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 static uint32_t
1319 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1320 {
1321         uint32_t overhead_len;
1322
1323         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1324                 overhead_len = max_rx_pktlen - max_mtu;
1325         else
1326                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1327
1328         return overhead_len;
1329 }
1330
1331 int
1332 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1333                       const struct rte_eth_conf *dev_conf)
1334 {
1335         struct rte_eth_dev *dev;
1336         struct rte_eth_dev_info dev_info;
1337         struct rte_eth_conf orig_conf;
1338         uint32_t max_rx_pktlen;
1339         uint32_t overhead_len;
1340         int diag;
1341         int ret;
1342         uint16_t old_mtu;
1343
1344         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1345         dev = &rte_eth_devices[port_id];
1346
1347         if (dev_conf == NULL) {
1348                 RTE_ETHDEV_LOG(ERR,
1349                         "Cannot configure ethdev port %u from NULL config\n",
1350                         port_id);
1351                 return -EINVAL;
1352         }
1353
1354         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1355
1356         if (dev->data->dev_started) {
1357                 RTE_ETHDEV_LOG(ERR,
1358                         "Port %u must be stopped to allow configuration\n",
1359                         port_id);
1360                 return -EBUSY;
1361         }
1362
1363         /*
1364          * Ensure that "dev_configured" is always 0 each time prepare to do
1365          * dev_configure() to avoid any non-anticipated behaviour.
1366          * And set to 1 when dev_configure() is executed successfully.
1367          */
1368         dev->data->dev_configured = 0;
1369
1370          /* Store original config, as rollback required on failure */
1371         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1372
1373         /*
1374          * Copy the dev_conf parameter into the dev structure.
1375          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1376          */
1377         if (dev_conf != &dev->data->dev_conf)
1378                 memcpy(&dev->data->dev_conf, dev_conf,
1379                        sizeof(dev->data->dev_conf));
1380
1381         /* Backup mtu for rollback */
1382         old_mtu = dev->data->mtu;
1383
1384         ret = rte_eth_dev_info_get(port_id, &dev_info);
1385         if (ret != 0)
1386                 goto rollback;
1387
1388         /* Get the real Ethernet overhead length */
1389         overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
1390                         dev_info.max_mtu);
1391
1392         /* If number of queues specified by application for both Rx and Tx is
1393          * zero, use driver preferred values. This cannot be done individually
1394          * as it is valid for either Tx or Rx (but not both) to be zero.
1395          * If driver does not provide any preferred valued, fall back on
1396          * EAL defaults.
1397          */
1398         if (nb_rx_q == 0 && nb_tx_q == 0) {
1399                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1400                 if (nb_rx_q == 0)
1401                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1402                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1403                 if (nb_tx_q == 0)
1404                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1405         }
1406
1407         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1408                 RTE_ETHDEV_LOG(ERR,
1409                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1410                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1411                 ret = -EINVAL;
1412                 goto rollback;
1413         }
1414
1415         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1416                 RTE_ETHDEV_LOG(ERR,
1417                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1418                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1419                 ret = -EINVAL;
1420                 goto rollback;
1421         }
1422
1423         /*
1424          * Check that the numbers of RX and TX queues are not greater
1425          * than the maximum number of RX and TX queues supported by the
1426          * configured device.
1427          */
1428         if (nb_rx_q > dev_info.max_rx_queues) {
1429                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1430                         port_id, nb_rx_q, dev_info.max_rx_queues);
1431                 ret = -EINVAL;
1432                 goto rollback;
1433         }
1434
1435         if (nb_tx_q > dev_info.max_tx_queues) {
1436                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1437                         port_id, nb_tx_q, dev_info.max_tx_queues);
1438                 ret = -EINVAL;
1439                 goto rollback;
1440         }
1441
1442         /* Check that the device supports requested interrupts */
1443         if ((dev_conf->intr_conf.lsc == 1) &&
1444                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1445                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1446                         dev->device->driver->name);
1447                 ret = -EINVAL;
1448                 goto rollback;
1449         }
1450         if ((dev_conf->intr_conf.rmv == 1) &&
1451                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1452                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1453                         dev->device->driver->name);
1454                 ret = -EINVAL;
1455                 goto rollback;
1456         }
1457
1458         /*
1459          * Check that the maximum RX packet length is supported by the
1460          * configured device.
1461          */
1462         if (dev_conf->rxmode.mtu == 0)
1463                 dev->data->dev_conf.rxmode.mtu = RTE_ETHER_MTU;
1464         max_rx_pktlen = dev->data->dev_conf.rxmode.mtu + overhead_len;
1465         if (max_rx_pktlen > dev_info.max_rx_pktlen) {
1466                 RTE_ETHDEV_LOG(ERR,
1467                         "Ethdev port_id=%u max_rx_pktlen %u > max valid value %u\n",
1468                         port_id, max_rx_pktlen, dev_info.max_rx_pktlen);
1469                 ret = -EINVAL;
1470                 goto rollback;
1471         } else if (max_rx_pktlen < RTE_ETHER_MIN_LEN) {
1472                 RTE_ETHDEV_LOG(ERR,
1473                         "Ethdev port_id=%u max_rx_pktlen %u < min valid value %u\n",
1474                         port_id, max_rx_pktlen, RTE_ETHER_MIN_LEN);
1475                 ret = -EINVAL;
1476                 goto rollback;
1477         }
1478
1479         if ((dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) == 0) {
1480                 if (dev->data->dev_conf.rxmode.mtu < RTE_ETHER_MIN_MTU ||
1481                                 dev->data->dev_conf.rxmode.mtu > RTE_ETHER_MTU)
1482                         /* Use default value */
1483                         dev->data->dev_conf.rxmode.mtu = RTE_ETHER_MTU;
1484         }
1485
1486         dev->data->mtu = dev->data->dev_conf.rxmode.mtu;
1487
1488         /*
1489          * If LRO is enabled, check that the maximum aggregated packet
1490          * size is supported by the configured device.
1491          */
1492         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1493                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1494                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
1495                 ret = eth_dev_check_lro_pkt_size(port_id,
1496                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1497                                 max_rx_pktlen,
1498                                 dev_info.max_lro_pkt_size);
1499                 if (ret != 0)
1500                         goto rollback;
1501         }
1502
1503         /* Any requested offloading must be within its device capabilities */
1504         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1505              dev_conf->rxmode.offloads) {
1506                 RTE_ETHDEV_LOG(ERR,
1507                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1508                         "capabilities 0x%"PRIx64" in %s()\n",
1509                         port_id, dev_conf->rxmode.offloads,
1510                         dev_info.rx_offload_capa,
1511                         __func__);
1512                 ret = -EINVAL;
1513                 goto rollback;
1514         }
1515         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1516              dev_conf->txmode.offloads) {
1517                 RTE_ETHDEV_LOG(ERR,
1518                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1519                         "capabilities 0x%"PRIx64" in %s()\n",
1520                         port_id, dev_conf->txmode.offloads,
1521                         dev_info.tx_offload_capa,
1522                         __func__);
1523                 ret = -EINVAL;
1524                 goto rollback;
1525         }
1526
1527         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1528                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1529
1530         /* Check that device supports requested rss hash functions. */
1531         if ((dev_info.flow_type_rss_offloads |
1532              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1533             dev_info.flow_type_rss_offloads) {
1534                 RTE_ETHDEV_LOG(ERR,
1535                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1536                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1537                         dev_info.flow_type_rss_offloads);
1538                 ret = -EINVAL;
1539                 goto rollback;
1540         }
1541
1542         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1543         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1544             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1545                 RTE_ETHDEV_LOG(ERR,
1546                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1547                         port_id,
1548                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1549                 ret = -EINVAL;
1550                 goto rollback;
1551         }
1552
1553         /*
1554          * Setup new number of RX/TX queues and reconfigure device.
1555          */
1556         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1557         if (diag != 0) {
1558                 RTE_ETHDEV_LOG(ERR,
1559                         "Port%u eth_dev_rx_queue_config = %d\n",
1560                         port_id, diag);
1561                 ret = diag;
1562                 goto rollback;
1563         }
1564
1565         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1566         if (diag != 0) {
1567                 RTE_ETHDEV_LOG(ERR,
1568                         "Port%u eth_dev_tx_queue_config = %d\n",
1569                         port_id, diag);
1570                 eth_dev_rx_queue_config(dev, 0);
1571                 ret = diag;
1572                 goto rollback;
1573         }
1574
1575         diag = (*dev->dev_ops->dev_configure)(dev);
1576         if (diag != 0) {
1577                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1578                         port_id, diag);
1579                 ret = eth_err(port_id, diag);
1580                 goto reset_queues;
1581         }
1582
1583         /* Initialize Rx profiling if enabled at compilation time. */
1584         diag = __rte_eth_dev_profile_init(port_id, dev);
1585         if (diag != 0) {
1586                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1587                         port_id, diag);
1588                 ret = eth_err(port_id, diag);
1589                 goto reset_queues;
1590         }
1591
1592         /* Validate Rx offloads. */
1593         diag = eth_dev_validate_offloads(port_id,
1594                         dev_conf->rxmode.offloads,
1595                         dev->data->dev_conf.rxmode.offloads, "Rx",
1596                         rte_eth_dev_rx_offload_name);
1597         if (diag != 0) {
1598                 ret = diag;
1599                 goto reset_queues;
1600         }
1601
1602         /* Validate Tx offloads. */
1603         diag = eth_dev_validate_offloads(port_id,
1604                         dev_conf->txmode.offloads,
1605                         dev->data->dev_conf.txmode.offloads, "Tx",
1606                         rte_eth_dev_tx_offload_name);
1607         if (diag != 0) {
1608                 ret = diag;
1609                 goto reset_queues;
1610         }
1611
1612         dev->data->dev_configured = 1;
1613         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1614         return 0;
1615 reset_queues:
1616         eth_dev_rx_queue_config(dev, 0);
1617         eth_dev_tx_queue_config(dev, 0);
1618 rollback:
1619         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1620         if (old_mtu != dev->data->mtu)
1621                 dev->data->mtu = old_mtu;
1622
1623         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1624         return ret;
1625 }
1626
1627 void
1628 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1629 {
1630         if (dev->data->dev_started) {
1631                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1632                         dev->data->port_id);
1633                 return;
1634         }
1635
1636         eth_dev_rx_queue_config(dev, 0);
1637         eth_dev_tx_queue_config(dev, 0);
1638
1639         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1640 }
1641
1642 static void
1643 eth_dev_mac_restore(struct rte_eth_dev *dev,
1644                         struct rte_eth_dev_info *dev_info)
1645 {
1646         struct rte_ether_addr *addr;
1647         uint16_t i;
1648         uint32_t pool = 0;
1649         uint64_t pool_mask;
1650
1651         /* replay MAC address configuration including default MAC */
1652         addr = &dev->data->mac_addrs[0];
1653         if (*dev->dev_ops->mac_addr_set != NULL)
1654                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1655         else if (*dev->dev_ops->mac_addr_add != NULL)
1656                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1657
1658         if (*dev->dev_ops->mac_addr_add != NULL) {
1659                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1660                         addr = &dev->data->mac_addrs[i];
1661
1662                         /* skip zero address */
1663                         if (rte_is_zero_ether_addr(addr))
1664                                 continue;
1665
1666                         pool = 0;
1667                         pool_mask = dev->data->mac_pool_sel[i];
1668
1669                         do {
1670                                 if (pool_mask & 1ULL)
1671                                         (*dev->dev_ops->mac_addr_add)(dev,
1672                                                 addr, i, pool);
1673                                 pool_mask >>= 1;
1674                                 pool++;
1675                         } while (pool_mask);
1676                 }
1677         }
1678 }
1679
1680 static int
1681 eth_dev_config_restore(struct rte_eth_dev *dev,
1682                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1683 {
1684         int ret;
1685
1686         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1687                 eth_dev_mac_restore(dev, dev_info);
1688
1689         /* replay promiscuous configuration */
1690         /*
1691          * use callbacks directly since we don't need port_id check and
1692          * would like to bypass the same value set
1693          */
1694         if (rte_eth_promiscuous_get(port_id) == 1 &&
1695             *dev->dev_ops->promiscuous_enable != NULL) {
1696                 ret = eth_err(port_id,
1697                               (*dev->dev_ops->promiscuous_enable)(dev));
1698                 if (ret != 0 && ret != -ENOTSUP) {
1699                         RTE_ETHDEV_LOG(ERR,
1700                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1701                                 port_id, rte_strerror(-ret));
1702                         return ret;
1703                 }
1704         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1705                    *dev->dev_ops->promiscuous_disable != NULL) {
1706                 ret = eth_err(port_id,
1707                               (*dev->dev_ops->promiscuous_disable)(dev));
1708                 if (ret != 0 && ret != -ENOTSUP) {
1709                         RTE_ETHDEV_LOG(ERR,
1710                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1711                                 port_id, rte_strerror(-ret));
1712                         return ret;
1713                 }
1714         }
1715
1716         /* replay all multicast configuration */
1717         /*
1718          * use callbacks directly since we don't need port_id check and
1719          * would like to bypass the same value set
1720          */
1721         if (rte_eth_allmulticast_get(port_id) == 1 &&
1722             *dev->dev_ops->allmulticast_enable != NULL) {
1723                 ret = eth_err(port_id,
1724                               (*dev->dev_ops->allmulticast_enable)(dev));
1725                 if (ret != 0 && ret != -ENOTSUP) {
1726                         RTE_ETHDEV_LOG(ERR,
1727                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1728                                 port_id, rte_strerror(-ret));
1729                         return ret;
1730                 }
1731         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1732                    *dev->dev_ops->allmulticast_disable != NULL) {
1733                 ret = eth_err(port_id,
1734                               (*dev->dev_ops->allmulticast_disable)(dev));
1735                 if (ret != 0 && ret != -ENOTSUP) {
1736                         RTE_ETHDEV_LOG(ERR,
1737                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1738                                 port_id, rte_strerror(-ret));
1739                         return ret;
1740                 }
1741         }
1742
1743         return 0;
1744 }
1745
1746 int
1747 rte_eth_dev_start(uint16_t port_id)
1748 {
1749         struct rte_eth_dev *dev;
1750         struct rte_eth_dev_info dev_info;
1751         int diag;
1752         int ret, ret_stop;
1753
1754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1755         dev = &rte_eth_devices[port_id];
1756
1757         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1758
1759         if (dev->data->dev_configured == 0) {
1760                 RTE_ETHDEV_LOG(INFO,
1761                         "Device with port_id=%"PRIu16" is not configured.\n",
1762                         port_id);
1763                 return -EINVAL;
1764         }
1765
1766         if (dev->data->dev_started != 0) {
1767                 RTE_ETHDEV_LOG(INFO,
1768                         "Device with port_id=%"PRIu16" already started\n",
1769                         port_id);
1770                 return 0;
1771         }
1772
1773         ret = rte_eth_dev_info_get(port_id, &dev_info);
1774         if (ret != 0)
1775                 return ret;
1776
1777         /* Lets restore MAC now if device does not support live change */
1778         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1779                 eth_dev_mac_restore(dev, &dev_info);
1780
1781         diag = (*dev->dev_ops->dev_start)(dev);
1782         if (diag == 0)
1783                 dev->data->dev_started = 1;
1784         else
1785                 return eth_err(port_id, diag);
1786
1787         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1788         if (ret != 0) {
1789                 RTE_ETHDEV_LOG(ERR,
1790                         "Error during restoring configuration for device (port %u): %s\n",
1791                         port_id, rte_strerror(-ret));
1792                 ret_stop = rte_eth_dev_stop(port_id);
1793                 if (ret_stop != 0) {
1794                         RTE_ETHDEV_LOG(ERR,
1795                                 "Failed to stop device (port %u): %s\n",
1796                                 port_id, rte_strerror(-ret_stop));
1797                 }
1798
1799                 return ret;
1800         }
1801
1802         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1803                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1804                 (*dev->dev_ops->link_update)(dev, 0);
1805         }
1806
1807         /* expose selection of PMD fast-path functions */
1808         eth_dev_fp_ops_setup(rte_eth_fp_ops + port_id, dev);
1809
1810         rte_ethdev_trace_start(port_id);
1811         return 0;
1812 }
1813
1814 int
1815 rte_eth_dev_stop(uint16_t port_id)
1816 {
1817         struct rte_eth_dev *dev;
1818         int ret;
1819
1820         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1821         dev = &rte_eth_devices[port_id];
1822
1823         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1824
1825         if (dev->data->dev_started == 0) {
1826                 RTE_ETHDEV_LOG(INFO,
1827                         "Device with port_id=%"PRIu16" already stopped\n",
1828                         port_id);
1829                 return 0;
1830         }
1831
1832         /* point fast-path functions to dummy ones */
1833         eth_dev_fp_ops_reset(rte_eth_fp_ops + port_id);
1834
1835         dev->data->dev_started = 0;
1836         ret = (*dev->dev_ops->dev_stop)(dev);
1837         rte_ethdev_trace_stop(port_id, ret);
1838
1839         return ret;
1840 }
1841
1842 int
1843 rte_eth_dev_set_link_up(uint16_t port_id)
1844 {
1845         struct rte_eth_dev *dev;
1846
1847         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1848         dev = &rte_eth_devices[port_id];
1849
1850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1851         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1852 }
1853
1854 int
1855 rte_eth_dev_set_link_down(uint16_t port_id)
1856 {
1857         struct rte_eth_dev *dev;
1858
1859         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1860         dev = &rte_eth_devices[port_id];
1861
1862         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1863         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1864 }
1865
1866 int
1867 rte_eth_dev_close(uint16_t port_id)
1868 {
1869         struct rte_eth_dev *dev;
1870         int firsterr, binerr;
1871         int *lasterr = &firsterr;
1872
1873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1874         dev = &rte_eth_devices[port_id];
1875
1876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1877         *lasterr = (*dev->dev_ops->dev_close)(dev);
1878         if (*lasterr != 0)
1879                 lasterr = &binerr;
1880
1881         rte_ethdev_trace_close(port_id);
1882         *lasterr = rte_eth_dev_release_port(dev);
1883
1884         return firsterr;
1885 }
1886
1887 int
1888 rte_eth_dev_reset(uint16_t port_id)
1889 {
1890         struct rte_eth_dev *dev;
1891         int ret;
1892
1893         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1894         dev = &rte_eth_devices[port_id];
1895
1896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1897
1898         ret = rte_eth_dev_stop(port_id);
1899         if (ret != 0) {
1900                 RTE_ETHDEV_LOG(ERR,
1901                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1902                         port_id, rte_strerror(-ret));
1903         }
1904         ret = dev->dev_ops->dev_reset(dev);
1905
1906         return eth_err(port_id, ret);
1907 }
1908
1909 int
1910 rte_eth_dev_is_removed(uint16_t port_id)
1911 {
1912         struct rte_eth_dev *dev;
1913         int ret;
1914
1915         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1916         dev = &rte_eth_devices[port_id];
1917
1918         if (dev->state == RTE_ETH_DEV_REMOVED)
1919                 return 1;
1920
1921         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1922
1923         ret = dev->dev_ops->is_removed(dev);
1924         if (ret != 0)
1925                 /* Device is physically removed. */
1926                 dev->state = RTE_ETH_DEV_REMOVED;
1927
1928         return ret;
1929 }
1930
1931 static int
1932 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1933                              uint16_t n_seg, uint32_t *mbp_buf_size,
1934                              const struct rte_eth_dev_info *dev_info)
1935 {
1936         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1937         struct rte_mempool *mp_first;
1938         uint32_t offset_mask;
1939         uint16_t seg_idx;
1940
1941         if (n_seg > seg_capa->max_nseg) {
1942                 RTE_ETHDEV_LOG(ERR,
1943                                "Requested Rx segments %u exceed supported %u\n",
1944                                n_seg, seg_capa->max_nseg);
1945                 return -EINVAL;
1946         }
1947         /*
1948          * Check the sizes and offsets against buffer sizes
1949          * for each segment specified in extended configuration.
1950          */
1951         mp_first = rx_seg[0].mp;
1952         offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1953         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1954                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1955                 uint32_t length = rx_seg[seg_idx].length;
1956                 uint32_t offset = rx_seg[seg_idx].offset;
1957
1958                 if (mpl == NULL) {
1959                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1960                         return -EINVAL;
1961                 }
1962                 if (seg_idx != 0 && mp_first != mpl &&
1963                     seg_capa->multi_pools == 0) {
1964                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1965                         return -ENOTSUP;
1966                 }
1967                 if (offset != 0) {
1968                         if (seg_capa->offset_allowed == 0) {
1969                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1970                                 return -ENOTSUP;
1971                         }
1972                         if (offset & offset_mask) {
1973                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1974                                                offset,
1975                                                seg_capa->offset_align_log2);
1976                                 return -EINVAL;
1977                         }
1978                 }
1979                 if (mpl->private_data_size <
1980                         sizeof(struct rte_pktmbuf_pool_private)) {
1981                         RTE_ETHDEV_LOG(ERR,
1982                                        "%s private_data_size %u < %u\n",
1983                                        mpl->name, mpl->private_data_size,
1984                                        (unsigned int)sizeof
1985                                         (struct rte_pktmbuf_pool_private));
1986                         return -ENOSPC;
1987                 }
1988                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1989                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1990                 length = length != 0 ? length : *mbp_buf_size;
1991                 if (*mbp_buf_size < length + offset) {
1992                         RTE_ETHDEV_LOG(ERR,
1993                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1994                                        mpl->name, *mbp_buf_size,
1995                                        length + offset, length, offset);
1996                         return -EINVAL;
1997                 }
1998         }
1999         return 0;
2000 }
2001
2002 int
2003 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2004                        uint16_t nb_rx_desc, unsigned int socket_id,
2005                        const struct rte_eth_rxconf *rx_conf,
2006                        struct rte_mempool *mp)
2007 {
2008         int ret;
2009         uint32_t mbp_buf_size;
2010         struct rte_eth_dev *dev;
2011         struct rte_eth_dev_info dev_info;
2012         struct rte_eth_rxconf local_conf;
2013
2014         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2015         dev = &rte_eth_devices[port_id];
2016
2017         if (rx_queue_id >= dev->data->nb_rx_queues) {
2018                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2019                 return -EINVAL;
2020         }
2021
2022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2023
2024         ret = rte_eth_dev_info_get(port_id, &dev_info);
2025         if (ret != 0)
2026                 return ret;
2027
2028         if (mp != NULL) {
2029                 /* Single pool configuration check. */
2030                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2031                         RTE_ETHDEV_LOG(ERR,
2032                                        "Ambiguous segment configuration\n");
2033                         return -EINVAL;
2034                 }
2035                 /*
2036                  * Check the size of the mbuf data buffer, this value
2037                  * must be provided in the private data of the memory pool.
2038                  * First check that the memory pool(s) has a valid private data.
2039                  */
2040                 if (mp->private_data_size <
2041                                 sizeof(struct rte_pktmbuf_pool_private)) {
2042                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2043                                 mp->name, mp->private_data_size,
2044                                 (unsigned int)
2045                                 sizeof(struct rte_pktmbuf_pool_private));
2046                         return -ENOSPC;
2047                 }
2048                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2049                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2050                                    RTE_PKTMBUF_HEADROOM) {
2051                         RTE_ETHDEV_LOG(ERR,
2052                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2053                                        mp->name, mbp_buf_size,
2054                                        RTE_PKTMBUF_HEADROOM +
2055                                        dev_info.min_rx_bufsize,
2056                                        RTE_PKTMBUF_HEADROOM,
2057                                        dev_info.min_rx_bufsize);
2058                         return -EINVAL;
2059                 }
2060         } else {
2061                 const struct rte_eth_rxseg_split *rx_seg;
2062                 uint16_t n_seg;
2063
2064                 /* Extended multi-segment configuration check. */
2065                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2066                         RTE_ETHDEV_LOG(ERR,
2067                                        "Memory pool is null and no extended configuration provided\n");
2068                         return -EINVAL;
2069                 }
2070
2071                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2072                 n_seg = rx_conf->rx_nseg;
2073
2074                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2075                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2076                                                            &mbp_buf_size,
2077                                                            &dev_info);
2078                         if (ret != 0)
2079                                 return ret;
2080                 } else {
2081                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2082                         return -EINVAL;
2083                 }
2084         }
2085
2086         /* Use default specified by driver, if nb_rx_desc is zero */
2087         if (nb_rx_desc == 0) {
2088                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2089                 /* If driver default is also zero, fall back on EAL default */
2090                 if (nb_rx_desc == 0)
2091                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2092         }
2093
2094         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2095                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2096                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2097
2098                 RTE_ETHDEV_LOG(ERR,
2099                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2100                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2101                         dev_info.rx_desc_lim.nb_min,
2102                         dev_info.rx_desc_lim.nb_align);
2103                 return -EINVAL;
2104         }
2105
2106         if (dev->data->dev_started &&
2107                 !(dev_info.dev_capa &
2108                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2109                 return -EBUSY;
2110
2111         if (dev->data->dev_started &&
2112                 (dev->data->rx_queue_state[rx_queue_id] !=
2113                         RTE_ETH_QUEUE_STATE_STOPPED))
2114                 return -EBUSY;
2115
2116         eth_dev_rxq_release(dev, rx_queue_id);
2117
2118         if (rx_conf == NULL)
2119                 rx_conf = &dev_info.default_rxconf;
2120
2121         local_conf = *rx_conf;
2122
2123         /*
2124          * If an offloading has already been enabled in
2125          * rte_eth_dev_configure(), it has been enabled on all queues,
2126          * so there is no need to enable it in this queue again.
2127          * The local_conf.offloads input to underlying PMD only carries
2128          * those offloadings which are only enabled on this queue and
2129          * not enabled on all queues.
2130          */
2131         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2132
2133         /*
2134          * New added offloadings for this queue are those not enabled in
2135          * rte_eth_dev_configure() and they must be per-queue type.
2136          * A pure per-port offloading can't be enabled on a queue while
2137          * disabled on another queue. A pure per-port offloading can't
2138          * be enabled for any queue as new added one if it hasn't been
2139          * enabled in rte_eth_dev_configure().
2140          */
2141         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2142              local_conf.offloads) {
2143                 RTE_ETHDEV_LOG(ERR,
2144                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2145                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2146                         port_id, rx_queue_id, local_conf.offloads,
2147                         dev_info.rx_queue_offload_capa,
2148                         __func__);
2149                 return -EINVAL;
2150         }
2151
2152         /*
2153          * If LRO is enabled, check that the maximum aggregated packet
2154          * size is supported by the configured device.
2155          */
2156         /* Get the real Ethernet overhead length */
2157         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2158                 uint32_t overhead_len;
2159                 uint32_t max_rx_pktlen;
2160                 int ret;
2161
2162                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
2163                                 dev_info.max_mtu);
2164                 max_rx_pktlen = dev->data->mtu + overhead_len;
2165                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2166                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
2167                 ret = eth_dev_check_lro_pkt_size(port_id,
2168                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2169                                 max_rx_pktlen,
2170                                 dev_info.max_lro_pkt_size);
2171                 if (ret != 0)
2172                         return ret;
2173         }
2174
2175         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2176                                               socket_id, &local_conf, mp);
2177         if (!ret) {
2178                 if (!dev->data->min_rx_buf_size ||
2179                     dev->data->min_rx_buf_size > mbp_buf_size)
2180                         dev->data->min_rx_buf_size = mbp_buf_size;
2181         }
2182
2183         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2184                 rx_conf, ret);
2185         return eth_err(port_id, ret);
2186 }
2187
2188 int
2189 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2190                                uint16_t nb_rx_desc,
2191                                const struct rte_eth_hairpin_conf *conf)
2192 {
2193         int ret;
2194         struct rte_eth_dev *dev;
2195         struct rte_eth_hairpin_cap cap;
2196         int i;
2197         int count;
2198
2199         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2200         dev = &rte_eth_devices[port_id];
2201
2202         if (rx_queue_id >= dev->data->nb_rx_queues) {
2203                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2204                 return -EINVAL;
2205         }
2206
2207         if (conf == NULL) {
2208                 RTE_ETHDEV_LOG(ERR,
2209                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2210                         port_id);
2211                 return -EINVAL;
2212         }
2213
2214         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2215         if (ret != 0)
2216                 return ret;
2217         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2218                                 -ENOTSUP);
2219         /* if nb_rx_desc is zero use max number of desc from the driver. */
2220         if (nb_rx_desc == 0)
2221                 nb_rx_desc = cap.max_nb_desc;
2222         if (nb_rx_desc > cap.max_nb_desc) {
2223                 RTE_ETHDEV_LOG(ERR,
2224                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2225                         nb_rx_desc, cap.max_nb_desc);
2226                 return -EINVAL;
2227         }
2228         if (conf->peer_count > cap.max_rx_2_tx) {
2229                 RTE_ETHDEV_LOG(ERR,
2230                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2231                         conf->peer_count, cap.max_rx_2_tx);
2232                 return -EINVAL;
2233         }
2234         if (conf->peer_count == 0) {
2235                 RTE_ETHDEV_LOG(ERR,
2236                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2237                         conf->peer_count);
2238                 return -EINVAL;
2239         }
2240         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2241              cap.max_nb_queues != UINT16_MAX; i++) {
2242                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2243                         count++;
2244         }
2245         if (count > cap.max_nb_queues) {
2246                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2247                 cap.max_nb_queues);
2248                 return -EINVAL;
2249         }
2250         if (dev->data->dev_started)
2251                 return -EBUSY;
2252         eth_dev_rxq_release(dev, rx_queue_id);
2253         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2254                                                       nb_rx_desc, conf);
2255         if (ret == 0)
2256                 dev->data->rx_queue_state[rx_queue_id] =
2257                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2258         return eth_err(port_id, ret);
2259 }
2260
2261 int
2262 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2263                        uint16_t nb_tx_desc, unsigned int socket_id,
2264                        const struct rte_eth_txconf *tx_conf)
2265 {
2266         struct rte_eth_dev *dev;
2267         struct rte_eth_dev_info dev_info;
2268         struct rte_eth_txconf local_conf;
2269         int ret;
2270
2271         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2272         dev = &rte_eth_devices[port_id];
2273
2274         if (tx_queue_id >= dev->data->nb_tx_queues) {
2275                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2276                 return -EINVAL;
2277         }
2278
2279         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2280
2281         ret = rte_eth_dev_info_get(port_id, &dev_info);
2282         if (ret != 0)
2283                 return ret;
2284
2285         /* Use default specified by driver, if nb_tx_desc is zero */
2286         if (nb_tx_desc == 0) {
2287                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2288                 /* If driver default is zero, fall back on EAL default */
2289                 if (nb_tx_desc == 0)
2290                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2291         }
2292         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2293             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2294             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2295                 RTE_ETHDEV_LOG(ERR,
2296                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2297                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2298                         dev_info.tx_desc_lim.nb_min,
2299                         dev_info.tx_desc_lim.nb_align);
2300                 return -EINVAL;
2301         }
2302
2303         if (dev->data->dev_started &&
2304                 !(dev_info.dev_capa &
2305                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2306                 return -EBUSY;
2307
2308         if (dev->data->dev_started &&
2309                 (dev->data->tx_queue_state[tx_queue_id] !=
2310                         RTE_ETH_QUEUE_STATE_STOPPED))
2311                 return -EBUSY;
2312
2313         eth_dev_txq_release(dev, tx_queue_id);
2314
2315         if (tx_conf == NULL)
2316                 tx_conf = &dev_info.default_txconf;
2317
2318         local_conf = *tx_conf;
2319
2320         /*
2321          * If an offloading has already been enabled in
2322          * rte_eth_dev_configure(), it has been enabled on all queues,
2323          * so there is no need to enable it in this queue again.
2324          * The local_conf.offloads input to underlying PMD only carries
2325          * those offloadings which are only enabled on this queue and
2326          * not enabled on all queues.
2327          */
2328         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2329
2330         /*
2331          * New added offloadings for this queue are those not enabled in
2332          * rte_eth_dev_configure() and they must be per-queue type.
2333          * A pure per-port offloading can't be enabled on a queue while
2334          * disabled on another queue. A pure per-port offloading can't
2335          * be enabled for any queue as new added one if it hasn't been
2336          * enabled in rte_eth_dev_configure().
2337          */
2338         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2339              local_conf.offloads) {
2340                 RTE_ETHDEV_LOG(ERR,
2341                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2342                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2343                         port_id, tx_queue_id, local_conf.offloads,
2344                         dev_info.tx_queue_offload_capa,
2345                         __func__);
2346                 return -EINVAL;
2347         }
2348
2349         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2350         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2351                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2352 }
2353
2354 int
2355 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2356                                uint16_t nb_tx_desc,
2357                                const struct rte_eth_hairpin_conf *conf)
2358 {
2359         struct rte_eth_dev *dev;
2360         struct rte_eth_hairpin_cap cap;
2361         int i;
2362         int count;
2363         int ret;
2364
2365         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2366         dev = &rte_eth_devices[port_id];
2367
2368         if (tx_queue_id >= dev->data->nb_tx_queues) {
2369                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2370                 return -EINVAL;
2371         }
2372
2373         if (conf == NULL) {
2374                 RTE_ETHDEV_LOG(ERR,
2375                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2376                         port_id);
2377                 return -EINVAL;
2378         }
2379
2380         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2381         if (ret != 0)
2382                 return ret;
2383         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2384                                 -ENOTSUP);
2385         /* if nb_rx_desc is zero use max number of desc from the driver. */
2386         if (nb_tx_desc == 0)
2387                 nb_tx_desc = cap.max_nb_desc;
2388         if (nb_tx_desc > cap.max_nb_desc) {
2389                 RTE_ETHDEV_LOG(ERR,
2390                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2391                         nb_tx_desc, cap.max_nb_desc);
2392                 return -EINVAL;
2393         }
2394         if (conf->peer_count > cap.max_tx_2_rx) {
2395                 RTE_ETHDEV_LOG(ERR,
2396                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2397                         conf->peer_count, cap.max_tx_2_rx);
2398                 return -EINVAL;
2399         }
2400         if (conf->peer_count == 0) {
2401                 RTE_ETHDEV_LOG(ERR,
2402                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2403                         conf->peer_count);
2404                 return -EINVAL;
2405         }
2406         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2407              cap.max_nb_queues != UINT16_MAX; i++) {
2408                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2409                         count++;
2410         }
2411         if (count > cap.max_nb_queues) {
2412                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2413                 cap.max_nb_queues);
2414                 return -EINVAL;
2415         }
2416         if (dev->data->dev_started)
2417                 return -EBUSY;
2418         eth_dev_txq_release(dev, tx_queue_id);
2419         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2420                 (dev, tx_queue_id, nb_tx_desc, conf);
2421         if (ret == 0)
2422                 dev->data->tx_queue_state[tx_queue_id] =
2423                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2424         return eth_err(port_id, ret);
2425 }
2426
2427 int
2428 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2429 {
2430         struct rte_eth_dev *dev;
2431         int ret;
2432
2433         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2434         dev = &rte_eth_devices[tx_port];
2435
2436         if (dev->data->dev_started == 0) {
2437                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2438                 return -EBUSY;
2439         }
2440
2441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2442         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2443         if (ret != 0)
2444                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2445                                " to Rx %d (%d - all ports)\n",
2446                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2447
2448         return ret;
2449 }
2450
2451 int
2452 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2453 {
2454         struct rte_eth_dev *dev;
2455         int ret;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2458         dev = &rte_eth_devices[tx_port];
2459
2460         if (dev->data->dev_started == 0) {
2461                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2462                 return -EBUSY;
2463         }
2464
2465         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2466         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2467         if (ret != 0)
2468                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2469                                " from Rx %d (%d - all ports)\n",
2470                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2471
2472         return ret;
2473 }
2474
2475 int
2476 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2477                                size_t len, uint32_t direction)
2478 {
2479         struct rte_eth_dev *dev;
2480         int ret;
2481
2482         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2483         dev = &rte_eth_devices[port_id];
2484
2485         if (peer_ports == NULL) {
2486                 RTE_ETHDEV_LOG(ERR,
2487                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2488                         port_id);
2489                 return -EINVAL;
2490         }
2491
2492         if (len == 0) {
2493                 RTE_ETHDEV_LOG(ERR,
2494                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2495                         port_id);
2496                 return -EINVAL;
2497         }
2498
2499         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2500                                 -ENOTSUP);
2501
2502         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2503                                                       len, direction);
2504         if (ret < 0)
2505                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2506                                port_id, direction ? "Rx" : "Tx");
2507
2508         return ret;
2509 }
2510
2511 void
2512 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2513                 void *userdata __rte_unused)
2514 {
2515         rte_pktmbuf_free_bulk(pkts, unsent);
2516 }
2517
2518 void
2519 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2520                 void *userdata)
2521 {
2522         uint64_t *count = userdata;
2523
2524         rte_pktmbuf_free_bulk(pkts, unsent);
2525         *count += unsent;
2526 }
2527
2528 int
2529 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2530                 buffer_tx_error_fn cbfn, void *userdata)
2531 {
2532         if (buffer == NULL) {
2533                 RTE_ETHDEV_LOG(ERR,
2534                         "Cannot set Tx buffer error callback to NULL buffer\n");
2535                 return -EINVAL;
2536         }
2537
2538         buffer->error_callback = cbfn;
2539         buffer->error_userdata = userdata;
2540         return 0;
2541 }
2542
2543 int
2544 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2545 {
2546         int ret = 0;
2547
2548         if (buffer == NULL) {
2549                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2550                 return -EINVAL;
2551         }
2552
2553         buffer->size = size;
2554         if (buffer->error_callback == NULL) {
2555                 ret = rte_eth_tx_buffer_set_err_callback(
2556                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2557         }
2558
2559         return ret;
2560 }
2561
2562 int
2563 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2564 {
2565         struct rte_eth_dev *dev;
2566         int ret;
2567
2568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2569         dev = &rte_eth_devices[port_id];
2570
2571         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2572
2573         /* Call driver to free pending mbufs. */
2574         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2575                                                free_cnt);
2576         return eth_err(port_id, ret);
2577 }
2578
2579 int
2580 rte_eth_promiscuous_enable(uint16_t port_id)
2581 {
2582         struct rte_eth_dev *dev;
2583         int diag = 0;
2584
2585         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2586         dev = &rte_eth_devices[port_id];
2587
2588         if (dev->data->promiscuous == 1)
2589                 return 0;
2590
2591         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2592
2593         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2594         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2595
2596         return eth_err(port_id, diag);
2597 }
2598
2599 int
2600 rte_eth_promiscuous_disable(uint16_t port_id)
2601 {
2602         struct rte_eth_dev *dev;
2603         int diag = 0;
2604
2605         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2606         dev = &rte_eth_devices[port_id];
2607
2608         if (dev->data->promiscuous == 0)
2609                 return 0;
2610
2611         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2612
2613         dev->data->promiscuous = 0;
2614         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2615         if (diag != 0)
2616                 dev->data->promiscuous = 1;
2617
2618         return eth_err(port_id, diag);
2619 }
2620
2621 int
2622 rte_eth_promiscuous_get(uint16_t port_id)
2623 {
2624         struct rte_eth_dev *dev;
2625
2626         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2627         dev = &rte_eth_devices[port_id];
2628
2629         return dev->data->promiscuous;
2630 }
2631
2632 int
2633 rte_eth_allmulticast_enable(uint16_t port_id)
2634 {
2635         struct rte_eth_dev *dev;
2636         int diag;
2637
2638         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2639         dev = &rte_eth_devices[port_id];
2640
2641         if (dev->data->all_multicast == 1)
2642                 return 0;
2643
2644         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2645         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2646         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2647
2648         return eth_err(port_id, diag);
2649 }
2650
2651 int
2652 rte_eth_allmulticast_disable(uint16_t port_id)
2653 {
2654         struct rte_eth_dev *dev;
2655         int diag;
2656
2657         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2658         dev = &rte_eth_devices[port_id];
2659
2660         if (dev->data->all_multicast == 0)
2661                 return 0;
2662
2663         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2664         dev->data->all_multicast = 0;
2665         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2666         if (diag != 0)
2667                 dev->data->all_multicast = 1;
2668
2669         return eth_err(port_id, diag);
2670 }
2671
2672 int
2673 rte_eth_allmulticast_get(uint16_t port_id)
2674 {
2675         struct rte_eth_dev *dev;
2676
2677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2678         dev = &rte_eth_devices[port_id];
2679
2680         return dev->data->all_multicast;
2681 }
2682
2683 int
2684 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2685 {
2686         struct rte_eth_dev *dev;
2687
2688         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2689         dev = &rte_eth_devices[port_id];
2690
2691         if (eth_link == NULL) {
2692                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2693                         port_id);
2694                 return -EINVAL;
2695         }
2696
2697         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2698                 rte_eth_linkstatus_get(dev, eth_link);
2699         else {
2700                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2701                 (*dev->dev_ops->link_update)(dev, 1);
2702                 *eth_link = dev->data->dev_link;
2703         }
2704
2705         return 0;
2706 }
2707
2708 int
2709 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2710 {
2711         struct rte_eth_dev *dev;
2712
2713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2714         dev = &rte_eth_devices[port_id];
2715
2716         if (eth_link == NULL) {
2717                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2718                         port_id);
2719                 return -EINVAL;
2720         }
2721
2722         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2723                 rte_eth_linkstatus_get(dev, eth_link);
2724         else {
2725                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2726                 (*dev->dev_ops->link_update)(dev, 0);
2727                 *eth_link = dev->data->dev_link;
2728         }
2729
2730         return 0;
2731 }
2732
2733 const char *
2734 rte_eth_link_speed_to_str(uint32_t link_speed)
2735 {
2736         switch (link_speed) {
2737         case ETH_SPEED_NUM_NONE: return "None";
2738         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2739         case ETH_SPEED_NUM_100M: return "100 Mbps";
2740         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2741         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2742         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2743         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2744         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2745         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2746         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2747         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2748         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2749         case ETH_SPEED_NUM_100G: return "100 Gbps";
2750         case ETH_SPEED_NUM_200G: return "200 Gbps";
2751         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2752         default: return "Invalid";
2753         }
2754 }
2755
2756 int
2757 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2758 {
2759         if (str == NULL) {
2760                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2761                 return -EINVAL;
2762         }
2763
2764         if (len == 0) {
2765                 RTE_ETHDEV_LOG(ERR,
2766                         "Cannot convert link to string with zero size\n");
2767                 return -EINVAL;
2768         }
2769
2770         if (eth_link == NULL) {
2771                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2772                 return -EINVAL;
2773         }
2774
2775         if (eth_link->link_status == ETH_LINK_DOWN)
2776                 return snprintf(str, len, "Link down");
2777         else
2778                 return snprintf(str, len, "Link up at %s %s %s",
2779                         rte_eth_link_speed_to_str(eth_link->link_speed),
2780                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2781                         "FDX" : "HDX",
2782                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2783                         "Autoneg" : "Fixed");
2784 }
2785
2786 int
2787 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2788 {
2789         struct rte_eth_dev *dev;
2790
2791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792         dev = &rte_eth_devices[port_id];
2793
2794         if (stats == NULL) {
2795                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2796                         port_id);
2797                 return -EINVAL;
2798         }
2799
2800         memset(stats, 0, sizeof(*stats));
2801
2802         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2803         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2804         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2805 }
2806
2807 int
2808 rte_eth_stats_reset(uint16_t port_id)
2809 {
2810         struct rte_eth_dev *dev;
2811         int ret;
2812
2813         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2814         dev = &rte_eth_devices[port_id];
2815
2816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2817         ret = (*dev->dev_ops->stats_reset)(dev);
2818         if (ret != 0)
2819                 return eth_err(port_id, ret);
2820
2821         dev->data->rx_mbuf_alloc_failed = 0;
2822
2823         return 0;
2824 }
2825
2826 static inline int
2827 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2828 {
2829         uint16_t nb_rxqs, nb_txqs;
2830         int count;
2831
2832         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2833         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2834
2835         count = RTE_NB_STATS;
2836         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2837                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2838                 count += nb_txqs * RTE_NB_TXQ_STATS;
2839         }
2840
2841         return count;
2842 }
2843
2844 static int
2845 eth_dev_get_xstats_count(uint16_t port_id)
2846 {
2847         struct rte_eth_dev *dev;
2848         int count;
2849
2850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2851         dev = &rte_eth_devices[port_id];
2852         if (dev->dev_ops->xstats_get_names != NULL) {
2853                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2854                 if (count < 0)
2855                         return eth_err(port_id, count);
2856         } else
2857                 count = 0;
2858
2859
2860         count += eth_dev_get_xstats_basic_count(dev);
2861
2862         return count;
2863 }
2864
2865 int
2866 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2867                 uint64_t *id)
2868 {
2869         int cnt_xstats, idx_xstat;
2870
2871         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2872
2873         if (xstat_name == NULL) {
2874                 RTE_ETHDEV_LOG(ERR,
2875                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2876                         port_id);
2877                 return -ENOMEM;
2878         }
2879
2880         if (id == NULL) {
2881                 RTE_ETHDEV_LOG(ERR,
2882                         "Cannot get ethdev port %u xstats ID to NULL\n",
2883                         port_id);
2884                 return -ENOMEM;
2885         }
2886
2887         /* Get count */
2888         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2889         if (cnt_xstats  < 0) {
2890                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2891                 return -ENODEV;
2892         }
2893
2894         /* Get id-name lookup table */
2895         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2896
2897         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2898                         port_id, xstats_names, cnt_xstats, NULL)) {
2899                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2900                 return -1;
2901         }
2902
2903         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2904                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2905                         *id = idx_xstat;
2906                         return 0;
2907                 };
2908         }
2909
2910         return -EINVAL;
2911 }
2912
2913 /* retrieve basic stats names */
2914 static int
2915 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2916         struct rte_eth_xstat_name *xstats_names)
2917 {
2918         int cnt_used_entries = 0;
2919         uint32_t idx, id_queue;
2920         uint16_t num_q;
2921
2922         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2923                 strlcpy(xstats_names[cnt_used_entries].name,
2924                         eth_dev_stats_strings[idx].name,
2925                         sizeof(xstats_names[0].name));
2926                 cnt_used_entries++;
2927         }
2928
2929         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2930                 return cnt_used_entries;
2931
2932         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2933         for (id_queue = 0; id_queue < num_q; id_queue++) {
2934                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2935                         snprintf(xstats_names[cnt_used_entries].name,
2936                                 sizeof(xstats_names[0].name),
2937                                 "rx_q%u_%s",
2938                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2939                         cnt_used_entries++;
2940                 }
2941
2942         }
2943         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2944         for (id_queue = 0; id_queue < num_q; id_queue++) {
2945                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2946                         snprintf(xstats_names[cnt_used_entries].name,
2947                                 sizeof(xstats_names[0].name),
2948                                 "tx_q%u_%s",
2949                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2950                         cnt_used_entries++;
2951                 }
2952         }
2953         return cnt_used_entries;
2954 }
2955
2956 /* retrieve ethdev extended statistics names */
2957 int
2958 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2959         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2960         uint64_t *ids)
2961 {
2962         struct rte_eth_xstat_name *xstats_names_copy;
2963         unsigned int no_basic_stat_requested = 1;
2964         unsigned int no_ext_stat_requested = 1;
2965         unsigned int expected_entries;
2966         unsigned int basic_count;
2967         struct rte_eth_dev *dev;
2968         unsigned int i;
2969         int ret;
2970
2971         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2972         dev = &rte_eth_devices[port_id];
2973
2974         basic_count = eth_dev_get_xstats_basic_count(dev);
2975         ret = eth_dev_get_xstats_count(port_id);
2976         if (ret < 0)
2977                 return ret;
2978         expected_entries = (unsigned int)ret;
2979
2980         /* Return max number of stats if no ids given */
2981         if (!ids) {
2982                 if (!xstats_names)
2983                         return expected_entries;
2984                 else if (xstats_names && size < expected_entries)
2985                         return expected_entries;
2986         }
2987
2988         if (ids && !xstats_names)
2989                 return -EINVAL;
2990
2991         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2992                 uint64_t ids_copy[size];
2993
2994                 for (i = 0; i < size; i++) {
2995                         if (ids[i] < basic_count) {
2996                                 no_basic_stat_requested = 0;
2997                                 break;
2998                         }
2999
3000                         /*
3001                          * Convert ids to xstats ids that PMD knows.
3002                          * ids known by user are basic + extended stats.
3003                          */
3004                         ids_copy[i] = ids[i] - basic_count;
3005                 }
3006
3007                 if (no_basic_stat_requested)
3008                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
3009                                         ids_copy, xstats_names, size);
3010         }
3011
3012         /* Retrieve all stats */
3013         if (!ids) {
3014                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3015                                 expected_entries);
3016                 if (num_stats < 0 || num_stats > (int)expected_entries)
3017                         return num_stats;
3018                 else
3019                         return expected_entries;
3020         }
3021
3022         xstats_names_copy = calloc(expected_entries,
3023                 sizeof(struct rte_eth_xstat_name));
3024
3025         if (!xstats_names_copy) {
3026                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3027                 return -ENOMEM;
3028         }
3029
3030         if (ids) {
3031                 for (i = 0; i < size; i++) {
3032                         if (ids[i] >= basic_count) {
3033                                 no_ext_stat_requested = 0;
3034                                 break;
3035                         }
3036                 }
3037         }
3038
3039         /* Fill xstats_names_copy structure */
3040         if (ids && no_ext_stat_requested) {
3041                 eth_basic_stats_get_names(dev, xstats_names_copy);
3042         } else {
3043                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3044                         expected_entries);
3045                 if (ret < 0) {
3046                         free(xstats_names_copy);
3047                         return ret;
3048                 }
3049         }
3050
3051         /* Filter stats */
3052         for (i = 0; i < size; i++) {
3053                 if (ids[i] >= expected_entries) {
3054                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3055                         free(xstats_names_copy);
3056                         return -1;
3057                 }
3058                 xstats_names[i] = xstats_names_copy[ids[i]];
3059         }
3060
3061         free(xstats_names_copy);
3062         return size;
3063 }
3064
3065 int
3066 rte_eth_xstats_get_names(uint16_t port_id,
3067         struct rte_eth_xstat_name *xstats_names,
3068         unsigned int size)
3069 {
3070         struct rte_eth_dev *dev;
3071         int cnt_used_entries;
3072         int cnt_expected_entries;
3073         int cnt_driver_entries;
3074
3075         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3076         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3077                         (int)size < cnt_expected_entries)
3078                 return cnt_expected_entries;
3079
3080         /* port_id checked in eth_dev_get_xstats_count() */
3081         dev = &rte_eth_devices[port_id];
3082
3083         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3084
3085         if (dev->dev_ops->xstats_get_names != NULL) {
3086                 /* If there are any driver-specific xstats, append them
3087                  * to end of list.
3088                  */
3089                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3090                         dev,
3091                         xstats_names + cnt_used_entries,
3092                         size - cnt_used_entries);
3093                 if (cnt_driver_entries < 0)
3094                         return eth_err(port_id, cnt_driver_entries);
3095                 cnt_used_entries += cnt_driver_entries;
3096         }
3097
3098         return cnt_used_entries;
3099 }
3100
3101
3102 static int
3103 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3104 {
3105         struct rte_eth_dev *dev;
3106         struct rte_eth_stats eth_stats;
3107         unsigned int count = 0, i, q;
3108         uint64_t val, *stats_ptr;
3109         uint16_t nb_rxqs, nb_txqs;
3110         int ret;
3111
3112         ret = rte_eth_stats_get(port_id, &eth_stats);
3113         if (ret < 0)
3114                 return ret;
3115
3116         dev = &rte_eth_devices[port_id];
3117
3118         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3119         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3120
3121         /* global stats */
3122         for (i = 0; i < RTE_NB_STATS; i++) {
3123                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3124                                         eth_dev_stats_strings[i].offset);
3125                 val = *stats_ptr;
3126                 xstats[count++].value = val;
3127         }
3128
3129         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3130                 return count;
3131
3132         /* per-rxq stats */
3133         for (q = 0; q < nb_rxqs; q++) {
3134                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3135                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3136                                         eth_dev_rxq_stats_strings[i].offset +
3137                                         q * sizeof(uint64_t));
3138                         val = *stats_ptr;
3139                         xstats[count++].value = val;
3140                 }
3141         }
3142
3143         /* per-txq stats */
3144         for (q = 0; q < nb_txqs; q++) {
3145                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3146                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3147                                         eth_dev_txq_stats_strings[i].offset +
3148                                         q * sizeof(uint64_t));
3149                         val = *stats_ptr;
3150                         xstats[count++].value = val;
3151                 }
3152         }
3153         return count;
3154 }
3155
3156 /* retrieve ethdev extended statistics */
3157 int
3158 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3159                          uint64_t *values, unsigned int size)
3160 {
3161         unsigned int no_basic_stat_requested = 1;
3162         unsigned int no_ext_stat_requested = 1;
3163         unsigned int num_xstats_filled;
3164         unsigned int basic_count;
3165         uint16_t expected_entries;
3166         struct rte_eth_dev *dev;
3167         unsigned int i;
3168         int ret;
3169
3170         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3171         dev = &rte_eth_devices[port_id];
3172
3173         ret = eth_dev_get_xstats_count(port_id);
3174         if (ret < 0)
3175                 return ret;
3176         expected_entries = (uint16_t)ret;
3177         struct rte_eth_xstat xstats[expected_entries];
3178         basic_count = eth_dev_get_xstats_basic_count(dev);
3179
3180         /* Return max number of stats if no ids given */
3181         if (!ids) {
3182                 if (!values)
3183                         return expected_entries;
3184                 else if (values && size < expected_entries)
3185                         return expected_entries;
3186         }
3187
3188         if (ids && !values)
3189                 return -EINVAL;
3190
3191         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3192                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3193                 uint64_t ids_copy[size];
3194
3195                 for (i = 0; i < size; i++) {
3196                         if (ids[i] < basic_count) {
3197                                 no_basic_stat_requested = 0;
3198                                 break;
3199                         }
3200
3201                         /*
3202                          * Convert ids to xstats ids that PMD knows.
3203                          * ids known by user are basic + extended stats.
3204                          */
3205                         ids_copy[i] = ids[i] - basic_count;
3206                 }
3207
3208                 if (no_basic_stat_requested)
3209                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3210                                         values, size);
3211         }
3212
3213         if (ids) {
3214                 for (i = 0; i < size; i++) {
3215                         if (ids[i] >= basic_count) {
3216                                 no_ext_stat_requested = 0;
3217                                 break;
3218                         }
3219                 }
3220         }
3221
3222         /* Fill the xstats structure */
3223         if (ids && no_ext_stat_requested)
3224                 ret = eth_basic_stats_get(port_id, xstats);
3225         else
3226                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3227
3228         if (ret < 0)
3229                 return ret;
3230         num_xstats_filled = (unsigned int)ret;
3231
3232         /* Return all stats */
3233         if (!ids) {
3234                 for (i = 0; i < num_xstats_filled; i++)
3235                         values[i] = xstats[i].value;
3236                 return expected_entries;
3237         }
3238
3239         /* Filter stats */
3240         for (i = 0; i < size; i++) {
3241                 if (ids[i] >= expected_entries) {
3242                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3243                         return -1;
3244                 }
3245                 values[i] = xstats[ids[i]].value;
3246         }
3247         return size;
3248 }
3249
3250 int
3251 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3252         unsigned int n)
3253 {
3254         struct rte_eth_dev *dev;
3255         unsigned int count = 0, i;
3256         signed int xcount = 0;
3257         uint16_t nb_rxqs, nb_txqs;
3258         int ret;
3259
3260         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3261         dev = &rte_eth_devices[port_id];
3262
3263         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3264         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3265
3266         /* Return generic statistics */
3267         count = RTE_NB_STATS;
3268         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3269                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3270
3271         /* implemented by the driver */
3272         if (dev->dev_ops->xstats_get != NULL) {
3273                 /* Retrieve the xstats from the driver at the end of the
3274                  * xstats struct.
3275                  */
3276                 xcount = (*dev->dev_ops->xstats_get)(dev,
3277                                      xstats ? xstats + count : NULL,
3278                                      (n > count) ? n - count : 0);
3279
3280                 if (xcount < 0)
3281                         return eth_err(port_id, xcount);
3282         }
3283
3284         if (n < count + xcount || xstats == NULL)
3285                 return count + xcount;
3286
3287         /* now fill the xstats structure */
3288         ret = eth_basic_stats_get(port_id, xstats);
3289         if (ret < 0)
3290                 return ret;
3291         count = ret;
3292
3293         for (i = 0; i < count; i++)
3294                 xstats[i].id = i;
3295         /* add an offset to driver-specific stats */
3296         for ( ; i < count + xcount; i++)
3297                 xstats[i].id += count;
3298
3299         return count + xcount;
3300 }
3301
3302 /* reset ethdev extended statistics */
3303 int
3304 rte_eth_xstats_reset(uint16_t port_id)
3305 {
3306         struct rte_eth_dev *dev;
3307
3308         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3309         dev = &rte_eth_devices[port_id];
3310
3311         /* implemented by the driver */
3312         if (dev->dev_ops->xstats_reset != NULL)
3313                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3314
3315         /* fallback to default */
3316         return rte_eth_stats_reset(port_id);
3317 }
3318
3319 static int
3320 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3321                 uint8_t stat_idx, uint8_t is_rx)
3322 {
3323         struct rte_eth_dev *dev;
3324
3325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3326         dev = &rte_eth_devices[port_id];
3327
3328         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3329                 return -EINVAL;
3330
3331         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3332                 return -EINVAL;
3333
3334         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3335                 return -EINVAL;
3336
3337         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3338         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3339 }
3340
3341 int
3342 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3343                 uint8_t stat_idx)
3344 {
3345         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3346                                                 tx_queue_id,
3347                                                 stat_idx, STAT_QMAP_TX));
3348 }
3349
3350 int
3351 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3352                 uint8_t stat_idx)
3353 {
3354         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3355                                                 rx_queue_id,
3356                                                 stat_idx, STAT_QMAP_RX));
3357 }
3358
3359 int
3360 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3361 {
3362         struct rte_eth_dev *dev;
3363
3364         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3365         dev = &rte_eth_devices[port_id];
3366
3367         if (fw_version == NULL && fw_size > 0) {
3368                 RTE_ETHDEV_LOG(ERR,
3369                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3370                         port_id);
3371                 return -EINVAL;
3372         }
3373
3374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3375         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3376                                                         fw_version, fw_size));
3377 }
3378
3379 int
3380 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3381 {
3382         struct rte_eth_dev *dev;
3383         const struct rte_eth_desc_lim lim = {
3384                 .nb_max = UINT16_MAX,
3385                 .nb_min = 0,
3386                 .nb_align = 1,
3387                 .nb_seg_max = UINT16_MAX,
3388                 .nb_mtu_seg_max = UINT16_MAX,
3389         };
3390         int diag;
3391
3392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3393         dev = &rte_eth_devices[port_id];
3394
3395         if (dev_info == NULL) {
3396                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3397                         port_id);
3398                 return -EINVAL;
3399         }
3400
3401         /*
3402          * Init dev_info before port_id check since caller does not have
3403          * return status and does not know if get is successful or not.
3404          */
3405         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3406         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3407
3408         dev_info->rx_desc_lim = lim;
3409         dev_info->tx_desc_lim = lim;
3410         dev_info->device = dev->device;
3411         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3412         dev_info->max_mtu = UINT16_MAX;
3413
3414         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3415         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3416         if (diag != 0) {
3417                 /* Cleanup already filled in device information */
3418                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3419                 return eth_err(port_id, diag);
3420         }
3421
3422         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3423         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3424                         RTE_MAX_QUEUES_PER_PORT);
3425         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3426                         RTE_MAX_QUEUES_PER_PORT);
3427
3428         dev_info->driver_name = dev->device->driver->name;
3429         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3430         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3431
3432         dev_info->dev_flags = &dev->data->dev_flags;
3433
3434         return 0;
3435 }
3436
3437 int
3438 rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf)
3439 {
3440         struct rte_eth_dev *dev;
3441
3442         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3443         dev = &rte_eth_devices[port_id];
3444
3445         if (dev_conf == NULL) {
3446                 RTE_ETHDEV_LOG(ERR,
3447                         "Cannot get ethdev port %u configuration to NULL\n",
3448                         port_id);
3449                 return -EINVAL;
3450         }
3451
3452         memcpy(dev_conf, &dev->data->dev_conf, sizeof(struct rte_eth_conf));
3453
3454         return 0;
3455 }
3456
3457 int
3458 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3459                                  uint32_t *ptypes, int num)
3460 {
3461         int i, j;
3462         struct rte_eth_dev *dev;
3463         const uint32_t *all_ptypes;
3464
3465         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3466         dev = &rte_eth_devices[port_id];
3467
3468         if (ptypes == NULL && num > 0) {
3469                 RTE_ETHDEV_LOG(ERR,
3470                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3471                         port_id);
3472                 return -EINVAL;
3473         }
3474
3475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3476         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3477
3478         if (!all_ptypes)
3479                 return 0;
3480
3481         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3482                 if (all_ptypes[i] & ptype_mask) {
3483                         if (j < num)
3484                                 ptypes[j] = all_ptypes[i];
3485                         j++;
3486                 }
3487
3488         return j;
3489 }
3490
3491 int
3492 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3493                                  uint32_t *set_ptypes, unsigned int num)
3494 {
3495         const uint32_t valid_ptype_masks[] = {
3496                 RTE_PTYPE_L2_MASK,
3497                 RTE_PTYPE_L3_MASK,
3498                 RTE_PTYPE_L4_MASK,
3499                 RTE_PTYPE_TUNNEL_MASK,
3500                 RTE_PTYPE_INNER_L2_MASK,
3501                 RTE_PTYPE_INNER_L3_MASK,
3502                 RTE_PTYPE_INNER_L4_MASK,
3503         };
3504         const uint32_t *all_ptypes;
3505         struct rte_eth_dev *dev;
3506         uint32_t unused_mask;
3507         unsigned int i, j;
3508         int ret;
3509
3510         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3511         dev = &rte_eth_devices[port_id];
3512
3513         if (num > 0 && set_ptypes == NULL) {
3514                 RTE_ETHDEV_LOG(ERR,
3515                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3516                         port_id);
3517                 return -EINVAL;
3518         }
3519
3520         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3521                         *dev->dev_ops->dev_ptypes_set == NULL) {
3522                 ret = 0;
3523                 goto ptype_unknown;
3524         }
3525
3526         if (ptype_mask == 0) {
3527                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3528                                 ptype_mask);
3529                 goto ptype_unknown;
3530         }
3531
3532         unused_mask = ptype_mask;
3533         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3534                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3535                 if (mask && mask != valid_ptype_masks[i]) {
3536                         ret = -EINVAL;
3537                         goto ptype_unknown;
3538                 }
3539                 unused_mask &= ~valid_ptype_masks[i];
3540         }
3541
3542         if (unused_mask) {
3543                 ret = -EINVAL;
3544                 goto ptype_unknown;
3545         }
3546
3547         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3548         if (all_ptypes == NULL) {
3549                 ret = 0;
3550                 goto ptype_unknown;
3551         }
3552
3553         /*
3554          * Accommodate as many set_ptypes as possible. If the supplied
3555          * set_ptypes array is insufficient fill it partially.
3556          */
3557         for (i = 0, j = 0; set_ptypes != NULL &&
3558                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3559                 if (ptype_mask & all_ptypes[i]) {
3560                         if (j < num - 1) {
3561                                 set_ptypes[j] = all_ptypes[i];
3562                                 j++;
3563                                 continue;
3564                         }
3565                         break;
3566                 }
3567         }
3568
3569         if (set_ptypes != NULL && j < num)
3570                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3571
3572         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3573
3574 ptype_unknown:
3575         if (num > 0)
3576                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3577
3578         return ret;
3579 }
3580
3581 int
3582 rte_eth_macaddrs_get(uint16_t port_id, struct rte_ether_addr *ma,
3583         unsigned int num)
3584 {
3585         int32_t ret;
3586         struct rte_eth_dev *dev;
3587         struct rte_eth_dev_info dev_info;
3588
3589         if (ma == NULL) {
3590                 RTE_ETHDEV_LOG(ERR, "%s: invalid parameters\n", __func__);
3591                 return -EINVAL;
3592         }
3593
3594         /* will check for us that port_id is a valid one */
3595         ret = rte_eth_dev_info_get(port_id, &dev_info);
3596         if (ret != 0)
3597                 return ret;
3598
3599         dev = &rte_eth_devices[port_id];
3600         num = RTE_MIN(dev_info.max_mac_addrs, num);
3601         memcpy(ma, dev->data->mac_addrs, num * sizeof(ma[0]));
3602
3603         return num;
3604 }
3605
3606 int
3607 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3608 {
3609         struct rte_eth_dev *dev;
3610
3611         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3612         dev = &rte_eth_devices[port_id];
3613
3614         if (mac_addr == NULL) {
3615                 RTE_ETHDEV_LOG(ERR,
3616                         "Cannot get ethdev port %u MAC address to NULL\n",
3617                         port_id);
3618                 return -EINVAL;
3619         }
3620
3621         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3622
3623         return 0;
3624 }
3625
3626 int
3627 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3628 {
3629         struct rte_eth_dev *dev;
3630
3631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3632         dev = &rte_eth_devices[port_id];
3633
3634         if (mtu == NULL) {
3635                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3636                         port_id);
3637                 return -EINVAL;
3638         }
3639
3640         *mtu = dev->data->mtu;
3641         return 0;
3642 }
3643
3644 int
3645 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3646 {
3647         int ret;
3648         struct rte_eth_dev_info dev_info;
3649         struct rte_eth_dev *dev;
3650         int is_jumbo_frame_capable = 0;
3651
3652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3653         dev = &rte_eth_devices[port_id];
3654         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3655
3656         /*
3657          * Check if the device supports dev_infos_get, if it does not
3658          * skip min_mtu/max_mtu validation here as this requires values
3659          * that are populated within the call to rte_eth_dev_info_get()
3660          * which relies on dev->dev_ops->dev_infos_get.
3661          */
3662         if (*dev->dev_ops->dev_infos_get != NULL) {
3663                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3664                 if (ret != 0)
3665                         return ret;
3666
3667                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3668                         return -EINVAL;
3669
3670                 if ((dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME) != 0)
3671                         is_jumbo_frame_capable = 1;
3672         }
3673
3674         if (mtu > RTE_ETHER_MTU && is_jumbo_frame_capable == 0)
3675                 return -EINVAL;
3676
3677         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3678         if (ret == 0) {
3679                 dev->data->mtu = mtu;
3680
3681                 /* switch to jumbo mode if needed */
3682                 if (mtu > RTE_ETHER_MTU)
3683                         dev->data->dev_conf.rxmode.offloads |=
3684                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
3685                 else
3686                         dev->data->dev_conf.rxmode.offloads &=
3687                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
3688         }
3689
3690         return eth_err(port_id, ret);
3691 }
3692
3693 int
3694 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3695 {
3696         struct rte_eth_dev *dev;
3697         int ret;
3698
3699         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3700         dev = &rte_eth_devices[port_id];
3701
3702         if (!(dev->data->dev_conf.rxmode.offloads &
3703               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3704                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3705                         port_id);
3706                 return -ENOSYS;
3707         }
3708
3709         if (vlan_id > 4095) {
3710                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3711                         port_id, vlan_id);
3712                 return -EINVAL;
3713         }
3714         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3715
3716         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3717         if (ret == 0) {
3718                 struct rte_vlan_filter_conf *vfc;
3719                 int vidx;
3720                 int vbit;
3721
3722                 vfc = &dev->data->vlan_filter_conf;
3723                 vidx = vlan_id / 64;
3724                 vbit = vlan_id % 64;
3725
3726                 if (on)
3727                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3728                 else
3729                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3730         }
3731
3732         return eth_err(port_id, ret);
3733 }
3734
3735 int
3736 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3737                                     int on)
3738 {
3739         struct rte_eth_dev *dev;
3740
3741         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3742         dev = &rte_eth_devices[port_id];
3743
3744         if (rx_queue_id >= dev->data->nb_rx_queues) {
3745                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3746                 return -EINVAL;
3747         }
3748
3749         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3750         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3751
3752         return 0;
3753 }
3754
3755 int
3756 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3757                                 enum rte_vlan_type vlan_type,
3758                                 uint16_t tpid)
3759 {
3760         struct rte_eth_dev *dev;
3761
3762         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3763         dev = &rte_eth_devices[port_id];
3764
3765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3766         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3767                                                                tpid));
3768 }
3769
3770 int
3771 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3772 {
3773         struct rte_eth_dev_info dev_info;
3774         struct rte_eth_dev *dev;
3775         int ret = 0;
3776         int mask = 0;
3777         int cur, org = 0;
3778         uint64_t orig_offloads;
3779         uint64_t dev_offloads;
3780         uint64_t new_offloads;
3781
3782         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3783         dev = &rte_eth_devices[port_id];
3784
3785         /* save original values in case of failure */
3786         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3787         dev_offloads = orig_offloads;
3788
3789         /* check which option changed by application */
3790         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3791         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3792         if (cur != org) {
3793                 if (cur)
3794                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3795                 else
3796                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3797                 mask |= ETH_VLAN_STRIP_MASK;
3798         }
3799
3800         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3801         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3802         if (cur != org) {
3803                 if (cur)
3804                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3805                 else
3806                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3807                 mask |= ETH_VLAN_FILTER_MASK;
3808         }
3809
3810         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3811         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3812         if (cur != org) {
3813                 if (cur)
3814                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3815                 else
3816                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3817                 mask |= ETH_VLAN_EXTEND_MASK;
3818         }
3819
3820         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3821         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3822         if (cur != org) {
3823                 if (cur)
3824                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3825                 else
3826                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3827                 mask |= ETH_QINQ_STRIP_MASK;
3828         }
3829
3830         /*no change*/
3831         if (mask == 0)
3832                 return ret;
3833
3834         ret = rte_eth_dev_info_get(port_id, &dev_info);
3835         if (ret != 0)
3836                 return ret;
3837
3838         /* Rx VLAN offloading must be within its device capabilities */
3839         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3840                 new_offloads = dev_offloads & ~orig_offloads;
3841                 RTE_ETHDEV_LOG(ERR,
3842                         "Ethdev port_id=%u requested new added VLAN offloads "
3843                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3844                         "0x%" PRIx64 " in %s()\n",
3845                         port_id, new_offloads, dev_info.rx_offload_capa,
3846                         __func__);
3847                 return -EINVAL;
3848         }
3849
3850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3851         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3852         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3853         if (ret) {
3854                 /* hit an error restore  original values */
3855                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3856         }
3857
3858         return eth_err(port_id, ret);
3859 }
3860
3861 int
3862 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3863 {
3864         struct rte_eth_dev *dev;
3865         uint64_t *dev_offloads;
3866         int ret = 0;
3867
3868         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3869         dev = &rte_eth_devices[port_id];
3870         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3871
3872         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3873                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3874
3875         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3876                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3877
3878         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3879                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3880
3881         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3882                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3883
3884         return ret;
3885 }
3886
3887 int
3888 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3889 {
3890         struct rte_eth_dev *dev;
3891
3892         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3893         dev = &rte_eth_devices[port_id];
3894
3895         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3896         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3897 }
3898
3899 int
3900 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3901 {
3902         struct rte_eth_dev *dev;
3903
3904         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3905         dev = &rte_eth_devices[port_id];
3906
3907         if (fc_conf == NULL) {
3908                 RTE_ETHDEV_LOG(ERR,
3909                         "Cannot get ethdev port %u flow control config to NULL\n",
3910                         port_id);
3911                 return -EINVAL;
3912         }
3913
3914         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3915         memset(fc_conf, 0, sizeof(*fc_conf));
3916         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3917 }
3918
3919 int
3920 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3921 {
3922         struct rte_eth_dev *dev;
3923
3924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3925         dev = &rte_eth_devices[port_id];
3926
3927         if (fc_conf == NULL) {
3928                 RTE_ETHDEV_LOG(ERR,
3929                         "Cannot set ethdev port %u flow control from NULL config\n",
3930                         port_id);
3931                 return -EINVAL;
3932         }
3933
3934         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3935                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3936                 return -EINVAL;
3937         }
3938
3939         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3940         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3941 }
3942
3943 int
3944 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3945                                    struct rte_eth_pfc_conf *pfc_conf)
3946 {
3947         struct rte_eth_dev *dev;
3948
3949         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3950         dev = &rte_eth_devices[port_id];
3951
3952         if (pfc_conf == NULL) {
3953                 RTE_ETHDEV_LOG(ERR,
3954                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3955                         port_id);
3956                 return -EINVAL;
3957         }
3958
3959         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3960                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3961                 return -EINVAL;
3962         }
3963
3964         /* High water, low water validation are device specific */
3965         if  (*dev->dev_ops->priority_flow_ctrl_set)
3966                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3967                                         (dev, pfc_conf));
3968         return -ENOTSUP;
3969 }
3970
3971 static int
3972 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3973                         uint16_t reta_size)
3974 {
3975         uint16_t i, num;
3976
3977         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3978         for (i = 0; i < num; i++) {
3979                 if (reta_conf[i].mask)
3980                         return 0;
3981         }
3982
3983         return -EINVAL;
3984 }
3985
3986 static int
3987 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3988                          uint16_t reta_size,
3989                          uint16_t max_rxq)
3990 {
3991         uint16_t i, idx, shift;
3992
3993         if (max_rxq == 0) {
3994                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3995                 return -EINVAL;
3996         }
3997
3998         for (i = 0; i < reta_size; i++) {
3999                 idx = i / RTE_RETA_GROUP_SIZE;
4000                 shift = i % RTE_RETA_GROUP_SIZE;
4001                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
4002                         (reta_conf[idx].reta[shift] >= max_rxq)) {
4003                         RTE_ETHDEV_LOG(ERR,
4004                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
4005                                 idx, shift,
4006                                 reta_conf[idx].reta[shift], max_rxq);
4007                         return -EINVAL;
4008                 }
4009         }
4010
4011         return 0;
4012 }
4013
4014 int
4015 rte_eth_dev_rss_reta_update(uint16_t port_id,
4016                             struct rte_eth_rss_reta_entry64 *reta_conf,
4017                             uint16_t reta_size)
4018 {
4019         struct rte_eth_dev *dev;
4020         int ret;
4021
4022         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4023         dev = &rte_eth_devices[port_id];
4024
4025         if (reta_conf == NULL) {
4026                 RTE_ETHDEV_LOG(ERR,
4027                         "Cannot update ethdev port %u RSS RETA to NULL\n",
4028                         port_id);
4029                 return -EINVAL;
4030         }
4031
4032         if (reta_size == 0) {
4033                 RTE_ETHDEV_LOG(ERR,
4034                         "Cannot update ethdev port %u RSS RETA with zero size\n",
4035                         port_id);
4036                 return -EINVAL;
4037         }
4038
4039         /* Check mask bits */
4040         ret = eth_check_reta_mask(reta_conf, reta_size);
4041         if (ret < 0)
4042                 return ret;
4043
4044         /* Check entry value */
4045         ret = eth_check_reta_entry(reta_conf, reta_size,
4046                                 dev->data->nb_rx_queues);
4047         if (ret < 0)
4048                 return ret;
4049
4050         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4051         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4052                                                              reta_size));
4053 }
4054
4055 int
4056 rte_eth_dev_rss_reta_query(uint16_t port_id,
4057                            struct rte_eth_rss_reta_entry64 *reta_conf,
4058                            uint16_t reta_size)
4059 {
4060         struct rte_eth_dev *dev;
4061         int ret;
4062
4063         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4064         dev = &rte_eth_devices[port_id];
4065
4066         if (reta_conf == NULL) {
4067                 RTE_ETHDEV_LOG(ERR,
4068                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4069                         port_id);
4070                 return -EINVAL;
4071         }
4072
4073         /* Check mask bits */
4074         ret = eth_check_reta_mask(reta_conf, reta_size);
4075         if (ret < 0)
4076                 return ret;
4077
4078         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4079         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4080                                                             reta_size));
4081 }
4082
4083 int
4084 rte_eth_dev_rss_hash_update(uint16_t port_id,
4085                             struct rte_eth_rss_conf *rss_conf)
4086 {
4087         struct rte_eth_dev *dev;
4088         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4089         int ret;
4090
4091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4092         dev = &rte_eth_devices[port_id];
4093
4094         if (rss_conf == NULL) {
4095                 RTE_ETHDEV_LOG(ERR,
4096                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4097                         port_id);
4098                 return -EINVAL;
4099         }
4100
4101         ret = rte_eth_dev_info_get(port_id, &dev_info);
4102         if (ret != 0)
4103                 return ret;
4104
4105         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4106         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4107             dev_info.flow_type_rss_offloads) {
4108                 RTE_ETHDEV_LOG(ERR,
4109                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4110                         port_id, rss_conf->rss_hf,
4111                         dev_info.flow_type_rss_offloads);
4112                 return -EINVAL;
4113         }
4114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4115         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4116                                                                  rss_conf));
4117 }
4118
4119 int
4120 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4121                               struct rte_eth_rss_conf *rss_conf)
4122 {
4123         struct rte_eth_dev *dev;
4124
4125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4126         dev = &rte_eth_devices[port_id];
4127
4128         if (rss_conf == NULL) {
4129                 RTE_ETHDEV_LOG(ERR,
4130                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4131                         port_id);
4132                 return -EINVAL;
4133         }
4134
4135         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4136         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4137                                                                    rss_conf));
4138 }
4139
4140 int
4141 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4142                                 struct rte_eth_udp_tunnel *udp_tunnel)
4143 {
4144         struct rte_eth_dev *dev;
4145
4146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4147         dev = &rte_eth_devices[port_id];
4148
4149         if (udp_tunnel == NULL) {
4150                 RTE_ETHDEV_LOG(ERR,
4151                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4152                         port_id);
4153                 return -EINVAL;
4154         }
4155
4156         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4157                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4158                 return -EINVAL;
4159         }
4160
4161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4162         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4163                                                                 udp_tunnel));
4164 }
4165
4166 int
4167 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4168                                    struct rte_eth_udp_tunnel *udp_tunnel)
4169 {
4170         struct rte_eth_dev *dev;
4171
4172         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4173         dev = &rte_eth_devices[port_id];
4174
4175         if (udp_tunnel == NULL) {
4176                 RTE_ETHDEV_LOG(ERR,
4177                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4178                         port_id);
4179                 return -EINVAL;
4180         }
4181
4182         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4183                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4184                 return -EINVAL;
4185         }
4186
4187         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4188         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4189                                                                 udp_tunnel));
4190 }
4191
4192 int
4193 rte_eth_led_on(uint16_t port_id)
4194 {
4195         struct rte_eth_dev *dev;
4196
4197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4198         dev = &rte_eth_devices[port_id];
4199
4200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4201         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4202 }
4203
4204 int
4205 rte_eth_led_off(uint16_t port_id)
4206 {
4207         struct rte_eth_dev *dev;
4208
4209         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4210         dev = &rte_eth_devices[port_id];
4211
4212         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4213         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4214 }
4215
4216 int
4217 rte_eth_fec_get_capability(uint16_t port_id,
4218                            struct rte_eth_fec_capa *speed_fec_capa,
4219                            unsigned int num)
4220 {
4221         struct rte_eth_dev *dev;
4222         int ret;
4223
4224         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4225         dev = &rte_eth_devices[port_id];
4226
4227         if (speed_fec_capa == NULL && num > 0) {
4228                 RTE_ETHDEV_LOG(ERR,
4229                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4230                         port_id);
4231                 return -EINVAL;
4232         }
4233
4234         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4235         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4236
4237         return ret;
4238 }
4239
4240 int
4241 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4242 {
4243         struct rte_eth_dev *dev;
4244
4245         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4246         dev = &rte_eth_devices[port_id];
4247
4248         if (fec_capa == NULL) {
4249                 RTE_ETHDEV_LOG(ERR,
4250                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4251                         port_id);
4252                 return -EINVAL;
4253         }
4254
4255         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4256         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4257 }
4258
4259 int
4260 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4261 {
4262         struct rte_eth_dev *dev;
4263
4264         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4265         dev = &rte_eth_devices[port_id];
4266
4267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4268         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4269 }
4270
4271 /*
4272  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4273  * an empty spot.
4274  */
4275 static int
4276 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4277 {
4278         struct rte_eth_dev_info dev_info;
4279         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4280         unsigned i;
4281         int ret;
4282
4283         ret = rte_eth_dev_info_get(port_id, &dev_info);
4284         if (ret != 0)
4285                 return -1;
4286
4287         for (i = 0; i < dev_info.max_mac_addrs; i++)
4288                 if (memcmp(addr, &dev->data->mac_addrs[i],
4289                                 RTE_ETHER_ADDR_LEN) == 0)
4290                         return i;
4291
4292         return -1;
4293 }
4294
4295 static const struct rte_ether_addr null_mac_addr;
4296
4297 int
4298 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4299                         uint32_t pool)
4300 {
4301         struct rte_eth_dev *dev;
4302         int index;
4303         uint64_t pool_mask;
4304         int ret;
4305
4306         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4307         dev = &rte_eth_devices[port_id];
4308
4309         if (addr == NULL) {
4310                 RTE_ETHDEV_LOG(ERR,
4311                         "Cannot add ethdev port %u MAC address from NULL address\n",
4312                         port_id);
4313                 return -EINVAL;
4314         }
4315
4316         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4317
4318         if (rte_is_zero_ether_addr(addr)) {
4319                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4320                         port_id);
4321                 return -EINVAL;
4322         }
4323         if (pool >= ETH_64_POOLS) {
4324                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4325                 return -EINVAL;
4326         }
4327
4328         index = eth_dev_get_mac_addr_index(port_id, addr);
4329         if (index < 0) {
4330                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4331                 if (index < 0) {
4332                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4333                                 port_id);
4334                         return -ENOSPC;
4335                 }
4336         } else {
4337                 pool_mask = dev->data->mac_pool_sel[index];
4338
4339                 /* Check if both MAC address and pool is already there, and do nothing */
4340                 if (pool_mask & (1ULL << pool))
4341                         return 0;
4342         }
4343
4344         /* Update NIC */
4345         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4346
4347         if (ret == 0) {
4348                 /* Update address in NIC data structure */
4349                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4350
4351                 /* Update pool bitmap in NIC data structure */
4352                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4353         }
4354
4355         return eth_err(port_id, ret);
4356 }
4357
4358 int
4359 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4360 {
4361         struct rte_eth_dev *dev;
4362         int index;
4363
4364         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4365         dev = &rte_eth_devices[port_id];
4366
4367         if (addr == NULL) {
4368                 RTE_ETHDEV_LOG(ERR,
4369                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4370                         port_id);
4371                 return -EINVAL;
4372         }
4373
4374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4375
4376         index = eth_dev_get_mac_addr_index(port_id, addr);
4377         if (index == 0) {
4378                 RTE_ETHDEV_LOG(ERR,
4379                         "Port %u: Cannot remove default MAC address\n",
4380                         port_id);
4381                 return -EADDRINUSE;
4382         } else if (index < 0)
4383                 return 0;  /* Do nothing if address wasn't found */
4384
4385         /* Update NIC */
4386         (*dev->dev_ops->mac_addr_remove)(dev, index);
4387
4388         /* Update address in NIC data structure */
4389         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4390
4391         /* reset pool bitmap */
4392         dev->data->mac_pool_sel[index] = 0;
4393
4394         return 0;
4395 }
4396
4397 int
4398 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4399 {
4400         struct rte_eth_dev *dev;
4401         int ret;
4402
4403         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4404         dev = &rte_eth_devices[port_id];
4405
4406         if (addr == NULL) {
4407                 RTE_ETHDEV_LOG(ERR,
4408                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4409                         port_id);
4410                 return -EINVAL;
4411         }
4412
4413         if (!rte_is_valid_assigned_ether_addr(addr))
4414                 return -EINVAL;
4415
4416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4417
4418         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4419         if (ret < 0)
4420                 return ret;
4421
4422         /* Update default address in NIC data structure */
4423         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4424
4425         return 0;
4426 }
4427
4428
4429 /*
4430  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4431  * an empty spot.
4432  */
4433 static int
4434 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4435                 const struct rte_ether_addr *addr)
4436 {
4437         struct rte_eth_dev_info dev_info;
4438         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4439         unsigned i;
4440         int ret;
4441
4442         ret = rte_eth_dev_info_get(port_id, &dev_info);
4443         if (ret != 0)
4444                 return -1;
4445
4446         if (!dev->data->hash_mac_addrs)
4447                 return -1;
4448
4449         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4450                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4451                         RTE_ETHER_ADDR_LEN) == 0)
4452                         return i;
4453
4454         return -1;
4455 }
4456
4457 int
4458 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4459                                 uint8_t on)
4460 {
4461         int index;
4462         int ret;
4463         struct rte_eth_dev *dev;
4464
4465         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4466         dev = &rte_eth_devices[port_id];
4467
4468         if (addr == NULL) {
4469                 RTE_ETHDEV_LOG(ERR,
4470                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4471                         port_id);
4472                 return -EINVAL;
4473         }
4474
4475         if (rte_is_zero_ether_addr(addr)) {
4476                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4477                         port_id);
4478                 return -EINVAL;
4479         }
4480
4481         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4482         /* Check if it's already there, and do nothing */
4483         if ((index >= 0) && on)
4484                 return 0;
4485
4486         if (index < 0) {
4487                 if (!on) {
4488                         RTE_ETHDEV_LOG(ERR,
4489                                 "Port %u: the MAC address was not set in UTA\n",
4490                                 port_id);
4491                         return -EINVAL;
4492                 }
4493
4494                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4495                 if (index < 0) {
4496                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4497                                 port_id);
4498                         return -ENOSPC;
4499                 }
4500         }
4501
4502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4503         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4504         if (ret == 0) {
4505                 /* Update address in NIC data structure */
4506                 if (on)
4507                         rte_ether_addr_copy(addr,
4508                                         &dev->data->hash_mac_addrs[index]);
4509                 else
4510                         rte_ether_addr_copy(&null_mac_addr,
4511                                         &dev->data->hash_mac_addrs[index]);
4512         }
4513
4514         return eth_err(port_id, ret);
4515 }
4516
4517 int
4518 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4519 {
4520         struct rte_eth_dev *dev;
4521
4522         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4523         dev = &rte_eth_devices[port_id];
4524
4525         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4526         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4527                                                                        on));
4528 }
4529
4530 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4531                                         uint16_t tx_rate)
4532 {
4533         struct rte_eth_dev *dev;
4534         struct rte_eth_dev_info dev_info;
4535         struct rte_eth_link link;
4536         int ret;
4537
4538         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4539         dev = &rte_eth_devices[port_id];
4540
4541         ret = rte_eth_dev_info_get(port_id, &dev_info);
4542         if (ret != 0)
4543                 return ret;
4544
4545         link = dev->data->dev_link;
4546
4547         if (queue_idx > dev_info.max_tx_queues) {
4548                 RTE_ETHDEV_LOG(ERR,
4549                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4550                         port_id, queue_idx);
4551                 return -EINVAL;
4552         }
4553
4554         if (tx_rate > link.link_speed) {
4555                 RTE_ETHDEV_LOG(ERR,
4556                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4557                         tx_rate, link.link_speed);
4558                 return -EINVAL;
4559         }
4560
4561         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4562         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4563                                                         queue_idx, tx_rate));
4564 }
4565
4566 RTE_INIT(eth_dev_init_fp_ops)
4567 {
4568         uint32_t i;
4569
4570         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4571                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4572 }
4573
4574 RTE_INIT(eth_dev_init_cb_lists)
4575 {
4576         uint16_t i;
4577
4578         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4579                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4580 }
4581
4582 int
4583 rte_eth_dev_callback_register(uint16_t port_id,
4584                         enum rte_eth_event_type event,
4585                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4586 {
4587         struct rte_eth_dev *dev;
4588         struct rte_eth_dev_callback *user_cb;
4589         uint16_t next_port;
4590         uint16_t last_port;
4591
4592         if (cb_fn == NULL) {
4593                 RTE_ETHDEV_LOG(ERR,
4594                         "Cannot register ethdev port %u callback from NULL\n",
4595                         port_id);
4596                 return -EINVAL;
4597         }
4598
4599         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4600                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4601                 return -EINVAL;
4602         }
4603
4604         if (port_id == RTE_ETH_ALL) {
4605                 next_port = 0;
4606                 last_port = RTE_MAX_ETHPORTS - 1;
4607         } else {
4608                 next_port = last_port = port_id;
4609         }
4610
4611         rte_spinlock_lock(&eth_dev_cb_lock);
4612
4613         do {
4614                 dev = &rte_eth_devices[next_port];
4615
4616                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4617                         if (user_cb->cb_fn == cb_fn &&
4618                                 user_cb->cb_arg == cb_arg &&
4619                                 user_cb->event == event) {
4620                                 break;
4621                         }
4622                 }
4623
4624                 /* create a new callback. */
4625                 if (user_cb == NULL) {
4626                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4627                                 sizeof(struct rte_eth_dev_callback), 0);
4628                         if (user_cb != NULL) {
4629                                 user_cb->cb_fn = cb_fn;
4630                                 user_cb->cb_arg = cb_arg;
4631                                 user_cb->event = event;
4632                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4633                                                   user_cb, next);
4634                         } else {
4635                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4636                                 rte_eth_dev_callback_unregister(port_id, event,
4637                                                                 cb_fn, cb_arg);
4638                                 return -ENOMEM;
4639                         }
4640
4641                 }
4642         } while (++next_port <= last_port);
4643
4644         rte_spinlock_unlock(&eth_dev_cb_lock);
4645         return 0;
4646 }
4647
4648 int
4649 rte_eth_dev_callback_unregister(uint16_t port_id,
4650                         enum rte_eth_event_type event,
4651                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4652 {
4653         int ret;
4654         struct rte_eth_dev *dev;
4655         struct rte_eth_dev_callback *cb, *next;
4656         uint16_t next_port;
4657         uint16_t last_port;
4658
4659         if (cb_fn == NULL) {
4660                 RTE_ETHDEV_LOG(ERR,
4661                         "Cannot unregister ethdev port %u callback from NULL\n",
4662                         port_id);
4663                 return -EINVAL;
4664         }
4665
4666         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4667                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4668                 return -EINVAL;
4669         }
4670
4671         if (port_id == RTE_ETH_ALL) {
4672                 next_port = 0;
4673                 last_port = RTE_MAX_ETHPORTS - 1;
4674         } else {
4675                 next_port = last_port = port_id;
4676         }
4677
4678         rte_spinlock_lock(&eth_dev_cb_lock);
4679
4680         do {
4681                 dev = &rte_eth_devices[next_port];
4682                 ret = 0;
4683                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4684                      cb = next) {
4685
4686                         next = TAILQ_NEXT(cb, next);
4687
4688                         if (cb->cb_fn != cb_fn || cb->event != event ||
4689                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4690                                 continue;
4691
4692                         /*
4693                          * if this callback is not executing right now,
4694                          * then remove it.
4695                          */
4696                         if (cb->active == 0) {
4697                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4698                                 rte_free(cb);
4699                         } else {
4700                                 ret = -EAGAIN;
4701                         }
4702                 }
4703         } while (++next_port <= last_port);
4704
4705         rte_spinlock_unlock(&eth_dev_cb_lock);
4706         return ret;
4707 }
4708
4709 int
4710 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4711         enum rte_eth_event_type event, void *ret_param)
4712 {
4713         struct rte_eth_dev_callback *cb_lst;
4714         struct rte_eth_dev_callback dev_cb;
4715         int rc = 0;
4716
4717         rte_spinlock_lock(&eth_dev_cb_lock);
4718         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4719                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4720                         continue;
4721                 dev_cb = *cb_lst;
4722                 cb_lst->active = 1;
4723                 if (ret_param != NULL)
4724                         dev_cb.ret_param = ret_param;
4725
4726                 rte_spinlock_unlock(&eth_dev_cb_lock);
4727                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4728                                 dev_cb.cb_arg, dev_cb.ret_param);
4729                 rte_spinlock_lock(&eth_dev_cb_lock);
4730                 cb_lst->active = 0;
4731         }
4732         rte_spinlock_unlock(&eth_dev_cb_lock);
4733         return rc;
4734 }
4735
4736 void
4737 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4738 {
4739         if (dev == NULL)
4740                 return;
4741
4742         /*
4743          * for secondary process, at that point we expect device
4744          * to be already 'usable', so shared data and all function pointers
4745          * for fast-path devops have to be setup properly inside rte_eth_dev.
4746          */
4747         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4748                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4749
4750         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4751
4752         dev->state = RTE_ETH_DEV_ATTACHED;
4753 }
4754
4755 int
4756 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4757 {
4758         uint32_t vec;
4759         struct rte_eth_dev *dev;
4760         struct rte_intr_handle *intr_handle;
4761         uint16_t qid;
4762         int rc;
4763
4764         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4765         dev = &rte_eth_devices[port_id];
4766
4767         if (!dev->intr_handle) {
4768                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4769                 return -ENOTSUP;
4770         }
4771
4772         intr_handle = dev->intr_handle;
4773         if (!intr_handle->intr_vec) {
4774                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4775                 return -EPERM;
4776         }
4777
4778         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4779                 vec = intr_handle->intr_vec[qid];
4780                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4781                 if (rc && rc != -EEXIST) {
4782                         RTE_ETHDEV_LOG(ERR,
4783                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4784                                 port_id, qid, op, epfd, vec);
4785                 }
4786         }
4787
4788         return 0;
4789 }
4790
4791 int
4792 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4793 {
4794         struct rte_intr_handle *intr_handle;
4795         struct rte_eth_dev *dev;
4796         unsigned int efd_idx;
4797         uint32_t vec;
4798         int fd;
4799
4800         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4801         dev = &rte_eth_devices[port_id];
4802
4803         if (queue_id >= dev->data->nb_rx_queues) {
4804                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4805                 return -1;
4806         }
4807
4808         if (!dev->intr_handle) {
4809                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4810                 return -1;
4811         }
4812
4813         intr_handle = dev->intr_handle;
4814         if (!intr_handle->intr_vec) {
4815                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4816                 return -1;
4817         }
4818
4819         vec = intr_handle->intr_vec[queue_id];
4820         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4821                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4822         fd = intr_handle->efds[efd_idx];
4823
4824         return fd;
4825 }
4826
4827 static inline int
4828 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4829                 const char *ring_name)
4830 {
4831         return snprintf(name, len, "eth_p%d_q%d_%s",
4832                         port_id, queue_id, ring_name);
4833 }
4834
4835 const struct rte_memzone *
4836 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4837                          uint16_t queue_id, size_t size, unsigned align,
4838                          int socket_id)
4839 {
4840         char z_name[RTE_MEMZONE_NAMESIZE];
4841         const struct rte_memzone *mz;
4842         int rc;
4843
4844         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4845                         queue_id, ring_name);
4846         if (rc >= RTE_MEMZONE_NAMESIZE) {
4847                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4848                 rte_errno = ENAMETOOLONG;
4849                 return NULL;
4850         }
4851
4852         mz = rte_memzone_lookup(z_name);
4853         if (mz) {
4854                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4855                                 size > mz->len ||
4856                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4857                         RTE_ETHDEV_LOG(ERR,
4858                                 "memzone %s does not justify the requested attributes\n",
4859                                 mz->name);
4860                         return NULL;
4861                 }
4862
4863                 return mz;
4864         }
4865
4866         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4867                         RTE_MEMZONE_IOVA_CONTIG, align);
4868 }
4869
4870 int
4871 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4872                 uint16_t queue_id)
4873 {
4874         char z_name[RTE_MEMZONE_NAMESIZE];
4875         const struct rte_memzone *mz;
4876         int rc = 0;
4877
4878         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4879                         queue_id, ring_name);
4880         if (rc >= RTE_MEMZONE_NAMESIZE) {
4881                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4882                 return -ENAMETOOLONG;
4883         }
4884
4885         mz = rte_memzone_lookup(z_name);
4886         if (mz)
4887                 rc = rte_memzone_free(mz);
4888         else
4889                 rc = -ENOENT;
4890
4891         return rc;
4892 }
4893
4894 int
4895 rte_eth_dev_create(struct rte_device *device, const char *name,
4896         size_t priv_data_size,
4897         ethdev_bus_specific_init ethdev_bus_specific_init,
4898         void *bus_init_params,
4899         ethdev_init_t ethdev_init, void *init_params)
4900 {
4901         struct rte_eth_dev *ethdev;
4902         int retval;
4903
4904         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4905
4906         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4907                 ethdev = rte_eth_dev_allocate(name);
4908                 if (!ethdev)
4909                         return -ENODEV;
4910
4911                 if (priv_data_size) {
4912                         ethdev->data->dev_private = rte_zmalloc_socket(
4913                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4914                                 device->numa_node);
4915
4916                         if (!ethdev->data->dev_private) {
4917                                 RTE_ETHDEV_LOG(ERR,
4918                                         "failed to allocate private data\n");
4919                                 retval = -ENOMEM;
4920                                 goto probe_failed;
4921                         }
4922                 }
4923         } else {
4924                 ethdev = rte_eth_dev_attach_secondary(name);
4925                 if (!ethdev) {
4926                         RTE_ETHDEV_LOG(ERR,
4927                                 "secondary process attach failed, ethdev doesn't exist\n");
4928                         return  -ENODEV;
4929                 }
4930         }
4931
4932         ethdev->device = device;
4933
4934         if (ethdev_bus_specific_init) {
4935                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4936                 if (retval) {
4937                         RTE_ETHDEV_LOG(ERR,
4938                                 "ethdev bus specific initialisation failed\n");
4939                         goto probe_failed;
4940                 }
4941         }
4942
4943         retval = ethdev_init(ethdev, init_params);
4944         if (retval) {
4945                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4946                 goto probe_failed;
4947         }
4948
4949         rte_eth_dev_probing_finish(ethdev);
4950
4951         return retval;
4952
4953 probe_failed:
4954         rte_eth_dev_release_port(ethdev);
4955         return retval;
4956 }
4957
4958 int
4959 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4960         ethdev_uninit_t ethdev_uninit)
4961 {
4962         int ret;
4963
4964         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4965         if (!ethdev)
4966                 return -ENODEV;
4967
4968         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4969
4970         ret = ethdev_uninit(ethdev);
4971         if (ret)
4972                 return ret;
4973
4974         return rte_eth_dev_release_port(ethdev);
4975 }
4976
4977 int
4978 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4979                           int epfd, int op, void *data)
4980 {
4981         uint32_t vec;
4982         struct rte_eth_dev *dev;
4983         struct rte_intr_handle *intr_handle;
4984         int rc;
4985
4986         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4987         dev = &rte_eth_devices[port_id];
4988
4989         if (queue_id >= dev->data->nb_rx_queues) {
4990                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4991                 return -EINVAL;
4992         }
4993
4994         if (!dev->intr_handle) {
4995                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4996                 return -ENOTSUP;
4997         }
4998
4999         intr_handle = dev->intr_handle;
5000         if (!intr_handle->intr_vec) {
5001                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
5002                 return -EPERM;
5003         }
5004
5005         vec = intr_handle->intr_vec[queue_id];
5006         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5007         if (rc && rc != -EEXIST) {
5008                 RTE_ETHDEV_LOG(ERR,
5009                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
5010                         port_id, queue_id, op, epfd, vec);
5011                 return rc;
5012         }
5013
5014         return 0;
5015 }
5016
5017 int
5018 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5019                            uint16_t queue_id)
5020 {
5021         struct rte_eth_dev *dev;
5022         int ret;
5023
5024         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5025         dev = &rte_eth_devices[port_id];
5026
5027         ret = eth_dev_validate_rx_queue(dev, queue_id);
5028         if (ret != 0)
5029                 return ret;
5030
5031         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5032         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5033 }
5034
5035 int
5036 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5037                             uint16_t queue_id)
5038 {
5039         struct rte_eth_dev *dev;
5040         int ret;
5041
5042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5043         dev = &rte_eth_devices[port_id];
5044
5045         ret = eth_dev_validate_rx_queue(dev, queue_id);
5046         if (ret != 0)
5047                 return ret;
5048
5049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5050         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5051 }
5052
5053
5054 const struct rte_eth_rxtx_callback *
5055 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5056                 rte_rx_callback_fn fn, void *user_param)
5057 {
5058 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5059         rte_errno = ENOTSUP;
5060         return NULL;
5061 #endif
5062         struct rte_eth_dev *dev;
5063
5064         /* check input parameters */
5065         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5066                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5067                 rte_errno = EINVAL;
5068                 return NULL;
5069         }
5070         dev = &rte_eth_devices[port_id];
5071         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5072                 rte_errno = EINVAL;
5073                 return NULL;
5074         }
5075         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5076
5077         if (cb == NULL) {
5078                 rte_errno = ENOMEM;
5079                 return NULL;
5080         }
5081
5082         cb->fn.rx = fn;
5083         cb->param = user_param;
5084
5085         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5086         /* Add the callbacks in fifo order. */
5087         struct rte_eth_rxtx_callback *tail =
5088                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5089
5090         if (!tail) {
5091                 /* Stores to cb->fn and cb->param should complete before
5092                  * cb is visible to data plane.
5093                  */
5094                 __atomic_store_n(
5095                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5096                         cb, __ATOMIC_RELEASE);
5097
5098         } else {
5099                 while (tail->next)
5100                         tail = tail->next;
5101                 /* Stores to cb->fn and cb->param should complete before
5102                  * cb is visible to data plane.
5103                  */
5104                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5105         }
5106         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5107
5108         return cb;
5109 }
5110
5111 const struct rte_eth_rxtx_callback *
5112 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5113                 rte_rx_callback_fn fn, void *user_param)
5114 {
5115 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5116         rte_errno = ENOTSUP;
5117         return NULL;
5118 #endif
5119         /* check input parameters */
5120         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5121                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5122                 rte_errno = EINVAL;
5123                 return NULL;
5124         }
5125
5126         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5127
5128         if (cb == NULL) {
5129                 rte_errno = ENOMEM;
5130                 return NULL;
5131         }
5132
5133         cb->fn.rx = fn;
5134         cb->param = user_param;
5135
5136         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5137         /* Add the callbacks at first position */
5138         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5139         /* Stores to cb->fn, cb->param and cb->next should complete before
5140          * cb is visible to data plane threads.
5141          */
5142         __atomic_store_n(
5143                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5144                 cb, __ATOMIC_RELEASE);
5145         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5146
5147         return cb;
5148 }
5149
5150 const struct rte_eth_rxtx_callback *
5151 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5152                 rte_tx_callback_fn fn, void *user_param)
5153 {
5154 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5155         rte_errno = ENOTSUP;
5156         return NULL;
5157 #endif
5158         struct rte_eth_dev *dev;
5159
5160         /* check input parameters */
5161         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5162                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5163                 rte_errno = EINVAL;
5164                 return NULL;
5165         }
5166
5167         dev = &rte_eth_devices[port_id];
5168         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5169                 rte_errno = EINVAL;
5170                 return NULL;
5171         }
5172
5173         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5174
5175         if (cb == NULL) {
5176                 rte_errno = ENOMEM;
5177                 return NULL;
5178         }
5179
5180         cb->fn.tx = fn;
5181         cb->param = user_param;
5182
5183         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5184         /* Add the callbacks in fifo order. */
5185         struct rte_eth_rxtx_callback *tail =
5186                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5187
5188         if (!tail) {
5189                 /* Stores to cb->fn and cb->param should complete before
5190                  * cb is visible to data plane.
5191                  */
5192                 __atomic_store_n(
5193                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5194                         cb, __ATOMIC_RELEASE);
5195
5196         } else {
5197                 while (tail->next)
5198                         tail = tail->next;
5199                 /* Stores to cb->fn and cb->param should complete before
5200                  * cb is visible to data plane.
5201                  */
5202                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5203         }
5204         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5205
5206         return cb;
5207 }
5208
5209 int
5210 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5211                 const struct rte_eth_rxtx_callback *user_cb)
5212 {
5213 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5214         return -ENOTSUP;
5215 #endif
5216         /* Check input parameters. */
5217         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5218         if (user_cb == NULL ||
5219                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5220                 return -EINVAL;
5221
5222         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5223         struct rte_eth_rxtx_callback *cb;
5224         struct rte_eth_rxtx_callback **prev_cb;
5225         int ret = -EINVAL;
5226
5227         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5228         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5229         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5230                 cb = *prev_cb;
5231                 if (cb == user_cb) {
5232                         /* Remove the user cb from the callback list. */
5233                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5234                         ret = 0;
5235                         break;
5236                 }
5237         }
5238         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5239
5240         return ret;
5241 }
5242
5243 int
5244 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5245                 const struct rte_eth_rxtx_callback *user_cb)
5246 {
5247 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5248         return -ENOTSUP;
5249 #endif
5250         /* Check input parameters. */
5251         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5252         if (user_cb == NULL ||
5253                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5254                 return -EINVAL;
5255
5256         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5257         int ret = -EINVAL;
5258         struct rte_eth_rxtx_callback *cb;
5259         struct rte_eth_rxtx_callback **prev_cb;
5260
5261         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5262         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5263         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5264                 cb = *prev_cb;
5265                 if (cb == user_cb) {
5266                         /* Remove the user cb from the callback list. */
5267                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5268                         ret = 0;
5269                         break;
5270                 }
5271         }
5272         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5273
5274         return ret;
5275 }
5276
5277 int
5278 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5279         struct rte_eth_rxq_info *qinfo)
5280 {
5281         struct rte_eth_dev *dev;
5282
5283         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5284         dev = &rte_eth_devices[port_id];
5285
5286         if (queue_id >= dev->data->nb_rx_queues) {
5287                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5288                 return -EINVAL;
5289         }
5290
5291         if (qinfo == NULL) {
5292                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5293                         port_id, queue_id);
5294                 return -EINVAL;
5295         }
5296
5297         if (dev->data->rx_queues == NULL ||
5298                         dev->data->rx_queues[queue_id] == NULL) {
5299                 RTE_ETHDEV_LOG(ERR,
5300                                "Rx queue %"PRIu16" of device with port_id=%"
5301                                PRIu16" has not been setup\n",
5302                                queue_id, port_id);
5303                 return -EINVAL;
5304         }
5305
5306         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5307                 RTE_ETHDEV_LOG(INFO,
5308                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5309                         queue_id, port_id);
5310                 return -EINVAL;
5311         }
5312
5313         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5314
5315         memset(qinfo, 0, sizeof(*qinfo));
5316         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5317         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5318
5319         return 0;
5320 }
5321
5322 int
5323 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5324         struct rte_eth_txq_info *qinfo)
5325 {
5326         struct rte_eth_dev *dev;
5327
5328         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5329         dev = &rte_eth_devices[port_id];
5330
5331         if (queue_id >= dev->data->nb_tx_queues) {
5332                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5333                 return -EINVAL;
5334         }
5335
5336         if (qinfo == NULL) {
5337                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5338                         port_id, queue_id);
5339                 return -EINVAL;
5340         }
5341
5342         if (dev->data->tx_queues == NULL ||
5343                         dev->data->tx_queues[queue_id] == NULL) {
5344                 RTE_ETHDEV_LOG(ERR,
5345                                "Tx queue %"PRIu16" of device with port_id=%"
5346                                PRIu16" has not been setup\n",
5347                                queue_id, port_id);
5348                 return -EINVAL;
5349         }
5350
5351         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5352                 RTE_ETHDEV_LOG(INFO,
5353                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5354                         queue_id, port_id);
5355                 return -EINVAL;
5356         }
5357
5358         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5359
5360         memset(qinfo, 0, sizeof(*qinfo));
5361         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5362         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5363
5364         return 0;
5365 }
5366
5367 int
5368 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5369                           struct rte_eth_burst_mode *mode)
5370 {
5371         struct rte_eth_dev *dev;
5372
5373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5374         dev = &rte_eth_devices[port_id];
5375
5376         if (queue_id >= dev->data->nb_rx_queues) {
5377                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5378                 return -EINVAL;
5379         }
5380
5381         if (mode == NULL) {
5382                 RTE_ETHDEV_LOG(ERR,
5383                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5384                         port_id, queue_id);
5385                 return -EINVAL;
5386         }
5387
5388         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5389         memset(mode, 0, sizeof(*mode));
5390         return eth_err(port_id,
5391                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5392 }
5393
5394 int
5395 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5396                           struct rte_eth_burst_mode *mode)
5397 {
5398         struct rte_eth_dev *dev;
5399
5400         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5401         dev = &rte_eth_devices[port_id];
5402
5403         if (queue_id >= dev->data->nb_tx_queues) {
5404                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5405                 return -EINVAL;
5406         }
5407
5408         if (mode == NULL) {
5409                 RTE_ETHDEV_LOG(ERR,
5410                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5411                         port_id, queue_id);
5412                 return -EINVAL;
5413         }
5414
5415         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5416         memset(mode, 0, sizeof(*mode));
5417         return eth_err(port_id,
5418                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5419 }
5420
5421 int
5422 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5423                 struct rte_power_monitor_cond *pmc)
5424 {
5425         struct rte_eth_dev *dev;
5426
5427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5428         dev = &rte_eth_devices[port_id];
5429
5430         if (queue_id >= dev->data->nb_rx_queues) {
5431                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5432                 return -EINVAL;
5433         }
5434
5435         if (pmc == NULL) {
5436                 RTE_ETHDEV_LOG(ERR,
5437                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5438                         port_id, queue_id);
5439                 return -EINVAL;
5440         }
5441
5442         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5443         return eth_err(port_id,
5444                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5445 }
5446
5447 int
5448 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5449                              struct rte_ether_addr *mc_addr_set,
5450                              uint32_t nb_mc_addr)
5451 {
5452         struct rte_eth_dev *dev;
5453
5454         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5455         dev = &rte_eth_devices[port_id];
5456
5457         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5458         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5459                                                 mc_addr_set, nb_mc_addr));
5460 }
5461
5462 int
5463 rte_eth_timesync_enable(uint16_t port_id)
5464 {
5465         struct rte_eth_dev *dev;
5466
5467         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5468         dev = &rte_eth_devices[port_id];
5469
5470         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5471         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5472 }
5473
5474 int
5475 rte_eth_timesync_disable(uint16_t port_id)
5476 {
5477         struct rte_eth_dev *dev;
5478
5479         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5480         dev = &rte_eth_devices[port_id];
5481
5482         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5483         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5484 }
5485
5486 int
5487 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5488                                    uint32_t flags)
5489 {
5490         struct rte_eth_dev *dev;
5491
5492         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5493         dev = &rte_eth_devices[port_id];
5494
5495         if (timestamp == NULL) {
5496                 RTE_ETHDEV_LOG(ERR,
5497                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5498                         port_id);
5499                 return -EINVAL;
5500         }
5501
5502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5503         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5504                                 (dev, timestamp, flags));
5505 }
5506
5507 int
5508 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5509                                    struct timespec *timestamp)
5510 {
5511         struct rte_eth_dev *dev;
5512
5513         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5514         dev = &rte_eth_devices[port_id];
5515
5516         if (timestamp == NULL) {
5517                 RTE_ETHDEV_LOG(ERR,
5518                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5519                         port_id);
5520                 return -EINVAL;
5521         }
5522
5523         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5524         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5525                                 (dev, timestamp));
5526 }
5527
5528 int
5529 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5530 {
5531         struct rte_eth_dev *dev;
5532
5533         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5534         dev = &rte_eth_devices[port_id];
5535
5536         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5537         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5538 }
5539
5540 int
5541 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5542 {
5543         struct rte_eth_dev *dev;
5544
5545         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5546         dev = &rte_eth_devices[port_id];
5547
5548         if (timestamp == NULL) {
5549                 RTE_ETHDEV_LOG(ERR,
5550                         "Cannot read ethdev port %u timesync time to NULL\n",
5551                         port_id);
5552                 return -EINVAL;
5553         }
5554
5555         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5556         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5557                                                                 timestamp));
5558 }
5559
5560 int
5561 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5562 {
5563         struct rte_eth_dev *dev;
5564
5565         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5566         dev = &rte_eth_devices[port_id];
5567
5568         if (timestamp == NULL) {
5569                 RTE_ETHDEV_LOG(ERR,
5570                         "Cannot write ethdev port %u timesync from NULL time\n",
5571                         port_id);
5572                 return -EINVAL;
5573         }
5574
5575         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5576         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5577                                                                 timestamp));
5578 }
5579
5580 int
5581 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5582 {
5583         struct rte_eth_dev *dev;
5584
5585         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5586         dev = &rte_eth_devices[port_id];
5587
5588         if (clock == NULL) {
5589                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5590                         port_id);
5591                 return -EINVAL;
5592         }
5593
5594         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5595         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5596 }
5597
5598 int
5599 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_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 get ethdev port %u register info to NULL\n",
5609                         port_id);
5610                 return -EINVAL;
5611         }
5612
5613         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5614         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5615 }
5616
5617 int
5618 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5619 {
5620         struct rte_eth_dev *dev;
5621
5622         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5623         dev = &rte_eth_devices[port_id];
5624
5625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5626         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5627 }
5628
5629 int
5630 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5631 {
5632         struct rte_eth_dev *dev;
5633
5634         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5635         dev = &rte_eth_devices[port_id];
5636
5637         if (info == NULL) {
5638                 RTE_ETHDEV_LOG(ERR,
5639                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5640                         port_id);
5641                 return -EINVAL;
5642         }
5643
5644         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5645         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5646 }
5647
5648 int
5649 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5650 {
5651         struct rte_eth_dev *dev;
5652
5653         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5654         dev = &rte_eth_devices[port_id];
5655
5656         if (info == NULL) {
5657                 RTE_ETHDEV_LOG(ERR,
5658                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5659                         port_id);
5660                 return -EINVAL;
5661         }
5662
5663         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5664         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5665 }
5666
5667 int
5668 rte_eth_dev_get_module_info(uint16_t port_id,
5669                             struct rte_eth_dev_module_info *modinfo)
5670 {
5671         struct rte_eth_dev *dev;
5672
5673         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5674         dev = &rte_eth_devices[port_id];
5675
5676         if (modinfo == NULL) {
5677                 RTE_ETHDEV_LOG(ERR,
5678                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5679                         port_id);
5680                 return -EINVAL;
5681         }
5682
5683         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5684         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5685 }
5686
5687 int
5688 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5689                               struct rte_dev_eeprom_info *info)
5690 {
5691         struct rte_eth_dev *dev;
5692
5693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5694         dev = &rte_eth_devices[port_id];
5695
5696         if (info == NULL) {
5697                 RTE_ETHDEV_LOG(ERR,
5698                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5699                         port_id);
5700                 return -EINVAL;
5701         }
5702
5703         if (info->data == NULL) {
5704                 RTE_ETHDEV_LOG(ERR,
5705                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5706                         port_id);
5707                 return -EINVAL;
5708         }
5709
5710         if (info->length == 0) {
5711                 RTE_ETHDEV_LOG(ERR,
5712                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5713                         port_id);
5714                 return -EINVAL;
5715         }
5716
5717         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5718         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5719 }
5720
5721 int
5722 rte_eth_dev_get_dcb_info(uint16_t port_id,
5723                              struct rte_eth_dcb_info *dcb_info)
5724 {
5725         struct rte_eth_dev *dev;
5726
5727         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5728         dev = &rte_eth_devices[port_id];
5729
5730         if (dcb_info == NULL) {
5731                 RTE_ETHDEV_LOG(ERR,
5732                         "Cannot get ethdev port %u DCB info to NULL\n",
5733                         port_id);
5734                 return -EINVAL;
5735         }
5736
5737         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5738
5739         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5740         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5741 }
5742
5743 static void
5744 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5745                 const struct rte_eth_desc_lim *desc_lim)
5746 {
5747         if (desc_lim->nb_align != 0)
5748                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5749
5750         if (desc_lim->nb_max != 0)
5751                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5752
5753         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5754 }
5755
5756 int
5757 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5758                                  uint16_t *nb_rx_desc,
5759                                  uint16_t *nb_tx_desc)
5760 {
5761         struct rte_eth_dev_info dev_info;
5762         int ret;
5763
5764         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5765
5766         ret = rte_eth_dev_info_get(port_id, &dev_info);
5767         if (ret != 0)
5768                 return ret;
5769
5770         if (nb_rx_desc != NULL)
5771                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5772
5773         if (nb_tx_desc != NULL)
5774                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5775
5776         return 0;
5777 }
5778
5779 int
5780 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5781                                    struct rte_eth_hairpin_cap *cap)
5782 {
5783         struct rte_eth_dev *dev;
5784
5785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5786         dev = &rte_eth_devices[port_id];
5787
5788         if (cap == NULL) {
5789                 RTE_ETHDEV_LOG(ERR,
5790                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5791                         port_id);
5792                 return -EINVAL;
5793         }
5794
5795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5796         memset(cap, 0, sizeof(*cap));
5797         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5798 }
5799
5800 int
5801 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5802 {
5803         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5804                 return 1;
5805         return 0;
5806 }
5807
5808 int
5809 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5810 {
5811         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5812                 return 1;
5813         return 0;
5814 }
5815
5816 int
5817 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5818 {
5819         struct rte_eth_dev *dev;
5820
5821         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5822         dev = &rte_eth_devices[port_id];
5823
5824         if (pool == NULL) {
5825                 RTE_ETHDEV_LOG(ERR,
5826                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5827                         port_id);
5828                 return -EINVAL;
5829         }
5830
5831         if (*dev->dev_ops->pool_ops_supported == NULL)
5832                 return 1; /* all pools are supported */
5833
5834         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5835 }
5836
5837 /**
5838  * A set of values to describe the possible states of a switch domain.
5839  */
5840 enum rte_eth_switch_domain_state {
5841         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5842         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5843 };
5844
5845 /**
5846  * Array of switch domains available for allocation. Array is sized to
5847  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5848  * ethdev ports in a single process.
5849  */
5850 static struct rte_eth_dev_switch {
5851         enum rte_eth_switch_domain_state state;
5852 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5853
5854 int
5855 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5856 {
5857         uint16_t i;
5858
5859         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5860
5861         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5862                 if (eth_dev_switch_domains[i].state ==
5863                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5864                         eth_dev_switch_domains[i].state =
5865                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5866                         *domain_id = i;
5867                         return 0;
5868                 }
5869         }
5870
5871         return -ENOSPC;
5872 }
5873
5874 int
5875 rte_eth_switch_domain_free(uint16_t domain_id)
5876 {
5877         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5878                 domain_id >= RTE_MAX_ETHPORTS)
5879                 return -EINVAL;
5880
5881         if (eth_dev_switch_domains[domain_id].state !=
5882                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5883                 return -EINVAL;
5884
5885         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5886
5887         return 0;
5888 }
5889
5890 static int
5891 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5892 {
5893         int state;
5894         struct rte_kvargs_pair *pair;
5895         char *letter;
5896
5897         arglist->str = strdup(str_in);
5898         if (arglist->str == NULL)
5899                 return -ENOMEM;
5900
5901         letter = arglist->str;
5902         state = 0;
5903         arglist->count = 0;
5904         pair = &arglist->pairs[0];
5905         while (1) {
5906                 switch (state) {
5907                 case 0: /* Initial */
5908                         if (*letter == '=')
5909                                 return -EINVAL;
5910                         else if (*letter == '\0')
5911                                 return 0;
5912
5913                         state = 1;
5914                         pair->key = letter;
5915                         /* fall-thru */
5916
5917                 case 1: /* Parsing key */
5918                         if (*letter == '=') {
5919                                 *letter = '\0';
5920                                 pair->value = letter + 1;
5921                                 state = 2;
5922                         } else if (*letter == ',' || *letter == '\0')
5923                                 return -EINVAL;
5924                         break;
5925
5926
5927                 case 2: /* Parsing value */
5928                         if (*letter == '[')
5929                                 state = 3;
5930                         else if (*letter == ',') {
5931                                 *letter = '\0';
5932                                 arglist->count++;
5933                                 pair = &arglist->pairs[arglist->count];
5934                                 state = 0;
5935                         } else if (*letter == '\0') {
5936                                 letter--;
5937                                 arglist->count++;
5938                                 pair = &arglist->pairs[arglist->count];
5939                                 state = 0;
5940                         }
5941                         break;
5942
5943                 case 3: /* Parsing list */
5944                         if (*letter == ']')
5945                                 state = 2;
5946                         else if (*letter == '\0')
5947                                 return -EINVAL;
5948                         break;
5949                 }
5950                 letter++;
5951         }
5952 }
5953
5954 int
5955 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5956 {
5957         struct rte_kvargs args;
5958         struct rte_kvargs_pair *pair;
5959         unsigned int i;
5960         int result = 0;
5961
5962         memset(eth_da, 0, sizeof(*eth_da));
5963
5964         result = eth_dev_devargs_tokenise(&args, dargs);
5965         if (result < 0)
5966                 goto parse_cleanup;
5967
5968         for (i = 0; i < args.count; i++) {
5969                 pair = &args.pairs[i];
5970                 if (strcmp("representor", pair->key) == 0) {
5971                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5972                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5973                                         dargs);
5974                                 result = -1;
5975                                 goto parse_cleanup;
5976                         }
5977                         result = rte_eth_devargs_parse_representor_ports(
5978                                         pair->value, eth_da);
5979                         if (result < 0)
5980                                 goto parse_cleanup;
5981                 }
5982         }
5983
5984 parse_cleanup:
5985         if (args.str)
5986                 free(args.str);
5987
5988         return result;
5989 }
5990
5991 int
5992 rte_eth_representor_id_get(uint16_t port_id,
5993                            enum rte_eth_representor_type type,
5994                            int controller, int pf, int representor_port,
5995                            uint16_t *repr_id)
5996 {
5997         int ret, n, count;
5998         uint32_t i;
5999         struct rte_eth_representor_info *info = NULL;
6000         size_t size;
6001
6002         if (type == RTE_ETH_REPRESENTOR_NONE)
6003                 return 0;
6004         if (repr_id == NULL)
6005                 return -EINVAL;
6006
6007         /* Get PMD representor range info. */
6008         ret = rte_eth_representor_info_get(port_id, NULL);
6009         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6010             controller == -1 && pf == -1) {
6011                 /* Direct mapping for legacy VF representor. */
6012                 *repr_id = representor_port;
6013                 return 0;
6014         } else if (ret < 0) {
6015                 return ret;
6016         }
6017         n = ret;
6018         size = sizeof(*info) + n * sizeof(info->ranges[0]);
6019         info = calloc(1, size);
6020         if (info == NULL)
6021                 return -ENOMEM;
6022         info->nb_ranges_alloc = n;
6023         ret = rte_eth_representor_info_get(port_id, info);
6024         if (ret < 0)
6025                 goto out;
6026
6027         /* Default controller and pf to caller. */
6028         if (controller == -1)
6029                 controller = info->controller;
6030         if (pf == -1)
6031                 pf = info->pf;
6032
6033         /* Locate representor ID. */
6034         ret = -ENOENT;
6035         for (i = 0; i < info->nb_ranges; ++i) {
6036                 if (info->ranges[i].type != type)
6037                         continue;
6038                 if (info->ranges[i].controller != controller)
6039                         continue;
6040                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6041                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6042                                 port_id, info->ranges[i].id_base,
6043                                 info->ranges[i].id_end, i);
6044                         continue;
6045
6046                 }
6047                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6048                 switch (info->ranges[i].type) {
6049                 case RTE_ETH_REPRESENTOR_PF:
6050                         if (pf < info->ranges[i].pf ||
6051                             pf >= info->ranges[i].pf + count)
6052                                 continue;
6053                         *repr_id = info->ranges[i].id_base +
6054                                    (pf - info->ranges[i].pf);
6055                         ret = 0;
6056                         goto out;
6057                 case RTE_ETH_REPRESENTOR_VF:
6058                         if (info->ranges[i].pf != pf)
6059                                 continue;
6060                         if (representor_port < info->ranges[i].vf ||
6061                             representor_port >= info->ranges[i].vf + count)
6062                                 continue;
6063                         *repr_id = info->ranges[i].id_base +
6064                                    (representor_port - info->ranges[i].vf);
6065                         ret = 0;
6066                         goto out;
6067                 case RTE_ETH_REPRESENTOR_SF:
6068                         if (info->ranges[i].pf != pf)
6069                                 continue;
6070                         if (representor_port < info->ranges[i].sf ||
6071                             representor_port >= info->ranges[i].sf + count)
6072                                 continue;
6073                         *repr_id = info->ranges[i].id_base +
6074                               (representor_port - info->ranges[i].sf);
6075                         ret = 0;
6076                         goto out;
6077                 default:
6078                         break;
6079                 }
6080         }
6081 out:
6082         free(info);
6083         return ret;
6084 }
6085
6086 static int
6087 eth_dev_handle_port_list(const char *cmd __rte_unused,
6088                 const char *params __rte_unused,
6089                 struct rte_tel_data *d)
6090 {
6091         int port_id;
6092
6093         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6094         RTE_ETH_FOREACH_DEV(port_id)
6095                 rte_tel_data_add_array_int(d, port_id);
6096         return 0;
6097 }
6098
6099 static void
6100 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6101                 const char *stat_name)
6102 {
6103         int q;
6104         struct rte_tel_data *q_data = rte_tel_data_alloc();
6105         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6106         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6107                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6108         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6109 }
6110
6111 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6112
6113 static int
6114 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6115                 const char *params,
6116                 struct rte_tel_data *d)
6117 {
6118         struct rte_eth_stats stats;
6119         int port_id, ret;
6120
6121         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6122                 return -1;
6123
6124         port_id = atoi(params);
6125         if (!rte_eth_dev_is_valid_port(port_id))
6126                 return -1;
6127
6128         ret = rte_eth_stats_get(port_id, &stats);
6129         if (ret < 0)
6130                 return -1;
6131
6132         rte_tel_data_start_dict(d);
6133         ADD_DICT_STAT(stats, ipackets);
6134         ADD_DICT_STAT(stats, opackets);
6135         ADD_DICT_STAT(stats, ibytes);
6136         ADD_DICT_STAT(stats, obytes);
6137         ADD_DICT_STAT(stats, imissed);
6138         ADD_DICT_STAT(stats, ierrors);
6139         ADD_DICT_STAT(stats, oerrors);
6140         ADD_DICT_STAT(stats, rx_nombuf);
6141         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6142         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6143         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6144         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6145         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6146
6147         return 0;
6148 }
6149
6150 static int
6151 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6152                 const char *params,
6153                 struct rte_tel_data *d)
6154 {
6155         struct rte_eth_xstat *eth_xstats;
6156         struct rte_eth_xstat_name *xstat_names;
6157         int port_id, num_xstats;
6158         int i, ret;
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         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6172         if (num_xstats < 0)
6173                 return -1;
6174
6175         /* use one malloc for both names and stats */
6176         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6177                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6178         if (eth_xstats == NULL)
6179                 return -1;
6180         xstat_names = (void *)&eth_xstats[num_xstats];
6181
6182         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6183         if (ret < 0 || ret > num_xstats) {
6184                 free(eth_xstats);
6185                 return -1;
6186         }
6187
6188         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6189         if (ret < 0 || ret > num_xstats) {
6190                 free(eth_xstats);
6191                 return -1;
6192         }
6193
6194         rte_tel_data_start_dict(d);
6195         for (i = 0; i < num_xstats; i++)
6196                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6197                                 eth_xstats[i].value);
6198         return 0;
6199 }
6200
6201 static int
6202 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6203                 const char *params,
6204                 struct rte_tel_data *d)
6205 {
6206         static const char *status_str = "status";
6207         int ret, port_id;
6208         struct rte_eth_link link;
6209         char *end_param;
6210
6211         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6212                 return -1;
6213
6214         port_id = strtoul(params, &end_param, 0);
6215         if (*end_param != '\0')
6216                 RTE_ETHDEV_LOG(NOTICE,
6217                         "Extra parameters passed to ethdev telemetry command, ignoring");
6218         if (!rte_eth_dev_is_valid_port(port_id))
6219                 return -1;
6220
6221         ret = rte_eth_link_get_nowait(port_id, &link);
6222         if (ret < 0)
6223                 return -1;
6224
6225         rte_tel_data_start_dict(d);
6226         if (!link.link_status) {
6227                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6228                 return 0;
6229         }
6230         rte_tel_data_add_dict_string(d, status_str, "UP");
6231         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6232         rte_tel_data_add_dict_string(d, "duplex",
6233                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6234                                 "full-duplex" : "half-duplex");
6235         return 0;
6236 }
6237
6238 static int
6239 eth_dev_handle_port_info(const char *cmd __rte_unused,
6240                 const char *params,
6241                 struct rte_tel_data *d)
6242 {
6243         struct rte_tel_data *rxq_state, *txq_state;
6244         char mac_addr[RTE_ETHER_ADDR_LEN];
6245         struct rte_eth_dev *eth_dev;
6246         char *end_param;
6247         int port_id, i;
6248
6249         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6250                 return -1;
6251
6252         port_id = strtoul(params, &end_param, 0);
6253         if (*end_param != '\0')
6254                 RTE_ETHDEV_LOG(NOTICE,
6255                         "Extra parameters passed to ethdev telemetry command, ignoring");
6256
6257         if (!rte_eth_dev_is_valid_port(port_id))
6258                 return -EINVAL;
6259
6260         eth_dev = &rte_eth_devices[port_id];
6261         if (!eth_dev)
6262                 return -EINVAL;
6263
6264         rxq_state = rte_tel_data_alloc();
6265         if (!rxq_state)
6266                 return -ENOMEM;
6267
6268         txq_state = rte_tel_data_alloc();
6269         if (!txq_state)
6270                 return -ENOMEM;
6271
6272         rte_tel_data_start_dict(d);
6273         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6274         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6275         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6276                         eth_dev->data->nb_rx_queues);
6277         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6278                         eth_dev->data->nb_tx_queues);
6279         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6280         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6281         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6282                         eth_dev->data->min_rx_buf_size);
6283         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6284                         eth_dev->data->rx_mbuf_alloc_failed);
6285         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6286                          eth_dev->data->mac_addrs->addr_bytes[0],
6287                          eth_dev->data->mac_addrs->addr_bytes[1],
6288                          eth_dev->data->mac_addrs->addr_bytes[2],
6289                          eth_dev->data->mac_addrs->addr_bytes[3],
6290                          eth_dev->data->mac_addrs->addr_bytes[4],
6291                          eth_dev->data->mac_addrs->addr_bytes[5]);
6292         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6293         rte_tel_data_add_dict_int(d, "promiscuous",
6294                         eth_dev->data->promiscuous);
6295         rte_tel_data_add_dict_int(d, "scattered_rx",
6296                         eth_dev->data->scattered_rx);
6297         rte_tel_data_add_dict_int(d, "all_multicast",
6298                         eth_dev->data->all_multicast);
6299         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6300         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6301         rte_tel_data_add_dict_int(d, "dev_configured",
6302                         eth_dev->data->dev_configured);
6303
6304         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6305         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6306                 rte_tel_data_add_array_int(rxq_state,
6307                                 eth_dev->data->rx_queue_state[i]);
6308
6309         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6310         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6311                 rte_tel_data_add_array_int(txq_state,
6312                                 eth_dev->data->tx_queue_state[i]);
6313
6314         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6315         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6316         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6317         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6318         rte_tel_data_add_dict_int(d, "rx_offloads",
6319                         eth_dev->data->dev_conf.rxmode.offloads);
6320         rte_tel_data_add_dict_int(d, "tx_offloads",
6321                         eth_dev->data->dev_conf.txmode.offloads);
6322         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6323                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6324
6325         return 0;
6326 }
6327
6328 int
6329 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6330                                   struct rte_hairpin_peer_info *cur_info,
6331                                   struct rte_hairpin_peer_info *peer_info,
6332                                   uint32_t direction)
6333 {
6334         struct rte_eth_dev *dev;
6335
6336         /* Current queue information is not mandatory. */
6337         if (peer_info == NULL)
6338                 return -EINVAL;
6339
6340         /* No need to check the validity again. */
6341         dev = &rte_eth_devices[peer_port];
6342         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6343                                 -ENOTSUP);
6344
6345         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6346                                         cur_info, peer_info, direction);
6347 }
6348
6349 int
6350 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6351                                 struct rte_hairpin_peer_info *peer_info,
6352                                 uint32_t direction)
6353 {
6354         struct rte_eth_dev *dev;
6355
6356         if (peer_info == NULL)
6357                 return -EINVAL;
6358
6359         /* No need to check the validity again. */
6360         dev = &rte_eth_devices[cur_port];
6361         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6362                                 -ENOTSUP);
6363
6364         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6365                                                         peer_info, direction);
6366 }
6367
6368 int
6369 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6370                                   uint32_t direction)
6371 {
6372         struct rte_eth_dev *dev;
6373
6374         /* No need to check the validity again. */
6375         dev = &rte_eth_devices[cur_port];
6376         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6377                                 -ENOTSUP);
6378
6379         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6380                                                           direction);
6381 }
6382
6383 int
6384 rte_eth_representor_info_get(uint16_t port_id,
6385                              struct rte_eth_representor_info *info)
6386 {
6387         struct rte_eth_dev *dev;
6388
6389         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6390         dev = &rte_eth_devices[port_id];
6391
6392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6393         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6394 }
6395
6396 int
6397 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6398 {
6399         struct rte_eth_dev *dev;
6400
6401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6402         dev = &rte_eth_devices[port_id];
6403
6404         if (dev->data->dev_configured != 0) {
6405                 RTE_ETHDEV_LOG(ERR,
6406                         "The port (id=%"PRIu16") is already configured\n",
6407                         port_id);
6408                 return -EBUSY;
6409         }
6410
6411         if (features == NULL) {
6412                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6413                 return -EINVAL;
6414         }
6415
6416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6417         return eth_err(port_id,
6418                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6419 }
6420
6421 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6422
6423 RTE_INIT(ethdev_init_telemetry)
6424 {
6425         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6426                         "Returns list of available ethdev ports. Takes no parameters");
6427         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6428                         "Returns the common stats for a port. Parameters: int port_id");
6429         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6430                         "Returns the extended stats for a port. Parameters: int port_id");
6431         rte_telemetry_register_cmd("/ethdev/link_status",
6432                         eth_dev_handle_port_link_status,
6433                         "Returns the link status for a port. Parameters: int port_id");
6434         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6435                         "Returns the device info for a port. Parameters: int port_id");
6436 }