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(SCATTER),
 125         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 126         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 127         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 128         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 129         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 130         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 131         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
 136
 137 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 138         { DEV_TX_OFFLOAD_##_name, #_name }
 139
 140 static const struct {
 141         uint64_t offload;
 142         const char *name;
 143 } eth_dev_tx_offload_names[] = {
 144         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 145         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 152         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 153         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 158         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 159         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 160         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 161         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 162         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 164         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 165         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 166 };
 167
 168 #undef RTE_TX_OFFLOAD_BIT2STR
 169
 170 /**
 171  * The user application callback description.
 172  *
 173  * It contains callback address to be registered by user application,
 174  * the pointer to the parameters for callback, and the event type.
 175  */
 176 struct rte_eth_dev_callback {
 177         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 178         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 179         void *cb_arg;                           /**< Parameter for callback */
 180         void *ret_param;                        /**< Return parameter */
 181         enum rte_eth_event_type event;          /**< Interrupt event type */
 182         uint32_t active;                        /**< Callback is executing */
 183 };
 184
 185 enum {
 186         STAT_QMAP_TX = 0,
 187         STAT_QMAP_RX
 188 };
 189
 190 int
 191 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 192 {
 193         int ret;
 194         struct rte_devargs devargs;
 195         const char *bus_param_key;
 196         char *bus_str = NULL;
 197         char *cls_str = NULL;
 198         int str_size;
 199
 200         if (iter == NULL) {
 201                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
 202                 return -EINVAL;
 203         }
 204
 205         if (devargs_str == NULL) {
 206                 RTE_ETHDEV_LOG(ERR,
 207                         "Cannot initialize iterator from NULL device description string\n");
 208                 return -EINVAL;
 209         }
 210
 211         memset(iter, 0, sizeof(*iter));
 212         memset(&devargs, 0, sizeof(devargs));
 213
 214         /*
 215          * The devargs string may use various syntaxes:
 216          *   - 0000:08:00.0,representor=[1-3]
 217          *   - pci:0000:06:00.0,representor=[0,5]
 218          *   - class=eth,mac=00:11:22:33:44:55
 219          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 220          */
 221
 222         /*
 223          * Handle pure class filter (i.e. without any bus-level argument),
 224          * from future new syntax.
 225          * rte_devargs_parse() is not yet supporting the new syntax,
 226          * that's why this simple case is temporarily parsed here.
 227          */
 228 #define iter_anybus_str "class=eth,"
 229         if (strncmp(devargs_str, iter_anybus_str,
 230                         strlen(iter_anybus_str)) == 0) {
 231                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 232                 goto end;
 233         }
 234
 235         /* Split bus, device and parameters. */
 236         ret = rte_devargs_parse(&devargs, devargs_str);
 237         if (ret != 0)
 238                 goto error;
 239
 240         /*
 241          * Assume parameters of old syntax can match only at ethdev level.
 242          * Extra parameters will be ignored, thanks to "+" prefix.
 243          */
 244         str_size = strlen(devargs.args) + 2;
 245         cls_str = malloc(str_size);
 246         if (cls_str == NULL) {
 247                 ret = -ENOMEM;
 248                 goto error;
 249         }
 250         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 251         if (ret != str_size - 1) {
 252                 ret = -EINVAL;
 253                 goto error;
 254         }
 255         iter->cls_str = cls_str;
 256
 257         iter->bus = devargs.bus;
 258         if (iter->bus->dev_iterate == NULL) {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262
 263         /* Convert bus args to new syntax for use with new API dev_iterate. */
 264         if ((strcmp(iter->bus->name, "vdev") == 0) ||
 265                 (strcmp(iter->bus->name, "fslmc") == 0) ||
 266                 (strcmp(iter->bus->name, "dpaa_bus") == 0)) {
 267                 bus_param_key = "name";
 268         } else if (strcmp(iter->bus->name, "pci") == 0) {
 269                 bus_param_key = "addr";
 270         } else {
 271                 ret = -ENOTSUP;
 272                 goto error;
 273         }
 274         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 275         bus_str = malloc(str_size);
 276         if (bus_str == NULL) {
 277                 ret = -ENOMEM;
 278                 goto error;
 279         }
 280         ret = snprintf(bus_str, str_size, "%s=%s",
 281                         bus_param_key, devargs.name);
 282         if (ret != str_size - 1) {
 283                 ret = -EINVAL;
 284                 goto error;
 285         }
 286         iter->bus_str = bus_str;
 287
 288 end:
 289         iter->cls = rte_class_find_by_name("eth");
 290         rte_devargs_reset(&devargs);
 291         return 0;
 292
 293 error:
 294         if (ret == -ENOTSUP)
 295                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 296                                 iter->bus->name);
 297         rte_devargs_reset(&devargs);
 298         free(bus_str);
 299         free(cls_str);
 300         return ret;
 301 }
 302
 303 uint16_t
 304 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 305 {
 306         if (iter == NULL) {
 307                 RTE_ETHDEV_LOG(ERR,
 308                         "Cannot get next device from NULL iterator\n");
 309                 return RTE_MAX_ETHPORTS;
 310         }
 311
 312         if (iter->cls == NULL) /* invalid ethdev iterator */
 313                 return RTE_MAX_ETHPORTS;
 314
 315         do { /* loop to try all matching rte_device */
 316                 /* If not pure ethdev filter and */
 317                 if (iter->bus != NULL &&
 318                                 /* not in middle of rte_eth_dev iteration, */
 319                                 iter->class_device == NULL) {
 320                         /* get next rte_device to try. */
 321                         iter->device = iter->bus->dev_iterate(
 322                                         iter->device, iter->bus_str, iter);
 323                         if (iter->device == NULL)
 324                                 break; /* no more rte_device candidate */
 325                 }
 326                 /* A device is matching bus part, need to check ethdev part. */
 327                 iter->class_device = iter->cls->dev_iterate(
 328                                 iter->class_device, iter->cls_str, iter);
 329                 if (iter->class_device != NULL)
 330                         return eth_dev_to_id(iter->class_device); /* match */
 331         } while (iter->bus != NULL); /* need to try next rte_device */
 332
 333         /* No more ethdev port to iterate. */
 334         rte_eth_iterator_cleanup(iter);
 335         return RTE_MAX_ETHPORTS;
 336 }
 337
 338 void
 339 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 340 {
 341         if (iter == NULL) {
 342                 RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
 343                 return;
 344         }
 345
 346         if (iter->bus_str == NULL)
 347                 return; /* nothing to free in pure class filter */
 348         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 349         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 350         memset(iter, 0, sizeof(*iter));
 351 }
 352
 353 uint16_t
 354 rte_eth_find_next(uint16_t port_id)
 355 {
 356         while (port_id < RTE_MAX_ETHPORTS &&
 357                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 358                 port_id++;
 359
 360         if (port_id >= RTE_MAX_ETHPORTS)
 361                 return RTE_MAX_ETHPORTS;
 362
 363         return port_id;
 364 }
 365
 366 /*
 367  * Macro to iterate over all valid ports for internal usage.
 368  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 369  */
 370 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 371         for (port_id = rte_eth_find_next(0); \
 372              port_id < RTE_MAX_ETHPORTS; \
 373              port_id = rte_eth_find_next(port_id + 1))
 374
 375 uint16_t
 376 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 377 {
 378         port_id = rte_eth_find_next(port_id);
 379         while (port_id < RTE_MAX_ETHPORTS &&
 380                         rte_eth_devices[port_id].device != parent)
 381                 port_id = rte_eth_find_next(port_id + 1);
 382
 383         return port_id;
 384 }
 385
 386 uint16_t
 387 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 388 {
 389         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 390         return rte_eth_find_next_of(port_id,
 391                         rte_eth_devices[ref_port_id].device);
 392 }
 393
 394 static void
 395 eth_dev_shared_data_prepare(void)
 396 {
 397         const unsigned flags = 0;
 398         const struct rte_memzone *mz;
 399
 400         rte_spinlock_lock(&eth_dev_shared_data_lock);
 401
 402         if (eth_dev_shared_data == NULL) {
 403                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 404                         /* Allocate port data and ownership shared memory. */
 405                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 406                                         sizeof(*eth_dev_shared_data),
 407                                         rte_socket_id(), flags);
 408                 } else
 409                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 410                 if (mz == NULL)
 411                         rte_panic("Cannot allocate ethdev shared data\n");
 412
 413                 eth_dev_shared_data = mz->addr;
 414                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 415                         eth_dev_shared_data->next_owner_id =
 416                                         RTE_ETH_DEV_NO_OWNER + 1;
 417                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
 418                         memset(eth_dev_shared_data->data, 0,
 419                                sizeof(eth_dev_shared_data->data));
 420                 }
 421         }
 422
 423         rte_spinlock_unlock(&eth_dev_shared_data_lock);
 424 }
 425
 426 static bool
 427 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
 428 {
 429         return ethdev->data->name[0] != '\0';
 430 }
 431
 432 static struct rte_eth_dev *
 433 eth_dev_allocated(const char *name)
 434 {
 435         uint16_t i;
 436
 437         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
 438
 439         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 440                 if (rte_eth_devices[i].data != NULL &&
 441                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 442                         return &rte_eth_devices[i];
 443         }
 444         return NULL;
 445 }
 446
 447 struct rte_eth_dev *
 448 rte_eth_dev_allocated(const char *name)
 449 {
 450         struct rte_eth_dev *ethdev;
 451
 452         eth_dev_shared_data_prepare();
 453
 454         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 455
 456         ethdev = eth_dev_allocated(name);
 457
 458         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 459
 460         return ethdev;
 461 }
 462
 463 static uint16_t
 464 eth_dev_find_free_port(void)
 465 {
 466         uint16_t i;
 467
 468         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 469                 /* Using shared name field to find a free port. */
 470                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
 471                         RTE_ASSERT(rte_eth_devices[i].state ==
 472                                    RTE_ETH_DEV_UNUSED);
 473                         return i;
 474                 }
 475         }
 476         return RTE_MAX_ETHPORTS;
 477 }
 478
 479 static struct rte_eth_dev *
 480 eth_dev_get(uint16_t port_id)
 481 {
 482         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 483
 484         eth_dev->data = &eth_dev_shared_data->data[port_id];
 485
 486         return eth_dev;
 487 }
 488
 489 struct rte_eth_dev *
 490 rte_eth_dev_allocate(const char *name)
 491 {
 492         uint16_t port_id;
 493         struct rte_eth_dev *eth_dev = NULL;
 494         size_t name_len;
 495
 496         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 497         if (name_len == 0) {
 498                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 499                 return NULL;
 500         }
 501
 502         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 503                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 504                 return NULL;
 505         }
 506
 507         eth_dev_shared_data_prepare();
 508
 509         /* Synchronize port creation between primary and secondary threads. */
 510         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 511
 512         if (eth_dev_allocated(name) != NULL) {
 513                 RTE_ETHDEV_LOG(ERR,
 514                         "Ethernet device with name %s already allocated\n",
 515                         name);
 516                 goto unlock;
 517         }
 518
 519         port_id = eth_dev_find_free_port();
 520         if (port_id == RTE_MAX_ETHPORTS) {
 521                 RTE_ETHDEV_LOG(ERR,
 522                         "Reached maximum number of Ethernet ports\n");
 523                 goto unlock;
 524         }
 525
 526         eth_dev = eth_dev_get(port_id);
 527         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 528         eth_dev->data->port_id = port_id;
 529         eth_dev->data->backer_port_id = RTE_MAX_ETHPORTS;
 530         eth_dev->data->mtu = RTE_ETHER_MTU;
 531         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 532
 533 unlock:
 534         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 535
 536         return eth_dev;
 537 }
 538
 539 /*
 540  * Attach to a port already registered by the primary process, which
 541  * makes sure that the same device would have the same port ID both
 542  * in the primary and secondary process.
 543  */
 544 struct rte_eth_dev *
 545 rte_eth_dev_attach_secondary(const char *name)
 546 {
 547         uint16_t i;
 548         struct rte_eth_dev *eth_dev = NULL;
 549
 550         eth_dev_shared_data_prepare();
 551
 552         /* Synchronize port attachment to primary port creation and release. */
 553         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 554
 555         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 556                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
 557                         break;
 558         }
 559         if (i == RTE_MAX_ETHPORTS) {
 560                 RTE_ETHDEV_LOG(ERR,
 561                         "Device %s is not driven by the primary process\n",
 562                         name);
 563         } else {
 564                 eth_dev = eth_dev_get(i);
 565                 RTE_ASSERT(eth_dev->data->port_id == i);
 566         }
 567
 568         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 569         return eth_dev;
 570 }
 571
 572 int
 573 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 574 {
 575         if (eth_dev == NULL)
 576                 return -EINVAL;
 577
 578         eth_dev_shared_data_prepare();
 579
 580         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 581                 rte_eth_dev_callback_process(eth_dev,
 582                                 RTE_ETH_EVENT_DESTROY, NULL);
 583
 584         eth_dev_fp_ops_reset(rte_eth_fp_ops + eth_dev->data->port_id);
 585
 586         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 587
 588         eth_dev->state = RTE_ETH_DEV_UNUSED;
 589         eth_dev->device = NULL;
 590         eth_dev->process_private = NULL;
 591         eth_dev->intr_handle = NULL;
 592         eth_dev->rx_pkt_burst = NULL;
 593         eth_dev->tx_pkt_burst = NULL;
 594         eth_dev->tx_pkt_prepare = NULL;
 595         eth_dev->rx_queue_count = NULL;
 596         eth_dev->rx_descriptor_status = NULL;
 597         eth_dev->tx_descriptor_status = NULL;
 598         eth_dev->dev_ops = NULL;
 599
 600         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 601                 rte_free(eth_dev->data->rx_queues);
 602                 rte_free(eth_dev->data->tx_queues);
 603                 rte_free(eth_dev->data->mac_addrs);
 604                 rte_free(eth_dev->data->hash_mac_addrs);
 605                 rte_free(eth_dev->data->dev_private);
 606                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 607                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 608         }
 609
 610         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 611
 612         return 0;
 613 }
 614
 615 int
 616 rte_eth_dev_is_valid_port(uint16_t port_id)
 617 {
 618         if (port_id >= RTE_MAX_ETHPORTS ||
 619             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 620                 return 0;
 621         else
 622                 return 1;
 623 }
 624
 625 static int
 626 eth_is_valid_owner_id(uint64_t owner_id)
 627 {
 628         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 629             eth_dev_shared_data->next_owner_id <= owner_id)
 630                 return 0;
 631         return 1;
 632 }
 633
 634 uint64_t
 635 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 636 {
 637         port_id = rte_eth_find_next(port_id);
 638         while (port_id < RTE_MAX_ETHPORTS &&
 639                         rte_eth_devices[port_id].data->owner.id != owner_id)
 640                 port_id = rte_eth_find_next(port_id + 1);
 641
 642         return port_id;
 643 }
 644
 645 int
 646 rte_eth_dev_owner_new(uint64_t *owner_id)
 647 {
 648         if (owner_id == NULL) {
 649                 RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
 650                 return -EINVAL;
 651         }
 652
 653         eth_dev_shared_data_prepare();
 654
 655         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 656
 657         *owner_id = eth_dev_shared_data->next_owner_id++;
 658
 659         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 660         return 0;
 661 }
 662
 663 static int
 664 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 665                        const struct rte_eth_dev_owner *new_owner)
 666 {
 667         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 668         struct rte_eth_dev_owner *port_owner;
 669
 670         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 671                 RTE_ETHDEV_LOG(ERR, "Port ID %"PRIu16" is not allocated\n",
 672                         port_id);
 673                 return -ENODEV;
 674         }
 675
 676         if (new_owner == NULL) {
 677                 RTE_ETHDEV_LOG(ERR,
 678                         "Cannot set ethdev port %u owner from NULL owner\n",
 679                         port_id);
 680                 return -EINVAL;
 681         }
 682
 683         if (!eth_is_valid_owner_id(new_owner->id) &&
 684             !eth_is_valid_owner_id(old_owner_id)) {
 685                 RTE_ETHDEV_LOG(ERR,
 686                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 687                        old_owner_id, new_owner->id);
 688                 return -EINVAL;
 689         }
 690
 691         port_owner = &rte_eth_devices[port_id].data->owner;
 692         if (port_owner->id != old_owner_id) {
 693                 RTE_ETHDEV_LOG(ERR,
 694                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 695                         port_id, port_owner->name, port_owner->id);
 696                 return -EPERM;
 697         }
 698
 699         /* can not truncate (same structure) */
 700         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 701
 702         port_owner->id = new_owner->id;
 703
 704         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 705                 port_id, new_owner->name, new_owner->id);
 706
 707         return 0;
 708 }
 709
 710 int
 711 rte_eth_dev_owner_set(const uint16_t port_id,
 712                       const struct rte_eth_dev_owner *owner)
 713 {
 714         int ret;
 715
 716         eth_dev_shared_data_prepare();
 717
 718         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 719
 720         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 721
 722         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 723         return ret;
 724 }
 725
 726 int
 727 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 728 {
 729         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 730                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 731         int ret;
 732
 733         eth_dev_shared_data_prepare();
 734
 735         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 736
 737         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
 738
 739         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 740         return ret;
 741 }
 742
 743 int
 744 rte_eth_dev_owner_delete(const uint64_t owner_id)
 745 {
 746         uint16_t port_id;
 747         int ret = 0;
 748
 749         eth_dev_shared_data_prepare();
 750
 751         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 752
 753         if (eth_is_valid_owner_id(owner_id)) {
 754                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 755                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 756                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 757                                        sizeof(struct rte_eth_dev_owner));
 758                 RTE_ETHDEV_LOG(NOTICE,
 759                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 760                         owner_id);
 761         } else {
 762                 RTE_ETHDEV_LOG(ERR,
 763                                "Invalid owner ID=%016"PRIx64"\n",
 764                                owner_id);
 765                 ret = -EINVAL;
 766         }
 767
 768         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 769
 770         return ret;
 771 }
 772
 773 int
 774 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 775 {
 776         struct rte_eth_dev *ethdev;
 777
 778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 779         ethdev = &rte_eth_devices[port_id];
 780
 781         if (!eth_dev_is_allocated(ethdev)) {
 782                 RTE_ETHDEV_LOG(ERR, "Port ID %"PRIu16" is not allocated\n",
 783                         port_id);
 784                 return -ENODEV;
 785         }
 786
 787         if (owner == NULL) {
 788                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
 789                         port_id);
 790                 return -EINVAL;
 791         }
 792
 793         eth_dev_shared_data_prepare();
 794
 795         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 796         rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 797         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 798
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_socket_id(uint16_t port_id)
 804 {
 805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 806         return rte_eth_devices[port_id].data->numa_node;
 807 }
 808
 809 void *
 810 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 811 {
 812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 813         return rte_eth_devices[port_id].security_ctx;
 814 }
 815
 816 uint16_t
 817 rte_eth_dev_count_avail(void)
 818 {
 819         uint16_t p;
 820         uint16_t count;
 821
 822         count = 0;
 823
 824         RTE_ETH_FOREACH_DEV(p)
 825                 count++;
 826
 827         return count;
 828 }
 829
 830 uint16_t
 831 rte_eth_dev_count_total(void)
 832 {
 833         uint16_t port, count = 0;
 834
 835         RTE_ETH_FOREACH_VALID_DEV(port)
 836                 count++;
 837
 838         return count;
 839 }
 840
 841 int
 842 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 843 {
 844         char *tmp;
 845
 846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 847
 848         if (name == NULL) {
 849                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
 850                         port_id);
 851                 return -EINVAL;
 852         }
 853
 854         /* shouldn't check 'rte_eth_devices[i].data',
 855          * because it might be overwritten by VDEV PMD */
 856         tmp = eth_dev_shared_data->data[port_id].name;
 857         strcpy(name, tmp);
 858         return 0;
 859 }
 860
 861 int
 862 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 863 {
 864         uint16_t pid;
 865
 866         if (name == NULL) {
 867                 RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
 868                 return -EINVAL;
 869         }
 870
 871         if (port_id == NULL) {
 872                 RTE_ETHDEV_LOG(ERR,
 873                         "Cannot get port ID to NULL for %s\n", name);
 874                 return -EINVAL;
 875         }
 876
 877         RTE_ETH_FOREACH_VALID_DEV(pid)
 878                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
 879                         *port_id = pid;
 880                         return 0;
 881                 }
 882
 883         return -ENODEV;
 884 }
 885
 886 static int
 887 eth_err(uint16_t port_id, int ret)
 888 {
 889         if (ret == 0)
 890                 return 0;
 891         if (rte_eth_dev_is_removed(port_id))
 892                 return -EIO;
 893         return ret;
 894 }
 895
 896 static void
 897 eth_dev_rxq_release(struct rte_eth_dev *dev, uint16_t qid)
 898 {
 899         void **rxq = dev->data->rx_queues;
 900
 901         if (rxq[qid] == NULL)
 902                 return;
 903
 904         if (dev->dev_ops->rx_queue_release != NULL)
 905                 (*dev->dev_ops->rx_queue_release)(dev, qid);
 906         rxq[qid] = NULL;
 907 }
 908
 909 static void
 910 eth_dev_txq_release(struct rte_eth_dev *dev, uint16_t qid)
 911 {
 912         void **txq = dev->data->tx_queues;
 913
 914         if (txq[qid] == NULL)
 915                 return;
 916
 917         if (dev->dev_ops->tx_queue_release != NULL)
 918                 (*dev->dev_ops->tx_queue_release)(dev, qid);
 919         txq[qid] = NULL;
 920 }
 921
 922 static int
 923 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 924 {
 925         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 926         unsigned i;
 927
 928         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 929                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 930                                 sizeof(dev->data->rx_queues[0]) *
 931                                 RTE_MAX_QUEUES_PER_PORT,
 932                                 RTE_CACHE_LINE_SIZE);
 933                 if (dev->data->rx_queues == NULL) {
 934                         dev->data->nb_rx_queues = 0;
 935                         return -(ENOMEM);
 936                 }
 937         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 938                 for (i = nb_queues; i < old_nb_queues; i++)
 939                         eth_dev_rxq_release(dev, i);
 940
 941         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 942                 for (i = nb_queues; i < old_nb_queues; i++)
 943                         eth_dev_rxq_release(dev, i);
 944
 945                 rte_free(dev->data->rx_queues);
 946                 dev->data->rx_queues = NULL;
 947         }
 948         dev->data->nb_rx_queues = nb_queues;
 949         return 0;
 950 }
 951
 952 static int
 953 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 954 {
 955         uint16_t port_id;
 956
 957         if (rx_queue_id >= dev->data->nb_rx_queues) {
 958                 port_id = dev->data->port_id;
 959                 RTE_ETHDEV_LOG(ERR,
 960                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 961                                rx_queue_id, port_id);
 962                 return -EINVAL;
 963         }
 964
 965         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 966                 port_id = dev->data->port_id;
 967                 RTE_ETHDEV_LOG(ERR,
 968                                "Queue %u of device with port_id=%u has not been setup\n",
 969                                rx_queue_id, port_id);
 970                 return -EINVAL;
 971         }
 972
 973         return 0;
 974 }
 975
 976 static int
 977 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 978 {
 979         uint16_t port_id;
 980
 981         if (tx_queue_id >= dev->data->nb_tx_queues) {
 982                 port_id = dev->data->port_id;
 983                 RTE_ETHDEV_LOG(ERR,
 984                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 985                                tx_queue_id, port_id);
 986                 return -EINVAL;
 987         }
 988
 989         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 990                 port_id = dev->data->port_id;
 991                 RTE_ETHDEV_LOG(ERR,
 992                                "Queue %u of device with port_id=%u has not been setup\n",
 993                                tx_queue_id, port_id);
 994                 return -EINVAL;
 995         }
 996
 997         return 0;
 998 }
 999
1000 int
1001 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
1002 {
1003         struct rte_eth_dev *dev;
1004         int ret;
1005
1006         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1007         dev = &rte_eth_devices[port_id];
1008
1009         if (!dev->data->dev_started) {
1010                 RTE_ETHDEV_LOG(ERR,
1011                         "Port %u must be started before start any queue\n",
1012                         port_id);
1013                 return -EINVAL;
1014         }
1015
1016         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1017         if (ret != 0)
1018                 return ret;
1019
1020         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1021
1022         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1023                 RTE_ETHDEV_LOG(INFO,
1024                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1025                         rx_queue_id, port_id);
1026                 return -EINVAL;
1027         }
1028
1029         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1030                 RTE_ETHDEV_LOG(INFO,
1031                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1032                         rx_queue_id, port_id);
1033                 return 0;
1034         }
1035
1036         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1037 }
1038
1039 int
1040 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1041 {
1042         struct rte_eth_dev *dev;
1043         int ret;
1044
1045         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1046         dev = &rte_eth_devices[port_id];
1047
1048         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1049         if (ret != 0)
1050                 return ret;
1051
1052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1053
1054         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1055                 RTE_ETHDEV_LOG(INFO,
1056                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1057                         rx_queue_id, port_id);
1058                 return -EINVAL;
1059         }
1060
1061         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1062                 RTE_ETHDEV_LOG(INFO,
1063                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1064                         rx_queue_id, port_id);
1065                 return 0;
1066         }
1067
1068         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1069 }
1070
1071 int
1072 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1073 {
1074         struct rte_eth_dev *dev;
1075         int ret;
1076
1077         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1078         dev = &rte_eth_devices[port_id];
1079
1080         if (!dev->data->dev_started) {
1081                 RTE_ETHDEV_LOG(ERR,
1082                         "Port %u must be started before start any queue\n",
1083                         port_id);
1084                 return -EINVAL;
1085         }
1086
1087         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1088         if (ret != 0)
1089                 return ret;
1090
1091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1092
1093         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1094                 RTE_ETHDEV_LOG(INFO,
1095                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1096                         tx_queue_id, port_id);
1097                 return -EINVAL;
1098         }
1099
1100         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1101                 RTE_ETHDEV_LOG(INFO,
1102                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1103                         tx_queue_id, port_id);
1104                 return 0;
1105         }
1106
1107         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1108 }
1109
1110 int
1111 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1112 {
1113         struct rte_eth_dev *dev;
1114         int ret;
1115
1116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1117         dev = &rte_eth_devices[port_id];
1118
1119         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1120         if (ret != 0)
1121                 return ret;
1122
1123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1124
1125         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1126                 RTE_ETHDEV_LOG(INFO,
1127                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1128                         tx_queue_id, port_id);
1129                 return -EINVAL;
1130         }
1131
1132         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1133                 RTE_ETHDEV_LOG(INFO,
1134                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1135                         tx_queue_id, port_id);
1136                 return 0;
1137         }
1138
1139         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1140 }
1141
1142 static int
1143 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1144 {
1145         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1146         unsigned i;
1147
1148         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1149                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1150                                 sizeof(dev->data->tx_queues[0]) *
1151                                 RTE_MAX_QUEUES_PER_PORT,
1152                                 RTE_CACHE_LINE_SIZE);
1153                 if (dev->data->tx_queues == NULL) {
1154                         dev->data->nb_tx_queues = 0;
1155                         return -(ENOMEM);
1156                 }
1157         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1158                 for (i = nb_queues; i < old_nb_queues; i++)
1159                         eth_dev_txq_release(dev, i);
1160
1161         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1162                 for (i = nb_queues; i < old_nb_queues; i++)
1163                         eth_dev_txq_release(dev, i);
1164
1165                 rte_free(dev->data->tx_queues);
1166                 dev->data->tx_queues = NULL;
1167         }
1168         dev->data->nb_tx_queues = nb_queues;
1169         return 0;
1170 }
1171
1172 uint32_t
1173 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1174 {
1175         switch (speed) {
1176         case ETH_SPEED_NUM_10M:
1177                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1178         case ETH_SPEED_NUM_100M:
1179                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1180         case ETH_SPEED_NUM_1G:
1181                 return ETH_LINK_SPEED_1G;
1182         case ETH_SPEED_NUM_2_5G:
1183                 return ETH_LINK_SPEED_2_5G;
1184         case ETH_SPEED_NUM_5G:
1185                 return ETH_LINK_SPEED_5G;
1186         case ETH_SPEED_NUM_10G:
1187                 return ETH_LINK_SPEED_10G;
1188         case ETH_SPEED_NUM_20G:
1189                 return ETH_LINK_SPEED_20G;
1190         case ETH_SPEED_NUM_25G:
1191                 return ETH_LINK_SPEED_25G;
1192         case ETH_SPEED_NUM_40G:
1193                 return ETH_LINK_SPEED_40G;
1194         case ETH_SPEED_NUM_50G:
1195                 return ETH_LINK_SPEED_50G;
1196         case ETH_SPEED_NUM_56G:
1197                 return ETH_LINK_SPEED_56G;
1198         case ETH_SPEED_NUM_100G:
1199                 return ETH_LINK_SPEED_100G;
1200         case ETH_SPEED_NUM_200G:
1201                 return ETH_LINK_SPEED_200G;
1202         default:
1203                 return 0;
1204         }
1205 }
1206
1207 const char *
1208 rte_eth_dev_rx_offload_name(uint64_t offload)
1209 {
1210         const char *name = "UNKNOWN";
1211         unsigned int i;
1212
1213         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1214                 if (offload == eth_dev_rx_offload_names[i].offload) {
1215                         name = eth_dev_rx_offload_names[i].name;
1216                         break;
1217                 }
1218         }
1219
1220         return name;
1221 }
1222
1223 const char *
1224 rte_eth_dev_tx_offload_name(uint64_t offload)
1225 {
1226         const char *name = "UNKNOWN";
1227         unsigned int i;
1228
1229         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1230                 if (offload == eth_dev_tx_offload_names[i].offload) {
1231                         name = eth_dev_tx_offload_names[i].name;
1232                         break;
1233                 }
1234         }
1235
1236         return name;
1237 }
1238
1239 static inline int
1240 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1241                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1242 {
1243         int ret = 0;
1244
1245         if (dev_info_size == 0) {
1246                 if (config_size != max_rx_pkt_len) {
1247                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1248                                        " %u != %u is not allowed\n",
1249                                        port_id, config_size, max_rx_pkt_len);
1250                         ret = -EINVAL;
1251                 }
1252         } else if (config_size > dev_info_size) {
1253                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1254                                "> max allowed value %u\n", port_id, config_size,
1255                                dev_info_size);
1256                 ret = -EINVAL;
1257         } else if (config_size < RTE_ETHER_MIN_LEN) {
1258                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1259                                "< min allowed value %u\n", port_id, config_size,
1260                                (unsigned int)RTE_ETHER_MIN_LEN);
1261                 ret = -EINVAL;
1262         }
1263         return ret;
1264 }
1265
1266 /*
1267  * Validate offloads that are requested through rte_eth_dev_configure against
1268  * the offloads successfully set by the Ethernet device.
1269  *
1270  * @param port_id
1271  *   The port identifier of the Ethernet device.
1272  * @param req_offloads
1273  *   The offloads that have been requested through `rte_eth_dev_configure`.
1274  * @param set_offloads
1275  *   The offloads successfully set by the Ethernet device.
1276  * @param offload_type
1277  *   The offload type i.e. Rx/Tx string.
1278  * @param offload_name
1279  *   The function that prints the offload name.
1280  * @return
1281  *   - (0) if validation successful.
1282  *   - (-EINVAL) if requested offload has been silently disabled.
1283  *
1284  */
1285 static int
1286 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1287                   uint64_t set_offloads, const char *offload_type,
1288                   const char *(*offload_name)(uint64_t))
1289 {
1290         uint64_t offloads_diff = req_offloads ^ set_offloads;
1291         uint64_t offload;
1292         int ret = 0;
1293
1294         while (offloads_diff != 0) {
1295                 /* Check if any offload is requested but not enabled. */
1296                 offload = RTE_BIT64(__builtin_ctzll(offloads_diff));
1297                 if (offload & req_offloads) {
1298                         RTE_ETHDEV_LOG(ERR,
1299                                 "Port %u failed to enable %s offload %s\n",
1300                                 port_id, offload_type, offload_name(offload));
1301                         ret = -EINVAL;
1302                 }
1303
1304                 /* Check if offload couldn't be disabled. */
1305                 if (offload & set_offloads) {
1306                         RTE_ETHDEV_LOG(DEBUG,
1307                                 "Port %u %s offload %s is not requested but enabled\n",
1308                                 port_id, offload_type, offload_name(offload));
1309                 }
1310
1311                 offloads_diff &= ~offload;
1312         }
1313
1314         return ret;
1315 }
1316
1317 static uint32_t
1318 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1319 {
1320         uint32_t overhead_len;
1321
1322         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1323                 overhead_len = max_rx_pktlen - max_mtu;
1324         else
1325                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1326
1327         return overhead_len;
1328 }
1329
1330 /* rte_eth_dev_info_get() should be called prior to this function */
1331 static int
1332 eth_dev_validate_mtu(uint16_t port_id, struct rte_eth_dev_info *dev_info,
1333                 uint16_t mtu)
1334 {
1335         uint32_t overhead_len;
1336         uint32_t frame_size;
1337
1338         if (mtu < dev_info->min_mtu) {
1339                 RTE_ETHDEV_LOG(ERR,
1340                         "MTU (%u) < device min MTU (%u) for port_id %u\n",
1341                         mtu, dev_info->min_mtu, port_id);
1342                 return -EINVAL;
1343         }
1344         if (mtu > dev_info->max_mtu) {
1345                 RTE_ETHDEV_LOG(ERR,
1346                         "MTU (%u) > device max MTU (%u) for port_id %u\n",
1347                         mtu, dev_info->max_mtu, port_id);
1348                 return -EINVAL;
1349         }
1350
1351         overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
1352                         dev_info->max_mtu);
1353         frame_size = mtu + overhead_len;
1354         if (frame_size < RTE_ETHER_MIN_LEN) {
1355                 RTE_ETHDEV_LOG(ERR,
1356                         "Frame size (%u) < min frame size (%u) for port_id %u\n",
1357                         frame_size, RTE_ETHER_MIN_LEN, port_id);
1358                 return -EINVAL;
1359         }
1360
1361         if (frame_size > dev_info->max_rx_pktlen) {
1362                 RTE_ETHDEV_LOG(ERR,
1363                         "Frame size (%u) > device max frame size (%u) for port_id %u\n",
1364                         frame_size, dev_info->max_rx_pktlen, port_id);
1365                 return -EINVAL;
1366         }
1367
1368         return 0;
1369 }
1370
1371 int
1372 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1373                       const struct rte_eth_conf *dev_conf)
1374 {
1375         struct rte_eth_dev *dev;
1376         struct rte_eth_dev_info dev_info;
1377         struct rte_eth_conf orig_conf;
1378         int diag;
1379         int ret;
1380         uint16_t old_mtu;
1381
1382         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1383         dev = &rte_eth_devices[port_id];
1384
1385         if (dev_conf == NULL) {
1386                 RTE_ETHDEV_LOG(ERR,
1387                         "Cannot configure ethdev port %u from NULL config\n",
1388                         port_id);
1389                 return -EINVAL;
1390         }
1391
1392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1393
1394         if (dev->data->dev_started) {
1395                 RTE_ETHDEV_LOG(ERR,
1396                         "Port %u must be stopped to allow configuration\n",
1397                         port_id);
1398                 return -EBUSY;
1399         }
1400
1401         /*
1402          * Ensure that "dev_configured" is always 0 each time prepare to do
1403          * dev_configure() to avoid any non-anticipated behaviour.
1404          * And set to 1 when dev_configure() is executed successfully.
1405          */
1406         dev->data->dev_configured = 0;
1407
1408          /* Store original config, as rollback required on failure */
1409         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1410
1411         /*
1412          * Copy the dev_conf parameter into the dev structure.
1413          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1414          */
1415         if (dev_conf != &dev->data->dev_conf)
1416                 memcpy(&dev->data->dev_conf, dev_conf,
1417                        sizeof(dev->data->dev_conf));
1418
1419         /* Backup mtu for rollback */
1420         old_mtu = dev->data->mtu;
1421
1422         ret = rte_eth_dev_info_get(port_id, &dev_info);
1423         if (ret != 0)
1424                 goto rollback;
1425
1426         /* If number of queues specified by application for both Rx and Tx is
1427          * zero, use driver preferred values. This cannot be done individually
1428          * as it is valid for either Tx or Rx (but not both) to be zero.
1429          * If driver does not provide any preferred valued, fall back on
1430          * EAL defaults.
1431          */
1432         if (nb_rx_q == 0 && nb_tx_q == 0) {
1433                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1434                 if (nb_rx_q == 0)
1435                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1436                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1437                 if (nb_tx_q == 0)
1438                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1439         }
1440
1441         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1442                 RTE_ETHDEV_LOG(ERR,
1443                         "Number of Rx queues requested (%u) is greater than max supported(%d)\n",
1444                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1445                 ret = -EINVAL;
1446                 goto rollback;
1447         }
1448
1449         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1450                 RTE_ETHDEV_LOG(ERR,
1451                         "Number of Tx queues requested (%u) is greater than max supported(%d)\n",
1452                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1453                 ret = -EINVAL;
1454                 goto rollback;
1455         }
1456
1457         /*
1458          * Check that the numbers of Rx and Tx queues are not greater
1459          * than the maximum number of Rx and Tx queues supported by the
1460          * configured device.
1461          */
1462         if (nb_rx_q > dev_info.max_rx_queues) {
1463                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1464                         port_id, nb_rx_q, dev_info.max_rx_queues);
1465                 ret = -EINVAL;
1466                 goto rollback;
1467         }
1468
1469         if (nb_tx_q > dev_info.max_tx_queues) {
1470                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1471                         port_id, nb_tx_q, dev_info.max_tx_queues);
1472                 ret = -EINVAL;
1473                 goto rollback;
1474         }
1475
1476         /* Check that the device supports requested interrupts */
1477         if ((dev_conf->intr_conf.lsc == 1) &&
1478                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1479                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1480                         dev->device->driver->name);
1481                 ret = -EINVAL;
1482                 goto rollback;
1483         }
1484         if ((dev_conf->intr_conf.rmv == 1) &&
1485                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1486                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1487                         dev->device->driver->name);
1488                 ret = -EINVAL;
1489                 goto rollback;
1490         }
1491
1492         if (dev_conf->rxmode.mtu == 0)
1493                 dev->data->dev_conf.rxmode.mtu = RTE_ETHER_MTU;
1494
1495         ret = eth_dev_validate_mtu(port_id, &dev_info,
1496                         dev->data->dev_conf.rxmode.mtu);
1497         if (ret != 0)
1498                 goto rollback;
1499
1500         dev->data->mtu = dev->data->dev_conf.rxmode.mtu;
1501
1502         /*
1503          * If LRO is enabled, check that the maximum aggregated packet
1504          * size is supported by the configured device.
1505          */
1506         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1507                 uint32_t max_rx_pktlen;
1508                 uint32_t overhead_len;
1509
1510                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
1511                                 dev_info.max_mtu);
1512                 max_rx_pktlen = dev->data->dev_conf.rxmode.mtu + overhead_len;
1513                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1514                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
1515                 ret = eth_dev_check_lro_pkt_size(port_id,
1516                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1517                                 max_rx_pktlen,
1518                                 dev_info.max_lro_pkt_size);
1519                 if (ret != 0)
1520                         goto rollback;
1521         }
1522
1523         /* Any requested offloading must be within its device capabilities */
1524         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1525              dev_conf->rxmode.offloads) {
1526                 RTE_ETHDEV_LOG(ERR,
1527                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1528                         "capabilities 0x%"PRIx64" in %s()\n",
1529                         port_id, dev_conf->rxmode.offloads,
1530                         dev_info.rx_offload_capa,
1531                         __func__);
1532                 ret = -EINVAL;
1533                 goto rollback;
1534         }
1535         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1536              dev_conf->txmode.offloads) {
1537                 RTE_ETHDEV_LOG(ERR,
1538                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1539                         "capabilities 0x%"PRIx64" in %s()\n",
1540                         port_id, dev_conf->txmode.offloads,
1541                         dev_info.tx_offload_capa,
1542                         __func__);
1543                 ret = -EINVAL;
1544                 goto rollback;
1545         }
1546
1547         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1548                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1549
1550         /* Check that device supports requested rss hash functions. */
1551         if ((dev_info.flow_type_rss_offloads |
1552              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1553             dev_info.flow_type_rss_offloads) {
1554                 RTE_ETHDEV_LOG(ERR,
1555                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1556                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1557                         dev_info.flow_type_rss_offloads);
1558                 ret = -EINVAL;
1559                 goto rollback;
1560         }
1561
1562         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1563         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1564             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1565                 RTE_ETHDEV_LOG(ERR,
1566                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1567                         port_id,
1568                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1569                 ret = -EINVAL;
1570                 goto rollback;
1571         }
1572
1573         /*
1574          * Setup new number of Rx/Tx queues and reconfigure device.
1575          */
1576         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1577         if (diag != 0) {
1578                 RTE_ETHDEV_LOG(ERR,
1579                         "Port%u eth_dev_rx_queue_config = %d\n",
1580                         port_id, diag);
1581                 ret = diag;
1582                 goto rollback;
1583         }
1584
1585         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1586         if (diag != 0) {
1587                 RTE_ETHDEV_LOG(ERR,
1588                         "Port%u eth_dev_tx_queue_config = %d\n",
1589                         port_id, diag);
1590                 eth_dev_rx_queue_config(dev, 0);
1591                 ret = diag;
1592                 goto rollback;
1593         }
1594
1595         diag = (*dev->dev_ops->dev_configure)(dev);
1596         if (diag != 0) {
1597                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1598                         port_id, diag);
1599                 ret = eth_err(port_id, diag);
1600                 goto reset_queues;
1601         }
1602
1603         /* Initialize Rx profiling if enabled at compilation time. */
1604         diag = __rte_eth_dev_profile_init(port_id, dev);
1605         if (diag != 0) {
1606                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1607                         port_id, diag);
1608                 ret = eth_err(port_id, diag);
1609                 goto reset_queues;
1610         }
1611
1612         /* Validate Rx offloads. */
1613         diag = eth_dev_validate_offloads(port_id,
1614                         dev_conf->rxmode.offloads,
1615                         dev->data->dev_conf.rxmode.offloads, "Rx",
1616                         rte_eth_dev_rx_offload_name);
1617         if (diag != 0) {
1618                 ret = diag;
1619                 goto reset_queues;
1620         }
1621
1622         /* Validate Tx offloads. */
1623         diag = eth_dev_validate_offloads(port_id,
1624                         dev_conf->txmode.offloads,
1625                         dev->data->dev_conf.txmode.offloads, "Tx",
1626                         rte_eth_dev_tx_offload_name);
1627         if (diag != 0) {
1628                 ret = diag;
1629                 goto reset_queues;
1630         }
1631
1632         dev->data->dev_configured = 1;
1633         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1634         return 0;
1635 reset_queues:
1636         eth_dev_rx_queue_config(dev, 0);
1637         eth_dev_tx_queue_config(dev, 0);
1638 rollback:
1639         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1640         if (old_mtu != dev->data->mtu)
1641                 dev->data->mtu = old_mtu;
1642
1643         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1644         return ret;
1645 }
1646
1647 void
1648 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1649 {
1650         if (dev->data->dev_started) {
1651                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1652                         dev->data->port_id);
1653                 return;
1654         }
1655
1656         eth_dev_rx_queue_config(dev, 0);
1657         eth_dev_tx_queue_config(dev, 0);
1658
1659         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1660 }
1661
1662 static void
1663 eth_dev_mac_restore(struct rte_eth_dev *dev,
1664                         struct rte_eth_dev_info *dev_info)
1665 {
1666         struct rte_ether_addr *addr;
1667         uint16_t i;
1668         uint32_t pool = 0;
1669         uint64_t pool_mask;
1670
1671         /* replay MAC address configuration including default MAC */
1672         addr = &dev->data->mac_addrs[0];
1673         if (*dev->dev_ops->mac_addr_set != NULL)
1674                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1675         else if (*dev->dev_ops->mac_addr_add != NULL)
1676                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1677
1678         if (*dev->dev_ops->mac_addr_add != NULL) {
1679                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1680                         addr = &dev->data->mac_addrs[i];
1681
1682                         /* skip zero address */
1683                         if (rte_is_zero_ether_addr(addr))
1684                                 continue;
1685
1686                         pool = 0;
1687                         pool_mask = dev->data->mac_pool_sel[i];
1688
1689                         do {
1690                                 if (pool_mask & UINT64_C(1))
1691                                         (*dev->dev_ops->mac_addr_add)(dev,
1692                                                 addr, i, pool);
1693                                 pool_mask >>= 1;
1694                                 pool++;
1695                         } while (pool_mask);
1696                 }
1697         }
1698 }
1699
1700 static int
1701 eth_dev_config_restore(struct rte_eth_dev *dev,
1702                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1703 {
1704         int ret;
1705
1706         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1707                 eth_dev_mac_restore(dev, dev_info);
1708
1709         /* replay promiscuous configuration */
1710         /*
1711          * use callbacks directly since we don't need port_id check and
1712          * would like to bypass the same value set
1713          */
1714         if (rte_eth_promiscuous_get(port_id) == 1 &&
1715             *dev->dev_ops->promiscuous_enable != NULL) {
1716                 ret = eth_err(port_id,
1717                               (*dev->dev_ops->promiscuous_enable)(dev));
1718                 if (ret != 0 && ret != -ENOTSUP) {
1719                         RTE_ETHDEV_LOG(ERR,
1720                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1721                                 port_id, rte_strerror(-ret));
1722                         return ret;
1723                 }
1724         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1725                    *dev->dev_ops->promiscuous_disable != NULL) {
1726                 ret = eth_err(port_id,
1727                               (*dev->dev_ops->promiscuous_disable)(dev));
1728                 if (ret != 0 && ret != -ENOTSUP) {
1729                         RTE_ETHDEV_LOG(ERR,
1730                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1731                                 port_id, rte_strerror(-ret));
1732                         return ret;
1733                 }
1734         }
1735
1736         /* replay all multicast configuration */
1737         /*
1738          * use callbacks directly since we don't need port_id check and
1739          * would like to bypass the same value set
1740          */
1741         if (rte_eth_allmulticast_get(port_id) == 1 &&
1742             *dev->dev_ops->allmulticast_enable != NULL) {
1743                 ret = eth_err(port_id,
1744                               (*dev->dev_ops->allmulticast_enable)(dev));
1745                 if (ret != 0 && ret != -ENOTSUP) {
1746                         RTE_ETHDEV_LOG(ERR,
1747                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1748                                 port_id, rte_strerror(-ret));
1749                         return ret;
1750                 }
1751         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1752                    *dev->dev_ops->allmulticast_disable != NULL) {
1753                 ret = eth_err(port_id,
1754                               (*dev->dev_ops->allmulticast_disable)(dev));
1755                 if (ret != 0 && ret != -ENOTSUP) {
1756                         RTE_ETHDEV_LOG(ERR,
1757                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1758                                 port_id, rte_strerror(-ret));
1759                         return ret;
1760                 }
1761         }
1762
1763         return 0;
1764 }
1765
1766 int
1767 rte_eth_dev_start(uint16_t port_id)
1768 {
1769         struct rte_eth_dev *dev;
1770         struct rte_eth_dev_info dev_info;
1771         int diag;
1772         int ret, ret_stop;
1773
1774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1775         dev = &rte_eth_devices[port_id];
1776
1777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1778
1779         if (dev->data->dev_configured == 0) {
1780                 RTE_ETHDEV_LOG(INFO,
1781                         "Device with port_id=%"PRIu16" is not configured.\n",
1782                         port_id);
1783                 return -EINVAL;
1784         }
1785
1786         if (dev->data->dev_started != 0) {
1787                 RTE_ETHDEV_LOG(INFO,
1788                         "Device with port_id=%"PRIu16" already started\n",
1789                         port_id);
1790                 return 0;
1791         }
1792
1793         ret = rte_eth_dev_info_get(port_id, &dev_info);
1794         if (ret != 0)
1795                 return ret;
1796
1797         /* Lets restore MAC now if device does not support live change */
1798         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1799                 eth_dev_mac_restore(dev, &dev_info);
1800
1801         diag = (*dev->dev_ops->dev_start)(dev);
1802         if (diag == 0)
1803                 dev->data->dev_started = 1;
1804         else
1805                 return eth_err(port_id, diag);
1806
1807         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1808         if (ret != 0) {
1809                 RTE_ETHDEV_LOG(ERR,
1810                         "Error during restoring configuration for device (port %u): %s\n",
1811                         port_id, rte_strerror(-ret));
1812                 ret_stop = rte_eth_dev_stop(port_id);
1813                 if (ret_stop != 0) {
1814                         RTE_ETHDEV_LOG(ERR,
1815                                 "Failed to stop device (port %u): %s\n",
1816                                 port_id, rte_strerror(-ret_stop));
1817                 }
1818
1819                 return ret;
1820         }
1821
1822         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1823                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1824                 (*dev->dev_ops->link_update)(dev, 0);
1825         }
1826
1827         /* expose selection of PMD fast-path functions */
1828         eth_dev_fp_ops_setup(rte_eth_fp_ops + port_id, dev);
1829
1830         rte_ethdev_trace_start(port_id);
1831         return 0;
1832 }
1833
1834 int
1835 rte_eth_dev_stop(uint16_t port_id)
1836 {
1837         struct rte_eth_dev *dev;
1838         int ret;
1839
1840         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1841         dev = &rte_eth_devices[port_id];
1842
1843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1844
1845         if (dev->data->dev_started == 0) {
1846                 RTE_ETHDEV_LOG(INFO,
1847                         "Device with port_id=%"PRIu16" already stopped\n",
1848                         port_id);
1849                 return 0;
1850         }
1851
1852         /* point fast-path functions to dummy ones */
1853         eth_dev_fp_ops_reset(rte_eth_fp_ops + port_id);
1854
1855         dev->data->dev_started = 0;
1856         ret = (*dev->dev_ops->dev_stop)(dev);
1857         rte_ethdev_trace_stop(port_id, ret);
1858
1859         return ret;
1860 }
1861
1862 int
1863 rte_eth_dev_set_link_up(uint16_t port_id)
1864 {
1865         struct rte_eth_dev *dev;
1866
1867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1868         dev = &rte_eth_devices[port_id];
1869
1870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1871         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1872 }
1873
1874 int
1875 rte_eth_dev_set_link_down(uint16_t port_id)
1876 {
1877         struct rte_eth_dev *dev;
1878
1879         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1880         dev = &rte_eth_devices[port_id];
1881
1882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1883         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1884 }
1885
1886 int
1887 rte_eth_dev_close(uint16_t port_id)
1888 {
1889         struct rte_eth_dev *dev;
1890         int firsterr, binerr;
1891         int *lasterr = &firsterr;
1892
1893         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1894         dev = &rte_eth_devices[port_id];
1895
1896         if (dev->data->dev_started) {
1897                 RTE_ETHDEV_LOG(ERR, "Cannot close started device (port %u)\n",
1898                                port_id);
1899                 return -EINVAL;
1900         }
1901
1902         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1903         *lasterr = (*dev->dev_ops->dev_close)(dev);
1904         if (*lasterr != 0)
1905                 lasterr = &binerr;
1906
1907         rte_ethdev_trace_close(port_id);
1908         *lasterr = rte_eth_dev_release_port(dev);
1909
1910         return firsterr;
1911 }
1912
1913 int
1914 rte_eth_dev_reset(uint16_t port_id)
1915 {
1916         struct rte_eth_dev *dev;
1917         int ret;
1918
1919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1920         dev = &rte_eth_devices[port_id];
1921
1922         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1923
1924         ret = rte_eth_dev_stop(port_id);
1925         if (ret != 0) {
1926                 RTE_ETHDEV_LOG(ERR,
1927                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1928                         port_id, rte_strerror(-ret));
1929         }
1930         ret = dev->dev_ops->dev_reset(dev);
1931
1932         return eth_err(port_id, ret);
1933 }
1934
1935 int
1936 rte_eth_dev_is_removed(uint16_t port_id)
1937 {
1938         struct rte_eth_dev *dev;
1939         int ret;
1940
1941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1942         dev = &rte_eth_devices[port_id];
1943
1944         if (dev->state == RTE_ETH_DEV_REMOVED)
1945                 return 1;
1946
1947         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1948
1949         ret = dev->dev_ops->is_removed(dev);
1950         if (ret != 0)
1951                 /* Device is physically removed. */
1952                 dev->state = RTE_ETH_DEV_REMOVED;
1953
1954         return ret;
1955 }
1956
1957 static int
1958 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1959                              uint16_t n_seg, uint32_t *mbp_buf_size,
1960                              const struct rte_eth_dev_info *dev_info)
1961 {
1962         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1963         struct rte_mempool *mp_first;
1964         uint32_t offset_mask;
1965         uint16_t seg_idx;
1966
1967         if (n_seg > seg_capa->max_nseg) {
1968                 RTE_ETHDEV_LOG(ERR,
1969                                "Requested Rx segments %u exceed supported %u\n",
1970                                n_seg, seg_capa->max_nseg);
1971                 return -EINVAL;
1972         }
1973         /*
1974          * Check the sizes and offsets against buffer sizes
1975          * for each segment specified in extended configuration.
1976          */
1977         mp_first = rx_seg[0].mp;
1978         offset_mask = RTE_BIT32(seg_capa->offset_align_log2) - 1;
1979         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1980                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1981                 uint32_t length = rx_seg[seg_idx].length;
1982                 uint32_t offset = rx_seg[seg_idx].offset;
1983
1984                 if (mpl == NULL) {
1985                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1986                         return -EINVAL;
1987                 }
1988                 if (seg_idx != 0 && mp_first != mpl &&
1989                     seg_capa->multi_pools == 0) {
1990                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1991                         return -ENOTSUP;
1992                 }
1993                 if (offset != 0) {
1994                         if (seg_capa->offset_allowed == 0) {
1995                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1996                                 return -ENOTSUP;
1997                         }
1998                         if (offset & offset_mask) {
1999                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
2000                                                offset,
2001                                                seg_capa->offset_align_log2);
2002                                 return -EINVAL;
2003                         }
2004                 }
2005                 if (mpl->private_data_size <
2006                         sizeof(struct rte_pktmbuf_pool_private)) {
2007                         RTE_ETHDEV_LOG(ERR,
2008                                        "%s private_data_size %u < %u\n",
2009                                        mpl->name, mpl->private_data_size,
2010                                        (unsigned int)sizeof
2011                                         (struct rte_pktmbuf_pool_private));
2012                         return -ENOSPC;
2013                 }
2014                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
2015                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
2016                 length = length != 0 ? length : *mbp_buf_size;
2017                 if (*mbp_buf_size < length + offset) {
2018                         RTE_ETHDEV_LOG(ERR,
2019                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
2020                                        mpl->name, *mbp_buf_size,
2021                                        length + offset, length, offset);
2022                         return -EINVAL;
2023                 }
2024         }
2025         return 0;
2026 }
2027
2028 int
2029 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2030                        uint16_t nb_rx_desc, unsigned int socket_id,
2031                        const struct rte_eth_rxconf *rx_conf,
2032                        struct rte_mempool *mp)
2033 {
2034         int ret;
2035         uint32_t mbp_buf_size;
2036         struct rte_eth_dev *dev;
2037         struct rte_eth_dev_info dev_info;
2038         struct rte_eth_rxconf local_conf;
2039
2040         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2041         dev = &rte_eth_devices[port_id];
2042
2043         if (rx_queue_id >= dev->data->nb_rx_queues) {
2044                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", rx_queue_id);
2045                 return -EINVAL;
2046         }
2047
2048         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2049
2050         ret = rte_eth_dev_info_get(port_id, &dev_info);
2051         if (ret != 0)
2052                 return ret;
2053
2054         if (mp != NULL) {
2055                 /* Single pool configuration check. */
2056                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2057                         RTE_ETHDEV_LOG(ERR,
2058                                        "Ambiguous segment configuration\n");
2059                         return -EINVAL;
2060                 }
2061                 /*
2062                  * Check the size of the mbuf data buffer, this value
2063                  * must be provided in the private data of the memory pool.
2064                  * First check that the memory pool(s) has a valid private data.
2065                  */
2066                 if (mp->private_data_size <
2067                                 sizeof(struct rte_pktmbuf_pool_private)) {
2068                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2069                                 mp->name, mp->private_data_size,
2070                                 (unsigned int)
2071                                 sizeof(struct rte_pktmbuf_pool_private));
2072                         return -ENOSPC;
2073                 }
2074                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2075                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2076                                    RTE_PKTMBUF_HEADROOM) {
2077                         RTE_ETHDEV_LOG(ERR,
2078                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2079                                        mp->name, mbp_buf_size,
2080                                        RTE_PKTMBUF_HEADROOM +
2081                                        dev_info.min_rx_bufsize,
2082                                        RTE_PKTMBUF_HEADROOM,
2083                                        dev_info.min_rx_bufsize);
2084                         return -EINVAL;
2085                 }
2086         } else {
2087                 const struct rte_eth_rxseg_split *rx_seg;
2088                 uint16_t n_seg;
2089
2090                 /* Extended multi-segment configuration check. */
2091                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2092                         RTE_ETHDEV_LOG(ERR,
2093                                        "Memory pool is null and no extended configuration provided\n");
2094                         return -EINVAL;
2095                 }
2096
2097                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2098                 n_seg = rx_conf->rx_nseg;
2099
2100                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2101                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2102                                                            &mbp_buf_size,
2103                                                            &dev_info);
2104                         if (ret != 0)
2105                                 return ret;
2106                 } else {
2107                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2108                         return -EINVAL;
2109                 }
2110         }
2111
2112         /* Use default specified by driver, if nb_rx_desc is zero */
2113         if (nb_rx_desc == 0) {
2114                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2115                 /* If driver default is also zero, fall back on EAL default */
2116                 if (nb_rx_desc == 0)
2117                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2118         }
2119
2120         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2121                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2122                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2123
2124                 RTE_ETHDEV_LOG(ERR,
2125                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2126                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2127                         dev_info.rx_desc_lim.nb_min,
2128                         dev_info.rx_desc_lim.nb_align);
2129                 return -EINVAL;
2130         }
2131
2132         if (dev->data->dev_started &&
2133                 !(dev_info.dev_capa &
2134                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2135                 return -EBUSY;
2136
2137         if (dev->data->dev_started &&
2138                 (dev->data->rx_queue_state[rx_queue_id] !=
2139                         RTE_ETH_QUEUE_STATE_STOPPED))
2140                 return -EBUSY;
2141
2142         eth_dev_rxq_release(dev, rx_queue_id);
2143
2144         if (rx_conf == NULL)
2145                 rx_conf = &dev_info.default_rxconf;
2146
2147         local_conf = *rx_conf;
2148
2149         /*
2150          * If an offloading has already been enabled in
2151          * rte_eth_dev_configure(), it has been enabled on all queues,
2152          * so there is no need to enable it in this queue again.
2153          * The local_conf.offloads input to underlying PMD only carries
2154          * those offloadings which are only enabled on this queue and
2155          * not enabled on all queues.
2156          */
2157         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2158
2159         /*
2160          * New added offloadings for this queue are those not enabled in
2161          * rte_eth_dev_configure() and they must be per-queue type.
2162          * A pure per-port offloading can't be enabled on a queue while
2163          * disabled on another queue. A pure per-port offloading can't
2164          * be enabled for any queue as new added one if it hasn't been
2165          * enabled in rte_eth_dev_configure().
2166          */
2167         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2168              local_conf.offloads) {
2169                 RTE_ETHDEV_LOG(ERR,
2170                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2171                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2172                         port_id, rx_queue_id, local_conf.offloads,
2173                         dev_info.rx_queue_offload_capa,
2174                         __func__);
2175                 return -EINVAL;
2176         }
2177
2178         if (local_conf.share_group > 0 &&
2179             (dev_info.dev_capa & RTE_ETH_DEV_CAPA_RXQ_SHARE) == 0) {
2180                 RTE_ETHDEV_LOG(ERR,
2181                         "Ethdev port_id=%d rx_queue_id=%d, enabled share_group=%hu while device doesn't support Rx queue share\n",
2182                         port_id, rx_queue_id, local_conf.share_group);
2183                 return -EINVAL;
2184         }
2185
2186         /*
2187          * If LRO is enabled, check that the maximum aggregated packet
2188          * size is supported by the configured device.
2189          */
2190         /* Get the real Ethernet overhead length */
2191         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2192                 uint32_t overhead_len;
2193                 uint32_t max_rx_pktlen;
2194                 int ret;
2195
2196                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
2197                                 dev_info.max_mtu);
2198                 max_rx_pktlen = dev->data->mtu + overhead_len;
2199                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2200                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
2201                 ret = eth_dev_check_lro_pkt_size(port_id,
2202                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2203                                 max_rx_pktlen,
2204                                 dev_info.max_lro_pkt_size);
2205                 if (ret != 0)
2206                         return ret;
2207         }
2208
2209         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2210                                               socket_id, &local_conf, mp);
2211         if (!ret) {
2212                 if (!dev->data->min_rx_buf_size ||
2213                     dev->data->min_rx_buf_size > mbp_buf_size)
2214                         dev->data->min_rx_buf_size = mbp_buf_size;
2215         }
2216
2217         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2218                 rx_conf, ret);
2219         return eth_err(port_id, ret);
2220 }
2221
2222 int
2223 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2224                                uint16_t nb_rx_desc,
2225                                const struct rte_eth_hairpin_conf *conf)
2226 {
2227         int ret;
2228         struct rte_eth_dev *dev;
2229         struct rte_eth_hairpin_cap cap;
2230         int i;
2231         int count;
2232
2233         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2234         dev = &rte_eth_devices[port_id];
2235
2236         if (rx_queue_id >= dev->data->nb_rx_queues) {
2237                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", rx_queue_id);
2238                 return -EINVAL;
2239         }
2240
2241         if (conf == NULL) {
2242                 RTE_ETHDEV_LOG(ERR,
2243                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2244                         port_id);
2245                 return -EINVAL;
2246         }
2247
2248         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2249         if (ret != 0)
2250                 return ret;
2251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2252                                 -ENOTSUP);
2253         /* if nb_rx_desc is zero use max number of desc from the driver. */
2254         if (nb_rx_desc == 0)
2255                 nb_rx_desc = cap.max_nb_desc;
2256         if (nb_rx_desc > cap.max_nb_desc) {
2257                 RTE_ETHDEV_LOG(ERR,
2258                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2259                         nb_rx_desc, cap.max_nb_desc);
2260                 return -EINVAL;
2261         }
2262         if (conf->peer_count > cap.max_rx_2_tx) {
2263                 RTE_ETHDEV_LOG(ERR,
2264                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2265                         conf->peer_count, cap.max_rx_2_tx);
2266                 return -EINVAL;
2267         }
2268         if (conf->peer_count == 0) {
2269                 RTE_ETHDEV_LOG(ERR,
2270                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2271                         conf->peer_count);
2272                 return -EINVAL;
2273         }
2274         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2275              cap.max_nb_queues != UINT16_MAX; i++) {
2276                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2277                         count++;
2278         }
2279         if (count > cap.max_nb_queues) {
2280                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2281                 cap.max_nb_queues);
2282                 return -EINVAL;
2283         }
2284         if (dev->data->dev_started)
2285                 return -EBUSY;
2286         eth_dev_rxq_release(dev, rx_queue_id);
2287         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2288                                                       nb_rx_desc, conf);
2289         if (ret == 0)
2290                 dev->data->rx_queue_state[rx_queue_id] =
2291                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2292         return eth_err(port_id, ret);
2293 }
2294
2295 int
2296 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2297                        uint16_t nb_tx_desc, unsigned int socket_id,
2298                        const struct rte_eth_txconf *tx_conf)
2299 {
2300         struct rte_eth_dev *dev;
2301         struct rte_eth_dev_info dev_info;
2302         struct rte_eth_txconf local_conf;
2303         int ret;
2304
2305         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2306         dev = &rte_eth_devices[port_id];
2307
2308         if (tx_queue_id >= dev->data->nb_tx_queues) {
2309                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", tx_queue_id);
2310                 return -EINVAL;
2311         }
2312
2313         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2314
2315         ret = rte_eth_dev_info_get(port_id, &dev_info);
2316         if (ret != 0)
2317                 return ret;
2318
2319         /* Use default specified by driver, if nb_tx_desc is zero */
2320         if (nb_tx_desc == 0) {
2321                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2322                 /* If driver default is zero, fall back on EAL default */
2323                 if (nb_tx_desc == 0)
2324                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2325         }
2326         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2327             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2328             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2329                 RTE_ETHDEV_LOG(ERR,
2330                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2331                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2332                         dev_info.tx_desc_lim.nb_min,
2333                         dev_info.tx_desc_lim.nb_align);
2334                 return -EINVAL;
2335         }
2336
2337         if (dev->data->dev_started &&
2338                 !(dev_info.dev_capa &
2339                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2340                 return -EBUSY;
2341
2342         if (dev->data->dev_started &&
2343                 (dev->data->tx_queue_state[tx_queue_id] !=
2344                         RTE_ETH_QUEUE_STATE_STOPPED))
2345                 return -EBUSY;
2346
2347         eth_dev_txq_release(dev, tx_queue_id);
2348
2349         if (tx_conf == NULL)
2350                 tx_conf = &dev_info.default_txconf;
2351
2352         local_conf = *tx_conf;
2353
2354         /*
2355          * If an offloading has already been enabled in
2356          * rte_eth_dev_configure(), it has been enabled on all queues,
2357          * so there is no need to enable it in this queue again.
2358          * The local_conf.offloads input to underlying PMD only carries
2359          * those offloadings which are only enabled on this queue and
2360          * not enabled on all queues.
2361          */
2362         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2363
2364         /*
2365          * New added offloadings for this queue are those not enabled in
2366          * rte_eth_dev_configure() and they must be per-queue type.
2367          * A pure per-port offloading can't be enabled on a queue while
2368          * disabled on another queue. A pure per-port offloading can't
2369          * be enabled for any queue as new added one if it hasn't been
2370          * enabled in rte_eth_dev_configure().
2371          */
2372         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2373              local_conf.offloads) {
2374                 RTE_ETHDEV_LOG(ERR,
2375                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2376                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2377                         port_id, tx_queue_id, local_conf.offloads,
2378                         dev_info.tx_queue_offload_capa,
2379                         __func__);
2380                 return -EINVAL;
2381         }
2382
2383         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2384         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2385                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2386 }
2387
2388 int
2389 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2390                                uint16_t nb_tx_desc,
2391                                const struct rte_eth_hairpin_conf *conf)
2392 {
2393         struct rte_eth_dev *dev;
2394         struct rte_eth_hairpin_cap cap;
2395         int i;
2396         int count;
2397         int ret;
2398
2399         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2400         dev = &rte_eth_devices[port_id];
2401
2402         if (tx_queue_id >= dev->data->nb_tx_queues) {
2403                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", tx_queue_id);
2404                 return -EINVAL;
2405         }
2406
2407         if (conf == NULL) {
2408                 RTE_ETHDEV_LOG(ERR,
2409                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2410                         port_id);
2411                 return -EINVAL;
2412         }
2413
2414         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2415         if (ret != 0)
2416                 return ret;
2417         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2418                                 -ENOTSUP);
2419         /* if nb_rx_desc is zero use max number of desc from the driver. */
2420         if (nb_tx_desc == 0)
2421                 nb_tx_desc = cap.max_nb_desc;
2422         if (nb_tx_desc > cap.max_nb_desc) {
2423                 RTE_ETHDEV_LOG(ERR,
2424                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2425                         nb_tx_desc, cap.max_nb_desc);
2426                 return -EINVAL;
2427         }
2428         if (conf->peer_count > cap.max_tx_2_rx) {
2429                 RTE_ETHDEV_LOG(ERR,
2430                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2431                         conf->peer_count, cap.max_tx_2_rx);
2432                 return -EINVAL;
2433         }
2434         if (conf->peer_count == 0) {
2435                 RTE_ETHDEV_LOG(ERR,
2436                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2437                         conf->peer_count);
2438                 return -EINVAL;
2439         }
2440         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2441              cap.max_nb_queues != UINT16_MAX; i++) {
2442                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2443                         count++;
2444         }
2445         if (count > cap.max_nb_queues) {
2446                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2447                 cap.max_nb_queues);
2448                 return -EINVAL;
2449         }
2450         if (dev->data->dev_started)
2451                 return -EBUSY;
2452         eth_dev_txq_release(dev, tx_queue_id);
2453         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2454                 (dev, tx_queue_id, nb_tx_desc, conf);
2455         if (ret == 0)
2456                 dev->data->tx_queue_state[tx_queue_id] =
2457                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2458         return eth_err(port_id, ret);
2459 }
2460
2461 int
2462 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2463 {
2464         struct rte_eth_dev *dev;
2465         int ret;
2466
2467         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2468         dev = &rte_eth_devices[tx_port];
2469
2470         if (dev->data->dev_started == 0) {
2471                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2472                 return -EBUSY;
2473         }
2474
2475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2476         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2477         if (ret != 0)
2478                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2479                                " to Rx %d (%d - all ports)\n",
2480                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2481
2482         return ret;
2483 }
2484
2485 int
2486 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2487 {
2488         struct rte_eth_dev *dev;
2489         int ret;
2490
2491         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2492         dev = &rte_eth_devices[tx_port];
2493
2494         if (dev->data->dev_started == 0) {
2495                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2496                 return -EBUSY;
2497         }
2498
2499         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2500         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2501         if (ret != 0)
2502                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2503                                " from Rx %d (%d - all ports)\n",
2504                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2505
2506         return ret;
2507 }
2508
2509 int
2510 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2511                                size_t len, uint32_t direction)
2512 {
2513         struct rte_eth_dev *dev;
2514         int ret;
2515
2516         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2517         dev = &rte_eth_devices[port_id];
2518
2519         if (peer_ports == NULL) {
2520                 RTE_ETHDEV_LOG(ERR,
2521                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2522                         port_id);
2523                 return -EINVAL;
2524         }
2525
2526         if (len == 0) {
2527                 RTE_ETHDEV_LOG(ERR,
2528                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2529                         port_id);
2530                 return -EINVAL;
2531         }
2532
2533         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2534                                 -ENOTSUP);
2535
2536         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2537                                                       len, direction);
2538         if (ret < 0)
2539                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2540                                port_id, direction ? "Rx" : "Tx");
2541
2542         return ret;
2543 }
2544
2545 void
2546 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2547                 void *userdata __rte_unused)
2548 {
2549         rte_pktmbuf_free_bulk(pkts, unsent);
2550 }
2551
2552 void
2553 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2554                 void *userdata)
2555 {
2556         uint64_t *count = userdata;
2557
2558         rte_pktmbuf_free_bulk(pkts, unsent);
2559         *count += unsent;
2560 }
2561
2562 int
2563 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2564                 buffer_tx_error_fn cbfn, void *userdata)
2565 {
2566         if (buffer == NULL) {
2567                 RTE_ETHDEV_LOG(ERR,
2568                         "Cannot set Tx buffer error callback to NULL buffer\n");
2569                 return -EINVAL;
2570         }
2571
2572         buffer->error_callback = cbfn;
2573         buffer->error_userdata = userdata;
2574         return 0;
2575 }
2576
2577 int
2578 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2579 {
2580         int ret = 0;
2581
2582         if (buffer == NULL) {
2583                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2584                 return -EINVAL;
2585         }
2586
2587         buffer->size = size;
2588         if (buffer->error_callback == NULL) {
2589                 ret = rte_eth_tx_buffer_set_err_callback(
2590                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2591         }
2592
2593         return ret;
2594 }
2595
2596 int
2597 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2598 {
2599         struct rte_eth_dev *dev;
2600         int ret;
2601
2602         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2603         dev = &rte_eth_devices[port_id];
2604
2605         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2606
2607         /* Call driver to free pending mbufs. */
2608         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2609                                                free_cnt);
2610         return eth_err(port_id, ret);
2611 }
2612
2613 int
2614 rte_eth_promiscuous_enable(uint16_t port_id)
2615 {
2616         struct rte_eth_dev *dev;
2617         int diag = 0;
2618
2619         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2620         dev = &rte_eth_devices[port_id];
2621
2622         if (dev->data->promiscuous == 1)
2623                 return 0;
2624
2625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2626
2627         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2628         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2629
2630         return eth_err(port_id, diag);
2631 }
2632
2633 int
2634 rte_eth_promiscuous_disable(uint16_t port_id)
2635 {
2636         struct rte_eth_dev *dev;
2637         int diag = 0;
2638
2639         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2640         dev = &rte_eth_devices[port_id];
2641
2642         if (dev->data->promiscuous == 0)
2643                 return 0;
2644
2645         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2646
2647         dev->data->promiscuous = 0;
2648         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2649         if (diag != 0)
2650                 dev->data->promiscuous = 1;
2651
2652         return eth_err(port_id, diag);
2653 }
2654
2655 int
2656 rte_eth_promiscuous_get(uint16_t port_id)
2657 {
2658         struct rte_eth_dev *dev;
2659
2660         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2661         dev = &rte_eth_devices[port_id];
2662
2663         return dev->data->promiscuous;
2664 }
2665
2666 int
2667 rte_eth_allmulticast_enable(uint16_t port_id)
2668 {
2669         struct rte_eth_dev *dev;
2670         int diag;
2671
2672         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2673         dev = &rte_eth_devices[port_id];
2674
2675         if (dev->data->all_multicast == 1)
2676                 return 0;
2677
2678         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2679         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2680         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2681
2682         return eth_err(port_id, diag);
2683 }
2684
2685 int
2686 rte_eth_allmulticast_disable(uint16_t port_id)
2687 {
2688         struct rte_eth_dev *dev;
2689         int diag;
2690
2691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2692         dev = &rte_eth_devices[port_id];
2693
2694         if (dev->data->all_multicast == 0)
2695                 return 0;
2696
2697         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2698         dev->data->all_multicast = 0;
2699         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2700         if (diag != 0)
2701                 dev->data->all_multicast = 1;
2702
2703         return eth_err(port_id, diag);
2704 }
2705
2706 int
2707 rte_eth_allmulticast_get(uint16_t port_id)
2708 {
2709         struct rte_eth_dev *dev;
2710
2711         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2712         dev = &rte_eth_devices[port_id];
2713
2714         return dev->data->all_multicast;
2715 }
2716
2717 int
2718 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2719 {
2720         struct rte_eth_dev *dev;
2721
2722         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2723         dev = &rte_eth_devices[port_id];
2724
2725         if (eth_link == NULL) {
2726                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2727                         port_id);
2728                 return -EINVAL;
2729         }
2730
2731         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2732                 rte_eth_linkstatus_get(dev, eth_link);
2733         else {
2734                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2735                 (*dev->dev_ops->link_update)(dev, 1);
2736                 *eth_link = dev->data->dev_link;
2737         }
2738
2739         return 0;
2740 }
2741
2742 int
2743 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2744 {
2745         struct rte_eth_dev *dev;
2746
2747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2748         dev = &rte_eth_devices[port_id];
2749
2750         if (eth_link == NULL) {
2751                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2752                         port_id);
2753                 return -EINVAL;
2754         }
2755
2756         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2757                 rte_eth_linkstatus_get(dev, eth_link);
2758         else {
2759                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2760                 (*dev->dev_ops->link_update)(dev, 0);
2761                 *eth_link = dev->data->dev_link;
2762         }
2763
2764         return 0;
2765 }
2766
2767 const char *
2768 rte_eth_link_speed_to_str(uint32_t link_speed)
2769 {
2770         switch (link_speed) {
2771         case ETH_SPEED_NUM_NONE: return "None";
2772         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2773         case ETH_SPEED_NUM_100M: return "100 Mbps";
2774         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2775         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2776         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2777         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2778         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2779         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2780         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2781         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2782         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2783         case ETH_SPEED_NUM_100G: return "100 Gbps";
2784         case ETH_SPEED_NUM_200G: return "200 Gbps";
2785         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2786         default: return "Invalid";
2787         }
2788 }
2789
2790 int
2791 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2792 {
2793         if (str == NULL) {
2794                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2795                 return -EINVAL;
2796         }
2797
2798         if (len == 0) {
2799                 RTE_ETHDEV_LOG(ERR,
2800                         "Cannot convert link to string with zero size\n");
2801                 return -EINVAL;
2802         }
2803
2804         if (eth_link == NULL) {
2805                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2806                 return -EINVAL;
2807         }
2808
2809         if (eth_link->link_status == ETH_LINK_DOWN)
2810                 return snprintf(str, len, "Link down");
2811         else
2812                 return snprintf(str, len, "Link up at %s %s %s",
2813                         rte_eth_link_speed_to_str(eth_link->link_speed),
2814                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2815                         "FDX" : "HDX",
2816                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2817                         "Autoneg" : "Fixed");
2818 }
2819
2820 int
2821 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2822 {
2823         struct rte_eth_dev *dev;
2824
2825         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2826         dev = &rte_eth_devices[port_id];
2827
2828         if (stats == NULL) {
2829                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2830                         port_id);
2831                 return -EINVAL;
2832         }
2833
2834         memset(stats, 0, sizeof(*stats));
2835
2836         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2837         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2838         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2839 }
2840
2841 int
2842 rte_eth_stats_reset(uint16_t port_id)
2843 {
2844         struct rte_eth_dev *dev;
2845         int ret;
2846
2847         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2848         dev = &rte_eth_devices[port_id];
2849
2850         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2851         ret = (*dev->dev_ops->stats_reset)(dev);
2852         if (ret != 0)
2853                 return eth_err(port_id, ret);
2854
2855         dev->data->rx_mbuf_alloc_failed = 0;
2856
2857         return 0;
2858 }
2859
2860 static inline int
2861 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2862 {
2863         uint16_t nb_rxqs, nb_txqs;
2864         int count;
2865
2866         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2867         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2868
2869         count = RTE_NB_STATS;
2870         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2871                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2872                 count += nb_txqs * RTE_NB_TXQ_STATS;
2873         }
2874
2875         return count;
2876 }
2877
2878 static int
2879 eth_dev_get_xstats_count(uint16_t port_id)
2880 {
2881         struct rte_eth_dev *dev;
2882         int count;
2883
2884         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2885         dev = &rte_eth_devices[port_id];
2886         if (dev->dev_ops->xstats_get_names != NULL) {
2887                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2888                 if (count < 0)
2889                         return eth_err(port_id, count);
2890         } else
2891                 count = 0;
2892
2893
2894         count += eth_dev_get_xstats_basic_count(dev);
2895
2896         return count;
2897 }
2898
2899 int
2900 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2901                 uint64_t *id)
2902 {
2903         int cnt_xstats, idx_xstat;
2904
2905         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2906
2907         if (xstat_name == NULL) {
2908                 RTE_ETHDEV_LOG(ERR,
2909                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2910                         port_id);
2911                 return -ENOMEM;
2912         }
2913
2914         if (id == NULL) {
2915                 RTE_ETHDEV_LOG(ERR,
2916                         "Cannot get ethdev port %u xstats ID to NULL\n",
2917                         port_id);
2918                 return -ENOMEM;
2919         }
2920
2921         /* Get count */
2922         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2923         if (cnt_xstats  < 0) {
2924                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2925                 return -ENODEV;
2926         }
2927
2928         /* Get id-name lookup table */
2929         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2930
2931         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2932                         port_id, xstats_names, cnt_xstats, NULL)) {
2933                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2934                 return -1;
2935         }
2936
2937         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2938                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2939                         *id = idx_xstat;
2940                         return 0;
2941                 };
2942         }
2943
2944         return -EINVAL;
2945 }
2946
2947 /* retrieve basic stats names */
2948 static int
2949 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2950         struct rte_eth_xstat_name *xstats_names)
2951 {
2952         int cnt_used_entries = 0;
2953         uint32_t idx, id_queue;
2954         uint16_t num_q;
2955
2956         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2957                 strlcpy(xstats_names[cnt_used_entries].name,
2958                         eth_dev_stats_strings[idx].name,
2959                         sizeof(xstats_names[0].name));
2960                 cnt_used_entries++;
2961         }
2962
2963         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2964                 return cnt_used_entries;
2965
2966         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2967         for (id_queue = 0; id_queue < num_q; id_queue++) {
2968                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2969                         snprintf(xstats_names[cnt_used_entries].name,
2970                                 sizeof(xstats_names[0].name),
2971                                 "rx_q%u_%s",
2972                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2973                         cnt_used_entries++;
2974                 }
2975
2976         }
2977         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2978         for (id_queue = 0; id_queue < num_q; id_queue++) {
2979                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2980                         snprintf(xstats_names[cnt_used_entries].name,
2981                                 sizeof(xstats_names[0].name),
2982                                 "tx_q%u_%s",
2983                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2984                         cnt_used_entries++;
2985                 }
2986         }
2987         return cnt_used_entries;
2988 }
2989
2990 /* retrieve ethdev extended statistics names */
2991 int
2992 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2993         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2994         uint64_t *ids)
2995 {
2996         struct rte_eth_xstat_name *xstats_names_copy;
2997         unsigned int no_basic_stat_requested = 1;
2998         unsigned int no_ext_stat_requested = 1;
2999         unsigned int expected_entries;
3000         unsigned int basic_count;
3001         struct rte_eth_dev *dev;
3002         unsigned int i;
3003         int ret;
3004
3005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3006         dev = &rte_eth_devices[port_id];
3007
3008         basic_count = eth_dev_get_xstats_basic_count(dev);
3009         ret = eth_dev_get_xstats_count(port_id);
3010         if (ret < 0)
3011                 return ret;
3012         expected_entries = (unsigned int)ret;
3013
3014         /* Return max number of stats if no ids given */
3015         if (!ids) {
3016                 if (!xstats_names)
3017                         return expected_entries;
3018                 else if (xstats_names && size < expected_entries)
3019                         return expected_entries;
3020         }
3021
3022         if (ids && !xstats_names)
3023                 return -EINVAL;
3024
3025         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
3026                 uint64_t ids_copy[size];
3027
3028                 for (i = 0; i < size; i++) {
3029                         if (ids[i] < basic_count) {
3030                                 no_basic_stat_requested = 0;
3031                                 break;
3032                         }
3033
3034                         /*
3035                          * Convert ids to xstats ids that PMD knows.
3036                          * ids known by user are basic + extended stats.
3037                          */
3038                         ids_copy[i] = ids[i] - basic_count;
3039                 }
3040
3041                 if (no_basic_stat_requested)
3042                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
3043                                         ids_copy, xstats_names, size);
3044         }
3045
3046         /* Retrieve all stats */
3047         if (!ids) {
3048                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3049                                 expected_entries);
3050                 if (num_stats < 0 || num_stats > (int)expected_entries)
3051                         return num_stats;
3052                 else
3053                         return expected_entries;
3054         }
3055
3056         xstats_names_copy = calloc(expected_entries,
3057                 sizeof(struct rte_eth_xstat_name));
3058
3059         if (!xstats_names_copy) {
3060                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3061                 return -ENOMEM;
3062         }
3063
3064         if (ids) {
3065                 for (i = 0; i < size; i++) {
3066                         if (ids[i] >= basic_count) {
3067                                 no_ext_stat_requested = 0;
3068                                 break;
3069                         }
3070                 }
3071         }
3072
3073         /* Fill xstats_names_copy structure */
3074         if (ids && no_ext_stat_requested) {
3075                 eth_basic_stats_get_names(dev, xstats_names_copy);
3076         } else {
3077                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3078                         expected_entries);
3079                 if (ret < 0) {
3080                         free(xstats_names_copy);
3081                         return ret;
3082                 }
3083         }
3084
3085         /* Filter stats */
3086         for (i = 0; i < size; i++) {
3087                 if (ids[i] >= expected_entries) {
3088                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3089                         free(xstats_names_copy);
3090                         return -1;
3091                 }
3092                 xstats_names[i] = xstats_names_copy[ids[i]];
3093         }
3094
3095         free(xstats_names_copy);
3096         return size;
3097 }
3098
3099 int
3100 rte_eth_xstats_get_names(uint16_t port_id,
3101         struct rte_eth_xstat_name *xstats_names,
3102         unsigned int size)
3103 {
3104         struct rte_eth_dev *dev;
3105         int cnt_used_entries;
3106         int cnt_expected_entries;
3107         int cnt_driver_entries;
3108
3109         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3110         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3111                         (int)size < cnt_expected_entries)
3112                 return cnt_expected_entries;
3113
3114         /* port_id checked in eth_dev_get_xstats_count() */
3115         dev = &rte_eth_devices[port_id];
3116
3117         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3118
3119         if (dev->dev_ops->xstats_get_names != NULL) {
3120                 /* If there are any driver-specific xstats, append them
3121                  * to end of list.
3122                  */
3123                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3124                         dev,
3125                         xstats_names + cnt_used_entries,
3126                         size - cnt_used_entries);
3127                 if (cnt_driver_entries < 0)
3128                         return eth_err(port_id, cnt_driver_entries);
3129                 cnt_used_entries += cnt_driver_entries;
3130         }
3131
3132         return cnt_used_entries;
3133 }
3134
3135
3136 static int
3137 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3138 {
3139         struct rte_eth_dev *dev;
3140         struct rte_eth_stats eth_stats;
3141         unsigned int count = 0, i, q;
3142         uint64_t val, *stats_ptr;
3143         uint16_t nb_rxqs, nb_txqs;
3144         int ret;
3145
3146         ret = rte_eth_stats_get(port_id, &eth_stats);
3147         if (ret < 0)
3148                 return ret;
3149
3150         dev = &rte_eth_devices[port_id];
3151
3152         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3153         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3154
3155         /* global stats */
3156         for (i = 0; i < RTE_NB_STATS; i++) {
3157                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3158                                         eth_dev_stats_strings[i].offset);
3159                 val = *stats_ptr;
3160                 xstats[count++].value = val;
3161         }
3162
3163         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3164                 return count;
3165
3166         /* per-rxq stats */
3167         for (q = 0; q < nb_rxqs; q++) {
3168                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3169                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3170                                         eth_dev_rxq_stats_strings[i].offset +
3171                                         q * sizeof(uint64_t));
3172                         val = *stats_ptr;
3173                         xstats[count++].value = val;
3174                 }
3175         }
3176
3177         /* per-txq stats */
3178         for (q = 0; q < nb_txqs; q++) {
3179                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3180                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3181                                         eth_dev_txq_stats_strings[i].offset +
3182                                         q * sizeof(uint64_t));
3183                         val = *stats_ptr;
3184                         xstats[count++].value = val;
3185                 }
3186         }
3187         return count;
3188 }
3189
3190 /* retrieve ethdev extended statistics */
3191 int
3192 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3193                          uint64_t *values, unsigned int size)
3194 {
3195         unsigned int no_basic_stat_requested = 1;
3196         unsigned int no_ext_stat_requested = 1;
3197         unsigned int num_xstats_filled;
3198         unsigned int basic_count;
3199         uint16_t expected_entries;
3200         struct rte_eth_dev *dev;
3201         unsigned int i;
3202         int ret;
3203
3204         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3205         dev = &rte_eth_devices[port_id];
3206
3207         ret = eth_dev_get_xstats_count(port_id);
3208         if (ret < 0)
3209                 return ret;
3210         expected_entries = (uint16_t)ret;
3211         struct rte_eth_xstat xstats[expected_entries];
3212         basic_count = eth_dev_get_xstats_basic_count(dev);
3213
3214         /* Return max number of stats if no ids given */
3215         if (!ids) {
3216                 if (!values)
3217                         return expected_entries;
3218                 else if (values && size < expected_entries)
3219                         return expected_entries;
3220         }
3221
3222         if (ids && !values)
3223                 return -EINVAL;
3224
3225         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3226                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3227                 uint64_t ids_copy[size];
3228
3229                 for (i = 0; i < size; i++) {
3230                         if (ids[i] < basic_count) {
3231                                 no_basic_stat_requested = 0;
3232                                 break;
3233                         }
3234
3235                         /*
3236                          * Convert ids to xstats ids that PMD knows.
3237                          * ids known by user are basic + extended stats.
3238                          */
3239                         ids_copy[i] = ids[i] - basic_count;
3240                 }
3241
3242                 if (no_basic_stat_requested)
3243                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3244                                         values, size);
3245         }
3246
3247         if (ids) {
3248                 for (i = 0; i < size; i++) {
3249                         if (ids[i] >= basic_count) {
3250                                 no_ext_stat_requested = 0;
3251                                 break;
3252                         }
3253                 }
3254         }
3255
3256         /* Fill the xstats structure */
3257         if (ids && no_ext_stat_requested)
3258                 ret = eth_basic_stats_get(port_id, xstats);
3259         else
3260                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3261
3262         if (ret < 0)
3263                 return ret;
3264         num_xstats_filled = (unsigned int)ret;
3265
3266         /* Return all stats */
3267         if (!ids) {
3268                 for (i = 0; i < num_xstats_filled; i++)
3269                         values[i] = xstats[i].value;
3270                 return expected_entries;
3271         }
3272
3273         /* Filter stats */
3274         for (i = 0; i < size; i++) {
3275                 if (ids[i] >= expected_entries) {
3276                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3277                         return -1;
3278                 }
3279                 values[i] = xstats[ids[i]].value;
3280         }
3281         return size;
3282 }
3283
3284 int
3285 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3286         unsigned int n)
3287 {
3288         struct rte_eth_dev *dev;
3289         unsigned int count = 0, i;
3290         signed int xcount = 0;
3291         uint16_t nb_rxqs, nb_txqs;
3292         int ret;
3293
3294         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3295         dev = &rte_eth_devices[port_id];
3296
3297         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3298         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3299
3300         /* Return generic statistics */
3301         count = RTE_NB_STATS;
3302         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3303                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3304
3305         /* implemented by the driver */
3306         if (dev->dev_ops->xstats_get != NULL) {
3307                 /* Retrieve the xstats from the driver at the end of the
3308                  * xstats struct.
3309                  */
3310                 xcount = (*dev->dev_ops->xstats_get)(dev,
3311                                      xstats ? xstats + count : NULL,
3312                                      (n > count) ? n - count : 0);
3313
3314                 if (xcount < 0)
3315                         return eth_err(port_id, xcount);
3316         }
3317
3318         if (n < count + xcount || xstats == NULL)
3319                 return count + xcount;
3320
3321         /* now fill the xstats structure */
3322         ret = eth_basic_stats_get(port_id, xstats);
3323         if (ret < 0)
3324                 return ret;
3325         count = ret;
3326
3327         for (i = 0; i < count; i++)
3328                 xstats[i].id = i;
3329         /* add an offset to driver-specific stats */
3330         for ( ; i < count + xcount; i++)
3331                 xstats[i].id += count;
3332
3333         return count + xcount;
3334 }
3335
3336 /* reset ethdev extended statistics */
3337 int
3338 rte_eth_xstats_reset(uint16_t port_id)
3339 {
3340         struct rte_eth_dev *dev;
3341
3342         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3343         dev = &rte_eth_devices[port_id];
3344
3345         /* implemented by the driver */
3346         if (dev->dev_ops->xstats_reset != NULL)
3347                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3348
3349         /* fallback to default */
3350         return rte_eth_stats_reset(port_id);
3351 }
3352
3353 static int
3354 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3355                 uint8_t stat_idx, uint8_t is_rx)
3356 {
3357         struct rte_eth_dev *dev;
3358
3359         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3360         dev = &rte_eth_devices[port_id];
3361
3362         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3363                 return -EINVAL;
3364
3365         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3366                 return -EINVAL;
3367
3368         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3369                 return -EINVAL;
3370
3371         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3372         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3373 }
3374
3375 int
3376 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3377                 uint8_t stat_idx)
3378 {
3379         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3380                                                 tx_queue_id,
3381                                                 stat_idx, STAT_QMAP_TX));
3382 }
3383
3384 int
3385 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3386                 uint8_t stat_idx)
3387 {
3388         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3389                                                 rx_queue_id,
3390                                                 stat_idx, STAT_QMAP_RX));
3391 }
3392
3393 int
3394 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3395 {
3396         struct rte_eth_dev *dev;
3397
3398         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3399         dev = &rte_eth_devices[port_id];
3400
3401         if (fw_version == NULL && fw_size > 0) {
3402                 RTE_ETHDEV_LOG(ERR,
3403                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3404                         port_id);
3405                 return -EINVAL;
3406         }
3407
3408         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3409         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3410                                                         fw_version, fw_size));
3411 }
3412
3413 int
3414 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3415 {
3416         struct rte_eth_dev *dev;
3417         const struct rte_eth_desc_lim lim = {
3418                 .nb_max = UINT16_MAX,
3419                 .nb_min = 0,
3420                 .nb_align = 1,
3421                 .nb_seg_max = UINT16_MAX,
3422                 .nb_mtu_seg_max = UINT16_MAX,
3423         };
3424         int diag;
3425
3426         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3427         dev = &rte_eth_devices[port_id];
3428
3429         if (dev_info == NULL) {
3430                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3431                         port_id);
3432                 return -EINVAL;
3433         }
3434
3435         /*
3436          * Init dev_info before port_id check since caller does not have
3437          * return status and does not know if get is successful or not.
3438          */
3439         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3440         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3441
3442         dev_info->rx_desc_lim = lim;
3443         dev_info->tx_desc_lim = lim;
3444         dev_info->device = dev->device;
3445         dev_info->min_mtu = RTE_ETHER_MIN_LEN - RTE_ETHER_HDR_LEN -
3446                 RTE_ETHER_CRC_LEN;
3447         dev_info->max_mtu = UINT16_MAX;
3448
3449         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3450         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3451         if (diag != 0) {
3452                 /* Cleanup already filled in device information */
3453                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3454                 return eth_err(port_id, diag);
3455         }
3456
3457         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3458         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3459                         RTE_MAX_QUEUES_PER_PORT);
3460         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3461                         RTE_MAX_QUEUES_PER_PORT);
3462
3463         dev_info->driver_name = dev->device->driver->name;
3464         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3465         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3466
3467         dev_info->dev_flags = &dev->data->dev_flags;
3468
3469         return 0;
3470 }
3471
3472 int
3473 rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf)
3474 {
3475         struct rte_eth_dev *dev;
3476
3477         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3478         dev = &rte_eth_devices[port_id];
3479
3480         if (dev_conf == NULL) {
3481                 RTE_ETHDEV_LOG(ERR,
3482                         "Cannot get ethdev port %u configuration to NULL\n",
3483                         port_id);
3484                 return -EINVAL;
3485         }
3486
3487         memcpy(dev_conf, &dev->data->dev_conf, sizeof(struct rte_eth_conf));
3488
3489         return 0;
3490 }
3491
3492 int
3493 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3494                                  uint32_t *ptypes, int num)
3495 {
3496         int i, j;
3497         struct rte_eth_dev *dev;
3498         const uint32_t *all_ptypes;
3499
3500         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3501         dev = &rte_eth_devices[port_id];
3502
3503         if (ptypes == NULL && num > 0) {
3504                 RTE_ETHDEV_LOG(ERR,
3505                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3506                         port_id);
3507                 return -EINVAL;
3508         }
3509
3510         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3511         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3512
3513         if (!all_ptypes)
3514                 return 0;
3515
3516         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3517                 if (all_ptypes[i] & ptype_mask) {
3518                         if (j < num)
3519                                 ptypes[j] = all_ptypes[i];
3520                         j++;
3521                 }
3522
3523         return j;
3524 }
3525
3526 int
3527 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3528                                  uint32_t *set_ptypes, unsigned int num)
3529 {
3530         const uint32_t valid_ptype_masks[] = {
3531                 RTE_PTYPE_L2_MASK,
3532                 RTE_PTYPE_L3_MASK,
3533                 RTE_PTYPE_L4_MASK,
3534                 RTE_PTYPE_TUNNEL_MASK,
3535                 RTE_PTYPE_INNER_L2_MASK,
3536                 RTE_PTYPE_INNER_L3_MASK,
3537                 RTE_PTYPE_INNER_L4_MASK,
3538         };
3539         const uint32_t *all_ptypes;
3540         struct rte_eth_dev *dev;
3541         uint32_t unused_mask;
3542         unsigned int i, j;
3543         int ret;
3544
3545         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3546         dev = &rte_eth_devices[port_id];
3547
3548         if (num > 0 && set_ptypes == NULL) {
3549                 RTE_ETHDEV_LOG(ERR,
3550                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3551                         port_id);
3552                 return -EINVAL;
3553         }
3554
3555         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3556                         *dev->dev_ops->dev_ptypes_set == NULL) {
3557                 ret = 0;
3558                 goto ptype_unknown;
3559         }
3560
3561         if (ptype_mask == 0) {
3562                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3563                                 ptype_mask);
3564                 goto ptype_unknown;
3565         }
3566
3567         unused_mask = ptype_mask;
3568         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3569                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3570                 if (mask && mask != valid_ptype_masks[i]) {
3571                         ret = -EINVAL;
3572                         goto ptype_unknown;
3573                 }
3574                 unused_mask &= ~valid_ptype_masks[i];
3575         }
3576
3577         if (unused_mask) {
3578                 ret = -EINVAL;
3579                 goto ptype_unknown;
3580         }
3581
3582         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3583         if (all_ptypes == NULL) {
3584                 ret = 0;
3585                 goto ptype_unknown;
3586         }
3587
3588         /*
3589          * Accommodate as many set_ptypes as possible. If the supplied
3590          * set_ptypes array is insufficient fill it partially.
3591          */
3592         for (i = 0, j = 0; set_ptypes != NULL &&
3593                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3594                 if (ptype_mask & all_ptypes[i]) {
3595                         if (j < num - 1) {
3596                                 set_ptypes[j] = all_ptypes[i];
3597                                 j++;
3598                                 continue;
3599                         }
3600                         break;
3601                 }
3602         }
3603
3604         if (set_ptypes != NULL && j < num)
3605                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3606
3607         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3608
3609 ptype_unknown:
3610         if (num > 0)
3611                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3612
3613         return ret;
3614 }
3615
3616 int
3617 rte_eth_macaddrs_get(uint16_t port_id, struct rte_ether_addr *ma,
3618         unsigned int num)
3619 {
3620         int32_t ret;
3621         struct rte_eth_dev *dev;
3622         struct rte_eth_dev_info dev_info;
3623
3624         if (ma == NULL) {
3625                 RTE_ETHDEV_LOG(ERR, "%s: invalid parameters\n", __func__);
3626                 return -EINVAL;
3627         }
3628
3629         /* will check for us that port_id is a valid one */
3630         ret = rte_eth_dev_info_get(port_id, &dev_info);
3631         if (ret != 0)
3632                 return ret;
3633
3634         dev = &rte_eth_devices[port_id];
3635         num = RTE_MIN(dev_info.max_mac_addrs, num);
3636         memcpy(ma, dev->data->mac_addrs, num * sizeof(ma[0]));
3637
3638         return num;
3639 }
3640
3641 int
3642 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3643 {
3644         struct rte_eth_dev *dev;
3645
3646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3647         dev = &rte_eth_devices[port_id];
3648
3649         if (mac_addr == NULL) {
3650                 RTE_ETHDEV_LOG(ERR,
3651                         "Cannot get ethdev port %u MAC address to NULL\n",
3652                         port_id);
3653                 return -EINVAL;
3654         }
3655
3656         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3657
3658         return 0;
3659 }
3660
3661 int
3662 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3663 {
3664         struct rte_eth_dev *dev;
3665
3666         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3667         dev = &rte_eth_devices[port_id];
3668
3669         if (mtu == NULL) {
3670                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3671                         port_id);
3672                 return -EINVAL;
3673         }
3674
3675         *mtu = dev->data->mtu;
3676         return 0;
3677 }
3678
3679 int
3680 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3681 {
3682         int ret;
3683         struct rte_eth_dev_info dev_info;
3684         struct rte_eth_dev *dev;
3685
3686         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3687         dev = &rte_eth_devices[port_id];
3688         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3689
3690         /*
3691          * Check if the device supports dev_infos_get, if it does not
3692          * skip min_mtu/max_mtu validation here as this requires values
3693          * that are populated within the call to rte_eth_dev_info_get()
3694          * which relies on dev->dev_ops->dev_infos_get.
3695          */
3696         if (*dev->dev_ops->dev_infos_get != NULL) {
3697                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3698                 if (ret != 0)
3699                         return ret;
3700
3701                 ret = eth_dev_validate_mtu(port_id, &dev_info, mtu);
3702                 if (ret != 0)
3703                         return ret;
3704         }
3705
3706         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3707         if (ret == 0)
3708                 dev->data->mtu = mtu;
3709
3710         return eth_err(port_id, ret);
3711 }
3712
3713 int
3714 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3715 {
3716         struct rte_eth_dev *dev;
3717         int ret;
3718
3719         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3720         dev = &rte_eth_devices[port_id];
3721
3722         if (!(dev->data->dev_conf.rxmode.offloads &
3723               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3724                 RTE_ETHDEV_LOG(ERR, "Port %u: VLAN-filtering disabled\n",
3725                         port_id);
3726                 return -ENOSYS;
3727         }
3728
3729         if (vlan_id > 4095) {
3730                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3731                         port_id, vlan_id);
3732                 return -EINVAL;
3733         }
3734         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3735
3736         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3737         if (ret == 0) {
3738                 struct rte_vlan_filter_conf *vfc;
3739                 int vidx;
3740                 int vbit;
3741
3742                 vfc = &dev->data->vlan_filter_conf;
3743                 vidx = vlan_id / 64;
3744                 vbit = vlan_id % 64;
3745
3746                 if (on)
3747                         vfc->ids[vidx] |= RTE_BIT64(vbit);
3748                 else
3749                         vfc->ids[vidx] &= ~RTE_BIT64(vbit);
3750         }
3751
3752         return eth_err(port_id, ret);
3753 }
3754
3755 int
3756 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3757                                     int on)
3758 {
3759         struct rte_eth_dev *dev;
3760
3761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3762         dev = &rte_eth_devices[port_id];
3763
3764         if (rx_queue_id >= dev->data->nb_rx_queues) {
3765                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3766                 return -EINVAL;
3767         }
3768
3769         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3770         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3771
3772         return 0;
3773 }
3774
3775 int
3776 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3777                                 enum rte_vlan_type vlan_type,
3778                                 uint16_t tpid)
3779 {
3780         struct rte_eth_dev *dev;
3781
3782         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3783         dev = &rte_eth_devices[port_id];
3784
3785         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3786         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3787                                                                tpid));
3788 }
3789
3790 int
3791 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3792 {
3793         struct rte_eth_dev_info dev_info;
3794         struct rte_eth_dev *dev;
3795         int ret = 0;
3796         int mask = 0;
3797         int cur, org = 0;
3798         uint64_t orig_offloads;
3799         uint64_t dev_offloads;
3800         uint64_t new_offloads;
3801
3802         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3803         dev = &rte_eth_devices[port_id];
3804
3805         /* save original values in case of failure */
3806         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3807         dev_offloads = orig_offloads;
3808
3809         /* check which option changed by application */
3810         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3811         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3812         if (cur != org) {
3813                 if (cur)
3814                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3815                 else
3816                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3817                 mask |= ETH_VLAN_STRIP_MASK;
3818         }
3819
3820         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3821         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3822         if (cur != org) {
3823                 if (cur)
3824                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3825                 else
3826                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3827                 mask |= ETH_VLAN_FILTER_MASK;
3828         }
3829
3830         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3831         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3832         if (cur != org) {
3833                 if (cur)
3834                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3835                 else
3836                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3837                 mask |= ETH_VLAN_EXTEND_MASK;
3838         }
3839
3840         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3841         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3842         if (cur != org) {
3843                 if (cur)
3844                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3845                 else
3846                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3847                 mask |= ETH_QINQ_STRIP_MASK;
3848         }
3849
3850         /*no change*/
3851         if (mask == 0)
3852                 return ret;
3853
3854         ret = rte_eth_dev_info_get(port_id, &dev_info);
3855         if (ret != 0)
3856                 return ret;
3857
3858         /* Rx VLAN offloading must be within its device capabilities */
3859         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3860                 new_offloads = dev_offloads & ~orig_offloads;
3861                 RTE_ETHDEV_LOG(ERR,
3862                         "Ethdev port_id=%u requested new added VLAN offloads "
3863                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3864                         "0x%" PRIx64 " in %s()\n",
3865                         port_id, new_offloads, dev_info.rx_offload_capa,
3866                         __func__);
3867                 return -EINVAL;
3868         }
3869
3870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3871         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3872         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3873         if (ret) {
3874                 /* hit an error restore  original values */
3875                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3876         }
3877
3878         return eth_err(port_id, ret);
3879 }
3880
3881 int
3882 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3883 {
3884         struct rte_eth_dev *dev;
3885         uint64_t *dev_offloads;
3886         int ret = 0;
3887
3888         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3889         dev = &rte_eth_devices[port_id];
3890         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3891
3892         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3893                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3894
3895         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3896                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3897
3898         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3899                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3900
3901         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3902                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3903
3904         return ret;
3905 }
3906
3907 int
3908 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3909 {
3910         struct rte_eth_dev *dev;
3911
3912         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3913         dev = &rte_eth_devices[port_id];
3914
3915         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3916         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3917 }
3918
3919 int
3920 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3921 {
3922         struct rte_eth_dev *dev;
3923
3924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3925         dev = &rte_eth_devices[port_id];
3926
3927         if (fc_conf == NULL) {
3928                 RTE_ETHDEV_LOG(ERR,
3929                         "Cannot get ethdev port %u flow control config to NULL\n",
3930                         port_id);
3931                 return -EINVAL;
3932         }
3933
3934         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3935         memset(fc_conf, 0, sizeof(*fc_conf));
3936         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3937 }
3938
3939 int
3940 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3941 {
3942         struct rte_eth_dev *dev;
3943
3944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3945         dev = &rte_eth_devices[port_id];
3946
3947         if (fc_conf == NULL) {
3948                 RTE_ETHDEV_LOG(ERR,
3949                         "Cannot set ethdev port %u flow control from NULL config\n",
3950                         port_id);
3951                 return -EINVAL;
3952         }
3953
3954         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3955                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3956                 return -EINVAL;
3957         }
3958
3959         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3960         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3961 }
3962
3963 int
3964 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3965                                    struct rte_eth_pfc_conf *pfc_conf)
3966 {
3967         struct rte_eth_dev *dev;
3968
3969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3970         dev = &rte_eth_devices[port_id];
3971
3972         if (pfc_conf == NULL) {
3973                 RTE_ETHDEV_LOG(ERR,
3974                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3975                         port_id);
3976                 return -EINVAL;
3977         }
3978
3979         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3980                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3981                 return -EINVAL;
3982         }
3983
3984         /* High water, low water validation are device specific */
3985         if  (*dev->dev_ops->priority_flow_ctrl_set)
3986                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3987                                         (dev, pfc_conf));
3988         return -ENOTSUP;
3989 }
3990
3991 static int
3992 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3993                         uint16_t reta_size)
3994 {
3995         uint16_t i, num;
3996
3997         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3998         for (i = 0; i < num; i++) {
3999                 if (reta_conf[i].mask)
4000                         return 0;
4001         }
4002
4003         return -EINVAL;
4004 }
4005
4006 static int
4007 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
4008                          uint16_t reta_size,
4009                          uint16_t max_rxq)
4010 {
4011         uint16_t i, idx, shift;
4012
4013         if (max_rxq == 0) {
4014                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
4015                 return -EINVAL;
4016         }
4017
4018         for (i = 0; i < reta_size; i++) {
4019                 idx = i / RTE_RETA_GROUP_SIZE;
4020                 shift = i % RTE_RETA_GROUP_SIZE;
4021                 if ((reta_conf[idx].mask & RTE_BIT64(shift)) &&
4022                         (reta_conf[idx].reta[shift] >= max_rxq)) {
4023                         RTE_ETHDEV_LOG(ERR,
4024                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
4025                                 idx, shift,
4026                                 reta_conf[idx].reta[shift], max_rxq);
4027                         return -EINVAL;
4028                 }
4029         }
4030
4031         return 0;
4032 }
4033
4034 int
4035 rte_eth_dev_rss_reta_update(uint16_t port_id,
4036                             struct rte_eth_rss_reta_entry64 *reta_conf,
4037                             uint16_t reta_size)
4038 {
4039         struct rte_eth_dev *dev;
4040         int ret;
4041
4042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4043         dev = &rte_eth_devices[port_id];
4044
4045         if (reta_conf == NULL) {
4046                 RTE_ETHDEV_LOG(ERR,
4047                         "Cannot update ethdev port %u RSS RETA to NULL\n",
4048                         port_id);
4049                 return -EINVAL;
4050         }
4051
4052         if (reta_size == 0) {
4053                 RTE_ETHDEV_LOG(ERR,
4054                         "Cannot update ethdev port %u RSS RETA with zero size\n",
4055                         port_id);
4056                 return -EINVAL;
4057         }
4058
4059         /* Check mask bits */
4060         ret = eth_check_reta_mask(reta_conf, reta_size);
4061         if (ret < 0)
4062                 return ret;
4063
4064         /* Check entry value */
4065         ret = eth_check_reta_entry(reta_conf, reta_size,
4066                                 dev->data->nb_rx_queues);
4067         if (ret < 0)
4068                 return ret;
4069
4070         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4071         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4072                                                              reta_size));
4073 }
4074
4075 int
4076 rte_eth_dev_rss_reta_query(uint16_t port_id,
4077                            struct rte_eth_rss_reta_entry64 *reta_conf,
4078                            uint16_t reta_size)
4079 {
4080         struct rte_eth_dev *dev;
4081         int ret;
4082
4083         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4084         dev = &rte_eth_devices[port_id];
4085
4086         if (reta_conf == NULL) {
4087                 RTE_ETHDEV_LOG(ERR,
4088                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4089                         port_id);
4090                 return -EINVAL;
4091         }
4092
4093         /* Check mask bits */
4094         ret = eth_check_reta_mask(reta_conf, reta_size);
4095         if (ret < 0)
4096                 return ret;
4097
4098         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4099         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4100                                                             reta_size));
4101 }
4102
4103 int
4104 rte_eth_dev_rss_hash_update(uint16_t port_id,
4105                             struct rte_eth_rss_conf *rss_conf)
4106 {
4107         struct rte_eth_dev *dev;
4108         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4109         int ret;
4110
4111         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4112         dev = &rte_eth_devices[port_id];
4113
4114         if (rss_conf == NULL) {
4115                 RTE_ETHDEV_LOG(ERR,
4116                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4117                         port_id);
4118                 return -EINVAL;
4119         }
4120
4121         ret = rte_eth_dev_info_get(port_id, &dev_info);
4122         if (ret != 0)
4123                 return ret;
4124
4125         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4126         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4127             dev_info.flow_type_rss_offloads) {
4128                 RTE_ETHDEV_LOG(ERR,
4129                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4130                         port_id, rss_conf->rss_hf,
4131                         dev_info.flow_type_rss_offloads);
4132                 return -EINVAL;
4133         }
4134         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4135         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4136                                                                  rss_conf));
4137 }
4138
4139 int
4140 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4141                               struct rte_eth_rss_conf *rss_conf)
4142 {
4143         struct rte_eth_dev *dev;
4144
4145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4146         dev = &rte_eth_devices[port_id];
4147
4148         if (rss_conf == NULL) {
4149                 RTE_ETHDEV_LOG(ERR,
4150                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4151                         port_id);
4152                 return -EINVAL;
4153         }
4154
4155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4156         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4157                                                                    rss_conf));
4158 }
4159
4160 int
4161 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4162                                 struct rte_eth_udp_tunnel *udp_tunnel)
4163 {
4164         struct rte_eth_dev *dev;
4165
4166         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4167         dev = &rte_eth_devices[port_id];
4168
4169         if (udp_tunnel == NULL) {
4170                 RTE_ETHDEV_LOG(ERR,
4171                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4172                         port_id);
4173                 return -EINVAL;
4174         }
4175
4176         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4177                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4178                 return -EINVAL;
4179         }
4180
4181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4182         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4183                                                                 udp_tunnel));
4184 }
4185
4186 int
4187 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4188                                    struct rte_eth_udp_tunnel *udp_tunnel)
4189 {
4190         struct rte_eth_dev *dev;
4191
4192         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4193         dev = &rte_eth_devices[port_id];
4194
4195         if (udp_tunnel == NULL) {
4196                 RTE_ETHDEV_LOG(ERR,
4197                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4198                         port_id);
4199                 return -EINVAL;
4200         }
4201
4202         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4203                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4204                 return -EINVAL;
4205         }
4206
4207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4208         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4209                                                                 udp_tunnel));
4210 }
4211
4212 int
4213 rte_eth_led_on(uint16_t port_id)
4214 {
4215         struct rte_eth_dev *dev;
4216
4217         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4218         dev = &rte_eth_devices[port_id];
4219
4220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4221         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4222 }
4223
4224 int
4225 rte_eth_led_off(uint16_t port_id)
4226 {
4227         struct rte_eth_dev *dev;
4228
4229         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4230         dev = &rte_eth_devices[port_id];
4231
4232         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4233         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4234 }
4235
4236 int
4237 rte_eth_fec_get_capability(uint16_t port_id,
4238                            struct rte_eth_fec_capa *speed_fec_capa,
4239                            unsigned int num)
4240 {
4241         struct rte_eth_dev *dev;
4242         int ret;
4243
4244         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4245         dev = &rte_eth_devices[port_id];
4246
4247         if (speed_fec_capa == NULL && num > 0) {
4248                 RTE_ETHDEV_LOG(ERR,
4249                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4250                         port_id);
4251                 return -EINVAL;
4252         }
4253
4254         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4255         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4256
4257         return ret;
4258 }
4259
4260 int
4261 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4262 {
4263         struct rte_eth_dev *dev;
4264
4265         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4266         dev = &rte_eth_devices[port_id];
4267
4268         if (fec_capa == NULL) {
4269                 RTE_ETHDEV_LOG(ERR,
4270                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4271                         port_id);
4272                 return -EINVAL;
4273         }
4274
4275         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4276         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4277 }
4278
4279 int
4280 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4281 {
4282         struct rte_eth_dev *dev;
4283
4284         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4285         dev = &rte_eth_devices[port_id];
4286
4287         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4288         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4289 }
4290
4291 /*
4292  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4293  * an empty spot.
4294  */
4295 static int
4296 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4297 {
4298         struct rte_eth_dev_info dev_info;
4299         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4300         unsigned i;
4301         int ret;
4302
4303         ret = rte_eth_dev_info_get(port_id, &dev_info);
4304         if (ret != 0)
4305                 return -1;
4306
4307         for (i = 0; i < dev_info.max_mac_addrs; i++)
4308                 if (memcmp(addr, &dev->data->mac_addrs[i],
4309                                 RTE_ETHER_ADDR_LEN) == 0)
4310                         return i;
4311
4312         return -1;
4313 }
4314
4315 static const struct rte_ether_addr null_mac_addr;
4316
4317 int
4318 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4319                         uint32_t pool)
4320 {
4321         struct rte_eth_dev *dev;
4322         int index;
4323         uint64_t pool_mask;
4324         int ret;
4325
4326         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4327         dev = &rte_eth_devices[port_id];
4328
4329         if (addr == NULL) {
4330                 RTE_ETHDEV_LOG(ERR,
4331                         "Cannot add ethdev port %u MAC address from NULL address\n",
4332                         port_id);
4333                 return -EINVAL;
4334         }
4335
4336         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4337
4338         if (rte_is_zero_ether_addr(addr)) {
4339                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4340                         port_id);
4341                 return -EINVAL;
4342         }
4343         if (pool >= ETH_64_POOLS) {
4344                 RTE_ETHDEV_LOG(ERR, "Pool ID must be 0-%d\n", ETH_64_POOLS - 1);
4345                 return -EINVAL;
4346         }
4347
4348         index = eth_dev_get_mac_addr_index(port_id, addr);
4349         if (index < 0) {
4350                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4351                 if (index < 0) {
4352                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4353                                 port_id);
4354                         return -ENOSPC;
4355                 }
4356         } else {
4357                 pool_mask = dev->data->mac_pool_sel[index];
4358
4359                 /* Check if both MAC address and pool is already there, and do nothing */
4360                 if (pool_mask & RTE_BIT64(pool))
4361                         return 0;
4362         }
4363
4364         /* Update NIC */
4365         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4366
4367         if (ret == 0) {
4368                 /* Update address in NIC data structure */
4369                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4370
4371                 /* Update pool bitmap in NIC data structure */
4372                 dev->data->mac_pool_sel[index] |= RTE_BIT64(pool);
4373         }
4374
4375         return eth_err(port_id, ret);
4376 }
4377
4378 int
4379 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4380 {
4381         struct rte_eth_dev *dev;
4382         int index;
4383
4384         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4385         dev = &rte_eth_devices[port_id];
4386
4387         if (addr == NULL) {
4388                 RTE_ETHDEV_LOG(ERR,
4389                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4390                         port_id);
4391                 return -EINVAL;
4392         }
4393
4394         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4395
4396         index = eth_dev_get_mac_addr_index(port_id, addr);
4397         if (index == 0) {
4398                 RTE_ETHDEV_LOG(ERR,
4399                         "Port %u: Cannot remove default MAC address\n",
4400                         port_id);
4401                 return -EADDRINUSE;
4402         } else if (index < 0)
4403                 return 0;  /* Do nothing if address wasn't found */
4404
4405         /* Update NIC */
4406         (*dev->dev_ops->mac_addr_remove)(dev, index);
4407
4408         /* Update address in NIC data structure */
4409         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4410
4411         /* reset pool bitmap */
4412         dev->data->mac_pool_sel[index] = 0;
4413
4414         return 0;
4415 }
4416
4417 int
4418 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4419 {
4420         struct rte_eth_dev *dev;
4421         int ret;
4422
4423         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4424         dev = &rte_eth_devices[port_id];
4425
4426         if (addr == NULL) {
4427                 RTE_ETHDEV_LOG(ERR,
4428                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4429                         port_id);
4430                 return -EINVAL;
4431         }
4432
4433         if (!rte_is_valid_assigned_ether_addr(addr))
4434                 return -EINVAL;
4435
4436         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4437
4438         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4439         if (ret < 0)
4440                 return ret;
4441
4442         /* Update default address in NIC data structure */
4443         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4444
4445         return 0;
4446 }
4447
4448
4449 /*
4450  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4451  * an empty spot.
4452  */
4453 static int
4454 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4455                 const struct rte_ether_addr *addr)
4456 {
4457         struct rte_eth_dev_info dev_info;
4458         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4459         unsigned i;
4460         int ret;
4461
4462         ret = rte_eth_dev_info_get(port_id, &dev_info);
4463         if (ret != 0)
4464                 return -1;
4465
4466         if (!dev->data->hash_mac_addrs)
4467                 return -1;
4468
4469         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4470                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4471                         RTE_ETHER_ADDR_LEN) == 0)
4472                         return i;
4473
4474         return -1;
4475 }
4476
4477 int
4478 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4479                                 uint8_t on)
4480 {
4481         int index;
4482         int ret;
4483         struct rte_eth_dev *dev;
4484
4485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4486         dev = &rte_eth_devices[port_id];
4487
4488         if (addr == NULL) {
4489                 RTE_ETHDEV_LOG(ERR,
4490                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4491                         port_id);
4492                 return -EINVAL;
4493         }
4494
4495         if (rte_is_zero_ether_addr(addr)) {
4496                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4497                         port_id);
4498                 return -EINVAL;
4499         }
4500
4501         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4502         /* Check if it's already there, and do nothing */
4503         if ((index >= 0) && on)
4504                 return 0;
4505
4506         if (index < 0) {
4507                 if (!on) {
4508                         RTE_ETHDEV_LOG(ERR,
4509                                 "Port %u: the MAC address was not set in UTA\n",
4510                                 port_id);
4511                         return -EINVAL;
4512                 }
4513
4514                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4515                 if (index < 0) {
4516                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4517                                 port_id);
4518                         return -ENOSPC;
4519                 }
4520         }
4521
4522         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4523         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4524         if (ret == 0) {
4525                 /* Update address in NIC data structure */
4526                 if (on)
4527                         rte_ether_addr_copy(addr,
4528                                         &dev->data->hash_mac_addrs[index]);
4529                 else
4530                         rte_ether_addr_copy(&null_mac_addr,
4531                                         &dev->data->hash_mac_addrs[index]);
4532         }
4533
4534         return eth_err(port_id, ret);
4535 }
4536
4537 int
4538 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4539 {
4540         struct rte_eth_dev *dev;
4541
4542         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4543         dev = &rte_eth_devices[port_id];
4544
4545         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4546         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4547                                                                        on));
4548 }
4549
4550 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4551                                         uint16_t tx_rate)
4552 {
4553         struct rte_eth_dev *dev;
4554         struct rte_eth_dev_info dev_info;
4555         struct rte_eth_link link;
4556         int ret;
4557
4558         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4559         dev = &rte_eth_devices[port_id];
4560
4561         ret = rte_eth_dev_info_get(port_id, &dev_info);
4562         if (ret != 0)
4563                 return ret;
4564
4565         link = dev->data->dev_link;
4566
4567         if (queue_idx > dev_info.max_tx_queues) {
4568                 RTE_ETHDEV_LOG(ERR,
4569                         "Set queue rate limit:port %u: invalid queue ID=%u\n",
4570                         port_id, queue_idx);
4571                 return -EINVAL;
4572         }
4573
4574         if (tx_rate > link.link_speed) {
4575                 RTE_ETHDEV_LOG(ERR,
4576                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4577                         tx_rate, link.link_speed);
4578                 return -EINVAL;
4579         }
4580
4581         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4582         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4583                                                         queue_idx, tx_rate));
4584 }
4585
4586 RTE_INIT(eth_dev_init_fp_ops)
4587 {
4588         uint32_t i;
4589
4590         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4591                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4592 }
4593
4594 RTE_INIT(eth_dev_init_cb_lists)
4595 {
4596         uint16_t i;
4597
4598         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4599                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4600 }
4601
4602 int
4603 rte_eth_dev_callback_register(uint16_t port_id,
4604                         enum rte_eth_event_type event,
4605                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4606 {
4607         struct rte_eth_dev *dev;
4608         struct rte_eth_dev_callback *user_cb;
4609         uint16_t next_port;
4610         uint16_t last_port;
4611
4612         if (cb_fn == NULL) {
4613                 RTE_ETHDEV_LOG(ERR,
4614                         "Cannot register ethdev port %u callback from NULL\n",
4615                         port_id);
4616                 return -EINVAL;
4617         }
4618
4619         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4620                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4621                 return -EINVAL;
4622         }
4623
4624         if (port_id == RTE_ETH_ALL) {
4625                 next_port = 0;
4626                 last_port = RTE_MAX_ETHPORTS - 1;
4627         } else {
4628                 next_port = last_port = port_id;
4629         }
4630
4631         rte_spinlock_lock(&eth_dev_cb_lock);
4632
4633         do {
4634                 dev = &rte_eth_devices[next_port];
4635
4636                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4637                         if (user_cb->cb_fn == cb_fn &&
4638                                 user_cb->cb_arg == cb_arg &&
4639                                 user_cb->event == event) {
4640                                 break;
4641                         }
4642                 }
4643
4644                 /* create a new callback. */
4645                 if (user_cb == NULL) {
4646                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4647                                 sizeof(struct rte_eth_dev_callback), 0);
4648                         if (user_cb != NULL) {
4649                                 user_cb->cb_fn = cb_fn;
4650                                 user_cb->cb_arg = cb_arg;
4651                                 user_cb->event = event;
4652                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4653                                                   user_cb, next);
4654                         } else {
4655                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4656                                 rte_eth_dev_callback_unregister(port_id, event,
4657                                                                 cb_fn, cb_arg);
4658                                 return -ENOMEM;
4659                         }
4660
4661                 }
4662         } while (++next_port <= last_port);
4663
4664         rte_spinlock_unlock(&eth_dev_cb_lock);
4665         return 0;
4666 }
4667
4668 int
4669 rte_eth_dev_callback_unregister(uint16_t port_id,
4670                         enum rte_eth_event_type event,
4671                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4672 {
4673         int ret;
4674         struct rte_eth_dev *dev;
4675         struct rte_eth_dev_callback *cb, *next;
4676         uint16_t next_port;
4677         uint16_t last_port;
4678
4679         if (cb_fn == NULL) {
4680                 RTE_ETHDEV_LOG(ERR,
4681                         "Cannot unregister ethdev port %u callback from NULL\n",
4682                         port_id);
4683                 return -EINVAL;
4684         }
4685
4686         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4687                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4688                 return -EINVAL;
4689         }
4690
4691         if (port_id == RTE_ETH_ALL) {
4692                 next_port = 0;
4693                 last_port = RTE_MAX_ETHPORTS - 1;
4694         } else {
4695                 next_port = last_port = port_id;
4696         }
4697
4698         rte_spinlock_lock(&eth_dev_cb_lock);
4699
4700         do {
4701                 dev = &rte_eth_devices[next_port];
4702                 ret = 0;
4703                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4704                      cb = next) {
4705
4706                         next = TAILQ_NEXT(cb, next);
4707
4708                         if (cb->cb_fn != cb_fn || cb->event != event ||
4709                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4710                                 continue;
4711
4712                         /*
4713                          * if this callback is not executing right now,
4714                          * then remove it.
4715                          */
4716                         if (cb->active == 0) {
4717                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4718                                 rte_free(cb);
4719                         } else {
4720                                 ret = -EAGAIN;
4721                         }
4722                 }
4723         } while (++next_port <= last_port);
4724
4725         rte_spinlock_unlock(&eth_dev_cb_lock);
4726         return ret;
4727 }
4728
4729 int
4730 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4731         enum rte_eth_event_type event, void *ret_param)
4732 {
4733         struct rte_eth_dev_callback *cb_lst;
4734         struct rte_eth_dev_callback dev_cb;
4735         int rc = 0;
4736
4737         rte_spinlock_lock(&eth_dev_cb_lock);
4738         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4739                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4740                         continue;
4741                 dev_cb = *cb_lst;
4742                 cb_lst->active = 1;
4743                 if (ret_param != NULL)
4744                         dev_cb.ret_param = ret_param;
4745
4746                 rte_spinlock_unlock(&eth_dev_cb_lock);
4747                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4748                                 dev_cb.cb_arg, dev_cb.ret_param);
4749                 rte_spinlock_lock(&eth_dev_cb_lock);
4750                 cb_lst->active = 0;
4751         }
4752         rte_spinlock_unlock(&eth_dev_cb_lock);
4753         return rc;
4754 }
4755
4756 void
4757 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4758 {
4759         if (dev == NULL)
4760                 return;
4761
4762         /*
4763          * for secondary process, at that point we expect device
4764          * to be already 'usable', so shared data and all function pointers
4765          * for fast-path devops have to be setup properly inside rte_eth_dev.
4766          */
4767         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4768                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4769
4770         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4771
4772         dev->state = RTE_ETH_DEV_ATTACHED;
4773 }
4774
4775 int
4776 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4777 {
4778         uint32_t vec;
4779         struct rte_eth_dev *dev;
4780         struct rte_intr_handle *intr_handle;
4781         uint16_t qid;
4782         int rc;
4783
4784         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4785         dev = &rte_eth_devices[port_id];
4786
4787         if (!dev->intr_handle) {
4788                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
4789                 return -ENOTSUP;
4790         }
4791
4792         intr_handle = dev->intr_handle;
4793         if (!intr_handle->intr_vec) {
4794                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
4795                 return -EPERM;
4796         }
4797
4798         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4799                 vec = intr_handle->intr_vec[qid];
4800                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4801                 if (rc && rc != -EEXIST) {
4802                         RTE_ETHDEV_LOG(ERR,
4803                                 "p %u q %u Rx ctl error op %d epfd %d vec %u\n",
4804                                 port_id, qid, op, epfd, vec);
4805                 }
4806         }
4807
4808         return 0;
4809 }
4810
4811 int
4812 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4813 {
4814         struct rte_intr_handle *intr_handle;
4815         struct rte_eth_dev *dev;
4816         unsigned int efd_idx;
4817         uint32_t vec;
4818         int fd;
4819
4820         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4821         dev = &rte_eth_devices[port_id];
4822
4823         if (queue_id >= dev->data->nb_rx_queues) {
4824                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
4825                 return -1;
4826         }
4827
4828         if (!dev->intr_handle) {
4829                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
4830                 return -1;
4831         }
4832
4833         intr_handle = dev->intr_handle;
4834         if (!intr_handle->intr_vec) {
4835                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
4836                 return -1;
4837         }
4838
4839         vec = intr_handle->intr_vec[queue_id];
4840         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4841                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4842         fd = intr_handle->efds[efd_idx];
4843
4844         return fd;
4845 }
4846
4847 static inline int
4848 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4849                 const char *ring_name)
4850 {
4851         return snprintf(name, len, "eth_p%d_q%d_%s",
4852                         port_id, queue_id, ring_name);
4853 }
4854
4855 const struct rte_memzone *
4856 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4857                          uint16_t queue_id, size_t size, unsigned align,
4858                          int socket_id)
4859 {
4860         char z_name[RTE_MEMZONE_NAMESIZE];
4861         const struct rte_memzone *mz;
4862         int rc;
4863
4864         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4865                         queue_id, ring_name);
4866         if (rc >= RTE_MEMZONE_NAMESIZE) {
4867                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4868                 rte_errno = ENAMETOOLONG;
4869                 return NULL;
4870         }
4871
4872         mz = rte_memzone_lookup(z_name);
4873         if (mz) {
4874                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4875                                 size > mz->len ||
4876                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4877                         RTE_ETHDEV_LOG(ERR,
4878                                 "memzone %s does not justify the requested attributes\n",
4879                                 mz->name);
4880                         return NULL;
4881                 }
4882
4883                 return mz;
4884         }
4885
4886         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4887                         RTE_MEMZONE_IOVA_CONTIG, align);
4888 }
4889
4890 int
4891 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4892                 uint16_t queue_id)
4893 {
4894         char z_name[RTE_MEMZONE_NAMESIZE];
4895         const struct rte_memzone *mz;
4896         int rc = 0;
4897
4898         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4899                         queue_id, ring_name);
4900         if (rc >= RTE_MEMZONE_NAMESIZE) {
4901                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4902                 return -ENAMETOOLONG;
4903         }
4904
4905         mz = rte_memzone_lookup(z_name);
4906         if (mz)
4907                 rc = rte_memzone_free(mz);
4908         else
4909                 rc = -ENOENT;
4910
4911         return rc;
4912 }
4913
4914 int
4915 rte_eth_dev_create(struct rte_device *device, const char *name,
4916         size_t priv_data_size,
4917         ethdev_bus_specific_init ethdev_bus_specific_init,
4918         void *bus_init_params,
4919         ethdev_init_t ethdev_init, void *init_params)
4920 {
4921         struct rte_eth_dev *ethdev;
4922         int retval;
4923
4924         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4925
4926         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4927                 ethdev = rte_eth_dev_allocate(name);
4928                 if (!ethdev)
4929                         return -ENODEV;
4930
4931                 if (priv_data_size) {
4932                         ethdev->data->dev_private = rte_zmalloc_socket(
4933                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4934                                 device->numa_node);
4935
4936                         if (!ethdev->data->dev_private) {
4937                                 RTE_ETHDEV_LOG(ERR,
4938                                         "failed to allocate private data\n");
4939                                 retval = -ENOMEM;
4940                                 goto probe_failed;
4941                         }
4942                 }
4943         } else {
4944                 ethdev = rte_eth_dev_attach_secondary(name);
4945                 if (!ethdev) {
4946                         RTE_ETHDEV_LOG(ERR,
4947                                 "secondary process attach failed, ethdev doesn't exist\n");
4948                         return  -ENODEV;
4949                 }
4950         }
4951
4952         ethdev->device = device;
4953
4954         if (ethdev_bus_specific_init) {
4955                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4956                 if (retval) {
4957                         RTE_ETHDEV_LOG(ERR,
4958                                 "ethdev bus specific initialisation failed\n");
4959                         goto probe_failed;
4960                 }
4961         }
4962
4963         retval = ethdev_init(ethdev, init_params);
4964         if (retval) {
4965                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4966                 goto probe_failed;
4967         }
4968
4969         rte_eth_dev_probing_finish(ethdev);
4970
4971         return retval;
4972
4973 probe_failed:
4974         rte_eth_dev_release_port(ethdev);
4975         return retval;
4976 }
4977
4978 int
4979 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4980         ethdev_uninit_t ethdev_uninit)
4981 {
4982         int ret;
4983
4984         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4985         if (!ethdev)
4986                 return -ENODEV;
4987
4988         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4989
4990         ret = ethdev_uninit(ethdev);
4991         if (ret)
4992                 return ret;
4993
4994         return rte_eth_dev_release_port(ethdev);
4995 }
4996
4997 int
4998 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4999                           int epfd, int op, void *data)
5000 {
5001         uint32_t vec;
5002         struct rte_eth_dev *dev;
5003         struct rte_intr_handle *intr_handle;
5004         int rc;
5005
5006         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5007         dev = &rte_eth_devices[port_id];
5008
5009         if (queue_id >= dev->data->nb_rx_queues) {
5010                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5011                 return -EINVAL;
5012         }
5013
5014         if (!dev->intr_handle) {
5015                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
5016                 return -ENOTSUP;
5017         }
5018
5019         intr_handle = dev->intr_handle;
5020         if (!intr_handle->intr_vec) {
5021                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
5022                 return -EPERM;
5023         }
5024
5025         vec = intr_handle->intr_vec[queue_id];
5026         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5027         if (rc && rc != -EEXIST) {
5028                 RTE_ETHDEV_LOG(ERR,
5029                         "p %u q %u Rx ctl error op %d epfd %d vec %u\n",
5030                         port_id, queue_id, op, epfd, vec);
5031                 return rc;
5032         }
5033
5034         return 0;
5035 }
5036
5037 int
5038 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5039                            uint16_t queue_id)
5040 {
5041         struct rte_eth_dev *dev;
5042         int ret;
5043
5044         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5045         dev = &rte_eth_devices[port_id];
5046
5047         ret = eth_dev_validate_rx_queue(dev, queue_id);
5048         if (ret != 0)
5049                 return ret;
5050
5051         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5052         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5053 }
5054
5055 int
5056 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5057                             uint16_t queue_id)
5058 {
5059         struct rte_eth_dev *dev;
5060         int ret;
5061
5062         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5063         dev = &rte_eth_devices[port_id];
5064
5065         ret = eth_dev_validate_rx_queue(dev, queue_id);
5066         if (ret != 0)
5067                 return ret;
5068
5069         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5070         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5071 }
5072
5073
5074 const struct rte_eth_rxtx_callback *
5075 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5076                 rte_rx_callback_fn fn, void *user_param)
5077 {
5078 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5079         rte_errno = ENOTSUP;
5080         return NULL;
5081 #endif
5082         struct rte_eth_dev *dev;
5083
5084         /* check input parameters */
5085         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5086                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5087                 rte_errno = EINVAL;
5088                 return NULL;
5089         }
5090         dev = &rte_eth_devices[port_id];
5091         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5092                 rte_errno = EINVAL;
5093                 return NULL;
5094         }
5095         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5096
5097         if (cb == NULL) {
5098                 rte_errno = ENOMEM;
5099                 return NULL;
5100         }
5101
5102         cb->fn.rx = fn;
5103         cb->param = user_param;
5104
5105         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5106         /* Add the callbacks in fifo order. */
5107         struct rte_eth_rxtx_callback *tail =
5108                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5109
5110         if (!tail) {
5111                 /* Stores to cb->fn and cb->param should complete before
5112                  * cb is visible to data plane.
5113                  */
5114                 __atomic_store_n(
5115                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5116                         cb, __ATOMIC_RELEASE);
5117
5118         } else {
5119                 while (tail->next)
5120                         tail = tail->next;
5121                 /* Stores to cb->fn and cb->param should complete before
5122                  * cb is visible to data plane.
5123                  */
5124                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5125         }
5126         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5127
5128         return cb;
5129 }
5130
5131 const struct rte_eth_rxtx_callback *
5132 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5133                 rte_rx_callback_fn fn, void *user_param)
5134 {
5135 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5136         rte_errno = ENOTSUP;
5137         return NULL;
5138 #endif
5139         /* check input parameters */
5140         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5141                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5142                 rte_errno = EINVAL;
5143                 return NULL;
5144         }
5145
5146         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5147
5148         if (cb == NULL) {
5149                 rte_errno = ENOMEM;
5150                 return NULL;
5151         }
5152
5153         cb->fn.rx = fn;
5154         cb->param = user_param;
5155
5156         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5157         /* Add the callbacks at first position */
5158         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5159         /* Stores to cb->fn, cb->param and cb->next should complete before
5160          * cb is visible to data plane threads.
5161          */
5162         __atomic_store_n(
5163                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5164                 cb, __ATOMIC_RELEASE);
5165         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5166
5167         return cb;
5168 }
5169
5170 const struct rte_eth_rxtx_callback *
5171 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5172                 rte_tx_callback_fn fn, void *user_param)
5173 {
5174 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5175         rte_errno = ENOTSUP;
5176         return NULL;
5177 #endif
5178         struct rte_eth_dev *dev;
5179
5180         /* check input parameters */
5181         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5182                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5183                 rte_errno = EINVAL;
5184                 return NULL;
5185         }
5186
5187         dev = &rte_eth_devices[port_id];
5188         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5189                 rte_errno = EINVAL;
5190                 return NULL;
5191         }
5192
5193         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5194
5195         if (cb == NULL) {
5196                 rte_errno = ENOMEM;
5197                 return NULL;
5198         }
5199
5200         cb->fn.tx = fn;
5201         cb->param = user_param;
5202
5203         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5204         /* Add the callbacks in fifo order. */
5205         struct rte_eth_rxtx_callback *tail =
5206                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5207
5208         if (!tail) {
5209                 /* Stores to cb->fn and cb->param should complete before
5210                  * cb is visible to data plane.
5211                  */
5212                 __atomic_store_n(
5213                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5214                         cb, __ATOMIC_RELEASE);
5215
5216         } else {
5217                 while (tail->next)
5218                         tail = tail->next;
5219                 /* Stores to cb->fn and cb->param should complete before
5220                  * cb is visible to data plane.
5221                  */
5222                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5223         }
5224         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5225
5226         return cb;
5227 }
5228
5229 int
5230 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5231                 const struct rte_eth_rxtx_callback *user_cb)
5232 {
5233 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5234         return -ENOTSUP;
5235 #endif
5236         /* Check input parameters. */
5237         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5238         if (user_cb == NULL ||
5239                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5240                 return -EINVAL;
5241
5242         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5243         struct rte_eth_rxtx_callback *cb;
5244         struct rte_eth_rxtx_callback **prev_cb;
5245         int ret = -EINVAL;
5246
5247         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5248         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5249         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5250                 cb = *prev_cb;
5251                 if (cb == user_cb) {
5252                         /* Remove the user cb from the callback list. */
5253                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5254                         ret = 0;
5255                         break;
5256                 }
5257         }
5258         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5259
5260         return ret;
5261 }
5262
5263 int
5264 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5265                 const struct rte_eth_rxtx_callback *user_cb)
5266 {
5267 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5268         return -ENOTSUP;
5269 #endif
5270         /* Check input parameters. */
5271         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5272         if (user_cb == NULL ||
5273                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5274                 return -EINVAL;
5275
5276         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5277         int ret = -EINVAL;
5278         struct rte_eth_rxtx_callback *cb;
5279         struct rte_eth_rxtx_callback **prev_cb;
5280
5281         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5282         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5283         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5284                 cb = *prev_cb;
5285                 if (cb == user_cb) {
5286                         /* Remove the user cb from the callback list. */
5287                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5288                         ret = 0;
5289                         break;
5290                 }
5291         }
5292         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5293
5294         return ret;
5295 }
5296
5297 int
5298 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5299         struct rte_eth_rxq_info *qinfo)
5300 {
5301         struct rte_eth_dev *dev;
5302
5303         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5304         dev = &rte_eth_devices[port_id];
5305
5306         if (queue_id >= dev->data->nb_rx_queues) {
5307                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5308                 return -EINVAL;
5309         }
5310
5311         if (qinfo == NULL) {
5312                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5313                         port_id, queue_id);
5314                 return -EINVAL;
5315         }
5316
5317         if (dev->data->rx_queues == NULL ||
5318                         dev->data->rx_queues[queue_id] == NULL) {
5319                 RTE_ETHDEV_LOG(ERR,
5320                                "Rx queue %"PRIu16" of device with port_id=%"
5321                                PRIu16" has not been setup\n",
5322                                queue_id, port_id);
5323                 return -EINVAL;
5324         }
5325
5326         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5327                 RTE_ETHDEV_LOG(INFO,
5328                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5329                         queue_id, port_id);
5330                 return -EINVAL;
5331         }
5332
5333         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5334
5335         memset(qinfo, 0, sizeof(*qinfo));
5336         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5337         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5338
5339         return 0;
5340 }
5341
5342 int
5343 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5344         struct rte_eth_txq_info *qinfo)
5345 {
5346         struct rte_eth_dev *dev;
5347
5348         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5349         dev = &rte_eth_devices[port_id];
5350
5351         if (queue_id >= dev->data->nb_tx_queues) {
5352                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", queue_id);
5353                 return -EINVAL;
5354         }
5355
5356         if (qinfo == NULL) {
5357                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5358                         port_id, queue_id);
5359                 return -EINVAL;
5360         }
5361
5362         if (dev->data->tx_queues == NULL ||
5363                         dev->data->tx_queues[queue_id] == NULL) {
5364                 RTE_ETHDEV_LOG(ERR,
5365                                "Tx queue %"PRIu16" of device with port_id=%"
5366                                PRIu16" has not been setup\n",
5367                                queue_id, port_id);
5368                 return -EINVAL;
5369         }
5370
5371         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5372                 RTE_ETHDEV_LOG(INFO,
5373                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5374                         queue_id, port_id);
5375                 return -EINVAL;
5376         }
5377
5378         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5379
5380         memset(qinfo, 0, sizeof(*qinfo));
5381         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5382         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5383
5384         return 0;
5385 }
5386
5387 int
5388 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5389                           struct rte_eth_burst_mode *mode)
5390 {
5391         struct rte_eth_dev *dev;
5392
5393         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5394         dev = &rte_eth_devices[port_id];
5395
5396         if (queue_id >= dev->data->nb_rx_queues) {
5397                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5398                 return -EINVAL;
5399         }
5400
5401         if (mode == NULL) {
5402                 RTE_ETHDEV_LOG(ERR,
5403                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5404                         port_id, queue_id);
5405                 return -EINVAL;
5406         }
5407
5408         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5409         memset(mode, 0, sizeof(*mode));
5410         return eth_err(port_id,
5411                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5412 }
5413
5414 int
5415 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5416                           struct rte_eth_burst_mode *mode)
5417 {
5418         struct rte_eth_dev *dev;
5419
5420         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5421         dev = &rte_eth_devices[port_id];
5422
5423         if (queue_id >= dev->data->nb_tx_queues) {
5424                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", queue_id);
5425                 return -EINVAL;
5426         }
5427
5428         if (mode == NULL) {
5429                 RTE_ETHDEV_LOG(ERR,
5430                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5431                         port_id, queue_id);
5432                 return -EINVAL;
5433         }
5434
5435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5436         memset(mode, 0, sizeof(*mode));
5437         return eth_err(port_id,
5438                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5439 }
5440
5441 int
5442 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5443                 struct rte_power_monitor_cond *pmc)
5444 {
5445         struct rte_eth_dev *dev;
5446
5447         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5448         dev = &rte_eth_devices[port_id];
5449
5450         if (queue_id >= dev->data->nb_rx_queues) {
5451                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5452                 return -EINVAL;
5453         }
5454
5455         if (pmc == NULL) {
5456                 RTE_ETHDEV_LOG(ERR,
5457                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5458                         port_id, queue_id);
5459                 return -EINVAL;
5460         }
5461
5462         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5463         return eth_err(port_id,
5464                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5465 }
5466
5467 int
5468 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5469                              struct rte_ether_addr *mc_addr_set,
5470                              uint32_t nb_mc_addr)
5471 {
5472         struct rte_eth_dev *dev;
5473
5474         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5475         dev = &rte_eth_devices[port_id];
5476
5477         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5478         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5479                                                 mc_addr_set, nb_mc_addr));
5480 }
5481
5482 int
5483 rte_eth_timesync_enable(uint16_t port_id)
5484 {
5485         struct rte_eth_dev *dev;
5486
5487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5488         dev = &rte_eth_devices[port_id];
5489
5490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5491         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5492 }
5493
5494 int
5495 rte_eth_timesync_disable(uint16_t port_id)
5496 {
5497         struct rte_eth_dev *dev;
5498
5499         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5500         dev = &rte_eth_devices[port_id];
5501
5502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5503         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5504 }
5505
5506 int
5507 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5508                                    uint32_t flags)
5509 {
5510         struct rte_eth_dev *dev;
5511
5512         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5513         dev = &rte_eth_devices[port_id];
5514
5515         if (timestamp == NULL) {
5516                 RTE_ETHDEV_LOG(ERR,
5517                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5518                         port_id);
5519                 return -EINVAL;
5520         }
5521
5522         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5523         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5524                                 (dev, timestamp, flags));
5525 }
5526
5527 int
5528 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5529                                    struct timespec *timestamp)
5530 {
5531         struct rte_eth_dev *dev;
5532
5533         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5534         dev = &rte_eth_devices[port_id];
5535
5536         if (timestamp == NULL) {
5537                 RTE_ETHDEV_LOG(ERR,
5538                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5539                         port_id);
5540                 return -EINVAL;
5541         }
5542
5543         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5544         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5545                                 (dev, timestamp));
5546 }
5547
5548 int
5549 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5550 {
5551         struct rte_eth_dev *dev;
5552
5553         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5554         dev = &rte_eth_devices[port_id];
5555
5556         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5557         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5558 }
5559
5560 int
5561 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5562 {
5563         struct rte_eth_dev *dev;
5564
5565         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5566         dev = &rte_eth_devices[port_id];
5567
5568         if (timestamp == NULL) {
5569                 RTE_ETHDEV_LOG(ERR,
5570                         "Cannot read ethdev port %u timesync time to NULL\n",
5571                         port_id);
5572                 return -EINVAL;
5573         }
5574
5575         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5576         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5577                                                                 timestamp));
5578 }
5579
5580 int
5581 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5582 {
5583         struct rte_eth_dev *dev;
5584
5585         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5586         dev = &rte_eth_devices[port_id];
5587
5588         if (timestamp == NULL) {
5589                 RTE_ETHDEV_LOG(ERR,
5590                         "Cannot write ethdev port %u timesync from NULL time\n",
5591                         port_id);
5592                 return -EINVAL;
5593         }
5594
5595         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5596         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5597                                                                 timestamp));
5598 }
5599
5600 int
5601 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5602 {
5603         struct rte_eth_dev *dev;
5604
5605         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5606         dev = &rte_eth_devices[port_id];
5607
5608         if (clock == NULL) {
5609                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5610                         port_id);
5611                 return -EINVAL;
5612         }
5613
5614         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5615         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5616 }
5617
5618 int
5619 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5620 {
5621         struct rte_eth_dev *dev;
5622
5623         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5624         dev = &rte_eth_devices[port_id];
5625
5626         if (info == NULL) {
5627                 RTE_ETHDEV_LOG(ERR,
5628                         "Cannot get ethdev port %u register info to NULL\n",
5629                         port_id);
5630                 return -EINVAL;
5631         }
5632
5633         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5634         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5635 }
5636
5637 int
5638 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5639 {
5640         struct rte_eth_dev *dev;
5641
5642         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5643         dev = &rte_eth_devices[port_id];
5644
5645         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5646         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5647 }
5648
5649 int
5650 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5651 {
5652         struct rte_eth_dev *dev;
5653
5654         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5655         dev = &rte_eth_devices[port_id];
5656
5657         if (info == NULL) {
5658                 RTE_ETHDEV_LOG(ERR,
5659                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5660                         port_id);
5661                 return -EINVAL;
5662         }
5663
5664         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5665         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5666 }
5667
5668 int
5669 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5670 {
5671         struct rte_eth_dev *dev;
5672
5673         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5674         dev = &rte_eth_devices[port_id];
5675
5676         if (info == NULL) {
5677                 RTE_ETHDEV_LOG(ERR,
5678                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5679                         port_id);
5680                 return -EINVAL;
5681         }
5682
5683         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5684         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5685 }
5686
5687 int
5688 rte_eth_dev_get_module_info(uint16_t port_id,
5689                             struct rte_eth_dev_module_info *modinfo)
5690 {
5691         struct rte_eth_dev *dev;
5692
5693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5694         dev = &rte_eth_devices[port_id];
5695
5696         if (modinfo == NULL) {
5697                 RTE_ETHDEV_LOG(ERR,
5698                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5699                         port_id);
5700                 return -EINVAL;
5701         }
5702
5703         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5704         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5705 }
5706
5707 int
5708 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5709                               struct rte_dev_eeprom_info *info)
5710 {
5711         struct rte_eth_dev *dev;
5712
5713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5714         dev = &rte_eth_devices[port_id];
5715
5716         if (info == NULL) {
5717                 RTE_ETHDEV_LOG(ERR,
5718                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5719                         port_id);
5720                 return -EINVAL;
5721         }
5722
5723         if (info->data == NULL) {
5724                 RTE_ETHDEV_LOG(ERR,
5725                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5726                         port_id);
5727                 return -EINVAL;
5728         }
5729
5730         if (info->length == 0) {
5731                 RTE_ETHDEV_LOG(ERR,
5732                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5733                         port_id);
5734                 return -EINVAL;
5735         }
5736
5737         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5738         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5739 }
5740
5741 int
5742 rte_eth_dev_get_dcb_info(uint16_t port_id,
5743                              struct rte_eth_dcb_info *dcb_info)
5744 {
5745         struct rte_eth_dev *dev;
5746
5747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5748         dev = &rte_eth_devices[port_id];
5749
5750         if (dcb_info == NULL) {
5751                 RTE_ETHDEV_LOG(ERR,
5752                         "Cannot get ethdev port %u DCB info to NULL\n",
5753                         port_id);
5754                 return -EINVAL;
5755         }
5756
5757         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5758
5759         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5760         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5761 }
5762
5763 static void
5764 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5765                 const struct rte_eth_desc_lim *desc_lim)
5766 {
5767         if (desc_lim->nb_align != 0)
5768                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5769
5770         if (desc_lim->nb_max != 0)
5771                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5772
5773         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5774 }
5775
5776 int
5777 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5778                                  uint16_t *nb_rx_desc,
5779                                  uint16_t *nb_tx_desc)
5780 {
5781         struct rte_eth_dev_info dev_info;
5782         int ret;
5783
5784         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5785
5786         ret = rte_eth_dev_info_get(port_id, &dev_info);
5787         if (ret != 0)
5788                 return ret;
5789
5790         if (nb_rx_desc != NULL)
5791                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5792
5793         if (nb_tx_desc != NULL)
5794                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5795
5796         return 0;
5797 }
5798
5799 int
5800 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5801                                    struct rte_eth_hairpin_cap *cap)
5802 {
5803         struct rte_eth_dev *dev;
5804
5805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5806         dev = &rte_eth_devices[port_id];
5807
5808         if (cap == NULL) {
5809                 RTE_ETHDEV_LOG(ERR,
5810                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5811                         port_id);
5812                 return -EINVAL;
5813         }
5814
5815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5816         memset(cap, 0, sizeof(*cap));
5817         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5818 }
5819
5820 int
5821 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5822 {
5823         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5824                 return 1;
5825         return 0;
5826 }
5827
5828 int
5829 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5830 {
5831         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5832                 return 1;
5833         return 0;
5834 }
5835
5836 int
5837 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5838 {
5839         struct rte_eth_dev *dev;
5840
5841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5842         dev = &rte_eth_devices[port_id];
5843
5844         if (pool == NULL) {
5845                 RTE_ETHDEV_LOG(ERR,
5846                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5847                         port_id);
5848                 return -EINVAL;
5849         }
5850
5851         if (*dev->dev_ops->pool_ops_supported == NULL)
5852                 return 1; /* all pools are supported */
5853
5854         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5855 }
5856
5857 /**
5858  * A set of values to describe the possible states of a switch domain.
5859  */
5860 enum rte_eth_switch_domain_state {
5861         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5862         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5863 };
5864
5865 /**
5866  * Array of switch domains available for allocation. Array is sized to
5867  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5868  * ethdev ports in a single process.
5869  */
5870 static struct rte_eth_dev_switch {
5871         enum rte_eth_switch_domain_state state;
5872 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5873
5874 int
5875 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5876 {
5877         uint16_t i;
5878
5879         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5880
5881         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5882                 if (eth_dev_switch_domains[i].state ==
5883                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5884                         eth_dev_switch_domains[i].state =
5885                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5886                         *domain_id = i;
5887                         return 0;
5888                 }
5889         }
5890
5891         return -ENOSPC;
5892 }
5893
5894 int
5895 rte_eth_switch_domain_free(uint16_t domain_id)
5896 {
5897         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5898                 domain_id >= RTE_MAX_ETHPORTS)
5899                 return -EINVAL;
5900
5901         if (eth_dev_switch_domains[domain_id].state !=
5902                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5903                 return -EINVAL;
5904
5905         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5906
5907         return 0;
5908 }
5909
5910 static int
5911 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5912 {
5913         int state;
5914         struct rte_kvargs_pair *pair;
5915         char *letter;
5916
5917         arglist->str = strdup(str_in);
5918         if (arglist->str == NULL)
5919                 return -ENOMEM;
5920
5921         letter = arglist->str;
5922         state = 0;
5923         arglist->count = 0;
5924         pair = &arglist->pairs[0];
5925         while (1) {
5926                 switch (state) {
5927                 case 0: /* Initial */
5928                         if (*letter == '=')
5929                                 return -EINVAL;
5930                         else if (*letter == '\0')
5931                                 return 0;
5932
5933                         state = 1;
5934                         pair->key = letter;
5935                         /* fall-thru */
5936
5937                 case 1: /* Parsing key */
5938                         if (*letter == '=') {
5939                                 *letter = '\0';
5940                                 pair->value = letter + 1;
5941                                 state = 2;
5942                         } else if (*letter == ',' || *letter == '\0')
5943                                 return -EINVAL;
5944                         break;
5945
5946
5947                 case 2: /* Parsing value */
5948                         if (*letter == '[')
5949                                 state = 3;
5950                         else if (*letter == ',') {
5951                                 *letter = '\0';
5952                                 arglist->count++;
5953                                 pair = &arglist->pairs[arglist->count];
5954                                 state = 0;
5955                         } else if (*letter == '\0') {
5956                                 letter--;
5957                                 arglist->count++;
5958                                 pair = &arglist->pairs[arglist->count];
5959                                 state = 0;
5960                         }
5961                         break;
5962
5963                 case 3: /* Parsing list */
5964                         if (*letter == ']')
5965                                 state = 2;
5966                         else if (*letter == '\0')
5967                                 return -EINVAL;
5968                         break;
5969                 }
5970                 letter++;
5971         }
5972 }
5973
5974 int
5975 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5976 {
5977         struct rte_kvargs args;
5978         struct rte_kvargs_pair *pair;
5979         unsigned int i;
5980         int result = 0;
5981
5982         memset(eth_da, 0, sizeof(*eth_da));
5983
5984         result = eth_dev_devargs_tokenise(&args, dargs);
5985         if (result < 0)
5986                 goto parse_cleanup;
5987
5988         for (i = 0; i < args.count; i++) {
5989                 pair = &args.pairs[i];
5990                 if (strcmp("representor", pair->key) == 0) {
5991                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5992                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5993                                         dargs);
5994                                 result = -1;
5995                                 goto parse_cleanup;
5996                         }
5997                         result = rte_eth_devargs_parse_representor_ports(
5998                                         pair->value, eth_da);
5999                         if (result < 0)
6000                                 goto parse_cleanup;
6001                 }
6002         }
6003
6004 parse_cleanup:
6005         if (args.str)
6006                 free(args.str);
6007
6008         return result;
6009 }
6010
6011 int
6012 rte_eth_representor_id_get(uint16_t port_id,
6013                            enum rte_eth_representor_type type,
6014                            int controller, int pf, int representor_port,
6015                            uint16_t *repr_id)
6016 {
6017         int ret, n, count;
6018         uint32_t i;
6019         struct rte_eth_representor_info *info = NULL;
6020         size_t size;
6021
6022         if (type == RTE_ETH_REPRESENTOR_NONE)
6023                 return 0;
6024         if (repr_id == NULL)
6025                 return -EINVAL;
6026
6027         /* Get PMD representor range info. */
6028         ret = rte_eth_representor_info_get(port_id, NULL);
6029         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6030             controller == -1 && pf == -1) {
6031                 /* Direct mapping for legacy VF representor. */
6032                 *repr_id = representor_port;
6033                 return 0;
6034         } else if (ret < 0) {
6035                 return ret;
6036         }
6037         n = ret;
6038         size = sizeof(*info) + n * sizeof(info->ranges[0]);
6039         info = calloc(1, size);
6040         if (info == NULL)
6041                 return -ENOMEM;
6042         info->nb_ranges_alloc = n;
6043         ret = rte_eth_representor_info_get(port_id, info);
6044         if (ret < 0)
6045                 goto out;
6046
6047         /* Default controller and pf to caller. */
6048         if (controller == -1)
6049                 controller = info->controller;
6050         if (pf == -1)
6051                 pf = info->pf;
6052
6053         /* Locate representor ID. */
6054         ret = -ENOENT;
6055         for (i = 0; i < info->nb_ranges; ++i) {
6056                 if (info->ranges[i].type != type)
6057                         continue;
6058                 if (info->ranges[i].controller != controller)
6059                         continue;
6060                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6061                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6062                                 port_id, info->ranges[i].id_base,
6063                                 info->ranges[i].id_end, i);
6064                         continue;
6065
6066                 }
6067                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6068                 switch (info->ranges[i].type) {
6069                 case RTE_ETH_REPRESENTOR_PF:
6070                         if (pf < info->ranges[i].pf ||
6071                             pf >= info->ranges[i].pf + count)
6072                                 continue;
6073                         *repr_id = info->ranges[i].id_base +
6074                                    (pf - info->ranges[i].pf);
6075                         ret = 0;
6076                         goto out;
6077                 case RTE_ETH_REPRESENTOR_VF:
6078                         if (info->ranges[i].pf != pf)
6079                                 continue;
6080                         if (representor_port < info->ranges[i].vf ||
6081                             representor_port >= info->ranges[i].vf + count)
6082                                 continue;
6083                         *repr_id = info->ranges[i].id_base +
6084                                    (representor_port - info->ranges[i].vf);
6085                         ret = 0;
6086                         goto out;
6087                 case RTE_ETH_REPRESENTOR_SF:
6088                         if (info->ranges[i].pf != pf)
6089                                 continue;
6090                         if (representor_port < info->ranges[i].sf ||
6091                             representor_port >= info->ranges[i].sf + count)
6092                                 continue;
6093                         *repr_id = info->ranges[i].id_base +
6094                               (representor_port - info->ranges[i].sf);
6095                         ret = 0;
6096                         goto out;
6097                 default:
6098                         break;
6099                 }
6100         }
6101 out:
6102         free(info);
6103         return ret;
6104 }
6105
6106 static int
6107 eth_dev_handle_port_list(const char *cmd __rte_unused,
6108                 const char *params __rte_unused,
6109                 struct rte_tel_data *d)
6110 {
6111         int port_id;
6112
6113         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6114         RTE_ETH_FOREACH_DEV(port_id)
6115                 rte_tel_data_add_array_int(d, port_id);
6116         return 0;
6117 }
6118
6119 static void
6120 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6121                 const char *stat_name)
6122 {
6123         int q;
6124         struct rte_tel_data *q_data = rte_tel_data_alloc();
6125         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6126         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6127                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6128         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6129 }
6130
6131 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6132
6133 static int
6134 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6135                 const char *params,
6136                 struct rte_tel_data *d)
6137 {
6138         struct rte_eth_stats stats;
6139         int port_id, ret;
6140
6141         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6142                 return -1;
6143
6144         port_id = atoi(params);
6145         if (!rte_eth_dev_is_valid_port(port_id))
6146                 return -1;
6147
6148         ret = rte_eth_stats_get(port_id, &stats);
6149         if (ret < 0)
6150                 return -1;
6151
6152         rte_tel_data_start_dict(d);
6153         ADD_DICT_STAT(stats, ipackets);
6154         ADD_DICT_STAT(stats, opackets);
6155         ADD_DICT_STAT(stats, ibytes);
6156         ADD_DICT_STAT(stats, obytes);
6157         ADD_DICT_STAT(stats, imissed);
6158         ADD_DICT_STAT(stats, ierrors);
6159         ADD_DICT_STAT(stats, oerrors);
6160         ADD_DICT_STAT(stats, rx_nombuf);
6161         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6162         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6163         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6164         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6165         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6166
6167         return 0;
6168 }
6169
6170 static int
6171 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6172                 const char *params,
6173                 struct rte_tel_data *d)
6174 {
6175         struct rte_eth_xstat *eth_xstats;
6176         struct rte_eth_xstat_name *xstat_names;
6177         int port_id, num_xstats;
6178         int i, ret;
6179         char *end_param;
6180
6181         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6182                 return -1;
6183
6184         port_id = strtoul(params, &end_param, 0);
6185         if (*end_param != '\0')
6186                 RTE_ETHDEV_LOG(NOTICE,
6187                         "Extra parameters passed to ethdev telemetry command, ignoring");
6188         if (!rte_eth_dev_is_valid_port(port_id))
6189                 return -1;
6190
6191         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6192         if (num_xstats < 0)
6193                 return -1;
6194
6195         /* use one malloc for both names and stats */
6196         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6197                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6198         if (eth_xstats == NULL)
6199                 return -1;
6200         xstat_names = (void *)&eth_xstats[num_xstats];
6201
6202         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6203         if (ret < 0 || ret > num_xstats) {
6204                 free(eth_xstats);
6205                 return -1;
6206         }
6207
6208         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6209         if (ret < 0 || ret > num_xstats) {
6210                 free(eth_xstats);
6211                 return -1;
6212         }
6213
6214         rte_tel_data_start_dict(d);
6215         for (i = 0; i < num_xstats; i++)
6216                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6217                                 eth_xstats[i].value);
6218         return 0;
6219 }
6220
6221 static int
6222 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6223                 const char *params,
6224                 struct rte_tel_data *d)
6225 {
6226         static const char *status_str = "status";
6227         int ret, port_id;
6228         struct rte_eth_link link;
6229         char *end_param;
6230
6231         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6232                 return -1;
6233
6234         port_id = strtoul(params, &end_param, 0);
6235         if (*end_param != '\0')
6236                 RTE_ETHDEV_LOG(NOTICE,
6237                         "Extra parameters passed to ethdev telemetry command, ignoring");
6238         if (!rte_eth_dev_is_valid_port(port_id))
6239                 return -1;
6240
6241         ret = rte_eth_link_get_nowait(port_id, &link);
6242         if (ret < 0)
6243                 return -1;
6244
6245         rte_tel_data_start_dict(d);
6246         if (!link.link_status) {
6247                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6248                 return 0;
6249         }
6250         rte_tel_data_add_dict_string(d, status_str, "UP");
6251         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6252         rte_tel_data_add_dict_string(d, "duplex",
6253                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6254                                 "full-duplex" : "half-duplex");
6255         return 0;
6256 }
6257
6258 static int
6259 eth_dev_handle_port_info(const char *cmd __rte_unused,
6260                 const char *params,
6261                 struct rte_tel_data *d)
6262 {
6263         struct rte_tel_data *rxq_state, *txq_state;
6264         char mac_addr[RTE_ETHER_ADDR_LEN];
6265         struct rte_eth_dev *eth_dev;
6266         char *end_param;
6267         int port_id, i;
6268
6269         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6270                 return -1;
6271
6272         port_id = strtoul(params, &end_param, 0);
6273         if (*end_param != '\0')
6274                 RTE_ETHDEV_LOG(NOTICE,
6275                         "Extra parameters passed to ethdev telemetry command, ignoring");
6276
6277         if (!rte_eth_dev_is_valid_port(port_id))
6278                 return -EINVAL;
6279
6280         eth_dev = &rte_eth_devices[port_id];
6281         if (!eth_dev)
6282                 return -EINVAL;
6283
6284         rxq_state = rte_tel_data_alloc();
6285         if (!rxq_state)
6286                 return -ENOMEM;
6287
6288         txq_state = rte_tel_data_alloc();
6289         if (!txq_state)
6290                 return -ENOMEM;
6291
6292         rte_tel_data_start_dict(d);
6293         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6294         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6295         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6296                         eth_dev->data->nb_rx_queues);
6297         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6298                         eth_dev->data->nb_tx_queues);
6299         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6300         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6301         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6302                         eth_dev->data->min_rx_buf_size);
6303         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6304                         eth_dev->data->rx_mbuf_alloc_failed);
6305         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6306                          eth_dev->data->mac_addrs->addr_bytes[0],
6307                          eth_dev->data->mac_addrs->addr_bytes[1],
6308                          eth_dev->data->mac_addrs->addr_bytes[2],
6309                          eth_dev->data->mac_addrs->addr_bytes[3],
6310                          eth_dev->data->mac_addrs->addr_bytes[4],
6311                          eth_dev->data->mac_addrs->addr_bytes[5]);
6312         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6313         rte_tel_data_add_dict_int(d, "promiscuous",
6314                         eth_dev->data->promiscuous);
6315         rte_tel_data_add_dict_int(d, "scattered_rx",
6316                         eth_dev->data->scattered_rx);
6317         rte_tel_data_add_dict_int(d, "all_multicast",
6318                         eth_dev->data->all_multicast);
6319         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6320         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6321         rte_tel_data_add_dict_int(d, "dev_configured",
6322                         eth_dev->data->dev_configured);
6323
6324         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6325         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6326                 rte_tel_data_add_array_int(rxq_state,
6327                                 eth_dev->data->rx_queue_state[i]);
6328
6329         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6330         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6331                 rte_tel_data_add_array_int(txq_state,
6332                                 eth_dev->data->tx_queue_state[i]);
6333
6334         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6335         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6336         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6337         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6338         rte_tel_data_add_dict_int(d, "rx_offloads",
6339                         eth_dev->data->dev_conf.rxmode.offloads);
6340         rte_tel_data_add_dict_int(d, "tx_offloads",
6341                         eth_dev->data->dev_conf.txmode.offloads);
6342         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6343                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6344
6345         return 0;
6346 }
6347
6348 int
6349 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6350                                   struct rte_hairpin_peer_info *cur_info,
6351                                   struct rte_hairpin_peer_info *peer_info,
6352                                   uint32_t direction)
6353 {
6354         struct rte_eth_dev *dev;
6355
6356         /* Current queue information is not mandatory. */
6357         if (peer_info == NULL)
6358                 return -EINVAL;
6359
6360         /* No need to check the validity again. */
6361         dev = &rte_eth_devices[peer_port];
6362         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6363                                 -ENOTSUP);
6364
6365         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6366                                         cur_info, peer_info, direction);
6367 }
6368
6369 int
6370 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6371                                 struct rte_hairpin_peer_info *peer_info,
6372                                 uint32_t direction)
6373 {
6374         struct rte_eth_dev *dev;
6375
6376         if (peer_info == NULL)
6377                 return -EINVAL;
6378
6379         /* No need to check the validity again. */
6380         dev = &rte_eth_devices[cur_port];
6381         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6382                                 -ENOTSUP);
6383
6384         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6385                                                         peer_info, direction);
6386 }
6387
6388 int
6389 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6390                                   uint32_t direction)
6391 {
6392         struct rte_eth_dev *dev;
6393
6394         /* No need to check the validity again. */
6395         dev = &rte_eth_devices[cur_port];
6396         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6397                                 -ENOTSUP);
6398
6399         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6400                                                           direction);
6401 }
6402
6403 int
6404 rte_eth_representor_info_get(uint16_t port_id,
6405                              struct rte_eth_representor_info *info)
6406 {
6407         struct rte_eth_dev *dev;
6408
6409         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6410         dev = &rte_eth_devices[port_id];
6411
6412         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6413         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6414 }
6415
6416 int
6417 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6418 {
6419         struct rte_eth_dev *dev;
6420
6421         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6422         dev = &rte_eth_devices[port_id];
6423
6424         if (dev->data->dev_configured != 0) {
6425                 RTE_ETHDEV_LOG(ERR,
6426                         "The port (ID=%"PRIu16") is already configured\n",
6427                         port_id);
6428                 return -EBUSY;
6429         }
6430
6431         if (features == NULL) {
6432                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6433                 return -EINVAL;
6434         }
6435
6436         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6437         return eth_err(port_id,
6438                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6439 }
6440
6441 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6442
6443 RTE_INIT(ethdev_init_telemetry)
6444 {
6445         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6446                         "Returns list of available ethdev ports. Takes no parameters");
6447         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6448                         "Returns the common stats for a port. Parameters: int port_id");
6449         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6450                         "Returns the extended stats for a port. Parameters: int port_id");
6451         rte_telemetry_register_cmd("/ethdev/link_status",
6452                         eth_dev_handle_port_link_status,
6453                         "Returns the link status for a port. Parameters: int port_id");
6454         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6455                         "Returns the device info for a port. Parameters: int port_id");
6456 }