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         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 204
 205         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
 206
 207         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 208                         socket_id);
 209         if (eth_dev->data->mac_addrs == NULL) {
 210                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
 211                 goto err;
 212         }
 213
 214         eth_dev->data->dev_started = 0;
 215         eth_dev->data->promiscuous = 0;
 216         eth_dev->data->scattered_rx = 0;
 217         eth_dev->data->all_multicast = 0;
 218
 219         eth_dev->dev_ops = &default_dev_ops;
 220         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
 221                 RTE_ETH_DEV_DETACHABLE;
 222         eth_dev->driver = NULL;
 223         eth_dev->data->kdrv = RTE_KDRV_NONE;
 224         eth_dev->data->drv_name = pmd_bond_driver_name;
 225         eth_dev->data->numa_node =  socket_id;
 226
 227         rte_spinlock_init(&internals->lock);
 228
 229         internals->port_id = eth_dev->data->port_id;
 230         internals->mode = BONDING_MODE_INVALID;
 231         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
 232         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 233         internals->xmit_hash = xmit_l2_hash;
 234         internals->user_defined_mac = 0;
 235         internals->link_props_set = 0;
 236
 237         internals->link_status_polling_enabled = 0;
 238
 239         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 240         internals->link_down_delay_ms = 0;
 241         internals->link_up_delay_ms = 0;
 242
 243         internals->slave_count = 0;
 244         internals->active_slave_count = 0;
 245         internals->rx_offload_capa = 0;
 246         internals->tx_offload_capa = 0;
 247         internals->candidate_max_rx_pktlen = 0;
 248         internals->max_rx_pktlen = 0;
 249
 250         /* Initially allow to choose any offload type */
 251         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 252
 253         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 254         memset(internals->slaves, 0, sizeof(internals->slaves));
 255
 256         /* Set mode 4 default configuration */
 257         bond_mode_8023ad_setup(eth_dev, NULL);
 258         if (bond_ethdev_mode_set(eth_dev, mode)) {
 259                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 260                                  eth_dev->data->port_id, mode);
 261                 goto err;
 262         }
 263
 264         vlan_filter_bmp_size =
 265                 rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
 266         internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
 267                                                    RTE_CACHE_LINE_SIZE);
 268         if (internals->vlan_filter_bmpmem == NULL) {
 269                 RTE_BOND_LOG(ERR,
 270                              "Failed to allocate vlan bitmap for bonded device %u\n",
 271                              eth_dev->data->port_id);
 272                 goto err;
 273         }
 274
 275         internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
 276                         internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
 277         if (internals->vlan_filter_bmp == NULL) {
 278                 RTE_BOND_LOG(ERR,
 279                              "Failed to init vlan bitmap for bonded device %u\n",
 280                              eth_dev->data->port_id);
 281                 rte_free(internals->vlan_filter_bmpmem);
 282                 goto err;
 283         }
 284
 285         return eth_dev->data->port_id;
 286
 287 err:
 288         rte_free(internals);
 289         if (eth_dev != NULL) {
 290                 rte_free(eth_dev->data->mac_addrs);
 291                 rte_eth_dev_release_port(eth_dev);
 292         }
 293         return -1;
 294 }
 295
 296 int
 297 rte_eth_bond_free(const char *name)
 298 {
 299         struct rte_eth_dev *eth_dev = NULL;
 300         struct bond_dev_private *internals;
 301
 302         /* now free all data allocation - for eth_dev structure,
 303          * dummy pci driver and internal (private) data
 304          */
 305
 306         /* find an ethdev entry */
 307         eth_dev = rte_eth_dev_allocated(name);
 308         if (eth_dev == NULL)
 309                 return -ENODEV;
 310
 311         internals = eth_dev->data->dev_private;
 312         if (internals->slave_count != 0)
 313                 return -EBUSY;
 314
 315         if (eth_dev->data->dev_started == 1) {
 316                 bond_ethdev_stop(eth_dev);
 317                 bond_ethdev_close(eth_dev);
 318         }
 319
 320         eth_dev->dev_ops = NULL;
 321         eth_dev->rx_pkt_burst = NULL;
 322         eth_dev->tx_pkt_burst = NULL;
 323
 324         internals = eth_dev->data->dev_private;
 325         rte_bitmap_free(internals->vlan_filter_bmp);
 326         rte_free(internals->vlan_filter_bmpmem);
 327         rte_free(eth_dev->data->dev_private);
 328         rte_free(eth_dev->data->mac_addrs);
 329
 330         rte_eth_dev_release_port(eth_dev);
 331
 332         return 0;
 333 }
 334
 335 static int
 336 slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 337 {
 338         struct rte_eth_dev *bonded_eth_dev;
 339         struct bond_dev_private *internals;
 340         int found;
 341         int res = 0;
 342         uint64_t slab = 0;
 343         uint32_t pos = 0;
 344         uint16_t first;
 345
 346         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 347         if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
 348                 return 0;
 349
 350         internals = bonded_eth_dev->data->dev_private;
 351         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 352         first = pos;
 353
 354         if (!found)
 355                 return 0;
 356
 357         do {
 358                 uint32_t i;
 359                 uint64_t mask;
 360
 361                 for (i = 0, mask = 1;
 362                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 363                      i ++, mask <<= 1) {
 364                         if (unlikely(slab & mask))
 365                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 366                                                               (uint16_t)pos, 1);
 367                 }
 368                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 369                                         &pos, &slab);
 370         } while (found && first != pos && res == 0);
 371
 372         return res;
 373 }
 374
 375 static int
 376 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 377 {
 378         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 379         struct bond_dev_private *internals;
 380         struct rte_eth_link link_props;
 381         struct rte_eth_dev_info dev_info;
 382
 383         if (valid_slave_port_id(slave_port_id) != 0)
 384                 return -1;
 385
 386         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 387         internals = bonded_eth_dev->data->dev_private;
 388
 389         slave_eth_dev = &rte_eth_devices[slave_port_id];
 390         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 391                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 392                 return -1;
 393         }
 394
 395         /* Add slave details to bonded device */
 396         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 397
 398         rte_eth_dev_info_get(slave_port_id, &dev_info);
 399         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 400                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 401                              slave_port_id);
 402                 return -1;
 403         }
 404
 405         slave_add(internals, slave_eth_dev);
 406
 407         /* We need to store slaves reta_size to be able to synchronize RETA for all
 408          * slave devices even if its sizes are different.
 409          */
 410         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 411
 412         if (internals->slave_count < 1) {
 413                 /* if MAC is not user defined then use MAC of first slave add to
 414                  * bonded device */
 415                 if (!internals->user_defined_mac)
 416                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 417
 418                 /* Inherit eth dev link properties from first slave */
 419                 link_properties_set(bonded_eth_dev,
 420                                 &(slave_eth_dev->data->dev_link));
 421
 422                 /* Make primary slave */
 423                 internals->primary_port = slave_port_id;
 424                 internals->current_primary_port = slave_port_id;
 425
 426                 /* Inherit queues settings from first slave */
 427                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 428                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 429
 430                 internals->reta_size = dev_info.reta_size;
 431
 432                 /* Take the first dev's offload capabilities */
 433                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 434                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 435                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 436
 437                 /* Inherit first slave's max rx packet size */
 438                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 439
 440         } else {
 441                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 442                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 443                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 444
 445                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 446                  * the power of 2, the lower one is GCD
 447                  */
 448                 if (internals->reta_size > dev_info.reta_size)
 449                         internals->reta_size = dev_info.reta_size;
 450
 451                 if (!internals->max_rx_pktlen &&
 452                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
 453                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 454         }
 455
 456         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 457                         internals->flow_type_rss_offloads;
 458
 459         internals->slave_count++;
 460
 461         /* Update all slave devices MACs*/
 462         mac_address_slaves_update(bonded_eth_dev);
 463
 464         if (bonded_eth_dev->data->dev_started) {
 465                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 466                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 467                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 468                                         slave_port_id);
 469                         return -1;
 470                 }
 471         }
 472
 473         /* Register link status change callback with bonded device pointer as
 474          * argument*/
 475         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 476                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 477
 478         /* If bonded device is started then we can add the slave to our active
 479          * slave array */
 480         if (bonded_eth_dev->data->dev_started) {
 481                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 482
 483                  if (link_props.link_status == ETH_LINK_UP) {
 484                         if (internals->active_slave_count == 0 &&
 485                             !internals->user_defined_primary_port)
 486                                 bond_ethdev_primary_set(internals,
 487                                                         slave_port_id);
 488
 489                         if (find_slave_by_id(internals->active_slaves,
 490                                              internals->active_slave_count,
 491                                              slave_port_id) == internals->active_slave_count)
 492                                 activate_slave(bonded_eth_dev, slave_port_id);
 493                 }
 494         }
 495
 496         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 497
 498         return 0;
 499
 500 }
 501
 502 int
 503 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 504 {
 505         struct rte_eth_dev *bonded_eth_dev;
 506         struct bond_dev_private *internals;
 507
 508         int retval;
 509
 510         /* Verify that port id's are valid bonded and slave ports */
 511         if (valid_bonded_port_id(bonded_port_id) != 0)
 512                 return -1;
 513
 514         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 515         internals = bonded_eth_dev->data->dev_private;
 516
 517         rte_spinlock_lock(&internals->lock);
 518
 519         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 520
 521         rte_spinlock_unlock(&internals->lock);
 522
 523         return retval;
 524 }
 525
 526 static int
 527 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 528 {
 529         struct rte_eth_dev *bonded_eth_dev;
 530         struct bond_dev_private *internals;
 531         struct rte_eth_dev *slave_eth_dev;
 532         int i, slave_idx;
 533
 534         if (valid_slave_port_id(slave_port_id) != 0)
 535                 return -1;
 536
 537         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 538         internals = bonded_eth_dev->data->dev_private;
 539
 540         /* first remove from active slave list */
 541         slave_idx = find_slave_by_id(internals->active_slaves,
 542                 internals->active_slave_count, slave_port_id);
 543
 544         if (slave_idx < internals->active_slave_count)
 545                 deactivate_slave(bonded_eth_dev, slave_port_id);
 546
 547         slave_idx = -1;
 548         /* now find in slave list */
 549         for (i = 0; i < internals->slave_count; i++)
 550                 if (internals->slaves[i].port_id == slave_port_id) {
 551                         slave_idx = i;
 552                         break;
 553                 }
 554
 555         if (slave_idx < 0) {
 556                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 557                                 internals->slave_count);
 558                 return -1;
 559         }
 560
 561         /* Un-register link status change callback with bonded device pointer as
 562          * argument*/
 563         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 564                         bond_ethdev_lsc_event_callback,
 565                         &rte_eth_devices[bonded_port_id].data->port_id);
 566
 567         /* Restore original MAC address of slave device */
 568         mac_address_set(&rte_eth_devices[slave_port_id],
 569                         &(internals->slaves[slave_idx].persisted_mac_addr));
 570
 571         slave_eth_dev = &rte_eth_devices[slave_port_id];
 572         slave_remove(internals, slave_eth_dev);
 573         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 574
 575         /*  first slave in the active list will be the primary by default,
 576          *  otherwise use first device in list */
 577         if (internals->current_primary_port == slave_port_id) {
 578                 if (internals->active_slave_count > 0)
 579                         internals->current_primary_port = internals->active_slaves[0];
 580                 else if (internals->slave_count > 0)
 581                         internals->current_primary_port = internals->slaves[0].port_id;
 582                 else
 583                         internals->primary_port = 0;
 584         }
 585
 586         if (internals->active_slave_count < 1) {
 587                 /* reset device link properties as no slaves are active */
 588                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 589
 590                 /* if no slaves are any longer attached to bonded device and MAC is not
 591                  * user defined then clear MAC of bonded device as it will be reset
 592                  * when a new slave is added */
 593                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 594                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 595                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 596         }
 597         if (internals->slave_count == 0) {
 598                 internals->rx_offload_capa = 0;
 599                 internals->tx_offload_capa = 0;
 600                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 601                 internals->reta_size = 0;
 602                 internals->candidate_max_rx_pktlen = 0;
 603                 internals->max_rx_pktlen = 0;
 604         }
 605         return 0;
 606 }
 607
 608 int
 609 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 610 {
 611         struct rte_eth_dev *bonded_eth_dev;
 612         struct bond_dev_private *internals;
 613         int retval;
 614
 615         if (valid_bonded_port_id(bonded_port_id) != 0)
 616                 return -1;
 617
 618         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 619         internals = bonded_eth_dev->data->dev_private;
 620
 621         rte_spinlock_lock(&internals->lock);
 622
 623         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 624
 625         rte_spinlock_unlock(&internals->lock);
 626
 627         return retval;
 628 }
 629
 630 int
 631 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 632 {
 633         if (valid_bonded_port_id(bonded_port_id) != 0)
 634                 return -1;
 635
 636         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 637 }
 638
 639 int
 640 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 641 {
 642         struct bond_dev_private *internals;
 643
 644         if (valid_bonded_port_id(bonded_port_id) != 0)
 645                 return -1;
 646
 647         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 648
 649         return internals->mode;
 650 }
 651
 652 int
 653 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 654 {
 655         struct bond_dev_private *internals;
 656
 657         if (valid_bonded_port_id(bonded_port_id) != 0)
 658                 return -1;
 659
 660         if (valid_slave_port_id(slave_port_id) != 0)
 661                 return -1;
 662
 663         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 664
 665         internals->user_defined_primary_port = 1;
 666         internals->primary_port = slave_port_id;
 667
 668         bond_ethdev_primary_set(internals, slave_port_id);
 669
 670         return 0;
 671 }
 672
 673 int
 674 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 675 {
 676         struct bond_dev_private *internals;
 677
 678         if (valid_bonded_port_id(bonded_port_id) != 0)
 679                 return -1;
 680
 681         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 682
 683         if (internals->slave_count < 1)
 684                 return -1;
 685
 686         return internals->current_primary_port;
 687 }
 688
 689 int
 690 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 691 {
 692         struct bond_dev_private *internals;
 693         uint8_t i;
 694
 695         if (valid_bonded_port_id(bonded_port_id) != 0)
 696                 return -1;
 697
 698         if (slaves == NULL)
 699                 return -1;
 700
 701         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 702
 703         if (internals->slave_count > len)
 704                 return -1;
 705
 706         for (i = 0; i < internals->slave_count; i++)
 707                 slaves[i] = internals->slaves[i].port_id;
 708
 709         return internals->slave_count;
 710 }
 711
 712 int
 713 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 714                 uint8_t len)
 715 {
 716         struct bond_dev_private *internals;
 717
 718         if (valid_bonded_port_id(bonded_port_id) != 0)
 719                 return -1;
 720
 721         if (slaves == NULL)
 722                 return -1;
 723
 724         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 725
 726         if (internals->active_slave_count > len)
 727                 return -1;
 728
 729         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 730
 731         return internals->active_slave_count;
 732 }
 733
 734 int
 735 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 736                 struct ether_addr *mac_addr)
 737 {
 738         struct rte_eth_dev *bonded_eth_dev;
 739         struct bond_dev_private *internals;
 740
 741         if (valid_bonded_port_id(bonded_port_id) != 0)
 742                 return -1;
 743
 744         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 745         internals = bonded_eth_dev->data->dev_private;
 746
 747         /* Set MAC Address of Bonded Device */
 748         if (mac_address_set(bonded_eth_dev, mac_addr))
 749                 return -1;
 750
 751         internals->user_defined_mac = 1;
 752
 753         /* Update all slave devices MACs*/
 754         if (internals->slave_count > 0)
 755                 return mac_address_slaves_update(bonded_eth_dev);
 756
 757         return 0;
 758 }
 759
 760 int
 761 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 762 {
 763         struct rte_eth_dev *bonded_eth_dev;
 764         struct bond_dev_private *internals;
 765
 766         if (valid_bonded_port_id(bonded_port_id) != 0)
 767                 return -1;
 768
 769         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 770         internals = bonded_eth_dev->data->dev_private;
 771
 772         internals->user_defined_mac = 0;
 773
 774         if (internals->slave_count > 0) {
 775                 /* Set MAC Address of Bonded Device */
 776                 if (mac_address_set(bonded_eth_dev,
 777                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 778                                 != 0) {
 779                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 780                         return -1;
 781                 }
 782                 /* Update all slave devices MAC addresses */
 783                 return mac_address_slaves_update(bonded_eth_dev);
 784         }
 785         /* No need to update anything as no slaves present */
 786         return 0;
 787 }
 788
 789 int
 790 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 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
 799         switch (policy) {
 800         case BALANCE_XMIT_POLICY_LAYER2:
 801                 internals->balance_xmit_policy = policy;
 802                 internals->xmit_hash = xmit_l2_hash;
 803                 break;
 804         case BALANCE_XMIT_POLICY_LAYER23:
 805                 internals->balance_xmit_policy = policy;
 806                 internals->xmit_hash = xmit_l23_hash;
 807                 break;
 808         case BALANCE_XMIT_POLICY_LAYER34:
 809                 internals->balance_xmit_policy = policy;
 810                 internals->xmit_hash = xmit_l34_hash;
 811                 break;
 812
 813         default:
 814                 return -1;
 815         }
 816         return 0;
 817 }
 818
 819 int
 820 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 821 {
 822         struct bond_dev_private *internals;
 823
 824         if (valid_bonded_port_id(bonded_port_id) != 0)
 825                 return -1;
 826
 827         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 828
 829         return internals->balance_xmit_policy;
 830 }
 831
 832 int
 833 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 834 {
 835         struct bond_dev_private *internals;
 836
 837         if (valid_bonded_port_id(bonded_port_id) != 0)
 838                 return -1;
 839
 840         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 841         internals->link_status_polling_interval_ms = internal_ms;
 842
 843         return 0;
 844 }
 845
 846 int
 847 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 848 {
 849         struct bond_dev_private *internals;
 850
 851         if (valid_bonded_port_id(bonded_port_id) != 0)
 852                 return -1;
 853
 854         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 855
 856         return internals->link_status_polling_interval_ms;
 857 }
 858
 859 int
 860 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 861
 862 {
 863         struct bond_dev_private *internals;
 864
 865         if (valid_bonded_port_id(bonded_port_id) != 0)
 866                 return -1;
 867
 868         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 869         internals->link_down_delay_ms = delay_ms;
 870
 871         return 0;
 872 }
 873
 874 int
 875 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 876 {
 877         struct bond_dev_private *internals;
 878
 879         if (valid_bonded_port_id(bonded_port_id) != 0)
 880                 return -1;
 881
 882         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 883
 884         return internals->link_down_delay_ms;
 885 }
 886
 887 int
 888 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 889
 890 {
 891         struct bond_dev_private *internals;
 892
 893         if (valid_bonded_port_id(bonded_port_id) != 0)
 894                 return -1;
 895
 896         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 897         internals->link_up_delay_ms = delay_ms;
 898
 899         return 0;
 900 }
 901
 902 int
 903 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 904 {
 905         struct bond_dev_private *internals;
 906
 907         if (valid_bonded_port_id(bonded_port_id) != 0)
 908                 return -1;
 909
 910         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 911
 912         return internals->link_up_delay_ms;
 913 }