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         uint8_t active_count = internals->active_slave_count;
 115
 116         if (internals->mode == BONDING_MODE_8023AD)
 117                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
 118
 119         if (internals->mode == BONDING_MODE_TLB
 120                         || internals->mode == BONDING_MODE_ALB) {
 121
 122                 internals->tlb_slaves_order[active_count] = port_id;
 123         }
 124
 125         RTE_VERIFY(internals->active_slave_count <
 126                         (RTE_DIM(internals->active_slaves) - 1));
 127
 128         internals->active_slaves[internals->active_slave_count] = port_id;
 129         internals->active_slave_count++;
 130
 131         if (internals->mode == BONDING_MODE_TLB)
 132                 bond_tlb_activate_slave(internals);
 133         if (internals->mode == BONDING_MODE_ALB)
 134                 bond_mode_alb_client_list_upd(eth_dev);
 135 }
 136
 137 void
 138 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 139 {
 140         uint8_t slave_pos;
 141         struct bond_dev_private *internals = eth_dev->data->dev_private;
 142         uint8_t active_count = internals->active_slave_count;
 143
 144         if (internals->mode == BONDING_MODE_8023AD) {
 145                 bond_mode_8023ad_stop(eth_dev);
 146                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 147         } else if (internals->mode == BONDING_MODE_TLB
 148                         || internals->mode == BONDING_MODE_ALB)
 149                 bond_tlb_disable(internals);
 150
 151         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 152                         port_id);
 153
 154         /* If slave was not at the end of the list
 155          * shift active slaves up active array list */
 156         if (slave_pos < active_count) {
 157                 active_count--;
 158                 memmove(internals->active_slaves + slave_pos,
 159                                 internals->active_slaves + slave_pos + 1,
 160                                 (active_count - slave_pos) *
 161                                         sizeof(internals->active_slaves[0]));
 162         }
 163
 164         RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
 165         internals->active_slave_count = active_count;
 166
 167         if (eth_dev->data->dev_started) {
 168                 if (internals->mode == BONDING_MODE_8023AD) {
 169                         bond_mode_8023ad_start(eth_dev);
 170                 } else if (internals->mode == BONDING_MODE_TLB) {
 171                         bond_tlb_enable(internals);
 172                 } else if (internals->mode == BONDING_MODE_ALB) {
 173                         bond_tlb_enable(internals);
 174                         bond_mode_alb_client_list_upd(eth_dev);
 175                 }
 176         }
 177 }
 178
 179 uint8_t
 180 number_of_sockets(void)
 181 {
 182         int sockets = 0;
 183         int i;
 184         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 185
 186         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 187                 if (sockets < ms[i].socket_id)
 188                         sockets = ms[i].socket_id;
 189         }
 190
 191         /* Number of sockets = maximum socket_id + 1 */
 192         return ++sockets;
 193 }
 194
 195 const char *driver_name = "Link Bonding PMD";
 196
 197 int
 198 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 199 {
 200         struct rte_pci_device *pci_dev = NULL;
 201         struct bond_dev_private *internals = NULL;
 202         struct rte_eth_dev *eth_dev = NULL;
 203         struct eth_driver *eth_drv = NULL;
 204         struct rte_pci_driver *pci_drv = NULL;
 205         struct rte_pci_id *pci_id_table = NULL;
 206         /* now do all data allocation - for eth_dev structure, dummy pci driver
 207          * and internal (private) data
 208          */
 209
 210         if (name == NULL) {
 211                 RTE_BOND_LOG(ERR, "Invalid name specified");
 212                 goto err;
 213         }
 214
 215         if (socket_id >= number_of_sockets()) {
 216                 RTE_BOND_LOG(ERR,
 217                                 "Invalid socket id specified to create bonded device on.");
 218                 goto err;
 219         }
 220
 221         pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
 222         if (pci_dev == NULL) {
 223                 RTE_BOND_LOG(ERR, "Unable to malloc pci dev on socket");
 224                 goto err;
 225         }
 226
 227         eth_drv = rte_zmalloc_socket(name, sizeof(*eth_drv), 0, socket_id);
 228         if (eth_drv == NULL) {
 229                 RTE_BOND_LOG(ERR, "Unable to malloc eth_drv on socket");
 230                 goto err;
 231         }
 232
 233         pci_drv = &eth_drv->pci_drv;
 234
 235         pci_id_table = rte_zmalloc_socket(name, sizeof(*pci_id_table), 0, socket_id);
 236         if (pci_id_table == NULL) {
 237                 RTE_BOND_LOG(ERR, "Unable to malloc pci_id_table on socket");
 238                 goto err;
 239         }
 240
 241         pci_drv->id_table = pci_id_table;
 242
 243         pci_drv->id_table->device_id = PCI_ANY_ID;
 244         pci_drv->id_table->subsystem_device_id = PCI_ANY_ID;
 245         pci_drv->id_table->vendor_id = PCI_ANY_ID;
 246         pci_drv->id_table->subsystem_vendor_id = PCI_ANY_ID;
 247
 248         pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
 249
 250         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 251         if (internals == NULL) {
 252                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 253                 goto err;
 254         }
 255
 256         /* reserve an ethdev entry */
 257         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
 258         if (eth_dev == NULL) {
 259                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 260                 goto err;
 261         }
 262
 263         pci_dev->numa_node = socket_id;
 264         pci_drv->name = driver_name;
 265
 266         eth_dev->driver = eth_drv;
 267         eth_dev->data->dev_private = internals;
 268         eth_dev->data->nb_rx_queues = (uint16_t)1;
 269         eth_dev->data->nb_tx_queues = (uint16_t)1;
 270
 271         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 272
 273         eth_dev->data->dev_link.link_status = 0;
 274
 275         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 276                         socket_id);
 277
 278         eth_dev->data->dev_started = 0;
 279         eth_dev->data->promiscuous = 0;
 280         eth_dev->data->scattered_rx = 0;
 281         eth_dev->data->all_multicast = 0;
 282
 283         eth_dev->dev_ops = &default_dev_ops;
 284         eth_dev->pci_dev = pci_dev;
 285
 286         rte_spinlock_init(&internals->lock);
 287
 288         internals->port_id = eth_dev->data->port_id;
 289         internals->mode = BONDING_MODE_INVALID;
 290         internals->current_primary_port = 0;
 291         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 292         internals->xmit_hash = xmit_l2_hash;
 293         internals->user_defined_mac = 0;
 294         internals->link_props_set = 0;
 295
 296         internals->link_status_polling_enabled = 0;
 297
 298         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 299         internals->link_down_delay_ms = 0;
 300         internals->link_up_delay_ms = 0;
 301
 302         internals->slave_count = 0;
 303         internals->active_slave_count = 0;
 304         internals->rx_offload_capa = 0;
 305         internals->tx_offload_capa = 0;
 306
 307         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 308         memset(internals->slaves, 0, sizeof(internals->slaves));
 309
 310         /* Set mode 4 default configuration */
 311         bond_mode_8023ad_setup(eth_dev, NULL);
 312         if (bond_ethdev_mode_set(eth_dev, mode)) {
 313                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 314                                  eth_dev->data->port_id, mode);
 315                 goto err;
 316         }
 317
 318         return eth_dev->data->port_id;
 319
 320 err:
 321         rte_free(pci_dev);
 322         rte_free(pci_id_table);
 323         rte_free(eth_drv);
 324         rte_free(internals);
 325
 326         return -1;
 327 }
 328
 329 static int
 330 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 331 {
 332         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 333         struct bond_dev_private *internals;
 334         struct bond_dev_private *temp_internals;
 335         struct rte_eth_link link_props;
 336         struct rte_eth_dev_info dev_info;
 337
 338         int i, j;
 339
 340         if (valid_slave_port_id(slave_port_id) != 0)
 341                 return -1;
 342
 343         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 344         internals = bonded_eth_dev->data->dev_private;
 345
 346         /* Verify that new slave device is not already a slave of another
 347          * bonded device */
 348         for (i = rte_eth_dev_count()-1; i >= 0; i--) {
 349                 if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
 350                         temp_internals = rte_eth_devices[i].data->dev_private;
 351
 352                         for (j = 0; j < temp_internals->slave_count; j++) {
 353                                 /* Device already a slave of a bonded device */
 354                                 if (temp_internals->slaves[j].port_id == slave_port_id) {
 355                                         RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
 356                                                         slave_port_id);
 357                                         return -1;
 358                                 }
 359                         }
 360                 }
 361         }
 362
 363         slave_eth_dev = &rte_eth_devices[slave_port_id];
 364
 365         /* Add slave details to bonded device */
 366         slave_add(internals, slave_eth_dev);
 367
 368         memset(&dev_info, 0, sizeof(dev_info));
 369         rte_eth_dev_info_get(slave_port_id, &dev_info);
 370
 371         if (internals->slave_count < 1) {
 372                 /* if MAC is not user defined then use MAC of first slave add to
 373                  * bonded device */
 374                 if (!internals->user_defined_mac)
 375                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 376
 377                 /* Inherit eth dev link properties from first slave */
 378                 link_properties_set(bonded_eth_dev,
 379                                 &(slave_eth_dev->data->dev_link));
 380
 381                 /* Make primary slave */
 382                 internals->primary_port = slave_port_id;
 383
 384                 /* Take the first dev's offload capabilities */
 385                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 386                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 387
 388         } else {
 389                 /* Check slave link properties are supported if props are set,
 390                  * all slaves must be the same */
 391                 if (internals->link_props_set) {
 392                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 393                                                                           &(slave_eth_dev->data->dev_link))) {
 394                                 RTE_BOND_LOG(ERR,
 395                                                 "Slave port %d link speed/duplex not supported",
 396                                                 slave_port_id);
 397                                 return -1;
 398                         }
 399                 } else {
 400                         link_properties_set(bonded_eth_dev,
 401                                         &(slave_eth_dev->data->dev_link));
 402                 }
 403                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 404                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 405         }
 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         }
 534         return 0;
 535 }
 536
 537 int
 538 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 539 {
 540         struct rte_eth_dev *bonded_eth_dev;
 541         struct bond_dev_private *internals;
 542         int retval;
 543
 544         if (valid_bonded_port_id(bonded_port_id) != 0)
 545                 return -1;
 546
 547         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 548         internals = bonded_eth_dev->data->dev_private;
 549
 550         rte_spinlock_lock(&internals->lock);
 551
 552         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 553
 554         rte_spinlock_unlock(&internals->lock);
 555
 556         return retval;
 557 }
 558
 559 int
 560 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 561 {
 562         if (valid_bonded_port_id(bonded_port_id) != 0)
 563                 return -1;
 564
 565         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 566 }
 567
 568 int
 569 rte_eth_bond_mode_get(uint8_t bonded_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         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 577
 578         return internals->mode;
 579 }
 580
 581 int
 582 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 583 {
 584         struct bond_dev_private *internals;
 585
 586         if (valid_bonded_port_id(bonded_port_id) != 0)
 587                 return -1;
 588
 589         if (valid_slave_port_id(slave_port_id) != 0)
 590                 return -1;
 591
 592         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 593
 594         internals->user_defined_primary_port = 1;
 595         internals->primary_port = slave_port_id;
 596
 597         bond_ethdev_primary_set(internals, slave_port_id);
 598
 599         return 0;
 600 }
 601
 602 int
 603 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 604 {
 605         struct bond_dev_private *internals;
 606
 607         if (valid_bonded_port_id(bonded_port_id) != 0)
 608                 return -1;
 609
 610         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 611
 612         if (internals->slave_count < 1)
 613                 return -1;
 614
 615         return internals->current_primary_port;
 616 }
 617
 618 int
 619 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 620 {
 621         struct bond_dev_private *internals;
 622         uint8_t i;
 623
 624         if (valid_bonded_port_id(bonded_port_id) != 0)
 625                 return -1;
 626
 627         if (slaves == NULL)
 628                 return -1;
 629
 630         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 631
 632         if (internals->slave_count > len)
 633                 return -1;
 634
 635         for (i = 0; i < internals->slave_count; i++)
 636                 slaves[i] = internals->slaves[i].port_id;
 637
 638         return internals->slave_count;
 639 }
 640
 641 int
 642 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 643                 uint8_t len)
 644 {
 645         struct bond_dev_private *internals;
 646
 647         if (valid_bonded_port_id(bonded_port_id) != 0)
 648                 return -1;
 649
 650         if (slaves == NULL)
 651                 return -1;
 652
 653         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 654
 655         if (internals->active_slave_count > len)
 656                 return -1;
 657
 658         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 659
 660         return internals->active_slave_count;
 661 }
 662
 663 int
 664 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 665                 struct ether_addr *mac_addr)
 666 {
 667         struct rte_eth_dev *bonded_eth_dev;
 668         struct bond_dev_private *internals;
 669
 670         if (valid_bonded_port_id(bonded_port_id) != 0)
 671                 return -1;
 672
 673         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 674         internals = bonded_eth_dev->data->dev_private;
 675
 676         /* Set MAC Address of Bonded Device */
 677         if (mac_address_set(bonded_eth_dev, mac_addr))
 678                 return -1;
 679
 680         internals->user_defined_mac = 1;
 681
 682         /* Update all slave devices MACs*/
 683         if (internals->slave_count > 0)
 684                 return mac_address_slaves_update(bonded_eth_dev);
 685
 686         return 0;
 687 }
 688
 689 int
 690 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 691 {
 692         struct rte_eth_dev *bonded_eth_dev;
 693         struct bond_dev_private *internals;
 694
 695         if (valid_bonded_port_id(bonded_port_id) != 0)
 696                 return -1;
 697
 698         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 699         internals = bonded_eth_dev->data->dev_private;
 700
 701         internals->user_defined_mac = 0;
 702
 703         if (internals->slave_count > 0) {
 704                 /* Set MAC Address of Bonded Device */
 705                 if (mac_address_set(bonded_eth_dev,
 706                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 707                                 != 0) {
 708                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 709                         return -1;
 710                 }
 711                 /* Update all slave devices MAC addresses */
 712                 return mac_address_slaves_update(bonded_eth_dev);
 713         }
 714         /* No need to update anything as no slaves present */
 715         return 0;
 716 }
 717
 718 int
 719 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 720 {
 721         struct bond_dev_private *internals;
 722
 723         if (valid_bonded_port_id(bonded_port_id) != 0)
 724                 return -1;
 725
 726         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 727
 728         switch (policy) {
 729         case BALANCE_XMIT_POLICY_LAYER2:
 730                 internals->balance_xmit_policy = policy;
 731                 internals->xmit_hash = xmit_l2_hash;
 732                 break;
 733         case BALANCE_XMIT_POLICY_LAYER23:
 734                 internals->balance_xmit_policy = policy;
 735                 internals->xmit_hash = xmit_l23_hash;
 736                 break;
 737         case BALANCE_XMIT_POLICY_LAYER34:
 738                 internals->balance_xmit_policy = policy;
 739                 internals->xmit_hash = xmit_l34_hash;
 740                 break;
 741
 742         default:
 743                 return -1;
 744         }
 745         return 0;
 746 }
 747
 748 int
 749 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 750 {
 751         struct bond_dev_private *internals;
 752
 753         if (valid_bonded_port_id(bonded_port_id) != 0)
 754                 return -1;
 755
 756         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 757
 758         return internals->balance_xmit_policy;
 759 }
 760
 761 int
 762 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 763 {
 764         struct bond_dev_private *internals;
 765
 766         if (valid_bonded_port_id(bonded_port_id) != 0)
 767                 return -1;
 768
 769         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 770         internals->link_status_polling_interval_ms = internal_ms;
 771
 772         return 0;
 773 }
 774
 775 int
 776 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 777 {
 778         struct bond_dev_private *internals;
 779
 780         if (valid_bonded_port_id(bonded_port_id) != 0)
 781                 return -1;
 782
 783         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 784
 785         return internals->link_status_polling_interval_ms;
 786 }
 787
 788 int
 789 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 790
 791 {
 792         struct bond_dev_private *internals;
 793
 794         if (valid_bonded_port_id(bonded_port_id) != 0)
 795                 return -1;
 796
 797         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 798         internals->link_down_delay_ms = delay_ms;
 799
 800         return 0;
 801 }
 802
 803 int
 804 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 805 {
 806         struct bond_dev_private *internals;
 807
 808         if (valid_bonded_port_id(bonded_port_id) != 0)
 809                 return -1;
 810
 811         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 812
 813         return internals->link_down_delay_ms;
 814 }
 815
 816 int
 817 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 818
 819 {
 820         struct bond_dev_private *internals;
 821
 822         if (valid_bonded_port_id(bonded_port_id) != 0)
 823                 return -1;
 824
 825         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 826         internals->link_up_delay_ms = delay_ms;
 827
 828         return 0;
 829 }
 830
 831 int
 832 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 833 {
 834         struct bond_dev_private *internals;
 835
 836         if (valid_bonded_port_id(bonded_port_id) != 0)
 837                 return -1;
 838
 839         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 840
 841         return internals->link_up_delay_ms;
 842 }