drivers/net/bonding/rte_eth_bond_api.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6
   7 #include <rte_mbuf.h>
   8 #include <rte_malloc.h>
   9 #include <rte_ethdev_driver.h>
  10 #include <rte_tcp.h>
  11 #include <rte_bus_vdev.h>
  12 #include <rte_kvargs.h>
  13
  14 #include "rte_eth_bond.h"
  15 #include "rte_eth_bond_private.h"
  16 #include "rte_eth_bond_8023ad_private.h"
  17
  18 int
  19 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  20 {
  21         /* Check valid pointer */
  22         if (eth_dev == NULL ||
  23                 eth_dev->device == NULL ||
  24                 eth_dev->device->driver == NULL ||
  25                 eth_dev->device->driver->name == NULL)
  26                 return -1;
  27
  28         /* return 0 if driver name matches */
  29         return eth_dev->device->driver->name != pmd_bond_drv.driver.name;
  30 }
  31
  32 int
  33 valid_bonded_port_id(uint16_t port_id)
  34 {
  35         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  36         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
  37 }
  38
  39 int
  40 check_for_master_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  41 {
  42         int i;
  43         struct bond_dev_private *internals;
  44
  45         if (check_for_bonded_ethdev(eth_dev) != 0)
  46                 return 0;
  47
  48         internals = eth_dev->data->dev_private;
  49
  50         /* Check if any of slave devices is a bonded device */
  51         for (i = 0; i < internals->slave_count; i++)
  52                 if (valid_bonded_port_id(internals->slaves[i].port_id) == 0)
  53                         return 1;
  54
  55         return 0;
  56 }
  57
  58 int
  59 valid_slave_port_id(uint16_t port_id, uint8_t mode)
  60 {
  61         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
  62
  63         /* Verify that port_id refers to a non bonded port */
  64         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0 &&
  65                         mode == BONDING_MODE_8023AD) {
  66                 RTE_BOND_LOG(ERR, "Cannot add slave to bonded device in 802.3ad"
  67                                 " mode as slave is also a bonded device, only "
  68                                 "physical devices can be support in this mode.");
  69                 return -1;
  70         }
  71
  72         return 0;
  73 }
  74
  75 void
  76 activate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
  77 {
  78         struct bond_dev_private *internals = eth_dev->data->dev_private;
  79         uint8_t active_count = internals->active_slave_count;
  80
  81         if (internals->mode == BONDING_MODE_8023AD)
  82                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
  83
  84         if (internals->mode == BONDING_MODE_TLB
  85                         || internals->mode == BONDING_MODE_ALB) {
  86
  87                 internals->tlb_slaves_order[active_count] = port_id;
  88         }
  89
  90         RTE_ASSERT(internals->active_slave_count <
  91                         (RTE_DIM(internals->active_slaves) - 1));
  92
  93         internals->active_slaves[internals->active_slave_count] = port_id;
  94         internals->active_slave_count++;
  95
  96         if (internals->mode == BONDING_MODE_TLB)
  97                 bond_tlb_activate_slave(internals);
  98         if (internals->mode == BONDING_MODE_ALB)
  99                 bond_mode_alb_client_list_upd(eth_dev);
 100 }
 101
 102 void
 103 deactivate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
 104 {
 105         uint16_t slave_pos;
 106         struct bond_dev_private *internals = eth_dev->data->dev_private;
 107         uint16_t active_count = internals->active_slave_count;
 108
 109         if (internals->mode == BONDING_MODE_8023AD) {
 110                 bond_mode_8023ad_stop(eth_dev);
 111                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 112         } else if (internals->mode == BONDING_MODE_TLB
 113                         || internals->mode == BONDING_MODE_ALB)
 114                 bond_tlb_disable(internals);
 115
 116         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 117                         port_id);
 118
 119         /* If slave was not at the end of the list
 120          * shift active slaves up active array list */
 121         if (slave_pos < active_count) {
 122                 active_count--;
 123                 memmove(internals->active_slaves + slave_pos,
 124                                 internals->active_slaves + slave_pos + 1,
 125                                 (active_count - slave_pos) *
 126                                         sizeof(internals->active_slaves[0]));
 127         }
 128
 129         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
 130         internals->active_slave_count = active_count;
 131
 132         if (eth_dev->data->dev_started) {
 133                 if (internals->mode == BONDING_MODE_8023AD) {
 134                         bond_mode_8023ad_start(eth_dev);
 135                 } else if (internals->mode == BONDING_MODE_TLB) {
 136                         bond_tlb_enable(internals);
 137                 } else if (internals->mode == BONDING_MODE_ALB) {
 138                         bond_tlb_enable(internals);
 139                         bond_mode_alb_client_list_upd(eth_dev);
 140                 }
 141         }
 142 }
 143
 144 int
 145 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 146 {
 147         struct bond_dev_private *internals;
 148         char devargs[52];
 149         uint16_t port_id;
 150         int ret;
 151
 152         if (name == NULL) {
 153                 RTE_BOND_LOG(ERR, "Invalid name specified");
 154                 return -EINVAL;
 155         }
 156
 157         ret = snprintf(devargs, sizeof(devargs),
 158                 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
 159         if (ret < 0 || ret >= (int)sizeof(devargs))
 160                 return -ENOMEM;
 161
 162         ret = rte_vdev_init(name, devargs);
 163         if (ret)
 164                 return -ENOMEM;
 165
 166         ret = rte_eth_dev_get_port_by_name(name, &port_id);
 167         RTE_ASSERT(!ret);
 168
 169         /*
 170          * To make bond_ethdev_configure() happy we need to free the
 171          * internals->kvlist here.
 172          *
 173          * Also see comment in bond_ethdev_configure().
 174          */
 175         internals = rte_eth_devices[port_id].data->dev_private;
 176         rte_kvargs_free(internals->kvlist);
 177         internals->kvlist = NULL;
 178
 179         return port_id;
 180 }
 181
 182 int
 183 rte_eth_bond_free(const char *name)
 184 {
 185         return rte_vdev_uninit(name);
 186 }
 187
 188 static int
 189 slave_vlan_filter_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 190 {
 191         struct rte_eth_dev *bonded_eth_dev;
 192         struct bond_dev_private *internals;
 193         int found;
 194         int res = 0;
 195         uint64_t slab = 0;
 196         uint32_t pos = 0;
 197         uint16_t first;
 198
 199         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 200         if ((bonded_eth_dev->data->dev_conf.rxmode.offloads &
 201                         DEV_RX_OFFLOAD_VLAN_FILTER) == 0)
 202                 return 0;
 203
 204         internals = bonded_eth_dev->data->dev_private;
 205         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 206         first = pos;
 207
 208         if (!found)
 209                 return 0;
 210
 211         do {
 212                 uint32_t i;
 213                 uint64_t mask;
 214
 215                 for (i = 0, mask = 1;
 216                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 217                      i ++, mask <<= 1) {
 218                         if (unlikely(slab & mask)) {
 219                                 uint16_t vlan_id = pos + i;
 220
 221                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 222                                                               vlan_id, 1);
 223                         }
 224                 }
 225                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 226                                         &pos, &slab);
 227         } while (found && first != pos && res == 0);
 228
 229         return res;
 230 }
 231
 232 static int
 233 slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
 234 {
 235         struct rte_flow *flow;
 236         struct rte_flow_error ferror;
 237         uint16_t slave_port_id = internals->slaves[slave_id].port_id;
 238
 239         if (internals->flow_isolated_valid != 0) {
 240                 rte_eth_dev_stop(slave_port_id);
 241                 if (rte_flow_isolate(slave_port_id, internals->flow_isolated,
 242                     &ferror)) {
 243                         RTE_BOND_LOG(ERR, "rte_flow_isolate failed for slave"
 244                                      " %d: %s", slave_id, ferror.message ?
 245                                      ferror.message : "(no stated reason)");
 246                         return -1;
 247                 }
 248         }
 249         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 250                 flow->flows[slave_id] = rte_flow_create(slave_port_id,
 251                                                         flow->rule.attr,
 252                                                         flow->rule.pattern,
 253                                                         flow->rule.actions,
 254                                                         &ferror);
 255                 if (flow->flows[slave_id] == NULL) {
 256                         RTE_BOND_LOG(ERR, "Cannot create flow for slave"
 257                                      " %d: %s", slave_id,
 258                                      ferror.message ? ferror.message :
 259                                      "(no stated reason)");
 260                         /* Destroy successful bond flows from the slave */
 261                         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 262                                 if (flow->flows[slave_id] != NULL) {
 263                                         rte_flow_destroy(slave_port_id,
 264                                                          flow->flows[slave_id],
 265                                                          &ferror);
 266                                         flow->flows[slave_id] = NULL;
 267                                 }
 268                         }
 269                         return -1;
 270                 }
 271         }
 272         return 0;
 273 }
 274
 275 static void
 276 eth_bond_slave_inherit_dev_info_rx_first(struct bond_dev_private *internals,
 277                                          const struct rte_eth_dev_info *di)
 278 {
 279         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
 280
 281         internals->reta_size = di->reta_size;
 282
 283         /* Inherit Rx offload capabilities from the first slave device */
 284         internals->rx_offload_capa = di->rx_offload_capa;
 285         internals->rx_queue_offload_capa = di->rx_queue_offload_capa;
 286         internals->flow_type_rss_offloads = di->flow_type_rss_offloads;
 287
 288         /* Inherit maximum Rx packet size from the first slave device */
 289         internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
 290
 291         /* Inherit default Rx queue settings from the first slave device */
 292         memcpy(rxconf_i, &di->default_rxconf, sizeof(*rxconf_i));
 293
 294         /*
 295          * Turn off descriptor prefetch and writeback by default for all
 296          * slave devices. Applications may tweak this setting if need be.
 297          */
 298         rxconf_i->rx_thresh.pthresh = 0;
 299         rxconf_i->rx_thresh.hthresh = 0;
 300         rxconf_i->rx_thresh.wthresh = 0;
 301
 302         /* Setting this to zero should effectively enable default values */
 303         rxconf_i->rx_free_thresh = 0;
 304
 305         /* Disable deferred start by default for all slave devices */
 306         rxconf_i->rx_deferred_start = 0;
 307 }
 308
 309 static void
 310 eth_bond_slave_inherit_dev_info_tx_first(struct bond_dev_private *internals,
 311                                          const struct rte_eth_dev_info *di)
 312 {
 313         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
 314
 315         /* Inherit Tx offload capabilities from the first slave device */
 316         internals->tx_offload_capa = di->tx_offload_capa;
 317         internals->tx_queue_offload_capa = di->tx_queue_offload_capa;
 318
 319         /* Inherit default Tx queue settings from the first slave device */
 320         memcpy(txconf_i, &di->default_txconf, sizeof(*txconf_i));
 321
 322         /*
 323          * Turn off descriptor prefetch and writeback by default for all
 324          * slave devices. Applications may tweak this setting if need be.
 325          */
 326         txconf_i->tx_thresh.pthresh = 0;
 327         txconf_i->tx_thresh.hthresh = 0;
 328         txconf_i->tx_thresh.wthresh = 0;
 329
 330         /*
 331          * Setting these parameters to zero assumes that default
 332          * values will be configured implicitly by slave devices.
 333          */
 334         txconf_i->tx_free_thresh = 0;
 335         txconf_i->tx_rs_thresh = 0;
 336
 337         /* Disable deferred start by default for all slave devices */
 338         txconf_i->tx_deferred_start = 0;
 339 }
 340
 341 static void
 342 eth_bond_slave_inherit_dev_info_rx_next(struct bond_dev_private *internals,
 343                                         const struct rte_eth_dev_info *di)
 344 {
 345         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
 346         const struct rte_eth_rxconf *rxconf = &di->default_rxconf;
 347
 348         internals->rx_offload_capa &= di->rx_offload_capa;
 349         internals->rx_queue_offload_capa &= di->rx_queue_offload_capa;
 350         internals->flow_type_rss_offloads &= di->flow_type_rss_offloads;
 351
 352         /*
 353          * If at least one slave device suggests enabling this
 354          * setting by default, enable it for all slave devices
 355          * since disabling it may not be necessarily supported.
 356          */
 357         if (rxconf->rx_drop_en == 1)
 358                 rxconf_i->rx_drop_en = 1;
 359
 360         /*
 361          * Adding a new slave device may cause some of previously inherited
 362          * offloads to be withdrawn from the internal rx_queue_offload_capa
 363          * value. Thus, the new internal value of default Rx queue offloads
 364          * has to be masked by rx_queue_offload_capa to make sure that only
 365          * commonly supported offloads are preserved from both the previous
 366          * value and the value being inhereted from the new slave device.
 367          */
 368         rxconf_i->offloads = (rxconf_i->offloads | rxconf->offloads) &
 369                              internals->rx_queue_offload_capa;
 370
 371         /*
 372          * RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 373          * the power of 2, the lower one is GCD
 374          */
 375         if (internals->reta_size > di->reta_size)
 376                 internals->reta_size = di->reta_size;
 377
 378         if (!internals->max_rx_pktlen &&
 379             di->max_rx_pktlen < internals->candidate_max_rx_pktlen)
 380                 internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
 381 }
 382
 383 static void
 384 eth_bond_slave_inherit_dev_info_tx_next(struct bond_dev_private *internals,
 385                                         const struct rte_eth_dev_info *di)
 386 {
 387         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
 388         const struct rte_eth_txconf *txconf = &di->default_txconf;
 389
 390         internals->tx_offload_capa &= di->tx_offload_capa;
 391         internals->tx_queue_offload_capa &= di->tx_queue_offload_capa;
 392
 393         /*
 394          * Adding a new slave device may cause some of previously inherited
 395          * offloads to be withdrawn from the internal tx_queue_offload_capa
 396          * value. Thus, the new internal value of default Tx queue offloads
 397          * has to be masked by tx_queue_offload_capa to make sure that only
 398          * commonly supported offloads are preserved from both the previous
 399          * value and the value being inhereted from the new slave device.
 400          */
 401         txconf_i->offloads = (txconf_i->offloads | txconf->offloads) &
 402                              internals->tx_queue_offload_capa;
 403 }
 404
 405 static void
 406 eth_bond_slave_inherit_desc_lim_first(struct rte_eth_desc_lim *bond_desc_lim,
 407                 const struct rte_eth_desc_lim *slave_desc_lim)
 408 {
 409         memcpy(bond_desc_lim, slave_desc_lim, sizeof(*bond_desc_lim));
 410 }
 411
 412 static int
 413 eth_bond_slave_inherit_desc_lim_next(struct rte_eth_desc_lim *bond_desc_lim,
 414                 const struct rte_eth_desc_lim *slave_desc_lim)
 415 {
 416         bond_desc_lim->nb_max = RTE_MIN(bond_desc_lim->nb_max,
 417                                         slave_desc_lim->nb_max);
 418         bond_desc_lim->nb_min = RTE_MAX(bond_desc_lim->nb_min,
 419                                         slave_desc_lim->nb_min);
 420         bond_desc_lim->nb_align = RTE_MAX(bond_desc_lim->nb_align,
 421                                           slave_desc_lim->nb_align);
 422
 423         if (bond_desc_lim->nb_min > bond_desc_lim->nb_max ||
 424             bond_desc_lim->nb_align > bond_desc_lim->nb_max) {
 425                 RTE_BOND_LOG(ERR, "Failed to inherit descriptor limits");
 426                 return -EINVAL;
 427         }
 428
 429         /* Treat maximum number of segments equal to 0 as unspecified */
 430         if (slave_desc_lim->nb_seg_max != 0 &&
 431             (bond_desc_lim->nb_seg_max == 0 ||
 432              slave_desc_lim->nb_seg_max < bond_desc_lim->nb_seg_max))
 433                 bond_desc_lim->nb_seg_max = slave_desc_lim->nb_seg_max;
 434         if (slave_desc_lim->nb_mtu_seg_max != 0 &&
 435             (bond_desc_lim->nb_mtu_seg_max == 0 ||
 436              slave_desc_lim->nb_mtu_seg_max < bond_desc_lim->nb_mtu_seg_max))
 437                 bond_desc_lim->nb_mtu_seg_max = slave_desc_lim->nb_mtu_seg_max;
 438
 439         return 0;
 440 }
 441
 442 static int
 443 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
 444 {
 445         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 446         struct bond_dev_private *internals;
 447         struct rte_eth_link link_props;
 448         struct rte_eth_dev_info dev_info;
 449
 450         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 451         internals = bonded_eth_dev->data->dev_private;
 452
 453         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 454                 return -1;
 455
 456         slave_eth_dev = &rte_eth_devices[slave_port_id];
 457         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 458                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 459                 return -1;
 460         }
 461
 462         rte_eth_dev_info_get(slave_port_id, &dev_info);
 463         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 464                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 465                              slave_port_id);
 466                 return -1;
 467         }
 468
 469         slave_add(internals, slave_eth_dev);
 470
 471         /* We need to store slaves reta_size to be able to synchronize RETA for all
 472          * slave devices even if its sizes are different.
 473          */
 474         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 475
 476         if (internals->slave_count < 1) {
 477                 /* if MAC is not user defined then use MAC of first slave add to
 478                  * bonded device */
 479                 if (!internals->user_defined_mac) {
 480                         if (mac_address_set(bonded_eth_dev,
 481                                             slave_eth_dev->data->mac_addrs)) {
 482                                 RTE_BOND_LOG(ERR, "Failed to set MAC address");
 483                                 return -1;
 484                         }
 485                 }
 486
 487                 /* Make primary slave */
 488                 internals->primary_port = slave_port_id;
 489                 internals->current_primary_port = slave_port_id;
 490
 491                 /* Inherit queues settings from first slave */
 492                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 493                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 494
 495                 eth_bond_slave_inherit_dev_info_rx_first(internals, &dev_info);
 496                 eth_bond_slave_inherit_dev_info_tx_first(internals, &dev_info);
 497
 498                 eth_bond_slave_inherit_desc_lim_first(&internals->rx_desc_lim,
 499                                                       &dev_info.rx_desc_lim);
 500                 eth_bond_slave_inherit_desc_lim_first(&internals->tx_desc_lim,
 501                                                       &dev_info.tx_desc_lim);
 502         } else {
 503                 int ret;
 504
 505                 eth_bond_slave_inherit_dev_info_rx_next(internals, &dev_info);
 506                 eth_bond_slave_inherit_dev_info_tx_next(internals, &dev_info);
 507
 508                 ret = eth_bond_slave_inherit_desc_lim_next(
 509                                 &internals->rx_desc_lim, &dev_info.rx_desc_lim);
 510                 if (ret != 0)
 511                         return ret;
 512
 513                 ret = eth_bond_slave_inherit_desc_lim_next(
 514                                 &internals->tx_desc_lim, &dev_info.tx_desc_lim);
 515                 if (ret != 0)
 516                         return ret;
 517         }
 518
 519         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 520                         internals->flow_type_rss_offloads;
 521
 522         if (slave_rte_flow_prepare(internals->slave_count, internals) != 0) {
 523                 RTE_BOND_LOG(ERR, "Failed to prepare new slave flows: port=%d",
 524                              slave_port_id);
 525                 return -1;
 526         }
 527
 528         /* Add additional MAC addresses to the slave */
 529         if (slave_add_mac_addresses(bonded_eth_dev, slave_port_id) != 0) {
 530                 RTE_BOND_LOG(ERR, "Failed to add mac address(es) to slave %hu",
 531                                 slave_port_id);
 532                 return -1;
 533         }
 534
 535         internals->slave_count++;
 536
 537         if (bonded_eth_dev->data->dev_started) {
 538                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 539                         internals->slave_count--;
 540                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 541                                         slave_port_id);
 542                         return -1;
 543                 }
 544         }
 545
 546         /* Add slave details to bonded device */
 547         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 548
 549         /* Update all slave devices MACs */
 550         mac_address_slaves_update(bonded_eth_dev);
 551
 552         /* Register link status change callback with bonded device pointer as
 553          * argument*/
 554         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 555                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 556
 557         /* If bonded device is started then we can add the slave to our active
 558          * slave array */
 559         if (bonded_eth_dev->data->dev_started) {
 560                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 561
 562                  if (link_props.link_status == ETH_LINK_UP) {
 563                         if (internals->active_slave_count == 0 &&
 564                             !internals->user_defined_primary_port)
 565                                 bond_ethdev_primary_set(internals,
 566                                                         slave_port_id);
 567                 }
 568         }
 569
 570         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 571
 572         return 0;
 573
 574 }
 575
 576 int
 577 rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id)
 578 {
 579         struct rte_eth_dev *bonded_eth_dev;
 580         struct bond_dev_private *internals;
 581
 582         int retval;
 583
 584         /* Verify that port id's are valid bonded and slave ports */
 585         if (valid_bonded_port_id(bonded_port_id) != 0)
 586                 return -1;
 587
 588         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 589         internals = bonded_eth_dev->data->dev_private;
 590
 591         rte_spinlock_lock(&internals->lock);
 592
 593         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 594
 595         rte_spinlock_unlock(&internals->lock);
 596
 597         return retval;
 598 }
 599
 600 static int
 601 __eth_bond_slave_remove_lock_free(uint16_t bonded_port_id,
 602                                    uint16_t slave_port_id)
 603 {
 604         struct rte_eth_dev *bonded_eth_dev;
 605         struct bond_dev_private *internals;
 606         struct rte_eth_dev *slave_eth_dev;
 607         struct rte_flow_error flow_error;
 608         struct rte_flow *flow;
 609         int i, slave_idx;
 610
 611         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 612         internals = bonded_eth_dev->data->dev_private;
 613
 614         if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
 615                 return -1;
 616
 617         /* first remove from active slave list */
 618         slave_idx = find_slave_by_id(internals->active_slaves,
 619                 internals->active_slave_count, slave_port_id);
 620
 621         if (slave_idx < internals->active_slave_count)
 622                 deactivate_slave(bonded_eth_dev, slave_port_id);
 623
 624         slave_idx = -1;
 625         /* now find in slave list */
 626         for (i = 0; i < internals->slave_count; i++)
 627                 if (internals->slaves[i].port_id == slave_port_id) {
 628                         slave_idx = i;
 629                         break;
 630                 }
 631
 632         if (slave_idx < 0) {
 633                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 634                                 internals->slave_count);
 635                 return -1;
 636         }
 637
 638         /* Un-register link status change callback with bonded device pointer as
 639          * argument*/
 640         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 641                         bond_ethdev_lsc_event_callback,
 642                         &rte_eth_devices[bonded_port_id].data->port_id);
 643
 644         /* Restore original MAC address of slave device */
 645         rte_eth_dev_default_mac_addr_set(slave_port_id,
 646                         &(internals->slaves[slave_idx].persisted_mac_addr));
 647
 648         /* remove additional MAC addresses from the slave */
 649         slave_remove_mac_addresses(bonded_eth_dev, slave_port_id);
 650
 651         /*
 652          * Remove bond device flows from slave device.
 653          * Note: don't restore flow isolate mode.
 654          */
 655         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 656                 if (flow->flows[slave_idx] != NULL) {
 657                         rte_flow_destroy(slave_port_id, flow->flows[slave_idx],
 658                                          &flow_error);
 659                         flow->flows[slave_idx] = NULL;
 660                 }
 661         }
 662
 663         slave_eth_dev = &rte_eth_devices[slave_port_id];
 664         slave_remove(internals, slave_eth_dev);
 665         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 666
 667         /*  first slave in the active list will be the primary by default,
 668          *  otherwise use first device in list */
 669         if (internals->current_primary_port == slave_port_id) {
 670                 if (internals->active_slave_count > 0)
 671                         internals->current_primary_port = internals->active_slaves[0];
 672                 else if (internals->slave_count > 0)
 673                         internals->current_primary_port = internals->slaves[0].port_id;
 674                 else
 675                         internals->primary_port = 0;
 676         }
 677
 678         if (internals->active_slave_count < 1) {
 679                 /* if no slaves are any longer attached to bonded device and MAC is not
 680                  * user defined then clear MAC of bonded device as it will be reset
 681                  * when a new slave is added */
 682                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 683                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 684                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 685         }
 686         if (internals->slave_count == 0) {
 687                 internals->rx_offload_capa = 0;
 688                 internals->tx_offload_capa = 0;
 689                 internals->rx_queue_offload_capa = 0;
 690                 internals->tx_queue_offload_capa = 0;
 691                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 692                 internals->reta_size = 0;
 693                 internals->candidate_max_rx_pktlen = 0;
 694                 internals->max_rx_pktlen = 0;
 695         }
 696         return 0;
 697 }
 698
 699 int
 700 rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id)
 701 {
 702         struct rte_eth_dev *bonded_eth_dev;
 703         struct bond_dev_private *internals;
 704         int retval;
 705
 706         if (valid_bonded_port_id(bonded_port_id) != 0)
 707                 return -1;
 708
 709         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 710         internals = bonded_eth_dev->data->dev_private;
 711
 712         rte_spinlock_lock(&internals->lock);
 713
 714         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 715
 716         rte_spinlock_unlock(&internals->lock);
 717
 718         return retval;
 719 }
 720
 721 int
 722 rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode)
 723 {
 724         struct rte_eth_dev *bonded_eth_dev;
 725
 726         if (valid_bonded_port_id(bonded_port_id) != 0)
 727                 return -1;
 728
 729         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 730
 731         if (check_for_master_bonded_ethdev(bonded_eth_dev) != 0 &&
 732                         mode == BONDING_MODE_8023AD)
 733                 return -1;
 734
 735         return bond_ethdev_mode_set(bonded_eth_dev, mode);
 736 }
 737
 738 int
 739 rte_eth_bond_mode_get(uint16_t bonded_port_id)
 740 {
 741         struct bond_dev_private *internals;
 742
 743         if (valid_bonded_port_id(bonded_port_id) != 0)
 744                 return -1;
 745
 746         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 747
 748         return internals->mode;
 749 }
 750
 751 int
 752 rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 753 {
 754         struct bond_dev_private *internals;
 755
 756         if (valid_bonded_port_id(bonded_port_id) != 0)
 757                 return -1;
 758
 759         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 760
 761         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 762                 return -1;
 763
 764         internals->user_defined_primary_port = 1;
 765         internals->primary_port = slave_port_id;
 766
 767         bond_ethdev_primary_set(internals, slave_port_id);
 768
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_bond_primary_get(uint16_t bonded_port_id)
 774 {
 775         struct bond_dev_private *internals;
 776
 777         if (valid_bonded_port_id(bonded_port_id) != 0)
 778                 return -1;
 779
 780         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 781
 782         if (internals->slave_count < 1)
 783                 return -1;
 784
 785         return internals->current_primary_port;
 786 }
 787
 788 int
 789 rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 790                         uint16_t len)
 791 {
 792         struct bond_dev_private *internals;
 793         uint8_t i;
 794
 795         if (valid_bonded_port_id(bonded_port_id) != 0)
 796                 return -1;
 797
 798         if (slaves == NULL)
 799                 return -1;
 800
 801         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 802
 803         if (internals->slave_count > len)
 804                 return -1;
 805
 806         for (i = 0; i < internals->slave_count; i++)
 807                 slaves[i] = internals->slaves[i].port_id;
 808
 809         return internals->slave_count;
 810 }
 811
 812 int
 813 rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 814                 uint16_t len)
 815 {
 816         struct bond_dev_private *internals;
 817
 818         if (valid_bonded_port_id(bonded_port_id) != 0)
 819                 return -1;
 820
 821         if (slaves == NULL)
 822                 return -1;
 823
 824         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 825
 826         if (internals->active_slave_count > len)
 827                 return -1;
 828
 829         memcpy(slaves, internals->active_slaves,
 830         internals->active_slave_count * sizeof(internals->active_slaves[0]));
 831
 832         return internals->active_slave_count;
 833 }
 834
 835 int
 836 rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
 837                 struct ether_addr *mac_addr)
 838 {
 839         struct rte_eth_dev *bonded_eth_dev;
 840         struct bond_dev_private *internals;
 841
 842         if (valid_bonded_port_id(bonded_port_id) != 0)
 843                 return -1;
 844
 845         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 846         internals = bonded_eth_dev->data->dev_private;
 847
 848         /* Set MAC Address of Bonded Device */
 849         if (mac_address_set(bonded_eth_dev, mac_addr))
 850                 return -1;
 851
 852         internals->user_defined_mac = 1;
 853
 854         /* Update all slave devices MACs*/
 855         if (internals->slave_count > 0)
 856                 return mac_address_slaves_update(bonded_eth_dev);
 857
 858         return 0;
 859 }
 860
 861 int
 862 rte_eth_bond_mac_address_reset(uint16_t bonded_port_id)
 863 {
 864         struct rte_eth_dev *bonded_eth_dev;
 865         struct bond_dev_private *internals;
 866
 867         if (valid_bonded_port_id(bonded_port_id) != 0)
 868                 return -1;
 869
 870         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 871         internals = bonded_eth_dev->data->dev_private;
 872
 873         internals->user_defined_mac = 0;
 874
 875         if (internals->slave_count > 0) {
 876                 int slave_port;
 877                 /* Get the primary slave location based on the primary port
 878                  * number as, while slave_add(), we will keep the primary
 879                  * slave based on slave_count,but not based on the primary port.
 880                  */
 881                 for (slave_port = 0; slave_port < internals->slave_count;
 882                      slave_port++) {
 883                         if (internals->slaves[slave_port].port_id ==
 884                             internals->primary_port)
 885                                 break;
 886                 }
 887
 888                 /* Set MAC Address of Bonded Device */
 889                 if (mac_address_set(bonded_eth_dev,
 890                         &internals->slaves[slave_port].persisted_mac_addr)
 891                                 != 0) {
 892                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 893                         return -1;
 894                 }
 895                 /* Update all slave devices MAC addresses */
 896                 return mac_address_slaves_update(bonded_eth_dev);
 897         }
 898         /* No need to update anything as no slaves present */
 899         return 0;
 900 }
 901
 902 int
 903 rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy)
 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         switch (policy) {
 913         case BALANCE_XMIT_POLICY_LAYER2:
 914                 internals->balance_xmit_policy = policy;
 915                 internals->burst_xmit_hash = burst_xmit_l2_hash;
 916                 break;
 917         case BALANCE_XMIT_POLICY_LAYER23:
 918                 internals->balance_xmit_policy = policy;
 919                 internals->burst_xmit_hash = burst_xmit_l23_hash;
 920                 break;
 921         case BALANCE_XMIT_POLICY_LAYER34:
 922                 internals->balance_xmit_policy = policy;
 923                 internals->burst_xmit_hash = burst_xmit_l34_hash;
 924                 break;
 925
 926         default:
 927                 return -1;
 928         }
 929         return 0;
 930 }
 931
 932 int
 933 rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id)
 934 {
 935         struct bond_dev_private *internals;
 936
 937         if (valid_bonded_port_id(bonded_port_id) != 0)
 938                 return -1;
 939
 940         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 941
 942         return internals->balance_xmit_policy;
 943 }
 944
 945 int
 946 rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms)
 947 {
 948         struct bond_dev_private *internals;
 949
 950         if (valid_bonded_port_id(bonded_port_id) != 0)
 951                 return -1;
 952
 953         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 954         internals->link_status_polling_interval_ms = internal_ms;
 955
 956         return 0;
 957 }
 958
 959 int
 960 rte_eth_bond_link_monitoring_get(uint16_t bonded_port_id)
 961 {
 962         struct bond_dev_private *internals;
 963
 964         if (valid_bonded_port_id(bonded_port_id) != 0)
 965                 return -1;
 966
 967         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 968
 969         return internals->link_status_polling_interval_ms;
 970 }
 971
 972 int
 973 rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
 974                                        uint32_t delay_ms)
 975
 976 {
 977         struct bond_dev_private *internals;
 978
 979         if (valid_bonded_port_id(bonded_port_id) != 0)
 980                 return -1;
 981
 982         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 983         internals->link_down_delay_ms = delay_ms;
 984
 985         return 0;
 986 }
 987
 988 int
 989 rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id)
 990 {
 991         struct bond_dev_private *internals;
 992
 993         if (valid_bonded_port_id(bonded_port_id) != 0)
 994                 return -1;
 995
 996         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 997
 998         return internals->link_down_delay_ms;
 999 }
1000
1001 int
1002 rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id, uint32_t delay_ms)
1003
1004 {
1005         struct bond_dev_private *internals;
1006
1007         if (valid_bonded_port_id(bonded_port_id) != 0)
1008                 return -1;
1009
1010         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1011         internals->link_up_delay_ms = delay_ms;
1012
1013         return 0;
1014 }
1015
1016 int
1017 rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id)
1018 {
1019         struct bond_dev_private *internals;
1020
1021         if (valid_bonded_port_id(bonded_port_id) != 0)
1022                 return -1;
1023
1024         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1025
1026         return internals->link_up_delay_ms;
1027 }