drivers/net/bonding/rte_eth_bond_api.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 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
 281         /* now free all data allocation - for eth_dev structure,
 282          * dummy pci driver and internal (private) data
 283          */
 284
 285         /* find an ethdev entry */
 286         eth_dev = rte_eth_dev_allocated(name);
 287         if (eth_dev == NULL)
 288                 return -ENODEV;
 289
 290         if (eth_dev->data->dev_started == 1) {
 291                 bond_ethdev_stop(eth_dev);
 292                 bond_ethdev_close(eth_dev);
 293         }
 294
 295         eth_dev->dev_ops = NULL;
 296         eth_dev->rx_pkt_burst = NULL;
 297         eth_dev->tx_pkt_burst = NULL;
 298
 299         rte_free(eth_dev->data->dev_private);
 300         rte_free(eth_dev->data->mac_addrs);
 301
 302         rte_eth_dev_release_port(eth_dev);
 303
 304         return 0;
 305 }
 306
 307 static int
 308 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 309 {
 310         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 311         struct bond_dev_private *internals;
 312         struct bond_dev_private *temp_internals;
 313         struct rte_eth_link link_props;
 314         struct rte_eth_dev_info dev_info;
 315
 316         int i, j;
 317
 318         if (valid_slave_port_id(slave_port_id) != 0)
 319                 return -1;
 320
 321         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 322         internals = bonded_eth_dev->data->dev_private;
 323
 324         /* Verify that new slave device is not already a slave of another
 325          * bonded device */
 326         for (i = rte_eth_dev_count()-1; i >= 0; i--) {
 327                 if (check_for_bonded_ethdev(&rte_eth_devices[i]) == 0) {
 328                         temp_internals = rte_eth_devices[i].data->dev_private;
 329
 330                         for (j = 0; j < temp_internals->slave_count; j++) {
 331                                 /* Device already a slave of a bonded device */
 332                                 if (temp_internals->slaves[j].port_id == slave_port_id) {
 333                                         RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
 334                                                         slave_port_id);
 335                                         return -1;
 336                                 }
 337                         }
 338                 }
 339         }
 340
 341         slave_eth_dev = &rte_eth_devices[slave_port_id];
 342
 343         /* Add slave details to bonded device */
 344         slave_add(internals, slave_eth_dev);
 345
 346         rte_eth_dev_info_get(slave_port_id, &dev_info);
 347
 348         /* We need to store slaves reta_size to be able to synchronize RETA for all
 349          * slave devices even if its sizes are different.
 350          */
 351         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 352
 353         if (internals->slave_count < 1) {
 354                 /* if MAC is not user defined then use MAC of first slave add to
 355                  * bonded device */
 356                 if (!internals->user_defined_mac)
 357                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 358
 359                 /* Inherit eth dev link properties from first slave */
 360                 link_properties_set(bonded_eth_dev,
 361                                 &(slave_eth_dev->data->dev_link));
 362
 363                 /* Make primary slave */
 364                 internals->primary_port = slave_port_id;
 365
 366                 /* Inherit queues settings from first slave */
 367                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 368                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 369
 370                 internals->reta_size = dev_info.reta_size;
 371
 372                 /* Take the first dev's offload capabilities */
 373                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 374                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 375                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 376
 377         } else {
 378                 /* Check slave link properties are supported if props are set,
 379                  * all slaves must be the same */
 380                 if (internals->link_props_set) {
 381                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 382                                                                           &(slave_eth_dev->data->dev_link))) {
 383                                 RTE_BOND_LOG(ERR,
 384                                                 "Slave port %d link speed/duplex not supported",
 385                                                 slave_port_id);
 386                                 return -1;
 387                         }
 388                 } else {
 389                         link_properties_set(bonded_eth_dev,
 390                                         &(slave_eth_dev->data->dev_link));
 391                 }
 392                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 393                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 394                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 395
 396                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 397                  * the power of 2, the lower one is GCD
 398                  */
 399                 if (internals->reta_size > dev_info.reta_size)
 400                         internals->reta_size = dev_info.reta_size;
 401
 402         }
 403
 404         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 405                         internals->flow_type_rss_offloads;
 406
 407         internals->slave_count++;
 408
 409         /* Update all slave devices MACs*/
 410         mac_address_slaves_update(bonded_eth_dev);
 411
 412         if (bonded_eth_dev->data->dev_started) {
 413                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 414                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 415                                         slave_port_id);
 416                         return -1;
 417                 }
 418         }
 419
 420         /* Register link status change callback with bonded device pointer as
 421          * argument*/
 422         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 423                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 424
 425         /* If bonded device is started then we can add the slave to our active
 426          * slave array */
 427         if (bonded_eth_dev->data->dev_started) {
 428                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 429
 430                  if (link_props.link_status == 1)
 431                         activate_slave(bonded_eth_dev, slave_port_id);
 432         }
 433         return 0;
 434
 435 }
 436
 437 int
 438 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 439 {
 440         struct rte_eth_dev *bonded_eth_dev;
 441         struct bond_dev_private *internals;
 442
 443         int retval;
 444
 445         /* Verify that port id's are valid bonded and slave ports */
 446         if (valid_bonded_port_id(bonded_port_id) != 0)
 447                 return -1;
 448
 449         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 450         internals = bonded_eth_dev->data->dev_private;
 451
 452         rte_spinlock_lock(&internals->lock);
 453
 454         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 455
 456         rte_spinlock_unlock(&internals->lock);
 457
 458         return retval;
 459 }
 460
 461 static int
 462 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 463 {
 464         struct rte_eth_dev *bonded_eth_dev;
 465         struct bond_dev_private *internals;
 466
 467         int i, slave_idx;
 468
 469         if (valid_slave_port_id(slave_port_id) != 0)
 470                 return -1;
 471
 472         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 473         internals = bonded_eth_dev->data->dev_private;
 474
 475         /* first remove from active slave list */
 476         slave_idx = find_slave_by_id(internals->active_slaves,
 477                 internals->active_slave_count, slave_port_id);
 478
 479         if (slave_idx < internals->active_slave_count)
 480                 deactivate_slave(bonded_eth_dev, slave_port_id);
 481
 482         slave_idx = -1;
 483         /* now find in slave list */
 484         for (i = 0; i < internals->slave_count; i++)
 485                 if (internals->slaves[i].port_id == slave_port_id) {
 486                         slave_idx = i;
 487                         break;
 488                 }
 489
 490         if (slave_idx < 0) {
 491                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 492                                 internals->slave_count);
 493                 return -1;
 494         }
 495
 496         /* Un-register link status change callback with bonded device pointer as
 497          * argument*/
 498         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 499                         bond_ethdev_lsc_event_callback,
 500                         &rte_eth_devices[bonded_port_id].data->port_id);
 501
 502         /* Restore original MAC address of slave device */
 503         mac_address_set(&rte_eth_devices[slave_port_id],
 504                         &(internals->slaves[slave_idx].persisted_mac_addr));
 505
 506         slave_remove(internals, &rte_eth_devices[slave_port_id]);
 507
 508         /*  first slave in the active list will be the primary by default,
 509          *  otherwise use first device in list */
 510         if (internals->current_primary_port == slave_port_id) {
 511                 if (internals->active_slave_count > 0)
 512                         internals->current_primary_port = internals->active_slaves[0];
 513                 else if (internals->slave_count > 0)
 514                         internals->current_primary_port = internals->slaves[0].port_id;
 515                 else
 516                         internals->primary_port = 0;
 517         }
 518
 519         if (internals->active_slave_count < 1) {
 520                 /* reset device link properties as no slaves are active */
 521                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 522
 523                 /* if no slaves are any longer attached to bonded device and MAC is not
 524                  * user defined then clear MAC of bonded device as it will be reset
 525                  * when a new slave is added */
 526                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 527                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 528                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 529         }
 530         if (internals->slave_count == 0) {
 531                 internals->rx_offload_capa = 0;
 532                 internals->tx_offload_capa = 0;
 533                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 534                 internals->reta_size = 0;
 535         }
 536         return 0;
 537 }
 538
 539 int
 540 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_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(uint8_t bonded_port_id, uint8_t mode)
 563 {
 564         if (valid_bonded_port_id(bonded_port_id) != 0)
 565                 return -1;
 566
 567         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 568 }
 569
 570 int
 571 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 572 {
 573         struct bond_dev_private *internals;
 574
 575         if (valid_bonded_port_id(bonded_port_id) != 0)
 576                 return -1;
 577
 578         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 579
 580         return internals->mode;
 581 }
 582
 583 int
 584 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 585 {
 586         struct bond_dev_private *internals;
 587
 588         if (valid_bonded_port_id(bonded_port_id) != 0)
 589                 return -1;
 590
 591         if (valid_slave_port_id(slave_port_id) != 0)
 592                 return -1;
 593
 594         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 595
 596         internals->user_defined_primary_port = 1;
 597         internals->primary_port = slave_port_id;
 598
 599         bond_ethdev_primary_set(internals, slave_port_id);
 600
 601         return 0;
 602 }
 603
 604 int
 605 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 606 {
 607         struct bond_dev_private *internals;
 608
 609         if (valid_bonded_port_id(bonded_port_id) != 0)
 610                 return -1;
 611
 612         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 613
 614         if (internals->slave_count < 1)
 615                 return -1;
 616
 617         return internals->current_primary_port;
 618 }
 619
 620 int
 621 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 622 {
 623         struct bond_dev_private *internals;
 624         uint8_t i;
 625
 626         if (valid_bonded_port_id(bonded_port_id) != 0)
 627                 return -1;
 628
 629         if (slaves == NULL)
 630                 return -1;
 631
 632         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 633
 634         if (internals->slave_count > len)
 635                 return -1;
 636
 637         for (i = 0; i < internals->slave_count; i++)
 638                 slaves[i] = internals->slaves[i].port_id;
 639
 640         return internals->slave_count;
 641 }
 642
 643 int
 644 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 645                 uint8_t len)
 646 {
 647         struct bond_dev_private *internals;
 648
 649         if (valid_bonded_port_id(bonded_port_id) != 0)
 650                 return -1;
 651
 652         if (slaves == NULL)
 653                 return -1;
 654
 655         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 656
 657         if (internals->active_slave_count > len)
 658                 return -1;
 659
 660         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 661
 662         return internals->active_slave_count;
 663 }
 664
 665 int
 666 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 667                 struct ether_addr *mac_addr)
 668 {
 669         struct rte_eth_dev *bonded_eth_dev;
 670         struct bond_dev_private *internals;
 671
 672         if (valid_bonded_port_id(bonded_port_id) != 0)
 673                 return -1;
 674
 675         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 676         internals = bonded_eth_dev->data->dev_private;
 677
 678         /* Set MAC Address of Bonded Device */
 679         if (mac_address_set(bonded_eth_dev, mac_addr))
 680                 return -1;
 681
 682         internals->user_defined_mac = 1;
 683
 684         /* Update all slave devices MACs*/
 685         if (internals->slave_count > 0)
 686                 return mac_address_slaves_update(bonded_eth_dev);
 687
 688         return 0;
 689 }
 690
 691 int
 692 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 693 {
 694         struct rte_eth_dev *bonded_eth_dev;
 695         struct bond_dev_private *internals;
 696
 697         if (valid_bonded_port_id(bonded_port_id) != 0)
 698                 return -1;
 699
 700         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 701         internals = bonded_eth_dev->data->dev_private;
 702
 703         internals->user_defined_mac = 0;
 704
 705         if (internals->slave_count > 0) {
 706                 /* Set MAC Address of Bonded Device */
 707                 if (mac_address_set(bonded_eth_dev,
 708                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 709                                 != 0) {
 710                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 711                         return -1;
 712                 }
 713                 /* Update all slave devices MAC addresses */
 714                 return mac_address_slaves_update(bonded_eth_dev);
 715         }
 716         /* No need to update anything as no slaves present */
 717         return 0;
 718 }
 719
 720 int
 721 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 722 {
 723         struct bond_dev_private *internals;
 724
 725         if (valid_bonded_port_id(bonded_port_id) != 0)
 726                 return -1;
 727
 728         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 729
 730         switch (policy) {
 731         case BALANCE_XMIT_POLICY_LAYER2:
 732                 internals->balance_xmit_policy = policy;
 733                 internals->xmit_hash = xmit_l2_hash;
 734                 break;
 735         case BALANCE_XMIT_POLICY_LAYER23:
 736                 internals->balance_xmit_policy = policy;
 737                 internals->xmit_hash = xmit_l23_hash;
 738                 break;
 739         case BALANCE_XMIT_POLICY_LAYER34:
 740                 internals->balance_xmit_policy = policy;
 741                 internals->xmit_hash = xmit_l34_hash;
 742                 break;
 743
 744         default:
 745                 return -1;
 746         }
 747         return 0;
 748 }
 749
 750 int
 751 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 752 {
 753         struct bond_dev_private *internals;
 754
 755         if (valid_bonded_port_id(bonded_port_id) != 0)
 756                 return -1;
 757
 758         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 759
 760         return internals->balance_xmit_policy;
 761 }
 762
 763 int
 764 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 765 {
 766         struct bond_dev_private *internals;
 767
 768         if (valid_bonded_port_id(bonded_port_id) != 0)
 769                 return -1;
 770
 771         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 772         internals->link_status_polling_interval_ms = internal_ms;
 773
 774         return 0;
 775 }
 776
 777 int
 778 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 779 {
 780         struct bond_dev_private *internals;
 781
 782         if (valid_bonded_port_id(bonded_port_id) != 0)
 783                 return -1;
 784
 785         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 786
 787         return internals->link_status_polling_interval_ms;
 788 }
 789
 790 int
 791 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 792
 793 {
 794         struct bond_dev_private *internals;
 795
 796         if (valid_bonded_port_id(bonded_port_id) != 0)
 797                 return -1;
 798
 799         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 800         internals->link_down_delay_ms = delay_ms;
 801
 802         return 0;
 803 }
 804
 805 int
 806 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 807 {
 808         struct bond_dev_private *internals;
 809
 810         if (valid_bonded_port_id(bonded_port_id) != 0)
 811                 return -1;
 812
 813         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 814
 815         return internals->link_down_delay_ms;
 816 }
 817
 818 int
 819 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 820
 821 {
 822         struct bond_dev_private *internals;
 823
 824         if (valid_bonded_port_id(bonded_port_id) != 0)
 825                 return -1;
 826
 827         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 828         internals->link_up_delay_ms = delay_ms;
 829
 830         return 0;
 831 }
 832
 833 int
 834 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 835 {
 836         struct bond_dev_private *internals;
 837
 838         if (valid_bonded_port_id(bonded_port_id) != 0)
 839                 return -1;
 840
 841         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 842
 843         return internals->link_up_delay_ms;
 844 }