINE_SIZE);
1101                 if (txq == NULL)
1102                         return -ENOMEM;
1103                 if (nb_queues > old_nb_queues) {
1104                         uint16_t new_qs = nb_queues - old_nb_queues;
1105
1106                         memset(txq + old_nb_queues, 0,
1107                                sizeof(txq[0]) * new_qs);
1108                 }
1109
1110                 dev->data->tx_queues = txq;
1111
1112         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1113                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1114
1115                 txq = dev->data->tx_queues;
1116
1117                 for (i = nb_queues; i < old_nb_queues; i++)
1118                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1119
1120                 rte_free(dev->data->tx_queues);
1121                 dev->data->tx_queues = NULL;
1122         }
1123         dev->data->nb_tx_queues = nb_queues;
1124         return 0;
1125 }
1126
1127 uint32_t
1128 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1129 {
1130         switch (speed) {
1131         case ETH_SPEED_NUM_10M:
1132                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1133         case ETH_SPEED_NUM_100M:
1134                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1135         case ETH_SPEED_NUM_1G:
1136                 return ETH_LINK_SPEED_1G;
1137         case ETH_SPEED_NUM_2_5G:
1138                 return ETH_LINK_SPEED_2_5G;
1139         case ETH_SPEED_NUM_5G:
1140                 return ETH_LINK_SPEED_5G;
1141         case ETH_SPEED_NUM_10G:
1142                 return ETH_LINK_SPEED_10G;
1143         case ETH_SPEED_NUM_20G:
1144                 return ETH_LINK_SPEED_20G;
1145         case ETH_SPEED_NUM_25G:
1146                 return ETH_LINK_SPEED_25G;
1147         case ETH_SPEED_NUM_40G:
1148                 return ETH_LINK_SPEED_40G;
1149         case ETH_SPEED_NUM_50G:
1150                 return ETH_LINK_SPEED_50G;
1151         case ETH_SPEED_NUM_56G:
1152                 return ETH_LINK_SPEED_56G;
1153         case ETH_SPEED_NUM_100G:
1154                 return ETH_LINK_SPEED_100G;
1155         case ETH_SPEED_NUM_200G:
1156                 return ETH_LINK_SPEED_200G;
1157         default:
1158                 return 0;
1159         }
1160 }
1161
1162 const char *
1163 rte_eth_dev_rx_offload_name(uint64_t offload)
1164 {
1165         const char *name = "UNKNOWN";
1166         unsigned int i;
1167
1168         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1169                 if (offload == rte_rx_offload_names[i].offload) {
1170                         name = rte_rx_offload_names[i].name;
1171                         break;
1172                 }
1173         }
1174
1175         return name;
1176 }
1177
1178 const char *
1179 rte_eth_dev_tx_offload_name(uint64_t offload)
1180 {
1181         const char *name = "UNKNOWN";
1182         unsigned int i;
1183
1184         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1185                 if (offload == rte_tx_offload_names[i].offload) {
1186                         name = rte_tx_offload_names[i].name;
1187                         break;
1188                 }
1189         }
1190
1191         return name;
1192 }
1193
1194 static inline int
1195 check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1196                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1197 {
1198         int ret = 0;
1199
1200         if (dev_info_size == 0) {
1201                 if (config_size != max_rx_pkt_len) {
1202                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1203                                        " %u != %u is not allowed\n",
1204                                        port_id, config_size, max_rx_pkt_len);
1205                         ret = -EINVAL;
1206                 }
1207         } else if (config_size > dev_info_size) {
1208                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1209                                "> max allowed value %u\n", port_id, config_size,
1210                                dev_info_size);
1211                 ret = -EINVAL;
1212         } else if (config_size < RTE_ETHER_MIN_LEN) {
1213                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1214                                "< min allowed value %u\n", port_id, config_size,
1215                                (unsigned int)RTE_ETHER_MIN_LEN);
1216                 ret = -EINVAL;
1217         }
1218         return ret;
1219 }
1220
1221 /*
1222  * Validate offloads that are requested through rte_eth_dev_configure against
1223  * the offloads successfully set by the ethernet device.
1224  *
1225  * @param port_id
1226  *   The port identifier of the Ethernet device.
1227  * @param req_offloads
1228  *   The offloads that have been requested through `rte_eth_dev_configure`.
1229  * @param set_offloads
1230  *   The offloads successfully set by the ethernet device.
1231  * @param offload_type
1232  *   The offload type i.e. Rx/Tx string.
1233  * @param offload_name
1234  *   The function that prints the offload name.
1235  * @return
1236  *   - (0) if validation successful.
1237  *   - (-EINVAL) if requested offload has been silently disabled.
1238  *
1239  */
1240 static int
1241 validate_offloads(uint16_t port_id, uint64_t req_offloads,
1242                   uint64_t set_offloads, const char *offload_type,
1243                   const char *(*offload_name)(uint64_t))
1244 {
1245         uint64_t offloads_diff = req_offloads ^ set_offloads;
1246         uint64_t offload;
1247         int ret = 0;
1248
1249         while (offloads_diff != 0) {
1250                 /* Check if any offload is requested but not enabled. */
1251                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1252                 if (offload & req_offloads) {
1253                         RTE_ETHDEV_LOG(ERR,
1254                                 "Port %u failed to enable %s offload %s\n",
1255                                 port_id, offload_type, offload_name(offload));
1256                         ret = -EINVAL;
1257                 }
1258
1259                 /* Check if offload couldn't be disabled. */
1260                 if (offload & set_offloads) {
1261                         RTE_ETHDEV_LOG(DEBUG,
1262                                 "Port %u %s offload %s is not requested but enabled\n",
1263                                 port_id, offload_type, offload_name(offload));
1264                 }
1265
1266                 offloads_diff &= ~offload;
1267         }
1268
1269         return ret;
1270 }
1271
1272 int
1273 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1274                       const struct rte_eth_conf *dev_conf)
1275 {
1276         struct rte_eth_dev *dev;
1277         struct rte_eth_dev_info dev_info;
1278         struct rte_eth_conf orig_conf;
1279         int diag;
1280         int ret;
1281
1282         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1283
1284         dev = &rte_eth_devices[port_id];
1285
1286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1287
1288         if (dev->data->dev_started) {
1289                 RTE_ETHDEV_LOG(ERR,
1290                         "Port %u must be stopped to allow configuration\n",
1291                         port_id);
1292                 return -EBUSY;
1293         }
1294
1295          /* Store original config, as rollback required on failure */
1296         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1297
1298         /*
1299          * Copy the dev_conf parameter into the dev structure.
1300          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1301          */
1302         if (dev_conf != &dev->data->dev_conf)
1303                 memcpy(&dev->data->dev_conf, dev_conf,
1304                        sizeof(dev->data->dev_conf));
1305
1306         ret = rte_eth_dev_info_get(port_id, &dev_info);
1307         if (ret != 0)
1308                 goto rollback;
1309
1310         /* If number of queues specified by application for both Rx and Tx is
1311          * zero, use driver preferred values. This cannot be done individually
1312          * as it is valid for either Tx or Rx (but not both) to be zero.
1313          * If driver does not provide any preferred valued, fall back on
1314          * EAL defaults.
1315          */
1316         if (nb_rx_q == 0 && nb_tx_q == 0) {
1317                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1318                 if (nb_rx_q == 0)
1319                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1320                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1321                 if (nb_tx_q == 0)
1322                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1323         }
1324
1325         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1326                 RTE_ETHDEV_LOG(ERR,
1327                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1328                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1329                 ret = -EINVAL;
1330                 goto rollback;
1331         }
1332
1333         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1334                 RTE_ETHDEV_LOG(ERR,
1335                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1336                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1337                 ret = -EINVAL;
1338                 goto rollback;
1339         }
1340
1341         /*
1342          * Check that the numbers of RX and TX queues are not greater
1343          * than the maximum number of RX and TX queues supported by the
1344          * configured device.
1345          */
1346         if (nb_rx_q > dev_info.max_rx_queues) {
1347                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1348                         port_id, nb_rx_q, dev_info.max_rx_queues);
1349                 ret = -EINVAL;
1350                 goto rollback;
1351         }
1352
1353         if (nb_tx_q > dev_info.max_tx_queues) {
1354                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1355                         port_id, nb_tx_q, dev_info.max_tx_queues);
1356                 ret = -EINVAL;
1357                 goto rollback;
1358         }
1359
1360         /* Check that the device supports requested interrupts */
1361         if ((dev_conf->intr_conf.lsc == 1) &&
1362                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1363                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1364                         dev->device->driver->name);
1365                 ret = -EINVAL;
1366                 goto rollback;
1367         }
1368         if ((dev_conf->intr_conf.rmv == 1) &&
1369                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1370                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1371                         dev->device->driver->name);
1372                 ret = -EINVAL;
1373                 goto rollback;
1374         }
1375
1376         /*
1377          * If jumbo frames are enabled, check that the maximum RX packet
1378          * length is supported by the configured device.
1379          */
1380         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1381                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1382                         RTE_ETHDEV_LOG(ERR,
1383                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1384                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1385                                 dev_info.max_rx_pktlen);
1386                         ret = -EINVAL;
1387                         goto rollback;
1388                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1389                         RTE_ETHDEV_LOG(ERR,
1390                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1391                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1392                                 (unsigned int)RTE_ETHER_MIN_LEN);
1393                         ret = -EINVAL;
1394                         goto rollback;
1395                 }
1396         } else {
1397                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1398                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1399                         /* Use default value */
1400                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1401                                                         RTE_ETHER_MAX_LEN;
1402         }
1403
1404         /*
1405          * If LRO is enabled, check that the maximum aggregated packet
1406          * size is supported by the configured device.
1407          */
1408         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1409                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1410                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1411                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1412                 ret = check_lro_pkt_size(port_id,
1413                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1414                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1415                                 dev_info.max_lro_pkt_size);
1416                 if (ret != 0)
1417                         goto rollback;
1418         }
1419
1420         /* Any requested offloading must be within its device capabilities */
1421         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1422              dev_conf->rxmode.offloads) {
1423                 RTE_ETHDEV_LOG(ERR,
1424                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1425                         "capabilities 0x%"PRIx64" in %s()\n",
1426                         port_id, dev_conf->rxmode.offloads,
1427                         dev_info.rx_offload_capa,
1428                         __func__);
1429                 ret = -EINVAL;
1430                 goto rollback;
1431         }
1432         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1433              dev_conf->txmode.offloads) {
1434                 RTE_ETHDEV_LOG(ERR,
1435                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1436                         "capabilities 0x%"PRIx64" in %s()\n",
1437                         port_id, dev_conf->txmode.offloads,
1438                         dev_info.tx_offload_capa,
1439                         __func__);
1440                 ret = -EINVAL;
1441                 goto rollback;
1442         }
1443
1444         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1445                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1446
1447         /* Check that device supports requested rss hash functions. */
1448         if ((dev_info.flow_type_rss_offloads |
1449              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1450             dev_info.flow_type_rss_offloads) {
1451                 RTE_ETHDEV_LOG(ERR,
1452                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1453                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1454                         dev_info.flow_type_rss_offloads);
1455                 ret = -EINVAL;
1456                 goto rollback;
1457         }
1458
1459         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1460         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1461             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1462                 RTE_ETHDEV_LOG(ERR,
1463                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1464                         port_id,
1465                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1466                 ret = -EINVAL;
1467                 goto rollback;
1468         }
1469
1470         /*
1471          * Setup new number of RX/TX queues and reconfigure device.
1472          */
1473         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1474         if (diag != 0) {
1475                 RTE_ETHDEV_LOG(ERR,
1476                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1477                         port_id, diag);
1478                 ret = diag;
1479                 goto rollback;
1480         }
1481
1482         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1483         if (diag != 0) {
1484                 RTE_ETHDEV_LOG(ERR,
1485                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1486                         port_id, diag);
1487                 rte_eth_dev_rx_queue_config(dev, 0);
1488                 ret = diag;
1489                 goto rollback;
1490         }
1491
1492         diag = (*dev->dev_ops->dev_configure)(dev);
1493         if (diag != 0) {
1494                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1495                         port_id, diag);
1496                 ret = eth_err(port_id, diag);
1497                 goto reset_queues;
1498         }
1499
1500         /* Initialize Rx profiling if enabled at compilation time. */
1501         diag = __rte_eth_dev_profile_init(port_id, dev);
1502         if (diag != 0) {
1503                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1504                         port_id, diag);
1505                 ret = eth_err(port_id, diag);
1506                 goto reset_queues;
1507         }
1508
1509         /* Validate Rx offloads. */
1510         diag = validate_offloads(port_id,
1511                         dev_conf->rxmode.offloads,
1512                         dev->data->dev_conf.rxmode.offloads, "Rx",
1513                         rte_eth_dev_rx_offload_name);
1514         if (diag != 0) {
1515                 ret = diag;
1516                 goto reset_queues;
1517         }
1518
1519         /* Validate Tx offloads. */
1520         diag = validate_offloads(port_id,
1521                         dev_conf->txmode.offloads,
1522                         dev->data->dev_conf.txmode.offloads, "Tx",
1523                         rte_eth_dev_tx_offload_name);
1524         if (diag != 0) {
1525                 ret = diag;
1526                 goto reset_queues;
1527         }
1528
1529         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1530         return 0;
1531 reset_queues:
1532         rte_eth_dev_rx_queue_config(dev, 0);
1533         rte_eth_dev_tx_queue_config(dev, 0);
1534 rollback:
1535         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1536
1537         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1538         return ret;
1539 }
1540
1541 void
1542 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1543 {
1544         if (dev->data->dev_started) {
1545                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1546                         dev->data->port_id);
1547                 return;
1548         }
1549
1550         rte_eth_dev_rx_queue_config(dev, 0);
1551         rte_eth_dev_tx_queue_config(dev, 0);
1552
1553         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1554 }
1555
1556 static void
1557 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1558                         struct rte_eth_dev_info *dev_info)
1559 {
1560         struct rte_ether_addr *addr;
1561         uint16_t i;
1562         uint32_t pool = 0;
1563         uint64_t pool_mask;
1564
1565         /* replay MAC address configuration including default MAC */
1566         addr = &dev->data->mac_addrs[0];
1567         if (*dev->dev_ops->mac_addr_set != NULL)
1568                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1569         else if (*dev->dev_ops->mac_addr_add != NULL)
1570                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1571
1572         if (*dev->dev_ops->mac_addr_add != NULL) {
1573                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1574                         addr = &dev->data->mac_addrs[i];
1575
1576                         /* skip zero address */
1577                         if (rte_is_zero_ether_addr(addr))
1578                                 continue;
1579
1580                         pool = 0;
1581                         pool_mask = dev->data->mac_pool_sel[i];
1582
1583                         do {
1584                                 if (pool_mask & 1ULL)
1585                                         (*dev->dev_ops->mac_addr_add)(dev,
1586                                                 addr, i, pool);
1587                                 pool_mask >>= 1;
1588                                 pool++;
1589                         } while (pool_mask);
1590                 }
1591         }
1592 }
1593
1594 static int
1595 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1596                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1597 {
1598         int ret;
1599
1600         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1601                 rte_eth_dev_mac_restore(dev, dev_info);
1602
1603         /* replay promiscuous configuration */
1604         /*
1605          * use callbacks directly since we don't need port_id check and
1606          * would like to bypass the same value set
1607          */
1608         if (rte_eth_promiscuous_get(port_id) == 1 &&
1609             *dev->dev_ops->promiscuous_enable != NULL) {
1610                 ret = eth_err(port_id,
1611                               (*dev->dev_ops->promiscuous_enable)(dev));
1612                 if (ret != 0 && ret != -ENOTSUP) {
1613                         RTE_ETHDEV_LOG(ERR,
1614                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1615                                 port_id, rte_strerror(-ret));
1616                         return ret;
1617                 }
1618         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1619                    *dev->dev_ops->promiscuous_disable != NULL) {
1620                 ret = eth_err(port_id,
1621                               (*dev->dev_ops->promiscuous_disable)(dev));
1622                 if (ret != 0 && ret != -ENOTSUP) {
1623                         RTE_ETHDEV_LOG(ERR,
1624                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1625                                 port_id, rte_strerror(-ret));
1626                         return ret;
1627                 }
1628         }
1629
1630         /* replay all multicast configuration */
1631         /*
1632          * use callbacks directly since we don't need port_id check and
1633          * would like to bypass the same value set
1634          */
1635         if (rte_eth_allmulticast_get(port_id) == 1 &&
1636             *dev->dev_ops->allmulticast_enable != NULL) {
1637                 ret = eth_err(port_id,
1638                               (*dev->dev_ops->allmulticast_enable)(dev));
1639                 if (ret != 0 && ret != -ENOTSUP) {
1640                         RTE_ETHDEV_LOG(ERR,
1641                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1642                                 port_id, rte_strerror(-ret));
1643                         return ret;
1644                 }
1645         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1646                    *dev->dev_ops->allmulticast_disable != NULL) {
1647                 ret = eth_err(port_id,
1648                               (*dev->dev_ops->allmulticast_disable)(dev));
1649                 if (ret != 0 && ret != -ENOTSUP) {
1650                         RTE_ETHDEV_LOG(ERR,
1651                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1652                                 port_id, rte_strerror(-ret));
1653                         return ret;
1654                 }
1655         }
1656
1657         return 0;
1658 }
1659
1660 int
1661 rte_eth_dev_start(uint16_t port_id)
1662 {
1663         struct rte_eth_dev *dev;
1664         struct rte_eth_dev_info dev_info;
1665         int diag;
1666         int ret;
1667
1668         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1669
1670         dev = &rte_eth_devices[port_id];
1671
1672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1673
1674         if (dev->data->dev_started != 0) {
1675                 RTE_ETHDEV_LOG(INFO,
1676                         "Device with port_id=%"PRIu16" already started\n",
1677                         port_id);
1678                 return 0;
1679         }
1680
1681         ret = rte_eth_dev_info_get(port_id, &dev_info);
1682         if (ret != 0)
1683                 return ret;
1684
1685         /* Lets restore MAC now if device does not support live change */
1686         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1687                 rte_eth_dev_mac_restore(dev, &dev_info);
1688
1689         diag = (*dev->dev_ops->dev_start)(dev);
1690         if (diag == 0)
1691                 dev->data->dev_started = 1;
1692         else
1693                 return eth_err(port_id, diag);
1694
1695         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1696         if (ret != 0) {
1697                 RTE_ETHDEV_LOG(ERR,
1698                         "Error during restoring configuration for device (port %u): %s\n",
1699                         port_id, rte_strerror(-ret));
1700                 rte_eth_dev_stop(port_id);
1701                 return ret;
1702         }
1703
1704         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1705                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1706                 (*dev->dev_ops->link_update)(dev, 0);
1707         }
1708
1709         rte_ethdev_trace_start(port_id);
1710         return 0;
1711 }
1712
1713 void
1714 rte_eth_dev_stop(uint16_t port_id)
1715 {
1716         struct rte_eth_dev *dev;
1717
1718         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1719         dev = &rte_eth_devices[port_id];
1720
1721         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1722
1723         if (dev->data->dev_started == 0) {
1724                 RTE_ETHDEV_LOG(INFO,
1725                         "Device with port_id=%"PRIu16" already stopped\n",
1726                         port_id);
1727                 return;
1728         }
1729
1730         dev->data->dev_started = 0;
1731         (*dev->dev_ops->dev_stop)(dev);
1732         rte_ethdev_trace_stop(port_id);
1733 }
1734
1735 int
1736 rte_eth_dev_set_link_up(uint16_t port_id)
1737 {
1738         struct rte_eth_dev *dev;
1739
1740         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1741
1742         dev = &rte_eth_devices[port_id];
1743
1744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1745         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1746 }
1747
1748 int
1749 rte_eth_dev_set_link_down(uint16_t port_id)
1750 {
1751         struct rte_eth_dev *dev;
1752
1753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1754
1755         dev = &rte_eth_devices[port_id];
1756
1757         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1758         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1759 }
1760
1761 void
1762 rte_eth_dev_close(uint16_t port_id)
1763 {
1764         struct rte_eth_dev *dev;
1765
1766         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1767         dev = &rte_eth_devices[port_id];
1768
1769         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1770         dev->data->dev_started = 0;
1771         (*dev->dev_ops->dev_close)(dev);
1772
1773         rte_ethdev_trace_close(port_id);
1774         rte_eth_dev_release_port(dev);
1775 }
1776
1777 int
1778 rte_eth_dev_reset(uint16_t port_id)
1779 {
1780         struct rte_eth_dev *dev;
1781         int ret;
1782
1783         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1784         dev = &rte_eth_devices[port_id];
1785
1786         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1787
1788         rte_eth_dev_stop(port_id);
1789         ret = dev->dev_ops->dev_reset(dev);
1790
1791         return eth_err(port_id, ret);
1792 }
1793
1794 int
1795 rte_eth_dev_is_removed(uint16_t port_id)
1796 {
1797         struct rte_eth_dev *dev;
1798         int ret;
1799
1800         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1801
1802         dev = &rte_eth_devices[port_id];
1803
1804         if (dev->state == RTE_ETH_DEV_REMOVED)
1805                 return 1;
1806
1807         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1808
1809         ret = dev->dev_ops->is_removed(dev);
1810         if (ret != 0)
1811                 /* Device is physically removed. */
1812                 dev->state = RTE_ETH_DEV_REMOVED;
1813
1814         return ret;
1815 }
1816
1817 int
1818 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1819                        uint16_t nb_rx_desc, unsigned int socket_id,
1820                        const struct rte_eth_rxconf *rx_conf,
1821                        struct rte_mempool *mp)
1822 {
1823         int ret;
1824         uint32_t mbp_buf_size;
1825         struct rte_eth_dev *dev;
1826         struct rte_eth_dev_info dev_info;
1827         struct rte_eth_rxconf local_conf;
1828         void **rxq;
1829
1830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1831
1832         dev = &rte_eth_devices[port_id];
1833         if (rx_queue_id >= dev->data->nb_rx_queues) {
1834                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1835                 return -EINVAL;
1836         }
1837
1838         if (mp == NULL) {
1839                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1840                 return -EINVAL;
1841         }
1842
1843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1844
1845         /*
1846          * Check the size of the mbuf data buffer.
1847          * This value must be provided in the private data of the memory pool.
1848          * First check that the memory pool has a valid private data.
1849          */
1850         ret = rte_eth_dev_info_get(port_id, &dev_info);
1851         if (ret != 0)
1852                 return ret;
1853
1854         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1855                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1856                         mp->name, (int)mp->private_data_size,
1857                         (int)sizeof(struct rte_pktmbuf_pool_private));
1858                 return -ENOSPC;
1859         }
1860         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1861
1862         if (mbp_buf_size < dev_info.min_rx_bufsize + RTE_PKTMBUF_HEADROOM) {
1863                 RTE_ETHDEV_LOG(ERR,
1864                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1865                         mp->name, (int)mbp_buf_size,
1866                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1867                         (int)RTE_PKTMBUF_HEADROOM,
1868                         (int)dev_info.min_rx_bufsize);
1869                 return -EINVAL;
1870         }
1871
1872         /* Use default specified by driver, if nb_rx_desc is zero */
1873         if (nb_rx_desc == 0) {
1874                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1875                 /* If driver default is also zero, fall back on EAL default */
1876                 if (nb_rx_desc == 0)
1877                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1878         }
1879
1880         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1881                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1882                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1883
1884                 RTE_ETHDEV_LOG(ERR,
1885                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1886                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1887                         dev_info.rx_desc_lim.nb_min,
1888                         dev_info.rx_desc_lim.nb_align);
1889                 return -EINVAL;
1890         }
1891
1892         if (dev->data->dev_started &&
1893                 !(dev_info.dev_capa &
1894                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1895                 return -EBUSY;
1896
1897         if (dev->data->dev_started &&
1898                 (dev->data->rx_queue_state[rx_queue_id] !=
1899                         RTE_ETH_QUEUE_STATE_STOPPED))
1900                 return -EBUSY;
1901
1902         rxq = dev->data->rx_queues;
1903         if (rxq[rx_queue_id]) {
1904                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1905                                         -ENOTSUP);
1906                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1907                 rxq[rx_queue_id] = NULL;
1908         }
1909
1910         if (rx_conf == NULL)
1911                 rx_conf = &dev_info.default_rxconf;
1912
1913         local_conf = *rx_conf;
1914
1915         /*
1916          * If an offloading has already been enabled in
1917          * rte_eth_dev_configure(), it has been enabled on all queues,
1918          * so there is no need to enable it in this queue again.
1919          * The local_conf.offloads input to underlying PMD only carries
1920          * those offloadings which are only enabled on this queue and
1921          * not enabled on all queues.
1922          */
1923         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1924
1925         /*
1926          * New added offloadings for this queue are those not enabled in
1927          * rte_eth_dev_configure() and they must be per-queue type.
1928          * A pure per-port offloading can't be enabled on a queue while
1929          * disabled on another queue. A pure per-port offloading can't
1930          * be enabled for any queue as new added one if it hasn't been
1931          * enabled in rte_eth_dev_configure().
1932          */
1933         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1934              local_conf.offloads) {
1935                 RTE_ETHDEV_LOG(ERR,
1936                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1937                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1938                         port_id, rx_queue_id, local_conf.offloads,
1939                         dev_info.rx_queue_offload_capa,
1940                         __func__);
1941                 return -EINVAL;
1942         }
1943
1944         /*
1945          * If LRO is enabled, check that the maximum aggregated packet
1946          * size is supported by the configured device.
1947          */
1948         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1949                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
1950                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1951                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1952                 int ret = check_lro_pkt_size(port_id,
1953                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1954                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1955                                 dev_info.max_lro_pkt_size);
1956                 if (ret != 0)
1957                         return ret;
1958         }
1959
1960         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1961                                               socket_id, &local_conf, mp);
1962         if (!ret) {
1963                 if (!dev->data->min_rx_buf_size ||
1964                     dev->data->min_rx_buf_size > mbp_buf_size)
1965                         dev->data->min_rx_buf_size = mbp_buf_size;
1966         }
1967
1968         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
1969                 rx_conf, ret);
1970         return eth_err(port_id, ret);
1971 }
1972
1973 int
1974 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1975                                uint16_t nb_rx_desc,
1976                                const struct rte_eth_hairpin_conf *conf)
1977 {
1978         int ret;
1979         struct rte_eth_dev *dev;
1980         struct rte_eth_hairpin_cap cap;
1981         void **rxq;
1982         int i;
1983         int count;
1984
1985         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1986
1987         dev = &rte_eth_devices[port_id];
1988         if (rx_queue_id >= dev->data->nb_rx_queues) {
1989                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1990                 return -EINVAL;
1991         }
1992         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1993         if (ret != 0)
1994                 return ret;
1995         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
1996                                 -ENOTSUP);
1997         /* if nb_rx_desc is zero use max number of desc from the driver. */
1998         if (nb_rx_desc == 0)
1999                 nb_rx_desc = cap.max_nb_desc;
2000         if (nb_rx_desc > cap.max_nb_desc) {
2001                 RTE_ETHDEV_LOG(ERR,
2002                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2003                         nb_rx_desc, cap.max_nb_desc);
2004                 return -EINVAL;
2005         }
2006         if (conf->peer_count > cap.max_rx_2_tx) {
2007                 RTE_ETHDEV_LOG(ERR,
2008                         "Invalid value for number of peers for Rx queue(=%hu), should be: <= %hu",
2009                         conf->peer_count, cap.max_rx_2_tx);
2010                 return -EINVAL;
2011         }
2012         if (conf->peer_count == 0) {
2013                 RTE_ETHDEV_LOG(ERR,
2014                         "Invalid value for number of peers for Rx queue(=%hu), should be: > 0",
2015                         conf->peer_count);
2016                 return -EINVAL;
2017         }
2018         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2019              cap.max_nb_queues != UINT16_MAX; i++) {
2020                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2021                         count++;
2022         }
2023         if (count > cap.max_nb_queues) {
2024                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2025                 cap.max_nb_queues);
2026                 return -EINVAL;
2027         }
2028         if (dev->data->dev_started)
2029                 return -EBUSY;
2030         rxq = dev->data->rx_queues;
2031         if (rxq[rx_queue_id] != NULL) {
2032                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2033                                         -ENOTSUP);
2034                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2035                 rxq[rx_queue_id] = NULL;
2036         }
2037         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2038                                                       nb_rx_desc, conf);
2039         if (ret == 0)
2040                 dev->data->rx_queue_state[rx_queue_id] =
2041                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2042         return eth_err(port_id, ret);
2043 }
2044
2045 int
2046 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2047                        uint16_t nb_tx_desc, unsigned int socket_id,
2048                        const struct rte_eth_txconf *tx_conf)
2049 {
2050         struct rte_eth_dev *dev;
2051         struct rte_eth_dev_info dev_info;
2052         struct rte_eth_txconf local_conf;
2053         void **txq;
2054         int ret;
2055
2056         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2057
2058         dev = &rte_eth_devices[port_id];
2059         if (tx_queue_id >= dev->data->nb_tx_queues) {
2060                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2061                 return -EINVAL;
2062         }
2063
2064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2065
2066         ret = rte_eth_dev_info_get(port_id, &dev_info);
2067         if (ret != 0)
2068                 return ret;
2069
2070         /* Use default specified by driver, if nb_tx_desc is zero */
2071         if (nb_tx_desc == 0) {
2072                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2073                 /* If driver default is zero, fall back on EAL default */
2074                 if (nb_tx_desc == 0)
2075                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2076         }
2077         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2078             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2079             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2080                 RTE_ETHDEV_LOG(ERR,
2081                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2082                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2083                         dev_info.tx_desc_lim.nb_min,
2084                         dev_info.tx_desc_lim.nb_align);
2085                 return -EINVAL;
2086         }
2087
2088         if (dev->data->dev_started &&
2089                 !(dev_info.dev_capa &
2090                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2091                 return -EBUSY;
2092
2093         if (dev->data->dev_started &&
2094                 (dev->data->tx_queue_state[tx_queue_id] !=
2095                         RTE_ETH_QUEUE_STATE_STOPPED))
2096                 return -EBUSY;
2097
2098         txq = dev->data->tx_queues;
2099         if (txq[tx_queue_id]) {
2100                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2101                                         -ENOTSUP);
2102                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2103                 txq[tx_queue_id] = NULL;
2104         }
2105
2106         if (tx_conf == NULL)
2107                 tx_conf = &dev_info.default_txconf;
2108
2109         local_conf = *tx_conf;
2110
2111         /*
2112          * If an offloading has already been enabled in
2113          * rte_eth_dev_configure(), it has been enabled on all queues,
2114          * so there is no need to enable it in this queue again.
2115          * The local_conf.offloads input to underlying PMD only carries
2116          * those offloadings which are only enabled on this queue and
2117          * not enabled on all queues.
2118          */
2119         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2120
2121         /*
2122          * New added offloadings for this queue are those not enabled in
2123          * rte_eth_dev_configure() and they must be per-queue type.
2124          * A pure per-port offloading can't be enabled on a queue while
2125          * disabled on another queue. A pure per-port offloading can't
2126          * be enabled for any queue as new added one if it hasn't been
2127          * enabled in rte_eth_dev_configure().
2128          */
2129         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2130              local_conf.offloads) {
2131                 RTE_ETHDEV_LOG(ERR,
2132                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2133                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2134                         port_id, tx_queue_id, local_conf.offloads,
2135                         dev_info.tx_queue_offload_capa,
2136                         __func__);
2137                 return -EINVAL;
2138         }
2139
2140         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2141         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2142                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2143 }
2144
2145 int
2146 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2147                                uint16_t nb_tx_desc,
2148                                const struct rte_eth_hairpin_conf *conf)
2149 {
2150         struct rte_eth_dev *dev;
2151         struct rte_eth_hairpin_cap cap;
2152         void **txq;
2153         int i;
2154         int count;
2155         int ret;
2156
2157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2158         dev = &rte_eth_devices[port_id];
2159         if (tx_queue_id >= dev->data->nb_tx_queues) {
2160                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2161                 return -EINVAL;
2162         }
2163         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2164         if (ret != 0)
2165                 return ret;
2166         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2167                                 -ENOTSUP);
2168         /* if nb_rx_desc is zero use max number of desc from the driver. */
2169         if (nb_tx_desc == 0)
2170                 nb_tx_desc = cap.max_nb_desc;
2171         if (nb_tx_desc > cap.max_nb_desc) {
2172                 RTE_ETHDEV_LOG(ERR,
2173                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2174                         nb_tx_desc, cap.max_nb_desc);
2175                 return -EINVAL;
2176         }
2177         if (conf->peer_count > cap.max_tx_2_rx) {
2178                 RTE_ETHDEV_LOG(ERR,
2179                         "Invalid value for number of peers for Tx queue(=%hu), should be: <= %hu",
2180                         conf->peer_count, cap.max_tx_2_rx);
2181                 return -EINVAL;
2182         }
2183         if (conf->peer_count == 0) {
2184                 RTE_ETHDEV_LOG(ERR,
2185                         "Invalid value for number of peers for Tx queue(=%hu), should be: > 0",
2186                         conf->peer_count);
2187                 return -EINVAL;
2188         }
2189         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2190              cap.max_nb_queues != UINT16_MAX; i++) {
2191                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2192                         count++;
2193         }
2194         if (count > cap.max_nb_queues) {
2195                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2196                 cap.max_nb_queues);
2197                 return -EINVAL;
2198         }
2199         if (dev->data->dev_started)
2200                 return -EBUSY;
2201         txq = dev->data->tx_queues;
2202         if (txq[tx_queue_id] != NULL) {
2203                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2204                                         -ENOTSUP);
2205                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2206                 txq[tx_queue_id] = NULL;
2207         }
2208         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2209                 (dev, tx_queue_id, nb_tx_desc, conf);
2210         if (ret == 0)
2211                 dev->data->tx_queue_state[tx_queue_id] =
2212                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2213         return eth_err(port_id, ret);
2214 }
2215
2216 void
2217 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2218                 void *userdata __rte_unused)
2219 {
2220         rte_pktmbuf_free_bulk(pkts, unsent);
2221 }
2222
2223 void
2224 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2225                 void *userdata)
2226 {
2227         uint64_t *count = userdata;
2228
2229         rte_pktmbuf_free_bulk(pkts, unsent);
2230         *count += unsent;
2231 }
2232
2233 int
2234 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2235                 buffer_tx_error_fn cbfn, void *userdata)
2236 {
2237         buffer->error_callback = cbfn;
2238         buffer->error_userdata = userdata;
2239         return 0;
2240 }
2241
2242 int
2243 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2244 {
2245         int ret = 0;
2246
2247         if (buffer == NULL)
2248                 return -EINVAL;
2249
2250         buffer->size = size;
2251         if (buffer->error_callback == NULL) {
2252                 ret = rte_eth_tx_buffer_set_err_callback(
2253                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2254         }
2255
2256         return ret;
2257 }
2258
2259 int
2260 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2261 {
2262         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2263         int ret;
2264
2265         /* Validate Input Data. Bail if not valid or not supported. */
2266         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2268
2269         /* Call driver to free pending mbufs. */
2270         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2271                                                free_cnt);
2272         return eth_err(port_id, ret);
2273 }
2274
2275 int
2276 rte_eth_promiscuous_enable(uint16_t port_id)
2277 {
2278         struct rte_eth_dev *dev;
2279         int diag = 0;
2280
2281         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2282         dev = &rte_eth_devices[port_id];
2283
2284         if (dev->data->promiscuous == 1)
2285                 return 0;
2286
2287         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2288
2289         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2290         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2291
2292         return eth_err(port_id, diag);
2293 }
2294
2295 int
2296 rte_eth_promiscuous_disable(uint16_t port_id)
2297 {
2298         struct rte_eth_dev *dev;
2299         int diag = 0;
2300
2301         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2302         dev = &rte_eth_devices[port_id];
2303
2304         if (dev->data->promiscuous == 0)
2305                 return 0;
2306
2307         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2308
2309         dev->data->promiscuous = 0;
2310         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2311         if (diag != 0)
2312                 dev->data->promiscuous = 1;
2313
2314         return eth_err(port_id, diag);
2315 }
2316
2317 int
2318 rte_eth_promiscuous_get(uint16_t port_id)
2319 {
2320         struct rte_eth_dev *dev;
2321
2322         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2323
2324         dev = &rte_eth_devices[port_id];
2325         return dev->data->promiscuous;
2326 }
2327
2328 int
2329 rte_eth_allmulticast_enable(uint16_t port_id)
2330 {
2331         struct rte_eth_dev *dev;
2332         int diag;
2333
2334         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2335         dev = &rte_eth_devices[port_id];
2336
2337         if (dev->data->all_multicast == 1)
2338                 return 0;
2339
2340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2341         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2342         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2343
2344         return eth_err(port_id, diag);
2345 }
2346
2347 int
2348 rte_eth_allmulticast_disable(uint16_t port_id)
2349 {
2350         struct rte_eth_dev *dev;
2351         int diag;
2352
2353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2354         dev = &rte_eth_devices[port_id];
2355
2356         if (dev->data->all_multicast == 0)
2357                 return 0;
2358
2359         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2360         dev->data->all_multicast = 0;
2361         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2362         if (diag != 0)
2363                 dev->data->all_multicast = 1;
2364
2365         return eth_err(port_id, diag);
2366 }
2367
2368 int
2369 rte_eth_allmulticast_get(uint16_t port_id)
2370 {
2371         struct rte_eth_dev *dev;
2372
2373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2374
2375         dev = &rte_eth_devices[port_id];
2376         return dev->data->all_multicast;
2377 }
2378
2379 int
2380 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2381 {
2382         struct rte_eth_dev *dev;
2383
2384         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2385         dev = &rte_eth_devices[port_id];
2386
2387         if (dev->data->dev_conf.intr_conf.lsc &&
2388             dev->data->dev_started)
2389                 rte_eth_linkstatus_get(dev, eth_link);
2390         else {
2391                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2392                 (*dev->dev_ops->link_update)(dev, 1);
2393                 *eth_link = dev->data->dev_link;
2394         }
2395
2396         return 0;
2397 }
2398
2399 int
2400 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2401 {
2402         struct rte_eth_dev *dev;
2403
2404         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2405         dev = &rte_eth_devices[port_id];
2406
2407         if (dev->data->dev_conf.intr_conf.lsc &&
2408             dev->data->dev_started)
2409                 rte_eth_linkstatus_get(dev, eth_link);
2410         else {
2411                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2412                 (*dev->dev_ops->link_update)(dev, 0);
2413                 *eth_link = dev->data->dev_link;
2414         }
2415
2416         return 0;
2417 }
2418
2419 const char *
2420 rte_eth_link_speed_to_str(uint32_t link_speed)
2421 {
2422         switch (link_speed) {
2423         case ETH_SPEED_NUM_NONE: return "None";
2424         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2425         case ETH_SPEED_NUM_100M: return "100 Mbps";
2426         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2427         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2428         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2429         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2430         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2431         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2432         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2433         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2434         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2435         case ETH_SPEED_NUM_100G: return "100 Gbps";
2436         case ETH_SPEED_NUM_200G: return "200 Gbps";
2437         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2438         default: return "Invalid";
2439         }
2440 }
2441
2442 int
2443 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2444 {
2445         if (eth_link->link_status == ETH_LINK_DOWN)
2446                 return snprintf(str, len, "Link down");
2447         else
2448                 return snprintf(str, len, "Link up at %s %s %s",
2449                         rte_eth_link_speed_to_str(eth_link->link_speed),
2450                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2451                         "FDX" : "HDX",
2452                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2453                         "Autoneg" : "Fixed");
2454 }
2455
2456 int
2457 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2458 {
2459         struct rte_eth_dev *dev;
2460
2461         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2462
2463         dev = &rte_eth_devices[port_id];
2464         memset(stats, 0, sizeof(*stats));
2465
2466         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2467         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2468         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2469 }
2470
2471 int
2472 rte_eth_stats_reset(uint16_t port_id)
2473 {
2474         struct rte_eth_dev *dev;
2475         int ret;
2476
2477         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2478         dev = &rte_eth_devices[port_id];
2479
2480         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2481         ret = (*dev->dev_ops->stats_reset)(dev);
2482         if (ret != 0)
2483                 return eth_err(port_id, ret);
2484
2485         dev->data->rx_mbuf_alloc_failed = 0;
2486
2487         return 0;
2488 }
2489
2490 static inline int
2491 get_xstats_basic_count(struct rte_eth_dev *dev)
2492 {
2493         uint16_t nb_rxqs, nb_txqs;
2494         int count;
2495
2496         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2497         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2498
2499         count = RTE_NB_STATS;
2500         count += nb_rxqs * RTE_NB_RXQ_STATS;
2501         count += nb_txqs * RTE_NB_TXQ_STATS;
2502
2503         return count;
2504 }
2505
2506 static int
2507 get_xstats_count(uint16_t port_id)
2508 {
2509         struct rte_eth_dev *dev;
2510         int count;
2511
2512         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2513         dev = &rte_eth_devices[port_id];
2514         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2515                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2516                                 NULL, 0);
2517                 if (count < 0)
2518                         return eth_err(port_id, count);
2519         }
2520         if (dev->dev_ops->xstats_get_names != NULL) {
2521                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2522                 if (count < 0)
2523                         return eth_err(port_id, count);
2524         } else
2525                 count = 0;
2526
2527
2528         count += get_xstats_basic_count(dev);
2529
2530         return count;
2531 }
2532
2533 int
2534 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2535                 uint64_t *id)
2536 {
2537         int cnt_xstats, idx_xstat;
2538
2539         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2540
2541         if (!id) {
2542                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2543                 return -ENOMEM;
2544         }
2545
2546         if (!xstat_name) {
2547                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2548                 return -ENOMEM;
2549         }
2550
2551         /* Get count */
2552         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2553         if (cnt_xstats  < 0) {
2554                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2555                 return -ENODEV;
2556         }
2557
2558         /* Get id-name lookup table */
2559         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2560
2561         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2562                         port_id, xstats_names, cnt_xstats, NULL)) {
2563                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2564                 return -1;
2565         }
2566
2567         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2568                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2569                         *id = idx_xstat;
2570                         return 0;
2571                 };
2572         }
2573
2574         return -EINVAL;
2575 }
2576
2577 /* retrieve basic stats names */
2578 static int
2579 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2580         struct rte_eth_xstat_name *xstats_names)
2581 {
2582         int cnt_used_entries = 0;
2583         uint32_t idx, id_queue;
2584         uint16_t num_q;
2585
2586         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2587                 strlcpy(xstats_names[cnt_used_entries].name,
2588                         rte_stats_strings[idx].name,
2589                         sizeof(xstats_names[0].name));
2590                 cnt_used_entries++;
2591         }
2592         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2593         for (id_queue = 0; id_queue < num_q; id_queue++) {
2594                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2595                         snprintf(xstats_names[cnt_used_entries].name,
2596                                 sizeof(xstats_names[0].name),
2597                                 "rx_q%u_%s",
2598                                 id_queue, rte_rxq_stats_strings[idx].name);
2599                         cnt_used_entries++;
2600                 }
2601
2602         }
2603         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2604         for (id_queue = 0; id_queue < num_q; id_queue++) {
2605                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2606                         snprintf(xstats_names[cnt_used_entries].name,
2607                                 sizeof(xstats_names[0].name),
2608                                 "tx_q%u_%s",
2609                                 id_queue, rte_txq_stats_strings[idx].name);
2610                         cnt_used_entries++;
2611                 }
2612         }
2613         return cnt_used_entries;
2614 }
2615
2616 /* retrieve ethdev extended statistics names */
2617 int
2618 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2619         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2620         uint64_t *ids)
2621 {
2622         struct rte_eth_xstat_name *xstats_names_copy;
2623         unsigned int no_basic_stat_requested = 1;
2624         unsigned int no_ext_stat_requested = 1;
2625         unsigned int expected_entries;
2626         unsigned int basic_count;
2627         struct rte_eth_dev *dev;
2628         unsigned int i;
2629         int ret;
2630
2631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2632         dev = &rte_eth_devices[port_id];
2633
2634         basic_count = get_xstats_basic_count(dev);
2635         ret = get_xstats_count(port_id);
2636         if (ret < 0)
2637                 return ret;
2638         expected_entries = (unsigned int)ret;
2639
2640         /* Return max number of stats if no ids given */
2641         if (!ids) {
2642                 if (!xstats_names)
2643                         return expected_entries;
2644                 else if (xstats_names && size < expected_entries)
2645                         return expected_entries;
2646         }
2647
2648         if (ids && !xstats_names)
2649                 return -EINVAL;
2650
2651         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2652                 uint64_t ids_copy[size];
2653
2654                 for (i = 0; i < size; i++) {
2655                         if (ids[i] < basic_count) {
2656                                 no_basic_stat_requested = 0;
2657                                 break;
2658                         }
2659
2660                         /*
2661                          * Convert ids to xstats ids that PMD knows.
2662                          * ids known by user are basic + extended stats.
2663                          */
2664                         ids_copy[i] = ids[i] - basic_count;
2665                 }
2666
2667                 if (no_basic_stat_requested)
2668                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2669                                         xstats_names, ids_copy, size);
2670         }
2671
2672         /* Retrieve all stats */
2673         if (!ids) {
2674                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2675                                 expected_entries);
2676                 if (num_stats < 0 || num_stats > (int)expected_entries)
2677                         return num_stats;
2678                 else
2679                         return expected_entries;
2680         }
2681
2682         xstats_names_copy = calloc(expected_entries,
2683                 sizeof(struct rte_eth_xstat_name));
2684
2685         if (!xstats_names_copy) {
2686                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2687                 return -ENOMEM;
2688         }
2689
2690         if (ids) {
2691                 for (i = 0; i < size; i++) {
2692                         if (ids[i] >= basic_count) {
2693                                 no_ext_stat_requested = 0;
2694                                 break;
2695                         }
2696                 }
2697         }
2698
2699         /* Fill xstats_names_copy structure */
2700         if (ids && no_ext_stat_requested) {
2701                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2702         } else {
2703                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2704                         expected_entries);
2705                 if (ret < 0) {
2706                         free(xstats_names_copy);
2707                         return ret;
2708                 }
2709         }
2710
2711         /* Filter stats */
2712         for (i = 0; i < size; i++) {
2713                 if (ids[i] >= expected_entries) {
2714                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2715                         free(xstats_names_copy);
2716                         return -1;
2717                 }
2718                 xstats_names[i] = xstats_names_copy[ids[i]];
2719         }
2720
2721         free(xstats_names_copy);
2722         return size;
2723 }
2724
2725 int
2726 rte_eth_xstats_get_names(uint16_t port_id,
2727         struct rte_eth_xstat_name *xstats_names,
2728         unsigned int size)
2729 {
2730         struct rte_eth_dev *dev;
2731         int cnt_used_entries;
2732         int cnt_expected_entries;
2733         int cnt_driver_entries;
2734
2735         cnt_expected_entries = get_xstats_count(port_id);
2736         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2737                         (int)size < cnt_expected_entries)
2738                 return cnt_expected_entries;
2739
2740         /* port_id checked in get_xstats_count() */
2741         dev = &rte_eth_devices[port_id];
2742
2743         cnt_used_entries = rte_eth_basic_stats_get_names(
2744                 dev, xstats_names);
2745
2746         if (dev->dev_ops->xstats_get_names != NULL) {
2747                 /* If there are any driver-specific xstats, append them
2748                  * to end of list.
2749                  */
2750                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2751                         dev,
2752                         xstats_names + cnt_used_entries,
2753                         size - cnt_used_entries);
2754                 if (cnt_driver_entries < 0)
2755                         return eth_err(port_id, cnt_driver_entries);
2756                 cnt_used_entries += cnt_driver_entries;
2757         }
2758
2759         return cnt_used_entries;
2760 }
2761
2762
2763 static int
2764 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2765 {
2766         struct rte_eth_dev *dev;
2767         struct rte_eth_stats eth_stats;
2768         unsigned int count = 0, i, q;
2769         uint64_t val, *stats_ptr;
2770         uint16_t nb_rxqs, nb_txqs;
2771         int ret;
2772
2773         ret = rte_eth_stats_get(port_id, &eth_stats);
2774         if (ret < 0)
2775                 return ret;
2776
2777         dev = &rte_eth_devices[port_id];
2778
2779         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2780         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2781
2782         /* global stats */
2783         for (i = 0; i < RTE_NB_STATS; i++) {
2784                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2785                                         rte_stats_strings[i].offset);
2786                 val = *stats_ptr;
2787                 xstats[count++].value = val;
2788         }
2789
2790         /* per-rxq stats */
2791         for (q = 0; q < nb_rxqs; q++) {
2792                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2793                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2794                                         rte_rxq_stats_strings[i].offset +
2795                                         q * sizeof(uint64_t));
2796                         val = *stats_ptr;
2797                         xstats[count++].value = val;
2798                 }
2799         }
2800
2801         /* per-txq stats */
2802         for (q = 0; q < nb_txqs; q++) {
2803                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2804                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2805                                         rte_txq_stats_strings[i].offset +
2806                                         q * sizeof(uint64_t));
2807                         val = *stats_ptr;
2808                         xstats[count++].value = val;
2809                 }
2810         }
2811         return count;
2812 }
2813
2814 /* retrieve ethdev extended statistics */
2815 int
2816 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2817                          uint64_t *values, unsigned int size)
2818 {
2819         unsigned int no_basic_stat_requested = 1;
2820         unsigned int no_ext_stat_requested = 1;
2821         unsigned int num_xstats_filled;
2822         unsigned int basic_count;
2823         uint16_t expected_entries;
2824         struct rte_eth_dev *dev;
2825         unsigned int i;
2826         int ret;
2827
2828         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2829         ret = get_xstats_count(port_id);
2830         if (ret < 0)
2831                 return ret;
2832         expected_entries = (uint16_t)ret;
2833         struct rte_eth_xstat xstats[expected_entries];
2834         dev = &rte_eth_devices[port_id];
2835         basic_count = get_xstats_basic_count(dev);
2836
2837         /* Return max number of stats if no ids given */
2838         if (!ids) {
2839                 if (!values)
2840                         return expected_entries;
2841                 else if (values && size < expected_entries)
2842                         return expected_entries;
2843         }
2844
2845         if (ids && !values)
2846                 return -EINVAL;
2847
2848         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2849                 unsigned int basic_count = get_xstats_basic_count(dev);
2850                 uint64_t ids_copy[size];
2851
2852                 for (i = 0; i < size; i++) {
2853                         if (ids[i] < basic_count) {
2854                                 no_basic_stat_requested = 0;
2855                                 break;
2856                         }
2857
2858                         /*
2859                          * Convert ids to xstats ids that PMD knows.
2860                          * ids known by user are basic + extended stats.
2861                          */
2862                         ids_copy[i] = ids[i] - basic_count;
2863                 }
2864
2865                 if (no_basic_stat_requested)
2866                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2867                                         values, size);
2868         }
2869
2870         if (ids) {
2871                 for (i = 0; i < size; i++) {
2872                         if (ids[i] >= basic_count) {
2873                                 no_ext_stat_requested = 0;
2874                                 break;
2875                         }
2876                 }
2877         }
2878
2879         /* Fill the xstats structure */
2880         if (ids && no_ext_stat_requested)
2881                 ret = rte_eth_basic_stats_get(port_id, xstats);
2882         else
2883                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2884
2885         if (ret < 0)
2886                 return ret;
2887         num_xstats_filled = (unsigned int)ret;
2888
2889         /* Return all stats */
2890         if (!ids) {
2891                 for (i = 0; i < num_xstats_filled; i++)
2892                         values[i] = xstats[i].value;
2893                 return expected_entries;
2894         }
2895
2896         /* Filter stats */
2897         for (i = 0; i < size; i++) {
2898                 if (ids[i] >= expected_entries) {
2899                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2900                         return -1;
2901                 }
2902                 values[i] = xstats[ids[i]].value;
2903         }
2904         return size;
2905 }
2906
2907 int
2908 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2909         unsigned int n)
2910 {
2911         struct rte_eth_dev *dev;
2912         unsigned int count = 0, i;
2913         signed int xcount = 0;
2914         uint16_t nb_rxqs, nb_txqs;
2915         int ret;
2916
2917         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2918
2919         dev = &rte_eth_devices[port_id];
2920
2921         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2922         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2923
2924         /* Return generic statistics */
2925         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2926                 (nb_txqs * RTE_NB_TXQ_STATS);
2927
2928         /* implemented by the driver */
2929         if (dev->dev_ops->xstats_get != NULL) {
2930                 /* Retrieve the xstats from the driver at the end of the
2931                  * xstats struct.
2932                  */
2933                 xcount = (*dev->dev_ops->xstats_get)(dev,
2934                                      xstats ? xstats + count : NULL,
2935                                      (n > count) ? n - count : 0);
2936
2937                 if (xcount < 0)
2938                         return eth_err(port_id, xcount);
2939         }
2940
2941         if (n < count + xcount || xstats == NULL)
2942                 return count + xcount;
2943
2944         /* now fill the xstats structure */
2945         ret = rte_eth_basic_stats_get(port_id, xstats);
2946         if (ret < 0)
2947                 return ret;
2948         count = ret;
2949
2950         for (i = 0; i < count; i++)
2951                 xstats[i].id = i;
2952         /* add an offset to driver-specific stats */
2953         for ( ; i < count + xcount; i++)
2954                 xstats[i].id += count;
2955
2956         return count + xcount;
2957 }
2958
2959 /* reset ethdev extended statistics */
2960 int
2961 rte_eth_xstats_reset(uint16_t port_id)
2962 {
2963         struct rte_eth_dev *dev;
2964
2965         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2966         dev = &rte_eth_devices[port_id];
2967
2968         /* implemented by the driver */
2969         if (dev->dev_ops->xstats_reset != NULL)
2970                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2971
2972         /* fallback to default */
2973         return rte_eth_stats_reset(port_id);
2974 }
2975
2976 static int
2977 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2978                 uint8_t is_rx)
2979 {
2980         struct rte_eth_dev *dev;
2981
2982         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2983
2984         dev = &rte_eth_devices[port_id];
2985
2986         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2987
2988         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2989                 return -EINVAL;
2990
2991         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2992                 return -EINVAL;
2993
2994         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2995                 return -EINVAL;
2996
2997         return (*dev->dev_ops->queue_stats_mapping_set)
2998                         (dev, queue_id, stat_idx, is_rx);
2999 }
3000
3001
3002 int
3003 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3004                 uint8_t stat_idx)
3005 {
3006         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
3007                                                 stat_idx, STAT_QMAP_TX));
3008 }
3009
3010
3011 int
3012 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3013                 uint8_t stat_idx)
3014 {
3015         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
3016                                                 stat_idx, STAT_QMAP_RX));
3017 }
3018
3019 int
3020 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3021 {
3022         struct rte_eth_dev *dev;
3023
3024         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3025         dev = &rte_eth_devices[port_id];
3026
3027         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3028         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3029                                                         fw_version, fw_size));
3030 }
3031
3032 int
3033 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3034 {
3035         struct rte_eth_dev *dev;
3036         const struct rte_eth_desc_lim lim = {
3037                 .nb_max = UINT16_MAX,
3038                 .nb_min = 0,
3039                 .nb_align = 1,
3040                 .nb_seg_max = UINT16_MAX,
3041                 .nb_mtu_seg_max = UINT16_MAX,
3042         };
3043         int diag;
3044
3045         /*
3046          * Init dev_info before port_id check since caller does not have
3047          * return status and does not know if get is successful or not.
3048          */
3049         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3050         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3051
3052         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3053         dev = &rte_eth_devices[port_id];
3054
3055         dev_info->rx_desc_lim = lim;
3056         dev_info->tx_desc_lim = lim;
3057         dev_info->device = dev->device;
3058         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3059         dev_info->max_mtu = UINT16_MAX;
3060
3061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3062         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3063         if (diag != 0) {
3064                 /* Cleanup already filled in device information */
3065                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3066                 return eth_err(port_id, diag);
3067         }
3068
3069         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3070         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3071                         RTE_MAX_QUEUES_PER_PORT);
3072         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3073                         RTE_MAX_QUEUES_PER_PORT);
3074
3075         dev_info->driver_name = dev->device->driver->name;
3076         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3077         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3078
3079         dev_info->dev_flags = &dev->data->dev_flags;
3080
3081         return 0;
3082 }
3083
3084 int
3085 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3086                                  uint32_t *ptypes, int num)
3087 {
3088         int i, j;
3089         struct rte_eth_dev *dev;
3090         const uint32_t *all_ptypes;
3091
3092         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3093         dev = &rte_eth_devices[port_id];
3094         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3095         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3096
3097         if (!all_ptypes)
3098                 return 0;
3099
3100         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3101                 if (all_ptypes[i] & ptype_mask) {
3102                         if (j < num)
3103                                 ptypes[j] = all_ptypes[i];
3104                         j++;
3105                 }
3106
3107         return j;
3108 }
3109
3110 int
3111 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3112                                  uint32_t *set_ptypes, unsigned int num)
3113 {
3114         const uint32_t valid_ptype_masks[] = {
3115                 RTE_PTYPE_L2_MASK,
3116                 RTE_PTYPE_L3_MASK,
3117                 RTE_PTYPE_L4_MASK,
3118                 RTE_PTYPE_TUNNEL_MASK,
3119                 RTE_PTYPE_INNER_L2_MASK,
3120                 RTE_PTYPE_INNER_L3_MASK,
3121                 RTE_PTYPE_INNER_L4_MASK,
3122         };
3123         const uint32_t *all_ptypes;
3124         struct rte_eth_dev *dev;
3125         uint32_t unused_mask;
3126         unsigned int i, j;
3127         int ret;
3128
3129         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3130         dev = &rte_eth_devices[port_id];
3131
3132         if (num > 0 && set_ptypes == NULL)
3133                 return -EINVAL;
3134
3135         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3136                         *dev->dev_ops->dev_ptypes_set == NULL) {
3137                 ret = 0;
3138                 goto ptype_unknown;
3139         }
3140
3141         if (ptype_mask == 0) {
3142                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3143                                 ptype_mask);
3144                 goto ptype_unknown;
3145         }
3146
3147         unused_mask = ptype_mask;
3148         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3149                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3150                 if (mask && mask != valid_ptype_masks[i]) {
3151                         ret = -EINVAL;
3152                         goto ptype_unknown;
3153                 }
3154                 unused_mask &= ~valid_ptype_masks[i];
3155         }
3156
3157         if (unused_mask) {
3158                 ret = -EINVAL;
3159                 goto ptype_unknown;
3160         }
3161
3162         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3163         if (all_ptypes == NULL) {
3164                 ret = 0;
3165                 goto ptype_unknown;
3166         }
3167
3168         /*
3169          * Accommodate as many set_ptypes as possible. If the supplied
3170          * set_ptypes array is insufficient fill it partially.
3171          */
3172         for (i = 0, j = 0; set_ptypes != NULL &&
3173                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3174                 if (ptype_mask & all_ptypes[i]) {
3175                         if (j < num - 1) {
3176                                 set_ptypes[j] = all_ptypes[i];
3177                                 j++;
3178                                 continue;
3179                         }
3180                         break;
3181                 }
3182         }
3183
3184         if (set_ptypes != NULL && j < num)
3185                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3186
3187         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3188
3189 ptype_unknown:
3190         if (num > 0)
3191                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3192
3193         return ret;
3194 }
3195
3196 int
3197 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3198 {
3199         struct rte_eth_dev *dev;
3200
3201         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3202         dev = &rte_eth_devices[port_id];
3203         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3204
3205         return 0;
3206 }
3207
3208 int
3209 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3210 {
3211         struct rte_eth_dev *dev;
3212
3213         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3214
3215         dev = &rte_eth_devices[port_id];
3216         *mtu = dev->data->mtu;
3217         return 0;
3218 }
3219
3220 int
3221 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3222 {
3223         int ret;
3224         struct rte_eth_dev_info dev_info;
3225         struct rte_eth_dev *dev;
3226
3227         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3228         dev = &rte_eth_devices[port_id];
3229         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3230
3231         /*
3232          * Check if the device supports dev_infos_get, if it does not
3233          * skip min_mtu/max_mtu validation here as this requires values
3234          * that are populated within the call to rte_eth_dev_info_get()
3235          * which relies on dev->dev_ops->dev_infos_get.
3236          */
3237         if (*dev->dev_ops->dev_infos_get != NULL) {
3238                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3239                 if (ret != 0)
3240                         return ret;
3241
3242                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3243                         return -EINVAL;
3244         }
3245
3246         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3247         if (!ret)
3248                 dev->data->mtu = mtu;
3249
3250         return eth_err(port_id, ret);
3251 }
3252
3253 int
3254 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3255 {
3256         struct rte_eth_dev *dev;
3257         int ret;
3258
3259         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3260         dev = &rte_eth_devices[port_id];
3261         if (!(dev->data->dev_conf.rxmode.offloads &
3262               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3263                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3264                         port_id);
3265                 return -ENOSYS;
3266         }
3267
3268         if (vlan_id > 4095) {
3269                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3270                         port_id, vlan_id);
3271                 return -EINVAL;
3272         }
3273         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3274
3275         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3276         if (ret == 0) {
3277                 struct rte_vlan_filter_conf *vfc;
3278                 int vidx;
3279                 int vbit;
3280
3281                 vfc = &dev->data->vlan_filter_conf;
3282                 vidx = vlan_id / 64;
3283                 vbit = vlan_id % 64;
3284
3285                 if (on)
3286                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3287                 else
3288                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3289         }
3290
3291         return eth_err(port_id, ret);
3292 }
3293
3294 int
3295 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3296                                     int on)
3297 {
3298         struct rte_eth_dev *dev;
3299
3300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3301         dev = &rte_eth_devices[port_id];
3302         if (rx_queue_id >= dev->data->nb_rx_queues) {
3303                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3304                 return -EINVAL;
3305         }
3306
3307         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3308         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3309
3310         return 0;
3311 }
3312
3313 int
3314 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3315                                 enum rte_vlan_type vlan_type,
3316                                 uint16_t tpid)
3317 {
3318         struct rte_eth_dev *dev;
3319
3320         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3321         dev = &rte_eth_devices[port_id];
3322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3323
3324         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3325                                                                tpid));
3326 }
3327
3328 int
3329 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3330 {
3331         struct rte_eth_dev_info dev_info;
3332         struct rte_eth_dev *dev;
3333         int ret = 0;
3334         int mask = 0;
3335         int cur, org = 0;
3336         uint64_t orig_offloads;
3337         uint64_t dev_offloads;
3338         uint64_t new_offloads;
3339
3340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3341         dev = &rte_eth_devices[port_id];
3342
3343         /* save original values in case of failure */
3344         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3345         dev_offloads = orig_offloads;
3346
3347         /* check which option changed by application */
3348         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3349         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3350         if (cur != org) {
3351                 if (cur)
3352                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3353                 else
3354                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3355                 mask |= ETH_VLAN_STRIP_MASK;
3356         }
3357
3358         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3359         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3360         if (cur != org) {
3361                 if (cur)
3362                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3363                 else
3364                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3365                 mask |= ETH_VLAN_FILTER_MASK;
3366         }
3367
3368         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3369         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3370         if (cur != org) {
3371                 if (cur)
3372                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3373                 else
3374                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3375                 mask |= ETH_VLAN_EXTEND_MASK;
3376         }
3377
3378         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3379         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3380         if (cur != org) {
3381                 if (cur)
3382                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3383                 else
3384                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3385                 mask |= ETH_QINQ_STRIP_MASK;
3386         }
3387
3388         /*no change*/
3389         if (mask == 0)
3390                 return ret;
3391
3392         ret = rte_eth_dev_info_get(port_id, &dev_info);
3393         if (ret != 0)
3394                 return ret;
3395
3396         /* Rx VLAN offloading must be within its device capabilities */
3397         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3398                 new_offloads = dev_offloads & ~orig_offloads;
3399                 RTE_ETHDEV_LOG(ERR,
3400                         "Ethdev port_id=%u requested new added VLAN offloads "
3401                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3402                         "0x%" PRIx64 " in %s()\n",
3403                         port_id, new_offloads, dev_info.rx_offload_capa,
3404                         __func__);
3405                 return -EINVAL;
3406         }
3407
3408         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3409         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3410         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3411         if (ret) {
3412                 /* hit an error restore  original values */
3413                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3414         }
3415
3416         return eth_err(port_id, ret);
3417 }
3418
3419 int
3420 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3421 {
3422         struct rte_eth_dev *dev;
3423         uint64_t *dev_offloads;
3424         int ret = 0;
3425
3426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3427         dev = &rte_eth_devices[port_id];
3428         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3429
3430         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3431                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3432
3433         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3434                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3435
3436         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3437                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3438
3439         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3440                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3441
3442         return ret;
3443 }
3444
3445 int
3446 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3447 {
3448         struct rte_eth_dev *dev;
3449
3450         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3451         dev = &rte_eth_devices[port_id];
3452         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3453
3454         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3455 }
3456
3457 int
3458 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3459 {
3460         struct rte_eth_dev *dev;
3461
3462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3463         dev = &rte_eth_devices[port_id];
3464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3465         memset(fc_conf, 0, sizeof(*fc_conf));
3466         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3467 }
3468
3469 int
3470 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3471 {
3472         struct rte_eth_dev *dev;
3473
3474         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3475         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3476                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3477                 return -EINVAL;
3478         }
3479
3480         dev = &rte_eth_devices[port_id];
3481         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3482         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3483 }
3484
3485 int
3486 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3487                                    struct rte_eth_pfc_conf *pfc_conf)
3488 {
3489         struct rte_eth_dev *dev;
3490
3491         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3492         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3493                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3494                 return -EINVAL;
3495         }
3496
3497         dev = &rte_eth_devices[port_id];
3498         /* High water, low water validation are device specific */
3499         if  (*dev->dev_ops->priority_flow_ctrl_set)
3500                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3501                                         (dev, pfc_conf));
3502         return -ENOTSUP;
3503 }
3504
3505 static int
3506 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3507                         uint16_t reta_size)
3508 {
3509         uint16_t i, num;
3510
3511         if (!reta_conf)
3512                 return -EINVAL;
3513
3514         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3515         for (i = 0; i < num; i++) {
3516                 if (reta_conf[i].mask)
3517                         return 0;
3518         }
3519
3520         return -EINVAL;
3521 }
3522
3523 static int
3524 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3525                          uint16_t reta_size,
3526                          uint16_t max_rxq)
3527 {
3528         uint16_t i, idx, shift;
3529
3530         if (!reta_conf)
3531                 return -EINVAL;
3532
3533         if (max_rxq == 0) {
3534                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3535                 return -EINVAL;
3536         }
3537
3538         for (i = 0; i < reta_size; i++) {
3539                 idx = i / RTE_RETA_GROUP_SIZE;
3540                 shift = i % RTE_RETA_GROUP_SIZE;
3541                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3542                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3543                         RTE_ETHDEV_LOG(ERR,
3544                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3545                                 idx, shift,
3546                                 reta_conf[idx].reta[shift], max_rxq);
3547                         return -EINVAL;
3548                 }
3549         }
3550
3551         return 0;
3552 }
3553
3554 int
3555 rte_eth_dev_rss_reta_update(uint16_t port_id,
3556                             struct rte_eth_rss_reta_entry64 *reta_conf,
3557                             uint16_t reta_size)
3558 {
3559         struct rte_eth_dev *dev;
3560         int ret;
3561
3562         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3563         /* Check mask bits */
3564         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3565         if (ret < 0)
3566                 return ret;
3567
3568         dev = &rte_eth_devices[port_id];
3569
3570         /* Check entry value */
3571         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3572                                 dev->data->nb_rx_queues);
3573         if (ret < 0)
3574                 return ret;
3575
3576         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3577         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3578                                                              reta_size));
3579 }
3580
3581 int
3582 rte_eth_dev_rss_reta_query(uint16_t port_id,
3583                            struct rte_eth_rss_reta_entry64 *reta_conf,
3584                            uint16_t reta_size)
3585 {
3586         struct rte_eth_dev *dev;
3587         int ret;
3588
3589         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3590
3591         /* Check mask bits */
3592         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3593         if (ret < 0)
3594                 return ret;
3595
3596         dev = &rte_eth_devices[port_id];
3597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3598         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3599                                                             reta_size));
3600 }
3601
3602 int
3603 rte_eth_dev_rss_hash_update(uint16_t port_id,
3604                             struct rte_eth_rss_conf *rss_conf)
3605 {
3606         struct rte_eth_dev *dev;
3607         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3608         int ret;
3609
3610         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3611
3612         ret = rte_eth_dev_info_get(port_id, &dev_info);
3613         if (ret != 0)
3614                 return ret;
3615
3616         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3617
3618         dev = &rte_eth_devices[port_id];
3619         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3620             dev_info.flow_type_rss_offloads) {
3621                 RTE_ETHDEV_LOG(ERR,
3622                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3623                         port_id, rss_conf->rss_hf,
3624                         dev_info.flow_type_rss_offloads);
3625                 return -EINVAL;
3626         }
3627         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3628         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3629                                                                  rss_conf));
3630 }
3631
3632 int
3633 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3634                               struct rte_eth_rss_conf *rss_conf)
3635 {
3636         struct rte_eth_dev *dev;
3637
3638         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3639         dev = &rte_eth_devices[port_id];
3640         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3641         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3642                                                                    rss_conf));
3643 }
3644
3645 int
3646 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3647                                 struct rte_eth_udp_tunnel *udp_tunnel)
3648 {
3649         struct rte_eth_dev *dev;
3650
3651         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3652         if (udp_tunnel == NULL) {
3653                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3654                 return -EINVAL;
3655         }
3656
3657         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3658                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3659                 return -EINVAL;
3660         }
3661
3662         dev = &rte_eth_devices[port_id];
3663         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3664         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3665                                                                 udp_tunnel));
3666 }
3667
3668 int
3669 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3670                                    struct rte_eth_udp_tunnel *udp_tunnel)
3671 {
3672         struct rte_eth_dev *dev;
3673
3674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3675         dev = &rte_eth_devices[port_id];
3676
3677         if (udp_tunnel == NULL) {
3678                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3679                 return -EINVAL;
3680         }
3681
3682         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3683                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3684                 return -EINVAL;
3685         }
3686
3687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3688         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3689                                                                 udp_tunnel));
3690 }
3691
3692 int
3693 rte_eth_led_on(uint16_t port_id)
3694 {
3695         struct rte_eth_dev *dev;
3696
3697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3698         dev = &rte_eth_devices[port_id];
3699         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3700         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3701 }
3702
3703 int
3704 rte_eth_led_off(uint16_t port_id)
3705 {
3706         struct rte_eth_dev *dev;
3707
3708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3709         dev = &rte_eth_devices[port_id];
3710         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3711         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3712 }
3713
3714 int
3715 rte_eth_fec_get_capability(uint16_t port_id,
3716                            struct rte_eth_fec_capa *speed_fec_capa,
3717                            unsigned int num)
3718 {
3719         struct rte_eth_dev *dev;
3720         int ret;
3721
3722         if (speed_fec_capa == NULL && num > 0)
3723                 return -EINVAL;
3724
3725         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3726         dev = &rte_eth_devices[port_id];
3727         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
3728         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
3729
3730         return ret;
3731 }
3732
3733 int
3734 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
3735 {
3736         struct rte_eth_dev *dev;
3737
3738         if (fec_capa == NULL)
3739                 return -EINVAL;
3740
3741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3742         dev = &rte_eth_devices[port_id];
3743         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
3744         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
3745 }
3746
3747 int
3748 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
3749 {
3750         struct rte_eth_dev *dev;
3751
3752         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3753         dev = &rte_eth_devices[port_id];
3754         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
3755         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
3756 }
3757
3758 /*
3759  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3760  * an empty spot.
3761  */
3762 static int
3763 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3764 {
3765         struct rte_eth_dev_info dev_info;
3766         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3767         unsigned i;
3768         int ret;
3769
3770         ret = rte_eth_dev_info_get(port_id, &dev_info);
3771         if (ret != 0)
3772                 return -1;
3773
3774         for (i = 0; i < dev_info.max_mac_addrs; i++)
3775                 if (memcmp(addr, &dev->data->mac_addrs[i],
3776                                 RTE_ETHER_ADDR_LEN) == 0)
3777                         return i;
3778
3779         return -1;
3780 }
3781
3782 static const struct rte_ether_addr null_mac_addr;
3783
3784 int
3785 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3786                         uint32_t pool)
3787 {
3788         struct rte_eth_dev *dev;
3789         int index;
3790         uint64_t pool_mask;
3791         int ret;
3792
3793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3794         dev = &rte_eth_devices[port_id];
3795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3796
3797         if (rte_is_zero_ether_addr(addr)) {
3798                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3799                         port_id);
3800                 return -EINVAL;
3801         }
3802         if (pool >= ETH_64_POOLS) {
3803                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3804                 return -EINVAL;
3805         }
3806
3807         index = get_mac_addr_index(port_id, addr);
3808         if (index < 0) {
3809                 index = get_mac_addr_index(port_id, &null_mac_addr);
3810                 if (index < 0) {
3811                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3812                                 port_id);
3813                         return -ENOSPC;
3814                 }
3815         } else {
3816                 pool_mask = dev->data->mac_pool_sel[index];
3817
3818                 /* Check if both MAC address and pool is already there, and do nothing */
3819                 if (pool_mask & (1ULL << pool))
3820                         return 0;
3821         }
3822
3823         /* Update NIC */
3824         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3825
3826         if (ret == 0) {
3827                 /* Update address in NIC data structure */
3828                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3829
3830                 /* Update pool bitmap in NIC data structure */
3831                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3832         }
3833
3834         return eth_err(port_id, ret);
3835 }
3836
3837 int
3838 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3839 {
3840         struct rte_eth_dev *dev;
3841         int index;
3842
3843         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3844         dev = &rte_eth_devices[port_id];
3845         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3846
3847         index = get_mac_addr_index(port_id, addr);
3848         if (index == 0) {
3849                 RTE_ETHDEV_LOG(ERR,
3850                         "Port %u: Cannot remove default MAC address\n",
3851                         port_id);
3852                 return -EADDRINUSE;
3853         } else if (index < 0)
3854                 return 0;  /* Do nothing if address wasn't found */
3855
3856         /* Update NIC */
3857         (*dev->dev_ops->mac_addr_remove)(dev, index);
3858
3859         /* Update address in NIC data structure */
3860         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3861
3862         /* reset pool bitmap */
3863         dev->data->mac_pool_sel[index] = 0;
3864
3865         return 0;
3866 }
3867
3868 int
3869 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3870 {
3871         struct rte_eth_dev *dev;
3872         int ret;
3873
3874         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3875
3876         if (!rte_is_valid_assigned_ether_addr(addr))
3877                 return -EINVAL;
3878
3879         dev = &rte_eth_devices[port_id];
3880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3881
3882         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3883         if (ret < 0)
3884                 return ret;
3885
3886         /* Update default address in NIC data structure */
3887         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3888
3889         return 0;
3890 }
3891
3892
3893 /*
3894  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3895  * an empty spot.
3896  */
3897 static int
3898 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3899 {
3900         struct rte_eth_dev_info dev_info;
3901         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3902         unsigned i;
3903         int ret;
3904
3905         ret = rte_eth_dev_info_get(port_id, &dev_info);
3906         if (ret != 0)
3907                 return -1;
3908
3909         if (!dev->data->hash_mac_addrs)
3910                 return -1;
3911
3912         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3913                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3914                         RTE_ETHER_ADDR_LEN) == 0)
3915                         return i;
3916
3917         return -1;
3918 }
3919
3920 int
3921 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3922                                 uint8_t on)
3923 {
3924         int index;
3925         int ret;
3926         struct rte_eth_dev *dev;
3927
3928         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3929
3930         dev = &rte_eth_devices[port_id];
3931         if (rte_is_zero_ether_addr(addr)) {
3932                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3933                         port_id);
3934                 return -EINVAL;
3935         }
3936
3937         index = get_hash_mac_addr_index(port_id, addr);
3938         /* Check if it's already there, and do nothing */
3939         if ((index >= 0) && on)
3940                 return 0;
3941
3942         if (index < 0) {
3943                 if (!on) {
3944                         RTE_ETHDEV_LOG(ERR,
3945                                 "Port %u: the MAC address was not set in UTA\n",
3946                                 port_id);
3947                         return -EINVAL;
3948                 }
3949
3950                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3951                 if (index < 0) {
3952                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3953                                 port_id);
3954                         return -ENOSPC;
3955                 }
3956         }
3957
3958         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3959         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3960         if (ret == 0) {
3961                 /* Update address in NIC data structure */
3962                 if (on)
3963                         rte_ether_addr_copy(addr,
3964                                         &dev->data->hash_mac_addrs[index]);
3965                 else
3966                         rte_ether_addr_copy(&null_mac_addr,
3967                                         &dev->data->hash_mac_addrs[index]);
3968         }
3969
3970         return eth_err(port_id, ret);
3971 }
3972
3973 int
3974 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3975 {
3976         struct rte_eth_dev *dev;
3977
3978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3979
3980         dev = &rte_eth_devices[port_id];
3981
3982         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3983         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3984                                                                        on));
3985 }
3986
3987 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3988                                         uint16_t tx_rate)
3989 {
3990         struct rte_eth_dev *dev;
3991         struct rte_eth_dev_info dev_info;
3992         struct rte_eth_link link;
3993         int ret;
3994
3995         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3996
3997         ret = rte_eth_dev_info_get(port_id, &dev_info);
3998         if (ret != 0)
3999                 return ret;
4000
4001         dev = &rte_eth_devices[port_id];
4002         link = dev->data->dev_link;
4003
4004         if (queue_idx > dev_info.max_tx_queues) {
4005                 RTE_ETHDEV_LOG(ERR,
4006                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4007                         port_id, queue_idx);
4008                 return -EINVAL;
4009         }
4010
4011         if (tx_rate > link.link_speed) {
4012                 RTE_ETHDEV_LOG(ERR,
4013                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4014                         tx_rate, link.link_speed);
4015                 return -EINVAL;
4016         }
4017
4018         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4019         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4020                                                         queue_idx, tx_rate));
4021 }
4022
4023 int
4024 rte_eth_mirror_rule_set(uint16_t port_id,
4025                         struct rte_eth_mirror_conf *mirror_conf,
4026                         uint8_t rule_id, uint8_t on)
4027 {
4028         struct rte_eth_dev *dev;
4029
4030         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4031         if (mirror_conf->rule_type == 0) {
4032                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
4033                 return -EINVAL;
4034         }
4035
4036         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
4037                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
4038                         ETH_64_POOLS - 1);
4039                 return -EINVAL;
4040         }
4041
4042         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
4043              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
4044             (mirror_conf->pool_mask == 0)) {
4045                 RTE_ETHDEV_LOG(ERR,
4046                         "Invalid mirror pool, pool mask can not be 0\n");
4047                 return -EINVAL;
4048         }
4049
4050         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
4051             mirror_conf->vlan.vlan_mask == 0) {
4052                 RTE_ETHDEV_LOG(ERR,
4053                         "Invalid vlan mask, vlan mask can not be 0\n");
4054                 return -EINVAL;
4055         }
4056
4057         dev = &rte_eth_devices[port_id];
4058         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
4059
4060         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
4061                                                 mirror_conf, rule_id, on));
4062 }
4063
4064 int
4065 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
4066 {
4067         struct rte_eth_dev *dev;
4068
4069         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4070
4071         dev = &rte_eth_devices[port_id];
4072         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
4073
4074         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
4075                                                                    rule_id));
4076 }
4077
4078 RTE_INIT(eth_dev_init_cb_lists)
4079 {
4080         int i;
4081
4082         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4083                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4084 }
4085
4086 int
4087 rte_eth_dev_callback_register(uint16_t port_id,
4088                         enum rte_eth_event_type event,
4089                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4090 {
4091         struct rte_eth_dev *dev;
4092         struct rte_eth_dev_callback *user_cb;
4093         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
4094         uint16_t last_port;
4095
4096         if (!cb_fn)
4097                 return -EINVAL;
4098
4099         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4100                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4101                 return -EINVAL;
4102         }
4103
4104         if (port_id == RTE_ETH_ALL) {
4105                 next_port = 0;
4106                 last_port = RTE_MAX_ETHPORTS - 1;
4107         } else {
4108                 next_port = last_port = port_id;
4109         }
4110
4111         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4112
4113         do {
4114                 dev = &rte_eth_devices[next_port];
4115
4116                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4117                         if (user_cb->cb_fn == cb_fn &&
4118                                 user_cb->cb_arg == cb_arg &&
4119                                 user_cb->event == event) {
4120                                 break;
4121                         }
4122                 }
4123
4124                 /* create a new callback. */
4125                 if (user_cb == NULL) {
4126                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4127                                 sizeof(struct rte_eth_dev_callback), 0);
4128                         if (user_cb != NULL) {
4129                                 user_cb->cb_fn = cb_fn;
4130                                 user_cb->cb_arg = cb_arg;
4131                                 user_cb->event = event;
4132                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4133                                                   user_cb, next);
4134                         } else {
4135                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4136                                 rte_eth_dev_callback_unregister(port_id, event,
4137                                                                 cb_fn, cb_arg);
4138                                 return -ENOMEM;
4139                         }
4140
4141                 }
4142         } while (++next_port <= last_port);
4143
4144         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4145         return 0;
4146 }
4147
4148 int
4149 rte_eth_dev_callback_unregister(uint16_t port_id,
4150                         enum rte_eth_event_type event,
4151                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4152 {
4153         int ret;
4154         struct rte_eth_dev *dev;
4155         struct rte_eth_dev_callback *cb, *next;
4156         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
4157         uint16_t last_port;
4158
4159         if (!cb_fn)
4160                 return -EINVAL;
4161
4162         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4163                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4164                 return -EINVAL;
4165         }
4166
4167         if (port_id == RTE_ETH_ALL) {
4168                 next_port = 0;
4169                 last_port = RTE_MAX_ETHPORTS - 1;
4170         } else {
4171                 next_port = last_port = port_id;
4172         }
4173
4174         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4175
4176         do {
4177                 dev = &rte_eth_devices[next_port];
4178                 ret = 0;
4179                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4180                      cb = next) {
4181
4182                         next = TAILQ_NEXT(cb, next);
4183
4184                         if (cb->cb_fn != cb_fn || cb->event != event ||
4185                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4186                                 continue;
4187
4188                         /*
4189                          * if this callback is not executing right now,
4190                          * then remove it.
4191                          */
4192                         if (cb->active == 0) {
4193                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4194                                 rte_free(cb);
4195                         } else {
4196                                 ret = -EAGAIN;
4197                         }
4198                 }
4199         } while (++next_port <= last_port);
4200
4201         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4202         return ret;
4203 }
4204
4205 int
4206 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4207         enum rte_eth_event_type event, void *ret_param)
4208 {
4209         struct rte_eth_dev_callback *cb_lst;
4210         struct rte_eth_dev_callback dev_cb;
4211         int rc = 0;
4212
4213         rte_spinlock_lock(&rte_eth_dev_cb_lock);
4214         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4215                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4216                         continue;
4217                 dev_cb = *cb_lst;
4218                 cb_lst->active = 1;
4219                 if (ret_param != NULL)
4220                         dev_cb.ret_param = ret_param;
4221
4222                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4223                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4224                                 dev_cb.cb_arg, dev_cb.ret_param);
4225                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
4226                 cb_lst->active = 0;
4227         }
4228         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
4229         return rc;
4230 }
4231
4232 void
4233 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4234 {
4235         if (dev == NULL)
4236                 return;
4237
4238         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4239
4240         dev->state = RTE_ETH_DEV_ATTACHED;
4241 }
4242
4243 int
4244 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4245 {
4246         uint32_t vec;
4247         struct rte_eth_dev *dev;
4248         struct rte_intr_handle *intr_handle;
4249         uint16_t qid;
4250         int rc;
4251
4252         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4253
4254         dev = &rte_eth_devices[port_id];
4255
4256         if (!dev->intr_handle) {
4257                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4258                 return -ENOTSUP;
4259         }
4260
4261         intr_handle = dev->intr_handle;
4262         if (!intr_handle->intr_vec) {
4263                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4264                 return -EPERM;
4265         }
4266
4267         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4268                 vec = intr_handle->intr_vec[qid];
4269                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4270                 if (rc && rc != -EEXIST) {
4271                         RTE_ETHDEV_LOG(ERR,
4272                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4273                                 port_id, qid, op, epfd, vec);
4274                 }
4275         }
4276
4277         return 0;
4278 }
4279
4280 int
4281 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4282 {
4283         struct rte_intr_handle *intr_handle;
4284         struct rte_eth_dev *dev;
4285         unsigned int efd_idx;
4286         uint32_t vec;
4287         int fd;
4288
4289         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4290
4291         dev = &rte_eth_devices[port_id];
4292
4293         if (queue_id >= dev->data->nb_rx_queues) {
4294                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4295                 return -1;
4296         }
4297
4298         if (!dev->intr_handle) {
4299                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4300                 return -1;
4301         }
4302
4303         intr_handle = dev->intr_handle;
4304         if (!intr_handle->intr_vec) {
4305                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4306                 return -1;
4307         }
4308
4309         vec = intr_handle->intr_vec[queue_id];
4310         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4311                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4312         fd = intr_handle->efds[efd_idx];
4313
4314         return fd;
4315 }
4316
4317 static inline int
4318 eth_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4319                 const char *ring_name)
4320 {
4321         return snprintf(name, len, "eth_p%d_q%d_%s",
4322                         port_id, queue_id, ring_name);
4323 }
4324
4325 const struct rte_memzone *
4326 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4327                          uint16_t queue_id, size_t size, unsigned align,
4328                          int socket_id)
4329 {
4330         char z_name[RTE_MEMZONE_NAMESIZE];
4331         const struct rte_memzone *mz;
4332         int rc;
4333
4334         rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4335                         queue_id, ring_name);
4336         if (rc >= RTE_MEMZONE_NAMESIZE) {
4337                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4338                 rte_errno = ENAMETOOLONG;
4339                 return NULL;
4340         }
4341
4342         mz = rte_memzone_lookup(z_name);
4343         if (mz) {
4344                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4345                                 size > mz->len ||
4346                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4347                         RTE_ETHDEV_LOG(ERR,
4348                                 "memzone %s does not justify the requested attributes\n",
4349                                 mz->name);
4350                         return NULL;
4351                 }
4352
4353                 return mz;
4354         }
4355
4356         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4357                         RTE_MEMZONE_IOVA_CONTIG, align);
4358 }
4359
4360 int
4361 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4362                 uint16_t queue_id)
4363 {
4364         char z_name[RTE_MEMZONE_NAMESIZE];
4365         const struct rte_memzone *mz;
4366         int rc = 0;
4367
4368         rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4369                         queue_id, ring_name);
4370         if (rc >= RTE_MEMZONE_NAMESIZE) {
4371                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4372                 return -ENAMETOOLONG;
4373         }
4374
4375         mz = rte_memzone_lookup(z_name);
4376         if (mz)
4377                 rc = rte_memzone_free(mz);
4378         else
4379                 rc = -ENOENT;
4380
4381         return rc;
4382 }
4383
4384 int
4385 rte_eth_dev_create(struct rte_device *device, const char *name,
4386         size_t priv_data_size,
4387         ethdev_bus_specific_init ethdev_bus_specific_init,
4388         void *bus_init_params,
4389         ethdev_init_t ethdev_init, void *init_params)
4390 {
4391         struct rte_eth_dev *ethdev;
4392         int retval;
4393
4394         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4395
4396         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4397                 ethdev = rte_eth_dev_allocate(name);
4398                 if (!ethdev)
4399                         return -ENODEV;
4400
4401                 if (priv_data_size) {
4402                         ethdev->data->dev_private = rte_zmalloc_socket(
4403                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4404                                 device->numa_node);
4405
4406                         if (!ethdev->data->dev_private) {
4407                                 RTE_ETHDEV_LOG(ERR,
4408                                         "failed to allocate private data\n");
4409                                 retval = -ENOMEM;
4410                                 goto probe_failed;
4411                         }
4412                 }
4413         } else {
4414                 ethdev = rte_eth_dev_attach_secondary(name);
4415                 if (!ethdev) {
4416                         RTE_ETHDEV_LOG(ERR,
4417                                 "secondary process attach failed, ethdev doesn't exist\n");
4418                         return  -ENODEV;
4419                 }
4420         }
4421
4422         ethdev->device = device;
4423
4424         if (ethdev_bus_specific_init) {
4425                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4426                 if (retval) {
4427                         RTE_ETHDEV_LOG(ERR,
4428                                 "ethdev bus specific initialisation failed\n");
4429                         goto probe_failed;
4430                 }
4431         }
4432
4433         retval = ethdev_init(ethdev, init_params);
4434         if (retval) {
4435                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4436                 goto probe_failed;
4437         }
4438
4439         rte_eth_dev_probing_finish(ethdev);
4440
4441         return retval;
4442
4443 probe_failed:
4444         rte_eth_dev_release_port(ethdev);
4445         return retval;
4446 }
4447
4448 int
4449 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4450         ethdev_uninit_t ethdev_uninit)
4451 {
4452         int ret;
4453
4454         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4455         if (!ethdev)
4456                 return -ENODEV;
4457
4458         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4459
4460         ret = ethdev_uninit(ethdev);
4461         if (ret)
4462                 return ret;
4463
4464         return rte_eth_dev_release_port(ethdev);
4465 }
4466
4467 int
4468 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4469                           int epfd, int op, void *data)
4470 {
4471         uint32_t vec;
4472         struct rte_eth_dev *dev;
4473         struct rte_intr_handle *intr_handle;
4474         int rc;
4475
4476         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4477
4478         dev = &rte_eth_devices[port_id];
4479         if (queue_id >= dev->data->nb_rx_queues) {
4480                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4481                 return -EINVAL;
4482         }
4483
4484         if (!dev->intr_handle) {
4485                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4486                 return -ENOTSUP;
4487         }
4488
4489         intr_handle = dev->intr_handle;
4490         if (!intr_handle->intr_vec) {
4491                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4492                 return -EPERM;
4493         }
4494
4495         vec = intr_handle->intr_vec[queue_id];
4496         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4497         if (rc && rc != -EEXIST) {
4498                 RTE_ETHDEV_LOG(ERR,
4499                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4500                         port_id, queue_id, op, epfd, vec);
4501                 return rc;
4502         }
4503
4504         return 0;
4505 }
4506
4507 int
4508 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4509                            uint16_t queue_id)
4510 {
4511         struct rte_eth_dev *dev;
4512         int ret;
4513
4514         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4515
4516         dev = &rte_eth_devices[port_id];
4517
4518         ret = eth_dev_validate_rx_queue(dev, queue_id);
4519         if (ret != 0)
4520                 return ret;
4521
4522         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4523         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
4524                                                                 queue_id));
4525 }
4526
4527 int
4528 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4529                             uint16_t queue_id)
4530 {
4531         struct rte_eth_dev *dev;
4532         int ret;
4533
4534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4535
4536         dev = &rte_eth_devices[port_id];
4537
4538         ret = eth_dev_validate_rx_queue(dev, queue_id);
4539         if (ret != 0)
4540                 return ret;
4541
4542         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4543         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
4544                                                                 queue_id));
4545 }
4546
4547
4548 int
4549 rte_eth_dev_filter_supported(uint16_t port_id,
4550                              enum rte_filter_type filter_type)
4551 {
4552         struct rte_eth_dev *dev;
4553
4554         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4555
4556         dev = &rte_eth_devices[port_id];
4557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4558         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4559                                 RTE_ETH_FILTER_NOP, NULL);
4560 }
4561
4562 int
4563 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
4564                         enum rte_filter_op filter_op, void *arg)
4565 {
4566         struct rte_eth_dev *dev;
4567
4568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4569
4570         dev = &rte_eth_devices[port_id];
4571         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4572         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4573                                                              filter_op, arg));
4574 }
4575
4576 const struct rte_eth_rxtx_callback *
4577 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4578                 rte_rx_callback_fn fn, void *user_param)
4579 {
4580 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4581         rte_errno = ENOTSUP;
4582         return NULL;
4583 #endif
4584         struct rte_eth_dev *dev;
4585
4586         /* check input parameters */
4587         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4588                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4589                 rte_errno = EINVAL;
4590                 return NULL;
4591         }
4592         dev = &rte_eth_devices[port_id];
4593         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4594                 rte_errno = EINVAL;
4595                 return NULL;
4596         }
4597         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4598
4599         if (cb == NULL) {
4600                 rte_errno = ENOMEM;
4601                 return NULL;
4602         }
4603
4604         cb->fn.rx = fn;
4605         cb->param = user_param;
4606
4607         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4608         /* Add the callbacks in fifo order. */
4609         struct rte_eth_rxtx_callback *tail =
4610                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4611
4612         if (!tail) {
4613                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4614
4615         } else {
4616                 while (tail->next)
4617                         tail = tail->next;
4618                 tail->next = cb;
4619         }
4620         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4621
4622         return cb;
4623 }
4624
4625 const struct rte_eth_rxtx_callback *
4626 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4627                 rte_rx_callback_fn fn, void *user_param)
4628 {
4629 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4630         rte_errno = ENOTSUP;
4631         return NULL;
4632 #endif
4633         /* check input parameters */
4634         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4635                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4636                 rte_errno = EINVAL;
4637                 return NULL;
4638         }
4639
4640         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4641
4642         if (cb == NULL) {
4643                 rte_errno = ENOMEM;
4644                 return NULL;
4645         }
4646
4647         cb->fn.rx = fn;
4648         cb->param = user_param;
4649
4650         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4651         /* Add the callbacks at first position */
4652         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4653         /* Stores to cb->fn, cb->param and cb->next should complete before
4654          * cb is visible to data plane threads.
4655          */
4656         __atomic_store_n(
4657                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
4658                 cb, __ATOMIC_RELEASE);
4659         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4660
4661         return cb;
4662 }
4663
4664 const struct rte_eth_rxtx_callback *
4665 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4666                 rte_tx_callback_fn fn, void *user_param)
4667 {
4668 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4669         rte_errno = ENOTSUP;
4670         return NULL;
4671 #endif
4672         struct rte_eth_dev *dev;
4673
4674         /* check input parameters */
4675         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4676                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4677                 rte_errno = EINVAL;
4678                 return NULL;
4679         }
4680
4681         dev = &rte_eth_devices[port_id];
4682         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4683                 rte_errno = EINVAL;
4684                 return NULL;
4685         }
4686
4687         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4688
4689         if (cb == NULL) {
4690                 rte_errno = ENOMEM;
4691                 return NULL;
4692         }
4693
4694         cb->fn.tx = fn;
4695         cb->param = user_param;
4696
4697         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4698         /* Add the callbacks in fifo order. */
4699         struct rte_eth_rxtx_callback *tail =
4700                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4701
4702         if (!tail) {
4703                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4704
4705         } else {
4706                 while (tail->next)
4707                         tail = tail->next;
4708                 tail->next = cb;
4709         }
4710         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4711
4712         return cb;
4713 }
4714
4715 int
4716 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4717                 const struct rte_eth_rxtx_callback *user_cb)
4718 {
4719 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4720         return -ENOTSUP;
4721 #endif
4722         /* Check input parameters. */
4723         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4724         if (user_cb == NULL ||
4725                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4726                 return -EINVAL;
4727
4728         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4729         struct rte_eth_rxtx_callback *cb;
4730         struct rte_eth_rxtx_callback **prev_cb;
4731         int ret = -EINVAL;
4732
4733         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4734         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4735         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4736                 cb = *prev_cb;
4737                 if (cb == user_cb) {
4738                         /* Remove the user cb from the callback list. */
4739                         *prev_cb = cb->next;
4740                         ret = 0;
4741                         break;
4742                 }
4743         }
4744         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4745
4746         return ret;
4747 }
4748
4749 int
4750 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4751                 const struct rte_eth_rxtx_callback *user_cb)
4752 {
4753 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4754         return -ENOTSUP;
4755 #endif
4756         /* Check input parameters. */
4757         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4758         if (user_cb == NULL ||
4759                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4760                 return -EINVAL;
4761
4762         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4763         int ret = -EINVAL;
4764         struct rte_eth_rxtx_callback *cb;
4765         struct rte_eth_rxtx_callback **prev_cb;
4766
4767         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4768         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4769         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4770                 cb = *prev_cb;
4771                 if (cb == user_cb) {
4772                         /* Remove the user cb from the callback list. */
4773                         *prev_cb = cb->next;
4774                         ret = 0;
4775                         break;
4776                 }
4777         }
4778         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4779
4780         return ret;
4781 }
4782
4783 int
4784 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4785         struct rte_eth_rxq_info *qinfo)
4786 {
4787         struct rte_eth_dev *dev;
4788
4789         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4790
4791         if (qinfo == NULL)
4792                 return -EINVAL;
4793
4794         dev = &rte_eth_devices[port_id];
4795         if (queue_id >= dev->data->nb_rx_queues) {
4796                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4797                 return -EINVAL;
4798         }
4799
4800         if (dev->data->rx_queues == NULL ||
4801                         dev->data->rx_queues[queue_id] == NULL) {
4802                 RTE_ETHDEV_LOG(ERR,
4803                                "Rx queue %"PRIu16" of device with port_id=%"
4804                                PRIu16" has not been setup\n",
4805                                queue_id, port_id);
4806                 return -EINVAL;
4807         }
4808
4809         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4810                 RTE_ETHDEV_LOG(INFO,
4811                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4812                         queue_id, port_id);
4813                 return -EINVAL;
4814         }
4815
4816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4817
4818         memset(qinfo, 0, sizeof(*qinfo));
4819         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4820         return 0;
4821 }
4822
4823 int
4824 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4825         struct rte_eth_txq_info *qinfo)
4826 {
4827         struct rte_eth_dev *dev;
4828
4829         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4830
4831         if (qinfo == NULL)
4832                 return -EINVAL;
4833
4834         dev = &rte_eth_devices[port_id];
4835         if (queue_id >= dev->data->nb_tx_queues) {
4836                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4837                 return -EINVAL;
4838         }
4839
4840         if (dev->data->tx_queues == NULL ||
4841                         dev->data->tx_queues[queue_id] == NULL) {
4842                 RTE_ETHDEV_LOG(ERR,
4843                                "Tx queue %"PRIu16" of device with port_id=%"
4844                                PRIu16" has not been setup\n",
4845                                queue_id, port_id);
4846                 return -EINVAL;
4847         }
4848
4849         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4850                 RTE_ETHDEV_LOG(INFO,
4851                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4852                         queue_id, port_id);
4853                 return -EINVAL;
4854         }
4855
4856         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4857
4858         memset(qinfo, 0, sizeof(*qinfo));
4859         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4860
4861         return 0;
4862 }
4863
4864 int
4865 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4866                           struct rte_eth_burst_mode *mode)
4867 {
4868         struct rte_eth_dev *dev;
4869
4870         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4871
4872         if (mode == NULL)
4873                 return -EINVAL;
4874
4875         dev = &rte_eth_devices[port_id];
4876
4877         if (queue_id >= dev->data->nb_rx_queues) {
4878                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4879                 return -EINVAL;
4880         }
4881
4882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
4883         memset(mode, 0, sizeof(*mode));
4884         return eth_err(port_id,
4885                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
4886 }
4887
4888 int
4889 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4890                           struct rte_eth_burst_mode *mode)
4891 {
4892         struct rte_eth_dev *dev;
4893
4894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4895
4896         if (mode == NULL)
4897                 return -EINVAL;
4898
4899         dev = &rte_eth_devices[port_id];
4900
4901         if (queue_id >= dev->data->nb_tx_queues) {
4902                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4903                 return -EINVAL;
4904         }
4905
4906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
4907         memset(mode, 0, sizeof(*mode));
4908         return eth_err(port_id,
4909                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
4910 }
4911
4912 int
4913 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4914                              struct rte_ether_addr *mc_addr_set,
4915                              uint32_t nb_mc_addr)
4916 {
4917         struct rte_eth_dev *dev;
4918
4919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4920
4921         dev = &rte_eth_devices[port_id];
4922         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4923         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4924                                                 mc_addr_set, nb_mc_addr));
4925 }
4926
4927 int
4928 rte_eth_timesync_enable(uint16_t port_id)
4929 {
4930         struct rte_eth_dev *dev;
4931
4932         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4933         dev = &rte_eth_devices[port_id];
4934
4935         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4936         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4937 }
4938
4939 int
4940 rte_eth_timesync_disable(uint16_t port_id)
4941 {
4942         struct rte_eth_dev *dev;
4943
4944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4945         dev = &rte_eth_devices[port_id];
4946
4947         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4948         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4949 }
4950
4951 int
4952 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4953                                    uint32_t flags)
4954 {
4955         struct rte_eth_dev *dev;
4956
4957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4958         dev = &rte_eth_devices[port_id];
4959
4960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4961         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4962                                 (dev, timestamp, flags));
4963 }
4964
4965 int
4966 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4967                                    struct timespec *timestamp)
4968 {
4969         struct rte_eth_dev *dev;
4970
4971         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4972         dev = &rte_eth_devices[port_id];
4973
4974         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4975         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4976                                 (dev, timestamp));
4977 }
4978
4979 int
4980 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4981 {
4982         struct rte_eth_dev *dev;
4983
4984         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4985         dev = &rte_eth_devices[port_id];
4986
4987         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4988         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4989                                                                       delta));
4990 }
4991
4992 int
4993 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4994 {
4995         struct rte_eth_dev *dev;
4996
4997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4998         dev = &rte_eth_devices[port_id];
4999
5000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5001         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5002                                                                 timestamp));
5003 }
5004
5005 int
5006 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5007 {
5008         struct rte_eth_dev *dev;
5009
5010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5011         dev = &rte_eth_devices[port_id];
5012
5013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5014         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5015                                                                 timestamp));
5016 }
5017
5018 int
5019 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5020 {
5021         struct rte_eth_dev *dev;
5022
5023         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5024         dev = &rte_eth_devices[port_id];
5025
5026         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5027         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5028 }
5029
5030 int
5031 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5032 {
5033         struct rte_eth_dev *dev;
5034
5035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5036
5037         dev = &rte_eth_devices[port_id];
5038         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5039         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5040 }
5041
5042 int
5043 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5044 {
5045         struct rte_eth_dev *dev;
5046
5047         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5048
5049         dev = &rte_eth_devices[port_id];
5050         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5051         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5052 }
5053
5054 int
5055 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5056 {
5057         struct rte_eth_dev *dev;
5058
5059         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5060
5061         dev = &rte_eth_devices[port_id];
5062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5063         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5064 }
5065
5066 int
5067 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5068 {
5069         struct rte_eth_dev *dev;
5070
5071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5072
5073         dev = &rte_eth_devices[port_id];
5074         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5075         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5076 }
5077
5078 int
5079 rte_eth_dev_get_module_info(uint16_t port_id,
5080                             struct rte_eth_dev_module_info *modinfo)
5081 {
5082         struct rte_eth_dev *dev;
5083
5084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5085
5086         dev = &rte_eth_devices[port_id];
5087         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5088         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5089 }
5090
5091 int
5092 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5093                               struct rte_dev_eeprom_info *info)
5094 {
5095         struct rte_eth_dev *dev;
5096
5097         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5098
5099         dev = &rte_eth_devices[port_id];
5100         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5101         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5102 }
5103
5104 int
5105 rte_eth_dev_get_dcb_info(uint16_t port_id,
5106                              struct rte_eth_dcb_info *dcb_info)
5107 {
5108         struct rte_eth_dev *dev;
5109
5110         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5111
5112         dev = &rte_eth_devices[port_id];
5113         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5114
5115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5116         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5117 }
5118
5119 int
5120 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
5121                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
5122 {
5123         struct rte_eth_dev *dev;
5124
5125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5126         if (l2_tunnel == NULL) {
5127                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
5128                 return -EINVAL;
5129         }
5130
5131         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
5132                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
5133                 return -EINVAL;
5134         }
5135
5136         dev = &rte_eth_devices[port_id];
5137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
5138                                 -ENOTSUP);
5139         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
5140                                                                 l2_tunnel));
5141 }
5142
5143 int
5144 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
5145                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
5146                                   uint32_t mask,
5147                                   uint8_t en)
5148 {
5149         struct rte_eth_dev *dev;
5150
5151         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5152
5153         if (l2_tunnel == NULL) {
5154                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
5155                 return -EINVAL;
5156         }
5157
5158         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
5159                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
5160                 return -EINVAL;
5161         }
5162
5163         if (mask == 0) {
5164                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
5165                 return -EINVAL;
5166         }
5167
5168         dev = &rte_eth_devices[port_id];
5169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
5170                                 -ENOTSUP);
5171         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
5172                                                         l2_tunnel, mask, en));
5173 }
5174
5175 static void
5176 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5177                            const struct rte_eth_desc_lim *desc_lim)
5178 {
5179         if (desc_lim->nb_align != 0)
5180                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5181
5182         if (desc_lim->nb_max != 0)
5183                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5184
5185         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5186 }
5187
5188 int
5189 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5190                                  uint16_t *nb_rx_desc,
5191                                  uint16_t *nb_tx_desc)
5192 {
5193         struct rte_eth_dev_info dev_info;
5194         int ret;
5195
5196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5197
5198         ret = rte_eth_dev_info_get(port_id, &dev_info);
5199         if (ret != 0)
5200                 return ret;
5201
5202         if (nb_rx_desc != NULL)
5203                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5204
5205         if (nb_tx_desc != NULL)
5206                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5207
5208         return 0;
5209 }
5210
5211 int
5212 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5213                                    struct rte_eth_hairpin_cap *cap)
5214 {
5215         struct rte_eth_dev *dev;
5216
5217         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
5218
5219         dev = &rte_eth_devices[port_id];
5220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5221         memset(cap, 0, sizeof(*cap));
5222         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5223 }
5224
5225 int
5226 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5227 {
5228         if (dev->data->rx_queue_state[queue_id] ==
5229             RTE_ETH_QUEUE_STATE_HAIRPIN)
5230                 return 1;
5231         return 0;
5232 }
5233
5234 int
5235 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5236 {
5237         if (dev->data->tx_queue_state[queue_id] ==
5238             RTE_ETH_QUEUE_STATE_HAIRPIN)
5239                 return 1;
5240         return 0;
5241 }
5242
5243 int
5244 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5245 {
5246         struct rte_eth_dev *dev;
5247
5248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5249
5250         if (pool == NULL)
5251                 return -EINVAL;
5252
5253         dev = &rte_eth_devices[port_id];
5254
5255         if (*dev->dev_ops->pool_ops_supported == NULL)
5256                 return 1; /* all pools are supported */
5257
5258         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5259 }
5260
5261 /**
5262  * A set of values to describe the possible states of a switch domain.
5263  */
5264 enum rte_eth_switch_domain_state {
5265         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5266         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5267 };
5268
5269 /**
5270  * Array of switch domains available for allocation. Array is sized to
5271  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5272  * ethdev ports in a single process.
5273  */
5274 static struct rte_eth_dev_switch {
5275         enum rte_eth_switch_domain_state state;
5276 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
5277
5278 int
5279 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5280 {
5281         unsigned int i;
5282
5283         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5284
5285         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5286                 if (rte_eth_switch_domains[i].state ==
5287                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5288                         rte_eth_switch_domains[i].state =
5289                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5290                         *domain_id = i;
5291                         return 0;
5292                 }
5293         }
5294
5295         return -ENOSPC;
5296 }
5297
5298 int
5299 rte_eth_switch_domain_free(uint16_t domain_id)
5300 {
5301         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5302                 domain_id >= RTE_MAX_ETHPORTS)
5303                 return -EINVAL;
5304
5305         if (rte_eth_switch_domains[domain_id].state !=
5306                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5307                 return -EINVAL;
5308
5309         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5310
5311         return 0;
5312 }
5313
5314 static int
5315 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5316 {
5317         int state;
5318         struct rte_kvargs_pair *pair;
5319         char *letter;
5320
5321         arglist->str = strdup(str_in);
5322         if (arglist->str == NULL)
5323                 return -ENOMEM;
5324
5325         letter = arglist->str;
5326         state = 0;
5327         arglist->count = 0;
5328         pair = &arglist->pairs[0];
5329         while (1) {
5330                 switch (state) {
5331                 case 0: /* Initial */
5332                         if (*letter == '=')
5333                                 return -EINVAL;
5334                         else if (*letter == '\0')
5335                                 return 0;
5336
5337                         state = 1;
5338                         pair->key = letter;
5339                         /* fall-thru */
5340
5341                 case 1: /* Parsing key */
5342                         if (*letter == '=') {
5343                                 *letter = '\0';
5344                                 pair->value = letter + 1;
5345                                 state = 2;
5346                         } else if (*letter == ',' || *letter == '\0')
5347                                 return -EINVAL;
5348                         break;
5349
5350
5351                 case 2: /* Parsing value */
5352                         if (*letter == '[')
5353                                 state = 3;
5354                         else if (*letter == ',') {
5355                                 *letter = '\0';
5356                                 arglist->count++;
5357                                 pair = &arglist->pairs[arglist->count];
5358                                 state = 0;
5359                         } else if (*letter == '\0') {
5360                                 letter--;
5361                                 arglist->count++;
5362                                 pair = &arglist->pairs[arglist->count];
5363                                 state = 0;
5364                         }
5365                         break;
5366
5367                 case 3: /* Parsing list */
5368                         if (*letter == ']')
5369                                 state = 2;
5370                         else if (*letter == '\0')
5371                                 return -EINVAL;
5372                         break;
5373                 }
5374                 letter++;
5375         }
5376 }
5377
5378 int
5379 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5380 {
5381         struct rte_kvargs args;
5382         struct rte_kvargs_pair *pair;
5383         unsigned int i;
5384         int result = 0;
5385
5386         memset(eth_da, 0, sizeof(*eth_da));
5387
5388         result = rte_eth_devargs_tokenise(&args, dargs);
5389         if (result < 0)
5390                 goto parse_cleanup;
5391
5392         for (i = 0; i < args.count; i++) {
5393                 pair = &args.pairs[i];
5394                 if (strcmp("representor", pair->key) == 0) {
5395                         result = rte_eth_devargs_parse_list(pair->value,
5396                                 rte_eth_devargs_parse_representor_ports,
5397                                 eth_da);
5398                         if (result < 0)
5399                                 goto parse_cleanup;
5400                 }
5401         }
5402
5403 parse_cleanup:
5404         if (args.str)
5405                 free(args.str);
5406
5407         return result;
5408 }
5409
5410 static int
5411 handle_port_list(const char *cmd __rte_unused,
5412                 const char *params __rte_unused,
5413                 struct rte_tel_data *d)
5414 {
5415         int port_id;
5416
5417         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
5418         RTE_ETH_FOREACH_DEV(port_id)
5419                 rte_tel_data_add_array_int(d, port_id);
5420         return 0;
5421 }
5422
5423 static void
5424 add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
5425                 const char *stat_name)
5426 {
5427         int q;
5428         struct rte_tel_data *q_data = rte_tel_data_alloc();
5429         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
5430         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
5431                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
5432         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
5433 }
5434
5435 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
5436
5437 static int
5438 handle_port_stats(const char *cmd __rte_unused,
5439                 const char *params,
5440                 struct rte_tel_data *d)
5441 {
5442         struct rte_eth_stats stats;
5443         int port_id, ret;
5444
5445         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5446                 return -1;
5447
5448         port_id = atoi(params);
5449         if (!rte_eth_dev_is_valid_port(port_id))
5450                 return -1;
5451
5452         ret = rte_eth_stats_get(port_id, &stats);
5453         if (ret < 0)
5454                 return -1;
5455
5456         rte_tel_data_start_dict(d);
5457         ADD_DICT_STAT(stats, ipackets);
5458         ADD_DICT_STAT(stats, opackets);
5459         ADD_DICT_STAT(stats, ibytes);
5460         ADD_DICT_STAT(stats, obytes);
5461         ADD_DICT_STAT(stats, imissed);
5462         ADD_DICT_STAT(stats, ierrors);
5463         ADD_DICT_STAT(stats, oerrors);
5464         ADD_DICT_STAT(stats, rx_nombuf);
5465         add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
5466         add_port_queue_stats(d, stats.q_opackets, "q_opackets");
5467         add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
5468         add_port_queue_stats(d, stats.q_obytes, "q_obytes");
5469         add_port_queue_stats(d, stats.q_errors, "q_errors");
5470
5471         return 0;
5472 }
5473
5474 static int
5475 handle_port_xstats(const char *cmd __rte_unused,
5476                 const char *params,
5477                 struct rte_tel_data *d)
5478 {
5479         struct rte_eth_xstat *eth_xstats;
5480         struct rte_eth_xstat_name *xstat_names;
5481         int port_id, num_xstats;
5482         int i, ret;
5483         char *end_param;
5484
5485         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5486                 return -1;
5487
5488         port_id = strtoul(params, &end_param, 0);
5489         if (*end_param != '\0')
5490                 RTE_ETHDEV_LOG(NOTICE,
5491                         "Extra parameters passed to ethdev telemetry command, ignoring");
5492         if (!rte_eth_dev_is_valid_port(port_id))
5493                 return -1;
5494
5495         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
5496         if (num_xstats < 0)
5497                 return -1;
5498
5499         /* use one malloc for both names and stats */
5500         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
5501                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
5502         if (eth_xstats == NULL)
5503                 return -1;
5504         xstat_names = (void *)&eth_xstats[num_xstats];
5505
5506         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
5507         if (ret < 0 || ret > num_xstats) {
5508                 free(eth_xstats);
5509                 return -1;
5510         }
5511
5512         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
5513         if (ret < 0 || ret > num_xstats) {
5514                 free(eth_xstats);
5515                 return -1;
5516         }
5517
5518         rte_tel_data_start_dict(d);
5519         for (i = 0; i < num_xstats; i++)
5520                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
5521                                 eth_xstats[i].value);
5522         return 0;
5523 }
5524
5525 static int
5526 handle_port_link_status(const char *cmd __rte_unused,
5527                 const char *params,
5528                 struct rte_tel_data *d)
5529 {
5530         static const char *status_str = "status";
5531         int ret, port_id;
5532         struct rte_eth_link link;
5533         char *end_param;
5534
5535         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5536                 return -1;
5537
5538         port_id = strtoul(params, &end_param, 0);
5539         if (*end_param != '\0')
5540                 RTE_ETHDEV_LOG(NOTICE,
5541                         "Extra parameters passed to ethdev telemetry command, ignoring");
5542         if (!rte_eth_dev_is_valid_port(port_id))
5543                 return -1;
5544
5545         ret = rte_eth_link_get(port_id, &link);
5546         if (ret < 0)
5547                 return -1;
5548
5549         rte_tel_data_start_dict(d);
5550         if (!link.link_status) {
5551                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
5552                 return 0;
5553         }
5554         rte_tel_data_add_dict_string(d, status_str, "UP");
5555         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
5556         rte_tel_data_add_dict_string(d, "duplex",
5557                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
5558                                 "full-duplex" : "half-duplex");
5559         return 0;
5560 }
5561
5562 RTE_LOG_REGISTER(rte_eth_dev_logtype, lib.ethdev, INFO);
5563
5564 RTE_INIT(ethdev_init_telemetry)
5565 {
5566         rte_telemetry_register_cmd("/ethdev/list", handle_port_list,
5567                         "Returns list of available ethdev ports. Takes no parameters");
5568         rte_telemetry_register_cmd("/ethdev/stats", handle_port_stats,
5569                         "Returns the common stats for a port. Parameters: int port_id");
5570         rte_telemetry_register_cmd("/ethdev/xstats", handle_port_xstats,
5571                         "Returns the extended stats for a port. Parameters: int port_id");
5572         rte_telemetry_register_cmd("/ethdev/link_status",
5573                         handle_port_link_status,
5574                         "Returns the link status for a port. Parameters: int port_id");
5575 }