lib/librte_pmd_bond/rte_eth_bond_api.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 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(struct rte_eth_dev *eth_dev)
  49 {
  50         size_t len;
  51
  52         /* Check valid pointer */
  53         if (eth_dev->driver->pci_drv.name == NULL || driver_name == NULL)
  54                 return -1;
  55
  56         /* Check string lengths are equal */
  57         len = strlen(driver_name);
  58         if (strlen(eth_dev->driver->pci_drv.name) != len)
  59                 return -1;
  60
  61         /* Compare strings */
  62         return strncmp(eth_dev->driver->pci_drv.name, driver_name, len);
  63 }
  64
  65 int
  66 valid_port_id(uint8_t port_id)
  67 {
  68         /* Verify that port id is valid */
  69         int ethdev_count = rte_eth_dev_count();
  70         if (port_id >= ethdev_count) {
  71                 RTE_BOND_LOG(ERR, "Port Id %d is greater than rte_eth_dev_count %d",
  72                                 port_id, ethdev_count);
  73                 return -1;
  74         }
  75
  76         return 0;
  77 }
  78
  79 int
  80 valid_bonded_port_id(uint8_t port_id)
  81 {
  82         /* Verify that port id's are valid */
  83         if (valid_port_id(port_id))
  84                 return -1;
  85
  86         /* Verify that bonded_port_id refers to a bonded port */
  87         if (valid_bonded_ethdev(&rte_eth_devices[port_id])) {
  88                 RTE_BOND_LOG(ERR, "Specified port Id %d is not a bonded eth_dev device",
  89                                 port_id);
  90                 return -1;
  91         }
  92
  93         return 0;
  94 }
  95
  96 int
  97 valid_slave_port_id(uint8_t port_id)
  98 {
  99         /* Verify that port id's are valid */
 100         if (valid_port_id(port_id))
 101                 return -1;
 102
 103         /* Verify that port_id refers to a non bonded port */
 104         if (!valid_bonded_ethdev(&rte_eth_devices[port_id]))
 105                 return -1;
 106
 107         return 0;
 108 }
 109
 110 void
 111 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 112 {
 113         struct bond_dev_private *internals = eth_dev->data->dev_private;
 114
 115         if (internals->mode == BONDING_MODE_8023AD)
 116                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
 117
 118         RTE_VERIFY(internals->active_slave_count <
 119                         (RTE_DIM(internals->active_slaves) - 1));
 120
 121         internals->active_slaves[internals->active_slave_count] = port_id;
 122         internals->active_slave_count++;
 123 }
 124
 125 void
 126 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 127 {
 128         uint8_t slave_pos;
 129         struct bond_dev_private *internals = eth_dev->data->dev_private;
 130         uint8_t active_count = internals->active_slave_count;
 131
 132         if (internals->mode == BONDING_MODE_8023AD) {
 133                 bond_mode_8023ad_stop(eth_dev);
 134                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 135         }
 136
 137         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 138                         port_id);
 139
 140         /* If slave was not at the end of the list
 141          * shift active slaves up active array list */
 142         if (slave_pos < active_count) {
 143                 active_count--;
 144                 memmove(internals->active_slaves + slave_pos,
 145                                 internals->active_slaves + slave_pos + 1,
 146                                 (active_count - slave_pos) *
 147                                         sizeof(internals->active_slaves[0]));
 148         }
 149
 150         RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
 151         internals->active_slave_count = active_count;
 152
 153         if (eth_dev->data->dev_started && internals->mode == BONDING_MODE_8023AD)
 154                 bond_mode_8023ad_start(eth_dev);
 155 }
 156
 157 uint8_t
 158 number_of_sockets(void)
 159 {
 160         int sockets = 0;
 161         int i;
 162         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 163
 164         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 165                 if (sockets < ms[i].socket_id)
 166                         sockets = ms[i].socket_id;
 167         }
 168
 169         /* Number of sockets = maximum socket_id + 1 */
 170         return ++sockets;
 171 }
 172
 173 const char *driver_name = "Link Bonding PMD";
 174
 175 int
 176 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 177 {
 178         struct rte_pci_device *pci_dev = NULL;
 179         struct bond_dev_private *internals = NULL;
 180         struct rte_eth_dev *eth_dev = NULL;
 181         struct eth_driver *eth_drv = NULL;
 182         struct rte_pci_driver *pci_drv = NULL;
 183         struct rte_pci_id *pci_id_table = NULL;
 184         /* now do all data allocation - for eth_dev structure, dummy pci driver
 185          * and internal (private) data
 186          */
 187
 188         if (name == NULL) {
 189                 RTE_BOND_LOG(ERR, "Invalid name specified");
 190                 goto err;
 191         }
 192
 193         if (socket_id >= number_of_sockets()) {
 194                 RTE_BOND_LOG(ERR,
 195                                 "Invalid socket id specified to create bonded device on.");
 196                 goto err;
 197         }
 198
 199         pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
 200         if (pci_dev == NULL) {
 201                 RTE_BOND_LOG(ERR, "Unable to malloc pci dev on socket");
 202                 goto err;
 203         }
 204
 205         eth_drv = rte_zmalloc_socket(name, sizeof(*eth_drv), 0, socket_id);
 206         if (eth_drv == NULL) {
 207                 RTE_BOND_LOG(ERR, "Unable to malloc eth_drv on socket");
 208                 goto err;
 209         }
 210
 211         pci_drv = rte_zmalloc_socket(name, sizeof(*pci_drv), 0, socket_id);
 212         if (pci_drv == NULL) {
 213                 RTE_BOND_LOG(ERR, "Unable to malloc pci_drv on socket");
 214                 goto err;
 215         }
 216         pci_id_table = rte_zmalloc_socket(name, sizeof(*pci_id_table), 0, socket_id);
 217         if (pci_id_table == NULL) {
 218                 RTE_BOND_LOG(ERR, "Unable to malloc pci_id_table on socket");
 219                 goto err;
 220         }
 221
 222         pci_drv->id_table = pci_id_table;
 223
 224         pci_drv->id_table->device_id = PCI_ANY_ID;
 225         pci_drv->id_table->subsystem_device_id = PCI_ANY_ID;
 226         pci_drv->id_table->vendor_id = PCI_ANY_ID;
 227         pci_drv->id_table->subsystem_vendor_id = PCI_ANY_ID;
 228
 229         pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
 230
 231         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 232         if (internals == NULL) {
 233                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 234                 goto err;
 235         }
 236
 237         /* reserve an ethdev entry */
 238         eth_dev = rte_eth_dev_allocate(name);
 239         if (eth_dev == NULL) {
 240                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 241                 goto err;
 242         }
 243
 244         pci_dev->numa_node = socket_id;
 245         pci_drv->name = driver_name;
 246
 247         eth_drv->pci_drv = (struct rte_pci_driver)(*pci_drv);
 248         eth_dev->driver = eth_drv;
 249
 250         eth_dev->data->dev_private = internals;
 251         eth_dev->data->nb_rx_queues = (uint16_t)1;
 252         eth_dev->data->nb_tx_queues = (uint16_t)1;
 253
 254         TAILQ_INIT(&(eth_dev->callbacks));
 255
 256         eth_dev->data->dev_link.link_status = 0;
 257
 258         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 259                         socket_id);
 260
 261         eth_dev->data->dev_started = 0;
 262         eth_dev->data->promiscuous = 0;
 263         eth_dev->data->scattered_rx = 0;
 264         eth_dev->data->all_multicast = 0;
 265
 266         eth_dev->dev_ops = &default_dev_ops;
 267         eth_dev->pci_dev = pci_dev;
 268
 269         rte_spinlock_init(&internals->lock);
 270
 271         internals->port_id = eth_dev->data->port_id;
 272         internals->mode = BONDING_MODE_INVALID;
 273         internals->current_primary_port = 0;
 274         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 275         internals->user_defined_mac = 0;
 276         internals->link_props_set = 0;
 277
 278         internals->link_status_polling_enabled = 0;
 279
 280         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 281         internals->link_down_delay_ms = 0;
 282         internals->link_up_delay_ms = 0;
 283
 284         internals->slave_count = 0;
 285         internals->active_slave_count = 0;
 286         internals->rx_offload_capa = 0;
 287         internals->tx_offload_capa = 0;
 288
 289         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 290         memset(internals->slaves, 0, sizeof(internals->slaves));
 291
 292         /* Set mode 4 default configuration */
 293         bond_mode_8023ad_setup(eth_dev, NULL);
 294         if (bond_ethdev_mode_set(eth_dev, mode)) {
 295                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 296                                  eth_dev->data->port_id, mode);
 297                 goto err;
 298         }
 299
 300         return eth_dev->data->port_id;
 301
 302 err:
 303         if (pci_dev)
 304                 rte_free(pci_dev);
 305         if (pci_drv)
 306                 rte_free(pci_drv);
 307         if (pci_id_table)
 308                 rte_free(pci_id_table);
 309         if (eth_drv)
 310                 rte_free(eth_drv);
 311         if (internals)
 312                 rte_free(internals);
 313         return -1;
 314 }
 315
 316 static int
 317 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 318 {
 319         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 320         struct bond_dev_private *internals;
 321         struct bond_dev_private *temp_internals;
 322         struct rte_eth_link link_props;
 323         struct rte_eth_dev_info dev_info;
 324
 325         int i, j;
 326
 327         if (valid_slave_port_id(slave_port_id) != 0)
 328                 return -1;
 329
 330         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 331         internals = bonded_eth_dev->data->dev_private;
 332
 333         /* Verify that new slave device is not already a slave of another
 334          * bonded device */
 335         for (i = rte_eth_dev_count()-1; i >= 0; i--) {
 336                 if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
 337                         temp_internals = rte_eth_devices[i].data->dev_private;
 338
 339                         for (j = 0; j < temp_internals->slave_count; j++) {
 340                                 /* Device already a slave of a bonded device */
 341                                 if (temp_internals->slaves[j].port_id == slave_port_id) {
 342                                         RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
 343                                                         slave_port_id);
 344                                         return -1;
 345                                 }
 346                         }
 347                 }
 348         }
 349
 350         slave_eth_dev = &rte_eth_devices[slave_port_id];
 351
 352         /* Add slave details to bonded device */
 353         slave_add(internals, slave_eth_dev);
 354
 355         memset(&dev_info, 0, sizeof(dev_info));
 356         rte_eth_dev_info_get(slave_port_id, &dev_info);
 357
 358         if (internals->slave_count < 1) {
 359                 /* if MAC is not user defined then use MAC of first slave add to
 360                  * bonded device */
 361                 if (!internals->user_defined_mac)
 362                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 363
 364                 /* Inherit eth dev link properties from first slave */
 365                 link_properties_set(bonded_eth_dev,
 366                                 &(slave_eth_dev->data->dev_link));
 367
 368                 /* Make primary slave */
 369                 internals->primary_port = slave_port_id;
 370
 371                 /* Take the first dev's offload capabilities */
 372                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 373                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 374
 375         } else {
 376                 /* Check slave link properties are supported if props are set,
 377                  * all slaves must be the same */
 378                 if (internals->link_props_set) {
 379                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 380                                                                           &(slave_eth_dev->data->dev_link))) {
 381                                 RTE_BOND_LOG(ERR,
 382                                                 "Slave port %d link speed/duplex not supported",
 383                                                 slave_port_id);
 384                                 return -1;
 385                         }
 386                 } else {
 387                         link_properties_set(bonded_eth_dev,
 388                                         &(slave_eth_dev->data->dev_link));
 389                 }
 390                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 391                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 392         }
 393
 394         internals->slave_count++;
 395
 396         /* Update all slave devices MACs*/
 397         mac_address_slaves_update(bonded_eth_dev);
 398
 399         if (bonded_eth_dev->data->dev_started) {
 400                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 401                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 402                                         slave_port_id);
 403                         return -1;
 404                 }
 405         }
 406
 407         /* Register link status change callback with bonded device pointer as
 408          * argument*/
 409         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 410                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 411
 412         /* If bonded device is started then we can add the slave to our active
 413          * slave array */
 414         if (bonded_eth_dev->data->dev_started) {
 415                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 416
 417                  if (link_props.link_status == 1)
 418                         activate_slave(bonded_eth_dev, slave_port_id);
 419         }
 420         return 0;
 421
 422 }
 423
 424 int
 425 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 426 {
 427         struct rte_eth_dev *bonded_eth_dev;
 428         struct bond_dev_private *internals;
 429
 430         int retval;
 431
 432         /* Verify that port id's are valid bonded and slave ports */
 433         if (valid_bonded_port_id(bonded_port_id) != 0)
 434                 return -1;
 435
 436         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 437         internals = bonded_eth_dev->data->dev_private;
 438
 439         rte_spinlock_lock(&internals->lock);
 440
 441         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 442
 443         rte_spinlock_unlock(&internals->lock);
 444
 445         return retval;
 446 }
 447
 448 static int
 449 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 450 {
 451         struct rte_eth_dev *bonded_eth_dev;
 452         struct bond_dev_private *internals;
 453
 454         int i, slave_idx;
 455
 456         if (valid_slave_port_id(slave_port_id) != 0)
 457                 return -1;
 458
 459         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 460         internals = bonded_eth_dev->data->dev_private;
 461
 462         /* first remove from active slave list */
 463         slave_idx = find_slave_by_id(internals->active_slaves,
 464                 internals->active_slave_count, slave_port_id);
 465
 466         if (slave_idx < internals->active_slave_count)
 467                 deactivate_slave(bonded_eth_dev, slave_port_id);
 468
 469         slave_idx = -1;
 470         /* now find in slave list */
 471         for (i = 0; i < internals->slave_count; i++)
 472                 if (internals->slaves[i].port_id == slave_port_id) {
 473                         slave_idx = i;
 474                         break;
 475                 }
 476
 477         if (slave_idx < 0) {
 478                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 479                                 internals->slave_count);
 480                 return -1;
 481         }
 482
 483         /* Un-register link status change callback with bonded device pointer as
 484          * argument*/
 485         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 486                         bond_ethdev_lsc_event_callback,
 487                         &rte_eth_devices[bonded_port_id].data->port_id);
 488
 489         /* Restore original MAC address of slave device */
 490         mac_address_set(&rte_eth_devices[slave_port_id],
 491                         &(internals->slaves[slave_idx].persisted_mac_addr));
 492
 493         slave_remove(internals, &rte_eth_devices[slave_port_id]);
 494
 495         /*  first slave in the active list will be the primary by default,
 496          *  otherwise use first device in list */
 497         if (internals->current_primary_port == slave_port_id) {
 498                 if (internals->active_slave_count > 0)
 499                         internals->current_primary_port = internals->active_slaves[0];
 500                 else if (internals->slave_count > 0)
 501                         internals->current_primary_port = internals->slaves[0].port_id;
 502                 else
 503                         internals->primary_port = 0;
 504         }
 505
 506         if (internals->active_slave_count < 1) {
 507                 /* reset device link properties as no slaves are active */
 508                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 509
 510                 /* if no slaves are any longer attached to bonded device and MAC is not
 511                  * user defined then clear MAC of bonded device as it will be reset
 512                  * when a new slave is added */
 513                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 514                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 515                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 516         }
 517         if (internals->slave_count == 0) {
 518                 internals->rx_offload_capa = 0;
 519                 internals->tx_offload_capa = 0;
 520         }
 521         return 0;
 522 }
 523
 524 int
 525 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 526 {
 527         struct rte_eth_dev *bonded_eth_dev;
 528         struct bond_dev_private *internals;
 529         int retval;
 530
 531         if (valid_bonded_port_id(bonded_port_id) != 0)
 532                 return -1;
 533
 534         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 535         internals = bonded_eth_dev->data->dev_private;
 536
 537         rte_spinlock_lock(&internals->lock);
 538
 539         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 540
 541         rte_spinlock_unlock(&internals->lock);
 542
 543         return retval;
 544 }
 545
 546 int
 547 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 548 {
 549         if (valid_bonded_port_id(bonded_port_id) != 0)
 550                 return -1;
 551
 552         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 553 }
 554
 555 int
 556 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 557 {
 558         struct bond_dev_private *internals;
 559
 560         if (valid_bonded_port_id(bonded_port_id) != 0)
 561                 return -1;
 562
 563         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 564
 565         return internals->mode;
 566 }
 567
 568 int
 569 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 570 {
 571         struct bond_dev_private *internals;
 572
 573         if (valid_bonded_port_id(bonded_port_id) != 0)
 574                 return -1;
 575
 576         if (valid_slave_port_id(slave_port_id) != 0)
 577                 return -1;
 578
 579         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 580
 581         internals->user_defined_primary_port = 1;
 582         internals->primary_port = slave_port_id;
 583
 584         bond_ethdev_primary_set(internals, slave_port_id);
 585
 586         return 0;
 587 }
 588
 589 int
 590 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 591 {
 592         struct bond_dev_private *internals;
 593
 594         if (valid_bonded_port_id(bonded_port_id) != 0)
 595                 return -1;
 596
 597         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 598
 599         if (internals->slave_count < 1)
 600                 return -1;
 601
 602         return internals->current_primary_port;
 603 }
 604
 605 int
 606 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 607 {
 608         struct bond_dev_private *internals;
 609         uint8_t i;
 610
 611         if (valid_bonded_port_id(bonded_port_id) != 0)
 612                 return -1;
 613
 614         if (slaves == NULL)
 615                 return -1;
 616
 617         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 618
 619         if (internals->slave_count > len)
 620                 return -1;
 621
 622         for (i = 0; i < internals->slave_count; i++)
 623                 slaves[i] = internals->slaves[i].port_id;
 624
 625         return internals->slave_count;
 626 }
 627
 628 int
 629 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 630                 uint8_t len)
 631 {
 632         struct bond_dev_private *internals;
 633
 634         if (valid_bonded_port_id(bonded_port_id) != 0)
 635                 return -1;
 636
 637         if (slaves == NULL)
 638                 return -1;
 639
 640         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 641
 642         if (internals->active_slave_count > len)
 643                 return -1;
 644
 645         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 646
 647         return internals->active_slave_count;
 648 }
 649
 650 int
 651 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 652                 struct ether_addr *mac_addr)
 653 {
 654         struct rte_eth_dev *bonded_eth_dev;
 655         struct bond_dev_private *internals;
 656
 657         if (valid_bonded_port_id(bonded_port_id) != 0)
 658                 return -1;
 659
 660         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 661         internals = bonded_eth_dev->data->dev_private;
 662
 663         /* Set MAC Address of Bonded Device */
 664         if (mac_address_set(bonded_eth_dev, mac_addr))
 665                 return -1;
 666
 667         internals->user_defined_mac = 1;
 668
 669         /* Update all slave devices MACs*/
 670         if (internals->slave_count > 0)
 671                 return mac_address_slaves_update(bonded_eth_dev);
 672
 673         return 0;
 674 }
 675
 676 int
 677 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 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         internals->user_defined_mac = 0;
 689
 690         if (internals->slave_count > 0) {
 691                 /* Set MAC Address of Bonded Device */
 692                 if (mac_address_set(bonded_eth_dev,
 693                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 694                                 != 0) {
 695                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 696                         return -1;
 697                 }
 698                 /* Update all slave devices MAC addresses */
 699                 return mac_address_slaves_update(bonded_eth_dev);
 700         }
 701         /* No need to update anything as no slaves present */
 702         return 0;
 703 }
 704
 705 int
 706 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 707 {
 708         struct bond_dev_private *internals;
 709
 710         if (valid_bonded_port_id(bonded_port_id) != 0)
 711                 return -1;
 712
 713         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 714
 715         switch (policy) {
 716         case BALANCE_XMIT_POLICY_LAYER2:
 717         case BALANCE_XMIT_POLICY_LAYER23:
 718         case BALANCE_XMIT_POLICY_LAYER34:
 719                 internals->balance_xmit_policy = policy;
 720                 break;
 721
 722         default:
 723                 return -1;
 724         }
 725         return 0;
 726 }
 727
 728 int
 729 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 730 {
 731         struct bond_dev_private *internals;
 732
 733         if (valid_bonded_port_id(bonded_port_id) != 0)
 734                 return -1;
 735
 736         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 737
 738         return internals->balance_xmit_policy;
 739 }
 740
 741 int
 742 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 743 {
 744         struct bond_dev_private *internals;
 745
 746         if (valid_bonded_port_id(bonded_port_id) != 0)
 747                 return -1;
 748
 749         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 750         internals->link_status_polling_interval_ms = internal_ms;
 751
 752         return 0;
 753 }
 754
 755 int
 756 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 757 {
 758         struct bond_dev_private *internals;
 759
 760         if (valid_bonded_port_id(bonded_port_id) != 0)
 761                 return -1;
 762
 763         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 764
 765         return internals->link_status_polling_interval_ms;
 766 }
 767
 768 int
 769 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 770
 771 {
 772         struct bond_dev_private *internals;
 773
 774         if (valid_bonded_port_id(bonded_port_id) != 0)
 775                 return -1;
 776
 777         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 778         internals->link_down_delay_ms = delay_ms;
 779
 780         return 0;
 781 }
 782
 783 int
 784 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 785 {
 786         struct bond_dev_private *internals;
 787
 788         if (valid_bonded_port_id(bonded_port_id) != 0)
 789                 return -1;
 790
 791         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 792
 793         return internals->link_down_delay_ms;
 794 }
 795
 796 int
 797 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 798
 799 {
 800         struct bond_dev_private *internals;
 801
 802         if (valid_bonded_port_id(bonded_port_id) != 0)
 803                 return -1;
 804
 805         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 806         internals->link_up_delay_ms = delay_ms;
 807
 808         return 0;
 809 }
 810
 811 int
 812 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 813 {
 814         struct bond_dev_private *internals;
 815
 816         if (valid_bonded_port_id(bonded_port_id) != 0)
 817                 return -1;
 818
 819         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 820
 821         return internals->link_up_delay_ms;
 822 }