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->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 206                         socket_id);
 207         if (eth_dev->data->mac_addrs == NULL) {
 208                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
 209                 goto err;
 210         }
 211
 212         eth_dev->dev_ops = &default_dev_ops;
 213         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
 214                 RTE_ETH_DEV_DETACHABLE;
 215         eth_dev->driver = NULL;
 216         eth_dev->data->kdrv = RTE_KDRV_NONE;
 217         eth_dev->data->drv_name = pmd_bond_driver_name;
 218         eth_dev->data->numa_node =  socket_id;
 219
 220         rte_spinlock_init(&internals->lock);
 221
 222         internals->port_id = eth_dev->data->port_id;
 223         internals->mode = BONDING_MODE_INVALID;
 224         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
 225         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 226         internals->xmit_hash = xmit_l2_hash;
 227         internals->user_defined_mac = 0;
 228         internals->link_props_set = 0;
 229
 230         internals->link_status_polling_enabled = 0;
 231
 232         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 233         internals->link_down_delay_ms = 0;
 234         internals->link_up_delay_ms = 0;
 235
 236         internals->slave_count = 0;
 237         internals->active_slave_count = 0;
 238         internals->rx_offload_capa = 0;
 239         internals->tx_offload_capa = 0;
 240         internals->candidate_max_rx_pktlen = 0;
 241         internals->max_rx_pktlen = 0;
 242
 243         /* Initially allow to choose any offload type */
 244         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 245
 246         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 247         memset(internals->slaves, 0, sizeof(internals->slaves));
 248
 249         /* Set mode 4 default configuration */
 250         bond_mode_8023ad_setup(eth_dev, NULL);
 251         if (bond_ethdev_mode_set(eth_dev, mode)) {
 252                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 253                                  eth_dev->data->port_id, mode);
 254                 goto err;
 255         }
 256
 257         vlan_filter_bmp_size =
 258                 rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
 259         internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
 260                                                    RTE_CACHE_LINE_SIZE);
 261         if (internals->vlan_filter_bmpmem == NULL) {
 262                 RTE_BOND_LOG(ERR,
 263                              "Failed to allocate vlan bitmap for bonded device %u\n",
 264                              eth_dev->data->port_id);
 265                 goto err;
 266         }
 267
 268         internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
 269                         internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
 270         if (internals->vlan_filter_bmp == NULL) {
 271                 RTE_BOND_LOG(ERR,
 272                              "Failed to init vlan bitmap for bonded device %u\n",
 273                              eth_dev->data->port_id);
 274                 rte_free(internals->vlan_filter_bmpmem);
 275                 goto err;
 276         }
 277
 278         return eth_dev->data->port_id;
 279
 280 err:
 281         rte_free(internals);
 282         if (eth_dev != NULL) {
 283                 rte_free(eth_dev->data->mac_addrs);
 284                 rte_eth_dev_release_port(eth_dev);
 285         }
 286         return -1;
 287 }
 288
 289 int
 290 rte_eth_bond_free(const char *name)
 291 {
 292         struct rte_eth_dev *eth_dev = NULL;
 293         struct bond_dev_private *internals;
 294
 295         /* now free all data allocation - for eth_dev structure,
 296          * dummy pci driver and internal (private) data
 297          */
 298
 299         /* find an ethdev entry */
 300         eth_dev = rte_eth_dev_allocated(name);
 301         if (eth_dev == NULL)
 302                 return -ENODEV;
 303
 304         internals = eth_dev->data->dev_private;
 305         if (internals->slave_count != 0)
 306                 return -EBUSY;
 307
 308         if (eth_dev->data->dev_started == 1) {
 309                 bond_ethdev_stop(eth_dev);
 310                 bond_ethdev_close(eth_dev);
 311         }
 312
 313         eth_dev->dev_ops = NULL;
 314         eth_dev->rx_pkt_burst = NULL;
 315         eth_dev->tx_pkt_burst = NULL;
 316
 317         internals = eth_dev->data->dev_private;
 318         rte_bitmap_free(internals->vlan_filter_bmp);
 319         rte_free(internals->vlan_filter_bmpmem);
 320         rte_free(eth_dev->data->dev_private);
 321         rte_free(eth_dev->data->mac_addrs);
 322
 323         rte_eth_dev_release_port(eth_dev);
 324
 325         return 0;
 326 }
 327
 328 static int
 329 slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 330 {
 331         struct rte_eth_dev *bonded_eth_dev;
 332         struct bond_dev_private *internals;
 333         int found;
 334         int res = 0;
 335         uint64_t slab = 0;
 336         uint32_t pos = 0;
 337         uint16_t first;
 338
 339         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 340         if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
 341                 return 0;
 342
 343         internals = bonded_eth_dev->data->dev_private;
 344         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 345         first = pos;
 346
 347         if (!found)
 348                 return 0;
 349
 350         do {
 351                 uint32_t i;
 352                 uint64_t mask;
 353
 354                 for (i = 0, mask = 1;
 355                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 356                      i ++, mask <<= 1) {
 357                         if (unlikely(slab & mask))
 358                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 359                                                               (uint16_t)pos, 1);
 360                 }
 361                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 362                                         &pos, &slab);
 363         } while (found && first != pos && res == 0);
 364
 365         return res;
 366 }
 367
 368 static int
 369 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 370 {
 371         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 372         struct bond_dev_private *internals;
 373         struct rte_eth_link link_props;
 374         struct rte_eth_dev_info dev_info;
 375
 376         if (valid_slave_port_id(slave_port_id) != 0)
 377                 return -1;
 378
 379         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 380         internals = bonded_eth_dev->data->dev_private;
 381
 382         slave_eth_dev = &rte_eth_devices[slave_port_id];
 383         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 384                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 385                 return -1;
 386         }
 387
 388         /* Add slave details to bonded device */
 389         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 390
 391         rte_eth_dev_info_get(slave_port_id, &dev_info);
 392         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 393                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 394                              slave_port_id);
 395                 return -1;
 396         }
 397
 398         slave_add(internals, slave_eth_dev);
 399
 400         /* We need to store slaves reta_size to be able to synchronize RETA for all
 401          * slave devices even if its sizes are different.
 402          */
 403         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 404
 405         if (internals->slave_count < 1) {
 406                 /* if MAC is not user defined then use MAC of first slave add to
 407                  * bonded device */
 408                 if (!internals->user_defined_mac)
 409                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 410
 411                 /* Inherit eth dev link properties from first slave */
 412                 link_properties_set(bonded_eth_dev,
 413                                 &(slave_eth_dev->data->dev_link));
 414
 415                 /* Make primary slave */
 416                 internals->primary_port = slave_port_id;
 417                 internals->current_primary_port = slave_port_id;
 418
 419                 /* Inherit queues settings from first slave */
 420                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 421                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 422
 423                 internals->reta_size = dev_info.reta_size;
 424
 425                 /* Take the first dev's offload capabilities */
 426                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 427                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 428                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
 429
 430                 /* Inherit first slave's max rx packet size */
 431                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 432
 433         } else {
 434                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 435                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 436                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
 437
 438                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 439                  * the power of 2, the lower one is GCD
 440                  */
 441                 if (internals->reta_size > dev_info.reta_size)
 442                         internals->reta_size = dev_info.reta_size;
 443
 444                 if (!internals->max_rx_pktlen &&
 445                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
 446                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
 447         }
 448
 449         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 450                         internals->flow_type_rss_offloads;
 451
 452         internals->slave_count++;
 453
 454         /* Update all slave devices MACs*/
 455         mac_address_slaves_update(bonded_eth_dev);
 456
 457         if (bonded_eth_dev->data->dev_started) {
 458                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 459                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 460                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 461                                         slave_port_id);
 462                         return -1;
 463                 }
 464         }
 465
 466         /* Register link status change callback with bonded device pointer as
 467          * argument*/
 468         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 469                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 470
 471         /* If bonded device is started then we can add the slave to our active
 472          * slave array */
 473         if (bonded_eth_dev->data->dev_started) {
 474                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 475
 476                  if (link_props.link_status == ETH_LINK_UP) {
 477                         if (internals->active_slave_count == 0 &&
 478                             !internals->user_defined_primary_port)
 479                                 bond_ethdev_primary_set(internals,
 480                                                         slave_port_id);
 481
 482                         if (find_slave_by_id(internals->active_slaves,
 483                                              internals->active_slave_count,
 484                                              slave_port_id) == internals->active_slave_count)
 485                                 activate_slave(bonded_eth_dev, slave_port_id);
 486                 }
 487         }
 488
 489         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 490
 491         return 0;
 492
 493 }
 494
 495 int
 496 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 497 {
 498         struct rte_eth_dev *bonded_eth_dev;
 499         struct bond_dev_private *internals;
 500
 501         int retval;
 502
 503         /* Verify that port id's are valid bonded and slave ports */
 504         if (valid_bonded_port_id(bonded_port_id) != 0)
 505                 return -1;
 506
 507         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 508         internals = bonded_eth_dev->data->dev_private;
 509
 510         rte_spinlock_lock(&internals->lock);
 511
 512         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 513
 514         rte_spinlock_unlock(&internals->lock);
 515
 516         return retval;
 517 }
 518
 519 static int
 520 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 521 {
 522         struct rte_eth_dev *bonded_eth_dev;
 523         struct bond_dev_private *internals;
 524         struct rte_eth_dev *slave_eth_dev;
 525         int i, slave_idx;
 526
 527         if (valid_slave_port_id(slave_port_id) != 0)
 528                 return -1;
 529
 530         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 531         internals = bonded_eth_dev->data->dev_private;
 532
 533         /* first remove from active slave list */
 534         slave_idx = find_slave_by_id(internals->active_slaves,
 535                 internals->active_slave_count, slave_port_id);
 536
 537         if (slave_idx < internals->active_slave_count)
 538                 deactivate_slave(bonded_eth_dev, slave_port_id);
 539
 540         slave_idx = -1;
 541         /* now find in slave list */
 542         for (i = 0; i < internals->slave_count; i++)
 543                 if (internals->slaves[i].port_id == slave_port_id) {
 544                         slave_idx = i;
 545                         break;
 546                 }
 547
 548         if (slave_idx < 0) {
 549                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 550                                 internals->slave_count);
 551                 return -1;
 552         }
 553
 554         /* Un-register link status change callback with bonded device pointer as
 555          * argument*/
 556         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 557                         bond_ethdev_lsc_event_callback,
 558                         &rte_eth_devices[bonded_port_id].data->port_id);
 559
 560         /* Restore original MAC address of slave device */
 561         mac_address_set(&rte_eth_devices[slave_port_id],
 562                         &(internals->slaves[slave_idx].persisted_mac_addr));
 563
 564         slave_eth_dev = &rte_eth_devices[slave_port_id];
 565         slave_remove(internals, slave_eth_dev);
 566         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 567
 568         /*  first slave in the active list will be the primary by default,
 569          *  otherwise use first device in list */
 570         if (internals->current_primary_port == slave_port_id) {
 571                 if (internals->active_slave_count > 0)
 572                         internals->current_primary_port = internals->active_slaves[0];
 573                 else if (internals->slave_count > 0)
 574                         internals->current_primary_port = internals->slaves[0].port_id;
 575                 else
 576                         internals->primary_port = 0;
 577         }
 578
 579         if (internals->active_slave_count < 1) {
 580                 /* reset device link properties as no slaves are active */
 581                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 582
 583                 /* if no slaves are any longer attached to bonded device and MAC is not
 584                  * user defined then clear MAC of bonded device as it will be reset
 585                  * when a new slave is added */
 586                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 587                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 588                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 589         }
 590         if (internals->slave_count == 0) {
 591                 internals->rx_offload_capa = 0;
 592                 internals->tx_offload_capa = 0;
 593                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 594                 internals->reta_size = 0;
 595                 internals->candidate_max_rx_pktlen = 0;
 596                 internals->max_rx_pktlen = 0;
 597         }
 598         return 0;
 599 }
 600
 601 int
 602 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 603 {
 604         struct rte_eth_dev *bonded_eth_dev;
 605         struct bond_dev_private *internals;
 606         int retval;
 607
 608         if (valid_bonded_port_id(bonded_port_id) != 0)
 609                 return -1;
 610
 611         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 612         internals = bonded_eth_dev->data->dev_private;
 613
 614         rte_spinlock_lock(&internals->lock);
 615
 616         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 617
 618         rte_spinlock_unlock(&internals->lock);
 619
 620         return retval;
 621 }
 622
 623 int
 624 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 625 {
 626         if (valid_bonded_port_id(bonded_port_id) != 0)
 627                 return -1;
 628
 629         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 630 }
 631
 632 int
 633 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 634 {
 635         struct bond_dev_private *internals;
 636
 637         if (valid_bonded_port_id(bonded_port_id) != 0)
 638                 return -1;
 639
 640         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 641
 642         return internals->mode;
 643 }
 644
 645 int
 646 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 647 {
 648         struct bond_dev_private *internals;
 649
 650         if (valid_bonded_port_id(bonded_port_id) != 0)
 651                 return -1;
 652
 653         if (valid_slave_port_id(slave_port_id) != 0)
 654                 return -1;
 655
 656         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 657
 658         internals->user_defined_primary_port = 1;
 659         internals->primary_port = slave_port_id;
 660
 661         bond_ethdev_primary_set(internals, slave_port_id);
 662
 663         return 0;
 664 }
 665
 666 int
 667 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 668 {
 669         struct bond_dev_private *internals;
 670
 671         if (valid_bonded_port_id(bonded_port_id) != 0)
 672                 return -1;
 673
 674         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 675
 676         if (internals->slave_count < 1)
 677                 return -1;
 678
 679         return internals->current_primary_port;
 680 }
 681
 682 int
 683 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 684 {
 685         struct bond_dev_private *internals;
 686         uint8_t i;
 687
 688         if (valid_bonded_port_id(bonded_port_id) != 0)
 689                 return -1;
 690
 691         if (slaves == NULL)
 692                 return -1;
 693
 694         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 695
 696         if (internals->slave_count > len)
 697                 return -1;
 698
 699         for (i = 0; i < internals->slave_count; i++)
 700                 slaves[i] = internals->slaves[i].port_id;
 701
 702         return internals->slave_count;
 703 }
 704
 705 int
 706 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 707                 uint8_t len)
 708 {
 709         struct bond_dev_private *internals;
 710
 711         if (valid_bonded_port_id(bonded_port_id) != 0)
 712                 return -1;
 713
 714         if (slaves == NULL)
 715                 return -1;
 716
 717         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 718
 719         if (internals->active_slave_count > len)
 720                 return -1;
 721
 722         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 723
 724         return internals->active_slave_count;
 725 }
 726
 727 int
 728 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 729                 struct ether_addr *mac_addr)
 730 {
 731         struct rte_eth_dev *bonded_eth_dev;
 732         struct bond_dev_private *internals;
 733
 734         if (valid_bonded_port_id(bonded_port_id) != 0)
 735                 return -1;
 736
 737         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 738         internals = bonded_eth_dev->data->dev_private;
 739
 740         /* Set MAC Address of Bonded Device */
 741         if (mac_address_set(bonded_eth_dev, mac_addr))
 742                 return -1;
 743
 744         internals->user_defined_mac = 1;
 745
 746         /* Update all slave devices MACs*/
 747         if (internals->slave_count > 0)
 748                 return mac_address_slaves_update(bonded_eth_dev);
 749
 750         return 0;
 751 }
 752
 753 int
 754 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 755 {
 756         struct rte_eth_dev *bonded_eth_dev;
 757         struct bond_dev_private *internals;
 758
 759         if (valid_bonded_port_id(bonded_port_id) != 0)
 760                 return -1;
 761
 762         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 763         internals = bonded_eth_dev->data->dev_private;
 764
 765         internals->user_defined_mac = 0;
 766
 767         if (internals->slave_count > 0) {
 768                 /* Set MAC Address of Bonded Device */
 769                 if (mac_address_set(bonded_eth_dev,
 770                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 771                                 != 0) {
 772                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 773                         return -1;
 774                 }
 775                 /* Update all slave devices MAC addresses */
 776                 return mac_address_slaves_update(bonded_eth_dev);
 777         }
 778         /* No need to update anything as no slaves present */
 779         return 0;
 780 }
 781
 782 int
 783 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 784 {
 785         struct bond_dev_private *internals;
 786
 787         if (valid_bonded_port_id(bonded_port_id) != 0)
 788                 return -1;
 789
 790         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 791
 792         switch (policy) {
 793         case BALANCE_XMIT_POLICY_LAYER2:
 794                 internals->balance_xmit_policy = policy;
 795                 internals->xmit_hash = xmit_l2_hash;
 796                 break;
 797         case BALANCE_XMIT_POLICY_LAYER23:
 798                 internals->balance_xmit_policy = policy;
 799                 internals->xmit_hash = xmit_l23_hash;
 800                 break;
 801         case BALANCE_XMIT_POLICY_LAYER34:
 802                 internals->balance_xmit_policy = policy;
 803                 internals->xmit_hash = xmit_l34_hash;
 804                 break;
 805
 806         default:
 807                 return -1;
 808         }
 809         return 0;
 810 }
 811
 812 int
 813 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 814 {
 815         struct bond_dev_private *internals;
 816
 817         if (valid_bonded_port_id(bonded_port_id) != 0)
 818                 return -1;
 819
 820         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 821
 822         return internals->balance_xmit_policy;
 823 }
 824
 825 int
 826 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 827 {
 828         struct bond_dev_private *internals;
 829
 830         if (valid_bonded_port_id(bonded_port_id) != 0)
 831                 return -1;
 832
 833         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 834         internals->link_status_polling_interval_ms = internal_ms;
 835
 836         return 0;
 837 }
 838
 839 int
 840 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 841 {
 842         struct bond_dev_private *internals;
 843
 844         if (valid_bonded_port_id(bonded_port_id) != 0)
 845                 return -1;
 846
 847         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 848
 849         return internals->link_status_polling_interval_ms;
 850 }
 851
 852 int
 853 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 854
 855 {
 856         struct bond_dev_private *internals;
 857
 858         if (valid_bonded_port_id(bonded_port_id) != 0)
 859                 return -1;
 860
 861         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 862         internals->link_down_delay_ms = delay_ms;
 863
 864         return 0;
 865 }
 866
 867 int
 868 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 869 {
 870         struct bond_dev_private *internals;
 871
 872         if (valid_bonded_port_id(bonded_port_id) != 0)
 873                 return -1;
 874
 875         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 876
 877         return internals->link_down_delay_ms;
 878 }
 879
 880 int
 881 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 882
 883 {
 884         struct bond_dev_private *internals;
 885
 886         if (valid_bonded_port_id(bonded_port_id) != 0)
 887                 return -1;
 888
 889         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 890         internals->link_up_delay_ms = delay_ms;
 891
 892         return 0;
 893 }
 894
 895 int
 896 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 897 {
 898         struct bond_dev_private *internals;
 899
 900         if (valid_bonded_port_id(bonded_port_id) != 0)
 901                 return -1;
 902
 903         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 904
 905         return internals->link_up_delay_ms;
 906 }