drivers/net/bonding/rte_eth_bond_api.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6
   7 #include <rte_mbuf.h>
   8 #include <rte_malloc.h>
   9 #include <rte_ethdev_driver.h>
  10 #include <rte_tcp.h>
  11 #include <rte_bus_vdev.h>
  12 #include <rte_kvargs.h>
  13
  14 #include "rte_eth_bond.h"
  15 #include "rte_eth_bond_private.h"
  16 #include "rte_eth_bond_8023ad_private.h"
  17
  18 int
  19 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  20 {
  21         /* Check valid pointer */
  22         if (eth_dev->device->driver->name == NULL)
  23                 return -1;
  24
  25         /* return 0 if driver name matches */
  26         return eth_dev->device->driver->name != pmd_bond_drv.driver.name;
  27 }
  28
  29 int
  30 valid_bonded_port_id(uint16_t port_id)
  31 {
  32         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  33         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
  34 }
  35
  36 int
  37 check_for_master_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  38 {
  39         int i;
  40         struct bond_dev_private *internals;
  41
  42         if (check_for_bonded_ethdev(eth_dev) != 0)
  43                 return 0;
  44
  45         internals = eth_dev->data->dev_private;
  46
  47         /* Check if any of slave devices is a bonded device */
  48         for (i = 0; i < internals->slave_count; i++)
  49                 if (valid_bonded_port_id(internals->slaves[i].port_id) == 0)
  50                         return 1;
  51
  52         return 0;
  53 }
  54
  55 int
  56 valid_slave_port_id(uint16_t port_id, uint8_t mode)
  57 {
  58         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  59
  60         /* Verify that port_id refers to a non bonded port */
  61         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0 &&
  62                         mode == BONDING_MODE_8023AD) {
  63                 RTE_BOND_LOG(ERR, "Cannot add slave to bonded device in 802.3ad"
  64                                 " mode as slave is also a bonded device, only "
  65                                 "physical devices can be support in this mode.");
  66                 return -1;
  67         }
  68
  69         return 0;
  70 }
  71
  72 void
  73 activate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
  74 {
  75         struct bond_dev_private *internals = eth_dev->data->dev_private;
  76         uint8_t active_count = internals->active_slave_count;
  77
  78         if (internals->mode == BONDING_MODE_8023AD)
  79                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
  80
  81         if (internals->mode == BONDING_MODE_TLB
  82                         || internals->mode == BONDING_MODE_ALB) {
  83
  84                 internals->tlb_slaves_order[active_count] = port_id;
  85         }
  86
  87         RTE_ASSERT(internals->active_slave_count <
  88                         (RTE_DIM(internals->active_slaves) - 1));
  89
  90         internals->active_slaves[internals->active_slave_count] = port_id;
  91         internals->active_slave_count++;
  92
  93         if (internals->mode == BONDING_MODE_TLB)
  94                 bond_tlb_activate_slave(internals);
  95         if (internals->mode == BONDING_MODE_ALB)
  96                 bond_mode_alb_client_list_upd(eth_dev);
  97 }
  98
  99 void
 100 deactivate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
 101 {
 102         uint16_t slave_pos;
 103         struct bond_dev_private *internals = eth_dev->data->dev_private;
 104         uint16_t active_count = internals->active_slave_count;
 105
 106         if (internals->mode == BONDING_MODE_8023AD) {
 107                 bond_mode_8023ad_stop(eth_dev);
 108                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 109         } else if (internals->mode == BONDING_MODE_TLB
 110                         || internals->mode == BONDING_MODE_ALB)
 111                 bond_tlb_disable(internals);
 112
 113         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 114                         port_id);
 115
 116         /* If slave was not at the end of the list
 117          * shift active slaves up active array list */
 118         if (slave_pos < active_count) {
 119                 active_count--;
 120                 memmove(internals->active_slaves + slave_pos,
 121                                 internals->active_slaves + slave_pos + 1,
 122                                 (active_count - slave_pos) *
 123                                         sizeof(internals->active_slaves[0]));
 124         }
 125
 126         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
 127         internals->active_slave_count = active_count;
 128
 129         if (eth_dev->data->dev_started) {
 130                 if (internals->mode == BONDING_MODE_8023AD) {
 131                         bond_mode_8023ad_start(eth_dev);
 132                 } else if (internals->mode == BONDING_MODE_TLB) {
 133                         bond_tlb_enable(internals);
 134                 } else if (internals->mode == BONDING_MODE_ALB) {
 135                         bond_tlb_enable(internals);
 136                         bond_mode_alb_client_list_upd(eth_dev);
 137                 }
 138         }
 139 }
 140
 141 int
 142 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 143 {
 144         struct bond_dev_private *internals;
 145         char devargs[52];
 146         uint16_t port_id;
 147         int ret;
 148
 149         if (name == NULL) {
 150                 RTE_BOND_LOG(ERR, "Invalid name specified");
 151                 return -EINVAL;
 152         }
 153
 154         ret = snprintf(devargs, sizeof(devargs),
 155                 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
 156         if (ret < 0 || ret >= (int)sizeof(devargs))
 157                 return -ENOMEM;
 158
 159         ret = rte_vdev_init(name, devargs);
 160         if (ret)
 161                 return -ENOMEM;
 162
 163         ret = rte_eth_dev_get_port_by_name(name, &port_id);
 164         RTE_ASSERT(!ret);
 165
 166         /*
 167          * To make bond_ethdev_configure() happy we need to free the
 168          * internals->kvlist here.
 169          *
 170          * Also see comment in bond_ethdev_configure().
 171          */
 172         internals = rte_eth_devices[port_id].data->dev_private;
 173         rte_kvargs_free(internals->kvlist);
 174         internals->kvlist = NULL;
 175
 176         return port_id;
 177 }
 178
 179 int
 180 rte_eth_bond_free(const char *name)
 181 {
 182         return rte_vdev_uninit(name);
 183 }
 184
 185 static int
 186 slave_vlan_filter_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 187 {
 188         struct rte_eth_dev *bonded_eth_dev;
 189         struct bond_dev_private *internals;
 190         int found;
 191         int res = 0;
 192         uint64_t slab = 0;
 193         uint32_t pos = 0;
 194         uint16_t first;
 195
 196         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 197         if ((bonded_eth_dev->data->dev_conf.rxmode.offloads &
 198                         DEV_RX_OFFLOAD_VLAN_FILTER) == 0)
 199                 return 0;
 200
 201         internals = bonded_eth_dev->data->dev_private;
 202         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 203         first = pos;
 204
 205         if (!found)
 206                 return 0;
 207
 208         do {
 209                 uint32_t i;
 210                 uint64_t mask;
 211
 212                 for (i = 0, mask = 1;
 213                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 214                      i ++, mask <<= 1) {
 215                         if (unlikely(slab & mask)) {
 216                                 uint16_t vlan_id = pos + i;
 217
 218                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 219                                                               vlan_id, 1);
 220                         }
 221                 }
 222                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 223                                         &pos, &slab);
 224         } while (found && first != pos && res == 0);
 225
 226         return res;
 227 }
 228
 229 static int
 230 slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
 231 {
 232         struct rte_flow *flow;
 233         struct rte_flow_error ferror;
 234         uint16_t slave_port_id = internals->slaves[slave_id].port_id;
 235
 236         if (internals->flow_isolated_valid != 0) {
 237                 rte_eth_dev_stop(slave_port_id);
 238                 if (rte_flow_isolate(slave_port_id, internals->flow_isolated,
 239                     &ferror)) {
 240                         RTE_BOND_LOG(ERR, "rte_flow_isolate failed for slave"
 241                                      " %d: %s", slave_id, ferror.message ?
 242                                      ferror.message : "(no stated reason)");
 243                         return -1;
 244                 }
 245         }
 246         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 247                 flow->flows[slave_id] = rte_flow_create(slave_port_id,
 248                                                         &flow->fd->attr,
 249                                                         flow->fd->items,
 250                                                         flow->fd->actions,
 251                                                         &ferror);
 252                 if (flow->flows[slave_id] == NULL) {
 253                         RTE_BOND_LOG(ERR, "Cannot create flow for slave"
 254                                      " %d: %s", slave_id,
 255                                      ferror.message ? ferror.message :
 256                                      "(no stated reason)");
 257                         /* Destroy successful bond flows from the slave */
 258                         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 259                                 if (flow->flows[slave_id] != NULL) {
 260                                         rte_flow_destroy(slave_port_id,
 261                                                          flow->flows[slave_id],
 262                                                          &ferror);
 263                                         flow->flows[slave_id] = NULL;
 264                                 }
 265                         }
 266                         return -1;
 267                 }
 268         }
 269         return 0;
 270 }
 271
 272 static int
 273 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
 274 {
 275         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 276         struct bond_dev_private *internals;
 277         struct rte_eth_link link_props;
 278         struct rte_eth_dev_info dev_info;
 279
 280         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 281         internals = bonded_eth_dev->data->dev_private;
 282
 283         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 284                 return -1;
 285
 286         slave_eth_dev = &rte_eth_devices[slave_port_id];
 287         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 288                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 289                 return -1;
 290         }
 291
 292         rte_eth_dev_info_get(slave_port_id, &dev_info);
 293         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 294                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 295                              slave_port_id);
 296                 return -1;
 297         }
 298
 299         slave_add(internals, slave_eth_dev);
 300
 301         /* We need to store slaves reta_size to be able to synchronize RETA for all
 302          * slave devices even if its sizes are different.
 303          */
 304         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 305
 306         if (internals->slave_count < 1) {
 307                 /* if MAC is not user defined then use MAC of first slave add to
 308                  * bonded device */
 309                 if (!internals->user_defined_mac) {
 310                         if (mac_address_set(bonded_eth_dev,
 311                                             slave_eth_dev->data->mac_addrs)) {
 312                                 RTE_BOND_LOG(ERR, "Failed to set MAC address");
 313                                 return -1;
 314                         }
 315                 }
 316
 317                 /* Inherit eth dev link properties from first slave */
 318                 link_properties_set(bonded_eth_dev,
 319                                 &(slave_eth_dev->data->dev_link));
 320
 321                 /* Make primary slave */
 322                 internals->primary_port = slave_port_id;
 323                 internals->current_primary_port = slave_port_id;
 324
 325                 /* Inherit queues settings from first slave */
 326                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 327                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 328
 329                 internals->reta_size = dev_info.reta_size;
 330
 331                 /* Take the first dev's offload capabilities */
 332                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 333                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 334                 internals->rx_queue_offload_capa = dev_info.rx_queue_offload_capa;
 335                 internals->tx_queue_offload_capa = dev_info.tx_queue_offload_capa;
 336                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 337
 338                 /* Inherit first slave's max rx packet size */
 339                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 340
 341         } else {
 342                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 343                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 344                 internals->rx_queue_offload_capa &= dev_info.rx_queue_offload_capa;
 345                 internals->tx_queue_offload_capa &= dev_info.tx_queue_offload_capa;
 346                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 347
 348                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 349                  * the power of 2, the lower one is GCD
 350                  */
 351                 if (internals->reta_size > dev_info.reta_size)
 352                         internals->reta_size = dev_info.reta_size;
 353
 354                 if (!internals->max_rx_pktlen &&
 355                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
 356                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 357         }
 358
 359         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 360                         internals->flow_type_rss_offloads;
 361
 362         if (slave_rte_flow_prepare(internals->slave_count, internals) != 0) {
 363                 RTE_BOND_LOG(ERR, "Failed to prepare new slave flows: port=%d",
 364                              slave_port_id);
 365                 return -1;
 366         }
 367
 368         /* Add additional MAC addresses to the slave */
 369         if (slave_add_mac_addresses(bonded_eth_dev, slave_port_id) != 0) {
 370                 RTE_BOND_LOG(ERR, "Failed to add mac address(es) to slave %hu",
 371                                 slave_port_id);
 372                 return -1;
 373         }
 374
 375         internals->slave_count++;
 376
 377         if (bonded_eth_dev->data->dev_started) {
 378                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 379                         internals->slave_count--;
 380                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 381                                         slave_port_id);
 382                         return -1;
 383                 }
 384         }
 385
 386         /* Add slave details to bonded device */
 387         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 388
 389         /* Update all slave devices MACs */
 390         mac_address_slaves_update(bonded_eth_dev);
 391
 392         /* Register link status change callback with bonded device pointer as
 393          * argument*/
 394         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 395                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 396
 397         /* If bonded device is started then we can add the slave to our active
 398          * slave array */
 399         if (bonded_eth_dev->data->dev_started) {
 400                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 401
 402                  if (link_props.link_status == ETH_LINK_UP) {
 403                         if (internals->active_slave_count == 0 &&
 404                             !internals->user_defined_primary_port)
 405                                 bond_ethdev_primary_set(internals,
 406                                                         slave_port_id);
 407                 }
 408         }
 409
 410         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 411
 412         return 0;
 413
 414 }
 415
 416 int
 417 rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id)
 418 {
 419         struct rte_eth_dev *bonded_eth_dev;
 420         struct bond_dev_private *internals;
 421
 422         int retval;
 423
 424         /* Verify that port id's are valid bonded and slave ports */
 425         if (valid_bonded_port_id(bonded_port_id) != 0)
 426                 return -1;
 427
 428         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 429         internals = bonded_eth_dev->data->dev_private;
 430
 431         rte_spinlock_lock(&internals->lock);
 432
 433         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 434
 435         rte_spinlock_unlock(&internals->lock);
 436
 437         return retval;
 438 }
 439
 440 static int
 441 __eth_bond_slave_remove_lock_free(uint16_t bonded_port_id,
 442                                    uint16_t slave_port_id)
 443 {
 444         struct rte_eth_dev *bonded_eth_dev;
 445         struct bond_dev_private *internals;
 446         struct rte_eth_dev *slave_eth_dev;
 447         struct rte_flow_error flow_error;
 448         struct rte_flow *flow;
 449         int i, slave_idx;
 450
 451         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 452         internals = bonded_eth_dev->data->dev_private;
 453
 454         if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
 455                 return -1;
 456
 457         /* first remove from active slave list */
 458         slave_idx = find_slave_by_id(internals->active_slaves,
 459                 internals->active_slave_count, slave_port_id);
 460
 461         if (slave_idx < internals->active_slave_count)
 462                 deactivate_slave(bonded_eth_dev, slave_port_id);
 463
 464         slave_idx = -1;
 465         /* now find in slave list */
 466         for (i = 0; i < internals->slave_count; i++)
 467                 if (internals->slaves[i].port_id == slave_port_id) {
 468                         slave_idx = i;
 469                         break;
 470                 }
 471
 472         if (slave_idx < 0) {
 473                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 474                                 internals->slave_count);
 475                 return -1;
 476         }
 477
 478         /* Un-register link status change callback with bonded device pointer as
 479          * argument*/
 480         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 481                         bond_ethdev_lsc_event_callback,
 482                         &rte_eth_devices[bonded_port_id].data->port_id);
 483
 484         /* Restore original MAC address of slave device */
 485         rte_eth_dev_default_mac_addr_set(slave_port_id,
 486                         &(internals->slaves[slave_idx].persisted_mac_addr));
 487
 488         /* remove additional MAC addresses from the slave */
 489         slave_remove_mac_addresses(bonded_eth_dev, slave_port_id);
 490
 491         /*
 492          * Remove bond device flows from slave device.
 493          * Note: don't restore flow isolate mode.
 494          */
 495         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 496                 if (flow->flows[slave_idx] != NULL) {
 497                         rte_flow_destroy(slave_port_id, flow->flows[slave_idx],
 498                                          &flow_error);
 499                         flow->flows[slave_idx] = NULL;
 500                 }
 501         }
 502
 503         slave_eth_dev = &rte_eth_devices[slave_port_id];
 504         slave_remove(internals, slave_eth_dev);
 505         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 506
 507         /*  first slave in the active list will be the primary by default,
 508          *  otherwise use first device in list */
 509         if (internals->current_primary_port == slave_port_id) {
 510                 if (internals->active_slave_count > 0)
 511                         internals->current_primary_port = internals->active_slaves[0];
 512                 else if (internals->slave_count > 0)
 513                         internals->current_primary_port = internals->slaves[0].port_id;
 514                 else
 515                         internals->primary_port = 0;
 516         }
 517
 518         if (internals->active_slave_count < 1) {
 519                 /* if no slaves are any longer attached to bonded device and MAC is not
 520                  * user defined then clear MAC of bonded device as it will be reset
 521                  * when a new slave is added */
 522                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 523                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 524                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 525         }
 526         if (internals->slave_count == 0) {
 527                 internals->rx_offload_capa = 0;
 528                 internals->tx_offload_capa = 0;
 529                 internals->rx_queue_offload_capa = 0;
 530                 internals->tx_queue_offload_capa = 0;
 531                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 532                 internals->reta_size = 0;
 533                 internals->candidate_max_rx_pktlen = 0;
 534                 internals->max_rx_pktlen = 0;
 535         }
 536         return 0;
 537 }
 538
 539 int
 540 rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id)
 541 {
 542         struct rte_eth_dev *bonded_eth_dev;
 543         struct bond_dev_private *internals;
 544         int retval;
 545
 546         if (valid_bonded_port_id(bonded_port_id) != 0)
 547                 return -1;
 548
 549         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 550         internals = bonded_eth_dev->data->dev_private;
 551
 552         rte_spinlock_lock(&internals->lock);
 553
 554         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 555
 556         rte_spinlock_unlock(&internals->lock);
 557
 558         return retval;
 559 }
 560
 561 int
 562 rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode)
 563 {
 564         struct rte_eth_dev *bonded_eth_dev;
 565
 566         if (valid_bonded_port_id(bonded_port_id) != 0)
 567                 return -1;
 568
 569         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 570
 571         if (check_for_master_bonded_ethdev(bonded_eth_dev) != 0 &&
 572                         mode == BONDING_MODE_8023AD)
 573                 return -1;
 574
 575         return bond_ethdev_mode_set(bonded_eth_dev, mode);
 576 }
 577
 578 int
 579 rte_eth_bond_mode_get(uint16_t bonded_port_id)
 580 {
 581         struct bond_dev_private *internals;
 582
 583         if (valid_bonded_port_id(bonded_port_id) != 0)
 584                 return -1;
 585
 586         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 587
 588         return internals->mode;
 589 }
 590
 591 int
 592 rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 593 {
 594         struct bond_dev_private *internals;
 595
 596         if (valid_bonded_port_id(bonded_port_id) != 0)
 597                 return -1;
 598
 599         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 600
 601         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 602                 return -1;
 603
 604         internals->user_defined_primary_port = 1;
 605         internals->primary_port = slave_port_id;
 606
 607         bond_ethdev_primary_set(internals, slave_port_id);
 608
 609         return 0;
 610 }
 611
 612 int
 613 rte_eth_bond_primary_get(uint16_t bonded_port_id)
 614 {
 615         struct bond_dev_private *internals;
 616
 617         if (valid_bonded_port_id(bonded_port_id) != 0)
 618                 return -1;
 619
 620         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 621
 622         if (internals->slave_count < 1)
 623                 return -1;
 624
 625         return internals->current_primary_port;
 626 }
 627
 628 int
 629 rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 630                         uint16_t len)
 631 {
 632         struct bond_dev_private *internals;
 633         uint8_t i;
 634
 635         if (valid_bonded_port_id(bonded_port_id) != 0)
 636                 return -1;
 637
 638         if (slaves == NULL)
 639                 return -1;
 640
 641         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 642
 643         if (internals->slave_count > len)
 644                 return -1;
 645
 646         for (i = 0; i < internals->slave_count; i++)
 647                 slaves[i] = internals->slaves[i].port_id;
 648
 649         return internals->slave_count;
 650 }
 651
 652 int
 653 rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 654                 uint16_t len)
 655 {
 656         struct bond_dev_private *internals;
 657
 658         if (valid_bonded_port_id(bonded_port_id) != 0)
 659                 return -1;
 660
 661         if (slaves == NULL)
 662                 return -1;
 663
 664         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 665
 666         if (internals->active_slave_count > len)
 667                 return -1;
 668
 669         memcpy(slaves, internals->active_slaves,
 670         internals->active_slave_count * sizeof(internals->active_slaves[0]));
 671
 672         return internals->active_slave_count;
 673 }
 674
 675 int
 676 rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
 677                 struct ether_addr *mac_addr)
 678 {
 679         struct rte_eth_dev *bonded_eth_dev;
 680         struct bond_dev_private *internals;
 681
 682         if (valid_bonded_port_id(bonded_port_id) != 0)
 683                 return -1;
 684
 685         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 686         internals = bonded_eth_dev->data->dev_private;
 687
 688         /* Set MAC Address of Bonded Device */
 689         if (mac_address_set(bonded_eth_dev, mac_addr))
 690                 return -1;
 691
 692         internals->user_defined_mac = 1;
 693
 694         /* Update all slave devices MACs*/
 695         if (internals->slave_count > 0)
 696                 return mac_address_slaves_update(bonded_eth_dev);
 697
 698         return 0;
 699 }
 700
 701 int
 702 rte_eth_bond_mac_address_reset(uint16_t bonded_port_id)
 703 {
 704         struct rte_eth_dev *bonded_eth_dev;
 705         struct bond_dev_private *internals;
 706
 707         if (valid_bonded_port_id(bonded_port_id) != 0)
 708                 return -1;
 709
 710         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 711         internals = bonded_eth_dev->data->dev_private;
 712
 713         internals->user_defined_mac = 0;
 714
 715         if (internals->slave_count > 0) {
 716                 int slave_port;
 717                 /* Get the primary slave location based on the primary port
 718                  * number as, while slave_add(), we will keep the primary
 719                  * slave based on slave_count,but not based on the primary port.
 720                  */
 721                 for (slave_port = 0; slave_port < internals->slave_count;
 722                      slave_port++) {
 723                         if (internals->slaves[slave_port].port_id ==
 724                             internals->primary_port)
 725                                 break;
 726                 }
 727
 728                 /* Set MAC Address of Bonded Device */
 729                 if (mac_address_set(bonded_eth_dev,
 730                         &internals->slaves[slave_port].persisted_mac_addr)
 731                                 != 0) {
 732                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 733                         return -1;
 734                 }
 735                 /* Update all slave devices MAC addresses */
 736                 return mac_address_slaves_update(bonded_eth_dev);
 737         }
 738         /* No need to update anything as no slaves present */
 739         return 0;
 740 }
 741
 742 int
 743 rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy)
 744 {
 745         struct bond_dev_private *internals;
 746
 747         if (valid_bonded_port_id(bonded_port_id) != 0)
 748                 return -1;
 749
 750         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 751
 752         switch (policy) {
 753         case BALANCE_XMIT_POLICY_LAYER2:
 754                 internals->balance_xmit_policy = policy;
 755                 internals->burst_xmit_hash = burst_xmit_l2_hash;
 756                 break;
 757         case BALANCE_XMIT_POLICY_LAYER23:
 758                 internals->balance_xmit_policy = policy;
 759                 internals->burst_xmit_hash = burst_xmit_l23_hash;
 760                 break;
 761         case BALANCE_XMIT_POLICY_LAYER34:
 762                 internals->balance_xmit_policy = policy;
 763                 internals->burst_xmit_hash = burst_xmit_l34_hash;
 764                 break;
 765
 766         default:
 767                 return -1;
 768         }
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id)
 774 {
 775         struct bond_dev_private *internals;
 776
 777         if (valid_bonded_port_id(bonded_port_id) != 0)
 778                 return -1;
 779
 780         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 781
 782         return internals->balance_xmit_policy;
 783 }
 784
 785 int
 786 rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms)
 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_status_polling_interval_ms = internal_ms;
 795
 796         return 0;
 797 }
 798
 799 int
 800 rte_eth_bond_link_monitoring_get(uint16_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_status_polling_interval_ms;
 810 }
 811
 812 int
 813 rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
 814                                        uint32_t delay_ms)
 815
 816 {
 817         struct bond_dev_private *internals;
 818
 819         if (valid_bonded_port_id(bonded_port_id) != 0)
 820                 return -1;
 821
 822         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 823         internals->link_down_delay_ms = delay_ms;
 824
 825         return 0;
 826 }
 827
 828 int
 829 rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id)
 830 {
 831         struct bond_dev_private *internals;
 832
 833         if (valid_bonded_port_id(bonded_port_id) != 0)
 834                 return -1;
 835
 836         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 837
 838         return internals->link_down_delay_ms;
 839 }
 840
 841 int
 842 rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id, uint32_t delay_ms)
 843
 844 {
 845         struct bond_dev_private *internals;
 846
 847         if (valid_bonded_port_id(bonded_port_id) != 0)
 848                 return -1;
 849
 850         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 851         internals->link_up_delay_ms = delay_ms;
 852
 853         return 0;
 854 }
 855
 856 int
 857 rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id)
 858 {
 859         struct bond_dev_private *internals;
 860
 861         if (valid_bonded_port_id(bonded_port_id) != 0)
 862                 return -1;
 863
 864         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 865
 866         return internals->link_up_delay_ms;
 867 }