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                 uint16_t overhead_len;
3664                 uint32_t frame_size;
3665
3666                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3667                 if (ret != 0)
3668                         return ret;
3669
3670                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3671                         return -EINVAL;
3672
3673                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
3674                                 dev_info.max_mtu);
3675                 frame_size = mtu + overhead_len;
3676                 if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen)
3677                         return -EINVAL;
3678
3679                 if ((dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME) != 0)
3680                         is_jumbo_frame_capable = 1;
3681         }
3682
3683         if (mtu > RTE_ETHER_MTU && is_jumbo_frame_capable == 0)
3684                 return -EINVAL;
3685
3686         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3687         if (ret == 0) {
3688                 dev->data->mtu = mtu;
3689
3690                 /* switch to jumbo mode if needed */
3691                 if (mtu > RTE_ETHER_MTU)
3692                         dev->data->dev_conf.rxmode.offloads |=
3693                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
3694                 else
3695                         dev->data->dev_conf.rxmode.offloads &=
3696                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
3697         }
3698
3699         return eth_err(port_id, ret);
3700 }
3701
3702 int
3703 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3704 {
3705         struct rte_eth_dev *dev;
3706         int ret;
3707
3708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3709         dev = &rte_eth_devices[port_id];
3710
3711         if (!(dev->data->dev_conf.rxmode.offloads &
3712               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3713                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3714                         port_id);
3715                 return -ENOSYS;
3716         }
3717
3718         if (vlan_id > 4095) {
3719                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3720                         port_id, vlan_id);
3721                 return -EINVAL;
3722         }
3723         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3724
3725         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3726         if (ret == 0) {
3727                 struct rte_vlan_filter_conf *vfc;
3728                 int vidx;
3729                 int vbit;
3730
3731                 vfc = &dev->data->vlan_filter_conf;
3732                 vidx = vlan_id / 64;
3733                 vbit = vlan_id % 64;
3734
3735                 if (on)
3736                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3737                 else
3738                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3739         }
3740
3741         return eth_err(port_id, ret);
3742 }
3743
3744 int
3745 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3746                                     int on)
3747 {
3748         struct rte_eth_dev *dev;
3749
3750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3751         dev = &rte_eth_devices[port_id];
3752
3753         if (rx_queue_id >= dev->data->nb_rx_queues) {
3754                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3755                 return -EINVAL;
3756         }
3757
3758         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3759         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3760
3761         return 0;
3762 }
3763
3764 int
3765 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3766                                 enum rte_vlan_type vlan_type,
3767                                 uint16_t tpid)
3768 {
3769         struct rte_eth_dev *dev;
3770
3771         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3772         dev = &rte_eth_devices[port_id];
3773
3774         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3775         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3776                                                                tpid));
3777 }
3778
3779 int
3780 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3781 {
3782         struct rte_eth_dev_info dev_info;
3783         struct rte_eth_dev *dev;
3784         int ret = 0;
3785         int mask = 0;
3786         int cur, org = 0;
3787         uint64_t orig_offloads;
3788         uint64_t dev_offloads;
3789         uint64_t new_offloads;
3790
3791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3792         dev = &rte_eth_devices[port_id];
3793
3794         /* save original values in case of failure */
3795         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3796         dev_offloads = orig_offloads;
3797
3798         /* check which option changed by application */
3799         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3800         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3801         if (cur != org) {
3802                 if (cur)
3803                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3804                 else
3805                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3806                 mask |= ETH_VLAN_STRIP_MASK;
3807         }
3808
3809         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3810         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3811         if (cur != org) {
3812                 if (cur)
3813                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3814                 else
3815                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3816                 mask |= ETH_VLAN_FILTER_MASK;
3817         }
3818
3819         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3820         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3821         if (cur != org) {
3822                 if (cur)
3823                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3824                 else
3825                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3826                 mask |= ETH_VLAN_EXTEND_MASK;
3827         }
3828
3829         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3830         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3831         if (cur != org) {
3832                 if (cur)
3833                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3834                 else
3835                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3836                 mask |= ETH_QINQ_STRIP_MASK;
3837         }
3838
3839         /*no change*/
3840         if (mask == 0)
3841                 return ret;
3842
3843         ret = rte_eth_dev_info_get(port_id, &dev_info);
3844         if (ret != 0)
3845                 return ret;
3846
3847         /* Rx VLAN offloading must be within its device capabilities */
3848         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3849                 new_offloads = dev_offloads & ~orig_offloads;
3850                 RTE_ETHDEV_LOG(ERR,
3851                         "Ethdev port_id=%u requested new added VLAN offloads "
3852                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3853                         "0x%" PRIx64 " in %s()\n",
3854                         port_id, new_offloads, dev_info.rx_offload_capa,
3855                         __func__);
3856                 return -EINVAL;
3857         }
3858
3859         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3860         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3861         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3862         if (ret) {
3863                 /* hit an error restore  original values */
3864                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3865         }
3866
3867         return eth_err(port_id, ret);
3868 }
3869
3870 int
3871 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3872 {
3873         struct rte_eth_dev *dev;
3874         uint64_t *dev_offloads;
3875         int ret = 0;
3876
3877         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3878         dev = &rte_eth_devices[port_id];
3879         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3880
3881         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3882                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3883
3884         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3885                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3886
3887         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3888                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3889
3890         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3891                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3892
3893         return ret;
3894 }
3895
3896 int
3897 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3898 {
3899         struct rte_eth_dev *dev;
3900
3901         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3902         dev = &rte_eth_devices[port_id];
3903
3904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3905         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3906 }
3907
3908 int
3909 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3910 {
3911         struct rte_eth_dev *dev;
3912
3913         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3914         dev = &rte_eth_devices[port_id];
3915
3916         if (fc_conf == NULL) {
3917                 RTE_ETHDEV_LOG(ERR,
3918                         "Cannot get ethdev port %u flow control config to NULL\n",
3919                         port_id);
3920                 return -EINVAL;
3921         }
3922
3923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3924         memset(fc_conf, 0, sizeof(*fc_conf));
3925         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3926 }
3927
3928 int
3929 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3930 {
3931         struct rte_eth_dev *dev;
3932
3933         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3934         dev = &rte_eth_devices[port_id];
3935
3936         if (fc_conf == NULL) {
3937                 RTE_ETHDEV_LOG(ERR,
3938                         "Cannot set ethdev port %u flow control from NULL config\n",
3939                         port_id);
3940                 return -EINVAL;
3941         }
3942
3943         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3944                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3945                 return -EINVAL;
3946         }
3947
3948         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3949         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3950 }
3951
3952 int
3953 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3954                                    struct rte_eth_pfc_conf *pfc_conf)
3955 {
3956         struct rte_eth_dev *dev;
3957
3958         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3959         dev = &rte_eth_devices[port_id];
3960
3961         if (pfc_conf == NULL) {
3962                 RTE_ETHDEV_LOG(ERR,
3963                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3964                         port_id);
3965                 return -EINVAL;
3966         }
3967
3968         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3969                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3970                 return -EINVAL;
3971         }
3972
3973         /* High water, low water validation are device specific */
3974         if  (*dev->dev_ops->priority_flow_ctrl_set)
3975                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3976                                         (dev, pfc_conf));
3977         return -ENOTSUP;
3978 }
3979
3980 static int
3981 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3982                         uint16_t reta_size)
3983 {
3984         uint16_t i, num;
3985
3986         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3987         for (i = 0; i < num; i++) {
3988                 if (reta_conf[i].mask)
3989                         return 0;
3990         }
3991
3992         return -EINVAL;
3993 }
3994
3995 static int
3996 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3997                          uint16_t reta_size,
3998                          uint16_t max_rxq)
3999 {
4000         uint16_t i, idx, shift;
4001
4002         if (max_rxq == 0) {
4003                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
4004                 return -EINVAL;
4005         }
4006
4007         for (i = 0; i < reta_size; i++) {
4008                 idx = i / RTE_RETA_GROUP_SIZE;
4009                 shift = i % RTE_RETA_GROUP_SIZE;
4010                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
4011                         (reta_conf[idx].reta[shift] >= max_rxq)) {
4012                         RTE_ETHDEV_LOG(ERR,
4013                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
4014                                 idx, shift,
4015                                 reta_conf[idx].reta[shift], max_rxq);
4016                         return -EINVAL;
4017                 }
4018         }
4019
4020         return 0;
4021 }
4022
4023 int
4024 rte_eth_dev_rss_reta_update(uint16_t port_id,
4025                             struct rte_eth_rss_reta_entry64 *reta_conf,
4026                             uint16_t reta_size)
4027 {
4028         struct rte_eth_dev *dev;
4029         int ret;
4030
4031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4032         dev = &rte_eth_devices[port_id];
4033
4034         if (reta_conf == NULL) {
4035                 RTE_ETHDEV_LOG(ERR,
4036                         "Cannot update ethdev port %u RSS RETA to NULL\n",
4037                         port_id);
4038                 return -EINVAL;
4039         }
4040
4041         if (reta_size == 0) {
4042                 RTE_ETHDEV_LOG(ERR,
4043                         "Cannot update ethdev port %u RSS RETA with zero size\n",
4044                         port_id);
4045                 return -EINVAL;
4046         }
4047
4048         /* Check mask bits */
4049         ret = eth_check_reta_mask(reta_conf, reta_size);
4050         if (ret < 0)
4051                 return ret;
4052
4053         /* Check entry value */
4054         ret = eth_check_reta_entry(reta_conf, reta_size,
4055                                 dev->data->nb_rx_queues);
4056         if (ret < 0)
4057                 return ret;
4058
4059         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4060         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4061                                                              reta_size));
4062 }
4063
4064 int
4065 rte_eth_dev_rss_reta_query(uint16_t port_id,
4066                            struct rte_eth_rss_reta_entry64 *reta_conf,
4067                            uint16_t reta_size)
4068 {
4069         struct rte_eth_dev *dev;
4070         int ret;
4071
4072         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4073         dev = &rte_eth_devices[port_id];
4074
4075         if (reta_conf == NULL) {
4076                 RTE_ETHDEV_LOG(ERR,
4077                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4078                         port_id);
4079                 return -EINVAL;
4080         }
4081
4082         /* Check mask bits */
4083         ret = eth_check_reta_mask(reta_conf, reta_size);
4084         if (ret < 0)
4085                 return ret;
4086
4087         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4088         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4089                                                             reta_size));
4090 }
4091
4092 int
4093 rte_eth_dev_rss_hash_update(uint16_t port_id,
4094                             struct rte_eth_rss_conf *rss_conf)
4095 {
4096         struct rte_eth_dev *dev;
4097         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4098         int ret;
4099
4100         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4101         dev = &rte_eth_devices[port_id];
4102
4103         if (rss_conf == NULL) {
4104                 RTE_ETHDEV_LOG(ERR,
4105                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4106                         port_id);
4107                 return -EINVAL;
4108         }
4109
4110         ret = rte_eth_dev_info_get(port_id, &dev_info);
4111         if (ret != 0)
4112                 return ret;
4113
4114         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4115         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4116             dev_info.flow_type_rss_offloads) {
4117                 RTE_ETHDEV_LOG(ERR,
4118                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4119                         port_id, rss_conf->rss_hf,
4120                         dev_info.flow_type_rss_offloads);
4121                 return -EINVAL;
4122         }
4123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4124         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4125                                                                  rss_conf));
4126 }
4127
4128 int
4129 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4130                               struct rte_eth_rss_conf *rss_conf)
4131 {
4132         struct rte_eth_dev *dev;
4133
4134         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4135         dev = &rte_eth_devices[port_id];
4136
4137         if (rss_conf == NULL) {
4138                 RTE_ETHDEV_LOG(ERR,
4139                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4140                         port_id);
4141                 return -EINVAL;
4142         }
4143
4144         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4145         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4146                                                                    rss_conf));
4147 }
4148
4149 int
4150 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4151                                 struct rte_eth_udp_tunnel *udp_tunnel)
4152 {
4153         struct rte_eth_dev *dev;
4154
4155         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4156         dev = &rte_eth_devices[port_id];
4157
4158         if (udp_tunnel == NULL) {
4159                 RTE_ETHDEV_LOG(ERR,
4160                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4161                         port_id);
4162                 return -EINVAL;
4163         }
4164
4165         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4166                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4167                 return -EINVAL;
4168         }
4169
4170         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4171         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4172                                                                 udp_tunnel));
4173 }
4174
4175 int
4176 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4177                                    struct rte_eth_udp_tunnel *udp_tunnel)
4178 {
4179         struct rte_eth_dev *dev;
4180
4181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4182         dev = &rte_eth_devices[port_id];
4183
4184         if (udp_tunnel == NULL) {
4185                 RTE_ETHDEV_LOG(ERR,
4186                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4187                         port_id);
4188                 return -EINVAL;
4189         }
4190
4191         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4192                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4193                 return -EINVAL;
4194         }
4195
4196         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4197         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4198                                                                 udp_tunnel));
4199 }
4200
4201 int
4202 rte_eth_led_on(uint16_t port_id)
4203 {
4204         struct rte_eth_dev *dev;
4205
4206         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4207         dev = &rte_eth_devices[port_id];
4208
4209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4210         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4211 }
4212
4213 int
4214 rte_eth_led_off(uint16_t port_id)
4215 {
4216         struct rte_eth_dev *dev;
4217
4218         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4219         dev = &rte_eth_devices[port_id];
4220
4221         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4222         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4223 }
4224
4225 int
4226 rte_eth_fec_get_capability(uint16_t port_id,
4227                            struct rte_eth_fec_capa *speed_fec_capa,
4228                            unsigned int num)
4229 {
4230         struct rte_eth_dev *dev;
4231         int ret;
4232
4233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4234         dev = &rte_eth_devices[port_id];
4235
4236         if (speed_fec_capa == NULL && num > 0) {
4237                 RTE_ETHDEV_LOG(ERR,
4238                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4239                         port_id);
4240                 return -EINVAL;
4241         }
4242
4243         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4244         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4245
4246         return ret;
4247 }
4248
4249 int
4250 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4251 {
4252         struct rte_eth_dev *dev;
4253
4254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4255         dev = &rte_eth_devices[port_id];
4256
4257         if (fec_capa == NULL) {
4258                 RTE_ETHDEV_LOG(ERR,
4259                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4260                         port_id);
4261                 return -EINVAL;
4262         }
4263
4264         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4265         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4266 }
4267
4268 int
4269 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4270 {
4271         struct rte_eth_dev *dev;
4272
4273         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4274         dev = &rte_eth_devices[port_id];
4275
4276         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4277         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4278 }
4279
4280 /*
4281  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4282  * an empty spot.
4283  */
4284 static int
4285 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4286 {
4287         struct rte_eth_dev_info dev_info;
4288         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4289         unsigned i;
4290         int ret;
4291
4292         ret = rte_eth_dev_info_get(port_id, &dev_info);
4293         if (ret != 0)
4294                 return -1;
4295
4296         for (i = 0; i < dev_info.max_mac_addrs; i++)
4297                 if (memcmp(addr, &dev->data->mac_addrs[i],
4298                                 RTE_ETHER_ADDR_LEN) == 0)
4299                         return i;
4300
4301         return -1;
4302 }
4303
4304 static const struct rte_ether_addr null_mac_addr;
4305
4306 int
4307 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4308                         uint32_t pool)
4309 {
4310         struct rte_eth_dev *dev;
4311         int index;
4312         uint64_t pool_mask;
4313         int ret;
4314
4315         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4316         dev = &rte_eth_devices[port_id];
4317
4318         if (addr == NULL) {
4319                 RTE_ETHDEV_LOG(ERR,
4320                         "Cannot add ethdev port %u MAC address from NULL address\n",
4321                         port_id);
4322                 return -EINVAL;
4323         }
4324
4325         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4326
4327         if (rte_is_zero_ether_addr(addr)) {
4328                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4329                         port_id);
4330                 return -EINVAL;
4331         }
4332         if (pool >= ETH_64_POOLS) {
4333                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4334                 return -EINVAL;
4335         }
4336
4337         index = eth_dev_get_mac_addr_index(port_id, addr);
4338         if (index < 0) {
4339                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4340                 if (index < 0) {
4341                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4342                                 port_id);
4343                         return -ENOSPC;
4344                 }
4345         } else {
4346                 pool_mask = dev->data->mac_pool_sel[index];
4347
4348                 /* Check if both MAC address and pool is already there, and do nothing */
4349                 if (pool_mask & (1ULL << pool))
4350                         return 0;
4351         }
4352
4353         /* Update NIC */
4354         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4355
4356         if (ret == 0) {
4357                 /* Update address in NIC data structure */
4358                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4359
4360                 /* Update pool bitmap in NIC data structure */
4361                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4362         }
4363
4364         return eth_err(port_id, ret);
4365 }
4366
4367 int
4368 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4369 {
4370         struct rte_eth_dev *dev;
4371         int index;
4372
4373         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4374         dev = &rte_eth_devices[port_id];
4375
4376         if (addr == NULL) {
4377                 RTE_ETHDEV_LOG(ERR,
4378                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4379                         port_id);
4380                 return -EINVAL;
4381         }
4382
4383         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4384
4385         index = eth_dev_get_mac_addr_index(port_id, addr);
4386         if (index == 0) {
4387                 RTE_ETHDEV_LOG(ERR,
4388                         "Port %u: Cannot remove default MAC address\n",
4389                         port_id);
4390                 return -EADDRINUSE;
4391         } else if (index < 0)
4392                 return 0;  /* Do nothing if address wasn't found */
4393
4394         /* Update NIC */
4395         (*dev->dev_ops->mac_addr_remove)(dev, index);
4396
4397         /* Update address in NIC data structure */
4398         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4399
4400         /* reset pool bitmap */
4401         dev->data->mac_pool_sel[index] = 0;
4402
4403         return 0;
4404 }
4405
4406 int
4407 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4408 {
4409         struct rte_eth_dev *dev;
4410         int ret;
4411
4412         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4413         dev = &rte_eth_devices[port_id];
4414
4415         if (addr == NULL) {
4416                 RTE_ETHDEV_LOG(ERR,
4417                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4418                         port_id);
4419                 return -EINVAL;
4420         }
4421
4422         if (!rte_is_valid_assigned_ether_addr(addr))
4423                 return -EINVAL;
4424
4425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4426
4427         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4428         if (ret < 0)
4429                 return ret;
4430
4431         /* Update default address in NIC data structure */
4432         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4433
4434         return 0;
4435 }
4436
4437
4438 /*
4439  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4440  * an empty spot.
4441  */
4442 static int
4443 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4444                 const struct rte_ether_addr *addr)
4445 {
4446         struct rte_eth_dev_info dev_info;
4447         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4448         unsigned i;
4449         int ret;
4450
4451         ret = rte_eth_dev_info_get(port_id, &dev_info);
4452         if (ret != 0)
4453                 return -1;
4454
4455         if (!dev->data->hash_mac_addrs)
4456                 return -1;
4457
4458         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4459                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4460                         RTE_ETHER_ADDR_LEN) == 0)
4461                         return i;
4462
4463         return -1;
4464 }
4465
4466 int
4467 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4468                                 uint8_t on)
4469 {
4470         int index;
4471         int ret;
4472         struct rte_eth_dev *dev;
4473
4474         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4475         dev = &rte_eth_devices[port_id];
4476
4477         if (addr == NULL) {
4478                 RTE_ETHDEV_LOG(ERR,
4479                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4480                         port_id);
4481                 return -EINVAL;
4482         }
4483
4484         if (rte_is_zero_ether_addr(addr)) {
4485                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4486                         port_id);
4487                 return -EINVAL;
4488         }
4489
4490         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4491         /* Check if it's already there, and do nothing */
4492         if ((index >= 0) && on)
4493                 return 0;
4494
4495         if (index < 0) {
4496                 if (!on) {
4497                         RTE_ETHDEV_LOG(ERR,
4498                                 "Port %u: the MAC address was not set in UTA\n",
4499                                 port_id);
4500                         return -EINVAL;
4501                 }
4502
4503                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4504                 if (index < 0) {
4505                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4506                                 port_id);
4507                         return -ENOSPC;
4508                 }
4509         }
4510
4511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4512         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4513         if (ret == 0) {
4514                 /* Update address in NIC data structure */
4515                 if (on)
4516                         rte_ether_addr_copy(addr,
4517                                         &dev->data->hash_mac_addrs[index]);
4518                 else
4519                         rte_ether_addr_copy(&null_mac_addr,
4520                                         &dev->data->hash_mac_addrs[index]);
4521         }
4522
4523         return eth_err(port_id, ret);
4524 }
4525
4526 int
4527 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4528 {
4529         struct rte_eth_dev *dev;
4530
4531         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4532         dev = &rte_eth_devices[port_id];
4533
4534         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4535         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4536                                                                        on));
4537 }
4538
4539 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4540                                         uint16_t tx_rate)
4541 {
4542         struct rte_eth_dev *dev;
4543         struct rte_eth_dev_info dev_info;
4544         struct rte_eth_link link;
4545         int ret;
4546
4547         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4548         dev = &rte_eth_devices[port_id];
4549
4550         ret = rte_eth_dev_info_get(port_id, &dev_info);
4551         if (ret != 0)
4552                 return ret;
4553
4554         link = dev->data->dev_link;
4555
4556         if (queue_idx > dev_info.max_tx_queues) {
4557                 RTE_ETHDEV_LOG(ERR,
4558                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4559                         port_id, queue_idx);
4560                 return -EINVAL;
4561         }
4562
4563         if (tx_rate > link.link_speed) {
4564                 RTE_ETHDEV_LOG(ERR,
4565                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4566                         tx_rate, link.link_speed);
4567                 return -EINVAL;
4568         }
4569
4570         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4571         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4572                                                         queue_idx, tx_rate));
4573 }
4574
4575 RTE_INIT(eth_dev_init_fp_ops)
4576 {
4577         uint32_t i;
4578
4579         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4580                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4581 }
4582
4583 RTE_INIT(eth_dev_init_cb_lists)
4584 {
4585         uint16_t i;
4586
4587         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4588                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4589 }
4590
4591 int
4592 rte_eth_dev_callback_register(uint16_t port_id,
4593                         enum rte_eth_event_type event,
4594                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4595 {
4596         struct rte_eth_dev *dev;
4597         struct rte_eth_dev_callback *user_cb;
4598         uint16_t next_port;
4599         uint16_t last_port;
4600
4601         if (cb_fn == NULL) {
4602                 RTE_ETHDEV_LOG(ERR,
4603                         "Cannot register ethdev port %u callback from NULL\n",
4604                         port_id);
4605                 return -EINVAL;
4606         }
4607
4608         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4609                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4610                 return -EINVAL;
4611         }
4612
4613         if (port_id == RTE_ETH_ALL) {
4614                 next_port = 0;
4615                 last_port = RTE_MAX_ETHPORTS - 1;
4616         } else {
4617                 next_port = last_port = port_id;
4618         }
4619
4620         rte_spinlock_lock(&eth_dev_cb_lock);
4621
4622         do {
4623                 dev = &rte_eth_devices[next_port];
4624
4625                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4626                         if (user_cb->cb_fn == cb_fn &&
4627                                 user_cb->cb_arg == cb_arg &&
4628                                 user_cb->event == event) {
4629                                 break;
4630                         }
4631                 }
4632
4633                 /* create a new callback. */
4634                 if (user_cb == NULL) {
4635                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4636                                 sizeof(struct rte_eth_dev_callback), 0);
4637                         if (user_cb != NULL) {
4638                                 user_cb->cb_fn = cb_fn;
4639                                 user_cb->cb_arg = cb_arg;
4640                                 user_cb->event = event;
4641                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4642                                                   user_cb, next);
4643                         } else {
4644                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4645                                 rte_eth_dev_callback_unregister(port_id, event,
4646                                                                 cb_fn, cb_arg);
4647                                 return -ENOMEM;
4648                         }
4649
4650                 }
4651         } while (++next_port <= last_port);
4652
4653         rte_spinlock_unlock(&eth_dev_cb_lock);
4654         return 0;
4655 }
4656
4657 int
4658 rte_eth_dev_callback_unregister(uint16_t port_id,
4659                         enum rte_eth_event_type event,
4660                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4661 {
4662         int ret;
4663         struct rte_eth_dev *dev;
4664         struct rte_eth_dev_callback *cb, *next;
4665         uint16_t next_port;
4666         uint16_t last_port;
4667
4668         if (cb_fn == NULL) {
4669                 RTE_ETHDEV_LOG(ERR,
4670                         "Cannot unregister ethdev port %u callback from NULL\n",
4671                         port_id);
4672                 return -EINVAL;
4673         }
4674
4675         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4676                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4677                 return -EINVAL;
4678         }
4679
4680         if (port_id == RTE_ETH_ALL) {
4681                 next_port = 0;
4682                 last_port = RTE_MAX_ETHPORTS - 1;
4683         } else {
4684                 next_port = last_port = port_id;
4685         }
4686
4687         rte_spinlock_lock(&eth_dev_cb_lock);
4688
4689         do {
4690                 dev = &rte_eth_devices[next_port];
4691                 ret = 0;
4692                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4693                      cb = next) {
4694
4695                         next = TAILQ_NEXT(cb, next);
4696
4697                         if (cb->cb_fn != cb_fn || cb->event != event ||
4698                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4699                                 continue;
4700
4701                         /*
4702                          * if this callback is not executing right now,
4703                          * then remove it.
4704                          */
4705                         if (cb->active == 0) {
4706                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4707                                 rte_free(cb);
4708                         } else {
4709                                 ret = -EAGAIN;
4710                         }
4711                 }
4712         } while (++next_port <= last_port);
4713
4714         rte_spinlock_unlock(&eth_dev_cb_lock);
4715         return ret;
4716 }
4717
4718 int
4719 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4720         enum rte_eth_event_type event, void *ret_param)
4721 {
4722         struct rte_eth_dev_callback *cb_lst;
4723         struct rte_eth_dev_callback dev_cb;
4724         int rc = 0;
4725
4726         rte_spinlock_lock(&eth_dev_cb_lock);
4727         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4728                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4729                         continue;
4730                 dev_cb = *cb_lst;
4731                 cb_lst->active = 1;
4732                 if (ret_param != NULL)
4733                         dev_cb.ret_param = ret_param;
4734
4735                 rte_spinlock_unlock(&eth_dev_cb_lock);
4736                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4737                                 dev_cb.cb_arg, dev_cb.ret_param);
4738                 rte_spinlock_lock(&eth_dev_cb_lock);
4739                 cb_lst->active = 0;
4740         }
4741         rte_spinlock_unlock(&eth_dev_cb_lock);
4742         return rc;
4743 }
4744
4745 void
4746 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4747 {
4748         if (dev == NULL)
4749                 return;
4750
4751         /*
4752          * for secondary process, at that point we expect device
4753          * to be already 'usable', so shared data and all function pointers
4754          * for fast-path devops have to be setup properly inside rte_eth_dev.
4755          */
4756         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4757                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4758
4759         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4760
4761         dev->state = RTE_ETH_DEV_ATTACHED;
4762 }
4763
4764 int
4765 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4766 {
4767         uint32_t vec;
4768         struct rte_eth_dev *dev;
4769         struct rte_intr_handle *intr_handle;
4770         uint16_t qid;
4771         int rc;
4772
4773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4774         dev = &rte_eth_devices[port_id];
4775
4776         if (!dev->intr_handle) {
4777                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4778                 return -ENOTSUP;
4779         }
4780
4781         intr_handle = dev->intr_handle;
4782         if (!intr_handle->intr_vec) {
4783                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4784                 return -EPERM;
4785         }
4786
4787         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4788                 vec = intr_handle->intr_vec[qid];
4789                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4790                 if (rc && rc != -EEXIST) {
4791                         RTE_ETHDEV_LOG(ERR,
4792                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4793                                 port_id, qid, op, epfd, vec);
4794                 }
4795         }
4796
4797         return 0;
4798 }
4799
4800 int
4801 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4802 {
4803         struct rte_intr_handle *intr_handle;
4804         struct rte_eth_dev *dev;
4805         unsigned int efd_idx;
4806         uint32_t vec;
4807         int fd;
4808
4809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4810         dev = &rte_eth_devices[port_id];
4811
4812         if (queue_id >= dev->data->nb_rx_queues) {
4813                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4814                 return -1;
4815         }
4816
4817         if (!dev->intr_handle) {
4818                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4819                 return -1;
4820         }
4821
4822         intr_handle = dev->intr_handle;
4823         if (!intr_handle->intr_vec) {
4824                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4825                 return -1;
4826         }
4827
4828         vec = intr_handle->intr_vec[queue_id];
4829         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4830                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4831         fd = intr_handle->efds[efd_idx];
4832
4833         return fd;
4834 }
4835
4836 static inline int
4837 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4838                 const char *ring_name)
4839 {
4840         return snprintf(name, len, "eth_p%d_q%d_%s",
4841                         port_id, queue_id, ring_name);
4842 }
4843
4844 const struct rte_memzone *
4845 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4846                          uint16_t queue_id, size_t size, unsigned align,
4847                          int socket_id)
4848 {
4849         char z_name[RTE_MEMZONE_NAMESIZE];
4850         const struct rte_memzone *mz;
4851         int rc;
4852
4853         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4854                         queue_id, ring_name);
4855         if (rc >= RTE_MEMZONE_NAMESIZE) {
4856                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4857                 rte_errno = ENAMETOOLONG;
4858                 return NULL;
4859         }
4860
4861         mz = rte_memzone_lookup(z_name);
4862         if (mz) {
4863                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4864                                 size > mz->len ||
4865                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4866                         RTE_ETHDEV_LOG(ERR,
4867                                 "memzone %s does not justify the requested attributes\n",
4868                                 mz->name);
4869                         return NULL;
4870                 }
4871
4872                 return mz;
4873         }
4874
4875         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4876                         RTE_MEMZONE_IOVA_CONTIG, align);
4877 }
4878
4879 int
4880 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4881                 uint16_t queue_id)
4882 {
4883         char z_name[RTE_MEMZONE_NAMESIZE];
4884         const struct rte_memzone *mz;
4885         int rc = 0;
4886
4887         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4888                         queue_id, ring_name);
4889         if (rc >= RTE_MEMZONE_NAMESIZE) {
4890                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4891                 return -ENAMETOOLONG;
4892         }
4893
4894         mz = rte_memzone_lookup(z_name);
4895         if (mz)
4896                 rc = rte_memzone_free(mz);
4897         else
4898                 rc = -ENOENT;
4899
4900         return rc;
4901 }
4902
4903 int
4904 rte_eth_dev_create(struct rte_device *device, const char *name,
4905         size_t priv_data_size,
4906         ethdev_bus_specific_init ethdev_bus_specific_init,
4907         void *bus_init_params,
4908         ethdev_init_t ethdev_init, void *init_params)
4909 {
4910         struct rte_eth_dev *ethdev;
4911         int retval;
4912
4913         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4914
4915         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4916                 ethdev = rte_eth_dev_allocate(name);
4917                 if (!ethdev)
4918                         return -ENODEV;
4919
4920                 if (priv_data_size) {
4921                         ethdev->data->dev_private = rte_zmalloc_socket(
4922                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4923                                 device->numa_node);
4924
4925                         if (!ethdev->data->dev_private) {
4926                                 RTE_ETHDEV_LOG(ERR,
4927                                         "failed to allocate private data\n");
4928                                 retval = -ENOMEM;
4929                                 goto probe_failed;
4930                         }
4931                 }
4932         } else {
4933                 ethdev = rte_eth_dev_attach_secondary(name);
4934                 if (!ethdev) {
4935                         RTE_ETHDEV_LOG(ERR,
4936                                 "secondary process attach failed, ethdev doesn't exist\n");
4937                         return  -ENODEV;
4938                 }
4939         }
4940
4941         ethdev->device = device;
4942
4943         if (ethdev_bus_specific_init) {
4944                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4945                 if (retval) {
4946                         RTE_ETHDEV_LOG(ERR,
4947                                 "ethdev bus specific initialisation failed\n");
4948                         goto probe_failed;
4949                 }
4950         }
4951
4952         retval = ethdev_init(ethdev, init_params);
4953         if (retval) {
4954                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4955                 goto probe_failed;
4956         }
4957
4958         rte_eth_dev_probing_finish(ethdev);
4959
4960         return retval;
4961
4962 probe_failed:
4963         rte_eth_dev_release_port(ethdev);
4964         return retval;
4965 }
4966
4967 int
4968 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4969         ethdev_uninit_t ethdev_uninit)
4970 {
4971         int ret;
4972
4973         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4974         if (!ethdev)
4975                 return -ENODEV;
4976
4977         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4978
4979         ret = ethdev_uninit(ethdev);
4980         if (ret)
4981                 return ret;
4982
4983         return rte_eth_dev_release_port(ethdev);
4984 }
4985
4986 int
4987 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4988                           int epfd, int op, void *data)
4989 {
4990         uint32_t vec;
4991         struct rte_eth_dev *dev;
4992         struct rte_intr_handle *intr_handle;
4993         int rc;
4994
4995         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4996         dev = &rte_eth_devices[port_id];
4997
4998         if (queue_id >= dev->data->nb_rx_queues) {
4999                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5000                 return -EINVAL;
5001         }
5002
5003         if (!dev->intr_handle) {
5004                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
5005                 return -ENOTSUP;
5006         }
5007
5008         intr_handle = dev->intr_handle;
5009         if (!intr_handle->intr_vec) {
5010                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
5011                 return -EPERM;
5012         }
5013
5014         vec = intr_handle->intr_vec[queue_id];
5015         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5016         if (rc && rc != -EEXIST) {
5017                 RTE_ETHDEV_LOG(ERR,
5018                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
5019                         port_id, queue_id, op, epfd, vec);
5020                 return rc;
5021         }
5022
5023         return 0;
5024 }
5025
5026 int
5027 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5028                            uint16_t queue_id)
5029 {
5030         struct rte_eth_dev *dev;
5031         int ret;
5032
5033         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5034         dev = &rte_eth_devices[port_id];
5035
5036         ret = eth_dev_validate_rx_queue(dev, queue_id);
5037         if (ret != 0)
5038                 return ret;
5039
5040         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5041         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5042 }
5043
5044 int
5045 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5046                             uint16_t queue_id)
5047 {
5048         struct rte_eth_dev *dev;
5049         int ret;
5050
5051         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5052         dev = &rte_eth_devices[port_id];
5053
5054         ret = eth_dev_validate_rx_queue(dev, queue_id);
5055         if (ret != 0)
5056                 return ret;
5057
5058         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5059         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5060 }
5061
5062
5063 const struct rte_eth_rxtx_callback *
5064 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5065                 rte_rx_callback_fn fn, void *user_param)
5066 {
5067 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5068         rte_errno = ENOTSUP;
5069         return NULL;
5070 #endif
5071         struct rte_eth_dev *dev;
5072
5073         /* check input parameters */
5074         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5075                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5076                 rte_errno = EINVAL;
5077                 return NULL;
5078         }
5079         dev = &rte_eth_devices[port_id];
5080         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5081                 rte_errno = EINVAL;
5082                 return NULL;
5083         }
5084         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5085
5086         if (cb == NULL) {
5087                 rte_errno = ENOMEM;
5088                 return NULL;
5089         }
5090
5091         cb->fn.rx = fn;
5092         cb->param = user_param;
5093
5094         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5095         /* Add the callbacks in fifo order. */
5096         struct rte_eth_rxtx_callback *tail =
5097                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5098
5099         if (!tail) {
5100                 /* Stores to cb->fn and cb->param should complete before
5101                  * cb is visible to data plane.
5102                  */
5103                 __atomic_store_n(
5104                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5105                         cb, __ATOMIC_RELEASE);
5106
5107         } else {
5108                 while (tail->next)
5109                         tail = tail->next;
5110                 /* Stores to cb->fn and cb->param should complete before
5111                  * cb is visible to data plane.
5112                  */
5113                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5114         }
5115         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5116
5117         return cb;
5118 }
5119
5120 const struct rte_eth_rxtx_callback *
5121 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5122                 rte_rx_callback_fn fn, void *user_param)
5123 {
5124 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5125         rte_errno = ENOTSUP;
5126         return NULL;
5127 #endif
5128         /* check input parameters */
5129         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5130                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5131                 rte_errno = EINVAL;
5132                 return NULL;
5133         }
5134
5135         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5136
5137         if (cb == NULL) {
5138                 rte_errno = ENOMEM;
5139                 return NULL;
5140         }
5141
5142         cb->fn.rx = fn;
5143         cb->param = user_param;
5144
5145         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5146         /* Add the callbacks at first position */
5147         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5148         /* Stores to cb->fn, cb->param and cb->next should complete before
5149          * cb is visible to data plane threads.
5150          */
5151         __atomic_store_n(
5152                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5153                 cb, __ATOMIC_RELEASE);
5154         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5155
5156         return cb;
5157 }
5158
5159 const struct rte_eth_rxtx_callback *
5160 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5161                 rte_tx_callback_fn fn, void *user_param)
5162 {
5163 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5164         rte_errno = ENOTSUP;
5165         return NULL;
5166 #endif
5167         struct rte_eth_dev *dev;
5168
5169         /* check input parameters */
5170         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5171                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5172                 rte_errno = EINVAL;
5173                 return NULL;
5174         }
5175
5176         dev = &rte_eth_devices[port_id];
5177         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5178                 rte_errno = EINVAL;
5179                 return NULL;
5180         }
5181
5182         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5183
5184         if (cb == NULL) {
5185                 rte_errno = ENOMEM;
5186                 return NULL;
5187         }
5188
5189         cb->fn.tx = fn;
5190         cb->param = user_param;
5191
5192         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5193         /* Add the callbacks in fifo order. */
5194         struct rte_eth_rxtx_callback *tail =
5195                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5196
5197         if (!tail) {
5198                 /* Stores to cb->fn and cb->param should complete before
5199                  * cb is visible to data plane.
5200                  */
5201                 __atomic_store_n(
5202                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5203                         cb, __ATOMIC_RELEASE);
5204
5205         } else {
5206                 while (tail->next)
5207                         tail = tail->next;
5208                 /* Stores to cb->fn and cb->param should complete before
5209                  * cb is visible to data plane.
5210                  */
5211                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5212         }
5213         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5214
5215         return cb;
5216 }
5217
5218 int
5219 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5220                 const struct rte_eth_rxtx_callback *user_cb)
5221 {
5222 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5223         return -ENOTSUP;
5224 #endif
5225         /* Check input parameters. */
5226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5227         if (user_cb == NULL ||
5228                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5229                 return -EINVAL;
5230
5231         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5232         struct rte_eth_rxtx_callback *cb;
5233         struct rte_eth_rxtx_callback **prev_cb;
5234         int ret = -EINVAL;
5235
5236         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5237         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5238         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5239                 cb = *prev_cb;
5240                 if (cb == user_cb) {
5241                         /* Remove the user cb from the callback list. */
5242                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5243                         ret = 0;
5244                         break;
5245                 }
5246         }
5247         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5248
5249         return ret;
5250 }
5251
5252 int
5253 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5254                 const struct rte_eth_rxtx_callback *user_cb)
5255 {
5256 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5257         return -ENOTSUP;
5258 #endif
5259         /* Check input parameters. */
5260         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5261         if (user_cb == NULL ||
5262                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5263                 return -EINVAL;
5264
5265         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5266         int ret = -EINVAL;
5267         struct rte_eth_rxtx_callback *cb;
5268         struct rte_eth_rxtx_callback **prev_cb;
5269
5270         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5271         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5272         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5273                 cb = *prev_cb;
5274                 if (cb == user_cb) {
5275                         /* Remove the user cb from the callback list. */
5276                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5277                         ret = 0;
5278                         break;
5279                 }
5280         }
5281         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5282
5283         return ret;
5284 }
5285
5286 int
5287 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5288         struct rte_eth_rxq_info *qinfo)
5289 {
5290         struct rte_eth_dev *dev;
5291
5292         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5293         dev = &rte_eth_devices[port_id];
5294
5295         if (queue_id >= dev->data->nb_rx_queues) {
5296                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5297                 return -EINVAL;
5298         }
5299
5300         if (qinfo == NULL) {
5301                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5302                         port_id, queue_id);
5303                 return -EINVAL;
5304         }
5305
5306         if (dev->data->rx_queues == NULL ||
5307                         dev->data->rx_queues[queue_id] == NULL) {
5308                 RTE_ETHDEV_LOG(ERR,
5309                                "Rx queue %"PRIu16" of device with port_id=%"
5310                                PRIu16" has not been setup\n",
5311                                queue_id, port_id);
5312                 return -EINVAL;
5313         }
5314
5315         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5316                 RTE_ETHDEV_LOG(INFO,
5317                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5318                         queue_id, port_id);
5319                 return -EINVAL;
5320         }
5321
5322         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5323
5324         memset(qinfo, 0, sizeof(*qinfo));
5325         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5326         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5327
5328         return 0;
5329 }
5330
5331 int
5332 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5333         struct rte_eth_txq_info *qinfo)
5334 {
5335         struct rte_eth_dev *dev;
5336
5337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5338         dev = &rte_eth_devices[port_id];
5339
5340         if (queue_id >= dev->data->nb_tx_queues) {
5341                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5342                 return -EINVAL;
5343         }
5344
5345         if (qinfo == NULL) {
5346                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5347                         port_id, queue_id);
5348                 return -EINVAL;
5349         }
5350
5351         if (dev->data->tx_queues == NULL ||
5352                         dev->data->tx_queues[queue_id] == NULL) {
5353                 RTE_ETHDEV_LOG(ERR,
5354                                "Tx queue %"PRIu16" of device with port_id=%"
5355                                PRIu16" has not been setup\n",
5356                                queue_id, port_id);
5357                 return -EINVAL;
5358         }
5359
5360         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5361                 RTE_ETHDEV_LOG(INFO,
5362                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5363                         queue_id, port_id);
5364                 return -EINVAL;
5365         }
5366
5367         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5368
5369         memset(qinfo, 0, sizeof(*qinfo));
5370         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5371         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5372
5373         return 0;
5374 }
5375
5376 int
5377 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5378                           struct rte_eth_burst_mode *mode)
5379 {
5380         struct rte_eth_dev *dev;
5381
5382         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5383         dev = &rte_eth_devices[port_id];
5384
5385         if (queue_id >= dev->data->nb_rx_queues) {
5386                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5387                 return -EINVAL;
5388         }
5389
5390         if (mode == NULL) {
5391                 RTE_ETHDEV_LOG(ERR,
5392                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5393                         port_id, queue_id);
5394                 return -EINVAL;
5395         }
5396
5397         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5398         memset(mode, 0, sizeof(*mode));
5399         return eth_err(port_id,
5400                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5401 }
5402
5403 int
5404 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5405                           struct rte_eth_burst_mode *mode)
5406 {
5407         struct rte_eth_dev *dev;
5408
5409         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5410         dev = &rte_eth_devices[port_id];
5411
5412         if (queue_id >= dev->data->nb_tx_queues) {
5413                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5414                 return -EINVAL;
5415         }
5416
5417         if (mode == NULL) {
5418                 RTE_ETHDEV_LOG(ERR,
5419                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5420                         port_id, queue_id);
5421                 return -EINVAL;
5422         }
5423
5424         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5425         memset(mode, 0, sizeof(*mode));
5426         return eth_err(port_id,
5427                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5428 }
5429
5430 int
5431 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5432                 struct rte_power_monitor_cond *pmc)
5433 {
5434         struct rte_eth_dev *dev;
5435
5436         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5437         dev = &rte_eth_devices[port_id];
5438
5439         if (queue_id >= dev->data->nb_rx_queues) {
5440                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5441                 return -EINVAL;
5442         }
5443
5444         if (pmc == NULL) {
5445                 RTE_ETHDEV_LOG(ERR,
5446                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5447                         port_id, queue_id);
5448                 return -EINVAL;
5449         }
5450
5451         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5452         return eth_err(port_id,
5453                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5454 }
5455
5456 int
5457 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5458                              struct rte_ether_addr *mc_addr_set,
5459                              uint32_t nb_mc_addr)
5460 {
5461         struct rte_eth_dev *dev;
5462
5463         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5464         dev = &rte_eth_devices[port_id];
5465
5466         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5467         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5468                                                 mc_addr_set, nb_mc_addr));
5469 }
5470
5471 int
5472 rte_eth_timesync_enable(uint16_t port_id)
5473 {
5474         struct rte_eth_dev *dev;
5475
5476         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5477         dev = &rte_eth_devices[port_id];
5478
5479         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5480         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5481 }
5482
5483 int
5484 rte_eth_timesync_disable(uint16_t port_id)
5485 {
5486         struct rte_eth_dev *dev;
5487
5488         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5489         dev = &rte_eth_devices[port_id];
5490
5491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5492         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5493 }
5494
5495 int
5496 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5497                                    uint32_t flags)
5498 {
5499         struct rte_eth_dev *dev;
5500
5501         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5502         dev = &rte_eth_devices[port_id];
5503
5504         if (timestamp == NULL) {
5505                 RTE_ETHDEV_LOG(ERR,
5506                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5507                         port_id);
5508                 return -EINVAL;
5509         }
5510
5511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5512         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5513                                 (dev, timestamp, flags));
5514 }
5515
5516 int
5517 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5518                                    struct timespec *timestamp)
5519 {
5520         struct rte_eth_dev *dev;
5521
5522         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5523         dev = &rte_eth_devices[port_id];
5524
5525         if (timestamp == NULL) {
5526                 RTE_ETHDEV_LOG(ERR,
5527                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5528                         port_id);
5529                 return -EINVAL;
5530         }
5531
5532         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5533         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5534                                 (dev, timestamp));
5535 }
5536
5537 int
5538 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5539 {
5540         struct rte_eth_dev *dev;
5541
5542         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5543         dev = &rte_eth_devices[port_id];
5544
5545         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5546         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5547 }
5548
5549 int
5550 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5551 {
5552         struct rte_eth_dev *dev;
5553
5554         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5555         dev = &rte_eth_devices[port_id];
5556
5557         if (timestamp == NULL) {
5558                 RTE_ETHDEV_LOG(ERR,
5559                         "Cannot read ethdev port %u timesync time to NULL\n",
5560                         port_id);
5561                 return -EINVAL;
5562         }
5563
5564         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5565         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5566                                                                 timestamp));
5567 }
5568
5569 int
5570 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5571 {
5572         struct rte_eth_dev *dev;
5573
5574         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5575         dev = &rte_eth_devices[port_id];
5576
5577         if (timestamp == NULL) {
5578                 RTE_ETHDEV_LOG(ERR,
5579                         "Cannot write ethdev port %u timesync from NULL time\n",
5580                         port_id);
5581                 return -EINVAL;
5582         }
5583
5584         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5585         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5586                                                                 timestamp));
5587 }
5588
5589 int
5590 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5591 {
5592         struct rte_eth_dev *dev;
5593
5594         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5595         dev = &rte_eth_devices[port_id];
5596
5597         if (clock == NULL) {
5598                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5599                         port_id);
5600                 return -EINVAL;
5601         }
5602
5603         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5604         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5605 }
5606
5607 int
5608 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5609 {
5610         struct rte_eth_dev *dev;
5611
5612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5613         dev = &rte_eth_devices[port_id];
5614
5615         if (info == NULL) {
5616                 RTE_ETHDEV_LOG(ERR,
5617                         "Cannot get ethdev port %u register info to NULL\n",
5618                         port_id);
5619                 return -EINVAL;
5620         }
5621
5622         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5623         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5624 }
5625
5626 int
5627 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5628 {
5629         struct rte_eth_dev *dev;
5630
5631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5632         dev = &rte_eth_devices[port_id];
5633
5634         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5635         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5636 }
5637
5638 int
5639 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5640 {
5641         struct rte_eth_dev *dev;
5642
5643         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5644         dev = &rte_eth_devices[port_id];
5645
5646         if (info == NULL) {
5647                 RTE_ETHDEV_LOG(ERR,
5648                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5649                         port_id);
5650                 return -EINVAL;
5651         }
5652
5653         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5654         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5655 }
5656
5657 int
5658 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5659 {
5660         struct rte_eth_dev *dev;
5661
5662         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5663         dev = &rte_eth_devices[port_id];
5664
5665         if (info == NULL) {
5666                 RTE_ETHDEV_LOG(ERR,
5667                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5668                         port_id);
5669                 return -EINVAL;
5670         }
5671
5672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5673         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5674 }
5675
5676 int
5677 rte_eth_dev_get_module_info(uint16_t port_id,
5678                             struct rte_eth_dev_module_info *modinfo)
5679 {
5680         struct rte_eth_dev *dev;
5681
5682         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5683         dev = &rte_eth_devices[port_id];
5684
5685         if (modinfo == NULL) {
5686                 RTE_ETHDEV_LOG(ERR,
5687                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5688                         port_id);
5689                 return -EINVAL;
5690         }
5691
5692         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5693         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5694 }
5695
5696 int
5697 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5698                               struct rte_dev_eeprom_info *info)
5699 {
5700         struct rte_eth_dev *dev;
5701
5702         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5703         dev = &rte_eth_devices[port_id];
5704
5705         if (info == NULL) {
5706                 RTE_ETHDEV_LOG(ERR,
5707                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5708                         port_id);
5709                 return -EINVAL;
5710         }
5711
5712         if (info->data == NULL) {
5713                 RTE_ETHDEV_LOG(ERR,
5714                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5715                         port_id);
5716                 return -EINVAL;
5717         }
5718
5719         if (info->length == 0) {
5720                 RTE_ETHDEV_LOG(ERR,
5721                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5722                         port_id);
5723                 return -EINVAL;
5724         }
5725
5726         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5727         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5728 }
5729
5730 int
5731 rte_eth_dev_get_dcb_info(uint16_t port_id,
5732                              struct rte_eth_dcb_info *dcb_info)
5733 {
5734         struct rte_eth_dev *dev;
5735
5736         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5737         dev = &rte_eth_devices[port_id];
5738
5739         if (dcb_info == NULL) {
5740                 RTE_ETHDEV_LOG(ERR,
5741                         "Cannot get ethdev port %u DCB info to NULL\n",
5742                         port_id);
5743                 return -EINVAL;
5744         }
5745
5746         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5747
5748         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5749         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5750 }
5751
5752 static void
5753 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5754                 const struct rte_eth_desc_lim *desc_lim)
5755 {
5756         if (desc_lim->nb_align != 0)
5757                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5758
5759         if (desc_lim->nb_max != 0)
5760                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5761
5762         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5763 }
5764
5765 int
5766 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5767                                  uint16_t *nb_rx_desc,
5768                                  uint16_t *nb_tx_desc)
5769 {
5770         struct rte_eth_dev_info dev_info;
5771         int ret;
5772
5773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5774
5775         ret = rte_eth_dev_info_get(port_id, &dev_info);
5776         if (ret != 0)
5777                 return ret;
5778
5779         if (nb_rx_desc != NULL)
5780                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5781
5782         if (nb_tx_desc != NULL)
5783                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5784
5785         return 0;
5786 }
5787
5788 int
5789 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5790                                    struct rte_eth_hairpin_cap *cap)
5791 {
5792         struct rte_eth_dev *dev;
5793
5794         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5795         dev = &rte_eth_devices[port_id];
5796
5797         if (cap == NULL) {
5798                 RTE_ETHDEV_LOG(ERR,
5799                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5800                         port_id);
5801                 return -EINVAL;
5802         }
5803
5804         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5805         memset(cap, 0, sizeof(*cap));
5806         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5807 }
5808
5809 int
5810 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5811 {
5812         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5813                 return 1;
5814         return 0;
5815 }
5816
5817 int
5818 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5819 {
5820         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5821                 return 1;
5822         return 0;
5823 }
5824
5825 int
5826 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5827 {
5828         struct rte_eth_dev *dev;
5829
5830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5831         dev = &rte_eth_devices[port_id];
5832
5833         if (pool == NULL) {
5834                 RTE_ETHDEV_LOG(ERR,
5835                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5836                         port_id);
5837                 return -EINVAL;
5838         }
5839
5840         if (*dev->dev_ops->pool_ops_supported == NULL)
5841                 return 1; /* all pools are supported */
5842
5843         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5844 }
5845
5846 /**
5847  * A set of values to describe the possible states of a switch domain.
5848  */
5849 enum rte_eth_switch_domain_state {
5850         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5851         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5852 };
5853
5854 /**
5855  * Array of switch domains available for allocation. Array is sized to
5856  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5857  * ethdev ports in a single process.
5858  */
5859 static struct rte_eth_dev_switch {
5860         enum rte_eth_switch_domain_state state;
5861 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5862
5863 int
5864 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5865 {
5866         uint16_t i;
5867
5868         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5869
5870         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5871                 if (eth_dev_switch_domains[i].state ==
5872                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5873                         eth_dev_switch_domains[i].state =
5874                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5875                         *domain_id = i;
5876                         return 0;
5877                 }
5878         }
5879
5880         return -ENOSPC;
5881 }
5882
5883 int
5884 rte_eth_switch_domain_free(uint16_t domain_id)
5885 {
5886         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5887                 domain_id >= RTE_MAX_ETHPORTS)
5888                 return -EINVAL;
5889
5890         if (eth_dev_switch_domains[domain_id].state !=
5891                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5892                 return -EINVAL;
5893
5894         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5895
5896         return 0;
5897 }
5898
5899 static int
5900 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5901 {
5902         int state;
5903         struct rte_kvargs_pair *pair;
5904         char *letter;
5905
5906         arglist->str = strdup(str_in);
5907         if (arglist->str == NULL)
5908                 return -ENOMEM;
5909
5910         letter = arglist->str;
5911         state = 0;
5912         arglist->count = 0;
5913         pair = &arglist->pairs[0];
5914         while (1) {
5915                 switch (state) {
5916                 case 0: /* Initial */
5917                         if (*letter == '=')
5918                                 return -EINVAL;
5919                         else if (*letter == '\0')
5920                                 return 0;
5921
5922                         state = 1;
5923                         pair->key = letter;
5924                         /* fall-thru */
5925
5926                 case 1: /* Parsing key */
5927                         if (*letter == '=') {
5928                                 *letter = '\0';
5929                                 pair->value = letter + 1;
5930                                 state = 2;
5931                         } else if (*letter == ',' || *letter == '\0')
5932                                 return -EINVAL;
5933                         break;
5934
5935
5936                 case 2: /* Parsing value */
5937                         if (*letter == '[')
5938                                 state = 3;
5939                         else if (*letter == ',') {
5940                                 *letter = '\0';
5941                                 arglist->count++;
5942                                 pair = &arglist->pairs[arglist->count];
5943                                 state = 0;
5944                         } else if (*letter == '\0') {
5945                                 letter--;
5946                                 arglist->count++;
5947                                 pair = &arglist->pairs[arglist->count];
5948                                 state = 0;
5949                         }
5950                         break;
5951
5952                 case 3: /* Parsing list */
5953                         if (*letter == ']')
5954                                 state = 2;
5955                         else if (*letter == '\0')
5956                                 return -EINVAL;
5957                         break;
5958                 }
5959                 letter++;
5960         }
5961 }
5962
5963 int
5964 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5965 {
5966         struct rte_kvargs args;
5967         struct rte_kvargs_pair *pair;
5968         unsigned int i;
5969         int result = 0;
5970
5971         memset(eth_da, 0, sizeof(*eth_da));
5972
5973         result = eth_dev_devargs_tokenise(&args, dargs);
5974         if (result < 0)
5975                 goto parse_cleanup;
5976
5977         for (i = 0; i < args.count; i++) {
5978                 pair = &args.pairs[i];
5979                 if (strcmp("representor", pair->key) == 0) {
5980                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5981                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5982                                         dargs);
5983                                 result = -1;
5984                                 goto parse_cleanup;
5985                         }
5986                         result = rte_eth_devargs_parse_representor_ports(
5987                                         pair->value, eth_da);
5988                         if (result < 0)
5989                                 goto parse_cleanup;
5990                 }
5991         }
5992
5993 parse_cleanup:
5994         if (args.str)
5995                 free(args.str);
5996
5997         return result;
5998 }
5999
6000 int
6001 rte_eth_representor_id_get(uint16_t port_id,
6002                            enum rte_eth_representor_type type,
6003                            int controller, int pf, int representor_port,
6004                            uint16_t *repr_id)
6005 {
6006         int ret, n, count;
6007         uint32_t i;
6008         struct rte_eth_representor_info *info = NULL;
6009         size_t size;
6010
6011         if (type == RTE_ETH_REPRESENTOR_NONE)
6012                 return 0;
6013         if (repr_id == NULL)
6014                 return -EINVAL;
6015
6016         /* Get PMD representor range info. */
6017         ret = rte_eth_representor_info_get(port_id, NULL);
6018         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6019             controller == -1 && pf == -1) {
6020                 /* Direct mapping for legacy VF representor. */
6021                 *repr_id = representor_port;
6022                 return 0;
6023         } else if (ret < 0) {
6024                 return ret;
6025         }
6026         n = ret;
6027         size = sizeof(*info) + n * sizeof(info->ranges[0]);
6028         info = calloc(1, size);
6029         if (info == NULL)
6030                 return -ENOMEM;
6031         info->nb_ranges_alloc = n;
6032         ret = rte_eth_representor_info_get(port_id, info);
6033         if (ret < 0)
6034                 goto out;
6035
6036         /* Default controller and pf to caller. */
6037         if (controller == -1)
6038                 controller = info->controller;
6039         if (pf == -1)
6040                 pf = info->pf;
6041
6042         /* Locate representor ID. */
6043         ret = -ENOENT;
6044         for (i = 0; i < info->nb_ranges; ++i) {
6045                 if (info->ranges[i].type != type)
6046                         continue;
6047                 if (info->ranges[i].controller != controller)
6048                         continue;
6049                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6050                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6051                                 port_id, info->ranges[i].id_base,
6052                                 info->ranges[i].id_end, i);
6053                         continue;
6054
6055                 }
6056                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6057                 switch (info->ranges[i].type) {
6058                 case RTE_ETH_REPRESENTOR_PF:
6059                         if (pf < info->ranges[i].pf ||
6060                             pf >= info->ranges[i].pf + count)
6061                                 continue;
6062                         *repr_id = info->ranges[i].id_base +
6063                                    (pf - info->ranges[i].pf);
6064                         ret = 0;
6065                         goto out;
6066                 case RTE_ETH_REPRESENTOR_VF:
6067                         if (info->ranges[i].pf != pf)
6068                                 continue;
6069                         if (representor_port < info->ranges[i].vf ||
6070                             representor_port >= info->ranges[i].vf + count)
6071                                 continue;
6072                         *repr_id = info->ranges[i].id_base +
6073                                    (representor_port - info->ranges[i].vf);
6074                         ret = 0;
6075                         goto out;
6076                 case RTE_ETH_REPRESENTOR_SF:
6077                         if (info->ranges[i].pf != pf)
6078                                 continue;
6079                         if (representor_port < info->ranges[i].sf ||
6080                             representor_port >= info->ranges[i].sf + count)
6081                                 continue;
6082                         *repr_id = info->ranges[i].id_base +
6083                               (representor_port - info->ranges[i].sf);
6084                         ret = 0;
6085                         goto out;
6086                 default:
6087                         break;
6088                 }
6089         }
6090 out:
6091         free(info);
6092         return ret;
6093 }
6094
6095 static int
6096 eth_dev_handle_port_list(const char *cmd __rte_unused,
6097                 const char *params __rte_unused,
6098                 struct rte_tel_data *d)
6099 {
6100         int port_id;
6101
6102         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6103         RTE_ETH_FOREACH_DEV(port_id)
6104                 rte_tel_data_add_array_int(d, port_id);
6105         return 0;
6106 }
6107
6108 static void
6109 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6110                 const char *stat_name)
6111 {
6112         int q;
6113         struct rte_tel_data *q_data = rte_tel_data_alloc();
6114         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6115         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6116                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6117         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6118 }
6119
6120 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6121
6122 static int
6123 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6124                 const char *params,
6125                 struct rte_tel_data *d)
6126 {
6127         struct rte_eth_stats stats;
6128         int port_id, ret;
6129
6130         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6131                 return -1;
6132
6133         port_id = atoi(params);
6134         if (!rte_eth_dev_is_valid_port(port_id))
6135                 return -1;
6136
6137         ret = rte_eth_stats_get(port_id, &stats);
6138         if (ret < 0)
6139                 return -1;
6140
6141         rte_tel_data_start_dict(d);
6142         ADD_DICT_STAT(stats, ipackets);
6143         ADD_DICT_STAT(stats, opackets);
6144         ADD_DICT_STAT(stats, ibytes);
6145         ADD_DICT_STAT(stats, obytes);
6146         ADD_DICT_STAT(stats, imissed);
6147         ADD_DICT_STAT(stats, ierrors);
6148         ADD_DICT_STAT(stats, oerrors);
6149         ADD_DICT_STAT(stats, rx_nombuf);
6150         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6151         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6152         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6153         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6154         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6155
6156         return 0;
6157 }
6158
6159 static int
6160 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6161                 const char *params,
6162                 struct rte_tel_data *d)
6163 {
6164         struct rte_eth_xstat *eth_xstats;
6165         struct rte_eth_xstat_name *xstat_names;
6166         int port_id, num_xstats;
6167         int i, ret;
6168         char *end_param;
6169
6170         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6171                 return -1;
6172
6173         port_id = strtoul(params, &end_param, 0);
6174         if (*end_param != '\0')
6175                 RTE_ETHDEV_LOG(NOTICE,
6176                         "Extra parameters passed to ethdev telemetry command, ignoring");
6177         if (!rte_eth_dev_is_valid_port(port_id))
6178                 return -1;
6179
6180         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6181         if (num_xstats < 0)
6182                 return -1;
6183
6184         /* use one malloc for both names and stats */
6185         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6186                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6187         if (eth_xstats == NULL)
6188                 return -1;
6189         xstat_names = (void *)&eth_xstats[num_xstats];
6190
6191         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6192         if (ret < 0 || ret > num_xstats) {
6193                 free(eth_xstats);
6194                 return -1;
6195         }
6196
6197         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6198         if (ret < 0 || ret > num_xstats) {
6199                 free(eth_xstats);
6200                 return -1;
6201         }
6202
6203         rte_tel_data_start_dict(d);
6204         for (i = 0; i < num_xstats; i++)
6205                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6206                                 eth_xstats[i].value);
6207         return 0;
6208 }
6209
6210 static int
6211 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6212                 const char *params,
6213                 struct rte_tel_data *d)
6214 {
6215         static const char *status_str = "status";
6216         int ret, port_id;
6217         struct rte_eth_link link;
6218         char *end_param;
6219
6220         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6221                 return -1;
6222
6223         port_id = strtoul(params, &end_param, 0);
6224         if (*end_param != '\0')
6225                 RTE_ETHDEV_LOG(NOTICE,
6226                         "Extra parameters passed to ethdev telemetry command, ignoring");
6227         if (!rte_eth_dev_is_valid_port(port_id))
6228                 return -1;
6229
6230         ret = rte_eth_link_get_nowait(port_id, &link);
6231         if (ret < 0)
6232                 return -1;
6233
6234         rte_tel_data_start_dict(d);
6235         if (!link.link_status) {
6236                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6237                 return 0;
6238         }
6239         rte_tel_data_add_dict_string(d, status_str, "UP");
6240         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6241         rte_tel_data_add_dict_string(d, "duplex",
6242                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6243                                 "full-duplex" : "half-duplex");
6244         return 0;
6245 }
6246
6247 static int
6248 eth_dev_handle_port_info(const char *cmd __rte_unused,
6249                 const char *params,
6250                 struct rte_tel_data *d)
6251 {
6252         struct rte_tel_data *rxq_state, *txq_state;
6253         char mac_addr[RTE_ETHER_ADDR_LEN];
6254         struct rte_eth_dev *eth_dev;
6255         char *end_param;
6256         int port_id, i;
6257
6258         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6259                 return -1;
6260
6261         port_id = strtoul(params, &end_param, 0);
6262         if (*end_param != '\0')
6263                 RTE_ETHDEV_LOG(NOTICE,
6264                         "Extra parameters passed to ethdev telemetry command, ignoring");
6265
6266         if (!rte_eth_dev_is_valid_port(port_id))
6267                 return -EINVAL;
6268
6269         eth_dev = &rte_eth_devices[port_id];
6270         if (!eth_dev)
6271                 return -EINVAL;
6272
6273         rxq_state = rte_tel_data_alloc();
6274         if (!rxq_state)
6275                 return -ENOMEM;
6276
6277         txq_state = rte_tel_data_alloc();
6278         if (!txq_state)
6279                 return -ENOMEM;
6280
6281         rte_tel_data_start_dict(d);
6282         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6283         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6284         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6285                         eth_dev->data->nb_rx_queues);
6286         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6287                         eth_dev->data->nb_tx_queues);
6288         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6289         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6290         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6291                         eth_dev->data->min_rx_buf_size);
6292         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6293                         eth_dev->data->rx_mbuf_alloc_failed);
6294         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6295                          eth_dev->data->mac_addrs->addr_bytes[0],
6296                          eth_dev->data->mac_addrs->addr_bytes[1],
6297                          eth_dev->data->mac_addrs->addr_bytes[2],
6298                          eth_dev->data->mac_addrs->addr_bytes[3],
6299                          eth_dev->data->mac_addrs->addr_bytes[4],
6300                          eth_dev->data->mac_addrs->addr_bytes[5]);
6301         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6302         rte_tel_data_add_dict_int(d, "promiscuous",
6303                         eth_dev->data->promiscuous);
6304         rte_tel_data_add_dict_int(d, "scattered_rx",
6305                         eth_dev->data->scattered_rx);
6306         rte_tel_data_add_dict_int(d, "all_multicast",
6307                         eth_dev->data->all_multicast);
6308         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6309         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6310         rte_tel_data_add_dict_int(d, "dev_configured",
6311                         eth_dev->data->dev_configured);
6312
6313         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6314         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6315                 rte_tel_data_add_array_int(rxq_state,
6316                                 eth_dev->data->rx_queue_state[i]);
6317
6318         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6319         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6320                 rte_tel_data_add_array_int(txq_state,
6321                                 eth_dev->data->tx_queue_state[i]);
6322
6323         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6324         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6325         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6326         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6327         rte_tel_data_add_dict_int(d, "rx_offloads",
6328                         eth_dev->data->dev_conf.rxmode.offloads);
6329         rte_tel_data_add_dict_int(d, "tx_offloads",
6330                         eth_dev->data->dev_conf.txmode.offloads);
6331         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6332                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6333
6334         return 0;
6335 }
6336
6337 int
6338 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6339                                   struct rte_hairpin_peer_info *cur_info,
6340                                   struct rte_hairpin_peer_info *peer_info,
6341                                   uint32_t direction)
6342 {
6343         struct rte_eth_dev *dev;
6344
6345         /* Current queue information is not mandatory. */
6346         if (peer_info == NULL)
6347                 return -EINVAL;
6348
6349         /* No need to check the validity again. */
6350         dev = &rte_eth_devices[peer_port];
6351         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6352                                 -ENOTSUP);
6353
6354         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6355                                         cur_info, peer_info, direction);
6356 }
6357
6358 int
6359 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6360                                 struct rte_hairpin_peer_info *peer_info,
6361                                 uint32_t direction)
6362 {
6363         struct rte_eth_dev *dev;
6364
6365         if (peer_info == NULL)
6366                 return -EINVAL;
6367
6368         /* No need to check the validity again. */
6369         dev = &rte_eth_devices[cur_port];
6370         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6371                                 -ENOTSUP);
6372
6373         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6374                                                         peer_info, direction);
6375 }
6376
6377 int
6378 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6379                                   uint32_t direction)
6380 {
6381         struct rte_eth_dev *dev;
6382
6383         /* No need to check the validity again. */
6384         dev = &rte_eth_devices[cur_port];
6385         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6386                                 -ENOTSUP);
6387
6388         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6389                                                           direction);
6390 }
6391
6392 int
6393 rte_eth_representor_info_get(uint16_t port_id,
6394                              struct rte_eth_representor_info *info)
6395 {
6396         struct rte_eth_dev *dev;
6397
6398         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6399         dev = &rte_eth_devices[port_id];
6400
6401         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6402         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6403 }
6404
6405 int
6406 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6407 {
6408         struct rte_eth_dev *dev;
6409
6410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6411         dev = &rte_eth_devices[port_id];
6412
6413         if (dev->data->dev_configured != 0) {
6414                 RTE_ETHDEV_LOG(ERR,
6415                         "The port (id=%"PRIu16") is already configured\n",
6416                         port_id);
6417                 return -EBUSY;
6418         }
6419
6420         if (features == NULL) {
6421                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6422                 return -EINVAL;
6423         }
6424
6425         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6426         return eth_err(port_id,
6427                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6428 }
6429
6430 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6431
6432 RTE_INIT(ethdev_init_telemetry)
6433 {
6434         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6435                         "Returns list of available ethdev ports. Takes no parameters");
6436         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6437                         "Returns the common stats for a port. Parameters: int port_id");
6438         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6439                         "Returns the extended stats for a port. Parameters: int port_id");
6440         rte_telemetry_register_cmd("/ethdev/link_status",
6441                         eth_dev_handle_port_link_status,
6442                         "Returns the link status for a port. Parameters: int port_id");
6443         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6444                         "Returns the device info for a port. Parameters: int port_id");
6445 }