drivers/net/bonding/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         pci_id_table->device_id = PCI_ANY_ID;
 241         pci_id_table->subsystem_device_id = PCI_ANY_ID;
 242         pci_id_table->vendor_id = PCI_ANY_ID;
 243         pci_id_table->subsystem_vendor_id = PCI_ANY_ID;
 244
 245         pci_drv->id_table = pci_id_table;
 246         pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
 247
 248         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 249         if (internals == NULL) {
 250                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 251                 goto err;
 252         }
 253
 254         /* reserve an ethdev entry */
 255         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
 256         if (eth_dev == NULL) {
 257                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 258                 goto err;
 259         }
 260
 261         pci_dev->numa_node = socket_id;
 262         pci_drv->name = driver_name;
 263
 264         eth_dev->driver = eth_drv;
 265         eth_dev->data->dev_private = internals;
 266         eth_dev->data->nb_rx_queues = (uint16_t)1;
 267         eth_dev->data->nb_tx_queues = (uint16_t)1;
 268
 269         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 270
 271         eth_dev->data->dev_link.link_status = 0;
 272
 273         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 274                         socket_id);
 275
 276         eth_dev->data->dev_started = 0;
 277         eth_dev->data->promiscuous = 0;
 278         eth_dev->data->scattered_rx = 0;
 279         eth_dev->data->all_multicast = 0;
 280
 281         eth_dev->dev_ops = &default_dev_ops;
 282         eth_dev->pci_dev = pci_dev;
 283
 284         rte_spinlock_init(&internals->lock);
 285
 286         internals->port_id = eth_dev->data->port_id;
 287         internals->mode = BONDING_MODE_INVALID;
 288         internals->current_primary_port = 0;
 289         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 290         internals->xmit_hash = xmit_l2_hash;
 291         internals->user_defined_mac = 0;
 292         internals->link_props_set = 0;
 293
 294         internals->link_status_polling_enabled = 0;
 295
 296         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 297         internals->link_down_delay_ms = 0;
 298         internals->link_up_delay_ms = 0;
 299
 300         internals->slave_count = 0;
 301         internals->active_slave_count = 0;
 302         internals->rx_offload_capa = 0;
 303         internals->tx_offload_capa = 0;
 304
 305         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 306         memset(internals->slaves, 0, sizeof(internals->slaves));
 307
 308         /* Set mode 4 default configuration */
 309         bond_mode_8023ad_setup(eth_dev, NULL);
 310         if (bond_ethdev_mode_set(eth_dev, mode)) {
 311                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 312                                  eth_dev->data->port_id, mode);
 313                 goto err;
 314         }
 315
 316         return eth_dev->data->port_id;
 317
 318 err:
 319         rte_free(pci_dev);
 320         rte_free(pci_id_table);
 321         rte_free(eth_drv);
 322         rte_free(internals);
 323
 324         return -1;
 325 }
 326
 327 static int
 328 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 329 {
 330         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 331         struct bond_dev_private *internals;
 332         struct bond_dev_private *temp_internals;
 333         struct rte_eth_link link_props;
 334         struct rte_eth_dev_info dev_info;
 335
 336         int i, j;
 337
 338         if (valid_slave_port_id(slave_port_id) != 0)
 339                 return -1;
 340
 341         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 342         internals = bonded_eth_dev->data->dev_private;
 343
 344         /* Verify that new slave device is not already a slave of another
 345          * bonded device */
 346         for (i = rte_eth_dev_count()-1; i >= 0; i--) {
 347                 if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
 348                         temp_internals = rte_eth_devices[i].data->dev_private;
 349
 350                         for (j = 0; j < temp_internals->slave_count; j++) {
 351                                 /* Device already a slave of a bonded device */
 352                                 if (temp_internals->slaves[j].port_id == slave_port_id) {
 353                                         RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
 354                                                         slave_port_id);
 355                                         return -1;
 356                                 }
 357                         }
 358                 }
 359         }
 360
 361         slave_eth_dev = &rte_eth_devices[slave_port_id];
 362
 363         /* Add slave details to bonded device */
 364         slave_add(internals, slave_eth_dev);
 365
 366         rte_eth_dev_info_get(slave_port_id, &dev_info);
 367
 368         if (internals->slave_count < 1) {
 369                 /* if MAC is not user defined then use MAC of first slave add to
 370                  * bonded device */
 371                 if (!internals->user_defined_mac)
 372                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 373
 374                 /* Inherit eth dev link properties from first slave */
 375                 link_properties_set(bonded_eth_dev,
 376                                 &(slave_eth_dev->data->dev_link));
 377
 378                 /* Make primary slave */
 379                 internals->primary_port = slave_port_id;
 380
 381                 /* Take the first dev's offload capabilities */
 382                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 383                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 384
 385         } else {
 386                 /* Check slave link properties are supported if props are set,
 387                  * all slaves must be the same */
 388                 if (internals->link_props_set) {
 389                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 390                                                                           &(slave_eth_dev->data->dev_link))) {
 391                                 RTE_BOND_LOG(ERR,
 392                                                 "Slave port %d link speed/duplex not supported",
 393                                                 slave_port_id);
 394                                 return -1;
 395                         }
 396                 } else {
 397                         link_properties_set(bonded_eth_dev,
 398                                         &(slave_eth_dev->data->dev_link));
 399                 }
 400                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 401                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 402         }
 403
 404         internals->slave_count++;
 405
 406         /* Update all slave devices MACs*/
 407         mac_address_slaves_update(bonded_eth_dev);
 408
 409         if (bonded_eth_dev->data->dev_started) {
 410                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 411                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 412                                         slave_port_id);
 413                         return -1;
 414                 }
 415         }
 416
 417         /* Register link status change callback with bonded device pointer as
 418          * argument*/
 419         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 420                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 421
 422         /* If bonded device is started then we can add the slave to our active
 423          * slave array */
 424         if (bonded_eth_dev->data->dev_started) {
 425                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 426
 427                  if (link_props.link_status == 1)
 428                         activate_slave(bonded_eth_dev, slave_port_id);
 429         }
 430         return 0;
 431
 432 }
 433
 434 int
 435 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 436 {
 437         struct rte_eth_dev *bonded_eth_dev;
 438         struct bond_dev_private *internals;
 439
 440         int retval;
 441
 442         /* Verify that port id's are valid bonded and slave ports */
 443         if (valid_bonded_port_id(bonded_port_id) != 0)
 444                 return -1;
 445
 446         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 447         internals = bonded_eth_dev->data->dev_private;
 448
 449         rte_spinlock_lock(&internals->lock);
 450
 451         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 452
 453         rte_spinlock_unlock(&internals->lock);
 454
 455         return retval;
 456 }
 457
 458 static int
 459 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 460 {
 461         struct rte_eth_dev *bonded_eth_dev;
 462         struct bond_dev_private *internals;
 463
 464         int i, slave_idx;
 465
 466         if (valid_slave_port_id(slave_port_id) != 0)
 467                 return -1;
 468
 469         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 470         internals = bonded_eth_dev->data->dev_private;
 471
 472         /* first remove from active slave list */
 473         slave_idx = find_slave_by_id(internals->active_slaves,
 474                 internals->active_slave_count, slave_port_id);
 475
 476         if (slave_idx < internals->active_slave_count)
 477                 deactivate_slave(bonded_eth_dev, slave_port_id);
 478
 479         slave_idx = -1;
 480         /* now find in slave list */
 481         for (i = 0; i < internals->slave_count; i++)
 482                 if (internals->slaves[i].port_id == slave_port_id) {
 483                         slave_idx = i;
 484                         break;
 485                 }
 486
 487         if (slave_idx < 0) {
 488                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 489                                 internals->slave_count);
 490                 return -1;
 491         }
 492
 493         /* Un-register link status change callback with bonded device pointer as
 494          * argument*/
 495         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 496                         bond_ethdev_lsc_event_callback,
 497                         &rte_eth_devices[bonded_port_id].data->port_id);
 498
 499         /* Restore original MAC address of slave device */
 500         mac_address_set(&rte_eth_devices[slave_port_id],
 501                         &(internals->slaves[slave_idx].persisted_mac_addr));
 502
 503         slave_remove(internals, &rte_eth_devices[slave_port_id]);
 504
 505         /*  first slave in the active list will be the primary by default,
 506          *  otherwise use first device in list */
 507         if (internals->current_primary_port == slave_port_id) {
 508                 if (internals->active_slave_count > 0)
 509                         internals->current_primary_port = internals->active_slaves[0];
 510                 else if (internals->slave_count > 0)
 511                         internals->current_primary_port = internals->slaves[0].port_id;
 512                 else
 513                         internals->primary_port = 0;
 514         }
 515
 516         if (internals->active_slave_count < 1) {
 517                 /* reset device link properties as no slaves are active */
 518                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 519
 520                 /* if no slaves are any longer attached to bonded device and MAC is not
 521                  * user defined then clear MAC of bonded device as it will be reset
 522                  * when a new slave is added */
 523                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 524                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 525                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 526         }
 527         if (internals->slave_count == 0) {
 528                 internals->rx_offload_capa = 0;
 529                 internals->tx_offload_capa = 0;
 530         }
 531         return 0;
 532 }
 533
 534 int
 535 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 536 {
 537         struct rte_eth_dev *bonded_eth_dev;
 538         struct bond_dev_private *internals;
 539         int retval;
 540
 541         if (valid_bonded_port_id(bonded_port_id) != 0)
 542                 return -1;
 543
 544         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 545         internals = bonded_eth_dev->data->dev_private;
 546
 547         rte_spinlock_lock(&internals->lock);
 548
 549         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 550
 551         rte_spinlock_unlock(&internals->lock);
 552
 553         return retval;
 554 }
 555
 556 int
 557 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 558 {
 559         if (valid_bonded_port_id(bonded_port_id) != 0)
 560                 return -1;
 561
 562         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 563 }
 564
 565 int
 566 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 567 {
 568         struct bond_dev_private *internals;
 569
 570         if (valid_bonded_port_id(bonded_port_id) != 0)
 571                 return -1;
 572
 573         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 574
 575         return internals->mode;
 576 }
 577
 578 int
 579 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 580 {
 581         struct bond_dev_private *internals;
 582
 583         if (valid_bonded_port_id(bonded_port_id) != 0)
 584                 return -1;
 585
 586         if (valid_slave_port_id(slave_port_id) != 0)
 587                 return -1;
 588
 589         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 590
 591         internals->user_defined_primary_port = 1;
 592         internals->primary_port = slave_port_id;
 593
 594         bond_ethdev_primary_set(internals, slave_port_id);
 595
 596         return 0;
 597 }
 598
 599 int
 600 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 601 {
 602         struct bond_dev_private *internals;
 603
 604         if (valid_bonded_port_id(bonded_port_id) != 0)
 605                 return -1;
 606
 607         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 608
 609         if (internals->slave_count < 1)
 610                 return -1;
 611
 612         return internals->current_primary_port;
 613 }
 614
 615 int
 616 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 617 {
 618         struct bond_dev_private *internals;
 619         uint8_t i;
 620
 621         if (valid_bonded_port_id(bonded_port_id) != 0)
 622                 return -1;
 623
 624         if (slaves == NULL)
 625                 return -1;
 626
 627         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 628
 629         if (internals->slave_count > len)
 630                 return -1;
 631
 632         for (i = 0; i < internals->slave_count; i++)
 633                 slaves[i] = internals->slaves[i].port_id;
 634
 635         return internals->slave_count;
 636 }
 637
 638 int
 639 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 640                 uint8_t len)
 641 {
 642         struct bond_dev_private *internals;
 643
 644         if (valid_bonded_port_id(bonded_port_id) != 0)
 645                 return -1;
 646
 647         if (slaves == NULL)
 648                 return -1;
 649
 650         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 651
 652         if (internals->active_slave_count > len)
 653                 return -1;
 654
 655         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 656
 657         return internals->active_slave_count;
 658 }
 659
 660 int
 661 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 662                 struct ether_addr *mac_addr)
 663 {
 664         struct rte_eth_dev *bonded_eth_dev;
 665         struct bond_dev_private *internals;
 666
 667         if (valid_bonded_port_id(bonded_port_id) != 0)
 668                 return -1;
 669
 670         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 671         internals = bonded_eth_dev->data->dev_private;
 672
 673         /* Set MAC Address of Bonded Device */
 674         if (mac_address_set(bonded_eth_dev, mac_addr))
 675                 return -1;
 676
 677         internals->user_defined_mac = 1;
 678
 679         /* Update all slave devices MACs*/
 680         if (internals->slave_count > 0)
 681                 return mac_address_slaves_update(bonded_eth_dev);
 682
 683         return 0;
 684 }
 685
 686 int
 687 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 688 {
 689         struct rte_eth_dev *bonded_eth_dev;
 690         struct bond_dev_private *internals;
 691
 692         if (valid_bonded_port_id(bonded_port_id) != 0)
 693                 return -1;
 694
 695         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 696         internals = bonded_eth_dev->data->dev_private;
 697
 698         internals->user_defined_mac = 0;
 699
 700         if (internals->slave_count > 0) {
 701                 /* Set MAC Address of Bonded Device */
 702                 if (mac_address_set(bonded_eth_dev,
 703                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 704                                 != 0) {
 705                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 706                         return -1;
 707                 }
 708                 /* Update all slave devices MAC addresses */
 709                 return mac_address_slaves_update(bonded_eth_dev);
 710         }
 711         /* No need to update anything as no slaves present */
 712         return 0;
 713 }
 714
 715 int
 716 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 717 {
 718         struct bond_dev_private *internals;
 719
 720         if (valid_bonded_port_id(bonded_port_id) != 0)
 721                 return -1;
 722
 723         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 724
 725         switch (policy) {
 726         case BALANCE_XMIT_POLICY_LAYER2:
 727                 internals->balance_xmit_policy = policy;
 728                 internals->xmit_hash = xmit_l2_hash;
 729                 break;
 730         case BALANCE_XMIT_POLICY_LAYER23:
 731                 internals->balance_xmit_policy = policy;
 732                 internals->xmit_hash = xmit_l23_hash;
 733                 break;
 734         case BALANCE_XMIT_POLICY_LAYER34:
 735                 internals->balance_xmit_policy = policy;
 736                 internals->xmit_hash = xmit_l34_hash;
 737                 break;
 738
 739         default:
 740                 return -1;
 741         }
 742         return 0;
 743 }
 744
 745 int
 746 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 747 {
 748         struct bond_dev_private *internals;
 749
 750         if (valid_bonded_port_id(bonded_port_id) != 0)
 751                 return -1;
 752
 753         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 754
 755         return internals->balance_xmit_policy;
 756 }
 757
 758 int
 759 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 760 {
 761         struct bond_dev_private *internals;
 762
 763         if (valid_bonded_port_id(bonded_port_id) != 0)
 764                 return -1;
 765
 766         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 767         internals->link_status_polling_interval_ms = internal_ms;
 768
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 774 {
 775         struct bond_dev_private *internals;
 776
 777         if (valid_bonded_port_id(bonded_port_id) != 0)
 778                 return -1;
 779
 780         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 781
 782         return internals->link_status_polling_interval_ms;
 783 }
 784
 785 int
 786 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 787
 788 {
 789         struct bond_dev_private *internals;
 790
 791         if (valid_bonded_port_id(bonded_port_id) != 0)
 792                 return -1;
 793
 794         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 795         internals->link_down_delay_ms = delay_ms;
 796
 797         return 0;
 798 }
 799
 800 int
 801 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 802 {
 803         struct bond_dev_private *internals;
 804
 805         if (valid_bonded_port_id(bonded_port_id) != 0)
 806                 return -1;
 807
 808         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 809
 810         return internals->link_down_delay_ms;
 811 }
 812
 813 int
 814 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 815
 816 {
 817         struct bond_dev_private *internals;
 818
 819         if (valid_bonded_port_id(bonded_port_id) != 0)
 820                 return -1;
 821
 822         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 823         internals->link_up_delay_ms = delay_ms;
 824
 825         return 0;
 826 }
 827
 828 int
 829 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 830 {
 831         struct bond_dev_private *internals;
 832
 833         if (valid_bonded_port_id(bonded_port_id) != 0)
 834                 return -1;
 835
 836         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 837
 838         return internals->link_up_delay_ms;
 839 }