lib/ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <ctype.h>
   6 #include <errno.h>
   7 #include <inttypes.h>
   8 #include <stdbool.h>
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <sys/queue.h>
  13
  14 #include <rte_byteorder.h>
  15 #include <rte_log.h>
  16 #include <rte_debug.h>
  17 #include <rte_interrupts.h>
  18 #include <rte_memory.h>
  19 #include <rte_memcpy.h>
  20 #include <rte_memzone.h>
  21 #include <rte_launch.h>
  22 #include <rte_eal.h>
  23 #include <rte_per_lcore.h>
  24 #include <rte_lcore.h>
  25 #include <rte_branch_prediction.h>
  26 #include <rte_common.h>
  27 #include <rte_mempool.h>
  28 #include <rte_malloc.h>
  29 #include <rte_mbuf.h>
  30 #include <rte_errno.h>
  31 #include <rte_spinlock.h>
  32 #include <rte_string_fns.h>
  33 #include <rte_kvargs.h>
  34 #include <rte_class.h>
  35 #include <rte_ether.h>
  36 #include <rte_telemetry.h>
  37
  38 #include "rte_ethdev_trace.h"
  39 #include "rte_ethdev.h"
  40 #include "ethdev_driver.h"
  41 #include "ethdev_profile.h"
  42 #include "ethdev_private.h"
  43
  44 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  45 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  46
  47 /* public fast-path API */
  48 struct rte_eth_fp_ops rte_eth_fp_ops[RTE_MAX_ETHPORTS];
  49
  50 /* spinlock for eth device callbacks */
  51 static rte_spinlock_t eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  52
  53 /* spinlock for add/remove Rx callbacks */
  54 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  55
  56 /* spinlock for add/remove Tx callbacks */
  57 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /* spinlock for shared data allocation */
  60 static rte_spinlock_t eth_dev_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62 /* store statistics names and its offset in stats structure  */
  63 struct rte_eth_xstats_name_off {
  64         char name[RTE_ETH_XSTATS_NAME_SIZE];
  65         unsigned offset;
  66 };
  67
  68 /* Shared memory between primary and secondary processes. */
  69 static struct {
  70         uint64_t next_owner_id;
  71         rte_spinlock_t ownership_lock;
  72         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  73 } *eth_dev_shared_data;
  74
  75 static const struct rte_eth_xstats_name_off eth_dev_stats_strings[] = {
  76         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  77         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  78         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  79         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  80         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  81         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  82         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  83         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  84                 rx_nombuf)},
  85 };
  86
  87 #define RTE_NB_STATS RTE_DIM(eth_dev_stats_strings)
  88
  89 static const struct rte_eth_xstats_name_off eth_dev_rxq_stats_strings[] = {
  90         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  91         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  92         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  93 };
  94
  95 #define RTE_NB_RXQ_STATS RTE_DIM(eth_dev_rxq_stats_strings)
  96
  97 static const struct rte_eth_xstats_name_off eth_dev_txq_stats_strings[] = {
  98         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
  99         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 100 };
 101 #define RTE_NB_TXQ_STATS RTE_DIM(eth_dev_txq_stats_strings)
 102
 103 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 104         { DEV_RX_OFFLOAD_##_name, #_name }
 105
 106 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)       \
 107         { RTE_ETH_RX_OFFLOAD_##_name, #_name }
 108
 109 static const struct {
 110         uint64_t offload;
 111         const char *name;
 112 } eth_dev_rx_offload_names[] = {
 113         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 114         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 115         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 116         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 118         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 119         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 120         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 122         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 123         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 124         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 125         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 126         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 127         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 128         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 129         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 130         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 131         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
 132 };
 133
 134 #undef RTE_RX_OFFLOAD_BIT2STR
 135 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
 136
 137 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 138         { DEV_TX_OFFLOAD_##_name, #_name }
 139
 140 static const struct {
 141         uint64_t offload;
 142         const char *name;
 143 } eth_dev_tx_offload_names[] = {
 144         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 145         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 152         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 153         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 158         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 159         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 160         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 161         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 162         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 164         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 165         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
 166 };
 167
 168 #undef RTE_TX_OFFLOAD_BIT2STR
 169
 170 /**
 171  * The user application callback description.
 172  *
 173  * It contains callback address to be registered by user application,
 174  * the pointer to the parameters for callback, and the event type.
 175  */
 176 struct rte_eth_dev_callback {
 177         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 178         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 179         void *cb_arg;                           /**< Parameter for callback */
 180         void *ret_param;                        /**< Return parameter */
 181         enum rte_eth_event_type event;          /**< Interrupt event type */
 182         uint32_t active;                        /**< Callback is executing */
 183 };
 184
 185 enum {
 186         STAT_QMAP_TX = 0,
 187         STAT_QMAP_RX
 188 };
 189
 190 int
 191 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 192 {
 193         int ret;
 194         struct rte_devargs devargs;
 195         const char *bus_param_key;
 196         char *bus_str = NULL;
 197         char *cls_str = NULL;
 198         int str_size;
 199
 200         if (iter == NULL) {
 201                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
 202                 return -EINVAL;
 203         }
 204
 205         if (devargs_str == NULL) {
 206                 RTE_ETHDEV_LOG(ERR,
 207                         "Cannot initialize iterator from NULL device description string\n");
 208                 return -EINVAL;
 209         }
 210
 211         memset(iter, 0, sizeof(*iter));
 212         memset(&devargs, 0, sizeof(devargs));
 213
 214         /*
 215          * The devargs string may use various syntaxes:
 216          *   - 0000:08:00.0,representor=[1-3]
 217          *   - pci:0000:06:00.0,representor=[0,5]
 218          *   - class=eth,mac=00:11:22:33:44:55
 219          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 220          */
 221
 222         /*
 223          * Handle pure class filter (i.e. without any bus-level argument),
 224          * from future new syntax.
 225          * rte_devargs_parse() is not yet supporting the new syntax,
 226          * that's why this simple case is temporarily parsed here.
 227          */
 228 #define iter_anybus_str "class=eth,"
 229         if (strncmp(devargs_str, iter_anybus_str,
 230                         strlen(iter_anybus_str)) == 0) {
 231                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 232                 goto end;
 233         }
 234
 235         /* Split bus, device and parameters. */
 236         ret = rte_devargs_parse(&devargs, devargs_str);
 237         if (ret != 0)
 238                 goto error;
 239
 240         /*
 241          * Assume parameters of old syntax can match only at ethdev level.
 242          * Extra parameters will be ignored, thanks to "+" prefix.
 243          */
 244         str_size = strlen(devargs.args) + 2;
 245         cls_str = malloc(str_size);
 246         if (cls_str == NULL) {
 247                 ret = -ENOMEM;
 248                 goto error;
 249         }
 250         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 251         if (ret != str_size - 1) {
 252                 ret = -EINVAL;
 253                 goto error;
 254         }
 255         iter->cls_str = cls_str;
 256
 257         iter->bus = devargs.bus;
 258         if (iter->bus->dev_iterate == NULL) {
 259                 ret = -ENOTSUP;
 260                 goto error;
 261         }
 262
 263         /* Convert bus args to new syntax for use with new API dev_iterate. */
 264         if ((strcmp(iter->bus->name, "vdev") == 0) ||
 265                 (strcmp(iter->bus->name, "fslmc") == 0) ||
 266                 (strcmp(iter->bus->name, "dpaa_bus") == 0)) {
 267                 bus_param_key = "name";
 268         } else if (strcmp(iter->bus->name, "pci") == 0) {
 269                 bus_param_key = "addr";
 270         } else {
 271                 ret = -ENOTSUP;
 272                 goto error;
 273         }
 274         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 275         bus_str = malloc(str_size);
 276         if (bus_str == NULL) {
 277                 ret = -ENOMEM;
 278                 goto error;
 279         }
 280         ret = snprintf(bus_str, str_size, "%s=%s",
 281                         bus_param_key, devargs.name);
 282         if (ret != str_size - 1) {
 283                 ret = -EINVAL;
 284                 goto error;
 285         }
 286         iter->bus_str = bus_str;
 287
 288 end:
 289         iter->cls = rte_class_find_by_name("eth");
 290         rte_devargs_reset(&devargs);
 291         return 0;
 292
 293 error:
 294         if (ret == -ENOTSUP)
 295                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
 296                                 iter->bus->name);
 297         rte_devargs_reset(&devargs);
 298         free(bus_str);
 299         free(cls_str);
 300         return ret;
 301 }
 302
 303 uint16_t
 304 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 305 {
 306         if (iter == NULL) {
 307                 RTE_ETHDEV_LOG(ERR,
 308                         "Cannot get next device from NULL iterator\n");
 309                 return RTE_MAX_ETHPORTS;
 310         }
 311
 312         if (iter->cls == NULL) /* invalid ethdev iterator */
 313                 return RTE_MAX_ETHPORTS;
 314
 315         do { /* loop to try all matching rte_device */
 316                 /* If not pure ethdev filter and */
 317                 if (iter->bus != NULL &&
 318                                 /* not in middle of rte_eth_dev iteration, */
 319                                 iter->class_device == NULL) {
 320                         /* get next rte_device to try. */
 321                         iter->device = iter->bus->dev_iterate(
 322                                         iter->device, iter->bus_str, iter);
 323                         if (iter->device == NULL)
 324                                 break; /* no more rte_device candidate */
 325                 }
 326                 /* A device is matching bus part, need to check ethdev part. */
 327                 iter->class_device = iter->cls->dev_iterate(
 328                                 iter->class_device, iter->cls_str, iter);
 329                 if (iter->class_device != NULL)
 330                         return eth_dev_to_id(iter->class_device); /* match */
 331         } while (iter->bus != NULL); /* need to try next rte_device */
 332
 333         /* No more ethdev port to iterate. */
 334         rte_eth_iterator_cleanup(iter);
 335         return RTE_MAX_ETHPORTS;
 336 }
 337
 338 void
 339 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 340 {
 341         if (iter == NULL) {
 342                 RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
 343                 return;
 344         }
 345
 346         if (iter->bus_str == NULL)
 347                 return; /* nothing to free in pure class filter */
 348         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 349         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 350         memset(iter, 0, sizeof(*iter));
 351 }
 352
 353 uint16_t
 354 rte_eth_find_next(uint16_t port_id)
 355 {
 356         while (port_id < RTE_MAX_ETHPORTS &&
 357                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
 358                 port_id++;
 359
 360         if (port_id >= RTE_MAX_ETHPORTS)
 361                 return RTE_MAX_ETHPORTS;
 362
 363         return port_id;
 364 }
 365
 366 /*
 367  * Macro to iterate over all valid ports for internal usage.
 368  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
 369  */
 370 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
 371         for (port_id = rte_eth_find_next(0); \
 372              port_id < RTE_MAX_ETHPORTS; \
 373              port_id = rte_eth_find_next(port_id + 1))
 374
 375 uint16_t
 376 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
 377 {
 378         port_id = rte_eth_find_next(port_id);
 379         while (port_id < RTE_MAX_ETHPORTS &&
 380                         rte_eth_devices[port_id].device != parent)
 381                 port_id = rte_eth_find_next(port_id + 1);
 382
 383         return port_id;
 384 }
 385
 386 uint16_t
 387 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
 388 {
 389         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
 390         return rte_eth_find_next_of(port_id,
 391                         rte_eth_devices[ref_port_id].device);
 392 }
 393
 394 static void
 395 eth_dev_shared_data_prepare(void)
 396 {
 397         const unsigned flags = 0;
 398         const struct rte_memzone *mz;
 399
 400         rte_spinlock_lock(&eth_dev_shared_data_lock);
 401
 402         if (eth_dev_shared_data == NULL) {
 403                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 404                         /* Allocate port data and ownership shared memory. */
 405                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 406                                         sizeof(*eth_dev_shared_data),
 407                                         rte_socket_id(), flags);
 408                 } else
 409                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 410                 if (mz == NULL)
 411                         rte_panic("Cannot allocate ethdev shared data\n");
 412
 413                 eth_dev_shared_data = mz->addr;
 414                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 415                         eth_dev_shared_data->next_owner_id =
 416                                         RTE_ETH_DEV_NO_OWNER + 1;
 417                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
 418                         memset(eth_dev_shared_data->data, 0,
 419                                sizeof(eth_dev_shared_data->data));
 420                 }
 421         }
 422
 423         rte_spinlock_unlock(&eth_dev_shared_data_lock);
 424 }
 425
 426 static bool
 427 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
 428 {
 429         return ethdev->data->name[0] != '\0';
 430 }
 431
 432 static struct rte_eth_dev *
 433 eth_dev_allocated(const char *name)
 434 {
 435         uint16_t i;
 436
 437         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
 438
 439         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 440                 if (rte_eth_devices[i].data != NULL &&
 441                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 442                         return &rte_eth_devices[i];
 443         }
 444         return NULL;
 445 }
 446
 447 struct rte_eth_dev *
 448 rte_eth_dev_allocated(const char *name)
 449 {
 450         struct rte_eth_dev *ethdev;
 451
 452         eth_dev_shared_data_prepare();
 453
 454         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 455
 456         ethdev = eth_dev_allocated(name);
 457
 458         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 459
 460         return ethdev;
 461 }
 462
 463 static uint16_t
 464 eth_dev_find_free_port(void)
 465 {
 466         uint16_t i;
 467
 468         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 469                 /* Using shared name field to find a free port. */
 470                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
 471                         RTE_ASSERT(rte_eth_devices[i].state ==
 472                                    RTE_ETH_DEV_UNUSED);
 473                         return i;
 474                 }
 475         }
 476         return RTE_MAX_ETHPORTS;
 477 }
 478
 479 static struct rte_eth_dev *
 480 eth_dev_get(uint16_t port_id)
 481 {
 482         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 483
 484         eth_dev->data = &eth_dev_shared_data->data[port_id];
 485
 486         return eth_dev;
 487 }
 488
 489 struct rte_eth_dev *
 490 rte_eth_dev_allocate(const char *name)
 491 {
 492         uint16_t port_id;
 493         struct rte_eth_dev *eth_dev = NULL;
 494         size_t name_len;
 495
 496         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
 497         if (name_len == 0) {
 498                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
 499                 return NULL;
 500         }
 501
 502         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
 503                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
 504                 return NULL;
 505         }
 506
 507         eth_dev_shared_data_prepare();
 508
 509         /* Synchronize port creation between primary and secondary threads. */
 510         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 511
 512         if (eth_dev_allocated(name) != NULL) {
 513                 RTE_ETHDEV_LOG(ERR,
 514                         "Ethernet device with name %s already allocated\n",
 515                         name);
 516                 goto unlock;
 517         }
 518
 519         port_id = eth_dev_find_free_port();
 520         if (port_id == RTE_MAX_ETHPORTS) {
 521                 RTE_ETHDEV_LOG(ERR,
 522                         "Reached maximum number of Ethernet ports\n");
 523                 goto unlock;
 524         }
 525
 526         eth_dev = eth_dev_get(port_id);
 527         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
 528         eth_dev->data->port_id = port_id;
 529         eth_dev->data->backer_port_id = RTE_MAX_ETHPORTS;
 530         eth_dev->data->mtu = RTE_ETHER_MTU;
 531         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
 532
 533 unlock:
 534         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 535
 536         return eth_dev;
 537 }
 538
 539 /*
 540  * Attach to a port already registered by the primary process, which
 541  * makes sure that the same device would have the same port id both
 542  * in the primary and secondary process.
 543  */
 544 struct rte_eth_dev *
 545 rte_eth_dev_attach_secondary(const char *name)
 546 {
 547         uint16_t i;
 548         struct rte_eth_dev *eth_dev = NULL;
 549
 550         eth_dev_shared_data_prepare();
 551
 552         /* Synchronize port attachment to primary port creation and release. */
 553         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 554
 555         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 556                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
 557                         break;
 558         }
 559         if (i == RTE_MAX_ETHPORTS) {
 560                 RTE_ETHDEV_LOG(ERR,
 561                         "Device %s is not driven by the primary process\n",
 562                         name);
 563         } else {
 564                 eth_dev = eth_dev_get(i);
 565                 RTE_ASSERT(eth_dev->data->port_id == i);
 566         }
 567
 568         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 569         return eth_dev;
 570 }
 571
 572 int
 573 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 574 {
 575         if (eth_dev == NULL)
 576                 return -EINVAL;
 577
 578         eth_dev_shared_data_prepare();
 579
 580         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 581                 rte_eth_dev_callback_process(eth_dev,
 582                                 RTE_ETH_EVENT_DESTROY, NULL);
 583
 584         eth_dev_fp_ops_reset(rte_eth_fp_ops + eth_dev->data->port_id);
 585
 586         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 587
 588         eth_dev->state = RTE_ETH_DEV_UNUSED;
 589         eth_dev->device = NULL;
 590         eth_dev->process_private = NULL;
 591         eth_dev->intr_handle = NULL;
 592         eth_dev->rx_pkt_burst = NULL;
 593         eth_dev->tx_pkt_burst = NULL;
 594         eth_dev->tx_pkt_prepare = NULL;
 595         eth_dev->rx_queue_count = NULL;
 596         eth_dev->rx_descriptor_status = NULL;
 597         eth_dev->tx_descriptor_status = NULL;
 598         eth_dev->dev_ops = NULL;
 599
 600         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 601                 rte_free(eth_dev->data->rx_queues);
 602                 rte_free(eth_dev->data->tx_queues);
 603                 rte_free(eth_dev->data->mac_addrs);
 604                 rte_free(eth_dev->data->hash_mac_addrs);
 605                 rte_free(eth_dev->data->dev_private);
 606                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
 607                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 608         }
 609
 610         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 611
 612         return 0;
 613 }
 614
 615 int
 616 rte_eth_dev_is_valid_port(uint16_t port_id)
 617 {
 618         if (port_id >= RTE_MAX_ETHPORTS ||
 619             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 620                 return 0;
 621         else
 622                 return 1;
 623 }
 624
 625 static int
 626 eth_is_valid_owner_id(uint64_t owner_id)
 627 {
 628         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 629             eth_dev_shared_data->next_owner_id <= owner_id)
 630                 return 0;
 631         return 1;
 632 }
 633
 634 uint64_t
 635 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 636 {
 637         port_id = rte_eth_find_next(port_id);
 638         while (port_id < RTE_MAX_ETHPORTS &&
 639                         rte_eth_devices[port_id].data->owner.id != owner_id)
 640                 port_id = rte_eth_find_next(port_id + 1);
 641
 642         return port_id;
 643 }
 644
 645 int
 646 rte_eth_dev_owner_new(uint64_t *owner_id)
 647 {
 648         if (owner_id == NULL) {
 649                 RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
 650                 return -EINVAL;
 651         }
 652
 653         eth_dev_shared_data_prepare();
 654
 655         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 656
 657         *owner_id = eth_dev_shared_data->next_owner_id++;
 658
 659         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 660         return 0;
 661 }
 662
 663 static int
 664 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 665                        const struct rte_eth_dev_owner *new_owner)
 666 {
 667         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 668         struct rte_eth_dev_owner *port_owner;
 669
 670         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
 671                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 672                         port_id);
 673                 return -ENODEV;
 674         }
 675
 676         if (new_owner == NULL) {
 677                 RTE_ETHDEV_LOG(ERR,
 678                         "Cannot set ethdev port %u owner from NULL owner\n",
 679                         port_id);
 680                 return -EINVAL;
 681         }
 682
 683         if (!eth_is_valid_owner_id(new_owner->id) &&
 684             !eth_is_valid_owner_id(old_owner_id)) {
 685                 RTE_ETHDEV_LOG(ERR,
 686                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 687                        old_owner_id, new_owner->id);
 688                 return -EINVAL;
 689         }
 690
 691         port_owner = &rte_eth_devices[port_id].data->owner;
 692         if (port_owner->id != old_owner_id) {
 693                 RTE_ETHDEV_LOG(ERR,
 694                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 695                         port_id, port_owner->name, port_owner->id);
 696                 return -EPERM;
 697         }
 698
 699         /* can not truncate (same structure) */
 700         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
 701
 702         port_owner->id = new_owner->id;
 703
 704         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 705                 port_id, new_owner->name, new_owner->id);
 706
 707         return 0;
 708 }
 709
 710 int
 711 rte_eth_dev_owner_set(const uint16_t port_id,
 712                       const struct rte_eth_dev_owner *owner)
 713 {
 714         int ret;
 715
 716         eth_dev_shared_data_prepare();
 717
 718         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 719
 720         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 721
 722         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 723         return ret;
 724 }
 725
 726 int
 727 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 728 {
 729         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 730                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 731         int ret;
 732
 733         eth_dev_shared_data_prepare();
 734
 735         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 736
 737         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
 738
 739         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 740         return ret;
 741 }
 742
 743 int
 744 rte_eth_dev_owner_delete(const uint64_t owner_id)
 745 {
 746         uint16_t port_id;
 747         int ret = 0;
 748
 749         eth_dev_shared_data_prepare();
 750
 751         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 752
 753         if (eth_is_valid_owner_id(owner_id)) {
 754                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 755                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 756                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 757                                        sizeof(struct rte_eth_dev_owner));
 758                 RTE_ETHDEV_LOG(NOTICE,
 759                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 760                         owner_id);
 761         } else {
 762                 RTE_ETHDEV_LOG(ERR,
 763                                "Invalid owner id=%016"PRIx64"\n",
 764                                owner_id);
 765                 ret = -EINVAL;
 766         }
 767
 768         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 769
 770         return ret;
 771 }
 772
 773 int
 774 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 775 {
 776         struct rte_eth_dev *ethdev;
 777
 778         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 779         ethdev = &rte_eth_devices[port_id];
 780
 781         if (!eth_dev_is_allocated(ethdev)) {
 782                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 783                         port_id);
 784                 return -ENODEV;
 785         }
 786
 787         if (owner == NULL) {
 788                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
 789                         port_id);
 790                 return -EINVAL;
 791         }
 792
 793         eth_dev_shared_data_prepare();
 794
 795         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
 796         rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 797         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
 798
 799         return 0;
 800 }
 801
 802 int
 803 rte_eth_dev_socket_id(uint16_t port_id)
 804 {
 805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 806         return rte_eth_devices[port_id].data->numa_node;
 807 }
 808
 809 void *
 810 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 811 {
 812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 813         return rte_eth_devices[port_id].security_ctx;
 814 }
 815
 816 uint16_t
 817 rte_eth_dev_count_avail(void)
 818 {
 819         uint16_t p;
 820         uint16_t count;
 821
 822         count = 0;
 823
 824         RTE_ETH_FOREACH_DEV(p)
 825                 count++;
 826
 827         return count;
 828 }
 829
 830 uint16_t
 831 rte_eth_dev_count_total(void)
 832 {
 833         uint16_t port, count = 0;
 834
 835         RTE_ETH_FOREACH_VALID_DEV(port)
 836                 count++;
 837
 838         return count;
 839 }
 840
 841 int
 842 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 843 {
 844         char *tmp;
 845
 846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 847
 848         if (name == NULL) {
 849                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
 850                         port_id);
 851                 return -EINVAL;
 852         }
 853
 854         /* shouldn't check 'rte_eth_devices[i].data',
 855          * because it might be overwritten by VDEV PMD */
 856         tmp = eth_dev_shared_data->data[port_id].name;
 857         strcpy(name, tmp);
 858         return 0;
 859 }
 860
 861 int
 862 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 863 {
 864         uint16_t pid;
 865
 866         if (name == NULL) {
 867                 RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
 868                 return -EINVAL;
 869         }
 870
 871         if (port_id == NULL) {
 872                 RTE_ETHDEV_LOG(ERR,
 873                         "Cannot get port ID to NULL for %s\n", name);
 874                 return -EINVAL;
 875         }
 876
 877         RTE_ETH_FOREACH_VALID_DEV(pid)
 878                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
 879                         *port_id = pid;
 880                         return 0;
 881                 }
 882
 883         return -ENODEV;
 884 }
 885
 886 static int
 887 eth_err(uint16_t port_id, int ret)
 888 {
 889         if (ret == 0)
 890                 return 0;
 891         if (rte_eth_dev_is_removed(port_id))
 892                 return -EIO;
 893         return ret;
 894 }
 895
 896 static void
 897 eth_dev_rxq_release(struct rte_eth_dev *dev, uint16_t qid)
 898 {
 899         void **rxq = dev->data->rx_queues;
 900
 901         if (rxq[qid] == NULL)
 902                 return;
 903
 904         if (dev->dev_ops->rx_queue_release != NULL)
 905                 (*dev->dev_ops->rx_queue_release)(dev, qid);
 906         rxq[qid] = NULL;
 907 }
 908
 909 static void
 910 eth_dev_txq_release(struct rte_eth_dev *dev, uint16_t qid)
 911 {
 912         void **txq = dev->data->tx_queues;
 913
 914         if (txq[qid] == NULL)
 915                 return;
 916
 917         if (dev->dev_ops->tx_queue_release != NULL)
 918                 (*dev->dev_ops->tx_queue_release)(dev, qid);
 919         txq[qid] = NULL;
 920 }
 921
 922 static int
 923 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 924 {
 925         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 926         unsigned i;
 927
 928         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 929                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 930                                 sizeof(dev->data->rx_queues[0]) *
 931                                 RTE_MAX_QUEUES_PER_PORT,
 932                                 RTE_CACHE_LINE_SIZE);
 933                 if (dev->data->rx_queues == NULL) {
 934                         dev->data->nb_rx_queues = 0;
 935                         return -(ENOMEM);
 936                 }
 937         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 938                 for (i = nb_queues; i < old_nb_queues; i++)
 939                         eth_dev_rxq_release(dev, i);
 940
 941         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 942                 for (i = nb_queues; i < old_nb_queues; i++)
 943                         eth_dev_rxq_release(dev, i);
 944
 945                 rte_free(dev->data->rx_queues);
 946                 dev->data->rx_queues = NULL;
 947         }
 948         dev->data->nb_rx_queues = nb_queues;
 949         return 0;
 950 }
 951
 952 static int
 953 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
 954 {
 955         uint16_t port_id;
 956
 957         if (rx_queue_id >= dev->data->nb_rx_queues) {
 958                 port_id = dev->data->port_id;
 959                 RTE_ETHDEV_LOG(ERR,
 960                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
 961                                rx_queue_id, port_id);
 962                 return -EINVAL;
 963         }
 964
 965         if (dev->data->rx_queues[rx_queue_id] == NULL) {
 966                 port_id = dev->data->port_id;
 967                 RTE_ETHDEV_LOG(ERR,
 968                                "Queue %u of device with port_id=%u has not been setup\n",
 969                                rx_queue_id, port_id);
 970                 return -EINVAL;
 971         }
 972
 973         return 0;
 974 }
 975
 976 static int
 977 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
 978 {
 979         uint16_t port_id;
 980
 981         if (tx_queue_id >= dev->data->nb_tx_queues) {
 982                 port_id = dev->data->port_id;
 983                 RTE_ETHDEV_LOG(ERR,
 984                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
 985                                tx_queue_id, port_id);
 986                 return -EINVAL;
 987         }
 988
 989         if (dev->data->tx_queues[tx_queue_id] == NULL) {
 990                 port_id = dev->data->port_id;
 991                 RTE_ETHDEV_LOG(ERR,
 992                                "Queue %u of device with port_id=%u has not been setup\n",
 993                                tx_queue_id, port_id);
 994                 return -EINVAL;
 995         }
 996
 997         return 0;
 998 }
 999
1000 int
1001 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
1002 {
1003         struct rte_eth_dev *dev;
1004         int ret;
1005
1006         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1007         dev = &rte_eth_devices[port_id];
1008
1009         if (!dev->data->dev_started) {
1010                 RTE_ETHDEV_LOG(ERR,
1011                         "Port %u must be started before start any queue\n",
1012                         port_id);
1013                 return -EINVAL;
1014         }
1015
1016         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1017         if (ret != 0)
1018                 return ret;
1019
1020         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1021
1022         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1023                 RTE_ETHDEV_LOG(INFO,
1024                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1025                         rx_queue_id, port_id);
1026                 return -EINVAL;
1027         }
1028
1029         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1030                 RTE_ETHDEV_LOG(INFO,
1031                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1032                         rx_queue_id, port_id);
1033                 return 0;
1034         }
1035
1036         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1037 }
1038
1039 int
1040 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1041 {
1042         struct rte_eth_dev *dev;
1043         int ret;
1044
1045         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1046         dev = &rte_eth_devices[port_id];
1047
1048         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1049         if (ret != 0)
1050                 return ret;
1051
1052         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1053
1054         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1055                 RTE_ETHDEV_LOG(INFO,
1056                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1057                         rx_queue_id, port_id);
1058                 return -EINVAL;
1059         }
1060
1061         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1062                 RTE_ETHDEV_LOG(INFO,
1063                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1064                         rx_queue_id, port_id);
1065                 return 0;
1066         }
1067
1068         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1069 }
1070
1071 int
1072 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1073 {
1074         struct rte_eth_dev *dev;
1075         int ret;
1076
1077         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1078         dev = &rte_eth_devices[port_id];
1079
1080         if (!dev->data->dev_started) {
1081                 RTE_ETHDEV_LOG(ERR,
1082                         "Port %u must be started before start any queue\n",
1083                         port_id);
1084                 return -EINVAL;
1085         }
1086
1087         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1088         if (ret != 0)
1089                 return ret;
1090
1091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1092
1093         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1094                 RTE_ETHDEV_LOG(INFO,
1095                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1096                         tx_queue_id, port_id);
1097                 return -EINVAL;
1098         }
1099
1100         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1101                 RTE_ETHDEV_LOG(INFO,
1102                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1103                         tx_queue_id, port_id);
1104                 return 0;
1105         }
1106
1107         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1108 }
1109
1110 int
1111 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1112 {
1113         struct rte_eth_dev *dev;
1114         int ret;
1115
1116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1117         dev = &rte_eth_devices[port_id];
1118
1119         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1120         if (ret != 0)
1121                 return ret;
1122
1123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1124
1125         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1126                 RTE_ETHDEV_LOG(INFO,
1127                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1128                         tx_queue_id, port_id);
1129                 return -EINVAL;
1130         }
1131
1132         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1133                 RTE_ETHDEV_LOG(INFO,
1134                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1135                         tx_queue_id, port_id);
1136                 return 0;
1137         }
1138
1139         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1140 }
1141
1142 static int
1143 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1144 {
1145         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1146         unsigned i;
1147
1148         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1149                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1150                                 sizeof(dev->data->tx_queues[0]) *
1151                                 RTE_MAX_QUEUES_PER_PORT,
1152                                 RTE_CACHE_LINE_SIZE);
1153                 if (dev->data->tx_queues == NULL) {
1154                         dev->data->nb_tx_queues = 0;
1155                         return -(ENOMEM);
1156                 }
1157         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1158                 for (i = nb_queues; i < old_nb_queues; i++)
1159                         eth_dev_txq_release(dev, i);
1160
1161         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1162                 for (i = nb_queues; i < old_nb_queues; i++)
1163                         eth_dev_txq_release(dev, i);
1164
1165                 rte_free(dev->data->tx_queues);
1166                 dev->data->tx_queues = NULL;
1167         }
1168         dev->data->nb_tx_queues = nb_queues;
1169         return 0;
1170 }
1171
1172 uint32_t
1173 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1174 {
1175         switch (speed) {
1176         case ETH_SPEED_NUM_10M:
1177                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1178         case ETH_SPEED_NUM_100M:
1179                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1180         case ETH_SPEED_NUM_1G:
1181                 return ETH_LINK_SPEED_1G;
1182         case ETH_SPEED_NUM_2_5G:
1183                 return ETH_LINK_SPEED_2_5G;
1184         case ETH_SPEED_NUM_5G:
1185                 return ETH_LINK_SPEED_5G;
1186         case ETH_SPEED_NUM_10G:
1187                 return ETH_LINK_SPEED_10G;
1188         case ETH_SPEED_NUM_20G:
1189                 return ETH_LINK_SPEED_20G;
1190         case ETH_SPEED_NUM_25G:
1191                 return ETH_LINK_SPEED_25G;
1192         case ETH_SPEED_NUM_40G:
1193                 return ETH_LINK_SPEED_40G;
1194         case ETH_SPEED_NUM_50G:
1195                 return ETH_LINK_SPEED_50G;
1196         case ETH_SPEED_NUM_56G:
1197                 return ETH_LINK_SPEED_56G;
1198         case ETH_SPEED_NUM_100G:
1199                 return ETH_LINK_SPEED_100G;
1200         case ETH_SPEED_NUM_200G:
1201                 return ETH_LINK_SPEED_200G;
1202         default:
1203                 return 0;
1204         }
1205 }
1206
1207 const char *
1208 rte_eth_dev_rx_offload_name(uint64_t offload)
1209 {
1210         const char *name = "UNKNOWN";
1211         unsigned int i;
1212
1213         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1214                 if (offload == eth_dev_rx_offload_names[i].offload) {
1215                         name = eth_dev_rx_offload_names[i].name;
1216                         break;
1217                 }
1218         }
1219
1220         return name;
1221 }
1222
1223 const char *
1224 rte_eth_dev_tx_offload_name(uint64_t offload)
1225 {
1226         const char *name = "UNKNOWN";
1227         unsigned int i;
1228
1229         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1230                 if (offload == eth_dev_tx_offload_names[i].offload) {
1231                         name = eth_dev_tx_offload_names[i].name;
1232                         break;
1233                 }
1234         }
1235
1236         return name;
1237 }
1238
1239 static inline int
1240 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1241                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1242 {
1243         int ret = 0;
1244
1245         if (dev_info_size == 0) {
1246                 if (config_size != max_rx_pkt_len) {
1247                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1248                                        " %u != %u is not allowed\n",
1249                                        port_id, config_size, max_rx_pkt_len);
1250                         ret = -EINVAL;
1251                 }
1252         } else if (config_size > dev_info_size) {
1253                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1254                                "> max allowed value %u\n", port_id, config_size,
1255                                dev_info_size);
1256                 ret = -EINVAL;
1257         } else if (config_size < RTE_ETHER_MIN_LEN) {
1258                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1259                                "< min allowed value %u\n", port_id, config_size,
1260                                (unsigned int)RTE_ETHER_MIN_LEN);
1261                 ret = -EINVAL;
1262         }
1263         return ret;
1264 }
1265
1266 /*
1267  * Validate offloads that are requested through rte_eth_dev_configure against
1268  * the offloads successfully set by the Ethernet device.
1269  *
1270  * @param port_id
1271  *   The port identifier of the Ethernet device.
1272  * @param req_offloads
1273  *   The offloads that have been requested through `rte_eth_dev_configure`.
1274  * @param set_offloads
1275  *   The offloads successfully set by the Ethernet device.
1276  * @param offload_type
1277  *   The offload type i.e. Rx/Tx string.
1278  * @param offload_name
1279  *   The function that prints the offload name.
1280  * @return
1281  *   - (0) if validation successful.
1282  *   - (-EINVAL) if requested offload has been silently disabled.
1283  *
1284  */
1285 static int
1286 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1287                   uint64_t set_offloads, const char *offload_type,
1288                   const char *(*offload_name)(uint64_t))
1289 {
1290         uint64_t offloads_diff = req_offloads ^ set_offloads;
1291         uint64_t offload;
1292         int ret = 0;
1293
1294         while (offloads_diff != 0) {
1295                 /* Check if any offload is requested but not enabled. */
1296                 offload = RTE_BIT64(__builtin_ctzll(offloads_diff));
1297                 if (offload & req_offloads) {
1298                         RTE_ETHDEV_LOG(ERR,
1299                                 "Port %u failed to enable %s offload %s\n",
1300                                 port_id, offload_type, offload_name(offload));
1301                         ret = -EINVAL;
1302                 }
1303
1304                 /* Check if offload couldn't be disabled. */
1305                 if (offload & set_offloads) {
1306                         RTE_ETHDEV_LOG(DEBUG,
1307                                 "Port %u %s offload %s is not requested but enabled\n",
1308                                 port_id, offload_type, offload_name(offload));
1309                 }
1310
1311                 offloads_diff &= ~offload;
1312         }
1313
1314         return ret;
1315 }
1316
1317 static uint32_t
1318 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1319 {
1320         uint32_t overhead_len;
1321
1322         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1323                 overhead_len = max_rx_pktlen - max_mtu;
1324         else
1325                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1326
1327         return overhead_len;
1328 }
1329
1330 /* rte_eth_dev_info_get() should be called prior to this function */
1331 static int
1332 eth_dev_validate_mtu(uint16_t port_id, struct rte_eth_dev_info *dev_info,
1333                 uint16_t mtu)
1334 {
1335         uint32_t overhead_len;
1336         uint32_t frame_size;
1337
1338         if (mtu < dev_info->min_mtu) {
1339                 RTE_ETHDEV_LOG(ERR,
1340                         "MTU (%u) < device min MTU (%u) for port_id %u\n",
1341                         mtu, dev_info->min_mtu, port_id);
1342                 return -EINVAL;
1343         }
1344         if (mtu > dev_info->max_mtu) {
1345                 RTE_ETHDEV_LOG(ERR,
1346                         "MTU (%u) > device max MTU (%u) for port_id %u\n",
1347                         mtu, dev_info->max_mtu, port_id);
1348                 return -EINVAL;
1349         }
1350
1351         overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
1352                         dev_info->max_mtu);
1353         frame_size = mtu + overhead_len;
1354         if (frame_size < RTE_ETHER_MIN_LEN) {
1355                 RTE_ETHDEV_LOG(ERR,
1356                         "Frame size (%u) < min frame size (%u) for port_id %u\n",
1357                         frame_size, RTE_ETHER_MIN_LEN, port_id);
1358                 return -EINVAL;
1359         }
1360
1361         if (frame_size > dev_info->max_rx_pktlen) {
1362                 RTE_ETHDEV_LOG(ERR,
1363                         "Frame size (%u) > device max frame size (%u) for port_id %u\n",
1364                         frame_size, dev_info->max_rx_pktlen, port_id);
1365                 return -EINVAL;
1366         }
1367
1368         return 0;
1369 }
1370
1371 int
1372 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1373                       const struct rte_eth_conf *dev_conf)
1374 {
1375         struct rte_eth_dev *dev;
1376         struct rte_eth_dev_info dev_info;
1377         struct rte_eth_conf orig_conf;
1378         int diag;
1379         int ret;
1380         uint16_t old_mtu;
1381
1382         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1383         dev = &rte_eth_devices[port_id];
1384
1385         if (dev_conf == NULL) {
1386                 RTE_ETHDEV_LOG(ERR,
1387                         "Cannot configure ethdev port %u from NULL config\n",
1388                         port_id);
1389                 return -EINVAL;
1390         }
1391
1392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1393
1394         if (dev->data->dev_started) {
1395                 RTE_ETHDEV_LOG(ERR,
1396                         "Port %u must be stopped to allow configuration\n",
1397                         port_id);
1398                 return -EBUSY;
1399         }
1400
1401         /*
1402          * Ensure that "dev_configured" is always 0 each time prepare to do
1403          * dev_configure() to avoid any non-anticipated behaviour.
1404          * And set to 1 when dev_configure() is executed successfully.
1405          */
1406         dev->data->dev_configured = 0;
1407
1408          /* Store original config, as rollback required on failure */
1409         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1410
1411         /*
1412          * Copy the dev_conf parameter into the dev structure.
1413          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1414          */
1415         if (dev_conf != &dev->data->dev_conf)
1416                 memcpy(&dev->data->dev_conf, dev_conf,
1417                        sizeof(dev->data->dev_conf));
1418
1419         /* Backup mtu for rollback */
1420         old_mtu = dev->data->mtu;
1421
1422         ret = rte_eth_dev_info_get(port_id, &dev_info);
1423         if (ret != 0)
1424                 goto rollback;
1425
1426         /* If number of queues specified by application for both Rx and Tx is
1427          * zero, use driver preferred values. This cannot be done individually
1428          * as it is valid for either Tx or Rx (but not both) to be zero.
1429          * If driver does not provide any preferred valued, fall back on
1430          * EAL defaults.
1431          */
1432         if (nb_rx_q == 0 && nb_tx_q == 0) {
1433                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1434                 if (nb_rx_q == 0)
1435                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1436                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1437                 if (nb_tx_q == 0)
1438                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1439         }
1440
1441         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1442                 RTE_ETHDEV_LOG(ERR,
1443                         "Number of Rx queues requested (%u) is greater than max supported(%d)\n",
1444                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1445                 ret = -EINVAL;
1446                 goto rollback;
1447         }
1448
1449         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1450                 RTE_ETHDEV_LOG(ERR,
1451                         "Number of Tx queues requested (%u) is greater than max supported(%d)\n",
1452                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1453                 ret = -EINVAL;
1454                 goto rollback;
1455         }
1456
1457         /*
1458          * Check that the numbers of Rx and Tx queues are not greater
1459          * than the maximum number of Rx and Tx queues supported by the
1460          * configured device.
1461          */
1462         if (nb_rx_q > dev_info.max_rx_queues) {
1463                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1464                         port_id, nb_rx_q, dev_info.max_rx_queues);
1465                 ret = -EINVAL;
1466                 goto rollback;
1467         }
1468
1469         if (nb_tx_q > dev_info.max_tx_queues) {
1470                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1471                         port_id, nb_tx_q, dev_info.max_tx_queues);
1472                 ret = -EINVAL;
1473                 goto rollback;
1474         }
1475
1476         /* Check that the device supports requested interrupts */
1477         if ((dev_conf->intr_conf.lsc == 1) &&
1478                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1479                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1480                         dev->device->driver->name);
1481                 ret = -EINVAL;
1482                 goto rollback;
1483         }
1484         if ((dev_conf->intr_conf.rmv == 1) &&
1485                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1486                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1487                         dev->device->driver->name);
1488                 ret = -EINVAL;
1489                 goto rollback;
1490         }
1491
1492         if (dev_conf->rxmode.mtu == 0)
1493                 dev->data->dev_conf.rxmode.mtu = RTE_ETHER_MTU;
1494
1495         ret = eth_dev_validate_mtu(port_id, &dev_info,
1496                         dev->data->dev_conf.rxmode.mtu);
1497         if (ret != 0)
1498                 goto rollback;
1499
1500         dev->data->mtu = dev->data->dev_conf.rxmode.mtu;
1501
1502         /*
1503          * If LRO is enabled, check that the maximum aggregated packet
1504          * size is supported by the configured device.
1505          */
1506         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1507                 uint32_t max_rx_pktlen;
1508                 uint32_t overhead_len;
1509
1510                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
1511                                 dev_info.max_mtu);
1512                 max_rx_pktlen = dev->data->dev_conf.rxmode.mtu + overhead_len;
1513                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1514                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
1515                 ret = eth_dev_check_lro_pkt_size(port_id,
1516                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1517                                 max_rx_pktlen,
1518                                 dev_info.max_lro_pkt_size);
1519                 if (ret != 0)
1520                         goto rollback;
1521         }
1522
1523         /* Any requested offloading must be within its device capabilities */
1524         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1525              dev_conf->rxmode.offloads) {
1526                 RTE_ETHDEV_LOG(ERR,
1527                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1528                         "capabilities 0x%"PRIx64" in %s()\n",
1529                         port_id, dev_conf->rxmode.offloads,
1530                         dev_info.rx_offload_capa,
1531                         __func__);
1532                 ret = -EINVAL;
1533                 goto rollback;
1534         }
1535         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1536              dev_conf->txmode.offloads) {
1537                 RTE_ETHDEV_LOG(ERR,
1538                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1539                         "capabilities 0x%"PRIx64" in %s()\n",
1540                         port_id, dev_conf->txmode.offloads,
1541                         dev_info.tx_offload_capa,
1542                         __func__);
1543                 ret = -EINVAL;
1544                 goto rollback;
1545         }
1546
1547         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1548                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1549
1550         /* Check that device supports requested rss hash functions. */
1551         if ((dev_info.flow_type_rss_offloads |
1552              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1553             dev_info.flow_type_rss_offloads) {
1554                 RTE_ETHDEV_LOG(ERR,
1555                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1556                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1557                         dev_info.flow_type_rss_offloads);
1558                 ret = -EINVAL;
1559                 goto rollback;
1560         }
1561
1562         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1563         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1564             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1565                 RTE_ETHDEV_LOG(ERR,
1566                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1567                         port_id,
1568                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1569                 ret = -EINVAL;
1570                 goto rollback;
1571         }
1572
1573         /*
1574          * Setup new number of Rx/Tx queues and reconfigure device.
1575          */
1576         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1577         if (diag != 0) {
1578                 RTE_ETHDEV_LOG(ERR,
1579                         "Port%u eth_dev_rx_queue_config = %d\n",
1580                         port_id, diag);
1581                 ret = diag;
1582                 goto rollback;
1583         }
1584
1585         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1586         if (diag != 0) {
1587                 RTE_ETHDEV_LOG(ERR,
1588                         "Port%u eth_dev_tx_queue_config = %d\n",
1589                         port_id, diag);
1590                 eth_dev_rx_queue_config(dev, 0);
1591                 ret = diag;
1592                 goto rollback;
1593         }
1594
1595         diag = (*dev->dev_ops->dev_configure)(dev);
1596         if (diag != 0) {
1597                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1598                         port_id, diag);
1599                 ret = eth_err(port_id, diag);
1600                 goto reset_queues;
1601         }
1602
1603         /* Initialize Rx profiling if enabled at compilation time. */
1604         diag = __rte_eth_dev_profile_init(port_id, dev);
1605         if (diag != 0) {
1606                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1607                         port_id, diag);
1608                 ret = eth_err(port_id, diag);
1609                 goto reset_queues;
1610         }
1611
1612         /* Validate Rx offloads. */
1613         diag = eth_dev_validate_offloads(port_id,
1614                         dev_conf->rxmode.offloads,
1615                         dev->data->dev_conf.rxmode.offloads, "Rx",
1616                         rte_eth_dev_rx_offload_name);
1617         if (diag != 0) {
1618                 ret = diag;
1619                 goto reset_queues;
1620         }
1621
1622         /* Validate Tx offloads. */
1623         diag = eth_dev_validate_offloads(port_id,
1624                         dev_conf->txmode.offloads,
1625                         dev->data->dev_conf.txmode.offloads, "Tx",
1626                         rte_eth_dev_tx_offload_name);
1627         if (diag != 0) {
1628                 ret = diag;
1629                 goto reset_queues;
1630         }
1631
1632         dev->data->dev_configured = 1;
1633         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1634         return 0;
1635 reset_queues:
1636         eth_dev_rx_queue_config(dev, 0);
1637         eth_dev_tx_queue_config(dev, 0);
1638 rollback:
1639         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1640         if (old_mtu != dev->data->mtu)
1641                 dev->data->mtu = old_mtu;
1642
1643         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1644         return ret;
1645 }
1646
1647 void
1648 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1649 {
1650         if (dev->data->dev_started) {
1651                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1652                         dev->data->port_id);
1653                 return;
1654         }
1655
1656         eth_dev_rx_queue_config(dev, 0);
1657         eth_dev_tx_queue_config(dev, 0);
1658
1659         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1660 }
1661
1662 static void
1663 eth_dev_mac_restore(struct rte_eth_dev *dev,
1664                         struct rte_eth_dev_info *dev_info)
1665 {
1666         struct rte_ether_addr *addr;
1667         uint16_t i;
1668         uint32_t pool = 0;
1669         uint64_t pool_mask;
1670
1671         /* replay MAC address configuration including default MAC */
1672         addr = &dev->data->mac_addrs[0];
1673         if (*dev->dev_ops->mac_addr_set != NULL)
1674                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1675         else if (*dev->dev_ops->mac_addr_add != NULL)
1676                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1677
1678         if (*dev->dev_ops->mac_addr_add != NULL) {
1679                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1680                         addr = &dev->data->mac_addrs[i];
1681
1682                         /* skip zero address */
1683                         if (rte_is_zero_ether_addr(addr))
1684                                 continue;
1685
1686                         pool = 0;
1687                         pool_mask = dev->data->mac_pool_sel[i];
1688
1689                         do {
1690                                 if (pool_mask & UINT64_C(1))
1691                                         (*dev->dev_ops->mac_addr_add)(dev,
1692                                                 addr, i, pool);
1693                                 pool_mask >>= 1;
1694                                 pool++;
1695                         } while (pool_mask);
1696                 }
1697         }
1698 }
1699
1700 static int
1701 eth_dev_config_restore(struct rte_eth_dev *dev,
1702                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1703 {
1704         int ret;
1705
1706         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1707                 eth_dev_mac_restore(dev, dev_info);
1708
1709         /* replay promiscuous configuration */
1710         /*
1711          * use callbacks directly since we don't need port_id check and
1712          * would like to bypass the same value set
1713          */
1714         if (rte_eth_promiscuous_get(port_id) == 1 &&
1715             *dev->dev_ops->promiscuous_enable != NULL) {
1716                 ret = eth_err(port_id,
1717                               (*dev->dev_ops->promiscuous_enable)(dev));
1718                 if (ret != 0 && ret != -ENOTSUP) {
1719                         RTE_ETHDEV_LOG(ERR,
1720                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1721                                 port_id, rte_strerror(-ret));
1722                         return ret;
1723                 }
1724         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1725                    *dev->dev_ops->promiscuous_disable != NULL) {
1726                 ret = eth_err(port_id,
1727                               (*dev->dev_ops->promiscuous_disable)(dev));
1728                 if (ret != 0 && ret != -ENOTSUP) {
1729                         RTE_ETHDEV_LOG(ERR,
1730                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1731                                 port_id, rte_strerror(-ret));
1732                         return ret;
1733                 }
1734         }
1735
1736         /* replay all multicast configuration */
1737         /*
1738          * use callbacks directly since we don't need port_id check and
1739          * would like to bypass the same value set
1740          */
1741         if (rte_eth_allmulticast_get(port_id) == 1 &&
1742             *dev->dev_ops->allmulticast_enable != NULL) {
1743                 ret = eth_err(port_id,
1744                               (*dev->dev_ops->allmulticast_enable)(dev));
1745                 if (ret != 0 && ret != -ENOTSUP) {
1746                         RTE_ETHDEV_LOG(ERR,
1747                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1748                                 port_id, rte_strerror(-ret));
1749                         return ret;
1750                 }
1751         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1752                    *dev->dev_ops->allmulticast_disable != NULL) {
1753                 ret = eth_err(port_id,
1754                               (*dev->dev_ops->allmulticast_disable)(dev));
1755                 if (ret != 0 && ret != -ENOTSUP) {
1756                         RTE_ETHDEV_LOG(ERR,
1757                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1758                                 port_id, rte_strerror(-ret));
1759                         return ret;
1760                 }
1761         }
1762
1763         return 0;
1764 }
1765
1766 int
1767 rte_eth_dev_start(uint16_t port_id)
1768 {
1769         struct rte_eth_dev *dev;
1770         struct rte_eth_dev_info dev_info;
1771         int diag;
1772         int ret, ret_stop;
1773
1774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1775         dev = &rte_eth_devices[port_id];
1776
1777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1778
1779         if (dev->data->dev_configured == 0) {
1780                 RTE_ETHDEV_LOG(INFO,
1781                         "Device with port_id=%"PRIu16" is not configured.\n",
1782                         port_id);
1783                 return -EINVAL;
1784         }
1785
1786         if (dev->data->dev_started != 0) {
1787                 RTE_ETHDEV_LOG(INFO,
1788                         "Device with port_id=%"PRIu16" already started\n",
1789                         port_id);
1790                 return 0;
1791         }
1792
1793         ret = rte_eth_dev_info_get(port_id, &dev_info);
1794         if (ret != 0)
1795                 return ret;
1796
1797         /* Lets restore MAC now if device does not support live change */
1798         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1799                 eth_dev_mac_restore(dev, &dev_info);
1800
1801         diag = (*dev->dev_ops->dev_start)(dev);
1802         if (diag == 0)
1803                 dev->data->dev_started = 1;
1804         else
1805                 return eth_err(port_id, diag);
1806
1807         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1808         if (ret != 0) {
1809                 RTE_ETHDEV_LOG(ERR,
1810                         "Error during restoring configuration for device (port %u): %s\n",
1811                         port_id, rte_strerror(-ret));
1812                 ret_stop = rte_eth_dev_stop(port_id);
1813                 if (ret_stop != 0) {
1814                         RTE_ETHDEV_LOG(ERR,
1815                                 "Failed to stop device (port %u): %s\n",
1816                                 port_id, rte_strerror(-ret_stop));
1817                 }
1818
1819                 return ret;
1820         }
1821
1822         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1823                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1824                 (*dev->dev_ops->link_update)(dev, 0);
1825         }
1826
1827         /* expose selection of PMD fast-path functions */
1828         eth_dev_fp_ops_setup(rte_eth_fp_ops + port_id, dev);
1829
1830         rte_ethdev_trace_start(port_id);
1831         return 0;
1832 }
1833
1834 int
1835 rte_eth_dev_stop(uint16_t port_id)
1836 {
1837         struct rte_eth_dev *dev;
1838         int ret;
1839
1840         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1841         dev = &rte_eth_devices[port_id];
1842
1843         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1844
1845         if (dev->data->dev_started == 0) {
1846                 RTE_ETHDEV_LOG(INFO,
1847                         "Device with port_id=%"PRIu16" already stopped\n",
1848                         port_id);
1849                 return 0;
1850         }
1851
1852         /* point fast-path functions to dummy ones */
1853         eth_dev_fp_ops_reset(rte_eth_fp_ops + port_id);
1854
1855         dev->data->dev_started = 0;
1856         ret = (*dev->dev_ops->dev_stop)(dev);
1857         rte_ethdev_trace_stop(port_id, ret);
1858
1859         return ret;
1860 }
1861
1862 int
1863 rte_eth_dev_set_link_up(uint16_t port_id)
1864 {
1865         struct rte_eth_dev *dev;
1866
1867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1868         dev = &rte_eth_devices[port_id];
1869
1870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1871         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1872 }
1873
1874 int
1875 rte_eth_dev_set_link_down(uint16_t port_id)
1876 {
1877         struct rte_eth_dev *dev;
1878
1879         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1880         dev = &rte_eth_devices[port_id];
1881
1882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1883         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1884 }
1885
1886 int
1887 rte_eth_dev_close(uint16_t port_id)
1888 {
1889         struct rte_eth_dev *dev;
1890         int firsterr, binerr;
1891         int *lasterr = &firsterr;
1892
1893         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1894         dev = &rte_eth_devices[port_id];
1895
1896         if (dev->data->dev_started) {
1897                 RTE_ETHDEV_LOG(ERR, "Cannot close started device (port %u)\n",
1898                                port_id);
1899                 return -EINVAL;
1900         }
1901
1902         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1903         *lasterr = (*dev->dev_ops->dev_close)(dev);
1904         if (*lasterr != 0)
1905                 lasterr = &binerr;
1906
1907         rte_ethdev_trace_close(port_id);
1908         *lasterr = rte_eth_dev_release_port(dev);
1909
1910         return firsterr;
1911 }
1912
1913 int
1914 rte_eth_dev_reset(uint16_t port_id)
1915 {
1916         struct rte_eth_dev *dev;
1917         int ret;
1918
1919         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1920         dev = &rte_eth_devices[port_id];
1921
1922         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1923
1924         ret = rte_eth_dev_stop(port_id);
1925         if (ret != 0) {
1926                 RTE_ETHDEV_LOG(ERR,
1927                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1928                         port_id, rte_strerror(-ret));
1929         }
1930         ret = dev->dev_ops->dev_reset(dev);
1931
1932         return eth_err(port_id, ret);
1933 }
1934
1935 int
1936 rte_eth_dev_is_removed(uint16_t port_id)
1937 {
1938         struct rte_eth_dev *dev;
1939         int ret;
1940
1941         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1942         dev = &rte_eth_devices[port_id];
1943
1944         if (dev->state == RTE_ETH_DEV_REMOVED)
1945                 return 1;
1946
1947         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1948
1949         ret = dev->dev_ops->is_removed(dev);
1950         if (ret != 0)
1951                 /* Device is physically removed. */
1952                 dev->state = RTE_ETH_DEV_REMOVED;
1953
1954         return ret;
1955 }
1956
1957 static int
1958 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1959                              uint16_t n_seg, uint32_t *mbp_buf_size,
1960                              const struct rte_eth_dev_info *dev_info)
1961 {
1962         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1963         struct rte_mempool *mp_first;
1964         uint32_t offset_mask;
1965         uint16_t seg_idx;
1966
1967         if (n_seg > seg_capa->max_nseg) {
1968                 RTE_ETHDEV_LOG(ERR,
1969                                "Requested Rx segments %u exceed supported %u\n",
1970                                n_seg, seg_capa->max_nseg);
1971                 return -EINVAL;
1972         }
1973         /*
1974          * Check the sizes and offsets against buffer sizes
1975          * for each segment specified in extended configuration.
1976          */
1977         mp_first = rx_seg[0].mp;
1978         offset_mask = RTE_BIT32(seg_capa->offset_align_log2) - 1;
1979         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1980                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1981                 uint32_t length = rx_seg[seg_idx].length;
1982                 uint32_t offset = rx_seg[seg_idx].offset;
1983
1984                 if (mpl == NULL) {
1985                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1986                         return -EINVAL;
1987                 }
1988                 if (seg_idx != 0 && mp_first != mpl &&
1989                     seg_capa->multi_pools == 0) {
1990                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1991                         return -ENOTSUP;
1992                 }
1993                 if (offset != 0) {
1994                         if (seg_capa->offset_allowed == 0) {
1995                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1996                                 return -ENOTSUP;
1997                         }
1998                         if (offset & offset_mask) {
1999                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
2000                                                offset,
2001                                                seg_capa->offset_align_log2);
2002                                 return -EINVAL;
2003                         }
2004                 }
2005                 if (mpl->private_data_size <
2006                         sizeof(struct rte_pktmbuf_pool_private)) {
2007                         RTE_ETHDEV_LOG(ERR,
2008                                        "%s private_data_size %u < %u\n",
2009                                        mpl->name, mpl->private_data_size,
2010                                        (unsigned int)sizeof
2011                                         (struct rte_pktmbuf_pool_private));
2012                         return -ENOSPC;
2013                 }
2014                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
2015                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
2016                 length = length != 0 ? length : *mbp_buf_size;
2017                 if (*mbp_buf_size < length + offset) {
2018                         RTE_ETHDEV_LOG(ERR,
2019                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
2020                                        mpl->name, *mbp_buf_size,
2021                                        length + offset, length, offset);
2022                         return -EINVAL;
2023                 }
2024         }
2025         return 0;
2026 }
2027
2028 int
2029 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2030                        uint16_t nb_rx_desc, unsigned int socket_id,
2031                        const struct rte_eth_rxconf *rx_conf,
2032                        struct rte_mempool *mp)
2033 {
2034         int ret;
2035         uint32_t mbp_buf_size;
2036         struct rte_eth_dev *dev;
2037         struct rte_eth_dev_info dev_info;
2038         struct rte_eth_rxconf local_conf;
2039
2040         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2041         dev = &rte_eth_devices[port_id];
2042
2043         if (rx_queue_id >= dev->data->nb_rx_queues) {
2044                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", rx_queue_id);
2045                 return -EINVAL;
2046         }
2047
2048         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2049
2050         ret = rte_eth_dev_info_get(port_id, &dev_info);
2051         if (ret != 0)
2052                 return ret;
2053
2054         if (mp != NULL) {
2055                 /* Single pool configuration check. */
2056                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2057                         RTE_ETHDEV_LOG(ERR,
2058                                        "Ambiguous segment configuration\n");
2059                         return -EINVAL;
2060                 }
2061                 /*
2062                  * Check the size of the mbuf data buffer, this value
2063                  * must be provided in the private data of the memory pool.
2064                  * First check that the memory pool(s) has a valid private data.
2065                  */
2066                 if (mp->private_data_size <
2067                                 sizeof(struct rte_pktmbuf_pool_private)) {
2068                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2069                                 mp->name, mp->private_data_size,
2070                                 (unsigned int)
2071                                 sizeof(struct rte_pktmbuf_pool_private));
2072                         return -ENOSPC;
2073                 }
2074                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2075                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2076                                    RTE_PKTMBUF_HEADROOM) {
2077                         RTE_ETHDEV_LOG(ERR,
2078                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2079                                        mp->name, mbp_buf_size,
2080                                        RTE_PKTMBUF_HEADROOM +
2081                                        dev_info.min_rx_bufsize,
2082                                        RTE_PKTMBUF_HEADROOM,
2083                                        dev_info.min_rx_bufsize);
2084                         return -EINVAL;
2085                 }
2086         } else {
2087                 const struct rte_eth_rxseg_split *rx_seg;
2088                 uint16_t n_seg;
2089
2090                 /* Extended multi-segment configuration check. */
2091                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2092                         RTE_ETHDEV_LOG(ERR,
2093                                        "Memory pool is null and no extended configuration provided\n");
2094                         return -EINVAL;
2095                 }
2096
2097                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2098                 n_seg = rx_conf->rx_nseg;
2099
2100                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2101                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2102                                                            &mbp_buf_size,
2103                                                            &dev_info);
2104                         if (ret != 0)
2105                                 return ret;
2106                 } else {
2107                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2108                         return -EINVAL;
2109                 }
2110         }
2111
2112         /* Use default specified by driver, if nb_rx_desc is zero */
2113         if (nb_rx_desc == 0) {
2114                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2115                 /* If driver default is also zero, fall back on EAL default */
2116                 if (nb_rx_desc == 0)
2117                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2118         }
2119
2120         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2121                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2122                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2123
2124                 RTE_ETHDEV_LOG(ERR,
2125                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2126                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2127                         dev_info.rx_desc_lim.nb_min,
2128                         dev_info.rx_desc_lim.nb_align);
2129                 return -EINVAL;
2130         }
2131
2132         if (dev->data->dev_started &&
2133                 !(dev_info.dev_capa &
2134                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2135                 return -EBUSY;
2136
2137         if (dev->data->dev_started &&
2138                 (dev->data->rx_queue_state[rx_queue_id] !=
2139                         RTE_ETH_QUEUE_STATE_STOPPED))
2140                 return -EBUSY;
2141
2142         eth_dev_rxq_release(dev, rx_queue_id);
2143
2144         if (rx_conf == NULL)
2145                 rx_conf = &dev_info.default_rxconf;
2146
2147         local_conf = *rx_conf;
2148
2149         /*
2150          * If an offloading has already been enabled in
2151          * rte_eth_dev_configure(), it has been enabled on all queues,
2152          * so there is no need to enable it in this queue again.
2153          * The local_conf.offloads input to underlying PMD only carries
2154          * those offloadings which are only enabled on this queue and
2155          * not enabled on all queues.
2156          */
2157         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2158
2159         /*
2160          * New added offloadings for this queue are those not enabled in
2161          * rte_eth_dev_configure() and they must be per-queue type.
2162          * A pure per-port offloading can't be enabled on a queue while
2163          * disabled on another queue. A pure per-port offloading can't
2164          * be enabled for any queue as new added one if it hasn't been
2165          * enabled in rte_eth_dev_configure().
2166          */
2167         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2168              local_conf.offloads) {
2169                 RTE_ETHDEV_LOG(ERR,
2170                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2171                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2172                         port_id, rx_queue_id, local_conf.offloads,
2173                         dev_info.rx_queue_offload_capa,
2174                         __func__);
2175                 return -EINVAL;
2176         }
2177
2178         /*
2179          * If LRO is enabled, check that the maximum aggregated packet
2180          * size is supported by the configured device.
2181          */
2182         /* Get the real Ethernet overhead length */
2183         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2184                 uint32_t overhead_len;
2185                 uint32_t max_rx_pktlen;
2186                 int ret;
2187
2188                 overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen,
2189                                 dev_info.max_mtu);
2190                 max_rx_pktlen = dev->data->mtu + overhead_len;
2191                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2192                         dev->data->dev_conf.rxmode.max_lro_pkt_size = max_rx_pktlen;
2193                 ret = eth_dev_check_lro_pkt_size(port_id,
2194                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2195                                 max_rx_pktlen,
2196                                 dev_info.max_lro_pkt_size);
2197                 if (ret != 0)
2198                         return ret;
2199         }
2200
2201         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2202                                               socket_id, &local_conf, mp);
2203         if (!ret) {
2204                 if (!dev->data->min_rx_buf_size ||
2205                     dev->data->min_rx_buf_size > mbp_buf_size)
2206                         dev->data->min_rx_buf_size = mbp_buf_size;
2207         }
2208
2209         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2210                 rx_conf, ret);
2211         return eth_err(port_id, ret);
2212 }
2213
2214 int
2215 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2216                                uint16_t nb_rx_desc,
2217                                const struct rte_eth_hairpin_conf *conf)
2218 {
2219         int ret;
2220         struct rte_eth_dev *dev;
2221         struct rte_eth_hairpin_cap cap;
2222         int i;
2223         int count;
2224
2225         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2226         dev = &rte_eth_devices[port_id];
2227
2228         if (rx_queue_id >= dev->data->nb_rx_queues) {
2229                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", rx_queue_id);
2230                 return -EINVAL;
2231         }
2232
2233         if (conf == NULL) {
2234                 RTE_ETHDEV_LOG(ERR,
2235                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2236                         port_id);
2237                 return -EINVAL;
2238         }
2239
2240         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2241         if (ret != 0)
2242                 return ret;
2243         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2244                                 -ENOTSUP);
2245         /* if nb_rx_desc is zero use max number of desc from the driver. */
2246         if (nb_rx_desc == 0)
2247                 nb_rx_desc = cap.max_nb_desc;
2248         if (nb_rx_desc > cap.max_nb_desc) {
2249                 RTE_ETHDEV_LOG(ERR,
2250                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2251                         nb_rx_desc, cap.max_nb_desc);
2252                 return -EINVAL;
2253         }
2254         if (conf->peer_count > cap.max_rx_2_tx) {
2255                 RTE_ETHDEV_LOG(ERR,
2256                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2257                         conf->peer_count, cap.max_rx_2_tx);
2258                 return -EINVAL;
2259         }
2260         if (conf->peer_count == 0) {
2261                 RTE_ETHDEV_LOG(ERR,
2262                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2263                         conf->peer_count);
2264                 return -EINVAL;
2265         }
2266         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2267              cap.max_nb_queues != UINT16_MAX; i++) {
2268                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2269                         count++;
2270         }
2271         if (count > cap.max_nb_queues) {
2272                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2273                 cap.max_nb_queues);
2274                 return -EINVAL;
2275         }
2276         if (dev->data->dev_started)
2277                 return -EBUSY;
2278         eth_dev_rxq_release(dev, rx_queue_id);
2279         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2280                                                       nb_rx_desc, conf);
2281         if (ret == 0)
2282                 dev->data->rx_queue_state[rx_queue_id] =
2283                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2284         return eth_err(port_id, ret);
2285 }
2286
2287 int
2288 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2289                        uint16_t nb_tx_desc, unsigned int socket_id,
2290                        const struct rte_eth_txconf *tx_conf)
2291 {
2292         struct rte_eth_dev *dev;
2293         struct rte_eth_dev_info dev_info;
2294         struct rte_eth_txconf local_conf;
2295         int ret;
2296
2297         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2298         dev = &rte_eth_devices[port_id];
2299
2300         if (tx_queue_id >= dev->data->nb_tx_queues) {
2301                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", tx_queue_id);
2302                 return -EINVAL;
2303         }
2304
2305         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2306
2307         ret = rte_eth_dev_info_get(port_id, &dev_info);
2308         if (ret != 0)
2309                 return ret;
2310
2311         /* Use default specified by driver, if nb_tx_desc is zero */
2312         if (nb_tx_desc == 0) {
2313                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2314                 /* If driver default is zero, fall back on EAL default */
2315                 if (nb_tx_desc == 0)
2316                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2317         }
2318         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2319             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2320             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2321                 RTE_ETHDEV_LOG(ERR,
2322                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2323                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2324                         dev_info.tx_desc_lim.nb_min,
2325                         dev_info.tx_desc_lim.nb_align);
2326                 return -EINVAL;
2327         }
2328
2329         if (dev->data->dev_started &&
2330                 !(dev_info.dev_capa &
2331                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2332                 return -EBUSY;
2333
2334         if (dev->data->dev_started &&
2335                 (dev->data->tx_queue_state[tx_queue_id] !=
2336                         RTE_ETH_QUEUE_STATE_STOPPED))
2337                 return -EBUSY;
2338
2339         eth_dev_txq_release(dev, tx_queue_id);
2340
2341         if (tx_conf == NULL)
2342                 tx_conf = &dev_info.default_txconf;
2343
2344         local_conf = *tx_conf;
2345
2346         /*
2347          * If an offloading has already been enabled in
2348          * rte_eth_dev_configure(), it has been enabled on all queues,
2349          * so there is no need to enable it in this queue again.
2350          * The local_conf.offloads input to underlying PMD only carries
2351          * those offloadings which are only enabled on this queue and
2352          * not enabled on all queues.
2353          */
2354         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2355
2356         /*
2357          * New added offloadings for this queue are those not enabled in
2358          * rte_eth_dev_configure() and they must be per-queue type.
2359          * A pure per-port offloading can't be enabled on a queue while
2360          * disabled on another queue. A pure per-port offloading can't
2361          * be enabled for any queue as new added one if it hasn't been
2362          * enabled in rte_eth_dev_configure().
2363          */
2364         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2365              local_conf.offloads) {
2366                 RTE_ETHDEV_LOG(ERR,
2367                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2368                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2369                         port_id, tx_queue_id, local_conf.offloads,
2370                         dev_info.tx_queue_offload_capa,
2371                         __func__);
2372                 return -EINVAL;
2373         }
2374
2375         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2376         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2377                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2378 }
2379
2380 int
2381 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2382                                uint16_t nb_tx_desc,
2383                                const struct rte_eth_hairpin_conf *conf)
2384 {
2385         struct rte_eth_dev *dev;
2386         struct rte_eth_hairpin_cap cap;
2387         int i;
2388         int count;
2389         int ret;
2390
2391         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2392         dev = &rte_eth_devices[port_id];
2393
2394         if (tx_queue_id >= dev->data->nb_tx_queues) {
2395                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", tx_queue_id);
2396                 return -EINVAL;
2397         }
2398
2399         if (conf == NULL) {
2400                 RTE_ETHDEV_LOG(ERR,
2401                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2402                         port_id);
2403                 return -EINVAL;
2404         }
2405
2406         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2407         if (ret != 0)
2408                 return ret;
2409         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2410                                 -ENOTSUP);
2411         /* if nb_rx_desc is zero use max number of desc from the driver. */
2412         if (nb_tx_desc == 0)
2413                 nb_tx_desc = cap.max_nb_desc;
2414         if (nb_tx_desc > cap.max_nb_desc) {
2415                 RTE_ETHDEV_LOG(ERR,
2416                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2417                         nb_tx_desc, cap.max_nb_desc);
2418                 return -EINVAL;
2419         }
2420         if (conf->peer_count > cap.max_tx_2_rx) {
2421                 RTE_ETHDEV_LOG(ERR,
2422                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2423                         conf->peer_count, cap.max_tx_2_rx);
2424                 return -EINVAL;
2425         }
2426         if (conf->peer_count == 0) {
2427                 RTE_ETHDEV_LOG(ERR,
2428                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2429                         conf->peer_count);
2430                 return -EINVAL;
2431         }
2432         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2433              cap.max_nb_queues != UINT16_MAX; i++) {
2434                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2435                         count++;
2436         }
2437         if (count > cap.max_nb_queues) {
2438                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2439                 cap.max_nb_queues);
2440                 return -EINVAL;
2441         }
2442         if (dev->data->dev_started)
2443                 return -EBUSY;
2444         eth_dev_txq_release(dev, tx_queue_id);
2445         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2446                 (dev, tx_queue_id, nb_tx_desc, conf);
2447         if (ret == 0)
2448                 dev->data->tx_queue_state[tx_queue_id] =
2449                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2450         return eth_err(port_id, ret);
2451 }
2452
2453 int
2454 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2455 {
2456         struct rte_eth_dev *dev;
2457         int ret;
2458
2459         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2460         dev = &rte_eth_devices[tx_port];
2461
2462         if (dev->data->dev_started == 0) {
2463                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2464                 return -EBUSY;
2465         }
2466
2467         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2468         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2469         if (ret != 0)
2470                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2471                                " to Rx %d (%d - all ports)\n",
2472                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2473
2474         return ret;
2475 }
2476
2477 int
2478 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2479 {
2480         struct rte_eth_dev *dev;
2481         int ret;
2482
2483         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2484         dev = &rte_eth_devices[tx_port];
2485
2486         if (dev->data->dev_started == 0) {
2487                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2488                 return -EBUSY;
2489         }
2490
2491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2492         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2493         if (ret != 0)
2494                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2495                                " from Rx %d (%d - all ports)\n",
2496                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2497
2498         return ret;
2499 }
2500
2501 int
2502 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2503                                size_t len, uint32_t direction)
2504 {
2505         struct rte_eth_dev *dev;
2506         int ret;
2507
2508         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2509         dev = &rte_eth_devices[port_id];
2510
2511         if (peer_ports == NULL) {
2512                 RTE_ETHDEV_LOG(ERR,
2513                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2514                         port_id);
2515                 return -EINVAL;
2516         }
2517
2518         if (len == 0) {
2519                 RTE_ETHDEV_LOG(ERR,
2520                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2521                         port_id);
2522                 return -EINVAL;
2523         }
2524
2525         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2526                                 -ENOTSUP);
2527
2528         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2529                                                       len, direction);
2530         if (ret < 0)
2531                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2532                                port_id, direction ? "Rx" : "Tx");
2533
2534         return ret;
2535 }
2536
2537 void
2538 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2539                 void *userdata __rte_unused)
2540 {
2541         rte_pktmbuf_free_bulk(pkts, unsent);
2542 }
2543
2544 void
2545 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2546                 void *userdata)
2547 {
2548         uint64_t *count = userdata;
2549
2550         rte_pktmbuf_free_bulk(pkts, unsent);
2551         *count += unsent;
2552 }
2553
2554 int
2555 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2556                 buffer_tx_error_fn cbfn, void *userdata)
2557 {
2558         if (buffer == NULL) {
2559                 RTE_ETHDEV_LOG(ERR,
2560                         "Cannot set Tx buffer error callback to NULL buffer\n");
2561                 return -EINVAL;
2562         }
2563
2564         buffer->error_callback = cbfn;
2565         buffer->error_userdata = userdata;
2566         return 0;
2567 }
2568
2569 int
2570 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2571 {
2572         int ret = 0;
2573
2574         if (buffer == NULL) {
2575                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2576                 return -EINVAL;
2577         }
2578
2579         buffer->size = size;
2580         if (buffer->error_callback == NULL) {
2581                 ret = rte_eth_tx_buffer_set_err_callback(
2582                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2583         }
2584
2585         return ret;
2586 }
2587
2588 int
2589 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2590 {
2591         struct rte_eth_dev *dev;
2592         int ret;
2593
2594         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2595         dev = &rte_eth_devices[port_id];
2596
2597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2598
2599         /* Call driver to free pending mbufs. */
2600         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2601                                                free_cnt);
2602         return eth_err(port_id, ret);
2603 }
2604
2605 int
2606 rte_eth_promiscuous_enable(uint16_t port_id)
2607 {
2608         struct rte_eth_dev *dev;
2609         int diag = 0;
2610
2611         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2612         dev = &rte_eth_devices[port_id];
2613
2614         if (dev->data->promiscuous == 1)
2615                 return 0;
2616
2617         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2618
2619         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2620         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2621
2622         return eth_err(port_id, diag);
2623 }
2624
2625 int
2626 rte_eth_promiscuous_disable(uint16_t port_id)
2627 {
2628         struct rte_eth_dev *dev;
2629         int diag = 0;
2630
2631         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2632         dev = &rte_eth_devices[port_id];
2633
2634         if (dev->data->promiscuous == 0)
2635                 return 0;
2636
2637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2638
2639         dev->data->promiscuous = 0;
2640         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2641         if (diag != 0)
2642                 dev->data->promiscuous = 1;
2643
2644         return eth_err(port_id, diag);
2645 }
2646
2647 int
2648 rte_eth_promiscuous_get(uint16_t port_id)
2649 {
2650         struct rte_eth_dev *dev;
2651
2652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2653         dev = &rte_eth_devices[port_id];
2654
2655         return dev->data->promiscuous;
2656 }
2657
2658 int
2659 rte_eth_allmulticast_enable(uint16_t port_id)
2660 {
2661         struct rte_eth_dev *dev;
2662         int diag;
2663
2664         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2665         dev = &rte_eth_devices[port_id];
2666
2667         if (dev->data->all_multicast == 1)
2668                 return 0;
2669
2670         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2671         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2672         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2673
2674         return eth_err(port_id, diag);
2675 }
2676
2677 int
2678 rte_eth_allmulticast_disable(uint16_t port_id)
2679 {
2680         struct rte_eth_dev *dev;
2681         int diag;
2682
2683         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2684         dev = &rte_eth_devices[port_id];
2685
2686         if (dev->data->all_multicast == 0)
2687                 return 0;
2688
2689         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2690         dev->data->all_multicast = 0;
2691         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2692         if (diag != 0)
2693                 dev->data->all_multicast = 1;
2694
2695         return eth_err(port_id, diag);
2696 }
2697
2698 int
2699 rte_eth_allmulticast_get(uint16_t port_id)
2700 {
2701         struct rte_eth_dev *dev;
2702
2703         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2704         dev = &rte_eth_devices[port_id];
2705
2706         return dev->data->all_multicast;
2707 }
2708
2709 int
2710 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2711 {
2712         struct rte_eth_dev *dev;
2713
2714         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2715         dev = &rte_eth_devices[port_id];
2716
2717         if (eth_link == NULL) {
2718                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2719                         port_id);
2720                 return -EINVAL;
2721         }
2722
2723         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2724                 rte_eth_linkstatus_get(dev, eth_link);
2725         else {
2726                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2727                 (*dev->dev_ops->link_update)(dev, 1);
2728                 *eth_link = dev->data->dev_link;
2729         }
2730
2731         return 0;
2732 }
2733
2734 int
2735 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2736 {
2737         struct rte_eth_dev *dev;
2738
2739         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2740         dev = &rte_eth_devices[port_id];
2741
2742         if (eth_link == NULL) {
2743                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2744                         port_id);
2745                 return -EINVAL;
2746         }
2747
2748         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2749                 rte_eth_linkstatus_get(dev, eth_link);
2750         else {
2751                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2752                 (*dev->dev_ops->link_update)(dev, 0);
2753                 *eth_link = dev->data->dev_link;
2754         }
2755
2756         return 0;
2757 }
2758
2759 const char *
2760 rte_eth_link_speed_to_str(uint32_t link_speed)
2761 {
2762         switch (link_speed) {
2763         case ETH_SPEED_NUM_NONE: return "None";
2764         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2765         case ETH_SPEED_NUM_100M: return "100 Mbps";
2766         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2767         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2768         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2769         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2770         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2771         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2772         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2773         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2774         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2775         case ETH_SPEED_NUM_100G: return "100 Gbps";
2776         case ETH_SPEED_NUM_200G: return "200 Gbps";
2777         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2778         default: return "Invalid";
2779         }
2780 }
2781
2782 int
2783 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2784 {
2785         if (str == NULL) {
2786                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2787                 return -EINVAL;
2788         }
2789
2790         if (len == 0) {
2791                 RTE_ETHDEV_LOG(ERR,
2792                         "Cannot convert link to string with zero size\n");
2793                 return -EINVAL;
2794         }
2795
2796         if (eth_link == NULL) {
2797                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2798                 return -EINVAL;
2799         }
2800
2801         if (eth_link->link_status == ETH_LINK_DOWN)
2802                 return snprintf(str, len, "Link down");
2803         else
2804                 return snprintf(str, len, "Link up at %s %s %s",
2805                         rte_eth_link_speed_to_str(eth_link->link_speed),
2806                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2807                         "FDX" : "HDX",
2808                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2809                         "Autoneg" : "Fixed");
2810 }
2811
2812 int
2813 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2814 {
2815         struct rte_eth_dev *dev;
2816
2817         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2818         dev = &rte_eth_devices[port_id];
2819
2820         if (stats == NULL) {
2821                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2822                         port_id);
2823                 return -EINVAL;
2824         }
2825
2826         memset(stats, 0, sizeof(*stats));
2827
2828         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2829         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2830         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2831 }
2832
2833 int
2834 rte_eth_stats_reset(uint16_t port_id)
2835 {
2836         struct rte_eth_dev *dev;
2837         int ret;
2838
2839         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2840         dev = &rte_eth_devices[port_id];
2841
2842         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2843         ret = (*dev->dev_ops->stats_reset)(dev);
2844         if (ret != 0)
2845                 return eth_err(port_id, ret);
2846
2847         dev->data->rx_mbuf_alloc_failed = 0;
2848
2849         return 0;
2850 }
2851
2852 static inline int
2853 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2854 {
2855         uint16_t nb_rxqs, nb_txqs;
2856         int count;
2857
2858         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2859         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2860
2861         count = RTE_NB_STATS;
2862         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2863                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2864                 count += nb_txqs * RTE_NB_TXQ_STATS;
2865         }
2866
2867         return count;
2868 }
2869
2870 static int
2871 eth_dev_get_xstats_count(uint16_t port_id)
2872 {
2873         struct rte_eth_dev *dev;
2874         int count;
2875
2876         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2877         dev = &rte_eth_devices[port_id];
2878         if (dev->dev_ops->xstats_get_names != NULL) {
2879                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2880                 if (count < 0)
2881                         return eth_err(port_id, count);
2882         } else
2883                 count = 0;
2884
2885
2886         count += eth_dev_get_xstats_basic_count(dev);
2887
2888         return count;
2889 }
2890
2891 int
2892 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2893                 uint64_t *id)
2894 {
2895         int cnt_xstats, idx_xstat;
2896
2897         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2898
2899         if (xstat_name == NULL) {
2900                 RTE_ETHDEV_LOG(ERR,
2901                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2902                         port_id);
2903                 return -ENOMEM;
2904         }
2905
2906         if (id == NULL) {
2907                 RTE_ETHDEV_LOG(ERR,
2908                         "Cannot get ethdev port %u xstats ID to NULL\n",
2909                         port_id);
2910                 return -ENOMEM;
2911         }
2912
2913         /* Get count */
2914         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2915         if (cnt_xstats  < 0) {
2916                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2917                 return -ENODEV;
2918         }
2919
2920         /* Get id-name lookup table */
2921         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2922
2923         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2924                         port_id, xstats_names, cnt_xstats, NULL)) {
2925                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2926                 return -1;
2927         }
2928
2929         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2930                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2931                         *id = idx_xstat;
2932                         return 0;
2933                 };
2934         }
2935
2936         return -EINVAL;
2937 }
2938
2939 /* retrieve basic stats names */
2940 static int
2941 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2942         struct rte_eth_xstat_name *xstats_names)
2943 {
2944         int cnt_used_entries = 0;
2945         uint32_t idx, id_queue;
2946         uint16_t num_q;
2947
2948         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2949                 strlcpy(xstats_names[cnt_used_entries].name,
2950                         eth_dev_stats_strings[idx].name,
2951                         sizeof(xstats_names[0].name));
2952                 cnt_used_entries++;
2953         }
2954
2955         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2956                 return cnt_used_entries;
2957
2958         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2959         for (id_queue = 0; id_queue < num_q; id_queue++) {
2960                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2961                         snprintf(xstats_names[cnt_used_entries].name,
2962                                 sizeof(xstats_names[0].name),
2963                                 "rx_q%u_%s",
2964                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2965                         cnt_used_entries++;
2966                 }
2967
2968         }
2969         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2970         for (id_queue = 0; id_queue < num_q; id_queue++) {
2971                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2972                         snprintf(xstats_names[cnt_used_entries].name,
2973                                 sizeof(xstats_names[0].name),
2974                                 "tx_q%u_%s",
2975                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2976                         cnt_used_entries++;
2977                 }
2978         }
2979         return cnt_used_entries;
2980 }
2981
2982 /* retrieve ethdev extended statistics names */
2983 int
2984 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2985         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2986         uint64_t *ids)
2987 {
2988         struct rte_eth_xstat_name *xstats_names_copy;
2989         unsigned int no_basic_stat_requested = 1;
2990         unsigned int no_ext_stat_requested = 1;
2991         unsigned int expected_entries;
2992         unsigned int basic_count;
2993         struct rte_eth_dev *dev;
2994         unsigned int i;
2995         int ret;
2996
2997         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2998         dev = &rte_eth_devices[port_id];
2999
3000         basic_count = eth_dev_get_xstats_basic_count(dev);
3001         ret = eth_dev_get_xstats_count(port_id);
3002         if (ret < 0)
3003                 return ret;
3004         expected_entries = (unsigned int)ret;
3005
3006         /* Return max number of stats if no ids given */
3007         if (!ids) {
3008                 if (!xstats_names)
3009                         return expected_entries;
3010                 else if (xstats_names && size < expected_entries)
3011                         return expected_entries;
3012         }
3013
3014         if (ids && !xstats_names)
3015                 return -EINVAL;
3016
3017         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
3018                 uint64_t ids_copy[size];
3019
3020                 for (i = 0; i < size; i++) {
3021                         if (ids[i] < basic_count) {
3022                                 no_basic_stat_requested = 0;
3023                                 break;
3024                         }
3025
3026                         /*
3027                          * Convert ids to xstats ids that PMD knows.
3028                          * ids known by user are basic + extended stats.
3029                          */
3030                         ids_copy[i] = ids[i] - basic_count;
3031                 }
3032
3033                 if (no_basic_stat_requested)
3034                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
3035                                         ids_copy, xstats_names, size);
3036         }
3037
3038         /* Retrieve all stats */
3039         if (!ids) {
3040                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3041                                 expected_entries);
3042                 if (num_stats < 0 || num_stats > (int)expected_entries)
3043                         return num_stats;
3044                 else
3045                         return expected_entries;
3046         }
3047
3048         xstats_names_copy = calloc(expected_entries,
3049                 sizeof(struct rte_eth_xstat_name));
3050
3051         if (!xstats_names_copy) {
3052                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3053                 return -ENOMEM;
3054         }
3055
3056         if (ids) {
3057                 for (i = 0; i < size; i++) {
3058                         if (ids[i] >= basic_count) {
3059                                 no_ext_stat_requested = 0;
3060                                 break;
3061                         }
3062                 }
3063         }
3064
3065         /* Fill xstats_names_copy structure */
3066         if (ids && no_ext_stat_requested) {
3067                 eth_basic_stats_get_names(dev, xstats_names_copy);
3068         } else {
3069                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3070                         expected_entries);
3071                 if (ret < 0) {
3072                         free(xstats_names_copy);
3073                         return ret;
3074                 }
3075         }
3076
3077         /* Filter stats */
3078         for (i = 0; i < size; i++) {
3079                 if (ids[i] >= expected_entries) {
3080                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3081                         free(xstats_names_copy);
3082                         return -1;
3083                 }
3084                 xstats_names[i] = xstats_names_copy[ids[i]];
3085         }
3086
3087         free(xstats_names_copy);
3088         return size;
3089 }
3090
3091 int
3092 rte_eth_xstats_get_names(uint16_t port_id,
3093         struct rte_eth_xstat_name *xstats_names,
3094         unsigned int size)
3095 {
3096         struct rte_eth_dev *dev;
3097         int cnt_used_entries;
3098         int cnt_expected_entries;
3099         int cnt_driver_entries;
3100
3101         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3102         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3103                         (int)size < cnt_expected_entries)
3104                 return cnt_expected_entries;
3105
3106         /* port_id checked in eth_dev_get_xstats_count() */
3107         dev = &rte_eth_devices[port_id];
3108
3109         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3110
3111         if (dev->dev_ops->xstats_get_names != NULL) {
3112                 /* If there are any driver-specific xstats, append them
3113                  * to end of list.
3114                  */
3115                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3116                         dev,
3117                         xstats_names + cnt_used_entries,
3118                         size - cnt_used_entries);
3119                 if (cnt_driver_entries < 0)
3120                         return eth_err(port_id, cnt_driver_entries);
3121                 cnt_used_entries += cnt_driver_entries;
3122         }
3123
3124         return cnt_used_entries;
3125 }
3126
3127
3128 static int
3129 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3130 {
3131         struct rte_eth_dev *dev;
3132         struct rte_eth_stats eth_stats;
3133         unsigned int count = 0, i, q;
3134         uint64_t val, *stats_ptr;
3135         uint16_t nb_rxqs, nb_txqs;
3136         int ret;
3137
3138         ret = rte_eth_stats_get(port_id, &eth_stats);
3139         if (ret < 0)
3140                 return ret;
3141
3142         dev = &rte_eth_devices[port_id];
3143
3144         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3145         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3146
3147         /* global stats */
3148         for (i = 0; i < RTE_NB_STATS; i++) {
3149                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3150                                         eth_dev_stats_strings[i].offset);
3151                 val = *stats_ptr;
3152                 xstats[count++].value = val;
3153         }
3154
3155         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3156                 return count;
3157
3158         /* per-rxq stats */
3159         for (q = 0; q < nb_rxqs; q++) {
3160                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3161                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3162                                         eth_dev_rxq_stats_strings[i].offset +
3163                                         q * sizeof(uint64_t));
3164                         val = *stats_ptr;
3165                         xstats[count++].value = val;
3166                 }
3167         }
3168
3169         /* per-txq stats */
3170         for (q = 0; q < nb_txqs; q++) {
3171                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3172                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3173                                         eth_dev_txq_stats_strings[i].offset +
3174                                         q * sizeof(uint64_t));
3175                         val = *stats_ptr;
3176                         xstats[count++].value = val;
3177                 }
3178         }
3179         return count;
3180 }
3181
3182 /* retrieve ethdev extended statistics */
3183 int
3184 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3185                          uint64_t *values, unsigned int size)
3186 {
3187         unsigned int no_basic_stat_requested = 1;
3188         unsigned int no_ext_stat_requested = 1;
3189         unsigned int num_xstats_filled;
3190         unsigned int basic_count;
3191         uint16_t expected_entries;
3192         struct rte_eth_dev *dev;
3193         unsigned int i;
3194         int ret;
3195
3196         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3197         dev = &rte_eth_devices[port_id];
3198
3199         ret = eth_dev_get_xstats_count(port_id);
3200         if (ret < 0)
3201                 return ret;
3202         expected_entries = (uint16_t)ret;
3203         struct rte_eth_xstat xstats[expected_entries];
3204         basic_count = eth_dev_get_xstats_basic_count(dev);
3205
3206         /* Return max number of stats if no ids given */
3207         if (!ids) {
3208                 if (!values)
3209                         return expected_entries;
3210                 else if (values && size < expected_entries)
3211                         return expected_entries;
3212         }
3213
3214         if (ids && !values)
3215                 return -EINVAL;
3216
3217         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3218                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3219                 uint64_t ids_copy[size];
3220
3221                 for (i = 0; i < size; i++) {
3222                         if (ids[i] < basic_count) {
3223                                 no_basic_stat_requested = 0;
3224                                 break;
3225                         }
3226
3227                         /*
3228                          * Convert ids to xstats ids that PMD knows.
3229                          * ids known by user are basic + extended stats.
3230                          */
3231                         ids_copy[i] = ids[i] - basic_count;
3232                 }
3233
3234                 if (no_basic_stat_requested)
3235                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3236                                         values, size);
3237         }
3238
3239         if (ids) {
3240                 for (i = 0; i < size; i++) {
3241                         if (ids[i] >= basic_count) {
3242                                 no_ext_stat_requested = 0;
3243                                 break;
3244                         }
3245                 }
3246         }
3247
3248         /* Fill the xstats structure */
3249         if (ids && no_ext_stat_requested)
3250                 ret = eth_basic_stats_get(port_id, xstats);
3251         else
3252                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3253
3254         if (ret < 0)
3255                 return ret;
3256         num_xstats_filled = (unsigned int)ret;
3257
3258         /* Return all stats */
3259         if (!ids) {
3260                 for (i = 0; i < num_xstats_filled; i++)
3261                         values[i] = xstats[i].value;
3262                 return expected_entries;
3263         }
3264
3265         /* Filter stats */
3266         for (i = 0; i < size; i++) {
3267                 if (ids[i] >= expected_entries) {
3268                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3269                         return -1;
3270                 }
3271                 values[i] = xstats[ids[i]].value;
3272         }
3273         return size;
3274 }
3275
3276 int
3277 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3278         unsigned int n)
3279 {
3280         struct rte_eth_dev *dev;
3281         unsigned int count = 0, i;
3282         signed int xcount = 0;
3283         uint16_t nb_rxqs, nb_txqs;
3284         int ret;
3285
3286         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3287         dev = &rte_eth_devices[port_id];
3288
3289         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3290         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3291
3292         /* Return generic statistics */
3293         count = RTE_NB_STATS;
3294         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3295                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3296
3297         /* implemented by the driver */
3298         if (dev->dev_ops->xstats_get != NULL) {
3299                 /* Retrieve the xstats from the driver at the end of the
3300                  * xstats struct.
3301                  */
3302                 xcount = (*dev->dev_ops->xstats_get)(dev,
3303                                      xstats ? xstats + count : NULL,
3304                                      (n > count) ? n - count : 0);
3305
3306                 if (xcount < 0)
3307                         return eth_err(port_id, xcount);
3308         }
3309
3310         if (n < count + xcount || xstats == NULL)
3311                 return count + xcount;
3312
3313         /* now fill the xstats structure */
3314         ret = eth_basic_stats_get(port_id, xstats);
3315         if (ret < 0)
3316                 return ret;
3317         count = ret;
3318
3319         for (i = 0; i < count; i++)
3320                 xstats[i].id = i;
3321         /* add an offset to driver-specific stats */
3322         for ( ; i < count + xcount; i++)
3323                 xstats[i].id += count;
3324
3325         return count + xcount;
3326 }
3327
3328 /* reset ethdev extended statistics */
3329 int
3330 rte_eth_xstats_reset(uint16_t port_id)
3331 {
3332         struct rte_eth_dev *dev;
3333
3334         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3335         dev = &rte_eth_devices[port_id];
3336
3337         /* implemented by the driver */
3338         if (dev->dev_ops->xstats_reset != NULL)
3339                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3340
3341         /* fallback to default */
3342         return rte_eth_stats_reset(port_id);
3343 }
3344
3345 static int
3346 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3347                 uint8_t stat_idx, uint8_t is_rx)
3348 {
3349         struct rte_eth_dev *dev;
3350
3351         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3352         dev = &rte_eth_devices[port_id];
3353
3354         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3355                 return -EINVAL;
3356
3357         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3358                 return -EINVAL;
3359
3360         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3361                 return -EINVAL;
3362
3363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3364         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3365 }
3366
3367 int
3368 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3369                 uint8_t stat_idx)
3370 {
3371         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3372                                                 tx_queue_id,
3373                                                 stat_idx, STAT_QMAP_TX));
3374 }
3375
3376 int
3377 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3378                 uint8_t stat_idx)
3379 {
3380         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3381                                                 rx_queue_id,
3382                                                 stat_idx, STAT_QMAP_RX));
3383 }
3384
3385 int
3386 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3387 {
3388         struct rte_eth_dev *dev;
3389
3390         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3391         dev = &rte_eth_devices[port_id];
3392
3393         if (fw_version == NULL && fw_size > 0) {
3394                 RTE_ETHDEV_LOG(ERR,
3395                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3396                         port_id);
3397                 return -EINVAL;
3398         }
3399
3400         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3401         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3402                                                         fw_version, fw_size));
3403 }
3404
3405 int
3406 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3407 {
3408         struct rte_eth_dev *dev;
3409         const struct rte_eth_desc_lim lim = {
3410                 .nb_max = UINT16_MAX,
3411                 .nb_min = 0,
3412                 .nb_align = 1,
3413                 .nb_seg_max = UINT16_MAX,
3414                 .nb_mtu_seg_max = UINT16_MAX,
3415         };
3416         int diag;
3417
3418         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3419         dev = &rte_eth_devices[port_id];
3420
3421         if (dev_info == NULL) {
3422                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3423                         port_id);
3424                 return -EINVAL;
3425         }
3426
3427         /*
3428          * Init dev_info before port_id check since caller does not have
3429          * return status and does not know if get is successful or not.
3430          */
3431         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3432         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3433
3434         dev_info->rx_desc_lim = lim;
3435         dev_info->tx_desc_lim = lim;
3436         dev_info->device = dev->device;
3437         dev_info->min_mtu = RTE_ETHER_MIN_LEN - RTE_ETHER_HDR_LEN -
3438                 RTE_ETHER_CRC_LEN;
3439         dev_info->max_mtu = UINT16_MAX;
3440
3441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3442         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3443         if (diag != 0) {
3444                 /* Cleanup already filled in device information */
3445                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3446                 return eth_err(port_id, diag);
3447         }
3448
3449         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3450         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3451                         RTE_MAX_QUEUES_PER_PORT);
3452         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3453                         RTE_MAX_QUEUES_PER_PORT);
3454
3455         dev_info->driver_name = dev->device->driver->name;
3456         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3457         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3458
3459         dev_info->dev_flags = &dev->data->dev_flags;
3460
3461         return 0;
3462 }
3463
3464 int
3465 rte_eth_dev_conf_get(uint16_t port_id, struct rte_eth_conf *dev_conf)
3466 {
3467         struct rte_eth_dev *dev;
3468
3469         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3470         dev = &rte_eth_devices[port_id];
3471
3472         if (dev_conf == NULL) {
3473                 RTE_ETHDEV_LOG(ERR,
3474                         "Cannot get ethdev port %u configuration to NULL\n",
3475                         port_id);
3476                 return -EINVAL;
3477         }
3478
3479         memcpy(dev_conf, &dev->data->dev_conf, sizeof(struct rte_eth_conf));
3480
3481         return 0;
3482 }
3483
3484 int
3485 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3486                                  uint32_t *ptypes, int num)
3487 {
3488         int i, j;
3489         struct rte_eth_dev *dev;
3490         const uint32_t *all_ptypes;
3491
3492         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3493         dev = &rte_eth_devices[port_id];
3494
3495         if (ptypes == NULL && num > 0) {
3496                 RTE_ETHDEV_LOG(ERR,
3497                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3498                         port_id);
3499                 return -EINVAL;
3500         }
3501
3502         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3503         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3504
3505         if (!all_ptypes)
3506                 return 0;
3507
3508         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3509                 if (all_ptypes[i] & ptype_mask) {
3510                         if (j < num)
3511                                 ptypes[j] = all_ptypes[i];
3512                         j++;
3513                 }
3514
3515         return j;
3516 }
3517
3518 int
3519 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3520                                  uint32_t *set_ptypes, unsigned int num)
3521 {
3522         const uint32_t valid_ptype_masks[] = {
3523                 RTE_PTYPE_L2_MASK,
3524                 RTE_PTYPE_L3_MASK,
3525                 RTE_PTYPE_L4_MASK,
3526                 RTE_PTYPE_TUNNEL_MASK,
3527                 RTE_PTYPE_INNER_L2_MASK,
3528                 RTE_PTYPE_INNER_L3_MASK,
3529                 RTE_PTYPE_INNER_L4_MASK,
3530         };
3531         const uint32_t *all_ptypes;
3532         struct rte_eth_dev *dev;
3533         uint32_t unused_mask;
3534         unsigned int i, j;
3535         int ret;
3536
3537         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3538         dev = &rte_eth_devices[port_id];
3539
3540         if (num > 0 && set_ptypes == NULL) {
3541                 RTE_ETHDEV_LOG(ERR,
3542                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3543                         port_id);
3544                 return -EINVAL;
3545         }
3546
3547         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3548                         *dev->dev_ops->dev_ptypes_set == NULL) {
3549                 ret = 0;
3550                 goto ptype_unknown;
3551         }
3552
3553         if (ptype_mask == 0) {
3554                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3555                                 ptype_mask);
3556                 goto ptype_unknown;
3557         }
3558
3559         unused_mask = ptype_mask;
3560         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3561                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3562                 if (mask && mask != valid_ptype_masks[i]) {
3563                         ret = -EINVAL;
3564                         goto ptype_unknown;
3565                 }
3566                 unused_mask &= ~valid_ptype_masks[i];
3567         }
3568
3569         if (unused_mask) {
3570                 ret = -EINVAL;
3571                 goto ptype_unknown;
3572         }
3573
3574         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3575         if (all_ptypes == NULL) {
3576                 ret = 0;
3577                 goto ptype_unknown;
3578         }
3579
3580         /*
3581          * Accommodate as many set_ptypes as possible. If the supplied
3582          * set_ptypes array is insufficient fill it partially.
3583          */
3584         for (i = 0, j = 0; set_ptypes != NULL &&
3585                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3586                 if (ptype_mask & all_ptypes[i]) {
3587                         if (j < num - 1) {
3588                                 set_ptypes[j] = all_ptypes[i];
3589                                 j++;
3590                                 continue;
3591                         }
3592                         break;
3593                 }
3594         }
3595
3596         if (set_ptypes != NULL && j < num)
3597                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3598
3599         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3600
3601 ptype_unknown:
3602         if (num > 0)
3603                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3604
3605         return ret;
3606 }
3607
3608 int
3609 rte_eth_macaddrs_get(uint16_t port_id, struct rte_ether_addr *ma,
3610         unsigned int num)
3611 {
3612         int32_t ret;
3613         struct rte_eth_dev *dev;
3614         struct rte_eth_dev_info dev_info;
3615
3616         if (ma == NULL) {
3617                 RTE_ETHDEV_LOG(ERR, "%s: invalid parameters\n", __func__);
3618                 return -EINVAL;
3619         }
3620
3621         /* will check for us that port_id is a valid one */
3622         ret = rte_eth_dev_info_get(port_id, &dev_info);
3623         if (ret != 0)
3624                 return ret;
3625
3626         dev = &rte_eth_devices[port_id];
3627         num = RTE_MIN(dev_info.max_mac_addrs, num);
3628         memcpy(ma, dev->data->mac_addrs, num * sizeof(ma[0]));
3629
3630         return num;
3631 }
3632
3633 int
3634 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3635 {
3636         struct rte_eth_dev *dev;
3637
3638         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3639         dev = &rte_eth_devices[port_id];
3640
3641         if (mac_addr == NULL) {
3642                 RTE_ETHDEV_LOG(ERR,
3643                         "Cannot get ethdev port %u MAC address to NULL\n",
3644                         port_id);
3645                 return -EINVAL;
3646         }
3647
3648         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3649
3650         return 0;
3651 }
3652
3653 int
3654 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3655 {
3656         struct rte_eth_dev *dev;
3657
3658         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3659         dev = &rte_eth_devices[port_id];
3660
3661         if (mtu == NULL) {
3662                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3663                         port_id);
3664                 return -EINVAL;
3665         }
3666
3667         *mtu = dev->data->mtu;
3668         return 0;
3669 }
3670
3671 int
3672 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3673 {
3674         int ret;
3675         struct rte_eth_dev_info dev_info;
3676         struct rte_eth_dev *dev;
3677
3678         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3679         dev = &rte_eth_devices[port_id];
3680         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3681
3682         /*
3683          * Check if the device supports dev_infos_get, if it does not
3684          * skip min_mtu/max_mtu validation here as this requires values
3685          * that are populated within the call to rte_eth_dev_info_get()
3686          * which relies on dev->dev_ops->dev_infos_get.
3687          */
3688         if (*dev->dev_ops->dev_infos_get != NULL) {
3689                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3690                 if (ret != 0)
3691                         return ret;
3692
3693                 ret = eth_dev_validate_mtu(port_id, &dev_info, mtu);
3694                 if (ret != 0)
3695                         return ret;
3696         }
3697
3698         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3699         if (ret == 0)
3700                 dev->data->mtu = mtu;
3701
3702         return eth_err(port_id, ret);
3703 }
3704
3705 int
3706 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3707 {
3708         struct rte_eth_dev *dev;
3709         int ret;
3710
3711         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3712         dev = &rte_eth_devices[port_id];
3713
3714         if (!(dev->data->dev_conf.rxmode.offloads &
3715               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3716                 RTE_ETHDEV_LOG(ERR, "Port %u: VLAN-filtering disabled\n",
3717                         port_id);
3718                 return -ENOSYS;
3719         }
3720
3721         if (vlan_id > 4095) {
3722                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3723                         port_id, vlan_id);
3724                 return -EINVAL;
3725         }
3726         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3727
3728         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3729         if (ret == 0) {
3730                 struct rte_vlan_filter_conf *vfc;
3731                 int vidx;
3732                 int vbit;
3733
3734                 vfc = &dev->data->vlan_filter_conf;
3735                 vidx = vlan_id / 64;
3736                 vbit = vlan_id % 64;
3737
3738                 if (on)
3739                         vfc->ids[vidx] |= RTE_BIT64(vbit);
3740                 else
3741                         vfc->ids[vidx] &= ~RTE_BIT64(vbit);
3742         }
3743
3744         return eth_err(port_id, ret);
3745 }
3746
3747 int
3748 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3749                                     int on)
3750 {
3751         struct rte_eth_dev *dev;
3752
3753         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3754         dev = &rte_eth_devices[port_id];
3755
3756         if (rx_queue_id >= dev->data->nb_rx_queues) {
3757                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3758                 return -EINVAL;
3759         }
3760
3761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3762         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3763
3764         return 0;
3765 }
3766
3767 int
3768 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3769                                 enum rte_vlan_type vlan_type,
3770                                 uint16_t tpid)
3771 {
3772         struct rte_eth_dev *dev;
3773
3774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3775         dev = &rte_eth_devices[port_id];
3776
3777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3778         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3779                                                                tpid));
3780 }
3781
3782 int
3783 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3784 {
3785         struct rte_eth_dev_info dev_info;
3786         struct rte_eth_dev *dev;
3787         int ret = 0;
3788         int mask = 0;
3789         int cur, org = 0;
3790         uint64_t orig_offloads;
3791         uint64_t dev_offloads;
3792         uint64_t new_offloads;
3793
3794         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3795         dev = &rte_eth_devices[port_id];
3796
3797         /* save original values in case of failure */
3798         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3799         dev_offloads = orig_offloads;
3800
3801         /* check which option changed by application */
3802         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3803         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3804         if (cur != org) {
3805                 if (cur)
3806                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3807                 else
3808                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3809                 mask |= ETH_VLAN_STRIP_MASK;
3810         }
3811
3812         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3813         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3814         if (cur != org) {
3815                 if (cur)
3816                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3817                 else
3818                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3819                 mask |= ETH_VLAN_FILTER_MASK;
3820         }
3821
3822         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3823         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3824         if (cur != org) {
3825                 if (cur)
3826                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3827                 else
3828                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3829                 mask |= ETH_VLAN_EXTEND_MASK;
3830         }
3831
3832         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3833         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3834         if (cur != org) {
3835                 if (cur)
3836                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3837                 else
3838                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3839                 mask |= ETH_QINQ_STRIP_MASK;
3840         }
3841
3842         /*no change*/
3843         if (mask == 0)
3844                 return ret;
3845
3846         ret = rte_eth_dev_info_get(port_id, &dev_info);
3847         if (ret != 0)
3848                 return ret;
3849
3850         /* Rx VLAN offloading must be within its device capabilities */
3851         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3852                 new_offloads = dev_offloads & ~orig_offloads;
3853                 RTE_ETHDEV_LOG(ERR,
3854                         "Ethdev port_id=%u requested new added VLAN offloads "
3855                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3856                         "0x%" PRIx64 " in %s()\n",
3857                         port_id, new_offloads, dev_info.rx_offload_capa,
3858                         __func__);
3859                 return -EINVAL;
3860         }
3861
3862         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3863         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3864         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3865         if (ret) {
3866                 /* hit an error restore  original values */
3867                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3868         }
3869
3870         return eth_err(port_id, ret);
3871 }
3872
3873 int
3874 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3875 {
3876         struct rte_eth_dev *dev;
3877         uint64_t *dev_offloads;
3878         int ret = 0;
3879
3880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3881         dev = &rte_eth_devices[port_id];
3882         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3883
3884         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3885                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3886
3887         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3888                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3889
3890         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3891                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3892
3893         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3894                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3895
3896         return ret;
3897 }
3898
3899 int
3900 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3901 {
3902         struct rte_eth_dev *dev;
3903
3904         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3905         dev = &rte_eth_devices[port_id];
3906
3907         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3908         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3909 }
3910
3911 int
3912 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3913 {
3914         struct rte_eth_dev *dev;
3915
3916         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3917         dev = &rte_eth_devices[port_id];
3918
3919         if (fc_conf == NULL) {
3920                 RTE_ETHDEV_LOG(ERR,
3921                         "Cannot get ethdev port %u flow control config to NULL\n",
3922                         port_id);
3923                 return -EINVAL;
3924         }
3925
3926         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3927         memset(fc_conf, 0, sizeof(*fc_conf));
3928         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3929 }
3930
3931 int
3932 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3933 {
3934         struct rte_eth_dev *dev;
3935
3936         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3937         dev = &rte_eth_devices[port_id];
3938
3939         if (fc_conf == NULL) {
3940                 RTE_ETHDEV_LOG(ERR,
3941                         "Cannot set ethdev port %u flow control from NULL config\n",
3942                         port_id);
3943                 return -EINVAL;
3944         }
3945
3946         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3947                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3948                 return -EINVAL;
3949         }
3950
3951         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3952         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3953 }
3954
3955 int
3956 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3957                                    struct rte_eth_pfc_conf *pfc_conf)
3958 {
3959         struct rte_eth_dev *dev;
3960
3961         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3962         dev = &rte_eth_devices[port_id];
3963
3964         if (pfc_conf == NULL) {
3965                 RTE_ETHDEV_LOG(ERR,
3966                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3967                         port_id);
3968                 return -EINVAL;
3969         }
3970
3971         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3972                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3973                 return -EINVAL;
3974         }
3975
3976         /* High water, low water validation are device specific */
3977         if  (*dev->dev_ops->priority_flow_ctrl_set)
3978                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3979                                         (dev, pfc_conf));
3980         return -ENOTSUP;
3981 }
3982
3983 static int
3984 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3985                         uint16_t reta_size)
3986 {
3987         uint16_t i, num;
3988
3989         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3990         for (i = 0; i < num; i++) {
3991                 if (reta_conf[i].mask)
3992                         return 0;
3993         }
3994
3995         return -EINVAL;
3996 }
3997
3998 static int
3999 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
4000                          uint16_t reta_size,
4001                          uint16_t max_rxq)
4002 {
4003         uint16_t i, idx, shift;
4004
4005         if (max_rxq == 0) {
4006                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
4007                 return -EINVAL;
4008         }
4009
4010         for (i = 0; i < reta_size; i++) {
4011                 idx = i / RTE_RETA_GROUP_SIZE;
4012                 shift = i % RTE_RETA_GROUP_SIZE;
4013                 if ((reta_conf[idx].mask & RTE_BIT64(shift)) &&
4014                         (reta_conf[idx].reta[shift] >= max_rxq)) {
4015                         RTE_ETHDEV_LOG(ERR,
4016                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
4017                                 idx, shift,
4018                                 reta_conf[idx].reta[shift], max_rxq);
4019                         return -EINVAL;
4020                 }
4021         }
4022
4023         return 0;
4024 }
4025
4026 int
4027 rte_eth_dev_rss_reta_update(uint16_t port_id,
4028                             struct rte_eth_rss_reta_entry64 *reta_conf,
4029                             uint16_t reta_size)
4030 {
4031         struct rte_eth_dev *dev;
4032         int ret;
4033
4034         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4035         dev = &rte_eth_devices[port_id];
4036
4037         if (reta_conf == NULL) {
4038                 RTE_ETHDEV_LOG(ERR,
4039                         "Cannot update ethdev port %u RSS RETA to NULL\n",
4040                         port_id);
4041                 return -EINVAL;
4042         }
4043
4044         if (reta_size == 0) {
4045                 RTE_ETHDEV_LOG(ERR,
4046                         "Cannot update ethdev port %u RSS RETA with zero size\n",
4047                         port_id);
4048                 return -EINVAL;
4049         }
4050
4051         /* Check mask bits */
4052         ret = eth_check_reta_mask(reta_conf, reta_size);
4053         if (ret < 0)
4054                 return ret;
4055
4056         /* Check entry value */
4057         ret = eth_check_reta_entry(reta_conf, reta_size,
4058                                 dev->data->nb_rx_queues);
4059         if (ret < 0)
4060                 return ret;
4061
4062         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4063         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4064                                                              reta_size));
4065 }
4066
4067 int
4068 rte_eth_dev_rss_reta_query(uint16_t port_id,
4069                            struct rte_eth_rss_reta_entry64 *reta_conf,
4070                            uint16_t reta_size)
4071 {
4072         struct rte_eth_dev *dev;
4073         int ret;
4074
4075         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4076         dev = &rte_eth_devices[port_id];
4077
4078         if (reta_conf == NULL) {
4079                 RTE_ETHDEV_LOG(ERR,
4080                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
4081                         port_id);
4082                 return -EINVAL;
4083         }
4084
4085         /* Check mask bits */
4086         ret = eth_check_reta_mask(reta_conf, reta_size);
4087         if (ret < 0)
4088                 return ret;
4089
4090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4091         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4092                                                             reta_size));
4093 }
4094
4095 int
4096 rte_eth_dev_rss_hash_update(uint16_t port_id,
4097                             struct rte_eth_rss_conf *rss_conf)
4098 {
4099         struct rte_eth_dev *dev;
4100         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4101         int ret;
4102
4103         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4104         dev = &rte_eth_devices[port_id];
4105
4106         if (rss_conf == NULL) {
4107                 RTE_ETHDEV_LOG(ERR,
4108                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4109                         port_id);
4110                 return -EINVAL;
4111         }
4112
4113         ret = rte_eth_dev_info_get(port_id, &dev_info);
4114         if (ret != 0)
4115                 return ret;
4116
4117         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4118         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4119             dev_info.flow_type_rss_offloads) {
4120                 RTE_ETHDEV_LOG(ERR,
4121                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4122                         port_id, rss_conf->rss_hf,
4123                         dev_info.flow_type_rss_offloads);
4124                 return -EINVAL;
4125         }
4126         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4127         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4128                                                                  rss_conf));
4129 }
4130
4131 int
4132 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4133                               struct rte_eth_rss_conf *rss_conf)
4134 {
4135         struct rte_eth_dev *dev;
4136
4137         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4138         dev = &rte_eth_devices[port_id];
4139
4140         if (rss_conf == NULL) {
4141                 RTE_ETHDEV_LOG(ERR,
4142                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4143                         port_id);
4144                 return -EINVAL;
4145         }
4146
4147         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4148         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4149                                                                    rss_conf));
4150 }
4151
4152 int
4153 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4154                                 struct rte_eth_udp_tunnel *udp_tunnel)
4155 {
4156         struct rte_eth_dev *dev;
4157
4158         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4159         dev = &rte_eth_devices[port_id];
4160
4161         if (udp_tunnel == NULL) {
4162                 RTE_ETHDEV_LOG(ERR,
4163                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4164                         port_id);
4165                 return -EINVAL;
4166         }
4167
4168         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4169                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4170                 return -EINVAL;
4171         }
4172
4173         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4174         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4175                                                                 udp_tunnel));
4176 }
4177
4178 int
4179 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4180                                    struct rte_eth_udp_tunnel *udp_tunnel)
4181 {
4182         struct rte_eth_dev *dev;
4183
4184         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4185         dev = &rte_eth_devices[port_id];
4186
4187         if (udp_tunnel == NULL) {
4188                 RTE_ETHDEV_LOG(ERR,
4189                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4190                         port_id);
4191                 return -EINVAL;
4192         }
4193
4194         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4195                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4196                 return -EINVAL;
4197         }
4198
4199         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4200         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4201                                                                 udp_tunnel));
4202 }
4203
4204 int
4205 rte_eth_led_on(uint16_t port_id)
4206 {
4207         struct rte_eth_dev *dev;
4208
4209         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4210         dev = &rte_eth_devices[port_id];
4211
4212         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4213         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4214 }
4215
4216 int
4217 rte_eth_led_off(uint16_t port_id)
4218 {
4219         struct rte_eth_dev *dev;
4220
4221         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4222         dev = &rte_eth_devices[port_id];
4223
4224         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4225         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4226 }
4227
4228 int
4229 rte_eth_fec_get_capability(uint16_t port_id,
4230                            struct rte_eth_fec_capa *speed_fec_capa,
4231                            unsigned int num)
4232 {
4233         struct rte_eth_dev *dev;
4234         int ret;
4235
4236         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4237         dev = &rte_eth_devices[port_id];
4238
4239         if (speed_fec_capa == NULL && num > 0) {
4240                 RTE_ETHDEV_LOG(ERR,
4241                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4242                         port_id);
4243                 return -EINVAL;
4244         }
4245
4246         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4247         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4248
4249         return ret;
4250 }
4251
4252 int
4253 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4254 {
4255         struct rte_eth_dev *dev;
4256
4257         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4258         dev = &rte_eth_devices[port_id];
4259
4260         if (fec_capa == NULL) {
4261                 RTE_ETHDEV_LOG(ERR,
4262                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4263                         port_id);
4264                 return -EINVAL;
4265         }
4266
4267         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4268         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4269 }
4270
4271 int
4272 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4273 {
4274         struct rte_eth_dev *dev;
4275
4276         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4277         dev = &rte_eth_devices[port_id];
4278
4279         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4280         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4281 }
4282
4283 /*
4284  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4285  * an empty spot.
4286  */
4287 static int
4288 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4289 {
4290         struct rte_eth_dev_info dev_info;
4291         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4292         unsigned i;
4293         int ret;
4294
4295         ret = rte_eth_dev_info_get(port_id, &dev_info);
4296         if (ret != 0)
4297                 return -1;
4298
4299         for (i = 0; i < dev_info.max_mac_addrs; i++)
4300                 if (memcmp(addr, &dev->data->mac_addrs[i],
4301                                 RTE_ETHER_ADDR_LEN) == 0)
4302                         return i;
4303
4304         return -1;
4305 }
4306
4307 static const struct rte_ether_addr null_mac_addr;
4308
4309 int
4310 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4311                         uint32_t pool)
4312 {
4313         struct rte_eth_dev *dev;
4314         int index;
4315         uint64_t pool_mask;
4316         int ret;
4317
4318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4319         dev = &rte_eth_devices[port_id];
4320
4321         if (addr == NULL) {
4322                 RTE_ETHDEV_LOG(ERR,
4323                         "Cannot add ethdev port %u MAC address from NULL address\n",
4324                         port_id);
4325                 return -EINVAL;
4326         }
4327
4328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4329
4330         if (rte_is_zero_ether_addr(addr)) {
4331                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4332                         port_id);
4333                 return -EINVAL;
4334         }
4335         if (pool >= ETH_64_POOLS) {
4336                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4337                 return -EINVAL;
4338         }
4339
4340         index = eth_dev_get_mac_addr_index(port_id, addr);
4341         if (index < 0) {
4342                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4343                 if (index < 0) {
4344                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4345                                 port_id);
4346                         return -ENOSPC;
4347                 }
4348         } else {
4349                 pool_mask = dev->data->mac_pool_sel[index];
4350
4351                 /* Check if both MAC address and pool is already there, and do nothing */
4352                 if (pool_mask & RTE_BIT64(pool))
4353                         return 0;
4354         }
4355
4356         /* Update NIC */
4357         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4358
4359         if (ret == 0) {
4360                 /* Update address in NIC data structure */
4361                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4362
4363                 /* Update pool bitmap in NIC data structure */
4364                 dev->data->mac_pool_sel[index] |= RTE_BIT64(pool);
4365         }
4366
4367         return eth_err(port_id, ret);
4368 }
4369
4370 int
4371 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4372 {
4373         struct rte_eth_dev *dev;
4374         int index;
4375
4376         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4377         dev = &rte_eth_devices[port_id];
4378
4379         if (addr == NULL) {
4380                 RTE_ETHDEV_LOG(ERR,
4381                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4382                         port_id);
4383                 return -EINVAL;
4384         }
4385
4386         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4387
4388         index = eth_dev_get_mac_addr_index(port_id, addr);
4389         if (index == 0) {
4390                 RTE_ETHDEV_LOG(ERR,
4391                         "Port %u: Cannot remove default MAC address\n",
4392                         port_id);
4393                 return -EADDRINUSE;
4394         } else if (index < 0)
4395                 return 0;  /* Do nothing if address wasn't found */
4396
4397         /* Update NIC */
4398         (*dev->dev_ops->mac_addr_remove)(dev, index);
4399
4400         /* Update address in NIC data structure */
4401         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4402
4403         /* reset pool bitmap */
4404         dev->data->mac_pool_sel[index] = 0;
4405
4406         return 0;
4407 }
4408
4409 int
4410 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4411 {
4412         struct rte_eth_dev *dev;
4413         int ret;
4414
4415         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4416         dev = &rte_eth_devices[port_id];
4417
4418         if (addr == NULL) {
4419                 RTE_ETHDEV_LOG(ERR,
4420                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4421                         port_id);
4422                 return -EINVAL;
4423         }
4424
4425         if (!rte_is_valid_assigned_ether_addr(addr))
4426                 return -EINVAL;
4427
4428         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4429
4430         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4431         if (ret < 0)
4432                 return ret;
4433
4434         /* Update default address in NIC data structure */
4435         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4436
4437         return 0;
4438 }
4439
4440
4441 /*
4442  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4443  * an empty spot.
4444  */
4445 static int
4446 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4447                 const struct rte_ether_addr *addr)
4448 {
4449         struct rte_eth_dev_info dev_info;
4450         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4451         unsigned i;
4452         int ret;
4453
4454         ret = rte_eth_dev_info_get(port_id, &dev_info);
4455         if (ret != 0)
4456                 return -1;
4457
4458         if (!dev->data->hash_mac_addrs)
4459                 return -1;
4460
4461         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4462                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4463                         RTE_ETHER_ADDR_LEN) == 0)
4464                         return i;
4465
4466         return -1;
4467 }
4468
4469 int
4470 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4471                                 uint8_t on)
4472 {
4473         int index;
4474         int ret;
4475         struct rte_eth_dev *dev;
4476
4477         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4478         dev = &rte_eth_devices[port_id];
4479
4480         if (addr == NULL) {
4481                 RTE_ETHDEV_LOG(ERR,
4482                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4483                         port_id);
4484                 return -EINVAL;
4485         }
4486
4487         if (rte_is_zero_ether_addr(addr)) {
4488                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4489                         port_id);
4490                 return -EINVAL;
4491         }
4492
4493         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4494         /* Check if it's already there, and do nothing */
4495         if ((index >= 0) && on)
4496                 return 0;
4497
4498         if (index < 0) {
4499                 if (!on) {
4500                         RTE_ETHDEV_LOG(ERR,
4501                                 "Port %u: the MAC address was not set in UTA\n",
4502                                 port_id);
4503                         return -EINVAL;
4504                 }
4505
4506                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4507                 if (index < 0) {
4508                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4509                                 port_id);
4510                         return -ENOSPC;
4511                 }
4512         }
4513
4514         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4515         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4516         if (ret == 0) {
4517                 /* Update address in NIC data structure */
4518                 if (on)
4519                         rte_ether_addr_copy(addr,
4520                                         &dev->data->hash_mac_addrs[index]);
4521                 else
4522                         rte_ether_addr_copy(&null_mac_addr,
4523                                         &dev->data->hash_mac_addrs[index]);
4524         }
4525
4526         return eth_err(port_id, ret);
4527 }
4528
4529 int
4530 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4531 {
4532         struct rte_eth_dev *dev;
4533
4534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4535         dev = &rte_eth_devices[port_id];
4536
4537         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4538         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4539                                                                        on));
4540 }
4541
4542 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4543                                         uint16_t tx_rate)
4544 {
4545         struct rte_eth_dev *dev;
4546         struct rte_eth_dev_info dev_info;
4547         struct rte_eth_link link;
4548         int ret;
4549
4550         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4551         dev = &rte_eth_devices[port_id];
4552
4553         ret = rte_eth_dev_info_get(port_id, &dev_info);
4554         if (ret != 0)
4555                 return ret;
4556
4557         link = dev->data->dev_link;
4558
4559         if (queue_idx > dev_info.max_tx_queues) {
4560                 RTE_ETHDEV_LOG(ERR,
4561                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4562                         port_id, queue_idx);
4563                 return -EINVAL;
4564         }
4565
4566         if (tx_rate > link.link_speed) {
4567                 RTE_ETHDEV_LOG(ERR,
4568                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4569                         tx_rate, link.link_speed);
4570                 return -EINVAL;
4571         }
4572
4573         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4574         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4575                                                         queue_idx, tx_rate));
4576 }
4577
4578 RTE_INIT(eth_dev_init_fp_ops)
4579 {
4580         uint32_t i;
4581
4582         for (i = 0; i != RTE_DIM(rte_eth_fp_ops); i++)
4583                 eth_dev_fp_ops_reset(rte_eth_fp_ops + i);
4584 }
4585
4586 RTE_INIT(eth_dev_init_cb_lists)
4587 {
4588         uint16_t i;
4589
4590         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4591                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4592 }
4593
4594 int
4595 rte_eth_dev_callback_register(uint16_t port_id,
4596                         enum rte_eth_event_type event,
4597                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4598 {
4599         struct rte_eth_dev *dev;
4600         struct rte_eth_dev_callback *user_cb;
4601         uint16_t next_port;
4602         uint16_t last_port;
4603
4604         if (cb_fn == NULL) {
4605                 RTE_ETHDEV_LOG(ERR,
4606                         "Cannot register ethdev port %u callback from NULL\n",
4607                         port_id);
4608                 return -EINVAL;
4609         }
4610
4611         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4612                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4613                 return -EINVAL;
4614         }
4615
4616         if (port_id == RTE_ETH_ALL) {
4617                 next_port = 0;
4618                 last_port = RTE_MAX_ETHPORTS - 1;
4619         } else {
4620                 next_port = last_port = port_id;
4621         }
4622
4623         rte_spinlock_lock(&eth_dev_cb_lock);
4624
4625         do {
4626                 dev = &rte_eth_devices[next_port];
4627
4628                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4629                         if (user_cb->cb_fn == cb_fn &&
4630                                 user_cb->cb_arg == cb_arg &&
4631                                 user_cb->event == event) {
4632                                 break;
4633                         }
4634                 }
4635
4636                 /* create a new callback. */
4637                 if (user_cb == NULL) {
4638                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4639                                 sizeof(struct rte_eth_dev_callback), 0);
4640                         if (user_cb != NULL) {
4641                                 user_cb->cb_fn = cb_fn;
4642                                 user_cb->cb_arg = cb_arg;
4643                                 user_cb->event = event;
4644                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4645                                                   user_cb, next);
4646                         } else {
4647                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4648                                 rte_eth_dev_callback_unregister(port_id, event,
4649                                                                 cb_fn, cb_arg);
4650                                 return -ENOMEM;
4651                         }
4652
4653                 }
4654         } while (++next_port <= last_port);
4655
4656         rte_spinlock_unlock(&eth_dev_cb_lock);
4657         return 0;
4658 }
4659
4660 int
4661 rte_eth_dev_callback_unregister(uint16_t port_id,
4662                         enum rte_eth_event_type event,
4663                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4664 {
4665         int ret;
4666         struct rte_eth_dev *dev;
4667         struct rte_eth_dev_callback *cb, *next;
4668         uint16_t next_port;
4669         uint16_t last_port;
4670
4671         if (cb_fn == NULL) {
4672                 RTE_ETHDEV_LOG(ERR,
4673                         "Cannot unregister ethdev port %u callback from NULL\n",
4674                         port_id);
4675                 return -EINVAL;
4676         }
4677
4678         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4679                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4680                 return -EINVAL;
4681         }
4682
4683         if (port_id == RTE_ETH_ALL) {
4684                 next_port = 0;
4685                 last_port = RTE_MAX_ETHPORTS - 1;
4686         } else {
4687                 next_port = last_port = port_id;
4688         }
4689
4690         rte_spinlock_lock(&eth_dev_cb_lock);
4691
4692         do {
4693                 dev = &rte_eth_devices[next_port];
4694                 ret = 0;
4695                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4696                      cb = next) {
4697
4698                         next = TAILQ_NEXT(cb, next);
4699
4700                         if (cb->cb_fn != cb_fn || cb->event != event ||
4701                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4702                                 continue;
4703
4704                         /*
4705                          * if this callback is not executing right now,
4706                          * then remove it.
4707                          */
4708                         if (cb->active == 0) {
4709                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4710                                 rte_free(cb);
4711                         } else {
4712                                 ret = -EAGAIN;
4713                         }
4714                 }
4715         } while (++next_port <= last_port);
4716
4717         rte_spinlock_unlock(&eth_dev_cb_lock);
4718         return ret;
4719 }
4720
4721 int
4722 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4723         enum rte_eth_event_type event, void *ret_param)
4724 {
4725         struct rte_eth_dev_callback *cb_lst;
4726         struct rte_eth_dev_callback dev_cb;
4727         int rc = 0;
4728
4729         rte_spinlock_lock(&eth_dev_cb_lock);
4730         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4731                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4732                         continue;
4733                 dev_cb = *cb_lst;
4734                 cb_lst->active = 1;
4735                 if (ret_param != NULL)
4736                         dev_cb.ret_param = ret_param;
4737
4738                 rte_spinlock_unlock(&eth_dev_cb_lock);
4739                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4740                                 dev_cb.cb_arg, dev_cb.ret_param);
4741                 rte_spinlock_lock(&eth_dev_cb_lock);
4742                 cb_lst->active = 0;
4743         }
4744         rte_spinlock_unlock(&eth_dev_cb_lock);
4745         return rc;
4746 }
4747
4748 void
4749 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4750 {
4751         if (dev == NULL)
4752                 return;
4753
4754         /*
4755          * for secondary process, at that point we expect device
4756          * to be already 'usable', so shared data and all function pointers
4757          * for fast-path devops have to be setup properly inside rte_eth_dev.
4758          */
4759         if (rte_eal_process_type() == RTE_PROC_SECONDARY)
4760                 eth_dev_fp_ops_setup(rte_eth_fp_ops + dev->data->port_id, dev);
4761
4762         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4763
4764         dev->state = RTE_ETH_DEV_ATTACHED;
4765 }
4766
4767 int
4768 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4769 {
4770         uint32_t vec;
4771         struct rte_eth_dev *dev;
4772         struct rte_intr_handle *intr_handle;
4773         uint16_t qid;
4774         int rc;
4775
4776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4777         dev = &rte_eth_devices[port_id];
4778
4779         if (!dev->intr_handle) {
4780                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
4781                 return -ENOTSUP;
4782         }
4783
4784         intr_handle = dev->intr_handle;
4785         if (!intr_handle->intr_vec) {
4786                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
4787                 return -EPERM;
4788         }
4789
4790         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4791                 vec = intr_handle->intr_vec[qid];
4792                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4793                 if (rc && rc != -EEXIST) {
4794                         RTE_ETHDEV_LOG(ERR,
4795                                 "p %u q %u Rx ctl error op %d epfd %d vec %u\n",
4796                                 port_id, qid, op, epfd, vec);
4797                 }
4798         }
4799
4800         return 0;
4801 }
4802
4803 int
4804 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4805 {
4806         struct rte_intr_handle *intr_handle;
4807         struct rte_eth_dev *dev;
4808         unsigned int efd_idx;
4809         uint32_t vec;
4810         int fd;
4811
4812         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4813         dev = &rte_eth_devices[port_id];
4814
4815         if (queue_id >= dev->data->nb_rx_queues) {
4816                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
4817                 return -1;
4818         }
4819
4820         if (!dev->intr_handle) {
4821                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
4822                 return -1;
4823         }
4824
4825         intr_handle = dev->intr_handle;
4826         if (!intr_handle->intr_vec) {
4827                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
4828                 return -1;
4829         }
4830
4831         vec = intr_handle->intr_vec[queue_id];
4832         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4833                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4834         fd = intr_handle->efds[efd_idx];
4835
4836         return fd;
4837 }
4838
4839 static inline int
4840 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4841                 const char *ring_name)
4842 {
4843         return snprintf(name, len, "eth_p%d_q%d_%s",
4844                         port_id, queue_id, ring_name);
4845 }
4846
4847 const struct rte_memzone *
4848 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4849                          uint16_t queue_id, size_t size, unsigned align,
4850                          int socket_id)
4851 {
4852         char z_name[RTE_MEMZONE_NAMESIZE];
4853         const struct rte_memzone *mz;
4854         int rc;
4855
4856         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4857                         queue_id, ring_name);
4858         if (rc >= RTE_MEMZONE_NAMESIZE) {
4859                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4860                 rte_errno = ENAMETOOLONG;
4861                 return NULL;
4862         }
4863
4864         mz = rte_memzone_lookup(z_name);
4865         if (mz) {
4866                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4867                                 size > mz->len ||
4868                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4869                         RTE_ETHDEV_LOG(ERR,
4870                                 "memzone %s does not justify the requested attributes\n",
4871                                 mz->name);
4872                         return NULL;
4873                 }
4874
4875                 return mz;
4876         }
4877
4878         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4879                         RTE_MEMZONE_IOVA_CONTIG, align);
4880 }
4881
4882 int
4883 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4884                 uint16_t queue_id)
4885 {
4886         char z_name[RTE_MEMZONE_NAMESIZE];
4887         const struct rte_memzone *mz;
4888         int rc = 0;
4889
4890         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4891                         queue_id, ring_name);
4892         if (rc >= RTE_MEMZONE_NAMESIZE) {
4893                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4894                 return -ENAMETOOLONG;
4895         }
4896
4897         mz = rte_memzone_lookup(z_name);
4898         if (mz)
4899                 rc = rte_memzone_free(mz);
4900         else
4901                 rc = -ENOENT;
4902
4903         return rc;
4904 }
4905
4906 int
4907 rte_eth_dev_create(struct rte_device *device, const char *name,
4908         size_t priv_data_size,
4909         ethdev_bus_specific_init ethdev_bus_specific_init,
4910         void *bus_init_params,
4911         ethdev_init_t ethdev_init, void *init_params)
4912 {
4913         struct rte_eth_dev *ethdev;
4914         int retval;
4915
4916         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4917
4918         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4919                 ethdev = rte_eth_dev_allocate(name);
4920                 if (!ethdev)
4921                         return -ENODEV;
4922
4923                 if (priv_data_size) {
4924                         ethdev->data->dev_private = rte_zmalloc_socket(
4925                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4926                                 device->numa_node);
4927
4928                         if (!ethdev->data->dev_private) {
4929                                 RTE_ETHDEV_LOG(ERR,
4930                                         "failed to allocate private data\n");
4931                                 retval = -ENOMEM;
4932                                 goto probe_failed;
4933                         }
4934                 }
4935         } else {
4936                 ethdev = rte_eth_dev_attach_secondary(name);
4937                 if (!ethdev) {
4938                         RTE_ETHDEV_LOG(ERR,
4939                                 "secondary process attach failed, ethdev doesn't exist\n");
4940                         return  -ENODEV;
4941                 }
4942         }
4943
4944         ethdev->device = device;
4945
4946         if (ethdev_bus_specific_init) {
4947                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4948                 if (retval) {
4949                         RTE_ETHDEV_LOG(ERR,
4950                                 "ethdev bus specific initialisation failed\n");
4951                         goto probe_failed;
4952                 }
4953         }
4954
4955         retval = ethdev_init(ethdev, init_params);
4956         if (retval) {
4957                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4958                 goto probe_failed;
4959         }
4960
4961         rte_eth_dev_probing_finish(ethdev);
4962
4963         return retval;
4964
4965 probe_failed:
4966         rte_eth_dev_release_port(ethdev);
4967         return retval;
4968 }
4969
4970 int
4971 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4972         ethdev_uninit_t ethdev_uninit)
4973 {
4974         int ret;
4975
4976         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4977         if (!ethdev)
4978                 return -ENODEV;
4979
4980         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4981
4982         ret = ethdev_uninit(ethdev);
4983         if (ret)
4984                 return ret;
4985
4986         return rte_eth_dev_release_port(ethdev);
4987 }
4988
4989 int
4990 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4991                           int epfd, int op, void *data)
4992 {
4993         uint32_t vec;
4994         struct rte_eth_dev *dev;
4995         struct rte_intr_handle *intr_handle;
4996         int rc;
4997
4998         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4999         dev = &rte_eth_devices[port_id];
5000
5001         if (queue_id >= dev->data->nb_rx_queues) {
5002                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5003                 return -EINVAL;
5004         }
5005
5006         if (!dev->intr_handle) {
5007                 RTE_ETHDEV_LOG(ERR, "Rx Intr handle unset\n");
5008                 return -ENOTSUP;
5009         }
5010
5011         intr_handle = dev->intr_handle;
5012         if (!intr_handle->intr_vec) {
5013                 RTE_ETHDEV_LOG(ERR, "Rx Intr vector unset\n");
5014                 return -EPERM;
5015         }
5016
5017         vec = intr_handle->intr_vec[queue_id];
5018         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5019         if (rc && rc != -EEXIST) {
5020                 RTE_ETHDEV_LOG(ERR,
5021                         "p %u q %u Rx ctl error op %d epfd %d vec %u\n",
5022                         port_id, queue_id, op, epfd, vec);
5023                 return rc;
5024         }
5025
5026         return 0;
5027 }
5028
5029 int
5030 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5031                            uint16_t queue_id)
5032 {
5033         struct rte_eth_dev *dev;
5034         int ret;
5035
5036         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5037         dev = &rte_eth_devices[port_id];
5038
5039         ret = eth_dev_validate_rx_queue(dev, queue_id);
5040         if (ret != 0)
5041                 return ret;
5042
5043         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5044         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5045 }
5046
5047 int
5048 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5049                             uint16_t queue_id)
5050 {
5051         struct rte_eth_dev *dev;
5052         int ret;
5053
5054         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5055         dev = &rte_eth_devices[port_id];
5056
5057         ret = eth_dev_validate_rx_queue(dev, queue_id);
5058         if (ret != 0)
5059                 return ret;
5060
5061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5062         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5063 }
5064
5065
5066 const struct rte_eth_rxtx_callback *
5067 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5068                 rte_rx_callback_fn fn, void *user_param)
5069 {
5070 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5071         rte_errno = ENOTSUP;
5072         return NULL;
5073 #endif
5074         struct rte_eth_dev *dev;
5075
5076         /* check input parameters */
5077         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5078                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5079                 rte_errno = EINVAL;
5080                 return NULL;
5081         }
5082         dev = &rte_eth_devices[port_id];
5083         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5084                 rte_errno = EINVAL;
5085                 return NULL;
5086         }
5087         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5088
5089         if (cb == NULL) {
5090                 rte_errno = ENOMEM;
5091                 return NULL;
5092         }
5093
5094         cb->fn.rx = fn;
5095         cb->param = user_param;
5096
5097         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5098         /* Add the callbacks in fifo order. */
5099         struct rte_eth_rxtx_callback *tail =
5100                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5101
5102         if (!tail) {
5103                 /* Stores to cb->fn and cb->param should complete before
5104                  * cb is visible to data plane.
5105                  */
5106                 __atomic_store_n(
5107                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5108                         cb, __ATOMIC_RELEASE);
5109
5110         } else {
5111                 while (tail->next)
5112                         tail = tail->next;
5113                 /* Stores to cb->fn and cb->param should complete before
5114                  * cb is visible to data plane.
5115                  */
5116                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5117         }
5118         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5119
5120         return cb;
5121 }
5122
5123 const struct rte_eth_rxtx_callback *
5124 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5125                 rte_rx_callback_fn fn, void *user_param)
5126 {
5127 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5128         rte_errno = ENOTSUP;
5129         return NULL;
5130 #endif
5131         /* check input parameters */
5132         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5133                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5134                 rte_errno = EINVAL;
5135                 return NULL;
5136         }
5137
5138         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5139
5140         if (cb == NULL) {
5141                 rte_errno = ENOMEM;
5142                 return NULL;
5143         }
5144
5145         cb->fn.rx = fn;
5146         cb->param = user_param;
5147
5148         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5149         /* Add the callbacks at first position */
5150         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5151         /* Stores to cb->fn, cb->param and cb->next should complete before
5152          * cb is visible to data plane threads.
5153          */
5154         __atomic_store_n(
5155                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5156                 cb, __ATOMIC_RELEASE);
5157         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5158
5159         return cb;
5160 }
5161
5162 const struct rte_eth_rxtx_callback *
5163 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5164                 rte_tx_callback_fn fn, void *user_param)
5165 {
5166 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5167         rte_errno = ENOTSUP;
5168         return NULL;
5169 #endif
5170         struct rte_eth_dev *dev;
5171
5172         /* check input parameters */
5173         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5174                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5175                 rte_errno = EINVAL;
5176                 return NULL;
5177         }
5178
5179         dev = &rte_eth_devices[port_id];
5180         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5181                 rte_errno = EINVAL;
5182                 return NULL;
5183         }
5184
5185         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5186
5187         if (cb == NULL) {
5188                 rte_errno = ENOMEM;
5189                 return NULL;
5190         }
5191
5192         cb->fn.tx = fn;
5193         cb->param = user_param;
5194
5195         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5196         /* Add the callbacks in fifo order. */
5197         struct rte_eth_rxtx_callback *tail =
5198                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5199
5200         if (!tail) {
5201                 /* Stores to cb->fn and cb->param should complete before
5202                  * cb is visible to data plane.
5203                  */
5204                 __atomic_store_n(
5205                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5206                         cb, __ATOMIC_RELEASE);
5207
5208         } else {
5209                 while (tail->next)
5210                         tail = tail->next;
5211                 /* Stores to cb->fn and cb->param should complete before
5212                  * cb is visible to data plane.
5213                  */
5214                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5215         }
5216         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5217
5218         return cb;
5219 }
5220
5221 int
5222 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5223                 const struct rte_eth_rxtx_callback *user_cb)
5224 {
5225 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5226         return -ENOTSUP;
5227 #endif
5228         /* Check input parameters. */
5229         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5230         if (user_cb == NULL ||
5231                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5232                 return -EINVAL;
5233
5234         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5235         struct rte_eth_rxtx_callback *cb;
5236         struct rte_eth_rxtx_callback **prev_cb;
5237         int ret = -EINVAL;
5238
5239         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5240         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5241         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5242                 cb = *prev_cb;
5243                 if (cb == user_cb) {
5244                         /* Remove the user cb from the callback list. */
5245                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5246                         ret = 0;
5247                         break;
5248                 }
5249         }
5250         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5251
5252         return ret;
5253 }
5254
5255 int
5256 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5257                 const struct rte_eth_rxtx_callback *user_cb)
5258 {
5259 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5260         return -ENOTSUP;
5261 #endif
5262         /* Check input parameters. */
5263         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5264         if (user_cb == NULL ||
5265                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5266                 return -EINVAL;
5267
5268         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5269         int ret = -EINVAL;
5270         struct rte_eth_rxtx_callback *cb;
5271         struct rte_eth_rxtx_callback **prev_cb;
5272
5273         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5274         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5275         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5276                 cb = *prev_cb;
5277                 if (cb == user_cb) {
5278                         /* Remove the user cb from the callback list. */
5279                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5280                         ret = 0;
5281                         break;
5282                 }
5283         }
5284         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5285
5286         return ret;
5287 }
5288
5289 int
5290 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5291         struct rte_eth_rxq_info *qinfo)
5292 {
5293         struct rte_eth_dev *dev;
5294
5295         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5296         dev = &rte_eth_devices[port_id];
5297
5298         if (queue_id >= dev->data->nb_rx_queues) {
5299                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5300                 return -EINVAL;
5301         }
5302
5303         if (qinfo == NULL) {
5304                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5305                         port_id, queue_id);
5306                 return -EINVAL;
5307         }
5308
5309         if (dev->data->rx_queues == NULL ||
5310                         dev->data->rx_queues[queue_id] == NULL) {
5311                 RTE_ETHDEV_LOG(ERR,
5312                                "Rx queue %"PRIu16" of device with port_id=%"
5313                                PRIu16" has not been setup\n",
5314                                queue_id, port_id);
5315                 return -EINVAL;
5316         }
5317
5318         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5319                 RTE_ETHDEV_LOG(INFO,
5320                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5321                         queue_id, port_id);
5322                 return -EINVAL;
5323         }
5324
5325         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5326
5327         memset(qinfo, 0, sizeof(*qinfo));
5328         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5329         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5330
5331         return 0;
5332 }
5333
5334 int
5335 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5336         struct rte_eth_txq_info *qinfo)
5337 {
5338         struct rte_eth_dev *dev;
5339
5340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5341         dev = &rte_eth_devices[port_id];
5342
5343         if (queue_id >= dev->data->nb_tx_queues) {
5344                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", queue_id);
5345                 return -EINVAL;
5346         }
5347
5348         if (qinfo == NULL) {
5349                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5350                         port_id, queue_id);
5351                 return -EINVAL;
5352         }
5353
5354         if (dev->data->tx_queues == NULL ||
5355                         dev->data->tx_queues[queue_id] == NULL) {
5356                 RTE_ETHDEV_LOG(ERR,
5357                                "Tx queue %"PRIu16" of device with port_id=%"
5358                                PRIu16" has not been setup\n",
5359                                queue_id, port_id);
5360                 return -EINVAL;
5361         }
5362
5363         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5364                 RTE_ETHDEV_LOG(INFO,
5365                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5366                         queue_id, port_id);
5367                 return -EINVAL;
5368         }
5369
5370         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5371
5372         memset(qinfo, 0, sizeof(*qinfo));
5373         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5374         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5375
5376         return 0;
5377 }
5378
5379 int
5380 rte_eth_rx_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_rx_queues) {
5389                 RTE_ETHDEV_LOG(ERR, "Invalid Rx 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 Rx 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->rx_burst_mode_get, -ENOTSUP);
5401         memset(mode, 0, sizeof(*mode));
5402         return eth_err(port_id,
5403                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5404 }
5405
5406 int
5407 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5408                           struct rte_eth_burst_mode *mode)
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_tx_queues) {
5416                 RTE_ETHDEV_LOG(ERR, "Invalid Tx queue_id=%u\n", queue_id);
5417                 return -EINVAL;
5418         }
5419
5420         if (mode == NULL) {
5421                 RTE_ETHDEV_LOG(ERR,
5422                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5423                         port_id, queue_id);
5424                 return -EINVAL;
5425         }
5426
5427         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5428         memset(mode, 0, sizeof(*mode));
5429         return eth_err(port_id,
5430                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5431 }
5432
5433 int
5434 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5435                 struct rte_power_monitor_cond *pmc)
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         if (queue_id >= dev->data->nb_rx_queues) {
5443                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5444                 return -EINVAL;
5445         }
5446
5447         if (pmc == NULL) {
5448                 RTE_ETHDEV_LOG(ERR,
5449                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5450                         port_id, queue_id);
5451                 return -EINVAL;
5452         }
5453
5454         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5455         return eth_err(port_id,
5456                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5457 }
5458
5459 int
5460 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5461                              struct rte_ether_addr *mc_addr_set,
5462                              uint32_t nb_mc_addr)
5463 {
5464         struct rte_eth_dev *dev;
5465
5466         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5467         dev = &rte_eth_devices[port_id];
5468
5469         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5470         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5471                                                 mc_addr_set, nb_mc_addr));
5472 }
5473
5474 int
5475 rte_eth_timesync_enable(uint16_t port_id)
5476 {
5477         struct rte_eth_dev *dev;
5478
5479         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5480         dev = &rte_eth_devices[port_id];
5481
5482         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5483         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5484 }
5485
5486 int
5487 rte_eth_timesync_disable(uint16_t port_id)
5488 {
5489         struct rte_eth_dev *dev;
5490
5491         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5492         dev = &rte_eth_devices[port_id];
5493
5494         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5495         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5496 }
5497
5498 int
5499 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5500                                    uint32_t flags)
5501 {
5502         struct rte_eth_dev *dev;
5503
5504         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5505         dev = &rte_eth_devices[port_id];
5506
5507         if (timestamp == NULL) {
5508                 RTE_ETHDEV_LOG(ERR,
5509                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5510                         port_id);
5511                 return -EINVAL;
5512         }
5513
5514         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5515         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5516                                 (dev, timestamp, flags));
5517 }
5518
5519 int
5520 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5521                                    struct timespec *timestamp)
5522 {
5523         struct rte_eth_dev *dev;
5524
5525         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5526         dev = &rte_eth_devices[port_id];
5527
5528         if (timestamp == NULL) {
5529                 RTE_ETHDEV_LOG(ERR,
5530                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5531                         port_id);
5532                 return -EINVAL;
5533         }
5534
5535         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5536         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5537                                 (dev, timestamp));
5538 }
5539
5540 int
5541 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5542 {
5543         struct rte_eth_dev *dev;
5544
5545         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5546         dev = &rte_eth_devices[port_id];
5547
5548         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5549         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5550 }
5551
5552 int
5553 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5554 {
5555         struct rte_eth_dev *dev;
5556
5557         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5558         dev = &rte_eth_devices[port_id];
5559
5560         if (timestamp == NULL) {
5561                 RTE_ETHDEV_LOG(ERR,
5562                         "Cannot read ethdev port %u timesync time to NULL\n",
5563                         port_id);
5564                 return -EINVAL;
5565         }
5566
5567         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5568         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5569                                                                 timestamp));
5570 }
5571
5572 int
5573 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5574 {
5575         struct rte_eth_dev *dev;
5576
5577         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5578         dev = &rte_eth_devices[port_id];
5579
5580         if (timestamp == NULL) {
5581                 RTE_ETHDEV_LOG(ERR,
5582                         "Cannot write ethdev port %u timesync from NULL time\n",
5583                         port_id);
5584                 return -EINVAL;
5585         }
5586
5587         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5588         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5589                                                                 timestamp));
5590 }
5591
5592 int
5593 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5594 {
5595         struct rte_eth_dev *dev;
5596
5597         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5598         dev = &rte_eth_devices[port_id];
5599
5600         if (clock == NULL) {
5601                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5602                         port_id);
5603                 return -EINVAL;
5604         }
5605
5606         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5607         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5608 }
5609
5610 int
5611 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5612 {
5613         struct rte_eth_dev *dev;
5614
5615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5616         dev = &rte_eth_devices[port_id];
5617
5618         if (info == NULL) {
5619                 RTE_ETHDEV_LOG(ERR,
5620                         "Cannot get ethdev port %u register info to NULL\n",
5621                         port_id);
5622                 return -EINVAL;
5623         }
5624
5625         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5626         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5627 }
5628
5629 int
5630 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5631 {
5632         struct rte_eth_dev *dev;
5633
5634         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5635         dev = &rte_eth_devices[port_id];
5636
5637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5638         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5639 }
5640
5641 int
5642 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5643 {
5644         struct rte_eth_dev *dev;
5645
5646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5647         dev = &rte_eth_devices[port_id];
5648
5649         if (info == NULL) {
5650                 RTE_ETHDEV_LOG(ERR,
5651                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5652                         port_id);
5653                 return -EINVAL;
5654         }
5655
5656         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5657         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5658 }
5659
5660 int
5661 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5662 {
5663         struct rte_eth_dev *dev;
5664
5665         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5666         dev = &rte_eth_devices[port_id];
5667
5668         if (info == NULL) {
5669                 RTE_ETHDEV_LOG(ERR,
5670                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5671                         port_id);
5672                 return -EINVAL;
5673         }
5674
5675         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5676         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5677 }
5678
5679 int
5680 rte_eth_dev_get_module_info(uint16_t port_id,
5681                             struct rte_eth_dev_module_info *modinfo)
5682 {
5683         struct rte_eth_dev *dev;
5684
5685         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5686         dev = &rte_eth_devices[port_id];
5687
5688         if (modinfo == NULL) {
5689                 RTE_ETHDEV_LOG(ERR,
5690                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5691                         port_id);
5692                 return -EINVAL;
5693         }
5694
5695         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5696         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5697 }
5698
5699 int
5700 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5701                               struct rte_dev_eeprom_info *info)
5702 {
5703         struct rte_eth_dev *dev;
5704
5705         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5706         dev = &rte_eth_devices[port_id];
5707
5708         if (info == NULL) {
5709                 RTE_ETHDEV_LOG(ERR,
5710                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5711                         port_id);
5712                 return -EINVAL;
5713         }
5714
5715         if (info->data == NULL) {
5716                 RTE_ETHDEV_LOG(ERR,
5717                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5718                         port_id);
5719                 return -EINVAL;
5720         }
5721
5722         if (info->length == 0) {
5723                 RTE_ETHDEV_LOG(ERR,
5724                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5725                         port_id);
5726                 return -EINVAL;
5727         }
5728
5729         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5730         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5731 }
5732
5733 int
5734 rte_eth_dev_get_dcb_info(uint16_t port_id,
5735                              struct rte_eth_dcb_info *dcb_info)
5736 {
5737         struct rte_eth_dev *dev;
5738
5739         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5740         dev = &rte_eth_devices[port_id];
5741
5742         if (dcb_info == NULL) {
5743                 RTE_ETHDEV_LOG(ERR,
5744                         "Cannot get ethdev port %u DCB info to NULL\n",
5745                         port_id);
5746                 return -EINVAL;
5747         }
5748
5749         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5750
5751         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5752         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5753 }
5754
5755 static void
5756 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5757                 const struct rte_eth_desc_lim *desc_lim)
5758 {
5759         if (desc_lim->nb_align != 0)
5760                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5761
5762         if (desc_lim->nb_max != 0)
5763                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5764
5765         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5766 }
5767
5768 int
5769 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5770                                  uint16_t *nb_rx_desc,
5771                                  uint16_t *nb_tx_desc)
5772 {
5773         struct rte_eth_dev_info dev_info;
5774         int ret;
5775
5776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5777
5778         ret = rte_eth_dev_info_get(port_id, &dev_info);
5779         if (ret != 0)
5780                 return ret;
5781
5782         if (nb_rx_desc != NULL)
5783                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5784
5785         if (nb_tx_desc != NULL)
5786                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5787
5788         return 0;
5789 }
5790
5791 int
5792 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5793                                    struct rte_eth_hairpin_cap *cap)
5794 {
5795         struct rte_eth_dev *dev;
5796
5797         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5798         dev = &rte_eth_devices[port_id];
5799
5800         if (cap == NULL) {
5801                 RTE_ETHDEV_LOG(ERR,
5802                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5803                         port_id);
5804                 return -EINVAL;
5805         }
5806
5807         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5808         memset(cap, 0, sizeof(*cap));
5809         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5810 }
5811
5812 int
5813 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5814 {
5815         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5816                 return 1;
5817         return 0;
5818 }
5819
5820 int
5821 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5822 {
5823         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5824                 return 1;
5825         return 0;
5826 }
5827
5828 int
5829 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5830 {
5831         struct rte_eth_dev *dev;
5832
5833         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5834         dev = &rte_eth_devices[port_id];
5835
5836         if (pool == NULL) {
5837                 RTE_ETHDEV_LOG(ERR,
5838                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5839                         port_id);
5840                 return -EINVAL;
5841         }
5842
5843         if (*dev->dev_ops->pool_ops_supported == NULL)
5844                 return 1; /* all pools are supported */
5845
5846         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5847 }
5848
5849 /**
5850  * A set of values to describe the possible states of a switch domain.
5851  */
5852 enum rte_eth_switch_domain_state {
5853         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5854         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5855 };
5856
5857 /**
5858  * Array of switch domains available for allocation. Array is sized to
5859  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5860  * ethdev ports in a single process.
5861  */
5862 static struct rte_eth_dev_switch {
5863         enum rte_eth_switch_domain_state state;
5864 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5865
5866 int
5867 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5868 {
5869         uint16_t i;
5870
5871         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5872
5873         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5874                 if (eth_dev_switch_domains[i].state ==
5875                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5876                         eth_dev_switch_domains[i].state =
5877                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5878                         *domain_id = i;
5879                         return 0;
5880                 }
5881         }
5882
5883         return -ENOSPC;
5884 }
5885
5886 int
5887 rte_eth_switch_domain_free(uint16_t domain_id)
5888 {
5889         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5890                 domain_id >= RTE_MAX_ETHPORTS)
5891                 return -EINVAL;
5892
5893         if (eth_dev_switch_domains[domain_id].state !=
5894                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5895                 return -EINVAL;
5896
5897         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5898
5899         return 0;
5900 }
5901
5902 static int
5903 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5904 {
5905         int state;
5906         struct rte_kvargs_pair *pair;
5907         char *letter;
5908
5909         arglist->str = strdup(str_in);
5910         if (arglist->str == NULL)
5911                 return -ENOMEM;
5912
5913         letter = arglist->str;
5914         state = 0;
5915         arglist->count = 0;
5916         pair = &arglist->pairs[0];
5917         while (1) {
5918                 switch (state) {
5919                 case 0: /* Initial */
5920                         if (*letter == '=')
5921                                 return -EINVAL;
5922                         else if (*letter == '\0')
5923                                 return 0;
5924
5925                         state = 1;
5926                         pair->key = letter;
5927                         /* fall-thru */
5928
5929                 case 1: /* Parsing key */
5930                         if (*letter == '=') {
5931                                 *letter = '\0';
5932                                 pair->value = letter + 1;
5933                                 state = 2;
5934                         } else if (*letter == ',' || *letter == '\0')
5935                                 return -EINVAL;
5936                         break;
5937
5938
5939                 case 2: /* Parsing value */
5940                         if (*letter == '[')
5941                                 state = 3;
5942                         else if (*letter == ',') {
5943                                 *letter = '\0';
5944                                 arglist->count++;
5945                                 pair = &arglist->pairs[arglist->count];
5946                                 state = 0;
5947                         } else if (*letter == '\0') {
5948                                 letter--;
5949                                 arglist->count++;
5950                                 pair = &arglist->pairs[arglist->count];
5951                                 state = 0;
5952                         }
5953                         break;
5954
5955                 case 3: /* Parsing list */
5956                         if (*letter == ']')
5957                                 state = 2;
5958                         else if (*letter == '\0')
5959                                 return -EINVAL;
5960                         break;
5961                 }
5962                 letter++;
5963         }
5964 }
5965
5966 int
5967 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5968 {
5969         struct rte_kvargs args;
5970         struct rte_kvargs_pair *pair;
5971         unsigned int i;
5972         int result = 0;
5973
5974         memset(eth_da, 0, sizeof(*eth_da));
5975
5976         result = eth_dev_devargs_tokenise(&args, dargs);
5977         if (result < 0)
5978                 goto parse_cleanup;
5979
5980         for (i = 0; i < args.count; i++) {
5981                 pair = &args.pairs[i];
5982                 if (strcmp("representor", pair->key) == 0) {
5983                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5984                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5985                                         dargs);
5986                                 result = -1;
5987                                 goto parse_cleanup;
5988                         }
5989                         result = rte_eth_devargs_parse_representor_ports(
5990                                         pair->value, eth_da);
5991                         if (result < 0)
5992                                 goto parse_cleanup;
5993                 }
5994         }
5995
5996 parse_cleanup:
5997         if (args.str)
5998                 free(args.str);
5999
6000         return result;
6001 }
6002
6003 int
6004 rte_eth_representor_id_get(uint16_t port_id,
6005                            enum rte_eth_representor_type type,
6006                            int controller, int pf, int representor_port,
6007                            uint16_t *repr_id)
6008 {
6009         int ret, n, count;
6010         uint32_t i;
6011         struct rte_eth_representor_info *info = NULL;
6012         size_t size;
6013
6014         if (type == RTE_ETH_REPRESENTOR_NONE)
6015                 return 0;
6016         if (repr_id == NULL)
6017                 return -EINVAL;
6018
6019         /* Get PMD representor range info. */
6020         ret = rte_eth_representor_info_get(port_id, NULL);
6021         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6022             controller == -1 && pf == -1) {
6023                 /* Direct mapping for legacy VF representor. */
6024                 *repr_id = representor_port;
6025                 return 0;
6026         } else if (ret < 0) {
6027                 return ret;
6028         }
6029         n = ret;
6030         size = sizeof(*info) + n * sizeof(info->ranges[0]);
6031         info = calloc(1, size);
6032         if (info == NULL)
6033                 return -ENOMEM;
6034         info->nb_ranges_alloc = n;
6035         ret = rte_eth_representor_info_get(port_id, info);
6036         if (ret < 0)
6037                 goto out;
6038
6039         /* Default controller and pf to caller. */
6040         if (controller == -1)
6041                 controller = info->controller;
6042         if (pf == -1)
6043                 pf = info->pf;
6044
6045         /* Locate representor ID. */
6046         ret = -ENOENT;
6047         for (i = 0; i < info->nb_ranges; ++i) {
6048                 if (info->ranges[i].type != type)
6049                         continue;
6050                 if (info->ranges[i].controller != controller)
6051                         continue;
6052                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
6053                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6054                                 port_id, info->ranges[i].id_base,
6055                                 info->ranges[i].id_end, i);
6056                         continue;
6057
6058                 }
6059                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6060                 switch (info->ranges[i].type) {
6061                 case RTE_ETH_REPRESENTOR_PF:
6062                         if (pf < info->ranges[i].pf ||
6063                             pf >= info->ranges[i].pf + count)
6064                                 continue;
6065                         *repr_id = info->ranges[i].id_base +
6066                                    (pf - info->ranges[i].pf);
6067                         ret = 0;
6068                         goto out;
6069                 case RTE_ETH_REPRESENTOR_VF:
6070                         if (info->ranges[i].pf != pf)
6071                                 continue;
6072                         if (representor_port < info->ranges[i].vf ||
6073                             representor_port >= info->ranges[i].vf + count)
6074                                 continue;
6075                         *repr_id = info->ranges[i].id_base +
6076                                    (representor_port - info->ranges[i].vf);
6077                         ret = 0;
6078                         goto out;
6079                 case RTE_ETH_REPRESENTOR_SF:
6080                         if (info->ranges[i].pf != pf)
6081                                 continue;
6082                         if (representor_port < info->ranges[i].sf ||
6083                             representor_port >= info->ranges[i].sf + count)
6084                                 continue;
6085                         *repr_id = info->ranges[i].id_base +
6086                               (representor_port - info->ranges[i].sf);
6087                         ret = 0;
6088                         goto out;
6089                 default:
6090                         break;
6091                 }
6092         }
6093 out:
6094         free(info);
6095         return ret;
6096 }
6097
6098 static int
6099 eth_dev_handle_port_list(const char *cmd __rte_unused,
6100                 const char *params __rte_unused,
6101                 struct rte_tel_data *d)
6102 {
6103         int port_id;
6104
6105         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6106         RTE_ETH_FOREACH_DEV(port_id)
6107                 rte_tel_data_add_array_int(d, port_id);
6108         return 0;
6109 }
6110
6111 static void
6112 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6113                 const char *stat_name)
6114 {
6115         int q;
6116         struct rte_tel_data *q_data = rte_tel_data_alloc();
6117         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6118         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6119                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6120         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6121 }
6122
6123 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6124
6125 static int
6126 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6127                 const char *params,
6128                 struct rte_tel_data *d)
6129 {
6130         struct rte_eth_stats stats;
6131         int port_id, ret;
6132
6133         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6134                 return -1;
6135
6136         port_id = atoi(params);
6137         if (!rte_eth_dev_is_valid_port(port_id))
6138                 return -1;
6139
6140         ret = rte_eth_stats_get(port_id, &stats);
6141         if (ret < 0)
6142                 return -1;
6143
6144         rte_tel_data_start_dict(d);
6145         ADD_DICT_STAT(stats, ipackets);
6146         ADD_DICT_STAT(stats, opackets);
6147         ADD_DICT_STAT(stats, ibytes);
6148         ADD_DICT_STAT(stats, obytes);
6149         ADD_DICT_STAT(stats, imissed);
6150         ADD_DICT_STAT(stats, ierrors);
6151         ADD_DICT_STAT(stats, oerrors);
6152         ADD_DICT_STAT(stats, rx_nombuf);
6153         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6154         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6155         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6156         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6157         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6158
6159         return 0;
6160 }
6161
6162 static int
6163 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6164                 const char *params,
6165                 struct rte_tel_data *d)
6166 {
6167         struct rte_eth_xstat *eth_xstats;
6168         struct rte_eth_xstat_name *xstat_names;
6169         int port_id, num_xstats;
6170         int i, ret;
6171         char *end_param;
6172
6173         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6174                 return -1;
6175
6176         port_id = strtoul(params, &end_param, 0);
6177         if (*end_param != '\0')
6178                 RTE_ETHDEV_LOG(NOTICE,
6179                         "Extra parameters passed to ethdev telemetry command, ignoring");
6180         if (!rte_eth_dev_is_valid_port(port_id))
6181                 return -1;
6182
6183         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6184         if (num_xstats < 0)
6185                 return -1;
6186
6187         /* use one malloc for both names and stats */
6188         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6189                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6190         if (eth_xstats == NULL)
6191                 return -1;
6192         xstat_names = (void *)&eth_xstats[num_xstats];
6193
6194         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6195         if (ret < 0 || ret > num_xstats) {
6196                 free(eth_xstats);
6197                 return -1;
6198         }
6199
6200         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6201         if (ret < 0 || ret > num_xstats) {
6202                 free(eth_xstats);
6203                 return -1;
6204         }
6205
6206         rte_tel_data_start_dict(d);
6207         for (i = 0; i < num_xstats; i++)
6208                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6209                                 eth_xstats[i].value);
6210         return 0;
6211 }
6212
6213 static int
6214 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6215                 const char *params,
6216                 struct rte_tel_data *d)
6217 {
6218         static const char *status_str = "status";
6219         int ret, port_id;
6220         struct rte_eth_link link;
6221         char *end_param;
6222
6223         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6224                 return -1;
6225
6226         port_id = strtoul(params, &end_param, 0);
6227         if (*end_param != '\0')
6228                 RTE_ETHDEV_LOG(NOTICE,
6229                         "Extra parameters passed to ethdev telemetry command, ignoring");
6230         if (!rte_eth_dev_is_valid_port(port_id))
6231                 return -1;
6232
6233         ret = rte_eth_link_get_nowait(port_id, &link);
6234         if (ret < 0)
6235                 return -1;
6236
6237         rte_tel_data_start_dict(d);
6238         if (!link.link_status) {
6239                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6240                 return 0;
6241         }
6242         rte_tel_data_add_dict_string(d, status_str, "UP");
6243         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6244         rte_tel_data_add_dict_string(d, "duplex",
6245                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6246                                 "full-duplex" : "half-duplex");
6247         return 0;
6248 }
6249
6250 static int
6251 eth_dev_handle_port_info(const char *cmd __rte_unused,
6252                 const char *params,
6253                 struct rte_tel_data *d)
6254 {
6255         struct rte_tel_data *rxq_state, *txq_state;
6256         char mac_addr[RTE_ETHER_ADDR_LEN];
6257         struct rte_eth_dev *eth_dev;
6258         char *end_param;
6259         int port_id, i;
6260
6261         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6262                 return -1;
6263
6264         port_id = strtoul(params, &end_param, 0);
6265         if (*end_param != '\0')
6266                 RTE_ETHDEV_LOG(NOTICE,
6267                         "Extra parameters passed to ethdev telemetry command, ignoring");
6268
6269         if (!rte_eth_dev_is_valid_port(port_id))
6270                 return -EINVAL;
6271
6272         eth_dev = &rte_eth_devices[port_id];
6273         if (!eth_dev)
6274                 return -EINVAL;
6275
6276         rxq_state = rte_tel_data_alloc();
6277         if (!rxq_state)
6278                 return -ENOMEM;
6279
6280         txq_state = rte_tel_data_alloc();
6281         if (!txq_state)
6282                 return -ENOMEM;
6283
6284         rte_tel_data_start_dict(d);
6285         rte_tel_data_add_dict_string(d, "name", eth_dev->data->name);
6286         rte_tel_data_add_dict_int(d, "state", eth_dev->state);
6287         rte_tel_data_add_dict_int(d, "nb_rx_queues",
6288                         eth_dev->data->nb_rx_queues);
6289         rte_tel_data_add_dict_int(d, "nb_tx_queues",
6290                         eth_dev->data->nb_tx_queues);
6291         rte_tel_data_add_dict_int(d, "port_id", eth_dev->data->port_id);
6292         rte_tel_data_add_dict_int(d, "mtu", eth_dev->data->mtu);
6293         rte_tel_data_add_dict_int(d, "rx_mbuf_size_min",
6294                         eth_dev->data->min_rx_buf_size);
6295         rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
6296                         eth_dev->data->rx_mbuf_alloc_failed);
6297         snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
6298                          eth_dev->data->mac_addrs->addr_bytes[0],
6299                          eth_dev->data->mac_addrs->addr_bytes[1],
6300                          eth_dev->data->mac_addrs->addr_bytes[2],
6301                          eth_dev->data->mac_addrs->addr_bytes[3],
6302                          eth_dev->data->mac_addrs->addr_bytes[4],
6303                          eth_dev->data->mac_addrs->addr_bytes[5]);
6304         rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
6305         rte_tel_data_add_dict_int(d, "promiscuous",
6306                         eth_dev->data->promiscuous);
6307         rte_tel_data_add_dict_int(d, "scattered_rx",
6308                         eth_dev->data->scattered_rx);
6309         rte_tel_data_add_dict_int(d, "all_multicast",
6310                         eth_dev->data->all_multicast);
6311         rte_tel_data_add_dict_int(d, "dev_started", eth_dev->data->dev_started);
6312         rte_tel_data_add_dict_int(d, "lro", eth_dev->data->lro);
6313         rte_tel_data_add_dict_int(d, "dev_configured",
6314                         eth_dev->data->dev_configured);
6315
6316         rte_tel_data_start_array(rxq_state, RTE_TEL_INT_VAL);
6317         for (i = 0; i < eth_dev->data->nb_rx_queues; i++)
6318                 rte_tel_data_add_array_int(rxq_state,
6319                                 eth_dev->data->rx_queue_state[i]);
6320
6321         rte_tel_data_start_array(txq_state, RTE_TEL_INT_VAL);
6322         for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
6323                 rte_tel_data_add_array_int(txq_state,
6324                                 eth_dev->data->tx_queue_state[i]);
6325
6326         rte_tel_data_add_dict_container(d, "rxq_state", rxq_state, 0);
6327         rte_tel_data_add_dict_container(d, "txq_state", txq_state, 0);
6328         rte_tel_data_add_dict_int(d, "numa_node", eth_dev->data->numa_node);
6329         rte_tel_data_add_dict_int(d, "dev_flags", eth_dev->data->dev_flags);
6330         rte_tel_data_add_dict_int(d, "rx_offloads",
6331                         eth_dev->data->dev_conf.rxmode.offloads);
6332         rte_tel_data_add_dict_int(d, "tx_offloads",
6333                         eth_dev->data->dev_conf.txmode.offloads);
6334         rte_tel_data_add_dict_int(d, "ethdev_rss_hf",
6335                         eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
6336
6337         return 0;
6338 }
6339
6340 int
6341 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6342                                   struct rte_hairpin_peer_info *cur_info,
6343                                   struct rte_hairpin_peer_info *peer_info,
6344                                   uint32_t direction)
6345 {
6346         struct rte_eth_dev *dev;
6347
6348         /* Current queue information is not mandatory. */
6349         if (peer_info == NULL)
6350                 return -EINVAL;
6351
6352         /* No need to check the validity again. */
6353         dev = &rte_eth_devices[peer_port];
6354         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6355                                 -ENOTSUP);
6356
6357         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6358                                         cur_info, peer_info, direction);
6359 }
6360
6361 int
6362 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6363                                 struct rte_hairpin_peer_info *peer_info,
6364                                 uint32_t direction)
6365 {
6366         struct rte_eth_dev *dev;
6367
6368         if (peer_info == NULL)
6369                 return -EINVAL;
6370
6371         /* No need to check the validity again. */
6372         dev = &rte_eth_devices[cur_port];
6373         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6374                                 -ENOTSUP);
6375
6376         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6377                                                         peer_info, direction);
6378 }
6379
6380 int
6381 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6382                                   uint32_t direction)
6383 {
6384         struct rte_eth_dev *dev;
6385
6386         /* No need to check the validity again. */
6387         dev = &rte_eth_devices[cur_port];
6388         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6389                                 -ENOTSUP);
6390
6391         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6392                                                           direction);
6393 }
6394
6395 int
6396 rte_eth_representor_info_get(uint16_t port_id,
6397                              struct rte_eth_representor_info *info)
6398 {
6399         struct rte_eth_dev *dev;
6400
6401         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6402         dev = &rte_eth_devices[port_id];
6403
6404         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6405         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6406 }
6407
6408 int
6409 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6410 {
6411         struct rte_eth_dev *dev;
6412
6413         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6414         dev = &rte_eth_devices[port_id];
6415
6416         if (dev->data->dev_configured != 0) {
6417                 RTE_ETHDEV_LOG(ERR,
6418                         "The port (id=%"PRIu16") is already configured\n",
6419                         port_id);
6420                 return -EBUSY;
6421         }
6422
6423         if (features == NULL) {
6424                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6425                 return -EINVAL;
6426         }
6427
6428         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6429         return eth_err(port_id,
6430                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6431 }
6432
6433 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6434
6435 RTE_INIT(ethdev_init_telemetry)
6436 {
6437         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6438                         "Returns list of available ethdev ports. Takes no parameters");
6439         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6440                         "Returns the common stats for a port. Parameters: int port_id");
6441         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6442                         "Returns the extended stats for a port. Parameters: int port_id");
6443         rte_telemetry_register_cmd("/ethdev/link_status",
6444                         eth_dev_handle_port_link_status,
6445                         "Returns the link status for a port. Parameters: int port_id");
6446         rte_telemetry_register_cmd("/ethdev/info", eth_dev_handle_port_info,
6447                         "Returns the device info for a port. Parameters: int port_id");
6448 }