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