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 eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  53
  54 /* spinlock for add/remove rx callbacks */
  55 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  56
  57 /* spinlock for add/remove tx callbacks */
  58 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /* spinlock for shared data allocation */
  61 static rte_spinlock_t eth_dev_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 } *eth_dev_shared_data;
  75
  76 static const struct rte_eth_xstats_name_off eth_dev_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(eth_dev_stats_strings)
  89
  90 static const struct rte_eth_xstats_name_off eth_dev_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(eth_dev_rxq_stats_strings)
  97
  98 static const struct rte_eth_xstats_name_off eth_dev_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(eth_dev_txq_stats_strings)
 103
 104 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 105         { DEV_RX_OFFLOAD_##_name, #_name }
 106
 107 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)       \
 108         { RTE_ETH_RX_OFFLOAD_##_name, #_name }
 109
 110 static const struct {
 111         uint64_t offload;
 112         const char *name;
 113 } eth_dev_rx_offload_names[] = {
 114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 132         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 133         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
 134 };
 135
 136 #undef RTE_RX_OFFLOAD_BIT2STR
 137 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
 138
 139 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 140         { DEV_TX_OFFLOAD_##_name, #_name }
 141
 142 static const struct {
 143         uint64_t offload;
 144         const char *name;
 145 } eth_dev_tx_offload_names[] = {
 146         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 147         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 150         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 151         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 154         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 155         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 158         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 159         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 160         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 161         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 162         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 163         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 164         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 165         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 166         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 167         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 168 };
 169
 170 #undef RTE_TX_OFFLOAD_BIT2STR
 171
 172 /**
 173  * The user application callback description.
 174  *
 175  * It contains callback address to be registered by user application,
 176  * the pointer to the parameters for callback, and the event type.
 177  */
 178 struct rte_eth_dev_callback {
 179         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 180         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 181         void *cb_arg;                           /**< Parameter for callback */
 182         void *ret_param;                        /**< Return parameter */
 183         enum rte_eth_event_type event;          /**< Interrupt event type */
 184         uint32_t active;                        /**< Callback is executing */
 185 };
 186
 187 enum {
 188         STAT_QMAP_TX = 0,
 189         STAT_QMAP_RX
 190 };
 191
 192 int
 193 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 194 {
 195         int ret;
 196         struct rte_devargs devargs = {.args = NULL};
 197         const char *bus_param_key;
 198         char *bus_str = NULL;
 199         char *cls_str = NULL;
 200         int str_size;
 201
 202         memset(iter, 0, sizeof(*iter));
 203
 204         /*
 205          * The devargs string may use various syntaxes:
 206          *   - 0000:08:00.0,representor=[1-3]
 207          *   - pci:0000:06:00.0,representor=[0,5]
 208          *   - class=eth,mac=00:11:22:33:44:55
 209          * A new syntax is in development (not yet supported):
 210          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 211          */
 212
 213         /*
 214          * Handle pure class filter (i.e. without any bus-level argument),
 215          * from future new syntax.
 216          * rte_devargs_parse() is not yet supporting the new syntax,
 217          * that's why this simple case is temporarily parsed here.
 218          */
 219 #define iter_anybus_str "class=eth,"
 220         if (strncmp(devargs_str, iter_anybus_str,
 221                         strlen(iter_anybus_str)) == 0) {
 222                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 223                 goto end;
 224         }
 225
 226         /* Split bus, device and parameters. */
 227         ret = rte_devargs_parse(&devargs, devargs_str);
 228         if (ret != 0)
 229                 goto error;
 230
 231         /*
 232          * Assume parameters of old syntax can match only at ethdev level.
 233          * Extra parameters will be ignored, thanks to "+" prefix.
 234          */
 235         str_size = strlen(devargs.args) + 2;
 236         cls_str = malloc(str_size);
 237         if (cls_str == NULL) {
 238                 ret = -ENOMEM;
 239                 goto error;
 240         }
 241         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 242         if (ret != str_size - 1) {
 243                 ret = -EINVAL;
 244                 goto error;
 245         }
 246         iter->cls_str = cls_str;
 247         free(devargs.args); /* allocated by rte_devargs_parse() */
 248         devargs.args = NULL;
 249
 250         iter->bus = devargs.bus;
 251         if (iter->bus->dev_iterate == NULL) {
 252                 ret = -ENOTSUP;
 253                 goto error;
 254         }
 255
 256         /* Convert bus args to new syntax for use with new API dev_iterate. */
 257         if (strcmp(iter->bus->name, "vdev") == 0) {
 258                 bus_param_key = "name";
 259         } else if (strcmp(iter->bus->name, "pci") == 0) {
 260                 bus_param_key = "addr";
 261         } else {
 262                 ret = -ENOTSUP;
 263                 goto error;
 264         }
 265         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 266         bus_str = malloc(str_size);
 267         if (bus_str == NULL) {
 268                 ret = -ENOMEM;
 269                 goto error;
 270         }
 271         ret = snprintf(bus_str, str_size, "%s=%s",
 272                         bus_param_key, devargs.name);
 273         if (ret != str_size - 1) {
 274                 ret = -EINVAL;
 275                 goto error;
 276         }
 277         iter->bus_str = bus_str;
 278
 279 end:
 280         iter->cls = rte_class_find_by_name("eth");
 281         return 0;
 282
 283 error:
 284         if (ret == -ENOTSUP)
 285                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 286                                 iter->bus->name);
 287         free(devargs.args);
 288         free(bus_str);
 289         free(cls_str);
 290         return ret;
 291 }
 292
 293 uint16_t
 294 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 295 {
 296         if (iter->cls == NULL) /* invalid ethdev iterator */
 297                 return RTE_MAX_ETHPORTS;
 298
 299         do { /* loop to try all matching rte_device */
 300                 /* If not pure ethdev filter and */
 301                 if (iter->bus != NULL &&
 302                                 /* not in middle of rte_eth_dev iteration, */
 303                                 iter->class_device == NULL) {
 304                         /* get next rte_device to try. */
 305                         iter->device = iter->bus->dev_iterate(
 306                                         iter->device, iter->bus_str, iter);
 307                         if (iter->device == NULL)
 308                                 break; /* no more rte_device candidate */
 309                 }
 310                 /* A device is matching bus part, need to check ethdev part. */
 311                 iter->class_device = iter->cls->dev_iterate(
 312                                 iter->class_device, iter->cls_str, iter);
 313                 if (iter->class_device != NULL)
 314                         return eth_dev_to_id(iter->class_device); /* match */
 315         } while (iter->bus != NULL); /* need to try next rte_device */
 316
 317         /* No more ethdev port to iterate. */
 318         rte_eth_iterator_cleanup(iter);
 319         return RTE_MAX_ETHPORTS;
 320 }
 321
 322 void
 323 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 324 {
 325         if (iter->bus_str == NULL)
 326                 return; /* nothing to free in pure class filter */
 327         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 328         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 329         memset(iter, 0, sizeof(*iter));
 330 }
 331
 332 uint16_t
 333 rte_eth_find_next(uint16_t port_id)
 334 {
 335         while (port_id < RTE_MAX_ETHPORTS &&
 336                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 337                 port_id++;
 338
 339         if (port_id >= RTE_MAX_ETHPORTS)
 340                 return RTE_MAX_ETHPORTS;
 341
 342         return port_id;
 343 }
 344
 345 /*
 346  * Macro to iterate over all valid ports for internal usage.
 347  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 348  */
 349 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 350         for (port_id = rte_eth_find_next(0); \
 351              port_id < RTE_MAX_ETHPORTS; \
 352              port_id = rte_eth_find_next(port_id + 1))
 353
 354 uint16_t
 355 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 356 {
 357         port_id = rte_eth_find_next(port_id);
 358         while (port_id < RTE_MAX_ETHPORTS &&
 359                         rte_eth_devices[port_id].device != parent)
 360                 port_id = rte_eth_find_next(port_id + 1);
 361
 362         return port_id;
 363 }
 364
 365 uint16_t
 366 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 367 {
 368         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 369         return rte_eth_find_next_of(port_id,
 370                         rte_eth_devices[ref_port_id].device);
 371 }
 372
 373 static void
 374 eth_dev_shared_data_prepare(void)
 375 {
 376         const unsigned flags = 0;
 377         const struct rte_memzone *mz;
 378
 379         rte_spinlock_lock(&eth_dev_shared_data_lock);
 380
 381         if (eth_dev_shared_data == NULL) {
 382                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 383                         /* Allocate port data and ownership shared memory. */
 384                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 385                                         sizeof(*eth_dev_shared_data),
 386                                         rte_socket_id(), flags);
 387                 } else
 388                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 389                 if (mz == NULL)
 390                         rte_panic("Cannot allocate ethdev shared data\n");
 391
 392                 eth_dev_shared_data = mz->addr;
 393                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 394                         eth_dev_shared_data->next_owner_id =
 395                                         RTE_ETH_DEV_NO_OWNER + 1;
 396                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
 397                         memset(eth_dev_shared_data->data, 0,
 398                                sizeof(eth_dev_shared_data->data));
 399                 }
 400         }
 401
 402         rte_spinlock_unlock(&eth_dev_shared_data_lock);
 403 }
 404
 405 static bool
 406 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
 407 {
 408         return ethdev->data->name[0] != '\0';
 409 }
 410
 411 static struct rte_eth_dev *
 412 eth_dev_allocated(const char *name)
 413 {
 414         uint16_t i;
 415
 416         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
 417
 418         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 419                 if (rte_eth_devices[i].data != NULL &&
 420                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 421                         return &rte_eth_devices[i];
 422         }
 423         return NULL;
 424 }
 425
 426 struct rte_eth_dev *
 427 rte_eth_dev_allocated(const char *name)
 428 {
 429         struct rte_eth_dev *ethdev;
 430
 431         eth_dev_shared_data_prepare();
 432
 433         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 434
 435         ethdev = eth_dev_allocated(name);
 436
 437         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 438
 439         return ethdev;
 440 }
 441
 442 static uint16_t
 443 eth_dev_find_free_port(void)
 444 {
 445         uint16_t i;
 446
 447         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 448                 /* Using shared name field to find a free port. */
 449                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
 450                         RTE_ASSERT(rte_eth_devices[i].state ==
 451                                    RTE_ETH_DEV_UNUSED);
 452                         return i;
 453                 }
 454         }
 455         return RTE_MAX_ETHPORTS;
 456 }
 457
 458 static struct rte_eth_dev *
 459 eth_dev_get(uint16_t port_id)
 460 {
 461         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 462
 463         eth_dev->data = &eth_dev_shared_data->data[port_id];
 464
 465         return eth_dev;
 466 }
 467
 468 struct rte_eth_dev *
 469 rte_eth_dev_allocate(const char *name)
 470 {
 471         uint16_t port_id;
 472         struct rte_eth_dev *eth_dev = NULL;
 473         size_t name_len;
 474
 475         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 476         if (name_len == 0) {
 477                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 478                 return NULL;
 479         }
 480
 481         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 482                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 483                 return NULL;
 484         }
 485
 486         eth_dev_shared_data_prepare();
 487
 488         /* Synchronize port creation between primary and secondary threads. */
 489         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 490
 491         if (eth_dev_allocated(name) != NULL) {
 492                 RTE_ETHDEV_LOG(ERR,
 493                         "Ethernet device with name %s already allocated\n",
 494                         name);
 495                 goto unlock;
 496         }
 497
 498         port_id = eth_dev_find_free_port();
 499         if (port_id == RTE_MAX_ETHPORTS) {
 500                 RTE_ETHDEV_LOG(ERR,
 501                         "Reached maximum number of Ethernet ports\n");
 502                 goto unlock;
 503         }
 504
 505         eth_dev = eth_dev_get(port_id);
 506         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 507         eth_dev->data->port_id = port_id;
 508         eth_dev->data->mtu = RTE_ETHER_MTU;
 509         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 510
 511 unlock:
 512         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 513
 514         return eth_dev;
 515 }
 516
 517 /*
 518  * Attach to a port already registered by the primary process, which
 519  * makes sure that the same device would have the same port id both
 520  * in the primary and secondary process.
 521  */
 522 struct rte_eth_dev *
 523 rte_eth_dev_attach_secondary(const char *name)
 524 {
 525         uint16_t i;
 526         struct rte_eth_dev *eth_dev = NULL;
 527
 528         eth_dev_shared_data_prepare();
 529
 530         /* Synchronize port attachment to primary port creation and release. */
 531         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 532
 533         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 534                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
 535                         break;
 536         }
 537         if (i == RTE_MAX_ETHPORTS) {
 538                 RTE_ETHDEV_LOG(ERR,
 539                         "Device %s is not driven by the primary process\n",
 540                         name);
 541         } else {
 542                 eth_dev = eth_dev_get(i);
 543                 RTE_ASSERT(eth_dev->data->port_id == i);
 544         }
 545
 546         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 547         return eth_dev;
 548 }
 549
 550 int
 551 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 552 {
 553         if (eth_dev == NULL)
 554                 return -EINVAL;
 555
 556         eth_dev_shared_data_prepare();
 557
 558         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 559                 rte_eth_dev_callback_process(eth_dev,
 560                                 RTE_ETH_EVENT_DESTROY, NULL);
 561
 562         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 563
 564         eth_dev->state = RTE_ETH_DEV_UNUSED;
 565         eth_dev->device = NULL;
 566         eth_dev->process_private = NULL;
 567         eth_dev->intr_handle = NULL;
 568         eth_dev->rx_pkt_burst = NULL;
 569         eth_dev->tx_pkt_burst = NULL;
 570         eth_dev->tx_pkt_prepare = NULL;
 571         eth_dev->rx_queue_count = NULL;
 572         eth_dev->rx_descriptor_done = NULL;
 573         eth_dev->rx_descriptor_status = NULL;
 574         eth_dev->tx_descriptor_status = NULL;
 575         eth_dev->dev_ops = NULL;
 576
 577         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 578                 rte_free(eth_dev->data->rx_queues);
 579                 rte_free(eth_dev->data->tx_queues);
 580                 rte_free(eth_dev->data->mac_addrs);
 581                 rte_free(eth_dev->data->hash_mac_addrs);
 582                 rte_free(eth_dev->data->dev_private);
 583                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 584                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 585         }
 586
 587         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 588
 589         return 0;
 590 }
 591
 592 int
 593 rte_eth_dev_is_valid_port(uint16_t port_id)
 594 {
 595         if (port_id >= RTE_MAX_ETHPORTS ||
 596             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 597                 return 0;
 598         else
 599                 return 1;
 600 }
 601
 602 static int
 603 eth_is_valid_owner_id(uint64_t owner_id)
 604 {
 605         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 606             eth_dev_shared_data->next_owner_id <= owner_id)
 607                 return 0;
 608         return 1;
 609 }
 610
 611 uint64_t
 612 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 613 {
 614         port_id = rte_eth_find_next(port_id);
 615         while (port_id < RTE_MAX_ETHPORTS &&
 616                         rte_eth_devices[port_id].data->owner.id != owner_id)
 617                 port_id = rte_eth_find_next(port_id + 1);
 618
 619         return port_id;
 620 }
 621
 622 int
 623 rte_eth_dev_owner_new(uint64_t *owner_id)
 624 {
 625         eth_dev_shared_data_prepare();
 626
 627         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 628
 629         *owner_id = eth_dev_shared_data->next_owner_id++;
 630
 631         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 632         return 0;
 633 }
 634
 635 static int
 636 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 637                        const struct rte_eth_dev_owner *new_owner)
 638 {
 639         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 640         struct rte_eth_dev_owner *port_owner;
 641
 642         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 643                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 644                         port_id);
 645                 return -ENODEV;
 646         }
 647
 648         if (!eth_is_valid_owner_id(new_owner->id) &&
 649             !eth_is_valid_owner_id(old_owner_id)) {
 650                 RTE_ETHDEV_LOG(ERR,
 651                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 652                        old_owner_id, new_owner->id);
 653                 return -EINVAL;
 654         }
 655
 656         port_owner = &rte_eth_devices[port_id].data->owner;
 657         if (port_owner->id != old_owner_id) {
 658                 RTE_ETHDEV_LOG(ERR,
 659                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 660                         port_id, port_owner->name, port_owner->id);
 661                 return -EPERM;
 662         }
 663
 664         /* can not truncate (same structure) */
 665         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 666
 667         port_owner->id = new_owner->id;
 668
 669         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 670                 port_id, new_owner->name, new_owner->id);
 671
 672         return 0;
 673 }
 674
 675 int
 676 rte_eth_dev_owner_set(const uint16_t port_id,
 677                       const struct rte_eth_dev_owner *owner)
 678 {
 679         int ret;
 680
 681         eth_dev_shared_data_prepare();
 682
 683         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 684
 685         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 686
 687         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 688         return ret;
 689 }
 690
 691 int
 692 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 693 {
 694         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 695                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 696         int ret;
 697
 698         eth_dev_shared_data_prepare();
 699
 700         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 701
 702         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
 703
 704         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 705         return ret;
 706 }
 707
 708 int
 709 rte_eth_dev_owner_delete(const uint64_t owner_id)
 710 {
 711         uint16_t port_id;
 712         int ret = 0;
 713
 714         eth_dev_shared_data_prepare();
 715
 716         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 717
 718         if (eth_is_valid_owner_id(owner_id)) {
 719                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 720                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 721                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 722                                        sizeof(struct rte_eth_dev_owner));
 723                 RTE_ETHDEV_LOG(NOTICE,
 724                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 725                         owner_id);
 726         } else {
 727                 RTE_ETHDEV_LOG(ERR,
 728                                "Invalid owner id=%016"PRIx64"\n",
 729                                owner_id);
 730                 ret = -EINVAL;
 731         }
 732
 733         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 734
 735         return ret;
 736 }
 737
 738 int
 739 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 740 {
 741         int ret = 0;
 742         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 743
 744         eth_dev_shared_data_prepare();
 745
 746         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 747
 748         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 749                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 750                         port_id);
 751                 ret = -ENODEV;
 752         } else {
 753                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 754         }
 755
 756         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 757         return ret;
 758 }
 759
 760 int
 761 rte_eth_dev_socket_id(uint16_t port_id)
 762 {
 763         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 764         return rte_eth_devices[port_id].data->numa_node;
 765 }
 766
 767 void *
 768 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 769 {
 770         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 771         return rte_eth_devices[port_id].security_ctx;
 772 }
 773
 774 uint16_t
 775 rte_eth_dev_count_avail(void)
 776 {
 777         uint16_t p;
 778         uint16_t count;
 779
 780         count = 0;
 781
 782         RTE_ETH_FOREACH_DEV(p)
 783                 count++;
 784
 785         return count;
 786 }
 787
 788 uint16_t
 789 rte_eth_dev_count_total(void)
 790 {
 791         uint16_t port, count = 0;
 792
 793         RTE_ETH_FOREACH_VALID_DEV(port)
 794                 count++;
 795
 796         return count;
 797 }
 798
 799 int
 800 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 801 {
 802         char *tmp;
 803
 804         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 805
 806         if (name == NULL) {
 807                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 808                 return -EINVAL;
 809         }
 810
 811         /* shouldn't check 'rte_eth_devices[i].data',
 812          * because it might be overwritten by VDEV PMD */
 813         tmp = eth_dev_shared_data->data[port_id].name;
 814         strcpy(name, tmp);
 815         return 0;
 816 }
 817
 818 int
 819 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 820 {
 821         uint16_t pid;
 822
 823         if (name == NULL) {
 824                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 825                 return -EINVAL;
 826         }
 827
 828         RTE_ETH_FOREACH_VALID_DEV(pid)
 829                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
 830                         *port_id = pid;
 831                         return 0;
 832                 }
 833
 834         return -ENODEV;
 835 }
 836
 837 static int
 838 eth_err(uint16_t port_id, int ret)
 839 {
 840         if (ret == 0)
 841                 return 0;
 842         if (rte_eth_dev_is_removed(port_id))
 843                 return -EIO;
 844         return ret;
 845 }
 846
 847 static int
 848 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 849 {
 850         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 851         void **rxq;
 852         unsigned i;
 853
 854         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 855                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 856                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 857                                 RTE_CACHE_LINE_SIZE);
 858                 if (dev->data->rx_queues == NULL) {
 859                         dev->data->nb_rx_queues = 0;
 860                         return -(ENOMEM);
 861                 }
 862         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 863                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 864
 865                 rxq = dev->data->rx_queues;
 866
 867                 for (i = nb_queues; i < old_nb_queues; i++)
 868                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 869                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 870                                 RTE_CACHE_LINE_SIZE);
 871                 if (rxq == NULL)
 872                         return -(ENOMEM);
 873                 if (nb_queues > old_nb_queues) {
 874                         uint16_t new_qs = nb_queues - old_nb_queues;
 875
 876                         memset(rxq + old_nb_queues, 0,
 877                                 sizeof(rxq[0]) * new_qs);
 878                 }
 879
 880                 dev->data->rx_queues = rxq;
 881
 882         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 883                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 884
 885                 rxq = dev->data->rx_queues;
 886
 887                 for (i = nb_queues; i < old_nb_queues; i++)
 888                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 889
 890                 rte_free(dev->data->rx_queues);
 891                 dev->data->rx_queues = NULL;
 892         }
 893         dev->data->nb_rx_queues = nb_queues;
 894         return 0;
 895 }
 896
 897 static int
 898 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 899 {
 900         uint16_t port_id;
 901
 902         if (rx_queue_id >= dev->data->nb_rx_queues) {
 903                 port_id = dev->data->port_id;
 904                 RTE_ETHDEV_LOG(ERR,
 905                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 906                                rx_queue_id, port_id);
 907                 return -EINVAL;
 908         }
 909
 910         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 911                 port_id = dev->data->port_id;
 912                 RTE_ETHDEV_LOG(ERR,
 913                                "Queue %u of device with port_id=%u has not been setup\n",
 914                                rx_queue_id, port_id);
 915                 return -EINVAL;
 916         }
 917
 918         return 0;
 919 }
 920
 921 static int
 922 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 923 {
 924         uint16_t port_id;
 925
 926         if (tx_queue_id >= dev->data->nb_tx_queues) {
 927                 port_id = dev->data->port_id;
 928                 RTE_ETHDEV_LOG(ERR,
 929                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 930                                tx_queue_id, port_id);
 931                 return -EINVAL;
 932         }
 933
 934         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 935                 port_id = dev->data->port_id;
 936                 RTE_ETHDEV_LOG(ERR,
 937                                "Queue %u of device with port_id=%u has not been setup\n",
 938                                tx_queue_id, port_id);
 939                 return -EINVAL;
 940         }
 941
 942         return 0;
 943 }
 944
 945 int
 946 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 947 {
 948         struct rte_eth_dev *dev;
 949         int ret;
 950
 951         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 952
 953         dev = &rte_eth_devices[port_id];
 954         if (!dev->data->dev_started) {
 955                 RTE_ETHDEV_LOG(ERR,
 956                         "Port %u must be started before start any queue\n",
 957                         port_id);
 958                 return -EINVAL;
 959         }
 960
 961         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
 962         if (ret != 0)
 963                 return ret;
 964
 965         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 966
 967         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
 968                 RTE_ETHDEV_LOG(INFO,
 969                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
 970                         rx_queue_id, port_id);
 971                 return -EINVAL;
 972         }
 973
 974         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 975                 RTE_ETHDEV_LOG(INFO,
 976                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 977                         rx_queue_id, port_id);
 978                 return 0;
 979         }
 980
 981         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 982                                                              rx_queue_id));
 983
 984 }
 985
 986 int
 987 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 988 {
 989         struct rte_eth_dev *dev;
 990         int ret;
 991
 992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 993
 994         dev = &rte_eth_devices[port_id];
 995
 996         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
 997         if (ret != 0)
 998                 return ret;
 999
1000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1001
1002         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1003                 RTE_ETHDEV_LOG(INFO,
1004                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1005                         rx_queue_id, port_id);
1006                 return -EINVAL;
1007         }
1008
1009         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1010                 RTE_ETHDEV_LOG(INFO,
1011                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1012                         rx_queue_id, port_id);
1013                 return 0;
1014         }
1015
1016         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1017
1018 }
1019
1020 int
1021 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1022 {
1023         struct rte_eth_dev *dev;
1024         int ret;
1025
1026         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1027
1028         dev = &rte_eth_devices[port_id];
1029         if (!dev->data->dev_started) {
1030                 RTE_ETHDEV_LOG(ERR,
1031                         "Port %u must be started before start any queue\n",
1032                         port_id);
1033                 return -EINVAL;
1034         }
1035
1036         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1037         if (ret != 0)
1038                 return ret;
1039
1040         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1041
1042         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1043                 RTE_ETHDEV_LOG(INFO,
1044                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1045                         tx_queue_id, port_id);
1046                 return -EINVAL;
1047         }
1048
1049         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1050                 RTE_ETHDEV_LOG(INFO,
1051                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1052                         tx_queue_id, port_id);
1053                 return 0;
1054         }
1055
1056         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1057 }
1058
1059 int
1060 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1061 {
1062         struct rte_eth_dev *dev;
1063         int ret;
1064
1065         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1066
1067         dev = &rte_eth_devices[port_id];
1068
1069         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1070         if (ret != 0)
1071                 return ret;
1072
1073         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1074
1075         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1076                 RTE_ETHDEV_LOG(INFO,
1077                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1078                         tx_queue_id, port_id);
1079                 return -EINVAL;
1080         }
1081
1082         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1083                 RTE_ETHDEV_LOG(INFO,
1084                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1085                         tx_queue_id, port_id);
1086                 return 0;
1087         }
1088
1089         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1090
1091 }
1092
1093 static int
1094 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1095 {
1096         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1097         void **txq;
1098         unsigned i;
1099
1100         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1101                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1102                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1103                                                    RTE_CACHE_LINE_SIZE);
1104                 if (dev->data->tx_queues == NULL) {
1105                         dev->data->nb_tx_queues = 0;
1106                         return -(ENOMEM);
1107                 }
1108         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1109                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1110
1111                 txq = dev->data->tx_queues;
1112
1113                 for (i = nb_queues; i < old_nb_queues; i++)
1114                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1115                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1116                                   RTE_CACHE_LINE_SIZE);
1117                 if (txq == NULL)
1118                         return -ENOMEM;
1119                 if (nb_queues > old_nb_queues) {
1120                         uint16_t new_qs = nb_queues - old_nb_queues;
1121
1122                         memset(txq + old_nb_queues, 0,
1123                                sizeof(txq[0]) * new_qs);
1124                 }
1125
1126                 dev->data->tx_queues = txq;
1127
1128         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1129                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1130
1131                 txq = dev->data->tx_queues;
1132
1133                 for (i = nb_queues; i < old_nb_queues; i++)
1134                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1135
1136                 rte_free(dev->data->tx_queues);
1137                 dev->data->tx_queues = NULL;
1138         }
1139         dev->data->nb_tx_queues = nb_queues;
1140         return 0;
1141 }
1142
1143 uint32_t
1144 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1145 {
1146         switch (speed) {
1147         case ETH_SPEED_NUM_10M:
1148                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1149         case ETH_SPEED_NUM_100M:
1150                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1151         case ETH_SPEED_NUM_1G:
1152                 return ETH_LINK_SPEED_1G;
1153         case ETH_SPEED_NUM_2_5G:
1154                 return ETH_LINK_SPEED_2_5G;
1155         case ETH_SPEED_NUM_5G:
1156                 return ETH_LINK_SPEED_5G;
1157         case ETH_SPEED_NUM_10G:
1158                 return ETH_LINK_SPEED_10G;
1159         case ETH_SPEED_NUM_20G:
1160                 return ETH_LINK_SPEED_20G;
1161         case ETH_SPEED_NUM_25G:
1162                 return ETH_LINK_SPEED_25G;
1163         case ETH_SPEED_NUM_40G:
1164                 return ETH_LINK_SPEED_40G;
1165         case ETH_SPEED_NUM_50G:
1166                 return ETH_LINK_SPEED_50G;
1167         case ETH_SPEED_NUM_56G:
1168                 return ETH_LINK_SPEED_56G;
1169         case ETH_SPEED_NUM_100G:
1170                 return ETH_LINK_SPEED_100G;
1171         case ETH_SPEED_NUM_200G:
1172                 return ETH_LINK_SPEED_200G;
1173         default:
1174                 return 0;
1175         }
1176 }
1177
1178 const char *
1179 rte_eth_dev_rx_offload_name(uint64_t offload)
1180 {
1181         const char *name = "UNKNOWN";
1182         unsigned int i;
1183
1184         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1185                 if (offload == eth_dev_rx_offload_names[i].offload) {
1186                         name = eth_dev_rx_offload_names[i].name;
1187                         break;
1188                 }
1189         }
1190
1191         return name;
1192 }
1193
1194 const char *
1195 rte_eth_dev_tx_offload_name(uint64_t offload)
1196 {
1197         const char *name = "UNKNOWN";
1198         unsigned int i;
1199
1200         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1201                 if (offload == eth_dev_tx_offload_names[i].offload) {
1202                         name = eth_dev_tx_offload_names[i].name;
1203                         break;
1204                 }
1205         }
1206
1207         return name;
1208 }
1209
1210 static inline int
1211 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1212                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1213 {
1214         int ret = 0;
1215
1216         if (dev_info_size == 0) {
1217                 if (config_size != max_rx_pkt_len) {
1218                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1219                                        " %u != %u is not allowed\n",
1220                                        port_id, config_size, max_rx_pkt_len);
1221                         ret = -EINVAL;
1222                 }
1223         } else if (config_size > dev_info_size) {
1224                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1225                                "> max allowed value %u\n", port_id, config_size,
1226                                dev_info_size);
1227                 ret = -EINVAL;
1228         } else if (config_size < RTE_ETHER_MIN_LEN) {
1229                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1230                                "< min allowed value %u\n", port_id, config_size,
1231                                (unsigned int)RTE_ETHER_MIN_LEN);
1232                 ret = -EINVAL;
1233         }
1234         return ret;
1235 }
1236
1237 /*
1238  * Validate offloads that are requested through rte_eth_dev_configure against
1239  * the offloads successfully set by the ethernet device.
1240  *
1241  * @param port_id
1242  *   The port identifier of the Ethernet device.
1243  * @param req_offloads
1244  *   The offloads that have been requested through `rte_eth_dev_configure`.
1245  * @param set_offloads
1246  *   The offloads successfully set by the ethernet device.
1247  * @param offload_type
1248  *   The offload type i.e. Rx/Tx string.
1249  * @param offload_name
1250  *   The function that prints the offload name.
1251  * @return
1252  *   - (0) if validation successful.
1253  *   - (-EINVAL) if requested offload has been silently disabled.
1254  *
1255  */
1256 static int
1257 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1258                   uint64_t set_offloads, const char *offload_type,
1259                   const char *(*offload_name)(uint64_t))
1260 {
1261         uint64_t offloads_diff = req_offloads ^ set_offloads;
1262         uint64_t offload;
1263         int ret = 0;
1264
1265         while (offloads_diff != 0) {
1266                 /* Check if any offload is requested but not enabled. */
1267                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1268                 if (offload & req_offloads) {
1269                         RTE_ETHDEV_LOG(ERR,
1270                                 "Port %u failed to enable %s offload %s\n",
1271                                 port_id, offload_type, offload_name(offload));
1272                         ret = -EINVAL;
1273                 }
1274
1275                 /* Check if offload couldn't be disabled. */
1276                 if (offload & set_offloads) {
1277                         RTE_ETHDEV_LOG(DEBUG,
1278                                 "Port %u %s offload %s is not requested but enabled\n",
1279                                 port_id, offload_type, offload_name(offload));
1280                 }
1281
1282                 offloads_diff &= ~offload;
1283         }
1284
1285         return ret;
1286 }
1287
1288 int
1289 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1290                       const struct rte_eth_conf *dev_conf)
1291 {
1292         struct rte_eth_dev *dev;
1293         struct rte_eth_dev_info dev_info;
1294         struct rte_eth_conf orig_conf;
1295         int diag;
1296         int ret;
1297
1298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1299
1300         dev = &rte_eth_devices[port_id];
1301
1302         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1303
1304         if (dev->data->dev_started) {
1305                 RTE_ETHDEV_LOG(ERR,
1306                         "Port %u must be stopped to allow configuration\n",
1307                         port_id);
1308                 return -EBUSY;
1309         }
1310
1311          /* Store original config, as rollback required on failure */
1312         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1313
1314         /*
1315          * Copy the dev_conf parameter into the dev structure.
1316          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1317          */
1318         if (dev_conf != &dev->data->dev_conf)
1319                 memcpy(&dev->data->dev_conf, dev_conf,
1320                        sizeof(dev->data->dev_conf));
1321
1322         ret = rte_eth_dev_info_get(port_id, &dev_info);
1323         if (ret != 0)
1324                 goto rollback;
1325
1326         /* If number of queues specified by application for both Rx and Tx is
1327          * zero, use driver preferred values. This cannot be done individually
1328          * as it is valid for either Tx or Rx (but not both) to be zero.
1329          * If driver does not provide any preferred valued, fall back on
1330          * EAL defaults.
1331          */
1332         if (nb_rx_q == 0 && nb_tx_q == 0) {
1333                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1334                 if (nb_rx_q == 0)
1335                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1336                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1337                 if (nb_tx_q == 0)
1338                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1339         }
1340
1341         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1342                 RTE_ETHDEV_LOG(ERR,
1343                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1344                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1345                 ret = -EINVAL;
1346                 goto rollback;
1347         }
1348
1349         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1350                 RTE_ETHDEV_LOG(ERR,
1351                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1352                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1353                 ret = -EINVAL;
1354                 goto rollback;
1355         }
1356
1357         /*
1358          * Check that the numbers of RX and TX queues are not greater
1359          * than the maximum number of RX and TX queues supported by the
1360          * configured device.
1361          */
1362         if (nb_rx_q > dev_info.max_rx_queues) {
1363                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1364                         port_id, nb_rx_q, dev_info.max_rx_queues);
1365                 ret = -EINVAL;
1366                 goto rollback;
1367         }
1368
1369         if (nb_tx_q > dev_info.max_tx_queues) {
1370                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1371                         port_id, nb_tx_q, dev_info.max_tx_queues);
1372                 ret = -EINVAL;
1373                 goto rollback;
1374         }
1375
1376         /* Check that the device supports requested interrupts */
1377         if ((dev_conf->intr_conf.lsc == 1) &&
1378                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1379                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1380                         dev->device->driver->name);
1381                 ret = -EINVAL;
1382                 goto rollback;
1383         }
1384         if ((dev_conf->intr_conf.rmv == 1) &&
1385                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1386                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1387                         dev->device->driver->name);
1388                 ret = -EINVAL;
1389                 goto rollback;
1390         }
1391
1392         /*
1393          * If jumbo frames are enabled, check that the maximum RX packet
1394          * length is supported by the configured device.
1395          */
1396         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1397                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1398                         RTE_ETHDEV_LOG(ERR,
1399                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1400                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1401                                 dev_info.max_rx_pktlen);
1402                         ret = -EINVAL;
1403                         goto rollback;
1404                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1405                         RTE_ETHDEV_LOG(ERR,
1406                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1407                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1408                                 (unsigned int)RTE_ETHER_MIN_LEN);
1409                         ret = -EINVAL;
1410                         goto rollback;
1411                 }
1412         } else {
1413                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1414                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1415                         /* Use default value */
1416                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1417                                                         RTE_ETHER_MAX_LEN;
1418         }
1419
1420         /*
1421          * If LRO is enabled, check that the maximum aggregated packet
1422          * size is supported by the configured device.
1423          */
1424         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1425                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1426                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1427                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1428                 ret = eth_dev_check_lro_pkt_size(port_id,
1429                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1430                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1431                                 dev_info.max_lro_pkt_size);
1432                 if (ret != 0)
1433                         goto rollback;
1434         }
1435
1436         /* Any requested offloading must be within its device capabilities */
1437         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1438              dev_conf->rxmode.offloads) {
1439                 RTE_ETHDEV_LOG(ERR,
1440                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1441                         "capabilities 0x%"PRIx64" in %s()\n",
1442                         port_id, dev_conf->rxmode.offloads,
1443                         dev_info.rx_offload_capa,
1444                         __func__);
1445                 ret = -EINVAL;
1446                 goto rollback;
1447         }
1448         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1449              dev_conf->txmode.offloads) {
1450                 RTE_ETHDEV_LOG(ERR,
1451                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1452                         "capabilities 0x%"PRIx64" in %s()\n",
1453                         port_id, dev_conf->txmode.offloads,
1454                         dev_info.tx_offload_capa,
1455                         __func__);
1456                 ret = -EINVAL;
1457                 goto rollback;
1458         }
1459
1460         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1461                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1462
1463         /* Check that device supports requested rss hash functions. */
1464         if ((dev_info.flow_type_rss_offloads |
1465              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1466             dev_info.flow_type_rss_offloads) {
1467                 RTE_ETHDEV_LOG(ERR,
1468                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1469                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1470                         dev_info.flow_type_rss_offloads);
1471                 ret = -EINVAL;
1472                 goto rollback;
1473         }
1474
1475         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1476         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1477             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1478                 RTE_ETHDEV_LOG(ERR,
1479                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1480                         port_id,
1481                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1482                 ret = -EINVAL;
1483                 goto rollback;
1484         }
1485
1486         /*
1487          * Setup new number of RX/TX queues and reconfigure device.
1488          */
1489         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1490         if (diag != 0) {
1491                 RTE_ETHDEV_LOG(ERR,
1492                         "Port%u eth_dev_rx_queue_config = %d\n",
1493                         port_id, diag);
1494                 ret = diag;
1495                 goto rollback;
1496         }
1497
1498         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1499         if (diag != 0) {
1500                 RTE_ETHDEV_LOG(ERR,
1501                         "Port%u eth_dev_tx_queue_config = %d\n",
1502                         port_id, diag);
1503                 eth_dev_rx_queue_config(dev, 0);
1504                 ret = diag;
1505                 goto rollback;
1506         }
1507
1508         diag = (*dev->dev_ops->dev_configure)(dev);
1509         if (diag != 0) {
1510                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1511                         port_id, diag);
1512                 ret = eth_err(port_id, diag);
1513                 goto reset_queues;
1514         }
1515
1516         /* Initialize Rx profiling if enabled at compilation time. */
1517         diag = __rte_eth_dev_profile_init(port_id, dev);
1518         if (diag != 0) {
1519                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1520                         port_id, diag);
1521                 ret = eth_err(port_id, diag);
1522                 goto reset_queues;
1523         }
1524
1525         /* Validate Rx offloads. */
1526         diag = eth_dev_validate_offloads(port_id,
1527                         dev_conf->rxmode.offloads,
1528                         dev->data->dev_conf.rxmode.offloads, "Rx",
1529                         rte_eth_dev_rx_offload_name);
1530         if (diag != 0) {
1531                 ret = diag;
1532                 goto reset_queues;
1533         }
1534
1535         /* Validate Tx offloads. */
1536         diag = eth_dev_validate_offloads(port_id,
1537                         dev_conf->txmode.offloads,
1538                         dev->data->dev_conf.txmode.offloads, "Tx",
1539                         rte_eth_dev_tx_offload_name);
1540         if (diag != 0) {
1541                 ret = diag;
1542                 goto reset_queues;
1543         }
1544
1545         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1546         return 0;
1547 reset_queues:
1548         eth_dev_rx_queue_config(dev, 0);
1549         eth_dev_tx_queue_config(dev, 0);
1550 rollback:
1551         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1552
1553         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1554         return ret;
1555 }
1556
1557 void
1558 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1559 {
1560         if (dev->data->dev_started) {
1561                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1562                         dev->data->port_id);
1563                 return;
1564         }
1565
1566         eth_dev_rx_queue_config(dev, 0);
1567         eth_dev_tx_queue_config(dev, 0);
1568
1569         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1570 }
1571
1572 static void
1573 eth_dev_mac_restore(struct rte_eth_dev *dev,
1574                         struct rte_eth_dev_info *dev_info)
1575 {
1576         struct rte_ether_addr *addr;
1577         uint16_t i;
1578         uint32_t pool = 0;
1579         uint64_t pool_mask;
1580
1581         /* replay MAC address configuration including default MAC */
1582         addr = &dev->data->mac_addrs[0];
1583         if (*dev->dev_ops->mac_addr_set != NULL)
1584                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1585         else if (*dev->dev_ops->mac_addr_add != NULL)
1586                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1587
1588         if (*dev->dev_ops->mac_addr_add != NULL) {
1589                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1590                         addr = &dev->data->mac_addrs[i];
1591
1592                         /* skip zero address */
1593                         if (rte_is_zero_ether_addr(addr))
1594                                 continue;
1595
1596                         pool = 0;
1597                         pool_mask = dev->data->mac_pool_sel[i];
1598
1599                         do {
1600                                 if (pool_mask & 1ULL)
1601                                         (*dev->dev_ops->mac_addr_add)(dev,
1602                                                 addr, i, pool);
1603                                 pool_mask >>= 1;
1604                                 pool++;
1605                         } while (pool_mask);
1606                 }
1607         }
1608 }
1609
1610 static int
1611 eth_dev_config_restore(struct rte_eth_dev *dev,
1612                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1613 {
1614         int ret;
1615
1616         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1617                 eth_dev_mac_restore(dev, dev_info);
1618
1619         /* replay promiscuous configuration */
1620         /*
1621          * use callbacks directly since we don't need port_id check and
1622          * would like to bypass the same value set
1623          */
1624         if (rte_eth_promiscuous_get(port_id) == 1 &&
1625             *dev->dev_ops->promiscuous_enable != NULL) {
1626                 ret = eth_err(port_id,
1627                               (*dev->dev_ops->promiscuous_enable)(dev));
1628                 if (ret != 0 && ret != -ENOTSUP) {
1629                         RTE_ETHDEV_LOG(ERR,
1630                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1631                                 port_id, rte_strerror(-ret));
1632                         return ret;
1633                 }
1634         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1635                    *dev->dev_ops->promiscuous_disable != NULL) {
1636                 ret = eth_err(port_id,
1637                               (*dev->dev_ops->promiscuous_disable)(dev));
1638                 if (ret != 0 && ret != -ENOTSUP) {
1639                         RTE_ETHDEV_LOG(ERR,
1640                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1641                                 port_id, rte_strerror(-ret));
1642                         return ret;
1643                 }
1644         }
1645
1646         /* replay all multicast configuration */
1647         /*
1648          * use callbacks directly since we don't need port_id check and
1649          * would like to bypass the same value set
1650          */
1651         if (rte_eth_allmulticast_get(port_id) == 1 &&
1652             *dev->dev_ops->allmulticast_enable != NULL) {
1653                 ret = eth_err(port_id,
1654                               (*dev->dev_ops->allmulticast_enable)(dev));
1655                 if (ret != 0 && ret != -ENOTSUP) {
1656                         RTE_ETHDEV_LOG(ERR,
1657                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1658                                 port_id, rte_strerror(-ret));
1659                         return ret;
1660                 }
1661         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1662                    *dev->dev_ops->allmulticast_disable != NULL) {
1663                 ret = eth_err(port_id,
1664                               (*dev->dev_ops->allmulticast_disable)(dev));
1665                 if (ret != 0 && ret != -ENOTSUP) {
1666                         RTE_ETHDEV_LOG(ERR,
1667                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1668                                 port_id, rte_strerror(-ret));
1669                         return ret;
1670                 }
1671         }
1672
1673         return 0;
1674 }
1675
1676 int
1677 rte_eth_dev_start(uint16_t port_id)
1678 {
1679         struct rte_eth_dev *dev;
1680         struct rte_eth_dev_info dev_info;
1681         int diag;
1682         int ret, ret_stop;
1683
1684         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1685
1686         dev = &rte_eth_devices[port_id];
1687
1688         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1689
1690         if (dev->data->dev_started != 0) {
1691                 RTE_ETHDEV_LOG(INFO,
1692                         "Device with port_id=%"PRIu16" already started\n",
1693                         port_id);
1694                 return 0;
1695         }
1696
1697         ret = rte_eth_dev_info_get(port_id, &dev_info);
1698         if (ret != 0)
1699                 return ret;
1700
1701         /* Lets restore MAC now if device does not support live change */
1702         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1703                 eth_dev_mac_restore(dev, &dev_info);
1704
1705         diag = (*dev->dev_ops->dev_start)(dev);
1706         if (diag == 0)
1707                 dev->data->dev_started = 1;
1708         else
1709                 return eth_err(port_id, diag);
1710
1711         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1712         if (ret != 0) {
1713                 RTE_ETHDEV_LOG(ERR,
1714                         "Error during restoring configuration for device (port %u): %s\n",
1715                         port_id, rte_strerror(-ret));
1716                 ret_stop = rte_eth_dev_stop(port_id);
1717                 if (ret_stop != 0) {
1718                         RTE_ETHDEV_LOG(ERR,
1719                                 "Failed to stop device (port %u): %s\n",
1720                                 port_id, rte_strerror(-ret_stop));
1721                 }
1722
1723                 return ret;
1724         }
1725
1726         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1727                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1728                 (*dev->dev_ops->link_update)(dev, 0);
1729         }
1730
1731         rte_ethdev_trace_start(port_id);
1732         return 0;
1733 }
1734
1735 int
1736 rte_eth_dev_stop(uint16_t port_id)
1737 {
1738         struct rte_eth_dev *dev;
1739         int ret;
1740
1741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1742         dev = &rte_eth_devices[port_id];
1743
1744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1745
1746         if (dev->data->dev_started == 0) {
1747                 RTE_ETHDEV_LOG(INFO,
1748                         "Device with port_id=%"PRIu16" already stopped\n",
1749                         port_id);
1750                 return 0;
1751         }
1752
1753         dev->data->dev_started = 0;
1754         ret = (*dev->dev_ops->dev_stop)(dev);
1755         rte_ethdev_trace_stop(port_id, ret);
1756
1757         return ret;
1758 }
1759
1760 int
1761 rte_eth_dev_set_link_up(uint16_t port_id)
1762 {
1763         struct rte_eth_dev *dev;
1764
1765         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1766
1767         dev = &rte_eth_devices[port_id];
1768
1769         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1770         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1771 }
1772
1773 int
1774 rte_eth_dev_set_link_down(uint16_t port_id)
1775 {
1776         struct rte_eth_dev *dev;
1777
1778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1779
1780         dev = &rte_eth_devices[port_id];
1781
1782         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1783         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1784 }
1785
1786 int
1787 rte_eth_dev_close(uint16_t port_id)
1788 {
1789         struct rte_eth_dev *dev;
1790         int firsterr, binerr;
1791         int *lasterr = &firsterr;
1792
1793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1794         dev = &rte_eth_devices[port_id];
1795
1796         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1797         *lasterr = (*dev->dev_ops->dev_close)(dev);
1798         if (*lasterr != 0)
1799                 lasterr = &binerr;
1800
1801         rte_ethdev_trace_close(port_id);
1802         *lasterr = rte_eth_dev_release_port(dev);
1803
1804         return eth_err(port_id, firsterr);
1805 }
1806
1807 int
1808 rte_eth_dev_reset(uint16_t port_id)
1809 {
1810         struct rte_eth_dev *dev;
1811         int ret;
1812
1813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1814         dev = &rte_eth_devices[port_id];
1815
1816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1817
1818         ret = rte_eth_dev_stop(port_id);
1819         if (ret != 0) {
1820                 RTE_ETHDEV_LOG(ERR,
1821                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1822                         port_id, rte_strerror(-ret));
1823         }
1824         ret = dev->dev_ops->dev_reset(dev);
1825
1826         return eth_err(port_id, ret);
1827 }
1828
1829 int
1830 rte_eth_dev_is_removed(uint16_t port_id)
1831 {
1832         struct rte_eth_dev *dev;
1833         int ret;
1834
1835         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1836
1837         dev = &rte_eth_devices[port_id];
1838
1839         if (dev->state == RTE_ETH_DEV_REMOVED)
1840                 return 1;
1841
1842         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1843
1844         ret = dev->dev_ops->is_removed(dev);
1845         if (ret != 0)
1846                 /* Device is physically removed. */
1847                 dev->state = RTE_ETH_DEV_REMOVED;
1848
1849         return ret;
1850 }
1851
1852 static int
1853 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1854                              uint16_t n_seg, uint32_t *mbp_buf_size,
1855                              const struct rte_eth_dev_info *dev_info)
1856 {
1857         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1858         struct rte_mempool *mp_first;
1859         uint32_t offset_mask;
1860         uint16_t seg_idx;
1861
1862         if (n_seg > seg_capa->max_nseg) {
1863                 RTE_ETHDEV_LOG(ERR,
1864                                "Requested Rx segments %u exceed supported %u\n",
1865                                n_seg, seg_capa->max_nseg);
1866                 return -EINVAL;
1867         }
1868         /*
1869          * Check the sizes and offsets against buffer sizes
1870          * for each segment specified in extended configuration.
1871          */
1872         mp_first = rx_seg[0].mp;
1873         offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1874         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1875                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1876                 uint32_t length = rx_seg[seg_idx].length;
1877                 uint32_t offset = rx_seg[seg_idx].offset;
1878
1879                 if (mpl == NULL) {
1880                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1881                         return -EINVAL;
1882                 }
1883                 if (seg_idx != 0 && mp_first != mpl &&
1884                     seg_capa->multi_pools == 0) {
1885                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1886                         return -ENOTSUP;
1887                 }
1888                 if (offset != 0) {
1889                         if (seg_capa->offset_allowed == 0) {
1890                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1891                                 return -ENOTSUP;
1892                         }
1893                         if (offset & offset_mask) {
1894                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1895                                                offset,
1896                                                seg_capa->offset_align_log2);
1897                                 return -EINVAL;
1898                         }
1899                 }
1900                 if (mpl->private_data_size <
1901                         sizeof(struct rte_pktmbuf_pool_private)) {
1902                         RTE_ETHDEV_LOG(ERR,
1903                                        "%s private_data_size %u < %u\n",
1904                                        mpl->name, mpl->private_data_size,
1905                                        (unsigned int)sizeof
1906                                         (struct rte_pktmbuf_pool_private));
1907                         return -ENOSPC;
1908                 }
1909                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1910                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1911                 length = length != 0 ? length : *mbp_buf_size;
1912                 if (*mbp_buf_size < length + offset) {
1913                         RTE_ETHDEV_LOG(ERR,
1914                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1915                                        mpl->name, *mbp_buf_size,
1916                                        length + offset, length, offset);
1917                         return -EINVAL;
1918                 }
1919         }
1920         return 0;
1921 }
1922
1923 int
1924 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1925                        uint16_t nb_rx_desc, unsigned int socket_id,
1926                        const struct rte_eth_rxconf *rx_conf,
1927                        struct rte_mempool *mp)
1928 {
1929         int ret;
1930         uint32_t mbp_buf_size;
1931         struct rte_eth_dev *dev;
1932         struct rte_eth_dev_info dev_info;
1933         struct rte_eth_rxconf local_conf;
1934         void **rxq;
1935
1936         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1937
1938         dev = &rte_eth_devices[port_id];
1939         if (rx_queue_id >= dev->data->nb_rx_queues) {
1940                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1941                 return -EINVAL;
1942         }
1943
1944         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1945
1946         ret = rte_eth_dev_info_get(port_id, &dev_info);
1947         if (ret != 0)
1948                 return ret;
1949
1950         if (mp != NULL) {
1951                 /* Single pool configuration check. */
1952                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
1953                         RTE_ETHDEV_LOG(ERR,
1954                                        "Ambiguous segment configuration\n");
1955                         return -EINVAL;
1956                 }
1957                 /*
1958                  * Check the size of the mbuf data buffer, this value
1959                  * must be provided in the private data of the memory pool.
1960                  * First check that the memory pool(s) has a valid private data.
1961                  */
1962                 if (mp->private_data_size <
1963                                 sizeof(struct rte_pktmbuf_pool_private)) {
1964                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
1965                                 mp->name, mp->private_data_size,
1966                                 (unsigned int)
1967                                 sizeof(struct rte_pktmbuf_pool_private));
1968                         return -ENOSPC;
1969                 }
1970                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1971                 if (mbp_buf_size < dev_info.min_rx_bufsize +
1972                                    RTE_PKTMBUF_HEADROOM) {
1973                         RTE_ETHDEV_LOG(ERR,
1974                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
1975                                        mp->name, mbp_buf_size,
1976                                        RTE_PKTMBUF_HEADROOM +
1977                                        dev_info.min_rx_bufsize,
1978                                        RTE_PKTMBUF_HEADROOM,
1979                                        dev_info.min_rx_bufsize);
1980                         return -EINVAL;
1981                 }
1982         } else {
1983                 const struct rte_eth_rxseg_split *rx_seg;
1984                 uint16_t n_seg;
1985
1986                 /* Extended multi-segment configuration check. */
1987                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
1988                         RTE_ETHDEV_LOG(ERR,
1989                                        "Memory pool is null and no extended configuration provided\n");
1990                         return -EINVAL;
1991                 }
1992
1993                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
1994                 n_seg = rx_conf->rx_nseg;
1995
1996                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
1997                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
1998                                                            &mbp_buf_size,
1999                                                            &dev_info);
2000                         if (ret != 0)
2001                                 return ret;
2002                 } else {
2003                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2004                         return -EINVAL;
2005                 }
2006         }
2007
2008         /* Use default specified by driver, if nb_rx_desc is zero */
2009         if (nb_rx_desc == 0) {
2010                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2011                 /* If driver default is also zero, fall back on EAL default */
2012                 if (nb_rx_desc == 0)
2013                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2014         }
2015
2016         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2017                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2018                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2019
2020                 RTE_ETHDEV_LOG(ERR,
2021                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2022                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2023                         dev_info.rx_desc_lim.nb_min,
2024                         dev_info.rx_desc_lim.nb_align);
2025                 return -EINVAL;
2026         }
2027
2028         if (dev->data->dev_started &&
2029                 !(dev_info.dev_capa &
2030                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2031                 return -EBUSY;
2032
2033         if (dev->data->dev_started &&
2034                 (dev->data->rx_queue_state[rx_queue_id] !=
2035                         RTE_ETH_QUEUE_STATE_STOPPED))
2036                 return -EBUSY;
2037
2038         rxq = dev->data->rx_queues;
2039         if (rxq[rx_queue_id]) {
2040                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2041                                         -ENOTSUP);
2042                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2043                 rxq[rx_queue_id] = NULL;
2044         }
2045
2046         if (rx_conf == NULL)
2047                 rx_conf = &dev_info.default_rxconf;
2048
2049         local_conf = *rx_conf;
2050
2051         /*
2052          * If an offloading has already been enabled in
2053          * rte_eth_dev_configure(), it has been enabled on all queues,
2054          * so there is no need to enable it in this queue again.
2055          * The local_conf.offloads input to underlying PMD only carries
2056          * those offloadings which are only enabled on this queue and
2057          * not enabled on all queues.
2058          */
2059         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2060
2061         /*
2062          * New added offloadings for this queue are those not enabled in
2063          * rte_eth_dev_configure() and they must be per-queue type.
2064          * A pure per-port offloading can't be enabled on a queue while
2065          * disabled on another queue. A pure per-port offloading can't
2066          * be enabled for any queue as new added one if it hasn't been
2067          * enabled in rte_eth_dev_configure().
2068          */
2069         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2070              local_conf.offloads) {
2071                 RTE_ETHDEV_LOG(ERR,
2072                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2073                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2074                         port_id, rx_queue_id, local_conf.offloads,
2075                         dev_info.rx_queue_offload_capa,
2076                         __func__);
2077                 return -EINVAL;
2078         }
2079
2080         /*
2081          * If LRO is enabled, check that the maximum aggregated packet
2082          * size is supported by the configured device.
2083          */
2084         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2085                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2086                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
2087                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
2088                 int ret = eth_dev_check_lro_pkt_size(port_id,
2089                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2090                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
2091                                 dev_info.max_lro_pkt_size);
2092                 if (ret != 0)
2093                         return ret;
2094         }
2095
2096         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2097                                               socket_id, &local_conf, mp);
2098         if (!ret) {
2099                 if (!dev->data->min_rx_buf_size ||
2100                     dev->data->min_rx_buf_size > mbp_buf_size)
2101                         dev->data->min_rx_buf_size = mbp_buf_size;
2102         }
2103
2104         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2105                 rx_conf, ret);
2106         return eth_err(port_id, ret);
2107 }
2108
2109 int
2110 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2111                                uint16_t nb_rx_desc,
2112                                const struct rte_eth_hairpin_conf *conf)
2113 {
2114         int ret;
2115         struct rte_eth_dev *dev;
2116         struct rte_eth_hairpin_cap cap;
2117         void **rxq;
2118         int i;
2119         int count;
2120
2121         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2122
2123         dev = &rte_eth_devices[port_id];
2124         if (rx_queue_id >= dev->data->nb_rx_queues) {
2125                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2126                 return -EINVAL;
2127         }
2128         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2129         if (ret != 0)
2130                 return ret;
2131         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2132                                 -ENOTSUP);
2133         /* if nb_rx_desc is zero use max number of desc from the driver. */
2134         if (nb_rx_desc == 0)
2135                 nb_rx_desc = cap.max_nb_desc;
2136         if (nb_rx_desc > cap.max_nb_desc) {
2137                 RTE_ETHDEV_LOG(ERR,
2138                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2139                         nb_rx_desc, cap.max_nb_desc);
2140                 return -EINVAL;
2141         }
2142         if (conf->peer_count > cap.max_rx_2_tx) {
2143                 RTE_ETHDEV_LOG(ERR,
2144                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2145                         conf->peer_count, cap.max_rx_2_tx);
2146                 return -EINVAL;
2147         }
2148         if (conf->peer_count == 0) {
2149                 RTE_ETHDEV_LOG(ERR,
2150                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2151                         conf->peer_count);
2152                 return -EINVAL;
2153         }
2154         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2155              cap.max_nb_queues != UINT16_MAX; i++) {
2156                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2157                         count++;
2158         }
2159         if (count > cap.max_nb_queues) {
2160                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2161                 cap.max_nb_queues);
2162                 return -EINVAL;
2163         }
2164         if (dev->data->dev_started)
2165                 return -EBUSY;
2166         rxq = dev->data->rx_queues;
2167         if (rxq[rx_queue_id] != NULL) {
2168                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2169                                         -ENOTSUP);
2170                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2171                 rxq[rx_queue_id] = NULL;
2172         }
2173         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2174                                                       nb_rx_desc, conf);
2175         if (ret == 0)
2176                 dev->data->rx_queue_state[rx_queue_id] =
2177                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2178         return eth_err(port_id, ret);
2179 }
2180
2181 int
2182 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2183                        uint16_t nb_tx_desc, unsigned int socket_id,
2184                        const struct rte_eth_txconf *tx_conf)
2185 {
2186         struct rte_eth_dev *dev;
2187         struct rte_eth_dev_info dev_info;
2188         struct rte_eth_txconf local_conf;
2189         void **txq;
2190         int ret;
2191
2192         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2193
2194         dev = &rte_eth_devices[port_id];
2195         if (tx_queue_id >= dev->data->nb_tx_queues) {
2196                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2197                 return -EINVAL;
2198         }
2199
2200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2201
2202         ret = rte_eth_dev_info_get(port_id, &dev_info);
2203         if (ret != 0)
2204                 return ret;
2205
2206         /* Use default specified by driver, if nb_tx_desc is zero */
2207         if (nb_tx_desc == 0) {
2208                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2209                 /* If driver default is zero, fall back on EAL default */
2210                 if (nb_tx_desc == 0)
2211                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2212         }
2213         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2214             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2215             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2216                 RTE_ETHDEV_LOG(ERR,
2217                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2218                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2219                         dev_info.tx_desc_lim.nb_min,
2220                         dev_info.tx_desc_lim.nb_align);
2221                 return -EINVAL;
2222         }
2223
2224         if (dev->data->dev_started &&
2225                 !(dev_info.dev_capa &
2226                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2227                 return -EBUSY;
2228
2229         if (dev->data->dev_started &&
2230                 (dev->data->tx_queue_state[tx_queue_id] !=
2231                         RTE_ETH_QUEUE_STATE_STOPPED))
2232                 return -EBUSY;
2233
2234         txq = dev->data->tx_queues;
2235         if (txq[tx_queue_id]) {
2236                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2237                                         -ENOTSUP);
2238                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2239                 txq[tx_queue_id] = NULL;
2240         }
2241
2242         if (tx_conf == NULL)
2243                 tx_conf = &dev_info.default_txconf;
2244
2245         local_conf = *tx_conf;
2246
2247         /*
2248          * If an offloading has already been enabled in
2249          * rte_eth_dev_configure(), it has been enabled on all queues,
2250          * so there is no need to enable it in this queue again.
2251          * The local_conf.offloads input to underlying PMD only carries
2252          * those offloadings which are only enabled on this queue and
2253          * not enabled on all queues.
2254          */
2255         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2256
2257         /*
2258          * New added offloadings for this queue are those not enabled in
2259          * rte_eth_dev_configure() and they must be per-queue type.
2260          * A pure per-port offloading can't be enabled on a queue while
2261          * disabled on another queue. A pure per-port offloading can't
2262          * be enabled for any queue as new added one if it hasn't been
2263          * enabled in rte_eth_dev_configure().
2264          */
2265         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2266              local_conf.offloads) {
2267                 RTE_ETHDEV_LOG(ERR,
2268                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2269                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2270                         port_id, tx_queue_id, local_conf.offloads,
2271                         dev_info.tx_queue_offload_capa,
2272                         __func__);
2273                 return -EINVAL;
2274         }
2275
2276         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2277         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2278                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2279 }
2280
2281 int
2282 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2283                                uint16_t nb_tx_desc,
2284                                const struct rte_eth_hairpin_conf *conf)
2285 {
2286         struct rte_eth_dev *dev;
2287         struct rte_eth_hairpin_cap cap;
2288         void **txq;
2289         int i;
2290         int count;
2291         int ret;
2292
2293         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2294         dev = &rte_eth_devices[port_id];
2295         if (tx_queue_id >= dev->data->nb_tx_queues) {
2296                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2297                 return -EINVAL;
2298         }
2299         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2300         if (ret != 0)
2301                 return ret;
2302         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2303                                 -ENOTSUP);
2304         /* if nb_rx_desc is zero use max number of desc from the driver. */
2305         if (nb_tx_desc == 0)
2306                 nb_tx_desc = cap.max_nb_desc;
2307         if (nb_tx_desc > cap.max_nb_desc) {
2308                 RTE_ETHDEV_LOG(ERR,
2309                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2310                         nb_tx_desc, cap.max_nb_desc);
2311                 return -EINVAL;
2312         }
2313         if (conf->peer_count > cap.max_tx_2_rx) {
2314                 RTE_ETHDEV_LOG(ERR,
2315                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2316                         conf->peer_count, cap.max_tx_2_rx);
2317                 return -EINVAL;
2318         }
2319         if (conf->peer_count == 0) {
2320                 RTE_ETHDEV_LOG(ERR,
2321                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2322                         conf->peer_count);
2323                 return -EINVAL;
2324         }
2325         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2326              cap.max_nb_queues != UINT16_MAX; i++) {
2327                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2328                         count++;
2329         }
2330         if (count > cap.max_nb_queues) {
2331                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2332                 cap.max_nb_queues);
2333                 return -EINVAL;
2334         }
2335         if (dev->data->dev_started)
2336                 return -EBUSY;
2337         txq = dev->data->tx_queues;
2338         if (txq[tx_queue_id] != NULL) {
2339                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2340                                         -ENOTSUP);
2341                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2342                 txq[tx_queue_id] = NULL;
2343         }
2344         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2345                 (dev, tx_queue_id, nb_tx_desc, conf);
2346         if (ret == 0)
2347                 dev->data->tx_queue_state[tx_queue_id] =
2348                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2349         return eth_err(port_id, ret);
2350 }
2351
2352 int
2353 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2354 {
2355         struct rte_eth_dev *dev;
2356         int ret;
2357
2358         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2359         dev = &rte_eth_devices[tx_port];
2360         if (dev->data->dev_started == 0) {
2361                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2362                 return -EBUSY;
2363         }
2364
2365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2366         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2367         if (ret != 0)
2368                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2369                                " to Rx %d (%d - all ports)\n",
2370                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2371
2372         return ret;
2373 }
2374
2375 int
2376 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2377 {
2378         struct rte_eth_dev *dev;
2379         int ret;
2380
2381         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2382         dev = &rte_eth_devices[tx_port];
2383         if (dev->data->dev_started == 0) {
2384                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2385                 return -EBUSY;
2386         }
2387
2388         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2389         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2390         if (ret != 0)
2391                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2392                                " from Rx %d (%d - all ports)\n",
2393                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2394
2395         return ret;
2396 }
2397
2398 int
2399 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2400                                size_t len, uint32_t direction)
2401 {
2402         struct rte_eth_dev *dev;
2403         int ret;
2404
2405         if (peer_ports == NULL || len == 0)
2406                 return -EINVAL;
2407
2408         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2409         dev = &rte_eth_devices[port_id];
2410         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2411                                 -ENOTSUP);
2412
2413         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2414                                                       len, direction);
2415         if (ret < 0)
2416                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2417                                port_id, direction ? "Rx" : "Tx");
2418
2419         return ret;
2420 }
2421
2422 void
2423 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2424                 void *userdata __rte_unused)
2425 {
2426         rte_pktmbuf_free_bulk(pkts, unsent);
2427 }
2428
2429 void
2430 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2431                 void *userdata)
2432 {
2433         uint64_t *count = userdata;
2434
2435         rte_pktmbuf_free_bulk(pkts, unsent);
2436         *count += unsent;
2437 }
2438
2439 int
2440 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2441                 buffer_tx_error_fn cbfn, void *userdata)
2442 {
2443         buffer->error_callback = cbfn;
2444         buffer->error_userdata = userdata;
2445         return 0;
2446 }
2447
2448 int
2449 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2450 {
2451         int ret = 0;
2452
2453         if (buffer == NULL)
2454                 return -EINVAL;
2455
2456         buffer->size = size;
2457         if (buffer->error_callback == NULL) {
2458                 ret = rte_eth_tx_buffer_set_err_callback(
2459                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2460         }
2461
2462         return ret;
2463 }
2464
2465 int
2466 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2467 {
2468         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2469         int ret;
2470
2471         /* Validate Input Data. Bail if not valid or not supported. */
2472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2474
2475         /* Call driver to free pending mbufs. */
2476         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2477                                                free_cnt);
2478         return eth_err(port_id, ret);
2479 }
2480
2481 int
2482 rte_eth_promiscuous_enable(uint16_t port_id)
2483 {
2484         struct rte_eth_dev *dev;
2485         int diag = 0;
2486
2487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2488         dev = &rte_eth_devices[port_id];
2489
2490         if (dev->data->promiscuous == 1)
2491                 return 0;
2492
2493         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2494
2495         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2496         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2497
2498         return eth_err(port_id, diag);
2499 }
2500
2501 int
2502 rte_eth_promiscuous_disable(uint16_t port_id)
2503 {
2504         struct rte_eth_dev *dev;
2505         int diag = 0;
2506
2507         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2508         dev = &rte_eth_devices[port_id];
2509
2510         if (dev->data->promiscuous == 0)
2511                 return 0;
2512
2513         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2514
2515         dev->data->promiscuous = 0;
2516         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2517         if (diag != 0)
2518                 dev->data->promiscuous = 1;
2519
2520         return eth_err(port_id, diag);
2521 }
2522
2523 int
2524 rte_eth_promiscuous_get(uint16_t port_id)
2525 {
2526         struct rte_eth_dev *dev;
2527
2528         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2529
2530         dev = &rte_eth_devices[port_id];
2531         return dev->data->promiscuous;
2532 }
2533
2534 int
2535 rte_eth_allmulticast_enable(uint16_t port_id)
2536 {
2537         struct rte_eth_dev *dev;
2538         int diag;
2539
2540         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2541         dev = &rte_eth_devices[port_id];
2542
2543         if (dev->data->all_multicast == 1)
2544                 return 0;
2545
2546         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2547         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2548         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2549
2550         return eth_err(port_id, diag);
2551 }
2552
2553 int
2554 rte_eth_allmulticast_disable(uint16_t port_id)
2555 {
2556         struct rte_eth_dev *dev;
2557         int diag;
2558
2559         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2560         dev = &rte_eth_devices[port_id];
2561
2562         if (dev->data->all_multicast == 0)
2563                 return 0;
2564
2565         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2566         dev->data->all_multicast = 0;
2567         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2568         if (diag != 0)
2569                 dev->data->all_multicast = 1;
2570
2571         return eth_err(port_id, diag);
2572 }
2573
2574 int
2575 rte_eth_allmulticast_get(uint16_t port_id)
2576 {
2577         struct rte_eth_dev *dev;
2578
2579         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2580
2581         dev = &rte_eth_devices[port_id];
2582         return dev->data->all_multicast;
2583 }
2584
2585 int
2586 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2587 {
2588         struct rte_eth_dev *dev;
2589
2590         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2591         dev = &rte_eth_devices[port_id];
2592
2593         if (dev->data->dev_conf.intr_conf.lsc &&
2594             dev->data->dev_started)
2595                 rte_eth_linkstatus_get(dev, eth_link);
2596         else {
2597                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2598                 (*dev->dev_ops->link_update)(dev, 1);
2599                 *eth_link = dev->data->dev_link;
2600         }
2601
2602         return 0;
2603 }
2604
2605 int
2606 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2607 {
2608         struct rte_eth_dev *dev;
2609
2610         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2611         dev = &rte_eth_devices[port_id];
2612
2613         if (dev->data->dev_conf.intr_conf.lsc &&
2614             dev->data->dev_started)
2615                 rte_eth_linkstatus_get(dev, eth_link);
2616         else {
2617                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2618                 (*dev->dev_ops->link_update)(dev, 0);
2619                 *eth_link = dev->data->dev_link;
2620         }
2621
2622         return 0;
2623 }
2624
2625 const char *
2626 rte_eth_link_speed_to_str(uint32_t link_speed)
2627 {
2628         switch (link_speed) {
2629         case ETH_SPEED_NUM_NONE: return "None";
2630         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2631         case ETH_SPEED_NUM_100M: return "100 Mbps";
2632         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2633         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2634         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2635         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2636         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2637         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2638         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2639         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2640         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2641         case ETH_SPEED_NUM_100G: return "100 Gbps";
2642         case ETH_SPEED_NUM_200G: return "200 Gbps";
2643         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2644         default: return "Invalid";
2645         }
2646 }
2647
2648 int
2649 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2650 {
2651         if (eth_link->link_status == ETH_LINK_DOWN)
2652                 return snprintf(str, len, "Link down");
2653         else
2654                 return snprintf(str, len, "Link up at %s %s %s",
2655                         rte_eth_link_speed_to_str(eth_link->link_speed),
2656                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2657                         "FDX" : "HDX",
2658                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2659                         "Autoneg" : "Fixed");
2660 }
2661
2662 int
2663 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2664 {
2665         struct rte_eth_dev *dev;
2666
2667         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2668
2669         dev = &rte_eth_devices[port_id];
2670         memset(stats, 0, sizeof(*stats));
2671
2672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2673         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2674         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2675 }
2676
2677 int
2678 rte_eth_stats_reset(uint16_t port_id)
2679 {
2680         struct rte_eth_dev *dev;
2681         int ret;
2682
2683         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2684         dev = &rte_eth_devices[port_id];
2685
2686         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2687         ret = (*dev->dev_ops->stats_reset)(dev);
2688         if (ret != 0)
2689                 return eth_err(port_id, ret);
2690
2691         dev->data->rx_mbuf_alloc_failed = 0;
2692
2693         return 0;
2694 }
2695
2696 static inline int
2697 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2698 {
2699         uint16_t nb_rxqs, nb_txqs;
2700         int count;
2701
2702         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2703         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2704
2705         count = RTE_NB_STATS;
2706         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2707                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2708                 count += nb_txqs * RTE_NB_TXQ_STATS;
2709         }
2710
2711         return count;
2712 }
2713
2714 static int
2715 eth_dev_get_xstats_count(uint16_t port_id)
2716 {
2717         struct rte_eth_dev *dev;
2718         int count;
2719
2720         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2721         dev = &rte_eth_devices[port_id];
2722         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2723                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2724                                 NULL, 0);
2725                 if (count < 0)
2726                         return eth_err(port_id, count);
2727         }
2728         if (dev->dev_ops->xstats_get_names != NULL) {
2729                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2730                 if (count < 0)
2731                         return eth_err(port_id, count);
2732         } else
2733                 count = 0;
2734
2735
2736         count += eth_dev_get_xstats_basic_count(dev);
2737
2738         return count;
2739 }
2740
2741 int
2742 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2743                 uint64_t *id)
2744 {
2745         int cnt_xstats, idx_xstat;
2746
2747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2748
2749         if (!id) {
2750                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2751                 return -ENOMEM;
2752         }
2753
2754         if (!xstat_name) {
2755                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2756                 return -ENOMEM;
2757         }
2758
2759         /* Get count */
2760         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2761         if (cnt_xstats  < 0) {
2762                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2763                 return -ENODEV;
2764         }
2765
2766         /* Get id-name lookup table */
2767         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2768
2769         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2770                         port_id, xstats_names, cnt_xstats, NULL)) {
2771                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2772                 return -1;
2773         }
2774
2775         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2776                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2777                         *id = idx_xstat;
2778                         return 0;
2779                 };
2780         }
2781
2782         return -EINVAL;
2783 }
2784
2785 /* retrieve basic stats names */
2786 static int
2787 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2788         struct rte_eth_xstat_name *xstats_names)
2789 {
2790         int cnt_used_entries = 0;
2791         uint32_t idx, id_queue;
2792         uint16_t num_q;
2793
2794         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2795                 strlcpy(xstats_names[cnt_used_entries].name,
2796                         eth_dev_stats_strings[idx].name,
2797                         sizeof(xstats_names[0].name));
2798                 cnt_used_entries++;
2799         }
2800
2801         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2802                 return cnt_used_entries;
2803
2804         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2805         for (id_queue = 0; id_queue < num_q; id_queue++) {
2806                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2807                         snprintf(xstats_names[cnt_used_entries].name,
2808                                 sizeof(xstats_names[0].name),
2809                                 "rx_q%u_%s",
2810                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2811                         cnt_used_entries++;
2812                 }
2813
2814         }
2815         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2816         for (id_queue = 0; id_queue < num_q; id_queue++) {
2817                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2818                         snprintf(xstats_names[cnt_used_entries].name,
2819                                 sizeof(xstats_names[0].name),
2820                                 "tx_q%u_%s",
2821                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2822                         cnt_used_entries++;
2823                 }
2824         }
2825         return cnt_used_entries;
2826 }
2827
2828 /* retrieve ethdev extended statistics names */
2829 int
2830 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2831         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2832         uint64_t *ids)
2833 {
2834         struct rte_eth_xstat_name *xstats_names_copy;
2835         unsigned int no_basic_stat_requested = 1;
2836         unsigned int no_ext_stat_requested = 1;
2837         unsigned int expected_entries;
2838         unsigned int basic_count;
2839         struct rte_eth_dev *dev;
2840         unsigned int i;
2841         int ret;
2842
2843         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2844         dev = &rte_eth_devices[port_id];
2845
2846         basic_count = eth_dev_get_xstats_basic_count(dev);
2847         ret = eth_dev_get_xstats_count(port_id);
2848         if (ret < 0)
2849                 return ret;
2850         expected_entries = (unsigned int)ret;
2851
2852         /* Return max number of stats if no ids given */
2853         if (!ids) {
2854                 if (!xstats_names)
2855                         return expected_entries;
2856                 else if (xstats_names && size < expected_entries)
2857                         return expected_entries;
2858         }
2859
2860         if (ids && !xstats_names)
2861                 return -EINVAL;
2862
2863         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2864                 uint64_t ids_copy[size];
2865
2866                 for (i = 0; i < size; i++) {
2867                         if (ids[i] < basic_count) {
2868                                 no_basic_stat_requested = 0;
2869                                 break;
2870                         }
2871
2872                         /*
2873                          * Convert ids to xstats ids that PMD knows.
2874                          * ids known by user are basic + extended stats.
2875                          */
2876                         ids_copy[i] = ids[i] - basic_count;
2877                 }
2878
2879                 if (no_basic_stat_requested)
2880                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2881                                         xstats_names, ids_copy, size);
2882         }
2883
2884         /* Retrieve all stats */
2885         if (!ids) {
2886                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2887                                 expected_entries);
2888                 if (num_stats < 0 || num_stats > (int)expected_entries)
2889                         return num_stats;
2890                 else
2891                         return expected_entries;
2892         }
2893
2894         xstats_names_copy = calloc(expected_entries,
2895                 sizeof(struct rte_eth_xstat_name));
2896
2897         if (!xstats_names_copy) {
2898                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2899                 return -ENOMEM;
2900         }
2901
2902         if (ids) {
2903                 for (i = 0; i < size; i++) {
2904                         if (ids[i] >= basic_count) {
2905                                 no_ext_stat_requested = 0;
2906                                 break;
2907                         }
2908                 }
2909         }
2910
2911         /* Fill xstats_names_copy structure */
2912         if (ids && no_ext_stat_requested) {
2913                 eth_basic_stats_get_names(dev, xstats_names_copy);
2914         } else {
2915                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2916                         expected_entries);
2917                 if (ret < 0) {
2918                         free(xstats_names_copy);
2919                         return ret;
2920                 }
2921         }
2922
2923         /* Filter stats */
2924         for (i = 0; i < size; i++) {
2925                 if (ids[i] >= expected_entries) {
2926                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2927                         free(xstats_names_copy);
2928                         return -1;
2929                 }
2930                 xstats_names[i] = xstats_names_copy[ids[i]];
2931         }
2932
2933         free(xstats_names_copy);
2934         return size;
2935 }
2936
2937 int
2938 rte_eth_xstats_get_names(uint16_t port_id,
2939         struct rte_eth_xstat_name *xstats_names,
2940         unsigned int size)
2941 {
2942         struct rte_eth_dev *dev;
2943         int cnt_used_entries;
2944         int cnt_expected_entries;
2945         int cnt_driver_entries;
2946
2947         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
2948         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2949                         (int)size < cnt_expected_entries)
2950                 return cnt_expected_entries;
2951
2952         /* port_id checked in eth_dev_get_xstats_count() */
2953         dev = &rte_eth_devices[port_id];
2954
2955         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
2956
2957         if (dev->dev_ops->xstats_get_names != NULL) {
2958                 /* If there are any driver-specific xstats, append them
2959                  * to end of list.
2960                  */
2961                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2962                         dev,
2963                         xstats_names + cnt_used_entries,
2964                         size - cnt_used_entries);
2965                 if (cnt_driver_entries < 0)
2966                         return eth_err(port_id, cnt_driver_entries);
2967                 cnt_used_entries += cnt_driver_entries;
2968         }
2969
2970         return cnt_used_entries;
2971 }
2972
2973
2974 static int
2975 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2976 {
2977         struct rte_eth_dev *dev;
2978         struct rte_eth_stats eth_stats;
2979         unsigned int count = 0, i, q;
2980         uint64_t val, *stats_ptr;
2981         uint16_t nb_rxqs, nb_txqs;
2982         int ret;
2983
2984         ret = rte_eth_stats_get(port_id, &eth_stats);
2985         if (ret < 0)
2986                 return ret;
2987
2988         dev = &rte_eth_devices[port_id];
2989
2990         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2991         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2992
2993         /* global stats */
2994         for (i = 0; i < RTE_NB_STATS; i++) {
2995                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2996                                         eth_dev_stats_strings[i].offset);
2997                 val = *stats_ptr;
2998                 xstats[count++].value = val;
2999         }
3000
3001         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3002                 return count;
3003
3004         /* per-rxq stats */
3005         for (q = 0; q < nb_rxqs; q++) {
3006                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3007                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3008                                         eth_dev_rxq_stats_strings[i].offset +
3009                                         q * sizeof(uint64_t));
3010                         val = *stats_ptr;
3011                         xstats[count++].value = val;
3012                 }
3013         }
3014
3015         /* per-txq stats */
3016         for (q = 0; q < nb_txqs; q++) {
3017                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3018                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3019                                         eth_dev_txq_stats_strings[i].offset +
3020                                         q * sizeof(uint64_t));
3021                         val = *stats_ptr;
3022                         xstats[count++].value = val;
3023                 }
3024         }
3025         return count;
3026 }
3027
3028 /* retrieve ethdev extended statistics */
3029 int
3030 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3031                          uint64_t *values, unsigned int size)
3032 {
3033         unsigned int no_basic_stat_requested = 1;
3034         unsigned int no_ext_stat_requested = 1;
3035         unsigned int num_xstats_filled;
3036         unsigned int basic_count;
3037         uint16_t expected_entries;
3038         struct rte_eth_dev *dev;
3039         unsigned int i;
3040         int ret;
3041
3042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3043         ret = eth_dev_get_xstats_count(port_id);
3044         if (ret < 0)
3045                 return ret;
3046         expected_entries = (uint16_t)ret;
3047         struct rte_eth_xstat xstats[expected_entries];
3048         dev = &rte_eth_devices[port_id];
3049         basic_count = eth_dev_get_xstats_basic_count(dev);
3050
3051         /* Return max number of stats if no ids given */
3052         if (!ids) {
3053                 if (!values)
3054                         return expected_entries;
3055                 else if (values && size < expected_entries)
3056                         return expected_entries;
3057         }
3058
3059         if (ids && !values)
3060                 return -EINVAL;
3061
3062         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3063                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3064                 uint64_t ids_copy[size];
3065
3066                 for (i = 0; i < size; i++) {
3067                         if (ids[i] < basic_count) {
3068                                 no_basic_stat_requested = 0;
3069                                 break;
3070                         }
3071
3072                         /*
3073                          * Convert ids to xstats ids that PMD knows.
3074                          * ids known by user are basic + extended stats.
3075                          */
3076                         ids_copy[i] = ids[i] - basic_count;
3077                 }
3078
3079                 if (no_basic_stat_requested)
3080                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3081                                         values, size);
3082         }
3083
3084         if (ids) {
3085                 for (i = 0; i < size; i++) {
3086                         if (ids[i] >= basic_count) {
3087                                 no_ext_stat_requested = 0;
3088                                 break;
3089                         }
3090                 }
3091         }
3092
3093         /* Fill the xstats structure */
3094         if (ids && no_ext_stat_requested)
3095                 ret = eth_basic_stats_get(port_id, xstats);
3096         else
3097                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3098
3099         if (ret < 0)
3100                 return ret;
3101         num_xstats_filled = (unsigned int)ret;
3102
3103         /* Return all stats */
3104         if (!ids) {
3105                 for (i = 0; i < num_xstats_filled; i++)
3106                         values[i] = xstats[i].value;
3107                 return expected_entries;
3108         }
3109
3110         /* Filter stats */
3111         for (i = 0; i < size; i++) {
3112                 if (ids[i] >= expected_entries) {
3113                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3114                         return -1;
3115                 }
3116                 values[i] = xstats[ids[i]].value;
3117         }
3118         return size;
3119 }
3120
3121 int
3122 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3123         unsigned int n)
3124 {
3125         struct rte_eth_dev *dev;
3126         unsigned int count = 0, i;
3127         signed int xcount = 0;
3128         uint16_t nb_rxqs, nb_txqs;
3129         int ret;
3130
3131         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3132
3133         dev = &rte_eth_devices[port_id];
3134
3135         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3136         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3137
3138         /* Return generic statistics */
3139         count = RTE_NB_STATS;
3140         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3141                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3142
3143         /* implemented by the driver */
3144         if (dev->dev_ops->xstats_get != NULL) {
3145                 /* Retrieve the xstats from the driver at the end of the
3146                  * xstats struct.
3147                  */
3148                 xcount = (*dev->dev_ops->xstats_get)(dev,
3149                                      xstats ? xstats + count : NULL,
3150                                      (n > count) ? n - count : 0);
3151
3152                 if (xcount < 0)
3153                         return eth_err(port_id, xcount);
3154         }
3155
3156         if (n < count + xcount || xstats == NULL)
3157                 return count + xcount;
3158
3159         /* now fill the xstats structure */
3160         ret = eth_basic_stats_get(port_id, xstats);
3161         if (ret < 0)
3162                 return ret;
3163         count = ret;
3164
3165         for (i = 0; i < count; i++)
3166                 xstats[i].id = i;
3167         /* add an offset to driver-specific stats */
3168         for ( ; i < count + xcount; i++)
3169                 xstats[i].id += count;
3170
3171         return count + xcount;
3172 }
3173
3174 /* reset ethdev extended statistics */
3175 int
3176 rte_eth_xstats_reset(uint16_t port_id)
3177 {
3178         struct rte_eth_dev *dev;
3179
3180         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3181         dev = &rte_eth_devices[port_id];
3182
3183         /* implemented by the driver */
3184         if (dev->dev_ops->xstats_reset != NULL)
3185                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3186
3187         /* fallback to default */
3188         return rte_eth_stats_reset(port_id);
3189 }
3190
3191 static int
3192 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3193                 uint8_t stat_idx, uint8_t is_rx)
3194 {
3195         struct rte_eth_dev *dev;
3196
3197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3198
3199         dev = &rte_eth_devices[port_id];
3200
3201         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3202
3203         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3204                 return -EINVAL;
3205
3206         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3207                 return -EINVAL;
3208
3209         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3210                 return -EINVAL;
3211
3212         return (*dev->dev_ops->queue_stats_mapping_set)
3213                         (dev, queue_id, stat_idx, is_rx);
3214 }
3215
3216
3217 int
3218 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3219                 uint8_t stat_idx)
3220 {
3221         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3222                                                 tx_queue_id,
3223                                                 stat_idx, STAT_QMAP_TX));
3224 }
3225
3226
3227 int
3228 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3229                 uint8_t stat_idx)
3230 {
3231         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3232                                                 rx_queue_id,
3233                                                 stat_idx, STAT_QMAP_RX));
3234 }
3235
3236 int
3237 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3238 {
3239         struct rte_eth_dev *dev;
3240
3241         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3242         dev = &rte_eth_devices[port_id];
3243
3244         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3245         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3246                                                         fw_version, fw_size));
3247 }
3248
3249 int
3250 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3251 {
3252         struct rte_eth_dev *dev;
3253         const struct rte_eth_desc_lim lim = {
3254                 .nb_max = UINT16_MAX,
3255                 .nb_min = 0,
3256                 .nb_align = 1,
3257                 .nb_seg_max = UINT16_MAX,
3258                 .nb_mtu_seg_max = UINT16_MAX,
3259         };
3260         int diag;
3261
3262         /*
3263          * Init dev_info before port_id check since caller does not have
3264          * return status and does not know if get is successful or not.
3265          */
3266         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3267         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3268
3269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3270         dev = &rte_eth_devices[port_id];
3271
3272         dev_info->rx_desc_lim = lim;
3273         dev_info->tx_desc_lim = lim;
3274         dev_info->device = dev->device;
3275         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3276         dev_info->max_mtu = UINT16_MAX;
3277
3278         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3279         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3280         if (diag != 0) {
3281                 /* Cleanup already filled in device information */
3282                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3283                 return eth_err(port_id, diag);
3284         }
3285
3286         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3287         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3288                         RTE_MAX_QUEUES_PER_PORT);
3289         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3290                         RTE_MAX_QUEUES_PER_PORT);
3291
3292         dev_info->driver_name = dev->device->driver->name;
3293         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3294         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3295
3296         dev_info->dev_flags = &dev->data->dev_flags;
3297
3298         return 0;
3299 }
3300
3301 int
3302 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3303                                  uint32_t *ptypes, int num)
3304 {
3305         int i, j;
3306         struct rte_eth_dev *dev;
3307         const uint32_t *all_ptypes;
3308
3309         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3310         dev = &rte_eth_devices[port_id];
3311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3312         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3313
3314         if (!all_ptypes)
3315                 return 0;
3316
3317         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3318                 if (all_ptypes[i] & ptype_mask) {
3319                         if (j < num)
3320                                 ptypes[j] = all_ptypes[i];
3321                         j++;
3322                 }
3323
3324         return j;
3325 }
3326
3327 int
3328 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3329                                  uint32_t *set_ptypes, unsigned int num)
3330 {
3331         const uint32_t valid_ptype_masks[] = {
3332                 RTE_PTYPE_L2_MASK,
3333                 RTE_PTYPE_L3_MASK,
3334                 RTE_PTYPE_L4_MASK,
3335                 RTE_PTYPE_TUNNEL_MASK,
3336                 RTE_PTYPE_INNER_L2_MASK,
3337                 RTE_PTYPE_INNER_L3_MASK,
3338                 RTE_PTYPE_INNER_L4_MASK,
3339         };
3340         const uint32_t *all_ptypes;
3341         struct rte_eth_dev *dev;
3342         uint32_t unused_mask;
3343         unsigned int i, j;
3344         int ret;
3345
3346         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3347         dev = &rte_eth_devices[port_id];
3348
3349         if (num > 0 && set_ptypes == NULL)
3350                 return -EINVAL;
3351
3352         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3353                         *dev->dev_ops->dev_ptypes_set == NULL) {
3354                 ret = 0;
3355                 goto ptype_unknown;
3356         }
3357
3358         if (ptype_mask == 0) {
3359                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3360                                 ptype_mask);
3361                 goto ptype_unknown;
3362         }
3363
3364         unused_mask = ptype_mask;
3365         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3366                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3367                 if (mask && mask != valid_ptype_masks[i]) {
3368                         ret = -EINVAL;
3369                         goto ptype_unknown;
3370                 }
3371                 unused_mask &= ~valid_ptype_masks[i];
3372         }
3373
3374         if (unused_mask) {
3375                 ret = -EINVAL;
3376                 goto ptype_unknown;
3377         }
3378
3379         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3380         if (all_ptypes == NULL) {
3381                 ret = 0;
3382                 goto ptype_unknown;
3383         }
3384
3385         /*
3386          * Accommodate as many set_ptypes as possible. If the supplied
3387          * set_ptypes array is insufficient fill it partially.
3388          */
3389         for (i = 0, j = 0; set_ptypes != NULL &&
3390                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3391                 if (ptype_mask & all_ptypes[i]) {
3392                         if (j < num - 1) {
3393                                 set_ptypes[j] = all_ptypes[i];
3394                                 j++;
3395                                 continue;
3396                         }
3397                         break;
3398                 }
3399         }
3400
3401         if (set_ptypes != NULL && j < num)
3402                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3403
3404         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3405
3406 ptype_unknown:
3407         if (num > 0)
3408                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3409
3410         return ret;
3411 }
3412
3413 int
3414 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3415 {
3416         struct rte_eth_dev *dev;
3417
3418         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3419         dev = &rte_eth_devices[port_id];
3420         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3421
3422         return 0;
3423 }
3424
3425 int
3426 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3427 {
3428         struct rte_eth_dev *dev;
3429
3430         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3431
3432         dev = &rte_eth_devices[port_id];
3433         *mtu = dev->data->mtu;
3434         return 0;
3435 }
3436
3437 int
3438 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3439 {
3440         int ret;
3441         struct rte_eth_dev_info dev_info;
3442         struct rte_eth_dev *dev;
3443
3444         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3445         dev = &rte_eth_devices[port_id];
3446         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3447
3448         /*
3449          * Check if the device supports dev_infos_get, if it does not
3450          * skip min_mtu/max_mtu validation here as this requires values
3451          * that are populated within the call to rte_eth_dev_info_get()
3452          * which relies on dev->dev_ops->dev_infos_get.
3453          */
3454         if (*dev->dev_ops->dev_infos_get != NULL) {
3455                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3456                 if (ret != 0)
3457                         return ret;
3458
3459                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3460                         return -EINVAL;
3461         }
3462
3463         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3464         if (!ret)
3465                 dev->data->mtu = mtu;
3466
3467         return eth_err(port_id, ret);
3468 }
3469
3470 int
3471 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3472 {
3473         struct rte_eth_dev *dev;
3474         int ret;
3475
3476         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3477         dev = &rte_eth_devices[port_id];
3478         if (!(dev->data->dev_conf.rxmode.offloads &
3479               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3480                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3481                         port_id);
3482                 return -ENOSYS;
3483         }
3484
3485         if (vlan_id > 4095) {
3486                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3487                         port_id, vlan_id);
3488                 return -EINVAL;
3489         }
3490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3491
3492         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3493         if (ret == 0) {
3494                 struct rte_vlan_filter_conf *vfc;
3495                 int vidx;
3496                 int vbit;
3497
3498                 vfc = &dev->data->vlan_filter_conf;
3499                 vidx = vlan_id / 64;
3500                 vbit = vlan_id % 64;
3501
3502                 if (on)
3503                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3504                 else
3505                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3506         }
3507
3508         return eth_err(port_id, ret);
3509 }
3510
3511 int
3512 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3513                                     int on)
3514 {
3515         struct rte_eth_dev *dev;
3516
3517         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3518         dev = &rte_eth_devices[port_id];
3519         if (rx_queue_id >= dev->data->nb_rx_queues) {
3520                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3521                 return -EINVAL;
3522         }
3523
3524         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3525         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3526
3527         return 0;
3528 }
3529
3530 int
3531 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3532                                 enum rte_vlan_type vlan_type,
3533                                 uint16_t tpid)
3534 {
3535         struct rte_eth_dev *dev;
3536
3537         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3538         dev = &rte_eth_devices[port_id];
3539         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3540
3541         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3542                                                                tpid));
3543 }
3544
3545 int
3546 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3547 {
3548         struct rte_eth_dev_info dev_info;
3549         struct rte_eth_dev *dev;
3550         int ret = 0;
3551         int mask = 0;
3552         int cur, org = 0;
3553         uint64_t orig_offloads;
3554         uint64_t dev_offloads;
3555         uint64_t new_offloads;
3556
3557         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3558         dev = &rte_eth_devices[port_id];
3559
3560         /* save original values in case of failure */
3561         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3562         dev_offloads = orig_offloads;
3563
3564         /* check which option changed by application */
3565         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3566         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3567         if (cur != org) {
3568                 if (cur)
3569                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3570                 else
3571                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3572                 mask |= ETH_VLAN_STRIP_MASK;
3573         }
3574
3575         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3576         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3577         if (cur != org) {
3578                 if (cur)
3579                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3580                 else
3581                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3582                 mask |= ETH_VLAN_FILTER_MASK;
3583         }
3584
3585         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3586         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3587         if (cur != org) {
3588                 if (cur)
3589                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3590                 else
3591                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3592                 mask |= ETH_VLAN_EXTEND_MASK;
3593         }
3594
3595         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3596         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3597         if (cur != org) {
3598                 if (cur)
3599                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3600                 else
3601                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3602                 mask |= ETH_QINQ_STRIP_MASK;
3603         }
3604
3605         /*no change*/
3606         if (mask == 0)
3607                 return ret;
3608
3609         ret = rte_eth_dev_info_get(port_id, &dev_info);
3610         if (ret != 0)
3611                 return ret;
3612
3613         /* Rx VLAN offloading must be within its device capabilities */
3614         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3615                 new_offloads = dev_offloads & ~orig_offloads;
3616                 RTE_ETHDEV_LOG(ERR,
3617                         "Ethdev port_id=%u requested new added VLAN offloads "
3618                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3619                         "0x%" PRIx64 " in %s()\n",
3620                         port_id, new_offloads, dev_info.rx_offload_capa,
3621                         __func__);
3622                 return -EINVAL;
3623         }
3624
3625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3626         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3627         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3628         if (ret) {
3629                 /* hit an error restore  original values */
3630                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3631         }
3632
3633         return eth_err(port_id, ret);
3634 }
3635
3636 int
3637 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3638 {
3639         struct rte_eth_dev *dev;
3640         uint64_t *dev_offloads;
3641         int ret = 0;
3642
3643         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3644         dev = &rte_eth_devices[port_id];
3645         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3646
3647         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3648                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3649
3650         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3651                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3652
3653         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3654                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3655
3656         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3657                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3658
3659         return ret;
3660 }
3661
3662 int
3663 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3664 {
3665         struct rte_eth_dev *dev;
3666
3667         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3668         dev = &rte_eth_devices[port_id];
3669         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3670
3671         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3672 }
3673
3674 int
3675 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3676 {
3677         struct rte_eth_dev *dev;
3678
3679         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3680         dev = &rte_eth_devices[port_id];
3681         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3682         memset(fc_conf, 0, sizeof(*fc_conf));
3683         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3684 }
3685
3686 int
3687 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3688 {
3689         struct rte_eth_dev *dev;
3690
3691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3692         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3693                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3694                 return -EINVAL;
3695         }
3696
3697         dev = &rte_eth_devices[port_id];
3698         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3699         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3700 }
3701
3702 int
3703 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3704                                    struct rte_eth_pfc_conf *pfc_conf)
3705 {
3706         struct rte_eth_dev *dev;
3707
3708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3709         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3710                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3711                 return -EINVAL;
3712         }
3713
3714         dev = &rte_eth_devices[port_id];
3715         /* High water, low water validation are device specific */
3716         if  (*dev->dev_ops->priority_flow_ctrl_set)
3717                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3718                                         (dev, pfc_conf));
3719         return -ENOTSUP;
3720 }
3721
3722 static int
3723 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3724                         uint16_t reta_size)
3725 {
3726         uint16_t i, num;
3727
3728         if (!reta_conf)
3729                 return -EINVAL;
3730
3731         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3732         for (i = 0; i < num; i++) {
3733                 if (reta_conf[i].mask)
3734                         return 0;
3735         }
3736
3737         return -EINVAL;
3738 }
3739
3740 static int
3741 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3742                          uint16_t reta_size,
3743                          uint16_t max_rxq)
3744 {
3745         uint16_t i, idx, shift;
3746
3747         if (!reta_conf)
3748                 return -EINVAL;
3749
3750         if (max_rxq == 0) {
3751                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3752                 return -EINVAL;
3753         }
3754
3755         for (i = 0; i < reta_size; i++) {
3756                 idx = i / RTE_RETA_GROUP_SIZE;
3757                 shift = i % RTE_RETA_GROUP_SIZE;
3758                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3759                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3760                         RTE_ETHDEV_LOG(ERR,
3761                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3762                                 idx, shift,
3763                                 reta_conf[idx].reta[shift], max_rxq);
3764                         return -EINVAL;
3765                 }
3766         }
3767
3768         return 0;
3769 }
3770
3771 int
3772 rte_eth_dev_rss_reta_update(uint16_t port_id,
3773                             struct rte_eth_rss_reta_entry64 *reta_conf,
3774                             uint16_t reta_size)
3775 {
3776         struct rte_eth_dev *dev;
3777         int ret;
3778
3779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3780         /* Check mask bits */
3781         ret = eth_check_reta_mask(reta_conf, reta_size);
3782         if (ret < 0)
3783                 return ret;
3784
3785         dev = &rte_eth_devices[port_id];
3786
3787         /* Check entry value */
3788         ret = eth_check_reta_entry(reta_conf, reta_size,
3789                                 dev->data->nb_rx_queues);
3790         if (ret < 0)
3791                 return ret;
3792
3793         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3794         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3795                                                              reta_size));
3796 }
3797
3798 int
3799 rte_eth_dev_rss_reta_query(uint16_t port_id,
3800                            struct rte_eth_rss_reta_entry64 *reta_conf,
3801                            uint16_t reta_size)
3802 {
3803         struct rte_eth_dev *dev;
3804         int ret;
3805
3806         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3807
3808         /* Check mask bits */
3809         ret = eth_check_reta_mask(reta_conf, reta_size);
3810         if (ret < 0)
3811                 return ret;
3812
3813         dev = &rte_eth_devices[port_id];
3814         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3815         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3816                                                             reta_size));
3817 }
3818
3819 int
3820 rte_eth_dev_rss_hash_update(uint16_t port_id,
3821                             struct rte_eth_rss_conf *rss_conf)
3822 {
3823         struct rte_eth_dev *dev;
3824         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3825         int ret;
3826
3827         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3828
3829         ret = rte_eth_dev_info_get(port_id, &dev_info);
3830         if (ret != 0)
3831                 return ret;
3832
3833         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3834
3835         dev = &rte_eth_devices[port_id];
3836         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3837             dev_info.flow_type_rss_offloads) {
3838                 RTE_ETHDEV_LOG(ERR,
3839                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3840                         port_id, rss_conf->rss_hf,
3841                         dev_info.flow_type_rss_offloads);
3842                 return -EINVAL;
3843         }
3844         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3845         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3846                                                                  rss_conf));
3847 }
3848
3849 int
3850 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3851                               struct rte_eth_rss_conf *rss_conf)
3852 {
3853         struct rte_eth_dev *dev;
3854
3855         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3856         dev = &rte_eth_devices[port_id];
3857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3858         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3859                                                                    rss_conf));
3860 }
3861
3862 int
3863 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3864                                 struct rte_eth_udp_tunnel *udp_tunnel)
3865 {
3866         struct rte_eth_dev *dev;
3867
3868         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3869         if (udp_tunnel == NULL) {
3870                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3871                 return -EINVAL;
3872         }
3873
3874         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3875                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3876                 return -EINVAL;
3877         }
3878
3879         dev = &rte_eth_devices[port_id];
3880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3881         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3882                                                                 udp_tunnel));
3883 }
3884
3885 int
3886 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3887                                    struct rte_eth_udp_tunnel *udp_tunnel)
3888 {
3889         struct rte_eth_dev *dev;
3890
3891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3892         dev = &rte_eth_devices[port_id];
3893
3894         if (udp_tunnel == NULL) {
3895                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3896                 return -EINVAL;
3897         }
3898
3899         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3900                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3901                 return -EINVAL;
3902         }
3903
3904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3905         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3906                                                                 udp_tunnel));
3907 }
3908
3909 int
3910 rte_eth_led_on(uint16_t port_id)
3911 {
3912         struct rte_eth_dev *dev;
3913
3914         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3915         dev = &rte_eth_devices[port_id];
3916         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3917         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3918 }
3919
3920 int
3921 rte_eth_led_off(uint16_t port_id)
3922 {
3923         struct rte_eth_dev *dev;
3924
3925         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3926         dev = &rte_eth_devices[port_id];
3927         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3928         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3929 }
3930
3931 int
3932 rte_eth_fec_get_capability(uint16_t port_id,
3933                            struct rte_eth_fec_capa *speed_fec_capa,
3934                            unsigned int num)
3935 {
3936         struct rte_eth_dev *dev;
3937         int ret;
3938
3939         if (speed_fec_capa == NULL && num > 0)
3940                 return -EINVAL;
3941
3942         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3943         dev = &rte_eth_devices[port_id];
3944         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
3945         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
3946
3947         return ret;
3948 }
3949
3950 int
3951 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
3952 {
3953         struct rte_eth_dev *dev;
3954
3955         if (fec_capa == NULL)
3956                 return -EINVAL;
3957
3958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3959         dev = &rte_eth_devices[port_id];
3960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
3961         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
3962 }
3963
3964 int
3965 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
3966 {
3967         struct rte_eth_dev *dev;
3968
3969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3970         dev = &rte_eth_devices[port_id];
3971         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
3972         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
3973 }
3974
3975 /*
3976  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3977  * an empty spot.
3978  */
3979 static int
3980 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3981 {
3982         struct rte_eth_dev_info dev_info;
3983         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3984         unsigned i;
3985         int ret;
3986
3987         ret = rte_eth_dev_info_get(port_id, &dev_info);
3988         if (ret != 0)
3989                 return -1;
3990
3991         for (i = 0; i < dev_info.max_mac_addrs; i++)
3992                 if (memcmp(addr, &dev->data->mac_addrs[i],
3993                                 RTE_ETHER_ADDR_LEN) == 0)
3994                         return i;
3995
3996         return -1;
3997 }
3998
3999 static const struct rte_ether_addr null_mac_addr;
4000
4001 int
4002 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4003                         uint32_t pool)
4004 {
4005         struct rte_eth_dev *dev;
4006         int index;
4007         uint64_t pool_mask;
4008         int ret;
4009
4010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4011         dev = &rte_eth_devices[port_id];
4012         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4013
4014         if (rte_is_zero_ether_addr(addr)) {
4015                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4016                         port_id);
4017                 return -EINVAL;
4018         }
4019         if (pool >= ETH_64_POOLS) {
4020                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4021                 return -EINVAL;
4022         }
4023
4024         index = eth_dev_get_mac_addr_index(port_id, addr);
4025         if (index < 0) {
4026                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4027                 if (index < 0) {
4028                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4029                                 port_id);
4030                         return -ENOSPC;
4031                 }
4032         } else {
4033                 pool_mask = dev->data->mac_pool_sel[index];
4034
4035                 /* Check if both MAC address and pool is already there, and do nothing */
4036                 if (pool_mask & (1ULL << pool))
4037                         return 0;
4038         }
4039
4040         /* Update NIC */
4041         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4042
4043         if (ret == 0) {
4044                 /* Update address in NIC data structure */
4045                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4046
4047                 /* Update pool bitmap in NIC data structure */
4048                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4049         }
4050
4051         return eth_err(port_id, ret);
4052 }
4053
4054 int
4055 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4056 {
4057         struct rte_eth_dev *dev;
4058         int index;
4059
4060         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4061         dev = &rte_eth_devices[port_id];
4062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4063
4064         index = eth_dev_get_mac_addr_index(port_id, addr);
4065         if (index == 0) {
4066                 RTE_ETHDEV_LOG(ERR,
4067                         "Port %u: Cannot remove default MAC address\n",
4068                         port_id);
4069                 return -EADDRINUSE;
4070         } else if (index < 0)
4071                 return 0;  /* Do nothing if address wasn't found */
4072
4073         /* Update NIC */
4074         (*dev->dev_ops->mac_addr_remove)(dev, index);
4075
4076         /* Update address in NIC data structure */
4077         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4078
4079         /* reset pool bitmap */
4080         dev->data->mac_pool_sel[index] = 0;
4081
4082         return 0;
4083 }
4084
4085 int
4086 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4087 {
4088         struct rte_eth_dev *dev;
4089         int ret;
4090
4091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4092
4093         if (!rte_is_valid_assigned_ether_addr(addr))
4094                 return -EINVAL;
4095
4096         dev = &rte_eth_devices[port_id];
4097         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4098
4099         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4100         if (ret < 0)
4101                 return ret;
4102
4103         /* Update default address in NIC data structure */
4104         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4105
4106         return 0;
4107 }
4108
4109
4110 /*
4111  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4112  * an empty spot.
4113  */
4114 static int
4115 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4116                 const struct rte_ether_addr *addr)
4117 {
4118         struct rte_eth_dev_info dev_info;
4119         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4120         unsigned i;
4121         int ret;
4122
4123         ret = rte_eth_dev_info_get(port_id, &dev_info);
4124         if (ret != 0)
4125                 return -1;
4126
4127         if (!dev->data->hash_mac_addrs)
4128                 return -1;
4129
4130         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4131                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4132                         RTE_ETHER_ADDR_LEN) == 0)
4133                         return i;
4134
4135         return -1;
4136 }
4137
4138 int
4139 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4140                                 uint8_t on)
4141 {
4142         int index;
4143         int ret;
4144         struct rte_eth_dev *dev;
4145
4146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4147
4148         dev = &rte_eth_devices[port_id];
4149         if (rte_is_zero_ether_addr(addr)) {
4150                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4151                         port_id);
4152                 return -EINVAL;
4153         }
4154
4155         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4156         /* Check if it's already there, and do nothing */
4157         if ((index >= 0) && on)
4158                 return 0;
4159
4160         if (index < 0) {
4161                 if (!on) {
4162                         RTE_ETHDEV_LOG(ERR,
4163                                 "Port %u: the MAC address was not set in UTA\n",
4164                                 port_id);
4165                         return -EINVAL;
4166                 }
4167
4168                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4169                 if (index < 0) {
4170                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4171                                 port_id);
4172                         return -ENOSPC;
4173                 }
4174         }
4175
4176         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4177         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4178         if (ret == 0) {
4179                 /* Update address in NIC data structure */
4180                 if (on)
4181                         rte_ether_addr_copy(addr,
4182                                         &dev->data->hash_mac_addrs[index]);
4183                 else
4184                         rte_ether_addr_copy(&null_mac_addr,
4185                                         &dev->data->hash_mac_addrs[index]);
4186         }
4187
4188         return eth_err(port_id, ret);
4189 }
4190
4191 int
4192 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4193 {
4194         struct rte_eth_dev *dev;
4195
4196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4197
4198         dev = &rte_eth_devices[port_id];
4199
4200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4201         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4202                                                                        on));
4203 }
4204
4205 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4206                                         uint16_t tx_rate)
4207 {
4208         struct rte_eth_dev *dev;
4209         struct rte_eth_dev_info dev_info;
4210         struct rte_eth_link link;
4211         int ret;
4212
4213         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4214
4215         ret = rte_eth_dev_info_get(port_id, &dev_info);
4216         if (ret != 0)
4217                 return ret;
4218
4219         dev = &rte_eth_devices[port_id];
4220         link = dev->data->dev_link;
4221
4222         if (queue_idx > dev_info.max_tx_queues) {
4223                 RTE_ETHDEV_LOG(ERR,
4224                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4225                         port_id, queue_idx);
4226                 return -EINVAL;
4227         }
4228
4229         if (tx_rate > link.link_speed) {
4230                 RTE_ETHDEV_LOG(ERR,
4231                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4232                         tx_rate, link.link_speed);
4233                 return -EINVAL;
4234         }
4235
4236         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4237         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4238                                                         queue_idx, tx_rate));
4239 }
4240
4241 int
4242 rte_eth_mirror_rule_set(uint16_t port_id,
4243                         struct rte_eth_mirror_conf *mirror_conf,
4244                         uint8_t rule_id, uint8_t on)
4245 {
4246         struct rte_eth_dev *dev;
4247
4248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249         if (mirror_conf->rule_type == 0) {
4250                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
4251                 return -EINVAL;
4252         }
4253
4254         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
4255                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
4256                         ETH_64_POOLS - 1);
4257                 return -EINVAL;
4258         }
4259
4260         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
4261              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
4262             (mirror_conf->pool_mask == 0)) {
4263                 RTE_ETHDEV_LOG(ERR,
4264                         "Invalid mirror pool, pool mask can not be 0\n");
4265                 return -EINVAL;
4266         }
4267
4268         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
4269             mirror_conf->vlan.vlan_mask == 0) {
4270                 RTE_ETHDEV_LOG(ERR,
4271                         "Invalid vlan mask, vlan mask can not be 0\n");
4272                 return -EINVAL;
4273         }
4274
4275         dev = &rte_eth_devices[port_id];
4276         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
4277
4278         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
4279                                                 mirror_conf, rule_id, on));
4280 }
4281
4282 int
4283 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
4284 {
4285         struct rte_eth_dev *dev;
4286
4287         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4288
4289         dev = &rte_eth_devices[port_id];
4290         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
4291
4292         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
4293                                                                    rule_id));
4294 }
4295
4296 RTE_INIT(eth_dev_init_cb_lists)
4297 {
4298         uint16_t i;
4299
4300         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4301                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4302 }
4303
4304 int
4305 rte_eth_dev_callback_register(uint16_t port_id,
4306                         enum rte_eth_event_type event,
4307                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4308 {
4309         struct rte_eth_dev *dev;
4310         struct rte_eth_dev_callback *user_cb;
4311         uint16_t next_port;
4312         uint16_t last_port;
4313
4314         if (!cb_fn)
4315                 return -EINVAL;
4316
4317         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4318                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4319                 return -EINVAL;
4320         }
4321
4322         if (port_id == RTE_ETH_ALL) {
4323                 next_port = 0;
4324                 last_port = RTE_MAX_ETHPORTS - 1;
4325         } else {
4326                 next_port = last_port = port_id;
4327         }
4328
4329         rte_spinlock_lock(&eth_dev_cb_lock);
4330
4331         do {
4332                 dev = &rte_eth_devices[next_port];
4333
4334                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4335                         if (user_cb->cb_fn == cb_fn &&
4336                                 user_cb->cb_arg == cb_arg &&
4337                                 user_cb->event == event) {
4338                                 break;
4339                         }
4340                 }
4341
4342                 /* create a new callback. */
4343                 if (user_cb == NULL) {
4344                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4345                                 sizeof(struct rte_eth_dev_callback), 0);
4346                         if (user_cb != NULL) {
4347                                 user_cb->cb_fn = cb_fn;
4348                                 user_cb->cb_arg = cb_arg;
4349                                 user_cb->event = event;
4350                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4351                                                   user_cb, next);
4352                         } else {
4353                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4354                                 rte_eth_dev_callback_unregister(port_id, event,
4355                                                                 cb_fn, cb_arg);
4356                                 return -ENOMEM;
4357                         }
4358
4359                 }
4360         } while (++next_port <= last_port);
4361
4362         rte_spinlock_unlock(&eth_dev_cb_lock);
4363         return 0;
4364 }
4365
4366 int
4367 rte_eth_dev_callback_unregister(uint16_t port_id,
4368                         enum rte_eth_event_type event,
4369                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4370 {
4371         int ret;
4372         struct rte_eth_dev *dev;
4373         struct rte_eth_dev_callback *cb, *next;
4374         uint16_t next_port;
4375         uint16_t last_port;
4376
4377         if (!cb_fn)
4378                 return -EINVAL;
4379
4380         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4381                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4382                 return -EINVAL;
4383         }
4384
4385         if (port_id == RTE_ETH_ALL) {
4386                 next_port = 0;
4387                 last_port = RTE_MAX_ETHPORTS - 1;
4388         } else {
4389                 next_port = last_port = port_id;
4390         }
4391
4392         rte_spinlock_lock(&eth_dev_cb_lock);
4393
4394         do {
4395                 dev = &rte_eth_devices[next_port];
4396                 ret = 0;
4397                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4398                      cb = next) {
4399
4400                         next = TAILQ_NEXT(cb, next);
4401
4402                         if (cb->cb_fn != cb_fn || cb->event != event ||
4403                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4404                                 continue;
4405
4406                         /*
4407                          * if this callback is not executing right now,
4408                          * then remove it.
4409                          */
4410                         if (cb->active == 0) {
4411                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4412                                 rte_free(cb);
4413                         } else {
4414                                 ret = -EAGAIN;
4415                         }
4416                 }
4417         } while (++next_port <= last_port);
4418
4419         rte_spinlock_unlock(&eth_dev_cb_lock);
4420         return ret;
4421 }
4422
4423 int
4424 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4425         enum rte_eth_event_type event, void *ret_param)
4426 {
4427         struct rte_eth_dev_callback *cb_lst;
4428         struct rte_eth_dev_callback dev_cb;
4429         int rc = 0;
4430
4431         rte_spinlock_lock(&eth_dev_cb_lock);
4432         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4433                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4434                         continue;
4435                 dev_cb = *cb_lst;
4436                 cb_lst->active = 1;
4437                 if (ret_param != NULL)
4438                         dev_cb.ret_param = ret_param;
4439
4440                 rte_spinlock_unlock(&eth_dev_cb_lock);
4441                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4442                                 dev_cb.cb_arg, dev_cb.ret_param);
4443                 rte_spinlock_lock(&eth_dev_cb_lock);
4444                 cb_lst->active = 0;
4445         }
4446         rte_spinlock_unlock(&eth_dev_cb_lock);
4447         return rc;
4448 }
4449
4450 void
4451 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4452 {
4453         if (dev == NULL)
4454                 return;
4455
4456         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4457
4458         dev->state = RTE_ETH_DEV_ATTACHED;
4459 }
4460
4461 int
4462 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4463 {
4464         uint32_t vec;
4465         struct rte_eth_dev *dev;
4466         struct rte_intr_handle *intr_handle;
4467         uint16_t qid;
4468         int rc;
4469
4470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4471
4472         dev = &rte_eth_devices[port_id];
4473
4474         if (!dev->intr_handle) {
4475                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4476                 return -ENOTSUP;
4477         }
4478
4479         intr_handle = dev->intr_handle;
4480         if (!intr_handle->intr_vec) {
4481                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4482                 return -EPERM;
4483         }
4484
4485         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4486                 vec = intr_handle->intr_vec[qid];
4487                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4488                 if (rc && rc != -EEXIST) {
4489                         RTE_ETHDEV_LOG(ERR,
4490                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4491                                 port_id, qid, op, epfd, vec);
4492                 }
4493         }
4494
4495         return 0;
4496 }
4497
4498 int
4499 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4500 {
4501         struct rte_intr_handle *intr_handle;
4502         struct rte_eth_dev *dev;
4503         unsigned int efd_idx;
4504         uint32_t vec;
4505         int fd;
4506
4507         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4508
4509         dev = &rte_eth_devices[port_id];
4510
4511         if (queue_id >= dev->data->nb_rx_queues) {
4512                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4513                 return -1;
4514         }
4515
4516         if (!dev->intr_handle) {
4517                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4518                 return -1;
4519         }
4520
4521         intr_handle = dev->intr_handle;
4522         if (!intr_handle->intr_vec) {
4523                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4524                 return -1;
4525         }
4526
4527         vec = intr_handle->intr_vec[queue_id];
4528         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4529                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4530         fd = intr_handle->efds[efd_idx];
4531
4532         return fd;
4533 }
4534
4535 static inline int
4536 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4537                 const char *ring_name)
4538 {
4539         return snprintf(name, len, "eth_p%d_q%d_%s",
4540                         port_id, queue_id, ring_name);
4541 }
4542
4543 const struct rte_memzone *
4544 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4545                          uint16_t queue_id, size_t size, unsigned align,
4546                          int socket_id)
4547 {
4548         char z_name[RTE_MEMZONE_NAMESIZE];
4549         const struct rte_memzone *mz;
4550         int rc;
4551
4552         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4553                         queue_id, ring_name);
4554         if (rc >= RTE_MEMZONE_NAMESIZE) {
4555                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4556                 rte_errno = ENAMETOOLONG;
4557                 return NULL;
4558         }
4559
4560         mz = rte_memzone_lookup(z_name);
4561         if (mz) {
4562                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4563                                 size > mz->len ||
4564                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4565                         RTE_ETHDEV_LOG(ERR,
4566                                 "memzone %s does not justify the requested attributes\n",
4567                                 mz->name);
4568                         return NULL;
4569                 }
4570
4571                 return mz;
4572         }
4573
4574         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4575                         RTE_MEMZONE_IOVA_CONTIG, align);
4576 }
4577
4578 int
4579 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4580                 uint16_t queue_id)
4581 {
4582         char z_name[RTE_MEMZONE_NAMESIZE];
4583         const struct rte_memzone *mz;
4584         int rc = 0;
4585
4586         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4587                         queue_id, ring_name);
4588         if (rc >= RTE_MEMZONE_NAMESIZE) {
4589                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4590                 return -ENAMETOOLONG;
4591         }
4592
4593         mz = rte_memzone_lookup(z_name);
4594         if (mz)
4595                 rc = rte_memzone_free(mz);
4596         else
4597                 rc = -ENOENT;
4598
4599         return rc;
4600 }
4601
4602 int
4603 rte_eth_dev_create(struct rte_device *device, const char *name,
4604         size_t priv_data_size,
4605         ethdev_bus_specific_init ethdev_bus_specific_init,
4606         void *bus_init_params,
4607         ethdev_init_t ethdev_init, void *init_params)
4608 {
4609         struct rte_eth_dev *ethdev;
4610         int retval;
4611
4612         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4613
4614         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4615                 ethdev = rte_eth_dev_allocate(name);
4616                 if (!ethdev)
4617                         return -ENODEV;
4618
4619                 if (priv_data_size) {
4620                         ethdev->data->dev_private = rte_zmalloc_socket(
4621                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4622                                 device->numa_node);
4623
4624                         if (!ethdev->data->dev_private) {
4625                                 RTE_ETHDEV_LOG(ERR,
4626                                         "failed to allocate private data\n");
4627                                 retval = -ENOMEM;
4628                                 goto probe_failed;
4629                         }
4630                 }
4631         } else {
4632                 ethdev = rte_eth_dev_attach_secondary(name);
4633                 if (!ethdev) {
4634                         RTE_ETHDEV_LOG(ERR,
4635                                 "secondary process attach failed, ethdev doesn't exist\n");
4636                         return  -ENODEV;
4637                 }
4638         }
4639
4640         ethdev->device = device;
4641
4642         if (ethdev_bus_specific_init) {
4643                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4644                 if (retval) {
4645                         RTE_ETHDEV_LOG(ERR,
4646                                 "ethdev bus specific initialisation failed\n");
4647                         goto probe_failed;
4648                 }
4649         }
4650
4651         retval = ethdev_init(ethdev, init_params);
4652         if (retval) {
4653                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4654                 goto probe_failed;
4655         }
4656
4657         rte_eth_dev_probing_finish(ethdev);
4658
4659         return retval;
4660
4661 probe_failed:
4662         rte_eth_dev_release_port(ethdev);
4663         return retval;
4664 }
4665
4666 int
4667 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4668         ethdev_uninit_t ethdev_uninit)
4669 {
4670         int ret;
4671
4672         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4673         if (!ethdev)
4674                 return -ENODEV;
4675
4676         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4677
4678         ret = ethdev_uninit(ethdev);
4679         if (ret)
4680                 return ret;
4681
4682         return rte_eth_dev_release_port(ethdev);
4683 }
4684
4685 int
4686 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4687                           int epfd, int op, void *data)
4688 {
4689         uint32_t vec;
4690         struct rte_eth_dev *dev;
4691         struct rte_intr_handle *intr_handle;
4692         int rc;
4693
4694         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4695
4696         dev = &rte_eth_devices[port_id];
4697         if (queue_id >= dev->data->nb_rx_queues) {
4698                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4699                 return -EINVAL;
4700         }
4701
4702         if (!dev->intr_handle) {
4703                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4704                 return -ENOTSUP;
4705         }
4706
4707         intr_handle = dev->intr_handle;
4708         if (!intr_handle->intr_vec) {
4709                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4710                 return -EPERM;
4711         }
4712
4713         vec = intr_handle->intr_vec[queue_id];
4714         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4715         if (rc && rc != -EEXIST) {
4716                 RTE_ETHDEV_LOG(ERR,
4717                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4718                         port_id, queue_id, op, epfd, vec);
4719                 return rc;
4720         }
4721
4722         return 0;
4723 }
4724
4725 int
4726 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4727                            uint16_t queue_id)
4728 {
4729         struct rte_eth_dev *dev;
4730         int ret;
4731
4732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4733
4734         dev = &rte_eth_devices[port_id];
4735
4736         ret = eth_dev_validate_rx_queue(dev, queue_id);
4737         if (ret != 0)
4738                 return ret;
4739
4740         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4741         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
4742                                                                 queue_id));
4743 }
4744
4745 int
4746 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4747                             uint16_t queue_id)
4748 {
4749         struct rte_eth_dev *dev;
4750         int ret;
4751
4752         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4753
4754         dev = &rte_eth_devices[port_id];
4755
4756         ret = eth_dev_validate_rx_queue(dev, queue_id);
4757         if (ret != 0)
4758                 return ret;
4759
4760         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4761         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
4762                                                                 queue_id));
4763 }
4764
4765
4766 const struct rte_eth_rxtx_callback *
4767 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4768                 rte_rx_callback_fn fn, void *user_param)
4769 {
4770 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4771         rte_errno = ENOTSUP;
4772         return NULL;
4773 #endif
4774         struct rte_eth_dev *dev;
4775
4776         /* check input parameters */
4777         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4778                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4779                 rte_errno = EINVAL;
4780                 return NULL;
4781         }
4782         dev = &rte_eth_devices[port_id];
4783         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4784                 rte_errno = EINVAL;
4785                 return NULL;
4786         }
4787         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4788
4789         if (cb == NULL) {
4790                 rte_errno = ENOMEM;
4791                 return NULL;
4792         }
4793
4794         cb->fn.rx = fn;
4795         cb->param = user_param;
4796
4797         rte_spinlock_lock(&eth_dev_rx_cb_lock);
4798         /* Add the callbacks in fifo order. */
4799         struct rte_eth_rxtx_callback *tail =
4800                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4801
4802         if (!tail) {
4803                 /* Stores to cb->fn and cb->param should complete before
4804                  * cb is visible to data plane.
4805                  */
4806                 __atomic_store_n(
4807                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
4808                         cb, __ATOMIC_RELEASE);
4809
4810         } else {
4811                 while (tail->next)
4812                         tail = tail->next;
4813                 /* Stores to cb->fn and cb->param should complete before
4814                  * cb is visible to data plane.
4815                  */
4816                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
4817         }
4818         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
4819
4820         return cb;
4821 }
4822
4823 const struct rte_eth_rxtx_callback *
4824 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4825                 rte_rx_callback_fn fn, void *user_param)
4826 {
4827 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4828         rte_errno = ENOTSUP;
4829         return NULL;
4830 #endif
4831         /* check input parameters */
4832         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4833                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4834                 rte_errno = EINVAL;
4835                 return NULL;
4836         }
4837
4838         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4839
4840         if (cb == NULL) {
4841                 rte_errno = ENOMEM;
4842                 return NULL;
4843         }
4844
4845         cb->fn.rx = fn;
4846         cb->param = user_param;
4847
4848         rte_spinlock_lock(&eth_dev_rx_cb_lock);
4849         /* Add the callbacks at first position */
4850         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4851         /* Stores to cb->fn, cb->param and cb->next should complete before
4852          * cb is visible to data plane threads.
4853          */
4854         __atomic_store_n(
4855                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
4856                 cb, __ATOMIC_RELEASE);
4857         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
4858
4859         return cb;
4860 }
4861
4862 const struct rte_eth_rxtx_callback *
4863 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4864                 rte_tx_callback_fn fn, void *user_param)
4865 {
4866 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4867         rte_errno = ENOTSUP;
4868         return NULL;
4869 #endif
4870         struct rte_eth_dev *dev;
4871
4872         /* check input parameters */
4873         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4874                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4875                 rte_errno = EINVAL;
4876                 return NULL;
4877         }
4878
4879         dev = &rte_eth_devices[port_id];
4880         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4881                 rte_errno = EINVAL;
4882                 return NULL;
4883         }
4884
4885         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4886
4887         if (cb == NULL) {
4888                 rte_errno = ENOMEM;
4889                 return NULL;
4890         }
4891
4892         cb->fn.tx = fn;
4893         cb->param = user_param;
4894
4895         rte_spinlock_lock(&eth_dev_tx_cb_lock);
4896         /* Add the callbacks in fifo order. */
4897         struct rte_eth_rxtx_callback *tail =
4898                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4899
4900         if (!tail) {
4901                 /* Stores to cb->fn and cb->param should complete before
4902                  * cb is visible to data plane.
4903                  */
4904                 __atomic_store_n(
4905                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
4906                         cb, __ATOMIC_RELEASE);
4907
4908         } else {
4909                 while (tail->next)
4910                         tail = tail->next;
4911                 /* Stores to cb->fn and cb->param should complete before
4912                  * cb is visible to data plane.
4913                  */
4914                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
4915         }
4916         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
4917
4918         return cb;
4919 }
4920
4921 int
4922 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4923                 const struct rte_eth_rxtx_callback *user_cb)
4924 {
4925 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4926         return -ENOTSUP;
4927 #endif
4928         /* Check input parameters. */
4929         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4930         if (user_cb == NULL ||
4931                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4932                 return -EINVAL;
4933
4934         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4935         struct rte_eth_rxtx_callback *cb;
4936         struct rte_eth_rxtx_callback **prev_cb;
4937         int ret = -EINVAL;
4938
4939         rte_spinlock_lock(&eth_dev_rx_cb_lock);
4940         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4941         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4942                 cb = *prev_cb;
4943                 if (cb == user_cb) {
4944                         /* Remove the user cb from the callback list. */
4945                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
4946                         ret = 0;
4947                         break;
4948                 }
4949         }
4950         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
4951
4952         return ret;
4953 }
4954
4955 int
4956 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4957                 const struct rte_eth_rxtx_callback *user_cb)
4958 {
4959 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4960         return -ENOTSUP;
4961 #endif
4962         /* Check input parameters. */
4963         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4964         if (user_cb == NULL ||
4965                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4966                 return -EINVAL;
4967
4968         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4969         int ret = -EINVAL;
4970         struct rte_eth_rxtx_callback *cb;
4971         struct rte_eth_rxtx_callback **prev_cb;
4972
4973         rte_spinlock_lock(&eth_dev_tx_cb_lock);
4974         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4975         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4976                 cb = *prev_cb;
4977                 if (cb == user_cb) {
4978                         /* Remove the user cb from the callback list. */
4979                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
4980                         ret = 0;
4981                         break;
4982                 }
4983         }
4984         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
4985
4986         return ret;
4987 }
4988
4989 int
4990 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4991         struct rte_eth_rxq_info *qinfo)
4992 {
4993         struct rte_eth_dev *dev;
4994
4995         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4996
4997         if (qinfo == NULL)
4998                 return -EINVAL;
4999
5000         dev = &rte_eth_devices[port_id];
5001         if (queue_id >= dev->data->nb_rx_queues) {
5002                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5003                 return -EINVAL;
5004         }
5005
5006         if (dev->data->rx_queues == NULL ||
5007                         dev->data->rx_queues[queue_id] == NULL) {
5008                 RTE_ETHDEV_LOG(ERR,
5009                                "Rx queue %"PRIu16" of device with port_id=%"
5010                                PRIu16" has not been setup\n",
5011                                queue_id, port_id);
5012                 return -EINVAL;
5013         }
5014
5015         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5016                 RTE_ETHDEV_LOG(INFO,
5017                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5018                         queue_id, port_id);
5019                 return -EINVAL;
5020         }
5021
5022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5023
5024         memset(qinfo, 0, sizeof(*qinfo));
5025         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5026         return 0;
5027 }
5028
5029 int
5030 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5031         struct rte_eth_txq_info *qinfo)
5032 {
5033         struct rte_eth_dev *dev;
5034
5035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5036
5037         if (qinfo == NULL)
5038                 return -EINVAL;
5039
5040         dev = &rte_eth_devices[port_id];
5041         if (queue_id >= dev->data->nb_tx_queues) {
5042                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5043                 return -EINVAL;
5044         }
5045
5046         if (dev->data->tx_queues == NULL ||
5047                         dev->data->tx_queues[queue_id] == NULL) {
5048                 RTE_ETHDEV_LOG(ERR,
5049                                "Tx queue %"PRIu16" of device with port_id=%"
5050                                PRIu16" has not been setup\n",
5051                                queue_id, port_id);
5052                 return -EINVAL;
5053         }
5054
5055         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5056                 RTE_ETHDEV_LOG(INFO,
5057                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5058                         queue_id, port_id);
5059                 return -EINVAL;
5060         }
5061
5062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5063
5064         memset(qinfo, 0, sizeof(*qinfo));
5065         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5066
5067         return 0;
5068 }
5069
5070 int
5071 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5072                           struct rte_eth_burst_mode *mode)
5073 {
5074         struct rte_eth_dev *dev;
5075
5076         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5077
5078         if (mode == NULL)
5079                 return -EINVAL;
5080
5081         dev = &rte_eth_devices[port_id];
5082
5083         if (queue_id >= dev->data->nb_rx_queues) {
5084                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5085                 return -EINVAL;
5086         }
5087
5088         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5089         memset(mode, 0, sizeof(*mode));
5090         return eth_err(port_id,
5091                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5092 }
5093
5094 int
5095 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5096                           struct rte_eth_burst_mode *mode)
5097 {
5098         struct rte_eth_dev *dev;
5099
5100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5101
5102         if (mode == NULL)
5103                 return -EINVAL;
5104
5105         dev = &rte_eth_devices[port_id];
5106
5107         if (queue_id >= dev->data->nb_tx_queues) {
5108                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5109                 return -EINVAL;
5110         }
5111
5112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5113         memset(mode, 0, sizeof(*mode));
5114         return eth_err(port_id,
5115                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5116 }
5117
5118 int
5119 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5120                 struct rte_power_monitor_cond *pmc)
5121 {
5122         struct rte_eth_dev *dev;
5123
5124         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5125
5126         dev = &rte_eth_devices[port_id];
5127
5128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5129
5130         if (queue_id >= dev->data->nb_rx_queues) {
5131                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5132                 return -EINVAL;
5133         }
5134
5135         if (pmc == NULL) {
5136                 RTE_ETHDEV_LOG(ERR, "Invalid power monitor condition=%p\n",
5137                                 pmc);
5138                 return -EINVAL;
5139         }
5140
5141         return eth_err(port_id,
5142                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id],
5143                         pmc));
5144 }
5145
5146 int
5147 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5148                              struct rte_ether_addr *mc_addr_set,
5149                              uint32_t nb_mc_addr)
5150 {
5151         struct rte_eth_dev *dev;
5152
5153         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5154
5155         dev = &rte_eth_devices[port_id];
5156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5157         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5158                                                 mc_addr_set, nb_mc_addr));
5159 }
5160
5161 int
5162 rte_eth_timesync_enable(uint16_t port_id)
5163 {
5164         struct rte_eth_dev *dev;
5165
5166         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5167         dev = &rte_eth_devices[port_id];
5168
5169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5170         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5171 }
5172
5173 int
5174 rte_eth_timesync_disable(uint16_t port_id)
5175 {
5176         struct rte_eth_dev *dev;
5177
5178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5179         dev = &rte_eth_devices[port_id];
5180
5181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5182         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5183 }
5184
5185 int
5186 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5187                                    uint32_t flags)
5188 {
5189         struct rte_eth_dev *dev;
5190
5191         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5192         dev = &rte_eth_devices[port_id];
5193
5194         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5195         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5196                                 (dev, timestamp, flags));
5197 }
5198
5199 int
5200 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5201                                    struct timespec *timestamp)
5202 {
5203         struct rte_eth_dev *dev;
5204
5205         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5206         dev = &rte_eth_devices[port_id];
5207
5208         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5209         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5210                                 (dev, timestamp));
5211 }
5212
5213 int
5214 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5215 {
5216         struct rte_eth_dev *dev;
5217
5218         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5219         dev = &rte_eth_devices[port_id];
5220
5221         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5222         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
5223                                                                       delta));
5224 }
5225
5226 int
5227 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5228 {
5229         struct rte_eth_dev *dev;
5230
5231         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5232         dev = &rte_eth_devices[port_id];
5233
5234         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5235         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5236                                                                 timestamp));
5237 }
5238
5239 int
5240 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5241 {
5242         struct rte_eth_dev *dev;
5243
5244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5245         dev = &rte_eth_devices[port_id];
5246
5247         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5248         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5249                                                                 timestamp));
5250 }
5251
5252 int
5253 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5254 {
5255         struct rte_eth_dev *dev;
5256
5257         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5258         dev = &rte_eth_devices[port_id];
5259
5260         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5261         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5262 }
5263
5264 int
5265 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5266 {
5267         struct rte_eth_dev *dev;
5268
5269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5270
5271         dev = &rte_eth_devices[port_id];
5272         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5273         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5274 }
5275
5276 int
5277 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5278 {
5279         struct rte_eth_dev *dev;
5280
5281         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5282
5283         dev = &rte_eth_devices[port_id];
5284         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5285         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5286 }
5287
5288 int
5289 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5290 {
5291         struct rte_eth_dev *dev;
5292
5293         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5294
5295         dev = &rte_eth_devices[port_id];
5296         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5297         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5298 }
5299
5300 int
5301 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5302 {
5303         struct rte_eth_dev *dev;
5304
5305         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5306
5307         dev = &rte_eth_devices[port_id];
5308         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5309         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5310 }
5311
5312 int
5313 rte_eth_dev_get_module_info(uint16_t port_id,
5314                             struct rte_eth_dev_module_info *modinfo)
5315 {
5316         struct rte_eth_dev *dev;
5317
5318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5319
5320         dev = &rte_eth_devices[port_id];
5321         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5322         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5323 }
5324
5325 int
5326 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5327                               struct rte_dev_eeprom_info *info)
5328 {
5329         struct rte_eth_dev *dev;
5330
5331         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5332
5333         dev = &rte_eth_devices[port_id];
5334         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5335         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5336 }
5337
5338 int
5339 rte_eth_dev_get_dcb_info(uint16_t port_id,
5340                              struct rte_eth_dcb_info *dcb_info)
5341 {
5342         struct rte_eth_dev *dev;
5343
5344         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5345
5346         dev = &rte_eth_devices[port_id];
5347         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5348
5349         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5350         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5351 }
5352
5353 static void
5354 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5355                 const struct rte_eth_desc_lim *desc_lim)
5356 {
5357         if (desc_lim->nb_align != 0)
5358                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5359
5360         if (desc_lim->nb_max != 0)
5361                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5362
5363         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5364 }
5365
5366 int
5367 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5368                                  uint16_t *nb_rx_desc,
5369                                  uint16_t *nb_tx_desc)
5370 {
5371         struct rte_eth_dev_info dev_info;
5372         int ret;
5373
5374         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5375
5376         ret = rte_eth_dev_info_get(port_id, &dev_info);
5377         if (ret != 0)
5378                 return ret;
5379
5380         if (nb_rx_desc != NULL)
5381                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5382
5383         if (nb_tx_desc != NULL)
5384                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5385
5386         return 0;
5387 }
5388
5389 int
5390 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5391                                    struct rte_eth_hairpin_cap *cap)
5392 {
5393         struct rte_eth_dev *dev;
5394
5395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5396
5397         dev = &rte_eth_devices[port_id];
5398         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5399         memset(cap, 0, sizeof(*cap));
5400         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5401 }
5402
5403 int
5404 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5405 {
5406         if (dev->data->rx_queue_state[queue_id] ==
5407             RTE_ETH_QUEUE_STATE_HAIRPIN)
5408                 return 1;
5409         return 0;
5410 }
5411
5412 int
5413 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5414 {
5415         if (dev->data->tx_queue_state[queue_id] ==
5416             RTE_ETH_QUEUE_STATE_HAIRPIN)
5417                 return 1;
5418         return 0;
5419 }
5420
5421 int
5422 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5423 {
5424         struct rte_eth_dev *dev;
5425
5426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5427
5428         if (pool == NULL)
5429                 return -EINVAL;
5430
5431         dev = &rte_eth_devices[port_id];
5432
5433         if (*dev->dev_ops->pool_ops_supported == NULL)
5434                 return 1; /* all pools are supported */
5435
5436         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5437 }
5438
5439 /**
5440  * A set of values to describe the possible states of a switch domain.
5441  */
5442 enum rte_eth_switch_domain_state {
5443         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5444         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5445 };
5446
5447 /**
5448  * Array of switch domains available for allocation. Array is sized to
5449  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5450  * ethdev ports in a single process.
5451  */
5452 static struct rte_eth_dev_switch {
5453         enum rte_eth_switch_domain_state state;
5454 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5455
5456 int
5457 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5458 {
5459         uint16_t i;
5460
5461         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5462
5463         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5464                 if (eth_dev_switch_domains[i].state ==
5465                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5466                         eth_dev_switch_domains[i].state =
5467                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5468                         *domain_id = i;
5469                         return 0;
5470                 }
5471         }
5472
5473         return -ENOSPC;
5474 }
5475
5476 int
5477 rte_eth_switch_domain_free(uint16_t domain_id)
5478 {
5479         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5480                 domain_id >= RTE_MAX_ETHPORTS)
5481                 return -EINVAL;
5482
5483         if (eth_dev_switch_domains[domain_id].state !=
5484                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5485                 return -EINVAL;
5486
5487         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5488
5489         return 0;
5490 }
5491
5492 static int
5493 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5494 {
5495         int state;
5496         struct rte_kvargs_pair *pair;
5497         char *letter;
5498
5499         arglist->str = strdup(str_in);
5500         if (arglist->str == NULL)
5501                 return -ENOMEM;
5502
5503         letter = arglist->str;
5504         state = 0;
5505         arglist->count = 0;
5506         pair = &arglist->pairs[0];
5507         while (1) {
5508                 switch (state) {
5509                 case 0: /* Initial */
5510                         if (*letter == '=')
5511                                 return -EINVAL;
5512                         else if (*letter == '\0')
5513                                 return 0;
5514
5515                         state = 1;
5516                         pair->key = letter;
5517                         /* fall-thru */
5518
5519                 case 1: /* Parsing key */
5520                         if (*letter == '=') {
5521                                 *letter = '\0';
5522                                 pair->value = letter + 1;
5523                                 state = 2;
5524                         } else if (*letter == ',' || *letter == '\0')
5525                                 return -EINVAL;
5526                         break;
5527
5528
5529                 case 2: /* Parsing value */
5530                         if (*letter == '[')
5531                                 state = 3;
5532                         else if (*letter == ',') {
5533                                 *letter = '\0';
5534                                 arglist->count++;
5535                                 pair = &arglist->pairs[arglist->count];
5536                                 state = 0;
5537                         } else if (*letter == '\0') {
5538                                 letter--;
5539                                 arglist->count++;
5540                                 pair = &arglist->pairs[arglist->count];
5541                                 state = 0;
5542                         }
5543                         break;
5544
5545                 case 3: /* Parsing list */
5546                         if (*letter == ']')
5547                                 state = 2;
5548                         else if (*letter == '\0')
5549                                 return -EINVAL;
5550                         break;
5551                 }
5552                 letter++;
5553         }
5554 }
5555
5556 int
5557 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5558 {
5559         struct rte_kvargs args;
5560         struct rte_kvargs_pair *pair;
5561         unsigned int i;
5562         int result = 0;
5563
5564         memset(eth_da, 0, sizeof(*eth_da));
5565
5566         result = eth_dev_devargs_tokenise(&args, dargs);
5567         if (result < 0)
5568                 goto parse_cleanup;
5569
5570         for (i = 0; i < args.count; i++) {
5571                 pair = &args.pairs[i];
5572                 if (strcmp("representor", pair->key) == 0) {
5573                         result = rte_eth_devargs_parse_list(pair->value,
5574                                 rte_eth_devargs_parse_representor_ports,
5575                                 eth_da);
5576                         if (result < 0)
5577                                 goto parse_cleanup;
5578                 }
5579         }
5580
5581 parse_cleanup:
5582         if (args.str)
5583                 free(args.str);
5584
5585         return result;
5586 }
5587
5588 static int
5589 eth_dev_handle_port_list(const char *cmd __rte_unused,
5590                 const char *params __rte_unused,
5591                 struct rte_tel_data *d)
5592 {
5593         int port_id;
5594
5595         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
5596         RTE_ETH_FOREACH_DEV(port_id)
5597                 rte_tel_data_add_array_int(d, port_id);
5598         return 0;
5599 }
5600
5601 static void
5602 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
5603                 const char *stat_name)
5604 {
5605         int q;
5606         struct rte_tel_data *q_data = rte_tel_data_alloc();
5607         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
5608         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
5609                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
5610         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
5611 }
5612
5613 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
5614
5615 static int
5616 eth_dev_handle_port_stats(const char *cmd __rte_unused,
5617                 const char *params,
5618                 struct rte_tel_data *d)
5619 {
5620         struct rte_eth_stats stats;
5621         int port_id, ret;
5622
5623         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5624                 return -1;
5625
5626         port_id = atoi(params);
5627         if (!rte_eth_dev_is_valid_port(port_id))
5628                 return -1;
5629
5630         ret = rte_eth_stats_get(port_id, &stats);
5631         if (ret < 0)
5632                 return -1;
5633
5634         rte_tel_data_start_dict(d);
5635         ADD_DICT_STAT(stats, ipackets);
5636         ADD_DICT_STAT(stats, opackets);
5637         ADD_DICT_STAT(stats, ibytes);
5638         ADD_DICT_STAT(stats, obytes);
5639         ADD_DICT_STAT(stats, imissed);
5640         ADD_DICT_STAT(stats, ierrors);
5641         ADD_DICT_STAT(stats, oerrors);
5642         ADD_DICT_STAT(stats, rx_nombuf);
5643         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
5644         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
5645         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
5646         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
5647         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
5648
5649         return 0;
5650 }
5651
5652 static int
5653 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
5654                 const char *params,
5655                 struct rte_tel_data *d)
5656 {
5657         struct rte_eth_xstat *eth_xstats;
5658         struct rte_eth_xstat_name *xstat_names;
5659         int port_id, num_xstats;
5660         int i, ret;
5661         char *end_param;
5662
5663         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5664                 return -1;
5665
5666         port_id = strtoul(params, &end_param, 0);
5667         if (*end_param != '\0')
5668                 RTE_ETHDEV_LOG(NOTICE,
5669                         "Extra parameters passed to ethdev telemetry command, ignoring");
5670         if (!rte_eth_dev_is_valid_port(port_id))
5671                 return -1;
5672
5673         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
5674         if (num_xstats < 0)
5675                 return -1;
5676
5677         /* use one malloc for both names and stats */
5678         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
5679                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
5680         if (eth_xstats == NULL)
5681                 return -1;
5682         xstat_names = (void *)&eth_xstats[num_xstats];
5683
5684         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
5685         if (ret < 0 || ret > num_xstats) {
5686                 free(eth_xstats);
5687                 return -1;
5688         }
5689
5690         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
5691         if (ret < 0 || ret > num_xstats) {
5692                 free(eth_xstats);
5693                 return -1;
5694         }
5695
5696         rte_tel_data_start_dict(d);
5697         for (i = 0; i < num_xstats; i++)
5698                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
5699                                 eth_xstats[i].value);
5700         return 0;
5701 }
5702
5703 static int
5704 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
5705                 const char *params,
5706                 struct rte_tel_data *d)
5707 {
5708         static const char *status_str = "status";
5709         int ret, port_id;
5710         struct rte_eth_link link;
5711         char *end_param;
5712
5713         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
5714                 return -1;
5715
5716         port_id = strtoul(params, &end_param, 0);
5717         if (*end_param != '\0')
5718                 RTE_ETHDEV_LOG(NOTICE,
5719                         "Extra parameters passed to ethdev telemetry command, ignoring");
5720         if (!rte_eth_dev_is_valid_port(port_id))
5721                 return -1;
5722
5723         ret = rte_eth_link_get(port_id, &link);
5724         if (ret < 0)
5725                 return -1;
5726
5727         rte_tel_data_start_dict(d);
5728         if (!link.link_status) {
5729                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
5730                 return 0;
5731         }
5732         rte_tel_data_add_dict_string(d, status_str, "UP");
5733         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
5734         rte_tel_data_add_dict_string(d, "duplex",
5735                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
5736                                 "full-duplex" : "half-duplex");
5737         return 0;
5738 }
5739
5740 int
5741 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
5742                                   struct rte_hairpin_peer_info *cur_info,
5743                                   struct rte_hairpin_peer_info *peer_info,
5744                                   uint32_t direction)
5745 {
5746         struct rte_eth_dev *dev;
5747
5748         /* Current queue information is not mandatory. */
5749         if (peer_info == NULL)
5750                 return -EINVAL;
5751
5752         /* No need to check the validity again. */
5753         dev = &rte_eth_devices[peer_port];
5754         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
5755                                 -ENOTSUP);
5756
5757         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
5758                                         cur_info, peer_info, direction);
5759 }
5760
5761 int
5762 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
5763                                 struct rte_hairpin_peer_info *peer_info,
5764                                 uint32_t direction)
5765 {
5766         struct rte_eth_dev *dev;
5767
5768         if (peer_info == NULL)
5769                 return -EINVAL;
5770
5771         /* No need to check the validity again. */
5772         dev = &rte_eth_devices[cur_port];
5773         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
5774                                 -ENOTSUP);
5775
5776         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
5777                                                         peer_info, direction);
5778 }
5779
5780 int
5781 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
5782                                   uint32_t direction)
5783 {
5784         struct rte_eth_dev *dev;
5785
5786         /* No need to check the validity again. */
5787         dev = &rte_eth_devices[cur_port];
5788         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
5789                                 -ENOTSUP);
5790
5791         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
5792                                                           direction);
5793 }
5794
5795 RTE_LOG_REGISTER(rte_eth_dev_logtype, lib.ethdev, INFO);
5796
5797 RTE_INIT(ethdev_init_telemetry)
5798 {
5799         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
5800                         "Returns list of available ethdev ports. Takes no parameters");
5801         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
5802                         "Returns the common stats for a port. Parameters: int port_id");
5803         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
5804                         "Returns the extended stats for a port. Parameters: int port_id");
5805         rte_telemetry_register_cmd("/ethdev/link_status",
5806                         eth_dev_handle_port_link_status,
5807                         "Returns the link status for a port. Parameters: int port_id");
5808 }