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         /* Resetting active_slave when reaches to max
 133          * no of slaves in active list
 134          */
 135         if (internals->active_slave >= active_count)
 136                 internals->active_slave = 0;
 137
 138         if (eth_dev->data->dev_started) {
 139                 if (internals->mode == BONDING_MODE_8023AD) {
 140                         bond_mode_8023ad_start(eth_dev);
 141                 } else if (internals->mode == BONDING_MODE_TLB) {
 142                         bond_tlb_enable(internals);
 143                 } else if (internals->mode == BONDING_MODE_ALB) {
 144                         bond_tlb_enable(internals);
 145                         bond_mode_alb_client_list_upd(eth_dev);
 146                 }
 147         }
 148 }
 149
 150 int
 151 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 152 {
 153         struct bond_dev_private *internals;
 154         char devargs[52];
 155         uint16_t port_id;
 156         int ret;
 157
 158         if (name == NULL) {
 159                 RTE_BOND_LOG(ERR, "Invalid name specified");
 160                 return -EINVAL;
 161         }
 162
 163         ret = snprintf(devargs, sizeof(devargs),
 164                 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
 165         if (ret < 0 || ret >= (int)sizeof(devargs))
 166                 return -ENOMEM;
 167
 168         ret = rte_vdev_init(name, devargs);
 169         if (ret)
 170                 return -ENOMEM;
 171
 172         ret = rte_eth_dev_get_port_by_name(name, &port_id);
 173         RTE_ASSERT(!ret);
 174
 175         /*
 176          * To make bond_ethdev_configure() happy we need to free the
 177          * internals->kvlist here.
 178          *
 179          * Also see comment in bond_ethdev_configure().
 180          */
 181         internals = rte_eth_devices[port_id].data->dev_private;
 182         rte_kvargs_free(internals->kvlist);
 183         internals->kvlist = NULL;
 184
 185         return port_id;
 186 }
 187
 188 int
 189 rte_eth_bond_free(const char *name)
 190 {
 191         return rte_vdev_uninit(name);
 192 }
 193
 194 static int
 195 slave_vlan_filter_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 196 {
 197         struct rte_eth_dev *bonded_eth_dev;
 198         struct bond_dev_private *internals;
 199         int found;
 200         int res = 0;
 201         uint64_t slab = 0;
 202         uint32_t pos = 0;
 203         uint16_t first;
 204
 205         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 206         if ((bonded_eth_dev->data->dev_conf.rxmode.offloads &
 207                         DEV_RX_OFFLOAD_VLAN_FILTER) == 0)
 208                 return 0;
 209
 210         internals = bonded_eth_dev->data->dev_private;
 211         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
 212         first = pos;
 213
 214         if (!found)
 215                 return 0;
 216
 217         do {
 218                 uint32_t i;
 219                 uint64_t mask;
 220
 221                 for (i = 0, mask = 1;
 222                      i < RTE_BITMAP_SLAB_BIT_SIZE;
 223                      i ++, mask <<= 1) {
 224                         if (unlikely(slab & mask)) {
 225                                 uint16_t vlan_id = pos + i;
 226
 227                                 res = rte_eth_dev_vlan_filter(slave_port_id,
 228                                                               vlan_id, 1);
 229                         }
 230                 }
 231                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
 232                                         &pos, &slab);
 233         } while (found && first != pos && res == 0);
 234
 235         return res;
 236 }
 237
 238 static int
 239 slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
 240 {
 241         struct rte_flow *flow;
 242         struct rte_flow_error ferror;
 243         uint16_t slave_port_id = internals->slaves[slave_id].port_id;
 244
 245         if (internals->flow_isolated_valid != 0) {
 246                 rte_eth_dev_stop(slave_port_id);
 247                 if (rte_flow_isolate(slave_port_id, internals->flow_isolated,
 248                     &ferror)) {
 249                         RTE_BOND_LOG(ERR, "rte_flow_isolate failed for slave"
 250                                      " %d: %s", slave_id, ferror.message ?
 251                                      ferror.message : "(no stated reason)");
 252                         return -1;
 253                 }
 254         }
 255         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 256                 flow->flows[slave_id] = rte_flow_create(slave_port_id,
 257                                                         flow->rule.attr,
 258                                                         flow->rule.pattern,
 259                                                         flow->rule.actions,
 260                                                         &ferror);
 261                 if (flow->flows[slave_id] == NULL) {
 262                         RTE_BOND_LOG(ERR, "Cannot create flow for slave"
 263                                      " %d: %s", slave_id,
 264                                      ferror.message ? ferror.message :
 265                                      "(no stated reason)");
 266                         /* Destroy successful bond flows from the slave */
 267                         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 268                                 if (flow->flows[slave_id] != NULL) {
 269                                         rte_flow_destroy(slave_port_id,
 270                                                          flow->flows[slave_id],
 271                                                          &ferror);
 272                                         flow->flows[slave_id] = NULL;
 273                                 }
 274                         }
 275                         return -1;
 276                 }
 277         }
 278         return 0;
 279 }
 280
 281 static void
 282 eth_bond_slave_inherit_dev_info_rx_first(struct bond_dev_private *internals,
 283                                          const struct rte_eth_dev_info *di)
 284 {
 285         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
 286
 287         internals->reta_size = di->reta_size;
 288
 289         /* Inherit Rx offload capabilities from the first slave device */
 290         internals->rx_offload_capa = di->rx_offload_capa;
 291         internals->rx_queue_offload_capa = di->rx_queue_offload_capa;
 292         internals->flow_type_rss_offloads = di->flow_type_rss_offloads;
 293
 294         /* Inherit maximum Rx packet size from the first slave device */
 295         internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
 296
 297         /* Inherit default Rx queue settings from the first slave device */
 298         memcpy(rxconf_i, &di->default_rxconf, sizeof(*rxconf_i));
 299
 300         /*
 301          * Turn off descriptor prefetch and writeback by default for all
 302          * slave devices. Applications may tweak this setting if need be.
 303          */
 304         rxconf_i->rx_thresh.pthresh = 0;
 305         rxconf_i->rx_thresh.hthresh = 0;
 306         rxconf_i->rx_thresh.wthresh = 0;
 307
 308         /* Setting this to zero should effectively enable default values */
 309         rxconf_i->rx_free_thresh = 0;
 310
 311         /* Disable deferred start by default for all slave devices */
 312         rxconf_i->rx_deferred_start = 0;
 313 }
 314
 315 static void
 316 eth_bond_slave_inherit_dev_info_tx_first(struct bond_dev_private *internals,
 317                                          const struct rte_eth_dev_info *di)
 318 {
 319         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
 320
 321         /* Inherit Tx offload capabilities from the first slave device */
 322         internals->tx_offload_capa = di->tx_offload_capa;
 323         internals->tx_queue_offload_capa = di->tx_queue_offload_capa;
 324
 325         /* Inherit default Tx queue settings from the first slave device */
 326         memcpy(txconf_i, &di->default_txconf, sizeof(*txconf_i));
 327
 328         /*
 329          * Turn off descriptor prefetch and writeback by default for all
 330          * slave devices. Applications may tweak this setting if need be.
 331          */
 332         txconf_i->tx_thresh.pthresh = 0;
 333         txconf_i->tx_thresh.hthresh = 0;
 334         txconf_i->tx_thresh.wthresh = 0;
 335
 336         /*
 337          * Setting these parameters to zero assumes that default
 338          * values will be configured implicitly by slave devices.
 339          */
 340         txconf_i->tx_free_thresh = 0;
 341         txconf_i->tx_rs_thresh = 0;
 342
 343         /* Disable deferred start by default for all slave devices */
 344         txconf_i->tx_deferred_start = 0;
 345 }
 346
 347 static void
 348 eth_bond_slave_inherit_dev_info_rx_next(struct bond_dev_private *internals,
 349                                         const struct rte_eth_dev_info *di)
 350 {
 351         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
 352         const struct rte_eth_rxconf *rxconf = &di->default_rxconf;
 353
 354         internals->rx_offload_capa &= di->rx_offload_capa;
 355         internals->rx_queue_offload_capa &= di->rx_queue_offload_capa;
 356         internals->flow_type_rss_offloads &= di->flow_type_rss_offloads;
 357
 358         /*
 359          * If at least one slave device suggests enabling this
 360          * setting by default, enable it for all slave devices
 361          * since disabling it may not be necessarily supported.
 362          */
 363         if (rxconf->rx_drop_en == 1)
 364                 rxconf_i->rx_drop_en = 1;
 365
 366         /*
 367          * Adding a new slave device may cause some of previously inherited
 368          * offloads to be withdrawn from the internal rx_queue_offload_capa
 369          * value. Thus, the new internal value of default Rx queue offloads
 370          * has to be masked by rx_queue_offload_capa to make sure that only
 371          * commonly supported offloads are preserved from both the previous
 372          * value and the value being inhereted from the new slave device.
 373          */
 374         rxconf_i->offloads = (rxconf_i->offloads | rxconf->offloads) &
 375                              internals->rx_queue_offload_capa;
 376
 377         /*
 378          * RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
 379          * the power of 2, the lower one is GCD
 380          */
 381         if (internals->reta_size > di->reta_size)
 382                 internals->reta_size = di->reta_size;
 383
 384         if (!internals->max_rx_pktlen &&
 385             di->max_rx_pktlen < internals->candidate_max_rx_pktlen)
 386                 internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
 387 }
 388
 389 static void
 390 eth_bond_slave_inherit_dev_info_tx_next(struct bond_dev_private *internals,
 391                                         const struct rte_eth_dev_info *di)
 392 {
 393         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
 394         const struct rte_eth_txconf *txconf = &di->default_txconf;
 395
 396         internals->tx_offload_capa &= di->tx_offload_capa;
 397         internals->tx_queue_offload_capa &= di->tx_queue_offload_capa;
 398
 399         /*
 400          * Adding a new slave device may cause some of previously inherited
 401          * offloads to be withdrawn from the internal tx_queue_offload_capa
 402          * value. Thus, the new internal value of default Tx queue offloads
 403          * has to be masked by tx_queue_offload_capa to make sure that only
 404          * commonly supported offloads are preserved from both the previous
 405          * value and the value being inhereted from the new slave device.
 406          */
 407         txconf_i->offloads = (txconf_i->offloads | txconf->offloads) &
 408                              internals->tx_queue_offload_capa;
 409 }
 410
 411 static void
 412 eth_bond_slave_inherit_desc_lim_first(struct rte_eth_desc_lim *bond_desc_lim,
 413                 const struct rte_eth_desc_lim *slave_desc_lim)
 414 {
 415         memcpy(bond_desc_lim, slave_desc_lim, sizeof(*bond_desc_lim));
 416 }
 417
 418 static int
 419 eth_bond_slave_inherit_desc_lim_next(struct rte_eth_desc_lim *bond_desc_lim,
 420                 const struct rte_eth_desc_lim *slave_desc_lim)
 421 {
 422         bond_desc_lim->nb_max = RTE_MIN(bond_desc_lim->nb_max,
 423                                         slave_desc_lim->nb_max);
 424         bond_desc_lim->nb_min = RTE_MAX(bond_desc_lim->nb_min,
 425                                         slave_desc_lim->nb_min);
 426         bond_desc_lim->nb_align = RTE_MAX(bond_desc_lim->nb_align,
 427                                           slave_desc_lim->nb_align);
 428
 429         if (bond_desc_lim->nb_min > bond_desc_lim->nb_max ||
 430             bond_desc_lim->nb_align > bond_desc_lim->nb_max) {
 431                 RTE_BOND_LOG(ERR, "Failed to inherit descriptor limits");
 432                 return -EINVAL;
 433         }
 434
 435         /* Treat maximum number of segments equal to 0 as unspecified */
 436         if (slave_desc_lim->nb_seg_max != 0 &&
 437             (bond_desc_lim->nb_seg_max == 0 ||
 438              slave_desc_lim->nb_seg_max < bond_desc_lim->nb_seg_max))
 439                 bond_desc_lim->nb_seg_max = slave_desc_lim->nb_seg_max;
 440         if (slave_desc_lim->nb_mtu_seg_max != 0 &&
 441             (bond_desc_lim->nb_mtu_seg_max == 0 ||
 442              slave_desc_lim->nb_mtu_seg_max < bond_desc_lim->nb_mtu_seg_max))
 443                 bond_desc_lim->nb_mtu_seg_max = slave_desc_lim->nb_mtu_seg_max;
 444
 445         return 0;
 446 }
 447
 448 static int
 449 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
 450 {
 451         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 452         struct bond_dev_private *internals;
 453         struct rte_eth_link link_props;
 454         struct rte_eth_dev_info dev_info;
 455
 456         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 457         internals = bonded_eth_dev->data->dev_private;
 458
 459         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 460                 return -1;
 461
 462         slave_eth_dev = &rte_eth_devices[slave_port_id];
 463         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
 464                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
 465                 return -1;
 466         }
 467
 468         rte_eth_dev_info_get(slave_port_id, &dev_info);
 469         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
 470                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
 471                              slave_port_id);
 472                 return -1;
 473         }
 474
 475         slave_add(internals, slave_eth_dev);
 476
 477         /* We need to store slaves reta_size to be able to synchronize RETA for all
 478          * slave devices even if its sizes are different.
 479          */
 480         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
 481
 482         if (internals->slave_count < 1) {
 483                 /* if MAC is not user defined then use MAC of first slave add to
 484                  * bonded device */
 485                 if (!internals->user_defined_mac) {
 486                         if (mac_address_set(bonded_eth_dev,
 487                                             slave_eth_dev->data->mac_addrs)) {
 488                                 RTE_BOND_LOG(ERR, "Failed to set MAC address");
 489                                 return -1;
 490                         }
 491                 }
 492
 493                 /* Inherit eth dev link properties from first slave */
 494                 link_properties_set(bonded_eth_dev,
 495                                 &(slave_eth_dev->data->dev_link));
 496
 497                 /* Make primary slave */
 498                 internals->primary_port = slave_port_id;
 499                 internals->current_primary_port = slave_port_id;
 500
 501                 /* Inherit queues settings from first slave */
 502                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
 503                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 504
 505                 eth_bond_slave_inherit_dev_info_rx_first(internals, &dev_info);
 506                 eth_bond_slave_inherit_dev_info_tx_first(internals, &dev_info);
 507
 508                 eth_bond_slave_inherit_desc_lim_first(&internals->rx_desc_lim,
 509                                                       &dev_info.rx_desc_lim);
 510                 eth_bond_slave_inherit_desc_lim_first(&internals->tx_desc_lim,
 511                                                       &dev_info.tx_desc_lim);
 512         } else {
 513                 int ret;
 514
 515                 eth_bond_slave_inherit_dev_info_rx_next(internals, &dev_info);
 516                 eth_bond_slave_inherit_dev_info_tx_next(internals, &dev_info);
 517
 518                 ret = eth_bond_slave_inherit_desc_lim_next(
 519                                 &internals->rx_desc_lim, &dev_info.rx_desc_lim);
 520                 if (ret != 0)
 521                         return ret;
 522
 523                 ret = eth_bond_slave_inherit_desc_lim_next(
 524                                 &internals->tx_desc_lim, &dev_info.tx_desc_lim);
 525                 if (ret != 0)
 526                         return ret;
 527         }
 528
 529         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
 530                         internals->flow_type_rss_offloads;
 531
 532         if (slave_rte_flow_prepare(internals->slave_count, internals) != 0) {
 533                 RTE_BOND_LOG(ERR, "Failed to prepare new slave flows: port=%d",
 534                              slave_port_id);
 535                 return -1;
 536         }
 537
 538         /* Add additional MAC addresses to the slave */
 539         if (slave_add_mac_addresses(bonded_eth_dev, slave_port_id) != 0) {
 540                 RTE_BOND_LOG(ERR, "Failed to add mac address(es) to slave %hu",
 541                                 slave_port_id);
 542                 return -1;
 543         }
 544
 545         internals->slave_count++;
 546
 547         if (bonded_eth_dev->data->dev_started) {
 548                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 549                         internals->slave_count--;
 550                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 551                                         slave_port_id);
 552                         return -1;
 553                 }
 554         }
 555
 556         /* Add slave details to bonded device */
 557         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
 558
 559         /* Update all slave devices MACs */
 560         mac_address_slaves_update(bonded_eth_dev);
 561
 562         /* Register link status change callback with bonded device pointer as
 563          * argument*/
 564         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 565                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 566
 567         /* If bonded device is started then we can add the slave to our active
 568          * slave array */
 569         if (bonded_eth_dev->data->dev_started) {
 570                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 571
 572                  if (link_props.link_status == ETH_LINK_UP) {
 573                         if (internals->active_slave_count == 0 &&
 574                             !internals->user_defined_primary_port)
 575                                 bond_ethdev_primary_set(internals,
 576                                                         slave_port_id);
 577                 }
 578         }
 579
 580         slave_vlan_filter_set(bonded_port_id, slave_port_id);
 581
 582         return 0;
 583
 584 }
 585
 586 int
 587 rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id)
 588 {
 589         struct rte_eth_dev *bonded_eth_dev;
 590         struct bond_dev_private *internals;
 591
 592         int retval;
 593
 594         /* Verify that port id's are valid bonded and slave ports */
 595         if (valid_bonded_port_id(bonded_port_id) != 0)
 596                 return -1;
 597
 598         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 599         internals = bonded_eth_dev->data->dev_private;
 600
 601         rte_spinlock_lock(&internals->lock);
 602
 603         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 604
 605         rte_spinlock_unlock(&internals->lock);
 606
 607         return retval;
 608 }
 609
 610 static int
 611 __eth_bond_slave_remove_lock_free(uint16_t bonded_port_id,
 612                                    uint16_t slave_port_id)
 613 {
 614         struct rte_eth_dev *bonded_eth_dev;
 615         struct bond_dev_private *internals;
 616         struct rte_eth_dev *slave_eth_dev;
 617         struct rte_flow_error flow_error;
 618         struct rte_flow *flow;
 619         int i, slave_idx;
 620
 621         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 622         internals = bonded_eth_dev->data->dev_private;
 623
 624         if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
 625                 return -1;
 626
 627         /* first remove from active slave list */
 628         slave_idx = find_slave_by_id(internals->active_slaves,
 629                 internals->active_slave_count, slave_port_id);
 630
 631         if (slave_idx < internals->active_slave_count)
 632                 deactivate_slave(bonded_eth_dev, slave_port_id);
 633
 634         slave_idx = -1;
 635         /* now find in slave list */
 636         for (i = 0; i < internals->slave_count; i++)
 637                 if (internals->slaves[i].port_id == slave_port_id) {
 638                         slave_idx = i;
 639                         break;
 640                 }
 641
 642         if (slave_idx < 0) {
 643                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 644                                 internals->slave_count);
 645                 return -1;
 646         }
 647
 648         /* Un-register link status change callback with bonded device pointer as
 649          * argument*/
 650         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 651                         bond_ethdev_lsc_event_callback,
 652                         &rte_eth_devices[bonded_port_id].data->port_id);
 653
 654         /* Restore original MAC address of slave device */
 655         rte_eth_dev_default_mac_addr_set(slave_port_id,
 656                         &(internals->slaves[slave_idx].persisted_mac_addr));
 657
 658         /* remove additional MAC addresses from the slave */
 659         slave_remove_mac_addresses(bonded_eth_dev, slave_port_id);
 660
 661         /*
 662          * Remove bond device flows from slave device.
 663          * Note: don't restore flow isolate mode.
 664          */
 665         TAILQ_FOREACH(flow, &internals->flow_list, next) {
 666                 if (flow->flows[slave_idx] != NULL) {
 667                         rte_flow_destroy(slave_port_id, flow->flows[slave_idx],
 668                                          &flow_error);
 669                         flow->flows[slave_idx] = NULL;
 670                 }
 671         }
 672
 673         slave_eth_dev = &rte_eth_devices[slave_port_id];
 674         slave_remove(internals, slave_eth_dev);
 675         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
 676
 677         /*  first slave in the active list will be the primary by default,
 678          *  otherwise use first device in list */
 679         if (internals->current_primary_port == slave_port_id) {
 680                 if (internals->active_slave_count > 0)
 681                         internals->current_primary_port = internals->active_slaves[0];
 682                 else if (internals->slave_count > 0)
 683                         internals->current_primary_port = internals->slaves[0].port_id;
 684                 else
 685                         internals->primary_port = 0;
 686         }
 687
 688         if (internals->active_slave_count < 1) {
 689                 /* if no slaves are any longer attached to bonded device and MAC is not
 690                  * user defined then clear MAC of bonded device as it will be reset
 691                  * when a new slave is added */
 692                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 693                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 694                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 695         }
 696         if (internals->slave_count == 0) {
 697                 internals->rx_offload_capa = 0;
 698                 internals->tx_offload_capa = 0;
 699                 internals->rx_queue_offload_capa = 0;
 700                 internals->tx_queue_offload_capa = 0;
 701                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
 702                 internals->reta_size = 0;
 703                 internals->candidate_max_rx_pktlen = 0;
 704                 internals->max_rx_pktlen = 0;
 705         }
 706         return 0;
 707 }
 708
 709 int
 710 rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id)
 711 {
 712         struct rte_eth_dev *bonded_eth_dev;
 713         struct bond_dev_private *internals;
 714         int retval;
 715
 716         if (valid_bonded_port_id(bonded_port_id) != 0)
 717                 return -1;
 718
 719         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 720         internals = bonded_eth_dev->data->dev_private;
 721
 722         rte_spinlock_lock(&internals->lock);
 723
 724         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 725
 726         rte_spinlock_unlock(&internals->lock);
 727
 728         return retval;
 729 }
 730
 731 int
 732 rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode)
 733 {
 734         struct rte_eth_dev *bonded_eth_dev;
 735
 736         if (valid_bonded_port_id(bonded_port_id) != 0)
 737                 return -1;
 738
 739         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 740
 741         if (check_for_master_bonded_ethdev(bonded_eth_dev) != 0 &&
 742                         mode == BONDING_MODE_8023AD)
 743                 return -1;
 744
 745         return bond_ethdev_mode_set(bonded_eth_dev, mode);
 746 }
 747
 748 int
 749 rte_eth_bond_mode_get(uint16_t bonded_port_id)
 750 {
 751         struct bond_dev_private *internals;
 752
 753         if (valid_bonded_port_id(bonded_port_id) != 0)
 754                 return -1;
 755
 756         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 757
 758         return internals->mode;
 759 }
 760
 761 int
 762 rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id)
 763 {
 764         struct bond_dev_private *internals;
 765
 766         if (valid_bonded_port_id(bonded_port_id) != 0)
 767                 return -1;
 768
 769         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 770
 771         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
 772                 return -1;
 773
 774         internals->user_defined_primary_port = 1;
 775         internals->primary_port = slave_port_id;
 776
 777         bond_ethdev_primary_set(internals, slave_port_id);
 778
 779         return 0;
 780 }
 781
 782 int
 783 rte_eth_bond_primary_get(uint16_t bonded_port_id)
 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         if (internals->slave_count < 1)
 793                 return -1;
 794
 795         return internals->current_primary_port;
 796 }
 797
 798 int
 799 rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 800                         uint16_t len)
 801 {
 802         struct bond_dev_private *internals;
 803         uint8_t i;
 804
 805         if (valid_bonded_port_id(bonded_port_id) != 0)
 806                 return -1;
 807
 808         if (slaves == NULL)
 809                 return -1;
 810
 811         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 812
 813         if (internals->slave_count > len)
 814                 return -1;
 815
 816         for (i = 0; i < internals->slave_count; i++)
 817                 slaves[i] = internals->slaves[i].port_id;
 818
 819         return internals->slave_count;
 820 }
 821
 822 int
 823 rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
 824                 uint16_t len)
 825 {
 826         struct bond_dev_private *internals;
 827
 828         if (valid_bonded_port_id(bonded_port_id) != 0)
 829                 return -1;
 830
 831         if (slaves == NULL)
 832                 return -1;
 833
 834         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 835
 836         if (internals->active_slave_count > len)
 837                 return -1;
 838
 839         memcpy(slaves, internals->active_slaves,
 840         internals->active_slave_count * sizeof(internals->active_slaves[0]));
 841
 842         return internals->active_slave_count;
 843 }
 844
 845 int
 846 rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
 847                 struct ether_addr *mac_addr)
 848 {
 849         struct rte_eth_dev *bonded_eth_dev;
 850         struct bond_dev_private *internals;
 851
 852         if (valid_bonded_port_id(bonded_port_id) != 0)
 853                 return -1;
 854
 855         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 856         internals = bonded_eth_dev->data->dev_private;
 857
 858         /* Set MAC Address of Bonded Device */
 859         if (mac_address_set(bonded_eth_dev, mac_addr))
 860                 return -1;
 861
 862         internals->user_defined_mac = 1;
 863
 864         /* Update all slave devices MACs*/
 865         if (internals->slave_count > 0)
 866                 return mac_address_slaves_update(bonded_eth_dev);
 867
 868         return 0;
 869 }
 870
 871 int
 872 rte_eth_bond_mac_address_reset(uint16_t bonded_port_id)
 873 {
 874         struct rte_eth_dev *bonded_eth_dev;
 875         struct bond_dev_private *internals;
 876
 877         if (valid_bonded_port_id(bonded_port_id) != 0)
 878                 return -1;
 879
 880         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 881         internals = bonded_eth_dev->data->dev_private;
 882
 883         internals->user_defined_mac = 0;
 884
 885         if (internals->slave_count > 0) {
 886                 int slave_port;
 887                 /* Get the primary slave location based on the primary port
 888                  * number as, while slave_add(), we will keep the primary
 889                  * slave based on slave_count,but not based on the primary port.
 890                  */
 891                 for (slave_port = 0; slave_port < internals->slave_count;
 892                      slave_port++) {
 893                         if (internals->slaves[slave_port].port_id ==
 894                             internals->primary_port)
 895                                 break;
 896                 }
 897
 898                 /* Set MAC Address of Bonded Device */
 899                 if (mac_address_set(bonded_eth_dev,
 900                         &internals->slaves[slave_port].persisted_mac_addr)
 901                                 != 0) {
 902                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 903                         return -1;
 904                 }
 905                 /* Update all slave devices MAC addresses */
 906                 return mac_address_slaves_update(bonded_eth_dev);
 907         }
 908         /* No need to update anything as no slaves present */
 909         return 0;
 910 }
 911
 912 int
 913 rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy)
 914 {
 915         struct bond_dev_private *internals;
 916
 917         if (valid_bonded_port_id(bonded_port_id) != 0)
 918                 return -1;
 919
 920         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 921
 922         switch (policy) {
 923         case BALANCE_XMIT_POLICY_LAYER2:
 924                 internals->balance_xmit_policy = policy;
 925                 internals->burst_xmit_hash = burst_xmit_l2_hash;
 926                 break;
 927         case BALANCE_XMIT_POLICY_LAYER23:
 928                 internals->balance_xmit_policy = policy;
 929                 internals->burst_xmit_hash = burst_xmit_l23_hash;
 930                 break;
 931         case BALANCE_XMIT_POLICY_LAYER34:
 932                 internals->balance_xmit_policy = policy;
 933                 internals->burst_xmit_hash = burst_xmit_l34_hash;
 934                 break;
 935
 936         default:
 937                 return -1;
 938         }
 939         return 0;
 940 }
 941
 942 int
 943 rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id)
 944 {
 945         struct bond_dev_private *internals;
 946
 947         if (valid_bonded_port_id(bonded_port_id) != 0)
 948                 return -1;
 949
 950         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 951
 952         return internals->balance_xmit_policy;
 953 }
 954
 955 int
 956 rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms)
 957 {
 958         struct bond_dev_private *internals;
 959
 960         if (valid_bonded_port_id(bonded_port_id) != 0)
 961                 return -1;
 962
 963         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 964         internals->link_status_polling_interval_ms = internal_ms;
 965
 966         return 0;
 967 }
 968
 969 int
 970 rte_eth_bond_link_monitoring_get(uint16_t bonded_port_id)
 971 {
 972         struct bond_dev_private *internals;
 973
 974         if (valid_bonded_port_id(bonded_port_id) != 0)
 975                 return -1;
 976
 977         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 978
 979         return internals->link_status_polling_interval_ms;
 980 }
 981
 982 int
 983 rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
 984                                        uint32_t delay_ms)
 985
 986 {
 987         struct bond_dev_private *internals;
 988
 989         if (valid_bonded_port_id(bonded_port_id) != 0)
 990                 return -1;
 991
 992         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 993         internals->link_down_delay_ms = delay_ms;
 994
 995         return 0;
 996 }
 997
 998 int
 999 rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id)
1000 {
1001         struct bond_dev_private *internals;
1002
1003         if (valid_bonded_port_id(bonded_port_id) != 0)
1004                 return -1;
1005
1006         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1007
1008         return internals->link_down_delay_ms;
1009 }
1010
1011 int
1012 rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id, uint32_t delay_ms)
1013
1014 {
1015         struct bond_dev_private *internals;
1016
1017         if (valid_bonded_port_id(bonded_port_id) != 0)
1018                 return -1;
1019
1020         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1021         internals->link_up_delay_ms = delay_ms;
1022
1023         return 0;
1024 }
1025
1026 int
1027 rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id)
1028 {
1029         struct bond_dev_private *internals;
1030
1031         if (valid_bonded_port_id(bonded_port_id) != 0)
1032                 return -1;
1033
1034         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1035
1036         return internals->link_up_delay_ms;
1037 }