drivers/net/bonding/rte_eth_bond_api.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <string.h>
  35
  36 #include <rte_mbuf.h>
  37 #include <rte_malloc.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_tcp.h>
  40
  41 #include "rte_eth_bond.h"
  42 #include "rte_eth_bond_private.h"
  43 #include "rte_eth_bond_8023ad_private.h"
  44
  45 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
  46
  47 const char pmd_bond_driver_name[] = "rte_bond_pmd";
  48
  49 int
  50 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  51 {
  52         /* Check valid pointer */
  53         if (eth_dev->data->drv_name == NULL)
  54                 return -1;
  55
  56         /* return 0 if driver name matches */
  57         return eth_dev->data->drv_name != pmd_bond_driver_name;
  58 }
  59
  60 int
  61 valid_bonded_port_id(uint8_t port_id)
  62 {
  63         if (!rte_eth_dev_is_valid_port(port_id))
  64                 return -1;
  65
  66         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
  67 }
  68
  69 int
  70 valid_slave_port_id(uint8_t port_id)
  71 {
  72         /* Verify that port id's are valid */
  73         if (!rte_eth_dev_is_valid_port(port_id))
  74                 return -1;
  75
  76         /* Verify that port_id refers to a non bonded port */
  77         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
  78                 return -1;
  79
  80         return 0;
  81 }
  82
  83 void
  84 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
  85 {
  86         struct bond_dev_private *internals = eth_dev->data->dev_private;
  87         uint8_t active_count = internals->active_slave_count;
  88
  89         if (internals->mode == BONDING_MODE_8023AD)
  90                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
  91
  92         if (internals->mode == BONDING_MODE_TLB
  93                         || internals->mode == BONDING_MODE_ALB) {
  94
  95                 internals->tlb_slaves_order[active_count] = port_id;
  96         }
  97
  98         RTE_VERIFY(internals->active_slave_count <
  99                         (RTE_DIM(internals->active_slaves) - 1));
 100
 101         internals->active_slaves[internals->active_slave_count] = port_id;
 102         internals->active_slave_count++;
 103
 104         if (internals->mode == BONDING_MODE_TLB)
 105                 bond_tlb_activate_slave(internals);
 106         if (internals->mode == BONDING_MODE_ALB)
 107                 bond_mode_alb_client_list_upd(eth_dev);
 108 }
 109
 110 void
 111 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 112 {
 113         uint8_t slave_pos;
 114         struct bond_dev_private *internals = eth_dev->data->dev_private;
 115         uint8_t active_count = internals->active_slave_count;
 116
 117         if (internals->mode == BONDING_MODE_8023AD) {
 118                 bond_mode_8023ad_stop(eth_dev);
 119                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 120         } else if (internals->mode == BONDING_MODE_TLB
 121                         || internals->mode == BONDING_MODE_ALB)
 122                 bond_tlb_disable(internals);
 123
 124         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 125                         port_id);
 126
 127         /* If slave was not at the end of the list
 128          * shift active slaves up active array list */
 129         if (slave_pos < active_count) {
 130                 active_count--;
 131                 memmove(internals->active_slaves + slave_pos,
 132                                 internals->active_slaves + slave_pos + 1,
 133                                 (active_count - slave_pos) *
 134                                         sizeof(internals->active_slaves[0]));
 135         }
 136
 137         RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
 138         internals->active_slave_count = active_count;
 139
 140         if (eth_dev->data->dev_started) {
 141                 if (internals->mode == BONDING_MODE_8023AD) {
 142                         bond_mode_8023ad_start(eth_dev);
 143                 } else if (internals->mode == BONDING_MODE_TLB) {
 144                         bond_tlb_enable(internals);
 145                 } else if (internals->mode == BONDING_MODE_ALB) {
 146                         bond_tlb_enable(internals);
 147                         bond_mode_alb_client_list_upd(eth_dev);
 148                 }
 149         }
 150 }
 151
 152 uint8_t
 153 number_of_sockets(void)
 154 {
 155         int sockets = 0;
 156         int i;
 157         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 158
 159         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 160                 if (sockets < ms[i].socket_id)
 161                         sockets = ms[i].socket_id;
 162         }
 163
 164         /* Number of sockets = maximum socket_id + 1 */
 165         return ++sockets;
 166 }
 167
 168 int
 169 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 170 {
 171         struct bond_dev_private *internals = NULL;
 172         struct rte_eth_dev *eth_dev = NULL;
 173
 174         /* now do all data allocation - for eth_dev structure, dummy pci driver
 175          * and internal (private) data
 176          */
 177
 178         if (name == NULL) {
 179                 RTE_BOND_LOG(ERR, "Invalid name specified");
 180                 goto err;
 181         }
 182
 183         if (socket_id >= number_of_sockets()) {
 184                 RTE_BOND_LOG(ERR,
 185                                 "Invalid socket id specified to create bonded device on.");
 186                 goto err;
 187         }
 188
 189         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 190         if (internals == NULL) {
 191                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 192                 goto err;
 193         }
 194
 195         /* reserve an ethdev entry */
 196         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
 197         if (eth_dev == NULL) {
 198                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 199                 goto err;
 200         }
 201
 202         eth_dev->data->dev_private = internals;
 203         eth_dev->data->nb_rx_queues = (uint16_t)1;
 204         eth_dev->data->nb_tx_queues = (uint16_t)1;
 205
 206         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 207
 208         eth_dev->data->dev_link.link_status = 0;
 209
 210         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 211                         socket_id);
 212         if (eth_dev->data->mac_addrs == NULL) {
 213                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
 214                 goto err;
 215         }
 216
 217         eth_dev->data->dev_started = 0;
 218         eth_dev->data->promiscuous = 0;
 219         eth_dev->data->scattered_rx = 0;
 220         eth_dev->data->all_multicast = 0;
 221
 222         eth_dev->dev_ops = &default_dev_ops;
 223         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
 224                 RTE_ETH_DEV_DETACHABLE;
 225         eth_dev->driver = NULL;
 226         eth_dev->data->kdrv = RTE_KDRV_NONE;
 227         eth_dev->data->drv_name = pmd_bond_driver_name;
 228         eth_dev->data->numa_node =  socket_id;
 229
 230         rte_spinlock_init(&internals->lock);
 231
 232         internals->port_id = eth_dev->data->port_id;
 233         internals->mode = BONDING_MODE_INVALID;
 234         internals->current_primary_port = 0;
 235         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 236         internals->xmit_hash = xmit_l2_hash;
 237         internals->user_defined_mac = 0;
 238         internals->link_props_set = 0;
 239
 240         internals->link_status_polling_enabled = 0;
 241
 242         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 243         internals->link_down_delay_ms = 0;
 244         internals->link_up_delay_ms = 0;
 245
 246         internals->slave_count = 0;
 247         internals->active_slave_count = 0;
 248         internals->rx_offload_capa = 0;
 249         internals->tx_offload_capa = 0;
 250
 251         /* Initially allow to choose any offload type */
 252         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 253
 254         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 255         memset(internals->slaves, 0, sizeof(internals->slaves));
 256
 257         /* Set mode 4 default configuration */
 258         bond_mode_8023ad_setup(eth_dev, NULL);
 259         if (bond_ethdev_mode_set(eth_dev, mode)) {
 260                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 261                                  eth_dev->data->port_id, mode);
 262                 goto err;
 263         }
 264
 265         return eth_dev->data->port_id;
 266
 267 err:
 268         rte_free(internals);
 269         if (eth_dev != NULL) {
 270                 rte_free(eth_dev->data->mac_addrs);
 271                 rte_eth_dev_release_port(eth_dev);
 272         }
 273         return -1;
 274 }
 275
 276 int
 277 rte_eth_bond_free(const char *name)
 278 {
 279         struct rte_eth_dev *eth_dev = NULL;
 280         struct bond_dev_private *internals;
 281
 282         /* now free all data allocation - for eth_dev structure,
 283          * dummy pci driver and internal (private) data
 284          */
 285
 286         /* find an ethdev entry */
 287         eth_dev = rte_eth_dev_allocated(name);
 288         if (eth_dev == NULL)
 289                 return -ENODEV;
 290
 291         internals = eth_dev->data->dev_private;
 292         if (internals->slave_count != 0)
 293                 return -EBUSY;
 294
 295         if (eth_dev->data->dev_started == 1) {
 296                 bond_ethdev_stop(eth_dev);
 297                 bond_ethdev_close(eth_dev);
 298         }
 299
 300         eth_dev->dev_ops = NULL;
 301         eth_dev->rx_pkt_burst = NULL;
 302         eth_dev->tx_pkt_burst = NULL;
 303
 304         rte_free(eth_dev->data->dev_private);
 305         rte_free(eth_dev->data->mac_addrs);
 306
 307         rte_eth_dev_release_port(eth_dev);
 308
 309         return 0;
 310 }
 311
 312 static int
 313 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 314 {
 315         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 316         struct bond_dev_private *internals;
 317         struct rte_eth_link link_props;
 318         struct rte_eth_dev_info dev_info;
 319
 320         if (valid_slave_port_id(slave_port_id) != 0)
 321                 return -1;
 322
 323         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 324         internals = bonded_eth_dev->data->dev_private;
 325
 326         slave_eth_dev = &rte_eth_devices[slave_port_id];
 327         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 328                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 329                 return -1;
 330         }
 331
 332         /* Add slave details to bonded device */
 333         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 334         slave_add(internals, slave_eth_dev);
 335
 336         rte_eth_dev_info_get(slave_port_id, &dev_info);
 337
 338         /* We need to store slaves reta_size to be able to synchronize RETA for all
 339          * slave devices even if its sizes are different.
 340          */
 341         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 342
 343         if (internals->slave_count < 1) {
 344                 /* if MAC is not user defined then use MAC of first slave add to
 345                  * bonded device */
 346                 if (!internals->user_defined_mac)
 347                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 348
 349                 /* Inherit eth dev link properties from first slave */
 350                 link_properties_set(bonded_eth_dev,
 351                                 &(slave_eth_dev->data->dev_link));
 352
 353                 /* Make primary slave */
 354                 internals->primary_port = slave_port_id;
 355
 356                 /* Inherit queues settings from first slave */
 357                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 358                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 359
 360                 internals->reta_size = dev_info.reta_size;
 361
 362                 /* Take the first dev's offload capabilities */
 363                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 364                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 365                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 366
 367         } else {
 368                 /* Check slave link properties are supported if props are set,
 369                  * all slaves must be the same */
 370                 if (internals->link_props_set) {
 371                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 372                                                                           &(slave_eth_dev->data->dev_link))) {
 373                                 slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 374                                 RTE_BOND_LOG(ERR,
 375                                                 "Slave port %d link speed/duplex not supported",
 376                                                 slave_port_id);
 377                                 return -1;
 378                         }
 379                 } else {
 380                         link_properties_set(bonded_eth_dev,
 381                                         &(slave_eth_dev->data->dev_link));
 382                 }
 383                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 384                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 385                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 386
 387                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 388                  * the power of 2, the lower one is GCD
 389                  */
 390                 if (internals->reta_size > dev_info.reta_size)
 391                         internals->reta_size = dev_info.reta_size;
 392
 393         }
 394
 395         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 396                         internals->flow_type_rss_offloads;
 397
 398         internals->slave_count++;
 399
 400         /* Update all slave devices MACs*/
 401         mac_address_slaves_update(bonded_eth_dev);
 402
 403         if (bonded_eth_dev->data->dev_started) {
 404                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 405                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 406                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 407                                         slave_port_id);
 408                         return -1;
 409                 }
 410         }
 411
 412         /* Register link status change callback with bonded device pointer as
 413          * argument*/
 414         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 415                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 416
 417         /* If bonded device is started then we can add the slave to our active
 418          * slave array */
 419         if (bonded_eth_dev->data->dev_started) {
 420                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 421
 422                  if (link_props.link_status == 1)
 423                         activate_slave(bonded_eth_dev, slave_port_id);
 424         }
 425         return 0;
 426
 427 }
 428
 429 int
 430 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 431 {
 432         struct rte_eth_dev *bonded_eth_dev;
 433         struct bond_dev_private *internals;
 434
 435         int retval;
 436
 437         /* Verify that port id's are valid bonded and slave ports */
 438         if (valid_bonded_port_id(bonded_port_id) != 0)
 439                 return -1;
 440
 441         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 442         internals = bonded_eth_dev->data->dev_private;
 443
 444         rte_spinlock_lock(&internals->lock);
 445
 446         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 447
 448         rte_spinlock_unlock(&internals->lock);
 449
 450         return retval;
 451 }
 452
 453 static int
 454 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 455 {
 456         struct rte_eth_dev *bonded_eth_dev;
 457         struct bond_dev_private *internals;
 458         struct rte_eth_dev *slave_eth_dev;
 459         int i, slave_idx;
 460
 461         if (valid_slave_port_id(slave_port_id) != 0)
 462                 return -1;
 463
 464         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 465         internals = bonded_eth_dev->data->dev_private;
 466
 467         /* first remove from active slave list */
 468         slave_idx = find_slave_by_id(internals->active_slaves,
 469                 internals->active_slave_count, slave_port_id);
 470
 471         if (slave_idx < internals->active_slave_count)
 472                 deactivate_slave(bonded_eth_dev, slave_port_id);
 473
 474         slave_idx = -1;
 475         /* now find in slave list */
 476         for (i = 0; i < internals->slave_count; i++)
 477                 if (internals->slaves[i].port_id == slave_port_id) {
 478                         slave_idx = i;
 479                         break;
 480                 }
 481
 482         if (slave_idx < 0) {
 483                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 484                                 internals->slave_count);
 485                 return -1;
 486         }
 487
 488         /* Un-register link status change callback with bonded device pointer as
 489          * argument*/
 490         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 491                         bond_ethdev_lsc_event_callback,
 492                         &rte_eth_devices[bonded_port_id].data->port_id);
 493
 494         /* Restore original MAC address of slave device */
 495         mac_address_set(&rte_eth_devices[slave_port_id],
 496                         &(internals->slaves[slave_idx].persisted_mac_addr));
 497
 498         slave_eth_dev = &rte_eth_devices[slave_port_id];
 499         slave_remove(internals, slave_eth_dev);
 500         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 501
 502         /*  first slave in the active list will be the primary by default,
 503          *  otherwise use first device in list */
 504         if (internals->current_primary_port == slave_port_id) {
 505                 if (internals->active_slave_count > 0)
 506                         internals->current_primary_port = internals->active_slaves[0];
 507                 else if (internals->slave_count > 0)
 508                         internals->current_primary_port = internals->slaves[0].port_id;
 509                 else
 510                         internals->primary_port = 0;
 511         }
 512
 513         if (internals->active_slave_count < 1) {
 514                 /* reset device link properties as no slaves are active */
 515                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 516
 517                 /* if no slaves are any longer attached to bonded device and MAC is not
 518                  * user defined then clear MAC of bonded device as it will be reset
 519                  * when a new slave is added */
 520                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 521                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 522                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 523         }
 524         if (internals->slave_count == 0) {
 525                 internals->rx_offload_capa = 0;
 526                 internals->tx_offload_capa = 0;
 527                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 528                 internals->reta_size = 0;
 529         }
 530         return 0;
 531 }
 532
 533 int
 534 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 535 {
 536         struct rte_eth_dev *bonded_eth_dev;
 537         struct bond_dev_private *internals;
 538         int retval;
 539
 540         if (valid_bonded_port_id(bonded_port_id) != 0)
 541                 return -1;
 542
 543         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 544         internals = bonded_eth_dev->data->dev_private;
 545
 546         rte_spinlock_lock(&internals->lock);
 547
 548         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 549
 550         rte_spinlock_unlock(&internals->lock);
 551
 552         return retval;
 553 }
 554
 555 int
 556 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 557 {
 558         if (valid_bonded_port_id(bonded_port_id) != 0)
 559                 return -1;
 560
 561         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 562 }
 563
 564 int
 565 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 566 {
 567         struct bond_dev_private *internals;
 568
 569         if (valid_bonded_port_id(bonded_port_id) != 0)
 570                 return -1;
 571
 572         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 573
 574         return internals->mode;
 575 }
 576
 577 int
 578 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 579 {
 580         struct bond_dev_private *internals;
 581
 582         if (valid_bonded_port_id(bonded_port_id) != 0)
 583                 return -1;
 584
 585         if (valid_slave_port_id(slave_port_id) != 0)
 586                 return -1;
 587
 588         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 589
 590         internals->user_defined_primary_port = 1;
 591         internals->primary_port = slave_port_id;
 592
 593         bond_ethdev_primary_set(internals, slave_port_id);
 594
 595         return 0;
 596 }
 597
 598 int
 599 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 600 {
 601         struct bond_dev_private *internals;
 602
 603         if (valid_bonded_port_id(bonded_port_id) != 0)
 604                 return -1;
 605
 606         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 607
 608         if (internals->slave_count < 1)
 609                 return -1;
 610
 611         return internals->current_primary_port;
 612 }
 613
 614 int
 615 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 616 {
 617         struct bond_dev_private *internals;
 618         uint8_t i;
 619
 620         if (valid_bonded_port_id(bonded_port_id) != 0)
 621                 return -1;
 622
 623         if (slaves == NULL)
 624                 return -1;
 625
 626         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 627
 628         if (internals->slave_count > len)
 629                 return -1;
 630
 631         for (i = 0; i < internals->slave_count; i++)
 632                 slaves[i] = internals->slaves[i].port_id;
 633
 634         return internals->slave_count;
 635 }
 636
 637 int
 638 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 639                 uint8_t len)
 640 {
 641         struct bond_dev_private *internals;
 642
 643         if (valid_bonded_port_id(bonded_port_id) != 0)
 644                 return -1;
 645
 646         if (slaves == NULL)
 647                 return -1;
 648
 649         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 650
 651         if (internals->active_slave_count > len)
 652                 return -1;
 653
 654         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 655
 656         return internals->active_slave_count;
 657 }
 658
 659 int
 660 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 661                 struct ether_addr *mac_addr)
 662 {
 663         struct rte_eth_dev *bonded_eth_dev;
 664         struct bond_dev_private *internals;
 665
 666         if (valid_bonded_port_id(bonded_port_id) != 0)
 667                 return -1;
 668
 669         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 670         internals = bonded_eth_dev->data->dev_private;
 671
 672         /* Set MAC Address of Bonded Device */
 673         if (mac_address_set(bonded_eth_dev, mac_addr))
 674                 return -1;
 675
 676         internals->user_defined_mac = 1;
 677
 678         /* Update all slave devices MACs*/
 679         if (internals->slave_count > 0)
 680                 return mac_address_slaves_update(bonded_eth_dev);
 681
 682         return 0;
 683 }
 684
 685 int
 686 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 687 {
 688         struct rte_eth_dev *bonded_eth_dev;
 689         struct bond_dev_private *internals;
 690
 691         if (valid_bonded_port_id(bonded_port_id) != 0)
 692                 return -1;
 693
 694         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 695         internals = bonded_eth_dev->data->dev_private;
 696
 697         internals->user_defined_mac = 0;
 698
 699         if (internals->slave_count > 0) {
 700                 /* Set MAC Address of Bonded Device */
 701                 if (mac_address_set(bonded_eth_dev,
 702                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 703                                 != 0) {
 704                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 705                         return -1;
 706                 }
 707                 /* Update all slave devices MAC addresses */
 708                 return mac_address_slaves_update(bonded_eth_dev);
 709         }
 710         /* No need to update anything as no slaves present */
 711         return 0;
 712 }
 713
 714 int
 715 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 716 {
 717         struct bond_dev_private *internals;
 718
 719         if (valid_bonded_port_id(bonded_port_id) != 0)
 720                 return -1;
 721
 722         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 723
 724         switch (policy) {
 725         case BALANCE_XMIT_POLICY_LAYER2:
 726                 internals->balance_xmit_policy = policy;
 727                 internals->xmit_hash = xmit_l2_hash;
 728                 break;
 729         case BALANCE_XMIT_POLICY_LAYER23:
 730                 internals->balance_xmit_policy = policy;
 731                 internals->xmit_hash = xmit_l23_hash;
 732                 break;
 733         case BALANCE_XMIT_POLICY_LAYER34:
 734                 internals->balance_xmit_policy = policy;
 735                 internals->xmit_hash = xmit_l34_hash;
 736                 break;
 737
 738         default:
 739                 return -1;
 740         }
 741         return 0;
 742 }
 743
 744 int
 745 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 746 {
 747         struct bond_dev_private *internals;
 748
 749         if (valid_bonded_port_id(bonded_port_id) != 0)
 750                 return -1;
 751
 752         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 753
 754         return internals->balance_xmit_policy;
 755 }
 756
 757 int
 758 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 759 {
 760         struct bond_dev_private *internals;
 761
 762         if (valid_bonded_port_id(bonded_port_id) != 0)
 763                 return -1;
 764
 765         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 766         internals->link_status_polling_interval_ms = internal_ms;
 767
 768         return 0;
 769 }
 770
 771 int
 772 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 773 {
 774         struct bond_dev_private *internals;
 775
 776         if (valid_bonded_port_id(bonded_port_id) != 0)
 777                 return -1;
 778
 779         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 780
 781         return internals->link_status_polling_interval_ms;
 782 }
 783
 784 int
 785 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 786
 787 {
 788         struct bond_dev_private *internals;
 789
 790         if (valid_bonded_port_id(bonded_port_id) != 0)
 791                 return -1;
 792
 793         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 794         internals->link_down_delay_ms = delay_ms;
 795
 796         return 0;
 797 }
 798
 799 int
 800 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 801 {
 802         struct bond_dev_private *internals;
 803
 804         if (valid_bonded_port_id(bonded_port_id) != 0)
 805                 return -1;
 806
 807         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 808
 809         return internals->link_down_delay_ms;
 810 }
 811
 812 int
 813 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 814
 815 {
 816         struct bond_dev_private *internals;
 817
 818         if (valid_bonded_port_id(bonded_port_id) != 0)
 819                 return -1;
 820
 821         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 822         internals->link_up_delay_ms = delay_ms;
 823
 824         return 0;
 825 }
 826
 827 int
 828 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 829 {
 830         struct bond_dev_private *internals;
 831
 832         if (valid_bonded_port_id(bonded_port_id) != 0)
 833                 return -1;
 834
 835         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 836
 837         return internals->link_up_delay_ms;
 838 }