lib/ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <ctype.h>
   6 #include <errno.h>
   7 #include <inttypes.h>
   8 #include <stdbool.h>
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <sys/queue.h>
  13
  14 #include <rte_byteorder.h>
  15 #include <rte_log.h>
  16 #include <rte_debug.h>
  17 #include <rte_interrupts.h>
  18 #include <rte_memory.h>
  19 #include <rte_memcpy.h>
  20 #include <rte_memzone.h>
  21 #include <rte_launch.h>
  22 #include <rte_eal.h>
  23 #include <rte_per_lcore.h>
  24 #include <rte_lcore.h>
  25 #include <rte_branch_prediction.h>
  26 #include <rte_common.h>
  27 #include <rte_mempool.h>
  28 #include <rte_malloc.h>
  29 #include <rte_mbuf.h>
  30 #include <rte_errno.h>
  31 #include <rte_spinlock.h>
  32 #include <rte_string_fns.h>
  33 #include <rte_kvargs.h>
  34 #include <rte_class.h>
  35 #include <rte_ether.h>
  36 #include <rte_telemetry.h>
  37
  38 #include "rte_ethdev_trace.h"
  39 #include "rte_ethdev.h"
  40 #include "ethdev_driver.h"
  41 #include "ethdev_profile.h"
  42 #include "ethdev_private.h"
  43
  44 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  45 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  46
  47 /* spinlock for eth device callbacks */
  48 static rte_spinlock_t eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  49
  50 /* spinlock for add/remove rx callbacks */
  51 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  52
  53 /* spinlock for add/remove tx callbacks */
  54 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  55
  56 /* spinlock for shared data allocation */
  57 static rte_spinlock_t eth_dev_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /* store statistics names and its offset in stats structure  */
  60 struct rte_eth_xstats_name_off {
  61         char name[RTE_ETH_XSTATS_NAME_SIZE];
  62         unsigned offset;
  63 };
  64
  65 /* Shared memory between primary and secondary processes. */
  66 static struct {
  67         uint64_t next_owner_id;
  68         rte_spinlock_t ownership_lock;
  69         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  70 } *eth_dev_shared_data;
  71
  72 static const struct rte_eth_xstats_name_off eth_dev_stats_strings[] = {
  73         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  74         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  75         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  76         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  77         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  78         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  79         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  80         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  81                 rx_nombuf)},
  82 };
  83
  84 #define RTE_NB_STATS RTE_DIM(eth_dev_stats_strings)
  85
  86 static const struct rte_eth_xstats_name_off eth_dev_rxq_stats_strings[] = {
  87         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  88         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  89         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  90 };
  91
  92 #define RTE_NB_RXQ_STATS RTE_DIM(eth_dev_rxq_stats_strings)
  93
  94 static const struct rte_eth_xstats_name_off eth_dev_txq_stats_strings[] = {
  95         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
  96         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
  97 };
  98 #define RTE_NB_TXQ_STATS RTE_DIM(eth_dev_txq_stats_strings)
  99
 100 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 101         { DEV_RX_OFFLOAD_##_name, #_name }
 102
 103 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)       \
 104         { RTE_ETH_RX_OFFLOAD_##_name, #_name }
 105
 106 static const struct {
 107         uint64_t offload;
 108         const char *name;
 109 } eth_dev_rx_offload_names[] = {
 110         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 111         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 112         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 113         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 114         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 115         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 116         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 118         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 119         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 120         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 121         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 122         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 123         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 124         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 125         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 126         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 127         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 128         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 129         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
 130 };
 131
 132 #undef RTE_RX_OFFLOAD_BIT2STR
 133 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
 134
 135 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 136         { DEV_TX_OFFLOAD_##_name, #_name }
 137
 138 static const struct {
 139         uint64_t offload;
 140         const char *name;
 141 } eth_dev_tx_offload_names[] = {
 142         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 143         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 144         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 145         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 148         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 149         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 150         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 151         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 153         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 156         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 157         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 158         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 159         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 160         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 161         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 162         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 163         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 164 };
 165
 166 #undef RTE_TX_OFFLOAD_BIT2STR
 167
 168 /**
 169  * The user application callback description.
 170  *
 171  * It contains callback address to be registered by user application,
 172  * the pointer to the parameters for callback, and the event type.
 173  */
 174 struct rte_eth_dev_callback {
 175         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 176         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 177         void *cb_arg;                           /**< Parameter for callback */
 178         void *ret_param;                        /**< Return parameter */
 179         enum rte_eth_event_type event;          /**< Interrupt event type */
 180         uint32_t active;                        /**< Callback is executing */
 181 };
 182
 183 enum {
 184         STAT_QMAP_TX = 0,
 185         STAT_QMAP_RX
 186 };
 187
 188 int
 189 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 190 {
 191         int ret;
 192         struct rte_devargs devargs;
 193         const char *bus_param_key;
 194         char *bus_str = NULL;
 195         char *cls_str = NULL;
 196         int str_size;
 197
 198         if (iter == NULL) {
 199                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
 200                 return -EINVAL;
 201         }
 202
 203         if (devargs_str == NULL) {
 204                 RTE_ETHDEV_LOG(ERR,
 205                         "Cannot initialize iterator from NULL device description string\n");
 206                 return -EINVAL;
 207         }
 208
 209         memset(iter, 0, sizeof(*iter));
 210         memset(&devargs, 0, sizeof(devargs));
 211
 212         /*
 213          * The devargs string may use various syntaxes:
 214          *   - 0000:08:00.0,representor=[1-3]
 215          *   - pci:0000:06:00.0,representor=[0,5]
 216          *   - class=eth,mac=00:11:22:33:44:55
 217          * A new syntax is in development (not yet supported):
 218          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 219          */
 220
 221         /*
 222          * Handle pure class filter (i.e. without any bus-level argument),
 223          * from future new syntax.
 224          * rte_devargs_parse() is not yet supporting the new syntax,
 225          * that's why this simple case is temporarily parsed here.
 226          */
 227 #define iter_anybus_str "class=eth,"
 228         if (strncmp(devargs_str, iter_anybus_str,
 229                         strlen(iter_anybus_str)) == 0) {
 230                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 231                 goto end;
 232         }
 233
 234         /* Split bus, device and parameters. */
 235         ret = rte_devargs_parse(&devargs, devargs_str);
 236         if (ret != 0)
 237                 goto error;
 238
 239         /*
 240          * Assume parameters of old syntax can match only at ethdev level.
 241          * Extra parameters will be ignored, thanks to "+" prefix.
 242          */
 243         str_size = strlen(devargs.args) + 2;
 244         cls_str = malloc(str_size);
 245         if (cls_str == NULL) {
 246                 ret = -ENOMEM;
 247                 goto error;
 248         }
 249         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 250         if (ret != str_size - 1) {
 251                 ret = -EINVAL;
 252                 goto error;
 253         }
 254         iter->cls_str = cls_str;
 255
 256         iter->bus = devargs.bus;
 257         if (iter->bus->dev_iterate == NULL) {
 258                 ret = -ENOTSUP;
 259                 goto error;
 260         }
 261
 262         /* Convert bus args to new syntax for use with new API dev_iterate. */
 263         if ((strcmp(iter->bus->name, "vdev") == 0) ||
 264                 (strcmp(iter->bus->name, "fslmc") == 0) ||
 265                 (strcmp(iter->bus->name, "dpaa_bus") == 0)) {
 266                 bus_param_key = "name";
 267         } else if (strcmp(iter->bus->name, "pci") == 0) {
 268                 bus_param_key = "addr";
 269         } else {
 270                 ret = -ENOTSUP;
 271                 goto error;
 272         }
 273         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 274         bus_str = malloc(str_size);
 275         if (bus_str == NULL) {
 276                 ret = -ENOMEM;
 277                 goto error;
 278         }
 279         ret = snprintf(bus_str, str_size, "%s=%s",
 280                         bus_param_key, devargs.name);
 281         if (ret != str_size - 1) {
 282                 ret = -EINVAL;
 283                 goto error;
 284         }
 285         iter->bus_str = bus_str;
 286
 287 end:
 288         iter->cls = rte_class_find_by_name("eth");
 289         rte_devargs_reset(&devargs);
 290         return 0;
 291
 292 error:
 293         if (ret == -ENOTSUP)
 294                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 295                                 iter->bus->name);
 296         rte_devargs_reset(&devargs);
 297         free(bus_str);
 298         free(cls_str);
 299         return ret;
 300 }
 301
 302 uint16_t
 303 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 304 {
 305         if (iter == NULL) {
 306                 RTE_ETHDEV_LOG(ERR,
 307                         "Cannot get next device from NULL iterator\n");
 308                 return RTE_MAX_ETHPORTS;
 309         }
 310
 311         if (iter->cls == NULL) /* invalid ethdev iterator */
 312                 return RTE_MAX_ETHPORTS;
 313
 314         do { /* loop to try all matching rte_device */
 315                 /* If not pure ethdev filter and */
 316                 if (iter->bus != NULL &&
 317                                 /* not in middle of rte_eth_dev iteration, */
 318                                 iter->class_device == NULL) {
 319                         /* get next rte_device to try. */
 320                         iter->device = iter->bus->dev_iterate(
 321                                         iter->device, iter->bus_str, iter);
 322                         if (iter->device == NULL)
 323                                 break; /* no more rte_device candidate */
 324                 }
 325                 /* A device is matching bus part, need to check ethdev part. */
 326                 iter->class_device = iter->cls->dev_iterate(
 327                                 iter->class_device, iter->cls_str, iter);
 328                 if (iter->class_device != NULL)
 329                         return eth_dev_to_id(iter->class_device); /* match */
 330         } while (iter->bus != NULL); /* need to try next rte_device */
 331
 332         /* No more ethdev port to iterate. */
 333         rte_eth_iterator_cleanup(iter);
 334         return RTE_MAX_ETHPORTS;
 335 }
 336
 337 void
 338 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 339 {
 340         if (iter == NULL) {
 341                 RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
 342                 return;
 343         }
 344
 345         if (iter->bus_str == NULL)
 346                 return; /* nothing to free in pure class filter */
 347         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 348         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 349         memset(iter, 0, sizeof(*iter));
 350 }
 351
 352 uint16_t
 353 rte_eth_find_next(uint16_t port_id)
 354 {
 355         while (port_id < RTE_MAX_ETHPORTS &&
 356                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 357                 port_id++;
 358
 359         if (port_id >= RTE_MAX_ETHPORTS)
 360                 return RTE_MAX_ETHPORTS;
 361
 362         return port_id;
 363 }
 364
 365 /*
 366  * Macro to iterate over all valid ports for internal usage.
 367  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 368  */
 369 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 370         for (port_id = rte_eth_find_next(0); \
 371              port_id < RTE_MAX_ETHPORTS; \
 372              port_id = rte_eth_find_next(port_id + 1))
 373
 374 uint16_t
 375 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 376 {
 377         port_id = rte_eth_find_next(port_id);
 378         while (port_id < RTE_MAX_ETHPORTS &&
 379                         rte_eth_devices[port_id].device != parent)
 380                 port_id = rte_eth_find_next(port_id + 1);
 381
 382         return port_id;
 383 }
 384
 385 uint16_t
 386 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 387 {
 388         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 389         return rte_eth_find_next_of(port_id,
 390                         rte_eth_devices[ref_port_id].device);
 391 }
 392
 393 static void
 394 eth_dev_shared_data_prepare(void)
 395 {
 396         const unsigned flags = 0;
 397         const struct rte_memzone *mz;
 398
 399         rte_spinlock_lock(&eth_dev_shared_data_lock);
 400
 401         if (eth_dev_shared_data == NULL) {
 402                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 403                         /* Allocate port data and ownership shared memory. */
 404                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 405                                         sizeof(*eth_dev_shared_data),
 406                                         rte_socket_id(), flags);
 407                 } else
 408                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 409                 if (mz == NULL)
 410                         rte_panic("Cannot allocate ethdev shared data\n");
 411
 412                 eth_dev_shared_data = mz->addr;
 413                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 414                         eth_dev_shared_data->next_owner_id =
 415                                         RTE_ETH_DEV_NO_OWNER + 1;
 416                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
 417                         memset(eth_dev_shared_data->data, 0,
 418                                sizeof(eth_dev_shared_data->data));
 419                 }
 420         }
 421
 422         rte_spinlock_unlock(&eth_dev_shared_data_lock);
 423 }
 424
 425 static bool
 426 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
 427 {
 428         return ethdev->data->name[0] != '\0';
 429 }
 430
 431 static struct rte_eth_dev *
 432 eth_dev_allocated(const char *name)
 433 {
 434         uint16_t i;
 435
 436         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
 437
 438         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 439                 if (rte_eth_devices[i].data != NULL &&
 440                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 441                         return &rte_eth_devices[i];
 442         }
 443         return NULL;
 444 }
 445
 446 struct rte_eth_dev *
 447 rte_eth_dev_allocated(const char *name)
 448 {
 449         struct rte_eth_dev *ethdev;
 450
 451         eth_dev_shared_data_prepare();
 452
 453         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 454
 455         ethdev = eth_dev_allocated(name);
 456
 457         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 458
 459         return ethdev;
 460 }
 461
 462 static uint16_t
 463 eth_dev_find_free_port(void)
 464 {
 465         uint16_t i;
 466
 467         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 468                 /* Using shared name field to find a free port. */
 469                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
 470                         RTE_ASSERT(rte_eth_devices[i].state ==
 471                                    RTE_ETH_DEV_UNUSED);
 472                         return i;
 473                 }
 474         }
 475         return RTE_MAX_ETHPORTS;
 476 }
 477
 478 static struct rte_eth_dev *
 479 eth_dev_get(uint16_t port_id)
 480 {
 481         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 482
 483         eth_dev->data = &eth_dev_shared_data->data[port_id];
 484
 485         return eth_dev;
 486 }
 487
 488 struct rte_eth_dev *
 489 rte_eth_dev_allocate(const char *name)
 490 {
 491         uint16_t port_id;
 492         struct rte_eth_dev *eth_dev = NULL;
 493         size_t name_len;
 494
 495         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 496         if (name_len == 0) {
 497                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 498                 return NULL;
 499         }
 500
 501         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 502                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 503                 return NULL;
 504         }
 505
 506         eth_dev_shared_data_prepare();
 507
 508         /* Synchronize port creation between primary and secondary threads. */
 509         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 510
 511         if (eth_dev_allocated(name) != NULL) {
 512                 RTE_ETHDEV_LOG(ERR,
 513                         "Ethernet device with name %s already allocated\n",
 514                         name);
 515                 goto unlock;
 516         }
 517
 518         port_id = eth_dev_find_free_port();
 519         if (port_id == RTE_MAX_ETHPORTS) {
 520                 RTE_ETHDEV_LOG(ERR,
 521                         "Reached maximum number of Ethernet ports\n");
 522                 goto unlock;
 523         }
 524
 525         eth_dev = eth_dev_get(port_id);
 526         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 527         eth_dev->data->port_id = port_id;
 528         eth_dev->data->mtu = RTE_ETHER_MTU;
 529         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 530
 531 unlock:
 532         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 533
 534         return eth_dev;
 535 }
 536
 537 /*
 538  * Attach to a port already registered by the primary process, which
 539  * makes sure that the same device would have the same port id both
 540  * in the primary and secondary process.
 541  */
 542 struct rte_eth_dev *
 543 rte_eth_dev_attach_secondary(const char *name)
 544 {
 545         uint16_t i;
 546         struct rte_eth_dev *eth_dev = NULL;
 547
 548         eth_dev_shared_data_prepare();
 549
 550         /* Synchronize port attachment to primary port creation and release. */
 551         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 552
 553         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 554                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
 555                         break;
 556         }
 557         if (i == RTE_MAX_ETHPORTS) {
 558                 RTE_ETHDEV_LOG(ERR,
 559                         "Device %s is not driven by the primary process\n",
 560                         name);
 561         } else {
 562                 eth_dev = eth_dev_get(i);
 563                 RTE_ASSERT(eth_dev->data->port_id == i);
 564         }
 565
 566         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 567         return eth_dev;
 568 }
 569
 570 int
 571 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 572 {
 573         if (eth_dev == NULL)
 574                 return -EINVAL;
 575
 576         eth_dev_shared_data_prepare();
 577
 578         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 579                 rte_eth_dev_callback_process(eth_dev,
 580                                 RTE_ETH_EVENT_DESTROY, NULL);
 581
 582         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 583
 584         eth_dev->state = RTE_ETH_DEV_UNUSED;
 585         eth_dev->device = NULL;
 586         eth_dev->process_private = NULL;
 587         eth_dev->intr_handle = NULL;
 588         eth_dev->rx_pkt_burst = NULL;
 589         eth_dev->tx_pkt_burst = NULL;
 590         eth_dev->tx_pkt_prepare = NULL;
 591         eth_dev->rx_queue_count = NULL;
 592         eth_dev->rx_descriptor_done = NULL;
 593         eth_dev->rx_descriptor_status = NULL;
 594         eth_dev->tx_descriptor_status = NULL;
 595         eth_dev->dev_ops = NULL;
 596
 597         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 598                 rte_free(eth_dev->data->rx_queues);
 599                 rte_free(eth_dev->data->tx_queues);
 600                 rte_free(eth_dev->data->mac_addrs);
 601                 rte_free(eth_dev->data->hash_mac_addrs);
 602                 rte_free(eth_dev->data->dev_private);
 603                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 604                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 605         }
 606
 607         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 608
 609         return 0;
 610 }
 611
 612 int
 613 rte_eth_dev_is_valid_port(uint16_t port_id)
 614 {
 615         if (port_id >= RTE_MAX_ETHPORTS ||
 616             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 617                 return 0;
 618         else
 619                 return 1;
 620 }
 621
 622 static int
 623 eth_is_valid_owner_id(uint64_t owner_id)
 624 {
 625         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 626             eth_dev_shared_data->next_owner_id <= owner_id)
 627                 return 0;
 628         return 1;
 629 }
 630
 631 uint64_t
 632 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 633 {
 634         port_id = rte_eth_find_next(port_id);
 635         while (port_id < RTE_MAX_ETHPORTS &&
 636                         rte_eth_devices[port_id].data->owner.id != owner_id)
 637                 port_id = rte_eth_find_next(port_id + 1);
 638
 639         return port_id;
 640 }
 641
 642 int
 643 rte_eth_dev_owner_new(uint64_t *owner_id)
 644 {
 645         if (owner_id == NULL) {
 646                 RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
 647                 return -EINVAL;
 648         }
 649
 650         eth_dev_shared_data_prepare();
 651
 652         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 653
 654         *owner_id = eth_dev_shared_data->next_owner_id++;
 655
 656         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 657         return 0;
 658 }
 659
 660 static int
 661 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 662                        const struct rte_eth_dev_owner *new_owner)
 663 {
 664         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 665         struct rte_eth_dev_owner *port_owner;
 666
 667         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 668                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 669                         port_id);
 670                 return -ENODEV;
 671         }
 672
 673         if (new_owner == NULL) {
 674                 RTE_ETHDEV_LOG(ERR,
 675                         "Cannot set ethdev port %u owner from NULL owner\n",
 676                         port_id);
 677                 return -EINVAL;
 678         }
 679
 680         if (!eth_is_valid_owner_id(new_owner->id) &&
 681             !eth_is_valid_owner_id(old_owner_id)) {
 682                 RTE_ETHDEV_LOG(ERR,
 683                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 684                        old_owner_id, new_owner->id);
 685                 return -EINVAL;
 686         }
 687
 688         port_owner = &rte_eth_devices[port_id].data->owner;
 689         if (port_owner->id != old_owner_id) {
 690                 RTE_ETHDEV_LOG(ERR,
 691                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 692                         port_id, port_owner->name, port_owner->id);
 693                 return -EPERM;
 694         }
 695
 696         /* can not truncate (same structure) */
 697         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 698
 699         port_owner->id = new_owner->id;
 700
 701         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 702                 port_id, new_owner->name, new_owner->id);
 703
 704         return 0;
 705 }
 706
 707 int
 708 rte_eth_dev_owner_set(const uint16_t port_id,
 709                       const struct rte_eth_dev_owner *owner)
 710 {
 711         int ret;
 712
 713         eth_dev_shared_data_prepare();
 714
 715         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 716
 717         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 718
 719         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 720         return ret;
 721 }
 722
 723 int
 724 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 725 {
 726         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 727                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 728         int ret;
 729
 730         eth_dev_shared_data_prepare();
 731
 732         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 733
 734         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
 735
 736         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 737         return ret;
 738 }
 739
 740 int
 741 rte_eth_dev_owner_delete(const uint64_t owner_id)
 742 {
 743         uint16_t port_id;
 744         int ret = 0;
 745
 746         eth_dev_shared_data_prepare();
 747
 748         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 749
 750         if (eth_is_valid_owner_id(owner_id)) {
 751                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 752                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 753                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 754                                        sizeof(struct rte_eth_dev_owner));
 755                 RTE_ETHDEV_LOG(NOTICE,
 756                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 757                         owner_id);
 758         } else {
 759                 RTE_ETHDEV_LOG(ERR,
 760                                "Invalid owner id=%016"PRIx64"\n",
 761                                owner_id);
 762                 ret = -EINVAL;
 763         }
 764
 765         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 766
 767         return ret;
 768 }
 769
 770 int
 771 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 772 {
 773         struct rte_eth_dev *ethdev;
 774
 775         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 776         ethdev = &rte_eth_devices[port_id];
 777
 778         if (!eth_dev_is_allocated(ethdev)) {
 779                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 780                         port_id);
 781                 return -ENODEV;
 782         }
 783
 784         if (owner == NULL) {
 785                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
 786                         port_id);
 787                 return -EINVAL;
 788         }
 789
 790         eth_dev_shared_data_prepare();
 791
 792         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 793         rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 794         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 795
 796         return 0;
 797 }
 798
 799 int
 800 rte_eth_dev_socket_id(uint16_t port_id)
 801 {
 802         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 803         return rte_eth_devices[port_id].data->numa_node;
 804 }
 805
 806 void *
 807 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 808 {
 809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 810         return rte_eth_devices[port_id].security_ctx;
 811 }
 812
 813 uint16_t
 814 rte_eth_dev_count_avail(void)
 815 {
 816         uint16_t p;
 817         uint16_t count;
 818
 819         count = 0;
 820
 821         RTE_ETH_FOREACH_DEV(p)
 822                 count++;
 823
 824         return count;
 825 }
 826
 827 uint16_t
 828 rte_eth_dev_count_total(void)
 829 {
 830         uint16_t port, count = 0;
 831
 832         RTE_ETH_FOREACH_VALID_DEV(port)
 833                 count++;
 834
 835         return count;
 836 }
 837
 838 int
 839 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 840 {
 841         char *tmp;
 842
 843         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 844
 845         if (name == NULL) {
 846                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
 847                         port_id);
 848                 return -EINVAL;
 849         }
 850
 851         /* shouldn't check 'rte_eth_devices[i].data',
 852          * because it might be overwritten by VDEV PMD */
 853         tmp = eth_dev_shared_data->data[port_id].name;
 854         strcpy(name, tmp);
 855         return 0;
 856 }
 857
 858 int
 859 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 860 {
 861         uint16_t pid;
 862
 863         if (name == NULL) {
 864                 RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
 865                 return -EINVAL;
 866         }
 867
 868         if (port_id == NULL) {
 869                 RTE_ETHDEV_LOG(ERR,
 870                         "Cannot get port ID to NULL for %s\n", name);
 871                 return -EINVAL;
 872         }
 873
 874         RTE_ETH_FOREACH_VALID_DEV(pid)
 875                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
 876                         *port_id = pid;
 877                         return 0;
 878                 }
 879
 880         return -ENODEV;
 881 }
 882
 883 static int
 884 eth_err(uint16_t port_id, int ret)
 885 {
 886         if (ret == 0)
 887                 return 0;
 888         if (rte_eth_dev_is_removed(port_id))
 889                 return -EIO;
 890         return ret;
 891 }
 892
 893 static int
 894 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 895 {
 896         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 897         void **rxq;
 898         unsigned i;
 899
 900         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 901                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 902                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 903                                 RTE_CACHE_LINE_SIZE);
 904                 if (dev->data->rx_queues == NULL) {
 905                         dev->data->nb_rx_queues = 0;
 906                         return -(ENOMEM);
 907                 }
 908         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 909                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 910
 911                 rxq = dev->data->rx_queues;
 912
 913                 for (i = nb_queues; i < old_nb_queues; i++)
 914                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 915                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 916                                 RTE_CACHE_LINE_SIZE);
 917                 if (rxq == NULL)
 918                         return -(ENOMEM);
 919                 if (nb_queues > old_nb_queues) {
 920                         uint16_t new_qs = nb_queues - old_nb_queues;
 921
 922                         memset(rxq + old_nb_queues, 0,
 923                                 sizeof(rxq[0]) * new_qs);
 924                 }
 925
 926                 dev->data->rx_queues = rxq;
 927
 928         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 929                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 930
 931                 rxq = dev->data->rx_queues;
 932
 933                 for (i = nb_queues; i < old_nb_queues; i++)
 934                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 935
 936                 rte_free(dev->data->rx_queues);
 937                 dev->data->rx_queues = NULL;
 938         }
 939         dev->data->nb_rx_queues = nb_queues;
 940         return 0;
 941 }
 942
 943 static int
 944 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 945 {
 946         uint16_t port_id;
 947
 948         if (rx_queue_id >= dev->data->nb_rx_queues) {
 949                 port_id = dev->data->port_id;
 950                 RTE_ETHDEV_LOG(ERR,
 951                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 952                                rx_queue_id, port_id);
 953                 return -EINVAL;
 954         }
 955
 956         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 957                 port_id = dev->data->port_id;
 958                 RTE_ETHDEV_LOG(ERR,
 959                                "Queue %u of device with port_id=%u has not been setup\n",
 960                                rx_queue_id, port_id);
 961                 return -EINVAL;
 962         }
 963
 964         return 0;
 965 }
 966
 967 static int
 968 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 969 {
 970         uint16_t port_id;
 971
 972         if (tx_queue_id >= dev->data->nb_tx_queues) {
 973                 port_id = dev->data->port_id;
 974                 RTE_ETHDEV_LOG(ERR,
 975                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 976                                tx_queue_id, port_id);
 977                 return -EINVAL;
 978         }
 979
 980         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 981                 port_id = dev->data->port_id;
 982                 RTE_ETHDEV_LOG(ERR,
 983                                "Queue %u of device with port_id=%u has not been setup\n",
 984                                tx_queue_id, port_id);
 985                 return -EINVAL;
 986         }
 987
 988         return 0;
 989 }
 990
 991 int
 992 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 993 {
 994         struct rte_eth_dev *dev;
 995         int ret;
 996
 997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 998         dev = &rte_eth_devices[port_id];
 999
1000         if (!dev->data->dev_started) {
1001                 RTE_ETHDEV_LOG(ERR,
1002                         "Port %u must be started before start any queue\n",
1003                         port_id);
1004                 return -EINVAL;
1005         }
1006
1007         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1008         if (ret != 0)
1009                 return ret;
1010
1011         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1012
1013         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1014                 RTE_ETHDEV_LOG(INFO,
1015                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1016                         rx_queue_id, port_id);
1017                 return -EINVAL;
1018         }
1019
1020         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1021                 RTE_ETHDEV_LOG(INFO,
1022                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1023                         rx_queue_id, port_id);
1024                 return 0;
1025         }
1026
1027         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1028 }
1029
1030 int
1031 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1032 {
1033         struct rte_eth_dev *dev;
1034         int ret;
1035
1036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1037         dev = &rte_eth_devices[port_id];
1038
1039         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1040         if (ret != 0)
1041                 return ret;
1042
1043         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1044
1045         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1046                 RTE_ETHDEV_LOG(INFO,
1047                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1048                         rx_queue_id, port_id);
1049                 return -EINVAL;
1050         }
1051
1052         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1053                 RTE_ETHDEV_LOG(INFO,
1054                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1055                         rx_queue_id, port_id);
1056                 return 0;
1057         }
1058
1059         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1060 }
1061
1062 int
1063 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1064 {
1065         struct rte_eth_dev *dev;
1066         int ret;
1067
1068         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1069         dev = &rte_eth_devices[port_id];
1070
1071         if (!dev->data->dev_started) {
1072                 RTE_ETHDEV_LOG(ERR,
1073                         "Port %u must be started before start any queue\n",
1074                         port_id);
1075                 return -EINVAL;
1076         }
1077
1078         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1079         if (ret != 0)
1080                 return ret;
1081
1082         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1083
1084         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1085                 RTE_ETHDEV_LOG(INFO,
1086                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1087                         tx_queue_id, port_id);
1088                 return -EINVAL;
1089         }
1090
1091         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1092                 RTE_ETHDEV_LOG(INFO,
1093                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1094                         tx_queue_id, port_id);
1095                 return 0;
1096         }
1097
1098         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1099 }
1100
1101 int
1102 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1103 {
1104         struct rte_eth_dev *dev;
1105         int ret;
1106
1107         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1108         dev = &rte_eth_devices[port_id];
1109
1110         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1111         if (ret != 0)
1112                 return ret;
1113
1114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1115
1116         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1117                 RTE_ETHDEV_LOG(INFO,
1118                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1119                         tx_queue_id, port_id);
1120                 return -EINVAL;
1121         }
1122
1123         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1124                 RTE_ETHDEV_LOG(INFO,
1125                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1126                         tx_queue_id, port_id);
1127                 return 0;
1128         }
1129
1130         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1131 }
1132
1133 static int
1134 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1135 {
1136         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1137         void **txq;
1138         unsigned i;
1139
1140         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1141                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1142                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1143                                                    RTE_CACHE_LINE_SIZE);
1144                 if (dev->data->tx_queues == NULL) {
1145                         dev->data->nb_tx_queues = 0;
1146                         return -(ENOMEM);
1147                 }
1148         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1149                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1150
1151                 txq = dev->data->tx_queues;
1152
1153                 for (i = nb_queues; i < old_nb_queues; i++)
1154                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1155                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1156                                   RTE_CACHE_LINE_SIZE);
1157                 if (txq == NULL)
1158                         return -ENOMEM;
1159                 if (nb_queues > old_nb_queues) {
1160                         uint16_t new_qs = nb_queues - old_nb_queues;
1161
1162                         memset(txq + old_nb_queues, 0,
1163                                sizeof(txq[0]) * new_qs);
1164                 }
1165
1166                 dev->data->tx_queues = txq;
1167
1168         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1169                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1170
1171                 txq = dev->data->tx_queues;
1172
1173                 for (i = nb_queues; i < old_nb_queues; i++)
1174                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1175
1176                 rte_free(dev->data->tx_queues);
1177                 dev->data->tx_queues = NULL;
1178         }
1179         dev->data->nb_tx_queues = nb_queues;
1180         return 0;
1181 }
1182
1183 uint32_t
1184 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1185 {
1186         switch (speed) {
1187         case ETH_SPEED_NUM_10M:
1188                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1189         case ETH_SPEED_NUM_100M:
1190                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1191         case ETH_SPEED_NUM_1G:
1192                 return ETH_LINK_SPEED_1G;
1193         case ETH_SPEED_NUM_2_5G:
1194                 return ETH_LINK_SPEED_2_5G;
1195         case ETH_SPEED_NUM_5G:
1196                 return ETH_LINK_SPEED_5G;
1197         case ETH_SPEED_NUM_10G:
1198                 return ETH_LINK_SPEED_10G;
1199         case ETH_SPEED_NUM_20G:
1200                 return ETH_LINK_SPEED_20G;
1201         case ETH_SPEED_NUM_25G:
1202                 return ETH_LINK_SPEED_25G;
1203         case ETH_SPEED_NUM_40G:
1204                 return ETH_LINK_SPEED_40G;
1205         case ETH_SPEED_NUM_50G:
1206                 return ETH_LINK_SPEED_50G;
1207         case ETH_SPEED_NUM_56G:
1208                 return ETH_LINK_SPEED_56G;
1209         case ETH_SPEED_NUM_100G:
1210                 return ETH_LINK_SPEED_100G;
1211         case ETH_SPEED_NUM_200G:
1212                 return ETH_LINK_SPEED_200G;
1213         default:
1214                 return 0;
1215         }
1216 }
1217
1218 const char *
1219 rte_eth_dev_rx_offload_name(uint64_t offload)
1220 {
1221         const char *name = "UNKNOWN";
1222         unsigned int i;
1223
1224         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1225                 if (offload == eth_dev_rx_offload_names[i].offload) {
1226                         name = eth_dev_rx_offload_names[i].name;
1227                         break;
1228                 }
1229         }
1230
1231         return name;
1232 }
1233
1234 const char *
1235 rte_eth_dev_tx_offload_name(uint64_t offload)
1236 {
1237         const char *name = "UNKNOWN";
1238         unsigned int i;
1239
1240         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1241                 if (offload == eth_dev_tx_offload_names[i].offload) {
1242                         name = eth_dev_tx_offload_names[i].name;
1243                         break;
1244                 }
1245         }
1246
1247         return name;
1248 }
1249
1250 static inline int
1251 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1252                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1253 {
1254         int ret = 0;
1255
1256         if (dev_info_size == 0) {
1257                 if (config_size != max_rx_pkt_len) {
1258                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1259                                        " %u != %u is not allowed\n",
1260                                        port_id, config_size, max_rx_pkt_len);
1261                         ret = -EINVAL;
1262                 }
1263         } else if (config_size > dev_info_size) {
1264                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1265                                "> max allowed value %u\n", port_id, config_size,
1266                                dev_info_size);
1267                 ret = -EINVAL;
1268         } else if (config_size < RTE_ETHER_MIN_LEN) {
1269                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1270                                "< min allowed value %u\n", port_id, config_size,
1271                                (unsigned int)RTE_ETHER_MIN_LEN);
1272                 ret = -EINVAL;
1273         }
1274         return ret;
1275 }
1276
1277 /*
1278  * Validate offloads that are requested through rte_eth_dev_configure against
1279  * the offloads successfully set by the ethernet device.
1280  *
1281  * @param port_id
1282  *   The port identifier of the Ethernet device.
1283  * @param req_offloads
1284  *   The offloads that have been requested through `rte_eth_dev_configure`.
1285  * @param set_offloads
1286  *   The offloads successfully set by the ethernet device.
1287  * @param offload_type
1288  *   The offload type i.e. Rx/Tx string.
1289  * @param offload_name
1290  *   The function that prints the offload name.
1291  * @return
1292  *   - (0) if validation successful.
1293  *   - (-EINVAL) if requested offload has been silently disabled.
1294  *
1295  */
1296 static int
1297 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1298                   uint64_t set_offloads, const char *offload_type,
1299                   const char *(*offload_name)(uint64_t))
1300 {
1301         uint64_t offloads_diff = req_offloads ^ set_offloads;
1302         uint64_t offload;
1303         int ret = 0;
1304
1305         while (offloads_diff != 0) {
1306                 /* Check if any offload is requested but not enabled. */
1307                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1308                 if (offload & req_offloads) {
1309                         RTE_ETHDEV_LOG(ERR,
1310                                 "Port %u failed to enable %s offload %s\n",
1311                                 port_id, offload_type, offload_name(offload));
1312                         ret = -EINVAL;
1313                 }
1314
1315                 /* Check if offload couldn't be disabled. */
1316                 if (offload & set_offloads) {
1317                         RTE_ETHDEV_LOG(DEBUG,
1318                                 "Port %u %s offload %s is not requested but enabled\n",
1319                                 port_id, offload_type, offload_name(offload));
1320                 }
1321
1322                 offloads_diff &= ~offload;
1323         }
1324
1325         return ret;
1326 }
1327
1328 int
1329 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1330                       const struct rte_eth_conf *dev_conf)
1331 {
1332         struct rte_eth_dev *dev;
1333         struct rte_eth_dev_info dev_info;
1334         struct rte_eth_conf orig_conf;
1335         uint16_t overhead_len;
1336         int diag;
1337         int ret;
1338         uint16_t old_mtu;
1339
1340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1341         dev = &rte_eth_devices[port_id];
1342
1343         if (dev_conf == NULL) {
1344                 RTE_ETHDEV_LOG(ERR,
1345                         "Cannot configure ethdev port %u from NULL config\n",
1346                         port_id);
1347                 return -EINVAL;
1348         }
1349
1350         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1351
1352         if (dev->data->dev_started) {
1353                 RTE_ETHDEV_LOG(ERR,
1354                         "Port %u must be stopped to allow configuration\n",
1355                         port_id);
1356                 return -EBUSY;
1357         }
1358
1359          /* Store original config, as rollback required on failure */
1360         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1361
1362         /*
1363          * Copy the dev_conf parameter into the dev structure.
1364          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1365          */
1366         if (dev_conf != &dev->data->dev_conf)
1367                 memcpy(&dev->data->dev_conf, dev_conf,
1368                        sizeof(dev->data->dev_conf));
1369
1370         /* Backup mtu for rollback */
1371         old_mtu = dev->data->mtu;
1372
1373         ret = rte_eth_dev_info_get(port_id, &dev_info);
1374         if (ret != 0)
1375                 goto rollback;
1376
1377         /* Get the real Ethernet overhead length */
1378         if (dev_info.max_mtu != UINT16_MAX &&
1379             dev_info.max_rx_pktlen > dev_info.max_mtu)
1380                 overhead_len = dev_info.max_rx_pktlen - dev_info.max_mtu;
1381         else
1382                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1383
1384         /* If number of queues specified by application for both Rx and Tx is
1385          * zero, use driver preferred values. This cannot be done individually
1386          * as it is valid for either Tx or Rx (but not both) to be zero.
1387          * If driver does not provide any preferred valued, fall back on
1388          * EAL defaults.
1389          */
1390         if (nb_rx_q == 0 && nb_tx_q == 0) {
1391                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1392                 if (nb_rx_q == 0)
1393                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1394                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1395                 if (nb_tx_q == 0)
1396                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1397         }
1398
1399         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1400                 RTE_ETHDEV_LOG(ERR,
1401                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1402                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1403                 ret = -EINVAL;
1404                 goto rollback;
1405         }
1406
1407         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1408                 RTE_ETHDEV_LOG(ERR,
1409                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1410                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1411                 ret = -EINVAL;
1412                 goto rollback;
1413         }
1414
1415         /*
1416          * Check that the numbers of RX and TX queues are not greater
1417          * than the maximum number of RX and TX queues supported by the
1418          * configured device.
1419          */
1420         if (nb_rx_q > dev_info.max_rx_queues) {
1421                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1422                         port_id, nb_rx_q, dev_info.max_rx_queues);
1423                 ret = -EINVAL;
1424                 goto rollback;
1425         }
1426
1427         if (nb_tx_q > dev_info.max_tx_queues) {
1428                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1429                         port_id, nb_tx_q, dev_info.max_tx_queues);
1430                 ret = -EINVAL;
1431                 goto rollback;
1432         }
1433
1434         /* Check that the device supports requested interrupts */
1435         if ((dev_conf->intr_conf.lsc == 1) &&
1436                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1437                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1438                         dev->device->driver->name);
1439                 ret = -EINVAL;
1440                 goto rollback;
1441         }
1442         if ((dev_conf->intr_conf.rmv == 1) &&
1443                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1444                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1445                         dev->device->driver->name);
1446                 ret = -EINVAL;
1447                 goto rollback;
1448         }
1449
1450         /*
1451          * If jumbo frames are enabled, check that the maximum RX packet
1452          * length is supported by the configured device.
1453          */
1454         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1455                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1456                         RTE_ETHDEV_LOG(ERR,
1457                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1458                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1459                                 dev_info.max_rx_pktlen);
1460                         ret = -EINVAL;
1461                         goto rollback;
1462                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1463                         RTE_ETHDEV_LOG(ERR,
1464                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1465                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1466                                 (unsigned int)RTE_ETHER_MIN_LEN);
1467                         ret = -EINVAL;
1468                         goto rollback;
1469                 }
1470
1471                 /* Scale the MTU size to adapt max_rx_pkt_len */
1472                 dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
1473                                 overhead_len;
1474         } else {
1475                 uint16_t pktlen = dev_conf->rxmode.max_rx_pkt_len;
1476                 if (pktlen < RTE_ETHER_MIN_MTU + overhead_len ||
1477                     pktlen > RTE_ETHER_MTU + overhead_len)
1478                         /* Use default value */
1479                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1480                                                 RTE_ETHER_MTU + overhead_len;
1481         }
1482
1483         /*
1484          * If LRO is enabled, check that the maximum aggregated packet
1485          * size is supported by the configured device.
1486          */
1487         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1488                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1489                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1490                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1491                 ret = eth_dev_check_lro_pkt_size(port_id,
1492                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1493                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1494                                 dev_info.max_lro_pkt_size);
1495                 if (ret != 0)
1496                         goto rollback;
1497         }
1498
1499         /* Any requested offloading must be within its device capabilities */
1500         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1501              dev_conf->rxmode.offloads) {
1502                 RTE_ETHDEV_LOG(ERR,
1503                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1504                         "capabilities 0x%"PRIx64" in %s()\n",
1505                         port_id, dev_conf->rxmode.offloads,
1506                         dev_info.rx_offload_capa,
1507                         __func__);
1508                 ret = -EINVAL;
1509                 goto rollback;
1510         }
1511         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1512              dev_conf->txmode.offloads) {
1513                 RTE_ETHDEV_LOG(ERR,
1514                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1515                         "capabilities 0x%"PRIx64" in %s()\n",
1516                         port_id, dev_conf->txmode.offloads,
1517                         dev_info.tx_offload_capa,
1518                         __func__);
1519                 ret = -EINVAL;
1520                 goto rollback;
1521         }
1522
1523         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1524                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1525
1526         /* Check that device supports requested rss hash functions. */
1527         if ((dev_info.flow_type_rss_offloads |
1528              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1529             dev_info.flow_type_rss_offloads) {
1530                 RTE_ETHDEV_LOG(ERR,
1531                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1532                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1533                         dev_info.flow_type_rss_offloads);
1534                 ret = -EINVAL;
1535                 goto rollback;
1536         }
1537
1538         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1539         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1540             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1541                 RTE_ETHDEV_LOG(ERR,
1542                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1543                         port_id,
1544                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1545                 ret = -EINVAL;
1546                 goto rollback;
1547         }
1548
1549         /*
1550          * Setup new number of RX/TX queues and reconfigure device.
1551          */
1552         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1553         if (diag != 0) {
1554                 RTE_ETHDEV_LOG(ERR,
1555                         "Port%u eth_dev_rx_queue_config = %d\n",
1556                         port_id, diag);
1557                 ret = diag;
1558                 goto rollback;
1559         }
1560
1561         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1562         if (diag != 0) {
1563                 RTE_ETHDEV_LOG(ERR,
1564                         "Port%u eth_dev_tx_queue_config = %d\n",
1565                         port_id, diag);
1566                 eth_dev_rx_queue_config(dev, 0);
1567                 ret = diag;
1568                 goto rollback;
1569         }
1570
1571         diag = (*dev->dev_ops->dev_configure)(dev);
1572         if (diag != 0) {
1573                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1574                         port_id, diag);
1575                 ret = eth_err(port_id, diag);
1576                 goto reset_queues;
1577         }
1578
1579         /* Initialize Rx profiling if enabled at compilation time. */
1580         diag = __rte_eth_dev_profile_init(port_id, dev);
1581         if (diag != 0) {
1582                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1583                         port_id, diag);
1584                 ret = eth_err(port_id, diag);
1585                 goto reset_queues;
1586         }
1587
1588         /* Validate Rx offloads. */
1589         diag = eth_dev_validate_offloads(port_id,
1590                         dev_conf->rxmode.offloads,
1591                         dev->data->dev_conf.rxmode.offloads, "Rx",
1592                         rte_eth_dev_rx_offload_name);
1593         if (diag != 0) {
1594                 ret = diag;
1595                 goto reset_queues;
1596         }
1597
1598         /* Validate Tx offloads. */
1599         diag = eth_dev_validate_offloads(port_id,
1600                         dev_conf->txmode.offloads,
1601                         dev->data->dev_conf.txmode.offloads, "Tx",
1602                         rte_eth_dev_tx_offload_name);
1603         if (diag != 0) {
1604                 ret = diag;
1605                 goto reset_queues;
1606         }
1607
1608         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1609         return 0;
1610 reset_queues:
1611         eth_dev_rx_queue_config(dev, 0);
1612         eth_dev_tx_queue_config(dev, 0);
1613 rollback:
1614         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1615         if (old_mtu != dev->data->mtu)
1616                 dev->data->mtu = old_mtu;
1617
1618         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1619         return ret;
1620 }
1621
1622 void
1623 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1624 {
1625         if (dev->data->dev_started) {
1626                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1627                         dev->data->port_id);
1628                 return;
1629         }
1630
1631         eth_dev_rx_queue_config(dev, 0);
1632         eth_dev_tx_queue_config(dev, 0);
1633
1634         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1635 }
1636
1637 static void
1638 eth_dev_mac_restore(struct rte_eth_dev *dev,
1639                         struct rte_eth_dev_info *dev_info)
1640 {
1641         struct rte_ether_addr *addr;
1642         uint16_t i;
1643         uint32_t pool = 0;
1644         uint64_t pool_mask;
1645
1646         /* replay MAC address configuration including default MAC */
1647         addr = &dev->data->mac_addrs[0];
1648         if (*dev->dev_ops->mac_addr_set != NULL)
1649                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1650         else if (*dev->dev_ops->mac_addr_add != NULL)
1651                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1652
1653         if (*dev->dev_ops->mac_addr_add != NULL) {
1654                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1655                         addr = &dev->data->mac_addrs[i];
1656
1657                         /* skip zero address */
1658                         if (rte_is_zero_ether_addr(addr))
1659                                 continue;
1660
1661                         pool = 0;
1662                         pool_mask = dev->data->mac_pool_sel[i];
1663
1664                         do {
1665                                 if (pool_mask & 1ULL)
1666                                         (*dev->dev_ops->mac_addr_add)(dev,
1667                                                 addr, i, pool);
1668                                 pool_mask >>= 1;
1669                                 pool++;
1670                         } while (pool_mask);
1671                 }
1672         }
1673 }
1674
1675 static int
1676 eth_dev_config_restore(struct rte_eth_dev *dev,
1677                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1678 {
1679         int ret;
1680
1681         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1682                 eth_dev_mac_restore(dev, dev_info);
1683
1684         /* replay promiscuous configuration */
1685         /*
1686          * use callbacks directly since we don't need port_id check and
1687          * would like to bypass the same value set
1688          */
1689         if (rte_eth_promiscuous_get(port_id) == 1 &&
1690             *dev->dev_ops->promiscuous_enable != NULL) {
1691                 ret = eth_err(port_id,
1692                               (*dev->dev_ops->promiscuous_enable)(dev));
1693                 if (ret != 0 && ret != -ENOTSUP) {
1694                         RTE_ETHDEV_LOG(ERR,
1695                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1696                                 port_id, rte_strerror(-ret));
1697                         return ret;
1698                 }
1699         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1700                    *dev->dev_ops->promiscuous_disable != NULL) {
1701                 ret = eth_err(port_id,
1702                               (*dev->dev_ops->promiscuous_disable)(dev));
1703                 if (ret != 0 && ret != -ENOTSUP) {
1704                         RTE_ETHDEV_LOG(ERR,
1705                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1706                                 port_id, rte_strerror(-ret));
1707                         return ret;
1708                 }
1709         }
1710
1711         /* replay all multicast configuration */
1712         /*
1713          * use callbacks directly since we don't need port_id check and
1714          * would like to bypass the same value set
1715          */
1716         if (rte_eth_allmulticast_get(port_id) == 1 &&
1717             *dev->dev_ops->allmulticast_enable != NULL) {
1718                 ret = eth_err(port_id,
1719                               (*dev->dev_ops->allmulticast_enable)(dev));
1720                 if (ret != 0 && ret != -ENOTSUP) {
1721                         RTE_ETHDEV_LOG(ERR,
1722                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1723                                 port_id, rte_strerror(-ret));
1724                         return ret;
1725                 }
1726         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1727                    *dev->dev_ops->allmulticast_disable != NULL) {
1728                 ret = eth_err(port_id,
1729                               (*dev->dev_ops->allmulticast_disable)(dev));
1730                 if (ret != 0 && ret != -ENOTSUP) {
1731                         RTE_ETHDEV_LOG(ERR,
1732                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1733                                 port_id, rte_strerror(-ret));
1734                         return ret;
1735                 }
1736         }
1737
1738         return 0;
1739 }
1740
1741 int
1742 rte_eth_dev_start(uint16_t port_id)
1743 {
1744         struct rte_eth_dev *dev;
1745         struct rte_eth_dev_info dev_info;
1746         int diag;
1747         int ret, ret_stop;
1748
1749         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1750         dev = &rte_eth_devices[port_id];
1751
1752         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1753
1754         if (dev->data->dev_started != 0) {
1755                 RTE_ETHDEV_LOG(INFO,
1756                         "Device with port_id=%"PRIu16" already started\n",
1757                         port_id);
1758                 return 0;
1759         }
1760
1761         ret = rte_eth_dev_info_get(port_id, &dev_info);
1762         if (ret != 0)
1763                 return ret;
1764
1765         /* Lets restore MAC now if device does not support live change */
1766         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1767                 eth_dev_mac_restore(dev, &dev_info);
1768
1769         diag = (*dev->dev_ops->dev_start)(dev);
1770         if (diag == 0)
1771                 dev->data->dev_started = 1;
1772         else
1773                 return eth_err(port_id, diag);
1774
1775         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1776         if (ret != 0) {
1777                 RTE_ETHDEV_LOG(ERR,
1778                         "Error during restoring configuration for device (port %u): %s\n",
1779                         port_id, rte_strerror(-ret));
1780                 ret_stop = rte_eth_dev_stop(port_id);
1781                 if (ret_stop != 0) {
1782                         RTE_ETHDEV_LOG(ERR,
1783                                 "Failed to stop device (port %u): %s\n",
1784                                 port_id, rte_strerror(-ret_stop));
1785                 }
1786
1787                 return ret;
1788         }
1789
1790         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1791                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1792                 (*dev->dev_ops->link_update)(dev, 0);
1793         }
1794
1795         rte_ethdev_trace_start(port_id);
1796         return 0;
1797 }
1798
1799 int
1800 rte_eth_dev_stop(uint16_t port_id)
1801 {
1802         struct rte_eth_dev *dev;
1803         int ret;
1804
1805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1806         dev = &rte_eth_devices[port_id];
1807
1808         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1809
1810         if (dev->data->dev_started == 0) {
1811                 RTE_ETHDEV_LOG(INFO,
1812                         "Device with port_id=%"PRIu16" already stopped\n",
1813                         port_id);
1814                 return 0;
1815         }
1816
1817         dev->data->dev_started = 0;
1818         ret = (*dev->dev_ops->dev_stop)(dev);
1819         rte_ethdev_trace_stop(port_id, ret);
1820
1821         return ret;
1822 }
1823
1824 int
1825 rte_eth_dev_set_link_up(uint16_t port_id)
1826 {
1827         struct rte_eth_dev *dev;
1828
1829         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1830         dev = &rte_eth_devices[port_id];
1831
1832         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1833         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1834 }
1835
1836 int
1837 rte_eth_dev_set_link_down(uint16_t port_id)
1838 {
1839         struct rte_eth_dev *dev;
1840
1841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1842         dev = &rte_eth_devices[port_id];
1843
1844         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1845         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1846 }
1847
1848 int
1849 rte_eth_dev_close(uint16_t port_id)
1850 {
1851         struct rte_eth_dev *dev;
1852         int firsterr, binerr;
1853         int *lasterr = &firsterr;
1854
1855         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1856         dev = &rte_eth_devices[port_id];
1857
1858         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1859         *lasterr = (*dev->dev_ops->dev_close)(dev);
1860         if (*lasterr != 0)
1861                 lasterr = &binerr;
1862
1863         rte_ethdev_trace_close(port_id);
1864         *lasterr = rte_eth_dev_release_port(dev);
1865
1866         return firsterr;
1867 }
1868
1869 int
1870 rte_eth_dev_reset(uint16_t port_id)
1871 {
1872         struct rte_eth_dev *dev;
1873         int ret;
1874
1875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1876         dev = &rte_eth_devices[port_id];
1877
1878         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1879
1880         ret = rte_eth_dev_stop(port_id);
1881         if (ret != 0) {
1882                 RTE_ETHDEV_LOG(ERR,
1883                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1884                         port_id, rte_strerror(-ret));
1885         }
1886         ret = dev->dev_ops->dev_reset(dev);
1887
1888         return eth_err(port_id, ret);
1889 }
1890
1891 int
1892 rte_eth_dev_is_removed(uint16_t port_id)
1893 {
1894         struct rte_eth_dev *dev;
1895         int ret;
1896
1897         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1898         dev = &rte_eth_devices[port_id];
1899
1900         if (dev->state == RTE_ETH_DEV_REMOVED)
1901                 return 1;
1902
1903         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1904
1905         ret = dev->dev_ops->is_removed(dev);
1906         if (ret != 0)
1907                 /* Device is physically removed. */
1908                 dev->state = RTE_ETH_DEV_REMOVED;
1909
1910         return ret;
1911 }
1912
1913 static int
1914 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1915                              uint16_t n_seg, uint32_t *mbp_buf_size,
1916                              const struct rte_eth_dev_info *dev_info)
1917 {
1918         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1919         struct rte_mempool *mp_first;
1920         uint32_t offset_mask;
1921         uint16_t seg_idx;
1922
1923         if (n_seg > seg_capa->max_nseg) {
1924                 RTE_ETHDEV_LOG(ERR,
1925                                "Requested Rx segments %u exceed supported %u\n",
1926                                n_seg, seg_capa->max_nseg);
1927                 return -EINVAL;
1928         }
1929         /*
1930          * Check the sizes and offsets against buffer sizes
1931          * for each segment specified in extended configuration.
1932          */
1933         mp_first = rx_seg[0].mp;
1934         offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1935         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1936                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1937                 uint32_t length = rx_seg[seg_idx].length;
1938                 uint32_t offset = rx_seg[seg_idx].offset;
1939
1940                 if (mpl == NULL) {
1941                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1942                         return -EINVAL;
1943                 }
1944                 if (seg_idx != 0 && mp_first != mpl &&
1945                     seg_capa->multi_pools == 0) {
1946                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1947                         return -ENOTSUP;
1948                 }
1949                 if (offset != 0) {
1950                         if (seg_capa->offset_allowed == 0) {
1951                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1952                                 return -ENOTSUP;
1953                         }
1954                         if (offset & offset_mask) {
1955                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1956                                                offset,
1957                                                seg_capa->offset_align_log2);
1958                                 return -EINVAL;
1959                         }
1960                 }
1961                 if (mpl->private_data_size <
1962                         sizeof(struct rte_pktmbuf_pool_private)) {
1963                         RTE_ETHDEV_LOG(ERR,
1964                                        "%s private_data_size %u < %u\n",
1965                                        mpl->name, mpl->private_data_size,
1966                                        (unsigned int)sizeof
1967                                         (struct rte_pktmbuf_pool_private));
1968                         return -ENOSPC;
1969                 }
1970                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1971                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1972                 length = length != 0 ? length : *mbp_buf_size;
1973                 if (*mbp_buf_size < length + offset) {
1974                         RTE_ETHDEV_LOG(ERR,
1975                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1976                                        mpl->name, *mbp_buf_size,
1977                                        length + offset, length, offset);
1978                         return -EINVAL;
1979                 }
1980         }
1981         return 0;
1982 }
1983
1984 int
1985 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1986                        uint16_t nb_rx_desc, unsigned int socket_id,
1987                        const struct rte_eth_rxconf *rx_conf,
1988                        struct rte_mempool *mp)
1989 {
1990         int ret;
1991         uint32_t mbp_buf_size;
1992         struct rte_eth_dev *dev;
1993         struct rte_eth_dev_info dev_info;
1994         struct rte_eth_rxconf local_conf;
1995         void **rxq;
1996
1997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1998         dev = &rte_eth_devices[port_id];
1999
2000         if (rx_queue_id >= dev->data->nb_rx_queues) {
2001                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2002                 return -EINVAL;
2003         }
2004
2005         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2006
2007         ret = rte_eth_dev_info_get(port_id, &dev_info);
2008         if (ret != 0)
2009                 return ret;
2010
2011         if (mp != NULL) {
2012                 /* Single pool configuration check. */
2013                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2014                         RTE_ETHDEV_LOG(ERR,
2015                                        "Ambiguous segment configuration\n");
2016                         return -EINVAL;
2017                 }
2018                 /*
2019                  * Check the size of the mbuf data buffer, this value
2020                  * must be provided in the private data of the memory pool.
2021                  * First check that the memory pool(s) has a valid private data.
2022                  */
2023                 if (mp->private_data_size <
2024                                 sizeof(struct rte_pktmbuf_pool_private)) {
2025                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2026                                 mp->name, mp->private_data_size,
2027                                 (unsigned int)
2028                                 sizeof(struct rte_pktmbuf_pool_private));
2029                         return -ENOSPC;
2030                 }
2031                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2032                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2033                                    RTE_PKTMBUF_HEADROOM) {
2034                         RTE_ETHDEV_LOG(ERR,
2035                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2036                                        mp->name, mbp_buf_size,
2037                                        RTE_PKTMBUF_HEADROOM +
2038                                        dev_info.min_rx_bufsize,
2039                                        RTE_PKTMBUF_HEADROOM,
2040                                        dev_info.min_rx_bufsize);
2041                         return -EINVAL;
2042                 }
2043         } else {
2044                 const struct rte_eth_rxseg_split *rx_seg;
2045                 uint16_t n_seg;
2046
2047                 /* Extended multi-segment configuration check. */
2048                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2049                         RTE_ETHDEV_LOG(ERR,
2050                                        "Memory pool is null and no extended configuration provided\n");
2051                         return -EINVAL;
2052                 }
2053
2054                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2055                 n_seg = rx_conf->rx_nseg;
2056
2057                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2058                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2059                                                            &mbp_buf_size,
2060                                                            &dev_info);
2061                         if (ret != 0)
2062                                 return ret;
2063                 } else {
2064                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2065                         return -EINVAL;
2066                 }
2067         }
2068
2069         /* Use default specified by driver, if nb_rx_desc is zero */
2070         if (nb_rx_desc == 0) {
2071                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2072                 /* If driver default is also zero, fall back on EAL default */
2073                 if (nb_rx_desc == 0)
2074                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2075         }
2076
2077         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2078                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2079                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2080
2081                 RTE_ETHDEV_LOG(ERR,
2082                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2083                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2084                         dev_info.rx_desc_lim.nb_min,
2085                         dev_info.rx_desc_lim.nb_align);
2086                 return -EINVAL;
2087         }
2088
2089         if (dev->data->dev_started &&
2090                 !(dev_info.dev_capa &
2091                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2092                 return -EBUSY;
2093
2094         if (dev->data->dev_started &&
2095                 (dev->data->rx_queue_state[rx_queue_id] !=
2096                         RTE_ETH_QUEUE_STATE_STOPPED))
2097                 return -EBUSY;
2098
2099         rxq = dev->data->rx_queues;
2100         if (rxq[rx_queue_id]) {
2101                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2102                                         -ENOTSUP);
2103                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2104                 rxq[rx_queue_id] = NULL;
2105         }
2106
2107         if (rx_conf == NULL)
2108                 rx_conf = &dev_info.default_rxconf;
2109
2110         local_conf = *rx_conf;
2111
2112         /*
2113          * If an offloading has already been enabled in
2114          * rte_eth_dev_configure(), it has been enabled on all queues,
2115          * so there is no need to enable it in this queue again.
2116          * The local_conf.offloads input to underlying PMD only carries
2117          * those offloadings which are only enabled on this queue and
2118          * not enabled on all queues.
2119          */
2120         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2121
2122         /*
2123          * New added offloadings for this queue are those not enabled in
2124          * rte_eth_dev_configure() and they must be per-queue type.
2125          * A pure per-port offloading can't be enabled on a queue while
2126          * disabled on another queue. A pure per-port offloading can't
2127          * be enabled for any queue as new added one if it hasn't been
2128          * enabled in rte_eth_dev_configure().
2129          */
2130         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2131              local_conf.offloads) {
2132                 RTE_ETHDEV_LOG(ERR,
2133                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2134                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2135                         port_id, rx_queue_id, local_conf.offloads,
2136                         dev_info.rx_queue_offload_capa,
2137                         __func__);
2138                 return -EINVAL;
2139         }
2140
2141         /*
2142          * If LRO is enabled, check that the maximum aggregated packet
2143          * size is supported by the configured device.
2144          */
2145         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2146                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2147                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
2148                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
2149                 int ret = eth_dev_check_lro_pkt_size(port_id,
2150                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2151                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
2152                                 dev_info.max_lro_pkt_size);
2153                 if (ret != 0)
2154                         return ret;
2155         }
2156
2157         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2158                                               socket_id, &local_conf, mp);
2159         if (!ret) {
2160                 if (!dev->data->min_rx_buf_size ||
2161                     dev->data->min_rx_buf_size > mbp_buf_size)
2162                         dev->data->min_rx_buf_size = mbp_buf_size;
2163         }
2164
2165         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2166                 rx_conf, ret);
2167         return eth_err(port_id, ret);
2168 }
2169
2170 int
2171 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2172                                uint16_t nb_rx_desc,
2173                                const struct rte_eth_hairpin_conf *conf)
2174 {
2175         int ret;
2176         struct rte_eth_dev *dev;
2177         struct rte_eth_hairpin_cap cap;
2178         void **rxq;
2179         int i;
2180         int count;
2181
2182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2183         dev = &rte_eth_devices[port_id];
2184
2185         if (rx_queue_id >= dev->data->nb_rx_queues) {
2186                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2187                 return -EINVAL;
2188         }
2189
2190         if (conf == NULL) {
2191                 RTE_ETHDEV_LOG(ERR,
2192                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2193                         port_id);
2194                 return -EINVAL;
2195         }
2196
2197         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2198         if (ret != 0)
2199                 return ret;
2200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2201                                 -ENOTSUP);
2202         /* if nb_rx_desc is zero use max number of desc from the driver. */
2203         if (nb_rx_desc == 0)
2204                 nb_rx_desc = cap.max_nb_desc;
2205         if (nb_rx_desc > cap.max_nb_desc) {
2206                 RTE_ETHDEV_LOG(ERR,
2207                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2208                         nb_rx_desc, cap.max_nb_desc);
2209                 return -EINVAL;
2210         }
2211         if (conf->peer_count > cap.max_rx_2_tx) {
2212                 RTE_ETHDEV_LOG(ERR,
2213                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2214                         conf->peer_count, cap.max_rx_2_tx);
2215                 return -EINVAL;
2216         }
2217         if (conf->peer_count == 0) {
2218                 RTE_ETHDEV_LOG(ERR,
2219                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2220                         conf->peer_count);
2221                 return -EINVAL;
2222         }
2223         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2224              cap.max_nb_queues != UINT16_MAX; i++) {
2225                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2226                         count++;
2227         }
2228         if (count > cap.max_nb_queues) {
2229                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2230                 cap.max_nb_queues);
2231                 return -EINVAL;
2232         }
2233         if (dev->data->dev_started)
2234                 return -EBUSY;
2235         rxq = dev->data->rx_queues;
2236         if (rxq[rx_queue_id] != NULL) {
2237                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2238                                         -ENOTSUP);
2239                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2240                 rxq[rx_queue_id] = NULL;
2241         }
2242         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2243                                                       nb_rx_desc, conf);
2244         if (ret == 0)
2245                 dev->data->rx_queue_state[rx_queue_id] =
2246                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2247         return eth_err(port_id, ret);
2248 }
2249
2250 int
2251 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2252                        uint16_t nb_tx_desc, unsigned int socket_id,
2253                        const struct rte_eth_txconf *tx_conf)
2254 {
2255         struct rte_eth_dev *dev;
2256         struct rte_eth_dev_info dev_info;
2257         struct rte_eth_txconf local_conf;
2258         void **txq;
2259         int ret;
2260
2261         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2262         dev = &rte_eth_devices[port_id];
2263
2264         if (tx_queue_id >= dev->data->nb_tx_queues) {
2265                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2266                 return -EINVAL;
2267         }
2268
2269         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2270
2271         ret = rte_eth_dev_info_get(port_id, &dev_info);
2272         if (ret != 0)
2273                 return ret;
2274
2275         /* Use default specified by driver, if nb_tx_desc is zero */
2276         if (nb_tx_desc == 0) {
2277                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2278                 /* If driver default is zero, fall back on EAL default */
2279                 if (nb_tx_desc == 0)
2280                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2281         }
2282         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2283             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2284             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2285                 RTE_ETHDEV_LOG(ERR,
2286                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2287                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2288                         dev_info.tx_desc_lim.nb_min,
2289                         dev_info.tx_desc_lim.nb_align);
2290                 return -EINVAL;
2291         }
2292
2293         if (dev->data->dev_started &&
2294                 !(dev_info.dev_capa &
2295                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2296                 return -EBUSY;
2297
2298         if (dev->data->dev_started &&
2299                 (dev->data->tx_queue_state[tx_queue_id] !=
2300                         RTE_ETH_QUEUE_STATE_STOPPED))
2301                 return -EBUSY;
2302
2303         txq = dev->data->tx_queues;
2304         if (txq[tx_queue_id]) {
2305                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2306                                         -ENOTSUP);
2307                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2308                 txq[tx_queue_id] = NULL;
2309         }
2310
2311         if (tx_conf == NULL)
2312                 tx_conf = &dev_info.default_txconf;
2313
2314         local_conf = *tx_conf;
2315
2316         /*
2317          * If an offloading has already been enabled in
2318          * rte_eth_dev_configure(), it has been enabled on all queues,
2319          * so there is no need to enable it in this queue again.
2320          * The local_conf.offloads input to underlying PMD only carries
2321          * those offloadings which are only enabled on this queue and
2322          * not enabled on all queues.
2323          */
2324         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2325
2326         /*
2327          * New added offloadings for this queue are those not enabled in
2328          * rte_eth_dev_configure() and they must be per-queue type.
2329          * A pure per-port offloading can't be enabled on a queue while
2330          * disabled on another queue. A pure per-port offloading can't
2331          * be enabled for any queue as new added one if it hasn't been
2332          * enabled in rte_eth_dev_configure().
2333          */
2334         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2335              local_conf.offloads) {
2336                 RTE_ETHDEV_LOG(ERR,
2337                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2338                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2339                         port_id, tx_queue_id, local_conf.offloads,
2340                         dev_info.tx_queue_offload_capa,
2341                         __func__);
2342                 return -EINVAL;
2343         }
2344
2345         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2346         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2347                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2348 }
2349
2350 int
2351 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2352                                uint16_t nb_tx_desc,
2353                                const struct rte_eth_hairpin_conf *conf)
2354 {
2355         struct rte_eth_dev *dev;
2356         struct rte_eth_hairpin_cap cap;
2357         void **txq;
2358         int i;
2359         int count;
2360         int ret;
2361
2362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2363         dev = &rte_eth_devices[port_id];
2364
2365         if (tx_queue_id >= dev->data->nb_tx_queues) {
2366                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2367                 return -EINVAL;
2368         }
2369
2370         if (conf == NULL) {
2371                 RTE_ETHDEV_LOG(ERR,
2372                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2373                         port_id);
2374                 return -EINVAL;
2375         }
2376
2377         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2378         if (ret != 0)
2379                 return ret;
2380         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2381                                 -ENOTSUP);
2382         /* if nb_rx_desc is zero use max number of desc from the driver. */
2383         if (nb_tx_desc == 0)
2384                 nb_tx_desc = cap.max_nb_desc;
2385         if (nb_tx_desc > cap.max_nb_desc) {
2386                 RTE_ETHDEV_LOG(ERR,
2387                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2388                         nb_tx_desc, cap.max_nb_desc);
2389                 return -EINVAL;
2390         }
2391         if (conf->peer_count > cap.max_tx_2_rx) {
2392                 RTE_ETHDEV_LOG(ERR,
2393                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2394                         conf->peer_count, cap.max_tx_2_rx);
2395                 return -EINVAL;
2396         }
2397         if (conf->peer_count == 0) {
2398                 RTE_ETHDEV_LOG(ERR,
2399                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2400                         conf->peer_count);
2401                 return -EINVAL;
2402         }
2403         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2404              cap.max_nb_queues != UINT16_MAX; i++) {
2405                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2406                         count++;
2407         }
2408         if (count > cap.max_nb_queues) {
2409                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2410                 cap.max_nb_queues);
2411                 return -EINVAL;
2412         }
2413         if (dev->data->dev_started)
2414                 return -EBUSY;
2415         txq = dev->data->tx_queues;
2416         if (txq[tx_queue_id] != NULL) {
2417                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2418                                         -ENOTSUP);
2419                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2420                 txq[tx_queue_id] = NULL;
2421         }
2422         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2423                 (dev, tx_queue_id, nb_tx_desc, conf);
2424         if (ret == 0)
2425                 dev->data->tx_queue_state[tx_queue_id] =
2426                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2427         return eth_err(port_id, ret);
2428 }
2429
2430 int
2431 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2432 {
2433         struct rte_eth_dev *dev;
2434         int ret;
2435
2436         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2437         dev = &rte_eth_devices[tx_port];
2438
2439         if (dev->data->dev_started == 0) {
2440                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2441                 return -EBUSY;
2442         }
2443
2444         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2445         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2446         if (ret != 0)
2447                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2448                                " to Rx %d (%d - all ports)\n",
2449                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2450
2451         return ret;
2452 }
2453
2454 int
2455 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2456 {
2457         struct rte_eth_dev *dev;
2458         int ret;
2459
2460         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2461         dev = &rte_eth_devices[tx_port];
2462
2463         if (dev->data->dev_started == 0) {
2464                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2465                 return -EBUSY;
2466         }
2467
2468         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2469         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2470         if (ret != 0)
2471                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2472                                " from Rx %d (%d - all ports)\n",
2473                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2474
2475         return ret;
2476 }
2477
2478 int
2479 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2480                                size_t len, uint32_t direction)
2481 {
2482         struct rte_eth_dev *dev;
2483         int ret;
2484
2485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2486         dev = &rte_eth_devices[port_id];
2487
2488         if (peer_ports == NULL) {
2489                 RTE_ETHDEV_LOG(ERR,
2490                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2491                         port_id);
2492                 return -EINVAL;
2493         }
2494
2495         if (len == 0) {
2496                 RTE_ETHDEV_LOG(ERR,
2497                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2498                         port_id);
2499                 return -EINVAL;
2500         }
2501
2502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2503                                 -ENOTSUP);
2504
2505         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2506                                                       len, direction);
2507         if (ret < 0)
2508                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2509                                port_id, direction ? "Rx" : "Tx");
2510
2511         return ret;
2512 }
2513
2514 void
2515 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2516                 void *userdata __rte_unused)
2517 {
2518         rte_pktmbuf_free_bulk(pkts, unsent);
2519 }
2520
2521 void
2522 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2523                 void *userdata)
2524 {
2525         uint64_t *count = userdata;
2526
2527         rte_pktmbuf_free_bulk(pkts, unsent);
2528         *count += unsent;
2529 }
2530
2531 int
2532 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2533                 buffer_tx_error_fn cbfn, void *userdata)
2534 {
2535         if (buffer == NULL) {
2536                 RTE_ETHDEV_LOG(ERR,
2537                         "Cannot set Tx buffer error callback to NULL buffer\n");
2538                 return -EINVAL;
2539         }
2540
2541         buffer->error_callback = cbfn;
2542         buffer->error_userdata = userdata;
2543         return 0;
2544 }
2545
2546 int
2547 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2548 {
2549         int ret = 0;
2550
2551         if (buffer == NULL) {
2552                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2553                 return -EINVAL;
2554         }
2555
2556         buffer->size = size;
2557         if (buffer->error_callback == NULL) {
2558                 ret = rte_eth_tx_buffer_set_err_callback(
2559                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2560         }
2561
2562         return ret;
2563 }
2564
2565 int
2566 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2567 {
2568         struct rte_eth_dev *dev;
2569         int ret;
2570
2571         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2572         dev = &rte_eth_devices[port_id];
2573
2574         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2575
2576         /* Call driver to free pending mbufs. */
2577         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2578                                                free_cnt);
2579         return eth_err(port_id, ret);
2580 }
2581
2582 int
2583 rte_eth_promiscuous_enable(uint16_t port_id)
2584 {
2585         struct rte_eth_dev *dev;
2586         int diag = 0;
2587
2588         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2589         dev = &rte_eth_devices[port_id];
2590
2591         if (dev->data->promiscuous == 1)
2592                 return 0;
2593
2594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2595
2596         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2597         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2598
2599         return eth_err(port_id, diag);
2600 }
2601
2602 int
2603 rte_eth_promiscuous_disable(uint16_t port_id)
2604 {
2605         struct rte_eth_dev *dev;
2606         int diag = 0;
2607
2608         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2609         dev = &rte_eth_devices[port_id];
2610
2611         if (dev->data->promiscuous == 0)
2612                 return 0;
2613
2614         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2615
2616         dev->data->promiscuous = 0;
2617         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2618         if (diag != 0)
2619                 dev->data->promiscuous = 1;
2620
2621         return eth_err(port_id, diag);
2622 }
2623
2624 int
2625 rte_eth_promiscuous_get(uint16_t port_id)
2626 {
2627         struct rte_eth_dev *dev;
2628
2629         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2630         dev = &rte_eth_devices[port_id];
2631
2632         return dev->data->promiscuous;
2633 }
2634
2635 int
2636 rte_eth_allmulticast_enable(uint16_t port_id)
2637 {
2638         struct rte_eth_dev *dev;
2639         int diag;
2640
2641         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2642         dev = &rte_eth_devices[port_id];
2643
2644         if (dev->data->all_multicast == 1)
2645                 return 0;
2646
2647         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2648         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2649         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2650
2651         return eth_err(port_id, diag);
2652 }
2653
2654 int
2655 rte_eth_allmulticast_disable(uint16_t port_id)
2656 {
2657         struct rte_eth_dev *dev;
2658         int diag;
2659
2660         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2661         dev = &rte_eth_devices[port_id];
2662
2663         if (dev->data->all_multicast == 0)
2664                 return 0;
2665
2666         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2667         dev->data->all_multicast = 0;
2668         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2669         if (diag != 0)
2670                 dev->data->all_multicast = 1;
2671
2672         return eth_err(port_id, diag);
2673 }
2674
2675 int
2676 rte_eth_allmulticast_get(uint16_t port_id)
2677 {
2678         struct rte_eth_dev *dev;
2679
2680         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2681         dev = &rte_eth_devices[port_id];
2682
2683         return dev->data->all_multicast;
2684 }
2685
2686 int
2687 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2688 {
2689         struct rte_eth_dev *dev;
2690
2691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2692         dev = &rte_eth_devices[port_id];
2693
2694         if (eth_link == NULL) {
2695                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2696                         port_id);
2697                 return -EINVAL;
2698         }
2699
2700         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2701                 rte_eth_linkstatus_get(dev, eth_link);
2702         else {
2703                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2704                 (*dev->dev_ops->link_update)(dev, 1);
2705                 *eth_link = dev->data->dev_link;
2706         }
2707
2708         return 0;
2709 }
2710
2711 int
2712 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2713 {
2714         struct rte_eth_dev *dev;
2715
2716         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2717         dev = &rte_eth_devices[port_id];
2718
2719         if (eth_link == NULL) {
2720                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2721                         port_id);
2722                 return -EINVAL;
2723         }
2724
2725         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2726                 rte_eth_linkstatus_get(dev, eth_link);
2727         else {
2728                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2729                 (*dev->dev_ops->link_update)(dev, 0);
2730                 *eth_link = dev->data->dev_link;
2731         }
2732
2733         return 0;
2734 }
2735
2736 const char *
2737 rte_eth_link_speed_to_str(uint32_t link_speed)
2738 {
2739         switch (link_speed) {
2740         case ETH_SPEED_NUM_NONE: return "None";
2741         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2742         case ETH_SPEED_NUM_100M: return "100 Mbps";
2743         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2744         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2745         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2746         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2747         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2748         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2749         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2750         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2751         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2752         case ETH_SPEED_NUM_100G: return "100 Gbps";
2753         case ETH_SPEED_NUM_200G: return "200 Gbps";
2754         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2755         default: return "Invalid";
2756         }
2757 }
2758
2759 int
2760 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2761 {
2762         if (str == NULL) {
2763                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2764                 return -EINVAL;
2765         }
2766
2767         if (len == 0) {
2768                 RTE_ETHDEV_LOG(ERR,
2769                         "Cannot convert link to string with zero size\n");
2770                 return -EINVAL;
2771         }
2772
2773         if (eth_link == NULL) {
2774                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2775                 return -EINVAL;
2776         }
2777
2778         if (eth_link->link_status == ETH_LINK_DOWN)
2779                 return snprintf(str, len, "Link down");
2780         else
2781                 return snprintf(str, len, "Link up at %s %s %s",
2782                         rte_eth_link_speed_to_str(eth_link->link_speed),
2783                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2784                         "FDX" : "HDX",
2785                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2786                         "Autoneg" : "Fixed");
2787 }
2788
2789 int
2790 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2791 {
2792         struct rte_eth_dev *dev;
2793
2794         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2795         dev = &rte_eth_devices[port_id];
2796
2797         if (stats == NULL) {
2798                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2799                         port_id);
2800                 return -EINVAL;
2801         }
2802
2803         memset(stats, 0, sizeof(*stats));
2804
2805         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2806         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2807         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2808 }
2809
2810 int
2811 rte_eth_stats_reset(uint16_t port_id)
2812 {
2813         struct rte_eth_dev *dev;
2814         int ret;
2815
2816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2817         dev = &rte_eth_devices[port_id];
2818
2819         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2820         ret = (*dev->dev_ops->stats_reset)(dev);
2821         if (ret != 0)
2822                 return eth_err(port_id, ret);
2823
2824         dev->data->rx_mbuf_alloc_failed = 0;
2825
2826         return 0;
2827 }
2828
2829 static inline int
2830 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2831 {
2832         uint16_t nb_rxqs, nb_txqs;
2833         int count;
2834
2835         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2836         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2837
2838         count = RTE_NB_STATS;
2839         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2840                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2841                 count += nb_txqs * RTE_NB_TXQ_STATS;
2842         }
2843
2844         return count;
2845 }
2846
2847 static int
2848 eth_dev_get_xstats_count(uint16_t port_id)
2849 {
2850         struct rte_eth_dev *dev;
2851         int count;
2852
2853         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2854         dev = &rte_eth_devices[port_id];
2855         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2856                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2857                                 NULL, 0);
2858                 if (count < 0)
2859                         return eth_err(port_id, count);
2860         }
2861         if (dev->dev_ops->xstats_get_names != NULL) {
2862                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2863                 if (count < 0)
2864                         return eth_err(port_id, count);
2865         } else
2866                 count = 0;
2867
2868
2869         count += eth_dev_get_xstats_basic_count(dev);
2870
2871         return count;
2872 }
2873
2874 int
2875 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2876                 uint64_t *id)
2877 {
2878         int cnt_xstats, idx_xstat;
2879
2880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2881
2882         if (xstat_name == NULL) {
2883                 RTE_ETHDEV_LOG(ERR,
2884                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2885                         port_id);
2886                 return -ENOMEM;
2887         }
2888
2889         if (id == NULL) {
2890                 RTE_ETHDEV_LOG(ERR,
2891                         "Cannot get ethdev port %u xstats ID to NULL\n",
2892                         port_id);
2893                 return -ENOMEM;
2894         }
2895
2896         /* Get count */
2897         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2898         if (cnt_xstats  < 0) {
2899                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2900                 return -ENODEV;
2901         }
2902
2903         /* Get id-name lookup table */
2904         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2905
2906         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2907                         port_id, xstats_names, cnt_xstats, NULL)) {
2908                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2909                 return -1;
2910         }
2911
2912         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2913                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2914                         *id = idx_xstat;
2915                         return 0;
2916                 };
2917         }
2918
2919         return -EINVAL;
2920 }
2921
2922 /* retrieve basic stats names */
2923 static int
2924 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2925         struct rte_eth_xstat_name *xstats_names)
2926 {
2927         int cnt_used_entries = 0;
2928         uint32_t idx, id_queue;
2929         uint16_t num_q;
2930
2931         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2932                 strlcpy(xstats_names[cnt_used_entries].name,
2933                         eth_dev_stats_strings[idx].name,
2934                         sizeof(xstats_names[0].name));
2935                 cnt_used_entries++;
2936         }
2937
2938         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2939                 return cnt_used_entries;
2940
2941         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2942         for (id_queue = 0; id_queue < num_q; id_queue++) {
2943                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2944                         snprintf(xstats_names[cnt_used_entries].name,
2945                                 sizeof(xstats_names[0].name),
2946                                 "rx_q%u_%s",
2947                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2948                         cnt_used_entries++;
2949                 }
2950
2951         }
2952         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2953         for (id_queue = 0; id_queue < num_q; id_queue++) {
2954                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2955                         snprintf(xstats_names[cnt_used_entries].name,
2956                                 sizeof(xstats_names[0].name),
2957                                 "tx_q%u_%s",
2958                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2959                         cnt_used_entries++;
2960                 }
2961         }
2962         return cnt_used_entries;
2963 }
2964
2965 /* retrieve ethdev extended statistics names */
2966 int
2967 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2968         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2969         uint64_t *ids)
2970 {
2971         struct rte_eth_xstat_name *xstats_names_copy;
2972         unsigned int no_basic_stat_requested = 1;
2973         unsigned int no_ext_stat_requested = 1;
2974         unsigned int expected_entries;
2975         unsigned int basic_count;
2976         struct rte_eth_dev *dev;
2977         unsigned int i;
2978         int ret;
2979
2980         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2981         dev = &rte_eth_devices[port_id];
2982
2983         basic_count = eth_dev_get_xstats_basic_count(dev);
2984         ret = eth_dev_get_xstats_count(port_id);
2985         if (ret < 0)
2986                 return ret;
2987         expected_entries = (unsigned int)ret;
2988
2989         /* Return max number of stats if no ids given */
2990         if (!ids) {
2991                 if (!xstats_names)
2992                         return expected_entries;
2993                 else if (xstats_names && size < expected_entries)
2994                         return expected_entries;
2995         }
2996
2997         if (ids && !xstats_names)
2998                 return -EINVAL;
2999
3000         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
3001                 uint64_t ids_copy[size];
3002
3003                 for (i = 0; i < size; i++) {
3004                         if (ids[i] < basic_count) {
3005                                 no_basic_stat_requested = 0;
3006                                 break;
3007                         }
3008
3009                         /*
3010                          * Convert ids to xstats ids that PMD knows.
3011                          * ids known by user are basic + extended stats.
3012                          */
3013                         ids_copy[i] = ids[i] - basic_count;
3014                 }
3015
3016                 if (no_basic_stat_requested)
3017                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
3018                                         xstats_names, ids_copy, size);
3019         }
3020
3021         /* Retrieve all stats */
3022         if (!ids) {
3023                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3024                                 expected_entries);
3025                 if (num_stats < 0 || num_stats > (int)expected_entries)
3026                         return num_stats;
3027                 else
3028                         return expected_entries;
3029         }
3030
3031         xstats_names_copy = calloc(expected_entries,
3032                 sizeof(struct rte_eth_xstat_name));
3033
3034         if (!xstats_names_copy) {
3035                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3036                 return -ENOMEM;
3037         }
3038
3039         if (ids) {
3040                 for (i = 0; i < size; i++) {
3041                         if (ids[i] >= basic_count) {
3042                                 no_ext_stat_requested = 0;
3043                                 break;
3044                         }
3045                 }
3046         }
3047
3048         /* Fill xstats_names_copy structure */
3049         if (ids && no_ext_stat_requested) {
3050                 eth_basic_stats_get_names(dev, xstats_names_copy);
3051         } else {
3052                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3053                         expected_entries);
3054                 if (ret < 0) {
3055                         free(xstats_names_copy);
3056                         return ret;
3057                 }
3058         }
3059
3060         /* Filter stats */
3061         for (i = 0; i < size; i++) {
3062                 if (ids[i] >= expected_entries) {
3063                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3064                         free(xstats_names_copy);
3065                         return -1;
3066                 }
3067                 xstats_names[i] = xstats_names_copy[ids[i]];
3068         }
3069
3070         free(xstats_names_copy);
3071         return size;
3072 }
3073
3074 int
3075 rte_eth_xstats_get_names(uint16_t port_id,
3076         struct rte_eth_xstat_name *xstats_names,
3077         unsigned int size)
3078 {
3079         struct rte_eth_dev *dev;
3080         int cnt_used_entries;
3081         int cnt_expected_entries;
3082         int cnt_driver_entries;
3083
3084         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3085         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3086                         (int)size < cnt_expected_entries)
3087                 return cnt_expected_entries;
3088
3089         /* port_id checked in eth_dev_get_xstats_count() */
3090         dev = &rte_eth_devices[port_id];
3091
3092         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3093
3094         if (dev->dev_ops->xstats_get_names != NULL) {
3095                 /* If there are any driver-specific xstats, append them
3096                  * to end of list.
3097                  */
3098                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3099                         dev,
3100                         xstats_names + cnt_used_entries,
3101                         size - cnt_used_entries);
3102                 if (cnt_driver_entries < 0)
3103                         return eth_err(port_id, cnt_driver_entries);
3104                 cnt_used_entries += cnt_driver_entries;
3105         }
3106
3107         return cnt_used_entries;
3108 }
3109
3110
3111 static int
3112 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3113 {
3114         struct rte_eth_dev *dev;
3115         struct rte_eth_stats eth_stats;
3116         unsigned int count = 0, i, q;
3117         uint64_t val, *stats_ptr;
3118         uint16_t nb_rxqs, nb_txqs;
3119         int ret;
3120
3121         ret = rte_eth_stats_get(port_id, &eth_stats);
3122         if (ret < 0)
3123                 return ret;
3124
3125         dev = &rte_eth_devices[port_id];
3126
3127         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3128         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3129
3130         /* global stats */
3131         for (i = 0; i < RTE_NB_STATS; i++) {
3132                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3133                                         eth_dev_stats_strings[i].offset);
3134                 val = *stats_ptr;
3135                 xstats[count++].value = val;
3136         }
3137
3138         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3139                 return count;
3140
3141         /* per-rxq stats */
3142         for (q = 0; q < nb_rxqs; q++) {
3143                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3144                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3145                                         eth_dev_rxq_stats_strings[i].offset +
3146                                         q * sizeof(uint64_t));
3147                         val = *stats_ptr;
3148                         xstats[count++].value = val;
3149                 }
3150         }
3151
3152         /* per-txq stats */
3153         for (q = 0; q < nb_txqs; q++) {
3154                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3155                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3156                                         eth_dev_txq_stats_strings[i].offset +
3157                                         q * sizeof(uint64_t));
3158                         val = *stats_ptr;
3159                         xstats[count++].value = val;
3160                 }
3161         }
3162         return count;
3163 }
3164
3165 /* retrieve ethdev extended statistics */
3166 int
3167 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3168                          uint64_t *values, unsigned int size)
3169 {
3170         unsigned int no_basic_stat_requested = 1;
3171         unsigned int no_ext_stat_requested = 1;
3172         unsigned int num_xstats_filled;
3173         unsigned int basic_count;
3174         uint16_t expected_entries;
3175         struct rte_eth_dev *dev;
3176         unsigned int i;
3177         int ret;
3178
3179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3180         dev = &rte_eth_devices[port_id];
3181
3182         ret = eth_dev_get_xstats_count(port_id);
3183         if (ret < 0)
3184                 return ret;
3185         expected_entries = (uint16_t)ret;
3186         struct rte_eth_xstat xstats[expected_entries];
3187         basic_count = eth_dev_get_xstats_basic_count(dev);
3188
3189         /* Return max number of stats if no ids given */
3190         if (!ids) {
3191                 if (!values)
3192                         return expected_entries;
3193                 else if (values && size < expected_entries)
3194                         return expected_entries;
3195         }
3196
3197         if (ids && !values)
3198                 return -EINVAL;
3199
3200         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3201                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3202                 uint64_t ids_copy[size];
3203
3204                 for (i = 0; i < size; i++) {
3205                         if (ids[i] < basic_count) {
3206                                 no_basic_stat_requested = 0;
3207                                 break;
3208                         }
3209
3210                         /*
3211                          * Convert ids to xstats ids that PMD knows.
3212                          * ids known by user are basic + extended stats.
3213                          */
3214                         ids_copy[i] = ids[i] - basic_count;
3215                 }
3216
3217                 if (no_basic_stat_requested)
3218                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3219                                         values, size);
3220         }
3221
3222         if (ids) {
3223                 for (i = 0; i < size; i++) {
3224                         if (ids[i] >= basic_count) {
3225                                 no_ext_stat_requested = 0;
3226                                 break;
3227                         }
3228                 }
3229         }
3230
3231         /* Fill the xstats structure */
3232         if (ids && no_ext_stat_requested)
3233                 ret = eth_basic_stats_get(port_id, xstats);
3234         else
3235                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3236
3237         if (ret < 0)
3238                 return ret;
3239         num_xstats_filled = (unsigned int)ret;
3240
3241         /* Return all stats */
3242         if (!ids) {
3243                 for (i = 0; i < num_xstats_filled; i++)
3244                         values[i] = xstats[i].value;
3245                 return expected_entries;
3246         }
3247
3248         /* Filter stats */
3249         for (i = 0; i < size; i++) {
3250                 if (ids[i] >= expected_entries) {
3251                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3252                         return -1;
3253                 }
3254                 values[i] = xstats[ids[i]].value;
3255         }
3256         return size;
3257 }
3258
3259 int
3260 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3261         unsigned int n)
3262 {
3263         struct rte_eth_dev *dev;
3264         unsigned int count = 0, i;
3265         signed int xcount = 0;
3266         uint16_t nb_rxqs, nb_txqs;
3267         int ret;
3268
3269         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3270         dev = &rte_eth_devices[port_id];
3271
3272         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3273         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3274
3275         /* Return generic statistics */
3276         count = RTE_NB_STATS;
3277         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3278                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3279
3280         /* implemented by the driver */
3281         if (dev->dev_ops->xstats_get != NULL) {
3282                 /* Retrieve the xstats from the driver at the end of the
3283                  * xstats struct.
3284                  */
3285                 xcount = (*dev->dev_ops->xstats_get)(dev,
3286                                      xstats ? xstats + count : NULL,
3287                                      (n > count) ? n - count : 0);
3288
3289                 if (xcount < 0)
3290                         return eth_err(port_id, xcount);
3291         }
3292
3293         if (n < count + xcount || xstats == NULL)
3294                 return count + xcount;
3295
3296         /* now fill the xstats structure */
3297         ret = eth_basic_stats_get(port_id, xstats);
3298         if (ret < 0)
3299                 return ret;
3300         count = ret;
3301
3302         for (i = 0; i < count; i++)
3303                 xstats[i].id = i;
3304         /* add an offset to driver-specific stats */
3305         for ( ; i < count + xcount; i++)
3306                 xstats[i].id += count;
3307
3308         return count + xcount;
3309 }
3310
3311 /* reset ethdev extended statistics */
3312 int
3313 rte_eth_xstats_reset(uint16_t port_id)
3314 {
3315         struct rte_eth_dev *dev;
3316
3317         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3318         dev = &rte_eth_devices[port_id];
3319
3320         /* implemented by the driver */
3321         if (dev->dev_ops->xstats_reset != NULL)
3322                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3323
3324         /* fallback to default */
3325         return rte_eth_stats_reset(port_id);
3326 }
3327
3328 static int
3329 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3330                 uint8_t stat_idx, uint8_t is_rx)
3331 {
3332         struct rte_eth_dev *dev;
3333
3334         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3335         dev = &rte_eth_devices[port_id];
3336
3337         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3338                 return -EINVAL;
3339
3340         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3341                 return -EINVAL;
3342
3343         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3344                 return -EINVAL;
3345
3346         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3347         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3348 }
3349
3350 int
3351 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3352                 uint8_t stat_idx)
3353 {
3354         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3355                                                 tx_queue_id,
3356                                                 stat_idx, STAT_QMAP_TX));
3357 }
3358
3359 int
3360 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3361                 uint8_t stat_idx)
3362 {
3363         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3364                                                 rx_queue_id,
3365                                                 stat_idx, STAT_QMAP_RX));
3366 }
3367
3368 int
3369 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3370 {
3371         struct rte_eth_dev *dev;
3372
3373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3374         dev = &rte_eth_devices[port_id];
3375
3376         if (fw_version == NULL && fw_size > 0) {
3377                 RTE_ETHDEV_LOG(ERR,
3378                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3379                         port_id);
3380                 return -EINVAL;
3381         }
3382
3383         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3384         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3385                                                         fw_version, fw_size));
3386 }
3387
3388 int
3389 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3390 {
3391         struct rte_eth_dev *dev;
3392         const struct rte_eth_desc_lim lim = {
3393                 .nb_max = UINT16_MAX,
3394                 .nb_min = 0,
3395                 .nb_align = 1,
3396                 .nb_seg_max = UINT16_MAX,
3397                 .nb_mtu_seg_max = UINT16_MAX,
3398         };
3399         int diag;
3400
3401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3402         dev = &rte_eth_devices[port_id];
3403
3404         if (dev_info == NULL) {
3405                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3406                         port_id);
3407                 return -EINVAL;
3408         }
3409
3410         /*
3411          * Init dev_info before port_id check since caller does not have
3412          * return status and does not know if get is successful or not.
3413          */
3414         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3415         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3416
3417         dev_info->rx_desc_lim = lim;
3418         dev_info->tx_desc_lim = lim;
3419         dev_info->device = dev->device;
3420         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3421         dev_info->max_mtu = UINT16_MAX;
3422
3423         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3424         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3425         if (diag != 0) {
3426                 /* Cleanup already filled in device information */
3427                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3428                 return eth_err(port_id, diag);
3429         }
3430
3431         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3432         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3433                         RTE_MAX_QUEUES_PER_PORT);
3434         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3435                         RTE_MAX_QUEUES_PER_PORT);
3436
3437         dev_info->driver_name = dev->device->driver->name;
3438         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3439         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3440
3441         dev_info->dev_flags = &dev->data->dev_flags;
3442
3443         return 0;
3444 }
3445
3446 int
3447 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3448                                  uint32_t *ptypes, int num)
3449 {
3450         int i, j;
3451         struct rte_eth_dev *dev;
3452         const uint32_t *all_ptypes;
3453
3454         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3455         dev = &rte_eth_devices[port_id];
3456
3457         if (ptypes == NULL && num > 0) {
3458                 RTE_ETHDEV_LOG(ERR,
3459                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3460                         port_id);
3461                 return -EINVAL;
3462         }
3463
3464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3465         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3466
3467         if (!all_ptypes)
3468                 return 0;
3469
3470         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3471                 if (all_ptypes[i] & ptype_mask) {
3472                         if (j < num)
3473                                 ptypes[j] = all_ptypes[i];
3474                         j++;
3475                 }
3476
3477         return j;
3478 }
3479
3480 int
3481 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3482                                  uint32_t *set_ptypes, unsigned int num)
3483 {
3484         const uint32_t valid_ptype_masks[] = {
3485                 RTE_PTYPE_L2_MASK,
3486                 RTE_PTYPE_L3_MASK,
3487                 RTE_PTYPE_L4_MASK,
3488                 RTE_PTYPE_TUNNEL_MASK,
3489                 RTE_PTYPE_INNER_L2_MASK,
3490                 RTE_PTYPE_INNER_L3_MASK,
3491                 RTE_PTYPE_INNER_L4_MASK,
3492         };
3493         const uint32_t *all_ptypes;
3494         struct rte_eth_dev *dev;
3495         uint32_t unused_mask;
3496         unsigned int i, j;
3497         int ret;
3498
3499         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3500         dev = &rte_eth_devices[port_id];
3501
3502         if (num > 0 && set_ptypes == NULL) {
3503                 RTE_ETHDEV_LOG(ERR,
3504                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3505                         port_id);
3506                 return -EINVAL;
3507         }
3508
3509         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3510                         *dev->dev_ops->dev_ptypes_set == NULL) {
3511                 ret = 0;
3512                 goto ptype_unknown;
3513         }
3514
3515         if (ptype_mask == 0) {
3516                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3517                                 ptype_mask);
3518                 goto ptype_unknown;
3519         }
3520
3521         unused_mask = ptype_mask;
3522         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3523                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3524                 if (mask && mask != valid_ptype_masks[i]) {
3525                         ret = -EINVAL;
3526                         goto ptype_unknown;
3527                 }
3528                 unused_mask &= ~valid_ptype_masks[i];
3529         }
3530
3531         if (unused_mask) {
3532                 ret = -EINVAL;
3533                 goto ptype_unknown;
3534         }
3535
3536         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3537         if (all_ptypes == NULL) {
3538                 ret = 0;
3539                 goto ptype_unknown;
3540         }
3541
3542         /*
3543          * Accommodate as many set_ptypes as possible. If the supplied
3544          * set_ptypes array is insufficient fill it partially.
3545          */
3546         for (i = 0, j = 0; set_ptypes != NULL &&
3547                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3548                 if (ptype_mask & all_ptypes[i]) {
3549                         if (j < num - 1) {
3550                                 set_ptypes[j] = all_ptypes[i];
3551                                 j++;
3552                                 continue;
3553                         }
3554                         break;
3555                 }
3556         }
3557
3558         if (set_ptypes != NULL && j < num)
3559                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3560
3561         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3562
3563 ptype_unknown:
3564         if (num > 0)
3565                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3566
3567         return ret;
3568 }
3569
3570 int
3571 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3572 {
3573         struct rte_eth_dev *dev;
3574
3575         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3576         dev = &rte_eth_devices[port_id];
3577
3578         if (mac_addr == NULL) {
3579                 RTE_ETHDEV_LOG(ERR,
3580                         "Cannot get ethdev port %u MAC address to NULL\n",
3581                         port_id);
3582                 return -EINVAL;
3583         }
3584
3585         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3586
3587         return 0;
3588 }
3589
3590 int
3591 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3592 {
3593         struct rte_eth_dev *dev;
3594
3595         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3596         dev = &rte_eth_devices[port_id];
3597
3598         if (mtu == NULL) {
3599                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3600                         port_id);
3601                 return -EINVAL;
3602         }
3603
3604         *mtu = dev->data->mtu;
3605         return 0;
3606 }
3607
3608 int
3609 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3610 {
3611         int ret;
3612         struct rte_eth_dev_info dev_info;
3613         struct rte_eth_dev *dev;
3614
3615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3616         dev = &rte_eth_devices[port_id];
3617         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3618
3619         /*
3620          * Check if the device supports dev_infos_get, if it does not
3621          * skip min_mtu/max_mtu validation here as this requires values
3622          * that are populated within the call to rte_eth_dev_info_get()
3623          * which relies on dev->dev_ops->dev_infos_get.
3624          */
3625         if (*dev->dev_ops->dev_infos_get != NULL) {
3626                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3627                 if (ret != 0)
3628                         return ret;
3629
3630                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3631                         return -EINVAL;
3632         }
3633
3634         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3635         if (!ret)
3636                 dev->data->mtu = mtu;
3637
3638         return eth_err(port_id, ret);
3639 }
3640
3641 int
3642 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3643 {
3644         struct rte_eth_dev *dev;
3645         int ret;
3646
3647         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3648         dev = &rte_eth_devices[port_id];
3649
3650         if (!(dev->data->dev_conf.rxmode.offloads &
3651               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3652                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3653                         port_id);
3654                 return -ENOSYS;
3655         }
3656
3657         if (vlan_id > 4095) {
3658                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3659                         port_id, vlan_id);
3660                 return -EINVAL;
3661         }
3662         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3663
3664         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3665         if (ret == 0) {
3666                 struct rte_vlan_filter_conf *vfc;
3667                 int vidx;
3668                 int vbit;
3669
3670                 vfc = &dev->data->vlan_filter_conf;
3671                 vidx = vlan_id / 64;
3672                 vbit = vlan_id % 64;
3673
3674                 if (on)
3675                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3676                 else
3677                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3678         }
3679
3680         return eth_err(port_id, ret);
3681 }
3682
3683 int
3684 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3685                                     int on)
3686 {
3687         struct rte_eth_dev *dev;
3688
3689         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3690         dev = &rte_eth_devices[port_id];
3691
3692         if (rx_queue_id >= dev->data->nb_rx_queues) {
3693                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3694                 return -EINVAL;
3695         }
3696
3697         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3698         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3699
3700         return 0;
3701 }
3702
3703 int
3704 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3705                                 enum rte_vlan_type vlan_type,
3706                                 uint16_t tpid)
3707 {
3708         struct rte_eth_dev *dev;
3709
3710         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3711         dev = &rte_eth_devices[port_id];
3712
3713         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3714         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3715                                                                tpid));
3716 }
3717
3718 int
3719 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3720 {
3721         struct rte_eth_dev_info dev_info;
3722         struct rte_eth_dev *dev;
3723         int ret = 0;
3724         int mask = 0;
3725         int cur, org = 0;
3726         uint64_t orig_offloads;
3727         uint64_t dev_offloads;
3728         uint64_t new_offloads;
3729
3730         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3731         dev = &rte_eth_devices[port_id];
3732
3733         /* save original values in case of failure */
3734         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3735         dev_offloads = orig_offloads;
3736
3737         /* check which option changed by application */
3738         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3739         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3740         if (cur != org) {
3741                 if (cur)
3742                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3743                 else
3744                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3745                 mask |= ETH_VLAN_STRIP_MASK;
3746         }
3747
3748         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3749         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3750         if (cur != org) {
3751                 if (cur)
3752                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3753                 else
3754                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3755                 mask |= ETH_VLAN_FILTER_MASK;
3756         }
3757
3758         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3759         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3760         if (cur != org) {
3761                 if (cur)
3762                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3763                 else
3764                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3765                 mask |= ETH_VLAN_EXTEND_MASK;
3766         }
3767
3768         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3769         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3770         if (cur != org) {
3771                 if (cur)
3772                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3773                 else
3774                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3775                 mask |= ETH_QINQ_STRIP_MASK;
3776         }
3777
3778         /*no change*/
3779         if (mask == 0)
3780                 return ret;
3781
3782         ret = rte_eth_dev_info_get(port_id, &dev_info);
3783         if (ret != 0)
3784                 return ret;
3785
3786         /* Rx VLAN offloading must be within its device capabilities */
3787         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3788                 new_offloads = dev_offloads & ~orig_offloads;
3789                 RTE_ETHDEV_LOG(ERR,
3790                         "Ethdev port_id=%u requested new added VLAN offloads "
3791                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3792                         "0x%" PRIx64 " in %s()\n",
3793                         port_id, new_offloads, dev_info.rx_offload_capa,
3794                         __func__);
3795                 return -EINVAL;
3796         }
3797
3798         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3799         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3800         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3801         if (ret) {
3802                 /* hit an error restore  original values */
3803                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3804         }
3805
3806         return eth_err(port_id, ret);
3807 }
3808
3809 int
3810 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3811 {
3812         struct rte_eth_dev *dev;
3813         uint64_t *dev_offloads;
3814         int ret = 0;
3815
3816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3817         dev = &rte_eth_devices[port_id];
3818         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3819
3820         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3821                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3822
3823         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3824                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3825
3826         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3827                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3828
3829         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3830                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3831
3832         return ret;
3833 }
3834
3835 int
3836 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3837 {
3838         struct rte_eth_dev *dev;
3839
3840         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3841         dev = &rte_eth_devices[port_id];
3842
3843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3844         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3845 }
3846
3847 int
3848 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3849 {
3850         struct rte_eth_dev *dev;
3851
3852         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3853         dev = &rte_eth_devices[port_id];
3854
3855         if (fc_conf == NULL) {
3856                 RTE_ETHDEV_LOG(ERR,
3857                         "Cannot get ethdev port %u flow control config to NULL\n",
3858                         port_id);
3859                 return -EINVAL;
3860         }
3861
3862         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3863         memset(fc_conf, 0, sizeof(*fc_conf));
3864         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3865 }
3866
3867 int
3868 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3869 {
3870         struct rte_eth_dev *dev;
3871
3872         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3873         dev = &rte_eth_devices[port_id];
3874
3875         if (fc_conf == NULL) {
3876                 RTE_ETHDEV_LOG(ERR,
3877                         "Cannot set ethdev port %u flow control from NULL config\n",
3878                         port_id);
3879                 return -EINVAL;
3880         }
3881
3882         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3883                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3884                 return -EINVAL;
3885         }
3886
3887         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3888         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3889 }
3890
3891 int
3892 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3893                                    struct rte_eth_pfc_conf *pfc_conf)
3894 {
3895         struct rte_eth_dev *dev;
3896
3897         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3898         dev = &rte_eth_devices[port_id];
3899
3900         if (pfc_conf == NULL) {
3901                 RTE_ETHDEV_LOG(ERR,
3902                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3903                         port_id);
3904                 return -EINVAL;
3905         }
3906
3907         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3908                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3909                 return -EINVAL;
3910         }
3911
3912         /* High water, low water validation are device specific */
3913         if  (*dev->dev_ops->priority_flow_ctrl_set)
3914                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3915                                         (dev, pfc_conf));
3916         return -ENOTSUP;
3917 }
3918
3919 static int
3920 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3921                         uint16_t reta_size)
3922 {
3923         uint16_t i, num;
3924
3925         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3926         for (i = 0; i < num; i++) {
3927                 if (reta_conf[i].mask)
3928                         return 0;
3929         }
3930
3931         return -EINVAL;
3932 }
3933
3934 static int
3935 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3936                          uint16_t reta_size,
3937                          uint16_t max_rxq)
3938 {
3939         uint16_t i, idx, shift;
3940
3941         if (max_rxq == 0) {
3942                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3943                 return -EINVAL;
3944         }
3945
3946         for (i = 0; i < reta_size; i++) {
3947                 idx = i / RTE_RETA_GROUP_SIZE;
3948                 shift = i % RTE_RETA_GROUP_SIZE;
3949                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3950                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3951                         RTE_ETHDEV_LOG(ERR,
3952                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3953                                 idx, shift,
3954                                 reta_conf[idx].reta[shift], max_rxq);
3955                         return -EINVAL;
3956                 }
3957         }
3958
3959         return 0;
3960 }
3961
3962 int
3963 rte_eth_dev_rss_reta_update(uint16_t port_id,
3964                             struct rte_eth_rss_reta_entry64 *reta_conf,
3965                             uint16_t reta_size)
3966 {
3967         struct rte_eth_dev *dev;
3968         int ret;
3969
3970         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3971         dev = &rte_eth_devices[port_id];
3972
3973         if (reta_conf == NULL) {
3974                 RTE_ETHDEV_LOG(ERR,
3975                         "Cannot update ethdev port %u RSS RETA to NULL\n",
3976                         port_id);
3977                 return -EINVAL;
3978         }
3979
3980         if (reta_size == 0) {
3981                 RTE_ETHDEV_LOG(ERR,
3982                         "Cannot update ethdev port %u RSS RETA with zero size\n",
3983                         port_id);
3984                 return -EINVAL;
3985         }
3986
3987         /* Check mask bits */
3988         ret = eth_check_reta_mask(reta_conf, reta_size);
3989         if (ret < 0)
3990                 return ret;
3991
3992         /* Check entry value */
3993         ret = eth_check_reta_entry(reta_conf, reta_size,
3994                                 dev->data->nb_rx_queues);
3995         if (ret < 0)
3996                 return ret;
3997
3998         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3999         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4000                                                              reta_size));
4001 }
4002
4003 int
4004 rte_eth_dev_rss_reta_query(uint16_t port_id,
4005                            struct rte_eth_rss_reta_entry64 *reta_conf,
4006                            uint16_t reta_size)
4007 {
4008         struct rte_eth_dev *dev;
4009         int ret;
4010
4011         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4012         dev = &rte_eth_devices[port_id];
4013
4014         if (reta_conf == NULL) {
4015                 RTE_ETHDEV_LOG(ERR,
4016                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4017                         port_id);
4018                 return -EINVAL;
4019         }
4020
4021         /* Check mask bits */
4022         ret = eth_check_reta_mask(reta_conf, reta_size);
4023         if (ret < 0)
4024                 return ret;
4025
4026         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4027         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4028                                                             reta_size));
4029 }
4030
4031 int
4032 rte_eth_dev_rss_hash_update(uint16_t port_id,
4033                             struct rte_eth_rss_conf *rss_conf)
4034 {
4035         struct rte_eth_dev *dev;
4036         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4037         int ret;
4038
4039         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4040         dev = &rte_eth_devices[port_id];
4041
4042         if (rss_conf == NULL) {
4043                 RTE_ETHDEV_LOG(ERR,
4044                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4045                         port_id);
4046                 return -EINVAL;
4047         }
4048
4049         ret = rte_eth_dev_info_get(port_id, &dev_info);
4050         if (ret != 0)
4051                 return ret;
4052
4053         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4054         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4055             dev_info.flow_type_rss_offloads) {
4056                 RTE_ETHDEV_LOG(ERR,
4057                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4058                         port_id, rss_conf->rss_hf,
4059                         dev_info.flow_type_rss_offloads);
4060                 return -EINVAL;
4061         }
4062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4063         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4064                                                                  rss_conf));
4065 }
4066
4067 int
4068 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4069                               struct rte_eth_rss_conf *rss_conf)
4070 {
4071         struct rte_eth_dev *dev;
4072
4073         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4074         dev = &rte_eth_devices[port_id];
4075
4076         if (rss_conf == NULL) {
4077                 RTE_ETHDEV_LOG(ERR,
4078                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4079                         port_id);
4080                 return -EINVAL;
4081         }
4082
4083         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4084         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4085                                                                    rss_conf));
4086 }
4087
4088 int
4089 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4090                                 struct rte_eth_udp_tunnel *udp_tunnel)
4091 {
4092         struct rte_eth_dev *dev;
4093
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4095         dev = &rte_eth_devices[port_id];
4096
4097         if (udp_tunnel == NULL) {
4098                 RTE_ETHDEV_LOG(ERR,
4099                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4100                         port_id);
4101                 return -EINVAL;
4102         }
4103
4104         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4105                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4106                 return -EINVAL;
4107         }
4108
4109         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4110         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4111                                                                 udp_tunnel));
4112 }
4113
4114 int
4115 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4116                                    struct rte_eth_udp_tunnel *udp_tunnel)
4117 {
4118         struct rte_eth_dev *dev;
4119
4120         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4121         dev = &rte_eth_devices[port_id];
4122
4123         if (udp_tunnel == NULL) {
4124                 RTE_ETHDEV_LOG(ERR,
4125                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4126                         port_id);
4127                 return -EINVAL;
4128         }
4129
4130         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4131                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4132                 return -EINVAL;
4133         }
4134
4135         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4136         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4137                                                                 udp_tunnel));
4138 }
4139
4140 int
4141 rte_eth_led_on(uint16_t port_id)
4142 {
4143         struct rte_eth_dev *dev;
4144
4145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4146         dev = &rte_eth_devices[port_id];
4147
4148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4149         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4150 }
4151
4152 int
4153 rte_eth_led_off(uint16_t port_id)
4154 {
4155         struct rte_eth_dev *dev;
4156
4157         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4158         dev = &rte_eth_devices[port_id];
4159
4160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4161         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4162 }
4163
4164 int
4165 rte_eth_fec_get_capability(uint16_t port_id,
4166                            struct rte_eth_fec_capa *speed_fec_capa,
4167                            unsigned int num)
4168 {
4169         struct rte_eth_dev *dev;
4170         int ret;
4171
4172         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4173         dev = &rte_eth_devices[port_id];
4174
4175         if (speed_fec_capa == NULL && num > 0) {
4176                 RTE_ETHDEV_LOG(ERR,
4177                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4178                         port_id);
4179                 return -EINVAL;
4180         }
4181
4182         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4183         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4184
4185         return ret;
4186 }
4187
4188 int
4189 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4190 {
4191         struct rte_eth_dev *dev;
4192
4193         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4194         dev = &rte_eth_devices[port_id];
4195
4196         if (fec_capa == NULL) {
4197                 RTE_ETHDEV_LOG(ERR,
4198                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4199                         port_id);
4200                 return -EINVAL;
4201         }
4202
4203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4204         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4205 }
4206
4207 int
4208 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4209 {
4210         struct rte_eth_dev *dev;
4211
4212         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4213         dev = &rte_eth_devices[port_id];
4214
4215         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4216         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4217 }
4218
4219 /*
4220  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4221  * an empty spot.
4222  */
4223 static int
4224 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4225 {
4226         struct rte_eth_dev_info dev_info;
4227         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4228         unsigned i;
4229         int ret;
4230
4231         ret = rte_eth_dev_info_get(port_id, &dev_info);
4232         if (ret != 0)
4233                 return -1;
4234
4235         for (i = 0; i < dev_info.max_mac_addrs; i++)
4236                 if (memcmp(addr, &dev->data->mac_addrs[i],
4237                                 RTE_ETHER_ADDR_LEN) == 0)
4238                         return i;
4239
4240         return -1;
4241 }
4242
4243 static const struct rte_ether_addr null_mac_addr;
4244
4245 int
4246 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4247                         uint32_t pool)
4248 {
4249         struct rte_eth_dev *dev;
4250         int index;
4251         uint64_t pool_mask;
4252         int ret;
4253
4254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4255         dev = &rte_eth_devices[port_id];
4256
4257         if (addr == NULL) {
4258                 RTE_ETHDEV_LOG(ERR,
4259                         "Cannot add ethdev port %u MAC address from NULL address\n",
4260                         port_id);
4261                 return -EINVAL;
4262         }
4263
4264         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4265
4266         if (rte_is_zero_ether_addr(addr)) {
4267                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4268                         port_id);
4269                 return -EINVAL;
4270         }
4271         if (pool >= ETH_64_POOLS) {
4272                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4273                 return -EINVAL;
4274         }
4275
4276         index = eth_dev_get_mac_addr_index(port_id, addr);
4277         if (index < 0) {
4278                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4279                 if (index < 0) {
4280                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4281                                 port_id);
4282                         return -ENOSPC;
4283                 }
4284         } else {
4285                 pool_mask = dev->data->mac_pool_sel[index];
4286
4287                 /* Check if both MAC address and pool is already there, and do nothing */
4288                 if (pool_mask & (1ULL << pool))
4289                         return 0;
4290         }
4291
4292         /* Update NIC */
4293         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4294
4295         if (ret == 0) {
4296                 /* Update address in NIC data structure */
4297                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4298
4299                 /* Update pool bitmap in NIC data structure */
4300                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4301         }
4302
4303         return eth_err(port_id, ret);
4304 }
4305
4306 int
4307 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4308 {
4309         struct rte_eth_dev *dev;
4310         int index;
4311
4312         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4313         dev = &rte_eth_devices[port_id];
4314
4315         if (addr == NULL) {
4316                 RTE_ETHDEV_LOG(ERR,
4317                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4318                         port_id);
4319                 return -EINVAL;
4320         }
4321
4322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4323
4324         index = eth_dev_get_mac_addr_index(port_id, addr);
4325         if (index == 0) {
4326                 RTE_ETHDEV_LOG(ERR,
4327                         "Port %u: Cannot remove default MAC address\n",
4328                         port_id);
4329                 return -EADDRINUSE;
4330         } else if (index < 0)
4331                 return 0;  /* Do nothing if address wasn't found */
4332
4333         /* Update NIC */
4334         (*dev->dev_ops->mac_addr_remove)(dev, index);
4335
4336         /* Update address in NIC data structure */
4337         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4338
4339         /* reset pool bitmap */
4340         dev->data->mac_pool_sel[index] = 0;
4341
4342         return 0;
4343 }
4344
4345 int
4346 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4347 {
4348         struct rte_eth_dev *dev;
4349         int ret;
4350
4351         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4352         dev = &rte_eth_devices[port_id];
4353
4354         if (addr == NULL) {
4355                 RTE_ETHDEV_LOG(ERR,
4356                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4357                         port_id);
4358                 return -EINVAL;
4359         }
4360
4361         if (!rte_is_valid_assigned_ether_addr(addr))
4362                 return -EINVAL;
4363
4364         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4365
4366         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4367         if (ret < 0)
4368                 return ret;
4369
4370         /* Update default address in NIC data structure */
4371         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4372
4373         return 0;
4374 }
4375
4376
4377 /*
4378  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4379  * an empty spot.
4380  */
4381 static int
4382 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4383                 const struct rte_ether_addr *addr)
4384 {
4385         struct rte_eth_dev_info dev_info;
4386         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4387         unsigned i;
4388         int ret;
4389
4390         ret = rte_eth_dev_info_get(port_id, &dev_info);
4391         if (ret != 0)
4392                 return -1;
4393
4394         if (!dev->data->hash_mac_addrs)
4395                 return -1;
4396
4397         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4398                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4399                         RTE_ETHER_ADDR_LEN) == 0)
4400                         return i;
4401
4402         return -1;
4403 }
4404
4405 int
4406 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4407                                 uint8_t on)
4408 {
4409         int index;
4410         int ret;
4411         struct rte_eth_dev *dev;
4412
4413         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4414         dev = &rte_eth_devices[port_id];
4415
4416         if (addr == NULL) {
4417                 RTE_ETHDEV_LOG(ERR,
4418                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4419                         port_id);
4420                 return -EINVAL;
4421         }
4422
4423         if (rte_is_zero_ether_addr(addr)) {
4424                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4425                         port_id);
4426                 return -EINVAL;
4427         }
4428
4429         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4430         /* Check if it's already there, and do nothing */
4431         if ((index >= 0) && on)
4432                 return 0;
4433
4434         if (index < 0) {
4435                 if (!on) {
4436                         RTE_ETHDEV_LOG(ERR,
4437                                 "Port %u: the MAC address was not set in UTA\n",
4438                                 port_id);
4439                         return -EINVAL;
4440                 }
4441
4442                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4443                 if (index < 0) {
4444                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4445                                 port_id);
4446                         return -ENOSPC;
4447                 }
4448         }
4449
4450         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4451         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4452         if (ret == 0) {
4453                 /* Update address in NIC data structure */
4454                 if (on)
4455                         rte_ether_addr_copy(addr,
4456                                         &dev->data->hash_mac_addrs[index]);
4457                 else
4458                         rte_ether_addr_copy(&null_mac_addr,
4459                                         &dev->data->hash_mac_addrs[index]);
4460         }
4461
4462         return eth_err(port_id, ret);
4463 }
4464
4465 int
4466 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4467 {
4468         struct rte_eth_dev *dev;
4469
4470         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4471         dev = &rte_eth_devices[port_id];
4472
4473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4474         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4475                                                                        on));
4476 }
4477
4478 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4479                                         uint16_t tx_rate)
4480 {
4481         struct rte_eth_dev *dev;
4482         struct rte_eth_dev_info dev_info;
4483         struct rte_eth_link link;
4484         int ret;
4485
4486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4487         dev = &rte_eth_devices[port_id];
4488
4489         ret = rte_eth_dev_info_get(port_id, &dev_info);
4490         if (ret != 0)
4491                 return ret;
4492
4493         link = dev->data->dev_link;
4494
4495         if (queue_idx > dev_info.max_tx_queues) {
4496                 RTE_ETHDEV_LOG(ERR,
4497                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4498                         port_id, queue_idx);
4499                 return -EINVAL;
4500         }
4501
4502         if (tx_rate > link.link_speed) {
4503                 RTE_ETHDEV_LOG(ERR,
4504                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4505                         tx_rate, link.link_speed);
4506                 return -EINVAL;
4507         }
4508
4509         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4510         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4511                                                         queue_idx, tx_rate));
4512 }
4513
4514 int
4515 rte_eth_mirror_rule_set(uint16_t port_id,
4516                         struct rte_eth_mirror_conf *mirror_conf,
4517                         uint8_t rule_id, uint8_t on)
4518 {
4519         struct rte_eth_dev *dev;
4520
4521         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4522         dev = &rte_eth_devices[port_id];
4523
4524         if (mirror_conf == NULL) {
4525                 RTE_ETHDEV_LOG(ERR,
4526                         "Cannot set ethdev port %u mirror rule from NULL config\n",
4527                         port_id);
4528                 return -EINVAL;
4529         }
4530
4531         if (mirror_conf->rule_type == 0) {
4532                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
4533                 return -EINVAL;
4534         }
4535
4536         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
4537                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
4538                         ETH_64_POOLS - 1);
4539                 return -EINVAL;
4540         }
4541
4542         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
4543              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
4544             (mirror_conf->pool_mask == 0)) {
4545                 RTE_ETHDEV_LOG(ERR,
4546                         "Invalid mirror pool, pool mask can not be 0\n");
4547                 return -EINVAL;
4548         }
4549
4550         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
4551             mirror_conf->vlan.vlan_mask == 0) {
4552                 RTE_ETHDEV_LOG(ERR,
4553                         "Invalid vlan mask, vlan mask can not be 0\n");
4554                 return -EINVAL;
4555         }
4556
4557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
4558
4559         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
4560                                                 mirror_conf, rule_id, on));
4561 }
4562
4563 int
4564 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
4565 {
4566         struct rte_eth_dev *dev;
4567
4568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4569         dev = &rte_eth_devices[port_id];
4570
4571         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
4572         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev, rule_id));
4573 }
4574
4575 RTE_INIT(eth_dev_init_cb_lists)
4576 {
4577         uint16_t i;
4578
4579         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4580                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4581 }
4582
4583 int
4584 rte_eth_dev_callback_register(uint16_t port_id,
4585                         enum rte_eth_event_type event,
4586                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4587 {
4588         struct rte_eth_dev *dev;
4589         struct rte_eth_dev_callback *user_cb;
4590         uint16_t next_port;
4591         uint16_t last_port;
4592
4593         if (cb_fn == NULL) {
4594                 RTE_ETHDEV_LOG(ERR,
4595                         "Cannot register ethdev port %u callback from NULL\n",
4596                         port_id);
4597                 return -EINVAL;
4598         }
4599
4600         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4601                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4602                 return -EINVAL;
4603         }
4604
4605         if (port_id == RTE_ETH_ALL) {
4606                 next_port = 0;
4607                 last_port = RTE_MAX_ETHPORTS - 1;
4608         } else {
4609                 next_port = last_port = port_id;
4610         }
4611
4612         rte_spinlock_lock(&eth_dev_cb_lock);
4613
4614         do {
4615                 dev = &rte_eth_devices[next_port];
4616
4617                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4618                         if (user_cb->cb_fn == cb_fn &&
4619                                 user_cb->cb_arg == cb_arg &&
4620                                 user_cb->event == event) {
4621                                 break;
4622                         }
4623                 }
4624
4625                 /* create a new callback. */
4626                 if (user_cb == NULL) {
4627                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4628                                 sizeof(struct rte_eth_dev_callback), 0);
4629                         if (user_cb != NULL) {
4630                                 user_cb->cb_fn = cb_fn;
4631                                 user_cb->cb_arg = cb_arg;
4632                                 user_cb->event = event;
4633                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4634                                                   user_cb, next);
4635                         } else {
4636                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4637                                 rte_eth_dev_callback_unregister(port_id, event,
4638                                                                 cb_fn, cb_arg);
4639                                 return -ENOMEM;
4640                         }
4641
4642                 }
4643         } while (++next_port <= last_port);
4644
4645         rte_spinlock_unlock(&eth_dev_cb_lock);
4646         return 0;
4647 }
4648
4649 int
4650 rte_eth_dev_callback_unregister(uint16_t port_id,
4651                         enum rte_eth_event_type event,
4652                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4653 {
4654         int ret;
4655         struct rte_eth_dev *dev;
4656         struct rte_eth_dev_callback *cb, *next;
4657         uint16_t next_port;
4658         uint16_t last_port;
4659
4660         if (cb_fn == NULL) {
4661                 RTE_ETHDEV_LOG(ERR,
4662                         "Cannot unregister ethdev port %u callback from NULL\n",
4663                         port_id);
4664                 return -EINVAL;
4665         }
4666
4667         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4668                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4669                 return -EINVAL;
4670         }
4671
4672         if (port_id == RTE_ETH_ALL) {
4673                 next_port = 0;
4674                 last_port = RTE_MAX_ETHPORTS - 1;
4675         } else {
4676                 next_port = last_port = port_id;
4677         }
4678
4679         rte_spinlock_lock(&eth_dev_cb_lock);
4680
4681         do {
4682                 dev = &rte_eth_devices[next_port];
4683                 ret = 0;
4684                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4685                      cb = next) {
4686
4687                         next = TAILQ_NEXT(cb, next);
4688
4689                         if (cb->cb_fn != cb_fn || cb->event != event ||
4690                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4691                                 continue;
4692
4693                         /*
4694                          * if this callback is not executing right now,
4695                          * then remove it.
4696                          */
4697                         if (cb->active == 0) {
4698                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4699                                 rte_free(cb);
4700                         } else {
4701                                 ret = -EAGAIN;
4702                         }
4703                 }
4704         } while (++next_port <= last_port);
4705
4706         rte_spinlock_unlock(&eth_dev_cb_lock);
4707         return ret;
4708 }
4709
4710 int
4711 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4712         enum rte_eth_event_type event, void *ret_param)
4713 {
4714         struct rte_eth_dev_callback *cb_lst;
4715         struct rte_eth_dev_callback dev_cb;
4716         int rc = 0;
4717
4718         rte_spinlock_lock(&eth_dev_cb_lock);
4719         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4720                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4721                         continue;
4722                 dev_cb = *cb_lst;
4723                 cb_lst->active = 1;
4724                 if (ret_param != NULL)
4725                         dev_cb.ret_param = ret_param;
4726
4727                 rte_spinlock_unlock(&eth_dev_cb_lock);
4728                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4729                                 dev_cb.cb_arg, dev_cb.ret_param);
4730                 rte_spinlock_lock(&eth_dev_cb_lock);
4731                 cb_lst->active = 0;
4732         }
4733         rte_spinlock_unlock(&eth_dev_cb_lock);
4734         return rc;
4735 }
4736
4737 void
4738 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4739 {
4740         if (dev == NULL)
4741                 return;
4742
4743         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4744
4745         dev->state = RTE_ETH_DEV_ATTACHED;
4746 }
4747
4748 int
4749 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4750 {
4751         uint32_t vec;
4752         struct rte_eth_dev *dev;
4753         struct rte_intr_handle *intr_handle;
4754         uint16_t qid;
4755         int rc;
4756
4757         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4758         dev = &rte_eth_devices[port_id];
4759
4760         if (!dev->intr_handle) {
4761                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4762                 return -ENOTSUP;
4763         }
4764
4765         intr_handle = dev->intr_handle;
4766         if (!intr_handle->intr_vec) {
4767                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4768                 return -EPERM;
4769         }
4770
4771         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4772                 vec = intr_handle->intr_vec[qid];
4773                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4774                 if (rc && rc != -EEXIST) {
4775                         RTE_ETHDEV_LOG(ERR,
4776                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4777                                 port_id, qid, op, epfd, vec);
4778                 }
4779         }
4780
4781         return 0;
4782 }
4783
4784 int
4785 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4786 {
4787         struct rte_intr_handle *intr_handle;
4788         struct rte_eth_dev *dev;
4789         unsigned int efd_idx;
4790         uint32_t vec;
4791         int fd;
4792
4793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4794         dev = &rte_eth_devices[port_id];
4795
4796         if (queue_id >= dev->data->nb_rx_queues) {
4797                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4798                 return -1;
4799         }
4800
4801         if (!dev->intr_handle) {
4802                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4803                 return -1;
4804         }
4805
4806         intr_handle = dev->intr_handle;
4807         if (!intr_handle->intr_vec) {
4808                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4809                 return -1;
4810         }
4811
4812         vec = intr_handle->intr_vec[queue_id];
4813         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4814                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4815         fd = intr_handle->efds[efd_idx];
4816
4817         return fd;
4818 }
4819
4820 static inline int
4821 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4822                 const char *ring_name)
4823 {
4824         return snprintf(name, len, "eth_p%d_q%d_%s",
4825                         port_id, queue_id, ring_name);
4826 }
4827
4828 const struct rte_memzone *
4829 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4830                          uint16_t queue_id, size_t size, unsigned align,
4831                          int socket_id)
4832 {
4833         char z_name[RTE_MEMZONE_NAMESIZE];
4834         const struct rte_memzone *mz;
4835         int rc;
4836
4837         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4838                         queue_id, ring_name);
4839         if (rc >= RTE_MEMZONE_NAMESIZE) {
4840                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4841                 rte_errno = ENAMETOOLONG;
4842                 return NULL;
4843         }
4844
4845         mz = rte_memzone_lookup(z_name);
4846         if (mz) {
4847                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4848                                 size > mz->len ||
4849                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4850                         RTE_ETHDEV_LOG(ERR,
4851                                 "memzone %s does not justify the requested attributes\n",
4852                                 mz->name);
4853                         return NULL;
4854                 }
4855
4856                 return mz;
4857         }
4858
4859         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4860                         RTE_MEMZONE_IOVA_CONTIG, align);
4861 }
4862
4863 int
4864 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4865                 uint16_t queue_id)
4866 {
4867         char z_name[RTE_MEMZONE_NAMESIZE];
4868         const struct rte_memzone *mz;
4869         int rc = 0;
4870
4871         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4872                         queue_id, ring_name);
4873         if (rc >= RTE_MEMZONE_NAMESIZE) {
4874                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4875                 return -ENAMETOOLONG;
4876         }
4877
4878         mz = rte_memzone_lookup(z_name);
4879         if (mz)
4880                 rc = rte_memzone_free(mz);
4881         else
4882                 rc = -ENOENT;
4883
4884         return rc;
4885 }
4886
4887 int
4888 rte_eth_dev_create(struct rte_device *device, const char *name,
4889         size_t priv_data_size,
4890         ethdev_bus_specific_init ethdev_bus_specific_init,
4891         void *bus_init_params,
4892         ethdev_init_t ethdev_init, void *init_params)
4893 {
4894         struct rte_eth_dev *ethdev;
4895         int retval;
4896
4897         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4898
4899         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4900                 ethdev = rte_eth_dev_allocate(name);
4901                 if (!ethdev)
4902                         return -ENODEV;
4903
4904                 if (priv_data_size) {
4905                         ethdev->data->dev_private = rte_zmalloc_socket(
4906                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4907                                 device->numa_node);
4908
4909                         if (!ethdev->data->dev_private) {
4910                                 RTE_ETHDEV_LOG(ERR,
4911                                         "failed to allocate private data\n");
4912                                 retval = -ENOMEM;
4913                                 goto probe_failed;
4914                         }
4915                 }
4916         } else {
4917                 ethdev = rte_eth_dev_attach_secondary(name);
4918                 if (!ethdev) {
4919                         RTE_ETHDEV_LOG(ERR,
4920                                 "secondary process attach failed, ethdev doesn't exist\n");
4921                         return  -ENODEV;
4922                 }
4923         }
4924
4925         ethdev->device = device;
4926
4927         if (ethdev_bus_specific_init) {
4928                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4929                 if (retval) {
4930                         RTE_ETHDEV_LOG(ERR,
4931                                 "ethdev bus specific initialisation failed\n");
4932                         goto probe_failed;
4933                 }
4934         }
4935
4936         retval = ethdev_init(ethdev, init_params);
4937         if (retval) {
4938                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4939                 goto probe_failed;
4940         }
4941
4942         rte_eth_dev_probing_finish(ethdev);
4943
4944         return retval;
4945
4946 probe_failed:
4947         rte_eth_dev_release_port(ethdev);
4948         return retval;
4949 }
4950
4951 int
4952 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4953         ethdev_uninit_t ethdev_uninit)
4954 {
4955         int ret;
4956
4957         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4958         if (!ethdev)
4959                 return -ENODEV;
4960
4961         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4962
4963         ret = ethdev_uninit(ethdev);
4964         if (ret)
4965                 return ret;
4966
4967         return rte_eth_dev_release_port(ethdev);
4968 }
4969
4970 int
4971 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4972                           int epfd, int op, void *data)
4973 {
4974         uint32_t vec;
4975         struct rte_eth_dev *dev;
4976         struct rte_intr_handle *intr_handle;
4977         int rc;
4978
4979         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4980         dev = &rte_eth_devices[port_id];
4981
4982         if (queue_id >= dev->data->nb_rx_queues) {
4983                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4984                 return -EINVAL;
4985         }
4986
4987         if (!dev->intr_handle) {
4988                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4989                 return -ENOTSUP;
4990         }
4991
4992         intr_handle = dev->intr_handle;
4993         if (!intr_handle->intr_vec) {
4994                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4995                 return -EPERM;
4996         }
4997
4998         vec = intr_handle->intr_vec[queue_id];
4999         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5000         if (rc && rc != -EEXIST) {
5001                 RTE_ETHDEV_LOG(ERR,
5002                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
5003                         port_id, queue_id, op, epfd, vec);
5004                 return rc;
5005         }
5006
5007         return 0;
5008 }
5009
5010 int
5011 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5012                            uint16_t queue_id)
5013 {
5014         struct rte_eth_dev *dev;
5015         int ret;
5016
5017         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5018         dev = &rte_eth_devices[port_id];
5019
5020         ret = eth_dev_validate_rx_queue(dev, queue_id);
5021         if (ret != 0)
5022                 return ret;
5023
5024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5025         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5026 }
5027
5028 int
5029 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5030                             uint16_t queue_id)
5031 {
5032         struct rte_eth_dev *dev;
5033         int ret;
5034
5035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5036         dev = &rte_eth_devices[port_id];
5037
5038         ret = eth_dev_validate_rx_queue(dev, queue_id);
5039         if (ret != 0)
5040                 return ret;
5041
5042         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5043         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5044 }
5045
5046
5047 const struct rte_eth_rxtx_callback *
5048 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5049                 rte_rx_callback_fn fn, void *user_param)
5050 {
5051 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5052         rte_errno = ENOTSUP;
5053         return NULL;
5054 #endif
5055         struct rte_eth_dev *dev;
5056
5057         /* check input parameters */
5058         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5059                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5060                 rte_errno = EINVAL;
5061                 return NULL;
5062         }
5063         dev = &rte_eth_devices[port_id];
5064         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5065                 rte_errno = EINVAL;
5066                 return NULL;
5067         }
5068         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5069
5070         if (cb == NULL) {
5071                 rte_errno = ENOMEM;
5072                 return NULL;
5073         }
5074
5075         cb->fn.rx = fn;
5076         cb->param = user_param;
5077
5078         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5079         /* Add the callbacks in fifo order. */
5080         struct rte_eth_rxtx_callback *tail =
5081                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5082
5083         if (!tail) {
5084                 /* Stores to cb->fn and cb->param should complete before
5085                  * cb is visible to data plane.
5086                  */
5087                 __atomic_store_n(
5088                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5089                         cb, __ATOMIC_RELEASE);
5090
5091         } else {
5092                 while (tail->next)
5093                         tail = tail->next;
5094                 /* Stores to cb->fn and cb->param should complete before
5095                  * cb is visible to data plane.
5096                  */
5097                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5098         }
5099         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5100
5101         return cb;
5102 }
5103
5104 const struct rte_eth_rxtx_callback *
5105 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5106                 rte_rx_callback_fn fn, void *user_param)
5107 {
5108 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5109         rte_errno = ENOTSUP;
5110         return NULL;
5111 #endif
5112         /* check input parameters */
5113         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5114                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5115                 rte_errno = EINVAL;
5116                 return NULL;
5117         }
5118
5119         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5120
5121         if (cb == NULL) {
5122                 rte_errno = ENOMEM;
5123                 return NULL;
5124         }
5125
5126         cb->fn.rx = fn;
5127         cb->param = user_param;
5128
5129         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5130         /* Add the callbacks at first position */
5131         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5132         /* Stores to cb->fn, cb->param and cb->next should complete before
5133          * cb is visible to data plane threads.
5134          */
5135         __atomic_store_n(
5136                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5137                 cb, __ATOMIC_RELEASE);
5138         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5139
5140         return cb;
5141 }
5142
5143 const struct rte_eth_rxtx_callback *
5144 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5145                 rte_tx_callback_fn fn, void *user_param)
5146 {
5147 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5148         rte_errno = ENOTSUP;
5149         return NULL;
5150 #endif
5151         struct rte_eth_dev *dev;
5152
5153         /* check input parameters */
5154         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5155                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5156                 rte_errno = EINVAL;
5157                 return NULL;
5158         }
5159
5160         dev = &rte_eth_devices[port_id];
5161         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5162                 rte_errno = EINVAL;
5163                 return NULL;
5164         }
5165
5166         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5167
5168         if (cb == NULL) {
5169                 rte_errno = ENOMEM;
5170                 return NULL;
5171         }
5172
5173         cb->fn.tx = fn;
5174         cb->param = user_param;
5175
5176         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5177         /* Add the callbacks in fifo order. */
5178         struct rte_eth_rxtx_callback *tail =
5179                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5180
5181         if (!tail) {
5182                 /* Stores to cb->fn and cb->param should complete before
5183                  * cb is visible to data plane.
5184                  */
5185                 __atomic_store_n(
5186                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5187                         cb, __ATOMIC_RELEASE);
5188
5189         } else {
5190                 while (tail->next)
5191                         tail = tail->next;
5192                 /* Stores to cb->fn and cb->param should complete before
5193                  * cb is visible to data plane.
5194                  */
5195                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5196         }
5197         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5198
5199         return cb;
5200 }
5201
5202 int
5203 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5204                 const struct rte_eth_rxtx_callback *user_cb)
5205 {
5206 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5207         return -ENOTSUP;
5208 #endif
5209         /* Check input parameters. */
5210         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5211         if (user_cb == NULL ||
5212                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5213                 return -EINVAL;
5214
5215         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5216         struct rte_eth_rxtx_callback *cb;
5217         struct rte_eth_rxtx_callback **prev_cb;
5218         int ret = -EINVAL;
5219
5220         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5221         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5222         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5223                 cb = *prev_cb;
5224                 if (cb == user_cb) {
5225                         /* Remove the user cb from the callback list. */
5226                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5227                         ret = 0;
5228                         break;
5229                 }
5230         }
5231         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5232
5233         return ret;
5234 }
5235
5236 int
5237 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5238                 const struct rte_eth_rxtx_callback *user_cb)
5239 {
5240 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5241         return -ENOTSUP;
5242 #endif
5243         /* Check input parameters. */
5244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5245         if (user_cb == NULL ||
5246                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5247                 return -EINVAL;
5248
5249         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5250         int ret = -EINVAL;
5251         struct rte_eth_rxtx_callback *cb;
5252         struct rte_eth_rxtx_callback **prev_cb;
5253
5254         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5255         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5256         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5257                 cb = *prev_cb;
5258                 if (cb == user_cb) {
5259                         /* Remove the user cb from the callback list. */
5260                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5261                         ret = 0;
5262                         break;
5263                 }
5264         }
5265         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5266
5267         return ret;
5268 }
5269
5270 int
5271 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5272         struct rte_eth_rxq_info *qinfo)
5273 {
5274         struct rte_eth_dev *dev;
5275
5276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5277         dev = &rte_eth_devices[port_id];
5278
5279         if (queue_id >= dev->data->nb_rx_queues) {
5280                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5281                 return -EINVAL;
5282         }
5283
5284         if (qinfo == NULL) {
5285                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5286                         port_id, queue_id);
5287                 return -EINVAL;
5288         }
5289
5290         if (dev->data->rx_queues == NULL ||
5291                         dev->data->rx_queues[queue_id] == NULL) {
5292                 RTE_ETHDEV_LOG(ERR,
5293                                "Rx queue %"PRIu16" of device with port_id=%"
5294                                PRIu16" has not been setup\n",
5295                                queue_id, port_id);
5296                 return -EINVAL;
5297         }
5298
5299         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5300                 RTE_ETHDEV_LOG(INFO,
5301                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5302                         queue_id, port_id);
5303                 return -EINVAL;
5304         }
5305
5306         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5307
5308         memset(qinfo, 0, sizeof(*qinfo));
5309         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5310         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5311
5312         return 0;
5313 }
5314
5315 int
5316 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5317         struct rte_eth_txq_info *qinfo)
5318 {
5319         struct rte_eth_dev *dev;
5320
5321         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5322         dev = &rte_eth_devices[port_id];
5323
5324         if (queue_id >= dev->data->nb_tx_queues) {
5325                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5326                 return -EINVAL;
5327         }
5328
5329         if (qinfo == NULL) {
5330                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5331                         port_id, queue_id);
5332                 return -EINVAL;
5333         }
5334
5335         if (dev->data->tx_queues == NULL ||
5336                         dev->data->tx_queues[queue_id] == NULL) {
5337                 RTE_ETHDEV_LOG(ERR,
5338                                "Tx queue %"PRIu16" of device with port_id=%"
5339                                PRIu16" has not been setup\n",
5340                                queue_id, port_id);
5341                 return -EINVAL;
5342         }
5343
5344         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5345                 RTE_ETHDEV_LOG(INFO,
5346                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5347                         queue_id, port_id);
5348                 return -EINVAL;
5349         }
5350
5351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5352
5353         memset(qinfo, 0, sizeof(*qinfo));
5354         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5355         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5356
5357         return 0;
5358 }
5359
5360 int
5361 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5362                           struct rte_eth_burst_mode *mode)
5363 {
5364         struct rte_eth_dev *dev;
5365
5366         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5367         dev = &rte_eth_devices[port_id];
5368
5369         if (queue_id >= dev->data->nb_rx_queues) {
5370                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5371                 return -EINVAL;
5372         }
5373
5374         if (mode == NULL) {
5375                 RTE_ETHDEV_LOG(ERR,
5376                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5377                         port_id, queue_id);
5378                 return -EINVAL;
5379         }
5380
5381         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5382         memset(mode, 0, sizeof(*mode));
5383         return eth_err(port_id,
5384                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5385 }
5386
5387 int
5388 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5389                           struct rte_eth_burst_mode *mode)
5390 {
5391         struct rte_eth_dev *dev;
5392
5393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5394         dev = &rte_eth_devices[port_id];
5395
5396         if (queue_id >= dev->data->nb_tx_queues) {
5397                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5398                 return -EINVAL;
5399         }
5400
5401         if (mode == NULL) {
5402                 RTE_ETHDEV_LOG(ERR,
5403                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5404                         port_id, queue_id);
5405                 return -EINVAL;
5406         }
5407
5408         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5409         memset(mode, 0, sizeof(*mode));
5410         return eth_err(port_id,
5411                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5412 }
5413
5414 int
5415 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5416                 struct rte_power_monitor_cond *pmc)
5417 {
5418         struct rte_eth_dev *dev;
5419
5420         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5421         dev = &rte_eth_devices[port_id];
5422
5423         if (queue_id >= dev->data->nb_rx_queues) {
5424                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5425                 return -EINVAL;
5426         }
5427
5428         if (pmc == NULL) {
5429                 RTE_ETHDEV_LOG(ERR,
5430                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5431                         port_id, queue_id);
5432                 return -EINVAL;
5433         }
5434
5435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5436         return eth_err(port_id,
5437                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5438 }
5439
5440 int
5441 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5442                              struct rte_ether_addr *mc_addr_set,
5443                              uint32_t nb_mc_addr)
5444 {
5445         struct rte_eth_dev *dev;
5446
5447         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5448         dev = &rte_eth_devices[port_id];
5449
5450         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5451         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5452                                                 mc_addr_set, nb_mc_addr));
5453 }
5454
5455 int
5456 rte_eth_timesync_enable(uint16_t port_id)
5457 {
5458         struct rte_eth_dev *dev;
5459
5460         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5461         dev = &rte_eth_devices[port_id];
5462
5463         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5464         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5465 }
5466
5467 int
5468 rte_eth_timesync_disable(uint16_t port_id)
5469 {
5470         struct rte_eth_dev *dev;
5471
5472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5473         dev = &rte_eth_devices[port_id];
5474
5475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5476         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5477 }
5478
5479 int
5480 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5481                                    uint32_t flags)
5482 {
5483         struct rte_eth_dev *dev;
5484
5485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5486         dev = &rte_eth_devices[port_id];
5487
5488         if (timestamp == NULL) {
5489                 RTE_ETHDEV_LOG(ERR,
5490                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5491                         port_id);
5492                 return -EINVAL;
5493         }
5494
5495         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5496         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5497                                 (dev, timestamp, flags));
5498 }
5499
5500 int
5501 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5502                                    struct timespec *timestamp)
5503 {
5504         struct rte_eth_dev *dev;
5505
5506         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5507         dev = &rte_eth_devices[port_id];
5508
5509         if (timestamp == NULL) {
5510                 RTE_ETHDEV_LOG(ERR,
5511                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5512                         port_id);
5513                 return -EINVAL;
5514         }
5515
5516         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5517         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5518                                 (dev, timestamp));
5519 }
5520
5521 int
5522 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5523 {
5524         struct rte_eth_dev *dev;
5525
5526         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5527         dev = &rte_eth_devices[port_id];
5528
5529         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5530         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5531 }
5532
5533 int
5534 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5535 {
5536         struct rte_eth_dev *dev;
5537
5538         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5539         dev = &rte_eth_devices[port_id];
5540
5541         if (timestamp == NULL) {
5542                 RTE_ETHDEV_LOG(ERR,
5543                         "Cannot read ethdev port %u timesync time to NULL\n",
5544                         port_id);
5545                 return -EINVAL;
5546         }
5547
5548         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5549         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5550                                                                 timestamp));
5551 }
5552
5553 int
5554 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5555 {
5556         struct rte_eth_dev *dev;
5557
5558         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5559         dev = &rte_eth_devices[port_id];
5560
5561         if (timestamp == NULL) {
5562                 RTE_ETHDEV_LOG(ERR,
5563                         "Cannot write ethdev port %u timesync from NULL time\n",
5564                         port_id);
5565                 return -EINVAL;
5566         }
5567
5568         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5569         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5570                                                                 timestamp));
5571 }
5572
5573 int
5574 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5575 {
5576         struct rte_eth_dev *dev;
5577
5578         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5579         dev = &rte_eth_devices[port_id];
5580
5581         if (clock == NULL) {
5582                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5583                         port_id);
5584                 return -EINVAL;
5585         }
5586
5587         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5588         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5589 }
5590
5591 int
5592 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5593 {
5594         struct rte_eth_dev *dev;
5595
5596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5597         dev = &rte_eth_devices[port_id];
5598
5599         if (info == NULL) {
5600                 RTE_ETHDEV_LOG(ERR,
5601                         "Cannot get ethdev port %u register info to NULL\n",
5602                         port_id);
5603                 return -EINVAL;
5604         }
5605
5606         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5607         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5608 }
5609
5610 int
5611 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5612 {
5613         struct rte_eth_dev *dev;
5614
5615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5616         dev = &rte_eth_devices[port_id];
5617
5618         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5619         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5620 }
5621
5622 int
5623 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5624 {
5625         struct rte_eth_dev *dev;
5626
5627         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5628         dev = &rte_eth_devices[port_id];
5629
5630         if (info == NULL) {
5631                 RTE_ETHDEV_LOG(ERR,
5632                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5633                         port_id);
5634                 return -EINVAL;
5635         }
5636
5637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5638         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5639 }
5640
5641 int
5642 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5643 {
5644         struct rte_eth_dev *dev;
5645
5646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5647         dev = &rte_eth_devices[port_id];
5648
5649         if (info == NULL) {
5650                 RTE_ETHDEV_LOG(ERR,
5651                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5652                         port_id);
5653                 return -EINVAL;
5654         }
5655
5656         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5657         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5658 }
5659
5660 int
5661 rte_eth_dev_get_module_info(uint16_t port_id,
5662                             struct rte_eth_dev_module_info *modinfo)
5663 {
5664         struct rte_eth_dev *dev;
5665
5666         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5667         dev = &rte_eth_devices[port_id];
5668
5669         if (modinfo == NULL) {
5670                 RTE_ETHDEV_LOG(ERR,
5671                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5672                         port_id);
5673                 return -EINVAL;
5674         }
5675
5676         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5677         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5678 }
5679
5680 int
5681 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5682                               struct rte_dev_eeprom_info *info)
5683 {
5684         struct rte_eth_dev *dev;
5685
5686         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5687         dev = &rte_eth_devices[port_id];
5688
5689         if (info == NULL) {
5690                 RTE_ETHDEV_LOG(ERR,
5691                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5692                         port_id);
5693                 return -EINVAL;
5694         }
5695
5696         if (info->data == NULL) {
5697                 RTE_ETHDEV_LOG(ERR,
5698                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5699                         port_id);
5700                 return -EINVAL;
5701         }
5702
5703         if (info->length == 0) {
5704                 RTE_ETHDEV_LOG(ERR,
5705                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5706                         port_id);
5707                 return -EINVAL;
5708         }
5709
5710         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5711         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5712 }
5713
5714 int
5715 rte_eth_dev_get_dcb_info(uint16_t port_id,
5716                              struct rte_eth_dcb_info *dcb_info)
5717 {
5718         struct rte_eth_dev *dev;
5719
5720         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5721         dev = &rte_eth_devices[port_id];
5722
5723         if (dcb_info == NULL) {
5724                 RTE_ETHDEV_LOG(ERR,
5725                         "Cannot get ethdev port %u DCB info to NULL\n",
5726                         port_id);
5727                 return -EINVAL;
5728         }
5729
5730         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5731
5732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5733         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5734 }
5735
5736 static void
5737 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5738                 const struct rte_eth_desc_lim *desc_lim)
5739 {
5740         if (desc_lim->nb_align != 0)
5741                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5742
5743         if (desc_lim->nb_max != 0)
5744                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5745
5746         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5747 }
5748
5749 int
5750 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5751                                  uint16_t *nb_rx_desc,
5752                                  uint16_t *nb_tx_desc)
5753 {
5754         struct rte_eth_dev_info dev_info;
5755         int ret;
5756
5757         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5758
5759         ret = rte_eth_dev_info_get(port_id, &dev_info);
5760         if (ret != 0)
5761                 return ret;
5762
5763         if (nb_rx_desc != NULL)
5764                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5765
5766         if (nb_tx_desc != NULL)
5767                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5768
5769         return 0;
5770 }
5771
5772 int
5773 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5774                                    struct rte_eth_hairpin_cap *cap)
5775 {
5776         struct rte_eth_dev *dev;
5777
5778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5779         dev = &rte_eth_devices[port_id];
5780
5781         if (cap == NULL) {
5782                 RTE_ETHDEV_LOG(ERR,
5783                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5784                         port_id);
5785                 return -EINVAL;
5786         }
5787
5788         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5789         memset(cap, 0, sizeof(*cap));
5790         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5791 }
5792
5793 int
5794 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5795 {
5796         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5797                 return 1;
5798         return 0;
5799 }
5800
5801 int
5802 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5803 {
5804         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5805                 return 1;
5806         return 0;
5807 }
5808
5809 int
5810 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5811 {
5812         struct rte_eth_dev *dev;
5813
5814         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5815         dev = &rte_eth_devices[port_id];
5816
5817         if (pool == NULL) {
5818                 RTE_ETHDEV_LOG(ERR,
5819                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5820                         port_id);
5821                 return -EINVAL;
5822         }
5823
5824         if (*dev->dev_ops->pool_ops_supported == NULL)
5825                 return 1; /* all pools are supported */
5826
5827         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5828 }
5829
5830 /**
5831  * A set of values to describe the possible states of a switch domain.
5832  */
5833 enum rte_eth_switch_domain_state {
5834         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5835         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5836 };
5837
5838 /**
5839  * Array of switch domains available for allocation. Array is sized to
5840  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5841  * ethdev ports in a single process.
5842  */
5843 static struct rte_eth_dev_switch {
5844         enum rte_eth_switch_domain_state state;
5845 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5846
5847 int
5848 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5849 {
5850         uint16_t i;
5851
5852         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5853
5854         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5855                 if (eth_dev_switch_domains[i].state ==
5856                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5857                         eth_dev_switch_domains[i].state =
5858                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5859                         *domain_id = i;
5860                         return 0;
5861                 }
5862         }
5863
5864         return -ENOSPC;
5865 }
5866
5867 int
5868 rte_eth_switch_domain_free(uint16_t domain_id)
5869 {
5870         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5871                 domain_id >= RTE_MAX_ETHPORTS)
5872                 return -EINVAL;
5873
5874         if (eth_dev_switch_domains[domain_id].state !=
5875                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5876                 return -EINVAL;
5877
5878         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5879
5880         return 0;
5881 }
5882
5883 static int
5884 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5885 {
5886         int state;
5887         struct rte_kvargs_pair *pair;
5888         char *letter;
5889
5890         arglist->str = strdup(str_in);
5891         if (arglist->str == NULL)
5892                 return -ENOMEM;
5893
5894         letter = arglist->str;
5895         state = 0;
5896         arglist->count = 0;
5897         pair = &arglist->pairs[0];
5898         while (1) {
5899                 switch (state) {
5900                 case 0: /* Initial */
5901                         if (*letter == '=')
5902                                 return -EINVAL;
5903                         else if (*letter == '\0')
5904                                 return 0;
5905
5906                         state = 1;
5907                         pair->key = letter;
5908                         /* fall-thru */
5909
5910                 case 1: /* Parsing key */
5911                         if (*letter == '=') {
5912                                 *letter = '\0';
5913                                 pair->value = letter + 1;
5914                                 state = 2;
5915                         } else if (*letter == ',' || *letter == '\0')
5916                                 return -EINVAL;
5917                         break;
5918
5919
5920                 case 2: /* Parsing value */
5921                         if (*letter == '[')
5922                                 state = 3;
5923                         else if (*letter == ',') {
5924                                 *letter = '\0';
5925                                 arglist->count++;
5926                                 pair = &arglist->pairs[arglist->count];
5927                                 state = 0;
5928                         } else if (*letter == '\0') {
5929                                 letter--;
5930                                 arglist->count++;
5931                                 pair = &arglist->pairs[arglist->count];
5932                                 state = 0;
5933                         }
5934                         break;
5935
5936                 case 3: /* Parsing list */
5937                         if (*letter == ']')
5938                                 state = 2;
5939                         else if (*letter == '\0')
5940                                 return -EINVAL;
5941                         break;
5942                 }
5943                 letter++;
5944         }
5945 }
5946
5947 int
5948 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5949 {
5950         struct rte_kvargs args;
5951         struct rte_kvargs_pair *pair;
5952         unsigned int i;
5953         int result = 0;
5954
5955         memset(eth_da, 0, sizeof(*eth_da));
5956
5957         result = eth_dev_devargs_tokenise(&args, dargs);
5958         if (result < 0)
5959                 goto parse_cleanup;
5960
5961         for (i = 0; i < args.count; i++) {
5962                 pair = &args.pairs[i];
5963                 if (strcmp("representor", pair->key) == 0) {
5964                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5965                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5966                                         dargs);
5967                                 result = -1;
5968                                 goto parse_cleanup;
5969                         }
5970                         result = rte_eth_devargs_parse_representor_ports(
5971                                         pair->value, eth_da);
5972                         if (result < 0)
5973                                 goto parse_cleanup;
5974                 }
5975         }
5976
5977 parse_cleanup:
5978         if (args.str)
5979                 free(args.str);
5980
5981         return result;
5982 }
5983
5984 int
5985 rte_eth_representor_id_get(const struct rte_eth_dev *ethdev,
5986                            enum rte_eth_representor_type type,
5987                            int controller, int pf, int representor_port,
5988                            uint16_t *repr_id)
5989 {
5990         int ret, n, i, count;
5991         struct rte_eth_representor_info *info = NULL;
5992         size_t size;
5993
5994         if (type == RTE_ETH_REPRESENTOR_NONE)
5995                 return 0;
5996         if (repr_id == NULL)
5997                 return -EINVAL;
5998
5999         /* Get PMD representor range info. */
6000         ret = rte_eth_representor_info_get(ethdev->data->port_id, NULL);
6001         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6002             controller == -1 && pf == -1) {
6003                 /* Direct mapping for legacy VF representor. */
6004                 *repr_id = representor_port;
6005                 return 0;
6006         } else if (ret < 0) {
6007                 return ret;
6008         }
6009         n = ret;
6010         size = sizeof(*info) + n * sizeof(info->ranges[0]);
6011         info = calloc(1, size);
6012         if (info == NULL)
6013                 return -ENOMEM;
6014         ret = rte_eth_representor_info_get(ethdev->data->port_id, info);
6015         if (ret < 0)
6016                 goto out;
6017
6018         /* Default controller and pf to caller. */
6019         if (controller == -1)
6020                 controller = info->controller;
6021         if (pf == -1)
6022                 pf = info->pf;
6023
6024         /* Locate representor ID. */
6025         ret = -ENOENT;
6026         for (i = 0; i < n; ++i) {
6027                 if (info->ranges[i].type != type)
6028                         continue;
6029                 if (info->ranges[i].controller != controller)
6030                         continue;
6031                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6032                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6033                                 ethdev->data->port_id, info->ranges[i].id_base,
6034                                 info->ranges[i].id_end, i);
6035                         continue;
6036
6037                 }
6038                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6039                 switch (info->ranges[i].type) {
6040                 case RTE_ETH_REPRESENTOR_PF:
6041                         if (pf < info->ranges[i].pf ||
6042                             pf >= info->ranges[i].pf + count)
6043                                 continue;
6044                         *repr_id = info->ranges[i].id_base +
6045                                    (pf - info->ranges[i].pf);
6046                         ret = 0;
6047                         goto out;
6048                 case RTE_ETH_REPRESENTOR_VF:
6049                         if (info->ranges[i].pf != pf)
6050                                 continue;
6051                         if (representor_port < info->ranges[i].vf ||
6052                             representor_port >= info->ranges[i].vf + count)
6053                                 continue;
6054                         *repr_id = info->ranges[i].id_base +
6055                                    (representor_port - info->ranges[i].vf);
6056                         ret = 0;
6057                         goto out;
6058                 case RTE_ETH_REPRESENTOR_SF:
6059                         if (info->ranges[i].pf != pf)
6060                                 continue;
6061                         if (representor_port < info->ranges[i].sf ||
6062                             representor_port >= info->ranges[i].sf + count)
6063                                 continue;
6064                         *repr_id = info->ranges[i].id_base +
6065                               (representor_port - info->ranges[i].sf);
6066                         ret = 0;
6067                         goto out;
6068                 default:
6069                         break;
6070                 }
6071         }
6072 out:
6073         free(info);
6074         return ret;
6075 }
6076
6077 static int
6078 eth_dev_handle_port_list(const char *cmd __rte_unused,
6079                 const char *params __rte_unused,
6080                 struct rte_tel_data *d)
6081 {
6082         int port_id;
6083
6084         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6085         RTE_ETH_FOREACH_DEV(port_id)
6086                 rte_tel_data_add_array_int(d, port_id);
6087         return 0;
6088 }
6089
6090 static void
6091 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6092                 const char *stat_name)
6093 {
6094         int q;
6095         struct rte_tel_data *q_data = rte_tel_data_alloc();
6096         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6097         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6098                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6099         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6100 }
6101
6102 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6103
6104 static int
6105 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6106                 const char *params,
6107                 struct rte_tel_data *d)
6108 {
6109         struct rte_eth_stats stats;
6110         int port_id, ret;
6111
6112         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6113                 return -1;
6114
6115         port_id = atoi(params);
6116         if (!rte_eth_dev_is_valid_port(port_id))
6117                 return -1;
6118
6119         ret = rte_eth_stats_get(port_id, &stats);
6120         if (ret < 0)
6121                 return -1;
6122
6123         rte_tel_data_start_dict(d);
6124         ADD_DICT_STAT(stats, ipackets);
6125         ADD_DICT_STAT(stats, opackets);
6126         ADD_DICT_STAT(stats, ibytes);
6127         ADD_DICT_STAT(stats, obytes);
6128         ADD_DICT_STAT(stats, imissed);
6129         ADD_DICT_STAT(stats, ierrors);
6130         ADD_DICT_STAT(stats, oerrors);
6131         ADD_DICT_STAT(stats, rx_nombuf);
6132         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6133         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6134         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6135         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6136         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6137
6138         return 0;
6139 }
6140
6141 static int
6142 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6143                 const char *params,
6144                 struct rte_tel_data *d)
6145 {
6146         struct rte_eth_xstat *eth_xstats;
6147         struct rte_eth_xstat_name *xstat_names;
6148         int port_id, num_xstats;
6149         int i, ret;
6150         char *end_param;
6151
6152         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6153                 return -1;
6154
6155         port_id = strtoul(params, &end_param, 0);
6156         if (*end_param != '\0')
6157                 RTE_ETHDEV_LOG(NOTICE,
6158                         "Extra parameters passed to ethdev telemetry command, ignoring");
6159         if (!rte_eth_dev_is_valid_port(port_id))
6160                 return -1;
6161
6162         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6163         if (num_xstats < 0)
6164                 return -1;
6165
6166         /* use one malloc for both names and stats */
6167         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6168                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6169         if (eth_xstats == NULL)
6170                 return -1;
6171         xstat_names = (void *)&eth_xstats[num_xstats];
6172
6173         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6174         if (ret < 0 || ret > num_xstats) {
6175                 free(eth_xstats);
6176                 return -1;
6177         }
6178
6179         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6180         if (ret < 0 || ret > num_xstats) {
6181                 free(eth_xstats);
6182                 return -1;
6183         }
6184
6185         rte_tel_data_start_dict(d);
6186         for (i = 0; i < num_xstats; i++)
6187                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6188                                 eth_xstats[i].value);
6189         return 0;
6190 }
6191
6192 static int
6193 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6194                 const char *params,
6195                 struct rte_tel_data *d)
6196 {
6197         static const char *status_str = "status";
6198         int ret, port_id;
6199         struct rte_eth_link link;
6200         char *end_param;
6201
6202         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6203                 return -1;
6204
6205         port_id = strtoul(params, &end_param, 0);
6206         if (*end_param != '\0')
6207                 RTE_ETHDEV_LOG(NOTICE,
6208                         "Extra parameters passed to ethdev telemetry command, ignoring");
6209         if (!rte_eth_dev_is_valid_port(port_id))
6210                 return -1;
6211
6212         ret = rte_eth_link_get_nowait(port_id, &link);
6213         if (ret < 0)
6214                 return -1;
6215
6216         rte_tel_data_start_dict(d);
6217         if (!link.link_status) {
6218                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6219                 return 0;
6220         }
6221         rte_tel_data_add_dict_string(d, status_str, "UP");
6222         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6223         rte_tel_data_add_dict_string(d, "duplex",
6224                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6225                                 "full-duplex" : "half-duplex");
6226         return 0;
6227 }
6228
6229 int
6230 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6231                                   struct rte_hairpin_peer_info *cur_info,
6232                                   struct rte_hairpin_peer_info *peer_info,
6233                                   uint32_t direction)
6234 {
6235         struct rte_eth_dev *dev;
6236
6237         /* Current queue information is not mandatory. */
6238         if (peer_info == NULL)
6239                 return -EINVAL;
6240
6241         /* No need to check the validity again. */
6242         dev = &rte_eth_devices[peer_port];
6243         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6244                                 -ENOTSUP);
6245
6246         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6247                                         cur_info, peer_info, direction);
6248 }
6249
6250 int
6251 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6252                                 struct rte_hairpin_peer_info *peer_info,
6253                                 uint32_t direction)
6254 {
6255         struct rte_eth_dev *dev;
6256
6257         if (peer_info == NULL)
6258                 return -EINVAL;
6259
6260         /* No need to check the validity again. */
6261         dev = &rte_eth_devices[cur_port];
6262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6263                                 -ENOTSUP);
6264
6265         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6266                                                         peer_info, direction);
6267 }
6268
6269 int
6270 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6271                                   uint32_t direction)
6272 {
6273         struct rte_eth_dev *dev;
6274
6275         /* No need to check the validity again. */
6276         dev = &rte_eth_devices[cur_port];
6277         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6278                                 -ENOTSUP);
6279
6280         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6281                                                           direction);
6282 }
6283
6284 int
6285 rte_eth_representor_info_get(uint16_t port_id,
6286                              struct rte_eth_representor_info *info)
6287 {
6288         struct rte_eth_dev *dev;
6289
6290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6291         dev = &rte_eth_devices[port_id];
6292
6293         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6294         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6295 }
6296
6297 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6298
6299 RTE_INIT(ethdev_init_telemetry)
6300 {
6301         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6302                         "Returns list of available ethdev ports. Takes no parameters");
6303         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6304                         "Returns the common stats for a port. Parameters: int port_id");
6305         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6306                         "Returns the extended stats for a port. Parameters: int port_id");
6307         rte_telemetry_register_cmd("/ethdev/link_status",
6308                         eth_dev_handle_port_link_status,
6309                         "Returns the link status for a port. Parameters: int port_id");
6310 }