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 /* public fast-path API */
  48 struct rte_eth_fp_ops rte_eth_fp_ops[RTE_MAX_ETHPORTS];
  49
  50 /* spinlock for eth device callbacks */
  51 static rte_spinlock_t eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  52
  53 /* spinlock for add/remove rx callbacks */
  54 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  55
  56 /* spinlock for add/remove tx callbacks */
  57 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /* spinlock for shared data allocation */
  60 static rte_spinlock_t eth_dev_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62 /* store statistics names and its offset in stats structure  */
  63 struct rte_eth_xstats_name_off {
  64         char name[RTE_ETH_XSTATS_NAME_SIZE];
  65         unsigned offset;
  66 };
  67
  68 /* Shared memory between primary and secondary processes. */
  69 static struct {
  70         uint64_t next_owner_id;
  71         rte_spinlock_t ownership_lock;
  72         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  73 } *eth_dev_shared_data;
  74
  75 static const struct rte_eth_xstats_name_off eth_dev_stats_strings[] = {
  76         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  77         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  78         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  79         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  80         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  81         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  82         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  83         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  84                 rx_nombuf)},
  85 };
  86
  87 #define RTE_NB_STATS RTE_DIM(eth_dev_stats_strings)
  88
  89 static const struct rte_eth_xstats_name_off eth_dev_rxq_stats_strings[] = {
  90         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  91         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  92         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  93 };
  94
  95 #define RTE_NB_RXQ_STATS RTE_DIM(eth_dev_rxq_stats_strings)
  96
  97 static const struct rte_eth_xstats_name_off eth_dev_txq_stats_strings[] = {
  98         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
  99         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 100 };
 101 #define RTE_NB_TXQ_STATS RTE_DIM(eth_dev_txq_stats_strings)
 102
 103 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 104         { DEV_RX_OFFLOAD_##_name, #_name }
 105
 106 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)       \
 107         { RTE_ETH_RX_OFFLOAD_##_name, #_name }
 108
 109 static const struct {
 110         uint64_t offload;
 111         const char *name;
 112 } eth_dev_rx_offload_names[] = {
 113         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 114         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 118         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 119         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 122         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 124         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 125         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 126         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 127         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 128         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 129         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 130         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 131         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 132         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
 133 };
 134
 135 #undef RTE_RX_OFFLOAD_BIT2STR
 136 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
 137
 138 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 139         { DEV_TX_OFFLOAD_##_name, #_name }
 140
 141 static const struct {
 142         uint64_t offload;
 143         const char *name;
 144 } eth_dev_tx_offload_names[] = {
 145         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 146         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 150         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 152         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 153         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 154         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 158         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 159         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 160         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 161         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 162         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 163         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 164         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 165         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 166         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 167 };
 168
 169 #undef RTE_TX_OFFLOAD_BIT2STR
 170
 171 /**
 172  * The user application callback description.
 173  *
 174  * It contains callback address to be registered by user application,
 175  * the pointer to the parameters for callback, and the event type.
 176  */
 177 struct rte_eth_dev_callback {
 178         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 179         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 180         void *cb_arg;                           /**< Parameter for callback */
 181         void *ret_param;                        /**< Return parameter */
 182         enum rte_eth_event_type event;          /**< Interrupt event type */
 183         uint32_t active;                        /**< Callback is executing */
 184 };
 185
 186 enum {
 187         STAT_QMAP_TX = 0,
 188         STAT_QMAP_RX
 189 };
 190
 191 int
 192 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 193 {
 194         int ret;
 195         struct rte_devargs devargs;
 196         const char *bus_param_key;
 197         char *bus_str = NULL;
 198         char *cls_str = NULL;
 199         int str_size;
 200
 201         if (iter == NULL) {
 202                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
 203                 return -EINVAL;
 204         }
 205
 206         if (devargs_str == NULL) {
 207                 RTE_ETHDEV_LOG(ERR,
 208                         "Cannot initialize iterator from NULL device description string\n");
 209                 return -EINVAL;
 210         }
 211
 212         memset(iter, 0, sizeof(*iter));
 213         memset(&devargs, 0, sizeof(devargs));
 214
 215         /*
 216          * The devargs string may use various syntaxes:
 217          *   - 0000:08:00.0,representor=[1-3]
 218          *   - pci:0000:06:00.0,representor=[0,5]
 219          *   - class=eth,mac=00:11:22:33:44:55
 220          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 221          */
 222
 223         /*
 224          * Handle pure class filter (i.e. without any bus-level argument),
 225          * from future new syntax.
 226          * rte_devargs_parse() is not yet supporting the new syntax,
 227          * that's why this simple case is temporarily parsed here.
 228          */
 229 #define iter_anybus_str "class=eth,"
 230         if (strncmp(devargs_str, iter_anybus_str,
 231                         strlen(iter_anybus_str)) == 0) {
 232                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 233                 goto end;
 234         }
 235
 236         /* Split bus, device and parameters. */
 237         ret = rte_devargs_parse(&devargs, devargs_str);
 238         if (ret != 0)
 239                 goto error;
 240
 241         /*
 242          * Assume parameters of old syntax can match only at ethdev level.
 243          * Extra parameters will be ignored, thanks to "+" prefix.
 244          */
 245         str_size = strlen(devargs.args) + 2;
 246         cls_str = malloc(str_size);
 247         if (cls_str == NULL) {
 248                 ret = -ENOMEM;
 249                 goto error;
 250         }
 251         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 252         if (ret != str_size - 1) {
 253                 ret = -EINVAL;
 254                 goto error;
 255         }
 256         iter->cls_str = cls_str;
 257
 258         iter->bus = devargs.bus;
 259         if (iter->bus->dev_iterate == NULL) {
 260                 ret = -ENOTSUP;
 261                 goto error;
 262         }
 263
 264         /* Convert bus args to new syntax for use with new API dev_iterate. */
 265         if ((strcmp(iter->bus->name, "vdev") == 0) ||
 266                 (strcmp(iter->bus->name, "fslmc") == 0) ||
 267                 (strcmp(iter->bus->name, "dpaa_bus") == 0)) {
 268                 bus_param_key = "name";
 269         } else if (strcmp(iter->bus->name, "pci") == 0) {
 270                 bus_param_key = "addr";
 271         } else {
 272                 ret = -ENOTSUP;
 273                 goto error;
 274         }
 275         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 276         bus_str = malloc(str_size);
 277         if (bus_str == NULL) {
 278                 ret = -ENOMEM;
 279                 goto error;
 280         }
 281         ret = snprintf(bus_str, str_size, "%s=%s",
 282                         bus_param_key, devargs.name);
 283         if (ret != str_size - 1) {
 284                 ret = -EINVAL;
 285                 goto error;
 286         }
 287         iter->bus_str = bus_str;
 288
 289 end:
 290         iter->cls = rte_class_find_by_name("eth");
 291         rte_devargs_reset(&devargs);
 292         return 0;
 293
 294 error:
 295         if (ret == -ENOTSUP)
 296                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 297                                 iter->bus->name);
 298         rte_devargs_reset(&devargs);
 299         free(bus_str);
 300         free(cls_str);
 301         return ret;
 302 }
 303
 304 uint16_t
 305 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 306 {
 307         if (iter == NULL) {
 308                 RTE_ETHDEV_LOG(ERR,
 309                         "Cannot get next device from NULL iterator\n");
 310                 return RTE_MAX_ETHPORTS;
 311         }
 312
 313         if (iter->cls == NULL) /* invalid ethdev iterator */
 314                 return RTE_MAX_ETHPORTS;
 315
 316         do { /* loop to try all matching rte_device */
 317                 /* If not pure ethdev filter and */
 318                 if (iter->bus != NULL &&
 319                                 /* not in middle of rte_eth_dev iteration, */
 320                                 iter->class_device == NULL) {
 321                         /* get next rte_device to try. */
 322                         iter->device = iter->bus->dev_iterate(
 323                                         iter->device, iter->bus_str, iter);
 324                         if (iter->device == NULL)
 325                                 break; /* no more rte_device candidate */
 326                 }
 327                 /* A device is matching bus part, need to check ethdev part. */
 328                 iter->class_device = iter->cls->dev_iterate(
 329                                 iter->class_device, iter->cls_str, iter);
 330                 if (iter->class_device != NULL)
 331                         return eth_dev_to_id(iter->class_device); /* match */
 332         } while (iter->bus != NULL); /* need to try next rte_device */
 333
 334         /* No more ethdev port to iterate. */
 335         rte_eth_iterator_cleanup(iter);
 336         return RTE_MAX_ETHPORTS;
 337 }
 338
 339 void
 340 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 341 {
 342         if (iter == NULL) {
 343                 RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
 344                 return;
 345         }
 346
 347         if (iter->bus_str == NULL)
 348                 return; /* nothing to free in pure class filter */
 349         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 350         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 351         memset(iter, 0, sizeof(*iter));
 352 }
 353
 354 uint16_t
 355 rte_eth_find_next(uint16_t port_id)
 356 {
 357         while (port_id < RTE_MAX_ETHPORTS &&
 358                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 359                 port_id++;
 360
 361         if (port_id >= RTE_MAX_ETHPORTS)
 362                 return RTE_MAX_ETHPORTS;
 363
 364         return port_id;
 365 }
 366
 367 /*
 368  * Macro to iterate over all valid ports for internal usage.
 369  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 370  */
 371 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 372         for (port_id = rte_eth_find_next(0); \
 373              port_id < RTE_MAX_ETHPORTS; \
 374              port_id = rte_eth_find_next(port_id + 1))
 375
 376 uint16_t
 377 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 378 {
 379         port_id = rte_eth_find_next(port_id);
 380         while (port_id < RTE_MAX_ETHPORTS &&
 381                         rte_eth_devices[port_id].device != parent)
 382                 port_id = rte_eth_find_next(port_id + 1);
 383
 384         return port_id;
 385 }
 386
 387 uint16_t
 388 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 389 {
 390         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 391         return rte_eth_find_next_of(port_id,
 392                         rte_eth_devices[ref_port_id].device);
 393 }
 394
 395 static void
 396 eth_dev_shared_data_prepare(void)
 397 {
 398         const unsigned flags = 0;
 399         const struct rte_memzone *mz;
 400
 401         rte_spinlock_lock(&eth_dev_shared_data_lock);
 402
 403         if (eth_dev_shared_data == NULL) {
 404                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 405                         /* Allocate port data and ownership shared memory. */
 406                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 407                                         sizeof(*eth_dev_shared_data),
 408                                         rte_socket_id(), flags);
 409                 } else
 410                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 411                 if (mz == NULL)
 412                         rte_panic("Cannot allocate ethdev shared data\n");
 413
 414                 eth_dev_shared_data = mz->addr;
 415                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 416                         eth_dev_shared_data->next_owner_id =
 417                                         RTE_ETH_DEV_NO_OWNER + 1;
 418                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
 419                         memset(eth_dev_shared_data->data, 0,
 420                                sizeof(eth_dev_shared_data->data));
 421                 }
 422         }
 423
 424         rte_spinlock_unlock(&eth_dev_shared_data_lock);
 425 }
 426
 427 static bool
 428 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
 429 {
 430         return ethdev->data->name[0] != '\0';
 431 }
 432
 433 static struct rte_eth_dev *
 434 eth_dev_allocated(const char *name)
 435 {
 436         uint16_t i;
 437
 438         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
 439
 440         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 441                 if (rte_eth_devices[i].data != NULL &&
 442                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 443                         return &rte_eth_devices[i];
 444         }
 445         return NULL;
 446 }
 447
 448 struct rte_eth_dev *
 449 rte_eth_dev_allocated(const char *name)
 450 {
 451         struct rte_eth_dev *ethdev;
 452
 453         eth_dev_shared_data_prepare();
 454
 455         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 456
 457         ethdev = eth_dev_allocated(name);
 458
 459         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 460
 461         return ethdev;
 462 }
 463
 464 static uint16_t
 465 eth_dev_find_free_port(void)
 466 {
 467         uint16_t i;
 468
 469         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 470                 /* Using shared name field to find a free port. */
 471                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
 472                         RTE_ASSERT(rte_eth_devices[i].state ==
 473                                    RTE_ETH_DEV_UNUSED);
 474                         return i;
 475                 }
 476         }
 477         return RTE_MAX_ETHPORTS;
 478 }
 479
 480 static struct rte_eth_dev *
 481 eth_dev_get(uint16_t port_id)
 482 {
 483         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 484
 485         eth_dev->data = &eth_dev_shared_data->data[port_id];
 486
 487         return eth_dev;
 488 }
 489
 490 struct rte_eth_dev *
 491 rte_eth_dev_allocate(const char *name)
 492 {
 493         uint16_t port_id;
 494         struct rte_eth_dev *eth_dev = NULL;
 495         size_t name_len;
 496
 497         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 498         if (name_len == 0) {
 499                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 500                 return NULL;
 501         }
 502
 503         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 504                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 505                 return NULL;
 506         }
 507
 508         eth_dev_shared_data_prepare();
 509
 510         /* Synchronize port creation between primary and secondary threads. */
 511         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 512
 513         if (eth_dev_allocated(name) != NULL) {
 514                 RTE_ETHDEV_LOG(ERR,
 515                         "Ethernet device with name %s already allocated\n",
 516                         name);
 517                 goto unlock;
 518         }
 519
 520         port_id = eth_dev_find_free_port();
 521         if (port_id == RTE_MAX_ETHPORTS) {
 522                 RTE_ETHDEV_LOG(ERR,
 523                         "Reached maximum number of Ethernet ports\n");
 524                 goto unlock;
 525         }
 526
 527         eth_dev = eth_dev_get(port_id);
 528         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 529         eth_dev->data->port_id = port_id;
 530         eth_dev->data->backer_port_id = RTE_MAX_ETHPORTS;
 531         eth_dev->data->mtu = RTE_ETHER_MTU;
 532         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 533
 534 unlock:
 535         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 536
 537         return eth_dev;
 538 }
 539
 540 /*
 541  * Attach to a port already registered by the primary process, which
 542  * makes sure that the same device would have the same port id both
 543  * in the primary and secondary process.
 544  */
 545 struct rte_eth_dev *
 546 rte_eth_dev_attach_secondary(const char *name)
 547 {
 548         uint16_t i;
 549         struct rte_eth_dev *eth_dev = NULL;
 550
 551         eth_dev_shared_data_prepare();
 552
 553         /* Synchronize port attachment to primary port creation and release. */
 554         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 555
 556         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 557                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
 558                         break;
 559         }
 560         if (i == RTE_MAX_ETHPORTS) {
 561                 RTE_ETHDEV_LOG(ERR,
 562                         "Device %s is not driven by the primary process\n",
 563                         name);
 564         } else {
 565                 eth_dev = eth_dev_get(i);
 566                 RTE_ASSERT(eth_dev->data->port_id == i);
 567         }
 568
 569         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 570         return eth_dev;
 571 }
 572
 573 int
 574 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 575 {
 576         if (eth_dev == NULL)
 577                 return -EINVAL;
 578
 579         eth_dev_shared_data_prepare();
 580
 581         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 582                 rte_eth_dev_callback_process(eth_dev,
 583                                 RTE_ETH_EVENT_DESTROY, NULL);
 584
 585         eth_dev_fp_ops_reset(rte_eth_fp_ops + eth_dev->data->port_id);
 586
 587         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 588
 589         eth_dev->state = RTE_ETH_DEV_UNUSED;
 590         eth_dev->device = NULL;
 591         eth_dev->process_private = NULL;
 592         eth_dev->intr_handle = NULL;
 593         eth_dev->rx_pkt_burst = NULL;
 594         eth_dev->tx_pkt_burst = NULL;
 595         eth_dev->tx_pkt_prepare = NULL;
 596         eth_dev->rx_queue_count = NULL;
 597         eth_dev->rx_descriptor_status = NULL;
 598         eth_dev->tx_descriptor_status = NULL;
 599         eth_dev->dev_ops = NULL;
 600
 601         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 602                 rte_free(eth_dev->data->rx_queues);
 603                 rte_free(eth_dev->data->tx_queues);
 604                 rte_free(eth_dev->data->mac_addrs);
 605                 rte_free(eth_dev->data->hash_mac_addrs);
 606                 rte_free(eth_dev->data->dev_private);
 607                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 608                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 609         }
 610
 611         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 612
 613         return 0;
 614 }
 615
 616 int
 617 rte_eth_dev_is_valid_port(uint16_t port_id)
 618 {
 619         if (port_id >= RTE_MAX_ETHPORTS ||
 620             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 621                 return 0;
 622         else
 623                 return 1;
 624 }
 625
 626 static int
 627 eth_is_valid_owner_id(uint64_t owner_id)
 628 {
 629         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 630             eth_dev_shared_data->next_owner_id <= owner_id)
 631                 return 0;
 632         return 1;
 633 }
 634
 635 uint64_t
 636 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 637 {
 638         port_id = rte_eth_find_next(port_id);
 639         while (port_id < RTE_MAX_ETHPORTS &&
 640                         rte_eth_devices[port_id].data->owner.id != owner_id)
 641                 port_id = rte_eth_find_next(port_id + 1);
 642
 643         return port_id;
 644 }
 645
 646 int
 647 rte_eth_dev_owner_new(uint64_t *owner_id)
 648 {
 649         if (owner_id == NULL) {
 650                 RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
 651                 return -EINVAL;
 652         }
 653
 654         eth_dev_shared_data_prepare();
 655
 656         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 657
 658         *owner_id = eth_dev_shared_data->next_owner_id++;
 659
 660         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 661         return 0;
 662 }
 663
 664 static int
 665 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 666                        const struct rte_eth_dev_owner *new_owner)
 667 {
 668         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 669         struct rte_eth_dev_owner *port_owner;
 670
 671         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 672                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 673                         port_id);
 674                 return -ENODEV;
 675         }
 676
 677         if (new_owner == NULL) {
 678                 RTE_ETHDEV_LOG(ERR,
 679                         "Cannot set ethdev port %u owner from NULL owner\n",
 680                         port_id);
 681                 return -EINVAL;
 682         }
 683
 684         if (!eth_is_valid_owner_id(new_owner->id) &&
 685             !eth_is_valid_owner_id(old_owner_id)) {
 686                 RTE_ETHDEV_LOG(ERR,
 687                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 688                        old_owner_id, new_owner->id);
 689                 return -EINVAL;
 690         }
 691
 692         port_owner = &rte_eth_devices[port_id].data->owner;
 693         if (port_owner->id != old_owner_id) {
 694                 RTE_ETHDEV_LOG(ERR,
 695                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 696                         port_id, port_owner->name, port_owner->id);
 697                 return -EPERM;
 698         }
 699
 700         /* can not truncate (same structure) */
 701         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 702
 703         port_owner->id = new_owner->id;
 704
 705         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 706                 port_id, new_owner->name, new_owner->id);
 707
 708         return 0;
 709 }
 710
 711 int
 712 rte_eth_dev_owner_set(const uint16_t port_id,
 713                       const struct rte_eth_dev_owner *owner)
 714 {
 715         int ret;
 716
 717         eth_dev_shared_data_prepare();
 718
 719         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 720
 721         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 722
 723         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 724         return ret;
 725 }
 726
 727 int
 728 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 729 {
 730         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 731                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 732         int ret;
 733
 734         eth_dev_shared_data_prepare();
 735
 736         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 737
 738         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
 739
 740         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 741         return ret;
 742 }
 743
 744 int
 745 rte_eth_dev_owner_delete(const uint64_t owner_id)
 746 {
 747         uint16_t port_id;
 748         int ret = 0;
 749
 750         eth_dev_shared_data_prepare();
 751
 752         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 753
 754         if (eth_is_valid_owner_id(owner_id)) {
 755                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 756                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 757                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 758                                        sizeof(struct rte_eth_dev_owner));
 759                 RTE_ETHDEV_LOG(NOTICE,
 760                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 761                         owner_id);
 762         } else {
 763                 RTE_ETHDEV_LOG(ERR,
 764                                "Invalid owner id=%016"PRIx64"\n",
 765                                owner_id);
 766                 ret = -EINVAL;
 767         }
 768
 769         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 770
 771         return ret;
 772 }
 773
 774 int
 775 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 776 {
 777         struct rte_eth_dev *ethdev;
 778
 779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 780         ethdev = &rte_eth_devices[port_id];
 781
 782         if (!eth_dev_is_allocated(ethdev)) {
 783                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 784                         port_id);
 785                 return -ENODEV;
 786         }
 787
 788         if (owner == NULL) {
 789                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
 790                         port_id);
 791                 return -EINVAL;
 792         }
 793
 794         eth_dev_shared_data_prepare();
 795
 796         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 797         rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 798         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 799
 800         return 0;
 801 }
 802
 803 int
 804 rte_eth_dev_socket_id(uint16_t port_id)
 805 {
 806         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 807         return rte_eth_devices[port_id].data->numa_node;
 808 }
 809
 810 void *
 811 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 812 {
 813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 814         return rte_eth_devices[port_id].security_ctx;
 815 }
 816
 817 uint16_t
 818 rte_eth_dev_count_avail(void)
 819 {
 820         uint16_t p;
 821         uint16_t count;
 822
 823         count = 0;
 824
 825         RTE_ETH_FOREACH_DEV(p)
 826                 count++;
 827
 828         return count;
 829 }
 830
 831 uint16_t
 832 rte_eth_dev_count_total(void)
 833 {
 834         uint16_t port, count = 0;
 835
 836         RTE_ETH_FOREACH_VALID_DEV(port)
 837                 count++;
 838
 839         return count;
 840 }
 841
 842 int
 843 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 844 {
 845         char *tmp;
 846
 847         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 848
 849         if (name == NULL) {
 850                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
 851                         port_id);
 852                 return -EINVAL;
 853         }
 854
 855         /* shouldn't check 'rte_eth_devices[i].data',
 856          * because it might be overwritten by VDEV PMD */
 857         tmp = eth_dev_shared_data->data[port_id].name;
 858         strcpy(name, tmp);
 859         return 0;
 860 }
 861
 862 int
 863 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 864 {
 865         uint16_t pid;
 866
 867         if (name == NULL) {
 868                 RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
 869                 return -EINVAL;
 870         }
 871
 872         if (port_id == NULL) {
 873                 RTE_ETHDEV_LOG(ERR,
 874                         "Cannot get port ID to NULL for %s\n", name);
 875                 return -EINVAL;
 876         }
 877
 878         RTE_ETH_FOREACH_VALID_DEV(pid)
 879                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
 880                         *port_id = pid;
 881                         return 0;
 882                 }
 883
 884         return -ENODEV;
 885 }
 886
 887 static int
 888 eth_err(uint16_t port_id, int ret)
 889 {
 890         if (ret == 0)
 891                 return 0;
 892         if (rte_eth_dev_is_removed(port_id))
 893                 return -EIO;
 894         return ret;
 895 }
 896
 897 static void
 898 eth_dev_rxq_release(struct rte_eth_dev *dev, uint16_t qid)
 899 {
 900         void **rxq = dev->data->rx_queues;
 901
 902         if (rxq[qid] == NULL)
 903                 return;
 904
 905         if (dev->dev_ops->rx_queue_release != NULL)
 906                 (*dev->dev_ops->rx_queue_release)(dev, qid);
 907         rxq[qid] = NULL;
 908 }
 909
 910 static void
 911 eth_dev_txq_release(struct rte_eth_dev *dev, uint16_t qid)
 912 {
 913         void **txq = dev->data->tx_queues;
 914
 915         if (txq[qid] == NULL)
 916                 return;
 917
 918         if (dev->dev_ops->tx_queue_release != NULL)
 919                 (*dev->dev_ops->tx_queue_release)(dev, qid);
 920         txq[qid] = NULL;
 921 }
 922
 923 static int
 924 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 925 {
 926         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 927         unsigned i;
 928
 929         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 930                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 931                                 sizeof(dev->data->rx_queues[0]) *
 932                                 RTE_MAX_QUEUES_PER_PORT,
 933                                 RTE_CACHE_LINE_SIZE);
 934                 if (dev->data->rx_queues == NULL) {
 935                         dev->data->nb_rx_queues = 0;
 936                         return -(ENOMEM);
 937                 }
 938         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 939                 for (i = nb_queues; i < old_nb_queues; i++)
 940                         eth_dev_rxq_release(dev, i);
 941
 942         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 943                 for (i = nb_queues; i < old_nb_queues; i++)
 944                         eth_dev_rxq_release(dev, i);
 945
 946                 rte_free(dev->data->rx_queues);
 947                 dev->data->rx_queues = NULL;
 948         }
 949         dev->data->nb_rx_queues = nb_queues;
 950         return 0;
 951 }
 952
 953 static int
 954 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 955 {
 956         uint16_t port_id;
 957
 958         if (rx_queue_id >= dev->data->nb_rx_queues) {
 959                 port_id = dev->data->port_id;
 960                 RTE_ETHDEV_LOG(ERR,
 961                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 962                                rx_queue_id, port_id);
 963                 return -EINVAL;
 964         }
 965
 966         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 967                 port_id = dev->data->port_id;
 968                 RTE_ETHDEV_LOG(ERR,
 969                                "Queue %u of device with port_id=%u has not been setup\n",
 970                                rx_queue_id, port_id);
 971                 return -EINVAL;
 972         }
 973
 974         return 0;
 975 }
 976
 977 static int
 978 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 979 {
 980         uint16_t port_id;
 981
 982         if (tx_queue_id >= dev->data->nb_tx_queues) {
 983                 port_id = dev->data->port_id;
 984                 RTE_ETHDEV_LOG(ERR,
 985                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 986                                tx_queue_id, port_id);
 987                 return -EINVAL;
 988         }
 989
 990         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 991                 port_id = dev->data->port_id;
 992                 RTE_ETHDEV_LOG(ERR,
 993                                "Queue %u of device with port_id=%u has not been setup\n",
 994                                tx_queue_id, port_id);
 995                 return -EINVAL;
 996         }
 997
 998         return 0;
 999 }
1000
1001 int
1002 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
1003 {
1004         struct rte_eth_dev *dev;
1005         int ret;
1006
1007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1008         dev = &rte_eth_devices[port_id];
1009
1010         if (!dev->data->dev_started) {
1011                 RTE_ETHDEV_LOG(ERR,
1012                         "Port %u must be started before start any queue\n",
1013                         port_id);
1014                 return -EINVAL;
1015         }
1016
1017         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1018         if (ret != 0)
1019                 return ret;
1020
1021         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1022
1023         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1024                 RTE_ETHDEV_LOG(INFO,
1025                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1026                         rx_queue_id, port_id);
1027                 return -EINVAL;
1028         }
1029
1030         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1031                 RTE_ETHDEV_LOG(INFO,
1032                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1033                         rx_queue_id, port_id);
1034                 return 0;
1035         }
1036
1037         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1038 }
1039
1040 int
1041 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1042 {
1043         struct rte_eth_dev *dev;
1044         int ret;
1045
1046         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1047         dev = &rte_eth_devices[port_id];
1048
1049         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1050         if (ret != 0)
1051                 return ret;
1052
1053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1054
1055         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1056                 RTE_ETHDEV_LOG(INFO,
1057                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1058                         rx_queue_id, port_id);
1059                 return -EINVAL;
1060         }
1061
1062         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1063                 RTE_ETHDEV_LOG(INFO,
1064                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1065                         rx_queue_id, port_id);
1066                 return 0;
1067         }
1068
1069         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1070 }
1071
1072 int
1073 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1074 {
1075         struct rte_eth_dev *dev;
1076         int ret;
1077
1078         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1079         dev = &rte_eth_devices[port_id];
1080
1081         if (!dev->data->dev_started) {
1082                 RTE_ETHDEV_LOG(ERR,
1083                         "Port %u must be started before start any queue\n",
1084                         port_id);
1085                 return -EINVAL;
1086         }
1087
1088         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1089         if (ret != 0)
1090                 return ret;
1091
1092         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1093
1094         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1095                 RTE_ETHDEV_LOG(INFO,
1096                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1097                         tx_queue_id, port_id);
1098                 return -EINVAL;
1099         }
1100
1101         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1102                 RTE_ETHDEV_LOG(INFO,
1103                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1104                         tx_queue_id, port_id);
1105                 return 0;
1106         }
1107
1108         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1109 }
1110
1111 int
1112 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1113 {
1114         struct rte_eth_dev *dev;
1115         int ret;
1116
1117         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1118         dev = &rte_eth_devices[port_id];
1119
1120         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1121         if (ret != 0)
1122                 return ret;
1123
1124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1125
1126         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1127                 RTE_ETHDEV_LOG(INFO,
1128                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1129                         tx_queue_id, port_id);
1130                 return -EINVAL;
1131         }
1132
1133         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1134                 RTE_ETHDEV_LOG(INFO,
1135                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1136                         tx_queue_id, port_id);
1137                 return 0;
1138         }
1139
1140         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1141 }
1142
1143 static int
1144 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1145 {
1146         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1147         unsigned i;
1148
1149         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1150                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1151                                 sizeof(dev->data->tx_queues[0]) *
1152                                 RTE_MAX_QUEUES_PER_PORT,
1153                                 RTE_CACHE_LINE_SIZE);
1154                 if (dev->data->tx_queues == NULL) {
1155                         dev->data->nb_tx_queues = 0;
1156                         return -(ENOMEM);
1157                 }
1158         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1159                 for (i = nb_queues; i < old_nb_queues; i++)
1160                         eth_dev_txq_release(dev, i);
1161
1162         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1163                 for (i = nb_queues; i < old_nb_queues; i++)
1164                         eth_dev_txq_release(dev, i);
1165
1166                 rte_free(dev->data->tx_queues);
1167                 dev->data->tx_queues = NULL;
1168         }
1169         dev->data->nb_tx_queues = nb_queues;
1170         return 0;
1171 }
1172
1173 uint32_t
1174 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1175 {
1176         switch (speed) {
1177         case ETH_SPEED_NUM_10M:
1178                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1179         case ETH_SPEED_NUM_100M:
1180                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1181         case ETH_SPEED_NUM_1G:
1182                 return ETH_LINK_SPEED_1G;
1183         case ETH_SPEED_NUM_2_5G:
1184                 return ETH_LINK_SPEED_2_5G;
1185         case ETH_SPEED_NUM_5G:
1186                 return ETH_LINK_SPEED_5G;
1187         case ETH_SPEED_NUM_10G:
1188                 return ETH_LINK_SPEED_10G;
1189         case ETH_SPEED_NUM_20G:
1190                 return ETH_LINK_SPEED_20G;
1191         case ETH_SPEED_NUM_25G:
1192                 return ETH_LINK_SPEED_25G;
1193         case ETH_SPEED_NUM_40G:
1194                 return ETH_LINK_SPEED_40G;
1195         case ETH_SPEED_NUM_50G:
1196                 return ETH_LINK_SPEED_50G;
1197         case ETH_SPEED_NUM_56G:
1198                 return ETH_LINK_SPEED_56G;
1199         case ETH_SPEED_NUM_100G:
1200                 return ETH_LINK_SPEED_100G;
1201         case ETH_SPEED_NUM_200G:
1202                 return ETH_LINK_SPEED_200G;
1203         default:
1204                 return 0;
1205         }
1206 }
1207
1208 const char *
1209 rte_eth_dev_rx_offload_name(uint64_t offload)
1210 {
1211         const char *name = "UNKNOWN";
1212         unsigned int i;
1213
1214         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1215                 if (offload == eth_dev_rx_offload_names[i].offload) {
1216                         name = eth_dev_rx_offload_names[i].name;
1217                         break;
1218                 }
1219         }
1220
1221         return name;
1222 }
1223
1224 const char *
1225 rte_eth_dev_tx_offload_name(uint64_t offload)
1226 {
1227         const char *name = "UNKNOWN";
1228         unsigned int i;
1229
1230         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1231                 if (offload == eth_dev_tx_offload_names[i].offload) {
1232                         name = eth_dev_tx_offload_names[i].name;
1233                         break;
1234                 }
1235         }
1236
1237         return name;
1238 }
1239
1240 static inline int
1241 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1242                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1243 {
1244         int ret = 0;
1245
1246         if (dev_info_size == 0) {
1247                 if (config_size != max_rx_pkt_len) {
1248                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1249                                        " %u != %u is not allowed\n",
1250                                        port_id, config_size, max_rx_pkt_len);
1251                         ret = -EINVAL;
1252                 }
1253         } else if (config_size > dev_info_size) {
1254                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1255                                "> max allowed value %u\n", port_id, config_size,
1256                                dev_info_size);
1257                 ret = -EINVAL;
1258         } else if (config_size < RTE_ETHER_MIN_LEN) {
1259                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1260                                "< min allowed value %u\n", port_id, config_size,
1261                                (unsigned int)RTE_ETHER_MIN_LEN);
1262                 ret = -EINVAL;
1263         }
1264         return ret;
1265 }
1266
1267 /*
1268  * Validate offloads that are requested through rte_eth_dev_configure against
1269  * the offloads successfully set by the ethernet device.
1270  *
1271  * @param port_id
1272  *   The port identifier of the Ethernet device.
1273  * @param req_offloads
1274  *   The offloads that have been requested through `rte_eth_dev_configure`.
1275  * @param set_offloads
1276  *   The offloads successfully set by the ethernet device.
1277  * @param offload_type
1278  *   The offload type i.e. Rx/Tx string.
1279  * @param offload_name
1280  *   The function that prints the offload name.
1281  * @return
1282  *   - (0) if validation successful.
1283  *   - (-EINVAL) if requested offload has been silently disabled.
1284  *
1285  */
1286 static int
1287 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1288                   uint64_t set_offloads, const char *offload_type,
1289                   const char *(*offload_name)(uint64_t))
1290 {
1291         uint64_t offloads_diff = req_offloads ^ set_offloads;
1292         uint64_t offload;
1293         int ret = 0;
1294
1295         while (offloads_diff != 0) {
1296                 /* Check if any offload is requested but not enabled. */
1297                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1298                 if (offload & req_offloads) {
1299                         RTE_ETHDEV_LOG(ERR,
1300                                 "Port %u failed to enable %s offload %s\n",
1301                                 port_id, offload_type, offload_name(offload));
1302                         ret = -EINVAL;
1303                 }
1304
1305                 /* Check if offload couldn't be disabled. */
1306                 if (offload & set_offloads) {
1307                         RTE_ETHDEV_LOG(DEBUG,
1308                                 "Port %u %s offload %s is not requested but enabled\n",
1309                                 port_id, offload_type, offload_name(offload));
1310                 }
1311
1312                 offloads_diff &= ~offload;
1313         }
1314
1315         return ret;
1316 }
1317
1318 int
1319 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1320                       const struct rte_eth_conf *dev_conf)
1321 {
1322         struct rte_eth_dev *dev;
1323         struct rte_eth_dev_info dev_info;
1324         struct rte_eth_conf orig_conf;
1325         uint16_t overhead_len;
1326         int diag;
1327         int ret;
1328         uint16_t old_mtu;
1329
1330         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1331         dev = &rte_eth_devices[port_id];
1332
1333         if (dev_conf == NULL) {
1334                 RTE_ETHDEV_LOG(ERR,
1335                         "Cannot configure ethdev port %u from NULL config\n",
1336                         port_id);
1337                 return -EINVAL;
1338         }
1339
1340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1341
1342         if (dev->data->dev_started) {
1343                 RTE_ETHDEV_LOG(ERR,
1344                         "Port %u must be stopped to allow configuration\n",
1345                         port_id);
1346                 return -EBUSY;
1347         }
1348
1349         /*
1350          * Ensure that "dev_configured" is always 0 each time prepare to do
1351          * dev_configure() to avoid any non-anticipated behaviour.
1352          * And set to 1 when dev_configure() is executed successfully.
1353          */
1354         dev->data->dev_configured = 0;
1355
1356          /* Store original config, as rollback required on failure */
1357         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1358
1359         /*
1360          * Copy the dev_conf parameter into the dev structure.
1361          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1362          */
1363         if (dev_conf != &dev->data->dev_conf)
1364                 memcpy(&dev->data->dev_conf, dev_conf,
1365                        sizeof(dev->data->dev_conf));
1366
1367         /* Backup mtu for rollback */
1368         old_mtu = dev->data->mtu;
1369
1370         ret = rte_eth_dev_info_get(port_id, &dev_info);
1371         if (ret != 0)
1372                 goto rollback;
1373
1374         /* Get the real Ethernet overhead length */
1375         if (dev_info.max_mtu != UINT16_MAX &&
1376             dev_info.max_rx_pktlen > dev_info.max_mtu)
1377                 overhead_len = dev_info.max_rx_pktlen - dev_info.max_mtu;
1378         else
1379                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1380
1381         /* If number of queues specified by application for both Rx and Tx is
1382          * zero, use driver preferred values. This cannot be done individually
1383          * as it is valid for either Tx or Rx (but not both) to be zero.
1384          * If driver does not provide any preferred valued, fall back on
1385          * EAL defaults.
1386          */
1387         if (nb_rx_q == 0 && nb_tx_q == 0) {
1388                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1389                 if (nb_rx_q == 0)
1390                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1391                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1392                 if (nb_tx_q == 0)
1393                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1394         }
1395
1396         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1397                 RTE_ETHDEV_LOG(ERR,
1398                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1399                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1400                 ret = -EINVAL;
1401                 goto rollback;
1402         }
1403
1404         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1405                 RTE_ETHDEV_LOG(ERR,
1406                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1407                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1408                 ret = -EINVAL;
1409                 goto rollback;
1410         }
1411
1412         /*
1413          * Check that the numbers of RX and TX queues are not greater
1414          * than the maximum number of RX and TX queues supported by the
1415          * configured device.
1416          */
1417         if (nb_rx_q > dev_info.max_rx_queues) {
1418                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1419                         port_id, nb_rx_q, dev_info.max_rx_queues);
1420                 ret = -EINVAL;
1421                 goto rollback;
1422         }
1423
1424         if (nb_tx_q > dev_info.max_tx_queues) {
1425                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1426                         port_id, nb_tx_q, dev_info.max_tx_queues);
1427                 ret = -EINVAL;
1428                 goto rollback;
1429         }
1430
1431         /* Check that the device supports requested interrupts */
1432         if ((dev_conf->intr_conf.lsc == 1) &&
1433                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1434                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1435                         dev->device->driver->name);
1436                 ret = -EINVAL;
1437                 goto rollback;
1438         }
1439         if ((dev_conf->intr_conf.rmv == 1) &&
1440                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1441                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1442                         dev->device->driver->name);
1443                 ret = -EINVAL;
1444                 goto rollback;
1445         }
1446
1447         /*
1448          * If jumbo frames are enabled, check that the maximum RX packet
1449          * length is supported by the configured device.
1450          */
1451         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1452                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1453                         RTE_ETHDEV_LOG(ERR,
1454                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1455                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1456                                 dev_info.max_rx_pktlen);
1457                         ret = -EINVAL;
1458                         goto rollback;
1459                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1460                         RTE_ETHDEV_LOG(ERR,
1461                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1462                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1463                                 (unsigned int)RTE_ETHER_MIN_LEN);
1464                         ret = -EINVAL;
1465                         goto rollback;
1466                 }
1467
1468                 /* Scale the MTU size to adapt max_rx_pkt_len */
1469                 dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
1470                                 overhead_len;
1471         } else {
1472                 uint16_t pktlen = dev_conf->rxmode.max_rx_pkt_len;
1473                 if (pktlen < RTE_ETHER_MIN_MTU + overhead_len ||
1474                     pktlen > RTE_ETHER_MTU + overhead_len)
1475                         /* Use default value */
1476                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1477                                                 RTE_ETHER_MTU + overhead_len;
1478         }
1479
1480         /*
1481          * If LRO is enabled, check that the maximum aggregated packet
1482          * size is supported by the configured device.
1483          */
1484         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1485                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1486                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1487                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1488                 ret = eth_dev_check_lro_pkt_size(port_id,
1489                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1490                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1491                                 dev_info.max_lro_pkt_size);
1492                 if (ret != 0)
1493                         goto rollback;
1494         }
1495
1496         /* Any requested offloading must be within its device capabilities */
1497         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1498              dev_conf->rxmode.offloads) {
1499                 RTE_ETHDEV_LOG(ERR,
1500                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1501                         "capabilities 0x%"PRIx64" in %s()\n",
1502                         port_id, dev_conf->rxmode.offloads,
1503                         dev_info.rx_offload_capa,
1504                         __func__);
1505                 ret = -EINVAL;
1506                 goto rollback;
1507         }
1508         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1509              dev_conf->txmode.offloads) {
1510                 RTE_ETHDEV_LOG(ERR,
1511                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1512                         "capabilities 0x%"PRIx64" in %s()\n",
1513                         port_id, dev_conf->txmode.offloads,
1514                         dev_info.tx_offload_capa,
1515                         __func__);
1516                 ret = -EINVAL;
1517                 goto rollback;
1518         }
1519
1520         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1521                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1522
1523         /* Check that device supports requested rss hash functions. */
1524         if ((dev_info.flow_type_rss_offloads |
1525              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1526             dev_info.flow_type_rss_offloads) {
1527                 RTE_ETHDEV_LOG(ERR,
1528                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1529                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1530                         dev_info.flow_type_rss_offloads);
1531                 ret = -EINVAL;
1532                 goto rollback;
1533         }
1534
1535         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1536         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1537             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1538                 RTE_ETHDEV_LOG(ERR,
1539                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1540                         port_id,
1541                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1542                 ret = -EINVAL;
1543                 goto rollback;
1544         }
1545
1546         /*
1547          * Setup new number of RX/TX queues and reconfigure device.
1548          */
1549         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1550         if (diag != 0) {
1551                 RTE_ETHDEV_LOG(ERR,
1552                         "Port%u eth_dev_rx_queue_config = %d\n",
1553                         port_id, diag);
1554                 ret = diag;
1555                 goto rollback;
1556         }
1557
1558         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1559         if (diag != 0) {
1560                 RTE_ETHDEV_LOG(ERR,
1561                         "Port%u eth_dev_tx_queue_config = %d\n",
1562                         port_id, diag);
1563                 eth_dev_rx_queue_config(dev, 0);
1564                 ret = diag;
1565                 goto rollback;
1566         }
1567
1568         diag = (*dev->dev_ops->dev_configure)(dev);
1569         if (diag != 0) {
1570                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1571                         port_id, diag);
1572                 ret = eth_err(port_id, diag);
1573                 goto reset_queues;
1574         }
1575
1576         /* Initialize Rx profiling if enabled at compilation time. */
1577         diag = __rte_eth_dev_profile_init(port_id, dev);
1578         if (diag != 0) {
1579                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1580                         port_id, diag);
1581                 ret = eth_err(port_id, diag);
1582                 goto reset_queues;
1583         }
1584
1585         /* Validate Rx offloads. */
1586         diag = eth_dev_validate_offloads(port_id,
1587                         dev_conf->rxmode.offloads,
1588                         dev->data->dev_conf.rxmode.offloads, "Rx",
1589                         rte_eth_dev_rx_offload_name);
1590         if (diag != 0) {
1591                 ret = diag;
1592                 goto reset_queues;
1593         }
1594
1595         /* Validate Tx offloads. */
1596         diag = eth_dev_validate_offloads(port_id,
1597                         dev_conf->txmode.offloads,
1598                         dev->data->dev_conf.txmode.offloads, "Tx",
1599                         rte_eth_dev_tx_offload_name);
1600         if (diag != 0) {
1601                 ret = diag;
1602                 goto reset_queues;
1603         }
1604
1605         dev->data->dev_configured = 1;
1606         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1607         return 0;
1608 reset_queues:
1609         eth_dev_rx_queue_config(dev, 0);
1610         eth_dev_tx_queue_config(dev, 0);
1611 rollback:
1612         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1613         if (old_mtu != dev->data->mtu)
1614                 dev->data->mtu = old_mtu;
1615
1616         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1617         return ret;
1618 }
1619
1620 void
1621 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1622 {
1623         if (dev->data->dev_started) {
1624                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1625                         dev->data->port_id);
1626                 return;
1627         }
1628
1629         eth_dev_rx_queue_config(dev, 0);
1630         eth_dev_tx_queue_config(dev, 0);
1631
1632         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1633 }
1634
1635 static void
1636 eth_dev_mac_restore(struct rte_eth_dev *dev,
1637                         struct rte_eth_dev_info *dev_info)
1638 {
1639         struct rte_ether_addr *addr;
1640         uint16_t i;
1641         uint32_t pool = 0;
1642         uint64_t pool_mask;
1643
1644         /* replay MAC address configuration including default MAC */
1645         addr = &dev->data->mac_addrs[0];
1646         if (*dev->dev_ops->mac_addr_set != NULL)
1647                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1648         else if (*dev->dev_ops->mac_addr_add != NULL)
1649                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1650
1651         if (*dev->dev_ops->mac_addr_add != NULL) {
1652                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1653                         addr = &dev->data->mac_addrs[i];
1654
1655                         /* skip zero address */
1656                         if (rte_is_zero_ether_addr(addr))
1657                                 continue;
1658
1659                         pool = 0;
1660                         pool_mask = dev->data->mac_pool_sel[i];
1661
1662                         do {
1663                                 if (pool_mask & 1ULL)
1664                                         (*dev->dev_ops->mac_addr_add)(dev,
1665                                                 addr, i, pool);
1666                                 pool_mask >>= 1;
1667                                 pool++;
1668                         } while (pool_mask);
1669                 }
1670         }
1671 }
1672
1673 static int
1674 eth_dev_config_restore(struct rte_eth_dev *dev,
1675                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1676 {
1677         int ret;
1678
1679         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1680                 eth_dev_mac_restore(dev, dev_info);
1681
1682         /* replay promiscuous configuration */
1683         /*
1684          * use callbacks directly since we don't need port_id check and
1685          * would like to bypass the same value set
1686          */
1687         if (rte_eth_promiscuous_get(port_id) == 1 &&
1688             *dev->dev_ops->promiscuous_enable != NULL) {
1689                 ret = eth_err(port_id,
1690                               (*dev->dev_ops->promiscuous_enable)(dev));
1691                 if (ret != 0 && ret != -ENOTSUP) {
1692                         RTE_ETHDEV_LOG(ERR,
1693                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1694                                 port_id, rte_strerror(-ret));
1695                         return ret;
1696                 }
1697         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1698                    *dev->dev_ops->promiscuous_disable != NULL) {
1699                 ret = eth_err(port_id,
1700                               (*dev->dev_ops->promiscuous_disable)(dev));
1701                 if (ret != 0 && ret != -ENOTSUP) {
1702                         RTE_ETHDEV_LOG(ERR,
1703                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1704                                 port_id, rte_strerror(-ret));
1705                         return ret;
1706                 }
1707         }
1708
1709         /* replay all multicast configuration */
1710         /*
1711          * use callbacks directly since we don't need port_id check and
1712          * would like to bypass the same value set
1713          */
1714         if (rte_eth_allmulticast_get(port_id) == 1 &&
1715             *dev->dev_ops->allmulticast_enable != NULL) {
1716                 ret = eth_err(port_id,
1717                               (*dev->dev_ops->allmulticast_enable)(dev));
1718                 if (ret != 0 && ret != -ENOTSUP) {
1719                         RTE_ETHDEV_LOG(ERR,
1720                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1721                                 port_id, rte_strerror(-ret));
1722                         return ret;
1723                 }
1724         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1725                    *dev->dev_ops->allmulticast_disable != NULL) {
1726                 ret = eth_err(port_id,
1727                               (*dev->dev_ops->allmulticast_disable)(dev));
1728                 if (ret != 0 && ret != -ENOTSUP) {
1729                         RTE_ETHDEV_LOG(ERR,
1730                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1731                                 port_id, rte_strerror(-ret));
1732                         return ret;
1733                 }
1734         }
1735
1736         return 0;
1737 }
1738
1739 int
1740 rte_eth_dev_start(uint16_t port_id)
1741 {
1742         struct rte_eth_dev *dev;
1743         struct rte_eth_dev_info dev_info;
1744         int diag;
1745         int ret, ret_stop;
1746
1747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1748         dev = &rte_eth_devices[port_id];
1749
1750         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1751
1752         if (dev->data->dev_configured == 0) {
1753                 RTE_ETHDEV_LOG(INFO,
1754                         "Device with port_id=%"PRIu16" is not configured.\n",
1755                         port_id);
1756                 return -EINVAL;
1757         }
1758
1759         if (dev->data->dev_started != 0) {
1760                 RTE_ETHDEV_LOG(INFO,
1761                         "Device with port_id=%"PRIu16" already started\n",
1762                         port_id);
1763                 return 0;
1764         }
1765
1766         ret = rte_eth_dev_info_get(port_id, &dev_info);
1767         if (ret != 0)
1768                 return ret;
1769
1770         /* Lets restore MAC now if device does not support live change */
1771         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1772                 eth_dev_mac_restore(dev, &dev_info);
1773
1774         diag = (*dev->dev_ops->dev_start)(dev);
1775         if (diag == 0)
1776                 dev->data->dev_started = 1;
1777         else
1778                 return eth_err(port_id, diag);
1779
1780         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1781         if (ret != 0) {
1782                 RTE_ETHDEV_LOG(ERR,
1783                         "Error during restoring configuration for device (port %u): %s\n",
1784                         port_id, rte_strerror(-ret));
1785                 ret_stop = rte_eth_dev_stop(port_id);
1786                 if (ret_stop != 0) {
1787                         RTE_ETHDEV_LOG(ERR,
1788                                 "Failed to stop device (port %u): %s\n",
1789                                 port_id, rte_strerror(-ret_stop));
1790                 }
1791
1792                 return ret;
1793         }
1794
1795         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1796                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1797                 (*dev->dev_ops->link_update)(dev, 0);
1798         }
1799
1800         /* expose selection of PMD fast-path functions */
1801         eth_dev_fp_ops_setup(rte_eth_fp_ops + port_id, dev);
1802
1803         rte_ethdev_trace_start(port_id);
1804         return 0;
1805 }
1806
1807 int
1808 rte_eth_dev_stop(uint16_t port_id)
1809 {
1810         struct rte_eth_dev *dev;
1811         int ret;
1812
1813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1814         dev = &rte_eth_devices[port_id];
1815
1816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1817
1818         if (dev->data->dev_started == 0) {
1819                 RTE_ETHDEV_LOG(INFO,
1820                         "Device with port_id=%"PRIu16" already stopped\n",
1821                         port_id);
1822                 return 0;
1823         }
1824
1825         /* point fast-path functions to dummy ones */
1826         eth_dev_fp_ops_reset(rte_eth_fp_ops + port_id);
1827
1828         dev->data->dev_started = 0;
1829         ret = (*dev->dev_ops->dev_stop)(dev);
1830         rte_ethdev_trace_stop(port_id, ret);
1831
1832         return ret;
1833 }
1834
1835 int
1836 rte_eth_dev_set_link_up(uint16_t port_id)
1837 {
1838         struct rte_eth_dev *dev;
1839
1840         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1841         dev = &rte_eth_devices[port_id];
1842
1843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1844         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1845 }
1846
1847 int
1848 rte_eth_dev_set_link_down(uint16_t port_id)
1849 {
1850         struct rte_eth_dev *dev;
1851
1852         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1853         dev = &rte_eth_devices[port_id];
1854
1855         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1856         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1857 }
1858
1859 int
1860 rte_eth_dev_close(uint16_t port_id)
1861 {
1862         struct rte_eth_dev *dev;
1863         int firsterr, binerr;
1864         int *lasterr = &firsterr;
1865
1866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1867         dev = &rte_eth_devices[port_id];
1868
1869         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1870         *lasterr = (*dev->dev_ops->dev_close)(dev);
1871         if (*lasterr != 0)
1872                 lasterr = &binerr;
1873
1874         rte_ethdev_trace_close(port_id);
1875         *lasterr = rte_eth_dev_release_port(dev);
1876
1877         return firsterr;
1878 }
1879
1880 int
1881 rte_eth_dev_reset(uint16_t port_id)
1882 {
1883         struct rte_eth_dev *dev;
1884         int ret;
1885
1886         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1887         dev = &rte_eth_devices[port_id];
1888
1889         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1890
1891         ret = rte_eth_dev_stop(port_id);
1892         if (ret != 0) {
1893                 RTE_ETHDEV_LOG(ERR,
1894                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1895                         port_id, rte_strerror(-ret));
1896         }
1897         ret = dev->dev_ops->dev_reset(dev);
1898
1899         return eth_err(port_id, ret);
1900 }
1901
1902 int
1903 rte_eth_dev_is_removed(uint16_t port_id)
1904 {
1905         struct rte_eth_dev *dev;
1906         int ret;
1907
1908         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1909         dev = &rte_eth_devices[port_id];
1910
1911         if (dev->state == RTE_ETH_DEV_REMOVED)
1912                 return 1;
1913
1914         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1915
1916         ret = dev->dev_ops->is_removed(dev);
1917         if (ret != 0)
1918                 /* Device is physically removed. */
1919                 dev->state = RTE_ETH_DEV_REMOVED;
1920
1921         return ret;
1922 }
1923
1924 static int
1925 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1926                              uint16_t n_seg, uint32_t *mbp_buf_size,
1927                              const struct rte_eth_dev_info *dev_info)
1928 {
1929         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1930         struct rte_mempool *mp_first;
1931         uint32_t offset_mask;
1932         uint16_t seg_idx;
1933
1934         if (n_seg > seg_capa->max_nseg) {
1935                 RTE_ETHDEV_LOG(ERR,
1936                                "Requested Rx segments %u exceed supported %u\n",
1937                                n_seg, seg_capa->max_nseg);
1938                 return -EINVAL;
1939         }
1940         /*
1941          * Check the sizes and offsets against buffer sizes
1942          * for each segment specified in extended configuration.
1943          */
1944         mp_first = rx_seg[0].mp;
1945         offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1946         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1947                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1948                 uint32_t length = rx_seg[seg_idx].length;
1949                 uint32_t offset = rx_seg[seg_idx].offset;
1950
1951                 if (mpl == NULL) {
1952                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1953                         return -EINVAL;
1954                 }
1955                 if (seg_idx != 0 && mp_first != mpl &&
1956                     seg_capa->multi_pools == 0) {
1957                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1958                         return -ENOTSUP;
1959                 }
1960                 if (offset != 0) {
1961                         if (seg_capa->offset_allowed == 0) {
1962                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1963                                 return -ENOTSUP;
1964                         }
1965                         if (offset & offset_mask) {
1966                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1967                                                offset,
1968                                                seg_capa->offset_align_log2);
1969                                 return -EINVAL;
1970                         }
1971                 }
1972                 if (mpl->private_data_size <
1973                         sizeof(struct rte_pktmbuf_pool_private)) {
1974                         RTE_ETHDEV_LOG(ERR,
1975                                        "%s private_data_size %u < %u\n",
1976                                        mpl->name, mpl->private_data_size,
1977                                        (unsigned int)sizeof
1978                                         (struct rte_pktmbuf_pool_private));
1979                         return -ENOSPC;
1980                 }
1981                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1982                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1983                 length = length != 0 ? length : *mbp_buf_size;
1984                 if (*mbp_buf_size < length + offset) {
1985                         RTE_ETHDEV_LOG(ERR,
1986                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1987                                        mpl->name, *mbp_buf_size,
1988                                        length + offset, length, offset);
1989                         return -EINVAL;
1990                 }
1991         }
1992         return 0;
1993 }
1994
1995 int
1996 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1997                        uint16_t nb_rx_desc, unsigned int socket_id,
1998                        const struct rte_eth_rxconf *rx_conf,
1999                        struct rte_mempool *mp)
2000 {
2001         int ret;
2002         uint32_t mbp_buf_size;
2003         struct rte_eth_dev *dev;
2004         struct rte_eth_dev_info dev_info;
2005         struct rte_eth_rxconf local_conf;
2006
2007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2008         dev = &rte_eth_devices[port_id];
2009
2010         if (rx_queue_id >= dev->data->nb_rx_queues) {
2011                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2012                 return -EINVAL;
2013         }
2014
2015         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2016
2017         ret = rte_eth_dev_info_get(port_id, &dev_info);
2018         if (ret != 0)
2019                 return ret;
2020
2021         if (mp != NULL) {
2022                 /* Single pool configuration check. */
2023                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2024                         RTE_ETHDEV_LOG(ERR,
2025                                        "Ambiguous segment configuration\n");
2026                         return -EINVAL;
2027                 }
2028                 /*
2029                  * Check the size of the mbuf data buffer, this value
2030                  * must be provided in the private data of the memory pool.
2031                  * First check that the memory pool(s) has a valid private data.
2032                  */
2033                 if (mp->private_data_size <
2034                                 sizeof(struct rte_pktmbuf_pool_private)) {
2035                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2036                                 mp->name, mp->private_data_size,
2037                                 (unsigned int)
2038                                 sizeof(struct rte_pktmbuf_pool_private));
2039                         return -ENOSPC;
2040                 }
2041                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2042                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2043                                    RTE_PKTMBUF_HEADROOM) {
2044                         RTE_ETHDEV_LOG(ERR,
2045                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2046                                        mp->name, mbp_buf_size,
2047                                        RTE_PKTMBUF_HEADROOM +
2048                                        dev_info.min_rx_bufsize,
2049                                        RTE_PKTMBUF_HEADROOM,
2050                                        dev_info.min_rx_bufsize);
2051                         return -EINVAL;
2052                 }
2053         } else {
2054                 const struct rte_eth_rxseg_split *rx_seg;
2055                 uint16_t n_seg;
2056
2057                 /* Extended multi-segment configuration check. */
2058                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2059                         RTE_ETHDEV_LOG(ERR,
2060                                        "Memory pool is null and no extended configuration provided\n");
2061                         return -EINVAL;
2062                 }
2063
2064                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2065                 n_seg = rx_conf->rx_nseg;
2066
2067                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2068                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2069                                                            &mbp_buf_size,
2070                                                            &dev_info);
2071                         if (ret != 0)
2072                                 return ret;
2073                 } else {
2074                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2075                         return -EINVAL;
2076                 }
2077         }
2078
2079         /* Use default specified by driver, if nb_rx_desc is zero */
2080         if (nb_rx_desc == 0) {
2081                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2082                 /* If driver default is also zero, fall back on EAL default */
2083                 if (nb_rx_desc == 0)
2084                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2085         }
2086
2087         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2088                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2089                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2090
2091                 RTE_ETHDEV_LOG(ERR,
2092                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2093                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2094                         dev_info.rx_desc_lim.nb_min,
2095                         dev_info.rx_desc_lim.nb_align);
2096                 return -EINVAL;
2097         }
2098
2099         if (dev->data->dev_started &&
2100                 !(dev_info.dev_capa &
2101                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2102                 return -EBUSY;
2103
2104         if (dev->data->dev_started &&
2105                 (dev->data->rx_queue_state[rx_queue_id] !=
2106                         RTE_ETH_QUEUE_STATE_STOPPED))
2107                 return -EBUSY;
2108
2109         eth_dev_rxq_release(dev, rx_queue_id);
2110
2111         if (rx_conf == NULL)
2112                 rx_conf = &dev_info.default_rxconf;
2113
2114         local_conf = *rx_conf;
2115
2116         /*
2117          * If an offloading has already been enabled in
2118          * rte_eth_dev_configure(), it has been enabled on all queues,
2119          * so there is no need to enable it in this queue again.
2120          * The local_conf.offloads input to underlying PMD only carries
2121          * those offloadings which are only enabled on this queue and
2122          * not enabled on all queues.
2123          */
2124         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2125
2126         /*
2127          * New added offloadings for this queue are those not enabled in
2128          * rte_eth_dev_configure() and they must be per-queue type.
2129          * A pure per-port offloading can't be enabled on a queue while
2130          * disabled on another queue. A pure per-port offloading can't
2131          * be enabled for any queue as new added one if it hasn't been
2132          * enabled in rte_eth_dev_configure().
2133          */
2134         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2135              local_conf.offloads) {
2136                 RTE_ETHDEV_LOG(ERR,
2137                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2138                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2139                         port_id, rx_queue_id, local_conf.offloads,
2140                         dev_info.rx_queue_offload_capa,
2141                         __func__);
2142                 return -EINVAL;
2143         }
2144
2145         /*
2146          * If LRO is enabled, check that the maximum aggregated packet
2147          * size is supported by the configured device.
2148          */
2149         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2150                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2151                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
2152                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
2153                 int ret = eth_dev_check_lro_pkt_size(port_id,
2154                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2155                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
2156                                 dev_info.max_lro_pkt_size);
2157                 if (ret != 0)
2158                         return ret;
2159         }
2160
2161         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2162                                               socket_id, &local_conf, mp);
2163         if (!ret) {
2164                 if (!dev->data->min_rx_buf_size ||
2165                     dev->data->min_rx_buf_size > mbp_buf_size)
2166                         dev->data->min_rx_buf_size = mbp_buf_size;
2167         }
2168
2169         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2170                 rx_conf, ret);
2171         return eth_err(port_id, ret);
2172 }
2173
2174 int
2175 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2176                                uint16_t nb_rx_desc,
2177                                const struct rte_eth_hairpin_conf *conf)
2178 {
2179         int ret;
2180         struct rte_eth_dev *dev;
2181         struct rte_eth_hairpin_cap cap;
2182         int i;
2183         int count;
2184
2185         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2186         dev = &rte_eth_devices[port_id];
2187
2188         if (rx_queue_id >= dev->data->nb_rx_queues) {
2189                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2190                 return -EINVAL;
2191         }
2192
2193         if (conf == NULL) {
2194                 RTE_ETHDEV_LOG(ERR,
2195                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2196                         port_id);
2197                 return -EINVAL;
2198         }
2199
2200         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2201         if (ret != 0)
2202                 return ret;
2203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2204                                 -ENOTSUP);
2205         /* if nb_rx_desc is zero use max number of desc from the driver. */
2206         if (nb_rx_desc == 0)
2207                 nb_rx_desc = cap.max_nb_desc;
2208         if (nb_rx_desc > cap.max_nb_desc) {
2209                 RTE_ETHDEV_LOG(ERR,
2210                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2211                         nb_rx_desc, cap.max_nb_desc);
2212                 return -EINVAL;
2213         }
2214         if (conf->peer_count > cap.max_rx_2_tx) {
2215                 RTE_ETHDEV_LOG(ERR,
2216                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2217                         conf->peer_count, cap.max_rx_2_tx);
2218                 return -EINVAL;
2219         }
2220         if (conf->peer_count == 0) {
2221                 RTE_ETHDEV_LOG(ERR,
2222                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2223                         conf->peer_count);
2224                 return -EINVAL;
2225         }
2226         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2227              cap.max_nb_queues != UINT16_MAX; i++) {
2228                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2229                         count++;
2230         }
2231         if (count > cap.max_nb_queues) {
2232                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2233                 cap.max_nb_queues);
2234                 return -EINVAL;
2235         }
2236         if (dev->data->dev_started)
2237                 return -EBUSY;
2238         eth_dev_rxq_release(dev, rx_queue_id);
2239         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2240                                                       nb_rx_desc, conf);
2241         if (ret == 0)
2242                 dev->data->rx_queue_state[rx_queue_id] =
2243                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2244         return eth_err(port_id, ret);
2245 }
2246
2247 int
2248 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2249                        uint16_t nb_tx_desc, unsigned int socket_id,
2250                        const struct rte_eth_txconf *tx_conf)
2251 {
2252         struct rte_eth_dev *dev;
2253         struct rte_eth_dev_info dev_info;
2254         struct rte_eth_txconf local_conf;
2255         int ret;
2256
2257         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2258         dev = &rte_eth_devices[port_id];
2259
2260         if (tx_queue_id >= dev->data->nb_tx_queues) {
2261                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2262                 return -EINVAL;
2263         }
2264
2265         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2266
2267         ret = rte_eth_dev_info_get(port_id, &dev_info);
2268         if (ret != 0)
2269                 return ret;
2270
2271         /* Use default specified by driver, if nb_tx_desc is zero */
2272         if (nb_tx_desc == 0) {
2273                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2274                 /* If driver default is zero, fall back on EAL default */
2275                 if (nb_tx_desc == 0)
2276                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2277         }
2278         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2279             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2280             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2281                 RTE_ETHDEV_LOG(ERR,
2282                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2283                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2284                         dev_info.tx_desc_lim.nb_min,
2285                         dev_info.tx_desc_lim.nb_align);
2286                 return -EINVAL;
2287         }
2288
2289         if (dev->data->dev_started &&
2290                 !(dev_info.dev_capa &
2291                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2292                 return -EBUSY;
2293
2294         if (dev->data->dev_started &&
2295                 (dev->data->tx_queue_state[tx_queue_id] !=
2296                         RTE_ETH_QUEUE_STATE_STOPPED))
2297                 return -EBUSY;
2298
2299         eth_dev_txq_release(dev, tx_queue_id);
2300
2301         if (tx_conf == NULL)
2302                 tx_conf = &dev_info.default_txconf;
2303
2304         local_conf = *tx_conf;
2305
2306         /*
2307          * If an offloading has already been enabled in
2308          * rte_eth_dev_configure(), it has been enabled on all queues,
2309          * so there is no need to enable it in this queue again.
2310          * The local_conf.offloads input to underlying PMD only carries
2311          * those offloadings which are only enabled on this queue and
2312          * not enabled on all queues.
2313          */
2314         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2315
2316         /*
2317          * New added offloadings for this queue are those not enabled in
2318          * rte_eth_dev_configure() and they must be per-queue type.
2319          * A pure per-port offloading can't be enabled on a queue while
2320          * disabled on another queue. A pure per-port offloading can't
2321          * be enabled for any queue as new added one if it hasn't been
2322          * enabled in rte_eth_dev_configure().
2323          */
2324         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2325              local_conf.offloads) {
2326                 RTE_ETHDEV_LOG(ERR,
2327                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2328                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2329                         port_id, tx_queue_id, local_conf.offloads,
2330                         dev_info.tx_queue_offload_capa,
2331                         __func__);
2332                 return -EINVAL;
2333         }
2334
2335         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2336         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2337                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2338 }
2339
2340 int
2341 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2342                                uint16_t nb_tx_desc,
2343                                const struct rte_eth_hairpin_conf *conf)
2344 {
2345         struct rte_eth_dev *dev;
2346         struct rte_eth_hairpin_cap cap;
2347         int i;
2348         int count;
2349         int ret;
2350
2351         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2352         dev = &rte_eth_devices[port_id];
2353
2354         if (tx_queue_id >= dev->data->nb_tx_queues) {
2355                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2356                 return -EINVAL;
2357         }
2358
2359         if (conf == NULL) {
2360                 RTE_ETHDEV_LOG(ERR,
2361                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2362                         port_id);
2363                 return -EINVAL;
2364         }
2365
2366         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2367         if (ret != 0)
2368                 return ret;
2369         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2370                                 -ENOTSUP);
2371         /* if nb_rx_desc is zero use max number of desc from the driver. */
2372         if (nb_tx_desc == 0)
2373                 nb_tx_desc = cap.max_nb_desc;
2374         if (nb_tx_desc > cap.max_nb_desc) {
2375                 RTE_ETHDEV_LOG(ERR,
2376                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2377                         nb_tx_desc, cap.max_nb_desc);
2378                 return -EINVAL;
2379         }
2380         if (conf->peer_count > cap.max_tx_2_rx) {
2381                 RTE_ETHDEV_LOG(ERR,
2382                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2383                         conf->peer_count, cap.max_tx_2_rx);
2384                 return -EINVAL;
2385         }
2386         if (conf->peer_count == 0) {
2387                 RTE_ETHDEV_LOG(ERR,
2388                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2389                         conf->peer_count);
2390                 return -EINVAL;
2391         }
2392         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2393              cap.max_nb_queues != UINT16_MAX; i++) {
2394                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2395                         count++;
2396         }
2397         if (count > cap.max_nb_queues) {
2398                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2399                 cap.max_nb_queues);
2400                 return -EINVAL;
2401         }
2402         if (dev->data->dev_started)
2403                 return -EBUSY;
2404         eth_dev_txq_release(dev, tx_queue_id);
2405         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2406                 (dev, tx_queue_id, nb_tx_desc, conf);
2407         if (ret == 0)
2408                 dev->data->tx_queue_state[tx_queue_id] =
2409                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2410         return eth_err(port_id, ret);
2411 }
2412
2413 int
2414 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2415 {
2416         struct rte_eth_dev *dev;
2417         int ret;
2418
2419         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2420         dev = &rte_eth_devices[tx_port];
2421
2422         if (dev->data->dev_started == 0) {
2423                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2424                 return -EBUSY;
2425         }
2426
2427         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2428         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2429         if (ret != 0)
2430                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2431                                " to Rx %d (%d - all ports)\n",
2432                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2433
2434         return ret;
2435 }
2436
2437 int
2438 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2439 {
2440         struct rte_eth_dev *dev;
2441         int ret;
2442
2443         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2444         dev = &rte_eth_devices[tx_port];
2445
2446         if (dev->data->dev_started == 0) {
2447                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2448                 return -EBUSY;
2449         }
2450
2451         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2452         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2453         if (ret != 0)
2454                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2455                                " from Rx %d (%d - all ports)\n",
2456                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2457
2458         return ret;
2459 }
2460
2461 int
2462 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2463                                size_t len, uint32_t direction)
2464 {
2465         struct rte_eth_dev *dev;
2466         int ret;
2467
2468         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2469         dev = &rte_eth_devices[port_id];
2470
2471         if (peer_ports == NULL) {
2472                 RTE_ETHDEV_LOG(ERR,
2473                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2474                         port_id);
2475                 return -EINVAL;
2476         }
2477
2478         if (len == 0) {
2479                 RTE_ETHDEV_LOG(ERR,
2480                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2481                         port_id);
2482                 return -EINVAL;
2483         }
2484
2485         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2486                                 -ENOTSUP);
2487
2488         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2489                                                       len, direction);
2490         if (ret < 0)
2491                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2492                                port_id, direction ? "Rx" : "Tx");
2493
2494         return ret;
2495 }
2496
2497 void
2498 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2499                 void *userdata __rte_unused)
2500 {
2501         rte_pktmbuf_free_bulk(pkts, unsent);
2502 }
2503
2504 void
2505 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2506                 void *userdata)
2507 {
2508         uint64_t *count = userdata;
2509
2510         rte_pktmbuf_free_bulk(pkts, unsent);
2511         *count += unsent;
2512 }
2513
2514 int
2515 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2516                 buffer_tx_error_fn cbfn, void *userdata)
2517 {
2518         if (buffer == NULL) {
2519                 RTE_ETHDEV_LOG(ERR,
2520                         "Cannot set Tx buffer error callback to NULL buffer\n");
2521                 return -EINVAL;
2522         }
2523
2524         buffer->error_callback = cbfn;
2525         buffer->error_userdata = userdata;
2526         return 0;
2527 }
2528
2529 int
2530 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2531 {
2532         int ret = 0;
2533
2534         if (buffer == NULL) {
2535                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2536                 return -EINVAL;
2537         }
2538
2539         buffer->size = size;
2540         if (buffer->error_callback == NULL) {
2541                 ret = rte_eth_tx_buffer_set_err_callback(
2542                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2543         }
2544
2545         return ret;
2546 }
2547
2548 int
2549 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2550 {
2551         struct rte_eth_dev *dev;
2552         int ret;
2553
2554         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2555         dev = &rte_eth_devices[port_id];
2556
2557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2558
2559         /* Call driver to free pending mbufs. */
2560         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2561                                                free_cnt);
2562         return eth_err(port_id, ret);
2563 }
2564
2565 int
2566 rte_eth_promiscuous_enable(uint16_t port_id)
2567 {
2568         struct rte_eth_dev *dev;
2569         int diag = 0;
2570
2571         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2572         dev = &rte_eth_devices[port_id];
2573
2574         if (dev->data->promiscuous == 1)
2575                 return 0;
2576
2577         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2578
2579         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2580         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2581
2582         return eth_err(port_id, diag);
2583 }
2584
2585 int
2586 rte_eth_promiscuous_disable(uint16_t port_id)
2587 {
2588         struct rte_eth_dev *dev;
2589         int diag = 0;
2590
2591         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2592         dev = &rte_eth_devices[port_id];
2593
2594         if (dev->data->promiscuous == 0)
2595                 return 0;
2596
2597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2598
2599         dev->data->promiscuous = 0;
2600         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2601         if (diag != 0)
2602                 dev->data->promiscuous = 1;
2603
2604         return eth_err(port_id, diag);
2605 }
2606
2607 int
2608 rte_eth_promiscuous_get(uint16_t port_id)
2609 {
2610         struct rte_eth_dev *dev;
2611
2612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2613         dev = &rte_eth_devices[port_id];
2614
2615         return dev->data->promiscuous;
2616 }
2617
2618 int
2619 rte_eth_allmulticast_enable(uint16_t port_id)
2620 {
2621         struct rte_eth_dev *dev;
2622         int diag;
2623
2624         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2625         dev = &rte_eth_devices[port_id];
2626
2627         if (dev->data->all_multicast == 1)
2628                 return 0;
2629
2630         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2631         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2632         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2633
2634         return eth_err(port_id, diag);
2635 }
2636
2637 int
2638 rte_eth_allmulticast_disable(uint16_t port_id)
2639 {
2640         struct rte_eth_dev *dev;
2641         int diag;
2642
2643         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2644         dev = &rte_eth_devices[port_id];
2645
2646         if (dev->data->all_multicast == 0)
2647                 return 0;
2648
2649         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2650         dev->data->all_multicast = 0;
2651         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2652         if (diag != 0)
2653                 dev->data->all_multicast = 1;
2654
2655         return eth_err(port_id, diag);
2656 }
2657
2658 int
2659 rte_eth_allmulticast_get(uint16_t port_id)
2660 {
2661         struct rte_eth_dev *dev;
2662
2663         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2664         dev = &rte_eth_devices[port_id];
2665
2666         return dev->data->all_multicast;
2667 }
2668
2669 int
2670 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2671 {
2672         struct rte_eth_dev *dev;
2673
2674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2675         dev = &rte_eth_devices[port_id];
2676
2677         if (eth_link == NULL) {
2678                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2679                         port_id);
2680                 return -EINVAL;
2681         }
2682
2683         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2684                 rte_eth_linkstatus_get(dev, eth_link);
2685         else {
2686                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2687                 (*dev->dev_ops->link_update)(dev, 1);
2688                 *eth_link = dev->data->dev_link;
2689         }
2690
2691         return 0;
2692 }
2693
2694 int
2695 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2696 {
2697         struct rte_eth_dev *dev;
2698
2699         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2700         dev = &rte_eth_devices[port_id];
2701
2702         if (eth_link == NULL) {
2703                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2704                         port_id);
2705                 return -EINVAL;
2706         }
2707
2708         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2709                 rte_eth_linkstatus_get(dev, eth_link);
2710         else {
2711                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2712                 (*dev->dev_ops->link_update)(dev, 0);
2713                 *eth_link = dev->data->dev_link;
2714         }
2715
2716         return 0;
2717 }
2718
2719 const char *
2720 rte_eth_link_speed_to_str(uint32_t link_speed)
2721 {
2722         switch (link_speed) {
2723         case ETH_SPEED_NUM_NONE: return "None";
2724         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2725         case ETH_SPEED_NUM_100M: return "100 Mbps";
2726         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2727         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2728         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2729         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2730         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2731         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2732         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2733         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2734         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2735         case ETH_SPEED_NUM_100G: return "100 Gbps";
2736         case ETH_SPEED_NUM_200G: return "200 Gbps";
2737         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2738         default: return "Invalid";
2739         }
2740 }
2741
2742 int
2743 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2744 {
2745         if (str == NULL) {
2746                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2747                 return -EINVAL;
2748         }
2749
2750         if (len == 0) {
2751                 RTE_ETHDEV_LOG(ERR,
2752                         "Cannot convert link to string with zero size\n");
2753                 return -EINVAL;
2754         }
2755
2756         if (eth_link == NULL) {
2757                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2758                 return -EINVAL;
2759         }
2760
2761         if (eth_link->link_status == ETH_LINK_DOWN)
2762                 return snprintf(str, len, "Link down");
2763         else
2764                 return snprintf(str, len, "Link up at %s %s %s",
2765                         rte_eth_link_speed_to_str(eth_link->link_speed),
2766                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2767                         "FDX" : "HDX",
2768                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2769                         "Autoneg" : "Fixed");
2770 }
2771
2772 int
2773 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2774 {
2775         struct rte_eth_dev *dev;
2776
2777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2778         dev = &rte_eth_devices[port_id];
2779
2780         if (stats == NULL) {
2781                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2782                         port_id);
2783                 return -EINVAL;
2784         }
2785
2786         memset(stats, 0, sizeof(*stats));
2787
2788         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2789         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2790         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2791 }
2792
2793 int
2794 rte_eth_stats_reset(uint16_t port_id)
2795 {
2796         struct rte_eth_dev *dev;
2797         int ret;
2798
2799         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2800         dev = &rte_eth_devices[port_id];
2801
2802         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2803         ret = (*dev->dev_ops->stats_reset)(dev);
2804         if (ret != 0)
2805                 return eth_err(port_id, ret);
2806
2807         dev->data->rx_mbuf_alloc_failed = 0;
2808
2809         return 0;
2810 }
2811
2812 static inline int
2813 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2814 {
2815         uint16_t nb_rxqs, nb_txqs;
2816         int count;
2817
2818         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2819         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2820
2821         count = RTE_NB_STATS;
2822         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2823                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2824                 count += nb_txqs * RTE_NB_TXQ_STATS;
2825         }
2826
2827         return count;
2828 }
2829
2830 static int
2831 eth_dev_get_xstats_count(uint16_t port_id)
2832 {
2833         struct rte_eth_dev *dev;
2834         int count;
2835
2836         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2837         dev = &rte_eth_devices[port_id];
2838         if (dev->dev_ops->xstats_get_names != NULL) {
2839                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2840                 if (count < 0)
2841                         return eth_err(port_id, count);
2842         } else
2843                 count = 0;
2844
2845
2846         count += eth_dev_get_xstats_basic_count(dev);
2847
2848         return count;
2849 }
2850
2851 int
2852 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2853                 uint64_t *id)
2854 {
2855         int cnt_xstats, idx_xstat;
2856
2857         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2858
2859         if (xstat_name == NULL) {
2860                 RTE_ETHDEV_LOG(ERR,
2861                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2862                         port_id);
2863                 return -ENOMEM;
2864         }
2865
2866         if (id == NULL) {
2867                 RTE_ETHDEV_LOG(ERR,
2868                         "Cannot get ethdev port %u xstats ID to NULL\n",
2869                         port_id);
2870                 return -ENOMEM;
2871         }
2872
2873         /* Get count */
2874         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2875         if (cnt_xstats  < 0) {
2876                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2877                 return -ENODEV;
2878         }
2879
2880         /* Get id-name lookup table */
2881         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2882
2883         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2884                         port_id, xstats_names, cnt_xstats, NULL)) {
2885                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2886                 return -1;
2887         }
2888
2889         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2890                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2891                         *id = idx_xstat;
2892                         return 0;
2893                 };
2894         }
2895
2896         return -EINVAL;
2897 }
2898
2899 /* retrieve basic stats names */
2900 static int
2901 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2902         struct rte_eth_xstat_name *xstats_names)
2903 {
2904         int cnt_used_entries = 0;
2905         uint32_t idx, id_queue;
2906         uint16_t num_q;
2907
2908         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2909                 strlcpy(xstats_names[cnt_used_entries].name,
2910                         eth_dev_stats_strings[idx].name,
2911                         sizeof(xstats_names[0].name));
2912                 cnt_used_entries++;
2913         }
2914
2915         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2916                 return cnt_used_entries;
2917
2918         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2919         for (id_queue = 0; id_queue < num_q; id_queue++) {
2920                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2921                         snprintf(xstats_names[cnt_used_entries].name,
2922                                 sizeof(xstats_names[0].name),
2923                                 "rx_q%u_%s",
2924                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2925                         cnt_used_entries++;
2926                 }
2927
2928         }
2929         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2930         for (id_queue = 0; id_queue < num_q; id_queue++) {
2931                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2932                         snprintf(xstats_names[cnt_used_entries].name,
2933                                 sizeof(xstats_names[0].name),
2934                                 "tx_q%u_%s",
2935                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2936                         cnt_used_entries++;
2937                 }
2938         }
2939         return cnt_used_entries;
2940 }
2941
2942 /* retrieve ethdev extended statistics names */
2943 int
2944 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2945         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2946         uint64_t *ids)
2947 {
2948         struct rte_eth_xstat_name *xstats_names_copy;
2949         unsigned int no_basic_stat_requested = 1;
2950         unsigned int no_ext_stat_requested = 1;
2951         unsigned int expected_entries;
2952         unsigned int basic_count;
2953         struct rte_eth_dev *dev;
2954         unsigned int i;
2955         int ret;
2956
2957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2958         dev = &rte_eth_devices[port_id];
2959
2960         basic_count = eth_dev_get_xstats_basic_count(dev);
2961         ret = eth_dev_get_xstats_count(port_id);
2962         if (ret < 0)
2963                 return ret;
2964         expected_entries = (unsigned int)ret;
2965
2966         /* Return max number of stats if no ids given */
2967         if (!ids) {
2968                 if (!xstats_names)
2969                         return expected_entries;
2970                 else if (xstats_names && size < expected_entries)
2971                         return expected_entries;
2972         }
2973
2974         if (ids && !xstats_names)
2975                 return -EINVAL;
2976
2977         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2978                 uint64_t ids_copy[size];
2979
2980                 for (i = 0; i < size; i++) {
2981                         if (ids[i] < basic_count) {
2982                                 no_basic_stat_requested = 0;
2983                                 break;
2984                         }
2985
2986                         /*
2987                          * Convert ids to xstats ids that PMD knows.
2988                          * ids known by user are basic + extended stats.
2989                          */
2990                         ids_copy[i] = ids[i] - basic_count;
2991                 }
2992
2993                 if (no_basic_stat_requested)
2994                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2995                                         ids_copy, xstats_names, size);
2996         }
2997
2998         /* Retrieve all stats */
2999         if (!ids) {
3000                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3001                                 expected_entries);
3002                 if (num_stats < 0 || num_stats > (int)expected_entries)
3003                         return num_stats;
3004                 else
3005                         return expected_entries;
3006         }
3007
3008         xstats_names_copy = calloc(expected_entries,
3009                 sizeof(struct rte_eth_xstat_name));
3010
3011         if (!xstats_names_copy) {
3012                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3013                 return -ENOMEM;
3014         }
3015
3016         if (ids) {
3017                 for (i = 0; i < size; i++) {
3018                         if (ids[i] >= basic_count) {
3019                                 no_ext_stat_requested = 0;
3020                                 break;
3021                         }
3022                 }
3023         }
3024
3025         /* Fill xstats_names_copy structure */
3026         if (ids && no_ext_stat_requested) {
3027                 eth_basic_stats_get_names(dev, xstats_names_copy);
3028         } else {
3029                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3030                         expected_entries);
3031                 if (ret < 0) {
3032                         free(xstats_names_copy);
3033                         return ret;
3034                 }
3035         }
3036
3037         /* Filter stats */
3038         for (i = 0; i < size; i++) {
3039                 if (ids[i] >= expected_entries) {
3040                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3041                         free(xstats_names_copy);
3042                         return -1;
3043                 }
3044                 xstats_names[i] = xstats_names_copy[ids[i]];
3045         }
3046
3047         free(xstats_names_copy);
3048         return size;
3049 }
3050
3051 int
3052 rte_eth_xstats_get_names(uint16_t port_id,
3053         struct rte_eth_xstat_name *xstats_names,
3054         unsigned int size)
3055 {
3056         struct rte_eth_dev *dev;
3057         int cnt_used_entries;
3058         int cnt_expected_entries;
3059         int cnt_driver_entries;
3060
3061         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3062         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3063                         (int)size < cnt_expected_entries)
3064                 return cnt_expected_entries;
3065
3066         /* port_id checked in eth_dev_get_xstats_count() */
3067         dev = &rte_eth_devices[port_id];
3068
3069         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3070
3071         if (dev->dev_ops->xstats_get_names != NULL) {
3072                 /* If there are any driver-specific xstats, append them
3073                  * to end of list.
3074                  */
3075                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3076                         dev,
3077                         xstats_names + cnt_used_entries,
3078                         size - cnt_used_entries);
3079                 if (cnt_driver_entries < 0)
3080                         return eth_err(port_id, cnt_driver_entries);
3081                 cnt_used_entries += cnt_driver_entries;
3082         }
3083
3084         return cnt_used_entries;
3085 }
3086
3087
3088 static int
3089 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3090 {
3091         struct rte_eth_dev *dev;
3092         struct rte_eth_stats eth_stats;
3093         unsigned int count = 0, i, q;
3094         uint64_t val, *stats_ptr;
3095         uint16_t nb_rxqs, nb_txqs;
3096         int ret;
3097
3098         ret = rte_eth_stats_get(port_id, &eth_stats);
3099         if (ret < 0)
3100                 return ret;
3101
3102         dev = &rte_eth_devices[port_id];
3103
3104         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3105         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3106
3107         /* global stats */
3108         for (i = 0; i < RTE_NB_STATS; i++) {
3109                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3110                                         eth_dev_stats_strings[i].offset);
3111                 val = *stats_ptr;
3112                 xstats[count++].value = val;
3113         }
3114
3115         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3116                 return count;
3117
3118         /* per-rxq stats */
3119         for (q = 0; q < nb_rxqs; q++) {
3120                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3121                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3122                                         eth_dev_rxq_stats_strings[i].offset +
3123                                         q * sizeof(uint64_t));
3124                         val = *stats_ptr;
3125                         xstats[count++].value = val;
3126                 }
3127         }
3128
3129         /* per-txq stats */
3130         for (q = 0; q < nb_txqs; q++) {
3131                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3132                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3133                                         eth_dev_txq_stats_strings[i].offset +
3134                                         q * sizeof(uint64_t));
3135                         val = *stats_ptr;
3136                         xstats[count++].value = val;
3137                 }
3138         }
3139         return count;
3140 }
3141
3142 /* retrieve ethdev extended statistics */
3143 int
3144 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3145                          uint64_t *values, unsigned int size)
3146 {
3147         unsigned int no_basic_stat_requested = 1;
3148         unsigned int no_ext_stat_requested = 1;
3149         unsigned int num_xstats_filled;
3150         unsigned int basic_count;
3151         uint16_t expected_entries;
3152         struct rte_eth_dev *dev;
3153         unsigned int i;
3154         int ret;
3155
3156         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3157         dev = &rte_eth_devices[port_id];
3158
3159         ret = eth_dev_get_xstats_count(port_id);
3160         if (ret < 0)
3161                 return ret;
3162         expected_entries = (uint16_t)ret;
3163         struct rte_eth_xstat xstats[expected_entries];
3164         basic_count = eth_dev_get_xstats_basic_count(dev);
3165
3166         /* Return max number of stats if no ids given */
3167         if (!ids) {
3168                 if (!values)
3169                         return expected_entries;
3170                 else if (values && size < expected_entries)
3171                         return expected_entries;
3172         }
3173
3174         if (ids && !values)
3175                 return -EINVAL;
3176
3177         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3178                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3179                 uint64_t ids_copy[size];
3180
3181                 for (i = 0; i < size; i++) {
3182                         if (ids[i] < basic_count) {
3183                                 no_basic_stat_requested = 0;
3184                                 break;
3185                         }
3186
3187                         /*
3188                          * Convert ids to xstats ids that PMD knows.
3189                          * ids known by user are basic + extended stats.
3190                          */
3191                         ids_copy[i] = ids[i] - basic_count;
3192                 }
3193
3194                 if (no_basic_stat_requested)
3195                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3196                                         values, size);
3197         }
3198
3199         if (ids) {
3200                 for (i = 0; i < size; i++) {
3201                         if (ids[i] >= basic_count) {
3202                                 no_ext_stat_requested = 0;
3203                                 break;
3204                         }
3205                 }
3206         }
3207
3208         /* Fill the xstats structure */
3209         if (ids && no_ext_stat_requested)
3210                 ret = eth_basic_stats_get(port_id, xstats);
3211         else
3212                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3213
3214         if (ret < 0)
3215                 return ret;
3216         num_xstats_filled = (unsigned int)ret;
3217
3218         /* Return all stats */
3219         if (!ids) {
3220                 for (i = 0; i < num_xstats_filled; i++)
3221                         values[i] = xstats[i].value;
3222                 return expected_entries;
3223         }
3224
3225         /* Filter stats */
3226         for (i = 0; i < size; i++) {
3227                 if (ids[i] >= expected_entries) {
3228                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3229                         return -1;
3230                 }
3231                 values[i] = xstats[ids[i]].value;
3232         }
3233         return size;
3234 }
3235
3236 int
3237 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3238         unsigned int n)
3239 {
3240         struct rte_eth_dev *dev;
3241         unsigned int count = 0, i;
3242         signed int xcount = 0;
3243         uint16_t nb_rxqs, nb_txqs;
3244         int ret;
3245
3246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3247         dev = &rte_eth_devices[port_id];
3248
3249         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3250         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3251
3252         /* Return generic statistics */
3253         count = RTE_NB_STATS;
3254         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3255                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3256
3257         /* implemented by the driver */
3258         if (dev->dev_ops->xstats_get != NULL) {
3259                 /* Retrieve the xstats from the driver at the end of the
3260                  * xstats struct.
3261                  */
3262                 xcount = (*dev->dev_ops->xstats_get)(dev,
3263                                      xstats ? xstats + count : NULL,
3264                                      (n > count) ? n - count : 0);
3265
3266                 if (xcount < 0)
3267                         return eth_err(port_id, xcount);
3268         }
3269
3270         if (n < count + xcount || xstats == NULL)
3271                 return count + xcount;
3272
3273         /* now fill the xstats structure */
3274         ret = eth_basic_stats_get(port_id, xstats);
3275         if (ret < 0)
3276                 return ret;
3277         count = ret;
3278
3279         for (i = 0; i < count; i++)
3280                 xstats[i].id = i;
3281         /* add an offset to driver-specific stats */
3282         for ( ; i < count + xcount; i++)
3283                 xstats[i].id += count;
3284
3285         return count + xcount;
3286 }
3287
3288 /* reset ethdev extended statistics */
3289 int
3290 rte_eth_xstats_reset(uint16_t port_id)
3291 {
3292         struct rte_eth_dev *dev;
3293
3294         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3295         dev = &rte_eth_devices[port_id];
3296
3297         /* implemented by the driver */
3298         if (dev->dev_ops->xstats_reset != NULL)
3299                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3300
3301         /* fallback to default */
3302         return rte_eth_stats_reset(port_id);
3303 }
3304
3305 static int
3306 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3307                 uint8_t stat_idx, uint8_t is_rx)
3308 {
3309         struct rte_eth_dev *dev;
3310
3311         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3312         dev = &rte_eth_devices[port_id];
3313
3314         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3315                 return -EINVAL;
3316
3317         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3318                 return -EINVAL;
3319
3320         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3321                 return -EINVAL;
3322
3323         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3324         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3325 }
3326
3327 int
3328 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3329                 uint8_t stat_idx)
3330 {
3331         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3332                                                 tx_queue_id,
3333                                                 stat_idx, STAT_QMAP_TX));
3334 }
3335
3336 int
3337 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3338                 uint8_t stat_idx)
3339 {
3340         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3341                                                 rx_queue_id,
3342                                                 stat_idx, STAT_QMAP_RX));
3343 }
3344
3345 int
3346 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3347 {
3348         struct rte_eth_dev *dev;
3349
3350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3351         dev = &rte_eth_devices[port_id];
3352
3353         if (fw_version == NULL && fw_size > 0) {
3354                 RTE_ETHDEV_LOG(ERR,
3355                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3356                         port_id);
3357                 return -EINVAL;
3358         }
3359
3360         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3361         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3362                                                         fw_version, fw_size));
3363 }
3364
3365 int
3366 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3367 {
3368         struct rte_eth_dev *dev;
3369         const struct rte_eth_desc_lim lim = {
3370                 .nb_max = UINT16_MAX,
3371                 .nb_min = 0,
3372                 .nb_align = 1,
3373                 .nb_seg_max = UINT16_MAX,
3374                 .nb_mtu_seg_max = UINT16_MAX,
3375         };
3376         int diag;
3377
3378         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3379         dev = &rte_eth_devices[port_id];
3380
3381         if (dev_info == NULL) {
3382                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3383                         port_id);
3384                 return -EINVAL;
3385         }
3386
3387         /*
3388          * Init dev_info before port_id check since caller does not have
3389          * return status and does not know if get is successful or not.
3390          */
3391         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3392         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3393
3394         dev_info->rx_desc_lim = lim;
3395         dev_info->tx_desc_lim = lim;
3396         dev_info->device = dev->device;
3397         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3398         dev_info->max_mtu = UINT16_MAX;
3399
3400         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3401         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3402         if (diag != 0) {
3403                 /* Cleanup already filled in device information */
3404                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3405                 return eth_err(port_id, diag);
3406         }
3407
3408         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3409         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3410                         RTE_MAX_QUEUES_PER_PORT);
3411         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3412                         RTE_MAX_QUEUES_PER_PORT);
3413
3414         dev_info->driver_name = dev->device->driver->name;
3415         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3416         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3417
3418         dev_info->dev_flags = &dev->data->dev_flags;
3419
3420         return 0;
3421 }
3422
3423 int
3424 rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf)
3425 {
3426         struct rte_eth_dev *dev;
3427
3428         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3429         dev = &rte_eth_devices[port_id];
3430
3431         if (dev_conf == NULL) {
3432                 RTE_ETHDEV_LOG(ERR,
3433                         "Cannot get ethdev port %u configuration to NULL\n",
3434                         port_id);
3435                 return -EINVAL;
3436         }
3437
3438         memcpy(dev_conf, &dev->data->dev_conf, sizeof(struct rte_eth_conf));
3439
3440         return 0;
3441 }
3442
3443 int
3444 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3445                                  uint32_t *ptypes, int num)
3446 {
3447         int i, j;
3448         struct rte_eth_dev *dev;
3449         const uint32_t *all_ptypes;
3450
3451         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3452         dev = &rte_eth_devices[port_id];
3453
3454         if (ptypes == NULL && num > 0) {
3455                 RTE_ETHDEV_LOG(ERR,
3456                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3457                         port_id);
3458                 return -EINVAL;
3459         }
3460
3461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3462         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3463
3464         if (!all_ptypes)
3465                 return 0;
3466
3467         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3468                 if (all_ptypes[i] & ptype_mask) {
3469                         if (j < num)
3470                                 ptypes[j] = all_ptypes[i];
3471                         j++;
3472                 }
3473
3474         return j;
3475 }
3476
3477 int
3478 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3479                                  uint32_t *set_ptypes, unsigned int num)
3480 {
3481         const uint32_t valid_ptype_masks[] = {
3482                 RTE_PTYPE_L2_MASK,
3483                 RTE_PTYPE_L3_MASK,
3484                 RTE_PTYPE_L4_MASK,
3485                 RTE_PTYPE_TUNNEL_MASK,
3486                 RTE_PTYPE_INNER_L2_MASK,
3487                 RTE_PTYPE_INNER_L3_MASK,
3488                 RTE_PTYPE_INNER_L4_MASK,
3489         };
3490         const uint32_t *all_ptypes;
3491         struct rte_eth_dev *dev;
3492         uint32_t unused_mask;
3493         unsigned int i, j;
3494         int ret;
3495
3496         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3497         dev = &rte_eth_devices[port_id];
3498
3499         if (num > 0 && set_ptypes == NULL) {
3500                 RTE_ETHDEV_LOG(ERR,
3501                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3502                         port_id);
3503                 return -EINVAL;
3504         }
3505
3506         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3507                         *dev->dev_ops->dev_ptypes_set == NULL) {
3508                 ret = 0;
3509                 goto ptype_unknown;
3510         }
3511
3512         if (ptype_mask == 0) {
3513                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3514                                 ptype_mask);
3515                 goto ptype_unknown;
3516         }
3517
3518         unused_mask = ptype_mask;
3519         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3520                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3521                 if (mask && mask != valid_ptype_masks[i]) {
3522                         ret = -EINVAL;
3523                         goto ptype_unknown;
3524                 }
3525                 unused_mask &= ~valid_ptype_masks[i];
3526         }
3527
3528         if (unused_mask) {
3529                 ret = -EINVAL;
3530                 goto ptype_unknown;
3531         }
3532
3533         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3534         if (all_ptypes == NULL) {
3535                 ret = 0;
3536                 goto ptype_unknown;
3537         }
3538
3539         /*
3540          * Accommodate as many set_ptypes as possible. If the supplied
3541          * set_ptypes array is insufficient fill it partially.
3542          */
3543         for (i = 0, j = 0; set_ptypes != NULL &&
3544                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3545                 if (ptype_mask & all_ptypes[i]) {
3546                         if (j < num - 1) {
3547                                 set_ptypes[j] = all_ptypes[i];
3548                                 j++;
3549                                 continue;
3550                         }
3551                         break;
3552                 }
3553         }
3554
3555         if (set_ptypes != NULL && j < num)
3556                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3557
3558         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3559
3560 ptype_unknown:
3561         if (num > 0)
3562                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3563
3564         return ret;
3565 }
3566
3567 int
3568 rte_eth_macaddrs_get(uint16_t port_id, struct rte_ether_addr *ma,
3569         unsigned int num)
3570 {
3571         int32_t ret;
3572         struct rte_eth_dev *dev;
3573         struct rte_eth_dev_info dev_info;
3574
3575         if (ma == NULL) {
3576                 RTE_ETHDEV_LOG(ERR, "%s: invalid parameters\n", __func__);
3577                 return -EINVAL;
3578         }
3579
3580         /* will check for us that port_id is a valid one */
3581         ret = rte_eth_dev_info_get(port_id, &dev_info);
3582         if (ret != 0)
3583                 return ret;
3584
3585         dev = &rte_eth_devices[port_id];
3586         num = RTE_MIN(dev_info.max_mac_addrs, num);
3587         memcpy(ma, dev->data->mac_addrs, num * sizeof(ma[0]));
3588
3589         return num;
3590 }
3591
3592 int
3593 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3594 {
3595         struct rte_eth_dev *dev;
3596
3597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3598         dev = &rte_eth_devices[port_id];
3599
3600         if (mac_addr == NULL) {
3601                 RTE_ETHDEV_LOG(ERR,
3602                         "Cannot get ethdev port %u MAC address to NULL\n",
3603                         port_id);
3604                 return -EINVAL;
3605         }
3606
3607         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3608
3609         return 0;
3610 }
3611
3612 int
3613 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3614 {
3615         struct rte_eth_dev *dev;
3616
3617         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3618         dev = &rte_eth_devices[port_id];
3619
3620         if (mtu == NULL) {
3621                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3622                         port_id);
3623                 return -EINVAL;
3624         }
3625
3626         *mtu = dev->data->mtu;
3627         return 0;
3628 }
3629
3630 int
3631 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3632 {
3633         int ret;
3634         struct rte_eth_dev_info dev_info;
3635         struct rte_eth_dev *dev;
3636
3637         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3638         dev = &rte_eth_devices[port_id];
3639         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3640
3641         /*
3642          * Check if the device supports dev_infos_get, if it does not
3643          * skip min_mtu/max_mtu validation here as this requires values
3644          * that are populated within the call to rte_eth_dev_info_get()
3645          * which relies on dev->dev_ops->dev_infos_get.
3646          */
3647         if (*dev->dev_ops->dev_infos_get != NULL) {
3648                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3649                 if (ret != 0)
3650                         return ret;
3651
3652                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3653                         return -EINVAL;
3654         }
3655
3656         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3657         if (!ret)
3658                 dev->data->mtu = mtu;
3659
3660         return eth_err(port_id, ret);
3661 }
3662
3663 int
3664 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3665 {
3666         struct rte_eth_dev *dev;
3667         int ret;
3668
3669         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3670         dev = &rte_eth_devices[port_id];
3671
3672         if (!(dev->data->dev_conf.rxmode.offloads &
3673               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3674                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3675                         port_id);
3676                 return -ENOSYS;
3677         }
3678
3679         if (vlan_id > 4095) {
3680                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3681                         port_id, vlan_id);
3682                 return -EINVAL;
3683         }
3684         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3685
3686         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3687         if (ret == 0) {
3688                 struct rte_vlan_filter_conf *vfc;
3689                 int vidx;
3690                 int vbit;
3691
3692                 vfc = &dev->data->vlan_filter_conf;
3693                 vidx = vlan_id / 64;
3694                 vbit = vlan_id % 64;
3695
3696                 if (on)
3697                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3698                 else
3699                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3700         }
3701
3702         return eth_err(port_id, ret);
3703 }
3704
3705 int
3706 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3707                                     int on)
3708 {
3709         struct rte_eth_dev *dev;
3710
3711         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3712         dev = &rte_eth_devices[port_id];
3713
3714         if (rx_queue_id >= dev->data->nb_rx_queues) {
3715                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3716                 return -EINVAL;
3717         }
3718
3719         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3720         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3721
3722         return 0;
3723 }
3724
3725 int
3726 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3727                                 enum rte_vlan_type vlan_type,
3728                                 uint16_t tpid)
3729 {
3730         struct rte_eth_dev *dev;
3731
3732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3733         dev = &rte_eth_devices[port_id];
3734
3735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3736         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3737                                                                tpid));
3738 }
3739
3740 int
3741 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3742 {
3743         struct rte_eth_dev_info dev_info;
3744         struct rte_eth_dev *dev;
3745         int ret = 0;
3746         int mask = 0;
3747         int cur, org = 0;
3748         uint64_t orig_offloads;
3749         uint64_t dev_offloads;
3750         uint64_t new_offloads;
3751
3752         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3753         dev = &rte_eth_devices[port_id];
3754
3755         /* save original values in case of failure */
3756         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3757         dev_offloads = orig_offloads;
3758
3759         /* check which option changed by application */
3760         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3761         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3762         if (cur != org) {
3763                 if (cur)
3764                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3765                 else
3766                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3767                 mask |= ETH_VLAN_STRIP_MASK;
3768         }
3769
3770         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3771         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3772         if (cur != org) {
3773                 if (cur)
3774                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3775                 else
3776                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3777                 mask |= ETH_VLAN_FILTER_MASK;
3778         }
3779
3780         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3781         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3782         if (cur != org) {
3783                 if (cur)
3784                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3785                 else
3786                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3787                 mask |= ETH_VLAN_EXTEND_MASK;
3788         }
3789
3790         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3791         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3792         if (cur != org) {
3793                 if (cur)
3794                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3795                 else
3796                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3797                 mask |= ETH_QINQ_STRIP_MASK;
3798         }
3799
3800         /*no change*/
3801         if (mask == 0)
3802                 return ret;
3803
3804         ret = rte_eth_dev_info_get(port_id, &dev_info);
3805         if (ret != 0)
3806                 return ret;
3807
3808         /* Rx VLAN offloading must be within its device capabilities */
3809         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3810                 new_offloads = dev_offloads & ~orig_offloads;
3811                 RTE_ETHDEV_LOG(ERR,
3812                         "Ethdev port_id=%u requested new added VLAN offloads "
3813                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3814                         "0x%" PRIx64 " in %s()\n",
3815                         port_id, new_offloads, dev_info.rx_offload_capa,
3816                         __func__);
3817                 return -EINVAL;
3818         }
3819
3820         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3821         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3822         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3823         if (ret) {
3824                 /* hit an error restore  original values */
3825                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3826         }
3827
3828         return eth_err(port_id, ret);
3829 }
3830
3831 int
3832 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3833 {
3834         struct rte_eth_dev *dev;
3835         uint64_t *dev_offloads;
3836         int ret = 0;
3837
3838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3839         dev = &rte_eth_devices[port_id];
3840         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3841
3842         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3843                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3844
3845         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3846                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3847
3848         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3849                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3850
3851         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3852                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3853
3854         return ret;
3855 }
3856
3857 int
3858 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3859 {
3860         struct rte_eth_dev *dev;
3861
3862         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3863         dev = &rte_eth_devices[port_id];
3864
3865         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3866         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3867 }
3868
3869 int
3870 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3871 {
3872         struct rte_eth_dev *dev;
3873
3874         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3875         dev = &rte_eth_devices[port_id];
3876
3877         if (fc_conf == NULL) {
3878                 RTE_ETHDEV_LOG(ERR,
3879                         "Cannot get ethdev port %u flow control config to NULL\n",
3880                         port_id);
3881                 return -EINVAL;
3882         }
3883
3884         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3885         memset(fc_conf, 0, sizeof(*fc_conf));
3886         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3887 }
3888
3889 int
3890 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3891 {
3892         struct rte_eth_dev *dev;
3893
3894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3895         dev = &rte_eth_devices[port_id];
3896
3897         if (fc_conf == NULL) {
3898                 RTE_ETHDEV_LOG(ERR,
3899                         "Cannot set ethdev port %u flow control from NULL config\n",
3900                         port_id);
3901                 return -EINVAL;
3902         }
3903
3904         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3905                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3906                 return -EINVAL;
3907         }
3908
3909         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3910         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3911 }
3912
3913 int
3914 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3915                                    struct rte_eth_pfc_conf *pfc_conf)
3916 {
3917         struct rte_eth_dev *dev;
3918
3919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3920         dev = &rte_eth_devices[port_id];
3921
3922         if (pfc_conf == NULL) {
3923                 RTE_ETHDEV_LOG(ERR,
3924                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3925                         port_id);
3926                 return -EINVAL;
3927         }
3928
3929         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3930                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3931                 return -EINVAL;
3932         }
3933
3934         /* High water, low water validation are device specific */
3935         if  (*dev->dev_ops->priority_flow_ctrl_set)
3936                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3937                                         (dev, pfc_conf));
3938         return -ENOTSUP;
3939 }
3940
3941 static int
3942 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3943                         uint16_t reta_size)
3944 {
3945         uint16_t i, num;
3946
3947         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3948         for (i = 0; i < num; i++) {
3949                 if (reta_conf[i].mask)
3950                         return 0;
3951         }
3952
3953         return -EINVAL;
3954 }
3955
3956 static int
3957 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3958                          uint16_t reta_size,
3959                          uint16_t max_rxq)
3960 {
3961         uint16_t i, idx, shift;
3962
3963         if (max_rxq == 0) {
3964                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3965                 return -EINVAL;
3966         }
3967
3968         for (i = 0; i < reta_size; i++) {
3969                 idx = i / RTE_RETA_GROUP_SIZE;
3970                 shift = i % RTE_RETA_GROUP_SIZE;
3971                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3972                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3973                         RTE_ETHDEV_LOG(ERR,
3974                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3975                                 idx, shift,
3976                                 reta_conf[idx].reta[shift], max_rxq);
3977                         return -EINVAL;
3978                 }
3979         }
3980
3981         return 0;
3982 }
3983
3984 int
3985 rte_eth_dev_rss_reta_update(uint16_t port_id,
3986                             struct rte_eth_rss_reta_entry64 *reta_conf,
3987                             uint16_t reta_size)
3988 {
3989         struct rte_eth_dev *dev;
3990         int ret;
3991
3992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3993         dev = &rte_eth_devices[port_id];
3994
3995         if (reta_conf == NULL) {
3996                 RTE_ETHDEV_LOG(ERR,
3997                         "Cannot update ethdev port %u RSS RETA to NULL\n",
3998                         port_id);
3999                 return -EINVAL;
4000         }
4001
4002         if (reta_size == 0) {
4003                 RTE_ETHDEV_LOG(ERR,
4004                         "Cannot update ethdev port %u RSS RETA with zero size\n",
4005                         port_id);
4006                 return -EINVAL;
4007         }
4008
4009         /* Check mask bits */
4010         ret = eth_check_reta_mask(reta_conf, reta_size);
4011         if (ret < 0)
4012                 return ret;
4013
4014         /* Check entry value */
4015         ret = eth_check_reta_entry(reta_conf, reta_size,
4016                                 dev->data->nb_rx_queues);
4017         if (ret < 0)
4018                 return ret;
4019
4020         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4021         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4022                                                              reta_size));
4023 }
4024
4025 int
4026 rte_eth_dev_rss_reta_query(uint16_t port_id,
4027                            struct rte_eth_rss_reta_entry64 *reta_conf,
4028                            uint16_t reta_size)
4029 {
4030         struct rte_eth_dev *dev;
4031         int ret;
4032
4033         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4034         dev = &rte_eth_devices[port_id];
4035
4036         if (reta_conf == NULL) {
4037                 RTE_ETHDEV_LOG(ERR,
4038                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4039                         port_id);
4040                 return -EINVAL;
4041         }
4042
4043         /* Check mask bits */
4044         ret = eth_check_reta_mask(reta_conf, reta_size);
4045         if (ret < 0)
4046                 return ret;
4047
4048         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4049         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4050                                                             reta_size));
4051 }
4052
4053 int
4054 rte_eth_dev_rss_hash_update(uint16_t port_id,
4055                             struct rte_eth_rss_conf *rss_conf)
4056 {
4057         struct rte_eth_dev *dev;
4058         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4059         int ret;
4060
4061         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4062         dev = &rte_eth_devices[port_id];
4063
4064         if (rss_conf == NULL) {
4065                 RTE_ETHDEV_LOG(ERR,
4066                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4067                         port_id);
4068                 return -EINVAL;
4069         }
4070
4071         ret = rte_eth_dev_info_get(port_id, &dev_info);
4072         if (ret != 0)
4073                 return ret;
4074
4075         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4076         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4077             dev_info.flow_type_rss_offloads) {
4078                 RTE_ETHDEV_LOG(ERR,
4079                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4080                         port_id, rss_conf->rss_hf,
4081                         dev_info.flow_type_rss_offloads);
4082                 return -EINVAL;
4083         }
4084         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4085         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4086                                                                  rss_conf));
4087 }
4088
4089 int
4090 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4091                               struct rte_eth_rss_conf *rss_conf)
4092 {
4093         struct rte_eth_dev *dev;
4094
4095         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4096         dev = &rte_eth_devices[port_id];
4097
4098         if (rss_conf == NULL) {
4099                 RTE_ETHDEV_LOG(ERR,
4100                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4101                         port_id);
4102                 return -EINVAL;
4103         }
4104
4105         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4106         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4107                                                                    rss_conf));
4108 }
4109
4110 int
4111 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4112                                 struct rte_eth_udp_tunnel *udp_tunnel)
4113 {
4114         struct rte_eth_dev *dev;
4115
4116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4117         dev = &rte_eth_devices[port_id];
4118
4119         if (udp_tunnel == NULL) {
4120                 RTE_ETHDEV_LOG(ERR,
4121                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4122                         port_id);
4123                 return -EINVAL;
4124         }
4125
4126         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4127                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4128                 return -EINVAL;
4129         }
4130
4131         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4132         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4133                                                                 udp_tunnel));
4134 }
4135
4136 int
4137 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4138                                    struct rte_eth_udp_tunnel *udp_tunnel)
4139 {
4140         struct rte_eth_dev *dev;
4141
4142         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4143         dev = &rte_eth_devices[port_id];
4144
4145         if (udp_tunnel == NULL) {
4146                 RTE_ETHDEV_LOG(ERR,
4147                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4148                         port_id);
4149                 return -EINVAL;
4150         }
4151
4152         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4153                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4154                 return -EINVAL;
4155         }
4156
4157         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4158         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4159                                                                 udp_tunnel));
4160 }
4161
4162 int
4163 rte_eth_led_on(uint16_t port_id)
4164 {
4165         struct rte_eth_dev *dev;
4166
4167         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4168         dev = &rte_eth_devices[port_id];
4169
4170         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4171         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4172 }
4173
4174 int
4175 rte_eth_led_off(uint16_t port_id)
4176 {
4177         struct rte_eth_dev *dev;
4178
4179         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4180         dev = &rte_eth_devices[port_id];
4181
4182         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4183         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4184 }
4185
4186 int
4187 rte_eth_fec_get_capability(uint16_t port_id,
4188                            struct rte_eth_fec_capa *speed_fec_capa,
4189                            unsigned int num)
4190 {
4191         struct rte_eth_dev *dev;
4192         int ret;
4193
4194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4195         dev = &rte_eth_devices[port_id];
4196
4197         if (speed_fec_capa == NULL && num > 0) {
4198                 RTE_ETHDEV_LOG(ERR,
4199                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4200                         port_id);
4201                 return -EINVAL;
4202         }
4203
4204         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4205         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4206
4207         return ret;
4208 }
4209
4210 int
4211 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4212 {
4213         struct rte_eth_dev *dev;
4214
4215         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4216         dev = &rte_eth_devices[port_id];
4217
4218         if (fec_capa == NULL) {
4219                 RTE_ETHDEV_LOG(ERR,
4220                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4221                         port_id);
4222                 return -EINVAL;
4223         }
4224
4225         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4226         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4227 }
4228
4229 int
4230 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4231 {
4232         struct rte_eth_dev *dev;
4233
4234         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4235         dev = &rte_eth_devices[port_id];
4236
4237         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4238         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4239 }
4240
4241 /*
4242  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4243  * an empty spot.
4244  */
4245 static int
4246 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4247 {
4248         struct rte_eth_dev_info dev_info;
4249         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4250         unsigned i;
4251         int ret;
4252
4253         ret = rte_eth_dev_info_get(port_id, &dev_info);
4254         if (ret != 0)
4255                 return -1;
4256
4257         for (i = 0; i < dev_info.max_mac_addrs; i++)
4258                 if (memcmp(addr, &dev->data->mac_addrs[i],
4259                                 RTE_ETHER_ADDR_LEN) == 0)
4260                         return i;
4261
4262         return -1;
4263 }
4264
4265 static const struct rte_ether_addr null_mac_addr;
4266
4267 int
4268 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4269                         uint32_t pool)
4270 {
4271         struct rte_eth_dev *dev;
4272         int index;
4273         uint64_t pool_mask;
4274         int ret;
4275
4276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4277         dev = &rte_eth_devices[port_id];
4278
4279         if (addr == NULL) {
4280                 RTE_ETHDEV_LOG(ERR,
4281                         "Cannot add ethdev port %u MAC address from NULL address\n",
4282                         port_id);
4283                 return -EINVAL;
4284         }
4285
4286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4287
4288         if (rte_is_zero_ether_addr(addr)) {
4289                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4290                         port_id);
4291                 return -EINVAL;
4292         }
4293         if (pool >= ETH_64_POOLS) {
4294                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4295                 return -EINVAL;
4296         }
4297
4298         index = eth_dev_get_mac_addr_index(port_id, addr);
4299         if (index < 0) {
4300                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4301                 if (index < 0) {
4302                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4303                                 port_id);
4304                         return -ENOSPC;
4305                 }
4306         } else {
4307                 pool_mask = dev->data->mac_pool_sel[index];
4308
4309                 /* Check if both MAC address and pool is already there, and do nothing */
4310                 if (pool_mask & (1ULL << pool))
4311                         return 0;
4312         }
4313
4314         /* Update NIC */
4315         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4316
4317         if (ret == 0) {
4318                 /* Update address in NIC data structure */
4319                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4320
4321                 /* Update pool bitmap in NIC data structure */
4322                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4323         }
4324
4325         return eth_err(port_id, ret);
4326 }
4327
4328 int
4329 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4330 {
4331         struct rte_eth_dev *dev;
4332         int index;
4333
4334         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4335         dev = &rte_eth_devices[port_id];
4336
4337         if (addr == NULL) {
4338                 RTE_ETHDEV_LOG(ERR,
4339                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4340                         port_id);
4341                 return -EINVAL;
4342         }
4343
4344         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4345
4346         index = eth_dev_get_mac_addr_index(port_id, addr);
4347         if (index == 0) {
4348                 RTE_ETHDEV_LOG(ERR,
4349                         "Port %u: Cannot remove default MAC address\n",
4350                         port_id);
4351                 return -EADDRINUSE;
4352         } else if (index < 0)
4353                 return 0;  /* Do nothing if address wasn't found */
4354
4355         /* Update NIC */
4356         (*dev->dev_ops->mac_addr_remove)(dev, index);
4357
4358         /* Update address in NIC data structure */
4359         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4360
4361         /* reset pool bitmap */
4362         dev->data->mac_pool_sel[index] = 0;
4363
4364         return 0;
4365 }
4366
4367 int
4368 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4369 {
4370         struct rte_eth_dev *dev;
4371         int ret;
4372
4373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4374         dev = &rte_eth_devices[port_id];
4375
4376         if (addr == NULL) {
4377                 RTE_ETHDEV_LOG(ERR,
4378                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4379                         port_id);
4380                 return -EINVAL;
4381         }
4382
4383         if (!rte_is_valid_assigned_ether_addr(addr))
4384                 return -EINVAL;
4385
4386         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4387
4388         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4389         if (ret < 0)
4390                 return ret;
4391
4392         /* Update default address in NIC data structure */
4393         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4394
4395         return 0;
4396 }
4397
4398
4399 /*
4400  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4401  * an empty spot.
4402  */
4403 static int
4404 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4405                 const struct rte_ether_addr *addr)
4406 {
4407         struct rte_eth_dev_info dev_info;
4408         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4409         unsigned i;
4410         int ret;
4411
4412         ret = rte_eth_dev_info_get(port_id, &dev_info);
4413         if (ret != 0)
4414                 return -1;
4415
4416         if (!dev->data->hash_mac_addrs)
4417                 return -1;
4418
4419         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4420                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4421                         RTE_ETHER_ADDR_LEN) == 0)
4422                         return i;
4423
4424         return -1;
4425 }
4426
4427 int
4428 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4429                                 uint8_t on)
4430 {
4431         int index;
4432         int ret;
4433         struct rte_eth_dev *dev;
4434
4435         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4436         dev = &rte_eth_devices[port_id];
4437
4438         if (addr == NULL) {
4439                 RTE_ETHDEV_LOG(ERR,
4440                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4441                         port_id);
4442                 return -EINVAL;
4443         }
4444
4445         if (rte_is_zero_ether_addr(addr)) {
4446                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4447                         port_id);
4448                 return -EINVAL;
4449         }
4450
4451         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4452         /* Check if it's already there, and do nothing */
4453         if ((index >= 0) && on)
4454                 return 0;
4455
4456         if (index < 0) {
4457                 if (!on) {
4458                         RTE_ETHDEV_LOG(ERR,
4459                                 "Port %u: the MAC address was not set in UTA\n",
4460                                 port_id);
4461                         return -EINVAL;
4462                 }
4463
4464                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4465                 if (index < 0) {
4466                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4467                                 port_id);
4468                         return -ENOSPC;
4469                 }
4470         }
4471
4472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4473         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4474         if (ret == 0) {
4475                 /* Update address in NIC data structure */
4476                 if (on)
4477                         rte_ether_addr_copy(addr,
4478                                         &dev->data->hash_mac_addrs[index]);
4479                 else
4480                         rte_ether_addr_copy(&null_mac_addr,
4481                                         &dev->data->hash_mac_addrs[index]);
4482         }
4483
4484         return eth_err(port_id, ret);
4485 }
4486
4487 int
4488 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4489 {
4490         struct rte_eth_dev *dev;
4491
4492         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4493         dev = &rte_eth_devices[port_id];
4494
4495         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4496         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4497                                                                        on));
4498 }
4499
4500 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4501                                         uint16_t tx_rate)
4502 {
4503         struct rte_eth_dev *dev;
4504         struct rte_eth_dev_info dev_info;
4505         struct rte_eth_link link;
4506         int ret;
4507
4508         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4509         dev = &rte_eth_devices[port_id];
4510
4511         ret = rte_eth_dev_info_get(port_id, &dev_info);
4512         if (ret != 0)
4513                 return ret;
4514
4515         link = dev->data->dev_link;
4516
4517         if (queue_idx > dev_info.max_tx_queues) {
4518                 RTE_ETHDEV_LOG(ERR,
4519                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4520                         port_id, queue_idx);
4521                 return -EINVAL;
4522         }
4523
4524         if (tx_rate > link.link_speed) {
4525                 RTE_ETHDEV_LOG(ERR,
4526                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4527                         tx_rate, link.link_speed);
4528                 return -EINVAL;
4529         }
4530
4531         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4532         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4533                                                         queue_idx, tx_rate));
4534 }
4535
4536 RTE_INIT(eth_dev_init_fp_ops)
4537 {
4538         uint32_t i;
4539
4540         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4541                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4542 }
4543
4544 RTE_INIT(eth_dev_init_cb_lists)
4545 {
4546         uint16_t i;
4547
4548         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4549                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4550 }
4551
4552 int
4553 rte_eth_dev_callback_register(uint16_t port_id,
4554                         enum rte_eth_event_type event,
4555                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4556 {
4557         struct rte_eth_dev *dev;
4558         struct rte_eth_dev_callback *user_cb;
4559         uint16_t next_port;
4560         uint16_t last_port;
4561
4562         if (cb_fn == NULL) {
4563                 RTE_ETHDEV_LOG(ERR,
4564                         "Cannot register ethdev port %u callback from NULL\n",
4565                         port_id);
4566                 return -EINVAL;
4567         }
4568
4569         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4570                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4571                 return -EINVAL;
4572         }
4573
4574         if (port_id == RTE_ETH_ALL) {
4575                 next_port = 0;
4576                 last_port = RTE_MAX_ETHPORTS - 1;
4577         } else {
4578                 next_port = last_port = port_id;
4579         }
4580
4581         rte_spinlock_lock(&eth_dev_cb_lock);
4582
4583         do {
4584                 dev = &rte_eth_devices[next_port];
4585
4586                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4587                         if (user_cb->cb_fn == cb_fn &&
4588                                 user_cb->cb_arg == cb_arg &&
4589                                 user_cb->event == event) {
4590                                 break;
4591                         }
4592                 }
4593
4594                 /* create a new callback. */
4595                 if (user_cb == NULL) {
4596                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4597                                 sizeof(struct rte_eth_dev_callback), 0);
4598                         if (user_cb != NULL) {
4599                                 user_cb->cb_fn = cb_fn;
4600                                 user_cb->cb_arg = cb_arg;
4601                                 user_cb->event = event;
4602                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4603                                                   user_cb, next);
4604                         } else {
4605                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4606                                 rte_eth_dev_callback_unregister(port_id, event,
4607                                                                 cb_fn, cb_arg);
4608                                 return -ENOMEM;
4609                         }
4610
4611                 }
4612         } while (++next_port <= last_port);
4613
4614         rte_spinlock_unlock(&eth_dev_cb_lock);
4615         return 0;
4616 }
4617
4618 int
4619 rte_eth_dev_callback_unregister(uint16_t port_id,
4620                         enum rte_eth_event_type event,
4621                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4622 {
4623         int ret;
4624         struct rte_eth_dev *dev;
4625         struct rte_eth_dev_callback *cb, *next;
4626         uint16_t next_port;
4627         uint16_t last_port;
4628
4629         if (cb_fn == NULL) {
4630                 RTE_ETHDEV_LOG(ERR,
4631                         "Cannot unregister ethdev port %u callback from NULL\n",
4632                         port_id);
4633                 return -EINVAL;
4634         }
4635
4636         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4637                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4638                 return -EINVAL;
4639         }
4640
4641         if (port_id == RTE_ETH_ALL) {
4642                 next_port = 0;
4643                 last_port = RTE_MAX_ETHPORTS - 1;
4644         } else {
4645                 next_port = last_port = port_id;
4646         }
4647
4648         rte_spinlock_lock(&eth_dev_cb_lock);
4649
4650         do {
4651                 dev = &rte_eth_devices[next_port];
4652                 ret = 0;
4653                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4654                      cb = next) {
4655
4656                         next = TAILQ_NEXT(cb, next);
4657
4658                         if (cb->cb_fn != cb_fn || cb->event != event ||
4659                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4660                                 continue;
4661
4662                         /*
4663                          * if this callback is not executing right now,
4664                          * then remove it.
4665                          */
4666                         if (cb->active == 0) {
4667                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4668                                 rte_free(cb);
4669                         } else {
4670                                 ret = -EAGAIN;
4671                         }
4672                 }
4673         } while (++next_port <= last_port);
4674
4675         rte_spinlock_unlock(&eth_dev_cb_lock);
4676         return ret;
4677 }
4678
4679 int
4680 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4681         enum rte_eth_event_type event, void *ret_param)
4682 {
4683         struct rte_eth_dev_callback *cb_lst;
4684         struct rte_eth_dev_callback dev_cb;
4685         int rc = 0;
4686
4687         rte_spinlock_lock(&eth_dev_cb_lock);
4688         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4689                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4690                         continue;
4691                 dev_cb = *cb_lst;
4692                 cb_lst->active = 1;
4693                 if (ret_param != NULL)
4694                         dev_cb.ret_param = ret_param;
4695
4696                 rte_spinlock_unlock(&eth_dev_cb_lock);
4697                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4698                                 dev_cb.cb_arg, dev_cb.ret_param);
4699                 rte_spinlock_lock(&eth_dev_cb_lock);
4700                 cb_lst->active = 0;
4701         }
4702         rte_spinlock_unlock(&eth_dev_cb_lock);
4703         return rc;
4704 }
4705
4706 void
4707 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4708 {
4709         if (dev == NULL)
4710                 return;
4711
4712         /*
4713          * for secondary process, at that point we expect device
4714          * to be already 'usable', so shared data and all function pointers
4715          * for fast-path devops have to be setup properly inside rte_eth_dev.
4716          */
4717         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4718                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4719
4720         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4721
4722         dev->state = RTE_ETH_DEV_ATTACHED;
4723 }
4724
4725 int
4726 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4727 {
4728         uint32_t vec;
4729         struct rte_eth_dev *dev;
4730         struct rte_intr_handle *intr_handle;
4731         uint16_t qid;
4732         int rc;
4733
4734         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4735         dev = &rte_eth_devices[port_id];
4736
4737         if (!dev->intr_handle) {
4738                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4739                 return -ENOTSUP;
4740         }
4741
4742         intr_handle = dev->intr_handle;
4743         if (!intr_handle->intr_vec) {
4744                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4745                 return -EPERM;
4746         }
4747
4748         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4749                 vec = intr_handle->intr_vec[qid];
4750                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4751                 if (rc && rc != -EEXIST) {
4752                         RTE_ETHDEV_LOG(ERR,
4753                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4754                                 port_id, qid, op, epfd, vec);
4755                 }
4756         }
4757
4758         return 0;
4759 }
4760
4761 int
4762 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4763 {
4764         struct rte_intr_handle *intr_handle;
4765         struct rte_eth_dev *dev;
4766         unsigned int efd_idx;
4767         uint32_t vec;
4768         int fd;
4769
4770         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4771         dev = &rte_eth_devices[port_id];
4772
4773         if (queue_id >= dev->data->nb_rx_queues) {
4774                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4775                 return -1;
4776         }
4777
4778         if (!dev->intr_handle) {
4779                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4780                 return -1;
4781         }
4782
4783         intr_handle = dev->intr_handle;
4784         if (!intr_handle->intr_vec) {
4785                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4786                 return -1;
4787         }
4788
4789         vec = intr_handle->intr_vec[queue_id];
4790         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4791                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4792         fd = intr_handle->efds[efd_idx];
4793
4794         return fd;
4795 }
4796
4797 static inline int
4798 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4799                 const char *ring_name)
4800 {
4801         return snprintf(name, len, "eth_p%d_q%d_%s",
4802                         port_id, queue_id, ring_name);
4803 }
4804
4805 const struct rte_memzone *
4806 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4807                          uint16_t queue_id, size_t size, unsigned align,
4808                          int socket_id)
4809 {
4810         char z_name[RTE_MEMZONE_NAMESIZE];
4811         const struct rte_memzone *mz;
4812         int rc;
4813
4814         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4815                         queue_id, ring_name);
4816         if (rc >= RTE_MEMZONE_NAMESIZE) {
4817                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4818                 rte_errno = ENAMETOOLONG;
4819                 return NULL;
4820         }
4821
4822         mz = rte_memzone_lookup(z_name);
4823         if (mz) {
4824                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4825                                 size > mz->len ||
4826                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4827                         RTE_ETHDEV_LOG(ERR,
4828                                 "memzone %s does not justify the requested attributes\n",
4829                                 mz->name);
4830                         return NULL;
4831                 }
4832
4833                 return mz;
4834         }
4835
4836         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4837                         RTE_MEMZONE_IOVA_CONTIG, align);
4838 }
4839
4840 int
4841 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4842                 uint16_t queue_id)
4843 {
4844         char z_name[RTE_MEMZONE_NAMESIZE];
4845         const struct rte_memzone *mz;
4846         int rc = 0;
4847
4848         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4849                         queue_id, ring_name);
4850         if (rc >= RTE_MEMZONE_NAMESIZE) {
4851                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4852                 return -ENAMETOOLONG;
4853         }
4854
4855         mz = rte_memzone_lookup(z_name);
4856         if (mz)
4857                 rc = rte_memzone_free(mz);
4858         else
4859                 rc = -ENOENT;
4860
4861         return rc;
4862 }
4863
4864 int
4865 rte_eth_dev_create(struct rte_device *device, const char *name,
4866         size_t priv_data_size,
4867         ethdev_bus_specific_init ethdev_bus_specific_init,
4868         void *bus_init_params,
4869         ethdev_init_t ethdev_init, void *init_params)
4870 {
4871         struct rte_eth_dev *ethdev;
4872         int retval;
4873
4874         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4875
4876         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4877                 ethdev = rte_eth_dev_allocate(name);
4878                 if (!ethdev)
4879                         return -ENODEV;
4880
4881                 if (priv_data_size) {
4882                         ethdev->data->dev_private = rte_zmalloc_socket(
4883                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4884                                 device->numa_node);
4885
4886                         if (!ethdev->data->dev_private) {
4887                                 RTE_ETHDEV_LOG(ERR,
4888                                         "failed to allocate private data\n");
4889                                 retval = -ENOMEM;
4890                                 goto probe_failed;
4891                         }
4892                 }
4893         } else {
4894                 ethdev = rte_eth_dev_attach_secondary(name);
4895                 if (!ethdev) {
4896                         RTE_ETHDEV_LOG(ERR,
4897                                 "secondary process attach failed, ethdev doesn't exist\n");
4898                         return  -ENODEV;
4899                 }
4900         }
4901
4902         ethdev->device = device;
4903
4904         if (ethdev_bus_specific_init) {
4905                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4906                 if (retval) {
4907                         RTE_ETHDEV_LOG(ERR,
4908                                 "ethdev bus specific initialisation failed\n");
4909                         goto probe_failed;
4910                 }
4911         }
4912
4913         retval = ethdev_init(ethdev, init_params);
4914         if (retval) {
4915                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4916                 goto probe_failed;
4917         }
4918
4919         rte_eth_dev_probing_finish(ethdev);
4920
4921         return retval;
4922
4923 probe_failed:
4924         rte_eth_dev_release_port(ethdev);
4925         return retval;
4926 }
4927
4928 int
4929 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4930         ethdev_uninit_t ethdev_uninit)
4931 {
4932         int ret;
4933
4934         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4935         if (!ethdev)
4936                 return -ENODEV;
4937
4938         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4939
4940         ret = ethdev_uninit(ethdev);
4941         if (ret)
4942                 return ret;
4943
4944         return rte_eth_dev_release_port(ethdev);
4945 }
4946
4947 int
4948 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4949                           int epfd, int op, void *data)
4950 {
4951         uint32_t vec;
4952         struct rte_eth_dev *dev;
4953         struct rte_intr_handle *intr_handle;
4954         int rc;
4955
4956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4957         dev = &rte_eth_devices[port_id];
4958
4959         if (queue_id >= dev->data->nb_rx_queues) {
4960                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4961                 return -EINVAL;
4962         }
4963
4964         if (!dev->intr_handle) {
4965                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4966                 return -ENOTSUP;
4967         }
4968
4969         intr_handle = dev->intr_handle;
4970         if (!intr_handle->intr_vec) {
4971                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4972                 return -EPERM;
4973         }
4974
4975         vec = intr_handle->intr_vec[queue_id];
4976         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4977         if (rc && rc != -EEXIST) {
4978                 RTE_ETHDEV_LOG(ERR,
4979                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4980                         port_id, queue_id, op, epfd, vec);
4981                 return rc;
4982         }
4983
4984         return 0;
4985 }
4986
4987 int
4988 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4989                            uint16_t queue_id)
4990 {
4991         struct rte_eth_dev *dev;
4992         int ret;
4993
4994         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4995         dev = &rte_eth_devices[port_id];
4996
4997         ret = eth_dev_validate_rx_queue(dev, queue_id);
4998         if (ret != 0)
4999                 return ret;
5000
5001         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5002         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5003 }
5004
5005 int
5006 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5007                             uint16_t queue_id)
5008 {
5009         struct rte_eth_dev *dev;
5010         int ret;
5011
5012         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5013         dev = &rte_eth_devices[port_id];
5014
5015         ret = eth_dev_validate_rx_queue(dev, queue_id);
5016         if (ret != 0)
5017                 return ret;
5018
5019         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5020         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5021 }
5022
5023
5024 const struct rte_eth_rxtx_callback *
5025 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5026                 rte_rx_callback_fn fn, void *user_param)
5027 {
5028 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5029         rte_errno = ENOTSUP;
5030         return NULL;
5031 #endif
5032         struct rte_eth_dev *dev;
5033
5034         /* check input parameters */
5035         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5036                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5037                 rte_errno = EINVAL;
5038                 return NULL;
5039         }
5040         dev = &rte_eth_devices[port_id];
5041         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5042                 rte_errno = EINVAL;
5043                 return NULL;
5044         }
5045         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5046
5047         if (cb == NULL) {
5048                 rte_errno = ENOMEM;
5049                 return NULL;
5050         }
5051
5052         cb->fn.rx = fn;
5053         cb->param = user_param;
5054
5055         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5056         /* Add the callbacks in fifo order. */
5057         struct rte_eth_rxtx_callback *tail =
5058                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5059
5060         if (!tail) {
5061                 /* Stores to cb->fn and cb->param should complete before
5062                  * cb is visible to data plane.
5063                  */
5064                 __atomic_store_n(
5065                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5066                         cb, __ATOMIC_RELEASE);
5067
5068         } else {
5069                 while (tail->next)
5070                         tail = tail->next;
5071                 /* Stores to cb->fn and cb->param should complete before
5072                  * cb is visible to data plane.
5073                  */
5074                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5075         }
5076         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5077
5078         return cb;
5079 }
5080
5081 const struct rte_eth_rxtx_callback *
5082 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5083                 rte_rx_callback_fn fn, void *user_param)
5084 {
5085 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5086         rte_errno = ENOTSUP;
5087         return NULL;
5088 #endif
5089         /* check input parameters */
5090         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5091                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5092                 rte_errno = EINVAL;
5093                 return NULL;
5094         }
5095
5096         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5097
5098         if (cb == NULL) {
5099                 rte_errno = ENOMEM;
5100                 return NULL;
5101         }
5102
5103         cb->fn.rx = fn;
5104         cb->param = user_param;
5105
5106         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5107         /* Add the callbacks at first position */
5108         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5109         /* Stores to cb->fn, cb->param and cb->next should complete before
5110          * cb is visible to data plane threads.
5111          */
5112         __atomic_store_n(
5113                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5114                 cb, __ATOMIC_RELEASE);
5115         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5116
5117         return cb;
5118 }
5119
5120 const struct rte_eth_rxtx_callback *
5121 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5122                 rte_tx_callback_fn fn, void *user_param)
5123 {
5124 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5125         rte_errno = ENOTSUP;
5126         return NULL;
5127 #endif
5128         struct rte_eth_dev *dev;
5129
5130         /* check input parameters */
5131         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5132                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5133                 rte_errno = EINVAL;
5134                 return NULL;
5135         }
5136
5137         dev = &rte_eth_devices[port_id];
5138         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5139                 rte_errno = EINVAL;
5140                 return NULL;
5141         }
5142
5143         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5144
5145         if (cb == NULL) {
5146                 rte_errno = ENOMEM;
5147                 return NULL;
5148         }
5149
5150         cb->fn.tx = fn;
5151         cb->param = user_param;
5152
5153         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5154         /* Add the callbacks in fifo order. */
5155         struct rte_eth_rxtx_callback *tail =
5156                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5157
5158         if (!tail) {
5159                 /* Stores to cb->fn and cb->param should complete before
5160                  * cb is visible to data plane.
5161                  */
5162                 __atomic_store_n(
5163                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5164                         cb, __ATOMIC_RELEASE);
5165
5166         } else {
5167                 while (tail->next)
5168                         tail = tail->next;
5169                 /* Stores to cb->fn and cb->param should complete before
5170                  * cb is visible to data plane.
5171                  */
5172                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5173         }
5174         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5175
5176         return cb;
5177 }
5178
5179 int
5180 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5181                 const struct rte_eth_rxtx_callback *user_cb)
5182 {
5183 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5184         return -ENOTSUP;
5185 #endif
5186         /* Check input parameters. */
5187         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5188         if (user_cb == NULL ||
5189                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5190                 return -EINVAL;
5191
5192         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5193         struct rte_eth_rxtx_callback *cb;
5194         struct rte_eth_rxtx_callback **prev_cb;
5195         int ret = -EINVAL;
5196
5197         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5198         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5199         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5200                 cb = *prev_cb;
5201                 if (cb == user_cb) {
5202                         /* Remove the user cb from the callback list. */
5203                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5204                         ret = 0;
5205                         break;
5206                 }
5207         }
5208         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5209
5210         return ret;
5211 }
5212
5213 int
5214 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5215                 const struct rte_eth_rxtx_callback *user_cb)
5216 {
5217 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5218         return -ENOTSUP;
5219 #endif
5220         /* Check input parameters. */
5221         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5222         if (user_cb == NULL ||
5223                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5224                 return -EINVAL;
5225
5226         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5227         int ret = -EINVAL;
5228         struct rte_eth_rxtx_callback *cb;
5229         struct rte_eth_rxtx_callback **prev_cb;
5230
5231         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5232         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5233         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5234                 cb = *prev_cb;
5235                 if (cb == user_cb) {
5236                         /* Remove the user cb from the callback list. */
5237                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5238                         ret = 0;
5239                         break;
5240                 }
5241         }
5242         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5243
5244         return ret;
5245 }
5246
5247 int
5248 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5249         struct rte_eth_rxq_info *qinfo)
5250 {
5251         struct rte_eth_dev *dev;
5252
5253         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5254         dev = &rte_eth_devices[port_id];
5255
5256         if (queue_id >= dev->data->nb_rx_queues) {
5257                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5258                 return -EINVAL;
5259         }
5260
5261         if (qinfo == NULL) {
5262                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5263                         port_id, queue_id);
5264                 return -EINVAL;
5265         }
5266
5267         if (dev->data->rx_queues == NULL ||
5268                         dev->data->rx_queues[queue_id] == NULL) {
5269                 RTE_ETHDEV_LOG(ERR,
5270                                "Rx queue %"PRIu16" of device with port_id=%"
5271                                PRIu16" has not been setup\n",
5272                                queue_id, port_id);
5273                 return -EINVAL;
5274         }
5275
5276         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5277                 RTE_ETHDEV_LOG(INFO,
5278                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5279                         queue_id, port_id);
5280                 return -EINVAL;
5281         }
5282
5283         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5284
5285         memset(qinfo, 0, sizeof(*qinfo));
5286         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5287         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5288
5289         return 0;
5290 }
5291
5292 int
5293 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5294         struct rte_eth_txq_info *qinfo)
5295 {
5296         struct rte_eth_dev *dev;
5297
5298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5299         dev = &rte_eth_devices[port_id];
5300
5301         if (queue_id >= dev->data->nb_tx_queues) {
5302                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5303                 return -EINVAL;
5304         }
5305
5306         if (qinfo == NULL) {
5307                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5308                         port_id, queue_id);
5309                 return -EINVAL;
5310         }
5311
5312         if (dev->data->tx_queues == NULL ||
5313                         dev->data->tx_queues[queue_id] == NULL) {
5314                 RTE_ETHDEV_LOG(ERR,
5315                                "Tx queue %"PRIu16" of device with port_id=%"
5316                                PRIu16" has not been setup\n",
5317                                queue_id, port_id);
5318                 return -EINVAL;
5319         }
5320
5321         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5322                 RTE_ETHDEV_LOG(INFO,
5323                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5324                         queue_id, port_id);
5325                 return -EINVAL;
5326         }
5327
5328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5329
5330         memset(qinfo, 0, sizeof(*qinfo));
5331         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5332         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5333
5334         return 0;
5335 }
5336
5337 int
5338 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5339                           struct rte_eth_burst_mode *mode)
5340 {
5341         struct rte_eth_dev *dev;
5342
5343         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5344         dev = &rte_eth_devices[port_id];
5345
5346         if (queue_id >= dev->data->nb_rx_queues) {
5347                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5348                 return -EINVAL;
5349         }
5350
5351         if (mode == NULL) {
5352                 RTE_ETHDEV_LOG(ERR,
5353                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5354                         port_id, queue_id);
5355                 return -EINVAL;
5356         }
5357
5358         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5359         memset(mode, 0, sizeof(*mode));
5360         return eth_err(port_id,
5361                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5362 }
5363
5364 int
5365 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5366                           struct rte_eth_burst_mode *mode)
5367 {
5368         struct rte_eth_dev *dev;
5369
5370         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5371         dev = &rte_eth_devices[port_id];
5372
5373         if (queue_id >= dev->data->nb_tx_queues) {
5374                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5375                 return -EINVAL;
5376         }
5377
5378         if (mode == NULL) {
5379                 RTE_ETHDEV_LOG(ERR,
5380                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5381                         port_id, queue_id);
5382                 return -EINVAL;
5383         }
5384
5385         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5386         memset(mode, 0, sizeof(*mode));
5387         return eth_err(port_id,
5388                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5389 }
5390
5391 int
5392 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5393                 struct rte_power_monitor_cond *pmc)
5394 {
5395         struct rte_eth_dev *dev;
5396
5397         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5398         dev = &rte_eth_devices[port_id];
5399
5400         if (queue_id >= dev->data->nb_rx_queues) {
5401                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5402                 return -EINVAL;
5403         }
5404
5405         if (pmc == NULL) {
5406                 RTE_ETHDEV_LOG(ERR,
5407                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5408                         port_id, queue_id);
5409                 return -EINVAL;
5410         }
5411
5412         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5413         return eth_err(port_id,
5414                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5415 }
5416
5417 int
5418 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5419                              struct rte_ether_addr *mc_addr_set,
5420                              uint32_t nb_mc_addr)
5421 {
5422         struct rte_eth_dev *dev;
5423
5424         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5425         dev = &rte_eth_devices[port_id];
5426
5427         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5428         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5429                                                 mc_addr_set, nb_mc_addr));
5430 }
5431
5432 int
5433 rte_eth_timesync_enable(uint16_t port_id)
5434 {
5435         struct rte_eth_dev *dev;
5436
5437         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5438         dev = &rte_eth_devices[port_id];
5439
5440         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5441         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5442 }
5443
5444 int
5445 rte_eth_timesync_disable(uint16_t port_id)
5446 {
5447         struct rte_eth_dev *dev;
5448
5449         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5450         dev = &rte_eth_devices[port_id];
5451
5452         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5453         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5454 }
5455
5456 int
5457 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5458                                    uint32_t flags)
5459 {
5460         struct rte_eth_dev *dev;
5461
5462         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5463         dev = &rte_eth_devices[port_id];
5464
5465         if (timestamp == NULL) {
5466                 RTE_ETHDEV_LOG(ERR,
5467                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5468                         port_id);
5469                 return -EINVAL;
5470         }
5471
5472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5473         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5474                                 (dev, timestamp, flags));
5475 }
5476
5477 int
5478 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5479                                    struct timespec *timestamp)
5480 {
5481         struct rte_eth_dev *dev;
5482
5483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5484         dev = &rte_eth_devices[port_id];
5485
5486         if (timestamp == NULL) {
5487                 RTE_ETHDEV_LOG(ERR,
5488                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5489                         port_id);
5490                 return -EINVAL;
5491         }
5492
5493         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5494         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5495                                 (dev, timestamp));
5496 }
5497
5498 int
5499 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5500 {
5501         struct rte_eth_dev *dev;
5502
5503         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5504         dev = &rte_eth_devices[port_id];
5505
5506         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5507         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5508 }
5509
5510 int
5511 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5512 {
5513         struct rte_eth_dev *dev;
5514
5515         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5516         dev = &rte_eth_devices[port_id];
5517
5518         if (timestamp == NULL) {
5519                 RTE_ETHDEV_LOG(ERR,
5520                         "Cannot read ethdev port %u timesync time to NULL\n",
5521                         port_id);
5522                 return -EINVAL;
5523         }
5524
5525         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5526         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5527                                                                 timestamp));
5528 }
5529
5530 int
5531 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5532 {
5533         struct rte_eth_dev *dev;
5534
5535         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5536         dev = &rte_eth_devices[port_id];
5537
5538         if (timestamp == NULL) {
5539                 RTE_ETHDEV_LOG(ERR,
5540                         "Cannot write ethdev port %u timesync from NULL time\n",
5541                         port_id);
5542                 return -EINVAL;
5543         }
5544
5545         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5546         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5547                                                                 timestamp));
5548 }
5549
5550 int
5551 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5552 {
5553         struct rte_eth_dev *dev;
5554
5555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5556         dev = &rte_eth_devices[port_id];
5557
5558         if (clock == NULL) {
5559                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5560                         port_id);
5561                 return -EINVAL;
5562         }
5563
5564         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5565         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5566 }
5567
5568 int
5569 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5570 {
5571         struct rte_eth_dev *dev;
5572
5573         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5574         dev = &rte_eth_devices[port_id];
5575
5576         if (info == NULL) {
5577                 RTE_ETHDEV_LOG(ERR,
5578                         "Cannot get ethdev port %u register info to NULL\n",
5579                         port_id);
5580                 return -EINVAL;
5581         }
5582
5583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5584         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5585 }
5586
5587 int
5588 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5589 {
5590         struct rte_eth_dev *dev;
5591
5592         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5593         dev = &rte_eth_devices[port_id];
5594
5595         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5596         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5597 }
5598
5599 int
5600 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5601 {
5602         struct rte_eth_dev *dev;
5603
5604         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5605         dev = &rte_eth_devices[port_id];
5606
5607         if (info == NULL) {
5608                 RTE_ETHDEV_LOG(ERR,
5609                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5610                         port_id);
5611                 return -EINVAL;
5612         }
5613
5614         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5615         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5616 }
5617
5618 int
5619 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5620 {
5621         struct rte_eth_dev *dev;
5622
5623         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5624         dev = &rte_eth_devices[port_id];
5625
5626         if (info == NULL) {
5627                 RTE_ETHDEV_LOG(ERR,
5628                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5629                         port_id);
5630                 return -EINVAL;
5631         }
5632
5633         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5634         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5635 }
5636
5637 int
5638 rte_eth_dev_get_module_info(uint16_t port_id,
5639                             struct rte_eth_dev_module_info *modinfo)
5640 {
5641         struct rte_eth_dev *dev;
5642
5643         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5644         dev = &rte_eth_devices[port_id];
5645
5646         if (modinfo == NULL) {
5647                 RTE_ETHDEV_LOG(ERR,
5648                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5649                         port_id);
5650                 return -EINVAL;
5651         }
5652
5653         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5654         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5655 }
5656
5657 int
5658 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5659                               struct rte_dev_eeprom_info *info)
5660 {
5661         struct rte_eth_dev *dev;
5662
5663         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5664         dev = &rte_eth_devices[port_id];
5665
5666         if (info == NULL) {
5667                 RTE_ETHDEV_LOG(ERR,
5668                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5669                         port_id);
5670                 return -EINVAL;
5671         }
5672
5673         if (info->data == NULL) {
5674                 RTE_ETHDEV_LOG(ERR,
5675                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5676                         port_id);
5677                 return -EINVAL;
5678         }
5679
5680         if (info->length == 0) {
5681                 RTE_ETHDEV_LOG(ERR,
5682                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5683                         port_id);
5684                 return -EINVAL;
5685         }
5686
5687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5688         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5689 }
5690
5691 int
5692 rte_eth_dev_get_dcb_info(uint16_t port_id,
5693                              struct rte_eth_dcb_info *dcb_info)
5694 {
5695         struct rte_eth_dev *dev;
5696
5697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5698         dev = &rte_eth_devices[port_id];
5699
5700         if (dcb_info == NULL) {
5701                 RTE_ETHDEV_LOG(ERR,
5702                         "Cannot get ethdev port %u DCB info to NULL\n",
5703                         port_id);
5704                 return -EINVAL;
5705         }
5706
5707         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5708
5709         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5710         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5711 }
5712
5713 static void
5714 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5715                 const struct rte_eth_desc_lim *desc_lim)
5716 {
5717         if (desc_lim->nb_align != 0)
5718                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5719
5720         if (desc_lim->nb_max != 0)
5721                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5722
5723         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5724 }
5725
5726 int
5727 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5728                                  uint16_t *nb_rx_desc,
5729                                  uint16_t *nb_tx_desc)
5730 {
5731         struct rte_eth_dev_info dev_info;
5732         int ret;
5733
5734         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5735
5736         ret = rte_eth_dev_info_get(port_id, &dev_info);
5737         if (ret != 0)
5738                 return ret;
5739
5740         if (nb_rx_desc != NULL)
5741                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5742
5743         if (nb_tx_desc != NULL)
5744                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5745
5746         return 0;
5747 }
5748
5749 int
5750 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5751                                    struct rte_eth_hairpin_cap *cap)
5752 {
5753         struct rte_eth_dev *dev;
5754
5755         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5756         dev = &rte_eth_devices[port_id];
5757
5758         if (cap == NULL) {
5759                 RTE_ETHDEV_LOG(ERR,
5760                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5761                         port_id);
5762                 return -EINVAL;
5763         }
5764
5765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5766         memset(cap, 0, sizeof(*cap));
5767         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5768 }
5769
5770 int
5771 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5772 {
5773         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5774                 return 1;
5775         return 0;
5776 }
5777
5778 int
5779 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5780 {
5781         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5782                 return 1;
5783         return 0;
5784 }
5785
5786 int
5787 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5788 {
5789         struct rte_eth_dev *dev;
5790
5791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5792         dev = &rte_eth_devices[port_id];
5793
5794         if (pool == NULL) {
5795                 RTE_ETHDEV_LOG(ERR,
5796                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5797                         port_id);
5798                 return -EINVAL;
5799         }
5800
5801         if (*dev->dev_ops->pool_ops_supported == NULL)
5802                 return 1; /* all pools are supported */
5803
5804         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5805 }
5806
5807 /**
5808  * A set of values to describe the possible states of a switch domain.
5809  */
5810 enum rte_eth_switch_domain_state {
5811         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5812         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5813 };
5814
5815 /**
5816  * Array of switch domains available for allocation. Array is sized to
5817  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5818  * ethdev ports in a single process.
5819  */
5820 static struct rte_eth_dev_switch {
5821         enum rte_eth_switch_domain_state state;
5822 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5823
5824 int
5825 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5826 {
5827         uint16_t i;
5828
5829         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5830
5831         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5832                 if (eth_dev_switch_domains[i].state ==
5833                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5834                         eth_dev_switch_domains[i].state =
5835                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5836                         *domain_id = i;
5837                         return 0;
5838                 }
5839         }
5840
5841         return -ENOSPC;
5842 }
5843
5844 int
5845 rte_eth_switch_domain_free(uint16_t domain_id)
5846 {
5847         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5848                 domain_id >= RTE_MAX_ETHPORTS)
5849                 return -EINVAL;
5850
5851         if (eth_dev_switch_domains[domain_id].state !=
5852                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5853                 return -EINVAL;
5854
5855         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5856
5857         return 0;
5858 }
5859
5860 static int
5861 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5862 {
5863         int state;
5864         struct rte_kvargs_pair *pair;
5865         char *letter;
5866
5867         arglist->str = strdup(str_in);
5868         if (arglist->str == NULL)
5869                 return -ENOMEM;
5870
5871         letter = arglist->str;
5872         state = 0;
5873         arglist->count = 0;
5874         pair = &arglist->pairs[0];
5875         while (1) {
5876                 switch (state) {
5877                 case 0: /* Initial */
5878                         if (*letter == '=')
5879                                 return -EINVAL;
5880                         else if (*letter == '\0')
5881                                 return 0;
5882
5883                         state = 1;
5884                         pair->key = letter;
5885                         /* fall-thru */
5886
5887                 case 1: /* Parsing key */
5888                         if (*letter == '=') {
5889                                 *letter = '\0';
5890                                 pair->value = letter + 1;
5891                                 state = 2;
5892                         } else if (*letter == ',' || *letter == '\0')
5893                                 return -EINVAL;
5894                         break;
5895
5896
5897                 case 2: /* Parsing value */
5898                         if (*letter == '[')
5899                                 state = 3;
5900                         else if (*letter == ',') {
5901                                 *letter = '\0';
5902                                 arglist->count++;
5903                                 pair = &arglist->pairs[arglist->count];
5904                                 state = 0;
5905                         } else if (*letter == '\0') {
5906                                 letter--;
5907                                 arglist->count++;
5908                                 pair = &arglist->pairs[arglist->count];
5909                                 state = 0;
5910                         }
5911                         break;
5912
5913                 case 3: /* Parsing list */
5914                         if (*letter == ']')
5915                                 state = 2;
5916                         else if (*letter == '\0')
5917                                 return -EINVAL;
5918                         break;
5919                 }
5920                 letter++;
5921         }
5922 }
5923
5924 int
5925 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5926 {
5927         struct rte_kvargs args;
5928         struct rte_kvargs_pair *pair;
5929         unsigned int i;
5930         int result = 0;
5931
5932         memset(eth_da, 0, sizeof(*eth_da));
5933
5934         result = eth_dev_devargs_tokenise(&args, dargs);
5935         if (result < 0)
5936                 goto parse_cleanup;
5937
5938         for (i = 0; i < args.count; i++) {
5939                 pair = &args.pairs[i];
5940                 if (strcmp("representor", pair->key) == 0) {
5941                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5942                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5943                                         dargs);
5944                                 result = -1;
5945                                 goto parse_cleanup;
5946                         }
5947                         result = rte_eth_devargs_parse_representor_ports(
5948                                         pair->value, eth_da);
5949                         if (result < 0)
5950                                 goto parse_cleanup;
5951                 }
5952         }
5953
5954 parse_cleanup:
5955         if (args.str)
5956                 free(args.str);
5957
5958         return result;
5959 }
5960
5961 int
5962 rte_eth_representor_id_get(uint16_t port_id,
5963                            enum rte_eth_representor_type type,
5964                            int controller, int pf, int representor_port,
5965                            uint16_t *repr_id)
5966 {
5967         int ret, n, count;
5968         uint32_t i;
5969         struct rte_eth_representor_info *info = NULL;
5970         size_t size;
5971
5972         if (type == RTE_ETH_REPRESENTOR_NONE)
5973                 return 0;
5974         if (repr_id == NULL)
5975                 return -EINVAL;
5976
5977         /* Get PMD representor range info. */
5978         ret = rte_eth_representor_info_get(port_id, NULL);
5979         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
5980             controller == -1 && pf == -1) {
5981                 /* Direct mapping for legacy VF representor. */
5982                 *repr_id = representor_port;
5983                 return 0;
5984         } else if (ret < 0) {
5985                 return ret;
5986         }
5987         n = ret;
5988         size = sizeof(*info) + n * sizeof(info->ranges[0]);
5989         info = calloc(1, size);
5990         if (info == NULL)
5991                 return -ENOMEM;
5992         info->nb_ranges_alloc = n;
5993         ret = rte_eth_representor_info_get(port_id, info);
5994         if (ret < 0)
5995                 goto out;
5996
5997         /* Default controller and pf to caller. */
5998         if (controller == -1)
5999                 controller = info->controller;
6000         if (pf == -1)
6001                 pf = info->pf;
6002
6003         /* Locate representor ID. */
6004         ret = -ENOENT;
6005         for (i = 0; i < info->nb_ranges; ++i) {
6006                 if (info->ranges[i].type != type)
6007                         continue;
6008                 if (info->ranges[i].controller != controller)
6009                         continue;
6010                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6011                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6012                                 port_id, info->ranges[i].id_base,
6013                                 info->ranges[i].id_end, i);
6014                         continue;
6015
6016                 }
6017                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6018                 switch (info->ranges[i].type) {
6019                 case RTE_ETH_REPRESENTOR_PF:
6020                         if (pf < info->ranges[i].pf ||
6021                             pf >= info->ranges[i].pf + count)
6022                                 continue;
6023                         *repr_id = info->ranges[i].id_base +
6024                                    (pf - info->ranges[i].pf);
6025                         ret = 0;
6026                         goto out;
6027                 case RTE_ETH_REPRESENTOR_VF:
6028                         if (info->ranges[i].pf != pf)
6029                                 continue;
6030                         if (representor_port < info->ranges[i].vf ||
6031                             representor_port >= info->ranges[i].vf + count)
6032                                 continue;
6033                         *repr_id = info->ranges[i].id_base +
6034                                    (representor_port - info->ranges[i].vf);
6035                         ret = 0;
6036                         goto out;
6037                 case RTE_ETH_REPRESENTOR_SF:
6038                         if (info->ranges[i].pf != pf)
6039                                 continue;
6040                         if (representor_port < info->ranges[i].sf ||
6041                             representor_port >= info->ranges[i].sf + count)
6042                                 continue;
6043                         *repr_id = info->ranges[i].id_base +
6044                               (representor_port - info->ranges[i].sf);
6045                         ret = 0;
6046                         goto out;
6047                 default:
6048                         break;
6049                 }
6050         }
6051 out:
6052         free(info);
6053         return ret;
6054 }
6055
6056 static int
6057 eth_dev_handle_port_list(const char *cmd __rte_unused,
6058                 const char *params __rte_unused,
6059                 struct rte_tel_data *d)
6060 {
6061         int port_id;
6062
6063         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6064         RTE_ETH_FOREACH_DEV(port_id)
6065                 rte_tel_data_add_array_int(d, port_id);
6066         return 0;
6067 }
6068
6069 static void
6070 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6071                 const char *stat_name)
6072 {
6073         int q;
6074         struct rte_tel_data *q_data = rte_tel_data_alloc();
6075         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6076         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6077                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6078         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6079 }
6080
6081 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6082
6083 static int
6084 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6085                 const char *params,
6086                 struct rte_tel_data *d)
6087 {
6088         struct rte_eth_stats stats;
6089         int port_id, ret;
6090
6091         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6092                 return -1;
6093
6094         port_id = atoi(params);
6095         if (!rte_eth_dev_is_valid_port(port_id))
6096                 return -1;
6097
6098         ret = rte_eth_stats_get(port_id, &stats);
6099         if (ret < 0)
6100                 return -1;
6101
6102         rte_tel_data_start_dict(d);
6103         ADD_DICT_STAT(stats, ipackets);
6104         ADD_DICT_STAT(stats, opackets);
6105         ADD_DICT_STAT(stats, ibytes);
6106         ADD_DICT_STAT(stats, obytes);
6107         ADD_DICT_STAT(stats, imissed);
6108         ADD_DICT_STAT(stats, ierrors);
6109         ADD_DICT_STAT(stats, oerrors);
6110         ADD_DICT_STAT(stats, rx_nombuf);
6111         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6112         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6113         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6114         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6115         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6116
6117         return 0;
6118 }
6119
6120 static int
6121 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6122                 const char *params,
6123                 struct rte_tel_data *d)
6124 {
6125         struct rte_eth_xstat *eth_xstats;
6126         struct rte_eth_xstat_name *xstat_names;
6127         int port_id, num_xstats;
6128         int i, ret;
6129         char *end_param;
6130
6131         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6132                 return -1;
6133
6134         port_id = strtoul(params, &end_param, 0);
6135         if (*end_param != '\0')
6136                 RTE_ETHDEV_LOG(NOTICE,
6137                         "Extra parameters passed to ethdev telemetry command, ignoring");
6138         if (!rte_eth_dev_is_valid_port(port_id))
6139                 return -1;
6140
6141         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6142         if (num_xstats < 0)
6143                 return -1;
6144
6145         /* use one malloc for both names and stats */
6146         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6147                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6148         if (eth_xstats == NULL)
6149                 return -1;
6150         xstat_names = (void *)&eth_xstats[num_xstats];
6151
6152         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6153         if (ret < 0 || ret > num_xstats) {
6154                 free(eth_xstats);
6155                 return -1;
6156         }
6157
6158         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6159         if (ret < 0 || ret > num_xstats) {
6160                 free(eth_xstats);
6161                 return -1;
6162         }
6163
6164         rte_tel_data_start_dict(d);
6165         for (i = 0; i < num_xstats; i++)
6166                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6167                                 eth_xstats[i].value);
6168         return 0;
6169 }
6170
6171 static int
6172 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6173                 const char *params,
6174                 struct rte_tel_data *d)
6175 {
6176         static const char *status_str = "status";
6177         int ret, port_id;
6178         struct rte_eth_link link;
6179         char *end_param;
6180
6181         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6182                 return -1;
6183
6184         port_id = strtoul(params, &end_param, 0);
6185         if (*end_param != '\0')
6186                 RTE_ETHDEV_LOG(NOTICE,
6187                         "Extra parameters passed to ethdev telemetry command, ignoring");
6188         if (!rte_eth_dev_is_valid_port(port_id))
6189                 return -1;
6190
6191         ret = rte_eth_link_get_nowait(port_id, &link);
6192         if (ret < 0)
6193                 return -1;
6194
6195         rte_tel_data_start_dict(d);
6196         if (!link.link_status) {
6197                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6198                 return 0;
6199         }
6200         rte_tel_data_add_dict_string(d, status_str, "UP");
6201         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6202         rte_tel_data_add_dict_string(d, "duplex",
6203                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6204                                 "full-duplex" : "half-duplex");
6205         return 0;
6206 }
6207
6208 static int
6209 eth_dev_handle_port_info(const char *cmd __rte_unused,
6210                 const char *params,
6211                 struct rte_tel_data *d)
6212 {
6213         struct rte_tel_data *rxq_state, *txq_state;
6214         char mac_addr[RTE_ETHER_ADDR_LEN];
6215         struct rte_eth_dev *eth_dev;
6216         char *end_param;
6217         int port_id, i;
6218
6219         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6220                 return -1;
6221
6222         port_id = strtoul(params, &end_param, 0);
6223         if (*end_param != '\0')
6224                 RTE_ETHDEV_LOG(NOTICE,
6225                         "Extra parameters passed to ethdev telemetry command, ignoring");
6226
6227         if (!rte_eth_dev_is_valid_port(port_id))
6228                 return -EINVAL;
6229
6230         eth_dev = &rte_eth_devices[port_id];
6231         if (!eth_dev)
6232                 return -EINVAL;
6233
6234         rxq_state = rte_tel_data_alloc();
6235         if (!rxq_state)
6236                 return -ENOMEM;
6237
6238         txq_state = rte_tel_data_alloc();
6239         if (!txq_state)
6240                 return -ENOMEM;
6241
6242         rte_tel_data_start_dict(d);
6243         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6244         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6245         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6246                         eth_dev->data->nb_rx_queues);
6247         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6248                         eth_dev->data->nb_tx_queues);
6249         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6250         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6251         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6252                         eth_dev->data->min_rx_buf_size);
6253         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6254                         eth_dev->data->rx_mbuf_alloc_failed);
6255         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6256                          eth_dev->data->mac_addrs->addr_bytes[0],
6257                          eth_dev->data->mac_addrs->addr_bytes[1],
6258                          eth_dev->data->mac_addrs->addr_bytes[2],
6259                          eth_dev->data->mac_addrs->addr_bytes[3],
6260                          eth_dev->data->mac_addrs->addr_bytes[4],
6261                          eth_dev->data->mac_addrs->addr_bytes[5]);
6262         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6263         rte_tel_data_add_dict_int(d, "promiscuous",
6264                         eth_dev->data->promiscuous);
6265         rte_tel_data_add_dict_int(d, "scattered_rx",
6266                         eth_dev->data->scattered_rx);
6267         rte_tel_data_add_dict_int(d, "all_multicast",
6268                         eth_dev->data->all_multicast);
6269         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6270         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6271         rte_tel_data_add_dict_int(d, "dev_configured",
6272                         eth_dev->data->dev_configured);
6273
6274         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6275         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6276                 rte_tel_data_add_array_int(rxq_state,
6277                                 eth_dev->data->rx_queue_state[i]);
6278
6279         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6280         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6281                 rte_tel_data_add_array_int(txq_state,
6282                                 eth_dev->data->tx_queue_state[i]);
6283
6284         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6285         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6286         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6287         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6288         rte_tel_data_add_dict_int(d, "rx_offloads",
6289                         eth_dev->data->dev_conf.rxmode.offloads);
6290         rte_tel_data_add_dict_int(d, "tx_offloads",
6291                         eth_dev->data->dev_conf.txmode.offloads);
6292         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6293                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6294
6295         return 0;
6296 }
6297
6298 int
6299 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6300                                   struct rte_hairpin_peer_info *cur_info,
6301                                   struct rte_hairpin_peer_info *peer_info,
6302                                   uint32_t direction)
6303 {
6304         struct rte_eth_dev *dev;
6305
6306         /* Current queue information is not mandatory. */
6307         if (peer_info == NULL)
6308                 return -EINVAL;
6309
6310         /* No need to check the validity again. */
6311         dev = &rte_eth_devices[peer_port];
6312         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6313                                 -ENOTSUP);
6314
6315         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6316                                         cur_info, peer_info, direction);
6317 }
6318
6319 int
6320 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6321                                 struct rte_hairpin_peer_info *peer_info,
6322                                 uint32_t direction)
6323 {
6324         struct rte_eth_dev *dev;
6325
6326         if (peer_info == NULL)
6327                 return -EINVAL;
6328
6329         /* No need to check the validity again. */
6330         dev = &rte_eth_devices[cur_port];
6331         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6332                                 -ENOTSUP);
6333
6334         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6335                                                         peer_info, direction);
6336 }
6337
6338 int
6339 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6340                                   uint32_t direction)
6341 {
6342         struct rte_eth_dev *dev;
6343
6344         /* No need to check the validity again. */
6345         dev = &rte_eth_devices[cur_port];
6346         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6347                                 -ENOTSUP);
6348
6349         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6350                                                           direction);
6351 }
6352
6353 int
6354 rte_eth_representor_info_get(uint16_t port_id,
6355                              struct rte_eth_representor_info *info)
6356 {
6357         struct rte_eth_dev *dev;
6358
6359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6360         dev = &rte_eth_devices[port_id];
6361
6362         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6363         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6364 }
6365
6366 int
6367 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6368 {
6369         struct rte_eth_dev *dev;
6370
6371         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6372         dev = &rte_eth_devices[port_id];
6373
6374         if (dev->data->dev_configured != 0) {
6375                 RTE_ETHDEV_LOG(ERR,
6376                         "The port (id=%"PRIu16") is already configured\n",
6377                         port_id);
6378                 return -EBUSY;
6379         }
6380
6381         if (features == NULL) {
6382                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6383                 return -EINVAL;
6384         }
6385
6386         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6387         return eth_err(port_id,
6388                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6389 }
6390
6391 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6392
6393 RTE_INIT(ethdev_init_telemetry)
6394 {
6395         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6396                         "Returns list of available ethdev ports. Takes no parameters");
6397         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6398                         "Returns the common stats for a port. Parameters: int port_id");
6399         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6400                         "Returns the extended stats for a port. Parameters: int port_id");
6401         rte_telemetry_register_cmd("/ethdev/link_status",
6402                         eth_dev_handle_port_link_status,
6403                         "Returns the link status for a port. Parameters: int port_id");
6404         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6405                         "Returns the device info for a port. Parameters: int port_id");
6406 }