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