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_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3425                                  uint32_t *ptypes, int num)
3426 {
3427         int i, j;
3428         struct rte_eth_dev *dev;
3429         const uint32_t *all_ptypes;
3430
3431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3432         dev = &rte_eth_devices[port_id];
3433
3434         if (ptypes == NULL && num > 0) {
3435                 RTE_ETHDEV_LOG(ERR,
3436                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3437                         port_id);
3438                 return -EINVAL;
3439         }
3440
3441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3442         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3443
3444         if (!all_ptypes)
3445                 return 0;
3446
3447         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3448                 if (all_ptypes[i] & ptype_mask) {
3449                         if (j < num)
3450                                 ptypes[j] = all_ptypes[i];
3451                         j++;
3452                 }
3453
3454         return j;
3455 }
3456
3457 int
3458 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3459                                  uint32_t *set_ptypes, unsigned int num)
3460 {
3461         const uint32_t valid_ptype_masks[] = {
3462                 RTE_PTYPE_L2_MASK,
3463                 RTE_PTYPE_L3_MASK,
3464                 RTE_PTYPE_L4_MASK,
3465                 RTE_PTYPE_TUNNEL_MASK,
3466                 RTE_PTYPE_INNER_L2_MASK,
3467                 RTE_PTYPE_INNER_L3_MASK,
3468                 RTE_PTYPE_INNER_L4_MASK,
3469         };
3470         const uint32_t *all_ptypes;
3471         struct rte_eth_dev *dev;
3472         uint32_t unused_mask;
3473         unsigned int i, j;
3474         int ret;
3475
3476         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3477         dev = &rte_eth_devices[port_id];
3478
3479         if (num > 0 && set_ptypes == NULL) {
3480                 RTE_ETHDEV_LOG(ERR,
3481                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3482                         port_id);
3483                 return -EINVAL;
3484         }
3485
3486         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3487                         *dev->dev_ops->dev_ptypes_set == NULL) {
3488                 ret = 0;
3489                 goto ptype_unknown;
3490         }
3491
3492         if (ptype_mask == 0) {
3493                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3494                                 ptype_mask);
3495                 goto ptype_unknown;
3496         }
3497
3498         unused_mask = ptype_mask;
3499         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3500                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3501                 if (mask && mask != valid_ptype_masks[i]) {
3502                         ret = -EINVAL;
3503                         goto ptype_unknown;
3504                 }
3505                 unused_mask &= ~valid_ptype_masks[i];
3506         }
3507
3508         if (unused_mask) {
3509                 ret = -EINVAL;
3510                 goto ptype_unknown;
3511         }
3512
3513         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3514         if (all_ptypes == NULL) {
3515                 ret = 0;
3516                 goto ptype_unknown;
3517         }
3518
3519         /*
3520          * Accommodate as many set_ptypes as possible. If the supplied
3521          * set_ptypes array is insufficient fill it partially.
3522          */
3523         for (i = 0, j = 0; set_ptypes != NULL &&
3524                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3525                 if (ptype_mask & all_ptypes[i]) {
3526                         if (j < num - 1) {
3527                                 set_ptypes[j] = all_ptypes[i];
3528                                 j++;
3529                                 continue;
3530                         }
3531                         break;
3532                 }
3533         }
3534
3535         if (set_ptypes != NULL && j < num)
3536                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3537
3538         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3539
3540 ptype_unknown:
3541         if (num > 0)
3542                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3543
3544         return ret;
3545 }
3546
3547 int
3548 rte_eth_macaddrs_get(uint16_t port_id, struct rte_ether_addr *ma,
3549         unsigned int num)
3550 {
3551         int32_t ret;
3552         struct rte_eth_dev *dev;
3553         struct rte_eth_dev_info dev_info;
3554
3555         if (ma == NULL) {
3556                 RTE_ETHDEV_LOG(ERR, "%s: invalid parameters\n", __func__);
3557                 return -EINVAL;
3558         }
3559
3560         /* will check for us that port_id is a valid one */
3561         ret = rte_eth_dev_info_get(port_id, &dev_info);
3562         if (ret != 0)
3563                 return ret;
3564
3565         dev = &rte_eth_devices[port_id];
3566         num = RTE_MIN(dev_info.max_mac_addrs, num);
3567         memcpy(ma, dev->data->mac_addrs, num * sizeof(ma[0]));
3568
3569         return num;
3570 }
3571
3572 int
3573 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3574 {
3575         struct rte_eth_dev *dev;
3576
3577         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3578         dev = &rte_eth_devices[port_id];
3579
3580         if (mac_addr == NULL) {
3581                 RTE_ETHDEV_LOG(ERR,
3582                         "Cannot get ethdev port %u MAC address to NULL\n",
3583                         port_id);
3584                 return -EINVAL;
3585         }
3586
3587         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3588
3589         return 0;
3590 }
3591
3592 int
3593 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
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 (mtu == NULL) {
3601                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3602                         port_id);
3603                 return -EINVAL;
3604         }
3605
3606         *mtu = dev->data->mtu;
3607         return 0;
3608 }
3609
3610 int
3611 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3612 {
3613         int ret;
3614         struct rte_eth_dev_info dev_info;
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         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3620
3621         /*
3622          * Check if the device supports dev_infos_get, if it does not
3623          * skip min_mtu/max_mtu validation here as this requires values
3624          * that are populated within the call to rte_eth_dev_info_get()
3625          * which relies on dev->dev_ops->dev_infos_get.
3626          */
3627         if (*dev->dev_ops->dev_infos_get != NULL) {
3628                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3629                 if (ret != 0)
3630                         return ret;
3631
3632                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3633                         return -EINVAL;
3634         }
3635
3636         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3637         if (!ret)
3638                 dev->data->mtu = mtu;
3639
3640         return eth_err(port_id, ret);
3641 }
3642
3643 int
3644 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3645 {
3646         struct rte_eth_dev *dev;
3647         int ret;
3648
3649         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3650         dev = &rte_eth_devices[port_id];
3651
3652         if (!(dev->data->dev_conf.rxmode.offloads &
3653               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3654                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3655                         port_id);
3656                 return -ENOSYS;
3657         }
3658
3659         if (vlan_id > 4095) {
3660                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3661                         port_id, vlan_id);
3662                 return -EINVAL;
3663         }
3664         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3665
3666         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3667         if (ret == 0) {
3668                 struct rte_vlan_filter_conf *vfc;
3669                 int vidx;
3670                 int vbit;
3671
3672                 vfc = &dev->data->vlan_filter_conf;
3673                 vidx = vlan_id / 64;
3674                 vbit = vlan_id % 64;
3675
3676                 if (on)
3677                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3678                 else
3679                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3680         }
3681
3682         return eth_err(port_id, ret);
3683 }
3684
3685 int
3686 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3687                                     int on)
3688 {
3689         struct rte_eth_dev *dev;
3690
3691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3692         dev = &rte_eth_devices[port_id];
3693
3694         if (rx_queue_id >= dev->data->nb_rx_queues) {
3695                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3696                 return -EINVAL;
3697         }
3698
3699         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3700         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3701
3702         return 0;
3703 }
3704
3705 int
3706 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3707                                 enum rte_vlan_type vlan_type,
3708                                 uint16_t tpid)
3709 {
3710         struct rte_eth_dev *dev;
3711
3712         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3713         dev = &rte_eth_devices[port_id];
3714
3715         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3716         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3717                                                                tpid));
3718 }
3719
3720 int
3721 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3722 {
3723         struct rte_eth_dev_info dev_info;
3724         struct rte_eth_dev *dev;
3725         int ret = 0;
3726         int mask = 0;
3727         int cur, org = 0;
3728         uint64_t orig_offloads;
3729         uint64_t dev_offloads;
3730         uint64_t new_offloads;
3731
3732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3733         dev = &rte_eth_devices[port_id];
3734
3735         /* save original values in case of failure */
3736         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3737         dev_offloads = orig_offloads;
3738
3739         /* check which option changed by application */
3740         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3741         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3742         if (cur != org) {
3743                 if (cur)
3744                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3745                 else
3746                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3747                 mask |= ETH_VLAN_STRIP_MASK;
3748         }
3749
3750         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3751         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3752         if (cur != org) {
3753                 if (cur)
3754                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3755                 else
3756                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3757                 mask |= ETH_VLAN_FILTER_MASK;
3758         }
3759
3760         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3761         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3762         if (cur != org) {
3763                 if (cur)
3764                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3765                 else
3766                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3767                 mask |= ETH_VLAN_EXTEND_MASK;
3768         }
3769
3770         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3771         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3772         if (cur != org) {
3773                 if (cur)
3774                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3775                 else
3776                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3777                 mask |= ETH_QINQ_STRIP_MASK;
3778         }
3779
3780         /*no change*/
3781         if (mask == 0)
3782                 return ret;
3783
3784         ret = rte_eth_dev_info_get(port_id, &dev_info);
3785         if (ret != 0)
3786                 return ret;
3787
3788         /* Rx VLAN offloading must be within its device capabilities */
3789         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3790                 new_offloads = dev_offloads & ~orig_offloads;
3791                 RTE_ETHDEV_LOG(ERR,
3792                         "Ethdev port_id=%u requested new added VLAN offloads "
3793                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3794                         "0x%" PRIx64 " in %s()\n",
3795                         port_id, new_offloads, dev_info.rx_offload_capa,
3796                         __func__);
3797                 return -EINVAL;
3798         }
3799
3800         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3801         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3802         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3803         if (ret) {
3804                 /* hit an error restore  original values */
3805                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3806         }
3807
3808         return eth_err(port_id, ret);
3809 }
3810
3811 int
3812 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3813 {
3814         struct rte_eth_dev *dev;
3815         uint64_t *dev_offloads;
3816         int ret = 0;
3817
3818         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3819         dev = &rte_eth_devices[port_id];
3820         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3821
3822         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3823                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3824
3825         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3826                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3827
3828         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3829                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3830
3831         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3832                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3833
3834         return ret;
3835 }
3836
3837 int
3838 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3839 {
3840         struct rte_eth_dev *dev;
3841
3842         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3843         dev = &rte_eth_devices[port_id];
3844
3845         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3846         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3847 }
3848
3849 int
3850 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3851 {
3852         struct rte_eth_dev *dev;
3853
3854         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3855         dev = &rte_eth_devices[port_id];
3856
3857         if (fc_conf == NULL) {
3858                 RTE_ETHDEV_LOG(ERR,
3859                         "Cannot get ethdev port %u flow control config to NULL\n",
3860                         port_id);
3861                 return -EINVAL;
3862         }
3863
3864         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3865         memset(fc_conf, 0, sizeof(*fc_conf));
3866         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3867 }
3868
3869 int
3870 rte_eth_dev_flow_ctrl_set(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 set ethdev port %u flow control from NULL config\n",
3880                         port_id);
3881                 return -EINVAL;
3882         }
3883
3884         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3885                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3886                 return -EINVAL;
3887         }
3888
3889         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3890         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3891 }
3892
3893 int
3894 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3895                                    struct rte_eth_pfc_conf *pfc_conf)
3896 {
3897         struct rte_eth_dev *dev;
3898
3899         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3900         dev = &rte_eth_devices[port_id];
3901
3902         if (pfc_conf == NULL) {
3903                 RTE_ETHDEV_LOG(ERR,
3904                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3905                         port_id);
3906                 return -EINVAL;
3907         }
3908
3909         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3910                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3911                 return -EINVAL;
3912         }
3913
3914         /* High water, low water validation are device specific */
3915         if  (*dev->dev_ops->priority_flow_ctrl_set)
3916                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3917                                         (dev, pfc_conf));
3918         return -ENOTSUP;
3919 }
3920
3921 static int
3922 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3923                         uint16_t reta_size)
3924 {
3925         uint16_t i, num;
3926
3927         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3928         for (i = 0; i < num; i++) {
3929                 if (reta_conf[i].mask)
3930                         return 0;
3931         }
3932
3933         return -EINVAL;
3934 }
3935
3936 static int
3937 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3938                          uint16_t reta_size,
3939                          uint16_t max_rxq)
3940 {
3941         uint16_t i, idx, shift;
3942
3943         if (max_rxq == 0) {
3944                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3945                 return -EINVAL;
3946         }
3947
3948         for (i = 0; i < reta_size; i++) {
3949                 idx = i / RTE_RETA_GROUP_SIZE;
3950                 shift = i % RTE_RETA_GROUP_SIZE;
3951                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3952                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3953                         RTE_ETHDEV_LOG(ERR,
3954                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3955                                 idx, shift,
3956                                 reta_conf[idx].reta[shift], max_rxq);
3957                         return -EINVAL;
3958                 }
3959         }
3960
3961         return 0;
3962 }
3963
3964 int
3965 rte_eth_dev_rss_reta_update(uint16_t port_id,
3966                             struct rte_eth_rss_reta_entry64 *reta_conf,
3967                             uint16_t reta_size)
3968 {
3969         struct rte_eth_dev *dev;
3970         int ret;
3971
3972         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3973         dev = &rte_eth_devices[port_id];
3974
3975         if (reta_conf == NULL) {
3976                 RTE_ETHDEV_LOG(ERR,
3977                         "Cannot update ethdev port %u RSS RETA to NULL\n",
3978                         port_id);
3979                 return -EINVAL;
3980         }
3981
3982         if (reta_size == 0) {
3983                 RTE_ETHDEV_LOG(ERR,
3984                         "Cannot update ethdev port %u RSS RETA with zero size\n",
3985                         port_id);
3986                 return -EINVAL;
3987         }
3988
3989         /* Check mask bits */
3990         ret = eth_check_reta_mask(reta_conf, reta_size);
3991         if (ret < 0)
3992                 return ret;
3993
3994         /* Check entry value */
3995         ret = eth_check_reta_entry(reta_conf, reta_size,
3996                                 dev->data->nb_rx_queues);
3997         if (ret < 0)
3998                 return ret;
3999
4000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4001         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4002                                                              reta_size));
4003 }
4004
4005 int
4006 rte_eth_dev_rss_reta_query(uint16_t port_id,
4007                            struct rte_eth_rss_reta_entry64 *reta_conf,
4008                            uint16_t reta_size)
4009 {
4010         struct rte_eth_dev *dev;
4011         int ret;
4012
4013         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4014         dev = &rte_eth_devices[port_id];
4015
4016         if (reta_conf == NULL) {
4017                 RTE_ETHDEV_LOG(ERR,
4018                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4019                         port_id);
4020                 return -EINVAL;
4021         }
4022
4023         /* Check mask bits */
4024         ret = eth_check_reta_mask(reta_conf, reta_size);
4025         if (ret < 0)
4026                 return ret;
4027
4028         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4029         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4030                                                             reta_size));
4031 }
4032
4033 int
4034 rte_eth_dev_rss_hash_update(uint16_t port_id,
4035                             struct rte_eth_rss_conf *rss_conf)
4036 {
4037         struct rte_eth_dev *dev;
4038         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4039         int ret;
4040
4041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4042         dev = &rte_eth_devices[port_id];
4043
4044         if (rss_conf == NULL) {
4045                 RTE_ETHDEV_LOG(ERR,
4046                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4047                         port_id);
4048                 return -EINVAL;
4049         }
4050
4051         ret = rte_eth_dev_info_get(port_id, &dev_info);
4052         if (ret != 0)
4053                 return ret;
4054
4055         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4056         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4057             dev_info.flow_type_rss_offloads) {
4058                 RTE_ETHDEV_LOG(ERR,
4059                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4060                         port_id, rss_conf->rss_hf,
4061                         dev_info.flow_type_rss_offloads);
4062                 return -EINVAL;
4063         }
4064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4065         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4066                                                                  rss_conf));
4067 }
4068
4069 int
4070 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4071                               struct rte_eth_rss_conf *rss_conf)
4072 {
4073         struct rte_eth_dev *dev;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076         dev = &rte_eth_devices[port_id];
4077
4078         if (rss_conf == NULL) {
4079                 RTE_ETHDEV_LOG(ERR,
4080                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4081                         port_id);
4082                 return -EINVAL;
4083         }
4084
4085         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4086         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4087                                                                    rss_conf));
4088 }
4089
4090 int
4091 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4092                                 struct rte_eth_udp_tunnel *udp_tunnel)
4093 {
4094         struct rte_eth_dev *dev;
4095
4096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4097         dev = &rte_eth_devices[port_id];
4098
4099         if (udp_tunnel == NULL) {
4100                 RTE_ETHDEV_LOG(ERR,
4101                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4102                         port_id);
4103                 return -EINVAL;
4104         }
4105
4106         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4107                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4108                 return -EINVAL;
4109         }
4110
4111         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4112         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4113                                                                 udp_tunnel));
4114 }
4115
4116 int
4117 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4118                                    struct rte_eth_udp_tunnel *udp_tunnel)
4119 {
4120         struct rte_eth_dev *dev;
4121
4122         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4123         dev = &rte_eth_devices[port_id];
4124
4125         if (udp_tunnel == NULL) {
4126                 RTE_ETHDEV_LOG(ERR,
4127                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4128                         port_id);
4129                 return -EINVAL;
4130         }
4131
4132         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4133                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4134                 return -EINVAL;
4135         }
4136
4137         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4138         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4139                                                                 udp_tunnel));
4140 }
4141
4142 int
4143 rte_eth_led_on(uint16_t port_id)
4144 {
4145         struct rte_eth_dev *dev;
4146
4147         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4148         dev = &rte_eth_devices[port_id];
4149
4150         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4151         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4152 }
4153
4154 int
4155 rte_eth_led_off(uint16_t port_id)
4156 {
4157         struct rte_eth_dev *dev;
4158
4159         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4160         dev = &rte_eth_devices[port_id];
4161
4162         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4163         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4164 }
4165
4166 int
4167 rte_eth_fec_get_capability(uint16_t port_id,
4168                            struct rte_eth_fec_capa *speed_fec_capa,
4169                            unsigned int num)
4170 {
4171         struct rte_eth_dev *dev;
4172         int ret;
4173
4174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4175         dev = &rte_eth_devices[port_id];
4176
4177         if (speed_fec_capa == NULL && num > 0) {
4178                 RTE_ETHDEV_LOG(ERR,
4179                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4180                         port_id);
4181                 return -EINVAL;
4182         }
4183
4184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4185         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4186
4187         return ret;
4188 }
4189
4190 int
4191 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4192 {
4193         struct rte_eth_dev *dev;
4194
4195         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4196         dev = &rte_eth_devices[port_id];
4197
4198         if (fec_capa == NULL) {
4199                 RTE_ETHDEV_LOG(ERR,
4200                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4201                         port_id);
4202                 return -EINVAL;
4203         }
4204
4205         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4206         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4207 }
4208
4209 int
4210 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4211 {
4212         struct rte_eth_dev *dev;
4213
4214         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4215         dev = &rte_eth_devices[port_id];
4216
4217         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4218         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4219 }
4220
4221 /*
4222  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4223  * an empty spot.
4224  */
4225 static int
4226 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4227 {
4228         struct rte_eth_dev_info dev_info;
4229         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4230         unsigned i;
4231         int ret;
4232
4233         ret = rte_eth_dev_info_get(port_id, &dev_info);
4234         if (ret != 0)
4235                 return -1;
4236
4237         for (i = 0; i < dev_info.max_mac_addrs; i++)
4238                 if (memcmp(addr, &dev->data->mac_addrs[i],
4239                                 RTE_ETHER_ADDR_LEN) == 0)
4240                         return i;
4241
4242         return -1;
4243 }
4244
4245 static const struct rte_ether_addr null_mac_addr;
4246
4247 int
4248 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4249                         uint32_t pool)
4250 {
4251         struct rte_eth_dev *dev;
4252         int index;
4253         uint64_t pool_mask;
4254         int ret;
4255
4256         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4257         dev = &rte_eth_devices[port_id];
4258
4259         if (addr == NULL) {
4260                 RTE_ETHDEV_LOG(ERR,
4261                         "Cannot add ethdev port %u MAC address from NULL address\n",
4262                         port_id);
4263                 return -EINVAL;
4264         }
4265
4266         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4267
4268         if (rte_is_zero_ether_addr(addr)) {
4269                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4270                         port_id);
4271                 return -EINVAL;
4272         }
4273         if (pool >= ETH_64_POOLS) {
4274                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4275                 return -EINVAL;
4276         }
4277
4278         index = eth_dev_get_mac_addr_index(port_id, addr);
4279         if (index < 0) {
4280                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4281                 if (index < 0) {
4282                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4283                                 port_id);
4284                         return -ENOSPC;
4285                 }
4286         } else {
4287                 pool_mask = dev->data->mac_pool_sel[index];
4288
4289                 /* Check if both MAC address and pool is already there, and do nothing */
4290                 if (pool_mask & (1ULL << pool))
4291                         return 0;
4292         }
4293
4294         /* Update NIC */
4295         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4296
4297         if (ret == 0) {
4298                 /* Update address in NIC data structure */
4299                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4300
4301                 /* Update pool bitmap in NIC data structure */
4302                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4303         }
4304
4305         return eth_err(port_id, ret);
4306 }
4307
4308 int
4309 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4310 {
4311         struct rte_eth_dev *dev;
4312         int index;
4313
4314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4315         dev = &rte_eth_devices[port_id];
4316
4317         if (addr == NULL) {
4318                 RTE_ETHDEV_LOG(ERR,
4319                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4320                         port_id);
4321                 return -EINVAL;
4322         }
4323
4324         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4325
4326         index = eth_dev_get_mac_addr_index(port_id, addr);
4327         if (index == 0) {
4328                 RTE_ETHDEV_LOG(ERR,
4329                         "Port %u: Cannot remove default MAC address\n",
4330                         port_id);
4331                 return -EADDRINUSE;
4332         } else if (index < 0)
4333                 return 0;  /* Do nothing if address wasn't found */
4334
4335         /* Update NIC */
4336         (*dev->dev_ops->mac_addr_remove)(dev, index);
4337
4338         /* Update address in NIC data structure */
4339         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4340
4341         /* reset pool bitmap */
4342         dev->data->mac_pool_sel[index] = 0;
4343
4344         return 0;
4345 }
4346
4347 int
4348 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4349 {
4350         struct rte_eth_dev *dev;
4351         int ret;
4352
4353         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4354         dev = &rte_eth_devices[port_id];
4355
4356         if (addr == NULL) {
4357                 RTE_ETHDEV_LOG(ERR,
4358                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4359                         port_id);
4360                 return -EINVAL;
4361         }
4362
4363         if (!rte_is_valid_assigned_ether_addr(addr))
4364                 return -EINVAL;
4365
4366         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4367
4368         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4369         if (ret < 0)
4370                 return ret;
4371
4372         /* Update default address in NIC data structure */
4373         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4374
4375         return 0;
4376 }
4377
4378
4379 /*
4380  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4381  * an empty spot.
4382  */
4383 static int
4384 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4385                 const struct rte_ether_addr *addr)
4386 {
4387         struct rte_eth_dev_info dev_info;
4388         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4389         unsigned i;
4390         int ret;
4391
4392         ret = rte_eth_dev_info_get(port_id, &dev_info);
4393         if (ret != 0)
4394                 return -1;
4395
4396         if (!dev->data->hash_mac_addrs)
4397                 return -1;
4398
4399         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4400                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4401                         RTE_ETHER_ADDR_LEN) == 0)
4402                         return i;
4403
4404         return -1;
4405 }
4406
4407 int
4408 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4409                                 uint8_t on)
4410 {
4411         int index;
4412         int ret;
4413         struct rte_eth_dev *dev;
4414
4415         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4416         dev = &rte_eth_devices[port_id];
4417
4418         if (addr == NULL) {
4419                 RTE_ETHDEV_LOG(ERR,
4420                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4421                         port_id);
4422                 return -EINVAL;
4423         }
4424
4425         if (rte_is_zero_ether_addr(addr)) {
4426                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4427                         port_id);
4428                 return -EINVAL;
4429         }
4430
4431         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4432         /* Check if it's already there, and do nothing */
4433         if ((index >= 0) && on)
4434                 return 0;
4435
4436         if (index < 0) {
4437                 if (!on) {
4438                         RTE_ETHDEV_LOG(ERR,
4439                                 "Port %u: the MAC address was not set in UTA\n",
4440                                 port_id);
4441                         return -EINVAL;
4442                 }
4443
4444                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4445                 if (index < 0) {
4446                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4447                                 port_id);
4448                         return -ENOSPC;
4449                 }
4450         }
4451
4452         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4453         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4454         if (ret == 0) {
4455                 /* Update address in NIC data structure */
4456                 if (on)
4457                         rte_ether_addr_copy(addr,
4458                                         &dev->data->hash_mac_addrs[index]);
4459                 else
4460                         rte_ether_addr_copy(&null_mac_addr,
4461                                         &dev->data->hash_mac_addrs[index]);
4462         }
4463
4464         return eth_err(port_id, ret);
4465 }
4466
4467 int
4468 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4469 {
4470         struct rte_eth_dev *dev;
4471
4472         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4473         dev = &rte_eth_devices[port_id];
4474
4475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4476         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4477                                                                        on));
4478 }
4479
4480 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4481                                         uint16_t tx_rate)
4482 {
4483         struct rte_eth_dev *dev;
4484         struct rte_eth_dev_info dev_info;
4485         struct rte_eth_link link;
4486         int ret;
4487
4488         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4489         dev = &rte_eth_devices[port_id];
4490
4491         ret = rte_eth_dev_info_get(port_id, &dev_info);
4492         if (ret != 0)
4493                 return ret;
4494
4495         link = dev->data->dev_link;
4496
4497         if (queue_idx > dev_info.max_tx_queues) {
4498                 RTE_ETHDEV_LOG(ERR,
4499                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4500                         port_id, queue_idx);
4501                 return -EINVAL;
4502         }
4503
4504         if (tx_rate > link.link_speed) {
4505                 RTE_ETHDEV_LOG(ERR,
4506                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4507                         tx_rate, link.link_speed);
4508                 return -EINVAL;
4509         }
4510
4511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4512         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4513                                                         queue_idx, tx_rate));
4514 }
4515
4516 RTE_INIT(eth_dev_init_fp_ops)
4517 {
4518         uint32_t i;
4519
4520         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4521                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4522 }
4523
4524 RTE_INIT(eth_dev_init_cb_lists)
4525 {
4526         uint16_t i;
4527
4528         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4529                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4530 }
4531
4532 int
4533 rte_eth_dev_callback_register(uint16_t port_id,
4534                         enum rte_eth_event_type event,
4535                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4536 {
4537         struct rte_eth_dev *dev;
4538         struct rte_eth_dev_callback *user_cb;
4539         uint16_t next_port;
4540         uint16_t last_port;
4541
4542         if (cb_fn == NULL) {
4543                 RTE_ETHDEV_LOG(ERR,
4544                         "Cannot register ethdev port %u callback from NULL\n",
4545                         port_id);
4546                 return -EINVAL;
4547         }
4548
4549         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4550                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4551                 return -EINVAL;
4552         }
4553
4554         if (port_id == RTE_ETH_ALL) {
4555                 next_port = 0;
4556                 last_port = RTE_MAX_ETHPORTS - 1;
4557         } else {
4558                 next_port = last_port = port_id;
4559         }
4560
4561         rte_spinlock_lock(&eth_dev_cb_lock);
4562
4563         do {
4564                 dev = &rte_eth_devices[next_port];
4565
4566                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4567                         if (user_cb->cb_fn == cb_fn &&
4568                                 user_cb->cb_arg == cb_arg &&
4569                                 user_cb->event == event) {
4570                                 break;
4571                         }
4572                 }
4573
4574                 /* create a new callback. */
4575                 if (user_cb == NULL) {
4576                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4577                                 sizeof(struct rte_eth_dev_callback), 0);
4578                         if (user_cb != NULL) {
4579                                 user_cb->cb_fn = cb_fn;
4580                                 user_cb->cb_arg = cb_arg;
4581                                 user_cb->event = event;
4582                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4583                                                   user_cb, next);
4584                         } else {
4585                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4586                                 rte_eth_dev_callback_unregister(port_id, event,
4587                                                                 cb_fn, cb_arg);
4588                                 return -ENOMEM;
4589                         }
4590
4591                 }
4592         } while (++next_port <= last_port);
4593
4594         rte_spinlock_unlock(&eth_dev_cb_lock);
4595         return 0;
4596 }
4597
4598 int
4599 rte_eth_dev_callback_unregister(uint16_t port_id,
4600                         enum rte_eth_event_type event,
4601                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4602 {
4603         int ret;
4604         struct rte_eth_dev *dev;
4605         struct rte_eth_dev_callback *cb, *next;
4606         uint16_t next_port;
4607         uint16_t last_port;
4608
4609         if (cb_fn == NULL) {
4610                 RTE_ETHDEV_LOG(ERR,
4611                         "Cannot unregister ethdev port %u callback from NULL\n",
4612                         port_id);
4613                 return -EINVAL;
4614         }
4615
4616         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4617                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4618                 return -EINVAL;
4619         }
4620
4621         if (port_id == RTE_ETH_ALL) {
4622                 next_port = 0;
4623                 last_port = RTE_MAX_ETHPORTS - 1;
4624         } else {
4625                 next_port = last_port = port_id;
4626         }
4627
4628         rte_spinlock_lock(&eth_dev_cb_lock);
4629
4630         do {
4631                 dev = &rte_eth_devices[next_port];
4632                 ret = 0;
4633                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4634                      cb = next) {
4635
4636                         next = TAILQ_NEXT(cb, next);
4637
4638                         if (cb->cb_fn != cb_fn || cb->event != event ||
4639                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4640                                 continue;
4641
4642                         /*
4643                          * if this callback is not executing right now,
4644                          * then remove it.
4645                          */
4646                         if (cb->active == 0) {
4647                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4648                                 rte_free(cb);
4649                         } else {
4650                                 ret = -EAGAIN;
4651                         }
4652                 }
4653         } while (++next_port <= last_port);
4654
4655         rte_spinlock_unlock(&eth_dev_cb_lock);
4656         return ret;
4657 }
4658
4659 int
4660 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4661         enum rte_eth_event_type event, void *ret_param)
4662 {
4663         struct rte_eth_dev_callback *cb_lst;
4664         struct rte_eth_dev_callback dev_cb;
4665         int rc = 0;
4666
4667         rte_spinlock_lock(&eth_dev_cb_lock);
4668         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4669                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4670                         continue;
4671                 dev_cb = *cb_lst;
4672                 cb_lst->active = 1;
4673                 if (ret_param != NULL)
4674                         dev_cb.ret_param = ret_param;
4675
4676                 rte_spinlock_unlock(&eth_dev_cb_lock);
4677                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4678                                 dev_cb.cb_arg, dev_cb.ret_param);
4679                 rte_spinlock_lock(&eth_dev_cb_lock);
4680                 cb_lst->active = 0;
4681         }
4682         rte_spinlock_unlock(&eth_dev_cb_lock);
4683         return rc;
4684 }
4685
4686 void
4687 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4688 {
4689         if (dev == NULL)
4690                 return;
4691
4692         /*
4693          * for secondary process, at that point we expect device
4694          * to be already 'usable', so shared data and all function pointers
4695          * for fast-path devops have to be setup properly inside rte_eth_dev.
4696          */
4697         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4698                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4699
4700         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4701
4702         dev->state = RTE_ETH_DEV_ATTACHED;
4703 }
4704
4705 int
4706 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4707 {
4708         uint32_t vec;
4709         struct rte_eth_dev *dev;
4710         struct rte_intr_handle *intr_handle;
4711         uint16_t qid;
4712         int rc;
4713
4714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4715         dev = &rte_eth_devices[port_id];
4716
4717         if (!dev->intr_handle) {
4718                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4719                 return -ENOTSUP;
4720         }
4721
4722         intr_handle = dev->intr_handle;
4723         if (!intr_handle->intr_vec) {
4724                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4725                 return -EPERM;
4726         }
4727
4728         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4729                 vec = intr_handle->intr_vec[qid];
4730                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4731                 if (rc && rc != -EEXIST) {
4732                         RTE_ETHDEV_LOG(ERR,
4733                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4734                                 port_id, qid, op, epfd, vec);
4735                 }
4736         }
4737
4738         return 0;
4739 }
4740
4741 int
4742 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4743 {
4744         struct rte_intr_handle *intr_handle;
4745         struct rte_eth_dev *dev;
4746         unsigned int efd_idx;
4747         uint32_t vec;
4748         int fd;
4749
4750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4751         dev = &rte_eth_devices[port_id];
4752
4753         if (queue_id >= dev->data->nb_rx_queues) {
4754                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4755                 return -1;
4756         }
4757
4758         if (!dev->intr_handle) {
4759                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4760                 return -1;
4761         }
4762
4763         intr_handle = dev->intr_handle;
4764         if (!intr_handle->intr_vec) {
4765                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4766                 return -1;
4767         }
4768
4769         vec = intr_handle->intr_vec[queue_id];
4770         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4771                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4772         fd = intr_handle->efds[efd_idx];
4773
4774         return fd;
4775 }
4776
4777 static inline int
4778 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4779                 const char *ring_name)
4780 {
4781         return snprintf(name, len, "eth_p%d_q%d_%s",
4782                         port_id, queue_id, ring_name);
4783 }
4784
4785 const struct rte_memzone *
4786 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4787                          uint16_t queue_id, size_t size, unsigned align,
4788                          int socket_id)
4789 {
4790         char z_name[RTE_MEMZONE_NAMESIZE];
4791         const struct rte_memzone *mz;
4792         int rc;
4793
4794         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4795                         queue_id, ring_name);
4796         if (rc >= RTE_MEMZONE_NAMESIZE) {
4797                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4798                 rte_errno = ENAMETOOLONG;
4799                 return NULL;
4800         }
4801
4802         mz = rte_memzone_lookup(z_name);
4803         if (mz) {
4804                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4805                                 size > mz->len ||
4806                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4807                         RTE_ETHDEV_LOG(ERR,
4808                                 "memzone %s does not justify the requested attributes\n",
4809                                 mz->name);
4810                         return NULL;
4811                 }
4812
4813                 return mz;
4814         }
4815
4816         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4817                         RTE_MEMZONE_IOVA_CONTIG, align);
4818 }
4819
4820 int
4821 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4822                 uint16_t queue_id)
4823 {
4824         char z_name[RTE_MEMZONE_NAMESIZE];
4825         const struct rte_memzone *mz;
4826         int rc = 0;
4827
4828         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4829                         queue_id, ring_name);
4830         if (rc >= RTE_MEMZONE_NAMESIZE) {
4831                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4832                 return -ENAMETOOLONG;
4833         }
4834
4835         mz = rte_memzone_lookup(z_name);
4836         if (mz)
4837                 rc = rte_memzone_free(mz);
4838         else
4839                 rc = -ENOENT;
4840
4841         return rc;
4842 }
4843
4844 int
4845 rte_eth_dev_create(struct rte_device *device, const char *name,
4846         size_t priv_data_size,
4847         ethdev_bus_specific_init ethdev_bus_specific_init,
4848         void *bus_init_params,
4849         ethdev_init_t ethdev_init, void *init_params)
4850 {
4851         struct rte_eth_dev *ethdev;
4852         int retval;
4853
4854         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4855
4856         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4857                 ethdev = rte_eth_dev_allocate(name);
4858                 if (!ethdev)
4859                         return -ENODEV;
4860
4861                 if (priv_data_size) {
4862                         ethdev->data->dev_private = rte_zmalloc_socket(
4863                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4864                                 device->numa_node);
4865
4866                         if (!ethdev->data->dev_private) {
4867                                 RTE_ETHDEV_LOG(ERR,
4868                                         "failed to allocate private data\n");
4869                                 retval = -ENOMEM;
4870                                 goto probe_failed;
4871                         }
4872                 }
4873         } else {
4874                 ethdev = rte_eth_dev_attach_secondary(name);
4875                 if (!ethdev) {
4876                         RTE_ETHDEV_LOG(ERR,
4877                                 "secondary process attach failed, ethdev doesn't exist\n");
4878                         return  -ENODEV;
4879                 }
4880         }
4881
4882         ethdev->device = device;
4883
4884         if (ethdev_bus_specific_init) {
4885                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4886                 if (retval) {
4887                         RTE_ETHDEV_LOG(ERR,
4888                                 "ethdev bus specific initialisation failed\n");
4889                         goto probe_failed;
4890                 }
4891         }
4892
4893         retval = ethdev_init(ethdev, init_params);
4894         if (retval) {
4895                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4896                 goto probe_failed;
4897         }
4898
4899         rte_eth_dev_probing_finish(ethdev);
4900
4901         return retval;
4902
4903 probe_failed:
4904         rte_eth_dev_release_port(ethdev);
4905         return retval;
4906 }
4907
4908 int
4909 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4910         ethdev_uninit_t ethdev_uninit)
4911 {
4912         int ret;
4913
4914         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4915         if (!ethdev)
4916                 return -ENODEV;
4917
4918         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4919
4920         ret = ethdev_uninit(ethdev);
4921         if (ret)
4922                 return ret;
4923
4924         return rte_eth_dev_release_port(ethdev);
4925 }
4926
4927 int
4928 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4929                           int epfd, int op, void *data)
4930 {
4931         uint32_t vec;
4932         struct rte_eth_dev *dev;
4933         struct rte_intr_handle *intr_handle;
4934         int rc;
4935
4936         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4937         dev = &rte_eth_devices[port_id];
4938
4939         if (queue_id >= dev->data->nb_rx_queues) {
4940                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4941                 return -EINVAL;
4942         }
4943
4944         if (!dev->intr_handle) {
4945                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4946                 return -ENOTSUP;
4947         }
4948
4949         intr_handle = dev->intr_handle;
4950         if (!intr_handle->intr_vec) {
4951                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4952                 return -EPERM;
4953         }
4954
4955         vec = intr_handle->intr_vec[queue_id];
4956         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4957         if (rc && rc != -EEXIST) {
4958                 RTE_ETHDEV_LOG(ERR,
4959                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4960                         port_id, queue_id, op, epfd, vec);
4961                 return rc;
4962         }
4963
4964         return 0;
4965 }
4966
4967 int
4968 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4969                            uint16_t queue_id)
4970 {
4971         struct rte_eth_dev *dev;
4972         int ret;
4973
4974         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4975         dev = &rte_eth_devices[port_id];
4976
4977         ret = eth_dev_validate_rx_queue(dev, queue_id);
4978         if (ret != 0)
4979                 return ret;
4980
4981         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4982         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
4983 }
4984
4985 int
4986 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4987                             uint16_t queue_id)
4988 {
4989         struct rte_eth_dev *dev;
4990         int ret;
4991
4992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4993         dev = &rte_eth_devices[port_id];
4994
4995         ret = eth_dev_validate_rx_queue(dev, queue_id);
4996         if (ret != 0)
4997                 return ret;
4998
4999         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5000         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5001 }
5002
5003
5004 const struct rte_eth_rxtx_callback *
5005 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5006                 rte_rx_callback_fn fn, void *user_param)
5007 {
5008 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5009         rte_errno = ENOTSUP;
5010         return NULL;
5011 #endif
5012         struct rte_eth_dev *dev;
5013
5014         /* check input parameters */
5015         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5016                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5017                 rte_errno = EINVAL;
5018                 return NULL;
5019         }
5020         dev = &rte_eth_devices[port_id];
5021         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5022                 rte_errno = EINVAL;
5023                 return NULL;
5024         }
5025         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5026
5027         if (cb == NULL) {
5028                 rte_errno = ENOMEM;
5029                 return NULL;
5030         }
5031
5032         cb->fn.rx = fn;
5033         cb->param = user_param;
5034
5035         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5036         /* Add the callbacks in fifo order. */
5037         struct rte_eth_rxtx_callback *tail =
5038                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5039
5040         if (!tail) {
5041                 /* Stores to cb->fn and cb->param should complete before
5042                  * cb is visible to data plane.
5043                  */
5044                 __atomic_store_n(
5045                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5046                         cb, __ATOMIC_RELEASE);
5047
5048         } else {
5049                 while (tail->next)
5050                         tail = tail->next;
5051                 /* Stores to cb->fn and cb->param should complete before
5052                  * cb is visible to data plane.
5053                  */
5054                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5055         }
5056         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5057
5058         return cb;
5059 }
5060
5061 const struct rte_eth_rxtx_callback *
5062 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5063                 rte_rx_callback_fn fn, void *user_param)
5064 {
5065 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5066         rte_errno = ENOTSUP;
5067         return NULL;
5068 #endif
5069         /* check input parameters */
5070         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5071                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5072                 rte_errno = EINVAL;
5073                 return NULL;
5074         }
5075
5076         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5077
5078         if (cb == NULL) {
5079                 rte_errno = ENOMEM;
5080                 return NULL;
5081         }
5082
5083         cb->fn.rx = fn;
5084         cb->param = user_param;
5085
5086         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5087         /* Add the callbacks at first position */
5088         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5089         /* Stores to cb->fn, cb->param and cb->next should complete before
5090          * cb is visible to data plane threads.
5091          */
5092         __atomic_store_n(
5093                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5094                 cb, __ATOMIC_RELEASE);
5095         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5096
5097         return cb;
5098 }
5099
5100 const struct rte_eth_rxtx_callback *
5101 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5102                 rte_tx_callback_fn fn, void *user_param)
5103 {
5104 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5105         rte_errno = ENOTSUP;
5106         return NULL;
5107 #endif
5108         struct rte_eth_dev *dev;
5109
5110         /* check input parameters */
5111         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5112                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5113                 rte_errno = EINVAL;
5114                 return NULL;
5115         }
5116
5117         dev = &rte_eth_devices[port_id];
5118         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5119                 rte_errno = EINVAL;
5120                 return NULL;
5121         }
5122
5123         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5124
5125         if (cb == NULL) {
5126                 rte_errno = ENOMEM;
5127                 return NULL;
5128         }
5129
5130         cb->fn.tx = fn;
5131         cb->param = user_param;
5132
5133         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5134         /* Add the callbacks in fifo order. */
5135         struct rte_eth_rxtx_callback *tail =
5136                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5137
5138         if (!tail) {
5139                 /* Stores to cb->fn and cb->param should complete before
5140                  * cb is visible to data plane.
5141                  */
5142                 __atomic_store_n(
5143                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5144                         cb, __ATOMIC_RELEASE);
5145
5146         } else {
5147                 while (tail->next)
5148                         tail = tail->next;
5149                 /* Stores to cb->fn and cb->param should complete before
5150                  * cb is visible to data plane.
5151                  */
5152                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5153         }
5154         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5155
5156         return cb;
5157 }
5158
5159 int
5160 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5161                 const struct rte_eth_rxtx_callback *user_cb)
5162 {
5163 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5164         return -ENOTSUP;
5165 #endif
5166         /* Check input parameters. */
5167         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5168         if (user_cb == NULL ||
5169                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5170                 return -EINVAL;
5171
5172         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5173         struct rte_eth_rxtx_callback *cb;
5174         struct rte_eth_rxtx_callback **prev_cb;
5175         int ret = -EINVAL;
5176
5177         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5178         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5179         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5180                 cb = *prev_cb;
5181                 if (cb == user_cb) {
5182                         /* Remove the user cb from the callback list. */
5183                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5184                         ret = 0;
5185                         break;
5186                 }
5187         }
5188         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5189
5190         return ret;
5191 }
5192
5193 int
5194 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5195                 const struct rte_eth_rxtx_callback *user_cb)
5196 {
5197 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5198         return -ENOTSUP;
5199 #endif
5200         /* Check input parameters. */
5201         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5202         if (user_cb == NULL ||
5203                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5204                 return -EINVAL;
5205
5206         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5207         int ret = -EINVAL;
5208         struct rte_eth_rxtx_callback *cb;
5209         struct rte_eth_rxtx_callback **prev_cb;
5210
5211         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5212         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5213         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5214                 cb = *prev_cb;
5215                 if (cb == user_cb) {
5216                         /* Remove the user cb from the callback list. */
5217                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5218                         ret = 0;
5219                         break;
5220                 }
5221         }
5222         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5223
5224         return ret;
5225 }
5226
5227 int
5228 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5229         struct rte_eth_rxq_info *qinfo)
5230 {
5231         struct rte_eth_dev *dev;
5232
5233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5234         dev = &rte_eth_devices[port_id];
5235
5236         if (queue_id >= dev->data->nb_rx_queues) {
5237                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5238                 return -EINVAL;
5239         }
5240
5241         if (qinfo == NULL) {
5242                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5243                         port_id, queue_id);
5244                 return -EINVAL;
5245         }
5246
5247         if (dev->data->rx_queues == NULL ||
5248                         dev->data->rx_queues[queue_id] == NULL) {
5249                 RTE_ETHDEV_LOG(ERR,
5250                                "Rx queue %"PRIu16" of device with port_id=%"
5251                                PRIu16" has not been setup\n",
5252                                queue_id, port_id);
5253                 return -EINVAL;
5254         }
5255
5256         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5257                 RTE_ETHDEV_LOG(INFO,
5258                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5259                         queue_id, port_id);
5260                 return -EINVAL;
5261         }
5262
5263         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5264
5265         memset(qinfo, 0, sizeof(*qinfo));
5266         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5267         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5268
5269         return 0;
5270 }
5271
5272 int
5273 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5274         struct rte_eth_txq_info *qinfo)
5275 {
5276         struct rte_eth_dev *dev;
5277
5278         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5279         dev = &rte_eth_devices[port_id];
5280
5281         if (queue_id >= dev->data->nb_tx_queues) {
5282                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5283                 return -EINVAL;
5284         }
5285
5286         if (qinfo == NULL) {
5287                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5288                         port_id, queue_id);
5289                 return -EINVAL;
5290         }
5291
5292         if (dev->data->tx_queues == NULL ||
5293                         dev->data->tx_queues[queue_id] == NULL) {
5294                 RTE_ETHDEV_LOG(ERR,
5295                                "Tx queue %"PRIu16" of device with port_id=%"
5296                                PRIu16" has not been setup\n",
5297                                queue_id, port_id);
5298                 return -EINVAL;
5299         }
5300
5301         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5302                 RTE_ETHDEV_LOG(INFO,
5303                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5304                         queue_id, port_id);
5305                 return -EINVAL;
5306         }
5307
5308         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5309
5310         memset(qinfo, 0, sizeof(*qinfo));
5311         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5312         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5313
5314         return 0;
5315 }
5316
5317 int
5318 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5319                           struct rte_eth_burst_mode *mode)
5320 {
5321         struct rte_eth_dev *dev;
5322
5323         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5324         dev = &rte_eth_devices[port_id];
5325
5326         if (queue_id >= dev->data->nb_rx_queues) {
5327                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5328                 return -EINVAL;
5329         }
5330
5331         if (mode == NULL) {
5332                 RTE_ETHDEV_LOG(ERR,
5333                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5334                         port_id, queue_id);
5335                 return -EINVAL;
5336         }
5337
5338         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5339         memset(mode, 0, sizeof(*mode));
5340         return eth_err(port_id,
5341                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5342 }
5343
5344 int
5345 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5346                           struct rte_eth_burst_mode *mode)
5347 {
5348         struct rte_eth_dev *dev;
5349
5350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5351         dev = &rte_eth_devices[port_id];
5352
5353         if (queue_id >= dev->data->nb_tx_queues) {
5354                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5355                 return -EINVAL;
5356         }
5357
5358         if (mode == NULL) {
5359                 RTE_ETHDEV_LOG(ERR,
5360                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5361                         port_id, queue_id);
5362                 return -EINVAL;
5363         }
5364
5365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5366         memset(mode, 0, sizeof(*mode));
5367         return eth_err(port_id,
5368                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5369 }
5370
5371 int
5372 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5373                 struct rte_power_monitor_cond *pmc)
5374 {
5375         struct rte_eth_dev *dev;
5376
5377         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5378         dev = &rte_eth_devices[port_id];
5379
5380         if (queue_id >= dev->data->nb_rx_queues) {
5381                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5382                 return -EINVAL;
5383         }
5384
5385         if (pmc == NULL) {
5386                 RTE_ETHDEV_LOG(ERR,
5387                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5388                         port_id, queue_id);
5389                 return -EINVAL;
5390         }
5391
5392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5393         return eth_err(port_id,
5394                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5395 }
5396
5397 int
5398 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5399                              struct rte_ether_addr *mc_addr_set,
5400                              uint32_t nb_mc_addr)
5401 {
5402         struct rte_eth_dev *dev;
5403
5404         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5405         dev = &rte_eth_devices[port_id];
5406
5407         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5408         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5409                                                 mc_addr_set, nb_mc_addr));
5410 }
5411
5412 int
5413 rte_eth_timesync_enable(uint16_t port_id)
5414 {
5415         struct rte_eth_dev *dev;
5416
5417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5418         dev = &rte_eth_devices[port_id];
5419
5420         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5421         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5422 }
5423
5424 int
5425 rte_eth_timesync_disable(uint16_t port_id)
5426 {
5427         struct rte_eth_dev *dev;
5428
5429         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5430         dev = &rte_eth_devices[port_id];
5431
5432         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5433         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5434 }
5435
5436 int
5437 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5438                                    uint32_t flags)
5439 {
5440         struct rte_eth_dev *dev;
5441
5442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5443         dev = &rte_eth_devices[port_id];
5444
5445         if (timestamp == NULL) {
5446                 RTE_ETHDEV_LOG(ERR,
5447                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5448                         port_id);
5449                 return -EINVAL;
5450         }
5451
5452         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5453         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5454                                 (dev, timestamp, flags));
5455 }
5456
5457 int
5458 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5459                                    struct timespec *timestamp)
5460 {
5461         struct rte_eth_dev *dev;
5462
5463         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5464         dev = &rte_eth_devices[port_id];
5465
5466         if (timestamp == NULL) {
5467                 RTE_ETHDEV_LOG(ERR,
5468                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5469                         port_id);
5470                 return -EINVAL;
5471         }
5472
5473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5474         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5475                                 (dev, timestamp));
5476 }
5477
5478 int
5479 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
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         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5487         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5488 }
5489
5490 int
5491 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5492 {
5493         struct rte_eth_dev *dev;
5494
5495         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5496         dev = &rte_eth_devices[port_id];
5497
5498         if (timestamp == NULL) {
5499                 RTE_ETHDEV_LOG(ERR,
5500                         "Cannot read ethdev port %u timesync time to NULL\n",
5501                         port_id);
5502                 return -EINVAL;
5503         }
5504
5505         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5506         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5507                                                                 timestamp));
5508 }
5509
5510 int
5511 rte_eth_timesync_write_time(uint16_t port_id, const 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 write ethdev port %u timesync from NULL time\n",
5521                         port_id);
5522                 return -EINVAL;
5523         }
5524
5525         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5526         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5527                                                                 timestamp));
5528 }
5529
5530 int
5531 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
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 (clock == NULL) {
5539                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5540                         port_id);
5541                 return -EINVAL;
5542         }
5543
5544         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5545         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5546 }
5547
5548 int
5549 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5550 {
5551         struct rte_eth_dev *dev;
5552
5553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5554         dev = &rte_eth_devices[port_id];
5555
5556         if (info == NULL) {
5557                 RTE_ETHDEV_LOG(ERR,
5558                         "Cannot get ethdev port %u register info to NULL\n",
5559                         port_id);
5560                 return -EINVAL;
5561         }
5562
5563         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5564         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5565 }
5566
5567 int
5568 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5569 {
5570         struct rte_eth_dev *dev;
5571
5572         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5573         dev = &rte_eth_devices[port_id];
5574
5575         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5576         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5577 }
5578
5579 int
5580 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5581 {
5582         struct rte_eth_dev *dev;
5583
5584         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5585         dev = &rte_eth_devices[port_id];
5586
5587         if (info == NULL) {
5588                 RTE_ETHDEV_LOG(ERR,
5589                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5590                         port_id);
5591                 return -EINVAL;
5592         }
5593
5594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5595         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5596 }
5597
5598 int
5599 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5600 {
5601         struct rte_eth_dev *dev;
5602
5603         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5604         dev = &rte_eth_devices[port_id];
5605
5606         if (info == NULL) {
5607                 RTE_ETHDEV_LOG(ERR,
5608                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5609                         port_id);
5610                 return -EINVAL;
5611         }
5612
5613         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5614         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5615 }
5616
5617 int
5618 rte_eth_dev_get_module_info(uint16_t port_id,
5619                             struct rte_eth_dev_module_info *modinfo)
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 (modinfo == NULL) {
5627                 RTE_ETHDEV_LOG(ERR,
5628                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5629                         port_id);
5630                 return -EINVAL;
5631         }
5632
5633         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5634         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5635 }
5636
5637 int
5638 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5639                               struct rte_dev_eeprom_info *info)
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 (info == NULL) {
5647                 RTE_ETHDEV_LOG(ERR,
5648                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5649                         port_id);
5650                 return -EINVAL;
5651         }
5652
5653         if (info->data == NULL) {
5654                 RTE_ETHDEV_LOG(ERR,
5655                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5656                         port_id);
5657                 return -EINVAL;
5658         }
5659
5660         if (info->length == 0) {
5661                 RTE_ETHDEV_LOG(ERR,
5662                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5663                         port_id);
5664                 return -EINVAL;
5665         }
5666
5667         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5668         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5669 }
5670
5671 int
5672 rte_eth_dev_get_dcb_info(uint16_t port_id,
5673                              struct rte_eth_dcb_info *dcb_info)
5674 {
5675         struct rte_eth_dev *dev;
5676
5677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5678         dev = &rte_eth_devices[port_id];
5679
5680         if (dcb_info == NULL) {
5681                 RTE_ETHDEV_LOG(ERR,
5682                         "Cannot get ethdev port %u DCB info to NULL\n",
5683                         port_id);
5684                 return -EINVAL;
5685         }
5686
5687         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5688
5689         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5690         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5691 }
5692
5693 static void
5694 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5695                 const struct rte_eth_desc_lim *desc_lim)
5696 {
5697         if (desc_lim->nb_align != 0)
5698                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5699
5700         if (desc_lim->nb_max != 0)
5701                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5702
5703         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5704 }
5705
5706 int
5707 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5708                                  uint16_t *nb_rx_desc,
5709                                  uint16_t *nb_tx_desc)
5710 {
5711         struct rte_eth_dev_info dev_info;
5712         int ret;
5713
5714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5715
5716         ret = rte_eth_dev_info_get(port_id, &dev_info);
5717         if (ret != 0)
5718                 return ret;
5719
5720         if (nb_rx_desc != NULL)
5721                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5722
5723         if (nb_tx_desc != NULL)
5724                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5725
5726         return 0;
5727 }
5728
5729 int
5730 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5731                                    struct rte_eth_hairpin_cap *cap)
5732 {
5733         struct rte_eth_dev *dev;
5734
5735         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5736         dev = &rte_eth_devices[port_id];
5737
5738         if (cap == NULL) {
5739                 RTE_ETHDEV_LOG(ERR,
5740                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5741                         port_id);
5742                 return -EINVAL;
5743         }
5744
5745         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5746         memset(cap, 0, sizeof(*cap));
5747         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5748 }
5749
5750 int
5751 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5752 {
5753         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5754                 return 1;
5755         return 0;
5756 }
5757
5758 int
5759 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5760 {
5761         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5762                 return 1;
5763         return 0;
5764 }
5765
5766 int
5767 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5768 {
5769         struct rte_eth_dev *dev;
5770
5771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5772         dev = &rte_eth_devices[port_id];
5773
5774         if (pool == NULL) {
5775                 RTE_ETHDEV_LOG(ERR,
5776                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5777                         port_id);
5778                 return -EINVAL;
5779         }
5780
5781         if (*dev->dev_ops->pool_ops_supported == NULL)
5782                 return 1; /* all pools are supported */
5783
5784         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5785 }
5786
5787 /**
5788  * A set of values to describe the possible states of a switch domain.
5789  */
5790 enum rte_eth_switch_domain_state {
5791         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5792         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5793 };
5794
5795 /**
5796  * Array of switch domains available for allocation. Array is sized to
5797  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5798  * ethdev ports in a single process.
5799  */
5800 static struct rte_eth_dev_switch {
5801         enum rte_eth_switch_domain_state state;
5802 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5803
5804 int
5805 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5806 {
5807         uint16_t i;
5808
5809         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5810
5811         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5812                 if (eth_dev_switch_domains[i].state ==
5813                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5814                         eth_dev_switch_domains[i].state =
5815                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5816                         *domain_id = i;
5817                         return 0;
5818                 }
5819         }
5820
5821         return -ENOSPC;
5822 }
5823
5824 int
5825 rte_eth_switch_domain_free(uint16_t domain_id)
5826 {
5827         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5828                 domain_id >= RTE_MAX_ETHPORTS)
5829                 return -EINVAL;
5830
5831         if (eth_dev_switch_domains[domain_id].state !=
5832                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5833                 return -EINVAL;
5834
5835         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5836
5837         return 0;
5838 }
5839
5840 static int
5841 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5842 {
5843         int state;
5844         struct rte_kvargs_pair *pair;
5845         char *letter;
5846
5847         arglist->str = strdup(str_in);
5848         if (arglist->str == NULL)
5849                 return -ENOMEM;
5850
5851         letter = arglist->str;
5852         state = 0;
5853         arglist->count = 0;
5854         pair = &arglist->pairs[0];
5855         while (1) {
5856                 switch (state) {
5857                 case 0: /* Initial */
5858                         if (*letter == '=')
5859                                 return -EINVAL;
5860                         else if (*letter == '\0')
5861                                 return 0;
5862
5863                         state = 1;
5864                         pair->key = letter;
5865                         /* fall-thru */
5866
5867                 case 1: /* Parsing key */
5868                         if (*letter == '=') {
5869                                 *letter = '\0';
5870                                 pair->value = letter + 1;
5871                                 state = 2;
5872                         } else if (*letter == ',' || *letter == '\0')
5873                                 return -EINVAL;
5874                         break;
5875
5876
5877                 case 2: /* Parsing value */
5878                         if (*letter == '[')
5879                                 state = 3;
5880                         else if (*letter == ',') {
5881                                 *letter = '\0';
5882                                 arglist->count++;
5883                                 pair = &arglist->pairs[arglist->count];
5884                                 state = 0;
5885                         } else if (*letter == '\0') {
5886                                 letter--;
5887                                 arglist->count++;
5888                                 pair = &arglist->pairs[arglist->count];
5889                                 state = 0;
5890                         }
5891                         break;
5892
5893                 case 3: /* Parsing list */
5894                         if (*letter == ']')
5895                                 state = 2;
5896                         else if (*letter == '\0')
5897                                 return -EINVAL;
5898                         break;
5899                 }
5900                 letter++;
5901         }
5902 }
5903
5904 int
5905 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5906 {
5907         struct rte_kvargs args;
5908         struct rte_kvargs_pair *pair;
5909         unsigned int i;
5910         int result = 0;
5911
5912         memset(eth_da, 0, sizeof(*eth_da));
5913
5914         result = eth_dev_devargs_tokenise(&args, dargs);
5915         if (result < 0)
5916                 goto parse_cleanup;
5917
5918         for (i = 0; i < args.count; i++) {
5919                 pair = &args.pairs[i];
5920                 if (strcmp("representor", pair->key) == 0) {
5921                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5922                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5923                                         dargs);
5924                                 result = -1;
5925                                 goto parse_cleanup;
5926                         }
5927                         result = rte_eth_devargs_parse_representor_ports(
5928                                         pair->value, eth_da);
5929                         if (result < 0)
5930                                 goto parse_cleanup;
5931                 }
5932         }
5933
5934 parse_cleanup:
5935         if (args.str)
5936                 free(args.str);
5937
5938         return result;
5939 }
5940
5941 int
5942 rte_eth_representor_id_get(uint16_t port_id,
5943                            enum rte_eth_representor_type type,
5944                            int controller, int pf, int representor_port,
5945                            uint16_t *repr_id)
5946 {
5947         int ret, n, count;
5948         uint32_t i;
5949         struct rte_eth_representor_info *info = NULL;
5950         size_t size;
5951
5952         if (type == RTE_ETH_REPRESENTOR_NONE)
5953                 return 0;
5954         if (repr_id == NULL)
5955                 return -EINVAL;
5956
5957         /* Get PMD representor range info. */
5958         ret = rte_eth_representor_info_get(port_id, NULL);
5959         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
5960             controller == -1 && pf == -1) {
5961                 /* Direct mapping for legacy VF representor. */
5962                 *repr_id = representor_port;
5963                 return 0;
5964         } else if (ret < 0) {
5965                 return ret;
5966         }
5967         n = ret;
5968         size = sizeof(*info) + n * sizeof(info->ranges[0]);
5969         info = calloc(1, size);
5970         if (info == NULL)
5971                 return -ENOMEM;
5972         info->nb_ranges_alloc = n;
5973         ret = rte_eth_representor_info_get(port_id, info);
5974         if (ret < 0)
5975                 goto out;
5976
5977         /* Default controller and pf to caller. */
5978         if (controller == -1)
5979                 controller = info->controller;
5980         if (pf == -1)
5981                 pf = info->pf;
5982
5983         /* Locate representor ID. */
5984         ret = -ENOENT;
5985         for (i = 0; i < info->nb_ranges; ++i) {
5986                 if (info->ranges[i].type != type)
5987                         continue;
5988                 if (info->ranges[i].controller != controller)
5989                         continue;
5990                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
5991                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
5992                                 port_id, info->ranges[i].id_base,
5993                                 info->ranges[i].id_end, i);
5994                         continue;
5995
5996                 }
5997                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
5998                 switch (info->ranges[i].type) {
5999                 case RTE_ETH_REPRESENTOR_PF:
6000                         if (pf < info->ranges[i].pf ||
6001                             pf >= info->ranges[i].pf + count)
6002                                 continue;
6003                         *repr_id = info->ranges[i].id_base +
6004                                    (pf - info->ranges[i].pf);
6005                         ret = 0;
6006                         goto out;
6007                 case RTE_ETH_REPRESENTOR_VF:
6008                         if (info->ranges[i].pf != pf)
6009                                 continue;
6010                         if (representor_port < info->ranges[i].vf ||
6011                             representor_port >= info->ranges[i].vf + count)
6012                                 continue;
6013                         *repr_id = info->ranges[i].id_base +
6014                                    (representor_port - info->ranges[i].vf);
6015                         ret = 0;
6016                         goto out;
6017                 case RTE_ETH_REPRESENTOR_SF:
6018                         if (info->ranges[i].pf != pf)
6019                                 continue;
6020                         if (representor_port < info->ranges[i].sf ||
6021                             representor_port >= info->ranges[i].sf + count)
6022                                 continue;
6023                         *repr_id = info->ranges[i].id_base +
6024                               (representor_port - info->ranges[i].sf);
6025                         ret = 0;
6026                         goto out;
6027                 default:
6028                         break;
6029                 }
6030         }
6031 out:
6032         free(info);
6033         return ret;
6034 }
6035
6036 static int
6037 eth_dev_handle_port_list(const char *cmd __rte_unused,
6038                 const char *params __rte_unused,
6039                 struct rte_tel_data *d)
6040 {
6041         int port_id;
6042
6043         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6044         RTE_ETH_FOREACH_DEV(port_id)
6045                 rte_tel_data_add_array_int(d, port_id);
6046         return 0;
6047 }
6048
6049 static void
6050 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6051                 const char *stat_name)
6052 {
6053         int q;
6054         struct rte_tel_data *q_data = rte_tel_data_alloc();
6055         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6056         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6057                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6058         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6059 }
6060
6061 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6062
6063 static int
6064 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6065                 const char *params,
6066                 struct rte_tel_data *d)
6067 {
6068         struct rte_eth_stats stats;
6069         int port_id, ret;
6070
6071         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6072                 return -1;
6073
6074         port_id = atoi(params);
6075         if (!rte_eth_dev_is_valid_port(port_id))
6076                 return -1;
6077
6078         ret = rte_eth_stats_get(port_id, &stats);
6079         if (ret < 0)
6080                 return -1;
6081
6082         rte_tel_data_start_dict(d);
6083         ADD_DICT_STAT(stats, ipackets);
6084         ADD_DICT_STAT(stats, opackets);
6085         ADD_DICT_STAT(stats, ibytes);
6086         ADD_DICT_STAT(stats, obytes);
6087         ADD_DICT_STAT(stats, imissed);
6088         ADD_DICT_STAT(stats, ierrors);
6089         ADD_DICT_STAT(stats, oerrors);
6090         ADD_DICT_STAT(stats, rx_nombuf);
6091         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6092         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6093         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6094         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6095         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6096
6097         return 0;
6098 }
6099
6100 static int
6101 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6102                 const char *params,
6103                 struct rte_tel_data *d)
6104 {
6105         struct rte_eth_xstat *eth_xstats;
6106         struct rte_eth_xstat_name *xstat_names;
6107         int port_id, num_xstats;
6108         int i, ret;
6109         char *end_param;
6110
6111         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6112                 return -1;
6113
6114         port_id = strtoul(params, &end_param, 0);
6115         if (*end_param != '\0')
6116                 RTE_ETHDEV_LOG(NOTICE,
6117                         "Extra parameters passed to ethdev telemetry command, ignoring");
6118         if (!rte_eth_dev_is_valid_port(port_id))
6119                 return -1;
6120
6121         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6122         if (num_xstats < 0)
6123                 return -1;
6124
6125         /* use one malloc for both names and stats */
6126         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6127                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6128         if (eth_xstats == NULL)
6129                 return -1;
6130         xstat_names = (void *)&eth_xstats[num_xstats];
6131
6132         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6133         if (ret < 0 || ret > num_xstats) {
6134                 free(eth_xstats);
6135                 return -1;
6136         }
6137
6138         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6139         if (ret < 0 || ret > num_xstats) {
6140                 free(eth_xstats);
6141                 return -1;
6142         }
6143
6144         rte_tel_data_start_dict(d);
6145         for (i = 0; i < num_xstats; i++)
6146                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6147                                 eth_xstats[i].value);
6148         return 0;
6149 }
6150
6151 static int
6152 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6153                 const char *params,
6154                 struct rte_tel_data *d)
6155 {
6156         static const char *status_str = "status";
6157         int ret, port_id;
6158         struct rte_eth_link link;
6159         char *end_param;
6160
6161         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6162                 return -1;
6163
6164         port_id = strtoul(params, &end_param, 0);
6165         if (*end_param != '\0')
6166                 RTE_ETHDEV_LOG(NOTICE,
6167                         "Extra parameters passed to ethdev telemetry command, ignoring");
6168         if (!rte_eth_dev_is_valid_port(port_id))
6169                 return -1;
6170
6171         ret = rte_eth_link_get_nowait(port_id, &link);
6172         if (ret < 0)
6173                 return -1;
6174
6175         rte_tel_data_start_dict(d);
6176         if (!link.link_status) {
6177                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6178                 return 0;
6179         }
6180         rte_tel_data_add_dict_string(d, status_str, "UP");
6181         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6182         rte_tel_data_add_dict_string(d, "duplex",
6183                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6184                                 "full-duplex" : "half-duplex");
6185         return 0;
6186 }
6187
6188 static int
6189 eth_dev_handle_port_info(const char *cmd __rte_unused,
6190                 const char *params,
6191                 struct rte_tel_data *d)
6192 {
6193         struct rte_tel_data *rxq_state, *txq_state;
6194         char mac_addr[RTE_ETHER_ADDR_LEN];
6195         struct rte_eth_dev *eth_dev;
6196         char *end_param;
6197         int port_id, i;
6198
6199         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6200                 return -1;
6201
6202         port_id = strtoul(params, &end_param, 0);
6203         if (*end_param != '\0')
6204                 RTE_ETHDEV_LOG(NOTICE,
6205                         "Extra parameters passed to ethdev telemetry command, ignoring");
6206
6207         if (!rte_eth_dev_is_valid_port(port_id))
6208                 return -EINVAL;
6209
6210         eth_dev = &rte_eth_devices[port_id];
6211         if (!eth_dev)
6212                 return -EINVAL;
6213
6214         rxq_state = rte_tel_data_alloc();
6215         if (!rxq_state)
6216                 return -ENOMEM;
6217
6218         txq_state = rte_tel_data_alloc();
6219         if (!txq_state)
6220                 return -ENOMEM;
6221
6222         rte_tel_data_start_dict(d);
6223         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6224         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6225         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6226                         eth_dev->data->nb_rx_queues);
6227         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6228                         eth_dev->data->nb_tx_queues);
6229         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6230         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6231         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6232                         eth_dev->data->min_rx_buf_size);
6233         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6234                         eth_dev->data->rx_mbuf_alloc_failed);
6235         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6236                          eth_dev->data->mac_addrs->addr_bytes[0],
6237                          eth_dev->data->mac_addrs->addr_bytes[1],
6238                          eth_dev->data->mac_addrs->addr_bytes[2],
6239                          eth_dev->data->mac_addrs->addr_bytes[3],
6240                          eth_dev->data->mac_addrs->addr_bytes[4],
6241                          eth_dev->data->mac_addrs->addr_bytes[5]);
6242         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6243         rte_tel_data_add_dict_int(d, "promiscuous",
6244                         eth_dev->data->promiscuous);
6245         rte_tel_data_add_dict_int(d, "scattered_rx",
6246                         eth_dev->data->scattered_rx);
6247         rte_tel_data_add_dict_int(d, "all_multicast",
6248                         eth_dev->data->all_multicast);
6249         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6250         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6251         rte_tel_data_add_dict_int(d, "dev_configured",
6252                         eth_dev->data->dev_configured);
6253
6254         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6255         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6256                 rte_tel_data_add_array_int(rxq_state,
6257                                 eth_dev->data->rx_queue_state[i]);
6258
6259         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6260         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6261                 rte_tel_data_add_array_int(txq_state,
6262                                 eth_dev->data->tx_queue_state[i]);
6263
6264         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6265         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6266         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6267         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6268         rte_tel_data_add_dict_int(d, "rx_offloads",
6269                         eth_dev->data->dev_conf.rxmode.offloads);
6270         rte_tel_data_add_dict_int(d, "tx_offloads",
6271                         eth_dev->data->dev_conf.txmode.offloads);
6272         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6273                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6274
6275         return 0;
6276 }
6277
6278 int
6279 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6280                                   struct rte_hairpin_peer_info *cur_info,
6281                                   struct rte_hairpin_peer_info *peer_info,
6282                                   uint32_t direction)
6283 {
6284         struct rte_eth_dev *dev;
6285
6286         /* Current queue information is not mandatory. */
6287         if (peer_info == NULL)
6288                 return -EINVAL;
6289
6290         /* No need to check the validity again. */
6291         dev = &rte_eth_devices[peer_port];
6292         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6293                                 -ENOTSUP);
6294
6295         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6296                                         cur_info, peer_info, direction);
6297 }
6298
6299 int
6300 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6301                                 struct rte_hairpin_peer_info *peer_info,
6302                                 uint32_t direction)
6303 {
6304         struct rte_eth_dev *dev;
6305
6306         if (peer_info == NULL)
6307                 return -EINVAL;
6308
6309         /* No need to check the validity again. */
6310         dev = &rte_eth_devices[cur_port];
6311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6312                                 -ENOTSUP);
6313
6314         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6315                                                         peer_info, direction);
6316 }
6317
6318 int
6319 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6320                                   uint32_t direction)
6321 {
6322         struct rte_eth_dev *dev;
6323
6324         /* No need to check the validity again. */
6325         dev = &rte_eth_devices[cur_port];
6326         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6327                                 -ENOTSUP);
6328
6329         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6330                                                           direction);
6331 }
6332
6333 int
6334 rte_eth_representor_info_get(uint16_t port_id,
6335                              struct rte_eth_representor_info *info)
6336 {
6337         struct rte_eth_dev *dev;
6338
6339         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6340         dev = &rte_eth_devices[port_id];
6341
6342         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6343         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6344 }
6345
6346 int
6347 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6348 {
6349         struct rte_eth_dev *dev;
6350
6351         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6352         dev = &rte_eth_devices[port_id];
6353
6354         if (dev->data->dev_configured != 0) {
6355                 RTE_ETHDEV_LOG(ERR,
6356                         "The port (id=%"PRIu16") is already configured\n",
6357                         port_id);
6358                 return -EBUSY;
6359         }
6360
6361         if (features == NULL) {
6362                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6363                 return -EINVAL;
6364         }
6365
6366         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6367         return eth_err(port_id,
6368                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6369 }
6370
6371 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6372
6373 RTE_INIT(ethdev_init_telemetry)
6374 {
6375         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6376                         "Returns list of available ethdev ports. Takes no parameters");
6377         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6378                         "Returns the common stats for a port. Parameters: int port_id");
6379         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6380                         "Returns the extended stats for a port. Parameters: int port_id");
6381         rte_telemetry_register_cmd("/ethdev/link_status",
6382                         eth_dev_handle_port_link_status,
6383                         "Returns the link status for a port. Parameters: int port_id");
6384         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6385                         "Returns the device info for a port. Parameters: int port_id");
6386 }