drivers/net/bonding/rte_eth_bond_api.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <string.h>
  35
  36 #include <rte_mbuf.h>
  37 #include <rte_malloc.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_tcp.h>
  40
  41 #include "rte_eth_bond.h"
  42 #include "rte_eth_bond_private.h"
  43 #include "rte_eth_bond_8023ad_private.h"
  44
  45 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
  46
  47 const char pmd_bond_driver_name[] = "rte_bond_pmd";
  48
  49 int
  50 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  51 {
  52         /* Check valid pointer */
  53         if (eth_dev->data->drv_name == NULL)
  54                 return -1;
  55
  56         /* return 0 if driver name matches */
  57         return eth_dev->data->drv_name != pmd_bond_driver_name;
  58 }
  59
  60 int
  61 valid_bonded_port_id(uint8_t port_id)
  62 {
  63         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  64         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
  65 }
  66
  67 int
  68 valid_slave_port_id(uint8_t port_id)
  69 {
  70         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  71
  72         /* Verify that port_id refers to a non bonded port */
  73         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
  74                 return -1;
  75
  76         return 0;
  77 }
  78
  79 void
  80 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
  81 {
  82         struct bond_dev_private *internals = eth_dev->data->dev_private;
  83         uint8_t active_count = internals->active_slave_count;
  84
  85         if (internals->mode == BONDING_MODE_8023AD)
  86                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
  87
  88         if (internals->mode == BONDING_MODE_TLB
  89                         || internals->mode == BONDING_MODE_ALB) {
  90
  91                 internals->tlb_slaves_order[active_count] = port_id;
  92         }
  93
  94         RTE_ASSERT(internals->active_slave_count <
  95                         (RTE_DIM(internals->active_slaves) - 1));
  96
  97         internals->active_slaves[internals->active_slave_count] = port_id;
  98         internals->active_slave_count++;
  99
 100         if (internals->mode == BONDING_MODE_TLB)
 101                 bond_tlb_activate_slave(internals);
 102         if (internals->mode == BONDING_MODE_ALB)
 103                 bond_mode_alb_client_list_upd(eth_dev);
 104 }
 105
 106 void
 107 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 108 {
 109         uint8_t slave_pos;
 110         struct bond_dev_private *internals = eth_dev->data->dev_private;
 111         uint8_t active_count = internals->active_slave_count;
 112
 113         if (internals->mode == BONDING_MODE_8023AD) {
 114                 bond_mode_8023ad_stop(eth_dev);
 115                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 116         } else if (internals->mode == BONDING_MODE_TLB
 117                         || internals->mode == BONDING_MODE_ALB)
 118                 bond_tlb_disable(internals);
 119
 120         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 121                         port_id);
 122
 123         /* If slave was not at the end of the list
 124          * shift active slaves up active array list */
 125         if (slave_pos < active_count) {
 126                 active_count--;
 127                 memmove(internals->active_slaves + slave_pos,
 128                                 internals->active_slaves + slave_pos + 1,
 129                                 (active_count - slave_pos) *
 130                                         sizeof(internals->active_slaves[0]));
 131         }
 132
 133         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
 134         internals->active_slave_count = active_count;
 135
 136         if (eth_dev->data->dev_started) {
 137                 if (internals->mode == BONDING_MODE_8023AD) {
 138                         bond_mode_8023ad_start(eth_dev);
 139                 } else if (internals->mode == BONDING_MODE_TLB) {
 140                         bond_tlb_enable(internals);
 141                 } else if (internals->mode == BONDING_MODE_ALB) {
 142                         bond_tlb_enable(internals);
 143                         bond_mode_alb_client_list_upd(eth_dev);
 144                 }
 145         }
 146 }
 147
 148 uint8_t
 149 number_of_sockets(void)
 150 {
 151         int sockets = 0;
 152         int i;
 153         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 154
 155         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 156                 if (sockets < ms[i].socket_id)
 157                         sockets = ms[i].socket_id;
 158         }
 159
 160         /* Number of sockets = maximum socket_id + 1 */
 161         return ++sockets;
 162 }
 163
 164 int
 165 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 166 {
 167         struct bond_dev_private *internals = NULL;
 168         struct rte_eth_dev *eth_dev = NULL;
 169         uint32_t vlan_filter_bmp_size;
 170
 171         /* now do all data allocation - for eth_dev structure, dummy pci driver
 172          * and internal (private) data
 173          */
 174
 175         if (name == NULL) {
 176                 RTE_BOND_LOG(ERR, "Invalid name specified");
 177                 goto err;
 178         }
 179
 180         if (socket_id >= number_of_sockets()) {
 181                 RTE_BOND_LOG(ERR,
 182                                 "Invalid socket id specified to create bonded device on.");
 183                 goto err;
 184         }
 185
 186         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 187         if (internals == NULL) {
 188                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 189                 goto err;
 190         }
 191
 192         /* reserve an ethdev entry */
 193         eth_dev = rte_eth_dev_allocate(name);
 194         if (eth_dev == NULL) {
 195                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 196                 goto err;
 197         }
 198
 199         eth_dev->data->dev_private = internals;
 200         eth_dev->data->nb_rx_queues = (uint16_t)1;
 201         eth_dev->data->nb_tx_queues = (uint16_t)1;
 202
 203         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 204                         socket_id);
 205         if (eth_dev->data->mac_addrs == NULL) {
 206                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
 207                 goto err;
 208         }
 209
 210         eth_dev->dev_ops = &default_dev_ops;
 211         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
 212                 RTE_ETH_DEV_DETACHABLE;
 213         eth_dev->driver = NULL;
 214         eth_dev->data->kdrv = RTE_KDRV_NONE;
 215         eth_dev->data->drv_name = pmd_bond_driver_name;
 216         eth_dev->data->numa_node =  socket_id;
 217
 218         rte_spinlock_init(&internals->lock);
 219
 220         internals->port_id = eth_dev->data->port_id;
 221         internals->mode = BONDING_MODE_INVALID;
 222         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
 223         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 224         internals->xmit_hash = xmit_l2_hash;
 225         internals->user_defined_mac = 0;
 226         internals->link_props_set = 0;
 227
 228         internals->link_status_polling_enabled = 0;
 229
 230         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 231         internals->link_down_delay_ms = 0;
 232         internals->link_up_delay_ms = 0;
 233
 234         internals->slave_count = 0;
 235         internals->active_slave_count = 0;
 236         internals->rx_offload_capa = 0;
 237         internals->tx_offload_capa = 0;
 238         internals->candidate_max_rx_pktlen = 0;
 239         internals->max_rx_pktlen = 0;
 240
 241         /* Initially allow to choose any offload type */
 242         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 243
 244         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 245         memset(internals->slaves, 0, sizeof(internals->slaves));
 246
 247         /* Set mode 4 default configuration */
 248         bond_mode_8023ad_setup(eth_dev, NULL);
 249         if (bond_ethdev_mode_set(eth_dev, mode)) {
 250                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 251                                  eth_dev->data->port_id, mode);
 252                 goto err;
 253         }
 254
 255         vlan_filter_bmp_size =
 256                 rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
 257         internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
 258                                                    RTE_CACHE_LINE_SIZE);
 259         if (internals->vlan_filter_bmpmem == NULL) {
 260                 RTE_BOND_LOG(ERR,
 261                              "Failed to allocate vlan bitmap for bonded device %u\n",
 262                              eth_dev->data->port_id);
 263                 goto err;
 264         }
 265
 266         internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
 267                         internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
 268         if (internals->vlan_filter_bmp == NULL) {
 269                 RTE_BOND_LOG(ERR,
 270                              "Failed to init vlan bitmap for bonded device %u\n",
 271                              eth_dev->data->port_id);
 272                 rte_free(internals->vlan_filter_bmpmem);
 273                 goto err;
 274         }
 275
 276         return eth_dev->data->port_id;
 277
 278 err:
 279         rte_free(internals);
 280         if (eth_dev != NULL) {
 281                 rte_free(eth_dev->data->mac_addrs);
 282                 rte_eth_dev_release_port(eth_dev);
 283         }
 284         return -1;
 285 }
 286
 287 int
 288 rte_eth_bond_free(const char *name)
 289 {
 290         struct rte_eth_dev *eth_dev = NULL;
 291         struct bond_dev_private *internals;
 292
 293         /* now free all data allocation - for eth_dev structure,
 294          * dummy pci driver and internal (private) data
 295          */
 296
 297         /* find an ethdev entry */
 298         eth_dev = rte_eth_dev_allocated(name);
 299         if (eth_dev == NULL)
 300                 return -ENODEV;
 301
 302         internals = eth_dev->data->dev_private;
 303         if (internals->slave_count != 0)
 304                 return -EBUSY;
 305
 306         if (eth_dev->data->dev_started == 1) {
 307                 bond_ethdev_stop(eth_dev);
 308                 bond_ethdev_close(eth_dev);
 309         }
 310
 311         eth_dev->dev_ops = NULL;
 312         eth_dev->rx_pkt_burst = NULL;
 313         eth_dev->tx_pkt_burst = NULL;
 314
 315         internals = eth_dev->data->dev_private;
 316         rte_bitmap_free(internals->vlan_filter_bmp);
 317         rte_free(internals->vlan_filter_bmpmem);
 318         rte_free(eth_dev->data->dev_private);
 319         rte_free(eth_dev->data->mac_addrs);
 320
 321         rte_eth_dev_release_port(eth_dev);
 322
 323         return 0;
 324 }
 325
 326 static int
 327 slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 328 {
 329         struct rte_eth_dev *bonded_eth_dev;
 330         struct bond_dev_private *internals;
 331         int found;
 332         int res = 0;
 333         uint64_t slab = 0;
 334         uint32_t pos = 0;
 335         uint16_t first;
 336
 337         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 338         if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
 339                 return 0;
 340
 341         internals = bonded_eth_dev->data->dev_private;
 342         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 343         first = pos;
 344
 345         if (!found)
 346                 return 0;
 347
 348         do {
 349                 uint32_t i;
 350                 uint64_t mask;
 351
 352                 for (i = 0, mask = 1;
 353                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 354                      i ++, mask <<= 1) {
 355                         if (unlikely(slab & mask))
 356                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 357                                                               (uint16_t)pos, 1);
 358                 }
 359                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 360                                         &pos, &slab);
 361         } while (found && first != pos && res == 0);
 362
 363         return res;
 364 }
 365
 366 static int
 367 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 368 {
 369         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 370         struct bond_dev_private *internals;
 371         struct rte_eth_link link_props;
 372         struct rte_eth_dev_info dev_info;
 373
 374         if (valid_slave_port_id(slave_port_id) != 0)
 375                 return -1;
 376
 377         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 378         internals = bonded_eth_dev->data->dev_private;
 379
 380         slave_eth_dev = &rte_eth_devices[slave_port_id];
 381         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 382                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 383                 return -1;
 384         }
 385
 386         /* Add slave details to bonded device */
 387         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 388
 389         rte_eth_dev_info_get(slave_port_id, &dev_info);
 390         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 391                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 392                              slave_port_id);
 393                 return -1;
 394         }
 395
 396         slave_add(internals, slave_eth_dev);
 397
 398         /* We need to store slaves reta_size to be able to synchronize RETA for all
 399          * slave devices even if its sizes are different.
 400          */
 401         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 402
 403         if (internals->slave_count < 1) {
 404                 /* if MAC is not user defined then use MAC of first slave add to
 405                  * bonded device */
 406                 if (!internals->user_defined_mac)
 407                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 408
 409                 /* Inherit eth dev link properties from first slave */
 410                 link_properties_set(bonded_eth_dev,
 411                                 &(slave_eth_dev->data->dev_link));
 412
 413                 /* Make primary slave */
 414                 internals->primary_port = slave_port_id;
 415                 internals->current_primary_port = slave_port_id;
 416
 417                 /* Inherit queues settings from first slave */
 418                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 419                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 420
 421                 internals->reta_size = dev_info.reta_size;
 422
 423                 /* Take the first dev's offload capabilities */
 424                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 425                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 426                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 427
 428                 /* Inherit first slave's max rx packet size */
 429                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 430
 431         } else {
 432                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 433                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 434                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 435
 436                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 437                  * the power of 2, the lower one is GCD
 438                  */
 439                 if (internals->reta_size > dev_info.reta_size)
 440                         internals->reta_size = dev_info.reta_size;
 441
 442                 if (!internals->max_rx_pktlen &&
 443                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
 444                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 445         }
 446
 447         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 448                         internals->flow_type_rss_offloads;
 449
 450         internals->slave_count++;
 451
 452         /* Update all slave devices MACs*/
 453         mac_address_slaves_update(bonded_eth_dev);
 454
 455         if (bonded_eth_dev->data->dev_started) {
 456                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 457                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 458                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 459                                         slave_port_id);
 460                         return -1;
 461                 }
 462         }
 463
 464         /* Register link status change callback with bonded device pointer as
 465          * argument*/
 466         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 467                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 468
 469         /* If bonded device is started then we can add the slave to our active
 470          * slave array */
 471         if (bonded_eth_dev->data->dev_started) {
 472                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 473
 474                  if (link_props.link_status == ETH_LINK_UP) {
 475                         if (internals->active_slave_count == 0 &&
 476                             !internals->user_defined_primary_port)
 477                                 bond_ethdev_primary_set(internals,
 478                                                         slave_port_id);
 479
 480                         if (find_slave_by_id(internals->active_slaves,
 481                                              internals->active_slave_count,
 482                                              slave_port_id) == internals->active_slave_count)
 483                                 activate_slave(bonded_eth_dev, slave_port_id);
 484                 }
 485         }
 486
 487         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 488
 489         return 0;
 490
 491 }
 492
 493 int
 494 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 495 {
 496         struct rte_eth_dev *bonded_eth_dev;
 497         struct bond_dev_private *internals;
 498
 499         int retval;
 500
 501         /* Verify that port id's are valid bonded and slave ports */
 502         if (valid_bonded_port_id(bonded_port_id) != 0)
 503                 return -1;
 504
 505         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 506         internals = bonded_eth_dev->data->dev_private;
 507
 508         rte_spinlock_lock(&internals->lock);
 509
 510         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 511
 512         rte_spinlock_unlock(&internals->lock);
 513
 514         return retval;
 515 }
 516
 517 static int
 518 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 519 {
 520         struct rte_eth_dev *bonded_eth_dev;
 521         struct bond_dev_private *internals;
 522         struct rte_eth_dev *slave_eth_dev;
 523         int i, slave_idx;
 524
 525         if (valid_slave_port_id(slave_port_id) != 0)
 526                 return -1;
 527
 528         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 529         internals = bonded_eth_dev->data->dev_private;
 530
 531         /* first remove from active slave list */
 532         slave_idx = find_slave_by_id(internals->active_slaves,
 533                 internals->active_slave_count, slave_port_id);
 534
 535         if (slave_idx < internals->active_slave_count)
 536                 deactivate_slave(bonded_eth_dev, slave_port_id);
 537
 538         slave_idx = -1;
 539         /* now find in slave list */
 540         for (i = 0; i < internals->slave_count; i++)
 541                 if (internals->slaves[i].port_id == slave_port_id) {
 542                         slave_idx = i;
 543                         break;
 544                 }
 545
 546         if (slave_idx < 0) {
 547                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 548                                 internals->slave_count);
 549                 return -1;
 550         }
 551
 552         /* Un-register link status change callback with bonded device pointer as
 553          * argument*/
 554         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 555                         bond_ethdev_lsc_event_callback,
 556                         &rte_eth_devices[bonded_port_id].data->port_id);
 557
 558         /* Restore original MAC address of slave device */
 559         mac_address_set(&rte_eth_devices[slave_port_id],
 560                         &(internals->slaves[slave_idx].persisted_mac_addr));
 561
 562         slave_eth_dev = &rte_eth_devices[slave_port_id];
 563         slave_remove(internals, slave_eth_dev);
 564         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 565
 566         /*  first slave in the active list will be the primary by default,
 567          *  otherwise use first device in list */
 568         if (internals->current_primary_port == slave_port_id) {
 569                 if (internals->active_slave_count > 0)
 570                         internals->current_primary_port = internals->active_slaves[0];
 571                 else if (internals->slave_count > 0)
 572                         internals->current_primary_port = internals->slaves[0].port_id;
 573                 else
 574                         internals->primary_port = 0;
 575         }
 576
 577         if (internals->active_slave_count < 1) {
 578                 /* reset device link properties as no slaves are active */
 579                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 580
 581                 /* if no slaves are any longer attached to bonded device and MAC is not
 582                  * user defined then clear MAC of bonded device as it will be reset
 583                  * when a new slave is added */
 584                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 585                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 586                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 587         }
 588         if (internals->slave_count == 0) {
 589                 internals->rx_offload_capa = 0;
 590                 internals->tx_offload_capa = 0;
 591                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 592                 internals->reta_size = 0;
 593                 internals->candidate_max_rx_pktlen = 0;
 594                 internals->max_rx_pktlen = 0;
 595         }
 596         return 0;
 597 }
 598
 599 int
 600 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 601 {
 602         struct rte_eth_dev *bonded_eth_dev;
 603         struct bond_dev_private *internals;
 604         int retval;
 605
 606         if (valid_bonded_port_id(bonded_port_id) != 0)
 607                 return -1;
 608
 609         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 610         internals = bonded_eth_dev->data->dev_private;
 611
 612         rte_spinlock_lock(&internals->lock);
 613
 614         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 615
 616         rte_spinlock_unlock(&internals->lock);
 617
 618         return retval;
 619 }
 620
 621 int
 622 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 623 {
 624         if (valid_bonded_port_id(bonded_port_id) != 0)
 625                 return -1;
 626
 627         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 628 }
 629
 630 int
 631 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 632 {
 633         struct bond_dev_private *internals;
 634
 635         if (valid_bonded_port_id(bonded_port_id) != 0)
 636                 return -1;
 637
 638         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 639
 640         return internals->mode;
 641 }
 642
 643 int
 644 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 645 {
 646         struct bond_dev_private *internals;
 647
 648         if (valid_bonded_port_id(bonded_port_id) != 0)
 649                 return -1;
 650
 651         if (valid_slave_port_id(slave_port_id) != 0)
 652                 return -1;
 653
 654         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 655
 656         internals->user_defined_primary_port = 1;
 657         internals->primary_port = slave_port_id;
 658
 659         bond_ethdev_primary_set(internals, slave_port_id);
 660
 661         return 0;
 662 }
 663
 664 int
 665 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 666 {
 667         struct bond_dev_private *internals;
 668
 669         if (valid_bonded_port_id(bonded_port_id) != 0)
 670                 return -1;
 671
 672         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 673
 674         if (internals->slave_count < 1)
 675                 return -1;
 676
 677         return internals->current_primary_port;
 678 }
 679
 680 int
 681 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 682 {
 683         struct bond_dev_private *internals;
 684         uint8_t i;
 685
 686         if (valid_bonded_port_id(bonded_port_id) != 0)
 687                 return -1;
 688
 689         if (slaves == NULL)
 690                 return -1;
 691
 692         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 693
 694         if (internals->slave_count > len)
 695                 return -1;
 696
 697         for (i = 0; i < internals->slave_count; i++)
 698                 slaves[i] = internals->slaves[i].port_id;
 699
 700         return internals->slave_count;
 701 }
 702
 703 int
 704 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 705                 uint8_t len)
 706 {
 707         struct bond_dev_private *internals;
 708
 709         if (valid_bonded_port_id(bonded_port_id) != 0)
 710                 return -1;
 711
 712         if (slaves == NULL)
 713                 return -1;
 714
 715         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 716
 717         if (internals->active_slave_count > len)
 718                 return -1;
 719
 720         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 721
 722         return internals->active_slave_count;
 723 }
 724
 725 int
 726 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 727                 struct ether_addr *mac_addr)
 728 {
 729         struct rte_eth_dev *bonded_eth_dev;
 730         struct bond_dev_private *internals;
 731
 732         if (valid_bonded_port_id(bonded_port_id) != 0)
 733                 return -1;
 734
 735         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 736         internals = bonded_eth_dev->data->dev_private;
 737
 738         /* Set MAC Address of Bonded Device */
 739         if (mac_address_set(bonded_eth_dev, mac_addr))
 740                 return -1;
 741
 742         internals->user_defined_mac = 1;
 743
 744         /* Update all slave devices MACs*/
 745         if (internals->slave_count > 0)
 746                 return mac_address_slaves_update(bonded_eth_dev);
 747
 748         return 0;
 749 }
 750
 751 int
 752 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 753 {
 754         struct rte_eth_dev *bonded_eth_dev;
 755         struct bond_dev_private *internals;
 756
 757         if (valid_bonded_port_id(bonded_port_id) != 0)
 758                 return -1;
 759
 760         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 761         internals = bonded_eth_dev->data->dev_private;
 762
 763         internals->user_defined_mac = 0;
 764
 765         if (internals->slave_count > 0) {
 766                 /* Set MAC Address of Bonded Device */
 767                 if (mac_address_set(bonded_eth_dev,
 768                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 769                                 != 0) {
 770                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 771                         return -1;
 772                 }
 773                 /* Update all slave devices MAC addresses */
 774                 return mac_address_slaves_update(bonded_eth_dev);
 775         }
 776         /* No need to update anything as no slaves present */
 777         return 0;
 778 }
 779
 780 int
 781 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 782 {
 783         struct bond_dev_private *internals;
 784
 785         if (valid_bonded_port_id(bonded_port_id) != 0)
 786                 return -1;
 787
 788         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 789
 790         switch (policy) {
 791         case BALANCE_XMIT_POLICY_LAYER2:
 792                 internals->balance_xmit_policy = policy;
 793                 internals->xmit_hash = xmit_l2_hash;
 794                 break;
 795         case BALANCE_XMIT_POLICY_LAYER23:
 796                 internals->balance_xmit_policy = policy;
 797                 internals->xmit_hash = xmit_l23_hash;
 798                 break;
 799         case BALANCE_XMIT_POLICY_LAYER34:
 800                 internals->balance_xmit_policy = policy;
 801                 internals->xmit_hash = xmit_l34_hash;
 802                 break;
 803
 804         default:
 805                 return -1;
 806         }
 807         return 0;
 808 }
 809
 810 int
 811 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 812 {
 813         struct bond_dev_private *internals;
 814
 815         if (valid_bonded_port_id(bonded_port_id) != 0)
 816                 return -1;
 817
 818         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 819
 820         return internals->balance_xmit_policy;
 821 }
 822
 823 int
 824 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 825 {
 826         struct bond_dev_private *internals;
 827
 828         if (valid_bonded_port_id(bonded_port_id) != 0)
 829                 return -1;
 830
 831         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 832         internals->link_status_polling_interval_ms = internal_ms;
 833
 834         return 0;
 835 }
 836
 837 int
 838 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 839 {
 840         struct bond_dev_private *internals;
 841
 842         if (valid_bonded_port_id(bonded_port_id) != 0)
 843                 return -1;
 844
 845         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 846
 847         return internals->link_status_polling_interval_ms;
 848 }
 849
 850 int
 851 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 852
 853 {
 854         struct bond_dev_private *internals;
 855
 856         if (valid_bonded_port_id(bonded_port_id) != 0)
 857                 return -1;
 858
 859         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 860         internals->link_down_delay_ms = delay_ms;
 861
 862         return 0;
 863 }
 864
 865 int
 866 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 867 {
 868         struct bond_dev_private *internals;
 869
 870         if (valid_bonded_port_id(bonded_port_id) != 0)
 871                 return -1;
 872
 873         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 874
 875         return internals->link_down_delay_ms;
 876 }
 877
 878 int
 879 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 880
 881 {
 882         struct bond_dev_private *internals;
 883
 884         if (valid_bonded_port_id(bonded_port_id) != 0)
 885                 return -1;
 886
 887         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 888         internals->link_up_delay_ms = delay_ms;
 889
 890         return 0;
 891 }
 892
 893 int
 894 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 895 {
 896         struct bond_dev_private *internals;
 897
 898         if (valid_bonded_port_id(bonded_port_id) != 0)
 899                 return -1;
 900
 901         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 902
 903         return internals->link_up_delay_ms;
 904 }